| From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
| From: Icenowy Zheng <icenowy@aosc.io> |
| Date: Mon, 16 Mar 2020 21:35:01 +0800 |
| Subject: [PATCH] drm: panel: add Xingbangda XBD599 panel |
| |
| Xingbangda XBD599 is a 5.99" 720x1440 MIPI-DSI IPS LCD panel made by |
| Xingbangda, which is used on PinePhone final assembled phones. |
| |
| Add support for it. |
| |
| Signed-off-by: Icenowy Zheng <icenowy@aosc.io> |
| |
| drivers/gpu/drm/panel/Kconfig | 9 + |
| drivers/gpu/drm/panel/Makefile | 1 + |
| .../gpu/drm/panel/panel-xingbangda-xbd599.c | 366 ++++++++++++++++++ |
| 3 files changed, 376 insertions(+) |
| create mode 100644 drivers/gpu/drm/panel/panel-xingbangda-xbd599.c |
| |
| diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig |
| index de2f2a452be5..3ce658de416b 100644 |
| |
| |
| @@ -462,6 +462,15 @@ config DRM_PANEL_VISIONOX_RM69299 |
| Say Y here if you want to enable support for Visionox |
| RM69299 DSI Video Mode panel. |
| |
| +config DRM_PANEL_XINGBANGDA_XBD599 |
| + tristate "Xingbangda XBD599 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 the Xingbangda XBD599 |
| + MIPI DSI Video Mode panel. |
| + |
| config DRM_PANEL_XINPENG_XPP055C272 |
| tristate "Xinpeng XPP055C272 panel driver" |
| depends on OF |
| diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile |
| index e45ceac6286f..bd10617430ec 100644 |
| |
| |
| @@ -49,4 +49,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o |
| obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o |
| obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o |
| obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o |
| +obj-$(CONFIG_DRM_PANEL_XINGBANGDA_XBD599) += panel-xingbangda-xbd599.o |
| obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o |
| diff --git a/drivers/gpu/drm/panel/panel-xingbangda-xbd599.c b/drivers/gpu/drm/panel/panel-xingbangda-xbd599.c |
| new file mode 100644 |
| index 000000000000..b483f96ee1db |
| |
| |
| @@ -0,0 +1,366 @@ |
| +// SPDX-License-Identifier: GPL-2.0 |
| +/* |
| + * Xingbangda XBD599 MIPI-DSI panel driver |
| + * |
| + * Copyright (C) 2019-2020 Icenowy Zheng <icenowy@aosc.io> |
| + * |
| + * Based on panel-rocktech-jh057n00900.c, which is: |
| + * Copyright (C) Purism SPC 2019 |
| + */ |
| + |
| +#include <linux/delay.h> |
| +#include <linux/gpio/consumer.h> |
| +#include <linux/mod_devicetable.h> |
| +#include <linux/module.h> |
| +#include <linux/of_device.h> |
| +#include <linux/regulator/consumer.h> |
| + |
| +#include <drm/drm_mipi_dsi.h> |
| +#include <drm/drm_modes.h> |
| +#include <drm/drm_panel.h> |
| +#include <drm/drm_print.h> |
| + |
| +/* Manufacturer specific Commands send via DSI */ |
| +#define ST7703_CMD_ALL_PIXEL_OFF 0x22 |
| +#define ST7703_CMD_ALL_PIXEL_ON 0x23 |
| +#define ST7703_CMD_SETDISP 0xB2 |
| +#define ST7703_CMD_SETRGBIF 0xB3 |
| +#define ST7703_CMD_SETCYC 0xB4 |
| +#define ST7703_CMD_SETBGP 0xB5 |
| +#define ST7703_CMD_SETVCOM 0xB6 |
| +#define ST7703_CMD_SETOTP 0xB7 |
| +#define ST7703_CMD_SETPOWER_EXT 0xB8 |
| +#define ST7703_CMD_SETEXTC 0xB9 |
| +#define ST7703_CMD_SETMIPI 0xBA |
| +#define ST7703_CMD_SETVDC 0xBC |
| +#define ST7703_CMD_SETSCR 0xC0 |
| +#define ST7703_CMD_SETPOWER 0xC1 |
| +#define ST7703_CMD_UNK_C6 0xC6 |
| +#define ST7703_CMD_SETPANEL 0xCC |
| +#define ST7703_CMD_SETGAMMA 0xE0 |
| +#define ST7703_CMD_SETEQ 0xE3 |
| +#define ST7703_CMD_SETGIP1 0xE9 |
| +#define ST7703_CMD_SETGIP2 0xEA |
| + |
| +static const char * const regulator_names[] = { |
| + "iovcc", |
| + "vcc", |
| +}; |
| + |
| +struct xbd599 { |
| + struct device *dev; |
| + struct drm_panel panel; |
| + struct gpio_desc *reset_gpio; |
| + struct regulator_bulk_data supplies[ARRAY_SIZE(regulator_names)]; |
| + bool prepared; |
| +}; |
| + |
| +static inline struct xbd599 *panel_to_xbd599(struct drm_panel *panel) |
| +{ |
| + return container_of(panel, struct xbd599, panel); |
| +} |
| + |
| +#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \ |
| + static const u8 d[] = { seq }; \ |
| + int ret; \ |
| + ret = mipi_dsi_dcs_write(dsi, cmd, d, ARRAY_SIZE(d)); \ |
| + if (ret < 0) \ |
| + return ret; \ |
| + } while (0) |
| + |
| +static int xbd599_init_sequence(struct xbd599 *ctx) |
| +{ |
| + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); |
| + struct device *dev = ctx->dev; |
