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/delay.h>
  35 #include <linux/smp_lock.h>
  36 #include <linux/fs.h>
  37
  38 #include "av7110.h"
  39 #include "av7110_hw.h"
  40 #include "av7110_av.h"
  41 #include "av7110_ipack.h"
  42
  43 /* MPEG-2 (ISO 13818 / H.222.0) stream types */
  44 #define PROG_STREAM_MAP  0xBC
  45 #define PRIVATE_STREAM1  0xBD
  46 #define PADDING_STREAM   0xBE
  47 #define PRIVATE_STREAM2  0xBF
  48 #define AUDIO_STREAM_S   0xC0
  49 #define AUDIO_STREAM_E   0xDF
  50 #define VIDEO_STREAM_S   0xE0
  51 #define VIDEO_STREAM_E   0xEF
  52 #define ECM_STREAM       0xF0
  53 #define EMM_STREAM       0xF1
  54 #define DSM_CC_STREAM    0xF2
  55 #define ISO13522_STREAM  0xF3
  56 #define PROG_STREAM_DIR  0xFF
  57
  58 #define PTS_DTS_FLAGS    0xC0
  59
  60 //pts_dts flags
  61 #define PTS_ONLY         0x80
  62 #define PTS_DTS          0xC0
  63 #define TS_SIZE          188
  64 #define TRANS_ERROR      0x80
  65 #define PAY_START        0x40
  66 #define TRANS_PRIO       0x20
  67 #define PID_MASK_HI      0x1F
  68 //flags
  69 #define TRANS_SCRMBL1    0x80
  70 #define TRANS_SCRMBL2    0x40
  71 #define ADAPT_FIELD      0x20
  72 #define PAYLOAD          0x10
  73 #define COUNT_MASK       0x0F
  74
  75 // adaptation flags
  76 #define DISCON_IND       0x80
  77 #define RAND_ACC_IND     0x40
  78 #define ES_PRI_IND       0x20
  79 #define PCR_FLAG         0x10
  80 #define OPCR_FLAG        0x08
  81 #define SPLICE_FLAG      0x04
  82 #define TRANS_PRIV       0x02
  83 #define ADAP_EXT_FLAG    0x01
  84
  85 // adaptation extension flags
  86 #define LTW_FLAG         0x80
  87 #define PIECE_RATE       0x40
  88 #define SEAM_SPLICE      0x20
  89
  90
  91 static void p_to_t(u8 const *buf, long int length, u16 pid,
  92                    u8 *counter, struct dvb_demux_feed *feed);
  93
  94
  95 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
  96 {
  97         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
  98
  99         if (!(dvbdmxfeed->ts_type & TS_PACKET))
 100                 return 0;
 101         if (buf[3] == 0xe0)      // video PES do not have a length in TS
 102                 buf[4] = buf[5] = 0;
 103         if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
 104                 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
 105                                          &dvbdmxfeed->feed.ts, DMX_OK);
 106         else
 107                 return dvb_filter_pes2ts(p2t, buf, len, 1);
 108 }
 109
 110 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
 111 {
 112         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
 113
 114         dvbdmxfeed->cb.ts(data, 188, NULL, 0,
 115                           &dvbdmxfeed->feed.ts, DMX_OK);
 116         return 0;
 117 }
 118
 119 int av7110_av_start_record(struct av7110 *av7110, int av,
 120                            struct dvb_demux_feed *dvbdmxfeed)
 121 {
 122         int ret = 0;
 123         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 124
 125         dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
 126
 127         if (av7110->playing || (av7110->rec_mode & av))
 128                 return -EBUSY;
 129         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 130         dvbdmx->recording = 1;
 131         av7110->rec_mode |= av;
 132
 133         switch (av7110->rec_mode) {
 134         case RP_AUDIO:
 135                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 136                                        dvbdmx->pesfilter[0]->pid,
 137                                        dvb_filter_pes2ts_cb,
 138                                        (void *) dvbdmx->pesfilter[0]);
 139                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 140                 break;
 141
 142         case RP_VIDEO:
 143                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 144                                        dvbdmx->pesfilter[1]->pid,
 145                                        dvb_filter_pes2ts_cb,
 146                                        (void *) dvbdmx->pesfilter[1]);
 147                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 148                 break;
 149
 150         case RP_AV:
 151                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 152                                        dvbdmx->pesfilter[0]->pid,
 153                                        dvb_filter_pes2ts_cb,
 154                                        (void *) dvbdmx->pesfilter[0]);
 155                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 156                                        dvbdmx->pesfilter[1]->pid,
 157                                        dvb_filter_pes2ts_cb,
 158                                        (void *) dvbdmx->pesfilter[1]);
 159                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
 160                 break;
 161         }
 162         return ret;
 163 }
 164
 165 int av7110_av_start_play(struct av7110 *av7110, int av)
 166 {
 167         int ret = 0;
 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                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 186                 break;
 187         case RP_VIDEO:
 188                 ret = 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                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
 194                 break;
 195         }
 196         if (!ret)
 197                 ret = av7110->playing;
 198         return ret;
 199 }
 200
 201 int av7110_av_stop(struct av7110 *av7110, int av)
 202 {
 203         int ret = 0;
 204         dprintk(2, "av7110:%p, \n", av7110);
 205
 206         if (!(av7110->playing & av) && !(av7110->rec_mode & av))
 207                 return 0;
 208         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 209         if (av7110->playing) {
 210                 av7110->playing &= ~av;
 211                 switch (av7110->playing) {
 212                 case RP_AUDIO:
 213                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 214                         break;
 215                 case RP_VIDEO:
 216                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 217                         break;
 218                 case RP_NONE:
 219                         ret = av7110_set_vidmode(av7110, av7110->vidmode);
 220                         break;
 221                 }
 222         } else {
 223                 av7110->rec_mode &= ~av;
 224                 switch (av7110->rec_mode) {
 225                 case RP_AUDIO:
 226                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 227                         break;
 228                 case RP_VIDEO:
 229                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 230                         break;
 231                 case RP_NONE:
 232                         break;
 233                 }
 234         }
 235         return ret;
 236 }
 237
 238
 239 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
 240 {
 241         int len;
 242         u32 sync;
 243         u16 blen;
 244
 245         if (!dlen) {
 246                 wake_up(&buf->queue);
 247                 return -1;
 248         }
 249         while (1) {
 250                 if ((len = dvb_ringbuffer_avail(buf)) < 6)
 251                         return -1;
 252                 sync =  DVB_RINGBUFFER_PEEK(buf, 0) << 24;
 253                 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
