diff options
Diffstat (limited to 'drivers/gpu/drm/panel')
| -rw-r--r-- | drivers/gpu/drm/panel/Kconfig | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/Makefile | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-ld9040.c | 389 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-s6e8aa0.c | 1067 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 475 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 1297 |
6 files changed, 3278 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig new file mode 100644 index 000000000..6d64c7bb9 --- /dev/null +++ b/drivers/gpu/drm/panel/Kconfig @@ -0,0 +1,46 @@ +config DRM_PANEL + bool + depends on DRM + help + Panel registration and lookup framework. + +menu "Display Panels" + depends on DRM && DRM_PANEL + +config DRM_PANEL_SIMPLE + tristate "support for simple panels" + depends on OF + depends on BACKLIGHT_CLASS_DEVICE + select VIDEOMODE_HELPERS + help + DRM panel driver for dumb panels that need at most a regulator and + a GPIO to be powered up. Optionally a backlight can be attached so + that it can be automatically turned off when the panel goes into a + low power state. + +config DRM_PANEL_LD9040 + tristate "LD9040 RGB/SPI panel" + depends on OF && SPI + select VIDEOMODE_HELPERS + +config DRM_PANEL_S6E8AA0 + tristate "S6E8AA0 DSI video mode panel" + depends on OF + select DRM_MIPI_DSI + select VIDEOMODE_HELPERS + +config DRM_PANEL_SHARP_LQ101R1SX01 + tristate "Sharp LQ101R1SX01 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 Sharp LQ101R1SX01 + TFT-LCD modules. The panel has a 2560x1600 resolution and uses + 24 bit RGB per pixel. It provides a dual MIPI DSI interface to + the host and has a built-in LED backlight. + + To compile this driver as a module, choose M here: the module + will be called panel-sharp-lq101r1sx01. + +endmenu diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile new file mode 100644 index 000000000..4b2a04308 --- /dev/null +++ b/drivers/gpu/drm/panel/Makefile @@ -0,0 +1,4 @@ +obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o +obj-$(CONFIG_DRM_PANEL_LD9040) += panel-ld9040.o +obj-$(CONFIG_DRM_PANEL_S6E8AA0) += panel-s6e8aa0.o +obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o diff --git a/drivers/gpu/drm/panel/panel-ld9040.c b/drivers/gpu/drm/panel/panel-ld9040.c new file mode 100644 index 000000000..08cf2c588 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-ld9040.c @@ -0,0 +1,389 @@ +/* + * ld9040 AMOLED LCD drm_panel driver. + * + * Copyright (c) 2014 Samsung Electronics Co., Ltd + * Derived from drivers/video/backlight/ld9040.c + * + * Andrzej Hajda <a.hajda@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <drm/drmP.h> +#include <drm/drm_panel.h> + +#include <linux/gpio/consumer.h> +#include <linux/regulator/consumer.h> +#include <linux/spi/spi.h> + +#include <video/mipi_display.h> +#include <video/of_videomode.h> +#include <video/videomode.h> + +/* Manufacturer Command Set */ +#define MCS_MANPWR 0xb0 +#define MCS_ELVSS_ON 0xb1 +#define MCS_USER_SETTING 0xf0 +#define MCS_DISPCTL 0xf2 +#define MCS_POWER_CTRL 0xf4 +#define MCS_GTCON 0xf7 +#define MCS_PANEL_CONDITION 0xf8 +#define MCS_GAMMA_SET1 0xf9 +#define MCS_GAMMA_CTRL 0xfb + +/* array of gamma tables for gamma value 2.2 */ +static u8 const ld9040_gammas[25][22] = { + { 0xf9, 0x00, 0x13, 0xb2, 0xba, 0xd2, 0x00, 0x30, 0x00, 0xaf, 0xc0, + 0xb8, 0xcd, 0x00, 0x3d, 0x00, 0xa8, 0xb8, 0xb7, 0xcd, 0x00, 0x44 }, + { 0xf9, 0x00, 0x13, 0xb9, 0xb9, 0xd0, 0x00, 0x3c, 0x00, 0xaf, 0xbf, + 0xb6, 0xcb, 0x00, 0x4b, 0x00, 0xa8, 0xb9, 0xb5, 0xcc, 0x00, 0x52 }, + { 0xf9, 0x00, 0x13, 0xba, 0xb9, 0xcd, 0x00, 0x41, 0x00, 0xb0, 0xbe, + 0xb5, 0xc9, 0x00, 0x51, 0x00, 0xa9, 0xb9, 0xb5, 0xca, 0x00, 0x57 }, + { 0xf9, 0x00, 0x13, 0xb9, 0xb8, 0xcd, 0x00, 0x46, 0x00, 0xb1, 0xbc, + 0xb5, 0xc8, 0x00, 0x56, 0x00, 0xaa, 0xb8, 0xb4, 0xc9, 0x00, 0x5d }, + { 0xf9, 0x00, 0x13, 0xba, 0xb8, 0xcb, 0x00, 0x4b, 0x00, 0xb3, 0xbc, + 0xb4, 0xc7, 0x00, 0x5c, 0x00, 0xac, 0xb8, 0xb4, 0xc8, 0x00, 0x62 }, + { 0xf9, 0x00, 0x13, 0xbb, 0xb7, 0xca, 0x00, 0x4f, 0x00, 0xb4, 0xbb, + 0xb3, 0xc7, 0x00, 0x60, 0x00, 0xad, 0xb8, 0xb4, 0xc7, 0x00, 0x67 }, + { 0xf9, 0x00, 0x47, 0xba, 0xb6, 0xca, 0x00, 0x53, 0x00, 0xb5, 0xbb, + 0xb3, 0xc6, 0x00, 0x65, 0x00, 0xae, 0xb8, 0xb3, 0xc7, 0x00, 0x6c }, + { 0xf9, 0x00, 0x71, 0xbb, 0xb5, 0xc8, 0x00, 0x57, 0x00, 0xb5, 0xbb, + 0xb0, 0xc5, 0x00, 0x6a, 0x00, 0xae, 0xb9, 0xb1, 0xc6, 0x00, 0x70 }, + { 0xf9, 0x00, 0x7b, 0xbb, 0xb4, 0xc8, 0x00, 0x5b, 0x00, 0xb5, 0xba, + 0xb1, 0xc4, 0x00, 0x6e, 0x00, 0xae, 0xb9, 0xb0, 0xc5, 0x00, 0x75 }, + { 0xf9, 0x00, 0x82, 0xba, 0xb4, 0xc7, 0x00, 0x5f, 0x00, 0xb5, 0xba, + 0xb0, 0xc3, 0x00, 0x72, 0x00, 0xae, 0xb8, 0xb0, 0xc3, 0x00, 0x7a }, + { 0xf9, 0x00, 0x89, 0xba, 0xb3, 0xc8, 0x00, 0x62, 0x00, 0xb6, 0xba, + 0xaf, 0xc3, 0x00, 0x76, 0x00, 0xaf, 0xb7, 0xae, 0xc4, 0x00, 0x7e }, + { 0xf9, 0x00, 0x8b, 0xb9, 0xb3, 0xc7, 0x00, 0x65, 0x00, 0xb7, 0xb8, + 0xaf, 0xc3, 0x00, 0x7a, 0x00, 0x80, 0xb6, 0xae, 0xc4, 0x00, 0x81 }, + { 0xf9, 0x00, 0x93, 0xba, 0xb3, 0xc5, 0x00, 0x69, 0x00, 0xb8, 0xb9, + 0xae, 0xc1, 0x00, 0x7f, 0x00, 0xb0, 0xb6, 0xae, 0xc3, 0x00, 0x85 }, + { 0xf9, 0x00, 0x97, 0xba, 0xb2, 0xc5, 0x00, 0x6c, 0x00, 0xb8, 0xb8, + 0xae, 0xc1, 0x00, 0x82, 0x00, 0xb0, 0xb6, 0xae, 0xc2, 0x00, 0x89 }, + { 0xf9, 0x00, 0x9a, 0xba, 0xb1, 0xc4, 0x00, 0x6f, 0x00, 0xb8, 0xb8, + 0xad, 0xc0, 0x00, 0x86, 0x00, 0xb0, 0xb7, 0xad, 0xc0, 0x00, 0x8d }, + { 0xf9, 0x00, 0x9c, 0xb9, 0xb0, 0xc4, 0x00, 0x72, 0x00, 0xb8, 0xb8, + 0xac, 0xbf, 0x00, 0x8a, 0x00, 0xb0, 0xb6, 0xac, 0xc0, 0x00, 0x91 }, + { 0xf9, 0x00, 0x9e, 0xba, 0xb0, 0xc2, 0x00, 0x75, 0x00, 0xb9, 0xb8, + 0xab, 0xbe, 0x00, 0x8e, 0x00, 0xb0, 0xb6, 0xac, 0xbf, 0x00, 0x94 }, + { 0xf9, 0x00, 0xa0, 0xb9, 0xaf, 0xc3, 0x00, 0x77, 0x00, 0xb9, 0xb7, + 0xab, 0xbe, 0x00, 0x90, 0x00, 0xb0, 0xb6, 0xab, 0xbf, 0x00, 0x97 }, + { 0xf9, 0x00, 0xa2, 0xb9, 0xaf, 0xc2, 0x00, 0x7a, 0x00, 0xb9, 0xb7, + 0xaa, 0xbd, 0x00, 0x94, 0x00, 0xb0, 0xb5, 0xab, 0xbf, 0x00, 0x9a }, + { 0xf9, 0x00, 0xa4, 0xb9, 0xaf, 0xc1, 0x00, 0x7d, 0x00, 0xb9, 0xb6, + 0xaa, 0xbb, 0x00, 0x97, 0x00, 0xb1, 0xb5, 0xaa, 0xbf, 0x00, 0x9d }, + { 0xf9, 0x00, 0xa4, 0xb8, 0xb0, 0xbf, 0x00, 0x80, 0x00, 0xb8, 0xb6, + 0xaa, 0xbc, 0x00, 0x9a, 0x00, 0xb0, 0xb5, 0xab, 0xbd, 0x00, 0xa0 }, + { 0xf9, 0x00, 0xa8, 0xb8, 0xae, 0xbe, 0x00, 0x84, 0x00, 0xb9, 0xb7, + 0xa8, 0xbc, 0x00, 0x9d, 0x00, 0xb2, 0xb5, 0xaa, 0xbc, 0x00, 0xa4 }, + { 0xf9, 0x00, 0xa9, 0xb6, 0xad, 0xbf, 0x00, 0x86, 0x00, 0xb8, 0xb5, + 0xa8, 0xbc, 0x00, 0xa0, 0x00, 0xb3, 0xb3, 0xa9, 0xbc, 0x00, 0xa7 }, + { 0xf9, 0x00, 0xa9, 0xb7, 0xae, 0xbd, 0x00, 0x89, 0x00, 0xb7, 0xb6, + 0xa8, 0xba, 0x00, 0xa4, 0x00, 0xb1, 0xb4, 0xaa, 0xbb, 0x00, 0xaa }, + { 0xf9, 0x00, 0xa7, 0xb4, 0xae, 0xbf, 0x00, 0x91, 0x00, 0xb2, 0xb4, + 0xaa, 0xbb, 0x00, 0xac, 0x00, 0xb3, 0xb1, 0xaa, 0xbc, 0x00, 0xb3 }, +}; + +struct ld9040 { + struct device *dev; + struct drm_panel panel; + + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpio; + u32 power_on_delay; + u32 reset_delay; + struct videomode vm; + u32 width_mm; + u32 height_mm; + + int brightness; + + /* This field is tested by functions directly accessing bus before + * transfer, transfer is skipped if it is set. In case of transfer + * failure or unexpected response the field is set to error value. + * Such construct allows to eliminate many checks in higher level + * functions. + */ + int error; +}; + +static inline struct ld9040 *panel_to_ld9040(struct drm_panel *panel) +{ + return container_of(panel, struct ld9040, panel); +} + +static int ld9040_clear_error(struct ld9040 *ctx) +{ + int ret = ctx->error; + + ctx->error = 0; + return ret; +} + +static int ld9040_spi_write_word(struct ld9040 *ctx, u16 data) +{ + struct spi_device *spi = to_spi_device(ctx->dev); + struct spi_transfer xfer = { + .len = 2, + .tx_buf = &data, + }; + struct spi_message msg; + + spi_message_init(&msg); + spi_message_add_tail(&xfer, &msg); + + return spi_sync(spi, &msg); +} + +static void ld9040_dcs_write(struct ld9040 *ctx, const u8 *data, size_t len) +{ + int ret = 0; + + if (ctx->error < 0 || len == 0) + return; + + dev_dbg(ctx->dev, "writing dcs seq: %*ph\n", (int)len, data); + ret = ld9040_spi_write_word(ctx, *data); + + while (!ret && --len) { + ++data; + ret = ld9040_spi_write_word(ctx, *data | 0x100); + } + + if (ret) { + dev_err(ctx->dev, "error %d writing dcs seq: %*ph\n", ret, + (int)len, data); + ctx->error = ret; + } + + usleep_range(300, 310); +} + +#define ld9040_dcs_write_seq_static(ctx, seq...) \ +({\ + static const u8 d[] = { seq };\ + ld9040_dcs_write(ctx, d, ARRAY_SIZE(d));\ +}) + +static void ld9040_brightness_set(struct ld9040 *ctx) +{ + ld9040_dcs_write(ctx, ld9040_gammas[ctx->brightness], + ARRAY_SIZE(ld9040_gammas[ctx->brightness])); + + ld9040_dcs_write_seq_static(ctx, MCS_GAMMA_CTRL, 0x02, 0x5a); +} + +static void ld9040_init(struct ld9040 *ctx) +{ + ld9040_dcs_write_seq_static(ctx, MCS_USER_SETTING, 0x5a, 0x5a); + ld9040_dcs_write_seq_static(ctx, MCS_PANEL_CONDITION, + 0x05, 0x65, 0x96, 0x71, 0x7d, 0x19, 0x3b, 0x0d, + 0x19, 0x7e, 0x0d, 0xe2, 0x00, 0x00, 0x7e, 0x7d, + 0x07, 0x07, 0x20, 0x20, 0x20, 0x02, 0x02); + ld9040_dcs_write_seq_static(ctx, MCS_DISPCTL, + 0x02, 0x08, 0x08, 0x10, 0x10); + ld9040_dcs_write_seq_static(ctx, MCS_MANPWR, 0x04); + ld9040_dcs_write_seq_static(ctx, MCS_POWER_CTRL, + 0x0a, 0x87, 0x25, 0x6a, 0x44, 0x02, 0x88); + ld9040_dcs_write_seq_static(ctx, MCS_ELVSS_ON, 0x0d, 0x00, 0x16); + ld9040_dcs_write_seq_static(ctx, MCS_GTCON, 0x09, 0x00, 0x00); + ld9040_brightness_set(ctx); + ld9040_dcs_write_seq_static(ctx, MIPI_DCS_EXIT_SLEEP_MODE); + ld9040_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_ON); +} + +static int ld9040_power_on(struct ld9040 *ctx) +{ + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) + return ret; + + msleep(ctx->power_on_delay); + gpiod_set_value(ctx->reset_gpio, 0); + msleep(ctx->reset_delay); + gpiod_set_value(ctx->reset_gpio, 1); + msleep(ctx->reset_delay); + + return 0; +} + +static int ld9040_power_off(struct ld9040 *ctx) +{ + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); +} + +static int ld9040_disable(struct drm_panel *panel) +{ + return 0; +} + +static int ld9040_unprepare(struct drm_panel *panel) +{ + struct ld9040 *ctx = panel_to_ld9040(panel); + + msleep(120); + ld9040_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF); + ld9040_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE); + msleep(40); + + ld9040_clear_error(ctx); + + return