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1.1 cvs 1: /*
2: decoder.c
3:
4: Copyright (C) Christian Wolff for convergence integrated media.
5:
6: This program is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 2 of the License, or
9: (at your option) any later version.
10:
11: This program is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with this program; if not, write to the Free Software
18: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19: */
20:
21: #define __NO_VERSION__
22:
23: #include "decoder.h"
24: #include "l64021.h"
25: #include "video.h"
26: #include "audio.h"
27: #include "streams.h"
28: #include "osd.h"
29: #include "dram.h"
1.5 mocm 30: #include "cvdv.h"
1.1 cvs 31:
32: int DecoderGetNavi(struct cvdv_cards *card, u8 *navidata)
33: {
34: if (card->navihead == card->navitail) return 0;
35: // printk(KERN_DEBUG LOGNAME ": Retreiving NaviPack\n");
36: memcpy(navidata, &card->navibuffer[card->navitail], NAVISIZE);
37: card->navitail += NAVISIZE;
38: if (card->navitail >= NAVIBUFFERSIZE) card->navitail = 0;
39: return NAVISIZE;
40: }
41:
42: // returns 1 on overrun, 0 on no error
43: int DecoderQueueNavi(struct cvdv_cards *card, u8 *navidata)
44: {
45: memcpy(&card->navibuffer[card->navihead], navidata, NAVISIZE);
46: card->navihead += NAVISIZE;
47: if (card->navihead >= NAVIBUFFERSIZE) card->navihead = 0;
48: if (card->navihead == card->navitail) {
49: // printk(KERN_DEBUG LOGNAME ": NaviPack buffer overflow\n");
50: card->navitail += NAVISIZE;
51: if (card->navitail >= NAVIBUFFERSIZE) card->navitail = 0;
52: return 1;
53: }
54: return 0;
55: }
56:
1.6 mocm 57: u32 ParseSCR(const u8 *data)
1.1 cvs 58: {
59: u32 SCR_base=0;
1.6 mocm 60: u8 scrdata[9];
61: copy_from_user (scrdata, data, 9);
62:
1.1 cvs 63: if ((!scrdata[0]) && (!scrdata[1]) && (scrdata[2]==1)
64: && (scrdata[3]==0xBA) && ((scrdata[4]&0xC0)==0x40)) {
65: SCR_base=((scrdata[4]>>3)&0x07);
66: SCR_base=(SCR_base<<2) | (scrdata[4]&0x03);
67: SCR_base=(SCR_base<<8) | scrdata[5];
68: SCR_base=(SCR_base<<5) | ((scrdata[6]>>3)&0x1F);
69: SCR_base=(SCR_base<<2) | (scrdata[6]&0x03);
70: SCR_base=(SCR_base<<8) | scrdata[7];
71: SCR_base=(SCR_base<<5) | ((scrdata[8]>>3)&0x1F);
72: }
73: return SCR_base;
74: }
75:
76: u32 SetSCR(struct cvdv_cards *card, u32 SCR_base)
77: {
78: // printk(KERN_ERR LOGNAME ": SCR in DVD Pack: 0x%08X\n",SCR_base);
79: if (DecoderReadByte(card, 0x007) & 0x10) { // SCR already stopped
80: DecoderWriteByte(card,0x009,SCR_base&0xFF); // Set SCR counter
81: DecoderWriteByte(card,0x00A,(SCR_base>>8)&0xFF);
82: DecoderWriteByte(card,0x00B,(SCR_base>>16)&0xFF);
83: DecoderWriteByte(card,0x00C,(SCR_base>>24)&0xFF);
84: } else {
85: DecoderMaskByte(card,0x007,0xD2,0xD2);
86: // Set 0x10, halt SCR counter
87: DecoderWriteByte(card,0x009,SCR_base&0xFF); // Set SCR counter
88: DecoderWriteByte(card,0x00A,(SCR_base>>8)&0xFF);
89: DecoderWriteByte(card,0x00B,(SCR_base>>16)&0xFF);
90: DecoderWriteByte(card,0x00C,(SCR_base>>24)&0xFF);
91: DecoderMaskByte(card,0x007,0xD2,0xC2);
92: // Del 0x10, SCR counter run
93: }
94: return SCR_base;
95: }
96:
97: void DecoderPause(struct cvdv_cards *card)
98: {
99: DecoderMaskByte(card, 0x007, 0xD2, 0xD2);
100: // Set 0x010, halt SCR counter
1.6 mocm 101: AudioSetPlayMode(card, MAUDIO_PAUSE);
1.1 cvs 102: DecoderStopDecode(card);
1.10 mocm 103: #ifdef DVB
1.7 mocm 104: card->videostate.playState=VIDEO_FREEZED;
1.10 mocm 105: #endif
1.8 mocm 106: card->videoffwd = 0;
107: card->videoslow = 0;
1.1 cvs 108: }
109:
110: void DecoderUnPause(struct cvdv_cards *card)
111: {
112: DecoderStartDecode(card);
1.8 mocm 113: card->videoffwd = 0;
1.6 mocm 114: AudioSetPlayMode(card, MAUDIO_PLAY);
1.1 cvs 115: DecoderMaskByte(card, 0x007, 0xD2, 0xC2);
116: // Del 0x010, SCR counter run
1.10 mocm 117: #ifdef DVB
1.7 mocm 118: card->videostate.playState=VIDEO_PLAYING;;
1.10 mocm 119: #endif
1.8 mocm 120: card->videoslow = 0;
1.1 cvs 121: }
122:
123: void CloseCard(struct cvdv_cards *card)
124: {
1.6 mocm 125: #ifdef NOINT
126: spin_lock(&card->timelock);
1.9 mocm 127: del_timer(&card->timer);
1.6 mocm 128: spin_unlock(&card->timelock);
129: #endif
1.4 mocm 130: MargiFlush(card);
1.1 cvs 131: printk(KERN_DEBUG LOGNAME ": Closing card\n");
1.3 rjkm 132: card->DecoderOpen = 1;
133: DecoderClose(card);
134: DecoderUnPrepare(card);
1.1 cvs 135: DecoderStreamReset(card);
136: DecoderSetupReset(card);
1.8 mocm 137: VideoSetBackground(card, 1, 0, 0, 0);
1.1 cvs 138:
139: AudioClose(card);
140: OSDClose(card);
1.4 mocm 141: L64021Init(card);
1.6 mocm 142:
1.5 mocm 143: OSDOpen(card, 50, 50, 150, 150, 2, 1);
144: OSDTest(card);
1.1 cvs 145: }
146:
147:
148: void DecoderReadAudioInfo(struct cvdv_cards *card)
149: {
150: u8 data;
151: static int bitrates[17] = {0, 32, 40, 48, 56, 64, 80, 96, 112,
152: 128, 160, 192, 224, 256, 320, 384, 0};
153: struct AudioParam *audio = &card->stream.audio;
154: data = DecoderReadByte(card, 0x150);
155: audio->mpeg.present = data & 0x60;
156: // MPEG Layer Code 00 reserverd, we can assume valid MPEG params
157: if (audio->mpeg.present) {
158: audio->mpeg.MPEG2 = data & 0x80;
159: audio->mpeg.layer = 4 - ((data >> 5) & 0x03);
160: if (data & 0x0F) {
161: if ((data & 0x0F) == 1) audio->mpeg.bitrate = 32;
162: else switch (audio->mpeg.layer) {
163: case 1:
164: audio->mpeg.bitrate = 32 * (data & 0x0F);
165: break; // Layer I
166: case 2:
167: audio->mpeg.bitrate = bitrates[(data & 0x0F) +
168: 1];
169: break; // Layer II
170: default:
171: audio->mpeg.bitrate = bitrates[data & 0x0F];
172: // Layer III
173: }
174: } else audio->mpeg.bitrate = 0;
175: data = DecoderReadByte(card, 0x151);
176: switch ((data >> 6) & 0x03) {
177: case 0:
178: audio->mpeg.samplefreq = 44;
179: break;
180: case 1:
181: audio->mpeg.samplefreq = 48;
182: break;
183: case 2:
184: audio->mpeg.samplefreq = 32;
185: break;
186: default:
187: audio->mpeg.samplefreq = 0; // invalid
