drivers/misc/mediatek/lcm/hx8369_6575/hx8369_6575.c

   1 #include <linux/string.h>
   2
   3 #include "lcm_drv.h"
   4
   5
   6 // ---------------------------------------------------------------------------
   7 //  Local Constants
   8 // ---------------------------------------------------------------------------
   9
  10 #define FRAME_WIDTH  (480)
  11 #define FRAME_HEIGHT (800)
  12 #define LCM_ID       (0x69)
  13
  14 // ---------------------------------------------------------------------------
  15 //  Local Variables
  16 // ---------------------------------------------------------------------------
  17
  18 static LCM_UTIL_FUNCS lcm_util = {0};
  19
  20 #define SET_RESET_PIN(v)    (lcm_util.set_reset_pin((v)))
  21
  22 #define UDELAY(n) (lcm_util.udelay(n))
  23 #define MDELAY(n) (lcm_util.mdelay(n))
  24
  25
  26 // ---------------------------------------------------------------------------
  27 //  Local Functions
  28 // ---------------------------------------------------------------------------
  29
  30 static __inline void send_ctrl_cmd(unsigned int cmd)
  31 {
  32         lcm_util.send_cmd(cmd);
  33 }
  34
  35 static __inline void send_data_cmd(unsigned int data)
  36 {
  37         lcm_util.send_data(data&0xff);
  38 }
  39
  40 static __inline unsigned int read_data_cmd(void)
  41 {
  42     return 0xFF&lcm_util.read_data();
  43 }
  44
  45 static __inline void set_lcm_register(unsigned int regIndex,
  46                 unsigned int regData)
  47 {
  48         send_ctrl_cmd(regIndex);
  49         send_data_cmd(regData);
  50 }
  51
  52 static void sw_clear_panel(unsigned int color)
  53 {
  54         unsigned short x0, y0, x1, y1, x, y;
  55         unsigned short h_X_start,l_X_start,h_X_end,l_X_end,h_Y_start,l_Y_start,h_Y_end,l_Y_end;
  56
  57         x0 = (unsigned short)0;
  58         y0 = (unsigned short)0;
  59         x1 = (unsigned short)FRAME_WIDTH-1;
  60         y1 = (unsigned short)FRAME_HEIGHT-1;
  61
  62         h_X_start=((x0&0xFF00)>>8);
  63         l_X_start=(x0&0x00FF);
  64         h_X_end=((x1&0xFF00)>>8);
  65         l_X_end=(x1&0x00FF);
  66
  67         h_Y_start=((y0&0xFF00)>>8);
  68         l_Y_start=(y0&0x00FF);
  69         h_Y_end=((y1&0xFF00)>>8);
  70         l_Y_end=(y1&0x00FF);
  71
  72         send_ctrl_cmd(0x2A);
  73         send_data_cmd(h_X_start);
  74         send_data_cmd(l_X_start);
  75         send_data_cmd(h_X_end);
  76         send_data_cmd(l_X_end);
  77
  78         send_ctrl_cmd(0x2B);
  79         send_data_cmd(h_Y_start);
  80         send_data_cmd(l_Y_start);
  81         send_data_cmd(h_Y_end);
  82         send_data_cmd(l_Y_end);
  83
  84         send_ctrl_cmd(0x29);
  85
  86         send_ctrl_cmd(0x2C);
  87     for (y = y0; y <= y1; ++ y) {
  88         for (x = x0; x <= x1; ++ x) {
  89             lcm_util.send_data(color);
  90         }
  91     }
  92 }
  93
  94 static void init_lcm_registers(void)
  95 {
  96         send_ctrl_cmd(0xB9);  // SET password
  97         send_data_cmd(0xFF);
  98         send_data_cmd(0x83);
  99         send_data_cmd(0x69);
 100
 101         send_ctrl_cmd(0xB1);  //Set Power
 102         send_data_cmd(0x85);
 103         send_data_cmd(0x00);
 104         send_data_cmd(0x34);
 105         send_data_cmd(0x0A);
