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sys/dev/mcd/mcd.c
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1 /*- 2 * Copyright 1993 by Holger Veit (data part) 3 * Copyright 1993 by Brian Moore (audio part) 4 * Changes Copyright 1993 by Gary Clark II 5 * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia 6 * 7 * Rewrote probe routine to work on newer Mitsumi drives. 8 * Additional changes (C) 1994 by Jordan K. Hubbard 9 * 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This software was developed by Holger Veit and Brian Moore 23 * for use with "386BSD" and similar operating systems. 24 * "Similar operating systems" includes mainly non-profit oriented 25 * systems for research and education, including but not restricted to 26 * "NetBSD", "FreeBSD", "Mach" (by CMU). 27 * 4. Neither the name of the developer(s) nor the name "386BSD" 28 * may be used to endorse or promote products derived from this 29 * software without specific prior written permission. 30 * 31 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 32 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 34 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 36 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 37 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 38 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 42 * 43 */ 44 45 #include <sys/cdefs.h> 46 __FBSDID("$FreeBSD: releng/9.0/sys/dev/mcd/mcd.c 146734 2005-05-29 04:42:30Z nyan $"); 47 static const char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore"; 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/bus.h> 60 #include <machine/resource.h> 61 #include <sys/rman.h> 62 63 #include <isa/isavar.h> 64 65 #include <dev/mcd/mcdreg.h> 66 #include <dev/mcd/mcdvar.h> 67 68 #define MCD_TRACE(format, args...) \ 69 { \ 70 if (sc->debug) { \ 71 device_printf(sc->dev, "status=0x%02x: ", \ 72 sc->data.status); \ 73 printf(format, ## args); \ 74 } \ 75 } 76 77 #define RAW_PART 2 78 79 /* flags */ 80 #define MCDVALID 0x0001 /* parameters loaded */ 81 #define MCDINIT 0x0002 /* device is init'd */ 82 #define MCDNEWMODEL 0x0004 /* device is new model */ 83 #define MCDLABEL 0x0008 /* label is read */ 84 #define MCDPROBING 0x0010 /* probing */ 85 #define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */ 86 #define MCDVOLINFO 0x0040 /* already read volinfo */ 87 #define MCDTOC 0x0080 /* already read toc */ 88 #define MCDMBXBSY 0x0100 /* local mbx is busy */ 89 90 /* status */ 91 #define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */ 92 #define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */ 93 #define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */ 94 #define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */ 95 96 /* These are apparently the different states a mitsumi can get up to */ 97 #define MCDCDABSENT 0x0030 98 #define MCDCDPRESENT 0x0020 99 #define MCDSCLOSED 0x0080 100 #define MCDSOPEN 0x00a0 101 102 #define MCD_MD_UNKNOWN (-1) 103 104 #define MCD_TYPE_UNKNOWN 0 105 #define MCD_TYPE_LU002S 1 106 #define MCD_TYPE_LU005S 2 107 #define MCD_TYPE_LU006S 3 108 #define MCD_TYPE_FX001 4 109 #define MCD_TYPE_FX001D 5 110 111 /* reader state machine */ 112 #define MCD_S_BEGIN 0 113 #define MCD_S_BEGIN1 1 114 #define MCD_S_WAITSTAT 2 115 #define MCD_S_WAITMODE 3 116 #define MCD_S_WAITREAD 4 117 118 /* prototypes */ 119 static void mcd_start(struct mcd_softc *); 120 #ifdef NOTYET 121 static void mcd_configure(struct mcd_softc *sc); 122 #endif 123 static int mcd_get(struct mcd_softc *, char *buf, int nmax); 124 static int mcd_setflags(struct mcd_softc *); 125 static int mcd_getstat(struct mcd_softc *,int sflg); 126 static int mcd_send(struct mcd_softc *, int cmd,int nretrys); 127 static void hsg2msf(int hsg, bcd_t *msf); 128 static int msf2hsg(bcd_t *msf, int relative); 129 static int mcd_volinfo(struct mcd_softc *); 130 static int mcd_waitrdy(struct mcd_softc *,int dly); 131 static timeout_t mcd_timeout; 132 static void mcd_doread(struct mcd_softc *, int state, struct mcd_mbx *mbxin); 133 static void mcd_soft_reset(struct mcd_softc *); 134 static int mcd_hard_reset(struct mcd_softc *); 135 static int mcd_setmode(struct mcd_softc *, int mode); 136 static int mcd_getqchan(struct mcd_softc *, struct mcd_qchninfo *q); 137 static int mcd_subchan(struct mcd_softc *, struct ioc_read_subchannel *sc, 138 int nocopyout); 139 static int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *th); 140 static int mcd_read_toc(struct mcd_softc *); 141 static int mcd_toc_entrys(struct mcd_softc *, struct ioc_read_toc_entry *te); 142 #if 0 143 static int mcd_toc_entry(struct mcd_softc *, struct ioc_read_toc_single_entry *te); 144 #endif 145 static int mcd_stop(struct mcd_softc *); 146 static int mcd_eject(struct mcd_softc *); 147 static int mcd_inject(struct mcd_softc *); 148 static int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *pt); 149 static int mcd_play(struct mcd_softc *, struct mcd_read2 *pb); 150 static int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *pt); 151 static int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *); 152 static int mcd_pause(struct mcd_softc *); 153 static int mcd_resume(struct mcd_softc *); 154 static int mcd_lock_door(struct mcd_softc *, int lock); 155 static int mcd_close_tray(struct mcd_softc *); 156 static int mcd_size(struct cdev *dev); 157 158 static d_open_t mcdopen; 159 static d_close_t mcdclose; 160 static d_ioctl_t mcdioctl; 161 static d_strategy_t mcdstrategy; 162 163 static struct cdevsw mcd_cdevsw = { 164 .d_version = D_VERSION, 165 .d_open = mcdopen, 166 .d_close = mcdclose, 167 .d_read = physread, 168 .d_ioctl = mcdioctl, 169 .d_strategy = mcdstrategy, 170 .d_name = "mcd", 171 .d_flags = D_DISK | D_NEEDGIANT, 172 }; 173 174 #define MCD_RETRYS 5 175 #define MCD_RDRETRYS 8 176 177 #define CLOSE_TRAY_SECS 8 178 #define DISK_SENSE_SECS 3 179 #define WAIT_FRAC 4 180 181 /* several delays */ 182 #define RDELAY_WAITSTAT 300 183 #define RDELAY_WAITMODE 300 184 #define RDELAY_WAITREAD 800 185 186 #define MIN_DELAY 15 187 #define DELAY_GETREPLY 5000000 188 189 int 190 mcd_attach(struct mcd_softc *sc) 191 { 192 int unit; 193 194 unit = device_get_unit(sc->dev); 195 196 sc->data.flags |= MCDINIT; 197 mcd_soft_reset(sc); 198 bioq_init(&sc->data.head); 199 200 #ifdef NOTYET 201 /* wire controller for interrupts and dma */ 202 mcd_configure(sc); 203 #endif 204 /* name filled in probe */ 205 sc->mcd_dev_t = make_dev(&mcd_cdevsw, 8 * unit, 206 UID_ROOT, GID_OPERATOR, 0640, "mcd%d", unit); 207 208 sc->mcd_dev_t->si_drv1 = (void *)sc; 209 210 return (0); 211 } 212 213 static int 214 mcdopen(struct cdev *dev, int flags, int fmt, struct thread *td) 215 { 216 struct mcd_softc *sc; 217 int r,retry; 218 219 sc = (struct mcd_softc *)dev->si_drv1; 220 221 /* not initialized*/ 222 if (!(sc->data.flags & MCDINIT)) 223 return (ENXIO); 224 225 /* invalidated in the meantime? mark all open part's invalid */ 226 if (!(sc->data.flags & MCDVALID) && sc->data.openflags) 227 return (ENXIO); 228 229 if (mcd_getstat(sc, 1) == -1) 230 return (EIO); 231 232 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN)) 233 || !(sc->data.status & MCDDSKIN)) 234 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) { 235 (void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdsn1", hz/WAIT_FRAC); 236 if ((r = mcd_getstat(sc, 1)) == -1) 237 return (EIO); 238 if (r != -2) 239 break; 240 } 241 242 if (sc->data.status & MCDDOOROPEN) { 243 device_printf(sc->dev, "door is open\n"); 244 return (ENXIO); 245 } 246 if (!(sc->data.status & MCDDSKIN)) { 247 device_printf(sc->dev, "no CD inside\n"); 248 return (ENXIO); 249 } 250 if (sc->data.status & MCDDSKCHNG) { 251 device_printf(sc->dev, "CD not sensed\n"); 252 return (ENXIO); 253 } 254 255 if (mcd_size(dev) < 0) { 256 device_printf(sc->dev, "failed to get disk size\n"); 257 return (ENXIO); 258 } 259 260 sc->data.openflags = 1; 261 sc->data.partflags |= MCDREADRAW; 262 sc->data.flags |= MCDVALID; 263 264 (void) mcd_lock_door(sc, MCD_LK_LOCK); 265 if (!(sc->data.flags & MCDVALID)) 266 return (ENXIO); 267 268 return mcd_read_toc(sc); 269 } 270 271 static int 272 mcdclose(struct cdev *dev, int flags, int fmt, struct thread *td) 273 { 274 struct mcd_softc *sc; 275 276 sc = (struct mcd_softc *)dev->si_drv1; 277 278 if (!(sc->data.flags & MCDINIT) || !sc->data.openflags) 279 return (ENXIO); 280 281 (void) mcd_lock_door(sc, MCD_LK_UNLOCK); 282 sc->data.openflags = 0; 283 sc->data.partflags &= ~MCDREADRAW; 284 285 return (0); 286 } 287 288 static void 289 mcdstrategy(struct bio *bp) 290 { 291 struct mcd_softc *sc; 292 int s; 293 294 sc = (struct mcd_softc *)bp->bio_dev->si_drv1; 295 296 /* if device invalidated (e.g. media change, door open), error */ 297 if (!(sc->data.flags & MCDVALID)) { 298 device_printf(sc->dev, "media changed\n"); 299 bp->bio_error = EIO; 300 goto bad; 301 } 302 303 /* read only */ 304 if (!(bp->bio_cmd == BIO_READ)) { 305 bp->bio_error = EROFS; 306 goto bad; 307 } 308 309 /* no data to read */ 310 if (bp->bio_bcount == 0) 311 goto done; 312 313 if (!(sc->data.flags & MCDTOC)) { 314 bp->bio_error = EIO; 315 goto bad; 316 } 317 318 bp->bio_resid = 0; 319 320 /* queue it */ 321 s = splbio(); 322 bioq_disksort(&sc->data.head, bp); 323 splx(s); 324 325 /* now check whether we can perform processing */ 326 mcd_start(sc); 327 return; 328 329 bad: 330 bp->bio_flags |= BIO_ERROR; 331 done: 332 bp->bio_resid = bp->bio_bcount; 333 biodone(bp); 334 return; 335 } 336 337 static void 338 mcd_start(struct mcd_softc *sc) 339 { 340 struct bio *bp; 341 int s = splbio(); 342 343 if (sc->data.flags & MCDMBXBSY) { 344 splx(s); 345 return; 346 } 347 348 bp = bioq_takefirst(&sc->data.head); 349 if (bp != 0) { 350 /* block found to process, dequeue */ 351 /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/ 352 sc->data.flags |= MCDMBXBSY; 353 splx(s); 354 } else { 355 /* nothing to do */ 356 splx(s); 357 return; 358 } 359 360 sc->data.mbx.retry = MCD_RETRYS; 361 sc->data.mbx.bp = bp; 362 363 mcd_doread(sc, MCD_S_BEGIN,&(sc->data.mbx)); 364 return; 365 } 366 367 static int 368 mcdioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td) 369 { 370 struct mcd_softc *sc; 371 int retry,r; 372 373 sc = (struct mcd_softc *)dev->si_drv1; 374 375 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */ 376 return (EIO); 377 MCD_TRACE("ioctl called 0x%lx\n", cmd); 378 379 switch (cmd) { 380 case CDIOCSETPATCH: 381 case CDIOCGETVOL: 382 case CDIOCSETVOL: 383 case CDIOCSETMONO: 384 case CDIOCSETSTERIO: 385 case CDIOCSETMUTE: 386 case CDIOCSETLEFT: 387 case CDIOCSETRIGHT: 388 return (EINVAL); 389 case CDIOCEJECT: 390 return mcd_eject(sc); 391 case CDIOCSETDEBUG: 392 sc->data.debug = 1; 393 return (0); 394 case CDIOCCLRDEBUG: 395 sc->data.debug = 0; 396 return (0); 397 case CDIOCRESET: 398 return mcd_hard_reset(sc); 399 case CDIOCALLOW: 400 return mcd_lock_door(sc, MCD_LK_UNLOCK); 401 case CDIOCPREVENT: 402 return mcd_lock_door(sc, MCD_LK_LOCK); 403 case CDIOCCLOSE: 404 return mcd_inject(sc); 405 } 406 407 if (!(sc->data.flags & MCDVALID)) { 408 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN)) 409 || !