188: }
189: audio->mpeg.mode = (data >> 3) & 0x03;
190: audio->mpeg.modeext = (data >> 1) & 0x03;
191: audio->mpeg.copyright = data & 0x01;
192: data=DecoderReadByte(card, 0x152);
193: audio->mpeg.original = data & 0x80;
194: audio->mpeg.emphasis = (data >> 5) & 0x03;
195: }
196: data = DecoderReadByte(card, 0x153);
197: audio->ac3.present = (data != 0);
198: // value 0 for bits 0..5 forbidden, we can assume valid ac3 params
199: if (audio->ac3.present) {
200: audio->ac3.acmod = (data >> 5) & 0x07;
201: audio->ac3.dialnorm = data & 0x1F;
202: data = DecoderReadByte(card, 0x154);
203: audio->ac3.bsmod = (data >> 5) & 0x07;
204: audio->ac3.dialnorm2 = data > 0x1F;
205: data = DecoderReadByte(card, 0x155);
206: audio->ac3.surmixlev = (data >> 6) & 0x03;
207: audio->ac3.mixlevel = (data >> 1) & 0x1F;
208: data = DecoderReadByte(card, 0x156);
209: audio->ac3.cmixlev = (data >> 6) & 0x03;
210: audio->ac3.mixlevel2 = (data >> 1) & 0x1F;
211: data = DecoderReadByte(card, 0x157);
212: audio->ac3.fscod = (data >> 6) & 0x03;
213: audio->ac3.lfeon = (data >> 5) & 0x01;
214: audio->ac3.bsid = data & 0x1F;
215: data = DecoderReadByte(card, 0x158);
216: audio->ac3.dsurmod = (data >> 6) & 0x03;
217: audio->ac3.frmsizecod = data & 0x3F;
218: audio->ac3.langcod = DecoderReadByte(card, 0x159);
219: audio->ac3.langcod2 = DecoderReadByte(card, 0x15A);
220: audio->ac3.timecod = DecoderReadByte(card, 0x15B);
221: data = DecoderReadByte(card, 0x15C);
222: audio->ac3.timecod = (audio->ac3.timecod << 6) |
223: ((data >> 2) & 0x3F);
224: audio->ac3.roomtyp = data & 0x03;
225: audio->ac3.timecod2 = DecoderReadByte(card, 0x15D);
226: data = DecoderReadByte(card, 0x15E);
227: audio->ac3.timecod2 = (audio->ac3.timecod2 << 6) |
228: ((data >> 2) & 0x3F);
229: audio->ac3.roomtyp2 = data & 0x03;
230: }
231: audio->pcm.present =! (DecoderReadByte(card, 0x161) & 0x20);
232: // PCM FIFO not empty? Then, we can assume valid LPCM params
233: if (audio->pcm.present) {
234: data = DecoderReadByte(card, 0x15F);
235: audio->pcm.audio_frm_num = (data >> 3) & 0x1F;
236: audio->pcm.num_of_audio_ch = data & 0x07;
237: data = DecoderReadByte(card, 0x160);
238: audio->pcm.Fs = (data >> 6) & 0x03;
239: audio->pcm.quantization = (data >> 4) & 0x03;
240: audio->pcm.emphasis = (data >> 2) & 0x03;
241: audio->pcm.mute_bit = (data >> 1) & 0x01;
242: }
243: switch (card->setup.audioselect) {
244: case audio_disable:
245: audio->valid = 0;
246: break;
247: case audio_none:
248: case audio_DTS:
249: case audio_SDDS:
250: if ((audio->valid = (audio->ac3.present ||
251: audio->pcm.present ||
252: audio->mpeg.present))) {
253: if (audio->mpeg.present) {
254: card->setup.audioselect = audio_MPEG;
255: } else if (audio->pcm.present) {
256: card->setup.audioselect = audio_LPCM;
257: } else if (audio->ac3.present) {
258: card->setup.audioselect = audio_AC3;
259: }
260: } else {
261: audio->valid = 0;
262: card->setup.audioselect = audio_none;
263: }
264: break;
265: case audio_MPEG: // MPEG Audio
266: case audio_MPEG_EXT: // MPEG Audio with extension stream
267: audio->valid = audio->mpeg.present;
268: break;
269: case audio_LPCM: // Linear Pulse Code Modulation LPCM
270: audio->valid = audio->pcm.present;
271: break;
272: case audio_AC3: // AC-3
273: audio->valid = audio->ac3.present;
274: break;
275: }
276: printk(KERN_DEBUG LOGNAME ": -- DecoderReadAudioInfo - type/valid %d/%d:\n", card->setup.audioselect, audio->valid);
277: if (audio->mpeg.present || audio->ac3.present || audio->pcm.present)
278: printk(KERN_DEBUG LOGNAME ": Audio - Decoded parameters:\n");
279: if (audio->mpeg.present) printk(KERN_DEBUG LOGNAME ": MPEG%s Layer %d, %d kHz, %d kbps, %s, %s%s, %s emphasis\n",
280: ((audio->mpeg.MPEG2) ? "2" : "1"),
281: audio->mpeg.layer,
282: audio->mpeg.samplefreq,
283: audio->mpeg.bitrate,
284: ((audio->mpeg.mode == 0) ? "stereo" : ((audio->mpeg.mode == 1) ? "joint stereo" : ((audio->mpeg.mode == 2) ? "dual channel" : "single channel"))),
285: ((audio->mpeg.copyright) ? "copyrighted " : ""),
286: ((audio->mpeg.original) ? "original" : "copy"),
287: ((audio->mpeg.emphasis == 0) ? "no" : ((audio->mpeg.emphasis == 1) ? "50/15 usec." : ((audio->mpeg.emphasis == 2) ? "invalid" : "J.17")))
288: );
289: if (audio->ac3.present) printk(KERN_DEBUG LOGNAME ": AC3 acmod=%d bsmod=%d dialnorm=%d dialnorm2=%d surmixlev=%d mixlevel=%d cmixlev=%d mixlevel2=%d fscod=%d lfeon=%d bsid=%d dsurmod=%d frmsizecod=%d langcod=%d langcod2=%d timecod=%d roomtyp=%d timecod2=%d roomtyp2=%d\n",
290: audio->ac3.acmod,
291: audio->ac3.bsmod,
292: audio->ac3.dialnorm,
293: audio->ac3.dialnorm2,
294: audio->ac3.surmixlev,
295: audio->ac3.mixlevel,
296: audio->ac3.cmixlev,
297: audio->ac3.mixlevel2,
298: audio->ac3.fscod,
299: audio->ac3.lfeon,
300: audio->ac3.bsid,
301: audio->ac3.dsurmod,
302: audio->ac3.frmsizecod,
303: audio->ac3.langcod,
304: audio->ac3.langcod2,
305: audio->ac3.timecod,
306: audio->ac3.roomtyp,
307: audio->ac3.timecod2,
308: audio->ac3.roomtyp2);
309: if (audio->pcm.present) printk(KERN_DEBUG LOGNAME ": LPCM audio_frm_num=%d num_of_audio_ch=%d Fs=%d quantization=%d emphasis=%d mute_bit=%d\n",
310: audio->pcm.audio_frm_num,
311: audio->pcm.num_of_audio_ch,
312: audio->pcm.Fs,
313: audio->pcm.quantization,
314: audio->pcm.emphasis,
315: audio->pcm.mute_bit);
316: }
317:
318: void DecoderReadAuxFifo(struct cvdv_cards *card)
319: {
320: int i = 0;
321: u8 data;
322: int layer;
323:
324: struct StreamInfo *stream = &card->stream;
325: // printk(KERN_DEBUG LOGNAME ": AUX - ");
326: // printk("%03X ", card->AuxFifo[card->AuxFifoTail]);
327: while (card->AuxFifoHead != card->AuxFifoTail) {
328:
329: layer = (card->AuxFifo[card->AuxFifoTail] >> 8) & 0x07;
330: data = card->AuxFifo[card->AuxFifoTail] & 0xFF;
331: card->AuxFifoTail = (card->AuxFifoTail + 1) & FIFO_MASK;
332: if (layer != card->AuxFifoLayer) { // start of a new layer?
