diff --git a/device/downstream/linux-clockworkpi-uconsole-rpi/0001-drm-panel-add-clockwork-cwu50.patch b/device/downstream/linux-clockworkpi-uconsole-rpi/0001-drm-panel-add-clockwork-cwu50.patch new file mode 100644 index 000000000..b6ed4fa1f --- /dev/null +++ b/device/downstream/linux-clockworkpi-uconsole-rpi/0001-drm-panel-add-clockwork-cwu50.patch @@ -0,0 +1,1832 @@ +From e3c63efd4637a9f00d21d45514442a9f5ece0f40 Mon Sep 17 00:00:00 2001 +From: ayakael +Date: Sun, 8 Feb 2026 09:35:35 -0500 +Subject: [PATCH 1/5] drm: panel: add clockwork cwu50 + +--- + drivers/gpu/drm/panel/Kconfig | 33 + + drivers/gpu/drm/panel/Makefile | 3 + + drivers/gpu/drm/panel/panel-cwd686.c | 296 +++++++++ + drivers/gpu/drm/panel/panel-cwu50-cm3.c | 598 +++++++++++++++++ + drivers/gpu/drm/panel/panel-cwu50.c | 846 ++++++++++++++++++++++++ + 5 files changed, 1776 insertions(+) + create mode 100644 drivers/gpu/drm/panel/panel-cwd686.c + create mode 100644 drivers/gpu/drm/panel/panel-cwu50-cm3.c + create mode 100644 drivers/gpu/drm/panel/panel-cwu50.c + +diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig +index 928b9f1bf7d5..1a750ba2af1e 100644 +--- a/drivers/gpu/drm/panel/Kconfig ++++ b/drivers/gpu/drm/panel/Kconfig +@@ -96,6 +96,39 @@ config DRM_PANEL_BOE_TV101WUM_LL2 + Say Y here if you want to support for BOE TV101WUM-LL2 + WUXGA PANEL DSI Video Mode panel + ++config DRM_PANEL_CWD686 ++ tristate "CWD686 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 CWD686 panel. ++ The panel has a 480x1280 resolution and uses 24 bit RGB per pixel. ++ To compile this driver as a module, choose M here: the module ++ will be called panel-cwd686. ++ ++config DRM_PANEL_CWU50 ++ tristate "CWU50 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 CWU50 panel. ++ The panel has a 720x1280 resolution and uses 24 bit RGB per pixel. ++ To compile this driver as a module, choose M here: the module ++ will be called panel-cwu50. ++ ++config DRM_PANEL_CWU50_CM3 ++ tristate "CWU50_CM3 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 CWU50_CM3 panel. ++ The panel has a 720x1280 resolution and uses 24 bit RGB per pixel. ++ To compile this driver as a module, choose M here: the module ++ will be called panel-cwu50-cm3. ++ + config DRM_PANEL_EBBG_FT8719 + tristate "EBBG FT8719 panel driver" + depends on OF +diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile +index c13a08111d0c..7b89f14c5785 100644 +--- a/drivers/gpu/drm/panel/Makefile ++++ b/drivers/gpu/drm/panel/Makefile +@@ -104,3 +104,6 @@ obj-$(CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN) += panel-waveshare-dsi.o + obj-$(CONFIG_DRM_PANEL_WAVESHARE_TOUCHSCREEN_V2) += panel-waveshare-dsi-v2.o + obj-$(CONFIG_DRM_PANEL_WIDECHIPS_WS2401) += panel-widechips-ws2401.o + obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o ++obj-$(CONFIG_DRM_PANEL_CWD686) += panel-cwd686.o ++obj-$(CONFIG_DRM_PANEL_CWU50) += panel-cwu50.o ++obj-$(CONFIG_DRM_PANEL_CWU50) += panel-cwu50-cm3.o +diff --git a/drivers/gpu/drm/panel/panel-cwd686.c b/drivers/gpu/drm/panel/panel-cwd686.c +new file mode 100644 +index 000000000000..e429e8ddf969 +--- /dev/null ++++ b/drivers/gpu/drm/panel/panel-cwd686.c +@@ -0,0 +1,296 @@ ++// SPDX-License-Identifier: GPL-2.0+ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++struct cwd686 { ++ struct device *dev; ++ struct drm_panel panel; ++ struct regulator *supply; ++ struct gpio_desc *reset_gpio; ++ struct backlight_device *backlight; ++ bool prepared; ++ bool enabled; ++ enum drm_panel_orientation orientation; ++}; ++ ++static const struct drm_display_mode default_mode = { ++ .clock = 54465, ++ .hdisplay = 480, ++ .hsync_start = 480 + 150, ++ .hsync_end = 480 + 150 + 24, ++ .htotal = 480 + 150 + 24 + 40, ++ .vdisplay = 1280, ++ .vsync_start = 1280 + 12, ++ .vsync_end = 1280 + 12+ 6, ++ .vtotal = 1280 + 12 + 6 + 10, ++}; ++ ++static inline struct cwd686 *panel_to_cwd686(struct drm_panel *panel) ++{ ++ return container_of(panel, struct cwd686, panel); ++} ++ ++#define dcs_write_seq(seq...) \ ++({ \ ++ static const u8 d[] = { seq }; \ ++ mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \ ++}) ++ ++static void cwd686_init_sequence(struct cwd686 *ctx) ++{ ++ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); ++ ++ dcs_write_seq(0xF0,0x5A,0x59); ++ dcs_write_seq(0xF1,0xA5,0xA6); ++ dcs_write_seq(0xB0,0x54,0x32,0x23,0x45,0x44,0x44,0x44,0x44,0x9F,0x00,0x01,0x9F,0x00,0x01); ++ dcs_write_seq(0xB1,0x32,0x84,0x02,0x83,0x29,0x06,0x06,0x72,0x06,0x06); ++ dcs_write_seq(0xB2,0x73); ++ dcs_write_seq(0xB3,0x0B,0x09,0x13,0x11,0x0F,0x0D,0x00,0x00,0x00,0x03,0x00,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x05,0x07); ++ dcs_write_seq(0xB4,0x0A,0x08,0x12,0x10,0x0E,0x0C,0x00,0x00,0x00,0x03,0x00,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x04,0x06); ++ dcs_write_seq(0xB6,0x13,0x13); ++ dcs_write_seq(0xB8,0xB4,0x43,0x02,0xCC); ++ dcs_write_seq(0xB9,0xA5,0x20,0xFF,0xC8); ++ dcs_write_seq(0xBA,0x88,0x23); ++ dcs_write_seq(0xBD,0x43,0x0E,0x0E,0x50,0x50,0x29,0x10,0x03,0x44,0x03); ++ dcs_write_seq(0xC1,0x00,0x0C,0x16,0x04,0x00,0x30,0x10,0x04); ++ dcs_write_seq(0xC2,0x21,0x81); ++ dcs_write_seq(0xC3,0x02,0x30); ++ dcs_write_seq(0xC7,0x25,0x6A); ++ dcs_write_seq(0xC8,0x7C,0x68,0x59,0x4E,0x4B,0x3C,0x41,0x2B,0x44,0x43,0x43,0x60,0x4E,0x55,0x47,0x44,0x38,0x27,0x06,0x7C,0x68,0x59,0x4E,0x4B,0x3C,0x41,0x2B,0x44,0x43,0x43,0x60,0x4E,0x55,0x47,0x44,0x38,0x27,0x06);//GAMMA2.2 ++ //dcs_write_seq(0xC8,0x7C,0x66,0x56,0x4A,0x46,0x37,0x3B,0x24,0x3D,0x3C,0x3A,0x56,0x42,0x48,0x39,0x38,0x2C,0x17,0x06,0x7C,0x66,0x56,0x4A,0x46,0x37,0x3B,0x24,0x3D,0x3C,0x3A,0x56,0x42,0x48,0x39,0x38,0x2C,0x17,0x06);//GAMMA2.5 ++ //dcs_write_seq(0xC8,0x7C,0x69,0x5B,0x50,0x4E,0x40,0x46,0x31,0x4A,0x49,0x49,0x67,0x56,0x5E,0x51,0x4E,0x41,0x2F,0x06,0x7C,0x69,0x5B,0x50,0x4E,0x40,0x46,0x31,0x4A,0x49,0x49,0x67,0x56,0x5E,0x51,0x4E,0x41,0x2F,0x06);//GAMMA2.0 ++ //dcs_write_seq(0xC8,0x7C,0x6D,0x60,0x56,0x54,0x47,0x4c,0x37,0x50,0x4e,0x4e,0x6d,0x5c,0x66,0x59,0x56,0x4A,0x36,0x06,0x7C,0x6D,0x60,0x56,0x54,0x47,0x4c,0x37,0x50,0x4e,0x4e,0x6d,0x5c,0x66,0x59,0x56,0x4A,0x36,0x06);//GAMMA1.8 ++ //dcs_write_seq(0xC8,0x7C,0x6e,0x62,0x59,0x58,0x4b,0x52,0x3d,0x57,0x56,0x56,0x75,0x66,0x71,0x66,0x64,0x55,0x44,0x06,0x7C,0x6e,0x62,0x59,0x58,0x4b,0x52,0x3d,0x57,0x56,0x56,0x75,0x66,0x71,0x66,0x64,0x55,0x44,0x06);//GAMMA1.6 ++ dcs_write_seq(0xD4,0x00,0x00,0x00,0x32,0x04,0x51); ++ dcs_write_seq(0xF1,0x5A,0x59); ++ dcs_write_seq(0xF0,0xA5,0xA6); ++ dcs_write_seq(0x36,0x14); ++ dcs_write_seq(0x35,0x00); ++ dcs_write_seq(0x11); ++ msleep(120); ++ dcs_write_seq(0x29); ++ msleep(20); ++} ++ ++static int cwd686_disable(struct drm_panel *panel) ++{ ++ struct cwd686 *ctx = panel_to_cwd686(panel); ++ ++ if (!ctx->enabled) ++ return 0; ++ ++ backlight_disable(ctx->backlight); ++ ++ ctx->enabled = false; ++ ++ return 0; ++} ++ ++static int cwd686_unprepare(struct drm_panel *panel) ++{ ++#if 0 ++ struct cwd686 *ctx = panel_to_cwd686(panel); ++ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); ++ int ret; ++ ++ if (!ctx->prepared) ++ return 0; ++ ++ ret = mipi_dsi_dcs_set_display_off(dsi); ++ if (ret) { ++ dev_err(ctx->dev, "failed to turn display off (%d)\n", ret); ++ return ret; ++ } ++ ++ ret = mipi_dsi_dcs_enter_sleep_mode(dsi); ++ if (ret) { ++ dev_err(ctx->dev, "failed to enter sleep mode (%d)\n", ret); ++ return ret; ++ } ++ msleep(120); ++ ++ gpiod_set_value_cansleep(ctx->reset_gpio, 0); ++ msleep(5); ++ ++ ctx->prepared = false; ++#endif ++ ++ return 0; ++} ++ ++static int cwd686_prepare(struct drm_panel *panel) ++{ ++ struct cwd686 *ctx = panel_to_cwd686(panel); ++ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); ++ int ret; ++ ++ if (ctx->prepared) ++ return 0; ++ ++ gpiod_set_value_cansleep(ctx->reset_gpio, 0); ++ msleep(10); ++ gpiod_set_value_cansleep(ctx->reset_gpio, 1); ++ msleep(120); ++ ++ /* Enabe tearing mode: send TE (tearing effect) at VBLANK */ ++ ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); ++ if (ret) { ++ dev_err(ctx->dev, "failed to enable vblank TE (%d)\n", ret); ++ return ret; ++ } ++ /* Exit sleep mode and power on */ ++ ++ cwd686_init_sequence(ctx); ++ ++ ret = mipi_dsi_dcs_exit_sleep_mode(dsi); ++ if (ret) { ++ dev_err(ctx->dev, "failed to exit sleep mode (%d)\n", ret); ++ return ret; ++ } ++ msleep(120); ++ ++ ret = mipi_dsi_dcs_set_display_on(dsi); ++ if (ret) { ++ dev_err(ctx->dev, "failed to turn display on (%d)\n", ret); ++ return ret; ++ } ++ msleep(20); ++ ++ ctx->prepared = true; ++ ++ return 0; ++} ++ ++static int cwd686_enable(struct drm_panel *panel) ++{ ++ struct cwd686 *ctx = panel_to_cwd686(panel); ++ ++ if (ctx->enabled) ++ return 0; ++ ++ backlight_enable(ctx->backlight); ++ ++ ctx->enabled = true; ++ ++ return 0; ++} ++ ++static int