scd.c revision 320923
1/*- 2 * Copyright (c) 1995 Mikael Hybsch 3 * All rights reserved. 4 * 5 * Portions of this file are copied from mcd.c 6 * which has the following copyrights: 7 * 8 * Copyright 1993 by Holger Veit (data part) 9 * Copyright 1993 by Brian Moore (audio part) 10 * Changes Copyright 1993 by Gary Clark II 11 * Changes Copyright (C) 1994 by Andrew A. Chernov 12 * 13 * Rewrote probe routine to work on newer Mitsumi drives. 14 * Additional changes (C) 1994 by Jordan K. Hubbard 15 * 16 * All rights reserved. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer 23 * in this position and unchanged. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in the 26 * documentation and/or other materials provided with the distribution. 27 * 3. The name of the author may not be used to endorse or promote products 28 * derived from this software without specific prior written permission 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 31 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 33 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 35 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 */ 42 43#include <sys/cdefs.h> 44__FBSDID("$FreeBSD: stable/10/sys/dev/scd/scd.c 320923 2017-07-12 22:16:54Z jhb $"); 45 46 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.h> 62#include <machine/resource.h> 63#include <sys/rman.h> 64 65#include <isa/isavar.h> 66 67#include <dev/scd/scdreg.h> 68#include <dev/scd/scdvar.h> 69 70/* flags */ 71#define SCDOPEN 0x0001 /* device opened */ 72#define SCDVALID 0x0002 /* parameters loaded */ 73#define SCDINIT 0x0004 /* device is init'd */ 74#define SCDPROBING 0x0020 /* probing */ 75#define SCDTOC 0x0100 /* already read toc */ 76#define SCDMBXBSY 0x0200 /* local mbx is busy */ 77#define SCDSPINNING 0x0400 /* drive is spun up */ 78 79#define SCD_S_BEGIN 0 80#define SCD_S_BEGIN1 1 81#define SCD_S_WAITSTAT 2 82#define SCD_S_WAITFIFO 3 83#define SCD_S_WAITSPIN 4 84#define SCD_S_WAITREAD 5 85#define SCD_S_WAITPARAM 6 86 87#define RDELAY_WAIT 300 88#define RDELAY_WAITREAD 300 89 90#define SCDBLKSIZE 2048 91 92#ifdef SCD_DEBUG 93 static int scd_debuglevel = SCD_DEBUG; 94# define XDEBUG(sc, level, fmt, args...) \ 95 do { \ 96 if (scd_debuglevel >= level) \ 97 device_printf(sc->dev, fmt, ## args); \ 98 } while (0) 99#else 100# define XDEBUG(sc, level, fmt, args...) 101#endif 102 103#define IS_ATTENTION(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_ATTENTION) != 0) 104#define IS_BUSY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_BUSY) != 0) 105#define IS_DATA_RDY(sc) ((SCD_READ(sc, IREG_STATUS) & SBIT_DATA_READY) != 0) 106#define STATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_STATUS) & (bit)) != 0) 107#define FSTATUS_BIT(sc, bit) ((SCD_READ(sc, IREG_FSTATUS) & (bit)) != 0) 108 109/* prototypes */ 110static void hsg2msf(int hsg, bcd_t *msf); 111static int msf2hsg(bcd_t *msf); 112 113static void process_attention(struct scd_softc *); 114static int waitfor_status_bits(struct scd_softc *, int bits_set, int bits_clear); 115static int send_cmd(struct scd_softc *, u_char cmd, u_int nargs, ...); 116static void init_drive(struct scd_softc *); 117static int spin_up(struct scd_softc *); 118static int read_toc(struct scd_softc *); 119static int get_result(struct scd_softc *, int result_len, u_char *result); 120static void print_error(struct scd_softc *, int errcode); 121 122static void scd_start(struct scd_softc *); 123static timeout_t scd_timeout; 124static void scd_doread(struct scd_softc *, int state, struct scd_mbx *mbxin); 125 126static int scd_eject(struct scd_softc *); 127static int scd_stop(struct scd_softc *); 128static int scd_pause(struct scd_softc *); 129static int scd_resume(struct scd_softc *); 130static int scd_playtracks(struct scd_softc *, struct ioc_play_track *pt); 131static int scd_playmsf(struct scd_softc *, struct ioc_play_msf *msf); 132static int scd_play(struct scd_softc *, struct ioc_play_msf *msf); 133static int scd_subchan(struct scd_softc *, struct ioc_read_subchannel *sch, int nocopyout); 134static int read_subcode(struct scd_softc *, struct sony_subchannel_position_data *sch); 135 136/* for xcdplayer */ 137static int scd_toc_header(struct scd_softc *, struct ioc_toc_header *th); 138static int scd_toc_entrys(struct scd_softc *, struct ioc_read_toc_entry *te); 139static int scd_toc_entry(struct scd_softc *, struct ioc_read_toc_single_entry *te); 140#define SCD_LASTPLUS1 170 /* don't ask, xcdplayer passes this in */ 141 142static d_open_t scdopen; 143static d_close_t scdclose; 144static