333: i = 0;
334: card->AuxFifoLayer = layer;
335: } else i++;
336: switch (layer) { // layer code
337: case 0: // sequence header
338: if (! stream->sh.valid) switch (i) {
339: case 0:
340: stream->sh.hsize = data & 0x0F;
341: break;
342: case 1:
343: stream->sh.hsize = (stream->sh.hsize << 8)
344: | data;
345: stream->hsize = stream->sh.hsize;
346: break;
347: case 2:
348: stream->sh.vsize = data & 0x0F;
349: break;
350: case 3:
351: stream->sh.vsize = (stream->sh.vsize << 8) |
352: data;
353: stream->vsize = stream->sh.vsize;
354: break;
355: case 4:
356: stream->sh.aspectratio = data & 0x0F;
357: break;
358: case 5:
359: stream->sh.frameratecode = data & 0x0F;
360: break;
361: case 6:
362: stream->sh.bitrate = data & 0x03;
363: break;
364: case 7:
365: stream->sh.bitrate = (stream->sh.bitrate << 8)
366: | data;
367: break;
368: case 8:
369: stream->sh.bitrate = (stream->sh.bitrate << 8)
370: | data;
371: stream->bitrate = stream->sh.bitrate;
372: break;
373: case 9:
374: stream->sh.vbvbuffersize = data & 0x03;
375: break;
376: case 10:
377: stream->sh.vbvbuffersize =
378: (stream->sh.vbvbuffersize << 8) |
379: data;
380: stream->vbvbuffersize =
381: stream->sh.vbvbuffersize;
382: break;
383: case 11:
384: stream->sh.constrained = data & 0x01;
385: stream->sh.valid = 1;
386: printk(KERN_DEBUG LOGNAME ": AUX - MPEG1 - %dx%d %s %s fps, %d bps, %d kByte vbv%s\n", stream->sh.hsize, stream->sh.vsize,
387: ((stream->sh.aspectratio == 1) ? "1:1" :
388: ((stream->sh.aspectratio == 2) ? "3:4" :
389: ((stream->sh.aspectratio == 3) ? "9:16" :
390: ((stream->sh.aspectratio == 4) ? "1:2.21" :
391: "?:?")))),
392: ((stream->sh.frameratecode == 1) ? "23.976" :
393: ((stream->sh.frameratecode == 2) ? "24" :
394: ((stream->sh.frameratecode == 3) ? "25" :
395: ((stream->sh.frameratecode == 4) ? "29.97" :
396: ((stream->sh.frameratecode == 5) ? "30" :
397: ((stream->sh.frameratecode == 6) ? "50" :
398: ((stream->sh.frameratecode == 7) ? "59.94" :
399: ((stream->sh.frameratecode == 8) ? "60" :
400: "?")))))))),
401: stream->sh.bitrate * 400,
402: stream->sh.vbvbuffersize * 16,
403: ((stream->sh.constrained) ? ", constrained" : "")
404: );
405: break;
406: }
407: break;
408: case 1: // group of pictures
409: if (! stream->gop.valid)
410: switch (i) {
411: case 0:
412: stream->gop.timecode = data & 0x01;
413: break;
414: case 1:
415: stream->gop.timecode =
416: (stream->gop.timecode << 8) |
417: data;
418: break;
419: case 2:
420: stream->gop.timecode =
421: (stream->gop.timecode << 8) |
422: data;
423: break;
424: case 3:
425: stream->gop.timecode =
426: (stream->gop.timecode << 8) |
427: data;
428: break;
429: case 4:
430: stream->gop.closedgop = data & 0x01;
431: break;
432: case 5:
433: stream->gop.brokenlink = data & 0x01;
434: stream->gop.valid = 1;
435: break;
436: }
437: break;
438: case 2: // picture
439: if (0)
440: switch (i) {
441: case 0:
442: break;
443: }
444: break;
445: case 7: // extension layer
446: if (i == 0) card->AuxFifoExt = data;
447: else
448: switch (card->AuxFifoExt) { // extension code
449: case 1: // sequence extension
450: if ((stream->sh.valid) &&
451: (! stream->se.valid))
452: switch (i) {
453: case 1:
454: stream->se.profilelevel
455: = data;
456: break;
457: case 2:
458: stream->se.progressive
459: = data & 0x01;
460: break;
461: case 3:
462: stream->se.chroma =
463: (data >> 4) &
464: 0x03;
465: stream->se.hsizeext =
466: (data >> 2) &
467: 0x03;
468: stream->se.vsizeext =
469: data & 0x03;
470: stream->hsize |=
471: (stream->se.hsizeext << 12);
472: stream->vsize |=
473: (stream->se.vsizeext << 12);
474: break;
475: case 4:
476: stream->se.bitrateext =
477: data & 0x0F;
478: break;
479: case 5:
480: stream->se.bitrateext =
481: (stream->se.bitrateext << 8) | data;
482: stream->bitrate |=
483: (stream->se.bitrateext << 18);
484: break;
485: case 6:
486: stream->se.vbvbuffersizeext = data;
487: stream->vbvbuffersize |= (stream->se.vbvbuffersizeext << 10);
488: break;
489: case 7:
490: stream->se.lowdelay =
491: (data >> 7) &
492: 0x01;
493: stream->se.frextn =
494: (data >> 5) &
495: 0x03;
496: stream->se.frextd =
497: data & 0x1F;
498: stream->se.valid = 1;
499: stream->MPEG2 = 1;
500: printk(KERN_DEBUG LOGNAME ": AUX - MPEG2 - %dx%d %s %s*%d/%d fps, %d bps, %d kByte vbv%s%s\n", stream->hsize, stream->vsize,
501: ((stream->sh.aspectratio == 1) ? "1:1" :
502: ((stream->sh.aspectratio == 2) ? "3:4" :
503: ((stream->sh.aspectratio == 3) ? "9:16" :
504: ((stream->sh.aspectratio == 4) ? "1:2.21" :
505: "?:?")))),
506: ((stream->sh.frameratecode == 1) ? "23.976" :
507: ((stream->sh.frameratecode == 2) ? "24" :
508: ((stream->sh.frameratecode == 3) ? "25" :
509: ((stream->sh.frameratecode == 4) ? "29.97" :
510: ((stream->sh.frameratecode == 5) ? "30" :
511: ((stream->sh.frameratecode == 6) ? "50" :
512: ((stream->sh.frameratecode == 7) ? "59.94" :
513: ((stream->sh.frameratecode == 8) ? "60" :
514: "?")))))))),
515: stream->se.frextn + 1,
516: stream->se.frextd + 1,
517: stream->bitrate * 400,
518: stream->vbvbuffersize * 16,
519: ((stream->sh.constrained) ? ", constrained" : ""),
520: ((stream->se.lowdelay) ? ", low delay" : "")
521: );
522: break;
523: }
524: break;
525: case 2: // sequence display extension
526: if (0)
527: switch (i) {
528: case 0:
529: break;
530: }
531: break;
532: case 3: // quant matrix extension
533: if (0)
534: switch (i) {
535: case 0:
536: break;
537: }
538: break;
539: case 4: // copyright extension
540: if (0)
541: switch (i) {
542: case 0:
543: break;
544: }
545: break;
546: case 7: // picture display extension
547: if (0) switch (i) {
548: case 0:
549: break;
550: }
551: break;
552: case 8: // picture coding extension
553: if (0)
554: switch (i) {
555: case 0:
556: break;
557: }
558: break;
559: default:
560: break;
561: }
562: break;
563: default:break;
564: }
565:
566: }
567: }
568:
569: void DecoderReadDataFifo(struct cvdv_cards *card)
570: {
571: // printk(KERN_DEBUG LOGNAME ": DATA - ");
572: while (card->DataFifoHead != card->DataFifoTail) {
573: // printk("%03X ", card->DataFifo[card->DataFifoTail]);
574: card->DataFifoTail = (card->DataFifoTail + 1) & FIFO_MASK;
575: }
576: // printk("\n");
577: }
578:
579: int DecoderReadNavipack(struct cvdv_cards *card)
580: {
581: u32 startaddr, endaddr, writeaddr;
582: u8 navipack[1024];
583: u16 PacketLength;
584: u8 SubStreamID;
585: //struct Navi navi;
586: int i;
587: startaddr = (DecoderReadWord(card, 0x05C) & 0x3FFF) << 7;
588: // 21 bit word address
589: endaddr = (DecoderReadWord(card, 0x05E) & 0x3FFF) << 7;
590: // 21 bit word address
591: writeaddr = DecoderReadByte(card, 0x075) & 0xFF;
592: writeaddr |= (DecoderReadWord(card, 0x077) & 0x0FFF) << 8;
593: //writeaddr <<= 3;
594: //printk(KERN_DEBUG LOGNAME ": -- DecoderReadNavipack 0x%08X-0x%08X, ->0x%08X <-0x%08X\n", startaddr, endaddr, writeaddr, card->NaviPackAddress);
595:
596: if (DecoderReadByte(card, 0x07B) & 0xC0) { // navi pack available?
