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