drivers/video/fbdev/mxc/mxcfb_rm68191_qhd.c - linux-imx - Git at Google

 /*
  * Copyright 2018 NXP
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.

  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.

  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */

 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/console.h>
 #include <linux/io.h>
 #include <linux/bitops.h>
 #include <linux/spinlock.h>
 #include <linux/mipi_dsi.h>
 #include <linux/mxcfb.h>
 #include <linux/backlight.h>
 #include <video/mipi_display.h>

 #include "mipi_dsi.h"

 #define RM68191_MAX_DPHY_CLK					(850)

 #define CHECK_RETCODE(ret)					\
 do {								\
 	if (ret < 0) {						\
 		dev_err(&mipi_dsi->pdev->dev,			\
 			"%s ERR: ret:%d, line:%d.\n",		\
 			__func__, ret, __LINE__);		\
 		return ret;					\
 	}							\
 } while (0)

 static void parse_variadic(int n, u8 *buf, ...)
 {
 	int i = 0;
 	va_list args;

 	if (unlikely(!n)) return;

 	va_start(args, buf);

 	for (i = 0; i < n; i++)
 		buf[i + 1] = (u8)va_arg(args, int);

 	va_end(args);
 }

 #define RM68191_DCS_write_1A_nP(n, addr, ...) {			\
 	int err;						\
 								\
 	buf[0] = addr;						\
 	parse_variadic(n, buf, ##__VA_ARGS__);			\
 								\
 	if (n >= 2)						\
 		err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi,		\
 			MIPI_DSI_DCS_LONG_WRITE, (u32*)buf, n + 1);	\
 	else if (n == 1)					\
 		err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi,	\
 			MIPI_DSI_DCS_SHORT_WRITE_PARAM, (u32*)buf, 0);	\
 	else if (n == 0)					\
 	{							\
 		buf[1] = 0;					\
 		err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi,	\
 			MIPI_DSI_DCS_SHORT_WRITE, (u32*)buf, 0);	\
 	}							\
 	CHECK_RETCODE(err);					\
 }

 #define RM68191_DCS_write_1A_0P(addr)			\
 	RM68191_DCS_write_1A_nP(0, addr)

 #define RM68191_DCS_write_1A_1P(addr, ...)		\
 	RM68191_DCS_write_1A_nP(1, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_2P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(2, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_3P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(3, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_4P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(4, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_5P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(5, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_6P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(6, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_7P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(7, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_8P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(8, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_9P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(9, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_10P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(10, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_11P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(11, addr, __VA_ARGS__)

 #define RM68191_DCS_write_1A_16P(addr, ...)	\
 	RM68191_DCS_write_1A_nP(16, addr, __VA_ARGS__)

 #define ACTIVE_HIGH_NAME	"RK-QHD-SYNC-HIGH"
 #define ACTIVE_LOW_NAME		"RK-QHD-SYNC-LOW"

 static struct fb_videomode rk_lcd_modedb[] = {
 	/* 540 x 960 */
 	{
 		ACTIVE_HIGH_NAME, 60, 540, 960, 27396,
 		30, 32,
 		14, 16,
 		2, 2,
 		0x0,
 		FB_VMODE_NONINTERLACED,
 		0,
 	}, {
 		ACTIVE_LOW_NAME, 60, 540, 960, 27396,
 		30, 32,
 		14, 16,
 		2, 2,
 		FB_SYNC_OE_LOW_ACT,
 		FB_VMODE_NONINTERLACED,
 		0,
 	},
 };

 static struct mipi_lcd_config lcd_config = {
 	.virtual_ch	= 0x0,
 	.data_lane_num  = 2,
 	.max_phy_clk    = RM68191_MAX_DPHY_CLK,
 	.dpi_fmt	= MIPI_RGB888,
 };

 void mipid_rm68191_get_lcd_videomode(struct fb_videomode **mode, int *size,
 				     struct mipi_lcd_config **data)
 {
 	*mode = &rk_lcd_modedb[0];
 	*size = ARRAY_SIZE(rk_lcd_modedb);
 	*data = &lcd_config;
 }

 int mipid_rm68191_lcd_setup(struct mipi_dsi_info *mipi_dsi)
 {
 	u8 buf[DSI_CMD_BUF_MAXSIZE];

 	dev_dbg(&mipi_dsi->pdev->dev, "MIPI DSI LCD RM68191 setup.\n");

