mcd.c revision 1.29
1 /* $NetBSD: mcd.c,v 1.29 1995/03/27 16:04:07 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * Copyright 1993 by Holger Veit (data part) 21 * Copyright 1993 by Brian Moore (audio part) 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This software was developed by Holger Veit and Brian Moore 35 * for use with "386BSD" and similar operating systems. 36 * "Similar operating systems" includes mainly non-profit oriented 37 * systems for research and education, including but not restricted to 38 * "NetBSD", "FreeBSD", "Mach" (by CMU). 39 * 4. Neither the name of the developer(s) nor the name "386BSD" 40 * may be used to endorse or promote products derived from this 41 * software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/ 57 58 #include <sys/types.h> 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/kernel.h> 62 #include <sys/proc.h> 63 #include <sys/conf.h> 64 #include <sys/file.h> 65 #include <sys/buf.h> 66 #include <sys/stat.h> 67 #include <sys/uio.h> 68 #include <sys/ioctl.h> 69 #include <sys/cdio.h> 70 #include <sys/errno.h> 71 #include <sys/disklabel.h> 72 #include <sys/device.h> 73 #include <sys/disk.h> 74 75 #include <machine/cpu.h> 76 #include <machine/pio.h> 77 78 #include <i386/isa/isavar.h> 79 #include <dev/isa/mcdreg.h> 80 81 #ifndef MCDDEBUG 82 #define MCD_TRACE(fmt,a,b,c,d) 83 #else 84 #define MCD_TRACE(fmt,a,b,c,d) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}} 85 #endif 86 87 #define MCDPART(dev) DISKPART(dev) 88 #define MCDUNIT(dev) DISKUNIT(dev) 89 90 /* toc */ 91 #define MCD_MAXTOCS 104 /* from the Linux driver */ 92 93 struct mcd_mbx { 94 int retry, count; 95 struct buf *bp; 96 daddr_t blkno; 97 int nblk; 98 int sz; 99 u_long skip; 100 int state; 101 #define MCD_S_IDLE 0 102 #define MCD_S_BEGIN 1 103 #define MCD_S_WAITSTAT 2 104 #define MCD_S_WAITMODE 3 105 #define MCD_S_WAITREAD 4 106 int mode; 107 }; 108 109 struct mcd_softc { 110 struct device sc_dev; 111 struct dkdevice sc_dk; 112 struct intrhand sc_ih; 113 114 int iobase; 115 int irq, drq; 116 117 char *type; 118 int flags; 119 #define MCDF_LOCKED 0x01 120 #define MCDF_WANTED 0x02 121 #define MCDF_WLABEL 0x04 /* label is writable */ 122 #define MCDF_LABELLING 0x08 /* writing label */ 123 #define MCDF_LOADED 0x10 /* parameters loaded */ 124 #define MCDF_HAVETOC 0x20 /* already read toc */ 125 short status; 126 short audio_status; 127 int blksize; 128 u_long disksize; 129 struct mcd_volinfo volinfo; 130 union mcd_qchninfo toc[MCD_MAXTOCS]; 131 struct mcd_command lastpb; 132 struct mcd_mbx mbx; 133 int lastmode; 134 #define MCD_MD_UNKNOWN -1 135 int lastupc; 136 #define MCD_UPC_UNKNOWN -1 137 int debug; 138 struct buf buf_queue; 139 }; 140 141 /* prototypes */ 142 int mcdopen __P((dev_t, int, int, struct proc *)); 143 int mcdclose __P((dev_t, int, int)); 144 int mcdioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); 145 int mcdsize __P((dev_t)); 146 147 static int bcd2bin __P((bcd_t)); 148 static bcd_t bin2bcd __P((int)); 149 static void hsg2msf __P((int, bcd_t *)); 150 static daddr_t msf2hsg __P((bcd_t *, int)); 151 152 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 153 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 154 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 155 int mcd_stop __P((struct mcd_softc *)); 156 int mcd_eject __P((struct mcd_softc *)); 157 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 158 int mcd_pause __P((struct mcd_softc *)); 159 int mcd_resume __P((struct mcd_softc *)); 160 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 161 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 162 163 int mcd_getreply __P((struct mcd_softc *)); 164 int mcd_getstat __P((struct mcd_softc *)); 165 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 166 void mcd_setflags __P((struct mcd_softc *)); 167 int mcd_get __P((struct mcd_softc *, char *, int)); 168 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 169 int mcdintr __P((void *)); 170 void mcd_soft_reset __P((struct mcd_softc *)); 171 int mcd_hard_reset __P((struct mcd_softc *)); 172 int mcd_setmode __P((struct mcd_softc *, int)); 173 int mcd_setupc __P((struct mcd_softc *, int)); 174 int mcd_read_toc __P((struct mcd_softc *)); 175 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 176 int mcd_setlock __P((struct mcd_softc *, int)); 177 178 int mcdprobe __P((struct device *, void *, void *)); 179 void mcdattach __P((struct device *, struct device *, void *)); 180 181 struct cfdriver mcdcd = { 182 NULL, "mcd", mcdprobe, mcdattach, DV_DISK, sizeof(struct mcd_softc) 183 }; 184 185 void mcdgetdisklabel __P((struct mcd_softc *)); 186 int mcd_get_parms __P((struct mcd_softc *)); 187 void mcdstrategy __P((struct buf *)); 188 void mcdstart __P((struct mcd_softc *)); 189 190 struct dkdriver mcddkdriver = { mcdstrategy }; 191 192 #define MCD_RETRIES 3 193 #define MCD_RDRETRIES 3 194 195 /* several delays */ 196 #define RDELAY_WAITSTAT 300 197 #define RDELAY_WAITMODE 300 198 #define RDELAY_WAITREAD 800 199 200 #define DELAY_GRANULARITY 25 /* 25us */ 201 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 202 203 void 204 mcdattach(parent, self, aux) 205 struct device *parent, *self; 206 void *aux; 207 { 208 struct mcd_softc *sc = (void *)self; 209 struct isa_attach_args *ia = aux; 210 struct mcd_mbox mbx; 211 212 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 213 214 mbx.cmd.opcode = MCD_CMDSETLOCK; 215 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 216 mbx.cmd.data.lockmode.mode = MCD_LK_UNLOCK; 217 mbx.res.length = 0; 218 (void) mcd_send(sc, &mbx, 0); 219 220 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 221 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 222 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 223 mbx.cmd.data.config.data1 = 0x01; 224 mbx.res.length = 0; 225 (void) mcd_send(sc, &mbx, 0); 226 227 mcd_soft_reset(sc); 228 229 sc->sc_dk.dk_driver = &mcddkdriver; 230 231 sc->sc_ih.ih_fun = mcdintr; 232 sc->sc_ih.ih_arg = sc; 233 sc->sc_ih.ih_level = IPL_BIO; 234 intr_establish(ia->ia_irq, IST_EDGE, &sc->sc_ih); 235 } 236 237 int 238 mcdlockwait(sc) 239 struct mcd_softc *sc; 240 { 241 int error; 242 243 while ((sc->flags & MCDF_LOCKED) != 0) { 244 sc->flags |= MCDF_WANTED; 245 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 246 return error; 247 } 248 return 0; 249 } 250 251 void 252 mcdunlock(sc) 253 struct mcd_softc *sc; 254 { 255 256 sc->flags &= ~MCDF_LOCKED; 257 if ((sc->flags & MCDF_WANTED) != 0) { 258 sc->flags &= ~MCDF_WANTED; 259 wakeup(sc); 260 } 261 } 262 263 int 264 mcdopen(dev, flag, fmt, p) 265 dev_t dev; 266 int flag, fmt; 267 struct proc *p; 268 { 269 int error; 270 int unit, part; 271 struct mcd_softc *sc; 272 273 unit = MCDUNIT(dev); 274 if (unit >= mcdcd.cd_ndevs) 275 return ENXIO; 276 sc = mcdcd.cd_devs[unit]; 277 if (!sc) 278 return ENXIO; 279 280 part = MCDPART(dev); 281 282 if (error = mcdlockwait(sc)) 283 return error; 284 285 if (sc->sc_dk.dk_openmask != 0) { 286 /* 287 * If any partition is open, but the disk has been invalidated, 288 * disallow further opens. 289 */ 290 if ((sc->flags & MCDF_LOADED) == 0) 291 return ENXIO; 292 } else { 293 sc->flags |= MCDF_LOCKED; 294 295 /* 296 * Lock the drawer. This will also notice any pending disk 297 * change or door open indicator and clear the MCDF_LOADED bit 298 * if necessary. 299 */ 300 (void) mcd_setlock(sc, MCD_LK_LOCK); 301 302 if ((sc->flags & MCDF_LOADED) == 0) { 303 /* Partially reset the state. */ 304 sc->flags &= ~MCDF_HAVETOC; 305 sc->lastmode = MCD_MD_UNKNOWN; 306 sc->lastupc = MCD_UPC_UNKNOWN; 307 308 sc->flags |= MCDF_LOADED; 309 310 /* Set the mode, causing the disk to spin up. */ 311 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 312 goto bad2; 313 314 /* Load the physical device parameters. */ 315 if (mcd_get_parms(sc) != 0) { 316 error = ENXIO; 317 goto bad2; 318 } 319 320 /* Fabricate a disk label. */ 321 mcdgetdisklabel(sc); 322 } 323 324 mcdunlock(sc); 325 } 326 327 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 328 sc->disksize, sc->blksize, 0); 329 330 /* Check that the partition exists. */ 331 if (part != RAW_PART && 332 (part >= sc->sc_dk.dk_label.d_npartitions || 333 sc->sc_dk.dk_label.d_partitions[part].p_fstype == FS_UNUSED)) { 334 error = ENXIO; 335 goto bad; 336 } 337 338 /* Insure only one open at a time. */ 339 switch (fmt) { 340 case S_IFCHR: 341 sc->sc_dk.dk_copenmask |= (1 << part); 342 break; 343 case S_IFBLK: 344 sc->sc_dk.dk_bopenmask |= (1 << part); 345 break; 346 } 347 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 348 349 return 0; 350 351 bad2: 352 sc->flags &= ~MCDF_LOADED; 353 354 bad: 355 if (sc->sc_dk.dk_openmask == 0) { 356 #if 0 357 (void) mcd_setmode(sc, MCD_MD_SLEEP); 358 #endif 359 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 360 361 mcdunlock(sc); 362 } 363 364 return error; 365 } 366 367 int 368 mcdclose(dev, flag, fmt) 369 dev_t dev; 370 int flag, fmt; 371 { 372 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 373 int part = MCDPART(dev); 374 int s; 375 376 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 377 378 switch (fmt) { 379 case S_IFCHR: 380 sc->sc_dk.dk_copenmask &= ~(1 << part); 381 break; 382 case S_IFBLK: 383 sc->sc_dk.dk_bopenmask &= ~(1 << part); 384 break; 385 } 386 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 387 388 if (sc->sc_dk.dk_openmask == 0) { 389 /* 390 * If we're closing the last partition, nobody else could be 391 * holding the lock, so don't bother to check. 392 */ 393 sc->flags |= MCDF_LOCKED; 394 395 #if 0 396 s = splbio(); 397 while (...) { 398 sc->flags |= MCDF_WAITING; 399 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdcls", 0)) != 0) 400 return error; 401 } 402 splx(s); 403 #endif 404 405 #if 0 406 (void) mcd_setmode(sc, MCD_MD_SLEEP); 407 #endif 408 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 409 410 mcdunlock(sc); 411 } 412 413 return 0; 414 } 415 416 void 417 mcdstrategy(bp) 418 struct buf *bp; 419 { 420 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 421 int s; 422 423 /* Test validity. */ 424 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 425 bp->b_blkno, bp->b_bcount, 0); 426 if (bp->b_blkno < 0 || 427 (bp->b_bcount % sc->blksize) != 0) { 428 printf("%s: strategy: blkno = %d bcount = %d\n", 429 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 430 bp->b_error = EINVAL; 431 goto bad; 432 } 433 434 /* If device invalidated (e.g. media change, door open), error. */ 435 if ((sc->flags & MCDF_LOADED) == 0) { 436 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 437 bp->b_error = EIO; 438 goto bad; 439 } 440 441 /* No data to read. */ 442 if (bp->b_bcount == 0) 443 goto done; 444 445 /* 446 * Do bounds checking, adjust transfer. if error, process. 447 * If end of partition, just return. 