drivers/video/sprdfb/lcd/lcd_nt35516_mipi.c

   1 /* drivers/video/sc8825/lcd_nt35516_mipi.c
   2  *
   3  * Support for nt35516 mipi LCD device
   4  *
   5  * Copyright (C) 2010 Spreadtrum
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <asm/arch/sprd_lcd.h>
  18 #include "../sprdfb.h"
  19
  20 #define printk printf
  21
  22 #define  LCD_DEBUG
  23 #ifdef LCD_DEBUG
  24 #define LCD_PRINT printk
  25 #else
  26 #define LCD_PRINT(...)
  27 #endif
  28
  29 #define MAX_DATA   48
  30
  31 typedef struct LCM_Init_Code_tag {
  32         unsigned int tag;
  33         unsigned char data[MAX_DATA];
  34 }LCM_Init_Code;
  35
  36 typedef struct LCM_force_cmd_code_tag{
  37         unsigned int datatype;
  38         LCM_Init_Code real_cmd_code;
  39 }LCM_Force_Cmd_Code;
  40
  41 #define LCM_TAG_SHIFT 24
  42 #define LCM_TAG_MASK  ((1 << 24) -1)
  43 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)
  44 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)
  45 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))
  46
  47 #define LCM_TAG_SEND  (1<< 0)
  48 #define LCM_TAG_SLEEP (1 << 1)
  49
  50 static LCM_Init_Code init_data[] = {
  51
  52 // NT35516, LGD
  53 // VCC=2.8V, IOVCC=1.8V
  54 {LCM_SEND(7), {5, 0, 0xFF,0xAA,0x55,0x25,0x01}},
  55 {LCM_SEND(38), {36, 0, 0xF2,0x00,0x00,0x4A,0x0A,0xA8,0x00,0x00,
  56         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0B,
  57         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,
  58         0x01,0x51,0x00,0x01,0x00,0x01}},
  59 {LCM_SEND(10), {8, 0, 0xF3,0x02,0x03,0x07,0x45,0x88,0xD1,0x0D}},
  60 // Manufacture Command Set for Page 0
  61 {LCM_SEND(8), {6, 0, 0xF0,0x55,0xAA,0x52,0x08,0x00}},
  62 /*
  63 #if defined(CONFIG_SP8830EC)||defined(CONFIG_SP7730EC) || defined(CONFIG_SP5735) || defined(CONFIG_SP5735C1) || defined(CONFIG_SP7730ECTRISIM) || defined(CONFIG_SC9620OPENPHONE) || defined(CONFIG_SC9620FPGA) || defined(CONFIG_SP8830GA) || defined(CONFIG_SP7730GA) || defined(CONFIG_SP8830GEA) || defined(CONFIG_SP8730SEA) || defined(CONFIG_SP7730EEA_FPGA) || defined(CONFIG_SP8730SEEA) || defined(CONFIG_SP8730SEEA_QHD) || defined(CONFIG_SP8730SEEA_JIG) || defined(CONFIG_SP8730SEEA_JIGBOARD)  || defined(CONFIG_SP7730GGA) || defined(CONFIG_SP7731GGA_LC) || defined(CONFIG_SP7730GGA_LC) || defined(CONFIG_SP7731GEA) || defined(CONFIG_SP7731GEA_FWVGA) || defined(CONFIG_SP7731GEAOPENPHONE) || defined(CONFIG_SP7731GEA_LC) || defined (CONFIG_SP7730GGAOPENPHONE) || defined(CONFIG_TSHARKWSAMSUNG) || defined(CONFIG_PIKEAYOUNG2DTV) || defined(CONFIG_PIKEAYOUNG2) || defined(CONFIG_PIKEAVIVALTOVE) || defined(CONFIG_PIKEAVIVALTOVE_3M) || defined(CONFIG_PIKEAVIVALTOVE_3M_MARLIN)