 	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x03);
 	RM68191_DCS_write_1A_9P(0x90, 0x05, 0x16, 0x09, 0x03, 0xCD, 0x00, 0x00, 0x00, 0x00);
 	RM68191_DCS_write_1A_9P(0x91, 0x05, 0x16, 0x0B, 0x03, 0xCF, 0x00, 0x00, 0x00, 0x00);
 	RM68191_DCS_write_1A_11P(0x92, 0x40, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x8F, 0x00, 0x00, 0x04, 0x08);
 	RM68191_DCS_write_1A_8P(0x94, 0x00, 0x08, 0x0C, 0x03, 0xD1, 0x03, 0xD2, 0x0C);
 	RM68191_DCS_write_1A_16P(0x95, 0x40, 0x10, 0x00, 0x11, 0x00, 0x12, 0x00, 0x13, 0x00, 0x8F, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08);
 	RM68191_DCS_write_1A_2P(0x99, 0x00, 0x00);
 	RM68191_DCS_write_1A_11P(0x9A, 0x80, 0x10, 0x03, 0xD5, 0x03, 0xD7, 0x00, 0x00, 0x00, 0x00, 0x50);
 	RM68191_DCS_write_1A_6P(0x9B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
 	RM68191_DCS_write_1A_2P(0x9C, 0x00, 0x00);
 	RM68191_DCS_write_1A_8P(0x9D, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00);
 	RM68191_DCS_write_1A_2P(0x9E, 0x00, 0x00);
 	RM68191_DCS_write_1A_10P(0xA0, 0x84, 0x00, 0x1F, 0x1F, 0x1F, 0x1F, 0x08, 0x1F, 0x0A, 0x1F);
 	RM68191_DCS_write_1A_10P(0xA1, 0x1F, 0x1F, 0x1F, 0x1F, 0x0C, 0x1F, 0x0E, 0x1F, 0x1F, 0x1F);
 	RM68191_DCS_write_1A_10P(0xA2, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x02, 0x1F, 0x06, 0x1F);
 	RM68191_DCS_write_1A_10P(0xA3, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
 	RM68191_DCS_write_1A_10P(0xA4, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x07, 0x1F, 0x03, 0x1F, 0x0F);
 	RM68191_DCS_write_1A_10P(0xA5, 0x1F, 0x0D, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x0B, 0x1F, 0x09);
 	RM68191_DCS_write_1A_10P(0xA6, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x01, 0x05);
 	RM68191_DCS_write_1A_10P(0xA7, 0x03, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x0B, 0x1F, 0x09, 0x1F);
 	RM68191_DCS_write_1A_10P(0xA8, 0x1F, 0x1F, 0x1F, 0x1F, 0x0F, 0x1F, 0x0D, 0x1F, 0x1F, 0x1F);
 	RM68191_DCS_write_1A_10P(0xA9, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x05, 0x1F, 0x01, 0x1F);
 	RM68191_DCS_write_1A_10P(0xAA, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
 	RM68191_DCS_write_1A_10P(0xAB, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x1F, 0x04, 0x1F, 0x0C);
 	RM68191_DCS_write_1A_10P(0xAC, 0x1F, 0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x08, 0x1F, 0x0A);
 	RM68191_DCS_write_1A_10P(0xAD, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x06, 0x02);
 	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x02);
 	RM68191_DCS_write_1A_1P(0xEA, 0x7D);
 	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x00);
 	RM68191_DCS_write_1A_3P(0xBC, 0x00, 0x00, 0x00);
