1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862
|
/*
* $Id: plat_linux.c,v 1.8 1999/09/03 14:30:34 dirk Exp $
*
* This file is part of WorkMan, the civilized CD player program
* (c) 1991-1997 by Steven Grimm (original author)
* (c) by Dirk F"orsterling (current 'author' = maintainer)
* The maintainer can be contacted by his e-mail address:
* milliByte@DeathsDoor.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Linux-specific drive control routines. Very similar to the Sun module.
*/
#ifdef linux
/* Id for ident command */
static char plat_linux_id[] = "$Id: plat_linux.c,v 1.8 1999/09/03 14:30:34 dirk Exp $";
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <malloc.h>
#include <string.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include "config.h"
#if defined(BSD_MOUNTTEST)
#include <mntent.h>
#else
/*
* this is for glibc 2.x which defines ust structure in
* ustat.h not stat.h
*/
#ifdef __GLIBC__
#include <sys/ustat.h>
#endif
#endif
#include <sys/time.h>
#include <sys/ioctl.h>
#include <linux/cdrom.h>
#include "wmcdda.h"
#include "struct.h"
#include "proto.h"
#ifdef OSS_SUPPORT
#include <linux/soundcard.h>
#define CD_CHANNEL SOUND_MIXER_CD
#endif
#define max(a,b) ((a) > (b) ? (a) : (b))
#ifdef LINUX_SCSI_PASSTHROUGH
/* this is from <scsi/scsi_ioctl.h> */
# define SCSI_IOCTL_SEND_COMMAND 1
#endif
int min_volume = 0;
int max_volume = 255;
#ifdef OSS_SUPPORT
int mixer;
char mixer_dev_name[20] = "/dev/mixer";
#endif
extern char *cd_device, *cddaslave_path;
int cdda_slave = -1;
/*
* Wait for an acknowledgement from the CDDA slave.
*/
static int
get_ack(int fd)
{
#if defined(BUILD_CDDA) && defined(WMCDDA_DONE) /* { */
struct cdda_block blk;
do
if (read(fd, &blk, sizeof(blk)) <= 0)
return (0);
while (blk.status != WMCDDA_ACK);
#endif /* } */
return (1);
} /* get_ack() */
/*--------------------------------------------------------*
* Initialize the drive. A no-op for the generic driver.
*--------------------------------------------------------*/
int
gen_init( struct wm_drive *d )
{
#ifdef OSS_SUPPORT
static int mixer_usable = 1;
/*
* Open and use the mixer device to set volume
*/
if ( mixer_usable != 0 )
{
if( ( mixer = open( mixer_dev_name, O_RDWR, 0 ) ) == -1 )
{
perror( mixer_dev_name );
fprintf(stderr, "%s%s%s%s",
"To use the soundcard mixer you must have read-write access to /dev/mixer.\n",
"Either you have to be a member of the audio group or the mixer device must\n",
"be world readable and writeable. I will fall back to using the internal\n",
"CD-ROM mixer which is less flexible.\n\n" );
mixer_usable=0;
}
}
#endif
return (0);
} /* gen_init() */
/*
* Try to initialize the CDDA slave. Returns 0 on error.
*/
int
cdda_init( struct wm_drive *d )
{
#if defined(BUILD_CDDA) && defined(WMCDDA_DONE) /* { */
int slavefds[2];
if (cdda_slave > -1)
return (1);
fprintf( stderr, "slave okay\n" );
if (socketpair(AF_UNIX, SOCK_STREAM, 0, slavefds))
{
perror("socketpair");
return (0);
}
fprintf( stderr, "going to fork\n" );
switch (fork()) {
case 0:
close(slavefds[0]);
dup2(slavefds[1], 1);
dup2(slavefds[1], 0);
close(slavefds[1]);
close(d->fd);
/* Try the default path first. */
execl(cddaslave_path, cddaslave_path, cd_device, NULL);
/* Search $PATH if that didn't work. */
execlp("cddaslave", "cddaslave", cd_device, NULL);
perror(cddaslave_path);
exit(1);
case -1:
close(slavefds[0]);
close(slavefds[1]);
perror("fork");
return (0);
}
close(slavefds[1]);
cdda_slave = slavefds[0];
if (get_ack(cdda_slave))
about_set_drivetype("Digital Audio", "", "");
else
{
fprintf( stderr, "get_ack failed\n" );
cdda_slave = -1;
/* codec_start(); */
return (0);
}
return (1);
#else /* BUILD_CDDA } { */
/*
* If we're not building CDDA support, don't even bother trying.
