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
  98 char lcd_is_enabled = 0;
  99
 100 #ifdef  NOT_USED_SO_FAR
 101 static void lcd_getcolreg (ushort regno,
 102                                 ushort *red, ushort *green, ushort *blue);
 103 static int lcd_getfgcolor (void);
 104 #endif  /* NOT_USED_SO_FAR */
 105
 106 /************************************************************************/
 107
 108 /*----------------------------------------------------------------------*/
 109
 110 static void console_scrollup (void)
 111 {
 112         /* Copy up rows ignoring the first one */
 113         memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
 114
 115         /* Clear the last one */
 116         memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
 117 }
 118
 119 /*----------------------------------------------------------------------*/
 120
 121 static inline void console_back (void)
 122 {
 123         if (--console_col < 0) {
 124                 console_col = CONSOLE_COLS-1 ;
 125                 if (--console_row < 0) {
 126                         console_row = 0;
 127                 }
 128         }
 129
 130         lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
 131                      console_row * VIDEO_FONT_HEIGHT,
 132                      ' ');
 133 }
 134
 135 /*----------------------------------------------------------------------*/
 136
 137 static inline void console_newline (void)
 138 {
 139         ++console_row;
 140         console_col = 0;
 141
 142         /* Check if we need to scroll the terminal */
 143         if (console_row >= CONSOLE_ROWS) {
 144                 /* Scroll everything up */
 145                 console_scrollup () ;
 146                 --console_row;
 147         }
 148 }
 149
 150 /*----------------------------------------------------------------------*/
 151
 152 void lcd_putc (const char c)
 153 {
 154         if (!lcd_is_enabled) {
 155                 serial_putc(c);
 156                 return;
 157         }
 158
 159         switch (c) {
 160         case '\r':      console_col = 0;
 161                         return;
 162
 163         case '\n':      console_newline();
 164                         return;
 165
 166         case '\t':      /* Tab (8 chars alignment) */
 167                         console_col +=  8;
 168                         console_col &= ~7;
 169
 170                         if (console_col >= CONSOLE_COLS) {
 171                                 console_newline();
 172                         }
 173                         return;
 174
 175         case '\b':      console_back();
 176                         return;
 177
 178         default:        lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
 179                                      console_row * VIDEO_FONT_HEIGHT,
 180                                      c);
 181                         if (++console_col >= CONSOLE_COLS) {
 182                                 console_newline();
 183                         }
 184                         return;
 185         }
 186         /* NOTREACHED */
 187 }
 188
 189 /*----------------------------------------------------------------------*/
 190
 191 void lcd_puts (const char *s)
 192 {
 193         if (!lcd_is_enabled) {
 194                 serial_puts (s);
 195                 return;
 196         }
 197
 198         while (*s) {
 199                 lcd_putc (*s++);
 200         }
 201 }
 202
 203 /*----------------------------------------------------------------------*/
 204
 205 void lcd_printf(const char *fmt, ...)
 206 {
 207         va_list args;
 208         char buf[CONFIG_SYS_PBSIZE];
 209
 210         va_start(args, fmt);
 211         vsprintf(buf, fmt, args);
 212         va_end(args);
 213
 214         lcd_puts(buf);
 215 }
 216
 217 /************************************************************************/
 218 /* ** Low-Level Graphics Routines                                       */
 219 /************************************************************************/
 220
 221 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 222 {
 223         uchar *dest;
 224         ushort row;
 225
 226 #if LCD_BPP == LCD_MONOCHROME
 227         ushort off  = x * (1 << LCD_BPP) % 8;
 228 #endif
 229
 230         dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
 231
 232         for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
 233                 uchar *s = str;
 234                 int i;
 235 #if LCD_BPP == LCD_COLOR16
 236                 ushort *d = (ushort *)dest;
 237 #else
 238                 uchar *d = dest;
 239 #endif
 240
 241 #if LCD_BPP == LCD_MONOCHROME
 242                 uchar rest = *d & -(1 << (8-off));
 243                 uchar sym;
 244 #endif
 245                 for (i=0; i<count; ++i) {
 246                         uchar c, bits;
 247
 248                         c = *s++;
 249                         bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
 250
 251 #if LCD_BPP == LCD_MONOCHROME
 252                         sym  = (COLOR_MASK(lcd_color_fg) & bits) |
 253                                (COLOR_MASK(lcd_color_bg) & ~bits);
 254
 255                         *d++ = rest | (sym >> off);
 256                         rest = sym << (8-off);
 257 #elif LCD_BPP == LCD_COLOR8
 258                         for (c=0; c<8; ++c) {
 259                                 *d++ = (bits & 0x80) ?