448 */ 449 if (bounds_check_with_label(bp, &sc->sc_dk.dk_label, 450 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 451 goto done; 452 453 /* Queue it. */ 454 s = splbio(); 455 disksort(&sc->buf_queue, bp); 456 splx(s); 457 if (!sc->buf_queue.b_active) 458 mcdstart(sc); 459 return; 460 461 bad: 462 bp->b_flags |= B_ERROR; 463 done: 464 bp->b_resid = bp->b_bcount; 465 biodone(bp); 466 } 467 468 void 469 mcdstart(sc) 470 struct mcd_softc *sc; 471 { 472 struct buf *bp, *dp = &sc->buf_queue; 473 int s; 474 475 loop: 476 s = splbio(); 477 478 bp = dp->b_actf; 479 if (bp == NULL) { 480 /* Nothing to do. */ 481 dp->b_active = 0; 482 splx(s); 483 return; 484 } 485 486 /* Block found to process; dequeue. */ 487 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 488 dp->b_actf = bp->b_actf; 489 splx(s); 490 491 /* Changed media? */ 492 if ((sc->flags & MCDF_LOADED) == 0) { 493 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 494 bp->b_error = EIO; 495 bp->b_flags |= B_ERROR; 496 biodone(bp); 497 goto loop; 498 } 499 500 dp->b_active = 1; 501 502 sc->mbx.retry = MCD_RDRETRIES; 503 sc->mbx.bp = bp; 504 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 505 if (MCDPART(bp->b_dev) != RAW_PART) { 506 struct partition *p; 507 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 508 sc->mbx.blkno += p->p_offset; 509 } 510 sc->mbx.nblk = bp->b_bcount / sc->blksize; 511 sc->mbx.sz = sc->blksize; 512 sc->mbx.skip = 0; 513 sc->mbx.state = MCD_S_BEGIN; 514 sc->mbx.mode = MCD_MD_COOKED; 515 516 s = splbio(); 517 (void) mcdintr(sc); 518 splx(s); 519 } 520 521 int 522 mcdioctl(dev, cmd, addr, flag, p) 523 dev_t dev; 524 u_long cmd; 525 caddr_t addr; 526 int flag; 527 struct proc *p; 528 { 529 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 530 int error; 531 532 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 533 534 if ((sc->flags & MCDF_LOADED) == 0) 535 return EIO; 536 537 switch (cmd) { 538 case DIOCGDINFO: 539 *(struct disklabel *)addr = sc->sc_dk.dk_label; 540 return 0; 541 542 case DIOCGPART: 543 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 544 ((struct partinfo *)addr)->part = 545 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 546 return 0; 547 548 case DIOCWDINFO: 549 case DIOCSDINFO: 550 if ((flag & FWRITE) == 0) 551 return EBADF; 552 553 if (error = mcdlockwait(sc)) 554 return error; 555 sc->flags |= MCDF_LOCKED | MCDF_LABELLING; 556 557 error = setdisklabel(&sc->sc_dk.dk_label, 558 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 559 &sc->sc_dk.dk_cpulabel); 560 if (error == 0) { 561 } 562 563 sc->flags &= ~MCDF_LABELLING; 564 mcdunlock(sc); 565 return error; 566 567 case DIOCWLABEL: 568 return EBADF; 569 570 case CDIOCPLAYTRACKS: 571 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 572 case CDIOCPLAYMSF: 573 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 574 case CDIOCPLAYBLOCKS: 575 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 576 case CDIOCREADSUBCHANNEL: 577 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 578 case CDIOREADTOCHEADER: 579 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 580 case CDIOREADTOCENTRYS: 581 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 582 case CDIOCSETPATCH: 583 case CDIOCGETVOL: 584 case CDIOCSETVOL: 585 case CDIOCSETMONO: 586 case CDIOCSETSTEREO: 587 case CDIOCSETMUTE: 588 case CDIOCSETLEFT: 589 case CDIOCSETRIGHT: 590 return EINVAL; 591 case CDIOCRESUME: 592 return mcd_resume(sc); 593 case CDIOCPAUSE: 594 return mcd_pause(sc); 595 case CDIOCSTART: 596 return EINVAL; 597 case CDIOCSTOP: 598 return mcd_stop(sc); 599 case CDIOCEJECT: 600 return mcd_eject(sc); 601 case CDIOCALLOW: 602 return mcd_setlock(sc, MCD_LK_UNLOCK); 603 case CDIOCPREVENT: 604 return mcd_setlock(sc, MCD_LK_LOCK); 605 case CDIOCSETDEBUG: 606 sc->debug = 1; 607 return 0; 608 case CDIOCCLRDEBUG: 609 sc->debug = 0; 610 return 0; 611 case CDIOCRESET: 612 return mcd_hard_reset(sc); 613 614 default: 615 return ENOTTY; 616 } 617 618 #ifdef DIAGNOSTIC 619 panic("mcdioctl: impossible"); 620 #endif 621 } 622 623 /* 624 * This could have been taken from scsi/cd.c, but it is not clear 625 * whether the scsi cd driver is linked in. 626 */ 627 void 628 mcdgetdisklabel(sc) 629 struct mcd_softc *sc; 630 { 631 632 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 633 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 634 635 sc->sc_dk.dk_label.d_secsize = sc->blksize; 636 sc->sc_dk.dk_label.d_ntracks = 1; 637 sc->sc_dk.dk_label.d_nsectors = 100; 638 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 639 sc->sc_dk.dk_label.d_secpercyl = 640 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 641 642 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 643 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 644 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 645 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 646 sc->sc_dk.dk_label.d_rpm = 300; 647 sc->sc_dk.dk_label.d_interleave = 1; 648 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 649 650 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 651 sc->sc_dk.dk_label.d_partitions[0].p_size = 652 sc->sc_dk.dk_label.d_secperunit * 653 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 654 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 655 sc->sc_dk.dk_label.d_npartitions = 1; 656 657 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 658 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 