Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jessica Zhang | 2221 | 100.00% | 2 | 100.00% |
Total | 2221 | 2 |
//SPDX-License-Identifier: GPL-2.0-only //Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. #include <linux/backlight.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of.h> #include <linux/regulator/consumer.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_probe_helper.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> #include <drm/display/drm_dsc.h> #include <drm/display/drm_dsc_helper.h> #include <video/mipi_display.h> struct visionox_r66451 { struct drm_panel panel; struct mipi_dsi_device *dsi; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[2]; }; static inline struct visionox_r66451 *to_visionox_r66451(struct drm_panel *panel) { return container_of(panel, struct visionox_r66451, panel); } static void visionox_r66451_reset(struct visionox_r66451 *ctx) { gpiod_set_value_cansleep(ctx->reset_gpio, 0); usleep_range(10000, 10100); gpiod_set_value_cansleep(ctx->reset_gpio, 1); usleep_range(10000, 10100); gpiod_set_value_cansleep(ctx->reset_gpio, 0); usleep_range(10000, 10100); } static int visionox_r66451_on(struct visionox_r66451 *ctx) { struct mipi_dsi_device *dsi = ctx->dsi; dsi->mode_flags |= MIPI_DSI_MODE_LPM; mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xc2, 0x09, 0x24, 0x0c, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x09, 0x3c); mipi_dsi_dcs_write_seq(dsi, 0xd7, 0x00, 0xb9, 0x3c, 0x00, 0x40, 0x04, 0x00, 0xa0, 0x0a, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0x3c, 0x00, 0x40, 0x04, 0x00, 0xa0, 0x0a); mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x80); mipi_dsi_dcs_write_seq(dsi, 0xde, 0x40, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18, 0x10, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18, 0x02, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x04); mipi_dsi_dcs_write_seq(dsi, 0xe8, 0x00, 0x02); mipi_dsi_dcs_write_seq(dsi, 0xe4, 0x00, 0x08); mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xc4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x32); mipi_dsi_dcs_write_seq(dsi, 0xcf, 0x64, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x0b, 0x77, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03); mipi_dsi_dcs_write_seq(dsi, 0xd3, 0x45, 0x00, 0x00, 0x01, 0x13, 0x15, 0x00, 0x15, 0x07, 0x0f, 0x77, 0x77, 0x77, 0x37, 0xb2, 0x11, 0x00, 0xa0, 0x3c, 0x9c); mipi_dsi_dcs_write_seq(dsi, 0xd7, 0x00, 0xb9, 0x34, 0x00, 0x40, 0x04, 0x00, 0xa0, 0x0a, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0x34, 0x00, 0x40, 0x04, 0x00, 0xa0, 0x0a); mipi_dsi_dcs_write_seq(dsi, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3a, 0x00, 0x3a, 0x00, 0x3a, 0x00, 0x3a, 0x00, 0x3a, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x32, 0x00, 0x0a, 0x00, 0x22); mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x50, 0x42, 0x58, 0x81, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0f, 0xff, 0xd4, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x53, 0xf1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xf7, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x80); mipi_dsi_dcs_write_seq(dsi, 0xe4, 0x34, 0xb4, 0x00, 0x00, 0x00, 0x39, 0x04, 0x09, 0x34); mipi_dsi_dcs_write_seq(dsi, 0xe6, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x04); mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x50, 0x40); mipi_dsi_dcs_write_seq(dsi, 0xf3, 0x50, 0x00, 0x00, 0x00, 0x00); mipi_dsi_dcs_write_seq(dsi, 0xf2, 0x11); mipi_dsi_dcs_write_seq(dsi, 0xf3, 0x01, 0x00, 0x00, 0x00, 0x01); mipi_dsi_dcs_write_seq(dsi, 0xf4, 0x00, 0x02); mipi_dsi_dcs_write_seq(dsi, 0xf2, 0x19); mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x50, 0x42); mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); mipi_dsi_dcs_set_column_address(dsi, 0, 1080 - 1); mipi_dsi_dcs_set_page_address(dsi, 0, 2340 - 1); dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; return 0; } static int visionox_r66451_off(struct visionox_r66451 *ctx) { ctx->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; return 0; } static int visionox_r66451_prepare(struct drm_panel *panel) { struct visionox_r66451 *ctx = to_visionox_r66451(panel); struct mipi_dsi_device *dsi = ctx->dsi; struct device *dev = &dsi->dev; int ret; ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); if (ret < 0) return