mcd.c revision 1.45
1 /* $NetBSD: mcd.c,v 1.45 1996/01/30 18:28:05 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: /* FALLTHROUGH */ 621 case DIOCEJECT: 622 return mcd_eject(sc); 623 case CDIOCALLOW: 624 return mcd_setlock(sc, MCD_LK_UNLOCK); 625 case CDIOCPREVENT: 626 return mcd_setlock(sc, MCD_LK_LOCK); 627 case DIOCLOCK: 628 return mcd_setlock(sc, 629 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 630 case CDIOCSETDEBUG: 631 sc->debug = 1; 632 return 0; 633 case CDIOCCLRDEBUG: 634 sc->debug = 0; 635 return 0; 636 case CDIOCRESET: 637 return mcd_hard_reset(sc); 638 639 default: 640 return ENOTTY; 641 } 642 643 #ifdef DIAGNOSTIC 644 panic("mcdioctl: impossible"); 645 #endif 646 } 647 648 /* 649 * This could have been taken from scsi/cd.c, but it is not clear 650 * whether the scsi cd driver is linked in. 651 */ 652 void 653 mcdgetdisklabel(sc) 654 struct mcd_softc *sc; 655 { 656 struct disklabel *lp = sc->sc_dk.dk_label; 657 658 bzero(lp, sizeof(struct disklabel)); 659 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 660 661 lp->d_secsize = sc->blksize; 662 lp->d_ntracks = 1; 663 lp->d_nsectors = 100; 664 lp->d_ncylinders = (sc->disksize / 100) + 1; 665 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 666 667 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 668 lp->d_type = 0; /* XXX */ 669 strncpy(lp->d_packname, "fictitious", 16); 670 lp->d_secperunit = sc->disksize; 671 lp->d_rpm = 300; 672 lp->d_interleave = 1; 673 lp->d_flags = D_REMOVABLE; 674 675 lp->d_partitions[0].p_offset = 0; 676 lp->d_partitions[0].p_size = 677 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 678 lp->d_partitions[0].p_fstype = FS_ISO9660; 679 lp->d_partitions[RAW_PART].p_offset = 0; 680 lp->d_partitions[RAW_PART].p_size = 681 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 682 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 683 lp->d_npartitions = RAW_PART + 1; 684 685 lp->d_magic = DISKMAGIC; 686 lp->d_magic2 = DISKMAGIC; 687 lp->d_checksum = dkcksum(lp); 688 } 689 690 int 691 mcd_get_parms(sc) 692 struct mcd_softc *sc; 693 { 694 struct mcd_mbox mbx; 695 daddr_t size; 696 int error; 697 698 /* Send volume info command. */ 699 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 700 mbx.cmd.length = 0; 701 mbx.res.length = sizeof(mbx.res.data.volinfo); 702 if ((error = mcd_send(sc, &mbx, 1)) != 0) 703 return error; 704 705 if (mbx.res.data.volinfo.trk_low == 0x00 && 706 mbx.res.data.volinfo.trk_high == 0x00) 707 return EINVAL; 708 709 /* Volinfo is OK. */ 710 sc->volinfo = mbx.res.data.volinfo; 711 sc->blksize = MCD_BLKSIZE_COOKED; 712 size = msf2hsg(sc->volinfo.vol_msf, 0); 713 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 714 return 0; 715 } 716 717 int 718 mcdsize(dev) 719 dev_t dev; 720 { 721 722 /* CD-ROMs are read-only. */ 723 return -1; 724 } 725 726 int 727 mcddump(dev, blkno, va, size) 728 dev_t dev; 729 daddr_t blkno; 730 caddr_t va; 731 size_t size; 732 { 733 734 /* Not implemented. */ 735 return ENXIO; 736 } 737 738 int 739 mcdprobe(parent, match, aux) 740 struct device *parent; 741 void *match, *aux; 742 { 743 struct mcd_softc *sc = match; 744 struct isa_attach_args *ia = aux; 745 int iobase = ia->ia_iobase; 746 int i; 747 struct mcd_mbox mbx; 748 749 sc->iobase = iobase; 750 751 /* Send a reset. */ 752 outb(iobase + MCD_RESET, 0); 753 delay(1000000); 754 /* Get any pending status and throw away. */ 755 for (i = 10; i; i--) 756 inb(iobase + MCD_STATUS); 757 delay(1000); 758 759 /* Send get status command. */ 760 mbx.cmd.opcode = MCD_CMDGETSTAT; 761 mbx.cmd.length = 0; 762 mbx.res.length = 0; 763 if (mcd_send(sc, &mbx, 0) != 0) 764 return 0; 765 766 /* Get info about the drive. */ 767 mbx.cmd.opcode = MCD_CMDCONTINFO; 768 mbx.cmd.length = 0; 769 mbx.res.length = sizeof(mbx.res.data.continfo); 770 if (mcd_send(sc, &mbx, 0) != 0) 771 return 0; 772 773 /* 774 * The following is code which is not guaranteed to work for all 775 * drives, because the meaning of the expected 'M' is not clear 776 * (M_itsumi is an obvious assumption, but I don't trust that). 