?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / media / dvb / ttpci / av7110_av.c
blobc52eca2ff9e06f7e5623eda949566e25764e40dd
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 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, DMX_OK);
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, DMX_OK);
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 if ((len = dvb_ringbuffer_avail(buf)) < 6)
249 return -1;
250 sync = DVB_RINGBUFFER_PEEK(buf, 0) << 24;
251 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
252 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
253 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
254
255 if (((sync &~ 0x0f) == 0x000001e0) ||
256 ((sync &~ 0x1f) == 0x000001c0) ||
257 (sync == 0x000001bd))
258 break;
259 printk("resync\n");
260 DVB_RINGBUFFER_SKIP(buf, 1);
261 }
262 blen = DVB_RINGBUFFER_PEEK(buf, 4) << 8;
263 blen |= DVB_RINGBUFFER_PEEK(buf, 5);
264 blen += 6;
265 if (len < blen || blen > dlen) {
266 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
267 wake_up(&buf->queue);
268 return -1;
269 }
270
271 dvb_ringbuffer_read(buf, dest, (size_t) blen);
272
273 dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
274 (unsigned long) buf->pread, (unsigned long) buf->pwrite);
275 wake_up(&buf->queue);
276 return blen;
277 }
278
279
280 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
281 {
282 int err, vol, val, balance = 0;
283
284 dprintk(2, "av7110:%p, \n", av7110);
285
286 av7110->mixer.volume_left = volleft;
287 av7110->mixer.volume_right = volright;
288
289 switch (av7110->adac_type) {
290 case DVB_ADAC_TI:
291 volleft = (volleft * 256) / 1036;
292 volright = (volright * 256) / 1036;
293 if (volleft > 0x3f)
294 volleft = 0x3f;
295 if (volright > 0x3f)
296 volright = 0x3f;
297 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
298 return err;
299 return SendDAC(av7110, 4, volright);
300
301 case DVB_ADAC_CRYSTAL:
302 volleft = 127 - volleft / 2;
303 volright = 127 - volright / 2;
304 i2c_writereg(av7110, 0x20, 0x03, volleft);
305 i2c_writereg(av7110, 0x20, 0x04, volright);
306 return 0;
307
308 case DVB_ADAC_MSP34x0:
309 vol = (volleft > volright) ? volleft : volright;
310 val = (vol * 0x73 / 255) << 8;
311 if (vol > 0)
312 balance = ((volright - volleft) * 127) / vol;
313 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
314 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
315 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
316 return 0;
317
318 case DVB_ADAC_MSP34x5:
319 vol = (volleft > volright) ? volleft : volright;
320 val = (vol * 0x73 / 255) << 8;
321 if (vol > 0)
322 balance = ((volright - volleft) * 127) / vol;
323 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
324 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
325 return 0;
326 }
327
328 return 0;
329 }
330
331 int av7110_set_vidmode(struct av7110 *av7110, enum av7110_video_mode mode)
332 {
333 int ret;
334 dprintk(2, "av7110:%p, \n", av7110);
335
336 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
337
338 if (!ret && !av7110->playing) {
339 ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
340 av7110->pids[DMX_PES_AUDIO],
341 av7110->pids[DMX_PES_TELETEXT],
342 0, av7110->pids[DMX_PES_PCR]);
343 if (!ret)
344 ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
345 }
346 return ret;
347 }
348
349
350 static enum av7110_video_mode sw2mode[16] = {
351 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
352 AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_PAL,
353 AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_NTSC,
354 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC,
355 AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL,
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 };
360
361 static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
362 {
363 int i;
364 int hsize, vsize;
365 int sw;
366 u8 *p;
367 int ret = 0;
368
369 dprintk(2, "av7110:%p, \n", av7110);
370
371 if (av7110->sinfo)
372 return 0;
373 for (i = 7; i < count - 10; i++) {
374 p = buf + i;
375 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
376 continue;
377 p += 4;
378 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
379 vsize = ((p[1] &0x0F) << 8) | (p[2]);
380 sw = (p[3] & 0x0F);
381 ret = av7110_set_vidmode(av7110, sw2mode[sw]);
382 if (!ret) {
383 dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
384 av7110->sinfo = 1;
385 }
386 break;
387 }
388 return ret;
389 }
390
391
392 /****************************************************************************
393 * I/O buffer management and control
394 ****************************************************************************/
