Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Chris Morgan | 3114 | 100.00% | 1 | 100.00% |
Total | 3114 | 1 |
// SPDX-License-Identifier: GPL-2.0 /* * NV3051D MIPI-DSI panel driver for Anbernic RG353x * Copyright (C) 2022 Chris Morgan * * based on * * Elida kd35t133 3.5" MIPI-DSI panel driver * Copyright (C) Theobroma Systems 2020 */ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/media-bus-format.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/regulator/consumer.h> #include <video/display_timing.h> #include <video/mipi_display.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> struct nv3051d_panel_info { const struct drm_display_mode *display_modes; unsigned int num_modes; u16 width_mm, height_mm; u32 bus_flags; }; struct panel_nv3051d { struct device *dev; struct drm_panel panel; struct gpio_desc *reset_gpio; const struct nv3051d_panel_info *panel_info; struct regulator *vdd; }; static inline struct panel_nv3051d *panel_to_panelnv3051d(struct drm_panel *panel) { return container_of(panel, struct panel_nv3051d, panel); } static int panel_nv3051d_init_sequence(struct panel_nv3051d *ctx) { struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); /* * Init sequence was supplied by device vendor with no * documentation. */ mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xE3, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x03, 0x40); mipi_dsi_dcs_write_seq(dsi, 0x04, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x05, 0x03); mipi_dsi_dcs_write_seq(dsi, 0x24, 0x12); mipi_dsi_dcs_write_seq(dsi, 0x25, 0x1E); mipi_dsi_dcs_write_seq(dsi, 0x26, 0x28); mipi_dsi_dcs_write_seq(dsi, 0x27, 0x52); mipi_dsi_dcs_write_seq(dsi, 0x28, 0x57); mipi_dsi_dcs_write_seq(dsi, 0x29, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x2A, 0xDF); mipi_dsi_dcs_write_seq(dsi, 0x38, 0x9C); mipi_dsi_dcs_write_seq(dsi, 0x39, 0xA7); mipi_dsi_dcs_write_seq(dsi, 0x3A, 0x53); mipi_dsi_dcs_write_seq(dsi, 0x44, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x49, 0x3C); mipi_dsi_dcs_write_seq(dsi, 0x59, 0xFE); mipi_dsi_dcs_write_seq(dsi, 0x5C, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x91, 0x77); mipi_dsi_dcs_write_seq(dsi, 0x92, 0x77); mipi_dsi_dcs_write_seq(dsi, 0xA0, 0x55); mipi_dsi_dcs_write_seq(dsi, 0xA1, 0x50); mipi_dsi_dcs_write_seq(dsi, 0xA4, 0x9C); mipi_dsi_dcs_write_seq(dsi, 0xA7, 0x02); mipi_dsi_dcs_write_seq(dsi, 0xA8, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xA9, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xAA, 0xFC); mipi_dsi_dcs_write_seq(dsi, 0xAB, 0x28); mipi_dsi_dcs_write_seq(dsi, 0xAC, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xAD, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xAE, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xAF, 0x03); mipi_dsi_dcs_write_seq(dsi, 0xB0, 0x08); mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x26); mipi_dsi_dcs_write_seq(dsi, 0xB2, 0x28); mipi_dsi_dcs_write_seq(dsi, 0xB3, 0x28); mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x33); mipi_dsi_dcs_write_seq(dsi, 0xB5, 0x08); mipi_dsi_dcs_write_seq(dsi, 0xB6, 0x26); mipi_dsi_dcs_write_seq(dsi, 0xB7, 0x08); mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x26); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x02); mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x0E); mipi_dsi_dcs_write_seq(dsi, 0xD1, 0x0E); mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x29); mipi_dsi_dcs_write_seq(dsi, 0xD4, 0x2B); mipi_dsi_dcs_write_seq(dsi, 0xB2, 0x0C); mipi_dsi_dcs_write_seq(dsi, 0xD2, 0x0A); mipi_dsi_dcs_write_seq(dsi, 0xB3, 0x28); mipi_dsi_dcs_write_seq(dsi, 0xD3, 0x28); mipi_dsi_dcs_write_seq(dsi, 0xB6, 0x11); mipi_dsi_dcs_write_seq(dsi, 0xD6, 0x0D); mipi_dsi_dcs_write_seq(dsi, 0xB7, 0x32); mipi_dsi_dcs_write_seq(dsi, 0xD7, 0x30); mipi_dsi_dcs_write_seq(dsi, 