| Message ID | 20231223-pinetab2-v2-2-ec1856d0030e@mecka.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: rockchip: Pine64 pinetab2 support | expand |
On 12/23/2023 7:20 AM, Manuel Traut wrote: > From: Alexander Warnecke <awarnecke002@hotmail.com> > > The BOE TH101MB31IG002-28A panel is a WXGA panel. > It is used in Pine64 Pinetab2 and PinetabV. > > Signed-off-by: Alexander Warnecke <awarnecke002@hotmail.com> > Signed-off-by: Manuel Traut <manut@mecka.net> > --- > drivers/gpu/drm/panel/Kconfig | 11 + > drivers/gpu/drm/panel/Makefile | 1 + > .../gpu/drm/panel/panel-boe-th101mb31ig002-28a.c | 348 +++++++++++++++++++++ > 3 files changed, 360 insertions(+) > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index 99e14dc212ec..927ddd10e688 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -67,6 +67,17 @@ config DRM_PANEL_BOE_HIMAX8279D > 24 bit RGB per pixel. It provides a MIPI DSI interface to > the host and has a built-in LED backlight. > > +config DRM_PANEL_BOE_TH101MB31UIG002_28A > + tristate "Boe TH101MB31UIG002-28A panel" > + depends on OF > + depends on DRM_MIPI_DSI > + depends on BACKLIGHT_CLASS_DEVICE > + help > + Say Y here if you want to enable support for Boe > + TH101MB31UIG002-28A TFT-LCD modules. The panel has a 800x1280 > + resolution and uses 24 bit RGB per pixel. It provides a MIPI DSI > + interface to the host and has a built-in LED backlight. > + > config DRM_PANEL_BOE_TV101WUM_NL6 > tristate "BOE TV101WUM and AUO KD101N80 45NA 1200x1920 panel" > depends on OF > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile > index d10c3de51c6d..dd6e1ac9d0a2 100644 > --- a/drivers/gpu/drm/panel/Makefile > +++ b/drivers/gpu/drm/panel/Makefile > @@ -5,6 +5,7 @@ obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596. > obj-$(CONFIG_DRM_PANEL_AUO_A030JTN01) += panel-auo-a030jtn01.o > obj-$(CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0) += panel-boe-bf060y8m-aj0.o > obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o > +obj-$(CONFIG_DRM_PANEL_BOE_TH101MB31UIG002_28A) += panel-boe-th101mb31ig002-28a.o > obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o > obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o > obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o > diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c > new file mode 100644 > index 000000000000..ffe4047b7434 > --- /dev/null > +++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c > @@ -0,0 +1,348 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2023 Alexander Warnecke <awarnecke002@hotmail.com> > + * Copyright (c) 2023 Manuel Traut <manut@mecka.net> > + * Copyright (c) 2023 Dang Huynh <danct12@riseup.net> > + */ > + > +#include <linux/delay.h> > +#include <linux/gpio/consumer.h> > +#include <linux/module.h> > +#include <linux/of.h> > +#include <linux/of_device.h> > +#include <linux/regulator/consumer.h> > + > +#include <drm/drm_connector.h> > +#include <drm/drm_mipi_dsi.h> > +#include <drm/drm_modes.h> > +#include <drm/drm_panel.h> > + > +struct boe_th101mb31ig002 { > + struct drm_panel panel; > + bool enabled; > + bool prepared; Hi Manuel, Sorry, I responded to the v1 instead of the latest version. Carrying my comment over to here: If I remember correctly, commit d2aacaf07395bd798373cbec6af05fff4147aff3 should have introduced prepared/enabled do the drm_panel struct. Thanks, Jessica Zhang > + > + struct mipi_dsi_device *dsi; > + > + struct regulator *power; > + struct gpio_desc *enable; > + struct gpio_desc *reset; > + > + enum drm_panel_orientation orientation; > +}; > + > +static void boe_th101mb31ig002_reset(struct boe_th101mb31ig002 *ctx) > +{ > + gpiod_direction_output(ctx->reset, 0); > + usleep_range(10, 100); > + gpiod_direction_output(ctx->reset, 1); > + usleep_range(10, 100); > + gpiod_direction_output(ctx->reset, 0); > + usleep_range(5000, 6000); > +} > + > +static int boe_th101mb31ig002_enable(struct drm_panel *panel) > +{ > + struct boe_th101mb31ig002 *ctx = container_of(panel, > + struct boe_th101mb31ig002, > + panel); > + struct mipi_dsi_device *dsi = ctx->dsi; > + struct device *dev = &dsi->dev; > + int ret; > + > + if (ctx->enabled) > + return 0; > + > + mipi_dsi_dcs_write_seq(dsi, 0xE0, 0xAB, 0xBA); > + mipi_dsi_dcs_write_seq(dsi, 0xE1, 0xBA, 0xAB); > + mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x10, 0x01, 0x47, 0xFF); > + mipi_dsi_dcs_write_seq(dsi, 0xB2, 0x0C, 0x14, 0x04, 0x50, 0x50, 0x14); > + mipi_dsi_dcs_write_seq(dsi, 0xB3, 0x56, 0x53, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x33, 0x30, 0x04); > + mipi_dsi_dcs_write_seq(dsi, 0xB6, 0xB0, 0x00, 0x00, 0x10, 0x00, 0x10, > + 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x05, 0x12, 0x29, 0x49, 0x48, 0x00, > + 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xB9, 0x7C, 0x65, 0x55, 0x49, 0x46, 0x36, > + 0x3B, 0x24, 0x3D, 0x3C, 0x3D, 0x5C, 0x4C, > + 0x55, 0x47, 0x46, 0x39, 0x26, 0x06, 0x7C, > + 0x65, 0x55, 0x49, 0x46, 0x36, 0x3B, 0x24, > + 0x3D, 0x3C, 0x3D, 0x5C, 0x4C, 0x55, 0x47, > + 0x46, 0x39, 0x26, 0x06); > + mipi_dsi_dcs_write_seq(dsi, 0x00, 0xFF, 0x87, 0x12, 0x34, 0x44, 0x44, > + 0x44, 0x44, 0x98, 0x04, 0x98, 0x04, 0x0F, > + 0x00, 0x00, 0xC1); > + mipi_dsi_dcs_write_seq(dsi, 0xC1, 0x54, 0x94, 0x02, 0x85, 0x9F, 0x00, > + 0x7F, 0x00, 0x54, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xC2, 0x17, 0x09, 0x08, 0x89, 0x08, 0x11, > + 0x22, 0x20, 0x44, 0xFF, 0x18, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xC3, 0x86, 0x46, 0x05, 0x05, 0x1C, 0x1C, > + 0x1D, 0x1D, 0x02, 0x1F, 0x1F, 0x1E, 0x1E, > + 0x0F, 0x0F, 0x0D, 0x0D, 0x13, 0x13, 0x11, > + 0x11, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xC4, 0x07, 0x07, 0x04, 0x04, 0x1C, 0x1C, > + 0x1D, 0x1D, 0x02, 0x1F, 0x1F, 0x1E, 0x1E, > + 0x0E, 0x0E, 0x0C, 0x0C, 0x12, 0x12, 0x10, > + 0x10, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xC6, 0x2A, 0x2A); > + mipi_dsi_dcs_write_seq(dsi, 0xC8, 0x21, 0x00, 0x31, 0x42, 0x34, 0x16); > + mipi_dsi_dcs_write_seq(dsi, 0xCA, 0xCB, 0x43); > + mipi_dsi_dcs_write_seq(dsi, 0xCD, 0x0E, 0x4B, 0x4B, 0x20, 0x19, 0x6B, > + 0x06, 0xB3); > + mipi_dsi_dcs_write_seq(dsi, 0xD2, 0xE3, 0x2B, 0x38, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xD4, 0x00, 0x01, 0x00, 0x0E, 0x04, 0x44, > + 0x08, 0x10, 0x00, 0x00, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xE6, 0x80, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, > + 0xFF, 0xFF); > + mipi_dsi_dcs_write_seq(dsi, 0xF0, 0x12, 0x03, 0x20, 0x00, 0xFF); > + mipi_dsi_dcs_write_seq(dsi, 0xF3, 0x00); > + > + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); > + if (ret < 0) { > + dev_err(dev, "Failed to exit sleep mode: %d\n", ret); > + return ret; > + } > + > + msleep(120); > + > + ret = mipi_dsi_dcs_set_display_on(dsi); > + if (ret < 0) { > + dev_err(dev, "Failed to set panel on: %d\n", ret); > + return ret; > + } > + > + ctx->enabled = true; > + > + return 0; > +} > + > +static