drivers/media/dvb/ttpci/av7110_av.c

   1 /*
   2  * av7110_av.c: audio and video MPEG decoder stuff
   3  *
   4  * Copyright (C) 1999-2002 Ralph  Metzler
   5  *                       & Marcus Metzler for convergence integrated media GmbH
   6  *
   7  * originally based on code by:
   8  * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  26  *
  27  *
  28  * the project's page is at http://www.linuxtv.org/dvb/
  29  */
  30
  31 #include <linux/types.h>
  32 #include <linux/kernel.h>
  33 #include <linux/string.h>
  34 #include <linux/sched.h>
  35 #include <linux/delay.h>
  36 #include <linux/byteorder/swabb.h>
  37 #include <linux/smp_lock.h>
  38 #include <linux/fs.h>
  39
  40 #include "av7110.h"
  41 #include "av7110_hw.h"
  42 #include "av7110_av.h"
  43 #include "av7110_ipack.h"
  44
  45 /* MPEG-2 (ISO 13818 / H.222.0) stream types */
  46 #define PROG_STREAM_MAP  0xBC
  47 #define PRIVATE_STREAM1  0xBD
  48 #define PADDING_STREAM   0xBE
  49 #define PRIVATE_STREAM2  0xBF
  50 #define AUDIO_STREAM_S   0xC0
  51 #define AUDIO_STREAM_E   0xDF
  52 #define VIDEO_STREAM_S   0xE0
  53 #define VIDEO_STREAM_E   0xEF
  54 #define ECM_STREAM       0xF0
  55 #define EMM_STREAM       0xF1
  56 #define DSM_CC_STREAM    0xF2
  57 #define ISO13522_STREAM  0xF3
  58 #define PROG_STREAM_DIR  0xFF
  59
  60 #define PTS_DTS_FLAGS    0xC0
  61
  62 //pts_dts flags
  63 #define PTS_ONLY         0x80
  64 #define PTS_DTS          0xC0
  65 #define TS_SIZE          188
  66 #define TRANS_ERROR      0x80
  67 #define PAY_START        0x40
  68 #define TRANS_PRIO       0x20
  69 #define PID_MASK_HI      0x1F
  70 //flags
  71 #define TRANS_SCRMBL1    0x80
  72 #define TRANS_SCRMBL2    0x40
  73 #define ADAPT_FIELD      0x20
  74 #define PAYLOAD          0x10
  75 #define COUNT_MASK       0x0F
  76
  77 // adaptation flags
  78 #define DISCON_IND       0x80
  79 #define RAND_ACC_IND     0x40
  80 #define ES_PRI_IND       0x20
  81 #define PCR_FLAG         0x10
  82 #define OPCR_FLAG        0x08
  83 #define SPLICE_FLAG      0x04
  84 #define TRANS_PRIV       0x02
  85 #define ADAP_EXT_FLAG    0x01
  86
  87 // adaptation extension flags
  88 #define LTW_FLAG         0x80
  89 #define PIECE_RATE       0x40
  90 #define SEAM_SPLICE      0x20
  91
  92
  93 static void p_to_t(u8 const *buf, long int length, u16 pid,
  94                    u8 *counter, struct dvb_demux_feed *feed);
  95
  96
  97 int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len)
  98 {
  99         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv;
 100
 101         if (!(dvbdmxfeed->ts_type & TS_PACKET))
 102                 return 0;
 103         if (buf[3] == 0xe0)      // video PES do not have a length in TS
 104                 buf[4] = buf[5] = 0;
 105         if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
 106                 return dvbdmxfeed->cb.ts(buf, len, NULL, 0,
 107                                          &dvbdmxfeed->feed.ts, DMX_OK);
 108         else
 109                 return dvb_filter_pes2ts(p2t, buf, len, 1);
 110 }
 111
 112 static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data)
 113 {
 114         struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv;
 115
 116         dvbdmxfeed->cb.ts(data, 188, NULL, 0,
 117                           &dvbdmxfeed->feed.ts, DMX_OK);
 118         return 0;
 119 }
 120
 121 int av7110_av_start_record(struct av7110 *av7110, int av,
 122                            struct dvb_demux_feed *dvbdmxfeed)
 123 {
 124         int ret = 0;
 125         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 126
 127         dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
 128
 129         if (av7110->playing || (av7110->rec_mode & av))
 130                 return -EBUSY;
 131         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 132         dvbdmx->recording = 1;
 133         av7110->rec_mode |= av;
 134
 135         switch (av7110->rec_mode) {
 136         case RP_AUDIO:
 137                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 138                                        dvbdmx->pesfilter[0]->pid,
 139                                        dvb_filter_pes2ts_cb,
 140                                        (void *) dvbdmx->pesfilter[0]);
 141                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 142                 break;
 143
 144         case RP_VIDEO:
 145                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 146                                        dvbdmx->pesfilter[1]->pid,
 147                                        dvb_filter_pes2ts_cb,
 148                                        (void *) dvbdmx->pesfilter[1]);
 149                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 150                 break;
 151
 152         case RP_AV:
 153                 dvb_filter_pes2ts_init(&av7110->p2t[0],
 154                                        dvbdmx->pesfilter[0]->pid,
 155                                        dvb_filter_pes2ts_cb,
 156                                        (void *) dvbdmx->pesfilter[0]);
 157                 dvb_filter_pes2ts_init(&av7110->p2t[1],
 158                                        dvbdmx->pesfilter[1]->pid,
 159                                        dvb_filter_pes2ts_cb,
 160                                        (void *) dvbdmx->pesfilter[1]);
 161                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0);
 162                 break;
 163         }
 164         return ret;
 165 }
 166
 167 int av7110_av_start_play(struct av7110 *av7110, int av)
 168 {
 169         int ret = 0;
 170         dprintk(2, "av7110:%p, \n", av7110);
 171
 172         if (av7110->rec_mode)
 173                 return -EBUSY;
 174         if (av7110->playing & av)
 175                 return -EBUSY;
 176
 177         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 178
 179         if (av7110->playing == RP_NONE) {
 180                 av7110_ipack_reset(&av7110->ipack[0]);
 181                 av7110_ipack_reset(&av7110->ipack[1]);
 182         }
 183
 184         av7110->playing |= av;
 185         switch (av7110->playing) {
 186         case RP_AUDIO:
 187                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 188                 break;
 189         case RP_VIDEO:
 190                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 191                 av7110->sinfo = 0;
 192                 break;
 193         case RP_AV:
 194                 av7110->sinfo = 0;
 195                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0);
 196                 break;
 197         }
 198         if (!ret)
 199                 ret = av7110->playing;
 200         return ret;
 201 }
 202
 203 int av7110_av_stop(struct av7110 *av7110, int av)
 204 {
 205         int ret = 0;
 206         dprintk(2, "av7110:%p, \n", av7110);
 207
 208         if (!(av7110->playing & av) && !(av7110->rec_mode & av))
 209                 return 0;
 210         av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
 211         if (av7110->playing) {
 212                 av7110->playing &= ~av;
 213                 switch (av7110->playing) {
 214                 case RP_AUDIO:
 215                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0);
 216                         break;
 217                 case RP_VIDEO:
 218                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0);
 219                         break;
 220                 case RP_NONE:
 221                         ret = av7110_set_vidmode(av7110, av7110->vidmode);
 222                         break;
 223                 }
 224         } else {
 225                 av7110->rec_mode &= ~av;
 226                 switch (av7110->rec_mode) {
 227                 case RP_AUDIO:
 228                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0);
 229                         break;
 230                 case RP_VIDEO:
 231                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0);
 232                         break;
 233                 case RP_NONE:
 234                         break;
 235                 }
 236         }
 237         return ret;
 238 }
 239
 240
 241 int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
 242 {
 243         int len;
 244         u32 sync;
 245         u16 blen;
 246
 247         if (!dlen) {
 248                 wake_up(&buf->queue);
 249                 return -1;
 250         }
 251         while (1) {
 252                 if ((len = dvb_ringbuffer_avail(buf)) < 6)
 253                         return -1;
 254                 sync =  DVB_RINGBUFFER_PEEK(buf, 0) << 24;
 255                 sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
 256                 sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;
 257                 sync |= DVB_RINGBUFFER_PEEK(buf, 3);
 258
 259                 if (((sync &~ 0x0f) == 0x000001e0) ||
 260                     ((sync &~ 0x1f) == 0x000001c0) ||
 261                     (sync == 0x000001bd))
 262                         break;
 263                 printk("resync\n");
 264                 DVB_RINGBUFFER_SKIP(buf, 1);
 265         }
 266         blen =  DVB_RINGBUFFER_PEEK(buf, 4) << 8;
 267         blen |= DVB_RINGBUFFER_PEEK(buf, 5);
 268         blen += 6;
 269         if (len < blen || blen > dlen) {
 270                 //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen);
 271                 wake_up(&buf->queue);
 272                 return -1;
 273         }
 274
 275         dvb_ringbuffer_read(buf, dest, (size_t) blen, 0);
 276
 277         dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n",
 278                (unsigned long) buf->pread, (unsigned long) buf->pwrite);
 279         wake_up(&buf->queue);
 280         return blen;
 281 }
 282
 283
 284 int av7110_set_volume(struct av7110 *av7110, int volleft, int volright)
 285 {
 286         int err, vol, val, balance = 0;
 287
 288         dprintk(2, "av7110:%p, \n", av7110);
 289
 290         av7110->mixer.volume_left = volleft;
 291         av7110->mixer.volume_right = volright;
 292
 293         switch (av7110->adac_type) {
 294         case DVB_ADAC_TI:
 295                 volleft = (volleft * 256) / 1036;
 296                 volright = (volright * 256) / 1036;
 297                 if (volleft > 0x3f)
 298                         volleft = 0x3f;
 299                 if (volright > 0x3f)
 300                         volright = 0x3f;
 301                 if ((err = SendDAC(av7110, 3, 0x80 + volleft)))
 302                         return err;
 303                 return SendDAC(av7110, 4, volright);
 304
 305         case DVB_ADAC_CRYSTAL:
 306                 volleft = 127 - volleft / 2;
 307                 volright = 127 - volright / 2;
 308                 i2c_writereg(av7110, 0x20, 0x03, volleft);
 309                 i2c_writereg(av7110, 0x20, 0x04, volright);
 310                 return 0;
 311
 312         case DVB_ADAC_MSP34x0:
 313                 vol  = (volleft > volright) ? volleft : volright;
 314                 val     = (vol * 0x73 / 255) << 8;
 315                 if (vol > 0)
 316                        balance = ((volright - volleft) * 127) / vol;
 317                 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 318                 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 319                 msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */
 320                 return 0;
 321
 322         case DVB_ADAC_MSP34x5:
 323                 vol = (volleft > volright) ? volleft : volright;
 324                 val = (vol * 0x73 / 255) << 8;
 325                 if (vol > 0)
 326                         balance = ((volright - volleft) * 127) / vol;
 327                 msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8);
 328                 msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */
 329                 return 0;
 330         }
 331
 332         return 0;
 333 }
 334
 335 int av7110_set_vidmode(struct av7110 *av7110, int mode)
 336 {
 337         int ret;
 338         dprintk(2, "av7110:%p, \n", av7110);
 339
 340         ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode);
 341
 342         if (!ret && !av7110->playing) {
 343                 ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO],
 344                            av7110->pids[DMX_PES_AUDIO],
 345                            av7110->pids[DMX_PES_TELETEXT],
 346                            0, av7110->pids[DMX_PES_PCR]);
 347                 if (!ret)
 348                         ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0);
 349         }
 350         return ret;
 351 }
 352
 353
 354 static int sw2mode[16] = {
 355         VIDEO_MODE_PAL, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL,
 356         VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_PAL, VIDEO_MODE_NTSC,
 357         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 358         VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL,
 359 };
 360
 361 static int get_video_format(struct av7110 *av7110, u8 *buf, int count)
 362 {
 363         int i;
 364         int hsize, vsize;
 365         int sw;
 366         u8 *p;
 367         int ret = 0;
 368
 369         dprintk(2, "av7110:%p, \n", av7110);
 370
 371         if (av7110->sinfo)
 372                 return 0;
 373         for (i = 7; i < count - 10; i++) {
 374                 p = buf + i;
 375                 if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3)
 376                         continue;
 377                 p += 4;
 378                 hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4);
 379                 vsize = ((p[1] &0x0F) << 8) | (p[2]);
 380                 sw = (p[3] & 0x0F);
 381                 ret = av7110_set_vidmode(av7110, sw2mode[sw]);
 382                 if (!ret) {
 383                         dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw);
 384                         av7110->sinfo = 1;
 385                 }
 386                 break;
 387         }
 388         return ret;
 389 }
 390
 391
 392 /****************************************************************************
 393  * I/O buffer management and control
 394  ****************************************************************************/
 395
 396 static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf,
 397                                          const char *buf, unsigned long count)
 398 {
 399         unsigned long todo = count;
 400         int free;
 401
 402         while (todo > 0) {
 403                 if (dvb_ringbuffer_free(rbuf) < 2048) {
 404                         if (wait_event_interruptible(rbuf->queue,
 405                                                      (dvb_ringbuffer_free(rbuf) >= 2048)))
