mcd.c revision 1.44
1 /* $NetBSD: mcd.c,v 1.44 1996/01/07 22:03:37 thorpej 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 <dev/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_WAITMODE 2 104 #define MCD_S_WAITREAD 3 105 int mode; 106 }; 107 108 struct mcd_softc { 109 struct device sc_dev; 110 struct disk sc_dk; 111 void *sc_ih; 112 113 int iobase; 114 int irq, drq; 115 116 char *type; 117 u_char readcmd; 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 short status; 125 short audio_status; 126 int blksize; 127 u_long disksize; 128 struct mcd_volinfo volinfo; 129 union mcd_qchninfo toc[MCD_MAXTOCS]; 130 struct mcd_command lastpb; 131 struct mcd_mbx mbx; 132 int lastmode; 133 #define MCD_MD_UNKNOWN -1 134 int lastupc; 135 #define MCD_UPC_UNKNOWN -1 136 int debug; 137 struct buf buf_queue; 138 }; 139 140 /* prototypes */ 141 int mcdopen __P((dev_t, int, int, struct proc *)); 142 int mcdclose __P((dev_t, int, int)); 143 int mcdioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); 144 int mcdsize __P((dev_t)); 145 146 static int bcd2bin __P((bcd_t)); 147 static bcd_t bin2bcd __P((int)); 148 static void hsg2msf __P((int, bcd_t *)); 149 static daddr_t msf2hsg __P((bcd_t *, int)); 150 151 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 152 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 153 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 154 int mcd_stop __P((struct mcd_softc *)); 155 int mcd_eject __P((struct mcd_softc *)); 156 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 157 int mcd_pause __P((struct mcd_softc *)); 158 int mcd_resume __P((struct mcd_softc *)); 159 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 160 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 161 162 int mcd_getreply __P((struct mcd_softc *)); 163 int mcd_getstat __P((struct mcd_softc *)); 164 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 165 void mcd_setflags __P((struct mcd_softc *)); 166 int mcd_get __P((struct mcd_softc *, char *, int)); 167 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 168 int mcdintr __P((void *)); 169 void mcd_soft_reset __P((struct mcd_softc *)); 170 int mcd_hard_reset __P((struct mcd_softc *)); 171 int mcd_setmode __P((struct mcd_softc *, int)); 172 int mcd_setupc __P((struct mcd_softc *, int)); 173 int mcd_read_toc __P((struct mcd_softc *)); 174 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 175 int mcd_setlock __P((struct mcd_softc *, int)); 176 177 int mcdprobe __P((struct device *, void *, void *)); 178 void mcdattach __P((struct device *, struct device *, void *)); 179 180 struct cfdriver mcdcd = { 181 NULL, "mcd", mcdprobe, mcdattach, DV_DISK, sizeof(struct mcd_softc) 182 }; 183 184 void mcdgetdisklabel __P((struct mcd_softc *)); 185 int mcd_get_parms __P((struct mcd_softc *)); 186 void mcdstrategy __P((struct buf *)); 187 void mcdstart __P((struct mcd_softc *)); 188 189 struct dkdriver mcddkdriver = { mcdstrategy }; 190 191 #define MCD_RETRIES 3 192 #define MCD_RDRETRIES 3 193 194 /* several delays */ 195 #define RDELAY_WAITMODE 300 196 #define RDELAY_WAITREAD 800 197 198 #define DELAY_GRANULARITY 25 /* 25us */ 199 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 200 201 void 202 mcdattach(parent, self, aux) 203 struct device *parent, *self; 204 void *aux; 205 { 206 struct mcd_softc *sc = (void *)self; 207 struct isa_attach_args *ia = aux; 208 struct mcd_mbox mbx; 209 210 /* 211 * Initialize and attach the disk structure. 212 */ 213 sc->sc_dk.dk_driver = &mcddkdriver; 214 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 215 disk_attach(&sc->sc_dk); 216 217 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 218 219 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 220 221 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 222 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 223 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 224 mbx.cmd.data.config.data1 = 0x01; 225 mbx.res.length = 0; 226 (void) mcd_send(sc, &mbx, 0); 227 228 mcd_soft_reset(sc); 229 230 sc->sc_ih = isa_intr_establish(ia->ia_irq, IST_EDGE, IPL_BIO, mcdintr, 231 sc); 232 } 233 234 /* 235 * Wait interruptibly for an exclusive lock. 236 * 237 * XXX 238 * Several drivers do this; it should be abstracted and made MP-safe. 239 */ 240 int 241 mcdlock(sc) 242 struct mcd_softc *sc; 243 { 244 int error; 245 246 while ((sc->flags & MCDF_LOCKED) != 0) { 247 sc->flags |= MCDF_WANTED; 248 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 249 return error; 250 } 251 sc->flags |= MCDF_LOCKED; 252 return 0; 253 } 254 255 /* 256 * Unlock and wake up any waiters. 