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5b1d7137 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it | |
4 | * (C) Copyright 2002 | |
5 | * Wolfgang Denk, 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 | ||
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 | ||
42 | /************************************************************************/ | |
43 | /* ** DEBUG SETTINGS */ | |
44 | /************************************************************************/ | |
45 | ||
46 | #if 0 | |
47 | #define VIDEO_DEBUG_COLORBARS /* Force colorbars output */ | |
48 | #endif | |
49 | ||
50 | /************************************************************************/ | |
51 | /* ** VIDEO MODE SETTINGS */ | |
52 | /************************************************************************/ | |
53 | ||
54 | #if 0 | |
55 | #define VIDEO_MODE_EXTENDED /* Allow screen size bigger than visible area */ | |
56 | #define VIDEO_MODE_NTSC | |
57 | #endif | |
58 | ||
59 | #define VIDEO_MODE_PAL | |
60 | ||
61 | #if 0 | |
62 | #define VIDEO_BLINK /* This enables cursor blinking (under construction) */ | |
63 | #endif | |
64 | ||
65 | #define VIDEO_INFO /* Show U-Boot information */ | |
66 | #define VIDEO_INFO_X VIDEO_LOGO_WIDTH+8 | |
67 | #define VIDEO_INFO_Y 16 | |
68 | ||
69 | /************************************************************************/ | |
70 | /* ** VIDEO ENCODER CONSTANTS */ | |
71 | /************************************************************************/ | |
72 | ||
73 | #ifdef CONFIG_VIDEO_ENCODER_AD7176 | |
74 | ||
75 | #include <video_ad7176.h> /* Sets encoder data, mode, and visible and active area */ | |
76 | ||
77 | #define VIDEO_I2C 1 | |
78 | #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7176_ADDR | |
79 | #endif | |
80 | ||
81 | #ifdef CONFIG_VIDEO_ENCODER_AD7177 | |
82 | ||
83 | #include <video_ad7177.h> /* Sets encoder data, mode, and visible and active area */ | |
84 | ||
85 | #define VIDEO_I2C 1 | |
86 | #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7177_ADDR | |
87 | #endif | |
88 | ||
8564acf9 WD |
89 | #ifdef CONFIG_VIDEO_ENCODER_AD7179 |
90 | ||
91 | #include <video_ad7179.h> /* Sets encoder data, mode, and visible and active area */ | |
92 | ||
93 | #define VIDEO_I2C 1 | |
94 | #define VIDEO_I2C_ADDR CONFIG_VIDEO_ENCODER_AD7179_ADDR | |
95 | #endif | |
96 | ||
5b1d7137 WD |
97 | /************************************************************************/ |
98 | /* ** VIDEO MODE CONSTANTS */ | |
99 | /************************************************************************/ | |
100 | ||
101 | #ifdef VIDEO_MODE_EXTENDED | |
102 | #define VIDEO_COLS VIDEO_ACTIVE_COLS | |
103 | #define VIDEO_ROWS VIDEO_ACTIVE_ROWS | |
104 | #else | |
105 | #define VIDEO_COLS VIDEO_VISIBLE_COLS | |
106 | #define VIDEO_ROWS VIDEO_VISIBLE_ROWS | |
107 | #endif | |
108 | ||
109 | #define VIDEO_PIXEL_SIZE (VIDEO_MODE_BPP/8) | |
110 | #define VIDEO_SIZE (VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Total size of buffer */ | |
111 | #define VIDEO_PIX_BLOCKS (VIDEO_SIZE >> 2) /* Number of ints */ | |
112 | #define VIDEO_LINE_LEN (VIDEO_COLS*VIDEO_PIXEL_SIZE) /* Number of bytes per line */ | |
113 | #define VIDEO_BURST_LEN (VIDEO_COLS/8) | |
114 | ||
115 | #ifdef VIDEO_MODE_YUYV | |
116 | #define VIDEO_BG_COL 0x80D880D8 /* Background color in YUYV format */ | |
117 | #else | |
118 | #define VIDEO_BG_COL 0xF8F8F8F8 /* Background color in RGB format */ | |
119 | #endif | |
120 | ||
121 | /************************************************************************/ | |
122 | /* ** FONT AND LOGO DATA */ | |
123 | /************************************************************************/ | |
124 | ||
125 | #include <video_font.h> /* Get font data, width and height */ | |
126 | ||
127 | #ifdef CONFIG_VIDEO_LOGO | |
128 | #include <video_logo.h> /* Get logo data, width and height */ | |
129 | ||
130 | #define VIDEO_LOGO_WIDTH DEF_U_BOOT_LOGO_WIDTH | |
131 | #define VIDEO_LOGO_HEIGHT DEF_U_BOOT_LOGO_HEIGHT | |
132 | #define VIDEO_LOGO_ADDR &u_boot_logo | |
133 | #endif | |
134 | ||
135 | /************************************************************************/ | |
136 | /* ** VIDEO CONTROLLER CONSTANTS */ | |
137 | /************************************************************************/ | |
138 | ||
139 | /* VCCR - VIDEO CONTROLLER CONFIGURATION REGISTER */ | |
140 | ||
141 | #define VIDEO_VCCR_VON 0 /* Video controller ON */ | |
142 | #define VIDEO_VCCR_CSRC 1 /* Clock source */ | |
143 | #define VIDEO_VCCR_PDF 13 /* Pixel display format */ | |
144 | #define VIDEO_VCCR_IEN 11 /* Interrupt enable */ | |
145 | ||
146 | /* VSR - VIDEO STATUS REGISTER */ | |
147 | ||
148 | #define VIDEO_VSR_CAS 6 /* Active set */ | |
149 | #define VIDEO_VSR_EOF 0 /* End of frame */ | |
150 | ||
151 | /* VCMR - VIDEO COMMAND REGISTER */ | |
152 | ||
153 | #define VIDEO_VCMR_BD 0 /* Blank display */ | |
154 | #define VIDEO_VCMR_ASEL 1 /* Active set selection */ | |
155 | ||
156 | /* VBCB - VIDEO BACKGROUND COLOR BUFFER REGISTER */ | |
157 | ||
158 | #define VIDEO_BCSR4_RESET_BIT 21 /* BCSR4 - Extern video encoder reset */ | |
159 | #define VIDEO_BCSR4_EXTCLK_BIT 22 /* BCSR4 - Extern clock enable */ | |
160 | #define VIDEO_BCSR4_VIDLED_BIT 23 /* BCSR4 - Video led disable */ | |
161 | ||
162 | /************************************************************************/ | |
163 | /* ** CONSOLE CONSTANTS */ | |
164 | /************************************************************************/ | |
165 | ||
8564acf9 | 166 | #ifdef CONFIG_VIDEO_LOGO |
5b1d7137 WD |
167 | #define CONSOLE_ROWS ((VIDEO_ROWS - VIDEO_LOGO_HEIGHT) / VIDEO_FONT_HEIGHT) |
168 | #define VIDEO_LOGO_SKIP (VIDEO_COLS - VIDEO_LOGO_WIDTH) | |
169 | #else | |
170 | #define CONSOLE_ROWS (VIDEO_ROWS / VIDEO_FONT_HEIGHT) | |
171 | #endif | |
172 | ||
173 | #define CONSOLE_COLS (VIDEO_COLS / VIDEO_FONT_WIDTH) | |
8564acf9 | 174 | #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN) |
5b1d7137 | 175 | #define CONSOLE_ROW_FIRST (video_console_address) |