*/
return (0);
#endif
} /* cdda_init() */
/*
* Turn off the CDDA slave.
*/
void
cdda_kill( struct wm_drive *d )
{
if (cdda_slave > -1)
{
write(cdda_slave, "Q", 1);
get_ack(cdda_slave);
wait(NULL);
cdda_slave = -1;
/* codec_start(); */
}
} /* cdda_kill() */
/*-------------------------------------*
* Get the number of tracks on the CD.
*-------------------------------------*/
int
gen_get_trackcount(struct wm_drive *d, int *tracks)
{
struct cdrom_tochdr hdr;
if (ioctl(d->fd, CDROMREADTOCHDR, &hdr))
return (-1);
*tracks = hdr.cdth_trk1;
return (0);
}
/*---------------------------------------------------------*
* Get the start time and mode (data or audio) of a track.
*---------------------------------------------------------*/
int
gen_get_trackinfo(struct wm_drive *d, int track, int *data, int *startframe)
{
struct cdrom_tocentry entry;
entry.cdte_track = track;
entry.cdte_format = CDROM_MSF;
if (ioctl(d->fd, CDROMREADTOCENTRY, &entry))
return (-1);
*startframe = entry.cdte_addr.msf.minute * 60 * 75 +
entry.cdte_addr.msf.second * 75 +
entry.cdte_addr.msf.frame;
*data = entry.cdte_ctrl & CDROM_DATA_TRACK ? 1 : 0;
return (0);
}
/*-------------------------------------*
* Get the number of frames on the CD.
*-------------------------------------*/
int
gen_get_cdlen(struct wm_drive *d, int *frames)
{
int tmp;
return (gen_get_trackinfo(d, CDROM_LEADOUT, &tmp, frames));
}
/* Alarm signal handler.
static void do_nothing(x) int x; { x++; }
*/
/*--------------------------------------------------------------------------*
* Get the current status of the drive: the current play mode, the absolute
* position from start of disc (in frames), and the current track and index
* numbers if the CD is playing or paused.
*--------------------------------------------------------------------------*/
int
gen_get_drive_status( struct wm_drive *d, enum cd_modes oldmode,
enum cd_modes *mode, int *pos, int *track, int *index )
{
struct cdrom_subchnl sc;
#ifdef SBPCD_HACK
static int prevpos = 0;
#endif
/* If we can't get status, the CD is ejected, so default to that. */
*mode = EJECTED;
/* Is the device open? */
if (d->fd < 0)
{
#ifdef SBPCD_HACK
switch (wmcd_open(d,0)) {
#else
switch (wmcd_open(d)) {
#endif
case -1: /* error */
return (-1);
case 1: /* retry */
return (0);
}
}
sc.cdsc_format = CDROM_MSF;
if (ioctl(d->fd, CDROMSUBCHNL, &sc))
return (0);
switch (sc.cdsc_audiostatus) {
case CDROM_AUDIO_PLAY:
*mode = PLAYING;
*track = sc.cdsc_trk;
*index = sc.cdsc_ind;
*pos = sc.cdsc_absaddr.msf.minute * 60 * 75 +
sc.cdsc_absaddr.msf.second * 75 +
sc.cdsc_absaddr.msf.frame;
#ifdef SBPCD_HACK
if( *pos < prevpos )
{
if( (prevpos - *pos) < 75 )
{
*mode = TRACK_DONE;
}
}
prevpos = *pos;
#endif
break;
case CDROM_AUDIO_PAUSED:
case CDROM_AUDIO_NO_STATUS:
case CDROM_AUDIO_INVALID: /**/
if (oldmode == PLAYING || oldmode == PAUSED)
{
*mode = PAUSED;
*track = sc.cdsc_trk;
*index = sc.cdsc_ind;
*pos = sc.cdsc_absaddr.msf.minute * 60 * 75 +
sc.cdsc_absaddr.msf.second * 75 +
sc.cdsc_absaddr.msf.frame;
}
else
*mode = STOPPED;
break;
case CDROM_AUDIO_COMPLETED:
*mode = TRACK_DONE; /* waiting for next track. */
break;
default:
*mode = UNKNOWN;
break;
}
return (0);
}
/*------------------------------------------------------------------------*
* scale_volume(vol, max)
*
* Return a volume value suitable for passing to the CD-ROM drive. "vol"
* is a volume slider setting; "max" is the slider's maximum value.
