drivers/video/sc8825fb/lcd_otm_8018b_mipi.c

   1 /* drivers/video/sc8825/lcd_otm8018b_mipi.c\r
   2  *\r
   3  * Support for otm8018b 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/tiger_lcd.h>\r
  18 \r
  19 #define printk printf\r
  20 \r
  21 //#define  LCD_DEBUG\r
  22 #ifdef LCD_DEBUG\r
  23 #define LCD_PRINT printk\r
  24 #else\r
  25 #define LCD_PRINT(...)\r
  26 #endif\r
  27 \r
  28 #define MAX_DATA   48\r
  29 \r
  30 typedef struct LCM_Init_Code_tag {\r
  31         unsigned int tag;\r
  32         unsigned char data[MAX_DATA];\r
  33 }LCM_Init_Code;\r
  34 \r
  35 typedef struct LCM_force_cmd_code_tag{\r
  36         unsigned int datatype;\r
  37         LCM_Init_Code real_cmd_code;\r
  38 }LCM_Force_Cmd_Code;\r
  39 \r
  40 #define LCM_TAG_SHIFT 24\r
  41 #define LCM_TAG_MASK  ((1 << 24) -1)\r
  42 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)\r
  43 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)\r
  44 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))\r
  45 \r
  46 #define LCM_TAG_SEND  (1<< 0)\r
  47 #define LCM_TAG_SLEEP (1 << 1)\r
  48 \r
  49 static LCM_Init_Code init_data[] = {\r
  50 #if 1 \r
  51 {LCM_SEND(6), {4, 0, 0xff,0x80,0x09,0x01}}, \r
  52 \r
  53 {LCM_SEND(2), {0x00,0x80}}, \r
  54 {LCM_SEND(5), {3, 0, 0xff,0x80,0x09}},\r
  55 \r
  56 {LCM_SEND(2), {0x00,0x03}}, \r
  57 {LCM_SEND(2), {0xFF,0x01}}, \r
  58 \r
  59 {LCM_SEND(2), {0x00,0xB4}}, \r
  60 {LCM_SEND(2), {0xC0,0x10}}, \r
  61 \r
  62 {LCM_SEND(2), {0x00,0x82}}, \r
  63 {LCM_SEND(2), {0xC5,0xA3}}, \r
  64 \r
  65 {LCM_SEND(2), {0x00,0x90}}, \r
  66 {LCM_SEND(5), {3, 0, 0xC5,0xC6,0x76}},\r
  67 \r
  68 {LCM_SEND(2), {0x00,0x00}}, \r
  69 {LCM_SEND(5), {3, 0, 0xD8,0x75,0x73}},\r
  70 \r
  71 {LCM_SEND(2), {0x00,0x00}}, \r
  72 {LCM_SEND(2), {0xD9,0x4E}}, \r
  73 \r
  74 /*-------------Gamma+ ------*/\r
  75 {LCM_SEND(2), {0x00,0x00}},\r
  76 {LCM_SEND(19), {17, 0, 0xE1,0x0C,0x0D,0x11,0x10,0x0A,0x1B,0x0B,0x0B,0x00,0x03,0x03,0x05,0x0D,0x24,0x21,0x05}}, \r
  77 \r
  78 {LCM_SEND(2), {0x00,0x00}},\r
  79 {LCM_SEND(19), {17, 0, 0xE2,0x0C,0x0D,0x11,0x12,0x0E,0x1D,0x0B,0x0B,0x00,0x03,0x03,0x05,0x0D,0x25,0x21,0x05}}, \r
  80 \r
  81 {LCM_SEND(2), {0x00,0x81}}, \r
  82 {LCM_SEND(2), {0xC1,0x66}}, \r
  83 {LCM_SEND(2), {0x00,0xA1}}, \r
  84 {LCM_SEND(2), {0xC1,0x08}}, \r
  85 \r
  86 {LCM_SEND(2), {0x00,0x89}}, \r
  87 {LCM_SEND(2), {0xC4,0x08}}, \r
  88 \r
  89 {LCM_SEND(2), {0x00,0xA2}}, \r
  90 {LCM_SEND(6), {4, 0, 0xC0,0x1B,0x00,0x02}},\r
  91 \r
  92 {LCM_SEND(2), {0x00,0x81}}, \r
  93 {LCM_SEND(2), {0xC4,0x83}}, \r
  94 \r
  95 {LCM_SEND(2), {0x00,0x92}}, \r
  96 {LCM_SEND(2), {0xC5,0x01}}, \r
  97 \r
  98 {LCM_SEND(2), {0x00,0xB1}}, \r
  99 {LCM_SEND(2), {0xC5,0xA9}}, \r
 100 \r
 101 /*C09x : mck_shift1/mck_shift2/mck_shift3*/\r
 102 {LCM_SEND(2), {0x00,0x90}}, \r
 103 {LCM_SEND(9), {7, 0, 0xC0,0x00,0x44,0x00,0x00,0x00,0x03}},\r
 104 \r
 105 /*C1Ax : hs_shift/vs_shift*/\r
 106 {LCM_SEND(2), {0x00,0xA6}}, \r
 107 {LCM_SEND(6), {4, 0, 0xC1,0x00,0x00,0x00}},\r
 108 \r
 109 //CE8x : vst1, vst2, vst3, vst4\r
 110 {LCM_SEND(2), {0x00,0x80}}, \r
 111 {LCM_SEND(15), {13, 0, 0xCE,0x87,0x03,0x00,0x85,0x03,0x00,0x86,0x03,0x00,0x84,0x03,0x00}},\r
 112 \r
 113 //CEAx : clka1, clka2\r
 114 {LCM_SEND(2), {0x00,0xA0}},\r
 115 {LCM_SEND(17), {15, 0, 0xCE,0x38,0x03,0x03,0x58,0x00,0x00,0x00,0x38,0x02,0x03,0x59,0x00,0x00,0x00}},\r
