misc/cdrom.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Sample CDAUDIO Wine Driver for Linux
   4  *
   5  * Copyright 1994 Martin Ayotte
   6  * Copyright 1999 Eric Pouech
   7  */
   8
   9 #include <errno.h>
  10 #include <string.h>
  11 #include <fcntl.h>
  12 #include <sys/ioctl.h>
  13 #include "cdrom.h"
  14 #include "debug.h"
  15
  16 #if defined(__NetBSD__)
  17 # define CDAUDIO_DEV "/dev/rcd0d"
  18 #elif defined(__FreeBSD__)
  19 # define CDAUDIO_DEV "/dev/rcd0c"
  20 #else
  21 # define CDAUDIO_DEV "/dev/cdrom"
  22 #endif
  23
  24 #define MAX_CDAUDIO_TRACKS      256
  25
  26 /**************************************************************************
  27  *                              CDAUDIO_Open                    [internal]
  28  */
  29 int     CDAUDIO_Open(WINE_CDAUDIO* wcda)
  30 {
  31 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
  32     wcda->unixdev = open(CDAUDIO_DEV, O_RDONLY | O_NONBLOCK, 0);
  33     if (wcda->unixdev == -1) {
  34         WARN(cdaudio,"can't open '%s'!.  errno=%d\n", CDAUDIO_DEV, errno);
  35         return -1;
  36     }
  37     wcda->cdaMode = WINE_CDA_OPEN;      /* to force reading tracks info */
  38     wcda->nCurTrack = 0;
  39     wcda->nTracks = 0;
  40     wcda->dwTotalLen = 0;
  41     wcda->dwFirstOffset = 0;
  42     wcda->lpdwTrackLen = NULL;
  43     wcda->lpdwTrackPos = NULL;
  44     wcda->lpbTrackFlags = NULL;
  45     return 0;
  46 #else
  47     wcda->unixdev = -1;
  48     return -1;
  49 #endif
  50 }
  51
  52 /**************************************************************************
  53  *                              CDAUDIO_Close                   [internal]
  54  */
  55 int     CDAUDIO_Close(WINE_CDAUDIO* wcda)
  56 {
  57 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
  58     if (wcda->lpdwTrackLen != NULL) free(wcda->lpdwTrackLen);
  59     if (wcda->lpdwTrackPos != NULL) free(wcda->lpdwTrackPos);
  60     if (wcda->lpbTrackFlags != NULL) free(wcda->lpbTrackFlags);
  61     close(wcda->unixdev);
  62     return 0;
  63 #else
  64     return -1;
  65 #endif
  66 }
  67
  68 /**************************************************************************
  69  *                              CDAUDIO_GetNumberOfTracks       [internal]
  70  */
  71 UINT16 CDAUDIO_GetNumberOfTracks(WINE_CDAUDIO* wcda)
  72 {
  73 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
  74 #ifdef linux
  75     struct cdrom_tochdr         hdr;
  76 #else
  77     struct ioc_toc_header       hdr;
  78 #endif
  79
  80     if (wcda->nTracks == 0) {
  81 #ifdef linux
  82         if (ioctl(wcda->unixdev, CDROMREADTOCHDR, &hdr))
  83 #else
  84         if (ioctl(wcda->unixdev, CDIOREADTOCHEADER, &hdr))
  85 #endif
  86         {
  87             WARN(cdaudio, "(%p) -- Error occured (%d)!\n", wcda, errno);
  88             return (WORD)-1;
  89         }
  90 #ifdef linux
  91         wcda->nFirstTrack = hdr.cdth_trk0;
  92         wcda->nLastTrack  = hdr.cdth_trk1;
  93 #else
  94         wcda->nFirstTrack = hdr.starting_track;
  95         wcda->nLastTrack  = hdr.ending_track;
  96 #endif
  97         wcda->nTracks = wcda->nLastTrack - wcda->nFirstTrack + 1;
  98     }
  99     return wcda->nTracks;
 100 #else
 101     return (WORD)-1;
 102 #endif
 103 }
 104
 105 /**************************************************************************