(sc->data.status & MCDDSKIN)) 410 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) { 411 (void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdsn2", hz/WAIT_FRAC); 412 if ((r = mcd_getstat(sc, 1)) == -1) 413 return (EIO); 414 if (r != -2) 415 break; 416 } 417 if ( (sc->data.status & (MCDDOOROPEN|MCDDSKCHNG)) 418 || !(sc->data.status & MCDDSKIN) 419 || mcd_size(dev) < 0 420 ) 421 return (ENXIO); 422 sc->data.flags |= MCDVALID; 423 sc->data.partflags |= MCDREADRAW; 424 (void) mcd_lock_door(sc, MCD_LK_LOCK); 425 if (!(sc->data.flags & MCDVALID)) 426 return (ENXIO); 427 } 428 429 switch (cmd) { 430 case DIOCGMEDIASIZE: 431 *(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize; 432 return (0); 433 case DIOCGSECTORSIZE: 434 *(u_int *)addr = sc->data.blksize; 435 return (0); 436 437 case CDIOCPLAYTRACKS: 438 return mcd_playtracks(sc, (struct ioc_play_track *) addr); 439 case CDIOCPLAYBLOCKS: 440 return mcd_playblocks(sc, (struct ioc_play_blocks *) addr); 441 case CDIOCPLAYMSF: 442 return mcd_playmsf(sc, (struct ioc_play_msf *) addr); 443 case CDIOCREADSUBCHANNEL_SYSSPACE: 444 return mcd_subchan(sc, (struct ioc_read_subchannel *) addr, 1); 445 case CDIOCREADSUBCHANNEL: 446 return mcd_subchan(sc, (struct ioc_read_subchannel *) addr, 0); 447 case CDIOREADTOCHEADER: 448 return mcd_toc_header(sc, (struct ioc_toc_header *) addr); 449 case CDIOREADTOCENTRYS: 450 return mcd_toc_entrys(sc, (struct ioc_read_toc_entry *) addr); 451 case CDIOCRESUME: 452 return mcd_resume(sc); 453 case CDIOCPAUSE: 454 return mcd_pause(sc); 455 case CDIOCSTART: 456 if (mcd_setmode(sc, MCD_MD_COOKED) != 0) 457 return (EIO); 458 return (0); 459 case CDIOCSTOP: 460 return mcd_stop(sc); 461 default: 462 return (ENOTTY); 463 } 464 /*NOTREACHED*/ 465 } 466 467 static int 468 mcd_size(struct cdev *dev) 469 { 470 struct mcd_softc *sc; 471 int size; 472 473 sc = (struct mcd_softc *)dev->si_drv1; 474 475 if (mcd_volinfo(sc) == 0) { 476 sc->data.blksize = MCDBLK; 477 size = msf2hsg(sc->data.volinfo.vol_msf, 0); 478 sc->data.disksize = size * (MCDBLK/DEV_BSIZE); 479 return (0); 480 } 481 return (-1); 482 } 483 484 /*************************************************************** 485 * lower level of driver starts here 486 **************************************************************/ 487 488 #ifdef NOTDEF 489 static char 490 irqs[] = { 491 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00, 492 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00 493 }; 494 495 static char 496 drqs[] = { 497 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07, 498 }; 499 #endif 500 501 #ifdef NOT_YET 502 static void 503 mcd_configure(struct mcd_softc *sc) 504 { 505 MCD_WRITE(sc, MCD_REG_CONFIG, sc->data.config); 506 } 507 #endif 508 509 /* Wait for non-busy - return 0 on timeout */ 510 static int 511 twiddle_thumbs(struct mcd_softc *sc, int count, char *whine) 512 { 513 int i; 514 515 for (i = 0; i < count; i++) { 516 if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)) 517 return (1); 518 } 519 if (bootverbose) 520 device_printf(sc->dev, "timeout %s\n", whine); 521 return (0); 522 } 523 524 /* check to see if a Mitsumi CD-ROM is attached to the ISA bus */ 525 526 int 527 mcd_probe(struct mcd_softc *sc) 528 { 529 int i, j; 530 unsigned char stbytes[3]; 531 532 sc->data.flags = MCDPROBING; 533 534 #ifdef NOTDEF 535 /* get irq/drq configuration word */ 536 sc->data.config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/ 537 #else 538 sc->data.config = 0; 539 #endif 540 541 /* send a reset */ 542 MCD_WRITE(sc, MCD_FLAGS, M_RESET); 543 544 /* 545 * delay awhile by getting any pending garbage (old data) and 546 * throwing it away. 547 */ 548 for (i = 1000000; i != 0; i--) 549 (void)MCD_READ(sc, MCD_FLAGS); 550 551 /* Get status */ 552 MCD_WRITE(sc, MCD_DATA, MCD_CMDGETSTAT); 553 if (!twiddle_thumbs(sc, 1000000, "getting status")) 554 return (ENXIO); /* Timeout */ 555 /* Get version information */ 556 MCD_WRITE(sc, MCD_DATA, MCD_CMDCONTINFO); 557 for (j = 0; j < 3; j++) { 558 if (!twiddle_thumbs(sc, 3000, "getting version info")) 559 return (ENXIO); 560 stbytes[j] = (MCD_READ(sc, MCD_DATA) & 0xFF); 561 } 562 if (stbytes[1] == stbytes[2]) 563 return (ENXIO); 564 if (stbytes[2] >= 4 || stbytes[1] != 'M') { 565 MCD_WRITE(sc, MCD_CTRL, M_PICKLE); 566 sc->data.flags |= MCDNEWMODEL; 567 } 568 sc->data.read_command = MCD_CMDSINGLESPEEDREAD; 569 switch (stbytes[1]) { 570 case 'M': 571 if (stbytes[2] <= 2) { 572 sc->data.type = MCD_TYPE_LU002S; 573 sc->data.name = "Mitsumi LU002S"; 574 } else if (stbytes[2] <= 5) { 575 sc->data.type = MCD_TYPE_LU005S; 576 sc->data.name = "Mitsumi LU005S"; 577 } else { 578 sc->data.type = MCD_TYPE_LU006S; 579 sc->data.name = "Mitsumi LU006S"; 580 } 581 break; 582 case 'F': 583 sc->data.type = MCD_TYPE_FX001; 584 sc->data.name = "Mitsumi FX001"; 585 break; 586 case 'D': 587 sc->data.type = MCD_TYPE_FX001D; 588 sc->data.name = "Mitsumi FX001D"; 589 sc->data.read_command = MCD_CMDDOUBLESPEEDREAD; 590 break; 591 default: 592 sc->data.type = MCD_TYPE_UNKNOWN; 593 sc->data.name = "Mitsumi ???"; 594 break; 595 } 596 597 if (bootverbose) 598 device_printf(sc->dev, "type %s, version info: %c %x\n", 599 sc->data.name, stbytes[1], stbytes[2]); 600 601 return (0); 602 } 603 604 605 static int 606 mcd_waitrdy(struct mcd_softc *sc, int dly) 607 { 608 int i; 609 610 /* wait until flag port senses status ready */ 611 for (i=0; i<dly; i+=MIN_DELAY) { 612 if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)) 613 return (0); 614 