* [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
@ 2020-04-21 4:55 ` Harigovindan P
0 siblings, 0 replies; 25+ messages in thread
From: Harigovindan P @ 2020-04-29 5:45 UTC (permalink / raw)
To: dri-devel, linux-arm-msm, freedreno, devicetree
Cc: sean, Matthias Kaehlcke, seanpaul, Harigovindan P
Add support for Visionox panel driver.
Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
---
Changes in v2:
- Dropping redundant space in Kconfig(Sam Ravnborg).
- Changing structure for include files(Sam Ravnborg).
- Removing backlight related code and functions(Sam Ravnborg).
- Removing repeated printing of error message(Sam Ravnborg).
- Adding drm_connector as an argument for get_modes function.
Changes in v3:
- Adding arguments for drm_panel_init to support against mainline.
Changes in v4:
- Removing error messages from regulator_set_load.
- Removing dev struct entry.
- Removing checks.
- Dropping empty comment lines.
Changes in v5:
- Removing unused struct member variables.
- Removing blank lines.
- Fixed indentation.
- Invoking dsi_detach and panel_remove while early exiting from probe.
Changes in v6:
- Changed "35597" to "rm69299" for power_on function.
- Removing rm69299_config since it supports single type of panel for now.
- Fixed alignment.
- Using goto statements when regulator_set_load fails.
Changes in v7:
- Added new goto statement when regulator_set_load fails.
Changes in v8,v9,v10:
- Had changes in first patch, did not make any change in panel driver.
Changes in v11:
- Fixing checkpatch script errors.
- Updated assignment of panel.dev property in probe.
drivers/gpu/drm/panel/Kconfig | 8 +
drivers/gpu/drm/panel/Makefile | 1 +
.../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
3 files changed, 313 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index d56258b9fcaf..4b6131f5893d 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
Video Mode panel
+config DRM_PANEL_VISIONOX_RM69299
+ tristate "Visionox RM69299"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ help
+ Say Y here if you want to enable support for Visionox
+ RM69299 DSI Video Mode panel.
+
config DRM_PANEL_XINPENG_XPP055C272
tristate "Xinpeng XPP055C272 panel driver"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 2335a1e32ae0..8eac3e6fa82c 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
+obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
new file mode 100644
index 000000000000..3ef4cc80044a
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_print.h>
+
+struct visionox_rm69299 {
+ struct drm_panel panel;
+ struct regulator_bulk_data supplies[2];
+ struct gpio_desc *reset_gpio;
+ struct mipi_dsi_device *dsi;
+ bool prepared;
+ bool enabled;
+};
+
+static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
+{
+ return container_of(panel, struct visionox_rm69299, panel);
+}
+
+static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
+{
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Reset sequence of visionox panel requires the panel to be
+ * out of reset for 10ms, followed by being held in reset
+ * for 10ms and then out again
+ */
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 0);
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(10000, 20000);
+
+ return 0;
+}
+
+static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
+{
+ gpiod_set_value(ctx->reset_gpio, 0);
+
+ return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+}
+
+static int visionox_rm69299_unprepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
+ ctx->dsi->mode_flags = 0;
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
+ if (ret < 0)
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "set_display_off cmd failed ret = %d\n", ret);
+
+ /* 120ms delay required here as per DCS spec */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "enter_sleep cmd failed ret = %d\n", ret);
+ }
+
+ ret = visionox_rm69299_power_off(ctx);
+
+ ctx->prepared = false;
+ return ret;
+}
+
+static int visionox_rm69299_prepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ ret = visionox_rm69299_power_on(ctx);
+ if (ret < 0)
+ return ret;
+
+ ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 0 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 1 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 2 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 3 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "exit_sleep_mode cmd failed ret = %d\n", ret);
+ goto power_off;
+ }
+
+ /* Per DSI spec wait 120ms after sending exit sleep DCS command */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "set_display_on cmd failed ret = %d\n", ret);
+ goto power_off;
+ }
+
+ /* Per DSI spec wait 120ms after sending set_display_on DCS command */
+ msleep(120);
+
+ ctx->prepared = true;
+
+ return 0;
+
+power_off:
+ return ret;
+}
+
+static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
+ .name = "1080x2248",
+ .clock = 158695,
+ .hdisplay = 1080,
+ .hsync_start = 1080 + 26,
+ .hsync_end = 1080 + 26 + 2,
+ .htotal = 1080 + 26 + 2 + 36,
+ .vdisplay = 2248,
+ .vsync_start = 2248 + 56,
+ .vsync_end = 2248 + 56 + 4,
+ .vtotal = 2248 + 56 + 4 + 4,
+ .vrefresh = 60,
+ .flags = 0,
+};
+
+static int visionox_rm69299_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "failed to create a new display mode\n");
+ return 0;
+ }
+
+ connector->display_info.width_mm = 74;
+ connector->display_info.height_mm = 131;
+ drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
+ .unprepare = visionox_rm69299_unprepare,
+ .prepare = visionox_rm69299_prepare,
+ .get_modes = visionox_rm69299_get_modes,
+};
+
+static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct visionox_rm69299 *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ ctx->panel.dev = dev;
+ ctx->dsi = dsi;
+
+ ctx->supplies[0].supply = "vdda";
+ ctx->supplies[1].supply = "vdd3p3";
+
+ ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
+ "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(ctx->reset_gpio)) {
+ DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
+ PTR_ERR(ctx->reset_gpio));
+ return PTR_ERR(ctx->reset_gpio);
+ }
+
+ drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ ctx->panel.dev = dev;
+ ctx->panel.funcs = &visionox_rm69299_drm_funcs;
+ drm_panel_add(&ctx->panel);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS;
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
+ goto err_dsi_attach;
+ }
+
+ ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "regulator set load failed for vdda supply ret = %d\n",
+ ret);
+ goto err_set_load;
+ }
+
+ ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "regulator set load failed for vdd3p3 supply ret = %d\n",
+ ret);
+ goto err_set_load;
+ }
+
+ return 0;
+
+err_set_load:
+ mipi_dsi_detach(dsi);
+err_dsi_attach:
+ drm_panel_remove(&ctx->panel);
+ return ret;
+}
+
+static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
+{
+ struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(ctx->dsi);
+ mipi_dsi_device_unregister(ctx->dsi);
+
+ drm_panel_remove(&ctx->panel);
+ return 0;
+}
+
+static const struct of_device_id visionox_rm69299_of_match[] = {
+ {
+ .compatible = "visionox,rm69299-1080p-display",
+ }
+};
+MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
+
+static struct mipi_dsi_driver visionox_rm69299_driver = {
+ .driver = {
+ .name = "panel-visionox-rm69299",
+ .of_match_table = visionox_rm69299_of_match,
+ },
+ .probe = visionox_rm69299_probe,
+ .remove = visionox_rm69299_remove,
+};
+module_mipi_dsi_driver(visionox_rm69299_driver);
+
+MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
+
--
2.25.1
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^ permalink raw reply related [flat|nested] 25+ messages in thread* [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
@ 2020-04-21 4:55 ` Harigovindan P
0 siblings, 0 replies; 25+ messages in thread
From: Harigovindan P @ 2020-04-21 4:55 UTC (permalink / raw)
To: dri-devel, linux-arm-msm, freedreno, devicetree
Cc: sean, seanpaul, Harigovindan P
Add support for Visionox panel driver.
Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
---
Changes in v2:
- Dropping redundant space in Kconfig(Sam Ravnborg).
- Changing structure for include files(Sam Ravnborg).
- Removing backlight related code and functions(Sam Ravnborg).
- Removing repeated printing of error message(Sam Ravnborg).
- Adding drm_connector as an argument for get_modes function.
Changes in v3:
- Adding arguments for drm_panel_init to support against mainline.
Changes in v4:
- Removing error messages from regulator_set_load.
- Removing dev struct entry.
- Removing checks.
- Dropping empty comment lines.
Changes in v5:
- Removing unused struct member variables.
- Removing blank lines.
- Fixed indentation.
- Invoking dsi_detach and panel_remove while early exiting from probe.
Changes in v6:
- Changed "35597" to "rm69299" for power_on function.
- Removing rm69299_config since it supports single type of panel for now.
- Fixed alignment.
- Using goto statements when regulator_set_load fails.
Changes in v7:
- Added new goto statement when regulator_set_load fails.
Changes in v8,v9,v10:
- Had changes in first patch, did not make any change in panel driver.
Changes in v11:
- Fixing checkpatch script errors.
- Updated assignment of panel.dev property in probe.
drivers/gpu/drm/panel/Kconfig | 8 +
drivers/gpu/drm/panel/Makefile | 1 +
.../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
3 files changed, 313 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index d56258b9fcaf..4b6131f5893d 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
Video Mode panel
+config DRM_PANEL_VISIONOX_RM69299
+ tristate "Visionox RM69299"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ help
+ Say Y here if you want to enable support for Visionox
+ RM69299 DSI Video Mode panel.