257 */ 258 void 259 mcdunlock(sc) 260 struct mcd_softc *sc; 261 { 262 263 sc->flags &= ~MCDF_LOCKED; 264 if ((sc->flags & MCDF_WANTED) != 0) { 265 sc->flags &= ~MCDF_WANTED; 266 wakeup(sc); 267 } 268 } 269 270 int 271 mcdopen(dev, flag, fmt, p) 272 dev_t dev; 273 int flag, fmt; 274 struct proc *p; 275 { 276 int error; 277 int unit, part; 278 struct mcd_softc *sc; 279 280 unit = MCDUNIT(dev); 281 if (unit >= mcdcd.cd_ndevs) 282 return ENXIO; 283 sc = mcdcd.cd_devs[unit]; 284 if (!sc) 285 return ENXIO; 286 287 if (error = mcdlock(sc)) 288 return error; 289 290 if (sc->sc_dk.dk_openmask != 0) { 291 /* 292 * If any partition is open, but the disk has been invalidated, 293 * disallow further opens. 294 */ 295 if ((sc->flags & MCDF_LOADED) == 0) { 296 error = EIO; 297 goto bad3; 298 } 299 } else { 300 /* 301 * Lock the drawer. This will also notice any pending disk 302 * change or door open indicator and clear the MCDF_LOADED bit 303 * if necessary. 304 */ 305 (void) mcd_setlock(sc, MCD_LK_LOCK); 306 307 if ((sc->flags & MCDF_LOADED) == 0) { 308 /* Partially reset the state. */ 309 sc->lastmode = MCD_MD_UNKNOWN; 310 sc->lastupc = MCD_UPC_UNKNOWN; 311 312 sc->flags |= MCDF_LOADED; 313 314 /* Set the mode, causing the disk to spin up. */ 315 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 316 goto bad2; 317 318 /* Load the physical device parameters. */ 319 if (mcd_get_parms(sc) != 0) { 320 error = ENXIO; 321 goto bad2; 322 } 323 324 /* Read the table of contents. */ 325 if ((error = mcd_read_toc(sc)) != 0) 326 goto bad2; 327 328 /* Fabricate a disk label. */ 329 mcdgetdisklabel(sc); 330 } 331 } 332 333 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 334 sc->disksize, sc->blksize, 0); 335 336 part = MCDPART(dev); 337 338 /* Check that the partition exists. */ 339 if (part != RAW_PART && 340 (part >= sc->sc_dk.dk_label->d_npartitions || 341 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 342 error = ENXIO; 343 goto bad; 344 } 345 346 /* Insure only one open at a time. */ 347 switch (fmt) { 348 case S_IFCHR: 349 sc->sc_dk.dk_copenmask |= (1 << part); 350 break; 351 case S_IFBLK: 352 sc->sc_dk.dk_bopenmask |= (1 << part); 353 break; 354 } 355 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 356 357 mcdunlock(sc); 358 return 0; 359 360 bad2: 361 sc->flags &= ~MCDF_LOADED; 362 363 bad: 364 if (sc->sc_dk.dk_openmask == 0) { 365 #if 0 366 (void) mcd_setmode(sc, MCD_MD_SLEEP); 367 #endif 368 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 369 } 370 371 bad3: 372 mcdunlock(sc); 373 return error; 374 } 375 376 int 377 mcdclose(dev, flag, fmt) 378 dev_t dev; 379 int flag, fmt; 380 { 381 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 382 int part = MCDPART(dev); 383 int error; 384 385 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 386 387 if (error = mcdlock(sc)) 388 return error; 389 390 switch (fmt) { 391 case S_IFCHR: 392 sc->sc_dk.dk_copenmask &= ~(1 << part); 393 break; 394 case S_IFBLK: 395 sc->sc_dk.dk_bopenmask &= ~(1 << part); 396 break; 397 } 398 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 399 400 if (sc->sc_dk.dk_openmask == 0) { 401 /* XXXX Must wait for I/O to complete! */ 402 403 #if 0 404 (void) mcd_setmode(sc, MCD_MD_SLEEP); 405 #endif 406 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 407 } 408 409 mcdunlock(sc); 410 return 0; 411 } 412 413 void 414 mcdstrategy(bp) 415 struct buf *bp; 416 { 417 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 418 int s; 419 420 /* Test validity. */ 421 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 422 bp->b_blkno, bp->b_bcount, 0); 423 if (bp->b_blkno < 0 || 424 (bp->b_bcount % sc->blksize) != 0) { 425 printf("%s: strategy: blkno = %d bcount = %d\n", 426 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 427 bp->b_error = EINVAL; 428 goto bad; 429 } 430 431 /* If device invalidated (e.g. media change, door open), error. */ 432 if ((sc->flags & MCDF_LOADED) == 0) { 433 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 434 bp->b_error = EIO; 435 goto bad; 436 } 437 438 /* No data to read. */ 439 if (bp->b_bcount == 0) 440 goto done; 441 442 /* 443 * Do bounds checking, adjust transfer. if error, process. 444 * If end of partition, just return. 