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