395
396 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
397 const u8 *buf, unsigned long count)
398 {
399 unsigned long todo = count;
400 int free;
401
402 while (todo > 0) {
403 if (dvb_ringbuffer_free(rbuf) < 2048) {
404 if (wait_event_interruptible(rbuf->queue,
405 (dvb_ringbuffer_free(rbuf) >= 2048)))
406 return count - todo;
407 }
408 free = dvb_ringbuffer_free(rbuf);
409 if (free > todo)
410 free = todo;
411 dvb_ringbuffer_write(rbuf, buf, free);
412 todo -= free;
413 buf += free;
414 }
415
416 return count - todo;
417 }
418
419 static void play_video_cb(u8 *buf, int count, void *priv)
420 {
421 struct av7110 *av7110 = (struct av7110 *) priv;
422 dprintk(2, "av7110:%p, \n", av7110);
423
424 if ((buf[3] & 0xe0) == 0xe0) {
425 get_video_format(av7110, buf, count);
426 aux_ring_buffer_write(&av7110->avout, buf, count);
427 } else
428 aux_ring_buffer_write(&av7110->aout, buf, count);
429 }
430
431 static void play_audio_cb(u8 *buf, int count, void *priv)
432 {
433 struct av7110 *av7110 = (struct av7110 *) priv;
434 dprintk(2, "av7110:%p, \n", av7110);
435
436 aux_ring_buffer_write(&av7110->aout, buf, count);
437 }
438
439
440 #define FREE_COND_TS (dvb_ringbuffer_free(rb) >= 4096)
441
442 static ssize_t ts_play(struct av7110 *av7110, const char __user *buf,
443 unsigned long count, int nonblock, int type)
444 {
445 struct dvb_ringbuffer *rb;
446 u8 *kb;
447 unsigned long todo = count;
448
449 dprintk(2, "%s: type %d cnt %lu\n", __func__, type, count);
450
451 rb = (type) ? &av7110->avout : &av7110->aout;
452 kb = av7110->kbuf[type];
453
454 if (!kb)
455 return -ENOBUFS;
456
457 if (nonblock && !FREE_COND_TS)
458 return -EWOULDBLOCK;
459
460 while (todo >= TS_SIZE) {
461 if (!FREE_COND_TS) {
462 if (nonblock)
463 return count - todo;
464 if (wait_event_interruptible(rb->queue, FREE_COND_TS))
465 return count - todo;
466 }
467 if (copy_from_user(kb, buf, TS_SIZE))
468 return -EFAULT;
469 write_ts_to_decoder(av7110, type, kb, TS_SIZE);
470 todo -= TS_SIZE;
471 buf += TS_SIZE;
472 }
473
474 return count - todo;
475 }
476
477
478 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
479 dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
480
481 static ssize_t dvb_play(struct av7110 *av7110, const char __user *buf,
482 unsigned long count, int nonblock, int type)
483 {
484 unsigned long todo = count, n;
485 dprintk(2, "av7110:%p, \n", av7110);
486
487 if (!av7110->kbuf[type])
488 return -ENOBUFS;
489
490 if (nonblock && !FREE_COND)
491 return -EWOULDBLOCK;
492
493 while (todo > 0) {
494 if (!FREE_COND) {
495 if (nonblock)
496 return count - todo;
497 if (wait_event_interruptible(av7110->avout.queue,
498 FREE_COND))
499 return count - todo;
500 }
501 n = todo;
502 if (n > IPACKS * 2)
503 n = IPACKS * 2;
504 if (copy_from_user(av7110->kbuf[type], buf, n))
505 return -EFAULT;
506 av7110_ipack_instant_repack(av7110->kbuf[type], n,
507 &av7110->ipack[type]);
508 todo -= n;
509 buf += n;
510 }
511 return count - todo;
512 }
513
514 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
515 unsigned long count, int nonblock, int type)
516 {
517 unsigned long todo = count, n;
518 dprintk(2, "av7110:%p, \n", av7110);
519
520 if (!av7110->kbuf[type])
521 return -ENOBUFS;
522
523 if (nonblock && !FREE_COND)
524 return -EWOULDBLOCK;
525
526 while (todo > 0) {
527 if (!FREE_COND) {
528 if (nonblock)
529 return count - todo;
530 if (wait_event_interruptible(av7110->avout.queue,
531 FREE_COND))
532 return count - todo;
533 }
534 n = todo;
535 if (n > IPACKS * 2)
536 n = IPACKS * 2;
537 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
538 todo -= n;
539 buf += n;
540 }
541 return count - todo;
542 }
543
544 static ssize_t dvb_aplay(struct av7110 *av7110, const char __user *buf,
545 unsigned long count, int nonblock, int type)
546 {
547 unsigned long todo = count, n;
548 dprintk(2, "av7110:%p, \n", av7110);
549
550 if (!av7110->kbuf[type])
551 return -ENOBUFS;
552 if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
553 return -EWOULDBLOCK;
554
555 while (todo > 0) {
556 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
557 if (nonblock)
558 return count - todo;
559 if (wait_event_interruptible(av7110->aout.queue,
560 (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
561 return count-todo;
562 }
563 n = todo;
564 if (n > IPACKS * 2)
565 n = IPACKS * 2;
566 if (copy_from_user(av7110->kbuf[type], buf, n))
567 return -EFAULT;
568 av7110_ipack_instant_repack(av7110->kbuf[type], n,
569 &av7110->ipack[type]);
570 todo -= n;
571 buf += n;
572 }
573 return count - todo;
574 }
575