 	RM68191_DCS_write_1A_4P(0xB8, 0x01, 0xAF, 0x8F, 0x8F);
 	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01);
 	RM68191_DCS_write_1A_16P(0xD1, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
 	RM68191_DCS_write_1A_16P(0xD2, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
 	RM68191_DCS_write_1A_16P(0xD3, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
 	RM68191_DCS_write_1A_4P(0xD4, 0x03, 0xE5, 0x03, 0xFF);
 	RM68191_DCS_write_1A_16P(0xD5, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
 	RM68191_DCS_write_1A_16P(0xD6, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
 	RM68191_DCS_write_1A_16P(0xD7, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
 	RM68191_DCS_write_1A_4P(0xD8, 0x03, 0xE5, 0x03, 0xFF);
 	RM68191_DCS_write_1A_16P(0xD9, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
 	RM68191_DCS_write_1A_16P(0xDD, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
 	RM68191_DCS_write_1A_16P(0xDE, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
 	RM68191_DCS_write_1A_4P(0xDF, 0x03, 0xE5, 0x03, 0xFF);
 	RM68191_DCS_write_1A_16P(0xE0, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
 	RM68191_DCS_write_1A_16P(0xE1, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
 	RM68191_DCS_write_1A_16P(0xE2, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
 	RM68191_DCS_write_1A_4P(0xE3, 0x03, 0xE5, 0x03, 0xFF);
 	RM68191_DCS_write_1A_16P(0xE4, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
 	RM68191_DCS_write_1A_16P(0xE5, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
 	RM68191_DCS_write_1A_16P(0xE6, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
 	RM68191_DCS_write_1A_4P(0xE7, 0x03, 0xE5, 0x03, 0xFF);
 	RM68191_DCS_write_1A_16P(0xE8, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
 	RM68191_DCS_write_1A_16P(0xE9, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
 	RM68191_DCS_write_1A_16P(0xEA, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
 	RM68191_DCS_write_1A_4P(0xEB, 0x03, 0xE5, 0x03, 0xFF);
 	RM68191_DCS_write_1A_3P(0xB0, 0x07, 0x07, 0x07);
 	RM68191_DCS_write_1A_3P(0xB1, 0x07, 0x07, 0x07);
 	RM68191_DCS_write_1A_3P(0xB3, 0x11, 0x11, 0x11);
 	RM68191_DCS_write_1A_3P(0xB4, 0x09, 0x09, 0x09);
 	RM68191_DCS_write_1A_3P(0xB6, 0x44, 0x44, 0x44);
 	RM68191_DCS_write_1A_3P(0xB7, 0x34, 0x34, 0x34);
 	RM68191_DCS_write_1A_3P(0xB9, 0x34, 0x34, 0x34);
 	RM68191_DCS_write_1A_3P(0xBA, 0x14, 0x14, 0x14);
 	RM68191_DCS_write_1A_3P(0xBC, 0x00, 0x98, 0x00);
 	RM68191_DCS_write_1A_3P(0xBD, 0x00, 0x98, 0x00);
 	RM68191_DCS_write_1A_1P(0xBE, 0x1D);
 	RM68191_DCS_write_1A_1P(0x35, 0x00);