ld9040_power_off(ctx); +} + +static int ld9040_prepare(struct drm_panel *panel) +{ + struct ld9040 *ctx = panel_to_ld9040(panel); + int ret; + + ret = ld9040_power_on(ctx); + if (ret < 0) + return ret; + + ld9040_init(ctx); + + ret = ld9040_clear_error(ctx); + + if (ret < 0) + ld9040_unprepare(panel); + + return ret; +} + +static int ld9040_enable(struct drm_panel *panel) +{ + return 0; +} + +static int ld9040_get_modes(struct drm_panel *panel) +{ + struct drm_connector *connector = panel->connector; + struct ld9040 *ctx = panel_to_ld9040(panel); + struct drm_display_mode *mode; + + mode = drm_mode_create(connector->dev); + if (!mode) { + DRM_ERROR("failed to create a new display mode\n"); + return 0; + } + + drm_display_mode_from_videomode(&ctx->vm, mode); + mode->width_mm = ctx->width_mm; + mode->height_mm = ctx->height_mm; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs ld9040_drm_funcs = { + .disable = ld9040_disable, + .unprepare = ld9040_unprepare, + .prepare = ld9040_prepare, + .enable = ld9040_enable, + .get_modes = ld9040_get_modes, +}; + +static int ld9040_parse_dt(struct ld9040 *ctx) +{ + struct device *dev = ctx->dev; + struct device_node *np = dev->of_node; + int ret; + + ret = of_get_videomode(np, &ctx->vm, 0); + if (ret < 0) + return ret; + + of_property_read_u32(np, "power-on-delay", &ctx->power_on_delay); + of_property_read_u32(np, "reset-delay", &ctx->reset_delay); + of_property_read_u32(np, "panel-width-mm", &ctx->width_mm); + of_property_read_u32(np, "panel-height-mm", &ctx->height_mm); + + return 0; +} + +static int ld9040_probe(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + struct ld9040 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(struct ld9040), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + spi_set_drvdata(spi, ctx); + + ctx->dev = dev; + ctx->brightness = ARRAY_SIZE(ld9040_gammas) - 1; + + ret = ld9040_parse_dt(ctx); + if (ret < 0) + return ret; + + ctx->supplies[0].supply = "vdd3"; + ctx->supplies[1].supply = "vci"; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) + return ret; + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) { + dev_err(dev, "cannot get reset-gpios %ld\n", + PTR_ERR(ctx->reset_gpio)); + return PTR_ERR(ctx->reset_gpio); + } + + spi->bits_per_word = 9; + ret = spi_setup(spi); + if (ret < 0) { + dev_err(dev, "spi setup failed.\n"); + return ret; + } + + drm_panel_init(&ctx->panel); + ctx->panel.dev = dev; + ctx->panel.funcs = &ld9040_drm_funcs; + + return drm_panel_add(&ctx->panel); +} + +static int ld9040_remove(struct spi_device *spi) +{ + struct ld9040 *ctx = spi_get_drvdata(spi); + + ld9040_power_off(ctx); + drm_panel_remove(&ctx->panel); + + return 0; +} + +static struct of_device_id ld9040_of_match[] = { + { .compatible = "samsung,ld9040" }, + { } +}; +MODULE_DEVICE_TABLE(of, ld9040_of_match); + +static struct spi_driver ld9040_driver = { + .probe = ld9040_probe, + .remove = ld9040_remove, + .driver = { + .name = "ld9040", + .owner = THIS_MODULE, + .of_match_table = ld9040_of_match, + }, +}; +module_spi_driver(ld9040_driver); + +MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>"); +MODULE_DESCRIPTION("ld9040 LCD Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-s6e8aa0.c b/drivers/gpu/drm/panel/panel-s6e8aa0.c new file mode 100644 index 000000000..144b2733e --- /dev/null +++ b/drivers/gpu/drm/panel/panel-s6e8aa0.c @@ -0,0 +1,1067 @@ +/* + * MIPI-DSI based s6e8aa0 AMOLED LCD 5.3 inch panel driver. + * + * Copyright (c) 2013 Samsung Electronics Co., Ltd + * + * Inki Dae, <inki.dae@samsung.com> + * Donghwa Lee, <dh09.lee@samsung.com> + * Joongmock Shin <jmock.shin@samsung.com> + * Eunchul Kim <chulspro.kim@samsung.com> + * Tomasz Figa <t.figa@samsung.com> + * Andrzej Hajda <a.hajda@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <drm/drmP.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#include <linux/gpio/consumer.h> +#include <linux/regulator/consumer.h> + +#include <video/mipi_display.h> +#include <video/of_videomode.h> +#include <video/videomode.h> + +#define LDI_MTP_LENGTH 24 +#define GAMMA_LEVEL_NUM 25 +#define GAMMA_TABLE_LEN 26 + +#define PANELCTL_SS_MASK (1 << 5) +#define PANELCTL_SS_1_800 (0 << 5) +#define PANELCTL_SS_800_1 (1 << 5) +#define PANELCTL_GTCON_MASK (7 << 2) +#define PANELCTL_GTCON_110 (6 << 2) +#define PANELCTL_GTCON_111 (7 << 2) + +#define PANELCTL_CLK1_CON_MASK (7 << 3) +#define PANELCTL_CLK1_000 (0 << 3) +#define PANELCTL_CLK1_001 (1 << 3) +#define PANELCTL_CLK2_CON_MASK (7 << 0) +#define PANELCTL_CLK2_000 (0 << 0) +#define PANELCTL_CLK2_001 (1 << 0) + +#define PANELCTL_INT1_CON_MASK (7 << 3) +#define PANELCTL_INT1_000 (0 << 3) +#define PANELCTL_INT1_001 (1 << 3) +#define PANELCTL_INT2_CON_MASK (7 << 0) +#define PANELCTL_INT2_000 (0 << 0) +#define PANELCTL_INT2_001 (1 << 0) + +#define PANELCTL_BICTL_CON_MASK (7 << 3) +#define PANELCTL_BICTL_000 (0 << 3) +#define PANELCTL_BICTL_001 (1 << 3) +#define PANELCTL_BICTLB_CON_MASK (7 << 0) +#define PANELCTL_BICTLB_000 (0 << 0) +#define PANELCTL_BICTLB_001 (1 << 0) + +#define PANELCTL_EM_CLK1_CON_MASK (7 << 3) +#define PANELCTL_EM_CLK1_110 (6 << 3) +#define PANELCTL_EM_CLK1_111 (7 << 3) +#define PANELCTL_EM_CLK1B_CON_MASK (7 << 0) +#define PANELCTL_EM_CLK1B_110 (6 << 0) +#define PANELCTL_EM_CLK1B_111 (7 << 0) + +#define PANELCTL_EM_CLK2_CON_MASK (7 << 3) +#define PANELCTL_EM_CLK2_110 (6 << 3) +#define PANELCTL_EM_CLK2_111 (7 << 3) +#define PANELCTL_EM_CLK2B_CON_MASK (7 << 0) +#define PANELCTL_EM_CLK2B_110 (6 << 0) +#define PANELCTL_EM_CLK2B_111 (7 << 0) + +#define PANELCTL_EM_INT1_CON_MASK (7 << 3) +#define PANELCTL_EM_INT1_000 (0 << 3) +#define PANELCTL_EM_INT1_001 (1 << 3) +#define PANELCTL_EM_INT2_CON_MASK (7 << 0) +#define PANELCTL_EM_INT2_000 (0 << 0) +#define PANELCTL_EM_INT2_001 (1 << 0) + +#define AID_DISABLE (0x4) +#define AID_1 (0x5) +#define AID_2 (0x6) +#define AID_3 (0x7) + +typedef u8 s6e8aa0_gamma_table[GAMMA_TABLE_LEN]; + +struct s6e8aa0_variant { + u8 version; + const s6e8aa0_gamma_table *gamma_tables; +}; + +struct s6e8aa0 { + struct device *dev; + struct drm_panel panel; + + struct regulator_bulk_data supplies[2]; + struct gpio_desc *reset_gpio; + u32 power_on_delay; + u32 reset_delay; + u32 init_delay; + bool flip_horizontal; + bool flip_vertical; + struct videomode vm; + u32 width_mm; + u32 height_mm; + + u8 version; + u8 id; + const struct s6e8aa0_variant *variant; + int brightness; + + /* This field is tested by functions directly accessing DSI bus before + * transfer, transfer is skipped if it is set. In case of transfer + * failure or unexpected response the field is set to error value. + * Such construct allows to eliminate many checks in higher level + * functions. + */ + int error; +}; + +static inline struct s6e8aa0 *panel_to_s6e8aa0(struct drm_panel *panel) +{ + return container_of(panel, struct s6e8aa0, panel); +} + +static int s6e8aa0_clear_error(struct s6e8aa0 *ctx) +{ + int ret = ctx->error; + + ctx->error = 0; + return ret; +} + +static void s6e8aa0_dcs_write(struct s6e8aa0 *ctx, const void *data, size_t len) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + ssize_t ret; + + if (ctx->error < 0) + return; + + ret = mipi_dsi_dcs_write_buffer(dsi, data, len); + if (ret < 0) { + dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n", ret, + (int)len, data); + ctx->error = ret; + } +} + +static int s6e8aa0_dcs_read(struct s6e8aa0 *ctx, u8 cmd, void *data, size_t len) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + if (ctx->error < 0) + return ctx->error; + + ret = mipi_dsi_dcs_read(dsi, cmd, data, len); + if (ret < 0) { + dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd); + ctx->error = ret; + } + + return ret; +} + +#define s6e8aa0_dcs_write_seq(ctx, seq...) \ +({\ + const u8 d[] = { seq };\ + BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, "DCS sequence too big for stack");\ + s6e8aa0_dcs_write(ctx, d, ARRAY_SIZE(d));\ +}) + +#define s6e8aa0_dcs_write_seq_static(ctx, seq...) \ +({\ + static const u8 d[] = { seq };\ + s6e8aa0_dcs_write(ctx, d, ARRAY_SIZE(d));\ +}) + +static void s6e8aa0_apply_level_1_key(struct s6e8aa0 *ctx) +{ + s6e8aa0_dcs_write_seq_static(ctx, 0xf0, 0x5a, 0x5a); +} + +static void s6e8aa0_panel_cond_set_v142(struct s6e8aa0 *ctx) +{ + static const u8 aids[] = { + 0x04, 0x04, 0x04, 0x04, 0x04, 0x60, 0x80, 0xA0 + }; + u8 aid = aids[ctx->id >> 5]; + u8 cfg = 0x3d; + u8 clk_con = 0xc8; + u8 int_con = 0x08; + u8 bictl_con = 0x48; + u8 em_clk1_con = 0xff; + u8 em_clk2_con = 0xff; + u8 em_int_con = 0xc8; + + if (ctx->flip_vertical) { + /* GTCON */ + cfg &= ~(PANELCTL_GTCON_MASK); + cfg |= (PANELCTL_GTCON_110); + } + + if (ctx->flip_horizontal) { + /* SS */ + cfg &= ~(PANELCTL_SS_MASK); + cfg |= (PANELCTL_SS_1_800); + } + + if (ctx->flip_horizontal || ctx->flip_vertical) { + /* CLK1,2_CON */ + clk_con &= ~(PANELCTL_CLK1_CON_MASK | + PANELCTL_CLK2_CON_MASK); + clk_con |= (PANELCTL_CLK1_000 | PANELCTL_CLK2_001); + + /* INT1,2_CON */ + int_con &= ~(PANELCTL_INT1_CON_MASK | + PANELCTL_INT2_CON_MASK); + int_con |= (PANELCTL_INT1_000 | PANELCTL_INT2_001); + + /* BICTL,B_CON */ + bictl_con &= ~(PANELCTL_BICTL_CON_MASK | + PANELCTL_BICTLB_CON_MASK); + bictl_con |= (PANELCTL_BICTL_000 | + PANELCTL_BICTLB_001); + + /* EM_CLK1,1B_CON */ + em_clk1_con &= ~(PANELCTL_EM_CLK1_CON_MASK | + PANELCTL_EM_CLK1B_CON_MASK); + em_clk1_con |= (PANELCTL_EM_CLK1_110 | + PANELCTL_EM_CLK1B_110); + + /* EM_CLK2,2B_CON */ + em_clk2_con &= ~(PANELCTL_EM_CLK2_CON_MASK | + PANELCTL_EM_CLK2B_CON_MASK); + em_clk2_con |= (PANELCTL_EM_CLK2_110 | + PANELCTL_EM_CLK2B_110); + + /* EM_INT1,2_CON */ + em_int_con &= ~(PANELCTL_EM_INT1_CON_MASK | + PANELCTL_EM_INT2_CON_MASK); + em_int_con |= (PANELCTL_EM_INT1_000 | + PANELCTL_EM_INT2_001); + } + + s6e8aa0_dcs_write_seq(ctx, + 0xf8, cfg, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, + 0x3c, 0x78, 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, + 0x00, 0x20, aid, 0x08, 0x6e, 0x00, 0x00, 0x00, + 0x02, 0x07, 0x07, 0x23, 0x23, 0xc0, clk_con, int_con, + bictl_con, 0xc1, 0x00, 0xc1, em_clk1_con, em_clk2_con, + em_int_con); +} + +static void s6e8aa0_panel_cond_set(struct s6e8aa0 *ctx) +{ + if (ctx->version < 142) + s6e8aa0_dcs_write_seq_static(ctx, + 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x94, 0x00, + 0x3c, 0x78, 0x10, 0x27, 0x08, 0x6e, 0x00, 0x00, + 0x00, 0x00, 0x04, 0x08, 0x6e, 0x00, 0x00, 0x00, + 0x00, 0x07, 0x07, 0x23, 0x6e, 0xc0, 0xc1, 0x01, + 0x81, 0xc1, 0x00, 0xc3, 0xf6, 0xf6, 0xc1 + ); + else + s6e8aa0_panel_cond_set_v142(ctx); +} + +static void s6e8aa0_display_condition_set(struct s6e8aa0 *ctx) +{ + s6e8aa0_dcs_write_seq_static(ctx, 0xf2, 0x80, 0x03, 0x0d); +} + +static void s6e8aa0_etc_source_control(struct s6e8aa0 *ctx) +{ + s6e8aa0_dcs_write_seq_static(ctx, 0xf6, 0x00, 0x02, 0x00); +} + +static void s6e8aa0_etc_pentile_control(struct s6e8aa0 *ctx) +{ + static const u8 pent32[] = { + 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xc0, 0x44, 0x44, 0xc0, 0x00 + }; + + static const u8 pent142[] = { + 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0, 0x00 + }; + + if (ctx->version < 142) + s6e8aa0_dcs_write(ctx, pent32, ARRAY_SIZE(pent32)); + else + s6e8aa0_dcs_write(ctx, pent142, ARRAY_SIZE(pent142)); +} + +static void s6e8aa0_etc_power_control(struct s6e8aa0 *ctx) +{ + static const u8 pwr142[] = { + 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x1e, 0x33, 0x02 + }; + + static const u8 pwr32[] = { + 0xf4, 0xcf, 0x0a, 0x15, 0x10, 0x19, 0x33, 0x02 + }; + + if (ctx->version < 142) + s6e8aa0_dcs_write(ctx, pwr32, ARRAY_SIZE(pwr32)); + else + s6e8aa0_dcs_write(ctx, pwr142, ARRAY_SIZE(pwr142)); +} + +static void s6e8aa0_etc_elvss_control(struct s6e8aa0 *ctx) +{ + u8 id = ctx->id ? 