 106  *                      CDAUDIO_GetTracksInfo                   [internal]
 107  */
 108 BOOL CDAUDIO_GetTracksInfo(WINE_CDAUDIO* wcda)
 109 {
 110 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 111     int         i, length;
 112     int         start, last_start = 0;
 113     int         total_length = 0;
 114 #ifdef linux
 115     struct cdrom_tocentry       entry;
 116 #else
 117     struct ioc_read_toc_entry   entry;
 118     struct cd_toc_entry         toc_buffer;
 119 #endif
 120
 121     if (wcda->nTracks == 0) {
 122         if (CDAUDIO_GetNumberOfTracks(wcda) == (WORD)-1) return FALSE;
 123     }
 124     TRACE(cdaudio,"nTracks=%u\n", wcda->nTracks);
 125
 126     if (wcda->lpdwTrackLen != NULL)
 127         free(wcda->lpdwTrackLen);
 128     wcda->lpdwTrackLen = (LPDWORD)malloc((wcda->nTracks + 1) * sizeof(DWORD));
 129     if (wcda->lpdwTrackPos != NULL)
 130         free(wcda->lpdwTrackPos);
 131     wcda->lpdwTrackPos = (LPDWORD)malloc((wcda->nTracks + 1) * sizeof(DWORD));
 132     if (wcda->lpbTrackFlags != NULL)
 133         free(wcda->lpbTrackFlags);
 134     wcda->lpbTrackFlags = (LPBYTE)malloc((wcda->nTracks + 1) * sizeof(BYTE));
 135     if (wcda->lpdwTrackLen == NULL || wcda->lpdwTrackPos == NULL ||
 136         wcda->lpbTrackFlags == NULL) {
 137         WARN(cdaudio, "error allocating track table !\n");
 138         return FALSE;
 139     }
 140     memset(wcda->lpdwTrackLen, 0, (wcda->nTracks + 1) * sizeof(DWORD));
 141     memset(wcda->lpdwTrackPos, 0, (wcda->nTracks + 1) * sizeof(DWORD));
 142     memset(wcda->lpbTrackFlags, 0, (wcda->nTracks + 1) * sizeof(BYTE));
 143     for (i = 0; i <= wcda->nTracks; i++) {
 144         if (i == wcda->nTracks)
 145 #ifdef linux
 146             entry.cdte_track = CDROM_LEADOUT;
 147 #else
 148 #define LEADOUT 0xaa
 149         entry.starting_track = LEADOUT; /* XXX */
 150 #endif
 151         else
 152 #ifdef linux
 153             entry.cdte_track = i + 1;
 154 #else
 155         entry.starting_track = i + 1;
 156 #endif
 157 #ifdef linux
 158         entry.cdte_format = CDROM_MSF;
 159 #else
 160         bzero((char *)&toc_buffer, sizeof(toc_buffer));
 161         entry.address_format = CD_MSF_FORMAT;
 162         entry.data_len = sizeof(toc_buffer);
 163         entry.data = &toc_buffer;
 164 #endif
 165 #ifdef linux
 166         if (ioctl(wcda->unixdev, CDROMREADTOCENTRY, &entry))
 167 #else
 168         if (ioctl(wcda->unixdev, CDIOREADTOCENTRYS, &entry))
 169 #endif
 170         {
 171             WARN(cdaudio, "error read entry (%d)\n", errno);
 172             /* update status according to new status */
 173             CDAUDIO_GetCDStatus(wcda);
 174
 175             return FALSE;
 176         }
 177 #ifdef linux
 178         start = CDFRAMES_PERSEC * (SECONDS_PERMIN *
 179                                    entry.cdte_addr.msf.minute + entry.cdte_addr.msf.second) +
 180             entry.cdte_addr.msf.frame;
 181 #else
 182         start = CDFRAMES_PERSEC * (SECONDS_PERMIN *
 183                                    toc_buffer.addr.msf.minute + toc_buffer.addr.msf.second) +
 184             toc_buffer.addr.msf.frame;
 185 #endif
 186         if (i == 0) {
 187             last_start = start;
 188             wcda->dwFirstOffset = start;
 189             TRACE(cdaudio, "dwFirstOffset=%u\n", start);
 190         } else {
 191             length = start - last_start;