777 * Also, the original hack had a bogus condition that always 778 * returned true. 779 * 780 * Note: Which models support interrupts? >=LU005S? 781 */ 782 sc->readcmd = MCD_CMDREADSINGLESPEED; 783 switch (mbx.res.data.continfo.code) { 784 case 'M': 785 if (mbx.res.data.continfo.version <= 2) 786 sc->type = "LU002S"; 787 else if (mbx.res.data.continfo.version <= 5) 788 sc->type = "LU005S"; 789 else 790 sc->type = "LU006S"; 791 break; 792 case 'F': 793 sc->type = "FX001"; 794 break; 795 case 'D': 796 sc->type = "FX001D"; 797 sc->readcmd = MCD_CMDREADDOUBLESPEED; 798 break; 799 default: 800 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 801 sc->sc_dev.dv_xname, 802 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 803 sc->type = 0; 804 break; 805 } 806 807 ia->ia_iosize = 4; 808 ia->ia_msize = 0; 809 return 1; 810 } 811 812 int 813 mcd_getreply(sc) 814 struct mcd_softc *sc; 815 { 816 int iobase = sc->iobase; 817 int i; 818 819 /* Wait until xfer port senses data ready. */ 820 for (i = DELAY_GETREPLY; i; i--) { 821 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 822 break; 823 delay(DELAY_GRANULARITY); 824 } 825 if (!i) 826 return -1; 827 828 /* Get the data. */ 829 return inb(iobase + MCD_STATUS); 830 } 831 832 int 833 mcd_getstat(sc) 834 struct mcd_softc *sc; 835 { 836 struct mcd_mbox mbx; 837 838 mbx.cmd.opcode = MCD_CMDGETSTAT; 839 mbx.cmd.length = 0; 840 mbx.res.length = 0; 841 return mcd_send(sc, &mbx, 1); 842 } 843 844 int 845 mcd_getresult(sc, res) 846 struct mcd_softc *sc; 847 struct mcd_result *res; 848 { 849 int i, x; 850 851 if (sc->debug) 852 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 853 res->length); 854 855 if ((x = mcd_getreply(sc)) < 0) { 856 if (sc->debug) 857 printf(" timeout\n"); 858 else 859 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 860 return EIO; 861 } 862 if (sc->debug) 863 printf(" %02x", (u_int)x); 864 sc->status = x; 865 mcd_setflags(sc); 866 867 if ((sc->status & MCD_ST_CMDCHECK) != 0) 868 return EINVAL; 869 870 for (i = 0; i < res->length; i++) { 871 if ((x = mcd_getreply(sc)) < 0) { 872 if (sc->debug) 873 printf(" timeout\n"); 874 else 875 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 876 return EIO; 877 } 878 if (sc->debug) 879 printf(" %02x", (u_int)x); 880 res->data.raw.data[i] = x; 881 } 882 883 if (sc->debug) 884 printf(" succeeded\n"); 885 886 #ifdef MCDDEBUG 887 delay(10); 888 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 889 x = inb(sc->iobase + MCD_STATUS); 890 printf("%s: got extra byte %02x during getstatus\n", 891 sc->sc_dev.dv_xname, (u_int)x); 892 delay(10); 893 } 894 #endif 895 896 return 0; 897 } 898 899 void 900 mcd_setflags(sc) 901 struct mcd_softc *sc; 902 { 903 904 /* Check flags. */ 905 if ((sc->flags & MCDF_LOADED) != 0 && 906 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 907 MCD_ST_DSKIN) { 908 if ((sc->status & MCD_ST_DOOROPEN) != 0) 909 printf("%s: door open\n", sc->sc_dev.dv_xname); 910 else if ((sc->status & MCD_ST_DSKIN) == 0) 911 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 912 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 913 printf("%s: media change\n", sc->sc_dev.dv_xname); 914 sc->flags &= ~MCDF_LOADED; 915 } 916 917 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 918 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 919 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 920 sc->audio_status == CD_AS_AUDIO_INVALID) 921 sc->audio_status = CD_AS_PLAY_COMPLETED; 922 } 923 924 int 925 mcd_send(sc, mbx, diskin) 926 struct mcd_softc *sc; 927 struct mcd_mbox *mbx; 928 int diskin; 929 { 930 int iobase = sc->iobase; 931 int retry, i, error; 932 933 if (sc->debug) { 934 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 935 mbx->cmd.length, (u_int)mbx->cmd.opcode); 936 for (i = 0; i < mbx->cmd.length; i++) 937 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 938 printf("\n"); 939 } 940 941 for (retry = MCD_RETRIES; retry; retry--) { 942 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 943 for (i = 0; i < mbx->cmd.length; i++) 944 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 945 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 946 break; 947 if (error == EINVAL) 948 return error; 949 } 950 if (!retry) 951 return error; 952 if (diskin && (sc->flags & MCDF_LOADED) == 0) 953 return EIO; 954 955 return 0; 956 } 957 958 static int 959 bcd2bin(b) 960 bcd_t b; 961 { 962 963 return (b >> 4) * 10 + (b & 15); 964 } 965 966 static bcd_t 967 bin2bcd(b) 968 int b; 969 { 970 971 return ((b / 10) << 4) | (b % 10); 972 } 973 974 static void 975 hsg2msf(hsg, msf) 976 int hsg; 977 bcd_t *msf; 978 { 979 980 hsg += 150; 981 F_msf(msf) = bin2bcd(hsg % 75); 982 hsg /= 75; 983 S_msf(msf) = bin2bcd(hsg % 60); 984 hsg /= 60; 985 M_msf(msf) = bin2bcd(hsg); 986 } 987 988 static daddr_t 989 msf2hsg(msf, relative) 990 bcd_t *msf; 991 int relative; 992 { 993 daddr_t blkno; 994 995 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 996 bcd2bin(S_msf(msf)) * 75 + 997 bcd2bin(F_msf(msf)); 998 if (!relative) 999 blkno -= 150; 1000 return blkno; 1001 } 1002 1003 void 1004 mcd_pseudointr(sc) 1005 struct mcd_softc *sc; 1006 { 1007 int s; 1008 1009 s = splbio(); 1010 (void) mcdintr(sc); 1011 splx(s); 1012 } 1013 1014 /* 1015 * State machine to process read requests. 1016 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1017 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1018 * MCD_S_WAITREAD: wait for read ready, read data. 1019 */ 1020 int 1021 mcdintr(arg) 1022 void *arg; 1023 { 1024 struct mcd_softc *sc = arg; 1025 struct mcd_mbx *mbx = &sc->mbx; 1026 int iobase = sc->iobase; 1027 struct buf *bp = mbx->bp; 1028 1029 int i; 1030 u_char x; 1031 bcd_t msf[3]; 1032 1033 switch (mbx->state) { 1034 case MCD_S_IDLE: 1035 return 0; 1036 1037 case MCD_S_BEGIN: 1038 tryagain: 1039 if (mbx->mode == sc->lastmode) 1040 goto firstblock; 1041 1042 sc->lastmode = MCD_MD_UNKNOWN; 1043 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1044 outb(iobase + MCD_COMMAND, mbx->mode); 1045 1046 mbx->count = RDELAY_WAITMODE; 1047 mbx->state = MCD_S_WAITMODE; 1048 1049 case MCD_S_WAITMODE: 1050 untimeout(mcd_pseudointr, sc); 1051 for (i = 20; i; i--) { 1052 x = inb(iobase + MCD_XFER); 1053 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1054 break; 1055 delay(50); 1056 } 1057 if (i == 0) 1058 goto hold; 1059 sc->status = inb(iobase + MCD_STATUS); 1060 mcd_setflags(sc); 1061 if ((sc->flags & MCDF_LOADED) == 0) 1062 goto changed; 1063 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1064 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1065 1066 sc->lastmode = mbx->mode; 1067 1068 firstblock: 1069 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1070 bp, 0, 0); 1071 1072 /* Build parameter block. */ 1073 hsg2msf(mbx->blkno, msf); 1074 1075 /* Send the read command. */ 1076 outb(iobase + MCD_COMMAND, sc->readcmd); 1077 outb(iobase + MCD_COMMAND, msf[0]); 1078 outb(iobase + MCD_COMMAND, msf[1]); 1079 outb(iobase + MCD_COMMAND, msf[2]); 1080 outb(iobase + MCD_COMMAND, 0); 1081 outb(iobase + MCD_COMMAND, 0); 1082 outb(iobase + MCD_COMMAND, mbx->nblk); 1083 1084 mbx->count = RDELAY_WAITREAD; 1085 mbx->state = MCD_S_WAITREAD; 1086 1087 case MCD_S_WAITREAD: 1088 untimeout(mcd_pseudointr, sc); 1089 nextblock: 1090 loop: 1091 for (i = 20; i; i--) { 1092 x = inb(iobase + MCD_XFER); 1093 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1094 goto gotblock; 1095 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1096 break; 1097 delay(50); 1098 } 1099 if (i == 0) 1100 goto hold; 1101 sc->status = inb(iobase + MCD_STATUS); 1102 mcd_setflags(sc); 1103 if ((sc->flags & MCDF_LOADED) == 0) 1104 goto changed; 1105 #if 0 1106 printf("%s: got status