path: root/SOURCES/0001-Revert-drm-panel-add-Xingbangda-XBD599-panel.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Sun, 12 Jul 2020 13:41:56 +0100
Subject: [PATCH] Revert "drm: panel: add Xingbangda XBD599 panel"

This reverts commit 5d53795bb19e39f048ac8028ec36ff04765e1237.
---
 drivers/gpu/drm/panel/Kconfig                 |   9 -
 drivers/gpu/drm/panel/Makefile                |   1 -
 .../gpu/drm/panel/panel-xingbangda-xbd599.c   | 366 ------------------
 3 files changed, 376 deletions(-)
 delete 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 1f55a87bb657..39055c1f0e2f 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -462,15 +462,6 @@ 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 7b6b0c0397d6..de74f282c433 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -49,5 +49,4 @@ 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
deleted file mode 100644
index b483f96ee1db..000000000000
--- a/drivers/gpu/drm/panel/panel-xingbangda-xbd599.c
+++ /dev/null
@@ -1,366 +0,0 @@
-// 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");
-- 
2.26.2