mcd.c revision 1.46
1 /* $NetBSD: mcd.c,v 1.46 1996/03/17 00:53:44 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 cfattach mcd_ca = { 181 sizeof(struct mcd_softc), mcdprobe, mcdattach 182 }; 183 184 struct cfdriver mcd_cd = { 185 NULL, "mcd", DV_DISK 186 }; 187 188 void mcdgetdisklabel __P((struct mcd_softc *)); 189 int mcd_get_parms __P((struct mcd_softc *)); 190 void mcdstrategy __P((struct buf *)); 191 void mcdstart __P((struct mcd_softc *)); 192 193 struct dkdriver mcddkdriver = { mcdstrategy }; 194 195 #define MCD_RETRIES 3 196 #define MCD_RDRETRIES 3 197 198 /* several delays */ 199 #define RDELAY_WAITMODE 300 200 #define RDELAY_WAITREAD 800 201 202 #define DELAY_GRANULARITY 25 /* 25us */ 203 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 204 205 void 206 mcdattach(parent, self, aux) 207 struct device *parent, *self; 208 void *aux; 209 { 210 struct mcd_softc *sc = (void *)self; 211 struct isa_attach_args *ia = aux; 212 struct mcd_mbox mbx; 213 214 /* 215 * Initialize and attach the disk structure. 216 */ 217 sc->sc_dk.dk_driver = &mcddkdriver; 218 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 219 disk_attach(&sc->sc_dk); 220 221 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 222 223 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 224 225 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 226 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 227 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 228 mbx.cmd.data.config.data1 = 0x01; 229 mbx.res.length = 0; 230 (void) mcd_send(sc, &mbx, 0); 231 232 mcd_soft_reset(sc); 233 234 sc->sc_ih = isa_intr_establish(ia->ia_irq, IST_EDGE, IPL_BIO, mcdintr, 235 sc); 236 } 237 238 /* 239 * Wait interruptibly for an exclusive lock. 240 * 241 * XXX 242 * Several drivers do this; it should be abstracted and made MP-safe. 243 */ 244 int 245 mcdlock(sc) 246 struct mcd_softc *sc; 247 { 248 int error; 249 250 while ((sc->flags & MCDF_LOCKED) != 0) { 251 sc->flags |= MCDF_WANTED; 252 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 253 return error; 254 } 255 sc->flags |= MCDF_LOCKED; 256 return 0; 257 } 258 259 /* 260 * Unlock and wake up any waiters. 261 */ 262 void 263 mcdunlock(sc) 264 struct mcd_softc *sc; 265 { 266 267 sc->flags &= ~MCDF_LOCKED; 268 if ((sc->flags & MCDF_WANTED) != 0) { 269 sc->flags &= ~MCDF_WANTED; 270 wakeup(sc); 271 } 272 } 273 274 int 275 mcdopen(dev, flag, fmt, p) 276 dev_t dev; 277 int flag, fmt; 278 struct proc *p; 279 { 280 int error; 281 int unit, part; 282 struct mcd_softc *sc; 283 284 unit = MCDUNIT(dev); 285 if (unit >= mcd_cd.cd_ndevs) 286 return ENXIO; 287 sc = mcd_cd.cd_devs[unit]; 288 if (!sc) 289 return ENXIO; 290 291 if (error = mcdlock(sc)) 292 return error; 293 294 if (sc->sc_dk.dk_openmask != 0) { 295 /* 296 * If any partition is open, but the disk has been invalidated, 297 * disallow further opens. 298 */ 299 if ((sc->flags & MCDF_LOADED) == 0) { 300 error = EIO; 301 goto bad3; 302 } 303 } else { 304 /* 305 * Lock the drawer. This will also notice any pending disk 306 * change or door open indicator and clear the MCDF_LOADED bit 307 * if necessary. 308 */ 309 (void) mcd_setlock(sc, MCD_LK_LOCK); 310 311 if ((sc->flags & MCDF_LOADED) == 0) { 312 /* Partially reset the state. */ 313 sc->lastmode = MCD_MD_UNKNOWN; 314 sc->lastupc = MCD_UPC_UNKNOWN; 315 316 sc->flags |= MCDF_LOADED; 317 318 /* Set the mode, causing the disk to spin up. */ 319 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 320 goto bad2; 321 322 /* Load the physical device parameters. */ 323 if (mcd_get_parms(sc) != 0) { 324 error = ENXIO; 325 goto bad2; 326 } 327 328 /* Read the table of contents. */ 329 if ((error = mcd_read_toc(sc)) != 0) 330 goto bad2; 331 332 /* Fabricate a disk label. */ 333 mcdgetdisklabel(sc); 334 } 335 } 336 337 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 338 sc->disksize, sc->blksize, 0); 339 340 part = MCDPART(dev); 341 342 /* Check that the partition exists. */ 343 if (part != RAW_PART && 344 (part >= sc->sc_dk.dk_label->d_npartitions || 345 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 346 error = ENXIO; 347 goto bad; 348 } 349 350 /* Insure only one open at a time. */ 351 switch (fmt) { 352 case S_IFCHR: 353 sc->sc_dk.dk_copenmask |= (1 << part); 354 break; 355 case S_IFBLK: 356 sc->sc_dk.dk_bopenmask |= (1 << part); 357 break; 358 } 359 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 360 361 mcdunlock(sc); 362 return 0; 363 364 bad2: 365 sc->flags &= ~MCDF_LOADED; 366 367 bad: 368 if (sc->sc_dk.dk_openmask == 0) { 369 #if 0 370 (void) mcd_setmode(sc, MCD_MD_SLEEP); 371 #endif 372 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 373 } 374 375 