 192             last_start = start;
 193             start = last_start - length;
 194             total_length += length;
 195             wcda->lpdwTrackLen[i - 1] = length;
 196             wcda->lpdwTrackPos[i - 1] = start;
 197             TRACE(cdaudio, "track #%u start=%u len=%u\n", i, start, length);
 198         }
 199 #ifdef linux
 200         wcda->lpbTrackFlags[i] =
 201             (entry.cdte_adr << 4) | (entry.cdte_ctrl & 0x0f);
 202 #else
 203         wcda->lpbTrackFlags[i] =
 204             (toc_buffer.addr_type << 4) | (toc_buffer.control & 0x0f);
 205 #endif
 206         TRACE(cdaudio, "track #%u flags=%02x\n", i + 1, wcda->lpbTrackFlags[i]);
 207     }
 208     wcda->dwTotalLen = total_length;
 209     TRACE(cdaudio,"total_len=%u\n", total_length);
 210     return TRUE;
 211 #else
 212     return FALSE;
 213 #endif
 214 }
 215
 216 /**************************************************************************
 217  *                              CDAUDIO_GetCDStatus             [internal]
 218  */
 219 BOOL CDAUDIO_GetCDStatus(WINE_CDAUDIO* wcda)
 220 {
 221 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 222     int         oldmode = wcda->cdaMode;
 223 #ifdef linux
 224     wcda->sc.cdsc_format = CDROM_MSF;
 225 #else
 226     struct ioc_read_subchannel  read_sc;
 227
 228     read_sc.address_format = CD_MSF_FORMAT;
 229     read_sc.data_format    = CD_CURRENT_POSITION;
 230     read_sc.track          = 0;
 231     read_sc.data_len       = sizeof(wcda->sc);
 232     read_sc.data           = (struct cd_sub_channel_info *)&wcda->sc;
 233 #endif
 234 #ifdef linux
 235     if (ioctl(wcda->unixdev, CDROMSUBCHNL, &wcda->sc))
 236 #else
 237     if (ioctl(wcda->unixdev, CDIOCREADSUBCHANNEL, &read_sc))
 238 #endif
 239     {
 240         TRACE(cdaudio,"opened or no_media (%d)!\n", errno);
 241         wcda->cdaMode = WINE_CDA_OPEN; /* was NOT_READY */
 242         return TRUE;
 243     }
 244     switch (
 245 #ifdef linux
 246             wcda->sc.cdsc_audiostatus
 247 #else
 248             wcda->sc.header.audio_status
 249 #endif
 250             ) {
 251 #ifdef linux
 252     case CDROM_AUDIO_INVALID:
 253 #else
 254     case CD_AS_AUDIO_INVALID:
 255 #endif
 256         WARN(cdaudio, "device doesn't support status.\n");
 257         wcda->cdaMode = WINE_CDA_DONTKNOW;
 258         break;
 259 #ifdef linux
 260     case CDROM_AUDIO_NO_STATUS:
 261 #else
 262     case CD_AS_NO_STATUS:
 263 #endif
 264         wcda->cdaMode = WINE_CDA_STOP;
 265         TRACE(cdaudio,"WINE_CDA_STOP !\n");
 266         break;
 267 #ifdef linux
 268     case CDROM_AUDIO_PLAY:
 269 #else
 270     case CD_AS_PLAY_IN_PROGRESS:
 271 #endif
 272         wcda->cdaMode = WINE_CDA_PLAY;
 273         break;
 274 #ifdef linux
 275     case CDROM_AUDIO_PAUSED:
 276 #else
 277     case CD_AS_PLAY_PAUSED:
 278 #endif
 279         wcda->cdaMode = WINE_CDA_PAUSE;
 280         TRACE(cdaudio,"WINE_CDA_PAUSE !\n");
 281         break;
 282     default:
 283 #ifdef linux
 284         TRACE(cdaudio,"status=%02X !\n",
 285               wcda->sc.cdsc_audiostatus);
 286 #else
 287         TRACE(cdaudio,"status=%02X !\n",
 288               wcda->sc.header.audio_status);
 289 #endif
 290     }
 291 #ifdef linux
 292     wcda->nCurTrack = wcda->sc.cdsc_trk;
 293     wcda->dwCurFrame =
 294         CDFRAMES_PERMIN * wcda->sc.cdsc_absaddr.msf.minute +
