Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Neil Armstrong | 2028 | 99.51% | 2 | 50.00% |
Jessica Zhang | 8 | 0.39% | 1 | 25.00% |
Richard Acayan | 2 | 0.10% | 1 | 25.00% |
Total | 2038 | 4 |
// SPDX-License-Identifier: GPL-2.0-only // Copyright (c) 2023, Linaro Limited #include <linux/backlight.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/regulator/consumer.h> #include <linux/module.h> #include <linux/of.h> #include <drm/display/drm_dsc.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> #include <video/mipi_display.h> struct visionox_vtdr6130 { struct drm_panel panel; struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[3]; }; static inline struct visionox_vtdr6130 *to_visionox_vtdr6130(struct drm_panel *panel) { return container_of(panel, struct visionox_vtdr6130, panel); } static void visionox_vtdr6130_reset(struct visionox_vtdr6130 *ctx) { gpiod_set_value_cansleep(ctx->reset_gpio, 0); usleep_range(10000, 11000); gpiod_set_value_cansleep(ctx->reset_gpio, 1); usleep_range(10000, 11000); gpiod_set_value_cansleep(ctx->reset_gpio, 0); usleep_range(10000, 11000); } static int visionox_vtdr6130_on(struct visionox_vtdr6130 *ctx) { struct mipi_dsi_device *dsi = ctx->dsi; struct device *dev = &dsi->dev; int ret; dsi->mode_flags |= MIPI_DSI_MODE_LPM; ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); if (ret) return ret; mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20); mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x59, 0x09); mipi_dsi_dcs_write_seq(dsi, 0x6c, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x6d, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x6f, 0x01); mipi_dsi_dcs_write_seq(dsi, 0x70, 0x12, 0x00, 0x00, 0xab, 0x30, 0x80, 0x09, 0x60, 0x04, 0x38, 0x00, 0x28, 0x02, 0x1c, 0x02, 0x1c, 0x02, 0x00, 0x02, 0x0e, 0x00, 0x20, 0x03, 0xdd, 0x00, 0x07, 0x00, 0x0c, 0x02, 0x77, 0x02, 0x8b, 0x18, 0x00, 0x10, 0xf0, 0x07, 0x10, 0x20, 0x00, 0x06, 0x0f, 0x0f, 0x33, 0x0e, 0x1c, 0x2a, 0x38, 0x46, 0x54, 0x62, 0x69, 0x70, 0x77, 0x79, 0x7b, 0x7d, 0x7e, 0x02, 0x02, 0x22, 0x00, 0x2a, 0x40, 0x2a, 0xbe, 0x3a, 0xfc, 0x3a, 0xfa, 0x3a, 0xf8, 0x3b, 0x38, 0x3b, 0x78, 0x3b, 0xb6, 0x4b, 0xb6, 0x4b, 0xf4, 0x4b, 0xf4, 0x6c, 0x34, 0x84, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xf0, 0xaa, 0x10); mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x01, 0x38, 0x00, 0x14, 0x00, 0x1c, 0x00, 0x01, 0x66, 0x00, 0x14, 0x00, 0x14, 0x00, 0x01, 0x66, 0x00, 0x14, 0x05, 0xcc, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xf0, 0xaa, 0x13); mipi_dsi_dcs_write_seq(dsi, 0xce, 0x09, 0x11, 0x09, 0x11, 0x08, 0xc1, 0x07, 0xfa, 0x05, 0xa4, 0x00, 0x3c, 0x00, 0x34, 0x00, 0x24, 0x00, 0x0c, 0x00, 0x0c, 0x04, 0x00, 0x35); mipi_dsi_dcs_write_seq(dsi, 0xf0, 0xaa, 0x14); mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x03, 0x33); mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x33, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x06, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0x00, 0x08, 0x09, 0x09, 0x09); mipi_dsi_dcs_write_seq(dsi, 0xbc, 0x10, 0x00, 0x00, 0x06, 0x11, 0x09, 0x3b, 0x09, 0x47, 0x09, 0x47, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xbe, 0x10, 0x10, 0x00, 0x08, 0x22, 0x09, 0x19, 0x09, 0x25, 0x09, 0x25, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xff, 0x5a, 0x80); mipi_dsi_dcs_write_seq(dsi, 0x65, 0x14); mipi_dsi_dcs_write_seq(dsi, 0xfa, 0x08, 0x08, 0x08); mipi_dsi_dcs_write_seq(dsi, 0xff, 0x5a, 0x81); mipi_dsi_dcs_write_seq(dsi, 0x65, 0x05); mipi_dsi_dcs_write_seq(dsi, 0xf3, 0x0f); mipi_dsi_dcs_write_seq(dsi, 0xf0, 0xaa, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xff, 0x5a, 0x82); mipi_dsi_dcs_write_seq(dsi, 0xf9, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xff, 0x51, 0x83); mipi_dsi_dcs_write_seq(dsi, 0x65, 0x04); mipi_dsi_dcs_write_seq(dsi, 0xf8, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xff, 0x5a, 0x00); mipi_dsi_dcs_write_seq(dsi, 0x65, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xf4, 0x9a); mipi_dsi_dcs_write_seq(dsi, 0xff, 0x5a, 0x00); ret = mipi_dsi_dcs_exit_sleep_mode(dsi); if (ret < 0) { dev_err(dev, "Failed to exit sleep mode: %d\n", ret); return ret; } msleep(120); ret = mipi_dsi_dcs_set_display_on(dsi); if (ret < 0) { dev_err(dev, "Failed to set display on: %d\n", ret); return ret; } msleep(20); return 0; } static int visionox_vtdr6130_off(struct visionox_vtdr6130 *ctx) { struct mipi_dsi_device *dsi = ctx->dsi; struct device *dev = &dsi->dev; int ret; dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; ret = mipi_dsi_dcs_set_display_off(dsi); if (ret < 0) { dev_err(dev, "Failed