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 #define DEBUG_VARIABLE av7110_debug
  41 extern int av7110_debug;
  42
  43 #include "av7110.h"
  44 #include "av7110_hw.h"
  45 #include "av7110_av.h"
  46 #include "av7110_ipack.h"
  47 #include "dvb_functions.h"
  48
  49 /* MPEG-2 (ISO 13818 / H.222.0) stream types */
  50 #define PROG_STREAM_MAP  0xBC
  51 #define PRIVATE_STREAM1  0xBD
  52 #define PADDING_STREAM   0xBE
  53 #define PRIVATE_STREAM2  0xBF
  54 #define AUDIO_STREAM_S   0xC0
  55 #define AUDIO_STREAM_E   0xDF
  56 #define VIDEO_STREAM_S   0xE0
  57 #define VIDEO_STREAM_E   0xEF
  58 #define ECM_STREAM       0xF0
  59 #define EMM_STREAM       0xF1
  60 #define DSM_CC_STREAM    0xF2
  61 #define ISO13522_STREAM  0xF3
  62 #define PROG_STREAM_DIR  0xFF
  63
  64 #define PTS_DTS_FLAGS    0xC0
  65
  66 //pts_dts flags
  67 #define PTS_ONLY         0x80
  68 #define PTS_DTS          0xC0
  69 #define TS_SIZE          188
  70 #define TRANS_ERROR      0x80
  71 #define PAY_START        0x40
  72 #define TRANS_PRIO       0x20
  73 #define PID_MASK_HI      0x1F
  74 //flags
  75 #define TRANS_SCRMBL1    0x80
  76 #define TRANS_SCRMBL2    0x40
  77 #define ADAPT_FIELD      0x20
  78 #define PAYLOAD          0x10
  79 #define COUNT_MASK       0x0F
  80
  81 // adaptation flags
  82 #define DISCON_IND       0x80
  83 #define RAND_ACC_IND     0x40
  84 #define ES_PRI_IND       0x20
  85 #define PCR_FLAG         0x10
  86 #define OPCR_FLAG        0x08
  87 #define SPLICE_FLAG      0x04
  88 #define TRANS_PRIV       0x02
  89 #define ADAP_EXT_FLAG    0x01
  90
  91 // adaptation extension flags
  92 #define LTW_FLAG         0x80
  93 #define PIECE_RATE       0x40
  94 #define SEAM_SPLICE      0x20
  95
  96
  97 static void p_to_t(u8 const *buf, long int length, u16 pid,
  98                    u8 *counter, struct dvb_demux_feed *feed);
  99
 100
 101 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
 102 {
 103         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
 104
 105 //      DEB_EE(("struct dvb_filter_pes2ts:%p\n", p2t));
 106
 107         if (!(dvbdmxfeed->ts_type & TS_PACKET))
 108                 return 0;
 109         if (buf[3] == 0xe0)      // video PES do not have a length in TS
 110                 buf[4] = buf[5] = 0;
 111         if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
 112                 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
 113                                          &dvbdmxfeed->feed.ts, DMX_OK);
 114         else
 115                 return dvb_filter_pes2ts(p2t, buf, len, 1);
 116 }
 117
 118 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
 119 {
 120         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
 121
 122 //      DEB_EE(("dvb_demux_feed:%p\n", dvbdmxfeed));
 123
 124         dvbdmxfeed->cb.ts(data, 188, NULL, 0,
 125                           &dvbdmxfeed->feed.ts, DMX_OK);
 126         return 0;
 127 }
 128
 129 int av7110_av_start_record(struct av7110 *av7110, int av,
 130                            struct dvb_demux_feed *dvbdmxfeed)
 131 {
 132         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 133
 134         DEB_EE(("av7110: %p, dvb_demux_feed:%p\n", av7110, dvbdmxfeed));
 135
 136         if (av7110->playing || (av7110->rec_mode & av))
 137                 return -EBUSY;
 138         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 139         dvbdmx->recording = 1;
 140         av7110->rec_mode |= av;
 141
 142         switch (av7110->rec_mode) {
 143         case RP_AUDIO:
 144                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 145                                        dvbdmx->pesfilter[0]->pid,
 146                                        dvb_filter_pes2ts_cb,
 147                                        (void *) dvbdmx->pesfilter[0]);
 148                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 149                 break;
 150
 151         case RP_VIDEO:
 152                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 153                                        dvbdmx->pesfilter[1]->pid,
 154                                        dvb_filter_pes2ts_cb,
 155                                        (void *) dvbdmx->pesfilter[1]);
 156                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 157                 break;
 158
 159         case RP_AV:
 160                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 161                                        dvbdmx->pesfilter[0]->pid,
 162                                        dvb_filter_pes2ts_cb,
 163                                        (void *) dvbdmx->pesfilter[0]);
 164                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 165                                        dvbdmx->pesfilter[1]->pid,
 166                                        dvb_filter_pes2ts_cb,
 167                                        (void *) dvbdmx->pesfilter[1]);
 168                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
 169                 break;
 170         }
 171         return 0;
 172 }
 173
 174 int av7110_av_start_play(struct av7110 *av7110, int av)
 175 {
 176         DEB_EE(("av7110: %p\n", av7110));
 177
 178         if (av7110->rec_mode)
 179                 return -EBUSY;
 180         if (av7110->playing & av)
 181                 return -EBUSY;
 182
 183         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 184
 185         if (av7110->playing == RP_NONE) {
 186                 av7110_ipack_reset(&av7110->ipack[0]);
 187                 av7110_ipack_reset(&av7110->ipack[1]);
 188         }
 189
 190         av7110->playing |= av;
 191         switch (av7110->playing) {
 192         case RP_AUDIO:
 193                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 194                 break;
 195         case RP_VIDEO:
 196                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 197                 av7110->sinfo = 0;
 198                 break;
 199         case RP_AV:
 200                 av7110->sinfo = 0;
 201                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
 202                 break;
 203         }
 204         return av7110->playing;
 205 }
 206
 207 void av7110_av_stop(struct av7110 *av7110, int av)
 208 {
 209         DEB_EE(("av7110: %p\n", av7110));
 210
 211         if (!(av7110->playing & av) && !(av7110->rec_mode & av))
 212                 return;
 213
 214         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 215         if (av7110->playing) {
 216                 av7110->playing &= ~av;
 217                 switch (av7110->playing) {
 218                 case RP_AUDIO:
 219                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 220                         break;
 221                 case RP_VIDEO:
 222                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 223                         break;
 224                 case RP_NONE:
 225                         av7110_set_vidmode(av7110, av7110->vidmode);
 226                         break;
 227                 }
 228         } else {
 229                 av7110->rec_mode &= ~av;
 230                 switch (av7110->rec_mode) {
 231                 case RP_AUDIO:
 232                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 233                         break;
 234                 case RP_VIDEO:
 235                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 236                         break;
 237                 case RP_NONE:
 238                         break;
 239                 }
 240         }
 241 }
 242
 243
 244 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
 245 {
 246         int len;
 247         u32 sync;
 248         u16 blen;
 249
 250         DEB_EE(("dvb_ring_buffer_t: %p\n", buf));
 251
 252         if (!dlen) {
 253                 wake_up(&buf->queue);
 254                 return -1;
 255         }
 256         while (1) {
 257                 if ((len = dvb_ringbuffer_avail(buf)) < 6)
 258                         return -1;
 259                 sync =  DVB_RINGBUFFER_PEEK(buf, 0) << 24;
 260                 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
 261                 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
 262                 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
 263
 264                 if (((sync &~ 0x0f) == 0x000001e0) ||
 265                     ((sync &~ 0x1f) == 0x000001c0) ||
 266                     (sync == 0x000001bd))
 267                         break;
 268                 printk("resync\n");
 269                 DVB_RINGBUFFER_SKIP(buf, 1);
 270         }
 271         blen =  DVB_RINGBUFFER_PEEK(buf, 4) << 8;
 272         blen |= DVB_RINGBUFFER_PEEK(buf, 5);
 273         blen += 6;
 274         if (len < blen || blen > dlen) {
 275                 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
 276                 wake_up(&buf->queue);
 277                 return -1;
 278         }
 279
 280         dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
 281
 282         DEB_S(("pread=0x%08lx, pwrite=0x%08lx\n",
 283                (unsigned long) buf->pread, (unsigned long) buf->pwrite));
 284         wake_up(&buf->queue);
 285         return blen;
 286 }
 287
 288
 289 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
 290 {
 291         int err, vol, val, balance = 0;
 292
 293         DEB_EE(("av7110: %p\n", av7110));
 294
 295         switch (av7110->adac_type) {
 296         case DVB_ADAC_TI:
 297                 volleft = (volleft * 256) / 1036;
 298                 volright = (volright * 256) / 1036;
 299                 if (volleft > 0x3f)
 300                         volleft = 0x3f;
 301                 if (volright > 0x3f)
 302                         volright = 0x3f;
 303                 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
 304                         return err;
 305                 return SendDAC(av7110, 4, volright);
 306
 307         case DVB_ADAC_CRYSTAL:
 308                 volleft = 127 - volleft / 2;
 309                 volright = 127 - volright / 2;
 310                 i2c_writereg(av7110, 0x20, 0x03, volleft);
 311                 i2c_writereg(av7110, 0x20, 0x04, volright);
 312                 return 0;
 313
 314         case DVB_ADAC_MSP:
 315                 vol  = (volleft > volright) ? volleft : volright;
 316                 val     = (vol * 0x73 / 255) << 8;
 317                 if (vol > 0)
 318                        balance = ((volright - volleft) * 127) / vol;
 319                 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 320                 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 321                 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
 322                 return 0;
 323         }
 324         return 0;
 325 }
 326
 327 void av7110_set_vidmode(struct av7110 *av7110, int mode)
 328 {
 329         DEB_EE(("av7110: %p\n", av7110));
 330
 331         av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
 332
 333         if (!av7110->playing) {
 334                 ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
 335                            av7110->pids[DMX_PES_AUDIO],
 336                            av7110->pids[DMX_PES_TELETEXT],
 337                            0, av7110->pids[DMX_PES_PCR]);
 338                 av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
 339         }
 340 }
 341
 342
 343 static int sw2mode[16] = {
 344         VIDEO_MODE_PAL, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL,
 345         VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL, VIDEO_MODE_NTSC,
 346         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 347         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 348 };
 349
 350 static void get_video_format(struct av7110 *av7110, u8 *buf, int count)
 351 {
 352         int i;
 353         int hsize, vsize;
 354         int sw;
 355         u8 *p;
 356
 357         DEB_EE(("av7110: %p\n", av7110));
 358
 359         if (av7110->sinfo)
 360                 return;
 361         for (i = 7; i < count - 10; i++) {
 362                 p = buf + i;
 363                 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
 364                         continue;
 365                 p += 4;
 366                 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
 367                 vsize = ((p[1] &0x0F) << 8) | (p[2]);
 368                 sw = (p[3] & 0x0F);
 369                 av7110_set_vidmode(av7110, sw2mode[sw]);
 370                 DEB_S(("dvb: playback %dx%d fr=%d\n", hsize, vsize, sw));
 371                 av7110->sinfo = 1;
 372                 break;
 373         }
 374 }
 375
 376
 377 /****************************************************************************
 378  * I/O buffer management and control
 379  ****************************************************************************/
 380
 381 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
 382                                          const char *buf, unsigned long count)
 383 {
 384         unsigned long todo = count;
 385         int free;
 386
 387         while (todo > 0) {
 388                 if (dvb_ringbuffer_free(rbuf) < 2048) {
 389                         if (wait_event_interruptible(rbuf->queue,
 390                                                      (dvb_ringbuffer_free(rbuf) >= 2048)))
 391                                 return count - todo;
 392                 }
 393                 free = dvb_ringbuffer_free(rbuf);
 394                 if (free > todo)
