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Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...
[deliverable/linux.git] / drivers / media / dvb / ttpci / av7110_av.c
1 /*
2 * av7110_av.c: audio and video MPEG decoder stuff
3 *
4 * Copyright (C) 1999-2002 Ralph Metzler
5 * & Marcus Metzler for convergence integrated media GmbH
6 *
7 * originally based on code by:
8 * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
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
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
26 *
27 *
28 * the project's page is at http://www.linuxtv.org/dvb/
29 */
30
31 #include <linux/types.h>
32 #include <linux/kernel.h>
33 #include <linux/string.h>
34 #include <linux/delay.h>
35 #include <linux/fs.h>
36
37 #include "av7110.h"
38 #include "av7110_hw.h"
39 #include "av7110_av.h"
40 #include "av7110_ipack.h"
41
42 /* MPEG-2 (ISO 13818 / H.222.0) stream types */
43 #define PROG_STREAM_MAP 0xBC
44 #define PRIVATE_STREAM1 0xBD
45 #define PADDING_STREAM 0xBE
46 #define PRIVATE_STREAM2 0xBF
47 #define AUDIO_STREAM_S 0xC0
48 #define AUDIO_STREAM_E 0xDF
49 #define VIDEO_STREAM_S 0xE0
50 #define VIDEO_STREAM_E 0xEF
51 #define ECM_STREAM 0xF0
52 #define EMM_STREAM 0xF1
53 #define DSM_CC_STREAM 0xF2
54 #define ISO13522_STREAM 0xF3
55 #define PROG_STREAM_DIR 0xFF
56
57 #define PTS_DTS_FLAGS 0xC0
58
59 //pts_dts flags
60 #define PTS_ONLY 0x80
61 #define PTS_DTS 0xC0
62 #define TS_SIZE 188
63 #define TRANS_ERROR 0x80
64 #define PAY_START 0x40
65 #define TRANS_PRIO 0x20
66 #define PID_MASK_HI 0x1F
67 //flags
68 #define TRANS_SCRMBL1 0x80
69 #define TRANS_SCRMBL2 0x40
70 #define ADAPT_FIELD 0x20
71 #define PAYLOAD 0x10
72 #define COUNT_MASK 0x0F
73
74 // adaptation flags
75 #define DISCON_IND 0x80
76 #define RAND_ACC_IND 0x40
77 #define ES_PRI_IND 0x20
78 #define PCR_FLAG 0x10
79 #define OPCR_FLAG 0x08
80 #define SPLICE_FLAG 0x04
81 #define TRANS_PRIV 0x02
82 #define ADAP_EXT_FLAG 0x01
83
84 // adaptation extension flags
85 #define LTW_FLAG 0x80
86 #define PIECE_RATE 0x40
87 #define SEAM_SPLICE 0x20
88
89
90 static void p_to_t(u8 const *buf, long int length, u16 pid,
91 u8 *counter, struct dvb_demux_feed *feed);
92
93
94 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
95 {
96 struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
97
98 if (!(dvbdmxfeed->ts_type & TS_PACKET))
99 return 0;
100 if (buf[3] == 0xe0) // video PES do not have a length in TS
101 buf[4] = buf[5] = 0;
102 if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
103 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
104 &dvbdmxfeed->feed.ts, DMX_OK);
105 else
106 return dvb_filter_pes2ts(p2t, buf, len, 1);
107 }
108
109 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
110 {
111 struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
112
113 dvbdmxfeed->cb.ts(data, 188, NULL, 0,
114 &dvbdmxfeed->feed.ts, DMX_OK);
115 return 0;
116 }
117
118 int av7110_av_start_record(struct av7110 *av7110, int av,
119 struct dvb_demux_feed *dvbdmxfeed)
120 {
121 int ret = 0;
122 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
123
124 dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
125
126 if (av7110->playing || (av7110->rec_mode & av))
127 return -EBUSY;
128 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
129 dvbdmx->recording = 1;
130 av7110->rec_mode |= av;
131
132 switch (av7110->rec_mode) {
133 case RP_AUDIO:
134 dvb_filter_pes2ts_init(&av7110->p2t[0],
135 dvbdmx->pesfilter[0]->pid,
136 dvb_filter_pes2ts_cb,
137 (void *) dvbdmx->pesfilter[0]);
138 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
139 break;
140
141 case RP_VIDEO:
142 dvb_filter_pes2ts_init(&av7110->p2t[1],
143 dvbdmx->pesfilter[1]->pid,
144 dvb_filter_pes2ts_cb,
145 (void *) dvbdmx->pesfilter[1]);
146 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
147 break;
148
149 case RP_AV:
150 dvb_filter_pes2ts_init(&av7110->p2t[0],
151 dvbdmx->pesfilter[0]->pid,
152 dvb_filter_pes2ts_cb,
153 (void *) dvbdmx->pesfilter[0]);
154 dvb_filter_pes2ts_init(&av7110->p2t[1],
155 dvbdmx->pesfilter[1]->pid,
156 dvb_filter_pes2ts_cb,
157 (void *) dvbdmx->pesfilter[1]);
158 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
159 break;
160 }
161 return ret;
162 }
163
164 int av7110_av_start_play(struct av7110 *av7110, int av)
165 {
166 int ret = 0;
167 dprintk(2, "av7110:%p, \n", av7110);
168
169 if (av7110->rec_mode)
170 return -EBUSY;
171 if (av7110->playing & av)
172 return -EBUSY;
173
174 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
175
176 if (av7110->playing == RP_NONE) {
177 av7110_ipack_reset(&av7110->ipack[0]);
178 av7110_ipack_reset(&av7110->ipack[1]);
179 }
180
181 av7110->playing |= av;
182 switch (av7110->playing) {
183 case RP_AUDIO:
184 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
185 break;
186 case RP_VIDEO:
187 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
188 av7110->sinfo = 0;
189 break;
190 case RP_AV:
191 av7110->sinfo = 0;
192 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
193 break;
194 }
195 if (!ret)
196 ret = av7110->playing;
197 return ret;
198 }
199
200 int av7110_av_stop(struct av7110 *av7110, int av)
201 {
202 int ret = 0;
203 dprintk(2, "av7110:%p, \n", av7110);
204
205 if (!(av7110->playing & av) && !(av7110->rec_mode & av))
