47#undef SCD_DEBUG 48 49#include <sys/param.h> 50#include <sys/systm.h> 51#include <sys/kernel.h> 52#include <sys/conf.h> 53#include <sys/fcntl.h> 54#include <sys/bio.h> 55#include <sys/cdio.h> 56#include <sys/disk.h> 57#include <sys/bus.h> 58 59#include <machine/stdarg.h> 60 61#include <machine/bus_pio.h> 62#include <machine/bus.h> 63#include <machine/resource.h> 64#include <sys/rman.h> 65 66#include <isa/isavar.h> 67 68#include <dev/scd/scdreg.h> 69#include <dev/scd/scdvar.h> 70 71/* flags */ 72#define SCDOPEN 0x0001 /* device opened */ 73#define SCDVALID 0x0002 /* parameters loaded */ 74#define SCDINIT 0x0004 /* device is init'd */ 75#define SCDPROBING 0x0020 /* probing */ 76#define SCDTOC 0x0100 /* already read toc */ 77#define SCDMBXBSY 0x0200 /* local mbx is busy */ 78#define SCDSPINNING 0x0400 /* drive is spun up */ 79 80#define SCD_S_BEGIN 0 81#define SCD_S_BEGIN1 1 82#define SCD_S_WAITSTAT 2 83#define SCD_S_WAITFIFO 3 84#define SCD_S_WAITSPIN 4 85#define SCD_S_WAITREAD 5 86#define SCD_S_WAITPARAM 6 87 88#define RDELAY_WAIT 300 89#define RDELAY_WAITREAD 300 90 91#define SCDBLKSIZE 2048 92 93#ifdef SCD_DEBUG 94 static int scd_debuglevel = SCD_DEBUG; 95# define XDEBUG(sc, level, fmt, args...) \ 96 do { \ 97 if (scd_debuglevel >= level) \ 98 device_printf(sc->dev, fmt, ## args); \ 99 } while (0) 100#else 101# define XDEBUG(sc, level, fmt, args...) 102#endif 103 104#define IS_ATTENTION(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_ATTENTION) != 0) 105#define IS_BUSY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_BUSY) != 0) 106#define IS_DATA_RDY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_DATA_READY) != 0) 107#define STATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_STATUS) & (bit)) != 0) 108#define FSTATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_FSTATUS) & (bit)) != 0) 109 110/* prototypes */ 111static void hsg2msf(int hsg, bcd_t *msf); 112static int msf2hsg(bcd_t *msf); 113 114static void process_attention(struct scd_softc *); 115static int waitfor_status_bits(struct scd_softc *, int bits_set, int bits_clear); 116static int send_cmd(struct scd_softc *, u_char cmd, u_int nargs, ...); 117static void init_drive(struct scd_softc *); 118static int spin_up(struct scd_softc *); 119static int read_toc(struct scd_softc *); 120static int get_result(struct scd_softc *, int result_len, u_char *result); 121static void print_error(struct scd_softc *, int errcode); 122 123static void scd_start(struct scd_softc *); 124static timeout_t scd_timeout; 125static void scd_doread(struct scd_softc *, int state, struct scd_mbx *mbxin); 126 127static int scd_eject(struct scd_softc *); 128static int scd_stop(struct scd_softc *); 129static int scd_pause(struct scd_softc *); 130static int scd_resume(struct scd_softc *); 131static int scd_playtracks(struct scd_softc *, struct ioc_play_track *pt); 132static int scd_playmsf(struct scd_softc *, struct ioc_play_msf *msf); 133static int scd_play(struct scd_softc *, struct ioc_play_msf *msf); 134static int scd_subchan(struct scd_softc *, struct ioc_read_subchannel *sch); 135static int read_subcode(struct scd_softc *, struct sony_subchannel_position_data *sch); 136 137/* for xcdplayer */ 138static int scd_toc_header(struct scd_softc *, struct ioc_toc_header *th); 139static int scd_toc_entrys(struct scd_softc *, struct ioc_read_toc_entry *te); 140static int scd_toc_entry(struct scd_softc *, struct ioc_read_toc_single_entry *te); 141#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 142 143static d_open_t scdopen; 144static d_close_t scdclose; 145static d_ioctl_t scdioctl; 146static d_strategy_t scdstrategy; 147 148#define CDEV_MAJOR 45 149 150static struct cdevsw scd_cdevsw = { 151 .d_open = scdopen, 152 .d_close = scdclose, 153 .d_read = physread, 154 .d_ioctl = scdioctl, 155 .d_strategy = scdstrategy, 156 .d_name = "scd", 157 .d_maj = CDEV_MAJOR, 158 .d_flags = D_DISK, 159}; 160 161int 162scd_attach(struct scd_softc *sc) 163{ 164 int unit; 165 166 unit = device_get_unit(sc->dev); 167 168 init_drive(sc); 169 170 sc->data.flags = SCDINIT; 171 sc->data.audio_status = CD_AS_AUDIO_INVALID; 172 bioq_init(&sc->data.head); 173 174 sc->scd_dev_t = make_dev(&scd_cdevsw, 8 * unit, 175 UID_ROOT, GID_OPERATOR, 0640, "scd%d", unit); 176 sc->scd_dev_t->si_drv1 = (void *)sc; 177 178 return (0); 179} 180 181static int 182scdopen(dev_t dev, int flags, int fmt, struct thread *td) 183{ 184 struct scd_softc *sc; 185 int rc; 186 187 sc = (struct scd_softc *)dev->si_drv1; 188 189 /* not initialized*/ 190 if (!