mcd.c revision 1.51
1 /* $NetBSD: mcd.c,v 1.51 1996/10/13 01:37:56 christos 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/intr.h> 77 #include <machine/pio.h> 78 79 #include <dev/isa/isavar.h> 80 #include <dev/isa/mcdreg.h> 81 82 #ifndef MCDDEBUG 83 #define MCD_TRACE(fmt,a,b,c,d) 84 #else 85 #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);}} 86 #endif 87 88 #define MCDPART(dev) DISKPART(dev) 89 #define MCDUNIT(dev) DISKUNIT(dev) 90 91 /* toc */ 92 #define MCD_MAXTOCS 104 /* from the Linux driver */ 93 94 struct mcd_mbx { 95 int retry, count; 96 struct buf *bp; 97 daddr_t blkno; 98 int nblk; 99 int sz; 100 u_long skip; 101 int state; 102 #define MCD_S_IDLE 0 103 #define MCD_S_BEGIN 1 104 #define MCD_S_WAITMODE 2 105 #define MCD_S_WAITREAD 3 106 int mode; 107 }; 108 109 struct mcd_softc { 110 struct device sc_dev; 111 struct disk sc_dk; 112 void *sc_ih; 113 114 int iobase; 115 int irq, drq; 116 117 char *type; 118 u_char readcmd; 119 int flags; 120 #define MCDF_LOCKED 0x01 121 #define MCDF_WANTED 0x02 122 #define MCDF_WLABEL 0x04 /* label is writable */ 123 #define MCDF_LABELLING 0x08 /* writing label */ 124 #define MCDF_LOADED 0x10 /* parameters loaded */ 125 short status; 126 short audio_status; 127 int blksize; 128 u_long disksize; 129 struct mcd_volinfo volinfo; 130 union mcd_qchninfo toc[MCD_MAXTOCS]; 131 struct mcd_command lastpb; 132 struct mcd_mbx mbx; 133 int lastmode; 134 #define MCD_MD_UNKNOWN -1 135 int lastupc; 136 #define MCD_UPC_UNKNOWN -1 137 int debug; 138 struct buf buf_queue; 139 }; 140 141 /* prototypes */ 142 /* XXX does not belong here */ 143 cdev_decl(mcd); 144 bdev_decl(mcd); 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 int mcdlock __P((struct mcd_softc *)); 193 void mcdunlock __P((struct mcd_softc *)); 194 void mcd_pseudointr __P((void *)); 195 196 struct dkdriver mcddkdriver = { mcdstrategy }; 197 198 #define MCD_RETRIES 3 199 #define MCD_RDRETRIES 3 200 201 /* several delays */ 202 #define RDELAY_WAITMODE 300 203 #define RDELAY_WAITREAD 800 204 205 #define DELAY_GRANULARITY 25 /* 25us */ 206 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 207 208 void 209 mcdattach(parent, self, aux) 210 struct device *parent, *self; 211 void *aux; 212 { 213 struct mcd_softc *sc = (void *)self; 214 struct isa_attach_args *ia = aux; 215 struct mcd_mbox mbx; 216 217 /* 218 * Initialize and attach the disk structure. 219 */ 220 sc->sc_dk.dk_driver = &mcddkdriver; 221 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 222 disk_attach(&sc->sc_dk); 223 224 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 225 226 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 227 228 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 229 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 230 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 231 mbx.cmd.data.config.data1 = 0x01; 232 mbx.res.length = 0; 233 (void) mcd_send(sc, &mbx, 0); 234 235 mcd_soft_reset(sc); 236 237 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 238 IPL_BIO, mcdintr, sc); 239 } 240 241 /* 242 * Wait interruptibly for an exclusive lock. 243 * 244 * XXX 245 * Several drivers do this; it should be abstracted and made MP-safe. 246 */ 247 int 248 mcdlock(sc) 249 struct mcd_softc *sc; 250 { 251 int error; 252 253 while ((sc->flags & MCDF_LOCKED) != 0) { 254 sc->flags |= MCDF_WANTED; 255 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 256 return error; 257 } 258 sc->flags |= MCDF_LOCKED; 259 return 0; 260 } 261 262 /* 263 * Unlock and wake up any waiters. 264 */ 265 void 266 mcdunlock(sc) 267 struct mcd_softc *sc; 268 { 269 270 sc->flags &= ~MCDF_LOCKED; 271 if ((sc->flags & MCDF_WANTED) != 0) { 272 sc->flags &= ~MCDF_WANTED; 273 wakeup(sc); 274 } 275 } 276 277 int 278 mcdopen(dev, flag, fmt, p) 279 dev_t dev; 280 int flag, fmt; 281 struct proc *p; 282 { 283 int error; 284 int unit, part; 285 struct mcd_softc *sc; 286 287 unit = MCDUNIT(dev); 288 if (unit >= mcd_cd.cd_ndevs) 289 return ENXIO; 290 sc = mcd_cd.cd_devs[unit]; 291 if (!sc) 292 return ENXIO; 293 294 if ((error = mcdlock(sc)) != 0) 295 return error; 296 297 if (sc->sc_dk.dk_openmask != 0) { 298 /* 299 * If any partition is open, but the disk has been invalidated, 300 * disallow further opens. 301 */ 302 if ((sc->flags & MCDF_LOADED) == 0) { 303 error = EIO; 304 goto bad3; 305 } 306 } else { 307 /* 308 * Lock the drawer. This will also notice any pending disk 309 * change or door open indicator and clear the MCDF_LOADED bit 310 * if necessary. 