// SPDX-License-Identifier: GPL-2.0-only // Copyright (c) 2024 Collabora #include #include #include #include #include #include #include #include #include #include struct raydium_rm67200_panel_info { struct drm_display_mode mode; const struct regulator_bulk_data *regulators; int num_regulators; void (*panel_setup)(struct mipi_dsi_multi_context *ctx); }; struct raydium_rm67200 { struct drm_panel panel; const struct raydium_rm67200_panel_info *panel_info; struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; struct regulator_bulk_data *supplies; int num_supplies; }; static inline struct raydium_rm67200 *to_raydium_rm67200(struct drm_panel *panel) { return container_of(panel, struct raydium_rm67200, panel); } static void raydium_rm67200_reset(struct raydium_rm67200 *ctx) { gpiod_set_value_cansleep(ctx->reset_gpio, 0); msleep(60); gpiod_set_value_cansleep(ctx->reset_gpio, 1); msleep(60); gpiod_set_value_cansleep(ctx->reset_gpio, 0); msleep(60); } static void raydium_rm67200_write(struct mipi_dsi_multi_context *ctx, u8 arg1, u8 arg2) { u8 d[] = { arg1, arg2 }; mipi_dsi_generic_write_multi(ctx, d, ARRAY_SIZE(d)); } static void w552793baa_setup(struct mipi_dsi_multi_context *ctx) { raydium_rm67200_write(ctx, 0xfe, 0x21); raydium_rm67200_write(ctx, 0x04, 0x00); raydium_rm67200_write(ctx, 0x00, 0x64); raydium_rm67200_write(ctx, 0x2a, 0x00); raydium_rm67200_write(ctx, 0x26, 0x64); raydium_rm67200_write(ctx, 0x54, 0x00); raydium_rm67200_write(ctx, 0x50, 0x64); raydium_rm67200_write(ctx, 0x7b, 0x00); raydium_rm67200_write(ctx, 0x77, 0x64); raydium_rm67200_write(ctx, 0xa2, 0x00); raydium_rm67200_write(ctx, 0x9d, 0x64); raydium_rm67200_write(ctx, 0xc9, 0x00); raydium_rm67200_write(ctx, 0xc5, 0x64); raydium_rm67200_write(ctx, 0x01, 0x71); raydium_rm67200_write(ctx, 0x27, 0x71); raydium_rm67200_write(ctx, 0x51, 0x71); raydium_rm67200_write(ctx, 0x78, 0x71); raydium_rm67200_write(ctx, 0x9e, 0x71); raydium_rm67200_write(ctx, 0xc6, 0x71); raydium_rm67200_write(ctx, 0x02, 0x89); raydium_rm67200_write(ctx, 0x28, 0x89); raydium_rm67200_write(ctx, 0x52, 0x89); raydium_rm67200_write(ctx, 0x79, 0x89); raydium_rm67200_write(ctx, 0x9f, 0x89); raydium_rm67200_write(ctx, 0xc7, 0x89); raydium_rm67200_write(ctx, 0x03, 0x9e); raydium_rm67200_write(ctx, 0x29, 0x9e); raydium_rm67200_write(ctx, 0x53, 0x9e); raydium_rm67200_write(ctx, 0x7a, 0x9e); raydium_rm67200_write(ctx, 0xa0, 0x9e); raydium_rm67200_write(ctx, 0xc8, 0x9e); raydium_rm67200_write(ctx, 0x09, 0x00); raydium_rm67200_write(ctx, 0x05, 0xb0); raydium_rm67200_write(ctx, 0x31, 0x00); raydium_rm67200_write(ctx, 0x2b, 0xb0); raydium_rm67200_write(ctx, 