 	RM68191_DCS_write_1A_0P(0x11);
 	mdelay(200);
 	RM68191_DCS_write_1A_0P(0x29);
 	mdelay(200);

 	return 0;
 }

 static int mipid_bl_update_status(struct backlight_device *bl)
 {
 	return 0;
 }

 static int mipid_bl_get_brightness(struct backlight_device *bl)
 {
 	return 255;
 }

 static int mipi_bl_check_fb(struct backlight_device *bl, struct fb_info *fbi)
 {
 	return 0;
 }

 static const struct backlight_ops mipid_lcd_bl_ops = {
 	.update_status = mipid_bl_update_status,
 	.get_brightness = mipid_bl_get_brightness,
 	.check_fb = mipi_bl_check_fb,
 };
	/*
	* Copyright 2018 NXP
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.

	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.

	* You should have received a copy of the GNU General Public License along
	* with this program; if not, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	*/

	#include <linux/types.h>
	#include <linux/init.h>
	#include <linux/delay.h>
	#include <linux/platform_device.h>
	#include <linux/err.h>
	#include <linux/clk.h>
	#include <linux/console.h>
	#include <linux/io.h>
	#include <linux/bitops.h>
	#include <linux/spinlock.h>
	#include <linux/mipi_dsi.h>
	#include <linux/mxcfb.h>
	#include <linux/backlight.h>
	#include <video/mipi_display.h>

	#include "mipi_dsi.h"

	#define RM68191_MAX_DPHY_CLK (850)

	#define CHECK_RETCODE(ret) \
	do { \
	if (ret < 0) { \
	dev_err(&mipi_dsi->pdev->dev, \
	"%s ERR: ret:%d, line:%d.\n", \
	__func__, ret, __LINE__); \
	return ret; \
	} \
	} while (0)

	static void parse_variadic(int n, u8 *buf, ...)
	{
	int i = 0;
	va_list args;

	if (unlikely(!n)) return;

	va_start(args, buf);

	for (i = 0; i < n; i++)
	buf[i + 1] = (u8)va_arg(args, int);

	va_end(args);
	}

	#define RM68191_DCS_write_1A_nP(n, addr, ...) { \
	int err; \
	\
	buf[0] = addr; \
	parse_variadic(n, buf, ##__VA_ARGS__); \
	\
	if (n >= 2) \
	err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi, \
	MIPI_DSI_DCS_LONG_WRITE, (u32*)buf, n + 1); \
	else if (n == 1) \
	err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi, \
	MIPI_DSI_DCS_SHORT_WRITE_PARAM, (u32*)buf, 0); \
	else if (n == 0) \
	{ \
	buf[1] = 0; \
	err = mipi_dsi->mipi_dsi_pkt_write(mipi_dsi, \
	MIPI_DSI_DCS_SHORT_WRITE, (u32*)buf, 0); \
	} \
	CHECK_RETCODE(err); \
	}

	#define RM68191_DCS_write_1A_0P(addr) \
	RM68191_DCS_write_1A_nP(0, addr)

	#define RM68191_DCS_write_1A_1P(addr, ...) \
	RM68191_DCS_write_1A_nP(1, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_2P(addr, ...) \
	RM68191_DCS_write_1A_nP(2, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_3P(addr, ...) \
	RM68191_DCS_write_1A_nP(3, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_4P(addr, ...) \
	RM68191_DCS_write_1A_nP(4, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_5P(addr, ...) \
	RM68191_DCS_write_1A_nP(5, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_6P(addr, ...) \
	RM68191_DCS_write_1A_nP(6, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_7P(addr, ...) \
	RM68191_DCS_write_1A_nP(7, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_8P(addr, ...) \
	RM68191_DCS_write_1A_nP(8, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_9P(addr, ...) \
	RM68191_DCS_write_1A_nP(9, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_10P(addr, ...) \
	RM68191_DCS_write_1A_nP(10, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_11P(addr, ...) \
	RM68191_DCS_write_1A_nP(11, addr, __VA_ARGS__)

	#define RM68191_DCS_write_1A_16P(addr, ...) \
	RM68191_DCS_write_1A_nP(16, addr, __VA_ARGS__)

	#define ACTIVE_HIGH_NAME "RK-QHD-SYNC-HIGH"
	#define ACTIVE_LOW_NAME "RK-QHD-SYNC-LOW"

	static struct fb_videomode rk_lcd_modedb[] = {
	/* 540 x 960 */
	{
	ACTIVE_HIGH_NAME, 60, 540, 960, 27396,
	30, 32,
	14, 16,
	2, 2,
	0x0,
	FB_VMODE_NONINTERLACED,
	0,
	}, {
	ACTIVE_LOW_NAME, 60, 540, 960, 27396,
	30, 32,
	14, 16,
	2, 2,
	FB_SYNC_OE_LOW_ACT,
	FB_VMODE_NONINTERLACED,
	0,
	},
	};

	static struct mipi_lcd_config lcd_config = {
	.virtual_ch = 0x0,
	.data_lane_num = 2,
	.max_phy_clk = RM68191_MAX_DPHY_CLK,
	.dpi_fmt = MIPI_RGB888,
	};

	void mipid_rm68191_get_lcd_videomode(struct fb_videomode *mode, int size,
	struct mipi_lcd_config **data)
	{
	*mode = &rk_lcd_modedb[0];
	*size = ARRAY_SIZE(rk_lcd_modedb);
	*data = &lcd_config;
	}

	int mipid_rm68191_lcd_setup(struct mipi_dsi_info *mipi_dsi)
	{
	u8 buf[DSI_CMD_BUF_MAXSIZE];

	dev_dbg(&mipi_dsi->pdev->dev, "MIPI DSI LCD RM68191 setup.\n");