311 */ 312 (void) mcd_setlock(sc, MCD_LK_LOCK); 313 314 if ((sc->flags & MCDF_LOADED) == 0) { 315 /* Partially reset the state. */ 316 sc->lastmode = MCD_MD_UNKNOWN; 317 sc->lastupc = MCD_UPC_UNKNOWN; 318 319 sc->flags |= MCDF_LOADED; 320 321 /* Set the mode, causing the disk to spin up. */ 322 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 323 goto bad2; 324 325 /* Load the physical device parameters. */ 326 if (mcd_get_parms(sc) != 0) { 327 error = ENXIO; 328 goto bad2; 329 } 330 331 /* Read the table of contents. */ 332 if ((error = mcd_read_toc(sc)) != 0) 333 goto bad2; 334 335 /* Fabricate a disk label. */ 336 mcdgetdisklabel(sc); 337 } 338 } 339 340 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 341 sc->disksize, sc->blksize, 0); 342 343 part = MCDPART(dev); 344 345 /* Check that the partition exists. */ 346 if (part != RAW_PART && 347 (part >= sc->sc_dk.dk_label->d_npartitions || 348 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 349 error = ENXIO; 350 goto bad; 351 } 352 353 /* Insure only one open at a time. */ 354 switch (fmt) { 355 case S_IFCHR: 356 sc->sc_dk.dk_copenmask |= (1 << part); 357 break; 358 case S_IFBLK: 359 sc->sc_dk.dk_bopenmask |= (1 << part); 360 break; 361 } 362 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 363 364 mcdunlock(sc); 365 return 0; 366 367 bad2: 368 sc->flags &= ~MCDF_LOADED; 369 370 bad: 371 if (sc->sc_dk.dk_openmask == 0) { 372 #if 0 373 (void) mcd_setmode(sc, MCD_MD_SLEEP); 374 #endif 375 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 376 } 377 378 bad3: 379 mcdunlock(sc); 380 return error; 381 } 382 383 int 384 mcdclose(dev, flag, fmt, p) 385 dev_t dev; 386 int flag, fmt; 387 struct proc *p; 388 { 389 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 390 int part = MCDPART(dev); 391 int error; 392 393 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 394 395 if ((error = mcdlock(sc)) != 0) 396 return error; 397 398 switch (fmt) { 399 case S_IFCHR: 400 sc->sc_dk.dk_copenmask &= ~(1 << part); 401 break; 402 case S_IFBLK: 403 sc->sc_dk.dk_bopenmask &= ~(1 << part); 404 break; 405 } 406 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 407 408 if (sc->sc_dk.dk_openmask == 0) { 409 /* XXXX Must wait for I/O to complete! */ 410 411 #if 0 412 (void) mcd_setmode(sc, MCD_MD_SLEEP); 413 #endif 414 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 415 } 416 417 mcdunlock(sc); 418 return 0; 419 } 420 421 void 422 mcdstrategy(bp) 423 struct buf *bp; 424 { 425 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 426 int s; 427 428 /* Test validity. */ 429 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 430 bp->b_blkno, bp->b_bcount, 0); 431 if (bp->b_blkno < 0 || 432 (bp->b_bcount % sc->blksize) != 0) { 433 printf("%s: strategy: blkno = %d bcount = %ld\n", 434 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 435 bp->b_error = EINVAL; 436 goto bad; 437 } 438 439 /* If device invalidated (e.g. media change, door open), error. */ 440 if ((sc->flags & MCDF_LOADED) == 0) { 441 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 442 bp->b_error = EIO; 443 goto bad; 444 } 445 446 /* No data to read. */ 447 if (bp->b_bcount == 0) 448 goto done; 449 450 /* 451 * Do bounds checking, adjust transfer. if error, process. 452 * If end of partition, just return. 453 */ 454 if (MCDPART(bp->b_dev) != RAW_PART && 455 bounds_check_with_label(bp, sc->sc_dk.dk_label, 456 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 457 goto done; 458 459 /* Queue it. */ 460 s = splbio(); 461 disksort(&sc->buf_queue, bp); 462 splx(s); 463 if (!sc->buf_queue.b_active) 464 mcdstart(sc); 465 return; 466 467 bad: 468 bp->b_flags |= B_ERROR; 469 done: 470 bp->b_resid = bp->b_bcount; 471 biodone(bp); 472 } 473 474 void 475 mcdstart(sc) 476 struct mcd_softc *sc; 477 { 478 struct buf *bp, *dp = &sc->buf_queue; 479 int s; 480 481 loop: 482 s = splbio(); 483 484 bp = dp->b_actf; 485 if (bp == NULL) { 486 /* Nothing to do. */ 487 dp->b_active = 0; 488 splx(s); 489 return; 490 } 491 492 /* Block found to process; dequeue. */ 493 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 494 dp->b_actf = bp->b_actf; 495 splx(s); 496 497 /* Changed media? */ 498 if ((sc->flags & MCDF_LOADED) == 0) { 499 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 500 bp->b_error = EIO; 501 bp->b_flags |= B_ERROR; 502 biodone(bp); 503 goto loop; 504 } 505 506 dp->b_active = 1; 507 508 /* Instrumentation. */ 509 s = splbio(); 510 disk_busy(&sc->sc_dk); 511 splx(s); 512 513 sc->mbx.retry = MCD_RDRETRIES; 514 sc->mbx.bp = bp; 515 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 516 if (MCDPART(bp->b_dev) != RAW_PART) { 517 struct partition *p; 518 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 519 sc->mbx.blkno += p->p_offset; 520 } 521 sc->mbx.nblk = bp->b_bcount / sc->blksize; 522 sc->mbx.sz = sc->blksize; 523 sc->mbx.skip = 0; 524 sc->mbx.state = MCD_S_BEGIN; 525 sc->mbx.mode = MCD_MD_COOKED; 526 527 s = splbio(); 528 (void) mcdintr(sc); 529 splx(s); 530 } 531 532 int 533 mcdread(dev, uio, flags) 534 dev_t dev; 535 struct uio *uio; 536 int flags; 537 { 538 539 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 540 } 541 542 int 543 mcdwrite(dev, uio, flags) 544 dev_t dev; 545 struct uio *uio; 546 int flags; 547 { 548 549 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 550 } 551 552 int 553 mcdioctl(dev, cmd, addr, flag, p) 554 dev_t dev; 555 u_long cmd; 556 caddr_t addr; 557 int flag; 558 struct proc *p; 559 { 560 