+
config DRM_PANEL_XINPENG_XPP055C272
tristate "Xinpeng XPP055C272 panel driver"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 2335a1e32ae0..8eac3e6fa82c 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
+obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
new file mode 100644
index 000000000000..3ef4cc80044a
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_print.h>
+
+struct visionox_rm69299 {
+ struct drm_panel panel;
+ struct regulator_bulk_data supplies[2];
+ struct gpio_desc *reset_gpio;
+ struct mipi_dsi_device *dsi;
+ bool prepared;
+ bool enabled;
+};
+
+static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
+{
+ return container_of(panel, struct visionox_rm69299, panel);
+}
+
+static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
+{
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Reset sequence of visionox panel requires the panel to be
+ * out of reset for 10ms, followed by being held in reset
+ * for 10ms and then out again
+ */
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 0);
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(10000, 20000);
+
+ return 0;
+}
+
+static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
+{
+ gpiod_set_value(ctx->reset_gpio, 0);
+
+ return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+}
+
+static int visionox_rm69299_unprepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
+ ctx->dsi->mode_flags = 0;
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
+ if (ret < 0)
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "set_display_off cmd failed ret = %d\n", ret);
+
+ /* 120ms delay required here as per DCS spec */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "enter_sleep cmd failed ret = %d\n", ret);
+ }
+
+ ret = visionox_rm69299_power_off(ctx);
+
+ ctx->prepared = false;
+ return ret;
+}
+
+static int visionox_rm69299_prepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ ret = visionox_rm69299_power_on(ctx);
+ if (ret < 0)
+ return ret;
+
+ ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 0 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 1 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 2 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 3 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "exit_sleep_mode cmd failed ret = %d\n", ret);
+ goto power_off;
+ }
+
+ /* Per DSI spec wait 120ms after sending exit sleep DCS command */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "set_display_on cmd failed ret = %d\n", ret);
+ goto power_off;
+ }
+
+ /* Per DSI spec wait 120ms after sending set_display_on DCS command */
+ msleep(120);
+
+ ctx->prepared = true;
+
+ return 0;
+
+power_off:
+ return ret;
+}
+
+static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
+ .name = "1080x2248",
+ .clock = 158695,
+ .hdisplay = 1080,
+ .hsync_start = 1080 + 26,
+ .hsync_end = 1080 + 26 + 2,
+ .htotal = 1080 + 26 + 2 + 36,
+ .vdisplay = 2248,
+ .vsync_start = 2248 + 56,
+ .vsync_end = 2248 + 56 + 4,
+ .vtotal = 2248 + 56 + 4 + 4,
+ .vrefresh = 60,
+ .flags = 0,
+};
+
+static int visionox_rm69299_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "failed to create a new display mode\n");
+ return 0;
+ }
+
+ connector->display_info.width_mm = 74;
+ connector->display_info.height_mm = 131;
+ drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
+ .unprepare = visionox_rm69299_unprepare,
+ .prepare = visionox_rm69299_prepare,
+ .get_modes = visionox_rm69299_get_modes,
+};
+
+static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct visionox_rm69299 *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ ctx->panel.dev = dev;
+ ctx->dsi = dsi;
+
+ ctx->supplies[0].supply = "vdda";
+ ctx->supplies[1].supply = "vdd3p3";
+
+ ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
+ "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(ctx->reset_gpio)) {
+ DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
+ PTR_ERR(ctx->reset_gpio));
+ return PTR_ERR(ctx->reset_gpio);
+ }
+
+ drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ ctx->panel.dev = dev;
+ ctx->panel.funcs = &visionox_rm69299_drm_funcs;
+ drm_panel_add(&ctx->panel);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS;
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
+ goto err_dsi_attach;
+ }
+
+ ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "regulator set load failed for vdda supply ret = %d\n",
+ ret);
+ goto err_set_load;
+ }
+
+ ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "regulator set load failed for vdd3p3 supply ret = %d\n",
+ ret);
+ goto err_set_load;
+ }
+
+ return 0;
+
+err_set_load:
+ mipi_dsi_detach(dsi);
+err_dsi_attach:
+ drm_panel_remove(&ctx->panel);
+ return ret;
+}
+
+static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
+{
+ struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(ctx->dsi);
+ mipi_dsi_device_unregister(ctx->dsi);
+
+ drm_panel_remove(&ctx->panel);
+ return 0;
+}
+
+static const struct of_device_id visionox_rm69299_of_match[] = {
+ {
+ .compatible = "visionox,rm69299-1080p-display",
+ }
+};
+MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
+
+static struct mipi_dsi_driver visionox_rm69299_driver = {
+ .driver = {
+ .name = "panel-visionox-rm69299",
+ .of_match_table = visionox_rm69299_of_match,
+ },
+ .probe = visionox_rm69299_probe,
+ .remove = visionox_rm69299_remove,
+};
+module_mipi_dsi_driver(visionox_rm69299_driver);
+
+MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
--
2.25.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply related [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
2020-04-21 4:55 ` Harigovindan P
@ 2020-04-21 20:00 ` Matthias Kaehlcke
-1 siblings, 0 replies; 25+ messages in thread
From: Matthias Kaehlcke @ 2020-04-21 20:00 UTC (permalink / raw)
To: Harigovindan P
Cc: dri-devel, linux-arm-msm, freedreno, devicetree, robdclark,
seanpaul, sean
Hi,
On Tue, Apr 21, 2020 at 10:25:07AM +0530, Harigovindan P wrote:
> Add support for Visionox panel driver.
>
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
Please keep tags from previous versions (like my Reviewed-by from v7)
when making minimal changes.
Also there is no need to keep sending the bindings patch, it already
landed in drm-misc.
> diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> new file mode 100644
> index 000000000000..3ef4cc80044a
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
...
> +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> --
> 2.25.1
The last two lines break the patch:
git am /tmp/v11-1-2-drm-panel-add-support-for-rm69299-visionox-panel-driver.patch
Applying: drm/panel: add support for rm69299 visionox panel driver
error: corrupt patch at line 379
Patch failed at 0001 drm/panel: add support for rm69299 visionox panel driver
Besides the broken format:
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
^ permalink raw reply [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
@ 2020-04-21 20:00 ` Matthias Kaehlcke
0 siblings, 0 replies; 25+ messages in thread
From: Matthias Kaehlcke @ 2020-04-21 20:00 UTC (permalink / raw)
To: Harigovindan P
Cc: sean, devicetree, linux-arm-msm, dri-devel, seanpaul, freedreno
Hi,
On Tue, Apr 21, 2020 at 10:25:07AM +0530, Harigovindan P wrote:
> Add support for Visionox panel driver.
>
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
Please keep tags from previous versions (like my Reviewed-by from v7)
when making minimal changes.
Also there is no need to keep sending the bindings patch, it already
landed in drm-misc.
> diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> new file mode 100644
> index 000000000000..3ef4cc80044a
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
...
> +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> --
> 2.25.1
The last two lines break the patch:
git am /tmp/v11-1-2-drm-panel-add-support-for-rm69299-visionox-panel-driver.patch
Applying: drm/panel: add support for rm69299 visionox panel driver
error: corrupt patch at line 379
Patch failed at 0001 drm/panel: add support for rm69299 visionox panel driver
Besides the broken format:
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 25+ messages in thread
* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
2020-04-21 4:55 ` Harigovindan P
@ 2020-05-06 18:57 ` Sam Ravnborg
-1 siblings, 0 replies; 25+ messages in thread
From: Sam Ravnborg @ 2020-05-06 18:57 UTC (permalink / raw)
To: Harigovindan P
Cc: dri-devel, linux-arm-msm, freedreno, devicetree, sean,
Matthias Kaehlcke, seanpaul
Hi Harigovindan
On Wed, Apr 29, 2020 at 11:15:14AM +0530, Harigovindan P wrote:
> Add support for Visionox panel driver.
>
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Thanks for your persistence on this.
Patch applied.
I fixed a few lingering --strict releated checkpatch warnings
when I applied.
Sam
> ---
>
> Changes in v2:
> - Dropping redundant space in Kconfig(Sam Ravnborg).
> - Changing structure for include files(Sam Ravnborg).
> - Removing backlight related code and functions(Sam Ravnborg).
> - Removing repeated printing of error message(Sam Ravnborg).
> - Adding drm_connector as an argument for get_modes function.
> Changes in v3:
> - Adding arguments for drm_panel_init to support against mainline.
> Changes in v4:
> - Removing error messages from regulator_set_load.
> - Removing dev struct entry.
> - Removing checks.
> - Dropping empty comment lines.
> Changes in v5:
> - Removing unused struct member variables.
> - Removing blank lines.
> - Fixed indentation.
> - Invoking dsi_detach and panel_remove while early exiting from probe.
> Changes in v6:
> - Changed "35597" to "rm69299" for power_on function.
> - Removing rm69299_config since it supports single type of panel for now.
> - Fixed alignment.
> - Using goto statements when regulator_set_load fails.
> Changes in v7:
> - Added new goto statement when regulator_set_load fails.
> Changes in v8,v9,v10:
> - Had changes in first patch, did not make any change in panel driver.
> Changes in v11:
> - Fixing checkpatch script errors.
> - Updated assignment of panel.dev property in probe.
>
> drivers/gpu/drm/panel/Kconfig | 8 +
> drivers/gpu/drm/panel/Makefile | 1 +
> .../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
> 3 files changed, 313 insertions(+)
> create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
>
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index d56258b9fcaf..4b6131f5893d 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> Video Mode panel
>
> +config DRM_PANEL_VISIONOX_RM69299
> + tristate "Visionox RM69299"
> + depends on OF
> + depends on DRM_MIPI_DSI
> + help
> + Say Y here if you want to enable support for Visionox
> + RM69299 DSI Video Mode panel.