int boe_th101mb31ig002_disable(struct drm_panel *panel) > +{ > + struct boe_th101mb31ig002 *ctx = container_of(panel, > + struct boe_th101mb31ig002, > + panel); > + struct mipi_dsi_device *dsi = ctx->dsi; > + struct device *dev = &dsi->dev; > + int ret; > + > + if (!ctx->enabled) > + return 0; > + > + ret = mipi_dsi_dcs_set_display_off(dsi); > + if (ret < 0) > + dev_err(dev, "Failed to set panel off: %d\n", ret); > + > + msleep(120); > + > + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); > + if (ret < 0) > + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); > + > + ctx->enabled = false; > + > + return 0; > +} > + > +static int boe_th101mb31ig002_unprepare(struct drm_panel *panel) > +{ > + struct boe_th101mb31ig002 *ctx = container_of(panel, > + struct boe_th101mb31ig002, > + panel); > + > + if (!ctx->prepared) > + return 0; > + > + gpiod_set_value_cansleep(ctx->reset, 1); > + gpiod_set_value_cansleep(ctx->enable, 0); > + regulator_disable(ctx->power); > + > + ctx->prepared = false; > + > + return 0; > +} > + > +static int boe_th101mb31ig002_prepare(struct drm_panel *panel) > +{ > + struct boe_th101mb31ig002 *ctx = container_of(panel, > + struct boe_th101mb31ig002, > + panel); > + struct device *dev = &ctx->dsi->dev; > + int ret; > + > + if (ctx->prepared) > + return 0; > + > + ret = regulator_enable(ctx->power); > + if (ret) { > + dev_err(dev, "Failed to enable power supply: %d\n", ret); > + return ret; > + } > + > + gpiod_set_value_cansleep(ctx->enable, 1); > + msleep(50); > + boe_th101mb31ig002_reset(ctx); > + boe_th101mb31ig002_enable(panel); > + > + ctx->prepared = true; > + > + return 0; > +} > + > +static const struct drm_display_mode boe_th101mb31ig002_default_mode = { > + .clock = 73500, > + .hdisplay = 800, > + .hsync_start = 800 + 64, > + .hsync_end = 800 + 64 + 16, > + .htotal = 800 + 64 + 16 + 64, > + .vdisplay = 1280, > + .vsync_start = 1280 + 2, > + .vsync_end = 1280 + 2 + 4, > + .vtotal = 1280 + 2 + 4 + 12, > + .width_mm = 135, > + .height_mm = 216, > + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, > +}; > + > +static int boe_th101mb31ig002_get_modes(struct drm_panel *panel, > + struct drm_connector *connector) > +{ > + struct boe_th101mb31ig002 *ctx = container_of(panel, > + struct boe_th101mb31ig002, > + panel); > + struct drm_display_mode *mode; > + > + mode = drm_mode_duplicate(connector->dev, > + &boe_th101mb31ig002_default_mode); > + if (!mode) { > + dev_err(panel->dev, "Failed to add mode %ux%u@%u\n", > + boe_th101mb31ig002_default_mode.hdisplay, > + boe_th101mb31ig002_default_mode.vdisplay, > + drm_mode_vrefresh(&boe_th101mb31ig002_default_mode)); > + return -ENOMEM; > + } > + > + drm_mode_set_name(mode); > + > + connector->display_info.bpc = 8; > + connector->display_info.width_mm = mode->width_mm; > + connector->display_info.height_mm = mode->height_mm; > + > + /* > + * TODO: Remove once all drm drivers call > + * drm_connector_set_orientation_from_panel() > + */ > + drm_connector_set_panel_orientation(connector, ctx->orientation); > + > + drm_mode_probed_add(connector, mode); > + > + return 1; > +} > + > +static enum drm_panel_orientation > +boe_th101mb31ig002_get_orientation(struct drm_panel *panel) > +{ > + struct boe_th101mb31ig002 *ctx = container_of(panel, > + struct boe_th101mb31ig002, > + panel); > + > + return ctx->orientation; > +} > + > +static const struct drm_panel_funcs boe_th101mb31ig002_funcs = { > + .prepare = boe_th101mb31ig002_prepare, > + .unprepare = boe_th101mb31ig002_unprepare, > + .enable = boe_th101mb31ig002_enable, > + .disable = boe_th101mb31ig002_disable, > + .get_modes = boe_th101mb31ig002_get_modes, > + .get_orientation = boe_th101mb31ig002_get_orientation, > +}; > + > +static int boe_th101mb31ig002_dsi_probe(struct mipi_dsi_device *dsi) > +{ > + struct boe_th101mb31ig002 *ctx; > + int ret; > + > + ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL); > + if (!ctx) > + return -ENOMEM; > + > + ctx->enabled = false; > + ctx->prepared = false; > + > + mipi_dsi_set_drvdata(dsi, ctx); > + ctx->dsi = dsi; > + > + dsi->lanes = 4; > + dsi->format = MIPI_DSI_FMT_RGB888; > + dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST | > + MIPI_DSI_MODE_NO_EOT_PACKET | > + MIPI_DSI_MODE_LPM; > + > + ctx->power = devm_regulator_get(&dsi->dev, "power"); > + if (IS_ERR(ctx->power)) > + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->power), > + "Failed to get power regulator\n"); > + > + ctx->enable = devm_gpiod_get(&dsi->dev, "enable", GPIOD_OUT_LOW); > + if (IS_ERR(ctx->enable)) > + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->enable), > + "Failed to get enable GPIO\n"); > + > + ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_HIGH); > + if (IS_ERR(ctx->reset)) > + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), > + "Failed to get reset GPIO\n"); > + > + ret = of_drm_get_panel_orientation(dsi->dev.of_node, > + &ctx->orientation); > + if (ret) > + return dev_err_probe(&dsi->dev, ret, > + "Failed to get orientation\n"); > + > + drm_panel_init(&ctx->panel, &dsi->dev, &boe_th101mb31ig002_funcs, > + DRM_MODE_CONNECTOR_DSI); > + > + ret = drm_panel_of_backlight(&ctx->panel); > + if (ret) > + return ret; > + > + drm_panel_add(&ctx->panel); > + > + ret = mipi_dsi_attach(dsi); > + if (ret < 0) { > + dev_err_probe(&dsi->dev, ret, > + "Failed to attach panel to DSI host\n"); > + drm_panel_remove(&ctx->panel); > + return ret; > + } > + > + return 0; > +} > + > +static void boe_th101mb31ig002_dsi_remove(struct mipi_dsi_device *dsi) > +{ > + struct boe_th101mb31ig002 *ctx = mipi_dsi_get_drvdata(dsi); > + > + mipi_dsi_detach(dsi); > + drm_panel_remove(&ctx->panel); > +} > + > +static const struct of_device_id boe_th101mb31ig002_of_match[] = { > + { .compatible = "boe,th101mb31ig002-28a", }, > + { /* sentinel */ } > +}; > +MODULE_DEVICE_TABLE(of, boe_th101mb31ig002_of_match); > + > +static struct mipi_dsi_driver boe_th101mb31ig002_driver = { > + .driver = { > + .name = "boe-th101mb31ig002-28a", > + .of_match_table = boe_th101mb31ig002_of_match, > + }, > + .probe = boe_th101mb31ig002_dsi_probe, > + .remove = boe_th101mb31ig002_dsi_remove, > +}; > +module_mipi_dsi_driver(boe_th101mb31ig002_driver); > + > +MODULE_AUTHOR("Alexander Warnecke <awarnecke002@hotmail.com>"); > +MODULE_DESCRIPTION("BOE TH101MB31IG002-28A MIPI-DSI LCD panel"); > +MODULE_LICENSE("GPL"); > > -- > 2.43.0 >
On Tue, Dec 26, 2023 at 02:56:58PM -0800, Jessica Zhang wrote: > > > On 12/23/2023 7:20 AM, Manuel Traut wrote: > > From: Alexander Warnecke <awarnecke002@hotmail.com> > > > > The BOE TH101MB31IG002-28A panel is a WXGA panel. > > It is used in Pine64 Pinetab2 and PinetabV. > > > Hi Manuel, Hi Jessica, > Sorry, I responded to the v1 instead of the latest version. Carrying my > comment over to here: > > If I remember correctly, commit d2aacaf07395bd798373cbec6af05fff4147aff3 > should have introduced prepared/enabled do the drm_panel struct. thanks for the hint, I will update this in v3. Regards Manuel
