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_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ 45 defined(CONFIG_CPU_MONAHANS) 46 #define CONFIG_CPU_PXA 47 #include <asm/byteorder.h> 48 #endif 49 50 #if defined(CONFIG_MPC823) 51 #include <lcdvideo.h> 52 #endif 53 54 #if defined(CONFIG_ATMEL_LCD) 55 #include <atmel_lcdc.h> 56 #endif 57 58 /************************************************************************/ 59 /* ** FONT DATA */ 60 /************************************************************************/ 61 #include <video_font.h> /* Get font data, width and height */ 62 #include <video_font_data.h> 63 64 /************************************************************************/ 65 /* ** LOGO DATA */ 66 /************************************************************************/ 67 #ifdef CONFIG_LCD_LOGO 68 # include <bmp_logo.h> /* Get logo data, width and height */ 69 # include <bmp_logo_data.h> 70 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) 71 # error Default Color Map overlaps with Logo Color Map 72 # endif 73 #endif 74 75 #ifndef CONFIG_LCD_ALIGNMENT 76 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE 77 #endif 78 79 DECLARE_GLOBAL_DATA_PTR; 80 81 ulong lcd_setmem (ulong addr); 82 83 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count); 84 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s); 85 static inline void lcd_putc_xy(ushort x, ushort y, uchar c); 86 87 static int lcd_init(void *lcdbase); 88 89 static void *lcd_logo (void); 90 91 static int lcd_getbgcolor(void); 92 static void lcd_setfgcolor(int color); 93 static void lcd_setbgcolor(int color); 94 95 char lcd_is_enabled = 0; 96 97 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ 98 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 /* Flush LCD activity to the caches */ 109 void lcd_sync(void) 110 { 111 /* 112 * flush_dcache_range() is declared in common.h but it seems that some 113 * architectures do not actually implement it. Is there a way to find 114 * out whether it exists? For now, ARM is safe. 115 */ 116 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) 117 int line_length; 118 119 if (lcd_flush_dcache) 120 flush_dcache_range((u32)lcd_base, 121 (u32)(lcd_base + lcd_get_size(&line_length))); 122 #endif 123 } 124 125 void lcd_set_flush_dcache(int flush) 126 { 127 lcd_flush_dcache = (flush != 0); 128 } 129 130 /*----------------------------------------------------------------------*/ 131 132 static void console_scrollup(void) 133 { 134 /* Copy up rows ignoring the first one */ 135 memcpy(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 136 137 /* Clear the last one */ 138 memset(CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 139 lcd_sync(); 140 } 141 142 /*----------------------------------------------------------------------*/ 143 144 static inline void console_back(void) 145 { 146 if (--console_col < 0) { 147 console_col = CONSOLE_COLS-1 ; 148 if (--console_row < 0) { 149 console_row = 0; 150 } 151 } 152 153 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 154 console_row * VIDEO_FONT_HEIGHT, ' '); 155 } 156 157 /*----------------------------------------------------------------------*/ 158 159 static inline void console_newline(void) 160 { 161 ++console_row; 162 console_col = 0; 163 164 /* Check if we need to scroll the terminal */ 165 if (console_row >= CONSOLE_ROWS) { 166 /* Scroll everything up */ 167 console_scrollup(); 168 --console_row; 169 } else { 170 lcd_sync(); 171 } 172 } 173 174 /*----------------------------------------------------------------------*/ 175 176 void lcd_putc(const char c) 177 { 178 if (!lcd_is_enabled) { 179 serial_putc(c); 180 181 return; 182 } 183 184 switch (c) { 185 case '\r': 186 console_col = 0; 187 188 return; 189 case '\n': 190 console_newline(); 191 192 return; 193 case '\t': /* Tab (8 chars alignment) */ 194 console_col += 8; 195 console_col &= ~7; 196 197 if (console_col >= CONSOLE_COLS) 198 console_newline(); 199 200 return; 201 case '\b': 202 console_back(); 203 204 return; 205 default: 206 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 207 console_row * VIDEO_FONT_HEIGHT, c); 208 if (++console_col >= CONSOLE_COLS) 209 console_newline(); 210 } 211 } 212 213 /*----------------------------------------------------------------------*/ 214 215 void lcd_puts(const char *s) 216 { 217 if (!lcd_is_enabled) { 218 serial_puts(s); 219 220 return; 221 } 222 223 while (*s) { 224 lcd_putc(*s++); 225 } 226 lcd_sync(); 227 } 228 229 /*----------------------------------------------------------------------*/ 230 231 void lcd_printf(const char *fmt, ...) 