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5b1d7137 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), [email protected] | |
4 | * (C) Copyright 2002 | |
5 | * Wolfgang Denk, [email protected] | |
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 | ||
8564acf9 | 26 | /* #define DEBUG */ |
5b1d7137 WD |
27 | |
28 | /************************************************************************/ | |
29 | /* ** HEADER FILES */ | |
30 | /************************************************************************/ | |
31 | ||
32 | #include <stdarg.h> | |
33 | #include <common.h> | |
34 | #include <config.h> | |
35 | #include <version.h> | |
36 | #include <i2c.h> | |
37 | #include <linux/types.h> | |
38 | #include <devices.h> | |
39 | ||
40 | #ifdef CONFIG_VIDEO | |
41 | ||
d87080b7 WD |
42 | DECLARE_GLOBAL_DATA_PTR; |
43 | ||
5b1d7137 WD |
44 | /************************************************************************/ |
45 | /* ** DEBUG SETTINGS */ | |
46 | /************************************************************************/ | |
47 | ||
48 | #if 0 | |
49 | #define VIDEO_DEBUG_COLORBARS /* Force colorbars output */ | |
50 | #endif | |
51 | ||
52 | /************************************************************************/ | |
53 | /* ** VIDEO MODE SETTINGS */ | |
54 | /************************************************************************/ | |
55 | ||
56 | #if 0 | |
57 | #define VIDEO_MODE_EXTENDED /* Allow screen size bigger than visible area */ | |
58 | #define VIDEO_MODE_NTSC | |
59 | #endif | |
60 | ||
61 | #define VIDEO_MODE_PAL | |
62 | ||
63 | #if 0 | |
64 | #define VIDEO_BLINK /* This enables cursor blinking (under construction) */ | |
65 | #endif | |
66 | ||
67 | #define VIDEO_INFO /* Show U-Boot information */ | |
68 | #define VIDEO_INFO_X VIDEO_LOGO_WIDTH+8 | |
69 | #define VIDEO_INFO_Y 16 | |
70 | ||
71 | /************************************************************************/ | |
72 | /* ** VIDEO ENCODER CONSTANTS */ | |
73 | /************************************************************************/ | |
74 | ||
75 | #ifdef CONFIG_VIDEO_ENCODER_AD7176 | |
76 | ||
77 | #include <video_ad7176.h> /* Sets encoder data, mode, and visible and active area */ | |
78 | ||
79 | #define VIDEO_I2C 1 | |
80 | #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7176_ADDR | |
81 | #endif | |
82 | ||
83 | #ifdef CONFIG_VIDEO_ENCODER_AD7177 | |
84 | ||
85 | #include <video_ad7177.h> /* Sets encoder data, mode, and visible and active area */ | |
86 | ||
87 | #define VIDEO_I2C 1 | |
88 | #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7177_ADDR | |
89 | #endif | |
90 | ||
8564acf9 WD |
91 | #ifdef CONFIG_VIDEO_ENCODER_AD7179 |
92 | ||
93 | #include <video_ad7179.h> /* Sets encoder data, mode, and visible and active area */ | |
94 | ||
95 | #define VIDEO_I2C 1 | |
96 | #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7179_ADDR | |
97 | #endif | |
98 | ||
5b1d7137 WD |
99 | /************************************************************************/ |
100 | /* ** VIDEO MODE CONSTANTS */ | |
101 | /************************************************************************/ | |
102 | ||
103 | #ifdef VIDEO_MODE_EXTENDED | |
104 | #define VIDEO_COLS VIDEO_ACTIVE_COLS | |
105 | #define VIDEO_ROWS VIDEO_ACTIVE_ROWS | |
106 | #else | |
107 | #define VIDEO_COLS VIDEO_VISIBLE_COLS | |
108 | #define VIDEO_ROWS VIDEO_VISIBLE_ROWS | |
109 | #endif | |
110 | ||
111 | #define VIDEO_PIXEL_SIZE (VIDEO_MODE_BPP/8) | |
112 | #define VIDEO_SIZE (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Total size of buffer */ | |
113 | #define VIDEO_PIX_BLOCKS (VIDEO_SIZE >> 2) /* Number of ints */ | |
114 | #define VIDEO_LINE_LEN (VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Number of bytes per line */ | |
115 | #define VIDEO_BURST_LEN (VIDEO_COLS/8) | |
116 | ||
117 | #ifdef VIDEO_MODE_YUYV | |
118 | #define VIDEO_BG_COL 0x80D880D8 /* Background color in YUYV format */ | |
119 | #else | |
120 | #define VIDEO_BG_COL 0xF8F8F8F8 /* Background color in RGB format */ | |
121 | #endif | |
122 | ||
123 | /************************************************************************/ | |
124 | /* ** FONT AND LOGO DATA */ | |
125 | /************************************************************************/ | |
126 | ||
127 | #include <video_font.h> /* Get font data, width and height */ | |
128 | ||
129 | #ifdef CONFIG_VIDEO_LOGO | |
130 | #include <video_logo.h> /* Get logo data, width and height */ | |
131 | ||
132 | #define VIDEO_LOGO_WIDTH DEF_U_BOOT_LOGO_WIDTH | |
133 | #define VIDEO_LOGO_HEIGHT DEF_U_BOOT_LOGO_HEIGHT | |
134 | #define VIDEO_LOGO_ADDR &u_boot_logo | |
135 | #endif | |
136 | ||
137 | /************************************************************************/ | |
138 | /* ** VIDEO CONTROLLER CONSTANTS */ | |
139 | /************************************************************************/ | |
140 | ||
141 | /* VCCR - VIDEO CONTROLLER CONFIGURATION REGISTER */ | |
142 | ||
143 | #define VIDEO_VCCR_VON 0 /* Video controller ON */ | |
144 | #define VIDEO_VCCR_CSRC 1 /* Clock source */ | |
145 | #define VIDEO_VCCR_PDF 13 /* Pixel display format */ | |
146 | #define VIDEO_VCCR_IEN 11 /* Interrupt enable */ | |
147 | ||
148 | /* VSR - VIDEO STATUS REGISTER */ | |
149 | ||
150 | #define VIDEO_VSR_CAS 6 /* Active set */ | |
151 | #define VIDEO_VSR_EOF 0 /* End of frame */ | |
152 | ||
153 | /* VCMR - VIDEO COMMAND REGISTER */ | |
154 | ||
155 | #define VIDEO_VCMR_BD 0 /* Blank display */ | |
156 | #define VIDEO_VCMR_ASEL 1 /* Active set selection */ | |
157 | ||
158 | /* VBCB - VIDEO BACKGROUND COLOR BUFFER REGISTER */ | |
159 | ||
160 | #define VIDEO_BCSR4_RESET_BIT 21 /* BCSR4 - Extern video encoder reset */ | |
161 | #define VIDEO_BCSR4_EXTCLK_BIT 22 /* BCSR4 - Extern clock enable */ | |
162 | #define VIDEO_BCSR4_VIDLED_BIT 23 /* BCSR4 - Video led disable */ | |
163 | ||
164 | /************************************************************************/ | |
165 | /* ** CONSOLE CONSTANTS */ | |
166 | /************************************************************************/ | |
167 | ||
8564acf9 | 168 | #ifdef CONFIG_VIDEO_LOGO |