| + int ret; |
| + |
| + /* |
| + * Init sequence was supplied by the panel vendor. |
| + */ |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, |
| + 0xF1, 0x12, 0x83); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, |
| + 0x33, 0x81, 0x05, 0xF9, 0x0E, 0x0E, 0x20, 0x00, |
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x25, |
| + 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02, 0x4F, 0x11, |
| + 0x00, 0x00, 0x37); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, |
| + 0x25, 0x22, 0x20, 0x03); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, |
| + 0x10, 0x10, 0x05, 0x05, 0x03, 0xFF, 0x00, 0x00, |
| + 0x00, 0x00); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, |
| + 0x73, 0x73, 0x50, 0x50, 0x00, 0xC0, 0x08, 0x70, |
| + 0x00); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x4E); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0B); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0xF0, 0x12, 0xF0); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, |
| + 0x00, 0x00, 0x0B, 0x0B, 0x10, 0x10, 0x00, 0x00, |
| + 0x00, 0x00, 0xFF, 0x00, 0xC0, 0x10); |
| + dsi_dcs_write_seq(dsi, 0xC6, 0x01, 0x00, 0xFF, 0xFF, 0x00); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, |
| + 0x74, 0x00, 0x32, 0x32, 0x77, 0xF1, 0xFF, 0xFF, |
| + 0xCC, 0xCC, 0x77, 0x77); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x07, 0x07); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x2C, 0x2C); |
| + dsi_dcs_write_seq(dsi, 0xBF, 0x02, 0x11, 0x00); |
| + |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, |
| + 0x82, 0x10, 0x06, 0x05, 0xA2, 0x0A, 0xA5, 0x12, |
| + 0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 0x38, |
| + 0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0C, 0x00, |
| + 0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31, 0x88, |
| + 0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88, 0x64, |
| + 0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, |
| + 0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, |
| + 0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| + 0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 0x02, 0x88, |
| + 0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 0x88, 0x13, |
| + 0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, |
| + 0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 0x02, 0x00, |
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0A, |
| + 0xA5, 0x00, 0x00, 0x00, 0x00); |
| + dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, |
| + 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, 0x35, |
| + 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, 0x12, |
| + 0x18, 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, |
| + 0x35, 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, |
| + 0x12, 0x18); |
| + msleep(20); |
| + |
| + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); |
| + if (ret < 0) { |
| + DRM_DEV_ERROR(dev, "Failed to exit sleep mode\n"); |
| + return ret; |
| + } |
| + msleep(250); |
| + |
| + ret = mipi_dsi_dcs_set_display_on(dsi); |
| + if (ret) |
| + return ret; |
| + msleep(50); |
| + |
| + DRM_DEV_DEBUG_DRIVER(dev, "Panel init sequence done\n"); |
| + return 0; |
| +} |
| + |
| +static int xbd599_prepare(struct drm_panel *panel) |
| +{ |
| + struct xbd599 *ctx = panel_to_xbd599(panel); |
| + int ret; |
| + |
| + if (ctx->prepared) |
| + return 0; |
| + |
| + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); |
| + if (ret) |
| + return ret; |
| + |
| + DRM_DEV_DEBUG_DRIVER(ctx->dev, "Resetting the panel\n"); |
| + gpiod_set_value_cansleep(ctx->reset_gpio, 1); |
| + usleep_range(20, 40); |
| + gpiod_set_value_cansleep(ctx->reset_gpio, 0); |
| + msleep(20); |
| + |
| + ctx->prepared = true; |
| + |
| + return 0; |
| +} |
| + |
| +static int xbd599_enable(struct drm_panel *panel) |
| +{ |
| + struct xbd599 *ctx = panel_to_xbd599(panel); |
| + int ret; |
| + |
| + ret = xbd599_init_sequence(ctx); |
| + if (ret < 0) { |
| + DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n", |
| + ret); |
| + return ret; |
| + } |
| + |
| + return 0; |
| +} |
| + |
| +static int xbd599_disable(struct drm_panel *panel) |
| +{ |
| + struct xbd599 *ctx = panel_to_xbd599(panel); |
| + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); |
| + |
