drivers/video/sprdfb/lcd/lcd_otm1283a_mipi.c

   1 /* drivers/video/sprdfb/lcd_ssd2075_mipi.c\r
   2  *\r
   3  * Support for ssd2075 mipi LCD device\r
   4  *\r
   5  * Copyright (C) 2010 Spreadtrum\r
   6  *\r
   7  * This software is licensed under the terms of the GNU General Public\r
   8  * License version 2, as published by the Free Software Foundation, and\r
   9  * may be copied, distributed, and modified under those terms.\r
  10  *\r
  11  * This program is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  */\r
  16 \r
  17 #include <asm/arch/sprd_lcd.h>\r
  18 #include "../sprdfb.h"\r
  19 \r
  20 #define printk printf\r
  21 \r
  22 #define  LCD_DEBUG\r
  23 //#define THREE_LANE_SUPPORT\r
  24 \r
  25 #ifdef LCD_DEBUG\r
  26 #define LCD_PRINT printk\r
  27 #else\r
  28 #define LCD_PRINT(...)\r
  29 #endif\r
  30 \r
  31 #define MAX_DATA   48\r
  32 typedef struct LCM_Init_Code_tag {\r
  33         unsigned int tag;\r
  34         unsigned char data[MAX_DATA];\r
  35 }LCM_Init_Code;\r
  36 \r
  37 typedef struct LCM_force_cmd_code_tag{\r
  38         unsigned int datatype;\r
  39         LCM_Init_Code real_cmd_code;\r
  40 }LCM_Force_Cmd_Code;\r
  41 \r
  42 #define LCM_TAG_SHIFT 24\r
  43 #define LCM_TAG_MASK  ((1 << 24) -1)\r
  44 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)\r
  45 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)\r
  46 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))\r
  47 \r
  48 #define LCM_TAG_SEND  (1<< 0)\r
  49 #define LCM_TAG_SLEEP (1 << 1)\r
  50 \r
  51 \r
  52 static LCM_Force_Cmd_Code rd_prep_code[]={\r
  53         {0x37, {LCM_SEND(2), {0x5, 0}}},\r
  54 };\r
  55 \r
  56 static LCM_Init_Code init_data[] = {\r
  57         {LCM_SEND(2),{0x00,0x00}},\r
  58         {LCM_SEND(6),{4,0,0xFF,0x12,0x83,0x01}},\r
  59         {LCM_SEND(2),{0x00,0x80}},\r
  60 \r
  61         {LCM_SEND(5),{3,0,0xFF,0x12,0x83}},\r
  62 \r
  63 #ifdef THREE_LANE_SUPPORT\r
  64         {LCM_SEND(2),{0x00,0x92}},\r
  65         {LCM_SEND(5),{3,0,0xFF,0x20,0x02}},\r
  66 #endif\r
  67         //---------------PANEL setting -----------//\r
  68         {LCM_SEND(2),{0x00,0x80}},\r
  69         {LCM_SEND(10),{8,0,0xC0,0x00,0x64,0x00,0x10,0x10,0x00,0x64}},\r
  70         {LCM_SEND(2),{0x00,0x87}},\r
  71         {LCM_SEND(5),{3,0,0xC0,0x10,0x10}},\r
  72         {LCM_SEND(2),{0x00,0x90}},\r
  73         {LCM_SEND(9),{7,0,0xC0,0x00,0x5C,0x00,0x01,0x00,0x04}},\r
  74         {LCM_SEND(2),{0x00,0xA4}},\r
  75         {LCM_SEND(2),{0xC0,0x22}},\r
  76         {LCM_SEND(2),{0x00,0xB3}},\r
  77         {LCM_SEND(5),{3,0,0xC0,0x00,0x50}},\r
  78         {LCM_SEND(2),{0x00,0xB4}},\r
  79         {LCM_SEND(2),{0xC0,0x55}},\r
  80         {LCM_SEND(2),{0x00,0x81}},\r
  81         //if(!TC358768_Gen_write_1A_1P(0xC1,0x55)) return -1;//xufei 2013-08-26 delete\r
  82         //or\r
  83         {LCM_SEND(2),{0xC1,0x66}},\r
  84         {LCM_SEND(2),{0x00,0x90}},\r
  85         {LCM_SEND(2),{0xC4,0x49}},\r
  86         {LCM_SEND(2),{0x00,0x00}},\r
  87         {LCM_SEND(2),{0x35,0x01}},\r
  88         {LCM_SEND(2),{0x00,0x00}},\r
  89         {LCM_SEND(2),{0x36,0x00}},\r
  90         //-----------------POWER SETTING-----------------\r
  91         {LCM_SEND(2),{0x00,0xA0}},\r