445 */ 446 if (MCDPART(bp->b_dev) != RAW_PART && 447 bounds_check_with_label(bp, sc->sc_dk.dk_label, 448 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 449 goto done; 450 451 /* Queue it. */ 452 s = splbio(); 453 disksort(&sc->buf_queue, bp); 454 splx(s); 455 if (!sc->buf_queue.b_active) 456 mcdstart(sc); 457 return; 458 459 bad: 460 bp->b_flags |= B_ERROR; 461 done: 462 bp->b_resid = bp->b_bcount; 463 biodone(bp); 464 } 465 466 void 467 mcdstart(sc) 468 struct mcd_softc *sc; 469 { 470 struct buf *bp, *dp = &sc->buf_queue; 471 int s; 472 473 loop: 474 s = splbio(); 475 476 bp = dp->b_actf; 477 if (bp == NULL) { 478 /* Nothing to do. */ 479 dp->b_active = 0; 480 splx(s); 481 return; 482 } 483 484 /* Block found to process; dequeue. */ 485 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 486 dp->b_actf = bp->b_actf; 487 splx(s); 488 489 /* Changed media? */ 490 if ((sc->flags & MCDF_LOADED) == 0) { 491 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 492 bp->b_error = EIO; 493 bp->b_flags |= B_ERROR; 494 biodone(bp); 495 goto loop; 496 } 497 498 dp->b_active = 1; 499 500 /* Instrumentation. */ 501 s = splbio(); 502 disk_busy(&sc->sc_dk); 503 splx(s); 504 505 sc->mbx.retry = MCD_RDRETRIES; 506 sc->mbx.bp = bp; 507 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 508 if (MCDPART(bp->b_dev) != RAW_PART) { 509 struct partition *p; 510 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 511 sc->mbx.blkno += p->p_offset; 512 } 513 sc->mbx.nblk = bp->b_bcount / sc->blksize; 514 sc->mbx.sz = sc->blksize; 515 sc->mbx.skip = 0; 516 sc->mbx.state = MCD_S_BEGIN; 517 sc->mbx.mode = MCD_MD_COOKED; 518 519 s = splbio(); 520 (void) mcdintr(sc); 521 splx(s); 522 } 523 524 int 525 mcdread(dev, uio) 526 dev_t dev; 527 struct uio *uio; 528 { 529 530 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 531 } 532 533 int 534 mcdwrite(dev, uio) 535 dev_t dev; 536 struct uio *uio; 537 { 538 539 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 540 } 541 542 int 543 mcdioctl(dev, cmd, addr, flag, p) 544 dev_t dev; 545 u_long cmd; 546 caddr_t addr; 547 int flag; 548 struct proc *p; 549 { 550 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 551 int error; 552 553 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 554 555 if ((sc->flags & MCDF_LOADED) == 0) 556 return EIO; 557 558 switch (cmd) { 559 case DIOCGDINFO: 560 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 561 return 0; 562 563 case DIOCGPART: 564 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 565 ((struct partinfo *)addr)->part = 566 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 567 return 0; 568 569 case DIOCWDINFO: 570 case DIOCSDINFO: 571 if ((flag & FWRITE) == 0) 572 return EBADF; 573 574 if (error = mcdlock(sc)) 575 return error; 576 sc->flags |= MCDF_LABELLING; 577 578 error = setdisklabel(sc->sc_dk.dk_label, 579 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 580 sc->sc_dk.dk_cpulabel); 581 if (error == 0) { 582 } 583 584 sc->flags &= ~MCDF_LABELLING; 585 mcdunlock(sc); 586 return error; 587 588 case DIOCWLABEL: 589 return EBADF; 590 591 case CDIOCPLAYTRACKS: 592 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 593 case CDIOCPLAYMSF: 594 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 595 case CDIOCPLAYBLOCKS: 596 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 597 case CDIOCREADSUBCHANNEL: 598 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 599 case CDIOREADTOCHEADER: 600 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 601 case CDIOREADTOCENTRYS: 602 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 603 case CDIOCSETPATCH: 604 case CDIOCGETVOL: 605 case CDIOCSETVOL: 606 case CDIOCSETMONO: 607 case CDIOCSETSTEREO: 608 case CDIOCSETMUTE: 609 case CDIOCSETLEFT: 610 case CDIOCSETRIGHT: 611 return EINVAL; 612 case CDIOCRESUME: 613 return mcd_resume(sc); 614 case CDIOCPAUSE: 615 return mcd_pause(sc); 616 case CDIOCSTART: 617 return EINVAL; 618 case CDIOCSTOP: 619 return mcd_stop(sc); 620 case CDIOCEJECT: 621 return mcd_eject(sc); 622 case CDIOCALLOW: 623 return mcd_setlock(sc, MCD_LK_UNLOCK); 624 case CDIOCPREVENT: 625 return mcd_setlock(sc, MCD_LK_LOCK); 626 case CDIOCSETDEBUG: 627 sc->debug = 1; 628 return 0; 629 case CDIOCCLRDEBUG: 630 sc->debug = 0; 631 return 0; 632 case CDIOCRESET: 633 return mcd_hard_reset(sc); 634 635 default: 636 return ENOTTY; 637 } 638 639 #ifdef DIAGNOSTIC 640 panic("mcdioctl: impossible"); 641 #endif 642 } 643 644 /* 645 * This could have been taken from scsi/cd.c, but it is not clear 646 * whether the scsi cd driver is linked in. 647 */ 648 void 649 mcdgetdisklabel(sc) 650 struct mcd_softc *sc; 651 { 652 struct disklabel *lp = sc->sc_dk.dk_label; 653 654 bzero(lp, sizeof(struct disklabel)); 655 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 656 657 lp->d_secsize = sc->blksize; 658 lp->d_ntracks = 1; 659 lp->d_nsectors = 100; 660 lp->d_ncylinders = (sc->disksize / 100) + 1; 661 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 662 663 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 664 lp->d_type = 0; /* XXX */ 665 strncpy(lp->d_packname, "fictitious", 16); 666 lp->d_secperunit = sc->disksize; 667 lp->d_rpm = 300; 668 lp->d_interleave = 1; 669 lp->d_flags = D_REMOVABLE; 670 671 