 106         send_data_cmd(0x00);
 107         send_data_cmd(0x0F);
 108         send_data_cmd(0x0F);
 109         send_data_cmd(0x2A);
 110         send_data_cmd(0x32);
 111         send_data_cmd(0x3F);
 112         send_data_cmd(0x3F);
 113         send_data_cmd(0x01);
 114         send_data_cmd(0x23);
 115         send_data_cmd(0x01);
 116         send_data_cmd(0xE6);
 117         send_data_cmd(0xE6);
 118         send_data_cmd(0xE6);
 119         send_data_cmd(0xE6);
 120         send_data_cmd(0xE6);
 121
 122         send_ctrl_cmd(0xB2);  // SET Display  480x800
 123         send_data_cmd(0x00);
 124         send_data_cmd(0x20);
 125         send_data_cmd(0x03);
 126         send_data_cmd(0x03);
 127         send_data_cmd(0x70);
 128         send_data_cmd(0x00);
 129         send_data_cmd(0xFF);
 130         send_data_cmd(0x06);
 131         send_data_cmd(0x00);
 132         send_data_cmd(0x00);
 133         send_data_cmd(0x00);
 134         send_data_cmd(0x03);
 135         send_data_cmd(0x03);
 136         send_data_cmd(0x00);
 137         send_data_cmd(0x01);
 138
 139         send_ctrl_cmd(0xB4);  // SET Display  column inversion
 140         send_data_cmd(0x00);
 141         send_data_cmd(0x18);
 142         send_data_cmd(0x80);
 143         send_data_cmd(0x06);
 144         send_data_cmd(0x02);
 145
 146         send_ctrl_cmd(0xB6);  // SET VCOM
 147         send_data_cmd(0x3A);
 148         send_data_cmd(0x3A);
 149
 150         send_ctrl_cmd(0xD5);
 151         send_data_cmd(0x00);
 152         send_data_cmd(0x02);
 153         send_data_cmd(0x03);
 154         send_data_cmd(0x00);
 155         send_data_cmd(0x01);
 156         send_data_cmd(0x03);
 157         send_data_cmd(0x28);
 158         send_data_cmd(0x70);
 159         send_data_cmd(0x01);
 160         send_data_cmd(0x03);
 161         send_data_cmd(0x00);
 162         send_data_cmd(0x00);
 163         send_data_cmd(0x40);
 164         send_data_cmd(0x06);
 165         send_data_cmd(0x51);
 166         send_data_cmd(0x07);
 167         send_data_cmd(0x00);
 168         send_data_cmd(0x00);
 169         send_data_cmd(0x41);
 170         send_data_cmd(0x06);
 171         send_data_cmd(0x50);
 172         send_data_cmd(0x07);
 173         send_data_cmd(0x07);
 174         send_data_cmd(0x0F);
 175         send_data_cmd(0x04);
 176         send_data_cmd(0x00);
 177
 178         send_ctrl_cmd(0xE0); // Set Gamma
 179         send_data_cmd(0x00);
 180         send_data_cmd(0x13);
 181         send_data_cmd(0x19);
 182         send_data_cmd(0x38);
 183         send_data_cmd(0x3D);
 184         send_data_cmd(0x3F);
 185         send_data_cmd(0x28);
 186         send_data_cmd(0x46);
 187         send_data_cmd(0x07);
 188         send_data_cmd(0x0D);
 189         send_data_cmd(0x0E);
 190         send_data_cmd(0x12);
 191         send_data_cmd(0x15);
 192         send_data_cmd(0x12);
 193         send_data_cmd(0x14);
 194         send_data_cmd(0x0F);
 195         send_data_cmd(0x17);
 196         send_data_cmd(0x00);
 197         send_data_cmd(0x13);
 198         send_data_cmd(0x19);
 199         send_data_cmd(0x38);
 200         send_data_cmd(0x3D);
 201         send_data_cmd(0x3F);
 202         send_data_cmd(0x28);
 203         send_data_cmd(0x46);
 204         send_data_cmd(0x07);
 205         send_data_cmd(0x0D);
