* [v2 PATCH 0/2] Add support for ASUS Z00T TM5P5 NT35596 panel
@ 2020-05-04 19:38 ` Konrad Dybcio
0 siblings, 0 replies; 9+ messages in thread
From: Konrad Dybcio @ 2020-05-04 19:38 UTC (permalink / raw)
Cc: Konrad Dybcio, Thierry Reding, Sam Ravnborg, David Airlie,
Daniel Vetter, Rob Herring, dri-devel, devicetree, linux-kernel
changes since v1:
- make `backlight_properties props` constant
- a couple of line breaks
- change name and compatible to reflect ASUS being the vendor
- remove a redundant TODO
Konrad Dybcio (2):
drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver
dt-bindings: display: Document ASUS Z00T TM5P5 NT35596 panel
compatible
.../display/panel/asus,z00t-tm5p5-n35596.yaml | 56 +++
drivers/gpu/drm/panel/Kconfig | 10 +
drivers/gpu/drm/panel/Makefile | 1 +
.../drm/panel/panel-asus-z00t-tm5p5-n35596.c | 367 ++++++++++++++++++
4 files changed, 434 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml
create mode 100644 drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
--
2.26.1
^ permalink raw reply [flat|nested] 9+ messages in thread* [v2 PATCH 0/2] Add support for ASUS Z00T TM5P5 NT35596 panel @ 2020-05-04 19:38 ` Konrad Dybcio 0 siblings, 0 replies; 9+ messages in thread From: Konrad Dybcio @ 2020-05-04 19:38 UTC (permalink / raw) Cc: devicetree, David Airlie, Konrad Dybcio, dri-devel, linux-kernel, Rob Herring, Thierry Reding, Sam Ravnborg changes since v1: - make `backlight_properties props` constant - a couple of line breaks - change name and compatible to reflect ASUS being the vendor - remove a redundant TODO Konrad Dybcio (2): drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver dt-bindings: display: Document ASUS Z00T TM5P5 NT35596 panel compatible .../display/panel/asus,z00t-tm5p5-n35596.yaml | 56 +++ drivers/gpu/drm/panel/Kconfig | 10 + drivers/gpu/drm/panel/Makefile | 1 + .../drm/panel/panel-asus-z00t-tm5p5-n35596.c | 367 ++++++++++++++++++ 4 files changed, 434 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml create mode 100644 drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c -- 2.26.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 9+ messages in thread
* [v2 PATCH 1/2] drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver 2020-05-04 19:38 ` Konrad Dybcio @ 2020-05-04 19:38 ` Konrad Dybcio -1 siblings, 0 replies; 9+ messages in thread From: Konrad Dybcio @ 2020-05-04 19:38 UTC (permalink / raw) Cc: Konrad Dybcio, Thierry Reding, Sam Ravnborg, David Airlie, Daniel Vetter, Rob Herring, dri-devel, devicetree, linux-kernel This adds support for TMP5P5 NT35596 1080x1920 video mode panel that can be found on some Asus Zenfone 2 Laser (Z00T) devices. This panel seems to only be found in this device and we have no straightforward way of actually getting the correct model number, as no schematics are released publicly. Signed-off-by: Konrad Dybcio <konradybcio@gmail.com> --- drivers/gpu/drm/panel/Kconfig | 10 + drivers/gpu/drm/panel/Makefile | 1 + .../drm/panel/panel-asus-z00t-tm5p5-n35596.c | 367 ++++++++++++++++++ 3 files changed, 378 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index a1723c1b5fbf8..3aa57a927c4bd 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -18,6 +18,16 @@ config DRM_PANEL_ARM_VERSATILE reference designs. The panel is detected using special registers in the Versatile family syscon registers. +config DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 + tristate "ASUS Z00T TM5P5 NT35596 panel" + depends on GPIOLIB && OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for the ASUS TMP5P5 + NT35596 1080x1920 video mode panel as found in some Asus + Zenfone 2 Laser Z00T devices. + config DRM_PANEL_BOE_HIMAX8279D tristate "Boe Himax8279d panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 96a883cd66305..3efc1de93aeeb 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o +obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c