(sc->data.flags & SCDINIT)) 191 return (ENXIO); 192 193 /* invalidated in the meantime? mark all open part's invalid */ 194 if (sc->data.openflag) 195 return (ENXIO); 196 197 XDEBUG(sc, 1, "DEBUG: status = 0x%x\n", SCD_READ(sc, IREG_STATUS)); 198 199 if ((rc = spin_up(sc)) != 0) { 200 print_error(sc, rc); 201 return (EIO); 202 } 203 if (!(sc->data.flags & SCDTOC)) { 204 int loop_count = 3; 205 206 while (loop_count-- > 0 && (rc = read_toc(sc)) != 0) { 207 if (rc == ERR_NOT_SPINNING) { 208 rc = spin_up(sc); 209 if (rc) { 210 print_error(sc, rc);\ 211 return (EIO); 212 } 213 continue; 214 } 215 device_printf(sc->dev, "TOC read error 0x%x\n", rc); 216 return (EIO); 217 } 218 } 219 220 dev->si_bsize_phys = sc->data.blksize; 221 222 sc->data.openflag = 1; 223 sc->data.flags |= SCDVALID; 224 225 return (0); 226} 227 228static int 229scdclose(dev_t dev, int flags, int fmt, struct thread *td) 230{ 231 struct scd_softc *sc; 232 233 sc = (struct scd_softc *)dev->si_drv1; 234 235 if (!(sc->data.flags & SCDINIT) || !sc->data.openflag) 236 return (ENXIO); 237 238 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS) { 239 (void)send_cmd(sc, CMD_SPIN_DOWN, 0); 240 sc->data.flags &= ~SCDSPINNING; 241 } 242 243 244 /* close channel */ 245 sc->data.openflag = 0; 246 247 return (0); 248} 249 250static void 251scdstrategy(struct bio *bp) 252{ 253 int s; 254 struct scd_softc *sc; 255 256 sc = (struct scd_softc *)bp->bio_dev->si_drv1; 257 258 XDEBUG(sc, 2, "DEBUG: strategy: block=%ld, bcount=%ld\n", 259 (long)bp->bio_blkno, bp->bio_bcount); 260 261 if (bp->bio_blkno < 0 || (bp->bio_bcount % SCDBLKSIZE)) { 262 device_printf(sc->dev, "strategy failure: blkno = %ld, bcount = %ld\n", 263 (long)bp->bio_blkno, bp->bio_bcount); 264 bp->bio_error = EINVAL; 265 bp->bio_flags |= BIO_ERROR; 266 goto bad; 267 } 268 269 /* if device invalidated (e.g. media change, door open), error */ 270 if (!(sc->data.flags & SCDVALID)) { 271 device_printf(sc->dev, "media changed\n"); 272 bp->bio_error = EIO; 273 goto bad; 274 } 275 276 /* read only */ 277 if (!(bp->bio_cmd == BIO_READ)) { 278 bp->bio_error = EROFS; 279 goto bad; 280 } 281 282 /* no data to read */ 283 if (bp->bio_bcount == 0) 284 goto done; 285 286 if (!(sc->data.flags & SCDTOC)) { 287 bp->bio_error = EIO; 288 goto bad; 289 } 290 291 bp->bio_pblkno = bp->bio_blkno; 292 bp->bio_resid = 0; 293 294 /* queue it */ 295 s = splbio(); 296 bioq_disksort(&sc->data.head, bp); 297 splx(s); 298 299 /* now check whether we can perform processing */ 300 scd_start(sc); 301 return; 302 303bad: 304 bp->bio_flags |= BIO_ERROR; 305done: 306 bp->bio_resid = bp->bio_bcount; 307 biodone(bp); 308 return; 309} 310 311static void 312scd_start(struct scd_softc *sc) 313{ 314 struct bio *bp; 315 int s = splbio(); 316 317 if (sc->data.flags & SCDMBXBSY) { 318 splx(s); 319 return; 320 } 321 322 bp = bioq_first(&sc->data.head); 323 if (bp != 0) { 324 /* block found to process, dequeue */ 325 bioq_remove(&sc->data.head, bp); 326 sc->data.flags |= SCDMBXBSY; 327 splx(s); 328 } else { 329 /* nothing to do */ 330 splx(s); 331 return; 332 } 333 334 sc->data.mbx.retry = 3; 335 sc->data.mbx.bp = bp; 336 splx(s); 337 338 scd_doread(sc, SCD_S_BEGIN, &(sc->data.mbx)); 339 return; 340} 341 342static int 343scdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td) 344{ 345 struct scd_softc *sc; 346 347 sc = (struct scd_softc *)dev->si_drv1; 348 349 XDEBUG(sc, 1, "ioctl: cmd=0x%lx\n", cmd); 350 351 if (!(sc->data.flags & SCDVALID)) 352 return (EIO); 353 354 switch (cmd) { 355 case DIOCGMEDIASIZE: 356 *(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize; 357 return (0); 358 break; 359 case DIOCGSECTORSIZE: 360 *(u_int *)addr = sc->data.blksize; 361 return (0); 362 break; 363 case CDIOCPLAYTRACKS: 364 return scd_playtracks(sc, (struct ioc_play_track *) addr); 365 case CDIOCPLAYBLOCKS: 366 return (EINVAL); 367 case CDIOCPLAYMSF: 368 return scd_playmsf(sc, (struct ioc_play_msf *) addr); 369 case CDIOCREADSUBCHANNEL: 370 return scd_subchan(sc, (struct ioc_read_subchannel *) addr); 371 case CDIOREADTOCHEADER: 372 return scd_toc_header (sc, (struct ioc_toc_header *) addr); 373 case CDIOREADTOCENTRYS: 374 return scd_toc_entrys (sc, (struct ioc_read_toc_entry*) addr); 375 case CDIOREADTOCENTRY: 376 return scd_toc_entry (sc, (struct ioc_read_toc_single_entry*) addr); 377 case CDIOCSETPATCH: 378 case CDIOCGETVOL: 379 case CDIOCSETVOL: 380 case CDIOCSETMONO: 381 case CDIOCSETSTERIO: 382 case CDIOCSETMUTE: 383 case CDIOCSETLEFT: 384 case CDIOCSETRIGHT: 385 return (EINVAL); 386 case CDIOCRESUME: 387 return scd_resume(sc); 388 case