bad3: 376 mcdunlock(sc); 377 return error; 378 } 379 380 int 381 mcdclose(dev, flag, fmt) 382 dev_t dev; 383 int flag, fmt; 384 { 385 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 386 int part = MCDPART(dev); 387 int error; 388 389 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 390 391 if (error = mcdlock(sc)) 392 return error; 393 394 switch (fmt) { 395 case S_IFCHR: 396 sc->sc_dk.dk_copenmask &= ~(1 << part); 397 break; 398 case S_IFBLK: 399 sc->sc_dk.dk_bopenmask &= ~(1 << part); 400 break; 401 } 402 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 403 404 if (sc->sc_dk.dk_openmask == 0) { 405 /* XXXX Must wait for I/O to complete! */ 406 407 #if 0 408 (void) mcd_setmode(sc, MCD_MD_SLEEP); 409 #endif 410 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 411 } 412 413 mcdunlock(sc); 414 return 0; 415 } 416 417 void 418 mcdstrategy(bp) 419 struct buf *bp; 420 { 421 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 422 int s; 423 424 /* Test validity. */ 425 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 426 bp->b_blkno, bp->b_bcount, 0); 427 if (bp->b_blkno < 0 || 428 (bp->b_bcount % sc->blksize) != 0) { 429 printf("%s: strategy: blkno = %d bcount = %d\n", 430 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 431 bp->b_error = EINVAL; 432 goto bad; 433 } 434 435 /* If device invalidated (e.g. media change, door open), error. */ 436 if ((sc->flags & MCDF_LOADED) == 0) { 437 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 438 bp->b_error = EIO; 439 goto bad; 440 } 441 442 /* No data to read. */ 443 if (bp->b_bcount == 0) 444 goto done; 445 446 /* 447 * Do bounds checking, adjust transfer. if error, process. 448 * If end of partition, just return. 449 */ 450 if (MCDPART(bp->b_dev) != RAW_PART && 451 bounds_check_with_label(bp, sc->sc_dk.dk_label, 452 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 453 goto done; 454 455 /* Queue it. */ 456 s = splbio(); 457 disksort(&sc->buf_queue, bp); 458 splx(s); 459 if (!sc->buf_queue.b_active) 460 mcdstart(sc); 461 return; 462 463 bad: 464 bp->b_flags |= B_ERROR; 465 done: 466 bp->b_resid = bp->b_bcount; 467 biodone(bp); 468 } 469 470 void 471 mcdstart(sc) 472 struct mcd_softc *sc; 473 { 474 struct buf *bp, *dp = &sc->buf_queue; 475 int s; 476 477 loop: 478 s = splbio(); 479 480 bp = dp->b_actf; 481 if (bp == NULL) { 482 /* Nothing to do. */ 483 dp->b_active = 0; 484 splx(s); 485 return; 486 } 487 488 /* Block found to process; dequeue. */ 489 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 490 dp->b_actf = bp->b_actf; 491 splx(s); 492 493 /* Changed media? */ 494 if ((sc->flags & MCDF_LOADED) == 0) { 495 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 496 bp->b_error = EIO; 497 bp->b_flags |= B_ERROR; 498 biodone(bp); 499 goto loop; 500 } 501 502 dp->b_active = 1; 503 504 /* Instrumentation. */ 505 s = splbio(); 506 disk_busy(&sc->sc_dk); 507 splx(s); 508 509 sc->mbx.retry = MCD_RDRETRIES; 510 sc->mbx.bp = bp; 511 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 512 if (MCDPART(bp->b_dev) != RAW_PART) { 513 struct partition *p; 514 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 515 sc->mbx.blkno += p->p_offset; 516 } 517 sc->mbx.nblk = bp->b_bcount / sc->blksize; 518 sc->mbx.sz = sc->blksize; 519 sc->mbx.skip = 0; 520 sc->mbx.state = MCD_S_BEGIN; 521 sc->mbx.mode = MCD_MD_COOKED; 522 523 s = splbio(); 524 (void) mcdintr(sc); 525 splx(s); 526 } 527 528 int 529 mcdread(dev, uio) 530 dev_t dev; 531 struct uio *uio; 532 { 533 534 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 535 } 536 537 int 538 mcdwrite(dev, uio) 539 dev_t dev; 540 struct uio *uio; 541 { 542 543 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 544 } 545 546 int 547 mcdioctl(dev, cmd, addr, flag, p) 548 dev_t dev; 549 u_long cmd; 550 caddr_t addr; 551 int flag; 552 struct proc *p; 553 { 554 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 555 int error; 556 557 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 558 559 if ((sc->flags & MCDF_LOADED) == 0) 560 return EIO; 561 562 switch (cmd) { 563 case DIOCGDINFO: 564 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 565 return 0; 566 567 case DIOCGPART: 568 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 569 ((struct partinfo *)addr)->part = 570 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 571 return 0; 572 573 case DIOCWDINFO: 574 case DIOCSDINFO: 575 if ((flag & FWRITE) == 0) 576 return EBADF; 577 578 if (error = mcdlock(sc)) 579 return error; 580 sc->flags |= MCDF_LABELLING; 581 582 error = setdisklabel(sc->sc_dk.dk_label, 583 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 584 sc->sc_dk.dk_cpulabel); 585 if (error == 0) { 