byte %02x during read\n", 1107 sc->sc_dev.dv_xname, (u_int)sc->status); 1108 #endif 1109 goto loop; 1110 1111 gotblock: 1112 MCD_TRACE("doread: got data delay=%d\n", 1113 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1114 1115 /* Data is ready. */ 1116 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1117 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1118 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1119 mbx->blkno += 1; 1120 mbx->skip += mbx->sz; 1121 if (--mbx->nblk > 0) 1122 goto nextblock; 1123 1124 mbx->state = MCD_S_IDLE; 1125 1126 /* Return buffer. */ 1127 bp->b_resid = 0; 1128 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1129 biodone(bp); 1130 1131 mcdstart(sc); 1132 return 1; 1133 1134 hold: 1135 if (mbx->count-- < 0) { 1136 printf("%s: timeout in state %d", 1137 sc->sc_dev.dv_xname, mbx->state); 1138 goto readerr; 1139 } 1140 1141 #if 0 1142 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1143 mbx->state); 1144 #endif 1145 timeout(mcd_pseudointr, sc, hz / 100); 1146 return -1; 1147 } 1148 1149 readerr: 1150 if (mbx->retry-- > 0) { 1151 printf("; retrying\n"); 1152 goto tryagain; 1153 } else 1154 printf("; giving up\n"); 1155 1156 changed: 1157 harderr: 1158 /* Invalidate the buffer. */ 1159 bp->b_flags |= B_ERROR; 1160 bp->b_resid = bp->b_bcount - mbx->skip; 1161 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1162 biodone(bp); 1163 1164 mcdstart(sc); 1165 return -1; 1166 1167 #ifdef notyet 1168 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1169 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1170 delay(300000); 1171 (void) mcd_getstat(sc, 1); 1172 (void) mcd_getstat(sc, 1); 1173 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1174 sc->debug = 1; /* preventive set debug mode */ 1175 #endif 1176 } 1177 1178 void 1179 mcd_soft_reset(sc) 1180 struct mcd_softc *sc; 1181 { 1182 1183 sc->debug = 0; 1184 sc->flags = 0; 1185 sc->lastmode = MCD_MD_UNKNOWN; 1186 sc->lastupc = MCD_UPC_UNKNOWN; 1187 sc->audio_status = CD_AS_AUDIO_INVALID; 1188 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1189 } 1190 1191 int 1192 mcd_hard_reset(sc) 1193 struct mcd_softc *sc; 1194 { 1195 struct mcd_mbox mbx; 1196 1197 mcd_soft_reset(sc); 1198 1199 mbx.cmd.opcode = MCD_CMDRESET; 1200 mbx.cmd.length = 0; 1201 mbx.res.length = 0; 1202 return mcd_send(sc, &mbx, 0); 1203 } 1204 1205 int 1206 mcd_setmode(sc, mode) 1207 struct mcd_softc *sc; 1208 int mode; 1209 { 1210 struct mcd_mbox mbx; 1211 int error; 1212 1213 if (sc->lastmode == mode) 1214 return 0; 1215 if (sc->debug) 1216 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1217 sc->lastmode = MCD_MD_UNKNOWN; 1218 1219 mbx.cmd.opcode = MCD_CMDSETMODE; 1220 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1221 mbx.cmd.data.datamode.mode = mode; 1222 mbx.res.length = 0; 1223 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1224 return error; 1225 1226 sc->lastmode = mode; 1227 return 0; 1228 } 1229 1230 int 1231 mcd_setupc(sc, upc) 1232 struct mcd_softc *sc; 1233 int upc; 1234 { 1235 struct mcd_mbox mbx; 1236 int error; 1237 1238 if (sc->lastupc == upc) 1239 return 0; 1240 if (sc->debug) 1241 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1242 sc->lastupc = MCD_UPC_UNKNOWN; 1243 1244 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1245 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1246 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1247 mbx.cmd.data.config.data1 = upc; 1248 mbx.res.length = 0; 1249 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1250 return error; 1251 1252 sc->lastupc = upc; 1253 return 0; 1254 } 1255 1256 int 1257 mcd_toc_header(sc, th) 1258 struct mcd_softc *sc; 1259 struct ioc_toc_header *th; 1260 { 1261 1262 if (sc->debug) 1263 printf("%s: mcd_toc_header: reading toc header\n", 1264 sc->sc_dev.dv_xname); 1265 1266 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1267 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1268 