CDIOCPAUSE: 389 return scd_pause(sc); 390 case CDIOCSTART: 391 return (EINVAL); 392 case CDIOCSTOP: 393 return scd_stop(sc); 394 case CDIOCEJECT: 395 return scd_eject(sc); 396 case CDIOCALLOW: 397 return (0); 398 case CDIOCSETDEBUG: 399#ifdef SCD_DEBUG 400 scd_debuglevel++; 401#endif 402 return (0); 403 case CDIOCCLRDEBUG: 404#ifdef SCD_DEBUG 405 scd_debuglevel = 0; 406 407#endif 408 return (0); 409 default: 410 device_printf(sc->dev, "unsupported ioctl (cmd=0x%lx)\n", cmd); 411 return (ENOTTY); 412 } 413} 414 415/*************************************************************** 416 * lower level of driver starts here 417 **************************************************************/ 418 419static int 420scd_playtracks(struct scd_softc *sc, struct ioc_play_track *pt) 421{ 422 struct ioc_play_msf msf; 423 int a = pt->start_track; 424 int z = pt->end_track; 425 int rc; 426 427 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 428 if (rc == -ERR_NOT_SPINNING) { 429 if (spin_up(sc) != 0) 430 return (EIO); 431 rc = read_toc(sc); 432 } 433 if (rc != 0) { 434 print_error(sc, rc); 435 return (EIO); 436 } 437 } 438 439 XDEBUG(sc, 1, "playtracks from %d:%d to %d:%d\n", 440 a, pt->start_index, z, pt->end_index); 441 442 if ( a < sc->data.first_track 443 || a > sc->data.last_track 444 || a > z 445 || z > sc->data.last_track) 446 return (EINVAL); 447 448 bcopy(sc->data.toc[a].start_msf, &msf.start_m, 3); 449 hsg2msf(msf2hsg(sc->data.toc[z+1].start_msf)-1, &msf.end_m); 450 451 return scd_play(sc, &msf); 452} 453 454/* The start/end msf is expected to be in bin format */ 455static int 456scd_playmsf(struct scd_softc *sc, struct ioc_play_msf *msfin) 457{ 458 struct ioc_play_msf msf; 459 460 msf.start_m = bin2bcd(msfin->start_m); 461 msf.start_s = bin2bcd(msfin->start_s); 462 msf.start_f = bin2bcd(msfin->start_f); 463 msf.end_m = bin2bcd(msfin->end_m); 464 msf.end_s = bin2bcd(msfin->end_s); 465 msf.end_f = bin2bcd(msfin->end_f); 466 467 return scd_play(sc, &msf); 468} 469 470/* The start/end msf is expected to be in bcd format */ 471static int 472scd_play(struct scd_softc *sc, struct ioc_play_msf *msf) 473{ 474 int i, rc; 475 476 XDEBUG(sc, 1, "playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", 477 msf->start_m, msf->start_s, msf->start_f, 478 msf->end_m, msf->end_s, msf->end_f); 479 480 for (i = 0; i < 2; i++) { 481 rc = send_cmd(sc, CMD_PLAY_AUDIO, 7, 482 0x03, 483 msf->start_m, msf->start_s, msf->start_f, 484 msf->end_m, msf->end_s, msf->end_f); 485 if (rc == -ERR_NOT_SPINNING) { 486 sc->data.flags &= ~SCDSPINNING; 487 if (spin_up(sc) != 0) 488 return (EIO); 489 } else if (rc < 0) { 490 print_error(sc, rc); 491 return (EIO); 492 } else { 493 break; 494 } 495 } 496 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS; 497 bcopy((char *)msf, (char *)&sc->data.last_play, sizeof(struct ioc_play_msf)); 498 return (0); 499} 500 501static int 502scd_stop(struct scd_softc *sc) 503{ 504 505 (void)send_cmd(sc, CMD_STOP_AUDIO, 0); 506 sc->data.audio_status = CD_AS_PLAY_COMPLETED; 507 return (0); 508} 509 510static int 511scd_pause(struct scd_softc *sc) 512{ 513 struct sony_subchannel_position_data subpos; 514 515 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS) 516 return (EINVAL); 517 518 if (read_subcode(sc, &subpos) != 0) 519 return (EIO); 520 521 if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0) 522 return (EIO); 523 524 sc->data.last_play.start_m = subpos.abs_msf[0]; 525 sc->data.last_play.start_s = subpos.abs_msf[1]; 526 sc->data.last_play.start_f = subpos.abs_msf[2]; 527 sc->data.audio_status = CD_AS_PLAY_PAUSED; 528 529 XDEBUG(sc, 1, "pause @ %02x:%02x:%02x\n", 530 sc->data.last_play.start_m, 531 sc->data.last_play.start_s, 532 sc->data.last_play.start_f); 533 534 return (0); 535} 536 537static int 538scd_resume(struct scd_softc *sc) 539{ 540 541 if (sc->data.audio_status != CD_AS_PLAY_PAUSED) 542 return (EINVAL); 543 return scd_play(sc, &sc->data.last_play); 544} 545 546static int 547scd_eject(struct scd_softc *sc) 548{ 549 550 sc->data.audio_status = CD_AS_AUDIO_INVALID; 551 sc->data.flags &= ~(SCDSPINNING|SCDTOC); 552 553 if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0 || 554 send_cmd(sc, CMD_SPIN_DOWN, 0) != 0 || 555 send_cmd(sc, CMD_EJECT, 0) != 0) 556 { 557 return (EIO); 558 } 559 return (0); 560} 561 562static int 563scd_subchan(struct scd_softc *sc, struct ioc_read_subchannel *sch) 564{ 565 struct sony_subchannel_position_data q; 566 struct cd_sub_channel_info data; 567 568 XDEBUG(sc, 1, "subchan af=%d, df=%d\n", 569 sch->address_format, sch->data_format); 