new file mode 100644 index 0000000000000..ec5599685a4c2 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c @@ -0,0 +1,367 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct tm5p5_nt35596 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpio; + bool prepared; +}; + +static inline struct tm5p5_nt35596 *to_tm5p5_nt35596(struct drm_panel *panel) +{ + return container_of(panel, struct tm5p5_nt35596, panel); +} + +#define dsi_generic_write_seq(dsi, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +#define dsi_dcs_write_seq(dsi, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static void tm5p5_nt35596_reset(struct tm5p5_nt35596 *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(15000, 16000); +} + +static int tm5p5_nt35596_on(struct tm5p5_nt35596 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + + dsi_generic_write_seq(dsi, 0xff, 0x05); + dsi_generic_write_seq(dsi, 0xfb, 0x01); + dsi_generic_write_seq(dsi, 0xc5, 0x31); + dsi_generic_write_seq(dsi, 0xff, 0x04); + dsi_generic_write_seq(dsi, 0x01, 0x84); + dsi_generic_write_seq(dsi, 0x05, 0x25); + dsi_generic_write_seq(dsi, 0x06, 0x01); + dsi_generic_write_seq(dsi, 0x07, 0x20); + dsi_generic_write_seq(dsi, 0x08, 0x06); + dsi_generic_write_seq(dsi, 0x09, 0x08); + dsi_generic_write_seq(dsi, 0x0a, 0x10); + dsi_generic_write_seq(dsi, 0x0b, 0x10); + dsi_generic_write_seq(dsi, 0x0c, 0x10); + dsi_generic_write_seq(dsi, 0x0d, 0x14); + dsi_generic_write_seq(dsi, 0x0e, 0x14); + dsi_generic_write_seq(dsi, 0x0f, 0x14); + dsi_generic_write_seq(dsi, 0x10, 0x14); + dsi_generic_write_seq(dsi, 0x11, 0x14); + dsi_generic_write_seq(dsi, 0x12, 0x14); + dsi_generic_write_seq(dsi, 0x17, 0xf3); + dsi_generic_write_seq(dsi, 0x18, 0xc0); + dsi_generic_write_seq(dsi, 0x19, 0xc0); + dsi_generic_write_seq(dsi, 0x1a, 0xc0); + dsi_generic_write_seq(dsi, 0x1b, 0xb3); + dsi_generic_write_seq(dsi, 0x1c, 0xb3); + dsi_generic_write_seq(dsi, 0x1d, 0xb3); + dsi_generic_write_seq(dsi, 0x1e, 0xb3); + dsi_generic_write_seq(dsi, 0x1f, 0xb3); + dsi_generic_write_seq(dsi, 0x20, 0xb3); + dsi_generic_write_seq(dsi, 0xfb, 0x01); + dsi_generic_write_seq(dsi, 0xff, 0x00); + dsi_generic_write_seq(dsi, 0xfb, 0x01); + dsi_generic_write_seq(dsi, 0x35, 0x01); + dsi_generic_write_seq(dsi, 0xd3, 0x06); + dsi_generic_write_seq(dsi, 0xd4, 0x04); + dsi_generic_write_seq(dsi, 0x5e, 0x0d); + dsi_generic_write_seq(dsi, 0x11, 0x00); + msleep(100); + dsi_generic_write_seq(dsi, 0x29, 0x00); + dsi_generic_write_seq(dsi, 0x53, 0x24); + + return 0; +} + +static int tm5p5_nt35596_off(struct tm5p5_nt35596 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + msleep(60); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + return ret; + } + + dsi_dcs_write_seq(dsi, 0x4f, 0x01); + + return 0; +} + +static int tm5p5_nt35596_prepare(struct drm_panel *panel) +{ + struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators: %d\n", ret); + return ret; + } + + tm5p5_nt35596_reset(ctx); + + ret = tm5p5_nt35596_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int tm5p5_nt35596_unprepare(struct drm_panel *panel) +{ + struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = tm5p5_nt35596_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode tm5p5_nt35596_mode = { + .clock = (1080 + 100 + 8 + 16) * (1920 + 4 + 2 + 4) * 60 / 1000, + .hdisplay = 1080, + .hsync_start = 1080 + 100, + .hsync_end = 1080 + 100 + 8, + .htotal = 1080 + 100 + 8 + 16, + .vdisplay = 1920, + .vsync_start = 1920 + 4, + .vsync_end = 1920 + 4 + 2, + .vtotal = 1920 + 4 + 2 + 4, + .vrefresh = 60, + .width_mm = 68, + .height_mm = 121, +}; + +static int tm5p5_nt35596_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &tm5p5_nt35596_mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs tm5p5_nt35596_panel_funcs = { + .prepare = tm5p5_nt35596_prepare, + .unprepare = tm5p5_nt35596_unprepare, + .get_modes = tm5p5_nt35596_get_modes, +}; + +static