drivers/video/sprdfb/lcd/lcd_s6e88oa_mipi.c

   1 /* drivers/video/sprdfb/lcd_s6e88oa_mipi.c\r
   2  *\r
   3  * Support for s6e88oa mipi LCD device\r
   4  *\r
   5  * Copyright (C) 2010 Spreadtrum\r
   6  */\r
   7 \r
   8 #include <asm/arch/sprd_lcd.h>\r
   9 #include "../sprdfb.h"\r
  10 #define printk printf\r
  11 \r
  12 #define  LCD_DEBUG\r
  13 #ifdef LCD_DEBUG\r
  14 #define LCD_PRINT printk\r
  15 #else\r
  16 #define LCD_PRINT(...)\r
  17 #endif\r
  18 \r
  19 #define MAX_DATA   150\r
  20 \r
  21 \r
  22 typedef struct LCM_Init_Code_tag {\r
  23         unsigned int tag;\r
  24         unsigned char data[MAX_DATA];\r
  25 }LCM_Init_Code;\r
  26 \r
  27 typedef struct LCM_force_cmd_code_tag{\r
  28         unsigned int datatype;\r
  29         LCM_Init_Code real_cmd_code;\r
  30 }LCM_Force_Cmd_Code;\r
  31 \r
  32 #define LCM_TAG_SHIFT 24\r
  33 #define LCM_TAG_MASK  ((1 << 24) -1)\r
  34 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)\r
  35 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)\r
  36 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))\r
  37 \r
  38 #define LCM_TAG_SEND  (1<< 0)\r
  39 #define LCM_TAG_SLEEP (1 << 1)\r
  40 \r
  41 \r
  42 static LCM_Init_Code init_data[] = {\r
  43         {LCM_SLEEP(5)}, /*>5ms*/\r
  44         /*level2_comma_set */\r
  45         {LCM_SEND(5), {3, 0, 0xF0,\\r
  46                                         0x5A , 0x5A} },\r
  47 /*      {LCM_SEND(5), {3, 0, 0xFC,\\r
  48                                 0xA5 , 0xA5} },*/\r
  49 \r
  50         /*exit_sleep*/\r
  51         {LCM_SEND(1), {0x11} },\r
  52         {LCM_SLEEP(25)},        /*>120ms*/\r
  53 \r
  54         /*avdd set*/\r
  55         {LCM_SEND(6), {4, 0, 0xB8,\\r
  56                                 0x38, 0x0B, 0x2D} },\r
  57 \r
  58 \r
  59 // set brightness\r
  60 \r
  61         /*gamma set 350cd*/\r
  62         {LCM_SEND(36), {34, 0, 0xCA,\\r
  63                 0x01, 0x00, 0x01, 0x00, 0x01, 0x00,\\r
  64                 0x80, 0x80, 0x80,\\r
  65                 0x80, 0x80, 0x80,\\r
  66                 0x80, 0x80, 0x80,\\r
  67                 0x80, 0x80, 0x80,\\r
  68                 0x80, 0x80, 0x80,\\r
  69                 0x80, 0x80, 0x80,\\r
  70                 0x80, 0x80, 0x80,\\r
  71                 0x80, 0x80, 0x80,\\r
  72                 0x00, 0x00, 0x00} },\r
  73         /*aid set*/\r
  74         {LCM_SEND(8), {6, 0, 0xB2,\\r
  75                                 0x40, 0x08, 0x20, 0x00, 0x08} },\r
  76         /*elvss set*/\r
  77         {LCM_SEND(5), {3, 0, 0xB6,\\r
  78                                         0x28 , 0x0B} },\r
  79         /*acl set*/\r
  80         {LCM_SEND(2), {0x55,\\r
  81                                         0x00} },\r
  82 \r
  83         /*gamma update*/\r
  84         {LCM_SEND(2), {0xF7,\\r
  85                                         0x03} },\r
  86         /*display on*/\r
  87         {LCM_SEND(1), {0x29} },\r
  88         {LCM_SLEEP(120)},       /*>120ms*/\r
  89 \r
  90 };\r
  91 \r
  92 static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};\r
  93 \r
  94 static LCM_Init_Code sleep_in[] =  {\r
  95         {LCM_SEND(1), {0x28}},\r
  96         {LCM_SLEEP(150)},       //>150ms\r
  97         {LCM_SEND(1), {0x10}},\r
  98         {LCM_SLEEP(150)},       //>150ms\r
  99 };\r
 100 \r
 101 static LCM_Init_Code sleep_out[] =  {\r
 102         {LCM_SEND(1), {0x11}},\r
 103         {LCM_SLEEP(120)},//>120ms\r
 104         {LCM_SEND(1), {0x29}},\r
 105         {LCM_SLEEP(20)}, //>20ms\r
 106 };\r
 107 \r
 108 //extern void (*lcd_panel_cabc_pwm_bl)(int brightness);\r
 109 //extern void backlight_control(int brigtness);\r
 110 static int32_t s6e88oa_mipi_init(struct panel_spec *self)\r
 111 {\r
 112         int32_t i;\r
 113         LCM_Init_Code *init = init_data;\r
 114         unsigned int tag;\r
 115 \r
 116         //lcd_panel_cabc_pwm_bl = backlight_control;\r
 117 \r