586 } 587 588 sc->flags &= ~MCDF_LABELLING; 589 mcdunlock(sc); 590 return error; 591 592 case DIOCWLABEL: 593 return EBADF; 594 595 case CDIOCPLAYTRACKS: 596 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 597 case CDIOCPLAYMSF: 598 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 599 case CDIOCPLAYBLOCKS: 600 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 601 case CDIOCREADSUBCHANNEL: 602 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 603 case CDIOREADTOCHEADER: 604 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 605 case CDIOREADTOCENTRYS: 606 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 607 case CDIOCSETPATCH: 608 case CDIOCGETVOL: 609 case CDIOCSETVOL: 610 case CDIOCSETMONO: 611 case CDIOCSETSTEREO: 612 case CDIOCSETMUTE: 613 case CDIOCSETLEFT: 614 case CDIOCSETRIGHT: 615 return EINVAL; 616 case CDIOCRESUME: 617 return mcd_resume(sc); 618 case CDIOCPAUSE: 619 return mcd_pause(sc); 620 case CDIOCSTART: 621 return EINVAL; 622 case CDIOCSTOP: 623 return mcd_stop(sc); 624 case CDIOCEJECT: /* FALLTHROUGH */ 625 case DIOCEJECT: 626 return mcd_eject(sc); 627 case CDIOCALLOW: 628 return mcd_setlock(sc, MCD_LK_UNLOCK); 629 case CDIOCPREVENT: 630 return mcd_setlock(sc, MCD_LK_LOCK); 631 case DIOCLOCK: 632 return mcd_setlock(sc, 633 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 634 case CDIOCSETDEBUG: 635 sc->debug = 1; 636 return 0; 637 case CDIOCCLRDEBUG: 638 sc->debug = 0; 639 return 0; 640 case CDIOCRESET: 641 return mcd_hard_reset(sc); 642 643 default: 644 return ENOTTY; 645 } 646 647 #ifdef DIAGNOSTIC 648 panic("mcdioctl: impossible"); 649 #endif 650 } 651 652 /* 653 * This could have been taken from scsi/cd.c, but it is not clear 654 * whether the scsi cd driver is linked in. 655 */ 656 void 657 mcdgetdisklabel(sc) 658 struct mcd_softc *sc; 659 { 660 struct disklabel *lp = sc->sc_dk.dk_label; 661 662 bzero(lp, sizeof(struct disklabel)); 663 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 664 665 lp->d_secsize = sc->blksize; 666 lp->d_ntracks = 1; 667 lp->d_nsectors = 100; 668 lp->d_ncylinders = (sc->disksize / 100) + 1; 669 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 670 671 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 672 lp->d_type = 0; /* XXX */ 673 strncpy(lp->d_packname, "fictitious", 16); 674 lp->d_secperunit = sc->disksize; 675 lp->d_rpm = 300; 676 lp->d_interleave = 1; 677 lp->d_flags = D_REMOVABLE; 678 679 lp->d_partitions[0].p_offset = 0; 680 lp->d_partitions[0].p_size = 681 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 682 lp->d_partitions[0].p_fstype = FS_ISO9660; 683 lp->d_partitions[RAW_PART].p_offset = 0; 684 lp->d_partitions[RAW_PART].p_size = 685 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 686 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 687 lp->d_npartitions = RAW_PART + 1; 688 689 lp->d_magic = DISKMAGIC; 690 lp->d_magic2 = DISKMAGIC; 691 lp->d_checksum = dkcksum(lp); 692 } 693 694 int 695 mcd_get_parms(sc) 696 struct mcd_softc *sc; 697 { 698 struct mcd_mbox mbx; 699 daddr_t size; 700 int error; 701 702 /* Send volume info command. */ 703 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 704 mbx.cmd.length = 0; 705 mbx.res.length = sizeof(mbx.res.data.volinfo); 706 if ((error = mcd_send(sc, &mbx, 1)) != 0) 707 return error; 708 709 if (mbx.res.data.volinfo.trk_low == 0x00 && 710 mbx.res.data.volinfo.trk_high == 0x00) 711 return EINVAL; 712 713 /* Volinfo is OK. */ 714 sc->volinfo = mbx.res.data.volinfo; 715 sc->blksize = MCD_BLKSIZE_COOKED; 716 size = msf2hsg(sc->volinfo.vol_msf, 0); 717 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 718 return 0; 719 } 720 721 int 722 mcdsize(dev) 723 dev_t dev; 724 { 725 726 /* CD-ROMs are read-only. */ 727 return -1; 728 } 729 730 int 731 mcddump(dev, blkno, va, size) 732 dev_t dev; 733 daddr_t blkno; 734 caddr_t va; 735 size_t size; 736 { 737 738 /* Not implemented. */ 739 return ENXIO; 740 } 741 742 int 743 mcdprobe(parent, match, aux) 744 struct device *parent; 745 void *match, *aux; 746 { 747 struct mcd_softc *sc = match; 748 struct isa_attach_args *ia = aux; 749 int iobase = ia->ia_iobase; 750 int i; 751 struct mcd_mbox mbx; 752 753 sc->iobase = iobase; 754 755 /* Send a reset. */ 756 outb(iobase + MCD_RESET, 0); 757 delay(1000000); 758 /* Get any pending status and throw away. */ 759 for (i = 10; i; i--) 760 inb(iobase + MCD_STATUS); 761 delay(1000); 762 763 /* Send get status command. */ 764 mbx.cmd.opcode = MCD_CMDGETSTAT; 765 mbx.cmd.length = 0; 766 mbx.res.length = 0; 767 if (mcd_send(sc, &mbx, 0) != 0) 768 return 0; 769 770 /* Get info about the drive. */ 771 mbx.cmd.opcode = MCD_CMDCONTINFO; 772 mbx.cmd.length = 0; 773 mbx.res.length = sizeof(mbx.res.data.continfo); 774 if (mcd_send(sc, &mbx, 0) != 0) 775 return 0; 776 777 /* 778 * The following is code which is not guaranteed to work for all 779 * drives, because the meaning of the expected 'M' is not clear 780 * (M_itsumi is an obvious assumption, but I don't trust that). 