0x5a, 0x00); raydium_rm67200_write(ctx, 0x55, 0xb0); raydium_rm67200_write(ctx, 0x80, 0x00); raydium_rm67200_write(ctx, 0x7c, 0xb0); raydium_rm67200_write(ctx, 0xa7, 0x00); raydium_rm67200_write(ctx, 0xa3, 0xb0); raydium_rm67200_write(ctx, 0xce, 0x00); raydium_rm67200_write(ctx, 0xca, 0xb0); raydium_rm67200_write(ctx, 0x06, 0xc0); raydium_rm67200_write(ctx, 0x2d, 0xc0); raydium_rm67200_write(ctx, 0x56, 0xc0); raydium_rm67200_write(ctx, 0x7d, 0xc0); raydium_rm67200_write(ctx, 0xa4, 0xc0); raydium_rm67200_write(ctx, 0xcb, 0xc0); raydium_rm67200_write(ctx, 0x07, 0xcf); raydium_rm67200_write(ctx, 0x2f, 0xcf); raydium_rm67200_write(ctx, 0x58, 0xcf); raydium_rm67200_write(ctx, 0x7e, 0xcf); raydium_rm67200_write(ctx, 0xa5, 0xcf); raydium_rm67200_write(ctx, 0xcc, 0xcf); raydium_rm67200_write(ctx, 0x08, 0xdd); raydium_rm67200_write(ctx, 0x30, 0xdd); raydium_rm67200_write(ctx, 0x59, 0xdd); raydium_rm67200_write(ctx, 0x7f, 0xdd); raydium_rm67200_write(ctx, 0xa6, 0xdd); raydium_rm67200_write(ctx, 0xcd, 0xdd); raydium_rm67200_write(ctx, 0x0e, 0x15); raydium_rm67200_write(ctx, 0x0a, 0xe9); raydium_rm67200_write(ctx, 0x36, 0x15); raydium_rm67200_write(ctx, 0x32, 0xe9); raydium_rm67200_write(ctx, 0x5f, 0x15); raydium_rm67200_write(ctx, 0x5b, 0xe9); raydium_rm67200_write(ctx, 0x85, 0x15); raydium_rm67200_write(ctx, 0x81, 0xe9); raydium_rm67200_write(ctx, 0xad, 0x15); raydium_rm67200_write(ctx, 0xa9, 0xe9); raydium_rm67200_write(ctx, 0xd3, 0x15); raydium_rm67200_write(ctx, 0xcf, 0xe9); raydium_rm67200_write(ctx, 0x0b, 0x14); raydium_rm67200_write(ctx, 0x33, 0x14); raydium_rm67200_write(ctx, 0x5c, 0x14); raydium_rm67200_write(ctx, 0x82, 0x14); raydium_rm67200_write(ctx, 0xaa, 0x14); raydium_rm67200_write(ctx, 0xd0, 0x14); raydium_rm67200_write(ctx, 0x0c, 0x36); raydium_rm67200_write(ctx, 0x34, 0x36); raydium_rm67200_write(ctx, 0x5d, 0x36); raydium_rm67200_write(ctx, 0x83, 0x36); raydium_rm67200_write(ctx, 0xab, 0x36); raydium_rm67200_write(ctx, 0xd1, 0x36); raydium_rm67200_write(ctx, 0x0d, 0x6b); raydium_rm67200_write(ctx, 0x35, 0x6b); raydium_rm67200_write(ctx, 0x5e, 0x6b); raydium_rm67200_write(ctx, 0x84, 0x6b); raydium_rm67200_write(ctx, 0xac, 0x6b); raydium_rm67200_write(ctx, 0xd2, 0x6b); raydium_rm67200_write(ctx, 0x13, 0x5a); raydium_rm67200_write(ctx, 0x0f, 0x94); raydium_rm67200_write(ctx, 0x3b, 0x5a); raydium_rm67200_write(ctx, 0x37, 0x94); raydium_rm67200_write(ctx, 0x64, 0x5a); raydium_rm67200_write(ctx, 0x60, 0x94); raydium_rm67200_write(ctx, 0x8a, 0x5a); raydium_rm67200_write(ctx, 0x86, 0x94); raydium_rm67200_write(ctx, 0xb2, 0x5a); raydium_rm67200_write(ctx, 0xae, 