* [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
@ 2014-01-30 21:18 Sean Paul
2014-01-30 21:19 ` [PATCH v4 01/34] drm/exynos: Rename hdmi_infoframe to avoid collision Sean Paul
` (36 more replies)
0 siblings, 37 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:18 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patchset refactors parts of the exynos driver to move it closer to a proper
drm driver (rather than just implementing a drm layer on top of the hardware
drivers). The hope is to get to a point where the dp/hdmi drivers can implement
drm_connector/drm_encoder directly, and fimd/mixer can directly implement
drm_crtc.
The notable changes in this set:
- drm_encoder funcs no longer route through the crtc
- DP driver has been moved from video into the drm driver
- fimd no longer implements encoder callbacks
- exynos_drm_hdmi is removed in favor of generic manager/display
handling
At a glance, differences between v1 and v2:
- Passing manager/display in callbacks instead of ctx
- Tacked on some dpms patches on the end to handle suspend/resume
through the dpms path
At a glance, differences between v2 and v3:
- Fixed vidi issues
- Moved exynos_drm_hdmi.c removal to the right place
- Added the exynos_drm_connector removal patches on the end
At a glance, differences between v3 and v4:
- Rebased on top of exynos-drm-next
- Addressed review comments, no major functional changes
Sean
Daniel Kurtz (1):
drm/exynos: hdmi: remove the i2c drivers and use devtree
Sean Paul (32):
drm/exynos: Rename hdmi_infoframe to avoid collision
drm/exynos: Merge overlay_ops into manager_ops
drm/exynos: Add an initialize function to manager and display
drm/exynos: Use manager_op initialize in fimd
drm/exynos: hdmi: Implement initialize op for hdmi
drm/exynos: Pass exynos_drm_manager in manager ops instead of dev
drm/exynos: Remove apply manager callback
drm/exynos: Remove dpms link between encoder/connector
drm/exynos: Rename display_op power_on to dpms
drm/exynos: Don't keep dpms state in encoder
drm/exynos: Use unsigned long for possible_crtcs
drm/exynos: Split manager/display/subdrv
ARM: dts: exynos: Add i2c phandles to hdmi node
drm/exynos: Remove exynos_drm_hdmi shim
drm/exynos: Use drm_mode_copy to copy modes
drm/exynos: Disable unused crtc planes from crtc
drm/exynos: Add mode_set manager operation
drm/exynos: Implement mode_fixup manager operation
drm/exynos: Use mode_set to configure fimd
drm/exynos: Remove unused/useless fimd_context members
drm/exynos: Move dp driver from video/ to drm/
drm/exynos: Move display implementation into dp
ARM: dts: Move display-timings node from fimd to dp
drm/exynos: Implement dpms display callback in DP
drm/exynos: Clean up FIMD power on/off routines
drm/exynos: Consolidate suspend/resume in drm_drv
drm/exynos: Add create_connector callback
drm/exynos: Implement drm_connector in hdmi directly
drm/exynos: Implement drm_connector directly in dp driver
drm/exynos: Implement drm_connector directly in vidi driver
drm/exynos: Move lvds bridge discovery into DP driver
drm/exynos: Remove the exynos_drm_connector shim
Stéphane Marchesin (1):
drm/exynos: Remove useless slab.h include
.../devicetree/bindings/video/exynos_dp.txt | 17 +
.../devicetree/bindings/video/exynos_hdmi.txt | 5 +
.../devicetree/bindings/video/samsung-fimd.txt | 2 +
MAINTAINERS | 7 -
arch/arm/boot/dts/cros5250-common.dtsi | 6 +-
arch/arm/boot/dts/exynos5250-arndale.dts | 7 +-
arch/arm/boot/dts/exynos5250-smdk5250.dts | 13 +-
arch/arm/boot/dts/exynos5250-snow.dts | 7 +-
arch/arm/boot/dts/exynos5420-smdk5420.dts | 7 +-
drivers/gpu/drm/exynos/Kconfig | 7 +
drivers/gpu/drm/exynos/Makefile | 7 +-
drivers/gpu/drm/exynos/exynos_ddc.c | 63 -
drivers/gpu/drm/exynos/exynos_dp_core.c | 1357 ++++++++++++++++++++
drivers/gpu/drm/exynos/exynos_dp_core.h | 329 +++++
drivers/gpu/drm/exynos/exynos_dp_reg.c | 1243 ++++++++++++++++++
drivers/gpu/drm/exynos/exynos_dp_reg.h | 366 ++++++
drivers/gpu/drm/exynos/exynos_drm_connector.c | 304 -----
drivers/gpu/drm/exynos/exynos_drm_connector.h | 24 -
drivers/gpu/drm/exynos/exynos_drm_core.c | 233 ++--
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 139 +-
drivers/gpu/drm/exynos/exynos_drm_crtc.h | 20 +-
drivers/gpu/drm/exynos/exynos_drm_drv.c | 155 ++-
drivers/gpu/drm/exynos/exynos_drm_drv.h | 154 ++-
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 357 +----
drivers/gpu/drm/exynos/exynos_drm_encoder.h | 18 +-
drivers/gpu/drm/exynos/exynos_drm_fb.c | 4 +-
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 682 ++++------
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 439 -------
drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 67 -
drivers/gpu/drm/exynos/exynos_drm_plane.c | 17 +-
drivers/gpu/drm/exynos/exynos_drm_plane.h | 2 +-
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 413 +++---
drivers/gpu/drm/exynos/exynos_hdmi.c | 370 +++---
drivers/gpu/drm/exynos/exynos_hdmi.h | 23 -
drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65 -
drivers/gpu/drm/exynos/exynos_mixer.c | 573 ++++-----
drivers/gpu/drm/exynos/exynos_mixer.h | 20 +
drivers/video/exynos/Kconfig | 7 -
drivers/video/exynos/Makefile | 1 -
drivers/video/exynos/exynos_dp_core.c | 1156 -----------------
drivers/video/exynos/exynos_dp_core.h | 320 -----
drivers/video/exynos/exynos_dp_reg.c | 1243 ------------------
drivers/video/exynos/exynos_dp_reg.h | 366 ------
43 files changed, 4864 insertions(+), 5751 deletions(-)
delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.c
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.h
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.c
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.h
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_connector.c
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_connector.h
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_hdmi.c
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_hdmi.h
delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
create mode 100644 drivers/gpu/drm/exynos/exynos_mixer.h
delete mode 100644 drivers/video/exynos/exynos_dp_core.c
delete mode 100644 drivers/video/exynos/exynos_dp_core.h
delete mode 100644 drivers/video/exynos/exynos_dp_reg.c
delete mode 100644 drivers/video/exynos/exynos_dp_reg.h
--
1.8.5.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* [PATCH v4 01/34] drm/exynos: Rename hdmi_infoframe to avoid collision
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 02/34] drm/exynos: Remove useless slab.h include Sean Paul
` (35 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
Rename hdmi_infoframe to exynos_hdmi_infoframe to avoid nameing
collision.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v4:
- Added
drivers/gpu/drm/exynos/exynos_hdmi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index a0e10ae..e1c1bfc 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -379,7 +379,7 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = {
},
};
-struct hdmi_infoframe {
+struct exynos_hdmi_infoframe {
enum HDMI_PACKET_TYPE type;
u8 ver;
u8 len;
@@ -682,7 +682,7 @@ static u8 hdmi_chksum(struct hdmi_context *hdata,
}
static void hdmi_reg_infoframe(struct hdmi_context *hdata,
- struct hdmi_infoframe *infoframe)
+ struct exynos_hdmi_infoframe *infoframe)
{
u32 hdr_sum;
u8 chksum;
@@ -985,7 +985,7 @@ static void hdmi_conf_reset(struct hdmi_context *hdata)
static void hdmi_conf_init(struct hdmi_context *hdata)
{
- struct hdmi_infoframe infoframe;
+ struct exynos_hdmi_infoframe infoframe;
/* disable HPD interrupts from HDMI IP block, use GPIO instead */
hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 02/34] drm/exynos: Remove useless slab.h include
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 01/34] drm/exynos: Rename hdmi_infoframe to avoid collision Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 03/34] drm/exynos: Merge overlay_ops into manager_ops Sean Paul
` (34 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
From: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/video/exynos/exynos_dp_core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index 5e1a715..b3af496 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/slab.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
--
1.8.5.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 03/34] drm/exynos: Merge overlay_ops into manager_ops
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 01/34] drm/exynos: Rename hdmi_infoframe to avoid collision Sean Paul
2014-01-30 21:19 ` [PATCH v4 02/34] drm/exynos: Remove useless slab.h include Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 04/34] drm/exynos: Add an initialize function to manager and display Sean Paul
` (33 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch merges overlay_ops into manager_ops. In all cases,
overlay_ops is implemented in the same place as manager ops, it doesn't
serve a functional purpose, and doesn't make things more clear.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Just moved fimd manager struct instead of manager functions (reduced diff)
drivers/gpu/drm/exynos/exynos_drm_drv.h | 29 ++++++++---------------
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 26 ++++++++++-----------
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 29 ++++++++++-------------
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 36 +++++++++++++----------------
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 29 ++++++++++-------------
drivers/gpu/drm/exynos/exynos_mixer.c | 2 --
6 files changed, 62 insertions(+), 89 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 0eaf5a2..4288d0a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -54,22 +54,6 @@ enum exynos_drm_output_type {
};
/*
- * Exynos drm overlay ops structure.
- *
- * @mode_set: copy drm overlay info to hw specific overlay info.
- * @commit: apply hardware specific overlay data to registers.
- * @enable: enable hardware specific overlay.
- * @disable: disable hardware specific overlay.
- */
-struct exynos_drm_overlay_ops {
- void (*mode_set)(struct device *subdrv_dev,
- struct exynos_drm_overlay *overlay);
- void (*commit)(struct device *subdrv_dev, int zpos);
- void (*enable)(struct device *subdrv_dev, int zpos);
- void (*disable)(struct device *subdrv_dev, int zpos);
-};
-
-/*
* Exynos drm common overlay structure.
*
* @fb_x: offset x on a framebuffer to be displayed.
@@ -169,6 +153,10 @@ struct exynos_drm_display_ops {
* @disable_vblank: specific driver callback for disabling vblank interrupt.
* @wait_for_vblank: wait for vblank interrupt to make sure that
* hardware overlay is updated.
+ * @win_mode_set: copy drm overlay info to hw specific overlay info.
+ * @win_commit: apply hardware specific overlay data to registers.
+ * @win_enable: enable hardware specific overlay.
+ * @win_disable: disable hardware specific overlay.
*/
struct exynos_drm_manager_ops {
void (*dpms)(struct device *subdrv_dev, int mode);
@@ -184,6 +172,11 @@ struct exynos_drm_manager_ops {
int (*enable_vblank)(struct device *subdrv_dev);
void (*disable_vblank)(struct device *subdrv_dev);
void (*wait_for_vblank)(struct device *subdrv_dev);
+ void (*win_mode_set)(struct device *subdrv_dev,
+ struct exynos_drm_overlay *overlay);
+ void (*win_commit)(struct device *subdrv_dev, int zpos);
+ void (*win_enable)(struct device *subdrv_dev, int zpos);
+ void (*win_disable)(struct device *subdrv_dev, int zpos);
};
/*
@@ -195,9 +188,6 @@ struct exynos_drm_manager_ops {
* @ops: pointer to callbacks for exynos drm specific framebuffer.
* these callbacks should be set by specific drivers such fimd
* or hdmi driver and are used to control hardware global registers.
- * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control hardware overlay reigsters.
* @display: pointer to callbacks for exynos drm specific framebuffer.
* these callbacks should be set by specific drivers such fimd
* or hdmi driver and are used to control display devices such as
@@ -207,7 +197,6 @@ struct exynos_drm_manager {
struct device *dev;
int pipe;
struct exynos_drm_manager_ops *ops;
- struct exynos_drm_overlay_ops *overlay_ops;
struct exynos_drm_display_ops *display_ops;
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 06f1b2a..c255341 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -133,7 +133,7 @@ static void disable_plane_to_crtc(struct drm_device *dev,
*
* plane->funcs->disable_plane call checks
* if encoder->crtc is same as plane->crtc and if same
- * then overlay_ops->disable callback will be called
+ * then manager_ops->win_disable callback will be called
* to diasble current hw overlay so plane->crtc should
* have new_crtc because new_crtc was set to
* encoder->crtc in advance.
@@ -442,51 +442,51 @@ void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data)
{
struct exynos_drm_manager *manager =
to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+ struct exynos_drm_manager_ops *manager_ops = manager->ops;
struct exynos_drm_overlay *overlay = data;
- if (overlay_ops && overlay_ops->mode_set)
- overlay_ops->mode_set(manager->dev, overlay);
+ if (manager_ops && manager_ops->win_mode_set)
+ manager_ops->win_mode_set(manager->dev, overlay);
}
void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
{
struct exynos_drm_manager *manager =
to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+ struct exynos_drm_manager_ops *manager_ops = manager->ops;
int zpos = DEFAULT_ZPOS;
if (data)
zpos = *(int *)data;
- if (overlay_ops && overlay_ops->commit)
- overlay_ops->commit(manager->dev, zpos);
+ if (manager_ops && manager_ops->win_commit)
+ manager_ops->win_commit(manager->dev, zpos);
}
void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
{
struct exynos_drm_manager *manager =
to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+ struct exynos_drm_manager_ops *manager_ops = manager->ops;
int zpos = DEFAULT_ZPOS;
if (data)
zpos = *(int *)data;
- if (overlay_ops && overlay_ops->enable)
- overlay_ops->enable(manager->dev, zpos);
+ if (manager_ops && manager_ops->win_enable)
+ manager_ops->win_enable(manager->dev, zpos);
}
void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
{
struct exynos_drm_manager *manager =
to_exynos_encoder(encoder)->manager;
- struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+ struct exynos_drm_manager_ops *manager_ops = manager->ops;
int zpos = DEFAULT_ZPOS;
if (data)
zpos = *(int *)data;
- if (overlay_ops && overlay_ops->disable)
- overlay_ops->disable(manager->dev, zpos);
+ if (manager_ops && manager_ops->win_disable)
+ manager_ops->win_disable(manager->dev, zpos);
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a20440c..bc4001e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -219,14 +219,13 @@ static void fimd_apply(struct device *subdrv_dev)
struct fimd_context *ctx = get_fimd_context(subdrv_dev);
struct exynos_drm_manager *mgr = ctx->subdrv.manager;
struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
struct fimd_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
- if (win_data->enabled && (ovl_ops && ovl_ops->commit))
- ovl_ops->commit(subdrv_dev, i);
+ if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
+ mgr_ops->win_commit(subdrv_dev, i);
}
if (mgr_ops && mgr_ops->commit)
@@ -351,15 +350,6 @@ static void fimd_wait_for_vblank(struct device *dev)
DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static struct exynos_drm_manager_ops fimd_manager_ops = {
- .dpms = fimd_dpms,
- .apply = fimd_apply,
- .commit = fimd_commit,
- .enable_vblank = fimd_enable_vblank,
- .disable_vblank = fimd_disable_vblank,
- .wait_for_vblank = fimd_wait_for_vblank,
-};
-
static void fimd_win_mode_set(struct device *dev,
struct exynos_drm_overlay *overlay)
{
@@ -669,16 +659,21 @@ static void fimd_win_disable(struct device *dev, int zpos)
win_data->enabled = false;
}
-static struct exynos_drm_overlay_ops fimd_overlay_ops = {
- .mode_set = fimd_win_mode_set,
- .commit = fimd_win_commit,
- .disable = fimd_win_disable,
+static struct exynos_drm_manager_ops fimd_manager_ops = {
+ .dpms = fimd_dpms,
+ .apply = fimd_apply,
+ .commit = fimd_commit,
+ .enable_vblank = fimd_enable_vblank,
+ .disable_vblank = fimd_disable_vblank,
+ .wait_for_vblank = fimd_wait_for_vblank,
+ .win_mode_set = fimd_win_mode_set,
+ .win_commit = fimd_win_commit,
+ .win_disable = fimd_win_disable,
};
static struct exynos_drm_manager fimd_manager = {
.pipe = -1,
.ops = &fimd_manager_ops,
- .overlay_ops = &fimd_overlay_ops,
.display_ops = &fimd_display_ops,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 8548b97..a1ef3c9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -284,19 +284,7 @@ static void drm_hdmi_apply(struct device *subdrv_dev)
hdmi_ops->commit(ctx->hdmi_ctx->ctx);
}
-static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
- .dpms = drm_hdmi_dpms,
- .apply = drm_hdmi_apply,
- .enable_vblank = drm_hdmi_enable_vblank,
- .disable_vblank = drm_hdmi_disable_vblank,
- .wait_for_vblank = drm_hdmi_wait_for_vblank,
- .mode_fixup = drm_hdmi_mode_fixup,
- .mode_set = drm_hdmi_mode_set,
- .get_max_resol = drm_hdmi_get_max_resol,
- .commit = drm_hdmi_commit,
-};
-
-static void drm_mixer_mode_set(struct device *subdrv_dev,
+static void drm_mixer_win_mode_set(struct device *subdrv_dev,
struct exynos_drm_overlay *overlay)
{
struct drm_hdmi_context *ctx = to_context(subdrv_dev);
@@ -305,7 +293,7 @@ static void drm_mixer_mode_set(struct device *subdrv_dev,
mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
}
-static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_commit(struct device *subdrv_dev, int zpos)
{
struct drm_hdmi_context *ctx = to_context(subdrv_dev);
int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
@@ -321,7 +309,7 @@ static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
ctx->enabled[win] = true;
}
-static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_disable(struct device *subdrv_dev, int zpos)
{
struct drm_hdmi_context *ctx = to_context(subdrv_dev);
int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
@@ -337,16 +325,24 @@ static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
ctx->enabled[win] = false;
}
-static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = {
- .mode_set = drm_mixer_mode_set,
- .commit = drm_mixer_commit,
- .disable = drm_mixer_disable,
+static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
+ .dpms = drm_hdmi_dpms,
+ .apply = drm_hdmi_apply,
+ .enable_vblank = drm_hdmi_enable_vblank,
+ .disable_vblank = drm_hdmi_disable_vblank,
+ .wait_for_vblank = drm_hdmi_wait_for_vblank,
+ .mode_fixup = drm_hdmi_mode_fixup,
+ .mode_set = drm_hdmi_mode_set,
+ .get_max_resol = drm_hdmi_get_max_resol,
+ .commit = drm_hdmi_commit,
+ .win_mode_set = drm_mixer_win_mode_set,
+ .win_commit = drm_mixer_win_commit,
+ .win_disable = drm_mixer_win_disable,
};
static struct exynos_drm_manager hdmi_manager = {
.pipe = -1,
.ops = &drm_hdmi_manager_ops,
- .overlay_ops = &drm_hdmi_overlay_ops,
.display_ops = &drm_hdmi_display_ops,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index ddaaedd..fca7ad5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -180,14 +180,13 @@ static void vidi_apply(struct device *subdrv_dev)
struct vidi_context *ctx = get_vidi_context(subdrv_dev);
struct exynos_drm_manager *mgr = ctx->subdrv.manager;
struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
struct vidi_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
- if (win_data->enabled && (ovl_ops && ovl_ops->commit))
- ovl_ops->commit(subdrv_dev, i);
+ if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
+ mgr_ops->win_commit(subdrv_dev, i);
}
if (mgr_ops && mgr_ops->commit)
@@ -217,7 +216,7 @@ static int vidi_enable_vblank(struct device *dev)
/*
* in case of page flip request, vidi_finish_pageflip function
* will not be called because direct_vblank is true and then
- * that function will be called by overlay_ops->commit callback
+ * that function will be called by manager_ops->win_commit callback
*/
schedule_work(&ctx->work);
@@ -235,14 +234,6 @@ static void vidi_disable_vblank(struct device *dev)
ctx->vblank_on = false;
}
-static struct exynos_drm_manager_ops vidi_manager_ops = {
- .dpms = vidi_dpms,
- .apply = vidi_apply,
- .commit = vidi_commit,
- .enable_vblank = vidi_enable_vblank,
- .disable_vblank = vidi_disable_vblank,
-};
-
static void vidi_win_mode_set(struct device *dev,
struct exynos_drm_overlay *overlay)
{
@@ -339,16 +330,20 @@ static void vidi_win_disable(struct device *dev, int zpos)
/* TODO. */
}
-static struct exynos_drm_overlay_ops vidi_overlay_ops = {
- .mode_set = vidi_win_mode_set,
- .commit = vidi_win_commit,
- .disable = vidi_win_disable,
+static struct exynos_drm_manager_ops vidi_manager_ops = {
+ .dpms = vidi_dpms,
+ .apply = vidi_apply,
+ .commit = vidi_commit,
+ .enable_vblank = vidi_enable_vblank,
+ .disable_vblank = vidi_disable_vblank,
+ .win_mode_set = vidi_win_mode_set,
+ .win_commit = vidi_win_commit,
+ .win_disable = vidi_win_disable,
};
static struct exynos_drm_manager vidi_manager = {
.pipe = -1,
.ops = &vidi_manager_ops,
- .overlay_ops = &vidi_overlay_ops,
.display_ops = &vidi_display_ops,
};
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 2dfa48c..53fd076 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -975,8 +975,6 @@ static struct exynos_mixer_ops mixer_ops = {
.disable_vblank = mixer_disable_vblank,
.wait_for_vblank = mixer_wait_for_vblank,
.dpms = mixer_dpms,
-
- /* overlay */
.win_mode_set = mixer_win_mode_set,
.win_commit = mixer_win_commit,
.win_disable = mixer_win_disable,
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 04/34] drm/exynos: Add an initialize function to manager and display
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (2 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 03/34] drm/exynos: Merge overlay_ops into manager_ops Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 05/34] drm/exynos: Use manager_op initialize in fimd Sean Paul
` (32 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch adds an initialize function to the manager and display
operations. This allows them to keep track of drm_device in their
local context, as well as adds an initialization hook right after
the encoder is created.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_drv.h | 5 +++++
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 21 +++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 4288d0a..2811486 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -123,6 +123,7 @@ struct exynos_drm_overlay {
* - this structure is common to analog tv, digital tv and lcd panel.
*
* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @initialize: initializes the display with drm_dev
* @is_connected: check for that display is connected or not.
* @get_edid: get edid modes from display driver.
* @get_panel: get panel object from display driver.
@@ -131,6 +132,7 @@ struct exynos_drm_overlay {
*/
struct exynos_drm_display_ops {
enum exynos_drm_output_type type;
+ int (*initialize)(struct device *dev, struct drm_device *drm_dev);
bool (*is_connected)(struct device *dev);
struct edid *(*get_edid)(struct device *dev,
struct drm_connector *connector);
@@ -142,6 +144,7 @@ struct exynos_drm_display_ops {
/*
* Exynos drm manager ops
*
+ * @initialize: initializes the manager with drm_dev
* @dpms: control device power.
* @apply: set timing, vblank and overlay data to registers.
* @mode_fixup: fix mode data comparing to hw specific display mode.
@@ -159,6 +162,8 @@ struct exynos_drm_display_ops {
* @win_disable: disable hardware specific overlay.
*/
struct exynos_drm_manager_ops {
+ int (*initialize)(struct device *subdrv_dev,
+ struct drm_device *drm_dev);
void (*dpms)(struct device *subdrv_dev, int mode);
void (*apply)(struct device *subdrv_dev);
void (*mode_fixup)(struct device *subdrv_dev,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index c255341..a9eb2b0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -316,6 +316,7 @@ exynos_drm_encoder_create(struct drm_device *dev,
{
struct drm_encoder *encoder;
struct exynos_drm_encoder *exynos_encoder;
+ int ret;
if (!manager || !possible_crtcs)
return NULL;
@@ -339,9 +340,29 @@ exynos_drm_encoder_create(struct drm_device *dev,
drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
+ if (manager->ops && manager->ops->initialize) {
+ ret = manager->ops->initialize(manager->dev, dev);
+ if (ret) {
+ DRM_ERROR("Manager initialize failed %d\n", ret);
+ goto error;
+ }
+ }
+
+ if (manager->display_ops && manager->display_ops->initialize) {
+ ret = manager->display_ops->initialize(manager->dev, dev);
+ if (ret) {
+ DRM_ERROR("Display initialize failed %d\n", ret);
+ goto error;
+ }
+ }
+
DRM_DEBUG_KMS("encoder has been created\n");
return encoder;
+
+error:
+ exynos_drm_encoder_destroy(&exynos_encoder->drm_encoder);
+ return NULL;
}
struct exynos_drm_manager *exynos_drm_get_manager(struct drm_encoder *encoder)
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 05/34] drm/exynos: Use manager_op initialize in fimd
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (3 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 04/34] drm/exynos: Add an initialize function to manager and display Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 06/34] drm/exynos: hdmi: Implement initialize op for hdmi Sean Paul
` (31 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements the intitialize manager op in fimd. This will
allow us to keep track of drm_dev in context instead of using subdev,
which in turn makes it easier to remove subdev from fimd.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Expanded commit message to be more detailed
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index bc4001e..f06a0a9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -106,6 +106,7 @@ struct fimd_win_data {
struct fimd_context {
struct exynos_drm_subdrv subdrv;
+ struct drm_device *drm_dev;
int irq;
struct drm_crtc *crtc;
struct clk *bus_clk;
@@ -181,6 +182,16 @@ static struct exynos_drm_display_ops fimd_display_ops = {
.power_on = fimd_display_power_on,
};
+static int fimd_mgr_initialize(struct device *subdrv_dev,
+ struct drm_device *drm_dev)
+{
+ struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+
+ ctx->drm_dev = drm_dev;
+
+ return 0;
+}
+
static void fimd_dpms(struct device *subdrv_dev, int mode)
{
struct fimd_context *ctx = get_fimd_context(subdrv_dev);
@@ -660,6 +671,7 @@ static void fimd_win_disable(struct device *dev, int zpos)
}
static struct exynos_drm_manager_ops fimd_manager_ops = {
+ .initialize = fimd_mgr_initialize,
.dpms = fimd_dpms,
.apply = fimd_apply,
.commit = fimd_commit,
@@ -681,7 +693,6 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
{
struct fimd_context *ctx = (struct fimd_context *)dev_id;
struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct drm_device *drm_dev = subdrv->drm_dev;
struct exynos_drm_manager *manager = subdrv->manager;
u32 val;
@@ -692,11 +703,11 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
/* check the crtc is detached already from encoder */
- if (manager->pipe < 0)
+ if (manager->pipe < 0 || !ctx->drm_dev)
goto out;
- drm_handle_vblank(drm_dev, manager->pipe);
- exynos_drm_crtc_finish_pageflip(drm_dev, manager->pipe);
+ drm_handle_vblank(ctx->drm_dev, manager->pipe);
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, manager->pipe);
/* set wait vsync event to zero and wake up queue. */
if (atomic_read(&ctx->wait_vsync_event)) {
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 06/34] drm/exynos: hdmi: Implement initialize op for hdmi
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (4 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 05/34] drm/exynos: Use manager_op initialize in fimd Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 07/34] drm/exynos: Pass exynos_drm_manager in manager ops instead of dev Sean Paul
` (30 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements the initialize callback in the hdmi and mixer
manager. This allows us to get rid of drm_dev in the drm_hdmi level and
track it in the mixer and hdmi drivers. This is one of the things
holding back the complete removal of the drm_hdmi layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Moved hardware initialization after we have a valid drm_device
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 35 ++-
drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 3 +-
drivers/gpu/drm/exynos/exynos_hdmi.c | 18 +-
drivers/gpu/drm/exynos/exynos_mixer.c | 351 +++++++++++++++----------------
4 files changed, 219 insertions(+), 188 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index a1ef3c9..aebcc0e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -97,6 +97,18 @@ void exynos_mixer_ops_register(struct exynos_mixer_ops *ops)
mixer_ops = ops;
}
+static int drm_hdmi_display_initialize(struct device *dev,
+ struct drm_device *drm_dev)
+{
+ struct drm_hdmi_context *ctx = to_context(dev);
+
+ if (hdmi_ops && hdmi_ops->initialize)
+ return hdmi_ops->initialize(ctx->hdmi_ctx->ctx, drm_dev);
+
+ return 0;
+}
+
+
static bool drm_hdmi_is_connected(struct device *dev)
{
struct drm_hdmi_context *ctx = to_context(dev);
@@ -153,6 +165,7 @@ static int drm_hdmi_power_on(struct device *dev, int mode)
static struct exynos_drm_display_ops drm_hdmi_display_ops = {
.type = EXYNOS_DISPLAY_TYPE_HDMI,
+ .initialize = drm_hdmi_display_initialize,
.is_connected = drm_hdmi_is_connected,
.get_edid = drm_hdmi_get_edid,
.check_mode = drm_hdmi_check_mode,
@@ -257,6 +270,21 @@ static void drm_hdmi_commit(struct device *subdrv_dev)
hdmi_ops->commit(ctx->hdmi_ctx->ctx);
}
+static int drm_hdmi_mgr_initialize(struct device *subdrv_dev,
+ struct drm_device *drm_dev)
+{
+ struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ int ret = 0;
+
+ if (mixer_ops && mixer_ops->initialize)
+ ret = mixer_ops->initialize(ctx->mixer_ctx->ctx, drm_dev);
+
+ if (mixer_ops->iommu_on)
+ mixer_ops->iommu_on(ctx->mixer_ctx->ctx, true);
+
+ return ret;
+}
+
static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
{
struct drm_hdmi_context *ctx = to_context(subdrv_dev);
@@ -326,6 +354,7 @@ static void drm_mixer_win_disable(struct device *subdrv_dev, int zpos)
}
static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
+ .initialize = drm_hdmi_mgr_initialize,
.dpms = drm_hdmi_dpms,
.apply = drm_hdmi_apply,
.enable_vblank = drm_hdmi_enable_vblank,
@@ -372,12 +401,6 @@ static int hdmi_subdrv_probe(struct drm_device *drm_dev,
ctx->hdmi_ctx = hdmi_ctx;
ctx->mixer_ctx = mixer_ctx;
- ctx->hdmi_ctx->drm_dev = drm_dev;
- ctx->mixer_ctx->drm_dev = drm_dev;
-
- if (mixer_ops->iommu_on)
- mixer_ops->iommu_on(ctx->mixer_ctx->ctx, true);
-
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index 724cab1..cf7b1da 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -23,12 +23,12 @@
* this context should be hdmi_context or mixer_context.
*/
struct exynos_drm_hdmi_context {
- struct drm_device *drm_dev;
void *ctx;
};
struct exynos_hdmi_ops {
/* display */
+ int (*initialize)(void *ctx, struct drm_device *drm_dev);
bool (*is_connected)(void *ctx);
struct edid *(*get_edid)(void *ctx,
struct drm_connector *connector);
@@ -45,6 +45,7 @@ struct exynos_hdmi_ops {
struct exynos_mixer_ops {
/* manager */
+ int (*initialize)(void *ctx, struct drm_device *drm_dev);
int (*iommu_on)(void *ctx, bool enable);
int (*enable_vblank)(void *ctx, int pipe);
void (*disable_vblank)(void *ctx);
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index e1c1bfc..9837926 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -742,6 +742,15 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
}
}
+static int hdmi_initialize(void *ctx, struct drm_device *drm_dev)
+{
+ struct hdmi_context *hdata = ctx;
+
+ hdata->drm_dev = drm_dev;
+
+ return 0;
+}
+
static bool hdmi_is_connected(void *ctx)
{
struct hdmi_context *hdata = ctx;
@@ -1747,6 +1756,7 @@ static void hdmi_dpms(void *ctx, int mode)
static struct exynos_hdmi_ops hdmi_ops = {
/* display */
+ .initialize = hdmi_initialize,
.is_connected = hdmi_is_connected,
.get_edid = hdmi_get_edid,
.check_mode = hdmi_check_mode,
@@ -1767,8 +1777,8 @@ static irqreturn_t hdmi_irq_thread(int irq, void *arg)
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
mutex_unlock(&hdata->hdmi_mutex);
- if (ctx->drm_dev)
- drm_helper_hpd_irq_event(ctx->drm_dev);
+ if (hdata->drm_dev)
+ drm_helper_hpd_irq_event(hdata->drm_dev);
return IRQ_HANDLED;
}
@@ -2026,8 +2036,8 @@ static int hdmi_suspend(struct device *dev)
disable_irq(hdata->irq);
hdata->hpd = false;
- if (ctx->drm_dev)
- drm_helper_hpd_irq_event(ctx->drm_dev);
+ if (hdata->drm_dev)
+ drm_helper_hpd_irq_event(hdata->drm_dev);
if (pm_runtime_suspended(dev)) {
DRM_DEBUG_KMS("Already suspended\n");
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 53fd076..23b9407 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -82,6 +82,7 @@ enum mixer_version_id {
};
struct mixer_context {
+ struct platform_device *pdev;
struct device *dev;
struct drm_device *drm_dev;
int pipe;
@@ -685,20 +686,183 @@ static void mixer_win_reset(struct mixer_context *ctx)
spin_unlock_irqrestore(&res->reg_slock, flags);
}
+static irqreturn_t mixer_irq_handler(int irq, void *arg)
+{
+ struct mixer_context *ctx = arg;
+ struct mixer_resources *res = &ctx->mixer_res;
+ u32 val, base, shadow;
+
+ spin_lock(&res->reg_slock);
+
+ /* read interrupt status for handling and clearing flags for VSYNC */
+ val = mixer_reg_read(res, MXR_INT_STATUS);
+
+ /* handling VSYNC */
+ if (val & MXR_INT_STATUS_VSYNC) {
+ /* interlace scan need to check shadow register */
+ if (ctx->interlace) {
+ base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0));
+ shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0));
+ if (base != shadow)
+ goto out;
+
+ base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1));
+ shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1));
+ if (base != shadow)
+ goto out;
+ }
+
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
+
+ /* set wait vsync event to zero and wake up queue. */
+ if (atomic_read(&ctx->wait_vsync_event)) {
+ atomic_set(&ctx->wait_vsync_event, 0);
+ wake_up(&ctx->wait_vsync_queue);
+ }
+ }
+
+out:
+ /* clear interrupts */
+ if (~val & MXR_INT_EN_VSYNC) {
+ /* vsync interrupt use different bit for read and clear */
+ val &= ~MXR_INT_EN_VSYNC;
+ val |= MXR_INT_CLEAR_VSYNC;
+ }
+ mixer_reg_write(res, MXR_INT_STATUS, val);
+
+ spin_unlock(&res->reg_slock);
+
+ return IRQ_HANDLED;
+}
+
+static int mixer_resources_init(struct mixer_context *mixer_ctx)
+{
+ struct device *dev = &mixer_ctx->pdev->dev;
+ struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
+ struct resource *res;
+ int ret;
+
+ spin_lock_init(&mixer_res->reg_slock);
+
+ mixer_res->mixer = devm_clk_get(dev, "mixer");
+ if (IS_ERR(mixer_res->mixer)) {
+ dev_err(dev, "failed to get clock 'mixer'\n");
+ return -ENODEV;
+ }
+
+ mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
+ if (IS_ERR(mixer_res->sclk_hdmi)) {
+ dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
+ return -ENODEV;
+ }
+ res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 0);
+ if (res == NULL) {
+ dev_err(dev, "get memory resource failed.\n");
+ return -ENXIO;
+ }
+
+ mixer_res->mixer_regs = devm_ioremap(dev, res->start,
+ resource_size(res));
+ if (mixer_res->mixer_regs == NULL) {
+ dev_err(dev, "register mapping failed.\n");
+ return -ENXIO;
+ }
+
+ res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_IRQ, 0);
+ if (res == NULL) {
+ dev_err(dev, "get interrupt resource failed.\n");
+ return -ENXIO;
+ }
+
+ ret = devm_request_irq(dev, res->start, mixer_irq_handler,
+ 0, "drm_mixer", mixer_ctx);
+ if (ret) {
+ dev_err(dev, "request interrupt failed.\n");
+ return ret;
+ }
+ mixer_res->irq = res->start;
+
+ return 0;
+}
+
+static int vp_resources_init(struct mixer_context *mixer_ctx)
+{
+ struct device *dev = &mixer_ctx->pdev->dev;
+ struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
+ struct resource *res;
+
+ mixer_res->vp = devm_clk_get(dev, "vp");
+ if (IS_ERR(mixer_res->vp)) {
+ dev_err(dev, "failed to get clock 'vp'\n");
+ return -ENODEV;
+ }
+ mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer");
+ if (IS_ERR(mixer_res->sclk_mixer)) {
+ dev_err(dev, "failed to get clock 'sclk_mixer'\n");
+ return -ENODEV;
+ }
+ mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac");
+ if (IS_ERR(mixer_res->sclk_dac)) {
+ dev_err(dev, "failed to get clock 'sclk_dac'\n");
+ return -ENODEV;
+ }
+
+ if (mixer_res->sclk_hdmi)
+ clk_set_parent(mixer_res->sclk_mixer, mixer_res->sclk_hdmi);
+
+ res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 1);
+ if (res == NULL) {
+ dev_err(dev, "get memory resource failed.\n");
+ return -ENXIO;
+ }
+
+ mixer_res->vp_regs = devm_ioremap(dev, res->start,
+ resource_size(res));
+ if (mixer_res->vp_regs == NULL) {
+ dev_err(dev, "register mapping failed.\n");
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
+static int mixer_initialize(void *ctx, struct drm_device *drm_dev)
+{
+ int ret;
+ struct mixer_context *mixer_ctx = ctx;
+
+ mixer_ctx->drm_dev = drm_dev;
+
+ /* acquire resources: regs, irqs, clocks */
+ ret = mixer_resources_init(mixer_ctx);
+ if (ret) {
+ DRM_ERROR("mixer_resources_init failed ret=%d\n", ret);
+ return ret;
+ }
+
+ if (mixer_ctx->vp_enabled) {
+ /* acquire vp resources: regs, irqs, clocks */
+ ret = vp_resources_init(mixer_ctx);
+ if (ret) {
+ DRM_ERROR("vp_resources_init failed ret=%d\n", ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
static int mixer_iommu_on(void *ctx, bool enable)
{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx;
struct mixer_context *mdata = ctx;
- struct drm_device *drm_dev;
- drm_hdmi_ctx = mdata->parent_ctx;
- drm_dev = drm_hdmi_ctx->drm_dev;
-
- if (is_drm_iommu_supported(drm_dev)) {
+ if (is_drm_iommu_supported(mdata->drm_dev)) {
if (enable)
- return drm_iommu_attach_device(drm_dev, mdata->dev);
+ return drm_iommu_attach_device(mdata->drm_dev,
+ mdata->dev);
- drm_iommu_detach_device(drm_dev, mdata->dev);
+ drm_iommu_detach_device(mdata->drm_dev, mdata->dev);
}
return 0;
}
@@ -970,6 +1134,7 @@ static void mixer_dpms(void *ctx, int mode)
static struct exynos_mixer_ops mixer_ops = {
/* manager */
+ .initialize = mixer_initialize,
.iommu_on = mixer_iommu_on,
.enable_vblank = mixer_enable_vblank,
.disable_vblank = mixer_disable_vblank,
@@ -983,153 +1148,6 @@ static struct exynos_mixer_ops mixer_ops = {
.check_mode = mixer_check_mode,
};
-static irqreturn_t mixer_irq_handler(int irq, void *arg)
-{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg;
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
- struct mixer_resources *res = &ctx->mixer_res;
- u32 val, base, shadow;
-
- spin_lock(&res->reg_slock);
-
- /* read interrupt status for handling and clearing flags for VSYNC */
- val = mixer_reg_read(res, MXR_INT_STATUS);
-
- /* handling VSYNC */
- if (val & MXR_INT_STATUS_VSYNC) {
- /* interlace scan need to check shadow register */
- if (ctx->interlace) {
- base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0));
- shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0));
- if (base != shadow)
- goto out;
-
- base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1));
- shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1));
- if (base != shadow)
- goto out;
- }
-
- drm_handle_vblank(drm_hdmi_ctx->drm_dev, ctx->pipe);
- exynos_drm_crtc_finish_pageflip(drm_hdmi_ctx->drm_dev,
- ctx->pipe);
-
- /* set wait vsync event to zero and wake up queue. */
- if (atomic_read(&ctx->wait_vsync_event)) {
- atomic_set(&ctx->wait_vsync_event, 0);
- wake_up(&ctx->wait_vsync_queue);
- }
- }
-
-out:
- /* clear interrupts */
- if (~val & MXR_INT_EN_VSYNC) {
- /* vsync interrupt use different bit for read and clear */
- val &= ~MXR_INT_EN_VSYNC;
- val |= MXR_INT_CLEAR_VSYNC;
- }
- mixer_reg_write(res, MXR_INT_STATUS, val);
-
- spin_unlock(&res->reg_slock);
-
- return IRQ_HANDLED;
-}
-
-static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx,
- struct platform_device *pdev)
-{
- struct mixer_context *mixer_ctx = ctx->ctx;
- struct device *dev = &pdev->dev;
- struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
- struct resource *res;
- int ret;
-
- spin_lock_init(&mixer_res->reg_slock);
-
- mixer_res->mixer = devm_clk_get(dev, "mixer");
- if (IS_ERR(mixer_res->mixer)) {
- dev_err(dev, "failed to get clock 'mixer'\n");
- return -ENODEV;
- }
-
- mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
- if (IS_ERR(mixer_res->sclk_hdmi)) {
- dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
- return -ENODEV;
- }
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(dev, "get memory resource failed.\n");
- return -ENXIO;
- }
-
- mixer_res->mixer_regs = devm_ioremap(dev, res->start,
- resource_size(res));
- if (mixer_res->mixer_regs == NULL) {
- dev_err(dev, "register mapping failed.\n");
- return -ENXIO;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(dev, "get interrupt resource failed.\n");
- return -ENXIO;
- }
-
- ret = devm_request_irq(dev, res->start, mixer_irq_handler,
- 0, "drm_mixer", ctx);
- if (ret) {
- dev_err(dev, "request interrupt failed.\n");
- return ret;
- }
- mixer_res->irq = res->start;
-
- return 0;
-}
-
-static int vp_resources_init(struct exynos_drm_hdmi_context *ctx,
- struct platform_device *pdev)
-{
- struct mixer_context *mixer_ctx = ctx->ctx;
- struct device *dev = &pdev->dev;
- struct mixer_resources *mixer_res = &mixer_ctx->mixer_res;
- struct resource *res;
-
- mixer_res->vp = devm_clk_get(dev, "vp");
- if (IS_ERR(mixer_res->vp)) {
- dev_err(dev, "failed to get clock 'vp'\n");
- return -ENODEV;
- }
- mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer");
- if (IS_ERR(mixer_res->sclk_mixer)) {
- dev_err(dev, "failed to get clock 'sclk_mixer'\n");
- return -ENODEV;
- }
- mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac");
- if (IS_ERR(mixer_res->sclk_dac)) {
- dev_err(dev, "failed to get clock 'sclk_dac'\n");
- return -ENODEV;
- }
-
- if (mixer_res->sclk_hdmi)
- clk_set_parent(mixer_res->sclk_mixer, mixer_res->sclk_hdmi);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (res == NULL) {
- dev_err(dev, "get memory resource failed.\n");
- return -ENXIO;
- }
-
- mixer_res->vp_regs = devm_ioremap(dev, res->start,
- resource_size(res));
- if (mixer_res->vp_regs == NULL) {
- dev_err(dev, "register mapping failed.\n");
- return -ENXIO;
- }
-
- return 0;
-}
-
static struct mixer_drv_data exynos5420_mxr_drv_data = {
.version = MXR_VER_128_0_0_184,
.is_vp_enabled = 0,
@@ -1178,7 +1196,6 @@ static int mixer_probe(struct platform_device *pdev)
struct exynos_drm_hdmi_context *drm_hdmi_ctx;
struct mixer_context *ctx;
struct mixer_drv_data *drv;
- int ret;
dev_info(dev, "probe start\n");
@@ -1202,6 +1219,7 @@ static int mixer_probe(struct platform_device *pdev)
platform_get_device_id(pdev)->driver_data;
}
+ ctx->pdev = pdev;
ctx->dev = dev;
ctx->parent_ctx = (void *)drm_hdmi_ctx;
drm_hdmi_ctx->ctx = (void *)ctx;
@@ -1212,22 +1230,6 @@ static int mixer_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, drm_hdmi_ctx);
- /* acquire resources: regs, irqs, clocks */
- ret = mixer_resources_init(drm_hdmi_ctx, pdev);
- if (ret) {
- DRM_ERROR("mixer_resources_init failed\n");
- goto fail;
- }
-
- if (ctx->vp_enabled) {
- /* acquire vp resources: regs, irqs, clocks */
- ret = vp_resources_init(drm_hdmi_ctx, pdev);
- if (ret) {
- DRM_ERROR("vp_resources_init failed\n");
- goto fail;
- }
- }
-
/* attach mixer driver to common hdmi. */
exynos_mixer_drv_attach(drm_hdmi_ctx);
@@ -1237,11 +1239,6 @@ static int mixer_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
return 0;
-
-
-fail:
- dev_info(dev, "probe failed\n");
- return ret;
}
static int mixer_remove(struct platform_device *pdev)
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 07/34] drm/exynos: Pass exynos_drm_manager in manager ops instead of dev
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (5 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 06/34] drm/exynos: hdmi: Implement initialize op for hdmi Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 08/34] drm/exynos: Remove apply manager callback Sean Paul
` (29 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch changes the manager ops callbacks from accepting the subdrv
device pointer to taking a pointer to the manager. This will allow us
to move closer to decoupling manager/display from subdrv, and subsequently
decoupling the crtc/plane from the encoder.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Instead of passing context, pass manager
- Properly assign ctx->dev in fimd driver
Changes in v3:
- Added vidi implementation
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_connector.c | 2 +-
drivers/gpu/drm/exynos/exynos_drm_drv.h | 35 ++++----
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 27 +++---
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 114 ++++++++++++++------------
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 72 ++++++++--------
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 83 ++++++++++---------
6 files changed, 180 insertions(+), 153 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index e082efb..23b69d8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -198,7 +198,7 @@ static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
* resolution then get max width and height from that driver.
*/
if (ops && ops->get_max_resol)
- ops->get_max_resol(manager->dev, &width, &height);
+ ops->get_max_resol(manager, &width, &height);
return drm_helper_probe_single_connector_modes(connector, width,
height);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 2811486..5e82dc9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -161,27 +161,28 @@ struct exynos_drm_display_ops {
* @win_enable: enable hardware specific overlay.
* @win_disable: disable hardware specific overlay.
*/
+struct exynos_drm_manager;
struct exynos_drm_manager_ops {
- int (*initialize)(struct device *subdrv_dev,
- struct drm_device *drm_dev);
- void (*dpms)(struct device *subdrv_dev, int mode);
- void (*apply)(struct device *subdrv_dev);
- void (*mode_fixup)(struct device *subdrv_dev,
+ int (*initialize)(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev);
+ void (*dpms)(struct exynos_drm_manager *mgr, int mode);
+ void (*apply)(struct exynos_drm_manager *mgr);
+ void (*mode_fixup)(struct exynos_drm_manager *mgr,
struct drm_connector *connector,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
- void (*mode_set)(struct device *subdrv_dev, void *mode);
- void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width,
- unsigned int *height);
- void (*commit)(struct device *subdrv_dev);
- int (*enable_vblank)(struct device *subdrv_dev);
- void (*disable_vblank)(struct device *subdrv_dev);
- void (*wait_for_vblank)(struct device *subdrv_dev);
- void (*win_mode_set)(struct device *subdrv_dev,
+ void (*mode_set)(struct exynos_drm_manager *mgr, void *mode);
+ void (*get_max_resol)(struct exynos_drm_manager *mgr,
+ unsigned int *width, unsigned int *height);
+ void (*commit)(struct exynos_drm_manager *mgr);
+ int (*enable_vblank)(struct exynos_drm_manager *mgr);
+ void (*disable_vblank)(struct exynos_drm_manager *mgr);
+ void (*wait_for_vblank)(struct exynos_drm_manager *mgr);
+ void (*win_mode_set)(struct exynos_drm_manager *mgr,
struct exynos_drm_overlay *overlay);
- void (*win_commit)(struct device *subdrv_dev, int zpos);
- void (*win_enable)(struct device *subdrv_dev, int zpos);
- void (*win_disable)(struct device *subdrv_dev, int zpos);
+ void (*win_commit)(struct exynos_drm_manager *mgr, int zpos);
+ void (*win_enable)(struct exynos_drm_manager *mgr, int zpos);
+ void (*win_disable)(struct exynos_drm_manager *mgr, int zpos);
};
/*
@@ -197,12 +198,14 @@ struct exynos_drm_manager_ops {
* these callbacks should be set by specific drivers such fimd
* or hdmi driver and are used to control display devices such as
* analog tv, digital tv and lcd panel and also get timing data for them.
+ * @ctx: A pointer to the manager's implementation specific context
*/
struct exynos_drm_manager {
struct device *dev;
int pipe;
struct exynos_drm_manager_ops *ops;
struct exynos_drm_display_ops *display_ops;
+ void *ctx;
};
struct exynos_drm_g2d_private {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index a9eb2b0..ec627fa 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -74,7 +74,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
case DRM_MODE_DPMS_ON:
if (manager_ops && manager_ops->apply)
if (!exynos_encoder->updated)
- manager_ops->apply(manager->dev);
+ manager_ops->apply(manager);
exynos_drm_connector_power(encoder, mode);
exynos_encoder->dpms = mode;
@@ -107,7 +107,7 @@ exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->encoder == encoder)
if (manager_ops && manager_ops->mode_fixup)
- manager_ops->mode_fixup(manager->dev, connector,
+ manager_ops->mode_fixup(manager, connector,
mode, adjusted_mode);
}
@@ -175,8 +175,7 @@ static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
manager_ops = manager->ops;
if (manager_ops && manager_ops->mode_set)
- manager_ops->mode_set(manager->dev,
- adjusted_mode);
+ manager_ops->mode_set(manager, adjusted_mode);
exynos_encoder->old_crtc = encoder->crtc;
}
@@ -195,7 +194,7 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
struct exynos_drm_manager_ops *manager_ops = manager->ops;
if (manager_ops && manager_ops->commit)
- manager_ops->commit(manager->dev);
+ manager_ops->commit(manager);
/*
* this will avoid one issue that overlay data is updated to
@@ -233,7 +232,7 @@ void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb)
* real hardware.
*/
if (ops->wait_for_vblank)
- ops->wait_for_vblank(exynos_encoder->manager->dev);
+ ops->wait_for_vblank(exynos_encoder->manager);
}
}
@@ -341,7 +340,7 @@ exynos_drm_encoder_create(struct drm_device *dev,
drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
if (manager->ops && manager->ops->initialize) {
- ret = manager->ops->initialize(manager->dev, dev);
+ ret = manager->ops->initialize(manager, dev);
if (ret) {
DRM_ERROR("Manager initialize failed %d\n", ret);
goto error;
@@ -408,7 +407,7 @@ void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data)
return;
if (manager_ops->enable_vblank)
- manager_ops->enable_vblank(manager->dev);
+ manager_ops->enable_vblank(manager);
}
void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
@@ -422,7 +421,7 @@ void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
return;
if (manager_ops->disable_vblank)
- manager_ops->disable_vblank(manager->dev);
+ manager_ops->disable_vblank(manager);
}
void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
@@ -433,7 +432,7 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
int mode = *(int *)data;
if (manager_ops && manager_ops->dpms)
- manager_ops->dpms(manager->dev, mode);
+ manager_ops->dpms(manager, mode);
/*
* if this condition is ok then it means that the crtc is already
@@ -467,7 +466,7 @@ void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data)
struct exynos_drm_overlay *overlay = data;
if (manager_ops && manager_ops->win_mode_set)
- manager_ops->win_mode_set(manager->dev, overlay);
+ manager_ops->win_mode_set(manager, overlay);
}
void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
@@ -481,7 +480,7 @@ void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
zpos = *(int *)data;
if (manager_ops && manager_ops->win_commit)
- manager_ops->win_commit(manager->dev, zpos);
+ manager_ops->win_commit(manager, zpos);
}
void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
@@ -495,7 +494,7 @@ void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
zpos = *(int *)data;
if (manager_ops && manager_ops->win_enable)
- manager_ops->win_enable(manager->dev, zpos);
+ manager_ops->win_enable(manager, zpos);
}
void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
@@ -509,5 +508,5 @@ void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
zpos = *(int *)data;
if (manager_ops && manager_ops->win_disable)
- manager_ops->win_disable(manager->dev, zpos);
+ manager_ops->win_disable(manager, zpos);
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index f06a0a9..411e90a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -62,7 +62,7 @@
/* FIMD has totally five hardware windows. */
#define WINDOWS_NR 5
-#define get_fimd_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_fimd_manager(mgr) platform_get_drvdata(to_platform_device(dev))
struct fimd_driver_data {
unsigned int timing_base;
@@ -106,6 +106,7 @@ struct fimd_win_data {
struct fimd_context {
struct exynos_drm_subdrv subdrv;
+ struct device *dev;
struct drm_device *drm_dev;
int irq;
struct drm_crtc *crtc;
@@ -155,7 +156,8 @@ static bool fimd_display_is_connected(struct device *dev)
static void *fimd_get_panel(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
+ struct fimd_context *ctx = mgr->ctx;
return &ctx->panel;
}
@@ -182,19 +184,19 @@ static struct exynos_drm_display_ops fimd_display_ops = {
.power_on = fimd_display_power_on,
};
-static int fimd_mgr_initialize(struct device *subdrv_dev,
- struct drm_device *drm_dev)
+static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+ struct fimd_context *ctx = mgr->ctx;
ctx->drm_dev = drm_dev;
return 0;
}
-static void fimd_dpms(struct device *subdrv_dev, int mode)
+static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+ struct fimd_context *ctx = mgr->ctx;
DRM_DEBUG_KMS("%d\n", mode);
@@ -209,13 +211,13 @@ static void fimd_dpms(struct device *subdrv_dev, int mode)
* clk_enable could be called double time.
*/
if (ctx->suspended)
- pm_runtime_get_sync(subdrv_dev);
+ pm_runtime_get_sync(ctx->dev);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
if (!ctx->suspended)
- pm_runtime_put_sync(subdrv_dev);
+ pm_runtime_put_sync(ctx->dev);
break;
default:
DRM_DEBUG_KMS("unspecified mode %d\n", mode);
@@ -225,10 +227,9 @@ static void fimd_dpms(struct device *subdrv_dev, int mode)
mutex_unlock(&ctx->lock);
}
-static void fimd_apply(struct device *subdrv_dev)
+static void fimd_apply(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(subdrv_dev);
- struct exynos_drm_manager *mgr = ctx->subdrv.manager;
+ struct fimd_context *ctx = mgr->ctx;
struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
struct fimd_win_data *win_data;
int i;
@@ -236,16 +237,16 @@ static void fimd_apply(struct device *subdrv_dev)
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
- mgr_ops->win_commit(subdrv_dev, i);
+ mgr_ops->win_commit(mgr, i);
}
if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(subdrv_dev);
+ mgr_ops->commit(mgr);
}
-static void fimd_commit(struct device *dev)
+static void fimd_commit(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct exynos_drm_panel_info *panel = &ctx->panel;
struct videomode *vm = &panel->vm;
struct fimd_driver_data *driver_data;
@@ -299,9 +300,9 @@ static void fimd_commit(struct device *dev)
writel(val, ctx->regs + VIDCON0);
}
-static int fimd_enable_vblank(struct device *dev)
+static int fimd_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
u32 val;
if (ctx->suspended)
@@ -324,9 +325,9 @@ static int fimd_enable_vblank(struct device *dev)
return 0;
}
-static void fimd_disable_vblank(struct device *dev)
+static void fimd_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
u32 val;
if (ctx->suspended)
@@ -342,9 +343,9 @@ static void fimd_disable_vblank(struct device *dev)
}
}
-static void fimd_wait_for_vblank(struct device *dev)
+static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
if (ctx->suspended)
return;
@@ -361,16 +362,16 @@ static void fimd_wait_for_vblank(struct device *dev)
DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static void fimd_win_mode_set(struct device *dev,
- struct exynos_drm_overlay *overlay)
+static void fimd_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win;
unsigned long offset;
if (!overlay) {
- dev_err(dev, "overlay is NULL\n");
+ DRM_ERROR("overlay is NULL\n");
return;
}
@@ -410,9 +411,8 @@ static void fimd_win_mode_set(struct device *dev,
overlay->fb_width, overlay->crtc_width);
}
-static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
+static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_context *ctx = get_fimd_context(dev);
struct fimd_win_data *win_data = &ctx->win_data[win];
unsigned long val;
@@ -468,9 +468,8 @@ static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
writel(val, ctx->regs + WINCON(win));
}
-static void fimd_win_set_colkey(struct device *dev, unsigned int win)
+static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_context *ctx = get_fimd_context(dev);
unsigned int keycon0 = 0, keycon1 = 0;
keycon0 = ~(WxKEYCON0_KEYBL_EN | WxKEYCON0_KEYEN_F |
@@ -509,9 +508,9 @@ static void fimd_shadow_protect_win(struct fimd_context *ctx,
writel(val, ctx->regs + reg);
}
-static void fimd_win_commit(struct device *dev, int zpos)
+static void fimd_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win = zpos;
unsigned long val, alpha, size;
@@ -606,11 +605,11 @@ static void fimd_win_commit(struct device *dev, int zpos)
DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val);
}
- fimd_win_set_pixfmt(dev, win);
+ fimd_win_set_pixfmt(ctx, win);
/* hardware window 0 doesn't support color key. */
if (win != 0)
- fimd_win_set_colkey(dev, win);
+ fimd_win_set_colkey(ctx, win);
/* wincon */
val = readl(ctx->regs + WINCON(win));
@@ -629,9 +628,9 @@ static void fimd_win_commit(struct device *dev, int zpos)
win_data->enabled = true;
}
-static void fimd_win_disable(struct device *dev, int zpos)
+static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int win = zpos;
u32 val;
@@ -838,21 +837,23 @@ static int fimd_clock(struct fimd_context *ctx, bool enable)
static void fimd_window_suspend(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
win_data->resume = win_data->enabled;
- fimd_win_disable(dev, i);
+ fimd_win_disable(mgr, i);
}
- fimd_wait_for_vblank(dev);
+ fimd_wait_for_vblank(mgr);
}
static void fimd_window_resume(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
+ struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
@@ -863,9 +864,11 @@ static void fimd_window_resume(struct device *dev)
}
}
-static int fimd_activate(struct fimd_context *ctx, bool enable)
+static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
{
+ struct fimd_context *ctx = mgr->ctx;
struct device *dev = ctx->subdrv.dev;
+
if (enable) {
int ret;
@@ -877,7 +880,7 @@ static int fimd_activate(struct fimd_context *ctx, bool enable)
/* if vblank was enabled status, enable it again. */
if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(dev);
+ fimd_enable_vblank(mgr);
fimd_window_resume(dev);
} else {
@@ -930,6 +933,8 @@ static int fimd_probe(struct platform_device *pdev)
if (!ctx)
return -ENOMEM;
+ ctx->dev = dev;
+
ret = fimd_get_platform_data(ctx, dev);
if (ret)
return ret;
@@ -963,6 +968,8 @@ static int fimd_probe(struct platform_device *pdev)
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
+ fimd_manager.ctx = ctx;
+
subdrv = &ctx->subdrv;
subdrv->dev = dev;
@@ -972,7 +979,7 @@ static int fimd_probe(struct platform_device *pdev)
mutex_init(&ctx->lock);
- platform_set_drvdata(pdev, ctx);
+ platform_set_drvdata(pdev, &fimd_manager);
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
@@ -988,7 +995,8 @@ static int fimd_probe(struct platform_device *pdev)
static int fimd_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct fimd_context *ctx = platform_get_drvdata(pdev);
+ struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
+ struct fimd_context *ctx = mgr->ctx;
exynos_drm_subdrv_unregister(&ctx->subdrv);
@@ -1007,7 +1015,7 @@ out:
#ifdef CONFIG_PM_SLEEP
static int fimd_suspend(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
/*
* do not use pm_runtime_suspend(). if pm_runtime_suspend() is
@@ -1015,14 +1023,14 @@ static int fimd_suspend(struct device *dev)
* because the usage_count of pm runtime is more than 1.
*/
if (!pm_runtime_suspended(dev))
- return fimd_activate(ctx, false);
+ return fimd_activate(mgr, false);
return 0;
}
static int fimd_resume(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
/*
* if entered to sleep when lcd panel was on, the usage_count
@@ -1032,7 +1040,7 @@ static int fimd_resume(struct device *dev)
if (!pm_runtime_suspended(dev)) {
int ret;
- ret = fimd_activate(ctx, true);
+ ret = fimd_activate(mgr, true);
if (ret < 0)
return ret;
@@ -1042,7 +1050,7 @@ static int fimd_resume(struct device *dev)
* registers but in case of sleep wakeup, it's not.
* so fimd_apply function should be called at here.
*/
- fimd_apply(dev);
+ fimd_apply(mgr);
}
return 0;
@@ -1052,16 +1060,16 @@ static int fimd_resume(struct device *dev)
#ifdef CONFIG_PM_RUNTIME
static int fimd_runtime_suspend(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
- return fimd_activate(ctx, false);
+ return fimd_activate(mgr, false);
}
static int fimd_runtime_resume(struct device *dev)
{
- struct fimd_context *ctx = get_fimd_context(dev);
+ struct exynos_drm_manager *mgr = get_fimd_manager(dev);
- return fimd_activate(ctx, true);
+ return fimd_activate(mgr, true);
}
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index aebcc0e..ca0a87f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -129,11 +129,9 @@ static struct edid *drm_hdmi_get_edid(struct device *dev,
return NULL;
}
-
-static int drm_hdmi_check_mode(struct device *dev,
+static int drm_hdmi_check_mode_ctx(struct drm_hdmi_context *ctx,
struct drm_display_mode *mode)
{
- struct drm_hdmi_context *ctx = to_context(dev);
int ret = 0;
/*
@@ -153,6 +151,14 @@ static int drm_hdmi_check_mode(struct device *dev,
return 0;
}
+static int drm_hdmi_check_mode(struct device *dev,
+ struct drm_display_mode *mode)
+{
+ struct drm_hdmi_context *ctx = to_context(dev);
+
+ return drm_hdmi_check_mode_ctx(ctx, mode);
+}
+
static int drm_hdmi_power_on(struct device *dev, int mode)
{
struct drm_hdmi_context *ctx = to_context(dev);
@@ -172,9 +178,9 @@ static struct exynos_drm_display_ops drm_hdmi_display_ops = {
.power_on = drm_hdmi_power_on,
};
-static int drm_hdmi_enable_vblank(struct device *subdrv_dev)
+static int drm_hdmi_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
struct exynos_drm_manager *manager = subdrv->manager;
@@ -185,33 +191,34 @@ static int drm_hdmi_enable_vblank(struct device *subdrv_dev)
return 0;
}
-static void drm_hdmi_disable_vblank(struct device *subdrv_dev)
+static void drm_hdmi_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (mixer_ops && mixer_ops->disable_vblank)
return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
}
-static void drm_hdmi_wait_for_vblank(struct device *subdrv_dev)
+static void drm_hdmi_wait_for_vblank(struct exynos_drm_manager *mgr)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (mixer_ops && mixer_ops->wait_for_vblank)
mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
}
-static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
+static void drm_hdmi_mode_fixup(struct exynos_drm_manager *mgr,
struct drm_connector *connector,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
+ struct drm_hdmi_context *ctx = mgr->ctx;
struct drm_display_mode *m;
int mode_ok;
drm_mode_set_crtcinfo(adjusted_mode, 0);
- mode_ok = drm_hdmi_check_mode(subdrv_dev, adjusted_mode);
+ mode_ok = drm_hdmi_check_mode_ctx(ctx, adjusted_mode);
/* just return if user desired mode exists. */
if (mode_ok == 0)
@@ -222,7 +229,7 @@ static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
* to adjusted_mode.
*/
list_for_each_entry(m, &connector->modes, head) {
- mode_ok = drm_hdmi_check_mode(subdrv_dev, m);
+ mode_ok = drm_hdmi_check_mode_ctx(ctx, m);
if (mode_ok == 0) {
struct drm_mode_object base;
@@ -245,35 +252,34 @@ static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
}
}
-static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
+static void drm_hdmi_mode_set(struct exynos_drm_manager *mgr, void *mode)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (hdmi_ops && hdmi_ops->mode_set)
hdmi_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
}
-static void drm_hdmi_get_max_resol(struct device *subdrv_dev,
+static void drm_hdmi_get_max_resol(struct exynos_drm_manager *mgr,
unsigned int *width, unsigned int *height)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (hdmi_ops && hdmi_ops->get_max_resol)
hdmi_ops->get_max_resol(ctx->hdmi_ctx->ctx, width, height);
}
-static void drm_hdmi_commit(struct device *subdrv_dev)
+static void drm_hdmi_commit(struct exynos_drm_manager *mgr)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (hdmi_ops && hdmi_ops->commit)
hdmi_ops->commit(ctx->hdmi_ctx->ctx);
}
-static int drm_hdmi_mgr_initialize(struct device *subdrv_dev,
- struct drm_device *drm_dev)
+static int drm_hdmi_mgr_initialize(struct exynos_drm_manager *mgr, struct drm_device *drm_dev)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
int ret = 0;
if (mixer_ops && mixer_ops->initialize)
@@ -285,9 +291,9 @@ static int drm_hdmi_mgr_initialize(struct device *subdrv_dev,
return ret;
}
-static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
+static void drm_hdmi_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (mixer_ops && mixer_ops->dpms)
mixer_ops->dpms(ctx->mixer_ctx->ctx, mode);
@@ -296,9 +302,9 @@ static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
}
-static void drm_hdmi_apply(struct device *subdrv_dev)
+static void drm_hdmi_apply(struct exynos_drm_manager *mgr)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
int i;
for (i = 0; i < MIXER_WIN_NR; i++) {
@@ -312,18 +318,18 @@ static void drm_hdmi_apply(struct device *subdrv_dev)
hdmi_ops->commit(ctx->hdmi_ctx->ctx);
}
-static void drm_mixer_win_mode_set(struct device *subdrv_dev,
- struct exynos_drm_overlay *overlay)
+static void drm_mixer_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
if (mixer_ops && mixer_ops->win_mode_set)
mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
}
-static void drm_mixer_win_commit(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
if (win < 0 || win >= MIXER_WIN_NR) {
@@ -337,9 +343,9 @@ static void drm_mixer_win_commit(struct device *subdrv_dev, int zpos)
ctx->enabled[win] = true;
}
-static void drm_mixer_win_disable(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+ struct drm_hdmi_context *ctx = mgr->ctx;
int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
if (win < 0 || win >= MIXER_WIN_NR) {
@@ -425,6 +431,8 @@ static int exynos_drm_hdmi_probe(struct platform_device *pdev)
if (!ctx)
return -ENOMEM;
+ hdmi_manager.ctx = ctx;
+
subdrv = &ctx->subdrv;
subdrv->dev = dev;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index fca7ad5..e458b26 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -28,7 +28,7 @@
/* vidi has totally three virtual windows. */
#define WINDOWS_NR 3
-#define get_vidi_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_vidi_mgr(dev) platform_get_drvdata(to_platform_device(dev))
struct vidi_win_data {
unsigned int offset_x;
@@ -87,7 +87,8 @@ static const char fake_edid_info[] = {
static bool vidi_display_is_connected(struct device *dev)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
+ struct vidi_context *ctx = mgr->ctx;
/*
* connection request would come from user side
@@ -99,7 +100,8 @@ static bool vidi_display_is_connected(struct device *dev)
static struct edid *vidi_get_edid(struct device *dev,
struct drm_connector *connector)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct edid *edid;
/*
@@ -150,9 +152,9 @@ static struct exynos_drm_display_ops vidi_display_ops = {
.power_on = vidi_display_power_on,
};
-static void vidi_dpms(struct device *subdrv_dev, int mode)
+static void vidi_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct vidi_context *ctx = get_vidi_context(subdrv_dev);
+ struct vidi_context *ctx = mgr->ctx;
DRM_DEBUG_KMS("%d\n", mode);
@@ -175,10 +177,9 @@ static void vidi_dpms(struct device *subdrv_dev, int mode)
mutex_unlock(&ctx->lock);
}
-static void vidi_apply(struct device *subdrv_dev)
+static void vidi_apply(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(subdrv_dev);
- struct exynos_drm_manager *mgr = ctx->subdrv.manager;
+ struct vidi_context *ctx = mgr->ctx;
struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
struct vidi_win_data *win_data;
int i;
@@ -186,24 +187,24 @@ static void vidi_apply(struct device *subdrv_dev)
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
- mgr_ops->win_commit(subdrv_dev, i);
+ mgr_ops->win_commit(mgr, i);
}
if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(subdrv_dev);
+ mgr_ops->commit(mgr);
}
-static void vidi_commit(struct device *dev)
+static void vidi_commit(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
if (ctx->suspended)
return;
}
-static int vidi_enable_vblank(struct device *dev)
+static int vidi_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
if (ctx->suspended)
return -EPERM;
@@ -223,9 +224,9 @@ static int vidi_enable_vblank(struct device *dev)
return 0;
}
-static void vidi_disable_vblank(struct device *dev)
+static void vidi_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
if (ctx->suspended)
return;
@@ -234,16 +235,16 @@ static void vidi_disable_vblank(struct device *dev)
ctx->vblank_on = false;
}
-static void vidi_win_mode_set(struct device *dev,
- struct exynos_drm_overlay *overlay)
+static void vidi_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct vidi_win_data *win_data;
int win;
unsigned long offset;
if (!overlay) {
- dev_err(dev, "overlay is NULL\n");
+ DRM_ERROR("overlay is NULL\n");
return;
}
@@ -287,9 +288,9 @@ static void vidi_win_mode_set(struct device *dev,
overlay->fb_width, overlay->crtc_width);
}
-static void vidi_win_commit(struct device *dev, int zpos)
+static void vidi_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct vidi_win_data *win_data;
int win = zpos;
@@ -312,9 +313,9 @@ static void vidi_win_commit(struct device *dev, int zpos)
schedule_work(&ctx->work);
}
-static void vidi_win_disable(struct device *dev, int zpos)
+static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct vidi_context *ctx = mgr->ctx;
struct vidi_win_data *win_data;
int win = zpos;
@@ -401,19 +402,23 @@ static void vidi_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
/* TODO. */
}
-static int vidi_power_on(struct vidi_context *ctx, bool enable)
+static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable)
{
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct device *dev = subdrv->dev;
+ struct vidi_context *ctx = mgr->ctx;
+
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ if (enable != false && enable != true)
+ return -EINVAL;
if (enable) {
ctx->suspended = false;
/* if vblank was enabled status, enable it again. */
if (test_and_clear_bit(0, &ctx->irq_flags))
- vidi_enable_vblank(dev);
+ vidi_enable_vblank(mgr);
- vidi_apply(dev);
+ vidi_apply(mgr);
} else {
ctx->suspended = true;
}
@@ -425,7 +430,8 @@ static int vidi_show_connection(struct device *dev,
struct device_attribute *attr, char *buf)
{
int rc;
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
+ struct vidi_context *ctx = mgr->ctx;
mutex_lock(&ctx->lock);
@@ -440,7 +446,8 @@ static int vidi_store_connection(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
+ struct vidi_context *ctx = mgr->ctx;
int ret;
ret = kstrtoint(buf, 0, &ctx->connected);
@@ -495,7 +502,7 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
display_ops = manager->display_ops;
if (display_ops->type == EXYNOS_DISPLAY_TYPE_VIDI) {
- ctx = get_vidi_context(manager->dev);
+ ctx = manager->ctx;
break;
}
}
@@ -554,6 +561,8 @@ static int vidi_probe(struct platform_device *pdev)
INIT_WORK(&ctx->work, vidi_fake_vblank_handler);
+ vidi_manager.ctx = ctx;
+
subdrv = &ctx->subdrv;
subdrv->dev = dev;
subdrv->manager = &vidi_manager;
@@ -562,7 +571,7 @@ static int vidi_probe(struct platform_device *pdev)
mutex_init(&ctx->lock);
- platform_set_drvdata(pdev, ctx);
+ platform_set_drvdata(pdev, &vidi_manager);
ret = device_create_file(dev, &dev_attr_connection);
if (ret < 0)
@@ -590,16 +599,16 @@ static int vidi_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int vidi_suspend(struct device *dev)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
- return vidi_power_on(ctx, false);
+ return vidi_power_on(mgr, false);
}
static int vidi_resume(struct device *dev)
{
- struct vidi_context *ctx = get_vidi_context(dev);
+ struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
- return vidi_power_on(ctx, true);
+ return vidi_power_on(mgr, true);
}
#endif
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 08/34] drm/exynos: Remove apply manager callback
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (6 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 07/34] drm/exynos: Pass exynos_drm_manager in manager ops instead of dev Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 09/34] drm/exynos: Remove dpms link between encoder/connector Sean Paul
` (28 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch removes the apply() manager callback in favor of putting the
relevant commits in the individual drivers. This will mitigate some of
the difference between the suspend/resume path and the dpms path
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- This was previously in another patch, but moved since it warrants its own
Changes in v3:
- Removed apply() from vidi
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_drv.h | 2 --
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 6 ------
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 22 +++++-----------------
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 17 -----------------
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 1 -
drivers/gpu/drm/exynos/exynos_hdmi.c | 1 +
drivers/gpu/drm/exynos/exynos_mixer.c | 2 ++
7 files changed, 8 insertions(+), 43 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 5e82dc9..5912841 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -146,7 +146,6 @@ struct exynos_drm_display_ops {
*
* @initialize: initializes the manager with drm_dev
* @dpms: control device power.