  64 */
  65 #ifndef CONFIG_LCD_ROTATION_0
  66 {LCM_SEND(6), {4, 0, 0xB1,0x7C,0x06,0x00}}, // command/video mode,rotate 180
  67 #else
  68 {LCM_SEND(6), {4, 0, 0xB1,0x7C,0x00,0x00}}, // command/video mode
  69 #endif
  70 {LCM_SEND(7), {5, 0, 0xB8,0x01,0x02,0x02,0x02}},
  71 {LCM_SEND(6), {4, 0, 0xBC,0x00,0x00,0x00}},  // inversion
  72 {LCM_SEND(9), {7, 0, 0xC9,0x63,0x06,0x0D,0x1A,0x17,0x00}},
  73 // Manufacture Command Set for Page 1
  74 {LCM_SEND(8), {6, 0, 0xF0,0x55,0xAA,0x52,0x08,0x01}},
  75 {LCM_SEND(6), {4, 0, 0xB0,0x05,0x05,0x05}},
  76 {LCM_SEND(6), {4, 0, 0xB1,0x05,0x05,0x05}},
  77 {LCM_SEND(6), {4, 0, 0xB2,0x01,0x01,0x01}},
  78 {LCM_SEND(6), {4, 0, 0xB3,0x0D,0x0D,0x0D}},
  79 {LCM_SEND(6), {4, 0, 0xB4,0x09,0x09,0x09}},
  80 {LCM_SEND(6), {4, 0, 0xB6,0x44,0x44,0x44}},
  81 {LCM_SEND(6), {4, 0, 0xB7,0x34,0x34,0x34}},
  82 {LCM_SEND(6), {4, 0, 0xB8,0x10,0x10,0x10}},
  83 {LCM_SEND(6), {4, 0, 0xB9,0x36,0x36,0x36}},
  84 {LCM_SEND(6), {4, 0, 0xBA,0x24,0x24,0x24}},
  85 {LCM_SEND(6), {4, 0, 0xBC,0x00,0xD0,0x00}},
  86 {LCM_SEND(6), {4, 0, 0xBD,0x00,0xD0,0x00}},
  87 {LCM_SEND(2), {0xBE,0x5D}},
  88 {LCM_SEND(5), {3, 0, 0xC0,0x04,0x00}},
  89 {LCM_SEND(2), {0xCA,0x00}},
  90 // Gradient Control for Gamma Voltage
  91 {LCM_SEND(7), {5, 0, 0xD0,0x0A,0x10,0x0D,0x0F}},
  92 {LCM_SEND(19), {17, 0, 0xD1,0x00,0xA7,0x01,0x0F,0x01,0x34,0x01,0x49,0x01,0x56,0x01,0x75,0x01,0x8F,0x01,0xB7}},
  93 {LCM_SEND(19), {17, 0, 0xD2,0x01,0xD1,0x02,0x03,0x02,0x23,0x02,0x57,0x02,0x85,0x02,0x87,0x02,0xAA,0x02,0xE1}},
  94 {LCM_SEND(19), {17, 0, 0xD3,0x03,0x04,0x03,0x31,0x03,0x42,0x03,0x6D,0x03,0x83,0x03,0x9C,0x03,0xAA,0x03,0xCD}},
  95 {LCM_SEND(7), {5, 0, 0xD4,0x03,0xEF,0x03,0xFF}},
  96 {LCM_SEND(19), {17, 0, 0xD5,0x00,0xA7,0x01,0x0F,0x01,0x34,0x01,0x49,0x01,0x56,0x01,0x75,0x01,0x8F,0x01,0xB7}},
  97 {LCM_SEND(19), {17, 0, 0xD6,0x01,0xD1,0x02,0x03,0x02,0x23,0x02,0x57,0x02,0x85,0x02,0x87,0x02,0xAA,0x02,0xE1}},
  98 {LCM_SEND(19), {17, 0, 0xD7,0x03,0x04,0x03,0x31,0x03,0x42,0x03,0x6D,0x03,0x83,0x03,0x9C,0x03,0xAA,0x03,0xCD}},
  99 {LCM_SEND(7), {5, 0, 0xD8,0x03,0xEF,0x03,0xFF}},
 100 {LCM_SEND(19), {17, 0, 0xD9,0x00,0xA7,0x01,0x0F,0x01,0x34,0x01,0x49,0x01,0x56,0x01,0x75,0x01,0x8F,0x01,0xB7}},
 101 {LCM_SEND(19), {17, 0, 0xDD,0x01,0xD1,0x02,0x03,0x02,0x23,0x02,0x57,0x02,0x85,0x02,0x87,0x02,0xAA,0x02,0xE1}},
 102 {LCM_SEND(19), {17, 0, 0xDE,0x03,0x04,0x03,0x31,0x03,0x42,0x03,0x6D,0x03,0x83,0x03,0x9C,0x03,0xAA,0x03,0xCD}},
 103 {LCM_SEND(7), {5, 0, 0xDF,0x03,0xEF,0x03,0xFF}},
 104 {LCM_SEND(19), {17, 0, 0xE0,0x00,0xA7,0x01,0x0F,0x01,0x34,0x01,0x49,0x01,0x56,0x01,0x75,0x01,0x8F,0x01,0xB7}},
