drivers/video/sprdfb/lcd/lcd_nt51017_goyal_mipi.c

   1 /* drivers/video/sprdfb/lcd_nt51017_mipi.c\r
   2  *\r
   3  * Support for nt51017 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 typedef struct LCM_Init_Code_tag {\r
  22         unsigned int tag;\r
  23         unsigned char data[MAX_DATA];\r
  24 }LCM_Init_Code;\r
  25 \r
  26 typedef struct LCM_force_cmd_code_tag{\r
  27         unsigned int datatype;\r
  28         LCM_Init_Code real_cmd_code;\r
  29 }LCM_Force_Cmd_Code;\r
  30 \r
  31 #define LCM_TAG_SHIFT 24\r
  32 #define LCM_TAG_MASK  ((1 << 24) -1)\r
  33 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)\r
  34 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)\r
  35 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))\r
  36 \r
  37 #define LCM_TAG_SEND  (1<< 0)\r
  38 #define LCM_TAG_SLEEP (1 << 1)\r
  39 \r
  40 \r
  41 \r
  42 \r
  43 static LCM_Init_Code init_data[] = {\r
  44  {LCM_SEND(2), {0x83, 0x96} },\r
  45  {LCM_SEND(2), {0x84, 0x69} },\r
  46  {LCM_SEND(2), {0x92, 0x19} },\r
  47  {LCM_SEND(2), {0x83, 0x00} },\r
  48  {LCM_SEND(2), {0x84, 0x00} },\r
  49  {LCM_SEND(2), {0x96, 0x00} },\r
  50 \r
  51 };\r
  52 \r
  53 \r
  54 static LCM_Init_Code sleep_in[] =  {\r
  55 \r
  56         {LCM_SEND(1), {0x11}},\r
  57         {LCM_SLEEP(170)},\r
  58 };\r
  59 \r
  60 static LCM_Init_Code sleep_out[] =  {\r
  61         {LCM_SEND(1), {0x10}},\r
  62         {LCM_SLEEP(170)},\r
  63 \r
  64 };\r
  65 \r
  66 \r
  67 static int32_t nt51017_mipi_init(struct panel_spec *self)\r
  68 {\r
  69 \r
  70         sprd_gpio_request(NULL, BACKLIGHT_GPIO);\r
  71         sprd_gpio_direction_output(NULL, BACKLIGHT_GPIO, 0);\r
  72         sprd_gpio_request(NULL, 152);\r
  73         sprd_gpio_direction_output(NULL, 152, 0);\r
  74         sprd_gpio_request(NULL, 232);\r
  75         sprd_gpio_direction_output(NULL, 232, 0);\r
  76         sprd_gpio_request(NULL, 233);\r
  77         sprd_gpio_direction_output(NULL, 233, 0);\r
  78 \r
  79         sprd_gpio_set(NULL, BACKLIGHT_GPIO, 1);\r
  80         sprd_gpio_set(NULL, 152, 1);\r
  81         mdelay(20);\r
  82         sprd_gpio_set(NULL, 232, 1);\r
  83         sprd_gpio_set(NULL, 233, 1);\r
  84         mdelay(200);\r
  85         int32_t i;\r
  86         LCM_Init_Code *init = init_data;\r
  87         unsigned int tag;\r
  88 \r
  89         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
  90         mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;\r
  91         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
  92 \r
  93         LCD_PRINT("lcd_nt51017_init\n");\r
  94 \r
  95         mipi_set_cmd_mode();\r
  96         mipi_eotp_set(0,0);\r
  97 \r
  98         for(i = 0; i < ARRAY_SIZE(init_data); i++){\r
  99                 tag = (init->tag >>24);\r
 100                 if(tag & LCM_TAG_SEND){\r
 101                         mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK));\r
 102                         udelay(20);\r
 103                 }else if(tag & LCM_TAG_SLEEP){\r
 104                         mdelay(init->tag & LCM_TAG_MASK);//udelay((init->tag & LCM_TAG_MASK) * 1000);\r
 105                 }\r
 106                 init++;\r
 107         }\r