- * @apply: set timing, vblank and overlay data to registers.
* @mode_fixup: fix mode data comparing to hw specific display mode.
* @mode_set: convert drm_display_mode to hw specific display mode and
* would be called by encoder->mode_set().
@@ -166,7 +165,6 @@ struct exynos_drm_manager_ops {
int (*initialize)(struct exynos_drm_manager *mgr,
struct drm_device *drm_dev);
void (*dpms)(struct exynos_drm_manager *mgr, int mode);
- void (*apply)(struct exynos_drm_manager *mgr);
void (*mode_fixup)(struct exynos_drm_manager *mgr,
struct drm_connector *connector,
const struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index ec627fa..19ee84d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -57,8 +57,6 @@ static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
@@ -72,10 +70,6 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
switch (mode) {
case DRM_MODE_DPMS_ON:
- if (manager_ops && manager_ops->apply)
- if (!exynos_encoder->updated)
- manager_ops->apply(manager);
-
exynos_drm_connector_power(encoder, mode);
exynos_encoder->dpms = mode;
break;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 411e90a..810c61f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -672,7 +672,6 @@ static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos)
static struct exynos_drm_manager_ops fimd_manager_ops = {
.initialize = fimd_mgr_initialize,
.dpms = fimd_dpms,
- .apply = fimd_apply,
.commit = fimd_commit,
.enable_vblank = fimd_enable_vblank,
.disable_vblank = fimd_disable_vblank,
@@ -883,6 +882,8 @@ static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
fimd_enable_vblank(mgr);
fimd_window_resume(dev);
+
+ fimd_apply(mgr);
} else {
fimd_window_suspend(dev);
@@ -1037,23 +1038,10 @@ static int fimd_resume(struct device *dev)
* of pm runtime would still be 1 so in this case, fimd driver
* should be on directly not drawing on pm runtime interface.
*/
- if (!pm_runtime_suspended(dev)) {
- int ret;
+ if (pm_runtime_suspended(dev))
+ return 0;
- ret = fimd_activate(mgr, true);
- if (ret < 0)
- return ret;
-
- /*
- * in case of dpms on(standby), fimd_apply function will
- * be called by encoder's dpms callback to update fimd's
- * registers but in case of sleep wakeup, it's not.
- * so fimd_apply function should be called at here.
- */
- fimd_apply(mgr);
- }
-
- return 0;
+ return fimd_activate(mgr, true);
}
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index ca0a87f..c5de00a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -302,22 +302,6 @@ static void drm_hdmi_dpms(struct exynos_drm_manager *mgr, int mode)
hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
}
-static void drm_hdmi_apply(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
- int i;
-
- for (i = 0; i < MIXER_WIN_NR; i++) {
- if (!ctx->enabled[i])
- continue;
- if (mixer_ops && mixer_ops->win_commit)
- mixer_ops->win_commit(ctx->mixer_ctx->ctx, i);
- }
-
- if (hdmi_ops && hdmi_ops->commit)
- hdmi_ops->commit(ctx->hdmi_ctx->ctx);
-}
-
static void drm_mixer_win_mode_set(struct exynos_drm_manager *mgr,
struct exynos_drm_overlay *overlay)
{
@@ -362,7 +346,6 @@ static void drm_mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
.initialize = drm_hdmi_mgr_initialize,
.dpms = drm_hdmi_dpms,
- .apply = drm_hdmi_apply,
.enable_vblank = drm_hdmi_enable_vblank,
.disable_vblank = drm_hdmi_disable_vblank,
.wait_for_vblank = drm_hdmi_wait_for_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index e458b26..838edb0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -333,7 +333,6 @@ static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
static struct exynos_drm_manager_ops vidi_manager_ops = {
.dpms = vidi_dpms,
- .apply = vidi_apply,
.commit = vidi_commit,
.enable_vblank = vidi_enable_vblank,
.disable_vblank = vidi_disable_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 9837926..520aafd 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1700,6 +1700,7 @@ static void hdmi_poweron(struct hdmi_context *hdata)
clk_prepare_enable(res->sclk_hdmi);
hdmiphy_poweron(hdata);
+ hdmi_commit(hdata);
}
static void hdmi_poweroff(struct hdmi_context *hdata)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 23b9407..25a440a 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1058,6 +1058,8 @@ static void mixer_window_resume(struct mixer_context *ctx)
win_data = &ctx->win_data[i];
win_data->enabled = win_data->resume;
win_data->resume = false;
+ if (win_data->enabled)
+ mixer_win_commit(ctx, i);
}
}
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 09/34] drm/exynos: Remove dpms link between encoder/connector
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (7 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 08/34] drm/exynos: Remove apply manager callback Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 10/34] drm/exynos: Rename display_op power_on to dpms Sean Paul
` (27 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch removes the call from encoder dpms into connector dpms (which
will then call back into encoder dpms through the helper function). The
callback is likely to keep connector->dpms in the right state when
initiating dpms from crtc or encoder, but this isn't the right way to do
it. This patch is the first step towards rationalizing power management
in the exynos drm driver.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Split out the apply change into a new patch
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_connector.c | 42 ++--------------------
drivers/gpu/drm/exynos/exynos_drm_connector.h | 4 ---
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 50 +++------------------------
3 files changed, 8 insertions(+), 88 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 23b69d8..ca270e2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -26,7 +26,6 @@ struct exynos_drm_connector {
struct drm_connector drm_connector;
uint32_t encoder_id;
struct exynos_drm_manager *manager;
- uint32_t dpms;
};
static int exynos_drm_connector_get_modes(struct drm_connector *connector)
@@ -119,7 +118,8 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
return ret;
}
-struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector)
+static struct drm_encoder *exynos_drm_best_encoder(
+ struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct exynos_drm_connector *exynos_connector =
@@ -146,41 +146,6 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
.best_encoder = exynos_drm_best_encoder,
};
-void exynos_drm_display_power(struct drm_connector *connector, int mode)
-{
- struct drm_encoder *encoder = exynos_drm_best_encoder(connector);
- struct exynos_drm_connector *exynos_connector;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
-
- exynos_connector = to_exynos_connector(connector);
-
- if (exynos_connector->dpms == mode) {
- DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
- return;
- }
-
- if (display_ops && display_ops->power_on)
- display_ops->power_on(manager->dev, mode);
-
- exynos_connector->dpms = mode;
-}
-
-static void exynos_drm_connector_dpms(struct drm_connector *connector,
- int mode)
-{
- /*
- * in case that drm_crtc_helper_set_mode() is called,
- * encoder/crtc->funcs->dpms() will be just returned
- * because they already were DRM_MODE_DPMS_ON so only
- * exynos_drm_display_power() will be called.
- */
- drm_helper_connector_dpms(connector, mode);
-
- exynos_drm_display_power(connector, mode);
-
-}
-
static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
unsigned int max_width, unsigned int max_height)
{
@@ -236,7 +201,7 @@ static void exynos_drm_connector_destroy(struct drm_connector *connector)
}
static struct drm_connector_funcs exynos_connector_funcs = {
- .dpms = exynos_drm_connector_dpms,
+ .dpms = drm_helper_connector_dpms,
.fill_modes = exynos_drm_connector_fill_modes,
.detect = exynos_drm_connector_detect,
.destroy = exynos_drm_connector_destroy,
@@ -281,7 +246,6 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
exynos_connector->encoder_id = encoder->base.id;
exynos_connector->manager = manager;
- exynos_connector->dpms = DRM_MODE_DPMS_OFF;
connector->dpms = DRM_MODE_DPMS_OFF;
connector->encoder = encoder;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.h b/drivers/gpu/drm/exynos/exynos_drm_connector.h
index 547c6b5..4eb20d7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.h
@@ -17,8 +17,4 @@
struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
struct drm_encoder *encoder);
-struct drm_encoder *exynos_drm_best_encoder(struct drm_connector *connector);
-
-void exynos_drm_display_power(struct drm_connector *connector, int mode);
-
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 19ee84d..df4b2852 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -29,35 +29,19 @@
* @manager: specific encoder has its own manager to control a hardware
* appropriately and we can access a hardware drawing on this manager.
* @dpms: store the encoder dpms value.
- * @updated: indicate whether overlay data updating is needed or not.
*/
struct exynos_drm_encoder {
struct drm_crtc *old_crtc;
struct drm_encoder drm_encoder;
struct exynos_drm_manager *manager;
int dpms;
- bool updated;
};
-static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
-{
- struct drm_device *dev = encoder->dev;
- struct drm_connector *connector;
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (exynos_drm_best_encoder(connector) == encoder) {
- DRM_DEBUG_KMS("connector[%d] dpms[%d]\n",
- connector->base.id, mode);
-
- exynos_drm_display_power(connector, mode);
- }
- }
-}
-
static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
{
- struct drm_device *dev = encoder->dev;
+ struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display_ops *display_ops = manager->display_ops;
DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
@@ -66,26 +50,10 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
return;
}
- mutex_lock(&dev->struct_mutex);
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- exynos_drm_connector_power(encoder, mode);
- exynos_encoder->dpms = mode;
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- exynos_drm_connector_power(encoder, mode);
- exynos_encoder->dpms = mode;
- exynos_encoder->updated = false;
- break;
- default:
- DRM_ERROR("unspecified mode %d\n", mode);
- break;
- }
+ if (display_ops && display_ops->power_on)
+ display_ops->power_on(manager->ctx, mode);
- mutex_unlock(&dev->struct_mutex);
+ exynos_encoder->dpms = mode;
}
static bool
@@ -191,14 +159,6 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
manager_ops->commit(manager);
/*
- * this will avoid one issue that overlay data is updated to
- * real hardware two times.
- * And this variable will be used to check if the data was
- * already updated or not by exynos_drm_encoder_dpms function.
- */
- exynos_encoder->updated = true;
-
- /*
* In case of setcrtc, there is no way to update encoder's dpms
* so update it here.
*/
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 10/34] drm/exynos: Rename display_op power_on to dpms
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (8 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 09/34] drm/exynos: Remove dpms link between encoder/connector Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 11/34] drm/exynos: Don't keep dpms state in encoder Sean Paul
` (26 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch renames the display_op power_on to dpms to accurately reflect
what the function does.
The side-effect of this patch is that the new hdmi dpms callback is now
invoked twice in the dpms path. This is safe and will be dealt with when
the exynos_drm shim goes away.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3:
- Changed vidi to dpms as well
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_drv.h | 4 ++--
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 4 ++--
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 8 --------
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 8 ++++----
drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 3 +--
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 8 --------
drivers/gpu/drm/exynos/exynos_hdmi.c | 2 +-
7 files changed, 10 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 5912841..cf65f65 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -128,7 +128,7 @@ struct exynos_drm_overlay {
* @get_edid: get edid modes from display driver.
* @get_panel: get panel object from display driver.
* @check_mode: check if mode is valid or not.
- * @power_on: display device on or off.
+ * @dpms: display device on or off.
*/
struct exynos_drm_display_ops {
enum exynos_drm_output_type type;
@@ -138,7 +138,7 @@ struct exynos_drm_display_ops {
struct drm_connector *connector);
void *(*get_panel)(struct device *dev);
int (*check_mode)(struct device *dev, struct drm_display_mode *mode);
- int (*power_on)(struct device *dev, int mode);
+ int (*dpms)(struct device *dev, int mode);
};
/*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index df4b2852..5bf1e1e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -50,8 +50,8 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
return;
}
- if (display_ops && display_ops->power_on)
- display_ops->power_on(manager->ctx, mode);
+ if (display_ops && display_ops->dpms)
+ display_ops->dpms(manager->ctx, mode);
exynos_encoder->dpms = mode;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 810c61f..ff1ba94 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -169,19 +169,11 @@ static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode)
return 0;
}
-static int fimd_display_power_on(struct device *dev, int mode)
-{
- /* TODO */
-
- return 0;
-}
-
static struct exynos_drm_display_ops fimd_display_ops = {
.type = EXYNOS_DISPLAY_TYPE_LCD,
.is_connected = fimd_display_is_connected,
.get_panel = fimd_get_panel,
.check_mode = fimd_check_mode,
- .power_on = fimd_display_power_on,
};
static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index c5de00a..f9a9324 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -159,12 +159,12 @@ static int drm_hdmi_check_mode(struct device *dev,
return drm_hdmi_check_mode_ctx(ctx, mode);
}
-static int drm_hdmi_power_on(struct device *dev, int mode)
+static int drm_hdmi_display_dpms(struct device *dev, int mode)
{
struct drm_hdmi_context *ctx = to_context(dev);
- if (hdmi_ops && hdmi_ops->power_on)
- return hdmi_ops->power_on(ctx->hdmi_ctx->ctx, mode);
+ if (hdmi_ops && hdmi_ops->dpms)
+ hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
return 0;
}
@@ -175,7 +175,7 @@ static struct exynos_drm_display_ops drm_hdmi_display_ops = {
.is_connected = drm_hdmi_is_connected,
.get_edid = drm_hdmi_get_edid,
.check_mode = drm_hdmi_check_mode,
- .power_on = drm_hdmi_power_on,
+ .dpms = drm_hdmi_display_dpms,
};
static int drm_hdmi_enable_vblank(struct exynos_drm_manager *mgr)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index cf7b1da..923239b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -33,14 +33,13 @@ struct exynos_hdmi_ops {
struct edid *(*get_edid)(void *ctx,
struct drm_connector *connector);
int (*check_mode)(void *ctx, struct drm_display_mode *mode);
- int (*power_on)(void *ctx, int mode);
+ void (*dpms)(void *ctx, int mode);
/* manager */
void (*mode_set)(void *ctx, struct drm_display_mode *mode);
void (*get_max_resol)(void *ctx, unsigned int *width,
unsigned int *height);
void (*commit)(void *ctx);
- void (*dpms)(void *ctx, int mode);
};
struct exynos_mixer_ops {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 838edb0..8d1fdc4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -136,20 +136,12 @@ static int vidi_check_mode(struct device *dev, struct drm_display_mode *mode)
return 0;
}
-static int vidi_display_power_on(struct device *dev, int mode)
-{
- /* TODO */
-
- return 0;
-}
-
static struct exynos_drm_display_ops vidi_display_ops = {
.type = EXYNOS_DISPLAY_TYPE_VIDI,
.is_connected = vidi_display_is_connected,
.get_edid = vidi_get_edid,
.get_panel = vidi_get_panel,
.check_mode = vidi_check_mode,
- .power_on = vidi_display_power_on,
};
static void vidi_dpms(struct exynos_drm_manager *mgr, int mode)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 520aafd..7e70228 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1761,12 +1761,12 @@ static struct exynos_hdmi_ops hdmi_ops = {
.is_connected = hdmi_is_connected,
.get_edid = hdmi_get_edid,
.check_mode = hdmi_check_mode,
+ .dpms = hdmi_dpms,
/* manager */
.mode_set = hdmi_mode_set,
.get_max_resol = hdmi_get_max_resol,
.commit = hdmi_commit,
- .dpms = hdmi_dpms,
};
static irqreturn_t hdmi_irq_thread(int irq, void *arg)
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 11/34] drm/exynos: Don't keep dpms state in encoder
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (9 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 10/34] drm/exynos: Rename display_op power_on to dpms Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 12/34] drm/exynos: Use unsigned long for possible_crtcs Sean Paul
` (25 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch removes the dpms state tracking in encoder. This
state is at best confusing and at worst incorrect since the display
drivers can turn on and off without propagating the value.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 17 -----------------
1 file changed, 17 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 5bf1e1e..a823d53 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -28,32 +28,22 @@
* @drm_encoder: encoder object.
* @manager: specific encoder has its own manager to control a hardware
* appropriately and we can access a hardware drawing on this manager.
- * @dpms: store the encoder dpms value.
*/
struct exynos_drm_encoder {
struct drm_crtc *old_crtc;
struct drm_encoder drm_encoder;
struct exynos_drm_manager *manager;
- int dpms;
};
static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
{
struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
struct exynos_drm_display_ops *display_ops = manager->display_ops;
DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
- if (exynos_encoder->dpms == mode) {
- DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
- return;
- }
-
if (display_ops && display_ops->dpms)
display_ops->dpms(manager->ctx, mode);
-
- exynos_encoder->dpms = mode;
}
static bool
@@ -157,12 +147,6 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
if (manager_ops && manager_ops->commit)
manager_ops->commit(manager);
-
- /*
- * In case of setcrtc, there is no way to update encoder's dpms
- * so update it here.
- */
- exynos_encoder->dpms = DRM_MODE_DPMS_ON;
}
void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb)
@@ -281,7 +265,6 @@ exynos_drm_encoder_create(struct drm_device *dev,
if (!exynos_encoder)
return NULL;
- exynos_encoder->dpms = DRM_MODE_DPMS_OFF;
exynos_encoder->manager = manager;
encoder = &exynos_encoder->drm_encoder;
encoder->possible_crtcs = possible_crtcs;
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 12/34] drm/exynos: Use unsigned long for possible_crtcs
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (10 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 11/34] drm/exynos: Don't keep dpms state in encoder Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 13/34] drm/exynos: Split manager/display/subdrv Sean Paul
` (24 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
Change all instances of possible_crtcs in the exynos drm driver to be
unsigned long. This matches the type used in the drm layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_drv.c | 2 +-
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 2 +-
drivers/gpu/drm/exynos/exynos_drm_encoder.h | 2 +-
drivers/gpu/drm/exynos/exynos_drm_plane.c | 2 +-
drivers/gpu/drm/exynos/exynos_drm_plane.h | 2 +-
5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 215131a..46e58b2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -86,7 +86,7 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
for (nr = 0; nr < MAX_PLANE; nr++) {
struct drm_plane *plane;
- unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
+ unsigned long possible_crtcs = (1 << MAX_CRTC) - 1;
plane = exynos_plane_init(dev, possible_crtcs, false);
if (!plane)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index a823d53..efe4e60 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -249,7 +249,7 @@ void exynos_drm_encoder_setup(struct drm_device *dev)
struct drm_encoder *
exynos_drm_encoder_create(struct drm_device *dev,
struct exynos_drm_manager *manager,
- unsigned int possible_crtcs)
+ unsigned long possible_crtcs)
{
struct drm_encoder *encoder;
struct exynos_drm_encoder *exynos_encoder;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 89e2fb0..0f3e5e2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -19,7 +19,7 @@ struct exynos_drm_manager;
void exynos_drm_encoder_setup(struct drm_device *dev);
struct drm_encoder *exynos_drm_encoder_create(struct drm_device *dev,
struct exynos_drm_manager *mgr,
- unsigned int possible_crtcs);
+ unsigned long possible_crtcs);
struct exynos_drm_manager *
exynos_drm_get_manager(struct drm_encoder *encoder);
void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index fcb0652..cff3aed 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -259,7 +259,7 @@ static void exynos_plane_attach_zpos_property(struct drm_plane *plane)
}
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned int possible_crtcs, bool priv)
+ unsigned long possible_crtcs, bool priv)
{
struct exynos_plane *exynos_plane;
int err;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h
index 8831245..84d464c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h
@@ -17,4 +17,4 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
void exynos_plane_commit(struct drm_plane *plane);
void exynos_plane_dpms(struct drm_plane *plane, int mode);
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned int possible_crtcs, bool priv);
+ unsigned long possible_crtcs, bool priv);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 13/34] drm/exynos: Split manager/display/subdrv
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (11 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 12/34] drm/exynos: Use unsigned long for possible_crtcs Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
` (23 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch splits display and manager from subdrv. The result is that
crtc functions can directly call into manager callbacks and encoder
functions can directly call into display callbacks. This will allow
us to remove the exynos_drm_hdmi shim and support mixer/hdmi & fimd/dp
with common code.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Pass display into display_ops instead of context
Changes in v3:
- Changed vidi args to exynos_drm_display instead of void
- Moved exynos_drm_hdmi.c removal into next patch
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_connector.c | 50 ++---
drivers/gpu/drm/exynos/exynos_drm_core.c | 181 +++++++++++++-----
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 115 +++++++++---
drivers/gpu/drm/exynos/exynos_drm_crtc.h | 20 +-
drivers/gpu/drm/exynos/exynos_drm_drv.c | 29 +--
drivers/gpu/drm/exynos/exynos_drm_drv.h | 106 +++++++----
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 258 ++++----------------------
drivers/gpu/drm/exynos/exynos_drm_encoder.h | 18 +-
drivers/gpu/drm/exynos/exynos_drm_fb.c | 4 +-
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 214 ++++++++++-----------
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 211 +++++++++------------
drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 2 +
drivers/gpu/drm/exynos/exynos_drm_plane.c | 15 +-
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 129 ++++++-------
14 files changed, 642 insertions(+), 710 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index ca270e2..9a16dbe 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -23,26 +23,20 @@
drm_connector)
struct exynos_drm_connector {
- struct drm_connector drm_connector;
- uint32_t encoder_id;
- struct exynos_drm_manager *manager;
+ struct drm_connector drm_connector;
+ uint32_t encoder_id;
+ struct exynos_drm_display *display;
};
static int exynos_drm_connector_get_modes(struct drm_connector *connector)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
+ struct exynos_drm_display *display = exynos_connector->display;
struct edid *edid = NULL;
unsigned int count = 0;
int ret;
- if (!display_ops) {
- DRM_DEBUG_KMS("display_ops is null.\n");
- return 0;
- }
-
/*
* if get_edid() exists then get_edid() callback of hdmi side
* is called to get edid data through i2c interface else
@@ -51,8 +45,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
* P.S. in case of lcd panel, count is always 1 if success
* because lcd panel has only one mode.
*/
- if (display_ops->get_edid) {
- edid = display_ops->get_edid(manager->dev, connector);
+ if (display->ops->get_edid) {
+ edid = display->ops->get_edid(display, connector);
if (IS_ERR_OR_NULL(edid)) {
ret = PTR_ERR(edid);
edid = NULL;
@@ -75,8 +69,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
return 0;
}
- if (display_ops->get_panel)
- panel = display_ops->get_panel(manager->dev);
+ if (display->ops->get_panel)
+ panel = display->ops->get_panel(display);
else {
drm_mode_destroy(connector->dev, mode);
return 0;
@@ -105,14 +99,13 @@ static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
+ struct exynos_drm_display *display = exynos_connector->display;
int ret = MODE_BAD;
DRM_DEBUG_KMS("%s\n", __FILE__);
- if (display_ops && display_ops->check_mode)
- if (!display_ops->check_mode(manager->dev, mode))
+ if (display->ops->check_mode)
+ if (!display->ops->check_mode(display, mode))
ret = MODE_OK;
return ret;
@@ -151,8 +144,7 @@ static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_manager_ops *ops = manager->ops;
+ struct exynos_drm_display *display = exynos_connector->display;
unsigned int width, height;
width = max_width;
@@ -162,8 +154,8 @@ static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
* if specific driver want to find desired_mode using maxmum
* resolution then get max width and height from that driver.
*/
- if (ops && ops->get_max_resol)
- ops->get_max_resol(manager, &width, &height);
+ if (display->ops->get_max_resol)
+ display->ops->get_max_resol(display, &width, &height);
return drm_helper_probe_single_connector_modes(connector, width,
height);
@@ -175,13 +167,11 @@ exynos_drm_connector_detect(struct drm_connector *connector, bool force)
{
struct exynos_drm_connector *exynos_connector =
to_exynos_connector(connector);
- struct exynos_drm_manager *manager = exynos_connector->manager;
- struct exynos_drm_display_ops *display_ops =
- manager->display_ops;
+ struct exynos_drm_display *display = exynos_connector->display;
enum drm_connector_status status = connector_status_disconnected;
- if (display_ops && display_ops->is_connected) {
- if (display_ops->is_connected(manager->dev))
+ if (display->ops->is_connected) {
+ if (display->ops->is_connected(display))
status = connector_status_connected;
else
status = connector_status_disconnected;
@@ -211,7 +201,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
struct drm_encoder *encoder)
{
struct exynos_drm_connector *exynos_connector;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+ struct exynos_drm_display *display = exynos_drm_get_display(encoder);
struct drm_connector *connector;
int type;
int err;
@@ -222,7 +212,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
connector = &exynos_connector->drm_connector;
- switch (manager->display_ops->type) {
+ switch (display->type) {
case EXYNOS_DISPLAY_TYPE_HDMI:
type = DRM_MODE_CONNECTOR_HDMIA;
connector->interlace_allowed = true;
@@ -245,7 +235,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
goto err_connector;
exynos_connector->encoder_id = encoder->base.id;
- exynos_connector->manager = manager;
+ exynos_connector->display = display;
connector->dpms = DRM_MODE_DPMS_OFF;
connector->encoder = encoder;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 08ca4f9..e76098d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -16,11 +16,14 @@
#include <drm/drmP.h>
#include <drm/bridge/ptn3460.h>
#include "exynos_drm_drv.h"
+#include "exynos_drm_crtc.h"
#include "exynos_drm_encoder.h"
#include "exynos_drm_connector.h"
#include "exynos_drm_fbdev.h"
static LIST_HEAD(exynos_drm_subdrv_list);
+static LIST_HEAD(exynos_drm_manager_list);
+static LIST_HEAD(exynos_drm_display_list);
struct bridge_init {
struct i2c_client *client;
@@ -57,24 +60,28 @@ static int exynos_drm_attach_lcd_bridge(struct drm_device *dev,
}
static int exynos_drm_create_enc_conn(struct drm_device *dev,
- struct exynos_drm_subdrv *subdrv)
+ struct exynos_drm_display *display)
{
struct drm_encoder *encoder;
struct drm_connector *connector;
+ struct exynos_drm_manager *manager;
int ret;
+ unsigned long possible_crtcs = 0;
- subdrv->manager->dev = subdrv->dev;
+ /* Find possible crtcs for this display */
+ list_for_each_entry(manager, &exynos_drm_manager_list, list)
+ if (manager->type == display->type)
+ possible_crtcs |= 1 << manager->pipe;
/* create and initialize a encoder for this sub driver. */
- encoder = exynos_drm_encoder_create(dev, subdrv->manager,
- (1 << MAX_CRTC) - 1);
+ encoder = exynos_drm_encoder_create(dev, display, possible_crtcs);
if (!encoder) {
DRM_ERROR("failed to create encoder\n");
return -EFAULT;
}
- subdrv->encoder = encoder;
+ display->encoder = encoder;
- if (subdrv->manager->display_ops->type == EXYNOS_DISPLAY_TYPE_LCD) {
+ if (display->type == EXYNOS_DISPLAY_TYPE_LCD) {
ret = exynos_drm_attach_lcd_bridge(dev, encoder);
if (ret)
return 0;
@@ -91,7 +98,7 @@ static int exynos_drm_create_enc_conn(struct drm_device *dev,
goto err_destroy_encoder;
}
- subdrv->connector = connector;
+ display->connector = connector;
return 0;
@@ -100,21 +107,6 @@ err_destroy_encoder:
return ret;
}
-static void exynos_drm_destroy_enc_conn(struct exynos_drm_subdrv *subdrv)
-{
- if (subdrv->encoder) {
- struct drm_encoder *encoder = subdrv->encoder;
- encoder->funcs->destroy(encoder);
- subdrv->encoder = NULL;
- }
-
- if (subdrv->connector) {
- struct drm_connector *connector = subdrv->connector;
- connector->funcs->destroy(connector);
- subdrv->connector = NULL;
- }
-}
-
static int exynos_drm_subdrv_probe(struct drm_device *dev,
struct exynos_drm_subdrv *subdrv)
{
@@ -146,10 +138,98 @@ static void exynos_drm_subdrv_remove(struct drm_device *dev,
subdrv->remove(dev, subdrv->dev);
}
+int exynos_drm_initialize_managers(struct drm_device *dev)
+{
+ struct exynos_drm_manager *manager, *n;
+ int ret, pipe = 0;
+
+ list_for_each_entry(manager, &exynos_drm_manager_list, list) {
+ if (manager->ops->initialize) {
+ ret = manager->ops->initialize(manager, dev, pipe);
+ if (ret) {
+ DRM_ERROR("Mgr init [%d] failed with %d\n",
+ manager->type, ret);
+ goto err;
+ }
+ }
+
+ manager->drm_dev = dev;
+ manager->pipe = pipe++;
+
+ ret = exynos_drm_crtc_create(manager);
+ if (ret) {
+ DRM_ERROR("CRTC create [%d] failed with %d\n",
+ manager->type, ret);
+ goto err;
+ }
+ }
+ return 0;
+
+err:
+ list_for_each_entry_safe(manager, n, &exynos_drm_manager_list, list) {
+ if (pipe-- > 0)
+ exynos_drm_manager_unregister(manager);
+ else
+ list_del(&manager->list);
+ }
+ return ret;
+}
+
+void exynos_drm_remove_managers(struct drm_device *dev)
+{
+ struct exynos_drm_manager *manager, *n;
+
+ list_for_each_entry_safe(manager, n, &exynos_drm_manager_list, list)
+ exynos_drm_manager_unregister(manager);
+}
+
+int exynos_drm_initialize_displays(struct drm_device *dev)
+{
+ struct exynos_drm_display *display, *n;
+ int ret, initialized = 0;
+
+ list_for_each_entry(display, &exynos_drm_display_list, list) {
+ if (display->ops->initialize) {
+ ret = display->ops->initialize(display, dev);
+ if (ret) {
+ DRM_ERROR("Display init [%d] failed with %d\n",
+ display->type, ret);
+ goto err;
+ }
+ }
+
+ initialized++;
+
+ ret = exynos_drm_create_enc_conn(dev, display);
+ if (ret) {
+ DRM_ERROR("Encoder create [%d] failed with %d\n",
+ display->type, ret);
+ goto err;
+ }
+ }
+ return 0;
+
+err:
+ list_for_each_entry_safe(display, n, &exynos_drm_display_list, list) {
+ if (initialized-- > 0)
+ exynos_drm_display_unregister(display);
+ else
+ list_del(&display->list);
+ }
+ return ret;
+}
+
+void exynos_drm_remove_displays(struct drm_device *dev)
+{
+ struct exynos_drm_display *display, *n;
+
+ list_for_each_entry_safe(display, n, &exynos_drm_display_list, list)
+ exynos_drm_display_unregister(display);
+}
+
int exynos_drm_device_register(struct drm_device *dev)
{
struct exynos_drm_subdrv *subdrv, *n;
- unsigned int fine_cnt = 0;
int err;
if (!dev)
@@ -162,30 +242,8 @@ int exynos_drm_device_register(struct drm_device *dev)
list_del(&subdrv->list);
continue;
}
-
- /*
- * if manager is null then it means that this sub driver
- * doesn't need encoder and connector.
- */
- if (!subdrv->manager) {
- fine_cnt++;
- continue;
- }
-
- err = exynos_drm_create_enc_conn(dev, subdrv);
- if (err) {
- DRM_DEBUG("failed to create encoder and connector.\n");
- exynos_drm_subdrv_remove(dev, subdrv);
- list_del(&subdrv->list);
- continue;
- }
-
- fine_cnt++;
}
- if (!fine_cnt)
- return -EINVAL;
-
return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_device_register);
@@ -201,13 +259,44 @@ int exynos_drm_device_unregister(struct drm_device *dev)
list_for_each_entry(subdrv, &exynos_drm_subdrv_list, list) {
exynos_drm_subdrv_remove(dev, subdrv);
- exynos_drm_destroy_enc_conn(subdrv);
}
return 0;
}
EXPORT_SYMBOL_GPL(exynos_drm_device_unregister);
+int exynos_drm_manager_register(struct exynos_drm_manager *manager)
+{
+ BUG_ON(!manager->ops);
+ list_add_tail(&manager->list, &exynos_drm_manager_list);
+ return 0;
+}
+
+int exynos_drm_manager_unregister(struct exynos_drm_manager *manager)
+{
+ if (manager->ops->remove)
+ manager->ops->remove(manager);
+
+ list_del(&manager->list);
+ return 0;
+}
+
+int exynos_drm_display_register(struct exynos_drm_display *display)
+{
+ BUG_ON(!display->ops);
+ list_add_tail(&display->list, &exynos_drm_display_list);
+ return 0;
+}
+
+int exynos_drm_display_unregister(struct exynos_drm_display *display)
+{
+ if (display->ops->remove)
+ display->ops->remove(display);
+
+ list_del(&display->list);
+ return 0;
+}
+
int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv)
{
if (!subdrv)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index ebc0150..347d62d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -33,6 +33,7 @@ enum exynos_crtc_mode {
*
* @drm_crtc: crtc object.
* @drm_plane: pointer of private plane object for this crtc
+ * @manager: the manager associated with this crtc
* @pipe: a crtc index created at load() with a new crtc object creation
* and the crtc object would be set to private->crtc array
* to get a crtc object corresponding to this pipe from private->crtc
@@ -46,6 +47,7 @@ enum exynos_crtc_mode {
struct exynos_drm_crtc {
struct drm_crtc drm_crtc;
struct drm_plane *plane;
+ struct exynos_drm_manager *manager;
unsigned int pipe;
unsigned int dpms;
enum exynos_crtc_mode mode;
@@ -56,6 +58,7 @@ struct exynos_drm_crtc {
static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
@@ -71,7 +74,9 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
drm_vblank_off(crtc->dev, exynos_crtc->pipe);
}
- exynos_drm_fn_encoder(crtc, &mode, exynos_drm_encoder_crtc_dpms);
+ if (manager->ops->dpms)
+ manager->ops->dpms(manager, mode);
+
exynos_crtc->dpms = mode;
}
@@ -83,9 +88,15 @@ static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+
exynos_plane_commit(exynos_crtc->plane);
+
+ if (manager->ops->commit)
+ manager->ops->commit(manager);
+
exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON);
}
@@ -107,7 +118,6 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_plane *plane = exynos_crtc->plane;
unsigned int crtc_w;
unsigned int crtc_h;
- int pipe = exynos_crtc->pipe;
int ret;
/*
@@ -127,8 +137,6 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
plane->crtc = crtc;
plane->fb = crtc->fb;
- exynos_drm_fn_encoder(crtc, &pipe, exynos_drm_encoder_crtc_pipe);
-
return 0;
}
@@ -318,21 +326,24 @@ static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc)
drm_object_attach_property(&crtc->base, prop, 0);
}
-int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
+int exynos_drm_crtc_create(struct exynos_drm_manager *manager)
{
struct exynos_drm_crtc *exynos_crtc;
- struct exynos_drm_private *private = dev->dev_private;
+ struct exynos_drm_private *private = manager->drm_dev->dev_private;
struct drm_crtc *crtc;
exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL);
if (!exynos_crtc)
return -ENOMEM;
- exynos_crtc->pipe = nr;
- exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
init_waitqueue_head(&exynos_crtc->pending_flip_queue);
atomic_set(&exynos_crtc->pending_flip, 0);
- exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true);
+
+ exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
+ exynos_crtc->manager = manager;
+ exynos_crtc->pipe = manager->pipe;
+ exynos_crtc->plane = exynos_plane_init(manager->drm_dev,
+ 1 << manager->pipe, true);
if (!exynos_crtc->plane) {
kfree(exynos_crtc);
return -ENOMEM;
@@ -340,9 +351,9 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
crtc = &exynos_crtc->drm_crtc;
- private->crtc[nr] = crtc;
+ private->crtc[manager->pipe] = crtc;
- drm_crtc_init(dev, crtc, &exynos_crtc_funcs);
+ drm_crtc_init(manager->drm_dev, crtc, &exynos_crtc_funcs);
drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
exynos_drm_crtc_attach_mode_property(crtc);
@@ -350,39 +361,41 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
return 0;
}
-int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc)
+int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
- to_exynos_crtc(private->crtc[crtc]);
+ to_exynos_crtc(private->crtc[pipe]);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
return -EPERM;
- exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
- exynos_drm_enable_vblank);
+ if (manager->ops->enable_vblank)
+ manager->ops->enable_vblank(manager);
return 0;
}
-void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc)
+void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
- to_exynos_crtc(private->crtc[crtc]);
+ to_exynos_crtc(private->crtc[pipe]);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
return;
- exynos_drm_fn_encoder(private->crtc[crtc], &crtc,
- exynos_drm_disable_vblank);
+ if (manager->ops->disable_vblank)
+ manager->ops->disable_vblank(manager);
}
-void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc)
+void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *dev_priv = dev->dev_private;
struct drm_pending_vblank_event *e, *t;
- struct drm_crtc *drm_crtc = dev_priv->crtc[crtc];
+ struct drm_crtc *drm_crtc = dev_priv->crtc[pipe];
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(drm_crtc);
unsigned long flags;
@@ -391,15 +404,71 @@ void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc)
list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list,
base.link) {
/* if event's pipe isn't same as crtc then ignore it. */
- if (crtc != e->pipe)
+ if (pipe != e->pipe)
continue;
list_del(&e->base.link);
drm_send_vblank_event(dev, -1, e);
- drm_vblank_put(dev, crtc);
+ drm_vblank_put(dev, pipe);
atomic_set(&exynos_crtc->pending_flip, 0);
wake_up(&exynos_crtc->pending_flip_queue);
}
spin_unlock_irqrestore(&dev->event_lock, flags);
}
+
+void exynos_drm_crtc_plane_mode_set(struct drm_crtc *crtc,
+ struct exynos_drm_overlay *overlay)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_mode_set)
+ manager->ops->win_mode_set(manager, overlay);
+}
+
+void exynos_drm_crtc_plane_commit(struct drm_crtc *crtc, int zpos)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_commit)
+ manager->ops->win_commit(manager, zpos);
+}
+
+void exynos_drm_crtc_plane_enable(struct drm_crtc *crtc, int zpos)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_enable)
+ manager->ops->win_enable(manager, zpos);
+}
+
+void exynos_drm_crtc_plane_disable(struct drm_crtc *crtc, int zpos)
+{
+ struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager;
+
+ if (manager->ops->win_disable)
+ manager->ops->win_disable(manager, zpos);
+}
+
+void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb)
+{
+ struct exynos_drm_manager *manager;
+ struct drm_device *dev = fb->dev;
+ struct drm_crtc *crtc;
+
+ /*
+ * make sure that overlay data are updated to real hardware
+ * for all encoders.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ manager = to_exynos_crtc(crtc)->manager;
+
+ /*
+ * wait for vblank interrupt
+ * - this makes sure that overlay data are updated to
+ * real hardware.
+ */
+ if (manager->ops->wait_for_vblank)
+ manager->ops->wait_for_vblank(manager);
+ }
+}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
index 3e197e6..c27b66c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
@@ -15,9 +15,21 @@
#ifndef _EXYNOS_DRM_CRTC_H_
#define _EXYNOS_DRM_CRTC_H_
-int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
-int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
-void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
-void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int crtc);
+struct drm_device;
+struct drm_crtc;
+struct exynos_drm_manager;
+struct exynos_drm_overlay;
+
+int exynos_drm_crtc_create(struct exynos_drm_manager *manager);
+int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe);
+void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe);
+void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe);
+void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb);
+
+void exynos_drm_crtc_plane_mode_set(struct drm_crtc *crtc,
+ struct exynos_drm_overlay *overlay);
+void exynos_drm_crtc_plane_commit(struct drm_crtc *crtc, int zpos);
+void exynos_drm_crtc_plane_enable(struct drm_crtc *crtc, int zpos);
+void exynos_drm_crtc_plane_disable(struct drm_crtc *crtc, int zpos);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 46e58b2..28e2cef 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -74,15 +74,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
exynos_drm_mode_config_init(dev);
- /*
- * EXYNOS4 is enough to have two CRTCs and each crtc would be used
- * without dependency of hardware.
- */
- for (nr = 0; nr < MAX_CRTC; nr++) {
- ret = exynos_drm_crtc_create(dev, nr);
- if (ret)
- goto err_release_iommu_mapping;
- }
+ ret = exynos_drm_initialize_managers(dev);
+ if (ret)
+ goto err_mode_config_cleanup;
for (nr = 0; nr < MAX_PLANE; nr++) {
struct drm_plane *plane;
@@ -90,12 +84,16 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
plane = exynos_plane_init(dev, possible_crtcs, false);
if (!plane)
- goto err_release_iommu_mapping;
+ goto err_manager_cleanup;
}
+ ret = exynos_drm_initialize_displays(dev);
+ if (ret)
+ goto err_manager_cleanup;
+
ret = drm_vblank_init(dev, MAX_CRTC);
if (ret)
- goto err_release_iommu_mapping;
+ goto err_display_cleanup;
/*
* probe sub drivers such as display controller and hdmi driver,
@@ -129,7 +127,12 @@ err_drm_device:
exynos_drm_device_unregister(dev);
err_vblank:
drm_vblank_cleanup(dev);
-err_release_iommu_mapping:
+err_display_cleanup:
+ exynos_drm_remove_displays(dev);
+err_manager_cleanup:
+ exynos_drm_remove_managers(dev);
+err_mode_config_cleanup:
+ drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
err_crtc:
drm_mode_config_cleanup(dev);
@@ -144,6 +147,8 @@ static int exynos_drm_unload(struct drm_device *dev)
exynos_drm_device_unregister(dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
+ exynos_drm_remove_displays(dev);
+ exynos_drm_remove_managers(dev);
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index cf65f65..4f03242 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -122,34 +122,68 @@ struct exynos_drm_overlay {
* Exynos DRM Display Structure.
* - this structure is common to analog tv, digital tv and lcd panel.
*
- * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
* @initialize: initializes the display with drm_dev
+ * @remove: cleans up the display for removal
* @is_connected: check for that display is connected or not.
+ * @get_max_resol: get maximum resolution to specific hardware.
* @get_edid: get edid modes from display driver.
* @get_panel: get panel object from display driver.
+ * @mode_fixup: fix mode data comparing to hw specific display mode.
+ * @mode_set: convert drm_display_mode to hw specific display mode and
+ * would be called by encoder->mode_set().
* @check_mode: check if mode is valid or not.
* @dpms: display device on or off.
+ * @commit: apply changes to hw
*/
+struct exynos_drm_display;
struct exynos_drm_display_ops {
+ int (*initialize)(struct exynos_drm_display *display,
+ struct drm_device *drm_dev);
+ void (*remove)(struct exynos_drm_display *display);
+ bool (*is_connected)(struct exynos_drm_display *display);
+ void (*get_max_resol)(struct exynos_drm_display *display,
+ unsigned int *width,
+ unsigned int *height);
+ struct edid *(*get_edid)(struct exynos_drm_display *display,
+ struct drm_connector *connector);
+ void *(*get_panel)(struct exynos_drm_display *display);
+ void (*mode_fixup)(struct exynos_drm_display *display,
+ struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ void (*mode_set)(struct exynos_drm_display *display,
+ struct drm_display_mode *mode);
+ int (*check_mode)(struct exynos_drm_display *display,
+ struct drm_display_mode *mode);
+ void (*dpms)(struct exynos_drm_display *display, int mode);
+ void (*commit)(struct exynos_drm_display *display);
+};
+
+/*
+ * Exynos drm display structure, maps 1:1 with an encoder/connector
+ *
+ * @list: the list entry for this manager
+ * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @encoder: encoder object this display maps to
+ * @connector: connector object this display maps to
+ * @ops: pointer to callbacks for exynos drm specific functionality
+ * @ctx: A pointer to the display's implementation specific context
+ */
+struct exynos_drm_display {
+ struct list_head list;
enum exynos_drm_output_type type;
- int (*initialize)(struct device *dev, struct drm_device *drm_dev);
- bool (*is_connected)(struct device *dev);
- struct edid *(*get_edid)(struct device *dev,
- struct drm_connector *connector);
- void *(*get_panel)(struct device *dev);
- int (*check_mode)(struct device *dev, struct drm_display_mode *mode);
- int (*dpms)(struct device *dev, int mode);
+ struct drm_encoder *encoder;
+ struct drm_connector *connector;
+ struct exynos_drm_display_ops *ops;
+ void *ctx;
};
/*
* Exynos drm manager ops
*
* @initialize: initializes the manager with drm_dev
+ * @remove: cleans up the manager for removal
* @dpms: control device power.
- * @mode_fixup: fix mode data comparing to hw specific display mode.
- * @mode_set: convert drm_display_mode to hw specific display mode and
- * would be called by encoder->mode_set().
- * @get_max_resol: get maximum resolution to specific hardware.
* @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
* @disable_vblank: specific driver callback for disabling vblank interrupt.
@@ -163,15 +197,9 @@ struct exynos_drm_display_ops {
struct exynos_drm_manager;
struct exynos_drm_manager_ops {
int (*initialize)(struct exynos_drm_manager *mgr,
- struct drm_device *drm_dev);
+ struct drm_device *drm_dev, int pipe);
+ void (*remove)(struct exynos_drm_manager *mgr);
void (*dpms)(struct exynos_drm_manager *mgr, int mode);
- void (*mode_fixup)(struct exynos_drm_manager *mgr,
- struct drm_connector *connector,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode);
- void (*mode_set)(struct exynos_drm_manager *mgr, void *mode);
- void (*get_max_resol)(struct exynos_drm_manager *mgr,
- unsigned int *width, unsigned int *height);
void (*commit)(struct exynos_drm_manager *mgr);
int (*enable_vblank)(struct exynos_drm_manager *mgr);
void (*disable_vblank)(struct exynos_drm_manager *mgr);
@@ -184,25 +212,21 @@ struct exynos_drm_manager_ops {
};
/*
- * Exynos drm common manager structure.
+ * Exynos drm common manager structure, maps 1:1 with a crtc
*
- * @dev: pointer to device object for subdrv device driver.
- * sub drivers such as display controller or hdmi driver,
- * have their own device object.
- * @ops: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control hardware global registers.
- * @display: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control display devices such as
- * analog tv, digital tv and lcd panel and also get timing data for them.
+ * @list: the list entry for this manager
+ * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @drm_dev: pointer to the drm device
+ * @pipe: the pipe number for this crtc/manager
+ * @ops: pointer to callbacks for exynos drm specific functionality
* @ctx: A pointer to the manager's implementation specific context
*/
struct exynos_drm_manager {
- struct device *dev;
+ struct list_head list;
+ enum exynos_drm_output_type type;
+ struct drm_device *drm_dev;
int pipe;
struct exynos_drm_manager_ops *ops;
- struct exynos_drm_display_ops *display_ops;
void *ctx;
};
@@ -268,14 +292,11 @@ struct exynos_drm_private {
* by probe callback.
* @open: this would be called with drm device file open.
* @close: this would be called with drm device file close.
- * @encoder: encoder object owned by this sub driver.
- * @connector: connector object owned by this sub driver.
*/
struct exynos_drm_subdrv {
struct list_head list;
struct device *dev;
struct drm_device *drm_dev;
- struct exynos_drm_manager *manager;
int (*probe)(struct drm_device *drm_dev, struct device *dev);
void (*remove)(struct drm_device *drm_dev, struct device *dev);
@@ -283,9 +304,6 @@ struct exynos_drm_subdrv {
struct drm_file *file);
void (*close)(struct drm_device *drm_dev, struct device *dev,
struct drm_file *file);
-
- struct drm_encoder *encoder;
- struct drm_connector *connector;
};
/*
@@ -300,6 +318,16 @@ int exynos_drm_device_register(struct drm_device *dev);
*/
int exynos_drm_device_unregister(struct drm_device *dev);
+int exynos_drm_initialize_managers(struct drm_device *dev);
+void exynos_drm_remove_managers(struct drm_device *dev);
+int exynos_drm_initialize_displays(struct drm_device *dev);
+void exynos_drm_remove_displays(struct drm_device *dev);
+
+int exynos_drm_manager_register(struct exynos_drm_manager *manager);
+int exynos_drm_manager_unregister(struct exynos_drm_manager *manager);
+int exynos_drm_display_register(struct exynos_drm_display *display);
+int exynos_drm_display_unregister(struct exynos_drm_display *display);
+
/*
* this function would be called by sub drivers such as display controller
* or hdmi driver to register this sub driver object to exynos drm driver
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index efe4e60..d4ae664 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -26,24 +26,23 @@
* exynos specific encoder structure.
*
* @drm_encoder: encoder object.
- * @manager: specific encoder has its own manager to control a hardware
- * appropriately and we can access a hardware drawing on this manager.
+ * @display: the display structure that maps to this encoder
*/
struct exynos_drm_encoder {
struct drm_crtc *old_crtc;
struct drm_encoder drm_encoder;
- struct exynos_drm_manager *manager;
+ struct exynos_drm_display *display;
};
static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
{
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_display_ops *display_ops = manager->display_ops;
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
- if (display_ops && display_ops->dpms)
- display_ops->dpms(manager->ctx, mode);
+ if (display->ops->dpms)
+ display->ops->dpms(display, mode);
}
static bool
@@ -52,15 +51,17 @@ exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
struct drm_connector *connector;
- struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder)
- if (manager_ops && manager_ops->mode_fixup)
- manager_ops->mode_fixup(manager, connector,
- mode, adjusted_mode);
+ if (connector->encoder != encoder)
+ continue;
+
+ if (display->ops->mode_fixup)
+ display->ops->mode_fixup(display, connector, mode,
+ adjusted_mode);
}
return true;
@@ -102,8 +103,7 @@ static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
{
struct drm_device *dev = encoder->dev;
struct drm_connector *connector;
- struct exynos_drm_manager *manager;
- struct exynos_drm_manager_ops *manager_ops;
+ struct exynos_drm_display *display;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->encoder == encoder) {
@@ -123,11 +123,11 @@ static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
encoder->crtc);
}
- manager = exynos_drm_get_manager(encoder);
- manager_ops = manager->ops;
+ display = exynos_encoder->display;
- if (manager_ops && manager_ops->mode_set)
- manager_ops->mode_set(manager, adjusted_mode);
+ if (display->ops->mode_set)
+ display->ops->mode_set(display,
+ adjusted_mode);
exynos_encoder->old_crtc = encoder->crtc;
}
@@ -142,39 +142,15 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
{
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_manager *manager = exynos_encoder->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
-
- if (manager_ops && manager_ops->commit)
- manager_ops->commit(manager);
-}
+ struct exynos_drm_display *display = exynos_encoder->display;
-void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb)
-{
- struct exynos_drm_encoder *exynos_encoder;
- struct exynos_drm_manager_ops *ops;
- struct drm_device *dev = fb->dev;
- struct drm_encoder *encoder;
+ if (display->ops->dpms)
+ display->ops->dpms(display, DRM_MODE_DPMS_ON);
- /*
- * make sure that overlay data are updated to real hardware
- * for all encoders.
- */
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- exynos_encoder = to_exynos_encoder(encoder);
- ops = exynos_encoder->manager->ops;
-
- /*
- * wait for vblank interrupt
- * - this makes sure that overlay data are updated to
- * real hardware.
- */
- if (ops->wait_for_vblank)
- ops->wait_for_vblank(exynos_encoder->manager);
- }
+ if (display->ops->commit)
+ display->ops->commit(display);
}
-
static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
{
struct drm_plane *plane;
@@ -200,10 +176,7 @@ static struct drm_encoder_helper_funcs exynos_encoder_helper_funcs = {
static void exynos_drm_encoder_destroy(struct drm_encoder *encoder)
{
- struct exynos_drm_encoder *exynos_encoder =
- to_exynos_encoder(encoder);
-
- exynos_encoder->manager->pipe = -1;
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
drm_encoder_cleanup(encoder);
kfree(exynos_encoder);
@@ -218,13 +191,12 @@ static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder)
struct drm_encoder *clone;
struct drm_device *dev = encoder->dev;
struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_display_ops *display_ops =
- exynos_encoder->manager->display_ops;
+ struct exynos_drm_display *display = exynos_encoder->display;
unsigned int clone_mask = 0;
int cnt = 0;
list_for_each_entry(clone, &dev->mode_config.encoder_list, head) {
- switch (display_ops->type) {
+ switch (display->type) {
case EXYNOS_DISPLAY_TYPE_LCD:
case EXYNOS_DISPLAY_TYPE_HDMI:
case EXYNOS_DISPLAY_TYPE_VIDI:
@@ -248,24 +220,20 @@ void exynos_drm_encoder_setup(struct drm_device *dev)
struct drm_encoder *
exynos_drm_encoder_create(struct drm_device *dev,
- struct exynos_drm_manager *manager,
+ struct exynos_drm_display *display,
unsigned long possible_crtcs)
{
struct drm_encoder *encoder;
struct exynos_drm_encoder *exynos_encoder;
- int ret;
- if (!manager || !possible_crtcs)
- return NULL;
-
- if (!manager->dev)
+ if (!possible_crtcs)
return NULL;
exynos_encoder = kzalloc(sizeof(*exynos_encoder), GFP_KERNEL);
if (!exynos_encoder)
return NULL;
- exynos_encoder->manager = manager;
+ exynos_encoder->display = display;
encoder = &exynos_encoder->drm_encoder;
encoder->possible_crtcs = possible_crtcs;
@@ -276,174 +244,12 @@ exynos_drm_encoder_create(struct drm_device *dev,
drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
- if (manager->ops && manager->ops->initialize) {
- ret = manager->ops->initialize(manager, dev);
- if (ret) {
- DRM_ERROR("Manager initialize failed %d\n", ret);
- goto error;
- }
- }
-
- if (manager->display_ops && manager->display_ops->initialize) {
- ret = manager->display_ops->initialize(manager->dev, dev);
- if (ret) {
- DRM_ERROR("Display initialize failed %d\n", ret);
- goto error;
- }
- }
-
DRM_DEBUG_KMS("encoder has been created\n");
return encoder;
-
-error:
- exynos_drm_encoder_destroy(&exynos_encoder->drm_encoder);
- return NULL;
}
-struct exynos_drm_manager *exynos_drm_get_manager(struct drm_encoder *encoder)
+struct exynos_drm_display *exynos_drm_get_display(struct drm_encoder *encoder)
{
- return to_exynos_encoder(encoder)->manager;
-}
-
-void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
- void (*fn)(struct drm_encoder *, void *))
-{
- struct drm_device *dev = crtc->dev;
- struct drm_encoder *encoder;
- struct exynos_drm_private *private = dev->dev_private;
- struct exynos_drm_manager *manager;
-
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- /*
- * if crtc is detached from encoder, check pipe,
- * otherwise check crtc attached to encoder
- */
- if (!encoder->crtc) {
- manager = to_exynos_encoder(encoder)->manager;
- if (manager->pipe < 0 ||
- private->crtc[manager->pipe] != crtc)
- continue;
- } else {
- if (encoder->crtc != crtc)
- continue;
- }
-
- fn(encoder, data);
- }
-}
-
-void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int crtc = *(int *)data;
-
- if (manager->pipe != crtc)
- return;
-
- if (manager_ops->enable_vblank)
- manager_ops->enable_vblank(manager);
-}
-
-void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int crtc = *(int *)data;
-
- if (manager->pipe != crtc)
- return;
-
- if (manager_ops->disable_vblank)
- manager_ops->disable_vblank(manager);
-}
-
-void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
- struct exynos_drm_manager *manager = exynos_encoder->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int mode = *(int *)data;
-
- if (manager_ops && manager_ops->dpms)
- manager_ops->dpms(manager, mode);
-
- /*
- * if this condition is ok then it means that the crtc is already
- * detached from encoder and last function for detaching is properly
- * done, so clear pipe from manager to prevent repeated call.
- */
- if (mode > DRM_MODE_DPMS_ON) {
- if (!encoder->crtc)
- manager->pipe = -1;
- }
-}
-
-void exynos_drm_encoder_crtc_pipe(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- int pipe = *(int *)data;
-
- /*
- * when crtc is detached from encoder, this pipe is used
- * to select manager operation
- */
- manager->pipe = pipe;
-}
-
-void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- struct exynos_drm_overlay *overlay = data;
-
- if (manager_ops && manager_ops->win_mode_set)
- manager_ops->win_mode_set(manager, overlay);
-}
-
-void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int zpos = DEFAULT_ZPOS;
-
- if (data)
- zpos = *(int *)data;
-
- if (manager_ops && manager_ops->win_commit)
- manager_ops->win_commit(manager, zpos);
-}
-
-void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int zpos = DEFAULT_ZPOS;
-
- if (data)
- zpos = *(int *)data;
-
- if (manager_ops && manager_ops->win_enable)
- manager_ops->win_enable(manager, zpos);
-}
-
-void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
-{
- struct exynos_drm_manager *manager =
- to_exynos_encoder(encoder)->manager;
- struct exynos_drm_manager_ops *manager_ops = manager->ops;
- int zpos = DEFAULT_ZPOS;
-
- if (data)
- zpos = *(int *)data;
-
- if (manager_ops && manager_ops->win_disable)
- manager_ops->win_disable(manager, zpos);
+ return to_exynos_encoder(encoder)->display;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index 0f3e5e2..b7a1620 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -18,20 +18,8 @@ struct exynos_drm_manager;
void exynos_drm_encoder_setup(struct drm_device *dev);
struct drm_encoder *exynos_drm_encoder_create(struct drm_device *dev,
- struct exynos_drm_manager *mgr,
- unsigned long possible_crtcs);
-struct exynos_drm_manager *
-exynos_drm_get_manager(struct drm_encoder *encoder);
-void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
- void (*fn)(struct drm_encoder *, void *));
-void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data);
-void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_crtc_pipe(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb);
+ struct exynos_drm_display *mgr,
+ unsigned long possible_crtcs);
+struct exynos_drm_display *exynos_drm_get_display(struct drm_encoder *encoder);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index ea39e0e..c7c08d0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -22,7 +22,7 @@
#include "exynos_drm_fb.h"
#include "exynos_drm_gem.h"
#include "exynos_drm_iommu.h"
-#include "exynos_drm_encoder.h"
+#include "exynos_drm_crtc.h"
#define to_exynos_fb(x) container_of(x, struct exynos_drm_fb, fb)
@@ -71,7 +71,7 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
unsigned int i;
/* make sure that overlay data are updated before relesing fb. */
- exynos_drm_encoder_complete_scanout(fb);
+ exynos_drm_crtc_complete_scanout(fb);
drm_framebuffer_cleanup(fb);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index ff1ba94..dc8c5e4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -105,7 +105,6 @@ struct fimd_win_data {
};
struct fimd_context {
- struct exynos_drm_subdrv subdrv;
struct device *dev;
struct drm_device *drm_dev;
int irq;
@@ -120,6 +119,7 @@ struct fimd_context {
u32 vidcon0;
u32 vidcon1;
bool suspended;
+ int pipe;
struct mutex lock;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
@@ -147,22 +147,22 @@ static inline struct fimd_driver_data *drm_fimd_get_driver_data(
return (struct fimd_driver_data *)of_id->data;
}
-static bool fimd_display_is_connected(struct device *dev)
+static bool fimd_display_is_connected(struct exynos_drm_display *display)
{
/* TODO. */
return true;
}
-static void *fimd_get_panel(struct device *dev)
+static void *fimd_get_panel(struct exynos_drm_display *display)
{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
- struct fimd_context *ctx = mgr->ctx;
+ struct fimd_context *ctx = display->ctx;
return &ctx->panel;
}
-static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode)
+static int fimd_check_mode(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
{
/* TODO. */
@@ -170,70 +170,55 @@ static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode)
}
static struct exynos_drm_display_ops fimd_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_LCD,
.is_connected = fimd_display_is_connected,
.get_panel = fimd_get_panel,
.check_mode = fimd_check_mode,
};
+static struct exynos_drm_display fimd_display = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &fimd_display_ops,
+};
+
static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
- struct drm_device *drm_dev)
+ struct drm_device *drm_dev, int pipe)
{
struct fimd_context *ctx = mgr->ctx;
ctx->drm_dev = drm_dev;
+ ctx->pipe = pipe;
- return 0;
-}
-
-static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
-{
- struct fimd_context *ctx = mgr->ctx;
-
- DRM_DEBUG_KMS("%d\n", mode);
+ /*
+ * enable drm irq mode.
+ * - with irq_enabled = true, we can use the vblank feature.
+ *
+ * P.S. note that we wouldn't use drm irq handler but
+ * just specific driver own one instead because
+ * drm framework supports only one irq handler.
+ */
+ drm_dev->irq_enabled = true;
- mutex_lock(&ctx->lock);
+ /*
+ * with vblank_disable_allowed = true, vblank interrupt will be disabled
+ * by drm timer once a current process gives up ownership of
+ * vblank event.(after drm_vblank_put function is called)
+ */
+ drm_dev->vblank_disable_allowed = true;
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /*
- * enable fimd hardware only if suspended status.
- *
- * P.S. fimd_dpms function would be called at booting time so
- * clk_enable could be called double time.
- */
- if (ctx->suspended)
- pm_runtime_get_sync(ctx->dev);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- if (!ctx->suspended)
- pm_runtime_put_sync(ctx->dev);
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
+ /* attach this sub driver to iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_attach_device(ctx->drm_dev, ctx->dev);
- mutex_unlock(&ctx->lock);
+ return 0;
}
-static void fimd_apply(struct exynos_drm_manager *mgr)
+static void fimd_mgr_remove(struct exynos_drm_manager *mgr)
{
struct fimd_context *ctx = mgr->ctx;
- struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct fimd_win_data *win_data;
- int i;
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
- mgr_ops->win_commit(mgr, i);
- }
-
- if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(mgr);
+ /* detach this sub driver from iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
}
static void fimd_commit(struct exynos_drm_manager *mgr)
@@ -661,8 +646,42 @@ static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos)
win_data->enabled = false;
}
+static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
+{
+ struct fimd_context *ctx = mgr->ctx;
+
+ DRM_DEBUG_KMS("%d\n", mode);
+
+ mutex_lock(&ctx->lock);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ /*
+ * enable fimd hardware only if suspended status.
+ *
+ * P.S. fimd_dpms function would be called at booting time so
+ * clk_enable could be called double time.
+ */
+ if (ctx->suspended)
+ pm_runtime_get_sync(ctx->dev);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ if (!ctx->suspended)
+ pm_runtime_put_sync(ctx->dev);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
+ }
+
+ mutex_unlock(&ctx->lock);
+}
+
static struct exynos_drm_manager_ops fimd_manager_ops = {
.initialize = fimd_mgr_initialize,
+ .remove = fimd_mgr_remove,
.dpms = fimd_dpms,
.commit = fimd_commit,
.enable_vblank = fimd_enable_vblank,
@@ -674,16 +693,13 @@ static struct exynos_drm_manager_ops fimd_manager_ops = {
};
static struct exynos_drm_manager fimd_manager = {
- .pipe = -1,
- .ops = &fimd_manager_ops,
- .display_ops = &fimd_display_ops,
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &fimd_manager_ops,
};
static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
{
struct fimd_context *ctx = (struct fimd_context *)dev_id;
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
u32 val;
val = readl(ctx->regs + VIDINTCON1);
@@ -693,11 +709,11 @@ static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
/* check the crtc is detached already from encoder */
- if (manager->pipe < 0 || !ctx->drm_dev)
+ if (ctx->pipe < 0 || !ctx->drm_dev)
goto out;
- drm_handle_vblank(ctx->drm_dev, manager->pipe);
- exynos_drm_crtc_finish_pageflip(ctx->drm_dev, manager->pipe);
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
/* set wait vsync event to zero and wake up queue. */
if (atomic_read(&ctx->wait_vsync_event)) {
@@ -708,39 +724,6 @@ out:
return IRQ_HANDLED;
}
-static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
-{
- /*
- * enable drm irq mode.
- * - with irq_enabled = true, we can use the vblank feature.
- *
- * P.S. note that we wouldn't use drm irq handler but
- * just specific driver own one instead because
- * drm framework supports only one irq handler.
- */
- drm_dev->irq_enabled = true;
-
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = true;
-
- /* attach this sub driver to iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_attach_device(drm_dev, dev);
-
- return 0;
-}
-
-static void fimd_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- /* detach this sub driver from iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_detach_device(drm_dev, dev);
-}
-
static int fimd_configure_clocks(struct fimd_context *ctx, struct device *dev)
{
struct videomode *vm = &ctx->panel.vm;
@@ -826,9 +809,8 @@ static int fimd_clock(struct fimd_context *ctx, bool enable)
return 0;
}
-static void fimd_window_suspend(struct device *dev)
+static void fimd_window_suspend(struct exynos_drm_manager *mgr)
{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
@@ -841,9 +823,8 @@ static void fimd_window_suspend(struct device *dev)
fimd_wait_for_vblank(mgr);
}
-static void fimd_window_resume(struct device *dev)
+static void fimd_window_resume(struct exynos_drm_manager *mgr)
{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
@@ -855,10 +836,24 @@ static void fimd_window_resume(struct device *dev)
}
}
+static void fimd_apply(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
+
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ if (win_data->enabled)
+ fimd_win_commit(mgr, i);
+ }
+
+ fimd_commit(mgr);
+}
+
static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
{
struct fimd_context *ctx = mgr->ctx;
- struct device *dev = ctx->subdrv.dev;
if (enable) {
int ret;
@@ -873,11 +868,11 @@ static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
if (test_and_clear_bit(0, &ctx->irq_flags))
fimd_enable_vblank(mgr);
- fimd_window_resume(dev);
+ fimd_window_resume(mgr);
fimd_apply(mgr);
} else {
- fimd_window_suspend(dev);
+ fimd_window_suspend(mgr);
fimd_clock(ctx, false);
ctx->suspended = true;
@@ -914,7 +909,6 @@ static int fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimd_context *ctx;
- struct exynos_drm_subdrv *subdrv;
struct resource *res;
int win;
int ret = -EINVAL;
@@ -961,27 +955,22 @@ static int fimd_probe(struct platform_device *pdev)
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- fimd_manager.ctx = ctx;
-
- subdrv = &ctx->subdrv;
-
- subdrv->dev = dev;
- subdrv->manager = &fimd_manager;
- subdrv->probe = fimd_subdrv_probe;
- subdrv->remove = fimd_subdrv_remove;
-
mutex_init(&ctx->lock);
platform_set_drvdata(pdev, &fimd_manager);
+ fimd_manager.ctx = ctx;
+ exynos_drm_manager_register(&fimd_manager);
+
+ fimd_display.ctx = ctx;
+ exynos_drm_display_register(&fimd_display);
+
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
for (win = 0; win < WINDOWS_NR; win++)
fimd_clear_win(ctx, win);
- exynos_drm_subdrv_register(subdrv);
-
return 0;
}
@@ -991,7 +980,8 @@ static int fimd_remove(struct platform_device *pdev)
struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
struct fimd_context *ctx = mgr->ctx;
- exynos_drm_subdrv_unregister(&ctx->subdrv);
+ exynos_drm_display_unregister(&fimd_display);
+ exynos_drm_manager_unregister(&fimd_manager);
if (ctx->suspended)
goto out;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index f9a9324..b0b09b2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -23,11 +23,6 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_hdmi.h"
-#define to_context(dev) platform_get_drvdata(to_platform_device(dev))
-#define to_subdrv(dev) to_context(dev)
-#define get_ctx_from_subdrv(subdrv) container_of(subdrv,\
- struct drm_hdmi_context, subdrv);
-
/* platform device pointer for common drm hdmi device. */
static struct platform_device *exynos_drm_hdmi_pdev;
@@ -41,7 +36,6 @@ static struct exynos_hdmi_ops *hdmi_ops;
static struct exynos_mixer_ops *mixer_ops;
struct drm_hdmi_context {
- struct exynos_drm_subdrv subdrv;
struct exynos_drm_hdmi_context *hdmi_ctx;
struct exynos_drm_hdmi_context *mixer_ctx;
@@ -97,10 +91,10 @@ void exynos_mixer_ops_register(struct exynos_mixer_ops *ops)
mixer_ops = ops;
}
-static int drm_hdmi_display_initialize(struct device *dev,
+static int drm_hdmi_display_initialize(struct exynos_drm_display *display,
struct drm_device *drm_dev)
{
- struct drm_hdmi_context *ctx = to_context(dev);
+ struct drm_hdmi_context *ctx = display->ctx;
if (hdmi_ops && hdmi_ops->initialize)
return hdmi_ops->initialize(ctx->hdmi_ctx->ctx, drm_dev);
@@ -109,9 +103,9 @@ static int drm_hdmi_display_initialize(struct device *dev,
}
-static bool drm_hdmi_is_connected(struct device *dev)
+static bool drm_hdmi_is_connected(struct exynos_drm_display *display)
{
- struct drm_hdmi_context *ctx = to_context(dev);
+ struct drm_hdmi_context *ctx = display->ctx;
if (hdmi_ops && hdmi_ops->is_connected)
return hdmi_ops->is_connected(ctx->hdmi_ctx->ctx);
@@ -119,10 +113,10 @@ static bool drm_hdmi_is_connected(struct device *dev)
return false;
}
-static struct edid *drm_hdmi_get_edid(struct device *dev,
+static struct edid *drm_hdmi_get_edid(struct exynos_drm_display *display,
struct drm_connector *connector)
{
- struct drm_hdmi_context *ctx = to_context(dev);
+ struct drm_hdmi_context *ctx = display->ctx;
if (hdmi_ops && hdmi_ops->get_edid)
return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector);
@@ -151,68 +145,28 @@ static int drm_hdmi_check_mode_ctx(struct drm_hdmi_context *ctx,
return 0;
}
-static int drm_hdmi_check_mode(struct device *dev,
+static int drm_hdmi_check_mode(struct exynos_drm_display *display,
struct drm_display_mode *mode)
{
- struct drm_hdmi_context *ctx = to_context(dev);
+ struct drm_hdmi_context *ctx = display->ctx;
return drm_hdmi_check_mode_ctx(ctx, mode);
}
-static int drm_hdmi_display_dpms(struct device *dev, int mode)
+static void drm_hdmi_display_dpms(struct exynos_drm_display *display, int mode)
{
- struct drm_hdmi_context *ctx = to_context(dev);
+ struct drm_hdmi_context *ctx = display->ctx;
if (hdmi_ops && hdmi_ops->dpms)
hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
-
- return 0;
}
-static struct exynos_drm_display_ops drm_hdmi_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_HDMI,
- .initialize = drm_hdmi_display_initialize,
- .is_connected = drm_hdmi_is_connected,
- .get_edid = drm_hdmi_get_edid,
- .check_mode = drm_hdmi_check_mode,
- .dpms = drm_hdmi_display_dpms,
-};
-
-static int drm_hdmi_enable_vblank(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
-
- if (mixer_ops && mixer_ops->enable_vblank)
- return mixer_ops->enable_vblank(ctx->mixer_ctx->ctx,
- manager->pipe);
-
- return 0;
-}
-
-static void drm_hdmi_disable_vblank(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->disable_vblank)
- return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
-}
-
-static void drm_hdmi_wait_for_vblank(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->wait_for_vblank)
- mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
-}
-
-static void drm_hdmi_mode_fixup(struct exynos_drm_manager *mgr,
+static void drm_hdmi_mode_fixup(struct exynos_drm_display *display,
struct drm_connector *connector,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- struct drm_hdmi_context *ctx = mgr->ctx;
+ struct drm_hdmi_context *ctx = display->ctx;
struct drm_display_mode *m;
int mode_ok;
@@ -252,23 +206,66 @@ static void drm_hdmi_mode_fixup(struct exynos_drm_manager *mgr,
}
}
-static void drm_hdmi_mode_set(struct exynos_drm_manager *mgr, void *mode)
+static void drm_hdmi_mode_set(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
{
- struct drm_hdmi_context *ctx = mgr->ctx;
+ struct drm_hdmi_context *ctx = display->ctx;
if (hdmi_ops && hdmi_ops->mode_set)
hdmi_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
}
-static void drm_hdmi_get_max_resol(struct exynos_drm_manager *mgr,
+static void drm_hdmi_get_max_resol(struct exynos_drm_display *display,
unsigned int *width, unsigned int *height)
{
- struct drm_hdmi_context *ctx = mgr->ctx;
+ struct drm_hdmi_context *ctx = display->ctx;
if (hdmi_ops && hdmi_ops->get_max_resol)
hdmi_ops->get_max_resol(ctx->hdmi_ctx->ctx, width, height);
}
+static struct exynos_drm_display_ops drm_hdmi_display_ops = {
+ .initialize = drm_hdmi_display_initialize,
+ .is_connected = drm_hdmi_is_connected,
+ .get_edid = drm_hdmi_get_edid,
+ .check_mode = drm_hdmi_check_mode,
+ .dpms = drm_hdmi_display_dpms,
+ .mode_fixup = drm_hdmi_mode_fixup,
+ .mode_set = drm_hdmi_mode_set,
+ .get_max_resol = drm_hdmi_get_max_resol,
+};
+
+static struct exynos_drm_display hdmi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_HDMI,
+ .ops = &drm_hdmi_display_ops,
+};
+
+static int drm_hdmi_enable_vblank(struct exynos_drm_manager *mgr)
+{
+ struct drm_hdmi_context *ctx = mgr->ctx;
+
+ if (mixer_ops && mixer_ops->enable_vblank)
+ return mixer_ops->enable_vblank(ctx->mixer_ctx->ctx, mgr->pipe);
+
+ return 0;
+}
+
+static void drm_hdmi_disable_vblank(struct exynos_drm_manager *mgr)
+{
+ struct drm_hdmi_context *ctx = mgr->ctx;
+
+ if (mixer_ops && mixer_ops->disable_vblank)
+ return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
+}
+
+static void drm_hdmi_wait_for_vblank(struct exynos_drm_manager *mgr)
+{
+ struct drm_hdmi_context *ctx = mgr->ctx;
+
+ if (mixer_ops && mixer_ops->wait_for_vblank)
+ mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
+}
+
static void drm_hdmi_commit(struct exynos_drm_manager *mgr)
{
struct drm_hdmi_context *ctx = mgr->ctx;
@@ -277,11 +274,25 @@ static void drm_hdmi_commit(struct exynos_drm_manager *mgr)
hdmi_ops->commit(ctx->hdmi_ctx->ctx);
}
-static int drm_hdmi_mgr_initialize(struct exynos_drm_manager *mgr, struct drm_device *drm_dev)
+static int drm_hdmi_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
{
struct drm_hdmi_context *ctx = mgr->ctx;
int ret = 0;
+ if (!hdmi_ctx) {
+ DRM_ERROR("hdmi context not initialized.\n");
+ return -EFAULT;
+ }
+
+ if (!mixer_ctx) {
+ DRM_ERROR("mixer context not initialized.\n");
+ return -EFAULT;
+ }
+
+ ctx->hdmi_ctx = hdmi_ctx;
+ ctx->mixer_ctx = mixer_ctx;
+
if (mixer_ops && mixer_ops->initialize)
ret = mixer_ops->initialize(ctx->mixer_ctx->ctx, drm_dev);
@@ -291,6 +302,14 @@ static int drm_hdmi_mgr_initialize(struct exynos_drm_manager *mgr, struct drm_de
return ret;
}
+static void drm_hdmi_mgr_remove(struct exynos_drm_manager *mgr)
+{
+ struct drm_hdmi_context *ctx = mgr->ctx;
+
+ if (mixer_ops->iommu_on)
+ mixer_ops->iommu_on(ctx->mixer_ctx->ctx, false);
+}
+
static void drm_hdmi_dpms(struct exynos_drm_manager *mgr, int mode)
{
struct drm_hdmi_context *ctx = mgr->ctx;
@@ -345,13 +364,11 @@ static void drm_mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
.initialize = drm_hdmi_mgr_initialize,
+ .remove = drm_hdmi_mgr_remove,
.dpms = drm_hdmi_dpms,
.enable_vblank = drm_hdmi_enable_vblank,
.disable_vblank = drm_hdmi_disable_vblank,
.wait_for_vblank = drm_hdmi_wait_for_vblank,
- .mode_fixup = drm_hdmi_mode_fixup,
- .mode_set = drm_hdmi_mode_set,
- .get_max_resol = drm_hdmi_get_max_resol,
.commit = drm_hdmi_commit,
.win_mode_set = drm_mixer_win_mode_set,
.win_commit = drm_mixer_win_commit,
@@ -359,55 +376,13 @@ static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
};
static struct exynos_drm_manager hdmi_manager = {
- .pipe = -1,
+ .type = EXYNOS_DISPLAY_TYPE_HDMI,
.ops = &drm_hdmi_manager_ops,
- .display_ops = &drm_hdmi_display_ops,
};
-static int hdmi_subdrv_probe(struct drm_device *drm_dev,
- struct device *dev)
-{
- struct exynos_drm_subdrv *subdrv = to_subdrv(dev);
- struct drm_hdmi_context *ctx;
-
- if (!hdmi_ctx) {
- DRM_ERROR("hdmi context not initialized.\n");
- return -EFAULT;
- }
-
- if (!mixer_ctx) {
- DRM_ERROR("mixer context not initialized.\n");
- return -EFAULT;
- }
-
- ctx = get_ctx_from_subdrv(subdrv);
-
- if (!ctx) {
- DRM_ERROR("no drm hdmi context.\n");
- return -EFAULT;
- }
-
- ctx->hdmi_ctx = hdmi_ctx;
- ctx->mixer_ctx = mixer_ctx;
-
- return 0;
-}
-
-static void hdmi_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- struct drm_hdmi_context *ctx;
- struct exynos_drm_subdrv *subdrv = to_subdrv(dev);
-
- ctx = get_ctx_from_subdrv(subdrv);
-
- if (mixer_ops->iommu_on)
- mixer_ops->iommu_on(ctx->mixer_ctx->ctx, false);
-}
-
static int exynos_drm_hdmi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct exynos_drm_subdrv *subdrv;
struct drm_hdmi_context *ctx;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
@@ -415,26 +390,18 @@ static int exynos_drm_hdmi_probe(struct platform_device *pdev)
return -ENOMEM;
hdmi_manager.ctx = ctx;
+ hdmi_display.ctx = ctx;
- subdrv = &ctx->subdrv;
-
- subdrv->dev = dev;
- subdrv->manager = &hdmi_manager;
- subdrv->probe = hdmi_subdrv_probe;
- subdrv->remove = hdmi_subdrv_remove;
-
- platform_set_drvdata(pdev, subdrv);
-
- exynos_drm_subdrv_register(subdrv);
+ exynos_drm_manager_register(&hdmi_manager);
+ exynos_drm_display_register(&hdmi_display);
return 0;
}
static int exynos_drm_hdmi_remove(struct platform_device *pdev)
{
- struct drm_hdmi_context *ctx = platform_get_drvdata(pdev);
-
- exynos_drm_subdrv_unregister(&ctx->subdrv);
+ exynos_drm_display_unregister(&hdmi_display);
+ exynos_drm_manager_unregister(&hdmi_manager);
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index 923239b..37059ea 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -19,10 +19,12 @@
* exynos hdmi common context structure.