 254                 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
 255                 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
 256
 257                 if (((sync &~ 0x0f) == 0x000001e0) ||
 258                     ((sync &~ 0x1f) == 0x000001c0) ||
 259                     (sync == 0x000001bd))
 260                         break;
 261                 printk("resync\n");
 262                 DVB_RINGBUFFER_SKIP(buf, 1);
 263         }
 264         blen =  DVB_RINGBUFFER_PEEK(buf, 4) << 8;
 265         blen |= DVB_RINGBUFFER_PEEK(buf, 5);
 266         blen += 6;
 267         if (len < blen || blen > dlen) {
 268                 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
 269                 wake_up(&buf->queue);
 270                 return -1;
 271         }
 272
 273         dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
 274
 275         dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
 276                (unsigned long) buf->pread, (unsigned long) buf->pwrite);
 277         wake_up(&buf->queue);
 278         return blen;
 279 }
 280
 281
 282 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
 283 {
 284         int err, vol, val, balance = 0;
 285
 286         dprintk(2, "av7110:%p, \n", av7110);
 287
 288         av7110->mixer.volume_left = volleft;
 289         av7110->mixer.volume_right = volright;
 290
 291         switch (av7110->adac_type) {
 292         case DVB_ADAC_TI:
 293                 volleft = (volleft * 256) / 1036;
 294                 volright = (volright * 256) / 1036;
 295                 if (volleft > 0x3f)
 296                         volleft = 0x3f;
 297                 if (volright > 0x3f)
 298                         volright = 0x3f;
 299                 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
 300                         return err;
 301                 return SendDAC(av7110, 4, volright);
 302
 303         case DVB_ADAC_CRYSTAL:
 304                 volleft = 127 - volleft / 2;
 305                 volright = 127 - volright / 2;
 306                 i2c_writereg(av7110, 0x20, 0x03, volleft);
 307                 i2c_writereg(av7110, 0x20, 0x04, volright);
 308                 return 0;
 309
 310         case DVB_ADAC_MSP34x0:
 311                 vol  = (volleft > volright) ? volleft : volright;
 312                 val     = (vol * 0x73 / 255) << 8;
 313                 if (vol > 0)
 314                        balance = ((volright - volleft) * 127) / vol;
 315                 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 316                 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 317                 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
 318                 return 0;
 319
 320         case DVB_ADAC_MSP34x5:
 321                 vol = (volleft > volright) ? volleft : volright;
 322                 val = (vol * 0x73 / 255) << 8;
 323                 if (vol > 0)
 324                         balance = ((volright - volleft) * 127) / vol;
 325                 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 326                 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 327                 return 0;
 328         }
 329
 330         return 0;
 331 }
 332
 333 int av7110_set_vidmode(struct av7110 *av7110, int mode)
 334 {
 335         int ret;
 336         dprintk(2, "av7110:%p, \n", av7110);
 337
 338         ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
 339
 340         if (!ret && !av7110->playing) {
 341                 ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
 342                            av7110->pids[DMX_PES_AUDIO],
 343                            av7110->pids[DMX_PES_TELETEXT],
 344                            0, av7110->pids[DMX_PES_PCR]);
 345                 if (!ret)
 346                         ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
 347         }
 348         return ret;
 349 }
 350
 351
 352 static int sw2mode[16] = {
 353         VIDEO_MODE_PAL, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL,
 354         VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL, VIDEO_MODE_NTSC,
 355         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 356         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 357 };
 358
 359 static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
 360 {
 361         int i;
 362         int hsize, vsize;
 363         int sw;
 364         u8 *p;
 365         int ret = 0;
 366
 367         dprintk(2, "av7110:%p, \n", av7110);
 368
 369         if (av7110->sinfo)
 370                 return 0;
 371         for (i = 7; i < count - 10; i++) {
 372                 p = buf + i;
 373                 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
 374                         continue;
 375                 p += 4;
 376                 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
 377                 vsize = ((p[1] &0x0F) << 8) | (p[2]);
 378                 sw = (p[3] & 0x0F);
 379                 ret = av7110_set_vidmode(av7110, sw2mode[sw]);
 380                 if (!ret) {
 381                         dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
 382                         av7110->sinfo = 1;
 383                 }
 384                 break;
 385         }
 386         return ret;
 387 }
 388
 389
 390 /****************************************************************************
 391  * I/O buffer management and control
 392  ****************************************************************************/
 393
 394 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
 395                                          const char *buf, unsigned long count)
 396 {
 397         unsigned long todo = count;
 398         int free;
 399
 400         while (todo > 0) {
 401                 if (dvb_ringbuffer_free(rbuf) < 2048) {
 402                         if (wait_event_interruptible(rbuf->queue,
 403                                                      (dvb_ringbuffer_free(rbuf) >= 2048)))
 404                                 return count - todo;
 405                 }
 406                 free = dvb_ringbuffer_free(rbuf);
 407                 if (free > todo)
 408                         free = todo;
 409                 dvb_ringbuffer_write(rbuf, buf, free);
 410                 todo -= free;
 411                 buf += free;
 412         }
 413
 414         return count - todo;
 415 }
 416
 417 static void play_video_cb(u8 *buf, int count, void *priv)
 418 {
 419         struct av7110 *av7110 = (struct av7110 *) priv;
 420         dprintk(2, "av7110:%p, \n", av7110);
 421
 422         if ((buf[3] & 0xe0) == 0xe0) {
 423                 get_video_format(av7110, buf, count);
 424                 aux_ring_buffer_write(&av7110->avout, buf, count);
 425         } else
 426                 aux_ring_buffer_write(&av7110->aout, buf, count);
 427 }
 428
 429 static void play_audio_cb(u8 *buf, int count, void *priv)
 430 {
 431         struct av7110 *av7110 = (struct av7110 *) priv;
 432         dprintk(2, "av7110:%p, \n", av7110);
 433
 434         aux_ring_buffer_write(&av7110->aout, buf, count);
 435 }
 436
 437 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
 438                    dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 439
 440 static ssize_t dvb_play(struct av7110 *av7110, const u8 __user *buf,
 441                         unsigned long count, int nonblock, int type)
 442 {
 443         unsigned long todo = count, n;