d_ioctl_t scdioctl; 145static d_strategy_t scdstrategy; 146 147 148static struct cdevsw scd_cdevsw = { 149 .d_version = D_VERSION, 150 .d_open = scdopen, 151 .d_close = scdclose, 152 .d_read = physread, 153 .d_ioctl = scdioctl, 154 .d_strategy = scdstrategy, 155 .d_name = "scd", 156 .d_flags = D_DISK | D_NEEDGIANT, 157}; 158 159int 160scd_attach(struct scd_softc *sc) 161{ 162 int unit; 163 164 unit = device_get_unit(sc->dev); 165 166 init_drive(sc); 167 168 sc->data.flags = SCDINIT; 169 sc->data.audio_status = CD_AS_AUDIO_INVALID; 170 bioq_init(&sc->data.head); 171 172 sc->scd_dev_t = make_dev(&scd_cdevsw, 8 * unit, 173 UID_ROOT, GID_OPERATOR, 0640, "scd%d", unit); 174 sc->scd_dev_t->si_drv1 = (void *)sc; 175 device_printf(sc->dev, 176 "WARNING: This driver is deprecated and will be removed.\n"); 177 178 return (0); 179} 180 181static int 182scdopen(struct cdev *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 sc->data.openflag = 1; 221 sc->data.flags |= SCDVALID; 222 223 return (0); 224} 225 226static int 227scdclose(struct cdev *dev, int flags, int fmt, struct thread *td) 228{ 229 struct scd_softc *sc; 230 231 sc = (struct scd_softc *)dev->si_drv1; 232 233 if (!(sc->data.flags & SCDINIT) || !sc->data.openflag) 234 return (ENXIO); 235 236 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS) { 237 (void)send_cmd(sc, CMD_SPIN_DOWN, 0); 238 sc->data.flags &= ~SCDSPINNING; 239 } 240 241 242 /* close channel */ 243 sc->data.openflag = 0; 244 245 return (0); 246} 247 248static void 249scdstrategy(struct bio *bp) 250{ 251 int s; 252 struct scd_softc *sc; 253 254 sc = (struct scd_softc *)bp->bio_dev->si_drv1; 255 256 /* if device invalidated (e.g. media change, door open), error */ 257 if (!(sc->data.flags & SCDVALID)) { 258 device_printf(sc->dev, "media changed\n"); 259 bp->bio_error = EIO; 260 goto bad; 261 } 262 263 /* read only */ 264 if (!(bp->bio_cmd == BIO_READ)) { 265 bp->bio_error = EROFS; 266 goto bad; 267 } 268 269 /* no data to read */ 270 if (bp->bio_bcount == 0) 271 goto done; 272 273 if (!(sc->data.flags & SCDTOC)) { 274 bp->bio_error = EIO; 275 goto bad; 276 } 277 278 bp->bio_resid = 0; 279 280 /* queue it */ 281 s = splbio(); 282 bioq_disksort(&sc->data.head, bp); 283 splx(s); 284 285 /* now check whether we can perform processing */ 286 scd_start(sc); 287 return; 288 289bad: 290 bp->bio_flags |= BIO_ERROR; 291done: 292 bp->bio_resid = bp->bio_bcount; 293 biodone(bp); 294 return; 295} 296 297static void 298scd_start(struct scd_softc *sc) 299{ 300 struct bio *bp; 301 int s = splbio(); 302 303 if (sc->data.flags & SCDMBXBSY) { 304 splx(s); 305 return; 306 } 307 308 bp = bioq_takefirst(&sc->data.head); 309 if (bp != 0) { 310 /* block found to process, dequeue */ 311 sc->data.flags |= SCDMBXBSY; 312 splx(s); 313 } else { 314 /* nothing to do */ 315 splx(s); 316 return; 317 } 318 319 sc->data.mbx.retry = 3; 320 sc->data.mbx.bp = bp; 321 splx(s); 322 323 scd_doread(sc, SCD_S_BEGIN, &(sc->data.mbx)); 324 return; 325} 326 327static int 328scdioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td) 329{ 330 struct scd_softc *sc; 331 332 sc = (struct scd_softc *)dev->si_drv1; 333 334 XDEBUG(sc, 1, "ioctl: cmd=0x%lx\n", cmd); 335 336 if (!(sc->data.flags & SCDVALID)) 337 return (EIO); 338 339 switch (cmd) { 340 case DIOCGMEDIASIZE: 341 *(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize; 342 return (0); 343 break; 344 case DIOCGSECTORSIZE: 345 *(u_int *)addr = sc->data.blksize; 346 return (0); 347 break; 348 case CDIOCPLAYTRACKS: 349 return scd_playtracks(sc, (struct ioc_play_track *) addr); 350 case CDIOCPLAYBLOCKS: 351 return (EINVAL); 352 case CDIOCPLAYMSF: 353 return scd_playmsf(sc, (struct ioc_play_msf *) addr); 354 case CDIOCREADSUBCHANNEL_SYSSPACE: 355 return scd_subchan(sc, (struct ioc_read_subchannel *) addr, 1); 356 case CDIOCREADSUBCHANNEL: 357 return scd_subchan(sc, (struct ioc_read_subchannel *) addr, 0); 358 case CDIOREADTOCHEADER: 359 return scd_toc_header (sc, (struct ioc_toc_header *) addr); 360 case CDIOREADTOCENTRYS: 361 return scd_toc_entrys (sc, (struct ioc_read_toc_entry*) addr); 362 case CDIOREADTOCENTRY: 363 return scd_toc_entry (sc, (struct ioc_read_toc_single_entry*) addr); 364 case CDIOCSETPATCH: 365 case CDIOCGETVOL: 366 case CDIOCSETVOL: 367 case CDIOCSETMONO: 368 case CDIOCSETSTERIO: 369 case CDIOCSETMUTE: 370 case CDIOCSETLEFT: 371 case CDIOCSETRIGHT: 372 return (EINVAL); 373 case CDIOCRESUME: 374 return scd_resume(sc); 375 case CDIOCPAUSE: 376 return scd_pause(sc); 377 case CDIOCSTART: 378 return (EINVAL); 379 case CDIOCSTOP: 