DELAY(MIN_DELAY); 615 } 616 return (-1); 617 } 618 619 static int 620 mcd_getreply(struct mcd_softc *sc, int dly) 621 { 622 623 /* wait data to become ready */ 624 if (mcd_waitrdy(sc, dly)<0) { 625 device_printf(sc->dev, "timeout getreply\n"); 626 return (-1); 627 } 628 629 /* get the data */ 630 return (MCD_READ(sc, MCD_REG_STATUS) & 0xFF); 631 } 632 633 static int 634 mcd_getstat(struct mcd_softc *sc, int sflg) 635 { 636 int i; 637 638 /* get the status */ 639 if (sflg) 640 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT); 641 i = mcd_getreply(sc, DELAY_GETREPLY); 642 if (i<0 || (i & MCD_ST_CMDCHECK)) { 643 sc->data.curr_mode = MCD_MD_UNKNOWN; 644 return (-1); 645 } 646 647 sc->data.status = i; 648 649 if (mcd_setflags(sc) < 0) 650 return (-2); 651 return (sc->data.status); 652 } 653 654 static int 655 mcd_setflags(struct mcd_softc *sc) 656 { 657 658 /* check flags */ 659 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN)) 660 || !(sc->data.status & MCDDSKIN)) { 661 MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n"); 662 mcd_soft_reset(sc); 663 return (-1); 664 } 665 666 if (sc->data.status & MCDAUDIOBSY) 667 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS; 668 else if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS) 669 sc->data.audio_status = CD_AS_PLAY_COMPLETED; 670 return (0); 671 } 672 673 static int 674 mcd_get(struct mcd_softc *sc, char *buf, int nmax) 675 { 676 int i,k; 677 678 for (i=0; i<nmax; i++) { 679 /* wait for data */ 680 if ((k = mcd_getreply(sc, DELAY_GETREPLY)) < 0) { 681 device_printf(sc->dev, "timeout mcd_get\n"); 682 return (-1); 683 } 684 buf[i] = k; 685 } 686 return (i); 687 } 688 689 static int 690 mcd_send(struct mcd_softc *sc, int cmd,int nretrys) 691 { 692 int i,k=0; 693 694 /*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/ 695 for (i=0; i<nretrys; i++) { 696 MCD_WRITE(sc, MCD_REG_COMMAND, cmd); 697 if ((k=mcd_getstat(sc, 0)) != -1) 698 break; 699 } 700 if (k == -2) { 701 device_printf(sc->dev, "media changed\n"); 702 return (-1); 703 } 704 if (i == nretrys) { 705 device_printf(sc->dev, "mcd_send retry cnt exceeded\n"); 706 return (-1); 707 } 708 /*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/ 709 return (0); 710 } 711 712 static void 713 hsg2msf(int hsg, bcd_t *msf) 714 { 715 hsg += 150; 716 F_msf(msf) = bin2bcd(hsg % 75); 717 hsg /= 75; 718 S_msf(msf) = bin2bcd(hsg % 60); 719 hsg /= 60; 720 M_msf(msf) = bin2bcd(hsg); 721 } 722 723 static int 724 msf2hsg(bcd_t *msf, int relative) 725 { 726 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 + 727 bcd2bin(F_msf(msf)) - (!relative) * 150; 728 } 729 730 static int 731 mcd_volinfo(struct mcd_softc *sc) 732 { 733 734 /* Just return if we already have it */ 735 if (sc->data.flags & MCDVOLINFO) return (0); 736 737 /*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/ 738 739 /* send volume info command */ 740 if (mcd_send(sc, MCD_CMDGETVOLINFO,MCD_RETRYS) < 0) 741 return (EIO); 742 743 /* get data */ 744 if (mcd_get(sc, (char*) &sc->data.volinfo,sizeof(struct mcd_volinfo)) < 0) { 745 device_printf(sc->dev, "mcd_volinfo: error read data\n"); 746 return (EIO); 747 } 748 749 if (sc->data.volinfo.trk_low > 0 && 750 sc->data.volinfo.trk_high >= sc->data.volinfo.trk_low 751 ) { 752 sc->data.flags |= MCDVOLINFO; /* volinfo is OK */ 753 return (0); 754 } 755 756 return (EINVAL); 757 } 758 759 /* state machine to process read requests 760 * initialize with MCD_S_BEGIN: calculate sizes, and read status 761 * MCD_S_WAITSTAT: wait for status reply, set mode 762 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 763 * MCD_S_WAITREAD: wait for read ready, read data 764 */ 765 static void 766 mcd_timeout(void *arg) 767 { 768 struct mcd_softc *sc; 769 770 sc = (struct mcd_softc *)arg; 771 772 mcd_doread(sc, sc->ch_state, sc->ch_mbxsave); 773 } 774 775 static void 776 mcd_doread(struct mcd_softc *sc, int state, struct mcd_mbx *mbxin) 777 { 778 struct mcd_mbx *mbx; 779 struct bio *bp; 780 int rm, i, k; 781 struct mcd_read2 rbuf; 782 int blknum; 783 caddr_t addr; 784 785 mbx = (state!=MCD_S_BEGIN) ? sc->ch_mbxsave : mbxin; 786 bp = mbx->bp; 787 788 loop: 789 switch (state) { 790 case MCD_S_BEGIN: 791 mbx = sc->ch_mbxsave = mbxin; 792 793 case MCD_S_BEGIN1: 794 retry_status: 795 /* get status */ 796 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT); 797 mbx->count = RDELAY_WAITSTAT; 798 sc->ch_state = MCD_S_WAITSTAT; 799 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */ 800 return; 801 case MCD_S_WAITSTAT: 802 sc->ch_state = MCD_S_WAITSTAT; 803 untimeout(mcd_timeout,(caddr_t)sc, sc->ch); 804 if (mbx->count-- >= 0) { 805 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) { 806 sc->ch_state = MCD_S_WAITSTAT; 807 timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */ 808 return; 809 } 810 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF; 811 if (sc->data.status & MCD_ST_CMDCHECK) 812 goto retry_status; 813 if (mcd_setflags(sc) < 0) 814 goto changed; 815 MCD_TRACE("got WAITSTAT delay=%d\n", 816 RDELAY_WAITSTAT-mbx->count); 817 /* reject, if audio active */ 818 if (sc->data.status & MCDAUDIOBSY) { 819 device_printf(sc->dev, "audio is active\n"); 820 goto readerr; 821 } 822 823 retry_mode: 824 /* to check for raw/cooked mode */ 825 if (sc->data.flags & MCDREADRAW) { 826 rm = MCD_MD_RAW; 827 mbx->sz = MCDRBLK; 828 } else { 829 rm = MCD_MD_COOKED; 830 mbx->sz = sc->data.blksize; 831 } 832 833 if (rm == sc->data.curr_mode) 834 goto modedone; 835 836 mbx->count = RDELAY_WAITMODE; 837 838 sc->data.curr_mode = MCD_MD_UNKNOWN; 