781 * Also, the original hack had a bogus condition that always 782 * returned true. 783 * 784 * Note: Which models support interrupts? >=LU005S? 785 */ 786 sc->readcmd = MCD_CMDREADSINGLESPEED; 787 switch (mbx.res.data.continfo.code) { 788 case 'M': 789 if (mbx.res.data.continfo.version <= 2) 790 sc->type = "LU002S"; 791 else if (mbx.res.data.continfo.version <= 5) 792 sc->type = "LU005S"; 793 else 794 sc->type = "LU006S"; 795 break; 796 case 'F': 797 sc->type = "FX001"; 798 break; 799 case 'D': 800 sc->type = "FX001D"; 801 sc->readcmd = MCD_CMDREADDOUBLESPEED; 802 break; 803 default: 804 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 805 sc->sc_dev.dv_xname, 806 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 807 sc->type = 0; 808 break; 809 } 810 811 ia->ia_iosize = 4; 812 ia->ia_msize = 0; 813 return 1; 814 } 815 816 int 817 mcd_getreply(sc) 818 struct mcd_softc *sc; 819 { 820 int iobase = sc->iobase; 821 int i; 822 823 /* Wait until xfer port senses data ready. */ 824 for (i = DELAY_GETREPLY; i; i--) { 825 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 826 break; 827 delay(DELAY_GRANULARITY); 828 } 829 if (!i) 830 return -1; 831 832 /* Get the data. */ 833 return inb(iobase + MCD_STATUS); 834 } 835 836 int 837 mcd_getstat(sc) 838 struct mcd_softc *sc; 839 { 840 struct mcd_mbox mbx; 841 842 mbx.cmd.opcode = MCD_CMDGETSTAT; 843 mbx.cmd.length = 0; 844 mbx.res.length = 0; 845 return mcd_send(sc, &mbx, 1); 846 } 847 848 int 849 mcd_getresult(sc, res) 850 struct mcd_softc *sc; 851 struct mcd_result *res; 852 { 853 int i, x; 854 855 if (sc->debug) 856 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 857 res->length); 858 859 if ((x = mcd_getreply(sc)) < 0) { 860 if (sc->debug) 861 printf(" timeout\n"); 862 else 863 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 864 return EIO; 865 } 866 if (sc->debug) 867 printf(" %02x", (u_int)x); 868 sc->status = x; 869 mcd_setflags(sc); 870 871 if ((sc->status & MCD_ST_CMDCHECK) != 0) 872 return EINVAL; 873 874 for (i = 0; i < res->length; i++) { 875 if ((x = mcd_getreply(sc)) < 0) { 876 if (sc->debug) 877 printf(" timeout\n"); 878 else 879 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 880 return EIO; 881 } 882 if (sc->debug) 883 printf(" %02x", (u_int)x); 884 res->data.raw.data[i] = x; 885 } 886 887 if (sc->debug) 888 printf(" succeeded\n"); 889 890 #ifdef MCDDEBUG 891 delay(10); 892 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 893 x = inb(sc->iobase + MCD_STATUS); 894 printf("%s: got extra byte %02x during getstatus\n", 895 sc->sc_dev.dv_xname, (u_int)x); 896 delay(10); 897 } 898 #endif 899 900 return 0; 901 } 902 903 void 904 mcd_setflags(sc) 905 struct mcd_softc *sc; 906 { 907 908 /* Check flags. */ 909 if ((sc->flags & MCDF_LOADED) != 0 && 910 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 911 MCD_ST_DSKIN) { 912 if ((sc->status & MCD_ST_DOOROPEN) != 0) 913 printf("%s: door open\n", sc->sc_dev.dv_xname); 914 else if ((sc->status & MCD_ST_DSKIN) == 0) 915 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 916 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 917 printf("%s: media change\n", sc->sc_dev.dv_xname); 918 sc->flags &= ~MCDF_LOADED; 919 } 920 921 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 922 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 923 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 924 sc->audio_status == CD_AS_AUDIO_INVALID) 925 sc->audio_status = CD_AS_PLAY_COMPLETED; 926 } 927 928 int 929 mcd_send(sc, mbx, diskin) 930 struct mcd_softc *sc; 931 struct mcd_mbox *mbx; 932 int diskin; 933 { 934 int iobase = sc->iobase; 935 int retry, i, error; 936 937 if (sc->debug) { 938 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 939 mbx->cmd.length, (u_int)mbx->cmd.opcode); 940 for (i = 0; i < mbx->cmd.length; i++) 941 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 942 printf("\n"); 943 } 944 945 for (retry = MCD_RETRIES; retry; retry--) { 946 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 947 for (i = 0; i < mbx->cmd.length; i++) 948 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 949 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 950 break; 951 if (error == EINVAL) 952 return error; 953 } 954 if (!retry) 955 return error; 956 if (diskin && (sc->flags & MCDF_LOADED) == 0) 957 return EIO; 958 959 return 0; 960 } 961 962 static