13c506ea0bbdbbc6026e4d0da3d0e6e6f98c99db
[linux-2.6.git] / drivers / media / dvb / ttpci / av7110_av.c
1 /*
2  * av7110_av.c: audio and video MPEG decoder stuff
3  *
4  * Copyright (C) 1999-2002 Ralph  Metzler
5  *                       & Marcus Metzler for convergence integrated media GmbH
6  *
7  * originally based on code by:
8  * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
26  *
27  *
28  * the project's page is at http://www.linuxtv.org/dvb/
29  */
30
31 #include <linux/types.h>
32 #include <linux/kernel.h>
33 #include <linux/string.h>
34 #include <linux/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_UNMUTE | 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 }