]>
Commit | Line | Data |
---|---|---|
8655b6f8 WD |
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 <version.h> | |
36 | #include <stdarg.h> | |
37 | #include <linux/types.h> | |
38 | #include <devices.h> | |
39 | #if defined(CONFIG_POST) | |
40 | #include <post.h> | |
41 | #endif | |
42 | #include <lcd.h> | |
8b0bfc68 | 43 | #include <watchdog.h> |
8655b6f8 WD |
44 | |
45 | #if defined(CONFIG_PXA250) | |
46 | #include <asm/byteorder.h> | |
47 | #endif | |
48 | ||
49 | #if defined(CONFIG_MPC823) | |
8655b6f8 WD |
50 | #include <lcdvideo.h> |
51 | #endif | |
52 | ||
53 | ||
54 | #ifdef CONFIG_LCD | |
55 | ||
56 | /************************************************************************/ | |
57 | /* ** FONT DATA */ | |
58 | /************************************************************************/ | |
59 | #include <video_font.h> /* Get font data, width and height */ | |
60 | ||
61 | ||
62 | ulong lcd_setmem (ulong addr); | |
63 | ||
64 | static void lcd_drawchars (ushort x, ushort y, uchar *str, int count); | |
65 | static inline void lcd_puts_xy (ushort x, ushort y, uchar *s); | |
66 | static inline void lcd_putc_xy (ushort x, ushort y, uchar c); | |
67 | ||
68 | static int lcd_init (void *lcdbase); | |
69 | ||
70 | static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]); | |
71 | extern void lcd_ctrl_init (void *lcdbase); | |
72 | extern void lcd_enable (void); | |
73 | static void *lcd_logo (void); | |
74 | ||
75 | ||
76 | #if LCD_BPP == LCD_COLOR8 | |
77 | extern void lcd_setcolreg (ushort regno, | |
78 | ushort red, ushort green, ushort blue); | |
79 | #endif | |
80 | #if LCD_BPP == LCD_MONOCHROME | |
81 | extern void lcd_initcolregs (void); | |
82 | #endif | |
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 | extern vidinfo_t panel_info; | |
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 | #if 1 | |
104 | /* Copy up rows ignoring the first one */ | |
105 | memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); | |
106 | ||
107 | /* Clear the last one */ | |
108 | memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); | |
109 | #else | |
110 | /* | |
111 | * Poor attempt to optimize speed by moving "long"s. | |
112 | * But the code is ugly, and not a bit faster :-( | |
113 | */ | |
114 | ulong *t = (ulong *)CONSOLE_ROW_FIRST; | |
115 | ulong *s = (ulong *)CONSOLE_ROW_SECOND; | |
116 | ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong); | |
117 | uchar c = lcd_color_bg & 0xFF; | |
118 | ulong val= (c<<24) | (c<<16) | (c<<8) | c; | |
119 | ||
120 | while (l--) | |
121 | *t++ = *s++; | |
122 | ||
123 | t = (ulong *)CONSOLE_ROW_LAST; | |
124 | l = CONSOLE_ROW_SIZE / sizeof(ulong); | |
125 | ||
126 | while (l-- > 0) | |
127 | *t++ = val; | |
128 | #endif | |
129 | } | |
130 | ||
131 | /*----------------------------------------------------------------------*/ | |
132 | ||
133 | static inline void console_back (void) | |
134 | { | |
135 | if (--console_col < 0) { | |
136 | console_col = CONSOLE_COLS-1 ; | |
137 | if (--console_row < 0) { | |
138 | console_row = 0; | |
139 | } | |
140 | } | |
141 | ||
142 | lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, | |
143 | console_row * VIDEO_FONT_HEIGHT, | |
144 | ' '); | |
145 | } | |
146 | ||
147 | /*----------------------------------------------------------------------*/ | |
148 | ||
149 | static inline void console_newline (void) | |
150 | { | |