597: DRAMReadByte(card, card->NaviPackAddress, 1024, navipack, 0);
598: card->reg07B |= 0x20; // decrement navi counter
599: DecoderWriteByte(card, 0x07B, card->reg07B);
600: card->reg07B &= ~0x20;
601: //DecoderSetByte(card, 0x07B, 0x20); // decrement navi counter
602: card->NaviPackAddress += 512; // increment in words
603: if (card->NaviPackAddress >= endaddr)
604: card->NaviPackAddress = startaddr;
605: //printk(KERN_DEBUG LOGNAME ": Navipack %02X %02X %02X %02X %02X %02X %02X %02X\n",
606: // navipack[0], navipack[1], navipack[2], navipack[3], navipack[4], navipack[5], navipack[6], navipack[7]);
607: if ((!navipack[0]) && (!navipack[1]) && (navipack[2] == 1) && (navipack[3] == 0xBF)) {
608: PacketLength = (navipack[4] << 8) | navipack[5];
609: SubStreamID = navipack[6];
610: //printk(KERN_DEBUG LOGNAME ": Navipack Len=%d, ID=%d\n", PacketLength, SubStreamID);
611: i = 7; // start of payload data in navipack[]
612: switch (SubStreamID) {
613: case 0: // Presentation Control Information (PCI)
614: if (PacketLength < 980) return 1; // Packet too small
615: DecoderQueueNavi(card, navipack);
616: break;
617: case 1: // Data Search Information (DSI)
618: if (PacketLength < 1018) return 1; // Packet too small
619: DecoderQueueNavi(card, navipack);
620: break;
621: default:
622: break;
623: }
624: // } else {
625: // printk(KERN_DEBUG LOGNAME ": navi pack format error: %02X %02X %02X %02X %02X %02X %02X %02X.\n",
626: // navipack[0], navipack[1], navipack[2], navipack[3], navipack[4], navipack[5], navipack[6], navipack[7]);
627: }
628: // } else {
629: // printk(KERN_DEBUG LOGNAME ": no navi pack avail.\n");
630: }
631: return 0;
632: }
633:
634: int AudioStart(struct cvdv_cards *card)
635: {
636: DecoderReadAudioInfo(card); // detect audio type
637: if (card->stream.audio.valid) {
638: printk(KERN_DEBUG LOGNAME ": Audio Init in delayed decoder start\n");
639: if (card->AudioInitialized) AudioClose(card);
640: switch (card->setup.audioselect) {
641: case audio_MPEG: // MPEG Audio
642: case audio_MPEG_EXT: // MPEG Audio with ext.
643: printk(KERN_DEBUG LOGNAME ": Using MPEG Audio\n");
644: AudioInit(card, card->stream.audio.mpeg.samplefreq, 0);
645: if (card->stream.audio.mpeg.mode == 3) AudioDualMono(card, 2); // left channel only
646: else AudioDualMono(card, 0);
647: break;
648: case audio_DTS:
649: case audio_LPCM: // Linear Pulse Code Modulation LPCM
650: printk(KERN_DEBUG LOGNAME ": Using LPCM Audio\n");
651: AudioInit(card, 48, 0); // or 96
652: break;
653: case audio_AC3: // AC-3
654: printk(KERN_DEBUG LOGNAME ": Using AC-3 Audio\n");
655: switch (card->stream.audio.ac3.fscod) {
656: case 0:AudioInit(card, 48, 0); break;
657: case 1:AudioInit(card, 44, 0); break;
658: case 2:AudioInit(card, 32, 0); break;
659: }
660: break;
661: case audio_none:
662: case audio_disable:
663: case audio_SDDS:
664: }
665: } else return 1;
666: return 0;
667: }
668:
669: u32 DecoderReadSCR(struct cvdv_cards *card, u16 address)
670: {
671: u32 SCR;
672: SCR = DecoderReadByte(card, address);
673: SCR |= ((u32)DecoderReadByte(card, address+1) << 8);
674: SCR |= ((u32)DecoderReadByte(card, address+2) << 16);
675: SCR |= ((u32)DecoderReadByte(card, address+3) << 24);
676: return SCR;
677: }
678:
679: u32 DecoderReadRWAddr(struct cvdv_cards *card, u16 address)
680: {
681: u32 addr;
682: addr = DecoderReadByte(card, address) & 0xFF;
683: addr |= (((u32)DecoderReadByte(card, address+1) & 0xFF) << 8);
684: addr |= (((u32)DecoderReadByte(card, address+2) & 0x0F) << 16);
685: return addr;
686: }
687:
688: int PTSGetFirstPTS(PTSStorage *store, u32 *PTS)
689: {
690: if ( store->end == store->begin ) {
691: return 0;
692: } else {
693: *PTS = store->PTS[store->begin];
694: return 1;
695: }
696: }
697:
698: void PTSStoreAdd(PTSStorage *store, u32 PTS, u32 AddrB, u32 AddrE)
699: {
700: int new;
701:
702: //printk(KERN_DEBUG LOGNAME ": PTSStoreAdd - store in [%d] %08X - %08X\n", store->end, AddrB, AddrE);
703:
704: // cheap fix: don't store if address rollover
705: if ((AddrB & 0x00080000) != (AddrE & 0x00080000)) return;
706:
707: new = store->end;
708:
709: store->end++;
710: if (store->end >= store->size) store->end = 0;
711: if (store->end == store->begin) {
712: store->begin++;
713: if (store->begin >= store->size) store->begin = 0;
714: }
715:
716: store->AddrB[new] = AddrB;
717: store->AddrE[new] = AddrE;
718: store->PTS[new] = PTS;
719: }
720:
721: int PTSGetPTS (PTSStorage *store, u32 Addr, u32 *PTS )
722: {
723: u32 AddrB;
724: u32 AddrE;
725: int i;
726: int found;
727: int search;
728:
729: //printk(KERN_DEBUG LOGNAME ": PTSGetPTS - search %08X\n", Addr);
730:
731: if (store->end == store->begin) {
732: store->LastAddr = Addr;
733: return 0;
734: }
735:
736: // Search for the PTS in the array
737: found = 0;
738: search = 1;
739: while (search && !found) {
740: // Get the first value
741: i = store->begin;
742: AddrB = store->AddrB[i];
743: AddrE = store->AddrE[i];
744:
745: //printk(KERN_DEBUG LOGNAME ": PTSGetPTS - search in [%d] %08X - %08X\n", i, AddrB, AddrE);
746:
747: //If in range, keep it
748: if ((Addr >= AddrB) && (Addr <= AddrE)) {
749: *PTS = store->PTS[i];
750: found = 1;
751: } else {
752: if ((Addr & 0x00080000) == (AddrB & 0x00080000)) {
753: if (Addr < AddrB ) search = 0;
754: } else {
755: if ((store->LastAddr & 0x00080000) == (Addr & 0x00080000)) search = 0;
756: }
757: }
758: if (search) {
759: store->begin++;
760: if (store->begin >= store->size) store->begin = 0;
761: if (store->end == store->begin ) search = 0;
762: }
763: }
764: store->LastAddr = Addr;
765: return found;
766: }
767:
768:
769: u32 GetPTS(u8 *data, u32* MediaPointer, int mpeg, int hlength,int off)
770: {
771: u32 PTS = 0xFFFFFFFFUL;
772: int p = 0;
773:
774: // Read PTS, if present
775: if ((mpeg == 2 && data[p + 7] & 0x80) ||
776: (mpeg == 1 && off)) {
777: if (mpeg == 1) p = off-9;
778: PTS = (data[p + 9] >> 1) & 0x03UL;
779: PTS = (PTS << 8) | (data[p + 10] & 0xFFUL);
780: PTS = (PTS << 7) | ((data[p + 11] >> 1) & 0x7FUL);
781: PTS = (PTS << 8) | (data[p + 12] & 0xFFULL);
782: PTS = (PTS << 7) | ((data[p + 13] >> 1) & 0x7FUL);
783: }
784: // Now, skip rest of PES header and stuffing
785: if (mpeg == 2){
786: p += (9 + (data[p + 8] & 0xFF));
787: p = ((p + 7) / 8) * 8;
788: } else p = hlength+7;
789: if (!(data[p++] | data[p++] | data[p++] | data[p++])) {
790: *MediaPointer = (u32)data[p++] & 0xFF;
791: *MediaPointer = (*MediaPointer << 8) | ((u32)data[p++] & 0xFF);
792: *MediaPointer = (*MediaPointer << 8) | ((u32)data[p++] & 0xFF);
793: *MediaPointer = (*MediaPointer << 8) | ((u32)data[p++] & 0xFF);
794: } else {
795: *MediaPointer = 0xFFFFFFFFUL;
796: }
797: return PTS;
798: }
799:
800: int ReadPESChunk(struct cvdv_cards *card, u32 *addr, u8 *data, u32 start, u32 end)
801: {
802: int i = 5, err = -1;
803: while (err && (i--)) err &= DRAMReadByte(card, *addr << 2, 8, &data[0], 0);
804: if (err) return 1;
805: (*addr)++;
806: if (*addr >= end) *addr = start;
807: return 0;
808: }
809:
810: void ReadPESHeaders(struct cvdv_cards *card)
811: {
812: u8 startcode[] = {0x00, 0x00, 0x01};
813: int LoopCount;
814: u32 LastVAddr; // Current Video Address
815: u32 LastAAddr; // Current Audio Address
816: u32 Addr; // Current Header Address
817: u32 PESAddr; // Pointer from Header Block
818: u32 PTS; // PTS from Header Block
819: u8 Data[32];
820: u32 AudioPESStart;
821: u32 AudioPESEnd;
822: int i, j, p, fail;
823: u32 FailAddr;
824: int hlength=0;
825: int mpeg=0;
826: int check;
827: int mp=0;
828: int off=0;
829:
830: AudioPESStart = (DecoderReadWord(card, 0x058) & 0x3FFF) << 5;
831: AudioPESEnd = ((DecoderReadWord(card, 0x05A) & 0x3FFF) + 1) << 5;
832:
833: LastVAddr = DecoderReadRWAddr(card, 0x060);
834: LastAAddr = DecoderReadRWAddr(card, 0x063);
835:
836: if (card->LastAddr == 0) card->LastAddr = AudioPESStart;
837:
838: //Read the PES header buffer
839: Addr = DecoderReadRWAddr(card, 0x072) & 0x0007FFFF;
840: if (Addr >= AudioPESEnd) {
841: Addr = card->LastAddr = AudioPESStart;
842: }
843:
844: LoopCount = 0;
845: while ((card->LastAddr != Addr) && (LoopCount++ < 200)) {
846: FailAddr = card->LastAddr;
847: fail = 0;
848: p = 0;
849:
1.9 mocm 850: if (ReadPESChunk(card, &card->LastAddr, &Data[p],
851: AudioPESStart, AudioPESEnd)) continue;
1.1 cvs 852: p+=8;
853: j=1;
854:
855: if (memcmp(Data, startcode, 3)) continue;
856: if ((Data[3] == 0xE0) || (Data[3] == 0xBD)
857: || ((Data[3] & 0xE0) == 0xC0)) {
858:
859: fail |= ReadPESChunk(card, &card->LastAddr,
860: &Data[p], AudioPESStart,
861: AudioPESEnd);
862:
863:
864: p+=8;
865: j++;
866: if ( (Data[6] & 0xC0) == 0x80 ){
867: hlength = 9+Data[8];
868: mpeg = 2;
869: } else {
870: mpeg = 1;
871: mp = 6;
872: check = Data[mp];
873: mp++;
874: while (check == 0xFF){
875: if (!fail && mp == p) {
876: fail |= ReadPESChunk(
877: card,
878: &card->LastAddr,
879: &Data[p],
880: AudioPESStart,
881: AudioPESEnd);
882: p+=8;
883: j++;
884: }
885: check = Data[mp];
886: mp++;
887: }
888: if (!fail && mp == p) {
889: fail |= ReadPESChunk(
890: card,
891: &card->LastAddr,
892: &Data[p],
893: AudioPESStart,
894: AudioPESEnd);
895: p+=8;
896: j++;
897: }
898:
899: if ( !fail && (check & 0xC0) == 0x40){
900: check = Data[mp];
901: mp++;
902: if (!fail && mp == p) {
903: fail |= ReadPESChunk(
904: card,
905: &card->LastAddr,
906: &Data[p],
907: AudioPESStart,
908: AudioPESEnd);
909: p+=8;
910: j++;
911: }
912: check = Data[mp];
913: mp++;
914: }
915: if ( !fail && (check & 0x20)){
916: if (check & 0x30) hlength = mp+10;
917: else hlength = mp+5;
918: off = mp-1;
919: }
920: }
921:
922: for (i = 1; (i < ((hlength+7) / 8)) && (!fail);
923: i++) {
1.9 mocm 924: fail |= ReadPESChunk(card, &card->LastAddr,
925: &Data[p], AudioPESStart,
926: AudioPESEnd);
1.1 cvs 927: p+=8;
928: j++;
929: }
930:
931: if (!fail) {
932: PTS = GetPTS(Data, &PESAddr,
933: mpeg, hlength,off);
1.9 mocm 934: if ((PTS != 0xFFFFFFFF) &&
935: (PESAddr != 0xFFFFFFFF)) {
1.1 cvs 936: if (Data[3] == 0xE0) { // Video
937: PTSStoreAdd(&card->VideoPTSStore, PTS, PESAddr, LastVAddr);
938: } else { // Audio
939: PTSStoreAdd(&card->AudioPTSStore, PTS, PESAddr, LastAAddr);
940: }
941: }
942: }
943: } else {
944: //card->LastAddr = Addr;
945: }
946: // In case of error, rewind and try again
947: if (fail) card->LastAddr = FailAddr;
948: }
949: }
950:
951: void L64021Intr(struct cvdv_cards *card)
952: {
953: u32 SCR_base, SCR_compareV, SCR_compareA;
954: u32 VideoAddr, AudioAddr, PTS;
955: int i, a, v, as, vs, ap, vp;
956: u8 intr[5];
957: u8 layer;
958: long ISRTime, DeltaSyncTime, Offset;
959:
960: int used = 0;
961: u8 err;
962:
963: err = DecoderReadByte(card, 0x095);
964: if (err & 0x17) {
1.10 mocm 965: printk(KERN_ERR LOGNAME ": Packet Error: 0x%02X\n", err);
1.1 cvs 966: }
967:
968: ISRTime = 0; // TODO system time
969:
970: for (i = 0; i < 5; i++)
971: if ((intr[i] = DecoderReadByte(card, i))) used = 1;
972: if (used) {
973: if (intr[0] & 0x80) { // new field
974: card->fields++;
975:
1.8 mocm 976: if (card->videoffwd){
1.11 ! mocm 977: if (!card->videoffwd_last){
! 978: AudioStopDecode(card);
! 979: card->videosync = 0;
! 980: card->videoskip = card->videoffwd;
! 981: card->videoskip = 0;
! 982: card->videoffwd_last = 1;
! 983: card->videoskip_last = 0;
! 984: } else {
! 985: if (card->videoskip_last == -1){
! 986: card->videoskip =
! 987: card->videoffwd;
! 988: }
! 989:
! 990: if (!card->videoskip)
! 991: card->videoskip_last = -1;
! 992: else
! 993: card->videoffwd_last =
! 994: card->videoffwd;
! 995: }
! 996: } else if( card->videoffwd_last ){
! 997: card->videoffwd_last = 0;
1.10 mocm 998: #ifdef DVB
1.8 mocm 999: if (card->audiostate.AVSyncState)
1.10 mocm 1000: #endif
1.8 mocm 1001: card->videosync = 1;
1002: AudioStartDecode(card);
1.11 ! mocm 1003: }
! 1004:
! 1005:
1.8 mocm 1006: if (card->videoslow){
1007: if (!card->videoslow_last){
1008: AudioStopDecode(card);
1009: card->videosync = 0;
1.9 mocm 1010: card->videodelay = card->videoslow;
1.8 mocm 1011: card->videoskip = 0;
1012: card->videoslow_last = 1;
1013: card->videodelay_last = 0;
1014: } else {
1015: if (card->videodelay_last == -1){
1016: card->videodelay =
1017: card->videoslow;
1018: }
1019:
1020: if (!card->videodelay)
1021: card->videodelay_last = -1;
1022: else
1023: card->videodelay_last =
1024: card->videodelay;
1025: }
1026: } else if( card->videoslow_last ){
1027: card->videoslow_last = 0;
1.10 mocm 1028: #ifdef DVB
1.8 mocm 1029: if (card->audiostate.AVSyncState)
1.10 mocm 1030: #endif
1.8 mocm 1031: card->videosync = 1;
1032: AudioStartDecode(card);
1033: }
1.9 mocm 1034:
1.1 cvs 1035:
1036: if (card->videodelay > 0) {
1.8 mocm 1037: if( (DecoderReadByte(card, 0x0ED) & 0x03)
1038: == 0x00) {
1.1 cvs 1039: card->videodelay--;
1040: if(card->videodelay){
1.8 mocm 1041: DecoderWriteByte(card, 0x0ED,
1042: 0x01);
1.1 cvs 1043: } else {
1.8 mocm 1044: DecoderWriteByte(card, 0x0ED,
1045: 0x00);
1046: }
1047: } else {
1048: card->videodelay--;
1049: if(!card->videodelay){
1050: DecoderWriteByte(card, 0x0ED,
1051: 0x00);
1.1 cvs 1052: }
1053: }
1.8 mocm 1054: } else if (card->videoskip > 0) {
1055: if ((DecoderReadByte(card, 0x0EC) & 0x03)
1056: == 0x00) {
1.11 ! mocm 1057: if (DecoderReadWord(card, 0x096) > 5){
1.8 mocm 1058: // pictures in video ES channel
1059: card->videoskip--;
1060: if(card->videoskip) {
1061: DecoderWriteByte(card,
1062: 0x0EC
1.10 mocm 1063: ,0x03);
1.1 cvs 1064: } else {