 406                                 return count - todo;
 407                 }
 408                 free = dvb_ringbuffer_free(rbuf);
 409                 if (free > todo)
 410                         free = todo;
 411                 dvb_ringbuffer_write(rbuf, buf, free);
 412                 todo -= free;
 413                 buf += free;
 414         }
 415
 416         return count - todo;
 417 }
 418
 419 static void play_video_cb(u8 *buf, int count, void *priv)
 420 {
 421         struct av7110 *av7110 = (struct av7110 *) priv;
 422         dprintk(2, "av7110:%p, \n", av7110);
 423
 424         if ((buf[3] & 0xe0) == 0xe0) {
 425                 get_video_format(av7110, buf, count);
 426                 aux_ring_buffer_write(&av7110->avout, buf, count);
 427         } else
 428                 aux_ring_buffer_write(&av7110->aout, buf, count);
 429 }
 430
 431 static void play_audio_cb(u8 *buf, int count, void *priv)
 432 {
 433         struct av7110 *av7110 = (struct av7110 *) priv;
 434         dprintk(2, "av7110:%p, \n", av7110);
 435
 436         aux_ring_buffer_write(&av7110->aout, buf, count);
 437 }
 438
 439 #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \
 440                    dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 441
 442 static ssize_t dvb_play(struct av7110 *av7110, const u8 __user *buf,
 443                         unsigned long count, int nonblock, int type)
 444 {
 445         unsigned long todo = count, n;
 446         dprintk(2, "av7110:%p, \n", av7110);
 447
 448         if (!av7110->kbuf[type])
 449                 return -ENOBUFS;
 450
 451         if (nonblock && !FREE_COND)
 452                 return -EWOULDBLOCK;
 453
 454         while (todo > 0) {
 455                 if (!FREE_COND) {
 456                         if (nonblock)
 457                                 return count - todo;
 458                         if (wait_event_interruptible(av7110->avout.queue,
 459                                                      FREE_COND))
 460                                 return count - todo;
 461                 }
 462                 n = todo;
 463                 if (n > IPACKS * 2)
 464                         n = IPACKS * 2;
 465                 if (copy_from_user(av7110->kbuf[type], buf, n))
 466                         return -EFAULT;
 467                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 468                                             &av7110->ipack[type]);
 469                 todo -= n;
 470                 buf += n;
 471         }
 472         return count - todo;
 473 }
 474
 475 static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf,
 476                         unsigned long count, int nonblock, int type)
 477 {
 478         unsigned long todo = count, n;
 479         dprintk(2, "av7110:%p, \n", av7110);
 480
 481         if (!av7110->kbuf[type])
 482                 return -ENOBUFS;
 483
 484         if (nonblock && !FREE_COND)
 485                 return -EWOULDBLOCK;
 486
 487         while (todo > 0) {
 488                 if (!FREE_COND) {
 489                         if (nonblock)
 490                                 return count - todo;
 491                         if (wait_event_interruptible(av7110->avout.queue,
 492                                                      FREE_COND))
 493                                 return count - todo;
 494                 }
 495                 n = todo;
 496                 if (n > IPACKS * 2)
 497                         n = IPACKS * 2;
 498                 av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]);
 499                 todo -= n;
 500                 buf += n;
 501         }
 502         return count - todo;
 503 }
 504
 505 static ssize_t dvb_aplay(struct av7110 *av7110, const u8 __user *buf,
 506                          unsigned long count, int nonblock, int type)
 507 {
 508         unsigned long todo = count, n;
 509         dprintk(2, "av7110:%p, \n", av7110);
 510
 511         if (!av7110->kbuf[type])
 512                 return -ENOBUFS;
 513         if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024)
 514                 return -EWOULDBLOCK;
 515
 516         while (todo > 0) {
 517                 if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) {
 518                         if (nonblock)
 519                                 return count - todo;
 520                         if (wait_event_interruptible(av7110->aout.queue,
 521                                         (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)))
 522                                 return count-todo;
 523                 }
 524                 n = todo;
 525                 if (n > IPACKS * 2)
 526                         n = IPACKS * 2;
 527                 if (copy_from_user(av7110->kbuf[type], buf, n))
 528                         return -EFAULT;
 529                 av7110_ipack_instant_repack(av7110->kbuf[type], n,
 530                                             &av7110->ipack[type]);
 531                 todo -= n;
 532                 buf += n;
 533         }
 534         return count - todo;
 535 }
 536
 537 void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed)
 538 {
 539         memset(p->pes, 0, TS_SIZE);
 540         p->counter = 0;
 541         p->pos = 0;
 542         p->frags = 0;
 543         if (feed)
 544                 p->feed = feed;
 545 }
 546
 547 static void clear_p2t(struct av7110_p2t *p)
 548 {
 549         memset(p->pes, 0, TS_SIZE);
 550 //      p->counter = 0;
 551         p->pos = 0;
 552         p->frags = 0;
 553 }
 554
 555
 556 static int find_pes_header(u8 const *buf, long int length, int *frags)
 557 {
 558         int c = 0;
 559         int found = 0;
 560
 561         *frags = 0;
 562
 563         while (c < length - 3 && !found) {
 564                 if (buf[c] == 0x00 && buf[c + 1] == 0x00 &&
 565                     buf[c + 2] == 0x01) {
 566                         switch ( buf[c + 3] ) {
 567                         case PROG_STREAM_MAP:
 568                         case PRIVATE_STREAM2:
 569                         case PROG_STREAM_DIR:
 570                         case ECM_STREAM     :
 571                         case EMM_STREAM     :
 572                         case PADDING_STREAM :
 573                         case DSM_CC_STREAM  :
 574                         case ISO13522_STREAM:
 575                         case PRIVATE_STREAM1:
 576                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 577                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 578                                 found = 1;
 579                                 break;
 580
 581                         default:
 582                                 c++;
 583                                 break;
 584                         }
 585                 } else
 586                         c++;
 587         }
 588         if (c == length - 3 && !found) {
 589                 if (buf[length - 1] == 0x00)
 590                         *frags = 1;
 591                 if (buf[length - 2] == 0x00 &&
 592                     buf[length - 1] == 0x00)
 593                         *frags = 2;
 594                 if (buf[length - 3] == 0x00 &&
 595                     buf[length - 2] == 0x00 &&
 596                     buf[length - 1] == 0x01)
 597                         *frags = 3;
