common/lcd.c

   1 /*
   2  * Common LCD routines for supported CPUs
   3  *
   4  * (C) Copyright 2001-2002
   5  * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 /************************************************************************/
  27 /* ** HEADER FILES                                                      */
  28 /************************************************************************/
  29
  30
  31 #include <config.h>
  32 #include <common.h>
  33 #include <command.h>
  34 #include <stdarg.h>
  35 #include <linux/types.h>
  36 #include <stdio_dev.h>
  37 #if defined(CONFIG_POST)
  38 #include <post.h>
  39 #endif
  40 #include <lcd.h>
  41 #include <watchdog.h>
  42
  43 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
  44 #include <asm/byteorder.h>
  45 #endif
  46
  47 #if defined(CONFIG_MPC823)
  48 #include <lcdvideo.h>
  49 #endif
  50
  51 #if defined(CONFIG_ATMEL_LCD)
  52 #include <atmel_lcdc.h>
  53 #endif
  54
  55 /************************************************************************/
  56 /* ** FONT DATA                                                         */
  57 /************************************************************************/
  58 #include <video_font.h>         /* Get font data, width and height      */
  59
  60 /************************************************************************/
  61 /* ** LOGO DATA                                                         */
  62 /************************************************************************/
  63 #ifdef CONFIG_LCD_LOGO
  64 #include <bmp_logo.h>
  65 #include <sp_bmp_logo.h>
  66 #include <thor_bmp_logo.h>
  67 #include <charge_bmp_logo.h>
  68 #include <prog_start_logo.h>
  69 #include <prog_mid_logo.h>
  70 #include <prog_end_logo.h>
  71 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
  72 #  error Default Color Map overlaps with Logo Color Map
  73 # endif
  74 #endif
  75
  76 #ifdef CONFIG_TIZEN
  77 #include "../property/tizen_misc.h"
  78 #endif
  79
  80 DECLARE_GLOBAL_DATA_PTR;
  81
  82 ulong lcd_setmem (ulong addr);
  83
  84 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
  85 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
  86 static inline void lcd_putc_xy (ushort x, ushort y, uchar  c);
  87
  88 static int lcd_init (void *lcdbase);
  89
  90 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]);
  91 static void *lcd_logo (void);
  92
  93 static int lcd_getbgcolor (void);
  94 void lcd_setfgcolor (int color);
  95 static void lcd_setbgcolor (int color);
  96
  97 extern void lcd_display(void);
  98
  99 char lcd_is_enabled = 0;
 100
 101 #ifdef  NOT_USED_SO_FAR
 102 static void lcd_getcolreg (ushort regno,
 103                                 ushort *red, ushort *green, ushort *blue);
 104 static int lcd_getfgcolor (void);
 105 #endif  /* NOT_USED_SO_FAR */
 106
 107 /************************************************************************/
 108
 109 /*----------------------------------------------------------------------*/
 110
 111 static void console_scrollup (void)
 112 {
 113         /* Copy up rows ignoring the first one */
 114         memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
 115
 116         /* Clear the last one */
 117         memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
 118 }
 119
 120 /*----------------------------------------------------------------------*/
 121
 122 static inline void console_back (void)
 123 {
 124         if (--console_col < 0) {
 125                 console_col = CONSOLE_COLS-1 ;
 126                 if (--console_row < 0) {
 127                         console_row = 0;
 128                 }
 129         }
 130
 131         lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
 132                      console_row * VIDEO_FONT_HEIGHT,
 133                      ' ');
 134 }
 135
 136 /*----------------------------------------------------------------------*/
 137
 138 static inline void console_newline (void)
 139 {
 140         ++console_row;
 141         console_col = 0;
 142
 143         /* Check if we need to scroll the terminal */
 144         if (console_row >= CONSOLE_ROWS) {
 145                 /* Scroll everything up */
 146                 console_scrollup () ;
 147                 --console_row;
 148         }
 149 }
 150
 151 /*----------------------------------------------------------------------*/
 152
 153 void lcd_putc (const char c)
 154 {
 155         if (!lcd_is_enabled) {
 156                 serial_putc(c);
 157                 return;
 158         }
 159
 160         switch (c) {
 161         case '\r':      console_col = 0;
 162                         return;
 163
 164         case '\n':      console_newline();
 165                         return;
 166
 167         case '\t':      /* Tab (8 chars alignment) */
 168                         console_col +=  8;
 169                         console_col &= ~7;
 170
 171                         if (console_col >= CONSOLE_COLS) {
 172                                 console_newline();
 173                         }
 174                         return;
 175
 176         case '\b':      console_back();
 177                         return;
 178
 179         default:        lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
 180                                      console_row * VIDEO_FONT_HEIGHT,
 181                                      c);
 182                         if (++console_col >= CONSOLE_COLS) {
 183                                 console_newline();
 184                         }
 185                         return;
 186         }
 187         /* NOTREACHED */
 188 }
 189
 190 /*----------------------------------------------------------------------*/
 191
 192 void lcd_puts (const char *s)
 193 {
 194         if (!lcd_is_enabled) {
 195                 serial_puts (s);
 196                 return;
 197         }
 198
 199         while (*s) {
 200                 lcd_putc (*s++);
 201         }
 202 }
 203
 204 /*----------------------------------------------------------------------*/
 205
 206 void lcd_printf(const char *fmt, ...)