  92         {LCM_SEND(10),{8,0,0xC4,0x05,0x10,0x06,0x02,0x05,0x15,0x10}},\r
  93         {LCM_SEND(2),{0x00,0xA7}},\r
  94         {LCM_SEND(10),{8,0,0xC4,0x05,0x10,0x07,0x02,0x05,0x15,0x10}},\r
  95         {LCM_SEND(2),{0x00,0xB0}},\r
  96         {LCM_SEND(5),{3,0,0xC4,0x00,0x00}},\r
  97         {LCM_SEND(2),{0x00,0x91}},\r
  98         {LCM_SEND(5),{3,0,0xC5,0x46,0x40}},\r
  99         {LCM_SEND(2),{0x00,0x00}},\r
 100         {LCM_SEND(5),{3,0,0xD8,0xC7,0xC7}},\r
 101         {LCM_SEND(2),{0x00,0x00}},\r
 102         {LCM_SEND(2),{0xD9,0x6B}},\r
 103         {LCM_SEND(2),{0x00,0x81}},\r
 104         {LCM_SEND(2),{0xC4,0x82}},\r
 105         {LCM_SEND(2),{0x00,0xB0}},\r
 106 \r
 107         //if(!TC358768_Gen_write_1A_2P(0xC5,0x04,0xB8)) return -1;//xufei 2013-08-26 delete\r
 108         //or\r
 109         {LCM_SEND(5),{3,0,0xC5,0x04,0x58}},\r
 110         {LCM_SEND(2),{0x00,0xBB}},\r
 111         {LCM_SEND(2),{0xC5,0x80}},\r
 112         {LCM_SEND(2),{0x00,0x82}},\r
 113         {LCM_SEND(2),{0xC4,0x02}},\r
 114         {LCM_SEND(2),{0x00,0xC6}},\r
 115         {LCM_SEND(2),{0xB0,0x03}},\r
 116         {LCM_SEND(2),{0x00,0xB1}},\r
 117         {LCM_SEND(2),{0xC6,0x03}},\r
 118         //-----------------CONTROL SETTING---------------\r
 119         {LCM_SEND(2),{0x00,0x00}},\r
 120         {LCM_SEND(2),{0xD0,0x40}},\r
 121         {LCM_SEND(2),{0x00,0x00}},\r
 122         {LCM_SEND(5),{3,0,0xD1,0x00,0x00}},\r
 123         //-----------------PANEL TIMING STATE-------------------\r
 124         {LCM_SEND(2),{0x00,0x80}},\r
 125         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 126         {LCM_SEND(2),{0x00,0x87}},\r
 127         {LCM_SEND(6),{4,0,0xCB,0x00,0x00,0x00,0x00}},\r
 128         {LCM_SEND(2),{0x00,0x90}},\r
 129         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 130         {LCM_SEND(2),{0x00,0x97}},\r
 131         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 132         {LCM_SEND(2),{0x00,0x9E}},\r
 133         {LCM_SEND(2),{0xCB,0x00}},\r
 134         {LCM_SEND(2),{0x00,0xA0}},\r
 135         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 136         {LCM_SEND(2),{0x00,0xA7}},\r
 137         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 138         {LCM_SEND(2),{0x00,0xAE}},\r
 139         {LCM_SEND(2),{0xCB,0x00}},\r
 140         {LCM_SEND(2),{0x00,0xB0}},\r
 141         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 142         {LCM_SEND(2),{0x00,0xB7}},\r
 143         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 144         {LCM_SEND(2),{0x00,0xBE}},\r
 145         {LCM_SEND(2),{0xCB,0x00}},\r
 146         {LCM_SEND(2),{0x00,0xC0}},\r
 147         {LCM_SEND(10),{8,0,0xCB,0x05,0x05,0x05,0x05,0x05,0x05,0x00}},\r
 148         {LCM_SEND(2),{0x00,0xC7}},\r
 149         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x05,0x05,0x00,0x05}},\r
 150         {LCM_SEND(2),{0x00,0xCE}},\r
 151         {LCM_SEND(2),{0xCB,0x05}},\r
 152         {LCM_SEND(2),{0x00,0xD0}},\r
 153         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 154         {LCM_SEND(2),{0x00,0xD7}},\r
 155         {LCM_SEND(10),{8,0,0xCB,0x05,0x05,0x05,0x05,0x05,0x05,0x00}},\r
 156         {LCM_SEND(2),{0x00,0xDE}},\r
 157         {LCM_SEND(2),{0xCB,0x00}},\r
