drivers/video/lcd_hx8357_1.c

   1 /* drivers/video/sc8800g/sc8800g_lcd_hx8357.c
   2  *
   3  * Support for HX8357 LCD device
   4  *
   5  * Copyright (C) 2010 Spreadtrum
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <asm/arch/sc8810_lcd.h>
  18 #define printk printf
  19
  20 //#define  LCD_DEBUG
  21 #ifdef LCD_DEBUG
  22 #define LCD_PRINT printk
  23 #else
  24 #define LCD_PRINT(...)
  25 #endif
  26
  27 static int32_t hx8357_init(struct lcd_spec *self)
  28 {
  29         Send_data send_cmd = self->info.mcu->ops->send_cmd;
  30         Send_cmd_data send_cmd_data = self->info.mcu->ops->send_cmd_data;
  31         Send_data send_data = self->info.mcu->ops->send_data;
  32
  33         LCD_PRINT("hx8357_init\n");
  34
  35         send_cmd_data(0x00ff, 0x00);  //Command page 0
  36         LCD_DelayMS(15);  //delay
  37         send_cmd_data(0x001a, 0x0004);  //VGH VGL VCL DDVDH
  38         send_cmd_data(0x001b, 0x001c);
  39
  40         /*power setting*/
  41         send_cmd_data(0x0023, 0x0091);// set VCOM offset,VMF=0x52
  42         send_cmd_data(0x0024, 0x0069);//set VCOMH voltage,VHH=0x64
  43         send_cmd_data(0x0025, 0x0063); //set VCOML voltage,VML=0x71
  44         send_cmd_data(0x0019, 0x0001);
  45         LCD_DelayMS(10);  //delay
  46         send_cmd_data(0x001a, 0x0001); //VGH VGL VCL DDVDH
  47         send_cmd_data(0x001f, 0x008a);
  48         send_cmd_data(0x0001, 0x0000);
  49         send_cmd_data(0x001c, 0x0005);
  50         send_cmd_data(0x001f, 0x0082);
  51         LCD_DelayMS(10); //delay
  52         send_cmd_data(0x001f, 0x0092);
  53         LCD_DelayMS(10); //delay
  54         send_cmd_data(0x001f, 0x00d4);
  55
  56         /* set GRAM area 320*480 */
  57         send_cmd_data(0x0002, 0x0000);
  58         send_cmd_data(0x0003, 0x0000);
  59         send_cmd_data(0x0004, 0x0001);
  60         send_cmd_data(0x0005, 0x003f);
  61         send_cmd_data(0x0006, 0x0000);
  62         send_cmd_data(0x0007, 0x0000);
  63         send_cmd_data(0x0008, 0x0001);
  64
  65         send_cmd_data(0x0016, 0x0009); //set my mx mv bgr
  66         send_cmd_data(0x0017, 0x0005); //16-bit pixel
  67         send_cmd_data(0x0018, 0x0022); //Fosc=130%*5.2MHZ 21
  68         send_cmd_data(0x001d, 0x0000); //FS0[1:0]=01,set the operating frequency of the step-up circuit 1
  69         send_cmd_data(0x001e, 0x0000);
  70
  71         send_cmd_data(0x0026, 0x0033);
  72         send_cmd_data(0x0027, 0x0001);
  73         send_cmd_data(0x0029, 0x0000);
  74         send_cmd_data(0x002a, 0x0000);
  75         send_cmd_data(0x002b, 0x0001); //0A
  76         send_cmd_data(0x002c, 0x000a);
  77         send_cmd_data(0x002d, 0x0020);
  78         send_cmd_data(0x002e, 0x00a3);
  79         send_cmd_data(0x002f, 0x0000);
  80         send_cmd_data(0x0031, 0x0000);
  81         send_cmd_data(0x0032, 0x0000);
  82         send_cmd_data(0x0033, 0x0008);
  83         send_cmd_data(0x0034, 0x0002);
  84         send_cmd_data(0x0036, 0x0002);  //REV
  85
  86         /* Gamma  */
  87         send_cmd_data(0x0040, 0x0001);
  88         send_cmd_data(0x0041, 0x0012);
  89         send_cmd_data(0x0042, 0x0019);
  90         send_cmd_data(0x0043, 0x0026);
  91         send_cmd_data(0x0044, 0x002c);
  92         send_cmd_data(0x0045, 0x003c);
  93         send_cmd_data(0x0046, 0x000b);
  94         send_cmd_data(0x0047, 0x005f);
  95         send_cmd_data(0x0048, 0x0000);
  96         send_cmd_data(0x0049, 0x0008);
  97         send_cmd_data(0x004a, 0x000b);
  98         send_cmd_data(0x004b, 0x0010);
  99         send_cmd_data(0x004c, 0x0016);
 100
 101         send_cmd_data(0x0050, 0x0001);