 207 {
 208         va_list args;
 209         char buf[CONFIG_SYS_PBSIZE];
 210
 211         va_start(args, fmt);
 212         vsprintf(buf, fmt, args);
 213         va_end(args);
 214
 215         lcd_puts(buf);
 216 }
 217
 218 /************************************************************************/
 219 /* ** Low-Level Graphics Routines                                       */
 220 /************************************************************************/
 221
 222 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 223 {
 224         uchar *dest;
 225         ushort row;
 226
 227 #if LCD_BPP == LCD_MONOCHROME
 228         ushort off  = x * (1 << LCD_BPP) % 8;
 229 #endif
 230
 231         dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
 232
 233         for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
 234                 uchar *s = str;
 235                 int i;
 236 #if LCD_BPP == LCD_COLOR16
 237                 ushort *d = (ushort *)dest;
 238 #else
 239                 uchar *d = dest;
 240 #endif
 241
 242 #if LCD_BPP == LCD_MONOCHROME
 243                 uchar rest = *d & -(1 << (8-off));
 244                 uchar sym;
 245 #endif
 246                 for (i=0; i<count; ++i) {
 247                         uchar c, bits;
 248
 249                         c = *s++;
 250                         bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
 251
 252 #if LCD_BPP == LCD_MONOCHROME
 253                         sym  = (COLOR_MASK(lcd_color_fg) & bits) |
 254                                (COLOR_MASK(lcd_color_bg) & ~bits);
 255
 256                         *d++ = rest | (sym >> off);
 257                         rest = sym << (8-off);
 258 #elif LCD_BPP == LCD_COLOR8
 259                         for (c=0; c<8; ++c) {
 260                                 *d++ = (bits & 0x80) ?
 261                                                 lcd_color_fg : lcd_color_bg;
 262                                 bits <<= 1;
 263                         }
 264 #elif LCD_BPP == LCD_COLOR16
 265                         for (c=0; c<8; ++c) {
 266                                 *d++ = (bits & 0x80) ?