5b1d7137 WD |
169 | #define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT) |
170 | #define VIDEO_LOGO_SKIP (VIDEO_COLS - VIDEO_LOGO_WIDTH) | |
171 | #else | |
172 | #define CONSOLE_ROWS (VIDEO_ROWS / VIDEO_FONT_HEIGHT) | |
173 | #endif | |
174 | ||
175 | #define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH) | |
8564acf9 | 176 | #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN) |
5b1d7137 | 177 | #define CONSOLE_ROW_FIRST (video_console_address) |
8564acf9 | 178 | #define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE) |
5b1d7137 | 179 | #define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE) |
8564acf9 | 180 | #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS) |
5b1d7137 WD |
181 | #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE) |
182 | ||
183 | /* | |
184 | * Simple color definitions | |
185 | */ | |
186 | #define CONSOLE_COLOR_BLACK 0 | |
187 | #define CONSOLE_COLOR_RED 1 | |
188 | #define CONSOLE_COLOR_GREEN 2 | |
189 | #define CONSOLE_COLOR_YELLOW 3 | |
190 | #define CONSOLE_COLOR_BLUE 4 | |
191 | #define CONSOLE_COLOR_MAGENTA 5 | |
192 | #define CONSOLE_COLOR_CYAN 6 | |
193 | #define CONSOLE_COLOR_GREY 13 | |
194 | #define CONSOLE_COLOR_GREY2 14 | |
195 | #define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */ | |
196 | ||
197 | /************************************************************************/ | |
198 | /* ** BITOPS MACROS */ | |
199 | /************************************************************************/ | |
200 | ||
201 | #define HISHORT(i) ((i >> 16)&0xffff) | |
202 | #define LOSHORT(i) (i & 0xffff) | |
203 | #define HICHAR(s) ((i >> 8)&0xff) | |
204 | #define LOCHAR(s) (i & 0xff) | |
205 | #define HI(c) ((c >> 4)&0xf) | |
206 | #define LO(c) (c & 0xf) | |
207 | #define SWAPINT(i) (HISHORT(i) | (LOSHORT(i) << 16)) | |
208 | #define SWAPSHORT(s) (HICHAR(s) | (LOCHAR(s) << 8)) | |
209 | #define SWAPCHAR(c) (HI(c) | (LO(c) << 4)) | |
210 | #define BITMASK(b) (1 << (b)) | |
211 | #define GETBIT(v,b) (((v) & BITMASK(b)) > 0) | |
212 | #define SETBIT(v,b,d) (v = (((d)>0) ? (v) | BITMASK(b): (v) & ~BITMASK(b))) | |
213 | ||
214 | /************************************************************************/ | |
215 | /* ** STRUCTURES */ | |
216 | /************************************************************************/ | |
217 | ||
218 | typedef struct { | |
219 | unsigned char V, Y1, U, Y2; | |
220 | } tYUYV; | |
221 | ||
222 | /* This structure is based on the Video Ram in the MPC823. */ | |
223 | typedef struct VRAM { | |
224 | unsigned hx:2, /* Horizontal sync */ | |
225 | vx:2, /* Vertical sync */ | |
226 | fx:2, /* Frame */ | |
227 | bx:2, /* Blank */ | |
228 | res1:6, /* Reserved */ | |
229 | vds:2, /* Video Data Select */ | |
230 | inter:1, /* Interrupt */ | |
231 | res2:2, /* Reserved */ | |
232 | lcyc:11, /* Loop/video cycles */ | |
233 | lp:1, /* Loop start/end */ | |
234 | lst:1; /* Last entry */ | |
235 | } VRAM; | |
236 | ||
237 | /************************************************************************/ | |
238 | /* ** VARIABLES */ | |
239 | /************************************************************************/ | |
240 | ||
241 | static int | |
242 | video_panning_range_x = 0, /* Video mode invisible pixels x range */ | |
243 | video_panning_range_y = 0, /* Video mode invisible pixels y range */ | |
244 | video_panning_value_x = 0, /* Video mode x panning value (absolute) */ | |
245 | video_panning_value_y = 0, /* Video mode y panning value (absolute) */ | |
246 | video_panning_factor_x = 0, /* Video mode x panning value (-127 +127) */ | |
247 | video_panning_factor_y = 0, /* Video mode y panning value (-127 +127) */ | |
248 | console_col = 0, /* Cursor col */ | |
249 | console_row = 0, /* Cursor row */ | |
250 | video_palette[16]; /* Our palette */ | |
251 | ||
252 | static const int video_font_draw_table[] = | |
253 | { 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff }; | |
254 | ||
255 | static char | |
256 | video_color_fg = 0, /* Current fg color index (0-15) */ | |
257 | video_color_bg = 0, /* Current bg color index (0-15) */ | |
258 | video_enable = 0; /* Video has been initialized? */ | |
259 | ||
260 | static void | |
261 | *video_fb_address, /* Frame buffer address */ | |
262 | *video_console_address; /* Console frame buffer start address */ | |
263 | ||
264 | /************************************************************************/ | |
265 | /* ** MEMORY FUNCTIONS (32bit) */ | |
266 | /************************************************************************/ | |
267 | ||
268 | static void memsetl (int *p, int c, int v) | |
269 | { | |
270 | while (c--) | |
271 | *(p++) = v; | |
272 | } | |
273 | ||
274 | static void memcpyl (int *d, int *s, int c) | |
275 | { | |
276 | while (c--) | |
277 | *(d++) = *(s++); | |
278 | } | |
279 | ||
280 | /************************************************************************/ | |
281 | /* ** VIDEO DRAWING AND COLOR FUNCTIONS */ | |
282 | /************************************************************************/ | |
283 | ||
284 | static int video_maprgb (int r, int g, int b) | |
285 | { | |
286 | #ifdef VIDEO_MODE_YUYV | |
287 | unsigned int pR, pG, pB; | |
288 | tYUYV YUYV; | |
289 | unsigned int *ret = (unsigned int *) &YUYV; | |
290 | ||
291 | /* Transform (0-255) components to (0-100) */ | |
292 | ||
293 | pR = r * 100 / 255; | |
294 | pG = g * 100 / 255; | |
295 | pB = b * 100 / 255; | |
296 | ||
297 | /* Calculate YUV values (0-255) from RGB beetween 0-100 */ | |
298 | ||
299 | YUYV.Y1 = YUYV.Y2 = 209 * (pR + pG + pB) / 300 + 16; | |
8564acf9 WD |
300 | YUYV.U = pR - (pG * 3 / 4) - (pB / 4) + 128; |
301 | YUYV.V = pB - (pR / 4) - (pG * 3 / 4) + 128; | |
5b1d7137 WD |
302 | return *ret; |
303 | #endif | |
304 | #ifdef VIDEO_MODE_RGB | |
305 | return ((r >> 3) << 11) | ((g > 2) << 6) | (b >> 3); | |
306 | #endif | |
307 | } | |
308 | ||
309 | static void video_setpalette (int color, int r, int g, int b) | |
310 | { | |
311 | color &= 0xf; | |
312 | ||
313 | video_palette[color] = video_maprgb (r, g, b); | |
314 | ||
315 | /* Swap values if our panning offset is odd */ | |