151 | ++console_row; | |
152 | console_col = 0; | |
153 | ||
154 | /* Check if we need to scroll the terminal */ | |
155 | if (console_row >= CONSOLE_ROWS) { | |
156 | /* Scroll everything up */ | |
157 | console_scrollup () ; | |
158 | --console_row; | |
159 | } | |
160 | } | |
161 | ||
162 | /*----------------------------------------------------------------------*/ | |
163 | ||
164 | void lcd_putc (const char c) | |
165 | { | |
166 | if (!lcd_is_enabled) { | |
167 | serial_putc(c); | |
168 | return; | |
169 | } | |
170 | ||
171 | switch (c) { | |
172 | case '\r': console_col = 0; | |
173 | return; | |
174 | ||
175 | case '\n': console_newline(); | |
176 | return; | |
177 | ||
178 | case '\t': /* Tab (8 chars alignment) */ | |
179 | console_col |= 8; | |
180 | console_col &= ~7; | |
181 | ||
182 | if (console_col >= CONSOLE_COLS) { | |
183 | console_newline(); | |
184 | } | |
185 | return; | |
186 | ||
187 | case '\b': console_back(); | |
188 | return; | |
189 | ||
190 | default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, | |
191 | console_row * VIDEO_FONT_HEIGHT, | |
192 | c); | |
193 | if (++console_col >= CONSOLE_COLS) { | |
194 | console_newline(); | |
195 | } | |
196 | return; | |
197 | } | |
198 | /* NOTREACHED */ | |
199 | } | |
200 | ||
201 | /*----------------------------------------------------------------------*/ | |
202 | ||
203 | void lcd_puts (const char *s) | |
204 | { | |
205 | if (!lcd_is_enabled) { | |
206 | serial_puts (s); | |
207 | return; | |
208 | } | |
209 | ||
210 | while (*s) { | |
211 | lcd_putc (*s++); | |
212 | } | |
213 | } | |
214 | ||
215 | /************************************************************************/ | |
216 | /* ** Low-Level Graphics Routines */ | |
217 | /************************************************************************/ | |
218 | ||
219 | static void lcd_drawchars (ushort x, ushort y, uchar *str, int count) | |
220 | { | |
221 | uchar *dest; | |
222 | ushort off, row; | |
223 | ||
224 | dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); | |
225 | off = x * (1 << LCD_BPP) % 8; | |
226 | ||
227 | for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { | |
228 | uchar *s = str; | |
229 | uchar *d = dest; | |
230 | int i; | |
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<16; ++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(LCD_INFO_BELOW_LOGO) | |
273 | lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s)); | |
274 | #else | |
275 | lcd_drawchars (x, y, s, strlen (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(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 | DECLARE_GLOBAL_DATA_PTR; | |
334 | ||
335 | device_t lcddev; | |
336 | int rc; | |
337 | ||
338 | lcd_base = (void *)(gd->fb_base); | |
339 | ||
340 | lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; | |
341 | ||
342 | lcd_init (lcd_base); /* LCD initialization */ | |
343 | ||
344 | /* Device initialization */ | |
345 | memset (&lcddev, 0, sizeof (lcddev)); | |
346 | ||
347 | strcpy (lcddev.name, "lcd"); | |
348 | lcddev.ext = 0; /* No extensions */ | |
349 | lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
350 | lcddev.putc = lcd_putc; /* 'putc' function */ | |
351 | lcddev.puts = lcd_puts; /* 'puts' function */ | |
352 | ||
353 | rc = device_register (&lcddev); | |
354 | ||
355 | return (rc == 0) ? 1 : rc; | |
356 | } | |
357 | ||
358 | /*----------------------------------------------------------------------*/ | |