*
* @drm_dev: pointer to drm_device.
+ * @pipe: pipe for mixer
* @ctx: pointer to the context of specific device driver.
* this context should be hdmi_context or mixer_context.
*/
struct exynos_drm_hdmi_context {
+ int pipe;
void *ctx;
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index cff3aed..e0db2b3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -13,7 +13,7 @@
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
-#include "exynos_drm_encoder.h"
+#include "exynos_drm_crtc.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_gem.h"
#include "exynos_drm_plane.h"
@@ -139,7 +139,7 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
overlay->crtc_x, overlay->crtc_y,
overlay->crtc_width, overlay->crtc_height);
- exynos_drm_fn_encoder(crtc, overlay, exynos_drm_encoder_plane_mode_set);
+ exynos_drm_crtc_plane_mode_set(crtc, overlay);
return 0;
}
@@ -149,8 +149,7 @@ void exynos_plane_commit(struct drm_plane *plane)
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_overlay *overlay = &exynos_plane->overlay;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_commit);
+ exynos_drm_crtc_plane_commit(plane->crtc, overlay->zpos);
}
void exynos_plane_dpms(struct drm_plane *plane, int mode)
@@ -162,17 +161,13 @@ void exynos_plane_dpms(struct drm_plane *plane, int mode)
if (exynos_plane->enabled)
return;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_enable);
-
+ exynos_drm_crtc_plane_enable(plane->crtc, overlay->zpos);
exynos_plane->enabled = true;
} else {
if (!exynos_plane->enabled)
return;
- exynos_drm_fn_encoder(plane->crtc, &overlay->zpos,
- exynos_drm_encoder_plane_disable);
-
+ exynos_drm_crtc_plane_disable(plane->crtc, overlay->zpos);
exynos_plane->enabled = false;
}
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 8d1fdc4..f6f4438 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -45,7 +45,7 @@ struct vidi_win_data {
};
struct vidi_context {
- struct exynos_drm_subdrv subdrv;
+ struct drm_device *drm_dev;
struct drm_crtc *crtc;
struct vidi_win_data win_data[WINDOWS_NR];
struct edid *raw_edid;
@@ -58,6 +58,7 @@ struct vidi_context {
bool direct_vblank;
struct work_struct work;
struct mutex lock;
+ int pipe;
};
static const char fake_edid_info[] = {
@@ -85,10 +86,9 @@ static const char fake_edid_info[] = {
0x00, 0x00, 0x00, 0x06
};
-static bool vidi_display_is_connected(struct device *dev)
+static bool vidi_display_is_connected(struct exynos_drm_display *display)
{
- struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
- struct vidi_context *ctx = mgr->ctx;
+ struct vidi_context *ctx = display->ctx;
/*
* connection request would come from user side
@@ -97,11 +97,10 @@ static bool vidi_display_is_connected(struct device *dev)
return ctx->connected ? true : false;
}
-static struct edid *vidi_get_edid(struct device *dev,
+static struct edid *vidi_get_edid(struct exynos_drm_display *display,
struct drm_connector *connector)
{
- struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
- struct vidi_context *ctx = mgr->ctx;
+ struct vidi_context *ctx = display->ctx;
struct edid *edid;
/*
@@ -122,14 +121,8 @@ static struct edid *vidi_get_edid(struct device *dev,
return edid;
}
-static void *vidi_get_panel(struct device *dev)
-{
- /* TODO. */
-
- return NULL;
-}
-
-static int vidi_check_mode(struct device *dev, struct drm_display_mode *mode)
+static int vidi_check_mode(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
{
/* TODO. */
@@ -137,13 +130,16 @@ static int vidi_check_mode(struct device *dev, struct drm_display_mode *mode)
}
static struct exynos_drm_display_ops vidi_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_VIDI,
.is_connected = vidi_display_is_connected,
.get_edid = vidi_get_edid,
- .get_panel = vidi_get_panel,
.check_mode = vidi_check_mode,
};
+static struct exynos_drm_display vidi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_VIDI,
+ .ops = &vidi_display_ops,
+};
+
static void vidi_dpms(struct exynos_drm_manager *mgr, int mode)
{
struct vidi_context *ctx = mgr->ctx;
@@ -323,7 +319,38 @@ static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
/* TODO. */
}
+static int vidi_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
+{
+ struct vidi_context *ctx = mgr->ctx;
+
+ DRM_ERROR("vidi initialize ct=%p dev=%p pipe=%d\n", ctx, drm_dev, pipe);
+
+ ctx->drm_dev = drm_dev;
+ ctx->pipe = pipe;
+
+ /*
+ * enable drm irq mode.
+ * - with irq_enabled = 1, we can use the vblank feature.
+ *
+ * P.S. note that we wouldn't use drm irq handler but
+ * just specific driver own one instead because
+ * drm framework supports only one irq handler.
+ */
+ drm_dev->irq_enabled = 1;
+
+ /*
+ * with vblank_disable_allowed = 1, vblank interrupt will be disabled
+ * by drm timer once a current process gives up ownership of
+ * vblank event.(after drm_vblank_put function is called)
+ */
+ drm_dev->vblank_disable_allowed = 1;
+
+ return 0;
+}
+
static struct exynos_drm_manager_ops vidi_manager_ops = {
+ .initialize = vidi_mgr_initialize,
.dpms = vidi_dpms,
.commit = vidi_commit,
.enable_vblank = vidi_enable_vblank,
@@ -334,19 +361,16 @@ static struct exynos_drm_manager_ops vidi_manager_ops = {
};
static struct exynos_drm_manager vidi_manager = {
- .pipe = -1,
- .ops = &vidi_manager_ops,
- .display_ops = &vidi_display_ops,
+ .type = EXYNOS_DISPLAY_TYPE_VIDI,
+ .ops = &vidi_manager_ops,
};
static void vidi_fake_vblank_handler(struct work_struct *work)
{
struct vidi_context *ctx = container_of(work, struct vidi_context,
work);
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
- if (manager->pipe < 0)
+ if (ctx->pipe < 0)
return;
/* refresh rate is about 50Hz. */
@@ -355,7 +379,7 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
mutex_lock(&ctx->lock);
if (ctx->direct_vblank) {
- drm_handle_vblank(subdrv->drm_dev, manager->pipe);
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
ctx->direct_vblank = false;
mutex_unlock(&ctx->lock);
return;
@@ -363,34 +387,7 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
mutex_unlock(&ctx->lock);
- exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe);
-}
-
-static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
-{
- /*
- * enable drm irq mode.
- * - with irq_enabled = true, we can use the vblank feature.
- *
- * P.S. note that we wouldn't use drm irq handler but
- * just specific driver own one instead because
- * drm framework supports only one irq handler.
- */
- drm_dev->irq_enabled = true;
-
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = true;
-
- return 0;
-}
-
-static void vidi_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- /* TODO. */
+ exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
}
static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable)
@@ -460,7 +457,7 @@ static int vidi_store_connection(struct device *dev,
DRM_DEBUG_KMS("requested connection.\n");
- drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
+ drm_helper_hpd_irq_event(ctx->drm_dev);
return len;
}
@@ -473,8 +470,7 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
{
struct vidi_context *ctx = NULL;
struct drm_encoder *encoder;
- struct exynos_drm_manager *manager;
- struct exynos_drm_display_ops *display_ops;
+ struct exynos_drm_display *display;
struct drm_exynos_vidi_connection *vidi = data;
if (!vidi) {
@@ -489,11 +485,10 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
list_for_each_entry(encoder, &drm_dev->mode_config.encoder_list,
head) {
- manager = exynos_drm_get_manager(encoder);
- display_ops = manager->display_ops;
+ display = exynos_drm_get_display(encoder);
- if (display_ops->type == EXYNOS_DISPLAY_TYPE_VIDI) {
- ctx = manager->ctx;
+ if (display->type == EXYNOS_DISPLAY_TYPE_VIDI) {
+ ctx = display->ctx;
break;
}
}
@@ -532,7 +527,7 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
}
ctx->connected = vidi->connection;
- drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
+ drm_helper_hpd_irq_event(ctx->drm_dev);
return 0;
}
@@ -541,7 +536,6 @@ static int vidi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct vidi_context *ctx;
- struct exynos_drm_subdrv *subdrv;
int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
@@ -553,12 +547,7 @@ static int vidi_probe(struct platform_device *pdev)
INIT_WORK(&ctx->work, vidi_fake_vblank_handler);
vidi_manager.ctx = ctx;
-
- subdrv = &ctx->subdrv;
- subdrv->dev = dev;
- subdrv->manager = &vidi_manager;
- subdrv->probe = vidi_subdrv_probe;
- subdrv->remove = vidi_subdrv_remove;
+ vidi_display.ctx = ctx;
mutex_init(&ctx->lock);
@@ -568,7 +557,8 @@ static int vidi_probe(struct platform_device *pdev)
if (ret < 0)
DRM_INFO("failed to create connection sysfs.\n");
- exynos_drm_subdrv_register(subdrv);
+ exynos_drm_manager_register(&vidi_manager);
+ exynos_drm_display_register(&vidi_display);
return 0;
}
@@ -577,7 +567,8 @@ static int vidi_remove(struct platform_device *pdev)
{
struct vidi_context *ctx = platform_get_drvdata(pdev);
- exynos_drm_subdrv_unregister(&ctx->subdrv);
+ exynos_drm_display_unregister(&vidi_display);
+ exynos_drm_manager_unregister(&vidi_manager);
if (ctx->raw_edid != (struct edid *)fake_edid_info) {
kfree(ctx->raw_edid);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (12 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 13/34] drm/exynos: Split manager/display/subdrv Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-02-08 2:52 ` Tomasz Figa
` (2 more replies)
2014-01-30 21:19 ` [PATCH v4 15/34] ARM: dts: exynos: Add i2c phandles to hdmi node Sean Paul
` (22 subsequent siblings)
36 siblings, 3 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
From: Daniel Kurtz <djkurtz@chromium.org>
The i2c client was previously being passed into the hdmi driver via a
dedicated i2c driver, and then a global variable. This patch removes all
of that and just uses the device tree to get the i2c_client. This patch
also properly references the client so we don't lose it before we're
done with it.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
[seanpaul changed to phandle lookup instead of using of node name]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Change include to linux/i2c.h instead of linux/of_i2c.h
Changes in v3: None
Changes in v4:
- Changed to find phy via phandle instead of by name
.../devicetree/bindings/video/exynos_hdmi.txt | 5 ++
drivers/gpu/drm/exynos/Makefile | 1 -
drivers/gpu/drm/exynos/exynos_ddc.c | 63 ---------------------
drivers/gpu/drm/exynos/exynos_hdmi.c | 59 +++++++++-----------
drivers/gpu/drm/exynos/exynos_hdmi.h | 23 --------
drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65 ----------------------
6 files changed, 32 insertions(+), 184 deletions(-)
delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
index 50decf8..f9187a2 100644
--- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
+++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
@@ -25,6 +25,9 @@ Required properties:
sclk_pixel.
- clock-names: aliases as per driver requirements for above clock IDs:
"hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
+- ddc: phandle to the hdmi ddc node
+- phy: phandle to the hdmi phy node
+
Example:
hdmi {
@@ -32,4 +35,6 @@ Example:
reg = <0x14530000 0x100000>;
interrupts = <0 95 0>;
hpd-gpio = <&gpx3 7 1>;
+ ddc = <&hdmi_ddc_node>;
+ phy = <&hdmi_phy_node>;
};
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index 639b49e..819961a 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -12,7 +12,6 @@ exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o
exynosdrm-$(CONFIG_DRM_EXYNOS_DMABUF) += exynos_drm_dmabuf.o
exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o \
- exynos_ddc.o exynos_hdmiphy.o \
exynos_drm_hdmi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_G2D) += exynos_drm_g2d.o
diff --git a/drivers/gpu/drm/exynos/exynos_ddc.c b/drivers/gpu/drm/exynos/exynos_ddc.c
deleted file mode 100644
index 6a8c84e..0000000
--- a/drivers/gpu/drm/exynos/exynos_ddc.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * Authors:
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- * Inki Dae <inki.dae@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <drm/drmP.h>
-
-#include <linux/kernel.h>
-#include <linux/i2c.h>
-#include <linux/of.h>
-
-#include "exynos_drm_drv.h"
-#include "exynos_hdmi.h"
-
-static int s5p_ddc_probe(struct i2c_client *client,
- const struct i2c_device_id *dev_id)
-{
- hdmi_attach_ddc_client(client);
-
- dev_info(&client->adapter->dev,
- "attached %s into i2c adapter successfully\n",
- client->name);
-
- return 0;
-}
-
-static int s5p_ddc_remove(struct i2c_client *client)
-{
- dev_info(&client->adapter->dev,
- "detached %s from i2c adapter successfully\n",
- client->name);
-
- return 0;
-}
-
-static struct of_device_id hdmiddc_match_types[] = {
- {
- .compatible = "samsung,exynos5-hdmiddc",
- }, {
- .compatible = "samsung,exynos4210-hdmiddc",
- }, {
- /* end node */
- }
-};
-
-struct i2c_driver ddc_driver = {
- .driver = {
- .name = "exynos-hdmiddc",
- .owner = THIS_MODULE,
- .of_match_table = hdmiddc_match_types,
- },
- .probe = s5p_ddc_probe,
- .remove = s5p_ddc_remove,
- .command = NULL,
-};
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 7e70228..97a0e57 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -33,6 +33,7 @@
#include <linux/regulator/consumer.h>
#include <linux/io.h>
#include <linux/of.h>
+#include <linux/i2c.h>
#include <linux/of_gpio.h>
#include <drm/exynos_drm.h>
@@ -40,8 +41,6 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_hdmi.h"
-#include "exynos_hdmi.h"
-
#include <linux/gpio.h>
#include <media/s5p_hdmi.h>
@@ -1855,20 +1854,6 @@ fail:
return -ENODEV;
}
-static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy;
-
-void hdmi_attach_ddc_client(struct i2c_client *ddc)
-{
- if (ddc)
- hdmi_ddc = ddc;
-}
-
-void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
-{
- if (hdmiphy)
- hdmi_hdmiphy = hdmiphy;
-}
-
static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
(struct device *dev)
{
@@ -1913,6 +1898,7 @@ static int hdmi_probe(struct platform_device *pdev)
struct s5p_hdmi_platform_data *pdata;
struct resource *res;
const struct of_device_id *match;
+ struct device_node *ddc_node, *phy_node;
int ret;
if (!dev->of_node)
@@ -1963,21 +1949,30 @@ static int hdmi_probe(struct platform_device *pdev)
}
/* DDC i2c driver */
- if (i2c_add_driver(&ddc_driver)) {
- DRM_ERROR("failed to register ddc i2c driver\n");
- return -ENOENT;
+ ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
+ if (!ddc_node) {
+ DRM_ERROR("Failed to find ddc node in device tree\n");
+ return -ENODEV;
+ }
+ hdata->ddc_port = of_find_i2c_device_by_node(ddc_node);
+ if (!hdata->ddc_port) {
+ DRM_ERROR("Failed to get ddc i2c client by node\n");
+ return -ENODEV;
}
-
- hdata->ddc_port = hdmi_ddc;
/* hdmiphy i2c driver */
- if (i2c_add_driver(&hdmiphy_driver)) {
- DRM_ERROR("failed to register hdmiphy i2c driver\n");
- ret = -ENOENT;
+ phy_node = of_parse_phandle(dev->of_node, "phy", 0);
+ if (!phy_node) {
+ DRM_ERROR("Failed to find hdmiphy node in device tree\n");
+ ret = -ENODEV;
+ goto err_ddc;
+ }
+ hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
+ if (!hdata->hdmiphy_port) {
+ DRM_ERROR("Failed to get hdmi phy i2c client from node\n");
+ ret = -ENODEV;
goto err_ddc;
}
-
- hdata->hdmiphy_port = hdmi_hdmiphy;
hdata->irq = gpio_to_irq(hdata->hpd_gpio);
if (hdata->irq < 0) {
@@ -2008,22 +2003,22 @@ static int hdmi_probe(struct platform_device *pdev)
return 0;
err_hdmiphy:
- i2c_del_driver(&hdmiphy_driver);
+ put_device(&hdata->hdmiphy_port->dev);
err_ddc:
- i2c_del_driver(&ddc_driver);
+ put_device(&hdata->ddc_port->dev);
return ret;
}
static int hdmi_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
+ struct hdmi_context *hdata = ctx->ctx;
pm_runtime_disable(dev);
- /* hdmiphy i2c driver */
- i2c_del_driver(&hdmiphy_driver);
- /* DDC i2c driver */
- i2c_del_driver(&ddc_driver);
+ put_device(&hdata->hdmiphy_port->dev);
+ put_device(&hdata->ddc_port->dev);
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.h b/drivers/gpu/drm/exynos/exynos_hdmi.h
deleted file mode 100644
index 0ddf395..0000000
--- a/drivers/gpu/drm/exynos/exynos_hdmi.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authors:
- * Inki Dae <inki.dae@samsung.com>
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_HDMI_H_
-#define _EXYNOS_HDMI_H_
-
-void hdmi_attach_ddc_client(struct i2c_client *ddc);
-void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy);
-
-extern struct i2c_driver hdmiphy_driver;
-extern struct i2c_driver ddc_driver;
-
-#endif
diff --git a/drivers/gpu/drm/exynos/exynos_hdmiphy.c b/drivers/gpu/drm/exynos/exynos_hdmiphy.c
deleted file mode 100644
index 59abb14..0000000
--- a/drivers/gpu/drm/exynos/exynos_hdmiphy.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * Authors:
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- * Inki Dae <inki.dae@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <drm/drmP.h>
-
-#include <linux/kernel.h>
-#include <linux/i2c.h>
-#include <linux/of.h>
-
-#include "exynos_drm_drv.h"
-#include "exynos_hdmi.h"
-
-
-static int hdmiphy_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- hdmi_attach_hdmiphy_client(client);
-
- dev_info(&client->adapter->dev, "attached s5p_hdmiphy "
- "into i2c adapter successfully\n");
-
- return 0;
-}
-
-static int hdmiphy_remove(struct i2c_client *client)
-{
- dev_info(&client->adapter->dev, "detached s5p_hdmiphy "
- "from i2c adapter successfully\n");
-
- return 0;
-}
-
-static struct of_device_id hdmiphy_match_types[] = {
- {
- .compatible = "samsung,exynos5-hdmiphy",
- }, {
- .compatible = "samsung,exynos4210-hdmiphy",
- }, {
- .compatible = "samsung,exynos4212-hdmiphy",
- }, {
- /* end node */
- }
-};
-
-struct i2c_driver hdmiphy_driver = {
- .driver = {
- .name = "exynos-hdmiphy",
- .owner = THIS_MODULE,
- .of_match_table = hdmiphy_match_types,
- },
- .probe = hdmiphy_probe,
- .remove = hdmiphy_remove,
- .command = NULL,
-};
-EXPORT_SYMBOL(hdmiphy_driver);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 15/34] ARM: dts: exynos: Add i2c phandles to hdmi node
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (13 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 16/34] drm/exynos: Remove exynos_drm_hdmi shim Sean Paul
` (21 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch references the hdmi ddc and phy i2c nodes directly in the
hdmi node to match the updated bindings.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v4:
- Added patch
arch/arm/boot/dts/cros5250-common.dtsi | 6 ++++--
arch/arm/boot/dts/exynos5250-smdk5250.dts | 6 ++++--
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
index 9b186ac..ada9d99 100644
--- a/arch/arm/boot/dts/cros5250-common.dtsi
+++ b/arch/arm/boot/dts/cros5250-common.dtsi
@@ -201,7 +201,7 @@
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
- hdmiddc@50 {
+ hdmi_ddc_node: hdmiddc@50 {
compatible = "samsung,exynos4210-hdmiddc";
reg = <0x50>;
};
@@ -235,7 +235,7 @@
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>;
- hdmiphy@38 {
+ hdmi_phy_node: hdmiphy@38 {
compatible = "samsung,exynos4212-hdmiphy";
reg = <0x38>;
};
@@ -313,6 +313,8 @@
hdmi {
hpd-gpio = <&gpx3 7 0>;
+ ddc = <&hdmi_ddc_node>;
+ phy = <&hdmi_phy_node>;
};
gpio-keys {
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index f86d567..b14985a 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -104,7 +104,7 @@
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
- hdmiddc@50 {
+ hdmi_ddc_node: hdmiddc@50 {
compatible = "samsung,exynos4210-hdmiddc";
reg = <0x50>;
};
@@ -134,7 +134,7 @@
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
- hdmiphy@38 {
+ hdmi_phy_node: hdmiphy@38 {
compatible = "samsung,exynos4212-hdmiphy";
reg = <0x38>;
};
@@ -220,6 +220,8 @@
hdmi {
hpd-gpio = <&gpx3 7 0>;
+ ddc = <&hdmi_ddc_node>;
+ phy = <&hdmi_phy_node>;
};
codec@11000000 {
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 16/34] drm/exynos: Remove exynos_drm_hdmi shim
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (14 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 15/34] ARM: dts: exynos: Add i2c phandles to hdmi node Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 17/34] drm/exynos: Use drm_mode_copy to copy modes Sean Paul
` (20 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch trims exynos_drm_hdmi out of the driver. The reason it
existed in the first place was to make up for the mixture of
display/overlay/manager ops being spread across hdmi and mixer. With
that code now rationalized, mixer and hdmi map directly to
exynos_drm_crtc and exynos_drm_encoder, respectively. Since there is a
1:1 mapping, we no longer need this layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- hdmi/mixer ops now take display/manager instead of context
Changes in v3:
- Moved removal of exynos_drm_hdmi.c file here
Changes in v4: None
drivers/gpu/drm/exynos/Makefile | 3 +-
drivers/gpu/drm/exynos/exynos_drm_drv.c | 13 -
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 416 -------------------------------
drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 69 -----
drivers/gpu/drm/exynos/exynos_hdmi.c | 162 +++++++-----
drivers/gpu/drm/exynos/exynos_mixer.c | 192 +++++++-------
drivers/gpu/drm/exynos/exynos_mixer.h | 20 ++
7 files changed, 217 insertions(+), 658 deletions(-)
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_hdmi.c
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_hdmi.h
create mode 100644 drivers/gpu/drm/exynos/exynos_mixer.h
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index 819961a..afbe499 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -11,8 +11,7 @@ exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o exynos_drm_connector.o \
exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o
exynosdrm-$(CONFIG_DRM_EXYNOS_DMABUF) += exynos_drm_dmabuf.o
exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
-exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o \
- exynos_drm_hdmi.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o
exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_G2D) += exynos_drm_g2d.o
exynosdrm-$(CONFIG_DRM_EXYNOS_IPP) += exynos_drm_ipp.o
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 28e2cef..6143742 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -366,13 +366,6 @@ static int __init exynos_drm_init(void)
ret = platform_driver_register(&mixer_driver);
if (ret < 0)
goto out_mixer;
- ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
- if (ret < 0)
- goto out_common_hdmi;
-
- ret = exynos_platform_device_hdmi_register();
- if (ret < 0)
- goto out_common_hdmi_dev;
#endif
#ifdef CONFIG_DRM_EXYNOS_VIDI
@@ -465,10 +458,6 @@ out_vidi:
#endif
#ifdef CONFIG_DRM_EXYNOS_HDMI
- exynos_platform_device_hdmi_unregister();
-out_common_hdmi_dev:
- platform_driver_unregister(&exynos_drm_common_hdmi_driver);
-out_common_hdmi:
platform_driver_unregister(&mixer_driver);
out_mixer:
platform_driver_unregister(&hdmi_driver);
@@ -510,8 +499,6 @@ static void __exit exynos_drm_exit(void)
#endif
#ifdef CONFIG_DRM_EXYNOS_HDMI
- exynos_platform_device_hdmi_unregister();
- platform_driver_unregister(&exynos_drm_common_hdmi_driver);
platform_driver_unregister(&mixer_driver);
platform_driver_unregister(&hdmi_driver);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
deleted file mode 100644
index b0b09b2..0000000
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ /dev/null
@@ -1,416 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics Co.Ltd
- * Authors:
- * Inki Dae <inki.dae@samsung.com>
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <drm/drmP.h>
-
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/exynos_drm.h>
-
-#include "exynos_drm_drv.h"
-#include "exynos_drm_hdmi.h"
-
-/* platform device pointer for common drm hdmi device. */
-static struct platform_device *exynos_drm_hdmi_pdev;
-
-/* Common hdmi subdrv needs to access the hdmi and mixer though context.
-* These should be initialied by the repective drivers */
-static struct exynos_drm_hdmi_context *hdmi_ctx;
-static struct exynos_drm_hdmi_context *mixer_ctx;
-
-/* these callback points shoud be set by specific drivers. */
-static struct exynos_hdmi_ops *hdmi_ops;
-static struct exynos_mixer_ops *mixer_ops;
-
-struct drm_hdmi_context {
- struct exynos_drm_hdmi_context *hdmi_ctx;
- struct exynos_drm_hdmi_context *mixer_ctx;
-
- bool enabled[MIXER_WIN_NR];
-};
-
-int exynos_platform_device_hdmi_register(void)
-{
- struct platform_device *pdev;
-
- if (exynos_drm_hdmi_pdev)
- return -EEXIST;
-
- pdev = platform_device_register_simple(
- "exynos-drm-hdmi", -1, NULL, 0);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- exynos_drm_hdmi_pdev = pdev;
-
- return 0;
-}
-
-void exynos_platform_device_hdmi_unregister(void)
-{
- if (exynos_drm_hdmi_pdev) {
- platform_device_unregister(exynos_drm_hdmi_pdev);
- exynos_drm_hdmi_pdev = NULL;
- }
-}
-
-void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx)
-{
- if (ctx)
- hdmi_ctx = ctx;
-}
-
-void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx)
-{
- if (ctx)
- mixer_ctx = ctx;
-}
-
-void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops)
-{
- if (ops)
- hdmi_ops = ops;
-}
-
-void exynos_mixer_ops_register(struct exynos_mixer_ops *ops)
-{
- if (ops)
- mixer_ops = ops;
-}
-
-static int drm_hdmi_display_initialize(struct exynos_drm_display *display,
- struct drm_device *drm_dev)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- if (hdmi_ops && hdmi_ops->initialize)
- return hdmi_ops->initialize(ctx->hdmi_ctx->ctx, drm_dev);
-
- return 0;
-}
-
-
-static bool drm_hdmi_is_connected(struct exynos_drm_display *display)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- if (hdmi_ops && hdmi_ops->is_connected)
- return hdmi_ops->is_connected(ctx->hdmi_ctx->ctx);
-
- return false;
-}
-
-static struct edid *drm_hdmi_get_edid(struct exynos_drm_display *display,
- struct drm_connector *connector)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- if (hdmi_ops && hdmi_ops->get_edid)
- return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector);
-
- return NULL;
-}
-static int drm_hdmi_check_mode_ctx(struct drm_hdmi_context *ctx,
- struct drm_display_mode *mode)
-{
- int ret = 0;
-
- /*
- * Both, mixer and hdmi should be able to handle the requested mode.
- * If any of the two fails, return mode as BAD.
- */
-
- if (mixer_ops && mixer_ops->check_mode)
- ret = mixer_ops->check_mode(ctx->mixer_ctx->ctx, mode);
-
- if (ret)
- return ret;
-
- if (hdmi_ops && hdmi_ops->check_mode)
- return hdmi_ops->check_mode(ctx->hdmi_ctx->ctx, mode);
-
- return 0;
-}
-
-static int drm_hdmi_check_mode(struct exynos_drm_display *display,
- struct drm_display_mode *mode)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- return drm_hdmi_check_mode_ctx(ctx, mode);
-}
-
-static void drm_hdmi_display_dpms(struct exynos_drm_display *display, int mode)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- if (hdmi_ops && hdmi_ops->dpms)
- hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
-}
-
-static void drm_hdmi_mode_fixup(struct exynos_drm_display *display,
- struct drm_connector *connector,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct drm_hdmi_context *ctx = display->ctx;
- struct drm_display_mode *m;
- int mode_ok;
-
- drm_mode_set_crtcinfo(adjusted_mode, 0);
-
- mode_ok = drm_hdmi_check_mode_ctx(ctx, adjusted_mode);
-
- /* just return if user desired mode exists. */
- if (mode_ok == 0)
- return;
-
- /*
- * otherwise, find the most suitable mode among modes and change it
- * to adjusted_mode.
- */
- list_for_each_entry(m, &connector->modes, head) {
- mode_ok = drm_hdmi_check_mode_ctx(ctx, m);
-
- if (mode_ok == 0) {
- struct drm_mode_object base;
- struct list_head head;
-
- DRM_INFO("desired mode doesn't exist so\n");
- DRM_INFO("use the most suitable mode among modes.\n");
-
- DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
- m->hdisplay, m->vdisplay, m->vrefresh);
-
- /* preserve display mode header while copying. */
- head = adjusted_mode->head;
- base = adjusted_mode->base;
- memcpy(adjusted_mode, m, sizeof(*m));
- adjusted_mode->head = head;
- adjusted_mode->base = base;
- break;
- }
- }
-}
-
-static void drm_hdmi_mode_set(struct exynos_drm_display *display,
- struct drm_display_mode *mode)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- if (hdmi_ops && hdmi_ops->mode_set)
- hdmi_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
-}
-
-static void drm_hdmi_get_max_resol(struct exynos_drm_display *display,
- unsigned int *width, unsigned int *height)
-{
- struct drm_hdmi_context *ctx = display->ctx;
-
- if (hdmi_ops && hdmi_ops->get_max_resol)
- hdmi_ops->get_max_resol(ctx->hdmi_ctx->ctx, width, height);
-}
-
-static struct exynos_drm_display_ops drm_hdmi_display_ops = {
- .initialize = drm_hdmi_display_initialize,
- .is_connected = drm_hdmi_is_connected,
- .get_edid = drm_hdmi_get_edid,
- .check_mode = drm_hdmi_check_mode,
- .dpms = drm_hdmi_display_dpms,
- .mode_fixup = drm_hdmi_mode_fixup,
- .mode_set = drm_hdmi_mode_set,
- .get_max_resol = drm_hdmi_get_max_resol,
-};
-
-static struct exynos_drm_display hdmi_display = {
- .type = EXYNOS_DISPLAY_TYPE_HDMI,
- .ops = &drm_hdmi_display_ops,
-};
-
-static int drm_hdmi_enable_vblank(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->enable_vblank)
- return mixer_ops->enable_vblank(ctx->mixer_ctx->ctx, mgr->pipe);
-
- return 0;
-}
-
-static void drm_hdmi_disable_vblank(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->disable_vblank)
- return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
-}
-
-static void drm_hdmi_wait_for_vblank(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->wait_for_vblank)
- mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
-}
-
-static void drm_hdmi_commit(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (hdmi_ops && hdmi_ops->commit)
- hdmi_ops->commit(ctx->hdmi_ctx->ctx);
-}
-
-static int drm_hdmi_mgr_initialize(struct exynos_drm_manager *mgr,
- struct drm_device *drm_dev, int pipe)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
- int ret = 0;
-
- if (!hdmi_ctx) {
- DRM_ERROR("hdmi context not initialized.\n");
- return -EFAULT;
- }
-
- if (!mixer_ctx) {
- DRM_ERROR("mixer context not initialized.\n");
- return -EFAULT;
- }
-
- ctx->hdmi_ctx = hdmi_ctx;
- ctx->mixer_ctx = mixer_ctx;
-
- if (mixer_ops && mixer_ops->initialize)
- ret = mixer_ops->initialize(ctx->mixer_ctx->ctx, drm_dev);
-
- if (mixer_ops->iommu_on)
- mixer_ops->iommu_on(ctx->mixer_ctx->ctx, true);
-
- return ret;
-}
-
-static void drm_hdmi_mgr_remove(struct exynos_drm_manager *mgr)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops->iommu_on)
- mixer_ops->iommu_on(ctx->mixer_ctx->ctx, false);
-}
-
-static void drm_hdmi_dpms(struct exynos_drm_manager *mgr, int mode)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->dpms)
- mixer_ops->dpms(ctx->mixer_ctx->ctx, mode);
-
- if (hdmi_ops && hdmi_ops->dpms)
- hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
-}
-
-static void drm_mixer_win_mode_set(struct exynos_drm_manager *mgr,
- struct exynos_drm_overlay *overlay)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
-
- if (mixer_ops && mixer_ops->win_mode_set)
- mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
-}
-
-static void drm_mixer_win_commit(struct exynos_drm_manager *mgr, int zpos)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
- int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
-
- if (win < 0 || win >= MIXER_WIN_NR) {
- DRM_ERROR("mixer window[%d] is wrong\n", win);
- return;
- }
-
- if (mixer_ops && mixer_ops->win_commit)
- mixer_ops->win_commit(ctx->mixer_ctx->ctx, win);
-
- ctx->enabled[win] = true;
-}
-
-static void drm_mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
-{
- struct drm_hdmi_context *ctx = mgr->ctx;
- int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
-
- if (win < 0 || win >= MIXER_WIN_NR) {
- DRM_ERROR("mixer window[%d] is wrong\n", win);
- return;
- }
-
- if (mixer_ops && mixer_ops->win_disable)
- mixer_ops->win_disable(ctx->mixer_ctx->ctx, win);
-
- ctx->enabled[win] = false;
-}
-
-static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
- .initialize = drm_hdmi_mgr_initialize,
- .remove = drm_hdmi_mgr_remove,
- .dpms = drm_hdmi_dpms,
- .enable_vblank = drm_hdmi_enable_vblank,
- .disable_vblank = drm_hdmi_disable_vblank,
- .wait_for_vblank = drm_hdmi_wait_for_vblank,
- .commit = drm_hdmi_commit,
- .win_mode_set = drm_mixer_win_mode_set,
- .win_commit = drm_mixer_win_commit,
- .win_disable = drm_mixer_win_disable,
-};
-
-static struct exynos_drm_manager hdmi_manager = {
- .type = EXYNOS_DISPLAY_TYPE_HDMI,
- .ops = &drm_hdmi_manager_ops,
-};
-
-static int exynos_drm_hdmi_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct drm_hdmi_context *ctx;
-
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
- return -ENOMEM;
-
- hdmi_manager.ctx = ctx;
- hdmi_display.ctx = ctx;
-
- exynos_drm_manager_register(&hdmi_manager);
- exynos_drm_display_register(&hdmi_display);
-
- return 0;
-}
-
-static int exynos_drm_hdmi_remove(struct platform_device *pdev)
-{
- exynos_drm_display_unregister(&hdmi_display);
- exynos_drm_manager_unregister(&hdmi_manager);
-
- return 0;
-}
-
-struct platform_driver exynos_drm_common_hdmi_driver = {
- .probe = exynos_drm_hdmi_probe,
- .remove = exynos_drm_hdmi_remove,
- .driver = {
- .name = "exynos-drm-hdmi",
- .owner = THIS_MODULE,
- },
-};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
deleted file mode 100644
index 37059ea..0000000
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/* exynos_drm_hdmi.h
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authoer: Inki Dae <inki.dae@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DRM_HDMI_H_
-#define _EXYNOS_DRM_HDMI_H_
-
-#define MIXER_WIN_NR 3
-#define MIXER_DEFAULT_WIN 0
-
-/*
- * exynos hdmi common context structure.
- *
- * @drm_dev: pointer to drm_device.
- * @pipe: pipe for mixer
- * @ctx: pointer to the context of specific device driver.
- * this context should be hdmi_context or mixer_context.
- */
-struct exynos_drm_hdmi_context {
- int pipe;
- void *ctx;
-};
-
-struct exynos_hdmi_ops {
- /* display */
- int (*initialize)(void *ctx, struct drm_device *drm_dev);
- bool (*is_connected)(void *ctx);
- struct edid *(*get_edid)(void *ctx,
- struct drm_connector *connector);
- int (*check_mode)(void *ctx, struct drm_display_mode *mode);
- void (*dpms)(void *ctx, int mode);
-
- /* manager */
- void (*mode_set)(void *ctx, struct drm_display_mode *mode);
- void (*get_max_resol)(void *ctx, unsigned int *width,
- unsigned int *height);
- void (*commit)(void *ctx);
-};
-
-struct exynos_mixer_ops {
- /* manager */
- int (*initialize)(void *ctx, struct drm_device *drm_dev);
- int (*iommu_on)(void *ctx, bool enable);
- int (*enable_vblank)(void *ctx, int pipe);
- void (*disable_vblank)(void *ctx);
- void (*wait_for_vblank)(void *ctx);
- void (*dpms)(void *ctx, int mode);
-
- /* overlay */
- void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
- void (*win_commit)(void *ctx, int zpos);
- void (*win_disable)(void *ctx, int zpos);
-
- /* display */
- int (*check_mode)(void *ctx, struct drm_display_mode *mode);
-};
-
-void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx);
-void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx);
-void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
-void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
-#endif
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 97a0e57..051aa76 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -39,14 +39,14 @@
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
-#include "exynos_drm_hdmi.h"
+#include "exynos_mixer.h"
#include <linux/gpio.h>
#include <media/s5p_hdmi.h>
#define MAX_WIDTH 1920
#define MAX_HEIGHT 1080
-#define get_hdmi_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_hdmi_display(dev) platform_get_drvdata(to_platform_device(dev))
/* AVI header and aspect ratio */
#define HDMI_AVI_VERSION 0x02
@@ -188,7 +188,6 @@ struct hdmi_context {
struct mutex hdmi_mutex;
void __iomem *regs;
- void *parent_ctx;
int irq;
struct i2c_client *ddc_port;
@@ -741,26 +740,28 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
}
}
-static int hdmi_initialize(void *ctx, struct drm_device *drm_dev)
+static int hdmi_initialize(struct exynos_drm_display *display,
+ struct drm_device *drm_dev)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
hdata->drm_dev = drm_dev;
return 0;
}
-static bool hdmi_is_connected(void *ctx)
+static bool hdmi_is_connected(struct exynos_drm_display *display)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
return hdata->hpd;
}
-static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector)
+static struct edid *hdmi_get_edid(struct exynos_drm_display *display,
+ struct drm_connector *connector)
{
struct edid *raw_edid;
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
if (!hdata->ddc_port)
return ERR_PTR(-ENODEV);
@@ -799,9 +800,10 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
return -EINVAL;
}
-static int hdmi_check_mode(void *ctx, struct drm_display_mode *mode)
+static int hdmi_check_mode(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
int ret;
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
@@ -809,12 +811,62 @@ static int hdmi_check_mode(void *ctx, struct drm_display_mode *mode)
(mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
false, mode->clock * 1000);
+ ret = mixer_check_mode(mode);
+ if (ret)
+ return ret;
+
ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
if (ret < 0)
return ret;
return 0;
}
+static void hdmi_mode_fixup(struct exynos_drm_display *display,
+ struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_display_mode *m;
+ int mode_ok;
+
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ drm_mode_set_crtcinfo(adjusted_mode, 0);
+
+ mode_ok = hdmi_check_mode(display, adjusted_mode);
+
+ /* just return if user desired mode exists. */
+ if (mode_ok == 0)
+ return;
+
+ /*
+ * otherwise, find the most suitable mode among modes and change it
+ * to adjusted_mode.
+ */
+ list_for_each_entry(m, &connector->modes, head) {
+ mode_ok = hdmi_check_mode(display, m);
+
+ if (mode_ok == 0) {
+ struct drm_mode_object base;
+ struct list_head head;
+
+ DRM_INFO("desired mode doesn't exist so\n");
+ DRM_INFO("use the most suitable mode among modes.\n");
+
+ DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
+ m->hdisplay, m->vdisplay, m->vrefresh);
+
+ /* preserve display mode header while copying. */
+ head = adjusted_mode->head;
+ base = adjusted_mode->base;
+ memcpy(adjusted_mode, m, sizeof(*m));
+ adjusted_mode->head = head;
+ adjusted_mode->base = base;
+ break;
+ }
+ }
+}
+
static void hdmi_set_acr(u32 freq, u8 *acr)
{
u32 n, cts;
@@ -1640,9 +1692,10 @@ static void hdmi_v14_mode_set(struct hdmi_context *hdata,
hdmi_set_reg(tg->tg_3d, 1, 0x0);
}
-static void hdmi_mode_set(void *ctx, struct drm_display_mode *mode)
+static void hdmi_mode_set(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
struct drm_display_mode *m = mode;
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
@@ -1656,16 +1709,16 @@ static void hdmi_mode_set(void *ctx, struct drm_display_mode *mode)
hdmi_v14_mode_set(hdata, mode);
}
-static void hdmi_get_max_resol(void *ctx, unsigned int *width,
- unsigned int *height)
+static void hdmi_get_max_resol(struct exynos_drm_display *display,
+ unsigned int *width, unsigned int *height)
{
*width = MAX_WIDTH;
*height = MAX_HEIGHT;
}
-static void hdmi_commit(void *ctx)
+static void hdmi_commit(struct exynos_drm_display *display)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
mutex_lock(&hdata->hdmi_mutex);
if (!hdata->powered) {
@@ -1677,8 +1730,9 @@ static void hdmi_commit(void *ctx)
hdmi_conf_apply(hdata);
}
-static void hdmi_poweron(struct hdmi_context *hdata)
+static void hdmi_poweron(struct exynos_drm_display *display)
{
+ struct hdmi_context *hdata = display->ctx;
struct hdmi_resources *res = &hdata->res;
mutex_lock(&hdata->hdmi_mutex);
@@ -1699,11 +1753,12 @@ static void hdmi_poweron(struct hdmi_context *hdata)
clk_prepare_enable(res->sclk_hdmi);
hdmiphy_poweron(hdata);
- hdmi_commit(hdata);
+ hdmi_commit(display);
}
-static void hdmi_poweroff(struct hdmi_context *hdata)
+static void hdmi_poweroff(struct exynos_drm_display *display)
{
+ struct hdmi_context *hdata = display->ctx;
struct hdmi_resources *res = &hdata->res;
mutex_lock(&hdata->hdmi_mutex);
@@ -1731,9 +1786,9 @@ out:
mutex_unlock(&hdata->hdmi_mutex);
}
-static void hdmi_dpms(void *ctx, int mode)
+static void hdmi_dpms(struct exynos_drm_display *display, int mode)
{
- struct hdmi_context *hdata = ctx;
+ struct hdmi_context *hdata = display->ctx;
DRM_DEBUG_KMS("mode %d\n", mode);
@@ -1754,24 +1809,26 @@ static void hdmi_dpms(void *ctx, int mode)
}
}
-static struct exynos_hdmi_ops hdmi_ops = {
- /* display */
+static struct exynos_drm_display_ops hdmi_display_ops = {
.initialize = hdmi_initialize,
.is_connected = hdmi_is_connected,
+ .get_max_resol = hdmi_get_max_resol,
.get_edid = hdmi_get_edid,
.check_mode = hdmi_check_mode,
- .dpms = hdmi_dpms,
-
- /* manager */
+ .mode_fixup = hdmi_mode_fixup,
.mode_set = hdmi_mode_set,
- .get_max_resol = hdmi_get_max_resol,
+ .dpms = hdmi_dpms,
.commit = hdmi_commit,
};
+static struct exynos_drm_display hdmi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_HDMI,
+ .ops = &hdmi_display_ops,
+};
+
static irqreturn_t hdmi_irq_thread(int irq, void *arg)
{
- struct exynos_drm_hdmi_context *ctx = arg;
- struct hdmi_context *hdata = ctx->ctx;
+ struct hdmi_context *hdata = arg;
mutex_lock(&hdata->hdmi_mutex);
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
@@ -1893,7 +1950,6 @@ static struct of_device_id hdmi_match_types[] = {
static int hdmi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct exynos_drm_hdmi_context *drm_hdmi_ctx;
struct hdmi_context *hdata;
struct s5p_hdmi_platform_data *pdata;
struct resource *res;
@@ -1908,20 +1964,13 @@ static int hdmi_probe(struct platform_device *pdev)
if (!pdata)
return -EINVAL;
- drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx), GFP_KERNEL);
- if (!drm_hdmi_ctx)
- return -ENOMEM;
-
hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
if (!hdata)
return -ENOMEM;
mutex_init(&hdata->hdmi_mutex);
- drm_hdmi_ctx->ctx = (void *)hdata;
- hdata->parent_ctx = (void *)drm_hdmi_ctx;
-
- platform_set_drvdata(pdev, drm_hdmi_ctx);
+ platform_set_drvdata(pdev, &hdmi_display);
match = of_match_node(hdmi_match_types, dev->of_node);
if (!match)
@@ -1986,17 +2035,14 @@ static int hdmi_probe(struct platform_device *pdev)
ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
hdmi_irq_thread, IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- "hdmi", drm_hdmi_ctx);
+ "hdmi", hdata);
if (ret) {
DRM_ERROR("failed to register hdmi interrupt\n");
goto err_hdmiphy;
}
- /* Attach HDMI Driver to common hdmi. */
- exynos_hdmi_drv_attach(drm_hdmi_ctx);
-
- /* register specific callbacks to common hdmi. */
- exynos_hdmi_ops_register(&hdmi_ops);
+ hdmi_display.ctx = hdata;
+ exynos_drm_display_register(&hdmi_display);
pm_runtime_enable(dev);
@@ -2012,8 +2058,8 @@ err_ddc:
static int hdmi_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
+ struct exynos_drm_display *display = get_hdmi_display(dev);
+ struct hdmi_context *hdata = display->ctx;
pm_runtime_disable(dev);
@@ -2026,8 +2072,8 @@ static int hdmi_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int hdmi_suspend(struct device *dev)
{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
+ struct exynos_drm_display *display = get_hdmi_display(dev);
+ struct hdmi_context *hdata = display->ctx;
disable_irq(hdata->irq);
@@ -2040,15 +2086,15 @@ static int hdmi_suspend(struct device *dev)
return 0;
}
- hdmi_poweroff(hdata);
+ hdmi_poweroff(display);
return 0;
}
static int hdmi_resume(struct device *dev)
{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
+ struct exynos_drm_display *display = get_hdmi_display(dev);
+ struct hdmi_context *hdata = display->ctx;
hdata->hpd = gpio_get_value(hdata->hpd_gpio);
@@ -2059,7 +2105,7 @@ static int hdmi_resume(struct device *dev)
return 0;
}
- hdmi_poweron(hdata);
+ hdmi_poweron(display);
return 0;
}
@@ -2068,20 +2114,18 @@ static int hdmi_resume(struct device *dev)
#ifdef CONFIG_PM_RUNTIME
static int hdmi_runtime_suspend(struct device *dev)
{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
+ struct exynos_drm_display *display = get_hdmi_display(dev);
- hdmi_poweroff(hdata);
+ hdmi_poweroff(display);
return 0;
}
static int hdmi_runtime_resume(struct device *dev)
{
- struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
- struct hdmi_context *hdata = ctx->ctx;
+ struct exynos_drm_display *display = get_hdmi_display(dev);
- hdmi_poweron(hdata);
+ hdmi_poweron(display);
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 25a440a..d522857 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -36,10 +36,13 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
-#include "exynos_drm_hdmi.h"
#include "exynos_drm_iommu.h"
+#include "exynos_mixer.h"
-#define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev))
+#define get_mixer_manager(dev) platform_get_drvdata(to_platform_device(dev))
+
+#define MIXER_WIN_NR 3
+#define MIXER_DEFAULT_WIN 0
struct hdmi_win_data {
dma_addr_t dma_addr;
@@ -95,7 +98,6 @@ struct mixer_context {
struct mixer_resources mixer_res;
struct hdmi_win_data win_data[MIXER_WIN_NR];
enum mixer_version_id mxr_ver;
- void *parent_ctx;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
};
@@ -827,12 +829,14 @@ static int vp_resources_init(struct mixer_context *mixer_ctx)
return 0;
}
-static int mixer_initialize(void *ctx, struct drm_device *drm_dev)
+static int mixer_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
{
int ret;
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
mixer_ctx->drm_dev = drm_dev;
+ mixer_ctx->pipe = pipe;
/* acquire resources: regs, irqs, clocks */
ret = mixer_resources_init(mixer_ctx);
@@ -850,29 +854,29 @@ static int mixer_initialize(void *ctx, struct drm_device *drm_dev)
}
}
- return ret;
+ if (!is_drm_iommu_supported(mixer_ctx->drm_dev))
+ return 0;
+
+ return drm_iommu_attach_device(mixer_ctx->drm_dev, mixer_ctx->dev);
}
-static int mixer_iommu_on(void *ctx, bool enable)
+static void mixer_mgr_remove(struct exynos_drm_manager *mgr)
{
- struct mixer_context *mdata = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
- if (is_drm_iommu_supported(mdata->drm_dev)) {
- if (enable)
- return drm_iommu_attach_device(mdata->drm_dev,
- mdata->dev);
-
- drm_iommu_detach_device(mdata->drm_dev, mdata->dev);
- }
- return 0;
+ if (is_drm_iommu_supported(mixer_ctx->drm_dev))
+ drm_iommu_detach_device(mixer_ctx->drm_dev, mixer_ctx->dev);
}
-static int mixer_enable_vblank(void *ctx, int pipe)
+static int mixer_enable_vblank(struct exynos_drm_manager *mgr)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct mixer_resources *res = &mixer_ctx->mixer_res;
- mixer_ctx->pipe = pipe;
+ if (!mixer_ctx->powered) {
+ mixer_ctx->int_en |= MXR_INT_EN_VSYNC;
+ return 0;
+ }
/* enable vsync interrupt */
mixer_reg_writemask(res, MXR_INT_EN, MXR_INT_EN_VSYNC,
@@ -881,19 +885,19 @@ static int mixer_enable_vblank(void *ctx, int pipe)
return 0;
}
-static void mixer_disable_vblank(void *ctx)
+static void mixer_disable_vblank(struct exynos_drm_manager *mgr)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct mixer_resources *res = &mixer_ctx->mixer_res;
/* disable vsync interrupt */
mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC);
}
-static void mixer_win_mode_set(void *ctx,
- struct exynos_drm_overlay *overlay)
+static void mixer_win_mode_set(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct hdmi_win_data *win_data;
int win;
@@ -942,9 +946,10 @@ static void mixer_win_mode_set(void *ctx,
win_data->scan_flags = overlay->scan_flag;
}
-static void mixer_win_commit(void *ctx, int win)
+static void mixer_win_commit(struct exynos_drm_manager *mgr, int zpos)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
+ int win = zpos == DEFAULT_ZPOS ? MIXER_DEFAULT_WIN : zpos;
DRM_DEBUG_KMS("win: %d\n", win);
@@ -963,10 +968,11 @@ static void mixer_win_commit(void *ctx, int win)
mixer_ctx->win_data[win].enabled = true;
}
-static void mixer_win_disable(void *ctx, int win)
+static void mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
struct mixer_resources *res = &mixer_ctx->mixer_res;
+ int win = zpos == DEFAULT_ZPOS ? MIXER_DEFAULT_WIN : zpos;
unsigned long flags;
DRM_DEBUG_KMS("win: %d\n", win);
@@ -990,32 +996,9 @@ static void mixer_win_disable(void *ctx, int win)
mixer_ctx->win_data[win].enabled = false;
}
-static int mixer_check_mode(void *ctx, struct drm_display_mode *mode)
-{
- struct mixer_context *mixer_ctx = ctx;
- u32 w, h;
-
- w = mode->hdisplay;
- h = mode->vdisplay;
-
- DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d\n",
- mode->hdisplay, mode->vdisplay, mode->vrefresh,
- (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
-
- if (mixer_ctx->mxr_ver == MXR_VER_0_0_0_16 ||
- mixer_ctx->mxr_ver == MXR_VER_128_0_0_184)
- return 0;
-
- if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) ||
- (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) ||
- (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))
- return 0;
-
- return -EINVAL;
-}
-static void mixer_wait_for_vblank(void *ctx)
+static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
mutex_lock(&mixer_ctx->mixer_mutex);
if (!mixer_ctx->powered) {
@@ -1036,21 +1019,23 @@ static void mixer_wait_for_vblank(void *ctx)
DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static void mixer_window_suspend(struct mixer_context *ctx)
+static void mixer_window_suspend(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct hdmi_win_data *win_data;
int i;
for (i = 0; i < MIXER_WIN_NR; i++) {
win_data = &ctx->win_data[i];
win_data->resume = win_data->enabled;
- mixer_win_disable(ctx, i);
+ mixer_win_disable(mgr, i);
}
- mixer_wait_for_vblank(ctx);
+ mixer_wait_for_vblank(mgr);
}
-static void mixer_window_resume(struct mixer_context *ctx)
+static void mixer_window_resume(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct hdmi_win_data *win_data;
int i;
@@ -1059,12 +1044,13 @@ static void mixer_window_resume(struct mixer_context *ctx)
win_data->enabled = win_data->resume;
win_data->resume = false;
if (win_data->enabled)
- mixer_win_commit(ctx, i);
+ mixer_win_commit(mgr, i);
}
}
-static void mixer_poweron(struct mixer_context *ctx)
+static void mixer_poweron(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct mixer_resources *res = &ctx->mixer_res;
mutex_lock(&ctx->mixer_mutex);
@@ -1084,11 +1070,12 @@ static void mixer_poweron(struct mixer_context *ctx)
mixer_reg_write(res, MXR_INT_EN, ctx->int_en);
mixer_win_reset(ctx);
- mixer_window_resume(ctx);
+ mixer_window_resume(mgr);
}
-static void mixer_poweroff(struct mixer_context *ctx)
+static void mixer_poweroff(struct exynos_drm_manager *mgr)
{
+ struct mixer_context *ctx = mgr->ctx;
struct mixer_resources *res = &ctx->mixer_res;
mutex_lock(&ctx->mixer_mutex);
@@ -1096,7 +1083,7 @@ static void mixer_poweroff(struct mixer_context *ctx)
goto out;
mutex_unlock(&ctx->mixer_mutex);
- mixer_window_suspend(ctx);
+ mixer_window_suspend(mgr);
ctx->int_en = mixer_reg_read(res, MXR_INT_EN);
@@ -1113,9 +1100,9 @@ out:
mutex_unlock(&ctx->mixer_mutex);
}
-static void mixer_dpms(void *ctx, int mode)
+static void mixer_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct mixer_context *mixer_ctx = ctx;
+ struct mixer_context *mixer_ctx = mgr->ctx;
switch (mode) {
case DRM_MODE_DPMS_ON:
@@ -1134,20 +1121,41 @@ static void mixer_dpms(void *ctx, int mode)
}
}
-static struct exynos_mixer_ops mixer_ops = {
- /* manager */
+/* Only valid for Mixer version 16.0.33.0 */
+int mixer_check_mode(struct drm_display_mode *mode)
+{
+ u32 w, h;
+
+ w = mode->hdisplay;
+ h = mode->vdisplay;
+
+ DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d\n",
+ mode->hdisplay, mode->vdisplay, mode->vrefresh,
+ (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
+
+ if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) ||
+ (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) ||
+ (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))
+ return 0;
+
+ return -EINVAL;
+}
+
+static struct exynos_drm_manager_ops mixer_manager_ops = {
.initialize = mixer_initialize,
- .iommu_on = mixer_iommu_on,
+ .remove = mixer_mgr_remove,
+ .dpms = mixer_dpms,
.enable_vblank = mixer_enable_vblank,
.disable_vblank = mixer_disable_vblank,
.wait_for_vblank = mixer_wait_for_vblank,
- .dpms = mixer_dpms,
.win_mode_set = mixer_win_mode_set,
.win_commit = mixer_win_commit,
.win_disable = mixer_win_disable,
+};
- /* display */
- .check_mode = mixer_check_mode,
+static struct exynos_drm_manager mixer_manager = {
+ .type = EXYNOS_DISPLAY_TYPE_HDMI,
+ .ops = &mixer_manager_ops,
};
static struct mixer_drv_data exynos5420_mxr_drv_data = {
@@ -1195,20 +1203,16 @@ static struct of_device_id mixer_match_types[] = {
static int mixer_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct exynos_drm_hdmi_context *drm_hdmi_ctx;
struct mixer_context *ctx;
struct mixer_drv_data *drv;
dev_info(dev, "probe start\n");
- drm_hdmi_ctx = devm_kzalloc(dev, sizeof(*drm_hdmi_ctx),
- GFP_KERNEL);
- if (!drm_hdmi_ctx)
- return -ENOMEM;
-
- ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- if (!ctx)
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ DRM_ERROR("failed to alloc mixer context.\n");
return -ENOMEM;
+ }
mutex_init(&ctx->mixer_mutex);
@@ -1223,20 +1227,14 @@ static int mixer_probe(struct platform_device *pdev)
ctx->pdev = pdev;
ctx->dev = dev;
- ctx->parent_ctx = (void *)drm_hdmi_ctx;
- drm_hdmi_ctx->ctx = (void *)ctx;
ctx->vp_enabled = drv->is_vp_enabled;
ctx->mxr_ver = drv->version;
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- platform_set_drvdata(pdev, drm_hdmi_ctx);
-
- /* attach mixer driver to common hdmi. */
- exynos_mixer_drv_attach(drm_hdmi_ctx);
-
- /* register specific callback point to common hdmi. */
- exynos_mixer_ops_register(&mixer_ops);
+ mixer_manager.ctx = ctx;
+ platform_set_drvdata(pdev, &mixer_manager);
+ exynos_drm_manager_register(&mixer_manager);
pm_runtime_enable(dev);
@@ -1255,30 +1253,28 @@ static int mixer_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int mixer_suspend(struct device *dev)
{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
+ struct exynos_drm_manager *mgr = get_mixer_manager(dev);
if (pm_runtime_suspended(dev)) {
DRM_DEBUG_KMS("Already suspended\n");
return 0;
}
- mixer_poweroff(ctx);
+ mixer_poweroff(mgr);
return 0;
}
static int mixer_resume(struct device *dev)
{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
+ struct exynos_drm_manager *mgr = get_mixer_manager(dev);
if (!pm_runtime_suspended(dev)) {
DRM_DEBUG_KMS("Already resumed\n");
return 0;
}
- mixer_poweron(ctx);
+ mixer_poweron(mgr);
return 0;
}
@@ -1287,20 +1283,18 @@ static int mixer_resume(struct device *dev)
#ifdef CONFIG_PM_RUNTIME
static int mixer_runtime_suspend(struct device *dev)
{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
+ struct exynos_drm_manager *mgr = get_mixer_manager(dev);
- mixer_poweroff(ctx);
+ mixer_poweroff(mgr);
return 0;
}
static int mixer_runtime_resume(struct device *dev)
{
- struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev);
- struct mixer_context *ctx = drm_hdmi_ctx->ctx;
+ struct exynos_drm_manager *mgr = get_mixer_manager(dev);
- mixer_poweron(ctx);
+ mixer_poweron(mgr);
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.h b/drivers/gpu/drm/exynos/exynos_mixer.h
new file mode 100644
index 0000000..3811e41
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_mixer.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2013 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _EXYNOS_MIXER_H_
+#define _EXYNOS_MIXER_H_
+
+/* This function returns 0 if the given timing is valid for the mixer */
+int mixer_check_mode(struct drm_display_mode *mode);
+
+#endif
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 17/34] drm/exynos: Use drm_mode_copy to copy modes
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (15 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 16/34] drm/exynos: Remove exynos_drm_hdmi shim Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 18/34] drm/exynos: Disable unused crtc planes from crtc Sean Paul
` (19 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch changes the manual copying of mode to adjusted_mode in
mode_fixup to use drm_mode_copy instead of handling things manually.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_hdmi.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 051aa76..3faea8f 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -847,21 +847,13 @@ static void hdmi_mode_fixup(struct exynos_drm_display *display,
mode_ok = hdmi_check_mode(display, m);
if (mode_ok == 0) {
- struct drm_mode_object base;
- struct list_head head;
-
DRM_INFO("desired mode doesn't exist so\n");
DRM_INFO("use the most suitable mode among modes.\n");
DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
m->hdisplay, m->vdisplay, m->vrefresh);
- /* preserve display mode header while copying. */
- head = adjusted_mode->head;
- base = adjusted_mode->base;
- memcpy(adjusted_mode, m, sizeof(*m));
- adjusted_mode->head = head;
- adjusted_mode->base = base;
+ drm_mode_copy(adjusted_mode, m);
break;
}
}
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 18/34] drm/exynos: Disable unused crtc planes from crtc
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (16 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 17/34] drm/exynos: Use drm_mode_copy to copy modes Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 19/34] drm/exynos: Add mode_set manager operation Sean Paul
` (18 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch moves the code which disables unused crtc planes from the
encoder to the crtc. Since there is a 1:1 encoder/crtc mapping in
exynos, the only valid crtc change the pre-existing code could catch is
disconnecting an active crtc from the encoder. Thus it is functionally
equivalent to just disable all planes attached to a crtc when the crtc
is disabled.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 13 +++++-
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 65 ++---------------------------
2 files changed, 15 insertions(+), 63 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 347d62d..d019385 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -176,10 +176,19 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
{
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct drm_plane *plane;
+ int ret;
- exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_OFF);
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ list_for_each_entry(plane, &crtc->dev->mode_config.plane_list, head) {
+ if (plane->crtc != crtc)
+ continue;
+
+ ret = plane->funcs->disable_plane(plane);
+ if (ret)
+ DRM_ERROR("Failed to disable plane %d\n", ret);
+ }
}
static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index d4ae664..bfa2f17 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -29,7 +29,6 @@
* @display: the display structure that maps to this encoder
*/
struct exynos_drm_encoder {
- struct drm_crtc *old_crtc;
struct drm_encoder drm_encoder;
struct exynos_drm_display *display;
};
@@ -67,71 +66,15 @@ exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
return true;
}
-static void disable_plane_to_crtc(struct drm_device *dev,
- struct drm_crtc *old_crtc,
- struct drm_crtc *new_crtc)
-{
- struct drm_plane *plane;
-
- /*
- * if old_crtc isn't same as encoder->crtc then it means that
- * user changed crtc id to another one so the plane to old_crtc
- * should be disabled and plane->crtc should be set to new_crtc
- * (encoder->crtc)
- */
- list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
- if (plane->crtc == old_crtc) {
- /*
- * do not change below call order.
- *
- * plane->funcs->disable_plane call checks
- * if encoder->crtc is same as plane->crtc and if same
- * then manager_ops->win_disable callback will be called
- * to diasble current hw overlay so plane->crtc should
- * have new_crtc because new_crtc was set to
- * encoder->crtc in advance.
- */
- plane->crtc = new_crtc;
- plane->funcs->disable_plane(plane);
- }
- }
-}
-
static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- struct drm_device *dev = encoder->dev;
- struct drm_connector *connector;
- struct exynos_drm_display *display;
-
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder) {
- struct exynos_drm_encoder *exynos_encoder;
-
- exynos_encoder = to_exynos_encoder(encoder);
-
- if (exynos_encoder->old_crtc != encoder->crtc &&
- exynos_encoder->old_crtc) {
-
- /*
- * disable a plane to old crtc and change
- * crtc of the plane to new one.
- */
- disable_plane_to_crtc(dev,
- exynos_encoder->old_crtc,
- encoder->crtc);
- }
-
- display = exynos_encoder->display;
-
- if (display->ops->mode_set)
- display->ops->mode_set(display,
- adjusted_mode);
+ struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+ struct exynos_drm_display *display = exynos_encoder->display;
- exynos_encoder->old_crtc = encoder->crtc;
- }
- }
+ if (display->ops->mode_set)
+ display->ops->mode_set(display, adjusted_mode);
}
static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 19/34] drm/exynos: Add mode_set manager operation
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (17 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 18/34] drm/exynos: Disable unused crtc planes from crtc Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 20/34] drm/exynos: Implement mode_fixup " Sean Paul
` (17 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch adds a mode_set callback to the manager operations which
sets the crtc's current mode to the manager driver. This will allow the
fimd driver to set its mode using values from drm, instead of the dt.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Added a bit more explanation to commit msg
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 4 ++++
drivers/gpu/drm/exynos/exynos_drm_drv.h | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index d019385..a5cb104 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -115,6 +115,7 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_framebuffer *old_fb)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
struct drm_plane *plane = exynos_crtc->plane;
unsigned int crtc_w;
unsigned int crtc_h;
@@ -129,6 +130,9 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
crtc_w = crtc->fb->width - x;
crtc_h = crtc->fb->height - y;
+ if (manager->ops->mode_set)
+ manager->ops->mode_set(manager, &crtc->mode);
+
ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
x, y, crtc_w, crtc_h);
if (ret)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 4f03242..caba299 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -184,6 +184,7 @@ struct exynos_drm_display {
* @initialize: initializes the manager with drm_dev
* @remove: cleans up the manager for removal
* @dpms: control device power.
+ * @mode_set: set the given mode to the manager
* @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
* @disable_vblank: specific driver callback for disabling vblank interrupt.
@@ -200,6 +201,8 @@ struct exynos_drm_manager_ops {
struct drm_device *drm_dev, int pipe);
void (*remove)(struct exynos_drm_manager *mgr);
void (*dpms)(struct exynos_drm_manager *mgr, int mode);
+ void (*mode_set)(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode);
void (*commit)(struct exynos_drm_manager *mgr);
int (*enable_vblank)(struct exynos_drm_manager *mgr);
void (*disable_vblank)(struct exynos_drm_manager *mgr);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 20/34] drm/exynos: Implement mode_fixup manager operation
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (18 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 19/34] drm/exynos: Add mode_set manager operation Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd Sean Paul
` (16 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch adds a new manager callback for mode_fixup and pipes it
through exynos_drm_crtc. This will allow the manager drivers to
alter the mode during modeset.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Added more detail to the commit msg
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 7 ++++++-
drivers/gpu/drm/exynos/exynos_drm_drv.h | 4 ++++
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index a5cb104..100a561 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -105,7 +105,12 @@ exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
- /* drm framework doesn't check NULL */
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ struct exynos_drm_manager *manager = exynos_crtc->manager;
+
+ if (manager->ops->mode_fixup)
+ return manager->ops->mode_fixup(manager, mode, adjusted_mode);
+
return true;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index caba299..81f7de4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -184,6 +184,7 @@ struct exynos_drm_display {
* @initialize: initializes the manager with drm_dev
* @remove: cleans up the manager for removal
* @dpms: control device power.