8564acf9 | 176 | #define CONSOLE_ROW_SECOND (video_console_address + CONSOLE_ROW_SIZE) |
5b1d7137 | 177 | #define CONSOLE_ROW_LAST (video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE) |
8564acf9 | 178 | #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS) |
5b1d7137 WD |
179 | #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE) |
180 | ||
181 | /* | |
182 | * Simple color definitions | |
183 | */ | |
184 | #define CONSOLE_COLOR_BLACK 0 | |
185 | #define CONSOLE_COLOR_RED 1 | |
186 | #define CONSOLE_COLOR_GREEN 2 | |
187 | #define CONSOLE_COLOR_YELLOW 3 | |
188 | #define CONSOLE_COLOR_BLUE 4 | |
189 | #define CONSOLE_COLOR_MAGENTA 5 | |
190 | #define CONSOLE_COLOR_CYAN 6 | |
191 | #define CONSOLE_COLOR_GREY 13 | |
192 | #define CONSOLE_COLOR_GREY2 14 | |
193 | #define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */ | |
194 | ||
195 | /************************************************************************/ | |
196 | /* ** BITOPS MACROS */ | |
197 | /************************************************************************/ | |
198 | ||
199 | #define HISHORT(i) ((i >> 16)&0xffff) | |
200 | #define LOSHORT(i) (i & 0xffff) | |
201 | #define HICHAR(s) ((i >> 8)&0xff) | |
202 | #define LOCHAR(s) (i & 0xff) | |
203 | #define HI(c) ((c >> 4)&0xf) | |
204 | #define LO(c) (c & 0xf) | |
205 | #define SWAPINT(i) (HISHORT(i) | (LOSHORT(i) << 16)) | |
206 | #define SWAPSHORT(s) (HICHAR(s) | (LOCHAR(s) << 8)) | |
207 | #define SWAPCHAR(c) (HI(c) | (LO(c) << 4)) | |
208 | #define BITMASK(b) (1 << (b)) | |
209 | #define GETBIT(v,b) (((v) & BITMASK(b)) > 0) | |
210 | #define SETBIT(v,b,d) (v = (((d)>0) ? (v) | BITMASK(b): (v) & ~BITMASK(b))) | |
211 | ||
212 | /************************************************************************/ | |
213 | /* ** STRUCTURES */ | |
214 | /************************************************************************/ | |
215 | ||
216 | typedef struct { | |
217 | unsigned char V, Y1, U, Y2; | |
218 | } tYUYV; | |
219 | ||
220 | /* This structure is based on the Video Ram in the MPC823. */ | |
221 | typedef struct VRAM { | |
222 | unsigned hx:2, /* Horizontal sync */ | |
223 | vx:2, /* Vertical sync */ | |
224 | fx:2, /* Frame */ | |
225 | bx:2, /* Blank */ | |
226 | res1:6, /* Reserved */ | |
227 | vds:2, /* Video Data Select */ | |
228 | inter:1, /* Interrupt */ | |
229 | res2:2, /* Reserved */ | |
230 | lcyc:11, /* Loop/video cycles */ | |
231 | lp:1, /* Loop start/end */ | |
232 | lst:1; /* Last entry */ | |
233 | } VRAM; | |
234 | ||
235 | /************************************************************************/ | |
236 | /* ** VARIABLES */ | |
237 | /************************************************************************/ | |
238 | ||
239 | static int | |
240 | video_panning_range_x = 0, /* Video mode invisible pixels x range */ | |
241 | video_panning_range_y = 0, /* Video mode invisible pixels y range */ | |
242 | video_panning_value_x = 0, /* Video mode x panning value (absolute) */ | |
243 | video_panning_value_y = 0, /* Video mode y panning value (absolute) */ | |
244 | video_panning_factor_x = 0, /* Video mode x panning value (-127 +127) */ | |
245 | video_panning_factor_y = 0, /* Video mode y panning value (-127 +127) */ | |
246 | console_col = 0, /* Cursor col */ | |
247 | console_row = 0, /* Cursor row */ | |
248 | video_palette[16]; /* Our palette */ | |
249 | ||
250 | static const int video_font_draw_table[] = | |
251 | { 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff }; | |
252 | ||
253 | static char | |
254 | video_color_fg = 0, /* Current fg color index (0-15) */ | |
255 | video_color_bg = 0, /* Current bg color index (0-15) */ | |
256 | video_enable = 0; /* Video has been initialized? */ | |
257 | ||
258 | static void | |
259 | *video_fb_address, /* Frame buffer address */ | |
260 | *video_console_address; /* Console frame buffer start address */ | |
261 | ||
262 | /************************************************************************/ | |
263 | /* ** MEMORY FUNCTIONS (32bit) */ | |
264 | /************************************************************************/ | |
265 | ||
266 | static void memsetl (int *p, int c, int v) | |
267 | { | |
268 | while (c--) | |
269 | *(p++) = v; | |
270 | } | |
271 | ||
272 | static void memcpyl (int *d, int *s, int c) | |
273 | { | |
274 | while (c--) | |
275 | *(d++) = *(s++); | |
276 | } | |
277 | ||
278 | /************************************************************************/ | |
279 | /* ** VIDEO DRAWING AND COLOR FUNCTIONS */ | |
280 | /************************************************************************/ | |
281 | ||
282 | static int video_maprgb (int r, int g, int b) | |
283 | { | |
284 | #ifdef VIDEO_MODE_YUYV | |
285 | unsigned int pR, pG, pB; | |
286 | tYUYV YUYV; | |
287 | unsigned int *ret = (unsigned int *) &YUYV; | |
288 | ||
289 | /* Transform (0-255) components to (0-100) */ | |
290 | ||
291 | pR = r * 100 / 255; | |
292 | pG = g * 100 / 255; | |
293 | pB = b * 100 / 255; | |
294 | ||
295 | /* Calculate YUV values (0-255) from RGB beetween 0-100 */ | |
296 | ||
297 | YUYV.Y1 = YUYV.Y2 = 209 * (pR + pG + pB) / 300 + 16; | |
8564acf9 WD |
298 | YUYV.U = pR - (pG * 3 / 4) - (pB / 4) + 128; |
299 | YUYV.V = pB - (pR / 4) - (pG * 3 / 4) + 128; | |
5b1d7137 WD |
300 | return *ret; |
301 | #endif | |
302 | #ifdef VIDEO_MODE_RGB | |
303 | return ((r >> 3) << 11) | ((g > 2) << 6) | (b >> 3); | |
304 | #endif | |
305 | } | |
306 | ||
307 | static void video_setpalette (int color, int r, int g, int b) | |
308 | { | |
309 | color &= 0xf; | |
310 | ||
311 | video_palette[color] = video_maprgb (r, g, b); | |
312 | ||
313 | /* Swap values if our panning offset is odd */ | |
314 | if (video_panning_value_x & 1) | |
315 | video_palette[color] = SWAPINT (video_palette[color]); | |
316 | } | |
317 | ||
318 | static void video_fill (int color) | |
319 | { | |
320 | memsetl (video_fb_address, VIDEO_PIX_BLOCKS, color); | |
321 | } | |
322 | ||
323 | static void video_setfgcolor (int i) | |