 260                                                 lcd_color_fg : lcd_color_bg;
 261                                 bits <<= 1;
 262                         }
 263 #elif LCD_BPP == LCD_COLOR16
 264                         for (c=0; c<8; ++c) {
 265                                 *d++ = (bits & 0x80) ?
 266                                                 lcd_color_fg : lcd_color_bg;
 267                                 bits <<= 1;
 268                         }
 269 #endif
 270                 }
 271 #if LCD_BPP == LCD_MONOCHROME
 272                 *d  = rest | (*d & ((1 << (8-off)) - 1));
 273 #endif
 274         }
 275 }
 276
 277 /*----------------------------------------------------------------------*/
 278
 279 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
 280 {
 281 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) && !defined(CONFIG_TIZEN)
 282         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
 283 #else
 284         lcd_drawchars (x, y, s, strlen ((char *)s));
 285 #endif
 286 }
 287
 288 /*----------------------------------------------------------------------*/
 289
 290 static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
 291 {
 292 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) && !defined(CONFIG_TIZEN)
 293         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
 294 #else
 295         lcd_drawchars (x, y, &c, 1);
 296 #endif
 297 }
 298
 299 /************************************************************************/
 300 /**  Small utility to check that you got the colours right              */
 301 /************************************************************************/
 302 #ifdef LCD_TEST_PATTERN
 303
 304 #define N_BLK_VERT      2
 305 #define N_BLK_HOR       3
 306
 307 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
 308         CONSOLE_COLOR_RED,      CONSOLE_COLOR_GREEN,    CONSOLE_COLOR_YELLOW,
 309         CONSOLE_COLOR_BLUE,     CONSOLE_COLOR_MAGENTA,  CONSOLE_COLOR_CYAN,
 310 };
 311
 312 static void test_pattern (void)
 313 {
 314         ushort v_max  = panel_info.vl_row;
 315         ushort h_max  = panel_info.vl_col;
 316         ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
 317         ushort h_step = (h_max + N_BLK_HOR  - 1) / N_BLK_HOR;
 318         ushort v, h;
 319         uchar *pix = (uchar *)lcd_base;
 320
 321         printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
 322                 h_max, v_max, h_step, v_step);
 323
 324         /* WARNING: Code silently assumes 8bit/pixel */
 325         for (v=0; v<v_max; ++v) {
 326                 uchar iy = v / v_step;
 327                 for (h=0; h<h_max; ++h) {
 328                         uchar ix = N_BLK_HOR * iy + (h/h_step);
 329                         *pix++ = test_colors[ix];
 330                 }
 331         }
 332 }
 333 #endif /* LCD_TEST_PATTERN */
 334
 335
 336 /************************************************************************/
 337 /* ** GENERIC Initialization Routines                                   */
 338 /************************************************************************/
 339
 340 int drv_lcd_init (void)
 341 {
 342         struct stdio_dev lcddev;
 343         int rc = 0;
 344
 345         lcd_base = (void *)(gd->fb_base);
 346
 347         lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 348
 349         lcd_init (lcd_base);            /* LCD initialization */
 350
 351         /* Device initialization */
 352         memset (&lcddev, 0, sizeof (lcddev));
 353
 354         strcpy (lcddev.name, "lcd");
 355         lcddev.ext   = 0;                       /* No extensions */