1.8 mocm 1065: DecoderWriteByte(card,
1066: 0x0EC
1.9 mocm 1067: ,0x00);
1.1 cvs 1068: }
1069: } else {
1.8 mocm 1070: card->videoskip = 0;
1.9 mocm 1071: DecoderWriteByte (card, 0x0EC,
1072: 0x00);
1.1 cvs 1073: }
1074: }
1075: }
1076:
1077:
1.9 mocm 1078: i = (DecoderReadByte(card, 0x113) & 0xFC) |
1079: (DecoderReadByte(card, 0x114) & 0x01);
1.1 cvs 1080: v = DecoderGetVideoESLevel(card);
1081: if (card->startingV) {
1082: vs = card->VideoESSize;
1083: if (vs > 0) vp = (100 * v) / vs;
1084: else vp = 0;
1.11 ! mocm 1085: if (vp > 40) {
1.10 mocm 1086: printk(KERN_ERR LOGNAME
1.9 mocm 1087: ": Delayed Video Decoder start\n");
1.1 cvs 1088: card->startingV = 0;
1089: DecoderStartDecode(card);
1.9 mocm 1090: DecoderSetVideoPanic(card, 1, 3);
1091: // video panic at 3 pictures
1.1 cvs 1092: //DecoderSetVideoPanic(card, 0, DecoderGetVideoESSize(card) / 4); // video panic at 25 percent
1093: }
1094: }
1095: a = DecoderGetAudioESLevel(card);
1096: if (card->startingA) {
1097: as = card->AudioESSize;
1098: if (as > 0) ap = (100 * a) / as;
1099: else ap = 0;
1.11 ! mocm 1100: if (ap > 40) {
1.10 mocm 1101: printk(KERN_ERR LOGNAME
1.9 mocm 1102: ": Delayed Audio Decoder start\n");
1.6 mocm 1103: AudioSetPlayMode(card, MAUDIO_PLAY);
1.1 cvs 1104: if (!AudioStart(card)) {
1105: card->startingA = 0;
1106: }
1107: }
1108: }
1109: if (card->fields >= 250) { // 5 seconds (PAL)
1110: SCR_base = DecoderReadSCR(card, 0x009);
1111: SCR_compareA = DecoderReadSCR(card, 0x014);
1112: SCR_compareV = DecoderReadSCR(card, 0x00D);
1113: if (DecoderReadByte(card, 0x013) & 0x03)
1114: card->fields = 0;
1115: }
1116: }
1117:
1118: if (intr[0] & 0x04) { // First Slice Start Code
1119: if (card->showvideo) {
1120: // Unmute card video if first picture slice detected
1121: VideoSetBackground(card, 0, 0, 0, 0); // Video on black
1122: card->showvideo = 0;
1123: }
1124: }
1125:
1126: if (intr[0] & 0x02 ) { // Aux/User Data Fifo
1127: used = 0;
1128: while ( (used++ < 1000) &&
1129: (layer = DecoderReadByte(card, 0x040)) & 0x03){
1.9 mocm 1130: card->AuxFifo[card->AuxFifoHead] =
1131: ((layer << 6) & 0x0700) |
1132: DecoderReadByte(card, 0x043);
1133: card->AuxFifoHead = (card->AuxFifoHead + 1) &
1134: FIFO_MASK;
1.1 cvs 1135: }
1136: if (used < 1000) DecoderReadAuxFifo(card);
1137: used = 0;
1138:
1139: while ( (used++ < 1000) &&
1140: (layer = DecoderReadByte(card, 0x041)) & 0x03){
1.9 mocm 1141: card->DataFifo[card->DataFifoHead] =
1142: ((layer << 6) & 0x0300) |
1143: DecoderReadByte(card, 0x043);
1144: card->DataFifoHead = (card->DataFifoHead + 1)
1145: & FIFO_MASK;
1.1 cvs 1146: }
1147: if (used < 1000 ) DecoderReadDataFifo(card);
1148: }
1149:
1.9 mocm 1150: if ((intr[0] & 0x01) != card->intdecodestatus) {
1151: // decode status
1.1 cvs 1152: card->intdecodestatus = intr[0] & 0x01;
1.10 mocm 1153: printk(KERN_ERR LOGNAME
1.9 mocm 1154: ": Int - decode status now %s\n",
1155: ((card->intdecodestatus) ?
1156: "running" : "stopped"));
1.1 cvs 1157: if (card->intdecodestatus) { // now running
1.9 mocm 1158: DecoderSetVideoPanic(card, 1, 3);
1159: // video panic at 3 pictures
1160: card->showvideo = 1;
1.1 cvs 1161: } else { // now stopped
1162: if (card->closing) {
1163: card->closing = 0;
1164: CloseCard(card);
1165: }
1166: }
1167:
1168: }
1169:
1170: if (intr[1] & 0x10) { // Begin Active Video
1171: if (card->highlight_valid) {
1.9 mocm 1172: for (i = 0; i < 10; i++)
1173: DecoderWriteByte(card, 0x1C0 + i,
1174: card->highlight[i]);
1.1 cvs 1175: card->highlight_valid = 0;
1176: }
1177: }
1.9 mocm 1178: if (intr[1] & 0x08) { // SPU Start Code Detected
1.10 mocm 1179: printk(KERN_ERR LOGNAME
1.9 mocm 1180: ": Int - SPU Start Code Detected\n");
1181: }
1182:
1.1 cvs 1183: if (intr[1] & 0x04) { // SCR compare audio
1.10 mocm 1184: printk(KERN_ERR LOGNAME
1.9 mocm 1185: ": Int - SCR compare audio\n");
1.1 cvs 1186: DecoderDelByte(card, 0x013, 0x01);
1187: AudioStart(card);
1188: }
1189:
1190: if (intr[2] & 0x20) { // DSI PES data ready
1191: DecoderReadNavipack(card);
1192: }
1193:
1194: if (intr[2] & 0x06) { // Audio / Video PES data ready
1.9 mocm 1195: ReadPESHeaders(card);
1.1 cvs 1196: }
1197:
1198: if (intr[3] & 0x40) { // CSS
1199: card->css.status = DecoderReadByte(card, 0x0B0);
1.9 mocm 1200: if (card->css.status&0x01)
1201: card->css.ChallengeReady = 1;
1202: // challenge ready
1203: if (card->css.status&0x02)
1204: card->css.ResponseReady = 1;
1205: // response ready
1206: if (card->css.status&0x04)
1207: card->css.DiskKey = 1;
1208: // Disk key ready
1209: if (card->css.status&0x08)
1210: card->css.Error = 1;
1211: // Disk key error
1212: if (card->css.status&0x10)
1213: card->css.TitleKey = 1;
1214: // Title key ready
1215: if (card->css.status&0x20)
1216: card->css.TitleKeyDiff = 1;
1217: // Title key error
1.1 cvs 1218: }
1219:
1220:
1.9 mocm 1221: if (intr[3] & 0x30) {
1222: // Audio/Video ES channel buffer underflow
1.11 ! mocm 1223: //printk(KERN_ERR LOGNAME
! 1224: // ": Int - ES channel buffer underflow\n");
1.1 cvs 1225: if (card->closing) {
1226: card->closing = 0;
1227: CloseCard(card);
1.9 mocm 1228: }
1.1 cvs 1229: }
1230:
1231: if (intr[4] & 0x10 ) { // SPU decode error
1.10 mocm 1232: printk(KERN_ERR LOGNAME
1.9 mocm 1233: ": Int - SPU decode error: (1CA)=0x%02X\n",
1234: DecoderReadByte(card, 0x1CA));
1.1 cvs 1235: DecoderDelByte(card, 0x1A0, 0x01); // SPU decode stop
1236: DecoderSetByte(card, 0x1A0, 0x01); // SPU decode start
1237: }
1238:
1239: // Audio / Video Syncronisation
1240:
1.8 mocm 1241: if (card->videosync && !card->videoskip && !card->videodelay) {
1.1 cvs 1242: SCR_base = DecoderReadSCR(card, 0x009);
1243: SCR_compareV = DecoderReadSCR(card, 0x00D);
1244: if (intr[1] & 0x02) { // picture start code detected
1.9 mocm 1245: DecoderMaskByte(card, 0x011, 0x03, 0x01);
1246: // Set SCR compare/capture mode to capture
1247: DecoderSetByte(card, 0x11, 0x04);
1248: // Set "capture on picture start"
1249: if (intr[1] & 0x01) {
1250: // audio sync code detected
1251: DecoderSetByte(card, 0x11, 0x08);
1252: // Set "capture on audio sync code"
1.1 cvs 1253: }
1254: VideoAddr = DecoderReadRWAddr(card,0x080);
1.9 mocm 1255: if (PTSGetPTS(&card->VideoPTSStore, VideoAddr,
1256: &PTS)) {
1.1 cvs 1257: card->oldVPTS = card->VPTS;
1258: card->VPTS = PTS;
1.9 mocm 1259: card->VSCR = ((long)SCR_compareV
1260: - (long)PTS) / 2;
1.1 cvs 1261: // card->VideoTime = ISRTime;
1262: }
1.9 mocm 1263: } else if (intr[1] & 0x01) {
1264: // audio sync code detected
1265: DecoderMaskByte(card, 0x011, 0x03, 0x01);
1266: // Set SCR compare/capture mode to capture
1267: DecoderSetByte(card, 0x11, 0x08);
1268: // Set "capture on audio sync code"
1.1 cvs 1269: AudioAddr = DecoderReadRWAddr(card,0x083);