	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x03);
	RM68191_DCS_write_1A_9P(0x90, 0x05, 0x16, 0x09, 0x03, 0xCD, 0x00, 0x00, 0x00, 0x00);
	RM68191_DCS_write_1A_9P(0x91, 0x05, 0x16, 0x0B, 0x03, 0xCF, 0x00, 0x00, 0x00, 0x00);
	RM68191_DCS_write_1A_11P(0x92, 0x40, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x8F, 0x00, 0x00, 0x04, 0x08);
	RM68191_DCS_write_1A_8P(0x94, 0x00, 0x08, 0x0C, 0x03, 0xD1, 0x03, 0xD2, 0x0C);
	RM68191_DCS_write_1A_16P(0x95, 0x40, 0x10, 0x00, 0x11, 0x00, 0x12, 0x00, 0x13, 0x00, 0x8F, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08);
	RM68191_DCS_write_1A_2P(0x99, 0x00, 0x00);
	RM68191_DCS_write_1A_11P(0x9A, 0x80, 0x10, 0x03, 0xD5, 0x03, 0xD7, 0x00, 0x00, 0x00, 0x00, 0x50);
	RM68191_DCS_write_1A_6P(0x9B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
	RM68191_DCS_write_1A_2P(0x9C, 0x00, 0x00);
	RM68191_DCS_write_1A_8P(0x9D, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00);
	RM68191_DCS_write_1A_2P(0x9E, 0x00, 0x00);
	RM68191_DCS_write_1A_10P(0xA0, 0x84, 0x00, 0x1F, 0x1F, 0x1F, 0x1F, 0x08, 0x1F, 0x0A, 0x1F);
	RM68191_DCS_write_1A_10P(0xA1, 0x1F, 0x1F, 0x1F, 0x1F, 0x0C, 0x1F, 0x0E, 0x1F, 0x1F, 0x1F);
	RM68191_DCS_write_1A_10P(0xA2, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x02, 0x1F, 0x06, 0x1F);
	RM68191_DCS_write_1A_10P(0xA3, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
	RM68191_DCS_write_1A_10P(0xA4, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x07, 0x1F, 0x03, 0x1F, 0x0F);
	RM68191_DCS_write_1A_10P(0xA5, 0x1F, 0x0D, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x0B, 0x1F, 0x09);
	RM68191_DCS_write_1A_10P(0xA6, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x01, 0x05);
	RM68191_DCS_write_1A_10P(0xA7, 0x03, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x0B, 0x1F, 0x09, 0x1F);
	RM68191_DCS_write_1A_10P(0xA8, 0x1F, 0x1F, 0x1F, 0x1F, 0x0F, 0x1F, 0x0D, 0x1F, 0x1F, 0x1F);
	RM68191_DCS_write_1A_10P(0xA9, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x05, 0x1F, 0x01, 0x1F);
	RM68191_DCS_write_1A_10P(0xAA, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
	RM68191_DCS_write_1A_10P(0xAB, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x1F, 0x04, 0x1F, 0x0C);
	RM68191_DCS_write_1A_10P(0xAC, 0x1F, 0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x08, 0x1F, 0x0A);
	RM68191_DCS_write_1A_10P(0xAD, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x06, 0x02);
	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x02);
	RM68191_DCS_write_1A_1P(0xEA, 0x7D);
	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x00);
	RM68191_DCS_write_1A_3P(0xBC, 0x00, 0x00, 0x00);
	RM68191_DCS_write_1A_4P(0xB8, 0x01, 0xAF, 0x8F, 0x8F);
	RM68191_DCS_write_1A_5P(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01);
	RM68191_DCS_write_1A_16P(0xD1, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
	RM68191_DCS_write_1A_16P(0xD2, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