570 571 if (sch->address_format != CD_MSF_FORMAT) 572 return (EINVAL); 573 574 if (sch->data_format != CD_CURRENT_POSITION) 575 return (EINVAL); 576 577 if (read_subcode(sc, &q) != 0) 578 return (EIO); 579 580 data.header.audio_status = sc->data.audio_status; 581 data.what.position.data_format = CD_MSF_FORMAT; 582 data.what.position.track_number = bcd2bin(q.track_number); 583 data.what.position.reladdr.msf.unused = 0; 584 data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 585 data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 586 data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 587 data.what.position.absaddr.msf.unused = 0; 588 data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 589 data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 590 data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 591 592 if (copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len))!=0) 593 return (EFAULT); 594 return (0); 595} 596 597int 598scd_probe(struct scd_softc *sc) 599{ 600 struct sony_drive_configuration drive_config; 601 int rc; 602 static char namebuf[8+16+8+3]; 603 char *s = namebuf; 604 int loop_count = 0; 605 606 sc->data.flags = SCDPROBING; 607 608 bzero(&drive_config, sizeof(drive_config)); 609 610again: 611 /* Reset drive */ 612 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESET_DRIVE); 613 614 /* Calm down */ 615 DELAY(300000); 616 617 /* Only the ATTENTION bit may be set */ 618 if ((SCD_READ(sc, IREG_STATUS) & ~1) != 0) { 619 XDEBUG(sc, 1, "too many bits set. probe failed.\n"); 620 return (ENXIO); 621 } 622 rc = send_cmd(sc, CMD_GET_DRIVE_CONFIG, 0); 623 if (rc != sizeof(drive_config)) { 624 /* Sometimes if the drive is playing audio I get */ 625 /* the bad result 82. Fix by repeating the reset */ 626 if (rc > 0 && loop_count++ == 0) 627 goto again; 628 return (ENXIO); 629 } 630 if (get_result(sc, rc, (u_char *)&drive_config) != 0) 631 return (ENXIO); 632 633 bcopy(drive_config.vendor, namebuf, 8); 634 s = namebuf+8; 635 while (*(s-1) == ' ') /* Strip trailing spaces */ 636 s--; 637 *s++ = ' '; 638 bcopy(drive_config.product, s, 16); 639 s += 16; 640 while (*(s-1) == ' ') 641 s--; 642 *s++ = ' '; 643 bcopy(drive_config.revision, s, 8); 644 s += 8; 645 while (*(s-1) == ' ') 646 s--; 647 *s = 0; 648 649 sc->data.name = namebuf; 650 651 if (drive_config.config & 0x10) 652 sc->data.double_speed = 1; 653 else 654 sc->data.double_speed = 0; 655 656 return (0); 657} 658 659static int 660read_subcode(struct scd_softc *sc, struct sony_subchannel_position_data *scp) 661{ 662 int rc; 663 664 rc = send_cmd(sc, CMD_GET_SUBCHANNEL_DATA, 0); 665 if (rc < 0 || rc < sizeof(*scp)) 666 return (EIO); 667 if (get_result(sc, rc, (u_char *)scp) != 0) 668 return (EIO); 669 return (0); 670} 671 672/* State machine copied from mcd.c */ 673 674/* This (and the code in mcd.c) will not work with more than one drive */ 675/* because there is only one sc->ch_mbxsave below. Should fix that some day. */ 676/* (sc->ch_mbxsave & state should probably be included in the scd_data struct and */ 677/* the unit number used as first argument to scd_doread().) /Micke */ 678 679/* state machine to process read requests 680 * initialize with SCD_S_BEGIN: reset state machine 681 * SCD_S_WAITSTAT: wait for ready (!busy) 682 * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 683 * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 684 * SCD_S_WAITREAD: wait for data ready, read data 685 * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 686 */ 687 688static void 689scd_timeout(void *arg) 690{ 691 struct scd_softc *sc; 692 sc = (struct scd_softc *)arg; 693 694 scd_doread(sc, sc->ch_state, sc->ch_mbxsave); 695} 696 697static void 698scd_doread(struct scd_softc *sc, int state, struct scd_mbx *mbxin) 699{ 700 struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? sc->ch_mbxsave : mbxin; 701 struct bio *bp = mbx->bp; 702 int i; 703 int blknum; 704 caddr_t addr; 705 static char sdata[3]; /* Must be preserved between calls to this function */ 706 707loop: 708 switch (state) { 709 case SCD_S_BEGIN: 710 mbx = sc->ch_mbxsave = mbxin; 711 712 case SCD_S_BEGIN1: 713 /* get status */ 714 mbx->count = RDELAY_WAIT; 715 716 process_attention(sc); 717 goto trystat; 718 719 case SCD_S_WAITSTAT: 720 sc->ch_state = SCD_S_WAITSTAT; 721 untimeout(scd_timeout, (caddr_t)sc, sc->ch); 722 if (mbx->count-- <= 0) { 723 device_printf(sc->dev, "timeout. drive busy.