 158         {LCM_SEND(2),{0x00,0xE0}},\r
 159         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x05,0x05,0x00,0x05,0x05}},\r
 160         {LCM_SEND(2),{0x00,0xE7}},\r
 161         {LCM_SEND(10),{8,0,0xCB,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 162         {LCM_SEND(2),{0x00,0xF0}},\r
 163         {LCM_SEND(10),{8,0,0xCB,0xff,0xff,0xff,0xff,0xff,0xff,0xff}},\r
 164         {LCM_SEND(2),{0x00,0xF7}},\r
 165         {LCM_SEND(6),{4,0,0xCB,0xff,0xff,0xff,0xff}},\r
 166         //--------------PANEL PAD MAPPING-------------\r
 167         {LCM_SEND(2),{0x00,0x80}},\r
 168         {LCM_SEND(10),{8,0,0xCC,0x0E,0x10,0x0A,0x0C,0x02,0x04,0x00}},\r
 169         {LCM_SEND(2),{0x00,0x87}},\r
 170         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x00,0x2E,0x2D,0x00,0x29}},\r
 171         {LCM_SEND(2),{0x00,0x8E}},\r
 172         {LCM_SEND(2),{0xCC,0x2A}},\r
 173         {LCM_SEND(2),{0x00,0x90}},\r
 174         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 175         {LCM_SEND(2),{0x00,0x97}},\r
 176         {LCM_SEND(10),{8,0,0xCC,0x0D,0x0F,0x09,0x0B,0x01,0x03,0x00}},\r
 177         {LCM_SEND(2),{0x00,0x9E}},\r
 178         {LCM_SEND(2),{0xCC,0x00}},\r
 179 \r
 180         {LCM_SEND(2),{0x00,0xA0}},\r
 181         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x2E,0x2D,0x00,0x29,0x2A}},\r
 182         {LCM_SEND(2),{0x00,0xA7}},\r
 183         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 184         {LCM_SEND(2),{0x00,0xB0}},\r
 185         {LCM_SEND(10),{8,0,0xCC,0x0B,0x09,0x0F,0x0D,0x03,0x01,0x00}},\r
 186         {LCM_SEND(2),{0x00,0xB7}},\r
 187         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x00,0x2D,0x2E,0x00,0x29}},\r
 188         {LCM_SEND(2),{0x00,0xBE}},\r
 189         {LCM_SEND(2),{0xCC,0x2A}},\r
 190         {LCM_SEND(2),{0x00,0xC0}},\r
 191         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 192         {LCM_SEND(2),{0x00,0xC7}},\r
 193         {LCM_SEND(10),{8,0,0xCC,0x0C,0x0A,0x10,0x0E,0x04,0x02,0x00}},\r
 194         {LCM_SEND(2),{0x00,0xCE}},\r
 195         {LCM_SEND(2),{0xCC,0x00}},\r
 196         {LCM_SEND(2),{0x00,0xD0}},\r
 197         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x2D,0x2E,0x00,0x29,0x2A}},\r
 198         {LCM_SEND(2),{0x00,0xD7}},\r
 199         {LCM_SEND(10),{8,0,0xCC,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 200         //-----------PANEL TIMING SETTING\r
 201         {LCM_SEND(2),{0x00,0x80}},\r
 202         {LCM_SEND(10),{8,0,0xCE,0x8B,0x03,0x18,0x8A,0x03,0x18,0x89}},\r
 203         {LCM_SEND(2),{0x00,0x87}},\r
 204         {LCM_SEND(8),{6,0,0xCE,0x03,0x18,0x88,0x03,0x18}},\r
 205         {LCM_SEND(2),{0x00,0x90}},\r
 206     {LCM_SEND(10),{8,0,0xCE,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 207         {LCM_SEND(2),{0x00,0x97}},\r
 208         {LCM_SEND(10),{8,0,0xCE,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 209         {LCM_SEND(2),{0x00,0xA0}},\r
 210     {LCM_SEND(10),{8,0,0xCE,0x38,0x07,0x05,0x00,0x00,0x48,0x00}},\r
 211         {LCM_SEND(2),{0x00,0xA7}},\r
 212         {LCM_SEND(10),{8,0,0xCE,0x38,0x06,0x05,0x01,0x00,0x48,0x00}},\r
 213         {LCM_SEND(2),{0x00,0xB0}},\r
 214     {LCM_SEND(10),{8,0,0xCE,0x38,0x05,0x05,0x02,0x00,0x48,0x00}},\r