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 99e14dc212ec..927ddd10e688 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -67,6 +67,17 @@ config DRM_PANEL_BOE_HIMAX8279D 24 bit RGB per pixel. It provides a MIPI DSI interface to the host and has a built-in LED backlight. +config DRM_PANEL_BOE_TH101MB31UIG002_28A + tristate "Boe TH101MB31UIG002-28A panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for Boe + TH101MB31UIG002-28A TFT-LCD modules. The panel has a 800x1280 + resolution and uses 24 bit RGB per pixel. It provides a MIPI DSI + interface to the host and has a built-in LED backlight. + config DRM_PANEL_BOE_TV101WUM_NL6 tristate "BOE TV101WUM and AUO KD101N80 45NA 1200x1920 panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index d10c3de51c6d..dd6e1ac9d0a2 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -5,6 +5,7 @@ obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596. obj-$(CONFIG_DRM_PANEL_AUO_A030JTN01) += panel-auo-a030jtn01.o obj-$(CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0) += panel-boe-bf060y8m-aj0.o obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o +obj-$(CONFIG_DRM_PANEL_BOE_TH101MB31UIG002_28A) += panel-boe-th101mb31ig002-28a.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c new file mode 100644 index 000000000000..ffe4047b7434 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c @@ -0,0 +1,348 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2023 Alexander Warnecke <awarnecke002@hotmail.com> + * Copyright (c) 2023 Manuel Traut <manut@mecka.net> + * Copyright (c) 2023 Dang Huynh <danct12@riseup.net> + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_connector.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct boe_th101mb31ig002 { + struct drm_panel panel; + bool enabled; + bool prepared; + + struct mipi_dsi_device *dsi; + + struct regulator *power; + struct gpio_desc *enable; + struct gpio_desc *reset; + + enum drm_panel_orientation orientation; +}; + +static void boe_th101mb31ig002_reset(struct boe_th101mb31ig002 *ctx) +{ + gpiod_direction_output(ctx->reset, 0); + usleep_range(10, 100); + gpiod_direction_output(ctx->reset, 1); + usleep_range(10, 100); + gpiod_direction_output(ctx->reset, 0); + usleep_range(5000, 6000); +} + +static int boe_th101mb31ig002_enable(struct drm_panel *panel) +{ + struct boe_th101mb31ig002 *ctx = container_of(panel, + struct boe_th101mb31ig002, + panel); + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (ctx->enabled) + return 0; + + mipi_dsi_dcs_write_seq(dsi, 0xE0, 0xAB, 0xBA); + mipi_dsi_dcs_write_seq(dsi, 0xE1, 0xBA, 0xAB); + mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x10, 0x01, 0x47, 0xFF); + mipi_dsi_dcs_write_seq(dsi, 0xB2, 0x0C, 0x14, 0x04, 0x50, 0x50, 0x14); + mipi_dsi_dcs_write_seq(dsi, 0xB3, 0x56, 0x53, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x33, 0x30, 0x04); + mipi_dsi_dcs_write_seq(dsi, 0xB6, 0xB0, 0x00, 0x00, 0x10, 0x00, 0x10, + 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x05, 0x12, 0x29, 0x49, 0x48, 0x00, + 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xB9, 0x7C, 0x65, 0x55, 0x49, 0x46, 0x36, + 0x3B, 0x24, 0x3D, 0x3C, 0x3D, 0x5C, 0x4C, + 0x55, 0x47, 0x46, 0x39, 0x26, 0x06, 0x7C, + 0x65, 0x55, 0x49, 0x46, 0x36, 0x3B, 0x24, + 0x3D, 0x3C, 0x3D, 0x5C, 0x4C, 0x55, 0x47, + 0x46, 0x39, 0x26, 0x06); + mipi_dsi_dcs_write_seq(dsi, 