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