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 561 int error; 562 563 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 564 565 if ((sc->flags & MCDF_LOADED) == 0) 566 return EIO; 567 568 switch (cmd) { 569 case DIOCGDINFO: 570 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 571 return 0; 572 573 case DIOCGPART: 574 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 575 ((struct partinfo *)addr)->part = 576 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 577 return 0; 578 579 case DIOCWDINFO: 580 case DIOCSDINFO: 581 if ((flag & FWRITE) == 0) 582 return EBADF; 583 584 if ((error = mcdlock(sc)) != 0) 585 return error; 586 sc->flags |= MCDF_LABELLING; 587 588 error = setdisklabel(sc->sc_dk.dk_label, 589 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 590 sc->sc_dk.dk_cpulabel); 591 if (error == 0) { 592 } 593 594 sc->flags &= ~MCDF_LABELLING; 595 mcdunlock(sc); 596 return error; 597 598 case DIOCWLABEL: 599 return EBADF; 600 601 case CDIOCPLAYTRACKS: 602 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 603 case CDIOCPLAYMSF: 604 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 605 case CDIOCPLAYBLOCKS: 606 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 607 case CDIOCREADSUBCHANNEL: 608 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 609 case CDIOREADTOCHEADER: 610 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 611 case CDIOREADTOCENTRYS: 612 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 613 case CDIOCSETPATCH: 614 case CDIOCGETVOL: 615 case CDIOCSETVOL: 616 case CDIOCSETMONO: 617 case CDIOCSETSTEREO: 618 case CDIOCSETMUTE: 619 case CDIOCSETLEFT: 620 case CDIOCSETRIGHT: 621 return EINVAL; 622 case CDIOCRESUME: 623 return mcd_resume(sc); 624 case CDIOCPAUSE: 625 return mcd_pause(sc); 626 case CDIOCSTART: 627 return EINVAL; 628 case CDIOCSTOP: 629 return mcd_stop(sc); 630 case CDIOCEJECT: /* FALLTHROUGH */ 631 case DIOCEJECT: 632 return mcd_eject(sc); 633 case CDIOCALLOW: 634 return mcd_setlock(sc, MCD_LK_UNLOCK); 635 case CDIOCPREVENT: 636 return mcd_setlock(sc, MCD_LK_LOCK); 637 case DIOCLOCK: 638 return mcd_setlock(sc, 639 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 640 case CDIOCSETDEBUG: 641 sc->debug = 1; 642 return 0; 643 case CDIOCCLRDEBUG: 644 sc->debug = 0; 645 return 0; 646 case CDIOCRESET: 647 return mcd_hard_reset(sc); 648 649 default: 650 return ENOTTY; 651 } 652 653 #ifdef DIAGNOSTIC 654 panic("mcdioctl: impossible"); 655 #endif 656 } 657 658 /* 659 * This could have been taken from scsi/cd.c, but it is not clear 660 * whether the scsi cd driver is linked in. 661 */ 662 void 663 mcdgetdisklabel(sc) 664 struct mcd_softc *sc; 665 { 666 struct disklabel *lp = sc->sc_dk.dk_label; 667 668 bzero(lp, sizeof(struct disklabel)); 669 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 670 671 lp->d_secsize = sc->blksize; 672 lp->d_ntracks = 1; 673 lp->d_nsectors = 100; 674 lp->d_ncylinders = (sc->disksize / 100) + 1; 675 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 676 677 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 678 lp->d_type = 0; /* XXX */ 679 strncpy(lp->d_packname, "fictitious", 16); 680 lp->d_secperunit = sc->disksize; 681 lp->d_rpm = 300; 682 lp->d_interleave = 1; 683 lp->d_flags = D_REMOVABLE; 684 685 lp->d_partitions[0].p_offset = 0; 686 lp->d_partitions[0].p_size = 687 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 688 lp->d_partitions[0].p_fstype = FS_ISO9660; 689 lp->d_partitions[RAW_PART].p_offset = 0; 690 lp->d_partitions[RAW_PART].p_size = 691 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 692 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 693 lp->d_npartitions = RAW_PART + 1; 694 695 lp->d_magic = DISKMAGIC; 696 lp->d_magic2 = DISKMAGIC; 697 lp->d_checksum = dkcksum(lp); 698 } 699 700 int 701 mcd_get_parms(sc) 702 struct mcd_softc *sc; 703 { 704 struct mcd_mbox mbx; 705 daddr_t size; 706 int error; 707 708 /* Send volume info command. */ 709 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 710 mbx.cmd.length = 0; 711 mbx.res.length = sizeof(mbx.res.data.volinfo); 712 if ((error = mcd_send(sc, &mbx, 1)) != 0) 713 return error; 714 715 if (mbx.res.data.volinfo.trk_low == 0x00 && 716 mbx.res.data.volinfo.trk_high == 0x00) 717 return EINVAL; 718 719 /* Volinfo is OK. */ 720 sc->volinfo = mbx.res.data.volinfo; 721 sc->blksize = MCD_BLKSIZE_COOKED; 722 size = msf2hsg(sc->volinfo.vol_msf, 0); 723 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 724 return 0; 725 } 726 727 int 728 mcdsize(dev) 729 dev_t dev; 730 { 731 732 /* CD-ROMs are read-only. */ 733 return -1; 734 } 735 736 int 737 mcddump(dev, blkno, va, size) 738 dev_t dev; 739 daddr_t blkno; 740 caddr_t va; 741 size_t size; 742 { 743 744 /* Not implemented. */ 745 return ENXIO; 746 } 747 748 int 749 mcdprobe(parent, match, aux) 750 struct device *parent; 751 void *match, *aux; 752 { 753 struct mcd_softc *sc = match; 754 struct isa_attach_args *ia = aux; 755 int iobase = ia->ia_iobase; 756 int i; 757 struct mcd_mbox