232 { 233 va_list args; 234 char buf[CONFIG_SYS_PBSIZE]; 235 236 va_start(args, fmt); 237 vsprintf(buf, fmt, args); 238 va_end(args); 239 240 lcd_puts(buf); 241 } 242 243 /************************************************************************/ 244 /* ** Low-Level Graphics Routines */ 245 /************************************************************************/ 246 247 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count) 248 { 249 uchar *dest; 250 ushort row; 251 252 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 253 y += BMP_LOGO_HEIGHT; 254 #endif 255 256 #if LCD_BPP == LCD_MONOCHROME 257 ushort off = x * (1 << LCD_BPP) % 8; 258 #endif 259 260 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 261 262 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 263 uchar *s = str; 264 int i; 265 #if LCD_BPP == LCD_COLOR16 266 ushort *d = (ushort *)dest; 267 #else 268 uchar *d = dest; 269 #endif 270 271 #if LCD_BPP == LCD_MONOCHROME 272 uchar rest = *d & -(1 << (8-off)); 273 uchar sym; 274 #endif 275 for (i = 0; i < count; ++i) { 276 uchar c, bits; 277 278 c = *s++; 279 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 280 281 #if LCD_BPP == LCD_MONOCHROME 282 sym = (COLOR_MASK(lcd_color_fg) & bits) | 283 (COLOR_MASK(lcd_color_bg) & ~bits); 284 285 *d++ = rest | (sym >> off); 286 rest = sym << (8-off); 287 #elif LCD_BPP == LCD_COLOR8 288 for (c = 0; c < 8; ++c) { 289 *d++ = (bits & 0x80) ? 290 lcd_color_fg : lcd_color_bg; 291 bits <<= 1; 292 } 293 #elif LCD_BPP == LCD_COLOR16 294 for (c = 0; c < 8; ++c) { 295 *d++ = (bits & 0x80) ? 296 lcd_color_fg : lcd_color_bg; 297 bits <<= 1; 298 } 299 #endif 300 } 301 #if LCD_BPP == LCD_MONOCHROME 302 *d = rest | (*d & ((1 << (8-off)) - 1)); 303 #endif 304 } 305 } 306 307 /*----------------------------------------------------------------------*/ 308 309 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s) 310 { 311 lcd_drawchars(x, y, s, strlen((char *)s)); 312 } 313 314 /*----------------------------------------------------------------------*/ 315 316 static inline void lcd_putc_xy(ushort x, ushort y, uchar c) 317 { 318 lcd_drawchars(x, y, &c, 1); 319 } 320 321 /************************************************************************/ 322 /** Small utility to check that you got the colours right */ 323 /************************************************************************/ 324 #ifdef LCD_TEST_PATTERN 325 326 #define N_BLK_VERT 2 327 #define N_BLK_HOR 3 328 329 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 330 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 331 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 332 }; 333 334 static void test_pattern(void) 335 { 336 ushort v_max = panel_info.vl_row; 337 ushort h_max = panel_info.vl_col; 338 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 339 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 340 ushort v, h; 341 uchar *pix = (uchar *)lcd_base; 342 343 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", 344 h_max, v_max, h_step, v_step); 345 346 /* WARNING: Code silently assumes 8bit/pixel */ 347 for (v = 0; v < v_max; ++v) { 348 uchar iy = v / v_step; 349 for (h = 0; h < h_max; ++h) { 350 uchar ix = N_BLK_HOR * iy + (h/h_step); 351 *pix++ = test_colors[ix]; 352 } 353 } 354 } 355 #endif /* LCD_TEST_PATTERN */ 356 357 358 /************************************************************************/ 359 /* ** GENERIC Initialization Routines */ 360 /************************************************************************/ 361 362 int lcd_get_size(int *line_length) 363 { 364 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; 365 return *line_length * panel_info.vl_row; 366 } 367 368 int drv_lcd_init (void) 369 { 370 struct stdio_dev lcddev; 371 int rc; 372 373 lcd_base = (void *)(gd->fb_base); 374 375 lcd_get_size(&lcd_line_length); 376 377 lcd_init(lcd_base); /* LCD initialization */ 378 379 /* Device initialization */ 380 memset(&lcddev, 0, sizeof(lcddev)); 381 382 strcpy(lcddev.name, "lcd"); 383 lcddev.ext = 0; /* No extensions */ 384 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 385 lcddev.putc = lcd_putc; /* 'putc' function */ 386 lcddev.puts = lcd_puts; /* 'puts' function */ 387 388 rc = stdio_register (&lcddev); 389 390 return (rc == 0) ? 1 : rc; 391 } 392 393 /*----------------------------------------------------------------------*/ 394 void lcd_clear(void) 395 { 396 #if LCD_BPP == LCD_MONOCHROME 397 /* Setting the palette */ 398 lcd_initcolregs(); 399 400 #elif LCD_BPP == LCD_COLOR8 401 /* Setting the palette */ 402 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 403 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 404 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 405 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 406 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 407 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 408 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 409 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 410 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 411 #endif 412 413 #ifndef CONFIG_SYS_WHITE_ON_BLACK 414 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 415 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 416 #else 417 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 418 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 419 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 420 421 #ifdef LCD_TEST_PATTERN 422 test_pattern(); 423 #else 424 /* set framebuffer to background color */ 425 memset((char *)lcd_base, 426 COLOR_MASK(lcd_getbgcolor()), 427 lcd_line_length*panel_info.vl_row); 428 #endif 429 /* Paint the logo and retrieve LCD base address */ 430 debug("[LCD] Drawing the logo...\n"); 431 lcd_console_address = lcd_logo (); 432 433 console_col = 0; 434 console_row = 0; 435 lcd_sync(); 436 } 437 438 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, 439 char *const argv[]) 440 { 441 lcd_clear(); 442 return 0; 443 } 444 445 U_BOOT_CMD( 446 cls, 1, 1, do_lcd_clear, 447 "clear screen", 448 "" 449 ); 450 451 /*----------------------------------------------------------------------*/ 452 453 static int lcd_init(void *lcdbase) 454 { 455 /* Initialize the lcd controller */ 456 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 457 458 lcd_ctrl_init(lcdbase); 459 lcd_is_enabled = 1; 460 lcd_clear(); 461 lcd_enable (); 462 463 /* Initialize the console */ 464 console_col = 0; 465 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 466 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 467 #else 468 console_row = 1; /* leave 1 blank line below logo */ 469 #endif 470 471 return 0; 472 } 473 474 475 /************************************************************************/ 476 /* ** ROM capable initialization part - needed to reserve FB memory */ 477 /************************************************************************/ 478 /* 479 * This is called early in the system initialization to grab memory 480 * for the LCD controller. 