 444         dprintk(2, "av7110:%p, \n", av7110);
 445
 446         if (!av7110->kbuf[type])
 447                 return -ENOBUFS;
 448
 449         if (nonblock && !FREE_COND)
 450                 return -EWOULDBLOCK;
 451
 452         while (todo > 0) {
 453                 if (!FREE_COND) {
 454                         if (nonblock)
 455                                 return count - todo;
 456                         if (wait_event_interruptible(av7110->avout.queue,
 457                                                      FREE_COND))
 458                                 return count - todo;
 459                 }
 460                 n = todo;
 461                 if (n > IPACKS * 2)
 462                         n = IPACKS * 2;
 463                 if (copy_from_user(av7110->kbuf[type], buf, n))
 464                         return -EFAULT;
 465                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 466                                             &av7110->ipack[type]);
 467                 todo -= n;
 468                 buf += n;
 469         }
 470         return count - todo;
 471 }
 472
 473 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
 474                         unsigned long count, int nonblock, int type)
 475 {
 476         unsigned long todo = count, n;
 477         dprintk(2, "av7110:%p, \n", av7110);
 478
 479         if (!av7110->kbuf[type])
 480                 return -ENOBUFS;
 481
 482         if (nonblock && !FREE_COND)
 483                 return -EWOULDBLOCK;
 484
 485         while (todo > 0) {
 486                 if (!FREE_COND) {
 487                         if (nonblock)
 488                                 return count - todo;
 489                         if (wait_event_interruptible(av7110->avout.queue,
 490                                                      FREE_COND))
 491                                 return count - todo;
 492                 }
 493                 n = todo;
 494                 if (n > IPACKS * 2)
 495                         n = IPACKS * 2;
 496                 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
 497                 todo -= n;
 498                 buf += n;
 499         }
 500         return count - todo;
 501 }
 502
 503 static ssize_t dvb_aplay(struct av7110 *av7110, const u8 __user *buf,
 504                          unsigned long count, int nonblock, int type)
 505 {
 506         unsigned long todo = count, n;
 507         dprintk(2, "av7110:%p, \n", av7110);
 508
 509         if (!av7110->kbuf[type])
 510                 return -ENOBUFS;
 511         if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
 512                 return -EWOULDBLOCK;
 513
 514         while (todo > 0) {
 515                 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
 516                         if (nonblock)
 517                                 return count - todo;
 518                         if (wait_event_interruptible(av7110->aout.queue,
 519                                         (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
 520                                 return count-todo;
 521                 }
 522                 n = todo;
 523                 if (n > IPACKS * 2)
 524                         n = IPACKS * 2;
 525                 if (copy_from_user(av7110->kbuf[type], buf, n))
 526                         return -EFAULT;
 527                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 528                                             &av7110->ipack[type]);
 529                 todo -= n;
 530                 buf += n;
 531         }
 532         return count - todo;
 533 }
 534
 535 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
 536 {
 537         memset(p->pes, 0, TS_SIZE);
 538         p->counter = 0;
 539         p->pos = 0;
 540         p->frags = 0;
 541         if (feed)
 542                 p->feed = feed;
 543 }
 544
 545 static void clear_p2t(struct av7110_p2t *p)
 546 {
 547         memset(p->pes, 0, TS_SIZE);
 548 //      p->counter = 0;
 549         p->pos = 0;
 550         p->frags = 0;
 551 }
 552
 553
 554 static int find_pes_header(u8 const *buf, long int length, int *frags)
 555 {
 556         int c = 0;
 557         int found = 0;
 558
 559         *frags = 0;
 560
 561         while (c < length - 3 && !found) {
 562                 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
 563                     buf[c + 2] == 0x01) {
 564                         switch ( buf[c + 3] ) {
 565                         case PROG_STREAM_MAP:
 566                         case PRIVATE_STREAM2:
 567                         case PROG_STREAM_DIR:
 568                         case ECM_STREAM     :
 569                         case EMM_STREAM     :
 570                         case PADDING_STREAM :
 571                         case DSM_CC_STREAM  :
 572                         case ISO13522_STREAM:
 573                         case PRIVATE_STREAM1:
 574                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 575                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 576                                 found = 1;
 577                                 break;
 578
 579                         default:
 580                                 c++;
 581                                 break;
 582                         }
 583                 } else
 584                         c++;
 585         }
 586         if (c == length - 3 && !found) {
 587                 if (buf[length - 1] == 0x00)
 588                         *frags = 1;
 589                 if (buf[length - 2] == 0x00 &&
 590                     buf[length - 1] == 0x00)
 591                         *frags = 2;
 592                 if (buf[length - 3] == 0x00 &&
 593                     buf[length - 2] == 0x00 &&
 594                     buf[length - 1] == 0x01)
 595                         *frags = 3;
 596                 return -1;
 597         }
 598
 599         return c;
 600 }
 601
 602 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
 603 {
 604         int c, c2, l, add;
 605         int check, rest;
 606
 607         c = 0;
 608         c2 = 0;
 609         if (p->frags){
 610                 check = 0;
 611                 switch(p->frags) {
 612                 case 1:
 613                         if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
 614                                 check = 1;
 615                                 c += 2;
 616                         }
 617                         break;
 618                 case 2:
 619                         if (buf[c] == 0x01) {
 620                                 check = 1;
 621                                 c++;
 622                         }
 623                         break;
 624                 case 3:
 625                         check = 1;
 626                 }
 627                 if (check) {
 628                         switch (buf[c]) {
 629                         case PROG_STREAM_MAP:
 630                         case PRIVATE_STREAM2:
 631                         case PROG_STREAM_DIR:
 632                         case ECM_STREAM     :
 633                         case EMM_STREAM     :
 634                         case PADDING_STREAM :
 635                         case DSM_CC_STREAM  :
 636                         case ISO13522_STREAM:
 637                         case PRIVATE_STREAM1:
 638                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 639                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 640                                 p->pes[0] = 0x00;
 641                                 p->pes[1] = 0x00;
 642                                 p->pes[2] = 0x01;
 643                                 p->pes[3] = buf[c];
 644                                 p->pos = 4;
 645                                 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
 646                                 c += (TS_SIZE - 4) - p->pos;
 647                                 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
 648                                 clear_p2t(p);
 649                                 break;
 650
 651                         default:
 652                                 c = 0;
 653                                 break;
 654                         }
 655                 }
 656                 p->frags = 0;
 657         }
 658
 659         if (p->pos) {
 660                 c2 = find_pes_header(buf + c, length - c, &p->frags);
 661                 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
 662                         l = c2+c;
 663                 else
 664                         l = (TS_SIZE - 4) - p->pos;
 665                 memcpy(p->pes + p->pos, buf, l);
 666                 c += l;
 667                 p->pos += l;
 668                 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
 669                 clear_p2t(p);
 670         }
 671
 672         add = 0;
 673         while (c < length) {
 674                 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
 675                 if (c2 >= 0) {
 676                         c2 += c + add;
 677                         if (c2 > c){
 678                                 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
 679                                 c = c2;
 680                                 clear_p2t(p);
 681                                 add = 0;
 682                         } else
 683                                 add = 1;
 684                 } else {
 685                         l = length - c;
 686                         rest = l % (TS_SIZE - 4);
 687                         l -= rest;
 688                         p_to_t(buf + c, l, pid, &p->counter, p->feed);
 689                         memcpy(p->pes, buf + c + l, rest);
 690                         p->pos = rest;
 691                         c = length;
 692                 }
 693         }
 694 }
 695
 696
 697 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
 698 {
 699         int i;
 700         int c = 0;
 701         int fill;
 702         u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
 703
 704         fill = (TS_SIZE - 4) - length;
 705         if (pes_start)
 706                 tshead[1] = 0x40;
 707         if (fill)
 708                 tshead[3] = 0x30;
 709         tshead[1] |= (u8)((pid & 0x1F00) >> 8);
 710         tshead[2] |= (u8)(pid & 0x00FF);
 711         tshead[3] |= ((*counter)++ & 0x0F);
 712         memcpy(buf, tshead, 4);
 713         c += 4;
 714
 715         if (fill) {
 716                 buf[4] = fill - 1;
 717                 c++;
 718                 if (fill > 1) {
 719                         buf[5] = 0x00;
 720                         c++;
 721                 }
 722                 for (i = 6; i < fill + 4; i++) {
 723                         buf[i] = 0xFF;
 724                         c++;
 725                 }
 726         }
 727
 728         return c;
 729 }
 730
 731
 732 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 733                    struct dvb_demux_feed *feed)
 734 {
 735         int l, pes_start;
 736         u8 obuf[TS_SIZE];
 737         long c = 0;
 738
 739         pes_start = 0;
 740         if (length > 3 &&
 741              buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
 742                 switch (buf[3]) {
 743                         case PROG_STREAM_MAP:
 744                         case PRIVATE_STREAM2:
 745                         case PROG_STREAM_DIR:
 746                         case ECM_STREAM     :
 747                         case EMM_STREAM     :
 748                         case PADDING_STREAM :
 749                         case DSM_CC_STREAM  :
 750                         case ISO13522_STREAM:
 751                         case PRIVATE_STREAM1:
 752                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 753                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 754                                 pes_start = 1;
 755                                 break;
 756
 757                         default:
 758                                 break;
 759                 }
 760
 761         while (c < length) {
 762                 memset(obuf, 0, TS_SIZE);
 763                 if (length - c >= (TS_SIZE - 4)){
 764                         l = write_ts_header2(pid, counter, pes_start,
 765                                              obuf, (TS_SIZE - 4));
 766                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 767                         c += TS_SIZE - l;
 768                 } else {
 769                         l = write_ts_header2(pid, counter, pes_start,
 770                                              obuf, length - c);
 771                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 772                         c = length;
 773                 }
 774                 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
 775                 pes_start = 0;
 776         }
 777 }
 778
 779
 780 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
 781 {
 782         struct dvb_demux *demux = feed->demux;
 783         struct av7110 *av7110 = (struct av7110 *) demux->priv;
 784         struct ipack *ipack = &av7110->ipack[feed->pes_type];
 785
 786         dprintk(2, "av7110:%p, \n", av7110);
 787
 788         switch (feed->pes_type) {
 789         case 0:
 790                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 791                         return -EINVAL;
 792                 break;
 793         case 1:
 794                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 795                         return -EINVAL;
 796                 break;
 797         default:
 798                 return -1;
 799         }
 800
 801         if (!(buf[3] & 0x10)) /* no payload? */
 802                 return -1;
 803         if (buf[1] & 0x40)
 804                 av7110_ipack_flush(ipack);
 805
 806         if (buf[3] & 0x20) {  /* adaptation field? */
 807                 len -= buf[4] + 1;
 808                 buf += buf[4] + 1;
 809                 if (!len)
 810                         return 0;
 811         }
 812
 813         av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
 814         return 0;
 815 }
 816
 817
 818
 819 /******************************************************************************
 820  * Video MPEG decoder events
 821  ******************************************************************************/
 822 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
 823 {
 824         struct dvb_video_events *events = &av7110->video_events;
 825         int wp;
 826
 827         spin_lock_bh(&events->lock);
 828
 829         wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
 830         if (wp == events->eventr) {
 831                 events->overflow = 1;
 832                 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 833         }
 834
 835         //FIXME: timestamp?