	RM68191_DCS_write_1A_16P(0xD3, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
	RM68191_DCS_write_1A_4P(0xD4, 0x03, 0xE5, 0x03, 0xFF);
	RM68191_DCS_write_1A_16P(0xD5, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
	RM68191_DCS_write_1A_16P(0xD6, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
	RM68191_DCS_write_1A_16P(0xD7, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
	RM68191_DCS_write_1A_4P(0xD8, 0x03, 0xE5, 0x03, 0xFF);
	RM68191_DCS_write_1A_16P(0xD9, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
	RM68191_DCS_write_1A_16P(0xDD, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
	RM68191_DCS_write_1A_16P(0xDE, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
	RM68191_DCS_write_1A_4P(0xDF, 0x03, 0xE5, 0x03, 0xFF);
	RM68191_DCS_write_1A_16P(0xE0, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
	RM68191_DCS_write_1A_16P(0xE1, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
	RM68191_DCS_write_1A_16P(0xE2, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
	RM68191_DCS_write_1A_4P(0xE3, 0x03, 0xE5, 0x03, 0xFF);
	RM68191_DCS_write_1A_16P(0xE4, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
	RM68191_DCS_write_1A_16P(0xE5, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
	RM68191_DCS_write_1A_16P(0xE6, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
	RM68191_DCS_write_1A_4P(0xE7, 0x03, 0xE5, 0x03, 0xFF);
	RM68191_DCS_write_1A_16P(0xE8, 0x00, 0x00, 0x00, 0x26, 0x00, 0x5E, 0x00, 0x88, 0x00, 0xA8, 0x00, 0xDB, 0x01, 0x02, 0x01, 0x3D);
	RM68191_DCS_write_1A_16P(0xE9, 0x01, 0x67, 0x01, 0xA6, 0x01, 0xD3, 0x02, 0x16, 0x02, 0x49, 0x02, 0x4B, 0x02, 0x7B, 0x02, 0xB3);
	RM68191_DCS_write_1A_16P(0xEA, 0x02, 0xD9, 0x03, 0x0E, 0x03, 0x31, 0x03, 0x61, 0x03, 0x80, 0x03, 0xA5, 0x03, 0xBD, 0x03, 0xD2);
	RM68191_DCS_write_1A_4P(0xEB, 0x03, 0xE5, 0x03, 0xFF);
	RM68191_DCS_write_1A_3P(0xB0, 0x07, 0x07, 0x07);
	RM68191_DCS_write_1A_3P(0xB1, 0x07, 0x07, 0x07);
	RM68191_DCS_write_1A_3P(0xB3, 0x11, 0x11, 0x11);
	RM68191_DCS_write_1A_3P(0xB4, 0x09, 0x09, 0x09);
	RM68191_DCS_write_1A_3P(0xB6, 0x44, 0x44, 0x44);
	RM68191_DCS_write_1A_3P(0xB7, 0x34, 0x34, 0x34);
	RM68191_DCS_write_1A_3P(0xB9, 0x34, 0x34, 0x34);
	RM68191_DCS_write_1A_3P(0xBA, 0x14, 0x14, 0x14);
	RM68191_DCS_write_1A_3P(0xBC, 0x00, 0x98, 0x00);
	RM68191_DCS_write_1A_3P(0xBD, 0x00, 0x98, 0x00);
	RM68191_DCS_write_1A_1P(0xBE, 0x1D);
	RM68191_DCS_write_1A_1P(0x35, 0x00);

	RM68191_DCS_write_1A_0P(0x11);
	mdelay(200);
	RM68191_DCS_write_1A_0P(0x29);
	mdelay(200);

	return 0;
	}

	static int mipid_bl_update_status(struct backlight_device *bl)
	{
	return 0;
	}

	static int mipid_bl_get_brightness(struct backlight_device *bl)
	{
	return 255;
	}

	static int mipi_bl_check_fb(struct backlight_device bl, struct fb_info fbi)
	{
	return 0;
	}

	static const struct backlight_ops mipid_lcd_bl_ops = {
	.update_status = mipid_bl_update_status,
	.get_brightness = mipid_bl_get_brightness,
	.check_fb = mipi_bl_check_fb,
	};