316 | if (video_panning_value_x & 1) | |
317 | video_palette[color] = SWAPINT (video_palette[color]); | |
318 | } | |
319 | ||
320 | static void video_fill (int color) | |
321 | { | |
322 | memsetl (video_fb_address, VIDEO_PIX_BLOCKS, color); | |
323 | } | |
324 | ||
325 | static void video_setfgcolor (int i) | |
326 | { | |
327 | video_color_fg = i & 0xf; | |
328 | } | |
329 | ||
330 | static void video_setbgcolor (int i) | |
331 | { | |
332 | video_color_bg = i & 0xf; | |
333 | } | |
334 | ||
335 | static int video_pickcolor (int i) | |
336 | { | |
337 | return video_palette[i & 0xf]; | |
338 | } | |
339 | ||
340 | /* Absolute console plotting functions */ | |
341 | ||
342 | #ifdef VIDEO_BLINK | |
343 | static void video_revchar (int xx, int yy) | |
344 | { | |
345 | int rows; | |
346 | u8 *dest; | |
347 | ||
348 | dest = video_fb_address + yy * VIDEO_LINE_LEN + xx * 2; | |
349 | ||
350 | for (rows = VIDEO_FONT_HEIGHT; rows--; dest += VIDEO_LINE_LEN) { | |
351 | switch (VIDEO_FONT_WIDTH) { | |
352 | case 16: | |
353 | ((u32 *) dest)[6] ^= 0xffffffff; | |
354 | ((u32 *) dest)[7] ^= 0xffffffff; | |
355 | /* FALL THROUGH */ | |
356 | case 12: | |
357 | ((u32 *) dest)[4] ^= 0xffffffff; | |
358 | ((u32 *) dest)[5] ^= 0xffffffff; | |
359 | /* FALL THROUGH */ | |
360 | case 8: | |
361 | ((u32 *) dest)[2] ^= 0xffffffff; | |
362 | ((u32 *) dest)[3] ^= 0xffffffff; | |
363 | /* FALL THROUGH */ | |
364 | case 4: | |
365 | ((u32 *) dest)[0] ^= 0xffffffff; | |
366 | ((u32 *) dest)[1] ^= 0xffffffff; | |
367 | } | |
368 | } | |
369 | } | |
370 | #endif | |
371 | ||
372 | static void video_drawchars (int xx, int yy, unsigned char *s, int count) | |
373 | { | |
374 | u8 *cdat, *dest, *dest0; | |
375 | int rows, offset, c; | |
376 | u32 eorx, fgx, bgx; | |
377 | ||
378 | offset = yy * VIDEO_LINE_LEN + xx * 2; | |
379 | dest0 = video_fb_address + offset; | |
380 | ||
381 | fgx = video_pickcolor (video_color_fg); | |
382 | bgx = video_pickcolor (video_color_bg); | |
383 | ||
384 | if (xx & 1) { | |
385 | fgx = SWAPINT (fgx); | |
386 | bgx = SWAPINT (bgx); | |
387 | } | |
388 | ||
389 | eorx = fgx ^ bgx; | |
390 | ||
391 | switch (VIDEO_FONT_WIDTH) { | |
392 | case 4: | |
393 | case 8: | |
394 | while (count--) { | |
395 | c = *s; | |
396 | cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; | |
397 | for (rows = VIDEO_FONT_HEIGHT, dest = dest0; | |
398 | rows--; | |
399 | dest += VIDEO_LINE_LEN) { | |
400 | u8 bits = *cdat++; | |
401 | ||
402 | ((u32 *) dest)[0] = | |
403 | (video_font_draw_table[bits >> 6] & eorx) ^ bgx; | |
404 | ((u32 *) dest)[1] = | |
405 | (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx; | |
406 | if (VIDEO_FONT_WIDTH == 8) { | |
407 | ((u32 *) dest)[2] = | |
408 | (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx; | |
409 | ((u32 *) dest)[3] = | |
410 | (video_font_draw_table[bits & 3] & eorx) ^ bgx; | |
411 | } | |
412 | } | |
413 | dest0 += VIDEO_FONT_WIDTH * 2; | |
414 | s++; | |
415 | } | |
416 | break; | |
417 | case 12: | |
418 | case 16: | |
419 | while (count--) { | |
420 | cdat = video_fontdata + (*s) * (VIDEO_FONT_HEIGHT << 1); | |
421 | for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; | |
422 | dest += VIDEO_LINE_LEN) { | |
423 | u8 bits = *cdat++; | |
424 | ||
425 | ((u32 *) dest)[0] = | |
426 | (video_font_draw_table[bits >> 6] & eorx) ^ bgx; | |
427 | ((u32 *) dest)[1] = | |
428 | (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx; | |
429 | ((u32 *) dest)[2] = | |
430 | (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx; | |
431 | ((u32 *) dest)[3] = | |
432 | (video_font_draw_table[bits & 3] & eorx) ^ bgx; | |
433 | bits = *cdat++; | |
434 | ((u32 *) dest)[4] = | |
435 | (video_font_draw_table[bits >> 6] & eorx) ^ bgx; | |
436 | ((u32 *) dest)[5] = | |
437 | (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx; | |
438 | if (VIDEO_FONT_WIDTH == 16) { | |
439 | ((u32 *) dest)[6] = | |
440 | (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx; | |
441 | ((u32 *) dest)[7] = | |
442 | (video_font_draw_table[bits & 3] & eorx) ^ bgx; | |
443 | } | |
444 | } | |
445 | s++; | |
446 | dest0 += VIDEO_FONT_WIDTH * 2; | |
447 | } | |
448 | break; | |
449 | } | |
450 | } | |
451 | ||
77ddac94 | 452 | static inline void video_drawstring (int xx, int yy, char *s) |
5b1d7137 | 453 | { |
77ddac94 | 454 | video_drawchars (xx, yy, (unsigned char *)s, strlen (s)); |
5b1d7137 WD |
455 | } |
456 | ||
457 | /* Relative to console plotting functions */ | |
458 | ||
459 | static void video_putchars (int xx, int yy, unsigned char *s, int count) | |
460 | { | |
461 | #ifdef CONFIG_VIDEO_LOGO | |
462 | video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, s, count); | |
463 | #else | |
464 | video_drawchars (xx, yy, s, count); | |
465 | #endif | |
466 | } | |
467 | ||
468 | static void video_putchar (int xx, int yy, unsigned char c) | |
469 | { | |
470 | #ifdef CONFIG_VIDEO_LOGO | |
471 | video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1); | |
472 | #else | |
473 | video_drawchars (xx, yy, &c, 1); | |
474 | #endif | |
475 | } | |
476 | ||
477 | static inline void video_putstring (int xx, int yy, unsigned char *s) | |
478 | { | |
77ddac94 | 479 | video_putchars (xx, yy, (unsigned char *)s, strlen ((char *)s)); |
5b1d7137 WD |
480 | } |
481 | ||
482 | /************************************************************************/ | |
483 | /* ** VIDEO CONTROLLER LOW-LEVEL FUNCTIONS */ | |
484 | /************************************************************************/ | |
485 | ||
8564acf9 | 486 | #if !defined(CONFIG_RRVISION) |
5b1d7137 WD |
487 | static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries) |
488 | { | |
489 | int i; | |
490 | ||
491 | for (i = 0; i < entries; i++) { | |
492 | dest[i] = source[i]; /* Copy the entire record */ | |
493 | dest[i].fx = (!dest[i].fx) * 3; /* Negate field bit */ | |
494 | } | |
495 | ||
496 | dest[0].lcyc++; /* Add a cycle to the first entry */ | |
497 | dest[entries - 1].lst = 1; /* Set end of ram entries */ | |
498 | } | |
8564acf9 | 499 | #endif |
5b1d7137 WD |
500 | |
501 | static void inline video_mode_addentry (VRAM * vr, | |