380 return scd_stop(sc); 381 case CDIOCEJECT: 382 return scd_eject(sc); 383 case CDIOCALLOW: 384 return (0); 385 case CDIOCSETDEBUG: 386#ifdef SCD_DEBUG 387 scd_debuglevel++; 388#endif 389 return (0); 390 case CDIOCCLRDEBUG: 391#ifdef SCD_DEBUG 392 scd_debuglevel = 0; 393 394#endif 395 return (0); 396 default: 397 device_printf(sc->dev, "unsupported ioctl (cmd=0x%lx)\n", cmd); 398 return (ENOTTY); 399 } 400} 401 402/*************************************************************** 403 * lower level of driver starts here 404 **************************************************************/ 405 406static int 407scd_playtracks(struct scd_softc *sc, struct ioc_play_track *pt) 408{ 409 struct ioc_play_msf msf; 410 int a = pt->start_track; 411 int z = pt->end_track; 412 int rc; 413 414 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 415 if (rc == -ERR_NOT_SPINNING) { 416 if (spin_up(sc) != 0) 417 return (EIO); 418 rc = read_toc(sc); 419 } 420 if (rc != 0) { 421 print_error(sc, rc); 422 return (EIO); 423 } 424 } 425 426 XDEBUG(sc, 1, "playtracks from %d:%d to %d:%d\n", 427 a, pt->start_index, z, pt->end_index); 428 429 if ( a < sc->data.first_track 430 || a > sc->data.last_track 431 || a > z 432 || z > sc->data.last_track) 433 return (EINVAL); 434 435 bcopy(sc->data.toc[a].start_msf, &msf.start_m, 3); 436 hsg2msf(msf2hsg(sc->data.toc[z+1].start_msf)-1, &msf.end_m); 437 438 return scd_play(sc, &msf); 439} 440 441/* The start/end msf is expected to be in bin format */ 442static int 443scd_playmsf(struct scd_softc *sc, struct ioc_play_msf *msfin) 444{ 445 struct ioc_play_msf msf; 446 447 msf.start_m = bin2bcd(msfin->start_m); 448 msf.start_s = bin2bcd(msfin->start_s); 449 msf.start_f = bin2bcd(msfin->start_f); 450 msf.end_m = bin2bcd(msfin->end_m); 451 msf.end_s = bin2bcd(msfin->end_s); 452 msf.end_f = bin2bcd(msfin->end_f); 453 454 return scd_play(sc, &msf); 455} 456 457/* The start/end msf is expected to be in bcd format */ 458static int 459scd_play(struct scd_softc *sc, struct ioc_play_msf *msf) 460{ 461 int i, rc; 462 463 XDEBUG(sc, 1, "playing: %02x:%02x:%02x -> %02x:%02x:%02x\n", 464 msf->start_m, msf->start_s, msf->start_f, 465 msf->end_m, msf->end_s, msf->end_f); 466 467 for (i = 0; i < 2; i++) { 468 rc = send_cmd(sc, CMD_PLAY_AUDIO, 7, 469 0x03, 470 msf->start_m, msf->start_s, msf->start_f, 471 msf->end_m, msf->end_s, msf->end_f); 472 if (rc == -ERR_NOT_SPINNING) { 473 sc->data.flags &= ~SCDSPINNING; 474 if (spin_up(sc) != 0) 475 return (EIO); 476 } else if (rc < 0) { 477 print_error(sc, rc); 478 return (EIO); 479 } else { 480 break; 481 } 482 } 483 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS; 484 bcopy((char *)msf, (char *)&sc->data.last_play, sizeof(struct ioc_play_msf)); 485 return (0); 486} 487 488static int 489scd_stop(struct scd_softc *sc) 490{ 491 492 (void)send_cmd(sc, CMD_STOP_AUDIO, 0); 493 sc->data.audio_status = CD_AS_PLAY_COMPLETED; 494 return (0); 495} 496 497static int 498scd_pause(struct scd_softc *sc) 499{ 500 struct sony_subchannel_position_data subpos; 501 502 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS) 503 return (EINVAL); 504 505 if (read_subcode(sc, &subpos) != 0) 506 return (EIO); 507 508 if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0) 509 return (EIO); 510 511 sc->data.last_play.start_m = subpos.abs_msf[0]; 512 sc->data.last_play.start_s = subpos.abs_msf[1]; 513 sc->data.last_play.start_f = subpos.abs_msf[2]; 514 sc->data.audio_status = CD_AS_PLAY_PAUSED; 515 516 XDEBUG(sc, 1, "pause @ %02x:%02x:%02x\n", 517 sc->data.last_play.start_m, 518 sc->data.last_play.start_s, 519 sc->data.last_play.start_f); 520 521 return (0); 522} 523 524static int 525scd_resume(struct scd_softc *sc) 526{ 527 528 if (sc->data.audio_status != CD_AS_PLAY_PAUSED) 529 return (EINVAL); 530 return scd_play(sc, &sc->data.last_play); 531} 532 533static int 534scd_eject(struct scd_softc *sc) 535{ 536 537 sc->data.audio_status = CD_AS_AUDIO_INVALID; 538 sc->data.flags &= ~(SCDSPINNING|SCDTOC); 539 540 if (send_cmd(sc, CMD_STOP_AUDIO, 0) != 0 || 541 send_cmd(sc, CMD_SPIN_DOWN, 0) != 0 || 542 send_cmd(sc, CMD_EJECT, 0) != 0) 543 { 544 return (EIO); 545 } 546 return (0); 547} 548 549static int 550scd_subchan(struct scd_softc *sc, struct ioc_read_subchannel *sch, int nocopyout) 551{ 552 struct sony_subchannel_position_data q; 553 struct cd_sub_channel_info data; 554 555 XDEBUG(sc, 1, "subchan af=%d, df=%d\n", 556 sch->address_format, sch->data_format); 557 558 if (sch->address_format != CD_MSF_FORMAT) 559 return (EINVAL); 560 561 if (sch->data_format != CD_CURRENT_POSITION) 562 return (EINVAL); 563 564 if (read_subcode(sc, &q) != 0) 565 return (EIO); 566 567 data.header.audio_status = sc->data.audio_status; 568 data.what.position.data_format = CD_MSF_FORMAT; 569 data.what.position.track_number = bcd2bin(q.track_number); 570 data.what.position.reladdr.msf.unused = 0; 571 data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); 572 data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); 573 data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); 574 data.what.position.absaddr.msf.unused = 0; 575 data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); 576 data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); 577 data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); 578 579 if (nocopyout == 0) { 580 if (copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len))!=0) 581 return (EFAULT); 582 } else { 583 bcopy(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len)); 584 } 585 return (0); 586} 587 588int 589scd_probe(struct scd_softc *sc) 590{ 591 struct sony_drive_configuration drive_config; 592 int rc; 593 static char namebuf[8+16+8+3]; 594 char *s = namebuf; 595 int loop_count = 0; 596 597 sc->data.flags = SCDPROBING; 598 599 bzero(&drive_config, sizeof(drive_config)); 600 601again: 602 /* Reset drive */ 603 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESET_DRIVE); 604 605 /* Calm down */ 606 DELAY(300000); 607 608 /* Only the ATTENTION bit may be set */ 609 if ((SCD_READ(sc, IREG_STATUS) & ~1) != 0) { 610 XDEBUG(sc, 1, "too many bits set. probe failed.\n"); 611 return (ENXIO); 612 } 613 rc = send_cmd(sc, CMD_GET_DRIVE_CONFIG, 0); 614 if (rc != sizeof(drive_config)) { 615 /* Sometimes if the drive is playing audio I get */ 616 /* the bad result 82. Fix by repeating the reset */ 617 if (rc > 0 && loop_count++ == 0) 618 goto again; 619 return (ENXIO); 620 } 621 if (get_result(sc, rc, (u_char *)&drive_config) != 0) 622 return (ENXIO); 623 624 bcopy(drive_config.vendor, namebuf, 8); 625 s = namebuf+8; 626 while (*(s-1) == ' ') /* Strip trailing spaces */ 627 s--; 628 *s++ = ' '; 629 bcopy(drive_config.product, s, 16); 630 s += 16; 631 while (*(s-1) == ' ') 632 s--; 633 *s++ = ' '; 634 bcopy(drive_config.revision, s, 8); 635 s += 8; 636 while (*(s-1) == ' ') 637 s--; 638 *s = 0; 639 640 sc->data.name = namebuf; 641 642 if (drive_config.config & 0x10) 643 sc->data.double_speed = 1; 644 else 645 sc->data.double_speed = 0; 646 647 return (0); 648} 649 650static int 651read_subcode(struct scd_softc *sc, struct sony_subchannel_position_data *scp) 652{ 653 int rc; 654 655 rc = send_cmd(sc, CMD_GET_SUBCHANNEL_DATA, 0); 656 if (rc < 0 || rc < sizeof(*scp)) 657 return (EIO); 658 if (get_result(sc, rc, (u_char *)scp) != 0) 659 return (EIO); 660 return (0); 661} 662 663/* State machine copied from mcd.c */ 664 665/* This (and the code in mcd.c) will not work with more than one drive */ 666/* because there is only one sc->ch_mbxsave below. Should fix that some day. */ 667/* (sc->ch_mbxsave & state should probably be included in the scd_data struct and */ 668/* the unit number used as first argument to scd_doread().) /Micke */ 669 670/* state machine to process read requests 671 * initialize with SCD_S_BEGIN: reset state machine 672 * SCD_S_WAITSTAT: wait for ready (!busy) 673 * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) 674 * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. 675 * SCD_S_WAITREAD: wait for data ready, read data 676 * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. 677 */ 678 679static void 680scd_timeout(void *arg) 681{ 682 struct scd_softc *sc; 683 sc = (struct scd_softc *)arg; 684 685 scd_doread(sc, sc->ch_state, sc->ch_mbxsave); 686} 687 688static void 689scd_doread(struct scd_softc *sc, int state, struct scd_mbx *mbxin) 690{ 691 struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? sc->ch_mbxsave : mbxin; 692 struct bio *bp = mbx->bp; 693 int i; 694 int blknum; 695 caddr_t addr; 696 static char sdata[3]; /* Must be preserved between calls to this function */ 697 698loop: 699 switch (state) { 700 case SCD_S_BEGIN: 701 mbx = sc->ch_mbxsave = mbxin; 702 703 case SCD_S_BEGIN1: 704 /* get status */ 705 mbx->count = RDELAY_WAIT; 706 707 process_attention(sc); 708 goto trystat; 709 710 case SCD_S_WAITSTAT: 711 sc->ch_state = SCD_S_WAITSTAT; 712 untimeout(scd_timeout, (caddr_t)sc, sc->ch); 713 if (mbx->count-- <= 0) { 714 device_printf(sc->dev, "timeout. drive busy.