mcd.c revision 1.41
1 /* $NetBSD: mcd.c,v 1.41 1995/07/10 01:27:24 cgd 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 dkdevice 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 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 211 212 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 213 214 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 215 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 216 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 217 mbx.cmd.data.config.data1 = 0x01; 218 mbx.res.length = 0; 219 (void) mcd_send(sc, &mbx, 0); 220 221 mcd_soft_reset(sc); 222 223 sc->sc_dk.dk_driver = &mcddkdriver; 224 225 sc->sc_ih = isa_intr_establish(ia->ia_irq, ISA_IST_EDGE, ISA_IPL_BIO, 226 mcdintr, sc); 227 } 228 229 /* 230 * Wait interruptibly for an exclusive lock. 231 * 232 * XXX 233 * Several drivers do this; it should be abstracted and made MP-safe. 234 */ 235 int 236 mcdlock(sc) 237 struct mcd_softc *sc; 238 { 239 int error; 240 241 while ((sc->flags & MCDF_LOCKED) != 0) { 242 sc->flags |= MCDF_WANTED; 243 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 244 return error; 245 } 246 sc->flags |= MCDF_LOCKED; 247 return 0; 248 } 249 250 /* 251 * Unlock and wake up any waiters. 252 */ 253 void 254 mcdunlock(sc) 255 struct mcd_softc *sc; 256 { 257 258 sc->flags &= ~MCDF_LOCKED; 259 if ((sc->flags & MCDF_WANTED) != 0) { 260 sc->flags &= ~MCDF_WANTED; 261 wakeup(sc); 262 } 263 } 264 265 int 266 mcdopen(dev, flag, fmt, p) 267 dev_t dev; 268 int flag, fmt; 269 struct proc *p; 270 { 271 int error; 272 int unit, part; 273 struct mcd_softc *sc; 274 275 unit = MCDUNIT(dev); 276 if (unit >= mcdcd.cd_ndevs) 277 return ENXIO; 278 sc = mcdcd.cd_devs[unit]; 279 if (!sc) 280 return ENXIO; 281 282 if (error = mcdlock(sc)) 283 return error; 284 285 if (sc->sc_dk.dk_openmask != 0) { 286 /* 287 * If any partition is open, but the disk has been invalidated, 288 * disallow further opens. 289 */ 290 if ((sc->flags & MCDF_LOADED) == 0) { 291 error = EIO; 292 goto bad3; 293 } 294 } else { 295 /* 296 * Lock the drawer. This will also notice any pending disk 297 * change or door open indicator and clear the MCDF_LOADED bit 298 * if necessary. 299 */ 300 (void) mcd_setlock(sc, MCD_LK_LOCK); 301 302 if ((sc->flags & MCDF_LOADED) == 0) { 303 /* Partially reset the state. */ 304 sc->lastmode = MCD_MD_UNKNOWN; 305 sc->lastupc = MCD_UPC_UNKNOWN; 306 307 sc->flags |= MCDF_LOADED; 308 309 /* Set the mode, causing the disk to spin up. */ 310 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 311 goto bad2; 312 313 /* Load the physical device parameters. */ 314 if (mcd_get_parms(sc) != 0) { 315 error = ENXIO; 316 goto bad2; 317 } 318 319 /* Read the table of contents. */ 320 if ((error = mcd_read_toc(sc)) != 0) 321 goto bad2; 322 323 /* Fabricate a disk label. */ 324 mcdgetdisklabel(sc); 325 } 326 } 327 328 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 329 sc->disksize, sc->blksize, 0); 330 331 part = MCDPART(dev); 332 333 /* Check that the partition exists. */ 334 if (part != RAW_PART && 335 (part >= sc->sc_dk.dk_label.d_npartitions || 336 sc->sc_dk.dk_label.d_partitions[part].p_fstype == FS_UNUSED)) { 337 error = ENXIO; 338 goto bad; 339 } 340 341 /* Insure only one open at a time. */ 342 switch (fmt) { 343 case S_IFCHR: 344 sc->sc_dk.dk_copenmask |= (1 << part); 345 break; 346 case S_IFBLK: 347 sc->sc_dk.dk_bopenmask |= (1 << part); 348 break; 349 } 350 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 351 352 mcdunlock(sc); 353 return 0; 354 355 bad2: 356 sc->flags &= ~MCDF_LOADED; 357 358 bad: 359 if (sc->sc_dk.dk_openmask == 0) { 360 #if 0 361 (void) mcd_setmode(sc, MCD_MD_SLEEP); 362 #endif 363 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 364 } 365 366 bad3: 367 mcdunlock(sc); 368 return error; 369 } 370 371 int 372 mcdclose(dev, flag, fmt) 373 dev_t dev; 374 int flag, fmt; 375 { 376 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 377 int part = MCDPART(dev); 378 int error; 379 380 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 381 382 if (error = mcdlock(sc)) 383 return error; 384 385 switch (fmt) { 386 case S_IFCHR: 387 sc->sc_dk.dk_copenmask &= ~(1 << part); 388 break; 389 case S_IFBLK: 390 sc->sc_dk.dk_bopenmask &= ~(1 << part); 391 break; 392 } 393 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 394 395 if (sc->sc_dk.dk_openmask == 0) { 396 /* XXXX Must wait for I/O to complete! */ 397 398 #if 0 399 (void) mcd_setmode(sc, MCD_MD_SLEEP); 400 #endif 401 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 402 } 403 404 mcdunlock(sc); 405 return 0; 406 } 407 408 void 409 mcdstrategy(bp) 410 struct buf *bp; 411 { 412 