 836         memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
 837         events->eventw = wp;
 838
 839         spin_unlock_bh(&events->lock);
 840
 841         wake_up_interruptible(&events->wait_queue);
 842 }
 843
 844
 845 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
 846 {
 847         struct dvb_video_events *events = &av7110->video_events;
 848
 849         if (events->overflow) {
 850                 events->overflow = 0;
 851                 return -EOVERFLOW;
 852         }
 853         if (events->eventw == events->eventr) {
 854                 int ret;
 855
 856                 if (flags & O_NONBLOCK)
 857                         return -EWOULDBLOCK;
 858
 859                 ret = wait_event_interruptible(events->wait_queue,
 860                                                events->eventw != events->eventr);
 861                 if (ret < 0)
 862                         return ret;
 863         }
 864
 865         spin_lock_bh(&events->lock);
 866
 867         memcpy(event, &events->events[events->eventr],
 868                sizeof(struct video_event));
 869         events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 870
 871         spin_unlock_bh(&events->lock);
 872
 873         return 0;
 874 }
 875
 876
 877 /******************************************************************************
 878  * DVB device file operations
 879  ******************************************************************************/
 880
 881 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
 882 {
 883         struct dvb_device *dvbdev = file->private_data;
 884         struct av7110 *av7110 = dvbdev->priv;
 885         unsigned int mask = 0;
 886
 887         dprintk(2, "av7110:%p, \n", av7110);
 888
 889         if ((file->f_flags & O_ACCMODE) != O_RDONLY)
 890                 poll_wait(file, &av7110->avout.queue, wait);
 891
 892         poll_wait(file, &av7110->video_events.wait_queue, wait);
 893
 894         if (av7110->video_events.eventw != av7110->video_events.eventr)
 895                 mask = POLLPRI;
 896
 897         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 898                 if (av7110->playing) {
 899                         if (FREE_COND)
 900                                 mask |= (POLLOUT | POLLWRNORM);
 901                         } else /* if not playing: may play if asked for */
 902                                 mask |= (POLLOUT | POLLWRNORM);
 903         }
 904
 905         return mask;
 906 }
 907
 908 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
 909                                size_t count, loff_t *ppos)
 910 {
 911         struct dvb_device *dvbdev = file->private_data;
 912         struct av7110 *av7110 = dvbdev->priv;
 913
 914         dprintk(2, "av7110:%p, \n", av7110);
 915
 916         if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 917                 return -EPERM;
 918
 919         if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
 920                 return -EPERM;
 921
 922         return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
 923 }
 924
 925 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
 926 {
 927         struct dvb_device *dvbdev = file->private_data;
 928         struct av7110 *av7110 = dvbdev->priv;
 929         unsigned int mask = 0;
 930
 931         dprintk(2, "av7110:%p, \n", av7110);
 932
 933         poll_wait(file, &av7110->aout.queue, wait);
 934
 935         if (av7110->playing) {
 936                 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 937                         mask |= (POLLOUT | POLLWRNORM);
 938         } else /* if not playing: may play if asked for */
 939                 mask = (POLLOUT | POLLWRNORM);
 940
 941         return mask;
 942 }
 943
 944 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
 945                                size_t count, loff_t *ppos)
 946 {
 947         struct dvb_device *dvbdev = file->private_data;
 948         struct av7110 *av7110 = dvbdev->priv;
 949
 950         dprintk(2, "av7110:%p, \n", av7110);
 951
 952         if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
 953                 printk(KERN_ERR "not audio source memory\n");
 954                 return -EPERM;
 955         }
 956         return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
 957 }
 958
 959 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
 960
 961 #define MIN_IFRAME 400000
 962
 963 static int play_iframe(struct av7110 *av7110, u8 __user *buf, unsigned int len, int nonblock)
 964 {
 965         int i, n;
 966
 967         dprintk(2, "av7110:%p, \n", av7110);
 968
 969         if (!(av7110->playing & RP_VIDEO)) {
 970                 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
 971                         return -EBUSY;
 972         }
 973
 974         /* setting n always > 1, fixes problems when playing stillframes
 975            consisting of I- and P-Frames */
 976         n = MIN_IFRAME / len + 1;
 977
 978         /* FIXME: nonblock? */
 979         dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
 980
 981         for (i = 0; i < n; i++)
 982                 dvb_play(av7110, buf, len, 0, 1);
 983
 984         av7110_ipack_flush(&av7110->ipack[1]);
 985         return 0;
 986 }
 987
 988
 989 static int dvb_video_ioctl(struct inode *inode, struct file *file,
 990                            unsigned int cmd, void *parg)
 991 {
 992         struct dvb_device *dvbdev = file->private_data;
 993         struct av7110 *av7110 = dvbdev->priv;
 994         unsigned long arg = (unsigned long) parg;
 995         int ret = 0;
 996
 997         dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
 998
 999         if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
1000                 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
1001                      cmd != VIDEO_GET_SIZE ) {
1002                         return -EPERM;
1003                 }
1004         }
1005
1006         switch (cmd) {
1007         case VIDEO_STOP:
1008                 av7110->videostate.play_state = VIDEO_STOPPED;
1009                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1010                         ret = av7110_av_stop(av7110, RP_VIDEO);
1011                 else
1012                         ret = vidcom(av7110, AV_VIDEO_CMD_STOP,
1013                                av7110->videostate.video_blank ? 0 : 1);
1014                 if (!ret)
1015                         av7110->trickmode = TRICK_NONE;
1016                 break;
1017
1018         case VIDEO_PLAY:
1019                 av7110->trickmode = TRICK_NONE;
1020                 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1021                         av7110->videostate.play_state = VIDEO_PLAYING;
1022                         ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1023                         if (ret)