839 mbx->mode = rm; 840 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE); 841 MCD_WRITE(sc, MCD_REG_COMMAND, rm); 842 843 sc->ch_state = MCD_S_WAITMODE; 844 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */ 845 return; 846 } else { 847 device_printf(sc->dev, "timeout getstatus\n"); 848 goto readerr; 849 } 850 851 case MCD_S_WAITMODE: 852 sc->ch_state = MCD_S_WAITMODE; 853 untimeout(mcd_timeout, (caddr_t)sc, sc->ch); 854 if (mbx->count-- < 0) { 855 device_printf(sc->dev, "timeout set mode\n"); 856 goto readerr; 857 } 858 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) { 859 sc->ch_state = MCD_S_WAITMODE; 860 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); 861 return; 862 } 863 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF; 864 if (sc->data.status & MCD_ST_CMDCHECK) { 865 sc->data.curr_mode = MCD_MD_UNKNOWN; 866 goto retry_mode; 867 } 868 if (mcd_setflags(sc) < 0) 869 goto changed; 870 sc->data.curr_mode = mbx->mode; 871 MCD_TRACE("got WAITMODE delay=%d\n", 872 RDELAY_WAITMODE-mbx->count); 873 modedone: 874 /* for first block */ 875 mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz; 876 mbx->skip = 0; 877 878 nextblock: 879 blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz; 880 881 MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n", 882 blknum, bp); 883 884 /* build parameter block */ 885 hsg2msf(blknum,rbuf.start_msf); 886 retry_read: 887 /* send the read command */ 888 critical_enter(); 889 MCD_WRITE(sc, MCD_REG_COMMAND, sc->data.read_command); 890 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[0]); 891 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[1]); 892 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[2]); 893 MCD_WRITE(sc, MCD_REG_COMMAND, 0); 894 MCD_WRITE(sc, MCD_REG_COMMAND, 0); 895 MCD_WRITE(sc, MCD_REG_COMMAND, 1); 896 critical_exit(); 897 898 /* Spin briefly (<= 2ms) to avoid missing next block */ 899 for (i = 0; i < 20; i++) { 900 k = MCD_READ(sc, MCD_FLAGS); 901 if (!(k & MFL_DATA_NOT_AVAIL)) 902 goto got_it; 903 DELAY(100); 904 } 905 906 mbx->count = RDELAY_WAITREAD; 907 sc->ch_state = MCD_S_WAITREAD; 908 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */ 909 return; 910 case MCD_S_WAITREAD: 911 sc->ch_state = MCD_S_WAITREAD; 912 untimeout(mcd_timeout, (caddr_t)sc, sc->ch); 913 if (mbx->count-- > 0) { 914 k = MCD_READ(sc, MCD_FLAGS); 915 if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */ 916 MCD_TRACE("got data delay=%d\n", 917 RDELAY_WAITREAD-mbx->count); 918 got_it: 919 /* data is ready */ 920 addr = bp->bio_data + mbx->skip; 921 922 MCD_WRITE(sc, MCD_REG_CTL2,0x04); /* XXX */ 923 for (i=0; i<mbx->sz; i++) 924 *addr++ = MCD_READ(sc, MCD_REG_RDATA); 925 MCD_WRITE(sc, MCD_REG_CTL2,0x0c); /* XXX */ 926 927 k = MCD_READ(sc, MCD_FLAGS); 928 /* If we still have some junk, read it too */ 929 if (!(k & MFL_DATA_NOT_AVAIL)) { 930 MCD_WRITE(sc, MCD_REG_CTL2, 0x04); /* XXX */ 931 (void)MCD_READ(sc, MCD_REG_RDATA); 932 (void)MCD_READ(sc, MCD_REG_RDATA); 933 MCD_WRITE(sc, MCD_REG_CTL2, 0x0c); /* XXX */ 934 } 935 936 if (--mbx->nblk > 0) { 937 mbx->skip += mbx->sz; 938 goto nextblock; 939 } 940 941 /* return buffer */ 942 bp->bio_resid = 0; 943 biodone(bp); 944 945 sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW); 946 mcd_start(sc); 947 return; 948 } 949 if (!(k & MFL_STATUS_NOT_AVAIL)) { 950 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF; 951 if (sc->data.status & MCD_ST_CMDCHECK) 952 goto retry_read; 953 if (mcd_setflags(sc) < 0) 954 goto changed; 955 } 956 sc->ch_state = MCD_S_WAITREAD; 957 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */ 958 return; 959 } else { 960 device_printf(sc->dev, "timeout read data\n"); 961 goto readerr; 962 } 963 } 964 965 readerr: 966 if (mbx->retry-- > 0) { 967 device_printf(sc->dev, "retrying\n"); 968 state = MCD_S_BEGIN1; 969 goto loop; 970 } 971 harderr: 972 /* invalidate the buffer */ 973 bp->bio_flags |= BIO_ERROR; 974 bp->bio_resid = bp->bio_bcount; 975 biodone(bp); 976 977 sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW); 978 mcd_start(sc); 979 return; 980 981 changed: 982 device_printf(sc->dev, "media changed\n"); 983 goto harderr; 984 985 #ifdef NOTDEF 986 device_printf(sc->dev, "unit timeout, resetting\n"); 987 MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET); 988 DELAY(300000); 989 (void)mcd_getstat(sc, 1); 990 (void)mcd_getstat(sc, 1); 991 /*sc->data.status &= ~MCDDSKCHNG; */ 992 sc->data.debug = 1; /* preventive set debug mode */ 993 994 #endif 995 996 } 997 998 static int 999 mcd_lock_door(struct mcd_softc *sc, int lock) 1000 { 1001 1002 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDLOCKDRV); 1003 MCD_WRITE(sc, MCD_REG_COMMAND, lock); 1004 if (mcd_getstat(sc, 0) == -1) 1005 return (EIO); 1006 return (0); 1007 } 1008 1009 static int 1010 mcd_close_tray(struct mcd_softc *sc) 1011 { 1012 int retry, r; 1013 1014 if (mcd_getstat(sc, 1) == -1) 1015 return (EIO); 1016 if (sc->data.status & MCDDOOROPEN) { 1017 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDCLOSETRAY); 1018 for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) { 1019 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) 1020 (void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC); 1021 else { 1022 if ((r = mcd_getstat(sc, 0)) == -1) 1023 return (EIO); 1024 return (0); 1025 } 1026 } 1027 return (ENXIO); 1028 } 1029 return (0); 1030 } 1031 1032 static int 1033 mcd_eject(struct mcd_softc *sc) 1034 { 1035 int r; 1036 1037 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */ 1038 