This is a 5.7" 2160x1080 panel found on the Motorola Moto G6. There may be other smartphones using it, as well.

Signed-off-by: Julian Braha julianbraha@gmail.com --- drivers/gpu/drm/panel/Kconfig | 7 + drivers/gpu/drm/panel/Makefile | 1 + .../gpu/drm/panel/panel-tianma-tl057fvxp01.c | 262 ++++++++++++++++++ 3 files changed, 270 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-tianma-tl057fvxp01.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index beb581b96ecd..9e8a5fffa626 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -557,6 +557,13 @@ config DRM_PANEL_TDO_TL070WSH30 24 bit RGB per pixel. It provides a MIPI DSI interface to the host, a built-in LED backlight and touch controller.

+config DRM_PANEL_TIANMA_TL057FVXP01 + tristate "Tianma TL057FVXP01 panel" + select DRM_PANEL_MIPI_DSI_COMMON + help + Say Y here if you want to enable support for the Tianma TL057FVXP01 + 2160x1080 5.7" panel (found on the Motorola Moto G6). + config DRM_PANEL_TPO_TD028TTEC1 tristate "Toppoly (TPO) TD028TTEC1 panel driver" depends on OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index c8132050bcec..9bdc2a12e719 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -57,6 +57,7 @@ obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7789V) += panel-sitronix-st7789v.o obj-$(CONFIG_DRM_PANEL_SONY_ACX424AKP) += panel-sony-acx424akp.o obj-$(CONFIG_DRM_PANEL_SONY_ACX565AKM) += panel-sony-acx565akm.o obj-$(CONFIG_DRM_PANEL_TDO_TL070WSH30) += panel-tdo-tl070wsh30.o +obj-$(CONFIG_DRM_PANEL_TIANMA_TL057FVXP01) += panel-tianma-tl057fvxp01.o obj-$(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 diff --git a/drivers/gpu/drm/panel/panel-tianma-tl057fvxp01.c b/drivers/gpu/drm/panel/panel-tianma-tl057fvxp01.c new file mode 100644 index 000000000000..7dcdcbd8ef5f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-tianma-tl057fvxp01.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021 Julian Braha julianbraha@gmail.com + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> + +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct tianma_tl057fvxp01 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct gpio_desc *reset_gpio; + bool prepared; +}; + +static inline struct tianma_tl057fvxp01 *to_tianma_tl057fvxp01(struct drm_panel *panel) +{ + return container_of(panel, struct tianma_tl057fvxp01, 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 tianma_tl057fvxp01_reset(struct tianma_tl057fvxp01 *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(1000, 2000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(10000, 11000); +} + +static int tianma_tl057fvxp01_on(struct tianma_tl057fvxp01 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi_dcs_write_seq(dsi, 0x00, 0x00); + dsi_dcs_write_seq(dsi, 0xff, 0x19, 0x11, 0x01); + dsi_dcs_write_seq(dsi, 0x00, 0x80); + dsi_dcs_write_seq(dsi, 0xff, 0x19, 0x11); + dsi_dcs_write_seq(dsi, 0x00, 0xb0); + dsi_dcs_write_seq(dsi, 0xb3, 0x04, 0x38, 0x08, 0x70); + dsi_dcs_write_seq(dsi, 0x00, 0x00); + dsi_dcs_write_seq(dsi, 0xff, 0xff, 0xff, 0xff); + dsi_dcs_write_seq(dsi, 0x35, 0x00); + dsi_dcs_write_seq(dsi, 0x51, 0xcc, 0x08); + dsi_dcs_write_seq(dsi, 0x53, 0x2c); + dsi_dcs_write_seq(dsi, 0x55, 0x01); + + 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 display on: %d\n", ret); + return ret; + } + usleep_range(10000, 11000); + + return 0; +} + +static int tianma_tl057fvxp01_off(struct tianma_tl057fvxp01 *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(50); + + 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(70); + + return 0; +} + +static int tianma_tl057fvxp01_prepare(struct drm_panel *panel) +{ + struct tianma_tl057fvxp01 *ctx = to_tianma_tl057fvxp01(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + tianma_tl057fvxp01_reset(ctx); + + ret = tianma_tl057fvxp01_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 tianma_tl057fvxp01_unprepare(struct drm_panel *panel) +{ + struct tianma_tl057fvxp01 *ctx = to_tianma_tl057fvxp01(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (!ctx->prepared) + return 0; + + ret = tianma_tl057fvxp01_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 tianma_tl057fvxp01_mode = { + .clock = (1080 + 53 + 4 + 53) * (2160 + 14 + 1 + 11) * 60 / 1000, + .hdisplay = 1080, + .hsync_start = 1080 + 53, + .hsync_end = 1080 + 53 + 4, + .htotal = 1080 + 53 + 4 + 53, + .vdisplay = 2160, + .vsync_start = 2160 + 14, + .vsync_end = 2160 + 14 + 1, + .vtotal = 2160 + 14 + 1 + 11, + .width_mm = 62, + .height_mm = 110, +}; + +static int tianma_tl057fvxp01_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &tianma_tl057fvxp01_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 tianma_tl057fvxp01_panel_funcs = { + .prepare = tianma_tl057fvxp01_prepare, + .unprepare = tianma_tl057fvxp01_unprepare, + .get_modes = tianma_tl057fvxp01_get_modes, +}; + +static int tianma_tl057fvxp01_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct tianma_tl057fvxp01 *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 | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; + + drm_panel_init(&ctx->panel, dev, &tianma_tl057fvxp01_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return dev_err_probe(dev, ret, "Failed to get backlight\n"); + + 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 tianma_tl057fvxp01_remove(struct mipi_dsi_device *dsi) +{ + struct tianma_tl057fvxp01 *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 tianma_tl057fvxp01_of_match[] = { + { .compatible = "tianma,tl057fvxp01" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, tianma_tl057fvxp01_of_match); + +static struct mipi_dsi_driver tianma_tl057fvxp01_driver = { + .probe = tianma_tl057fvxp01_probe, + .remove = tianma_tl057fvxp01_remove, + .driver = { + .name = "panel-tianma-tl057fvxp01", + .of_match_table = tianma_tl057fvxp01_of_match, + }, +}; +module_mipi_dsi_driver(tianma_tl057fvxp01_driver); + +MODULE_AUTHOR("Julian Braha julianbraha@gmail.com"); +MODULE_DESCRIPTION("Tianma TL057FVXP01 panel driver"); +MODULE_LICENSE("GPL v2");