 118         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 119         mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;\r
 120         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 121 \r
 122         LCD_PRINT("lcd_s6e88oa_init\n");\r
 123 \r
 124         mipi_set_cmd_mode();\r
 125         mipi_eotp_set(0,0);\r
 126 \r
 127         for(i = 0; i < ARRAY_SIZE(init_data); i++){\r
 128                 tag = (init->tag >>24);\r
 129                 if(tag & LCM_TAG_SEND){\r
 130                         mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK));\r
 131                         udelay(20);\r
 132                 }else if(tag & LCM_TAG_SLEEP){\r
 133                         mdelay(init->tag & LCM_TAG_MASK);//udelay((init->tag & LCM_TAG_MASK) * 1000);\r
 134                 }\r
 135                 init++;\r
 136         }\r
 137         mipi_eotp_set(0,0);\r
 138 \r
 139         return 0;\r
 140 }\r
 141 \r
 142 static uint32_t s6e88oa_readid(struct panel_spec *self)\r
 143 {\r
 144 #if 0\r
 145         uint32 j =0;\r
 146         uint8_t read_data[3] = {0};\r
 147         int32_t read_rtn = 0;\r
 148         uint8_t param[2] = {0};\r
 149         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 150         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;\r
 151         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;\r
 152         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 153 \r
 154         LCD_PRINT("lcd_s6e88oa_mipi read id!\n");\r
 155 \r
 156         mipi_set_cmd_mode();\r
 157         mipi_eotp_set(0,0);\r
 158 \r
 159         for(j = 0; j < 4; j++){\r
 160                 param[0] = 0x01;\r
 161                 param[1] = 0x00;\r
 162                 mipi_force_write(0x37, param, 2);\r
 163                 read_rtn = mipi_force_read(0xda,1,&read_data[0]);\r
 164                 read_rtn = mipi_force_read(0xdb,1,&read_data[1]);\r
 165                 read_rtn = mipi_force_read(0xdc,1,&read_data[2]);\r
 166                 if((0x52 == read_data[0])&&(0x00 == read_data[1])&&(0x00 == read_data[2]))\r
 167                 {\r
 168                         LCD_PRINT("lcd_s6e88oa_mipi read id success!\n");\r
 169                         return 0x55b8f0;\r
 170                 }\r
 171         }\r
 172         LCD_PRINT("lcd_s6e88oa_mipi read id fail! 0xda,0xdb,0xdc is 0x%x,0x%x,0x%x!\n",read_data[0],read_data[1],read_data[2]);\r
 173         mipi_eotp_set(0,0);\r
 174         return 0;\r
 175 #endif\r
 176         return 0x6e880a;\r
 177 }\r
 178 \r
 179 static struct panel_operations lcd_s6e88oa_mipi_operations = {\r
 180         .panel_init = s6e88oa_mipi_init,\r
 181         .panel_readid = s6e88oa_readid,\r
 182 };\r
 183 \r
 184 static struct timing_rgb lcd_s6e88oa_mipi_timing = {\r
 185         .hfp = 110,  /* unit: pixel */\r
 186         .hbp = 110,\r
 187         .hsync = 8,\r
 188         .vfp = 13, /*unit: line*/\r
 189         .vbp = 2,\r
 190         .vsync = 1,\r
 191 };\r
 192 \r
 193 \r
 194 static struct info_mipi lcd_s6e88oa_mipi_info = {\r
 195         .work_mode  = SPRDFB_MIPI_MODE_VIDEO,\r
 196         .video_bus_width = 24, /*18,16*/\r
 197         .lan_number =   2,\r
 198         .phy_feq = 450 * 1000,\r
 199         .h_sync_pol = SPRDFB_POLARITY_POS,\r
 200         .v_sync_pol = SPRDFB_POLARITY_POS,\r
 201         .de_pol = SPRDFB_POLARITY_POS,\r
 202         .te_pol = SPRDFB_POLARITY_POS,\r
 203         .color_mode_pol = SPRDFB_POLARITY_NEG,\r
 204         .shut_down_pol = SPRDFB_POLARITY_NEG,\r
 205         .timing = &lcd_s6e88oa_mipi_timing,\r
 206         .ops = NULL,\r
 207 };\r
 208 \r
 209 struct panel_spec lcd_s6e88oa_mipi_spec = {\r
 210         .width = 540,\r
 211         .height = 960,\r
 212         .fps = 60,\r
 213         .type = LCD_MODE_DSI,\r
 214         .direction = LCD_DIRECT_NORMAL,\r
 215         .info = {\r
 216                 .mipi = &lcd_s6e88oa_mipi_info\r
 217         },\r
 218         .ops = &lcd_s6e88oa_mipi_operations,\r
 219 };\r