481 * Returns new address for monitor, after reserving LCD buffer memory 482 * 483 * Note that this is running from ROM, so no write access to global data. 484 */ 485 ulong lcd_setmem(ulong addr) 486 { 487 ulong size; 488 int line_length; 489 490 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 491 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 492 493 size = lcd_get_size(&line_length); 494 495 /* Round up to nearest full page, or MMU section if defined */ 496 size = ALIGN(size, CONFIG_LCD_ALIGNMENT); 497 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); 498 499 /* Allocate pages for the frame buffer. */ 500 addr -= size; 501 502 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 503 504 return addr; 505 } 506 507 /*----------------------------------------------------------------------*/ 508 509 static void lcd_setfgcolor(int color) 510 { 511 lcd_color_fg = color; 512 } 513 514 /*----------------------------------------------------------------------*/ 515 516 static void lcd_setbgcolor(int color) 517 { 518 lcd_color_bg = color; 519 } 520 521 /*----------------------------------------------------------------------*/ 522 523 #ifdef NOT_USED_SO_FAR 524 static int lcd_getfgcolor(void) 525 { 526 return lcd_color_fg; 527 } 528 #endif /* NOT_USED_SO_FAR */ 529 530 /*----------------------------------------------------------------------*/ 531 532 static int lcd_getbgcolor(void) 533 { 534 return lcd_color_bg; 535 } 536 537 /*----------------------------------------------------------------------*/ 538 539 /************************************************************************/ 540 /* ** Chipset depending Bitmap / Logo stuff... */ 541 /************************************************************************/ 542 static inline ushort *configuration_get_cmap(void) 543 { 544 #if defined CONFIG_CPU_PXA 545 struct pxafb_info *fbi = &panel_info.pxa; 546 return (ushort *)fbi->palette; 547 #elif defined(CONFIG_MPC823) 548 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 549 cpm8xx_t *cp = &(immr->im_cpm); 550 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]); 551 #elif defined(CONFIG_ATMEL_LCD) 552 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0)); 553 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB) 554 return panel_info.cmap; 555 #else 556 #if defined(CONFIG_LCD_LOGO) 557 return bmp_logo_palette; 558 #else 559 return NULL; 560 #endif 561 #endif 562 } 563 564 #ifdef CONFIG_LCD_LOGO 565 void bitmap_plot(int x, int y) 566 { 567 #ifdef CONFIG_ATMEL_LCD 568 uint *cmap = (uint *)bmp_logo_palette; 569 #else 570 ushort *cmap = (ushort *)bmp_logo_palette; 571 #endif 572 ushort i, j; 573 uchar *bmap; 574 uchar *fb; 575 ushort *fb16; 576 #if defined(CONFIG_MPC823) 577 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 578 cpm8xx_t *cp = &(immr->im_cpm); 579 #endif 580 581 debug("Logo: width %d height %d colors %d cmap %d\n", 582 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 583 ARRAY_SIZE(bmp_logo_palette)); 584 585 bmap = &bmp_logo_bitmap[0]; 586 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 587 588 if (NBITS(panel_info.vl_bpix) < 12) { 589 /* Leave room for default color map 590 * default case: generic system with no cmap (most likely 16bpp) 591 * cmap was set to the source palette, so no change is done. 592 * This avoids even more ifdefs in the next stanza 593 */ 594 #if defined(CONFIG_MPC823) 595 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); 596 #elif defined(CONFIG_ATMEL_LCD) 597 cmap = (uint *)configuration_get_cmap(); 598 #else 599 cmap = configuration_get_cmap(); 600 #endif 601 602 WATCHDOG_RESET(); 603 604 /* Set color map */ 605 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { 606 ushort colreg = bmp_logo_palette[i]; 607 #ifdef CONFIG_ATMEL_LCD 608 uint lut_entry; 609 #ifdef CONFIG_ATMEL_LCD_BGR555 610 lut_entry = ((colreg & 0x000F) << 11) | 611 ((colreg & 0x00F0) << 2) | 612 ((colreg & 0x0F00) >> 7); 613 #else /* CONFIG_ATMEL_LCD_RGB565 */ 614 lut_entry = ((colreg & 0x000F) << 1) | 615 ((colreg & 0x00F0) << 3) | 616 ((colreg & 0x0F00) << 4); 617 #endif 618 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 619 cmap++; 620 #else /* !CONFIG_ATMEL_LCD */ 621 #ifdef CONFIG_SYS_INVERT_COLORS 622 *cmap++ = 0xffff - colreg; 623 #else 624 *cmap++ = colreg; 625 #endif 626 #endif /* CONFIG_ATMEL_LCD */ 627 } 628 629 WATCHDOG_RESET(); 630 631 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 632 memcpy(fb, bmap, BMP_LOGO_WIDTH); 