576 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
577 {
578 memset(p->pes, 0, TS_SIZE);
579 p->counter = 0;
580 p->pos = 0;
581 p->frags = 0;
582 if (feed)
583 p->feed = feed;
584 }
585
586 static void clear_p2t(struct av7110_p2t *p)
587 {
588 memset(p->pes, 0, TS_SIZE);
589 // p->counter = 0;
590 p->pos = 0;
591 p->frags = 0;
592 }
593
594
595 static int find_pes_header(u8 const *buf, long int length, int *frags)
596 {
597 int c = 0;
598 int found = 0;
599
600 *frags = 0;
601
602 while (c < length - 3 && !found) {
603 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
604 buf[c + 2] == 0x01) {
605 switch ( buf[c + 3] ) {
606 case PROG_STREAM_MAP:
607 case PRIVATE_STREAM2:
608 case PROG_STREAM_DIR:
609 case ECM_STREAM :
610 case EMM_STREAM :
611 case PADDING_STREAM :
612 case DSM_CC_STREAM :
613 case ISO13522_STREAM:
614 case PRIVATE_STREAM1:
615 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
616 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
617 found = 1;
618 break;
619
620 default:
621 c++;
622 break;
623 }
624 } else
625 c++;
626 }
627 if (c == length - 3 && !found) {
628 if (buf[length - 1] == 0x00)
629 *frags = 1;
630 if (buf[length - 2] == 0x00 &&
631 buf[length - 1] == 0x00)
632 *frags = 2;
633 if (buf[length - 3] == 0x00 &&
634 buf[length - 2] == 0x00 &&
635 buf[length - 1] == 0x01)
636 *frags = 3;
637 return -1;
638 }
639
640 return c;
641 }
642
643 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
644 {
645 int c, c2, l, add;
646 int check, rest;
647
648 c = 0;
649 c2 = 0;
650 if (p->frags){
651 check = 0;
652 switch(p->frags) {
653 case 1:
654 if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
655 check = 1;
656 c += 2;
657 }
658 break;
659 case 2:
660 if (buf[c] == 0x01) {
661 check = 1;
662 c++;
663 }
664 break;
665 case 3:
666 check = 1;
667 }
668 if (check) {
669 switch (buf[c]) {
670 case PROG_STREAM_MAP:
671 case PRIVATE_STREAM2:
672 case PROG_STREAM_DIR:
673 case ECM_STREAM :
674 case EMM_STREAM :
675 case PADDING_STREAM :
676 case DSM_CC_STREAM :
677 case ISO13522_STREAM:
678 case PRIVATE_STREAM1:
679 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
680 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
681 p->pes[0] = 0x00;
682 p->pes[1] = 0x00;
683 p->pes[2] = 0x01;
684 p->pes[3] = buf[c];
685 p->pos = 4;
686 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
687 c += (TS_SIZE - 4) - p->pos;
688 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
689 clear_p2t(p);
690 break;
691
692 default:
693 c = 0;
694 break;
695 }
696 }
697 p->frags = 0;
698 }
699
700 if (p->pos) {
701 c2 = find_pes_header(buf + c, length - c, &p->frags);
702 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
703 l = c2+c;
704 else
705 l = (TS_SIZE - 4) - p->pos;
706 memcpy(p->pes + p->pos, buf, l);
707 c += l;
708 p->pos += l;
709 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
710 clear_p2t(p);
711 }
712
713 add = 0;
714 while (c < length) {
715 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
716 if (c2 >= 0) {
717 c2 += c + add;
718 if (c2 > c){
719 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
720 c = c2;
721 clear_p2t(p);
722 add = 0;
723 } else
724 add = 1;
725 } else {
726 l = length - c;
727 rest = l % (TS_SIZE - 4);
728 l -= rest;
729 p_to_t(buf + c, l, pid, &p->counter, p->feed);
730 memcpy(p->pes, buf + c + l, rest);
731 p->pos = rest;
732 c = length;
733 }
734 }
735 }
736
737
738 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
739 {
740 int i;
741 int c = 0;
742 int fill;
743 u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
744
745 fill = (TS_SIZE - 4) - length;
746 if (pes_start)
747 tshead[1] = 0x40;
748 if (fill)
749 tshead[3] = 0x30;
750 tshead[1] |= (u8)((pid & 0x1F00) >> 8);
751 tshead[2] |= (u8)(pid & 0x00FF);
752 tshead[3] |= ((*counter)++ & 0x0F);
753 memcpy(buf, tshead, 4);
754 c += 4;
755
756 if (fill) {
757 buf[4] = fill - 1;
758 c++;
759 if (fill > 1) {
760 buf[5] = 0x00;
761 c++;
762 }
763 for (i = 6; i < fill + 4; i++) {
764 buf[i] = 0xFF;
765 c++;
766 }
767 }
768
769 return c;
770 }
771
772
773 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
774 struct dvb_demux_feed *feed)
775 {
776 int l, pes_start;
777 u8 obuf[TS_SIZE];
778 long c = 0;
779
780 pes_start = 0;
781 if (length > 3 &&
782 buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
783 switch (buf[3]) {
784 case PROG_STREAM_MAP:
785 case PRIVATE_STREAM2:
786 case PROG_STREAM_DIR:
787 case ECM_STREAM :
788 case EMM_STREAM :
789 case PADDING_STREAM :
790 case DSM_CC_STREAM :
791 case ISO13522_STREAM:
792 case PRIVATE_STREAM1:
793 case AUDIO_STREAM_S ... AUDIO_STREAM_E:
794 case VIDEO_STREAM_S ... VIDEO_STREAM_E:
795 pes_start = 1;
796 break;
797
798 default:
799 break;
800 }
801
802 while (c < length) {
803 memset(obuf, 0, TS_SIZE);
804 if (length - c >= (TS_SIZE - 4)){
805 l = write_ts_header2(pid, counter, pes_start,
806 obuf, (TS_SIZE - 4));
807 memcpy(obuf + l, buf + c, TS_SIZE - l);
808 c += TS_SIZE - l;
809 } else {
810 l = write_ts_header2(pid, counter, pes_start,
811 obuf, length - c);
812 memcpy(obuf + l, buf + c, TS_SIZE - l);
813 c = length;
814 }
815 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
816 pes_start = 0;
817 }
818 }
819
820
821 static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, size_t len)
822 {
823 struct ipack *ipack = &av7110->ipack[type];
824
825 if (buf[1] & TRANS_ERROR) {
826 av7110_ipack_reset(ipack);
827 return -1;
828 }
829
830 if (!(buf[3] & PAYLOAD))
831 return -1;
832
833 if (buf[1] & PAY_START)
834 av7110_ipack_flush(ipack);
835
836 if (buf[3] & ADAPT_FIELD) {
837 len -= buf[4] + 1;
838 buf += buf[4] + 1;
839 if (!len)
840 return 0;
841 }
842
843 av7110_ipack_instant_repack(buf + 4, len - 4, ipack);
844 return 0;
845 }
846
847
848 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
849 {
850 struct dvb_demux *demux = feed->demux;
851 struct av7110 *av7110 = (struct av7110 *) demux->priv;
852
853 dprintk(2, "av7110:%p, \n", av7110);
854
855 if (av7110->full_ts && demux->dmx.frontend->source != DMX_MEMORY_FE)
856 return 0;
857
858 switch (feed->pes_type) {
859 case 0:
860 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
861 return -EINVAL;
862 break;
863 case 1:
864 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
865 return -EINVAL;
866 break;
867 default:
868 return -1;
869 }
870
871 return write_ts_to_decoder(av7110, feed->pes_type, buf, len);
872 }
873
874
875
876 /******************************************************************************
877 * Video MPEG decoder events
878 ******************************************************************************/
879 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
880 {
881 struct dvb_video_events *events = &av7110->video_events;
882 int wp;
883
884 spin_lock_bh(&events->lock);
885
886 wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
887 if (wp == events->eventr) {
888 events->overflow = 1;
889 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
890 }
891
892 memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
893 events->eventw = wp;
894
895 spin_unlock_bh(&events->lock);
896
897 wake_up_interruptible(&events->wait_queue);
898 }
899
900
901 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
902 {
903 struct dvb_video_events *events = &av7110->video_events;
904
905 if (events->overflow) {
906 events->overflow = 0;
907 return -EOVERFLOW;
908 }
909 if (events->eventw == events->eventr) {
910 int ret;
911
912 if (flags & O_NONBLOCK)
913 return -EWOULDBLOCK;
914
915 ret = wait_event_interruptible(events->wait_queue,
916 events->eventw != events->eventr);
917 if (ret < 0)
918 return ret;
919 }
920
921 spin_lock_bh(&events->lock);
922
923 memcpy(event, &events->events[events->eventr],
924 sizeof(struct video_event));
925 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
926
927 spin_unlock_bh(&events->lock);
928
929 return 0;
930 }
931
932
933 /******************************************************************************
934 * DVB device file operations
935 ******************************************************************************/
936
937 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
938 {
939 struct dvb_device *dvbdev = file->private_data;
940 struct av7110 *av7110 = dvbdev->priv;
941 unsigned int mask = 0;
942
943 dprintk(2, "av7110:%p, \n", av7110);
944
945 if ((file->f_flags & O_ACCMODE) != O_RDONLY)
946 poll_wait(file, &av7110->avout.queue, wait);
947
948 poll_wait(file, &av7110->video_events.wait_queue, wait);
949
950 if (av7110->video_events.eventw != av7110->video_events.eventr)
951 mask = POLLPRI;
952
953 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
954 if (av7110->playing) {
955 if (FREE_COND)
956 mask |= (POLLOUT | POLLWRNORM);
957 } else /* if not playing: may play if asked for */
958 mask |= (POLLOUT | POLLWRNORM);
959 }
960
961 return mask;
962 }
963
964 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
965 size_t count, loff_t *ppos)
966 {
967 struct dvb_device *dvbdev = file->private_data;
968 struct av7110 *av7110 = dvbdev->priv;
969 unsigned char c;
970
971 dprintk(2, "av7110:%p, \n", av7110);
972
973 if ((file->f_flags & O_ACCMODE) == O_RDONLY)
974 return -EPERM;
975
976 if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