> +
> config DRM_PANEL_XINPENG_XPP055C272
> tristate "Xinpeng XPP055C272 panel driver"
> depends on OF
> diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> index 2335a1e32ae0..8eac3e6fa82c 100644
> --- a/drivers/gpu/drm/panel/Makefile
> +++ b/drivers/gpu/drm/panel/Makefile
> @@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
> obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
> obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
> obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> +obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
> obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
> diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> new file mode 100644
> index 000000000000..3ef4cc80044a
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> @@ -0,0 +1,304 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <linux/delay.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/regulator/consumer.h>
> +
> +#include <video/mipi_display.h>
> +
> +#include <drm/drm_mipi_dsi.h>
> +#include <drm/drm_modes.h>
> +#include <drm/drm_panel.h>
> +#include <drm/drm_print.h>
> +
> +struct visionox_rm69299 {
> + struct drm_panel panel;
> + struct regulator_bulk_data supplies[2];
> + struct gpio_desc *reset_gpio;
> + struct mipi_dsi_device *dsi;
> + bool prepared;
> + bool enabled;
> +};
> +
> +static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
> +{
> + return container_of(panel, struct visionox_rm69299, panel);
> +}
> +
> +static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
> +{
> + int ret;
> +
> + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> + if (ret < 0)
> + return ret;
> +
> + /*
> + * Reset sequence of visionox panel requires the panel to be
> + * out of reset for 10ms, followed by being held in reset
> + * for 10ms and then out again
> + */
> + gpiod_set_value(ctx->reset_gpio, 1);
> + usleep_range(10000, 20000);
> + gpiod_set_value(ctx->reset_gpio, 0);
> + usleep_range(10000, 20000);
> + gpiod_set_value(ctx->reset_gpio, 1);
> + usleep_range(10000, 20000);
> +
> + return 0;
> +}
> +
> +static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
> +{
> + gpiod_set_value(ctx->reset_gpio, 0);
> +
> + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> +}
> +
> +static int visionox_rm69299_unprepare(struct drm_panel *panel)
> +{
> + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> + int ret;
> +
> + ctx->dsi->mode_flags = 0;
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
> + if (ret < 0)
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "set_display_off cmd failed ret = %d\n", ret);
> +
> + /* 120ms delay required here as per DCS spec */
> + msleep(120);
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "enter_sleep cmd failed ret = %d\n", ret);
> + }
> +
> + ret = visionox_rm69299_power_off(ctx);
> +
> + ctx->prepared = false;
> + return ret;
> +}
> +
> +static int visionox_rm69299_prepare(struct drm_panel *panel)
> +{
> + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> + int ret;
> +
> + if (ctx->prepared)
> + return 0;
> +
> + ret = visionox_rm69299_power_on(ctx);
> + if (ret < 0)
> + return ret;
> +
> + ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 0 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 1 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 2 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 3 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "exit_sleep_mode cmd failed ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + /* Per DSI spec wait 120ms after sending exit sleep DCS command */
> + msleep(120);
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "set_display_on cmd failed ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + /* Per DSI spec wait 120ms after sending set_display_on DCS command */
> + msleep(120);
> +
> + ctx->prepared = true;
> +
> + return 0;
> +
> +power_off:
> + return ret;
> +}
> +
> +static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
> + .name = "1080x2248",
> + .clock = 158695,
> + .hdisplay = 1080,
> + .hsync_start = 1080 + 26,
> + .hsync_end = 1080 + 26 + 2,
> + .htotal = 1080 + 26 + 2 + 36,
> + .vdisplay = 2248,
> + .vsync_start = 2248 + 56,
> + .vsync_end = 2248 + 56 + 4,
> + .vtotal = 2248 + 56 + 4 + 4,
> + .vrefresh = 60,
> + .flags = 0,
> +};
> +
> +static int visionox_rm69299_get_modes(struct drm_panel *panel,
> + struct drm_connector *connector)
> +{
> + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> + struct drm_display_mode *mode;
> +
> + mode = drm_mode_create(connector->dev);
> + if (!mode) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "failed to create a new display mode\n");
> + return 0;
> + }
> +
> + connector->display_info.width_mm = 74;
> + connector->display_info.height_mm = 131;
> + drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
> + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> + drm_mode_probed_add(connector, mode);
> +
> + return 1;
> +}
> +
> +static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
> + .unprepare = visionox_rm69299_unprepare,
> + .prepare = visionox_rm69299_prepare,
> + .get_modes = visionox_rm69299_get_modes,
> +};
> +
> +static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
> +{
> + struct device *dev = &dsi->dev;
> + struct visionox_rm69299 *ctx;
> + int ret;
> +
> + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> + if (!ctx)
> + return -ENOMEM;
> +
> + mipi_dsi_set_drvdata(dsi, ctx);
> +
> + ctx->panel.dev = dev;
> + ctx->dsi = dsi;
> +
> + ctx->supplies[0].supply = "vdda";
> + ctx->supplies[1].supply = "vdd3p3";
> +
> + ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
> + ctx->supplies);
> + if (ret < 0)
> + return ret;
> +
> + ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
> + "reset", GPIOD_OUT_LOW);
> + if (IS_ERR(ctx->reset_gpio)) {
> + DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
> + PTR_ERR(ctx->reset_gpio));
> + return PTR_ERR(ctx->reset_gpio);
> + }
> +
> + drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
> + DRM_MODE_CONNECTOR_DSI);
> + ctx->panel.dev = dev;
> + ctx->panel.funcs = &visionox_rm69299_drm_funcs;
> + drm_panel_add(&ctx->panel);
> +
> + dsi->lanes = 4;
> + dsi->format = MIPI_DSI_FMT_RGB888;
> + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
> + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> + ret = mipi_dsi_attach(dsi);
> + if (ret < 0) {
> + DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
> + goto err_dsi_attach;
> + }
> +
> + ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
> + if (ret) {
> + DRM_DEV_ERROR(dev,
> + "regulator set load failed for vdda supply ret = %d\n",
> + ret);
> + goto err_set_load;
> + }
> +
> + ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
> + if (ret) {
> + DRM_DEV_ERROR(dev,
> + "regulator set load failed for vdd3p3 supply ret = %d\n",
> + ret);
> + goto err_set_load;
> + }
> +
> + return 0;
> +
> +err_set_load:
> + mipi_dsi_detach(dsi);
> +err_dsi_attach:
> + drm_panel_remove(&ctx->panel);
> + return ret;
> +}
> +
> +static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
> +{
> + struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
> +
> + mipi_dsi_detach(ctx->dsi);
> + mipi_dsi_device_unregister(ctx->dsi);
> +
> + drm_panel_remove(&ctx->panel);
> + return 0;
> +}
> +
> +static const struct of_device_id visionox_rm69299_of_match[] = {
> + {
> + .compatible = "visionox,rm69299-1080p-display",
> + }
> +};
> +MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
> +
> +static struct mipi_dsi_driver visionox_rm69299_driver = {
> + .driver = {
> + .name = "panel-visionox-rm69299",
> + .of_match_table = visionox_rm69299_of_match,
> + },
> + .probe = visionox_rm69299_probe,
> + .remove = visionox_rm69299_remove,
> +};
> +module_mipi_dsi_driver(visionox_rm69299_driver);
> +
> +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> +
> --
> 2.25.1
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
@ 2020-05-06 18:57 ` Sam Ravnborg
0 siblings, 0 replies; 25+ messages in thread
From: Sam Ravnborg @ 2020-05-06 18:57 UTC (permalink / raw)
To: Harigovindan P
Cc: freedreno, devicetree, linux-arm-msm, dri-devel,
Matthias Kaehlcke, seanpaul, sean
Hi Harigovindan
On Wed, Apr 29, 2020 at 11:15:14AM +0530, Harigovindan P wrote:
> Add support for Visionox panel driver.
>
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Thanks for your persistence on this.
Patch applied.
I fixed a few lingering --strict releated checkpatch warnings
when I applied.
Sam
> ---
>
> Changes in v2:
> - Dropping redundant space in Kconfig(Sam Ravnborg).
> - Changing structure for include files(Sam Ravnborg).
> - Removing backlight related code and functions(Sam Ravnborg).
> - Removing repeated printing of error message(Sam Ravnborg).
> - Adding drm_connector as an argument for get_modes function.
> Changes in v3:
> - Adding arguments for drm_panel_init to support against mainline.
> Changes in v4:
> - Removing error messages from regulator_set_load.
> - Removing dev struct entry.
> - Removing checks.
> - Dropping empty comment lines.
> Changes in v5:
> - Removing unused struct member variables.
> - Removing blank lines.
> - Fixed indentation.
> - Invoking dsi_detach and panel_remove while early exiting from probe.
> Changes in v6:
> - Changed "35597" to "rm69299" for power_on function.
> - Removing rm69299_config since it supports single type of panel for now.
> - Fixed alignment.
> - Using goto statements when regulator_set_load fails.
> Changes in v7:
> - Added new goto statement when regulator_set_load fails.
> Changes in v8,v9,v10:
> - Had changes in first patch, did not make any change in panel driver.
> Changes in v11:
> - Fixing checkpatch script errors.
> - Updated assignment of panel.dev property in probe.
>
> drivers/gpu/drm/panel/Kconfig | 8 +
> drivers/gpu/drm/panel/Makefile | 1 +
> .../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
> 3 files changed, 313 insertions(+)
> create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
>
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index d56258b9fcaf..4b6131f5893d 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> Video Mode panel
>
> +config DRM_PANEL_VISIONOX_RM69299
> + tristate "Visionox RM69299"
> + depends on OF
> + depends on DRM_MIPI_DSI
> + help
> + Say Y here if you want to enable support for Visionox
> + RM69299 DSI Video Mode panel.
> +
> config DRM_PANEL_XINPENG_XPP055C272
> tristate "Xinpeng XPP055C272 panel driver"
> depends on OF
> diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> index 2335a1e32ae0..8eac3e6fa82c 100644
> --- a/drivers/gpu/drm/panel/Makefile
> +++ b/drivers/gpu/drm/panel/Makefile
> @@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
> obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
> obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
> obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> +obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
> obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
> diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> new file mode 100644
> index 000000000000..3ef4cc80044a
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> @@ -0,0 +1,304 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <linux/delay.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/regulator/consumer.h>
> +
> +#include <video/mipi_display.h>
> +
> +#include <drm/drm_mipi_dsi.h>
> +#include <drm/drm_modes.h>
> +#include <drm/drm_panel.h>
> +#include <drm/drm_print.h>
> +
> +struct visionox_rm69299 {
> + struct drm_panel panel;
> + struct regulator_bulk_data supplies[2];
> + struct gpio_desc *reset_gpio;
> + struct mipi_dsi_device *dsi;
> + bool prepared;
> + bool enabled;
> +};
> +
> +static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
> +{
> + return container_of(panel, struct visionox_rm69299, panel);
> +}
> +
> +static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
> +{
> + int ret;
> +
> + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> + if (ret < 0)
> + return ret;
> +
> + /*
> + * Reset sequence of visionox panel requires the panel to be
> + * out of reset for 10ms, followed by being held in reset
> + * for 10ms and then out again
> + */
> + gpiod_set_value(ctx->reset_gpio, 1);
> + usleep_range(10000, 20000);
> + gpiod_set_value(ctx->reset_gpio, 0);
> + usleep_range(10000, 20000);
> + gpiod_set_value(ctx->reset_gpio, 1);
> + usleep_range(10000, 20000);
> +
> + return 0;
> +}
> +
> +static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
> +{
> + gpiod_set_value(ctx->reset_gpio, 0);
> +
> + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> +}
> +
> +static int visionox_rm69299_unprepare(struct drm_panel *panel)
> +{
> + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> + int ret;
> +
> + ctx->dsi->mode_flags = 0;
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
> + if (ret < 0)
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "set_display_off cmd failed ret = %d\n", ret);
> +
> + /* 120ms delay required here as per DCS spec */
> + msleep(120);
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "enter_sleep cmd failed ret = %d\n", ret);
> + }
> +
> + ret = visionox_rm69299_power_off(ctx);
> +
> + ctx->prepared = false;
> + return ret;
> +}
> +
> +static int visionox_rm69299_prepare(struct drm_panel *panel)
> +{
> + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> + int ret;
> +
> + if (ctx->prepared)
> + return 0;
> +
> + ret = visionox_rm69299_power_on(ctx);
> + if (ret < 0)
> + return ret;
> +
> + ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 0 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 1 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 2 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "cmd set tx 3 failed, ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "exit_sleep_mode cmd failed ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + /* Per DSI spec wait 120ms after sending exit sleep DCS command */
> + msleep(120);
> +
> + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
> + if (ret < 0) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "set_display_on cmd failed ret = %d\n", ret);
> + goto power_off;
> + }
> +
> + /* Per DSI spec wait 120ms after sending set_display_on DCS command */
> + msleep(120);
> +
> + ctx->prepared = true;
> +
> + return 0;
> +
> +power_off:
> + return ret;
> +}
> +
> +static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
> + .name = "1080x2248",
> + .clock = 158695,
> + .hdisplay = 1080,
> + .hsync_start = 1080 + 26,
> + .hsync_end = 1080 + 26 + 2,
> + .htotal = 1080 + 26 + 2 + 36,
> + .vdisplay = 2248,
> + .vsync_start = 2248 + 56,
> + .vsync_end = 2248 + 56 + 4,
> + .vtotal = 2248 + 56 + 4 + 4,
> + .vrefresh = 60,
> + .flags = 0,
> +};
> +
> +static int visionox_rm69299_get_modes(struct drm_panel *panel,
> + struct drm_connector *connector)
> +{
> + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> + struct drm_display_mode *mode;
> +
> + mode = drm_mode_create(connector->dev);
> + if (!mode) {
> + DRM_DEV_ERROR(ctx->panel.dev,
> + "failed to create a new display mode\n");
> + return 0;
> + }
> +
> + connector->display_info.width_mm = 74;
> + connector->display_info.height_mm = 131;
> + drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
> + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> + drm_mode_probed_add(connector, mode);
> +
> + return 1;
> +}
> +
> +static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
> + .unprepare = visionox_rm69299_unprepare,
> + .prepare = visionox_rm69299_prepare,
> + .get_modes = visionox_rm69299_get_modes,
> +};
> +
> +static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
> +{
> + struct device *dev = &dsi->dev;
> + struct visionox_rm69299 *ctx;
> + int ret;
> +
> + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> + if (!ctx)
> + return -ENOMEM;
> +
> + mipi_dsi_set_drvdata(dsi, ctx);
> +
> + ctx->panel.dev = dev;
> + ctx->dsi = dsi;
> +
> + ctx->supplies[0].supply = "vdda";
> + ctx->supplies[1].supply = "vdd3p3";
> +
> + ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
> + ctx->supplies);
> + if (ret < 0)
> + return ret;
> +
> + ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
> + "reset", GPIOD_OUT_LOW);
> + if (IS_ERR(ctx->reset_gpio)) {
> + DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
> + PTR_ERR(ctx->reset_gpio));
> + return PTR_ERR(ctx->reset_gpio);
> + }
> +
> + drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
> + DRM_MODE_CONNECTOR_DSI);
> + ctx->panel.dev = dev;
> + ctx->panel.funcs = &visionox_rm69299_drm_funcs;
> + drm_panel_add(&ctx->panel);
> +
> + dsi->lanes = 4;
> + dsi->format = MIPI_DSI_FMT_RGB888;
> + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
> + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> + ret = mipi_dsi_attach(dsi);
> + if (ret < 0) {
> + DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
> + goto err_dsi_attach;
> + }
> +
> + ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
> + if (ret) {
> + DRM_DEV_ERROR(dev,
> + "regulator set load failed for vdda supply ret = %d\n",
> + ret);
> + goto err_set_load;
> + }
> +
> + ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
> + if (ret) {
> + DRM_DEV_ERROR(dev,
> + "regulator set load failed for vdd3p3 supply ret = %d\n",
> + ret);
> + goto err_set_load;
> + }
> +
> + return 0;
> +
> +err_set_load:
> + mipi_dsi_detach(dsi);
> +err_dsi_attach:
> + drm_panel_remove(&ctx->panel);
> + return ret;
> +}
> +
> +static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
> +{
> + struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
> +
> + mipi_dsi_detach(ctx->dsi);
> + mipi_dsi_device_unregister(ctx->dsi);
> +
> + drm_panel_remove(&ctx->panel);
> + return 0;
> +}
> +
> +static const struct of_device_id visionox_rm69299_of_match[] = {
> + {
> + .compatible = "visionox,rm69299-1080p-display",
> + }
> +};
> +MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
> +
> +static struct mipi_dsi_driver visionox_rm69299_driver = {
> + .driver = {
> + .name = "panel-visionox-rm69299",
> + .of_match_table = visionox_rm69299_of_match,
> + },
> + .probe = visionox_rm69299_probe,
> + .remove = visionox_rm69299_remove,
> +};
> +module_mipi_dsi_driver(visionox_rm69299_driver);
> +
> +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> +
> --
> 2.25.1
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
2020-05-06 18:57 ` Sam Ravnborg
@ 2020-05-14 3:35 ` Dave Airlie
-1 siblings, 0 replies; 25+ messages in thread
From: Dave Airlie @ 2020-05-14 3:35 UTC (permalink / raw)
To: Sam Ravnborg
Cc: Harigovindan P, freedreno, devicetree, linux-arm-msm, dri-devel,
Matthias Kaehlcke, Sean Paul, Sean Paul
On Thu, 7 May 2020 at 04:57, Sam Ravnborg <sam@ravnborg.org> wrote:
>
> Hi Harigovindan
>
> On Wed, Apr 29, 2020 at 11:15:14AM +0530, Harigovindan P wrote:
> > Add support for Visionox panel driver.
> >
> > Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> > Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
>
> Thanks for your persistence on this.
> Patch applied.
>
> I fixed a few lingering --strict releated checkpatch warnings
> when I applied.
>
> Sam
I'm seeing
WARNING: modpost: missing MODULE_LICENSE() in
drivers/gpu/drm/panel/panel-visionox-rm69299.o
Can we fix that up?
Dave.
>
> > ---
> >
> > Changes in v2:
> > - Dropping redundant space in Kconfig(Sam Ravnborg).
> > - Changing structure for include files(Sam Ravnborg).
> > - Removing backlight related code and functions(Sam Ravnborg).
> > - Removing repeated printing of error message(Sam Ravnborg).
> > - Adding drm_connector as an argument for get_modes function.
> > Changes in v3:
> > - Adding arguments for drm_panel_init to support against mainline.
> > Changes in v4:
> > - Removing error messages from regulator_set_load.
> > - Removing dev struct entry.
> > - Removing checks.
> > - Dropping empty comment lines.
> > Changes in v5:
> > - Removing unused struct member variables.
> > - Removing blank lines.
> > - Fixed indentation.
> > - Invoking dsi_detach and panel_remove while early exiting from probe.
> > Changes in v6:
> > - Changed "35597" to "rm69299" for power_on function.
> > - Removing rm69299_config since it supports single type of panel for now.
> > - Fixed alignment.
> > - Using goto statements when regulator_set_load fails.
> > Changes in v7:
> > - Added new goto statement when regulator_set_load fails.
> > Changes in v8,v9,v10:
> > - Had changes in first patch, did not make any change in panel driver.
> > Changes in v11:
> > - Fixing checkpatch script errors.
> > - Updated assignment of panel.dev property in probe.
> >
> > drivers/gpu/drm/panel/Kconfig | 8 +
> > drivers/gpu/drm/panel/Makefile | 1 +
> > .../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
> > 3 files changed, 313 insertions(+)
> > create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
> >
> > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> > index d56258b9fcaf..4b6131f5893d 100644
> > --- a/drivers/gpu/drm/panel/Kconfig
> > +++ b/drivers/gpu/drm/panel/Kconfig
> > @@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> > Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> > Video Mode panel
> >
> > +config DRM_PANEL_VISIONOX_RM69299
> > + tristate "Visionox RM69299"
> > + depends on OF
> > + depends on DRM_MIPI_DSI
> > + help
> > + Say Y here if you want to enable support for Visionox
> > + RM69299 DSI Video Mode panel.