502 | int Hx, int Vx, int Fx, int Bx, | |
503 | int VDS, int INT, int LCYC, int LP, int LST) | |
504 | { | |
505 | vr->hx = Hx; | |
506 | vr->vx = Vx; | |
507 | vr->fx = Fx; | |
508 | vr->bx = Bx; | |
509 | vr->vds = VDS; | |
510 | vr->inter = INT; | |
511 | vr->lcyc = LCYC; | |
512 | vr->lp = LP; | |
513 | vr->lst = LST; | |
514 | } | |
515 | ||
8564acf9 | 516 | #define ADDENTRY(a,b,c,d,e,f,g,h,i) video_mode_addentry(&vr[entry++],a,b,c,d,e,f,g,h,i) |
5b1d7137 WD |
517 | |
518 | static int video_mode_generate (void) | |
519 | { | |
520 | immap_t *immap = (immap_t *) CFG_IMMR; | |
521 | VRAM *vr = (VRAM *) (((void *) immap) + 0xb00); /* Pointer to the VRAM table */ | |
522 | int DX, X1, X2, DY, Y1, Y2, entry = 0, fifo; | |
523 | ||
524 | /* CHECKING PARAMETERS */ | |
525 | ||
526 | if (video_panning_factor_y < -128) | |
527 | video_panning_factor_y = -128; | |
528 | ||
529 | if (video_panning_factor_y > 128) | |
530 | video_panning_factor_y = 128; | |
531 | ||
532 | if (video_panning_factor_x < -128) | |
533 | video_panning_factor_x = -128; | |
534 | ||
535 | if (video_panning_factor_x > 128) | |
536 | video_panning_factor_x = 128; | |
537 | ||
538 | /* Setting panning */ | |
539 | ||
540 | DX = video_panning_range_x = (VIDEO_ACTIVE_COLS - VIDEO_COLS) * 2; | |
541 | DY = video_panning_range_y = (VIDEO_ACTIVE_ROWS - VIDEO_ROWS) / 2; | |
542 | ||
543 | video_panning_value_x = (video_panning_factor_x + 128) * DX / 256; | |
544 | video_panning_value_y = (video_panning_factor_y + 128) * DY / 256; | |
545 | ||
546 | /* We assume these are burst units (multiplied by 2, we need it pari) */ | |
547 | X1 = video_panning_value_x & 0xfffe; | |
548 | X2 = DX - X1; | |
549 | ||
550 | /* We assume these are field line units (divided by 2, we need it pari) */ | |
551 | Y1 = video_panning_value_y & 0xfffe; | |
552 | Y2 = DY - Y1; | |
553 | ||
8564acf9 WD |
554 | debug("X1=%d, X2=%d, Y1=%d, Y2=%d, DX=%d, DY=%d VIDEO_COLS=%d \n", |
555 | X1, X2, Y1, Y2, DX, DY, VIDEO_COLS); | |
556 | ||
5b1d7137 WD |
557 | #ifdef VIDEO_MODE_NTSC |
558 | /* | |
8564acf9 | 559 | * Hx Vx Fx Bx VDS INT LCYC LP LST |
5b1d7137 WD |
560 | * |
561 | * Retrace blanking | |
562 | */ | |
563 | ADDENTRY (0, 0, 3, 0, 1, 0, 3, 1, 0); | |
564 | ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0); | |
565 | ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0); | |
566 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
567 | /* | |
568 | * Vertical blanking | |
569 | */ | |
570 | ADDENTRY (0, 0, 0, 0, 1, 0, 18, 1, 0); | |
571 | ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0); | |
572 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
573 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
574 | /* | |
575 | * Odd field active area (TOP) | |
576 | */ | |
577 | if (Y1 > 0) { | |
578 | ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0); | |
579 | ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0); | |
580 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
581 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
582 | } | |
583 | /* | |
584 | * Odd field active area | |
585 | */ | |
586 | ADDENTRY (0, 0, 0, 0, 1, 0, 240 - DY, 1, 0); | |
587 | ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0); | |
588 | ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0); | |
589 | ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0); | |
590 | ||
591 | if (X2 > 0) | |
592 | ADDENTRY (3, 0, 0, 3, 1, 0, X2, 0, 0); | |
593 | ||
594 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
595 | ||
596 | /* | |
597 | * Odd field active area (BOTTOM) | |
598 | */ | |
599 | if (Y1 > 0) { | |
600 | ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0); | |
601 | ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0); | |
602 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
603 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
604 | } | |
605 | /* | |
606 | * Vertical blanking | |
607 | */ | |
608 | ADDENTRY (0, 0, 0, 0, 1, 0, 4, 1, 0); | |
609 | ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0); | |
610 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
611 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
612 | /* | |
613 | * Vertical blanking | |
614 | */ | |
615 | ADDENTRY (0, 0, 3, 0, 1, 0, 19, 1, 0); | |
616 | ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0); | |
617 | ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0); | |
618 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
619 | /* | |
620 | * Even field active area (TOP) | |
621 | */ | |
622 | if (Y1 > 0) { | |
623 | ADDENTRY (0, 0, 3, 0, 1, 0, Y1, 1, 0); | |
624 | ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0); | |
625 | ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0); | |
626 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
627 | } | |
628 | /* | |
629 | * Even field active area (CENTER) | |
630 | */ | |
631 | ADDENTRY (0, 0, 3, 0, 1, 0, 240 - DY, 1, 0); | |
632 | ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0); | |
633 | ADDENTRY (3, 0, 3, 3, 1, 0, 8 + X1, 0, 0); | |
634 | ADDENTRY (3, 0, 3, 3, 0, 0, VIDEO_COLS * 2, 0, 0); | |
635 | ||
636 | if (X2 > 0) | |
637 | ADDENTRY (3, 0, 3, 3, 1, 0, X2, 0, 0); | |
638 | ||
639 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
640 | /* | |
641 | * Even field active area (BOTTOM) | |
642 | */ | |
643 | if (Y1 > 0) { | |
644 | ADDENTRY (0, 0, 3, 0, 1, 0, Y2, 1, 0); | |
645 | ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0); | |
646 | ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0); | |
647 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
648 | } | |
649 | /* | |
650 | * Vertical blanking | |
651 | */ | |
652 | ADDENTRY (0, 0, 3, 0, 1, 0, 1, 1, 0); | |
653 | ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0); | |
654 | ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0); | |
655 | ADDENTRY (3, 0, 3, 0, 1, 1, 32, 1, 1); | |
656 | #endif | |
657 | ||
658 | #ifdef VIDEO_MODE_PAL | |
8564acf9 WD |
659 | |
660 | #if defined(CONFIG_RRVISION) | |
661 | ||
662 | #define HPW 160 /* horizontal pulse width (was 139) */ | |