+ * @mode_fixup: fix mode data before applying it
* @mode_set: set the given mode to the manager
* @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
@@ -201,6 +202,9 @@ struct exynos_drm_manager_ops {
struct drm_device *drm_dev, int pipe);
void (*remove)(struct exynos_drm_manager *mgr);
void (*dpms)(struct exynos_drm_manager *mgr, int mode);
+ bool (*mode_fixup)(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
void (*mode_set)(struct exynos_drm_manager *mgr,
const struct drm_display_mode *mode);
void (*commit)(struct exynos_drm_manager *mgr);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (19 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 20/34] drm/exynos: Implement mode_fixup " Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-02-10 10:36 ` Andrzej Hajda
2014-01-30 21:19 ` [PATCH v4 22/34] drm/exynos: Remove unused/useless fimd_context members Sean Paul
` (15 subsequent siblings)
36 siblings, 1 reply; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch uses the mode passed into mode_set to configure fimd instead
of directly using the panel from context. This will allow us to move
the exynos_drm_display implementation out of fimd, where it doesn't
belong.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Use mode supplied via mode_set directly when persisting to HW
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 143 ++++++++++++++++---------------
1 file changed, 74 insertions(+), 69 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index dc8c5e4..53d92fe 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -112,8 +112,8 @@ struct fimd_context {
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
+ struct drm_display_mode mode;
struct fimd_win_data win_data[WINDOWS_NR];
- unsigned int clkdiv;
unsigned int default_win;
unsigned long irq_flags;
u32 vidcon0;
@@ -221,38 +221,82 @@ static void fimd_mgr_remove(struct exynos_drm_manager *mgr)
drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
}
+static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
+ const struct drm_display_mode *mode)
+{
+ unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh;
+ u32 clkdiv;
+
+ /* Find the clock divider value that gets us closest to ideal_clk */
+ clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk);
+
+ return (clkdiv < 0x100) ? clkdiv : 0xff;
+}
+
+static bool fimd_mode_fixup(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ if (adjusted_mode->vrefresh == 0)
+ adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
+
+ return true;
+}
+
+static void fimd_mode_set(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *in_mode)
+{
+ struct fimd_context *ctx = mgr->ctx;
+
+ drm_mode_copy(&ctx->mode, in_mode);
+}
+
static void fimd_commit(struct exynos_drm_manager *mgr)
{
struct fimd_context *ctx = mgr->ctx;
- struct exynos_drm_panel_info *panel = &ctx->panel;
- struct videomode *vm = &panel->vm;
+ struct drm_display_mode *mode = &ctx->mode;
struct fimd_driver_data *driver_data;
- u32 val;
+ u32 val, clkdiv;
+ int hblank, vblank, vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd;
driver_data = ctx->driver_data;
if (ctx->suspended)
return;
+ /* nothing to do if we haven't set the mode yet */
+ if (mode->htotal == 0 || mode->vtotal == 0)
+ return;
+
/* setup polarity values from machine code. */
writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
/* setup vertical timing values. */
- val = VIDTCON0_VBPD(vm->vback_porch - 1) |
- VIDTCON0_VFPD(vm->vfront_porch - 1) |
- VIDTCON0_VSPW(vm->vsync_len - 1);
+ vblank = mode->crtc_vblank_end - mode->crtc_vblank_start;
+ vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ vbpd = (vblank - vsync_len) / 2;
+ vfpd = vblank - vsync_len - vbpd;
+
+ val = VIDTCON0_VBPD(vbpd - 1) |
+ VIDTCON0_VFPD(vfpd - 1) |
+ VIDTCON0_VSPW(vsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON0);
/* setup horizontal timing values. */
- val = VIDTCON1_HBPD(vm->hback_porch - 1) |
- VIDTCON1_HFPD(vm->hfront_porch - 1) |
- VIDTCON1_HSPW(vm->hsync_len - 1);
+ hblank = mode->crtc_hblank_end - mode->crtc_hblank_start;
+ hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
+ hbpd = (hblank - hsync_len) / 2;
+ hfpd = hblank - hsync_len - hbpd;
+
+ val = VIDTCON1_HBPD(hbpd - 1) |
+ VIDTCON1_HFPD(hfpd - 1) |
+ VIDTCON1_HSPW(hsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON1);
/* setup horizontal and vertical display size. */
- val = VIDTCON2_LINEVAL(vm->vactive - 1) |
- VIDTCON2_HOZVAL(vm->hactive - 1) |
- VIDTCON2_LINEVAL_E(vm->vactive - 1) |
- VIDTCON2_HOZVAL_E(vm->hactive - 1);
+ val = VIDTCON2_LINEVAL(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL(mode->hdisplay - 1) |
+ VIDTCON2_LINEVAL_E(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL_E(mode->hdisplay - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON2);
/* setup clock source, clock divider, enable dma. */
@@ -264,8 +308,9 @@ static void fimd_commit(struct exynos_drm_manager *mgr)
val |= VIDCON0_CLKSEL_LCD;
}
- if (ctx->clkdiv > 1)
- val |= VIDCON0_CLKVAL_F(ctx->clkdiv - 1) | VIDCON0_CLKDIR;
+ clkdiv = fimd_calc_clkdiv(ctx, mode);
+ if (clkdiv > 1)
+ val |= VIDCON0_CLKVAL_F(clkdiv - 1) | VIDCON0_CLKDIR;
else
val &= ~VIDCON0_CLKDIR; /* 1:1 clock */
@@ -683,6 +728,8 @@ static struct exynos_drm_manager_ops fimd_manager_ops = {
.initialize = fimd_mgr_initialize,
.remove = fimd_mgr_remove,
.dpms = fimd_dpms,
+ .mode_fixup = fimd_mode_fixup,
+ .mode_set = fimd_mode_set,
.commit = fimd_commit,
.enable_vblank = fimd_enable_vblank,
.disable_vblank = fimd_disable_vblank,
@@ -724,56 +771,6 @@ out:
return IRQ_HANDLED;
}
-static int fimd_configure_clocks(struct fimd_context *ctx, struct device *dev)
-{
- struct videomode *vm = &ctx->panel.vm;
- unsigned long clk;
-
- ctx->bus_clk = devm_clk_get(dev, "fimd");
- if (IS_ERR(ctx->bus_clk)) {
- dev_err(dev, "failed to get bus clock\n");
- return PTR_ERR(ctx->bus_clk);
- }
-
- ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
- if (IS_ERR(ctx->lcd_clk)) {
- dev_err(dev, "failed to get lcd clock\n");
- return PTR_ERR(ctx->lcd_clk);
- }
-
- clk = clk_get_rate(ctx->lcd_clk);
- if (clk == 0) {
- dev_err(dev, "error getting sclk_fimd clock rate\n");
- return -EINVAL;
- }
-
- if (vm->pixelclock == 0) {
- unsigned long c;
- c = vm->hactive + vm->hback_porch + vm->hfront_porch +
- vm->hsync_len;
- c *= vm->vactive + vm->vback_porch + vm->vfront_porch +
- vm->vsync_len;
- vm->pixelclock = c * FIMD_DEFAULT_FRAMERATE;
- if (vm->pixelclock == 0) {
- dev_err(dev, "incorrect display timings\n");
- return -EINVAL;
- }
- dev_warn(dev, "pixel clock recalculated to %luHz (%dHz frame rate)\n",
- vm->pixelclock, FIMD_DEFAULT_FRAMERATE);
- }
- ctx->clkdiv = DIV_ROUND_UP(clk, vm->pixelclock);
- if (ctx->clkdiv > 256) {
- dev_warn(dev, "calculated pixel clock divider too high (%u), lowered to 256\n",
- ctx->clkdiv);
- ctx->clkdiv = 256;
- }
- vm->pixelclock = clk / ctx->clkdiv;
- DRM_DEBUG_KMS("pixel clock = %lu, clkdiv = %d\n", vm->pixelclock,
- ctx->clkdiv);
-
- return 0;
-}
-
static void fimd_clear_win(struct fimd_context *ctx, int win)
{
writel(0, ctx->regs + WINCON(win));
@@ -926,9 +923,17 @@ static int fimd_probe(struct platform_device *pdev)
if (ret)
return ret;
- ret = fimd_configure_clocks(ctx, dev);
- if (ret)
- return ret;
+ ctx->bus_clk = devm_clk_get(dev, "fimd");
+ if (IS_ERR(ctx->bus_clk)) {
+ dev_err(dev, "failed to get bus clock\n");
+ return PTR_ERR(ctx->bus_clk);
+ }
+
+ ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
+ if (IS_ERR(ctx->lcd_clk)) {
+ dev_err(dev, "failed to get lcd clock\n");
+ return PTR_ERR(ctx->lcd_clk);
+ }
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 22/34] drm/exynos: Remove unused/useless fimd_context members
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (20 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 23/34] drm/exynos: Move dp driver from video/ to drm/ Sean Paul
` (14 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch removes a few fimd_context members which are either entirely
unused or unneeded.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 53d92fe..9419513 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -107,8 +107,6 @@ struct fimd_win_data {
struct fimd_context {
struct device *dev;
struct drm_device *drm_dev;
- int irq;
- struct drm_crtc *crtc;
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
@@ -120,7 +118,6 @@ struct fimd_context {
u32 vidcon1;
bool suspended;
int pipe;
- struct mutex lock;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
@@ -697,8 +694,6 @@ static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
DRM_DEBUG_KMS("%d\n", mode);
- mutex_lock(&ctx->lock);
-
switch (mode) {
case DRM_MODE_DPMS_ON:
/*
@@ -720,8 +715,6 @@ static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
DRM_DEBUG_KMS("unspecified mode %d\n", mode);
break;
}
-
- mutex_unlock(&ctx->lock);
}
static struct exynos_drm_manager_ops fimd_manager_ops = {
@@ -947,9 +940,7 @@ static int fimd_probe(struct platform_device *pdev)
return -ENXIO;
}
- ctx->irq = res->start;
-
- ret = devm_request_irq(dev, ctx->irq, fimd_irq_handler,
+ ret = devm_request_irq(dev, res->start, fimd_irq_handler,
0, "drm_fimd", ctx);
if (ret) {
dev_err(dev, "irq request failed.\n");
@@ -960,8 +951,6 @@ static int fimd_probe(struct platform_device *pdev)
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- mutex_init(&ctx->lock);
-
platform_set_drvdata(pdev, &fimd_manager);
fimd_manager.ctx = ctx;
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 23/34] drm/exynos: Move dp driver from video/ to drm/
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (21 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 22/34] drm/exynos: Remove unused/useless fimd_context members Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 24/34] drm/exynos: Move display implementation into dp Sean Paul
` (13 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch moves the code from video/ to drm/. This is required the DP
driver needs to power on/off in the correct order in relation to fimd.
This will also allow the DP driver to participate in drm modeset as well
as provide accurate connection detection and edid.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Added MAINTAINERS change
- Made DP config value default with DRM_EXYNOS
MAINTAINERS | 7 -
drivers/gpu/drm/exynos/Kconfig | 7 +
drivers/gpu/drm/exynos/Makefile | 1 +
drivers/gpu/drm/exynos/exynos_dp_core.c | 1155 ++++++++++++++++++++++++++++
drivers/gpu/drm/exynos/exynos_dp_core.h | 320 ++++++++
drivers/gpu/drm/exynos/exynos_dp_reg.c | 1243 +++++++++++++++++++++++++++++++
drivers/gpu/drm/exynos/exynos_dp_reg.h | 366 +++++++++
drivers/video/exynos/Kconfig | 7 -
drivers/video/exynos/Makefile | 1 -
drivers/video/exynos/exynos_dp_core.c | 1155 ----------------------------
drivers/video/exynos/exynos_dp_core.h | 320 --------
drivers/video/exynos/exynos_dp_reg.c | 1243 -------------------------------
drivers/video/exynos/exynos_dp_reg.h | 366 ---------
13 files changed, 3092 insertions(+), 3099 deletions(-)
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.c
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.h
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.c
create mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.h
delete mode 100644 drivers/video/exynos/exynos_dp_core.c
delete mode 100644 drivers/video/exynos/exynos_dp_core.h
delete mode 100644 drivers/video/exynos/exynos_dp_reg.c
delete mode 100644 drivers/video/exynos/exynos_dp_reg.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 31a0462..c04bc3f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3339,13 +3339,6 @@ S: Maintained
F: drivers/extcon/
F: Documentation/extcon/
-EXYNOS DP DRIVER
-M: Jingoo Han <jg1.han@samsung.com>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: drivers/video/exynos/exynos_dp*
-F: include/video/exynos_dp*
-
EXYNOS MIPI DISPLAY DRIVERS
M: Inki Dae <inki.dae@samsung.com>
M: Donghwa Lee <dh09.lee@samsung.com>
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 6e1a1a2..7eea698 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -31,6 +31,13 @@ config DRM_EXYNOS_FIMD
help
Choose this option if you want to use Exynos FIMD for DRM.
+config DRM_EXYNOS_DP
+ bool "EXYNOS DRM DP driver support"
+ depends on DRM_EXYNOS && ARCH_EXYNOS
+ default DRM_EXYNOS
+ help
+ This enables support for DP device.
+
config DRM_EXYNOS_HDMI
bool "Exynos DRM HDMI"
depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_TV
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index afbe499..fc8555c 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -11,6 +11,7 @@ exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o exynos_drm_connector.o \
exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o
exynosdrm-$(CONFIG_DRM_EXYNOS_DMABUF) += exynos_drm_dmabuf.o
exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_DP) += exynos_dp_core.o exynos_dp_reg.o
exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o
exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_G2D) += exynos_drm_g2d.o
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
new file mode 100644
index 0000000..b3af496
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -0,0 +1,1155 @@
+/*
+ * Samsung SoC DP (Display Port) interface driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
+ * Author: Jingoo Han <jg1.han@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/of.h>
+#include <linux/phy/phy.h>
+
+#include "exynos_dp_core.h"
+
+static int exynos_dp_init_dp(struct exynos_dp_device *dp)
+{
+ exynos_dp_reset(dp);
+
+ exynos_dp_swreset(dp);
+
+ exynos_dp_init_analog_param(dp);
+ exynos_dp_init_interrupt(dp);
+
+ /* SW defined function Normal operation */
+ exynos_dp_enable_sw_function(dp);
+
+ exynos_dp_config_interrupt(dp);
+ exynos_dp_init_analog_func(dp);
+
+ exynos_dp_init_hpd(dp);
+ exynos_dp_init_aux(dp);
+
+ return 0;
+}
+
+static int exynos_dp_detect_hpd(struct exynos_dp_device *dp)
+{
+ int timeout_loop = 0;
+
+ while (exynos_dp_get_plug_in_status(dp) != 0) {
+ timeout_loop++;
+ if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
+ dev_err(dp->dev, "failed to get hpd plug status\n");
+ return -ETIMEDOUT;
+ }
+ usleep_range(10, 11);
+ }
+
+ return 0;
+}
+
+static unsigned char exynos_dp_calc_edid_check_sum(unsigned char *edid_data)
+{
+ int i;
+ unsigned char sum = 0;
+
+ for (i = 0; i < EDID_BLOCK_LENGTH; i++)
+ sum = sum + edid_data[i];
+
+ return sum;
+}
+
+static int exynos_dp_read_edid(struct exynos_dp_device *dp)
+{
+ unsigned char edid[EDID_BLOCK_LENGTH * 2];
+ unsigned int extend_block = 0;
+ unsigned char sum;
+ unsigned char test_vector;
+ int retval;
+
+ /*
+ * EDID device address is 0x50.
+ * However, if necessary, you must have set upper address
+ * into E-EDID in I2C device, 0x30.
+ */
+
+ /* Read Extension Flag, Number of 128-byte EDID extension blocks */
+ retval = exynos_dp_read_byte_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
+ EDID_EXTENSION_FLAG,
+ &extend_block);
+ if (retval)
+ return retval;
+
+ if (extend_block > 0) {
+ dev_dbg(dp->dev, "EDID data includes a single extension!\n");
+
+ /* Read EDID data */
+ retval = exynos_dp_read_bytes_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
+ EDID_HEADER_PATTERN,
+ EDID_BLOCK_LENGTH,
+ &edid[EDID_HEADER_PATTERN]);
+ if (retval != 0) {
+ dev_err(dp->dev, "EDID Read failed!\n");
+ return -EIO;
+ }
+ sum = exynos_dp_calc_edid_check_sum(edid);
+ if (sum != 0) {
+ dev_err(dp->dev, "EDID bad checksum!\n");
+ return -EIO;
+ }
+
+ /* Read additional EDID data */
+ retval = exynos_dp_read_bytes_from_i2c(dp,
+ I2C_EDID_DEVICE_ADDR,
+ EDID_BLOCK_LENGTH,
+ EDID_BLOCK_LENGTH,
+ &edid[EDID_BLOCK_LENGTH]);
+ if (retval != 0) {
+ dev_err(dp->dev, "EDID Read failed!\n");
+ return -EIO;
+ }
+ sum = exynos_dp_calc_edid_check_sum(&edid[EDID_BLOCK_LENGTH]);
+ if (sum != 0) {
+ dev_err(dp->dev, "EDID bad checksum!\n");
+ return -EIO;
+ }
+
+ exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_TEST_REQUEST,
+ &test_vector);
+ if (test_vector & DPCD_TEST_EDID_READ) {
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TEST_EDID_CHECKSUM,
+ edid[EDID_BLOCK_LENGTH + EDID_CHECKSUM]);
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TEST_RESPONSE,
+ DPCD_TEST_EDID_CHECKSUM_WRITE);
+ }
+ } else {
+ dev_info(dp->dev, "EDID data does not include any extensions.\n");
+
+ /* Read EDID data */
+ retval = exynos_dp_read_bytes_from_i2c(dp,
+ I2C_EDID_DEVICE_ADDR,
+ EDID_HEADER_PATTERN,
+ EDID_BLOCK_LENGTH,
+ &edid[EDID_HEADER_PATTERN]);
+ if (retval != 0) {
+ dev_err(dp->dev, "EDID Read failed!\n");
+ return -EIO;
+ }
+ sum = exynos_dp_calc_edid_check_sum(edid);
+ if (sum != 0) {
+ dev_err(dp->dev, "EDID bad checksum!\n");
+ return -EIO;
+ }
+
+ exynos_dp_read_byte_from_dpcd(dp,
+ DPCD_ADDR_TEST_REQUEST,
+ &test_vector);
+ if (test_vector & DPCD_TEST_EDID_READ) {
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TEST_EDID_CHECKSUM,
+ edid[EDID_CHECKSUM]);
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TEST_RESPONSE,
+ DPCD_TEST_EDID_CHECKSUM_WRITE);
+ }
+ }
+
+ dev_err(dp->dev, "EDID Read success!\n");
+ return 0;
+}
+
+static int exynos_dp_handle_edid(struct exynos_dp_device *dp)
+{
+ u8 buf[12];
+ int i;
+ int retval;
+
+ /* Read DPCD DPCD_ADDR_DPCD_REV~RECEIVE_PORT1_CAP_1 */
+ retval = exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_DPCD_REV,
+ 12, buf);
+ if (retval)
+ return retval;
+
+ /* Read EDID */
+ for (i = 0; i < 3; i++) {
+ retval = exynos_dp_read_edid(dp);
+ if (!retval)
+ break;
+ }
+
+ return retval;
+}
+
+static void exynos_dp_enable_rx_to_enhanced_mode(struct exynos_dp_device *dp,
+ bool enable)
+{
+ u8 data;
+
+ exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET, &data);
+
+ if (enable)
+ exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET,
+ DPCD_ENHANCED_FRAME_EN |
+ DPCD_LANE_COUNT_SET(data));
+ else
+ exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET,
+ DPCD_LANE_COUNT_SET(data));
+}
+
+static int exynos_dp_is_enhanced_mode_available(struct exynos_dp_device *dp)
+{
+ u8 data;
+ int retval;
+
+ exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LANE_COUNT, &data);
+ retval = DPCD_ENHANCED_FRAME_CAP(data);
+
+ return retval;
+}
+
+static void exynos_dp_set_enhanced_mode(struct exynos_dp_device *dp)
+{
+ u8 data;
+
+ data = exynos_dp_is_enhanced_mode_available(dp);
+ exynos_dp_enable_rx_to_enhanced_mode(dp, data);
+ exynos_dp_enable_enhanced_mode(dp, data);
+}
+
+static void exynos_dp_training_pattern_dis(struct exynos_dp_device *dp)
+{
+ exynos_dp_set_training_pattern(dp, DP_NONE);
+
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ DPCD_TRAINING_PATTERN_DISABLED);
+}
+
+static void exynos_dp_set_lane_lane_pre_emphasis(struct exynos_dp_device *dp,
+ int pre_emphasis, int lane)
+{
+ switch (lane) {
+ case 0:
+ exynos_dp_set_lane0_pre_emphasis(dp, pre_emphasis);
+ break;
+ case 1:
+ exynos_dp_set_lane1_pre_emphasis(dp, pre_emphasis);
+ break;
+
+ case 2:
+ exynos_dp_set_lane2_pre_emphasis(dp, pre_emphasis);
+ break;
+
+ case 3:
+ exynos_dp_set_lane3_pre_emphasis(dp, pre_emphasis);
+ break;
+ }
+}
+
+static int exynos_dp_link_start(struct exynos_dp_device *dp)
+{
+ u8 buf[4];
+ int lane, lane_count, pll_tries, retval;
+
+ lane_count = dp->link_train.lane_count;
+
+ dp->link_train.lt_state = CLOCK_RECOVERY;
+ dp->link_train.eq_loop = 0;
+
+ for (lane = 0; lane < lane_count; lane++)
+ dp->link_train.cr_loop[lane] = 0;
+
+ /* Set link rate and count as you want to establish*/
+ exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate);
+ exynos_dp_set_lane_count(dp, dp->link_train.lane_count);
+
+ /* Setup RX configuration */
+ buf[0] = dp->link_train.link_rate;
+ buf[1] = dp->link_train.lane_count;
+ retval = exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_LINK_BW_SET,
+ 2, buf);
+ if (retval)
+ return retval;
+
+ /* Set TX pre-emphasis to minimum */
+ for (lane = 0; lane < lane_count; lane++)
+ exynos_dp_set_lane_lane_pre_emphasis(dp,
+ PRE_EMPHASIS_LEVEL_0, lane);
+
+ /* Wait for PLL lock */
+ pll_tries = 0;
+ while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
+ if (pll_tries == DP_TIMEOUT_LOOP_COUNT) {
+ dev_err(dp->dev, "Wait for PLL lock timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ pll_tries++;
+ usleep_range(90, 120);
+ }
+
+ /* Set training pattern 1 */
+ exynos_dp_set_training_pattern(dp, TRAINING_PTN1);
+
+ /* Set RX training pattern */
+ retval = exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ DPCD_SCRAMBLING_DISABLED | DPCD_TRAINING_PATTERN_1);
+ if (retval)
+ return retval;
+
+ for (lane = 0; lane < lane_count; lane++)
+ buf[lane] = DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 |
+ DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0;
+
+ retval = exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_TRAINING_LANE0_SET,
+ lane_count, buf);
+
+ return retval;
+}
+
+static unsigned char exynos_dp_get_lane_status(u8 link_status[2], int lane)
+{
+ int shift = (lane & 1) * 4;
+ u8 link_value = link_status[lane>>1];
+
+ return (link_value >> shift) & 0xf;
+}
+
+static int exynos_dp_clock_recovery_ok(u8 link_status[2], int lane_count)
+{
+ int lane;
+ u8 lane_status;
+
+ for (lane = 0; lane < lane_count; lane++) {
+ lane_status = exynos_dp_get_lane_status(link_status, lane);
+ if ((lane_status & DPCD_LANE_CR_DONE) == 0)
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int exynos_dp_channel_eq_ok(u8 link_status[2], u8 link_align,
+ int lane_count)
+{
+ int lane;
+ u8 lane_status;
+
+ if ((link_align & DPCD_INTERLANE_ALIGN_DONE) == 0)
+ return -EINVAL;
+
+ for (lane = 0; lane < lane_count; lane++) {
+ lane_status = exynos_dp_get_lane_status(link_status, lane);
+ lane_status &= DPCD_CHANNEL_EQ_BITS;
+ if (lane_status != DPCD_CHANNEL_EQ_BITS)
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static unsigned char exynos_dp_get_adjust_request_voltage(u8 adjust_request[2],
+ int lane)
+{
+ int shift = (lane & 1) * 4;
+ u8 link_value = adjust_request[lane>>1];
+
+ return (link_value >> shift) & 0x3;
+}
+
+static unsigned char exynos_dp_get_adjust_request_pre_emphasis(
+ u8 adjust_request[2],
+ int lane)
+{
+ int shift = (lane & 1) * 4;
+ u8 link_value = adjust_request[lane>>1];
+
+ return ((link_value >> shift) & 0xc) >> 2;
+}
+
+static void exynos_dp_set_lane_link_training(struct exynos_dp_device *dp,
+ u8 training_lane_set, int lane)
+{
+ switch (lane) {
+ case 0:
+ exynos_dp_set_lane0_link_training(dp, training_lane_set);
+ break;
+ case 1:
+ exynos_dp_set_lane1_link_training(dp, training_lane_set);
+ break;
+
+ case 2:
+ exynos_dp_set_lane2_link_training(dp, training_lane_set);
+ break;
+
+ case 3:
+ exynos_dp_set_lane3_link_training(dp, training_lane_set);
+ break;
+ }
+}
+
+static unsigned int exynos_dp_get_lane_link_training(
+ struct exynos_dp_device *dp,
+ int lane)
+{
+ u32 reg;
+
+ switch (lane) {
+ case 0:
+ reg = exynos_dp_get_lane0_link_training(dp);
+ break;
+ case 1:
+ reg = exynos_dp_get_lane1_link_training(dp);
+ break;
+ case 2:
+ reg = exynos_dp_get_lane2_link_training(dp);
+ break;
+ case 3:
+ reg = exynos_dp_get_lane3_link_training(dp);
+ break;
+ default:
+ WARN_ON(1);
+ return 0;
+ }
+
+ return reg;
+}
+
+static void exynos_dp_reduce_link_rate(struct exynos_dp_device *dp)
+{
+ exynos_dp_training_pattern_dis(dp);
+ exynos_dp_set_enhanced_mode(dp);
+
+ dp->link_train.lt_state = FAILED;
+}
+
+static void exynos_dp_get_adjust_training_lane(struct exynos_dp_device *dp,
+ u8 adjust_request[2])
+{
+ int lane, lane_count;
+ u8 voltage_swing, pre_emphasis, training_lane;
+
+ lane_count = dp->link_train.lane_count;
+ for (lane = 0; lane < lane_count; lane++) {
+ voltage_swing = exynos_dp_get_adjust_request_voltage(
+ adjust_request, lane);
+ pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
+ adjust_request, lane);
+ training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
+ DPCD_PRE_EMPHASIS_SET(pre_emphasis);
+
+ if (voltage_swing == VOLTAGE_LEVEL_3)
+ training_lane |= DPCD_MAX_SWING_REACHED;
+ if (pre_emphasis == PRE_EMPHASIS_LEVEL_3)
+ training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED;
+
+ dp->link_train.training_lane[lane] = training_lane;
+ }
+}
+
+static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp)
+{
+ int lane, lane_count, retval;
+ u8 voltage_swing, pre_emphasis, training_lane;
+ u8 link_status[2], adjust_request[2];
+
+ usleep_range(100, 101);
+
+ lane_count = dp->link_train.lane_count;
+
+ retval = exynos_dp_read_bytes_from_dpcd(dp,
+ DPCD_ADDR_LANE0_1_STATUS, 2, link_status);
+ if (retval)
+ return retval;
+
+ retval = exynos_dp_read_bytes_from_dpcd(dp,
+ DPCD_ADDR_ADJUST_REQUEST_LANE0_1, 2, adjust_request);
+ if (retval)
+ return retval;
+
+ if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) {
+ /* set training pattern 2 for EQ */
+ exynos_dp_set_training_pattern(dp, TRAINING_PTN2);
+
+ retval = exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ DPCD_SCRAMBLING_DISABLED |
+ DPCD_TRAINING_PATTERN_2);
+ if (retval)
+ return retval;
+
+ dev_info(dp->dev, "Link Training Clock Recovery success\n");
+ dp->link_train.lt_state = EQUALIZER_TRAINING;
+ } else {
+ for (lane = 0; lane < lane_count; lane++) {
+ training_lane = exynos_dp_get_lane_link_training(
+ dp, lane);
+ voltage_swing = exynos_dp_get_adjust_request_voltage(
+ adjust_request, lane);
+ pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
+ adjust_request, lane);
+
+ if (DPCD_VOLTAGE_SWING_GET(training_lane) ==
+ voltage_swing &&
+ DPCD_PRE_EMPHASIS_GET(training_lane) ==
+ pre_emphasis)
+ dp->link_train.cr_loop[lane]++;
+
+ if (dp->link_train.cr_loop[lane] == MAX_CR_LOOP ||
+ voltage_swing == VOLTAGE_LEVEL_3 ||
+ pre_emphasis == PRE_EMPHASIS_LEVEL_3) {
+ dev_err(dp->dev, "CR Max reached (%d,%d,%d)\n",
+ dp->link_train.cr_loop[lane],
+ voltage_swing, pre_emphasis);
+ exynos_dp_reduce_link_rate(dp);
+ return -EIO;
+ }
+ }
+ }
+
+ exynos_dp_get_adjust_training_lane(dp, adjust_request);
+
+ for (lane = 0; lane < lane_count; lane++)
+ exynos_dp_set_lane_link_training(dp,
+ dp->link_train.training_lane[lane], lane);
+
+ retval = exynos_dp_write_bytes_to_dpcd(dp,
+ DPCD_ADDR_TRAINING_LANE0_SET, lane_count,
+ dp->link_train.training_lane);
+ if (retval)
+ return retval;
+
+ return retval;
+}
+
+static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
+{
+ int lane, lane_count, retval;
+ u32 reg;
+ u8 link_align, link_status[2], adjust_request[2];
+
+ usleep_range(400, 401);
+
+ lane_count = dp->link_train.lane_count;
+
+ retval = exynos_dp_read_bytes_from_dpcd(dp,
+ DPCD_ADDR_LANE0_1_STATUS, 2, link_status);
+ if (retval)
+ return retval;
+
+ if (exynos_dp_clock_recovery_ok(link_status, lane_count)) {
+ exynos_dp_reduce_link_rate(dp);
+ return -EIO;
+ }
+
+ retval = exynos_dp_read_bytes_from_dpcd(dp,
+ DPCD_ADDR_ADJUST_REQUEST_LANE0_1, 2, adjust_request);
+ if (retval)
+ return retval;
+
+ retval = exynos_dp_read_byte_from_dpcd(dp,
+ DPCD_ADDR_LANE_ALIGN_STATUS_UPDATED, &link_align);
+ if (retval)
+ return retval;
+
+ exynos_dp_get_adjust_training_lane(dp, adjust_request);
+
+ if (!exynos_dp_channel_eq_ok(link_status, link_align, lane_count)) {
+ /* traing pattern Set to Normal */
+ exynos_dp_training_pattern_dis(dp);
+
+ dev_info(dp->dev, "Link Training success!\n");
+
+ exynos_dp_get_link_bandwidth(dp, ®);
+ dp->link_train.link_rate = reg;
+ dev_dbg(dp->dev, "final bandwidth = %.2x\n",
+ dp->link_train.link_rate);
+
+ exynos_dp_get_lane_count(dp, ®);
+ dp->link_train.lane_count = reg;
+ dev_dbg(dp->dev, "final lane count = %.2x\n",
+ dp->link_train.lane_count);
+
+ /* set enhanced mode if available */
+ exynos_dp_set_enhanced_mode(dp);
+ dp->link_train.lt_state = FINISHED;
+
+ return 0;
+ }
+
+ /* not all locked */
+ dp->link_train.eq_loop++;
+
+ if (dp->link_train.eq_loop > MAX_EQ_LOOP) {
+ dev_err(dp->dev, "EQ Max loop\n");
+ exynos_dp_reduce_link_rate(dp);
+ return -EIO;
+ }
+
+ for (lane = 0; lane < lane_count; lane++)
+ exynos_dp_set_lane_link_training(dp,
+ dp->link_train.training_lane[lane], lane);
+
+ retval = exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_TRAINING_LANE0_SET,
+ lane_count, dp->link_train.training_lane);
+
+ return retval;
+}
+
+static void exynos_dp_get_max_rx_bandwidth(struct exynos_dp_device *dp,
+ u8 *bandwidth)
+{
+ u8 data;
+
+ /*
+ * For DP rev.1.1, Maximum link rate of Main Link lanes
+ * 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps
+ */
+ exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LINK_RATE, &data);
+ *bandwidth = data;
+}
+
+static void exynos_dp_get_max_rx_lane_count(struct exynos_dp_device *dp,
+ u8 *lane_count)
+{
+ u8 data;
+
+ /*
+ * For DP rev.1.1, Maximum number of Main Link lanes
+ * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes
+ */
+ exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LANE_COUNT, &data);
+ *lane_count = DPCD_MAX_LANE_COUNT(data);
+}
+
+static void exynos_dp_init_training(struct exynos_dp_device *dp,
+ enum link_lane_count_type max_lane,
+ enum link_rate_type max_rate)
+{
+ /*
+ * MACRO_RST must be applied after the PLL_LOCK to avoid
+ * the DP inter pair skew issue for at least 10 us
+ */
+ exynos_dp_reset_macro(dp);
+
+ /* Initialize by reading RX's DPCD */
+ exynos_dp_get_max_rx_bandwidth(dp, &dp->link_train.link_rate);
+ exynos_dp_get_max_rx_lane_count(dp, &dp->link_train.lane_count);
+
+ if ((dp->link_train.link_rate != LINK_RATE_1_62GBPS) &&
+ (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
+ dev_err(dp->dev, "Rx Max Link Rate is abnormal :%x !\n",
+ dp->link_train.link_rate);
+ dp->link_train.link_rate = LINK_RATE_1_62GBPS;
+ }
+
+ if (dp->link_train.lane_count == 0) {
+ dev_err(dp->dev, "Rx Max Lane count is abnormal :%x !\n",
+ dp->link_train.lane_count);
+ dp->link_train.lane_count = (u8)LANE_COUNT1;
+ }
+
+ /* Setup TX lane count & rate */
+ if (dp->link_train.lane_count > max_lane)
+ dp->link_train.lane_count = max_lane;
+ if (dp->link_train.link_rate > max_rate)
+ dp->link_train.link_rate = max_rate;
+
+ /* All DP analog module power up */
+ exynos_dp_set_analog_power_down(dp, POWER_ALL, 0);
+}
+
+static int exynos_dp_sw_link_training(struct exynos_dp_device *dp)
+{
+ int retval = 0, training_finished = 0;
+
+ dp->link_train.lt_state = START;
+
+ /* Process here */
+ while (!retval && !training_finished) {
+ switch (dp->link_train.lt_state) {
+ case START:
+ retval = exynos_dp_link_start(dp);
+ if (retval)
+ dev_err(dp->dev, "LT link start failed!\n");
+ break;
+ case CLOCK_RECOVERY:
+ retval = exynos_dp_process_clock_recovery(dp);
+ if (retval)
+ dev_err(dp->dev, "LT CR failed!\n");
+ break;
+ case EQUALIZER_TRAINING:
+ retval = exynos_dp_process_equalizer_training(dp);
+ if (retval)
+ dev_err(dp->dev, "LT EQ failed!\n");
+ break;
+ case FINISHED:
+ training_finished = 1;
+ break;
+ case FAILED:
+ return -EREMOTEIO;
+ }
+ }
+ if (retval)
+ dev_err(dp->dev, "eDP link training failed (%d)\n", retval);
+
+ return retval;
+}
+
+static int exynos_dp_set_link_train(struct exynos_dp_device *dp,
+ u32 count,
+ u32 bwtype)
+{
+ int i;
+ int retval;
+
+ for (i = 0; i < DP_TIMEOUT_LOOP_COUNT; i++) {
+ exynos_dp_init_training(dp, count, bwtype);
+ retval = exynos_dp_sw_link_training(dp);
+ if (retval == 0)
+ break;
+
+ usleep_range(100, 110);
+ }
+
+ return retval;
+}
+
+static int exynos_dp_config_video(struct exynos_dp_device *dp)
+{
+ int retval = 0;
+ int timeout_loop = 0;
+ int done_count = 0;
+
+ exynos_dp_config_video_slave_mode(dp);
+
+ exynos_dp_set_video_color_format(dp);
+
+ if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
+ dev_err(dp->dev, "PLL is not locked yet.\n");
+ return -EINVAL;
+ }
+
+ for (;;) {
+ timeout_loop++;
+ if (exynos_dp_is_slave_video_stream_clock_on(dp) == 0)
+ break;
+ if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
+ dev_err(dp->dev, "Timeout of video streamclk ok\n");
+ return -ETIMEDOUT;
+ }
+
+ usleep_range(1, 2);
+ }
+
+ /* Set to use the register calculated M/N video */
+ exynos_dp_set_video_cr_mn(dp, CALCULATED_M, 0, 0);
+
+ /* For video bist, Video timing must be generated by register */
+ exynos_dp_set_video_timing_mode(dp, VIDEO_TIMING_FROM_CAPTURE);
+
+ /* Disable video mute */
+ exynos_dp_enable_video_mute(dp, 0);
+
+ /* Configure video slave mode */
+ exynos_dp_enable_video_master(dp, 0);
+
+ /* Enable video */
+ exynos_dp_start_video(dp);
+
+ timeout_loop = 0;
+
+ for (;;) {
+ timeout_loop++;
+ if (exynos_dp_is_video_stream_on(dp) == 0) {
+ done_count++;
+ if (done_count > 10)
+ break;
+ } else if (done_count) {
+ done_count = 0;
+ }
+ if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
+ dev_err(dp->dev, "Timeout of video streamclk ok\n");
+ return -ETIMEDOUT;
+ }
+
+ usleep_range(1000, 1001);
+ }
+
+ if (retval != 0)
+ dev_err(dp->dev, "Video stream is not detected!\n");
+
+ return retval;
+}
+
+static void exynos_dp_enable_scramble(struct exynos_dp_device *dp, bool enable)
+{
+ u8 data;
+
+ if (enable) {
+ exynos_dp_enable_scrambling(dp);
+
+ exynos_dp_read_byte_from_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ &data);
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ (u8)(data & ~DPCD_SCRAMBLING_DISABLED));
+ } else {
+ exynos_dp_disable_scrambling(dp);
+
+ exynos_dp_read_byte_from_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ &data);
+ exynos_dp_write_byte_to_dpcd(dp,
+ DPCD_ADDR_TRAINING_PATTERN_SET,
+ (u8)(data | DPCD_SCRAMBLING_DISABLED));
+ }
+}
+
+static irqreturn_t exynos_dp_irq_handler(int irq, void *arg)
+{
+ struct exynos_dp_device *dp = arg;
+
+ enum dp_irq_type irq_type;
+
+ irq_type = exynos_dp_get_irq_type(dp);
+ switch (irq_type) {
+ case DP_IRQ_TYPE_HP_CABLE_IN:
+ dev_dbg(dp->dev, "Received irq - cable in\n");
+ schedule_work(&dp->hotplug_work);
+ exynos_dp_clear_hotplug_interrupts(dp);
+ break;
+ case DP_IRQ_TYPE_HP_CABLE_OUT:
+ dev_dbg(dp->dev, "Received irq - cable out\n");
+ exynos_dp_clear_hotplug_interrupts(dp);
+ break;
+ case DP_IRQ_TYPE_HP_CHANGE:
+ /*
+ * We get these change notifications once in a while, but there
+ * is nothing we can do with them. Just ignore it for now and
+ * only handle cable changes.
+ */
+ dev_dbg(dp->dev, "Received irq - hotplug change; ignoring.\n");
+ exynos_dp_clear_hotplug_interrupts(dp);
+ break;
+ default:
+ dev_err(dp->dev, "Received irq - unknown type!\n");
+ break;
+ }
+ return IRQ_HANDLED;
+}
+
+static void exynos_dp_hotplug(struct work_struct *work)
+{
+ struct exynos_dp_device *dp;
+ int ret;
+
+ dp = container_of(work, struct exynos_dp_device, hotplug_work);
+
+ ret = exynos_dp_detect_hpd(dp);
+ if (ret) {
+ /* Cable has been disconnected, we're done */
+ return;
+ }
+
+ ret = exynos_dp_handle_edid(dp);
+ if (ret) {
+ dev_err(dp->dev, "unable to handle edid\n");
+ return;
+ }
+
+ ret = exynos_dp_set_link_train(dp, dp->video_info->lane_count,
+ dp->video_info->link_rate);
+ if (ret) {
+ dev_err(dp->dev, "unable to do link train\n");
+ return;
+ }
+
+ exynos_dp_enable_scramble(dp, 1);
+ exynos_dp_enable_rx_to_enhanced_mode(dp, 1);
+ exynos_dp_enable_enhanced_mode(dp, 1);
+
+ exynos_dp_set_lane_count(dp, dp->video_info->lane_count);
+ exynos_dp_set_link_bandwidth(dp, dp->video_info->link_rate);
+
+ exynos_dp_init_video(dp);
+ ret = exynos_dp_config_video(dp);
+ if (ret)
+ dev_err(dp->dev, "unable to config video\n");
+}
+
+static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
+{
+ struct device_node *dp_node = dev->of_node;
+ struct video_info *dp_video_config;
+
+ dp_video_config = devm_kzalloc(dev,
+ sizeof(*dp_video_config), GFP_KERNEL);
+ if (!dp_video_config) {
+ dev_err(dev, "memory allocation for video config failed\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ dp_video_config->h_sync_polarity =
+ of_property_read_bool(dp_node, "hsync-active-high");
+
+ dp_video_config->v_sync_polarity =
+ of_property_read_bool(dp_node, "vsync-active-high");
+
+ dp_video_config->interlaced =
+ of_property_read_bool(dp_node, "interlaced");
+
+ if (of_property_read_u32(dp_node, "samsung,color-space",
+ &dp_video_config->color_space)) {
+ dev_err(dev, "failed to get color-space\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (of_property_read_u32(dp_node, "samsung,dynamic-range",
+ &dp_video_config->dynamic_range)) {
+ dev_err(dev, "failed to get dynamic-range\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (of_property_read_u32(dp_node, "samsung,ycbcr-coeff",
+ &dp_video_config->ycbcr_coeff)) {
+ dev_err(dev, "failed to get ycbcr-coeff\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (of_property_read_u32(dp_node, "samsung,color-depth",
+ &dp_video_config->color_depth)) {
+ dev_err(dev, "failed to get color-depth\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (of_property_read_u32(dp_node, "samsung,link-rate",
+ &dp_video_config->link_rate)) {
+ dev_err(dev, "failed to get link-rate\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (of_property_read_u32(dp_node, "samsung,lane-count",
+ &dp_video_config->lane_count)) {
+ dev_err(dev, "failed to get lane-count\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ return dp_video_config;
+}
+
+static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
+{
+ struct device_node *dp_phy_node = of_node_get(dp->dev->of_node);
+ u32 phy_base;
+ int ret = 0;
+
+ dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy");
+ if (!dp_phy_node) {
+ dp->phy = devm_phy_get(dp->dev, "dp");
+ if (IS_ERR(dp->phy))
+ return PTR_ERR(dp->phy);
+ else
+ return 0;
+ }
+
+ if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) {
+ dev_err(dp->dev, "failed to get reg for dptx-phy\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (of_property_read_u32(dp_phy_node, "samsung,enable-mask",
+ &dp->enable_mask)) {
+ dev_err(dp->dev, "failed to get enable-mask for dptx-phy\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ dp->phy_addr = ioremap(phy_base, SZ_4);
+ if (!dp->phy_addr) {
+ dev_err(dp->dev, "failed to ioremap dp-phy\n");
+ ret = -ENOMEM;
+ goto err;
+ }
+
+err:
+ of_node_put(dp_phy_node);
+
+ return ret;
+}
+
+static void exynos_dp_phy_init(struct exynos_dp_device *dp)
+{
+ if (dp->phy) {
+ phy_power_on(dp->phy);
+ } else if (dp->phy_addr) {
+ u32 reg;
+
+ reg = __raw_readl(dp->phy_addr);
+ reg |= dp->enable_mask;
+ __raw_writel(reg, dp->phy_addr);
+ }
+}
+
+static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
+{
+ if (dp->phy) {
+ phy_power_off(dp->phy);
+ } else if (dp->phy_addr) {
+ u32 reg;
+
+ reg = __raw_readl(dp->phy_addr);
+ reg &= ~(dp->enable_mask);
+ __raw_writel(reg, dp->phy_addr);
+ }
+}
+
+static int exynos_dp_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct exynos_dp_device *dp;
+
+ int ret = 0;
+
+ dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
+ GFP_KERNEL);
+ if (!dp) {
+ dev_err(&pdev->dev, "no memory for device data\n");
+ return -ENOMEM;
+ }
+
+ dp->dev = &pdev->dev;
+
+ dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev);
+ if (IS_ERR(dp->video_info))
+ return PTR_ERR(dp->video_info);
+
+ ret = exynos_dp_dt_parse_phydata(dp);
+ if (ret)
+ return ret;
+
+ dp->clock = devm_clk_get(&pdev->dev, "dp");
+ if (IS_ERR(dp->clock)) {
+ dev_err(&pdev->dev, "failed to get clock\n");
+ return PTR_ERR(dp->clock);
+ }
+
+ clk_prepare_enable(dp->clock);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ dp->reg_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(dp->reg_base))
+ return PTR_ERR(dp->reg_base);
+
+ dp->irq = platform_get_irq(pdev, 0);
+ if (dp->irq == -ENXIO) {
+ dev_err(&pdev->dev, "failed to get irq\n");
+ return -ENODEV;
+ }
+
+ INIT_WORK(&dp->hotplug_work, exynos_dp_hotplug);
+
+ exynos_dp_phy_init(dp);
+
+ exynos_dp_init_dp(dp);
+
+ ret = devm_request_irq(&pdev->dev, dp->irq, exynos_dp_irq_handler, 0,
+ "exynos-dp", dp);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to request irq\n");
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, dp);
+
+ return 0;
+}
+
+static int exynos_dp_remove(struct platform_device *pdev)
+{
+ struct exynos_dp_device *dp = platform_get_drvdata(pdev);
+
+ flush_work(&dp->hotplug_work);
+
+ exynos_dp_phy_exit(dp);
+
+ clk_disable_unprepare(dp->clock);
+
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int exynos_dp_suspend(struct device *dev)
+{
+ struct exynos_dp_device *dp = dev_get_drvdata(dev);
+
+ disable_irq(dp->irq);
+
+ flush_work(&dp->hotplug_work);
+
+ exynos_dp_phy_exit(dp);
+
+ clk_disable_unprepare(dp->clock);
+
+ return 0;
+}
+
+static int exynos_dp_resume(struct device *dev)
+{
+ struct exynos_dp_device *dp = dev_get_drvdata(dev);
+
+ exynos_dp_phy_init(dp);
+
+ clk_prepare_enable(dp->clock);
+
+ exynos_dp_init_dp(dp);
+
+ enable_irq(dp->irq);
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops exynos_dp_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(exynos_dp_suspend, exynos_dp_resume)
+};
+
+static const struct of_device_id exynos_dp_match[] = {
+ { .compatible = "samsung,exynos5-dp" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, exynos_dp_match);
+
+static struct platform_driver exynos_dp_driver = {
+ .probe = exynos_dp_probe,
+ .remove = exynos_dp_remove,
+ .driver = {
+ .name = "exynos-dp",
+ .owner = THIS_MODULE,
+ .pm = &exynos_dp_pm_ops,
+ .of_match_table = exynos_dp_match,
+ },
+};
+
+module_platform_driver(exynos_dp_driver);
+
+MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
+MODULE_DESCRIPTION("Samsung SoC DP Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
new file mode 100644
index 0000000..607e36d
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.h
@@ -0,0 +1,320 @@
+/*
+ * Header file for Samsung DP (Display Port) interface driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
+ * Author: Jingoo Han <jg1.han@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef _EXYNOS_DP_CORE_H
+#define _EXYNOS_DP_CORE_H
+
+#define DP_TIMEOUT_LOOP_COUNT 100
+#define MAX_CR_LOOP 5
+#define MAX_EQ_LOOP 5
+
+enum link_rate_type {
+ LINK_RATE_1_62GBPS = 0x06,
+ LINK_RATE_2_70GBPS = 0x0a
+};
+
+enum link_lane_count_type {
+ LANE_COUNT1 = 1,
+ LANE_COUNT2 = 2,
+ LANE_COUNT4 = 4
+};
+
+enum link_training_state {
+ START,
+ CLOCK_RECOVERY,
+ EQUALIZER_TRAINING,
+ FINISHED,
+ FAILED
+};
+
+enum voltage_swing_level {
+ VOLTAGE_LEVEL_0,
+ VOLTAGE_LEVEL_1,
+ VOLTAGE_LEVEL_2,
+ VOLTAGE_LEVEL_3,
+};
+
+enum pre_emphasis_level {
+ PRE_EMPHASIS_LEVEL_0,
+ PRE_EMPHASIS_LEVEL_1,
+ PRE_EMPHASIS_LEVEL_2,
+ PRE_EMPHASIS_LEVEL_3,
+};
+
+enum pattern_set {
+ PRBS7,
+ D10_2,
+ TRAINING_PTN1,
+ TRAINING_PTN2,
+ DP_NONE
+};
+
+enum color_space {
+ COLOR_RGB,
+ COLOR_YCBCR422,
+ COLOR_YCBCR444
+};
+
+enum color_depth {
+ COLOR_6,
+ COLOR_8,
+ COLOR_10,
+ COLOR_12
+};
+
+enum color_coefficient {
+ COLOR_YCBCR601,
+ COLOR_YCBCR709
+};
+
+enum dynamic_range {
+ VESA,
+ CEA
+};
+
+enum pll_status {
+ PLL_UNLOCKED,
+ PLL_LOCKED
+};
+
+enum clock_recovery_m_value_type {
+ CALCULATED_M,
+ REGISTER_M
+};
+
+enum video_timing_recognition_type {
+ VIDEO_TIMING_FROM_CAPTURE,
+ VIDEO_TIMING_FROM_REGISTER
+};
+
+enum analog_power_block {
+ AUX_BLOCK,
+ CH0_BLOCK,
+ CH1_BLOCK,
+ CH2_BLOCK,
+ CH3_BLOCK,
+ ANALOG_TOTAL,
+ POWER_ALL
+};
+
+enum dp_irq_type {
+ DP_IRQ_TYPE_HP_CABLE_IN,
+ DP_IRQ_TYPE_HP_CABLE_OUT,
+ DP_IRQ_TYPE_HP_CHANGE,
+ DP_IRQ_TYPE_UNKNOWN,
+};
+
+struct video_info {
+ char *name;
+
+ bool h_sync_polarity;
+ bool v_sync_polarity;
+ bool interlaced;
+
+ enum color_space color_space;
+ enum dynamic_range dynamic_range;
+ enum color_coefficient ycbcr_coeff;
+ enum color_depth color_depth;
+
+ enum link_rate_type link_rate;
+ enum link_lane_count_type lane_count;
+};
+
+struct link_train {
+ int eq_loop;
+ int cr_loop[4];
+
+ u8 link_rate;
+ u8 lane_count;
+ u8 training_lane[4];
+
+ enum link_training_state lt_state;
+};
+
+struct exynos_dp_device {
+ struct device *dev;
+ struct clk *clock;
+ unsigned int irq;
+ void __iomem *reg_base;
+ void __iomem *phy_addr;
+ unsigned int enable_mask;
+
+ struct video_info *video_info;
+ struct link_train link_train;
+ struct work_struct hotplug_work;
+ struct phy *phy;
+};
+
+/* exynos_dp_reg.c */
+void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable);
+void exynos_dp_stop_video(struct exynos_dp_device *dp);
+void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable);
+void exynos_dp_init_analog_param(struct exynos_dp_device *dp);
+void exynos_dp_init_interrupt(struct exynos_dp_device *dp);
+void exynos_dp_reset(struct exynos_dp_device *dp);
+void exynos_dp_swreset(struct exynos_dp_device *dp);
+void exynos_dp_config_interrupt(struct exynos_dp_device *dp);
+enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp);
+void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable);
+void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
+ enum analog_power_block block,
+ bool enable);
+void exynos_dp_init_analog_func(struct exynos_dp_device *dp);
+void exynos_dp_init_hpd(struct exynos_dp_device *dp);
+enum dp_irq_type exynos_dp_get_irq_type(struct exynos_dp_device *dp);
+void exynos_dp_clear_hotplug_interrupts(struct exynos_dp_device *dp);
+void exynos_dp_reset_aux(struct exynos_dp_device *dp);
+void exynos_dp_init_aux(struct exynos_dp_device *dp);
+int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp);
+void exynos_dp_enable_sw_function(struct exynos_dp_device *dp);
+int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp);
+int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned char data);
+int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned char *data);
+int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned int count,
+ unsigned char data[]);
+int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned int count,
+ unsigned char data[]);
+int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
+ unsigned int device_addr,
+ unsigned int reg_addr);
+int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
+ unsigned int device_addr,
+ unsigned int reg_addr,
+ unsigned int *data);
+int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
+ unsigned int device_addr,
+ unsigned int reg_addr,
+ unsigned int count,
+ unsigned char edid[]);
+void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype);
+void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype);
+void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count);
+void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count);
+void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable);
+void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
+ enum pattern_set pattern);
+void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level);
+void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level);
+void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level);
+void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level);
+void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp,
+ u32 training_lane);
+void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp,
+ u32 training_lane);
+void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp,
+ u32 training_lane);
+void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp,
+ u32 training_lane);
+u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp);
+u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp);
+u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp);
+u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp);
+void exynos_dp_reset_macro(struct exynos_dp_device *dp);
+void exynos_dp_init_video(struct exynos_dp_device *dp);
+
+void exynos_dp_set_video_color_format(struct exynos_dp_device *dp);
+int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp);
+void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp,
+ enum clock_recovery_m_value_type type,
+ u32 m_value,
+ u32 n_value);
+void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type);
+void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable);
+void exynos_dp_start_video(struct exynos_dp_device *dp);
+int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp);
+void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp);
+void exynos_dp_enable_scrambling(struct exynos_dp_device *dp);
+void exynos_dp_disable_scrambling(struct exynos_dp_device *dp);
+
+/* I2C EDID Chip ID, Slave Address */
+#define I2C_EDID_DEVICE_ADDR 0x50
+#define I2C_E_EDID_DEVICE_ADDR 0x30
+
+#define EDID_BLOCK_LENGTH 0x80
+#define EDID_HEADER_PATTERN 0x00
+#define EDID_EXTENSION_FLAG 0x7e
+#define EDID_CHECKSUM 0x7f
+
+/* Definition for DPCD Register */
+#define DPCD_ADDR_DPCD_REV 0x0000
+#define DPCD_ADDR_MAX_LINK_RATE 0x0001
+#define DPCD_ADDR_MAX_LANE_COUNT 0x0002
+#define DPCD_ADDR_LINK_BW_SET 0x0100
+#define DPCD_ADDR_LANE_COUNT_SET 0x0101
+#define DPCD_ADDR_TRAINING_PATTERN_SET 0x0102
+#define DPCD_ADDR_TRAINING_LANE0_SET 0x0103
+#define DPCD_ADDR_LANE0_1_STATUS 0x0202
+#define DPCD_ADDR_LANE_ALIGN_STATUS_UPDATED 0x0204
+#define DPCD_ADDR_ADJUST_REQUEST_LANE0_1 0x0206
+#define DPCD_ADDR_ADJUST_REQUEST_LANE2_3 0x0207
+#define DPCD_ADDR_TEST_REQUEST 0x0218
+#define DPCD_ADDR_TEST_RESPONSE 0x0260
+#define DPCD_ADDR_TEST_EDID_CHECKSUM 0x0261
+#define DPCD_ADDR_SINK_POWER_STATE 0x0600
+
+/* DPCD_ADDR_MAX_LANE_COUNT */
+#define DPCD_ENHANCED_FRAME_CAP(x) (((x) >> 7) & 0x1)
+#define DPCD_MAX_LANE_COUNT(x) ((x) & 0x1f)
+
+/* DPCD_ADDR_LANE_COUNT_SET */
+#define DPCD_ENHANCED_FRAME_EN (0x1 << 7)
+#define DPCD_LANE_COUNT_SET(x) ((x) & 0x1f)
+
+/* DPCD_ADDR_TRAINING_PATTERN_SET */
+#define DPCD_SCRAMBLING_DISABLED (0x1 << 5)
+#define DPCD_SCRAMBLING_ENABLED (0x0 << 5)
+#define DPCD_TRAINING_PATTERN_2 (0x2 << 0)
+#define DPCD_TRAINING_PATTERN_1 (0x1 << 0)
+#define DPCD_TRAINING_PATTERN_DISABLED (0x0 << 0)
+
+/* DPCD_ADDR_TRAINING_LANE0_SET */
+#define DPCD_MAX_PRE_EMPHASIS_REACHED (0x1 << 5)
+#define DPCD_PRE_EMPHASIS_SET(x) (((x) & 0x3) << 3)
+#define DPCD_PRE_EMPHASIS_GET(x) (((x) >> 3) & 0x3)
+#define DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 (0x0 << 3)
+#define DPCD_MAX_SWING_REACHED (0x1 << 2)
+#define DPCD_VOLTAGE_SWING_SET(x) (((x) & 0x3) << 0)
+#define DPCD_VOLTAGE_SWING_GET(x) (((x) >> 0) & 0x3)
+#define DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0 (0x0 << 0)
+
+/* DPCD_ADDR_LANE0_1_STATUS */
+#define DPCD_LANE_SYMBOL_LOCKED (0x1 << 2)
+#define DPCD_LANE_CHANNEL_EQ_DONE (0x1 << 1)
+#define DPCD_LANE_CR_DONE (0x1 << 0)
+#define DPCD_CHANNEL_EQ_BITS (DPCD_LANE_CR_DONE| \
+ DPCD_LANE_CHANNEL_EQ_DONE|\
+ DPCD_LANE_SYMBOL_LOCKED)
+
+/* DPCD_ADDR_LANE_ALIGN__STATUS_UPDATED */
+#define DPCD_LINK_STATUS_UPDATED (0x1 << 7)
+#define DPCD_DOWNSTREAM_PORT_STATUS_CHANGED (0x1 << 6)
+#define DPCD_INTERLANE_ALIGN_DONE (0x1 << 0)
+
+/* DPCD_ADDR_TEST_REQUEST */
+#define DPCD_TEST_EDID_READ (0x1 << 2)
+
+/* DPCD_ADDR_TEST_RESPONSE */
+#define DPCD_TEST_EDID_CHECKSUM_WRITE (0x1 << 2)
+
+/* DPCD_ADDR_SINK_POWER_STATE */
+#define DPCD_SET_POWER_STATE_D0 (0x1 << 0)
+#define DPCD_SET_POWER_STATE_D4 (0x2 << 0)
+
+#endif /* _EXYNOS_DP_CORE_H */
diff --git a/drivers/gpu/drm/exynos/exynos_dp_reg.c b/drivers/gpu/drm/exynos/exynos_dp_reg.c
new file mode 100644
index 0000000..b70da50
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_dp_reg.c
@@ -0,0 +1,1243 @@
+/*
+ * Samsung DP (Display port) register interface driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
+ * Author: Jingoo Han <jg1.han@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include "exynos_dp_core.h"
+#include "exynos_dp_reg.h"
+
+#define COMMON_INT_MASK_1 0
+#define COMMON_INT_MASK_2 0
+#define COMMON_INT_MASK_3 0
+#define COMMON_INT_MASK_4 (HOTPLUG_CHG | HPD_LOST | PLUG)
+#define INT_STA_MASK INT_HPD
+
+void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable)
+{
+ u32 reg;
+
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+ reg |= HDCP_VIDEO_MUTE;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+ reg &= ~HDCP_VIDEO_MUTE;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+ }
+}
+
+void exynos_dp_stop_video(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+ reg &= ~VIDEO_EN;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+}
+
+void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable)
+{
+ u32 reg;
+
+ if (enable)
+ reg = LANE3_MAP_LOGIC_LANE_0 | LANE2_MAP_LOGIC_LANE_1 |
+ LANE1_MAP_LOGIC_LANE_2 | LANE0_MAP_LOGIC_LANE_3;
+ else
+ reg = LANE3_MAP_LOGIC_LANE_3 | LANE2_MAP_LOGIC_LANE_2 |
+ LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0;
+
+ writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP);
+}
+
+void exynos_dp_init_analog_param(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = TX_TERMINAL_CTRL_50_OHM;
+ writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_1);
+
+ reg = SEL_24M | TX_DVDD_BIT_1_0625V;
+ writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_2);
+
+ reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO;
+ writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3);
+
+ reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM |
+ TX_CUR1_2X | TX_CUR_16_MA;
+ writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1);
+
+ reg = CH3_AMP_400_MV | CH2_AMP_400_MV |
+ CH1_AMP_400_MV | CH0_AMP_400_MV;
+ writel(reg, dp->reg_base + EXYNOS_DP_TX_AMP_TUNING_CTL);
+}
+
+void exynos_dp_init_interrupt(struct exynos_dp_device *dp)
+{
+ /* Set interrupt pin assertion polarity as high */
+ writel(INT_POL1 | INT_POL0, dp->reg_base + EXYNOS_DP_INT_CTL);
+
+ /* Clear pending regisers */
+ writel(0xff, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
+ writel(0x4f, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_2);
+ writel(0xe0, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_3);
+ writel(0xe7, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
+ writel(0x63, dp->reg_base + EXYNOS_DP_INT_STA);
+
+ /* 0:mask,1: unmask */
+ writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1);
+ writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2);
+ writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3);
+ writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4);
+ writel(0x00, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
+}
+
+void exynos_dp_reset(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ exynos_dp_stop_video(dp);
+ exynos_dp_enable_video_mute(dp, 0);
+
+ reg = MASTER_VID_FUNC_EN_N | SLAVE_VID_FUNC_EN_N |
+ AUD_FIFO_FUNC_EN_N | AUD_FUNC_EN_N |
+ HDCP_FUNC_EN_N | SW_FUNC_EN_N;
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
+
+ reg = SSC_FUNC_EN_N | AUX_FUNC_EN_N |
+ SERDES_FIFO_FUNC_EN_N |
+ LS_CLK_DOMAIN_FUNC_EN_N;
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+
+ usleep_range(20, 30);
+
+ exynos_dp_lane_swap(dp, 0);
+
+ writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
+ writel(0x40, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
+ writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+ writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+
+ writel(0x0, dp->reg_base + EXYNOS_DP_PKT_SEND_CTL);
+ writel(0x0, dp->reg_base + EXYNOS_DP_HDCP_CTL);
+
+ writel(0x5e, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_L);
+ writel(0x1a, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_H);
+
+ writel(0x10, dp->reg_base + EXYNOS_DP_LINK_DEBUG_CTL);
+
+ writel(0x0, dp->reg_base + EXYNOS_DP_PHY_TEST);
+
+ writel(0x0, dp->reg_base + EXYNOS_DP_VIDEO_FIFO_THRD);
+ writel(0x20, dp->reg_base + EXYNOS_DP_AUDIO_MARGIN);
+
+ writel(0x4, dp->reg_base + EXYNOS_DP_M_VID_GEN_FILTER_TH);
+ writel(0x2, dp->reg_base + EXYNOS_DP_M_AUD_GEN_FILTER_TH);
+
+ writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
+}
+
+void exynos_dp_swreset(struct exynos_dp_device *dp)
+{
+ writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET);
+}
+
+void exynos_dp_config_interrupt(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ /* 0: mask, 1: unmask */
+ reg = COMMON_INT_MASK_1;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1);
+
+ reg = COMMON_INT_MASK_2;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2);
+
+ reg = COMMON_INT_MASK_3;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3);
+
+ reg = COMMON_INT_MASK_4;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4);
+
+ reg = INT_STA_MASK;
+ writel(reg, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
+}
+
+enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL);
+ if (reg & PLL_LOCK)
+ return PLL_LOCKED;
+ else
+ return PLL_UNLOCKED;
+}
+
+void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable)
+{
+ u32 reg;
+
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL);
+ reg |= DP_PLL_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL);
+ reg &= ~DP_PLL_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL);
+ }
+}
+
+void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
+ enum analog_power_block block,
+ bool enable)
+{
+ u32 reg;
+
+ switch (block) {
+ case AUX_BLOCK:
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg |= AUX_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg &= ~AUX_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ case CH0_BLOCK:
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg |= CH0_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg &= ~CH0_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ case CH1_BLOCK:
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg |= CH1_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg &= ~CH1_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ case CH2_BLOCK:
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg |= CH2_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg &= ~CH2_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ case CH3_BLOCK:
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg |= CH3_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg &= ~CH3_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ case ANALOG_TOTAL:
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg |= DP_PHY_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
+ reg &= ~DP_PHY_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ case POWER_ALL:
+ if (enable) {
+ reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD |
+ CH1_PD | CH0_PD;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
+ } else {
+ writel(0x00, dp->reg_base + EXYNOS_DP_PHY_PD);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+void exynos_dp_init_analog_func(struct exynos_dp_device *dp)
+{
+ u32 reg;
+ int timeout_loop = 0;
+
+ exynos_dp_set_analog_power_down(dp, POWER_ALL, 0);
+
+ reg = PLL_LOCK_CHG;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL);
+ reg &= ~(F_PLL_LOCK | PLL_LOCK_CTRL);
+ writel(reg, dp->reg_base + EXYNOS_DP_DEBUG_CTL);
+
+ /* Power up PLL */
+ if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
+ exynos_dp_set_pll_power_down(dp, 0);
+
+ while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
+ timeout_loop++;
+ if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
+ dev_err(dp->dev, "failed to get pll lock status\n");
+ return;
+ }
+ usleep_range(10, 20);
+ }
+ }
+
+ /* Enable Serdes FIFO function and Link symbol clock domain module */
+ reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+ reg &= ~(SERDES_FIFO_FUNC_EN_N | LS_CLK_DOMAIN_FUNC_EN_N
+ | AUX_FUNC_EN_N);
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+}
+
+void exynos_dp_clear_hotplug_interrupts(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = HOTPLUG_CHG | HPD_LOST | PLUG;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
+
+ reg = INT_HPD;
+ writel(reg, dp->reg_base + EXYNOS_DP_INT_STA);
+}
+
+void exynos_dp_init_hpd(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ exynos_dp_clear_hotplug_interrupts(dp);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+ reg &= ~(F_HPD | HPD_CTRL);
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+}
+
+enum dp_irq_type exynos_dp_get_irq_type(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ /* Parse hotplug interrupt status register */
+ reg = readl(dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
+
+ if (reg & PLUG)
+ return DP_IRQ_TYPE_HP_CABLE_IN;
+
+ if (reg & HPD_LOST)
+ return DP_IRQ_TYPE_HP_CABLE_OUT;
+
+ if (reg & HOTPLUG_CHG)
+ return DP_IRQ_TYPE_HP_CHANGE;
+
+ return DP_IRQ_TYPE_UNKNOWN;
+}
+
+void exynos_dp_reset_aux(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ /* Disable AUX channel module */
+ reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+ reg |= AUX_FUNC_EN_N;
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+}
+
+void exynos_dp_init_aux(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ /* Clear inerrupts related to AUX channel */
+ reg = RPLY_RECEIV | AUX_ERR;
+ writel(reg, dp->reg_base + EXYNOS_DP_INT_STA);
+
+ exynos_dp_reset_aux(dp);
+
+ /* Disable AUX transaction H/W retry */
+ reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0)|
+ AUX_HW_RETRY_INTERVAL_600_MICROSECONDS;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_HW_RETRY_CTL) ;
+
+ /* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */
+ reg = DEFER_CTRL_EN | DEFER_COUNT(1);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_DEFER_CTL);
+
+ /* Enable AUX channel module */
+ reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+ reg &= ~AUX_FUNC_EN_N;
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
+}
+
+int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+ if (reg & HPD_STATUS)
+ return 0;
+
+ return -EINVAL;
+}
+
+void exynos_dp_enable_sw_function(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1);
+ reg &= ~SW_FUNC_EN_N;
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
+}
+
+int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp)
+{
+ int reg;
+ int retval = 0;
+ int timeout_loop = 0;
+
+ /* Enable AUX CH operation */
+ reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
+ reg |= AUX_EN;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
+
+ /* Is AUX CH command reply received? */
+ reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
+ while (!(reg & RPLY_RECEIV)) {
+ timeout_loop++;
+ if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
+ dev_err(dp->dev, "AUX CH command reply failed!\n");
+ return -ETIMEDOUT;
+ }
+ reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
+ usleep_range(10, 11);
+ }
+
+ /* Clear interrupt source for AUX CH command reply */
+ writel(RPLY_RECEIV, dp->reg_base + EXYNOS_DP_INT_STA);
+
+ /* Clear interrupt source for AUX CH access error */
+ reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
+ if (reg & AUX_ERR) {
+ writel(AUX_ERR, dp->reg_base + EXYNOS_DP_INT_STA);
+ return -EREMOTEIO;
+ }
+
+ /* Check AUX CH error access status */
+ reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_STA);
+ if ((reg & AUX_STATUS_MASK) != 0) {
+ dev_err(dp->dev, "AUX CH error happens: %d\n\n",
+ reg & AUX_STATUS_MASK);
+ return -EREMOTEIO;
+ }
+
+ return retval;
+}
+
+int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned char data)
+{
+ u32 reg;
+ int i;
+ int retval;
+
+ for (i = 0; i < 3; i++) {
+ /* Clear AUX CH data buffer */
+ reg = BUF_CLR;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
+
+ /* Select DPCD device address */
+ reg = AUX_ADDR_7_0(reg_addr);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
+ reg = AUX_ADDR_15_8(reg_addr);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
+ reg = AUX_ADDR_19_16(reg_addr);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
+
+ /* Write data buffer */
+ reg = (unsigned int)data;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0);
+
+ /*
+ * Set DisplayPort transaction and write 1 byte
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval == 0)
+ break;
+ else
+ dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+ __func__);
+ }
+
+ return retval;
+}
+
+int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned char *data)
+{
+ u32 reg;
+ int i;
+ int retval;
+
+ for (i = 0; i < 3; i++) {
+ /* Clear AUX CH data buffer */
+ reg = BUF_CLR;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
+
+ /* Select DPCD device address */
+ reg = AUX_ADDR_7_0(reg_addr);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
+ reg = AUX_ADDR_15_8(reg_addr);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
+ reg = AUX_ADDR_19_16(reg_addr);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
+
+ /*
+ * Set DisplayPort transaction and read 1 byte
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval == 0)
+ break;
+ else
+ dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+ __func__);
+ }
+
+ /* Read data buffer */
+ reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0);
+ *data = (unsigned char)(reg & 0xff);
+
+ return retval;
+}
+
+int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned int count,
+ unsigned char data[])
+{
+ u32 reg;
+ unsigned int start_offset;
+ unsigned int cur_data_count;
+ unsigned int cur_data_idx;
+ int i;
+ int retval = 0;
+
+ /* Clear AUX CH data buffer */
+ reg = BUF_CLR;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
+
+ start_offset = 0;
+ while (start_offset < count) {
+ /* Buffer size of AUX CH is 16 * 4bytes */
+ if ((count - start_offset) > 16)
+ cur_data_count = 16;
+ else
+ cur_data_count = count - start_offset;
+
+ for (i = 0; i < 3; i++) {
+ /* Select DPCD device address */
+ reg = AUX_ADDR_7_0(reg_addr + start_offset);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
+ reg = AUX_ADDR_15_8(reg_addr + start_offset);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
+ reg = AUX_ADDR_19_16(reg_addr + start_offset);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
+
+ for (cur_data_idx = 0; cur_data_idx < cur_data_count;
+ cur_data_idx++) {
+ reg = data[start_offset + cur_data_idx];
+ writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0
+ + 4 * cur_data_idx);
+ }
+
+ /*
+ * Set DisplayPort transaction and write
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_LENGTH(cur_data_count) |
+ AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval == 0)
+ break;
+ else
+ dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+ __func__);
+ }
+
+ start_offset += cur_data_count;
+ }
+
+ return retval;
+}
+
+int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
+ unsigned int reg_addr,
+ unsigned int count,
+ unsigned char data[])
+{
+ u32 reg;
+ unsigned int start_offset;
+ unsigned int cur_data_count;
+ unsigned int cur_data_idx;
+ int i;
+ int retval = 0;
+
+ /* Clear AUX CH data buffer */
+ reg = BUF_CLR;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
+
+ start_offset = 0;
+ while (start_offset < count) {
+ /* Buffer size of AUX CH is 16 * 4bytes */
+ if ((count - start_offset) > 16)
+ cur_data_count = 16;
+ else
+ cur_data_count = count - start_offset;
+
+ /* AUX CH Request Transaction process */
+ for (i = 0; i < 3; i++) {
+ /* Select DPCD device address */
+ reg = AUX_ADDR_7_0(reg_addr + start_offset);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
+ reg = AUX_ADDR_15_8(reg_addr + start_offset);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
+ reg = AUX_ADDR_19_16(reg_addr + start_offset);
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
+
+ /*
+ * Set DisplayPort transaction and read
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_LENGTH(cur_data_count) |
+ AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval == 0)
+ break;
+ else
+ dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+ __func__);
+ }
+
+ for (cur_data_idx = 0; cur_data_idx < cur_data_count;
+ cur_data_idx++) {
+ reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0
+ + 4 * cur_data_idx);
+ data[start_offset + cur_data_idx] =
+ (unsigned char)reg;
+ }
+
+ start_offset += cur_data_count;
+ }
+
+ return retval;
+}
+
+int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
+ unsigned int device_addr,
+ unsigned int reg_addr)
+{
+ u32 reg;
+ int retval;
+
+ /* Set EDID device address */
+ reg = device_addr;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
+ writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
+ writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
+
+ /* Set offset from base address of EDID device */
+ writel(reg_addr, dp->reg_base + EXYNOS_DP_BUF_DATA_0);
+
+ /*
+ * Set I2C transaction and write address
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_TX_COMM_I2C_TRANSACTION | AUX_TX_COMM_MOT |
+ AUX_TX_COMM_WRITE;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval != 0)
+ dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
+
+ return retval;
+}
+
+int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
+ unsigned int device_addr,
+ unsigned int reg_addr,
+ unsigned int *data)
+{
+ u32 reg;
+ int i;
+ int retval;
+
+ for (i = 0; i < 3; i++) {
+ /* Clear AUX CH data buffer */
+ reg = BUF_CLR;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
+
+ /* Select EDID device */
+ retval = exynos_dp_select_i2c_device(dp, device_addr, reg_addr);
+ if (retval != 0)
+ continue;
+
+ /*
+ * Set I2C transaction and read data
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_TX_COMM_I2C_TRANSACTION |
+ AUX_TX_COMM_READ;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval == 0)
+ break;
+ else
+ dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
+ __func__);
+ }
+
+ /* Read data */
+ if (retval == 0)
+ *data = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0);
+
+ return retval;
+}
+
+int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
+ unsigned int device_addr,
+ unsigned int reg_addr,
+ unsigned int count,
+ unsigned char edid[])
+{
+ u32 reg;
+ unsigned int i, j;
+ unsigned int cur_data_idx;
+ unsigned int defer = 0;
+ int retval = 0;
+
+ for (i = 0; i < count; i += 16) {
+ for (j = 0; j < 3; j++) {
+ /* Clear AUX CH data buffer */
+ reg = BUF_CLR;
+ writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
+
+ /* Set normal AUX CH command */
+ reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
+ reg &= ~ADDR_ONLY;
+ writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
+
+ /*
+ * If Rx sends defer, Tx sends only reads
+ * request without sending address
+ */
+ if (!defer)
+ retval = exynos_dp_select_i2c_device(dp,
+ device_addr, reg_addr + i);
+ else
+ defer = 0;
+
+ if (retval == 0) {
+ /*
+ * Set I2C transaction and write data
+ * If bit 3 is 1, DisplayPort transaction.