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 413 int s; 414 415 /* Test validity. */ 416 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 417 bp->b_blkno, bp->b_bcount, 0); 418 if (bp->b_blkno < 0 || 419 (bp->b_bcount % sc->blksize) != 0) { 420 printf("%s: strategy: blkno = %d bcount = %d\n", 421 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 422 bp->b_error = EINVAL; 423 goto bad; 424 } 425 426 /* If device invalidated (e.g. media change, door open), error. */ 427 if ((sc->flags & MCDF_LOADED) == 0) { 428 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 429 bp->b_error = EIO; 430 goto bad; 431 } 432 433 /* No data to read. */ 434 if (bp->b_bcount == 0) 435 goto done; 436 437 /* 438 * Do bounds checking, adjust transfer. if error, process. 439 * If end of partition, just return. 440 */ 441 if (MCDPART(bp->b_dev) != RAW_PART && 442 bounds_check_with_label(bp, &sc->sc_dk.dk_label, 443 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 444 goto done; 445 446 /* Queue it. */ 447 s = splbio(); 448 disksort(&sc->buf_queue, bp); 449 splx(s); 450 if (!sc->buf_queue.b_active) 451 mcdstart(sc); 452 return; 453 454 bad: 455 bp->b_flags |= B_ERROR; 456 done: 457 bp->b_resid = bp->b_bcount; 458 biodone(bp); 459 } 460 461 void 462 mcdstart(sc) 463 struct mcd_softc *sc; 464 { 465 struct buf *bp, *dp = &sc->buf_queue; 466 int s; 467 468 loop: 469 s = splbio(); 470 471 bp = dp->b_actf; 472 if (bp == NULL) { 473 /* Nothing to do. */ 474 dp->b_active = 0; 475 splx(s); 476 return; 477 } 478 479 /* Block found to process; dequeue. */ 480 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 481 dp->b_actf = bp->b_actf; 482 splx(s); 483 484 /* Changed media? */ 485 if ((sc->flags & MCDF_LOADED) == 0) { 486 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 487 bp->b_error = EIO; 488 bp->b_flags |= B_ERROR; 489 biodone(bp); 490 goto loop; 491 } 492 493 dp->b_active = 1; 494 495 sc->mbx.retry = MCD_RDRETRIES; 496 sc->mbx.bp = bp; 497 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 498 if (MCDPART(bp->b_dev) != RAW_PART) { 499 struct partition *p; 500 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 501 sc->mbx.blkno += p->p_offset; 502 } 503 sc->mbx.nblk = bp->b_bcount / sc->blksize; 504 sc->mbx.sz = sc->blksize; 505 sc->mbx.skip = 0; 506 sc->mbx.state = MCD_S_BEGIN; 507 sc->mbx.mode = MCD_MD_COOKED; 508 509 s = splbio(); 510 (void) mcdintr(sc); 511 splx(s); 512 } 513 514 int 515 mcdread(dev, uio) 516 dev_t dev; 517 struct uio *uio; 518 { 519 520 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 521 } 522 523 int 524 mcdwrite(dev, uio) 525 dev_t dev; 526 struct uio *uio; 527 { 528 529 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 530 } 531 532 int 533 mcdioctl(dev, cmd, addr, flag, p) 534 dev_t dev; 535 u_long cmd; 536 caddr_t addr; 537 int flag; 538 struct proc *p; 539 { 540 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 541 int error; 542 543 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 544 545 if ((sc->flags & MCDF_LOADED) == 0) 546 return EIO; 547 548 switch (cmd) { 549 case DIOCGDINFO: 550 *(struct disklabel *)addr = sc->sc_dk.dk_label; 551 return 0; 552 553 case DIOCGPART: 554 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 555 ((struct partinfo *)addr)->part = 556 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 557 return 0; 558 559 case DIOCWDINFO: 560 case DIOCSDINFO: 561 if ((flag & FWRITE) == 0) 562 return EBADF; 563 564 if (error = mcdlock(sc)) 565 return error; 566 sc->flags |= MCDF_LABELLING; 567 568 error = setdisklabel(&sc->sc_dk.dk_label, 569 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 570 &sc->sc_dk.dk_cpulabel); 571 if (error == 0) { 572 } 573 574 sc->flags &= ~MCDF_LABELLING; 575 mcdunlock(sc); 576 return error; 577 578 case DIOCWLABEL: 579 return EBADF; 580 581 case CDIOCPLAYTRACKS: 582 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 583 case CDIOCPLAYMSF: 584 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 585 case CDIOCPLAYBLOCKS: 586 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 587 case CDIOCREADSUBCHANNEL: 588 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 589 case CDIOREADTOCHEADER: 590 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 591 case CDIOREADTOCENTRYS: 592 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 593 case CDIOCSETPATCH: 594 case CDIOCGETVOL: 595 case CDIOCSETVOL: 596 case CDIOCSETMONO: 597 case CDIOCSETSTEREO: 598 case CDIOCSETMUTE: 599 case CDIOCSETLEFT: 600 case CDIOCSETRIGHT: 601 return EINVAL; 602 case CDIOCRESUME: 603 return mcd_resume(sc); 604 case CDIOCPAUSE: 605 return mcd_pause(sc); 606 case CDIOCSTART: 607 return EINVAL; 608 case