 598                 return -1;
 599         }
 600
 601         return c;
 602 }
 603
 604 void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p)
 605 {
 606         int c, c2, l, add;
 607         int check, rest;
 608
 609         c = 0;
 610         c2 = 0;
 611         if (p->frags){
 612                 check = 0;
 613                 switch(p->frags) {
 614                 case 1:
 615                         if (buf[c] == 0x00 && buf[c + 1] == 0x01) {
 616                                 check = 1;
 617                                 c += 2;
 618                         }
 619                         break;
 620                 case 2:
 621                         if (buf[c] == 0x01) {
 622                                 check = 1;
 623                                 c++;
 624                         }
 625                         break;
 626                 case 3:
 627                         check = 1;
 628                 }
 629                 if (check) {
 630                         switch (buf[c]) {
 631                         case PROG_STREAM_MAP:
 632                         case PRIVATE_STREAM2:
 633                         case PROG_STREAM_DIR:
 634                         case ECM_STREAM     :
 635                         case EMM_STREAM     :
 636                         case PADDING_STREAM :
 637                         case DSM_CC_STREAM  :
 638                         case ISO13522_STREAM:
 639                         case PRIVATE_STREAM1:
 640                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 641                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 642                                 p->pes[0] = 0x00;
 643                                 p->pes[1] = 0x00;
 644                                 p->pes[2] = 0x01;
 645                                 p->pes[3] = buf[c];
 646                                 p->pos = 4;
 647                                 memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos);
 648                                 c += (TS_SIZE - 4) - p->pos;
 649                                 p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed);
 650                                 clear_p2t(p);
 651                                 break;
 652
 653                         default:
 654                                 c = 0;
 655                                 break;
 656                         }
 657                 }
 658                 p->frags = 0;
 659         }
 660
 661         if (p->pos) {
 662                 c2 = find_pes_header(buf + c, length - c, &p->frags);
 663                 if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos)
 664                         l = c2+c;
 665                 else
 666                         l = (TS_SIZE - 4) - p->pos;
 667                 memcpy(p->pes + p->pos, buf, l);
 668                 c += l;
 669                 p->pos += l;
 670                 p_to_t(p->pes, p->pos, pid, &p->counter, p->feed);
 671                 clear_p2t(p);
 672         }
 673
 674         add = 0;
 675         while (c < length) {
 676                 c2 = find_pes_header(buf + c + add, length - c - add, &p->frags);
 677                 if (c2 >= 0) {
 678                         c2 += c + add;
 679                         if (c2 > c){
 680                                 p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed);
 681                                 c = c2;
 682                                 clear_p2t(p);
 683                                 add = 0;
 684                         } else
 685                                 add = 1;
 686                 } else {
 687                         l = length - c;
 688                         rest = l % (TS_SIZE - 4);
 689                         l -= rest;
 690                         p_to_t(buf + c, l, pid, &p->counter, p->feed);
 691                         memcpy(p->pes, buf + c + l, rest);
 692                         p->pos = rest;
 693                         c = length;
 694                 }
 695         }
 696 }
 697
 698
 699 static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length)
 700 {
 701         int i;
 702         int c = 0;
 703         int fill;
 704         u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 };
 705
 706         fill = (TS_SIZE - 4) - length;
 707         if (pes_start)
 708                 tshead[1] = 0x40;
 709         if (fill)
 710                 tshead[3] = 0x30;
 711         tshead[1] |= (u8)((pid & 0x1F00) >> 8);
 712         tshead[2] |= (u8)(pid & 0x00FF);
 713         tshead[3] |= ((*counter)++ & 0x0F);
 714         memcpy(buf, tshead, 4);
 715         c += 4;
 716
 717         if (fill) {
 718                 buf[4] = fill - 1;
 719                 c++;
 720                 if (fill > 1) {
 721                         buf[5] = 0x00;
 722                         c++;
 723                 }
 724                 for (i = 6; i < fill + 4; i++) {
 725                         buf[i] = 0xFF;
 726                         c++;
 727                 }
 728         }
 729
 730         return c;
 731 }
 732
 733
 734 static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
 735                    struct dvb_demux_feed *feed)
 736 {
 737         int l, pes_start;
 738         u8 obuf[TS_SIZE];
 739         long c = 0;
 740
 741         pes_start = 0;
 742         if (length > 3 &&
 743              buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
 744                 switch (buf[3]) {
 745                         case PROG_STREAM_MAP:
 746                         case PRIVATE_STREAM2:
 747                         case PROG_STREAM_DIR:
 748                         case ECM_STREAM     :
 749                         case EMM_STREAM     :
 750                         case PADDING_STREAM :
 751                         case DSM_CC_STREAM  :
 752                         case ISO13522_STREAM:
 753                         case PRIVATE_STREAM1:
 754                         case AUDIO_STREAM_S ... AUDIO_STREAM_E:
 755                         case VIDEO_STREAM_S ... VIDEO_STREAM_E:
 756                                 pes_start = 1;
 757                                 break;
 758
 759                         default:
 760                                 break;
 761                 }
 762
 763         while (c < length) {
 764                 memset(obuf, 0, TS_SIZE);
 765                 if (length - c >= (TS_SIZE - 4)){
 766                         l = write_ts_header2(pid, counter, pes_start,
 767                                              obuf, (TS_SIZE - 4));
 768                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 769                         c += TS_SIZE - l;
 770                 } else {
 771                         l = write_ts_header2(pid, counter, pes_start,
 772                                              obuf, length - c);
 773                         memcpy(obuf + l, buf + c, TS_SIZE - l);
 774                         c = length;
 775                 }
 776                 feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK);
 777                 pes_start = 0;
 778         }
 779 }
 780
 781
 782 int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len)
 783 {
 784         struct dvb_demux *demux = feed->demux;
 785         struct av7110 *av7110 = (struct av7110 *) demux->priv;