+ * If Bit 3 is 0, I2C transaction.
+ */
+ reg = AUX_LENGTH(16) |
+ AUX_TX_COMM_I2C_TRANSACTION |
+ AUX_TX_COMM_READ;
+ writel(reg, dp->reg_base +
+ EXYNOS_DP_AUX_CH_CTL_1);
+
+ /* Start AUX transaction */
+ retval = exynos_dp_start_aux_transaction(dp);
+ if (retval == 0)
+ break;
+ else
+ dev_dbg(dp->dev,
+ "%s: Aux Transaction fail!\n",
+ __func__);
+ }
+ /* Check if Rx sends defer */
+ reg = readl(dp->reg_base + EXYNOS_DP_AUX_RX_COMM);
+ if (reg == AUX_RX_COMM_AUX_DEFER ||
+ reg == AUX_RX_COMM_I2C_DEFER) {
+ dev_err(dp->dev, "Defer: %d\n\n", reg);
+ defer = 1;
+ }
+ }
+
+ for (cur_data_idx = 0; cur_data_idx < 16; cur_data_idx++) {
+ reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0
+ + 4 * cur_data_idx);
+ edid[i + cur_data_idx] = (unsigned char)reg;
+ }
+ }
+
+ return retval;
+}
+
+void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype)
+{
+ u32 reg;
+
+ reg = bwtype;
+ if ((bwtype == LINK_RATE_2_70GBPS) || (bwtype == LINK_RATE_1_62GBPS))
+ writel(reg, dp->reg_base + EXYNOS_DP_LINK_BW_SET);
+}
+
+void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LINK_BW_SET);
+ *bwtype = reg;
+}
+
+void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count)
+{
+ u32 reg;
+
+ reg = count;
+ writel(reg, dp->reg_base + EXYNOS_DP_LANE_COUNT_SET);
+}
+
+void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LANE_COUNT_SET);
+ *count = reg;
+}
+
+void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable)
+{
+ u32 reg;
+
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ reg |= ENHANCED;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ reg &= ~ENHANCED;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ }
+}
+
+void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
+ enum pattern_set pattern)
+{
+ u32 reg;
+
+ switch (pattern) {
+ case PRBS7:
+ reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_PRBS7;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ break;
+ case D10_2:
+ reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_D10_2;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ break;
+ case TRAINING_PTN1:
+ reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN1;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ break;
+ case TRAINING_PTN2:
+ reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN2;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ break;
+ case DP_NONE:
+ reg = SCRAMBLING_ENABLE |
+ LINK_QUAL_PATTERN_SET_DISABLE |
+ SW_TRAINING_PATTERN_SET_NORMAL;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ break;
+ default:
+ break;
+ }
+}
+
+void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
+ reg &= ~PRE_EMPHASIS_SET_MASK;
+ reg |= level << PRE_EMPHASIS_SET_SHIFT;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
+ reg &= ~PRE_EMPHASIS_SET_MASK;
+ reg |= level << PRE_EMPHASIS_SET_SHIFT;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
+ reg &= ~PRE_EMPHASIS_SET_MASK;
+ reg |= level << PRE_EMPHASIS_SET_SHIFT;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
+ reg &= ~PRE_EMPHASIS_SET_MASK;
+ reg |= level << PRE_EMPHASIS_SET_SHIFT;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp,
+ u32 training_lane)
+{
+ u32 reg;
+
+ reg = training_lane;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp,
+ u32 training_lane)
+{
+ u32 reg;
+
+ reg = training_lane;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp,
+ u32 training_lane)
+{
+ u32 reg;
+
+ reg = training_lane;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
+}
+
+void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp,
+ u32 training_lane)
+{
+ u32 reg;
+
+ reg = training_lane;
+ writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
+}
+
+u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
+ return reg;
+}
+
+u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
+ return reg;
+}
+
+u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
+ return reg;
+}
+
+u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
+ return reg;
+}
+
+void exynos_dp_reset_macro(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_PHY_TEST);
+ reg |= MACRO_RST;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
+
+ /* 10 us is the minimum reset time. */
+ usleep_range(10, 20);
+
+ reg &= ~MACRO_RST;
+ writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
+}
+
+void exynos_dp_init_video(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = VSYNC_DET | VID_FORMAT_CHG | VID_CLK_CHG;
+ writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
+
+ reg = 0x0;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
+
+ reg = CHA_CRI(4) | CHA_CTRL;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
+
+ reg = 0x0;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+
+ reg = VID_HRES_TH(2) | VID_VRES_TH(0);
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_8);
+}
+
+void exynos_dp_set_video_color_format(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ /* Configure the input color depth, color space, dynamic range */
+ reg = (dp->video_info->dynamic_range << IN_D_RANGE_SHIFT) |
+ (dp->video_info->color_depth << IN_BPC_SHIFT) |
+ (dp->video_info->color_space << IN_COLOR_F_SHIFT);
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_2);
+
+ /* Set Input Color YCbCr Coefficients to ITU601 or ITU709 */
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_3);
+ reg &= ~IN_YC_COEFFI_MASK;
+ if (dp->video_info->ycbcr_coeff)
+ reg |= IN_YC_COEFFI_ITU709;
+ else
+ reg |= IN_YC_COEFFI_ITU601;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_3);
+}
+
+int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1);
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1);
+
+ if (!(reg & DET_STA)) {
+ dev_dbg(dp->dev, "Input stream clock not detected.\n");
+ return -EINVAL;
+ }
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2);
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2);
+ dev_dbg(dp->dev, "wait SYS_CTL_2.\n");
+
+ if (reg & CHA_STA) {
+ dev_dbg(dp->dev, "Input stream clk is changing\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp,
+ enum clock_recovery_m_value_type type,
+ u32 m_value,
+ u32 n_value)
+{
+ u32 reg;
+
+ if (type == REGISTER_M) {
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ reg |= FIX_M_VID;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ reg = m_value & 0xff;
+ writel(reg, dp->reg_base + EXYNOS_DP_M_VID_0);
+ reg = (m_value >> 8) & 0xff;
+ writel(reg, dp->reg_base + EXYNOS_DP_M_VID_1);
+ reg = (m_value >> 16) & 0xff;
+ writel(reg, dp->reg_base + EXYNOS_DP_M_VID_2);
+
+ reg = n_value & 0xff;
+ writel(reg, dp->reg_base + EXYNOS_DP_N_VID_0);
+ reg = (n_value >> 8) & 0xff;
+ writel(reg, dp->reg_base + EXYNOS_DP_N_VID_1);
+ reg = (n_value >> 16) & 0xff;
+ writel(reg, dp->reg_base + EXYNOS_DP_N_VID_2);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+ reg &= ~FIX_M_VID;
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
+
+ writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_0);
+ writel(0x80, dp->reg_base + EXYNOS_DP_N_VID_1);
+ writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_2);
+ }
+}
+
+void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type)
+{
+ u32 reg;
+
+ if (type == VIDEO_TIMING_FROM_CAPTURE) {
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ reg &= ~FORMAT_SEL;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ reg |= FORMAT_SEL;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ }
+}
+
+void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable)
+{
+ u32 reg;
+
+ if (enable) {
+ reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
+ reg &= ~VIDEO_MODE_MASK;
+ reg |= VIDEO_MASTER_MODE_EN | VIDEO_MODE_MASTER_MODE;
+ writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
+ } else {
+ reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
+ reg &= ~VIDEO_MODE_MASK;
+ reg |= VIDEO_MODE_SLAVE_MODE;
+ writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
+ }
+}
+
+void exynos_dp_start_video(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+ reg |= VIDEO_EN;
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
+}
+
+int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+ writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
+ if (!(reg & STRM_VALID)) {
+ dev_dbg(dp->dev, "Input video stream is not detected.\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1);
+ reg &= ~(MASTER_VID_FUNC_EN_N|SLAVE_VID_FUNC_EN_N);
+ reg |= MASTER_VID_FUNC_EN_N;
+ writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ reg &= ~INTERACE_SCAN_CFG;
+ reg |= (dp->video_info->interlaced << 2);
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ reg &= ~VSYNC_POLARITY_CFG;
+ reg |= (dp->video_info->v_sync_polarity << 1);
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+
+ reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+ reg &= ~HSYNC_POLARITY_CFG;
+ reg |= (dp->video_info->h_sync_polarity << 0);
+ writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
+
+ reg = AUDIO_MODE_SPDIF_MODE | VIDEO_MODE_SLAVE_MODE;
+ writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
+}
+
+void exynos_dp_enable_scrambling(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ reg &= ~SCRAMBLING_DISABLE;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+}
+
+void exynos_dp_disable_scrambling(struct exynos_dp_device *dp)
+{
+ u32 reg;
+
+ reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+ reg |= SCRAMBLING_DISABLE;
+ writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
+}
diff --git a/drivers/gpu/drm/exynos/exynos_dp_reg.h b/drivers/gpu/drm/exynos/exynos_dp_reg.h
new file mode 100644
index 0000000..2e9bd0e
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_dp_reg.h
@@ -0,0 +1,366 @@
+/*
+ * Register definition file for Samsung DP driver
+ *
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
+ * Author: Jingoo Han <jg1.han@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _EXYNOS_DP_REG_H
+#define _EXYNOS_DP_REG_H
+
+#define EXYNOS_DP_TX_SW_RESET 0x14
+#define EXYNOS_DP_FUNC_EN_1 0x18
+#define EXYNOS_DP_FUNC_EN_2 0x1C
+#define EXYNOS_DP_VIDEO_CTL_1 0x20
+#define EXYNOS_DP_VIDEO_CTL_2 0x24
+#define EXYNOS_DP_VIDEO_CTL_3 0x28
+
+#define EXYNOS_DP_VIDEO_CTL_8 0x3C
+#define EXYNOS_DP_VIDEO_CTL_10 0x44
+
+#define EXYNOS_DP_LANE_MAP 0x35C
+
+#define EXYNOS_DP_ANALOG_CTL_1 0x370
+#define EXYNOS_DP_ANALOG_CTL_2 0x374
+#define EXYNOS_DP_ANALOG_CTL_3 0x378
+#define EXYNOS_DP_PLL_FILTER_CTL_1 0x37C
+#define EXYNOS_DP_TX_AMP_TUNING_CTL 0x380
+
+#define EXYNOS_DP_AUX_HW_RETRY_CTL 0x390
+
+#define EXYNOS_DP_COMMON_INT_STA_1 0x3C4
+#define EXYNOS_DP_COMMON_INT_STA_2 0x3C8
+#define EXYNOS_DP_COMMON_INT_STA_3 0x3CC
+#define EXYNOS_DP_COMMON_INT_STA_4 0x3D0
+#define EXYNOS_DP_INT_STA 0x3DC
+#define EXYNOS_DP_COMMON_INT_MASK_1 0x3E0
+#define EXYNOS_DP_COMMON_INT_MASK_2 0x3E4
+#define EXYNOS_DP_COMMON_INT_MASK_3 0x3E8
+#define EXYNOS_DP_COMMON_INT_MASK_4 0x3EC
+#define EXYNOS_DP_INT_STA_MASK 0x3F8
+#define EXYNOS_DP_INT_CTL 0x3FC
+
+#define EXYNOS_DP_SYS_CTL_1 0x600
+#define EXYNOS_DP_SYS_CTL_2 0x604
+#define EXYNOS_DP_SYS_CTL_3 0x608
+#define EXYNOS_DP_SYS_CTL_4 0x60C
+
+#define EXYNOS_DP_PKT_SEND_CTL 0x640
+#define EXYNOS_DP_HDCP_CTL 0x648
+
+#define EXYNOS_DP_LINK_BW_SET 0x680
+#define EXYNOS_DP_LANE_COUNT_SET 0x684
+#define EXYNOS_DP_TRAINING_PTN_SET 0x688
+#define EXYNOS_DP_LN0_LINK_TRAINING_CTL 0x68C
+#define EXYNOS_DP_LN1_LINK_TRAINING_CTL 0x690
+#define EXYNOS_DP_LN2_LINK_TRAINING_CTL 0x694
+#define EXYNOS_DP_LN3_LINK_TRAINING_CTL 0x698
+
+#define EXYNOS_DP_DEBUG_CTL 0x6C0
+#define EXYNOS_DP_HPD_DEGLITCH_L 0x6C4
+#define EXYNOS_DP_HPD_DEGLITCH_H 0x6C8
+#define EXYNOS_DP_LINK_DEBUG_CTL 0x6E0
+
+#define EXYNOS_DP_M_VID_0 0x700
+#define EXYNOS_DP_M_VID_1 0x704
+#define EXYNOS_DP_M_VID_2 0x708
+#define EXYNOS_DP_N_VID_0 0x70C
+#define EXYNOS_DP_N_VID_1 0x710
+#define EXYNOS_DP_N_VID_2 0x714
+
+#define EXYNOS_DP_PLL_CTL 0x71C
+#define EXYNOS_DP_PHY_PD 0x720
+#define EXYNOS_DP_PHY_TEST 0x724
+
+#define EXYNOS_DP_VIDEO_FIFO_THRD 0x730
+#define EXYNOS_DP_AUDIO_MARGIN 0x73C
+
+#define EXYNOS_DP_M_VID_GEN_FILTER_TH 0x764
+#define EXYNOS_DP_M_AUD_GEN_FILTER_TH 0x778
+#define EXYNOS_DP_AUX_CH_STA 0x780
+#define EXYNOS_DP_AUX_CH_DEFER_CTL 0x788
+#define EXYNOS_DP_AUX_RX_COMM 0x78C
+#define EXYNOS_DP_BUFFER_DATA_CTL 0x790
+#define EXYNOS_DP_AUX_CH_CTL_1 0x794
+#define EXYNOS_DP_AUX_ADDR_7_0 0x798
+#define EXYNOS_DP_AUX_ADDR_15_8 0x79C
+#define EXYNOS_DP_AUX_ADDR_19_16 0x7A0
+#define EXYNOS_DP_AUX_CH_CTL_2 0x7A4
+
+#define EXYNOS_DP_BUF_DATA_0 0x7C0
+
+#define EXYNOS_DP_SOC_GENERAL_CTL 0x800
+
+/* EXYNOS_DP_TX_SW_RESET */
+#define RESET_DP_TX (0x1 << 0)
+
+/* EXYNOS_DP_FUNC_EN_1 */
+#define MASTER_VID_FUNC_EN_N (0x1 << 7)
+#define SLAVE_VID_FUNC_EN_N (0x1 << 5)
+#define AUD_FIFO_FUNC_EN_N (0x1 << 4)
+#define AUD_FUNC_EN_N (0x1 << 3)
+#define HDCP_FUNC_EN_N (0x1 << 2)
+#define CRC_FUNC_EN_N (0x1 << 1)
+#define SW_FUNC_EN_N (0x1 << 0)
+
+/* EXYNOS_DP_FUNC_EN_2 */
+#define SSC_FUNC_EN_N (0x1 << 7)
+#define AUX_FUNC_EN_N (0x1 << 2)
+#define SERDES_FIFO_FUNC_EN_N (0x1 << 1)
+#define LS_CLK_DOMAIN_FUNC_EN_N (0x1 << 0)
+
+/* EXYNOS_DP_VIDEO_CTL_1 */
+#define VIDEO_EN (0x1 << 7)
+#define HDCP_VIDEO_MUTE (0x1 << 6)
+
+/* EXYNOS_DP_VIDEO_CTL_1 */
+#define IN_D_RANGE_MASK (0x1 << 7)
+#define IN_D_RANGE_SHIFT (7)
+#define IN_D_RANGE_CEA (0x1 << 7)
+#define IN_D_RANGE_VESA (0x0 << 7)
+#define IN_BPC_MASK (0x7 << 4)
+#define IN_BPC_SHIFT (4)
+#define IN_BPC_12_BITS (0x3 << 4)
+#define IN_BPC_10_BITS (0x2 << 4)
+#define IN_BPC_8_BITS (0x1 << 4)
+#define IN_BPC_6_BITS (0x0 << 4)
+#define IN_COLOR_F_MASK (0x3 << 0)
+#define IN_COLOR_F_SHIFT (0)
+#define IN_COLOR_F_YCBCR444 (0x2 << 0)
+#define IN_COLOR_F_YCBCR422 (0x1 << 0)
+#define IN_COLOR_F_RGB (0x0 << 0)
+
+/* EXYNOS_DP_VIDEO_CTL_3 */
+#define IN_YC_COEFFI_MASK (0x1 << 7)
+#define IN_YC_COEFFI_SHIFT (7)
+#define IN_YC_COEFFI_ITU709 (0x1 << 7)
+#define IN_YC_COEFFI_ITU601 (0x0 << 7)
+#define VID_CHK_UPDATE_TYPE_MASK (0x1 << 4)
+#define VID_CHK_UPDATE_TYPE_SHIFT (4)
+#define VID_CHK_UPDATE_TYPE_1 (0x1 << 4)
+#define VID_CHK_UPDATE_TYPE_0 (0x0 << 4)
+
+/* EXYNOS_DP_VIDEO_CTL_8 */
+#define VID_HRES_TH(x) (((x) & 0xf) << 4)
+#define VID_VRES_TH(x) (((x) & 0xf) << 0)
+
+/* EXYNOS_DP_VIDEO_CTL_10 */
+#define FORMAT_SEL (0x1 << 4)
+#define INTERACE_SCAN_CFG (0x1 << 2)
+#define VSYNC_POLARITY_CFG (0x1 << 1)
+#define HSYNC_POLARITY_CFG (0x1 << 0)
+
+/* EXYNOS_DP_LANE_MAP */
+#define LANE3_MAP_LOGIC_LANE_0 (0x0 << 6)
+#define LANE3_MAP_LOGIC_LANE_1 (0x1 << 6)
+#define LANE3_MAP_LOGIC_LANE_2 (0x2 << 6)
+#define LANE3_MAP_LOGIC_LANE_3 (0x3 << 6)
+#define LANE2_MAP_LOGIC_LANE_0 (0x0 << 4)
+#define LANE2_MAP_LOGIC_LANE_1 (0x1 << 4)
+#define LANE2_MAP_LOGIC_LANE_2 (0x2 << 4)
+#define LANE2_MAP_LOGIC_LANE_3 (0x3 << 4)
+#define LANE1_MAP_LOGIC_LANE_0 (0x0 << 2)
+#define LANE1_MAP_LOGIC_LANE_1 (0x1 << 2)
+#define LANE1_MAP_LOGIC_LANE_2 (0x2 << 2)
+#define LANE1_MAP_LOGIC_LANE_3 (0x3 << 2)
+#define LANE0_MAP_LOGIC_LANE_0 (0x0 << 0)
+#define LANE0_MAP_LOGIC_LANE_1 (0x1 << 0)
+#define LANE0_MAP_LOGIC_LANE_2 (0x2 << 0)
+#define LANE0_MAP_LOGIC_LANE_3 (0x3 << 0)
+
+/* EXYNOS_DP_ANALOG_CTL_1 */
+#define TX_TERMINAL_CTRL_50_OHM (0x1 << 4)
+
+/* EXYNOS_DP_ANALOG_CTL_2 */
+#define SEL_24M (0x1 << 3)
+#define TX_DVDD_BIT_1_0625V (0x4 << 0)
+
+/* EXYNOS_DP_ANALOG_CTL_3 */
+#define DRIVE_DVDD_BIT_1_0625V (0x4 << 5)
+#define VCO_BIT_600_MICRO (0x5 << 0)
+
+/* EXYNOS_DP_PLL_FILTER_CTL_1 */
+#define PD_RING_OSC (0x1 << 6)
+#define AUX_TERMINAL_CTRL_50_OHM (0x2 << 4)
+#define TX_CUR1_2X (0x1 << 2)
+#define TX_CUR_16_MA (0x3 << 0)
+
+/* EXYNOS_DP_TX_AMP_TUNING_CTL */
+#define CH3_AMP_400_MV (0x0 << 24)
+#define CH2_AMP_400_MV (0x0 << 16)
+#define CH1_AMP_400_MV (0x0 << 8)
+#define CH0_AMP_400_MV (0x0 << 0)
+
+/* EXYNOS_DP_AUX_HW_RETRY_CTL */
+#define AUX_BIT_PERIOD_EXPECTED_DELAY(x) (((x) & 0x7) << 8)
+#define AUX_HW_RETRY_INTERVAL_MASK (0x3 << 3)
+#define AUX_HW_RETRY_INTERVAL_600_MICROSECONDS (0x0 << 3)
+#define AUX_HW_RETRY_INTERVAL_800_MICROSECONDS (0x1 << 3)
+#define AUX_HW_RETRY_INTERVAL_1000_MICROSECONDS (0x2 << 3)
+#define AUX_HW_RETRY_INTERVAL_1800_MICROSECONDS (0x3 << 3)
+#define AUX_HW_RETRY_COUNT_SEL(x) (((x) & 0x7) << 0)
+
+/* EXYNOS_DP_COMMON_INT_STA_1 */
+#define VSYNC_DET (0x1 << 7)
+#define PLL_LOCK_CHG (0x1 << 6)
+#define SPDIF_ERR (0x1 << 5)
+#define SPDIF_UNSTBL (0x1 << 4)
+#define VID_FORMAT_CHG (0x1 << 3)
+#define AUD_CLK_CHG (0x1 << 2)
+#define VID_CLK_CHG (0x1 << 1)
+#define SW_INT (0x1 << 0)
+
+/* EXYNOS_DP_COMMON_INT_STA_2 */
+#define ENC_EN_CHG (0x1 << 6)
+#define HW_BKSV_RDY (0x1 << 3)
+#define HW_SHA_DONE (0x1 << 2)
+#define HW_AUTH_STATE_CHG (0x1 << 1)
+#define HW_AUTH_DONE (0x1 << 0)
+
+/* EXYNOS_DP_COMMON_INT_STA_3 */
+#define AFIFO_UNDER (0x1 << 7)
+#define AFIFO_OVER (0x1 << 6)
+#define R0_CHK_FLAG (0x1 << 5)
+
+/* EXYNOS_DP_COMMON_INT_STA_4 */
+#define PSR_ACTIVE (0x1 << 7)
+#define PSR_INACTIVE (0x1 << 6)
+#define SPDIF_BI_PHASE_ERR (0x1 << 5)
+#define HOTPLUG_CHG (0x1 << 2)
+#define HPD_LOST (0x1 << 1)
+#define PLUG (0x1 << 0)
+
+/* EXYNOS_DP_INT_STA */
+#define INT_HPD (0x1 << 6)
+#define HW_TRAINING_FINISH (0x1 << 5)
+#define RPLY_RECEIV (0x1 << 1)
+#define AUX_ERR (0x1 << 0)
+
+/* EXYNOS_DP_INT_CTL */
+#define SOFT_INT_CTRL (0x1 << 2)
+#define INT_POL1 (0x1 << 1)
+#define INT_POL0 (0x1 << 0)
+
+/* EXYNOS_DP_SYS_CTL_1 */
+#define DET_STA (0x1 << 2)
+#define FORCE_DET (0x1 << 1)
+#define DET_CTRL (0x1 << 0)
+
+/* EXYNOS_DP_SYS_CTL_2 */
+#define CHA_CRI(x) (((x) & 0xf) << 4)
+#define CHA_STA (0x1 << 2)
+#define FORCE_CHA (0x1 << 1)
+#define CHA_CTRL (0x1 << 0)
+
+/* EXYNOS_DP_SYS_CTL_3 */
+#define HPD_STATUS (0x1 << 6)
+#define F_HPD (0x1 << 5)
+#define HPD_CTRL (0x1 << 4)
+#define HDCP_RDY (0x1 << 3)
+#define STRM_VALID (0x1 << 2)
+#define F_VALID (0x1 << 1)
+#define VALID_CTRL (0x1 << 0)
+
+/* EXYNOS_DP_SYS_CTL_4 */
+#define FIX_M_AUD (0x1 << 4)
+#define ENHANCED (0x1 << 3)
+#define FIX_M_VID (0x1 << 2)
+#define M_VID_UPDATE_CTRL (0x3 << 0)
+
+/* EXYNOS_DP_TRAINING_PTN_SET */
+#define SCRAMBLER_TYPE (0x1 << 9)
+#define HW_LINK_TRAINING_PATTERN (0x1 << 8)
+#define SCRAMBLING_DISABLE (0x1 << 5)
+#define SCRAMBLING_ENABLE (0x0 << 5)
+#define LINK_QUAL_PATTERN_SET_MASK (0x3 << 2)
+#define LINK_QUAL_PATTERN_SET_PRBS7 (0x3 << 2)
+#define LINK_QUAL_PATTERN_SET_D10_2 (0x1 << 2)
+#define LINK_QUAL_PATTERN_SET_DISABLE (0x0 << 2)
+#define SW_TRAINING_PATTERN_SET_MASK (0x3 << 0)
+#define SW_TRAINING_PATTERN_SET_PTN2 (0x2 << 0)
+#define SW_TRAINING_PATTERN_SET_PTN1 (0x1 << 0)
+#define SW_TRAINING_PATTERN_SET_NORMAL (0x0 << 0)
+
+/* EXYNOS_DP_LN0_LINK_TRAINING_CTL */
+#define PRE_EMPHASIS_SET_MASK (0x3 << 3)
+#define PRE_EMPHASIS_SET_SHIFT (3)
+
+/* EXYNOS_DP_DEBUG_CTL */
+#define PLL_LOCK (0x1 << 4)
+#define F_PLL_LOCK (0x1 << 3)
+#define PLL_LOCK_CTRL (0x1 << 2)
+#define PN_INV (0x1 << 0)
+
+/* EXYNOS_DP_PLL_CTL */
+#define DP_PLL_PD (0x1 << 7)
+#define DP_PLL_RESET (0x1 << 6)
+#define DP_PLL_LOOP_BIT_DEFAULT (0x1 << 4)
+#define DP_PLL_REF_BIT_1_1250V (0x5 << 0)
+#define DP_PLL_REF_BIT_1_2500V (0x7 << 0)
+
+/* EXYNOS_DP_PHY_PD */
+#define DP_PHY_PD (0x1 << 5)
+#define AUX_PD (0x1 << 4)
+#define CH3_PD (0x1 << 3)
+#define CH2_PD (0x1 << 2)
+#define CH1_PD (0x1 << 1)
+#define CH0_PD (0x1 << 0)
+
+/* EXYNOS_DP_PHY_TEST */
+#define MACRO_RST (0x1 << 5)
+#define CH1_TEST (0x1 << 1)
+#define CH0_TEST (0x1 << 0)
+
+/* EXYNOS_DP_AUX_CH_STA */
+#define AUX_BUSY (0x1 << 4)
+#define AUX_STATUS_MASK (0xf << 0)
+
+/* EXYNOS_DP_AUX_CH_DEFER_CTL */
+#define DEFER_CTRL_EN (0x1 << 7)
+#define DEFER_COUNT(x) (((x) & 0x7f) << 0)
+
+/* EXYNOS_DP_AUX_RX_COMM */
+#define AUX_RX_COMM_I2C_DEFER (0x2 << 2)
+#define AUX_RX_COMM_AUX_DEFER (0x2 << 0)
+
+/* EXYNOS_DP_BUFFER_DATA_CTL */
+#define BUF_CLR (0x1 << 7)
+#define BUF_DATA_COUNT(x) (((x) & 0x1f) << 0)
+
+/* EXYNOS_DP_AUX_CH_CTL_1 */
+#define AUX_LENGTH(x) (((x - 1) & 0xf) << 4)
+#define AUX_TX_COMM_MASK (0xf << 0)
+#define AUX_TX_COMM_DP_TRANSACTION (0x1 << 3)
+#define AUX_TX_COMM_I2C_TRANSACTION (0x0 << 3)
+#define AUX_TX_COMM_MOT (0x1 << 2)
+#define AUX_TX_COMM_WRITE (0x0 << 0)
+#define AUX_TX_COMM_READ (0x1 << 0)
+
+/* EXYNOS_DP_AUX_ADDR_7_0 */
+#define AUX_ADDR_7_0(x) (((x) >> 0) & 0xff)
+
+/* EXYNOS_DP_AUX_ADDR_15_8 */
+#define AUX_ADDR_15_8(x) (((x) >> 8) & 0xff)
+
+/* EXYNOS_DP_AUX_ADDR_19_16 */
+#define AUX_ADDR_19_16(x) (((x) >> 16) & 0x0f)
+
+/* EXYNOS_DP_AUX_CH_CTL_2 */
+#define ADDR_ONLY (0x1 << 1)
+#define AUX_EN (0x1 << 0)
+
+/* EXYNOS_DP_SOC_GENERAL_CTL */
+#define AUDIO_MODE_SPDIF_MODE (0x1 << 8)
+#define AUDIO_MODE_MASTER_MODE (0x0 << 8)
+#define MASTER_VIDEO_INTERLACE_EN (0x1 << 4)
+#define VIDEO_MASTER_CLK_SEL (0x1 << 2)
+#define VIDEO_MASTER_MODE_EN (0x1 << 1)
+#define VIDEO_MODE_MASK (0x1 << 0)
+#define VIDEO_MODE_SLAVE_MODE (0x1 << 0)
+#define VIDEO_MODE_MASTER_MODE (0x0 << 0)
+
+#endif /* _EXYNOS_DP_REG_H */
diff --git a/drivers/video/exynos/Kconfig b/drivers/video/exynos/Kconfig
index 1129d0e..5ef645e 100644
--- a/drivers/video/exynos/Kconfig
+++ b/drivers/video/exynos/Kconfig
@@ -28,11 +28,4 @@ config EXYNOS_LCD_S6E8AX0
If you have an S6E8AX0 MIPI AMOLED LCD Panel, say Y to enable its
LCD control driver.
-config EXYNOS_DP
- bool "EXYNOS DP driver support"
- depends on OF && ARCH_EXYNOS
- default n
- help
- This enables support for DP device.
-
endif # EXYNOS_VIDEO
diff --git a/drivers/video/exynos/Makefile b/drivers/video/exynos/Makefile
index ec7772e..b5b1bd2 100644
--- a/drivers/video/exynos/Makefile
+++ b/drivers/video/exynos/Makefile
@@ -5,4 +5,3 @@
obj-$(CONFIG_EXYNOS_MIPI_DSI) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \
exynos_mipi_dsi_lowlevel.o
obj-$(CONFIG_EXYNOS_LCD_S6E8AX0) += s6e8ax0.o
-obj-$(CONFIG_EXYNOS_DP) += exynos_dp_core.o exynos_dp_reg.o
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
deleted file mode 100644
index b3af496..0000000
--- a/drivers/video/exynos/exynos_dp_core.c
+++ /dev/null
@@ -1,1155 +0,0 @@
-/*
- * Samsung SoC DP (Display Port) interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/of.h>
-#include <linux/phy/phy.h>
-
-#include "exynos_dp_core.h"
-
-static int exynos_dp_init_dp(struct exynos_dp_device *dp)
-{
- exynos_dp_reset(dp);
-
- exynos_dp_swreset(dp);
-
- exynos_dp_init_analog_param(dp);
- exynos_dp_init_interrupt(dp);
-
- /* SW defined function Normal operation */
- exynos_dp_enable_sw_function(dp);
-
- exynos_dp_config_interrupt(dp);
- exynos_dp_init_analog_func(dp);
-
- exynos_dp_init_hpd(dp);
- exynos_dp_init_aux(dp);
-
- return 0;
-}
-
-static int exynos_dp_detect_hpd(struct exynos_dp_device *dp)
-{
- int timeout_loop = 0;
-
- while (exynos_dp_get_plug_in_status(dp) != 0) {
- timeout_loop++;
- if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
- dev_err(dp->dev, "failed to get hpd plug status\n");
- return -ETIMEDOUT;
- }
- usleep_range(10, 11);
- }
-
- return 0;
-}
-
-static unsigned char exynos_dp_calc_edid_check_sum(unsigned char *edid_data)
-{
- int i;
- unsigned char sum = 0;
-
- for (i = 0; i < EDID_BLOCK_LENGTH; i++)
- sum = sum + edid_data[i];
-
- return sum;
-}
-
-static int exynos_dp_read_edid(struct exynos_dp_device *dp)
-{
- unsigned char edid[EDID_BLOCK_LENGTH * 2];
- unsigned int extend_block = 0;
- unsigned char sum;
- unsigned char test_vector;
- int retval;
-
- /*
- * EDID device address is 0x50.
- * However, if necessary, you must have set upper address
- * into E-EDID in I2C device, 0x30.
- */
-
- /* Read Extension Flag, Number of 128-byte EDID extension blocks */
- retval = exynos_dp_read_byte_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
- EDID_EXTENSION_FLAG,
- &extend_block);
- if (retval)
- return retval;
-
- if (extend_block > 0) {
- dev_dbg(dp->dev, "EDID data includes a single extension!\n");
-
- /* Read EDID data */
- retval = exynos_dp_read_bytes_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
- EDID_HEADER_PATTERN,
- EDID_BLOCK_LENGTH,
- &edid[EDID_HEADER_PATTERN]);
- if (retval != 0) {
- dev_err(dp->dev, "EDID Read failed!\n");
- return -EIO;
- }
- sum = exynos_dp_calc_edid_check_sum(edid);
- if (sum != 0) {
- dev_err(dp->dev, "EDID bad checksum!\n");
- return -EIO;
- }
-
- /* Read additional EDID data */
- retval = exynos_dp_read_bytes_from_i2c(dp,
- I2C_EDID_DEVICE_ADDR,
- EDID_BLOCK_LENGTH,
- EDID_BLOCK_LENGTH,
- &edid[EDID_BLOCK_LENGTH]);
- if (retval != 0) {
- dev_err(dp->dev, "EDID Read failed!\n");
- return -EIO;
- }
- sum = exynos_dp_calc_edid_check_sum(&edid[EDID_BLOCK_LENGTH]);
- if (sum != 0) {
- dev_err(dp->dev, "EDID bad checksum!\n");
- return -EIO;
- }
-
- exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_TEST_REQUEST,
- &test_vector);
- if (test_vector & DPCD_TEST_EDID_READ) {
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TEST_EDID_CHECKSUM,
- edid[EDID_BLOCK_LENGTH + EDID_CHECKSUM]);
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TEST_RESPONSE,
- DPCD_TEST_EDID_CHECKSUM_WRITE);
- }
- } else {
- dev_info(dp->dev, "EDID data does not include any extensions.\n");
-
- /* Read EDID data */
- retval = exynos_dp_read_bytes_from_i2c(dp,
- I2C_EDID_DEVICE_ADDR,
- EDID_HEADER_PATTERN,
- EDID_BLOCK_LENGTH,
- &edid[EDID_HEADER_PATTERN]);
- if (retval != 0) {
- dev_err(dp->dev, "EDID Read failed!\n");
- return -EIO;
- }
- sum = exynos_dp_calc_edid_check_sum(edid);
- if (sum != 0) {
- dev_err(dp->dev, "EDID bad checksum!\n");
- return -EIO;
- }
-
- exynos_dp_read_byte_from_dpcd(dp,
- DPCD_ADDR_TEST_REQUEST,
- &test_vector);
- if (test_vector & DPCD_TEST_EDID_READ) {
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TEST_EDID_CHECKSUM,
- edid[EDID_CHECKSUM]);
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TEST_RESPONSE,
- DPCD_TEST_EDID_CHECKSUM_WRITE);
- }
- }
-
- dev_err(dp->dev, "EDID Read success!\n");
- return 0;
-}
-
-static int exynos_dp_handle_edid(struct exynos_dp_device *dp)
-{
- u8 buf[12];
- int i;
- int retval;
-
- /* Read DPCD DPCD_ADDR_DPCD_REV~RECEIVE_PORT1_CAP_1 */
- retval = exynos_dp_read_bytes_from_dpcd(dp, DPCD_ADDR_DPCD_REV,
- 12, buf);
- if (retval)
- return retval;
-
- /* Read EDID */
- for (i = 0; i < 3; i++) {
- retval = exynos_dp_read_edid(dp);
- if (!retval)
- break;
- }
-
- return retval;
-}
-
-static void exynos_dp_enable_rx_to_enhanced_mode(struct exynos_dp_device *dp,
- bool enable)
-{
- u8 data;
-
- exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET, &data);
-
- if (enable)
- exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET,
- DPCD_ENHANCED_FRAME_EN |
- DPCD_LANE_COUNT_SET(data));
- else
- exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_LANE_COUNT_SET,
- DPCD_LANE_COUNT_SET(data));
-}
-
-static int exynos_dp_is_enhanced_mode_available(struct exynos_dp_device *dp)
-{
- u8 data;
- int retval;
-
- exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LANE_COUNT, &data);
- retval = DPCD_ENHANCED_FRAME_CAP(data);
-
- return retval;
-}
-
-static void exynos_dp_set_enhanced_mode(struct exynos_dp_device *dp)
-{
- u8 data;
-
- data = exynos_dp_is_enhanced_mode_available(dp);
- exynos_dp_enable_rx_to_enhanced_mode(dp, data);
- exynos_dp_enable_enhanced_mode(dp, data);
-}
-
-static void exynos_dp_training_pattern_dis(struct exynos_dp_device *dp)
-{
- exynos_dp_set_training_pattern(dp, DP_NONE);
-
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- DPCD_TRAINING_PATTERN_DISABLED);
-}
-
-static void exynos_dp_set_lane_lane_pre_emphasis(struct exynos_dp_device *dp,
- int pre_emphasis, int lane)
-{
- switch (lane) {
- case 0:
- exynos_dp_set_lane0_pre_emphasis(dp, pre_emphasis);
- break;
- case 1:
- exynos_dp_set_lane1_pre_emphasis(dp, pre_emphasis);
- break;
-
- case 2:
- exynos_dp_set_lane2_pre_emphasis(dp, pre_emphasis);
- break;
-
- case 3:
- exynos_dp_set_lane3_pre_emphasis(dp, pre_emphasis);
- break;
- }
-}
-
-static int exynos_dp_link_start(struct exynos_dp_device *dp)
-{
- u8 buf[4];
- int lane, lane_count, pll_tries, retval;
-
- lane_count = dp->link_train.lane_count;
-
- dp->link_train.lt_state = CLOCK_RECOVERY;
- dp->link_train.eq_loop = 0;
-
- for (lane = 0; lane < lane_count; lane++)
- dp->link_train.cr_loop[lane] = 0;
-
- /* Set link rate and count as you want to establish*/
- exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate);
- exynos_dp_set_lane_count(dp, dp->link_train.lane_count);
-
- /* Setup RX configuration */
- buf[0] = dp->link_train.link_rate;
- buf[1] = dp->link_train.lane_count;
- retval = exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_LINK_BW_SET,
- 2, buf);
- if (retval)
- return retval;
-
- /* Set TX pre-emphasis to minimum */
- for (lane = 0; lane < lane_count; lane++)
- exynos_dp_set_lane_lane_pre_emphasis(dp,
- PRE_EMPHASIS_LEVEL_0, lane);
-
- /* Wait for PLL lock */
- pll_tries = 0;
- while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
- if (pll_tries == DP_TIMEOUT_LOOP_COUNT) {
- dev_err(dp->dev, "Wait for PLL lock timed out\n");
- return -ETIMEDOUT;
- }
-
- pll_tries++;
- usleep_range(90, 120);
- }
-
- /* Set training pattern 1 */
- exynos_dp_set_training_pattern(dp, TRAINING_PTN1);
-
- /* Set RX training pattern */
- retval = exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- DPCD_SCRAMBLING_DISABLED | DPCD_TRAINING_PATTERN_1);
- if (retval)
- return retval;
-
- for (lane = 0; lane < lane_count; lane++)
- buf[lane] = DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 |
- DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0;
-
- retval = exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_TRAINING_LANE0_SET,
- lane_count, buf);
-
- return retval;
-}
-
-static unsigned char exynos_dp_get_lane_status(u8 link_status[2], int lane)
-{
- int shift = (lane & 1) * 4;
- u8 link_value = link_status[lane>>1];
-
- return (link_value >> shift) & 0xf;
-}
-
-static int exynos_dp_clock_recovery_ok(u8 link_status[2], int lane_count)
-{
- int lane;
- u8 lane_status;
-
- for (lane = 0; lane < lane_count; lane++) {
- lane_status = exynos_dp_get_lane_status(link_status, lane);
- if ((lane_status & DPCD_LANE_CR_DONE) == 0)
- return -EINVAL;
- }
- return 0;
-}
-
-static int exynos_dp_channel_eq_ok(u8 link_status[2], u8 link_align,
- int lane_count)
-{
- int lane;
- u8 lane_status;
-
- if ((link_align & DPCD_INTERLANE_ALIGN_DONE) == 0)
- return -EINVAL;
-
- for (lane = 0; lane < lane_count; lane++) {
- lane_status = exynos_dp_get_lane_status(link_status, lane);
- lane_status &= DPCD_CHANNEL_EQ_BITS;
- if (lane_status != DPCD_CHANNEL_EQ_BITS)
- return -EINVAL;
- }
-
- return 0;
-}
-
-static unsigned char exynos_dp_get_adjust_request_voltage(u8 adjust_request[2],
- int lane)
-{
- int shift = (lane & 1) * 4;
- u8 link_value = adjust_request[lane>>1];
-
- return (link_value >> shift) & 0x3;
-}
-
-static unsigned char exynos_dp_get_adjust_request_pre_emphasis(
- u8 adjust_request[2],
- int lane)
-{
- int shift = (lane & 1) * 4;
- u8 link_value = adjust_request[lane>>1];
-
- return ((link_value >> shift) & 0xc) >> 2;
-}
-
-static void exynos_dp_set_lane_link_training(struct exynos_dp_device *dp,
- u8 training_lane_set, int lane)
-{
- switch (lane) {
- case 0:
- exynos_dp_set_lane0_link_training(dp, training_lane_set);
- break;
- case 1:
- exynos_dp_set_lane1_link_training(dp, training_lane_set);
- break;
-
- case 2:
- exynos_dp_set_lane2_link_training(dp, training_lane_set);
- break;
-
- case 3:
- exynos_dp_set_lane3_link_training(dp, training_lane_set);
- break;
- }
-}
-
-static unsigned int exynos_dp_get_lane_link_training(
- struct exynos_dp_device *dp,
- int lane)
-{
- u32 reg;
-
- switch (lane) {
- case 0:
- reg = exynos_dp_get_lane0_link_training(dp);
- break;
- case 1:
- reg = exynos_dp_get_lane1_link_training(dp);
- break;
- case 2:
- reg = exynos_dp_get_lane2_link_training(dp);
- break;
- case 3:
- reg = exynos_dp_get_lane3_link_training(dp);
- break;
- default:
- WARN_ON(1);
- return 0;
- }
-
- return reg;
-}
-
-static void exynos_dp_reduce_link_rate(struct exynos_dp_device *dp)
-{
- exynos_dp_training_pattern_dis(dp);
- exynos_dp_set_enhanced_mode(dp);
-
- dp->link_train.lt_state = FAILED;
-}
-
-static void exynos_dp_get_adjust_training_lane(struct exynos_dp_device *dp,
- u8 adjust_request[2])
-{
- int lane, lane_count;
- u8 voltage_swing, pre_emphasis, training_lane;
-
- lane_count = dp->link_train.lane_count;
- for (lane = 0; lane < lane_count; lane++) {
- voltage_swing = exynos_dp_get_adjust_request_voltage(
- adjust_request, lane);
- pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
- adjust_request, lane);
- training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
- DPCD_PRE_EMPHASIS_SET(pre_emphasis);
-
- if (voltage_swing == VOLTAGE_LEVEL_3)
- training_lane |= DPCD_MAX_SWING_REACHED;
- if (pre_emphasis == PRE_EMPHASIS_LEVEL_3)
- training_lane |= DPCD_MAX_PRE_EMPHASIS_REACHED;
-
- dp->link_train.training_lane[lane] = training_lane;
- }
-}
-
-static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp)
-{
- int lane, lane_count, retval;
- u8 voltage_swing, pre_emphasis, training_lane;
- u8 link_status[2], adjust_request[2];
-
- usleep_range(100, 101);
-
- lane_count = dp->link_train.lane_count;
-
- retval = exynos_dp_read_bytes_from_dpcd(dp,
- DPCD_ADDR_LANE0_1_STATUS, 2, link_status);
- if (retval)
- return retval;
-
- retval = exynos_dp_read_bytes_from_dpcd(dp,
- DPCD_ADDR_ADJUST_REQUEST_LANE0_1, 2, adjust_request);
- if (retval)
- return retval;
-
- if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) {
- /* set training pattern 2 for EQ */
- exynos_dp_set_training_pattern(dp, TRAINING_PTN2);
-
- retval = exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- DPCD_SCRAMBLING_DISABLED |
- DPCD_TRAINING_PATTERN_2);
- if (retval)
- return retval;
-
- dev_info(dp->dev, "Link Training Clock Recovery success\n");
- dp->link_train.lt_state = EQUALIZER_TRAINING;
- } else {
- for (lane = 0; lane < lane_count; lane++) {
- training_lane = exynos_dp_get_lane_link_training(
- dp, lane);
- voltage_swing = exynos_dp_get_adjust_request_voltage(
- adjust_request, lane);
- pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
- adjust_request, lane);
-
- if (DPCD_VOLTAGE_SWING_GET(training_lane) ==
- voltage_swing &&
- DPCD_PRE_EMPHASIS_GET(training_lane) ==
- pre_emphasis)
- dp->link_train.cr_loop[lane]++;
-
- if (dp->link_train.cr_loop[lane] == MAX_CR_LOOP ||
- voltage_swing == VOLTAGE_LEVEL_3 ||
- pre_emphasis == PRE_EMPHASIS_LEVEL_3) {
- dev_err(dp->dev, "CR Max reached (%d,%d,%d)\n",
- dp->link_train.cr_loop[lane],
- voltage_swing, pre_emphasis);
- exynos_dp_reduce_link_rate(dp);
- return -EIO;
- }
- }
- }
-
- exynos_dp_get_adjust_training_lane(dp, adjust_request);
-
- for (lane = 0; lane < lane_count; lane++)
- exynos_dp_set_lane_link_training(dp,
- dp->link_train.training_lane[lane], lane);
-
- retval = exynos_dp_write_bytes_to_dpcd(dp,
- DPCD_ADDR_TRAINING_LANE0_SET, lane_count,
- dp->link_train.training_lane);
- if (retval)
- return retval;
-
- return retval;
-}
-
-static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
-{
- int lane, lane_count, retval;
- u32 reg;
- u8 link_align, link_status[2], adjust_request[2];
-
- usleep_range(400, 401);
-
- lane_count = dp->link_train.lane_count;
-
- retval = exynos_dp_read_bytes_from_dpcd(dp,
- DPCD_ADDR_LANE0_1_STATUS, 2, link_status);
- if (retval)
- return retval;
-
- if (exynos_dp_clock_recovery_ok(link_status, lane_count)) {
- exynos_dp_reduce_link_rate(dp);
- return -EIO;
- }
-
- retval = exynos_dp_read_bytes_from_dpcd(dp,
- DPCD_ADDR_ADJUST_REQUEST_LANE0_1, 2, adjust_request);
- if (retval)
- return retval;
-
- retval = exynos_dp_read_byte_from_dpcd(dp,
- DPCD_ADDR_LANE_ALIGN_STATUS_UPDATED, &link_align);
- if (retval)
- return retval;
-
- exynos_dp_get_adjust_training_lane(dp, adjust_request);
-
- if (!exynos_dp_channel_eq_ok(link_status, link_align, lane_count)) {
- /* traing pattern Set to Normal */
- exynos_dp_training_pattern_dis(dp);
-
- dev_info(dp->dev, "Link Training success!\n");
-
- exynos_dp_get_link_bandwidth(dp, ®);
- dp->link_train.link_rate = reg;
- dev_dbg(dp->dev, "final bandwidth = %.2x\n",
- dp->link_train.link_rate);
-
- exynos_dp_get_lane_count(dp, ®);
- dp->link_train.lane_count = reg;
- dev_dbg(dp->dev, "final lane count = %.2x\n",
- dp->link_train.lane_count);
-
- /* set enhanced mode if available */
- exynos_dp_set_enhanced_mode(dp);
- dp->link_train.lt_state = FINISHED;
-
- return 0;
- }
-
- /* not all locked */
- dp->link_train.eq_loop++;
-
- if (dp->link_train.eq_loop > MAX_EQ_LOOP) {
- dev_err(dp->dev, "EQ Max loop\n");
- exynos_dp_reduce_link_rate(dp);
- return -EIO;
- }
-
- for (lane = 0; lane < lane_count; lane++)
- exynos_dp_set_lane_link_training(dp,
- dp->link_train.training_lane[lane], lane);
-
- retval = exynos_dp_write_bytes_to_dpcd(dp, DPCD_ADDR_TRAINING_LANE0_SET,
- lane_count, dp->link_train.training_lane);
-
- return retval;
-}
-
-static void exynos_dp_get_max_rx_bandwidth(struct exynos_dp_device *dp,
- u8 *bandwidth)
-{
- u8 data;
-
- /*
- * For DP rev.1.1, Maximum link rate of Main Link lanes
- * 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps
- */
- exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LINK_RATE, &data);
- *bandwidth = data;
-}
-
-static void exynos_dp_get_max_rx_lane_count(struct exynos_dp_device *dp,
- u8 *lane_count)
-{
- u8 data;
-
- /*
- * For DP rev.1.1, Maximum number of Main Link lanes
- * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes
- */
- exynos_dp_read_byte_from_dpcd(dp, DPCD_ADDR_MAX_LANE_COUNT, &data);
- *lane_count = DPCD_MAX_LANE_COUNT(data);
-}
-
-static void exynos_dp_init_training(struct exynos_dp_device *dp,
- enum link_lane_count_type max_lane,
- enum link_rate_type max_rate)
-{
- /*
- * MACRO_RST must be applied after the PLL_LOCK to avoid
- * the DP inter pair skew issue for at least 10 us
- */
- exynos_dp_reset_macro(dp);
-
- /* Initialize by reading RX's DPCD */
- exynos_dp_get_max_rx_bandwidth(dp, &dp->link_train.link_rate);
- exynos_dp_get_max_rx_lane_count(dp, &dp->link_train.lane_count);
-
- if ((dp->link_train.link_rate != LINK_RATE_1_62GBPS) &&
- (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
- dev_err(dp->dev, "Rx Max Link Rate is abnormal :%x !\n",
- dp->link_train.link_rate);
- dp->link_train.link_rate = LINK_RATE_1_62GBPS;
- }
-
- if (dp->link_train.lane_count == 0) {
- dev_err(dp->dev, "Rx Max Lane count is abnormal :%x !\n",
- dp->link_train.lane_count);
- dp->link_train.lane_count = (u8)LANE_COUNT1;
- }
-
- /* Setup TX lane count & rate */
- if (dp->link_train.lane_count > max_lane)
- dp->link_train.lane_count = max_lane;
- if (dp->link_train.link_rate > max_rate)
- dp->link_train.link_rate = max_rate;
-
- /* All DP analog module power up */
- exynos_dp_set_analog_power_down(dp, POWER_ALL, 0);
-}
-
-static int exynos_dp_sw_link_training(struct exynos_dp_device *dp)
-{
- int retval = 0, training_finished = 0;
-
- dp->link_train.lt_state = START;
-
- /* Process here */
- while (!retval && !training_finished) {
- switch (dp->link_train.lt_state) {
- case START:
- retval = exynos_dp_link_start(dp);
- if (retval)
- dev_err(dp->dev, "LT link start failed!\n");
- break;
- case CLOCK_RECOVERY:
- retval = exynos_dp_process_clock_recovery(dp);
- if (retval)
- dev_err(dp->dev, "LT CR failed!\n");
- break;
- case EQUALIZER_TRAINING:
- retval = exynos_dp_process_equalizer_training(dp);
- if (retval)
- dev_err(dp->dev, "LT EQ failed!\n");
- break;
- case FINISHED:
- training_finished = 1;
- break;
- case FAILED:
- return -EREMOTEIO;
- }
- }
- if (retval)
- dev_err(dp->dev, "eDP link training failed (%d)\n", retval);
-
- return retval;
-}
-
-static int exynos_dp_set_link_train(struct exynos_dp_device *dp,
- u32 count,
- u32 bwtype)
-{
- int i;
- int retval;
-
- for (i = 0; i < DP_TIMEOUT_LOOP_COUNT; i++) {
- exynos_dp_init_training(dp, count, bwtype);
- retval = exynos_dp_sw_link_training(dp);
- if (retval == 0)
- break;
-
- usleep_range(100, 110);
- }
-
- return retval;
-}
-
-static int exynos_dp_config_video(struct exynos_dp_device *dp)
-{
- int retval = 0;
- int timeout_loop = 0;
- int done_count = 0;
-
- exynos_dp_config_video_slave_mode(dp);
-
- exynos_dp_set_video_color_format(dp);
-
- if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
- dev_err(dp->dev, "PLL is not locked yet.\n");
- return -EINVAL;
- }
-
- for (;;) {
- timeout_loop++;
- if (exynos_dp_is_slave_video_stream_clock_on(dp) == 0)
- break;
- if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
- dev_err(dp->dev, "Timeout of video streamclk ok\n");
- return -ETIMEDOUT;
- }
-
- usleep_range(1, 2);
- }
-
- /* Set to use the register calculated M/N video */
- exynos_dp_set_video_cr_mn(dp, CALCULATED_M, 0, 0);
-
- /* For video bist, Video timing must be generated by register */
- exynos_dp_set_video_timing_mode(dp, VIDEO_TIMING_FROM_CAPTURE);
-
- /* Disable video mute */
- exynos_dp_enable_video_mute(dp, 0);
-
- /* Configure video slave mode */
- exynos_dp_enable_video_master(dp, 0);
-
- /* Enable video */
- exynos_dp_start_video(dp);
-
- timeout_loop = 0;
-
- for (;;) {
- timeout_loop++;
- if (exynos_dp_is_video_stream_on(dp) == 0) {
- done_count++;
- if (done_count > 10)
- break;
- } else if (done_count) {
- done_count = 0;
- }
- if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
- dev_err(dp->dev, "Timeout of video streamclk ok\n");
- return -ETIMEDOUT;
- }
-
- usleep_range(1000, 1001);
- }
-
- if (retval != 0)
- dev_err(dp->dev, "Video stream is not detected!\n");
-
- return retval;
-}
-
-static void exynos_dp_enable_scramble(struct exynos_dp_device *dp, bool enable)
-{
- u8 data;
-
- if (enable) {
- exynos_dp_enable_scrambling(dp);
-
- exynos_dp_read_byte_from_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- &data);
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- (u8)(data & ~DPCD_SCRAMBLING_DISABLED));
- } else {
- exynos_dp_disable_scrambling(dp);
-
- exynos_dp_read_byte_from_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- &data);
- exynos_dp_write_byte_to_dpcd(dp,
- DPCD_ADDR_TRAINING_PATTERN_SET,
- (u8)(data | DPCD_SCRAMBLING_DISABLED));
- }
-}
-
-static irqreturn_t exynos_dp_irq_handler(int irq, void *arg)
-{
- struct exynos_dp_device *dp = arg;
-
- enum dp_irq_type irq_type;
-
- irq_type = exynos_dp_get_irq_type(dp);
- switch (irq_type) {
- case DP_IRQ_TYPE_HP_CABLE_IN:
- dev_dbg(dp->dev, "Received irq - cable in\n");
- schedule_work(&dp->hotplug_work);
- exynos_dp_clear_hotplug_interrupts(dp);
- break;
- case DP_IRQ_TYPE_HP_CABLE_OUT:
- dev_dbg(dp->dev, "Received irq - cable out\n");
- exynos_dp_clear_hotplug_interrupts(dp);
- break;
- case DP_IRQ_TYPE_HP_CHANGE:
- /*
- * We get these change notifications once in a while, but there
- * is nothing we can do with them. Just ignore it for now and
- * only handle cable changes.