0x00, 0xFF, 0x87, 0x12, 0x34, 0x44, 0x44, + 0x44, 0x44, 0x98, 0x04, 0x98, 0x04, 0x0F, + 0x00, 0x00, 0xC1); + mipi_dsi_dcs_write_seq(dsi, 0xC1, 0x54, 0x94, 0x02, 0x85, 0x9F, 0x00, + 0x7F, 0x00, 0x54, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xC2, 0x17, 0x09, 0x08, 0x89, 0x08, 0x11, + 0x22, 0x20, 0x44, 0xFF, 0x18, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xC3, 0x86, 0x46, 0x05, 0x05, 0x1C, 0x1C, + 0x1D, 0x1D, 0x02, 0x1F, 0x1F, 0x1E, 0x1E, + 0x0F, 0x0F, 0x0D, 0x0D, 0x13, 0x13, 0x11, + 0x11, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xC4, 0x07, 0x07, 0x04, 0x04, 0x1C, 0x1C, + 0x1D, 0x1D, 0x02, 0x1F, 0x1F, 0x1E, 0x1E, + 0x0E, 0x0E, 0x0C, 0x0C, 0x12, 0x12, 0x10, + 0x10, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xC6, 0x2A, 0x2A); + mipi_dsi_dcs_write_seq(dsi, 0xC8, 0x21, 0x00, 0x31, 0x42, 0x34, 0x16); + mipi_dsi_dcs_write_seq(dsi, 0xCA, 0xCB, 0x43); + mipi_dsi_dcs_write_seq(dsi, 0xCD, 0x0E, 0x4B, 0x4B, 0x20, 0x19, 0x6B, + 0x06, 0xB3); + mipi_dsi_dcs_write_seq(dsi, 0xD2, 0xE3, 0x2B, 0x38, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xD4, 0x00, 0x01, 0x00, 0x0E, 0x04, 0x44, + 0x08, 0x10, 0x00, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xE6, 0x80, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF); + mipi_dsi_dcs_write_seq(dsi, 0xF0, 0x12, 0x03, 0x20, 0x00, 0xFF); + mipi_dsi_dcs_write_seq(dsi, 0xF3, 0x00); + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to exit sleep mode: %d\n", ret); + return ret; + } + + msleep(120); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set panel on: %d\n", ret); + return ret; + } + + ctx->enabled = true; + + return 0; +} + +static int boe_th101mb31ig002_disable(struct drm_panel *panel) +{ + struct boe_th101mb31ig002 *ctx = container_of(panel, + struct boe_th101mb31ig002, + panel); + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + if (!ctx->enabled) + return 0; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + dev_err(dev, "Failed to set panel off: %d\n", ret); + + msleep(120); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + + ctx->enabled = false; + + return 0; +} + +static int boe_th101mb31ig002_unprepare(struct drm_panel *panel) +{ + struct boe_th101mb31ig002 *ctx = container_of(panel, + struct boe_th101mb31ig002, + panel); + + if (!ctx->prepared) + return 0; + + gpiod_set_value_cansleep(ctx->reset, 1); + gpiod_set_value_cansleep(ctx->enable, 0); + regulator_disable(ctx->power); + + ctx->prepared = false; + + return 0; +} + +static int boe_th101mb31ig002_prepare(struct drm_panel *panel) +{ + struct boe_th101mb31ig002 *ctx = container_of(panel, + struct boe_th101mb31ig002, + panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_enable(ctx->power); + if (ret) { + dev_err(dev, "Failed to enable power supply: %d\n", ret); + return ret; + } + + gpiod_set_value_cansleep(ctx->enable, 1); + msleep(50); + boe_th101mb31ig002_reset(ctx); + boe_th101mb31ig002_enable(panel); + + ctx->prepared = true; + + return 0; +} + +static const struct drm_display_mode boe_th101mb31ig002_default_mode = { + .clock = 73500, + .hdisplay = 800, + .hsync_start = 800 + 64, + .hsync_end = 800 + 64 + 16, + .htotal = 800 + 64 + 16 + 64, + .vdisplay = 1280, + .vsync_start = 1280 + 2, + .vsync_end = 1280 + 2 + 4, + .vtotal = 1280 + 2 + 4 + 12, + .width_mm = 135, + .height_mm = 216, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static int boe_th101mb31ig002_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct boe_th101mb31ig002 *ctx = container_of(panel, + struct boe_th101mb31ig002, + panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, + &boe_th101mb31ig002_default_mode); + if (!mode) { + dev_err(panel->dev, "Failed to add mode %ux%u@%u\n", + boe_th101mb31ig002_default_mode.hdisplay, + boe_th101mb31ig002_default_mode.vdisplay, + drm_mode_vrefresh(&boe_th101mb31ig002_default_mode)); + return -ENOMEM; + } + + drm_mode_set_name(mode); + + connector->display_info.bpc = 8; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + + /* + * TODO: Remove once all drm drivers call + * drm_connector_set_orientation_from_panel() + */ + drm_connector_set_panel_orientation(connector, ctx->orientation); + + drm_mode_probed_add(connector, mode); + + return 1; +} + +static enum drm_panel_orientation +boe_th101mb31ig002_get_orientation(struct drm_panel *panel) +{ + struct boe_th101mb31ig002 *ctx = container_of(panel, + struct boe_th101mb31ig002, + panel); + + return ctx->orientation; +} + +static const struct drm_panel_funcs boe_th101mb31ig002_funcs = { + .prepare = boe_th101mb31ig002_prepare, + .unprepare = boe_th101mb31ig002_unprepare, + .enable = boe_th101mb31ig002_enable, + .disable = boe_th101mb31ig002_disable, + .get_modes = boe_th101mb31ig002_get_modes, + .get_orientation = boe_th101mb31ig002_get_orientation, +}; + +static int boe_th101mb31ig002_dsi_probe(struct mipi_dsi_device *dsi) +{ + struct boe_th101mb31ig002 *ctx; + int ret; + + ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->enabled = false; + ctx->prepared = false; + + mipi_dsi_set_drvdata(dsi, ctx); + ctx->dsi = dsi; + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_NO_EOT_PACKET | + MIPI_DSI_MODE_LPM; + + ctx->power = devm_regulator_get(&dsi->dev, "power"); + if (IS_ERR(ctx->power)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->power), + "Failed to get power regulator\n"); + + ctx->enable = devm_gpiod_get(&dsi->dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(ctx->enable)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->enable), + "Failed to get enable GPIO\n"); + + ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), + "Failed to get reset GPIO\n"); + + ret = of_drm_get_panel_orientation(dsi->dev.of_node, + &ctx->orientation); + if (ret) + return dev_err_probe(&dsi->dev, ret, + "Failed to get orientation\n"); + + drm_panel_init(&ctx->panel, &dsi->dev, &boe_th101mb31ig002_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err_probe(&dsi->dev, ret, + "Failed to attach panel to DSI host\n"); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void boe_th101mb31ig002_dsi_remove(struct mipi_dsi_device *dsi) +{ + struct boe_th101mb31ig002 *ctx = mipi_dsi_get_drvdata(dsi); + + mipi_dsi_detach(dsi); + drm_panel_remove(&ctx->panel); +} + +static const struct of_device_id boe_th101mb31ig002_of_match[] = { + { .compatible = "boe,th101mb31ig002-28a", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, boe_th101mb31ig002_of_match); + +static struct mipi_dsi_driver boe_th101mb31ig002_driver = { + .driver = { + .name = "boe-th101mb31ig002-28a", + .of_match_table = boe_th101mb31ig002_of_match, + }, + .probe = boe_th101mb31ig002_dsi_probe, + .remove = boe_th101mb31ig002_dsi_remove, +}; +module_mipi_dsi_driver(boe_th101mb31ig002_driver); + +MODULE_AUTHOR("Alexander Warnecke <awarnecke002@hotmail.com>"); +MODULE_DESCRIPTION("BOE TH101MB31IG002-28A MIPI-DSI LCD panel"); +MODULE_LICENSE("GPL");