977 return -EPERM;
978
979 if (get_user(c, buf))
980 return -EFAULT;
981 if (c == 0x47 && count % TS_SIZE == 0)
982 return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
983 else
984 return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
985 }
986
987 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
988 {
989 struct dvb_device *dvbdev = file->private_data;
990 struct av7110 *av7110 = dvbdev->priv;
991 unsigned int mask = 0;
992
993 dprintk(2, "av7110:%p, \n", av7110);
994
995 poll_wait(file, &av7110->aout.queue, wait);
996
997 if (av7110->playing) {
998 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
999 mask |= (POLLOUT | POLLWRNORM);
1000 } else /* if not playing: may play if asked for */
1001 mask = (POLLOUT | POLLWRNORM);
1002
1003 return mask;
1004 }
1005
1006 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
1007 size_t count, loff_t *ppos)
1008 {
1009 struct dvb_device *dvbdev = file->private_data;
1010 struct av7110 *av7110 = dvbdev->priv;
1011 unsigned char c;
1012
1013 dprintk(2, "av7110:%p, \n", av7110);
1014
1015 if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
1016 printk(KERN_ERR "not audio source memory\n");
1017 return -EPERM;
1018 }
1019
1020 if (get_user(c, buf))
1021 return -EFAULT;
1022 if (c == 0x47 && count % TS_SIZE == 0)
1023 return ts_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
1024 else
1025 return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
1026 }
1027
1028 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
1029
1030 #define MIN_IFRAME 400000
1031
1032 static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock)
1033 {
1034 unsigned i, n;
1035 int progressive = 0;
1036 int match = 0;
1037
1038 dprintk(2, "av7110:%p, \n", av7110);
1039
1040 if (!(av7110->playing & RP_VIDEO)) {
1041 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
1042 return -EBUSY;
1043 }
1044
1045 /* search in buf for instances of 00 00 01 b5 1? */
1046 for (i = 0; i < len; i++) {
1047 unsigned char c;
1048 if (get_user(c, buf + i))
1049 return -EFAULT;
1050 if (match == 5) {
1051 progressive = c & 0x08;
1052 match = 0;
1053 }
1054 if (c == 0x00) {
1055 match = (match == 1 || match == 2) ? 2 : 1;
1056 continue;
1057 }
1058 switch (match++) {
1059 case 2: if (c == 0x01)
1060 continue;
1061 break;
1062 case 3: if (c == 0xb5)
1063 continue;
1064 break;
1065 case 4: if ((c & 0xf0) == 0x10)
1066 continue;
1067 break;
1068 }
1069 match = 0;
1070 }
1071
1072 /* setting n always > 1, fixes problems when playing stillframes
1073 consisting of I- and P-Frames */
1074 n = MIN_IFRAME / len + 1;
1075
1076 dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
1077
1078 for (i = 0; i < n; i++)
1079 dvb_play(av7110, buf, len, 0, 1);
1080
1081 av7110_ipack_flush(&av7110->ipack[1]);
1082
1083 if (progressive)
1084 return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1085 else
1086 return 0;
1087 }
1088
1089
1090 static int dvb_video_ioctl(struct file *file,
1091 unsigned int cmd, void *parg)
1092 {
1093 struct dvb_device *dvbdev = file->private_data;
1094 struct av7110 *av7110 = dvbdev->priv;
1095 unsigned long arg = (unsigned long) parg;
1096 int ret = 0;
1097
1098 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1099
1100 if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
1101 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
1102 cmd != VIDEO_GET_SIZE ) {
1103 return -EPERM;
1104 }
1105 }
1106
1107 switch (cmd) {
1108 case VIDEO_STOP:
1109 av7110->videostate.play_state = VIDEO_STOPPED;
1110 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1111 ret = av7110_av_stop(av7110, RP_VIDEO);
1112 else
1113 ret = vidcom(av7110, AV_VIDEO_CMD_STOP,
1114 av7110->videostate.video_blank ? 0 : 1);
1115 if (!ret)
1116 av7110->trickmode = TRICK_NONE;
1117 break;
1118
1119 case VIDEO_PLAY:
1120 av7110->trickmode = TRICK_NONE;
1121 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1122 av7110->videostate.play_state = VIDEO_PLAYING;
1123 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1124 if (ret)
1125 break;
1126 }
1127 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1128 if (av7110->playing == RP_AV) {
1129 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1130 if (ret)
1131 break;
1132 av7110->playing &= ~RP_VIDEO;
1133 }
1134 ret = av7110_av_start_play(av7110, RP_VIDEO);
1135 }
1136 if (!ret)
1137 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1138 if (!ret)
1139 av7110->videostate.play_state = VIDEO_PLAYING;
1140 break;
1141
1142 case VIDEO_FREEZE:
1143 av7110->videostate.play_state = VIDEO_FREEZED;
1144 if (av7110->playing & RP_VIDEO)