> > +
> > config DRM_PANEL_XINPENG_XPP055C272
> > tristate "Xinpeng XPP055C272 panel driver"
> > depends on OF
> > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> > index 2335a1e32ae0..8eac3e6fa82c 100644
> > --- a/drivers/gpu/drm/panel/Makefile
> > +++ b/drivers/gpu/drm/panel/Makefile
> > @@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
> > obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
> > obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
> > obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> > +obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
> > obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
> > diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > new file mode 100644
> > index 000000000000..3ef4cc80044a
> > --- /dev/null
> > +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > @@ -0,0 +1,304 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> > + */
> > +
> > +#include <linux/delay.h>
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +#include <linux/gpio/consumer.h>
> > +#include <linux/regulator/consumer.h>
> > +
> > +#include <video/mipi_display.h>
> > +
> > +#include <drm/drm_mipi_dsi.h>
> > +#include <drm/drm_modes.h>
> > +#include <drm/drm_panel.h>
> > +#include <drm/drm_print.h>
> > +
> > +struct visionox_rm69299 {
> > + struct drm_panel panel;
> > + struct regulator_bulk_data supplies[2];
> > + struct gpio_desc *reset_gpio;
> > + struct mipi_dsi_device *dsi;
> > + bool prepared;
> > + bool enabled;
> > +};
> > +
> > +static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
> > +{
> > + return container_of(panel, struct visionox_rm69299, panel);
> > +}
> > +
> > +static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
> > +{
> > + int ret;
> > +
> > + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > + if (ret < 0)
> > + return ret;
> > +
> > + /*
> > + * Reset sequence of visionox panel requires the panel to be
> > + * out of reset for 10ms, followed by being held in reset
> > + * for 10ms and then out again
> > + */
> > + gpiod_set_value(ctx->reset_gpio, 1);
> > + usleep_range(10000, 20000);
> > + gpiod_set_value(ctx->reset_gpio, 0);
> > + usleep_range(10000, 20000);
> > + gpiod_set_value(ctx->reset_gpio, 1);
> > + usleep_range(10000, 20000);
> > +
> > + return 0;
> > +}
> > +
> > +static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
> > +{
> > + gpiod_set_value(ctx->reset_gpio, 0);
> > +
> > + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > +}
> > +
> > +static int visionox_rm69299_unprepare(struct drm_panel *panel)
> > +{
> > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > + int ret;
> > +
> > + ctx->dsi->mode_flags = 0;
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
> > + if (ret < 0)
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "set_display_off cmd failed ret = %d\n", ret);
> > +
> > + /* 120ms delay required here as per DCS spec */
> > + msleep(120);
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "enter_sleep cmd failed ret = %d\n", ret);
> > + }
> > +
> > + ret = visionox_rm69299_power_off(ctx);
> > +
> > + ctx->prepared = false;
> > + return ret;
> > +}
> > +
> > +static int visionox_rm69299_prepare(struct drm_panel *panel)
> > +{
> > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > + int ret;
> > +
> > + if (ctx->prepared)
> > + return 0;
> > +
> > + ret = visionox_rm69299_power_on(ctx);
> > + if (ret < 0)
> > + return ret;
> > +
> > + ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 0 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 1 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 2 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 3 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "exit_sleep_mode cmd failed ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + /* Per DSI spec wait 120ms after sending exit sleep DCS command */
> > + msleep(120);
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "set_display_on cmd failed ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + /* Per DSI spec wait 120ms after sending set_display_on DCS command */
> > + msleep(120);
> > +
> > + ctx->prepared = true;
> > +
> > + return 0;
> > +
> > +power_off:
> > + return ret;
> > +}
> > +
> > +static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
> > + .name = "1080x2248",
> > + .clock = 158695,
> > + .hdisplay = 1080,
> > + .hsync_start = 1080 + 26,
> > + .hsync_end = 1080 + 26 + 2,
> > + .htotal = 1080 + 26 + 2 + 36,
> > + .vdisplay = 2248,
> > + .vsync_start = 2248 + 56,
> > + .vsync_end = 2248 + 56 + 4,
> > + .vtotal = 2248 + 56 + 4 + 4,
> > + .vrefresh = 60,
> > + .flags = 0,
> > +};
> > +
> > +static int visionox_rm69299_get_modes(struct drm_panel *panel,
> > + struct drm_connector *connector)
> > +{
> > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > + struct drm_display_mode *mode;
> > +
> > + mode = drm_mode_create(connector->dev);
> > + if (!mode) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "failed to create a new display mode\n");
> > + return 0;
> > + }
> > +
> > + connector->display_info.width_mm = 74;
> > + connector->display_info.height_mm = 131;
> > + drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
> > + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> > + drm_mode_probed_add(connector, mode);
> > +
> > + return 1;
> > +}
> > +
> > +static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
> > + .unprepare = visionox_rm69299_unprepare,
> > + .prepare = visionox_rm69299_prepare,
> > + .get_modes = visionox_rm69299_get_modes,
> > +};
> > +
> > +static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
> > +{
> > + struct device *dev = &dsi->dev;
> > + struct visionox_rm69299 *ctx;
> > + int ret;
> > +
> > + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> > + if (!ctx)
> > + return -ENOMEM;
> > +
> > + mipi_dsi_set_drvdata(dsi, ctx);
> > +
> > + ctx->panel.dev = dev;
> > + ctx->dsi = dsi;
> > +
> > + ctx->supplies[0].supply = "vdda";
> > + ctx->supplies[1].supply = "vdd3p3";
> > +
> > + ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
> > + ctx->supplies);
> > + if (ret < 0)
> > + return ret;
> > +
> > + ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
> > + "reset", GPIOD_OUT_LOW);
> > + if (IS_ERR(ctx->reset_gpio)) {
> > + DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
> > + PTR_ERR(ctx->reset_gpio));
> > + return PTR_ERR(ctx->reset_gpio);
> > + }
> > +
> > + drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
> > + DRM_MODE_CONNECTOR_DSI);
> > + ctx->panel.dev = dev;
> > + ctx->panel.funcs = &visionox_rm69299_drm_funcs;
> > + drm_panel_add(&ctx->panel);
> > +
> > + dsi->lanes = 4;
> > + dsi->format = MIPI_DSI_FMT_RGB888;
> > + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
> > + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> > + ret = mipi_dsi_attach(dsi);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
> > + goto err_dsi_attach;
> > + }
> > +
> > + ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
> > + if (ret) {
> > + DRM_DEV_ERROR(dev,
> > + "regulator set load failed for vdda supply ret = %d\n",
> > + ret);
> > + goto err_set_load;
> > + }
> > +
> > + ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
> > + if (ret) {
> > + DRM_DEV_ERROR(dev,
> > + "regulator set load failed for vdd3p3 supply ret = %d\n",
> > + ret);
> > + goto err_set_load;
> > + }
> > +
> > + return 0;
> > +
> > +err_set_load:
> > + mipi_dsi_detach(dsi);
> > +err_dsi_attach:
> > + drm_panel_remove(&ctx->panel);
> > + return ret;
> > +}
> > +
> > +static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
> > +{
> > + struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
> > +
> > + mipi_dsi_detach(ctx->dsi);
> > + mipi_dsi_device_unregister(ctx->dsi);
> > +
> > + drm_panel_remove(&ctx->panel);
> > + return 0;
> > +}
> > +
> > +static const struct of_device_id visionox_rm69299_of_match[] = {
> > + {
> > + .compatible = "visionox,rm69299-1080p-display",
> > + }
> > +};
> > +MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
> > +
> > +static struct mipi_dsi_driver visionox_rm69299_driver = {
> > + .driver = {
> > + .name = "panel-visionox-rm69299",
> > + .of_match_table = visionox_rm69299_of_match,
> > + },
> > + .probe = visionox_rm69299_probe,
> > + .remove = visionox_rm69299_remove,
> > +};
> > +module_mipi_dsi_driver(visionox_rm69299_driver);
> > +
> > +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> > +
> > --
> > 2.25.1
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
@ 2020-05-14 3:35 ` Dave Airlie
0 siblings, 0 replies; 25+ messages in thread
From: Dave Airlie @ 2020-05-14 3:35 UTC (permalink / raw)
To: Sam Ravnborg
Cc: Sean Paul, devicetree, linux-arm-msm, Harigovindan P, dri-devel,
Matthias Kaehlcke, Sean Paul, freedreno
On Thu, 7 May 2020 at 04:57, Sam Ravnborg <sam@ravnborg.org> wrote:
>
> Hi Harigovindan
>
> On Wed, Apr 29, 2020 at 11:15:14AM +0530, Harigovindan P wrote:
> > Add support for Visionox panel driver.
> >
> > Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> > Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
>
> Thanks for your persistence on this.
> Patch applied.
>
> I fixed a few lingering --strict releated checkpatch warnings
> when I applied.
>
> Sam
I'm seeing
WARNING: modpost: missing MODULE_LICENSE() in
drivers/gpu/drm/panel/panel-visionox-rm69299.o
Can we fix that up?
Dave.
>
> > ---
> >
> > Changes in v2:
> > - Dropping redundant space in Kconfig(Sam Ravnborg).
> > - Changing structure for include files(Sam Ravnborg).
> > - Removing backlight related code and functions(Sam Ravnborg).
> > - Removing repeated printing of error message(Sam Ravnborg).
> > - Adding drm_connector as an argument for get_modes function.
> > Changes in v3:
> > - Adding arguments for drm_panel_init to support against mainline.
> > Changes in v4:
> > - Removing error messages from regulator_set_load.
> > - Removing dev struct entry.
> > - Removing checks.
> > - Dropping empty comment lines.
> > Changes in v5:
> > - Removing unused struct member variables.
> > - Removing blank lines.
> > - Fixed indentation.
> > - Invoking dsi_detach and panel_remove while early exiting from probe.
> > Changes in v6:
> > - Changed "35597" to "rm69299" for power_on function.
> > - Removing rm69299_config since it supports single type of panel for now.
> > - Fixed alignment.
> > - Using goto statements when regulator_set_load fails.
> > Changes in v7:
> > - Added new goto statement when regulator_set_load fails.
> > Changes in v8,v9,v10:
> > - Had changes in first patch, did not make any change in panel driver.
> > Changes in v11:
> > - Fixing checkpatch script errors.
> > - Updated assignment of panel.dev property in probe.
> >
> > drivers/gpu/drm/panel/Kconfig | 8 +
> > drivers/gpu/drm/panel/Makefile | 1 +
> > .../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
> > 3 files changed, 313 insertions(+)
> > create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
> >
> > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> > index d56258b9fcaf..4b6131f5893d 100644
> > --- a/drivers/gpu/drm/panel/Kconfig
> > +++ b/drivers/gpu/drm/panel/Kconfig
> > @@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> > Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> > Video Mode panel
> >
> > +config DRM_PANEL_VISIONOX_RM69299
> > + tristate "Visionox RM69299"
> > + depends on OF
> > + depends on DRM_MIPI_DSI
> > + help
> > + Say Y here if you want to enable support for Visionox
> > + RM69299 DSI Video Mode panel.