int tm5p5_nt35596_bl_update_status(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = bl->props.brightness; + int ret; + + if (bl->props.power != FB_BLANK_UNBLANK || + bl->props.fb_blank != FB_BLANK_UNBLANK || + bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) + brightness = 0; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return 0; +} + +static int tm5p5_nt35596_bl_get_brightness(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = bl->props.brightness; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return brightness & 0xff; +} + +static const struct backlight_ops tm5p5_nt35596_bl_ops = { + .update_status = tm5p5_nt35596_bl_update_status, + .get_brightness = tm5p5_nt35596_bl_get_brightness, +}; + +static struct backlight_device * +tm5p5_nt35596_create_backlight(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + const struct backlight_properties props = { + .type = BACKLIGHT_RAW, + .brightness = 255, + .max_brightness = 255, + }; + + return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, + &tm5p5_nt35596_bl_ops, &props); +} + +static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct tm5p5_nt35596 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "vdd"; + ctx->supplies[1].supply = "vddio"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to get regulators: %d\n", ret); + return ret; + } + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) { + ret = PTR_ERR(ctx->reset_gpio); + dev_err(dev, "Failed to get reset-gpios: %d\n", ret); + return ret; + } + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; + + drm_panel_init(&ctx->panel, dev, &tm5p5_nt35596_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ctx->panel.backlight = tm5p5_nt35596_create_backlight(dsi); + if (IS_ERR(ctx->panel.backlight)) { + ret = PTR_ERR(ctx->panel.backlight); + dev_err(dev, "Failed to create backlight: %d\n", ret); + return ret; + } + + ret = drm_panel_add(&ctx->panel); + if (ret < 0) { + dev_err(dev, "Failed to add panel: %d\n", ret); + return ret; + } + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + return ret; + } + + return 0; +} + +static int tm5p5_nt35596_remove(struct mipi_dsi_device *dsi) +{ + struct tm5p5_nt35596 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, + "Failed to detach from DSI host: %d\n", ret); + + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id tm5p5_nt35596_of_match[] = { + { .compatible = "asus,z00t-tm5p5-n35596" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, tm5p5_nt35596_of_match); + +static struct mipi_dsi_driver tm5p5_nt35596_driver = { + .probe = tm5p5_nt35596_probe, + .remove = tm5p5_nt35596_remove, + .driver = { + .name = "panel-tm5p5-nt35596", + .of_match_table = tm5p5_nt35596_of_match, + }, +}; +module_mipi_dsi_driver(tm5p5_nt35596_driver); + +MODULE_AUTHOR("Konrad Dybcio <konradybcio@gmail.com>"); +MODULE_DESCRIPTION("DRM driver for tm5p5 nt35596 1080p video mode dsi panel"); +MODULE_LICENSE("GPL v2"); -- 2.26.1 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [v2 PATCH 1/2] drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver @ 2020-05-04 19:38 ` Konrad Dybcio 0 siblings, 0 replies; 9+ messages in thread From: Konrad Dybcio @ 2020-05-04 19:38 UTC (permalink / raw) Cc: devicetree, David Airlie, Konrad Dybcio, dri-devel, linux-kernel, Rob Herring, Thierry Reding, Sam Ravnborg This adds support for TMP5P5 NT35596 1080x1920 video mode panel that can be found on some Asus Zenfone 2 Laser (Z00T) devices. This panel seems to only be found in this device and we have no straightforward way of actually getting the correct model number, as no schematics are released publicly. Signed-off-by: Konrad Dybcio <konradybcio@gmail.com> --- drivers/gpu/drm/panel/Kconfig | 10 + drivers/gpu/drm/panel/Makefile | 1 + .../drm/panel/panel-asus-z00t-tm5p5-n35596.c | 367 ++++++++++++++++++ 3 files changed, 378 