359 | static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
360 | { | |
361 | #if LCD_BPP == LCD_MONOCHROME | |
362 | /* Setting the palette */ | |
363 | lcd_initcolregs(); | |
364 | ||
365 | #elif LCD_BPP == LCD_COLOR8 | |
366 | /* Setting the palette */ | |
367 | lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); | |
368 | lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
369 | lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
370 | lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
371 | lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
372 | lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
373 | lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
374 | lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
375 | lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
376 | #endif | |
377 | ||
378 | #ifndef CFG_WHITE_ON_BLACK | |
379 | lcd_setfgcolor (CONSOLE_COLOR_BLACK); | |
380 | lcd_setbgcolor (CONSOLE_COLOR_WHITE); | |
381 | #else | |
382 | lcd_setfgcolor (CONSOLE_COLOR_WHITE); | |
383 | lcd_setbgcolor (CONSOLE_COLOR_BLACK); | |
384 | #endif /* CFG_WHITE_ON_BLACK */ | |
385 | ||
386 | #ifdef LCD_TEST_PATTERN | |
387 | test_pattern(); | |
388 | #else | |
389 | /* set framebuffer to background color */ | |
390 | memset ((char *)lcd_base, | |
391 | COLOR_MASK(lcd_getbgcolor()), | |
392 | lcd_line_length*panel_info.vl_row); | |
393 | #endif | |
394 | /* Paint the logo and retrieve LCD base address */ | |
395 | debug ("[LCD] Drawing the logo...\n"); | |
396 | lcd_console_address = lcd_logo (); | |
397 | ||
398 | console_col = 0; | |
399 | console_row = 0; | |
400 | ||
401 | return (0); | |
402 | } | |
403 | ||
404 | U_BOOT_CMD( | |
405 | cls, 1, 1, lcd_clear, | |
406 | "cls - clear screen\n", | |
407 | NULL | |
408 | ); | |
409 | ||
410 | /*----------------------------------------------------------------------*/ | |
411 | ||
412 | static int lcd_init (void *lcdbase) | |
413 | { | |
414 | /* Initialize the lcd controller */ | |
415 | debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); | |
416 | ||
417 | lcd_ctrl_init (lcdbase); | |
418 | lcd_clear (NULL, 1, 1, NULL); /* dummy args */ | |
419 | lcd_enable (); | |
420 | ||
421 | /* Initialize the console */ | |
422 | console_col = 0; | |
423 | #ifdef LCD_INFO_BELOW_LOGO | |
424 | console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; | |
425 | #else | |
426 | console_row = 1; /* leave 1 blank line below logo */ | |
427 | #endif | |
428 | lcd_is_enabled = 1; | |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
433 | ||
434 | /************************************************************************/ | |
435 | /* ** ROM capable initialization part - needed to reserve FB memory */ | |
436 | /************************************************************************/ | |
437 | /* | |
438 | * This is called early in the system initialization to grab memory | |
439 | * for the LCD controller. | |
440 | * Returns new address for monitor, after reserving LCD buffer memory | |
441 | * | |
442 | * Note that this is running from ROM, so no write access to global data. | |
443 | */ | |
444 | ulong lcd_setmem (ulong addr) | |
445 | { | |
446 | ulong size; | |
447 | int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; | |
448 | ||
449 | debug ("LCD panel info: %d x %d, %d bit/pix\n", | |