- */
- dev_dbg(dp->dev, "Received irq - hotplug change; ignoring.\n");
- exynos_dp_clear_hotplug_interrupts(dp);
- break;
- default:
- dev_err(dp->dev, "Received irq - unknown type!\n");
- break;
- }
- return IRQ_HANDLED;
-}
-
-static void exynos_dp_hotplug(struct work_struct *work)
-{
- struct exynos_dp_device *dp;
- int ret;
-
- dp = container_of(work, struct exynos_dp_device, hotplug_work);
-
- ret = exynos_dp_detect_hpd(dp);
- if (ret) {
- /* Cable has been disconnected, we're done */
- return;
- }
-
- ret = exynos_dp_handle_edid(dp);
- if (ret) {
- dev_err(dp->dev, "unable to handle edid\n");
- return;
- }
-
- ret = exynos_dp_set_link_train(dp, dp->video_info->lane_count,
- dp->video_info->link_rate);
- if (ret) {
- dev_err(dp->dev, "unable to do link train\n");
- return;
- }
-
- exynos_dp_enable_scramble(dp, 1);
- exynos_dp_enable_rx_to_enhanced_mode(dp, 1);
- exynos_dp_enable_enhanced_mode(dp, 1);
-
- exynos_dp_set_lane_count(dp, dp->video_info->lane_count);
- exynos_dp_set_link_bandwidth(dp, dp->video_info->link_rate);
-
- exynos_dp_init_video(dp);
- ret = exynos_dp_config_video(dp);
- if (ret)
- dev_err(dp->dev, "unable to config video\n");
-}
-
-static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
-{
- struct device_node *dp_node = dev->of_node;
- struct video_info *dp_video_config;
-
- dp_video_config = devm_kzalloc(dev,
- sizeof(*dp_video_config), GFP_KERNEL);
- if (!dp_video_config) {
- dev_err(dev, "memory allocation for video config failed\n");
- return ERR_PTR(-ENOMEM);
- }
-
- dp_video_config->h_sync_polarity =
- of_property_read_bool(dp_node, "hsync-active-high");
-
- dp_video_config->v_sync_polarity =
- of_property_read_bool(dp_node, "vsync-active-high");
-
- dp_video_config->interlaced =
- of_property_read_bool(dp_node, "interlaced");
-
- if (of_property_read_u32(dp_node, "samsung,color-space",
- &dp_video_config->color_space)) {
- dev_err(dev, "failed to get color-space\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (of_property_read_u32(dp_node, "samsung,dynamic-range",
- &dp_video_config->dynamic_range)) {
- dev_err(dev, "failed to get dynamic-range\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (of_property_read_u32(dp_node, "samsung,ycbcr-coeff",
- &dp_video_config->ycbcr_coeff)) {
- dev_err(dev, "failed to get ycbcr-coeff\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (of_property_read_u32(dp_node, "samsung,color-depth",
- &dp_video_config->color_depth)) {
- dev_err(dev, "failed to get color-depth\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (of_property_read_u32(dp_node, "samsung,link-rate",
- &dp_video_config->link_rate)) {
- dev_err(dev, "failed to get link-rate\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (of_property_read_u32(dp_node, "samsung,lane-count",
- &dp_video_config->lane_count)) {
- dev_err(dev, "failed to get lane-count\n");
- return ERR_PTR(-EINVAL);
- }
-
- return dp_video_config;
-}
-
-static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
-{
- struct device_node *dp_phy_node = of_node_get(dp->dev->of_node);
- u32 phy_base;
- int ret = 0;
-
- dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy");
- if (!dp_phy_node) {
- dp->phy = devm_phy_get(dp->dev, "dp");
- if (IS_ERR(dp->phy))
- return PTR_ERR(dp->phy);
- else
- return 0;
- }
-
- if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) {
- dev_err(dp->dev, "failed to get reg for dptx-phy\n");
- ret = -EINVAL;
- goto err;
- }
-
- if (of_property_read_u32(dp_phy_node, "samsung,enable-mask",
- &dp->enable_mask)) {
- dev_err(dp->dev, "failed to get enable-mask for dptx-phy\n");
- ret = -EINVAL;
- goto err;
- }
-
- dp->phy_addr = ioremap(phy_base, SZ_4);
- if (!dp->phy_addr) {
- dev_err(dp->dev, "failed to ioremap dp-phy\n");
- ret = -ENOMEM;
- goto err;
- }
-
-err:
- of_node_put(dp_phy_node);
-
- return ret;
-}
-
-static void exynos_dp_phy_init(struct exynos_dp_device *dp)
-{
- if (dp->phy) {
- phy_power_on(dp->phy);
- } else if (dp->phy_addr) {
- u32 reg;
-
- reg = __raw_readl(dp->phy_addr);
- reg |= dp->enable_mask;
- __raw_writel(reg, dp->phy_addr);
- }
-}
-
-static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
-{
- if (dp->phy) {
- phy_power_off(dp->phy);
- } else if (dp->phy_addr) {
- u32 reg;
-
- reg = __raw_readl(dp->phy_addr);
- reg &= ~(dp->enable_mask);
- __raw_writel(reg, dp->phy_addr);
- }
-}
-
-static int exynos_dp_probe(struct platform_device *pdev)
-{
- struct resource *res;
- struct exynos_dp_device *dp;
-
- int ret = 0;
-
- dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
- GFP_KERNEL);
- if (!dp) {
- dev_err(&pdev->dev, "no memory for device data\n");
- return -ENOMEM;
- }
-
- dp->dev = &pdev->dev;
-
- dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev);
- if (IS_ERR(dp->video_info))
- return PTR_ERR(dp->video_info);
-
- ret = exynos_dp_dt_parse_phydata(dp);
- if (ret)
- return ret;
-
- dp->clock = devm_clk_get(&pdev->dev, "dp");
- if (IS_ERR(dp->clock)) {
- dev_err(&pdev->dev, "failed to get clock\n");
- return PTR_ERR(dp->clock);
- }
-
- clk_prepare_enable(dp->clock);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- dp->reg_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(dp->reg_base))
- return PTR_ERR(dp->reg_base);
-
- dp->irq = platform_get_irq(pdev, 0);
- if (dp->irq == -ENXIO) {
- dev_err(&pdev->dev, "failed to get irq\n");
- return -ENODEV;
- }
-
- INIT_WORK(&dp->hotplug_work, exynos_dp_hotplug);
-
- exynos_dp_phy_init(dp);
-
- exynos_dp_init_dp(dp);
-
- ret = devm_request_irq(&pdev->dev, dp->irq, exynos_dp_irq_handler, 0,
- "exynos-dp", dp);
- if (ret) {
- dev_err(&pdev->dev, "failed to request irq\n");
- return ret;
- }
-
- platform_set_drvdata(pdev, dp);
-
- return 0;
-}
-
-static int exynos_dp_remove(struct platform_device *pdev)
-{
- struct exynos_dp_device *dp = platform_get_drvdata(pdev);
-
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
-
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int exynos_dp_suspend(struct device *dev)
-{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
- disable_irq(dp->irq);
-
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
-
- return 0;
-}
-
-static int exynos_dp_resume(struct device *dev)
-{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
- exynos_dp_phy_init(dp);
-
- clk_prepare_enable(dp->clock);
-
- exynos_dp_init_dp(dp);
-
- enable_irq(dp->irq);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops exynos_dp_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(exynos_dp_suspend, exynos_dp_resume)
-};
-
-static const struct of_device_id exynos_dp_match[] = {
- { .compatible = "samsung,exynos5-dp" },
- {},
-};
-MODULE_DEVICE_TABLE(of, exynos_dp_match);
-
-static struct platform_driver exynos_dp_driver = {
- .probe = exynos_dp_probe,
- .remove = exynos_dp_remove,
- .driver = {
- .name = "exynos-dp",
- .owner = THIS_MODULE,
- .pm = &exynos_dp_pm_ops,
- .of_match_table = exynos_dp_match,
- },
-};
-
-module_platform_driver(exynos_dp_driver);
-
-MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DP Driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h
deleted file mode 100644
index 607e36d..0000000
--- a/drivers/video/exynos/exynos_dp_core.h
+++ /dev/null
@@ -1,320 +0,0 @@
-/*
- * Header file for Samsung DP (Display Port) interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DP_CORE_H
-#define _EXYNOS_DP_CORE_H
-
-#define DP_TIMEOUT_LOOP_COUNT 100
-#define MAX_CR_LOOP 5
-#define MAX_EQ_LOOP 5
-
-enum link_rate_type {
- LINK_RATE_1_62GBPS = 0x06,
- LINK_RATE_2_70GBPS = 0x0a
-};
-
-enum link_lane_count_type {
- LANE_COUNT1 = 1,
- LANE_COUNT2 = 2,
- LANE_COUNT4 = 4
-};
-
-enum link_training_state {
- START,
- CLOCK_RECOVERY,
- EQUALIZER_TRAINING,
- FINISHED,
- FAILED
-};
-
-enum voltage_swing_level {
- VOLTAGE_LEVEL_0,
- VOLTAGE_LEVEL_1,
- VOLTAGE_LEVEL_2,
- VOLTAGE_LEVEL_3,
-};
-
-enum pre_emphasis_level {
- PRE_EMPHASIS_LEVEL_0,
- PRE_EMPHASIS_LEVEL_1,
- PRE_EMPHASIS_LEVEL_2,
- PRE_EMPHASIS_LEVEL_3,
-};
-
-enum pattern_set {
- PRBS7,
- D10_2,
- TRAINING_PTN1,
- TRAINING_PTN2,
- DP_NONE
-};
-
-enum color_space {
- COLOR_RGB,
- COLOR_YCBCR422,
- COLOR_YCBCR444
-};
-
-enum color_depth {
- COLOR_6,
- COLOR_8,
- COLOR_10,
- COLOR_12
-};
-
-enum color_coefficient {
- COLOR_YCBCR601,
- COLOR_YCBCR709
-};
-
-enum dynamic_range {
- VESA,
- CEA
-};
-
-enum pll_status {
- PLL_UNLOCKED,
- PLL_LOCKED
-};
-
-enum clock_recovery_m_value_type {
- CALCULATED_M,
- REGISTER_M
-};
-
-enum video_timing_recognition_type {
- VIDEO_TIMING_FROM_CAPTURE,
- VIDEO_TIMING_FROM_REGISTER
-};
-
-enum analog_power_block {
- AUX_BLOCK,
- CH0_BLOCK,
- CH1_BLOCK,
- CH2_BLOCK,
- CH3_BLOCK,
- ANALOG_TOTAL,
- POWER_ALL
-};
-
-enum dp_irq_type {
- DP_IRQ_TYPE_HP_CABLE_IN,
- DP_IRQ_TYPE_HP_CABLE_OUT,
- DP_IRQ_TYPE_HP_CHANGE,
- DP_IRQ_TYPE_UNKNOWN,
-};
-
-struct video_info {
- char *name;
-
- bool h_sync_polarity;
- bool v_sync_polarity;
- bool interlaced;
-
- enum color_space color_space;
- enum dynamic_range dynamic_range;
- enum color_coefficient ycbcr_coeff;
- enum color_depth color_depth;
-
- enum link_rate_type link_rate;
- enum link_lane_count_type lane_count;
-};
-
-struct link_train {
- int eq_loop;
- int cr_loop[4];
-
- u8 link_rate;
- u8 lane_count;
- u8 training_lane[4];
-
- enum link_training_state lt_state;
-};
-
-struct exynos_dp_device {
- struct device *dev;
- struct clk *clock;
- unsigned int irq;
- void __iomem *reg_base;
- void __iomem *phy_addr;
- unsigned int enable_mask;
-
- struct video_info *video_info;
- struct link_train link_train;
- struct work_struct hotplug_work;
- struct phy *phy;
-};
-
-/* exynos_dp_reg.c */
-void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_stop_video(struct exynos_dp_device *dp);
-void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_init_analog_param(struct exynos_dp_device *dp);
-void exynos_dp_init_interrupt(struct exynos_dp_device *dp);
-void exynos_dp_reset(struct exynos_dp_device *dp);
-void exynos_dp_swreset(struct exynos_dp_device *dp);
-void exynos_dp_config_interrupt(struct exynos_dp_device *dp);
-enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp);
-void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
- enum analog_power_block block,
- bool enable);
-void exynos_dp_init_analog_func(struct exynos_dp_device *dp);
-void exynos_dp_init_hpd(struct exynos_dp_device *dp);
-enum dp_irq_type exynos_dp_get_irq_type(struct exynos_dp_device *dp);
-void exynos_dp_clear_hotplug_interrupts(struct exynos_dp_device *dp);
-void exynos_dp_reset_aux(struct exynos_dp_device *dp);
-void exynos_dp_init_aux(struct exynos_dp_device *dp);
-int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp);
-void exynos_dp_enable_sw_function(struct exynos_dp_device *dp);
-int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp);
-int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned char data);
-int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned char *data);
-int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned int count,
- unsigned char data[]);
-int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned int count,
- unsigned char data[]);
-int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
- unsigned int device_addr,
- unsigned int reg_addr);
-int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
- unsigned int device_addr,
- unsigned int reg_addr,
- unsigned int *data);
-int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
- unsigned int device_addr,
- unsigned int reg_addr,
- unsigned int count,
- unsigned char edid[]);
-void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype);
-void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype);
-void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count);
-void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count);
-void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
- enum pattern_set pattern);
-void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp,
- u32 training_lane);
-void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp,
- u32 training_lane);
-void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp,
- u32 training_lane);
-void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp,
- u32 training_lane);
-u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp);
-u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp);
-u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp);
-u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp);
-void exynos_dp_reset_macro(struct exynos_dp_device *dp);
-void exynos_dp_init_video(struct exynos_dp_device *dp);
-
-void exynos_dp_set_video_color_format(struct exynos_dp_device *dp);
-int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp);
-void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp,
- enum clock_recovery_m_value_type type,
- u32 m_value,
- u32 n_value);
-void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type);
-void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_start_video(struct exynos_dp_device *dp);
-int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp);
-void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp);
-void exynos_dp_enable_scrambling(struct exynos_dp_device *dp);
-void exynos_dp_disable_scrambling(struct exynos_dp_device *dp);
-
-/* I2C EDID Chip ID, Slave Address */
-#define I2C_EDID_DEVICE_ADDR 0x50
-#define I2C_E_EDID_DEVICE_ADDR 0x30
-
-#define EDID_BLOCK_LENGTH 0x80
-#define EDID_HEADER_PATTERN 0x00
-#define EDID_EXTENSION_FLAG 0x7e
-#define EDID_CHECKSUM 0x7f
-
-/* Definition for DPCD Register */
-#define DPCD_ADDR_DPCD_REV 0x0000
-#define DPCD_ADDR_MAX_LINK_RATE 0x0001
-#define DPCD_ADDR_MAX_LANE_COUNT 0x0002
-#define DPCD_ADDR_LINK_BW_SET 0x0100
-#define DPCD_ADDR_LANE_COUNT_SET 0x0101
-#define DPCD_ADDR_TRAINING_PATTERN_SET 0x0102
-#define DPCD_ADDR_TRAINING_LANE0_SET 0x0103
-#define DPCD_ADDR_LANE0_1_STATUS 0x0202
-#define DPCD_ADDR_LANE_ALIGN_STATUS_UPDATED 0x0204
-#define DPCD_ADDR_ADJUST_REQUEST_LANE0_1 0x0206
-#define DPCD_ADDR_ADJUST_REQUEST_LANE2_3 0x0207
-#define DPCD_ADDR_TEST_REQUEST 0x0218
-#define DPCD_ADDR_TEST_RESPONSE 0x0260
-#define DPCD_ADDR_TEST_EDID_CHECKSUM 0x0261
-#define DPCD_ADDR_SINK_POWER_STATE 0x0600
-
-/* DPCD_ADDR_MAX_LANE_COUNT */
-#define DPCD_ENHANCED_FRAME_CAP(x) (((x) >> 7) & 0x1)
-#define DPCD_MAX_LANE_COUNT(x) ((x) & 0x1f)
-
-/* DPCD_ADDR_LANE_COUNT_SET */
-#define DPCD_ENHANCED_FRAME_EN (0x1 << 7)
-#define DPCD_LANE_COUNT_SET(x) ((x) & 0x1f)
-
-/* DPCD_ADDR_TRAINING_PATTERN_SET */
-#define DPCD_SCRAMBLING_DISABLED (0x1 << 5)
-#define DPCD_SCRAMBLING_ENABLED (0x0 << 5)
-#define DPCD_TRAINING_PATTERN_2 (0x2 << 0)
-#define DPCD_TRAINING_PATTERN_1 (0x1 << 0)
-#define DPCD_TRAINING_PATTERN_DISABLED (0x0 << 0)
-
-/* DPCD_ADDR_TRAINING_LANE0_SET */
-#define DPCD_MAX_PRE_EMPHASIS_REACHED (0x1 << 5)
-#define DPCD_PRE_EMPHASIS_SET(x) (((x) & 0x3) << 3)
-#define DPCD_PRE_EMPHASIS_GET(x) (((x) >> 3) & 0x3)
-#define DPCD_PRE_EMPHASIS_PATTERN2_LEVEL0 (0x0 << 3)
-#define DPCD_MAX_SWING_REACHED (0x1 << 2)
-#define DPCD_VOLTAGE_SWING_SET(x) (((x) & 0x3) << 0)
-#define DPCD_VOLTAGE_SWING_GET(x) (((x) >> 0) & 0x3)
-#define DPCD_VOLTAGE_SWING_PATTERN1_LEVEL0 (0x0 << 0)
-
-/* DPCD_ADDR_LANE0_1_STATUS */
-#define DPCD_LANE_SYMBOL_LOCKED (0x1 << 2)
-#define DPCD_LANE_CHANNEL_EQ_DONE (0x1 << 1)
-#define DPCD_LANE_CR_DONE (0x1 << 0)
-#define DPCD_CHANNEL_EQ_BITS (DPCD_LANE_CR_DONE| \
- DPCD_LANE_CHANNEL_EQ_DONE|\
- DPCD_LANE_SYMBOL_LOCKED)
-
-/* DPCD_ADDR_LANE_ALIGN__STATUS_UPDATED */
-#define DPCD_LINK_STATUS_UPDATED (0x1 << 7)
-#define DPCD_DOWNSTREAM_PORT_STATUS_CHANGED (0x1 << 6)
-#define DPCD_INTERLANE_ALIGN_DONE (0x1 << 0)
-
-/* DPCD_ADDR_TEST_REQUEST */
-#define DPCD_TEST_EDID_READ (0x1 << 2)
-
-/* DPCD_ADDR_TEST_RESPONSE */
-#define DPCD_TEST_EDID_CHECKSUM_WRITE (0x1 << 2)
-
-/* DPCD_ADDR_SINK_POWER_STATE */
-#define DPCD_SET_POWER_STATE_D0 (0x1 << 0)
-#define DPCD_SET_POWER_STATE_D4 (0x2 << 0)
-
-#endif /* _EXYNOS_DP_CORE_H */
diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c
deleted file mode 100644
index b70da50..0000000
--- a/drivers/video/exynos/exynos_dp_reg.c
+++ /dev/null
@@ -1,1243 +0,0 @@
-/*
- * Samsung DP (Display port) register interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-
-#include "exynos_dp_core.h"
-#include "exynos_dp_reg.h"
-
-#define COMMON_INT_MASK_1 0
-#define COMMON_INT_MASK_2 0
-#define COMMON_INT_MASK_3 0
-#define COMMON_INT_MASK_4 (HOTPLUG_CHG | HPD_LOST | PLUG)
-#define INT_STA_MASK INT_HPD
-
-void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable)
-{
- u32 reg;
-
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
- reg |= HDCP_VIDEO_MUTE;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
- reg &= ~HDCP_VIDEO_MUTE;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
- }
-}
-
-void exynos_dp_stop_video(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
- reg &= ~VIDEO_EN;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-}
-
-void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable)
-{
- u32 reg;
-
- if (enable)
- reg = LANE3_MAP_LOGIC_LANE_0 | LANE2_MAP_LOGIC_LANE_1 |
- LANE1_MAP_LOGIC_LANE_2 | LANE0_MAP_LOGIC_LANE_3;
- else
- reg = LANE3_MAP_LOGIC_LANE_3 | LANE2_MAP_LOGIC_LANE_2 |
- LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0;
-
- writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP);
-}
-
-void exynos_dp_init_analog_param(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = TX_TERMINAL_CTRL_50_OHM;
- writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_1);
-
- reg = SEL_24M | TX_DVDD_BIT_1_0625V;
- writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_2);
-
- reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO;
- writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3);
-
- reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM |
- TX_CUR1_2X | TX_CUR_16_MA;
- writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1);
-
- reg = CH3_AMP_400_MV | CH2_AMP_400_MV |
- CH1_AMP_400_MV | CH0_AMP_400_MV;
- writel(reg, dp->reg_base + EXYNOS_DP_TX_AMP_TUNING_CTL);
-}
-
-void exynos_dp_init_interrupt(struct exynos_dp_device *dp)
-{
- /* Set interrupt pin assertion polarity as high */
- writel(INT_POL1 | INT_POL0, dp->reg_base + EXYNOS_DP_INT_CTL);
-
- /* Clear pending regisers */
- writel(0xff, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
- writel(0x4f, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_2);
- writel(0xe0, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_3);
- writel(0xe7, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
- writel(0x63, dp->reg_base + EXYNOS_DP_INT_STA);
-
- /* 0:mask,1: unmask */
- writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1);
- writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2);
- writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3);
- writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4);
- writel(0x00, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
-}
-
-void exynos_dp_reset(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- exynos_dp_stop_video(dp);
- exynos_dp_enable_video_mute(dp, 0);
-
- reg = MASTER_VID_FUNC_EN_N | SLAVE_VID_FUNC_EN_N |
- AUD_FIFO_FUNC_EN_N | AUD_FUNC_EN_N |
- HDCP_FUNC_EN_N | SW_FUNC_EN_N;
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-
- reg = SSC_FUNC_EN_N | AUX_FUNC_EN_N |
- SERDES_FIFO_FUNC_EN_N |
- LS_CLK_DOMAIN_FUNC_EN_N;
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-
- usleep_range(20, 30);
-
- exynos_dp_lane_swap(dp, 0);
-
- writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
- writel(0x40, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
- writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
- writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-
- writel(0x0, dp->reg_base + EXYNOS_DP_PKT_SEND_CTL);
- writel(0x0, dp->reg_base + EXYNOS_DP_HDCP_CTL);
-
- writel(0x5e, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_L);
- writel(0x1a, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_H);
-
- writel(0x10, dp->reg_base + EXYNOS_DP_LINK_DEBUG_CTL);
-
- writel(0x0, dp->reg_base + EXYNOS_DP_PHY_TEST);
-
- writel(0x0, dp->reg_base + EXYNOS_DP_VIDEO_FIFO_THRD);
- writel(0x20, dp->reg_base + EXYNOS_DP_AUDIO_MARGIN);
-
- writel(0x4, dp->reg_base + EXYNOS_DP_M_VID_GEN_FILTER_TH);
- writel(0x2, dp->reg_base + EXYNOS_DP_M_AUD_GEN_FILTER_TH);
-
- writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-}
-
-void exynos_dp_swreset(struct exynos_dp_device *dp)
-{
- writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET);
-}
-
-void exynos_dp_config_interrupt(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- /* 0: mask, 1: unmask */
- reg = COMMON_INT_MASK_1;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1);
-
- reg = COMMON_INT_MASK_2;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2);
-
- reg = COMMON_INT_MASK_3;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3);
-
- reg = COMMON_INT_MASK_4;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4);
-
- reg = INT_STA_MASK;
- writel(reg, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
-}
-
-enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL);
- if (reg & PLL_LOCK)
- return PLL_LOCKED;
- else
- return PLL_UNLOCKED;
-}
-
-void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable)
-{
- u32 reg;
-
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL);
- reg |= DP_PLL_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL);
- reg &= ~DP_PLL_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL);
- }
-}
-
-void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
- enum analog_power_block block,
- bool enable)
-{
- u32 reg;
-
- switch (block) {
- case AUX_BLOCK:
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg |= AUX_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg &= ~AUX_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- case CH0_BLOCK:
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg |= CH0_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg &= ~CH0_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- case CH1_BLOCK:
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg |= CH1_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg &= ~CH1_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- case CH2_BLOCK:
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg |= CH2_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg &= ~CH2_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- case CH3_BLOCK:
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg |= CH3_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg &= ~CH3_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- case ANALOG_TOTAL:
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg |= DP_PHY_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
- reg &= ~DP_PHY_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- case POWER_ALL:
- if (enable) {
- reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD |
- CH1_PD | CH0_PD;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
- } else {
- writel(0x00, dp->reg_base + EXYNOS_DP_PHY_PD);
- }
- break;
- default:
- break;
- }
-}
-
-void exynos_dp_init_analog_func(struct exynos_dp_device *dp)
-{
- u32 reg;
- int timeout_loop = 0;
-
- exynos_dp_set_analog_power_down(dp, POWER_ALL, 0);
-
- reg = PLL_LOCK_CHG;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
-
- reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL);
- reg &= ~(F_PLL_LOCK | PLL_LOCK_CTRL);
- writel(reg, dp->reg_base + EXYNOS_DP_DEBUG_CTL);
-
- /* Power up PLL */
- if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
- exynos_dp_set_pll_power_down(dp, 0);
-
- while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
- timeout_loop++;
- if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
- dev_err(dp->dev, "failed to get pll lock status\n");
- return;
- }
- usleep_range(10, 20);
- }
- }
-
- /* Enable Serdes FIFO function and Link symbol clock domain module */
- reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
- reg &= ~(SERDES_FIFO_FUNC_EN_N | LS_CLK_DOMAIN_FUNC_EN_N
- | AUX_FUNC_EN_N);
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-}
-
-void exynos_dp_clear_hotplug_interrupts(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = HOTPLUG_CHG | HPD_LOST | PLUG;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
-
- reg = INT_HPD;
- writel(reg, dp->reg_base + EXYNOS_DP_INT_STA);
-}
-
-void exynos_dp_init_hpd(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- exynos_dp_clear_hotplug_interrupts(dp);
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
- reg &= ~(F_HPD | HPD_CTRL);
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-}
-
-enum dp_irq_type exynos_dp_get_irq_type(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- /* Parse hotplug interrupt status register */
- reg = readl(dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
-
- if (reg & PLUG)
- return DP_IRQ_TYPE_HP_CABLE_IN;
-
- if (reg & HPD_LOST)
- return DP_IRQ_TYPE_HP_CABLE_OUT;
-
- if (reg & HOTPLUG_CHG)
- return DP_IRQ_TYPE_HP_CHANGE;
-
- return DP_IRQ_TYPE_UNKNOWN;
-}
-
-void exynos_dp_reset_aux(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- /* Disable AUX channel module */
- reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
- reg |= AUX_FUNC_EN_N;
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-}
-
-void exynos_dp_init_aux(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- /* Clear inerrupts related to AUX channel */
- reg = RPLY_RECEIV | AUX_ERR;
- writel(reg, dp->reg_base + EXYNOS_DP_INT_STA);
-
- exynos_dp_reset_aux(dp);
-
- /* Disable AUX transaction H/W retry */
- reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0)|
- AUX_HW_RETRY_INTERVAL_600_MICROSECONDS;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_HW_RETRY_CTL) ;
-
- /* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */
- reg = DEFER_CTRL_EN | DEFER_COUNT(1);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_DEFER_CTL);
-
- /* Enable AUX channel module */
- reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
- reg &= ~AUX_FUNC_EN_N;
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-}
-
-int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
- if (reg & HPD_STATUS)
- return 0;
-
- return -EINVAL;
-}
-
-void exynos_dp_enable_sw_function(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1);
- reg &= ~SW_FUNC_EN_N;
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-}
-
-int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp)
-{
- int reg;
- int retval = 0;
- int timeout_loop = 0;
-
- /* Enable AUX CH operation */
- reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
- reg |= AUX_EN;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
-
- /* Is AUX CH command reply received? */
- reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
- while (!(reg & RPLY_RECEIV)) {
- timeout_loop++;
- if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
- dev_err(dp->dev, "AUX CH command reply failed!\n");
- return -ETIMEDOUT;
- }
- reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
- usleep_range(10, 11);
- }
-
- /* Clear interrupt source for AUX CH command reply */
- writel(RPLY_RECEIV, dp->reg_base + EXYNOS_DP_INT_STA);
-
- /* Clear interrupt source for AUX CH access error */
- reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
- if (reg & AUX_ERR) {
- writel(AUX_ERR, dp->reg_base + EXYNOS_DP_INT_STA);
- return -EREMOTEIO;
- }
-
- /* Check AUX CH error access status */
- reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_STA);
- if ((reg & AUX_STATUS_MASK) != 0) {
- dev_err(dp->dev, "AUX CH error happens: %d\n\n",
- reg & AUX_STATUS_MASK);
- return -EREMOTEIO;
- }
-
- return retval;
-}
-
-int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned char data)
-{
- u32 reg;
- int i;
- int retval;
-
- for (i = 0; i < 3; i++) {
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
- /* Select DPCD device address */
- reg = AUX_ADDR_7_0(reg_addr);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
- reg = AUX_ADDR_15_8(reg_addr);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
- reg = AUX_ADDR_19_16(reg_addr);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
- /* Write data buffer */
- reg = (unsigned int)data;
- writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-
- /*
- * Set DisplayPort transaction and write 1 byte
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
- else
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
- __func__);
- }
-
- return retval;
-}
-
-int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned char *data)
-{
- u32 reg;
- int i;
- int retval;
-
- for (i = 0; i < 3; i++) {
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
- /* Select DPCD device address */
- reg = AUX_ADDR_7_0(reg_addr);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
- reg = AUX_ADDR_15_8(reg_addr);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
- reg = AUX_ADDR_19_16(reg_addr);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
- /*
- * Set DisplayPort transaction and read 1 byte
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
- else
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
- __func__);
- }
-
- /* Read data buffer */
- reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0);
- *data = (unsigned char)(reg & 0xff);
-
- return retval;
-}
-
-int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned int count,
- unsigned char data[])
-{
- u32 reg;
- unsigned int start_offset;
- unsigned int cur_data_count;
- unsigned int cur_data_idx;
- int i;
- int retval = 0;
-
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
- start_offset = 0;
- while (start_offset < count) {
- /* Buffer size of AUX CH is 16 * 4bytes */
- if ((count - start_offset) > 16)
- cur_data_count = 16;
- else
- cur_data_count = count - start_offset;
-
- for (i = 0; i < 3; i++) {
- /* Select DPCD device address */
- reg = AUX_ADDR_7_0(reg_addr + start_offset);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
- reg = AUX_ADDR_15_8(reg_addr + start_offset);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
- reg = AUX_ADDR_19_16(reg_addr + start_offset);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
- for (cur_data_idx = 0; cur_data_idx < cur_data_count;
- cur_data_idx++) {
- reg = data[start_offset + cur_data_idx];
- writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0
- + 4 * cur_data_idx);
- }
-
- /*
- * Set DisplayPort transaction and write
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_LENGTH(cur_data_count) |
- AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
- else
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
- __func__);
- }
-
- start_offset += cur_data_count;
- }
-
- return retval;
-}
-
-int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
- unsigned int reg_addr,
- unsigned int count,
- unsigned char data[])
-{
- u32 reg;
- unsigned int start_offset;
- unsigned int cur_data_count;
- unsigned int cur_data_idx;
- int i;
- int retval = 0;
-
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
- start_offset = 0;
- while (start_offset < count) {
- /* Buffer size of AUX CH is 16 * 4bytes */
- if ((count - start_offset) > 16)
- cur_data_count = 16;
- else
- cur_data_count = count - start_offset;
-
- /* AUX CH Request Transaction process */
- for (i = 0; i < 3; i++) {
- /* Select DPCD device address */
- reg = AUX_ADDR_7_0(reg_addr + start_offset);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
- reg = AUX_ADDR_15_8(reg_addr + start_offset);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
- reg = AUX_ADDR_19_16(reg_addr + start_offset);
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
- /*
- * Set DisplayPort transaction and read
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_LENGTH(cur_data_count) |
- AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
- else
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
- __func__);
- }
-
- for (cur_data_idx = 0; cur_data_idx < cur_data_count;
- cur_data_idx++) {
- reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0
- + 4 * cur_data_idx);
- data[start_offset + cur_data_idx] =
- (unsigned char)reg;
- }
-
- start_offset += cur_data_count;
- }
-
- return retval;
-}
-
-int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
- unsigned int device_addr,
- unsigned int reg_addr)
-{
- u32 reg;
- int retval;
-
- /* Set EDID device address */
- reg = device_addr;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
- writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
- writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
- /* Set offset from base address of EDID device */
- writel(reg_addr, dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-
- /*
- * Set I2C transaction and write address
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_TX_COMM_I2C_TRANSACTION | AUX_TX_COMM_MOT |
- AUX_TX_COMM_WRITE;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval != 0)
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
-
- return retval;
-}
-
-int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
- unsigned int device_addr,
- unsigned int reg_addr,
- unsigned int *data)
-{
- u32 reg;
- int i;
- int retval;
-
- for (i = 0; i < 3; i++) {
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
- /* Select EDID device */
- retval = exynos_dp_select_i2c_device(dp, device_addr, reg_addr);
- if (retval != 0)
- continue;
-
- /*
- * Set I2C transaction and read data
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_TX_COMM_I2C_TRANSACTION |
- AUX_TX_COMM_READ;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
- else
- dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
- __func__);
- }
-
- /* Read data */
- if (retval == 0)
- *data = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-
- return retval;
-}
-
-int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
- unsigned int device_addr,
- unsigned int reg_addr,
- unsigned int count,
- unsigned char edid[])
-{
- u32 reg;
- unsigned int i, j;
- unsigned int cur_data_idx;
- unsigned int defer = 0;
- int retval = 0;
-
- for (i = 0; i < count; i += 16) {
- for (j = 0; j < 3; j++) {
- /* Clear AUX CH data buffer */
- reg = BUF_CLR;
- writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
- /* Set normal AUX CH command */
- reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
- reg &= ~ADDR_ONLY;
- writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
-
- /*
- * If Rx sends defer, Tx sends only reads
- * request without sending address
- */
- if (!defer)
- retval = exynos_dp_select_i2c_device(dp,
- device_addr, reg_addr + i);
- else
- defer = 0;
-
- if (retval == 0) {
- /*
- * Set I2C transaction and write data
- * If bit 3 is 1, DisplayPort transaction.
- * If Bit 3 is 0, I2C transaction.
- */
- reg = AUX_LENGTH(16) |
- AUX_TX_COMM_I2C_TRANSACTION |
- AUX_TX_COMM_READ;
- writel(reg, dp->reg_base +
- EXYNOS_DP_AUX_CH_CTL_1);
-
- /* Start AUX transaction */
- retval = exynos_dp_start_aux_transaction(dp);
- if (retval == 0)
- break;
- else
- dev_dbg(dp->dev,
- "%s: Aux Transaction fail!\n",
- __func__);
- }
- /* Check if Rx sends defer */
- reg = readl(dp->reg_base + EXYNOS_DP_AUX_RX_COMM);
- if (reg == AUX_RX_COMM_AUX_DEFER ||
- reg == AUX_RX_COMM_I2C_DEFER) {
- dev_err(dp->dev, "Defer: %d\n\n", reg);
- defer = 1;
- }
- }
-
- for (cur_data_idx = 0; cur_data_idx < 16; cur_data_idx++) {
- reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0
- + 4 * cur_data_idx);
- edid[i + cur_data_idx] = (unsigned char)reg;
- }
- }
-
- return retval;
-}
-
-void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype)
-{
- u32 reg;
-
- reg = bwtype;
- if ((bwtype == LINK_RATE_2_70GBPS) || (bwtype == LINK_RATE_1_62GBPS))
- writel(reg, dp->reg_base + EXYNOS_DP_LINK_BW_SET);
-}
-
-void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LINK_BW_SET);
- *bwtype = reg;
-}
-
-void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count)
-{
- u32 reg;
-
- reg = count;
- writel(reg, dp->reg_base + EXYNOS_DP_LANE_COUNT_SET);
-}
-
-void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LANE_COUNT_SET);
- *count = reg;
-}
-
-void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable)
-{
- u32 reg;
-
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- reg |= ENHANCED;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- reg &= ~ENHANCED;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- }
-}
-
-void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
- enum pattern_set pattern)
-{
- u32 reg;
-
- switch (pattern) {
- case PRBS7:
- reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_PRBS7;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- break;
- case D10_2:
- reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_D10_2;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- break;
- case TRAINING_PTN1:
- reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN1;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- break;
- case TRAINING_PTN2:
- reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN2;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- break;
- case DP_NONE:
- reg = SCRAMBLING_ENABLE |
- LINK_QUAL_PATTERN_SET_DISABLE |
- SW_TRAINING_PATTERN_SET_NORMAL;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- break;
- default:
- break;
- }
-}
-
-void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
- reg &= ~PRE_EMPHASIS_SET_MASK;
- reg |= level << PRE_EMPHASIS_SET_SHIFT;
- writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
- reg &= ~PRE_EMPHASIS_SET_MASK;
- reg |= level << PRE_EMPHASIS_SET_SHIFT;
- writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
- reg &= ~PRE_EMPHASIS_SET_MASK;
- reg |= level << PRE_EMPHASIS_SET_SHIFT;
- writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
- reg &= ~PRE_EMPHASIS_SET_MASK;
- reg |= level << PRE_EMPHASIS_SET_SHIFT;
- writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp,
- u32 training_lane)
-{
- u32 reg;
-
- reg = training_lane;
- writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp,
- u32 training_lane)
-{
- u32 reg;
-
- reg = training_lane;
- writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp,
- u32 training_lane)
-{
- u32 reg;
-
- reg = training_lane;
- writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp,
- u32 training_lane)
-{
- u32 reg;
-
- reg = training_lane;
- writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
-}
-
-u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
- return reg;
-}
-
-u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
- return reg;
-}
-
-u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
- return reg;
-}
-
-u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
- return reg;
-}
-
-void exynos_dp_reset_macro(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_PHY_TEST);
- reg |= MACRO_RST;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
-
- /* 10 us is the minimum reset time. */
- usleep_range(10, 20);
-
- reg &= ~MACRO_RST;
- writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
-}
-
-void exynos_dp_init_video(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = VSYNC_DET | VID_FORMAT_CHG | VID_CLK_CHG;
- writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
-
- reg = 0x0;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-
- reg = CHA_CRI(4) | CHA_CTRL;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-
- reg = 0x0;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-
- reg = VID_HRES_TH(2) | VID_VRES_TH(0);
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_8);
-}
-
-void exynos_dp_set_video_color_format(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- /* Configure the input color depth, color space, dynamic range */
- reg = (dp->video_info->dynamic_range << IN_D_RANGE_SHIFT) |
- (dp->video_info->color_depth << IN_BPC_SHIFT) |
- (dp->video_info->color_space << IN_COLOR_F_SHIFT);
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_2);
-
- /* Set Input Color YCbCr Coefficients to ITU601 or ITU709 */
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_3);
- reg &= ~IN_YC_COEFFI_MASK;
- if (dp->video_info->ycbcr_coeff)
- reg |= IN_YC_COEFFI_ITU709;
- else
- reg |= IN_YC_COEFFI_ITU601;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_3);
-}
-
-int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1);
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-
- if (!(reg & DET_STA)) {
- dev_dbg(dp->dev, "Input stream clock not detected.\n");
- return -EINVAL;
- }
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2);
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2);
- dev_dbg(dp->dev, "wait SYS_CTL_2.\n");
-
- if (reg & CHA_STA) {
- dev_dbg(dp->dev, "Input stream clk is changing\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp,
- enum clock_recovery_m_value_type type,
- u32 m_value,
- u32 n_value)
-{
- u32 reg;
-
- if (type == REGISTER_M) {
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- reg |= FIX_M_VID;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- reg = m_value & 0xff;
- writel(reg, dp->reg_base + EXYNOS_DP_M_VID_0);
- reg = (m_value >> 8) & 0xff;
- writel(reg, dp->reg_base + EXYNOS_DP_M_VID_1);
- reg = (m_value >> 16) & 0xff;
- writel(reg, dp->reg_base + EXYNOS_DP_M_VID_2);
-
- reg = n_value & 0xff;
- writel(reg, dp->reg_base + EXYNOS_DP_N_VID_0);
- reg = (n_value >> 8) & 0xff;
- writel(reg, dp->reg_base + EXYNOS_DP_N_VID_1);
- reg = (n_value >> 16) & 0xff;
- writel(reg, dp->reg_base + EXYNOS_DP_N_VID_2);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
- reg &= ~FIX_M_VID;
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-
- writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_0);
- writel(0x80, dp->reg_base + EXYNOS_DP_N_VID_1);
- writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_2);
- }
-}
-
-void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type)
-{
- u32 reg;
-
- if (type == VIDEO_TIMING_FROM_CAPTURE) {
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- reg &= ~FORMAT_SEL;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- reg |= FORMAT_SEL;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- }
-}
-
-void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable)
-{
- u32 reg;
-
- if (enable) {
- reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
- reg &= ~VIDEO_MODE_MASK;
- reg |= VIDEO_MASTER_MODE_EN | VIDEO_MODE_MASTER_MODE;
- writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
- } else {
- reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
- reg &= ~VIDEO_MODE_MASK;
- reg |= VIDEO_MODE_SLAVE_MODE;
- writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
- }
-}
-
-void exynos_dp_start_video(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
- reg |= VIDEO_EN;
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-}
-
-int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
- writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-
- reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
- if (!(reg & STRM_VALID)) {
- dev_dbg(dp->dev, "Input video stream is not detected.\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1);
- reg &= ~(MASTER_VID_FUNC_EN_N|SLAVE_VID_FUNC_EN_N);
- reg |= MASTER_VID_FUNC_EN_N;
- writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- reg &= ~INTERACE_SCAN_CFG;
- reg |= (dp->video_info->interlaced << 2);
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- reg &= ~VSYNC_POLARITY_CFG;
- reg |= (dp->video_info->v_sync_polarity << 1);
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-
- reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
- reg &= ~HSYNC_POLARITY_CFG;
- reg |= (dp->video_info->h_sync_polarity << 0);
- writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-
- reg = AUDIO_MODE_SPDIF_MODE | VIDEO_MODE_SLAVE_MODE;
- writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-}
-
-void exynos_dp_enable_scrambling(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- reg &= ~SCRAMBLING_DISABLE;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-}
-
-void exynos_dp_disable_scrambling(struct exynos_dp_device *dp)
-{
- u32 reg;
-
- reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
- reg |= SCRAMBLING_DISABLE;
- writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-}
diff --git a/drivers/video/exynos/exynos_dp_reg.h b/drivers/video/exynos/exynos_dp_reg.h
deleted file mode 100644
index 2e9bd0e..0000000
--- a/drivers/video/exynos/exynos_dp_reg.h
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * Register definition file for Samsung DP driver
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef _EXYNOS_DP_REG_H
-#define _EXYNOS_DP_REG_H
-
-#define EXYNOS_DP_TX_SW_RESET 0x14
-#define EXYNOS_DP_FUNC_EN_1 0x18
-#define EXYNOS_DP_FUNC_EN_2 0x1C
-#define EXYNOS_DP_VIDEO_CTL_1 0x20
-#define EXYNOS_DP_VIDEO_CTL_2 0x24
-#define EXYNOS_DP_VIDEO_CTL_3 0x28
-
-#define EXYNOS_DP_VIDEO_CTL_8 0x3C
-#define EXYNOS_DP_VIDEO_CTL_10 0x44
-
-#define EXYNOS_DP_LANE_MAP 0x35C
-
-#define EXYNOS_DP_ANALOG_CTL_1 0x370
-#define EXYNOS_DP_ANALOG_CTL_2 0x374
-#define EXYNOS_DP_ANALOG_CTL_3 0x378
-#define EXYNOS_DP_PLL_FILTER_CTL_1 0x37C
-#define EXYNOS_DP_TX_AMP_TUNING_CTL 0x380
-
-#define EXYNOS_DP_AUX_HW_RETRY_CTL 0x390
-
-#define EXYNOS_DP_COMMON_INT_STA_1 0x3C4
-#define EXYNOS_DP_COMMON_INT_STA_2 0x3C8
-#define EXYNOS_DP_COMMON_INT_STA_3 0x3CC
-#define EXYNOS_DP_COMMON_INT_STA_4 0x3D0
-#define EXYNOS_DP_INT_STA 0x3DC
-#define EXYNOS_DP_COMMON_INT_MASK_1 0x3E0
-#define EXYNOS_DP_COMMON_INT_MASK_2 0x3E4
-#define EXYNOS_DP_COMMON_INT_MASK_3 0x3E8
-#define EXYNOS_DP_COMMON_INT_MASK_4 0x3EC
-#define EXYNOS_DP_INT_STA_MASK 0x3F8
-#define EXYNOS_DP_INT_CTL 0x3FC
-
-#define EXYNOS_DP_SYS_CTL_1 0x600
-#define EXYNOS_DP_SYS_CTL_2 0x604
-#define EXYNOS_DP_SYS_CTL_3 0x608
-#define EXYNOS_DP_SYS_CTL_4 0x60C
-
-#define EXYNOS_DP_PKT_SEND_CTL 0x640
-#define EXYNOS_DP_HDCP_CTL 0x648
-
-#define EXYNOS_DP_LINK_BW_SET 0x680
-#define EXYNOS_DP_LANE_COUNT_SET 0x684
-#define EXYNOS_DP_TRAINING_PTN_SET 0x688
-#define EXYNOS_DP_LN0_LINK_TRAINING_CTL 0x68C
-#define EXYNOS_DP_LN1_LINK_TRAINING_CTL 0x690
-#define EXYNOS_DP_LN2_LINK_TRAINING_CTL 0x694
-#define EXYNOS_DP_LN3_LINK_TRAINING_CTL 0x698
-
-#define EXYNOS_DP_DEBUG_CTL 0x6C0
-#define EXYNOS_DP_HPD_DEGLITCH_L 0x6C4
-#define EXYNOS_DP_HPD_DEGLITCH_H 0x6C8
-#define EXYNOS_DP_LINK_DEBUG_CTL 0x6E0
-
-#define EXYNOS_DP_M_VID_0 0x700
-#define EXYNOS_DP_M_VID_1 0x704
-#define EXYNOS_DP_M_VID_2 0x708
-#define EXYNOS_DP_N_VID_0 0x70C
-#define EXYNOS_DP_N_VID_1 0x710
-#define EXYNOS_DP_N_VID_2 0x714
-
-#define EXYNOS_DP_PLL_CTL 0x71C
-#define EXYNOS_DP_PHY_PD 0x720
-#define EXYNOS_DP_PHY_TEST 0x724
-
-#define EXYNOS_DP_VIDEO_FIFO_THRD 0x730
-#define EXYNOS_DP_AUDIO_MARGIN 0x73C
-
-#define EXYNOS_DP_M_VID_GEN_FILTER_TH 0x764
-#define EXYNOS_DP_M_AUD_GEN_FILTER_TH 0x778
-#define EXYNOS_DP_AUX_CH_STA 0x780
-#define EXYNOS_DP_AUX_CH_DEFER_CTL 0x788
-#define EXYNOS_DP_AUX_RX_COMM 0x78C
-#define EXYNOS_DP_BUFFER_DATA_CTL 0x790
-#define EXYNOS_DP_AUX_CH_CTL_1 0x794
-#define EXYNOS_DP_AUX_ADDR_7_0 0x798
-#define EXYNOS_DP_AUX_ADDR_15_8 0x79C
-#define EXYNOS_DP_AUX_ADDR_19_16 0x7A0
-#define EXYNOS_DP_AUX_CH_CTL_2 0x7A4
-
-#define EXYNOS_DP_BUF_DATA_0 0x7C0
-
-#define EXYNOS_DP_SOC_GENERAL_CTL 0x800
-
-/* EXYNOS_DP_TX_SW_RESET */
-#define RESET_DP_TX (0x1 << 0)
-
-/* EXYNOS_DP_FUNC_EN_1 */
-#define MASTER_VID_FUNC_EN_N (0x1 << 7)
-#define SLAVE_VID_FUNC_EN_N (0x1 << 5)
-#define AUD_FIFO_FUNC_EN_N (0x1 << 4)
-#define AUD_FUNC_EN_N (0x1 << 3)
-#define HDCP_FUNC_EN_N (0x1 << 2)
-#define CRC_FUNC_EN_N (0x1 << 1)
-#define SW_FUNC_EN_N (0x1 << 0)
-
-/* EXYNOS_DP_FUNC_EN_2 */
-#define SSC_FUNC_EN_N (0x1 << 7)
-#define AUX_FUNC_EN_N (0x1 << 2)
-#define SERDES_FIFO_FUNC_EN_N (0x1 << 1)
-#define LS_CLK_DOMAIN_FUNC_EN_N (0x1 << 0)
-
-/* EXYNOS_DP_VIDEO_CTL_1 */
-#define VIDEO_EN (0x1 << 7)
-#define HDCP_VIDEO_MUTE (0x1 << 6)
-
-/* EXYNOS_DP_VIDEO_CTL_1 */
-#define IN_D_RANGE_MASK (0x1 << 7)
-#define IN_D_RANGE_SHIFT (7)
-#define IN_D_RANGE_CEA (0x1 << 7)
-#define IN_D_RANGE_VESA (0x0 << 7)
-#define IN_BPC_MASK (0x7 << 4)
-#define IN_BPC_SHIFT (4)
-#define IN_BPC_12_BITS (0x3 << 4)
-#define IN_BPC_10_BITS (0x2 << 4)
-#define IN_BPC_8_BITS (0x1 << 4)
-#define IN_BPC_6_BITS (0x0 << 4)
-#define IN_COLOR_F_MASK (0x3 << 0)
-#define IN_COLOR_F_SHIFT (0)
-#define IN_COLOR_F_YCBCR444 (0x2 << 0)
-#define IN_COLOR_F_YCBCR422 (0x1 << 0)
-#define IN_COLOR_F_RGB (0x0 << 0)
-
-/* EXYNOS_DP_VIDEO_CTL_3 */
-#define IN_YC_COEFFI_MASK (0x1 << 7)
-#define IN_YC_COEFFI_SHIFT (7)
-#define IN_YC_COEFFI_ITU709 (0x1 << 7)
-#define IN_YC_COEFFI_ITU601 (0x0 << 7)
-#define VID_CHK_UPDATE_TYPE_MASK (0x1 << 4)
-#define VID_CHK_UPDATE_TYPE_SHIFT (4)
-#define VID_CHK_UPDATE_TYPE_1 (0x1 << 4)
-#define VID_CHK_UPDATE_TYPE_0 (0x0 << 4)
-
-/* EXYNOS_DP_VIDEO_CTL_8 */
-#define VID_HRES_TH(x) (((x) & 0xf) << 4)
-#define VID_VRES_TH(x) (((x) & 0xf) << 0)
-
-/* EXYNOS_DP_VIDEO_CTL_10 */
-#define FORMAT_SEL (0x1 << 4)
-#define INTERACE_SCAN_CFG (0x1 << 2)
-#define VSYNC_POLARITY_CFG (0x1 << 1)
-#define HSYNC_POLARITY_CFG (0x1 << 0)
-
-/* EXYNOS_DP_LANE_MAP */
-#define LANE3_MAP_LOGIC_LANE_0 (0x0 << 6)
-#define LANE3_MAP_LOGIC_LANE_1 (0x1 << 6)
-#define LANE3_MAP_LOGIC_LANE_2 (0x2 << 6)
-#define LANE3_MAP_LOGIC_LANE_3 (0x3 << 6)
-#define LANE2_MAP_LOGIC_LANE_0 (0x0 << 4)
-#define LANE2_MAP_LOGIC_LANE_1 (0x1 << 4)
-#define LANE2_MAP_LOGIC_LANE_2 (0x2 << 4)
-#define LANE2_MAP_LOGIC_LANE_3 (0x3 << 4)
-#define LANE1_MAP_LOGIC_LANE_0 (0x0 << 2)
-#define LANE1_MAP_LOGIC_LANE_1 (0x1 << 2)
-#define LANE1_MAP_LOGIC_LANE_2 (0x2 << 2)
-#define LANE1_MAP_LOGIC_LANE_3 (0x3 << 2)
-#define LANE0_MAP_LOGIC_LANE_0 (0x0 << 0)
-#define LANE0_MAP_LOGIC_LANE_1 (0x1 << 0)
-#define LANE0_MAP_LOGIC_LANE_2 (0x2 << 0)
-#define LANE0_MAP_LOGIC_LANE_3 (0x3 << 0)
-
-/* EXYNOS_DP_ANALOG_CTL_1 */
-#define TX_TERMINAL_CTRL_50_OHM (0x1 << 4)
-
-/* EXYNOS_DP_ANALOG_CTL_2 */
-#define SEL_24M (0x1 << 3)
-#define TX_DVDD_BIT_1_0625V (0x4 << 0)
-
-/* EXYNOS_DP_ANALOG_CTL_3 */
-#define DRIVE_DVDD_BIT_1_0625V (0x4 << 5)
-#define VCO_BIT_600_MICRO (0x5 << 0)
-
-/* EXYNOS_DP_PLL_FILTER_CTL_1 */
-#define PD_RING_OSC (0x1 << 6)
-#define AUX_TERMINAL_CTRL_50_OHM (0x2 << 4)
-#define TX_CUR1_2X (0x1 << 2)
-#define TX_CUR_16_MA (0x3 << 0)
-
-/* EXYNOS_DP_TX_AMP_TUNING_CTL */
-#define CH3_AMP_400_MV (0x0 << 24)
-#define CH2_AMP_400_MV (0x0 << 16)
-#define CH1_AMP_400_MV (0x0 << 8)
-#define CH0_AMP_400_MV (0x0 << 0)
-
-/* EXYNOS_DP_AUX_HW_RETRY_CTL */
-#define AUX_BIT_PERIOD_EXPECTED_DELAY(x) (((x) & 0x7) << 8)
-#define AUX_HW_RETRY_INTERVAL_MASK (0x3 << 3)
-#define AUX_HW_RETRY_INTERVAL_600_MICROSECONDS (0x0 << 3)
-#define AUX_HW_RETRY_INTERVAL_800_MICROSECONDS (0x1 << 3)
-#define AUX_HW_RETRY_INTERVAL_1000_MICROSECONDS (0x2 << 3)
-#define AUX_HW_RETRY_INTERVAL_1800_MICROSECONDS (0x3 << 3)
-#define AUX_HW_RETRY_COUNT_SEL(x) (((x) & 0x7) << 0)
-
-/* EXYNOS_DP_COMMON_INT_STA_1 */
-#define VSYNC_DET (0x1 << 7)
-#define PLL_LOCK_CHG (0x1 << 6)
-#define SPDIF_ERR (0x1 << 5)
-#define SPDIF_UNSTBL (0x1 << 4)
-#define VID_FORMAT_CHG (0x1 << 3)
-#define AUD_CLK_CHG (0x1 << 2)
-#define VID_CLK_CHG (0x1 << 1)
-#define SW_INT (0x1 << 0)
-
-/* EXYNOS_DP_COMMON_INT_STA_2 */
-#define ENC_EN_CHG (0x1 << 6)
-#define HW_BKSV_RDY (0x1 << 3)
-#define HW_SHA_DONE (0x1 << 2)
-#define HW_AUTH_STATE_CHG (0x1 << 1)
-#define HW_AUTH_DONE (0x1 << 0)
-
-/* EXYNOS_DP_COMMON_INT_STA_3 */
-#define AFIFO_UNDER (0x1 << 7)
-#define AFIFO_OVER (0x1 << 6)
-#define R0_CHK_FLAG (0x1 << 5)
-
-/* EXYNOS_DP_COMMON_INT_STA_4 */
-#define PSR_ACTIVE (0x1 << 7)
-#define PSR_INACTIVE (0x1 << 6)
-#define SPDIF_BI_PHASE_ERR (0x1 << 5)
-#define HOTPLUG_CHG (0x1 << 2)
-#define HPD_LOST (0x1 << 1)
-#define PLUG (0x1 << 0)
-
-/* EXYNOS_DP_INT_STA */
-#define INT_HPD (0x1 << 6)
-#define HW_TRAINING_FINISH (0x1 << 5)
-#define RPLY_RECEIV (0x1 << 1)
-#define AUX_ERR (0x1 << 0)
-
-/* EXYNOS_DP_INT_CTL */
-#define SOFT_INT_CTRL (0x1 << 2)
-#define INT_POL1 (0x1 << 1)
-#define INT_POL0 (0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_1 */
-#define DET_STA (0x1 << 2)
-#define FORCE_DET (0x1 << 1)
-#define DET_CTRL (0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_2 */
-#define CHA_CRI(x) (((x) & 0xf) << 4)
-#define CHA_STA (0x1 << 2)
-#define FORCE_CHA (0x1 << 1)
-#define CHA_CTRL (0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_3 */
-#define HPD_STATUS (0x1 << 6)
-#define F_HPD (0x1 << 5)
-#define HPD_CTRL (0x1 << 4)
-#define HDCP_RDY (0x1 << 3)
-#define STRM_VALID (0x1 << 2)
-#define F_VALID (0x1 << 1)
-#define VALID_CTRL (0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_4 */
-#define FIX_M_AUD (0x1 << 4)
-#define ENHANCED (0x1 << 3)
-#define FIX_M_VID (0x1 << 2)
-#define M_VID_UPDATE_CTRL (0x3 << 0)
-
-/* EXYNOS_DP_TRAINING_PTN_SET */
-#define SCRAMBLER_TYPE (0x1 << 9)
-#define HW_LINK_TRAINING_PATTERN (0x1 << 8)
-#define SCRAMBLING_DISABLE (0x1 << 5)
-#define SCRAMBLING_ENABLE (0x0 << 5)
-#define LINK_QUAL_PATTERN_SET_MASK (0x3 << 2)
-#define LINK_QUAL_PATTERN_SET_PRBS7 (0x3 << 2)
-#define LINK_QUAL_PATTERN_SET_D10_2 (0x1 << 2)
-#define LINK_QUAL_PATTERN_SET_DISABLE (0x0 << 2)
-#define SW_TRAINING_PATTERN_SET_MASK (0x3 << 0)
-#define SW_TRAINING_PATTERN_SET_PTN2 (0x2 << 0)
-#define SW_TRAINING_PATTERN_SET_PTN1 (0x1 << 0)
-#define SW_TRAINING_PATTERN_SET_NORMAL (0x0 << 0)
-
-/* EXYNOS_DP_LN0_LINK_TRAINING_CTL */
-#define PRE_EMPHASIS_SET_MASK (0x3 << 3)
-#define PRE_EMPHASIS_SET_SHIFT (3)
-
-/* EXYNOS_DP_DEBUG_CTL */
-#define PLL_LOCK (0x1 << 4)
-#define F_PLL_LOCK (0x1 << 3)
-#define PLL_LOCK_CTRL (0x1 << 2)
-#define PN_INV (0x1 << 0)
-
-/* EXYNOS_DP_PLL_CTL */
-#define DP_PLL_PD (0x1 << 7)
-#define DP_PLL_RESET (0x1 << 6)
-#define DP_PLL_LOOP_BIT_DEFAULT (0x1 << 4)
-#define DP_PLL_REF_BIT_1_1250V (0x5 << 0)
-#define DP_PLL_REF_BIT_1_2500V (0x7 << 0)
-
-/* EXYNOS_DP_PHY_PD */
-#define DP_PHY_PD (0x1 << 5)
-#define AUX_PD (0x1 << 4)
-#define CH3_PD (0x1 << 3)
-#define CH2_PD (0x1 << 2)
-#define CH1_PD (0x1 << 1)
-#define CH0_PD (0x1 << 0)
-
-/* EXYNOS_DP_PHY_TEST */
-#define MACRO_RST (0x1 << 5)
-#define CH1_TEST (0x1 << 1)
-#define CH0_TEST (0x1 << 0)
-
-/* EXYNOS_DP_AUX_CH_STA */
-#define AUX_BUSY (0x1 << 4)
-#define AUX_STATUS_MASK (0xf << 0)
-
-/* EXYNOS_DP_AUX_CH_DEFER_CTL */
-#define DEFER_CTRL_EN (0x1 << 7)
-#define DEFER_COUNT(x) (((x) & 0x7f) << 0)
-
-/* EXYNOS_DP_AUX_RX_COMM */
-#define AUX_RX_COMM_I2C_DEFER (0x2 << 2)
-#define AUX_RX_COMM_AUX_DEFER (0x2 << 0)
-
-/* EXYNOS_DP_BUFFER_DATA_CTL */
-#define BUF_CLR (0x1 << 7)
-#define BUF_DATA_COUNT(x) (((x) & 0x1f) << 0)
-
-/* EXYNOS_DP_AUX_CH_CTL_1 */
-#define AUX_LENGTH(x) (((x - 1) & 0xf) << 4)
-#define AUX_TX_COMM_MASK (0xf << 0)
-#define AUX_TX_COMM_DP_TRANSACTION (0x1 << 3)
-#define AUX_TX_COMM_I2C_TRANSACTION (0x0 << 3)
-#define AUX_TX_COMM_MOT (0x1 << 2)
-#define AUX_TX_COMM_WRITE (0x0 << 0)
-#define AUX_TX_COMM_READ (0x1 << 0)
-
-/* EXYNOS_DP_AUX_ADDR_7_0 */
-#define AUX_ADDR_7_0(x) (((x) >> 0) & 0xff)
-
-/* EXYNOS_DP_AUX_ADDR_15_8 */
-#define AUX_ADDR_15_8(x) (((x) >> 8) & 0xff)
-
-/* EXYNOS_DP_AUX_ADDR_19_16 */
-#define AUX_ADDR_19_16(x) (((x) >> 16) & 0x0f)
-
-/* EXYNOS_DP_AUX_CH_CTL_2 */
-#define ADDR_ONLY (0x1 << 1)
-#define AUX_EN (0x1 << 0)
-
-/* EXYNOS_DP_SOC_GENERAL_CTL */
-#define AUDIO_MODE_SPDIF_MODE (0x1 << 8)
-#define AUDIO_MODE_MASTER_MODE (0x0 << 8)
-#define MASTER_VIDEO_INTERLACE_EN (0x1 << 4)
-#define VIDEO_MASTER_CLK_SEL (0x1 << 2)
-#define VIDEO_MASTER_MODE_EN (0x1 << 1)
-#define VIDEO_MODE_MASK (0x1 << 0)
-#define VIDEO_MODE_SLAVE_MODE (0x1 << 0)
-#define VIDEO_MODE_MASTER_MODE (0x0 << 0)
-
-#endif /* _EXYNOS_DP_REG_H */
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 24/34] drm/exynos: Move display implementation into dp
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (22 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 23/34] drm/exynos: Move dp driver from video/ to drm/ Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 25/34] ARM: dts: Move display-timings node from fimd to dp Sean Paul
` (12 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch moves the exynos_drm_display implementation from fimd into
the dp driver. This will allow for tighter integration of the dp driver
into the exynos drm driver.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4:
- Changed _ to - in dts documentation
.../devicetree/bindings/video/exynos_dp.txt | 17 ++++
.../devicetree/bindings/video/samsung-fimd.txt | 2 +
drivers/gpu/drm/exynos/exynos_dp_core.c | 100 +++++++++++++++++----
drivers/gpu/drm/exynos/exynos_dp_core.h | 4 +
drivers/gpu/drm/exynos/exynos_drm_drv.c | 14 +++
drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 +
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 79 +++-------------
7 files changed, 131 insertions(+), 86 deletions(-)
diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt
index 3289d76..57ccdde 100644
--- a/Documentation/devicetree/bindings/video/exynos_dp.txt
+++ b/Documentation/devicetree/bindings/video/exynos_dp.txt
@@ -49,6 +49,8 @@ Required properties for dp-controller:
-samsung,lane-count:
number of lanes supported by the panel.
LANE_COUNT1 = 1, LANE_COUNT2 = 2, LANE_COUNT4 = 4
+ - display-timings: timings for the connected panel as described by
+ Documentation/devicetree/bindings/video/display-timing.txt
Optional properties for dp-controller:
-interlaced:
@@ -84,4 +86,19 @@ Board Specific portion:
samsung,color-depth = <1>;
samsung,link-rate = <0x0a>;
samsung,lane-count = <4>;
+
+ display-timings {
+ native-mode = <&lcd_timing>;
+ lcd_timing: 1366x768 {
+ clock-frequency = <70589280>;
+ hactive = <1366>;
+ vactive = <768>;
+ hfront-porch = <40>;
+ hback-porch = <40>;
+ hsync-len = <32>;
+ vback-porch = <10>;
+ vfront-porch = <12>;
+ vsync-len = <6>;
+ };
+ };
};
diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt b/Documentation/devicetree/bindings/video/samsung-fimd.txt
index 778838a..36b7895 100644
--- a/Documentation/devicetree/bindings/video/samsung-fimd.txt
+++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt
@@ -39,6 +39,8 @@ Required properties:
Optional Properties:
- samsung,power-domain: a phandle to FIMD power domain node.
+- samsung,invert-vden: video enable signal is inverted
+- samsung,invert-vclk: video clock signal is inverted
Example:
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index b3af496..5c26161 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -19,7 +19,12 @@
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/phy/phy.h>
+#include <video/of_display_timing.h>
+#include <video/of_videomode.h>
+#include <drm/drmP.h>
+
+#include "exynos_drm_drv.h"
#include "exynos_dp_core.h"
static int exynos_dp_init_dp(struct exynos_dp_device *dp)
@@ -892,6 +897,35 @@ static void exynos_dp_hotplug(struct work_struct *work)
dev_err(dp->dev, "unable to config video\n");
}
+static bool exynos_dp_display_is_connected(struct exynos_drm_display *display)
+{
+ return true;
+}
+
+static void *exynos_dp_get_panel(struct exynos_drm_display *display)
+{
+ struct exynos_dp_device *dp = display->ctx;
+
+ return &dp->panel;
+}
+
+static int exynos_dp_check_mode(struct exynos_drm_display *display,
+ struct drm_display_mode *mode)
+{
+ return 0;
+}
+
+static struct exynos_drm_display_ops exynos_dp_display_ops = {
+ .is_connected = exynos_dp_display_is_connected,
+ .get_panel = exynos_dp_get_panel,
+ .check_mode = exynos_dp_check_mode,
+};
+
+static struct exynos_drm_display exynos_dp_display = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &exynos_dp_display_ops,
+};
+
static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
{
struct device_node *dp_node = dev->of_node;
@@ -993,6 +1027,19 @@ err:
return ret;
}
+static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
+{
+ int ret;
+
+ ret = of_get_videomode(dp->dev->of_node, &dp->panel.vm,
+ OF_USE_NATIVE_MODE);
+ if (ret) {
+ DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
static void exynos_dp_phy_init(struct exynos_dp_device *dp)
{
if (dp->phy) {
@@ -1019,6 +1066,28 @@ static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
}
}
+void exynos_dp_poweron(struct exynos_dp_device *dp)
+{
+ exynos_dp_phy_init(dp);
+
+ clk_prepare_enable(dp->clock);
+
+ exynos_dp_init_dp(dp);
+
+ enable_irq(dp->irq);
+}
+
+void exynos_dp_poweroff(struct exynos_dp_device *dp)
+{
+ disable_irq(dp->irq);
+
+ flush_work(&dp->hotplug_work);
+
+ exynos_dp_phy_exit(dp);
+
+ clk_disable_unprepare(dp->clock);
+}
+
static int exynos_dp_probe(struct platform_device *pdev)
{
struct resource *res;
@@ -1043,6 +1112,10 @@ static int exynos_dp_probe(struct platform_device *pdev)
if (ret)
return ret;
+ ret = exynos_dp_dt_parse_panel(dp);
+ if (ret)
+ return ret;
+
dp->clock = devm_clk_get(&pdev->dev, "dp");
if (IS_ERR(dp->clock)) {
dev_err(&pdev->dev, "failed to get clock\n");
@@ -1078,6 +1151,9 @@ static int exynos_dp_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dp);
+ exynos_dp_display.ctx = dp;
+ exynos_drm_display_register(&exynos_dp_display);
+
return 0;
}
@@ -1085,6 +1161,8 @@ static int exynos_dp_remove(struct platform_device *pdev)
{
struct exynos_dp_device *dp = platform_get_drvdata(pdev);
+ exynos_drm_display_unregister(&exynos_dp_display);
+
flush_work(&dp->hotplug_work);
exynos_dp_phy_exit(dp);
@@ -1100,14 +1178,7 @@ static int exynos_dp_suspend(struct device *dev)
{
struct exynos_dp_device *dp = dev_get_drvdata(dev);
- disable_irq(dp->irq);
-
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
-
+ exynos_dp_poweroff(dp);
return 0;
}
@@ -1115,14 +1186,7 @@ static int exynos_dp_resume(struct device *dev)
{
struct exynos_dp_device *dp = dev_get_drvdata(dev);
- exynos_dp_phy_init(dp);
-
- clk_prepare_enable(dp->clock);
-
- exynos_dp_init_dp(dp);
-
- enable_irq(dp->irq);
-
+ exynos_dp_poweron(dp);
return 0;
}
#endif
@@ -1137,7 +1201,7 @@ static const struct of_device_id exynos_dp_match[] = {
};
MODULE_DEVICE_TABLE(of, exynos_dp_match);
-static struct platform_driver exynos_dp_driver = {
+struct platform_driver dp_driver = {
.probe = exynos_dp_probe,
.remove = exynos_dp_remove,
.driver = {
@@ -1148,8 +1212,6 @@ static struct platform_driver exynos_dp_driver = {
},
};
-module_platform_driver(exynos_dp_driver);
-
MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
MODULE_DESCRIPTION("Samsung SoC DP Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
index 607e36d..4f14141 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.h
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.h
@@ -13,6 +13,8 @@
#ifndef _EXYNOS_DP_CORE_H
#define _EXYNOS_DP_CORE_H
+#include <drm/exynos_drm.h>
+
#define DP_TIMEOUT_LOOP_COUNT 100
#define MAX_CR_LOOP 5
#define MAX_EQ_LOOP 5
@@ -152,6 +154,8 @@ struct exynos_dp_device {
struct link_train link_train;
struct work_struct hotplug_work;
struct phy *phy;
+
+ struct exynos_drm_panel_info panel;
};
/* exynos_dp_reg.c */
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 6143742..87ac369 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -353,6 +353,12 @@ static int __init exynos_drm_init(void)
{
int ret;
+#ifdef CONFIG_DRM_EXYNOS_DP
+ ret = platform_driver_register(&dp_driver);
+ if (ret < 0)
+ goto out_dp;
+#endif
+
#ifdef CONFIG_DRM_EXYNOS_FIMD
ret = platform_driver_register(&fimd_driver);
if (ret < 0)
@@ -468,6 +474,10 @@ out_hdmi:
platform_driver_unregister(&fimd_driver);
out_fimd:
#endif
+#ifdef CONFIG_DRM_EXYNOS_DP
+ platform_driver_unregister(&dp_driver);
+out_dp:
+#endif
return ret;
}
@@ -510,6 +520,10 @@ static void __exit exynos_drm_exit(void)
#ifdef CONFIG_DRM_EXYNOS_FIMD
platform_driver_unregister(&fimd_driver);
#endif
+
+#ifdef CONFIG_DRM_EXYNOS_DP
+ platform_driver_unregister(&dp_driver);
+#endif
}
module_init(exynos_drm_init);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 81f7de4..09c158a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -370,6 +370,7 @@ int exynos_platform_device_ipp_register(void);
*/
void exynos_platform_device_ipp_unregister(void);
+extern struct platform_driver dp_driver;
extern struct platform_driver fimd_driver;
extern struct platform_driver hdmi_driver;
extern struct platform_driver mixer_driver;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 9419513..6eb0008 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -144,39 +144,6 @@ static inline struct fimd_driver_data *drm_fimd_get_driver_data(
return (struct fimd_driver_data *)of_id->data;
}
-static bool fimd_display_is_connected(struct exynos_drm_display *display)
-{
- /* TODO. */
-
- return true;
-}
-
-static void *fimd_get_panel(struct exynos_drm_display *display)
-{
- struct fimd_context *ctx = display->ctx;
-
- return &ctx->panel;
-}
-
-static int fimd_check_mode(struct exynos_drm_display *display,
- struct drm_display_mode *mode)
-{
- /* TODO. */
-
- return 0;
-}
-
-static struct exynos_drm_display_ops fimd_display_ops = {
- .is_connected = fimd_display_is_connected,
- .get_panel = fimd_get_panel,
- .check_mode = fimd_check_mode,
-};
-
-static struct exynos_drm_display fimd_display = {
- .type = EXYNOS_DISPLAY_TYPE_LCD,
- .ops = &fimd_display_ops,
-};
-
static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
struct drm_device *drm_dev, int pipe)
{
@@ -253,7 +220,7 @@ static void fimd_commit(struct exynos_drm_manager *mgr)
struct fimd_context *ctx = mgr->ctx;
struct drm_display_mode *mode = &ctx->mode;
struct fimd_driver_data *driver_data;
- u32 val, clkdiv;
+ u32 val, clkdiv, vidcon1;
int hblank, vblank, vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd;
driver_data = ctx->driver_data;
@@ -264,8 +231,13 @@ static void fimd_commit(struct exynos_drm_manager *mgr)
if (mode->htotal == 0 || mode->vtotal == 0)
return;
- /* setup polarity values from machine code. */
- writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
+ /* setup polarity values */
+ vidcon1 = ctx->vidcon1;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ vidcon1 |= VIDCON1_INV_VSYNC;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ vidcon1 |= VIDCON1_INV_HSYNC;
+ writel(vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
/* setup vertical timing values. */
vblank = mode->crtc_vblank_end - mode->crtc_vblank_start;
@@ -871,30 +843,6 @@ static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
return 0;
}
-static int fimd_get_platform_data(struct fimd_context *ctx, struct device *dev)
-{
- struct videomode *vm;
- int ret;
-
- vm = &ctx->panel.vm;
- ret = of_get_videomode(dev->of_node, vm, OF_USE_NATIVE_MODE);
- if (ret) {
- DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
- return ret;
- }
-
- if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW)
- ctx->vidcon1 |= VIDCON1_INV_VSYNC;
- if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW)
- ctx->vidcon1 |= VIDCON1_INV_HSYNC;
- if (vm->flags & DISPLAY_FLAGS_DE_LOW)
- ctx->vidcon1 |= VIDCON1_INV_VDEN;
- if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
- ctx->vidcon1 |= VIDCON1_INV_VCLK;
-
- return 0;
-}
-
static int fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -912,9 +860,10 @@ static int fimd_probe(struct platform_device *pdev)
ctx->dev = dev;
- ret = fimd_get_platform_data(ctx, dev);
- if (ret)
- return ret;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vden"))
+ ctx->vidcon1 |= VIDCON1_INV_VDEN;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vclk"))
+ ctx->vidcon1 |= VIDCON1_INV_VCLK;
ctx->bus_clk = devm_clk_get(dev, "fimd");
if (IS_ERR(ctx->bus_clk)) {
@@ -956,9 +905,6 @@ static int fimd_probe(struct platform_device *pdev)
fimd_manager.ctx = ctx;
exynos_drm_manager_register(&fimd_manager);
- fimd_display.ctx = ctx;
- exynos_drm_display_register(&fimd_display);
-
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
@@ -974,7 +920,6 @@ static int fimd_remove(struct platform_device *pdev)
struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
struct fimd_context *ctx = mgr->ctx;
- exynos_drm_display_unregister(&fimd_display);
exynos_drm_manager_unregister(&fimd_manager);
if (ctx->suspended)
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 25/34] ARM: dts: Move display-timings node from fimd to dp
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (23 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 24/34] drm/exynos: Move display implementation into dp Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 26/34] drm/exynos: Implement dpms display callback in DP Sean Paul
` (11 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch moves the display-timings node from fimd to dp to reflect the
device tree bindings change.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2: None
Changes in v3: None
Changes in v4: None
arch/arm/boot/dts/exynos5250-arndale.dts | 7 ++++---
arch/arm/boot/dts/exynos5250-smdk5250.dts | 7 ++++---
arch/arm/boot/dts/exynos5250-snow.dts | 7 ++++---
arch/arm/boot/dts/exynos5420-smdk5420.dts | 7 ++++---
4 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 6845270..8aa8d8c 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -542,10 +542,7 @@
samsung,link-rate = <0x0a>;
samsung,lane-count = <4>;
status = "okay";
- };
- fimd: fimd@14400000 {
- status = "okay";
display-timings {
native-mode = <&timing0>;
timing0: timing@0 {
@@ -563,6 +560,10 @@
};
};
+ fimd: fimd@14400000 {
+ status = "okay";
+ };
+
usb_hub_bus {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index b14985a..460ec90 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -255,10 +255,7 @@
pinctrl-names = "default";
pinctrl-0 = <&dp_hpd>;
status = "okay";
- };
- fimd@14400000 {
- status = "okay";
display-timings {
native-mode = <&timing0>;
timing0: timing@0 {
@@ -276,6 +273,10 @@
};
};
+ fimd@14400000 {
+ status = "okay";
+ };
+
fixed-rate-clocks {
xxti {
compatible = "samsung,clock-xxti";
diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index 8c92df8..b2783d8 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -216,10 +216,7 @@
pinctrl-names = "default";
pinctrl-0 = <&dp_hpd>;
status = "okay";
- };
- fimd: fimd@14400000 {
- status = "okay";
display-timings {
native-mode = <&lcd_timing>;
lcd_timing: 1366x768 {
@@ -236,6 +233,10 @@
};
};
+ fimd: fimd@14400000 {
+ status = "okay";
+ };
+
fixed-rate-clocks {
xxti {
compatible = "samsung,clock-xxti";
diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 79524c7..b477f76 100644
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -41,10 +41,7 @@
samsung,link-rate = <0x0a>;
samsung,lane-count = <4>;
status = "okay";
- };
- fimd@14400000 {
- status = "okay";
display-timings {
native-mode = <&timing0>;
timing0: timing@0 {
@@ -87,4 +84,8 @@
reg = <0x50>;
};
};
+
+ fimd@14400000 {
+ status = "okay";
+ };
};
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 26/34] drm/exynos: Implement dpms display callback in DP
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (24 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 25/34] ARM: dts: Move display-timings node from fimd to dp Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 27/34] drm/exynos: Clean up FIMD power on/off routines Sean Paul
` (10 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements the dpms display callback for the DP driver.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Added to the patchset
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_dp_core.c | 142 ++++++++++++++++++--------------
drivers/gpu/drm/exynos/exynos_dp_core.h | 1 +
2 files changed, 81 insertions(+), 62 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index 5c26161..05ce947 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -915,10 +915,78 @@ static int exynos_dp_check_mode(struct exynos_drm_display *display,
return 0;
}
+static void exynos_dp_phy_init(struct exynos_dp_device *dp)
+{
+ if (dp->phy) {
+ phy_power_on(dp->phy);
+ } else if (dp->phy_addr) {
+ u32 reg;
+
+ reg = __raw_readl(dp->phy_addr);
+ reg |= dp->enable_mask;
+ __raw_writel(reg, dp->phy_addr);
+ }
+}
+
+static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
+{
+ if (dp->phy) {
+ phy_power_off(dp->phy);
+ } else if (dp->phy_addr) {
+ u32 reg;
+
+ reg = __raw_readl(dp->phy_addr);
+ reg &= ~(dp->enable_mask);
+ __raw_writel(reg, dp->phy_addr);
+ }
+}
+
+static void exynos_dp_poweron(struct exynos_dp_device *dp)
+{
+ if (dp->dpms_mode == DRM_MODE_DPMS_ON)
+ return;
+
+ clk_prepare_enable(dp->clock);
+ exynos_dp_phy_init(dp);
+ exynos_dp_init_dp(dp);
+ enable_irq(dp->irq);
+}
+
+static void exynos_dp_poweroff(struct exynos_dp_device *dp)
+{
+ if (dp->dpms_mode != DRM_MODE_DPMS_ON)
+ return;
+
+ disable_irq(dp->irq);
+ flush_work(&dp->hotplug_work);
+ exynos_dp_phy_exit(dp);
+ clk_disable_unprepare(dp->clock);
+}
+
+static void exynos_dp_dpms(struct exynos_drm_display *display, int mode)
+{
+ struct exynos_dp_device *dp = display->ctx;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ exynos_dp_poweron(dp);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ exynos_dp_poweroff(dp);
+ break;
+ default:
+ break;
+ };
+ dp->dpms_mode = mode;
+}
+
static struct exynos_drm_display_ops exynos_dp_display_ops = {
.is_connected = exynos_dp_display_is_connected,
.get_panel = exynos_dp_get_panel,
.check_mode = exynos_dp_check_mode,
+ .dpms = exynos_dp_dpms,
};
static struct exynos_drm_display exynos_dp_display = {
@@ -1040,54 +1108,6 @@ static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
return 0;
}
-static void exynos_dp_phy_init(struct exynos_dp_device *dp)
-{
- if (dp->phy) {
- phy_power_on(dp->phy);
- } else if (dp->phy_addr) {
- u32 reg;
-
- reg = __raw_readl(dp->phy_addr);
- reg |= dp->enable_mask;
- __raw_writel(reg, dp->phy_addr);
- }
-}
-
-static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
-{
- if (dp->phy) {
- phy_power_off(dp->phy);
- } else if (dp->phy_addr) {
- u32 reg;
-
- reg = __raw_readl(dp->phy_addr);
- reg &= ~(dp->enable_mask);
- __raw_writel(reg, dp->phy_addr);
- }
-}
-
-void exynos_dp_poweron(struct exynos_dp_device *dp)
-{
- exynos_dp_phy_init(dp);
-
- clk_prepare_enable(dp->clock);
-
- exynos_dp_init_dp(dp);
-
- enable_irq(dp->irq);
-}
-
-void exynos_dp_poweroff(struct exynos_dp_device *dp)
-{
- disable_irq(dp->irq);
-
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
-}
-
static int exynos_dp_probe(struct platform_device *pdev)
{
struct resource *res;
@@ -1103,6 +1123,7 @@ static int exynos_dp_probe(struct platform_device *pdev)
}
dp->dev = &pdev->dev;
+ dp->dpms_mode = DRM_MODE_DPMS_OFF;
dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev);
if (IS_ERR(dp->video_info))
@@ -1148,10 +1169,11 @@ static int exynos_dp_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to request irq\n");
return ret;
}
-
- platform_set_drvdata(pdev, dp);
+ disable_irq(dp->irq);
exynos_dp_display.ctx = dp;
+
+ platform_set_drvdata(pdev, &exynos_dp_display);
exynos_drm_display_register(&exynos_dp_display);
return 0;
@@ -1159,34 +1181,30 @@ static int exynos_dp_probe(struct platform_device *pdev)
static int exynos_dp_remove(struct platform_device *pdev)
{
- struct exynos_dp_device *dp = platform_get_drvdata(pdev);
+ struct exynos_drm_display *display = platform_get_drvdata(pdev);
+ exynos_dp_dpms(display, DRM_MODE_DPMS_OFF);
exynos_drm_display_unregister(&exynos_dp_display);
- flush_work(&dp->hotplug_work);
-
- exynos_dp_phy_exit(dp);
-
- clk_disable_unprepare(dp->clock);
-
-
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int exynos_dp_suspend(struct device *dev)
{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct exynos_drm_display *display = platform_get_drvdata(pdev);
- exynos_dp_poweroff(dp);
+ exynos_dp_dpms(display, DRM_MODE_DPMS_OFF);
return 0;
}
static int exynos_dp_resume(struct device *dev)
{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct exynos_drm_display *display = platform_get_drvdata(pdev);
- exynos_dp_poweron(dp);
+ exynos_dp_dpms(display, DRM_MODE_DPMS_ON);
return 0;
}
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
index 4f14141..ccaeadc 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.h
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.h
@@ -154,6 +154,7 @@ struct exynos_dp_device {
struct link_train link_train;
struct work_struct hotplug_work;
struct phy *phy;
+ int dpms_mode;
struct exynos_drm_panel_info panel;
};
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 27/34] drm/exynos: Clean up FIMD power on/off routines
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (25 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 26/34] drm/exynos: Implement dpms display callback in DP Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 28/34] drm/exynos: Consolidate suspend/resume in drm_drv Sean Paul
` (9 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch separates the fimd_activate function into poweron/poweroff
functions to be more consistent with the other drivers in exynos drm. It
also properly cleans up after failures in poweron. The functions have
also been shuffled around such that they are all in the same
spot in the file and poweron/poweroff can be called from the dpms function.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Added to the patchset
Changes in v3: None
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 245 +++++++++++++++++--------------
1 file changed, 134 insertions(+), 111 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 6eb0008..1efdcac 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -519,6 +519,12 @@ static void fimd_win_commit(struct exynos_drm_manager *mgr, int zpos)
win_data = &ctx->win_data[win];
+ /* If suspended, enable this on resume */
+ if (ctx->suspended) {
+ win_data->resume = true;
+ return;
+ }
+
/*
* SHADOWCON/PRTCON register is used for enabling timing.
*
@@ -660,6 +666,129 @@ static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos)
win_data->enabled = false;
}
+static void fimd_clear_win(struct fimd_context *ctx, int win)
+{
+ writel(0, ctx->regs + WINCON(win));
+ writel(0, ctx->regs + VIDOSD_A(win));
+ writel(0, ctx->regs + VIDOSD_B(win));
+ writel(0, ctx->regs + VIDOSD_C(win));
+
+ if (win == 1 || win == 2)
+ writel(0, ctx->regs + VIDOSD_D(win));
+
+ fimd_shadow_protect_win(ctx, win, false);
+}
+
+static void fimd_window_suspend(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
+
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ win_data->resume = win_data->enabled;
+ if (win_data->enabled)
+ fimd_win_disable(mgr, i);
+ }
+ fimd_wait_for_vblank(mgr);
+}
+
+static void fimd_window_resume(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
+
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ win_data->enabled = win_data->resume;
+ win_data->resume = false;
+ }
+}
+
+static void fimd_apply(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ struct fimd_win_data *win_data;
+ int i;
+
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ if (win_data->enabled)
+ fimd_win_commit(mgr, i);
+ }
+
+ fimd_commit(mgr);
+}
+
+static int fimd_poweron(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ int ret;
+
+ if (!ctx->suspended)
+ return 0;
+
+ ctx->suspended = false;
+
+ ret = clk_prepare_enable(ctx->bus_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret);
+ goto bus_clk_err;
+ }
+
+ ret = clk_prepare_enable(ctx->lcd_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the lcd clk [%d]\n", ret);
+ goto lcd_clk_err;
+ }
+
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags)) {
+ ret = fimd_enable_vblank(mgr);
+ if (ret) {
+ DRM_ERROR("Failed to re-enable vblank [%d]\n", ret);
+ goto enable_vblank_err;
+ }
+ }
+
+ fimd_window_resume(mgr);
+
+ fimd_apply(mgr);
+
+ return 0;
+
+enable_vblank_err:
+ clk_disable_unprepare(ctx->lcd_clk);
+lcd_clk_err:
+ clk_disable_unprepare(ctx->bus_clk);
+bus_clk_err:
+ ctx->suspended = true;
+ return ret;
+}
+
+static int fimd_poweroff(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+
+ if (ctx->suspended)
+ return 0;
+
+ /*
+ * We need to make sure that all windows are disabled before we
+ * suspend that connector. Otherwise we might try to scan from
+ * a destroyed buffer later.