| + return mipi_dsi_dcs_set_display_off(dsi); |
| +} |
| + |
| +static int xbd599_unprepare(struct drm_panel *panel) |
| +{ |
| + struct xbd599 *ctx = panel_to_xbd599(panel); |
| + |
| + if (!ctx->prepared) |
| + return 0; |
| + |
| + gpiod_set_value_cansleep(ctx->reset_gpio, 1); |
| + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); |
| + ctx->prepared = false; |
| + |
| + return 0; |
| +} |
| + |
| +static const struct drm_display_mode xbd599_default_mode = { |
| + .hdisplay = 720, |
| + .hsync_start = 720 + 40, |
| + .hsync_end = 720 + 40 + 40, |
| + .htotal = 720 + 40 + 40 + 40, |
| + .vdisplay = 1440, |
| + .vsync_start = 1440 + 18, |
| + .vsync_end = 1440 + 18 + 10, |
| + .vtotal = 1440 + 18 + 10 + 17, |
| + .vrefresh = 60, |
| + .clock = 69000, |
| + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, |
| + |
| + .width_mm = 68, |
| + .height_mm = 136, |
| + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, |
| +}; |
| + |
| +static int xbd599_get_modes(struct drm_panel *panel, |
| + struct drm_connector *connector) |
| +{ |
| + struct xbd599 *ctx = panel_to_xbd599(panel); |
| + struct drm_display_mode *mode; |
| + |
| + mode = drm_mode_duplicate(connector->dev, &xbd599_default_mode); |
| + if (!mode) { |
| + DRM_DEV_ERROR(ctx->dev, "Failed to add mode\n"); |
| + 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 xbd599_drm_funcs = { |
| + .prepare = xbd599_prepare, |
| + .enable = xbd599_enable, |
| + .disable = xbd599_disable, |
| + .unprepare = xbd599_unprepare, |
| + .get_modes = xbd599_get_modes, |
| +}; |
| + |
| +static int xbd599_probe(struct mipi_dsi_device *dsi) |
| +{ |
| + struct device *dev = &dsi->dev; |
| + struct xbd599 *ctx; |
| + int i, ret; |
| + |
| + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
| + if (!ctx) |
| + return -ENOMEM; |
| + |
| + for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) |
| + ctx->supplies[i].supply = regulator_names[i]; |
| + |
| + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), |
| + ctx->supplies); |
| + if (ret < 0) { |
| + DRM_DEV_ERROR(&dsi->dev, "cannot get regulators\n"); |
| + return ret; |
| + } |
| + |
| + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); |
| + if (IS_ERR(ctx->reset_gpio)) { |
| + DRM_DEV_ERROR(dev, "cannot get reset gpio\n"); |
| + return PTR_ERR(ctx->reset_gpio); |
| + } |
| + |
| + 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; |
| + |
| + drm_panel_init(&ctx->panel, &dsi->dev, &xbd599_drm_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) { |
| + DRM_DEV_ERROR(dev, "mipi_dsi_attach failed. Is host ready?\n"); |
| + drm_panel_remove(&ctx->panel); |
| + return ret; |
| + } |
| + |
| + DRM_DEV_INFO(dev, "%ux%u@%u %ubpp dsi %udl - ready\n", |
| + xbd599_default_mode.hdisplay, |
| + xbd599_default_mode.vdisplay, |
| + xbd599_default_mode.vrefresh, |
| + mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes); |
| + |
| + return 0; |
| +} |
| + |
| +static void xbd599_shutdown(struct mipi_dsi_device *dsi) |
| +{ |
| + struct xbd599 *ctx = mipi_dsi_get_drvdata(dsi); |
| + int ret; |
| + |
| + ret = drm_panel_unprepare(&ctx->panel); |
| + if (ret < 0) |
| + DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n", |
| + ret); |
| +} |
| + |
| +static int xbd599_remove(struct mipi_dsi_device *dsi) |
| +{ |
| + struct xbd599 *ctx = mipi_dsi_get_drvdata(dsi); |
| + int ret; |
| + |
| + xbd599_shutdown(dsi); |
| + |
| + ret = mipi_dsi_detach(dsi); |
| + if (ret < 0) |
| + DRM_DEV_ERROR(&dsi->dev, "Failed to detach from DSI host: %d\n", |
| + ret); |
| + |
| + drm_panel_remove(&ctx->panel); |
| + |
| + return 0; |
| +} |
| + |
| +static const struct of_device_id xbd599_of_match[] = { |
| + { .compatible = "xingbangda,xbd599", }, |
| + { /* sentinel */ } |
| +}; |
| +MODULE_DEVICE_TABLE(of, xbd599_of_match); |
| + |
| +static struct mipi_dsi_driver xbd599_driver = { |
| + .probe = xbd599_probe, |
| + .remove = xbd599_remove, |
| + .shutdown = xbd599_shutdown, |
| + .driver = { |
| + .name = "panel-xingbangda-xbd599", |
| + .of_match_table = xbd599_of_match, |
| + }, |
| +}; |
| +module_mipi_dsi_driver(xbd599_driver); |
| + |
| +MODULE_AUTHOR("Icenowy Zheng <icenowy@aosc.io>"); |
| +MODULE_DESCRIPTION("DRM driver for Xingbangda XBD599 MIPI DSI panel"); |
| +MODULE_LICENSE("GPL v2"); |
| -- |
| 2.28.0 |
| |