450 | panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); | |
451 | ||
452 | size = line_length * panel_info.vl_row; | |
453 | ||
454 | /* Round up to nearest full page */ | |
455 | size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); | |
456 | ||
457 | /* Allocate pages for the frame buffer. */ | |
458 | addr -= size; | |
459 | ||
460 | debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); | |
461 | ||
462 | return (addr); | |
463 | } | |
464 | ||
465 | /*----------------------------------------------------------------------*/ | |
466 | ||
467 | static void lcd_setfgcolor (int color) | |
468 | { | |
469 | lcd_color_fg = color & 0x0F; | |
470 | } | |
471 | ||
472 | /*----------------------------------------------------------------------*/ | |
473 | ||
474 | static void lcd_setbgcolor (int color) | |
475 | { | |
476 | lcd_color_bg = color & 0x0F; | |
477 | } | |
478 | ||
479 | /*----------------------------------------------------------------------*/ | |
480 | ||
481 | #ifdef NOT_USED_SO_FAR | |
482 | static int lcd_getfgcolor (void) | |
483 | { | |
484 | return lcd_color_fg; | |
485 | } | |
486 | #endif /* NOT_USED_SO_FAR */ | |
487 | ||
488 | /*----------------------------------------------------------------------*/ | |
489 | ||
490 | static int lcd_getbgcolor (void) | |
491 | { | |
492 | return lcd_color_bg; | |
493 | } | |
494 | ||
495 | /*----------------------------------------------------------------------*/ | |
496 | ||
497 | /************************************************************************/ | |
498 | /* ** Chipset depending Bitmap / Logo stuff... */ | |
499 | /************************************************************************/ | |
500 | #ifdef CONFIG_LCD_LOGO | |
501 | void bitmap_plot (int x, int y) | |
502 | { | |
503 | ushort *cmap; | |
504 | ushort i, j; | |
505 | uchar *bmap; | |
506 | uchar *fb; | |
507 | ushort *fb16; | |
508 | #if defined(CONFIG_PXA250) | |
509 | struct pxafb_info *fbi = &panel_info.pxa; | |
510 | #elif defined(CONFIG_MPC823) | |
511 | volatile immap_t *immr = (immap_t *) CFG_IMMR; | |
512 | volatile cpm8xx_t *cp = &(immr->im_cpm); | |
513 | #endif | |
514 | ||
515 | debug ("Logo: width %d height %d colors %d cmap %d\n", | |
516 | BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, | |
517 | sizeof(bmp_logo_palette)/(sizeof(ushort))); | |
518 | ||
519 | bmap = &bmp_logo_bitmap[0]; | |
520 | fb = (char *)(lcd_base + y * lcd_line_length + x); | |
521 | ||
522 | if (NBITS(panel_info.vl_bpix) < 12) { | |
523 | /* Leave room for default color map */ | |
524 | #if defined(CONFIG_PXA250) | |
525 | cmap = (ushort *)fbi->palette; | |
526 | #elif defined(CONFIG_MPC823) | |
527 | cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); | |
528 | #endif | |
529 | ||
530 | WATCHDOG_RESET(); | |
531 | ||
532 | /* Set color map */ | |
533 | for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { | |
534 | ushort colreg = bmp_logo_palette[i]; | |
535 | #ifdef CFG_INVERT_COLORS | |
536 | *cmap++ = 0xffff - colreg; | |
537 | #else | |
538 | *cmap++ = colreg; | |
539 | #endif | |
540 | } | |
541 | ||
542 | WATCHDOG_RESET(); | |
543 | ||
544 | for (i=0; i<BMP_LOGO_HEIGHT; ++i) { | |
545 | memcpy (fb, bmap, BMP_LOGO_WIDTH); | |
546 | bmap += BMP_LOGO_WIDTH; | |
547 | fb += panel_info.vl_col; | |
548 | } | |
549 | } | |
550 | else { /* true color mode */ | |
551 | fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); | |