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index a1723c1b5fbf8..3aa57a927c4bd 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -18,6 +18,16 @@ config DRM_PANEL_ARM_VERSATILE reference designs. The panel is detected using special registers in the Versatile family syscon registers. +config DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 + tristate "ASUS Z00T TM5P5 NT35596 panel" + depends on GPIOLIB && OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for the ASUS TMP5P5 + NT35596 1080x1920 video mode panel as found in some Asus + Zenfone 2 Laser Z00T devices. + config DRM_PANEL_BOE_HIMAX8279D tristate "Boe Himax8279d panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 96a883cd66305..3efc1de93aeeb 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o +obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c new file mode 100644 index 0000000000000..ec5599685a4c2 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c @@ -0,0 +1,367 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct tm5p5_nt35596 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpio; + bool prepared; +}; + +static inline struct tm5p5_nt35596 *to_tm5p5_nt35596(struct drm_panel *panel) +{ + return container_of(panel, struct tm5p5_nt35596, panel); +} + +#define dsi_generic_write_seq(dsi, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +#define dsi_dcs_write_seq(dsi, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static void tm5p5_nt35596_reset(struct tm5p5_nt35596 *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(15000, 16000); +} + +static int tm5p5_nt35596_on(struct tm5p5_nt35596 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + + dsi_generic_write_seq(dsi, 0xff, 0x05); + dsi_generic_write_seq(dsi, 0xfb, 0x01); + dsi_generic_write_seq(dsi, 0xc5, 0x31); + dsi_generic_write_seq(dsi, 0xff, 0x04); + dsi_generic_write_seq(dsi, 0x01, 0x84); + dsi_generic_write_seq(dsi, 0x05, 0x25); + dsi_generic_write_seq(dsi, 0x06, 0x01); + dsi_generic_write_seq(dsi, 0x07, 0x20); + dsi_generic_write_seq(dsi, 0x08, 0x06); + dsi_generic_write_seq(dsi, 0x09, 0x08); + dsi_generic_write_seq(dsi, 0x0a, 0x10); + dsi_generic_write_seq(dsi, 0x0b, 0x10); + dsi_generic_write_seq(dsi, 0x0c, 0x10); + dsi_generic_write_seq(dsi, 0x0d, 0x14); + dsi_generic_write_seq(dsi, 0x0e, 0x14); + dsi_generic_write_seq(dsi, 0x0f, 0x14); + dsi_generic_write_seq(dsi, 0x10, 0x14); + dsi_generic_write_seq(dsi, 0x11, 0x14); + dsi_generic_write_seq(dsi, 0x12, 0x14); + dsi_generic_write_seq(dsi, 0x17, 0xf3); + dsi_generic_write_seq(dsi, 0x18, 0xc0); + dsi_generic_write_seq(dsi, 0x19, 0xc0); + dsi_generic_write_seq(dsi, 0x1a, 0xc0); + dsi_generic_write_seq(dsi, 0x1b, 0xb3); + dsi_generic_write_seq(dsi, 0x1c, 0xb3); + dsi_generic_write_seq(dsi, 0x1d, 0xb3); + dsi_generic_write_seq(dsi, 0x1e, 0xb3); + dsi_generic_write_seq(dsi, 0x1f, 0xb3); + dsi_generic_write_seq(dsi, 0x20, 0xb3); + dsi_generic_write_seq(dsi, 0xfb, 0x01); + dsi_generic_write_seq(dsi, 0xff, 0x00); + dsi_generic_write_seq(dsi, 0xfb, 0x01); + dsi_generic_write_seq(dsi, 0x35, 0x01); + dsi_generic_write_seq(dsi, 0xd3, 0x06); + dsi_generic_write_seq(dsi, 0xd4, 0x04); + dsi_generic_write_seq(dsi, 0x5e, 0x0d); + dsi_generic_write_seq(dsi, 0x11, 0x00); + msleep(100); + dsi_generic_write_seq(dsi, 0x29, 0x00); + dsi_generic_write_seq(dsi, 0x53, 0x24); + + return 0; +} + +static int tm5p5_nt35596_off(struct tm5p5_nt35596 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + msleep(60); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + return ret; + } + + dsi_dcs_write_seq(dsi, 0x4f, 0x01); + + return 0; +} + +static int tm5p5_nt35596_prepare(struct drm_panel *panel) +{ + struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators: %d\n", ret); + return ret; + } + + tm5p5_nt35596_reset(ctx); + + ret = tm5p5_nt35596_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int tm5p5_nt35596_unprepare(struct drm_panel *panel) +{ + struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = tm5p5_nt35596_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode tm5p5_nt35596_mode = { + .clock = (1080 + 100 + 8 + 16) * (1920 + 4 + 2 + 4) * 60 / 1000, + .hdisplay = 1080, + .hsync_start = 1080 + 100, + .hsync_end = 1080 + 100 + 8, + .htotal = 1080 + 100 + 8 + 16, + .vdisplay = 1920, + .vsync_start = 1920 + 4, + .vsync_end = 1920 + 4 + 2, + .vtotal = 1920 + 4 + 2 + 4, + .vrefresh = 60, + .width_mm = 68, + .height_mm = 121, +}; + +static int tm5p5_nt35596_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &tm5p5_nt35596_mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs tm5p5_nt35596_panel_funcs = { + .prepare = tm5p5_nt35596_prepare, + .unprepare = tm5p5_nt35596_unprepare, + .get_modes = tm5p5_nt35596_get_modes, +}; + +static int tm5p5_nt35596_bl_update_status(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = bl->props.brightness; + int ret; + + if (bl->props.power != FB_BLANK_UNBLANK || + bl->props.fb_blank != FB_BLANK_UNBLANK || + bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK)) + brightness = 0; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return 0; +} + +static int tm5p5_nt35596_bl_get_brightness(struct backlight_device *bl) +{ + struct mipi_dsi_device *dsi = bl_get_data(bl); + u16 brightness = bl->props.brightness; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness); + if (ret < 0) + return ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + return brightness & 0xff; +} + +static const struct backlight_ops tm5p5_nt35596_bl_ops = { + .update_status = tm5p5_nt35596_bl_update_status, + .get_brightness = tm5p5_nt35596_bl_get_brightness, +}; + +static struct backlight_device * +tm5p5_nt35596_create_backlight(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + const struct backlight_properties props = { + .type = BACKLIGHT_RAW, + .brightness = 255, + .max_brightness = 255, + }; + + return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, + &tm5p5_nt35596_bl_ops, &props); +} + +static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct tm5p5_nt35596 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "vdd"; + ctx->supplies[1].supply = "vddio"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) { + dev_err(dev, "Failed to get regulators: %d\n", ret); + return ret; + } + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) { + ret = PTR_ERR(ctx->reset_gpio); + dev_err(dev, "Failed to get reset-gpios: %d\n", ret); + return ret; + } + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; + + drm_panel_init(&ctx->panel, dev, &tm5p5_nt35596_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ctx->panel.backlight = tm5p5_nt35596_create_backlight(dsi); + if (IS_ERR(ctx->panel.backlight)) { + ret = PTR_ERR(ctx->panel.backlight); + dev_err(dev, "Failed to create backlight: %d\n", ret); + return ret; + } + + ret = drm_panel_add(&ctx->panel); + if (ret < 0) { + dev_err(dev, "Failed to add panel: %d\n", ret); + return ret; + } + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + return ret; + } + + return 0; +} + +static int tm5p5_nt35596_remove(struct mipi_dsi_device *dsi) +{ + struct tm5p5_nt35596 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, + "Failed to detach from DSI host: %d\n", ret); + + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id tm5p5_nt35596_of_match[] = { + { .compatible = "asus,z00t-tm5p5-n35596" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, tm5p5_nt35596_of_match); + +static struct mipi_dsi_driver tm5p5_nt35596_driver = { + .probe = tm5p5_nt35596_probe, + .remove = tm5p5_nt35596_remove, + .driver = { + .name = "panel-tm5p5-nt35596", + .of_match_table = tm5p5_nt35596_of_match, + }, +}; +module_mipi_dsi_driver(tm5p5_nt35596_driver); + +MODULE_AUTHOR("Konrad Dybcio <konradybcio@gmail.com>"); +MODULE_DESCRIPTION("DRM driver for tm5p5 nt35596 1080p video mode dsi panel"); +MODULE_LICENSE("GPL v2"); -- 2.26.