0 : 0x95; + + s6e8aa0_dcs_write_seq(ctx, 0xb1, 0x04, id); +} + +static void s6e8aa0_elvss_nvm_set_v142(struct s6e8aa0 *ctx) +{ + u8 br; + + switch (ctx->brightness) { + case 0 ... 6: /* 30cd ~ 100cd */ + br = 0xdf; + break; + case 7 ... 11: /* 120cd ~ 150cd */ + br = 0xdd; + break; + case 12 ... 15: /* 180cd ~ 210cd */ + default: + br = 0xd9; + break; + case 16 ... 24: /* 240cd ~ 300cd */ + br = 0xd0; + break; + } + + s6e8aa0_dcs_write_seq(ctx, 0xd9, 0x14, 0x40, 0x0c, 0xcb, 0xce, 0x6e, + 0xc4, 0x0f, 0x40, 0x41, br, 0x00, 0x60, 0x19); +} + +static void s6e8aa0_elvss_nvm_set(struct s6e8aa0 *ctx) +{ + if (ctx->version < 142) + s6e8aa0_dcs_write_seq_static(ctx, + 0xd9, 0x14, 0x40, 0x0c, 0xcb, 0xce, 0x6e, 0xc4, 0x07, + 0x40, 0x41, 0xc1, 0x00, 0x60, 0x19); + else + s6e8aa0_elvss_nvm_set_v142(ctx); +}; + +static void s6e8aa0_apply_level_2_key(struct s6e8aa0 *ctx) +{ + s6e8aa0_dcs_write_seq_static(ctx, 0xfc, 0x5a, 0x5a); +} + +static const s6e8aa0_gamma_table s6e8aa0_gamma_tables_v142[GAMMA_LEVEL_NUM] = { + { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x62, 0x55, 0x55, + 0xaf, 0xb1, 0xb1, 0xbd, 0xce, 0xb7, 0x9a, 0xb1, + 0x90, 0xb2, 0xc4, 0xae, 0x00, 0x60, 0x00, 0x40, + 0x00, 0x70, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x74, 0x68, 0x69, + 0xb8, 0xc1, 0xb7, 0xbd, 0xcd, 0xb8, 0x93, 0xab, + 0x88, 0xb4, 0xc4, 0xb1, 0x00, 0x6b, 0x00, 0x4d, + 0x00, 0x7d, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x95, 0x8a, 0x89, + 0xb4, 0xc6, 0xb2, 0xc5, 0xd2, 0xbf, 0x90, 0xa8, + 0x85, 0xb5, 0xc4, 0xb3, 0x00, 0x7b, 0x00, 0x5d, + 0x00, 0x8f, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x9f, 0x98, 0x92, + 0xb3, 0xc4, 0xb0, 0xbc, 0xcc, 0xb4, 0x91, 0xa6, + 0x87, 0xb5, 0xc5, 0xb4, 0x00, 0x87, 0x00, 0x6a, + 0x00, 0x9e, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x99, 0x93, 0x8b, + 0xb2, 0xc2, 0xb0, 0xbd, 0xce, 0xb4, 0x90, 0xa6, + 0x87, 0xb3, 0xc3, 0xb2, 0x00, 0x8d, 0x00, 0x70, + 0x00, 0xa4, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xa5, 0x99, + 0xb2, 0xc2, 0xb0, 0xbb, 0xcd, 0xb1, 0x93, 0xa7, + 0x8a, 0xb2, 0xc1, 0xb0, 0x00, 0x92, 0x00, 0x75, + 0x00, 0xaa, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa0, 0xa0, 0x93, + 0xb6, 0xc4, 0xb4, 0xb5, 0xc8, 0xaa, 0x94, 0xa9, + 0x8c, 0xb2, 0xc0, 0xb0, 0x00, 0x97, 0x00, 0x7a, + 0x00, 0xaf, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xa7, 0x96, + 0xb3, 0xc2, 0xb0, 0xba, 0xcb, 0xb0, 0x94, 0xa8, + 0x8c, 0xb0, 0xbf, 0xaf, 0x00, 0x9f, 0x00, 0x83, + 0x00, 0xb9, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x9d, 0xa2, 0x90, + 0xb6, 0xc5, 0xb3, 0xb8, 0xc9, 0xae, 0x94, 0xa8, + 0x8d, 0xaf, 0xbd, 0xad, 0x00, 0xa4, 0x00, 0x88, + 0x00, 0xbf, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa6, 0xac, 0x97, + 0xb4, 0xc4, 0xb1, 0xbb, 0xcb, 0xb2, 0x93, 0xa7, + 0x8d, 0xae, 0xbc, 0xad, 0x00, 0xa7, 0x00, 0x8c, + 0x00, 0xc3, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa2, 0xa9, 0x93, + 0xb6, 0xc5, 0xb2, 0xba, 0xc9, 0xb0, 0x93, 0xa7, + 0x8d, 0xae, 0xbb, 0xac, 0x00, 0xab, 0x00, 0x90, + 0x00, 0xc8, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0x9e, 0xa6, 0x8f, + 0xb7, 0xc6, 0xb3, 0xb8, 0xc8, 0xb0, 0x93, 0xa6, + 0x8c, 0xae, 0xbb, 0xad, 0x00, 0xae, 0x00, 0x93, + 0x00, 0xcc, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xab, 0xb4, 0x9c, + 0xb3, 0xc3, 0xaf, 0xb7, 0xc7, 0xaf, 0x93, 0xa6, + 0x8c, 0xaf, 0xbc, 0xad, 0x00, 0xb1, 0x00, 0x97, + 0x00, 0xcf, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa6, 0xb1, 0x98, + 0xb1, 0xc2, 0xab, 0xba, 0xc9, 0xb2, 0x93, 0xa6, + 0x8d, 0xae, 0xba, 0xab, 0x00, 0xb5, 0x00, 0x9b, + 0x00, 0xd4, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xae, 0x94, + 0xb2, 0xc3, 0xac, 0xbb, 0xca, 0xb4, 0x91, 0xa4, + 0x8a, 0xae, 0xba, 0xac, 0x00, 0xb8, 0x00, 0x9e, + 0x00, 0xd8, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xab, 0xb7, 0x9c, + 0xae, 0xc0, 0xa9, 0xba, 0xc9, 0xb3, 0x92, 0xa5, + 0x8b, 0xad, 0xb9, 0xab, 0x00, 0xbb, 0x00, 0xa1, + 0x00, 0xdc, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xb4, 0x97, + 0xb0, 0xc1, 0xaa, 0xb9, 0xc8, 0xb2, 0x92, 0xa5, + 0x8c, 0xae, 0xb9, 0xab, 0x00, 0xbe, 0x00, 0xa4, + 0x00, 0xdf, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xb0, 0x94, + 0xb0, 0xc2, 0xab, 0xbb, 0xc9, 0xb3, 0x91, 0xa4, + 0x8b, 0xad, 0xb8, 0xaa, 0x00, 0xc1, 0x00, 0xa8, + 0x00, 0xe2, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa3, 0xb0, 0x94, + 0xae, 0xbf, 0xa8, 0xb9, 0xc8, 0xb3, 0x92, 0xa4, + 0x8b, 0xad, 0xb7, 0xa9, 0x00, 0xc4, 0x00, 0xab, + 0x00, 0xe6, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xb6, 0x98, + 0xaf, 0xc0, 0xa8, 0xb8, 0xc7, 0xb2, 0x93, 0xa5, + 0x8d, 0xad, 0xb7, 0xa9, 0x00, 0xc7, 0x00, 0xae, + 0x00, 0xe9, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa4, 0xb3, 0x95, + 0xaf, 0xc1, 0xa9, 0xb9, 0xc8, 0xb3, 0x92, 0xa4, + 0x8b, 0xad, 0xb7, 0xaa, 0x00, 0xc9, 0x00, 0xb0, + 0x00, 0xec, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa4, 0xb3, 0x95, + 0xac, 0xbe, 0xa6, 0xbb, 0xc9, 0xb4, 0x90, 0xa3, + 0x8a, 0xad, 0xb7, 0xa9, 0x00, 0xcc, 0x00, 0xb4, + 0x00, 0xf0, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa0, 0xb0, 0x91, + 0xae, 0xc0, 0xa6, 0xba, 0xc8, 0xb4, 0x91, 0xa4, + 0x8b, 0xad, 0xb7, 0xa9, 0x00, 0xcf, 0x00, 0xb7, + 0x00, 0xf3, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa7, 0xb8, 0x98, + 0xab, 0xbd, 0xa4, 0xbb, 0xc9, 0xb5, 0x91, 0xa3, + 0x8b, 0xac, 0xb6, 0xa8, 0x00, 0xd1, 0x00, 0xb9, + 0x00, 0xf6, + }, { + 0xfa, 0x01, 0x71, 0x31, 0x7b, 0xa4, 0xb5, 0x95, + 0xa9, 0xbc, 0xa1, 0xbb, 0xc9, 0xb5, 0x91, 0xa3, + 0x8a, 0xad, 0xb6, 0xa8, 0x00, 0xd6, 0x00, 0xbf, + 0x00, 0xfc, + }, +}; + +static const s6e8aa0_gamma_table s6e8aa0_gamma_tables_v96[GAMMA_LEVEL_NUM] = { + { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xdf, 0x1f, 0xd7, 0xdc, 0xb7, 0xe1, 0xc0, 0xaf, + 0xc4, 0xd2, 0xd0, 0xcf, 0x00, 0x4d, 0x00, 0x40, + 0x00, 0x5f, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xd5, 0x35, 0xcf, 0xdc, 0xc1, 0xe1, 0xbf, 0xb3, + 0xc1, 0xd2, 0xd1, 0xce, 0x00, 0x53, 0x00, 0x46, + 0x00, 0x67, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xd2, 0x64, 0xcf, 0xdb, 0xc6, 0xe1, 0xbd, 0xb3, + 0xbd, 0xd2, 0xd2, 0xce, 0x00, 0x59, 0x00, 0x4b, + 0x00, 0x6e, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xd0, 0x7c, 0xcf, 0xdb, 0xc9, 0xe0, 0xbc, 0xb4, + 0xbb, 0xcf, 0xd1, 0xcc, 0x00, 0x5f, 0x00, 0x50, + 0x00, 0x75, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xd0, 0x8e, 0xd1, 0xdb, 0xcc, 0xdf, 0xbb, 0xb6, + 0xb9, 0xd0, 0xd1, 0xcd, 0x00, 0x63, 0x00, 0x54, + 0x00, 0x7a, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xd1, 0x9e, 0xd5, 0xda, 0xcd, 0xdd, 0xbb, 0xb7, + 0xb9, 0xce, 0xce, 0xc9, 0x00, 0x68, 0x00, 0x59, + 0x00, 0x81, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x00, 0xff, + 0xd0, 0xa5, 0xd6, 0xda, 0xcf, 0xdd, 0xbb, 0xb7, + 0xb8, 0xcc, 0xcd, 0xc7, 0x00, 0x6c, 0x00, 0x5c, + 0x00, 0x86, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x1f, 0xfe, + 0xd0, 0xae, 0xd7, 0xd9, 0xd0, 0xdb, 0xb9, 0xb6, + 0xb5, 0xca, 0xcc, 0xc5, 0x00, 0x74, 0x00, 0x63, + 0x00, 0x90, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x1f, 0xf9, + 0xcf, 0xb0, 0xd6, 0xd9, 0xd1, 0xdb, 0xb9, 0xb6, + 0xb4, 0xca, 0xcb, 0xc5, 0x00, 0x77, 0x00, 0x66, + 0x00, 0x94, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xff, 0x1f, 0xf7, + 0xcf, 0xb3, 0xd7, 0xd8, 0xd1, 0xd9, 0xb7, 0xb6, + 0xb3, 0xc9, 0xca, 0xc3, 0x00, 0x7b, 0x00, 0x69, + 0x00, 0x99, + + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xfd, 0x2f, 0xf7, + 0xdf, 0xb5, 0xd6, 0xd8, 0xd1, 0xd8, 0xb6, 0xb5, + 0xb2, 0xca, 0xcb, 0xc4, 0x00, 0x7e, 0x00, 0x6c, + 0x00, 0x9d, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xfa, 0x2f, 0xf5, + 0xce, 0xb6, 0xd5, 0xd7, 0xd2, 0xd8, 0xb6, 0xb4, + 0xb0, 0xc7, 0xc9, 0xc1, 0x00, 0x84, 0x00, 0x71, + 0x00, 0xa5, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xf7, 0x2f, 0xf2, + 0xce, 0xb9, 0xd5, 0xd8, 0xd2, 0xd8, 0xb4, 0xb4, + 0xaf, 0xc7, 0xc9, 0xc1, 0x00, 0x87, 0x00, 0x73, + 0x00, 0xa8, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xf5, 0x2f, 0xf0, + 0xdf, 0xba, 0xd5, 0xd7, 0xd2, 0xd7, 0xb4, 0xb4, + 0xaf, 0xc5, 0xc7, 0xbf, 0x00, 0x8a, 0x00, 0x76, + 0x00, 0xac, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xf2, 0x2f, 0xed, + 0xcE, 0xbb, 0xd4, 0xd6, 0xd2, 0xd6, 0xb5, 0xb4, + 0xaF, 0xc5, 0xc7, 0xbf, 0x00, 0x8c, 0x00, 0x78, + 0x00, 0xaf, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xef, 0x2f, 0xeb, + 0xcd, 0xbb, 0xd2, 0xd7, 0xd3, 0xd6, 0xb3, 0xb4, + 0xae, 0xc5, 0xc6, 0xbe, 0x00, 0x91, 0x00, 0x7d, + 0x00, 0xb6, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xee, 0x2f, 0xea, + 0xce, 0xbd, 0xd4, 0xd6, 0xd2, 0xd5, 0xb2, 0xb3, + 0xad, 0xc3, 0xc4, 0xbb, 0x00, 0x94, 0x00, 0x7f, + 0x00, 0xba, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xec, 0x2f, 0xe8, + 0xce, 0xbe, 0xd3, 0xd6, 0xd3, 0xd5, 0xb2, 0xb2, + 0xac, 0xc3, 0xc5, 0xbc, 0x00, 0x96, 0x00, 0x81, + 0x00, 0xbd, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xeb, 0x2f, 0xe7, + 0xce, 0xbf, 0xd3, 0xd6, 0xd2, 0xd5, 0xb1, 0xb2, + 0xab, 0xc2, 0xc4, 0xbb, 0x00, 0x99, 0x00, 0x83, + 0x00, 0xc0, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xef, 0x5f, 0xe9, + 0xca, 0xbf, 0xd3, 0xd5, 0xd2, 0xd4, 0xb2, 0xb2, + 0xab, 0xc1, 0xc4, 