 267                                                 lcd_color_fg : lcd_color_bg;
 268                                 bits <<= 1;
 269                         }
 270 #endif
 271                 }
 272 #if LCD_BPP == LCD_MONOCHROME
 273                 *d  = rest | (*d & ((1 << (8-off)) - 1));
 274 #endif
 275         }
 276 }
 277
 278 /*----------------------------------------------------------------------*/
 279
 280 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
 281 {
 282 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) && !defined(CONFIG_TIZEN)
 283         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
 284 #else
 285         lcd_drawchars (x, y, s, strlen ((char *)s));
 286 #endif
 287 }
 288
 289 /*----------------------------------------------------------------------*/
 290
 291 static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
 292 {
 293 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) && !defined(CONFIG_TIZEN)
 294         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
 295 #else
 296         lcd_drawchars (x, y, &c, 1);
 297 #endif
 298 }
 299
 300 /************************************************************************/
 301 /**  Small utility to check that you got the colours right              */
 302 /************************************************************************/
 303 #ifdef LCD_TEST_PATTERN
 304
 305 #define N_BLK_VERT      2
 306 #define N_BLK_HOR       3
 307
 308 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
 309         CONSOLE_COLOR_RED,      CONSOLE_COLOR_GREEN,    CONSOLE_COLOR_YELLOW,
 310         CONSOLE_COLOR_BLUE,     CONSOLE_COLOR_MAGENTA,  CONSOLE_COLOR_CYAN,
 311 };
 312
 313 static void test_pattern (void)
 314 {
 315         ushort v_max  = panel_info.vl_row;
 316         ushort h_max  = panel_info.vl_col;
 317         ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
 318         ushort h_step = (h_max + N_BLK_HOR  - 1) / N_BLK_HOR;
 319         ushort v, h;
 320         uchar *pix = (uchar *)lcd_base;
 321
 322         printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
 323                 h_max, v_max, h_step, v_step);
 324
 325         /* WARNING: Code silently assumes 8bit/pixel */
 326         for (v=0; v<v_max; ++v) {
 327                 uchar iy = v / v_step;
 328                 for (h=0; h<h_max; ++h) {
 329                         uchar ix = N_BLK_HOR * iy + (h/h_step);
 330                         *pix++ = test_colors[ix];
 331                 }
 332         }
 333 }
 334 #endif /* LCD_TEST_PATTERN */
 335
 336
 337 /************************************************************************/
 338 /* ** GENERIC Initialization Routines                                   */
 339 /************************************************************************/
 340
 341 int drv_lcd_init (void)
 342 {
 343         struct stdio_dev lcddev;
 344         int rc = 0;
 345
 346         lcd_base = (void *)(gd->fb_base);
 347
 348         lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 349
 350         lcd_init (lcd_base);            /* LCD initialization */
 351
 352         /* Device initialization */
 353         memset (&lcddev, 0, sizeof (lcddev));
 354
 355         strcpy (lcddev.name, "lcd");
 356         lcddev.ext   = 0;                       /* No extensions */
 357         lcddev.flags = DEV_FLAGS_OUTPUT;        /* Output only */
 358         lcddev.putc  = lcd_putc;                /* 'putc' function */
 359         lcddev.puts  = lcd_puts;                /* 'puts' function */
 360
 361         rc = stdio_register (&lcddev);
 362
 363         return (rc == 0) ? 1 : rc;
 364 }
 365
 366 /*----------------------------------------------------------------------*/
 367 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 368 {
 369 #if LCD_BPP == LCD_MONOCHROME
 370         /* Setting the palette */
 371         lcd_initcolregs();
 372
 373 #elif LCD_BPP == LCD_COLOR8
 374         /* Setting the palette */
 375         lcd_setcolreg  (CONSOLE_COLOR_BLACK,       0,    0,    0);
 376         lcd_setcolreg  (CONSOLE_COLOR_RED,      0xFF,    0,    0);
 377         lcd_setcolreg  (CONSOLE_COLOR_GREEN,       0, 0xFF,    0);
 378         lcd_setcolreg  (CONSOLE_COLOR_YELLOW,   0xFF, 0xFF,    0);
 379         lcd_setcolreg  (CONSOLE_COLOR_BLUE,        0,    0, 0xFF);
 380         lcd_setcolreg  (CONSOLE_COLOR_MAGENTA,  0xFF,    0, 0xFF);
 381         lcd_setcolreg  (CONSOLE_COLOR_CYAN,        0, 0xFF, 0xFF);
 382         lcd_setcolreg  (CONSOLE_COLOR_GREY,     0xAA, 0xAA, 0xAA);
 383         lcd_setcolreg  (CONSOLE_COLOR_WHITE,    0xFF, 0xFF, 0xFF);
 384 #endif
 385
 386 #ifndef CONFIG_SYS_WHITE_ON_BLACK
 387         lcd_setfgcolor (CONSOLE_COLOR_BLACK);
 388         lcd_setbgcolor (CONSOLE_COLOR_WHITE);
 389 #else
 390         //lcd_setfgcolor (CONSOLE_COLOR_WHITE);
 391 #define CONSOLE_COLOR_RED (0x1f<<11)