1024                                 break;
1025                 }
1026
1027                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1028                         if (av7110->playing == RP_AV) {
1029                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1030                                 if (ret)
1031                                         break;
1032                                 av7110->playing &= ~RP_VIDEO;
1033                         }
1034                         ret = av7110_av_start_play(av7110, RP_VIDEO);
1035                 }
1036                 if (!ret)
1037                         ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1038                 if (!ret)
1039                         av7110->videostate.play_state = VIDEO_PLAYING;
1040                 break;
1041
1042         case VIDEO_FREEZE:
1043                 av7110->videostate.play_state = VIDEO_FREEZED;
1044                 if (av7110->playing & RP_VIDEO)
1045                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1046                 else
1047                         ret = vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1);
1048                 if (!ret)
1049                         av7110->trickmode = TRICK_FREEZE;
1050                 break;
1051
1052         case VIDEO_CONTINUE:
1053                 if (av7110->playing & RP_VIDEO)
1054                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1055                 if (!ret)
1056                         ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1057                 if (!ret) {
1058                         av7110->videostate.play_state = VIDEO_PLAYING;
1059                         av7110->trickmode = TRICK_NONE;
1060                 }
1061                 break;
1062
1063         case VIDEO_SELECT_SOURCE:
1064                 av7110->videostate.stream_source = (video_stream_source_t) arg;
1065                 break;
1066
1067         case VIDEO_SET_BLANK:
1068                 av7110->videostate.video_blank = (int) arg;
1069                 break;
1070
1071         case VIDEO_GET_STATUS:
1072                 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1073                 break;
1074
1075         case VIDEO_GET_EVENT:
1076                 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1077                 break;
1078
1079         case VIDEO_GET_SIZE:
1080                 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1081                 break;
1082
1083         case VIDEO_SET_DISPLAY_FORMAT:
1084         {
1085                 video_displayformat_t format = (video_displayformat_t) arg;
1086                 u16 val = 0;
1087
1088                 switch (format) {
1089                 case VIDEO_PAN_SCAN:
1090                         val = VID_PAN_SCAN_PREF;
1091                         break;
1092
1093                 case VIDEO_LETTER_BOX:
1094                         val = VID_VC_AND_PS_PREF;
1095                         break;
1096
1097                 case VIDEO_CENTER_CUT_OUT:
1098                         val = VID_CENTRE_CUT_PREF;
1099                         break;
1100
1101                 default:
1102                         ret = -EINVAL;
1103                 }
1104                 if (ret < 0)
1105                         break;
1106                 av7110->videostate.display_format = format;
1107                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1108                                     1, (u16) val);
1109                 break;
1110         }
1111
1112         case VIDEO_SET_FORMAT:
1113                 if (arg > 1) {
1114                         ret = -EINVAL;
1115                         break;
1116                 }
1117                 av7110->display_ar = arg;
1118                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1119                                     1, (u16) arg);
1120                 break;
1121
1122         case VIDEO_STILLPICTURE:
1123         {
1124                 struct video_still_picture *pic =
1125                         (struct video_still_picture *) parg;
1126                 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1127                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1128                 ret = play_iframe(av7110, pic->iFrame, pic->size,
1129                                   file->f_flags & O_NONBLOCK);
1130                 break;
1131         }
1132
1133         case VIDEO_FAST_FORWARD:
1134                 //note: arg is ignored by firmware
1135                 if (av7110->playing & RP_VIDEO)
1136                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1137                                             __Scan_I, 2, AV_PES, 0);
1138                 else
1139                         ret = vidcom(av7110, AV_VIDEO_CMD_FFWD, arg);
1140                 if (!ret) {
1141                         av7110->trickmode = TRICK_FAST;
1142                         av7110->videostate.play_state = VIDEO_PLAYING;
1143                 }
1144                 break;
1145
1146         case VIDEO_SLOWMOTION:
1147                 if (av7110->playing&RP_VIDEO) {
1148                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1149                         if (!ret)
1150                                 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1151                 } else {
1152                         ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0);
1153                         if (!ret)
1154                                 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0);
1155                         if (!ret)
1156                                 ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1157                 }
1158                 if (!ret) {
1159                         av7110->trickmode = TRICK_SLOW;
1160                         av7110->videostate.play_state = VIDEO_PLAYING;
1161                 }
1162                 break;
1163
1164         case VIDEO_GET_CAPABILITIES:
1165                 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1166                         VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1167                 break;
1168
1169         case VIDEO_CLEAR_BUFFER:
1170                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1171                 av7110_ipack_reset(&av7110->ipack[1]);
1172
1173                 if (av7110->playing == RP_AV) {
1174                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1175                                             __Play, 2, AV_PES, 0);
1176                         if (ret)
1177                                 break;
1178                         if (av7110->trickmode == TRICK_FAST)
1179                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1180                                                     __Scan_I, 2, AV_PES, 0);