mbx; 758 759 sc->iobase = iobase; 760 761 /* Send a reset. */ 762 outb(iobase + MCD_RESET, 0); 763 delay(1000000); 764 /* Get any pending status and throw away. */ 765 for (i = 10; i; i--) 766 inb(iobase + MCD_STATUS); 767 delay(1000); 768 769 /* Send get status command. */ 770 mbx.cmd.opcode = MCD_CMDGETSTAT; 771 mbx.cmd.length = 0; 772 mbx.res.length = 0; 773 if (mcd_send(sc, &mbx, 0) != 0) 774 return 0; 775 776 /* Get info about the drive. */ 777 mbx.cmd.opcode = MCD_CMDCONTINFO; 778 mbx.cmd.length = 0; 779 mbx.res.length = sizeof(mbx.res.data.continfo); 780 if (mcd_send(sc, &mbx, 0) != 0) 781 return 0; 782 783 /* 784 * The following is code which is not guaranteed to work for all 785 * drives, because the meaning of the expected 'M' is not clear 786 * (M_itsumi is an obvious assumption, but I don't trust that). 787 * Also, the original hack had a bogus condition that always 788 * returned true. 789 * 790 * Note: Which models support interrupts? >=LU005S? 791 */ 792 sc->readcmd = MCD_CMDREADSINGLESPEED; 793 switch (mbx.res.data.continfo.code) { 794 case 'M': 795 if (mbx.res.data.continfo.version <= 2) 796 sc->type = "LU002S"; 797 else if (mbx.res.data.continfo.version <= 5) 798 sc->type = "LU005S"; 799 else 800 sc->type = "LU006S"; 801 break; 802 case 'F': 803 sc->type = "FX001"; 804 break; 805 case 'D': 806 sc->type = "FX001D"; 807 sc->readcmd = MCD_CMDREADDOUBLESPEED; 808 break; 809 default: 810 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 811 sc->sc_dev.dv_xname, 812 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 813 sc->type = 0; 814 break; 815 } 816 817 ia->ia_iosize = 4; 818 ia->ia_msize = 0; 819 return 1; 820 } 821 822 int 823 mcd_getreply(sc) 824 struct mcd_softc *sc; 825 { 826 int iobase = sc->iobase; 827 int i; 828 829 /* Wait until xfer port senses data ready. */ 830 for (i = DELAY_GETREPLY; i; i--) { 831 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 832 break; 833 delay(DELAY_GRANULARITY); 834 } 835 if (!i) 836 return -1; 837 838 /* Get the data. */ 839 return inb(iobase + MCD_STATUS); 840 } 841 842 int 843 mcd_getstat(sc) 844 struct mcd_softc *sc; 845 { 846 struct mcd_mbox mbx; 847 848 mbx.cmd.opcode = MCD_CMDGETSTAT; 849 mbx.cmd.length = 0; 850 mbx.res.length = 0; 851 return mcd_send(sc, &mbx, 1); 852 } 853 854 int 855 mcd_getresult(sc, res) 856 struct mcd_softc *sc; 857 struct mcd_result *res; 858 { 859 int i, x; 860 861 if (sc->debug) 862 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 863 res->length); 864 865 if ((x = mcd_getreply(sc)) < 0) { 866 if (sc->debug) 867 printf(" timeout\n"); 868 else 869 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 870 return EIO; 871 } 872 if (sc->debug) 873 printf(" %02x", (u_int)x); 874 sc->status = x; 875 mcd_setflags(sc); 876 877 if ((sc->status & MCD_ST_CMDCHECK) != 0) 878 return EINVAL; 879 880 for (i = 0; i < res->length; i++) { 881 if ((x = mcd_getreply(sc)) < 0) { 882 if (sc->debug) 883 printf(" timeout\n"); 884 else 885 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 886 return EIO; 887 } 888 if (sc->debug) 889 printf(" %02x", (u_int)x); 890 res->data.raw.data[i] = x; 891 } 892 893 if (sc->debug) 894 printf(" succeeded\n"); 895 896 #ifdef MCDDEBUG 897 delay(10); 898 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 899 x = inb(sc->iobase + MCD_STATUS); 900 printf("%s: got extra byte %02x during getstatus\n", 901 sc->sc_dev.dv_xname, (u_int)x); 902 delay(10); 903 } 904 #endif 905 906 return 0; 907 } 908 909 void 910 mcd_setflags(sc) 911 struct mcd_softc *sc; 912 { 913 914 /* Check flags. */ 915 if ((sc->flags & MCDF_LOADED) != 0 && 916 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 917 MCD_ST_DSKIN) { 918 if ((sc->status & MCD_ST_DOOROPEN) != 0) 919 printf("%s: door open\n", sc->sc_dev.dv_xname); 920 else if ((sc->status & MCD_ST_DSKIN) == 0) 921 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 922 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 923 printf("%s: media change\n", sc->sc_dev.dv_xname); 924 sc->flags &= ~MCDF_LOADED; 925 } 926 927 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 928 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 929 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 930 sc->audio_status == CD_AS_AUDIO_INVALID) 931 sc->audio_status = CD_AS_PLAY_COMPLETED; 932 } 933 934 int 935 mcd_send(sc, mbx, diskin) 936 struct mcd_softc *sc; 937 struct mcd_mbox *mbx; 938 int diskin; 939 { 940 int iobase = sc->iobase; 941 int retry, i, error; 942 943 if (sc->debug) { 944 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 945 mbx->cmd.length, (u_int)mbx->cmd.opcode); 946 for (i = 0; i < mbx->cmd.length; i++) 947 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 948 printf("\n"); 949 } 950 951 for (retry = MCD_RETRIES; retry; retry--) { 952 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 953 for (i = 0; i < mbx->cmd.length; i++) 954 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 955 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 