 786         struct ipack *ipack = &av7110->ipack[feed->pes_type];
 787
 788         dprintk(2, "av7110:%p, \n", av7110);
 789
 790         switch (feed->pes_type) {
 791         case 0:
 792                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
 793                         return -EINVAL;
 794                 break;
 795         case 1:
 796                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
 797                         return -EINVAL;
 798                 break;
 799         default:
 800                 return -1;
 801         }
 802
 803         if (!(buf[3] & 0x10)) /* no payload? */
 804                 return -1;
 805         if (buf[1] & 0x40)
 806                 av7110_ipack_flush(ipack);
 807
 808         if (buf[3] & 0x20) {  /* adaptation field? */
 809                 len -= buf[4] + 1;
 810                 buf += buf[4] + 1;
 811                 if (!len)
 812                         return 0;
 813         }
 814
 815         av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]);
 816         return 0;
 817 }
 818
 819
 820
 821 /******************************************************************************
 822  * Video MPEG decoder events
 823  ******************************************************************************/
 824 void dvb_video_add_event(struct av7110 *av7110, struct video_event *event)
 825 {
 826         struct dvb_video_events *events = &av7110->video_events;
 827         int wp;
 828
 829         spin_lock_bh(&events->lock);
 830
 831         wp = (events->eventw + 1) % MAX_VIDEO_EVENT;
 832         if (wp == events->eventr) {
 833                 events->overflow = 1;
 834                 events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 835         }
 836
 837         //FIXME: timestamp?
 838         memcpy(&events->events[events->eventw], event, sizeof(struct video_event));
 839         events->eventw = wp;
 840
 841         spin_unlock_bh(&events->lock);
 842
 843         wake_up_interruptible(&events->wait_queue);
 844 }
 845
 846
 847 static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags)
 848 {
 849         struct dvb_video_events *events = &av7110->video_events;
 850
 851         if (events->overflow) {
 852                 events->overflow = 0;
 853                 return -EOVERFLOW;
 854         }
 855         if (events->eventw == events->eventr) {
 856                 int ret;
 857
 858                 if (flags & O_NONBLOCK)
 859                         return -EWOULDBLOCK;
 860
 861                 ret = wait_event_interruptible(events->wait_queue,
 862                                                events->eventw != events->eventr);
 863                 if (ret < 0)
 864                         return ret;
 865         }
 866
 867         spin_lock_bh(&events->lock);
 868
 869         memcpy(event, &events->events[events->eventr],
 870                sizeof(struct video_event));
 871         events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT;
 872
 873         spin_unlock_bh(&events->lock);
 874
 875         return 0;
 876 }
 877
 878
 879 /******************************************************************************
 880  * DVB device file operations
 881  ******************************************************************************/
 882
 883 static unsigned int dvb_video_poll(struct file *file, poll_table *wait)
 884 {
 885         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 886         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 887         unsigned int mask = 0;
 888
 889         dprintk(2, "av7110:%p, \n", av7110);
 890
 891         if ((file->f_flags & O_ACCMODE) != O_RDONLY)
 892                 poll_wait(file, &av7110->avout.queue, wait);
 893
 894         poll_wait(file, &av7110->video_events.wait_queue, wait);
 895
 896         if (av7110->video_events.eventw != av7110->video_events.eventr)
 897                 mask = POLLPRI;
 898
 899         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
 900                 if (av7110->playing) {
 901                         if (FREE_COND)
 902                                 mask |= (POLLOUT | POLLWRNORM);
 903                         } else /* if not playing: may play if asked for */
 904                                 mask |= (POLLOUT | POLLWRNORM);
 905         }
 906
 907         return mask;
 908 }
 909
 910 static ssize_t dvb_video_write(struct file *file, const char __user *buf,
 911                                size_t count, loff_t *ppos)
 912 {
 913         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 914         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 915
 916         dprintk(2, "av7110:%p, \n", av7110);
 917
 918         if ((file->f_flags & O_ACCMODE) == O_RDONLY)
 919                 return -EPERM;
 920
 921         if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY)
 922                 return -EPERM;
 923
 924         return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1);
 925 }
 926
 927 static unsigned int dvb_audio_poll(struct file *file, poll_table *wait)
 928 {
 929         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 930         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 931         unsigned int mask = 0;
 932
 933         dprintk(2, "av7110:%p, \n", av7110);
 934
 935         poll_wait(file, &av7110->aout.queue, wait);
 936
 937         if (av7110->playing) {
 938                 if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024)
 939                         mask |= (POLLOUT | POLLWRNORM);
 940         } else /* if not playing: may play if asked for */
 941                 mask = (POLLOUT | POLLWRNORM);
 942
 943         return mask;
 944 }
 945
 946 static ssize_t dvb_audio_write(struct file *file, const char __user *buf,
 947                                size_t count, loff_t *ppos)
 948 {
 949         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 950         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 951
 952         dprintk(2, "av7110:%p, \n", av7110);
 953
 954         if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) {
 955                 printk(KERN_ERR "not audio source memory\n");
 956                 return -EPERM;
 957         }
 958         return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0);
 959 }
 960
 961 static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 };
 962
 963 #define MIN_IFRAME 400000
 964
 965 static int play_iframe(struct av7110 *av7110, u8 __user *buf, unsigned int len, int nonblock)
 966 {
 967         int i, n;
 968
 969         dprintk(2, "av7110:%p, \n", av7110);
 970
 971         if (!(av7110->playing & RP_VIDEO)) {
 972                 if (av7110_av_start_play(av7110, RP_VIDEO) < 0)
 973                         return -EBUSY;
 974         }
 975
 976         /* setting n always > 1, fixes problems when playing stillframes
 977            consisting of I- and P-Frames */
 978         n = MIN_IFRAME / len + 1;
 979
 980         /* FIXME: nonblock? */
 981         dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1);
 982
 983         for (i = 0; i < n; i++)
 984                 dvb_play(av7110, buf, len, 0, 1);
 985
 986         av7110_ipack_flush(&av7110->ipack[1]);
 987         return 0;
 988 }
 989
 990
 991 static int dvb_video_ioctl(struct inode *inode, struct file *file,
 992                            unsigned int cmd, void *parg)
 993 {