552 | for (i=0; i<BMP_LOGO_HEIGHT; ++i) { | |
553 | for (j=0; j<BMP_LOGO_WIDTH; j++) { | |
554 | fb16[j] = bmp_logo_palette[(bmap[j])]; | |
555 | } | |
556 | bmap += BMP_LOGO_WIDTH; | |
557 | fb16 += panel_info.vl_col; | |
558 | } | |
559 | } | |
560 | ||
561 | WATCHDOG_RESET(); | |
562 | } | |
563 | #endif /* CONFIG_LCD_LOGO */ | |
564 | ||
565 | /*----------------------------------------------------------------------*/ | |
566 | #if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) | |
567 | /* | |
568 | * Display the BMP file located at address bmp_image. | |
569 | * Only uncompressed. | |
570 | */ | |
571 | int lcd_display_bitmap(ulong bmp_image, int x, int y) | |
572 | { | |
573 | ushort *cmap; | |
574 | ushort i, j; | |
575 | uchar *fb; | |
576 | bmp_image_t *bmp=(bmp_image_t *)bmp_image; | |
577 | uchar *bmap; | |
578 | ushort padded_line; | |
579 | unsigned long width, height; | |
580 | unsigned colors,bpix; | |
581 | unsigned long compression; | |
582 | #if defined(CONFIG_PXA250) | |
583 | struct pxafb_info *fbi = &panel_info.pxa; | |
584 | #elif defined(CONFIG_MPC823) | |
585 | volatile immap_t *immr = (immap_t *) CFG_IMMR; | |
586 | volatile cpm8xx_t *cp = &(immr->im_cpm); | |
587 | #endif | |
588 | ||
589 | if (!((bmp->header.signature[0]=='B') && | |
590 | (bmp->header.signature[1]=='M'))) { | |
591 | printf ("Error: no valid bmp image at %lx\n", bmp_image); | |
592 | return 1; | |
593 | } | |
594 | ||
595 | width = le32_to_cpu (bmp->header.width); | |
596 | height = le32_to_cpu (bmp->header.height); | |
597 | colors = 1<<le16_to_cpu (bmp->header.bit_count); | |
598 | compression = le32_to_cpu (bmp->header.compression); | |
599 | ||
600 | bpix = NBITS(panel_info.vl_bpix); | |
601 | ||
602 | if ((bpix != 1) && (bpix != 8)) { | |
603 | printf ("Error: %d bit/pixel mode not supported by U-Boot\n", | |
604 | bpix); | |
605 | return 1; | |
606 | } | |
607 | ||
608 | if (bpix != le16_to_cpu(bmp->header.bit_count)) { | |
609 | printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", | |
610 | bpix, | |
611 | le16_to_cpu(bmp->header.bit_count)); | |
612 | return 1; | |
613 | } | |
614 | ||
615 | debug ("Display-bmp: %d x %d with %d colors\n", | |
616 | (int)width, (int)height, (int)colors); | |
617 | ||
618 | if (bpix==8) { | |
619 | #if defined(CONFIG_PXA250) | |
620 | cmap = (ushort *)fbi->palette; | |
621 | #elif defined(CONFIG_MPC823) | |
622 | cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); | |
25d6712a WD |
623 | #else |
624 | # error "Don't know location of color map" | |
8655b6f8 WD |
625 | #endif |
626 | ||
627 | /* Set color map */ | |
628 | for (i=0; i<colors; ++i) { | |
629 | bmp_color_table_entry_t cte = bmp->color_table[i]; | |
630 | ushort colreg = | |
631 | ( ((cte.red) << 8) & 0xf800) | | |
632 | ( ((cte.green) << 4) & 0x07e0) | | |
633 | ( (cte.blue) & 0x001f) ; | |
634 | ||
635 | #ifdef CFG_INVERT_COLORS | |
25d6712a | 636 | *cmap = 0xffff - colreg; |
8655b6f8 | 637 | #else |
25d6712a WD |
638 | *cmap = colreg; |
639 | #endif | |
640 | #if defined(CONFIG_PXA250) | |
641 | cmap++; | |
642 | #elif defined(CONFIG_MPC823) | |
643 | cmap--; | |
8655b6f8 WD |
644 | #endif |
645 | } | |
646 | } | |
647 | ||
648 | padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); | |
649 | if ((x + width)>panel_info.vl_col) | |
650 | width = panel_info.vl_col - x; | |
651 | if ((y + height)>panel_info.vl_row) | |