> > +
> > config DRM_PANEL_XINPENG_XPP055C272
> > tristate "Xinpeng XPP055C272 panel driver"
> > depends on OF
> > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> > index 2335a1e32ae0..8eac3e6fa82c 100644
> > --- a/drivers/gpu/drm/panel/Makefile
> > +++ b/drivers/gpu/drm/panel/Makefile
> > @@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
> > obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
> > obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
> > obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> > +obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
> > obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
> > diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > new file mode 100644
> > index 000000000000..3ef4cc80044a
> > --- /dev/null
> > +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > @@ -0,0 +1,304 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> > + */
> > +
> > +#include <linux/delay.h>
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +#include <linux/gpio/consumer.h>
> > +#include <linux/regulator/consumer.h>
> > +
> > +#include <video/mipi_display.h>
> > +
> > +#include <drm/drm_mipi_dsi.h>
> > +#include <drm/drm_modes.h>
> > +#include <drm/drm_panel.h>
> > +#include <drm/drm_print.h>
> > +
> > +struct visionox_rm69299 {
> > + struct drm_panel panel;
> > + struct regulator_bulk_data supplies[2];
> > + struct gpio_desc *reset_gpio;
> > + struct mipi_dsi_device *dsi;
> > + bool prepared;
> > + bool enabled;
> > +};
> > +
> > +static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
> > +{
> > + return container_of(panel, struct visionox_rm69299, panel);
> > +}
> > +
> > +static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
> > +{
> > + int ret;
> > +
> > + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > + if (ret < 0)
> > + return ret;
> > +
> > + /*
> > + * Reset sequence of visionox panel requires the panel to be
> > + * out of reset for 10ms, followed by being held in reset
> > + * for 10ms and then out again
> > + */
> > + gpiod_set_value(ctx->reset_gpio, 1);
> > + usleep_range(10000, 20000);
> > + gpiod_set_value(ctx->reset_gpio, 0);
> > + usleep_range(10000, 20000);
> > + gpiod_set_value(ctx->reset_gpio, 1);
> > + usleep_range(10000, 20000);
> > +
> > + return 0;
> > +}
> > +
> > +static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
> > +{
> > + gpiod_set_value(ctx->reset_gpio, 0);
> > +
> > + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > +}
> > +
> > +static int visionox_rm69299_unprepare(struct drm_panel *panel)
> > +{
> > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > + int ret;
> > +
> > + ctx->dsi->mode_flags = 0;
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
> > + if (ret < 0)
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "set_display_off cmd failed ret = %d\n", ret);
> > +
> > + /* 120ms delay required here as per DCS spec */
> > + msleep(120);
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "enter_sleep cmd failed ret = %d\n", ret);
> > + }
> > +
> > + ret = visionox_rm69299_power_off(ctx);
> > +
> > + ctx->prepared = false;
> > + return ret;
> > +}
> > +
> > +static int visionox_rm69299_prepare(struct drm_panel *panel)
> > +{
> > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > + int ret;
> > +
> > + if (ctx->prepared)
> > + return 0;
> > +
> > + ret = visionox_rm69299_power_on(ctx);
> > + if (ret < 0)
> > + return ret;
> > +
> > + ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 0 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 1 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 2 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "cmd set tx 3 failed, ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "exit_sleep_mode cmd failed ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + /* Per DSI spec wait 120ms after sending exit sleep DCS command */
> > + msleep(120);
> > +
> > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "set_display_on cmd failed ret = %d\n", ret);
> > + goto power_off;
> > + }
> > +
> > + /* Per DSI spec wait 120ms after sending set_display_on DCS command */
> > + msleep(120);
> > +
> > + ctx->prepared = true;
> > +
> > + return 0;
> > +
> > +power_off:
> > + return ret;
> > +}
> > +
> > +static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
> > + .name = "1080x2248",
> > + .clock = 158695,
> > + .hdisplay = 1080,
> > + .hsync_start = 1080 + 26,
> > + .hsync_end = 1080 + 26 + 2,
> > + .htotal = 1080 + 26 + 2 + 36,
> > + .vdisplay = 2248,
> > + .vsync_start = 2248 + 56,
> > + .vsync_end = 2248 + 56 + 4,
> > + .vtotal = 2248 + 56 + 4 + 4,
> > + .vrefresh = 60,
> > + .flags = 0,
> > +};
> > +
> > +static int visionox_rm69299_get_modes(struct drm_panel *panel,
> > + struct drm_connector *connector)
> > +{
> > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > + struct drm_display_mode *mode;
> > +
> > + mode = drm_mode_create(connector->dev);
> > + if (!mode) {
> > + DRM_DEV_ERROR(ctx->panel.dev,
> > + "failed to create a new display mode\n");
> > + return 0;
> > + }
> > +
> > + connector->display_info.width_mm = 74;
> > + connector->display_info.height_mm = 131;
> > + drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
> > + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> > + drm_mode_probed_add(connector, mode);
> > +
> > + return 1;
> > +}
> > +
> > +static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
> > + .unprepare = visionox_rm69299_unprepare,
> > + .prepare = visionox_rm69299_prepare,
> > + .get_modes = visionox_rm69299_get_modes,
> > +};
> > +
> > +static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
> > +{
> > + struct device *dev = &dsi->dev;
> > + struct visionox_rm69299 *ctx;
> > + int ret;
> > +
> > + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> > + if (!ctx)
> > + return -ENOMEM;
> > +
> > + mipi_dsi_set_drvdata(dsi, ctx);
> > +
> > + ctx->panel.dev = dev;
> > + ctx->dsi = dsi;
> > +
> > + ctx->supplies[0].supply = "vdda";
> > + ctx->supplies[1].supply = "vdd3p3";
> > +
> > + ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
> > + ctx->supplies);
> > + if (ret < 0)
> > + return ret;
> > +
> > + ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
> > + "reset", GPIOD_OUT_LOW);
> > + if (IS_ERR(ctx->reset_gpio)) {
> > + DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
> > + PTR_ERR(ctx->reset_gpio));
> > + return PTR_ERR(ctx->reset_gpio);
> > + }
> > +
> > + drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
> > + DRM_MODE_CONNECTOR_DSI);
> > + ctx->panel.dev = dev;
> > + ctx->panel.funcs = &visionox_rm69299_drm_funcs;
> > + drm_panel_add(&ctx->panel);
> > +
> > + dsi->lanes = 4;
> > + dsi->format = MIPI_DSI_FMT_RGB888;
> > + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
> > + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> > + ret = mipi_dsi_attach(dsi);
> > + if (ret < 0) {
> > + DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
> > + goto err_dsi_attach;
> > + }
> > +
> > + ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
> > + if (ret) {
> > + DRM_DEV_ERROR(dev,
> > + "regulator set load failed for vdda supply ret = %d\n",
> > + ret);
> > + goto err_set_load;
> > + }
> > +
> > + ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
> > + if (ret) {
> > + DRM_DEV_ERROR(dev,
> > + "regulator set load failed for vdd3p3 supply ret = %d\n",
> > + ret);
> > + goto err_set_load;
> > + }
> > +
> > + return 0;
> > +
> > +err_set_load:
> > + mipi_dsi_detach(dsi);
> > +err_dsi_attach:
> > + drm_panel_remove(&ctx->panel);
> > + return ret;
> > +}
> > +
> > +static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
> > +{
> > + struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
> > +
> > + mipi_dsi_detach(ctx->dsi);
> > + mipi_dsi_device_unregister(ctx->dsi);
> > +
> > + drm_panel_remove(&ctx->panel);
> > + return 0;
> > +}
> > +
> > +static const struct of_device_id visionox_rm69299_of_match[] = {
> > + {
> > + .compatible = "visionox,rm69299-1080p-display",
> > + }
> > +};
> > +MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
> > +
> > +static struct mipi_dsi_driver visionox_rm69299_driver = {
> > + .driver = {
> > + .name = "panel-visionox-rm69299",
> > + .of_match_table = visionox_rm69299_of_match,
> > + },
> > + .probe = visionox_rm69299_probe,
> > + .remove = visionox_rm69299_remove,
> > +};
> > +module_mipi_dsi_driver(visionox_rm69299_driver);
> > +
> > +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> > +
> > --
> > 2.25.1
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
2020-05-14 3:35 ` Dave Airlie
@ 2020-05-14 4:43 ` Sam Ravnborg
-1 siblings, 0 replies; 25+ messages in thread
From: Sam Ravnborg @ 2020-05-14 4:43 UTC (permalink / raw)
To: Dave Airlie
Cc: Harigovindan P, freedreno, devicetree, linux-arm-msm, dri-devel,
Matthias Kaehlcke, Sean Paul, Sean Paul
Hi Dave.
On Thu, May 14, 2020 at 01:35:22PM +1000, Dave Airlie wrote:
> On Thu, 7 May 2020 at 04:57, Sam Ravnborg <sam@ravnborg.org> wrote:
> >
> > Hi Harigovindan
> >
> > On Wed, Apr 29, 2020 at 11:15:14AM +0530, Harigovindan P wrote:
> > > Add support for Visionox panel driver.
> > >
> > > Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> > > Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> >
> > Thanks for your persistence on this.
> > Patch applied.
> >
> > I fixed a few lingering --strict releated checkpatch warnings
> > when I applied.
> >
> > Sam
>
> I'm seeing
>
> WARNING: modpost: missing MODULE_LICENSE() in
> drivers/gpu/drm/panel/panel-visionox-rm69299.o
>
> Can we fix that up?
The patch is in drm-misc-next:
e41b49b7e4d4ad9755af4813a57b5f6a09e357d7
"drm: panel: add MODULE_LICENSE to panel-visionox-rm69299.c"
Holler if this does not fix it or we need to expedit it somehow.
Sam
>
> Dave.
>
> >
> > > ---
> > >
> > > Changes in v2:
> > > - Dropping redundant space in Kconfig(Sam Ravnborg).
> > > - Changing structure for include files(Sam Ravnborg).
> > > - Removing backlight related code and functions(Sam Ravnborg).
> > > - Removing repeated printing of error message(Sam Ravnborg).
> > > - Adding drm_connector as an argument for get_modes function.
> > > Changes in v3:
> > > - Adding arguments for drm_panel_init to support against mainline.
> > > Changes in v4:
> > > - Removing error messages from regulator_set_load.
> > > - Removing dev struct entry.
> > > - Removing checks.
> > > - Dropping empty comment lines.
> > > Changes in v5:
> > > - Removing unused struct member variables.
> > > - Removing blank lines.
> > > - Fixed indentation.
> > > - Invoking dsi_detach and panel_remove while early exiting from probe.
> > > Changes in v6:
> > > - Changed "35597" to "rm69299" for power_on function.
> > > - Removing rm69299_config since it supports single type of panel for now.
> > > - Fixed alignment.
> > > - Using goto statements when regulator_set_load fails.
> > > Changes in v7:
> > > - Added new goto statement when regulator_set_load fails.
> > > Changes in v8,v9,v10:
> > > - Had changes in first patch, did not make any change in panel driver.
> > > Changes in v11:
> > > - Fixing checkpatch script errors.
> > > - Updated assignment of panel.dev property in probe.
> > >
> > > drivers/gpu/drm/panel/Kconfig | 8 +
> > > drivers/gpu/drm/panel/Makefile | 1 +
> > > .../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
> > > 3 files changed, 313 insertions(+)
> > > create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > >
> > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> > > index d56258b9fcaf..4b6131f5893d 100644
> > > --- a/drivers/gpu/drm/panel/Kconfig
> > > +++ b/drivers/gpu/drm/panel/Kconfig
> > > @@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> > > Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> > > Video Mode panel
> > >
> > > +config DRM_PANEL_VISIONOX_RM69299
> > > + tristate "Visionox RM69299"
> > > + depends on OF
> > > + depends on DRM_MIPI_DSI
> > > + help
> > > + Say Y here if you want to enable support for Visionox
> > > + RM69299 DSI Video Mode panel.