cwd686_get_modes(struct drm_panel *panel, struct drm_connector *connector) ++{ ++ struct cwd686 *ctx = panel_to_cwd686(panel); ++ struct drm_display_mode *mode; ++ ++ mode = drm_mode_duplicate(connector->dev, &default_mode); ++ if (!mode) { ++ dev_err(panel->dev, "bad mode or failed to add mode\n"); ++ return -EINVAL; ++ } ++ 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; ++ ++ /* set up connector's "panel orientation" property */ ++ drm_connector_set_panel_orientation(connector, ctx->orientation); ++ ++ drm_mode_probed_add(connector, mode); ++ ++ return 1; /* Number of modes */ ++} ++ ++static const struct drm_panel_funcs cwd686_drm_funcs = { ++ .disable = cwd686_disable, ++ .unprepare = cwd686_unprepare, ++ .prepare = cwd686_prepare, ++ .enable = cwd686_enable, ++ .get_modes = cwd686_get_modes, ++}; ++ ++static int cwd686_probe(struct mipi_dsi_device *dsi) ++{ ++ struct device *dev = &dsi->dev; ++ struct cwd686 *ctx; ++ int ret; ++ ++ ctx = devm_kzalloc(dev, sizeof(*ctx), 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_SYNC_PULSE | MIPI_DSI_MODE_LPM; ++ ++ ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); ++ if (IS_ERR(ctx->reset_gpio)) { ++ ret = PTR_ERR(ctx->reset_gpio); ++ if (ret != -EPROBE_DEFER) ++ dev_err(dev, "failed to request GPIO (%d)\n", ret); ++ return ret; ++ } ++ ++ ctx->backlight = devm_of_find_backlight(dev); ++ if (IS_ERR(ctx->backlight)) { ++ dev_err(ctx->dev, "devm_of_find_backlight"); ++ return PTR_ERR(ctx->backlight); ++ } ++ ++ ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation); ++ if (ret) { ++ dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret); ++ return ret; ++ } ++ ++ ctx->panel.prepare_prev_first = true; ++ ++ drm_panel_init(&ctx->panel, dev, &cwd686_drm_funcs, DRM_MODE_CONNECTOR_DSI); ++ ++ 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 cwd686_remove(struct mipi_dsi_device *dsi) ++{ ++ struct cwd686 *ctx = mipi_dsi_get_drvdata(dsi); ++ ++ mipi_dsi_detach(dsi); ++ drm_panel_remove(&ctx->panel); ++} ++ ++static const struct of_device_id cwd686_of_match[] = { ++ { .compatible = "cw,cwd686" }, ++ { } ++}; ++MODULE_DEVICE_TABLE(of, cwd686_of_match); ++ ++static struct mipi_dsi_driver cwd686_driver = { ++ .probe = cwd686_probe, ++ .remove = cwd686_remove, ++ .driver = { ++ .name = "panel-cwd686", ++ .of_match_table = cwd686_of_match, ++ }, ++}; ++module_mipi_dsi_driver(cwd686_driver); ++ ++MODULE_DESCRIPTION("DRM Driver for cwd686 MIPI DSI panel"); ++MODULE_LICENSE("GPL v2"); +diff --git a/drivers/gpu/drm/panel/panel-cwu50-cm3.c b/drivers/gpu/drm/panel/panel-cwu50-cm3.c +new file mode 100644 +index 000000000000..5a8eaf83c97a +--- /dev/null ++++ b/drivers/gpu/drm/panel/panel-cwu50-cm3.c +@@ -0,0 +1,598 @@ ++/* ++ * SPDX-License-Identifier: GPL-2.0+ ++ * Copyright (c) 2021 Clockwork Tech LLC ++ * Copyright (c) 2021 Max Fierke ++ * ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include