652 | height = panel_info.vl_row - y; | |
653 | ||
654 | bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); | |
655 | fb = (uchar *) (lcd_base + | |
656 | (y + height - 1) * lcd_line_length + x); | |
657 | for (i = 0; i < height; ++i) { | |
51152c17 | 658 | WATCHDOG_RESET(); |
8655b6f8 WD |
659 | for (j = 0; j < width ; j++) |
660 | #if defined(CONFIG_PXA250) | |
661 | *(fb++)=*(bmap++); | |
662 | #elif defined(CONFIG_MPC823) | |
663 | *(fb++)=255-*(bmap++); | |
664 | #endif | |
665 | bmap += (width - padded_line); | |
666 | fb -= (width + lcd_line_length); | |
667 | } | |
668 | ||
669 | return (0); | |
670 | } | |
671 | #endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */ | |
672 | ||
673 | ||
674 | static void *lcd_logo (void) | |
675 | { | |
676 | #ifdef LCD_INFO | |
677 | DECLARE_GLOBAL_DATA_PTR; | |
678 | ||
679 | char info[80]; | |
680 | char temp[32]; | |
681 | #endif /* LCD_INFO */ | |
682 | ||
683 | #ifdef CONFIG_SPLASH_SCREEN | |
684 | char *s; | |
685 | ulong addr; | |
686 | static int do_splash = 1; | |
687 | ||
688 | if (do_splash && (s = getenv("splashimage")) != NULL) { | |
689 | addr = simple_strtoul(s, NULL, 16); | |
690 | do_splash = 0; | |
691 | ||
692 | if (lcd_display_bitmap (addr, 0, 0) == 0) { | |
693 | return ((void *)lcd_base); | |
694 | } | |
695 | } | |
696 | #endif /* CONFIG_SPLASH_SCREEN */ | |
697 | ||
698 | #ifdef CONFIG_LCD_LOGO | |
699 | bitmap_plot (0, 0); | |
700 | #endif /* CONFIG_LCD_LOGO */ | |
701 | ||
702 | #ifdef CONFIG_MPC823 | |
703 | #ifdef LCD_INFO | |
704 | sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__); | |
705 | lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, info, strlen(info)); | |
706 | ||
707 | sprintf (info, "(C) 2004 DENX Software Engineering"); | |
708 | lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, | |
709 | info, strlen(info)); | |
710 | ||
711 | sprintf (info, " Wolfgang DENK, wd@denx.de"); | |
712 | lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, | |
713 | info, strlen(info)); | |
714 | #ifdef LCD_INFO_BELOW_LOGO | |
715 | sprintf (info, "MPC823 CPU at %s MHz", | |
716 | strmhz(temp, gd->cpu_clk)); | |
717 | lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, | |
718 | info, strlen(info)); | |
719 | sprintf (info, " %ld MB RAM, %ld MB Flash", | |
720 | gd->ram_size >> 20, | |
721 | gd->bd->bi_flashsize >> 20 ); | |
722 | lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, | |
723 | info, strlen(info)); | |
724 | #else | |
725 | /* leave one blank line */ | |
726 | ||
727 | sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash", | |
728 | strmhz(temp, gd->cpu_clk), | |
729 | gd->ram_size >> 20, | |
730 | gd->bd->bi_flashsize >> 20 ); | |
731 | lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, | |
732 | info, strlen(info)); | |
733 | ||
734 | #endif /* CONFIG_MPC823 */ | |
735 | #endif /* LCD_INFO_BELOW_LOGO */ | |
736 | #endif /* LCD_INFO */ | |
737 | ||
738 | #if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO) | |
739 | return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); | |
740 | #else | |
741 | return ((void *)lcd_base); | |
742 | #endif /* CONFIG_LCD_LOGO */ | |
743 | } | |
744 | ||
745 | /************************************************************************/ | |
746 | /************************************************************************/ | |
747 | ||
748 | #endif /* CONFIG_LCD */ |