1145 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1146 else
1147 ret = vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1148 if (!ret)
1149 av7110->trickmode = TRICK_FREEZE;
1150 break;
1151
1152 case VIDEO_CONTINUE:
1153 if (av7110->playing & RP_VIDEO)
1154 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1155 if (!ret)
1156 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1157 if (!ret) {
1158 av7110->videostate.play_state = VIDEO_PLAYING;
1159 av7110->trickmode = TRICK_NONE;
1160 }
1161 break;
1162
1163 case VIDEO_SELECT_SOURCE:
1164 av7110->videostate.stream_source = (video_stream_source_t) arg;
1165 break;
1166
1167 case VIDEO_SET_BLANK:
1168 av7110->videostate.video_blank = (int) arg;
1169 break;
1170
1171 case VIDEO_GET_STATUS:
1172 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1173 break;
1174
1175 case VIDEO_GET_EVENT:
1176 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1177 break;
1178
1179 case VIDEO_GET_SIZE:
1180 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1181 break;
1182
1183 case VIDEO_SET_DISPLAY_FORMAT:
1184 {
1185 video_displayformat_t format = (video_displayformat_t) arg;
1186 switch (format) {
1187 case VIDEO_PAN_SCAN:
1188 av7110->display_panscan = VID_PAN_SCAN_PREF;
1189 break;
1190 case VIDEO_LETTER_BOX:
1191 av7110->display_panscan = VID_VC_AND_PS_PREF;
1192 break;
1193 case VIDEO_CENTER_CUT_OUT:
1194 av7110->display_panscan = VID_CENTRE_CUT_PREF;
1195 break;
1196 default:
1197 ret = -EINVAL;
1198 }
1199 if (ret < 0)
1200 break;
1201 av7110->videostate.display_format = format;
1202 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1203 1, av7110->display_panscan);
1204 break;
1205 }
1206
1207 case VIDEO_SET_FORMAT:
1208 if (arg > 1) {
1209 ret = -EINVAL;
1210 break;
1211 }
1212 av7110->display_ar = arg;
1213 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1214 1, (u16) arg);
1215 break;
1216
1217 case VIDEO_STILLPICTURE:
1218 {
1219 struct video_still_picture *pic =
1220 (struct video_still_picture *) parg;
1221 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1222 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1223 ret = play_iframe(av7110, pic->iFrame, pic->size,
1224 file->f_flags & O_NONBLOCK);
1225 break;
1226 }
1227
1228 case VIDEO_FAST_FORWARD:
1229 //note: arg is ignored by firmware
1230 if (av7110->playing & RP_VIDEO)
1231 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1232 __Scan_I, 2, AV_PES, 0);
1233 else
1234 ret = vidcom(av7110, AV_VIDEO_CMD_FFWD, arg);
1235 if (!ret) {
1236 av7110->trickmode = TRICK_FAST;
1237 av7110->videostate.play_state = VIDEO_PLAYING;
1238 }
1239 break;
1240
1241 case VIDEO_SLOWMOTION:
1242 if (av7110->playing&RP_VIDEO) {
1243 if (av7110->trickmode != TRICK_SLOW)
1244 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1245 if (!ret)
1246 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1247 } else {
1248 ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1249 if (!ret)
1250 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0);
1251 if (!ret)
1252 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1253 }
1254 if (!ret) {
1255 av7110->trickmode = TRICK_SLOW;
1256 av7110->videostate.play_state = VIDEO_PLAYING;
1257 }
1258 break;
1259
1260 case VIDEO_GET_CAPABILITIES:
1261 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1262 VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1263 break;
1264
1265 case VIDEO_CLEAR_BUFFER:
1266 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1267 av7110_ipack_reset(&av7110->ipack[1]);
1268 if (av7110->playing == RP_AV) {
1269 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1270 __Play, 2, AV_PES, 0);
1271 if (ret)
1272 break;
1273 if (av7110->trickmode == TRICK_FAST)
1274 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1275 __Scan_I, 2, AV_PES, 0);
1276 if (av7110->trickmode == TRICK_SLOW) {
1277 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1278 __Slow, 2, 0, 0);
1279 if (!ret)
1280 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1281 }
1282 if (av7110->trickmode == TRICK_FREEZE)
1283 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1);
1284 }
1285 break;
1286
1287 case VIDEO_SET_STREAMTYPE:
1288 break;
1289
1290 default:
1291 ret = -ENOIOCTLCMD;
1292 break;
1293 }
1294
1295 return ret;
1296 }
1297
1298 static int dvb_audio_ioctl(struct file *file,
1299 unsigned int cmd, void *parg)
1300 {
1301 struct dvb_device *dvbdev = file->private_data;
1302 struct av7110 *av7110 = dvbdev->priv;
1303 unsigned long arg = (unsigned long) parg;
1304 int ret = 0;
1305
1306 dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1307