324 | { | |
325 | video_color_fg = i & 0xf; | |
326 | } | |
327 | ||
328 | static void video_setbgcolor (int i) | |
329 | { | |
330 | video_color_bg = i & 0xf; | |
331 | } | |
332 | ||
333 | static int video_pickcolor (int i) | |
334 | { | |
335 | return video_palette[i & 0xf]; | |
336 | } | |
337 | ||
338 | /* Absolute console plotting functions */ | |
339 | ||
340 | #ifdef VIDEO_BLINK | |
341 | static void video_revchar (int xx, int yy) | |
342 | { | |
343 | int rows; | |
344 | u8 *dest; | |
345 | ||
346 | dest = video_fb_address + yy * VIDEO_LINE_LEN + xx * 2; | |
347 | ||
348 | for (rows = VIDEO_FONT_HEIGHT; rows--; dest += VIDEO_LINE_LEN) { | |
349 | switch (VIDEO_FONT_WIDTH) { | |
350 | case 16: | |
351 | ((u32 *) dest)[6] ^= 0xffffffff; | |
352 | ((u32 *) dest)[7] ^= 0xffffffff; | |
353 | /* FALL THROUGH */ | |
354 | case 12: | |
355 | ((u32 *) dest)[4] ^= 0xffffffff; | |
356 | ((u32 *) dest)[5] ^= 0xffffffff; | |
357 | /* FALL THROUGH */ | |
358 | case 8: | |
359 | ((u32 *) dest)[2] ^= 0xffffffff; | |
360 | ((u32 *) dest)[3] ^= 0xffffffff; | |
361 | /* FALL THROUGH */ | |
362 | case 4: | |
363 | ((u32 *) dest)[0] ^= 0xffffffff; | |
364 | ((u32 *) dest)[1] ^= 0xffffffff; | |
365 | } | |
366 | } | |
367 | } | |
368 | #endif | |
369 | ||
370 | static void video_drawchars (int xx, int yy, unsigned char *s, int count) | |
371 | { | |
372 | u8 *cdat, *dest, *dest0; | |
373 | int rows, offset, c; | |
374 | u32 eorx, fgx, bgx; | |
375 | ||
376 | offset = yy * VIDEO_LINE_LEN + xx * 2; | |
377 | dest0 = video_fb_address + offset; | |
378 | ||
379 | fgx = video_pickcolor (video_color_fg); | |
380 | bgx = video_pickcolor (video_color_bg); | |
381 | ||
382 | if (xx & 1) { | |
383 | fgx = SWAPINT (fgx); | |
384 | bgx = SWAPINT (bgx); | |
385 | } | |
386 | ||
387 | eorx = fgx ^ bgx; | |
388 | ||
389 | switch (VIDEO_FONT_WIDTH) { | |
390 | case 4: | |
391 | case 8: | |
392 | while (count--) { | |
393 | c = *s; | |
394 | cdat = video_fontdata + c * VIDEO_FONT_HEIGHT; | |
395 | for (rows = VIDEO_FONT_HEIGHT, dest = dest0; | |
396 | rows--; | |
397 | dest += VIDEO_LINE_LEN) { | |
398 | u8 bits = *cdat++; | |
399 | ||
400 | ((u32 *) dest)[0] = | |
401 | (video_font_draw_table[bits >> 6] & eorx) ^ bgx; | |
402 | ((u32 *) dest)[1] = | |
403 | (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx; | |
404 | if (VIDEO_FONT_WIDTH == 8) { | |
405 | ((u32 *) dest)[2] = | |
406 | (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx; | |
407 | ((u32 *) dest)[3] = | |
408 | (video_font_draw_table[bits & 3] & eorx) ^ bgx; | |
409 | } | |
410 | } | |
411 | dest0 += VIDEO_FONT_WIDTH * 2; | |
412 | s++; | |
413 | } | |
414 | break; | |
415 | case 12: | |
416 | case 16: | |
417 | while (count--) { | |
418 | cdat = video_fontdata + (*s) * (VIDEO_FONT_HEIGHT << 1); | |
419 | for (rows = VIDEO_FONT_HEIGHT, dest = dest0; rows--; | |
420 | dest += VIDEO_LINE_LEN) { | |
421 | u8 bits = *cdat++; | |
422 | ||
423 | ((u32 *) dest)[0] = | |
424 | (video_font_draw_table[bits >> 6] & eorx) ^ bgx; | |
425 | ((u32 *) dest)[1] = | |
426 | (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx; | |
427 | ((u32 *) dest)[2] = | |
428 | (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx; | |
429 | ((u32 *) dest)[3] = | |
430 | (video_font_draw_table[bits & 3] & eorx) ^ bgx; | |
431 | bits = *cdat++; | |
432 | ((u32 *) dest)[4] = | |
433 | (video_font_draw_table[bits >> 6] & eorx) ^ bgx; | |
434 | ((u32 *) dest)[5] = | |
435 | (video_font_draw_table[bits >> 4 & 3] & eorx) ^ bgx; | |
436 | if (VIDEO_FONT_WIDTH == 16) { | |
437 | ((u32 *) dest)[6] = | |
438 | (video_font_draw_table[bits >> 2 & 3] & eorx) ^ bgx; | |
439 | ((u32 *) dest)[7] = | |
440 | (video_font_draw_table[bits & 3] & eorx) ^ bgx; | |
441 | } | |
442 | } | |
443 | s++; | |
444 | dest0 += VIDEO_FONT_WIDTH * 2; | |
445 | } | |
446 | break; | |
447 | } | |
448 | } | |
449 | ||
450 | static inline void video_drawstring (int xx, int yy, unsigned char *s) | |
451 | { | |
452 | video_drawchars (xx, yy, s, strlen (s)); | |
453 | } | |
454 | ||
455 | /* Relative to console plotting functions */ | |
456 | ||
457 | static void video_putchars (int xx, int yy, unsigned char *s, int count) | |
458 | { | |
459 | #ifdef CONFIG_VIDEO_LOGO | |
460 | video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, s, count); | |
461 | #else | |
462 | video_drawchars (xx, yy, s, count); | |
463 | #endif | |
464 | } | |
465 | ||
466 | static void video_putchar (int xx, int yy, unsigned char c) | |
467 | { | |
468 | #ifdef CONFIG_VIDEO_LOGO | |
469 | video_drawchars (xx, yy + VIDEO_LOGO_HEIGHT, &c, 1); | |
470 | #else | |
471 | video_drawchars (xx, yy, &c, 1); | |
472 | #endif | |
473 | } | |
474 | ||
475 | static inline void video_putstring (int xx, int yy, unsigned char *s) | |
476 | { | |
477 | video_putchars (xx, yy, s, strlen (s)); | |
478 | } | |
479 | ||
480 | /************************************************************************/ | |
481 | /* ** VIDEO CONTROLLER LOW-LEVEL FUNCTIONS */ | |
482 | /************************************************************************/ | |
483 | ||
8564acf9 | 484 | #if !defined(CONFIG_RRVISION) |
5b1d7137 WD |
485 | static void video_mode_dupefield (VRAM * source, VRAM * dest, int entries) |
486 | { | |
487 | int i; | |
488 | ||
489 | for (i = 0; i < entries; i++) { | |
490 | dest[i] = source[i]; /* Copy the entire record */ | |
491 | dest[i].fx = (!dest[i].fx) * 3; /* Negate field bit */ | |
492 | } | |
493 | ||
494 | dest[0].lcyc++; /* Add a cycle to the first entry */ | |
495 | dest[entries - 1].lst = 1; /* Set end of ram entries */ | |
496 | } | |
8564acf9 | 497 | #endif |
5b1d7137 WD |
498 | |
499 | static void inline video_mode_addentry (VRAM * vr, | |
500 | int Hx, int Vx, int Fx, int Bx, | |
501 | int VDS, int INT, int LCYC, int LP, int LST) | |
502 | { | |
503 | vr->hx = Hx; | |
504 | vr->vx = Vx; | |
505 | vr->fx = Fx; | |
506 | vr->bx = Bx; | |
507 | vr->vds = VDS; | |
508 | vr->inter = INT; | |
509 | vr->lcyc = LCYC; | |
510 | vr->lp = LP; | |