 105 {LCM_SEND(19), {17, 0, 0xE1,0x01,0xD1,0x02,0x03,0x02,0x23,0x02,0x57,0x02,0x85,0x02,0x87,0x02,0xAA,0x02,0xE1}},
 106 {LCM_SEND(19), {17, 0, 0xE2,0x03,0x04,0x03,0x31,0x03,0x42,0x03,0x6D,0x03,0x83,0x03,0x9C,0x03,0xAA,0x03,0xCD}},
 107 {LCM_SEND(7), {5, 0, 0xE3,0x03,0xEF,0x03,0xFF}},
 108 {LCM_SEND(19), {17, 0, 0xE4,0x00,0xA7,0x01,0x0F,0x01,0x34,0x01,0x49,0x01,0x56,0x01,0x75,0x01,0x8F,0x01,0xB7}},
 109 {LCM_SEND(19), {17, 0, 0xE5,0x01,0xD1,0x02,0x03,0x02,0x23,0x02,0x57,0x02,0x85,0x02,0x87,0x02,0xAA,0x02,0xE1}},
 110 {LCM_SEND(19), {17, 0, 0xE6,0x03,0x04,0x03,0x31,0x03,0x42,0x03,0x6D,0x03,0x83,0x03,0x9C,0x03,0xAA,0x03,0xCD}},
 111 {LCM_SEND(7), {5, 0, 0xE7,0x03,0xEF,0x03,0xFF}},
 112 {LCM_SEND(19), {17, 0, 0xE8,0x00,0xA7,0x01,0x0F,0x01,0x34,0x01,0x49,0x01,0x56,0x01,0x75,0x01,0x8F,0x01,0xB7}},
 113 {LCM_SEND(19), {17, 0, 0xE9,0x01,0xD1,0x02,0x03,0x02,0x23,0x02,0x57,0x02,0x85,0x02,0x87,0x02,0xAA,0x02,0xE1}},
 114 {LCM_SEND(19), {17, 0, 0xEA,0x03,0x04,0x03,0x31,0x03,0x42,0x03,0x6D,0x03,0x83,0x03,0x9C,0x03,0xAA,0x03,0xCD}},
 115 {LCM_SEND(7), {5, 0, 0xEB,0x03,0xEF,0x03,0xFF}},
 116 // User Command Set
 117 {LCM_SEND(2), {0x35,0x00}}, // Tearing Effect On
 118 {LCM_SEND(5), {3, 0, 0x44, 0x03, 0x98}}, //set te scan line to 920
 119 {LCM_SEND(2), {0x3A,0x77}}, // Interface Pixel Format
 120 {LCM_SEND(2), {0x36,0x00}}, // Memory Data Access Control
 121 {LCM_SEND(1), {0x22}}, // all pixel off
 122 {LCM_SEND(1), {0x11}}, // sleep out
 123 {LCM_SLEEP(120)},
 124 {LCM_SEND(1), {0x29}}, // display on
 125 {LCM_SLEEP(100),},
 126 {LCM_SEND(2), {0x13,0x00}}, // normal on
 127
 128
 129 #if 0
 130 {LCM_SEND(7), {0x5, 0, 0xFF, 0xAA, 0x55, 0x25, 0x01}},
 131 {LCM_SEND(7), {0x5, 0, 0xF3, 0x02, 0x03, 0x07, 0x15}},
 132 {LCM_SEND(8), {0x6, 0, 0xF0, 0x55, 0xAA, 0x52, 0x08, 0x00}},
 133 //{LCM_SEND(8), {0x06, 0, 0xF0,0x55,0xAA,0x52,0x08,0x00}},
 134 //{LCM_SEND(8), {0x06, 0, 0xBD,0x02,0xC8,0x14,0x3C,0x01}},
 135 {LCM_SEND(2), {0xB1, 0xFC}},
 136
 137 {LCM_SEND(7), {0x5, 0, 0xB8, 0x01, 0x02, 0x02, 0x02}},
 138 {LCM_SEND(6), {0x4, 0, 0xBC, 0x05, 0x05, 0x05}}, //Zig-Zag Inversion
 139 {LCM_SEND(8), {0x6, 0, 0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01}},
 140 {LCM_SEND(6), {0x4, 0, 0xB0, 0x05, 0x05, 0x05}},
 141 {LCM_SEND(6), {0x4, 0, 0xB1, 0x05, 0x05, 0x05}},
 142 {LCM_SEND(6), {0x4, 0, 0xB6, 0x34, 0x34, 0x34}},
 143 {LCM_SEND(6), {0x4, 0, 0xB7, 0x24, 0x24, 0x24}},
 144 {LCM_SEND(6), {0x4, 0, 0xB3, 0x10, 0x10, 0x10}},
 145 {LCM_SEND(6), {0x4, 0, 0xB9, 0x34, 0x34, 0x34}},
 146 {LCM_SEND(6), {0x4, 0, 0xB4, 0x0A, 0x0A, 0x0A}},
 147 {LCM_SEND(6), {0x4, 0, 0xBA, 0x14, 0x14, 0x14}},
 148 {LCM_SEND(6), {0x4, 0, 0xBC, 0x00, 0xA0, 0x00}},