633 bmap += BMP_LOGO_WIDTH; 634 fb += panel_info.vl_col; 635 } 636 } 637 else { /* true color mode */ 638 u16 col16; 639 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 640 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 641 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 642 col16 = bmp_logo_palette[(bmap[j]-16)]; 643 fb16[j] = 644 ((col16 & 0x000F) << 1) | 645 ((col16 & 0x00F0) << 3) | 646 ((col16 & 0x0F00) << 4); 647 } 648 bmap += BMP_LOGO_WIDTH; 649 fb16 += panel_info.vl_col; 650 } 651 } 652 653 WATCHDOG_RESET(); 654 lcd_sync(); 655 } 656 #else 657 static inline void bitmap_plot(int x, int y) {} 658 #endif /* CONFIG_LCD_LOGO */ 659 660 /*----------------------------------------------------------------------*/ 661 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 662 /* 663 * Display the BMP file located at address bmp_image. 664 * Only uncompressed. 665 */ 666 667 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 668 #define BMP_ALIGN_CENTER 0x7FFF 669 670 static void splash_align_axis(int *axis, unsigned long panel_size, 671 unsigned long picture_size) 672 { 673 unsigned long panel_picture_delta = panel_size - picture_size; 674 unsigned long axis_alignment; 675 676 if (*axis == BMP_ALIGN_CENTER) 677 axis_alignment = panel_picture_delta / 2; 678 else if (*axis < 0) 679 axis_alignment = panel_picture_delta + *axis + 1; 680 else 681 return; 682 683 *axis = max(0, axis_alignment); 684 } 685 #endif 686 687 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 688 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++) 689 #else 690 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++ 691 #endif 692 693 #if defined(CONFIG_BMP_16BPP) 694 #if defined(CONFIG_ATMEL_LCD_BGR555) 695 static inline void fb_put_word(uchar **fb, uchar **from) 696 { 697 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03); 698 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2); 699 *from += 2; 700 } 701 #else 702 static inline void fb_put_word(uchar **fb, uchar **from) 703 { 704 *(*fb)++ = *(*from)++; 705 *(*fb)++ = *(*from)++; 706 } 707 #endif 708 #endif /* CONFIG_BMP_16BPP */ 709 710 int lcd_display_bitmap(ulong bmp_image, int x, int y) 711 { 712 #if !defined(CONFIG_MCC200) 713 ushort *cmap = NULL; 714 #endif 715 ushort *cmap_base = NULL; 716 ushort i, j; 717 uchar *fb; 718 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 719 uchar *bmap; 720 ushort padded_line; 721 unsigned long width, height, byte_width; 722 unsigned long pwidth = panel_info.vl_col; 723 unsigned colors, bpix, bmp_bpix; 724 725 if (!bmp || !((bmp->header.signature[0] == 'B') && 726 (bmp->header.signature[1] == 'M'))) { 727 printf("Error: no valid bmp image at %lx\n", bmp_image); 728 729 return 1; 730 } 731 732 width = le32_to_cpu(bmp->header.width); 733 height = le32_to_cpu(bmp->header.height); 734 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 735 colors = 1 << bmp_bpix; 736 737 bpix = NBITS(panel_info.vl_bpix); 738 739 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) { 740 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 741 bpix, bmp_bpix); 742 743 return 1; 744 } 745 746 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 747 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) { 748 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 749 bpix, 750 le16_to_cpu(bmp->header.bit_count)); 751 752 return 1; 753 } 754 755 debug("Display-bmp: %d x %d with %d colors\n", 756 (int)width, (int)height, (int)colors); 757 758 #if !defined(CONFIG_MCC200) 759 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 760 if (bmp_bpix == 8) { 761 cmap = configuration_get_cmap(); 762 cmap_base = cmap; 763 764 /* Set color map */ 765 for (i = 0; i < colors; ++i) { 766 bmp_color_table_entry_t cte = bmp->color_table[i]; 767 #if !defined(CONFIG_ATMEL_LCD) 768 ushort colreg = 769 ( ((cte.red) << 8) & 0xf800) | 770 ( ((cte.green) << 3) & 0x07e0) | 771 ( ((cte.blue) >> 3) & 0x001f) ; 772 #ifdef CONFIG_SYS_INVERT_COLORS 773 *cmap = 0xffff - colreg; 774 #else 775 *cmap = colreg; 776 #endif 777 #if defined(CONFIG_MPC823) 778 cmap--; 779 #else 780 cmap++; 781 #endif 782 #else /* CONFIG_ATMEL_LCD */ 783 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 784 #endif 785 } 786 } 787 #endif 788 789 /* 790 * BMP format for Monochrome assumes that the state of a 791 * pixel is described on a per Bit basis, not per Byte. 792 * So, in case of Monochrome BMP we should align widths 793 * on a byte boundary and convert them from Bit to Byte 794 * units. 