 994         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
 995         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
 996         unsigned long arg = (unsigned long) parg;
 997         int ret = 0;
 998
 999         dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1000
1001         if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
1002                 if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT &&
1003                      cmd != VIDEO_GET_SIZE ) {
1004                         return -EPERM;
1005                 }
1006         }
1007
1008         switch (cmd) {
1009         case VIDEO_STOP:
1010                 av7110->videostate.play_state = VIDEO_STOPPED;
1011                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY)
1012                         ret = av7110_av_stop(av7110, RP_VIDEO);
1013                 else
1014                         ret = vidcom(av7110, VIDEO_CMD_STOP,
1015                                av7110->videostate.video_blank ? 0 : 1);
1016                 if (!ret)
1017                         av7110->trickmode = TRICK_NONE;
1018                 break;
1019
1020         case VIDEO_PLAY:
1021                 av7110->trickmode = TRICK_NONE;
1022                 if (av7110->videostate.play_state == VIDEO_FREEZED) {
1023                         av7110->videostate.play_state = VIDEO_PLAYING;
1024                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1025                         if (ret)
1026                                 break;
1027                 }
1028
1029                 if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) {
1030                         if (av7110->playing == RP_AV) {
1031                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0);
1032                                 if (ret)
1033                                         break;
1034                                 av7110->playing &= ~RP_VIDEO;
1035                         }
1036                         ret = av7110_av_start_play(av7110, RP_VIDEO);
1037                 }
1038                 if (!ret)
1039                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1040                 if (!ret)
1041                         av7110->videostate.play_state = VIDEO_PLAYING;
1042                 break;
1043
1044         case VIDEO_FREEZE:
1045                 av7110->videostate.play_state = VIDEO_FREEZED;
1046                 if (av7110->playing & RP_VIDEO)
1047                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0);
1048                 else
1049                         ret = vidcom(av7110, VIDEO_CMD_FREEZE, 1);
1050                 if (!ret)
1051                         av7110->trickmode = TRICK_FREEZE;
1052                 break;
1053
1054         case VIDEO_CONTINUE:
1055                 if (av7110->playing & RP_VIDEO)
1056                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0);
1057                 if (!ret)
1058                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1059                 if (!ret) {
1060                         av7110->videostate.play_state = VIDEO_PLAYING;
1061                         av7110->trickmode = TRICK_NONE;
1062                 }
1063                 break;
1064
1065         case VIDEO_SELECT_SOURCE:
1066                 av7110->videostate.stream_source = (video_stream_source_t) arg;
1067                 break;
1068
1069         case VIDEO_SET_BLANK:
1070                 av7110->videostate.video_blank = (int) arg;
1071                 break;
1072
1073         case VIDEO_GET_STATUS:
1074                 memcpy(parg, &av7110->videostate, sizeof(struct video_status));
1075                 break;
1076
1077         case VIDEO_GET_EVENT:
1078                 ret = dvb_video_get_event(av7110, parg, file->f_flags);
1079                 break;
1080
1081         case VIDEO_GET_SIZE:
1082                 memcpy(parg, &av7110->video_size, sizeof(video_size_t));
1083                 break;
1084
1085         case VIDEO_SET_DISPLAY_FORMAT:
1086         {
1087                 video_displayformat_t format = (video_displayformat_t) arg;
1088                 u16 val = 0;
1089
1090                 switch (format) {
1091                 case VIDEO_PAN_SCAN:
1092                         val = VID_PAN_SCAN_PREF;
1093                         break;
1094
1095                 case VIDEO_LETTER_BOX:
1096                         val = VID_VC_AND_PS_PREF;
1097                         break;
1098
1099                 case VIDEO_CENTER_CUT_OUT:
1100                         val = VID_CENTRE_CUT_PREF;
1101                         break;
1102
1103                 default:
1104                         ret = -EINVAL;
1105                 }
1106                 if (ret < 0)
1107                         break;
1108                 av7110->videostate.display_format = format;
1109                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType,
1110                                     1, (u16) val);
1111                 break;
1112         }
1113
1114         case VIDEO_SET_FORMAT:
1115                 if (arg > 1) {
1116                         ret = -EINVAL;
1117                         break;
1118                 }
1119                 av7110->display_ar = arg;
1120                 ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType,
1121                                     1, (u16) arg);
1122                 break;
1123
1124         case VIDEO_STILLPICTURE:
1125         {
1126                 struct video_still_picture *pic =
1127                         (struct video_still_picture *) parg;
1128                 av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY;
1129                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1130                 ret = play_iframe(av7110, pic->iFrame, pic->size,
1131                                   file->f_flags & O_NONBLOCK);
1132                 break;
1133         }
1134
1135         case VIDEO_FAST_FORWARD:
1136                 //note: arg is ignored by firmware
1137                 if (av7110->playing & RP_VIDEO)
1138                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1139                                             __Scan_I, 2, AV_PES, 0);
1140                 else
1141                         ret = vidcom(av7110, VIDEO_CMD_FFWD, arg);
1142                 if (!ret) {
1143                         av7110->trickmode = TRICK_FAST;
1144                         av7110->videostate.play_state = VIDEO_PLAYING;
1145                 }
1146                 break;
1147
1148         case VIDEO_SLOWMOTION:
1149                 if (av7110->playing&RP_VIDEO) {
1150                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0);
1151                         if (!ret)
1152                                 ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
1153                 } else {
1154                         ret = vidcom(av7110, VIDEO_CMD_PLAY, 0);
1155                         if (!ret)
1156                                 ret = vidcom(av7110, VIDEO_CMD_STOP, 0);
1157                         if (!ret)
1158                                 ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
1159                 }
1160                 if (!ret) {
1161                         av7110->trickmode = TRICK_SLOW;
1162                         av7110->videostate.play_state = VIDEO_PLAYING;
1163                 }