 149 {LCM_SEND(6), {0x4, 0, 0xBD, 0x00, 0xA0, 0x00}},
 150 {LCM_SEND(2), {0xBE, 0x4E}},
 151
 152 {LCM_SEND(19),{17,  0, 0xD1, 0x00, 0x32, 0x00, 0x41, 0x00, 0x54, 0x00, 0x67, 0x00, 0x7A, 0x00, 0x98, 0x00, 0xB0, 0x00, 0xDB}},
 153 {LCM_SEND(19),{17,  0, 0xD2, 0x01, 0x01, 0x01, 0x3F, 0x01, 0x70, 0x01, 0xB4, 0x01, 0xEC, 0x01, 0xED, 0x02, 0x1E, 0x02, 0x51}},
 154 {LCM_SEND(19),{17,  0, 0xD3, 0x02, 0x6C, 0x02, 0x8D, 0x02, 0xA5, 0x02, 0xC9, 0x02, 0xEA, 0x03, 0x19, 0x03, 0x45, 0x03, 0x7A}},
 155 {LCM_SEND(7), { 5, 0, 0xD4, 0x03, 0xB0, 0x03, 0xF4}},
 156 {LCM_SEND(19),{17,  0, 0xD5, 0x00, 0x32, 0x00, 0x41, 0x00, 0x54, 0x00, 0x67, 0x00, 0x7A, 0x00, 0x98, 0x00, 0xB0, 0x00, 0xDB}},
 157 {LCM_SEND(19),{17,  0, 0xD6, 0x01, 0x01, 0x01, 0x3F, 0x01, 0x70, 0x01, 0xB4, 0x01, 0xEC, 0x01, 0xED, 0x02, 0x1E, 0x02, 0x51}},
 158 {LCM_SEND(19),{17,  0, 0xD7, 0x02, 0x6C, 0x02, 0x8D, 0x02, 0xA5, 0x02, 0xC9, 0x02, 0xEA, 0x03, 0x19, 0x03, 0x45, 0x03, 0x7A}},
 159 {LCM_SEND(7), {0x7, 0, 0xD8, 0x03, 0xB0, 0x03, 0xF4}},
 160 {LCM_SEND(19),{17,  0, 0xD9, 0x00, 0x32, 0x00, 0x41, 0x00, 0x54, 0x00, 0x67, 0x00, 0x7A, 0x00, 0x98, 0x00, 0xB0, 0x00, 0xDB}},
 161 {LCM_SEND(19),{17,  0,0xDD, 0x01, 0x01, 0x01, 0x3F, 0x01, 0x70, 0x01, 0xB4, 0x01, 0xEC, 0x01, 0xED, 0x02, 0x1E, 0x02, 0x51}},
 162 {LCM_SEND(19),{17, 0, 0xDE, 0x02, 0x6C, 0x02, 0x8D, 0x02, 0xA5, 0x02, 0xC9, 0x02, 0xEA, 0x03, 0x19, 0x03, 0x45, 0x03, 0x7A}},
 163 {LCM_SEND(7), {0x5, 0, 0xDF, 0x03, 0xB0, 0x03, 0xF4}},
 164 {LCM_SEND(19),{17,  0, 0xE0, 0x00, 0x32, 0x00, 0x41, 0x00, 0x54, 0x00, 0x67, 0x00, 0x7A, 0x00, 0x98, 0x00, 0xB0, 0x00, 0xDB}},
 165 {LCM_SEND(19),{17,  0 ,0xE1, 0x01, 0x01, 0x01, 0x3F, 0x01, 0x70, 0x01, 0xB4, 0x01, 0xEC, 0x01, 0xED, 0x02, 0x1E, 0x02, 0x51}},
 166 {LCM_SEND(19),{17,  0,0xE2, 0x02, 0x6C, 0x02, 0x8D, 0x02, 0xA5, 0x02, 0xC9, 0x02, 0xEA, 0x03, 0x19, 0x03, 0x45, 0x03, 0x7A}},
 167 {LCM_SEND(7), {5, 0, 0xE3, 0x03, 0xB0, 0x03, 0xF4}},
 168 {LCM_SEND(19),{17,  0, 0xE4, 0x00, 0x32, 0x00, 0x41, 0x00, 0x54, 0x00, 0x67, 0x00, 0x7A, 0x00, 0x98, 0x00, 0xB0, 0x00, 0xDB}},
 169 {LCM_SEND(19),{17,  0,0xE5, 0x01, 0x01, 0x01, 0x3F, 0x01, 0x70, 0x01, 0xB4, 0x01, 0xEC, 0x01, 0xED, 0x02, 0x1E, 0x02, 0x51}},
 170 {LCM_SEND(19),{17,  0, 0xE6, 0x02, 0x6C, 0x02, 0x8D, 0x02, 0xA5, 0x02, 0xC9, 0x02, 0xEA, 0x03, 0x19, 0x03, 0x45, 0x03, 0x7A}},
 171 {LCM_SEND(7), {5, 0, 0xE7, 0x03, 0xB0, 0x03, 0xF4}},
 172 {LCM_SEND(19),{17 , 0, 0xE8, 0x00, 0x32, 0x00, 0x41, 0x00, 0x54, 0x00, 0x67, 0x00, 0x7A, 0x00, 0x98, 0x00, 0xB0, 0x00, 0xDB}},
 173 {LCM_SEND(19),{17,  0, 0xE9, 0x01, 0x01, 0x01, 0x3F, 0x01, 0x70, 0x01, 0xB4, 0x01, 0xEC, 0x01, 0xED, 0x02, 0x1E, 0x02, 0x51}},