to set display off: %d\n", ret); return ret; } msleep(20); ret = mipi_dsi_dcs_enter_sleep_mode(dsi); if (ret < 0) { dev_err(dev, "Failed to enter sleep mode: %d\n", ret); return ret; } msleep(120); return 0; } static int visionox_vtdr6130_prepare(struct drm_panel *panel) { struct visionox_vtdr6130 *ctx = to_visionox_vtdr6130(panel); struct device *dev = &ctx->dsi->dev; int ret; ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) return ret; visionox_vtdr6130_reset(ctx); ret = visionox_vtdr6130_on(ctx); if (ret < 0) { dev_err(dev, "Failed to initialize panel: %d\n", ret); gpiod_set_value_cansleep(ctx->reset_gpio, 1); regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); return ret; } return 0; } static int visionox_vtdr6130_unprepare(struct drm_panel *panel) { struct visionox_vtdr6130 *ctx = to_visionox_vtdr6130(panel); struct device *dev = &ctx->dsi->dev; int ret; ret = visionox_vtdr6130_off(ctx); if (ret < 0) dev_err(dev, "Failed to un-initialize panel: %d\n", ret); gpiod_set_value_cansleep(ctx->reset_gpio, 1); regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); return 0; } static const struct drm_display_mode visionox_vtdr6130_mode = { .clock = (1080 + 20 + 2 + 20) * (2400 + 20 + 2 + 18) * 144 / 1000, .hdisplay = 1080, .hsync_start = 1080 + 20, .hsync_end = 1080 + 20 + 2, .htotal = 1080 + 20 + 2 + 20, .vdisplay = 2400, .vsync_start = 2400 + 20, .vsync_end = 2400 + 20 + 2, .vtotal = 2400 + 20 + 2 + 18, .width_mm = 71, .height_mm = 157, }; static int visionox_vtdr6130_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct drm_display_mode *mode; mode = drm_mode_duplicate(connector->dev, &visionox_vtdr6130_mode); if (!mode) return -ENOMEM; drm_mode_set_name(mode); mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; drm_mode_probed_add(connector, mode); return 1; } static const struct drm_panel_funcs visionox_vtdr6130_panel_funcs = { .prepare = visionox_vtdr6130_prepare, .unprepare = visionox_vtdr6130_unprepare, .get_modes = visionox_vtdr6130_get_modes, }; static int visionox_vtdr6130_bl_update_status(struct backlight_device *bl) { struct mipi_dsi_device *dsi = bl_get_data(bl); u16 brightness = backlight_get_brightness(bl); return mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); } static const struct backlight_ops visionox_vtdr6130_bl_ops = { .update_status = visionox_vtdr6130_bl_update_status, }; static struct backlight_device * visionox_vtdr6130_create_backlight(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; const struct backlight_properties props = { .type = BACKLIGHT_RAW, .brightness = 4095, .max_brightness = 4095, }; return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, &visionox_vtdr6130_bl_ops, &props); } static int visionox_vtdr6130_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct visionox_vtdr6130 *ctx; int ret; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; ctx->supplies[0].supply = "vddio"; ctx->supplies[1].supply = "vci"; ctx->supplies[2].supply = "vdd"; ret = devm_regulator_bulk_get(&dsi->dev, ARRAY_SIZE(ctx->supplies), 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_NO_EOT_PACKET | MIPI_DSI_CLOCK_NON_CONTINUOUS; ctx->panel.prepare_prev_first = true; drm_panel_init(&ctx->panel, dev, &visionox_vtdr6130_panel_funcs, DRM_MODE_CONNECTOR_DSI); ctx->panel.backlight = visionox_vtdr6130_create_backlight(dsi); if (IS_ERR(ctx->panel.backlight)) return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight), "Failed to create backlight\n"); drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi); if (ret < 0) { dev_err(dev, "Failed to attach to DSI host: %d\n", ret); drm_panel_remove(&ctx->panel); return ret; } return 0; } static void visionox_vtdr6130_remove(struct mipi_dsi_device *dsi) { struct visionox_vtdr6130 *ctx = mipi_dsi_get_drvdata(dsi); int ret; ret = mipi_dsi_detach(dsi); if (ret < 0) dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); drm_panel_remove(&ctx->panel); } static const struct of_device_id visionox_vtdr6130_of_match[] = { { .compatible = "visionox,vtdr6130" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, visionox_vtdr6130_of_match); static struct mipi_dsi_driver visionox_vtdr6130_driver = { .probe = visionox_vtdr6130_probe, .remove = visionox_vtdr6130_remove, .driver = { .name = "panel-visionox-vtdr6130", .of_match_table = visionox_vtdr6130_of_match, }, }; module_mipi_dsi_driver(visionox_vtdr6130_driver); MODULE_AUTHOR("Neil Armstrong <neil.armstrong@linaro.org>"); MODULE_DESCRIPTION("Panel driver for the Visionox VTDR6130 AMOLED DSI panel"); 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