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [v2 PATCH 1/2] drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver 2020-05-04 19:38 ` Konrad Dybcio @ 2020-05-04 19:56 ` Randy Dunlap -1 siblings, 0 replies; 9+ messages in thread From: Randy Dunlap @ 2020-05-04 19:56 UTC (permalink / raw) To: Konrad Dybcio Cc: Thierry Reding, Sam Ravnborg, David Airlie, Daniel Vetter, Rob Herring, dri-devel, devicetree, linux-kernel On 5/4/20 12:38 PM, Konrad Dybcio wrote: > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index a1723c1b5fbf8..3aa57a927c4bd 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -18,6 +18,16 @@ config DRM_PANEL_ARM_VERSATILE > reference designs. The panel is detected using special registers > in the Versatile family syscon registers. > > +config DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 > + tristate "ASUS Z00T TM5P5 NT35596 panel" > + depends on GPIOLIB && OF > + depends on DRM_MIPI_DSI > + depends on BACKLIGHT_CLASS_DEVICE > + help > + Say Y here if you want to enable support for the ASUS TMP5P5 > + NT35596 1080x1920 video mode panel as found in some Asus > + Zenfone 2 Laser Z00T devices. > + > config DRM_PANEL_BOE_HIMAX8279D > tristate "Boe Himax8279d panel" > depends on OF Hi, Please clean up the config entry indentation. The keywords (tristate, depends, help) should all be indented with one tab (not spaces) and the help text should be indented with one tab + 2 spaces. thanks. -- ~Randy ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [v2 PATCH 1/2] drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver @ 2020-05-04 19:56 ` Randy Dunlap 0 siblings, 0 replies; 9+ messages in thread From: Randy Dunlap @ 2020-05-04 19:56 UTC (permalink / raw) To: Konrad Dybcio Cc: devicetree, David Airlie, linux-kernel, dri-devel, Rob Herring, Thierry Reding, Sam Ravnborg On 5/4/20 12:38 PM, Konrad Dybcio wrote: > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index a1723c1b5fbf8..3aa57a927c4bd 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -18,6 +18,16 @@ config DRM_PANEL_ARM_VERSATILE > reference designs. The panel is detected using special registers > in the Versatile family syscon registers. > > +config DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 > + tristate "ASUS Z00T TM5P5 NT35596 panel" > + depends on GPIOLIB && OF > + depends on DRM_MIPI_DSI > + depends on BACKLIGHT_CLASS_DEVICE > + help > + Say Y here if you want to enable support for the ASUS TMP5P5 > + NT35596 1080x1920 video mode panel as found in some Asus > + Zenfone 2 Laser Z00T devices. > + > config DRM_PANEL_BOE_HIMAX8279D > tristate "Boe Himax8279d panel" > depends on OF Hi, Please clean up the config entry indentation. The keywords (tristate, depends, help) should all be indented with one tab (not spaces) and the help text should be indented with one tab + 2 spaces. thanks. -- ~Randy _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [v2 PATCH 1/2] drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver 2020-05-04 19:56 ` Randy Dunlap (?) @ 2020-05-04 20:01 ` Konrad Dybcio -1 siblings, 0 replies; 9+ messages in thread From: Konrad Dybcio @ 2020-05-04 20:01 UTC (permalink / raw) To: Randy Dunlap Cc: DTML, David Airlie, Linux Kernel Mailing List, dri-devel, Rob Herring, Thierry Reding, Sam Ravnborg [-- Attachment #1.1: Type: text/plain, Size: 56 bytes --] I just sent out a v3. Hope it solves the issue. Konrad [-- Attachment #1.2: Type: text/html, Size: 101 bytes --] [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 9+ messages in thread