663 | #define VPW 2 /* vertical pulse width */ | |
664 | #define HBP 104 /* horizontal back porch (was 112) */ | |
665 | #define VBP 19 /* vertical back porch (was 19) */ | |
666 | #define VID_R 240 /* number of rows */ | |
667 | ||
668 | debug ("[VIDEO CTRL] Starting to add controller entries..."); | |
669 | /* | |
670 | * Even field | |
671 | */ | |
672 | ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); | |
673 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); | |
674 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); | |
675 | ||
676 | ADDENTRY (0, 0, 0, 3, 1, 0, VPW, 1, 0); | |
677 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0); | |
678 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
679 | ||
680 | ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0); | |
681 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
682 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
683 | /* | |
684 | * Active area | |
685 | */ | |
686 | ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); | |
687 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
688 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); | |
945af8d7 | 689 | ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); |
8564acf9 WD |
690 | ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); |
691 | ||
692 | ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); | |
693 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
694 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); | |
945af8d7 WD |
695 | /* |
696 | * Odd field | |
697 | */ | |
8564acf9 WD |
698 | ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); |
699 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); | |
700 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); | |
701 | ||
702 | ADDENTRY (0, 0, 0, 3, 1, 0, VPW+1, 1, 0); | |
703 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0); | |
704 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
705 | ||
706 | ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0); | |
707 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
708 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
709 | /* | |
710 | * Active area | |
711 | */ | |
712 | ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); | |
713 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
714 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); | |
945af8d7 | 715 | ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); |
8564acf9 WD |
716 | ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); |
717 | ||
718 | ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); | |
719 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
720 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); | |
721 | ||
722 | debug ("done\n"); | |
723 | ||
724 | #else /* !CONFIG_RRVISION */ | |
725 | ||
5b1d7137 WD |
726 | /* |
727 | * Hx Vx Fx Bx VDS INT LCYC LP LST | |
728 | * | |
729 | * vertical; blanking | |
730 | */ | |
731 | ADDENTRY (0, 0, 0, 0, 1, 0, 22, 1, 0); | |
732 | ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0); | |
733 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
734 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
735 | /* | |
736 | * active area (TOP) | |
737 | */ | |
738 | if (Y1 > 0) { | |
739 | ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0); /* 11? */ | |
740 | ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0); | |
741 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
742 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
743 | } | |
744 | /* | |
745 | * field active area (CENTER) | |
746 | */ | |
747 | ADDENTRY (0, 0, 0, 0, 1, 0, 288 - DY, 1, 0); /* 265? */ | |
748 | ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0); | |
749 | ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0); | |
750 | ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0); | |
751 | ||
752 | if (X2 > 0) | |
753 | ADDENTRY (3, 0, 0, 1, 1, 0, X2, 0, 0); | |
754 | ||
755 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
756 | /* | |
757 | * field active area (BOTTOM) | |
758 | */ | |
759 | if (Y2 > 0) { | |
760 | ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0); /* 12? */ | |
761 | ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0); | |
762 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
763 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
764 | } | |
765 | /* | |
766 | * field vertical; blanking | |
767 | */ | |
768 | ADDENTRY (0, 0, 0, 0, 1, 0, 2, 1, 0); | |
769 | ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0); | |
770 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
771 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
772 | /* | |
773 | * Create the other field (like this, but whit other field selected, | |
774 | * one more cycle loop and a last identifier) | |
775 | */ | |
776 | video_mode_dupefield (vr, &vr[entry], entry); | |
8564acf9 WD |
777 | #endif /* CONFIG_RRVISION */ |
778 | ||
779 | #endif /* VIDEO_MODE_PAL */ | |
5b1d7137 WD |
780 | |
781 | /* See what FIFO are we using */ | |
782 | fifo = GETBIT (immap->im_vid.vid_vsr, VIDEO_VSR_CAS); | |
783 | ||
784 | /* Set number of lines and burst (only one frame for now) */ | |
785 | if (fifo) { | |
786 | immap->im_vid.vid_vfcr0 = VIDEO_BURST_LEN | | |
787 | (VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19); | |
788 | } else { | |
789 | immap->im_vid.vid_vfcr1 = VIDEO_BURST_LEN | | |
790 | (VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19); | |
791 | } | |
792 | ||
793 | SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_ASEL, !fifo); | |
794 | ||
795 | /* | |
796 | * Wait until changes are applied (not done) | |
797 | * while (GETBIT(immap->im_vid.vid_vsr, VIDEO_VSR_CAS) == fifo) ; | |
798 | */ | |
799 | ||
800 | /* Return number of VRAM entries */ | |
801 | return entry * 2; | |
802 | } | |
803 | ||
804 | static void video_encoder_init (void) | |
805 | { | |
806 | #ifdef VIDEO_I2C | |
807 | int rc; | |
808 | ||
809 | /* Initialize the I2C */ | |
810 | debug ("[VIDEO ENCODER] Initializing I2C bus...\n"); | |
811 | i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); | |
812 | ||
813 | #ifdef CONFIG_FADS | |
