/* drivers/video/sprdfb/lcd_s6d77a1_pikeA_mipi.c
 *
 * Support for s6d77a1 mipi LCD device
 *
 * Copyright (C) 2010 Spreadtrum
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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.
 */

#include <linux/kernel.h>
#include <linux/bug.h>
#include <linux/delay.h>
#include "../sprdfb_panel.h"
#include <mach/gpio.h>

#define  LCD_DEBUG
#ifdef LCD_DEBUG
#define LCD_PRINT printk
#else
#define LCD_PRINT(...)
#endif

#define MAX_DATA   150

#define PIKEA_J1_NBW_PANEL


typedef struct LCM_Init_Code_tag {
	unsigned int tag;
	unsigned char data[MAX_DATA];
}LCM_Init_Code;

typedef struct LCM_force_cmd_code_tag{
	unsigned int datatype;
	LCM_Init_Code real_cmd_code;
}LCM_Force_Cmd_Code;

#define LCM_TAG_SHIFT 24
#define LCM_TAG_MASK  ((1 << 24) -1)
#define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)
#define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)
//#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))

#define LCM_TAG_SEND  (1<< 0)
#define LCM_TAG_SLEEP (1 << 1)

static LCM_Init_Code init_data[] = {

#ifndef PIKEA_J1_NBW_PANEL
	{LCM_SEND(1),{0x11}},
	{LCM_SEND(5),{3,0,0xF0,0x5A,0x5A}},
	{LCM_SEND(5),{3,0,0xFC,0xA5,0xA5}},
	{LCM_SEND(5),{3,0,0xF1,0x5A,0xA5}},

		{LCM_SEND(2),{0xB3, 0x01}},
		{LCM_SEND(2),{0xB5, 0x10}},
		{LCM_SEND(6),{4,0,0xBC,0x01,0x29,0x51}}, /* 141006 Battery detect function disabled */

		/* MIPI SETTING */
		{LCM_SEND(5),{3,0,0xE3,0x24,0x2C}},

		/* Display Inversion Off */
		{LCM_SEND(1),{0x21}},

		/* Display Control */
		{LCM_SEND(10), {8,0,0xF2,0x11,0x04,0x08,0x10,0x10,0x82,0x54}},

		/* power control 1 */
		{LCM_SEND(8),{6,0,0xF3,0x91,0x00,0x00,0x00,0x10}},

		/* power control 2 */
		{LCM_SEND(46),{44,0,0xF4,0x01,0x02,0x23,0x24,0x25,0x25,0x26,0x26,0x29,0x29,0x2C,0x2B,0x2C,0x07,0x08,0x05,0x04,0x04,0x01,0x01,0x22,0x0A,0x17,0x0F,0x11,0x23,0x0D,0x0A,0x0B,0x02,0x19,0x13,0x1E,0x1F,0x23,0x20,0x05,0x16,0x1A,0x16,0x1E,0x24,0x1E}},

		/* power control 3 */
		{LCM_SEND(31),{29,0,0xF5,0x28,0x28,0xB9,0x21,0x35,0x55,0x36,0x0A,0x00,0x39,0x00,0x00,0x0B,0x4B,0xC4,0xCB,0x4B,0x12,0x12,0x1A,0x00,0x10,0xE0,0xE2,0x0E,0x34,0x34,0x03}},

		/* 9.4 */
		{LCM_SEND(20),{18,0,0xFE,0x00,0x02,0x01,0x39,0x60,0x40,0x21,0x00,0x4B,0x00,0x80,0x00,0xF0,0x00,0x00,0x00,0x02}},

		/* ASG EQ Control */
		{LCM_SEND(13),{11,0,0xEE,0x00,0xA8,0x00,0xA8,0x00,0x00,0x00,0x00,0x00,0x00}},

		{LCM_SEND(24),{22,0,0xEF,0x23,0x01,0x00,0x00,0x2A,0x49,0x08,0x27,0x21,0x40,0x10,0x28,0x02,0x21,0x21,0x03,0x03,0x40,0x00,0x08,0x00}},