0x94); raydium_rm67200_write(ctx, 0xd8, 0x5a); raydium_rm67200_write(ctx, 0xd4, 0x94); raydium_rm67200_write(ctx, 0x10, 0xd1); raydium_rm67200_write(ctx, 0x38, 0xd1); raydium_rm67200_write(ctx, 0x61, 0xd1); raydium_rm67200_write(ctx, 0x87, 0xd1); raydium_rm67200_write(ctx, 0xaf, 0xd1); raydium_rm67200_write(ctx, 0xd5, 0xd1); raydium_rm67200_write(ctx, 0x11, 0x04); raydium_rm67200_write(ctx, 0x39, 0x04); raydium_rm67200_write(ctx, 0x62, 0x04); raydium_rm67200_write(ctx, 0x88, 0x04); raydium_rm67200_write(ctx, 0xb0, 0x04); raydium_rm67200_write(ctx, 0xd6, 0x04); raydium_rm67200_write(ctx, 0x12, 0x05); raydium_rm67200_write(ctx, 0x3a, 0x05); raydium_rm67200_write(ctx, 0x63, 0x05); raydium_rm67200_write(ctx, 0x89, 0x05); raydium_rm67200_write(ctx, 0xb1, 0x05); raydium_rm67200_write(ctx, 0xd7, 0x05); raydium_rm67200_write(ctx, 0x18, 0xaa); raydium_rm67200_write(ctx, 0x14, 0x36); raydium_rm67200_write(ctx, 0x42, 0xaa); raydium_rm67200_write(ctx, 0x3d, 0x36); raydium_rm67200_write(ctx, 0x69, 0xaa); raydium_rm67200_write(ctx, 0x65, 0x36); raydium_rm67200_write(ctx, 0x8f, 0xaa); raydium_rm67200_write(ctx, 0x8b, 0x36); raydium_rm67200_write(ctx, 0xb7, 0xaa); raydium_rm67200_write(ctx, 0xb3, 0x36); raydium_rm67200_write(ctx, 0xdd, 0xaa); raydium_rm67200_write(ctx, 0xd9, 0x36); raydium_rm67200_write(ctx, 0x15, 0x74); raydium_rm67200_write(ctx, 0x3f, 0x74); raydium_rm67200_write(ctx, 0x66, 0x74); raydium_rm67200_write(ctx, 0x8c, 0x74); raydium_rm67200_write(ctx, 0xb4, 0x74); raydium_rm67200_write(ctx, 0xda, 0x74); raydium_rm67200_write(ctx, 0x16, 0x9f); raydium_rm67200_write(ctx, 0x40, 0x9f); raydium_rm67200_write(ctx, 0x67, 0x9f); raydium_rm67200_write(ctx, 0x8d, 0x9f); raydium_rm67200_write(ctx, 0xb5, 0x9f); raydium_rm67200_write(ctx, 0xdb, 0x9f); raydium_rm67200_write(ctx, 0x17, 0xdc); raydium_rm67200_write(ctx, 0x41, 0xdc); raydium_rm67200_write(ctx, 0x68, 0xdc); raydium_rm67200_write(ctx, 0x8e, 0xdc); raydium_rm67200_write(ctx, 0xb6, 0xdc); raydium_rm67200_write(ctx, 0xdc, 0xdc); raydium_rm67200_write(ctx, 0x1d, 0xff); raydium_rm67200_write(ctx, 0x19, 0x03); raydium_rm67200_write(ctx, 0x47, 0xff); raydium_rm67200_write(ctx, 0x43, 0x03); raydium_rm67200_write(ctx, 0x6e, 0xff); raydium_rm67200_write(ctx, 0x6a, 0x03); raydium_rm67200_write(ctx, 0x94, 0xff); raydium_rm67200_write(ctx, 0x90, 0x03); raydium_rm67200_write(ctx, 0xbc, 0xff); raydium_rm67200_write(ctx, 0xb8, 0x03); raydium_rm67200_write(ctx, 0xe2, 0xff); raydium_rm67200_write(ctx, 0xde, 0x03); raydium_rm67200_write(ctx, 0x1a, 0x35); raydium_rm67200_write(ctx, 0x44, 0x35); raydium_rm67200_write(ctx, 0x6b, 0x35); raydium_rm67200_write(ctx, 