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, 0, 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, 0, 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, 0);
 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 *buf,
 428                         unsigned long count, int nonblock, int type, int umem)
 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 (umem) {
 451                         if (copy_from_user(av7110->kbuf[type], buf, n))
 452                                 return -EFAULT;
 453                         av7110_ipack_instant_repack(av7110->kbuf[type], n,
 454                                                     &av7110->ipack[type]);
 455                 } else {
 456                         av7110_ipack_instant_repack(buf, n,
 457                                                     &av7110->ipack[type]);
 458                 }
 459                 todo -= n;
 460                 buf += n;
 461         }
 462         return count - todo;
 463 }
 464
 465 static ssize_t dvb_aplay(struct av7110 *av7110, const u8 *buf,
 466                          unsigned long count, int nonblock, int type)
 467 {
 468         unsigned long todo = count, n;
 469         DEB_EE(("av7110: %p\n", av7110));
 470
 471         if (!av7110->kbuf[type])
 472                 return -ENOBUFS;
 473         if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
 474                 return -EWOULDBLOCK;
 475
 476         while (todo > 0) {
 477                 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
 478                         if (nonblock)
 479                                 return count - todo;
 480                         if (wait_event_interruptible(av7110->aout.queue,
 481                                         (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
 482                                 return count-todo;
 483                 }
 484                 n = todo;
 485                 if (n > IPACKS * 2)
 486                         n = IPACKS * 2;
 487                 if (copy_from_user(av7110->kbuf[type], buf, n))
 488                         return -EFAULT;
 489                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 490                                             &av7110->ipack[type]);
 491                 todo -= n;
 492                 buf += n;
 493         }
 494         return count - todo;
 495 }
 496
 497 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
 498 {
 499         memset(p->pes, 0, TS_SIZE);
 500         p->counter = 0;
 501         p->pos = 0;
 502         p->frags = 0;
 503         if (feed)
 504                 p->feed = feed;
 505 }
 506
 507 static void clear_p2t(struct av7110_p2t *p)
 508 {
 509         memset(p->pes, 0, TS_SIZE);
 510 //      p->counter = 0;
 511         p->pos = 0;
 512         p->frags = 0;
 513 }
 514
 515
 516 static int find_pes_header(u8 const *buf, long int length, int *frags)
 517 {
 518         int c = 0;
 519         int found = 0;
 520
 521         *frags = 0;
 522
 523         while (c < length - 3 && !found) {
 524                 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
 525                     buf[c + 2] == 0x01) {
 526                         switch ( buf[c + 3] ) {
 527                         case PROG_STREAM_MAP:
 528                         case PRIVATE_STREAM2:
 529                         case PROG_STREAM_DIR:
 530                         case ECM_STREAM     :
 531                         case EMM_STREAM     :
 532                         case PADDING_STREAM :
 533                         case DSM_CC_STREAM  :
 534                         case ISO13522_STREAM:
 535                         case PRIVATE_STREAM1:
 536                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 537                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 538                                 found = 1;
 539                                 break;
 540
 541                         default:
 542                                 c++;
 543                                 break;
 544                         }
 545                 } else
 546                         c++;
 547         }
 548         if (c == length - 3 && !found) {
 549                 if (buf[length - 1] == 0x00)
 550                         *frags = 1;
 551                 if (buf[length - 2] == 0x00 &&
 552                     buf[length - 1] == 0x00)
 553                         *frags = 2;
 554                 if (buf[length - 3] == 0x00 &&
 555                     buf[length - 2] == 0x00 &&
 556                     buf[length - 1] == 0x01)
 557                         *frags = 3;
 558                 return -1;
 559         }
 560
 561         return c;
 562 }
 563
 564 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
 565 {
 566         int c, c2, l, add;
 567         int check, rest;
 568
 569         c = 0;
 570         c2 = 0;
 571         if (p->frags){
 572                 check = 0;
 573                 switch(p->frags) {
 574                 case 1:
 575                         if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
 576                                 check = 1;
 577                                 c += 2;
 578                         }
 579                         break;
 580                 case 2:
 581                         if (buf[c] == 0x01) {
 582                                 check = 1;
 583                                 c++;
 584                         }
 585                         break;
 586                 case 3:
 587                         check = 1;
 588                 }
 589                 if (check) {
 590                         switch (buf[c]) {
 591                         case PROG_STREAM_MAP:
 592                         case PRIVATE_STREAM2:
 593                         case PROG_STREAM_DIR:
 594                         case ECM_STREAM     :
 595                         case EMM_STREAM     :
 596                         case PADDING_STREAM :
 597                         case DSM_CC_STREAM  :
 598                         case ISO13522_STREAM:
 599                         case PRIVATE_STREAM1:
 600                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 601                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 602                                 p->pes[0] = 0x00;
 603                                 p->pes[1] = 0x00;
 604                                 p->pes[2] = 0x01;
 605                                 p->pes[3] = buf[c];
 606                                 p->pos = 4;
 607                                 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
 608                                 c += (TS_SIZE - 4) - p->pos;
 609                                 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
 610                                 clear_p2t(p);
 611                                 break;
 612
 613                         default:
 614                                 c = 0;
 615                                 break;
 616                         }
 617                 }
 618                 p->frags = 0;
 619         }
 620
 621         if (p->pos) {
 622                 c2 = find_pes_header(buf + c, length - c, &p->frags);
 623                 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
 624                         l = c2+c;
 625                 else
 626                         l = (TS_SIZE - 4) - p->pos;
 627                 memcpy(p->pes + p->pos, buf, l);
 628                 c += l;
 629                 p->pos += l;
 630                 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
 631                 clear_p2t(p);
 632         }
 633
 634         add = 0;
 635         while (c < length) {
 636                 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
 637                 if (c2 >= 0) {
 638                         c2 += c + add;
 639                         if (c2 > c){
 640                                 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
 641                                 c = c2;
 642                                 clear_p2t(p);
 643                                 add = 0;
 644                         } else
 645                                 add = 1;
 646                 } else {
 647                         l = length - c;
 648                         rest = l % (TS_SIZE - 4);
 649                         l -= rest;
 650                         p_to_t(buf + c, l, pid, &p->counter, p->feed);
 651                         memcpy(p->pes, buf + c + l, rest);
 652                         p->pos = rest;
 653                         c = length;
 654                 }
 655         }
 656 }
 657
 658
 659 int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
 660 {
 661         int i;
 662         int c = 0;
 663         int fill;
 664         u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
 665
 666         fill = (TS_SIZE - 4) - length;
 667         if (pes_start)
 668                 tshead[1] = 0x40;
 669         if (fill)
 670                 tshead[3] = 0x30;
 671         tshead[1] |= (u8)((pid & 0x1F00) >> 8);
 672         tshead[2] |= (u8)(pid & 0x00FF);
 673         tshead[3] |= ((*counter)++ & 0x0F);
 674         memcpy(buf, tshead, 4);
 675         c += 4;
 676
 677         if (fill) {
 678                 buf[4] = fill - 1;
 679                 c++;
 680                 if (fill > 1) {
 681                         buf[5] = 0x00;
 682                         c++;
 683                 }
 684                 for (i = 6; i < fill + 4; i++) {
 685                         buf[i] = 0xFF;
 686                         c++;
 687                 }
 688         }
 689
 690         return c;
 691 }
 692
 693
 694 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 695                    struct dvb_demux_feed *feed)
 696 {
 697         int l, pes_start;
 698         u8 obuf[TS_SIZE];
 699         long c = 0;
 700
 701         pes_start = 0;
 702         if (length > 3 &&
 703              buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
 704                 switch (buf[3]) {
 705                         case PROG_STREAM_MAP:
 706                         case PRIVATE_STREAM2:
 707                         case PROG_STREAM_DIR:
 708                         case ECM_STREAM     :
 709                         case EMM_STREAM     :
 710                         case PADDING_STREAM :
 711                         case DSM_CC_STREAM  :
 712                         case ISO13522_STREAM:
 713                         case PRIVATE_STREAM1:
 714                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 715                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 716                                 pes_start = 1;
 717                                 break;
 718
 719                         default:
 720                                 break;
 721                 }
 722
 723         while (c < length) {
 724                 memset(obuf, 0, TS_SIZE);
 725                 if (length - c >= (TS_SIZE - 4)){
 726                         l = write_ts_header2(pid, counter, pes_start,
 727                                              obuf, (TS_SIZE - 4));
 728                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 729                         c += TS_SIZE - l;
 730                 } else {
 731                         l = write_ts_header2(pid, counter, pes_start,
 732                                              obuf, length - c);
 733                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 734                         c = length;
 735                 }
 736                 feed->cb.ts(obuf, 188, 0, 0, &feed->feed.ts, DMX_OK);
 737                 pes_start = 0;
 738         }
 739 }
 740
 741
 742 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
 743 {
 744         struct dvb_demux *demux = feed->demux;
 745         struct av7110 *av7110 = (struct av7110 *) demux->priv;
 746         struct ipack *ipack = &av7110->ipack[feed->pes_type];
 747
 748         DEB_EE(("av7110: %p\n", av7110));
 749
 750         switch (feed->pes_type) {
 751         case 0:
 752                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 753                         return -EINVAL;
 754                 break;
 755         case 1:
 756                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 757                         return -EINVAL;
 758                 break;
 759         default:
 760                 return -1;
 761         }
 762
 763         if (!(buf[3] & 0x10)) /* no payload? */
 764                 return -1;
 765         if (buf[1] & 0x40)
 766                 av7110_ipack_flush(ipack);
 767
 768         if (buf[3] & 0x20) {  /* adaptation field? */
 769                 len -= buf[4] + 1;
 770                 buf += buf[4] + 1;
 771                 if (!len)
 772                         return 0;
 773         }
 774
 775         av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
 776         return 0;
 777 }
 778
 779
 780
 781 /******************************************************************************
 782  * Video MPEG decoder events
 783  ******************************************************************************/
 784 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
 785 {
 786         struct dvb_video_events *events = &av7110->video_events;
 787         int wp;
 788
 789         DEB_D(("\n"));
 790
 791         spin_lock_bh(&events->lock);
 792
 793         wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
 794         if (wp == events->eventr) {
 795                 events->overflow = 1;
 796                 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 797         }
 798
 799         //FIXME: timestamp?
 800         memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
 801         events->eventw = wp;
 802
 803         spin_unlock_bh(&events->lock);
 804
 805         wake_up_interruptible(&events->wait_queue);
 806 }
 807
 808
 809 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
 810 {
 811         struct dvb_video_events *events = &av7110->video_events;
 812
 813         DEB_D(("\n"));
 814
 815         if (events->overflow) {
 816                 events->overflow = 0;
 817                 return -EOVERFLOW;
 818         }
 819         if (events->eventw == events->eventr) {
 820                 int ret;
 821
 822                 if (flags & O_NONBLOCK)
 823                         return -EWOULDBLOCK;
 824
 825                 ret = wait_event_interruptible(events->wait_queue,
 826                                                events->eventw != events->eventr);
 827                 if (ret < 0)
 828                         return ret;
 829         }
 830
 831         spin_lock_bh(&events->lock);
 832
 833         memcpy(event, &events->events[events->eventr],
 834                sizeof(struct video_event));
 835         events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 836
 837         spin_unlock_bh(&events->lock);
 838
 839         return 0;
 840 }
 841
 842
 843 /******************************************************************************
 844  * DVB device file operations
 845  ******************************************************************************/
 846
 847 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
 848 {
 849         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 850         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 851         unsigned int mask = 0;
 852
 853         DEB_EE(("av7110: %p\n", av7110));
 854
 855         if ((file->f_flags & O_ACCMODE) != O_RDONLY)
 856                 poll_wait(file, &av7110->avout.queue, wait);
 857
 858         poll_wait(file, &av7110->video_events.wait_queue, wait);
 859
 860         if (av7110->video_events.eventw != av7110->video_events.eventr)
 861                 mask = POLLPRI;
 862
 863         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 864                 if (av7110->playing) {
 865                         if (FREE_COND)
 866                                 mask |= (POLLOUT | POLLWRNORM);
 867                         } else /* if not playing: may play if asked for */
 868                                 mask |= (POLLOUT | POLLWRNORM);
 869         }
 870
 871         return mask;
 872 }
 873
 874 static ssize_t dvb_video_write(struct file *file, const char *buf,
 875                                size_t count, loff_t *ppos)
 876 {
 877         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 878         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 879
 880         DEB_EE(("av7110: %p\n", av7110));
 881
 882         if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 883                 return -EPERM;
 884
 885         if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
 886                 return -EPERM;
 887
 888         return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1, 1);
 889 }
 890
 891 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
 892 {
 893         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 894         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 895         unsigned int mask = 0;
 896
 897         DEB_EE(("av7110: %p\n", av7110));
 898
 899         poll_wait(file, &av7110->aout.queue, wait);
 900
 901         if (av7110->playing) {
 902                 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 903                         mask |= (POLLOUT | POLLWRNORM);
 904         } else /* if not playing: may play if asked for */
 905                 mask = (POLLOUT | POLLWRNORM);
 906
 907         return mask;
 908 }
 909
 910 static ssize_t dvb_audio_write(struct file *file, const char *buf,
 911                                size_t count, loff_t *ppos)
 912 {
 913         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 914         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 915
 916         DEB_EE(("av7110: %p\n", av7110));
 917
 918         if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
 919                 printk(KERN_ERR "not audio source memory\n");
 920                 return -EPERM;
 921         }
 922         return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
 923 }
 924
 925 u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
 926
 927 #define MIN_IFRAME 400000
 928
 929 static int play_iframe(struct av7110 *av7110, u8 *buf, unsigned int len, int nonblock)
 930 {
 931         int i, n;
 932
 933         DEB_EE(("av7110: %p\n", av7110));
 934
 935         if (!(av7110->playing & RP_VIDEO)) {
 936                 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
 937                         return -EBUSY;
 938         }
 939
 940         /* setting n always > 1, fixes problems when playing stillframes
 941            consisting of I- and P-Frames */
 942         n = MIN_IFRAME / len + 1;
 943
 944         /* FIXME: nonblock? */
 945         dvb_play(av7110, iframe_header, sizeof(iframe_header), 0, 1, 0);
 946
 947         for (i = 0; i < n; i++)
 948                 dvb_play(av7110, buf, len, 0, 1, 1);
 949
 950         av7110_ipack_flush(&av7110->ipack[1]);
 951         return 0;
 952 }
 953
 954
 955 static int dvb_video_ioctl(struct inode *inode, struct file *file,
 956                            unsigned int cmd, void *parg)
 957 {
 958         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 959         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 960         unsigned long arg = (unsigned long) parg;
 961         int ret = 0;
 962
 963         DEB_EE(("av7110: %p\n", av7110));
 964
 965         if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
 966                 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
 967                      cmd != VIDEO_GET_SIZE ) {
 968                         return -EPERM;
 969                 }
 970         }
 971
 972         switch (cmd) {
 973         case VIDEO_STOP:
 974                 av7110->videostate.play_state = VIDEO_STOPPED;
 975                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 976                         av7110_av_stop(av7110, RP_VIDEO);
 977                 else
 978                         vidcom(av7110, VIDEO_CMD_STOP,
 979                                av7110->videostate.video_blank ? 0 : 1);
 980                 av7110->trickmode = TRICK_NONE;
 981                 break;
 982
 983         case VIDEO_PLAY:
 984                 av7110->trickmode = TRICK_NONE;
 985                 if (av7110->videostate.play_state == VIDEO_FREEZED) {
 986                         av7110->videostate.play_state = VIDEO_PLAYING;
 987                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
 988                 }
 989
 990                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
 991                         if (av7110->playing == RP_AV) {
 992                                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 993                                 av7110->playing &= ~RP_VIDEO;
 994                         }
 995                         av7110_av_start_play(av7110, RP_VIDEO);
 996                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
 997                 } else {
 998                         //av7110_av_stop(av7110, RP_VIDEO);
 999                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
1000                 }
1001                 av7110->videostate.play_state = VIDEO_PLAYING;
1002                 break;
1003
1004         case VIDEO_FREEZE:
1005                 av7110->videostate.play_state = VIDEO_FREEZED;
1006                 if (av7110->playing & RP_VIDEO)
1007                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1008                 else
1009                         vidcom(av7110, VIDEO_CMD_FREEZE, 1);
1010                 av7110->trickmode = TRICK_FREEZE;
1011                 break;
1012
1013         case VIDEO_CONTINUE:
1014                 if (av7110->playing & RP_VIDEO)
1015                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1016                 vidcom(av7110, VIDEO_CMD_PLAY, 0);
1017                 av7110->videostate.play_state = VIDEO_PLAYING;
1018                 av7110->trickmode = TRICK_NONE;
1019                 break;
1020
1021         case VIDEO_SELECT_SOURCE:
1022                 av7110->videostate.stream_source = (video_stream_source_t) arg;
1023                 break;
1024
1025         case VIDEO_SET_BLANK:
1026                 av7110->videostate.video_blank = (int) arg;
1027                 break;
1028
1029         case VIDEO_GET_STATUS:
1030                 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1031                 break;
1032
1033         case VIDEO_GET_EVENT:
1034                 ret=dvb_video_get_event(av7110, parg, file->f_flags);
1035                 break;
1036
1037         case VIDEO_GET_SIZE:
1038                 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1039                 break;
1040
1041         case VIDEO_SET_DISPLAY_FORMAT:
1042         {
1043                 video_displayformat_t format = (video_displayformat_t) arg;
1044                 u16 val = 0;
1045
1046                 switch (format) {
1047                 case VIDEO_PAN_SCAN:
1048                         val = VID_PAN_SCAN_PREF;
1049                         break;
1050
1051                 case VIDEO_LETTER_BOX:
1052                         val = VID_VC_AND_PS_PREF;
1053                         break;
1054
1055                 case VIDEO_CENTER_CUT_OUT:
1056                         val = VID_CENTRE_CUT_PREF;
1057                         break;
1058
1059                 default:
1060                         ret = -EINVAL;
1061                 }
1062                 if (ret < 0)
1063                         break;
1064                 av7110->videostate.video_format = format;
1065                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1066                                     1, (u16) val);
1067                 break;
1068         }
1069
1070         case VIDEO_SET_FORMAT:
1071                 if (arg > 1) {
1072                         ret = -EINVAL;
1073                         break;
1074                 }
1075                 av7110->display_ar = arg;
1076                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1077                                     1, (u16) arg);
1078                 break;
1079
1080         case VIDEO_STILLPICTURE:
1081         {
1082                 struct video_still_picture *pic =
1083                         (struct video_still_picture *) parg;
1084                 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1085                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1086                 ret = play_iframe(av7110, pic->iFrame, pic->size,
1087                                   file->f_flags & O_NONBLOCK);
1088                 break;
1089         }
1090
1091         case VIDEO_FAST_FORWARD:
1092                 //note: arg is ignored by firmware
1093                 if (av7110->playing & RP_VIDEO)
1094                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1095                                       __Scan_I, 2, AV_PES, 0);
1096                 else
1097                         vidcom(av7110, VIDEO_CMD_FFWD, arg);
1098                 av7110->trickmode = TRICK_FAST;
1099                 av7110->videostate.play_state = VIDEO_PLAYING;
1100                 break;
1101
1102         case VIDEO_SLOWMOTION:
1103                 if (av7110->playing&RP_VIDEO) {
1104                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1105                         vidcom(av7110, VIDEO_CMD_SLOW, arg);
1106                 } else {
1107                         vidcom(av7110, VIDEO_CMD_PLAY, 0);
1108                         vidcom(av7110, VIDEO_CMD_STOP, 0);
1109                         vidcom(av7110, VIDEO_CMD_SLOW, arg);
1110                 }
1111                 av7110->trickmode = TRICK_SLOW;
1112                 av7110->videostate.play_state = VIDEO_PLAYING;
1113                 break;
1114
1115         case VIDEO_GET_CAPABILITIES:
1116                 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1117                         VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1118                 break;
1119
1120         case VIDEO_CLEAR_BUFFER:
1121                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1122                 av7110_ipack_reset(&av7110->ipack[1]);
1123
1124                 if (av7110->playing == RP_AV) {
1125                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1126                                       __Play, 2, AV_PES, 0);
1127                         if (av7110->trickmode == TRICK_FAST)
1128                                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1129                                               __Scan_I, 2, AV_PES, 0);
1130                         if (av7110->trickmode == TRICK_SLOW) {
1131                                 av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1132                                               __Slow, 2, 0, 0);
1133                                 vidcom(av7110, VIDEO_CMD_SLOW, arg);
1134                         }
1135                         if (av7110->trickmode == TRICK_FREEZE)
1136                                 vidcom(av7110, VIDEO_CMD_STOP, 1);
1137                 }
1138                 break;
1139
1140         case VIDEO_SET_STREAMTYPE:
1141
1142                 break;
1143
1144         default:
1145                 ret = -ENOIOCTLCMD;
1146                 break;
1147         }
1148         return ret;
1149 }
1150
1151 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1152                            unsigned int cmd, void *parg)
1153 {
1154         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1155         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1156         unsigned long arg = (unsigned long) parg;
1157         int ret = 0;
1158
1159         DEB_EE(("av7110: %p\n", av7110));
1160
1161         if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1162             (cmd != AUDIO_GET_STATUS))
1163                 return -EPERM;
1164
1165         switch (cmd) {
1166         case AUDIO_STOP:
1167                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1168                         av7110_av_stop(av7110, RP_AUDIO);
1169                 else
1170                         audcom(av7110, AUDIO_CMD_MUTE);
1171                 av7110->audiostate.play_state = AUDIO_STOPPED;
1172                 break;
1173
1174         case AUDIO_PLAY:
1175                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1176                         av7110_av_start_play(av7110, RP_AUDIO);
1177                 audcom(av7110, AUDIO_CMD_UNMUTE);
1178                 av7110->audiostate.play_state = AUDIO_PLAYING;
1179                 break;
1180
1181         case AUDIO_PAUSE:
1182                 audcom(av7110, AUDIO_CMD_MUTE);
1183                 av7110->audiostate.play_state = AUDIO_PAUSED;
1184                 break;
1185
1186         case AUDIO_CONTINUE:
1187                 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1188                         av7110->audiostate.play_state = AUDIO_PLAYING;
1189                         audcom(av7110, AUDIO_CMD_MUTE | AUDIO_CMD_PCM16);
1190                 }
1191                 break;
1192
1193         case AUDIO_SELECT_SOURCE:
1194                 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1195                 break;
1196
1197         case AUDIO_SET_MUTE:
1198         {
1199                 audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1200                 av7110->audiostate.mute_state = (int) arg;
1201                 break;
1202         }
1203
1204         case AUDIO_SET_AV_SYNC:
1205                 av7110->audiostate.AV_sync_state = (int) arg;
1206                 audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1207                 break;
1208
1209         case AUDIO_SET_BYPASS_MODE:
1210                 ret = -EINVAL;
1211                 break;
1212
1213         case AUDIO_CHANNEL_SELECT:
1214                 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1215
1216                 switch(av7110->audiostate.channel_select) {
1217                 case AUDIO_STEREO:
1218                         audcom(av7110, AUDIO_CMD_STEREO);
1219                         break;
1220
1221                 case AUDIO_MONO_LEFT:
1222                         audcom(av7110, AUDIO_CMD_MONO_L);
1223                         break;
1224
1225                 case AUDIO_MONO_RIGHT:
1226                         audcom(av7110, AUDIO_CMD_MONO_R);
1227                         break;
1228
1229                 default:
1230                         ret = -EINVAL;
1231                         break;
1232                 }
1233                 break;
1234
1235         case AUDIO_GET_STATUS:
1236                 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1237                 break;
1238
1239         case AUDIO_GET_CAPABILITIES:
1240                 *(int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1241                 break;
1242
1243         case AUDIO_CLEAR_BUFFER:
1244                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1245                 av7110_ipack_reset(&av7110->ipack[0]);
1246                 if (av7110->playing == RP_AV)
1247                         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1248                                __Play, 2, AV_PES, 0);
1249                 break;
1250         case AUDIO_SET_ID:
1251
1252                 break;
1253         case AUDIO_SET_MIXER:
1254         {
1255                 struct audio_mixer *amix = (struct audio_mixer *)parg;
1256
1257                 av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1258                 break;
1259         }
1260         case AUDIO_SET_STREAMTYPE:
1261                 break;
1262         default:
1263                 ret = -ENOIOCTLCMD;
1264         }
1265         return ret;
1266 }
1267
1268
1269 static int dvb_video_open(struct inode *inode, struct file *file)
1270 {
1271         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1272         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1273         int err;
1274
1275         DEB_EE(("av7110: %p\n", av7110));
1276
1277         if ((err = dvb_generic_open(inode, file)) < 0)
1278                 return err;
1279
1280         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1281                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1282                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1283                 av7110->video_blank = 1;
1284                 av7110->audiostate.AV_sync_state = 1;
1285                 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1286
1287                 /*  empty event queue */
1288                 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1289         }
1290
1291         return 0;
1292 }
1293
1294 static int dvb_video_release(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
1299         DEB_EE(("av7110: %p\n", av7110));
1300
1301         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1302                 av7110_av_stop(av7110, RP_VIDEO);
1303         }
1304
1305         return dvb_generic_release(inode, file);
1306 }
1307
1308 static int dvb_audio_open(struct inode *inode, struct file *file)
1309 {
1310         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1311         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1312         int err=dvb_generic_open(inode, file);
1313
1314         DEB_EE(("av7110: %p\n", av7110));
1315
1316         if (err < 0)
1317                 return err;
1318         dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1319         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1320         return 0;
1321 }
1322
1323 static int dvb_audio_release(struct inode *inode, struct file *file)
1324 {
1325         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1326         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1327
1328         DEB_EE(("av7110: %p\n", av7110));
1329
1330         av7110_av_stop(av7110, RP_AUDIO);
1331         return dvb_generic_release(inode, file);
1332 }
1333
1334
1335
1336 /******************************************************************************
1337  * driver registration
1338  ******************************************************************************/
1339
1340 static struct file_operations dvb_video_fops = {
1341         .owner          = THIS_MODULE,
1342         .write          = dvb_video_write,
1343         .ioctl          = dvb_generic_ioctl,
1344         .open           = dvb_video_open,
1345         .release        = dvb_video_release,
1346         .poll           = dvb_video_poll,
1347 };
1348
1349 static struct dvb_device dvbdev_video = {
1350         .priv           = 0,
1351         .users          = 6,
1352         .readers        = 5,    /* arbitrary */
1353         .writers        = 1,
1354         .fops           = &dvb_video_fops,
1355         .kernel_ioctl   = dvb_video_ioctl,
1356 };
1357
1358 static struct file_operations dvb_audio_fops = {
1359         .owner          = THIS_MODULE,
1360         .write          = dvb_audio_write,
1361         .ioctl          = dvb_generic_ioctl,
1362         .open           = dvb_audio_open,
1363         .release        = dvb_audio_release,
1364         .poll           = dvb_audio_poll,
1365 };
1366
1367 static struct dvb_device dvbdev_audio = {
1368         .priv           = 0,
1369         .users          = 1,
1370         .writers        = 1,
1371         .fops           = &dvb_audio_fops,
1372         .kernel_ioctl   = dvb_audio_ioctl,
1373 };
1374
1375
1376 int av7110_av_register(struct av7110 *av7110)
1377 {
1378         av7110->audiostate.AV_sync_state = 0;
1379         av7110->audiostate.mute_state = 0;
1380         av7110->audiostate.play_state = AUDIO_STOPPED;
1381         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1382         av7110->audiostate.channel_select = AUDIO_STEREO;
1383         av7110->audiostate.bypass_mode = 0;
1384
1385         av7110->videostate.video_blank = 0;
1386         av7110->videostate.play_state = VIDEO_STOPPED;
1387         av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1388         av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1389         av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
1390         av7110->display_ar = VIDEO_FORMAT_4_3;
1391
1392         init_waitqueue_head(&av7110->video_events.wait_queue);
1393         spin_lock_init(&av7110->video_events.lock);
1394         av7110->video_events.eventw = av7110->video_events.eventr = 0;
1395         av7110->video_events.overflow = 0;
1396         memset(&av7110->video_size, 0, sizeof (video_size_t));
1397
1398         dvb_register_device(av7110->dvb_adapter, &av7110->video_dev,
1399                             &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1400
1401         dvb_register_device(av7110->dvb_adapter, &av7110->audio_dev,
1402                             &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1403
1404         return 0;
1405 }
1406
1407 void av7110_av_unregister(struct av7110 *av7110)
1408 {
1409         dvb_unregister_device(av7110->audio_dev);
1410         dvb_unregister_device(av7110->video_dev);
1411 }
1412
1413 int av7110_av_init(struct av7110 *av7110)
1414 {
1415         av7110->vidmode = VIDEO_MODE_PAL;
1416
1417         av7110_ipack_init(&av7110->ipack[0], IPACKS, play_audio_cb);
1418         av7110->ipack[0].data = (void *) av7110;
1419         av7110_ipack_init(&av7110->ipack[1], IPACKS, play_video_cb);
1420         av7110->ipack[1].data = (void *) av7110;
1421
1422         dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1423         dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1424
1425         av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1426         av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1427
1428         return 0;
1429 }
1430
1431 int av7110_av_exit(struct av7110 *av7110)
1432 {
1433         av7110_ipack_free(&av7110->ipack[0]);
1434         av7110_ipack_free(&av7110->ipack[1]);
1435         return 0;
1436 }