* This is not used if sound card support is enabled.
*
*------------------------------------------------------------------------*/
int
scale_volume( int vol, int max )
{
#ifdef CURVED_VOLUME
return ((max * max - (max - vol) * (max - vol)) *
(max_volume - min_volume) / (max * max) + min_volume);
#else
return ((vol * (max_volume - min_volume)) / max + min_volume);
#endif
} /* scale_volume() */
/*---------------------------------------------------------------------*
* Set the volume level for the left and right channels. Their values
* range from 0 to 100.
*---------------------------------------------------------------------*/
int
gen_set_volume( struct wm_drive *d, int left, int right )
{
struct cdrom_volctrl v;
#ifdef OSS_SUPPORT
int vol;
if( mixer >= 0 )
{
left = left < 0 ? 0 : left > 100 ? 100 : left;
right = right < 0 ? 0 : right > 100 ? 100 : right;
vol = ( 0x007f & left ) | ( 0x7f00 & ( right << 8 ) );
if( ioctl( mixer, MIXER_WRITE( CD_CHANNEL ), &vol ) == -1 )
{
perror( "MIXER_WRITE" );
return ( -1 );
}
return ( 0 );
}
#endif
/* Adjust the volume to make up for the CD-ROM drive's weirdness. */
left = scale_volume(left, 100);
right = scale_volume(right, 100);
v.channel0 = v.channel2 = left < 0 ? 0 : left > 255 ? 255 : left;
v.channel1 = v.channel3 = right < 0 ? 0 : right > 255 ? 255 : right;
return (ioctl(d->fd, CDROMVOLCTRL, &v));
}
/*---------------*
* Pause the CD.
*---------------*/
int
gen_pause(d)
struct wm_drive *d;
{
return (ioctl(d->fd, CDROMPAUSE));
}
/*-------------------------------------------------*
* Resume playing the CD (assuming it was paused.)
*-------------------------------------------------*/
int
gen_resume(struct wm_drive *d)
{
return (ioctl(d->fd, CDROMRESUME));
}
/*--------------*
* Stop the CD.
*--------------*/
int
gen_stop(struct wm_drive *d)
{
return (ioctl(d->fd, CDROMSTOP));
}
/*------------------------------------------------------------*
* Play the CD from one position to another (both in frames.)
*------------------------------------------------------------*/
int
gen_play(struct wm_drive *d, int start, int end)
{
struct cdrom_msf msf;
msf.cdmsf_min0 = start / (60*75);
msf.cdmsf_sec0 = (start % (60*75)) / 75;
msf.cdmsf_frame0 = start % 75;
msf.cdmsf_min1 = end / (60*75);
msf.cdmsf_sec1 = (end % (60*75)) / 75;
msf.cdmsf_frame1 = end % 75;
#ifndef FAST_IDE
if (ioctl(d->fd, CDROMSTART))
return (-1);
#endif
if (ioctl(d->fd, CDROMPLAYMSF, &msf))
return (-2);
return (0);
}
/*----------------------------------------*
* Eject the current CD, if there is one.
*----------------------------------------*/
int
gen_eject(struct wm_drive *d)
{
struct stat stbuf;
#if !defined(BSD_MOUNTTEST)
struct ustat ust;
#else
struct mntent *mnt;
FILE *fp;
#endif
if (fstat(d->fd, &stbuf) != 0)
return (-2);
/* Is this a mounted filesystem? */
#if !defined(BSD_MOUNTTEST)
if (ustat(stbuf.st_rdev, &ust) == 0)
return (-3);
#else
/*
* This is the same test as in the WorkBone interface.