659 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 660 } 661 662 int 663 mcd_get_parms(sc) 664 struct mcd_softc *sc; 665 { 666 struct mcd_mbox mbx; 667 daddr_t size; 668 int error; 669 670 /* Send volume info command. */ 671 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 672 mbx.cmd.length = 0; 673 mbx.res.length = sizeof(mbx.res.data.volinfo); 674 if ((error = mcd_send(sc, &mbx, 1)) != 0) 675 return error; 676 677 if (mbx.res.data.volinfo.trk_low == 0x00 && 678 mbx.res.data.volinfo.trk_high == 0x00) 679 return EINVAL; 680 681 /* Volinfo is OK. */ 682 sc->volinfo = mbx.res.data.volinfo; 683 sc->blksize = MCD_BLKSIZE_COOKED; 684 size = msf2hsg(sc->volinfo.vol_msf, 0); 685 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 686 return 0; 687 } 688 689 int 690 mcdsize(dev) 691 dev_t dev; 692 { 693 694 /* CD-ROMs are read-only. */ 695 return -1; 696 } 697 698 int 699 mcddump() 700 { 701 702 /* Not implemented. */ 703 return EINVAL; 704 } 705 706 int 707 mcdprobe(parent, match, aux) 708 struct device *parent; 709 void *match, *aux; 710 { 711 struct mcd_softc *sc = match; 712 struct isa_attach_args *ia = aux; 713 int iobase = ia->ia_iobase; 714 int irq; 715 int i; 716 struct mcd_mbox mbx; 717 718 sc->iobase = iobase; 719 720 /* Send a reset. */ 721 outb(iobase + MCD_RESET, 0); 722 delay(1000000); 723 /* Get any pending status and throw away. */ 724 for (i = 10; i; i--) 725 inb(iobase + MCD_STATUS); 726 delay(1000); 727 728 /* Send get status command. */ 729 mbx.cmd.opcode = MCD_CMDGETSTAT; 730 mbx.cmd.length = 0; 731 mbx.res.length = 0; 732 if (mcd_send(sc, &mbx, 0) != 0) 733 return 0; 734 735 /* Get info about the drive. */ 736 mbx.cmd.opcode = MCD_CMDCONTINFO; 737 mbx.cmd.length = 0; 738 mbx.res.length = sizeof(mbx.res.data.continfo); 739 if (mcd_send(sc, &mbx, 0) != 0) 740 return 0; 741 742 /* 743 * The following is code which is not guaranteed to work for all 744 * drives, because the meaning of the expected 'M' is not clear 745 * (M_itsumi is an obvious assumption, but I don't trust that). 746 * Also, the original hack had a bogus condition that always 747 * returned true. 748 * 749 * Note: Which models support interrupts? >=LU005S? 750 */ 751 switch (mbx.res.data.continfo.code) { 752 case 'M': 753 if (mbx.res.data.continfo.version <= 2) 754 sc->type = "LU002S"; 755 else if (mbx.res.data.continfo.version <= 5) 756 sc->type = "LU005S"; 757 else 758 sc->type = "LU006S"; 759 break; 760 case 'F': 761 sc->type = "FX001"; 762 break; 763 case 'D': 764 sc->type = "FX001D"; 765 break; 766 default: 767 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 768 sc->sc_dev.dv_xname, 769 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 770 sc->type = 0; 771 break; 772 } 773 774 ia->ia_iosize = 4; 775 ia->ia_msize = 0; 776 return 1; 777 } 778 779 int 780 mcd_getreply(sc) 781 struct mcd_softc *sc; 782 { 783 int iobase = sc->iobase; 784 int i; 785 786 /* Wait until xfer port senses data ready. */ 787 for (i = DELAY_GETREPLY; i; i--) { 788 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 789 break; 790 delay(DELAY_GRANULARITY); 791 } 792 if (!i) 793 return -1; 794 795 /* Get the data. */ 796 return inb(iobase + MCD_STATUS); 797 } 798 799 int 800 mcd_getstat(sc) 801 struct mcd_softc *sc; 802 { 803 struct mcd_mbox mbx; 804 805 mbx.cmd.opcode = MCD_CMDGETSTAT; 806 mbx.cmd.length = 0; 807 mbx.res.length = 0; 808 return mcd_send(sc, &mbx, 1); 809 } 810 811 int 812 mcd_getresult(sc, res) 813 struct mcd_softc *sc; 814 struct mcd_result *res; 815 { 816 int i, x; 817 818 if (sc->debug) 819 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 820 res->length); 821 822 if ((x = mcd_getreply(sc)) < 0) { 823 if (sc->debug) 824 printf(" timeout\n"); 825 else 826 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 827 return EIO; 828 } 829 if (sc->debug) 830 printf(" %02x", (u_int)x); 831 sc->status = x; 832 mcd_setflags(sc); 833 834 if ((sc->status & MCD_ST_CMDCHECK) != 0) 835 return EINVAL; 836 837 for (i = 0; i < res->length; i++) { 838 if ((x = mcd_getreply(sc)) < 0) { 839 if (sc->debug) 840 printf(" timeout\n"); 841 else 842 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 843 return EIO; 844 } 845 if (sc->debug) 846 printf(" %02x", (u_int)x); 847 res->data.raw.data[i] = x; 848 } 849 850 if (sc->debug) 851 printf(" succeeded\n"); 852 853 #if 1 854 delay(10); 855 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 856 x = inb(sc->iobase + MCD_STATUS); 857 printf("%s: got extra byte %02x during getstatus\n", 858 sc->sc_dev.dv_xname, (u_int)x); 859 delay(10); 860 } 861 #endif 862 863 return 0; 864 } 865 866 void 867 mcd_setflags(sc) 868 struct mcd_softc *sc; 869 { 870 871 /* Check flags. */ 872 if ((sc->flags & MCDF_LOADED) != 0 && 873 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 874 MCD_ST_DSKIN) { 875 if ((sc->status & MCD_ST_DOOROPEN) != 0) 876 printf("%s: door open\n", sc->sc_dev.dv_xname); 877 else if ((sc->status & MCD_ST_DSKIN) == 0) 878 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 879 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 880 printf("%s: media change\n", sc->sc_dev.dv_xname); 881 sc->flags &= ~MCDF_LOADED; 882 } 883 884 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 885 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 886 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 887 sc->audio_status == CD_AS_AUDIO_INVALID) 888 sc->audio_status = CD_AS_PLAY_COMPLETED; 889 } 890 891 int 892 mcd_send(sc, mbx, diskin) 893 struct mcd_softc *sc; 894 struct mcd_mbox *mbx; 895 int diskin; 896 { 897 int iobase = sc->iobase; 898 int retry, i, error; 899 900 if (sc->debug) { 901 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 902 mbx->cmd.length, (u_int)mbx->cmd.opcode); 903 for (i = 0; i < mbx->cmd.length; i++) 904 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 905 printf("\n"); 906 } 907 908 for (retry = MCD_RETRIES; retry; retry--) { 909 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 910 for (i = 0; i < mbx->cmd.length; i++) 911 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 912 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 913 break; 914 if (error == EINVAL) 915 return error; 916 } 917 if (!retry) 918 return error; 919 if (diskin && (sc->flags & MCDF_LOADED) == 0) 920 return EIO; 921 922 return 0; 923 } 924 925 static int 926 bcd2bin(b) 927 bcd_t b; 928 { 929 930 return (b >> 4) * 10 + (b & 15); 931 } 932 933 static bcd_t 934 bin2bcd(b) 935 int b; 936 { 937 938 return ((b / 10) << 4) | (b % 10); 939 } 940 941 static void 942 hsg2msf(hsg, msf) 943 int hsg; 944 bcd_t *msf; 945 { 946 947 hsg += 150; 948 F_msf(msf) = bin2bcd(hsg % 75); 949 hsg /= 75; 950 S_msf(msf) = bin2bcd(hsg % 60); 951 hsg /= 60; 952 M_msf(msf) = bin2bcd(hsg); 953 } 954 955 static daddr_t 956 msf2hsg(msf, relative) 957 bcd_t *msf; 958 int relative; 959 { 960 daddr_t blkno; 961 962 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 963 bcd2bin(S_msf(msf)) * 75 + 964 bcd2bin(F_msf(msf)); 965 if (!relative) 966 blkno -= 150; 967 return blkno; 968 } 969 970 void 971 mcd_pseudointr(sc) 972 struct mcd_softc *sc; 973 { 974 int s; 975 976 s = splbio(); 977 (void) mcdintr(sc); 978 splx(s); 979 } 980 981 /* 982 * State machine to process read requests. 983 * Initialize with MCD_S_BEGIN: calculate sizes, and read status 984 * MCD_S_WAITSTAT: wait for status reply, set mode 985 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 986 * MCD_S_WAITREAD: wait for read ready, read data. 987 */ 988 int 989 mcdintr(arg) 990 void *arg; 991 { 992 struct mcd_softc *sc = arg; 993 struct mcd_mbx *mbx = &sc->mbx; 994 int iobase = sc->iobase; 995 struct buf *bp = mbx->bp; 996 997 int i; 998 u_char x; 999 bcd_t msf[3]; 1000 1001 switch (mbx->state) { 1002 case MCD_S_IDLE: 1003 return 0; 1004 1005 case MCD_S_BEGIN: 1006 tryagain: 1007 /* Get status. */ 1008 outb(iobase + MCD_COMMAND, MCD_CMDGETSTAT); 1009 1010 mbx->count = RDELAY_WAITSTAT; 1011 mbx->state = MCD_S_WAITSTAT; 1012 1013 case MCD_S_WAITSTAT: 1014 untimeout(mcd_pseudointr, sc); 1015 for (i = 20; i; i--) { 1016 x = inb(iobase + MCD_XFER); 1017 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1018 break; 1019 delay(50); 1020 } 1021 if (i == 0) 1022 goto hold; 1023 sc->status = inb(iobase + MCD_STATUS); 1024 mcd_setflags(sc); 1025 if ((sc->flags & MCDF_LOADED) == 0) 1026 goto changed; 1027 MCD_TRACE("doread: got WAITSTAT delay=%d\n", 1028 RDELAY_WAITSTAT - mbx->count, 0, 0, 0); 1029 1030 /* Reject, if audio active. */ 1031 if ((sc->status & MCD_ST_AUDIOBSY) != 0) { 1032 printf("%s: audio is active\n", 1033 sc->sc_dev.dv_xname); 1034 goto harderr; 1035 } 1036 1037 if (mbx->mode == sc->lastmode) 1038 goto firstblock; 1039 1040 sc->lastmode = MCD_MD_UNKNOWN; 1041 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1042 outb(iobase + MCD_COMMAND, mbx->mode); 1043 1044 mbx->count = RDELAY_WAITMODE; 1045 mbx->state = MCD_S_WAITMODE; 1046 1047 case MCD_S_WAITMODE: 1048 untimeout(mcd_pseudointr, sc); 1049 for (i = 20; i; i--) { 1050 x = inb(iobase + MCD_XFER); 1051 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1052 break; 1053 delay(50); 1054 } 1055 if (i == 0) 1056 goto hold; 1057 sc->status = inb(iobase + MCD_STATUS); 1058 mcd_setflags(sc); 1059 if ((sc->flags & MCDF_LOADED) == 0) 1060 goto changed; 1061 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1062 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1063 1064 sc->lastmode = mbx->mode; 1065 1066 firstblock: 1067 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1068 bp, 0, 0); 1069 1070 /* Build parameter block. */ 1071 hsg2msf(mbx->blkno, msf); 1072 1073 /* Send the read command. */ 1074 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1075 outb(iobase + MCD_COMMAND, msf[0]); 1076 outb(iobase + MCD_COMMAND, msf[1]); 1077 outb(iobase + MCD_COMMAND, msf[2]); 1078 outb(iobase + MCD_COMMAND, 0); 1079 outb(iobase + MCD_COMMAND, 0); 1080 outb(iobase + MCD_COMMAND, mbx->nblk); 1081 1082 mbx->count = RDELAY_WAITREAD; 1083 mbx->state = MCD_S_WAITREAD; 1084 1085 case MCD_S_WAITREAD: 1086 untimeout(mcd_pseudointr, sc); 1087 nextblock: 1088 loop: 1089 for (i = 20; i; i--) { 1090 x = inb(iobase + MCD_XFER); 1091 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1092 goto gotblock; 1093 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1094 break; 1095 delay(50); 1096 } 1097 if (i == 0) 1098 goto hold; 1099 sc->status = inb(iobase + MCD_STATUS); 1100 mcd_setflags(sc); 1101 if ((sc->flags & MCDF_LOADED) == 0) 1102 goto changed; 1103 #if 0 1104 printf("%s: got status byte %02x during read\n", 1105 sc->sc_dev.dv_xname, (u_int)sc->status); 1106 #endif 1107 goto loop; 1108 1109 gotblock: 1110 MCD_TRACE("doread: got data delay=%d\n", 1111 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1112 1113 /* Data is ready. */ 1114 