return (EIO); 1039 if (sc->data.status & MCDDOOROPEN) 1040 return (0); 1041 if ((r = mcd_stop(sc)) == EIO) 1042 return (r); 1043 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDEJECTDISK); 1044 if (mcd_getstat(sc, 0) == -1) 1045 return (EIO); 1046 return (0); 1047 } 1048 1049 static int 1050 mcd_inject(struct mcd_softc *sc) 1051 { 1052 1053 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */ 1054 return (EIO); 1055 if (sc->data.status & MCDDOOROPEN) 1056 return mcd_close_tray(sc); 1057 return (0); 1058 } 1059 1060 static int 1061 mcd_hard_reset(struct mcd_softc *sc) 1062 { 1063 1064 MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET); 1065 sc->data.curr_mode = MCD_MD_UNKNOWN; 1066 sc->data.audio_status = CD_AS_AUDIO_INVALID; 1067 return (0); 1068 } 1069 1070 static void 1071 mcd_soft_reset(struct mcd_softc *sc) 1072 { 1073 1074 sc->data.flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL); 1075 sc->data.curr_mode = MCD_MD_UNKNOWN; 1076 sc->data.partflags = 0; 1077 sc->data.audio_status = CD_AS_AUDIO_INVALID; 1078 } 1079 1080 static int 1081 mcd_setmode(struct mcd_softc *sc, int mode) 1082 { 1083 int retry, st; 1084 1085 if (sc->data.curr_mode == mode) 1086 return (0); 1087 if (sc->data.debug) 1088 device_printf(sc->dev, "setting mode to %d\n", mode); 1089 for(retry=0; retry<MCD_RETRYS; retry++) 1090 { 1091 sc->data.curr_mode = MCD_MD_UNKNOWN; 1092 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE); 1093 MCD_WRITE(sc, MCD_REG_COMMAND, mode); 1094 if ((st = mcd_getstat(sc, 0)) >= 0) { 1095 sc->data.curr_mode = mode; 1096 return (0); 1097 } 1098 if (st == -2) { 1099 device_printf(sc->dev, "media changed\n"); 1100 break; 1101 } 1102 } 1103 1104 return (-1); 1105 } 1106 1107 static int 1108 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1109 { 1110 int r; 1111 1112 if ((r = mcd_volinfo(sc)) != 0) 1113 return (r); 1114 1115 th->starting_track = bcd2bin(sc->data.volinfo.trk_low); 1116 th->ending_track = bcd2bin(sc->data.volinfo.trk_high); 1117 th->len = 2 * sizeof(u_char) /* start & end tracks */ + 1118 (th->ending_track + 1 - th->starting_track + 1) * 1119 sizeof(struct cd_toc_entry); 1120 1121 return (0); 1122 } 1123 1124 static int 1125 mcd_read_toc(struct mcd_softc *sc) 1126 { 1127 struct ioc_toc_header th; 1128 struct mcd_qchninfo q; 1129 int rc, trk, idx, retry; 1130 1131 /* Only read TOC if needed */ 1132 if (sc->data.flags & MCDTOC) 1133 return (0); 1134 1135 if (sc->data.debug) 1136 device_printf(sc->dev, "reading toc header\n"); 1137 1138 if ((rc = mcd_toc_header(sc, &th)) != 0) 1139 return (rc); 1140 1141 if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0) 1142 return (EIO); 1143 1144 if (mcd_setmode(sc, MCD_MD_TOC) != 0) 1145 return (EIO); 1146 1147 if (sc->data.debug) 1148 device_printf(sc->dev, "get_toc reading qchannel info\n"); 1149 1150 for(trk=th.starting_track; trk<=th.ending_track; trk++) 1151 sc->data.toc[trk].idx_no = 0; 1152 trk = th.ending_track - th.starting_track + 1; 1153 for(retry=0; retry<600 && trk>0; retry++) 1154 { 1155 if (mcd_getqchan(sc, &q) < 0) break; 1156 idx = bcd2bin(q.idx_no); 1157 if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) { 1158 if (sc->data.toc[idx].idx_no == 0) { 1159 sc->data.toc[idx] = q; 1160 trk--; 1161 } 1162 } 1163 } 1164 1165 if (mcd_setmode(sc, MCD_MD_COOKED) != 0) 1166 return (EIO); 1167 1168 if (trk != 0) 1169 return (ENXIO); 1170 1171 /* add a fake last+1 */ 1172 idx = th.ending_track + 1; 1173 sc->data.toc[idx].control = sc->data.toc[idx-1].control; 1174 sc->data.toc[idx].addr_type = sc->data.toc[idx-1].addr_type; 1175 sc->data.toc[idx].trk_no = 0; 1176 sc->data.toc[idx].idx_no = MCD_LASTPLUS1; 1177 sc->data.toc[idx].hd_pos_msf[0] = sc->data.volinfo.vol_msf[0]; 1178 sc->data.toc[idx].hd_pos_msf[1] = sc->data.volinfo.vol_msf[1]; 1179 sc->data.toc[idx].hd_pos_msf[2] = sc->data.volinfo.vol_msf[2]; 1180 1181 if (sc->data.debug) 1182 { int i; 1183 for (i = th.starting_track; i <= idx; i++) 1184 device_printf(sc->dev, "trk %d idx %d pos %d %d %d\n", 1185 i, 1186 sc->data.toc[i].idx_no > 0x99 ? sc->data.toc[i].idx_no : 1187 bcd2bin(sc->data.toc[i].idx_no), 1188 bcd2bin(sc->data.toc[i].hd_pos_msf[0]), 1189 bcd2bin(sc->data.toc[i].hd_pos_msf[1]), 1190 bcd2bin(sc->data.toc[i].hd_pos_msf[2])); 1191 } 1192 1193 sc->data.flags |= MCDTOC; 1194 1195 return (0); 1196 } 1197 1198 #if 0 1199 static int 1200 mcd_toc_entry(struct mcd_softc *sc, struct ioc_read_toc_single_entry *te) 1201 { 1202 struct ioc_toc_header th; 1203 int rc, trk; 1204 1205 if (te->address_format != CD_MSF_FORMAT 1206 && te->address_format != CD_LBA_FORMAT) 1207 return (EINVAL); 1208 1209 /* Copy the toc header */ 1210 if ((rc = mcd_toc_header(sc, &th)) != 0) 1211 return (rc); 1212 1213 /* verify starting track */ 1214 trk = te->track; 1215 if (trk == 0) 1216 trk = th.starting_track; 1217 else if (trk == MCD_LASTPLUS1) 1218 trk = th.ending_track + 1; 1219 else if (trk < th.starting_track || trk > th.ending_track + 1) 1220 return (EINVAL); 1221 1222 /* Make sure we have a valid toc */ 1223 if ((rc=mcd_read_toc(sc)) != 0) 1224 return (rc); 1225 1226 /* Copy the TOC data. */ 1227 if (sc->data.toc[trk].idx_no == 0) 1228 return (EIO); 1229 1230 te->entry.control = sc->data.toc[trk].control; 1231 te->entry.addr_type = sc->data.toc[trk].addr_type; 1232 te->entry.track = 1233 sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no : 1234 bcd2bin(sc->data.toc[trk].idx_no); 1235 switch (te->address_format) { 1236 case CD_MSF_FORMAT: 1237 te->entry.addr.msf.unused = 0; 1238 