\n"); 724 goto harderr; 725 } 726 727trystat: 728 if (IS_BUSY(sc)) { 729 sc->ch_state = SCD_S_WAITSTAT; 730 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 731 return; 732 } 733 734 process_attention(sc); 735 736 /* reject, if audio active */ 737 if (sc->data.audio_status & CD_AS_PLAY_IN_PROGRESS) { 738 device_printf(sc->dev, "audio is active\n"); 739 goto harderr; 740 } 741 742 mbx->sz = sc->data.blksize; 743 744 /* for first block */ 745 mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 746 mbx->skip = 0; 747 748nextblock: 749 if (!(sc->data.flags & SCDVALID)) 750 goto changed; 751 752 blknum = (bp->bio_blkno / (mbx->sz/DEV_BSIZE)) 753 + mbx->skip/mbx->sz; 754 755 XDEBUG(sc, 2, "scd_doread: read blknum=%d\n", blknum); 756 757 /* build parameter block */ 758 hsg2msf(blknum, sdata); 759 760 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 761 SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR); 762 SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR); 763 764 if (FSTATUS_BIT(sc, FBIT_WPARAM_READY)) 765 goto writeparam; 766 767 mbx->count = 100; 768 sc->ch_state = SCD_S_WAITFIFO; 769 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 770 return; 771 772 case SCD_S_WAITSPIN: 773 sc->ch_state = SCD_S_WAITSPIN; 774 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 775 if (mbx->count-- <= 0) { 776 device_printf(sc->dev, "timeout waiting for drive to spin up.\n"); 777 goto harderr; 778 } 779 if (!STATUS_BIT(sc, SBIT_RESULT_READY)) { 780 sc->ch_state = SCD_S_WAITSPIN; 781 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 782 return; 783 } 784 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 785 switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) { 786 case 0x20: 787 i = SCD_READ(sc, IREG_RESULT); 788 print_error(sc, i); 789 goto harderr; 790 case 0x00: 791 (void)SCD_READ(sc, IREG_RESULT); 792 sc->data.flags |= SCDSPINNING; 793 break; 794 } 795 XDEBUG(sc, 1, "DEBUG: spin up complete\n"); 796 797 state = SCD_S_BEGIN1; 798 goto loop; 799 800 case SCD_S_WAITFIFO: 801 sc->ch_state = SCD_S_WAITFIFO; 802 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 803 if (mbx->count-- <= 0) { 804 device_printf(sc->dev, "timeout. write param not ready.\n"); 805 goto harderr; 806 } 807 if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) { 808 sc->ch_state = SCD_S_WAITFIFO; 809 sc->ch = timeout(scd_timeout, (caddr_t)sc,hz/100); /* XXX */ 810 return; 811 } 812 XDEBUG(sc, 1, "mbx->count (writeparamwait) = %d(%d)\n", mbx->count, 100); 813 814writeparam: 815 /* The reason this test isn't done 'till now is to make sure */ 816 /* that it is ok to send the SPIN_UP cmd below. */ 817 if (!(sc->data.flags & SCDSPINNING)) { 818 XDEBUG(sc, 1, "spinning up drive ...\n"); 819 SCD_WRITE(sc, OREG_COMMAND, CMD_SPIN_UP); 820 mbx->count = 300; 821 sc->ch_state = SCD_S_WAITSPIN; 822 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 823 return; 824 } 825 826 /* send the read command */ 827 critical_enter(); 828 SCD_WRITE(sc, OREG_WPARAMS, sdata[0]); 829 SCD_WRITE(sc, OREG_WPARAMS, sdata[1]); 830 SCD_WRITE(sc, OREG_WPARAMS, sdata[2]); 831 SCD_WRITE(sc, OREG_WPARAMS, 0); 832 SCD_WRITE(sc, OREG_WPARAMS, 0); 833 SCD_WRITE(sc, OREG_WPARAMS, 1); 834 SCD_WRITE(sc, OREG_COMMAND, CMD_READ); 835 critical_exit(); 836 837 mbx->count = RDELAY_WAITREAD; 838 for (i = 0; i < 50; i++) { 839 if (STATUS_BIT(sc, SBIT_DATA_READY)) 840 goto got_data; 841 DELAY(100); 842 } 843 844 sc->ch_state = SCD_S_WAITREAD; 845 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 846 return; 847 848 case SCD_S_WAITREAD: 849 sc->ch_state = SCD_S_WAITREAD; 850 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 851 if (mbx->count-- <= 0) { 852 if (STATUS_BIT(sc, SBIT_RESULT_READY)) 853 goto got_param; 854 device_printf(sc->dev, "timeout while reading data\n"); 855 goto readerr; 856 } 857 if (!STATUS_BIT(sc, SBIT_DATA_READY)) { 858 process_attention(sc); 859 if (!(sc->data.flags & SCDVALID)) 860 goto changed; 861 sc->ch_state = SCD_S_WAITREAD; 862 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 863 return; 864 } 865 XDEBUG(sc, 2, "mbx->count (after RDY_BIT) = %d(%d)\n", mbx->count, RDELAY_WAITREAD); 866 867got_data: 868 /* data is ready */ 869 addr = bp->bio_data + mbx->skip; 870 SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR); 871 SCD_READ_MULTI(sc, IREG_DATA, addr, mbx->sz); 872 873 mbx->count = 100; 874 for (i = 0; i < 20; i++) { 875 if (STATUS_BIT(sc, SBIT_RESULT_READY)) 876 goto waitfor_param; 877 DELAY(100); 878 } 879 goto waitfor_param; 880 881 case SCD_S_WAITPARAM: 882 sc->ch_state = SCD_S_WAITPARAM; 883 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 884 if (mbx->count-- <= 0) { 885 