206 return 0;
207 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
208 if (av7110->playing) {
209 av7110->playing &= ~av;
210 switch (av7110->playing) {
211 case RP_AUDIO:
212 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
213 break;
214 case RP_VIDEO:
215 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
216 break;
217 case RP_NONE:
218 ret = av7110_set_vidmode(av7110, av7110->vidmode);
219 break;
220 }
221 } else {
222 av7110->rec_mode &= ~av;
223 switch (av7110->rec_mode) {
224 case RP_AUDIO:
225 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
226 break;
227 case RP_VIDEO:
228 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
229 break;
230 case RP_NONE:
231 break;
232 }
233 }
234 return ret;
235 }
236
237
238 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
239 {
240 int len;
241 u32 sync;
242 u16 blen;
243
244 if (!dlen) {
245 wake_up(&buf->queue);
246 return -1;
247 }
248 while (1) {
249 if ((len = dvb_ringbuffer_avail(buf)) < 6)
250 return -1;
251 sync = DVB_RINGBUFFER_PEEK(buf, 0) << 24;
252 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
253 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
254 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
255
256 if (((sync &~ 0x0f) == 0x000001e0) ||
257 ((sync &~ 0x1f) == 0x000001c0) ||
258 (sync == 0x000001bd))
259 break;
260 printk("resync\n");
261 DVB_RINGBUFFER_SKIP(buf, 1);
262 }
263 blen = DVB_RINGBUFFER_PEEK(buf, 4) << 8;
264 blen |= DVB_RINGBUFFER_PEEK(buf, 5);
265 blen += 6;
266 if (len < blen || blen > dlen) {
267 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
268 wake_up(&buf->queue);
269 return -1;
270 }
271
272 dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
273
274 dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
275 (unsigned long) buf->pread, (unsigned long) buf->pwrite);
276 wake_up(&buf->queue);
277 return blen;
278 }
279
280
281 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
282 {
283 int err, vol, val, balance = 0;
284
285 dprintk(2, "av7110:%p, \n", av7110);
286
287 av7110->mixer.volume_left = volleft;
288 av7110->mixer.volume_right = volright;
289
290 switch (av7110->adac_type) {
291 case DVB_ADAC_TI:
292 volleft = (volleft * 256) / 1036;
293 volright = (volright * 256) / 1036;
294 if (volleft > 0x3f)
295 volleft = 0x3f;
296 if (volright > 0x3f)
297 volright = 0x3f;
298 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
299 return err;
300 return SendDAC(av7110, 4, volright);
301
302 case DVB_ADAC_CRYSTAL:
303 volleft = 127 - volleft / 2;
304 volright = 127 - volright / 2;
305 i2c_writereg(av7110, 0x20, 0x03, volleft);
306 i2c_writereg(av7110, 0x20, 0x04, volright);
307 return 0;
308
309 case DVB_ADAC_MSP34x0:
310 vol = (volleft > volright) ? volleft : volright;
311 val = (vol * 0x73 / 255) << 8;
312 if (vol > 0)
313 balance = ((volright - volleft) * 127) / vol;
314 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
315 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
316 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
317 return 0;
318
319 case DVB_ADAC_MSP34x5:
320 vol = (volleft > volright) ? volleft : volright;
321 val = (vol * 0x73 / 255) << 8;
322 if (vol > 0)
323 balance = ((volright - volleft) * 127) / vol;
324 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
325 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
326 return 0;
327 }
328
329 return 0;
330 }
331
332 int av7110_set_vidmode(struct av7110 *av7110, enum av7110_video_mode mode)
333 {
334 int ret;
335 dprintk(2, "av7110:%p, \n", av7110);
336
337 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
338
339 if (!ret && !av7110->playing) {
340 ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
341 av7110->pids[DMX_PES_AUDIO],
342 av7110->pids[DMX_PES_TELETEXT],
343 0, av7110->pids[DMX_PES_PCR]);
344 if (!ret)
345 ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
346 }
347 return ret;
348 }
349
350
351 static enum av7110_video_mode sw2mode[16] = {
352 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
353 AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_PAL,
354 AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_NTSC,
355 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
356 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
357 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
358 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
359 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
360 };
361
362 static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
363 {
364 int i;
365 int hsize, vsize;
366 int sw;
367 u8 *p;
368 int ret = 0;
369
370 dprintk(2, "av7110:%p, \n", av7110);
371
372 if (av7110->sinfo)
373 return 0;
374 for (i = 7; i < count - 10; i++) {
375 p = buf + i;
376 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
377 continue;
378 p += 4;
379 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
380 vsize = ((p[1] &0x0F) << 8) | (p[2]);
381 sw = (p[3] & 0x0F);
382 ret = av7110_set_vidmode(av7110, sw2mode[sw]);
383 if (!ret) {
384 dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
385 av7110->sinfo = 1;
386 }
387 break;
388 }
389 return ret;
390 }
391
392
393 /****************************************************************************