 392         lcd_setfgcolor (CONSOLE_COLOR_RED);
 393         lcd_setbgcolor (CONSOLE_COLOR_BLACK);
 394 #endif  /* CONFIG_SYS_WHITE_ON_BLACK */
 395
 396 #ifdef  LCD_TEST_PATTERN
 397         test_pattern();
 398 #else
 399         /* set framebuffer to background color */
 400         memset ((char *)lcd_base,
 401                 COLOR_MASK(lcd_getbgcolor()),
 402                 lcd_line_length*panel_info.vl_row);
 403 #endif
 404         /* Paint the logo and retrieve LCD base address */
 405         debug ("[LCD] Drawing the logo...\n");
 406         lcd_console_address = lcd_logo ();
 407
 408         console_col = 0;
 409         console_row = 0;
 410
 411         return (0);
 412 }
 413
 414 U_BOOT_CMD(
 415         cls,    1,      1,      lcd_clear,
 416         "clear screen",
 417         ""
 418 );
 419
 420 /*----------------------------------------------------------------------*/
 421
 422 static int lcd_init (void *lcdbase)
 423 {
 424         /* Initialize the lcd controller */
 425         debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
 426
 427         lcd_ctrl_init (lcdbase);
 428         lcd_is_enabled = 1;
 429         lcd_clear (NULL, 1, 1, NULL);   /* dummy args */
 430         lcd_enable ();
 431
 432         /* Initialize the console */
 433         console_col = 0;
 434 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
 435         console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
 436 #else
 437         console_row = 1;        /* leave 1 blank line below logo */
 438 #endif
 439
 440         return 0;
 441 }
 442
 443
 444 /************************************************************************/
 445 /* ** ROM capable initialization part - needed to reserve FB memory     */
 446 /************************************************************************/
 447 /*
 448  * This is called early in the system initialization to grab memory
 449  * for the LCD controller.
 450  * Returns new address for monitor, after reserving LCD buffer memory
 451  *
 452  * Note that this is running from ROM, so no write access to global data.
 453  */
 454 ulong lcd_setmem (ulong addr)
 455 {
 456         ulong size;
 457         int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 458
 459         debug ("LCD panel info: %d x %d, %d bit/pix\n",
 460                 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
 461
 462         size = line_length * panel_info.vl_row;
 463
 464         /* Round up to nearest full page */
 465         size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
 466
 467         /* Allocate pages for the frame buffer. */
 468         addr -= size;
 469
 470         debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
 471
 472         return (addr);
 473 }
 474
 475 /*----------------------------------------------------------------------*/
 476
 477 void lcd_setfgcolor (int color)
 478 {
 479         lcd_color_fg = color;
 480 }
 481
 482 /*----------------------------------------------------------------------*/
 483
 484 static void lcd_setbgcolor (int color)
 485 {
 486         lcd_color_bg = color;
 487 }
 488
 489 /*----------------------------------------------------------------------*/
 490
 491 #ifdef  NOT_USED_SO_FAR
 492 static int lcd_getfgcolor (void)
 493 {
 494         return lcd_color_fg;
 495 }
 496 #endif  /* NOT_USED_SO_FAR */
 497
 498 /*----------------------------------------------------------------------*/
 499
 500 static int lcd_getbgcolor (void)
 501 {
 502         return lcd_color_bg;
 503 }
 504
 505 /*----------------------------------------------------------------------*/
 506
 507 /************************************************************************/
 508 /* ** Chipset depending Bitmap / Logo stuff...                          */
 509 /************************************************************************/
 510 #ifdef CONFIG_LCD_LOGO
 511 void _draw_image(int x, int y, int width, int height, unsigned short *palette, unsigned short *bitmap,
 512                 unsigned int *num_bitmap, unsigned int num_elem, int clear) {
 513         unsigned long i, j, k, num_pre_pixels, num_post_pixels;
 514         u16 col16;
 515         ushort *fb16;
 516
 517         fb16 = (ushort *)(lcd_base);
 518
 519         num_pre_pixels = x + y * panel_info.vl_col;
 520         num_post_pixels = (panel_info.vl_row * panel_info.vl_col) - (width * height);
 521
 522
 523         if (clear)
 524                 memset(fb16, 0x0, num_pre_pixels * 2);
 525         fb16 += num_pre_pixels;
 526
 527         i = 0;
 528         k = 0;
 529         for (i = 0; i < num_elem; i++) {
 530                 col16 = palette[bitmap[i]];
 531                 for (j = 0; j < num_bitmap[i]; j++) {
 532                         if (((k % width) == 0) && (k != 0)) {
 533                                 fb16 += panel_info.vl_col;
 534                                 if (clear)