956 break; 957 if (error == EINVAL) 958 return error; 959 } 960 if (!retry) 961 return error; 962 if (diskin && (sc->flags & MCDF_LOADED) == 0) 963 return EIO; 964 965 return 0; 966 } 967 968 static int 969 bcd2bin(b) 970 bcd_t b; 971 { 972 973 return (b >> 4) * 10 + (b & 15); 974 } 975 976 static bcd_t 977 bin2bcd(b) 978 int b; 979 { 980 981 return ((b / 10) << 4) | (b % 10); 982 } 983 984 static void 985 hsg2msf(hsg, msf) 986 int hsg; 987 bcd_t *msf; 988 { 989 990 hsg += 150; 991 F_msf(msf) = bin2bcd(hsg % 75); 992 hsg /= 75; 993 S_msf(msf) = bin2bcd(hsg % 60); 994 hsg /= 60; 995 M_msf(msf) = bin2bcd(hsg); 996 } 997 998 static daddr_t 999 msf2hsg(msf, relative) 1000 bcd_t *msf; 1001 int relative; 1002 { 1003 daddr_t blkno; 1004 1005 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1006 bcd2bin(S_msf(msf)) * 75 + 1007 bcd2bin(F_msf(msf)); 1008 if (!relative) 1009 blkno -= 150; 1010 return blkno; 1011 } 1012 1013 void 1014 mcd_pseudointr(v) 1015 void *v; 1016 { 1017 struct mcd_softc *sc = v; 1018 int s; 1019 1020 s = splbio(); 1021 (void) mcdintr(sc); 1022 splx(s); 1023 } 1024 1025 /* 1026 * State machine to process read requests. 1027 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1028 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1029 * MCD_S_WAITREAD: wait for read ready, read data. 1030 */ 1031 int 1032 mcdintr(arg) 1033 void *arg; 1034 { 1035 struct mcd_softc *sc = arg; 1036 struct mcd_mbx *mbx = &sc->mbx; 1037 int iobase = sc->iobase; 1038 struct buf *bp = mbx->bp; 1039 1040 int i; 1041 u_char x; 1042 bcd_t msf[3]; 1043 1044 switch (mbx->state) { 1045 case MCD_S_IDLE: 1046 return 0; 1047 1048 case MCD_S_BEGIN: 1049 tryagain: 1050 if (mbx->mode == sc->lastmode) 1051 goto firstblock; 1052 1053 sc->lastmode = MCD_MD_UNKNOWN; 1054 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1055 outb(iobase + MCD_COMMAND, mbx->mode); 1056 1057 mbx->count = RDELAY_WAITMODE; 1058 mbx->state = MCD_S_WAITMODE; 1059 1060 case MCD_S_WAITMODE: 1061 untimeout(mcd_pseudointr, sc); 1062 for (i = 20; i; i--) { 1063 x = inb(iobase + MCD_XFER); 1064 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1065 break; 1066 delay(50); 1067 } 1068 if (i == 0) 1069 goto hold; 1070 sc->status = inb(iobase + MCD_STATUS); 1071 mcd_setflags(sc); 1072 if ((sc->flags & MCDF_LOADED) == 0) 1073 goto changed; 1074 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1075 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1076 1077 sc->lastmode = mbx->mode; 1078 1079 firstblock: 1080 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1081 bp, 0, 0); 1082 1083 /* Build parameter block. */ 1084 hsg2msf(mbx->blkno, msf); 1085 1086 /* Send the read command. */ 1087 outb(iobase + MCD_COMMAND, sc->readcmd); 1088 outb(iobase + MCD_COMMAND, msf[0]); 1089 outb(iobase + MCD_COMMAND, msf[1]); 1090 outb(iobase + MCD_COMMAND, msf[2]); 1091 outb(iobase + MCD_COMMAND, 0); 1092 outb(iobase + MCD_COMMAND, 0); 1093 outb(iobase + MCD_COMMAND, mbx->nblk); 1094 1095 mbx->count = RDELAY_WAITREAD; 1096 mbx->state = MCD_S_WAITREAD; 1097 1098 case MCD_S_WAITREAD: 1099 untimeout(mcd_pseudointr, sc); 1100 nextblock: 1101 loop: 1102 for (i = 20; i; i--) { 1103 x = inb(iobase + MCD_XFER); 1104 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1105 goto gotblock; 1106 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1107 break; 1108 delay(50); 1109 } 1110 if (i == 0) 1111 goto hold; 1112 sc->status = inb(iobase + MCD_STATUS); 1113 mcd_setflags(sc); 1114 if ((sc->flags & MCDF_LOADED) == 0) 1115 goto changed; 1116 #if 0 1117 printf("%s: got status byte %02x during read\n", 1118 sc->sc_dev.dv_xname, (u_int)sc->status); 1119 #endif 1120 goto loop; 1121 1122 gotblock: 1123 MCD_TRACE("doread: got data delay=%d\n", 1124 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1125 1126 /* Data is ready. */ 1127 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1128 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1129 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1130 mbx->blkno += 1; 1131 mbx->skip += mbx->sz; 1132 if (--mbx->nblk > 0) 1133 goto nextblock; 1134 1135 mbx->state = MCD_S_IDLE; 1136 1137 /* Return buffer. */ 1138 bp->b_resid = 0; 1139 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1140 biodone(bp); 1141 1142 mcdstart(sc); 1143 return 1; 1144 1145 hold: 1146 if (mbx->count-- < 0) { 1147 printf("%s: timeout in state %d", 1148 sc->sc_dev.dv_xname, mbx->state); 1149 goto readerr; 1150 } 1151 1152 #if 0 1153 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1154 mbx->state); 1155 #endif 1156 timeout(mcd_pseudointr, sc, hz / 100); 1157 return -1; 1158 } 1159 1160 readerr: 1161 if (mbx->retry-- > 0) { 1162 printf("; retrying\n"); 1163 goto tryagain; 1164 } else 1165 printf("; giving up\n"); 1166 1167 changed: 1168 /* Invalidate the buffer. */ 1169 bp->b_flags |= B_ERROR; 1170 bp->b_resid = bp->b_bcount - mbx->skip; 1171 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1172 biodone(bp); 1173 1174 mcdstart(sc); 