 116 \r
 117 //CEBx : clka3, clka4\r
 118 {LCM_SEND(2), {0x00,0xB0}},\r
 119 {LCM_SEND(17), {15, 0, 0xCE,0x38,0x01,0x03,0x5A,0x00,0x00,0x00,0x38,0x00,0x03,0x5B,0x00,0x00,0x00}},\r
 120 \r
 121 //CECx : clkb1, clkb2\r
 122 {LCM_SEND(2), {0x00,0xC0}},\r
 123 {LCM_SEND(17), {15, 0, 0xCE,0x30,0x00,0x03,0x5C,0x00,0x00,0x00,0x30,0x01,0x03,0x5D,0x00,0x00,0x00}},\r
 124 \r
 125 //CEDx : clkb3, clkb4\r
 126 {LCM_SEND(2), {0x00,0xD0}},\r
 127 {LCM_SEND(17), {15, 0, 0xCE,0x30,0x02,0x03,0x5E,0x00,0x00,0x00,0x30,0x03,0x03,0x5F,0x00,0x00,0x00}},\r
 128 \r
 129 {LCM_SEND(2), {0x00, 0xC7}}, \r
 130 {LCM_SEND(2), {0xCF, 0x00}}, \r
 131 \r
 132 {LCM_SEND(2), {0x00, 0xC9}}, \r
 133 {LCM_SEND(2), {0xCF, 0x00}}, \r
 134 \r
 135 {LCM_SEND(2), {0x00, 0xC4}}, \r
 136 {LCM_SEND(9), {7, 0, 0xCB,0x04,0x04,0x04,0x04,0x04,0x04}},\r
 137 \r
 138 {LCM_SEND(2), {0x00, 0xD9}}, \r
 139 {LCM_SEND(9), {7, 0, 0xCB,0x04,0x04,0x04,0x04,0x04,0x04}},\r
 140 \r
 141 {LCM_SEND(2), {0x00, 0x84}}, \r
 142 {LCM_SEND(9), {7, 0, 0xCC,0x0C,0x0A,0x10,0x0E,0x03,0x04}},\r
 143 \r
 144 {LCM_SEND(2), {0x00,0x9E}}, \r
 145 {LCM_SEND(2), {0xCC,0x0B}}, \r
 146 \r
 147 {LCM_SEND(2), {0x00,0xA0}}, \r
 148 {LCM_SEND(8), {6, 0, 0xCC,0x09,0x0F,0x0D,0x01,0x02}},\r
 149 \r
 150 {LCM_SEND(2), {0x00,0xB4}}, \r
 151 {LCM_SEND(9), {7, 0, 0xCC,0x0D,0x0F,0x09,0x0B,0x02,0x01}},\r
 152 \r
 153 {LCM_SEND(2), {0x00,0xCE}}, \r
 154 {LCM_SEND(2), {0xCC,0x0E}}, \r
 155 \r
 156 {LCM_SEND(2), {0x00,0xD0}}, \r
 157 {LCM_SEND(8), {6, 0, 0xCC,0x10,0x0A,0x0C,0x04,0x03}},\r
 158 \r
 159 {LCM_SEND(2), {0x00,0x00}}, \r
 160 {LCM_SEND(2), {0x3A,0x77}}, \r
 161 \r
 162 {LCM_SEND(2), {0x11, 0x00}}, // sleep out \r
 163 {LCM_SLEEP(200),},\r
 164 {LCM_SEND(2), {0x29, 0x00}}, // display on \r
 165 \r
 166 {LCM_SEND(1), {0x2C}}, // normal on \r
 167 \r
 168 #endif\r
 169 \r
 170 };\r
 171 \r
 172 static LCM_Force_Cmd_Code rd_prep_code[]={\r
 173         {0x37, {LCM_SEND(2), {0x5, 0}}},\r
 174 };\r
 175 \r
 176 static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};\r
 177 \r
 178 static LCM_Init_Code sleep_in =  {LCM_SEND(1), {0x10}};\r
 179 \r
 180 static LCM_Init_Code sleep_out =  {LCM_SEND(1), {0x11}};\r
 181 \r
 182 static int32_t otm8018b_mipi_init(struct panel_spec *self)\r
 183 {\r
 184         int32_t i;\r
 185         LCM_Init_Code *init = init_data;\r
 186         unsigned int tag;\r
 187 \r
 188         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 189         mipi_gen_write_t mipi_gen_write = self->info.mipi->ops->mipi_gen_write;\r
 190 \r
 191         LCD_PRINT("otm8018b_mipi_init\n");\r
 192 \r
 193         mipi_set_cmd_mode();\r
 194 \r
 195         for(i = 0; i < ARRAY_SIZE(init_data); i++){\r
 196                 tag = (init->tag >>24);\r
 197                 if(tag & LCM_TAG_SEND){\r
 198                         mipi_gen_write(init->data, (init->tag & LCM_TAG_MASK));\r
 199                 }else if(tag & LCM_TAG_SLEEP){\r
 200                         udelay((init->tag & LCM_TAG_MASK) * 1000);\r
 201                 }\r
 202                 init++;\r
 203         }\r
 204         return 0;\r
 205 }\r
 206 \r
 207 static uint32_t otm8018b_readid(struct panel_spec *self)\r
 208 {\r
 209         /*Jessica TODO: need read id*/\r
 210         int32_t i = 0;\r
 211         uint32 j =0;\r
 212         LCM_Force_Cmd_Code * rd_prepare = rd_prep_code;\r