1308 if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1309 (cmd != AUDIO_GET_STATUS))
1310 return -EPERM;
1311
1312 switch (cmd) {
1313 case AUDIO_STOP:
1314 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1315 ret = av7110_av_stop(av7110, RP_AUDIO);
1316 else
1317 ret = audcom(av7110, AUDIO_CMD_MUTE);
1318 if (!ret)
1319 av7110->audiostate.play_state = AUDIO_STOPPED;
1320 break;
1321
1322 case AUDIO_PLAY:
1323 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1324 ret = av7110_av_start_play(av7110, RP_AUDIO);
1325 if (!ret)
1326 ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1327 if (!ret)
1328 av7110->audiostate.play_state = AUDIO_PLAYING;
1329 break;
1330
1331 case AUDIO_PAUSE:
1332 ret = audcom(av7110, AUDIO_CMD_MUTE);
1333 if (!ret)
1334 av7110->audiostate.play_state = AUDIO_PAUSED;
1335 break;
1336
1337 case AUDIO_CONTINUE:
1338 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1339 av7110->audiostate.play_state = AUDIO_PLAYING;
1340 ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1341 }
1342 break;
1343
1344 case AUDIO_SELECT_SOURCE:
1345 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1346 break;
1347
1348 case AUDIO_SET_MUTE:
1349 {
1350 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1351 if (!ret)
1352 av7110->audiostate.mute_state = (int) arg;
1353 break;
1354 }
1355
1356 case AUDIO_SET_AV_SYNC:
1357 av7110->audiostate.AV_sync_state = (int) arg;
1358 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1359 break;
1360
1361 case AUDIO_SET_BYPASS_MODE:
1362 if (FW_VERSION(av7110->arm_app) < 0x2621)
1363 ret = -EINVAL;
1364 av7110->audiostate.bypass_mode = (int)arg;
1365 break;
1366
1367 case AUDIO_CHANNEL_SELECT:
1368 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1369 switch(av7110->audiostate.channel_select) {
1370 case AUDIO_STEREO:
1371 ret = audcom(av7110, AUDIO_CMD_STEREO);
1372 if (!ret) {
1373 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1374 i2c_writereg(av7110, 0x20, 0x02, 0x49);
1375 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1376 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
1377 }
1378 break;
1379 case AUDIO_MONO_LEFT:
1380 ret = audcom(av7110, AUDIO_CMD_MONO_L);
1381 if (!ret) {
1382 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1383 i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1384 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1385 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
1386 }
1387 break;
1388 case AUDIO_MONO_RIGHT:
1389 ret = audcom(av7110, AUDIO_CMD_MONO_R);
1390 if (!ret) {
1391 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1392 i2c_writereg(av7110, 0x20, 0x02, 0x45);
1393 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1394 msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
1395 }
1396 break;
1397 default:
1398 ret = -EINVAL;
1399 break;
1400 }
1401 break;
1402
1403 case AUDIO_GET_STATUS:
1404 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1405 break;
1406
1407 case AUDIO_GET_CAPABILITIES:
1408 if (FW_VERSION(av7110->arm_app) < 0x2621)
1409 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1410 else
1411 *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
1412 AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1413 break;
1414
1415 case AUDIO_CLEAR_BUFFER:
1416 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1417 av7110_ipack_reset(&av7110->ipack[0]);
1418 if (av7110->playing == RP_AV)
1419 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1420 __Play, 2, AV_PES, 0);
1421 break;
1422
1423 case AUDIO_SET_ID:
1424 break;
1425
1426 case AUDIO_SET_MIXER:
1427 {
1428 struct audio_mixer *amix = (struct audio_mixer *)parg;
1429 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1430 break;
1431 }
1432
1433 case AUDIO_SET_STREAMTYPE:
1434 break;
1435
1436 default:
1437 ret = -ENOIOCTLCMD;
1438 }
1439
1440 return ret;
1441 }
1442
1443
1444 static int dvb_video_open(struct inode *inode, struct file *file)
1445 {
1446 struct dvb_device *dvbdev = file->private_data;
1447 struct av7110 *av7110 = dvbdev->priv;
1448 int err;
1449
1450 dprintk(2, "av7110:%p, \n", av7110);
1451
1452 if ((err = dvb_generic_open(inode, file)) < 0)
1453 return err;
1454
1455 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1456 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1457 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1458 av7110->video_blank = 1;
1459 av7110->audiostate.AV_sync_state = 1;
1460 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1461
1462 /* empty event queue */
1463 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1464 }
1465
1466 return 0;
1467 }
1468