 215         {LCM_SEND(2),{0x00,0xB7}},\r
 216         {LCM_SEND(10),{8,0,0xCE,0x38,0x04,0x05,0x03,0x00,0x48,0x00}},\r
 217         {LCM_SEND(2),{0x00,0xC0}},\r
 218         {LCM_SEND(10),{8,0,0xCE,0x38,0x03,0x05,0x04,0x00,0x48,0x00}},\r
 219         {LCM_SEND(2),{0x00,0xC7}},\r
 220         {LCM_SEND(10),{8,0,0xCE,0x38,0x02,0x05,0x05,0x00,0x48,0x00}},\r
 221         {LCM_SEND(2),{0x00,0xD0}},\r
 222         {LCM_SEND(10),{8,0,0xCE,0x38,0x01,0x05,0x06,0x00,0x48,0x00}},\r
 223         {LCM_SEND(2),{0x00,0xD7}},\r
 224         {LCM_SEND(10),{8,0,0xCE,0x38,0x00,0x05,0x07,0x00,0x48,0x00}},\r
 225         {LCM_SEND(2),{0x00,0x80}},\r
 226         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 227         {LCM_SEND(2),{0x00,0x87}},\r
 228         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 229         {LCM_SEND(2),{0x00,0x90}},\r
 230         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 231         {LCM_SEND(2),{0x00,0x97}},\r
 232         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 233         {LCM_SEND(2),{0x00,0xA0}},\r
 234         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 235         {LCM_SEND(2),{0x00,0xA7}},\r
 236         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 237         {LCM_SEND(2),{0x00,0xB0}},\r
 238         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 239         {LCM_SEND(2),{0x00,0xB7}},\r
 240         {LCM_SEND(10),{8,0,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00}},\r
 241         {LCM_SEND(2),{0x00,0xC0}},\r
 242         {LCM_SEND(10),{8,0,0xCF,0x02,0x01,0x20,0x20,0x00,0x00,0x01}},\r
 243         {LCM_SEND(2),{0x00,0xC7}},\r
 244         {LCM_SEND(6),{4,0,0xCF,0x81,0x00,0x03,0x08}},\r
 245         {LCM_SEND(2),{0x00,0xB5}},\r
 246         {LCM_SEND(9),{7,0,0xC5,0x00,0x6F,0xFF,0x00,0x6F,0xFF}},\r
 247         //-----------------FOR POWER IC--------------------------\r
 248         {LCM_SEND(2),{0x00,0x90}},\r
 249         {LCM_SEND(6),{4,0,0xF5,0x02,0x11,0x02,0x11}},\r
 250         {LCM_SEND(2),{0x00,0x90}},\r
 251         {LCM_SEND(2),{0xC5,0x50}},\r
 252         {LCM_SEND(2),{0x00,0x94}},\r
 253         {LCM_SEND(2),{0xC5,0x66}},\r
 254         //-----------------VGL01/02----------------------------------\r
 255         {LCM_SEND(2),{0x00,0xB2}},\r
 256         {LCM_SEND(5),{3,0,0xF5,0x00,0x00}},\r
 257         {LCM_SEND(2),{0x00,0xB4}},\r
 258         {LCM_SEND(5),{3,0,0xF5,0x00,0x00}},\r
 259         {LCM_SEND(2),{0x00,0xB6}},\r
 260         {LCM_SEND(5),{3,0,0xF5,0x00,0x00}},\r
 261         {LCM_SEND(2),{0x00,0xB8}},\r
 262         {LCM_SEND(5),{3,0,0xF5,0x00,0x00}},\r
 263         {LCM_SEND(2),{0x00,0x94}},\r
 264         {LCM_SEND(2),{0xF5,0x02}},\r
 265         {LCM_SEND(2),{0x00,0xBA}},\r
 266         {LCM_SEND(2),{0xF5,0x03}},\r
 267         {LCM_SEND(2),{0x00,0xB4}},\r
 268         {LCM_SEND(2),{0xC5,0xC0}},\r
 269         {LCM_SEND(2),{0x00,0xc6}},\r
 270         {LCM_SEND(2),{0xB0,0x03}},\r
 271         //spread frame range\r
 272         {LCM_SEND(2),{0x00,0xA0}},\r
 273         {LCM_SEND(2),{0xC1,0x02}},\r
 274         {LCM_SEND(2),{0x00,0xA3}},\r
 275         {LCM_SEND(2),{0xC1,0xF0}},\r
 276         //-----------------GAMMA------------------------------\r
 277         {LCM_SEND(2),{0x00,0x00}},\r