\n"); 715 goto harderr; 716 } 717 718trystat: 719 if (IS_BUSY(sc)) { 720 sc->ch_state = SCD_S_WAITSTAT; 721 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 722 return; 723 } 724 725 process_attention(sc); 726 727 /* reject, if audio active */ 728 if (sc->data.audio_status & CD_AS_PLAY_IN_PROGRESS) { 729 device_printf(sc->dev, "audio is active\n"); 730 goto harderr; 731 } 732 733 mbx->sz = sc->data.blksize; 734 735 /* for first block */ 736 mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 737 mbx->skip = 0; 738 739nextblock: 740 if (!(sc->data.flags & SCDVALID)) 741 goto changed; 742 743 blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz; 744 745 XDEBUG(sc, 2, "scd_doread: read blknum=%d\n", blknum); 746 747 /* build parameter block */ 748 hsg2msf(blknum, sdata); 749 750 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 751 SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR); 752 SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR); 753 754 if (FSTATUS_BIT(sc, FBIT_WPARAM_READY)) 755 goto writeparam; 756 757 mbx->count = 100; 758 sc->ch_state = SCD_S_WAITFIFO; 759 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 760 return; 761 762 case SCD_S_WAITSPIN: 763 sc->ch_state = SCD_S_WAITSPIN; 764 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 765 if (mbx->count-- <= 0) { 766 device_printf(sc->dev, "timeout waiting for drive to spin up.\n"); 767 goto harderr; 768 } 769 if (!STATUS_BIT(sc, SBIT_RESULT_READY)) { 770 sc->ch_state = SCD_S_WAITSPIN; 771 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 772 return; 773 } 774 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 775 switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) { 776 case 0x20: 777 i = SCD_READ(sc, IREG_RESULT); 778 print_error(sc, i); 779 goto harderr; 780 case 0x00: 781 (void)SCD_READ(sc, IREG_RESULT); 782 sc->data.flags |= SCDSPINNING; 783 break; 784 } 785 XDEBUG(sc, 1, "DEBUG: spin up complete\n"); 786 787 state = SCD_S_BEGIN1; 788 goto loop; 789 790 case SCD_S_WAITFIFO: 791 sc->ch_state = SCD_S_WAITFIFO; 792 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 793 if (mbx->count-- <= 0) { 794 device_printf(sc->dev, "timeout. write param not ready.\n"); 795 goto harderr; 796 } 797 if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) { 798 sc->ch_state = SCD_S_WAITFIFO; 799 sc->ch = timeout(scd_timeout, (caddr_t)sc,hz/100); /* XXX */ 800 return; 801 } 802 XDEBUG(sc, 1, "mbx->count (writeparamwait) = %d(%d)\n", mbx->count, 100); 803 804writeparam: 805 /* The reason this test isn't done 'till now is to make sure */ 806 /* that it is ok to send the SPIN_UP cmd below. */ 807 if (!(sc->data.flags & SCDSPINNING)) { 808 XDEBUG(sc, 1, "spinning up drive ...\n"); 809 SCD_WRITE(sc, OREG_COMMAND, CMD_SPIN_UP); 810 mbx->count = 300; 811 sc->ch_state = SCD_S_WAITSPIN; 812 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 813 return; 814 } 815 816 /* send the read command */ 817 critical_enter(); 818 SCD_WRITE(sc, OREG_WPARAMS, sdata[0]); 819 SCD_WRITE(sc, OREG_WPARAMS, sdata[1]); 820 SCD_WRITE(sc, OREG_WPARAMS, sdata[2]); 821 SCD_WRITE(sc, OREG_WPARAMS, 0); 822 SCD_WRITE(sc, OREG_WPARAMS, 0); 823 SCD_WRITE(sc, OREG_WPARAMS, 1); 824 SCD_WRITE(sc, OREG_COMMAND, CMD_READ); 825 critical_exit(); 826 827 mbx->count = RDELAY_WAITREAD; 828 for (i = 0; i < 50; i++) { 829 if (STATUS_BIT(sc, SBIT_DATA_READY)) 830 goto got_data; 831 DELAY(100); 832 } 833 834 sc->ch_state = SCD_S_WAITREAD; 835 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 836 return; 837 838 case SCD_S_WAITREAD: 839 sc->ch_state = SCD_S_WAITREAD; 840 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 841 if (mbx->count-- <= 0) { 842 if (STATUS_BIT(sc, SBIT_RESULT_READY)) 843 goto got_param; 844 device_printf(sc->dev, "timeout while reading data\n"); 845 goto readerr; 846 } 847 if (!STATUS_BIT(sc, SBIT_DATA_READY)) { 848 process_attention(sc); 849 if (!(sc->data.flags & SCDVALID)) 850 goto changed; 851 sc->ch_state = SCD_S_WAITREAD; 852 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 853 return; 854 } 855 XDEBUG(sc, 2, "mbx->count (after RDY_BIT) = %d(%d)\n", mbx->count, RDELAY_WAITREAD); 856 857got_data: 858 /* data is ready */ 859 addr = bp->bio_data + mbx->skip; 860 SCD_WRITE(sc, OREG_CONTROL, CBIT_DATA_READY_CLEAR); 861 SCD_READ_MULTI(sc, IREG_DATA, addr, mbx->sz); 862 863 mbx->count = 100; 864 for (i = 0; i < 20; i++) { 865 if (STATUS_BIT(sc, SBIT_RESULT_READY)) 866 goto waitfor_param; 867 DELAY(100); 868 } 869 goto waitfor_param; 870 871 case SCD_S_WAITPARAM: 872 sc->ch_state = SCD_S_WAITPARAM; 873 untimeout(scd_timeout,(caddr_t)sc, sc->ch); 874 if (mbx->count-- <= 0) { 