* [v2 PATCH 2/2] dt-bindings: display: Document ASUS Z00T TM5P5 NT35596 panel compatible 2020-05-04 19:38 ` Konrad Dybcio @ 2020-05-04 19:38 ` Konrad Dybcio -1 siblings, 0 replies; 9+ messages in thread From: Konrad Dybcio @ 2020-05-04 19:38 UTC (permalink / raw) Cc: Konrad Dybcio, Thierry Reding, Sam Ravnborg, David Airlie, Daniel Vetter, Rob Herring, dri-devel, devicetree, linux-kernel Signed-off-by: Konrad Dybcio <konradybcio@gmail.com> --- .../display/panel/asus,z00t-tm5p5-n35596.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml diff --git a/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml b/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml new file mode 100644 index 0000000000000..aa8940e493eb1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/tm5p5,nt35596.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASUS Z00T TM5P5 NT35596 5.5" 1080×1920 LCD Panel + +maintainers: + - Konrad Dybcio <konradybcio@gmail.com> + +description: |+ + This panel seems to only be found in the Asus Z00T + smartphone and we have no straightforward way of + actually getting the correct model number, + as no schematics are released publicly. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: asus,z00t-tm5p5-n35596 + reg: true + reset-gpios: true + vdd-supply: + description: core voltage supply + vddio-supply: + description: vddio supply + +required: + - compatible + - reg + - vdd-supply + - vddio-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + reg = <0>; + + compatible = "asus,z00t-tm5p5-n35596"; + + vdd-supply = <&pm8916_l8>; + vddio-supply = <&pm8916_l6>; + reset-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>; + }; + }; -- 2.26.1 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [v2 PATCH 2/2] dt-bindings: display: Document ASUS Z00T TM5P5 NT35596 panel compatible @ 2020-05-04 19:38 ` Konrad Dybcio 0 siblings, 0 replies; 9+ messages in thread From: Konrad Dybcio @ 2020-05-04 19:38 UTC (permalink / raw) Cc: devicetree, David Airlie, Konrad Dybcio, dri-devel, linux-kernel, Rob Herring, Thierry Reding, Sam Ravnborg Signed-off-by: Konrad Dybcio <konradybcio@gmail.com> --- .../display/panel/asus,z00t-tm5p5-n35596.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml diff --git a/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml b/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml new file mode 100644 index 0000000000000..aa8940e493eb1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-n35596.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/tm5p5,nt35596.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASUS Z00T TM5P5 NT35596 5.5" 1080×1920 LCD Panel + +maintainers: + - Konrad Dybcio <konradybcio@gmail.com> + +description: |+ + This panel seems to only be found in the Asus Z00T + smartphone and we have no straightforward way of + actually getting the correct model number, + as no schematics are released publicly. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: asus,z00t-tm5p5-n35596 + reg: true + reset-gpios: true + vdd-supply: + description: core voltage supply + vddio-supply: + description: vddio supply + +required: + - compatible + - reg + - vdd-supply + - vddio-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + reg = <0>; + + compatible = "asus,z00t-tm5p5-n35596"; + + vdd-supply = <&pm8916_l8>; + vddio-supply = <&pm8916_l6>; + reset-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>; + }; + }; -- 2.26.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply related [flat|nested] 9+ messages in thread
end of thread, other threads:[~2020-05-05 6:59 UTC | newest] Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-05-04 19:38 [v2 PATCH 0/2] Add support for ASUS Z00T TM5P5 NT35596 panel Konrad Dybcio 2020-05-04 19:38 ` Konrad Dybcio 2020-05-04 19:38 ` [v2 PATCH 1/2] drivers: drm: panel: Add ASUS TM5P5 NT35596 panel driver Konrad Dybcio 2020-05-04 19:38 ` Konrad Dybcio 2020-05-04 19:56 ` Randy Dunlap 2020-05-04 19:56 ` Randy Dunlap 2020-05-04 20:01 ` Konrad Dybcio 2020-05-04 19:38 ` [v2 PATCH 2/2] dt-bindings: display: Document ASUS Z00T TM5P5 NT35596 panel compatible Konrad Dybcio 2020-05-04 19:38 ` Konrad Dybcio
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