1164                 break;
1165
1166         case VIDEO_GET_CAPABILITIES:
1167                 *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 |
1168                         VIDEO_CAP_SYS | VIDEO_CAP_PROG;
1169                 break;
1170
1171         case VIDEO_CLEAR_BUFFER:
1172                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1173                 av7110_ipack_reset(&av7110->ipack[1]);
1174
1175                 if (av7110->playing == RP_AV) {
1176                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1177                                             __Play, 2, AV_PES, 0);
1178                         if (ret)
1179                                 break;
1180                         if (av7110->trickmode == TRICK_FAST)
1181                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1182                                                     __Scan_I, 2, AV_PES, 0);
1183                         if (av7110->trickmode == TRICK_SLOW) {
1184                                 ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1185                                                     __Slow, 2, 0, 0);
1186                                 if (!ret)
1187                                         ret = vidcom(av7110, VIDEO_CMD_SLOW, arg);
1188                         }
1189                         if (av7110->trickmode == TRICK_FREEZE)
1190                                 ret = vidcom(av7110, VIDEO_CMD_STOP, 1);
1191                 }
1192                 break;
1193
1194         case VIDEO_SET_STREAMTYPE:
1195
1196                 break;
1197
1198         default:
1199                 ret = -ENOIOCTLCMD;
1200                 break;
1201         }
1202         return ret;
1203 }
1204
1205 static int dvb_audio_ioctl(struct inode *inode, struct file *file,
1206                            unsigned int cmd, void *parg)
1207 {
1208         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1209         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1210         unsigned long arg = (unsigned long) parg;
1211         int ret = 0;
1212
1213         dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd);
1214
1215         if (((file->f_flags & O_ACCMODE) == O_RDONLY) &&
1216             (cmd != AUDIO_GET_STATUS))
1217                 return -EPERM;
1218
1219         switch (cmd) {
1220         case AUDIO_STOP:
1221                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1222                         ret = av7110_av_stop(av7110, RP_AUDIO);
1223                 else
1224                         ret = audcom(av7110, AUDIO_CMD_MUTE);
1225                 if (!ret)
1226                         av7110->audiostate.play_state = AUDIO_STOPPED;
1227                 break;
1228
1229         case AUDIO_PLAY:
1230                 if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY)
1231                         ret = av7110_av_start_play(av7110, RP_AUDIO);
1232                 if (!ret)
1233                         ret = audcom(av7110, AUDIO_CMD_UNMUTE);
1234                 if (!ret)
1235                         av7110->audiostate.play_state = AUDIO_PLAYING;
1236                 break;
1237
1238         case AUDIO_PAUSE:
1239                 ret = audcom(av7110, AUDIO_CMD_MUTE);
1240                 if (!ret)
1241                         av7110->audiostate.play_state = AUDIO_PAUSED;
1242                 break;
1243
1244         case AUDIO_CONTINUE:
1245                 if (av7110->audiostate.play_state == AUDIO_PAUSED) {
1246                         av7110->audiostate.play_state = AUDIO_PLAYING;
1247                         ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16);
1248                 }
1249                 break;
1250
1251         case AUDIO_SELECT_SOURCE:
1252                 av7110->audiostate.stream_source = (audio_stream_source_t) arg;
1253                 break;
1254
1255         case AUDIO_SET_MUTE:
1256         {
1257                 ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE);
1258                 if (!ret)
1259                         av7110->audiostate.mute_state = (int) arg;
1260                 break;
1261         }
1262
1263         case AUDIO_SET_AV_SYNC:
1264                 av7110->audiostate.AV_sync_state = (int) arg;
1265                 ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF);
1266                 break;
1267
1268         case AUDIO_SET_BYPASS_MODE:
1269                 if (FW_VERSION(av7110->arm_app) < 0x2621)
1270                         ret = -EINVAL;
1271                 av7110->audiostate.bypass_mode = (int)arg;
1272                 break;
1273
1274         case AUDIO_CHANNEL_SELECT:
1275                 av7110->audiostate.channel_select = (audio_channel_select_t) arg;
1276
1277                 switch(av7110->audiostate.channel_select) {
1278                 case AUDIO_STEREO:
1279                         ret = audcom(av7110, AUDIO_CMD_STEREO);
1280                         if (!ret) {
1281                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1282                                         i2c_writereg(av7110, 0x20, 0x02, 0x49);
1283                                 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1284                                         msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220);
1285                         }
1286                         break;
1287
1288                 case AUDIO_MONO_LEFT:
1289                         ret = audcom(av7110, AUDIO_CMD_MONO_L);
1290                         if (!ret) {
1291                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1292                                         i2c_writereg(av7110, 0x20, 0x02, 0x4a);
1293                                 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1294                                         msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200);
1295                         }
1296                         break;
1297
1298                 case AUDIO_MONO_RIGHT:
1299                         ret = audcom(av7110, AUDIO_CMD_MONO_R);
1300                         if (!ret) {
1301                                 if (av7110->adac_type == DVB_ADAC_CRYSTAL)
1302                                         i2c_writereg(av7110, 0x20, 0x02, 0x45);
1303                                 else if (av7110->adac_type == DVB_ADAC_MSP34x5)
1304                                         msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210);
1305                         }
1306                         break;
1307
1308                 default:
1309                         ret = -EINVAL;
1310                         break;
1311                 }
1312                 break;
1313
1314         case AUDIO_GET_STATUS:
1315                 memcpy(parg, &av7110->audiostate, sizeof(struct audio_status));
1316                 break;
1317
1318         case AUDIO_GET_CAPABILITIES:
1319                 if (FW_VERSION(av7110->arm_app) < 0x2621)
1320                         *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1321                 else
1322                         *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 |
1323                                                 AUDIO_CAP_MP1 | AUDIO_CAP_MP2;
1324                 break;
1325
1326         case AUDIO_CLEAR_BUFFER:
1327                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1328                 av7110_ipack_reset(&av7110->ipack[0]);