875 device_printf(sc->dev, "timeout waiting for params\n"); 876 goto readerr; 877 } 878 879waitfor_param: 880 if (!STATUS_BIT(sc, SBIT_RESULT_READY)) { 881 sc->ch_state = SCD_S_WAITPARAM; 882 sc->ch = timeout(scd_timeout, (caddr_t)sc, hz/100); /* XXX */ 883 return; 884 } 885#ifdef SCD_DEBUG 886 if (mbx->count < 100 && scd_debuglevel > 0) 887 device_printf(sc->dev, "mbx->count (paramwait) = %d(%d)\n", mbx->count, 100); 888#endif 889 890got_param: 891 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 892 switch ((i = SCD_READ(sc, IREG_RESULT)) & 0xf0) { 893 case 0x50: 894 switch (i) { 895 case ERR_FATAL_READ_ERROR1: 896 case ERR_FATAL_READ_ERROR2: 897 device_printf(sc->dev, "unrecoverable read error 0x%x\n", i); 898 goto harderr; 899 } 900 break; 901 case 0x20: 902 i = SCD_READ(sc, IREG_RESULT); 903 switch (i) { 904 case ERR_NOT_SPINNING: 905 XDEBUG(sc, 1, "read error: drive not spinning\n"); 906 if (mbx->retry-- > 0) { 907 state = SCD_S_BEGIN1; 908 sc->data.flags &= ~SCDSPINNING; 909 goto loop; 910 } 911 goto harderr; 912 default: 913 print_error(sc, i); 914 goto readerr; 915 } 916 case 0x00: 917 i = SCD_READ(sc, IREG_RESULT); 918 break; 919 } 920 921 if (--mbx->nblk > 0) { 922 mbx->skip += mbx->sz; 923 goto nextblock; 924 } 925 926 /* return buffer */ 927 bp->bio_resid = 0; 928 biodone(bp); 929 930 sc->data.flags &= ~SCDMBXBSY; 931 scd_start(sc); 932 return; 933 } 934 935readerr: 936 if (mbx->retry-- > 0) { 937 device_printf(sc->dev, "retrying ...\n"); 938 state = SCD_S_BEGIN1; 939 goto loop; 940 } 941harderr: 942 /* invalidate the buffer */ 943 bp->bio_error = EIO; 944 bp->bio_flags |= BIO_ERROR; 945 bp->bio_resid = bp->bio_bcount; 946 biodone(bp); 947 948 sc->data.flags &= ~SCDMBXBSY; 949 scd_start(sc); 950 return; 951 952changed: 953 device_printf(sc->dev, "media changed\n"); 954 goto harderr; 955} 956 957static void 958hsg2msf(int hsg, bcd_t *msf) 959{ 960 961 hsg += 150; 962 M_msf(msf) = bin2bcd(hsg / 4500); 963 hsg %= 4500; 964 S_msf(msf) = bin2bcd(hsg / 75); 965 F_msf(msf) = bin2bcd(hsg % 75); 966} 967 968static int 969msf2hsg(bcd_t *msf) 970{ 971 972 return (bcd2bin(M_msf(msf)) * 60 + 973 bcd2bin(S_msf(msf))) * 75 + 974 bcd2bin(F_msf(msf)) - 150; 975} 976 977static void 978process_attention(struct scd_softc *sc) 979{ 980 unsigned char code; 981 int count = 0; 982 983 while (IS_ATTENTION(sc) && count++ < 30) { 984 SCD_WRITE(sc, OREG_CONTROL, CBIT_ATTENTION_CLEAR); 985 code = SCD_READ(sc, IREG_RESULT); 986 987#ifdef SCD_DEBUG 988 if (scd_debuglevel > 0) { 989 if (count == 1) 990 device_printf(sc->dev, "DEBUG: ATTENTIONS = 0x%x", code); 991 else 992 printf(",0x%x", code); 993 } 994#endif 995 996 switch (code) { 997 case ATTEN_SPIN_DOWN: 998 sc->data.flags &= ~SCDSPINNING; 999 break; 1000 1001 case ATTEN_SPIN_UP_DONE: 1002 sc->data.flags |= SCDSPINNING; 1003 break; 1004 1005 case ATTEN_AUDIO_DONE: 1006 sc->data.audio_status = CD_AS_PLAY_COMPLETED; 1007 break; 1008 1009 case ATTEN_DRIVE_LOADED: 1010 sc->data.flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); 1011 sc->data.audio_status = CD_AS_AUDIO_INVALID; 1012 break; 1013 1014 case ATTEN_EJECT_PUSHED: 1015 sc->data.flags &= ~SCDVALID; 1016 break; 1017 } 1018 DELAY(100); 1019 } 1020#ifdef SCD_DEBUG 1021 if (scd_debuglevel > 0 && count > 0) 1022 printf("\n"); 1023#endif 1024} 1025 1026/* Returns 0 OR sony error code */ 1027static int 1028spin_up(struct scd_softc *sc) 1029{ 1030 unsigned char res_reg[12]; 1031 unsigned int res_size; 1032 int rc; 1033 int loop_count = 0; 1034 1035again: 1036 rc = send_cmd(sc, CMD_SPIN_UP, 0, 0, res_reg, &res_size); 1037 if (rc != 0) { 1038 XDEBUG(sc, 2, "CMD_SPIN_UP error 0x%x\n", rc); 1039 return (rc); 1040 } 1041 1042 if (!(sc->data.flags & SCDTOC)) { 1043 rc = send_cmd(sc, CMD_READ_TOC, 0); 1044 if (rc == ERR_NOT_SPINNING) { 1045 if (loop_count++ < 3) 1046 goto again; 1047 return (rc); 1048 } 1049 if (rc != 0) 1050 return (rc); 1051 } 1052 1053 sc->data.flags |= SCDSPINNING; 1054 1055 return (0); 1056} 1057 1058static struct sony_tracklist * 1059get_tl(struct sony_toc *toc, int size) 1060{ 1061 struct sony_tracklist *tl = &toc->tracks[0]; 1062 1063 if (tl->track != 0xb0) 1064 return (tl); 1065 if (tl->track != 0xb1) 1066 return (tl); 1067 tl = (struct sony_tracklist *)((char *)tl + 9); 1068 if (tl->track != 0xb2) 1069 return (tl); 1070 tl = (struct sony_tracklist *)((char *)tl + 9); 1071 if (tl->track != 0xb3) 1072 return (tl); 1073 tl = (struct sony_tracklist *)((char *)tl + 9); 1074 if (tl->track != 0xb4) 1075 return (tl); 1076 tl = (struct sony_tracklist *)((char *)tl + 9); 1077 if (tl->track != 0xc0) 1078 return (tl); 1079 tl = (struct sony_tracklist *)((char *)tl + 9); 1080 return (tl); 1081} 1082 1083static int 1084read_toc(struct scd_softc *sc) 1085{ 1086 struct sony_toc toc; 1087 struct sony_tracklist *tl; 1088 int rc, i, j; 1089 u_long first, last; 1090 1091 rc = send_cmd(sc, CMD_GET_TOC, 1, 1); 1092 if (rc < 0) 1093 return (rc); 1094 if (rc > sizeof(toc)) { 1095 device_printf(sc->dev, "program error: toc too large (%d)\n", rc); 1096 return (EIO); 1097 } 1098 if (get_result(sc, rc, (u_char *)&toc) != 0) 1099 return (EIO); 1100 1101 XDEBUG(sc, 1, "toc read. len = %d, sizeof(toc) = %d\n", rc, sizeof(toc)); 1102 1103 tl = get_tl(&toc, rc); 1104 first = msf2hsg(tl->start_msf); 1105 last = msf2hsg(toc.lead_out_start_msf); 1106 sc->data.blksize = SCDBLKSIZE; 1107 sc->data.disksize = last*sc->data.blksize/DEV_BSIZE; 1108 1109 XDEBUG(sc, 1, "firstsector = %ld, lastsector = %ld", first, last); 1110 1111 sc->data.first_track = bcd2bin(toc.first_track); 1112 sc->data.last_track = bcd2bin(toc.last_track); 1113 if (sc->data.last_track > (MAX_TRACKS-2)) 1114 sc->data.last_track = MAX_TRACKS-2; 1115 for (j = 0, i = sc->data.first_track; i <= sc->data.last_track; i++, j++) { 1116 sc->data.toc[i].adr = tl[j].adr; 1117 sc->data.toc[i].ctl = tl[j].ctl; /* for xcdplayer */ 1118 bcopy(tl[j].start_msf, sc->data.toc[i].start_msf, 3); 1119#ifdef SCD_DEBUG 1120 if (scd_debuglevel > 0) { 1121 if ((j % 3) == 0) { 1122 printf("\n"); 1123 device_printf(sc->dev, "tracks "); 1124 } 1125 printf("[%03d: %2d %2d %2d] ", i, 1126 bcd2bin(sc->data.toc[i].start_msf[0]), 1127 bcd2bin(sc->data.toc[i].start_msf[1]), 1128 bcd2bin(sc->data.toc[i].start_msf[2])); 1129 } 1130#endif 1131 } 1132 bcopy(toc.lead_out_start_msf, sc->data.toc[sc->data.last_track+1].start_msf, 3); 1133#ifdef SCD_DEBUG 1134 if (scd_debuglevel > 0) { 1135 i = sc->data.last_track+1; 1136 printf("[END: %2d %2d %2d]\n", 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 sc->data.flags |= SCDTOC; 1144 1145 return (0); 1146} 1147 1148static void 1149init_drive(struct scd_softc *sc) 1150{ 1151 int rc; 1152 1153 rc = send_cmd(sc, CMD_SET_DRIVE_PARAM, 2, 1154 0x05, 0x03 | ((sc->data.double_speed) ? 0x04: 0)); 1155 if (rc != 0) 1156 device_printf(sc->dev, "Unable to set parameters. Errcode = 0x%x\n", rc); 1157} 1158 1159/* Returns 0 or errno */ 1160static int 1161get_result(struct scd_softc *sc, int result_len, u_char *result) 1162{ 1163 int loop_index = 2; /* send_cmd() reads two bytes ... */ 1164 1165 XDEBUG(sc, 1, "DEBUG: get_result: bytes=%d\n", result_len); 1166 1167 while (result_len-- > 0) { 1168 if (loop_index++ >= 10) { 1169 loop_index = 1; 1170 if (waitfor_status_bits(sc, SBIT_RESULT_READY, 0)) 1171 return (EIO); 1172 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 1173 } 1174 if (result) 1175 *result++ = SCD_READ(sc, IREG_RESULT); 1176 else 1177 (void)SCD_READ(sc, IREG_RESULT); 1178 } 1179 return (0); 1180} 1181 1182/* Returns -0x100 for timeout, -(drive error code) OR number of result bytes */ 1183static int 1184send_cmd(struct scd_softc *sc, u_char cmd, u_int nargs, ...) 1185{ 1186 va_list ap; 1187 u_char c; 1188 int rc; 1189 int i; 1190 1191 if (waitfor_status_bits(sc, 0, SBIT_BUSY)) { 1192 device_printf(sc->dev, "drive busy\n"); 1193 return (-0x100); 1194 } 1195 1196 XDEBUG(sc, 1, "DEBUG: send_cmd: cmd=0x%x nargs=%d", cmd, nargs); 1197 1198 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 1199 SCD_WRITE(sc, OREG_CONTROL, CBIT_RPARAM_CLEAR); 1200 1201 for (i = 0; i < 100; i++) 1202 if (FSTATUS_BIT(sc, FBIT_WPARAM_READY)) 1203 break; 1204 if (!FSTATUS_BIT(sc, FBIT_WPARAM_READY)) { 1205 XDEBUG(sc, 1, "\nwparam timeout\n"); 1206 return (-EIO); 1207 } 1208 1209 va_start(ap, nargs); 1210 for (i = 0; i < nargs; i++) { 1211 c = (u_char)va_arg(ap, int); 1212 SCD_WRITE(sc, OREG_WPARAMS, c); 1213 XDEBUG(sc, 1, ",{0x%x}", c); 1214 } 1215 va_end(ap); 1216 XDEBUG(sc, 1, "\n"); 1217 1218 SCD_WRITE(sc, OREG_COMMAND, cmd); 1219 1220 rc = waitfor_status_bits(sc, SBIT_RESULT_READY, SBIT_BUSY); 1221 if (rc) 1222 return (-0x100); 1223 1224 SCD_WRITE(sc, OREG_CONTROL, CBIT_RESULT_READY_CLEAR); 1225 switch ((rc = SCD_READ(sc, IREG_RESULT)) & 0xf0) { 1226 case 0x20: 1227 rc = SCD_READ(sc, IREG_RESULT); 1228 /* FALLTHROUGH */ 1229 case 0x50: 1230 XDEBUG(sc, 1, "DEBUG: send_cmd: drive_error=0x%x\n", rc); 1231 return (-rc); 1232 case 0x00: 1233 default: 1234 rc = SCD_READ(sc, IREG_RESULT); 1235 XDEBUG(sc, 1, "DEBUG: send_cmd: result_len=%d\n", rc); 1236 return (rc); 1237 } 1238} 1239 1240static void 