CDIOCSTOP: 609 return mcd_stop(sc); 610 case CDIOCEJECT: 611 return mcd_eject(sc); 612 case CDIOCALLOW: 613 return mcd_setlock(sc, MCD_LK_UNLOCK); 614 case CDIOCPREVENT: 615 return mcd_setlock(sc, MCD_LK_LOCK); 616 case CDIOCSETDEBUG: 617 sc->debug = 1; 618 return 0; 619 case CDIOCCLRDEBUG: 620 sc->debug = 0; 621 return 0; 622 case CDIOCRESET: 623 return mcd_hard_reset(sc); 624 625 default: 626 return ENOTTY; 627 } 628 629 #ifdef DIAGNOSTIC 630 panic("mcdioctl: impossible"); 631 #endif 632 } 633 634 /* 635 * This could have been taken from scsi/cd.c, but it is not clear 636 * whether the scsi cd driver is linked in. 637 */ 638 void 639 mcdgetdisklabel(sc) 640 struct mcd_softc *sc; 641 { 642 643 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 644 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 645 646 sc->sc_dk.dk_label.d_secsize = sc->blksize; 647 sc->sc_dk.dk_label.d_ntracks = 1; 648 sc->sc_dk.dk_label.d_nsectors = 100; 649 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 650 sc->sc_dk.dk_label.d_secpercyl = 651 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 652 653 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 654 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 655 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 656 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 657 sc->sc_dk.dk_label.d_rpm = 300; 658 sc->sc_dk.dk_label.d_interleave = 1; 659 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 660 661 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 662 sc->sc_dk.dk_label.d_partitions[0].p_size = 663 sc->sc_dk.dk_label.d_secperunit * 664 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 665 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 666 sc->sc_dk.dk_label.d_npartitions = 1; 667 668 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 669 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 670 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 671 } 672 673 int 674 mcd_get_parms(sc) 675 struct mcd_softc *sc; 676 { 677 struct mcd_mbox mbx; 678 daddr_t size; 679 int error; 680 681 /* Send volume info command. */ 682 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 683 mbx.cmd.length = 0; 684 mbx.res.length = sizeof(mbx.res.data.volinfo); 685 if ((error = mcd_send(sc, &mbx, 1)) != 0) 686 return error; 687 688 if (mbx.res.data.volinfo.trk_low == 0x00 && 689 mbx.res.data.volinfo.trk_high == 0x00) 690 return EINVAL; 691 692 /* Volinfo is OK. */ 693 sc->volinfo = mbx.res.data.volinfo; 694 sc->blksize = MCD_BLKSIZE_COOKED; 695 size = msf2hsg(sc->volinfo.vol_msf, 0); 696 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 697 return 0; 698 } 699 700 int 701 mcdsize(dev) 702 dev_t dev; 703 { 704 705 /* CD-ROMs are read-only. */ 706 return -1; 707 } 708 709 int 710 mcddump(dev, blkno, va, size) 711 dev_t dev; 712 daddr_t blkno; 713 caddr_t va; 714 size_t size; 715 { 716 717 /* Not implemented. */ 718 return ENXIO; 719 } 720 721 int 722 mcdprobe(parent, match, aux) 723 struct device *parent; 724 void *match, *aux; 725 { 726 struct mcd_softc *sc = match; 727 struct isa_attach_args *ia = aux; 728 int iobase = ia->ia_iobase; 729 int i; 730 struct mcd_mbox mbx; 731 732 sc->iobase = iobase; 733 734 /* Send a reset. */ 735 outb(iobase + MCD_RESET, 0); 736 delay(1000000); 737 /* Get any pending status and throw away. */ 738 for (i = 10; i; i--) 739 inb(iobase + MCD_STATUS); 740 delay(1000); 741 742 /* Send get status command. */ 743 mbx.cmd.opcode = MCD_CMDGETSTAT; 744 mbx.cmd.length = 0; 745 mbx.res.length = 0; 746 if (mcd_send(sc, &mbx, 0) != 0) 747 return 0; 748 749 /* Get info about the drive. */ 750 mbx.cmd.opcode = MCD_CMDCONTINFO; 751 mbx.cmd.length = 0; 752 mbx.res.length = sizeof(mbx.res.data.continfo); 753 if (mcd_send(sc, &mbx, 0) != 0) 754 return 0; 755 756 /* 757 * The following is code which is not guaranteed to work for all 758 * drives, because the meaning of the expected 'M' is not clear 759 * (M_itsumi is an obvious assumption, but I don't trust that). 