 278         {LCM_SEND(10),{8,0,0xE1,0x00,0x0d,0x14,0x0d,0x06,0x0e,0x0a}},\r
 279         {LCM_SEND(10),{8,0,0xE1,0x09,0x05,0x08,0x0f,0x08,0x0f,0x10}},\r
 280         {LCM_SEND(5),{3,0,0xE1,0x0a,0x05}},\r
 281         {LCM_SEND(2),{0x00,0x00}},\r
 282         {LCM_SEND(10),{8,0,0xE2,0x00,0x0d,0x14,0x0d,0x06,0x0e,0x0a}},\r
 283         {LCM_SEND(10),{8,0,0xE2,0x09,0x05,0x08,0x0f,0x08,0x0f,0x10}},\r
 284         {LCM_SEND(5),{3,0,0xE2,0x0a,0x05}},\r
 285 \r
 286         {LCM_SEND(1), {0x11}}, // sleep out\r
 287         {LCM_SLEEP(120)},\r
 288         {LCM_SEND(1), {0x29}}, // display on\r
 289         {LCM_SLEEP(50),}, //30,100\r
 290         {LCM_SEND(1), {0x2C}}, // normal on\r
 291 };\r
 292 \r
 293 \r
 294 static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};\r
 295 static LCM_Init_Code sleep_in =  {LCM_SEND(1), {0x10}};\r
 296 static LCM_Init_Code sleep_out =  {LCM_SEND(1), {0x11}};\r
 297 \r
 298 static int32_t otm1283a_mipi_init(struct panel_spec *self)\r
 299 {\r
 300         int32_t i;\r
 301         LCM_Init_Code *init = init_data;\r
 302         unsigned int tag;\r
 303 \r
 304         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 305         mipi_gen_write_t mipi_gen_write = self->info.mipi->ops->mipi_gen_write;\r
 306         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 307 \r
 308         LCD_PRINT("otm1283a_mipi_init\n");\r
 309 \r
 310         mipi_set_cmd_mode();\r
 311         mipi_eotp_set(1,0);\r
 312 \r
 313         for(i = 0; i < ARRAY_SIZE(init_data); i++){\r
 314                 tag = (init->tag >>24);\r
 315                 if(tag & LCM_TAG_SEND){\r
 316                         mipi_gen_write(init->data, (init->tag & LCM_TAG_MASK));\r
 317                         udelay(20);\r
 318                 }else if(tag & LCM_TAG_SLEEP){\r
 319                         mdelay((init->tag & LCM_TAG_MASK));\r
 320                 }\r
 321                 init++;\r
 322         }\r
 323         mipi_eotp_set(1,1);\r
 324         return 0;\r
 325 }\r
 326 \r
 327 static uint32_t otm1283a_readid(struct panel_spec *self)\r
 328 {\r
 329         /*Jessica TODO: need read id*/\r
 330         int32_t i = 0;\r
 331         uint32 j =0;\r
 332         LCM_Force_Cmd_Code * rd_prepare = rd_prep_code;\r
 333         uint8_t read_data[5] = {0};\r
 334         int32_t read_rtn = 0;\r
 335         unsigned int tag = 0;\r
 336 \r
 337         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 338         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;\r
 339         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;\r
 340         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 341 \r
 342         LCD_PRINT("lcd_otm1283a_mipi read id!\n");\r
 343 \r
 344         mipi_set_cmd_mode();\r
 345         mipi_eotp_set(1,0);\r
 346 \r
 347         for(j = 0; j < 4; j++){\r
 348                 rd_prepare = rd_prep_code;\r
 349                 for(i = 0; i < ARRAY_SIZE(rd_prep_code); i++){\r
 350                         tag = (rd_prepare->real_cmd_code.tag >> 24);\r
 351                         if(tag & LCM_TAG_SEND){\r
 352                                 mipi_force_write(rd_prepare->datatype, rd_prepare->real_cmd_code.data, (rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));\r