814 | /* Reset ADV7176 chip */ | |
815 | debug ("[VIDEO ENCODER] Resetting encoder...\n"); | |
816 | (*(int *) BCSR4) &= ~(1 << 21); | |
817 | ||
818 | /* Wait for 5 ms inside the reset */ | |
819 | debug ("[VIDEO ENCODER] Waiting for encoder reset...\n"); | |
820 | udelay (5000); | |
821 | ||
822 | /* Take ADV7176 out of reset */ | |
823 | (*(int *) BCSR4) |= 1 << 21; | |
824 | ||
825 | /* Wait for 5 ms after the reset */ | |
826 | udelay (5000); | |
827 | #endif /* CONFIG_FADS */ | |
828 | ||
829 | /* Send configuration */ | |
830 | #ifdef DEBUG | |
831 | { | |
832 | int i; | |
833 | ||
834 | puts ("[VIDEO ENCODER] Configuring the encoder...\n"); | |
835 | ||
836 | printf ("Sending %d bytes (@ %08lX) to I2C 0x%X:\n ", | |
837 | sizeof(video_encoder_data), | |
838 | (ulong)video_encoder_data, | |
839 | VIDEO_I2C_ADDR); | |
840 | for (i=0; i<sizeof(video_encoder_data); ++i) { | |
841 | printf(" %02X", video_encoder_data[i]); | |
842 | } | |
843 | putc ('\n'); | |
844 | } | |
845 | #endif /* DEBUG */ | |
846 | ||
847 | if ((rc = i2c_write (VIDEO_I2C_ADDR, 0, 1, | |
848 | video_encoder_data, | |
849 | sizeof(video_encoder_data))) != 0) { | |
850 | printf ("i2c_send error: rc=%d\n", rc); | |
851 | return; | |
852 | } | |
853 | #endif /* VIDEO_I2C */ | |
854 | return; | |
855 | } | |
856 | ||
857 | static void video_ctrl_init (void *memptr) | |
858 | { | |
859 | immap_t *immap = (immap_t *) CFG_IMMR; | |
860 | ||
861 | video_fb_address = memptr; | |
862 | ||
863 | /* Set background */ | |
864 | debug ("[VIDEO CTRL] Setting background color...\n"); | |
865 | immap->im_vid.vid_vbcb = VIDEO_BG_COL; | |
866 | ||
867 | /* Show the background */ | |
868 | debug ("[VIDEO CTRL] Forcing background...\n"); | |
869 | SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 1); | |
870 | ||
871 | /* Turn off video controller */ | |
872 | debug ("[VIDEO CTRL] Turning off video controller...\n"); | |
873 | SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 0); | |
874 | ||
875 | #ifdef CONFIG_FADS | |
876 | /* Turn on Video Port LED */ | |
877 | debug ("[VIDEO CTRL] Turning off video port led...\n"); | |
878 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 1); | |
879 | ||
880 | /* Disable internal clock */ | |
881 | debug ("[VIDEO CTRL] Disabling internal clock...\n"); | |
882 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 0); | |
883 | #endif | |
884 | ||
885 | /* Generate and make active a new video mode */ | |
886 | debug ("[VIDEO CTRL] Generating video mode...\n"); | |
887 | video_mode_generate (); | |
888 | ||
889 | /* Start of frame buffer (even and odd frame, to make it working with */ | |
890 | /* any selected active set) */ | |
891 | debug ("[VIDEO CTRL] Setting frame buffer address...\n"); | |
892 | immap->im_vid.vid_vfaa1 = | |
893 | immap->im_vid.vid_vfaa0 = (u32) video_fb_address; | |
894 | immap->im_vid.vid_vfba1 = | |
895 | immap->im_vid.vid_vfba0 = | |
896 | (u32) video_fb_address + VIDEO_LINE_LEN; | |
897 | ||
898 | /* YUV, Big endian, SHIFT/CLK/CLK input (BEFORE ENABLING 27MHZ EXT CLOCK) */ | |
899 | debug ("[VIDEO CTRL] Setting pixel mode and clocks...\n"); | |
900 | immap->im_vid.vid_vccr = 0x2042; | |
901 | ||
902 | /* Configure port pins */ | |
903 | debug ("[VIDEO CTRL] Configuring input/output pins...\n"); | |
904 | immap->im_ioport.iop_pdpar = 0x1fff; | |
905 | immap->im_ioport.iop_pddir = 0x0000; | |
906 | ||
907 | #ifdef CONFIG_FADS | |
908 | /* Turn on Video Port Clock - ONLY AFTER SET VCCR TO ENABLE EXTERNAL CLOCK */ | |
909 | debug ("[VIDEO CTRL] Turning on video clock...\n"); | |
910 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 1); | |
911 | ||
912 | /* Turn on Video Port LED */ | |
913 | debug ("[VIDEO CTRL] Turning on video port led...\n"); | |
914 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 0); | |
915 | #endif | |
5b1d7137 | 916 | #ifdef CONFIG_RRVISION |
8564acf9 WD |
917 | debug ("PC5->Output(1): enable PAL clock"); |
918 | immap->im_ioport.iop_pcpar &= ~(0x0400); | |
919 | immap->im_ioport.iop_pcdir |= 0x0400 ; | |
920 | immap->im_ioport.iop_pcdat |= 0x0400 ; | |
921 | debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n", | |
922 | immap->im_ioport.iop_pdpar, | |
923 | immap->im_ioport.iop_pddir, | |
924 | immap->im_ioport.iop_pddat); | |
925 | debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n", | |
926 | immap->im_ioport.iop_pcpar, | |
927 | immap->im_ioport.iop_pcdir, | |
928 | immap->im_ioport.iop_pcdat); | |
5b1d7137 WD |
929 | #endif /* CONFIG_RRVISION */ |
930 | ||
931 | /* Blanking the screen. */ | |
932 | debug ("[VIDEO CTRL] Blanking the screen...\n"); | |
933 | video_fill (VIDEO_BG_COL); | |
934 | ||
8bde7f77 WD |
935 | /* |
936 | * Turns on Aggressive Mode. Normally, turning on the caches | |
937 | * will cause the screen to flicker when the caches try to | |
938 | * fill. This gives the FIFO's for the Video Controller | |
939 | * higher priority and prevents flickering because of | |
940 | * underrun. This may still be an issue when using FLASH, | |
941 | * since accessing data from Flash is so slow. | |
5b1d7137 WD |
942 | */ |
943 | debug ("[VIDEO CTRL] Turning on aggressive mode...\n"); | |
944 | immap->im_siu_conf.sc_sdcr = 0x40; | |
945 | ||
946 | /* Turn on video controller */ | |
947 | debug ("[VIDEO CTRL] Turning on video controller...\n"); | |
948 | SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 1); | |
949 | ||
950 | /* Show the display */ | |
951 | debug ("[VIDEO CTRL] Enabling the video...\n"); | |
952 | SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 0); | |
953 | } | |
954 | ||
955 | /************************************************************************/ | |
956 | /* ** CONSOLE FUNCTIONS */ | |
957 | /************************************************************************/ | |
958 | ||
959 | static void console_scrollup (void) | |
960 | { | |
961 | /* Copy up rows ignoring the first one */ | |
962 | memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE >> 2); | |
963 | ||
964 | /* Clear the last one */ | |
965 | memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, VIDEO_BG_COL); | |