 174 {LCM_SEND(19),{17,  0, 0xEA, 0x02, 0x6C, 0x02, 0x8D, 0x02, 0xA5, 0x02, 0xC9, 0x02, 0xEA, 0x03, 0x19, 0x03, 0x45, 0x03, 0x7A}},
 175 {LCM_SEND(7), {0x5, 0, 0xEB, 0x03, 0xB0, 0x03, 0xF4}},
 176 {LCM_SEND(2), {0x3A, 0x77}},
 177 {LCM_SEND(2), {0x35, 0x00}},
 178 {LCM_SEND(2), {0x4C, 0x11}},
 179
 180 #endif
 181 #if 0
 182 {LCM_SEND(1), {0x11}},//0x11
 183 {LCM_SLEEP(200),},
 184 {LCM_SEND(1), {0x29}},//0x29
 185 #endif
 186 };
 187
 188 static LCM_Force_Cmd_Code rd_prep_code[]={
 189         {0x39, {LCM_SEND(8), {0x6, 0, 0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01}}},
 190         {0x37, {LCM_SEND(2), {0x3, 0}}},
 191 };
 192
 193 static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};
 194
 195 static LCM_Init_Code sleep_in =  {LCM_SEND(1), {0x10}};
 196
 197 static LCM_Init_Code sleep_out =  {LCM_SEND(1), {0x11}};
 198
 199 static int32_t nt35516_mipi_init(struct panel_spec *self)
 200 {
 201         int32_t i;
 202         LCM_Init_Code *init = init_data;
 203         unsigned int tag;
 204
 205         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
 206         mipi_gen_write_t mipi_gen_write = self->info.mipi->ops->mipi_gen_write;
 207
 208         LCD_PRINT("lcd_nt35516_init\n");
 209
 210         mipi_set_cmd_mode();
 211
 212         for(i = 0; i < ARRAY_SIZE(init_data); i++){
 213                 tag = (init->tag >>24);
 214                 if(tag & LCM_TAG_SEND){
 215                         mipi_gen_write(init->data, (init->tag & LCM_TAG_MASK));
 216                         udelay(20);
 217                 }else if(tag & LCM_TAG_SLEEP){
 218                         mdelay((init->tag & LCM_TAG_MASK));
 219                 }
 220                 init++;
 221         }
 222         return 0;
 223 }
 224
 225 static uint32_t nt35516_readid(struct panel_spec *self)
 226 {
 227         /*Jessica TODO: need read id*/
 228         int32_t i = 0;
 229         uint32 j =0;
 230         LCM_Force_Cmd_Code * rd_prepare = rd_prep_code;
 231         uint8_t read_data[3] = {0};
 232         int32_t read_rtn = 0;
 233         unsigned int tag = 0;
 234         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
 235         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;
 236         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;
 237         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
 238
 239         LCD_PRINT("lcd_nt35516_mipi read id!\n");
 240 //      return 0x16;    //debug
 241 //#ifdef CONFIG_SC8830
 242 //      return 0x16;    //debug
 243 //#endif
 244         mipi_set_cmd_mode();
 245         mipi_eotp_set(0,1);
 246         for(j = 0; j < 4; j++){