795 * Probably, PXA250 and MPC823 process 1bpp BMP images in 796 * their own ways, so make the converting to be MCC200 797 * specific. 798 */ 799 #if defined(CONFIG_MCC200) 800 if (bpix == 1) { 801 width = ((width + 7) & ~7) >> 3; 802 x = ((x + 7) & ~7) >> 3; 803 pwidth= ((pwidth + 7) & ~7) >> 3; 804 } 805 #endif 806 807 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 808 809 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 810 splash_align_axis(&x, pwidth, width); 811 splash_align_axis(&y, panel_info.vl_row, height); 812 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 813 814 if ((x + width) > pwidth) 815 width = pwidth - x; 816 if ((y + height) > panel_info.vl_row) 817 height = panel_info.vl_row - y; 818 819 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); 820 fb = (uchar *) (lcd_base + 821 (y + height - 1) * lcd_line_length + x * bpix / 8); 822 823 switch (bmp_bpix) { 824 case 1: /* pass through */ 825 case 8: 826 if (bpix != 16) 827 byte_width = width; 828 else 829 byte_width = width * 2; 830 831 for (i = 0; i < height; ++i) { 832 WATCHDOG_RESET(); 833 for (j = 0; j < width; j++) { 834 if (bpix != 16) { 835 FB_PUT_BYTE(fb, bmap); 836 } else { 837 *(uint16_t *)fb = cmap_base[*(bmap++)]; 838 fb += sizeof(uint16_t) / sizeof(*fb); 839 } 840 } 841 bmap += (width - padded_line); 842 fb -= (byte_width + lcd_line_length); 843 } 844 break; 845 846 #if defined(CONFIG_BMP_16BPP) 847 case 16: 848 for (i = 0; i < height; ++i) { 849 WATCHDOG_RESET(); 850 for (j = 0; j < width; j++) 851 fb_put_word(&fb, &bmap); 852 853 bmap += (padded_line - width) * 2; 854 fb -= (width * 2 + lcd_line_length); 855 } 856 break; 857 #endif /* CONFIG_BMP_16BPP */ 858 859 #if defined(CONFIG_BMP_32BPP) 860 case 32: 861 for (i = 0; i < height; ++i) { 862 for (j = 0; j < width; j++) { 863 *(fb++) = *(bmap++); 864 *(fb++) = *(bmap++); 865 *(fb++) = *(bmap++); 866 *(fb++) = *(bmap++); 867 } 868 fb -= (lcd_line_length + width * (bpix / 8)); 869 } 870 break; 871 #endif /* CONFIG_BMP_32BPP */ 872 default: 873 break; 874 }; 875 876 lcd_sync(); 877 return 0; 878 } 879 #endif 880 881 static void *lcd_logo(void) 882 { 883 #ifdef CONFIG_SPLASH_SCREEN 884 char *s; 885 ulong addr; 886 static int do_splash = 1; 887 888 if (do_splash && (s = getenv("splashimage")) != NULL) { 889 int x = 0, y = 0; 890 do_splash = 0; 891 892 addr = simple_strtoul (s, NULL, 16); 893 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 894 s = getenv("splashpos"); 895 if (s != NULL) { 896 if (s[0] == 'm') 897 x = BMP_ALIGN_CENTER; 898 else 899 x = simple_strtol(s, NULL, 0); 900 901 s = strchr(s + 1, ','); 902 if (s != NULL) { 903 if (s[1] == 'm') 904 y = BMP_ALIGN_CENTER; 905 else 906 y = simple_strtol (s + 1, NULL, 0); 907 } 908 } 909 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 910 911 if (bmp_display(addr, x, y) == 0) 912 return (void *)lcd_base; 913 } 914 #endif /* CONFIG_SPLASH_SCREEN */ 915 916 bitmap_plot(0, 0); 917 918 #ifdef CONFIG_LCD_INFO 919 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 920 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 921 lcd_show_board_info(); 922 #endif /* CONFIG_LCD_INFO */ 923 924 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 925 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); 926 #else 927 return (void *)lcd_base; 928 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 929 } 930 931 /************************************************************************/ 932 /************************************************************************/ 933