1241print_error(struct scd_softc *sc, int errcode) 1242{ 1243 1244 switch (errcode) { 1245 case -ERR_CD_NOT_LOADED: 1246 device_printf(sc->dev, "door is open\n"); 1247 break; 1248 case -ERR_NO_CD_INSIDE: 1249 device_printf(sc->dev, "no cd inside\n"); 1250 break; 1251 default: 1252 if (errcode == -0x100 || errcode > 0) 1253 device_printf(sc->dev, "device timeout\n"); 1254 else 1255 device_printf(sc->dev, "unexpected error 0x%x\n", -errcode); 1256 break; 1257 } 1258} 1259 1260/* Returns 0 or errno value */ 1261static int 1262waitfor_status_bits(struct scd_softc *sc, int bits_set, int bits_clear) 1263{ 1264 u_int flags = sc->data.flags; 1265 u_int max_loop; 1266 u_char c = 0; 1267 1268 if (flags & SCDPROBING) { 1269 max_loop = 0; 1270 while (max_loop++ < 1000) { 1271 c = SCD_READ(sc, IREG_STATUS); 1272 if (c == 0xff) 1273 return (EIO); 1274 if (c & SBIT_ATTENTION) { 1275 process_attention(sc); 1276 continue; 1277 } 1278 if ((c & bits_set) == bits_set && 1279 (c & bits_clear) == 0) 1280 { 1281 break; 1282 } 1283 DELAY(10000); 1284 } 1285 } else { 1286 max_loop = 100; 1287 while (max_loop-- > 0) { 1288 c = SCD_READ(sc, IREG_STATUS); 1289 if (c & SBIT_ATTENTION) { 1290 process_attention(sc); 1291 continue; 1292 } 1293 if ((c & bits_set) == bits_set && 1294 (c & bits_clear) == 0) 1295 { 1296 break; 1297 } 1298 pause("waitfor", hz/10); 1299 } 1300 } 1301 if ((c & bits_set) == bits_set && 1302 (c & bits_clear) == 0) 1303 { 1304 return (0); 1305 } 1306#ifdef SCD_DEBUG 1307 if (scd_debuglevel > 0) 1308 device_printf(sc->dev, "DEBUG: waitfor: TIMEOUT (0x%x,(0x%x,0x%x))\n", c, bits_set, bits_clear); 1309 else 1310#endif 1311 device_printf(sc->dev, "timeout.\n"); 1312 return (EIO); 1313} 1314 1315/* these two routines for xcdplayer - "borrowed" from mcd.c */ 1316static int 1317scd_toc_header (struct scd_softc *sc, struct ioc_toc_header* th) 1318{ 1319 int rc; 1320 1321 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 1322 print_error(sc, rc); 1323 return (EIO); 1324 } 1325 1326 th->starting_track = sc->data.first_track; 1327 th->ending_track = sc->data.last_track; 1328 th->len = 0; /* not used */ 1329 1330 return (0); 1331} 1332 1333static int 1334scd_toc_entrys (struct scd_softc *sc, struct ioc_read_toc_entry *te) 1335{ 1336 struct cd_toc_entry toc_entry; 1337 int rc, i, len = te->data_len; 1338 1339 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 1340 print_error(sc, rc); 1341 return (EIO); 1342 } 1343 1344 /* find the toc to copy*/ 1345 i = te->starting_track; 1346 if (i == SCD_LASTPLUS1) 1347 i = sc->data.last_track + 1; 1348 1349 /* verify starting track */ 1350 if (i < sc->data.first_track || i > sc->data.last_track+1) 1351 return (EINVAL); 1352 1353 /* valid length ? */ 1354 if (len < sizeof(struct cd_toc_entry) 1355 || (len % sizeof(struct cd_toc_entry)) != 0) 1356 return (EINVAL); 1357 1358 /* copy the toc data */ 1359 toc_entry.control = sc->data.toc[i].ctl; 1360 toc_entry.addr_type = te->address_format; 1361 toc_entry.track = i; 1362 if (te->address_format == CD_MSF_FORMAT) { 1363 toc_entry.addr.msf.unused = 0; 1364 toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]); 1365 toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]); 1366 toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]); 1367 } 1368 1369 /* copy the data back */ 1370 if (copyout(&toc_entry, te->data, sizeof(struct cd_toc_entry)) != 0) 1371 return (EFAULT); 1372 1373 return (0); 1374} 1375 1376 1377static int 1378scd_toc_entry (struct scd_softc *sc, struct ioc_read_toc_single_entry *te) 1379{ 1380 struct cd_toc_entry toc_entry; 1381 int rc, i; 1382 1383 if (!(sc->data.flags & SCDTOC) && (rc = read_toc(sc)) != 0) { 1384 print_error(sc, rc); 1385 return (EIO); 1386 } 1387 1388 /* find the toc to copy*/ 1389 i = te->track; 1390 if (i == SCD_LASTPLUS1) 1391 i = sc->data.last_track + 1; 1392 1393 /* verify starting track */ 1394 if (i < sc->data.first_track || i > sc->data.last_track+1) 1395 return (EINVAL); 1396 1397 /* copy the toc data */ 1398 toc_entry.control = sc->data.toc[i].ctl; 1399 toc_entry.addr_type = te->address_format; 1400 toc_entry.track = i; 1401 if (te->address_format == CD_MSF_FORMAT) { 1402 toc_entry.addr.msf.unused = 0; 1403 toc_entry.addr.msf.minute = bcd2bin(sc->data.toc[i].start_msf[0]); 1404 toc_entry.addr.msf.second = bcd2bin(sc->data.toc[i].start_msf[1]); 1405 toc_entry.addr.msf.frame = bcd2bin(sc->data.toc[i].start_msf[2]); 1406 } 1407 1408 /* copy the data back */ 1409 bcopy(&toc_entry, &te->entry, sizeof(struct cd_toc_entry)); 1410 1411 return (0); 1412} 1413