drivers/video/sprdfb/lcd/lcd_sd7798d_mipi.c

   1 /* drivers/video/sprdfb/lcd_sd7798d_mipi.c\r
   2  *\r
   3  * Support for sd7798d 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 \r
  23 typedef struct LCM_Init_Code_tag {\r
  24         unsigned int tag;\r
  25         unsigned char data[MAX_DATA];\r
  26 }LCM_Init_Code;\r
  27 \r
  28 typedef struct LCM_force_cmd_code_tag{\r
  29         unsigned int datatype;\r
  30         LCM_Init_Code real_cmd_code;\r
  31 }LCM_Force_Cmd_Code;\r
  32 \r
  33 #define LCM_TAG_SHIFT 24\r
  34 #define LCM_TAG_MASK  ((1 << 24) -1)\r
  35 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)\r
  36 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)\r
  37 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))\r
  38 \r
  39 #define LCM_TAG_SEND  (1<< 0)\r
  40 #define LCM_TAG_SLEEP (1 << 1)\r
  41 \r
  42 \r
  43 static LCM_Init_Code init_data[] = {\r
  44         {LCM_SEND(6), {4, 0, 0xB9, 0xF1, 0x08, 0x00} },\r
  45         {LCM_SEND(10), {8, 0, 0xB1, 0x31, 0x0C, 0x0C, 0xA7, 0x33, 0x01, 0xB7} },\r
  46         {LCM_SEND(6), {4, 0, 0xC6, 0x00, 0x00, 0xFD} },\r
  47         {LCM_SEND(7), {5, 0, 0xE3, 0x03, 0x03, 0x03, 0x03} },\r
  48         {LCM_SEND(5), {3, 0, 0xB8, 0x06, 0x22} },\r
  49         {LCM_SLEEP(10)},\r
  50         {LCM_SEND(21), {19, 0, 0xBA, 0x31, 0x00, 0x44, 0x25, 0x91, 0x0A, 0x00, 0x00, 0xC2, 0x34, 0x00, 0x00, 0x04, 0x02, 0x1D, \r
  51                                 0xB9, 0xEE, 0x40} },\r
  52         {LCM_SEND(11), {9, 0, 0xB3, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0A, 0x25, 0x20} },\r
  53         {LCM_SEND(2), {0xB4, 0x00} },\r
  54         {LCM_SEND(2), {0xCC, 0x0E} },\r
  55         {LCM_SEND(2), {0xBC, 0x67} },\r
  56         {LCM_SEND(2), {0xB2, 0x03} },\r
  57         {LCM_SEND(8), {6, 0, 0xC0, 0x73, 0x50, 0x00, 0x08, 0x70} },\r
  58         {LCM_SEND(54), {52, 0, 0xE9, 0x00, 0x00, 0x06, 0x00, 0x00, 0x6E, 0x29, 0x12, 0x30, 0x00, 0x48, 0x08, 0x6E, 0x29, 0x47, \r
  59                                 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x89, 0x98, 0x33, 0x11, 0x77, 0x55, \r
  60                                 0x13, 0x00, 0x00, 0x89, 0x98, 0x22, 0x00, 0x66, 0x44, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, \r
  61                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} },\r
  62         {LCM_SEND(39), {37, 0, 0xEA, 0x00, 0x00, 0x98, 0x98, 0x44, 0x66, 0x00, 0x22, 0x20, 0x00, 0x00, 0x98, 0x98, 0x55, 0x77, \r
  63                                 0x11, 0x33, 0x31, 0x30, 0x00, 0x00, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \r
  64                                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} },\r
  65         {LCM_SEND(37), {35, 0, 0xE0, 0x01, 0x09, 0x0D, 0x2E, 0x36, 0x3F, 0x10, 0x31, 0x07, 0x0D, 0x11, 0x15, 0x13, 0x16, 0x15, \r
  66                                 0x32, 0x38, 0x01, 0x05, 0x05, 0x30, 0x35, 0x3F, 0x0E, 0x30, 0x04, 0x09, 0x0A, 0x0D, 0x12, \r
  67                                 0x0D, 0x0F, 0x2C, 0x35} },\r
  68         {LCM_SEND(1), {0x11} },\r
  69         {LCM_SLEEP(120)},\r
  70         {LCM_SEND(1), {0x29} },\r
  71         {LCM_SLEEP(20)},\r
  72 \r
  73 };\r
  74 \r
  75 static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};\r
  76 \r
  77 static LCM_Init_Code sleep_in[] =  {\r
  78         {LCM_SEND(1), {0x28}},\r
  79         {LCM_SLEEP(150)},       //>150ms\r
  80         {LCM_SEND(1), {0x10}},\r
  81         {LCM_SLEEP(150)},       //>150ms\r
  82 };\r
  83 \r
  84 static LCM_Init_Code sleep_out[] =  {\r
  85         {LCM_SEND(1), {0x11}},\r
  86         {LCM_SLEEP(120)},//>120ms\r
  87         {LCM_SEND(1), {0x29}},\r
  88         {LCM_SLEEP(20)}, //>20ms\r
  89 };\r
  90 \r
  91 //extern void (*lcd_panel_cabc_pwm_bl)(int brightness);\r
  92 //extern void backlight_control(int brigtness);\r
  93 static int32_t sd7798d_mipi_init(struct panel_spec *self)\r
  94 {\r
  95         int32_t i;\r
  96         LCM_Init_Code *init = init_data;\r