 535                                         memset(fb16, 0x0, panel_info.vl_col * 2);
 536                         }
 537                         fb16[k % width] =
 538                                 (u16)(((col16 & 0xF) << 1) |
 539                                                 ((col16 & 0x0F0) << 3) |
 540                                                 ((col16 & 0xF00) << 4));
 541                         k++;
 542                 }
 543         }
 544
 545         if (clear)
 546                 memset(fb16, 0x0, num_post_pixels * 2);
 547 }
 548
 549 void draw_image(int mode) {
 550         switch(mode) {
 551                 case 0: /* splash */
 552                         _draw_image(103, 530, sp_width, sp_height, sp_palette, sp_bitmap, sp_num_bitmap, sp_num_elem, 1);
 553                         break;
 554                 case 1: /* thor */
 555                         _draw_image(171, 360, thor_width, thor_height, thor_palette, thor_bitmap, thor_num_bitmap, thor_num_elem, 1);
 556                         break;
 557                 case 2: /* charge */
 558                         _draw_image(270, 440, charge_width, charge_height, charge_palette, charge_bitmap, charge_num_bitmap, charge_num_elem, 1);
 559                         break;
 560         }
 561 }
 562
 563 #define DRAW_HEIGHT     925
 564 #define DRAW_STEP       57
 565 static int last_non_drawn = -1;
 566
 567 void draw_progress(int per) {
 568         int idx = (per * DRAW_STEP) / 100;
 569         int tmp;
 570
 571         if (idx < 2) {
 572                 _draw_image(180, DRAW_HEIGHT, prog_start_width, prog_start_height, prog_start_palette, prog_start_bitmap, prog_start_num_bitmap, prog_start_num_elem, 0);
 573         } else if(idx < DRAW_STEP) {
 574                 if (last_non_drawn == -1) {
 575                         _draw_image(180, DRAW_HEIGHT, prog_start_width, prog_start_height, prog_start_palette, prog_start_bitmap, prog_start_num_bitmap, prog_start_num_elem, 0);
 576                         last_non_drawn = 0;
 577                 }
 578                 tmp = last_non_drawn;
 579                 while (tmp < idx) {
 580                         _draw_image(180 + 17 + (tmp - 1) * 6, DRAW_HEIGHT, prog_mid_width, prog_mid_height, prog_mid_palette, prog_mid_bitmap, prog_mid_num_bitmap, prog_mid_num_elem, 0);
 581                         tmp++;
 582                 }
 583                 if (last_non_drawn < idx)
 584                         last_non_drawn = idx;
 585         } else {
 586                 if (idx == DRAW_STEP)
 587                         _draw_image(180, DRAW_HEIGHT, prog_start_width, prog_start_height, prog_start_palette, prog_start_bitmap, prog_start_num_bitmap, prog_start_num_elem, 0);
 588                 tmp = last_non_drawn;
 589                 while (tmp < idx) {
 590                         _draw_image(180 + 17 + (tmp - 1) * 6, DRAW_HEIGHT, prog_mid_width, prog_mid_height, prog_mid_palette, prog_mid_bitmap, prog_mid_num_bitmap, prog_mid_num_elem, 0);
 591                         tmp++;
 592                 }
 593
 594                 _draw_image(180 + 17 + (DRAW_STEP - 2) * 6, DRAW_HEIGHT, prog_end_width, prog_end_height, prog_end_palette, prog_end_bitmap, prog_end_num_bitmap, prog_end_num_elem, 0);
 595
 596                 if (last_non_drawn < idx)
 597                         last_non_drawn = idx;
 598         }
 599 }
 600
 601 void bitmap_plot (int x, int y, int mode)
 602 {
 603 #ifdef CONFIG_ATMEL_LCD
 604         uint *cmap;
 605 #else
 606         ushort *cmap;
 607 #endif
 608         ushort i;
 609         uchar *bmap;
 610         uchar *fb;
 611 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 612         struct pxafb_info *fbi = &panel_info.pxa;
 613 #elif defined(CONFIG_MPC823)
 614         volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 615         volatile cpm8xx_t *cp = &(immr->im_cpm);
 616 #endif
 617
 618         debug ("Logo: width %d  height %d  colors %d  cmap %d\n",
 619                 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
 620                 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
 621
 622         bmap = &bmp_logo_bitmap[0];
 623         fb   = (uchar *)(lcd_base + y * lcd_line_length + x);
 624
 625         if (NBITS(panel_info.vl_bpix) < 12) {
 626                 /* Leave room for default color map */
 627 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 628                 cmap = (ushort *)fbi->palette;
 629 #elif defined(CONFIG_MPC823)
 630                 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
 631 #elif defined(CONFIG_ATMEL_LCD)
 632                 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
 633 #else
 634                 /*
 635                  * default case: generic system with no cmap (most likely 16bpp)
 636                  * We set cmap to the source palette, so no change is done.