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1115 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1116 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1117 mbx->blkno += 1; 1118 mbx->skip += mbx->sz; 1119 if (--mbx->nblk > 0) 1120 goto nextblock; 1121 1122 mbx->state = MCD_S_IDLE; 1123 1124 /* Return buffer. */ 1125 bp->b_resid = 0; 1126 biodone(bp); 1127 1128 mcdstart(sc); 1129 return 1; 1130 1131 hold: 1132 if (mbx->count-- < 0) { 1133 printf("%s: timeout in state %d", 1134 sc->sc_dev.dv_xname, mbx->state); 1135 goto readerr; 1136 } 1137 1138 #if 0 1139 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1140 mbx->state); 1141 #endif 1142 timeout(mcd_pseudointr, sc, hz / 100); 1143 return -1; 1144 } 1145 1146 readerr: 1147 if (mbx->retry-- > 0) { 1148 printf("; retrying\n"); 1149 goto tryagain; 1150 } else 1151 printf("; giving up\n"); 1152 1153 changed: 1154 harderr: 1155 /* Invalidate the buffer. */ 1156 bp->b_flags |= B_ERROR; 1157 bp->b_resid = bp->b_bcount - mbx->skip; 1158 biodone(bp); 1159 1160 mcdstart(sc); 1161 return -1; 1162 1163 #ifdef notyet 1164 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1165 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1166 delay(300000); 1167 (void) mcd_getstat(sc, 1); 1168 (void) mcd_getstat(sc, 1); 1169 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1170 sc->debug = 1; /* preventive set debug mode */ 1171 #endif 1172 } 1173 1174 void 1175 mcd_soft_reset(sc) 1176 struct mcd_softc *sc; 1177 { 1178 1179 sc->debug = 0; 1180 sc->flags = 0; 1181 sc->lastmode = MCD_MD_UNKNOWN; 1182 sc->lastupc = MCD_UPC_UNKNOWN; 1183 sc->audio_status = CD_AS_AUDIO_INVALID; 1184 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1185 } 1186 1187 int 1188 mcd_hard_reset(sc) 1189 struct mcd_softc *sc; 1190 { 1191 struct mcd_mbox mbx; 1192 1193 mcd_soft_reset(sc); 1194 1195 mbx.cmd.opcode = MCD_CMDRESET; 1196 mbx.cmd.length = 0; 1197 mbx.res.length = 0; 1198 return mcd_send(sc, &mbx, 0); 1199 } 1200 1201 int 1202 mcd_setmode(sc, mode) 1203 struct mcd_softc *sc; 1204 int mode; 1205 { 1206 struct mcd_mbox mbx; 1207 int error; 1208 1209 if (sc->lastmode == mode) 1210 return 0; 1211 if (sc->debug) 1212 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1213 sc->lastmode = MCD_MD_UNKNOWN; 1214 1215 mbx.cmd.opcode = MCD_CMDSETMODE; 1216 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1217 mbx.cmd.data.datamode.mode = mode; 1218 mbx.res.length = 0; 1219 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1220 return error; 1221 1222 sc->lastmode = mode; 1223 return 0; 1224 } 1225 1226 int 1227 mcd_setupc(sc, upc) 1228 struct mcd_softc *sc; 1229 int upc; 1230 { 1231 struct mcd_mbox mbx; 1232 int error; 1233 1234 if (sc->lastupc == upc) 1235 return 0; 1236 if (sc->debug) 1237 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1238 sc->lastupc = MCD_UPC_UNKNOWN; 1239 1240 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1241 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1242 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1243 mbx.cmd.data.config.data1 = upc; 1244 mbx.res.length = 0; 1245 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1246 return error; 1247 1248 sc->lastupc = upc; 1249 return 0; 1250 } 1251 1252 int 1253 mcd_toc_header(sc, th) 1254 struct mcd_softc *sc; 1255 struct ioc_toc_header *th; 1256 { 1257 1258 if (sc->debug) 1259 printf("%s: mcd_toc_header: reading toc header\n", 1260 sc->sc_dev.dv_xname); 1261 1262 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1263 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1264 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1265 1266 return 0; 1267 } 1268 1269 int 1270 mcd_read_toc(sc) 1271 struct mcd_softc *sc; 1272 { 1273 struct ioc_toc_header th; 1274 union mcd_qchninfo q; 1275 int error, trk, idx, retry; 1276 1277 /* Only read TOC if needed. */ 1278 if ((sc->flags & MCDF_HAVETOC) != 0) 1279 return 0; 1280 1281 if ((error = mcd_toc_header(sc, &th)) != 0) 1282 return error; 1283 1284 if ((error = mcd_stop(sc)) != 0) 1285 return error; 1286 1287 if (sc->debug) 1288 printf("%s: read_toc: reading qchannel info\n", 1289 sc->sc_dev.dv_xname); 1290 1291 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1292 sc->toc[trk].toc.idx_no = 0x00; 1293 trk = th.ending_track - th.starting_track + 1; 1294 for (retry = 300; retry && trk > 0; retry--) { 1295 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1296 break; 1297 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1298 continue; 1299 idx = bcd2bin(q.toc.idx_no); 1300 if (idx < MCD_MAXTOCS && 1301 sc->toc[idx].toc.idx_no == 0x00) { 1302 sc->toc[idx] = q; 1303 trk--; 1304 } 1305 } 1306 1307 if (trk != 0) 1308 return EINVAL; 1309 1310 /* Add a fake last+1 for mcd_playtracks(). */ 1311 idx = th.ending_track + 1; 1312 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1313 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1314 sc->toc[idx].toc.trk_no = 0x00; 1315 sc->toc[idx].toc.idx_no = 0xaa; 1316 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1317 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1318 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1319 1320 sc->flags |= MCDF_HAVETOC; 1321 return 0; 1322 } 1323 1324 int 1325 mcd_toc_entries(sc, te) 1326 struct mcd_softc *sc; 1327 struct ioc_read_toc_entry *te; 1328 { 1329 int len = te->data_len; 1330 struct ret_toc { 1331 struct ioc_toc_header header; 1332 struct cd_toc_entry