760 * Also, the original hack had a bogus condition that always 761 * returned true. 762 * 763 * Note: Which models support interrupts? >=LU005S? 764 */ 765 sc->readcmd = MCD_CMDREADSINGLESPEED; 766 switch (mbx.res.data.continfo.code) { 767 case 'M': 768 if (mbx.res.data.continfo.version <= 2) 769 sc->type = "LU002S"; 770 else if (mbx.res.data.continfo.version <= 5) 771 sc->type = "LU005S"; 772 else 773 sc->type = "LU006S"; 774 break; 775 case 'F': 776 sc->type = "FX001"; 777 break; 778 case 'D': 779 sc->type = "FX001D"; 780 sc->readcmd = MCD_CMDREADDOUBLESPEED; 781 break; 782 default: 783 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 784 sc->sc_dev.dv_xname, 785 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 786 sc->type = 0; 787 break; 788 } 789 790 ia->ia_iosize = 4; 791 ia->ia_msize = 0; 792 return 1; 793 } 794 795 int 796 mcd_getreply(sc) 797 struct mcd_softc *sc; 798 { 799 int iobase = sc->iobase; 800 int i; 801 802 /* Wait until xfer port senses data ready. */ 803 for (i = DELAY_GETREPLY; i; i--) { 804 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 805 break; 806 delay(DELAY_GRANULARITY); 807 } 808 if (!i) 809 return -1; 810 811 /* Get the data. */ 812 return inb(iobase + MCD_STATUS); 813 } 814 815 int 816 mcd_getstat(sc) 817 struct mcd_softc *sc; 818 { 819 struct mcd_mbox mbx; 820 821 mbx.cmd.opcode = MCD_CMDGETSTAT; 822 mbx.cmd.length = 0; 823 mbx.res.length = 0; 824 return mcd_send(sc, &mbx, 1); 825 } 826 827 int 828 mcd_getresult(sc, res) 829 struct mcd_softc *sc; 830 struct mcd_result *res; 831 { 832 int i, x; 833 834 if (sc->debug) 835 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 836 res->length); 837 838 if ((x = mcd_getreply(sc)) < 0) { 839 if (sc->debug) 840 printf(" timeout\n"); 841 else 842 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 843 return EIO; 844 } 845 if (sc->debug) 846 printf(" %02x", (u_int)x); 847 sc->status = x; 848 mcd_setflags(sc); 849 850 if ((sc->status & MCD_ST_CMDCHECK) != 0) 851 return EINVAL; 852 853 for (i = 0; i < res->length; i++) { 854 if ((x = mcd_getreply(sc)) < 0) { 855 if (sc->debug) 856 printf(" timeout\n"); 857 else 858 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 859 return EIO; 860 } 861 if (sc->debug) 862 printf(" %02x", (u_int)x); 863 res->data.raw.data[i] = x; 864 } 865 866 if (sc->debug) 867 printf(" succeeded\n"); 868 869 #ifdef MCDDEBUG 870 delay(10); 871 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 872 x = inb(sc->iobase + MCD_STATUS); 873 printf("%s: got extra byte %02x during getstatus\n", 874 sc->sc_dev.dv_xname, (u_int)x); 875 delay(10); 876 } 877 #endif 878 879 return 0; 880 } 881 882 void 883 mcd_setflags(sc) 884 struct mcd_softc *sc; 885 { 886 887 /* Check flags. */ 888 if ((sc->flags & MCDF_LOADED) != 0 && 889 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 890 MCD_ST_DSKIN) { 891 if ((sc->status & MCD_ST_DOOROPEN) != 0) 892 printf("%s: door open\n", sc->sc_dev.dv_xname); 893 else if ((sc->status & MCD_ST_DSKIN) == 0) 894 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 895 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 896 printf("%s: media change\n", sc->sc_dev.dv_xname); 897 sc->flags &= ~MCDF_LOADED; 898 } 899 900 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 901 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 902 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 903 sc->audio_status == CD_AS_AUDIO_INVALID) 904 sc->audio_status = CD_AS_PLAY_COMPLETED; 905 } 906 907 int 908 mcd_send(sc, mbx, diskin) 909 struct mcd_softc *sc; 910 struct mcd_mbox *mbx; 911 int diskin; 912 { 913 int iobase = sc->iobase; 914 int retry, i, error; 915 916 if (sc->debug) { 917 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 918 mbx->cmd.length, (u_int)mbx->cmd.opcode); 919 for (i = 0; i < mbx->cmd.length; i++) 920 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 921 printf("\n"); 922 } 923 924 for (retry = MCD_RETRIES; retry; retry--) { 925 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 926 for (i = 0; i < mbx->cmd.length; i++) 927 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 928 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 929 break; 930 if (error == EINVAL) 931 return error; 932 } 933 if (!retry) 934 return error; 935 if (diskin && (sc->flags & MCDF_LOADED) == 0) 936 return EIO; 937 938 return 0; 939 } 940 941 static int 942 bcd2bin(b) 943 bcd_t b; 944 { 945 946 return (b >> 4) * 10 + (b & 15); 947 } 948 949 static bcd_t 950 bin2bcd(b) 951 int b; 952 { 953 954 return ((b / 10) << 4) | (b % 10); 955 } 956 957 static void 958 hsg2msf(hsg, msf) 959 int hsg; 960 bcd_t *msf; 961 { 962 963 hsg += 150; 964 F_msf(msf) = bin2bcd(hsg % 75); 965 hsg /= 75; 966 S_msf(msf) = bin2bcd(hsg % 60); 967 hsg /= 60; 968 M_msf(msf) = bin2bcd(hsg); 969 } 970 971 static daddr_t 972 msf2hsg(msf, relative) 973 bcd_t *msf; 974 int relative; 975 { 976 daddr_t blkno; 977 978 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 979 bcd2bin(S_msf(msf)) * 75 + 980 bcd2bin(F_msf(msf)); 981 if (!relative) 982 blkno -= 150; 983 return blkno; 984 } 985 986 void 987 mcd_pseudointr(sc) 988 struct mcd_softc *sc; 989 { 990 int s; 991 992 s = splbio(); 993 (void) mcdintr(sc); 994 splx(s); 995 } 996 997 /* 998 * State machine to process read requests. 