 295         CDFRAMES_PERSEC * wcda->sc.cdsc_absaddr.msf.second +
 296         wcda->sc.cdsc_absaddr.msf.frame;
 297 #else
 298     wcda->nCurTrack = wcda->sc.what.position.track_number;
 299     wcda->dwCurFrame =
 300         CDFRAMES_PERMIN * wcda->sc.what.position.absaddr.msf.minute +
 301         CDFRAMES_PERSEC * wcda->sc.what.position.absaddr.msf.second +
 302         wcda->sc.what.position.absaddr.msf.frame;
 303 #endif
 304 #ifdef linux
 305     TRACE(cdaudio,"%02u-%02u:%02u:%02u \n",
 306           wcda->sc.cdsc_trk,
 307           wcda->sc.cdsc_absaddr.msf.minute,
 308           wcda->sc.cdsc_absaddr.msf.second,
 309           wcda->sc.cdsc_absaddr.msf.frame);
 310 #else
 311     TRACE(cdaudio,"%02u-%02u:%02u:%02u \n",
 312           wcda->sc.what.position.track_number,
 313           wcda->sc.what.position.absaddr.msf.minute,
 314           wcda->sc.what.position.absaddr.msf.second,
 315           wcda->sc.what.position.absaddr.msf.frame);
 316 #endif
 317
 318     if (oldmode != wcda->cdaMode && oldmode == WINE_CDA_OPEN) {
 319         if (!CDAUDIO_GetTracksInfo(wcda)) {
 320             WARN(cdaudio, "error updating TracksInfo !\n");
 321             return FALSE;
 322         }
 323     }
 324     return TRUE;
 325 #else
 326     return FALSE;
 327 #endif
 328 }
 329
 330 /**************************************************************************
 331  *                              CDAUDIO_Play                    [internal]
 332  */
 333 int     CDAUDIO_Play(WINE_CDAUDIO* wcda, DWORD start, DWORD end)
 334 {
 335 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 336 #ifdef linux
 337     struct      cdrom_msf       msf;
 338 #else
 339     struct      ioc_play_msf    msf;
 340 #endif
 341
 342 #ifdef linux
 343     msf.cdmsf_min0 = start / CDFRAMES_PERMIN;
 344     msf.cdmsf_sec0 = (start % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
 345     msf.cdmsf_frame0 = start % CDFRAMES_PERSEC;
 346     msf.cdmsf_min1 = end / CDFRAMES_PERMIN;
 347     msf.cdmsf_sec1 = (end % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
 348     msf.cdmsf_frame1 = end % CDFRAMES_PERSEC;
 349 #else
 350     msf.start_m     = start / CDFRAMES_PERMIN;
 351     msf.start_s     = (start % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
 352     msf.start_f     = start % CDFRAMES_PERSEC;
 353     msf.end_m       = end / CDFRAMES_PERMIN;
 354     msf.end_s       = (end % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
 355     msf.end_f       = end % CDFRAMES_PERSEC;
 356 #endif
 357 #ifdef linux
 358     if (ioctl(wcda->unixdev, CDROMSTART))
 359 #else
 360     if (ioctl(wcda->unixdev, CDIOCSTART, NULL))
 361 #endif
 362     {
 363         WARN(cdaudio, "motor doesn't start !\n");
 364         return -1;
 365     }
 366 #ifdef linux
 367     if (ioctl(wcda->unixdev, CDROMPLAYMSF, &msf))
 368 #else
 369     if (ioctl(wcda->unixdev, CDIOCPLAYMSF, &msf))
 370 #endif
 371     {
 372         WARN(cdaudio, "device doesn't play !\n");
 373         return -1;
 374     }
 375 #ifdef linux
 376     TRACE(cdaudio,"msf = %d:%d:%d %d:%d:%d\n",
 377           msf.cdmsf_min0, msf.cdmsf_sec0, msf.cdmsf_frame0,
 378           msf.cdmsf_min1, msf.cdmsf_sec1, msf.cdmsf_frame1);
 379 #else
 380     TRACE(cdaudio,"msf = %d:%d:%d %d:%d:%d\n",
 381           msf.start_m, msf.start_s, msf.start_f,