966 | } | |
967 | ||
968 | static inline void console_back (void) | |
969 | { | |
970 | console_col--; | |
971 | ||
972 | if (console_col < 0) { | |
973 | console_col = CONSOLE_COLS - 1; | |
974 | console_row--; | |
975 | if (console_row < 0) | |
976 | console_row = 0; | |
977 | } | |
978 | ||
979 | video_putchar ( console_col * VIDEO_FONT_WIDTH, | |
980 | console_row * VIDEO_FONT_HEIGHT, ' '); | |
981 | } | |
982 | ||
983 | static inline void console_newline (void) | |
984 | { | |
985 | console_row++; | |
986 | console_col = 0; | |
987 | ||
988 | /* Check if we need to scroll the terminal */ | |
989 | if (console_row >= CONSOLE_ROWS) { | |
990 | /* Scroll everything up */ | |
991 | console_scrollup (); | |
992 | ||
993 | /* Decrement row number */ | |
994 | console_row--; | |
995 | } | |
996 | } | |
997 | ||
998 | void video_putc (const char c) | |
999 | { | |
1000 | if (!video_enable) { | |
1001 | serial_putc (c); | |
1002 | return; | |
1003 | } | |
1004 | ||
1005 | switch (c) { | |
1006 | case 13: /* Simply ignore this */ | |
1007 | break; | |
1008 | ||
1009 | case '\n': /* Next line, please */ | |
1010 | console_newline (); | |
1011 | break; | |
1012 | ||
1013 | case 9: /* Tab (8 chars alignment) */ | |
1014 | console_col |= 0x0008; /* Next 8 chars boundary */ | |
1015 | console_col &= ~0x0007; /* Set this bit to zero */ | |
1016 | ||
1017 | if (console_col >= CONSOLE_COLS) | |
1018 | console_newline (); | |
1019 | break; | |
1020 | ||
1021 | case 8: /* Eat last character */ | |
1022 | console_back (); | |
1023 | break; | |
1024 | ||
1025 | default: /* Add to the console */ | |
1026 | video_putchar ( console_col * VIDEO_FONT_WIDTH, | |
1027 | console_row * VIDEO_FONT_HEIGHT, c); | |
1028 | console_col++; | |
1029 | /* Check if we need to go to next row */ | |
1030 | if (console_col >= CONSOLE_COLS) | |
1031 | console_newline (); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | void video_puts (const char *s) | |
1036 | { | |
1037 | int count = strlen (s); | |
1038 | ||
1039 | if (!video_enable) | |
1040 | while (count--) | |
1041 | serial_putc (*s++); | |
1042 | else | |
1043 | while (count--) | |
1044 | video_putc (*s++); | |
1045 | } | |
1046 | ||
1047 | /************************************************************************/ | |
1048 | /* ** CURSOR BLINKING FUNCTIONS */ | |
1049 | /************************************************************************/ | |
1050 | ||
1051 | #ifdef VIDEO_BLINK | |
1052 | ||
1053 | #define BLINK_TIMER_ID 0 | |
1054 | #define BLINK_TIMER_HZ 2 | |
1055 | ||
1056 | static unsigned char blink_enabled = 0; | |
1057 | static timer_t blink_timer; | |
1058 | ||
1059 | static void blink_update (void) | |
1060 | { | |
1061 | static int blink_row = -1, blink_col = -1, blink_old = 0; | |
1062 | ||
1063 | /* Check if we have a new position to invert */ | |
1064 | if ((console_row != blink_row) || (console_col != blink_col)) { | |
1065 | /* Check if we need to reverse last character */ | |
1066 | if (blink_old) | |
1067 | video_revchar ( blink_col * VIDEO_FONT_WIDTH, | |
1068 | (blink_row | |
1069 | #ifdef CONFIG_VIDEO_LOGO | |
1070 | + VIDEO_LOGO_HEIGHT | |
1071 | #endif | |
1072 | ) * VIDEO_FONT_HEIGHT); | |
1073 | ||
1074 | /* Update values */ | |
1075 | blink_row = console_row; | |
1076 | blink_col = console_col; | |
1077 | blink_old = 0; | |
1078 | } | |
1079 | ||
1080 | /* Reverse this character */ | |
1081 | blink_old = !blink_old; | |
1082 | video_revchar ( console_col * VIDEO_FONT_WIDTH, | |
1083 | (console_row | |
1084 | #ifdef CONFIG_VIDEO_LOGO | |
1085 | + VIDEO_LOGO_HEIGHT | |
1086 | #endif | |
1087 | ) * VIDEO_FONT_HEIGHT); | |
1088 | ||
1089 | } | |
1090 | ||
1091 | /* | |
1092 | * Handler for blinking cursor | |
1093 | */ | |
1094 | static void blink_handler (void *arg) | |
1095 | { | |
1096 | /* Blink */ | |
1097 | blink_update (); | |
1098 | /* Ack the timer */ | |
1099 | timer_ack (&blink_timer); | |
1100 | } | |
1101 | ||
1102 | int blink_set (int blink) | |
1103 | { | |
1104 | int ret = blink_enabled; | |
1105 | ||
1106 | if (blink) | |
1107 | timer_enable (&blink_timer); | |
1108 | else | |
1109 | timer_disable (&blink_timer); | |
1110 | ||
1111 | blink_enabled = blink; | |
1112 | ||
1113 | return ret; | |
1114 | } | |
1115 | ||
1116 | static inline void blink_close (void) | |
1117 | { | |
1118 | timer_close (&blink_timer); | |
1119 | } | |
1120 | ||
1121 | static inline void blink_init (void) | |
1122 | { | |
1123 | timer_init (&blink_timer, | |
1124 | BLINK_TIMER_ID, BLINK_TIMER_HZ, | |
1125 | blink_handler); | |
1126 | } | |
1127 | #endif | |
1128 | ||
1129 | /************************************************************************/ | |
1130 | /* ** LOGO PLOTTING FUNCTIONS */ | |
1131 | /************************************************************************/ | |
1132 | ||
1133 | #ifdef CONFIG_VIDEO_LOGO | |
1134 | void easylogo_plot (fastimage_t * image, void *screen, int width, int x, | |
1135 | int y) | |
1136 | { | |
1137 | int skip = width - image->width, xcount, ycount = image->height; | |
1138 | ||
1139 | #ifdef VIDEO_MODE_YUYV | |
1140 | ushort *source = (ushort *) image->data; | |
1141 | ushort *dest = (ushort *) screen + y * width + x; | |
1142 | ||
1143 | while (ycount--) { | |
1144 | xcount = image->width; | |
1145 | while (xcount--) | |
1146 | *dest++ = *source++; | |
1147 | dest += skip; | |
1148 | } | |
1149 | #endif | |
1150 | #ifdef VIDEO_MODE_RGB | |
1151 | unsigned char | |
1152 | *source = (unsigned short *) image->data, | |
1153 | *dest = (unsigned short *) screen + ((y * width) + x) * 3; | |
1154 | ||
1155 | while (ycount--) { | |
1156 | xcount = image->width * 3; | |
1157 | memcpy (dest, source, xcount); | |
1158 | source += xcount; | |
1159 | dest += ycount; | |
1160 | } | |
1161 | #endif | |
1162 | } | |
1163 | ||
1164 | static void *video_logo (void) | |
1165 | { | |
1166 | u16 *screen = video_fb_address, width = VIDEO_COLS; | |
1167 | #ifdef VIDEO_INFO | |
1168 | # ifndef CONFIG_FADS | |
5b1d7137 WD |
1169 | char temp[32]; |
1170 | # endif | |
1171 | char info[80]; | |
1172 | #endif /* VIDEO_INFO */ | |
1173 | ||