394 * I/O buffer management and control
395 ****************************************************************************/
396
397 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
398 const u8 *buf, unsigned long count)
399 {
400 unsigned long todo = count;
401 int free;
402
403 while (todo > 0) {
404 if (dvb_ringbuffer_free(rbuf) < 2048) {
405 if (wait_event_interruptible(rbuf->queue,
406 (dvb_ringbuffer_free(rbuf) >= 2048)))
407 return count - todo;
408 }
409 free = dvb_ringbuffer_free(rbuf);
410 if (free > todo)
411 free = todo;
412 dvb_ringbuffer_write(rbuf, buf, free);
413 todo -= free;
414 buf += free;
415 }
416
417 return count - todo;
418 }
419
420 static void play_video_cb(u8 *buf, int count, void *priv)
421 {
422 struct av7110 *av7110 = (struct av7110 *) priv;
423 dprintk(2, "av7110:%p, \n", av7110);
424
425 if ((buf[3] & 0xe0) == 0xe0) {
426 get_video_format(av7110, buf, count);
427 aux_ring_buffer_write(&av7110->avout, buf, count);
428 } else
429 aux_ring_buffer_write(&av7110->aout, buf, count);
430 }
431
432 static void play_audio_cb(u8 *buf, int count, void *priv)
433 {
434 struct av7110 *av7110 = (struct av7110 *) priv;
435 dprintk(2, "av7110:%p, \n", av7110);
436
437 aux_ring_buffer_write(&av7110->aout, buf, count);
438 }
439
440 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
441 dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
442
443 static ssize_t dvb_play(struct av7110 *av7110, const char __user *buf,
444 unsigned long count, int nonblock, int type)
445 {
446 unsigned long todo = count, n;
447 dprintk(2, "av7110:%p, \n", av7110);
448
449 if (!av7110->kbuf[type])
450 return -ENOBUFS;
451
452 if (nonblock && !FREE_COND)
453 return -EWOULDBLOCK;
454
455 while (todo > 0) {
456 if (!FREE_COND) {
457 if (nonblock)
458 return count - todo;
459 if (wait_event_interruptible(av7110->avout.queue,
460 FREE_COND))
461 return count - todo;
462 }
463 n = todo;
464 if (n > IPACKS * 2)
465 n = IPACKS * 2;
466 if (copy_from_user(av7110->kbuf[type], buf, n))
467 return -EFAULT;
468 av7110_ipack_instant_repack(av7110->kbuf[type], n,
469 &av7110->ipack[type]);
470 todo -= n;
471 buf += n;
472 }
473 return count - todo;
474 }
475
476 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
477 unsigned long count, int nonblock, int type)
478 {
479 unsigned long todo = count, n;
480 dprintk(2, "av7110:%p, \n", av7110);
481
482 if (!av7110->kbuf[type])
483 return -ENOBUFS;
484
485 if (nonblock && !FREE_COND)
486 return -EWOULDBLOCK;
487
488 while (todo > 0) {
489 if (!FREE_COND) {
490 if (nonblock)
491 return count - todo;
492 if (wait_event_interruptible(av7110->avout.queue,
493 FREE_COND))
494 return count - todo;
495 }
496 n = todo;
497 if (n > IPACKS * 2)
498 n = IPACKS * 2;
499 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
500 todo -= n;
501 buf += n;
502 }
503 return count - todo;
504 }
505
506 static ssize_t dvb_aplay(struct av7110 *av7110, const char __user *buf,
507 unsigned long count, int nonblock, int type)
508 {
509 unsigned long todo = count, n;
510 dprintk(2, "av7110:%p, \n", av7110);
511
512 if (!av7110->kbuf[type])
513 return -ENOBUFS;
514 if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
515 return -EWOULDBLOCK;
516
517 while (todo > 0) {
518 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
519 if (nonblock)
520 return count - todo;
521 if (wait_event_interruptible(av7110->aout.queue,
522 (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
523 return count-todo;
524 }
525 n = todo;
526 if (n > IPACKS * 2)
527 n = IPACKS * 2;
528 if (copy_from_user(av7110->kbuf[type], buf, n))
529 return -EFAULT;
530 av7110_ipack_instant_repack(av7110->kbuf[type], n,
531 &av7110->ipack[type]);
532 todo -= n;
533 buf += n;
534 }
535 return count - todo;
536 }
537
538 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
539 {
540 memset(p->pes, 0, TS_SIZE);
541 p->counter = 0;
542 p->pos = 0;
543 p->frags = 0;
544 if (feed)
545 p->feed = feed;
546 }
547
548 static void clear_p2t(struct av7110_p2t *p)
549 {
550 memset(p->pes, 0, TS_SIZE);
551 // p->counter = 0;
552 p->pos = 0;
553 p->frags = 0;
554 }
555
556
557 static int find_pes_header(u8 const *buf, long int length, int *frags)
558 {
559 int c = 0;
560 int found = 0;
561
562 *frags = 0;
563
564 while (c < length - 3 && !found) {
565 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
566 buf[c + 2] == 0x01) {
567 switch ( buf[c + 3] ) {
568 case PROG_STREAM_MAP:
569 case PRIVATE_STREAM2:
570 case PROG_STREAM_DIR:
571 case ECM_STREAM :
572 case EMM_STREAM :
573 case PADDING_STREAM :
574 case DSM_CC_STREAM :
575 case ISO13522_STREAM:
576 case PRIVATE_STREAM1:
577 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
578 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
579 found = 1;
580 break;
581
582 default:
583 c++;
584 break;
585 }
586 } else
587 c++;
588 }
589 if (c == length - 3 && !found) {
590 if (buf[length - 1] == 0x00)
591 *frags = 1;
592 if (buf[length - 2] == 0x00 &&
593 buf[length - 1] == 0x00)
594 *frags = 2;
595 if (buf[length - 3] == 0x00 &&
596 buf[length - 2] == 0x00 &&
597 buf[length - 1] == 0x01)
598 *frags = 3;
599 return -1;
600 }
601
602 return c;
603 }
604
605 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
606 {