 637                  * This avoids even more ifdef in the next stanza
 638                  */
 639                 cmap = bmp_logo_palette;
 640 #endif
 641
 642                 WATCHDOG_RESET();
 643
 644                 /* Set color map */
 645                 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
 646                         ushort colreg = bmp_logo_palette[i];
 647 #ifdef CONFIG_ATMEL_LCD
 648                         uint lut_entry;
 649 #ifdef CONFIG_ATMEL_LCD_BGR555
 650                         lut_entry = ((colreg & 0x000F) << 11) |
 651                                     ((colreg & 0x00F0) <<  2) |
 652                                     ((colreg & 0x0F00) >>  7);
 653 #else /* CONFIG_ATMEL_LCD_RGB565 */
 654                         lut_entry = ((colreg & 0x000F) << 1) |
 655                                     ((colreg & 0x00F0) << 3) |
 656                                     ((colreg & 0x0F00) << 4);
 657 #endif
 658                         *(cmap + BMP_LOGO_OFFSET) = lut_entry;
 659                         cmap++;
 660 #else /* !CONFIG_ATMEL_LCD */
 661 #ifdef  CONFIG_SYS_INVERT_COLORS
 662                         *cmap++ = 0xffff - colreg;
 663 #else
 664                         *cmap++ = colreg;
 665 #endif
 666 #endif /* CONFIG_ATMEL_LCD */
 667                 }
 668
 669                 WATCHDOG_RESET();
 670
 671                 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
 672                         memcpy (fb, bmap, BMP_LOGO_WIDTH);
 673                         bmap += BMP_LOGO_WIDTH;
 674                         fb   += panel_info.vl_col;
 675                 }
 676         }
 677         else { /* true color mode */
 678                 draw_image(mode);
 679                 lcd_display();
 680         }
 681
 682         WATCHDOG_RESET();
 683 }
 684 #endif /* CONFIG_LCD_LOGO */
 685
 686 /*----------------------------------------------------------------------*/
 687 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 688 /*
 689  * Display the BMP file located at address bmp_image.
 690  * Only uncompressed.