 206         send_data_cmd(0x0E);
 207         send_data_cmd(0x12);
 208         send_data_cmd(0x15);
 209         send_data_cmd(0x12);
 210         send_data_cmd(0x14);
 211         send_data_cmd(0x0F);
 212         send_data_cmd(0x17);
 213
 214         send_ctrl_cmd(0xC1); // Set DGC
 215         send_data_cmd(0x01);
 216         send_data_cmd(0x04);
 217         send_data_cmd(0x13);
 218         send_data_cmd(0x1A);
 219         send_data_cmd(0x20);
 220         send_data_cmd(0x27);
 221         send_data_cmd(0x2C);
 222         send_data_cmd(0x32);
 223         send_data_cmd(0x36);
 224         send_data_cmd(0x3F);
 225         send_data_cmd(0x47);
 226         send_data_cmd(0x50);
 227         send_data_cmd(0x59);
 228         send_data_cmd(0x60);
 229         send_data_cmd(0x68);
 230         send_data_cmd(0x71);
 231         send_data_cmd(0x7B);
 232         send_data_cmd(0x82);
 233         send_data_cmd(0x89);
 234         send_data_cmd(0x91);
 235         send_data_cmd(0x98);
 236         send_data_cmd(0xA0);
 237         send_data_cmd(0xA8);
 238         send_data_cmd(0xB0);
 239         send_data_cmd(0xB8);
 240         send_data_cmd(0xC1);
 241         send_data_cmd(0xC9);
 242         send_data_cmd(0xD0);
 243         send_data_cmd(0xD7);
 244         send_data_cmd(0xE0);
 245         send_data_cmd(0xE7);
 246         send_data_cmd(0xEF);
 247         send_data_cmd(0xF7);
 248         send_data_cmd(0xFE);
 249         send_data_cmd(0xCF);
 250         send_data_cmd(0x52);
 251         send_data_cmd(0x34);
 252         send_data_cmd(0xF8);
 253         send_data_cmd(0x51);
 254         send_data_cmd(0xF5);
 255         send_data_cmd(0x9D);
 256         send_data_cmd(0x75);
 257         send_data_cmd(0x00);
 258         send_data_cmd(0x04);
 259         send_data_cmd(0x13);
 260         send_data_cmd(0x1A);
 261         send_data_cmd(0x20);
 262         send_data_cmd(0x27);
 263         send_data_cmd(0x2C);
 264         send_data_cmd(0x32);
 265         send_data_cmd(0x36);
 266         send_data_cmd(0x3F);
 267         send_data_cmd(0x47);
 268         send_data_cmd(0x50);
 269         send_data_cmd(0x59);
 270         send_data_cmd(0x60);
 271         send_data_cmd(0x68);
 272         send_data_cmd(0x71);
 273         send_data_cmd(0x7B);
 274         send_data_cmd(0x82);
 275         send_data_cmd(0x89);
 276         send_data_cmd(0x91);
 277         send_data_cmd(0x98);
 278         send_data_cmd(0xA0);
 279         send_data_cmd(0xA8);
 280         send_data_cmd(0xB0);
 281         send_data_cmd(0xB8);
 282         send_data_cmd(0xC1);
 283         send_data_cmd(0xC9);
 284         send_data_cmd(0xD0);
 285         send_data_cmd(0xD7);
 286         send_data_cmd(0xE0);
 287         send_data_cmd(0xE7);
 288         send_data_cmd(0xEF);
 289         send_data_cmd(0xF7);
 290         send_data_cmd(0xFE);
 291         send_data_cmd(0xCF);
 292         send_data_cmd(0x52);
 293         send_data_cmd(0x34);
 294         send_data_cmd(0xF8);
 295         send_data_cmd(0x51);
 296         send_data_cmd(0xF5);
 297         send_data_cmd(0x9D);
 298         send_data_cmd(0x75);
 299         send_data_cmd(0x00);
 300         send_data_cmd(0x04);
 301         send_data_cmd(0x13);
 302         send_data_cmd(0x1A);
 303         send_data_cmd(0x20);