+ */
+ fimd_window_suspend(mgr);
+
+ clk_disable_unprepare(ctx->lcd_clk);
+ clk_disable_unprepare(ctx->bus_clk);
+
+ ctx->suspended = true;
+ return 0;
+}
+
static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
{
struct fimd_context *ctx = mgr->ctx;
@@ -736,113 +865,6 @@ out:
return IRQ_HANDLED;
}
-static void fimd_clear_win(struct fimd_context *ctx, int win)
-{
- writel(0, ctx->regs + WINCON(win));
- writel(0, ctx->regs + VIDOSD_A(win));
- writel(0, ctx->regs + VIDOSD_B(win));
- writel(0, ctx->regs + VIDOSD_C(win));
-
- if (win == 1 || win == 2)
- writel(0, ctx->regs + VIDOSD_D(win));
-
- fimd_shadow_protect_win(ctx, win, false);
-}
-
-static int fimd_clock(struct fimd_context *ctx, bool enable)
-{
- if (enable) {
- int ret;
-
- ret = clk_prepare_enable(ctx->bus_clk);
- if (ret < 0)
- return ret;
-
- ret = clk_prepare_enable(ctx->lcd_clk);
- if (ret < 0) {
- clk_disable_unprepare(ctx->bus_clk);
- return ret;
- }
- } else {
- clk_disable_unprepare(ctx->lcd_clk);
- clk_disable_unprepare(ctx->bus_clk);
- }
-
- return 0;
-}
-
-static void fimd_window_suspend(struct exynos_drm_manager *mgr)
-{
- struct fimd_context *ctx = mgr->ctx;
- struct fimd_win_data *win_data;
- int i;
-
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- win_data->resume = win_data->enabled;
- fimd_win_disable(mgr, i);
- }
- fimd_wait_for_vblank(mgr);
-}
-
-static void fimd_window_resume(struct exynos_drm_manager *mgr)
-{
- struct fimd_context *ctx = mgr->ctx;
- struct fimd_win_data *win_data;
- int i;
-
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- win_data->enabled = win_data->resume;
- win_data->resume = false;
- }
-}
-
-static void fimd_apply(struct exynos_drm_manager *mgr)
-{
- struct fimd_context *ctx = mgr->ctx;
- struct fimd_win_data *win_data;
- int i;
-
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled)
- fimd_win_commit(mgr, i);
- }
-
- fimd_commit(mgr);
-}
-
-static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
-{
- struct fimd_context *ctx = mgr->ctx;
-
- if (enable) {
- int ret;
-
- ret = fimd_clock(ctx, true);
- if (ret < 0)
- return ret;
-
- ctx->suspended = false;
-
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(mgr);
-
- fimd_window_resume(mgr);
-
- fimd_apply(mgr);
- } else {
- fimd_window_suspend(mgr);
-
- fimd_clock(ctx, false);
- ctx->suspended = true;
- }
-
- return 0;
-}
-
static int fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -859,6 +881,7 @@ static int fimd_probe(struct platform_device *pdev)
return -ENOMEM;
ctx->dev = dev;
+ ctx->suspended = true;
if (of_property_read_bool(dev->of_node, "samsung,invert-vden"))
ctx->vidcon1 |= VIDCON1_INV_VDEN;
@@ -945,7 +968,7 @@ static int fimd_suspend(struct device *dev)
* because the usage_count of pm runtime is more than 1.
*/
if (!pm_runtime_suspended(dev))
- return fimd_activate(mgr, false);
+ return fimd_poweroff(mgr);
return 0;
}
@@ -962,7 +985,7 @@ static int fimd_resume(struct device *dev)
if (pm_runtime_suspended(dev))
return 0;
- return fimd_activate(mgr, true);
+ return fimd_poweron(mgr);
}
#endif
@@ -971,14 +994,14 @@ static int fimd_runtime_suspend(struct device *dev)
{
struct exynos_drm_manager *mgr = get_fimd_manager(dev);
- return fimd_activate(mgr, false);
+ return fimd_poweroff(mgr);
}
static int fimd_runtime_resume(struct device *dev)
{
struct exynos_drm_manager *mgr = get_fimd_manager(dev);
- return fimd_activate(mgr, true);
+ return fimd_poweron(mgr);
}
#endif
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 28/34] drm/exynos: Consolidate suspend/resume in drm_drv
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (26 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 27/34] drm/exynos: Clean up FIMD power on/off routines Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 29/34] drm/exynos: Add create_connector callback Sean Paul
` (8 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch removes all of the suspend/resume logic from the individual
drivers and consolidates it in drm_drv. This consolidation reduces the
number of functions which enable/disable the hardware to just one -- the
dpms callback. This ensures that we always power up/down in a consistent
manner.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v2:
- Added to the patchset
Changes in v3:
- Made appropriate changes to vidi as well (removed pm_ops)
Changes in v4:
- Added pm_runtime_get/put back into the dpms handlers for hdmi
drivers/gpu/drm/exynos/exynos_drm_drv.c | 97 +++++++++++++++++++++++++
drivers/gpu/drm/exynos/exynos_drm_fimd.c | 86 +++-------------------
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 119 +++++++++++++------------------
drivers/gpu/drm/exynos/exynos_hdmi.c | 88 +++--------------------
drivers/gpu/drm/exynos/exynos_mixer.c | 68 ++----------------
5 files changed, 170 insertions(+), 288 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 87ac369..c8869de 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -11,6 +11,7 @@
* option) any later version.
*/
+#include <linux/pm_runtime.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
@@ -53,6 +54,7 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
return -ENOMEM;
INIT_LIST_HEAD(&private->pageflip_event_list);
+ dev_set_drvdata(dev->dev, dev);
dev->dev_private = (void *)private;
/*
@@ -163,6 +165,41 @@ static const struct file_operations exynos_drm_gem_fops = {
.mmap = exynos_drm_gem_mmap_buffer,
};
+static int exynos_drm_suspend(struct drm_device *dev, pm_message_t state)
+{
+ struct drm_connector *connector;
+
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ int old_dpms = connector->dpms;
+
+ if (connector->funcs->dpms)
+ connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);
+
+ /* Set the old mode back to the connector for resume */
+ connector->dpms = old_dpms;
+ }
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
+static int exynos_drm_resume(struct drm_device *dev)
+{
+ struct drm_connector *connector;
+
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ if (connector->funcs->dpms)
+ connector->funcs->dpms(connector, connector->dpms);
+ }
+
+ drm_helper_resume_force_mode(dev);
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
{
struct drm_exynos_file_private *file_priv;
@@ -296,6 +333,8 @@ static struct drm_driver exynos_drm_driver = {
DRIVER_GEM | DRIVER_PRIME,
.load = exynos_drm_load,
.unload = exynos_drm_unload,
+ .suspend = exynos_drm_suspend,
+ .resume = exynos_drm_resume,
.open = exynos_drm_open,
.preclose = exynos_drm_preclose,
.lastclose = exynos_drm_lastclose,
@@ -330,6 +369,9 @@ static int exynos_drm_platform_probe(struct platform_device *pdev)
if (ret)
return ret;
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
+
return drm_platform_init(&exynos_drm_driver, pdev);
}
@@ -340,12 +382,67 @@ static int exynos_drm_platform_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int exynos_drm_sys_suspend(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ pm_message_t message;
+
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ message.event = PM_EVENT_SUSPEND;
+ return exynos_drm_suspend(drm_dev, message);
+}
+
+static int exynos_drm_sys_resume(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ return exynos_drm_resume(drm_dev);
+}
+#endif
+
+#ifdef CONFIG_PM_RUNTIME
+static int exynos_drm_runtime_suspend(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ pm_message_t message;
+
+ if (pm_runtime_suspended(dev))
+ return 0;
+
+ message.event = PM_EVENT_SUSPEND;
+ return exynos_drm_suspend(drm_dev, message);
+}
+
+static int exynos_drm_runtime_resume(struct device *dev)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+
+ if (!pm_runtime_suspended(dev))
+ return 0;
+
+ return exynos_drm_resume(drm_dev);
+}
+#endif
+
+static const struct dev_pm_ops exynos_drm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend, exynos_drm_sys_resume)
+ SET_RUNTIME_PM_OPS(exynos_drm_runtime_suspend,
+ exynos_drm_runtime_resume, NULL)
+};
+
static struct platform_driver exynos_drm_platform_driver = {
.probe = exynos_drm_platform_probe,
.remove = exynos_drm_platform_remove,
.driver = {
.owner = THIS_MODULE,
.name = "exynos-drm",
+ .pm = &exynos_drm_pm_ops,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 1efdcac..f78fbf4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -732,6 +732,8 @@ static int fimd_poweron(struct exynos_drm_manager *mgr)
ctx->suspended = false;
+ pm_runtime_get_sync(ctx->dev);
+
ret = clk_prepare_enable(ctx->bus_clk);
if (ret < 0) {
DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret);
@@ -785,32 +787,24 @@ static int fimd_poweroff(struct exynos_drm_manager *mgr)
clk_disable_unprepare(ctx->lcd_clk);
clk_disable_unprepare(ctx->bus_clk);
+ pm_runtime_put_sync(ctx->dev);
+
ctx->suspended = true;
return 0;
}
static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct fimd_context *ctx = mgr->ctx;
-
- DRM_DEBUG_KMS("%d\n", mode);
+ DRM_DEBUG_KMS("%s, %d\n", __FILE__, mode);
switch (mode) {
case DRM_MODE_DPMS_ON:
- /*
- * enable fimd hardware only if suspended status.
- *
- * P.S. fimd_dpms function would be called at booting time so
- * clk_enable could be called double time.
- */
- if (ctx->suspended)
- pm_runtime_get_sync(ctx->dev);
+ fimd_poweron(mgr);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- if (!ctx->suspended)
- pm_runtime_put_sync(ctx->dev);
+ fimd_poweroff(mgr);
break;
default:
DRM_DEBUG_KMS("unspecified mode %d\n", mode);
@@ -929,7 +923,6 @@ static int fimd_probe(struct platform_device *pdev)
exynos_drm_manager_register(&fimd_manager);
pm_runtime_enable(dev);
- pm_runtime_get_sync(dev);
for (win = 0; win < WINDOWS_NR; win++)
fimd_clear_win(ctx, win);
@@ -939,84 +932,23 @@ static int fimd_probe(struct platform_device *pdev)
static int fimd_remove(struct platform_device *pdev)
{
- struct device *dev = &pdev->dev;
struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
- struct fimd_context *ctx = mgr->ctx;
exynos_drm_manager_unregister(&fimd_manager);
- if (ctx->suspended)
- goto out;
-
- pm_runtime_set_suspended(dev);
- pm_runtime_put_sync(dev);
+ fimd_dpms(mgr, DRM_MODE_DPMS_OFF);
-out:
- pm_runtime_disable(dev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int fimd_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- /*
- * do not use pm_runtime_suspend(). if pm_runtime_suspend() is
- * called here, an error would be returned by that interface
- * because the usage_count of pm runtime is more than 1.
- */
- if (!pm_runtime_suspended(dev))
- return fimd_poweroff(mgr);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
-static int fimd_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- /*
- * if entered to sleep when lcd panel was on, the usage_count
- * of pm runtime would still be 1 so in this case, fimd driver
- * should be on directly not drawing on pm runtime interface.
- */
- if (pm_runtime_suspended(dev))
- return 0;
-
- return fimd_poweron(mgr);
-}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int fimd_runtime_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- return fimd_poweroff(mgr);
-}
-
-static int fimd_runtime_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- return fimd_poweron(mgr);
-}
-#endif
-
-static const struct dev_pm_ops fimd_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume)
- SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL)
-};
-
struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = fimd_remove,
.driver = {
.name = "exynos4-fb",
.owner = THIS_MODULE,
- .pm = &fimd_pm_ops,
.of_match_table = fimd_driver_dt_match,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index f6f4438..5d0b5cd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -140,31 +140,6 @@ static struct exynos_drm_display vidi_display = {
.ops = &vidi_display_ops,
};
-static void vidi_dpms(struct exynos_drm_manager *mgr, int mode)
-{
- struct vidi_context *ctx = mgr->ctx;
-
- DRM_DEBUG_KMS("%d\n", mode);
-
- mutex_lock(&ctx->lock);
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /* TODO. */
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- /* TODO. */
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
-
- mutex_unlock(&ctx->lock);
-}
-
static void vidi_apply(struct exynos_drm_manager *mgr)
{
struct vidi_context *ctx = mgr->ctx;
@@ -319,6 +294,55 @@ static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
/* TODO. */
}
+static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable)
+{
+ struct vidi_context *ctx = mgr->ctx;
+
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ if (enable != false && enable != true)
+ return -EINVAL;
+
+ if (enable) {
+ ctx->suspended = false;
+
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags))
+ vidi_enable_vblank(mgr);
+
+ vidi_apply(mgr);
+ } else {
+ ctx->suspended = true;
+ }
+
+ return 0;
+}
+
+static void vidi_dpms(struct exynos_drm_manager *mgr, int mode)
+{
+ struct vidi_context *ctx = mgr->ctx;
+
+ DRM_DEBUG_KMS("%d\n", mode);
+
+ mutex_lock(&ctx->lock);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ vidi_power_on(mgr, true);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ vidi_power_on(mgr, false);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
+ }
+
+ mutex_unlock(&ctx->lock);
+}
+
static int vidi_mgr_initialize(struct exynos_drm_manager *mgr,
struct drm_device *drm_dev, int pipe)
{
@@ -390,30 +414,6 @@ static void vidi_fake_vblank_handler(struct work_struct *work)
exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe);
}
-static int vidi_power_on(struct exynos_drm_manager *mgr, bool enable)
-{
- struct vidi_context *ctx = mgr->ctx;
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- if (enable != false && enable != true)
- return -EINVAL;
-
- if (enable) {
- ctx->suspended = false;
-
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- vidi_enable_vblank(mgr);
-
- vidi_apply(mgr);
- } else {
- ctx->suspended = true;
- }
-
- return 0;
-}
-
static int vidi_show_connection(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -578,32 +578,11 @@ static int vidi_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int vidi_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
-
- return vidi_power_on(mgr, false);
-}
-
-static int vidi_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_vidi_mgr(dev);
-
- return vidi_power_on(mgr, true);
-}
-#endif
-
-static const struct dev_pm_ops vidi_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(vidi_suspend, vidi_resume)
-};
-
struct platform_driver vidi_driver = {
.probe = vidi_probe,
.remove = vidi_remove,
.driver = {
.name = "exynos-drm-vidi",
.owner = THIS_MODULE,
- .pm = &vidi_pm_ops,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 3faea8f..3313743 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1737,6 +1737,8 @@ static void hdmi_poweron(struct exynos_drm_display *display)
mutex_unlock(&hdata->hdmi_mutex);
+ pm_runtime_get_sync(hdata->dev);
+
if (regulator_bulk_enable(res->regul_count, res->regul_bulk))
DRM_DEBUG_KMS("failed to enable regulator bulk\n");
@@ -1770,8 +1772,9 @@ static void hdmi_poweroff(struct exynos_drm_display *display)
clk_disable_unprepare(res->hdmiphy);
regulator_bulk_disable(res->regul_count, res->regul_bulk);
- mutex_lock(&hdata->hdmi_mutex);
+ pm_runtime_put_sync(hdata->dev);
+ mutex_lock(&hdata->hdmi_mutex);
hdata->powered = false;
out:
@@ -1780,20 +1783,16 @@ out:
static void hdmi_dpms(struct exynos_drm_display *display, int mode)
{
- struct hdmi_context *hdata = display->ctx;
-
DRM_DEBUG_KMS("mode %d\n", mode);
switch (mode) {
case DRM_MODE_DPMS_ON:
- if (pm_runtime_suspended(hdata->dev))
- pm_runtime_get_sync(hdata->dev);
+ hdmi_poweron(display);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- if (!pm_runtime_suspended(hdata->dev))
- pm_runtime_put_sync(hdata->dev);
+ hdmi_poweroff(display);
break;
default:
DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
@@ -2033,11 +2032,11 @@ static int hdmi_probe(struct platform_device *pdev)
goto err_hdmiphy;
}
+ pm_runtime_enable(dev);
+
hdmi_display.ctx = hdata;
exynos_drm_display_register(&hdmi_display);
- pm_runtime_enable(dev);
-
return 0;
err_hdmiphy:
@@ -2053,88 +2052,19 @@ static int hdmi_remove(struct platform_device *pdev)
struct exynos_drm_display *display = get_hdmi_display(dev);
struct hdmi_context *hdata = display->ctx;
- pm_runtime_disable(dev);
-
put_device(&hdata->hdmiphy_port->dev);
put_device(&hdata->ddc_port->dev);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int hdmi_suspend(struct device *dev)
-{
- struct exynos_drm_display *display = get_hdmi_display(dev);
- struct hdmi_context *hdata = display->ctx;
-
- disable_irq(hdata->irq);
-
- hdata->hpd = false;
- if (hdata->drm_dev)
- drm_helper_hpd_irq_event(hdata->drm_dev);
-
- if (pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already suspended\n");
- return 0;
- }
-
- hdmi_poweroff(display);
-
- return 0;
-}
-
-static int hdmi_resume(struct device *dev)
-{
- struct exynos_drm_display *display = get_hdmi_display(dev);
- struct hdmi_context *hdata = display->ctx;
-
- hdata->hpd = gpio_get_value(hdata->hpd_gpio);
-
- enable_irq(hdata->irq);
-
- if (!pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already resumed\n");
- return 0;
- }
-
- hdmi_poweron(display);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int hdmi_runtime_suspend(struct device *dev)
-{
- struct exynos_drm_display *display = get_hdmi_display(dev);
-
- hdmi_poweroff(display);
-
- return 0;
-}
-
-static int hdmi_runtime_resume(struct device *dev)
-{
- struct exynos_drm_display *display = get_hdmi_display(dev);
-
- hdmi_poweron(display);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops hdmi_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(hdmi_suspend, hdmi_resume)
- SET_RUNTIME_PM_OPS(hdmi_runtime_suspend, hdmi_runtime_resume, NULL)
-};
-
struct platform_driver hdmi_driver = {
.probe = hdmi_probe,
.remove = hdmi_remove,
.driver = {
.name = "exynos-hdmi",
.owner = THIS_MODULE,
- .pm = &hdmi_pm_ops,
.of_match_table = hdmi_match_types,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index d522857..ce28881 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1061,6 +1061,8 @@ static void mixer_poweron(struct exynos_drm_manager *mgr)
ctx->powered = true;
mutex_unlock(&ctx->mixer_mutex);
+ pm_runtime_get_sync(ctx->dev);
+
clk_prepare_enable(res->mixer);
if (ctx->vp_enabled) {
clk_prepare_enable(res->vp);
@@ -1093,6 +1095,8 @@ static void mixer_poweroff(struct exynos_drm_manager *mgr)
clk_disable_unprepare(res->sclk_mixer);
}
+ pm_runtime_put_sync(ctx->dev);
+
mutex_lock(&ctx->mixer_mutex);
ctx->powered = false;
@@ -1102,18 +1106,14 @@ out:
static void mixer_dpms(struct exynos_drm_manager *mgr, int mode)
{
- struct mixer_context *mixer_ctx = mgr->ctx;
-
switch (mode) {
case DRM_MODE_DPMS_ON:
- if (pm_runtime_suspended(mixer_ctx->dev))
- pm_runtime_get_sync(mixer_ctx->dev);
+ mixer_poweron(mgr);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- if (!pm_runtime_suspended(mixer_ctx->dev))
- pm_runtime_put_sync(mixer_ctx->dev);
+ mixer_poweroff(mgr);
break;
default:
DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
@@ -1250,66 +1250,10 @@ static int mixer_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int mixer_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_mixer_manager(dev);
-
- if (pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already suspended\n");
- return 0;
- }
-
- mixer_poweroff(mgr);
-
- return 0;
-}
-
-static int mixer_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_mixer_manager(dev);
-
- if (!pm_runtime_suspended(dev)) {
- DRM_DEBUG_KMS("Already resumed\n");
- return 0;
- }
-
- mixer_poweron(mgr);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int mixer_runtime_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_mixer_manager(dev);
-
- mixer_poweroff(mgr);
-
- return 0;
-}
-
-static int mixer_runtime_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_mixer_manager(dev);
-
- mixer_poweron(mgr);
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops mixer_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(mixer_suspend, mixer_resume)
- SET_RUNTIME_PM_OPS(mixer_runtime_suspend, mixer_runtime_resume, NULL)
-};
-
struct platform_driver mixer_driver = {
.driver = {
.name = "exynos-mixer",
.owner = THIS_MODULE,
- .pm = &mixer_pm_ops,
.of_match_table = mixer_match_types,
},
.probe = mixer_probe,
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 29/34] drm/exynos: Add create_connector callback
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (27 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 28/34] drm/exynos: Consolidate suspend/resume in drm_drv Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 30/34] drm/exynos: Implement drm_connector in hdmi directly Sean Paul
` (7 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This creates a new display hook called create_connector. The purpose is
to allow the display driver to create its own drm_connector instead of
using the exynos_drm_connector. This moves things closer to completely
removing the exynos_drm_connector abstraction.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_core.c | 3 +++
drivers/gpu/drm/exynos/exynos_drm_drv.h | 2 ++
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index e76098d..1a60f5a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -87,6 +87,9 @@ static int exynos_drm_create_enc_conn(struct drm_device *dev,
return 0;
}
+ if (display->ops->create_connector)
+ return display->ops->create_connector(display, encoder);
+
/*
* create and initialize a connector for this sub driver and
* attach the encoder created above to the connector.
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 09c158a..b1b02d0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -139,6 +139,8 @@ struct exynos_drm_display;
struct exynos_drm_display_ops {
int (*initialize)(struct exynos_drm_display *display,
struct drm_device *drm_dev);
+ int (*create_connector)(struct exynos_drm_display *display,
+ struct drm_encoder *encoder);
void (*remove)(struct exynos_drm_display *display);
bool (*is_connected)(struct exynos_drm_display *display);
void (*get_max_resol)(struct exynos_drm_display *display,
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 30/34] drm/exynos: Implement drm_connector in hdmi directly
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (28 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 29/34] drm/exynos: Add create_connector callback Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 31/34] drm/exynos: Implement drm_connector directly in dp driver Sean Paul
` (6 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements drm_connector in the hdmi driver directly, instead
of using exynos_drm_connector.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
drivers/gpu/drm/exynos/exynos_hdmi.c | 126 +++++++++++++++++++++++------------
1 file changed, 85 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 3313743..925b2a2 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -44,9 +44,8 @@
#include <linux/gpio.h>
#include <media/s5p_hdmi.h>
-#define MAX_WIDTH 1920
-#define MAX_HEIGHT 1080
#define get_hdmi_display(dev) platform_get_drvdata(to_platform_device(dev))
+#define ctx_from_connector(c) container_of(c, struct hdmi_context, connector)
/* AVI header and aspect ratio */
#define HDMI_AVI_VERSION 0x02
@@ -182,6 +181,8 @@ struct hdmi_conf_regs {
struct hdmi_context {
struct device *dev;
struct drm_device *drm_dev;
+ struct drm_connector connector;
+ struct drm_encoder *encoder;
bool hpd;
bool powered;
bool dvi_mode;
@@ -740,42 +741,46 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata,
}
}
-static int hdmi_initialize(struct exynos_drm_display *display,
- struct drm_device *drm_dev)
+static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
+ bool force)
{
- struct hdmi_context *hdata = display->ctx;
+ struct hdmi_context *hdata = ctx_from_connector(connector);
- hdata->drm_dev = drm_dev;
-
- return 0;
+ return hdata->hpd ? connector_status_connected :
+ connector_status_disconnected;
}
-static bool hdmi_is_connected(struct exynos_drm_display *display)
+static void hdmi_connector_destroy(struct drm_connector *connector)
{
- struct hdmi_context *hdata = display->ctx;
-
- return hdata->hpd;
}
-static struct edid *hdmi_get_edid(struct exynos_drm_display *display,
- struct drm_connector *connector)
+static struct drm_connector_funcs hdmi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = hdmi_detect,
+ .destroy = hdmi_connector_destroy,
+};
+
+static int hdmi_get_modes(struct drm_connector *connector)
{
- struct edid *raw_edid;
- struct hdmi_context *hdata = display->ctx;
+ struct hdmi_context *hdata = ctx_from_connector(connector);
+ struct edid *edid;
if (!hdata->ddc_port)
- return ERR_PTR(-ENODEV);
+ return -ENODEV;
- raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter);
- if (!raw_edid)
- return ERR_PTR(-ENODEV);
+ edid = drm_get_edid(connector, hdata->ddc_port->adapter);
+ if (!edid)
+ return -ENODEV;
- hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
+ hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
(hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
- raw_edid->width_cm, raw_edid->height_cm);
+ edid->width_cm, edid->height_cm);
+
+ drm_mode_connector_update_edid_property(connector, edid);
- return raw_edid;
+ return drm_add_edid_modes(connector, edid);
}
static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
@@ -800,10 +805,10 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
return -EINVAL;
}
-static int hdmi_check_mode(struct exynos_drm_display *display,
+static int hdmi_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- struct hdmi_context *hdata = display->ctx;
+ struct hdmi_context *hdata = ctx_from_connector(connector);
int ret;
DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
@@ -813,11 +818,60 @@ static int hdmi_check_mode(struct exynos_drm_display *display,
ret = mixer_check_mode(mode);
if (ret)
- return ret;
+ return MODE_BAD;
ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
if (ret < 0)
+ return MODE_BAD;
+
+ return MODE_OK;
+}
+
+static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector)
+{
+ struct hdmi_context *hdata = ctx_from_connector(connector);
+
+ return hdata->encoder;
+}
+
+static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
+ .get_modes = hdmi_get_modes,
+ .mode_valid = hdmi_mode_valid,
+ .best_encoder = hdmi_best_encoder,
+};
+
+static int hdmi_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct hdmi_context *hdata = display->ctx;
+ struct drm_connector *connector = &hdata->connector;
+ int ret;
+
+ hdata->encoder = encoder;
+ connector->interlace_allowed = true;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(hdata->drm_dev, connector,
+ &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
return ret;
+ }
+
+ drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+static int hdmi_initialize(struct exynos_drm_display *display,
+ struct drm_device *drm_dev)
+{
+ struct hdmi_context *hdata = display->ctx;
+
+ hdata->drm_dev = drm_dev;
+
return 0;
}
@@ -833,10 +887,10 @@ static void hdmi_mode_fixup(struct exynos_drm_display *display,
drm_mode_set_crtcinfo(adjusted_mode, 0);
- mode_ok = hdmi_check_mode(display, adjusted_mode);
+ mode_ok = hdmi_mode_valid(connector, adjusted_mode);
/* just return if user desired mode exists. */
- if (mode_ok == 0)
+ if (mode_ok == MODE_OK)
return;
/*
@@ -844,9 +898,9 @@ static void hdmi_mode_fixup(struct exynos_drm_display *display,
* to adjusted_mode.
*/
list_for_each_entry(m, &connector->modes, head) {
- mode_ok = hdmi_check_mode(display, m);
+ mode_ok = hdmi_mode_valid(connector, m);
- if (mode_ok == 0) {
+ if (mode_ok == MODE_OK) {
DRM_INFO("desired mode doesn't exist so\n");
DRM_INFO("use the most suitable mode among modes.\n");
@@ -1701,13 +1755,6 @@ static void hdmi_mode_set(struct exynos_drm_display *display,
hdmi_v14_mode_set(hdata, mode);
}
-static void hdmi_get_max_resol(struct exynos_drm_display *display,
- unsigned int *width, unsigned int *height)
-{
- *width = MAX_WIDTH;
- *height = MAX_HEIGHT;
-}
-
static void hdmi_commit(struct exynos_drm_display *display)
{
struct hdmi_context *hdata = display->ctx;
@@ -1802,10 +1849,7 @@ static void hdmi_dpms(struct exynos_drm_display *display, int mode)
static struct exynos_drm_display_ops hdmi_display_ops = {
.initialize = hdmi_initialize,
- .is_connected = hdmi_is_connected,
- .get_max_resol = hdmi_get_max_resol,
- .get_edid = hdmi_get_edid,
- .check_mode = hdmi_check_mode,
+ .create_connector = hdmi_create_connector,
.mode_fixup = hdmi_mode_fixup,
.mode_set = hdmi_mode_set,
.dpms = hdmi_dpms,
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 31/34] drm/exynos: Implement drm_connector directly in dp driver
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (29 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 30/34] drm/exynos: Implement drm_connector in hdmi directly Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 32/34] drm/exynos: Implement drm_connector directly in vidi driver Sean Paul
` (5 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements drm_connector directly in the dp driver, this will
allow us to move away from the exynos_drm_connector layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
drivers/gpu/drm/exynos/exynos_dp_core.c | 99 ++++++++++++++++++++++++++++++---
drivers/gpu/drm/exynos/exynos_dp_core.h | 4 ++
2 files changed, 94 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index 05ce947..af2c9d2 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -23,10 +23,15 @@
#include <video/of_videomode.h>
#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
#include "exynos_drm_drv.h"
#include "exynos_dp_core.h"
+#define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
+ connector)
+
static int exynos_dp_init_dp(struct exynos_dp_device *dp)
{
exynos_dp_reset(dp);
@@ -897,21 +902,98 @@ static void exynos_dp_hotplug(struct work_struct *work)
dev_err(dp->dev, "unable to config video\n");
}
-static bool exynos_dp_display_is_connected(struct exynos_drm_display *display)
+static enum drm_connector_status exynos_dp_detect(
+ struct drm_connector *connector, bool force)
{
- return true;
+ return connector_status_connected;
}
-static void *exynos_dp_get_panel(struct exynos_drm_display *display)
+static void exynos_dp_connector_destroy(struct drm_connector *connector)
{
- struct exynos_dp_device *dp = display->ctx;
+}
+
+static struct drm_connector_funcs exynos_dp_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = exynos_dp_detect,
+ .destroy = exynos_dp_connector_destroy,
+};
+
+static int exynos_dp_get_modes(struct drm_connector *connector)
+{
+ struct exynos_dp_device *dp = ctx_from_connector(connector);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_ERROR("failed to create a new display mode.\n");
+ return 0;
+ }
- return &dp->panel;
+ drm_display_mode_from_videomode(&dp->panel.vm, mode);
+ mode->width_mm = dp->panel.width_mm;
+ mode->height_mm = dp->panel.height_mm;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
}
-static int exynos_dp_check_mode(struct exynos_drm_display *display,
+static int exynos_dp_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ return MODE_OK;
+}
+
+static struct drm_encoder *exynos_dp_best_encoder(
+ struct drm_connector *connector)
+{
+ struct exynos_dp_device *dp = ctx_from_connector(connector);
+
+ return dp->encoder;
+}
+
+static struct drm_connector_helper_funcs exynos_dp_connector_helper_funcs = {
+ .get_modes = exynos_dp_get_modes,
+ .mode_valid = exynos_dp_mode_valid,
+ .best_encoder = exynos_dp_best_encoder,
+};
+
+static int exynos_dp_initialize(struct exynos_drm_display *display,
+ struct drm_device *drm_dev)
+{
+ struct exynos_dp_device *dp = display->ctx;
+
+ dp->drm_dev = drm_dev;
+
+ return 0;
+}
+
+static int exynos_dp_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct exynos_dp_device *dp = display->ctx;
+ struct drm_connector *connector = &dp->connector;
+ int ret;
+
+ dp->encoder = encoder;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(dp->drm_dev, connector,
+ &exynos_dp_connector_funcs, DRM_MODE_CONNECTOR_eDP);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &exynos_dp_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
return 0;
}
@@ -983,9 +1065,8 @@ static void exynos_dp_dpms(struct exynos_drm_display *display, int mode)
}
static struct exynos_drm_display_ops exynos_dp_display_ops = {
- .is_connected = exynos_dp_display_is_connected,
- .get_panel = exynos_dp_get_panel,
- .check_mode = exynos_dp_check_mode,
+ .initialize = exynos_dp_initialize,
+ .create_connector = exynos_dp_create_connector,
.dpms = exynos_dp_dpms,
};
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
index ccaeadc..d6a900d 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.h
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.h
@@ -13,6 +13,7 @@
#ifndef _EXYNOS_DP_CORE_H
#define _EXYNOS_DP_CORE_H
+#include <drm/drm_crtc.h>
#include <drm/exynos_drm.h>
#define DP_TIMEOUT_LOOP_COUNT 100
@@ -144,6 +145,9 @@ struct link_train {
struct exynos_dp_device {
struct device *dev;
+ struct drm_device *drm_dev;
+ struct drm_connector connector;
+ struct drm_encoder *encoder;
struct clk *clock;
unsigned int irq;
void __iomem *reg_base;
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 32/34] drm/exynos: Implement drm_connector directly in vidi driver
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (30 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 31/34] drm/exynos: Implement drm_connector directly in dp driver Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:38 ` [PATCH v5 " Sean Paul
2014-01-30 21:19 ` [PATCH v4 33/34] drm/exynos: Move lvds bridge discovery into DP driver Sean Paul
` (4 subsequent siblings)
36 siblings, 1 reply; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements drm_connector directly in the vidi
driver, this will allow us to move away from the exynos_drm_connector
layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 122 ++++++++++++++++++++++++++++---
1 file changed, 111 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 5d0b5cd..b914513 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -29,6 +29,8 @@
#define WINDOWS_NR 3
#define get_vidi_mgr(dev) platform_get_drvdata(to_platform_device(dev))
+#define ctx_from_connector(c) container_of(c, struct vidi_context, \
+ connector)
struct vidi_win_data {
unsigned int offset_x;
@@ -47,6 +49,8 @@ struct vidi_win_data {
struct vidi_context {
struct drm_device *drm_dev;
struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ struct drm_connector connector;
struct vidi_win_data win_data[WINDOWS_NR];
struct edid *raw_edid;
unsigned int clkdiv;
@@ -129,17 +133,6 @@ static int vidi_check_mode(struct exynos_drm_display *display,
return 0;
}
-static struct exynos_drm_display_ops vidi_display_ops = {
- .is_connected = vidi_display_is_connected,
- .get_edid = vidi_get_edid,
- .check_mode = vidi_check_mode,
-};
-
-static struct exynos_drm_display vidi_display = {
- .type = EXYNOS_DISPLAY_TYPE_VIDI,
- .ops = &vidi_display_ops,
-};
-
static void vidi_apply(struct exynos_drm_manager *mgr)
{
struct vidi_context *ctx = mgr->ctx;
@@ -532,6 +525,113 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
return 0;
}
+static enum drm_connector_status vidi_detect(struct drm_connector *connector,
+ bool force)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+
+ /*
+ * connection request would come from user side
+ * to do hotplug through specific ioctl.
+ */
+ return ctx->connected ? connector_status_connected :
+ connector_status_disconnected;
+}
+
+static void vidi_connector_destroy(struct drm_connector *connector)
+{
+}
+
+static struct drm_connector_funcs vidi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = vidi_detect,
+ .destroy = vidi_connector_destroy,
+};
+
+static int vidi_get_modes(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+ struct edid *edid;
+ int edid_len;
+
+ /*
+ * the edid data comes from user side and it would be set
+ * to ctx->raw_edid through specific ioctl.
+ */
+ if (!ctx->raw_edid) {
+ DRM_DEBUG_KMS("raw_edid is null.\n");
+ return -EFAULT;
+ }
+
+ edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
+ edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
+ if (!edid) {
+ DRM_DEBUG_KMS("failed to allocate edid\n");
+ return -ENOMEM;
+ }
+
+ drm_mode_connector_update_edid_property(connector, edid);
+
+ return drm_add_edid_modes(connector, edid);
+}
+
+static int vidi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+
+ return ctx->encoder;
+}
+
+static struct drm_connector_helper_funcs vidi_connector_helper_funcs = {
+ .get_modes = vidi_get_modes,
+ .mode_valid = vidi_mode_valid,
+ .best_encoder = vidi_best_encoder,
+};
+
+static int vidi_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct vidi_context *ctx = display->ctx;
+ struct drm_connector *connector = &ctx->connector;
+ int ret;
+
+ ctx->encoder = encoder;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(ctx->drm_dev, connector,
+ &vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &vidi_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+
+static struct exynos_drm_display_ops vidi_display_ops = {
+ .is_connected = vidi_display_is_connected,
+ .get_edid = vidi_get_edid,
+ .check_mode = vidi_check_mode,
+ .create_connector = vidi_create_connector,
+};
+
+static struct exynos_drm_display vidi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_VIDI,
+ .ops = &vidi_display_ops,
+};
+
static int vidi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 33/34] drm/exynos: Move lvds bridge discovery into DP driver
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (31 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 32/34] drm/exynos: Implement drm_connector directly in vidi driver Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-01-30 21:19 ` [PATCH v4 34/34] drm/exynos: Remove the exynos_drm_connector shim Sean Paul
` (3 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch moves the lvds bridge discovery and connector pre-emption
code from exynos common code into the dp driver (since the bridge is
only applicable for dp).
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
drivers/gpu/drm/exynos/exynos_dp_core.c | 41 ++++++++++++++++++++++++++++++++
drivers/gpu/drm/exynos/exynos_drm_core.c | 41 --------------------------------
2 files changed, 41 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index af2c9d2..a59bca9 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -25,6 +25,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/bridge/ptn3460.h>
#include "exynos_drm_drv.h"
#include "exynos_dp_core.h"
@@ -32,6 +33,11 @@
#define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
connector)
+struct bridge_init {
+ struct i2c_client *client;
+ struct device_node *node;
+};
+
static int exynos_dp_init_dp(struct exynos_dp_device *dp)
{
exynos_dp_reset(dp);
@@ -973,6 +979,35 @@ static int exynos_dp_initialize(struct exynos_drm_display *display,
return 0;
}
+static bool find_bridge(const char *compat, struct bridge_init *bridge)
+{
+ bridge->client = NULL;
+ bridge->node = of_find_compatible_node(NULL, NULL, compat);
+ if (!bridge->node)
+ return false;
+
+ bridge->client = of_find_i2c_device_by_node(bridge->node);
+ if (!bridge->client)
+ return false;
+
+ return true;
+}
+
+/* returns the number of bridges attached */
+static int exynos_drm_attach_lcd_bridge(struct drm_device *dev,
+ struct drm_encoder *encoder)
+{
+ struct bridge_init bridge;
+ int ret;
+
+ if (find_bridge("nxp,ptn3460", &bridge)) {
+ ret = ptn3460_init(dev, encoder, bridge.client, bridge.node);
+ if (!ret)
+ return 1;
+ }
+ return 0;
+}
+
static int exynos_dp_create_connector(struct exynos_drm_display *display,
struct drm_encoder *encoder)
{
@@ -981,6 +1016,12 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display,
int ret;
dp->encoder = encoder;
+
+ /* Pre-empt DP connector creation if there's a bridge */
+ ret = exynos_drm_attach_lcd_bridge(dp->drm_dev, encoder);
+ if (ret)
+ return 0;
+
connector->polled = DRM_CONNECTOR_POLL_HPD;
ret = drm_connector_init(dp->drm_dev, connector,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 1a60f5a..2446352 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -14,7 +14,6 @@
#include <linux/i2c.h>
#include <drm/drmP.h>
-#include <drm/bridge/ptn3460.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_encoder.h"
@@ -25,40 +24,6 @@ static LIST_HEAD(exynos_drm_subdrv_list);
static LIST_HEAD(exynos_drm_manager_list);
static LIST_HEAD(exynos_drm_display_list);
-struct bridge_init {
- struct i2c_client *client;
- struct device_node *node;
-};
-
-static bool find_bridge(const char *compat, struct bridge_init *bridge)
-{
- bridge->client = NULL;
- bridge->node = of_find_compatible_node(NULL, NULL, compat);
- if (!bridge->node)
- return false;
-
- bridge->client = of_find_i2c_device_by_node(bridge->node);
- if (!bridge->client)
- return false;
-
- return true;
-}
-
-/* returns the number of bridges attached */
-static int exynos_drm_attach_lcd_bridge(struct drm_device *dev,
- struct drm_encoder *encoder)
-{
- struct bridge_init bridge;
- int ret;
-
- if (find_bridge("nxp,ptn3460", &bridge)) {
- ret = ptn3460_init(dev, encoder, bridge.client, bridge.node);
- if (!ret)
- return 1;
- }
- return 0;
-}
-
static int exynos_drm_create_enc_conn(struct drm_device *dev,
struct exynos_drm_display *display)
{
@@ -81,12 +46,6 @@ static int exynos_drm_create_enc_conn(struct drm_device *dev,
}
display->encoder = encoder;
- if (display->type == EXYNOS_DISPLAY_TYPE_LCD) {
- ret = exynos_drm_attach_lcd_bridge(dev, encoder);
- if (ret)
- return 0;
- }
-
if (display->ops->create_connector)
return display->ops->create_connector(display, encoder);
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v4 34/34] drm/exynos: Remove the exynos_drm_connector shim
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (32 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 33/34] drm/exynos: Move lvds bridge discovery into DP driver Sean Paul
@ 2014-01-30 21:19 ` Sean Paul
2014-02-06 19:54 ` [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Olof Johansson
` (2 subsequent siblings)
36 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:19 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This path removes the exynos_drm_connector code since it was just
passing hooks through display_ops. The individual device drivers are now
responsible for implementing drm_connector directly.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
drivers/gpu/drm/exynos/Makefile | 2 +-
drivers/gpu/drm/exynos/exynos_drm_connector.c | 258 --------------------------
drivers/gpu/drm/exynos/exynos_drm_connector.h | 20 --
drivers/gpu/drm/exynos/exynos_drm_core.c | 18 +-
drivers/gpu/drm/exynos/exynos_drm_drv.h | 11 --
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 1 -
6 files changed, 4 insertions(+), 306 deletions(-)
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_connector.c
delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_connector.h
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index fc8555c..b1839e8 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -3,7 +3,7 @@
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
ccflags-y := -Iinclude/drm -Idrivers/gpu/drm/exynos
-exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o exynos_drm_connector.o \
+exynosdrm-y := exynos_drm_drv.o exynos_drm_encoder.o \
exynos_drm_crtc.o exynos_drm_fbdev.o exynos_drm_fb.o \
exynos_drm_buf.o exynos_drm_gem.o exynos_drm_core.o \
exynos_drm_plane.o
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
deleted file mode 100644
index 9a16dbe..0000000
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authors:
- * Inki Dae <inki.dae@samsung.com>
- * Joonyoung Shim <jy0922.shim@samsung.com>
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
-
-#include <drm/exynos_drm.h>
-#include "exynos_drm_drv.h"
-#include "exynos_drm_encoder.h"
-#include "exynos_drm_connector.h"
-
-#define to_exynos_connector(x) container_of(x, struct exynos_drm_connector,\
- drm_connector)
-
-struct exynos_drm_connector {
- struct drm_connector drm_connector;
- uint32_t encoder_id;
- struct exynos_drm_display *display;
-};
-
-static int exynos_drm_connector_get_modes(struct drm_connector *connector)
-{
- struct exynos_drm_connector *exynos_connector =
- to_exynos_connector(connector);
- struct exynos_drm_display *display = exynos_connector->display;
- struct edid *edid = NULL;
- unsigned int count = 0;
- int ret;
-
- /*
- * if get_edid() exists then get_edid() callback of hdmi side
- * is called to get edid data through i2c interface else
- * get timing from the FIMD driver(display controller).
- *
- * P.S. in case of lcd panel, count is always 1 if success
- * because lcd panel has only one mode.
- */
- if (display->ops->get_edid) {
- edid = display->ops->get_edid(display, connector);
- if (IS_ERR_OR_NULL(edid)) {
- ret = PTR_ERR(edid);
- edid = NULL;
- DRM_ERROR("Panel operation get_edid failed %d\n", ret);
- goto out;
- }
-
- count = drm_add_edid_modes(connector, edid);
- if (!count) {
- DRM_ERROR("Add edid modes failed %d\n", count);
- goto out;
- }
-
- drm_mode_connector_update_edid_property(connector, edid);
- } else {
- struct exynos_drm_panel_info *panel;
- struct drm_display_mode *mode = drm_mode_create(connector->dev);
- if (!mode) {
- DRM_ERROR("failed to create a new display mode.\n");
- return 0;
- }
-
- if (display->ops->get_panel)
- panel = display->ops->get_panel(display);
- else {
- drm_mode_destroy(connector->dev, mode);
- return 0;
- }
-
- drm_display_mode_from_videomode(&panel->vm, mode);
- mode->width_mm = panel->width_mm;
- mode->height_mm = panel->height_mm;
- connector->display_info.width_mm = mode->width_mm;
- connector->display_info.height_mm = mode->height_mm;
-
- mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
- drm_mode_set_name(mode);
- drm_mode_probed_add(connector, mode);
-
- count = 1;
- }
-
-out:
- kfree(edid);
- return count;
-}
-
-static int exynos_drm_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- struct exynos_drm_connector *exynos_connector =
- to_exynos_connector(connector);
- struct exynos_drm_display *display = exynos_connector->display;
- int ret = MODE_BAD;
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- if (display->ops->check_mode)
- if (!display->ops->check_mode(display, mode))
- ret = MODE_OK;
-
- return ret;
-}
-
-static struct drm_encoder *exynos_drm_best_encoder(
- struct drm_connector *connector)
-{
- struct drm_device *dev = connector->dev;
- struct exynos_drm_connector *exynos_connector =
- to_exynos_connector(connector);
- struct drm_mode_object *obj;
- struct drm_encoder *encoder;
-
- obj = drm_mode_object_find(dev, exynos_connector->encoder_id,
- DRM_MODE_OBJECT_ENCODER);
- if (!obj) {
- DRM_DEBUG_KMS("Unknown ENCODER ID %d\n",
- exynos_connector->encoder_id);
- return NULL;
- }
-
- encoder = obj_to_encoder(obj);
-
- return encoder;
-}
-
-static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
- .get_modes = exynos_drm_connector_get_modes,
- .mode_valid = exynos_drm_connector_mode_valid,
- .best_encoder = exynos_drm_best_encoder,
-};
-
-static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
- unsigned int max_width, unsigned int max_height)
-{
- struct exynos_drm_connector *exynos_connector =
- to_exynos_connector(connector);
- struct exynos_drm_display *display = exynos_connector->display;
- unsigned int width, height;
-
- width = max_width;
- height = max_height;
-
- /*
- * if specific driver want to find desired_mode using maxmum
- * resolution then get max width and height from that driver.
- */
- if (display->ops->get_max_resol)
- display->ops->get_max_resol(display, &width, &height);
-
- return drm_helper_probe_single_connector_modes(connector, width,
- height);
-}
-
-/* get detection status of display device. */
-static enum drm_connector_status
-exynos_drm_connector_detect(struct drm_connector *connector, bool force)
-{
- struct exynos_drm_connector *exynos_connector =
- to_exynos_connector(connector);
- struct exynos_drm_display *display = exynos_connector->display;
- enum drm_connector_status status = connector_status_disconnected;
-
- if (display->ops->is_connected) {
- if (display->ops->is_connected(display))
- status = connector_status_connected;
- else
- status = connector_status_disconnected;
- }
-
- return status;
-}
-
-static void exynos_drm_connector_destroy(struct drm_connector *connector)
-{
- struct exynos_drm_connector *exynos_connector =
- to_exynos_connector(connector);
-
- drm_sysfs_connector_remove(connector);
- drm_connector_cleanup(connector);
- kfree(exynos_connector);
-}
-
-static struct drm_connector_funcs exynos_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
- .fill_modes = exynos_drm_connector_fill_modes,
- .detect = exynos_drm_connector_detect,
- .destroy = exynos_drm_connector_destroy,
-};
-
-struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
- struct drm_encoder *encoder)
-{
- struct exynos_drm_connector *exynos_connector;
- struct exynos_drm_display *display = exynos_drm_get_display(encoder);
- struct drm_connector *connector;
- int type;
- int err;
-
- exynos_connector = kzalloc(sizeof(*exynos_connector), GFP_KERNEL);
- if (!exynos_connector)
- return NULL;
-
- connector = &exynos_connector->drm_connector;
-
- switch (display->type) {
- case EXYNOS_DISPLAY_TYPE_HDMI:
- type = DRM_MODE_CONNECTOR_HDMIA;
- connector->interlace_allowed = true;
- connector->polled = DRM_CONNECTOR_POLL_HPD;
- break;
- case EXYNOS_DISPLAY_TYPE_VIDI:
- type = DRM_MODE_CONNECTOR_VIRTUAL;
- connector->polled = DRM_CONNECTOR_POLL_HPD;
- break;
- default:
- type = DRM_MODE_CONNECTOR_Unknown;
- break;
- }
-
- drm_connector_init(dev, connector, &exynos_connector_funcs, type);
- drm_connector_helper_add(connector, &exynos_connector_helper_funcs);
-
- err = drm_sysfs_connector_add(connector);
- if (err)
- goto err_connector;
-
- exynos_connector->encoder_id = encoder->base.id;
- exynos_connector->display = display;
- connector->dpms = DRM_MODE_DPMS_OFF;
- connector->encoder = encoder;
-
- err = drm_mode_connector_attach_encoder(connector, encoder);
- if (err) {
- DRM_ERROR("failed to attach a connector to a encoder\n");
- goto err_sysfs;
- }
-
- DRM_DEBUG_KMS("connector has been created\n");
-
- return connector;
-
-err_sysfs:
- drm_sysfs_connector_remove(connector);
-err_connector:
- drm_connector_cleanup(connector);
- kfree(exynos_connector);
- return NULL;
-}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.h b/drivers/gpu/drm/exynos/exynos_drm_connector.h
deleted file mode 100644
index 4eb20d7..0000000
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authors:
- * Inki Dae <inki.dae@samsung.com>
- * Joonyoung Shim <jy0922.shim@samsung.com>
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DRM_CONNECTOR_H_
-#define _EXYNOS_DRM_CONNECTOR_H_
-
-struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
- struct drm_encoder *encoder);
-
-#endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 2446352..4ab10ca 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -17,7 +17,6 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_encoder.h"
-#include "exynos_drm_connector.h"
#include "exynos_drm_fbdev.h"
static LIST_HEAD(exynos_drm_subdrv_list);
@@ -28,7 +27,6 @@ static int exynos_drm_create_enc_conn(struct drm_device *dev,
struct exynos_drm_display *display)
{
struct drm_encoder *encoder;
- struct drm_connector *connector;
struct exynos_drm_manager *manager;
int ret;
unsigned long possible_crtcs = 0;
@@ -46,22 +44,12 @@ static int exynos_drm_create_enc_conn(struct drm_device *dev,
}
display->encoder = encoder;
- if (display->ops->create_connector)
- return display->ops->create_connector(display, encoder);
-
- /*
- * create and initialize a connector for this sub driver and
- * attach the encoder created above to the connector.
- */
- connector = exynos_drm_connector_create(dev, encoder);
- if (!connector) {
- DRM_ERROR("failed to create connector\n");
- ret = -EFAULT;
+ ret = display->ops->create_connector(display, encoder);
+ if (ret) {
+ DRM_ERROR("failed to create connector ret=%d\n", ret);
goto err_destroy_encoder;
}
- display->connector = connector;
-
return 0;
err_destroy_encoder:
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index b1b02d0..1c78806 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -124,10 +124,6 @@ struct exynos_drm_overlay {
*
* @initialize: initializes the display with drm_dev
* @remove: cleans up the display for removal
- * @is_connected: check for that display is connected or not.
- * @get_max_resol: get maximum resolution to specific hardware.
- * @get_edid: get edid modes from display driver.
- * @get_panel: get panel object from display driver.
* @mode_fixup: fix mode data comparing to hw specific display mode.
* @mode_set: convert drm_display_mode to hw specific display mode and
* would be called by encoder->mode_set().
@@ -142,13 +138,6 @@ struct exynos_drm_display_ops {
int (*create_connector)(struct exynos_drm_display *display,
struct drm_encoder *encoder);
void (*remove)(struct exynos_drm_display *display);
- bool (*is_connected)(struct exynos_drm_display *display);
- void (*get_max_resol)(struct exynos_drm_display *display,
- unsigned int *width,
- unsigned int *height);
- struct edid *(*get_edid)(struct exynos_drm_display *display,
- struct drm_connector *connector);
- void *(*get_panel)(struct exynos_drm_display *display);
void (*mode_fixup)(struct exynos_drm_display *display,
struct drm_connector *connector,
const struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index bfa2f17..835c0f1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -17,7 +17,6 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_encoder.h"
-#include "exynos_drm_connector.h"
#define to_exynos_encoder(x) container_of(x, struct exynos_drm_encoder,\
drm_encoder)
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* [PATCH v5 32/34] drm/exynos: Implement drm_connector directly in vidi driver
2014-01-30 21:19 ` [PATCH v4 32/34] drm/exynos: Implement drm_connector directly in vidi driver Sean Paul
@ 2014-01-30 21:38 ` Sean Paul
0 siblings, 0 replies; 62+ messages in thread
From: Sean Paul @ 2014-01-30 21:38 UTC (permalink / raw)
To: dri-devel, inki.dae; +Cc: marcheu
This patch implements drm_connector directly in the vidi
driver, this will allow us to move away from the exynos_drm_connector
layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
Changes in v3:
- Added to the patchset
Changes in v4: None
Changes in v5:
- Resolved merge conflict kruft
drivers/gpu/drm/exynos/exynos_drm_vidi.c | 162 ++++++++++++++++++++-----------
1 file changed, 108 insertions(+), 54 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 5d0b5cd..7afead9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -29,6 +29,8 @@
#define WINDOWS_NR 3
#define get_vidi_mgr(dev) platform_get_drvdata(to_platform_device(dev))
+#define ctx_from_connector(c) container_of(c, struct vidi_context, \
+ connector)
struct vidi_win_data {
unsigned int offset_x;
@@ -47,6 +49,8 @@ struct vidi_win_data {
struct vidi_context {
struct drm_device *drm_dev;
struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ struct drm_connector connector;
struct vidi_win_data win_data[WINDOWS_NR];
struct edid *raw_edid;
unsigned int clkdiv;
@@ -86,60 +90,6 @@ static const char fake_edid_info[] = {
0x00, 0x00, 0x00, 0x06
};
-static bool vidi_display_is_connected(struct exynos_drm_display *display)
-{
- struct vidi_context *ctx = display->ctx;
-
- /*
- * connection request would come from user side
- * to do hotplug through specific ioctl.
- */
- return ctx->connected ? true : false;
-}
-
-static struct edid *vidi_get_edid(struct exynos_drm_display *display,
- struct drm_connector *connector)
-{
- struct vidi_context *ctx = display->ctx;
- struct edid *edid;
-
- /*
- * the edid data comes from user side and it would be set
- * to ctx->raw_edid through specific ioctl.
- */
- if (!ctx->raw_edid) {
- DRM_DEBUG_KMS("raw_edid is null.\n");
- return ERR_PTR(-EFAULT);
- }
-
- edid = drm_edid_duplicate(ctx->raw_edid);
- if (!edid) {
- DRM_DEBUG_KMS("failed to allocate edid\n");
- return ERR_PTR(-ENOMEM);
- }
-
- return edid;
-}
-
-static int vidi_check_mode(struct exynos_drm_display *display,
- struct drm_display_mode *mode)
-{
- /* TODO. */
-
- return 0;
-}
-
-static struct exynos_drm_display_ops vidi_display_ops = {
- .is_connected = vidi_display_is_connected,
- .get_edid = vidi_get_edid,
- .check_mode = vidi_check_mode,
-};
-
-static struct exynos_drm_display vidi_display = {
- .type = EXYNOS_DISPLAY_TYPE_VIDI,
- .ops = &vidi_display_ops,
-};
-
static void vidi_apply(struct exynos_drm_manager *mgr)
{
struct vidi_context *ctx = mgr->ctx;
@@ -532,6 +482,110 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
return 0;
}
+static enum drm_connector_status vidi_detect(struct drm_connector *connector,
+ bool force)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+
+ /*
+ * connection request would come from user side
+ * to do hotplug through specific ioctl.
+ */
+ return ctx->connected ? connector_status_connected :
+ connector_status_disconnected;
+}
+
+static void vidi_connector_destroy(struct drm_connector *connector)
+{
+}
+
+static struct drm_connector_funcs vidi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = vidi_detect,
+ .destroy = vidi_connector_destroy,
+};
+
+static int vidi_get_modes(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+ struct edid *edid;
+ int edid_len;
+
+ /*
+ * the edid data comes from user side and it would be set
+ * to ctx->raw_edid through specific ioctl.
+ */
+ if (!ctx->raw_edid) {
+ DRM_DEBUG_KMS("raw_edid is null.\n");
+ return -EFAULT;
+ }
+
+ edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
+ edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
+ if (!edid) {
+ DRM_DEBUG_KMS("failed to allocate edid\n");
+ return -ENOMEM;
+ }
+
+ drm_mode_connector_update_edid_property(connector, edid);
+
+ return drm_add_edid_modes(connector, edid);
+}
+
+static int vidi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector)
+{
+ struct vidi_context *ctx = ctx_from_connector(connector);
+
+ return ctx->encoder;
+}
+
+static struct drm_connector_helper_funcs vidi_connector_helper_funcs = {
+ .get_modes = vidi_get_modes,
+ .mode_valid = vidi_mode_valid,
+ .best_encoder = vidi_best_encoder,
+};
+
+static int vidi_create_connector(struct exynos_drm_display *display,
+ struct drm_encoder *encoder)
+{
+ struct vidi_context *ctx = display->ctx;
+ struct drm_connector *connector = &ctx->connector;
+ int ret;
+
+ ctx->encoder = encoder;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+
+ ret = drm_connector_init(ctx->drm_dev, connector,
+ &vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ return ret;
+ }
+
+ drm_connector_helper_add(connector, &vidi_connector_helper_funcs);
+ drm_sysfs_connector_add(connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+
+static struct exynos_drm_display_ops vidi_display_ops = {
+ .create_connector = vidi_create_connector,
+};
+
+static struct exynos_drm_display vidi_display = {
+ .type = EXYNOS_DISPLAY_TYPE_VIDI,
+ .ops = &vidi_display_ops,
+};
+
static int vidi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
--
1.8.5.1
^ permalink raw reply related [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (33 preceding siblings ...)
2014-01-30 21:19 ` [PATCH v4 34/34] drm/exynos: Remove the exynos_drm_connector shim Sean Paul
@ 2014-02-06 19:54 ` Olof Johansson
2014-02-07 4:13 ` Inki Dae
2014-02-08 2:48 ` Tomasz Figa
2014-02-07 10:29 ` Tomasz Figa
2014-03-13 7:33 ` Inki Dae
36 siblings, 2 replies; 62+ messages in thread
From: Olof Johansson @ 2014-02-06 19:54 UTC (permalink / raw)
To: Sean Paul; +Cc: Stéphane Marchesin, DRI mailing list
On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org> wrote:
> This patchset refactors parts of the exynos driver to move it closer to a proper
> drm driver (rather than just implementing a drm layer on top of the hardware
> drivers). The hope is to get to a point where the dp/hdmi drivers can implement
> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
> drm_crtc.
>
> The notable changes in this set:
> - drm_encoder funcs no longer route through the crtc
> - DP driver has been moved from video into the drm driver
> - fimd no longer implements encoder callbacks
> - exynos_drm_hdmi is removed in favor of generic manager/display
> handling
>
> At a glance, differences between v1 and v2:
> - Passing manager/display in callbacks instead of ctx
> - Tacked on some dpms patches on the end to handle suspend/resume
> through the dpms path
>
> At a glance, differences between v2 and v3:
> - Fixed vidi issues
> - Moved exynos_drm_hdmi.c removal to the right place
> - Added the exynos_drm_connector removal patches on the end
>
> At a glance, differences between v3 and v4:
> - Rebased on top of exynos-drm-next
> - Addressed review comments, no major functional changes
>
> Sean
Even if there is room for even more cleanups and refactorings on top
of this, it's good enough as a base and keeping it out of tree is
hurting productivity and usefulness for everybody. Let's get this
merged for 3.15 so that we can make progress with the rest of the
platform!
Series:
Acked-by: Olof Johansson <olof@lixom.net>
-Olof
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-06 19:54 ` [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Olof Johansson
@ 2014-02-07 4:13 ` Inki Dae
2014-02-08 2:48 ` Tomasz Figa
1 sibling, 0 replies; 62+ messages in thread
From: Inki Dae @ 2014-02-07 4:13 UTC (permalink / raw)
To: Olof Johansson; +Cc: Stéphane Marchesin, DRI mailing list
2014-02-07 Olof Johansson <olof@lixom.net>:
> On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org> wrote:
>> This patchset refactors parts of the exynos driver to move it closer to a proper
>> drm driver (rather than just implementing a drm layer on top of the hardware
>> drivers). The hope is to get to a point where the dp/hdmi drivers can implement
>> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
>> drm_crtc.
>>
>> The notable changes in this set:
>> - drm_encoder funcs no longer route through the crtc
>> - DP driver has been moved from video into the drm driver
>> - fimd no longer implements encoder callbacks
>> - exynos_drm_hdmi is removed in favor of generic manager/display
>> handling
>>
>> At a glance, differences between v1 and v2:
>> - Passing manager/display in callbacks instead of ctx
>> - Tacked on some dpms patches on the end to handle suspend/resume
>> through the dpms path
>>
>> At a glance, differences between v2 and v3:
>> - Fixed vidi issues
>> - Moved exynos_drm_hdmi.c removal to the right place
>> - Added the exynos_drm_connector removal patches on the end
>>
>> At a glance, differences between v3 and v4:
>> - Rebased on top of exynos-drm-next
>> - Addressed review comments, no major functional changes
>>
>> Sean
>
> Even if there is room for even more cleanups and refactorings on top
> of this, it's good enough as a base and keeping it out of tree is
> hurting productivity and usefulness for everybody. Let's get this
Agree. Will merge all of them to exynos-drm-next soon because there
are other patch sets (should go on top of this) being delayed by this
patch series, and it doesn't seem that this patch series has critical
issue. Some minor issues could be fixed up by other later.
Well, shouldn't the ptn3460 lvds bridge patch series also be re-based?
Now, this patch series is conflicted.
Thanks,
Inki Dae
> merged for 3.15 so that we can make progress with the rest of the
> platform!
>
> Series:
>
> Acked-by: Olof Johansson <olof@lixom.net>
>
>
>
> -Olof
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (34 preceding siblings ...)
2014-02-06 19:54 ` [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Olof Johansson
@ 2014-02-07 10:29 ` Tomasz Figa
2014-03-13 7:33 ` Inki Dae
36 siblings, 0 replies; 62+ messages in thread
From: Tomasz Figa @ 2014-02-07 10:29 UTC (permalink / raw)
To: Sean Paul, dri-devel, inki.dae; +Cc: marcheu
Hi Sean,
On 30.01.2014 22:18, Sean Paul wrote:
> This patchset refactors parts of the exynos driver to move it closer to a proper
> drm driver (rather than just implementing a drm layer on top of the hardware
> drivers). The hope is to get to a point where the dp/hdmi drivers can implement
> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
> drm_crtc.
This series does not apply on exynos-drm-next. It seems to still depend
on the DRM bridge series posted long time ago.
Do you have a tree with this series and all its dependencies applied, so
I could test it on my boards?
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-06 19:54 ` [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Olof Johansson
2014-02-07 4:13 ` Inki Dae
@ 2014-02-08 2:48 ` Tomasz Figa
2014-02-27 4:43 ` Inki Dae
1 sibling, 1 reply; 62+ messages in thread
From: Tomasz Figa @ 2014-02-08 2:48 UTC (permalink / raw)
To: Olof Johansson, Sean Paul; +Cc: Stéphane Marchesin, DRI mailing list
On 06.02.2014 20:54, Olof Johansson wrote:
> On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org> wrote:
>> This patchset refactors parts of the exynos driver to move it closer to a proper
>> drm driver (rather than just implementing a drm layer on top of the hardware
>> drivers). The hope is to get to a point where the dp/hdmi drivers can implement
>> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
>> drm_crtc.
>>
>> The notable changes in this set:
>> - drm_encoder funcs no longer route through the crtc
>> - DP driver has been moved from video into the drm driver
>> - fimd no longer implements encoder callbacks
>> - exynos_drm_hdmi is removed in favor of generic manager/display
>> handling
>>
>> At a glance, differences between v1 and v2:
>> - Passing manager/display in callbacks instead of ctx
>> - Tacked on some dpms patches on the end to handle suspend/resume
>> through the dpms path
>>
>> At a glance, differences between v2 and v3:
>> - Fixed vidi issues
>> - Moved exynos_drm_hdmi.c removal to the right place
>> - Added the exynos_drm_connector removal patches on the end
>>
>> At a glance, differences between v3 and v4:
>> - Rebased on top of exynos-drm-next
>> - Addressed review comments, no major functional changes
>>
>> Sean
>
> Even if there is room for even more cleanups and refactorings on top
> of this, it's good enough as a base and keeping it out of tree is
> hurting productivity and usefulness for everybody. Let's get this
> merged for 3.15 so that we can make progress with the rest of the
> platform!
I wouldn't be overly excited about merging this series yet...
If I have applied it correctly (and I believe so, as reading the code
tells me the same), it introduces a regression due to removal of support
of standard parallel displays from FIMD driver.
I had mentioned this in my review comments for previous version, but
apparently I got ignored. Please fix this.
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
@ 2014-02-08 2:52 ` Tomasz Figa
2014-02-10 7:30 ` Inki Dae
2014-02-11 23:02 ` Olof Johansson
2014-02-14 14:13 ` Tomasz Stanislawski
2014-02-19 11:43 ` Inki Dae
2 siblings, 2 replies; 62+ messages in thread
From: Tomasz Figa @ 2014-02-08 2:52 UTC (permalink / raw)
To: Sean Paul, dri-devel, inki.dae; +Cc: marcheu
Hi,
On 30.01.2014 22:19, Sean Paul wrote:
> From: Daniel Kurtz <djkurtz@chromium.org>
>
> The i2c client was previously being passed into the hdmi driver via a
> dedicated i2c driver, and then a global variable. This patch removes all
> of that and just uses the device tree to get the i2c_client. This patch
> also properly references the client so we don't lose it before we're
> done with it.
>
> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
> [seanpaul changed to phandle lookup instead of using of node name]
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> ---
>
> Changes in v2:
> - Change include to linux/i2c.h instead of linux/of_i2c.h
> Changes in v3: None
> Changes in v4:
> - Changed to find phy via phandle instead of by name
>
> .../devicetree/bindings/video/exynos_hdmi.txt | 5 ++
> drivers/gpu/drm/exynos/Makefile | 1 -
> drivers/gpu/drm/exynos/exynos_ddc.c | 63 ---------------------
> drivers/gpu/drm/exynos/exynos_hdmi.c | 59 +++++++++-----------
> drivers/gpu/drm/exynos/exynos_hdmi.h | 23 --------
> drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65 ----------------------
> 6 files changed, 32 insertions(+), 184 deletions(-)
> delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
>
> diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
> index 50decf8..f9187a2 100644
> --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
> +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
> @@ -25,6 +25,9 @@ Required properties:
> sclk_pixel.
> - clock-names: aliases as per driver requirements for above clock IDs:
> "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
> +- ddc: phandle to the hdmi ddc node
> +- phy: phandle to the hdmi phy node
> +
Adding new required properties to an already defined binding is breaking
backwards compatibility, which is supposed to be preserved, since DT is
an ABI.
Now, I'm not really a big fan of DT stability, but if we decide to
maintain it for other Exynos drivers as well (e.g. USB), then we
probably should do the same here...
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-02-08 2:52 ` Tomasz Figa
@ 2014-02-10 7:30 ` Inki Dae
2014-02-11 14:13 ` Tomasz Figa
2014-02-11 23:02 ` Olof Johansson
1 sibling, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-02-10 7:30 UTC (permalink / raw)
To: Tomasz Figa; +Cc: Stéphane Marchesin, DRI mailing list
2014-02-08 11:52 GMT+09:00 Tomasz Figa <tomasz.figa@gmail.com>:
> Hi,
>
>
> On 30.01.2014 22:19, Sean Paul wrote:
>>
>> From: Daniel Kurtz <djkurtz@chromium.org>
>>
>> The i2c client was previously being passed into the hdmi driver via a
>> dedicated i2c driver, and then a global variable. This patch removes all
>> of that and just uses the device tree to get the i2c_client. This patch
>> also properly references the client so we don't lose it before we're
>> done with it.
>>
>> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
>> [seanpaul changed to phandle lookup instead of using of node name]
>> Signed-off-by: Sean Paul <seanpaul@chromium.org>
>> ---
>>
>> Changes in v2:
>> - Change include to linux/i2c.h instead of linux/of_i2c.h
>> Changes in v3: None
>> Changes in v4:
>> - Changed to find phy via phandle instead of by name
>>
>> .../devicetree/bindings/video/exynos_hdmi.txt | 5 ++
>> drivers/gpu/drm/exynos/Makefile | 1 -
>> drivers/gpu/drm/exynos/exynos_ddc.c | 63
>> ---------------------
>> drivers/gpu/drm/exynos/exynos_hdmi.c | 59
>> +++++++++-----------
>> drivers/gpu/drm/exynos/exynos_hdmi.h | 23 --------
>> drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65
>> ----------------------
>> 6 files changed, 32 insertions(+), 184 deletions(-)
>> delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
>> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
>> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
>>
>> diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>> b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>> index 50decf8..f9187a2 100644
>> --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>> +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>> @@ -25,6 +25,9 @@ Required properties:
>> sclk_pixel.
>> - clock-names: aliases as per driver requirements for above clock IDs:
>> "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
>> +- ddc: phandle to the hdmi ddc node
>> +- phy: phandle to the hdmi phy node
>> +
>
>
> Adding new required properties to an already defined binding is breaking
> backwards compatibility, which is supposed to be preserved, since DT is an
> ABI.
Right, that's a problem. If we use this patch, and we add additional
codes for these property to hdmi driver, then the existing dtb will be
broken by dt binding fail. However, as long as I know, there is
another case that phy property is used like this way; MIPI-CSI device
node. And also it seems reasonable to add ddc property in similar
reason if we could handle that the existing dt node is deplicated.
So what we could select I think are,
1. to deplicate the existing dt node, and using this patch.
2. or, to separate phy and ddc parts as each module so that each
module can bind device tree. However, this way would make hdmi part of
exynos drm to be complicated because we should resolve probe ordering
issue.
It seems that we need to discuss and make a consensus about this issue.
Tomasz and Sean, please, share your opinion. I tend to proper 1.
Thanks,
Inki Dae
>
> Now, I'm not really a big fan of DT stability, but if we decide to maintain
> it for other Exynos drivers as well (e.g. USB), then we probably should do
> the same here...
>
> Best regards,
> Tomasz
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd
2014-01-30 21:19 ` [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd Sean Paul
@ 2014-02-10 10:36 ` Andrzej Hajda
0 siblings, 0 replies; 62+ messages in thread
From: Andrzej Hajda @ 2014-02-10 10:36 UTC (permalink / raw)
To: Sean Paul, dri-devel, inki.dae; +Cc: marcheu
Hi Sean,
On 01/30/2014 10:19 PM, Sean Paul wrote:
> This patch uses the mode passed into mode_set to configure fimd instead
> of directly using the panel from context. This will allow us to move
> the exynos_drm_display implementation out of fimd, where it doesn't
> belong.
>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
(...)
> + vblank = mode->crtc_vblank_end - mode->crtc_vblank_start;
> + vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
> + vbpd = (vblank - vsync_len) / 2;
> + vfpd = vblank - vsync_len - vbpd;
It should be rather:
vbpd = mode->crtc_vtotal - mode->crtc_vsync_end;
vfpd = mode->crtc_vsync_start - mode->crtc_vdisplay;
> +
> + val = VIDTCON0_VBPD(vbpd - 1) |
> + VIDTCON0_VFPD(vfpd - 1) |
> + VIDTCON0_VSPW(vsync_len - 1);
> writel(val, ctx->regs + driver_data->timing_base + VIDTCON0);
>
> /* setup horizontal timing values. */
> - val = VIDTCON1_HBPD(vm->hback_porch - 1) |
> - VIDTCON1_HFPD(vm->hfront_porch - 1) |
> - VIDTCON1_HSPW(vm->hsync_len - 1);
> + hblank = mode->crtc_hblank_end - mode->crtc_hblank_start;
> + hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
> + hbpd = (hblank - hsync_len) / 2;
> + hfpd = hblank - hsync_len - hbpd;
hbpd = mode->crtc_htotal - mode->crtc_hsync_end;
hfpd = mode->crtc_hsync_start - mode->crtc_hdisplay;
I have pointed it out already in my exynos/dsi patches[1](they were
based on v3 of your patches), but I forgot to cc it to you.