0xC1, 0x04); mipi_dsi_dcs_write_seq(dsi, 0xE1, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x0A); mipi_dsi_dcs_write_seq(dsi, 0xD8, 0x0A); mipi_dsi_dcs_write_seq(dsi, 0xB9, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xD9, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xBD, 0x13); mipi_dsi_dcs_write_seq(dsi, 0xDD, 0x13); mipi_dsi_dcs_write_seq(dsi, 0xBC, 0x11); mipi_dsi_dcs_write_seq(dsi, 0xDC, 0x11); mipi_dsi_dcs_write_seq(dsi, 0xBB, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xDB, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xBA, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xDA, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xBE, 0x18); mipi_dsi_dcs_write_seq(dsi, 0xDE, 0x18); mipi_dsi_dcs_write_seq(dsi, 0xBF, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xDF, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xC0, 0x17); mipi_dsi_dcs_write_seq(dsi, 0xE0, 0x17); mipi_dsi_dcs_write_seq(dsi, 0xB5, 0x3B); mipi_dsi_dcs_write_seq(dsi, 0xD5, 0x3C); mipi_dsi_dcs_write_seq(dsi, 0xB0, 0x0B); mipi_dsi_dcs_write_seq(dsi, 0xD0, 0x0C); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x03); mipi_dsi_dcs_write_seq(dsi, 0x00, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x01, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x02, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x03, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x04, 0x61); mipi_dsi_dcs_write_seq(dsi, 0x05, 0x80); mipi_dsi_dcs_write_seq(dsi, 0x06, 0xC7); mipi_dsi_dcs_write_seq(dsi, 0x07, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x08, 0x82); mipi_dsi_dcs_write_seq(dsi, 0x09, 0x83); mipi_dsi_dcs_write_seq(dsi, 0x30, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x31, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x32, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x33, 0x2A); mipi_dsi_dcs_write_seq(dsi, 0x34, 0x61); mipi_dsi_dcs_write_seq(dsi, 0x35, 0xC5); mipi_dsi_dcs_write_seq(dsi, 0x36, 0x80); mipi_dsi_dcs_write_seq(dsi, 0x37, 0x23); mipi_dsi_dcs_write_seq(dsi, 0x40, 0x82); mipi_dsi_dcs_write_seq(dsi, 0x41, 0x83); mipi_dsi_dcs_write_seq(dsi, 0x42, 0x80); mipi_dsi_dcs_write_seq(dsi, 0x43, 0x81); mipi_dsi_dcs_write_seq(dsi, 0x44, 0x11); mipi_dsi_dcs_write_seq(dsi, 0x45, 0xF2); mipi_dsi_dcs_write_seq(dsi, 0x46, 0xF1); mipi_dsi_dcs_write_seq(dsi, 0x47, 0x11); mipi_dsi_dcs_write_seq(dsi, 0x48, 0xF4); mipi_dsi_dcs_write_seq(dsi, 0x49, 0xF3); mipi_dsi_dcs_write_seq(dsi, 0x50, 0x02); mipi_dsi_dcs_write_seq(dsi, 0x51, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x52, 0x04); mipi_dsi_dcs_write_seq(dsi, 0x53, 0x03); mipi_dsi_dcs_write_seq(dsi, 0x54, 0x11); mipi_dsi_dcs_write_seq(dsi, 0x55, 0xF6); mipi_dsi_dcs_write_seq(dsi, 0x56, 0xF5); mipi_dsi_dcs_write_seq(dsi, 0x57, 0x11); mipi_dsi_dcs_write_seq(dsi, 0x58, 0xF8); mipi_dsi_dcs_write_seq(dsi, 0x59, 0xF7); mipi_dsi_dcs_write_seq(dsi, 0x7E, 0x02); mipi_dsi_dcs_write_seq(dsi, 0x7F, 0x80); mipi_dsi_dcs_write_seq(dsi, 0xE0, 0x5A); mipi_dsi_dcs_write_seq(dsi, 0xB1, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xB4, 0x0E); mipi_dsi_dcs_write_seq(dsi, 0xB5, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xB6, 0x04); mipi_dsi_dcs_write_seq(dsi, 0xB7, 0x07); mipi_dsi_dcs_write_seq(dsi, 0xB8, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xB9, 0x05); mipi_dsi_dcs_write_seq(dsi, 0xBA, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xC7, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xCA, 0x0E); mipi_dsi_dcs_write_seq(dsi, 0xCB, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0xCC, 0x04); mipi_dsi_dcs_write_seq(dsi, 0xCD, 0x07); mipi_dsi_dcs_write_seq(dsi, 0xCE, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xCF, 0x05); mipi_dsi_dcs_write_seq(dsi, 0xD0, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0x81, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0x84, 