511 | vr->lst = LST; | |
512 | } | |
513 | ||
8564acf9 | 514 | #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 |
515 | |
516 | static int video_mode_generate (void) | |
517 | { | |
518 | immap_t *immap = (immap_t *) CFG_IMMR; | |
519 | VRAM *vr = (VRAM *) (((void *) immap) + 0xb00); /* Pointer to the VRAM table */ | |
520 | int DX, X1, X2, DY, Y1, Y2, entry = 0, fifo; | |
521 | ||
522 | /* CHECKING PARAMETERS */ | |
523 | ||
524 | if (video_panning_factor_y < -128) | |
525 | video_panning_factor_y = -128; | |
526 | ||
527 | if (video_panning_factor_y > 128) | |
528 | video_panning_factor_y = 128; | |
529 | ||
530 | if (video_panning_factor_x < -128) | |
531 | video_panning_factor_x = -128; | |
532 | ||
533 | if (video_panning_factor_x > 128) | |
534 | video_panning_factor_x = 128; | |
535 | ||
536 | /* Setting panning */ | |
537 | ||
538 | DX = video_panning_range_x = (VIDEO_ACTIVE_COLS - VIDEO_COLS) * 2; | |
539 | DY = video_panning_range_y = (VIDEO_ACTIVE_ROWS - VIDEO_ROWS) / 2; | |
540 | ||
541 | video_panning_value_x = (video_panning_factor_x + 128) * DX / 256; | |
542 | video_panning_value_y = (video_panning_factor_y + 128) * DY / 256; | |
543 | ||
544 | /* We assume these are burst units (multiplied by 2, we need it pari) */ | |
545 | X1 = video_panning_value_x & 0xfffe; | |
546 | X2 = DX - X1; | |
547 | ||
548 | /* We assume these are field line units (divided by 2, we need it pari) */ | |
549 | Y1 = video_panning_value_y & 0xfffe; | |
550 | Y2 = DY - Y1; | |
551 | ||
8564acf9 WD |
552 | debug("X1=%d, X2=%d, Y1=%d, Y2=%d, DX=%d, DY=%d VIDEO_COLS=%d \n", |
553 | X1, X2, Y1, Y2, DX, DY, VIDEO_COLS); | |
554 | ||
5b1d7137 WD |
555 | #ifdef VIDEO_MODE_NTSC |
556 | /* | |
8564acf9 | 557 | * Hx Vx Fx Bx VDS INT LCYC LP LST |
5b1d7137 WD |
558 | * |
559 | * Retrace blanking | |
560 | */ | |
561 | ADDENTRY (0, 0, 3, 0, 1, 0, 3, 1, 0); | |
562 | ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0); | |
563 | ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0); | |
564 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
565 | /* | |
566 | * Vertical blanking | |
567 | */ | |
568 | ADDENTRY (0, 0, 0, 0, 1, 0, 18, 1, 0); | |
569 | ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0); | |
570 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
571 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
572 | /* | |
573 | * Odd field active area (TOP) | |
574 | */ | |
575 | if (Y1 > 0) { | |
576 | ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0); | |
577 | ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0); | |
578 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
579 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
580 | } | |
581 | /* | |
582 | * Odd field active area | |
583 | */ | |
584 | ADDENTRY (0, 0, 0, 0, 1, 0, 240 - DY, 1, 0); | |
585 | ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0); | |
586 | ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0); | |
587 | ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0); | |
588 | ||
589 | if (X2 > 0) | |
590 | ADDENTRY (3, 0, 0, 3, 1, 0, X2, 0, 0); | |
591 | ||
592 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
593 | ||
594 | /* | |
595 | * Odd field active area (BOTTOM) | |
596 | */ | |
597 | if (Y1 > 0) { | |
598 | ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0); | |
599 | ADDENTRY (3, 0, 0, 0, 1, 0, 235, 0, 0); | |
600 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
601 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
602 | } | |
603 | /* | |
604 | * Vertical blanking | |
605 | */ | |
606 | ADDENTRY (0, 0, 0, 0, 1, 0, 4, 1, 0); | |
607 | ADDENTRY (3, 0, 0, 0, 1, 0, 243, 0, 0); | |
608 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
609 | ADDENTRY (3, 0, 0, 0, 1, 0, 32, 1, 0); | |
610 | /* | |
611 | * Vertical blanking | |
612 | */ | |
613 | ADDENTRY (0, 0, 3, 0, 1, 0, 19, 1, 0); | |
614 | ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0); | |
615 | ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0); | |
616 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
617 | /* | |
618 | * Even field active area (TOP) | |
619 | */ | |
620 | if (Y1 > 0) { | |
621 | ADDENTRY (0, 0, 3, 0, 1, 0, Y1, 1, 0); | |
622 | ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0); | |
623 | ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0); | |
624 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
625 | } | |
626 | /* | |
627 | * Even field active area (CENTER) | |
628 | */ | |
629 | ADDENTRY (0, 0, 3, 0, 1, 0, 240 - DY, 1, 0); | |
630 | ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0); | |
631 | ADDENTRY (3, 0, 3, 3, 1, 0, 8 + X1, 0, 0); | |
632 | ADDENTRY (3, 0, 3, 3, 0, 0, VIDEO_COLS * 2, 0, 0); | |
633 | ||
634 | if (X2 > 0) | |
635 | ADDENTRY (3, 0, 3, 3, 1, 0, X2, 0, 0); | |
636 | ||
637 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
638 | /* | |
639 | * Even field active area (BOTTOM) | |
640 | */ | |
641 | if (Y1 > 0) { | |
642 | ADDENTRY (0, 0, 3, 0, 1, 0, Y2, 1, 0); | |
643 | ADDENTRY (3, 0, 3, 0, 1, 0, 235, 0, 0); | |
644 | ADDENTRY (3, 0, 3, 3, 1, 0, 1448, 0, 0); | |
645 | ADDENTRY (3, 0, 3, 0, 1, 0, 32, 1, 0); | |
646 | } | |
647 | /* | |
648 | * Vertical blanking | |
649 | */ | |
650 | ADDENTRY (0, 0, 3, 0, 1, 0, 1, 1, 0); | |
651 | ADDENTRY (3, 0, 3, 0, 1, 0, 243, 0, 0); | |
652 | ADDENTRY (3, 0, 3, 0, 1, 0, 1440, 0, 0); | |
653 | ADDENTRY (3, 0, 3, 0, 1, 1, 32, 1, 1); | |
654 | #endif | |
655 | ||
656 | #ifdef VIDEO_MODE_PAL | |
8564acf9 WD |
657 | |
658 | #if defined(CONFIG_RRVISION) | |
659 | ||
660 | #define HPW 160 /* horizontal pulse width (was 139) */ | |
661 | #define VPW 2 /* vertical pulse width */ | |
662 | #define HBP 104 /* horizontal back porch (was 112) */ | |
663 | #define VBP 19 /* vertical back porch (was 19) */ | |
664 | #define VID_R 240 /* number of rows */ | |
665 | ||
666 | debug ("[VIDEO CTRL] Starting to add controller entries..."); | |
667 | /* | |
668 | * Even field | |
669 | */ | |