 691  */
 692
 693 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
 694 #define BMP_ALIGN_CENTER        0x7FFF
 695 #endif
 696
 697 int lcd_display_bitmap(ulong bmp_image, int x, int y)
 698 {
 699 #if !defined(CONFIG_MCC200)
 700         ushort *cmap = NULL;
 701 #endif
 702         ushort *cmap_base = NULL;
 703         ushort i, j;
 704         uchar *fb;
 705         bmp_image_t *bmp=(bmp_image_t *)bmp_image;
 706         uchar *bmap;
 707         ushort padded_line;
 708         unsigned long width, height, byte_width;
 709         unsigned long pwidth = panel_info.vl_col;
 710         unsigned colors, bpix, bmp_bpix;
 711 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 712         struct pxafb_info *fbi = &panel_info.pxa;
 713 #elif defined(CONFIG_MPC823)
 714         volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 715         volatile cpm8xx_t *cp = &(immr->im_cpm);
 716 #endif
 717
 718         if (!((bmp->header.signature[0]=='B') &&
 719                 (bmp->header.signature[1]=='M'))) {
 720                 printf ("Error: no valid bmp image at %lx\n", bmp_image);
 721                 return 1;
 722         }
 723
 724         width = le32_to_cpu (bmp->header.width);
 725         height = le32_to_cpu (bmp->header.height);
 726         bmp_bpix = le16_to_cpu(bmp->header.bit_count);
 727         colors = 1 << bmp_bpix;
 728
 729         bpix = NBITS(panel_info.vl_bpix);
 730
 731         if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
 732                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
 733                         bpix, bmp_bpix);
 734                 return 1;
 735         }
 736
 737         /* We support displaying 8bpp BMPs on 16bpp LCDs */
 738         if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
 739                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
 740                         bpix,
 741                         le16_to_cpu(bmp->header.bit_count));
 742                 return 1;
 743         }
 744
 745         debug ("Display-bmp: %d x %d  with %d colors\n",
 746                 (int)width, (int)height, (int)colors);
 747
 748 #if !defined(CONFIG_MCC200)
 749         /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
 750         if (bmp_bpix == 8) {
 751 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 752                 cmap = (ushort *)fbi->palette;
 753 #elif defined(CONFIG_MPC823)
 754                 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
 755 #elif !defined(CONFIG_ATMEL_LCD)
 756                 cmap = panel_info.cmap;
 757 #endif
 758
 759                 cmap_base = cmap;
 760
 761                 /* Set color map */
 762                 for (i=0; i<colors; ++i) {
 763                         bmp_color_table_entry_t cte = bmp->color_table[i];
 764 #if !defined(CONFIG_ATMEL_LCD)
 765                         ushort colreg =
 766                                 ( ((cte.red)   << 8) & 0xf800) |
 767                                 ( ((cte.green) << 3) & 0x07e0) |
 768                                 ( ((cte.blue)  >> 3) & 0x001f) ;
 769 #ifdef CONFIG_SYS_INVERT_COLORS
 770                         *cmap = 0xffff - colreg;
 771 #else
 772                         *cmap = colreg;
 773 #endif
 774 #if defined(CONFIG_MPC823)
 775                         cmap--;
 776 #else
 777                         cmap++;
 778 #endif
 779 #else /* CONFIG_ATMEL_LCD */
 780                         lcd_setcolreg(i, cte.red, cte.green, cte.blue);
 781 #endif
 782                 }
 783         }
 784 #endif
 785
 786         /*
 787          *  BMP format for Monochrome assumes that the state of a
 788          * pixel is described on a per Bit basis, not per Byte.
 789          *  So, in case of Monochrome BMP we should align widths
 790          * on a byte boundary and convert them from Bit to Byte
 791          * units.
 792          *  Probably, PXA250 and MPC823 process 1bpp BMP images in
 793          * their own ways, so make the converting to be MCC200
 794          * specific.
