drivers/video/sprdfb/lcd/lcd_rm68180_mipi.c

   1 /* drivers/video/sprdfb/lcd_rm68180_mipi.c
   2  *
   3  * Support for rm68180 mipi LCD device
   4  *
   5  * Copyright (C) 2010 Spreadtrum
   6  *
   7  */
   8
   9 #include <asm/arch/sprd_lcd.h>
  10 #include "../sprdfb.h"
  11
  12 #define printk printf
  13
  14 //#define  LCD_DEBUG
  15 #ifdef LCD_DEBUG
  16 #define LCD_PRINT printk
  17 #else
  18 #define LCD_PRINT(...)
  19 #endif
  20
  21 #define MAX_DATA   58
  22
  23 typedef struct LCM_Init_Code_tag {
  24         unsigned int tag;
  25         unsigned char data[MAX_DATA];
  26 }LCM_Init_Code;
  27
  28 typedef struct LCM_force_cmd_code_tag{
  29         unsigned int datatype;
  30         LCM_Init_Code real_cmd_code;
  31 }LCM_Force_Cmd_Code;
  32 #define LCM_TAG_SHIFT 24
  33 #define LCM_TAG_MASK  ((1 << 24) -1)
  34 #define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)
  35 #define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)
  36 //#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))
  37
  38 #define LCM_TAG_SEND  (1<< 0)
  39 #define LCM_TAG_SLEEP (1 << 1)
  40
  41 static LCM_Init_Code init_data[] = {
  42 #if 1  //l901 shengjing  rm68180
  43      {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}},
  44      {LCM_SEND(6),{4,0,0xB0,0x0D,0x0D,0x0D}},
  45      {LCM_SEND(6),{4,0,0xB1,0x05,0x05,0x05}},
  46      {LCM_SEND(6),{4,0,0xB6,0x34,0x34,0x34}},
  47      {LCM_SEND(6),{4,0,0xB7,0x34,0x34,0x34}},
  48      {LCM_SEND(6),{4,0,0xB8,0x24,0x24,0x24}},
  49      {LCM_SEND(6),{4,0,0xB9,0x34,0x34,0x34}},
  50      {LCM_SEND(6),{4,0,0xBA,0x04,0x04,0x04}},
  51      {LCM_SEND(6),{4,0,0xBC,0x00,0x90,0x00}},
  52      {LCM_SEND(6),{4,0,0xBD,0x00,0x90,0x00}},
  53      {LCM_SEND(5),{3,0,0xBE,0x00,0x75}},
  54      {LCM_SEND(2),{0xCC,0x05}},
  55      {LCM_SEND(55),{53,0,0xD1,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}},
  56      {LCM_SEND(55),{53,0,0xD2,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}},
  57      {LCM_SEND(55),{53,0,0xD3,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}},
  58      {LCM_SEND(55),{53,0,0xD4,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}},
  59      {LCM_SEND(55),{53,0,0xD5,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}},
  60      {LCM_SEND(55),{53,0,0xD6,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x3B,0x00,0x60,0x00,0x9E,0x00,0xCF,0x01,0x17,0x01,0x4B,0x01,0x93,0x01,0xC6,0x02,0x10,0x02,0x48,0x02,0x49,0x02,0x79,0x02,0xAA,0x02,0xC4,0x02,0xE4,0x02,0xF8,0x03,0x10,0x03,0x20,0x03,0x36,0x03,0x46,0x03,0x5C,0x03,0x8B,0x03,0xFF}},
  61      {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x00}},
  62      {LCM_SEND(2),{0xB1,0xFC}},
  63      {LCM_SEND(2),{0xB4,0x10}},
  64      {LCM_SEND(2),{0xB6,0x01}},
  65      {LCM_SEND(7),{5,0,0xB8,0x01,0x04,0x04,0x04}},
  66      {LCM_SEND(2),{0xBA,0x01}},
  67      {LCM_SEND(6),{4,0,0xBC,0x02,0x02,0x02}},
  68      {LCM_SEND(2),{0x3A,0x77}}, //0x55
  69      {LCM_SEND(5),{3,0,0xC9,0xC0,0x01}},
  70      {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x02}},
  71      {LCM_SEND(2),{0xF6,0x60}},
  72      {LCM_SEND(2),{0x35,0x00}},
  73      {LCM_SEND(2),{0x36,0x00}},
  74      {LCM_SEND(5),{3,0,0x44,0x00,0x50}},
  75      {LCM_SEND(8),{6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}},
  76      {LCM_SEND(7),{5,0,0x2A,0x00,0x00,0x01,0xDF}},
  77      {LCM_SEND(7),{5,0,0x2B,0x00,0x00,0x03,0x1F}}, //0x355
  78      {LCM_SEND(1),{0x11}},
  79      {LCM_SLEEP(120)},
  80      {LCM_SEND(1),{0x29}},
  81      {LCM_SLEEP(100)},
  82 #endif
  83 };
  84
  85 static LCM_Force_Cmd_Code rd_prep_code[]={
  86         {0x39, {LCM_SEND(8), {0x6, 0, 0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01}}},
  87         {0x37, {LCM_SEND(2), {0x3, 0}}},
  88 };
  89
  90 static LCM_Init_Code disp_on =  {LCM_SEND(1), {0x29}};
  91
  92 static LCM_Init_Code sleep_in =  {LCM_SEND(1), {0x10}};
  93
  94 static LCM_Init_Code sleep_out =  {LCM_SEND(1), {0x11}};
  95
  96 static int32_t rm68180_mipi_init(struct panel_spec *self)
  97 {
  98         int32_t i;
  99         LCM_Init_Code *init = init_data;
 100         unsigned int tag;
 101
 102         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
 103         mipi_gen_write_t mipi_gen_write = self->info.mipi->ops->mipi_gen_write;
 104         mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
 105
 106         LCD_PRINT("rm68180_init\n");
 107         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
 108         mipi_set_cmd_mode();
 109         mipi_eotp_set(1,0);
 110
 111         for(i = 0; i < ARRAY_SIZE(init_data); i++){
 112                 tag = (init->tag >>24);
 113                 if(tag & LCM_TAG_SEND){