1181                         if (av7110->trickmode == TRICK_SLOW) {
1182                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1183                                                     __Slow, 2, 0, 0);
1184                                 if (!ret)
1185                                         ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg);
1186                         }
1187                         if (av7110->trickmode == TRICK_FREEZE)
1188                                 ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1);
1189                 }
1190                 break;
1191
1192         case VIDEO_SET_STREAMTYPE:
1193
1194                 break;
1195
1196         default:
1197                 ret = -ENOIOCTLCMD;
1198                 break;
1199         }
1200         return ret;
1201 }
1202
1203 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1204                            unsigned int cmd, void *parg)
1205 {
1206         struct dvb_device *dvbdev = file->private_data;
1207         struct av7110 *av7110 = dvbdev->priv;
1208         unsigned long arg = (unsigned long) parg;
1209         int ret = 0;
1210
1211         dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1212
1213         if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1214             (cmd != AUDIO_GET_STATUS))
1215                 return -EPERM;
1216
1217         switch (cmd) {
1218         case AUDIO_STOP:
1219                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1220                         ret = av7110_av_stop(av7110, RP_AUDIO);
1221                 else
1222                         ret = audcom(av7110, AUDIO_CMD_MUTE);
1223                 if (!ret)
1224                         av7110->audiostate.play_state = AUDIO_STOPPED;
1225                 break;
1226
1227         case AUDIO_PLAY:
1228                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1229                         ret = av7110_av_start_play(av7110, RP_AUDIO);
1230                 if (!ret)
1231                         ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1232                 if (!ret)
1233                         av7110->audiostate.play_state = AUDIO_PLAYING;
1234                 break;
1235
1236         case AUDIO_PAUSE:
1237                 ret = audcom(av7110, AUDIO_CMD_MUTE);
1238                 if (!ret)
1239                         av7110->audiostate.play_state = AUDIO_PAUSED;
1240                 break;
1241
1242         case AUDIO_CONTINUE:
1243                 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1244                         av7110->audiostate.play_state = AUDIO_PLAYING;
1245                         ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1246                 }
1247                 break;
1248
1249         case AUDIO_SELECT_SOURCE:
1250                 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1251                 break;
1252
1253         case AUDIO_SET_MUTE:
1254         {
1255                 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1256                 if (!ret)
1257                         av7110->audiostate.mute_state = (int) arg;
1258                 break;
1259         }
1260
1261         case AUDIO_SET_AV_SYNC:
1262                 av7110->audiostate.AV_sync_state = (int) arg;
1263                 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1264                 break;
1265
1266         case AUDIO_SET_BYPASS_MODE:
1267                 if (FW_VERSION(av7110->arm_app) < 0x2621)
1268                         ret = -EINVAL;
1269                 av7110->audiostate.bypass_mode = (int)arg;
1270                 break;
1271
1272         case AUDIO_CHANNEL_SELECT:
1273                 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1274
1275                 switch(av7110->audiostate.channel_select) {
1276                 case AUDIO_STEREO:
1277                         ret = audcom(av7110, AUDIO_CMD_STEREO);
1278                         if (!ret) {
1279                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1280                                         i2c_writereg(av7110, 0x20, 0x02, 0x49);
1281                                 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1282                                         msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
1283                         }
1284                         break;
1285
1286                 case AUDIO_MONO_LEFT:
1287                         ret = audcom(av7110, AUDIO_CMD_MONO_L);
1288                         if (!ret) {
1289                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1290                                         i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1291                                 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1292                                         msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
1293                         }
1294                         break;
1295
1296                 case AUDIO_MONO_RIGHT:
1297                         ret = audcom(av7110, AUDIO_CMD_MONO_R);
1298                         if (!ret) {
1299                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1300                                         i2c_writereg(av7110, 0x20, 0x02, 0x45);
1301                                 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1302                                         msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
1303                         }
1304                         break;
1305
1306                 default:
1307                         ret = -EINVAL;
1308                         break;
1309                 }
1310                 break;
1311
1312         case AUDIO_GET_STATUS:
1313                 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1314                 break;
1315
1316         case AUDIO_GET_CAPABILITIES:
1317                 if (FW_VERSION(av7110->arm_app) < 0x2621)
1318                         *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1319                 else
1320                         *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
1321                                                 AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1322                 break;
1323
1324         case AUDIO_CLEAR_BUFFER:
1325                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1326                 av7110_ipack_reset(&av7110->ipack[0]);
1327                 if (av7110->playing == RP_AV)
1328                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1329                                             __Play, 2, AV_PES, 0);
1330                 break;
1331         case AUDIO_SET_ID:
1332
1333                 break;
1334         case AUDIO_SET_MIXER:
1335         {
1336                 struct audio_mixer *amix = (struct audio_mixer *)parg;
1337
1338                 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1339                 break;
1340         }
1341         case AUDIO_SET_STREAMTYPE:
1342                 break;
1343         default:
1344                 ret = -ENOIOCTLCMD;
1345         }
1346         return ret;
1347 }
1348
1349
1350 static int dvb_video_open(struct inode *inode, struct file *file)
1351 {
1352         struct dvb_device *dvbdev = file->private_data;
1353         struct av7110 *av7110 = dvbdev->priv;
1354         int err;
1355
1356         dprintk(2, "av7110:%p, \n", av7110);
1357
1358         if ((err = dvb_generic_open(inode, file)) < 0)
1359                 return err;
1360
1361         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1362                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1363                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1364                 av7110->video_blank = 1;
1365                 av7110->audiostate.AV_sync_state = 1;
1366                 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1367
1368                 /*  empty event queue */
1369                 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1370         }
1371
1372         return 0;
1373 }
1374
1375 static int dvb_video_release(struct inode *inode, struct file *file)
1376 {
1377         struct dvb_device *dvbdev = file->private_data;
1378         struct av7110 *av7110 = dvbdev->priv;
1379
1380         dprintk(2, "av7110:%p, \n", av7110);
1381
1382         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1383                 av7110_av_stop(av7110, RP_VIDEO);
1384         }
1385
1386         return dvb_generic_release(inode, file);
1387 }
1388
1389 static int dvb_audio_open(struct inode *inode, struct file *file)
1390 {
1391         struct dvb_device *dvbdev = file->private_data;
1392         struct av7110 *av7110 = dvbdev->priv;
1393         int err = dvb_generic_open(inode, file);
1394
1395         dprintk(2, "av7110:%p, \n", av7110);
1396
1397         if (err < 0)
1398                 return err;
1399         dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1400         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1401         return 0;
1402 }
1403
1404 static int dvb_audio_release(struct inode *inode, struct file *file)
1405 {
1406         struct dvb_device *dvbdev = file->private_data;
1407         struct av7110 *av7110 = dvbdev->priv;
1408
1409         dprintk(2, "av7110:%p, \n", av7110);
1410
1411         av7110_av_stop(av7110, RP_AUDIO);
1412         return dvb_generic_release(inode, file);
1413 }
1414
1415
1416
1417 /******************************************************************************
1418  * driver registration
1419  ******************************************************************************/
1420
1421 static struct file_operations dvb_video_fops = {
1422         .owner          = THIS_MODULE,
1423         .write          = dvb_video_write,
1424         .ioctl          = dvb_generic_ioctl,
1425         .open           = dvb_video_open,
1426         .release        = dvb_video_release,
1427         .poll           = dvb_video_poll,
1428 };
1429
1430 static struct dvb_device dvbdev_video = {
1431         .priv           = NULL,
1432         .users          = 6,
1433         .readers        = 5,    /* arbitrary */
1434         .writers        = 1,
1435         .fops           = &dvb_video_fops,
1436         .kernel_ioctl   = dvb_video_ioctl,
1437 };
1438
1439 static struct file_operations dvb_audio_fops = {
1440         .owner          = THIS_MODULE,
1441         .write          = dvb_audio_write,
1442         .ioctl          = dvb_generic_ioctl,
1443         .open           = dvb_audio_open,
1444         .release        = dvb_audio_release,
1445         .poll           = dvb_audio_poll,
1446 };
1447
1448 static struct dvb_device dvbdev_audio = {
1449         .priv           = NULL,
1450         .users          = 1,
1451         .writers        = 1,
1452         .fops           = &dvb_audio_fops,
1453         .kernel_ioctl   = dvb_audio_ioctl,
1454 };
1455
1456
1457 int av7110_av_register(struct av7110 *av7110)
1458 {
1459         av7110->audiostate.AV_sync_state = 0;
1460         av7110->audiostate.mute_state = 0;
1461         av7110->audiostate.play_state = AUDIO_STOPPED;
1462         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1463         av7110->audiostate.channel_select = AUDIO_STEREO;
1464         av7110->audiostate.bypass_mode = 0;
1465
1466         av7110->videostate.video_blank = 0;
1467         av7110->videostate.play_state = VIDEO_STOPPED;
1468         av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1469         av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1470         av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
1471         av7110->display_ar = VIDEO_FORMAT_4_3;
1472
1473         init_waitqueue_head(&av7110->video_events.wait_queue);
1474         spin_lock_init(&av7110->video_events.lock);
1475         av7110->video_events.eventw = av7110->video_events.eventr = 0;
1476         av7110->video_events.overflow = 0;
1477         memset(&av7110->video_size, 0, sizeof (video_size_t));
1478
1479         dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1480                             &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1481
1482         dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1483                             &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1484
1485         return 0;
1486 }
1487
1488 void av7110_av_unregister(struct av7110 *av7110)
1489 {
1490         dvb_unregister_device(av7110->audio_dev);
1491         dvb_unregister_device(av7110->video_dev);
1492 }
1493
1494 int av7110_av_init(struct av7110 *av7110)
1495 {
1496         void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1497         int i, ret;
1498
1499         for (i = 0; i < 2; i++) {
1500                 struct ipack *ipack = av7110->ipack + i;
1501
1502                 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1503                 if (ret < 0) {
1504                         if (i)
1505                                 av7110_ipack_free(--ipack);
1506                         goto out;
1507                 }
1508                 ipack->data = av7110;
1509         }
1510
1511         dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1512         dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1513
1514         av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1515         av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1516 out:
1517         return ret;
1518 }
1519
1520 void av7110_av_exit(struct av7110 *av7110)
1521 {
1522         av7110_ipack_free(&av7110->ipack[0]);
1523         av7110_ipack_free(&av7110->ipack[1]);
1524 }