 795          */
 796 #if defined(CONFIG_MCC200)
 797         if (bpix==1)
 798         {
 799                 width = ((width + 7) & ~7) >> 3;
 800                 x     = ((x + 7) & ~7) >> 3;
 801                 pwidth= ((pwidth + 7) & ~7) >> 3;
 802         }
 803 #endif
 804
 805         padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
 806
 807 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
 808         if (x == BMP_ALIGN_CENTER)
 809                 x = max(0, (pwidth - width) / 2);
 810         else if (x < 0)
 811                 x = max(0, pwidth - width + x + 1);
 812
 813         if (y == BMP_ALIGN_CENTER)
 814                 y = max(0, (panel_info.vl_row - height) / 2);
 815         else if (y < 0)
 816                 y = max(0, panel_info.vl_row - height + y + 1);
 817 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 818
 819         if ((x + width)>pwidth)
 820                 width = pwidth - x;
 821         if ((y + height)>panel_info.vl_row)
 822                 height = panel_info.vl_row - y;
 823
 824         bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
 825         fb   = (uchar *) (lcd_base +
 826                 (y + height - 1) * lcd_line_length + x);
 827
 828         switch (bmp_bpix) {
 829         case 1: /* pass through */
 830         case 8:
 831                 if (bpix != 16)
 832                         byte_width = width;
 833                 else
 834                         byte_width = width * 2;
 835
 836                 for (i = 0; i < height; ++i) {
 837                         WATCHDOG_RESET();
 838                         for (j = 0; j < width; j++) {
 839                                 if (bpix != 16) {
 840 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS || defined(CONFIG_ATMEL_LCD)
 841                                         *(fb++) = *(bmap++);
 842 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
 843                                         *(fb++) = 255 - *(bmap++);
 844 #endif
 845                                 } else {
 846                                         *(uint16_t *)fb = cmap_base[*(bmap++)];
 847                                         fb += sizeof(uint16_t) / sizeof(*fb);
 848                                 }
 849                         }
 850                         bmap += (width - padded_line);
 851                         fb   -= (byte_width + lcd_line_length);
 852                 }
 853                 break;
 854
 855 #if defined(CONFIG_BMP_16BPP)
 856         case 16:
 857                 for (i = 0; i < height; ++i) {
 858                         WATCHDOG_RESET();
 859                         for (j = 0; j < width; j++) {
 860 #if defined(CONFIG_ATMEL_LCD_BGR555)
 861                                 *(fb++) = ((bmap[0] & 0x1f) << 2) |
 862                                         (bmap[1] & 0x03);
 863                                 *(fb++) = (bmap[0] & 0xe0) |
 864                                         ((bmap[1] & 0x7c) >> 2);
 865                                 bmap += 2;
 866 #else
 867                                 *(fb++) = *(bmap++);
 868                                 *(fb++) = *(bmap++);
 869 #endif
 870                         }
 871                         bmap += (padded_line - width) * 2;
 872                         fb   -= (width * 2 + lcd_line_length);
 873                 }
 874                 break;
 875 #endif /* CONFIG_BMP_16BPP */
 876
 877         default:
 878                 break;
 879         };
 880
 881         return (0);
 882 }
 883 #endif
 884
 885 static void *lcd_logo (void)
 886 {
 887 #ifdef CONFIG_SPLASH_SCREEN
 888         char *s;
 889         ulong addr;
 890         static int do_splash = 1;
 891
 892         if (do_splash && (s = getenv("splashimage")) != NULL) {
 893                 int x = 0, y = 0;
 894                 do_splash = 0;
 895
 896                 addr = simple_strtoul (s, NULL, 16);
 897 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
 898                 if ((s = getenv ("splashpos")) != NULL) {
 899                         if (s[0] == 'm')
 900                                 x = BMP_ALIGN_CENTER;
 901                         else
 902                                 x = simple_strtol (s, NULL, 0);
 903
 904                         if ((s = strchr (s + 1, ',')) != NULL) {
 905                                 if (s[1] == 'm')
 906                                         y = BMP_ALIGN_CENTER;
 907                                 else
 908                                         y = simple_strtol (s + 1, NULL, 0);
 909                         }
 910                 }
 911 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 912
 913 #ifdef CONFIG_VIDEO_BMP_GZIP
 914                 bmp_image_t *bmp = (bmp_image_t *)addr;
 915                 unsigned long len;
 916
 917                 if (!((bmp->header.signature[0]=='B') &&
 918                       (bmp->header.signature[1]=='M'))) {
 919                         addr = (ulong)gunzip_bmp(addr, &len);
 920                 }
 921 #endif
 922
 923                 if (lcd_display_bitmap (addr, x, y) == 0) {
 924                         return ((void *)lcd_base);
 925                 }
 926         }
 927 #endif /* CONFIG_SPLASH_SCREEN */
 928
 929 #ifdef CONFIG_LCD_INFO
 930         console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
 931         console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
 932         lcd_show_board_info();
 933 #endif /* CONFIG_LCD_INFO */
 934
 935 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) && !defined(CONFIG_TIZEN)
 936         return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
 937 #else
 938         return ((void *)lcd_base);
 939 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
 940 }
 941
 942 void lcd_set_cur_pos(short row, short col)
 943 {
 944         console_row = row;
 945         console_col = col;
 946 }
 947 /************************************************************************/
 948 /************************************************************************/