int 963 bcd2bin(b) 964 bcd_t b; 965 { 966 967 return (b >> 4) * 10 + (b & 15); 968 } 969 970 static bcd_t 971 bin2bcd(b) 972 int b; 973 { 974 975 return ((b / 10) << 4) | (b % 10); 976 } 977 978 static void 979 hsg2msf(hsg, msf) 980 int hsg; 981 bcd_t *msf; 982 { 983 984 hsg += 150; 985 F_msf(msf) = bin2bcd(hsg % 75); 986 hsg /= 75; 987 S_msf(msf) = bin2bcd(hsg % 60); 988 hsg /= 60; 989 M_msf(msf) = bin2bcd(hsg); 990 } 991 992 static daddr_t 993 msf2hsg(msf, relative) 994 bcd_t *msf; 995 int relative; 996 { 997 daddr_t blkno; 998 999 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1000 bcd2bin(S_msf(msf)) * 75 + 1001 bcd2bin(F_msf(msf)); 1002 if (!relative) 1003 blkno -= 150; 1004 return blkno; 1005 } 1006 1007 void 1008 mcd_pseudointr(sc) 1009 struct mcd_softc *sc; 1010 { 1011 int s; 1012 1013 s = splbio(); 1014 (void) mcdintr(sc); 1015 splx(s); 1016 } 1017 1018 /* 1019 * State machine to process read requests. 1020 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1021 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1022 * MCD_S_WAITREAD: wait for read ready, read data. 1023 */ 1024 int 1025 mcdintr(arg) 1026 void *arg; 1027 { 1028 struct mcd_softc *sc = arg; 1029 struct mcd_mbx *mbx = &sc->mbx; 1030 int iobase = sc->iobase; 1031 struct buf *bp = mbx->bp; 1032 1033 int i; 1034 u_char x; 1035 bcd_t msf[3]; 1036 1037 switch (mbx->state) { 1038 case MCD_S_IDLE: 1039 return 0; 1040 1041 case MCD_S_BEGIN: 1042 tryagain: 1043 if (mbx->mode == sc->lastmode) 1044 goto firstblock; 1045 1046 sc->lastmode = MCD_MD_UNKNOWN; 1047 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1048 outb(iobase + MCD_COMMAND, mbx->mode); 1049 1050 mbx->count = RDELAY_WAITMODE; 1051 mbx->state = MCD_S_WAITMODE; 1052 1053 case MCD_S_WAITMODE: 1054 untimeout(mcd_pseudointr, sc); 1055 for (i = 20; i; i--) { 1056 x = inb(iobase + MCD_XFER); 1057 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1058 break; 1059 delay(50); 1060 } 1061 if (i == 0) 1062 goto hold; 1063 sc->status = inb(iobase + MCD_STATUS); 1064 mcd_setflags(sc); 1065 if ((sc->flags & MCDF_LOADED) == 0) 1066 goto changed; 1067 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1068 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1069 1070 sc->lastmode = mbx->mode; 1071 1072 firstblock: 1073 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1074 bp, 0, 0); 1075 1076 /* Build parameter block. */ 1077 hsg2msf(mbx->blkno, msf); 1078 1079 /* Send the read command. */ 1080 outb(iobase + MCD_COMMAND, sc->readcmd); 1081 outb(iobase + MCD_COMMAND, msf[0]); 1082 outb(iobase + MCD_COMMAND, msf[1]); 1083 outb(iobase + MCD_COMMAND, msf[2]); 1084 outb(iobase + MCD_COMMAND, 0); 1085 outb(iobase + MCD_COMMAND, 0); 1086 outb(iobase + MCD_COMMAND, mbx->nblk); 1087 1088 mbx->count = RDELAY_WAITREAD; 1089 mbx->state = MCD_S_WAITREAD; 1090 1091 case MCD_S_WAITREAD: 1092 untimeout(mcd_pseudointr, sc); 1093 nextblock: 1094 loop: 1095 for (i = 20; i; i--) { 1096 x = inb(iobase + MCD_XFER); 1097 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1098 goto gotblock; 1099 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1100 break; 1101 delay(50); 1102 } 1103 if (i == 0) 1104 goto hold; 1105 sc->status = inb(iobase + MCD_STATUS); 1106 mcd_setflags(sc); 1107 if ((sc->flags & MCDF_LOADED) == 0) 1108 goto changed; 1109 #if 0 1110 printf("%s: got status byte %02x during read\n", 1111 sc->sc_dev.dv_xname, (u_int)sc->status); 1112 #endif 1113 goto loop; 1114 1115 gotblock: 1116 MCD_TRACE("doread: got data delay=%d\n", 1117 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1118 1119 /* Data is ready. */ 1120 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1121 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1122 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1123 mbx->blkno += 1; 1124 mbx->skip += mbx->sz; 1125 if (--mbx->nblk > 0) 1126 goto nextblock; 1127 1128 mbx->state = MCD_S_IDLE; 1129 1130 /* Return buffer. */ 1131 bp->b_resid = 0; 1132 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1133 biodone(bp); 1134 1135 mcdstart(sc); 1136 return 1; 1137 1138 hold: 1139 if (mbx->count-- < 0) { 1140 printf("%s: timeout in state %d", 1141 sc->sc_dev.dv_xname, mbx->state); 1142 goto readerr; 1143 } 1144 1145 #if 0 1146 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1147 mbx->state); 1148 #endif 1149 timeout(mcd_pseudointr, sc, hz / 100); 1150 return -1; 1151 } 1152 1153 readerr: 1154 if (mbx->retry-- > 0) { 1155 printf("; retrying\n"); 1156 goto tryagain; 1157 } else 1158 printf("; giving up\n"); 1159 1160 changed: 1161 harderr: 1162 /* Invalidate the buffer. */ 1163 bp->b_flags |= B_ERROR; 1164 bp->b_resid = bp->b_bcount - mbx->skip; 1165 