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1269 1270 return 0; 1271 } 1272 1273 int 1274 mcd_read_toc(sc) 1275 struct mcd_softc *sc; 1276 { 1277 struct ioc_toc_header th; 1278 union mcd_qchninfo q; 1279 int error, trk, idx, retry; 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 /* Inform the drive that we're finished so it turns off the light. */ 1308 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1309 return error; 1310 1311 if (trk != 0) 1312 return EINVAL; 1313 1314 /* Add a fake last+1 for mcd_playtracks(). */ 1315 idx = th.ending_track + 1; 1316 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1317 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1318 sc->toc[idx].toc.trk_no = 0x00; 1319 sc->toc[idx].toc.idx_no = 0xaa; 1320 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1321 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1322 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1323 1324 return 0; 1325 } 1326 1327 int 1328 mcd_toc_entries(sc, te) 1329 struct mcd_softc *sc; 1330 struct ioc_read_toc_entry *te; 1331 { 1332 int len = te->data_len; 1333 struct ret_toc { 1334 struct ioc_toc_header header; 1335 struct cd_toc_entry entries[MCD_MAXTOCS]; 1336 } data; 1337 u_char trk; 1338 daddr_t lba; 1339 int error, n; 1340 1341 if (len > sizeof(data.entries) || 1342 len < sizeof(struct cd_toc_entry)) 1343 return EINVAL; 1344 if (te->address_format != CD_MSF_FORMAT && 1345 te->address_format != CD_LBA_FORMAT) 1346 return EINVAL; 1347 1348 /* Copy the TOC header. */ 1349 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1350 return error; 1351 1352 /* Verify starting track. */ 1353 trk = te->starting_track; 1354 if (trk == 0x00) 1355 trk = data.header.starting_track; 1356 else if (trk == 0xaa) 1357 trk = data.header.ending_track + 1; 1358 else if (trk < data.header.starting_track || 1359 trk > data.header.ending_track + 1) 1360 return EINVAL; 1361 1362 /* Copy the TOC data. */ 1363 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1364 if (sc->toc[trk].toc.idx_no == 0x00) 1365 continue; 1366 data.entries[n].control = sc->toc[trk].toc.control; 1367 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1368 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1369 switch (te->address_format) { 1370 case CD_MSF_FORMAT: 1371 data.entries[n].addr[0] = 0; 1372 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1373 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1374 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1375 break; 1376 case CD_LBA_FORMAT: 1377 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1378 data.entries[n].addr[0] = lba >> 24; 1379 data.entries[n].addr[1] = lba >> 16; 1380 data.entries[n].addr[2] = lba >> 8; 1381 data.entries[n].addr[3] = lba; 1382 break; 1383 } 1384 n++; 1385 } 1386 1387 len = min(len, n * sizeof(struct cd_toc_entry)); 1388 1389 /* Copy the data back. */ 1390 return copyout(&data.entries[0], te->data, len); 1391 } 1392 1393 int 1394 mcd_stop(sc) 1395 struct mcd_softc *sc; 1396 { 1397 struct mcd_mbox mbx; 1398 int error; 1399 1400 if (sc->debug) 1401 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1402 1403 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1404 mbx.cmd.length = 0; 1405 mbx.res.length = 0; 1406 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1407 return error; 1408 1409 sc->audio_status = CD_AS_PLAY_COMPLETED; 1410 return 0; 1411 } 1412 1413 int 1414 mcd_getqchan(sc, q, qchn) 1415 struct mcd_softc *sc; 1416 union mcd_qchninfo *q; 1417 int qchn; 1418 { 1419 struct mcd_mbox mbx; 1420 int error; 1421 1422 if (qchn == CD_TRACK_INFO) { 1423 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1424 return error; 1425 } else { 1426 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1427 return error; 1428 } 1429 if (qchn == CD_MEDIA_CATALOG) { 1430 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1431 return error; 1432 } else { 1433 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1434 return error; 1435 } 1436 1437 mbx.cmd.opcode = MCD_CMDGETQCHN; 1438 mbx.cmd.length = 0; 1439 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1440 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1441 return error; 1442 1443 *q = mbx.res.data.qchninfo; 1444 return 0; 1445 } 1446 1447 int 1448 mcd_read_subchannel(sc, ch) 1449 struct mcd_softc *sc; 1450 struct ioc_read_subchannel *ch; 1451 { 1452 int len = ch->data_len; 1453 union mcd_qchninfo q; 1454 struct cd_sub_channel_info data; 1455 daddr_t lba; 1456 int error; 1457 1458 if (sc->debug) 1459 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1460 ch->address_format, ch->data_format); 1461 1462 if (len > sizeof(data) || 1463 len < sizeof(struct cd_sub_channel_header)) 1464 return EINVAL; 1465 if (ch->address_format != CD_MSF_FORMAT && 1466 ch->address_format != CD_LBA_FORMAT) 1467 return EINVAL; 1468 if (ch->data_format != CD_CURRENT_POSITION && 1469 ch->data_format != CD_MEDIA_CATALOG) 1470 return EINVAL; 1471 1472 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1473 return error; 1474 1475 data.header.audio_status = sc->audio_status; 1476 data.what.media_catalog.data_format = ch->data_format; 1477 1478 switch (ch->data_format) { 1479 case CD_MEDIA_CATALOG: 1480 data.what.media_catalog.mc_valid = 1; 1481 #if 0 1482 data.what.media_catalog.mc_number = 1483 #endif 1484 break; 1485 1486 case CD_CURRENT_POSITION: 1487 data.what.position.track_number = bcd2bin(q.current.trk_no); 1488 data.what.position.index_number = bcd2bin(q.current.idx_no); 1489 switch (ch->address_format) { 1490 case CD_MSF_FORMAT: 1491 data.what.position.reladdr[0] = 0; 1492 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1493 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1494 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1495 data.what.position.absaddr[0] = 0; 1496 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1497 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1498 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1499 break; 1500 case CD_LBA_FORMAT: 1501 lba = msf2hsg(q.current.relative_pos, 1); 1502 /* 1503 * Pre-gap has index number of 0, and decreasing MSF 1504 * address. Must be converted to negative LBA, per 1505 * SCSI spec. 1506 */ 1507 if (data.what.position.index_number == 0x00) 1508 lba = -lba; 1509 data.what.position.reladdr[0] = lba >> 24; 1510 data.what.position.reladdr[1] = lba >> 16; 1511 data.what.position.reladdr[2] = lba >> 8; 1512 data.what.position.reladdr[3] = lba; 1513 lba = msf2hsg(q.current.absolute_pos, 0); 1514 data.what.position.absaddr[0] = lba >> 24; 1515 data.what.position.absaddr[1] = lba >> 16; 1516 data.what.position.absaddr[2] = lba >> 8; 1517 data.what.position.absaddr[3] = lba; 1518 break; 1519 } 1520 break; 1521 } 1522 1523 return copyout(&data, ch->data, len); 1524 } 1525 1526 int 1527 mcd_playtracks(sc, p) 1528 struct mcd_softc *sc; 1529 struct ioc_play_track *p; 1530 { 1531 struct mcd_mbox mbx; 1532 int a = p->start_track; 1533 int z = p->end_track; 1534 int error; 1535 1536 if (sc->debug) 1537 printf("%s: playtracks: from %d:%d to %d:%d\n", 1538 sc->sc_dev.dv_xname, 1539 a, p->start_index, z, p->end_index); 1540 1541 if (a < bcd2bin(sc->volinfo.trk_low) || 1542 a > bcd2bin(sc->volinfo.trk_high) || 1543 a > z || 1544 z < bcd2bin(sc->volinfo.trk_low) || 1545 z > bcd2bin(sc->volinfo.trk_high)) 1546 return EINVAL; 1547 1548 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1549 return error; 1550 1551 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1552 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1553 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1554 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1555 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1556 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1557 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1558 