1175 return -1; 1176 1177 #ifdef notyet 1178 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1179 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1180 delay(300000); 1181 (void) mcd_getstat(sc, 1); 1182 (void) mcd_getstat(sc, 1); 1183 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1184 sc->debug = 1; /* preventive set debug mode */ 1185 #endif 1186 } 1187 1188 void 1189 mcd_soft_reset(sc) 1190 struct mcd_softc *sc; 1191 { 1192 1193 sc->debug = 0; 1194 sc->flags = 0; 1195 sc->lastmode = MCD_MD_UNKNOWN; 1196 sc->lastupc = MCD_UPC_UNKNOWN; 1197 sc->audio_status = CD_AS_AUDIO_INVALID; 1198 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1199 } 1200 1201 int 1202 mcd_hard_reset(sc) 1203 struct mcd_softc *sc; 1204 { 1205 struct mcd_mbox mbx; 1206 1207 mcd_soft_reset(sc); 1208 1209 mbx.cmd.opcode = MCD_CMDRESET; 1210 mbx.cmd.length = 0; 1211 mbx.res.length = 0; 1212 return mcd_send(sc, &mbx, 0); 1213 } 1214 1215 int 1216 mcd_setmode(sc, mode) 1217 struct mcd_softc *sc; 1218 int mode; 1219 { 1220 struct mcd_mbox mbx; 1221 int error; 1222 1223 if (sc->lastmode == mode) 1224 return 0; 1225 if (sc->debug) 1226 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1227 sc->lastmode = MCD_MD_UNKNOWN; 1228 1229 mbx.cmd.opcode = MCD_CMDSETMODE; 1230 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1231 mbx.cmd.data.datamode.mode = mode; 1232 mbx.res.length = 0; 1233 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1234 return error; 1235 1236 sc->lastmode = mode; 1237 return 0; 1238 } 1239 1240 int 1241 mcd_setupc(sc, upc) 1242 struct mcd_softc *sc; 1243 int upc; 1244 { 1245 struct mcd_mbox mbx; 1246 int error; 1247 1248 if (sc->lastupc == upc) 1249 return 0; 1250 if (sc->debug) 1251 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1252 sc->lastupc = MCD_UPC_UNKNOWN; 1253 1254 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1255 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1256 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1257 mbx.cmd.data.config.data1 = upc; 1258 mbx.res.length = 0; 1259 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1260 return error; 1261 1262 sc->lastupc = upc; 1263 return 0; 1264 } 1265 1266 int 1267 mcd_toc_header(sc, th) 1268 struct mcd_softc *sc; 1269 struct ioc_toc_header *th; 1270 { 1271 1272 if (sc->debug) 1273 printf("%s: mcd_toc_header: reading toc header\n", 1274 sc->sc_dev.dv_xname); 1275 1276 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1277 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1278 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1279 1280 return 0; 1281 } 1282 1283 int 1284 mcd_read_toc(sc) 1285 struct mcd_softc *sc; 1286 { 1287 struct ioc_toc_header th; 1288 union mcd_qchninfo q; 1289 int error, trk, idx, retry; 1290 1291 if ((error = mcd_toc_header(sc, &th)) != 0) 1292 return error; 1293 1294 if ((error = mcd_stop(sc)) != 0) 1295 return error; 1296 1297 if (sc->debug) 1298 printf("%s: read_toc: reading qchannel info\n", 1299 sc->sc_dev.dv_xname); 1300 1301 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1302 sc->toc[trk].toc.idx_no = 0x00; 1303 trk = th.ending_track - th.starting_track + 1; 1304 for (retry = 300; retry && trk > 0; retry--) { 1305 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1306 break; 1307 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1308 continue; 1309 idx = bcd2bin(q.toc.idx_no); 1310 if (idx < MCD_MAXTOCS && 1311 sc->toc[idx].toc.idx_no == 0x00) { 1312 sc->toc[idx] = q; 1313 trk--; 1314 } 1315 } 1316 1317 /* Inform the drive that we're finished so it turns off the light. */ 1318 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1319 return error; 1320 1321 if (trk != 0) 1322 return EINVAL; 1323 1324 /* Add a fake last+1 for mcd_playtracks(). */ 1325 idx = th.ending_track + 1; 1326 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1327 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1328 sc->toc[idx].toc.trk_no = 0x00; 1329 sc->toc[idx].toc.idx_no = 0xaa; 1330 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1331 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1332 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1333 1334 return 0; 1335 } 1336 1337 int 1338 mcd_toc_entries(sc, te) 1339 struct mcd_softc *sc; 1340 struct ioc_read_toc_entry *te; 1341 { 1342 int len = te->data_len; 1343 struct ret_toc { 1344 struct ioc_toc_header header; 1345 struct cd_toc_entry entries[MCD_MAXTOCS]; 1346 } data; 1347 u_char trk; 1348 daddr_t lba; 1349 int error, n; 1350 1351 if (len > sizeof(data.entries) || 1352 len < sizeof(struct cd_toc_entry)) 1353 return EINVAL; 1354 if (te->address_format != CD_MSF_FORMAT && 1355 te->address_format != CD_LBA_FORMAT) 1356 return EINVAL; 1357 1358 /* Copy the TOC header. */ 1359 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1360 return error; 1361 1362 /* Verify starting track. */ 1363 trk = te->starting_track; 1364 if (trk == 0x00) 1365 trk = data.header.starting_track; 1366 else if (trk == 0xaa) 1367 trk = data.header.ending_track + 1; 1368 else if (trk < data.header.starting_track || 1369 trk > data.header.ending_track + 1) 1370 return EINVAL; 1371 1372 /* Copy the TOC data. */ 1373 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1374 if (sc->toc[trk].toc.idx_no == 0x00) 1375 continue; 1376 data.entries[n].control = sc->toc[trk].toc.control; 1377 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1378 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1379 switch (te->address_format) { 1380 case CD_MSF_FORMAT: 1381 data.entries[n].addr[0] = 0; 1382 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1383 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1384 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1385 break; 1386 case CD_LBA_FORMAT: 1387 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1388 data.entries[n].addr[0] = lba >> 24; 1389 data.entries[n].addr[1] = lba >> 16; 1390 data.entries[n].addr[2] = lba >> 8; 1391 data.entries[n].addr[3] = lba; 1392 break; 1393 } 1394 n++; 1395 } 1396 1397 len = min(len, n * sizeof(struct cd_toc_entry)); 1398 1399 /* Copy the data back. */ 1400 return copyout(&data.entries[0], te->data, len); 1401 } 1402 1403 int 1404 mcd_stop(sc) 1405 struct mcd_softc *sc; 1406 { 1407 struct mcd_mbox mbx; 1408 int error; 1409 1410 if (sc->debug) 1411 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1412 1413 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1414 mbx.cmd.length = 0; 1415 mbx.res.length = 0; 1416 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1417 return error; 1418 1419 sc->audio_status = CD_AS_PLAY_COMPLETED; 1420 return 0; 1421 } 1422 1423 int 1424 mcd_getqchan(sc, q, qchn) 1425 struct mcd_softc *sc; 1426 union mcd_qchninfo *q; 1427 int qchn; 1428 { 1429 struct mcd_mbox mbx; 1430 int error; 1431 1432 if (qchn == CD_TRACK_INFO) { 1433 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1434 return error; 1435 } else { 1436 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1437 return error; 1438 } 1439 if (qchn == CD_MEDIA_CATALOG) { 1440 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1441 return error; 1442 } else { 1443 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1444 return error; 1445 } 1446 1447 mbx.cmd.opcode = MCD_CMDGETQCHN; 1448 mbx.cmd.length = 0; 1449 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1450 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1451 return error; 1452 1453 *q = mbx.res.data.qchninfo; 1454 return 0; 1455 } 1456 1457 int 1458 mcd_read_subchannel(sc, ch) 1459 struct mcd_softc *sc; 1460 struct ioc_read_subchannel *ch; 1461 { 1462 int len = ch->data_len; 1463 union mcd_qchninfo q; 1464 struct cd_sub_channel_info data; 1465 daddr_t lba; 1466 int error; 1467 1468 if (sc->debug) 1469 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1470 ch->address_format, ch->data_format); 1471 1472 if (len > sizeof(data) || 1473 len < sizeof(struct cd_sub_channel_header)) 1474 return EINVAL; 1475 if (ch->address_format != CD_MSF_FORMAT && 1476 ch->address_format != CD_LBA_FORMAT) 1477 return EINVAL; 1478 if (ch->data_format != CD_CURRENT_POSITION && 1479 ch->data_format != CD_MEDIA_CATALOG) 1480 return EINVAL; 1481 1482 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1483 return error; 1484 1485 data.header.audio_status = sc->audio_status; 1486 data.what.media_catalog.data_format = ch->data_format; 1487 1488 switch (ch->data_format) { 1489 case CD_MEDIA_CATALOG: 1490 data.what.media_catalog.mc_valid = 1; 1491 #if 0 1492 data.what.media_catalog.mc_number = 1493 #endif 1494 break; 1495 1496 case CD_CURRENT_POSITION: 1497 data.what.position.track_number = bcd2bin(q.current.trk_no); 1498 data.what.position.index_number = bcd2bin(q.current.idx_no); 1499 switch (ch->address_format) { 1500 case CD_MSF_FORMAT: 1501 data.what.position.reladdr[0] = 0; 1502 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1503 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1504 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1505 data.what.position.absaddr[0] = 0; 1506 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1507 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1508 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1509 break; 1510 case CD_LBA_FORMAT: 1511 lba = msf2hsg(q.current.relative_pos, 1); 1512 /* 1513 * Pre-gap has index number of 0, and decreasing MSF 1514 * address. Must be converted to negative LBA, per 1515 * SCSI spec. 1516 */ 1517 if (data.what.position.index_number == 0x00) 1518 lba = -lba; 1519 data.what.position.reladdr[0] = lba >> 24; 1520 data.what.position.reladdr[1] = lba >> 16; 1521 data.what.position.reladdr[2] = lba >> 8; 1522 data.what.position.reladdr[3] = lba; 1523 lba = msf2hsg(q.current.absolute_pos, 0); 1524 data.what.position.absaddr[0] = lba >> 24; 1525 data.what.position.absaddr[1] = lba >> 16; 1526 data.what.position.absaddr[2] = lba >> 8; 1527 data.what.position.absaddr[3] = lba; 1528 break; 1529 } 1530 break; 1531 } 1532 1533 return