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1166 biodone(bp); 1167 1168 mcdstart(sc); 1169 return -1; 1170 1171 #ifdef notyet 1172 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1173 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1174 delay(300000); 1175 (void) mcd_getstat(sc, 1); 1176 (void) mcd_getstat(sc, 1); 1177 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1178 sc->debug = 1; /* preventive set debug mode */ 1179 #endif 1180 } 1181 1182 void 1183 mcd_soft_reset(sc) 1184 struct mcd_softc *sc; 1185 { 1186 1187 sc->debug = 0; 1188 sc->flags = 0; 1189 sc->lastmode = MCD_MD_UNKNOWN; 1190 sc->lastupc = MCD_UPC_UNKNOWN; 1191 sc->audio_status = CD_AS_AUDIO_INVALID; 1192 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1193 } 1194 1195 int 1196 mcd_hard_reset(sc) 1197 struct mcd_softc *sc; 1198 { 1199 struct mcd_mbox mbx; 1200 1201 mcd_soft_reset(sc); 1202 1203 mbx.cmd.opcode = MCD_CMDRESET; 1204 mbx.cmd.length = 0; 1205 mbx.res.length = 0; 1206 return mcd_send(sc, &mbx, 0); 1207 } 1208 1209 int 1210 mcd_setmode(sc, mode) 1211 struct mcd_softc *sc; 1212 int mode; 1213 { 1214 struct mcd_mbox mbx; 1215 int error; 1216 1217 if (sc->lastmode == mode) 1218 return 0; 1219 if (sc->debug) 1220 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1221 sc->lastmode = MCD_MD_UNKNOWN; 1222 1223 mbx.cmd.opcode = MCD_CMDSETMODE; 1224 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1225 mbx.cmd.data.datamode.mode = mode; 1226 mbx.res.length = 0; 1227 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1228 return error; 1229 1230 sc->lastmode = mode; 1231 return 0; 1232 } 1233 1234 int 1235 mcd_setupc(sc, upc) 1236 struct mcd_softc *sc; 1237 int upc; 1238 { 1239 struct mcd_mbox mbx; 1240 int error; 1241 1242 if (sc->lastupc == upc) 1243 return 0; 1244 if (sc->debug) 1245 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1246 sc->lastupc = MCD_UPC_UNKNOWN; 1247 1248 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1249 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1250 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1251 mbx.cmd.data.config.data1 = upc; 1252 mbx.res.length = 0; 1253 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1254 return error; 1255 1256 sc->lastupc = upc; 1257 return 0; 1258 } 1259 1260 int 1261 mcd_toc_header(sc, th) 1262 struct mcd_softc *sc; 1263 struct ioc_toc_header *th; 1264 { 1265 1266 if (sc->debug) 1267 printf("%s: mcd_toc_header: reading toc header\n", 1268 sc->sc_dev.dv_xname); 1269 1270 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1271 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1272 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1273 1274 return 0; 1275 } 1276 1277 int 1278 mcd_read_toc(sc) 1279 struct mcd_softc *sc; 1280 { 1281 struct ioc_toc_header th; 1282 union mcd_qchninfo q; 1283 int error, trk, idx, retry; 1284 1285 if ((error = mcd_toc_header(sc, &th)) != 0) 1286 return error; 1287 1288 if ((error = mcd_stop(sc)) != 0) 1289 return error; 1290 1291 if (sc->debug) 1292 printf("%s: read_toc: reading qchannel info\n", 1293 sc->sc_dev.dv_xname); 1294 1295 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1296 sc->toc[trk].toc.idx_no = 0x00; 1297 trk = th.ending_track - th.starting_track + 1; 1298 for (retry = 300; retry && trk > 0; retry--) { 1299 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1300 break; 1301 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1302 continue; 1303 idx = bcd2bin(q.toc.idx_no); 1304 if (idx < MCD_MAXTOCS && 1305 sc->toc[idx].toc.idx_no == 0x00) { 1306 sc->toc[idx] = q; 1307 trk--; 1308 } 1309 } 1310 1311 /* Inform the drive that we're finished so it turns off the light. */ 1312 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1313 return error; 1314 1315 if (trk != 0) 1316 return EINVAL; 1317 1318 /* Add a fake last+1 for mcd_playtracks(). */ 1319 idx = th.ending_track + 1; 1320 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1321 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1322 sc->toc[idx].toc.trk_no = 0x00; 1323 sc->toc[idx].toc.idx_no = 0xaa; 1324 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1325 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1326 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1327 1328 return 0; 1329 } 1330 1331 int 1332 mcd_toc_entries(sc, te) 1333 struct mcd_softc *sc; 1334 struct ioc_read_toc_entry *te; 1335 { 1336 int len = te->data_len; 1337 struct ret_toc { 1338 struct ioc_toc_header header; 1339 struct cd_toc_entry entries[MCD_MAXTOCS]; 1340 } data; 1341 u_char trk; 1342 daddr_t lba; 1343 int error, n; 1344 1345 if (len > sizeof(data.entries) || 1346 len < sizeof(struct cd_toc_entry)) 