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