> > > +
> > > config DRM_PANEL_XINPENG_XPP055C272
> > > tristate "Xinpeng XPP055C272 panel driver"
> > > depends on OF
> > > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> > > index 2335a1e32ae0..8eac3e6fa82c 100644
> > > --- a/drivers/gpu/drm/panel/Makefile
> > > +++ b/drivers/gpu/drm/panel/Makefile
> > > @@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
> > > obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
> > > obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
> > > obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> > > +obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
> > > obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
> > > diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > > new file mode 100644
> > > index 000000000000..3ef4cc80044a
> > > --- /dev/null
> > > +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > > @@ -0,0 +1,304 @@
> > > +// SPDX-License-Identifier: GPL-2.0
> > > +/*
> > > + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> > > + */
> > > +
> > > +#include <linux/delay.h>
> > > +#include <linux/module.h>
> > > +#include <linux/of_device.h>
> > > +#include <linux/gpio/consumer.h>
> > > +#include <linux/regulator/consumer.h>
> > > +
> > > +#include <video/mipi_display.h>
> > > +
> > > +#include <drm/drm_mipi_dsi.h>
> > > +#include <drm/drm_modes.h>
> > > +#include <drm/drm_panel.h>
> > > +#include <drm/drm_print.h>
> > > +
> > > +struct visionox_rm69299 {
> > > + struct drm_panel panel;
> > > + struct regulator_bulk_data supplies[2];
> > > + struct gpio_desc *reset_gpio;
> > > + struct mipi_dsi_device *dsi;
> > > + bool prepared;
> > > + bool enabled;
> > > +};
> > > +
> > > +static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
> > > +{
> > > + return container_of(panel, struct visionox_rm69299, panel);
> > > +}
> > > +
> > > +static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
> > > +{
> > > + int ret;
> > > +
> > > + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > > + if (ret < 0)
> > > + return ret;
> > > +
> > > + /*
> > > + * Reset sequence of visionox panel requires the panel to be
> > > + * out of reset for 10ms, followed by being held in reset
> > > + * for 10ms and then out again
> > > + */
> > > + gpiod_set_value(ctx->reset_gpio, 1);
> > > + usleep_range(10000, 20000);
> > > + gpiod_set_value(ctx->reset_gpio, 0);
> > > + usleep_range(10000, 20000);
> > > + gpiod_set_value(ctx->reset_gpio, 1);
> > > + usleep_range(10000, 20000);
> > > +
> > > + return 0;
> > > +}
> > > +
> > > +static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
> > > +{
> > > + gpiod_set_value(ctx->reset_gpio, 0);
> > > +
> > > + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > > +}
> > > +
> > > +static int visionox_rm69299_unprepare(struct drm_panel *panel)
> > > +{
> > > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > > + int ret;
> > > +
> > > + ctx->dsi->mode_flags = 0;
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
> > > + if (ret < 0)
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "set_display_off cmd failed ret = %d\n", ret);
> > > +
> > > + /* 120ms delay required here as per DCS spec */
> > > + msleep(120);
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "enter_sleep cmd failed ret = %d\n", ret);
> > > + }
> > > +
> > > + ret = visionox_rm69299_power_off(ctx);
> > > +
> > > + ctx->prepared = false;
> > > + return ret;
> > > +}
> > > +
> > > +static int visionox_rm69299_prepare(struct drm_panel *panel)
> > > +{
> > > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > > + int ret;
> > > +
> > > + if (ctx->prepared)
> > > + return 0;
> > > +
> > > + ret = visionox_rm69299_power_on(ctx);
> > > + if (ret < 0)
> > > + return ret;
> > > +
> > > + ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 0 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 1 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 2 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 3 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "exit_sleep_mode cmd failed ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + /* Per DSI spec wait 120ms after sending exit sleep DCS command */
> > > + msleep(120);
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "set_display_on cmd failed ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + /* Per DSI spec wait 120ms after sending set_display_on DCS command */
> > > + msleep(120);
> > > +
> > > + ctx->prepared = true;
> > > +
> > > + return 0;
> > > +
> > > +power_off:
> > > + return ret;
> > > +}
> > > +
> > > +static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
> > > + .name = "1080x2248",
> > > + .clock = 158695,
> > > + .hdisplay = 1080,
> > > + .hsync_start = 1080 + 26,
> > > + .hsync_end = 1080 + 26 + 2,
> > > + .htotal = 1080 + 26 + 2 + 36,
> > > + .vdisplay = 2248,
> > > + .vsync_start = 2248 + 56,
> > > + .vsync_end = 2248 + 56 + 4,
> > > + .vtotal = 2248 + 56 + 4 + 4,
> > > + .vrefresh = 60,
> > > + .flags = 0,
> > > +};
> > > +
> > > +static int visionox_rm69299_get_modes(struct drm_panel *panel,
> > > + struct drm_connector *connector)
> > > +{
> > > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > > + struct drm_display_mode *mode;
> > > +
> > > + mode = drm_mode_create(connector->dev);
> > > + if (!mode) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "failed to create a new display mode\n");
> > > + return 0;
> > > + }
> > > +
> > > + connector->display_info.width_mm = 74;
> > > + connector->display_info.height_mm = 131;
> > > + drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
> > > + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> > > + drm_mode_probed_add(connector, mode);
> > > +
> > > + return 1;
> > > +}
> > > +
> > > +static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
> > > + .unprepare = visionox_rm69299_unprepare,
> > > + .prepare = visionox_rm69299_prepare,
> > > + .get_modes = visionox_rm69299_get_modes,
> > > +};
> > > +
> > > +static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
> > > +{
> > > + struct device *dev = &dsi->dev;
> > > + struct visionox_rm69299 *ctx;
> > > + int ret;
> > > +
> > > + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> > > + if (!ctx)
> > > + return -ENOMEM;
> > > +
> > > + mipi_dsi_set_drvdata(dsi, ctx);
> > > +
> > > + ctx->panel.dev = dev;
> > > + ctx->dsi = dsi;
> > > +
> > > + ctx->supplies[0].supply = "vdda";
> > > + ctx->supplies[1].supply = "vdd3p3";
> > > +
> > > + ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
> > > + ctx->supplies);
> > > + if (ret < 0)
> > > + return ret;
> > > +
> > > + ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
> > > + "reset", GPIOD_OUT_LOW);
> > > + if (IS_ERR(ctx->reset_gpio)) {
> > > + DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
> > > + PTR_ERR(ctx->reset_gpio));
> > > + return PTR_ERR(ctx->reset_gpio);
> > > + }
> > > +
> > > + drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
> > > + DRM_MODE_CONNECTOR_DSI);
> > > + ctx->panel.dev = dev;
> > > + ctx->panel.funcs = &visionox_rm69299_drm_funcs;
> > > + drm_panel_add(&ctx->panel);
> > > +
> > > + dsi->lanes = 4;
> > > + dsi->format = MIPI_DSI_FMT_RGB888;
> > > + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
> > > + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> > > + ret = mipi_dsi_attach(dsi);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
> > > + goto err_dsi_attach;
> > > + }
> > > +
> > > + ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
> > > + if (ret) {
> > > + DRM_DEV_ERROR(dev,
> > > + "regulator set load failed for vdda supply ret = %d\n",
> > > + ret);
> > > + goto err_set_load;
> > > + }
> > > +
> > > + ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
> > > + if (ret) {
> > > + DRM_DEV_ERROR(dev,
> > > + "regulator set load failed for vdd3p3 supply ret = %d\n",
> > > + ret);
> > > + goto err_set_load;
> > > + }
> > > +
> > > + return 0;
> > > +
> > > +err_set_load:
> > > + mipi_dsi_detach(dsi);
> > > +err_dsi_attach:
> > > + drm_panel_remove(&ctx->panel);
> > > + return ret;
> > > +}
> > > +
> > > +static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
> > > +{
> > > + struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
> > > +
> > > + mipi_dsi_detach(ctx->dsi);
> > > + mipi_dsi_device_unregister(ctx->dsi);
> > > +
> > > + drm_panel_remove(&ctx->panel);
> > > + return 0;
> > > +}
> > > +
> > > +static const struct of_device_id visionox_rm69299_of_match[] = {
> > > + {
> > > + .compatible = "visionox,rm69299-1080p-display",
> > > + }
> > > +};
> > > +MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
> > > +
> > > +static struct mipi_dsi_driver visionox_rm69299_driver = {
> > > + .driver = {
> > > + .name = "panel-visionox-rm69299",
> > > + .of_match_table = visionox_rm69299_of_match,
> > > + },
> > > + .probe = visionox_rm69299_probe,
> > > + .remove = visionox_rm69299_remove,
> > > +};
> > > +module_mipi_dsi_driver(visionox_rm69299_driver);
> > > +
> > > +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> > > +
> > > --
> > > 2.25.1
> > > _______________________________________________
> > > dri-devel mailing list
> > > dri-devel@lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 25+ messages in thread* Re: [PATCH v11 1/2] drm/panel: add support for rm69299 visionox panel driver
@ 2020-05-14 4:43 ` Sam Ravnborg
0 siblings, 0 replies; 25+ messages in thread
From: Sam Ravnborg @ 2020-05-14 4:43 UTC (permalink / raw)
To: Dave Airlie
Cc: Sean Paul, devicetree, linux-arm-msm, Harigovindan P, dri-devel,
Matthias Kaehlcke, Sean Paul, freedreno
Hi Dave.
On Thu, May 14, 2020 at 01:35:22PM +1000, Dave Airlie wrote:
> On Thu, 7 May 2020 at 04:57, Sam Ravnborg <sam@ravnborg.org> wrote:
> >
> > Hi Harigovindan
> >
> > On Wed, Apr 29, 2020 at 11:15:14AM +0530, Harigovindan P wrote:
> > > Add support for Visionox panel driver.
> > >
> > > Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> > > Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> >
> > Thanks for your persistence on this.
> > Patch applied.
> >
> > I fixed a few lingering --strict releated checkpatch warnings
> > when I applied.
> >
> > Sam
>
> I'm seeing
>
> WARNING: modpost: missing MODULE_LICENSE() in
> drivers/gpu/drm/panel/panel-visionox-rm69299.o
>
> Can we fix that up?
The patch is in drm-misc-next:
e41b49b7e4d4ad9755af4813a57b5f6a09e357d7
"drm: panel: add MODULE_LICENSE to panel-visionox-rm69299.c"
Holler if this does not fix it or we need to expedit it somehow.
Sam
>
> Dave.
>
> >
> > > ---
> > >
> > > Changes in v2:
> > > - Dropping redundant space in Kconfig(Sam Ravnborg).
> > > - Changing structure for include files(Sam Ravnborg).
> > > - Removing backlight related code and functions(Sam Ravnborg).
> > > - Removing repeated printing of error message(Sam Ravnborg).
> > > - Adding drm_connector as an argument for get_modes function.
> > > Changes in v3:
> > > - Adding arguments for drm_panel_init to support against mainline.
> > > Changes in v4:
> > > - Removing error messages from regulator_set_load.
> > > - Removing dev struct entry.
> > > - Removing checks.
> > > - Dropping empty comment lines.
> > > Changes in v5:
> > > - Removing unused struct member variables.
> > > - Removing blank lines.
> > > - Fixed indentation.
> > > - Invoking dsi_detach and panel_remove while early exiting from probe.
> > > Changes in v6:
> > > - Changed "35597" to "rm69299" for power_on function.
> > > - Removing rm69299_config since it supports single type of panel for now.
> > > - Fixed alignment.
> > > - Using goto statements when regulator_set_load fails.
> > > Changes in v7:
> > > - Added new goto statement when regulator_set_load fails.
> > > Changes in v8,v9,v10:
> > > - Had changes in first patch, did not make any change in panel driver.