 108         mipi_eotp_set(0,0);\r
 109 \r
 110         return 0;\r
 111 }\r
 112 \r
 113 static uint32_t nt51017_readid(struct panel_spec *self)\r
 114 {\r
 115 #if 0\r
 116         uint32 j =0;\r
 117         uint8_t read_data[4] = {0};\r
 118         int32_t read_rtn = 0;\r
 119         uint8_t param[2] = {0};\r
 120         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;\r
 121         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;\r
 122         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;\r
 123         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;\r
 124 \r
 125         LCD_PRINT("lcd_nt51017_mipi read id!\n");\r
 126 \r
 127         mipi_set_cmd_mode();\r
 128         mipi_eotp_set(0,0);\r
 129 \r
 130         for(j = 0; j < 4; j++){\r
 131                 param[0] = 0x01;\r
 132                 param[1] = 0x00;\r
 133                 mipi_force_write(0x37, param, 2);\r
 134                 read_rtn = mipi_force_read(0xda,1,&read_data[0]);\r
 135                 LCD_PRINT("lcd_nt51017_mipi read id 0xda value is 0x%x!\n",read_data[0]);\r
 136 \r
 137                 read_rtn = mipi_force_read(0xdb,1,&read_data[1]);\r
 138                 LCD_PRINT("lcd_nt51017_mipi read id 0xdb value is 0x%x!\n",read_data[1]);\r
 139 \r
 140                 read_rtn = mipi_force_read(0xdc,1,&read_data[2]);\r
 141                 LCD_PRINT("lcd_nt51017_mipi read id 0xdc value is 0x%x!\n",read_data[2]);\r
 142 \r
 143                 if((0x55 == read_data[0])&&(0xbf == read_data[1] || 0xc0 == read_data[1] || 0xbe == read_data[1])&&(0x90 == read_data[2])){\r
 144                                 LCD_PRINT("lcd_nt51017_mipi read id success!\n");\r
 145                                 return 0x8369;\r
 146                 }\r
 147         }\r
 148 \r
 149         mipi_eotp_set(0,0);\r
 150 \r
 151         LCD_PRINT("lcd_s6d77a1_mipi read id failed!\n");\r
 152         return 0;\r
 153 #endif\r
 154         return 0x51017;\r
 155 }\r
 156 \r
 157 static struct panel_operations lcd_nt51017_mipi_operations = {\r
 158         .panel_init = nt51017_mipi_init,\r
 159         .panel_readid = nt51017_readid,\r
 160 };\r
 161 \r
 162 static struct timing_rgb lcd_nt51017_mipi_timing = {\r
 163 \r
 164         .hfp = 80,  /* unit: pixel */\r
 165         .hbp = 80,\r
 166         .hsync = 1,\r
 167         .vfp = 18, /*unit: line*/\r
 168         .vbp = 23,\r
 169         .vsync = 1,\r
 170 \r
 171 };\r
 172 \r
 173 \r
 174 static struct info_mipi lcd_nt51017_mipi_info = {\r
 175         .work_mode  = SPRDFB_MIPI_MODE_VIDEO,\r
 176         .video_bus_width = 24, /*18,16*/\r
 177         .lan_number =   4,\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_nt51017_mipi_timing,\r
 186         .ops = NULL,\r
 187 };\r
 188 \r
 189 struct panel_spec lcd_nt51017_mipi_spec = {\r
 190         .width = 800,\r
 191         .height =1280 ,\r
 192         .fps = 60,\r
 193         .type = LCD_MODE_DSI,\r
 194         .direction = LCD_DIRECT_NORMAL,\r
 195         //.suspend_mode = SEND_SLEEP_CMD,\r
 196         .info = {\r
 197                 .mipi = &lcd_nt51017_mipi_info\r
 198         },\r
 199         .ops = &lcd_nt51017_mipi_operations,\r
 200 };\r