1.9 mocm 1270: if (PTSGetPTS(&card->AudioPTSStore, AudioAddr,
1271: &PTS)) {
1.1 cvs 1272: card->oldAPTS = card->APTS;
1273: card->APTS = PTS;
1.9 mocm 1274: card->ASCR = ((long)SCR_compareV -
1275: (long)PTS) / 2;
1.1 cvs 1276: } else {
1277: card->ASCR = 0x7FFFFFFF;
1278: }
1.9 mocm 1279:
1.1 cvs 1280: if (card->VSCR != 0x7FFFFFFF) {
1281: if (card->ASCR != 0x7FFFFFFF) {
1.9 mocm 1282: DeltaSyncTime = ISRTime -
1283: card->SyncTime;
1.1 cvs 1284: card->SyncTime = ISRTime;
1285:
1.9 mocm 1286: // Calculate Audio and Video SCR difference
1287: Offset = (card->ASCR -
1288: card->VSCR -
1289: (10 * 736)) / 736;
1.1 cvs 1290:
1.9 mocm 1291: // if the APTS and SCR are off update SCR to keep SubPic synced
1292: if ((SCR_compareV > card->APTS)
1293: || ((card->APTS -
1294: SCR_compareV) >
1295: 10000)) {
1.1 cvs 1296: Offset = 0;
1.9 mocm 1297: SetSCR(card,
1298: card->APTS);
1.1 cvs 1299: }
1300:
1301: // if more than 3 frames away
1.9 mocm 1302: if ((Offset > 3) ||
1303: (Offset < -3)) {
1.1 cvs 1304: if (Offset > 0 ) {
1305: card->videodelay = 0;
1306: if (Offset < 100) {
1307: if (Offset < 10) {
1308: card->videodelay = 1;
1309: } else {
1310: card->videodelay = Offset / 2;
1311: if (card->videodelay > 20) {
1312: card->videodelay = 20;
1313: }
1314: }
1.10 mocm 1315: printk(KERN_ERR LOGNAME ": <<< Pausing %d\n", card->videodelay);
1.1 cvs 1316: } else {
1317: }
1318: } else {
1.8 mocm 1319: card->videoskip = 0;
1.1 cvs 1320: if (Offset > -100) {
1321: if (Offset < -10) {
1.8 mocm 1322: card->videoskip = 10;
1.1 cvs 1323: } else {
1.8 mocm 1324: card->videoskip = 3;
1.1 cvs 1325: }
1.10 mocm 1326: printk(KERN_ERR LOGNAME ": >>> FForward %d\n", card->videoskip);
1.1 cvs 1327: }
1328: }
1329: } else {
1330: }
1331: card->VSCR = 0x7FFFFFFF;
1332: }
1333: }
1334: }
1335: }
1336: }
1337: DecoderWriteByte(card, 0x006, 0x01); // Clear Interrupt Pin
1338: }
1339:
1340: // Enable the IRQ Masks
1341: void L64021InstallIntr(struct cvdv_cards *card) {
1342: u8 data;
1343:
1344: data=0;
1345: data |= 0x80; // new field
1346: data |= 0x40; // audio sync recovery
1347: data |= 0x20; // SPU SCR compare
1348: // data |= 0x10; // SDRAM Transfer Done
1349: // data |= 0x08; // Sequence End Code Detect
1350: data |= 0x04; // First Slice Start Code
1351: data |= 0x02; // Aux/User Data Fifo
1352: data |= 0x01; // decode status
1353: DecoderWriteByte(card, 0x000, (~data) & 0xFF);
1354:
1355: data = 0;
1356: // data |= 0x80; // SCR compare
1357: // data |= 0x40; // SCR Overflow
1358: // data |= 0x20; // Begin Vertical Blank
1359: data |= 0x10; // Begin Active Video
1360: data |= 0x08; // SPU Start Code Detected
1361: data |= 0x04; // SCR compare audio
1362: data |= 0x02; // picture start code detected
1363: data |= 0x01; // audio sync code detected
1364: DecoderWriteByte(card, 0x001, (~data) & 0xFF);
1365:
1366: data = 0;
1367: // data |= 0x80; // DTS video event
1368: // data |= 0x40; // DTS audio event
1369: data |= 0x20; // DSI PES data ready
1370: // data |= 0x10; // Seq end code in video channel
1371: data |= 0x08; // SPU PES data ready
1372: data |= 0x04; // Video PES data ready
1373: data |= 0x02; // Audio PES data ready
1374: // data |= 0x01; // Pack data ready
1375: DecoderWriteByte(card, 0x002, (~data) & 0xFF);
1376:
1377: data = 0;
1378: // data |= 0x80; // Reserved
1379: data |= 0x40; // CSS
1380: data |= 0x20; // Video ES channel buffer underflow
1381: data |= 0x10; // Audio ES channel buffer underflow
1382: // data |= 0x08; // Data Dump channel PES data ready
1383: data |= 0x04; // SPU channel buffer overflow
1.9 mocm 1384: //data |= 0x02; // Video ES channel buffer overflow
1385: //data |= 0x01; // Audio ES channel buffer overflow
1.1 cvs 1386: DecoderWriteByte(card, 0x003, (~data) & 0xFF);
1387:
1388: data = 0;
1389: // data |= 0x80; // S/PDIF channel buffer underflow
1390: // data |= 0x40; // packet error
1391: // data |= 0x20; // reserved
1392: data |= 0x10; // SPU decode error
1393: // data |= 0x08; // Audio Sync error
1394: // data |= 0x04; // Audio CRC or illegal bit error
1395: // data |= 0x02; // context error
1396: // data |= 0x01; // VLC or Run length error
1397: DecoderWriteByte(card, 0x004, (~data) & 0xFF);
1398: card->IntInstalled = 1;
1399: }
1400:
1401: int L64021RemoveIntr(struct cvdv_cards *card) {
1402: // Disable the IRQ Masks
1403: DecoderWriteByte(card, 0x000, 0xFF); // No ints
1404: DecoderWriteByte(card, 0x001, 0xFF); // No ints
1405: DecoderWriteByte(card, 0x002, 0xFF); // No ints
1406: DecoderWriteByte(card, 0x003, 0xFF); // No ints
1407: DecoderWriteByte(card, 0x004, 0xFF); // No ints
1408: card->IntInstalled = 0;
1409: return 0;
1410: }
1411:
1412: int L64021Reset(struct cvdv_cards *card) {
1413: L64021RemoveIntr(card); // Stop interrupts
1414: // Reset
1415: printk(KERN_DEBUG LOGNAME ": L64021 Software reset...\n");
1416: //DecoderSetByte(card, 0x007, 0x20); // reset on
1417: DecoderMaskByte(card, 0x007, 0xE2, 0xE2); // reset on
1418: while (!(DecoderReadByte(card, 0x007) & 0x02)) ; // wait until reset is done
1419: //DecoderDelByte(card, 0x007, 0x20); // reset off
1420: DecoderMaskByte(card, 0x007, 0xE2, 0xC2); // reset off
1421: printk(KERN_DEBUG LOGNAME ": L64021 Software reset done.\n");
1422: DecoderStopChannel(card);
1423: DecoderStopDecode(card);
1424: DecoderStreamReset(card);
1425: DecoderSetupReset(card);
1426: printk(KERN_INFO LOGNAME ": L64021 Rev. 0x%02X reset successfully.\n", DecoderReadByte(card, 0x0F5));
1427: return 0;
1428: }
1429:
1430: int L64021Setup(struct cvdv_cards *card) {
1431: printk(KERN_DEBUG LOGNAME ": -- L64021Setup\n");
1432: DecoderWriteByte(card, 0x0C1, 0x88); //
1433: switch (card->videomode) {
1434: case NTSC: // NTSC M, N. America, Taiwan, Japan
1435: DecoderMaskByte(card, 0x122, 0x03, 0x01); // Television Standard: NTSC
1436: /* Default values:
1437: DecoderWriteByte(card, 0x116, 90); // Main Reads per Line
1438: DecoderWriteByte(card, 0x11A, 4); // Vline Count Init
1439: DecoderWriteByte(card, 0x11C, 0x13); // Pixel State Reset Value / BT.656 Mode / Sync Active Low
1440: DecoderWriteByte(card, 0x129, 23); // Start- and End Row
1441: DecoderWriteByte(card, 0x12A, 262 & 0xFF);
1442: DecoderWriteByte(card, 0x12B, (262>>4)&0x70);
1443: DecoderWriteByte(card, 0x12C, 244 & 0xFF); // Start- and End Column
1444: DecoderWriteByte(card, 0x12D, 1683 & 0xFF);
1445: DecoderWriteByte(card, 0x12E, ((1683>>4)&0x70)|((244>>8)&0x07));
1446: DecoderWriteByte(card, 0x132, 240 & 0xFF); // SAV Column
1447: DecoderWriteByte(card, 0x133, 1684 & 0xFF); // EAV Column
1448: DecoderWriteByte(card, 0x134, ((1684>>4)&0x70)|((240>>8)&0x07));
1449: DecoderWriteByte(card, 0x12F, (21&0x1F)|((262>>3)&0x20)|(1<<6)|((265>>1)&0x80)); // VCode Zero...