999 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1000 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1001 * MCD_S_WAITREAD: wait for read ready, read data. 1002 */ 1003 int 1004 mcdintr(arg) 1005 void *arg; 1006 { 1007 struct mcd_softc *sc = arg; 1008 struct mcd_mbx *mbx = &sc->mbx; 1009 int iobase = sc->iobase; 1010 struct buf *bp = mbx->bp; 1011 1012 int i; 1013 u_char x; 1014 bcd_t msf[3]; 1015 1016 switch (mbx->state) { 1017 case MCD_S_IDLE: 1018 return 0; 1019 1020 case MCD_S_BEGIN: 1021 tryagain: 1022 if (mbx->mode == sc->lastmode) 1023 goto firstblock; 1024 1025 sc->lastmode = MCD_MD_UNKNOWN; 1026 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1027 outb(iobase + MCD_COMMAND, mbx->mode); 1028 1029 mbx->count = RDELAY_WAITMODE; 1030 mbx->state = MCD_S_WAITMODE; 1031 1032 case MCD_S_WAITMODE: 1033 untimeout(mcd_pseudointr, sc); 1034 for (i = 20; i; i--) { 1035 x = inb(iobase + MCD_XFER); 1036 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1037 break; 1038 delay(50); 1039 } 1040 if (i == 0) 1041 goto hold; 1042 sc->status = inb(iobase + MCD_STATUS); 1043 mcd_setflags(sc); 1044 if ((sc->flags & MCDF_LOADED) == 0) 1045 goto changed; 1046 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1047 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1048 1049 sc->lastmode = mbx->mode; 1050 1051 firstblock: 1052 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1053 bp, 0, 0); 1054 1055 /* Build parameter block. */ 1056 hsg2msf(mbx->blkno, msf); 1057 1058 /* Send the read command. */ 1059 outb(iobase + MCD_COMMAND, sc->readcmd); 1060 outb(iobase + MCD_COMMAND, msf[0]); 1061 outb(iobase + MCD_COMMAND, msf[1]); 1062 outb(iobase + MCD_COMMAND, msf[2]); 1063 outb(iobase + MCD_COMMAND, 0); 1064 outb(iobase + MCD_COMMAND, 0); 1065 outb(iobase + MCD_COMMAND, mbx->nblk); 1066 1067 mbx->count = RDELAY_WAITREAD; 1068 mbx->state = MCD_S_WAITREAD; 1069 1070 case MCD_S_WAITREAD: 1071 untimeout(mcd_pseudointr, sc); 1072 nextblock: 1073 loop: 1074 for (i = 20; i; i--) { 1075 x = inb(iobase + MCD_XFER); 1076 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1077 goto gotblock; 1078 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1079 break; 1080 delay(50); 1081 } 1082 if (i == 0) 1083 goto hold; 1084 sc->status = inb(iobase + MCD_STATUS); 1085 mcd_setflags(sc); 1086 if ((sc->flags & MCDF_LOADED) == 0) 1087 goto changed; 1088 #if 0 1089 printf("%s: got status byte %02x during read\n", 1090 sc->sc_dev.dv_xname, (u_int)sc->status); 1091 #endif 1092 goto loop; 1093 1094 gotblock: 1095 MCD_TRACE("doread: got data delay=%d\n", 1096 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1097 1098 /* Data is ready. */ 1099 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1100 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1101 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1102 mbx->blkno += 1; 1103 mbx->skip += mbx->sz; 1104 if (--mbx->nblk > 0) 1105 goto nextblock; 1106 1107 mbx->state = MCD_S_IDLE; 1108 1109 /* Return buffer. */ 1110 bp->b_resid = 0; 1111 biodone(bp); 1112 1113 mcdstart(sc); 1114 return 1; 1115 1116 hold: 1117 if (mbx->count-- < 0) { 1118 printf("%s: timeout in state %d", 1119 sc->sc_dev.dv_xname, mbx->state); 1120 goto readerr; 1121 } 1122 1123 #if 0 1124 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1125 mbx->state); 1126 #endif 1127 timeout(mcd_pseudointr, sc, hz / 100); 1128 return -1; 1129 } 1130 1131 readerr: 1132 if (mbx->retry-- > 0) { 1133 printf("; retrying\n"); 1134 goto tryagain; 1135 } else 1136 printf("; giving up\n"); 1137 1138 changed: 1139 harderr: 1140 /* Invalidate the buffer. */ 1141 bp->b_flags |= B_ERROR; 1142 bp->b_resid = bp->b_bcount - mbx->skip; 1143 biodone(bp); 1144 1145 mcdstart(sc); 1146 return -1; 1147 1148 #ifdef notyet 1149 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1150 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1151 delay(300000); 1152 (void) mcd_getstat(sc, 1); 1153 (void) mcd_getstat(sc, 1); 1154 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1155 sc->debug = 1; /* preventive set debug mode */ 1156 #endif 1157 } 1158 1159 void 1160 mcd_soft_reset(sc) 1161 struct mcd_softc *sc; 1162 { 1163 1164 sc->debug = 0; 1165 sc->flags = 0; 1166 sc->lastmode = MCD_MD_UNKNOWN; 1167 sc->lastupc = MCD_UPC_UNKNOWN; 1168 sc->audio_status = CD_AS_AUDIO_INVALID; 1169 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1170 } 1171 1172 int 1173 mcd_hard_reset(sc) 1174 struct mcd_softc *sc; 1175 { 1176 struct mcd_mbox mbx; 1177 1178 mcd_soft_reset(sc); 1179 1180 mbx.cmd.opcode = MCD_CMDRESET; 1181 mbx.cmd.length = 0; 1182 mbx.res.length = 0; 1183 return mcd_send(sc, &mbx, 0); 1184 } 1185 1186 int 1187 mcd_setmode(sc, mode) 1188 struct