lp->d_partitions[0].p_offset = 0; 672 lp->d_partitions[0].p_size = 673 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 674 lp->d_partitions[0].p_fstype = FS_ISO9660; 675 lp->d_partitions[RAW_PART].p_offset = 0; 676 lp->d_partitions[RAW_PART].p_size = 677 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 678 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 679 lp->d_npartitions = RAW_PART + 1; 680 681 lp->d_magic = DISKMAGIC; 682 lp->d_magic2 = DISKMAGIC; 683 lp->d_checksum = dkcksum(lp); 684 } 685 686 int 687 mcd_get_parms(sc) 688 struct mcd_softc *sc; 689 { 690 struct mcd_mbox mbx; 691 daddr_t size; 692 int error; 693 694 /* Send volume info command. */ 695 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 696 mbx.cmd.length = 0; 697 mbx.res.length = sizeof(mbx.res.data.volinfo); 698 if ((error = mcd_send(sc, &mbx, 1)) != 0) 699 return error; 700 701 if (mbx.res.data.volinfo.trk_low == 0x00 && 702 mbx.res.data.volinfo.trk_high == 0x00) 703 return EINVAL; 704 705 /* Volinfo is OK. */ 706 sc->volinfo = mbx.res.data.volinfo; 707 sc->blksize = MCD_BLKSIZE_COOKED; 708 size = msf2hsg(sc->volinfo.vol_msf, 0); 709 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 710 return 0; 711 } 712 713 int 714 mcdsize(dev) 715 dev_t dev; 716 { 717 718 /* CD-ROMs are read-only. */ 719 return -1; 720 } 721 722 int 723 mcddump(dev, blkno, va, size) 724 dev_t dev; 725 daddr_t blkno; 726 caddr_t va; 727 size_t size; 728 { 729 730 /* Not implemented. */ 731 return ENXIO; 732 } 733 734 int 735 mcdprobe(parent, match, aux) 736 struct device *parent; 737 void *match, *aux; 738 { 739 struct mcd_softc *sc = match; 740 struct isa_attach_args *ia = aux; 741 int iobase = ia->ia_iobase; 742 int i; 743 struct mcd_mbox mbx; 744 745 sc->iobase = iobase; 746 747 /* Send a reset. */ 748 outb(iobase + MCD_RESET, 0); 749 delay(1000000); 750 /* Get any pending status and throw away. */ 751 for (i = 10; i; i--) 752 inb(iobase + MCD_STATUS); 753 delay(1000); 754 755 /* Send get status command. */ 756 mbx.cmd.opcode = MCD_CMDGETSTAT; 757 mbx.cmd.length = 0; 758 mbx.res.length = 0; 759 if (mcd_send(sc, &mbx, 0) != 0) 760 return 0; 761 762 /* Get info about the drive. */ 763 mbx.cmd.opcode = MCD_CMDCONTINFO; 764 mbx.cmd.length = 0; 765 mbx.res.length = sizeof(mbx.res.data.continfo); 766 if (mcd_send(sc, &mbx, 0) != 0) 767 return 0; 768 769 /* 770 * The following is code which is not guaranteed to work for all 771 * drives, because the meaning of the expected 'M' is not clear 772 * (M_itsumi is an obvious assumption, but I don't trust that). 773 * Also, the original hack had a bogus condition that always 774 * returned true. 775 * 776 * Note: Which models support interrupts? >=LU005S? 777 */ 778 sc->readcmd = MCD_CMDREADSINGLESPEED; 779 switch (mbx.res.data.continfo.code) { 780 case 'M': 781 if (mbx.res.data.continfo.version <= 2) 782 sc->type = "LU002S"; 783 else if (mbx.res.data.continfo.version <= 5) 784 sc->type = "LU005S"; 785 else 786 sc->type = "LU006S"; 787 break; 788 case 'F': 789 sc->type = "FX001"; 790 break; 791 case 'D': 792 sc->type = "FX001D"; 793 sc->readcmd = MCD_CMDREADDOUBLESPEED; 794 break; 795 default: 796 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 797 sc->sc_dev.dv_xname, 798 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 799 sc->type = 0; 800 break; 801 } 802 803 ia->ia_iosize = 4; 804 ia->ia_msize = 0; 805 return 1; 806 } 807 808 int 809 mcd_getreply(sc) 810 struct mcd_softc *sc; 811 { 812 int iobase = sc->iobase; 813 int i; 814 815 /* Wait until xfer port senses data ready. */ 816 for (i = DELAY_GETREPLY; i; i--) { 817 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 818 break; 819 delay(DELAY_GRANULARITY); 820 } 821 if (!i) 822 return -1; 823 824 /* Get the data. */ 825 return inb(iobase + MCD_STATUS); 826 } 827 828 int 829 mcd_getstat(sc) 830 struct mcd_softc *sc; 831 { 832 struct mcd_mbox mbx; 833 834 mbx.cmd.opcode = MCD_CMDGETSTAT; 835 mbx.cmd.length = 0; 836 mbx.res.length = 0; 837 return mcd_send(sc, &mbx, 1); 838 } 839 840 int 841 mcd_getresult(sc, res) 842 struct mcd_softc *sc; 843 struct mcd_result *res; 844 { 845 int i, x; 846 847 if (sc->debug) 848 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 849 res->length); 850 851 if ((x = mcd_getreply(sc)) < 0) { 852 if (sc->debug) 853 printf(" timeout\n"); 854 else 855 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 856 return EIO; 857 } 858 if (sc->debug) 859 printf(" %02x", (u_int)x); 860 sc->status = x; 861 mcd_setflags(sc); 862 863 if ((sc->status & MCD_ST_CMDCHECK) != 0) 864 return EINVAL; 865 866 for (i = 0; i < res->length; i++) { 867 if ((x = mcd_getreply(sc)) < 0) { 868 if (sc->debug) 869 printf(" timeout\n"); 