device_printf(sc->dev, "timeout waiting for params\n"); 886 goto readerr; 887 } 888 889waitfor_param: 890 if (!STATUS_BIT(sc, SBIT_RESULT_READY)) { 891 sc->ch_state = SCD_S_WAITPARAM; 892 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 893 return; 894 } 895#ifdef SCD_DEBUG 896 if (mbx->count < 100 && scd_debuglevel > 0) 897 device_printf(sc->dev, "mbx->count (paramwait) = %d(%d)\n", mbx->count, 100); 898#endif 899 900got_param: 901 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 902 switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) { 903 case 0x50: 904 switch (i) { 905 case ERR_FATAL_READ_ERROR1: 906 case ERR_FATAL_READ_ERROR2: 907 device_printf(sc->dev, "unrecoverable read error 0x%x\n", i); 908 goto harderr; 909 } 910 break; 911 case 0x20: 912 i = SCD_READ(sc, IREG_RESULT); 913 switch (i) { 914 case ERR_NOT_SPINNING: 915 XDEBUG(sc, 1, "read error: drive not spinning\n"); 916 if (mbx->retry-- > 0) { 917 state = SCD_S_BEGIN1; 918 sc->data.flags &= ~SCDSPINNING; 919 goto loop; 920 } 921 goto harderr; 922 default: 923 print_error(sc, i); 924 goto readerr; 925 } 926 case 0x00: 927 i = SCD_READ(sc, IREG_RESULT); 928 break; 929 } 930 931 if (--mbx->nblk > 0) { 932 mbx->skip += mbx->sz; 933 goto nextblock; 934 } 935 936 /* return buffer */ 937 bp->bio_resid = 0; 938 biodone(bp); 939 940 sc->data.flags &= ~SCDMBXBSY; 941 scd_start(sc); 942 return; 943 } 944 945readerr: 946 if (mbx->retry-- > 0) { 947 device_printf(sc->dev, "retrying ...\n"); 948 state = SCD_S_BEGIN1; 949 goto loop; 950 } 951harderr: 952 /* invalidate the buffer */ 953 bp->bio_error = EIO; 954 bp->bio_flags |= BIO_ERROR; 955 bp->bio_resid = bp->bio_bcount; 956 biodone(bp); 957 958 sc->data.flags &= ~SCDMBXBSY; 959 scd_start(sc); 960 return; 961 962changed: 963 device_printf(sc->dev, "media changed\n"); 964 goto harderr; 965} 966 967static void 968hsg2msf(int hsg, bcd_t *msf) 969{ 970 971 hsg += 150; 972 M_msf(msf) = bin2bcd(hsg / 4500); 973 hsg %= 4500; 974 S_msf(msf) = bin2bcd(hsg / 75); 975 F_msf(msf) = bin2bcd(hsg % 75); 976} 977 978static int 979msf2hsg(bcd_t *msf) 980{ 981 982 return (bcd2bin(M_msf(msf)) * 60 + 983 bcd2bin(S_msf(msf))) * 75 + 984 bcd2bin(F_msf(msf)) - 150; 985} 986 987static void 988process_attention(struct scd_softc *sc) 989{ 990 unsigned char code; 991 int count = 0; 992 993 while (IS_ATTENTION(sc) && count++ < 30) { 994 SCD_WRITE(sc, OREG_CONTROL, CBIT_ATTENTION_CLEAR); 995 code = SCD_READ(sc, IREG_RESULT); 996 997#ifdef SCD_DEBUG 998 if (scd_debuglevel > 0) { 999 if (count == 1) 1000 device_printf(sc->dev, "DEBUG: ATTENTIONS = 0x%x", code); 1001 else 1002 printf(",0x%x", code); 1003 } 1004#endif 1005 1006 switch (code) { 1007 case ATTEN_SPIN_DOWN: 1008 sc->data.flags &= ~SCDSPINNING; 1009 break; 1010 1011 case ATTEN_SPIN_UP_DONE: 1012 sc->data.flags |= SCDSPINNING; 1013 break; 1014 1015 case ATTEN_AUDIO_DONE: 1016 sc->data.audio_status = CD_AS_PLAY_COMPLETED; 1017 break; 1018 1019 case ATTEN_DRIVE_LOADED: 1020 sc->data.flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 1021 sc->data.audio_status = CD_AS_AUDIO_INVALID; 1022 break; 1023 1024 case ATTEN_EJECT_PUSHED: 1025 sc->data.flags &= ~SCDVALID; 1026 break; 1027 } 1028 DELAY(100); 1029 } 1030#ifdef SCD_DEBUG 1031 if (scd_debuglevel > 0 && count > 0) 1032 printf("\n"); 1033#endif 1034} 1035 1036/* Returns 0 OR sony error code */ 1037static int 1038spin_up(struct scd_softc *sc) 1039{ 1040 unsigned char res_reg[12]; 1041 unsigned int res_size; 1042 int rc; 1043 int loop_count = 0; 1044 1045again: 1046 rc = send_cmd(sc, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 1047 if (rc != 0) { 1048 XDEBUG(sc, 2, "CMD_SPIN_UP error 0x%x\n", rc); 1049 return (rc); 1050 } 1051 1052 if (!(sc->data.flags & SCDTOC)) { 1053 rc = send_cmd(sc, CMD_READ_TOC, 0); 1054 if (rc == ERR_NOT_SPINNING) { 1055 if (loop_count++ < 3) 1056 goto again; 1057 return (rc); 1058 } 1059 if (rc != 0) 1060 return (rc); 1061 } 1062 1063 sc->data.flags |= SCDSPINNING; 1064 1065 return (0); 1066} 1067 1068static struct sony_tracklist * 1069get_tl(struct sony_toc *toc, int size) 1070{ 1071 struct sony_tracklist *tl = &toc->tracks[0]; 1072 1073 if (tl->track != 0xb0) 1074 return (tl); 1075 (char *)tl += 9; 1076 if (tl->track != 0xb1) 1077 return (tl); 1078 (char *)tl += 9; 1079 if (tl->track != 0xb2) 1080 return (tl); 1081 (char *)tl += 9; 1082 if (tl->track != 0xb3) 1083 return (tl); 1084 (char *)tl += 9; 1085 if (tl->track != 0xb4) 1086 return (tl); 1087 (char *)tl += 9; 1088 if (tl->track != 0xc0) 1089 return (tl); 1090 (char *)tl += 9; 1091 return (tl); 1092} 1093 