te->entry.addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]); 1239 te->entry.addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]); 1240 te->entry.addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]); 1241 break; 1242 case CD_LBA_FORMAT: 1243 te->entry.addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0)); 1244 break; 1245 } 1246 return (0); 1247 } 1248 #endif 1249 1250 static int 1251 mcd_toc_entrys(struct mcd_softc *sc, struct ioc_read_toc_entry *te) 1252 { 1253 struct cd_toc_entry entries[MCD_MAXTOCS]; 1254 struct ioc_toc_header th; 1255 int rc, n, trk, len; 1256 1257 if ( te->data_len < sizeof(entries[0]) 1258 || (te->data_len % sizeof(entries[0])) != 0 1259 || (te->address_format != CD_MSF_FORMAT 1260 && te->address_format != CD_LBA_FORMAT) 1261 ) 1262 return (EINVAL); 1263 1264 /* Copy the toc header */ 1265 if ((rc = mcd_toc_header(sc, &th)) != 0) 1266 return (rc); 1267 1268 /* verify starting track */ 1269 trk = te->starting_track; 1270 if (trk == 0) 1271 trk = th.starting_track; 1272 else if (trk == MCD_LASTPLUS1) 1273 trk = th.ending_track + 1; 1274 else if (trk < th.starting_track || trk > th.ending_track + 1) 1275 return (EINVAL); 1276 1277 len = ((th.ending_track + 1 - trk) + 1) * 1278 sizeof(entries[0]); 1279 if (te->data_len < len) 1280 len = te->data_len; 1281 if (len > sizeof(entries)) 1282 return (EINVAL); 1283 1284 /* Make sure we have a valid toc */ 1285 if ((rc=mcd_read_toc(sc)) != 0) 1286 return (rc); 1287 1288 /* Copy the TOC data. */ 1289 for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) { 1290 if (sc->data.toc[trk].idx_no == 0) 1291 continue; 1292 entries[n].control = sc->data.toc[trk].control; 1293 entries[n].addr_type = sc->data.toc[trk].addr_type; 1294 entries[n].track = 1295 sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no : 1296 bcd2bin(sc->data.toc[trk].idx_no); 1297 switch (te->address_format) { 1298 case CD_MSF_FORMAT: 1299 entries[n].addr.msf.unused = 0; 1300 entries[n].addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]); 1301 entries[n].addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]); 1302 entries[n].addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]); 1303 break; 1304 case CD_LBA_FORMAT: 1305 entries[n].addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0)); 1306 break; 1307 } 1308 len -= sizeof(struct cd_toc_entry); 1309 n++; 1310 } 1311 1312 /* copy the data back */ 1313 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry)); 1314 } 1315 1316 static int 1317 mcd_stop(struct mcd_softc *sc) 1318 { 1319 1320 /* Verify current status */ 1321 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS && 1322 sc->data.audio_status != CD_AS_PLAY_PAUSED && 1323 sc->data.audio_status != CD_AS_PLAY_COMPLETED) { 1324 if (sc->data.debug) 1325 device_printf(sc->dev, 1326 "stop attempted when not playing, audio status %d\n", 1327 sc->data.audio_status); 1328 return (EINVAL); 1329 } 1330 if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS) 1331 if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0) 1332 return (EIO); 1333 sc->data.audio_status = CD_AS_PLAY_COMPLETED; 1334 return (0); 1335 } 1336 1337 static int 1338 mcd_getqchan(struct mcd_softc *sc, struct mcd_qchninfo *q) 1339 { 1340 1341 if (mcd_send(sc, MCD_CMDGETQCHN, MCD_RETRYS) < 0) 1342 return (-1); 1343 if (mcd_get(sc, (char *) q, sizeof(struct mcd_qchninfo)) < 0) 1344 return (-1); 1345 if (sc->data.debug) { 1346 device_printf(sc->dev, 1347 "getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n", 1348 q->control, q->addr_type, 1349 bcd2bin(q->trk_no), 1350 bcd2bin(q->idx_no), 1351 bcd2bin(q->trk_size_msf[0]), 1352 bcd2bin(q->trk_size_msf[1]), 1353 bcd2bin(q->trk_size_msf[2]), 1354 bcd2bin(q->hd_pos_msf[0]), 1355 bcd2bin(q->hd_pos_msf[1]), 1356 bcd2bin(q->hd_pos_msf[2])); 1357 } 1358 return (0); 1359 } 1360 1361 static int 1362 mcd_subchan(struct mcd_softc *sc, struct ioc_read_subchannel *sch, int nocopyout) 1363 { 1364 struct mcd_qchninfo q; 1365 struct cd_sub_channel_info data; 1366 int lba; 1367 1368 if (sc->data.debug) 1369 device_printf(sc->dev, "subchan af=%d, df=%d\n", 1370 sch->address_format, 1371 sch->data_format); 1372 1373 if (sch->address_format != CD_MSF_FORMAT && 1374 sch->address_format != CD_LBA_FORMAT) 1375 return (EINVAL); 1376 1377 if (sch->data_format != CD_CURRENT_POSITION && 1378 sch->data_format != CD_MEDIA_CATALOG) 1379 return (EINVAL); 1380 1381 if (mcd_setmode(sc, MCD_MD_COOKED) != 0) 1382 return (EIO); 1383 1384 if (mcd_getqchan(sc, &q) < 0) 1385 return (EIO); 1386 1387 data.header.audio_status = sc->data.audio_status; 1388 data.what.position.data_format = sch->data_format; 1389 1390 switch (sch->data_format) { 1391 case CD_MEDIA_CATALOG: 1392 data.what.media_catalog.mc_valid = 1; 1393 data.what.media_catalog.mc_number[0] = '\0'; 1394 break; 1395 1396 case CD_CURRENT_POSITION: 1397 data.what.position.control = q.control; 1398 data.what.position.addr_type = q.addr_type; 1399 data.what.position.track_number = bcd2bin(q.trk_no); 1400 data.what.position.index_number = bcd2bin(q.idx_no); 1401 switch (sch->address_format) { 1402 case CD_MSF_FORMAT: 1403 data.what.position.reladdr.msf.unused = 0; 1404 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]); 1405 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]); 1406 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]); 1407 data.what.position.absaddr.msf.unused = 0; 1408 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]); 1409 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]); 1410 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]); 