* I should eliminate it there, because there is no need
* for it in the UI
*/
/* check if drive is mounted (from Mark Buckaway's cdplayer code) */
/* Changed it again (look at XPLAYCD from ???? */
/* It's better to check the device name rather than one device is */
/* mounted as iso9660. That prevents "no playing" if you have more*/
/* than one CD-ROM, and one of them is mounted, but it's not the */
/* audio CD -dirk */
if ((fp = setmntent (MOUNTED, "r")) == NULL)
{
fprintf (stderr, "Could not open %s: %s\n", MOUNTED, strerror (errno));
return(-3);
}
while ((mnt = getmntent (fp)) != NULL)
{
if (strcmp (mnt->mnt_fsname, cd_device) == 0)
{
fputs ("CDROM already mounted (according to mtab). Operation aborted.\n", stderr);
endmntent (fp);
return(-3);
}
}
endmntent (fp);
#endif /* BSD_MOUNTTEST */
if (ioctl(d->fd, CDROMEJECT))
return (-1);
/*------------------
* Things in "foobar_one" are left over from 1.4b3
* I put them here for further observation. In 1.4b3, however,
* that workaround didn't help at least for /dev/sbpcd
* (The tray closed just after ejecting because re-opening the
* device causes the tray to close)
*------------------*/
#ifdef foobar_one
extern int intermittent_dev
/*
* Some drives (drivers?) won't recognize a new CD if we leave the
* device open.
*/
if (intermittent_dev)
{
close(d->fd);
d->fd = -1;
}
#endif
return (0);
} /* gen_eject() */
/*----------------------------------------*
* Close the CD tray
*----------------------------------------*/
int gen_closetray(struct wm_drive *d)
{
#ifdef CAN_CLOSE
if(!close(d->fd))
{
d->fd=-1;
#if defined(SBPCD_HACK)
return(wmcd_open(d, 1));
#else
return(wmcd_open(d));
#endif
} else {
#endif /* CAN_CLOSE */
return(-1);
}
} /* gen_closetray() */
/*--------------------------------*
* Keep the CD open all the time.
* disabled, analogous to 1.4b3
*--------------------------------*
void
keep_cd_open( void )
{
int fd;
struct flock fl;
extern end;
for (fd = 0; fd < 256; fd++)
close(fd);
if (fork())
exit(0);
if ((fd = open("/tmp/cd.lock", O_RDWR | O_CREAT, 0666)) < 0)
exit(0);
fl.l_type = F_WRLCK;
fl.l_whence = 0;
fl.l_start = 0;
fl.l_len = 0;
if (fcntl(fd, F_SETLK, &fl) < 0)
exit(0);
if (open(cd_device, 0) >= 0)
{
brk(&end);
pause();
}
exit(0);
}
*/
/*---------------------------------------------------------------------*
* Read the initial volume from the drive, if available. Each channel
* ranges from 0 to 100, with -1 indicating data not available.
*---------------------------------------------------------------------*/
int
gen_get_volume( struct wm_drive *d, int *left, int *right )
{
#if defined(BUILD_CDDA) && defined(WMCDDA_DONE) /* { */
struct cdda_block blk;
if (cdda_slave > -1)
{
write(cdda_slave, "G", 1);
get_ack(cdda_slave);
read(cdda_slave, &blk, sizeof(blk));
*left = *right = (blk.volume * 100 + 254) / 255;
if (blk.balance < 110)
*right = (((blk.volume * blk.balance + 127) / 128) *
100 + 254) / 255;
else if (blk.balance > 146)
*left = (((blk.volume * (255 - blk.balance) +
127) / 128) * 100 + 254) / 255;
return (0);
}
#else /* } */
#ifdef OSS_SUPPORT
int vol;
if( mixer >= 0)
{
if( ioctl( mixer, MIXER_READ( CD_CHANNEL ), &vol ) == -1 )
{
perror( "MIXER_READ" );
*left = *right = -1;
}
*right = 0x007f & ( vol >> 8 );
*left = 0x007f & vol;
return (0);
}
#endif
/* Suns, HPs, Linux, NEWS can't read the volume; oh well */
*left = *right = -1;
#endif
return (0);
}
#ifdef BUILD_CDDA /* { */
/*
* Tell the CDDA slave to set the play direction.
*/
void
gen_set_direction( int newdir )
{
unsigned char buf[2];
if (cdda_slave > -1)
{
buf[0] = 'd';
buf[1] = newdir;
write(cdda_slave, buf, 2);
get_ack(cdda_slave);
}
}
/*
* Tell the CDDA slave to set the play speed.
*/
void
gen_set_speed( int speed )
{
unsigned char buf[2];
if (cdda_slave > -1)
{
buf[0] = 's';
buf[1] = speed;
write(cdda_slave, buf, 2);
get_ack(cdda_slave);
}
}
/*
* Tell the CDDA slave to set the loudness level.
*/
void
gen_set_loudness( int loud )
{
unsigned char buf[2];
if (cdda_slave > -1)
{
buf[0] = 'L';
buf[1] = loud;
write(cdda_slave, buf, 2);
get_ack(cdda_slave);
}
}
/*
* Tell the CDDA slave to start (or stop) saving to a file.
