diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 399c4d12be83..2b1147c02671 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -144,6 +144,17 @@ config DRM_PANEL_INNOLUX_P079ZCA 24 bit RGB per pixel. It provides a MIPI DSI interface to the host and has a built-in LED backlight. +config DRM_PANEL_INNOLUX_PD060JC + tristate "Innolux PD060JC 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 Innolux PD060JC + TFT-LCD modules. The panel has a 1920x1080 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_JDI_LT070ME05000 tristate "JDI LT070ME05000 WUXGA DSI panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 6beadeea2c50..90e42dee8aec 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o +obj-$(CONFIG_DRM_PANEL_INNOLUX_PD060JC) += panel-innolux-pd060jc.o obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) += panel-khadas-ts050.o obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o diff --git a/drivers/gpu/drm/panel/panel-innolux-pd060jc.c b/drivers/gpu/drm/panel/panel-innolux-pd060jc.c new file mode 100644 index 000000000000..59d21ab0ddbe --- /dev/null +++ b/drivers/gpu/drm/panel/panel-innolux-pd060jc.c @@ -0,0 +1,259 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2021 FIXME +// Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree: +// Copyright (c) 2013, The Linux Foundation. All rights reserved. (FIXME) + +#include +#include +#include +#include + +#include +#include +#include + +struct pd060jc { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct gpio_desc *reset_gpio; + bool prepared; +}; + +static inline struct pd060jc *to_pd060jc(struct drm_panel *panel) +{ + return container_of(panel, struct pd060jc, panel); +} + +#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 pd060jc_reset(struct pd060jc *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(10000, 11000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(10000, 11000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(80); +} + +static int pd060jc_on(struct pd060jc *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + 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(70); + + ret = mipi_dsi_dcs_set_column_address(dsi, 0x0000, 0x0437); + if (ret < 0) { + dev_err(dev, "Failed to set column address: %d\n", ret); + return ret; + } + + ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 0x077f); + if (ret < 0) { + dev_err(dev, "Failed to set page address: %d\n", ret); + return ret; + } + + dsi_dcs_write_seq(dsi, 0x35); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display on: %d\n", ret); + return ret; + } + + return 0; +} + +static int pd060jc_off(struct pd060jc *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + dev_err(dev, "Failed to set display off: %d\n", ret); + return ret; + } + usleep_range(5000, 6000); + + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + dev_err(dev, "Failed to enter sleep mode: %d\n", ret); + return ret; + } + msleep(83); + + return 0; +} + +static int pd060jc_prepare(struct drm_panel *panel) +{ + struct pd060jc *ctx = to_pd060jc(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + pd060jc_reset(ctx); + + ret = pd060jc_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int pd060jc_unprepare(struct drm_panel *panel) +{ + struct pd060jc *ctx = to_pd060jc(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = pd060jc_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode pd060jc_mode = { + .clock = (1080 + 60 + 10 + 60) * (1920 + 20 + 8 + 20) * 60 / 1000, + .hdisplay = 1080, + .hsync_start = 1080 + 60, + .hsync_end = 1080 + 60 + 10, + .htotal = 1080 + 60 + 10 + 60, + .vdisplay = 1920, + .vsync_start = 1920 + 20, + .vsync_end = 1920 + 20 + 8, + .vtotal = 1920 + 20 + 8 + 20, + .width_mm = 75, + .height_mm = 132, +}; + +static int pd060jc_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &pd060jc_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 pd060jc_panel_funcs = { + .prepare = pd060jc_prepare, + .unprepare = pd060jc_unprepare, + .get_modes = pd060jc_get_modes, +}; + +static int pd060jc_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct pd060jc *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n"); + + 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_BURST | + MIPI_DSI_MODE_EOT_PACKET | + MIPI_DSI_CLOCK_NON_CONTINUOUS; + + drm_panel_init(&ctx->panel, dev, &pd060jc_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "Failed to attach to DSI host: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static int pd060jc_remove(struct mipi_dsi_device *dsi) +{ + struct pd060jc *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 pd060jc_of_match[] = { + { .compatible = "innolux,pd060jc" }, // FIXME + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, pd060jc_of_match); + +static struct mipi_dsi_driver pd060jc_driver = { + .probe = pd060jc_probe, + .remove = pd060jc_remove, + .driver = { + .name = "innolux-pd060jc", + .of_match_table = pd060jc_of_match, + }, +}; +module_mipi_dsi_driver(pd060jc_driver); + +MODULE_AUTHOR("linux-mdss-dsi-panel-driver-generator "); // FIXME +MODULE_DESCRIPTION("DRM driver for pd060jc cmd mode dsi panel without DSC"); +MODULE_LICENSE("GPL v2");