0x91, 0x35); raydium_rm67200_write(ctx, 0xb9, 0x35); raydium_rm67200_write(ctx, 0xdf, 0x35); raydium_rm67200_write(ctx, 0x1b, 0x45); raydium_rm67200_write(ctx, 0x45, 0x45); raydium_rm67200_write(ctx, 0x6c, 0x45); raydium_rm67200_write(ctx, 0x92, 0x45); raydium_rm67200_write(ctx, 0xba, 0x45); raydium_rm67200_write(ctx, 0xe0, 0x45); raydium_rm67200_write(ctx, 0x1c, 0x55); raydium_rm67200_write(ctx, 0x46, 0x55); raydium_rm67200_write(ctx, 0x6d, 0x55); raydium_rm67200_write(ctx, 0x93, 0x55); raydium_rm67200_write(ctx, 0xbb, 0x55); raydium_rm67200_write(ctx, 0xe1, 0x55); raydium_rm67200_write(ctx, 0x22, 0xff); raydium_rm67200_write(ctx, 0x1e, 0x68); raydium_rm67200_write(ctx, 0x4c, 0xff); raydium_rm67200_write(ctx, 0x48, 0x68); raydium_rm67200_write(ctx, 0x73, 0xff); raydium_rm67200_write(ctx, 0x6f, 0x68); raydium_rm67200_write(ctx, 0x99, 0xff); raydium_rm67200_write(ctx, 0x95, 0x68); raydium_rm67200_write(ctx, 0xc1, 0xff); raydium_rm67200_write(ctx, 0xbd, 0x68); raydium_rm67200_write(ctx, 0xe7, 0xff); raydium_rm67200_write(ctx, 0xe3, 0x68); raydium_rm67200_write(ctx, 0x1f, 0x7e); raydium_rm67200_write(ctx, 0x49, 0x7e); raydium_rm67200_write(ctx, 0x70, 0x7e); raydium_rm67200_write(ctx, 0x96, 0x7e); raydium_rm67200_write(ctx, 0xbe, 0x7e); raydium_rm67200_write(ctx, 0xe4, 0x7e); raydium_rm67200_write(ctx, 0x20, 0x97); raydium_rm67200_write(ctx, 0x4a, 0x97); raydium_rm67200_write(ctx, 0x71, 0x97); raydium_rm67200_write(ctx, 0x97, 0x97); raydium_rm67200_write(ctx, 0xbf, 0x97); raydium_rm67200_write(ctx, 0xe5, 0x97); raydium_rm67200_write(ctx, 0x21, 0xb5); raydium_rm67200_write(ctx, 0x4b, 0xb5); raydium_rm67200_write(ctx, 0x72, 0xb5); raydium_rm67200_write(ctx, 0x98, 0xb5); raydium_rm67200_write(ctx, 0xc0, 0xb5); raydium_rm67200_write(ctx, 0xe6, 0xb5); raydium_rm67200_write(ctx, 0x25, 0xf0); raydium_rm67200_write(ctx, 0x23, 0xe8); raydium_rm67200_write(ctx, 0x4f, 0xf0); raydium_rm67200_write(ctx, 0x4d, 0xe8); raydium_rm67200_write(ctx, 0x76, 0xf0); raydium_rm67200_write(ctx, 0x74, 0xe8); raydium_rm67200_write(ctx, 0x9c, 0xf0); raydium_rm67200_write(ctx, 0x9a, 0xe8); raydium_rm67200_write(ctx, 0xc4, 0xf0); raydium_rm67200_write(ctx, 0xc2, 0xe8); raydium_rm67200_write(ctx, 0xea, 0xf0); raydium_rm67200_write(ctx, 0xe8, 0xe8); raydium_rm67200_write(ctx, 0x24, 0xff); raydium_rm67200_write(ctx, 0x4e, 0xff); raydium_rm67200_write(ctx, 0x75, 0xff); raydium_rm67200_write(ctx, 0x9b, 0xff); raydium_rm67200_write(ctx, 0xc3, 0xff); raydium_rm67200_write(ctx, 0xe9, 0xff); raydium_rm67200_write(ctx, 0xfe, 0x3d); raydium_rm67200_write(ctx, 0x00, 0x04); raydium_rm67200_write(ctx, 0xfe, 