*/
void
gen_save( char *filename )
{
int len;
if (filename == NULL || filename[0] == '\0')
len = 0;
else
len = strlen(filename);
write(cdda_slave, "F", 1);
write(cdda_slave, &len, sizeof(len));
if (len)
write(cdda_slave, filename, len);
get_ack(cdda_slave);
}
#endif /* BUILD_CDDA } */
/*---------------------------------------------*
* Send an arbitrary SCSI command to a device.
*---------------------------------------------*/
int
wm_scsi( struct wm_drive *d, unsigned char *cdb, int cdblen,
void *retbuf, int retbuflen, int getreply )
{
#ifdef LINUX_SCSI_PASSTHROUGH
char *cmd;
int cmdsize;
cmdsize = 2 * sizeof(int);
if (retbuf)
{
if (getreply) cmdsize += max(cdblen, retbuflen);
else cmdsize += (cdblen + retbuflen);
}
else cmdsize += cdblen;
cmd = malloc(cmdsize);
if (cmd == NULL)
return (-1);
((int*)cmd)[0] = cdblen + ((retbuf && !getreply) ? retbuflen : 0);
((int*)cmd)[1] = ((retbuf && getreply) ? retbuflen : 0);
memcpy(cmd + 2*sizeof(int), cdb, cdblen);
if (retbuf && !getreply)
memcpy(cmd + 2*sizeof(int) + cdblen, retbuf, retbuflen);
if (ioctl(d->fd, SCSI_IOCTL_SEND_COMMAND, cmd))
{
#ifdef SCSI_DEBUG
printf("%s: ioctl() failure\n", __FILE__);
printf("command buffer is:\n");
printf("%02x %02x %02x %02x %02x %02x\n",
cmd[0], cmd[1], cmd[2], cmd[3], cmd[4], cmd[5]);
#endif
free(cmd);
return (-1);
}
if (retbuf && getreply)
memcpy(retbuf, cmd + 2*sizeof(int), retbuflen);
free(cmd);
return 0;
#else
return (-1);
#endif
}
/*---------------------------------------------------------------------------*
* Open the CD device and figure out what kind of drive is attached.
*
* new parameter "i" introduced for Linux platform with some special drivers
* inserted by milliByte@DeathsDoor.com 1997-06-10
*
*---------------------------------------------------------------------------*/
int
#ifdef SBPCD_HACK
wmcd_open( struct wm_drive *d, int i )
#else
wmcd_open( struct wm_drive *d )
#endif
{
int fd;
static int warned = 0;
int retval = 0;
#ifdef LINUX_SCSI_PASSTHROUGH
char vendor[32], model[32], rev[32];
#endif
if (cd_device == NULL)
cd_device = DEFAULT_CD_DEVICE;
if( d->fd >= 0 ) /* Device already open? */
{
#ifdef SBPCD_HACK
if( i == 1) /* ... but re-open it, please */
{
close( d->fd );
} else
#endif
return (0);
}
d->fd = open(cd_device, O_RDONLY | O_NONBLOCK);
if (d->fd < 0)
{
if (errno == EACCES)
{
if (!warned)
{
fprintf(stderr,
"As root, please run\n\nchmod 666 %s\n\n%s\n", cd_device,
"to give yourself permission to access the CD-ROM device.");
warned++;
fprintf(stderr, "Thank you.\n");
}
}
/* Hack proposed by Carey Evans, introduced by Debian maintainer :
* treat EIO like ENXIO since some Linux drives do never return ENXIO
*/
else if ((errno != ENXIO) && (errno != EIO))
{
perror(cd_device);
exit(1);
}
/* No CD in drive. */
retval = 1;
}
/* Now fill in the relevant parts of the wm_drive structure. */
fd = d->fd;
#ifdef LINUX_SCSI_PASSTHROUGH
/* Can we figure out the drive type? */
vendor[0] = model[0] = rev[0] = '\0';
wm_scsi_get_drive_type(d, vendor, model, rev);
*d = *(find_drive_struct(vendor, model, rev));
about_set_drivetype(d->vendor, d->model, rev);
#else
*d = *(find_drive_struct("Generic", "drive type", ""));
/* about_set_drivetype("Generic", "drive type", "*"); */
#endif
d->fd = fd;
(d->init)(d);
return retval;
}
#endif /* linux */
|