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1559 sc->lastpb = mbx.cmd; 1560 mbx.res.length = 0; 1561 return mcd_send(sc, &mbx, 1); 1562 } 1563 1564 int 1565 mcd_playmsf(sc, p) 1566 struct mcd_softc *sc; 1567 struct ioc_play_msf *p; 1568 { 1569 struct mcd_mbox mbx; 1570 int error; 1571 1572 if (sc->debug) 1573 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1574 sc->sc_dev.dv_xname, 1575 p->start_m, p->start_s, p->start_f, 1576 p->end_m, p->end_s, p->end_f); 1577 1578 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1579 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1580 return EINVAL; 1581 1582 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1583 return error; 1584 1585 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1586 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1587 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1588 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1589 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1590 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1591 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1592 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1593 sc->lastpb = mbx.cmd; 1594 mbx.res.length = 0; 1595 return mcd_send(sc, &mbx, 1); 1596 } 1597 1598 int 1599 mcd_playblocks(sc, p) 1600 struct mcd_softc *sc; 1601 struct ioc_play_blocks *p; 1602 { 1603 struct mcd_mbox mbx; 1604 int error; 1605 1606 if (sc->debug) 1607 printf("%s: playblocks: blkno %d length %d\n", 1608 sc->sc_dev.dv_xname, p->blk, p->len); 1609 1610 if (p->blk > sc->disksize || p->len > sc->disksize || 1611 (p->blk + p->len) > sc->disksize) 1612 return 0; 1613 1614 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1615 return error; 1616 1617 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1618 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1619 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1620 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1621 sc->lastpb = mbx.cmd; 1622 mbx.res.length = 0; 1623 return mcd_send(sc, &mbx, 1); 1624 } 1625 1626 int 1627 mcd_pause(sc) 1628 struct mcd_softc *sc; 1629 { 1630 union mcd_qchninfo q; 1631 int error; 1632 1633 /* Verify current status. */ 1634 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1635 printf("%s: pause: attempted when not playing\n", 1636 sc->sc_dev.dv_xname); 1637 return EINVAL; 1638 } 1639 1640 /* Get the current position. */ 1641 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1642 return error; 1643 1644 /* Copy it into lastpb. */ 1645 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1646 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1647 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1648 1649 /* Stop playing. */ 1650 if ((error = mcd_stop(sc)) != 0) 1651 return error; 1652 1653 /* Set the proper status and exit. */ 1654 sc->audio_status = CD_AS_PLAY_PAUSED; 1655 return 0; 1656 } 1657 1658 int 1659 mcd_resume(sc) 1660 struct mcd_softc *sc; 1661 { 1662 struct mcd_mbox mbx; 1663 int error; 1664 1665 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1666 return EINVAL; 1667 1668 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1669 return error; 1670 1671 mbx.cmd = sc->lastpb; 1672 mbx.res.length = 0; 1673 return mcd_send(sc, &mbx, 1); 1674 } 1675 1676 int 1677 mcd_eject(sc) 1678 struct mcd_softc *sc; 1679 { 1680 struct mcd_mbox mbx; 1681 1682 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1683 mbx.cmd.length = 0; 1684 mbx.res.length = 0; 1685 return mcd_send(sc, &mbx, 0); 1686 } 1687 1688 int 1689 mcd_setlock(sc, mode) 1690 struct mcd_softc *sc; 1691 int mode; 1692 { 1693 struct mcd_mbox mbx; 1694 1695 mbx.cmd.opcode = MCD_CMDSETLOCK; 1696 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1697 mbx.cmd.data.lockmode.mode = mode; 1698 mbx.res.length = 0; 1699 return mcd_send(sc, &mbx, 1); 1700 } 1701
Indexes created Tue Sep 30 07:10:03 GMT 2025