0x23); raydium_rm67200_write(ctx, 0x08, 0x82); raydium_rm67200_write(ctx, 0x0a, 0x00); raydium_rm67200_write(ctx, 0x0b, 0x00); raydium_rm67200_write(ctx, 0x0c, 0x01); raydium_rm67200_write(ctx, 0x16, 0x00); raydium_rm67200_write(ctx, 0x18, 0x02); raydium_rm67200_write(ctx, 0x1b, 0x04); raydium_rm67200_write(ctx, 0x19, 0x04); raydium_rm67200_write(ctx, 0x1c, 0x81); raydium_rm67200_write(ctx, 0x1f, 0x00); raydium_rm67200_write(ctx, 0x20, 0x03); raydium_rm67200_write(ctx, 0x23, 0x04); raydium_rm67200_write(ctx, 0x21, 0x01); raydium_rm67200_write(ctx, 0x54, 0x63); raydium_rm67200_write(ctx, 0x55, 0x54); raydium_rm67200_write(ctx, 0x6e, 0x45); raydium_rm67200_write(ctx, 0x6d, 0x36); raydium_rm67200_write(ctx, 0xfe, 0x3d); raydium_rm67200_write(ctx, 0x55, 0x78); raydium_rm67200_write(ctx, 0xfe, 0x20); raydium_rm67200_write(ctx, 0x26, 0x30); raydium_rm67200_write(ctx, 0xfe, 0x3d); raydium_rm67200_write(ctx, 0x20, 0x71); raydium_rm67200_write(ctx, 0x50, 0x8f); raydium_rm67200_write(ctx, 0x51, 0x8f); raydium_rm67200_write(ctx, 0xfe, 0x00); raydium_rm67200_write(ctx, 0x35, 0x00); } static int raydium_rm67200_prepare(struct drm_panel *panel) { struct raydium_rm67200 *ctx = to_raydium_rm67200(panel); int ret; ret = regulator_bulk_enable(ctx->num_supplies, ctx->supplies); if (ret < 0) return ret; raydium_rm67200_reset(ctx); msleep(60); return 0; } static int raydium_rm67200_unprepare(struct drm_panel *panel) { struct raydium_rm67200 *ctx = to_raydium_rm67200(panel); gpiod_set_value_cansleep(ctx->reset_gpio, 1); regulator_bulk_disable(ctx->num_supplies, ctx->supplies); msleep(60); return 0; } static int raydium_rm67200_enable(struct drm_panel *panel) { struct raydium_rm67200 *rm67200 = to_raydium_rm67200(panel); struct mipi_dsi_multi_context ctx = { .dsi = rm67200->dsi }; rm67200->panel_info->panel_setup(&ctx); mipi_dsi_dcs_exit_sleep_mode_multi(&ctx); mipi_dsi_msleep(&ctx, 120); mipi_dsi_dcs_set_display_on_multi(&ctx); mipi_dsi_msleep(&ctx, 30); return ctx.accum_err; } static int raydium_rm67200_disable(struct drm_panel *panel) { struct raydium_rm67200 *rm67200 = to_raydium_rm67200(panel); struct mipi_dsi_multi_context ctx = { .dsi = rm67200->dsi }; mipi_dsi_dcs_set_display_off_multi(&ctx); mipi_dsi_dcs_enter_sleep_mode_multi(&ctx); mipi_dsi_msleep(&ctx, 60); return ctx.accum_err; } static int raydium_rm67200_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct raydium_rm67200 *ctx = to_raydium_rm67200(panel); return drm_connector_helper_get_modes_fixed(connector, &ctx->panel_info->mode); } static const struct drm_panel_funcs raydium_rm67200_funcs = { .prepare = raydium_rm67200_prepare, .unprepare = raydium_rm67200_unprepare, .get_modes = raydium_rm67200_get_modes, .enable = raydium_rm67200_enable, .disable = raydium_rm67200_disable, }; static int raydium_rm67200_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct raydium_rm67200 *ctx; int ret = 0; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; ctx->panel_info = device_get_match_data(dev); if (!ctx->panel_info) return -EINVAL; ctx->num_supplies = ctx->panel_info->num_regulators; ret = devm_regulator_bulk_get_const(&dsi->dev, ctx->panel_info->num_regulators, ctx->panel_info->regulators, &ctx->supplies); if (ret < 0) return ret; ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 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_MODE_LPM; ctx->panel.prepare_prev_first = true; drm_panel_init(&ctx->panel, dev, &raydium_rm67200_funcs, DRM_MODE_CONNECTOR_DSI); ret = drm_panel_of_backlight(&ctx->panel); if (ret) return ret; drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) { dev_err(dev, "Failed to attach to DSI host: %d\n", ret); drm_panel_remove(&ctx->panel); } return ret; } static void raydium_rm67200_remove(struct mipi_dsi_device *dsi) { struct raydium_rm67200 *ctx = mipi_dsi_get_drvdata(dsi); int ret; ret = mipi_dsi_detach(dsi); if (ret < 0) dev_err(&dsi->dev, "Failed to detach DSI host: %d\n", ret); drm_panel_remove(&ctx->panel); } static const struct regulator_bulk_data w552793baa_regulators[] = { { .supply = "vdd", }, /* 2.8V */ { .supply = "iovcc", }, /* 1.8V */ { .supply = "vsp", }, /* +5.5V */ { .supply = "vsn", }, /* -5.5V */ }; static const struct raydium_rm67200_panel_info w552793baa_info = { .mode = { .clock = 132000, .hdisplay = 1080, .hsync_start = 1095, .hsync_end = 1125, .htotal = 1129, .vdisplay = 1920, .vsync_start = 1935, .vsync_end = 1950, .vtotal = 1952, .width_mm = 68, /* 68.04mm */ .height_mm = 121, /* 120.96mm */ .type = DRM_MODE_TYPE_DRIVER, }, .regulators = w552793baa_regulators, .num_regulators = ARRAY_SIZE(w552793baa_regulators), .panel_setup = w552793baa_setup, }; static const struct of_device_id raydium_rm67200_of_match[] = { { .compatible = "wanchanglong,w552793baa", .data = &w552793baa_info }, { /*sentinel*/ } }; MODULE_DEVICE_TABLE(of, raydium_rm67200_of_match); static struct mipi_dsi_driver raydium_rm67200_driver = { .probe = raydium_rm67200_probe, .remove = raydium_rm67200_remove, .driver = { .name = "panel-raydium-rm67200", .of_match_table = raydium_rm67200_of_match, }, }; module_mipi_dsi_driver(raydium_rm67200_driver); MODULE_AUTHOR("Sebastian Reichel "); MODULE_DESCRIPTION("DRM driver for RM67200-equipped DSI panels"); MODULE_LICENSE("GPL");