 353                         }else if(tag & LCM_TAG_SLEEP){\r
 354                                 mdelay((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));\r
 355                         }\r
 356                         rd_prepare++;\r
 357                 }\r
 358 \r
 359                 read_rtn = mipi_force_read(0xa1, 5,(uint8_t *)read_data);\r
 360                 LCD_PRINT("lcd_otm1283a_mipi read id 0xa1 value is 0x%x, 0x%x, 0x%x, 0x%x, 0x%x!\n",\r
 361                         read_data[0], read_data[1], read_data[2], read_data[3], read_data[4]);\r
 362 \r
 363                 mipi_eotp_set(1,1);\r
 364 \r
 365                 if((0x01 == read_data[0])&&(0x8b == read_data[1])&&(0x12 == read_data[2])&&(0x83 == read_data[3])&&(0xff == read_data[4])){\r
 366                         LCD_PRINT("lcd_otm1283a_mipi read id success!\n");\r
 367                         return 0x1283;\r
 368                 }\r
 369         }\r
 370 \r
 371         printk("lcd_otm1283a_mipi identify fail!\n");\r
 372         return 0x0;\r
 373 }\r
 374 \r
 375 static struct panel_operations lcd_otm1283a_mipi_operations = {\r
 376         .panel_init = otm1283a_mipi_init,\r
 377         .panel_readid = otm1283a_readid,\r
 378 };\r
 379 \r
 380 static struct timing_rgb lcd_otm1283a_mipi_timing = {\r
 381         .hfp =32,\r
 382         .hbp = 4,\r
 383         .hsync =8,\r
 384         .vfp = 17,\r
 385         .vbp = 18,\r
 386         .vsync = 7,\r
 387 };\r
 388 \r
 389 static struct info_mipi lcd_otm1283a_mipi_info = {\r
 390         .work_mode                              = SPRDFB_MIPI_MODE_VIDEO,\r
 391         .video_bus_width                = 24, /*18,16*/\r
 392 #ifdef THREE_LANE_SUPPORT\r
 393         .lan_number                             = 3,\r
 394         .phy_feq                                = 550*1000,\r
 395 #else\r
 396         .lan_number                             = 4,\r
 397         .phy_feq                                = 500*1000,\r
 398 #endif\r
 399         .h_sync_pol                             = SPRDFB_POLARITY_POS,\r
 400         .v_sync_pol                             = SPRDFB_POLARITY_POS,\r
 401         .de_pol                                 = SPRDFB_POLARITY_POS,\r
 402         .te_pol                                 = SPRDFB_POLARITY_POS,\r
 403         .color_mode_pol                 = SPRDFB_POLARITY_NEG,\r
 404         .shut_down_pol                  = SPRDFB_POLARITY_NEG,\r
 405         .timing                                 = &lcd_otm1283a_mipi_timing,\r
 406         .ops                                    = NULL,\r
 407 };\r
 408 \r
 409 struct panel_spec lcd_otm1283a_mipi_spec = {\r
 410         .width                                  = 720,\r
 411         .height                                 = 1280,\r
 412         .fps                                    = 60,\r
 413         .type                                   = LCD_MODE_DSI,\r
 414         .direction                              = LCD_DIRECT_NORMAL,\r
 415         .info = {\r
 416                 .mipi                           = &lcd_otm1283a_mipi_info\r
 417         },\r
 418         .ops                                    = &lcd_otm1283a_mipi_operations,\r
 419 };\r
 420 \r
 421 \r
 422 \r