mcd_softc *sc; 1189 int mode; 1190 { 1191 struct mcd_mbox mbx; 1192 int error; 1193 1194 if (sc->lastmode == mode) 1195 return 0; 1196 if (sc->debug) 1197 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1198 sc->lastmode = MCD_MD_UNKNOWN; 1199 1200 mbx.cmd.opcode = MCD_CMDSETMODE; 1201 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1202 mbx.cmd.data.datamode.mode = mode; 1203 mbx.res.length = 0; 1204 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1205 return error; 1206 1207 sc->lastmode = mode; 1208 return 0; 1209 } 1210 1211 int 1212 mcd_setupc(sc, upc) 1213 struct mcd_softc *sc; 1214 int upc; 1215 { 1216 struct mcd_mbox mbx; 1217 int error; 1218 1219 if (sc->lastupc == upc) 1220 return 0; 1221 if (sc->debug) 1222 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1223 sc->lastupc = MCD_UPC_UNKNOWN; 1224 1225 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1226 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1227 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1228 mbx.cmd.data.config.data1 = upc; 1229 mbx.res.length = 0; 1230 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1231 return error; 1232 1233 sc->lastupc = upc; 1234 return 0; 1235 } 1236 1237 int 1238 mcd_toc_header(sc, th) 1239 struct mcd_softc *sc; 1240 struct ioc_toc_header *th; 1241 { 1242 1243 if (sc->debug) 1244 printf("%s: mcd_toc_header: reading toc header\n", 1245 sc->sc_dev.dv_xname); 1246 1247 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1248 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1249 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1250 1251 return 0; 1252 } 1253 1254 int 1255 mcd_read_toc(sc) 1256 struct mcd_softc *sc; 1257 { 1258 struct ioc_toc_header th; 1259 union mcd_qchninfo q; 1260 int error, trk, idx, retry; 1261 1262 if ((error = mcd_toc_header(sc, &th)) != 0) 1263 return error; 1264 1265 if ((error = mcd_stop(sc)) != 0) 1266 return error; 1267 1268 if (sc->debug) 1269 printf("%s: read_toc: reading qchannel info\n", 1270 sc->sc_dev.dv_xname); 1271 1272 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1273 sc->toc[trk].toc.idx_no = 0x00; 1274 trk = th.ending_track - th.starting_track + 1; 1275 for (retry = 300; retry && trk > 0; retry--) { 1276 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1277 break; 1278 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1279 continue; 1280 idx = bcd2bin(q.toc.idx_no); 1281 if (idx < MCD_MAXTOCS && 1282 sc->toc[idx].toc.idx_no == 0x00) { 1283 sc->toc[idx] = q; 1284 trk--; 1285 } 1286 } 1287 1288 /* Inform the drive that we're finished so it turns off the light. */ 1289 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1290 return error; 1291 1292 if (trk != 0) 1293 return EINVAL; 1294 1295 /* Add a fake last+1 for mcd_playtracks(). */ 1296 idx = th.ending_track + 1; 1297 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1298 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1299 sc->toc[idx].toc.trk_no = 0x00; 1300 sc->toc[idx].toc.idx_no = 0xaa; 1301 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1302 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1303 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1304 1305 return 0; 1306 } 1307 1308 int 1309 mcd_toc_entries(sc, te) 1310 struct mcd_softc *sc; 1311 struct ioc_read_toc_entry *te; 1312 { 1313 int len = te->data_len; 1314 struct ret_toc { 1315 struct ioc_toc_header header; 1316 struct cd_toc_entry entries[MCD_MAXTOCS]; 1317 } data; 1318 u_char trk; 1319 daddr_t lba; 1320 int error, n; 1321 1322 if (len > sizeof(data.entries) || 1323 len < sizeof(struct cd_toc_entry)) 1324 return EINVAL; 1325 if (te->address_format != CD_MSF_FORMAT && 1326 te->address_format != CD_LBA_FORMAT) 1327 return EINVAL; 1328 1329 /* Copy the TOC header. */ 1330 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1331 return error; 1332 1333 /* Verify starting track. */ 1334 trk = te->starting_track; 1335 if (trk == 0x00) 1336 trk = data.header.starting_track; 1337 else if (trk == 0xaa) 1338 trk = data.header.ending_track + 1; 1339 else if (trk < data.header.starting_track || 1340 trk > data.header.ending_track + 1) 1341 return EINVAL; 1342 1343 /* Copy the TOC data. */ 1344 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1345 if (sc->toc[trk].toc.idx_no == 0x00) 1346 continue; 1347 data.entries[n].control = sc->toc[trk].toc.control; 1348 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1349 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1350 switch (te->address_format) { 1351 case CD_MSF_FORMAT: 1352 data.entries[n].addr[0] = 0; 1353 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1354 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1355 