> > > Changes in v11:
> > > - Fixing checkpatch script errors.
> > > - Updated assignment of panel.dev property in probe.
> > >
> > > drivers/gpu/drm/panel/Kconfig | 8 +
> > > drivers/gpu/drm/panel/Makefile | 1 +
> > > .../gpu/drm/panel/panel-visionox-rm69299.c | 304 ++++++++++++++++++
> > > 3 files changed, 313 insertions(+)
> > > create mode 100644 drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > >
> > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> > > index d56258b9fcaf..4b6131f5893d 100644
> > > --- a/drivers/gpu/drm/panel/Kconfig
> > > +++ b/drivers/gpu/drm/panel/Kconfig
> > > @@ -444,6 +444,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
> > > Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> > > Video Mode panel
> > >
> > > +config DRM_PANEL_VISIONOX_RM69299
> > > + tristate "Visionox RM69299"
> > > + depends on OF
> > > + depends on DRM_MIPI_DSI
> > > + help
> > > + Say Y here if you want to enable support for Visionox
> > > + RM69299 DSI Video Mode panel.
> > > +
> > > config DRM_PANEL_XINPENG_XPP055C272
> > > tristate "Xinpeng XPP055C272 panel driver"
> > > depends on OF
> > > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> > > index 2335a1e32ae0..8eac3e6fa82c 100644
> > > --- a/drivers/gpu/drm/panel/Makefile
> > > +++ b/drivers/gpu/drm/panel/Makefile
> > > @@ -47,4 +47,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
> > > obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
> > > obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
> > > obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> > > +obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
> > > obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
> > > diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > > new file mode 100644
> > > index 000000000000..3ef4cc80044a
> > > --- /dev/null
> > > +++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
> > > @@ -0,0 +1,304 @@
> > > +// SPDX-License-Identifier: GPL-2.0
> > > +/*
> > > + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> > > + */
> > > +
> > > +#include <linux/delay.h>
> > > +#include <linux/module.h>
> > > +#include <linux/of_device.h>
> > > +#include <linux/gpio/consumer.h>
> > > +#include <linux/regulator/consumer.h>
> > > +
> > > +#include <video/mipi_display.h>
> > > +
> > > +#include <drm/drm_mipi_dsi.h>
> > > +#include <drm/drm_modes.h>
> > > +#include <drm/drm_panel.h>
> > > +#include <drm/drm_print.h>
> > > +
> > > +struct visionox_rm69299 {
> > > + struct drm_panel panel;
> > > + struct regulator_bulk_data supplies[2];
> > > + struct gpio_desc *reset_gpio;
> > > + struct mipi_dsi_device *dsi;
> > > + bool prepared;
> > > + bool enabled;
> > > +};
> > > +
> > > +static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
> > > +{
> > > + return container_of(panel, struct visionox_rm69299, panel);
> > > +}
> > > +
> > > +static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
> > > +{
> > > + int ret;
> > > +
> > > + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > > + if (ret < 0)
> > > + return ret;
> > > +
> > > + /*
> > > + * Reset sequence of visionox panel requires the panel to be
> > > + * out of reset for 10ms, followed by being held in reset
> > > + * for 10ms and then out again
> > > + */
> > > + gpiod_set_value(ctx->reset_gpio, 1);
> > > + usleep_range(10000, 20000);
> > > + gpiod_set_value(ctx->reset_gpio, 0);
> > > + usleep_range(10000, 20000);
> > > + gpiod_set_value(ctx->reset_gpio, 1);
> > > + usleep_range(10000, 20000);
> > > +
> > > + return 0;
> > > +}
> > > +
> > > +static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
> > > +{
> > > + gpiod_set_value(ctx->reset_gpio, 0);
> > > +
> > > + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
> > > +}
> > > +
> > > +static int visionox_rm69299_unprepare(struct drm_panel *panel)
> > > +{
> > > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > > + int ret;
> > > +
> > > + ctx->dsi->mode_flags = 0;
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
> > > + if (ret < 0)
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "set_display_off cmd failed ret = %d\n", ret);
> > > +
> > > + /* 120ms delay required here as per DCS spec */
> > > + msleep(120);
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "enter_sleep cmd failed ret = %d\n", ret);
> > > + }
> > > +
> > > + ret = visionox_rm69299_power_off(ctx);
> > > +
> > > + ctx->prepared = false;
> > > + return ret;
> > > +}
> > > +
> > > +static int visionox_rm69299_prepare(struct drm_panel *panel)
> > > +{
> > > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > > + int ret;
> > > +
> > > + if (ctx->prepared)
> > > + return 0;
> > > +
> > > + ret = visionox_rm69299_power_on(ctx);
> > > + if (ret < 0)
> > > + return ret;
> > > +
> > > + ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xfe, 0x00 }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 0 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0xc2, 0x08 }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 1 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x35, 0x00 }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 2 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]){ 0x51, 0xff }, 2);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "cmd set tx 3 failed, ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "exit_sleep_mode cmd failed ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + /* Per DSI spec wait 120ms after sending exit sleep DCS command */
> > > + msleep(120);
> > > +
> > > + ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "set_display_on cmd failed ret = %d\n", ret);
> > > + goto power_off;
> > > + }
> > > +
> > > + /* Per DSI spec wait 120ms after sending set_display_on DCS command */
> > > + msleep(120);
> > > +
> > > + ctx->prepared = true;
> > > +
> > > + return 0;
> > > +
> > > +power_off:
> > > + return ret;
> > > +}
> > > +
> > > +static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
> > > + .name = "1080x2248",
> > > + .clock = 158695,
> > > + .hdisplay = 1080,
> > > + .hsync_start = 1080 + 26,
> > > + .hsync_end = 1080 + 26 + 2,
> > > + .htotal = 1080 + 26 + 2 + 36,
> > > + .vdisplay = 2248,
> > > + .vsync_start = 2248 + 56,
> > > + .vsync_end = 2248 + 56 + 4,
> > > + .vtotal = 2248 + 56 + 4 + 4,
> > > + .vrefresh = 60,
> > > + .flags = 0,
> > > +};
> > > +
> > > +static int visionox_rm69299_get_modes(struct drm_panel *panel,
> > > + struct drm_connector *connector)
> > > +{
> > > + struct visionox_rm69299 *ctx = panel_to_ctx(panel);
> > > + struct drm_display_mode *mode;
> > > +
> > > + mode = drm_mode_create(connector->dev);
> > > + if (!mode) {
> > > + DRM_DEV_ERROR(ctx->panel.dev,
> > > + "failed to create a new display mode\n");
> > > + return 0;
> > > + }
> > > +
> > > + connector->display_info.width_mm = 74;
> > > + connector->display_info.height_mm = 131;
> > > + drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
> > > + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
> > > + drm_mode_probed_add(connector, mode);
> > > +
> > > + return 1;
> > > +}
> > > +
> > > +static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
> > > + .unprepare = visionox_rm69299_unprepare,
> > > + .prepare = visionox_rm69299_prepare,
> > > + .get_modes = visionox_rm69299_get_modes,
> > > +};
> > > +
> > > +static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
> > > +{
> > > + struct device *dev = &dsi->dev;
> > > + struct visionox_rm69299 *ctx;
> > > + int ret;
> > > +
> > > + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
> > > + if (!ctx)
> > > + return -ENOMEM;
> > > +
> > > + mipi_dsi_set_drvdata(dsi, ctx);
> > > +
> > > + ctx->panel.dev = dev;
> > > + ctx->dsi = dsi;
> > > +
> > > + ctx->supplies[0].supply = "vdda";
> > > + ctx->supplies[1].supply = "vdd3p3";
> > > +
> > > + ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
> > > + ctx->supplies);
> > > + if (ret < 0)
> > > + return ret;
> > > +
> > > + ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
> > > + "reset", GPIOD_OUT_LOW);
> > > + if (IS_ERR(ctx->reset_gpio)) {
> > > + DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
> > > + PTR_ERR(ctx->reset_gpio));
> > > + return PTR_ERR(ctx->reset_gpio);
> > > + }
> > > +
> > > + drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
> > > + DRM_MODE_CONNECTOR_DSI);
> > > + ctx->panel.dev = dev;
> > > + ctx->panel.funcs = &visionox_rm69299_drm_funcs;
> > > + drm_panel_add(&ctx->panel);
> > > +
> > > + dsi->lanes = 4;
> > > + dsi->format = MIPI_DSI_FMT_RGB888;
> > > + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
> > > + MIPI_DSI_CLOCK_NON_CONTINUOUS;
> > > + ret = mipi_dsi_attach(dsi);
> > > + if (ret < 0) {
> > > + DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
> > > + goto err_dsi_attach;
> > > + }
> > > +
> > > + ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
> > > + if (ret) {
> > > + DRM_DEV_ERROR(dev,
> > > + "regulator set load failed for vdda supply ret = %d\n",
> > > + ret);
> > > + goto err_set_load;
> > > + }
> > > +
> > > + ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
> > > + if (ret) {
> > > + DRM_DEV_ERROR(dev,
> > > + "regulator set load failed for vdd3p3 supply ret = %d\n",
> > > + ret);
> > > + goto err_set_load;
> > > + }
> > > +
> > > + return 0;
> > > +
> > > +err_set_load:
> > > + mipi_dsi_detach(dsi);
> > > +err_dsi_attach:
> > > + drm_panel_remove(&ctx->panel);
> > > + return ret;
> > > +}
> > > +
> > > +static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
> > > +{
> > > + struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
> > > +
> > > + mipi_dsi_detach(ctx->dsi);
> > > + mipi_dsi_device_unregister(ctx->dsi);
> > > +
> > > + drm_panel_remove(&ctx->panel);
> > > + return 0;
> > > +}
> > > +
> > > +static const struct of_device_id visionox_rm69299_of_match[] = {
> > > + {
> > > + .compatible = "visionox,rm69299-1080p-display",
> > > + }
> > > +};
> > > +MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
> > > +
> > > +static struct mipi_dsi_driver visionox_rm69299_driver = {
> > > + .driver = {
> > > + .name = "panel-visionox-rm69299",
> > > + .of_match_table = visionox_rm69299_of_match,
> > > + },
> > > + .probe = visionox_rm69299_probe,
> > > + .remove = visionox_rm69299_remove,
> > > +};
> > > +module_mipi_dsi_driver(visionox_rm69299_driver);
> > > +
> > > +MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
> > > +
> > > --
> > > 2.25.1
> > > _______________________________________________
> > > dri-devel mailing list
> > > dri-devel@lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
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