 382           msf.end_m,   msf.end_s,   msf.end_f);
 383 #endif
 384     return 0;
 385 #else
 386     return -1;
 387 #endif
 388 }
 389
 390 /**************************************************************************
 391  *                              CDAUDIO_Stop                    [internal]
 392  */
 393 int     CDAUDIO_Stop(WINE_CDAUDIO* wcda)
 394 {
 395 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 396     int ret = 0;
 397 #ifdef linux
 398     ret = ioctl(wcda->unixdev, CDROMSTOP);
 399 #else
 400     ret = ioctl(wcda->unixdev, CDIOCSTOP, NULL);
 401 #endif
 402     return ret;
 403 #else
 404     return -1;
 405 #endif
 406 }
 407
 408 /**************************************************************************
 409  *                              CDAUDIO_Pause                   [internal]
 410  */
 411 int     CDAUDIO_Pause(WINE_CDAUDIO* wcda, int pauseOn)
 412 {
 413 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 414     int ret = 0;
 415 #ifdef linux
 416     ret = ioctl(wcda->unixdev, pauseOn ? CDROMPAUSE : CDROMRESUME);
 417 #else
 418     ret = ioctl(wcda->unixdev, pauseOn ? CDIOCPAUSE : CDIOCRESUME, NULL);
 419 #endif
 420     return ret;
 421 #else
 422     return -1;
 423 #endif
 424 }
 425
 426 int     CDAUDIO_Seek(WINE_CDAUDIO* wcda, DWORD at)
 427 {
 428 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 429     int                         ret = 0;
 430 #ifdef linux
 431     struct cdrom_msf0           msf;
 432     msf.minute = at / CDFRAMES_PERMIN;
 433     msf.second = (at % CDFRAMES_PERMIN) / CDFRAMES_PERSEC;
 434     msf.frame  = at % CDFRAMES_PERSEC;
 435
 436    ret = ioctl(wcda->unixdev, CDROMSEEK, &msf);
 437 #else
 438    /* FIXME: the current end for play is lost
 439     * use end of CD ROM instead
 440     */
 441    FIXME(cdaudio, "Could a BSD expert implement the seek function ?\n");
 442    CDAUDIO_Play(wcda, at, wcda->lpdwTrackPos[wcda->nTracks] + wcda->lpdwTrackLen[wcda->nTracks]);
 443
 444 #endif
 445     return ret;
 446 #else
 447     return -1;
 448 #endif
 449 }
 450
 451 /**************************************************************************
 452  *                              CDAUDIO_SetDoor                 [internal]
 453  */
 454 int     CDAUDIO_SetDoor(WINE_CDAUDIO* wcda, int open)
 455 {
 456 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 457     int ret = 0;
 458 #ifdef linux
 459     if (open) {
 460         ret = ioctl(wcda->unixdev, CDROMEJECT);
 461     } else {
 462         ret = ioctl(wcda->unixdev, CDROMEJECT, 1);
 463     }
 464 #else
 465     ret = (ioctl(wcda->unixdev, CDIOCALLOW, NULL)) ||
 466         (ioctl(wcda->unixdev, open ? CDIOCEJECT : CDIOCCLOSE, NULL)) ||
 467         (ioctl(wcda->unixdev, CDIOCPREVENT, NULL));
 468 #endif
 469     wcda->nTracks = 0;
 470     return ret;
 471 #else
 472     return -1;
 473 #endif
 474 }
 475
 476 /**************************************************************************
 477  *                              CDAUDIO_Reset                   [internal]
 478  */
 479 int     CDAUDIO_Reset(WINE_CDAUDIO* wcda)
 480 {
 481 #if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
 482     int ret = 0;
 483 #ifdef linux
 484     ret = ioctl(wcda->unixdev, CDROMRESET);
 485 #else
 486     ret = ioctl(wcda->unixdev, CDIOCRESET, NULL);
 487 #endif
 488     return ret;
 489 #else
 490     return -1;
 491 #endif
 492 }
 493