870 else 871 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 872 return EIO; 873 } 874 if (sc->debug) 875 printf(" %02x", (u_int)x); 876 res->data.raw.data[i] = x; 877 } 878 879 if (sc->debug) 880 printf(" succeeded\n"); 881 882 #ifdef MCDDEBUG 883 delay(10); 884 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 885 x = inb(sc->iobase + MCD_STATUS); 886 printf("%s: got extra byte %02x during getstatus\n", 887 sc->sc_dev.dv_xname, (u_int)x); 888 delay(10); 889 } 890 #endif 891 892 return 0; 893 } 894 895 void 896 mcd_setflags(sc) 897 struct mcd_softc *sc; 898 { 899 900 /* Check flags. */ 901 if ((sc->flags & MCDF_LOADED) != 0 && 902 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 903 MCD_ST_DSKIN) { 904 if ((sc->status & MCD_ST_DOOROPEN) != 0) 905 printf("%s: door open\n", sc->sc_dev.dv_xname); 906 else if ((sc->status & MCD_ST_DSKIN) == 0) 907 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 908 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 909 printf("%s: media change\n", sc->sc_dev.dv_xname); 910 sc->flags &= ~MCDF_LOADED; 911 } 912 913 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 914 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 915 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 916 sc->audio_status == CD_AS_AUDIO_INVALID) 917 sc->audio_status = CD_AS_PLAY_COMPLETED; 918 } 919 920 int 921 mcd_send(sc, mbx, diskin) 922 struct mcd_softc *sc; 923 struct mcd_mbox *mbx; 924 int diskin; 925 { 926 int iobase = sc->iobase; 927 int retry, i, error; 928 929 if (sc->debug) { 930 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 931 mbx->cmd.length, (u_int)mbx->cmd.opcode); 932 for (i = 0; i < mbx->cmd.length; i++) 933 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 934 printf("\n"); 935 } 936 937 for (retry = MCD_RETRIES; retry; retry--) { 938 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 939 for (i = 0; i < mbx->cmd.length; i++) 940 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 941 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 942 break; 943 if (error == EINVAL) 944 return error; 945 } 946 if (!retry) 947 return error; 948 if (diskin && (sc->flags & MCDF_LOADED) == 0) 949 return EIO; 950 951 return 0; 952 } 953 954 static int 955 bcd2bin(b) 956 bcd_t b; 957 { 958 959 return (b >> 4) * 10 + (b & 15); 960 } 961 962 static bcd_t 963 bin2bcd(b) 964 int b; 965 { 966 967 return ((b / 10) << 4) | (b % 10); 968 } 969 970 static void 971 hsg2msf(hsg, msf) 972 int hsg; 973 bcd_t *msf; 974 { 975 976 hsg += 150; 977 F_msf(msf) = bin2bcd(hsg % 75); 978 hsg /= 75; 979 S_msf(msf) = bin2bcd(hsg % 60); 980 hsg /= 60; 981 M_msf(msf) = bin2bcd(hsg); 982 } 983 984 static daddr_t 985 msf2hsg(msf, relative) 986 bcd_t *msf; 987 int relative; 988 { 989 daddr_t blkno; 990 991 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 992 bcd2bin(S_msf(msf)) * 75 + 993 bcd2bin(F_msf(msf)); 994 if (!relative) 995 blkno -= 150; 996 return blkno; 997 } 998 999 void 1000 mcd_pseudointr(sc) 1001 struct mcd_softc *sc; 1002 { 1003 int s; 1004 1005 s = splbio(); 1006 (void) mcdintr(sc); 1007 splx(s); 1008 } 1009 1010 /* 1011 * State machine to process read requests. 1012 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1013 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1014 * MCD_S_WAITREAD: wait for read ready, read data. 1015 */ 1016 int 1017 mcdintr(arg) 1018 void *arg; 1019 { 1020 struct mcd_softc *sc = arg; 1021 struct mcd_mbx *mbx = &sc->mbx; 1022 int iobase = sc->iobase; 1023 struct buf *bp = mbx->bp; 1024 1025 int i; 1026 u_char x; 1027 bcd_t msf[3]; 1028 1029 switch (mbx->state) { 1030 case MCD_S_IDLE: 1031 return 0; 1032 1033 case MCD_S_BEGIN: 1034 tryagain: 1035 if (mbx->mode == sc->lastmode) 1036 goto firstblock; 1037 1038 sc->lastmode = MCD_MD_UNKNOWN; 1039 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1040 outb(iobase + MCD_COMMAND, mbx->mode); 1041 1042 mbx->count = RDELAY_WAITMODE; 1043 mbx->state = MCD_S_WAITMODE; 1044 1045 case MCD_S_WAITMODE: 1046 untimeout(mcd_pseudointr, sc); 1047 for (i = 20; i; i--) { 1048 x = inb(iobase + MCD_XFER); 1049 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1050 break; 1051 delay(50); 1052 } 1053 if (i == 0) 1054 goto hold; 1055 sc->status = inb(iobase + MCD_STATUS); 1056 mcd_setflags(sc); 1057 if ((sc->flags & MCDF_LOADED) == 0) 1058 goto changed; 1059 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1060 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1061 1062 sc->lastmode = mbx->mode; 1063 1064 firstblock: 1065 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1066 bp, 0, 0); 1067 1068 /* Build parameter block. */ 1069 hsg2msf(mbx->blkno, msf); 1070 1071 /* Send the read command. */ 