 114                         mipi_gen_write(init->data, (init->tag & LCM_TAG_MASK));
 115                         udelay(20);
 116                 }else if(tag & LCM_TAG_SLEEP){
 117                         udelay((init->tag & LCM_TAG_MASK) * 1000);
 118                 }
 119                 init++;
 120         }
 121         mipi_eotp_set(1,1);
 122
 123         return 0;
 124 }
 125
 126 static uint32_t rm68180_readid(struct panel_spec *self)
 127 {
 128
 129 //{LCM_SEND(8), {6,0,0xF0,0x55,0xAA,0x52,0x08,0x01}},
 130         /*Jessica TODO: need read id*/
 131         int32_t i = 0;
 132         uint32_t j =0;
 133         LCM_Force_Cmd_Code * rd_prepare = rd_prep_code;
 134
 135         uint8_t read_data[3] = {0};
 136         uint8_t read_c5[3] = {0};
 137         int32_t read_rtn = 0;
 138         unsigned int tag = 0;
 139 #if 1
 140         mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
 141         mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;
 142         mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;
 143         mipi_set_lp_mode_t mipi_set_lp_mode = self->info.mipi->ops->mipi_set_lp_mode;
 144         mipi_set_hs_mode_t mipi_set_hs_mode = self->info.mipi->ops->mipi_set_hs_mode;
 145         mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
 146
 147         printk("lcd_rm68180_mipi read id!\n");
 148         mipi_set_cmd_mode();
 149         mipi_eotp_set(1,0);
 150         //mipi_force_read(0x0, 3,(uint8_t *)read_data);
 151
 152         for(j = 0; j < 4; j++){
 153                 for(i = 0; i < ARRAY_SIZE(rd_prep_code); i++){
 154                         tag = (rd_prepare->real_cmd_code.tag >> 24);
 155                         if(tag & LCM_TAG_SEND){
 156                                 mipi_force_write(rd_prepare->datatype, rd_prepare->real_cmd_code.data, (rd_prepare->real_cmd_code.tag & LCM_TAG_MASK));
 157                         }else if(tag & LCM_TAG_SLEEP){
 158                                 udelay((rd_prepare->real_cmd_code.tag & LCM_TAG_MASK) * 1000);
 159                         }
 160                         rd_prepare++;
 161                 }
 162                 read_rtn = mipi_force_read(0x04, 3,(uint8_t *)read_data);
 163                 printk("lcd_rm68180_mipi read id value is 0x%x, 0x%x, 0x%x!\n", read_data[0], read_data[1], read_data[2]);
 164                 //0x00 0x80 0x00
 165                 //return 0x80;
 166                 if((0x80 == read_data[1])){
 167                         self->info.mipi->ops->mipi_set_hs_mode();
 168                         printk("lcd_rm68180_mipi read id success!\n");
 169                         mipi_eotp_set(1,1);
 170                         return 0x80;
 171                 }
 172                 else
 173                         printk("lcd_rm68180_mipi read id failed!\n");
 174
 175         }
 176         mipi_eotp_set(1,1);
 177 #endif
 178         return 0x00;
 179 }
 180
 181 static struct panel_operations lcd_rm68180_mipi_operations = {
 182         .panel_init = rm68180_mipi_init,
 183         .panel_readid = rm68180_readid,
 184 };
 185
 186 static struct timing_rgb lcd_rm68180_mipi_timing = {
 187 #if 1
 188         .hfp = 20,  /* unit: pixel */
 189         .hbp = 20,
 190         .hsync = 6,//4,
 191         .vfp = 20, /*unit: line*/
 192         .vbp = 20,
 193         .vsync = 6,//6
 194
 195 #else
 196 /*
 197         .hfp = 120,
 198         .hbp = 120,
 199         .hsync = 60,
 200         .vfp = 6,
 201         .vbp = 6,
 202         .vsync = 4,
 203 */
 204         .hfp =70,  /* unit: pixel */
 205         .hbp = 40,
 206         .hsync = 10,
 207         .vfp = 10, /*unit: line*/
 208         .vbp = 10,
 209         .vsync = 12,
 210 #endif
 211 };
 212
 213 static struct info_mipi lcd_rm68180_mipi_info = {
 214         .work_mode  = SPRDFB_MIPI_MODE_VIDEO,
 215         .video_bus_width = 24, /*18,16*/
 216         .lan_number = 2,
 217         .phy_feq = 360*1000,
 218         .h_sync_pol = SPRDFB_POLARITY_POS,
 219         .v_sync_pol = SPRDFB_POLARITY_POS,
 220         .de_pol = SPRDFB_POLARITY_POS,
 221         .te_pol = SPRDFB_POLARITY_POS,
 222         .color_mode_pol = SPRDFB_POLARITY_NEG,
 223         .shut_down_pol = SPRDFB_POLARITY_NEG,
 224         .timing = &lcd_rm68180_mipi_timing,
 225         .ops = NULL,
 226 };
 227
 228 struct panel_spec lcd_rm68180_mipi_spec = {
 229         .width = 480,
 230         .height = 800, //854,
 231         .fps = 60,
 232         .type = LCD_MODE_DSI,
 233         .direction = LCD_DIRECT_NORMAL,
 234         .info = {
 235                 .mipi = &lcd_rm68180_mipi_info
 236         },
 237         .ops = &lcd_rm68180_mipi_operations,
 238 };