 213         uint8_t read_data[5] = {0};\r
 214         int32_t read_rtn = 0;\r
 215         unsigned int tag = 0;\r
 216 \r
 217         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 218         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;\r
 219         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;\r
 220 \r
 221         printk("lcd_otm8018b_mipi read id!\n");\r
 222         mipi_set_cmd_mode();\r
 223         for(j = 0; j < 4; j++){\r
 224                 rd_prepare = rd_prep_code;\r
 225                 for(i = 0; i < ARRAY_SIZE(rd_prep_code); i++){\r
 226                         tag = (rd_prepare->real_cmd_code.tag >> 24);\r
 227                         if(tag & LCM_TAG_SEND){\r
 228                                 mipi_force_write(rd_prepare->datatype, rd_prepare->real_cmd_code.data, (rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));\r
 229                         }else if(tag & LCM_TAG_SLEEP){\r
 230                                 udelay((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK) * 1000);\r
 231                         }\r
 232                         rd_prepare++;\r
 233                 }\r
 234 \r
 235                 read_rtn = mipi_force_read(0xa1, 3,(uint8_t *)read_data);\r
 236                 printk("lcd_otm8018b_mipi read id 0xa1 value is 0x%x, 0x%x, 0x%x, 0x%x, 0x%x!\n",\r
 237                         read_data[0], read_data[1], read_data[2], read_data[3], read_data[4]);\r
 238 \r
 239                 if((0x01 == read_data[0])&&(0x8b == read_data[1])&&(0x80 == read_data[2])&&(0x09 == read_data[3])&&(0xff == read_data[4])){\r
 240                         printk("lcd_otm8018b_mipi read id success!\n");\r
 241                         return 0x18;\r
 242                 }\r
 243         }\r
 244 \r
 245         printk("lcd_otm8018b_mipi identify fail!\n");\r
 246         return 0x0;\r
 247 }\r
 248 \r
 249 static struct panel_operations lcd_otm8018b_mipi_operations = {\r
 250         .panel_init = otm8018b_mipi_init,\r
 251         .panel_readid = otm8018b_readid,\r
 252 };\r
 253 \r
 254 static struct timing_rgb lcd_otm8018b_mipi_timing = {\r
 255         .hfp = 80,  /* unit: pixel */\r
 256         .hbp = 80,\r
 257         .hsync = 6,\r
 258         .vfp = 10, /*unit: line*/\r
 259         .vbp = 10,\r
 260         .vsync = 6,\r
 261 };\r
 262 \r
 263 static struct info_mipi lcd_otm8018b_mipi_info = {\r
 264         .work_mode  = SPRDFB_MIPI_MODE_VIDEO,\r
 265         .video_bus_width = 24, /*18,16*/\r
 266         .lan_number = 2,\r
 267         .phy_feq = 500*1000,\r
 268         //.h_sync_pol = SPRDFB_POLARITY_POS,\r
 269         //.v_sync_pol = SPRDFB_POLARITY_POS,\r
 270         //.de_pol = SPRDFB_POLARITY_POS,\r
 271         .te_pol = SPRDFB_POLARITY_POS,\r
 272         //.color_mode_pol = SPRDFB_POLARITY_POS,\r
 273         //.shut_down_pol = SPRDFB_POLARITY_POS,\r
 274         .timing = &lcd_otm8018b_mipi_timing,\r
 275         .ops = NULL,\r
 276 };\r
 277 \r
 278 struct panel_spec lcd_otm8018b_mipi_spec = {\r
 279         .width = 480,\r
 280         .height = 800,\r
 281         .type = LCD_MODE_DSI,\r
 282         .direction = LCD_DIRECT_NORMAL,\r
 283         .info = {\r
 284                 .mipi = &lcd_otm8018b_mipi_info\r
 285         },\r
 286         .ops = &lcd_otm8018b_mipi_operations,\r
 287 };\r
 288 \r
 289 \r