 102         send_cmd_data(0x0051, 0x001d);
 103         send_cmd_data(0x0052, 0x0021);
 104         send_cmd_data(0x0053, 0x0034);
 105         send_cmd_data(0x0054, 0x0037);
 106         send_cmd_data(0x0055, 0x003f);
 107         send_cmd_data(0x0056, 0x0029);
 108         send_cmd_data(0x0057, 0x007f);
 109         send_cmd_data(0x0058, 0x0001);
 110         send_cmd_data(0x0059, 0x0012);
 111         send_cmd_data(0x005a, 0x001b);
 112         send_cmd_data(0x005b, 0x001e);
 113         send_cmd_data(0x005c, 0x001a);
 114         send_cmd_data(0x005d, 0x0055);
 115
 116         send_cmd_data(0x0060, 0x0008);
 117         send_cmd_data(0x00f2, 0x0000);
 118         send_cmd_data(0x00e4, 0x001f); //EQVCI_M1=0x00
 119         send_cmd_data(0x00e5, 0x001f); //EQGND_M1=0x1c
 120         send_cmd_data(0x00e6, 0x0020); //EQVCI_M0=0x1c
 121         send_cmd_data(0x00e7, 0x0000); //EQGND_M0=0x1c
 122         send_cmd_data(0x00e8, 0x00d1);
 123         send_cmd_data(0x00e9, 0x00c0);
 124         send_cmd_data(0x0028, 0x0038);
 125         LCD_DelayMS(80);  //delay
 126         send_cmd_data(0x0028, 0x003c); //GON=0,DTE=0,D[1:0]=01
 127
 128         send_cmd_data(0x0080, 0x0000);
 129         send_cmd_data(0x0081, 0x0000);
 130         send_cmd_data(0x0082, 0x0000);
 131         send_cmd_data(0x0083, 0x0000);
 132
 133         send_cmd(0x0022);
 134
 135         if (0) {
 136                 int i;
 137                 for (i=0; i<320*480/2; i++)
 138                         send_data(0x1234);
 139                 for (i=0; i< 320*480/2; i++)
 140                         send_data(0x4321);
 141         }
 142
 143         return 0;
 144 }
 145
 146 static int32_t hx8357_set_window(struct lcd_spec *self,
 147                 uint16_t left, uint16_t top, uint16_t right, uint16_t bottom)
 148 {
 149         Send_data send_cmd = self->info.mcu->ops->send_cmd;
 150         Send_cmd_data send_cmd_data = self->info.mcu->ops->send_cmd_data;
 151         Send_data send_data = self->info.mcu->ops->send_data;
 152
 153         LCD_PRINT("hx8357_set_window: %d, %d, %d, %d\n",left, top, right, bottom);
 154
 155         /* set window size  */
 156         send_cmd_data(0x0002, (left  >> 8));
 157         send_cmd_data(0x0003, (left  & 0xff));
 158         send_cmd_data(0x0004, (right >> 8));
 159         send_cmd_data(0x0005, (right & 0xff));
 160
 161         send_cmd_data(0x0006, (top    >> 8));
 162         send_cmd_data(0x0007, (top    &  0xff));
 163         send_cmd_data(0x0008, (bottom >> 8));
 164         send_cmd_data(0x0009, (bottom &  0xff));
 165
 166         switch (self->direction) {
 167         case LCD_DIRECT_NORMAL:
 168         default:
 169                 send_cmd_data(0x0080, (left >> 8));
 170                 send_cmd_data(0x0081, (left &  0xff));
 171                 send_cmd_data(0x0082, (top  >> 8));
 172                 send_cmd_data(0x0083, (top  &  0xff));
 173                 break;
 174
 175         case LCD_DIRECT_ROT_90:
 176                 send_cmd_data(0x0080, (top >> 8));
 177                 send_cmd_data(0x0081, (top & 0xff));
 178                 send_cmd_data(0x0082, (left >> 8));
 179                 send_cmd_data(0x0083, (left & 0xff));
 180             break;
 181
 182         case LCD_DIRECT_ROT_180:
 183         case LCD_DIRECT_MIR_HV:
 184                 send_cmd_data(0x0080, (right >> 8));
 185                 send_cmd_data(0x0081, (right & 0xff));
 186                 send_cmd_data(0x0082, (bottom >> 8));
 187                 send_cmd_data(0x0083, (bottom & 0xff));
 188                 break;
 189
 190         case LCD_DIRECT_ROT_270:
 191                 send_cmd_data(0x0080, (bottom >> 8));