0xba, 0x00, 0x9b, 0x00, 0x85, + 0x00, 0xc3, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xea, 0x5f, 0xe8, + 0xee, 0xbf, 0xd2, 0xd5, 0xd2, 0xd4, 0xb1, 0xb2, + 0xab, 0xc1, 0xc2, 0xb9, 0x00, 0x9D, 0x00, 0x87, + 0x00, 0xc6, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe9, 0x5f, 0xe7, + 0xcd, 0xbf, 0xd2, 0xd6, 0xd2, 0xd4, 0xb1, 0xb2, + 0xab, 0xbe, 0xc0, 0xb7, 0x00, 0xa1, 0x00, 0x8a, + 0x00, 0xca, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe8, 0x61, 0xe6, + 0xcd, 0xbf, 0xd1, 0xd6, 0xd3, 0xd4, 0xaf, 0xb0, + 0xa9, 0xbe, 0xc1, 0xb7, 0x00, 0xa3, 0x00, 0x8b, + 0x00, 0xce, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe8, 0x62, 0xe5, + 0xcc, 0xc0, 0xd0, 0xd6, 0xd2, 0xd4, 0xaf, 0xb1, + 0xa9, 0xbd, 0xc0, 0xb6, 0x00, 0xa5, 0x00, 0x8d, + 0x00, 0xd0, + }, { + 0xfa, 0x01, 0x1f, 0x1f, 0x1f, 0xe7, 0x7f, 0xe3, + 0xcc, 0xc1, 0xd0, 0xd5, 0xd3, 0xd3, 0xae, 0xaf, + 0xa8, 0xbe, 0xc0, 0xb7, 0x00, 0xa8, 0x00, 0x90, + 0x00, 0xd3, + } +}; + +static const s6e8aa0_gamma_table s6e8aa0_gamma_tables_v32[GAMMA_LEVEL_NUM] = { + { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0x72, 0x5e, 0x6b, + 0xa1, 0xa7, 0x9a, 0xb4, 0xcb, 0xb8, 0x92, 0xac, + 0x97, 0xb4, 0xc3, 0xb5, 0x00, 0x4e, 0x00, 0x37, + 0x00, 0x58, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0x85, 0x71, 0x7d, + 0xa6, 0xb6, 0xa1, 0xb5, 0xca, 0xba, 0x93, 0xac, + 0x98, 0xb2, 0xc0, 0xaf, 0x00, 0x59, 0x00, 0x43, + 0x00, 0x64, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa4, 0x94, 0x9e, + 0xa0, 0xbb, 0x9c, 0xc3, 0xd2, 0xc6, 0x93, 0xaa, + 0x95, 0xb7, 0xc2, 0xb4, 0x00, 0x65, 0x00, 0x50, + 0x00, 0x74, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xa1, 0xa6, + 0xa0, 0xb9, 0x9b, 0xc3, 0xd1, 0xc8, 0x90, 0xa6, + 0x90, 0xbb, 0xc3, 0xb7, 0x00, 0x6f, 0x00, 0x5b, + 0x00, 0x80, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa6, 0x9d, 0x9f, + 0x9f, 0xb8, 0x9a, 0xc7, 0xd5, 0xcc, 0x90, 0xa5, + 0x8f, 0xb8, 0xc1, 0xb6, 0x00, 0x74, 0x00, 0x60, + 0x00, 0x85, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb3, 0xae, 0xae, + 0x9e, 0xb7, 0x9a, 0xc8, 0xd6, 0xce, 0x91, 0xa6, + 0x90, 0xb6, 0xc0, 0xb3, 0x00, 0x78, 0x00, 0x65, + 0x00, 0x8a, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xa9, 0xa8, + 0xa3, 0xb9, 0x9e, 0xc4, 0xd3, 0xcb, 0x94, 0xa6, + 0x90, 0xb6, 0xbf, 0xb3, 0x00, 0x7c, 0x00, 0x69, + 0x00, 0x8e, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xaf, 0xaf, 0xa9, + 0xa5, 0xbc, 0xa2, 0xc7, 0xd5, 0xcd, 0x93, 0xa5, + 0x8f, 0xb4, 0xbd, 0xb1, 0x00, 0x83, 0x00, 0x70, + 0x00, 0x96, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa9, 0xab, 0xa3, + 0xaa, 0xbf, 0xa7, 0xc5, 0xd3, 0xcb, 0x93, 0xa5, + 0x8f, 0xb2, 0xbb, 0xb0, 0x00, 0x86, 0x00, 0x74, + 0x00, 0x9b, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb1, 0xb5, 0xab, + 0xab, 0xc0, 0xa9, 0xc7, 0xd4, 0xcc, 0x94, 0xa4, + 0x8f, 0xb1, 0xbb, 0xaf, 0x00, 0x8a, 0x00, 0x77, + 0x00, 0x9e, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb2, 0xa7, + 0xae, 0xc2, 0xab, 0xc5, 0xd3, 0xca, 0x93, 0xa4, + 0x8f, 0xb1, 0xba, 0xae, 0x00, 0x8d, 0x00, 0x7b, + 0x00, 0xa2, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa9, 0xaf, 0xa3, + 0xb0, 0xc3, 0xae, 0xc4, 0xd1, 0xc8, 0x93, 0xa4, + 0x8f, 0xb1, 0xba, 0xaf, 0x00, 0x8f, 0x00, 0x7d, + 0x00, 0xa5, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb4, 0xbd, 0xaf, + 0xae, 0xc1, 0xab, 0xc2, 0xd0, 0xc6, 0x94, 0xa4, + 0x8f, 0xb1, 0xba, 0xaf, 0x00, 0x92, 0x00, 0x80, + 0x00, 0xa8, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb0, 0xb9, 0xac, + 0xad, 0xc1, 0xab, 0xc4, 0xd1, 0xc7, 0x95, 0xa4, + 0x90, 0xb0, 0xb9, 0xad, 0x00, 0x95, 0x00, 0x84, + 0x00, 0xac, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb6, 0xa7, + 0xaf, 0xc2, 0xae, 0xc5, 0xd1, 0xc7, 0x93, 0xa3, + 0x8e, 0xb0, 0xb9, 0xad, 0x00, 0x98, 0x00, 0x86, + 0x00, 0xaf, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb4, 0xbf, 0xaf, + 0xad, 0xc1, 0xab, 0xc3, 0xd0, 0xc6, 0x94, 0xa3, + 0x8f, 0xaf, 0xb8, 0xac, 0x00, 0x9a, 0x00, 0x89, + 0x00, 0xb2, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb0, 0xbc, 0xac, + 0xaf, 0xc2, 0xad, 0xc2, 0xcf, 0xc4, 0x94, 0xa3, + 0x90, 0xaf, 0xb8, 0xad, 0x00, 0x9c, 0x00, 0x8b, + 0x00, 0xb5, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb9, 0xa7, + 0xb1, 0xc4, 0xaf, 0xc3, 0xcf, 0xc5, 0x94, 0xa3, + 0x8f, 0xae, 0xb7, 0xac, 0x00, 0x9f, 0x00, 0x8e, + 0x00, 0xb8, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xb9, 0xa7, + 0xaf, 0xc2, 0xad, 0xc1, 0xce, 0xc3, 0x95, 0xa3, + 0x90, 0xad, 0xb6, 0xab, 0x00, 0xa2, 0x00, 0x91, + 0x00, 0xbb, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb1, 0xbe, 0xac, + 0xb1, 0xc4, 0xaf, 0xc1, 0xcd, 0xc1, 0x95, 0xa4, + 0x91, 0xad, 0xb6, 0xab, 0x00, 0xa4, 0x00, 0x93, + 0x00, 0xbd, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xbb, 0xa8, + 0xb3, 0xc5, 0xb2, 0xc1, 0xcd, 0xc2, 0x95, 0xa3, + 0x90, 0xad, 0xb6, 0xab, 0x00, 0xa6, 0x00, 0x95, + 0x00, 0xc0, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xbb, 0xa8, + 0xb0, 0xc3, 0xaf, 0xc2, 0xce, 0xc2, 0x94, 0xa2, + 0x90, 0xac, 0xb6, 0xab, 0x00, 0xa8, 0x00, 0x98, + 0x00, 0xc3, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xa9, 0xb8, 0xa5, + 0xb3, 0xc5, 0xb2, 0xc1, 0xcc, 0xc0, 0x95, 0xa2, + 0x90, 0xad, 0xb6, 0xab, 0x00, 0xaa, 0x00, 0x9a, + 0x00, 0xc5, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xb0, 0xc0, 0xac, + 0xb0, 0xc3, 0xaf, 0xc1, 0xcd, 0xc1, 0x95, 0xa2, + 0x90, 0xac, 0xb5, 0xa9, 0x00, 0xac, 0x00, 0x9c, + 0x00, 0xc8, + }, { + 0xfa, 0x01, 0x43, 0x14, 0x45, 0xad, 0xbd, 0xa8, + 0xaf, 0xc2, 0xaf, 0xc1, 0xcc, 0xc0, 0x95, 0xa2, + 0x90, 0xac, 0xb5, 0xaa, 0x00, 0xb1, 0x00, 0xa1, + 0x00, 0xcc, + }, +}; + +static const struct s6e8aa0_variant s6e8aa0_variants[] = { + { + .version = 32, + .gamma_tables = s6e8aa0_gamma_tables_v32, + }, { + .version = 96, + .gamma_tables = s6e8aa0_gamma_tables_v96, + }, { + .version = 142, + .gamma_tables = s6e8aa0_gamma_tables_v142, + }, { + .version = 210, + .gamma_tables = s6e8aa0_gamma_tables_v142, + } +}; + +static void s6e8aa0_brightness_set(struct s6e8aa0 *ctx) +{ + const u8 *gamma; + + if (ctx->error) + return; + + gamma = ctx->variant->gamma_tables[ctx->brightness]; + + if (ctx->version >= 142) + s6e8aa0_elvss_nvm_set(ctx); + + s6e8aa0_dcs_write(ctx, gamma, GAMMA_TABLE_LEN); + + /* update gamma table. */ + s6e8aa0_dcs_write_seq_static(ctx, 0xf7, 0x03); +} + +static void s6e8aa0_panel_init(struct s6e8aa0 *ctx) +{ + s6e8aa0_apply_level_1_key(ctx); + s6e8aa0_apply_level_2_key(ctx); + msleep(20); + + s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_EXIT_SLEEP_MODE); + msleep(40); + + s6e8aa0_panel_cond_set(ctx); + s6e8aa0_display_condition_set(ctx); + s6e8aa0_brightness_set(ctx); + s6e8aa0_etc_source_control(ctx); + s6e8aa0_etc_pentile_control(ctx); + s6e8aa0_elvss_nvm_set(ctx); + s6e8aa0_etc_power_control(ctx); + s6e8aa0_etc_elvss_control(ctx); + msleep(ctx->init_delay); +} + +static void s6e8aa0_set_maximum_return_packet_size(struct s6e8aa0 *ctx, + u16 size) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + if (ctx->error < 0) + return; + + ret = mipi_dsi_set_maximum_return_packet_size(dsi, size); + if (ret < 0) { + dev_err(ctx->dev, + "error %d setting maximum return packet size to %d\n", + ret, size); + ctx->error = ret; + } +} + +static void s6e8aa0_read_mtp_id(struct s6e8aa0 *ctx) +{ + u8 id[3]; + int ret, i; + + ret = s6e8aa0_dcs_read(ctx, 0xd1, id, ARRAY_SIZE(id)); + if (ret < ARRAY_SIZE(id) || id[0] == 0x00) { + dev_err(ctx->dev, "read id failed\n"); + ctx->error = -EIO; + return; + } + + dev_info(ctx->dev, "ID: 0x%2x, 0x%2x, 0x%2x\n", id[0], id[1], id[2]); + + for (i = 0; i < ARRAY_SIZE(s6e8aa0_variants); ++i) { + if (id[1] == s6e8aa0_variants[i].version) + break; + } + if (i >= ARRAY_SIZE(s6e8aa0_variants)) { + dev_err(ctx->dev, "unsupported display version %d\n", id[1]); + ctx->error = -EINVAL; + return; + } + + ctx->variant = &s6e8aa0_variants[i]; + ctx->version = id[1]; + ctx->id = id[2]; +} + +static void s6e8aa0_set_sequence(struct s6e8aa0 *ctx) +{ + s6e8aa0_set_maximum_return_packet_size(ctx, 3); + s6e8aa0_read_mtp_id(ctx); + s6e8aa0_panel_init(ctx); + s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_ON); +} + +static int s6e8aa0_power_on(struct s6e8aa0 *ctx) +{ + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret < 0) + return ret; + + msleep(ctx->power_on_delay); + + gpiod_set_value(ctx->reset_gpio, 0); + usleep_range(10000, 11000); + gpiod_set_value(ctx->reset_gpio, 1); + + msleep(ctx->reset_delay); + + return 0; +} + +static int s6e8aa0_power_off(struct s6e8aa0 *ctx) +{ + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); +} + +static int s6e8aa0_disable(struct drm_panel *panel) +{ + return 0; +} + +static int s6e8aa0_unprepare(struct drm_panel *panel) +{ + struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel); + + s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE); + s6e8aa0_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF); + msleep(40); + + s6e8aa0_clear_error(ctx); + + return s6e8aa0_power_off(ctx); +} + +static int s6e8aa0_prepare(struct drm_panel *panel) +{ + struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel); + int ret; + + ret = s6e8aa0_power_on(ctx); + if (ret < 0) + return ret; + + s6e8aa0_set_sequence(ctx); + ret = ctx->error; + + if (ret < 0) + s6e8aa0_unprepare(panel); + + return ret; +} + +static int s6e8aa0_enable(struct drm_panel *panel) +{ + return 0; +} + +static int s6e8aa0_get_modes(struct drm_panel *panel) +{ + struct drm_connector *connector = panel->connector; + struct s6e8aa0 *ctx = panel_to_s6e8aa0(panel); + struct drm_display_mode *mode; + + mode = drm_mode_create(connector->dev); + if (!mode) { + DRM_ERROR("failed to create a new display mode\n"); + return 0; + } + + drm_display_mode_from_videomode(&ctx->vm, mode); + mode->width_mm = ctx->width_mm; + mode->height_mm = ctx->height_mm; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs s6e8aa0_drm_funcs = { + .disable = s6e8aa0_disable, + .unprepare = s6e8aa0_unprepare, + .prepare = s6e8aa0_prepare, + .enable = s6e8aa0_enable, + .get_modes = s6e8aa0_get_modes, +}; + +static int s6e8aa0_parse_dt(struct s6e8aa0 *ctx) +{ + struct device *dev = ctx->dev; + struct device_node *np = dev->of_node; + int ret; + + ret = of_get_videomode(np, &ctx->vm, 0); + if (ret < 0) + return ret; + + of_property_read_u32(np, "power-on-delay", &ctx->power_on_delay); + of_property_read_u32(np, "reset-delay", &ctx->reset_delay); + of_property_read_u32(np, "init-delay", &ctx->init_delay); + of_property_read_u32(np, "panel-width-mm", &ctx->width_mm); + of_property_read_u32(np, "panel-height-mm", &ctx->height_mm); + + ctx->flip_horizontal = of_property_read_bool(np, "flip-horizontal"); + ctx->flip_vertical = of_property_read_bool(np, "flip-vertical"); + + return 0; +} + +static int s6e8aa0_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct s6e8aa0 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(struct s6e8aa0), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + mipi_dsi_set_drvdata(dsi, ctx); + + ctx->dev = dev; + + 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_HFP | MIPI_DSI_MODE_VIDEO_HBP + | MIPI_DSI_MODE_VIDEO_HSA | MIPI_DSI_MODE_EOT_PACKET + | MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_AUTO_VERT; + + ret = s6e8aa0_parse_dt(ctx); + if (ret < 0) + return ret; + + ctx->supplies[0].supply = "vdd3"; + ctx->supplies[1].supply = "vci"; + 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_HIGH); + if (IS_ERR(ctx->reset_gpio)) { + dev_err(dev, "cannot get reset-gpios %ld\n", + PTR_ERR(ctx->reset_gpio)); + return PTR_ERR(ctx->reset_gpio); + } + + ctx->brightness = GAMMA_LEVEL_NUM - 1; + + drm_panel_init(&ctx->panel); + ctx->panel.dev = dev; + ctx->panel.funcs = &s6e8aa0_drm_funcs; + + ret = drm_panel_add(&ctx->panel); + if (ret < 0) + return ret; + + ret = mipi_dsi_attach(dsi); + if (ret < 0) + drm_panel_remove(&ctx->panel); + + return ret; +} + +static int s6e8aa0_remove(struct mipi_dsi_device *dsi) +{ + struct s6e8aa0 *ctx = mipi_dsi_get_drvdata(dsi); + + mipi_dsi_detach(dsi); + drm_panel_remove(&ctx->panel); + + return 0; +} + +static struct of_device_id s6e8aa0_of_match[] = { + { .compatible = "samsung,s6e8aa0" }, + { } +}; +MODULE_DEVICE_TABLE(of, s6e8aa0_of_match); + +static struct mipi_dsi_driver s6e8aa0_driver = { + .probe = s6e8aa0_probe, + .remove = s6e8aa0_remove, + .driver = { + .name = "panel_s6e8aa0", + .of_match_table = s6e8aa0_of_match, + }, +}; +module_mipi_dsi_driver(s6e8aa0_driver); + +MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); +MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); +MODULE_AUTHOR("Joongmock Shin <jmock.shin@samsung.com>"); +MODULE_AUTHOR("Eunchul Kim <chulspro.kim@samsung.com>"); +MODULE_AUTHOR("Tomasz Figa <t.figa@samsung.com>"); +MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>"); +MODULE_DESCRIPTION("MIPI-DSI based s6e8aa0 AMOLED LCD Panel Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c new file mode 100644 index 000000000..3cce3ca19 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c @@ -0,0 +1,475 @@ +/* + * Copyright (C) 2014 NVIDIA Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/backlight.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#include <video/mipi_display.h> + +struct sharp_panel { + struct drm_panel base; + /* the datasheet refers to them as DSI-LINK1 and DSI-LINK2 */ + struct mipi_dsi_device *link1; + struct mipi_dsi_device *link2; + + struct backlight_device *backlight; + struct regulator *supply; + + bool prepared; + bool enabled; + + const struct drm_display_mode *mode; +}; + +static inline struct sharp_panel *to_sharp_panel(struct drm_panel *panel) +{ + return container_of(panel, struct sharp_panel, base); +} + +static void sharp_wait_frames(struct sharp_panel *sharp, unsigned int frames) +{ + unsigned int refresh = drm_mode_vrefresh(sharp->mode); + + if (WARN_ON(frames > refresh)) + return; + + msleep(1000 / (refresh / frames)); +} + +static int sharp_panel_write(struct sharp_panel *sharp, u16 offset, u8 value) +{ + u8 payload[3] = { offset >> 8, offset & 0xff, value }; + struct mipi_dsi_device *dsi = sharp->link1; + ssize_t err; + + err = mipi_dsi_generic_write(dsi, payload, sizeof(payload)); + if (err < 0) { + dev_err(&dsi->dev, "failed to write %02x to %04x: %zd\n", + value, offset, err); + return err; + } + + err = mipi_dsi_dcs_nop(dsi); + if (err < 0) { + dev_err(&dsi->dev, "failed to send DCS nop: %zd\n", err); + return err; + } + + usleep_range(10, 20); + + return 0; +} + +static __maybe_unused int sharp_panel_read(struct sharp_panel *sharp, + u16 offset, u8 *value) +{ + ssize_t err; + + cpu_to_be16s(&offset); + + err = mipi_dsi_generic_read(sharp->link1, &offset, sizeof(offset), + value, sizeof(*value)); + if (err < 0) + dev_err(&sharp->link1->dev, "failed to read from %04x: %zd\n", + offset, err); + + return err; +} + +static int sharp_panel_disable(struct drm_panel *panel) +{ + struct sharp_panel *sharp = to_sharp_panel(panel); + + if (!sharp->enabled) + return 0; + + if (sharp->backlight) { + sharp->backlight->props.power = FB_BLANK_POWERDOWN; + backlight_update_status(sharp->backlight); + } + + sharp->enabled = false; + + return 0; +} + +static int sharp_panel_unprepare(struct drm_panel *panel) +{ + struct sharp_panel *sharp = to_sharp_panel(panel); + int err; + + if (!sharp->prepared) + return 0; + + sharp_wait_frames(sharp, 4); + + err = mipi_dsi_dcs_set_display_off(sharp->link1); + if (err < 0) + dev_err(panel->dev, "failed to set display off: %d\n", err); + + err = mipi_dsi_dcs_enter_sleep_mode(sharp->link1); + if (err < 0) + dev_err(panel->dev, "failed to enter sleep mode: %d\n", err); + + msleep(120); + + regulator_disable(sharp->supply); + + sharp->prepared = false; + + return 0; +} + +static int sharp_setup_symmetrical_split(struct mipi_dsi_device *left, + struct mipi_dsi_device *right, + const struct drm_display_mode *mode) +{ + int err; + + err = mipi_dsi_dcs_set_column_address(left, 0, mode->hdisplay / 2 - 1); + if (err < 0) { + dev_err(&left->dev, "failed to set column address: %d\n", err); + return err; + } + + err = mipi_dsi_dcs_set_page_address(left, 0, mode->vdisplay - 1); + if (err < 0) { + dev_err(&left->dev, "failed to set page address: %d\n", err); + return err; + } + + err = mipi_dsi_dcs_set_column_address(right, mode->hdisplay / 2, + mode->hdisplay - 1); + if (err < 0) { + dev_err(&right->dev, "failed to set column address: %d\n", err); + return err; + } + + err = mipi_dsi_dcs_set_page_address(right, 0, mode->vdisplay - 1); + if (err < 0) { + dev_err(&right->dev, "failed to set page address: %d\n", err); + return err; + } + + return 0; +} + +static int sharp_panel_prepare(struct drm_panel *panel) +{ + struct sharp_panel *sharp = to_sharp_panel(panel); + u8 format = MIPI_DCS_PIXEL_FMT_24BIT; + int err; + + if (sharp->prepared) + return 0; + + err = regulator_enable(sharp->supply); + if (err < 0) + return err; + + /* + * According to the datasheet, the panel needs around 10 ms to fully + * power up. At least another 120 ms is required before exiting sleep + * mode to make sure the panel is ready. Throw in another 20 ms for + * good measure. + */ + msleep(150); + + err = mipi_dsi_dcs_exit_sleep_mode(sharp->link1); + if (err < 0) { + dev_err(panel->dev, "failed to exit sleep mode: %d\n", err); + goto poweroff; + } + + /* + * The MIPI DCS specification mandates this delay only between the + * exit_sleep_mode and enter_sleep_mode commands, so it isn't strictly + * necessary here. + */ + /* + msleep(120); + */ + + /* set left-right mode */ + err = sharp_panel_write(sharp, 0x1000, 0x2a); + if (err < 0) { + dev_err(panel->dev, "failed to set left-right mode: %d\n", err); + goto poweroff; + } + + /* enable command mode */ + err = sharp_panel_write(sharp, 0x1001, 0x01); + if (err < 0) { + dev_err(panel->dev, "failed to enable command mode: %d\n", err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_pixel_format(sharp->link1, format); + if (err < 0) { + dev_err(panel->dev, "failed to set pixel format: %d\n", err); + goto poweroff; + } + + /* + * TODO: The device supports both left-right and even-odd split + * configurations, but this driver currently supports only the left- + * right split. To support a different mode a mechanism needs to be + * put in place to communicate the configuration back to the DSI host + * controller. + */ + err = sharp_setup_symmetrical_split(sharp->link1, sharp->link2, + sharp->mode); + if (err < 0) { + dev_err(panel->dev, "failed to set up symmetrical split: %d\n", + err); + goto poweroff; + } + + err = mipi_dsi_dcs_set_display_on(sharp->link1); + if (err < 0) { + dev_err(panel->dev, "failed to set display on: %d\n", err); + goto poweroff; + } + + sharp->prepared = true; + + /* wait for 6 frames before continuing */ + sharp_wait_frames(sharp, 6); + + return 0; + +poweroff: + regulator_disable(sharp->supply); + return err; +} + +static int sharp_panel_enable(struct drm_panel *panel) +{ + struct sharp_panel *sharp = to_sharp_panel(panel); + + if (sharp->enabled) + return 0; + + if (sharp->backlight) { + sharp->backlight->props.power = FB_BLANK_UNBLANK; + backlight_update_status(sharp->backlight); + } + + sharp->enabled = true; + + return 0; +} + +static const struct drm_display_mode default_mode = { + .clock = 278000, + .hdisplay = 2560, + .hsync_start = 2560 + 128, + .hsync_end = 2560 + 128 + 64, + .htotal = 2560 + 128 + 64 + 64, + .vdisplay = 1600, + .vsync_start = 1600 + 4, + .vsync_end = 1600 + 4 + 8, + .vtotal = 1600 + 4 + 8 + 32, + .vrefresh = 60, +}; + +static int sharp_panel_get_modes(struct drm_panel *panel) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(panel->drm, &default_mode); + if (!mode) { + dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n", + default_mode.hdisplay, default_mode.vdisplay, + default_mode.vrefresh); + return -ENOMEM; + } + + drm_mode_set_name(mode); + + drm_mode_probed_add(panel->connector, mode); + + panel->connector->display_info.width_mm = 217; + panel->connector->display_info.height_mm = 136; + + return 1; +} + +static const struct drm_panel_funcs sharp_panel_funcs = { + .disable = sharp_panel_disable, + .unprepare = sharp_panel_unprepare, + .prepare = sharp_panel_prepare, + .enable = sharp_panel_enable, + .get_modes = sharp_panel_get_modes, +}; + +static const struct of_device_id sharp_of_match[] = { + { .compatible = "sharp,lq101r1sx01", }, + { } +}; +MODULE_DEVICE_TABLE(of, sharp_of_match); + +static int sharp_panel_add(struct sharp_panel *sharp) +{ + struct device_node *np; + int err; + + sharp->mode = &default_mode; + + sharp->supply = devm_regulator_get(&sharp->link1->dev, "power"); + if (IS_ERR(sharp->supply)) + return PTR_ERR(sharp->supply); + + np = of_parse_phandle(sharp->link1->dev.of_node, "backlight", 0); + if (np) { + sharp->backlight = of_find_backlight_by_node(np); + of_node_put(np); + + if (!sharp->backlight) + return -EPROBE_DEFER; + } + + drm_panel_init(&sharp->base); + sharp->base.funcs = &sharp_panel_funcs; + sharp->base.dev = &sharp->link1->dev; + + err = drm_panel_add(&sharp->base); + if (err < 0) + goto put_backlight; + + return 0; + +put_backlight: + if (sharp->backlight) + put_device(&sharp->backlight->dev); + + return err; +} + +static void sharp_panel_del(struct sharp_panel *sharp) +{ + if (sharp->base.dev) + drm_panel_remove(&sharp->base); + + if (sharp->backlight) + put_device(&sharp->backlight->dev); + + if (sharp->link2) + put_device(&sharp->link2->dev); +} + +static int sharp_panel_probe(struct mipi_dsi_device *dsi) +{ + struct mipi_dsi_device *secondary = NULL; + struct sharp_panel *sharp; + struct device_node *np; + int err; + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_LPM; + + /* Find DSI-LINK1 */ + np = of_parse_phandle(dsi->dev.of_node, "link2", 0); + if (np) { + secondary = of_find_mipi_dsi_device_by_node(np); + of_node_put(np); + + if (!secondary) + return -EPROBE_DEFER; + } + + /* register a panel for only the DSI-LINK1 interface */ + if (secondary) { + sharp = devm_kzalloc(&dsi->dev, sizeof(*sharp), GFP_KERNEL); + if (!sharp) { + put_device(&secondary->dev); + return -ENOMEM; + } + + mipi_dsi_set_drvdata(dsi, sharp); + + sharp->link2 = secondary; + sharp->link1 = dsi; + + err = sharp_panel_add(sharp); + if (err < 0) { + put_device(&secondary->dev); + return err; + } + } + + err = mipi_dsi_attach(dsi); + if (err < 0) { + if (secondary) + sharp_panel_del(sharp); + + return err; + } + + return 0; +} + +static int sharp_panel_remove(struct mipi_dsi_device *dsi) +{ + struct sharp_panel *sharp = mipi_dsi_get_drvdata(dsi); + int err; + + /* only detach from host for the DSI-LINK2 interface */ + if (!sharp) { + mipi_dsi_detach(dsi); + return 0; + } + + err = sharp_panel_disable(&sharp->base); + if (err < 0) + dev_err(&dsi->dev, "failed to disable panel: %d\n", err); + + err = mipi_dsi_detach(dsi); + if (err < 0) + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); + + drm_panel_detach(&sharp->base); + sharp_panel_del(sharp); + + return 0; +} + +static void sharp_panel_shutdown(struct mipi_dsi_device *dsi) +{ + struct sharp_panel *sharp = mipi_dsi_get_drvdata(dsi); + + /* nothing to do for DSI-LINK2 */ + if (!sharp) + return; + + sharp_panel_disable(&sharp->base); +} + +static struct mipi_dsi_driver sharp_panel_driver = { + .driver = { + .name = "panel-sharp-lq101r1sx01", + .of_match_table = sharp_of_match, + }, + .probe = sharp_panel_probe, + .remove = sharp_panel_remove, + .shutdown = sharp_panel_shutdown, +}; +module_mipi_dsi_driver(sharp_panel_driver); + +MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>"); +MODULE_DESCRIPTION("Sharp LQ101R1SX01 panel driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c new file mode 100644 index 000000000..30904a9b2 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -0,0 +1,1297 @@ +/* + * Copyright (C) 2013, NVIDIA Corporation. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <linux/backlight.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_panel.h> + +#include <video/display_timing.h> +#include <video/videomode.h> + +struct panel_desc { + const struct drm_display_mode *modes; + unsigned int num_modes; + const struct display_timing *timings; + unsigned int num_timings; + + unsigned int bpc; + + struct { + unsigned int width; + unsigned int height; + } size; + + /** + * @prepare: the time (in milliseconds) that it takes for the panel to + * become ready and start receiving video data + * @enable: the time (in milliseconds) that it takes for the panel to + * display the first valid frame after starting to receive + * video data + * @disable: the time (in milliseconds) that it takes for the panel to + * turn the display off (no content is visible) + * @unprepare: the time (in milliseconds) that it takes for the panel + * to power itself down completely + */ + struct { + unsigned int prepare; + unsigned int enable; + unsigned int disable; + unsigned int unprepare; + } delay; + + u32 bus_format; +}; + +struct panel_simple { + struct drm_panel base; + bool prepared; + bool enabled; + + const struct panel_desc *desc; + + struct backlight_device *backlight; + struct regulator *supply; + struct i2c_adapter *ddc; + + struct gpio_desc *enable_gpio; +}; + +static inline struct panel_simple *to_panel_simple(struct drm_panel *panel) +{ + return container_of(panel, struct panel_simple, base); +} + +static int panel_simple_get_fixed_modes(struct panel_simple *panel) +{ + struct drm_connector *connector = panel->base.connector; + struct drm_device *drm = panel->base.drm; + struct drm_display_mode *mode; + unsigned int i, num = 0; + + if (!panel->desc) + return 0; + + for (i = 0; i < panel->desc->num_timings; i++) { + const struct display_timing *dt = &panel->desc->timings[i]; + struct videomode vm; + + videomode_from_timing(dt, &vm); + mode = drm_mode_create(drm); + if (!mode) { + dev_err(drm->dev, "failed to add mode %ux%u\n", + dt->hactive.typ, dt->vactive.typ); + continue; + } + + drm_display_mode_from_videomode(&vm, mode); + drm_mode_set_name(mode); + + drm_mode_probed_add(connector, mode); + num++; + } + + for (i = 0; i < panel->desc->num_modes; i++) { + const struct drm_display_mode *m = &panel->desc->modes[i]; + + mode = drm_mode_duplicate(drm, m); + if (!mode) { + dev_err(drm->dev, "failed to add mode %ux%u@%u\n", + m->hdisplay, m->vdisplay, m->vrefresh); + continue; + } + + drm_mode_set_name(mode); + + drm_mode_probed_add(connector, mode); + num++; + } + + connector->display_info.bpc = panel->desc->bpc; + connector->display_info.width_mm = panel->desc->size.width; + connector->display_info.height_mm = panel->desc->size.height; + if (panel->desc->bus_format) + drm_display_info_set_bus_formats(&connector->display_info, + &panel->desc->bus_format, 1); + + return num; +} + +static int panel_simple_disable(struct drm_panel *panel) +{ + struct panel_simple *p = to_panel_simple(panel); + + if (!p->enabled) + return 0; + + if (p->backlight) { + p->backlight->props.power = FB_BLANK_POWERDOWN; + backlight_update_status(p->backlight); + } + + if (p->desc->delay.disable) + msleep(p->desc->delay.disable); + + p->enabled = false; + + return 0; +} + +static int panel_simple_unprepare(struct drm_panel *panel) +{ + struct panel_simple *p = to_panel_simple(panel); + + if (!p->prepared) + return 0; + + if (p->enable_gpio) + gpiod_set_value_cansleep(p->enable_gpio, 0); + + regulator_disable(p->supply); + + if (p->desc->delay.unprepare) + msleep(p->desc->delay.unprepare); + + p->prepared = false; + + return 0; +} + +static int panel_simple_prepare(struct drm_panel *panel) +{ + struct panel_simple *p = to_panel_simple(panel); + int err; + + if (p->prepared) + return 0; + + err = regulator_enable(p->supply); + if (err < 0) { + dev_err(panel->dev, "failed to enable supply: %d\n", err); + return err; + } + + if (p->enable_gpio) + gpiod_set_value_cansleep(p->enable_gpio, 1); + + if (p->desc->delay.prepare) + msleep(p->desc->delay.prepare); + + p->prepared = true; + + return 0; +} + +static int panel_simple_enable(struct drm_panel *panel) +{ + struct panel_simple *p = to_panel_simple(panel); + + if (p->enabled) + return 0; + + if (p->desc->delay.enable) + msleep(p->desc->delay.enable); + + if (p->backlight) { + p->backlight->props.power = FB_BLANK_UNBLANK; + backlight_update_status(p->backlight); + } + + p->enabled = true; + + return 0; +} + +static int panel_simple_get_modes(struct drm_panel *panel) +{ + struct panel_simple *p = to_panel_simple(panel); + int num = 0; + + /* probe EDID if a DDC bus is available */ + if (p->ddc) { + struct edid *edid = drm_get_edid(panel->connector, p->ddc); + drm_mode_connector_update_edid_property(panel->connector, edid); + if (edid) { + num += drm_add_edid_modes(panel->connector, edid); + kfree(edid); + } + } + + /* add hard-coded panel modes */ + num += panel_simple_get_fixed_modes(p); + + return num; +} + +static int panel_simple_get_timings(struct drm_panel *panel, + unsigned int num_timings, + struct display_timing *timings) +{ + struct panel_simple *p = to_panel_simple(panel); + unsigned int i; + + if (p->desc->num_timings < num_timings) + num_timings = p->desc->num_timings; + + if (timings) + for (i = 0; i < num_timings; i++) + timings[i] = p->desc->timings[i]; + + return p->desc->num_timings; +} + +static const struct drm_panel_funcs panel_simple_funcs = { + .disable = panel_simple_disable, + .unprepare = panel_simple_unprepare, + .prepare = panel_simple_prepare, + .enable = panel_simple_enable, + .get_modes = panel_simple_get_modes, + .get_timings = panel_simple_get_timings, +}; + +static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) +{ + struct device_node *backlight, *ddc; + struct panel_simple *panel; + int err; + + panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL); + if (!panel) + return -ENOMEM; + + panel->enabled = false; + panel->prepared = false; + panel->desc = desc; + + panel->supply = devm_regulator_get(dev, "power"); + if (IS_ERR(panel->supply)) + return PTR_ERR(panel->supply); + + panel->enable_gpio = devm_gpiod_get_optional(dev, "enable", + GPIOD_OUT_LOW); + if (IS_ERR(panel->enable_gpio)) { + err = PTR_ERR(panel->enable_gpio); + dev_err(dev, "failed to request GPIO: %d\n", err); + return err; + } + + backlight = of_parse_phandle(dev->of_node, "backlight", 0); + if (backlight) { + panel->backlight = of_find_backlight_by_node(backlight); + of_node_put(backlight); + + if (!panel->backlight) + return -EPROBE_DEFER; + } + + ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0); + if (ddc) { + panel->ddc = of_find_i2c_adapter_by_node(ddc); + of_node_put(ddc); + + if (!panel->ddc) { + err = -EPROBE_DEFER; + goto free_backlight; + } + } + + drm_panel_init(&panel->base); + panel->base.dev = dev; + panel->base.funcs = &panel_simple_funcs; + + err = drm_panel_add(&panel->base); + if (err < 0) + goto free_ddc; + + dev_set_drvdata(dev, panel); + + return 0; + +free_ddc: + if (panel->ddc) + put_device(&panel->ddc->dev); +free_backlight: + if (panel->backlight) + put_device(&panel->backlight->dev); + + return err; +} + +static int panel_simple_remove(struct device *dev) +{ + struct panel_simple *panel = dev_get_drvdata(dev); + + drm_panel_detach(&panel->base); + drm_panel_remove(&panel->base); + + panel_simple_disable(&panel->base); + + if (panel->ddc) + put_device(&panel->ddc->dev); + + if (panel->backlight) + put_device(&panel->backlight->dev); + + return 