0x0E); mipi_dsi_dcs_write_seq(dsi, 0x85, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0x86, 0x07); mipi_dsi_dcs_write_seq(dsi, 0x87, 0x04); mipi_dsi_dcs_write_seq(dsi, 0x88, 0x05); mipi_dsi_dcs_write_seq(dsi, 0x89, 0x06); mipi_dsi_dcs_write_seq(dsi, 0x8A, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x97, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0x9A, 0x0E); mipi_dsi_dcs_write_seq(dsi, 0x9B, 0x0F); mipi_dsi_dcs_write_seq(dsi, 0x9C, 0x07); mipi_dsi_dcs_write_seq(dsi, 0x9D, 0x04); mipi_dsi_dcs_write_seq(dsi, 0x9E, 0x05); mipi_dsi_dcs_write_seq(dsi, 0x9F, 0x06); mipi_dsi_dcs_write_seq(dsi, 0xA0, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x02); mipi_dsi_dcs_write_seq(dsi, 0x01, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x02, 0xDA); mipi_dsi_dcs_write_seq(dsi, 0x03, 0xBA); mipi_dsi_dcs_write_seq(dsi, 0x04, 0xA8); mipi_dsi_dcs_write_seq(dsi, 0x05, 0x9A); mipi_dsi_dcs_write_seq(dsi, 0x06, 0x70); mipi_dsi_dcs_write_seq(dsi, 0x07, 0xFF); mipi_dsi_dcs_write_seq(dsi, 0x08, 0x91); mipi_dsi_dcs_write_seq(dsi, 0x09, 0x90); mipi_dsi_dcs_write_seq(dsi, 0x0A, 0xFF); mipi_dsi_dcs_write_seq(dsi, 0x0B, 0x8F); mipi_dsi_dcs_write_seq(dsi, 0x0C, 0x60); mipi_dsi_dcs_write_seq(dsi, 0x0D, 0x58); mipi_dsi_dcs_write_seq(dsi, 0x0E, 0x48); mipi_dsi_dcs_write_seq(dsi, 0x0F, 0x38); mipi_dsi_dcs_write_seq(dsi, 0x10, 0x2B); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x30); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x52); mipi_dsi_dcs_write_seq(dsi, 0xFF, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x36, 0x02); mipi_dsi_dcs_write_seq(dsi, 0x3A, 0x70); dev_dbg(ctx->dev, "Panel init sequence done\n"); return 0; } static int panel_nv3051d_unprepare(struct drm_panel *panel) { struct panel_nv3051d *ctx = panel_to_panelnv3051d(panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; ret = mipi_dsi_dcs_set_display_off(dsi); if (ret < 0) dev_err(ctx->dev, "failed to set display off: %d\n", ret); msleep(20); ret = mipi_dsi_dcs_enter_sleep_mode(dsi); if (ret < 0) { dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret); return ret; } usleep_range(10000, 15000); regulator_disable(ctx->vdd); return 0; } static int panel_nv3051d_prepare(struct drm_panel *panel) { struct panel_nv3051d *ctx = panel_to_panelnv3051d(panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; dev_dbg(ctx->dev, "Resetting the panel\n"); ret = regulator_enable(ctx->vdd); if (ret < 0) { dev_err(ctx->dev, "Failed to enable vdd supply: %d\n", ret); return ret; } usleep_range(2000, 3000); gpiod_set_value_cansleep(ctx->reset_gpio, 1); msleep(150); gpiod_set_value_cansleep(ctx->reset_gpio, 0); msleep(20); ret = panel_nv3051d_init_sequence(ctx); if (ret < 0) { dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); goto disable_vdd; } ret = mipi_dsi_dcs_exit_sleep_mode(dsi); if (ret < 0) { dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret); goto disable_vdd; } msleep(200); ret = mipi_dsi_dcs_set_display_on(dsi); if (ret < 0) { dev_err(ctx->dev, "Failed to set display on: %d\n", ret); goto disable_vdd; } usleep_range(10000, 15000); return 0; disable_vdd: regulator_disable(ctx->vdd); return ret; } static int panel_nv3051d_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct panel_nv3051d *ctx = panel_to_panelnv3051d(panel); const struct nv3051d_panel_info *panel_info = ctx->panel_info; struct drm_display_mode *mode; unsigned int i; for (i = 0; i < panel_info->num_modes; i++) { mode = drm_mode_duplicate(connector->dev, &panel_info->display_modes[i]); if (!mode) return -ENOMEM; drm_mode_set_name(mode); mode->type = DRM_MODE_TYPE_DRIVER; if (panel_info->num_modes == 1) mode->type |= DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, mode); } connector->display_info.bpc = 