1072 outb(iobase + MCD_COMMAND, sc->readcmd); 1073 outb(iobase + MCD_COMMAND, msf[0]); 1074 outb(iobase + MCD_COMMAND, msf[1]); 1075 outb(iobase + MCD_COMMAND, msf[2]); 1076 outb(iobase + MCD_COMMAND, 0); 1077 outb(iobase + MCD_COMMAND, 0); 1078 outb(iobase + MCD_COMMAND, mbx->nblk); 1079 1080 mbx->count = RDELAY_WAITREAD; 1081 mbx->state = MCD_S_WAITREAD; 1082 1083 case MCD_S_WAITREAD: 1084 untimeout(mcd_pseudointr, sc); 1085 nextblock: 1086 loop: 1087 for (i = 20; i; i--) { 1088 x = inb(iobase + MCD_XFER); 1089 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1090 goto gotblock; 1091 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1092 break; 1093 delay(50); 1094 } 1095 if (i == 0) 1096 goto hold; 1097 sc->status = inb(iobase + MCD_STATUS); 1098 mcd_setflags(sc); 1099 if ((sc->flags & MCDF_LOADED) == 0) 1100 goto changed; 1101 #if 0 1102 printf("%s: got status byte %02x during read\n", 1103 sc->sc_dev.dv_xname, (u_int)sc->status); 1104 #endif 1105 goto loop; 1106 1107 gotblock: 1108 MCD_TRACE("doread: got data delay=%d\n", 1109 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1110 1111 /* Data is ready. */ 1112 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1113 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1114 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1115 mbx->blkno += 1; 1116 mbx->skip += mbx->sz; 1117 if (--mbx->nblk > 0) 1118 goto nextblock; 1119 1120 mbx->state = MCD_S_IDLE; 1121 1122 /* Return buffer. */ 1123 bp->b_resid = 0; 1124 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1125 biodone(bp); 1126 1127 mcdstart(sc); 1128 return 1; 1129 1130 hold: 1131 if (mbx->count-- < 0) { 1132 printf("%s: timeout in state %d", 1133 sc->sc_dev.dv_xname, mbx->state); 1134 goto readerr; 1135 } 1136 1137 #if 0 1138 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1139 mbx->state); 1140 #endif 1141 timeout(mcd_pseudointr, sc, hz / 100); 1142 return -1; 1143 } 1144 1145 readerr: 1146 if (mbx->retry-- > 0) { 1147 printf("; retrying\n"); 1148 goto tryagain; 1149 } else 1150 printf("; giving up\n"); 1151 1152 changed: 1153 harderr: 1154 /* Invalidate the buffer. */ 1155 bp->b_flags |= B_ERROR; 1156 bp->b_resid = bp->b_bcount - mbx->skip; 1157 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 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 if ((error = mcd_toc_header(sc, &th)) != 0) 1278 return error; 1279 1280 if ((error = mcd_stop(sc)) != 0) 1281 return error; 1282 1283 if (sc->debug) 1284 printf("%s: read_toc: reading qchannel info\n", 1285 sc->sc_dev.dv_xname); 1286 1287 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1288 sc->toc[trk].toc.idx_no = 0x00; 1289 trk = th.ending_track - th.starting_track + 1; 1290 for (retry = 300; retry && trk > 0; retry--) { 1291 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1292 break; 1293 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1294 continue; 1295 idx = bcd2bin(q.toc.idx_no); 1296 if (idx < MCD_MAXTOCS && 1297 sc->toc[idx].toc.idx_no == 0x00) { 1298 sc->toc[idx] = q; 1299 trk--; 1300 } 1301 } 1302 1303 /* Inform the drive that we're finished so it turns off the light. */ 1304 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1305 return error; 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 return 0; 1321 } 1322 1323 int 1324 mcd_toc_entries(sc, te) 1325 struct mcd_softc *sc; 1326 struct ioc_read_toc_entry *te; 1327 { 1328 int len = te->data_len; 1329 struct ret_toc { 1330 struct ioc_toc_header header; 1331 struct cd_toc_entry entries[MCD_MAXTOCS]; 1332 } data; 1333 u_char trk; 1334 daddr_t lba; 1335 int error, n; 1336 1337 if (len > sizeof(data.entries) || 1338 len < sizeof(struct cd_toc_entry)) 1339 return EINVAL; 1340 if (te->address_format != CD_MSF_FORMAT && 1341 te->address_format != CD_LBA_FORMAT) 1342 return EINVAL; 1343 1344 /* Copy the TOC header. */ 1345 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1346 return error; 1347 1348 /* Verify starting track. */ 1349 trk = te->starting_track; 1350 if (trk == 0x00) 1351 trk = data.header.starting_track; 1352 else if (trk == 0xaa) 1353 trk = data.header.ending_track + 1; 1354 else if (trk < data.header.starting_track || 1355 trk > data.header.ending_track + 1) 1356 return EINVAL; 1357 1358 /* Copy the TOC data. */ 1359 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1360 if (sc->toc[trk].toc.idx_no == 0x00) 1361 continue; 1362 data.entries[n].control = sc->toc[trk].toc.control; 1363 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1364 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1365 switch (te->address_format) { 1366 case CD_MSF_FORMAT: 1367 data.entries[n].addr[0] = 0; 1368 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1369 