entries[MCD_MAXTOCS]; 1333 } data; 1334 u_char trk; 1335 daddr_t lba; 1336 int error, n; 1337 1338 if (len > sizeof(data.entries) || 1339 len < sizeof(struct cd_toc_entry)) 1340 return EINVAL; 1341 if (te->address_format != CD_MSF_FORMAT && 1342 te->address_format != CD_LBA_FORMAT) 1343 return EINVAL; 1344 1345 /* Copy the TOC header. */ 1346 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1347 return error; 1348 1349 /* Verify starting track. */ 1350 trk = te->starting_track; 1351 if (trk == 0x00) 1352 trk = data.header.starting_track; 1353 else if (trk == 0xaa) 1354 trk = data.header.ending_track + 1; 1355 else if (trk < data.header.starting_track || 1356 trk > data.header.ending_track + 1) 1357 return EINVAL; 1358 1359 /* Make sure we have a valid TOC. */ 1360 if ((error = mcd_read_toc(sc)) != 0) 1361 return error; 1362 1363 /* Copy the TOC data. */ 1364 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1365 if (sc->toc[trk].toc.idx_no == 0x00) 1366 continue; 1367 data.entries[n].control = sc->toc[trk].toc.control; 1368 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1369 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1370 switch (te->address_format) { 1371 case CD_MSF_FORMAT: 1372 data.entries[n].addr[0] = 0; 1373 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1374 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1375 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1376 break; 1377 case CD_LBA_FORMAT: 1378 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1379 data.entries[n].addr[0] = lba >> 24; 1380 data.entries[n].addr[1] = lba >> 16; 1381 data.entries[n].addr[2] = lba >> 8; 1382 data.entries[n].addr[3] = lba; 1383 break; 1384 } 1385 n++; 1386 } 1387 1388 len = min(len, n * sizeof(struct cd_toc_entry)); 1389 1390 /* Copy the data back. */ 1391 return copyout(&data.entries[0], te->data, len); 1392 } 1393 1394 int 1395 mcd_stop(sc) 1396 struct mcd_softc *sc; 1397 { 1398 struct mcd_mbox mbx; 1399 int error; 1400 1401 if (sc->debug) 1402 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1403 1404 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1405 mbx.cmd.length = 0; 1406 mbx.res.length = 0; 1407 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1408 return error; 1409 1410 sc->audio_status = CD_AS_PLAY_COMPLETED; 1411 return 0; 1412 } 1413 1414 int 1415 mcd_getqchan(sc, q, qchn) 1416 struct mcd_softc *sc; 1417 union mcd_qchninfo *q; 1418 int qchn; 1419 { 1420 struct mcd_mbox mbx; 1421 int error; 1422 1423 if (qchn == CD_TRACK_INFO) { 1424 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1425 return error; 1426 } else { 1427 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1428 return error; 1429 } 1430 if (qchn == CD_MEDIA_CATALOG) { 1431 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1432 return error; 1433 } else { 1434 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1435 return error; 1436 } 1437 1438 mbx.cmd.opcode = MCD_CMDGETQCHN; 1439 mbx.cmd.length = 0; 1440 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1441 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1442 return error; 1443 1444 *q = mbx.res.data.qchninfo; 1445 return 0; 1446 } 1447 1448 int 1449 mcd_read_subchannel(sc, ch) 1450 struct mcd_softc *sc; 1451 struct ioc_read_subchannel *ch; 1452 { 1453 int len = ch->data_len; 1454 union mcd_qchninfo q; 1455 struct cd_sub_channel_info data; 1456 daddr_t lba; 1457 int error; 1458 1459 if (sc->debug) 1460 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1461 ch->address_format, ch->data_format); 1462 1463 if (len > sizeof(data) || 1464 len < sizeof(struct cd_sub_channel_header)) 1465 return EINVAL; 1466 if (ch->address_format != CD_MSF_FORMAT && 1467 ch->address_format != CD_LBA_FORMAT) 1468 return EINVAL; 1469 if (ch->data_format != CD_CURRENT_POSITION && 1470 ch->data_format != CD_MEDIA_CATALOG) 1471 return EINVAL; 1472 1473 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1474 return error; 1475 1476 data.header.audio_status = sc->audio_status; 1477 data.what.media_catalog.data_format = ch->data_format; 1478 1479 switch (ch->data_format) { 1480 case CD_MEDIA_CATALOG: 1481 data.what.media_catalog.mc_valid = 1; 1482 #if 0 1483 data.what.media_catalog.mc_number = 1484 #endif 1485 break; 1486 1487 case CD_CURRENT_POSITION: 1488 data.what.position.track_number = bcd2bin(q.current.trk_no); 1489 data.what.position.index_number = bcd2bin(q.current.idx_no); 1490 switch (ch->address_format) { 1491 case CD_MSF_FORMAT: 1492 data.what.position.reladdr[0] = 0; 1493 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1494 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1495 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1496 data.what.position.absaddr[0] = 0; 1497 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1498 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1499 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1500 break; 1501 case CD_LBA_FORMAT: 1502 lba = msf2hsg(q.current.relative_pos, 1); 1503 /* 1504 * Pre-gap has index number of 0, and decreasing MSF 1505 * address. Must be converted to negative LBA, per 1506 * SCSI spec. 1507 */ 1508 if (data.what.position.index_number == 0x00) 1509 lba = -lba; 1510 data.what.position.reladdr[0] = lba >> 24; 1511 data.what.position.reladdr[1] = lba >> 16; 1512 data.what.position.reladdr[2] = lba >> 8; 1513 data.what.position.reladdr[3] = lba; 1514 