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[deliverable/linux.git] / drivers / media / pci / 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 https://linuxtv.org
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 static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len);
93
94
95 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
96 {
97 struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
98
99 if (!(dvbdmxfeed->ts_type & TS_PACKET))
100 return 0;
101 if (buf[3] == 0xe0) // video PES do not have a length in TS
102 buf[4] = buf[5] = 0;
103 if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
104 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
105 &dvbdmxfeed->feed.ts);
106 else
107 return dvb_filter_pes2ts(p2t, buf, len, 1);
108 }
109
110 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
111 {
112 struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
113
114 dvbdmxfeed->cb.ts(data, 188, NULL, 0,
115 &dvbdmxfeed->feed.ts);
116 return 0;
117 }
118
119 int av7110_av_start_record(struct av7110 *av7110, int av,
120 struct dvb_demux_feed *dvbdmxfeed)
121 {
122 int ret = 0;
123 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
124
125 dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
126
127 if (av7110->playing || (av7110->rec_mode & av))
128 return -EBUSY;
129 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
130 dvbdmx->recording = 1;
131 av7110->rec_mode |= av;
132
133 switch (av7110->rec_mode) {
134 case RP_AUDIO:
135 dvb_filter_pes2ts_init(&av7110->p2t[0],
136 dvbdmx->pesfilter[0]->pid,
137 dvb_filter_pes2ts_cb,
138 (void *) dvbdmx->pesfilter[0]);
139 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
140 break;
141
142 case RP_VIDEO:
143 dvb_filter_pes2ts_init(&av7110->p2t[1],
144 dvbdmx->pesfilter[1]->pid,
145 dvb_filter_pes2ts_cb,
146 (void *) dvbdmx->pesfilter[1]);
147 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
148 break;
149
150 case RP_AV:
151 dvb_filter_pes2ts_init(&av7110->p2t[0],
152 dvbdmx->pesfilter[0]->pid,
153 dvb_filter_pes2ts_cb,
154 (void *) dvbdmx->pesfilter[0]);
155 dvb_filter_pes2ts_init(&av7110->p2t[1],
156 dvbdmx->pesfilter[1]->pid,
157 dvb_filter_pes2ts_cb,
158 (void *) dvbdmx->pesfilter[1]);
159 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
160 break;
161 }
162 return ret;
163 }
164
165 int av7110_av_start_play(struct av7110 *av7110, int av)
166 {
167 int ret = 0;
168 dprintk(2, "av7110:%p, \n", av7110);
169
170 if (av7110->rec_mode)
171 return -EBUSY;
172 if (av7110->playing & av)
173 return -EBUSY;
174
175 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
176
177 if (av7110->playing == RP_NONE) {
178 av7110_ipack_reset(&av7110->ipack[0]);
179 av7110_ipack_reset(&av7110->ipack[1]);
180 }
181
182 av7110->playing |= av;
183 switch (av7110->playing) {
184 case RP_AUDIO:
185 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
186 break;
187 case RP_VIDEO:
188 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
189 av7110->sinfo = 0;
190 break;
191 case RP_AV:
192 av7110->sinfo = 0;
193 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
194 break;
195 }
196 return ret;
197 }
198
199 int av7110_av_stop(struct av7110 *av7110, int av)
200 {
201 int ret = 0;
202 dprintk(2, "av7110:%p, \n", av7110);
203
204 if (!(av7110->playing & av) && !(av7110->rec_mode & av))
205 return 0;
206 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
207 if (av7110->playing) {
208 av7110->playing &= ~av;
209 switch (av7110->playing) {
210 case RP_AUDIO:
211 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
212 break;
213 case RP_VIDEO:
214 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
215 break;
216 case RP_NONE:
217 ret = av7110_set_vidmode(av7110, av7110->vidmode);
218 break;
219 }
220 } else {
221 av7110->rec_mode &= ~av;
222 switch (av7110->rec_mode) {
223 case RP_AUDIO:
224 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
225 break;
226 case RP_VIDEO:
227 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
228 break;
229 case RP_NONE:
230 break;
231 }
232 }
233 return ret;
234 }
235
236
237 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
238 {
239 int len;
240 u32 sync;
241 u16 blen;
242
243 if (!dlen) {
244 wake_up(&buf->queue);
245 return -1;
246 }
247 while (1) {
248 len = dvb_ringbuffer_avail(buf);
249 if (len < 6) {
250 wake_up(&buf->queue);
251 return -1;
252 }
253 sync = DVB_RINGBUFFER_PEEK(buf, 0) << 24;
254 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
255 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
256 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
257
258 if (((sync &~ 0x0f) == 0x000001e0) ||
259 ((sync &~ 0x1f) == 0x000001c0) ||
260 (sync == 0x000001bd))
261 break;
262 printk("resync\n");
263 DVB_RINGBUFFER_SKIP(buf, 1);
264 }
265 blen = DVB_RINGBUFFER_PEEK(buf, 4) << 8;
266 blen |= DVB_RINGBUFFER_PEEK(buf, 5);
267 blen += 6;
268 if (len < blen || blen > dlen) {
269 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
270 wake_up(&buf->queue);
271 return -1;
272 }
273
274 dvb_ringbuffer_read(buf, dest, (size_t) blen);
275
276 dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
277 (unsigned long) buf->pread, (unsigned long) buf->pwrite);
278 wake_up(&buf->queue);
279 return blen;
280 }
281
282
283 int av7110_set_volume(struct av7110 *av7110, unsigned int volleft,
284 unsigned int volright)
285 {
286 unsigned int vol, val, balance = 0;
287 int err;
288
289 dprintk(2, "av7110:%p, \n", av7110);
290
291 av7110->mixer.volume_left = volleft;
292 av7110->mixer.volume_right = volright;
293
294 switch (av7110->adac_type) {
295 case DVB_ADAC_TI:
296 volleft = (volleft * 256) / 1036;
297 volright = (volright * 256) / 1036;
298 if (volleft > 0x3f)
299 volleft = 0x3f;
300 if (volright > 0x3f)
301 volright = 0x3f;
302 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
303 return err;
304 return SendDAC(av7110, 4, volright);
305
306 case DVB_ADAC_CRYSTAL:
307 volleft = 127 - volleft / 2;
308 volright = 127 - volright / 2;
309 i2c_writereg(av7110, 0x20, 0x03, volleft);
310 i2c_writereg(av7110, 0x20, 0x04, volright);
311 return 0;
312
313 case DVB_ADAC_MSP34x0:
314 vol = (volleft > volright) ? volleft : volright;
315 val = (vol * 0x73 / 255) << 8;
316 if (vol > 0)
317 balance = ((volright - volleft) * 127) / vol;
318 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
319 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
320 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
321 return 0;
322
323 case DVB_ADAC_MSP34x5:
324 vol = (volleft > volright) ? volleft : volright;
325 val = (vol * 0x73 / 255) << 8;
326 if (vol > 0)
327 balance = ((volright - volleft) * 127) / vol;
328 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
329 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
330 return 0;
331 }
332
333 return 0;
334 }
335
336 int av7110_set_vidmode(struct av7110 *av7110, enum av7110_video_mode mode)
337 {
338 int ret;
339 dprintk(2, "av7110:%p, \n", av7110);
340
341 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
342
343 if (!ret && !av7110->playing) {
344 ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
345 av7110->pids[DMX_PES_AUDIO],
346 av7110->pids[DMX_PES_TELETEXT],
347 0, av7110->pids[DMX_PES_PCR]);
348 if (!ret)
349 ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
350 }
351 return ret;
352 }
353
354
355 static enum av7110_video_mode sw2mode[16] = {
356 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
357 AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_PAL,
358 AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_NTSC,
359 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
360 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
361 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
362 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
363 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
364 };
365
366 static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
367 {
368 int i;
369 int hsize, vsize;
370 int sw;
371 u8 *p;
372 int ret = 0;
373
374 dprintk(2, "av7110:%p, \n", av7110);
375
376 if (av7110->sinfo)
377 return 0;
378 for (i = 7; i < count - 10; i++) {
379 p = buf + i;
380 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
381 continue;
382 p += 4;
383 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
384 vsize = ((p[1] &0x0F) << 8) | (p[2]);
385 sw = (p[3] & 0x0F);
386 ret = av7110_set_vidmode(av7110, sw2mode[sw]);
387 if (!ret) {
388 dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
389 av7110->sinfo = 1;
390 }
391 break;
392 }
393 return ret;
394 }
395
396
397 /****************************************************************************
398 * I/O buffer management and control
399 ****************************************************************************/
400
401 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
402 const u8 *buf, unsigned long count)
403 {
404 unsigned long todo = count;
405 int free;
406
407 while (todo > 0) {
408 if (dvb_ringbuffer_free(rbuf) < 2048) {
409 if (wait_event_interruptible(rbuf->queue,
410 (dvb_ringbuffer_free(rbuf) >= 2048)))
411 return count - todo;
412 }
413 free = dvb_ringbuffer_free(rbuf);
414 if (free > todo)
415 free = todo;
416 dvb_ringbuffer_write(rbuf, buf, free);
417 todo -= free;
418 buf += free;
419 }
420
421 return count - todo;
422 }
423
424 static void play_video_cb(u8 *buf, int count, void *priv)
425 {
426 struct av7110 *av7110 = (struct av7110 *) priv;
427 dprintk(2, "av7110:%p, \n", av7110);
428
429 if ((buf[3] & 0xe0) == 0xe0) {
430 get_video_format(av7110, buf, count);
431 aux_ring_buffer_write(&av7110->avout, buf, count);
432 } else
433 aux_ring_buffer_write(&av7110->aout, buf, count);
434 }
435
436 static void play_audio_cb(u8 *buf, int count, void *priv)
437 {
438 struct av7110 *av7110 = (struct av7110 *) priv;
439 dprintk(2, "av7110:%p, \n", av7110);
440
441 aux_ring_buffer_write(&av7110->aout, buf, count);
442 }
443
444
445 #define FREE_COND_TS (dvb_ringbuffer_free(rb) >= 4096)
446
447 static ssize_t ts_play(struct av7110 *av7110, const char __user *buf,
448 unsigned long count, int nonblock, int type)
449 {
450 struct dvb_ringbuffer *rb;
451 u8 *kb;
452 unsigned long todo = count;
453
454 dprintk(2, "%s: type %d cnt %lu\n", __func__, type, count);
455
456 rb = (type) ? &av7110->avout : &av7110->aout;
457 kb = av7110->kbuf[type];
458
459 if (!kb)
460 return -ENOBUFS;
461
462 if (nonblock && !FREE_COND_TS)
463 return -EWOULDBLOCK;
464
465 while (todo >= TS_SIZE) {
466 if (!FREE_COND_TS) {
467 if (nonblock)
468 return count - todo;
469 if (wait_event_interruptible(rb->queue, FREE_COND_TS))
470 return count - todo;
471 }
472 if (copy_from_user(kb, buf, TS_SIZE))
473 return -EFAULT;
474 write_ts_to_decoder(av7110, type, kb, TS_SIZE);
475 todo -= TS_SIZE;
476 buf += TS_SIZE;
477 }
478
479 return count - todo;
480 }
481
482
483 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
484 dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
485
486 static ssize_t dvb_play(struct av7110 *av7110, const char __user *buf,
487 unsigned long count, int nonblock, int type)
488 {
489 unsigned long todo = count, n;
490 dprintk(2, "av7110:%p, \n", av7110);
491
492 if (!av7110->kbuf[type])
493 return -ENOBUFS;
494
495 if (nonblock && !FREE_COND)
496 return -EWOULDBLOCK;
497
498 while (todo > 0) {
499 if (!FREE_COND) {
500 if (nonblock)
501 return count - todo;
502 if (wait_event_interruptible(av7110->avout.queue,
503 FREE_COND))
504 return count - todo;
505 }
506 n = todo;
507 if (n > IPACKS * 2)
508 n = IPACKS * 2;
509 if (copy_from_user(av7110->kbuf[type], buf, n))
510 return -EFAULT;
511 av7110_ipack_instant_repack(av7110->kbuf[type], n,
512 &av7110->ipack[type]);
513 todo -= n;
514 buf += n;
515 }
516 return count - todo;
517 }
518
519 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
520 unsigned long count, int nonblock, int type)
521 {
522 unsigned long todo = count, n;
523 dprintk(2, "av7110:%p, \n", av7110);
524
525 if (!av7110->kbuf[type])
526 return -ENOBUFS;
527
528 if (nonblock && !FREE_COND)
529 return -EWOULDBLOCK;
530
531 while (todo > 0) {
532 if (!FREE_COND) {
533 if (nonblock)
534 return count - todo;
535 if (wait_event_interruptible(av7110->avout.queue,
536 FREE_COND))
537 return count - todo;
538 }
539 n = todo;
540 if (n > IPACKS * 2)
541 n = IPACKS * 2;
542 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
543 todo -= n;
544 buf += n;
545 }
546 return count - todo;
547 }
548
549 static ssize_t dvb_aplay(struct av7110 *av7110, const char __user *buf,
550 unsigned long count, int nonblock, int type)
551 {
552 unsigned long todo = count, n;
553 dprintk(2, "av7110:%p, \n", av7110);
554
555 if (!av7110->kbuf[type])
556 return -ENOBUFS;
557 if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
558 return -EWOULDBLOCK;
559
560 while (todo > 0) {
561 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
562 if (nonblock)
563 return count - todo;
564 if (wait_event_interruptible(av7110->aout.queue,
565 (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
566 return count-todo;
567 }
568 n = todo;
569 if (n > IPACKS * 2)
570 n = IPACKS * 2;
571 if (copy_from_user(av7110->kbuf[type], buf, n))
572 return -EFAULT;
573 av7110_ipack_instant_repack(av7110->kbuf[type], n,
574 &av7110->ipack[type]);
575 todo -= n;
576 buf += n;
577 }
578 return count - todo;
579 }
580
581 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
582 {
583 memset(p->pes, 0, TS_SIZE);
584 p->counter = 0;
585 p->pos = 0;
586 p->frags = 0;
587 if (feed)
588 p->feed = feed;
589 }
590
591 static void clear_p2t(struct av7110_p2t *p)
592 {
593 memset(p->pes, 0, TS_SIZE);
594 // p->counter = 0;
595 p->pos = 0;
596 p->frags = 0;
597 }
598
599
600 static int find_pes_header(u8 const *buf, long int length, int *frags)
601 {
602 int c = 0;
603 int found = 0;
604
605 *frags = 0;
606
607 while (c < length - 3 && !found) {
608 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
609 buf[c + 2] == 0x01) {
610 switch ( buf[c + 3] ) {
611 case PROG_STREAM_MAP:
612 case PRIVATE_STREAM2:
613 case PROG_STREAM_DIR:
614 case ECM_STREAM :
615 case EMM_STREAM :
616 case PADDING_STREAM :
617 case DSM_CC_STREAM :
618 case ISO13522_STREAM:
619 case PRIVATE_STREAM1:
620 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
621 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
622 found = 1;
623 break;
624
625 default:
626 c++;
627 break;
628 }
629 } else
630 c++;
631 }
632 if (c == length - 3 && !found) {
633 if (buf[length - 1] == 0x00)
634 *frags = 1;
635 if (buf[length - 2] == 0x00 &&
636 buf[length - 1] == 0x00)
637 *frags = 2;
638 if (buf[length - 3] == 0x00 &&
639 buf[length - 2] == 0x00 &&
640 buf[length - 1] == 0x01)
641 *frags = 3;
642 return -1;
643 }
644
645 return c;
646 }
647
648 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
649 {
650 int c, c2, l, add;
651 int check, rest;
652
653 c = 0;
654 c2 = 0;
655 if (p->frags){
656 check = 0;
657 switch(p->frags) {
658 case 1:
659 if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
660 check = 1;
661 c += 2;
662 }
663 break;
664 case 2:
665 if (buf[c] == 0x01) {
666 check = 1;
667 c++;
668 }
669 break;
670 case 3:
671 check = 1;
672 }
673 if (check) {
674 switch (buf[c]) {
675 case PROG_STREAM_MAP:
676 case PRIVATE_STREAM2:
677 case PROG_STREAM_DIR:
678 case ECM_STREAM :
679 case EMM_STREAM :
680 case PADDING_STREAM :
681 case DSM_CC_STREAM :
682 case ISO13522_STREAM:
683 case PRIVATE_STREAM1:
684 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
685 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
686 p->pes[0] = 0x00;
687 p->pes[1] = 0x00;
688 p->pes[2] = 0x01;
689 p->pes[3] = buf[c];
690 p->pos = 4;
691 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
692 c += (TS_SIZE - 4) - p->pos;
693 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
694 clear_p2t(p);
695 break;
696
697 default:
698 c = 0;
699 break;
700 }
701 }
702 p->frags = 0;
703 }
704
705 if (p->pos) {
706 c2 = find_pes_header(buf + c, length - c, &p->frags);
707 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
708 l = c2+c;
709 else
710 l = (TS_SIZE - 4) - p->pos;
711 memcpy(p->pes + p->pos, buf, l);
712 c += l;
713 p->pos += l;
714 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
715 clear_p2t(p);
716 }
717
718 add = 0;
719 while (c < length) {
720 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
721 if (c2 >= 0) {
722 c2 += c + add;
723 if (c2 > c){
724 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
725 c = c2;
726 clear_p2t(p);
727 add = 0;
728 } else
729 add = 1;
730 } else {
731 l = length - c;
732 rest = l % (TS_SIZE - 4);
733 l -= rest;
734 p_to_t(buf + c, l, pid, &p->counter, p->feed);
735 memcpy(p->pes, buf + c + l, rest);
736 p->pos = rest;
737 c = length;
738 }
739 }
740 }
741
742
743 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
744 {
745 int i;
746 int c = 0;
747 int fill;
748 u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
749
750 fill = (TS_SIZE - 4) - length;
751 if (pes_start)
752 tshead[1] = 0x40;
753 if (fill)
754 tshead[3] = 0x30;
755 tshead[1] |= (u8)((pid & 0x1F00) >> 8);
756 tshead[2] |= (u8)(pid & 0x00FF);
757 tshead[3] |= ((*counter)++ & 0x0F);
758 memcpy(buf, tshead, 4);
759 c += 4;
760
761 if (fill) {
762 buf[4] = fill - 1;
763 c++;
764 if (fill > 1) {
765 buf[5] = 0x00;
766 c++;
767 }
768 for (i = 6; i < fill + 4; i++) {
769 buf[i] = 0xFF;
770 c++;
771 }
772 }
773
774 return c;
775 }
776
777
778 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
779 struct dvb_demux_feed *feed)
780 {
781 int l, pes_start;
782 u8 obuf[TS_SIZE];
783 long c = 0;
784
785 pes_start = 0;
786 if (length > 3 &&
787 buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
788 switch (buf[3]) {
789 case PROG_STREAM_MAP:
790 case PRIVATE_STREAM2:
791 case PROG_STREAM_DIR:
792 case ECM_STREAM :
793 case EMM_STREAM :
794 case PADDING_STREAM :
795 case DSM_CC_STREAM :
796 case ISO13522_STREAM:
797 case PRIVATE_STREAM1:
798 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
799 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
800 pes_start = 1;
801 break;
802
803 default:
804 break;
805 }
806
807 while (c < length) {
808 memset(obuf, 0, TS_SIZE);
809 if (length - c >= (TS_SIZE - 4)){
810 l = write_ts_header2(pid, counter, pes_start,
811 obuf, (TS_SIZE - 4));
812 memcpy(obuf + l, buf + c, TS_SIZE - l);
813 c += TS_SIZE - l;
814 } else {
815 l = write_ts_header2(pid, counter, pes_start,
816 obuf, length - c);
817 memcpy(obuf + l, buf + c, TS_SIZE - l);
818 c = length;
819 }
820 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts);
821 pes_start = 0;
822 }
823 }
824
825
826 static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len)
827 {
828 struct ipack *ipack = &av7110->ipack[type];
829
830 if (buf[1] & TRANS_ERROR) {
831 av7110_ipack_reset(ipack);
832 return -1;
833 }
834
835 if (!(buf[3] & PAYLOAD))
836 return -1;
837
838 if (buf[1] & PAY_START)
839 av7110_ipack_flush(ipack);
840
841 if (buf[3] & ADAPT_FIELD) {
842 len -= buf[4] + 1;
843 buf += buf[4] + 1;
844 if (!len)
845 return 0;
846 }
847
848 av7110_ipack_instant_repack(buf + 4, len - 4, ipack);
849 return 0;
850 }
851
852
853 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
854 {
855 struct dvb_demux *demux = feed->demux;
856 struct av7110 *av7110 = (struct av7110 *) demux->priv;
857
858 dprintk(2, "av7110:%p, \n", av7110);
859
860 if (av7110->full_ts && demux->dmx.frontend->source != DMX_MEMORY_FE)
861 return 0;
862
863 switch (feed->pes_type) {
864 case 0:
865 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
866 return -EINVAL;
867 break;
868 case 1:
869 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
870 return -EINVAL;
871 break;
872 default:
873 return -1;
874 }
875
876 return write_ts_to_decoder(av7110, feed->pes_type, buf, len);
877 }
878
879
880
881 /******************************************************************************
882 * Video MPEG decoder events
883 ******************************************************************************/
884 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
885 {
886 struct dvb_video_events *events = &av7110->video_events;
887 int wp;
888
889 spin_lock_bh(&events->lock);
890
891 wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
892 if (wp == events->eventr) {
893 events->overflow = 1;
894 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
895 }
896
897 //FIXME: timestamp?
898 memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
899 events->eventw = wp;
900
901 spin_unlock_bh(&events->lock);
902
903 wake_up_interruptible(&events->wait_queue);
904 }
905
906
907 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
908 {
909 struct dvb_video_events *events = &av7110->video_events;
910
911 if (events->overflow) {
912 events->overflow = 0;
913 return -EOVERFLOW;
914 }
915 if (events->eventw == events->eventr) {
916 int ret;
917
918 if (flags & O_NONBLOCK)
919 return -EWOULDBLOCK;
920
921 ret = wait_event_interruptible(events->wait_queue,
922 events->eventw != events->eventr);
923 if (ret < 0)
924 return ret;
925 }
926
927 spin_lock_bh(&events->lock);
928
929 memcpy(event, &events->events[events->eventr],
930 sizeof(struct video_event));
931 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
932
933 spin_unlock_bh(&events->lock);
934
935 return 0;
936 }
937
938
939 /******************************************************************************
940 * DVB device file operations
941 ******************************************************************************/
942
943 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
944 {
945 struct dvb_device *dvbdev = file->private_data;
946 struct av7110 *av7110 = dvbdev->priv;
947 unsigned int mask = 0;
948
949 dprintk(2, "av7110:%p, \n", av7110);
950
951 if ((file->f_flags & O_ACCMODE) != O_RDONLY)
952 poll_wait(file, &av7110->avout.queue, wait);
953
954 poll_wait(file, &av7110->video_events.wait_queue, wait);
955
956 if (av7110->video_events.eventw != av7110->video_events.eventr)
957 mask = POLLPRI;
958
959 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
960 if (av7110->playing) {
961 if (FREE_COND)
962 mask |= (POLLOUT | POLLWRNORM);
963 } else {
964 /* if not playing: may play if asked for */
965 mask |= (POLLOUT | POLLWRNORM);
966 }
967 }
968
969 return mask;
970 }
971
972 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
973 size_t count, loff_t *ppos)
974 {
975 struct dvb_device *dvbdev = file->private_data;
976 struct av7110 *av7110 = dvbdev->priv;
977 unsigned char c;
978
979 dprintk(2, "av7110:%p, \n", av7110);
980
981 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
982 return -EPERM;
983
984 if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
985 return -EPERM;
986
987 if (get_user(c, buf))
988 return -EFAULT;
989 if (c == 0x47 && count % TS_SIZE == 0)
990 return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
991 else
992 return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
993 }
994
995 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
996 {
997 struct dvb_device *dvbdev = file->private_data;
998 struct av7110 *av7110 = dvbdev->priv;
999 unsigned int mask = 0;
1000
1001 dprintk(2, "av7110:%p, \n", av7110);
1002
1003 poll_wait(file, &av7110->aout.queue, wait);
1004
1005 if (av7110->playing) {
1006 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
1007 mask |= (POLLOUT | POLLWRNORM);
1008 } else /* if not playing: may play if asked for */
1009 mask = (POLLOUT | POLLWRNORM);
1010
1011 return mask;
1012 }
1013
1014 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
1015 size_t count, loff_t *ppos)
1016 {
1017 struct dvb_device *dvbdev = file->private_data;
1018 struct av7110 *av7110 = dvbdev->priv;
1019 unsigned char c;
1020
1021 dprintk(2, "av7110:%p, \n", av7110);
1022
1023 if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
1024 printk(KERN_ERR "not audio source memory\n");
1025 return -EPERM;
1026 }
1027
1028 if (get_user(c, buf))
1029 return -EFAULT;
1030 if (c == 0x47 && count % TS_SIZE == 0)
1031 return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
1032 else
1033 return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
1034 }
1035
1036 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
1037
1038 #define MIN_IFRAME 400000
1039
1040 static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock)
1041 {
1042 unsigned i, n;
1043 int progressive = 0;
1044 int match = 0;
1045
1046 dprintk(2, "av7110:%p, \n", av7110);
1047
1048 if (len == 0)
1049 return 0;
1050
1051 if (!(av7110->playing & RP_VIDEO)) {
1052 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
1053 return -EBUSY;
1054 }
1055
1056 /* search in buf for instances of 00 00 01 b5 1? */
1057 for (i = 0; i < len; i++) {
1058 unsigned char c;
1059 if (get_user(c, buf + i))
1060 return -EFAULT;
1061 if (match == 5) {
1062 progressive = c & 0x08;
1063 match = 0;
1064 }
1065 if (c == 0x00) {
1066 match = (match == 1 || match == 2) ? 2 : 1;
1067 continue;
1068 }
1069 switch (match++) {
1070 case 2: if (c == 0x01)
1071 continue;
1072 break;
1073 case 3: if (c == 0xb5)
1074 continue;
1075 break;
1076 case 4: if ((c & 0xf0) == 0x10)
1077 continue;
1078 break;
1079 }
1080 match = 0;
1081 }
1082
1083 /* setting n always > 1, fixes problems when playing stillframes
1084 consisting of I- and P-Frames */
1085 n = MIN_IFRAME / len + 1;
1086
1087 /* FIXME: nonblock? */
1088 dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
1089
1090 for (i = 0; i < n; i++)
1091 dvb_play(av7110, buf, len, 0, 1);
1092
1093 av7110_ipack_flush(&av7110->ipack[1]);
1094
1095 if (progressive)
1096 return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1097 else
1098 return 0;
1099 }
1100
1101
1102 static int dvb_video_ioctl(struct file *file,
1103 unsigned int cmd, void *parg)
1104 {
1105 struct dvb_device *dvbdev = file->private_data;
1106 struct av7110 *av7110 = dvbdev->priv;
1107 unsigned long arg = (unsigned long) parg;
1108 int ret = 0;
1109
1110 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1111
1112 if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
1113 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
1114 cmd != VIDEO_GET_SIZE ) {
1115 return -EPERM;
1116 }
1117 }
1118
1119 if (mutex_lock_interruptible(&av7110->ioctl_mutex))
1120 return -ERESTARTSYS;
1121
1122 switch (cmd) {
1123 case VIDEO_STOP:
1124 av7110->videostate.play_state = VIDEO_STOPPED;
1125 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1126 ret = av7110_av_stop(av7110, RP_VIDEO);
1127 else
1128 ret = vidcom(av7110, AV_VIDEO_CMD_STOP,
1129 av7110->videostate.video_blank ? 0 : 1);
1130 if (!ret)
1131 av7110->trickmode = TRICK_NONE;
1132 break;
1133
1134 case VIDEO_PLAY:
1135 av7110->trickmode = TRICK_NONE;
1136 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1137 av7110->videostate.play_state = VIDEO_PLAYING;
1138 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1139 if (ret)
1140 break;
1141 }
1142 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1143 if (av7110->playing == RP_AV) {
1144 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1145 if (ret)
1146 break;
1147 av7110->playing &= ~RP_VIDEO;
1148 }
1149 ret = av7110_av_start_play(av7110, RP_VIDEO);
1150 }
1151 if (!ret)
1152 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1153 if (!ret)
1154 av7110->videostate.play_state = VIDEO_PLAYING;
1155 break;
1156
1157 case VIDEO_FREEZE:
1158 av7110->videostate.play_state = VIDEO_FREEZED;
1159 if (av7110->playing & RP_VIDEO)
1160 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1161 else
1162 ret = vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1163 if (!ret)
1164 av7110->trickmode = TRICK_FREEZE;
1165 break;
1166
1167 case VIDEO_CONTINUE:
1168 if (av7110->playing & RP_VIDEO)
1169 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1170 if (!ret)
1171 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1172 if (!ret) {
1173 av7110->videostate.play_state = VIDEO_PLAYING;
1174 av7110->trickmode = TRICK_NONE;
1175 }
1176 break;
1177
1178 case VIDEO_SELECT_SOURCE:
1179 av7110->videostate.stream_source = (video_stream_source_t) arg;
1180 break;
1181
1182 case VIDEO_SET_BLANK:
1183 av7110->videostate.video_blank = (int) arg;
1184 break;
1185
1186 case VIDEO_GET_STATUS:
1187 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1188 break;
1189
1190 case VIDEO_GET_EVENT:
1191 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1192 break;
1193
1194 case VIDEO_GET_SIZE:
1195 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1196 break;
1197
1198 case VIDEO_SET_DISPLAY_FORMAT:
1199 {
1200 video_displayformat_t format = (video_displayformat_t) arg;
1201 switch (format) {
1202 case VIDEO_PAN_SCAN:
1203 av7110->display_panscan = VID_PAN_SCAN_PREF;
1204 break;
1205 case VIDEO_LETTER_BOX:
1206 av7110->display_panscan = VID_VC_AND_PS_PREF;
1207 break;
1208 case VIDEO_CENTER_CUT_OUT:
1209 av7110->display_panscan = VID_CENTRE_CUT_PREF;
1210 break;
1211 default:
1212 ret = -EINVAL;
1213 }
1214 if (ret < 0)
1215 break;
1216 av7110->videostate.display_format = format;
1217 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1218 1, av7110->display_panscan);
1219 break;
1220 }
1221
1222 case VIDEO_SET_FORMAT:
1223 if (arg > 1) {
1224 ret = -EINVAL;
1225 break;
1226 }
1227 av7110->display_ar = arg;
1228 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1229 1, (u16) arg);
1230 break;
1231
1232 case VIDEO_STILLPICTURE:
1233 {
1234 struct video_still_picture *pic =
1235 (struct video_still_picture *) parg;
1236 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1237 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1238 ret = play_iframe(av7110, pic->iFrame, pic->size,
1239 file->f_flags & O_NONBLOCK);
1240 break;
1241 }
1242
1243 case VIDEO_FAST_FORWARD:
1244 //note: arg is ignored by firmware
1245 if (av7110->playing & RP_VIDEO)
1246 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1247 __Scan_I, 2, AV_PES, 0);
1248 else
1249 ret = vidcom(av7110, AV_VIDEO_CMD_FFWD, arg);
1250 if (!ret) {
1251 av7110->trickmode = TRICK_FAST;
1252 av7110->videostate.play_state = VIDEO_PLAYING;
1253 }
1254 break;
1255
1256 case VIDEO_SLOWMOTION:
1257 if (av7110->playing&RP_VIDEO) {
1258 if (av7110->trickmode != TRICK_SLOW)
1259 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1260 if (!ret)
1261 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1262 } else {
1263 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1264 if (!ret)
1265 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0);
1266 if (!ret)
1267 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1268 }
1269 if (!ret) {
1270 av7110->trickmode = TRICK_SLOW;
1271 av7110->videostate.play_state = VIDEO_PLAYING;
1272 }
1273 break;
1274
1275 case VIDEO_GET_CAPABILITIES:
1276 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1277 VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1278 break;
1279
1280 case VIDEO_CLEAR_BUFFER:
1281 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1282 av7110_ipack_reset(&av7110->ipack[1]);
1283 if (av7110->playing == RP_AV) {
1284 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1285 __Play, 2, AV_PES, 0);
1286 if (ret)
1287 break;
1288 if (av7110->trickmode == TRICK_FAST)
1289 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1290 __Scan_I, 2, AV_PES, 0);
1291 if (av7110->trickmode == TRICK_SLOW) {
1292 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1293 __Slow, 2, 0, 0);
1294 if (!ret)
1295 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1296 }
1297 if (av7110->trickmode == TRICK_FREEZE)
1298 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1);
1299 }
1300 break;
1301
1302 case VIDEO_SET_STREAMTYPE:
1303 break;
1304
1305 default:
1306 ret = -ENOIOCTLCMD;
1307 break;
1308 }
1309
1310 mutex_unlock(&av7110->ioctl_mutex);
1311 return ret;
1312 }
1313
1314 static int dvb_audio_ioctl(struct file *file,
1315 unsigned int cmd, void *parg)
1316 {
1317 struct dvb_device *dvbdev = file->private_data;
1318 struct av7110 *av7110 = dvbdev->priv;
1319 unsigned long arg = (unsigned long) parg;
1320 int ret = 0;
1321
1322 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1323
1324 if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1325 (cmd != AUDIO_GET_STATUS))
1326 return -EPERM;
1327
1328 if (mutex_lock_interruptible(&av7110->ioctl_mutex))
1329 return -ERESTARTSYS;
1330
1331 switch (cmd) {
1332 case AUDIO_STOP:
1333 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1334 ret = av7110_av_stop(av7110, RP_AUDIO);
1335 else
1336 ret = audcom(av7110, AUDIO_CMD_MUTE);
1337 if (!ret)
1338 av7110->audiostate.play_state = AUDIO_STOPPED;
1339 break;
1340
1341 case AUDIO_PLAY:
1342 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1343 ret = av7110_av_start_play(av7110, RP_AUDIO);
1344 if (!ret)
1345 ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1346 if (!ret)
1347 av7110->audiostate.play_state = AUDIO_PLAYING;
1348 break;
1349
1350 case AUDIO_PAUSE:
1351 ret = audcom(av7110, AUDIO_CMD_MUTE);
1352 if (!ret)
1353 av7110->audiostate.play_state = AUDIO_PAUSED;
1354 break;
1355
1356 case AUDIO_CONTINUE:
1357 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1358 av7110->audiostate.play_state = AUDIO_PLAYING;
1359 ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1360 }
1361 break;
1362
1363 case AUDIO_SELECT_SOURCE:
1364 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1365 break;
1366
1367 case AUDIO_SET_MUTE:
1368 {
1369 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1370 if (!ret)
1371 av7110->audiostate.mute_state = (int) arg;
1372 break;
1373 }
1374
1375 case AUDIO_SET_AV_SYNC:
1376 av7110->audiostate.AV_sync_state = (int) arg;
1377 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1378 break;
1379
1380 case AUDIO_SET_BYPASS_MODE:
1381 if (FW_VERSION(av7110->arm_app) < 0x2621)
1382 ret = -EINVAL;
1383 av7110->audiostate.bypass_mode = (int)arg;
1384 break;
1385
1386 case AUDIO_CHANNEL_SELECT:
1387 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1388 switch(av7110->audiostate.channel_select) {
1389 case AUDIO_STEREO:
1390 ret = audcom(av7110, AUDIO_CMD_STEREO);
1391 if (!ret) {
1392 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1393 i2c_writereg(av7110, 0x20, 0x02, 0x49);
1394 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1395 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
1396 }
1397 break;
1398 case AUDIO_MONO_LEFT:
1399 ret = audcom(av7110, AUDIO_CMD_MONO_L);
1400 if (!ret) {
1401 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1402 i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1403 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1404 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
1405 }
1406 break;
1407 case AUDIO_MONO_RIGHT:
1408 ret = audcom(av7110, AUDIO_CMD_MONO_R);
1409 if (!ret) {
1410 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1411 i2c_writereg(av7110, 0x20, 0x02, 0x45);
1412 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1413 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
1414 }
1415 break;
1416 default:
1417 ret = -EINVAL;
1418 break;
1419 }
1420 break;
1421
1422 case AUDIO_GET_STATUS:
1423 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1424 break;
1425
1426 case AUDIO_GET_CAPABILITIES:
1427 if (FW_VERSION(av7110->arm_app) < 0x2621)
1428 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1429 else
1430 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
1431 AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1432 break;
1433
1434 case AUDIO_CLEAR_BUFFER:
1435 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1436 av7110_ipack_reset(&av7110->ipack[0]);
1437 if (av7110->playing == RP_AV)
1438 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1439 __Play, 2, AV_PES, 0);
1440 break;
1441
1442 case AUDIO_SET_ID:
1443 break;
1444
1445 case AUDIO_SET_MIXER:
1446 {
1447 struct audio_mixer *amix = (struct audio_mixer *)parg;
1448 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1449 break;
1450 }
1451
1452 case AUDIO_SET_STREAMTYPE:
1453 break;
1454
1455 default:
1456 ret = -ENOIOCTLCMD;
1457 }
1458
1459 mutex_unlock(&av7110->ioctl_mutex);
1460 return ret;
1461 }
1462
1463
1464 static int dvb_video_open(struct inode *inode, struct file *file)
1465 {
1466 struct dvb_device *dvbdev = file->private_data;
1467 struct av7110 *av7110 = dvbdev->priv;
1468 int err;
1469
1470 dprintk(2, "av7110:%p, \n", av7110);
1471
1472 if ((err = dvb_generic_open(inode, file)) < 0)
1473 return err;
1474
1475 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1476 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1477 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1478 av7110->video_blank = 1;
1479 av7110->audiostate.AV_sync_state = 1;
1480 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1481
1482 /* empty event queue */
1483 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1484 }
1485
1486 return 0;
1487 }
1488
1489 static int dvb_video_release(struct inode *inode, struct file *file)
1490 {
1491 struct dvb_device *dvbdev = file->private_data;
1492 struct av7110 *av7110 = dvbdev->priv;
1493
1494 dprintk(2, "av7110:%p, \n", av7110);
1495
1496 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1497 av7110_av_stop(av7110, RP_VIDEO);
1498 }
1499
1500 return dvb_generic_release(inode, file);
1501 }
1502
1503 static int dvb_audio_open(struct inode *inode, struct file *file)
1504 {
1505 struct dvb_device *dvbdev = file->private_data;
1506 struct av7110 *av7110 = dvbdev->priv;
1507 int err = dvb_generic_open(inode, file);
1508
1509 dprintk(2, "av7110:%p, \n", av7110);
1510
1511 if (err < 0)
1512 return err;
1513 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1514 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1515 return 0;
1516 }
1517
1518 static int dvb_audio_release(struct inode *inode, struct file *file)
1519 {
1520 struct dvb_device *dvbdev = file->private_data;
1521 struct av7110 *av7110 = dvbdev->priv;
1522
1523 dprintk(2, "av7110:%p, \n", av7110);
1524
1525 av7110_av_stop(av7110, RP_AUDIO);
1526 return dvb_generic_release(inode, file);
1527 }
1528
1529
1530
1531 /******************************************************************************
1532 * driver registration
1533 ******************************************************************************/
1534
1535 static const struct file_operations dvb_video_fops = {
1536 .owner = THIS_MODULE,
1537 .write = dvb_video_write,
1538 .unlocked_ioctl = dvb_generic_ioctl,
1539 .open = dvb_video_open,
1540 .release = dvb_video_release,
1541 .poll = dvb_video_poll,
1542 .llseek = noop_llseek,
1543 };
1544
1545 static struct dvb_device dvbdev_video = {
1546 .priv = NULL,
1547 .users = 6,
1548 .readers = 5, /* arbitrary */
1549 .writers = 1,
1550 .fops = &dvb_video_fops,
1551 .kernel_ioctl = dvb_video_ioctl,
1552 };
1553
1554 static const struct file_operations dvb_audio_fops = {
1555 .owner = THIS_MODULE,
1556 .write = dvb_audio_write,
1557 .unlocked_ioctl = dvb_generic_ioctl,
1558 .open = dvb_audio_open,
1559 .release = dvb_audio_release,
1560 .poll = dvb_audio_poll,
1561 .llseek = noop_llseek,
1562 };
1563
1564 static struct dvb_device dvbdev_audio = {
1565 .priv = NULL,
1566 .users = 1,
1567 .writers = 1,
1568 .fops = &dvb_audio_fops,
1569 .kernel_ioctl = dvb_audio_ioctl,
1570 };
1571
1572
1573 int av7110_av_register(struct av7110 *av7110)
1574 {
1575 av7110->audiostate.AV_sync_state = 0;
1576 av7110->audiostate.mute_state = 0;
1577 av7110->audiostate.play_state = AUDIO_STOPPED;
1578 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1579 av7110->audiostate.channel_select = AUDIO_STEREO;
1580 av7110->audiostate.bypass_mode = 0;
1581
1582 av7110->videostate.video_blank = 0;
1583 av7110->videostate.play_state = VIDEO_STOPPED;
1584 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1585 av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1586 av7110->videostate.display_format = VIDEO_LETTER_BOX;
1587 av7110->display_ar = VIDEO_FORMAT_4_3;
1588 av7110->display_panscan = VID_VC_AND_PS_PREF;
1589
1590 init_waitqueue_head(&av7110->video_events.wait_queue);
1591 spin_lock_init(&av7110->video_events.lock);
1592 av7110->video_events.eventw = av7110->video_events.eventr = 0;
1593 av7110->video_events.overflow = 0;
1594 memset(&av7110->video_size, 0, sizeof (video_size_t));
1595
1596 dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1597 &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1598
1599 dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1600 &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1601
1602 return 0;
1603 }
1604
1605 void av7110_av_unregister(struct av7110 *av7110)
1606 {
1607 dvb_unregister_device(av7110->audio_dev);
1608 dvb_unregister_device(av7110->video_dev);
1609 }
1610
1611 int av7110_av_init(struct av7110 *av7110)
1612 {
1613 void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1614 int i, ret;
1615
1616 for (i = 0; i < 2; i++) {
1617 struct ipack *ipack = av7110->ipack + i;
1618
1619 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1620 if (ret < 0) {
1621 if (i)
1622 av7110_ipack_free(--ipack);
1623 goto out;
1624 }
1625 ipack->data = av7110;
1626 }
1627
1628 dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1629 dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1630
1631 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1632 av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1633 out:
1634 return ret;
1635 }
1636
1637 void av7110_av_exit(struct av7110 *av7110)
1638 {
1639 av7110_ipack_free(&av7110->ipack[0]);
1640 av7110_ipack_free(&av7110->ipack[1]);
1641 }
Linux kernel - Deliverables
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