 304         send_data_cmd(0x27);
 305         send_data_cmd(0x2C);
 306         send_data_cmd(0x32);
 307         send_data_cmd(0x36);
 308         send_data_cmd(0x3F);
 309         send_data_cmd(0x47);
 310         send_data_cmd(0x50);
 311         send_data_cmd(0x59);
 312         send_data_cmd(0x60);
 313         send_data_cmd(0x68);
 314         send_data_cmd(0x71);
 315         send_data_cmd(0x7B);
 316         send_data_cmd(0x82);
 317         send_data_cmd(0x89);
 318         send_data_cmd(0x91);
 319         send_data_cmd(0x98);
 320         send_data_cmd(0xA0);
 321         send_data_cmd(0xA8);
 322         send_data_cmd(0xB0);
 323         send_data_cmd(0xB8);
 324         send_data_cmd(0xC1);
 325         send_data_cmd(0xC9);
 326         send_data_cmd(0xD0);
 327         send_data_cmd(0xD7);
 328         send_data_cmd(0xE0);
 329         send_data_cmd(0xE7);
 330         send_data_cmd(0xEF);
 331         send_data_cmd(0xF7);
 332         send_data_cmd(0xFE);
 333         send_data_cmd(0xCF);
 334         send_data_cmd(0x52);
 335         send_data_cmd(0x34);
 336         send_data_cmd(0xF8);
 337         send_data_cmd(0x51);
 338         send_data_cmd(0xF5);
 339         send_data_cmd(0x9D);
 340         send_data_cmd(0x75);
 341         send_data_cmd(0x00);
 342
 343         send_ctrl_cmd(0x3A);  // set Interface Pixel Format
 344         send_data_cmd(0x07);   // 0x07=24 Bit/Pixel; 0x06=18 Bit/Pixel; 0x05=16 Bit/Pixel
 345
 346         send_ctrl_cmd(0x51);//write display brightness
 347         send_data_cmd(0xff);//set brightness 0x00-0xff
 348         MDELAY(50);
 349
 350         send_ctrl_cmd(0x53);//write ctrl display
 351         send_data_cmd(0x24);
 352         MDELAY(50);
 353
 354         send_ctrl_cmd(0x55);
 355         send_data_cmd(0x02);//still picture
 356         MDELAY(50);
 357
 358         send_ctrl_cmd(0x5e);//write CABC minumum brightness
 359         send_data_cmd(0x70);//
 360         MDELAY(50);
 361
 362         send_ctrl_cmd(0x11);
 363         MDELAY(120);
 364 }
 365
 366
 367 // ---------------------------------------------------------------------------
 368 //  LCM Driver Implementations
 369 // ---------------------------------------------------------------------------
 370
 371 static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util)
 372 {
 373         memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS));
 374 }
 375
 376
 377 static void lcm_get_params(LCM_PARAMS *params)
 378 {
 379         memset(params, 0, sizeof(LCM_PARAMS));
 380
 381         params->type   = LCM_TYPE_DBI;
 382         params->ctrl   = LCM_CTRL_PARALLEL_DBI;
 383         params->width  = FRAME_WIDTH;
 384         params->height = FRAME_HEIGHT;
 385         params->io_select_mode = 1;
 386
 387         params->dbi.port                    = 0;
 388         params->dbi.clock_freq              = LCM_DBI_CLOCK_FREQ_104M;
 389         params->dbi.data_width              = LCM_DBI_DATA_WIDTH_24BITS;
 390         params->dbi.data_format.color_order = LCM_COLOR_ORDER_RGB;
 391         params->dbi.data_format.trans_seq   = LCM_DBI_TRANS_SEQ_MSB_FIRST;
 392         params->dbi.data_format.padding     = LCM_DBI_PADDING_ON_MSB;
 393         params->dbi.data_format.format      = LCM_DBI_FORMAT_RGB888;