670 | ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); | |
671 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); | |
672 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); | |
673 | ||
674 | ADDENTRY (0, 0, 0, 3, 1, 0, VPW, 1, 0); | |
675 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0); | |
676 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
677 | ||
678 | ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0); | |
679 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
680 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
681 | /* | |
682 | * Active area | |
683 | */ | |
684 | ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); | |
685 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
686 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); | |
687 | ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); | |
688 | ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); | |
689 | ||
690 | ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); | |
691 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
692 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); | |
693 | /* | |
694 | * Odd field | |
695 | */ | |
696 | ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); | |
697 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); | |
698 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); | |
699 | ||
700 | ADDENTRY (0, 0, 0, 3, 1, 0, VPW+1, 1, 0); | |
701 | ADDENTRY (0, 0, 0, 3, 1, 0, HPW-1, 0, 0); | |
702 | ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
703 | ||
704 | ADDENTRY (0, 3, 0, 3, 1, 0, VBP, 1, 0); | |
705 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
706 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 1, 0); | |
707 | /* | |
708 | * Active area | |
709 | */ | |
710 | ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); | |
711 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
712 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); | |
713 | ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); | |
714 | ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); | |
715 | ||
716 | ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); | |
717 | ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); | |
718 | ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); | |
719 | ||
720 | debug ("done\n"); | |
721 | ||
722 | #else /* !CONFIG_RRVISION */ | |
723 | ||
5b1d7137 WD |
724 | /* |
725 | * Hx Vx Fx Bx VDS INT LCYC LP LST | |
726 | * | |
727 | * vertical; blanking | |
728 | */ | |
729 | ADDENTRY (0, 0, 0, 0, 1, 0, 22, 1, 0); | |
730 | ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0); | |
731 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
732 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
733 | /* | |
734 | * active area (TOP) | |
735 | */ | |
736 | if (Y1 > 0) { | |
737 | ADDENTRY (0, 0, 0, 0, 1, 0, Y1, 1, 0); /* 11? */ | |
738 | ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0); | |
739 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
740 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
741 | } | |
742 | /* | |
743 | * field active area (CENTER) | |
744 | */ | |
745 | ADDENTRY (0, 0, 0, 0, 1, 0, 288 - DY, 1, 0); /* 265? */ | |
746 | ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0); | |
747 | ADDENTRY (3, 0, 0, 3, 1, 0, 8 + X1, 0, 0); | |
748 | ADDENTRY (3, 0, 0, 3, 0, 0, VIDEO_COLS * 2, 0, 0); | |
749 | ||
750 | if (X2 > 0) | |
751 | ADDENTRY (3, 0, 0, 1, 1, 0, X2, 0, 0); | |
752 | ||
753 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
754 | /* | |
755 | * field active area (BOTTOM) | |
756 | */ | |
757 | if (Y2 > 0) { | |
758 | ADDENTRY (0, 0, 0, 0, 1, 0, Y2, 1, 0); /* 12? */ | |
759 | ADDENTRY (3, 0, 0, 0, 1, 0, 255, 0, 0); | |
760 | ADDENTRY (3, 0, 0, 3, 1, 0, 1448, 0, 0); | |
761 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
762 | } | |
763 | /* | |
764 | * field vertical; blanking | |
765 | */ | |
766 | ADDENTRY (0, 0, 0, 0, 1, 0, 2, 1, 0); | |
767 | ADDENTRY (3, 0, 0, 0, 1, 0, 263, 0, 0); | |
768 | ADDENTRY (3, 0, 0, 0, 1, 0, 1440, 0, 0); | |
769 | ADDENTRY (3, 0, 0, 0, 1, 0, 24, 1, 0); | |
770 | /* | |
771 | * Create the other field (like this, but whit other field selected, | |
772 | * one more cycle loop and a last identifier) | |
773 | */ | |
774 | video_mode_dupefield (vr, &vr[entry], entry); | |
8564acf9 WD |
775 | #endif /* CONFIG_RRVISION */ |
776 | ||
777 | #endif /* VIDEO_MODE_PAL */ | |
5b1d7137 WD |
778 | |
779 | /* See what FIFO are we using */ | |
780 | fifo = GETBIT (immap->im_vid.vid_vsr, VIDEO_VSR_CAS); | |
781 | ||
782 | /* Set number of lines and burst (only one frame for now) */ | |
783 | if (fifo) { | |
784 | immap->im_vid.vid_vfcr0 = VIDEO_BURST_LEN | | |
785 | (VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19); | |
786 | } else { | |
787 | immap->im_vid.vid_vfcr1 = VIDEO_BURST_LEN | | |
788 | (VIDEO_BURST_LEN << 8) | ((VIDEO_ROWS / 2) << 19); | |
789 | } | |
790 | ||
791 | SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_ASEL, !fifo); | |
792 | ||
793 | /* | |
794 | * Wait until changes are applied (not done) | |
795 | * while (GETBIT(immap->im_vid.vid_vsr, VIDEO_VSR_CAS) == fifo) ; | |
796 | */ | |
797 | ||
798 | /* Return number of VRAM entries */ | |
799 | return entry * 2; | |
800 | } | |
801 | ||
802 | static void video_encoder_init (void) | |
803 | { | |
804 | #ifdef VIDEO_I2C | |
805 | int rc; | |
806 | ||
807 | /* Initialize the I2C */ | |
808 | debug ("[VIDEO ENCODER] Initializing I2C bus...\n"); | |
809 | i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); | |
810 | ||
811 | #ifdef CONFIG_FADS | |
812 | /* Reset ADV7176 chip */ | |
813 | debug ("[VIDEO ENCODER] Resetting encoder...\n"); | |
814 | (*(int *) BCSR4) &= ~(1 << 21); | |
815 | ||
816 | /* Wait for 5 ms inside the reset */ | |
817 | debug ("[VIDEO ENCODER] Waiting for encoder reset...\n"); | |
818 | udelay (5000); | |
819 | ||
820 | /* Take ADV7176 out of reset */ | |
821 | (*(int *) BCSR4) |= 1 << 21; | |
822 | ||
823 | /* Wait for 5 ms after the reset */ | |