1174 | easylogo_plot (VIDEO_LOGO_ADDR, screen, width, 0, 0); | |
1175 | ||
1176 | #ifdef VIDEO_INFO | |
1177 | sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__); | |
1178 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info); | |
1179 | ||
1180 | sprintf (info, "(C) 2002 DENX Software Engineering"); | |
1181 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT, | |
1182 | info); | |
1183 | ||
1184 | sprintf (info, " Wolfgang DENK, [email protected]"); | |
1185 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2, | |
1186 | info); | |
1187 | #ifndef CONFIG_FADS /* all normal boards */ | |
1188 | /* leave one blank line */ | |
1189 | ||
1190 | sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash", | |
1191 | strmhz(temp, gd->cpu_clk), | |
1192 | gd->ram_size >> 20, | |
1193 | gd->bd->bi_flashsize >> 20 ); | |
1194 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 4, | |
1195 | info); | |
1196 | #else /* FADS :-( */ | |
1197 | sprintf (info, "MPC823 CPU at 50 MHz on FADS823 board"); | |
1198 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT, | |
1199 | info); | |
1200 | ||
1201 | sprintf (info, "2MB FLASH - 8MB DRAM - 4MB SRAM"); | |
1202 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2, | |
1203 | info); | |
1204 | #endif | |
1205 | #endif | |
1206 | ||
1207 | return video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN; | |
1208 | } | |
1209 | #endif | |
1210 | ||
1211 | /************************************************************************/ | |
1212 | /* ** VIDEO HIGH-LEVEL FUNCTIONS */ | |
1213 | /************************************************************************/ | |
1214 | ||
1215 | static int video_init (void *videobase) | |
1216 | { | |
1217 | /* Initialize the encoder */ | |
1218 | debug ("[VIDEO] Initializing video encoder...\n"); | |
1219 | video_encoder_init (); | |
1220 | ||
1221 | /* Initialize the video controller */ | |
1222 | debug ("[VIDEO] Initializing video controller at %08x...\n", | |
1223 | (int) videobase); | |
1224 | video_ctrl_init (videobase); | |
1225 | ||
1226 | /* Setting the palette */ | |
1227 | video_setpalette (CONSOLE_COLOR_BLACK, 0, 0, 0); | |
1228 | video_setpalette (CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
1229 | video_setpalette (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
1230 | video_setpalette (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
1231 | video_setpalette (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
1232 | video_setpalette (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
1233 | video_setpalette (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
1234 | video_setpalette (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
1235 | video_setpalette (CONSOLE_COLOR_GREY2, 0xF8, 0xF8, 0xF8); | |
1236 | video_setpalette (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
1237 | ||
1238 | #ifndef CFG_WHITE_ON_BLACK | |
1239 | video_setfgcolor (CONSOLE_COLOR_BLACK); | |
1240 | video_setbgcolor (CONSOLE_COLOR_GREY2); | |
1241 | #else | |
1242 | video_setfgcolor (CONSOLE_COLOR_GREY2); | |
1243 | video_setbgcolor (CONSOLE_COLOR_BLACK); | |
1244 | #endif /* CFG_WHITE_ON_BLACK */ | |
1245 | ||
1246 | #ifdef CONFIG_VIDEO_LOGO | |
1247 | /* Paint the logo and retrieve tv base address */ | |
1248 | debug ("[VIDEO] Drawing the logo...\n"); | |
1249 | video_console_address = video_logo (); | |
1250 | #else | |
1251 | video_console_address = video_fb_address; | |
1252 | #endif | |
1253 | ||
1254 | #ifdef VIDEO_BLINK | |
1255 | /* Enable the blinking (under construction) */ | |
1256 | blink_init (); | |
1257 | blink_set (0); /* To Fix! */ | |
1258 | #endif | |
1259 | ||
1260 | /* Initialize the console */ | |
1261 | console_col = 0; | |
1262 | console_row = 0; | |
1263 | video_enable = 1; | |
1264 | ||
1265 | #ifdef VIDEO_MODE_PAL | |
1266 | # define VIDEO_MODE_TMP1 "PAL" | |
1267 | #endif | |
1268 | #ifdef VIDEO_MODE_NTSC | |
1269 | # define VIDEO_MODE_TMP1 "NTSC" | |
1270 | #endif | |
1271 | #ifdef VIDEO_MODE_YUYV | |
1272 | # define VIDEO_MODE_TMP2 "YCbYCr" | |
1273 | #endif | |
1274 | #ifdef VIDEO_MODE_RGB | |
1275 | # define VIDEO_MODE_TMP2 "RGB" | |
1276 | #endif | |
1277 | debug ( VIDEO_MODE_TMP1 | |
1278 | " %dx%dx%d (" VIDEO_MODE_TMP2 ") on %s - console %dx%d\n", | |
1279 | VIDEO_COLS, VIDEO_ROWS, VIDEO_MODE_BPP, | |
1280 | VIDEO_ENCODER_NAME, CONSOLE_COLS, CONSOLE_ROWS); | |
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | int drv_video_init (void) | |
1285 | { | |
5b1d7137 WD |
1286 | int error, devices = 1; |
1287 | ||
1288 | device_t videodev; | |
1289 | ||
1290 | video_init ((void *)(gd->fb_base)); /* Video initialization */ | |
1291 | ||
1292 | /* Device initialization */ | |
1293 | ||
1294 | memset (&videodev, 0, sizeof (videodev)); | |
1295 | ||
1296 | strcpy (videodev.name, "video"); | |
1297 | videodev.ext = DEV_EXT_VIDEO; /* Video extensions */ | |
1298 | videodev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
1299 | videodev.putc = video_putc; /* 'putc' function */ | |
1300 | videodev.puts = video_puts; /* 'puts' function */ | |
1301 | ||
1302 | error = device_register (&videodev); | |
1303 | ||
1304 | return (error == 0) ? devices : error; | |
1305 | } | |
1306 | ||
1307 | /************************************************************************/ | |
1308 | /* ** ROM capable initialization part - needed to reserve FB memory */ | |
1309 | /************************************************************************/ | |
1310 | ||
1311 | /* | |
1312 | * This is called early in the system initialization to grab memory | |
1313 | * for the video controller. | |
1314 | * Returns new address for monitor, after reserving video buffer memory | |
1315 | * | |
1316 | * Note that this is running from ROM, so no write access to global data. | |
1317 | */ | |
1318 | ulong video_setmem (ulong addr) | |
1319 | { | |
1320 | /* Allocate pages for the frame buffer. */ | |
1321 | addr -= VIDEO_SIZE; | |
1322 | ||
1323 | debug ("Reserving %dk for Video Framebuffer at: %08lx\n", | |
1324 | VIDEO_SIZE>>10, addr); | |
1325 | ||
1326 | return (addr); | |
1327 | } | |
1328 | ||
5b1d7137 | 1329 | #endif |