1450: DecoderWriteByte(card, 0x130, 262&0xFF); // ... and VCode Even
1451: DecoderWriteByte(card, 0x131, 265&0xFF); // ... and FCode
1452: */
1453: break;
1454: case PAL: // PAL-B, D, G, H, I, Europe, Asia
1455: DecoderMaskByte(card, 0x122, 0x03, 0x02); // Television Standard: PAL
1456: /* Default values:
1457: DecoderWriteByte(card, 0x116, 90); // Main Reads per Line
1458: DecoderWriteByte(card, 0x11A, 1); // Vline Count Init
1459: DecoderWriteByte(card, 0x11C, 0x13); // Pixel State Reset Value / BT.656 Mode / Sync Active Low
1460: DecoderWriteByte(card, 0x129, 23); // Start- and End Row
1461: DecoderWriteByte(card, 0x12A, 310 & 0xFF);
1462: DecoderWriteByte(card, 0x12B, (310>>4)&0x70);
1463: DecoderWriteByte(card, 0x12C, 264 & 0xFF); // Start- and End Column
1464: DecoderWriteByte(card, 0x12D, 1703 & 0xFF);
1465: DecoderWriteByte(card, 0x12E, ((1703>>4)&0x70)|((264>>8)&0x07));
1466: DecoderWriteByte(card, 0x132, 260 & 0xFF); // SAV Column
1467: DecoderWriteByte(card, 0x133, 1704 & 0xFF); // EAV Column
1468: DecoderWriteByte(card, 0x134, ((1704>>4)&0x70)|((260>>8)&0x07));
1469: DecoderWriteByte(card, 0x12F, (21&0x1F)|((310>>3)&0x20)|(0<<6)|((312>>1)&0x80)); // VCode Zero...
1470: DecoderWriteByte(card, 0x130, 310&0xFF); // ... and VCode Even
1471: DecoderWriteByte(card, 0x131, 312&0xFF); // ... and FCode
1472: */
1473: break;
1474: case PAL60: // PAL 60Hz
1475: case NTSC60: // NTSC 60Hz, USA HDTV
1476: case PALM: // PAL-M normal, Brazil
1477: case PALM60: // PAL-M HDTV, Brazil
1478: case PALN: // PAL-N, Uruguay, Paraguay
1479: case PALNc: // PAL-Nc, Argentinia
1480: default: // TODO: set mode according to other standards
1481: DecoderMaskByte(card, 0x122, 0x03, 0x00); // Television Standard: User programmed
1482: DecoderWriteByte(card, 0x116, 90); // Main Reads per Line
1483: DecoderWriteByte(card, 0x11A, 1); // Vline Count Init
1484: DecoderWriteByte(card, 0x11C, 0x13); // Pixel State Reset Value / BT.656 Mode / Sync Active Low
1485: DecoderWriteByte(card, 0x129, 23); // Start- and End Row
1486: DecoderWriteByte(card, 0x12A, 310 & 0xFF);
1487: DecoderWriteByte(card, 0x12B, (310>>4)&0x70);
1488: DecoderWriteByte(card, 0x12C, 264 & 0xFF); // Start- and End Column
1489: DecoderWriteByte(card, 0x12D, 1703 & 0xFF);
1490: DecoderWriteByte(card, 0x12E, ((1703>>4)&0x70)|((264>>8)&0x07));
1491: DecoderWriteByte(card, 0x132, 260 & 0xFF); // SAV Column
1492: DecoderWriteByte(card, 0x133, 1704 & 0xFF); // EAV Column
1493: DecoderWriteByte(card, 0x134, ((1704>>4)&0x70)|((260>>8)&0x07));
1494: DecoderWriteByte(card, 0x12F, (21&0x1F)|((310>>3)&0x20)|(0<<6)|((312>>1)&0x80)); // VCode Zero...
1495: DecoderWriteByte(card, 0x130, 310&0xFF); // ... and VCode Even
1496: DecoderWriteByte(card, 0x131, 312&0xFF); // ... and FCode
1497: break;
1498: }
1499: DecoderWriteByte(card, 0x045, 0x00); // disable compares and panic mode
1500: DecoderWriteByte(card, 0x094, 0x00); // disable TOS Detect
1501: DecoderMaskByte(card, 0x109, 0x30, 0x00); // Display Override off, don't change OSD, Background
1502: DecoderWriteByte(card, 0x112, 0x00); // Disable Horizontal 2:1 Filter
1503: DecoderWriteByte(card, 0x113, 0x14); // FreezeMode 1 / 3:2 Pulldown / Repeat First Field / Top Field First
1504: DecoderWriteByte(card, 0x114, ( 5 <<3)|( 0 <<1)|( 0 <<2)|( 1 <<7)); // VideoMode/FilterEnable/FilterAB/FieldSyncEnable
1505: DecoderWriteByte(card, 0x115, 0); // Horizontal Filter Scale
1506: DecoderWriteByte(card, 0x117, 0x80); // Automatic Field Inversion Correction
1507: // DecoderWriteByte(card, 0x117, 0x00); // no Automatic Field Inversion Correction
1508: DecoderWriteByte(card, 0x118, 0); // Horizontal Pan and Scan Word Offset (signed)
1509: DecoderWriteByte(card, 0x119, 0); // Vertical Pan and Scan Line Offset
1510: DecoderWriteByte(card, 0x11B, 0x00); // Override Picture Width
1511: // if (0) { // letterbox
1512: // DecoderWriteByte(card, 0x114, (DecoderReadByte(card, 0x114) & ~0x78) | 0x40); // mode 8
1513: // DecoderWriteByte(card, 0x129, 0x35);
1514: // DecoderWriteByte(card, 0x12A, 0xE7);
1515: // DecoderWriteByte(card, 0x114, DecoderReadByte(card, 0x114) & ~0x77); // ???
1516: // } else {
1517: // if (0) { // MPEG-1
1518: // DecoderWriteByte(card, 0x114, (DecoderReadByte(card, 0x114) & ~0x78) | 0x10); // mode 2
1519: // } else { // MPEG-2
1520: // DecoderWriteByte(card, 0x114, (DecoderReadByte(card, 0x114) & ~0x78) | 0x28); // mode 5
1521: // }
1522: // }
1523: L64021InstallIntr(card); // Set the interrupt masks, again
1524:
1525: return 0;
1526: }
1527:
1528: int L64021Init(struct cvdv_cards *card) {
1529: printk(KERN_DEBUG LOGNAME ": -- L64021Init\n");
1530: L64021Reset(card);
1531: L64021Setup(card);
1532: VideoSetBackground(card, 1, 0, 0, 0); // black
1533: DecoderWriteByte(card, 0x135, 0x01); // Enable Video Out, Disable SPU Mix
1534: DecoderWriteByte(card,0x11C,0x13); // Pixel State Reset Value / BT.656 Mode / Sync Active Low
1535: L64021InstallIntr(card);
1536: return 0;
1537: }
1538:
1539: