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[XFRM]: skb_cow_data() does not set proper owner for new skbs.
[linux-2.6/verdex.git] / drivers / media / dvb / ttpci / av7110_av.c
blobccf946125d028fb2f22273143d4e62bdfd35fbb9
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/sched.h>
35 #include <linux/delay.h>
36 #include <linux/byteorder/swabb.h>
37 #include <linux/smp_lock.h>
38 #include <linux/fs.h>
39
40 #include "av7110.h"
41 #include "av7110_hw.h"
42 #include "av7110_av.h"
43 #include "av7110_ipack.h"
44
45 /* MPEG-2 (ISO 13818 / H.222.0) stream types */
46 #define PROG_STREAM_MAP 0xBC
47 #define PRIVATE_STREAM1 0xBD
48 #define PADDING_STREAM 0xBE
49 #define PRIVATE_STREAM2 0xBF
50 #define AUDIO_STREAM_S 0xC0
51 #define AUDIO_STREAM_E 0xDF
52 #define VIDEO_STREAM_S 0xE0
53 #define VIDEO_STREAM_E 0xEF
54 #define ECM_STREAM 0xF0
55 #define EMM_STREAM 0xF1
56 #define DSM_CC_STREAM 0xF2
57 #define ISO13522_STREAM 0xF3
58 #define PROG_STREAM_DIR 0xFF
59
60 #define PTS_DTS_FLAGS 0xC0
61
62 //pts_dts flags
63 #define PTS_ONLY 0x80
64 #define PTS_DTS 0xC0
65 #define TS_SIZE 188
66 #define TRANS_ERROR 0x80
67 #define PAY_START 0x40
68 #define TRANS_PRIO 0x20
69 #define PID_MASK_HI 0x1F
70 //flags
71 #define TRANS_SCRMBL1 0x80
72 #define TRANS_SCRMBL2 0x40
73 #define ADAPT_FIELD 0x20
74 #define PAYLOAD 0x10
75 #define COUNT_MASK 0x0F
76
77 // adaptation flags
78 #define DISCON_IND 0x80
79 #define RAND_ACC_IND 0x40
80 #define ES_PRI_IND 0x20
81 #define PCR_FLAG 0x10
82 #define OPCR_FLAG 0x08
83 #define SPLICE_FLAG 0x04
84 #define TRANS_PRIV 0x02
85 #define ADAP_EXT_FLAG 0x01
86
87 // adaptation extension flags
88 #define LTW_FLAG 0x80
89 #define PIECE_RATE 0x40
90 #define SEAM_SPLICE 0x20
91
92
93 static void p_to_t(u8 const *buf, long int length, u16 pid,
94 u8 *counter, struct dvb_demux_feed *feed);
95
96
97 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
98 {
99 struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
100
101 if (!(dvbdmxfeed->ts_type & TS_PACKET))
102 return 0;
103 if (buf[3] == 0xe0) // video PES do not have a length in TS
104 buf[4] = buf[5] = 0;
105 if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
106 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
107 &dvbdmxfeed->feed.ts, DMX_OK);
108 else
109 return dvb_filter_pes2ts(p2t, buf, len, 1);
110 }
111
112 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
113 {
114 struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
115
116 dvbdmxfeed->cb.ts(data, 188, NULL, 0,
117 &dvbdmxfeed->feed.ts, DMX_OK);
118 return 0;
119 }
120
121 int av7110_av_start_record(struct av7110 *av7110, int av,
122 struct dvb_demux_feed *dvbdmxfeed)
123 {
124 struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
125
126 dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
127
128 if (av7110->playing || (av7110->rec_mode & av))
129 return -EBUSY;
130 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
131 dvbdmx->recording = 1;
132 av7110->rec_mode |= av;
133
134 switch (av7110->rec_mode) {
135 case RP_AUDIO:
136 dvb_filter_pes2ts_init(&av7110->p2t[0],
137 dvbdmx->pesfilter[0]->pid,
138 dvb_filter_pes2ts_cb,
139 (void *) dvbdmx->pesfilter[0]);
140 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
141 break;
142
143 case RP_VIDEO:
144 dvb_filter_pes2ts_init(&av7110->p2t[1],
145 dvbdmx->pesfilter[1]->pid,
146 dvb_filter_pes2ts_cb,
147 (void *) dvbdmx->pesfilter[1]);
148 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
149 break;
150
151 case RP_AV:
152 dvb_filter_pes2ts_init(&av7110->p2t[0],
153 dvbdmx->pesfilter[0]->pid,
154 dvb_filter_pes2ts_cb,
155 (void *) dvbdmx->pesfilter[0]);
156 dvb_filter_pes2ts_init(&av7110->p2t[1],
157 dvbdmx->pesfilter[1]->pid,
158 dvb_filter_pes2ts_cb,
159 (void *) dvbdmx->pesfilter[1]);
160 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
161 break;
162 }
163 return 0;
164 }
165
166 int av7110_av_start_play(struct av7110 *av7110, int av)
167 {
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 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
186 break;
187 case RP_VIDEO:
188 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 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
194 break;
195 }
196 return av7110->playing;
197 }
198
199 void av7110_av_stop(struct av7110 *av7110, int av)
200 {
201 dprintk(2, "av7110:%p, \n", av7110);
202
203 if (!(av7110->playing & av) && !(av7110->rec_mode & av))
204 return;
205
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 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
212 break;
213 case RP_VIDEO:
214 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
215 break;
216 case RP_NONE:
217 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 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
225 break;
226 case RP_VIDEO:
227 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
228 break;
229 case RP_NONE:
230 break;
231 }
232 }
233 }
234
235
236 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
237 {
238 int len;
239 u32 sync;
240 u16 blen;
241
242 if (!dlen) {
243 wake_up(&buf->queue);
244 return -1;
245 }
246 while (1) {
247 if ((len = dvb_ringbuffer_avail(buf)) < 6)
248 return -1;
249 sync = DVB_RINGBUFFER_PEEK(buf, 0) << 24;
250 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
251 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
252 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
253
254 if (((sync &~ 0x0f) == 0x000001e0) ||
255 ((sync &~ 0x1f) == 0x000001c0) ||
256 (sync == 0x000001bd))
257 break;
258 printk("resync\n");
259 DVB_RINGBUFFER_SKIP(buf, 1);
260 }
261 blen = DVB_RINGBUFFER_PEEK(buf, 4) << 8;
262 blen |= DVB_RINGBUFFER_PEEK(buf, 5);
263 blen += 6;
264 if (len < blen || blen > dlen) {
265 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
266 wake_up(&buf->queue);
267 return -1;
268 }
269
270 dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
271
272 dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
273 (unsigned long) buf->pread, (unsigned long) buf->pwrite);
274 wake_up(&buf->queue);
275 return blen;
276 }
277
278
279 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
280 {
281 int err, vol, val, balance = 0;
282
283 dprintk(2, "av7110:%p, \n", av7110);
284
285 av7110->mixer.volume_left = volleft;
286 av7110->mixer.volume_right = volright;
287
288 switch (av7110->adac_type) {
289 case DVB_ADAC_TI:
290 volleft = (volleft * 256) / 1036;
291 volright = (volright * 256) / 1036;
292 if (volleft > 0x3f)
293 volleft = 0x3f;
294 if (volright > 0x3f)
295 volright = 0x3f;
296 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
297 return err;
298 return SendDAC(av7110, 4, volright);
299
300 case DVB_ADAC_CRYSTAL:
301 volleft = 127 - volleft / 2;
302 volright = 127 - volright / 2;
303 i2c_writereg(av7110, 0x20, 0x03, volleft);
304 i2c_writereg(av7110, 0x20, 0x04, volright);
305 return 0;
306
307 case DVB_ADAC_MSP:
308 vol = (volleft > volright) ? volleft : volright;
309 val = (vol * 0x73 / 255) << 8;
310 if (vol > 0)
311 balance = ((volright - volleft) * 127) / vol;
312 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
313 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
314 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
315 return 0;
316 }
317 return 0;
318 }
319
320 void av7110_set_vidmode(struct av7110 *av7110, int mode)
321 {
322 dprintk(2, "av7110:%p, \n", av7110);
323
324 av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
325
326 if (!av7110->playing) {
327 ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
328 av7110->pids[DMX_PES_AUDIO],
329 av7110->pids[DMX_PES_TELETEXT],
330 0, av7110->pids[DMX_PES_PCR]);
331 av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
332 }
333 }
334
335
336 static int sw2mode[16] = {
337 VIDEO_MODE_PAL, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL,
338 VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL, VIDEO_MODE_NTSC,
339 VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
340 VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
341 };
342
343 static void get_video_format(struct av7110 *av7110, u8 *buf, int count)
344 {
345 int i;
346 int hsize, vsize;
347 int sw;
348 u8 *p;
349
350 dprintk(2, "av7110:%p, \n", av7110);
351
352 if (av7110->sinfo)
353 return;
354 for (i = 7; i < count - 10; i++) {
355 p = buf + i;
356 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
357 continue;
358 p += 4;
359 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
360 vsize = ((p[1] &0x0F) << 8) | (p[2]);
361 sw = (p[3] & 0x0F);
362 av7110_set_vidmode(av7110, sw2mode[sw]);
363 dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
364 av7110->sinfo = 1;
365 break;
366 }
367 }
368
369
370 /****************************************************************************
371 * I/O buffer management and control
372 ****************************************************************************/
373
374 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
375 const char *buf, unsigned long count)
376 {
377 unsigned long todo = count;
378 int free;
379
380 while (todo > 0) {
381 if (dvb_ringbuffer_free(rbuf) < 2048) {
382 if (wait_event_interruptible(rbuf->queue,
383 (dvb_ringbuffer_free(rbuf) >= 2048)))
384 return count - todo;
385 }
386 free = dvb_ringbuffer_free(rbuf);
387 if (free > todo)
388 free = todo;
389 dvb_ringbuffer_write(rbuf, buf, free);
390 todo -= free;
391 buf += free;
392 }
393
394 return count - todo;
395 }
396
397 static void play_video_cb(u8 *buf, int count, void *priv)
398 {
399 struct av7110 *av7110 = (struct av7110 *) priv;
400 dprintk(2, "av7110:%p, \n", av7110);
401
402 if ((buf[3] & 0xe0) == 0xe0) {
403 get_video_format(av7110, buf, count);
404 aux_ring_buffer_write(&av7110->avout, buf, count);
405 } else
406 aux_ring_buffer_write(&av7110->aout, buf, count);
407 }
408
409 static void play_audio_cb(u8 *buf, int count, void *priv)
410 {
411 struct av7110 *av7110 = (struct av7110 *) priv;
412 dprintk(2, "av7110:%p, \n", av7110);
413
414 aux_ring_buffer_write(&av7110->aout, buf, count);
415 }
416
417 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
418 dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
419
420 static ssize_t dvb_play(struct av7110 *av7110, const u8 __user *buf,
421 unsigned long count, int nonblock, int type)
422 {
423 unsigned long todo = count, n;
424 dprintk(2, "av7110:%p, \n", av7110);
425
426 if (!av7110->kbuf[type])
427 return -ENOBUFS;
428
429 if (nonblock && !FREE_COND)
430 return -EWOULDBLOCK;
431
432 while (todo > 0) {
433 if (!FREE_COND) {
434 if (nonblock)
435 return count - todo;
436 if (wait_event_interruptible(av7110->avout.queue,
437 FREE_COND))
438 return count - todo;
439 }
440 n = todo;
441 if (n > IPACKS * 2)
442 n = IPACKS * 2;
443 if (copy_from_user(av7110->kbuf[type], buf, n))
444 return -EFAULT;
445 av7110_ipack_instant_repack(av7110->kbuf[type], n,
446 &av7110->ipack[type]);
447 todo -= n;
448 buf += n;
449 }
450 return count - todo;
451 }
452
453 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
454 unsigned long count, int nonblock, int type)
455 {
456 unsigned long todo = count, n;
457 dprintk(2, "av7110:%p, \n", av7110);
458
459 if (!av7110->kbuf[type])
460 return -ENOBUFS;
461
462 if (nonblock && !FREE_COND)
463 return -EWOULDBLOCK;
464
465 while (todo > 0) {
466 if (!FREE_COND) {
467 if (nonblock)
468 return count - todo;
469 if (wait_event_interruptible(av7110->avout.queue,
470 FREE_COND))
471 return count - todo;
472 }
473 n = todo;
474 if (n > IPACKS * 2)
475 n = IPACKS * 2;
476 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
477 todo -= n;
478 buf += n;
479 }
480 return count - todo;
481 }
482
483 static ssize_t dvb_aplay(struct av7110 *av7110, const u8 __user *buf,
484 unsigned long count, int nonblock, int type)
485 {
486 unsigned long todo = count, n;
487 dprintk(2, "av7110:%p, \n", av7110);
488
489 if (!av7110->kbuf[type])
490 return -ENOBUFS;
491 if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
492 return -EWOULDBLOCK;
493
494 while (todo > 0) {
495 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
496 if (nonblock)
497 return count - todo;
498 if (wait_event_interruptible(av7110->aout.queue,
499 (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
500 return count-todo;
501 }
502 n = todo;
503 if (n > IPACKS * 2)
504 n = IPACKS * 2;
505 if (copy_from_user(av7110->kbuf[type], buf, n))
506 return -EFAULT;
507 av7110_ipack_instant_repack(av7110->kbuf[type], n,
508 &av7110->ipack[type]);
509 todo -= n;
510 buf += n;
511 }
512 return count - todo;
513 }
514
515 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
516 {
517 memset(p->pes, 0, TS_SIZE);
518 p->counter = 0;
519 p->pos = 0;
520 p->frags = 0;
521 if (feed)
522 p->feed = feed;
523 }
524
525 static void clear_p2t(struct av7110_p2t *p)
526 {
527 memset(p->pes, 0, TS_SIZE);
528 // p->counter = 0;
529 p->pos = 0;
530 p->frags = 0;
531 }
532
533
534 static int find_pes_header(u8 const *buf, long int length, int *frags)
535 {
536 int c = 0;
537 int found = 0;
538
539 *frags = 0;
540
541 while (c < length - 3 && !found) {
542 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
543 buf[c + 2] == 0x01) {
544 switch ( buf[c + 3] ) {
545 case PROG_STREAM_MAP:
546 case PRIVATE_STREAM2:
547 case PROG_STREAM_DIR:
548 case ECM_STREAM :
549 case EMM_STREAM :
550 case PADDING_STREAM :
551 case DSM_CC_STREAM :
552 case ISO13522_STREAM:
553 case PRIVATE_STREAM1:
554 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
555 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
556 found = 1;
557 break;
558
559 default:
560 c++;
561 break;
562 }
563 } else
564 c++;
565 }
566 if (c == length - 3 && !found) {
567 if (buf[length - 1] == 0x00)
568 *frags = 1;
569 if (buf[length - 2] == 0x00 &&
570 buf[length - 1] == 0x00)
571 *frags = 2;
572 if (buf[length - 3] == 0x00 &&
573 buf[length - 2] == 0x00 &&
574 buf[length - 1] == 0x01)
575 *frags = 3;
576 return -1;
577 }
578
579 return c;
580 }
581
582 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
583 {
584 int c, c2, l, add;
585 int check, rest;
586
587 c = 0;
588 c2 = 0;
589 if (p->frags){
590 check = 0;
591 switch(p->frags) {
592 case 1:
593 if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
594 check = 1;
595 c += 2;
596 }
597 break;
598 case 2:
599 if (buf[c] == 0x01) {
600 check = 1;
601 c++;
602 }
603 break;
604 case 3:
605 check = 1;
606 }
607 if (check) {
608 switch (buf[c]) {
609 case PROG_STREAM_MAP:
610 case PRIVATE_STREAM2:
611 case PROG_STREAM_DIR:
612 case ECM_STREAM :
613 case EMM_STREAM :
614 case PADDING_STREAM :
615 case DSM_CC_STREAM :
616 case ISO13522_STREAM:
617 case PRIVATE_STREAM1:
618 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
619 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
620 p->pes[0] = 0x00;
621 p->pes[1] = 0x00;
622 p->pes[2] = 0x01;
623 p->pes[3] = buf[c];
624 p->pos = 4;
625 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
626 c += (TS_SIZE - 4) - p->pos;
627 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
628 clear_p2t(p);
629 break;
630
631 default:
632 c = 0;
633 break;
634 }
635 }
636 p->frags = 0;
637 }
638
639 if (p->pos) {
640 c2 = find_pes_header(buf + c, length - c, &p->frags);
641 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
642 l = c2+c;
643 else
644 l = (TS_SIZE - 4) - p->pos;
645 memcpy(p->pes + p->pos, buf, l);
646 c += l;
647 p->pos += l;
648 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
649 clear_p2t(p);
650 }
651
652 add = 0;
653 while (c < length) {
654 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
655 if (c2 >= 0) {
656 c2 += c + add;
657 if (c2 > c){
658 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
659 c = c2;
660 clear_p2t(p);
661 add = 0;
662 } else
663 add = 1;
664 } else {
665 l = length - c;
666 rest = l % (TS_SIZE - 4);
667 l -= rest;
668 p_to_t(buf + c, l, pid, &p->counter, p->feed);
669 memcpy(p->pes, buf + c + l, rest);
670 p->pos = rest;
671 c = length;
672 }
673 }
674 }
675
676
677 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
678 {
679 int i;
680 int c = 0;
681 int fill;
682 u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
683
684 fill = (TS_SIZE - 4) - length;
685 if (pes_start)
686 tshead[1] = 0x40;
687 if (fill)
688 tshead[3] = 0x30;
689 tshead[1] |= (u8)((pid & 0x1F00) >> 8);
690 tshead[2] |= (u8)(pid & 0x00FF);
691 tshead[3] |= ((*counter)++ & 0x0F);
692 memcpy(buf, tshead, 4);
693 c += 4;
694
695 if (fill) {
696 buf[4] = fill - 1;
697 c++;
698 if (fill > 1) {
699 buf[5] = 0x00;
700 c++;
701 }
702 for (i = 6; i < fill + 4; i++) {
703 buf[i] = 0xFF;
704 c++;
705 }
706 }
707
708 return c;
709 }
710
711
712 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
713 struct dvb_demux_feed *feed)
714 {
715 int l, pes_start;
716 u8 obuf[TS_SIZE];
717 long c = 0;
718
719 pes_start = 0;
720 if (length > 3 &&
721 buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
722 switch (buf[3]) {
723 case PROG_STREAM_MAP:
724 case PRIVATE_STREAM2:
725 case PROG_STREAM_DIR:
726 case ECM_STREAM :
727 case EMM_STREAM :
728 case PADDING_STREAM :
729 case DSM_CC_STREAM :
730 case ISO13522_STREAM:
731 case PRIVATE_STREAM1:
732 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
733 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
734 pes_start = 1;
735 break;
736
737 default:
738 break;
739 }
740
741 while (c < length) {
742 memset(obuf, 0, TS_SIZE);
743 if (length - c >= (TS_SIZE - 4)){
744 l = write_ts_header2(pid, counter, pes_start,
745 obuf, (TS_SIZE - 4));
746 memcpy(obuf + l, buf + c, TS_SIZE - l);
747 c += TS_SIZE - l;
748 } else {
749 l = write_ts_header2(pid, counter, pes_start,
750 obuf, length - c);
751 memcpy(obuf + l, buf + c, TS_SIZE - l);
752 c = length;
753 }
754 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
755 pes_start = 0;
756 }
757 }
758
759
760 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
761 {
762 struct dvb_demux *demux = feed->demux;
763 struct av7110 *av7110 = (struct av7110 *) demux->priv;
764 struct ipack *ipack = &av7110->ipack[feed->pes_type];
765
766 dprintk(2, "av7110:%p, \n", av7110);
767
768 switch (feed->pes_type) {
769 case 0:
770 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
771 return -EINVAL;
772 break;
773 case 1:
774 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
775 return -EINVAL;
776 break;
777 default:
778 return -1;
779 }
780
781 if (!(buf[3] & 0x10)) /* no payload? */
782 return -1;
783 if (buf[1] & 0x40)
784 av7110_ipack_flush(ipack);
785
786 if (buf[3] & 0x20) { /* adaptation field? */
787 len -= buf[4] + 1;
788 buf += buf[4] + 1;
789 if (!len)
790 return 0;
791 }
792
793 av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
794 return 0;
795 }
796
797
798
799 /******************************************************************************
800 * Video MPEG decoder events
801 ******************************************************************************/
802 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
803 {
804 struct dvb_video_events *events = &av7110->video_events;
805 int wp;
806
807 spin_lock_bh(&events->lock);
808
809 wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
810 if (wp == events->eventr) {
811 events->overflow = 1;
812 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
813 }
814
815 //FIXME: timestamp?
816 memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
817 events->eventw = wp;
818
819 spin_unlock_bh(&events->lock);
820
821 wake_up_interruptible(&events->wait_queue);
822 }
823
824
825 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
826 {
827 struct dvb_video_events *events = &av7110->video_events;
828
829 if (events->overflow) {
830 events->overflow = 0;
831 return -EOVERFLOW;
832 }
833 if (events->eventw == events->eventr) {
834 int ret;
835
836 if (flags & O_NONBLOCK)
837 return -EWOULDBLOCK;
838
839 ret = wait_event_interruptible(events->wait_queue,
840 events->eventw != events->eventr);
841 if (ret < 0)
842 return ret;
843 }
844
845 spin_lock_bh(&events->lock);
846
847 memcpy(event, &events->events[events->eventr],
848 sizeof(struct video_event));
849 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
850
851 spin_unlock_bh(&events->lock);
852
853 return 0;
854 }
855
856
857 /******************************************************************************
858 * DVB device file operations
859 ******************************************************************************/
860
861 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
862 {
863 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
864 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
865 unsigned int mask = 0;
866
867 dprintk(2, "av7110:%p, \n", av7110);
868
869 if ((file->f_flags & O_ACCMODE) != O_RDONLY)
870 poll_wait(file, &av7110->avout.queue, wait);
871
872 poll_wait(file, &av7110->video_events.wait_queue, wait);
873
874 if (av7110->video_events.eventw != av7110->video_events.eventr)
875 mask = POLLPRI;
876
877 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
878 if (av7110->playing) {
879 if (FREE_COND)
880 mask |= (POLLOUT | POLLWRNORM);
881 } else /* if not playing: may play if asked for */
882 mask |= (POLLOUT | POLLWRNORM);
883 }
884
885 return mask;
886 }
887
888 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
889 size_t count, loff_t *ppos)
890 {
891 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
892 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
893
894 dprintk(2, "av7110:%p, \n", av7110);
895
896 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
897 return -EPERM;
898
899 if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
900 return -EPERM;
901
902 return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
903 }
904
905 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
906 {
907 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
908 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
909 unsigned int mask = 0;
910
911 dprintk(2, "av7110:%p, \n", av7110);
912
913 poll_wait(file, &av7110->aout.queue, wait);
914
915 if (av7110->playing) {
916 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
917 mask |= (POLLOUT | POLLWRNORM);
918 } else /* if not playing: may play if asked for */
919 mask = (POLLOUT | POLLWRNORM);
920
921 return mask;
922 }
923
924 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
925 size_t count, loff_t *ppos)
926 {
927 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
928 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
929
930 dprintk(2, "av7110:%p, \n", av7110);
931
932 if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
933 printk(KERN_ERR "not audio source memory\n");
934 return -EPERM;
935 }
936 return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
937 }
938
939 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
940
941 #define MIN_IFRAME 400000
942
943 static int play_iframe(struct av7110 *av7110, u8 __user *buf, unsigned int len, int nonblock)
944 {
945 int i, n;
946
947 dprintk(2, "av7110:%p, \n", av7110);
948
949 if (!(av7110->playing & RP_VIDEO)) {
950 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
951 return -EBUSY;
952 }
953
954 /* setting n always > 1, fixes problems when playing stillframes
955 consisting of I- and P-Frames */
956 n = MIN_IFRAME / len + 1;
957
958 /* FIXME: nonblock? */
959 dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
960
961 for (i = 0; i < n; i++)
962 dvb_play(av7110, buf, len, 0, 1);
963
964 av7110_ipack_flush(&av7110->ipack[1]);
965 return 0;
966 }
967
968
969 static int dvb_video_ioctl(struct inode *inode, struct file *file,
970 unsigned int cmd, void *parg)
971 {
972 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
973 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
974 unsigned long arg = (unsigned long) parg;
975 int ret = 0;
976
977 dprintk(2, "av7110:%p, \n", av7110);
978
979 if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
980 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
981 cmd != VIDEO_GET_SIZE ) {
982 return -EPERM;
983 }
984 }
985
986 switch (cmd) {
987 case VIDEO_STOP:
988 av7110->videostate.play_state = VIDEO_STOPPED;
989 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
990 av7110_av_stop(av7110, RP_VIDEO);
991 else
992 vidcom(av7110, VIDEO_CMD_STOP,
993 av7110->videostate.video_blank ? 0 : 1);
994 av7110->trickmode = TRICK_NONE;
995 break;
996
997 case VIDEO_PLAY:
998 av7110->trickmode = TRICK_NONE;
999 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1000 av7110->videostate.play_state = VIDEO_PLAYING;
1001 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1002 }
1003
1004 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1005 if (av7110->playing == RP_AV) {
1006 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1007 av7110->playing &= ~RP_VIDEO;
1008 }
1009 av7110_av_start_play(av7110, RP_VIDEO);
1010 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1011 } else {
1012 //av7110_av_stop(av7110, RP_VIDEO);
1013 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1014 }
1015 av7110->videostate.play_state = VIDEO_PLAYING;
1016 break;
1017
1018 case VIDEO_FREEZE:
1019 av7110->videostate.play_state = VIDEO_FREEZED;
1020 if (av7110->playing & RP_VIDEO)
1021 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1022 else
1023 vidcom(av7110, VIDEO_CMD_FREEZE, 1);
1024 av7110->trickmode = TRICK_FREEZE;
1025 break;
1026
1027 case VIDEO_CONTINUE:
1028 if (av7110->playing & RP_VIDEO)
1029 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1030 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1031 av7110->videostate.play_state = VIDEO_PLAYING;
1032 av7110->trickmode = TRICK_NONE;
1033 break;
1034
1035 case VIDEO_SELECT_SOURCE:
1036 av7110->videostate.stream_source = (video_stream_source_t) arg;
1037 break;
1038
1039 case VIDEO_SET_BLANK:
1040 av7110->videostate.video_blank = (int) arg;
1041 break;
1042
1043 case VIDEO_GET_STATUS:
1044 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1045 break;
1046
1047 case VIDEO_GET_EVENT:
1048 ret=dvb_video_get_event(av7110, parg, file->f_flags);
1049 break;
1050
1051 case VIDEO_GET_SIZE:
1052 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1053 break;
1054
1055 case VIDEO_SET_DISPLAY_FORMAT:
1056 {
1057 video_displayformat_t format = (video_displayformat_t) arg;
1058 u16 val = 0;
1059
1060 switch (format) {
1061 case VIDEO_PAN_SCAN:
1062 val = VID_PAN_SCAN_PREF;
1063 break;
1064
1065 case VIDEO_LETTER_BOX:
1066 val = VID_VC_AND_PS_PREF;
1067 break;
1068
1069 case VIDEO_CENTER_CUT_OUT:
1070 val = VID_CENTRE_CUT_PREF;
1071 break;
1072
1073 default:
1074 ret = -EINVAL;
1075 }
1076 if (ret < 0)
1077 break;
1078 av7110->videostate.display_format = format;
1079 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1080 1, (u16) val);
1081 break;
1082 }
1083
1084 case VIDEO_SET_FORMAT:
1085 if (arg > 1) {
1086 ret = -EINVAL;
1087 break;
1088 }
1089 av7110->display_ar = arg;
1090 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1091 1, (u16) arg);
1092 break;
1093
1094 case VIDEO_STILLPICTURE:
1095 {
1096 struct video_still_picture *pic =
1097 (struct video_still_picture *) parg;
1098 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1099 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1100 ret = play_iframe(av7110, pic->iFrame, pic->size,
1101 file->f_flags & O_NONBLOCK);
1102 break;
1103 }
1104
1105 case VIDEO_FAST_FORWARD:
1106 //note: arg is ignored by firmware
1107 if (av7110->playing & RP_VIDEO)
1108 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1109 __Scan_I, 2, AV_PES, 0);
1110 else
1111 vidcom(av7110, VIDEO_CMD_FFWD, arg);
1112 av7110->trickmode = TRICK_FAST;
1113 av7110->videostate.play_state = VIDEO_PLAYING;
1114 break;
1115
1116 case VIDEO_SLOWMOTION:
1117 if (av7110->playing&RP_VIDEO) {
1118 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1119 vidcom(av7110, VIDEO_CMD_SLOW, arg);
1120 } else {
1121 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1122 vidcom(av7110, VIDEO_CMD_STOP, 0);
1123 vidcom(av7110, VIDEO_CMD_SLOW, arg);
1124 }
1125 av7110->trickmode = TRICK_SLOW;
1126 av7110->videostate.play_state = VIDEO_PLAYING;
1127 break;
1128
1129 case VIDEO_GET_CAPABILITIES:
1130 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1131 VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1132 break;
1133
1134 case VIDEO_CLEAR_BUFFER:
1135 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1136 av7110_ipack_reset(&av7110->ipack[1]);
1137
1138 if (av7110->playing == RP_AV) {
1139 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1140 __Play, 2, AV_PES, 0);
1141 if (av7110->trickmode == TRICK_FAST)
1142 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1143 __Scan_I, 2, AV_PES, 0);
1144 if (av7110->trickmode == TRICK_SLOW) {
1145 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1146 __Slow, 2, 0, 0);
1147 vidcom(av7110, VIDEO_CMD_SLOW, arg);
1148 }
1149 if (av7110->trickmode == TRICK_FREEZE)
1150 vidcom(av7110, VIDEO_CMD_STOP, 1);
1151 }
1152 break;
1153
1154 case VIDEO_SET_STREAMTYPE:
1155
1156 break;
1157
1158 default:
1159 ret = -ENOIOCTLCMD;
1160 break;
1161 }
1162 return ret;
1163 }
1164
1165 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1166 unsigned int cmd, void *parg)
1167 {
1168 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1169 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1170 unsigned long arg = (unsigned long) parg;
1171 int ret = 0;
1172
1173 dprintk(2, "av7110:%p, \n", av7110);
1174
1175 if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1176 (cmd != AUDIO_GET_STATUS))
1177 return -EPERM;
1178
1179 switch (cmd) {
1180 case AUDIO_STOP:
1181 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1182 av7110_av_stop(av7110, RP_AUDIO);
1183 else
1184 audcom(av7110, AUDIO_CMD_MUTE);
1185 av7110->audiostate.play_state = AUDIO_STOPPED;
1186 break;
1187
1188 case AUDIO_PLAY:
1189 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1190 av7110_av_start_play(av7110, RP_AUDIO);
1191 audcom(av7110, AUDIO_CMD_UNMUTE);
1192 av7110->audiostate.play_state = AUDIO_PLAYING;
1193 break;
1194
1195 case AUDIO_PAUSE:
1196 audcom(av7110, AUDIO_CMD_MUTE);
1197 av7110->audiostate.play_state = AUDIO_PAUSED;
1198 break;
1199
1200 case AUDIO_CONTINUE:
1201 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1202 av7110->audiostate.play_state = AUDIO_PLAYING;
1203 audcom(av7110, AUDIO_CMD_MUTE | AUDIO_CMD_PCM16);
1204 }
1205 break;
1206
1207 case AUDIO_SELECT_SOURCE:
1208 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1209 break;
1210
1211 case AUDIO_SET_MUTE:
1212 {
1213 audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1214 av7110->audiostate.mute_state = (int) arg;
1215 break;
1216 }
1217
1218 case AUDIO_SET_AV_SYNC:
1219 av7110->audiostate.AV_sync_state = (int) arg;
1220 audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1221 break;
1222
1223 case AUDIO_SET_BYPASS_MODE:
1224 ret = -EINVAL;
1225 break;
1226
1227 case AUDIO_CHANNEL_SELECT:
1228 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1229
1230 switch(av7110->audiostate.channel_select) {
1231 case AUDIO_STEREO:
1232 audcom(av7110, AUDIO_CMD_STEREO);
1233 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1234 i2c_writereg(av7110, 0x20, 0x02, 0x49);
1235 break;
1236
1237 case AUDIO_MONO_LEFT:
1238 audcom(av7110, AUDIO_CMD_MONO_L);
1239 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1240 i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1241 break;
1242
1243 case AUDIO_MONO_RIGHT:
1244 audcom(av7110, AUDIO_CMD_MONO_R);
1245 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1246 i2c_writereg(av7110, 0x20, 0x02, 0x45);
1247 break;
1248
1249 default:
1250 ret = -EINVAL;
1251 break;
1252 }
1253 break;
1254
1255 case AUDIO_GET_STATUS:
1256 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1257 break;
1258
1259 case AUDIO_GET_CAPABILITIES:
1260 *(int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1261 break;
1262
1263 case AUDIO_CLEAR_BUFFER:
1264 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1265 av7110_ipack_reset(&av7110->ipack[0]);
1266 if (av7110->playing == RP_AV)
1267 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1268 __Play, 2, AV_PES, 0);
1269 break;
1270 case AUDIO_SET_ID:
1271
1272 break;
1273 case AUDIO_SET_MIXER:
1274 {
1275 struct audio_mixer *amix = (struct audio_mixer *)parg;
1276
1277 av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1278 break;
1279 }
1280 case AUDIO_SET_STREAMTYPE:
1281 break;
1282 default:
1283 ret = -ENOIOCTLCMD;
1284 }
1285 return ret;
1286 }
1287
1288
1289 static int dvb_video_open(struct inode *inode, struct file *file)
1290 {
1291 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1292 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1293 int err;
1294
1295 dprintk(2, "av7110:%p, \n", av7110);
1296
1297 if ((err = dvb_generic_open(inode, file)) < 0)
1298 return err;
1299
1300 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1301 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1302 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1303 av7110->video_blank = 1;
1304 av7110->audiostate.AV_sync_state = 1;
1305 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1306
1307 /* empty event queue */
1308 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1309 }
1310
1311 return 0;
1312 }
1313
1314 static int dvb_video_release(struct inode *inode, struct file *file)
1315 {
1316 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1317 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1318
1319 dprintk(2, "av7110:%p, \n", av7110);
1320
1321 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1322 av7110_av_stop(av7110, RP_VIDEO);
1323 }
1324
1325 return dvb_generic_release(inode, file);
1326 }
1327
1328 static int dvb_audio_open(struct inode *inode, struct file *file)
1329 {
1330 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1331 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1332 int err=dvb_generic_open(inode, file);
1333
1334 dprintk(2, "av7110:%p, \n", av7110);
1335
1336 if (err < 0)
1337 return err;
1338 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1339 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1340 return 0;
1341 }
1342
1343 static int dvb_audio_release(struct inode *inode, struct file *file)
1344 {
1345 struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1346 struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1347
1348 dprintk(2, "av7110:%p, \n", av7110);
1349
1350 av7110_av_stop(av7110, RP_AUDIO);
1351 return dvb_generic_release(inode, file);
1352 }
1353
1354
1355
1356 /******************************************************************************
1357 * driver registration
1358 ******************************************************************************/
1359
1360 static struct file_operations dvb_video_fops = {
1361 .owner = THIS_MODULE,
1362 .write = dvb_video_write,
1363 .ioctl = dvb_generic_ioctl,
1364 .open = dvb_video_open,
1365 .release = dvb_video_release,
1366 .poll = dvb_video_poll,
1367 };
1368
1369 static struct dvb_device dvbdev_video = {
1370 .priv = NULL,
1371 .users = 6,
1372 .readers = 5, /* arbitrary */
1373 .writers = 1,
1374 .fops = &dvb_video_fops,
1375 .kernel_ioctl = dvb_video_ioctl,
1376 };
1377
1378 static struct file_operations dvb_audio_fops = {
1379 .owner = THIS_MODULE,
1380 .write = dvb_audio_write,
1381 .ioctl = dvb_generic_ioctl,
1382 .open = dvb_audio_open,
1383 .release = dvb_audio_release,
1384 .poll = dvb_audio_poll,
1385 };
1386
1387 static struct dvb_device dvbdev_audio = {
1388 .priv = NULL,
1389 .users = 1,
1390 .writers = 1,
1391 .fops = &dvb_audio_fops,
1392 .kernel_ioctl = dvb_audio_ioctl,
1393 };
1394
1395
1396 int av7110_av_register(struct av7110 *av7110)
1397 {
1398 av7110->audiostate.AV_sync_state = 0;
1399 av7110->audiostate.mute_state = 0;
1400 av7110->audiostate.play_state = AUDIO_STOPPED;
1401 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1402 av7110->audiostate.channel_select = AUDIO_STEREO;
1403 av7110->audiostate.bypass_mode = 0;
1404
1405 av7110->videostate.video_blank = 0;
1406 av7110->videostate.play_state = VIDEO_STOPPED;
1407 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1408 av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1409 av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
1410 av7110->display_ar = VIDEO_FORMAT_4_3;
1411
1412 init_waitqueue_head(&av7110->video_events.wait_queue);
1413 spin_lock_init(&av7110->video_events.lock);
1414 av7110->video_events.eventw = av7110->video_events.eventr = 0;
1415 av7110->video_events.overflow = 0;
1416 memset(&av7110->video_size, 0, sizeof (video_size_t));
1417
1418 dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1419 &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1420
1421 dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1422 &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1423
1424 return 0;
1425 }
1426
1427 void av7110_av_unregister(struct av7110 *av7110)
1428 {
1429 dvb_unregister_device(av7110->audio_dev);
1430 dvb_unregister_device(av7110->video_dev);
1431 }
1432
1433 int av7110_av_init(struct av7110 *av7110)
1434 {
1435 void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1436 int i, ret;
1437
1438 av7110->vidmode = VIDEO_MODE_PAL;
1439
1440 for (i = 0; i < 2; i++) {
1441 struct ipack *ipack = av7110->ipack + i;
1442
1443 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1444 if (ret < 0) {
1445 if (i)
1446 av7110_ipack_free(--ipack);
1447 goto out;
1448 }
1449 ipack->data = av7110;
1450 }
1451
1452 dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1453 dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1454
1455 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1456 av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1457 out:
1458 return ret;
1459 }
1460
1461 void av7110_av_exit(struct av7110 *av7110)
1462 {
1463 av7110_ipack_free(&av7110->ipack[0]);
1464 av7110_ipack_free(&av7110->ipack[1]);
1465 }
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