git.oblomov.eu Git - linux-2.6/blob - drivers/media/dvb/ttpci/av7110_av.c

   1 /*
   2  * av7110_av.c: audio and video MPEG decoder stuff
   3  *
   4  * Copyright (C) 1999-2002 Ralph  Metzler
   5  *                       & Marcus Metzler for convergence integrated media GmbH
   6  *
   7  * originally based on code by:
   8  * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  26  *
  27  *
  28  * the project's page is at http://www.linuxtv.org/dvb/
  29  */
  30
  31 #include <linux/types.h>
  32 #include <linux/kernel.h>
  33 #include <linux/string.h>
  34 #include <linux/sched.h>
  35 #include <linux/delay.h>
  36 #include <linux/byteorder/swabb.h>
  37 #include <linux/smp_lock.h>
  38 #include <linux/fs.h>
  39
  40 #include "av7110.h"
  41 #include "av7110_hw.h"
  42 #include "av7110_av.h"
  43 #include "av7110_ipack.h"
  44
  45 /* MPEG-2 (ISO 13818 / H.222.0) stream types */
  46 #define PROG_STREAM_MAP  0xBC
  47 #define PRIVATE_STREAM1  0xBD
  48 #define PADDING_STREAM   0xBE
  49 #define PRIVATE_STREAM2  0xBF
  50 #define AUDIO_STREAM_S   0xC0
  51 #define AUDIO_STREAM_E   0xDF
  52 #define VIDEO_STREAM_S   0xE0
  53 #define VIDEO_STREAM_E   0xEF
  54 #define ECM_STREAM       0xF0
  55 #define EMM_STREAM       0xF1
  56 #define DSM_CC_STREAM    0xF2
  57 #define ISO13522_STREAM  0xF3
  58 #define PROG_STREAM_DIR  0xFF
  59
  60 #define PTS_DTS_FLAGS    0xC0
  61
  62 //pts_dts flags
  63 #define PTS_ONLY         0x80
  64 #define PTS_DTS          0xC0
  65 #define TS_SIZE          188
  66 #define TRANS_ERROR      0x80
  67 #define PAY_START        0x40
  68 #define TRANS_PRIO       0x20
  69 #define PID_MASK_HI      0x1F
  70 //flags
  71 #define TRANS_SCRMBL1    0x80
  72 #define TRANS_SCRMBL2    0x40
  73 #define ADAPT_FIELD      0x20
  74 #define PAYLOAD          0x10
  75 #define COUNT_MASK       0x0F
  76
  77 // adaptation flags
  78 #define DISCON_IND       0x80
  79 #define RAND_ACC_IND     0x40
  80 #define ES_PRI_IND       0x20
  81 #define PCR_FLAG         0x10
  82 #define OPCR_FLAG        0x08
  83 #define SPLICE_FLAG      0x04
  84 #define TRANS_PRIV       0x02
  85 #define ADAP_EXT_FLAG    0x01
  86
  87 // adaptation extension flags
  88 #define LTW_FLAG         0x80
  89 #define PIECE_RATE       0x40
  90 #define SEAM_SPLICE      0x20
  91
  92
  93 static void p_to_t(u8 const *buf, long int length, u16 pid,
  94                    u8 *counter, struct dvb_demux_feed *feed);
  95
  96
  97 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
  98 {
  99         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
 100
 101         if (!(dvbdmxfeed->ts_type & TS_PACKET))
 102                 return 0;
 103         if (buf[3] == 0xe0)      // video PES do not have a length in TS
 104                 buf[4] = buf[5] = 0;
 105         if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
 106                 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
 107                                          &dvbdmxfeed->feed.ts, DMX_OK);
 108         else
 109                 return dvb_filter_pes2ts(p2t, buf, len, 1);
 110 }
 111
 112 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
 113 {
 114         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
 115
 116         dvbdmxfeed->cb.ts(data, 188, NULL, 0,
 117                           &dvbdmxfeed->feed.ts, DMX_OK);
 118         return 0;
 119 }
 120
 121 int av7110_av_start_record(struct av7110 *av7110, int av,
 122                            struct dvb_demux_feed *dvbdmxfeed)
 123 {
 124         int ret = 0;
 125         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 126
 127         dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
 128
 129         if (av7110->playing || (av7110->rec_mode & av))
 130                 return -EBUSY;
 131         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 132         dvbdmx->recording = 1;
 133         av7110->rec_mode |= av;
 134
 135         switch (av7110->rec_mode) {
 136         case RP_AUDIO:
 137                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 138                                        dvbdmx->pesfilter[0]->pid,
 139                                        dvb_filter_pes2ts_cb,
 140                                        (void *) dvbdmx->pesfilter[0]);
 141                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 142                 break;
 143
 144         case RP_VIDEO:
 145                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 146                                        dvbdmx->pesfilter[1]->pid,
 147                                        dvb_filter_pes2ts_cb,
 148                                        (void *) dvbdmx->pesfilter[1]);
 149                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 150                 break;
 151
 152         case RP_AV:
 153                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 154                                        dvbdmx->pesfilter[0]->pid,
 155                                        dvb_filter_pes2ts_cb,
 156                                        (void *) dvbdmx->pesfilter[0]);
 157                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 158                                        dvbdmx->pesfilter[1]->pid,
 159                                        dvb_filter_pes2ts_cb,
 160                                        (void *) dvbdmx->pesfilter[1]);
 161                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
 162                 break;
 163         }
 164         return ret;
 165 }
 166
 167 int av7110_av_start_play(struct av7110 *av7110, int av)
 168 {
 169         int ret = 0;
 170         dprintk(2, "av7110:%p, \n", av7110);
 171
 172         if (av7110->rec_mode)
 173                 return -EBUSY;
 174         if (av7110->playing & av)
 175                 return -EBUSY;
 176
 177         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 178
 179         if (av7110->playing == RP_NONE) {
 180                 av7110_ipack_reset(&av7110->ipack[0]);
 181                 av7110_ipack_reset(&av7110->ipack[1]);
 182         }
 183
 184         av7110->playing |= av;
 185         switch (av7110->playing) {
 186         case RP_AUDIO:
 187                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 188                 break;
 189         case RP_VIDEO:
 190                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 191                 av7110->sinfo = 0;
 192                 break;
 193         case RP_AV:
 194                 av7110->sinfo = 0;
 195                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
 196                 break;
 197         }
 198         if (!ret)
 199                 ret = av7110->playing;
 200         return ret;
 201 }
 202
 203 int av7110_av_stop(struct av7110 *av7110, int av)
 204 {
 205         int ret = 0;
 206         dprintk(2, "av7110:%p, \n", av7110);
 207
 208         if (!(av7110->playing & av) && !(av7110->rec_mode & av))
 209                 return 0;
 210         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 211         if (av7110->playing) {
 212                 av7110->playing &= ~av;
 213                 switch (av7110->playing) {
 214                 case RP_AUDIO:
 215                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 216                         break;
 217                 case RP_VIDEO:
 218                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 219                         break;
 220                 case RP_NONE:
 221                         ret = av7110_set_vidmode(av7110, av7110->vidmode);
 222                         break;
 223                 }
 224         } else {
 225                 av7110->rec_mode &= ~av;
 226                 switch (av7110->rec_mode) {
 227                 case RP_AUDIO:
 228                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 229                         break;
 230                 case RP_VIDEO:
 231                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 232                         break;
 233                 case RP_NONE:
 234                         break;
 235                 }
 236         }
 237         return ret;
 238 }
 239
 240
 241 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
 242 {
 243         int len;
 244         u32 sync;
 245         u16 blen;
 246
 247         if (!dlen) {
 248                 wake_up(&buf->queue);
 249                 return -1;
 250         }
 251         while (1) {
 252                 if ((len = dvb_ringbuffer_avail(buf)) < 6)
 253                         return -1;
 254                 sync =  DVB_RINGBUFFER_PEEK(buf, 0) << 24;
 255                 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
 256                 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
 257                 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
 258
 259                 if (((sync &~ 0x0f) == 0x000001e0) ||
 260                     ((sync &~ 0x1f) == 0x000001c0) ||
 261                     (sync == 0x000001bd))
 262                         break;
 263                 printk("resync\n");
 264                 DVB_RINGBUFFER_SKIP(buf, 1);
 265         }
 266         blen =  DVB_RINGBUFFER_PEEK(buf, 4) << 8;
 267         blen |= DVB_RINGBUFFER_PEEK(buf, 5);
 268         blen += 6;
 269         if (len < blen || blen > dlen) {
 270                 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
 271                 wake_up(&buf->queue);
 272                 return -1;
 273         }
 274
 275         dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
 276
 277         dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
 278                (unsigned long) buf->pread, (unsigned long) buf->pwrite);
 279         wake_up(&buf->queue);
 280         return blen;
 281 }
 282
 283
 284 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
 285 {
 286         int err, vol, val, balance = 0;
 287
 288         dprintk(2, "av7110:%p, \n", av7110);
 289
 290         av7110->mixer.volume_left = volleft;
 291         av7110->mixer.volume_right = volright;
 292
 293         switch (av7110->adac_type) {
 294         case DVB_ADAC_TI:
 295                 volleft = (volleft * 256) / 1036;
 296                 volright = (volright * 256) / 1036;
 297                 if (volleft > 0x3f)
 298                         volleft = 0x3f;
 299                 if (volright > 0x3f)
 300                         volright = 0x3f;
 301                 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
 302                         return err;
 303                 return SendDAC(av7110, 4, volright);
 304
 305         case DVB_ADAC_CRYSTAL:
 306                 volleft = 127 - volleft / 2;
 307                 volright = 127 - volright / 2;
 308                 i2c_writereg(av7110, 0x20, 0x03, volleft);
 309                 i2c_writereg(av7110, 0x20, 0x04, volright);
 310                 return 0;
 311
 312         case DVB_ADAC_MSP:
 313                 vol  = (volleft > volright) ? volleft : volright;
 314                 val     = (vol * 0x73 / 255) << 8;
 315                 if (vol > 0)
 316                        balance = ((volright - volleft) * 127) / vol;
 317                 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 318                 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 319                 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
 320                 return 0;
 321         }
 322         return 0;
 323 }
 324
 325 int av7110_set_vidmode(struct av7110 *av7110, int mode)
 326 {
 327         int ret;
 328         dprintk(2, "av7110:%p, \n", av7110);
 329
 330         ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
 331
 332         if (!ret && !av7110->playing) {
 333                 ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
 334                            av7110->pids[DMX_PES_AUDIO],
 335                            av7110->pids[DMX_PES_TELETEXT],
 336                            0, av7110->pids[DMX_PES_PCR]);
 337                 if (!ret)
 338                         ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
 339         }
 340         return ret;
 341 }
 342
 343
 344 static int sw2mode[16] = {
 345         VIDEO_MODE_PAL, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL,
 346         VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL, VIDEO_MODE_NTSC,
 347         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 348         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 349 };
 350
 351 static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
 352 {
 353         int i;
 354         int hsize, vsize;
 355         int sw;
 356         u8 *p;
 357         int ret = 0;
 358
 359         dprintk(2, "av7110:%p, \n", av7110);
 360
 361         if (av7110->sinfo)
 362                 return 0;
 363         for (i = 7; i < count - 10; i++) {
 364                 p = buf + i;
 365                 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
 366                         continue;
 367                 p += 4;
 368                 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
 369                 vsize = ((p[1] &0x0F) << 8) | (p[2]);
 370                 sw = (p[3] & 0x0F);
 371                 ret = av7110_set_vidmode(av7110, sw2mode[sw]);
 372                 if (!ret) {
 373                         dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
 374                         av7110->sinfo = 1;
 375                 }
 376                 break;
 377         }
 378         return ret;
 379 }
 380
 381
 382 /****************************************************************************
 383  * I/O buffer management and control
 384  ****************************************************************************/
 385
 386 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
 387                                          const char *buf, unsigned long count)
 388 {
 389         unsigned long todo = count;
 390         int free;
 391
 392         while (todo > 0) {
 393                 if (dvb_ringbuffer_free(rbuf) < 2048) {
 394                         if (wait_event_interruptible(rbuf->queue,
 395                                                      (dvb_ringbuffer_free(rbuf) >= 2048)))
 396                                 return count - todo;
 397                 }
 398                 free = dvb_ringbuffer_free(rbuf);
 399                 if (free > todo)
 400                         free = todo;
 401                 dvb_ringbuffer_write(rbuf, buf, free);
 402                 todo -= free;
 403                 buf += free;
 404         }
 405
 406         return count - todo;
 407 }
 408
 409 static void play_video_cb(u8 *buf, int count, void *priv)
 410 {
 411         struct av7110 *av7110 = (struct av7110 *) priv;
 412         dprintk(2, "av7110:%p, \n", av7110);
 413
 414         if ((buf[3] & 0xe0) == 0xe0) {
 415                 get_video_format(av7110, buf, count);
 416                 aux_ring_buffer_write(&av7110->avout, buf, count);
 417         } else
 418                 aux_ring_buffer_write(&av7110->aout, buf, count);
 419 }
 420
 421 static void play_audio_cb(u8 *buf, int count, void *priv)
 422 {
 423         struct av7110 *av7110 = (struct av7110 *) priv;
 424         dprintk(2, "av7110:%p, \n", av7110);
 425
 426         aux_ring_buffer_write(&av7110->aout, buf, count);
 427 }
 428
 429 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
 430                    dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 431
 432 static ssize_t dvb_play(struct av7110 *av7110, const u8 __user *buf,
 433                         unsigned long count, int nonblock, int type)
 434 {
 435         unsigned long todo = count, n;
 436         dprintk(2, "av7110:%p, \n", av7110);
 437
 438         if (!av7110->kbuf[type])
 439                 return -ENOBUFS;
 440
 441         if (nonblock && !FREE_COND)
 442                 return -EWOULDBLOCK;
 443
 444         while (todo > 0) {
 445                 if (!FREE_COND) {
 446                         if (nonblock)
 447                                 return count - todo;
 448                         if (wait_event_interruptible(av7110->avout.queue,
 449                                                      FREE_COND))
 450                                 return count - todo;
 451                 }
 452                 n = todo;
 453                 if (n > IPACKS * 2)
 454                         n = IPACKS * 2;
 455                 if (copy_from_user(av7110->kbuf[type], buf, n))
 456                         return -EFAULT;
 457                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 458                                             &av7110->ipack[type]);
 459                 todo -= n;
 460                 buf += n;
 461         }
 462         return count - todo;
 463 }
 464
 465 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
 466                         unsigned long count, int nonblock, int type)
 467 {
 468         unsigned long todo = count, n;
 469         dprintk(2, "av7110:%p, \n", av7110);
 470
 471         if (!av7110->kbuf[type])
 472                 return -ENOBUFS;
 473
 474         if (nonblock && !FREE_COND)
 475                 return -EWOULDBLOCK;
 476
 477         while (todo > 0) {
 478                 if (!FREE_COND) {
 479                         if (nonblock)
 480                                 return count - todo;
 481                         if (wait_event_interruptible(av7110->avout.queue,
 482                                                      FREE_COND))
 483                                 return count - todo;
 484                 }
 485                 n = todo;
 486                 if (n > IPACKS * 2)
 487                         n = IPACKS * 2;
 488                 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
 489                 todo -= n;
 490                 buf += n;
 491         }
 492         return count - todo;
 493 }
 494
 495 static ssize_t dvb_aplay(struct av7110 *av7110, const u8 __user *buf,
 496                          unsigned long count, int nonblock, int type)
 497 {
 498         unsigned long todo = count, n;
 499         dprintk(2, "av7110:%p, \n", av7110);
 500
 501         if (!av7110->kbuf[type])
 502                 return -ENOBUFS;
 503         if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
 504                 return -EWOULDBLOCK;
 505
 506         while (todo > 0) {
 507                 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
 508                         if (nonblock)
 509                                 return count - todo;
 510                         if (wait_event_interruptible(av7110->aout.queue,
 511                                         (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
 512                                 return count-todo;
 513                 }
 514                 n = todo;
 515                 if (n > IPACKS * 2)
 516                         n = IPACKS * 2;
 517                 if (copy_from_user(av7110->kbuf[type], buf, n))
 518                         return -EFAULT;
 519                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 520                                             &av7110->ipack[type]);
 521                 todo -= n;
 522                 buf += n;
 523         }
 524         return count - todo;
 525 }
 526
 527 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
 528 {
 529         memset(p->pes, 0, TS_SIZE);
 530         p->counter = 0;
 531         p->pos = 0;
 532         p->frags = 0;
 533         if (feed)
 534                 p->feed = feed;
 535 }
 536
 537 static void clear_p2t(struct av7110_p2t *p)
 538 {
 539         memset(p->pes, 0, TS_SIZE);
 540 //      p->counter = 0;
 541         p->pos = 0;
 542         p->frags = 0;
 543 }
 544
 545
 546 static int find_pes_header(u8 const *buf, long int length, int *frags)
 547 {
 548         int c = 0;
 549         int found = 0;
 550
 551         *frags = 0;
 552
 553         while (c < length - 3 && !found) {
 554                 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
 555                     buf[c + 2] == 0x01) {
 556                         switch ( buf[c + 3] ) {
 557                         case PROG_STREAM_MAP:
 558                         case PRIVATE_STREAM2:
 559                         case PROG_STREAM_DIR:
 560                         case ECM_STREAM     :
 561                         case EMM_STREAM     :
 562                         case PADDING_STREAM :
 563                         case DSM_CC_STREAM  :
 564                         case ISO13522_STREAM:
 565                         case PRIVATE_STREAM1:
 566                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 567                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 568                                 found = 1;
 569                                 break;
 570
 571                         default:
 572                                 c++;
 573                                 break;
 574                         }
 575                 } else
 576                         c++;
 577         }
 578         if (c == length - 3 && !found) {
 579                 if (buf[length - 1] == 0x00)
 580                         *frags = 1;
 581                 if (buf[length - 2] == 0x00 &&
 582                     buf[length - 1] == 0x00)
 583                         *frags = 2;
 584                 if (buf[length - 3] == 0x00 &&
 585                     buf[length - 2] == 0x00 &&
 586                     buf[length - 1] == 0x01)
 587                         *frags = 3;
 588                 return -1;
 589         }
 590
 591         return c;
 592 }
 593
 594 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
 595 {
 596         int c, c2, l, add;
 597         int check, rest;
 598
 599         c = 0;
 600         c2 = 0;
 601         if (p->frags){
 602                 check = 0;
 603                 switch(p->frags) {
 604                 case 1:
 605                         if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
 606                                 check = 1;
 607                                 c += 2;
 608                         }
 609                         break;
 610                 case 2:
 611                         if (buf[c] == 0x01) {
 612                                 check = 1;
 613                                 c++;
 614                         }
 615                         break;
 616                 case 3:
 617                         check = 1;
 618                 }
 619                 if (check) {
 620                         switch (buf[c]) {
 621                         case PROG_STREAM_MAP:
 622                         case PRIVATE_STREAM2:
 623                         case PROG_STREAM_DIR:
 624                         case ECM_STREAM     :
 625                         case EMM_STREAM     :
 626                         case PADDING_STREAM :
 627                         case DSM_CC_STREAM  :
 628                         case ISO13522_STREAM:
 629                         case PRIVATE_STREAM1:
 630                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 631                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 632                                 p->pes[0] = 0x00;
 633                                 p->pes[1] = 0x00;
 634                                 p->pes[2] = 0x01;
 635                                 p->pes[3] = buf[c];
 636                                 p->pos = 4;
 637                                 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
 638                                 c += (TS_SIZE - 4) - p->pos;
 639                                 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
 640                                 clear_p2t(p);
 641                                 break;
 642
 643                         default:
 644                                 c = 0;
 645                                 break;
 646                         }
 647                 }
 648                 p->frags = 0;
 649         }
 650
 651         if (p->pos) {
 652                 c2 = find_pes_header(buf + c, length - c, &p->frags);
 653                 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
 654                         l = c2+c;
 655                 else
 656                         l = (TS_SIZE - 4) - p->pos;
 657                 memcpy(p->pes + p->pos, buf, l);
 658                 c += l;
 659                 p->pos += l;
 660                 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
 661                 clear_p2t(p);
 662         }
 663
 664         add = 0;
 665         while (c < length) {
 666                 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
 667                 if (c2 >= 0) {
 668                         c2 += c + add;
 669                         if (c2 > c){
 670                                 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
 671                                 c = c2;
 672                                 clear_p2t(p);
 673                                 add = 0;
 674                         } else
 675                                 add = 1;
 676                 } else {
 677                         l = length - c;
 678                         rest = l % (TS_SIZE - 4);
 679                         l -= rest;
 680                         p_to_t(buf + c, l, pid, &p->counter, p->feed);
 681                         memcpy(p->pes, buf + c + l, rest);
 682                         p->pos = rest;
 683                         c = length;
 684                 }
 685         }
 686 }
 687
 688
 689 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
 690 {
 691         int i;
 692         int c = 0;
 693         int fill;
 694         u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
 695
 696         fill = (TS_SIZE - 4) - length;
 697         if (pes_start)
 698                 tshead[1] = 0x40;
 699         if (fill)
 700                 tshead[3] = 0x30;
 701         tshead[1] |= (u8)((pid & 0x1F00) >> 8);
 702         tshead[2] |= (u8)(pid & 0x00FF);
 703         tshead[3] |= ((*counter)++ & 0x0F);
 704         memcpy(buf, tshead, 4);
 705         c += 4;
 706
 707         if (fill) {
 708                 buf[4] = fill - 1;
 709                 c++;
 710                 if (fill > 1) {
 711                         buf[5] = 0x00;
 712                         c++;
 713                 }
 714                 for (i = 6; i < fill + 4; i++) {
 715                         buf[i] = 0xFF;
 716                         c++;
 717                 }
 718         }
 719
 720         return c;
 721 }
 722
 723
 724 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 725                    struct dvb_demux_feed *feed)
 726 {
 727         int l, pes_start;
 728         u8 obuf[TS_SIZE];
 729         long c = 0;
 730
 731         pes_start = 0;
 732         if (length > 3 &&
 733              buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
 734                 switch (buf[3]) {
 735                         case PROG_STREAM_MAP:
 736                         case PRIVATE_STREAM2:
 737                         case PROG_STREAM_DIR:
 738                         case ECM_STREAM     :
 739                         case EMM_STREAM     :
 740                         case PADDING_STREAM :
 741                         case DSM_CC_STREAM  :
 742                         case ISO13522_STREAM:
 743                         case PRIVATE_STREAM1:
 744                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 745                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 746                                 pes_start = 1;
 747                                 break;
 748
 749                         default:
 750                                 break;
 751                 }
 752
 753         while (c < length) {
 754                 memset(obuf, 0, TS_SIZE);
 755                 if (length - c >= (TS_SIZE - 4)){
 756                         l = write_ts_header2(pid, counter, pes_start,
 757                                              obuf, (TS_SIZE - 4));
 758                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 759                         c += TS_SIZE - l;
 760                 } else {
 761                         l = write_ts_header2(pid, counter, pes_start,
 762                                              obuf, length - c);
 763                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 764                         c = length;
 765                 }
 766                 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
 767                 pes_start = 0;
 768         }
 769 }
 770
 771
 772 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
 773 {
 774         struct dvb_demux *demux = feed->demux;
 775         struct av7110 *av7110 = (struct av7110 *) demux->priv;
 776         struct ipack *ipack = &av7110->ipack[feed->pes_type];
 777
 778         dprintk(2, "av7110:%p, \n", av7110);
 779
 780         switch (feed->pes_type) {
 781         case 0:
 782                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 783                         return -EINVAL;
 784                 break;
 785         case 1:
 786                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 787                         return -EINVAL;
 788                 break;
 789         default:
 790                 return -1;
 791         }
 792
 793         if (!(buf[3] & 0x10)) /* no payload? */
 794                 return -1;
 795         if (buf[1] & 0x40)
 796                 av7110_ipack_flush(ipack);
 797
 798         if (buf[3] & 0x20) {  /* adaptation field? */
 799                 len -= buf[4] + 1;
 800                 buf += buf[4] + 1;
 801                 if (!len)
 802                         return 0;
 803         }
 804
 805         av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
 806         return 0;
 807 }
 808
 809
 810
 811 /******************************************************************************
 812  * Video MPEG decoder events
 813  ******************************************************************************/
 814 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
 815 {
 816         struct dvb_video_events *events = &av7110->video_events;
 817         int wp;
 818
 819         spin_lock_bh(&events->lock);
 820
 821         wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
 822         if (wp == events->eventr) {
 823                 events->overflow = 1;
 824                 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 825         }
 826
 827         //FIXME: timestamp?
 828         memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
 829         events->eventw = wp;
 830
 831         spin_unlock_bh(&events->lock);
 832
 833         wake_up_interruptible(&events->wait_queue);
 834 }
 835
 836
 837 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
 838 {
 839         struct dvb_video_events *events = &av7110->video_events;
 840
 841         if (events->overflow) {
 842                 events->overflow = 0;
 843                 return -EOVERFLOW;
 844         }
 845         if (events->eventw == events->eventr) {
 846                 int ret;
 847
 848                 if (flags & O_NONBLOCK)
 849                         return -EWOULDBLOCK;
 850
 851                 ret = wait_event_interruptible(events->wait_queue,
 852                                                events->eventw != events->eventr);
 853                 if (ret < 0)
 854                         return ret;
 855         }
 856
 857         spin_lock_bh(&events->lock);
 858
 859         memcpy(event, &events->events[events->eventr],
 860                sizeof(struct video_event));
 861         events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 862
 863         spin_unlock_bh(&events->lock);
 864
 865         return 0;
 866 }
 867
 868
 869 /******************************************************************************
 870  * DVB device file operations
 871  ******************************************************************************/
 872
 873 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
 874 {
 875         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 876         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 877         unsigned int mask = 0;
 878
 879         dprintk(2, "av7110:%p, \n", av7110);
 880
 881         if ((file->f_flags & O_ACCMODE) != O_RDONLY)
 882                 poll_wait(file, &av7110->avout.queue, wait);
 883
 884         poll_wait(file, &av7110->video_events.wait_queue, wait);
 885
 886         if (av7110->video_events.eventw != av7110->video_events.eventr)
 887                 mask = POLLPRI;
 888
 889         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 890                 if (av7110->playing) {
 891                         if (FREE_COND)
 892                                 mask |= (POLLOUT | POLLWRNORM);
 893                         } else /* if not playing: may play if asked for */
 894                                 mask |= (POLLOUT | POLLWRNORM);
 895         }
 896
 897         return mask;
 898 }
 899
 900 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
 901                                size_t count, loff_t *ppos)
 902 {
 903         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 904         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 905
 906         dprintk(2, "av7110:%p, \n", av7110);
 907
 908         if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 909                 return -EPERM;
 910
 911         if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
 912                 return -EPERM;
 913
 914         return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
 915 }
 916
 917 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
 918 {
 919         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 920         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 921         unsigned int mask = 0;
 922
 923         dprintk(2, "av7110:%p, \n", av7110);
 924
 925         poll_wait(file, &av7110->aout.queue, wait);
 926
 927         if (av7110->playing) {
 928                 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 929                         mask |= (POLLOUT | POLLWRNORM);
 930         } else /* if not playing: may play if asked for */
 931                 mask = (POLLOUT | POLLWRNORM);
 932
 933         return mask;
 934 }
 935
 936 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
 937                                size_t count, loff_t *ppos)
 938 {
 939         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 940         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 941
 942         dprintk(2, "av7110:%p, \n", av7110);
 943
 944         if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
 945                 printk(KERN_ERR "not audio source memory\n");
 946                 return -EPERM;
 947         }
 948         return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
 949 }
 950
 951 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
 952
 953 #define MIN_IFRAME 400000
 954
 955 static int play_iframe(struct av7110 *av7110, u8 __user *buf, unsigned int len, int nonblock)
 956 {
 957         int i, n;
 958
 959         dprintk(2, "av7110:%p, \n", av7110);
 960
 961         if (!(av7110->playing & RP_VIDEO)) {
 962                 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
 963                         return -EBUSY;
 964         }
 965
 966         /* setting n always > 1, fixes problems when playing stillframes
 967            consisting of I- and P-Frames */
 968         n = MIN_IFRAME / len + 1;
 969
 970         /* FIXME: nonblock? */
 971         dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
 972
 973         for (i = 0; i < n; i++)
 974                 dvb_play(av7110, buf, len, 0, 1);
 975
 976         av7110_ipack_flush(&av7110->ipack[1]);
 977         return 0;
 978 }
 979
 980
 981 static int dvb_video_ioctl(struct inode *inode, struct file *file,
 982                            unsigned int cmd, void *parg)
 983 {
 984         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 985         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 986         unsigned long arg = (unsigned long) parg;
 987         int ret = 0;
 988
 989         dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
 990
 991         if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
 992                 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
 993                      cmd != VIDEO_GET_SIZE ) {
 994                         return -EPERM;
 995                 }
 996         }
 997
 998         switch (cmd) {
 999         case VIDEO_STOP:
1000                 av7110->videostate.play_state = VIDEO_STOPPED;
1001                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1002                         ret = av7110_av_stop(av7110, RP_VIDEO);
1003                 else
1004                         ret = vidcom(av7110, VIDEO_CMD_STOP,
1005                                av7110->videostate.video_blank ? 0 : 1);
1006                 if (!ret)
1007                         av7110->trickmode = TRICK_NONE;
1008                 break;
1009
1010         case VIDEO_PLAY:
1011                 av7110->trickmode = TRICK_NONE;
1012                 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1013                         av7110->videostate.play_state = VIDEO_PLAYING;
1014                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1015                         if (ret)
1016                                 break;
1017                 }
1018
1019                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1020                         if (av7110->playing == RP_AV) {
1021                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1022                                 if (ret)
1023                                         break;
1024                                 av7110->playing &= ~RP_VIDEO;
1025                         }
1026                         ret = av7110_av_start_play(av7110, RP_VIDEO);
1027                 }
1028                 if (!ret)
1029                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1030                 if (!ret)
1031                         av7110->videostate.play_state = VIDEO_PLAYING;
1032                 break;
1033
1034         case VIDEO_FREEZE:
1035                 av7110->videostate.play_state = VIDEO_FREEZED;
1036                 if (av7110->playing & RP_VIDEO)
1037                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1038                 else
1039                         ret = vidcom(av7110, VIDEO_CMD_FREEZE, 1);
1040                 if (!ret)
1041                         av7110->trickmode = TRICK_FREEZE;
1042                 break;
1043
1044         case VIDEO_CONTINUE:
1045                 if (av7110->playing & RP_VIDEO)
1046                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1047                 if (!ret)
1048                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1049                 if (!ret) {
1050                         av7110->videostate.play_state = VIDEO_PLAYING;
1051                         av7110->trickmode = TRICK_NONE;
1052                 }
1053                 break;
1054
1055         case VIDEO_SELECT_SOURCE:
1056                 av7110->videostate.stream_source = (video_stream_source_t) arg;
1057                 break;
1058
1059         case VIDEO_SET_BLANK:
1060                 av7110->videostate.video_blank = (int) arg;
1061                 break;
1062
1063         case VIDEO_GET_STATUS:
1064                 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1065                 break;
1066
1067         case VIDEO_GET_EVENT:
1068                 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1069                 break;
1070
1071         case VIDEO_GET_SIZE:
1072                 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1073                 break;
1074
1075         case VIDEO_SET_DISPLAY_FORMAT:
1076         {
1077                 video_displayformat_t format = (video_displayformat_t) arg;
1078                 u16 val = 0;
1079
1080                 switch (format) {
1081                 case VIDEO_PAN_SCAN:
1082                         val = VID_PAN_SCAN_PREF;
1083                         break;
1084
1085                 case VIDEO_LETTER_BOX:
1086                         val = VID_VC_AND_PS_PREF;
1087                         break;
1088
1089                 case VIDEO_CENTER_CUT_OUT:
1090                         val = VID_CENTRE_CUT_PREF;
1091                         break;
1092
1093                 default:
1094                         ret = -EINVAL;
1095                 }
1096                 if (ret < 0)
1097                         break;
1098                 av7110->videostate.display_format = format;
1099                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1100                                     1, (u16) val);
1101                 break;
1102         }
1103
1104         case VIDEO_SET_FORMAT:
1105                 if (arg > 1) {
1106                         ret = -EINVAL;
1107                         break;
1108                 }
1109                 av7110->display_ar = arg;
1110                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1111                                     1, (u16) arg);
1112                 break;
1113
1114         case VIDEO_STILLPICTURE:
1115         {
1116                 struct video_still_picture *pic =
1117                         (struct video_still_picture *) parg;
1118                 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1119                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1120                 ret = play_iframe(av7110, pic->iFrame, pic->size,
1121                                   file->f_flags & O_NONBLOCK);
1122                 break;
1123         }
1124
1125         case VIDEO_FAST_FORWARD:
1126                 //note: arg is ignored by firmware
1127                 if (av7110->playing & RP_VIDEO)
1128                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1129                                             __Scan_I, 2, AV_PES, 0);
1130                 else
1131                         ret = vidcom(av7110, VIDEO_CMD_FFWD, arg);
1132                 if (!ret) {
1133                         av7110->trickmode = TRICK_FAST;
1134                         av7110->videostate.play_state = VIDEO_PLAYING;
1135                 }
1136                 break;
1137
1138         case VIDEO_SLOWMOTION:
1139                 if (av7110->playing&RP_VIDEO) {
1140                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1141                         if (!ret)
1142                                 ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
1143                 } else {
1144                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1145                         if (!ret)
1146                                 ret = vidcom(av7110, VIDEO_CMD_STOP, 0);
1147                         if (!ret)
1148                                 ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
1149                 }
1150                 if (!ret) {
1151                         av7110->trickmode = TRICK_SLOW;
1152                         av7110->videostate.play_state = VIDEO_PLAYING;
1153                 }
1154                 break;
1155
1156         case VIDEO_GET_CAPABILITIES:
1157                 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1158                         VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1159                 break;
1160
1161         case VIDEO_CLEAR_BUFFER:
1162                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1163                 av7110_ipack_reset(&av7110->ipack[1]);
1164
1165                 if (av7110->playing == RP_AV) {
1166                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1167                                             __Play, 2, AV_PES, 0);
1168                         if (ret)
1169                                 break;
1170                         if (av7110->trickmode == TRICK_FAST)
1171                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1172                                                     __Scan_I, 2, AV_PES, 0);
1173                         if (av7110->trickmode == TRICK_SLOW) {
1174                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1175                                                     __Slow, 2, 0, 0);
1176                                 if (!ret)
1177                                         ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
1178                         }
1179                         if (av7110->trickmode == TRICK_FREEZE)
1180                                 ret = vidcom(av7110, VIDEO_CMD_STOP, 1);
1181                 }
1182                 break;
1183
1184         case VIDEO_SET_STREAMTYPE:
1185
1186                 break;
1187
1188         default:
1189                 ret = -ENOIOCTLCMD;
1190                 break;
1191         }
1192         return ret;
1193 }
1194
1195 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1196                            unsigned int cmd, void *parg)
1197 {
1198         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1199         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1200         unsigned long arg = (unsigned long) parg;
1201         int ret = 0;
1202
1203         dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1204
1205         if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1206             (cmd != AUDIO_GET_STATUS))
1207                 return -EPERM;
1208
1209         switch (cmd) {
1210         case AUDIO_STOP:
1211                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1212                         ret = av7110_av_stop(av7110, RP_AUDIO);
1213                 else
1214                         ret = audcom(av7110, AUDIO_CMD_MUTE);
1215                 if (!ret)
1216                         av7110->audiostate.play_state = AUDIO_STOPPED;
1217                 break;
1218
1219         case AUDIO_PLAY:
1220                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1221                         ret = av7110_av_start_play(av7110, RP_AUDIO);
1222                 if (!ret)
1223                         ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1224                 if (!ret)
1225                         av7110->audiostate.play_state = AUDIO_PLAYING;
1226                 break;
1227
1228         case AUDIO_PAUSE:
1229                 ret = audcom(av7110, AUDIO_CMD_MUTE);
1230                 if (!ret)
1231                         av7110->audiostate.play_state = AUDIO_PAUSED;
1232                 break;
1233
1234         case AUDIO_CONTINUE:
1235                 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1236                         av7110->audiostate.play_state = AUDIO_PLAYING;
1237                         ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1238                 }
1239                 break;
1240
1241         case AUDIO_SELECT_SOURCE:
1242                 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1243                 break;
1244
1245         case AUDIO_SET_MUTE:
1246         {
1247                 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1248                 if (!ret)
1249                         av7110->audiostate.mute_state = (int) arg;
1250                 break;
1251         }
1252
1253         case AUDIO_SET_AV_SYNC:
1254                 av7110->audiostate.AV_sync_state = (int) arg;
1255                 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1256                 break;
1257
1258         case AUDIO_SET_BYPASS_MODE:
1259                 ret = -EINVAL;
1260                 break;
1261
1262         case AUDIO_CHANNEL_SELECT:
1263                 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1264
1265                 switch(av7110->audiostate.channel_select) {
1266                 case AUDIO_STEREO:
1267                         ret = audcom(av7110, AUDIO_CMD_STEREO);
1268                         if (!ret)
1269                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1270                                         i2c_writereg(av7110, 0x20, 0x02, 0x49);
1271                         break;
1272
1273                 case AUDIO_MONO_LEFT:
1274                         ret = audcom(av7110, AUDIO_CMD_MONO_L);
1275                         if (!ret)
1276                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1277                                         i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1278                         break;
1279
1280                 case AUDIO_MONO_RIGHT:
1281                         ret = audcom(av7110, AUDIO_CMD_MONO_R);
1282                         if (!ret)
1283                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1284                                         i2c_writereg(av7110, 0x20, 0x02, 0x45);
1285                         break;
1286
1287                 default:
1288                         ret = -EINVAL;
1289                         break;
1290                 }
1291                 break;
1292
1293         case AUDIO_GET_STATUS:
1294                 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1295                 break;
1296
1297         case AUDIO_GET_CAPABILITIES:
1298                 *(int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1299                 break;
1300
1301         case AUDIO_CLEAR_BUFFER:
1302                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1303                 av7110_ipack_reset(&av7110->ipack[0]);
1304                 if (av7110->playing == RP_AV)
1305                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1306                                             __Play, 2, AV_PES, 0);
1307                 break;
1308         case AUDIO_SET_ID:
1309
1310                 break;
1311         case AUDIO_SET_MIXER:
1312         {
1313                 struct audio_mixer *amix = (struct audio_mixer *)parg;
1314
1315                 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1316                 break;
1317         }
1318         case AUDIO_SET_STREAMTYPE:
1319                 break;
1320         default:
1321                 ret = -ENOIOCTLCMD;
1322         }
1323         return ret;
1324 }
1325
1326
1327 static int dvb_video_open(struct inode *inode, struct file *file)
1328 {
1329         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1330         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1331         int err;
1332
1333         dprintk(2, "av7110:%p, \n", av7110);
1334
1335         if ((err = dvb_generic_open(inode, file)) < 0)
1336                 return err;
1337
1338         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1339                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1340                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1341                 av7110->video_blank = 1;
1342                 av7110->audiostate.AV_sync_state = 1;
1343                 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1344
1345                 /*  empty event queue */
1346                 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1347         }
1348
1349         return 0;
1350 }
1351
1352 static int dvb_video_release(struct inode *inode, struct file *file)
1353 {
1354         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1355         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1356
1357         dprintk(2, "av7110:%p, \n", av7110);
1358
1359         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1360                 av7110_av_stop(av7110, RP_VIDEO);
1361         }
1362
1363         return dvb_generic_release(inode, file);
1364 }
1365
1366 static int dvb_audio_open(struct inode *inode, struct file *file)
1367 {
1368         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1369         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1370         int err=dvb_generic_open(inode, file);
1371
1372         dprintk(2, "av7110:%p, \n", av7110);
1373
1374         if (err < 0)
1375                 return err;
1376         dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1377         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1378         return 0;
1379 }
1380
1381 static int dvb_audio_release(struct inode *inode, struct file *file)
1382 {
1383         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1384         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1385
1386         dprintk(2, "av7110:%p, \n", av7110);
1387
1388         av7110_av_stop(av7110, RP_AUDIO);
1389         return dvb_generic_release(inode, file);
1390 }
1391
1392
1393
1394 /******************************************************************************
1395  * driver registration
1396  ******************************************************************************/
1397
1398 static struct file_operations dvb_video_fops = {
1399         .owner          = THIS_MODULE,
1400         .write          = dvb_video_write,
1401         .ioctl          = dvb_generic_ioctl,
1402         .open           = dvb_video_open,
1403         .release        = dvb_video_release,
1404         .poll           = dvb_video_poll,
1405 };
1406
1407 static struct dvb_device dvbdev_video = {
1408         .priv           = NULL,
1409         .users          = 6,
1410         .readers        = 5,    /* arbitrary */
1411         .writers        = 1,
1412         .fops           = &dvb_video_fops,
1413         .kernel_ioctl   = dvb_video_ioctl,
1414 };
1415
1416 static struct file_operations dvb_audio_fops = {
1417         .owner          = THIS_MODULE,
1418         .write          = dvb_audio_write,
1419         .ioctl          = dvb_generic_ioctl,
1420         .open           = dvb_audio_open,
1421         .release        = dvb_audio_release,
1422         .poll           = dvb_audio_poll,
1423 };
1424
1425 static struct dvb_device dvbdev_audio = {
1426         .priv           = NULL,
1427         .users          = 1,
1428         .writers        = 1,
1429         .fops           = &dvb_audio_fops,
1430         .kernel_ioctl   = dvb_audio_ioctl,
1431 };
1432
1433
1434 int av7110_av_register(struct av7110 *av7110)
1435 {
1436         av7110->audiostate.AV_sync_state = 0;
1437         av7110->audiostate.mute_state = 0;
1438         av7110->audiostate.play_state = AUDIO_STOPPED;
1439         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1440         av7110->audiostate.channel_select = AUDIO_STEREO;
1441         av7110->audiostate.bypass_mode = 0;
1442
1443         av7110->videostate.video_blank = 0;
1444         av7110->videostate.play_state = VIDEO_STOPPED;
1445         av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1446         av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1447         av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
1448         av7110->display_ar = VIDEO_FORMAT_4_3;
1449
1450         init_waitqueue_head(&av7110->video_events.wait_queue);
1451         spin_lock_init(&av7110->video_events.lock);
1452         av7110->video_events.eventw = av7110->video_events.eventr = 0;
1453         av7110->video_events.overflow = 0;
1454         memset(&av7110->video_size, 0, sizeof (video_size_t));
1455
1456         dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1457                             &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1458
1459         dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1460                             &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1461
1462         return 0;
1463 }
1464
1465 void av7110_av_unregister(struct av7110 *av7110)
1466 {
1467         dvb_unregister_device(av7110->audio_dev);
1468         dvb_unregister_device(av7110->video_dev);
1469 }
1470
1471 int av7110_av_init(struct av7110 *av7110)
1472 {
1473         void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1474         int i, ret;
1475
1476         av7110->vidmode = VIDEO_MODE_PAL;
1477
1478         for (i = 0; i < 2; i++) {
1479                 struct ipack *ipack = av7110->ipack + i;
1480
1481                 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1482                 if (ret < 0) {
1483                         if (i)
1484                                 av7110_ipack_free(--ipack);
1485                         goto out;
1486                 }
1487                 ipack->data = av7110;
1488         }
1489
1490         dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1491         dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1492
1493         av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1494         av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1495 out:
1496         return ret;
1497 }
1498
1499 void av7110_av_exit(struct av7110 *av7110)
1500 {
1501         av7110_ipack_free(&av7110->ipack[0]);
1502         av7110_ipack_free(&av7110->ipack[1]);
1503 }