8; connector->display_info.width_mm = panel_info->width_mm; connector->display_info.height_mm = panel_info->height_mm; connector->display_info.bus_flags = panel_info->bus_flags; return panel_info->num_modes; } static const struct drm_panel_funcs panel_nv3051d_funcs = { .unprepare = panel_nv3051d_unprepare, .prepare = panel_nv3051d_prepare, .get_modes = panel_nv3051d_get_modes, }; static int panel_nv3051d_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct panel_nv3051d *ctx; int ret; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; ctx->dev = dev; ctx->panel_info = of_device_get_match_data(dev); if (!ctx->panel_info) return -EINVAL; ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(ctx->reset_gpio)) { dev_err(dev, "cannot get reset gpio\n"); return PTR_ERR(ctx->reset_gpio); } ctx->vdd = devm_regulator_get(dev, "vdd"); if (IS_ERR(ctx->vdd)) { ret = PTR_ERR(ctx->vdd); if (ret != -EPROBE_DEFER) dev_err(dev, "Failed to request vdd regulator: %d\n", ret); return ret; } 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 | MIPI_DSI_MODE_NO_EOT_PACKET; drm_panel_init(&ctx->panel, &dsi->dev, &panel_nv3051d_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, "mipi_dsi_attach failed: %d\n", ret); drm_panel_remove(&ctx->panel); return ret; } return 0; } static void panel_nv3051d_shutdown(struct mipi_dsi_device *dsi) { struct panel_nv3051d *ctx = mipi_dsi_get_drvdata(dsi); int ret; ret = drm_panel_unprepare(&ctx->panel); if (ret < 0) dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret); ret = drm_panel_disable(&ctx->panel); if (ret < 0) dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret); } static void panel_nv3051d_remove(struct mipi_dsi_device *dsi) { struct panel_nv3051d *ctx = mipi_dsi_get_drvdata(dsi); int ret; panel_nv3051d_shutdown(dsi); ret = mipi_dsi_detach(dsi); if (ret < 0) dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); drm_panel_remove(&ctx->panel); } static const struct drm_display_mode nv3051d_rgxx3_modes[] = { { /* 120hz */ .hdisplay = 640, .hsync_start = 640 + 40, .hsync_end = 640 + 40 + 2, .htotal = 640 + 40 + 2 + 80, .vdisplay = 480, .vsync_start = 480 + 18, .vsync_end = 480 + 18 + 2, .vtotal = 480 + 18 + 2 + 28, .clock = 48300, .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, }, { /* 100hz */ .hdisplay = 640, .hsync_start = 640 + 40, .hsync_end = 640 + 40 + 2, .htotal = 640 + 40 + 2 + 80, .vdisplay = 480, .vsync_start = 480 + 18, .vsync_end = 480 + 18 + 2, .vtotal = 480 + 18 + 2 + 28, .clock = 40250, .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, }, { /* 60hz */ .hdisplay = 640, .hsync_start = 640 + 40, .hsync_end = 640 + 40 + 2, .htotal = 640 + 40 + 2 + 80, .vdisplay = 480, .vsync_start = 480 + 18, .vsync_end = 480 + 18 + 2, .vtotal = 480 + 18 + 2 + 28, .clock = 24150, .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, }, }; static const struct nv3051d_panel_info nv3051d_rgxx3_info = { .display_modes = nv3051d_rgxx3_modes, .num_modes = ARRAY_SIZE(nv3051d_rgxx3_modes), .width_mm = 70, .height_mm = 57, .bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE, }; static const struct of_device_id newvision_nv3051d_of_match[] = { { .compatible = "newvision,nv3051d", .data = &nv3051d_rgxx3_info }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, newvision_nv3051d_of_match); static struct mipi_dsi_driver newvision_nv3051d_driver = { .driver = { .name = "panel-newvision-nv3051d", .of_match_table = newvision_nv3051d_of_match, }, .probe = panel_nv3051d_probe, .remove = panel_nv3051d_remove, .shutdown = panel_nv3051d_shutdown, }; module_mipi_dsi_driver(newvision_nv3051d_driver); MODULE_AUTHOR("Chris Morgan <macromorgan@hotmail.com>"); MODULE_DESCRIPTION("DRM driver for Newvision NV3051D based MIPI DSI panels"); MODULE_LICENSE("GPL");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1