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1356 break; 1357 case CD_LBA_FORMAT: 1358 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1359 data.entries[n].addr[0] = lba >> 24; 1360 data.entries[n].addr[1] = lba >> 16; 1361 data.entries[n].addr[2] = lba >> 8; 1362 data.entries[n].addr[3] = lba; 1363 break; 1364 } 1365 n++; 1366 } 1367 1368 len = min(len, n * sizeof(struct cd_toc_entry)); 1369 1370 /* Copy the data back. */ 1371 return copyout(&data.entries[0], te->data, len); 1372 } 1373 1374 int 1375 mcd_stop(sc) 1376 struct mcd_softc *sc; 1377 { 1378 struct mcd_mbox mbx; 1379 int error; 1380 1381 if (sc->debug) 1382 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1383 1384 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1385 mbx.cmd.length = 0; 1386 mbx.res.length = 0; 1387 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1388 return error; 1389 1390 sc->audio_status = CD_AS_PLAY_COMPLETED; 1391 return 0; 1392 } 1393 1394 int 1395 mcd_getqchan(sc, q, qchn) 1396 struct mcd_softc *sc; 1397 union mcd_qchninfo *q; 1398 int qchn; 1399 { 1400 struct mcd_mbox mbx; 1401 int error; 1402 1403 if (qchn == CD_TRACK_INFO) { 1404 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1405 return error; 1406 } else { 1407 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1408 return error; 1409 } 1410 if (qchn == CD_MEDIA_CATALOG) { 1411 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1412 return error; 1413 } else { 1414 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1415 return error; 1416 } 1417 1418 mbx.cmd.opcode = MCD_CMDGETQCHN; 1419 mbx.cmd.length = 0; 1420 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1421 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1422 return error; 1423 1424 *q = mbx.res.data.qchninfo; 1425 return 0; 1426 } 1427 1428 int 1429 mcd_read_subchannel(sc, ch) 1430 struct mcd_softc *sc; 1431 struct ioc_read_subchannel *ch; 1432 { 1433 int len = ch->data_len; 1434 union mcd_qchninfo q; 1435 struct cd_sub_channel_info data; 1436 daddr_t lba; 1437 int error; 1438 1439 if (sc->debug) 1440 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1441 ch->address_format, ch->data_format); 1442 1443 if (len > sizeof(data) || 1444 len < sizeof(struct cd_sub_channel_header)) 1445 return EINVAL; 1446 if (ch->address_format != CD_MSF_FORMAT && 1447 ch->address_format != CD_LBA_FORMAT) 1448 return EINVAL; 1449 if (ch->data_format != CD_CURRENT_POSITION && 1450 ch->data_format != CD_MEDIA_CATALOG) 1451 return EINVAL; 1452 1453 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1454 return error; 1455 1456 data.header.audio_status = sc->audio_status; 1457 data.what.media_catalog.data_format = ch->data_format; 1458 1459 switch (ch->data_format) { 1460 case CD_MEDIA_CATALOG: 1461 data.what.media_catalog.mc_valid = 1; 1462 #if 0 1463 data.what.media_catalog.mc_number = 1464 #endif 1465 break; 1466 1467 case CD_CURRENT_POSITION: 1468 data.what.position.track_number = bcd2bin(q.current.trk_no); 1469 data.what.position.index_number = bcd2bin(q.current.idx_no); 1470 switch (ch->address_format) { 1471 case CD_MSF_FORMAT: 1472 data.what.position.reladdr[0] = 0; 1473 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1474 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1475 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1476 data.what.position.absaddr[0] = 0; 1477 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1478 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1479 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1480 break; 1481 case CD_LBA_FORMAT: 1482 lba = msf2hsg(q.current.relative_pos, 1); 1483 /* 1484 * Pre-gap has index number of 0, and decreasing MSF 1485 * address. Must be converted to negative LBA, per 1486 * SCSI spec. 1487 */ 1488 if (data.what.position.index_number == 0x00) 1489 lba = -lba; 1490 data.what.position.reladdr[0] = lba >> 24; 1491 data.what.position.reladdr[1] = lba >> 16; 1492 data.what.position.reladdr[2] = lba >> 8; 1493 data.what.position.reladdr[3] = lba; 1494 lba = msf2hsg(q.current.absolute_pos, 0); 1495 data.what.position.absaddr[0] = lba >> 24; 1496 data.what.position.absaddr[1] = lba >> 16; 1497 data.what.position.absaddr[2] = lba >> 8; 1498 data.what.position.absaddr[3] = lba; 1499 break; 1500 } 1501 break; 1502 } 1503 1504 return copyout(&data, ch->data, len); 1505 } 1506 1507 int 1508 mcd_playtracks(sc, p) 1509 struct mcd_softc *sc; 1510 struct ioc_play_track *p; 1511 { 1512 struct mcd_mbox mbx; 1513 int a = p->start_track; 1514 int z = p->end_track; 1515 int error; 1516 1517 if (sc->debug) 1518 printf("%s: playtracks: from %d:%d to %d:%d\n", 1519 