1094static int 1095read_toc(struct scd_softc *sc) 1096{ 1097 struct sony_toc toc; 1098 struct sony_tracklist *tl; 1099 int rc, i, j; 1100 u_long first, last; 1101 1102 rc = send_cmd(sc, CMD_GET_TOC, 1, 1); 1103 if (rc < 0) 1104 return (rc); 1105 if (rc > sizeof(toc)) { 1106 device_printf(sc->dev, "program error: toc too large (%d)\n", rc); 1107 return (EIO); 1108 } 1109 if (get_result(sc, rc, (u_char *)&toc) != 0) 1110 return (EIO); 1111 1112 XDEBUG(sc, 1, "toc read. len = %d, sizeof(toc) = %d\n", rc, sizeof(toc)); 1113 1114 tl = get_tl(&toc, rc); 1115 first = msf2hsg(tl->start_msf); 1116 last = msf2hsg(toc.lead_out_start_msf); 1117 sc->data.blksize = SCDBLKSIZE; 1118 sc->data.disksize = last*sc->data.blksize/DEV_BSIZE; 1119 1120 XDEBUG(sc, 1, "firstsector = %ld, lastsector = %ld", first, last); 1121 1122 sc->data.first_track = bcd2bin(toc.first_track); 1123 sc->data.last_track = bcd2bin(toc.last_track); 1124 if (sc->data.last_track > (MAX_TRACKS-2)) 1125 sc->data.last_track = MAX_TRACKS-2; 1126 for (j = 0, i = sc->data.first_track; i <= sc->data.last_track; i++, j++) { 1127 sc->data.toc[i].adr = tl[j].adr; 1128 sc->data.toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 1129 bcopy(tl[j].start_msf, sc->data.toc[i].start_msf, 3); 1130#ifdef SCD_DEBUG 1131 if (scd_debuglevel > 0) { 1132 if ((j % 3) == 0) { 1133 printf("\n"); 1134 device_printf(sc->dev, "tracks "); 1135 } 1136 printf("[%03d: %2d %2d %2d] ", i, 1137 bcd2bin(sc->data.toc[i].start_msf[0]), 1138 bcd2bin(sc->data.toc[i].start_msf[1]), 1139 bcd2bin(sc->data.toc[i].start_msf[2])); 1140 } 1141#endif 1142 } 1143 bcopy(toc.lead_out_start_msf, sc->data.toc[sc->data.last_track+1].start_msf, 3); 1144#ifdef SCD_DEBUG 1145 if (scd_debuglevel > 0) { 1146 i = sc->data.last_track+1; 1147 printf("[END: %2d %2d %2d]\n", 1148 bcd2bin(sc->data.toc[i].start_msf[0]), 1149 bcd2bin(sc->data.toc[i].start_msf[1]), 1150 bcd2bin(sc->data.toc[i].start_msf[2])); 1151 } 1152#endif 1153 1154 sc->data.flags |= SCDTOC; 1155 1156 return (0); 1157} 1158 1159static void 1160init_drive(struct scd_softc *sc) 1161{ 1162 int rc; 1163 1164 rc = send_cmd(sc, CMD_SET_DRIVE_PARAM, 2, 1165 0x05, 0x03 | ((sc->data.double_speed) ? 0x04: 0)); 1166 if (rc != 0) 1167 device_printf(sc->dev, "Unable to set parameters. Errcode = 0x%x\n", rc); 1168} 1169 1170/* Returns 0 or errno */ 1171static int 1172get_result(struct scd_softc *sc, int result_len, u_char *result) 1173{ 1174 int loop_index = 2; /* send_cmd() reads two bytes ... */ 1175 1176 XDEBUG(sc, 1, "DEBUG: get_result: bytes=%d\n", result_len); 1177 1178 while (result_len-- > 0) { 1179 if (loop_index++ >= 10) { 1180 loop_index = 1; 1181 if (waitfor_status_bits(sc, SBIT_RESULT_READY, 0)) 1182 return (EIO); 1183 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 1184 } 1185 if (result) 1186 *result++ = SCD_READ(sc, IREG_RESULT); 1187 else 1188 (void)SCD_READ(sc, IREG_RESULT); 1189 } 1190 return (0); 1191} 1192 1193/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 1194static int 1195send_cmd(struct scd_softc *sc, u_char cmd, u_int nargs, ...) 1196{ 1197 va_list ap; 1198 u_char c; 1199 int rc; 1200 int i; 1201 1202 if (waitfor_status_bits(sc, 0, SBIT_BUSY)) { 1203 device_printf(sc->dev, "drive busy\n"); 1204 return (-0x100); 1205 } 1206 1207 XDEBUG(sc, 1, "DEBUG: send_cmd: cmd=0x%x nargs=%d", cmd, nargs); 1208 1209 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 1210 SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR); 1211 1212 for (i = 0; i < 100; i++) 1213 if (FSTATUS_BIT(sc, FBIT_WPARAM_READY)) 1214 break; 1215 if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) { 1216 XDEBUG(sc, 1, "\nwparam timeout\n"); 1217 return (-EIO); 1218 } 1219 1220 va_start(ap, nargs); 1221 for (i = 0; i < nargs; i++) { 1222 c = (u_char)va_arg(ap, int); 1223 SCD_WRITE(sc, OREG_WPARAMS, c); 1224 XDEBUG(sc, 1, ",{0x%x}", c); 1225 } 1226 va_end(ap); 1227 XDEBUG(sc, 1, "\n"); 1228 1229 SCD_WRITE(sc, OREG_COMMAND, cmd); 1230 1231 rc = waitfor_status_bits(sc, SBIT_RESULT_READY, SBIT_BUSY); 1232 if (rc) 1233 return (-0x100); 1234 1235 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 1236 switch ((rc = SCD_READ(sc, IREG_RESULT)) & 0xf0) { 1237 case 0x20: 1238 rc = SCD_READ(sc, IREG_RESULT); 1239 /* FALLTHROUGH */ 1240 case 0x50: 1241 XDEBUG(sc, 1, "DEBUG: send_cmd: drive_error=0x%x\n", rc); 1242 return (-rc); 1243 case 0x00: 1244 default: 1245 rc = SCD_READ(sc, IREG_RESULT); 1246 XDEBUG(sc, 1, "DEBUG: send_cmd: result_len=%d\n", rc); 1247 return (rc); 1248 } 1249} 1250 1251static void 1252print_error(struct scd_softc *sc, int errcode) 1253{ 1254 1255 switch (errcode) { 1256 case -ERR_CD_NOT_LOADED: 1257 device_printf(sc->dev, "door is open\n"); 1258 break; 1259 case -ERR_NO_CD_INSIDE: 1260 device_printf(sc->dev, "no cd inside\n"); 1261 break; 1262 default: 1263 if (errcode == -0x100 || errcode > 0) 1264 device_printf(sc->dev, "device timeout\n"); 1265 else 1266 device_printf(sc->dev, "unexpected error 0x%x\n", -errcode); 1267 break; 1268 } 1269} 1270 1271/* Returns 0 or errno value */ 1272static int 1273waitfor_status_bits(struct scd_softc *sc, int bits_set, int bits_clear) 1274{ 1275 u_int flags = sc->data.flags; 1276 u_int max_loop; 1277 u_char c = 0; 1278 1279 if (flags & SCDPROBING) { 1280 max_loop = 0; 1281 while (max_loop++ < 1000) { 1282 c = SCD_READ(sc, IREG_STATUS); 1283 if (c == 0xff) 1284 return (EIO); 1285 if (c & SBIT_ATTENTION) { 1286 process_attention(sc); 1287 continue; 1288 } 1289 if ((c & bits_set) == bits_set && 1290 (c & bits_clear) == 0) 1291 { 1292 break; 1293 } 1294 DELAY(10000); 1295 } 1296 } else { 1297 max_loop = 100; 1298 while (max_loop-- > 0) { 1299 c = SCD_READ(sc, IREG_STATUS); 1300 if (c & SBIT_ATTENTION) { 1301 process_attention(sc); 1302 continue; 1303 } 1304 if ((c & bits_set) == bits_set && 1305 (c & bits_clear) == 0) 1306 { 1307 break; 1308 } 1309 tsleep(waitfor_status_bits, PZERO - 1, "waitfor", hz/10); 1310 } 1311 } 1312 if ((c & bits_set) == bits_set && 1313 (c & bits_clear) == 0) 1314 { 1315 return (0); 1316 } 1317#ifdef SCD_DEBUG 1318 if (scd_debuglevel > 0) 1319 device_printf(sc->dev, "DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", c, bits_set, bits_clear); 1320 else 1321#endif 1322 device_printf(sc->dev, "timeout.\n"); 1323 return (EIO); 1324} 1325 1326/* these two routines for xcdplayer - "borrowed" from mcd.c */ 1327static int 1328scd_toc_header (struct scd_softc *sc, struct ioc_toc_header* th) 1329{ 1330 int rc; 1331 1332 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 1333 print_error(sc, rc); 1334 return (EIO); 1335 } 1336 1337 th->starting_track = sc->data.first_track; 1338 th->ending_track = sc->data.last_track; 1339 th->len = 0; /* not used */ 1340 1341 return (0); 1342} 1343 1344static int 1345scd_toc_entrys (struct scd_softc *sc, struct ioc_read_toc_entry *te) 1346{ 1347 struct cd_toc_entry toc_entry; 1348 int rc, i, len = te->data_len; 1349 1350 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 1351 print_error(sc, rc); 1352 return (EIO); 1353 } 1354 1355 /* find the toc to copy*/ 1356 i = te->starting_track; 1357 if (i == SCD_LASTPLUS1) 1358 i = sc->data.last_track + 1; 1359 1360 /* verify starting track */ 1361 if (i < sc->data.first_track || i > sc->data.last_track+1) 1362 return (EINVAL); 1363 1364 /* valid length ? */ 1365 if (len < sizeof(struct cd_toc_entry) 1366 || (len % sizeof(struct cd_toc_entry)) != 0) 1367 return (EINVAL); 1368 1369 /* copy the toc data */ 1370 toc_entry.control = sc->data.toc[i].ctl; 1371 toc_entry.addr_type = te->address_format; 1372 toc_entry.track = i; 1373 if (te->address_format == CD_MSF_FORMAT) { 1374 toc_entry.addr.msf.unused = 0; 1375 toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]); 1376 toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]); 1377 toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]); 1378 } 1379 1380 /* copy the data back */ 1381 if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 1382 return (EFAULT); 1383 1384 return (0); 1385} 1386 1387 1388static int 1389scd_toc_entry (struct scd_softc *sc, struct ioc_read_toc_single_entry *te) 1390{ 1391 struct cd_toc_entry toc_entry; 1392 int rc, i; 1393 1394 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 1395 print_error(sc, rc); 1396 return (EIO); 1397 } 1398 1399 /* find the toc to copy*/ 1400 i = te->track; 1401 if (i == SCD_LASTPLUS1) 1402 i = sc->data.last_track + 1; 1403 1404 /* verify starting track */ 1405 if (i < sc->data.first_track || i > sc->data.last_track+1) 1406 return (EINVAL); 1407 1408 /* copy the toc data */ 1409 toc_entry.control = sc->data.toc[i].ctl; 1410 toc_entry.addr_type = te->address_format; 1411 toc_entry.track = i; 1412 if (te->address_format == CD_MSF_FORMAT) { 1413 toc_entry.addr.msf.unused = 0; 1414 toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]); 1415 toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]); 1416 toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]); 1417 } 1418 1419 /* copy the data back */ 1420 bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 1421 1422 return (0); 1423}
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