 192                 send_cmd_data(0x0081, (bottom & 0xff));
 193                 send_cmd_data(0x0082, (left >> 8));
 194                 send_cmd_data(0x0083, (left & 0xff));
 195             break;
 196
 197         case LCD_DIRECT_MIR_H:
 198                 send_cmd_data(0x0080, (left >> 8));
 199                 send_cmd_data(0x0081, (left & 0xff));
 200                 send_cmd_data(0x0082, (bottom >> 8));
 201                 send_cmd_data(0x0083, (bottom & 0xff));
 202                 break;
 203
 204         case LCD_DIRECT_MIR_V:
 205                 send_cmd_data(0x0080, (right >> 8));
 206                 send_cmd_data(0x0081, (right & 0xff));
 207                 send_cmd_data(0x0082, (top >> 8));
 208                 send_cmd_data(0x0083, (top & 0xff));
 209             break;
 210         }
 211
 212         send_cmd(0x0022);
 213
 214         return 0;
 215 }
 216
 217 static int32_t hx8357_invalidate(struct lcd_spec *self)
 218 {
 219         LCD_PRINT("hx8357_invalidate\n");
 220
 221         return self->ops->lcd_set_window(self, 0, 0,
 222                         self->width - 1, self->height - 1);
 223
 224 }
 225
 226 static int32_t hx8357_invalidate_rect(struct lcd_spec *self,
 227                                 uint16_t left, uint16_t top,
 228                                 uint16_t right, uint16_t bottom)
 229 {
 230         Send_cmd_data send_cmd_data = self->info.mcu->ops->send_cmd_data;
 231
 232         LCD_PRINT("hx8357_invalidate_rect \n");
 233
 234         // TE scaneline
 235         send_cmd_data(0x000b, (top >> 8));
 236         send_cmd_data(0x000c, (top & 0xff));
 237         return self->ops->lcd_set_window(self, left, top,
 238                         right, bottom);
 239 }
 240
 241
 242 static int32_t hx8357_set_direction(struct lcd_spec *self, uint16_t direction)
 243 {
 244         Send_cmd_data send_cmd_data = self->info.mcu->ops->send_cmd_data;
 245
 246         LCD_PRINT("hx8357_set_direction\n");
 247
 248         switch (direction) {
 249         case LCD_DIRECT_NORMAL:
 250                 send_cmd_data(0x0016, 0x0009);
 251                 break;
 252         case LCD_DIRECT_ROT_90:
 253                 send_cmd_data(0x0016, 0x0069);
 254                 break;
 255         case LCD_DIRECT_ROT_180:
 256                 send_cmd_data(0x0016, 0x00c9);
 257                 break;
 258         case LCD_DIRECT_ROT_270:
 259                 send_cmd_data(0x0016, 0x00a9);
 260                 break;
 261         case LCD_DIRECT_MIR_H:
 262                 send_cmd_data(0x0016, 0x00c8);
 263                 break;
 264         case LCD_DIRECT_MIR_V:
 265                 send_cmd_data(0x0016, 0x0008);
 266                 break;
 267         case LCD_DIRECT_MIR_HV:
 268                 send_cmd_data(0x0016, 0x0048);
 269                 break;
 270         default:
 271                 LCD_PRINT("unknown lcd direction!\n");
 272                 send_cmd_data(0x0016, 0x0009);
 273                 direction = LCD_DIRECT_NORMAL;
 274                 break;
 275         }
 276
 277         self->direction = direction;
 278
 279         return 0;
 280 }
 281
 282 static int32_t hx8357_enter_sleep(struct lcd_spec *self, uint8_t is_sleep)
 283 {
 284         Send_cmd_data send_cmd_data = self->info.mcu->ops->send_cmd_data;
 285
 286         if(is_sleep) {
 287                 send_cmd_data(0x00FF, 0x00);//Select Command Page 0
 288                 // Display off Setting
 289                 send_cmd_data(0x0028, 0x38); // GON=1, DTE=1, D[1:0]=10
 290                 LCD_DelayMS(40);  //delay
 291                 send_cmd_data(0x0028, 0x04); // GON=0, DTE=0, D[1:0]=01