sc->sc_dev.dv_xname, 1520 a, p->start_index, z, p->end_index); 1521 1522 if (a < bcd2bin(sc->volinfo.trk_low) || 1523 a > bcd2bin(sc->volinfo.trk_high) || 1524 a > z || 1525 z < bcd2bin(sc->volinfo.trk_low) || 1526 z > bcd2bin(sc->volinfo.trk_high)) 1527 return EINVAL; 1528 1529 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1530 return error; 1531 1532 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1533 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1534 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1535 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1536 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1537 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1538 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1539 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1540 sc->lastpb = mbx.cmd; 1541 mbx.res.length = 0; 1542 return mcd_send(sc, &mbx, 1); 1543 } 1544 1545 int 1546 mcd_playmsf(sc, p) 1547 struct mcd_softc *sc; 1548 struct ioc_play_msf *p; 1549 { 1550 struct mcd_mbox mbx; 1551 int error; 1552 1553 if (sc->debug) 1554 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1555 sc->sc_dev.dv_xname, 1556 p->start_m, p->start_s, p->start_f, 1557 p->end_m, p->end_s, p->end_f); 1558 1559 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1560 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1561 return EINVAL; 1562 1563 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1564 return error; 1565 1566 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1567 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1568 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1569 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1570 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1571 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1572 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1573 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1574 sc->lastpb = mbx.cmd; 1575 mbx.res.length = 0; 1576 return mcd_send(sc, &mbx, 1); 1577 } 1578 1579 int 1580 mcd_playblocks(sc, p) 1581 struct mcd_softc *sc; 1582 struct ioc_play_blocks *p; 1583 { 1584 struct mcd_mbox mbx; 1585 int error; 1586 1587 if (sc->debug) 1588 printf("%s: playblocks: blkno %d length %d\n", 1589 sc->sc_dev.dv_xname, p->blk, p->len); 1590 1591 if (p->blk > sc->disksize || p->len > sc->disksize || 1592 (p->blk + p->len) > sc->disksize) 1593 return 0; 1594 1595 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1596 return error; 1597 1598 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1599 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1600 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1601 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1602 sc->lastpb = mbx.cmd; 1603 mbx.res.length = 0; 1604 return mcd_send(sc, &mbx, 1); 1605 } 1606 1607 int 1608 mcd_pause(sc) 1609 struct mcd_softc *sc; 1610 { 1611 union mcd_qchninfo q; 1612 int error; 1613 1614 /* Verify current status. */ 1615 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1616 printf("%s: pause: attempted when not playing\n", 1617 sc->sc_dev.dv_xname); 1618 return EINVAL; 1619 } 1620 1621 /* Get the current position. */ 1622 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1623 return error; 1624 1625 /* Copy it into lastpb. */ 1626 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1627 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1628 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1629 1630 /* Stop playing. */ 1631 if ((error = mcd_stop(sc)) != 0) 1632 return error; 1633 1634 /* Set the proper status and exit. */ 1635 sc->audio_status = CD_AS_PLAY_PAUSED; 1636 return 0; 1637 } 1638 1639 int 1640 mcd_resume(sc) 1641 struct mcd_softc *sc; 1642 { 1643 struct mcd_mbox mbx; 1644 int error; 1645 1646 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1647 return EINVAL; 1648 1649 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1650 return error; 1651 1652 mbx.cmd = sc->lastpb; 1653 mbx.res.length = 0; 1654 return mcd_send(sc, &mbx, 1); 1655 } 1656 1657 int 1658 mcd_eject(sc) 1659 struct mcd_softc *sc; 1660 { 1661 struct mcd_mbox mbx; 1662 1663 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1664 mbx.cmd.length = 0; 1665 mbx.res.length = 0; 1666 return mcd_send(sc, &mbx, 0); 1667 } 1668 1669 int 1670 mcd_setlock(sc, mode) 1671 struct mcd_softc *sc; 1672 int mode; 1673 { 1674 struct mcd_mbox mbx; 1675 1676 mbx.cmd.opcode = MCD_CMDSETLOCK; 1677 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1678 mbx.cmd.data.lockmode.mode = mode; 1679 mbx.res.length = 0; 1680 return mcd_send(sc, &mbx, 1); 1681 } 1682
Indexes created Tue Sep 30 10:09:55 GMT 2025