607 int c, c2, l, add;
608 int check, rest;
609
610 c = 0;
611 c2 = 0;
612 if (p->frags){
613 check = 0;
614 switch(p->frags) {
615 case 1:
616 if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
617 check = 1;
618 c += 2;
619 }
620 break;
621 case 2:
622 if (buf[c] == 0x01) {
623 check = 1;
624 c++;
625 }
626 break;
627 case 3:
628 check = 1;
629 }
630 if (check) {
631 switch (buf[c]) {
632 case PROG_STREAM_MAP:
633 case PRIVATE_STREAM2:
634 case PROG_STREAM_DIR:
635 case ECM_STREAM :
636 case EMM_STREAM :
637 case PADDING_STREAM :
638 case DSM_CC_STREAM :
639 case ISO13522_STREAM:
640 case PRIVATE_STREAM1:
641 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
642 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
643 p->pes[0] = 0x00;
644 p->pes[1] = 0x00;
645 p->pes[2] = 0x01;
646 p->pes[3] = buf[c];
647 p->pos = 4;
648 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
649 c += (TS_SIZE - 4) - p->pos;
650 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
651 clear_p2t(p);
652 break;
653
654 default:
655 c = 0;
656 break;
657 }
658 }
659 p->frags = 0;
660 }
661
662 if (p->pos) {
663 c2 = find_pes_header(buf + c, length - c, &p->frags);
664 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
665 l = c2+c;
666 else
667 l = (TS_SIZE - 4) - p->pos;
668 memcpy(p->pes + p->pos, buf, l);
669 c += l;
670 p->pos += l;
671 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
672 clear_p2t(p);
673 }
674
675 add = 0;
676 while (c < length) {
677 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
678 if (c2 >= 0) {
679 c2 += c + add;
680 if (c2 > c){
681 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
682 c = c2;
683 clear_p2t(p);
684 add = 0;
685 } else
686 add = 1;
687 } else {
688 l = length - c;
689 rest = l % (TS_SIZE - 4);
690 l -= rest;
691 p_to_t(buf + c, l, pid, &p->counter, p->feed);
692 memcpy(p->pes, buf + c + l, rest);
693 p->pos = rest;
694 c = length;
695 }
696 }
697 }
698
699
700 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
701 {
702 int i;
703 int c = 0;
704 int fill;
705 u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
706
707 fill = (TS_SIZE - 4) - length;
708 if (pes_start)
709 tshead[1] = 0x40;
710 if (fill)
711 tshead[3] = 0x30;
712 tshead[1] |= (u8)((pid & 0x1F00) >> 8);
713 tshead[2] |= (u8)(pid & 0x00FF);
714 tshead[3] |= ((*counter)++ & 0x0F);
715 memcpy(buf, tshead, 4);
716 c += 4;
717
718 if (fill) {
719 buf[4] = fill - 1;
720 c++;
721 if (fill > 1) {
722 buf[5] = 0x00;
723 c++;
724 }
725 for (i = 6; i < fill + 4; i++) {
726 buf[i] = 0xFF;
727 c++;
728 }
729 }
730
731 return c;
732 }
733
734
735 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
736 struct dvb_demux_feed *feed)
737 {
738 int l, pes_start;
739 u8 obuf[TS_SIZE];
740 long c = 0;
741
742 pes_start = 0;
743 if (length > 3 &&
744 buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
745 switch (buf[3]) {
746 case PROG_STREAM_MAP:
747 case PRIVATE_STREAM2:
748 case PROG_STREAM_DIR:
749 case ECM_STREAM :
750 case EMM_STREAM :
751 case PADDING_STREAM :
752 case DSM_CC_STREAM :
753 case ISO13522_STREAM:
754 case PRIVATE_STREAM1:
755 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
756 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
757 pes_start = 1;
758 break;
759
760 default:
761 break;
762 }
763
764 while (c < length) {
765 memset(obuf, 0, TS_SIZE);
766 if (length - c >= (TS_SIZE - 4)){
767 l = write_ts_header2(pid, counter, pes_start,
768 obuf, (TS_SIZE - 4));
769 memcpy(obuf + l, buf + c, TS_SIZE - l);
770 c += TS_SIZE - l;
771 } else {
772 l = write_ts_header2(pid, counter, pes_start,
773 obuf, length - c);
774 memcpy(obuf + l, buf + c, TS_SIZE - l);
775 c = length;
776 }
777 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
778 pes_start = 0;
779 }
780 }
781
782
783 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
784 {
785 struct dvb_demux *demux = feed->demux;
786 struct av7110 *av7110 = (struct av7110 *) demux->priv;
787 struct ipack *ipack = &av7110->ipack[feed->pes_type];
788
789 dprintk(2, "av7110:%p, \n", av7110);
790
791 switch (feed->pes_type) {
792 case 0:
793 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
794 return -EINVAL;
795 break;
796 case 1:
797 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
798 return -EINVAL;
799 break;
800 default:
801 return -1;
802 }
803
804 if (!(buf[3] & 0x10)) /* no payload? */
805 return -1;
806 if (buf[1] & 0x40)
807 av7110_ipack_flush(ipack);
808
809 if (buf[3] & 0x20) { /* adaptation field? */
810 len -= buf[4] + 1;
811 buf += buf[4] + 1;
812 if (!len)
813 return 0;
814 }
815
816 av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
817 return 0;
818 }
819
820
821
822 /******************************************************************************
823 * Video MPEG decoder events
824 ******************************************************************************/
825 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
826 {
827 struct dvb_video_events *events = &av7110->video_events;
828 int wp;
829
830 spin_lock_bh(&events->lock);
831
832 wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
833 if (wp == events->eventr) {
834 events->overflow = 1;
835 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
836 }
837
838 //FIXME: timestamp?
839 memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
840 events->eventw = wp;
841
842 spin_unlock_bh(&events->lock);
843
844 wake_up_interruptible(&events->wait_queue);
845 }
846
847
848 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
849 {
850 struct dvb_video_events *events = &av7110->video_events;
851
852 if (events->overflow) {
853 events->overflow = 0;
854 return -EOVERFLOW;
855 }
856 if (events->eventw == events->eventr) {
857 int ret;
858
859 if (flags & O_NONBLOCK)
860 return -EWOULDBLOCK;
861
862 ret = wait_event_interruptible(events->wait_queue,
863 events->eventw != events->eventr);
864 if (ret < 0)
865 return ret;
866 }
867
868 spin_lock_bh(&events->lock);
869
870 memcpy(event, &events->events[events->eventr],
871 sizeof(struct video_event));
872 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
873
874 spin_unlock_bh(&events->lock);
875
876 return 0;
877 }
878
879
880 /******************************************************************************
881 * DVB device file operations
882 ******************************************************************************/
883
884 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
885 {
886 struct dvb_device *dvbdev = file->private_data;
887 struct av7110 *av7110 = dvbdev->priv;
888 unsigned int mask = 0;
889
890 dprintk(2, "av7110:%p, \n", av7110);
891
892 if ((file->f_flags & O_ACCMODE) != O_RDONLY)
893 poll_wait(file, &av7110->avout.queue, wait);
894
895 poll_wait(file, &av7110->video_events.wait_queue, wait);
896
897 if (av7110->video_events.eventw != av7110->video_events.eventr)
898 mask = POLLPRI;
899
900 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
901 if (av7110->playing) {
902 if (FREE_COND)
903 mask |= (POLLOUT | POLLWRNORM);
904 } else /* if not playing: may play if asked for */
905 mask |= (POLLOUT | POLLWRNORM);
906 }
907
908 return mask;
909 }
910
911 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
912 size_t count, loff_t *ppos)
913 {
914 struct dvb_device *dvbdev = file->private_data;
915 struct av7110 *av7110 = dvbdev->priv;
916
917 dprintk(2, "av7110:%p, \n", av7110);
918
919 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
920 return -EPERM;
921
922 if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
923 return -EPERM;
924
925 return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
926 }
927
928 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
929 {
930 struct dvb_device *dvbdev = file->private_data;
931 struct av7110 *av7110 = dvbdev->priv;
932 unsigned int mask = 0;
933
934 dprintk(2, "av7110:%p, \n", av7110);
935
936 poll_wait(file, &av7110->aout.queue, wait);
937
938 if (av7110->playing) {
939 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
940 mask |= (POLLOUT | POLLWRNORM);
941 } else /* if not playing: may play if asked for */
942 mask = (POLLOUT | POLLWRNORM);
943
944 return mask;
945 }
946
947 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
948 size_t count, loff_t *ppos)
949 {
950 struct dvb_device *dvbdev = file->private_data;
951 struct av7110 *av7110 = dvbdev->priv;
952
953 dprintk(2, "av7110:%p, \n", av7110);
954
955 if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
956 printk(KERN_ERR "not audio source memory\n");
957 return -EPERM;
958 }
959 return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
960 }
961
962 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
963
964 #define MIN_IFRAME 400000
965
966 static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock)
967 {
968 int i, n;
969 int progressive = 0;
970
971 dprintk(2, "av7110:%p, \n", av7110);
972
973 if (!(av7110->playing & RP_VIDEO)) {
974 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
975 return -EBUSY;
976 }
977
978 for (i = 0; i < len - 5; i++) {
979 /* get progressive flag from picture extension */
980 if (buf[i] == 0x00 && buf[i+1] == 0x00 &&
981 buf[i+2] == 0x01 && (unsigned char)buf[i+3] == 0xb5 &&
982 (buf[i+4] & 0xf0) == 0x10)
983 progressive = buf[i+5] & 0x08;
984 }
985
986 /* setting n always > 1, fixes problems when playing stillframes
987 consisting of I- and P-Frames */
988 n = MIN_IFRAME / len + 1;
989
990 /* FIXME: nonblock? */
991 dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
992
993 for (i = 0; i < n; i++)
994 dvb_play(av7110, buf, len, 0, 1);
995
996 av7110_ipack_flush(&av7110->ipack[1]);
997
998 if (progressive)
999 return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1000 else
1001 return 0;
1002 }
1003
1004
1005 static int dvb_video_ioctl(struct inode *inode, struct file *file,
1006 unsigned int cmd, void *parg)
1007 {
1008 struct dvb_device *dvbdev = file->private_data;
1009 struct av7110 *av7110 = dvbdev->priv;
1010 unsigned long arg = (unsigned long) parg;
1011 int ret = 0;
1012
1013 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1014
1015 if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
1016 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
1017 cmd != VIDEO_GET_SIZE ) {
1018 return -EPERM;
1019 }
1020 }
1021
1022 switch (cmd) {
1023 case VIDEO_STOP:
1024 av7110->videostate.play_state = VIDEO_STOPPED;
1025 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1026 ret = av7110_av_stop(av7110, RP_VIDEO);
1027 else
1028 ret = vidcom(av7110, AV_VIDEO_CMD_STOP,
1029 av7110->videostate.video_blank ? 0 : 1);
1030 if (!ret)
1031 av7110->trickmode = TRICK_NONE;
1032 break;
1033
1034 case VIDEO_PLAY:
1035 av7110->trickmode = TRICK_NONE;
1036 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1037 av7110->videostate.play_state = VIDEO_PLAYING;
1038 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1039 if (ret)
1040 break;
1041 }
1042
1043 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1044 if (av7110->playing == RP_AV) {
1045 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1046 if (ret)
1047 break;
1048 av7110->playing &= ~RP_VIDEO;
1049 }
1050 ret = av7110_av_start_play(av7110, RP_VIDEO);
1051 }
1052 if (!ret)
1053 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1054 if (!ret)
1055 av7110->videostate.play_state = VIDEO_PLAYING;
1056 break;
1057
1058 case VIDEO_FREEZE:
1059 av7110->videostate.play_state = VIDEO_FREEZED;
1060 if (av7110->playing & RP_VIDEO)
1061 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1062 else
1063 ret = vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1064 if (!ret)
1065 av7110->trickmode = TRICK_FREEZE;
1066 break;
1067
1068 case VIDEO_CONTINUE:
1069 if (av7110->playing & RP_VIDEO)
1070 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1071 if (!ret)
1072 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1073 if (!ret) {
1074 av7110->videostate.play_state = VIDEO_PLAYING;
1075 av7110->trickmode = TRICK_NONE;
1076 }
1077 break;
1078
1079 case VIDEO_SELECT_SOURCE:
1080 av7110->videostate.stream_source = (video_stream_source_t) arg;
1081 break;
1082
1083 case VIDEO_SET_BLANK:
1084 av7110->videostate.video_blank = (int) arg;
1085 break;
1086
1087 case VIDEO_GET_STATUS:
1088 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1089 break;
1090
1091 case VIDEO_GET_EVENT:
1092 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1093 break;
1094
1095 case VIDEO_GET_SIZE:
1096 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1097 break;
1098
1099 case VIDEO_SET_DISPLAY_FORMAT:
1100 {
1101 video_displayformat_t format = (video_displayformat_t) arg;
1102
1103 switch (format) {
1104 case VIDEO_PAN_SCAN:
1105 av7110->display_panscan = VID_PAN_SCAN_PREF;
1106 break;
1107
1108 case VIDEO_LETTER_BOX:
1109 av7110->display_panscan = VID_VC_AND_PS_PREF;
1110 break;
1111
1112 case VIDEO_CENTER_CUT_OUT:
1113 av7110->display_panscan = VID_CENTRE_CUT_PREF;
1114 break;
1115
1116 default:
1117 ret = -EINVAL;
1118 }
1119 if (ret < 0)
1120 break;
1121 av7110->videostate.display_format = format;
1122 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1123 1, av7110->display_panscan);
1124 break;
1125 }
1126
1127 case VIDEO_SET_FORMAT:
1128 if (arg > 1) {
1129 ret = -EINVAL;
1130 break;
1131 }
1132 av7110->display_ar = arg;
1133 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1134 1, (u16) arg);
1135 break;
1136
1137 case VIDEO_STILLPICTURE:
1138 {
1139 struct video_still_picture *pic =
1140 (struct video_still_picture *) parg;
1141 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1142 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1143 ret = play_iframe(av7110, pic->iFrame, pic->size,
1144 file->f_flags & O_NONBLOCK);
1145 break;
1146 }
1147
1148 case VIDEO_FAST_FORWARD:
1149 //note: arg is ignored by firmware
1150 if (av7110->playing & RP_VIDEO)
1151 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1152 __Scan_I, 2, AV_PES, 0);
1153 else
1154 ret = vidcom(av7110, AV_VIDEO_CMD_FFWD, arg);
1155 if (!ret) {
1156 av7110->trickmode = TRICK_FAST;
1157 av7110->videostate.play_state = VIDEO_PLAYING;
1158 }
1159 break;
1160
1161 case VIDEO_SLOWMOTION:
1162 if (av7110->playing&RP_VIDEO) {
1163 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1164 if (!ret)
1165 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1166 } else {
1167 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1168 if (!ret)
1169 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0);
1170 if (!ret)
1171 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1172 }
1173 if (!ret) {
1174 av7110->trickmode = TRICK_SLOW;
1175 av7110->videostate.play_state = VIDEO_PLAYING;
1176 }
1177 break;
1178
1179 case VIDEO_GET_CAPABILITIES:
1180 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1181 VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1182 break;
1183
1184 case VIDEO_CLEAR_BUFFER:
1185 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1186 av7110_ipack_reset(&av7110->ipack[1]);
1187
1188 if (av7110->playing == RP_AV) {
1189 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1190 __Play, 2, AV_PES, 0);
1191 if (ret)
1192 break;
1193 if (av7110->trickmode == TRICK_FAST)
1194 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1195 __Scan_I, 2, AV_PES, 0);
1196 if (av7110->trickmode == TRICK_SLOW) {
