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[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);
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 if (av7110->full_ts && demux->dmx.frontend->source != DMX_MEMORY_FE)
792 return 0;
793
794 switch (feed->pes_type) {
795 case 0:
796 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
797 return -EINVAL;
798 break;
799 case 1:
800 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
801 return -EINVAL;
802 break;
803 default:
804 return -1;
805 }
806
807 if (!(buf[3] & 0x10)) /* no payload? */
808 return -1;
809 if (buf[1] & 0x40)
810 av7110_ipack_flush(ipack);
811
812 if (buf[3] & 0x20) { /* adaptation field? */
813 len -= buf[4] + 1;
814 buf += buf[4] + 1;
815 if (!len)
816 return 0;
817 }
818
819 av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
820 return 0;
821 }
822
823
824
825 /******************************************************************************
826 * Video MPEG decoder events
827 ******************************************************************************/
828 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
829 {
830 struct dvb_video_events *events = &av7110->video_events;
831 int wp;
832
833 spin_lock_bh(&events->lock);
834
835 wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
836 if (wp == events->eventr) {
837 events->overflow = 1;
838 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
839 }
840
841 //FIXME: timestamp?
842 memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
843 events->eventw = wp;
844
845 spin_unlock_bh(&events->lock);
846
847 wake_up_interruptible(&events->wait_queue);
848 }
849
850
851 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
852 {
853 struct dvb_video_events *events = &av7110->video_events;
854
855 if (events->overflow) {
856 events->overflow = 0;
857 return -EOVERFLOW;
858 }
859 if (events->eventw == events->eventr) {
860 int ret;
861
862 if (flags & O_NONBLOCK)
863 return -EWOULDBLOCK;
864
865 ret = wait_event_interruptible(events->wait_queue,
866 events->eventw != events->eventr);
867 if (ret < 0)
868 return ret;
869 }
870
871 spin_lock_bh(&events->lock);
872
873 memcpy(event, &events->events[events->eventr],
874 sizeof(struct video_event));
875 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
876
877 spin_unlock_bh(&events->lock);
878
879 return 0;
880 }
881
882
883 /******************************************************************************
884 * DVB device file operations
885 ******************************************************************************/
886
887 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
888 {
889 struct dvb_device *dvbdev = file->private_data;
890 struct av7110 *av7110 = dvbdev->priv;
891 unsigned int mask = 0;
892
893 dprintk(2, "av7110:%p, \n", av7110);
894
895 if ((file->f_flags & O_ACCMODE) != O_RDONLY)
896 poll_wait(file, &av7110->avout.queue, wait);
897
898 poll_wait(file, &av7110->video_events.wait_queue, wait);
899
900 if (av7110->video_events.eventw != av7110->video_events.eventr)
901 mask = POLLPRI;
902
903 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
904 if (av7110->playing) {
905 if (FREE_COND)
906 mask |= (POLLOUT | POLLWRNORM);
907 } else /* if not playing: may play if asked for */
908 mask |= (POLLOUT | POLLWRNORM);
909 }
910
911 return mask;
912 }
913
914 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
915 size_t count, loff_t *ppos)
916 {
917 struct dvb_device *dvbdev = file->private_data;
918 struct av7110 *av7110 = dvbdev->priv;
919
920 dprintk(2, "av7110:%p, \n", av7110);
921
922 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
923 return -EPERM;
924
925 if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
926 return -EPERM;
927
928 return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
929 }
930
931 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
932 {
933 struct dvb_device *dvbdev = file->private_data;
934 struct av7110 *av7110 = dvbdev->priv;
935 unsigned int mask = 0;
936
937 dprintk(2, "av7110:%p, \n", av7110);
938
939 poll_wait(file, &av7110->aout.queue, wait);
940
941 if (av7110->playing) {
942 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
943 mask |= (POLLOUT | POLLWRNORM);
944 } else /* if not playing: may play if asked for */
945 mask = (POLLOUT | POLLWRNORM);
946
947 return mask;
948 }
949
950 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
951 size_t count, loff_t *ppos)
952 {
953 struct dvb_device *dvbdev = file->private_data;
954 struct av7110 *av7110 = dvbdev->priv;
955
956 dprintk(2, "av7110:%p, \n", av7110);
957
958 if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
959 printk(KERN_ERR "not audio source memory\n");
960 return -EPERM;
961 }
962 return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
963 }
964
965 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
966
967 #define MIN_IFRAME 400000
968
969 static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock)
970 {
971 unsigned i, n;
972 int progressive = 0;
973 int match = 0;
974
975 dprintk(2, "av7110:%p, \n", av7110);
976
977 if (!(av7110->playing & RP_VIDEO)) {
978 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
979 return -EBUSY;
980 }
981
982 /* search in buf for instances of 00 00 01 b5 1? */
983 for (i = 0; i < len; i++) {
984 unsigned char c;
985 if (get_user(c, buf + i))
986 return -EFAULT;
987 if (match == 5) {
988 progressive = c & 0x08;
989 match = 0;
990 }
991 if (c == 0x00) {
992 match = (match == 1 || match == 2) ? 2 : 1;
993 continue;
994 }
995 switch (match++) {
996 case 2: if (c == 0x01)
997 continue;
998 break;
999 case 3: if (c == 0xb5)
1000 continue;
1001 break;
1002 case 4: if ((c & 0xf0) == 0x10)
1003 continue;
1004 break;
1005 }
1006 match = 0;
1007 }
1008
1009 /* setting n always > 1, fixes problems when playing stillframes
1010 consisting of I- and P-Frames */
1011 n = MIN_IFRAME / len + 1;
1012
1013 /* FIXME: nonblock? */
1014 dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
1015
1016 for (i = 0; i < n; i++)
1017 dvb_play(av7110, buf, len, 0, 1);
1018
1019 av7110_ipack_flush(&av7110->ipack[1]);
1020
1021 if (progressive)
1022 return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1023 else
1024 return 0;
1025 }
1026
1027
1028 static int dvb_video_ioctl(struct inode *inode, struct file *file,
1029 unsigned int cmd, void *parg)
1030 {
1031 struct dvb_device *dvbdev = file->private_data;
1032 struct av7110 *av7110 = dvbdev->priv;
1033 unsigned long arg = (unsigned long) parg;
1034 int ret = 0;
1035
1036 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1037
1038 if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
1039 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
1040 cmd != VIDEO_GET_SIZE ) {
1041 return -EPERM;
1042 }
1043 }
1044
1045 switch (cmd) {
1046 case VIDEO_STOP:
1047 av7110->videostate.play_state = VIDEO_STOPPED;
1048 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1049 ret = av7110_av_stop(av7110, RP_VIDEO);
1050 else
1051 ret = vidcom(av7110, AV_VIDEO_CMD_STOP,
1052 av7110->videostate.video_blank ? 0 : 1);
1053 if (!ret)
1054 av7110->trickmode = TRICK_NONE;
1055 break;
1056
1057 case VIDEO_PLAY:
1058 av7110->trickmode = TRICK_NONE;
1059 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1060 av7110->videostate.play_state = VIDEO_PLAYING;
1061 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1062 if (ret)
1063 break;
1064 }
1065
1066 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1067 if (av7110->playing == RP_AV) {
1068 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1069 if (ret)
1070 break;
1071 av7110->playing &= ~RP_VIDEO;
1072 }
1073 ret = av7110_av_start_play(av7110, RP_VIDEO);
1074 }
1075 if (!ret)
1076 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1077 if (!ret)
1078 av7110->videostate.play_state = VIDEO_PLAYING;
1079 break;
1080
1081 case VIDEO_FREEZE:
1082 av7110->videostate.play_state = VIDEO_FREEZED;
1083 if (av7110->playing & RP_VIDEO)
1084 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1085 else
1086 ret = vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1087 if (!ret)
1088 av7110->trickmode = TRICK_FREEZE;
1089 break;
1090
1091 case VIDEO_CONTINUE:
1092 if (av7110->playing & RP_VIDEO)
1093 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1094 if (!ret)
1095 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1096 if (!ret) {
1097 av7110->videostate.play_state = VIDEO_PLAYING;
1098 av7110->trickmode = TRICK_NONE;
1099 }
1100 break;
1101
1102 case VIDEO_SELECT_SOURCE:
1103 av7110->videostate.stream_source = (video_stream_source_t) arg;
1104 break;
1105
1106 case VIDEO_SET_BLANK:
1107 av7110->videostate.video_blank = (int) arg;
1108 break;
1109
1110 case VIDEO_GET_STATUS:
1111 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1112 break;
1113
1114 case VIDEO_GET_EVENT:
1115 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1116 break;
1117
1118 case VIDEO_GET_SIZE:
1119 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1120 break;
1121
1122 case VIDEO_SET_DISPLAY_FORMAT:
1123 {
1124 video_displayformat_t format = (video_displayformat_t) arg;
1125
1126 switch (format) {
1127 case VIDEO_PAN_SCAN:
1128 av7110->display_panscan = VID_PAN_SCAN_PREF;
1129 break;
1130
1131 case VIDEO_LETTER_BOX:
1132 av7110->display_panscan = VID_VC_AND_PS_PREF;
1133 break;
1134
1135 case VIDEO_CENTER_CUT_OUT:
1136 av7110->display_panscan = VID_CENTRE_CUT_PREF;
1137 break;
1138
1139 default:
1140 ret = -EINVAL;
1141 }
1142 if (ret < 0)
1143 break;
1144 av7110->videostate.display_format = format;
1145 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1146 1, av7110->display_panscan);
1147 break;
1148 }
1149
1150 case VIDEO_SET_FORMAT:
1151 if (arg > 1) {
1152 ret = -EINVAL;
1153 break;
1154 }
1155 av7110->display_ar = arg;
1156 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1157 1, (u16) arg);
1158 break;
1159
1160 case VIDEO_STILLPICTURE:
1161 {
1162 struct video_still_picture *pic =
1163 (struct video_still_picture *) parg;
1164 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1165 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1166 ret = play_iframe(av7110, pic->iFrame, pic->size,
1167 file->f_flags & O_NONBLOCK);
1168 break;
1169 }
1170
1171 case VIDEO_FAST_FORWARD:
1172 //note: arg is ignored by firmware
1173 if (av7110->playing & RP_VIDEO)
1174 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1175 __Scan_I, 2, AV_PES, 0);
1176 else
1177 ret = vidcom(av7110, AV_VIDEO_CMD_FFWD, arg);
1178 if (!ret) {
1179 av7110->trickmode = TRICK_FAST;
1180 av7110->videostate.play_state = VIDEO_PLAYING;
1181 }
1182 break;
1183
1184 case VIDEO_SLOWMOTION:
1185 if (av7110->playing&RP_VIDEO) {
1186 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1187 if (!ret)
1188 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1189 } else {
1190 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1191 if (!ret)
1192 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0);
1193 if (!ret)
1194 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1195 }
1196 if (!ret) {
1197 av7110->trickmode = TRICK_SLOW;
1198 av7110->videostate.play_state = VIDEO_PLAYING;
1199 }
1200 break;
1201
1202 case VIDEO_GET_CAPABILITIES:
1203 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1204 VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1205 break;
1206
1207 case VIDEO_CLEAR_BUFFER:
1208 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1209 av7110_ipack_reset(&av7110->ipack[1]);
1210
1211 if (av7110->playing == RP_AV) {
1212 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1213 __Play, 2, AV_PES, 0);
1214 if (ret)
1215 break;
1216 if (av7110->trickmode == TRICK_FAST)
1217 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1218 __Scan_I, 2, AV_PES, 0);
1219 if (av7110->trickmode == TRICK_SLOW) {
1220 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1221 __Slow, 2, 0, 0);
1222 if (!ret)
1223 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1224 }
1225 if (av7110->trickmode == TRICK_FREEZE)
1226 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1);
1227 }
1228 break;
1229
1230 case VIDEO_SET_STREAMTYPE:
1231
1232 break;
1233
1234 default:
1235 ret = -ENOIOCTLCMD;
1236 break;
1237 }
1238 return ret;
1239 }
1240
1241 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1242 unsigned int cmd, void *parg)
1243 {
1244 struct dvb_device *dvbdev = file->private_data;
1245 struct av7110 *av7110 = dvbdev->priv;
1246 unsigned long arg = (unsigned long) parg;
1247 int ret = 0;
1248
1249 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1250
1251 if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1252 (cmd != AUDIO_GET_STATUS))
1253 return -EPERM;
1254
1255 switch (cmd) {
1256 case AUDIO_STOP:
1257 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1258 ret = av7110_av_stop(av7110, RP_AUDIO);
1259 else
1260 ret = audcom(av7110, AUDIO_CMD_MUTE);
1261 if (!ret)
1262 av7110->audiostate.play_state = AUDIO_STOPPED;
1263 break;
1264
1265 case AUDIO_PLAY:
1266 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1267 ret = av7110_av_start_play(av7110, RP_AUDIO);
1268 if (!ret)
1269 ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1270 if (!ret)
1271 av7110->audiostate.play_state = AUDIO_PLAYING;
1272 break;
1273
1274 case AUDIO_PAUSE:
1275 ret = audcom(av7110, AUDIO_CMD_MUTE);
1276 if (!ret)
1277 av7110->audiostate.play_state = AUDIO_PAUSED;
1278 break;
1279
1280 case AUDIO_CONTINUE:
1281 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1282 av7110->audiostate.play_state = AUDIO_PLAYING;
1283 ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1284 }
1285 break;
1286
1287 case AUDIO_SELECT_SOURCE:
1288 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1289 break;
1290
1291 case AUDIO_SET_MUTE:
1292 {
1293 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1294 if (!ret)
1295 av7110->audiostate.mute_state = (int) arg;
1296 break;
1297 }
1298
1299 case AUDIO_SET_AV_SYNC:
1300 av7110->audiostate.AV_sync_state = (int) arg;
1301 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1302 break;
1303
1304 case AUDIO_SET_BYPASS_MODE:
1305 if (FW_VERSION(av7110->arm_app) < 0x2621)
1306 ret = -EINVAL;
1307 av7110->audiostate.bypass_mode = (int)arg;
1308 break;
1309
1310 case AUDIO_CHANNEL_SELECT:
1311 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1312
1313 switch(av7110->audiostate.channel_select) {
1314 case AUDIO_STEREO:
1315 ret = audcom(av7110, AUDIO_CMD_STEREO);
1316 if (!ret) {
1317 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1318 i2c_writereg(av7110, 0x20, 0x02, 0x49);
1319 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1320 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
1321 }
1322 break;
1323
1324 case AUDIO_MONO_LEFT:
1325 ret = audcom(av7110, AUDIO_CMD_MONO_L);
1326 if (!ret) {
1327 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1328 i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1329 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1330 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
1331 }
1332 break;
1333
1334 case AUDIO_MONO_RIGHT:
1335 ret = audcom(av7110, AUDIO_CMD_MONO_R);
1336 if (!ret) {
1337 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1338 i2c_writereg(av7110, 0x20, 0x02, 0x45);
1339 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1340 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
1341 }
1342 break;
1343
1344 default:
1345 ret = -EINVAL;
1346 break;
1347 }
1348 break;
1349
1350 case AUDIO_GET_STATUS:
1351 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1352 break;
1353
1354 case AUDIO_GET_CAPABILITIES:
1355 if (FW_VERSION(av7110->arm_app) < 0x2621)
1356 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1357 else
1358 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
1359 AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1360 break;
1361
1362 case AUDIO_CLEAR_BUFFER:
1363 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1364 av7110_ipack_reset(&av7110->ipack[0]);
1365 if (av7110->playing == RP_AV)
1366 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1367 __Play, 2, AV_PES, 0);
1368 break;
1369 case AUDIO_SET_ID:
1370
1371 break;
1372 case AUDIO_SET_MIXER:
1373 {
1374 struct audio_mixer *amix = (struct audio_mixer *)parg;
1375
1376 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1377 break;
1378 }
1379 case AUDIO_SET_STREAMTYPE:
1380 break;
1381 default:
1382 ret = -ENOIOCTLCMD;
1383 }
1384 return ret;
1385 }
1386
1387
1388 static int dvb_video_open(struct inode *inode, struct file *file)
1389 {
1390 struct dvb_device *dvbdev = file->private_data;
1391 struct av7110 *av7110 = dvbdev->priv;
1392 int err;
1393
1394 dprintk(2, "av7110:%p, \n", av7110);
1395
1396 if ((err = dvb_generic_open(inode, file)) < 0)
1397 return err;
1398
1399 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1400 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1401 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1402 av7110->video_blank = 1;
1403 av7110->audiostate.AV_sync_state = 1;
1404 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1405
1406 /* empty event queue */
1407 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1408 }
1409
1410 return 0;
1411 }
1412
1413 static int dvb_video_release(struct inode *inode, struct file *file)
1414 {
1415 struct dvb_device *dvbdev = file->private_data;
1416 struct av7110 *av7110 = dvbdev->priv;
1417
1418 dprintk(2, "av7110:%p, \n", av7110);
1419
1420 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1421 av7110_av_stop(av7110, RP_VIDEO);
1422 }
1423
1424 return dvb_generic_release(inode, file);
1425 }
1426
1427 static int dvb_audio_open(struct inode *inode, struct file *file)
1428 {
1429 struct dvb_device *dvbdev = file->private_data;
1430 struct av7110 *av7110 = dvbdev->priv;
1431 int err = dvb_generic_open(inode, file);
1432
1433 dprintk(2, "av7110:%p, \n", av7110);
1434
1435 if (err < 0)
1436 return err;
1437 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1438 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1439 return 0;
1440 }
1441
1442 static int dvb_audio_release(struct inode *inode, struct file *file)
1443 {
1444 struct dvb_device *dvbdev = file->private_data;
1445 struct av7110 *av7110 = dvbdev->priv;
1446
1447 dprintk(2, "av7110:%p, \n", av7110);
1448
1449 av7110_av_stop(av7110, RP_AUDIO);
1450 return dvb_generic_release(inode, file);
1451 }
1452
1453
1454
1455 /******************************************************************************
1456 * driver registration
1457 ******************************************************************************/
1458
1459 static struct file_operations dvb_video_fops = {
1460 .owner = THIS_MODULE,
1461 .write = dvb_video_write,
1462 .ioctl = dvb_generic_ioctl,
1463 .open = dvb_video_open,
1464 .release = dvb_video_release,
1465 .poll = dvb_video_poll,
1466 };
1467
1468 static struct dvb_device dvbdev_video = {
1469 .priv = NULL,
1470 .users = 6,
1471 .readers = 5, /* arbitrary */
1472 .writers = 1,
1473 .fops = &dvb_video_fops,
1474 .kernel_ioctl = dvb_video_ioctl,
1475 };
1476
1477 static struct file_operations dvb_audio_fops = {
1478 .owner = THIS_MODULE,
1479 .write = dvb_audio_write,
1480 .ioctl = dvb_generic_ioctl,
1481 .open = dvb_audio_open,
1482 .release = dvb_audio_release,
1483 .poll = dvb_audio_poll,
1484 };
1485
1486 static struct dvb_device dvbdev_audio = {
1487 .priv = NULL,
1488 .users = 1,
1489 .writers = 1,
1490 .fops = &dvb_audio_fops,
1491 .kernel_ioctl = dvb_audio_ioctl,
1492 };
1493
1494
1495 int av7110_av_register(struct av7110 *av7110)
1496 {
1497 av7110->audiostate.AV_sync_state = 0;
1498 av7110->audiostate.mute_state = 0;
1499 av7110->audiostate.play_state = AUDIO_STOPPED;
1500 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1501 av7110->audiostate.channel_select = AUDIO_STEREO;
1502 av7110->audiostate.bypass_mode = 0;
1503
1504 av7110->videostate.video_blank = 0;
1505 av7110->videostate.play_state = VIDEO_STOPPED;
1506 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1507 av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1508 av7110->videostate.display_format = VIDEO_LETTER_BOX;
1509 av7110->display_ar = VIDEO_FORMAT_4_3;
1510 av7110->display_panscan = VID_VC_AND_PS_PREF;
1511
1512 init_waitqueue_head(&av7110->video_events.wait_queue);
1513 spin_lock_init(&av7110->video_events.lock);
1514 av7110->video_events.eventw = av7110->video_events.eventr = 0;
1515 av7110->video_events.overflow = 0;
1516 memset(&av7110->video_size, 0, sizeof (video_size_t));
1517
1518 dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1519 &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1520
1521 dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1522 &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1523
1524 return 0;
1525 }
1526
1527 void av7110_av_unregister(struct av7110 *av7110)
1528 {
1529 dvb_unregister_device(av7110->audio_dev);
1530 dvb_unregister_device(av7110->video_dev);
1531 }
1532
1533 int av7110_av_init(struct av7110 *av7110)
1534 {
1535 void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1536 int i, ret;
1537
1538 for (i = 0; i < 2; i++) {
1539 struct ipack *ipack = av7110->ipack + i;
1540
1541 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1542 if (ret < 0) {
1543 if (i)
1544 av7110_ipack_free(--ipack);
1545 goto out;
1546 }
1547 ipack->data = av7110;
1548 }
1549
1550 dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1551 dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1552
1553 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1554 av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1555 out:
1556 return ret;
1557 }
1558
1559 void av7110_av_exit(struct av7110 *av7110)
1560 {
1561 av7110_ipack_free(&av7110->ipack[0]);
1562 av7110_ipack_free(&av7110->ipack[1]);
1563 }
Linux kernel - Deliverables
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