1411 break; 1412 case CD_LBA_FORMAT: 1413 lba = msf2hsg(q.trk_size_msf, 1); 1414 /* 1415 * Pre-gap has index number of 0, and decreasing MSF 1416 * address. Must be converted to negative LBA, per 1417 * SCSI spec. 1418 */ 1419 if (data.what.position.index_number == 0) 1420 lba = -lba; 1421 data.what.position.reladdr.lba = htonl(lba); 1422 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0)); 1423 break; 1424 } 1425 break; 1426 } 1427 1428 if (nocopyout == 0) 1429 return copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len)); 1430 bcopy(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len)); 1431 return (0); 1432 } 1433 1434 static int 1435 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p) 1436 { 1437 struct mcd_read2 pb; 1438 1439 if (sc->data.debug) 1440 device_printf(sc->dev, "playmsf: from %d:%d.%d to %d:%d.%d\n", 1441 p->start_m, p->start_s, p->start_f, 1442 p->end_m, p->end_s, p->end_f); 1443 1444 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1445 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) || 1446 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) > 1447 M_msf(sc->data.volinfo.vol_msf) * 60 * 75 + 1448 S_msf(sc->data.volinfo.vol_msf) * 75 + 1449 F_msf(sc->data.volinfo.vol_msf)) 1450 return (EINVAL); 1451 1452 pb.start_msf[0] = bin2bcd(p->start_m); 1453 pb.start_msf[1] = bin2bcd(p->start_s); 1454 pb.start_msf[2] = bin2bcd(p->start_f); 1455 pb.end_msf[0] = bin2bcd(p->end_m); 1456 pb.end_msf[1] = bin2bcd(p->end_s); 1457 pb.end_msf[2] = bin2bcd(p->end_f); 1458 1459 if (mcd_setmode(sc, MCD_MD_COOKED) != 0) 1460 return (EIO); 1461 1462 return mcd_play(sc, &pb); 1463 } 1464 1465 static int 1466 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *pt) 1467 { 1468 struct mcd_read2 pb; 1469 int a = pt->start_track; 1470 int z = pt->end_track; 1471 int rc, i; 1472 1473 if ((rc = mcd_read_toc(sc)) != 0) 1474 return (rc); 1475 1476 if (sc->data.debug) 1477 device_printf(sc->dev, "playtracks from %d:%d to %d:%d\n", 1478 a, pt->start_index, z, pt->end_index); 1479 1480 if ( a < bcd2bin(sc->data.volinfo.trk_low) 1481 || a > bcd2bin(sc->data.volinfo.trk_high) 1482 || a > z 1483 || z < bcd2bin(sc->data.volinfo.trk_low) 1484 || z > bcd2bin(sc->data.volinfo.trk_high)) 1485 return (EINVAL); 1486 1487 for (i = 0; i < 3; i++) { 1488 pb.start_msf[i] = sc->data.toc[a].hd_pos_msf[i]; 1489 pb.end_msf[i] = sc->data.toc[z+1].hd_pos_msf[i]; 1490 } 1491 1492 if (mcd_setmode(sc, MCD_MD_COOKED) != 0) 1493 return (EIO); 1494 1495 return mcd_play(sc, &pb); 1496 } 1497 1498 static int 1499 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p) 1500 { 1501 struct mcd_read2 pb; 1502 1503 if (sc->data.debug) 1504 device_printf(sc->dev, "playblocks: blkno %d length %d\n", 1505 p->blk, p->len); 1506 1507 if (p->blk > sc->data.disksize || p->len > sc->data.disksize || 1508 p->blk < 0 || p->len < 0 || 1509 (p->blk + p->len) > sc->data.disksize) 1510 return (EINVAL); 1511 1512 hsg2msf(p->blk, pb.start_msf); 1513 hsg2msf(p->blk + p->len, pb.end_msf); 1514 1515 if (mcd_setmode(sc, MCD_MD_COOKED) != 0) 1516 return (EIO); 1517 1518 return mcd_play(sc, &pb); 1519 } 1520 1521 static int 1522 mcd_play(struct mcd_softc *sc, struct mcd_read2 *pb) 1523 { 1524 int retry, st = -1, status; 1525 1526 sc->data.lastpb = *pb; 1527 for(retry=0; retry<MCD_RETRYS; retry++) { 1528 1529 critical_enter(); 1530 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSINGLESPEEDREAD); 1531 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[0]); 1532 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[1]); 1533 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[2]); 1534 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[0]); 1535 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[1]); 1536 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[2]); 1537 critical_exit(); 1538 1539 status=mcd_getstat(sc, 0); 1540 if (status == -1) 1541 continue; 1542 else if (status != -2) 1543 st = 0; 1544 break; 1545 } 1546 1547 if (status == -2) { 1548 device_printf(sc->dev, "media changed\n"); 1549 return (ENXIO); 1550 } 1551 if (sc->data.debug) 1552 device_printf(sc->dev, 1553 "mcd_play retry=%d, status=0x%02x\n", retry, status); 1554 if (st < 0) 1555 return (ENXIO); 1556 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS; 1557 return (0); 1558 } 1559 1560 static int 1561 mcd_pause(struct mcd_softc *sc) 1562 { 1563 struct mcd_qchninfo q; 1564 int rc; 1565 1566 /* Verify current status */ 1567 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS && 1568 sc->data.audio_status != CD_AS_PLAY_PAUSED) { 1569 if (sc->data.debug) 1570 device_printf(sc->dev, 1571 "pause attempted when not playing, audio status %d\n", 1572 sc->data.audio_status); 1573 return (EINVAL); 1574 } 1575 1576 /* Get the current position */ 1577 if (mcd_getqchan(sc, &q) < 0) 1578 return (EIO); 1579 1580 /* Copy it into lastpb */ 1581 sc->data.lastpb.start_msf[0] = q.hd_pos_msf[0]; 1582 sc->data.lastpb.start_msf[1] = q.hd_pos_msf[1]; 1583 sc->data.lastpb.start_msf[2] = q.hd_pos_msf[2]; 1584 1585 /* Stop playing */ 1586 if ((rc=mcd_stop(sc)) != 0) 1587 return (rc); 1588 1589 /* Set the proper status and exit */ 1590 sc->data.audio_status = CD_AS_PLAY_PAUSED; 1591 return (0); 1592 } 1593 1594 static int 1595 mcd_resume(struct mcd_softc *sc) 1596 { 1597 1598 if (sc->data.audio_status != CD_AS_PLAY_PAUSED) 1599 return (EINVAL); 1600 return mcd_play(sc, &sc->data.lastpb); 1601 }
Cache object: c0a7a3150c960745af97addafe4429a6
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