 247                 rd_prepare = rd_prep_code;
 248                 for(i = 0; i < ARRAY_SIZE(rd_prep_code); i++){
 249                         tag = (rd_prepare->real_cmd_code.tag >> 24);
 250                         if(tag & LCM_TAG_SEND){
 251                                 mipi_force_write(rd_prepare->datatype, rd_prepare->real_cmd_code.data, (rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));
 252                         }else if(tag & LCM_TAG_SLEEP){
 253                                 mdelay((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));
 254                         }
 255                         rd_prepare++;
 256                 }
 257                 read_rtn = mipi_force_read(0xc5, 3,(uint8_t *)read_data);
 258                 LCD_PRINT("lcd_nt35516_mipi read id 0xc5 value is 0x%x, 0x%x, 0x%x!\n", read_data[0], read_data[1], read_data[2]);
 259
 260                 if((0x55 == read_data[0])&&(0x16 == read_data[1])){
 261                         LCD_PRINT("lcd_nt35516_mipi read id success!\n");
 262                         mipi_eotp_set(1,1);
 263                         return 0x16;
 264                 }
 265         }
 266         mipi_eotp_set(1,1);
 267         return 0x0;
 268 }
 269
 270 static struct panel_operations lcd_nt35516_mipi_operations = {
 271         .panel_init = nt35516_mipi_init,
 272         .panel_readid = nt35516_readid,
 273 };
 274
 275 static struct timing_rgb lcd_nt35516_mipi_timing = {
 276         .hfp = 20,  /* unit: pixel */
 277         .hbp = 20,
 278         .hsync = 20,//4,
 279         .vfp = 10, /*unit: line*/
 280         .vbp = 10,
 281         .vsync = 6,
 282 };
 283
 284 static struct info_mipi lcd_nt35516_mipi_info = {
 285         .work_mode  = SPRDFB_MIPI_MODE_VIDEO,
 286         .video_bus_width = 24, /*18,16*/
 287         .lan_number = 3,
 288         .phy_feq = 500*1000,
 289         .h_sync_pol = SPRDFB_POLARITY_POS,
 290         .v_sync_pol = SPRDFB_POLARITY_POS,
 291         .de_pol = SPRDFB_POLARITY_POS,
 292         .te_pol = SPRDFB_POLARITY_POS,
 293         .color_mode_pol = SPRDFB_POLARITY_NEG,
 294         .shut_down_pol = SPRDFB_POLARITY_NEG,
 295         .timing = &lcd_nt35516_mipi_timing,
 296         .ops = NULL,
 297 };
 298
 299 struct panel_spec lcd_nt35516_mipi_spec = {
 300         //.cap = PANEL_CAP_NOT_TEAR_SYNC,
 301         .width = 540,
 302         .height = 960,
 303         .fps = 60,
 304         .type = LCD_MODE_DSI,
 305         .direction = LCD_DIRECT_NORMAL,
 306         .info = {
 307                 .mipi = &lcd_nt35516_mipi_info
 308         },
 309         .ops = &lcd_nt35516_mipi_operations,
 310 };
 311
 312