 394         params->dbi.data_format.width       = LCM_DBI_DATA_WIDTH_24BITS;
 395         params->dbi.cpu_write_bits          = LCM_DBI_CPU_WRITE_32_BITS;
 396         params->dbi.io_driving_current      = LCM_DRIVING_CURRENT_8MA;
 397
 398         params->dbi.parallel.write_setup    = 1;
 399         params->dbi.parallel.write_hold     = 1;
 400         params->dbi.parallel.write_wait     = 3;
 401         params->dbi.parallel.read_setup     = 3;
 402         params->dbi.parallel.read_latency   = 20;
 403         params->dbi.parallel.wait_period    = 0;
 404
 405 }
 406
 407
 408
 409 static void lcm_init(void)
 410 {
 411         SET_RESET_PIN(0);
 412         MDELAY(25);
 413         SET_RESET_PIN(1);
 414         MDELAY(50);
 415
 416         init_lcm_registers();
 417 }
 418
 419
 420 static void lcm_suspend(void)
 421 {
 422     sw_clear_panel(0);
 423         send_ctrl_cmd(0x10);
 424         MDELAY(5);
 425 }
 426
 427
 428 static void lcm_resume(void)
 429 {
 430         send_ctrl_cmd(0x11);
 431         MDELAY(120);
 432 }
 433
 434 static void lcm_update(unsigned int x, unsigned int y,
 435                 unsigned int width, unsigned int height)
 436 {
 437         unsigned short x0, y0, x1, y1;
 438         unsigned short h_X_start,l_X_start,h_X_end,l_X_end,h_Y_start,l_Y_start,h_Y_end,l_Y_end;
 439
 440         x0 = (unsigned short)x;
 441         y0 = (unsigned short)y;
 442         x1 = (unsigned short)x+width-1;
 443         y1 = (unsigned short)y+height-1;
 444
 445         h_X_start=((x0&0xFF00)>>8);
 446         l_X_start=(x0&0x00FF);
 447         h_X_end=((x1&0xFF00)>>8);
 448         l_X_end=(x1&0x00FF);
 449
 450         h_Y_start=((y0&0xFF00)>>8);
 451         l_Y_start=(y0&0x00FF);
 452         h_Y_end=((y1&0xFF00)>>8);
 453         l_Y_end=(y1&0x00FF);
 454
 455         send_ctrl_cmd(0x2A);
 456         send_data_cmd(h_X_start);
 457         send_data_cmd(l_X_start);
 458         send_data_cmd(h_X_end);
 459         send_data_cmd(l_X_end);
 460
 461         send_ctrl_cmd(0x2B);
 462         send_data_cmd(h_Y_start);
 463         send_data_cmd(l_Y_start);
 464         send_data_cmd(h_Y_end);
 465         send_data_cmd(l_Y_end);
 466
 467         send_ctrl_cmd(0x29);
 468
 469         send_ctrl_cmd(0x2C);
 470 }
 471
 472 static void lcm_setbacklight(unsigned int level)
 473 {
 474         if(level > 255) level = 255;
 475         send_ctrl_cmd(0x51);
 476         send_data_cmd(level);
 477 }
 478 static unsigned int lcm_compare_id(void)
 479 {
 480     send_ctrl_cmd(0xB9);  // SET password
 481         send_data_cmd(0xFF);
 482         send_data_cmd(0x83);
 483         send_data_cmd(0x69);
 484     send_ctrl_cmd(0xC3);
 485         send_data_cmd(0xFF);
 486
 487         send_ctrl_cmd(0xF4);
 488         read_data_cmd();
 489     return (LCM_ID == read_data_cmd())?1:0;
 490 }
 491
 492 LCM_DRIVER hx8369_6575_lcm_drv =
 493 {
 494     .name                       = "hx8369_6575",
 495         .set_util_funcs = lcm_set_util_funcs,
 496         .get_params     = lcm_get_params,
 497         .init           = lcm_init,
 498         .suspend        = lcm_suspend,
 499         .resume         = lcm_resume,
 500         .update         = lcm_update,
 501         .set_backlight  = lcm_setbacklight,
 502         .compare_id     = lcm_compare_id,
 503 };
 504
 505