lba = msf2hsg(q.current.absolute_pos, 0); 1515 data.what.position.absaddr[0] = lba >> 24; 1516 data.what.position.absaddr[1] = lba >> 16; 1517 data.what.position.absaddr[2] = lba >> 8; 1518 data.what.position.absaddr[3] = lba; 1519 break; 1520 } 1521 break; 1522 } 1523 1524 return copyout(&data, ch->data, len); 1525 } 1526 1527 int 1528 mcd_playtracks(sc, p) 1529 struct mcd_softc *sc; 1530 struct ioc_play_track *p; 1531 { 1532 struct mcd_mbox mbx; 1533 int a = p->start_track; 1534 int z = p->end_track; 1535 int error; 1536 1537 if ((error = mcd_read_toc(sc)) != 0) 1538 return error; 1539 1540 if (sc->debug) 1541 printf("%s: playtracks: from %d:%d to %d:%d\n", 1542 sc->sc_dev.dv_xname, 1543 a, p->start_index, z, p->end_index); 1544 1545 if (a < bcd2bin(sc->volinfo.trk_low) || 1546 a > bcd2bin(sc->volinfo.trk_high) || 1547 a > z || 1548 z < bcd2bin(sc->volinfo.trk_low) || 1549 z > bcd2bin(sc->volinfo.trk_high)) 1550 return EINVAL; 1551 1552 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1553 return error; 1554 1555 mbx.cmd.opcode = MCD_CMDREAD2; 1556 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1557 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1558 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1559 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1560 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1561 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1562 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1563 sc->lastpb = mbx.cmd; 1564 mbx.res.length = 0; 1565 return mcd_send(sc, &mbx, 1); 1566 } 1567 1568 int 1569 mcd_playmsf(sc, p) 1570 struct mcd_softc *sc; 1571 struct ioc_play_msf *p; 1572 { 1573 struct mcd_mbox mbx; 1574 int error; 1575 1576 if ((error = mcd_read_toc(sc)) != 0) 1577 return error; 1578 1579 if (sc->debug) 1580 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1581 sc->sc_dev.dv_xname, 1582 p->start_m, p->start_s, p->start_f, 1583 p->end_m, p->end_s, p->end_f); 1584 1585 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1586 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1587 return EINVAL; 1588 1589 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1590 return error; 1591 1592 mbx.cmd.opcode = MCD_CMDREAD2; 1593 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1594 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1595 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1596 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1597 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1598 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1599 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1600 sc->lastpb = mbx.cmd; 1601 mbx.res.length = 0; 1602 return mcd_send(sc, &mbx, 1); 1603 } 1604 1605 int 1606 mcd_playblocks(sc, p) 1607 struct mcd_softc *sc; 1608 struct ioc_play_blocks *p; 1609 { 1610 struct mcd_mbox mbx; 1611 int error; 1612 1613 if ((error = mcd_read_toc(sc)) != 0) 1614 return error; 1615 1616 if (sc->debug) 1617 printf("%s: playblocks: blkno %d length %d\n", 1618 sc->sc_dev.dv_xname, p->blk, p->len); 1619 1620 if (p->blk > sc->disksize || p->len > sc->disksize || 1621 (p->blk + p->len) > sc->disksize) 1622 return 0; 1623 1624 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1625 return error; 1626 1627 mbx.cmd.opcode = MCD_CMDREAD2; 1628 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1629 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1630 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1631 sc->lastpb = mbx.cmd; 1632 mbx.res.length = 0; 1633 return mcd_send(sc, &mbx, 1); 1634 } 1635 1636 int 1637 mcd_pause(sc) 1638 struct mcd_softc *sc; 1639 { 1640 union mcd_qchninfo q; 1641 int error; 1642 1643 /* Verify current status. */ 1644 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1645 printf("%s: pause: attempted when not playing\n", 1646 sc->sc_dev.dv_xname); 1647 return EINVAL; 1648 } 1649 1650 /* Get the current position. */ 1651 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1652 return error; 1653 1654 /* Copy it into lastpb. */ 1655 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1656 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1657 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1658 1659 /* Stop playing. */ 1660 if ((error = mcd_stop(sc)) != 0) 1661 return error; 1662 1663 /* Set the proper status and exit. */ 1664 sc->audio_status = CD_AS_PLAY_PAUSED; 1665 return 0; 1666 } 1667 1668 int 1669 mcd_resume(sc) 1670 struct mcd_softc *sc; 1671 { 1672 struct mcd_mbox mbx; 1673 int error; 1674 1675 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1676 return EINVAL; 1677 1678 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1679 return error; 1680 1681 mbx.cmd = sc->lastpb; 1682 mbx.res.length = 0; 1683 return mcd_send(sc, &mbx, 1); 1684 } 1685 1686 int 1687 mcd_eject(sc) 1688 struct mcd_softc *sc; 1689 { 1690 struct mcd_mbox mbx; 1691 1692 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1693 mbx.cmd.length = 0; 1694 mbx.res.length = 0; 1695 return mcd_send(sc, &mbx, 0); 1696 } 1697 1698 int 1699 mcd_setlock(sc, mode) 1700 struct mcd_softc *sc; 1701 int mode; 1702 { 1703 struct mcd_mbox mbx; 1704 1705 mbx.cmd.opcode = MCD_CMDSETLOCK; 1706 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1707 mbx.cmd.data.lockmode.mode = mode; 1708 mbx.res.length = 0; 1709 return mcd_send(sc, &mbx, 1); 1710 } 1711
Indexes created Tue Sep 30 07:10:03 GMT 2025