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