 292                 // Power off Setting
 293                 send_cmd_data(0x001F, 0x90); // Stop VCOMG
 294                 // GAS_EN=1, VCOMG=0, PON=1, DK=0, XDK=0, DDVDH_TRI=0, STB=0
 295                 LCD_DelayMS(5);  //delay
 296                 send_cmd_data(0x001F, 0x88);// Stop step-up circuit
 297                 // GAS_EN=1, VCOMG=1, PON=0, DK=1, XDK=1, DDVDH_TRI=0, STB=0
 298                 send_cmd_data(0x001C, 0x00);// AP=000
 299                 send_cmd_data(0x001F, 0x89);// Enter Standby mode
 300                 //GAS_EN=1, VCOMG=0, PON=0, DK=1, XDK=0, DDVDH_TRI=0, STB=1
 301                 send_cmd_data(0x0019, 0x00);//OSC_EN=0, Stop to Oscillate
 302         }
 303         else {
 304                 send_cmd_data(0x00FF, 0x00);//Select Command Page 0
 305                 send_cmd_data(0x0019, 0x01);//OSC_EN=1, Start to Oscillate
 306                 LCD_DelayMS(5);  //delay
 307                 send_cmd_data(0x001F, 0x88);
 308                 //GAS_EN=1, VCOMG=0, PON=0, DK=1, XDK=0, DDVDH_TRI=0, STB=0
 309                 // Power on Setting
 310                 send_cmd_data(0x001C, 0x03);// AP=011
 311                 send_cmd_data(0x001F, 0x80);// Exit standby mode and Step-up circuit 1 enable
 312                 // GAS_EN=1, VCOMG=0, PON=0, DK=0, XDK=0, DDVDH_TRI=0, STB=0
 313                 LCD_DelayMS(5);  //delay
 314                 send_cmd_data(0x001F, 0x90);// Step-up circuit 2 enable
 315                 // GAS_EN=1, VCOMG=0, PON=1, DK=0, XDK=0, DDVDH_TRI=0, STB=0
 316                 LCD_DelayMS(5);  //delay
 317                 send_cmd_data(0x001F, 0xD4);
 318                 // GAS_EN=1, VCOMG=1, PON=1, DK=0, XDK=1, DDVDH_TRI=0, STB=0
 319                 LCD_DelayMS(5);  //delay
 320                 // Display on Setting
 321                 send_cmd_data(0x0028, 0x08);// GON=0, DTE=0, D[1:0]=01
 322                 LCD_DelayMS(40);  //delay
 323                 send_cmd_data(0x0028, 0x38);// GON=1, DTE=1, D[1:0]=10
 324                 LCD_DelayMS(40);  //delay
 325                 send_cmd_data(0x0028, 0x3C);// GON=1, DTE=1, D[1:0]=11
 326         }
 327         return 0;
 328 }
 329
 330 static struct lcd_operations lcd_hx8357_operations = {
 331         .lcd_init = hx8357_init,
 332         .lcd_set_window = hx8357_set_window,
 333         .lcd_invalidate_rect= hx8357_invalidate_rect,
 334         .lcd_invalidate = hx8357_invalidate,
 335         .lcd_set_direction = hx8357_set_direction,
 336         .lcd_enter_sleep = hx8357_enter_sleep,
 337 };
 338
 339 static struct timing_mcu lcd_hx8357_timing[] = {
 340 [LCD_REGISTER_TIMING] = {                    // read/write register timing
 341                 .rcss = 15,  // 15ns
 342                 .rlpw = 60,
 343                 .rhpw = 60,
 344                 .wcss = 10,
 345                 .wlpw = 35,
 346                 .whpw = 35,
 347         },
 348 [LCD_GRAM_TIMING] = {                    // read/write gram timing
 349                 .rcss = 15,  // 15ns
 350                 .rlpw = 60,
 351                 .rhpw = 60,
 352                 .wcss = 10,
 353                 .wlpw = 35,
 354                 .whpw = 35,
 355         },
 356 };
 357
 358 static struct info_mcu lcd_hx8357_info = {
 359         .bus_mode = LCD_BUS_8080,
 360         .bus_width = 16,
 361         .timing = lcd_hx8357_timing,
 362         .ops = NULL,
 363 };
 364
 365 struct lcd_spec lcd_panel_hx8357 = {
 366         .width = 320,
 367         .height = 480,
 368         .mode = LCD_MODE_MCU,
 369         .direction = LCD_DIRECT_NORMAL,
 370         .info = {.mcu = &lcd_hx8357_info},
 371         .ops = &lcd_hx8357_operations,
 372 };