		/* Panel Gate Control */
		{LCM_SEND(33),{31,0,0xF7,0x02,0x1B,0x0D,0x0D,0x09,0x09,0x0C,0x0C,0x08,0x08,0x04,0x06,0x1A,0x02,0x02,0x02,0x1B,0x0F,0x0F,0x0B,0x0B,0x0E,0x0E,0x0A,0x0A,0x05,0x07,0x1A,0x02,0x02}},

		/* Source Control */
		{LCM_SEND(9),{7,0,0xF6,0x63,0x25,0x15,0x00,0x00,0x2A}},

		/* Memory Data Access Control */
		{LCM_SEND(2),{0x36,0x10}},

		/* Positive Gamma Control */
		{LCM_SEND(20),{18,0,0xFA,0x0C,0x36,0x11,0x17,0x0E,0x14,0x19,0x18,0x1A,0x21,0x23,0x22,0x22,0x21,0x22,0x22,0x29}},

		/* Negative Gamma Control */
		{LCM_SEND(20),{18,0,0xFB,0x0C,0x36,0x12,0x17,0x0F,0x14,0x19,0x18,0x1A,0x21,0x24,0x22,0x23,0x21,0x22,0x22,0x29}},

		/* display on */
		{LCM_SEND(1),{0x11}},
		{LCM_SLEEP(120)},

		{LCM_SEND(1),{0x29}},
		{LCM_SLEEP(120)},
#else
	
	{LCM_SEND(5),		{3, 0x00, 0xF0, 0x5A, 0x5A} },
	{LCM_SEND(5),		{3, 0x00, 0xFC, 0xA5, 0xA5} },
	{LCM_SEND(2),		{0xB3, 0x01} },
	{LCM_SEND(2),		{0xB5, 0x10} },
	{LCM_SEND(6),		{4, 0x00, 0xBC, 0x00, 0x29, 0x51} },
	{LCM_SEND(5),		{3, 0x00, 0xE3, 0x24, 0x2C} },
	{LCM_SEND(1),		{0x21} },
	{LCM_SEND(10),		{8, 0x00, 0xF2, 0x11, 0x04, 0x08, 0x10, 0x10, 0x82, 0x54} },
	{LCM_SEND(8),		{6, 0x00, 0xF3, 0x91, 0x00, 0x00, 0x00, 0x10} },
	{LCM_SEND(46),		{44, 0x00, 0xF4, 0x01, 0x02, 0x23, 0x24, 0x25, 0x25, 0x26, 0x26, 0x29, 0x29, 0x2C, 0x2B, 0x2C,
			0x07, 0x08, 0x05, 0x04, 0x04, 0x01, 0x01, 0x22, 0x0A, 0x17, 0x0F, 0x11, 0x23, 0x0D, 0x0A, 0x0B,
			0x02, 0x19, 0x13, 0x1E, 0x1F, 0x23, 0x20, 0x05, 0x16, 0x1A, 0x16, 0x1E, 0x24, 0x1E} },
	{LCM_SEND(31),		{29, 0x00, 0xF5, 0x5A, 0x62, 0xB9, 0x21, 0x35, 0x55, 0x06, 0x08, 0x00, 0x39, 0x00, 0x00, 0x0B,
			0x4B, 0xC4, 0xCB, 0x4B, 0x12, 0x12, 0x1A, 0x00, 0x10, 0xE0, 0xE2, 0x0E, 0x34, 0x34, 0x03} },
	{LCM_SEND(20),		{18, 0x00, 0xFE, 0x00, 0x02, 0x01, 0x39, 0x60, 0x40, 0x21, 0x00, 0x4B, 0x00, 0x80, 0x00, 0xF0,
			0x00, 0x00, 0x00, 0x02} },
	{LCM_SEND(13),		{11, 0x00, 0xEE, 0x86, 0x00, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
	{LCM_SEND(24),		{22, 0x00, 0xEF, 0x34, 0x12, 0x00, 0x00, 0x0A, 0x29, 0x08, 0x27, 0x21, 0x40, 0x10, 0x28, 0x02,
			 0x21, 0x21, 0x03, 0x03, 0x40, 0x00, 0x00, 0x00} }, 
	{LCM_SEND(33),		{31, 0x00, 0xF7, 0x02, 0x1B, 0x1A, 0x00, 0x01, 0x0D, 0x0D, 0x09, 0x09, 0x0C, 0x0C, 0x08, 0x08,
			0x04, 0x06, 0x02, 0x1B, 0x1A, 0x00, 0x01, 0x0F, 0x0F, 0x0B, 0x0B, 0x0E, 0x0E, 0x0A, 0x0A, 0x05, 0x07} },
	{LCM_SEND(9),		{7, 0x00, 0xF6, 0x63, 0x25, 0x15, 0x00, 0x00, 0x2E} },  
	{LCM_SEND(2),		{0x36, 0x10} },
	{LCM_SEND(20),		{18, 0x00, 0xFA, 0x00, 0x3F, 0x09, 0x10, 0x08, 0x0D, 0x12, 0x12, 0x12, 0x18, 0x1B, 0x1B, 0x1D, 0x1E, 0x21, 0x25, 0x2D} },
	{LCM_SEND(20),		{18, 0x00, 0xFB, 0x00, 0x3F, 0x09, 0x11, 0x08, 0x0E, 0x13, 0x12, 0x13, 0x19, 0x1B, 0x1C, 0x1D, 0x1E, 0x21, 0x25, 0x2D} },
	{LCM_SEND(10),		{8, 0x00, 0xFD, 0x00, 0x10, 0x11, 0x20, 0x21, 0x1F, 0xCC} },
	{LCM_SEND(5),		{3, 0x00, 0xFC, 0x5A, 0x5A} },
/* display on */
	{LCM_SEND(1),{0x11}},
	{LCM_SLEEP(120)},
	{LCM_SEND(1),{0x29}},
	{LCM_SLEEP(120)},
#endif