 395                         free = todo;
 396                 dvb_ringbuffer_write(rbuf, buf, free);
 397                 todo -= free;
 398                 buf += free;
 399         }
 400
 401         return count - todo;
 402 }
 403
 404 static void play_video_cb(u8 *buf, int count, void *priv)
 405 {
 406         struct av7110 *av7110 = (struct av7110 *) priv;
 407         DEB_EE(("av7110: %p\n", av7110));
 408
 409         if ((buf[3] & 0xe0) == 0xe0) {
 410                 get_video_format(av7110, buf, count);
 411                 aux_ring_buffer_write(&av7110->avout, buf, count);
 412         } else
 413                 aux_ring_buffer_write(&av7110->aout, buf, count);
 414 }
 415
 416 static void play_audio_cb(u8 *buf, int count, void *priv)
 417 {
 418         struct av7110 *av7110 = (struct av7110 *) priv;
 419         DEB_EE(("av7110: %p\n", av7110));
 420
 421         aux_ring_buffer_write(&av7110->aout, buf, count);
 422 }
 423
 424 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
 425                    dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 426
 427 static ssize_t dvb_play(struct av7110 *av7110, const u8 __user *buf,
 428                         unsigned long count, int nonblock, int type)
 429 {
 430         unsigned long todo = count, n;
 431         DEB_EE(("av7110: %p\n", av7110));
 432
 433         if (!av7110->kbuf[type])
 434                 return -ENOBUFS;
 435
 436         if (nonblock && !FREE_COND)
 437                 return -EWOULDBLOCK;
 438
 439         while (todo > 0) {
 440                 if (!FREE_COND) {
 441                         if (nonblock)
 442                                 return count - todo;
 443                         if (wait_event_interruptible(av7110->avout.queue,
 444                                                      FREE_COND))
 445                                 return count - todo;
 446                 }
 447                 n = todo;
 448                 if (n > IPACKS * 2)
 449                         n = IPACKS * 2;
 450                 if (copy_from_user(av7110->kbuf[type], buf, n))
 451                         return -EFAULT;
 452                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 453                                             &av7110->ipack[type]);
 454                 todo -= n;
 455                 buf += n;
 456         }
 457         return count - todo;
 458 }
 459
 460 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
 461                         unsigned long count, int nonblock, int type)
 462 {
 463         unsigned long todo = count, n;
 464         DEB_EE(("av7110: %p\n", av7110));
 465
 466         if (!av7110->kbuf[type])
 467                 return -ENOBUFS;
 468
 469         if (nonblock && !FREE_COND)
 470                 return -EWOULDBLOCK;
 471
 472         while (todo > 0) {
 473                 if (!FREE_COND) {
 474                         if (nonblock)
 475                                 return count - todo;
 476                         if (wait_event_interruptible(av7110->avout.queue,
 477                                                      FREE_COND))
 478                                 return count - todo;
 479                 }
 480                 n = todo;
 481                 if (n > IPACKS * 2)
 482                         n = IPACKS * 2;
 483                 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
 484                 todo -= n;
 485                 buf += n;
 486         }
 487         return count - todo;
 488 }
 489
 490 static ssize_t dvb_aplay(struct av7110 *av7110, const u8 __user *buf,
 491                          unsigned long count, int nonblock, int type)
 492 {
 493         unsigned long todo = count, n;
 494         DEB_EE(("av7110: %p\n", av7110));
 495
 496         if (!av7110->kbuf[type])
 497                 return -ENOBUFS;
 498         if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
 499                 return -EWOULDBLOCK;
 500
 501         while (todo > 0) {
 502                 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
 503                         if (nonblock)
 504                                 return count - todo;
 505                         if (wait_event_interruptible(av7110->aout.queue,
 506                                         (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
 507                                 return count-todo;
 508                 }
 509                 n = todo;
 510                 if (n > IPACKS * 2)
 511                         n = IPACKS * 2;
 512                 if (copy_from_user(av7110->kbuf[type], buf, n))
 513                         return -EFAULT;
 514                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 515                                             &av7110->ipack[type]);
 516                 todo -= n;
 517                 buf += n;
 518         }
 519         return count - todo;
 520 }
 521
 522 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
 523 {
 524         memset(p->pes, 0, TS_SIZE);
 525         p->counter = 0;
 526         p->pos = 0;
 527         p->frags = 0;
 528         if (feed)
 529                 p->feed = feed;
 530 }
 531
 532 static void clear_p2t(struct av7110_p2t *p)
 533 {
 534         memset(p->pes, 0, TS_SIZE);
 535 //      p->counter = 0;
 536         p->pos = 0;
 537         p->frags = 0;
 538 }
 539
 540
 541 static int find_pes_header(u8 const *buf, long int length, int *frags)
 542 {
 543         int c = 0;
 544         int found = 0;
 545
 546         *frags = 0;
 547
 548         while (c < length - 3 && !found) {
 549                 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
 550                     buf[c + 2] == 0x01) {
 551                         switch ( buf[c + 3] ) {
 552                         case PROG_STREAM_MAP:
 553                         case PRIVATE_STREAM2:
 554                         case PROG_STREAM_DIR:
 555                         case ECM_STREAM     :
 556                         case EMM_STREAM     :
 557                         case PADDING_STREAM :
 558                         case DSM_CC_STREAM  :
 559                         case ISO13522_STREAM:
 560                         case PRIVATE_STREAM1:
 561                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 562                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 563                                 found = 1;
 564                                 break;
 565
 566                         default:
 567                                 c++;
 568                                 break;
 569                         }
 570                 } else
 571                         c++;
 572         }
 573         if (c == length - 3 && !found) {
 574                 if (buf[length - 1] == 0x00)
 575                         *frags = 1;
 576                 if (buf[length - 2] == 0x00 &&
 577                     buf[length - 1] == 0x00)
 578                         *frags = 2;
 579                 if (buf[length - 3] == 0x00 &&
 580                     buf[length - 2] == 0x00 &&
 581                     buf[length - 1] == 0x01)
 582                         *frags = 3;
 583                 return -1;
 584         }
 585
 586         return c;
 587 }
 588
 589 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
 590 {
 591         int c, c2, l, add;
 592         int check, rest;
 593
 594         c = 0;
 595         c2 = 0;
 596         if (p->frags){
 597                 check = 0;
 598                 switch(p->frags) {
 599                 case 1:
 600                         if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
 601                                 check = 1;
 602                                 c += 2;
 603                         }
 604                         break;
 605                 case 2:
 606                         if (buf[c] == 0x01) {
 607                                 check = 1;
 608                                 c++;
 609                         }
 610                         break;
 611                 case 3:
 612                         check = 1;
 613                 }
 614                 if (check) {
 615                         switch (buf[c]) {
 616                         case PROG_STREAM_MAP:
 617                         case PRIVATE_STREAM2:
 618                         case PROG_STREAM_DIR:
 619                         case ECM_STREAM     :
 620                         case EMM_STREAM     :
 621                         case PADDING_STREAM :
 622                         case DSM_CC_STREAM  :
 623                         case ISO13522_STREAM:
 624                         case PRIVATE_STREAM1:
 625                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 626                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 627                                 p->pes[0] = 0x00;
 628                                 p->pes[1] = 0x00;
 629                                 p->pes[2] = 0x01;
 630                                 p->pes[3] = buf[c];
 631                                 p->pos = 4;
 632                                 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
 633                                 c += (TS_SIZE - 4) - p->pos;
 634                                 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
 635                                 clear_p2t(p);
 636                                 break;
 637
 638                         default:
 639                                 c = 0;
 640                                 break;
 641                         }
 642                 }
 643                 p->frags = 0;
 644         }
 645
 646         if (p->pos) {
 647                 c2 = find_pes_header(buf + c, length - c, &p->frags);
 648                 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
 649                         l = c2+c;
 650                 else
 651                         l = (TS_SIZE - 4) - p->pos;
 652                 memcpy(p->pes + p->pos, buf, l);
 653                 c += l;
 654                 p->pos += l;
 655                 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
 656                 clear_p2t(p);
 657         }
 658
 659         add = 0;
 660         while (c < length) {
 661                 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
 662                 if (c2 >= 0) {
 663                         c2 += c + add;
 664                         if (c2 > c){
 665                                 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
 666                                 c = c2;
 667                                 clear_p2t(p);
 668                                 add = 0;
 669                         } else
 670                                 add = 1;
 671                 } else {
 672                         l = length - c;
 673                         rest = l % (TS_SIZE - 4);
 674                         l -= rest;
 675                         p_to_t(buf + c, l, pid, &p->counter, p->feed);
 676                         memcpy(p->pes, buf + c + l, rest);
 677                         p->pos = rest;
 678                         c = length;
 679                 }
 680         }
 681 }
 682
 683
 684 int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
 685 {
 686         int i;
 687         int c = 0;
 688         int fill;
 689         u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
 690
 691         fill = (TS_SIZE - 4) - length;
 692         if (pes_start)
 693                 tshead[1] = 0x40;
 694         if (fill)
 695                 tshead[3] = 0x30;
 696         tshead[1] |= (u8)((pid & 0x1F00) >> 8);
 697         tshead[2] |= (u8)(pid & 0x00FF);
 698         tshead[3] |= ((*counter)++ & 0x0F);
 699         memcpy(buf, tshead, 4);
 700         c += 4;
 701
 702         if (fill) {
 703                 buf[4] = fill - 1;
 704                 c++;
 705                 if (fill > 1) {
 706                         buf[5] = 0x00;
 707                         c++;
 708                 }
 709                 for (i = 6; i < fill + 4; i++) {
 710                         buf[i] = 0xFF;
 711                         c++;
 712                 }
 713         }
 714
 715         return c;
 716 }
 717
 718
 719 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 720                    struct dvb_demux_feed *feed)
 721 {
 722         int l, pes_start;
 723         u8 obuf[TS_SIZE];
 724         long c = 0;
 725
 726         pes_start = 0;
 727         if (length > 3 &&
 728              buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
 729                 switch (buf[3]) {
 730                         case PROG_STREAM_MAP:
 731                         case PRIVATE_STREAM2:
 732                         case PROG_STREAM_DIR:
 733                         case ECM_STREAM     :
 734                         case EMM_STREAM     :
 735                         case PADDING_STREAM :
 736                         case DSM_CC_STREAM  :
 737                         case ISO13522_STREAM:
 738                         case PRIVATE_STREAM1:
 739                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 740                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 741                                 pes_start = 1;
 742                                 break;
 743
 744                         default:
 745                                 break;
 746                 }
 747
 748         while (c < length) {
 749                 memset(obuf, 0, TS_SIZE);
 750                 if (length - c >= (TS_SIZE - 4)){
 751                         l = write_ts_header2(pid, counter, pes_start,
 752                                              obuf, (TS_SIZE - 4));
 753                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 754                         c += TS_SIZE - l;
 755                 } else {
 756                         l = write_ts_header2(pid, counter, pes_start,
 757                                              obuf, length - c);
 758                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 759                         c = length;
 760                 }
 761                 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
 762                 pes_start = 0;
 763         }
 764 }
 765
 766
 767 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
 768 {
 769         struct dvb_demux *demux = feed->demux;
 770         struct av7110 *av7110 = (struct av7110 *) demux->priv;
 771         struct ipack *ipack = &av7110->ipack[feed->pes_type];
 772
 773         DEB_EE(("av7110: %p\n", av7110));
 774
 775         switch (feed->pes_type) {
 776         case 0:
 777                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 778                         return -EINVAL;
 779                 break;
 780         case 1:
 781                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 782                         return -EINVAL;
 783                 break;
 784         default:
 785                 return -1;
 786         }
 787
 788         if (!(buf[3] & 0x10)) /* no payload? */
 789                 return -1;
 790         if (buf[1] & 0x40)
 791                 av7110_ipack_flush(ipack);
 792
 793         if (buf[3] & 0x20) {  /* adaptation field? */
 794                 len -= buf[4] + 1;
 795                 buf += buf[4] + 1;
 796                 if (!len)
 797                         return 0;
 798         }
 799
 800         av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
 801         return 0;
 802 }
 803
 804
 805
 806 /******************************************************************************
 807  * Video MPEG decoder events
 808  ******************************************************************************/
 809 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
 810 {
 811         struct dvb_video_events *events = &av7110->video_events;
 812         int wp;
 813
 814         DEB_D(("\n"));
 815
 816         spin_lock_bh(&events->lock);
 817
 818         wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
 819         if (wp == events->eventr) {
 820                 events->overflow = 1;
 821                 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 822         }
 823
 824         //FIXME: timestamp?
 825         memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
 826         events->eventw = wp;
 827
 828         spin_unlock_bh(&events->lock);
 829
 830         wake_up_interruptible(&events->wait_queue);
 831 }
 832
 833
 834 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
 835 {
 836         struct dvb_video_events *events = &av7110->video_events;
 837
 838         DEB_D(("\n"));
 839
 840         if (events->overflow) {
 841                 events->overflow = 0;
 842                 return -EOVERFLOW;
 843         }
 844         if (events->eventw == events->eventr) {
 845                 int ret;
 846
 847                 if (flags & O_NONBLOCK)
 848                         return -EWOULDBLOCK;
 849
 850                 ret = wait_event_interruptible(events->wait_queue,
 851                                                events->eventw != events->eventr);
 852                 if (ret < 0)
 853                         return ret;
 854         }
 855
 856         spin_lock_bh(&events->lock);
 857
 858         memcpy(event, &events->events[events->eventr],
 859                sizeof(struct video_event));
 860         events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 861
 862         spin_unlock_bh(&events->lock);
 863
 864         return 0;
 865 }
 866
 867
 868 /******************************************************************************
 869  * DVB device file operations
 870  ******************************************************************************/
 871
 872 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
 873 {
 874         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 875         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 876         unsigned int mask = 0;
 877
 878         DEB_EE(("av7110: %p\n", av7110));
 879
 880         if ((file->f_flags & O_ACCMODE) != O_RDONLY)
 881                 poll_wait(file, &av7110->avout.queue, wait);
 882
 883         poll_wait(file, &av7110->video_events.wait_queue, wait);
 884
 885         if (av7110->video_events.eventw != av7110->video_events.eventr)
 886                 mask = POLLPRI;
 887
 888         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 889                 if (av7110->playing) {
 890                         if (FREE_COND)
 891                                 mask |= (POLLOUT | POLLWRNORM);
 892                         } else /* if not playing: may play if asked for */
 893                                 mask |= (POLLOUT | POLLWRNORM);
 894         }
 895
 896         return mask;
 897 }
 898
 899 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
 900                                size_t count, loff_t *ppos)
 901 {
 902         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 903         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 904
 905         DEB_EE(("av7110: %p\n", av7110));
 906
 907         if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 908                 return -EPERM;
 909
 910         if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
 911                 return -EPERM;
 912
 913         return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
 914 }
 915
 916 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
 917 {
 918         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 919         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 920         unsigned int mask = 0;
 921
 922         DEB_EE(("av7110: %p\n", av7110));
 923
 924         poll_wait(file, &av7110->aout.queue, wait);
 925
 926         if (av7110->playing) {
 927                 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 928                         mask |= (POLLOUT | POLLWRNORM);
 929         } else /* if not playing: may play if asked for */
 930                 mask = (POLLOUT | POLLWRNORM);
 931
 932         return mask;
 933 }
 934
 935 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
 936                                size_t count, loff_t *ppos)
 937 {
 938         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 939         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 940
 941         DEB_EE(("av7110: %p\n", av7110));
 942
 943         if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
 944                 printk(KERN_ERR "not audio source memory\n");
 945                 return -EPERM;
 946         }
 947         return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
 948 }
 949
 950 u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
 951
 952 #define MIN_IFRAME 400000
 953
 954 static int play_iframe(struct av7110 *av7110, u8 __user *buf, unsigned int len, int nonblock)
 955 {
 956         int i, n;
 957
 958         DEB_EE(("av7110: %p\n", av7110));
 959
 960         if (!(av7110->playing & RP_VIDEO)) {
 961                 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
 962                         return -EBUSY;
 963         }
 964
 965         /* setting n always > 1, fixes problems when playing stillframes
 966            consisting of I- and P-Frames */
 967         n = MIN_IFRAME / len + 1;
 968
 969         /* FIXME: nonblock? */
 970         dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
 971
 972         for (i = 0; i < n; i++)
 973                 dvb_play(av7110, buf, len, 0, 1);
 974
 975         av7110_ipack_flush(&av7110->ipack[1]);
 976         return 0;
 977 }
 978
 979
 980 static int dvb_video_ioctl(struct inode *inode, struct file *file,
 981                            unsigned int cmd, void *parg)
 982 {
 983         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 984         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 985         unsigned long arg = (unsigned long) parg;
 986         int ret = 0;
 987
 988         DEB_EE(("av7110: %p\n", av7110));
 989
 990         if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
 991                 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
 992                      cmd != VIDEO_GET_SIZE ) {
 993                         return -EPERM;
 994                 }
 995         }
 996
 997         switch (cmd) {
 998         case VIDEO_STOP:
 999                 av7110->videostate.play_state = VIDEO_STOPPED;
1000                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1001                         av7110_av_stop(av7110, RP_VIDEO);
1002                 else
1003                         vidcom(av7110, VIDEO_CMD_STOP,
1004                                av7110->videostate.video_blank ? 0 : 1);
1005                 av7110->trickmode = TRICK_NONE;
1006                 break;
1007
1008         case VIDEO_PLAY:
1009                 av7110->trickmode = TRICK_NONE;
1010                 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1011                         av7110->videostate.play_state = VIDEO_PLAYING;
1012                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
1013                 }
1014
1015                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1016                         if (av7110->playing == RP_AV) {
1017                                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1018                                 av7110->playing &= ~RP_VIDEO;
1019                         }
1020                         av7110_av_start_play(av7110, RP_VIDEO);
1021                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
1022                 } else {
1023                         //av7110_av_stop(av7110, RP_VIDEO);
1024                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
1025                 }
1026                 av7110->videostate.play_state = VIDEO_PLAYING;
1027                 break;
1028
1029         case VIDEO_FREEZE:
1030                 av7110->videostate.play_state = VIDEO_FREEZED;
1031                 if (av7110->playing & RP_VIDEO)
1032                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1033                 else
1034                         vidcom(av7110, VIDEO_CMD_FREEZE, 1);
1035                 av7110->trickmode = TRICK_FREEZE;
1036                 break;
1037
1038         case VIDEO_CONTINUE:
1039                 if (av7110->playing & RP_VIDEO)
1040                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1041                 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1042                 av7110->videostate.play_state = VIDEO_PLAYING;
1043                 av7110->trickmode = TRICK_NONE;
1044                 break;
1045
1046         case VIDEO_SELECT_SOURCE:
1047                 av7110->videostate.stream_source = (video_stream_source_t) arg;
1048                 break;
1049
1050         case VIDEO_SET_BLANK:
1051                 av7110->videostate.video_blank = (int) arg;
1052                 break;
1053
1054         case VIDEO_GET_STATUS:
1055                 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1056                 break;
1057
1058         case VIDEO_GET_EVENT:
1059                 ret=dvb_video_get_event(av7110, parg, file->f_flags);
1060                 break;
1061
1062         case VIDEO_GET_SIZE:
1063                 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1064                 break;
1065
1066         case VIDEO_SET_DISPLAY_FORMAT:
1067         {
1068                 video_displayformat_t format = (video_displayformat_t) arg;
1069                 u16 val = 0;
1070
1071                 switch (format) {
1072                 case VIDEO_PAN_SCAN:
1073                         val = VID_PAN_SCAN_PREF;
1074                         break;
1075
1076                 case VIDEO_LETTER_BOX:
1077                         val = VID_VC_AND_PS_PREF;
1078                         break;
1079
1080                 case VIDEO_CENTER_CUT_OUT:
1081                         val = VID_CENTRE_CUT_PREF;
1082                         break;
1083
1084                 default:
1085                         ret = -EINVAL;
1086                 }
1087                 if (ret < 0)
1088                         break;
1089                 av7110->videostate.video_format = format;
1090                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1091                                     1, (u16) val);
1092                 break;
1093         }
1094
1095         case VIDEO_SET_FORMAT:
1096                 if (arg > 1) {
1097                         ret = -EINVAL;
1098                         break;
1099                 }
1100                 av7110->display_ar = arg;
1101                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1102                                     1, (u16) arg);
1103                 break;
1104
1105         case VIDEO_STILLPICTURE:
1106         {
1107                 struct video_still_picture *pic =
1108                         (struct video_still_picture *) parg;
1109                 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1110                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1111                 ret = play_iframe(av7110, pic->iFrame, pic->size,
1112                                   file->f_flags & O_NONBLOCK);
1113                 break;
1114         }
1115
1116         case VIDEO_FAST_FORWARD:
1117                 //note: arg is ignored by firmware
1118                 if (av7110->playing & RP_VIDEO)
1119                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1120                                       __Scan_I, 2, AV_PES, 0);
1121                 else
1122                         vidcom(av7110, VIDEO_CMD_FFWD, arg);
1123                 av7110->trickmode = TRICK_FAST;
1124                 av7110->videostate.play_state = VIDEO_PLAYING;
1125                 break;
1126
1127         case VIDEO_SLOWMOTION:
1128                 if (av7110->playing&RP_VIDEO) {
1129                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1130                         vidcom(av7110, VIDEO_CMD_SLOW, arg);
1131                 } else {
1132                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
1133                         vidcom(av7110, VIDEO_CMD_STOP, 0);
1134                         vidcom(av7110, VIDEO_CMD_SLOW, arg);
1135                 }
1136                 av7110->trickmode = TRICK_SLOW;
1137                 av7110->videostate.play_state = VIDEO_PLAYING;
1138                 break;
1139
1140         case VIDEO_GET_CAPABILITIES:
1141                 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1142                         VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1143                 break;
1144
1145         case VIDEO_CLEAR_BUFFER:
1146                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1147                 av7110_ipack_reset(&av7110->ipack[1]);
1148
1149                 if (av7110->playing == RP_AV) {
1150                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1151                                       __Play, 2, AV_PES, 0);
1152                         if (av7110->trickmode == TRICK_FAST)
1153                                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1154                                               __Scan_I, 2, AV_PES, 0);
1155                         if (av7110->trickmode == TRICK_SLOW) {
1156                                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1157                                               __Slow, 2, 0, 0);
1158                                 vidcom(av7110, VIDEO_CMD_SLOW, arg);
1159                         }
1160                         if (av7110->trickmode == TRICK_FREEZE)
1161                                 vidcom(av7110, VIDEO_CMD_STOP, 1);
1162                 }
1163                 break;
1164
1165         case VIDEO_SET_STREAMTYPE:
1166
1167                 break;
1168
1169         default:
1170                 ret = -ENOIOCTLCMD;
1171                 break;
1172         }
1173         return ret;
1174 }
1175
1176 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1177                            unsigned int cmd, void *parg)
1178 {
1179         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1180         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1181         unsigned long arg = (unsigned long) parg;
1182         int ret = 0;
1183
1184         DEB_EE(("av7110: %p\n", av7110));
1185
1186         if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1187             (cmd != AUDIO_GET_STATUS))
1188                 return -EPERM;
1189
1190         switch (cmd) {
1191         case AUDIO_STOP:
1192                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1193                         av7110_av_stop(av7110, RP_AUDIO);
1194                 else
1195                         audcom(av7110, AUDIO_CMD_MUTE);
1196                 av7110->audiostate.play_state = AUDIO_STOPPED;
1197                 break;
1198
1199         case AUDIO_PLAY:
1200                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1201                         av7110_av_start_play(av7110, RP_AUDIO);
1202                 audcom(av7110, AUDIO_CMD_UNMUTE);
1203                 av7110->audiostate.play_state = AUDIO_PLAYING;
1204                 break;
1205
1206         case AUDIO_PAUSE:
1207                 audcom(av7110, AUDIO_CMD_MUTE);
1208                 av7110->audiostate.play_state = AUDIO_PAUSED;
1209                 break;
1210
1211         case AUDIO_CONTINUE:
1212                 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1213                         av7110->audiostate.play_state = AUDIO_PLAYING;
1214                         audcom(av7110, AUDIO_CMD_MUTE | AUDIO_CMD_PCM16);
1215                 }
1216                 break;
1217
1218         case AUDIO_SELECT_SOURCE:
1219                 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1220                 break;
1221
1222         case AUDIO_SET_MUTE:
1223         {
1224                 audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1225                 av7110->audiostate.mute_state = (int) arg;
1226                 break;
1227         }
1228
1229         case AUDIO_SET_AV_SYNC:
1230                 av7110->audiostate.AV_sync_state = (int) arg;
1231                 audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1232                 break;
1233
1234         case AUDIO_SET_BYPASS_MODE:
1235                 ret = -EINVAL;
1236                 break;
1237
1238         case AUDIO_CHANNEL_SELECT:
1239                 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1240
1241                 switch(av7110->audiostate.channel_select) {
1242                 case AUDIO_STEREO:
1243                         audcom(av7110, AUDIO_CMD_STEREO);
1244                         break;
1245
1246                 case AUDIO_MONO_LEFT:
1247                         audcom(av7110, AUDIO_CMD_MONO_L);
1248                         break;
1249
1250                 case AUDIO_MONO_RIGHT:
1251                         audcom(av7110, AUDIO_CMD_MONO_R);
1252                         break;
1253
1254                 default:
1255                         ret = -EINVAL;
1256                         break;
1257                 }
1258                 break;
1259
1260         case AUDIO_GET_STATUS:
1261                 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1262                 break;
1263
1264         case AUDIO_GET_CAPABILITIES:
1265                 *(int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1266                 break;
1267
1268         case AUDIO_CLEAR_BUFFER:
1269                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1270                 av7110_ipack_reset(&av7110->ipack[0]);
1271                 if (av7110->playing == RP_AV)
1272                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1273                                __Play, 2, AV_PES, 0);
1274                 break;
1275         case AUDIO_SET_ID:
1276
1277                 break;
1278         case AUDIO_SET_MIXER:
1279         {
1280                 struct audio_mixer *amix = (struct audio_mixer *)parg;
1281
1282                 av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1283                 break;
1284         }
1285         case AUDIO_SET_STREAMTYPE:
1286                 break;
1287         default:
1288                 ret = -ENOIOCTLCMD;
1289         }
1290         return ret;
1291 }
1292
1293
1294 static int dvb_video_open(struct inode *inode, struct file *file)
1295 {
1296         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1297         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1298         int err;
1299
1300         DEB_EE(("av7110: %p\n", av7110));
1301
1302         if ((err = dvb_generic_open(inode, file)) < 0)
1303                 return err;
1304
1305         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1306                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1307                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1308                 av7110->video_blank = 1;
1309                 av7110->audiostate.AV_sync_state = 1;
1310                 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1311
1312                 /*  empty event queue */
1313                 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1314         }
1315
1316         return 0;
1317 }
1318
1319 static int dvb_video_release(struct inode *inode, struct file *file)
1320 {
1321         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1322         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1323
1324         DEB_EE(("av7110: %p\n", av7110));
1325
1326         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1327                 av7110_av_stop(av7110, RP_VIDEO);
1328         }
1329
1330         return dvb_generic_release(inode, file);
1331 }
1332
1333 static int dvb_audio_open(struct inode *inode, struct file *file)
1334 {
1335         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1336         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1337         int err=dvb_generic_open(inode, file);
1338
1339         DEB_EE(("av7110: %p\n", av7110));
1340
1341         if (err < 0)
1342                 return err;
1343         dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1344         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1345         return 0;
1346 }
1347
1348 static int dvb_audio_release(struct inode *inode, struct file *file)
1349 {
1350         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1351         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1352
1353         DEB_EE(("av7110: %p\n", av7110));
1354
1355         av7110_av_stop(av7110, RP_AUDIO);
1356         return dvb_generic_release(inode, file);
1357 }
1358
1359
1360
1361 /******************************************************************************
1362  * driver registration
1363  ******************************************************************************/
1364
1365 static struct file_operations dvb_video_fops = {
1366         .owner          = THIS_MODULE,
1367         .write          = dvb_video_write,
1368         .ioctl          = dvb_generic_ioctl,
1369         .open           = dvb_video_open,
1370         .release        = dvb_video_release,
1371         .poll           = dvb_video_poll,
1372 };
1373
1374 static struct dvb_device dvbdev_video = {
1375         .priv           = NULL,
1376         .users          = 6,
1377         .readers        = 5,    /* arbitrary */
1378         .writers        = 1,
1379         .fops           = &dvb_video_fops,
1380         .kernel_ioctl   = dvb_video_ioctl,
1381 };
1382
1383 static struct file_operations dvb_audio_fops = {
1384         .owner          = THIS_MODULE,
1385         .write          = dvb_audio_write,
1386         .ioctl          = dvb_generic_ioctl,
1387         .open           = dvb_audio_open,
1388         .release        = dvb_audio_release,
1389         .poll           = dvb_audio_poll,
1390 };
1391
1392 static struct dvb_device dvbdev_audio = {
1393         .priv           = NULL,
1394         .users          = 1,
1395         .writers        = 1,
1396         .fops           = &dvb_audio_fops,
1397         .kernel_ioctl   = dvb_audio_ioctl,
1398 };
1399
1400
1401 int av7110_av_register(struct av7110 *av7110)
1402 {
1403         av7110->audiostate.AV_sync_state = 0;
1404         av7110->audiostate.mute_state = 0;
1405         av7110->audiostate.play_state = AUDIO_STOPPED;
1406         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1407         av7110->audiostate.channel_select = AUDIO_STEREO;
1408         av7110->audiostate.bypass_mode = 0;
1409
1410         av7110->videostate.video_blank = 0;
1411         av7110->videostate.play_state = VIDEO_STOPPED;
1412         av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1413         av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1414         av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
1415         av7110->display_ar = VIDEO_FORMAT_4_3;
1416
1417         init_waitqueue_head(&av7110->video_events.wait_queue);
1418         spin_lock_init(&av7110->video_events.lock);
1419         av7110->video_events.eventw = av7110->video_events.eventr = 0;
1420         av7110->video_events.overflow = 0;
1421         memset(&av7110->video_size, 0, sizeof (video_size_t));
1422
1423         dvb_register_device(av7110->dvb_adapter, &av7110->video_dev,
1424                             &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1425
1426         dvb_register_device(av7110->dvb_adapter, &av7110->audio_dev,
1427                             &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1428
1429         return 0;
1430 }
1431
1432 void av7110_av_unregister(struct av7110 *av7110)
1433 {
1434         dvb_unregister_device(av7110->audio_dev);
1435         dvb_unregister_device(av7110->video_dev);
1436 }
1437
1438 int av7110_av_init(struct av7110 *av7110)
1439 {
1440         av7110->vidmode = VIDEO_MODE_PAL;
1441
1442         av7110_ipack_init(&av7110->ipack[0], IPACKS, play_audio_cb);
1443         av7110->ipack[0].data = (void *) av7110;
1444         av7110_ipack_init(&av7110->ipack[1], IPACKS, play_video_cb);
1445         av7110->ipack[1].data = (void *) av7110;
1446
1447         dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1448         dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1449
1450         av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1451         av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1452
1453         return 0;
1454 }
1455
1456 int av7110_av_exit(struct av7110 *av7110)
1457 {
1458         av7110_ipack_free(&av7110->ipack[0]);
1459         av7110_ipack_free(&av7110->ipack[1]);
1460         return 0;
1461 }