1347 return EINVAL; 1348 if (te->address_format != CD_MSF_FORMAT && 1349 te->address_format != CD_LBA_FORMAT) 1350 return EINVAL; 1351 1352 /* Copy the TOC header. */ 1353 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1354 return error; 1355 1356 /* Verify starting track. */ 1357 trk = te->starting_track; 1358 if (trk == 0x00) 1359 trk = data.header.starting_track; 1360 else if (trk == 0xaa) 1361 trk = data.header.ending_track + 1; 1362 else if (trk < data.header.starting_track || 1363 trk > data.header.ending_track + 1) 1364 return EINVAL; 1365 1366 /* Copy the TOC data. */ 1367 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1368 if (sc->toc[trk].toc.idx_no == 0x00) 1369 continue; 1370 data.entries[n].control = sc->toc[trk].toc.control; 1371 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1372 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1373 switch (te->address_format) { 1374 case CD_MSF_FORMAT: 1375 data.entries[n].addr[0] = 0; 1376 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1377 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1378 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1379 break; 1380 case CD_LBA_FORMAT: 1381 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1382 data.entries[n].addr[0] = lba >> 24; 1383 data.entries[n].addr[1] = lba >> 16; 1384 data.entries[n].addr[2] = lba >> 8; 1385 data.entries[n].addr[3] = lba; 1386 break; 1387 } 1388 n++; 1389 } 1390 1391 len = min(len, n * sizeof(struct cd_toc_entry)); 1392 1393 /* Copy the data back. */ 1394 return copyout(&data.entries[0], te->data, len); 1395 } 1396 1397 int 1398 mcd_stop(sc) 1399 struct mcd_softc *sc; 1400 { 1401 struct mcd_mbox mbx; 1402 int error; 1403 1404 if (sc->debug) 1405 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1406 1407 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1408 mbx.cmd.length = 0; 1409 mbx.res.length = 0; 1410 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1411 return error; 1412 1413 sc->audio_status = CD_AS_PLAY_COMPLETED; 1414 return 0; 1415 } 1416 1417 int 1418 mcd_getqchan(sc, q, qchn) 1419 struct mcd_softc *sc; 1420 union mcd_qchninfo *q; 1421 int qchn; 1422 { 1423 struct mcd_mbox mbx; 1424 int error; 1425 1426 if (qchn == CD_TRACK_INFO) { 1427 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1428 return error; 1429 } else { 1430 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1431 return error; 1432 } 1433 if (qchn == CD_MEDIA_CATALOG) { 1434 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1435 return error; 1436 } else { 1437 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1438 return error; 1439 } 1440 1441 mbx.cmd.opcode = MCD_CMDGETQCHN; 1442 mbx.cmd.length = 0; 1443 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1444 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1445 return error; 1446 1447 *q = mbx.res.data.qchninfo; 1448 return 0; 1449 } 1450 1451 int 1452 mcd_read_subchannel(sc, ch) 1453 struct mcd_softc *sc; 1454 struct ioc_read_subchannel *ch; 1455 { 1456 int len = ch->data_len; 1457 union mcd_qchninfo q; 1458 struct cd_sub_channel_info data; 1459 daddr_t lba; 1460 int error; 1461 1462 if (sc->debug) 1463 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1464 ch->address_format, ch->data_format); 1465 1466 if (len > sizeof(data) || 1467 len < sizeof(struct cd_sub_channel_header)) 1468 return EINVAL; 1469 if (ch->address_format != CD_MSF_FORMAT && 1470 ch->address_format != CD_LBA_FORMAT) 1471 return EINVAL; 1472 if (ch->data_format != CD_CURRENT_POSITION && 1473 ch->data_format != CD_MEDIA_CATALOG) 1474 return EINVAL; 1475 1476 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1477 return error; 1478 1479 data.header.audio_status = sc->audio_status; 1480 data.what.media_catalog.data_format = ch->data_format; 1481 1482 switch (ch->data_format) { 1483 case CD_MEDIA_CATALOG: 1484 data.what.media_catalog.mc_valid = 1; 1485 #if 0 1486 data.what.media_catalog.mc_number = 1487 #endif 1488 break; 1489 1490 case CD_CURRENT_POSITION: 1491 data.what.position.track_number = bcd2bin(q.current.trk_no); 1492 data.what.position.index_number = bcd2bin(q.current.idx_no); 1493 switch (ch->address_format) { 1494 case CD_MSF_FORMAT: 1495 data.what.position.reladdr[0] = 0; 1496 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1497 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1498 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1499 data.what.position.absaddr[0] = 0; 1500 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1501 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1502 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1503 break; 1504 case CD_LBA_FORMAT: 1505 lba = msf2hsg(q.current.relative_pos, 1); 1506 /* 1507 * Pre-gap has index number of 0, and decreasing MSF 1508 * address. Must be converted to negative LBA, per 1509 * SCSI spec. 1510 */ 1511 if (data.what.position.index_number == 0x00) 1512 lba = -lba; 1513 data.what.position.reladdr[0] = lba >> 24; 1514 data.what.position.reladdr[1] = lba >> 16; 1515 data.what.position.reladdr[2] = lba >> 8; 1516 data.what.position.reladdr[3] = lba; 1517 lba = msf2hsg(q.current.absolute_pos, 0); 1518 data.what.position.absaddr[0] = lba >> 24; 1519 data.what.position.absaddr[1] = lba >> 16; 1520 data.what.position.absaddr[2] = lba >> 8; 1521 data.what.position.absaddr[3] = lba; 1522 break; 1523 } 1524 break; 1525 } 1526 1527 return copyout(&data, ch->data, len); 1528 } 1529 1530 int 1531 mcd_playtracks(sc, p) 1532 struct mcd_softc *sc; 1533 struct ioc_play_track *p; 1534 { 1535 struct mcd_mbox mbx; 1536 int a = p->start_track; 1537 int z = p->end_track; 1538 int 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_CMDREADSINGLESPEED; 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 (sc->debug) 1577 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1578 sc->sc_dev.dv_xname, 1579 p->start_m, p->start_s, p->start_f, 1580 p->end_m, p->end_s, p->end_f); 1581 1582 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1583 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1584 return EINVAL; 1585 1586 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1587 return error; 1588 1589 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1590 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1591 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1592 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1593 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1594 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1595 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1596 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1597 sc->lastpb = mbx.cmd; 1598 mbx.res.length = 0; 1599 return mcd_send(sc, &mbx, 1); 1600 } 1601 1602 int 1603 mcd_playblocks(sc, p) 1604 struct mcd_softc *sc; 1605 struct ioc_play_blocks *p; 1606 { 1607 struct mcd_mbox mbx; 1608 int error; 1609 1610 if (sc->debug) 1611 printf("%s: playblocks: blkno %d length %d\n", 1612 sc->sc_dev.dv_xname, p->blk, p->len); 1613 1614 if (p->blk > sc->disksize || p->len > sc->disksize || 1615 (p->blk + p->len) > sc->disksize) 1616 return 0; 1617 1618 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1619 return error; 1620 1621 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1622 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1623 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1624 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1625 sc->lastpb = mbx.cmd; 1626 mbx.res.length = 0; 1627 return mcd_send(sc, &mbx, 1); 1628 } 1629 1630 int 1631 mcd_pause(sc) 1632 struct mcd_softc *sc; 1633 { 1634 union mcd_qchninfo q; 1635 int error; 1636 1637 /* Verify current status. */ 1638 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1639 printf("%s: pause: attempted when not playing\n", 1640 sc->sc_dev.dv_xname); 1641 return EINVAL; 1642 } 1643 1644 /* Get the current position. */ 1645 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1646 return error; 1647 1648 /* Copy it into lastpb. */ 1649 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1650 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1651 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1652 1653 /* Stop playing. */ 1654 if ((error = mcd_stop(sc)) != 0) 1655 return error; 1656 1657 /* Set the proper status and exit. */ 1658 sc->audio_status = CD_AS_PLAY_PAUSED; 1659 return 0; 1660 } 1661 1662 int 1663 mcd_resume(sc) 1664 struct mcd_softc *sc; 1665 { 1666 struct mcd_mbox mbx; 1667 int error; 1668 1669 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1670 return EINVAL; 1671 1672 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1673 return error; 1674 1675 mbx.cmd = sc->lastpb; 1676 mbx.res.length = 0; 1677 return mcd_send(sc, &mbx, 1); 1678 } 1679 1680 int 1681 mcd_eject(sc) 1682 struct mcd_softc *sc; 1683 { 1684 struct mcd_mbox mbx; 1685 1686 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1687 mbx.cmd.length = 0; 1688 mbx.res.length = 0; 1689 return mcd_send(sc, &mbx, 0); 1690 } 1691 1692 int 1693 mcd_setlock(sc, mode) 1694 struct mcd_softc *sc; 1695 int mode; 1696 { 1697 struct mcd_mbox mbx; 1698 1699 mbx.cmd.opcode = MCD_CMDSETLOCK; 1700 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1701 mbx.cmd.data.lockmode.mode = mode; 1702 mbx.res.length = 0; 1703 return mcd_send(sc, &mbx, 1); 1704 } 1705
Indexes created Tue Sep 30 07:10:03 GMT 2025