copyout(&data, ch->data, len); 1534 } 1535 1536 int 1537 mcd_playtracks(sc, p) 1538 struct mcd_softc *sc; 1539 struct ioc_play_track *p; 1540 { 1541 struct mcd_mbox mbx; 1542 int a = p->start_track; 1543 int z = p->end_track; 1544 int error; 1545 1546 if (sc->debug) 1547 printf("%s: playtracks: from %d:%d to %d:%d\n", 1548 sc->sc_dev.dv_xname, 1549 a, p->start_index, z, p->end_index); 1550 1551 if (a < bcd2bin(sc->volinfo.trk_low) || 1552 a > bcd2bin(sc->volinfo.trk_high) || 1553 a > z || 1554 z < bcd2bin(sc->volinfo.trk_low) || 1555 z > bcd2bin(sc->volinfo.trk_high)) 1556 return EINVAL; 1557 1558 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1559 return error; 1560 1561 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1562 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1563 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1564 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1565 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1566 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1567 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1568 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1569 sc->lastpb = mbx.cmd; 1570 mbx.res.length = 0; 1571 return mcd_send(sc, &mbx, 1); 1572 } 1573 1574 int 1575 mcd_playmsf(sc, p) 1576 struct mcd_softc *sc; 1577 struct ioc_play_msf *p; 1578 { 1579 struct mcd_mbox mbx; 1580 int error; 1581 1582 if (sc->debug) 1583 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1584 sc->sc_dev.dv_xname, 1585 p->start_m, p->start_s, p->start_f, 1586 p->end_m, p->end_s, p->end_f); 1587 1588 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1589 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1590 return EINVAL; 1591 1592 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1593 return error; 1594 1595 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1596 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1597 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1598 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1599 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1600 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1601 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1602 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1603 sc->lastpb = mbx.cmd; 1604 mbx.res.length = 0; 1605 return mcd_send(sc, &mbx, 1); 1606 } 1607 1608 int 1609 mcd_playblocks(sc, p) 1610 struct mcd_softc *sc; 1611 struct ioc_play_blocks *p; 1612 { 1613 struct mcd_mbox mbx; 1614 int error; 1615 1616 if (sc->debug) 1617 printf("%s: playblocks: blkno %d length %d\n", 1618 sc->sc_dev.dv_xname, p->blk, p->len); 1619 1620 if (p->blk > sc->disksize || p->len > sc->disksize || 1621 (p->blk + p->len) > sc->disksize) 1622 return 0; 1623 1624 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1625 return error; 1626 1627 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1628 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1629 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1630 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1631 sc->lastpb = mbx.cmd; 1632 mbx.res.length = 0; 1633 return mcd_send(sc, &mbx, 1); 1634 } 1635 1636 int 1637 mcd_pause(sc) 1638 struct mcd_softc *sc; 1639 { 1640 union mcd_qchninfo q; 1641 int error; 1642 1643 /* Verify current status. */ 1644 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1645 printf("%s: pause: attempted when not playing\n", 1646 sc->sc_dev.dv_xname); 1647 return EINVAL; 1648 } 1649 1650 /* Get the current position. */ 1651 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1652 return error; 1653 1654 /* Copy it into lastpb. */ 1655 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1656 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1657 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1658 1659 /* Stop playing. */ 1660 if ((error = mcd_stop(sc)) != 0) 1661 return error; 1662 1663 /* Set the proper status and exit. */ 1664 sc->audio_status = CD_AS_PLAY_PAUSED; 1665 return 0; 1666 } 1667 1668 int 1669 mcd_resume(sc) 1670 struct mcd_softc *sc; 1671 { 1672 struct mcd_mbox mbx; 1673 int error; 1674 1675 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1676 return EINVAL; 1677 1678 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1679 return error; 1680 1681 mbx.cmd = sc->lastpb; 1682 mbx.res.length = 0; 1683 return mcd_send(sc, &mbx, 1); 1684 } 1685 1686 int 1687 mcd_eject(sc) 1688 struct mcd_softc *sc; 1689 { 1690 struct mcd_mbox mbx; 1691 1692 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1693 mbx.cmd.length = 0; 1694 mbx.res.length = 0; 1695 return mcd_send(sc, &mbx, 0); 1696 } 1697 1698 int 1699 mcd_setlock(sc, mode) 1700 struct mcd_softc *sc; 1701 int mode; 1702 { 1703 struct mcd_mbox mbx; 1704 1705 mbx.cmd.opcode = MCD_CMDSETLOCK; 1706 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1707 mbx.cmd.data.lockmode.mode = mode; 1708 mbx.res.length = 0; 1709 return mcd_send(sc, &mbx, 1); 1710 } 1711
Indexes created Tue Sep 30 07:10:03 GMT 2025