824 | udelay (5000); | |
825 | #endif /* CONFIG_FADS */ | |
826 | ||
827 | /* Send configuration */ | |
828 | #ifdef DEBUG | |
829 | { | |
830 | int i; | |
831 | ||
832 | puts ("[VIDEO ENCODER] Configuring the encoder...\n"); | |
833 | ||
834 | printf ("Sending %d bytes (@ %08lX) to I2C 0x%X:\n ", | |
835 | sizeof(video_encoder_data), | |
836 | (ulong)video_encoder_data, | |
837 | VIDEO_I2C_ADDR); | |
838 | for (i=0; i<sizeof(video_encoder_data); ++i) { | |
839 | printf(" %02X", video_encoder_data[i]); | |
840 | } | |
841 | putc ('\n'); | |
842 | } | |
843 | #endif /* DEBUG */ | |
844 | ||
845 | if ((rc = i2c_write (VIDEO_I2C_ADDR, 0, 1, | |
846 | video_encoder_data, | |
847 | sizeof(video_encoder_data))) != 0) { | |
848 | printf ("i2c_send error: rc=%d\n", rc); | |
849 | return; | |
850 | } | |
851 | #endif /* VIDEO_I2C */ | |
852 | return; | |
853 | } | |
854 | ||
855 | static void video_ctrl_init (void *memptr) | |
856 | { | |
857 | immap_t *immap = (immap_t *) CFG_IMMR; | |
858 | ||
859 | video_fb_address = memptr; | |
860 | ||
861 | /* Set background */ | |
862 | debug ("[VIDEO CTRL] Setting background color...\n"); | |
863 | immap->im_vid.vid_vbcb = VIDEO_BG_COL; | |
864 | ||
865 | /* Show the background */ | |
866 | debug ("[VIDEO CTRL] Forcing background...\n"); | |
867 | SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 1); | |
868 | ||
869 | /* Turn off video controller */ | |
870 | debug ("[VIDEO CTRL] Turning off video controller...\n"); | |
871 | SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 0); | |
872 | ||
873 | #ifdef CONFIG_FADS | |
874 | /* Turn on Video Port LED */ | |
875 | debug ("[VIDEO CTRL] Turning off video port led...\n"); | |
876 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 1); | |
877 | ||
878 | /* Disable internal clock */ | |
879 | debug ("[VIDEO CTRL] Disabling internal clock...\n"); | |
880 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 0); | |
881 | #endif | |
882 | ||
883 | /* Generate and make active a new video mode */ | |
884 | debug ("[VIDEO CTRL] Generating video mode...\n"); | |
885 | video_mode_generate (); | |
886 | ||
887 | /* Start of frame buffer (even and odd frame, to make it working with */ | |
888 | /* any selected active set) */ | |
889 | debug ("[VIDEO CTRL] Setting frame buffer address...\n"); | |
890 | immap->im_vid.vid_vfaa1 = | |
891 | immap->im_vid.vid_vfaa0 = (u32) video_fb_address; | |
892 | immap->im_vid.vid_vfba1 = | |
893 | immap->im_vid.vid_vfba0 = | |
894 | (u32) video_fb_address + VIDEO_LINE_LEN; | |
895 | ||
896 | /* YUV, Big endian, SHIFT/CLK/CLK input (BEFORE ENABLING 27MHZ EXT CLOCK) */ | |
897 | debug ("[VIDEO CTRL] Setting pixel mode and clocks...\n"); | |
898 | immap->im_vid.vid_vccr = 0x2042; | |
899 | ||
900 | /* Configure port pins */ | |
901 | debug ("[VIDEO CTRL] Configuring input/output pins...\n"); | |
902 | immap->im_ioport.iop_pdpar = 0x1fff; | |
903 | immap->im_ioport.iop_pddir = 0x0000; | |
904 | ||
905 | #ifdef CONFIG_FADS | |
906 | /* Turn on Video Port Clock - ONLY AFTER SET VCCR TO ENABLE EXTERNAL CLOCK */ | |
907 | debug ("[VIDEO CTRL] Turning on video clock...\n"); | |
908 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_EXTCLK_BIT, 1); | |
909 | ||
910 | /* Turn on Video Port LED */ | |
911 | debug ("[VIDEO CTRL] Turning on video port led...\n"); | |
912 | SETBIT (*(int *) BCSR4, VIDEO_BCSR4_VIDLED_BIT, 0); | |
913 | #endif | |
5b1d7137 | 914 | #ifdef CONFIG_RRVISION |
8564acf9 WD |
915 | debug ("PC5->Output(1): enable PAL clock"); |
916 | immap->im_ioport.iop_pcpar &= ~(0x0400); | |
917 | immap->im_ioport.iop_pcdir |= 0x0400 ; | |
918 | immap->im_ioport.iop_pcdat |= 0x0400 ; | |
919 | debug ("PDPAR=0x%04X PDDIR=0x%04X PDDAT=0x%04X\n", | |
920 | immap->im_ioport.iop_pdpar, | |
921 | immap->im_ioport.iop_pddir, | |
922 | immap->im_ioport.iop_pddat); | |
923 | debug ("PCPAR=0x%04X PCDIR=0x%04X PCDAT=0x%04X\n", | |
924 | immap->im_ioport.iop_pcpar, | |
925 | immap->im_ioport.iop_pcdir, | |
926 | immap->im_ioport.iop_pcdat); | |
5b1d7137 WD |
927 | #endif /* CONFIG_RRVISION */ |
928 | ||
929 | /* Blanking the screen. */ | |
930 | debug ("[VIDEO CTRL] Blanking the screen...\n"); | |
931 | video_fill (VIDEO_BG_COL); | |
932 | ||
8bde7f77 WD |
933 | /* |
934 | * Turns on Aggressive Mode. Normally, turning on the caches | |
935 | * will cause the screen to flicker when the caches try to | |
936 | * fill. This gives the FIFO's for the Video Controller | |
937 | * higher priority and prevents flickering because of | |
938 | * underrun. This may still be an issue when using FLASH, | |
939 | * since accessing data from Flash is so slow. | |
5b1d7137 WD |
940 | */ |
941 | debug ("[VIDEO CTRL] Turning on aggressive mode...\n"); | |
942 | immap->im_siu_conf.sc_sdcr = 0x40; | |
943 | ||
944 | /* Turn on video controller */ | |
945 | debug ("[VIDEO CTRL] Turning on video controller...\n"); | |
946 | SETBIT (immap->im_vid.vid_vccr, VIDEO_VCCR_VON, 1); | |
947 | ||
948 | /* Show the display */ | |
949 | debug ("[VIDEO CTRL] Enabling the video...\n"); | |
950 | SETBIT (immap->im_vid.vid_vcmr, VIDEO_VCMR_BD, 0); | |
951 | } | |
952 | ||
953 | /************************************************************************/ | |
954 | /* ** CONSOLE FUNCTIONS */ | |
955 | /************************************************************************/ | |
956 | ||
957 | static void console_scrollup (void) | |
958 | { | |
959 | /* Copy up rows ignoring the first one */ | |
960 | memcpyl (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE >> 2); | |
961 | ||
962 | /* Clear the last one */ | |
963 | memsetl (CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, VIDEO_BG_COL); | |
964 | } | |
965 | ||
966 | static inline void console_back (void) | |
967 | { | |
968 | console_col--; | |
969 | ||
970 | if (console_col < 0) { | |
971 | console_col = CONSOLE_COLS - 1; | |
972 | console_row--; | |
973 | if (console_row < 0) | |
974 | console_row = 0; | |
975 | } | |
976 | ||