ret; visionox_r66451_reset(ctx); ret = visionox_r66451_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; } mipi_dsi_compression_mode(ctx->dsi, true); return 0; } static int visionox_r66451_unprepare(struct drm_panel *panel) { struct visionox_r66451 *ctx = to_visionox_r66451(panel); struct device *dev = &ctx->dsi->dev; int ret; ret = visionox_r66451_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_r66451_mode = { .clock = 345830, .hdisplay = 1080, .hsync_start = 1175, .hsync_end = 1176, .htotal = 1216, .vdisplay = 2340, .vsync_start = 2365, .vsync_end = 2366, .vtotal = 2370, .width_mm = 0, .height_mm = 0, .type = DRM_MODE_TYPE_DRIVER, }; static int visionox_r66451_enable(struct drm_panel *panel) { struct visionox_r66451 *ctx = to_visionox_r66451(panel); struct mipi_dsi_device *dsi = ctx->dsi; struct drm_dsc_picture_parameter_set pps; int ret; if (!dsi->dsc) { dev_err(&dsi->dev, "DSC not attached to DSI\n"); return -ENODEV; } drm_dsc_pps_payload_pack(&pps, dsi->dsc); ret = mipi_dsi_picture_parameter_set(dsi, &pps); if (ret) { dev_err(&dsi->dev, "Failed to set PPS\n"); return ret; } ret = mipi_dsi_dcs_exit_sleep_mode(dsi); if (ret < 0) { dev_err(&dsi->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(&dsi->dev, "Failed on set display on: %d\n", ret); return ret; } msleep(20); return 0; } static int visionox_r66451_disable(struct drm_panel *panel) { struct visionox_r66451 *ctx = to_visionox_r66451(panel); struct mipi_dsi_device *dsi = ctx->dsi; struct device *dev = &dsi->dev; int ret; ret = mipi_dsi_dcs_set_display_off(dsi); if (ret < 0) { dev_err(dev, "Failed to set display off: %d\n", ret); return ret; } msleep(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_r66451_get_modes(struct drm_panel *panel, struct drm_connector *connector) { drm_connector_helper_get_modes_fixed(connector, &visionox_r66451_mode); return 1; } static const struct drm_panel_funcs visionox_r66451_funcs = { .prepare = visionox_r66451_prepare, .unprepare = visionox_r66451_unprepare, .get_modes = visionox_r66451_get_modes, .enable = visionox_r66451_enable, .disable = visionox_r66451_disable, }; static int visionox_r66451_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(dsi, brightness); } static const struct backlight_ops visionox_r66451_bl_ops = { .update_status = visionox_r66451_bl_update_status, }; static struct backlight_device * visionox_r66451_create_backlight(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; const struct backlight_properties props = { .type = BACKLIGHT_RAW, .brightness = 255, .max_brightness = 4095, }; return devm_backlight_device_register(dev, dev_name(dev), dev, dsi, &visionox_r66451_bl_ops, &props); } static int visionox_r66451_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct visionox_r66451 *ctx; struct drm_dsc_config *dsc; int ret = 0; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; dsc = devm_kzalloc(dev, sizeof(*dsc), GFP_KERNEL); if (!dsc) return -ENOMEM; /* Set DSC params */ dsc->dsc_version_major = 0x1; dsc->dsc_version_minor = 0x2; dsc->slice_height = 20; dsc->slice_width = 540; dsc->slice_count = 2; dsc->bits_per_component = 8; dsc->bits_per_pixel = 8 << 4; dsc->block_pred_enable = true; dsi->dsc = dsc; ctx->supplies[0].supply = "vddio"; ctx->supplies[1].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_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS; ctx->panel.prepare_prev_first = true; drm_panel_init(&ctx->panel, dev, &visionox_r66451_funcs, DRM_MODE_CONNECTOR_DSI); ctx->panel.backlight = visionox_r66451_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; } static void visionox_r66451_remove(struct mipi_dsi_device *dsi) { struct visionox_r66451 *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 of_device_id visionox_r66451_of_match[] = { {.compatible = "visionox,r66451"}, { /*sentinel*/ } }; MODULE_DEVICE_TABLE(of, visionox_r66451_of_match); static struct mipi_dsi_driver visionox_r66451_driver = { .probe = visionox_r66451_probe, .remove = visionox_r66451_remove, .driver = { .name = "panel-visionox-r66451", .of_match_table = visionox_r66451_of_match, }, }; module_mipi_dsi_driver(visionox_r66451_driver); MODULE_AUTHOR("Jessica Zhang <quic_jesszhan@quicinc.com>"); MODULE_DESCRIPTION("Panel driver for the Visionox R66451 AMOLED DSI panel"); MODULE_LICENSE("GPL");
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