1197 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1198 __Slow, 2, 0, 0);
1199 if (!ret)
1200 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1201 }
1202 if (av7110->trickmode == TRICK_FREEZE)
1203 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1);
1204 }
1205 break;
1206
1207 case VIDEO_SET_STREAMTYPE:
1208
1209 break;
1210
1211 default:
1212 ret = -ENOIOCTLCMD;
1213 break;
1214 }
1215 return ret;
1216 }
1217
1218 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1219 unsigned int cmd, void *parg)
1220 {
1221 struct dvb_device *dvbdev = file->private_data;
1222 struct av7110 *av7110 = dvbdev->priv;
1223 unsigned long arg = (unsigned long) parg;
1224 int ret = 0;
1225
1226 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1227
1228 if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1229 (cmd != AUDIO_GET_STATUS))
1230 return -EPERM;
1231
1232 switch (cmd) {
1233 case AUDIO_STOP:
1234 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1235 ret = av7110_av_stop(av7110, RP_AUDIO);
1236 else
1237 ret = audcom(av7110, AUDIO_CMD_MUTE);
1238 if (!ret)
1239 av7110->audiostate.play_state = AUDIO_STOPPED;
1240 break;
1241
1242 case AUDIO_PLAY:
1243 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1244 ret = av7110_av_start_play(av7110, RP_AUDIO);
1245 if (!ret)
1246 ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1247 if (!ret)
1248 av7110->audiostate.play_state = AUDIO_PLAYING;
1249 break;
1250
1251 case AUDIO_PAUSE:
1252 ret = audcom(av7110, AUDIO_CMD_MUTE);
1253 if (!ret)
1254 av7110->audiostate.play_state = AUDIO_PAUSED;
1255 break;
1256
1257 case AUDIO_CONTINUE:
1258 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1259 av7110->audiostate.play_state = AUDIO_PLAYING;
1260 ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1261 }
1262 break;
1263
1264 case AUDIO_SELECT_SOURCE:
1265 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1266 break;
1267
1268 case AUDIO_SET_MUTE:
1269 {
1270 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1271 if (!ret)
1272 av7110->audiostate.mute_state = (int) arg;
1273 break;
1274 }
1275
1276 case AUDIO_SET_AV_SYNC:
1277 av7110->audiostate.AV_sync_state = (int) arg;
1278 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1279 break;
1280
1281 case AUDIO_SET_BYPASS_MODE:
1282 if (FW_VERSION(av7110->arm_app) < 0x2621)
1283 ret = -EINVAL;
1284 av7110->audiostate.bypass_mode = (int)arg;
1285 break;
1286
1287 case AUDIO_CHANNEL_SELECT:
1288 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1289
1290 switch(av7110->audiostate.channel_select) {
1291 case AUDIO_STEREO:
1292 ret = audcom(av7110, AUDIO_CMD_STEREO);
1293 if (!ret) {
1294 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1295 i2c_writereg(av7110, 0x20, 0x02, 0x49);
1296 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1297 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
1298 }
1299 break;
1300
1301 case AUDIO_MONO_LEFT:
1302 ret = audcom(av7110, AUDIO_CMD_MONO_L);
1303 if (!ret) {
1304 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1305 i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1306 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1307 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
1308 }
1309 break;
1310
1311 case AUDIO_MONO_RIGHT:
1312 ret = audcom(av7110, AUDIO_CMD_MONO_R);
1313 if (!ret) {
1314 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1315 i2c_writereg(av7110, 0x20, 0x02, 0x45);
1316 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1317 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
1318 }
1319 break;
1320
1321 default:
1322 ret = -EINVAL;
1323 break;
1324 }
1325 break;
1326
1327 case AUDIO_GET_STATUS:
1328 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1329 break;
1330
1331 case AUDIO_GET_CAPABILITIES:
1332 if (FW_VERSION(av7110->arm_app) < 0x2621)
1333 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1334 else
1335 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
1336 AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1337 break;
1338
1339 case AUDIO_CLEAR_BUFFER:
1340 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1341 av7110_ipack_reset(&av7110->ipack[0]);
1342 if (av7110->playing == RP_AV)
1343 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1344 __Play, 2, AV_PES, 0);
1345 break;
1346 case AUDIO_SET_ID:
1347
1348 break;
1349 case AUDIO_SET_MIXER:
1350 {
1351 struct audio_mixer *amix = (struct audio_mixer *)parg;
1352
1353 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1354 break;
1355 }
1356 case AUDIO_SET_STREAMTYPE:
1357 break;
1358 default:
1359 ret = -ENOIOCTLCMD;
1360 }
1361 return ret;
1362 }
1363
1364
1365 static int dvb_video_open(struct inode *inode, struct file *file)
1366 {
1367 struct dvb_device *dvbdev = file->private_data;
1368 struct av7110 *av7110 = dvbdev->priv;
1369 int err;
1370
1371 dprintk(2, "av7110:%p, \n", av7110);
1372
1373 if ((err = dvb_generic_open(inode, file)) < 0)
1374 return err;
1375