1469 static int dvb_video_release(struct inode *inode, struct file *file)
1470 {
1471 struct dvb_device *dvbdev = file->private_data;
1472 struct av7110 *av7110 = dvbdev->priv;
1473
1474 dprintk(2, "av7110:%p, \n", av7110);
1475
1476 if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1477 av7110_av_stop(av7110, RP_VIDEO);
1478 }
1479
1480 return dvb_generic_release(inode, file);
1481 }
1482
1483 static int dvb_audio_open(struct inode *inode, struct file *file)
1484 {
1485 struct dvb_device *dvbdev = file->private_data;
1486 struct av7110 *av7110 = dvbdev->priv;
1487 int err = dvb_generic_open(inode, file);
1488
1489 dprintk(2, "av7110:%p, \n", av7110);
1490
1491 if (err < 0)
1492 return err;
1493 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1494 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1495 return 0;
1496 }
1497
1498 static int dvb_audio_release(struct inode *inode, struct file *file)
1499 {
1500 struct dvb_device *dvbdev = file->private_data;
1501 struct av7110 *av7110 = dvbdev->priv;
1502
1503 dprintk(2, "av7110:%p, \n", av7110);
1504
1505 av7110_av_stop(av7110, RP_AUDIO);
1506 return dvb_generic_release(inode, file);
1507 }
1508
1509
1510
1511 /******************************************************************************
1512 * driver registration
1513 ******************************************************************************/
1514
1515 static const struct file_operations dvb_video_fops = {
1516 .owner = THIS_MODULE,
1517 .write = dvb_video_write,
1518 .unlocked_ioctl = dvb_generic_ioctl,
1519 .open = dvb_video_open,
1520 .release = dvb_video_release,
1521 .poll = dvb_video_poll,
1522 };
1523
1524 static struct dvb_device dvbdev_video = {
1525 .priv = NULL,
1526 .users = 6,
1527 .readers = 5, /* arbitrary */
1528 .writers = 1,
1529 .fops = &dvb_video_fops,
1530 .kernel_ioctl = dvb_video_ioctl,
1531 };
1532
1533 static const struct file_operations dvb_audio_fops = {
1534 .owner = THIS_MODULE,
1535 .write = dvb_audio_write,
1536 .unlocked_ioctl = dvb_generic_ioctl,
1537 .open = dvb_audio_open,
1538 .release = dvb_audio_release,
1539 .poll = dvb_audio_poll,
1540 };
1541
1542 static struct dvb_device dvbdev_audio = {
1543 .priv = NULL,
1544 .users = 1,
1545 .writers = 1,
1546 .fops = &dvb_audio_fops,
1547 .kernel_ioctl = dvb_audio_ioctl,
1548 };
1549
1550
1551 int av7110_av_register(struct av7110 *av7110)
1552 {
1553 av7110->audiostate.AV_sync_state = 0;
1554 av7110->audiostate.mute_state = 0;
1555 av7110->audiostate.play_state = AUDIO_STOPPED;
1556 av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1557 av7110->audiostate.channel_select = AUDIO_STEREO;
1558 av7110->audiostate.bypass_mode = 0;
1559
1560 av7110->videostate.video_blank = 0;
1561 av7110->videostate.play_state = VIDEO_STOPPED;
1562 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1563 av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1564 av7110->videostate.display_format = VIDEO_LETTER_BOX;
1565 av7110->display_ar = VIDEO_FORMAT_4_3;
1566 av7110->display_panscan = VID_VC_AND_PS_PREF;
1567
1568 init_waitqueue_head(&av7110->video_events.wait_queue);
1569 spin_lock_init(&av7110->video_events.lock);
1570 av7110->video_events.eventw = av7110->video_events.eventr = 0;
1571 av7110->video_events.overflow = 0;
1572 memset(&av7110->video_size, 0, sizeof (video_size_t));
1573
1574 dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1575 &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1576
1577 dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1578 &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1579
1580 return 0;
1581 }
1582
1583 void av7110_av_unregister(struct av7110 *av7110)
1584 {
1585 dvb_unregister_device(av7110->audio_dev);
1586 dvb_unregister_device(av7110->video_dev);
1587 }
1588
1589 int av7110_av_init(struct av7110 *av7110)
1590 {
1591 void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1592 int i, ret;
1593
1594 for (i = 0; i < 2; i++) {
1595 struct ipack *ipack = av7110->ipack + i;
1596
1597 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1598 if (ret < 0) {
1599 if (i)
1600 av7110_ipack_free(--ipack);
1601 goto out;
1602 }
1603 ipack->data = av7110;
1604 }
1605
1606 dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1607 dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1608
1609 av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1610 av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1611 out:
1612 return ret;
1613 }
1614
1615 void av7110_av_exit(struct av7110 *av7110)
1616 {
1617 av7110_ipack_free(&av7110->ipack[0]);
1618 av7110_ipack_free(&av7110->ipack[1]);
1619 }
Tomato firmware and modifications.