 356         lcddev.flags = DEV_FLAGS_OUTPUT;        /* Output only */
 357         lcddev.putc  = lcd_putc;                /* 'putc' function */
 358         lcddev.puts  = lcd_puts;                /* 'puts' function */
 359
 360         rc = stdio_register (&lcddev);
 361
 362         return (rc == 0) ? 1 : rc;
 363 }
 364
 365 /*----------------------------------------------------------------------*/
 366 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 367 {
 368 #if LCD_BPP == LCD_MONOCHROME
 369         /* Setting the palette */
 370         lcd_initcolregs();
 371
 372 #elif LCD_BPP == LCD_COLOR8
 373         /* Setting the palette */
 374         lcd_setcolreg  (CONSOLE_COLOR_BLACK,       0,    0,    0);
 375         lcd_setcolreg  (CONSOLE_COLOR_RED,      0xFF,    0,    0);
 376         lcd_setcolreg  (CONSOLE_COLOR_GREEN,       0, 0xFF,    0);
 377         lcd_setcolreg  (CONSOLE_COLOR_YELLOW,   0xFF, 0xFF,    0);
 378         lcd_setcolreg  (CONSOLE_COLOR_BLUE,        0,    0, 0xFF);
 379         lcd_setcolreg  (CONSOLE_COLOR_MAGENTA,  0xFF,    0, 0xFF);
 380         lcd_setcolreg  (CONSOLE_COLOR_CYAN,        0, 0xFF, 0xFF);
 381         lcd_setcolreg  (CONSOLE_COLOR_GREY,     0xAA, 0xAA, 0xAA);
 382         lcd_setcolreg  (CONSOLE_COLOR_WHITE,    0xFF, 0xFF, 0xFF);
 383 #endif
 384
 385 #ifndef CONFIG_SYS_WHITE_ON_BLACK
 386         lcd_setfgcolor (CONSOLE_COLOR_BLACK);
 387         lcd_setbgcolor (CONSOLE_COLOR_WHITE);
 388 #else
 389         //lcd_setfgcolor (CONSOLE_COLOR_WHITE);
 390 #define CONSOLE_COLOR_RED (0x1f<<11)
 391         lcd_setfgcolor (CONSOLE_COLOR_RED);
 392         lcd_setbgcolor (CONSOLE_COLOR_BLACK);
 393 #endif  /* CONFIG_SYS_WHITE_ON_BLACK */
 394
 395 #ifdef  LCD_TEST_PATTERN
 396         test_pattern();
 397 #else
 398         /* set framebuffer to background color */
 399         memset ((char *)lcd_base,
 400                 COLOR_MASK(lcd_getbgcolor()),
 401                 lcd_line_length*panel_info.vl_row);
 402 #endif
 403         /* Paint the logo and retrieve LCD base address */
 404         debug ("[LCD] Drawing the logo...\n");
 405         lcd_console_address = lcd_logo ();
 406
 407         console_col = 0;
 408         console_row = 0;
 409
 410         return (0);
 411 }
 412
 413 U_BOOT_CMD(
 414         cls,    1,      1,      lcd_clear,
 415         "clear screen",
 416         ""
 417 );
 418
 419 /*----------------------------------------------------------------------*/
 420
 421 static int lcd_init (void *lcdbase)
 422 {
 423         /* Initialize the lcd controller */
 424         debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
 425
 426         lcd_ctrl_init (lcdbase);
 427         lcd_is_enabled = 1;
 428         lcd_clear (NULL, 1, 1, NULL);   /* dummy args */
 429         lcd_enable ();
 430
 431         /* Initialize the console */
 432         console_col = 0;
 433 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
 434         console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
 435 #else
 436         console_row = 1;        /* leave 1 blank line below logo */
 437 #endif
 438
 439         return 0;
 440 }
 441
 442
 443 /************************************************************************/
 444 /* ** ROM capable initialization part - needed to reserve FB memory     */
 445 /************************************************************************/
 446 /*
 447  * This is called early in the system initialization to grab memory
 448  * for the LCD controller.
 449  * Returns new address for monitor, after reserving LCD buffer memory
 450  *
 451  * Note that this is running from ROM, so no write access to global data.