1376 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1377 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1378 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1379 av7110->video_blank = 1;
1380 av7110->audiostate.AV_sync_state = 1;
1381 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1382
1383 /* empty event queue */
1384 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1385 }
1386
1387 return 0;
1388 }
1389
1390 static int dvb_video_release(struct inode *inode, struct file *file)
1391 {
1392 struct dvb_device *dvbdev = file->private_data;
1393 struct av7110 *av7110 = dvbdev->priv;
1394
1395 dprintk(2, "av7110:%p, \n", av7110);
1396
1397 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1398 av7110_av_stop(av7110, RP_VIDEO);
1399 }
1400
1401 return dvb_generic_release(inode, file);
1402 }
1403
1404 static int dvb_audio_open(struct inode *inode, struct file *file)
1405 {
1406 struct dvb_device *dvbdev = file->private_data;
1407 struct av7110 *av7110 = dvbdev->priv;
1408 int err = dvb_generic_open(inode, file);
1409
1410 dprintk(2, "av7110:%p, \n", av7110);
1411
1412 if (err < 0)
1413 return err;
1414 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1415 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1416 return 0;
1417 }
1418
1419 static int dvb_audio_release(struct inode *inode, struct file *file)
1420 {
1421 struct dvb_device *dvbdev = file->private_data;
1422 struct av7110 *av7110 = dvbdev->priv;
1423
1424 dprintk(2, "av7110:%p, \n", av7110);
1425
1426 av7110_av_stop(av7110, RP_AUDIO);
1427 return dvb_generic_release(inode, file);
1428 }
1429
1430
1431
1432 /******************************************************************************
1433 * driver registration
1434 ******************************************************************************/
1435
1436 static struct file_operations dvb_video_fops = {
1437 .owner = THIS_MODULE,
1438 .write = dvb_video_write,
1439 .ioctl = dvb_generic_ioctl,
1440 .open = dvb_video_open,
1441 .release = dvb_video_release,
1442 .poll = dvb_video_poll,
1443 };
1444
1445 static struct dvb_device dvbdev_video = {
1446 .priv = NULL,
1447 .users = 6,
1448 .readers = 5, /* arbitrary */
1449 .writers = 1,
1450 .fops = &dvb_video_fops,
1451 .kernel_ioctl = dvb_video_ioctl,
1452 };
1453
1454 static struct file_operations dvb_audio_fops = {
1455 .owner = THIS_MODULE,
1456 .write = dvb_audio_write,
1457 .ioctl = dvb_generic_ioctl,
1458 .open = dvb_audio_open,
1459 .release = dvb_audio_release,
1460 .poll = dvb_audio_poll,
1461 };
1462
1463 static struct dvb_device dvbdev_audio = {
1464 .priv = NULL,
1465 .users = 1,
1466 .writers = 1,
1467 .fops = &dvb_audio_fops,
1468 .kernel_ioctl = dvb_audio_ioctl,
1469 };
1470
1471
1472 int av7110_av_register(struct av7110 *av7110)
1473 {
1474 av7110->audiostate.AV_sync_state = 0;
1475 av7110->audiostate.mute_state = 0;
1476 av7110->audiostate.play_state = AUDIO_STOPPED;
1477 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1478 av7110->audiostate.channel_select = AUDIO_STEREO;
1479 av7110->audiostate.bypass_mode = 0;
1480
1481 av7110->videostate.video_blank = 0;
1482 av7110->videostate.play_state = VIDEO_STOPPED;
1483 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1484 av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1485 av7110->videostate.display_format = VIDEO_LETTER_BOX;
1486 av7110->display_ar = VIDEO_FORMAT_4_3;
1487 av7110->display_panscan = VID_VC_AND_PS_PREF;
1488
1489 init_waitqueue_head(&av7110->video_events.wait_queue);
1490 spin_lock_init(&av7110->video_events.lock);
1491 av7110->video_events.eventw = av7110->video_events.eventr = 0;
1492 av7110->video_events.overflow = 0;
1493 memset(&av7110->video_size, 0, sizeof (video_size_t));
1494
1495 dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1496 &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1497
1498 dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1499 &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1500
1501 return 0;
1502 }
1503
1504 void av7110_av_unregister(struct av7110 *av7110)
1505 {
1506 dvb_unregister_device(av7110->audio_dev);
1507 dvb_unregister_device(av7110->video_dev);
1508 }
1509
1510 int av7110_av_init(struct av7110 *av7110)
1511 {
1512 void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1513 int i, ret;
1514
1515 for (i = 0; i < 2; i++) {
1516 struct ipack *ipack = av7110->ipack + i;
1517
1518 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1519 if (ret < 0) {
1520 if (i)
1521 av7110_ipack_free(--ipack);
1522 goto out;
1523 }
1524 ipack->data = av7110;
1525 }
1526
1527 dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1528 dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1529
1530 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1531 av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1532 out:
1533 return ret;
1534 }
1535
1536 void av7110_av_exit(struct av7110 *av7110)
1537 {
1538 av7110_ipack_free(&av7110->ipack[0]);
1539 av7110_ipack_free(&av7110->ipack[1]);
1540 }
Linux kernel - Deliverables
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