0; +} + +static void panel_simple_shutdown(struct device *dev) +{ + struct panel_simple *panel = dev_get_drvdata(dev); + + panel_simple_disable(&panel->base); +} + +static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = { + .clock = 33333, + .hdisplay = 800, + .hsync_start = 800 + 0, + .hsync_end = 800 + 0 + 255, + .htotal = 800 + 0 + 255 + 0, + .vdisplay = 480, + .vsync_start = 480 + 2, + .vsync_end = 480 + 2 + 45, + .vtotal = 480 + 2 + 45 + 0, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC, +}; + +static const struct panel_desc ampire_am800480r3tmqwa1h = { + .modes = &ire_am800480r3tmqwa1h_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 152, + .height = 91, + }, + .bus_format = MEDIA_BUS_FMT_RGB666_1X18, +}; + +static const struct drm_display_mode auo_b101aw03_mode = { + .clock = 51450, + .hdisplay = 1024, + .hsync_start = 1024 + 156, + .hsync_end = 1024 + 156 + 8, + .htotal = 1024 + 156 + 8 + 156, + .vdisplay = 600, + .vsync_start = 600 + 16, + .vsync_end = 600 + 16 + 6, + .vtotal = 600 + 16 + 6 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc auo_b101aw03 = { + .modes = &auo_b101aw03_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 223, + .height = 125, + }, +}; + +static const struct drm_display_mode auo_b101ean01_mode = { + .clock = 72500, + .hdisplay = 1280, + .hsync_start = 1280 + 119, + .hsync_end = 1280 + 119 + 32, + .htotal = 1280 + 119 + 32 + 21, + .vdisplay = 800, + .vsync_start = 800 + 4, + .vsync_end = 800 + 4 + 20, + .vtotal = 800 + 4 + 20 + 8, + .vrefresh = 60, +}; + +static const struct panel_desc auo_b101ean01 = { + .modes = &auo_b101ean01_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 217, + .height = 136, + }, +}; + +static const struct drm_display_mode auo_b101xtn01_mode = { + .clock = 72000, + .hdisplay = 1366, + .hsync_start = 1366 + 20, + .hsync_end = 1366 + 20 + 70, + .htotal = 1366 + 20 + 70, + .vdisplay = 768, + .vsync_start = 768 + 14, + .vsync_end = 768 + 14 + 42, + .vtotal = 768 + 14 + 42, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, +}; + +static const struct panel_desc auo_b101xtn01 = { + .modes = &auo_b101xtn01_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 223, + .height = 125, + }, +}; + +static const struct drm_display_mode auo_b116xw03_mode = { + .clock = 70589, + .hdisplay = 1366, + .hsync_start = 1366 + 40, + .hsync_end = 1366 + 40 + 40, + .htotal = 1366 + 40 + 40 + 32, + .vdisplay = 768, + .vsync_start = 768 + 10, + .vsync_end = 768 + 10 + 12, + .vtotal = 768 + 10 + 12 + 6, + .vrefresh = 60, +}; + +static const struct panel_desc auo_b116xw03 = { + .modes = &auo_b116xw03_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 256, + .height = 144, + }, +}; + +static const struct drm_display_mode auo_b133xtn01_mode = { + .clock = 69500, + .hdisplay = 1366, + .hsync_start = 1366 + 48, + .hsync_end = 1366 + 48 + 32, + .htotal = 1366 + 48 + 32 + 20, + .vdisplay = 768, + .vsync_start = 768 + 3, + .vsync_end = 768 + 3 + 6, + .vtotal = 768 + 3 + 6 + 13, + .vrefresh = 60, +}; + +static const struct panel_desc auo_b133xtn01 = { + .modes = &auo_b133xtn01_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 293, + .height = 165, + }, +}; + +static const struct drm_display_mode auo_b133htn01_mode = { + .clock = 150660, + .hdisplay = 1920, + .hsync_start = 1920 + 172, + .hsync_end = 1920 + 172 + 80, + .htotal = 1920 + 172 + 80 + 60, + .vdisplay = 1080, + .vsync_start = 1080 + 25, + .vsync_end = 1080 + 25 + 10, + .vtotal = 1080 + 25 + 10 + 10, + .vrefresh = 60, +}; + +static const struct panel_desc auo_b133htn01 = { + .modes = &auo_b133htn01_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 293, + .height = 165, + }, + .delay = { + .prepare = 105, + .enable = 20, + .unprepare = 50, + }, +}; + +static const struct drm_display_mode avic_tm070ddh03_mode = { + .clock = 51200, + .hdisplay = 1024, + .hsync_start = 1024 + 160, + .hsync_end = 1024 + 160 + 4, + .htotal = 1024 + 160 + 4 + 156, + .vdisplay = 600, + .vsync_start = 600 + 17, + .vsync_end = 600 + 17 + 1, + .vtotal = 600 + 17 + 1 + 17, + .vrefresh = 60, +}; + +static const struct panel_desc avic_tm070ddh03 = { + .modes = &avic_tm070ddh03_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 154, + .height = 90, + }, + .delay = { + .prepare = 20, + .enable = 200, + .disable = 200, + }, +}; + +static const struct drm_display_mode chunghwa_claa101wa01a_mode = { + .clock = 72070, + .hdisplay = 1366, + .hsync_start = 1366 + 58, + .hsync_end = 1366 + 58 + 58, + .htotal = 1366 + 58 + 58 + 58, + .vdisplay = 768, + .vsync_start = 768 + 4, + .vsync_end = 768 + 4 + 4, + .vtotal = 768 + 4 + 4 + 4, + .vrefresh = 60, +}; + +static const struct panel_desc chunghwa_claa101wa01a = { + .modes = &chunghwa_claa101wa01a_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 220, + .height = 120, + }, +}; + +static const struct drm_display_mode chunghwa_claa101wb01_mode = { + .clock = 69300, + .hdisplay = 1366, + .hsync_start = 1366 + 48, + .hsync_end = 1366 + 48 + 32, + .htotal = 1366 + 48 + 32 + 20, + .vdisplay = 768, + .vsync_start = 768 + 16, + .vsync_end = 768 + 16 + 8, + .vtotal = 768 + 16 + 8 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc chunghwa_claa101wb01 = { + .modes = &chunghwa_claa101wb01_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 223, + .height = 125, + }, +}; + +static const struct drm_display_mode edt_et057090dhu_mode = { + .clock = 25175, + .hdisplay = 640, + .hsync_start = 640 + 16, + .hsync_end = 640 + 16 + 30, + .htotal = 640 + 16 + 30 + 114, + .vdisplay = 480, + .vsync_start = 480 + 10, + .vsync_end = 480 + 10 + 3, + .vtotal = 480 + 10 + 3 + 32, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, +}; + +static const struct panel_desc edt_et057090dhu = { + .modes = &edt_et057090dhu_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 115, + .height = 86, + }, +}; + +static const struct drm_display_mode edt_etm0700g0dh6_mode = { + .clock = 33260, + .hdisplay = 800, + .hsync_start = 800 + 40, + .hsync_end = 800 + 40 + 128, + .htotal = 800 + 40 + 128 + 88, + .vdisplay = 480, + .vsync_start = 480 + 10, + .vsync_end = 480 + 10 + 2, + .vtotal = 480 + 10 + 2 + 33, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, +}; + +static const struct panel_desc edt_etm0700g0dh6 = { + .modes = &edt_etm0700g0dh6_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 152, + .height = 91, + }, +}; + +static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = { + .clock = 32260, + .hdisplay = 800, + .hsync_start = 800 + 168, + .hsync_end = 800 + 168 + 64, + .htotal = 800 + 168 + 64 + 88, + .vdisplay = 480, + .vsync_start = 480 + 37, + .vsync_end = 480 + 37 + 2, + .vtotal = 480 + 37 + 2 + 8, + .vrefresh = 60, +}; + +static const struct panel_desc foxlink_fl500wvr00_a0t = { + .modes = &foxlink_fl500wvr00_a0t_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 108, + .height = 65, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, +}; + +static const struct drm_display_mode giantplus_gpg482739qs5_mode = { + .clock = 9000, + .hdisplay = 480, + .hsync_start = 480 + 5, + .hsync_end = 480 + 5 + 1, + .htotal = 480 + 5 + 1 + 40, + .vdisplay = 272, + .vsync_start = 272 + 8, + .vsync_end = 272 + 8 + 1, + .vtotal = 272 + 8 + 1 + 8, + .vrefresh = 60, +}; + +static const struct panel_desc giantplus_gpg482739qs5 = { + .modes = &giantplus_gpg482739qs5_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 95, + .height = 54, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, +}; + +static const struct display_timing hannstar_hsd070pww1_timing = { + .pixelclock = { 64300000, 71100000, 82000000 }, + .hactive = { 1280, 1280, 1280 }, + .hfront_porch = { 1, 1, 10 }, + .hback_porch = { 1, 1, 10 }, + .hsync_len = { 52, 158, 661 }, + .vactive = { 800, 800, 800 }, + .vfront_porch = { 1, 1, 10 }, + .vback_porch = { 1, 1, 10 }, + .vsync_len = { 1, 21, 203 }, + .flags = DISPLAY_FLAGS_DE_HIGH, +}; + +static const struct panel_desc hannstar_hsd070pww1 = { + .timings = &hannstar_hsd070pww1_timing, + .num_timings = 1, + .bpc = 6, + .size = { + .width = 151, + .height = 94, + }, +}; + +static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = { + .clock = 33333, + .hdisplay = 800, + .hsync_start = 800 + 85, + .hsync_end = 800 + 85 + 86, + .htotal = 800 + 85 + 86 + 85, + .vdisplay = 480, + .vsync_start = 480 + 16, + .vsync_end = 480 + 16 + 13, + .vtotal = 480 + 16 + 13 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc hitachi_tx23d38vm0caa = { + .modes = &hitachi_tx23d38vm0caa_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 195, + .height = 117, + }, +}; + +static const struct drm_display_mode innolux_at043tn24_mode = { + .clock = 9000, + .hdisplay = 480, + .hsync_start = 480 + 2, + .hsync_end = 480 + 2 + 41, + .htotal = 480 + 2 + 41 + 2, + .vdisplay = 272, + .vsync_start = 272 + 2, + .vsync_end = 272 + 2 + 11, + .vtotal = 272 + 2 + 11 + 2, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, +}; + +static const struct panel_desc innolux_at043tn24 = { + .modes = &innolux_at043tn24_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 95, + .height = 54, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, +}; + +static const struct drm_display_mode innolux_g121i1_l01_mode = { + .clock = 71000, + .hdisplay = 1280, + .hsync_start = 1280 + 64, + .hsync_end = 1280 + 64 + 32, + .htotal = 1280 + 64 + 32 + 64, + .vdisplay = 800, + .vsync_start = 800 + 9, + .vsync_end = 800 + 9 + 6, + .vtotal = 800 + 9 + 6 + 9, + .vrefresh = 60, +}; + +static const struct panel_desc innolux_g121i1_l01 = { + .modes = &innolux_g121i1_l01_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 261, + .height = 163, + }, +}; + +static const struct drm_display_mode innolux_n116bge_mode = { + .clock = 76420, + .hdisplay = 1366, + .hsync_start = 1366 + 136, + .hsync_end = 1366 + 136 + 30, + .htotal = 1366 + 136 + 30 + 60, + .vdisplay = 768, + .vsync_start = 768 + 8, + .vsync_end = 768 + 8 + 12, + .vtotal = 768 + 8 + 12 + 12, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, +}; + +static const struct panel_desc innolux_n116bge = { + .modes = &innolux_n116bge_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 256, + .height = 144, + }, +}; + +static const struct drm_display_mode innolux_n156bge_l21_mode = { + .clock = 69300, + .hdisplay = 1366, + .hsync_start = 1366 + 16, + .hsync_end = 1366 + 16 + 34, + .htotal = 1366 + 16 + 34 + 50, + .vdisplay = 768, + .vsync_start = 768 + 2, + .vsync_end = 768 + 2 + 6, + .vtotal = 768 + 2 + 6 + 12, + .vrefresh = 60, +}; + +static const struct panel_desc innolux_n156bge_l21 = { + .modes = &innolux_n156bge_l21_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 344, + .height = 193, + }, +}; + +static const struct drm_display_mode innolux_zj070na_01p_mode = { + .clock = 51501, + .hdisplay = 1024, + .hsync_start = 1024 + 128, + .hsync_end = 1024 + 128 + 64, + .htotal = 1024 + 128 + 64 + 128, + .vdisplay = 600, + .vsync_start = 600 + 16, + .vsync_end = 600 + 16 + 4, + .vtotal = 600 + 16 + 4 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc innolux_zj070na_01p = { + .modes = &innolux_zj070na_01p_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 1024, + .height = 600, + }, +}; + +static const struct drm_display_mode lg_lp129qe_mode = { + .clock = 285250, + .hdisplay = 2560, + .hsync_start = 2560 + 48, + .hsync_end = 2560 + 48 + 32, + .htotal = 2560 + 48 + 32 + 80, + .vdisplay = 1700, + .vsync_start = 1700 + 3, + .vsync_end = 1700 + 3 + 10, + .vtotal = 1700 + 3 + 10 + 36, + .vrefresh = 60, +}; + +static const struct panel_desc lg_lp129qe = { + .modes = &lg_lp129qe_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 272, + .height = 181, + }, +}; + +static const struct drm_display_mode ortustech_com43h4m85ulc_mode = { + .clock = 25000, + .hdisplay = 480, + .hsync_start = 480 + 10, + .hsync_end = 480 + 10 + 10, + .htotal = 480 + 10 + 10 + 15, + .vdisplay = 800, + .vsync_start = 800 + 3, + .vsync_end = 800 + 3 + 3, + .vtotal = 800 + 3 + 3 + 3, + .vrefresh = 60, +}; + +static const struct panel_desc ortustech_com43h4m85ulc = { + .modes = &ortustech_com43h4m85ulc_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 56, + .height = 93, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, +}; + +static const struct drm_display_mode samsung_ltn101nt05_mode = { + .clock = 54030, + .hdisplay = 1024, + .hsync_start = 1024 + 24, + .hsync_end = 1024 + 24 + 136, + .htotal = 1024 + 24 + 136 + 160, + .vdisplay = 600, + .vsync_start = 600 + 3, + .vsync_end = 600 + 3 + 6, + .vtotal = 600 + 3 + 6 + 61, + .vrefresh = 60, +}; + +static const struct panel_desc samsung_ltn101nt05 = { + .modes = &samsung_ltn101nt05_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 1024, + .height = 600, + }, +}; + +static const struct drm_display_mode samsung_ltn140at29_301_mode = { + .clock = 76300, + .hdisplay = 1366, + .hsync_start = 1366 + 64, + .hsync_end = 1366 + 64 + 48, + .htotal = 1366 + 64 + 48 + 128, + .vdisplay = 768, + .vsync_start = 768 + 2, + .vsync_end = 768 + 2 + 5, + .vtotal = 768 + 2 + 5 + 17, + .vrefresh = 60, +}; + +static const struct panel_desc samsung_ltn140at29_301 = { + .modes = &samsung_ltn140at29_301_mode, + .num_modes = 1, + .bpc = 6, + .size = { + .width = 320, + .height = 187, + }, +}; + +static const struct drm_display_mode shelly_sca07010_bfn_lnn_mode = { + .clock = 33300, + .hdisplay = 800, + .hsync_start = 800 + 1, + .hsync_end = 800 + 1 + 64, + .htotal = 800 + 1 + 64 + 64, + .vdisplay = 480, + .vsync_start = 480 + 1, + .vsync_end = 480 + 1 + 23, + .vtotal = 480 + 1 + 23 + 22, + .vrefresh = 60, +}; + +static const struct panel_desc shelly_sca07010_bfn_lnn = { + .modes = &shelly_sca07010_bfn_lnn_mode, + .num_modes = 1, + .size = { + .width = 152, + .height = 91, + }, + .bus_format = MEDIA_BUS_FMT_RGB666_1X18, +}; + +static const struct of_device_id platform_of_match[] = { + { + .compatible = "ampire,am800480r3tmqwa1h", + .data = &ire_am800480r3tmqwa1h, + }, { + .compatible = "auo,b101aw03", + .data = &auo_b101aw03, + }, { + .compatible = "auo,b101ean01", + .data = &auo_b101ean01, + }, { + .compatible = "auo,b101xtn01", + .data = &auo_b101xtn01, + }, { + .compatible = "auo,b116xw03", + .data = &auo_b116xw03, + }, { + .compatible = "auo,b133htn01", + .data = &auo_b133htn01, + }, { + .compatible = "auo,b133xtn01", + .data = &auo_b133xtn01, + }, { + .compatible = "avic,tm070ddh03", + .data = &avic_tm070ddh03, + }, { + .compatible = "chunghwa,claa101wa01a", + .data = &chunghwa_claa101wa01a + }, { + .compatible = "chunghwa,claa101wb01", + .data = &chunghwa_claa101wb01 + }, { + .compatible = "edt,et057090dhu", + .data = &edt_et057090dhu, + }, { + .compatible = "edt,et070080dh6", + .data = &edt_etm0700g0dh6, + }, { + .compatible = "edt,etm0700g0dh6", + .data = &edt_etm0700g0dh6, + }, { + .compatible = "foxlink,fl500wvr00-a0t", + .data = &foxlink_fl500wvr00_a0t, + }, { + .compatible = "giantplus,gpg482739qs5", + .data = &giantplus_gpg482739qs5 + }, { + .compatible = "hannstar,hsd070pww1", + .data = &hannstar_hsd070pww1, + }, { + .compatible = "hit,tx23d38vm0caa", + .data = &hitachi_tx23d38vm0caa + }, { + .compatible = "innolux,at043tn24", + .data = &innolux_at043tn24, + }, { + .compatible ="innolux,g121i1-l01", + .data = &innolux_g121i1_l01 + }, { + .compatible = "innolux,n116bge", + .data = &innolux_n116bge, + }, { + .compatible = "innolux,n156bge-l21", + .data = &innolux_n156bge_l21, + }, { + .compatible = "innolux,zj070na-01p", + .data = &innolux_zj070na_01p, + }, { + .compatible = "lg,lp129qe", + .data = &lg_lp129qe, + }, { + .compatible = "ortustech,com43h4m85ulc", + .data = &ortustech_com43h4m85ulc, + }, { + .compatible = "samsung,ltn101nt05", + .data = &samsung_ltn101nt05, + }, { + .compatible = "samsung,ltn140at29-301", + .data = &samsung_ltn140at29_301, + }, { + .compatible = "shelly,sca07010-bfn-lnn", + .data = &shelly_sca07010_bfn_lnn, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(of, platform_of_match); + +static int panel_simple_platform_probe(struct platform_device *pdev) +{ + const struct of_device_id *id; + + id = of_match_node(platform_of_match, pdev->dev.of_node); + if (!id) + return -ENODEV; + + return panel_simple_probe(&pdev->dev, id->data); +} + +static int panel_simple_platform_remove(struct platform_device *pdev) +{ + return panel_simple_remove(&pdev->dev); +} + +static void panel_simple_platform_shutdown(struct platform_device *pdev) +{ + panel_simple_shutdown(&pdev->dev); +} + +static struct platform_driver panel_simple_platform_driver = { + .driver = { + .name = "panel-simple", + .of_match_table = platform_of_match, + }, + .probe = panel_simple_platform_probe, + .remove = panel_simple_platform_remove, + .shutdown = panel_simple_platform_shutdown, +}; + +struct panel_desc_dsi { + struct panel_desc desc; + + unsigned long flags; + enum mipi_dsi_pixel_format format; + unsigned int lanes; +}; + +static const struct drm_display_mode lg_ld070wx3_sl01_mode = { + .clock = 71000, + .hdisplay = 800, + .hsync_start = 800 + 32, + .hsync_end = 800 + 32 + 1, + .htotal = 800 + 32 + 1 + 57, + .vdisplay = 1280, + .vsync_start = 1280 + 28, + .vsync_end = 1280 + 28 + 1, + .vtotal = 1280 + 28 + 1 + 14, + .vrefresh = 60, +}; + +static const struct panel_desc_dsi lg_ld070wx3_sl01 = { + .desc = { + .modes = &lg_ld070wx3_sl01_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 94, + .height = 151, + }, + }, + .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, +}; + +static const struct drm_display_mode lg_lh500wx1_sd03_mode = { + .clock = 67000, + .hdisplay = 720, + .hsync_start = 720 + 12, + .hsync_end = 720 + 12 + 4, + .htotal = 720 + 12 + 4 + 112, + .vdisplay = 1280, + .vsync_start = 1280 + 8, + .vsync_end = 1280 + 8 + 4, + .vtotal = 1280 + 8 + 4 + 12, + .vrefresh = 60, +}; + +static const struct panel_desc_dsi lg_lh500wx1_sd03 = { + .desc = { + .modes = &lg_lh500wx1_sd03_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 62, + .height = 110, + }, + }, + .flags = MIPI_DSI_MODE_VIDEO, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, +}; + +static const struct drm_display_mode panasonic_vvx10f004b00_mode = { + .clock = 157200, + .hdisplay = 1920, + .hsync_start = 1920 + 154, + .hsync_end = 1920 + 154 + 16, + .htotal = 1920 + 154 + 16 + 32, + .vdisplay = 1200, + .vsync_start = 1200 + 17, + .vsync_end = 1200 + 17 + 2, + .vtotal = 1200 + 17 + 2 + 16, + .vrefresh = 60, +}; + +static const struct panel_desc_dsi panasonic_vvx10f004b00 = { + .desc = { + .modes = &panasonic_vvx10f004b00_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 217, + .height = 136, + }, + }, + .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | + MIPI_DSI_CLOCK_NON_CONTINUOUS, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, +}; + +static const struct of_device_id dsi_of_match[] = { + { + .compatible = "lg,ld070wx3-sl01", + .data = &lg_ld070wx3_sl01 + }, { + .compatible = "lg,lh500wx1-sd03", + .data = &lg_lh500wx1_sd03 + }, { + .compatible = "panasonic,vvx10f004b00", + .data = &panasonic_vvx10f004b00 + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(of, dsi_of_match); + +static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) +{ + const struct panel_desc_dsi *desc; + const struct of_device_id *id; + int err; + + id = of_match_node(dsi_of_match, dsi->dev.of_node); + if (!id) + return -ENODEV; + + desc = id->data; + + err = panel_simple_probe(&dsi->dev, &desc->desc); + if (err < 0) + return err; + + dsi->mode_flags = desc->flags; + dsi->format = desc->format; + dsi->lanes = desc->lanes; + + return mipi_dsi_attach(dsi); +} + +static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) +{ + int err; + + err = mipi_dsi_detach(dsi); + if (err < 0) + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); + + return panel_simple_remove(&dsi->dev); +} + +static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi) +{ + panel_simple_shutdown(&dsi->dev); +} + +static struct mipi_dsi_driver panel_simple_dsi_driver = { + .driver = { + .name = "panel-simple-dsi", + .of_match_table = dsi_of_match, + }, + .probe = panel_simple_dsi_probe, + .remove = panel_simple_dsi_remove, + .shutdown = panel_simple_dsi_shutdown, +}; + +static int __init panel_simple_init(void) +{ + int err; + + err = platform_driver_register(&panel_simple_platform_driver); + if (err < 0) + return err; + + if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) { + err = mipi_dsi_driver_register(&panel_simple_dsi_driver); + if (err < 0) + return err; + } + + return 0; +} +module_init(panel_simple_init); + +static void __exit panel_simple_exit(void) +{ + if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) + mipi_dsi_driver_unregister(&panel_simple_dsi_driver); + + platform_driver_unregister(&panel_simple_platform_driver); +} +module_exit(panel_simple_exit); + +MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>"); +MODULE_DESCRIPTION("DRM Driver for Simple Panels"); +MODULE_LICENSE("GPL and additional rights"); |