[1] http://permalink.gmane.org/gmane.comp.video.dri.devel/98737
Regards
Andrzej
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-02-10 7:30 ` Inki Dae
@ 2014-02-11 14:13 ` Tomasz Figa
0 siblings, 0 replies; 62+ messages in thread
From: Tomasz Figa @ 2014-02-11 14:13 UTC (permalink / raw)
To: Inki Dae, Tomasz Figa; +Cc: Stéphane Marchesin, DRI mailing list
On 10.02.2014 08:30, Inki Dae wrote:
> 2014-02-08 11:52 GMT+09:00 Tomasz Figa <tomasz.figa@gmail.com>:
>> Hi,
>>
>>
>> On 30.01.2014 22:19, Sean Paul wrote:
>>>
>>> From: Daniel Kurtz <djkurtz@chromium.org>
>>>
>>> The i2c client was previously being passed into the hdmi driver via a
>>> dedicated i2c driver, and then a global variable. This patch removes all
>>> of that and just uses the device tree to get the i2c_client. This patch
>>> also properly references the client so we don't lose it before we're
>>> done with it.
>>>
>>> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
>>> [seanpaul changed to phandle lookup instead of using of node name]
>>> Signed-off-by: Sean Paul <seanpaul@chromium.org>
>>> ---
>>>
>>> Changes in v2:
>>> - Change include to linux/i2c.h instead of linux/of_i2c.h
>>> Changes in v3: None
>>> Changes in v4:
>>> - Changed to find phy via phandle instead of by name
>>>
>>> .../devicetree/bindings/video/exynos_hdmi.txt | 5 ++
>>> drivers/gpu/drm/exynos/Makefile | 1 -
>>> drivers/gpu/drm/exynos/exynos_ddc.c | 63
>>> ---------------------
>>> drivers/gpu/drm/exynos/exynos_hdmi.c | 59
>>> +++++++++-----------
>>> drivers/gpu/drm/exynos/exynos_hdmi.h | 23 --------
>>> drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65
>>> ----------------------
>>> 6 files changed, 32 insertions(+), 184 deletions(-)
>>> delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
>>> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
>>> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
>>>
>>> diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>>> b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>>> index 50decf8..f9187a2 100644
>>> --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>>> +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
>>> @@ -25,6 +25,9 @@ Required properties:
>>> sclk_pixel.
>>> - clock-names: aliases as per driver requirements for above clock IDs:
>>> "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
>>> +- ddc: phandle to the hdmi ddc node
>>> +- phy: phandle to the hdmi phy node
>>> +
>>
>>
>> Adding new required properties to an already defined binding is breaking
>> backwards compatibility, which is supposed to be preserved, since DT is an
>> ABI.
>
> Right, that's a problem. If we use this patch, and we add additional
> codes for these property to hdmi driver, then the existing dtb will be
> broken by dt binding fail. However, as long as I know, there is
> another case that phy property is used like this way; MIPI-CSI device
> node. And also it seems reasonable to add ddc property in similar
> reason if we could handle that the existing dt node is deplicated.
>
> So what we could select I think are,
> 1. to deplicate the existing dt node, and using this patch.
> 2. or, to separate phy and ddc parts as each module so that each
> module can bind device tree. However, this way would make hdmi part of
> exynos drm to be complicated because we should resolve probe ordering
> issue.
>
> It seems that we need to discuss and make a consensus about this issue.
>
> Tomasz and Sean, please, share your opinion. I tend to proper 1.
I tend to prefer option 1 too. I don't have anything against this patch
itself.
All I'm just worried about is applying different standards to patches
changing DT bindings depending on subsystem (and authors?).
Either we declare that we are okay with making Exynos-specific bindings
unstable or we keep stability for all of them. I wouldn't be upset if we
went with the former, as the whole stability making it impossible to get
rid of some fugly broken bindings is getting more and more annoying.
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-02-08 2:52 ` Tomasz Figa
2014-02-10 7:30 ` Inki Dae
@ 2014-02-11 23:02 ` Olof Johansson
2014-02-12 0:44 ` Tomasz Figa
1 sibling, 1 reply; 62+ messages in thread
From: Olof Johansson @ 2014-02-11 23:02 UTC (permalink / raw)
To: Tomasz Figa; +Cc: Stéphane Marchesin, DRI mailing list
On Fri, Feb 7, 2014 at 6:52 PM, Tomasz Figa <tomasz.figa@gmail.com> wrote:
> Adding new required properties to an already defined binding is breaking
> backwards compatibility, which is supposed to be preserved, since DT is an
> ABI.
>
> Now, I'm not really a big fan of DT stability, but if we decide to maintain
> it for other Exynos drivers as well (e.g. USB), then we probably should do
> the same here...
A binding without users _can_ be changed. If you're sure that there
are no users of the old binding, and that any users can and will
(without complaint or surprise) update to a newer DT with the newer
binding, then you can change it. I'm not sure if the cat is out of the
bag w.r.t. users of upstream Exynos kernels that this is true or not.
-Olof
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-02-11 23:02 ` Olof Johansson
@ 2014-02-12 0:44 ` Tomasz Figa
0 siblings, 0 replies; 62+ messages in thread
From: Tomasz Figa @ 2014-02-12 0:44 UTC (permalink / raw)
To: Olof Johansson; +Cc: Stéphane Marchesin, DRI mailing list
On 12.02.2014 00:02, Olof Johansson wrote:
> On Fri, Feb 7, 2014 at 6:52 PM, Tomasz Figa <tomasz.figa@gmail.com> wrote:
>
>> Adding new required properties to an already defined binding is breaking
>> backwards compatibility, which is supposed to be preserved, since DT is an
>> ABI.
>>
>> Now, I'm not really a big fan of DT stability, but if we decide to maintain
>> it for other Exynos drivers as well (e.g. USB), then we probably should do
>> the same here...
>
> A binding without users _can_ be changed.
Of course it can. However hdmi binding apparently already has users,
since git grep hdmi over Exynos dts files shows 4 boards using HDMI, so
I'm not sure it's the case here.
> If you're sure that there
> are no users of the old binding, and that any users can and will
> (without complaint or surprise) update to a newer DT with the newer
> binding, then you can change it. I'm not sure if the cat is out of the
> bag w.r.t. users of upstream Exynos kernels that this is true or not.
The question is whether there are really users of upstream kernels that
would care, i.e. don't always simply use DTB and kernel built from the
same tree.
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
2014-02-08 2:52 ` Tomasz Figa
@ 2014-02-14 14:13 ` Tomasz Stanislawski
2014-02-19 11:14 ` Inki Dae
2014-02-19 11:43 ` Inki Dae
2 siblings, 1 reply; 62+ messages in thread
From: Tomasz Stanislawski @ 2014-02-14 14:13 UTC (permalink / raw)
To: Sean Paul, dri-devel, inki.dae; +Cc: marcheu
Hi Daniel,
I think that it would be better to change the semantic of phy and ddc
bindings.
Rather than pointing to I2C client it should point to I2C bus instead.
The exynos DRM driver can create dummy I2C clients using i2c_new_dummy()
function.
There is quite strong rationale for this:
- DDC is always accessible on fixed addresses described in HDMI specification.
- HDMIPHY (including I2C address) is a part of HDMI IP and it is bound to
specific version of Exynos SoC
- no need to add virtual nodes in DTS
- NVIDIA already use bindings to DDC bus instead of DDC client. Take a look to
arch/arm/boot/dts/tegra*.dts
Regards,
Tomasz Stanislawski
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-02-14 14:13 ` Tomasz Stanislawski
@ 2014-02-19 11:14 ` Inki Dae
2014-04-04 14:04 ` Tomasz Stanislawski
0 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-02-19 11:14 UTC (permalink / raw)
To: Tomasz Stanislawski; +Cc: Stéphane Marchesin, DRI mailing list
Hi Tomasz,
2014-02-14 23:13 GMT+09:00 Tomasz Stanislawski <t.stanislaws@samsung.com>:
> Hi Daniel,
> I think that it would be better to change the semantic of phy and ddc
> bindings.
>
> Rather than pointing to I2C client it should point to I2C bus instead.
> The exynos DRM driver can create dummy I2C clients using i2c_new_dummy()
> function.
It seems better way. As of now, all we need for HDMI DDC is
i2c_adapter (including i2c phy), not i2c_client.
>
> There is quite strong rationale for this:
> - DDC is always accessible on fixed addresses described in HDMI specification.
> - HDMIPHY (including I2C address) is a part of HDMI IP and it is bound to
> specific version of Exynos SoC
> - no need to add virtual nodes in DTS
You mean hdmiddc and hdmiphy nodes? If so, I think they are real
nodes, not virtual nodes. Otherwise, plz give me more comments.
Thanks,
Inki Dae
> - NVIDIA already use bindings to DDC bus instead of DDC client. Take a look to
> arch/arm/boot/dts/tegra*.dts
>
> Regards,
> Tomasz Stanislawski
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
2014-02-08 2:52 ` Tomasz Figa
2014-02-14 14:13 ` Tomasz Stanislawski
@ 2014-02-19 11:43 ` Inki Dae
2 siblings, 0 replies; 62+ messages in thread
From: Inki Dae @ 2014-02-19 11:43 UTC (permalink / raw)
To: Sean Paul; +Cc: Stéphane Marchesin, DRI mailing list
2014-01-31 6:19 GMT+09:00 Sean Paul <seanpaul@chromium.org>:
> From: Daniel Kurtz <djkurtz@chromium.org>
>
> The i2c client was previously being passed into the hdmi driver via a
> dedicated i2c driver, and then a global variable. This patch removes all
> of that and just uses the device tree to get the i2c_client. This patch
> also properly references the client so we don't lose it before we're
> done with it.
>
> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
> [seanpaul changed to phandle lookup instead of using of node name]
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> ---
>
> Changes in v2:
> - Change include to linux/i2c.h instead of linux/of_i2c.h
> Changes in v3: None
> Changes in v4:
> - Changed to find phy via phandle instead of by name
>
> .../devicetree/bindings/video/exynos_hdmi.txt | 5 ++
> drivers/gpu/drm/exynos/Makefile | 1 -
> drivers/gpu/drm/exynos/exynos_ddc.c | 63 ---------------------
> drivers/gpu/drm/exynos/exynos_hdmi.c | 59 +++++++++-----------
> drivers/gpu/drm/exynos/exynos_hdmi.h | 23 --------
> drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65 ----------------------
> 6 files changed, 32 insertions(+), 184 deletions(-)
> delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
>
> diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
> index 50decf8..f9187a2 100644
> --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt
> +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
> @@ -25,6 +25,9 @@ Required properties:
> sclk_pixel.
> - clock-names: aliases as per driver requirements for above clock IDs:
> "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
> +- ddc: phandle to the hdmi ddc node
> +- phy: phandle to the hdmi phy node
> +
> Example:
>
> hdmi {
> @@ -32,4 +35,6 @@ Example:
> reg = <0x14530000 0x100000>;
> interrupts = <0 95 0>;
> hpd-gpio = <&gpx3 7 1>;
> + ddc = <&hdmi_ddc_node>;
> + phy = <&hdmi_phy_node>;
> };
> diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
> index 639b49e..819961a 100644
> --- a/drivers/gpu/drm/exynos/Makefile
> +++ b/drivers/gpu/drm/exynos/Makefile
> @@ -12,7 +12,6 @@ exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o
> exynosdrm-$(CONFIG_DRM_EXYNOS_DMABUF) += exynos_drm_dmabuf.o
> exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o
> exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o exynos_mixer.o \
> - exynos_ddc.o exynos_hdmiphy.o \
> exynos_drm_hdmi.o
> exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o
> exynosdrm-$(CONFIG_DRM_EXYNOS_G2D) += exynos_drm_g2d.o
> diff --git a/drivers/gpu/drm/exynos/exynos_ddc.c b/drivers/gpu/drm/exynos/exynos_ddc.c
> deleted file mode 100644
> index 6a8c84e..0000000
> --- a/drivers/gpu/drm/exynos/exynos_ddc.c
> +++ /dev/null
> @@ -1,63 +0,0 @@
> -/*
> - * Copyright (C) 2011 Samsung Electronics Co.Ltd
> - * Authors:
> - * Seung-Woo Kim <sw0312.kim@samsung.com>
> - * Inki Dae <inki.dae@samsung.com>
> - *
> - * This program is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU General Public License as published by the
> - * Free Software Foundation; either version 2 of the License, or (at your
> - * option) any later version.
> - *
> - */
> -
> -#include <drm/drmP.h>
> -
> -#include <linux/kernel.h>
> -#include <linux/i2c.h>
> -#include <linux/of.h>
> -
> -#include "exynos_drm_drv.h"
> -#include "exynos_hdmi.h"
> -
> -static int s5p_ddc_probe(struct i2c_client *client,
> - const struct i2c_device_id *dev_id)
> -{
> - hdmi_attach_ddc_client(client);
> -
> - dev_info(&client->adapter->dev,
> - "attached %s into i2c adapter successfully\n",
> - client->name);
> -
> - return 0;
> -}
> -
> -static int s5p_ddc_remove(struct i2c_client *client)
> -{
> - dev_info(&client->adapter->dev,
> - "detached %s from i2c adapter successfully\n",
> - client->name);
> -
> - return 0;
> -}
> -
> -static struct of_device_id hdmiddc_match_types[] = {
> - {
> - .compatible = "samsung,exynos5-hdmiddc",
> - }, {
> - .compatible = "samsung,exynos4210-hdmiddc",
> - }, {
> - /* end node */
> - }
> -};
> -
> -struct i2c_driver ddc_driver = {
> - .driver = {
> - .name = "exynos-hdmiddc",
> - .owner = THIS_MODULE,
> - .of_match_table = hdmiddc_match_types,
> - },
> - .probe = s5p_ddc_probe,
> - .remove = s5p_ddc_remove,
> - .command = NULL,
> -};
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
> index 7e70228..97a0e57 100644
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
> @@ -33,6 +33,7 @@
> #include <linux/regulator/consumer.h>
> #include <linux/io.h>
> #include <linux/of.h>
> +#include <linux/i2c.h>
> #include <linux/of_gpio.h>
>
> #include <drm/exynos_drm.h>
> @@ -40,8 +41,6 @@
> #include "exynos_drm_drv.h"
> #include "exynos_drm_hdmi.h"
>
> -#include "exynos_hdmi.h"
> -
> #include <linux/gpio.h>
> #include <media/s5p_hdmi.h>
>
> @@ -1855,20 +1854,6 @@ fail:
> return -ENODEV;
> }
>
> -static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy;
> -
> -void hdmi_attach_ddc_client(struct i2c_client *ddc)
> -{
> - if (ddc)
> - hdmi_ddc = ddc;
> -}
> -
> -void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
> -{
> - if (hdmiphy)
> - hdmi_hdmiphy = hdmiphy;
> -}
> -
> static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
> (struct device *dev)
> {
> @@ -1913,6 +1898,7 @@ static int hdmi_probe(struct platform_device *pdev)
> struct s5p_hdmi_platform_data *pdata;
> struct resource *res;
> const struct of_device_id *match;
> + struct device_node *ddc_node, *phy_node;
> int ret;
>
> if (!dev->of_node)
> @@ -1963,21 +1949,30 @@ static int hdmi_probe(struct platform_device *pdev)
> }
>
> /* DDC i2c driver */
> - if (i2c_add_driver(&ddc_driver)) {
> - DRM_ERROR("failed to register ddc i2c driver\n");
> - return -ENOENT;
> + ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
> + if (!ddc_node) {
> + DRM_ERROR("Failed to find ddc node in device tree\n");
> + return -ENODEV;
> + }
> + hdata->ddc_port = of_find_i2c_device_by_node(ddc_node);
As Tomasz commented, it would better to get i2c_adapter instead of i2c_client.
> + if (!hdata->ddc_port) {
> + DRM_ERROR("Failed to get ddc i2c client by node\n");
> + return -ENODEV;
> }
> -
> - hdata->ddc_port = hdmi_ddc;
>
> /* hdmiphy i2c driver */
> - if (i2c_add_driver(&hdmiphy_driver)) {
> - DRM_ERROR("failed to register hdmiphy i2c driver\n");
> - ret = -ENOENT;
> + phy_node = of_parse_phandle(dev->of_node, "phy", 0);
> + if (!phy_node) {
> + DRM_ERROR("Failed to find hdmiphy node in device tree\n");
> + ret = -ENODEV;
> + goto err_ddc;
> + }
> + hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
You should also consider other SoCs having APB PHY, not I2C PHY.
Actually, Exynos5420 SoC has APB PHY.
Thanks,
Inki Dae
> + if (!hdata->hdmiphy_port) {
> + DRM_ERROR("Failed to get hdmi phy i2c client from node\n");
> + ret = -ENODEV;
> goto err_ddc;
> }
> -
> - hdata->hdmiphy_port = hdmi_hdmiphy;
>
> hdata->irq = gpio_to_irq(hdata->hpd_gpio);
> if (hdata->irq < 0) {
> @@ -2008,22 +2003,22 @@ static int hdmi_probe(struct platform_device *pdev)
> return 0;
>
> err_hdmiphy:
> - i2c_del_driver(&hdmiphy_driver);
> + put_device(&hdata->hdmiphy_port->dev);
> err_ddc:
> - i2c_del_driver(&ddc_driver);
> + put_device(&hdata->ddc_port->dev);
> return ret;
> }
>
> static int hdmi_remove(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> + struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev);
> + struct hdmi_context *hdata = ctx->ctx;
>
> pm_runtime_disable(dev);
>
> - /* hdmiphy i2c driver */
> - i2c_del_driver(&hdmiphy_driver);
> - /* DDC i2c driver */
> - i2c_del_driver(&ddc_driver);
> + put_device(&hdata->hdmiphy_port->dev);
> + put_device(&hdata->ddc_port->dev);
>
> return 0;
> }
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.h b/drivers/gpu/drm/exynos/exynos_hdmi.h
> deleted file mode 100644
> index 0ddf395..0000000
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.h
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -/*
> - *
> - * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> - * Authors:
> - * Inki Dae <inki.dae@samsung.com>
> - * Seung-Woo Kim <sw0312.kim@samsung.com>
> - *
> - * This program is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU General Public License as published by the
> - * Free Software Foundation; either version 2 of the License, or (at your
> - * option) any later version.
> - */
> -
> -#ifndef _EXYNOS_HDMI_H_
> -#define _EXYNOS_HDMI_H_
> -
> -void hdmi_attach_ddc_client(struct i2c_client *ddc);
> -void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy);
> -
> -extern struct i2c_driver hdmiphy_driver;
> -extern struct i2c_driver ddc_driver;
> -
> -#endif
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmiphy.c b/drivers/gpu/drm/exynos/exynos_hdmiphy.c
> deleted file mode 100644
> index 59abb14..0000000
> --- a/drivers/gpu/drm/exynos/exynos_hdmiphy.c
> +++ /dev/null
> @@ -1,65 +0,0 @@
> -/*
> - * Copyright (C) 2011 Samsung Electronics Co.Ltd
> - * Authors:
> - * Seung-Woo Kim <sw0312.kim@samsung.com>
> - * Inki Dae <inki.dae@samsung.com>
> - *
> - * This program is free software; you can redistribute it and/or modify it
> - * under the terms of the GNU General Public License as published by the
> - * Free Software Foundation; either version 2 of the License, or (at your
> - * option) any later version.
> - *
> - */
> -
> -#include <drm/drmP.h>
> -
> -#include <linux/kernel.h>
> -#include <linux/i2c.h>
> -#include <linux/of.h>
> -
> -#include "exynos_drm_drv.h"
> -#include "exynos_hdmi.h"
> -
> -
> -static int hdmiphy_probe(struct i2c_client *client,
> - const struct i2c_device_id *id)
> -{
> - hdmi_attach_hdmiphy_client(client);
> -
> - dev_info(&client->adapter->dev, "attached s5p_hdmiphy "
> - "into i2c adapter successfully\n");
> -
> - return 0;
> -}
> -
> -static int hdmiphy_remove(struct i2c_client *client)
> -{
> - dev_info(&client->adapter->dev, "detached s5p_hdmiphy "
> - "from i2c adapter successfully\n");
> -
> - return 0;
> -}
> -
> -static struct of_device_id hdmiphy_match_types[] = {
> - {
> - .compatible = "samsung,exynos5-hdmiphy",
> - }, {
> - .compatible = "samsung,exynos4210-hdmiphy",
> - }, {
> - .compatible = "samsung,exynos4212-hdmiphy",
> - }, {
> - /* end node */
> - }
> -};
> -
> -struct i2c_driver hdmiphy_driver = {
> - .driver = {
> - .name = "exynos-hdmiphy",
> - .owner = THIS_MODULE,
> - .of_match_table = hdmiphy_match_types,
> - },
> - .probe = hdmiphy_probe,
> - .remove = hdmiphy_remove,
> - .command = NULL,
> -};
> -EXPORT_SYMBOL(hdmiphy_driver);
> --
> 1.8.5.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-08 2:48 ` Tomasz Figa
@ 2014-02-27 4:43 ` Inki Dae
2014-02-27 13:49 ` Tomasz Figa
0 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-02-27 4:43 UTC (permalink / raw)
To: Tomasz Figa; +Cc: Stéphane Marchesin, DRI mailing list
Hi Tomasz,
2014-02-08 11:48 GMT+09:00 Tomasz Figa <tomasz.figa@gmail.com>:
> On 06.02.2014 20:54, Olof Johansson wrote:
>>
>> On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org> wrote:
>>>
>>> This patchset refactors parts of the exynos driver to move it closer to a
>>> proper
>>> drm driver (rather than just implementing a drm layer on top of the
>>> hardware
>>> drivers). The hope is to get to a point where the dp/hdmi drivers can
>>> implement
>>> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
>>> drm_crtc.
>>>
>>> The notable changes in this set:
>>> - drm_encoder funcs no longer route through the crtc
>>> - DP driver has been moved from video into the drm driver
>>> - fimd no longer implements encoder callbacks
>>> - exynos_drm_hdmi is removed in favor of generic manager/display
>>> handling
>>>
>>> At a glance, differences between v1 and v2:
>>> - Passing manager/display in callbacks instead of ctx
>>> - Tacked on some dpms patches on the end to handle
>>> suspend/resume
>>> through the dpms path
>>>
>>> At a glance, differences between v2 and v3:
>>> - Fixed vidi issues
>>> - Moved exynos_drm_hdmi.c removal to the right place
>>> - Added the exynos_drm_connector removal patches on the end
>>>
>>> At a glance, differences between v3 and v4:
>>> - Rebased on top of exynos-drm-next
>>> - Addressed review comments, no major functional changes
>>>
>>> Sean
>>
>>
>> Even if there is room for even more cleanups and refactorings on top
>> of this, it's good enough as a base and keeping it out of tree is
>> hurting productivity and usefulness for everybody. Let's get this
>> merged for 3.15 so that we can make progress with the rest of the
>> platform!
>
>
> I wouldn't be overly excited about merging this series yet...
>
> If I have applied it correctly (and I believe so, as reading the code tells
> me the same), it introduces a regression due to removal of support of
> standard parallel displays from FIMD driver.
>
> I had mentioned this in my review comments for previous version, but
> apparently I got ignored. Please fix this.
>
Right, and also some my comments. Sean should have commented his
opinions even if our comments aren't reasonable to him.
I sent a email about the progress of this refactoring patch series to
Sean and Olof personally because there was no any follow-up action for
about two months since v3 had been posted, and I found out that Sean
was busy with other works.
And there are no any his comments until now so I'd like to believe
Sean would still be busy. So I already started to clean up and enhance
Exynos drm framework using the component framework for super device
posted by Russell like below,
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a41e6070dd7ef539d0f3b1652b4839d04378e11
Last month, Russell had posted this framework, and it has been merged
to mainline. This provides a generic way to gather up the individual
sub devices together using super node?? (not sure if it's a proper
expression) of device tree.
With this, we could remove existing exynos_drm_core.c and I guess we
could also resolve your concern about dt broken this time.
The patch series I'm preparing will go to on top of Sean's refactoring
patch series.
Thanks,
Inki Dae
> Best regards,
> Tomasz
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-27 4:43 ` Inki Dae
@ 2014-02-27 13:49 ` Tomasz Figa
2014-02-27 17:09 ` Inki Dae
0 siblings, 1 reply; 62+ messages in thread
From: Tomasz Figa @ 2014-02-27 13:49 UTC (permalink / raw)
To: Inki Dae
Cc: Tomasz Stanisławski, DRI mailing list, Andrzej Hajda,
Stéphane Marchesin
Hi Inki,
On 27.02.2014 05:43, Inki Dae wrote:
> Hi Tomasz,
>
>
> 2014-02-08 11:48 GMT+09:00 Tomasz Figa <tomasz.figa@gmail.com>:
>> On 06.02.2014 20:54, Olof Johansson wrote:
>>>
>>> On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org> wrote:
>>>>
>>>> This patchset refactors parts of the exynos driver to move it closer to a
>>>> proper
>>>> drm driver (rather than just implementing a drm layer on top of the
>>>> hardware
>>>> drivers). The hope is to get to a point where the dp/hdmi drivers can
>>>> implement
>>>> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
>>>> drm_crtc.
>>>>
>>>> The notable changes in this set:
>>>> - drm_encoder funcs no longer route through the crtc
>>>> - DP driver has been moved from video into the drm driver
>>>> - fimd no longer implements encoder callbacks
>>>> - exynos_drm_hdmi is removed in favor of generic manager/display
>>>> handling
>>>>
>>>> At a glance, differences between v1 and v2:
>>>> - Passing manager/display in callbacks instead of ctx
>>>> - Tacked on some dpms patches on the end to handle
>>>> suspend/resume
>>>> through the dpms path
>>>>
>>>> At a glance, differences between v2 and v3:
>>>> - Fixed vidi issues
>>>> - Moved exynos_drm_hdmi.c removal to the right place
>>>> - Added the exynos_drm_connector removal patches on the end
>>>>
>>>> At a glance, differences between v3 and v4:
>>>> - Rebased on top of exynos-drm-next
>>>> - Addressed review comments, no major functional changes
>>>>
>>>> Sean
>>>
>>>
>>> Even if there is room for even more cleanups and refactorings on top
>>> of this, it's good enough as a base and keeping it out of tree is
>>> hurting productivity and usefulness for everybody. Let's get this
>>> merged for 3.15 so that we can make progress with the rest of the
>>> platform!
>>
>>
>> I wouldn't be overly excited about merging this series yet...
>>
>> If I have applied it correctly (and I believe so, as reading the code tells
>> me the same), it introduces a regression due to removal of support of
>> standard parallel displays from FIMD driver.
>>
>> I had mentioned this in my review comments for previous version, but
>> apparently I got ignored. Please fix this.
>>
>
> Right, and also some my comments. Sean should have commented his
> opinions even if our comments aren't reasonable to him.
>
> I sent a email about the progress of this refactoring patch series to
> Sean and Olof personally because there was no any follow-up action for
> about two months since v3 had been posted, and I found out that Sean
> was busy with other works.
>
> And there are no any his comments until now so I'd like to believe
> Sean would still be busy. So I already started to clean up and enhance
> Exynos drm framework using the component framework for super device
> posted by Russell like below,
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a41e6070dd7ef539d0f3b1652b4839d04378e11
>
> Last month, Russell had posted this framework, and it has been merged
> to mainline. This provides a generic way to gather up the individual
> sub devices together using super node?? (not sure if it's a proper
> expression) of device tree.
> With this, we could remove existing exynos_drm_core.c and I guess we
> could also resolve your concern about dt broken this time.
>
> The patch series I'm preparing will go to on top of Sean's refactoring
> patch series.
Andrzej Hajda from our team is already working on addressing remaining
issues with Sean's series, including fixing removed parallel display
support. Earlier this month he sent a series restoring support for DSI
panels: http://thread.gmane.org/gmane.linux.kernel.samsung-soc/27044 .
Now he's also trying to make the design more modular. He will give you
more information on Monday, as he's on holiday for next two days.
Also Tomasz Stanislawski will have some patches to enable HDMI support
using Exynos DRM on Exynos 4 SoCs on top of this series, along with
reworking Sean's and Daniel's patch for HDMI driver's DT bindings as he
mentioned in reply to other message of this thread.
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-27 13:49 ` Tomasz Figa
@ 2014-02-27 17:09 ` Inki Dae
2014-02-28 2:28 ` Inki Dae
0 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-02-27 17:09 UTC (permalink / raw)
To: Tomasz Figa
Cc: Tomasz Stanisławski, Stéphane Marchesin,
DRI mailing list, Andrzej Hajda
[-- Attachment #1.1: Type: text/plain, Size: 5306 bytes --]
2014년 2월 27일 목요일, Tomasz Figa<t.figa@samsung.com>님이 작성한 메시지:
> Hi Inki,
>
> On 27.02.2014 05:43, Inki Dae wrote:
>
>> Hi Tomasz,
>>
>>
>> 2014-02-08 11:48 GMT+09:00 Tomasz Figa <tomasz.figa@gmail.com>:
>>
>>> On 06.02.2014 20:54, Olof Johansson wrote:
>>>
>>>>
>>>> On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org>
>>>> wrote:
>>>>
>>>>>
>>>>> This patchset refactors parts of the exynos driver to move it closer
>>>>> to a
>>>>> proper
>>>>> drm driver (rather than just implementing a drm layer on top of the
>>>>> hardware
>>>>> drivers). The hope is to get to a point where the dp/hdmi drivers can
>>>>> implement
>>>>> drm_connector/drm_encoder directly, and fimd/mixer can directly
>>>>> implement
>>>>> drm_crtc.
>>>>>
>>>>> The notable changes in this set:
>>>>> - drm_encoder funcs no longer route through the crtc
>>>>> - DP driver has been moved from video into the drm driver
>>>>> - fimd no longer implements encoder callbacks
>>>>> - exynos_drm_hdmi is removed in favor of generic
>>>>> manager/display
>>>>> handling
>>>>>
>>>>> At a glance, differences between v1 and v2:
>>>>> - Passing manager/display in callbacks instead of ctx
>>>>> - Tacked on some dpms patches on the end to handle
>>>>> suspend/resume
>>>>> through the dpms path
>>>>>
>>>>> At a glance, differences between v2 and v3:
>>>>> - Fixed vidi issues
>>>>> - Moved exynos_drm_hdmi.c removal to the right place
>>>>> - Added the exynos_drm_connector removal patches on the end
>>>>>
>>>>> At a glance, differences between v3 and v4:
>>>>> - Rebased on top of exynos-drm-next
>>>>> - Addressed review comments, no major functional changes
>>>>>
>>>>> Sean
>>>>>
>>>>
>>>>
>>>> Even if there is room for even more cleanups and refactorings on top
>>>> of this, it's good enough as a base and keeping it out of tree is
>>>> hurting productivity and usefulness for everybody. Let's get this
>>>> merged for 3.15 so that we can make progress with the rest of the
>>>> platform!
>>>>
>>>
>>>
>>> I wouldn't be overly excited about merging this series yet...
>>>
>>> If I have applied it correctly (and I believe so, as reading the code
>>> tells
>>> me the same), it introduces a regression due to removal of support of
>>> standard parallel displays from FIMD driver.
>>>
>>> I had mentioned this in my review comments for previous version, but
>>> apparently I got ignored. Please fix this.
>>>
>>>
>> Right, and also some my comments. Sean should have commented his
>> opinions even if our comments aren't reasonable to him.
>>
>> I sent a email about the progress of this refactoring patch series to
>> Sean and Olof personally because there was no any follow-up action for
>> about two months since v3 had been posted, and I found out that Sean
>> was busy with other works.
>>
>> And there are no any his comments until now so I'd like to believe
>> Sean would still be busy. So I already started to clean up and enhance
>> Exynos drm framework using the component framework for super device
>> posted by Russell like below,
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/
>> linux.git/commit/?id=2a41e6070dd7ef539d0f3b1652b4839d04378e11
>>
>> Last month, Russell had posted this framework, and it has been merged
>> to mainline. This provides a generic way to gather up the individual
>> sub devices together using super node?? (not sure if it's a proper
>> expression) of device tree.
>> With this, we could remove existing exynos_drm_core.c and I guess we
>> could also resolve your concern about dt broken this time.
>>
>> The patch series I'm preparing will go to on top of Sean's refactoring
>> patch series.
>>
>
> Andrzej Hajda from our team is already working on addressing remaining
> issues with Sean's series, including fixing removed parallel display
> support. Earlier this month he sent a series restoring support for DSI
> panels: http://thread.gmane.org/gmane.<http://thread.gmane.org/gmane.linux.kernel.samsung-soc/27044>
<http://thread.gmane.org/gmane.linux.kernel.samsung-soc/27044>
Already merged to internal kernel for test.
> linux.kernel.samsung-soc/27044<http://thread.gmane.org/gmane.linux.kernel.samsung-soc/27044>. Now he's also trying to make the design more modular. He will give you
> more information on Monday, as he's on holiday for next two days.
>
> Also Tomasz Stanislawski will have some patches to enable HDMI support
> using Exynos DRM on Exynos 4 SoCs on top of this series, along with
> reworking Sean's and Daniel's patch for HDMI driver's DT bindings as he
> mentioned in reply to other message of this thread.
>
>
Ok, I'll wait for above patch sets. I have already implemented the
component patch series for supporting super device so I planned to post it
at end of this week. Will rebase it on top of above patch sets if posted.
Thanks,
Inki Dae
> Best regards,
> Tomasz
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>
[-- Attachment #1.2: Type: text/html, Size: 7170 bytes --]
[-- Attachment #2: Type: text/plain, Size: 159 bytes --]
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-27 17:09 ` Inki Dae
@ 2014-02-28 2:28 ` Inki Dae
2014-03-04 11:03 ` Andrzej Hajda
0 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-02-28 2:28 UTC (permalink / raw)
To: Tomasz Figa
Cc: Tomasz Stanisławski, Stéphane Marchesin,
DRI mailing list, Andrzej Hajda
Oops, sorry for non text message. Just FW. My email client of IPAD air
sent non text email.
2014-02-28 2:09 GMT+09:00 Inki Dae <inki.dae@samsung.com>:
2014년 2월 27일 목요일, Tomasz Figa<t.figa@samsung.com>님이 작성한 메시지:
> Hi Inki,
>
> On 27.02.2014 05:43, Inki Dae wrote:
>>
>> Hi Tomasz,
>>
>>
>> 2014-02-08 11:48 GMT+09:00 Tomasz Figa <tomasz.figa@gmail.com>:
>>>
>>> On 06.02.2014 20:54, Olof Johansson wrote:
>>>>
>>>>
>>>> On Thu, Jan 30, 2014 at 1:18 PM, Sean Paul <seanpaul@chromium.org>
>>>> wrote:
>>>>>
>>>>>
>>>>> This patchset refactors parts of the exynos driver to move it closer
>>>>> to a
>>>>> proper
>>>>> drm driver (rather than just implementing a drm layer on top of the
>>>>> hardware
>>>>> drivers). The hope is to get to a point where the dp/hdmi drivers can
>>>>> implement
>>>>> drm_connector/drm_encoder directly, and fimd/mixer can directly
>>>>> implement
>>>>> drm_crtc.
>>>>>
>>>>> The notable changes in this set:
>>>>> - drm_encoder funcs no longer route through the crtc
>>>>> - DP driver has been moved from video into the drm driver
>>>>> - fimd no longer implements encoder callbacks
>>>>> - exynos_drm_hdmi is removed in favor of generic
>>>>> manager/display
>>>>> handling
>>>>>
>>>>> At a glance, differences between v1 and v2:
>>>>> - Passing manager/display in callbacks instead of ctx
>>>>> - Tacked on some dpms patches on the end to handle
>>>>> suspend/resume
>>>>> through the dpms path
>>>>>
>>>>> At a glance, differences between v2 and v3:
>>>>> - Fixed vidi issues
>>>>> - Moved exynos_drm_hdmi.c removal to the right place
>>>>> - Added the exynos_drm_connector removal patches on the end
>>>>>
>>>>> At a glance, differences between v3 and v4:
>>>>> - Rebased on top of exynos-drm-next
>>>>> - Addressed review comments, no major functional changes
>>>>>
>>>>> Sean
>>>>
>>>>
>>>>
>>>> Even if there is room for even more cleanups and refactorings on top
>>>> of this, it's good enough as a base and keeping it out of tree is
>>>> hurting productivity and usefulness for everybody. Let's get this
>>>> merged for 3.15 so that we can make progress with the rest of the
>>>> platform!
>>>
>>>
>>>
>>> I wouldn't be overly excited about merging this series yet...
>>>
>>> If I have applied it correctly (and I believe so, as reading the code
>>> tells
>>> me the same), it introduces a regression due to removal of support of
>>> standard parallel displays from FIMD driver.
>>>
>>> I had mentioned this in my review comments for previous version, but
>>> apparently I got ignored. Please fix this.
>>>
>>
>> Right, and also some my comments. Sean should have commented his
>> opinions even if our comments aren't reasonable to him.
>>
>> I sent a email about the progress of this refactoring patch series to
>> Sean and Olof personally because there was no any follow-up action for
>> about two months since v3 had been posted, and I found out that Sean
>> was busy with other works.
>>
>> And there are no any his comments until now so I'd like to believe
>> Sean would still be busy. So I already started to clean up and enhance
>> Exynos drm framework using the component framework for super device
>> posted by Russell like below,
>>
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a41e6070dd7ef539d0f3b1652b4839d04378e11
>>
>> Last month, Russell had posted this framework, and it has been merged
>> to mainline. This provides a generic way to gather up the individual
>> sub devices together using super node?? (not sure if it's a proper
>> expression) of device tree.
>> With this, we could remove existing exynos_drm_core.c and I guess we
>> could also resolve your concern about dt broken this time.
>>
>> The patch series I'm preparing will go to on top of Sean's refactoring
>> patch series.
>
>
> Andrzej Hajda from our team is already working on addressing remaining
> issues with Sean's series, including fixing removed parallel display
> support. Earlier this month he sent a series restoring support for DSI
> panels: http://thread.gmane.org/gmane.
Already merged to internal kernel for test.
>
> linux.kernel.samsung-soc/27044 . Now he's also trying to make the design
> more modular. He will give you more information on Monday, as he's on
> holiday for next two days.
>
> Also Tomasz Stanislawski will have some patches to enable HDMI support
> using Exynos DRM on Exynos 4 SoCs on top of this series, along with
> reworking Sean's and Daniel's patch for HDMI driver's DT bindings as he
> mentioned in reply to other message of this thread.
>
Ok, I'll wait for above patch sets. I have already implemented the component
patch series for supporting super device so I planned to post it at end of
this week. Will rebase it on top of above patch sets if posted.
Thanks,
Inki Dae
>
> Best regards,
> Tomasz
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-02-28 2:28 ` Inki Dae
@ 2014-03-04 11:03 ` Andrzej Hajda
2014-03-04 13:57 ` Inki Dae
0 siblings, 1 reply; 62+ messages in thread
From: Andrzej Hajda @ 2014-03-04 11:03 UTC (permalink / raw)
To: Inki Dae, Tomasz Figa
Cc: Tomasz Stanisławski, Stéphane Marchesin, DRI mailing list
Hi Inki,
On 02/28/2014 03:28 AM, Inki Dae wrote:
(...)
>
> Andrzej Hajda from our team is already working on addressing remaining
> issues with Sean's series, including fixing removed parallel display
> support. Earlier this month he sent a series restoring support for DSI
> panels: http://thread.gmane.org/gmane.
>
> Already merged to internal kernel for test.
>
>> linux.kernel.samsung-soc/27044 . Now he's also trying to make the design
>> more modular. He will give you more information on Monday, as he's on
>> holiday for next two days.
Thanks Tomasz for pointing it out. I try to properly restore parallel
panel support.
I have come to the conclusion that the most natural way is to implement
crtc/encoder/connector in FIMD, as the FIMD directly produces
parallel RGB stream (or I80 in command mode).
I think implementing crtc/encoder/connector in FIMD in case of DSI and
eDP panel
is also more natural. In such case I would convert DSIM, eDP and ptn3460
to drm_panel
framework similarly as I already did for TC358764 DSI/LVDS bridge.
Here are different scenarios of HW pipelines:
1. Parallel panel:
FIMD ---> Parallel Panel
2. DSI panel:
FIMD ---> DSIM ---> DSI Panel
3. Arndale:
FIMD ---> DSIM ---> DSI/LVDS bridge ---> LVDS panel
4. Snow:
FIMD ---> eDP ---> eDP/LVDS bridge ---> LVDS panel
5. In case mobile image enhancer(MIE) will be used pipeline can be
extended to:
FIMD ---> MIE ---> DSIM ---> .....
or
FIMD ---> MIE ---> eDP ---> .....
Pros of implementing all drm components (crtc,encoder,connector) in
FIMD, and using
drm_panel framework for panels, DSIM, eDP and external bridges:
- it is natural, FIMD produces already encoded stream, DSIM and eDP are
just optional
converters,
- easy to extend, adding/removing image processors or bridges will
require only changing
video paths in DTS (in addition to adding device nodes),
- consistency.
What do you think about it?
Anyway the patch adding parallel support with current design should be
ready soon.
Regards
Andrzej
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-03-04 11:03 ` Andrzej Hajda
@ 2014-03-04 13:57 ` Inki Dae
2014-03-06 15:39 ` Andrzej Hajda
0 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-03-04 13:57 UTC (permalink / raw)
To: Andrzej Hajda
Cc: Tomasz Stanisławski, Stéphane Marchesin, DRI mailing list
Hi Andrzej,
2014-03-04 20:03 GMT+09:00 Andrzej Hajda <a.hajda@samsung.com>:
> Hi Inki,
>
> On 02/28/2014 03:28 AM, Inki Dae wrote:
> (...)
>>
>> Andrzej Hajda from our team is already working on addressing remaining
>> issues with Sean's series, including fixing removed parallel display
>> support. Earlier this month he sent a series restoring support for DSI
>> panels: http://thread.gmane.org/gmane.
>>
>> Already merged to internal kernel for test.
>>
>>> linux.kernel.samsung-soc/27044 . Now he's also trying to make the design
>>> more modular. He will give you more information on Monday, as he's on
>>> holiday for next two days.
> Thanks Tomasz for pointing it out. I try to properly restore parallel
> panel support.
> I have come to the conclusion that the most natural way is to implement
> crtc/encoder/connector in FIMD, as the FIMD directly produces
> parallel RGB stream (or I80 in command mode).
> I think implementing crtc/encoder/connector in FIMD in case of DSI and
> eDP panel
> is also more natural. In such case I would convert DSIM, eDP and ptn3460
> to drm_panel
> framework similarly as I already did for TC358764 DSI/LVDS bridge.
In case of some machines without MIPI-DSI like below,
FIMD------>Parallel Panel
There wouldn't be proper place for implementing a connector and a
encoder. I guess your conclusion results from such cases.
But how should we handle eDP if connector and encoder are implemented
only in FIMD driver?
eDP can be hot-plugged and the hot-plug function will be handled by
interrupt handler of eDP driver. This would mean that the hardware
resource to the hot-plug belongs to eDP ip, and also its own connector
should be implemented in eDP driver to detect the connection.
>
> Here are different scenarios of HW pipelines:
> 1. Parallel panel:
> FIMD ---> Parallel Panel
> 2. DSI panel:
> FIMD ---> DSIM ---> DSI Panel
> 3. Arndale:
> FIMD ---> DSIM ---> DSI/LVDS bridge ---> LVDS panel
> 4. Snow:
> FIMD ---> eDP ---> eDP/LVDS bridge ---> LVDS panel
> 5. In case mobile image enhancer(MIE) will be used pipeline can be
> extended to:
> FIMD ---> MIE ---> DSIM ---> .....
> or
> FIMD ---> MIE ---> eDP ---> .....
>
Other scenarios,
FIMD----->LVDS bridge----->LVDS panel
Actually, I had used above machine, Geminus.
And in case of Exynos4 series, it's more complicated,
FIMD----->mDNIe------>FIMD-Lite------>Parallel Panel
FIMD----->mDNIe------>FIMD-Lite------>MIPI-DSI------>DSI Panel
...
However, mDNIe ip isn't opened in public and also maybe continue so I
think Exynos drm driver doesn't need to cover such cases.
> Pros of implementing all drm components (crtc,encoder,connector) in
> FIMD, and using
> drm_panel framework for panels, DSIM, eDP and external bridges:
> - it is natural, FIMD produces already encoded stream, DSIM and eDP are
> just optional
> converters,
> - easy to extend, adding/removing image processors or bridges will
> require only changing
> video paths in DTS (in addition to adding device nodes),
> - consistency.
>
> What do you think about it?
>
I think it's a good idea but corner case still exists as mentioned
earlier. How about implementing connector and encoder in panel driver
in case of machines not using MIPI-DSI and eDP? And in case of
machines using MIPI-DSI and eDP, connector and encoder are implemented
in their drivers as now.
In case of using parallel panel, we could declare super device node
for Exynos drm like below,
exynos-drm {
compatible = "samsung,exynos-drm";
crtcs = <&fimd>;
connectors = <&panel>;
};
connectors could be Panel, eDP, HDMI, and MIPI-DSI.
Current Exynos drm driver would assume that parallel panel is always
on so we could find a good way somehow.
Thanks,
Inki Dae
> Anyway the patch adding parallel support with current design should be
> ready soon.
>
>
> Regards
> Andrzej
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-03-04 13:57 ` Inki Dae
@ 2014-03-06 15:39 ` Andrzej Hajda
0 siblings, 0 replies; 62+ messages in thread
From: Andrzej Hajda @ 2014-03-06 15:39 UTC (permalink / raw)
To: Inki Dae
Cc: Tomasz Stanisławski, Stéphane Marchesin, DRI mailing list
On 03/04/2014 02:57 PM, Inki Dae wrote:
> Hi Andrzej,
>
>
> 2014-03-04 20:03 GMT+09:00 Andrzej Hajda <a.hajda@samsung.com>:
>> Hi Inki,
>>
>> On 02/28/2014 03:28 AM, Inki Dae wrote:
>> (...)
>>> Andrzej Hajda from our team is already working on addressing remaining
>>> issues with Sean's series, including fixing removed parallel display
>>> support. Earlier this month he sent a series restoring support for DSI
>>> panels: http://thread.gmane.org/gmane.
>>>
>>> Already merged to internal kernel for test.
>>>
>>>> linux.kernel.samsung-soc/27044 . Now he's also trying to make the design
>>>> more modular. He will give you more information on Monday, as he's on
>>>> holiday for next two days.
>> Thanks Tomasz for pointing it out. I try to properly restore parallel
>> panel support.
>> I have come to the conclusion that the most natural way is to implement
>> crtc/encoder/connector in FIMD, as the FIMD directly produces
>> parallel RGB stream (or I80 in command mode).
>> I think implementing crtc/encoder/connector in FIMD in case of DSI and
>> eDP panel
>> is also more natural. In such case I would convert DSIM, eDP and ptn3460
>> to drm_panel
>> framework similarly as I already did for TC358764 DSI/LVDS bridge.
> In case of some machines without MIPI-DSI like below,
> FIMD------>Parallel Panel
>
> There wouldn't be proper place for implementing a connector and a
> encoder. I guess your conclusion results from such cases.
Yes, this case has inspired me to re-think about proper placement for
drm_encoder and drm_connector in case of different HW pipelines.
Problem is that we can have arbitrary number of hw components
in the pipeline and we have only three drm components:
drm_crtc, drm_encoder, drm_connector. I skip drm_bridge as it is
in fact optional extra encoder, so it can be helpful in specific cases
but in
general it just complicates things IMHO.
The solution I see is to represent all encoders/bridges/image processors
present in the pipeline as a single drm_encoder, which encodes from
format provided to the
first element and produces format provided by the last one. The last
element of the pipeline
can be treated as drm_connector.
Additionally it would be nice to make possible to create all drm components
from video pipeline description provided by device tree.
If we start such pipeline creation from FIMD node, if code finds there
is any outgoing
video link from FIMD node it should create drm_encoder/drm_connector pair,
and attach device pointed by this link to that pair. Next attached
device should attach
devices pointed by its outgoing links and so on till there are no out links.
This is my rough idea, what do you think about it?
>
> But how should we handle eDP if connector and encoder are implemented
> only in FIMD driver?
> eDP can be hot-plugged and the hot-plug function will be handled by
> interrupt handler of eDP driver. This would mean that the hardware
> resource to the hot-plug belongs to eDP ip, and also its own connector
> should be implemented in eDP driver to detect the connection.
drm_panel has access to its connector and drm_dev, so after
extending drm_panel_funcs with 'detect' callback it should work.
>> Here are different scenarios of HW pipelines:
>> 1. Parallel panel:
>> FIMD ---> Parallel Panel
>> 2. DSI panel:
>> FIMD ---> DSIM ---> DSI Panel
>> 3. Arndale:
>> FIMD ---> DSIM ---> DSI/LVDS bridge ---> LVDS panel
>> 4. Snow:
>> FIMD ---> eDP ---> eDP/LVDS bridge ---> LVDS panel
>> 5. In case mobile image enhancer(MIE) will be used pipeline can be
>> extended to:
>> FIMD ---> MIE ---> DSIM ---> .....
>> or
>> FIMD ---> MIE ---> eDP ---> .....
>>
> Other scenarios,
> FIMD----->LVDS bridge----->LVDS panel
>
> Actually, I had used above machine, Geminus.
>
>
> And in case of Exynos4 series, it's more complicated,
>
> FIMD----->mDNIe------>FIMD-Lite------>Parallel Panel
> FIMD----->mDNIe------>FIMD-Lite------>MIPI-DSI------>DSI Panel
> ...
>
> However, mDNIe ip isn't opened in public and also maybe continue so I
> think Exynos drm driver doesn't need to cover such cases.
It is available on some cyanogen repos, so theoretically it is possible
someone can try to implement it in mainline :)
>
>> Pros of implementing all drm components (crtc,encoder,connector) in
>> FIMD, and using
>> drm_panel framework for panels, DSIM, eDP and external bridges:
>> - it is natural, FIMD produces already encoded stream, DSIM and eDP are
>> just optional
>> converters,
>> - easy to extend, adding/removing image processors or bridges will
>> require only changing
>> video paths in DTS (in addition to adding device nodes),
>> - consistency.
>>
>> What do you think about it?
>>
> I think it's a good idea but corner case still exists as mentioned
> earlier. How about implementing connector and encoder in panel driver
> in case of machines not using MIPI-DSI and eDP? And in case of
> machines using MIPI-DSI and eDP, connector and encoder are implemented
> in their drivers as now.
For now it is OK for me, but I prefer to put the encoder/connector into
fimd, as drm_panel framework assumes connector is already created
when panel is attached to the drm.
>
> In case of using parallel panel, we could declare super device node
> for Exynos drm like below,
>
> exynos-drm {
> compatible = "samsung,exynos-drm";
> crtcs = <&fimd>;
> connectors = <&panel>;
> };
>
> connectors could be Panel, eDP, HDMI, and MIPI-DSI.
OK, it will allow avoid deferred probing.
Regards
Andrzej
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
` (35 preceding siblings ...)
2014-02-07 10:29 ` Tomasz Figa
@ 2014-03-13 7:33 ` Inki Dae
2014-03-13 14:05 ` Tomasz Figa
36 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-03-13 7:33 UTC (permalink / raw)
To: Sean Paul; +Cc: Stéphane Marchesin, DRI mailing list
Hi Sean,
Merged your all patch series except for dt binding patches - it needs
more cleanups about ddc and phy - and I had a little change just for
cleanup.
And some more cleanups and enhanced feature set on top of your patch
series would be merged, and then they will go to -next.
Thanks,
Inki Dae
2014-01-31 6:18 GMT+09:00 Sean Paul <seanpaul@chromium.org>:
> This patchset refactors parts of the exynos driver to move it closer to a proper
> drm driver (rather than just implementing a drm layer on top of the hardware
> drivers). The hope is to get to a point where the dp/hdmi drivers can implement
> drm_connector/drm_encoder directly, and fimd/mixer can directly implement
> drm_crtc.
>
> The notable changes in this set:
> - drm_encoder funcs no longer route through the crtc
> - DP driver has been moved from video into the drm driver
> - fimd no longer implements encoder callbacks
> - exynos_drm_hdmi is removed in favor of generic manager/display
> handling
>
> At a glance, differences between v1 and v2:
> - Passing manager/display in callbacks instead of ctx
> - Tacked on some dpms patches on the end to handle suspend/resume
> through the dpms path
>
> At a glance, differences between v2 and v3:
> - Fixed vidi issues
> - Moved exynos_drm_hdmi.c removal to the right place
> - Added the exynos_drm_connector removal patches on the end
>
> At a glance, differences between v3 and v4:
> - Rebased on top of exynos-drm-next
> - Addressed review comments, no major functional changes
>
> Sean
>
>
>
> Daniel Kurtz (1):
> drm/exynos: hdmi: remove the i2c drivers and use devtree
>
> Sean Paul (32):
> drm/exynos: Rename hdmi_infoframe to avoid collision
> drm/exynos: Merge overlay_ops into manager_ops
> drm/exynos: Add an initialize function to manager and display
> drm/exynos: Use manager_op initialize in fimd
> drm/exynos: hdmi: Implement initialize op for hdmi
> drm/exynos: Pass exynos_drm_manager in manager ops instead of dev
> drm/exynos: Remove apply manager callback
> drm/exynos: Remove dpms link between encoder/connector
> drm/exynos: Rename display_op power_on to dpms
> drm/exynos: Don't keep dpms state in encoder
> drm/exynos: Use unsigned long for possible_crtcs
> drm/exynos: Split manager/display/subdrv
> ARM: dts: exynos: Add i2c phandles to hdmi node
> drm/exynos: Remove exynos_drm_hdmi shim
> drm/exynos: Use drm_mode_copy to copy modes
> drm/exynos: Disable unused crtc planes from crtc
> drm/exynos: Add mode_set manager operation
> drm/exynos: Implement mode_fixup manager operation
> drm/exynos: Use mode_set to configure fimd
> drm/exynos: Remove unused/useless fimd_context members
> drm/exynos: Move dp driver from video/ to drm/
> drm/exynos: Move display implementation into dp
> ARM: dts: Move display-timings node from fimd to dp
> drm/exynos: Implement dpms display callback in DP
> drm/exynos: Clean up FIMD power on/off routines
> drm/exynos: Consolidate suspend/resume in drm_drv
> drm/exynos: Add create_connector callback
> drm/exynos: Implement drm_connector in hdmi directly
> drm/exynos: Implement drm_connector directly in dp driver
> drm/exynos: Implement drm_connector directly in vidi driver
> drm/exynos: Move lvds bridge discovery into DP driver
> drm/exynos: Remove the exynos_drm_connector shim
>
> Stéphane Marchesin (1):
> drm/exynos: Remove useless slab.h include
>
> .../devicetree/bindings/video/exynos_dp.txt | 17 +
> .../devicetree/bindings/video/exynos_hdmi.txt | 5 +
> .../devicetree/bindings/video/samsung-fimd.txt | 2 +
> MAINTAINERS | 7 -
> arch/arm/boot/dts/cros5250-common.dtsi | 6 +-
> arch/arm/boot/dts/exynos5250-arndale.dts | 7 +-
> arch/arm/boot/dts/exynos5250-smdk5250.dts | 13 +-
> arch/arm/boot/dts/exynos5250-snow.dts | 7 +-
> arch/arm/boot/dts/exynos5420-smdk5420.dts | 7 +-
> drivers/gpu/drm/exynos/Kconfig | 7 +
> drivers/gpu/drm/exynos/Makefile | 7 +-
> drivers/gpu/drm/exynos/exynos_ddc.c | 63 -
> drivers/gpu/drm/exynos/exynos_dp_core.c | 1357 ++++++++++++++++++++
> drivers/gpu/drm/exynos/exynos_dp_core.h | 329 +++++
> drivers/gpu/drm/exynos/exynos_dp_reg.c | 1243 ++++++++++++++++++
> drivers/gpu/drm/exynos/exynos_dp_reg.h | 366 ++++++
> drivers/gpu/drm/exynos/exynos_drm_connector.c | 304 -----
> drivers/gpu/drm/exynos/exynos_drm_connector.h | 24 -
> drivers/gpu/drm/exynos/exynos_drm_core.c | 233 ++--
> drivers/gpu/drm/exynos/exynos_drm_crtc.c | 139 +-
> drivers/gpu/drm/exynos/exynos_drm_crtc.h | 20 +-
> drivers/gpu/drm/exynos/exynos_drm_drv.c | 155 ++-
> drivers/gpu/drm/exynos/exynos_drm_drv.h | 154 ++-
> drivers/gpu/drm/exynos/exynos_drm_encoder.c | 357 +----
> drivers/gpu/drm/exynos/exynos_drm_encoder.h | 18 +-
> drivers/gpu/drm/exynos/exynos_drm_fb.c | 4 +-
> drivers/gpu/drm/exynos/exynos_drm_fimd.c | 682 ++++------
> drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 439 -------
> drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 67 -
> drivers/gpu/drm/exynos/exynos_drm_plane.c | 17 +-
> drivers/gpu/drm/exynos/exynos_drm_plane.h | 2 +-
> drivers/gpu/drm/exynos/exynos_drm_vidi.c | 413 +++---
> drivers/gpu/drm/exynos/exynos_hdmi.c | 370 +++---
> drivers/gpu/drm/exynos/exynos_hdmi.h | 23 -
> drivers/gpu/drm/exynos/exynos_hdmiphy.c | 65 -
> drivers/gpu/drm/exynos/exynos_mixer.c | 573 ++++-----
> drivers/gpu/drm/exynos/exynos_mixer.h | 20 +
> drivers/video/exynos/Kconfig | 7 -
> drivers/video/exynos/Makefile | 1 -
> drivers/video/exynos/exynos_dp_core.c | 1156 -----------------
> drivers/video/exynos/exynos_dp_core.h | 320 -----
> drivers/video/exynos/exynos_dp_reg.c | 1243 ------------------
> drivers/video/exynos/exynos_dp_reg.h | 366 ------
> 43 files changed, 4864 insertions(+), 5751 deletions(-)
> delete mode 100644 drivers/gpu/drm/exynos/exynos_ddc.c
> create mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.c
> create mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.h
> create mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.c
> create mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.h
> delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_connector.c
> delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_connector.h
> delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_hdmi.c
> delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_hdmi.h
> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmi.h
> delete mode 100644 drivers/gpu/drm/exynos/exynos_hdmiphy.c
> create mode 100644 drivers/gpu/drm/exynos/exynos_mixer.h
> delete mode 100644 drivers/video/exynos/exynos_dp_core.c
> delete mode 100644 drivers/video/exynos/exynos_dp_core.h
> delete mode 100644 drivers/video/exynos/exynos_dp_reg.c
> delete mode 100644 drivers/video/exynos/exynos_dp_reg.h
>
> --
> 1.8.5.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-03-13 7:33 ` Inki Dae
@ 2014-03-13 14:05 ` Tomasz Figa
2014-03-13 15:48 ` Inki Dae
0 siblings, 1 reply; 62+ messages in thread
From: Tomasz Figa @ 2014-03-13 14:05 UTC (permalink / raw)
To: Inki Dae, Sean Paul; +Cc: Stéphane Marchesin, DRI mailing list
Hi Inki,
On 13.03.2014 08:33, Inki Dae wrote:
> Hi Sean,
>
> Merged your all patch series except for dt binding patches - it needs
> more cleanups about ddc and phy - and I had a little change just for
> cleanup.
> And some more cleanups and enhanced feature set on top of your patch
> series would be merged, and then they will go to -next.
I assume you just applied this series to your tree to a temporary branch
and it won't be merged until are regressions introduced by it are fixed,
right?
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-03-13 14:05 ` Tomasz Figa
@ 2014-03-13 15:48 ` Inki Dae
2014-03-13 18:10 ` Tomasz Figa
0 siblings, 1 reply; 62+ messages in thread
From: Inki Dae @ 2014-03-13 15:48 UTC (permalink / raw)
To: Tomasz Figa; +Cc: Stéphane Marchesin, DRI mailing list
Hi Tomasz,
2014-03-13 23:05 GMT+09:00 Tomasz Figa <t.figa@samsung.com>:
> Hi Inki,
>
>
> On 13.03.2014 08:33, Inki Dae wrote:
>>
>> Hi Sean,
>>
>> Merged your all patch series except for dt binding patches - it needs
>> more cleanups about ddc and phy - and I had a little change just for
>> cleanup.
>> And some more cleanups and enhanced feature set on top of your patch
>> series would be merged, and then they will go to -next.
>
>
> I assume you just applied this series to your tree to a temporary branch and
> it won't be merged until are regressions introduced by it are fixed, right?
Generally right. These has been merged to exynos-drm-next so that
other people can clean up and enhance our driver on top of the
refactoring patch series.
And I'm planning to have pull request if ddc and hdmi phy cleanups are
posted from Tomasz Stanislawski. The only critical thing we should fix
would be hdmi dt broken issue.
Give me more comments if there is any critical issue we should fix for
this cycle.
Thanks,
Inki Dae
>
> Best regards,
> Tomasz
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-03-13 15:48 ` Inki Dae
@ 2014-03-13 18:10 ` Tomasz Figa
2014-03-14 11:02 ` Inki Dae
0 siblings, 1 reply; 62+ messages in thread
From: Tomasz Figa @ 2014-03-13 18:10 UTC (permalink / raw)
To: Inki Dae; +Cc: Stéphane Marchesin, DRI mailing list
On 13.03.2014 16:48, Inki Dae wrote:
> Hi Tomasz,
>
> 2014-03-13 23:05 GMT+09:00 Tomasz Figa <t.figa@samsung.com>:
>> Hi Inki,
>>
>>
>> On 13.03.2014 08:33, Inki Dae wrote:
>>>
>>> Hi Sean,
>>>
>>> Merged your all patch series except for dt binding patches - it needs
>>> more cleanups about ddc and phy - and I had a little change just for
>>> cleanup.
>>> And some more cleanups and enhanced feature set on top of your patch
>>> series would be merged, and then they will go to -next.
>>
>>
>> I assume you just applied this series to your tree to a temporary branch and
>> it won't be merged until are regressions introduced by it are fixed, right?
>
> Generally right. These has been merged to exynos-drm-next so that
> other people can clean up and enhance our driver on top of the
> refactoring patch series.
> And I'm planning to have pull request if ddc and hdmi phy cleanups are
> posted from Tomasz Stanislawski. The only critical thing we should fix
> would be hdmi dt broken issue.
>
> Give me more comments if there is any critical issue we should fix for
> this cycle.
As I have already mentioned in another reply to this thread (and also
quite a long time ago in my review comments for previous version of this
series), refactoring of FIMD driver removes support for parallel
displays that seems to be used by exynos4210-origen, exynos4412-origen,
smdk5250 and smdk5420 boards, which is a regression.
Best regards,
Tomasz
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver
2014-03-13 18:10 ` Tomasz Figa
@ 2014-03-14 11:02 ` Inki Dae
0 siblings, 0 replies; 62+ messages in thread
From: Inki Dae @ 2014-03-14 11:02 UTC (permalink / raw)
To: Tomasz Figa; +Cc: Stéphane Marchesin, DRI mailing list
2014-03-14 3:10 GMT+09:00 Tomasz Figa <t.figa@samsung.com>:
> On 13.03.2014 16:48, Inki Dae wrote:
>>
>> Hi Tomasz,
>>
>> 2014-03-13 23:05 GMT+09:00 Tomasz Figa <t.figa@samsung.com>:
>>>
>>> Hi Inki,
>>>
>>>
>>> On 13.03.2014 08:33, Inki Dae wrote:
>>>>
>>>>
>>>> Hi Sean,
>>>>
>>>> Merged your all patch series except for dt binding patches - it needs
>>>> more cleanups about ddc and phy - and I had a little change just for
>>>> cleanup.
>>>> And some more cleanups and enhanced feature set on top of your patch
>>>> series would be merged, and then they will go to -next.
>>>
>>>
>>>
>>> I assume you just applied this series to your tree to a temporary branch
>>> and
>>> it won't be merged until are regressions introduced by it are fixed,
>>> right?
>>
>>
>> Generally right. These has been merged to exynos-drm-next so that
>> other people can clean up and enhance our driver on top of the
>> refactoring patch series.
>> And I'm planning to have pull request if ddc and hdmi phy cleanups are
>> posted from Tomasz Stanislawski. The only critical thing we should fix
>> would be hdmi dt broken issue.
>>
>> Give me more comments if there is any critical issue we should fix for
>> this cycle.
>
>
> As I have already mentioned in another reply to this thread (and also quite
> a long time ago in my review comments for previous version of this series),
> refactoring of FIMD driver removes support for parallel displays that seems
> to be used by exynos4210-origen, exynos4412-origen, smdk5250 and smdk5420
> boards, which is a regression.
>
When it comes to parallel display support, I expect Andrzej would post
it. And if not posted for this cycle, I will make a fixup patch and
post it.
Thanks,
Inki Dae
>
> Best regards,
> Tomasz
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
* Re: [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree
2014-02-19 11:14 ` Inki Dae
@ 2014-04-04 14:04 ` Tomasz Stanislawski
0 siblings, 0 replies; 62+ messages in thread
From: Tomasz Stanislawski @ 2014-04-04 14:04 UTC (permalink / raw)
To: Inki Dae; +Cc: Stéphane Marchesin, DRI mailing list
Hi Inki,
Sorry for a very late reply.
On 02/19/2014 12:14 PM, Inki Dae wrote:
> Hi Tomasz,
>
>
> 2014-02-14 23:13 GMT+09:00 Tomasz Stanislawski <t.stanislaws@samsung.com>:
>> Hi Daniel,
>> I think that it would be better to change the semantic of phy and ddc
>> bindings.
>>
>> Rather than pointing to I2C client it should point to I2C bus instead.
>> The exynos DRM driver can create dummy I2C clients using i2c_new_dummy()
>> function.
>
> It seems better way. As of now, all we need for HDMI DDC is
> i2c_adapter (including i2c phy), not i2c_client.
>
>>
>> There is quite strong rationale for this:
>> - DDC is always accessible on fixed addresses described in HDMI specification.
>> - HDMIPHY (including I2C address) is a part of HDMI IP and it is bound to
>> specific version of Exynos SoC
>> - no need to add virtual nodes in DTS
>
> You mean hdmiddc and hdmiphy nodes? If so, I think they are real
> nodes, not virtual nodes. Otherwise, plz give me more comments.
>
> Thanks,
> Inki Dae
>
The problem is that those nodes have no dedicated driver.
Moreover, the I2C address for HDMIPHY is always present on
a fixed address dependant on SoC (read HDMI IP) version.
Moreover, both devices share HDMI and HDMIPHY share registers
from HDMI's pool.
Additionally, the hdmiphy I2C client is currently configured using
exynos-hdmi code its DRM driver.
So technically the hdmiphy bus is only a resource used by
exynos-drm-hdmi driver.
Regards,
Tomasz Stanislawski
>> - NVIDIA already use bindings to DDC bus instead of DDC client. Take a look to
>> arch/arm/boot/dts/tegra*.dts
>>
>> Regards,
>> Tomasz Stanislawski
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 62+ messages in thread
end of thread, other threads:[~2014-04-04 14:04 UTC | newest]
Thread overview: 62+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-01-30 21:18 [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 01/34] drm/exynos: Rename hdmi_infoframe to avoid collision Sean Paul
2014-01-30 21:19 ` [PATCH v4 02/34] drm/exynos: Remove useless slab.h include Sean Paul
2014-01-30 21:19 ` [PATCH v4 03/34] drm/exynos: Merge overlay_ops into manager_ops Sean Paul
2014-01-30 21:19 ` [PATCH v4 04/34] drm/exynos: Add an initialize function to manager and display Sean Paul
2014-01-30 21:19 ` [PATCH v4 05/34] drm/exynos: Use manager_op initialize in fimd Sean Paul
2014-01-30 21:19 ` [PATCH v4 06/34] drm/exynos: hdmi: Implement initialize op for hdmi Sean Paul
2014-01-30 21:19 ` [PATCH v4 07/34] drm/exynos: Pass exynos_drm_manager in manager ops instead of dev Sean Paul
2014-01-30 21:19 ` [PATCH v4 08/34] drm/exynos: Remove apply manager callback Sean Paul
2014-01-30 21:19 ` [PATCH v4 09/34] drm/exynos: Remove dpms link between encoder/connector Sean Paul
2014-01-30 21:19 ` [PATCH v4 10/34] drm/exynos: Rename display_op power_on to dpms Sean Paul
2014-01-30 21:19 ` [PATCH v4 11/34] drm/exynos: Don't keep dpms state in encoder Sean Paul
2014-01-30 21:19 ` [PATCH v4 12/34] drm/exynos: Use unsigned long for possible_crtcs Sean Paul
2014-01-30 21:19 ` [PATCH v4 13/34] drm/exynos: Split manager/display/subdrv Sean Paul
2014-01-30 21:19 ` [PATCH v4 14/34] drm/exynos: hdmi: remove the i2c drivers and use devtree Sean Paul
2014-02-08 2:52 ` Tomasz Figa
2014-02-10 7:30 ` Inki Dae
2014-02-11 14:13 ` Tomasz Figa
2014-02-11 23:02 ` Olof Johansson
2014-02-12 0:44 ` Tomasz Figa
2014-02-14 14:13 ` Tomasz Stanislawski
2014-02-19 11:14 ` Inki Dae
2014-04-04 14:04 ` Tomasz Stanislawski
2014-02-19 11:43 ` Inki Dae
2014-01-30 21:19 ` [PATCH v4 15/34] ARM: dts: exynos: Add i2c phandles to hdmi node Sean Paul
2014-01-30 21:19 ` [PATCH v4 16/34] drm/exynos: Remove exynos_drm_hdmi shim Sean Paul
2014-01-30 21:19 ` [PATCH v4 17/34] drm/exynos: Use drm_mode_copy to copy modes Sean Paul
2014-01-30 21:19 ` [PATCH v4 18/34] drm/exynos: Disable unused crtc planes from crtc Sean Paul
2014-01-30 21:19 ` [PATCH v4 19/34] drm/exynos: Add mode_set manager operation Sean Paul
2014-01-30 21:19 ` [PATCH v4 20/34] drm/exynos: Implement mode_fixup " Sean Paul
2014-01-30 21:19 ` [PATCH v4 21/34] drm/exynos: Use mode_set to configure fimd Sean Paul
2014-02-10 10:36 ` Andrzej Hajda
2014-01-30 21:19 ` [PATCH v4 22/34] drm/exynos: Remove unused/useless fimd_context members Sean Paul
2014-01-30 21:19 ` [PATCH v4 23/34] drm/exynos: Move dp driver from video/ to drm/ Sean Paul
2014-01-30 21:19 ` [PATCH v4 24/34] drm/exynos: Move display implementation into dp Sean Paul
2014-01-30 21:19 ` [PATCH v4 25/34] ARM: dts: Move display-timings node from fimd to dp Sean Paul
2014-01-30 21:19 ` [PATCH v4 26/34] drm/exynos: Implement dpms display callback in DP Sean Paul
2014-01-30 21:19 ` [PATCH v4 27/34] drm/exynos: Clean up FIMD power on/off routines Sean Paul
2014-01-30 21:19 ` [PATCH v4 28/34] drm/exynos: Consolidate suspend/resume in drm_drv Sean Paul
2014-01-30 21:19 ` [PATCH v4 29/34] drm/exynos: Add create_connector callback Sean Paul
2014-01-30 21:19 ` [PATCH v4 30/34] drm/exynos: Implement drm_connector in hdmi directly Sean Paul
2014-01-30 21:19 ` [PATCH v4 31/34] drm/exynos: Implement drm_connector directly in dp driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 32/34] drm/exynos: Implement drm_connector directly in vidi driver Sean Paul
2014-01-30 21:38 ` [PATCH v5 " Sean Paul
2014-01-30 21:19 ` [PATCH v4 33/34] drm/exynos: Move lvds bridge discovery into DP driver Sean Paul
2014-01-30 21:19 ` [PATCH v4 34/34] drm/exynos: Remove the exynos_drm_connector shim Sean Paul
2014-02-06 19:54 ` [PATCH v4 00/34] drm/exynos: Refactor parts of the exynos driver Olof Johansson
2014-02-07 4:13 ` Inki Dae
2014-02-08 2:48 ` Tomasz Figa
2014-02-27 4:43 ` Inki Dae
2014-02-27 13:49 ` Tomasz Figa
2014-02-27 17:09 ` Inki Dae
2014-02-28 2:28 ` Inki Dae
2014-03-04 11:03 ` Andrzej Hajda
2014-03-04 13:57 ` Inki Dae
2014-03-06 15:39 ` Andrzej Hajda
2014-02-07 10:29 ` Tomasz Figa
2014-03-13 7:33 ` Inki Dae
2014-03-13 14:05 ` Tomasz Figa
2014-03-13 15:48 ` Inki Dae
2014-03-13 18:10 ` Tomasz Figa
2014-03-14 11:02 ` Inki Dae
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