 452  */
 453 ulong lcd_setmem (ulong addr)
 454 {
 455         ulong size;
 456         int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 457
 458         debug ("LCD panel info: %d x %d, %d bit/pix\n",
 459                 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
 460
 461         size = line_length * panel_info.vl_row;
 462
 463         /* Round up to nearest full page */
 464         size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
 465
 466         /* Allocate pages for the frame buffer. */
 467         addr -= size;
 468
 469         debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
 470
 471         return (addr);
 472 }
 473
 474 /*----------------------------------------------------------------------*/
 475
 476 void lcd_setfgcolor (int color)
 477 {
 478         lcd_color_fg = color;
 479 }
 480
 481 /*----------------------------------------------------------------------*/
 482
 483 static void lcd_setbgcolor (int color)
 484 {
 485         lcd_color_bg = color;
 486 }
 487
 488 /*----------------------------------------------------------------------*/
 489
 490 #ifdef  NOT_USED_SO_FAR
 491 static int lcd_getfgcolor (void)
 492 {
 493         return lcd_color_fg;
 494 }
 495 #endif  /* NOT_USED_SO_FAR */
 496
 497 /*----------------------------------------------------------------------*/
 498
 499 static int lcd_getbgcolor (void)
 500 {
 501         return lcd_color_bg;
 502 }
 503
 504 /*----------------------------------------------------------------------*/
 505
 506 /************************************************************************/
 507 /* ** Chipset depending Bitmap / Logo stuff...                          */
 508 /************************************************************************/
 509 #ifdef CONFIG_LCD_LOGO
 510 void _draw_image(int x, int y, int width, int height, unsigned short *palette, unsigned short *bitmap,
 511                 unsigned int *num_bitmap, unsigned int num_elem, int clear) {
 512         unsigned long i, j, k, num_pre_pixels, num_post_pixels;
 513         unsigned int tmp;
 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, j;
 609         uchar *bmap;
 610         uchar *fb;
 611         ushort *fb16;
 612 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 613         struct pxafb_info *fbi = &panel_info.pxa;
 614 #elif defined(CONFIG_MPC823)
 615         volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 616         volatile cpm8xx_t *cp = &(immr->im_cpm);
 617 #endif
 618
 619         debug ("Logo: width %d  height %d  colors %d  cmap %d\n",
 620                 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
 621                 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
 622
 623         bmap = &bmp_logo_bitmap[0];
 624         fb   = (uchar *)(lcd_base + y * lcd_line_length + x);
 625
 626         if (NBITS(panel_info.vl_bpix) < 12) {
 627                 /* Leave room for default color map */
 628 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 629                 cmap = (ushort *)fbi->palette;
 630 #elif defined(CONFIG_MPC823)
 631                 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
 632 #elif defined(CONFIG_ATMEL_LCD)
 633                 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
 634 #else
 635                 /*
 636                  * default case: generic system with no cmap (most likely 16bpp)
 637                  * We set cmap to the source palette, so no change is done.
 638                  * This avoids even more ifdef in the next stanza
 639                  */
 640                 cmap = bmp_logo_palette;
 641 #endif
 642
 643                 WATCHDOG_RESET();
 644
 645                 /* Set color map */
 646                 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
 647                         ushort colreg = bmp_logo_palette[i];
 648 #ifdef CONFIG_ATMEL_LCD
 649                         uint lut_entry;
 650 #ifdef CONFIG_ATMEL_LCD_BGR555
 651                         lut_entry = ((colreg & 0x000F) << 11) |
 652                                     ((colreg & 0x00F0) <<  2) |
 653                                     ((colreg & 0x0F00) >>  7);
 654 #else /* CONFIG_ATMEL_LCD_RGB565 */
 655                         lut_entry = ((colreg & 0x000F) << 1) |
 656                                     ((colreg & 0x00F0) << 3) |
 657                                     ((colreg & 0x0F00) << 4);
 658 #endif
 659                         *(cmap + BMP_LOGO_OFFSET) = lut_entry;
 660                         cmap++;
 661 #else /* !CONFIG_ATMEL_LCD */
 662 #ifdef  CONFIG_SYS_INVERT_COLORS
 663                         *cmap++ = 0xffff - colreg;
 664 #else
 665                         *cmap++ = colreg;
 666 #endif
 667 #endif /* CONFIG_ATMEL_LCD */
 668                 }
 669
 670                 WATCHDOG_RESET();
 671
 672                 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
 673                         memcpy (fb, bmap, BMP_LOGO_WIDTH);
 674                         bmap += BMP_LOGO_WIDTH;
 675                         fb   += panel_info.vl_col;
 676                 }
 677         }
 678         else { /* true color mode */
 679                 draw_image(mode);
 680                 lcd_display();
 681         }
 682
 683         WATCHDOG_RESET();
 684 }
 685 #endif /* CONFIG_LCD_LOGO */
 686
 687 /*----------------------------------------------------------------------*/
 688 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 689 /*
 690  * Display the BMP file located at address bmp_image.
 691  * Only uncompressed.