977 | video_putchar ( console_col * VIDEO_FONT_WIDTH, | |
978 | console_row * VIDEO_FONT_HEIGHT, ' '); | |
979 | } | |
980 | ||
981 | static inline void console_newline (void) | |
982 | { | |
983 | console_row++; | |
984 | console_col = 0; | |
985 | ||
986 | /* Check if we need to scroll the terminal */ | |
987 | if (console_row >= CONSOLE_ROWS) { | |
988 | /* Scroll everything up */ | |
989 | console_scrollup (); | |
990 | ||
991 | /* Decrement row number */ | |
992 | console_row--; | |
993 | } | |
994 | } | |
995 | ||
996 | void video_putc (const char c) | |
997 | { | |
998 | if (!video_enable) { | |
999 | serial_putc (c); | |
1000 | return; | |
1001 | } | |
1002 | ||
1003 | switch (c) { | |
1004 | case 13: /* Simply ignore this */ | |
1005 | break; | |
1006 | ||
1007 | case '\n': /* Next line, please */ | |
1008 | console_newline (); | |
1009 | break; | |
1010 | ||
1011 | case 9: /* Tab (8 chars alignment) */ | |
1012 | console_col |= 0x0008; /* Next 8 chars boundary */ | |
1013 | console_col &= ~0x0007; /* Set this bit to zero */ | |
1014 | ||
1015 | if (console_col >= CONSOLE_COLS) | |
1016 | console_newline (); | |
1017 | break; | |
1018 | ||
1019 | case 8: /* Eat last character */ | |
1020 | console_back (); | |
1021 | break; | |
1022 | ||
1023 | default: /* Add to the console */ | |
1024 | video_putchar ( console_col * VIDEO_FONT_WIDTH, | |
1025 | console_row * VIDEO_FONT_HEIGHT, c); | |
1026 | console_col++; | |
1027 | /* Check if we need to go to next row */ | |
1028 | if (console_col >= CONSOLE_COLS) | |
1029 | console_newline (); | |
1030 | } | |
1031 | } | |
1032 | ||
1033 | void video_puts (const char *s) | |
1034 | { | |
1035 | int count = strlen (s); | |
1036 | ||
1037 | if (!video_enable) | |
1038 | while (count--) | |
1039 | serial_putc (*s++); | |
1040 | else | |
1041 | while (count--) | |
1042 | video_putc (*s++); | |
1043 | } | |
1044 | ||
1045 | /************************************************************************/ | |
1046 | /* ** CURSOR BLINKING FUNCTIONS */ | |
1047 | /************************************************************************/ | |
1048 | ||
1049 | #ifdef VIDEO_BLINK | |
1050 | ||
1051 | #define BLINK_TIMER_ID 0 | |
1052 | #define BLINK_TIMER_HZ 2 | |
1053 | ||
1054 | static unsigned char blink_enabled = 0; | |
1055 | static timer_t blink_timer; | |
1056 | ||
1057 | static void blink_update (void) | |
1058 | { | |
1059 | static int blink_row = -1, blink_col = -1, blink_old = 0; | |
1060 | ||
1061 | /* Check if we have a new position to invert */ | |
1062 | if ((console_row != blink_row) || (console_col != blink_col)) { | |
1063 | /* Check if we need to reverse last character */ | |
1064 | if (blink_old) | |
1065 | video_revchar ( blink_col * VIDEO_FONT_WIDTH, | |
1066 | (blink_row | |
1067 | #ifdef CONFIG_VIDEO_LOGO | |
1068 | + VIDEO_LOGO_HEIGHT | |
1069 | #endif | |
1070 | ) * VIDEO_FONT_HEIGHT); | |
1071 | ||
1072 | /* Update values */ | |
1073 | blink_row = console_row; | |
1074 | blink_col = console_col; | |
1075 | blink_old = 0; | |
1076 | } | |
1077 | ||
1078 | /* Reverse this character */ | |
1079 | blink_old = !blink_old; | |
1080 | video_revchar ( console_col * VIDEO_FONT_WIDTH, | |
1081 | (console_row | |
1082 | #ifdef CONFIG_VIDEO_LOGO | |
1083 | + VIDEO_LOGO_HEIGHT | |
1084 | #endif | |
1085 | ) * VIDEO_FONT_HEIGHT); | |
1086 | ||
1087 | } | |
1088 | ||
1089 | /* | |
1090 | * Handler for blinking cursor | |
1091 | */ | |
1092 | static void blink_handler (void *arg) | |
1093 | { | |
1094 | /* Blink */ | |
1095 | blink_update (); | |
1096 | /* Ack the timer */ | |
1097 | timer_ack (&blink_timer); | |
1098 | } | |
1099 | ||
1100 | int blink_set (int blink) | |
1101 | { | |
1102 | int ret = blink_enabled; | |
1103 | ||
1104 | if (blink) | |
1105 | timer_enable (&blink_timer); | |
1106 | else | |
1107 | timer_disable (&blink_timer); | |
1108 | ||
1109 | blink_enabled = blink; | |
1110 | ||
1111 | return ret; | |
1112 | } | |
1113 | ||
1114 | static inline void blink_close (void) | |
1115 | { | |
1116 | timer_close (&blink_timer); | |
1117 | } | |
1118 | ||
1119 | static inline void blink_init (void) | |
1120 | { | |
1121 | timer_init (&blink_timer, | |
1122 | BLINK_TIMER_ID, BLINK_TIMER_HZ, | |
1123 | blink_handler); | |
1124 | } | |
1125 | #endif | |
1126 | ||
1127 | /************************************************************************/ | |
1128 | /* ** LOGO PLOTTING FUNCTIONS */ | |
1129 | /************************************************************************/ | |
1130 | ||
1131 | #ifdef CONFIG_VIDEO_LOGO | |
1132 | void easylogo_plot (fastimage_t * image, void *screen, int width, int x, | |
1133 | int y) | |
1134 | { | |
1135 | int skip = width - image->width, xcount, ycount = image->height; | |
1136 | ||
1137 | #ifdef VIDEO_MODE_YUYV | |
1138 | ushort *source = (ushort *) image->data; | |
1139 | ushort *dest = (ushort *) screen + y * width + x; | |
1140 | ||
1141 | while (ycount--) { | |
1142 | xcount = image->width; | |
1143 | while (xcount--) | |
1144 | *dest++ = *source++; | |
1145 | dest += skip; | |
1146 | } | |
1147 | #endif | |
1148 | #ifdef VIDEO_MODE_RGB | |
1149 | unsigned char | |
1150 | *source = (unsigned short *) image->data, | |
1151 | *dest = (unsigned short *) screen + ((y * width) + x) * 3; | |
1152 | ||
1153 | while (ycount--) { | |
1154 | xcount = image->width * 3; | |
1155 | memcpy (dest, source, xcount); | |
1156 | source += xcount; | |
1157 | dest += ycount; | |
1158 | } | |
1159 | #endif | |
1160 | } | |
1161 | ||
1162 | static void *video_logo (void) | |
1163 | { | |
1164 | u16 *screen = video_fb_address, width = VIDEO_COLS; | |
1165 | #ifdef VIDEO_INFO | |
1166 | # ifndef CONFIG_FADS | |
1167 | DECLARE_GLOBAL_DATA_PTR; | |
1168 | char temp[32]; | |
1169 | # endif | |
1170 | char info[80]; | |
1171 | #endif /* VIDEO_INFO */ | |
1172 | ||
1173 | easylogo_plot (VIDEO_LOGO_ADDR, screen, width, 0, 0); | |
1174 | ||
1175 | #ifdef VIDEO_INFO | |
1176 | sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__); | |