};

static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};

static LCM_Init_Code sleep_in[] =  {
	{LCM_SEND(1), {0x28}},
	{LCM_SLEEP(150)}, 	//>150ms
	{LCM_SEND(1), {0x10}},
	{LCM_SLEEP(150)},	//>150ms
};

static LCM_Init_Code sleep_out[] =  {
	{LCM_SEND(1), {0x11}},
	{LCM_SLEEP(120)},//>120ms
	{LCM_SEND(1), {0x29}},
	{LCM_SLEEP(20)}, //>20ms
};
static int32_t s6d77a1_mipi_init(struct panel_spec *self)
{
	int32_t i = 0;
	LCM_Init_Code *init = init_data;
	unsigned int tag;

	mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
	mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

	printk("kernel s6d77a1_mipi_init\n");

	mipi_set_cmd_mode();
	mipi_eotp_set(0,0);

	for(i = 0; i < ARRAY_SIZE(init_data); i++){
		tag = (init->tag >>24);
		if(tag & LCM_TAG_SEND){
			mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK));
			udelay(20);
		}else if(tag & LCM_TAG_SLEEP){
			msleep(init->tag & LCM_TAG_MASK);
		}
		init++;
	}
	mipi_eotp_set(0,0);

	return 0;
}

static uint32_t s6d77a1_readid(struct panel_spec *self)
	{
	uint8_t j =0;
	uint8_t read_data[4] = {0};
	int32_t read_rtn = 0;
	uint8_t param[2] = {0};
	mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
	mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;
	mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;
	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

	LCD_PRINT("lcd_s6d77a1_mipi read id!\n");

	mipi_set_cmd_mode();
	mipi_eotp_set(0,0);

	for(j = 0; j < 4; j++){
		param[0] = 0x03;
		param[1] = 0x00;
		mipi_force_write(0x37, param, 2);
		read_rtn = mipi_force_read(0x04, 3, read_data);
		LCD_PRINT("lcd_s6d77a1_mipi read id 0xda, 0xdb,0xdc is 0x%x,0x%x,0x%x!\n",
				read_data[0], read_data[1], read_data[2]);
		if ((0x55 == read_data[0]) && (0xB8 == read_data[1])
				&& (0x10 == read_data[2])) {
			LCD_PRINT("lcd_s6d77a1_mipi read id success!\n");
			return 0x55b810;
		}
	}

	mipi_eotp_set(0,0);

	LCD_PRINT("lcd_s6d77a1_mipi read id failed!\n");
	return 0;

}


static int32_t s6d77a1_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
{
	int32_t i = 0;
	LCM_Init_Code *sleep_in_out = NULL;
	unsigned int tag;
	int32_t size = 0;

	mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
	mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
	mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;

	printk("kernel s6d77a1_enter_sleep, is_sleep = %d\n", is_sleep);

	if(is_sleep){
		sleep_in_out = sleep_in;
		size = ARRAY_SIZE(sleep_in);
	}else{
		sleep_in_out = sleep_out;
		size = ARRAY_SIZE(sleep_out);
	}

	mipi_set_cmd_mode();
	mipi_eotp_set(0,0);

	for(i = 0; i <size ; i++){
		tag = (sleep_in_out->tag >>24);
		if(tag & LCM_TAG_SEND){
			mipi_dcs_write(sleep_in_out->data, (sleep_in_out->tag & LCM_TAG_MASK));
		}else if(tag & LCM_TAG_SLEEP){
			msleep(sleep_in_out->tag & LCM_TAG_MASK);
		}
		sleep_in_out++;
	}
	mipi_eotp_set(0,0);

	return 0;
}

static struct panel_operations lcd_s6d77a1_mipi_operations = {
	.panel_init = s6d77a1_mipi_init,
	.panel_readid = s6d77a1_readid,
	.panel_enter_sleep = s6d77a1_enter_sleep,
};

static struct timing_rgb lcd_s6d77a1_mipi_timing = {
	.hfp = 84,  /* unit: pixel */
	.hbp = 90,
	.hsync = 40,
	.vfp = 16, /* unit: line */
	.vbp = 12,
	.vsync = 4,
};


static struct info_mipi lcd_s6d77a1_mipi_info = {
	.work_mode  = SPRDFB_MIPI_MODE_VIDEO,
	.video_bus_width = 24, /*18,16*/
	.lan_number = 	2,
	.phy_feq =481*1000,
	.h_sync_pol = SPRDFB_POLARITY_POS,
	.v_sync_pol = SPRDFB_POLARITY_POS,
	.de_pol = SPRDFB_POLARITY_POS,
	.te_pol = SPRDFB_POLARITY_POS,
	.color_mode_pol = SPRDFB_POLARITY_NEG,
	.shut_down_pol = SPRDFB_POLARITY_NEG,
	.timing = &lcd_s6d77a1_mipi_timing,
	.ops = NULL,
};

struct panel_spec lcd_s6d77a1_mipi_spec = {
	.width = 480,
	.height = 800,
	.fps	= 60,
	.type = LCD_MODE_DSI,
	.direction = LCD_DIRECT_NORMAL,
	.is_clean_lcd = true,
	.info = {
		.mipi = &lcd_s6d77a1_mipi_info
	},
	.ops = &lcd_s6d77a1_mipi_operations,
};
struct panel_cfg lcd_s6d77a1_mipi = {
	/* this panel can only be main lcd */
	.dev_id = SPRDFB_MAINLCD_ID,
	.lcd_id = 0x55b810,
	.lcd_name = "lcd_s6d77a1_mipi",
	.panel = &lcd_s6d77a1_mipi_spec,
};


static int __init lcd_s6d77a1_mipi_init(void)
{
	return sprdfb_panel_register(&lcd_s6d77a1_mipi);
}

subsys_initcall(lcd_s6d77a1_mipi_init);