 692  */
 693
 694 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
 695 #define BMP_ALIGN_CENTER        0x7FFF
 696 #endif
 697
 698 int lcd_display_bitmap(ulong bmp_image, int x, int y)
 699 {
 700 #if !defined(CONFIG_MCC200)
 701         ushort *cmap = NULL;
 702 #endif
 703         ushort *cmap_base = NULL;
 704         ushort i, j;
 705         uchar *fb;
 706         bmp_image_t *bmp=(bmp_image_t *)bmp_image;
 707         uchar *bmap;
 708         ushort padded_line;
 709         unsigned long width, height, byte_width;
 710         unsigned long pwidth = panel_info.vl_col;
 711         unsigned colors, bpix, bmp_bpix;
 712 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 713         struct pxafb_info *fbi = &panel_info.pxa;
 714 #elif defined(CONFIG_MPC823)
 715         volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 716         volatile cpm8xx_t *cp = &(immr->im_cpm);
 717 #endif
 718
 719         if (!((bmp->header.signature[0]=='B') &&
 720                 (bmp->header.signature[1]=='M'))) {
 721                 printf ("Error: no valid bmp image at %lx\n", bmp_image);
 722                 return 1;
 723         }
 724
 725         width = le32_to_cpu (bmp->header.width);
 726         height = le32_to_cpu (bmp->header.height);
 727         bmp_bpix = le16_to_cpu(bmp->header.bit_count);
 728         colors = 1 << bmp_bpix;
 729
 730         bpix = NBITS(panel_info.vl_bpix);
 731
 732         if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
 733                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
 734                         bpix, bmp_bpix);
 735                 return 1;
 736         }
 737
 738         /* We support displaying 8bpp BMPs on 16bpp LCDs */
 739         if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
 740                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
 741                         bpix,
 742                         le16_to_cpu(bmp->header.bit_count));
 743                 return 1;
 744         }
 745
 746         debug ("Display-bmp: %d x %d  with %d colors\n",
 747                 (int)width, (int)height, (int)colors);
 748
 749 #if !defined(CONFIG_MCC200)
 750         /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
 751         if (bmp_bpix == 8) {
 752 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS
 753                 cmap = (ushort *)fbi->palette;
 754 #elif defined(CONFIG_MPC823)
 755                 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
 756 #elif !defined(CONFIG_ATMEL_LCD)
 757                 cmap = panel_info.cmap;
 758 #endif
 759
 760                 cmap_base = cmap;
 761
 762                 /* Set color map */
 763                 for (i=0; i<colors; ++i) {
 764                         bmp_color_table_entry_t cte = bmp->color_table[i];
 765 #if !defined(CONFIG_ATMEL_LCD)
 766                         ushort colreg =
 767                                 ( ((cte.red)   << 8) & 0xf800) |
 768                                 ( ((cte.green) << 3) & 0x07e0) |
 769                                 ( ((cte.blue)  >> 3) & 0x001f) ;
 770 #ifdef CONFIG_SYS_INVERT_COLORS
 771                         *cmap = 0xffff - colreg;
 772 #else
 773                         *cmap = colreg;
 774 #endif
 775 #if defined(CONFIG_MPC823)
 776                         cmap--;
 777 #else
 778                         cmap++;
 779 #endif
 780 #else /* CONFIG_ATMEL_LCD */
 781                         lcd_setcolreg(i, cte.red, cte.green, cte.blue);
 782 #endif
 783                 }
 784         }
 785 #endif
 786
 787         /*
 788          *  BMP format for Monochrome assumes that the state of a
 789          * pixel is described on a per Bit basis, not per Byte.
 790          *  So, in case of Monochrome BMP we should align widths
 791          * on a byte boundary and convert them from Bit to Byte
 792          * units.
 793          *  Probably, PXA250 and MPC823 process 1bpp BMP images in
 794          * their own ways, so make the converting to be MCC200
 795          * specific.