1177 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y, info); | |
1178 | ||
1179 | sprintf (info, "(C) 2002 DENX Software Engineering"); | |
1180 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT, | |
1181 | info); | |
1182 | ||
1183 | sprintf (info, " Wolfgang DENK, wd@denx.de"); | |
1184 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2, | |
1185 | info); | |
1186 | #ifndef CONFIG_FADS /* all normal boards */ | |
1187 | /* leave one blank line */ | |
1188 | ||
1189 | sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash", | |
1190 | strmhz(temp, gd->cpu_clk), | |
1191 | gd->ram_size >> 20, | |
1192 | gd->bd->bi_flashsize >> 20 ); | |
1193 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 4, | |
1194 | info); | |
1195 | #else /* FADS :-( */ | |
1196 | sprintf (info, "MPC823 CPU at 50 MHz on FADS823 board"); | |
1197 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT, | |
1198 | info); | |
1199 | ||
1200 | sprintf (info, "2MB FLASH - 8MB DRAM - 4MB SRAM"); | |
1201 | video_drawstring (VIDEO_INFO_X, VIDEO_INFO_Y + VIDEO_FONT_HEIGHT * 2, | |
1202 | info); | |
1203 | #endif | |
1204 | #endif | |
1205 | ||
1206 | return video_fb_address + VIDEO_LOGO_HEIGHT * VIDEO_LINE_LEN; | |
1207 | } | |
1208 | #endif | |
1209 | ||
1210 | /************************************************************************/ | |
1211 | /* ** VIDEO HIGH-LEVEL FUNCTIONS */ | |
1212 | /************************************************************************/ | |
1213 | ||
1214 | static int video_init (void *videobase) | |
1215 | { | |
1216 | /* Initialize the encoder */ | |
1217 | debug ("[VIDEO] Initializing video encoder...\n"); | |
1218 | video_encoder_init (); | |
1219 | ||
1220 | /* Initialize the video controller */ | |
1221 | debug ("[VIDEO] Initializing video controller at %08x...\n", | |
1222 | (int) videobase); | |
1223 | video_ctrl_init (videobase); | |
1224 | ||
1225 | /* Setting the palette */ | |
1226 | video_setpalette (CONSOLE_COLOR_BLACK, 0, 0, 0); | |
1227 | video_setpalette (CONSOLE_COLOR_RED, 0xFF, 0, 0); | |
1228 | video_setpalette (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); | |
1229 | video_setpalette (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); | |
1230 | video_setpalette (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); | |
1231 | video_setpalette (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); | |
1232 | video_setpalette (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); | |
1233 | video_setpalette (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); | |
1234 | video_setpalette (CONSOLE_COLOR_GREY2, 0xF8, 0xF8, 0xF8); | |
1235 | video_setpalette (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); | |
1236 | ||
1237 | #ifndef CFG_WHITE_ON_BLACK | |
1238 | video_setfgcolor (CONSOLE_COLOR_BLACK); | |
1239 | video_setbgcolor (CONSOLE_COLOR_GREY2); | |
1240 | #else | |
1241 | video_setfgcolor (CONSOLE_COLOR_GREY2); | |
1242 | video_setbgcolor (CONSOLE_COLOR_BLACK); | |
1243 | #endif /* CFG_WHITE_ON_BLACK */ | |
1244 | ||
1245 | #ifdef CONFIG_VIDEO_LOGO | |
1246 | /* Paint the logo and retrieve tv base address */ | |
1247 | debug ("[VIDEO] Drawing the logo...\n"); | |
1248 | video_console_address = video_logo (); | |
1249 | #else | |
1250 | video_console_address = video_fb_address; | |
1251 | #endif | |
1252 | ||
1253 | #ifdef VIDEO_BLINK | |
1254 | /* Enable the blinking (under construction) */ | |
1255 | blink_init (); | |
1256 | blink_set (0); /* To Fix! */ | |
1257 | #endif | |
1258 | ||
1259 | /* Initialize the console */ | |
1260 | console_col = 0; | |
1261 | console_row = 0; | |
1262 | video_enable = 1; | |
1263 | ||
1264 | #ifdef VIDEO_MODE_PAL | |
1265 | # define VIDEO_MODE_TMP1 "PAL" | |
1266 | #endif | |
1267 | #ifdef VIDEO_MODE_NTSC | |
1268 | # define VIDEO_MODE_TMP1 "NTSC" | |
1269 | #endif | |
1270 | #ifdef VIDEO_MODE_YUYV | |
1271 | # define VIDEO_MODE_TMP2 "YCbYCr" | |
1272 | #endif | |
1273 | #ifdef VIDEO_MODE_RGB | |
1274 | # define VIDEO_MODE_TMP2 "RGB" | |
1275 | #endif | |
1276 | debug ( VIDEO_MODE_TMP1 | |
1277 | " %dx%dx%d (" VIDEO_MODE_TMP2 ") on %s - console %dx%d\n", | |
1278 | VIDEO_COLS, VIDEO_ROWS, VIDEO_MODE_BPP, | |
1279 | VIDEO_ENCODER_NAME, CONSOLE_COLS, CONSOLE_ROWS); | |
1280 | return 0; | |
1281 | } | |
1282 | ||
1283 | int drv_video_init (void) | |
1284 | { | |
1285 | DECLARE_GLOBAL_DATA_PTR; | |
1286 | ||
1287 | int error, devices = 1; | |
1288 | ||
1289 | device_t videodev; | |
1290 | ||
1291 | video_init ((void *)(gd->fb_base)); /* Video initialization */ | |
1292 | ||
1293 | /* Device initialization */ | |
1294 | ||
1295 | memset (&videodev, 0, sizeof (videodev)); | |
1296 | ||
1297 | strcpy (videodev.name, "video"); | |
1298 | videodev.ext = DEV_EXT_VIDEO; /* Video extensions */ | |
1299 | videodev.flags = DEV_FLAGS_OUTPUT; /* Output only */ | |
1300 | videodev.putc = video_putc; /* 'putc' function */ | |
1301 | videodev.puts = video_puts; /* 'puts' function */ | |
1302 | ||
1303 | error = device_register (&videodev); | |
1304 | ||
1305 | return (error == 0) ? devices : error; | |
1306 | } | |
1307 | ||
1308 | /************************************************************************/ | |
1309 | /* ** ROM capable initialization part - needed to reserve FB memory */ | |
1310 | /************************************************************************/ | |
1311 | ||
1312 | /* | |
1313 | * This is called early in the system initialization to grab memory | |
1314 | * for the video controller. | |
1315 | * Returns new address for monitor, after reserving video buffer memory | |
1316 | * | |
1317 | * Note that this is running from ROM, so no write access to global data. | |
1318 | */ | |
1319 | ulong video_setmem (ulong addr) | |
1320 | { | |
1321 | /* Allocate pages for the frame buffer. */ | |
1322 | addr -= VIDEO_SIZE; | |
1323 | ||
1324 | debug ("Reserving %dk for Video Framebuffer at: %08lx\n", | |
1325 | VIDEO_SIZE>>10, addr); | |
1326 | ||
1327 | return (addr); | |
1328 | } | |
1329 | ||
5b1d7137 | 1330 | #endif |