1329                 if (av7110->playing == RP_AV)
1330                         ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY,
1331                                             __Play, 2, AV_PES, 0);
1332                 break;
1333         case AUDIO_SET_ID:
1334
1335                 break;
1336         case AUDIO_SET_MIXER:
1337         {
1338                 struct audio_mixer *amix = (struct audio_mixer *)parg;
1339
1340                 ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right);
1341                 break;
1342         }
1343         case AUDIO_SET_STREAMTYPE:
1344                 break;
1345         default:
1346                 ret = -ENOIOCTLCMD;
1347         }
1348         return ret;
1349 }
1350
1351
1352 static int dvb_video_open(struct inode *inode, struct file *file)
1353 {
1354         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1355         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1356         int err;
1357
1358         dprintk(2, "av7110:%p, \n", av7110);
1359
1360         if ((err = dvb_generic_open(inode, file)) < 0)
1361                 return err;
1362
1363         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1364                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1365                 dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout);
1366                 av7110->video_blank = 1;
1367                 av7110->audiostate.AV_sync_state = 1;
1368                 av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1369
1370                 /*  empty event queue */
1371                 av7110->video_events.eventr = av7110->video_events.eventw = 0;
1372         }
1373
1374         return 0;
1375 }
1376
1377 static int dvb_video_release(struct inode *inode, struct file *file)
1378 {
1379         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1380         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1381
1382         dprintk(2, "av7110:%p, \n", av7110);
1383
1384         if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
1385                 av7110_av_stop(av7110, RP_VIDEO);
1386         }
1387
1388         return dvb_generic_release(inode, file);
1389 }
1390
1391 static int dvb_audio_open(struct inode *inode, struct file *file)
1392 {
1393         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1394         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1395         int err=dvb_generic_open(inode, file);
1396
1397         dprintk(2, "av7110:%p, \n", av7110);
1398
1399         if (err < 0)
1400                 return err;
1401         dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout);
1402         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1403         return 0;
1404 }
1405
1406 static int dvb_audio_release(struct inode *inode, struct file *file)
1407 {
1408         struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
1409         struct av7110 *av7110 = (struct av7110 *) dvbdev->priv;
1410
1411         dprintk(2, "av7110:%p, \n", av7110);
1412
1413         av7110_av_stop(av7110, RP_AUDIO);
1414         return dvb_generic_release(inode, file);
1415 }
1416
1417
1418
1419 /******************************************************************************
1420  * driver registration
1421  ******************************************************************************/
1422
1423 static struct file_operations dvb_video_fops = {
1424         .owner          = THIS_MODULE,
1425         .write          = dvb_video_write,
1426         .ioctl          = dvb_generic_ioctl,
1427         .open           = dvb_video_open,
1428         .release        = dvb_video_release,
1429         .poll           = dvb_video_poll,
1430 };
1431
1432 static struct dvb_device dvbdev_video = {
1433         .priv           = NULL,
1434         .users          = 6,
1435         .readers        = 5,    /* arbitrary */
1436         .writers        = 1,
1437         .fops           = &dvb_video_fops,
1438         .kernel_ioctl   = dvb_video_ioctl,
1439 };
1440
1441 static struct file_operations dvb_audio_fops = {
1442         .owner          = THIS_MODULE,
1443         .write          = dvb_audio_write,
1444         .ioctl          = dvb_generic_ioctl,
1445         .open           = dvb_audio_open,
1446         .release        = dvb_audio_release,
1447         .poll           = dvb_audio_poll,
1448 };
1449
1450 static struct dvb_device dvbdev_audio = {
1451         .priv           = NULL,
1452         .users          = 1,
1453         .writers        = 1,
1454         .fops           = &dvb_audio_fops,
1455         .kernel_ioctl   = dvb_audio_ioctl,
1456 };
1457
1458
1459 int av7110_av_register(struct av7110 *av7110)
1460 {
1461         av7110->audiostate.AV_sync_state = 0;
1462         av7110->audiostate.mute_state = 0;
1463         av7110->audiostate.play_state = AUDIO_STOPPED;
1464         av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX;
1465         av7110->audiostate.channel_select = AUDIO_STEREO;
1466         av7110->audiostate.bypass_mode = 0;
1467
1468         av7110->videostate.video_blank = 0;
1469         av7110->videostate.play_state = VIDEO_STOPPED;
1470         av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX;
1471         av7110->videostate.video_format = VIDEO_FORMAT_4_3;
1472         av7110->videostate.display_format = VIDEO_CENTER_CUT_OUT;
1473         av7110->display_ar = VIDEO_FORMAT_4_3;
1474
1475         init_waitqueue_head(&av7110->video_events.wait_queue);
1476         spin_lock_init(&av7110->video_events.lock);
1477         av7110->video_events.eventw = av7110->video_events.eventr = 0;
1478         av7110->video_events.overflow = 0;
1479         memset(&av7110->video_size, 0, sizeof (video_size_t));
1480
1481         dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev,
1482                             &dvbdev_video, av7110, DVB_DEVICE_VIDEO);
1483
1484         dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev,
1485                             &dvbdev_audio, av7110, DVB_DEVICE_AUDIO);
1486
1487         return 0;
1488 }
1489
1490 void av7110_av_unregister(struct av7110 *av7110)
1491 {
1492         dvb_unregister_device(av7110->audio_dev);
1493         dvb_unregister_device(av7110->video_dev);
1494 }
1495
1496 int av7110_av_init(struct av7110 *av7110)
1497 {
1498         void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb };
1499         int i, ret;
1500
1501         for (i = 0; i < 2; i++) {
1502                 struct ipack *ipack = av7110->ipack + i;
1503
1504                 ret = av7110_ipack_init(ipack, IPACKS, play[i]);
1505                 if (ret < 0) {
1506                         if (i)
1507                                 av7110_ipack_free(--ipack);
1508                         goto out;
1509                 }
1510                 ipack->data = av7110;
1511         }
1512
1513         dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN);
1514         dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN);
1515
1516         av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN);
1517         av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS;
1518 out:
1519         return ret;
1520 }
1521
1522 void av7110_av_exit(struct av7110 *av7110)
1523 {
1524         av7110_ipack_free(&av7110->ipack[0]);
1525         av7110_ipack_free(&av7110->ipack[1]);
1526 }