 796          */
 797 #if defined(CONFIG_MCC200)
 798         if (bpix==1)
 799         {
 800                 width = ((width + 7) & ~7) >> 3;
 801                 x     = ((x + 7) & ~7) >> 3;
 802                 pwidth= ((pwidth + 7) & ~7) >> 3;
 803         }
 804 #endif
 805
 806         padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
 807
 808 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
 809         if (x == BMP_ALIGN_CENTER)
 810                 x = max(0, (pwidth - width) / 2);
 811         else if (x < 0)
 812                 x = max(0, pwidth - width + x + 1);
 813
 814         if (y == BMP_ALIGN_CENTER)
 815                 y = max(0, (panel_info.vl_row - height) / 2);
 816         else if (y < 0)
 817                 y = max(0, panel_info.vl_row - height + y + 1);
 818 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 819
 820         if ((x + width)>pwidth)
 821                 width = pwidth - x;
 822         if ((y + height)>panel_info.vl_row)
 823                 height = panel_info.vl_row - y;
 824
 825         bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
 826         fb   = (uchar *) (lcd_base +
 827                 (y + height - 1) * lcd_line_length + x);
 828
 829         switch (bmp_bpix) {
 830         case 1: /* pass through */
 831         case 8:
 832                 if (bpix != 16)
 833                         byte_width = width;
 834                 else
 835                         byte_width = width * 2;
 836
 837                 for (i = 0; i < height; ++i) {
 838                         WATCHDOG_RESET();
 839                         for (j = 0; j < width; j++) {
 840                                 if (bpix != 16) {
 841 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS || defined(CONFIG_ATMEL_LCD)
 842                                         *(fb++) = *(bmap++);
 843 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
 844                                         *(fb++) = 255 - *(bmap++);
 845 #endif
 846                                 } else {
 847                                         *(uint16_t *)fb = cmap_base[*(bmap++)];
 848                                         fb += sizeof(uint16_t) / sizeof(*fb);
 849                                 }
 850                         }
 851                         bmap += (width - padded_line);
 852                         fb   -= (byte_width + lcd_line_length);
 853                 }
 854                 break;
 855
 856 #if defined(CONFIG_BMP_16BPP)
 857         case 16:
 858                 for (i = 0; i < height; ++i) {
 859                         WATCHDOG_RESET();
 860                         for (j = 0; j < width; j++) {
 861 #if defined(CONFIG_ATMEL_LCD_BGR555)
 862                                 *(fb++) = ((bmap[0] & 0x1f) << 2) |
 863                                         (bmap[1] & 0x03);
 864                                 *(fb++) = (bmap[0] & 0xe0) |
 865                                         ((bmap[1] & 0x7c) >> 2);
 866                                 bmap += 2;
 867 #else
 868                                 *(fb++) = *(bmap++);
 869                                 *(fb++) = *(bmap++);
 870 #endif
 871                         }
 872                         bmap += (padded_line - width) * 2;
 873                         fb   -= (width * 2 + lcd_line_length);
 874                 }
 875                 break;
 876 #endif /* CONFIG_BMP_16BPP */
 877
 878         default:
 879                 break;
 880         };
 881
 882         return (0);
 883 }
 884 #endif
 885
 886 static void *lcd_logo (void)
 887 {
 888 #ifdef CONFIG_SPLASH_SCREEN
 889         char *s;
 890         ulong addr;
 891         static int do_splash = 1;
 892
 893         if (do_splash && (s = getenv("splashimage")) != NULL) {
 894                 int x = 0, y = 0;
 895                 do_splash = 0;
 896
 897                 addr = simple_strtoul (s, NULL, 16);
 898 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
 899                 if ((s = getenv ("splashpos")) != NULL) {
 900                         if (s[0] == 'm')
 901                                 x = BMP_ALIGN_CENTER;
 902                         else
 903                                 x = simple_strtol (s, NULL, 0);
 904
 905                         if ((s = strchr (s + 1, ',')) != NULL) {
 906                                 if (s[1] == 'm')
 907                                         y = BMP_ALIGN_CENTER;
 908                                 else
 909                                         y = simple_strtol (s + 1, NULL, 0);
 910                         }
 911                 }
 912 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 913
 914 #ifdef CONFIG_VIDEO_BMP_GZIP
 915                 bmp_image_t *bmp = (bmp_image_t *)addr;
 916                 unsigned long len;
 917
 918                 if (!((bmp->header.signature[0]=='B') &&
 919                       (bmp->header.signature[1]=='M'))) {
 920                         addr = (ulong)gunzip_bmp(addr, &len);
 921                 }
 922 #endif
 923
 924                 if (lcd_display_bitmap (addr, x, y) == 0) {
 925                         return ((void *)lcd_base);
 926                 }
 927         }
 928 #endif /* CONFIG_SPLASH_SCREEN */
 929
 930 #ifdef CONFIG_LCD_INFO
 931         console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
 932         console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
 933         lcd_show_board_info();
 934 #endif /* CONFIG_LCD_INFO */
 935
 936 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) && !defined(CONFIG_TIZEN)
 937         return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
 938 #else
 939         return ((void *)lcd_base);
 940 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
 941 }
 942
 943 void lcd_set_cur_pos(short row, short col)
 944 {
 945         console_row = row;
 946         console_col = col;
 947 }
 948 /************************************************************************/
 949 /************************************************************************/