  97         unsigned int tag;\r
  98 \r
  99         //lcd_panel_cabc_pwm_bl = backlight_control;\r
 100 \r
 101         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 102         mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;\r
 103         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 104 \r
 105         LCD_PRINT("lcd_sd7798d_init\n");\r
 106 \r
 107         mipi_set_cmd_mode();\r
 108         mipi_eotp_set(0,0);\r
 109 \r
 110         for(i = 0; i < ARRAY_SIZE(init_data); i++){\r
 111                 tag = (init->tag >>24);\r
 112                 if(tag & LCM_TAG_SEND){\r
 113                         mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK));\r
 114                         udelay(20);\r
 115                 }else if(tag & LCM_TAG_SLEEP){\r
 116                         mdelay(init->tag & LCM_TAG_MASK);//udelay((init->tag & LCM_TAG_MASK) * 1000);\r
 117                 }\r
 118                 init++;\r
 119         }\r
 120         mipi_eotp_set(0,0);\r
 121 \r
 122         return 0;\r
 123 }\r
 124 \r
 125 static uint32_t sd7798d_readid(struct panel_spec *self)\r
 126 {\r
 127         uint32 j =0;\r
 128         uint8_t read_data[3] = {0};\r
 129         int32_t read_rtn = 0;\r
 130         uint8_t param[2] = {0};\r
 131         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 132         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;\r
 133         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;\r
 134         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 135 \r
 136         LCD_PRINT("lcd_sd7798d_mipi read id!\n");\r
 137 \r
 138         mipi_set_cmd_mode();\r
 139         mipi_eotp_set(0,0);\r
 140 \r
 141         for(j = 0; j < 4; j++){\r
 142                 param[0] = 0x01;\r
 143                 param[1] = 0x00;\r
 144                 mipi_force_write(0x37, param, 2);\r
 145                 read_rtn = mipi_force_read(0xda,1,&read_data[0]);\r
 146                 read_rtn = mipi_force_read(0xdb,1,&read_data[1]);\r
 147                 read_rtn = mipi_force_read(0xdc,1,&read_data[2]);\r
 148                 if((0x55 == read_data[0])&&(0xB8 == read_data[1])&&(0xf0 == read_data[2]))\r
 149                 {\r
 150                         LCD_PRINT("lcd_sd7798d_mipi read id success!\n");\r
 151                         return 0x55b8f0;\r
 152                 }\r
 153         }\r
 154         LCD_PRINT("lcd_sd7798d_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
 155         mipi_eotp_set(0,0);\r
 156         return 0;\r
 157 }\r
 158 \r
 159 static struct panel_operations lcd_sd7798d_mipi_operations = {\r
 160         .panel_init = sd7798d_mipi_init,\r
 161         .panel_readid = sd7798d_readid,\r
 162 };\r
 163 \r
 164 static struct timing_rgb lcd_sd7798d_mipi_timing = {\r
 165         .hfp = 145,  /* unit: pixel */\r
 166         .hbp = 90,\r
 167         .hsync = 70,\r
 168         .vfp = 10, /*unit: line*/\r
 169         .vbp = 12,\r
 170         .vsync = 4,\r
 171 };\r
 172 \r
 173 \r
 174 static struct info_mipi lcd_sd7798d_mipi_info = {\r
 175         .work_mode  = SPRDFB_MIPI_MODE_VIDEO,\r
 176         .video_bus_width = 24, /*18,16*/\r
 177         .lan_number =   2,\r
 178         .phy_feq =481*1000,\r
 179         .h_sync_pol = SPRDFB_POLARITY_POS,\r
 180         .v_sync_pol = SPRDFB_POLARITY_POS,\r
 181         .de_pol = SPRDFB_POLARITY_POS,\r
 182         .te_pol = SPRDFB_POLARITY_POS,\r
 183         .color_mode_pol = SPRDFB_POLARITY_NEG,\r
 184         .shut_down_pol = SPRDFB_POLARITY_NEG,\r
 185         .timing = &lcd_sd7798d_mipi_timing,\r
 186         .ops = NULL,\r
 187 };\r
 188 \r
 189 struct panel_spec lcd_sd7798d_mipi_spec = {\r
 190         .width = 480,\r
 191         .height = 800,\r
 192         .fps = 60,\r
 193         .type = LCD_MODE_DSI,\r
 194         .direction = LCD_DIRECT_NORMAL,\r
 195         .info = {\r
 196                 .mipi = &lcd_sd7798d_mipi_info\r
 197         },\r
 198         .ops = &lcd_sd7798d_mipi_operations,\r
 199 };\r