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1370 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1371 break; 1372 case CD_LBA_FORMAT: 1373 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1374 data.entries[n].addr[0] = lba >> 24; 1375 data.entries[n].addr[1] = lba >> 16; 1376 data.entries[n].addr[2] = lba >> 8; 1377 data.entries[n].addr[3] = lba; 1378 break; 1379 } 1380 n++; 1381 } 1382 1383 len = min(len, n * sizeof(struct cd_toc_entry)); 1384 1385 /* Copy the data back. */ 1386 return copyout(&data.entries[0], te->data, len); 1387 } 1388 1389 int 1390 mcd_stop(sc) 1391 struct mcd_softc *sc; 1392 { 1393 struct mcd_mbox mbx; 1394 int error; 1395 1396 if (sc->debug) 1397 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1398 1399 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1400 mbx.cmd.length = 0; 1401 mbx.res.length = 0; 1402 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1403 return error; 1404 1405 sc->audio_status = CD_AS_PLAY_COMPLETED; 1406 return 0; 1407 } 1408 1409 int 1410 mcd_getqchan(sc, q, qchn) 1411 struct mcd_softc *sc; 1412 union mcd_qchninfo *q; 1413 int qchn; 1414 { 1415 struct mcd_mbox mbx; 1416 int error; 1417 1418 if (qchn == CD_TRACK_INFO) { 1419 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1420 return error; 1421 } else { 1422 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1423 return error; 1424 } 1425 if (qchn == CD_MEDIA_CATALOG) { 1426 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1427 return error; 1428 } else { 1429 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1430 return error; 1431 } 1432 1433 mbx.cmd.opcode = MCD_CMDGETQCHN; 1434 mbx.cmd.length = 0; 1435 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1436 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1437 return error; 1438 1439 *q = mbx.res.data.qchninfo; 1440 return 0; 1441 } 1442 1443 int 1444 mcd_read_subchannel(sc, ch) 1445 struct mcd_softc *sc; 1446 struct ioc_read_subchannel *ch; 1447 { 1448 int len = ch->data_len; 1449 union mcd_qchninfo q; 1450 struct cd_sub_channel_info data; 1451 daddr_t lba; 1452 int error; 1453 1454 if (sc->debug) 1455 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1456 ch->address_format, ch->data_format); 1457 1458 if (len > sizeof(data) || 1459 len < sizeof(struct cd_sub_channel_header)) 1460 return EINVAL; 1461 if (ch->address_format != CD_MSF_FORMAT && 1462 ch->address_format != CD_LBA_FORMAT) 1463 return EINVAL; 1464 if (ch->data_format != CD_CURRENT_POSITION && 1465 ch->data_format != CD_MEDIA_CATALOG) 1466 return EINVAL; 1467 1468 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1469 return error; 1470 1471 data.header.audio_status = sc->audio_status; 1472 data.what.media_catalog.data_format = ch->data_format; 1473 1474 switch (ch->data_format) { 1475 case CD_MEDIA_CATALOG: 1476 data.what.media_catalog.mc_valid = 1; 1477 #if 0 1478 data.what.media_catalog.mc_number = 1479 #endif 1480 break; 1481 1482 case CD_CURRENT_POSITION: 1483 data.what.position.track_number = bcd2bin(q.current.trk_no); 1484 data.what.position.index_number = bcd2bin(q.current.idx_no); 1485 switch (ch->address_format) { 1486 case CD_MSF_FORMAT: 1487 data.what.position.reladdr[0] = 0; 1488 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1489 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1490 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1491 data.what.position.absaddr[0] = 0; 1492 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1493 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1494 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1495 break; 1496 case CD_LBA_FORMAT: 1497 lba = msf2hsg(q.current.relative_pos, 1); 1498 /* 1499 * Pre-gap has index number of 0, and decreasing MSF 1500 * address. Must be converted to negative LBA, per 1501 * SCSI spec. 1502 */ 1503 if (data.what.position.index_number == 0x00) 1504 lba = -lba; 1505 data.what.position.reladdr[0] = lba >> 24; 1506 data.what.position.reladdr[1] = lba >> 16; 1507 data.what.position.reladdr[2] = lba >> 8; 1508 data.what.position.reladdr[3] = lba; 1509 lba = msf2hsg(q.current.absolute_pos, 0); 1510 data.what.position.absaddr[0] = lba >> 24; 1511 data.what.position.absaddr[1] = lba >> 16; 1512 data.what.position.absaddr[2] = lba >> 8; 1513 data.what.position.absaddr[3] = lba; 1514 break; 1515 } 1516 break; 1517 } 1518 1519 return copyout(&data, ch->data, len); 1520 } 1521 1522 int 1523 mcd_playtracks(sc, p) 1524 struct mcd_softc *sc; 1525 struct ioc_play_track *p; 1526 { 1527 struct mcd_mbox mbx; 1528 int a = p->start_track; 1529 int z = p->end_track; 1530 int error; 1531 1532 if (sc->debug) 1533 printf("%s: playtracks: from %d:%d to %d:%d\n", 1534 sc->sc_dev.dv_xname, 1535 a, p->start_index, z, p->end_index); 1536 1537 if (a < bcd2bin(sc->volinfo.trk_low) || 1538 a > bcd2bin(sc->volinfo.trk_high) || 1539 a > z || 1540 z < bcd2bin(sc->volinfo.trk_low) || 1541 z > bcd2bin(sc->volinfo.trk_high)) 1542 return EINVAL; 1543 1544 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1545 return error; 1546 1547 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1548 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1549 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1550 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1551 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1552 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1553 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1554 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1555 sc->lastpb = mbx.cmd; 1556 mbx.res.length = 0; 1557 return mcd_send(sc, &mbx, 1); 1558 } 1559 1560 int 1561 mcd_playmsf(sc, p) 1562 struct mcd_softc *sc; 1563 struct ioc_play_msf *p; 1564 { 1565 struct mcd_mbox mbx; 1566 int error; 1567 1568 if (sc->debug) 1569 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1570 sc->sc_dev.dv_xname, 1571 p->start_m, p->start_s, p->start_f, 1572 p->end_m, p->end_s, p->end_f); 1573 1574 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1575 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1576 return EINVAL; 1577 1578 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1579 return error; 1580 1581 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1582 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1583 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1584 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1585 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1586 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1587 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1588 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1589 sc->lastpb = mbx.cmd; 1590 mbx.res.length = 0; 1591 return mcd_send(sc, &mbx, 1); 1592 } 1593 1594 int 1595 mcd_playblocks(sc, p) 1596 struct mcd_softc *sc; 1597 struct ioc_play_blocks *p; 1598 { 1599 struct mcd_mbox mbx; 1600 int error; 1601 1602 if (sc->debug) 1603 printf("%s: playblocks: blkno %d length %d\n", 1604 sc->sc_dev.dv_xname, p->blk, p->len); 1605 1606 if (p->blk > sc->disksize || p->len > sc->disksize || 1607 (p->blk + p->len) > sc->disksize) 1608 return 0; 1609 1610 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1611 return error; 1612 1613 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1614 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1615 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1616 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1617 sc->lastpb = mbx.cmd; 1618 mbx.res.length = 0; 1619 return mcd_send(sc, &mbx, 1); 1620 } 1621 1622 int 1623 mcd_pause(sc) 1624 struct mcd_softc *sc; 1625 { 1626 union mcd_qchninfo q; 1627 int error; 1628 1629 /* Verify current status. */ 1630 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1631 printf("%s: pause: attempted when not playing\n", 1632 sc->sc_dev.dv_xname); 1633 return EINVAL; 1634 } 1635 1636 /* Get the current position. */ 1637 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1638 return error; 1639 1640 /* Copy it into lastpb. */ 1641 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1642 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1643 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1644 1645 /* Stop playing. */ 1646 if ((error = mcd_stop(sc)) != 0) 1647 return error; 1648 1649 /* Set the proper status and exit. */ 1650 sc->audio_status = CD_AS_PLAY_PAUSED; 1651 return 0; 1652 } 1653 1654 int 1655 mcd_resume(sc) 1656 struct mcd_softc *sc; 1657 { 1658 struct mcd_mbox mbx; 1659 int error; 1660 1661 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1662 return EINVAL; 1663 1664 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1665 return error; 1666 1667 mbx.cmd = sc->lastpb; 1668 mbx.res.length = 0; 1669 return mcd_send(sc, &mbx, 1); 1670 } 1671 1672 int 1673 mcd_eject(sc) 1674 struct mcd_softc *sc; 1675 { 1676 struct mcd_mbox mbx; 1677 1678 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1679 mbx.cmd.length = 0; 1680 mbx.res.length = 0; 1681 return mcd_send(sc, &mbx, 0); 1682 } 1683 1684 int 1685 mcd_setlock(sc, mode) 1686 struct mcd_softc *sc; 1687 int mode; 1688 { 1689 struct mcd_mbox mbx; 1690 1691 mbx.cmd.opcode = MCD_CMDSETLOCK; 1692 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1693 mbx.cmd.data.lockmode.mode = mode; 1694 mbx.res.length = 0; 1695 return mcd_send(sc, &mbx, 1); 1696 } 1697
Indexes created Tue Sep 30 07:10:03 GMT 2025