mcd.c revision 1.34
1 /* $NetBSD: mcd.c,v 1.34 1995/04/01 08:45:33 mycroft 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 <i386/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 struct intrhand sc_ih; 112 113 int iobase; 114 int irq, drq; 115 116 char *type; 117 int flags; 118 #define MCDF_LOCKED 0x01 119 #define MCDF_WANTED 0x02 120 #define MCDF_WLABEL 0x04 /* label is writable */ 121 #define MCDF_LABELLING 0x08 /* writing label */ 122 #define MCDF_LOADED 0x10 /* parameters loaded */ 123 short status; 124 short audio_status; 125 int blksize; 126 u_long disksize; 127 struct mcd_volinfo volinfo; 128 union mcd_qchninfo toc[MCD_MAXTOCS]; 129 struct mcd_command lastpb; 130 struct mcd_mbx mbx; 131 int lastmode; 132 #define MCD_MD_UNKNOWN -1 133 int lastupc; 134 #define MCD_UPC_UNKNOWN -1 135 int debug; 136 struct buf buf_queue; 137 }; 138 139 /* prototypes */ 140 int mcdopen __P((dev_t, int, int, struct proc *)); 141 int mcdclose __P((dev_t, int, int)); 142 int mcdioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); 143 int mcdsize __P((dev_t)); 144 145 static int bcd2bin __P((bcd_t)); 146 static bcd_t bin2bcd __P((int)); 147 static void hsg2msf __P((int, bcd_t *)); 148 static daddr_t msf2hsg __P((bcd_t *, int)); 149 150 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 151 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 152 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 153 int mcd_stop __P((struct mcd_softc *)); 154 int mcd_eject __P((struct mcd_softc *)); 155 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 156 int mcd_pause __P((struct mcd_softc *)); 157 int mcd_resume __P((struct mcd_softc *)); 158 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 159 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 160 161 int mcd_getreply __P((struct mcd_softc *)); 162 int mcd_getstat __P((struct mcd_softc *)); 163 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 164 void mcd_setflags __P((struct mcd_softc *)); 165 int mcd_get __P((struct mcd_softc *, char *, int)); 166 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 167 int mcdintr __P((void *)); 168 void mcd_soft_reset __P((struct mcd_softc *)); 169 int mcd_hard_reset __P((struct mcd_softc *)); 170 int mcd_setmode __P((struct mcd_softc *, int)); 171 int mcd_setupc __P((struct mcd_softc *, int)); 172 int mcd_read_toc __P((struct mcd_softc *)); 173 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 174 int mcd_setlock __P((struct mcd_softc *, int)); 175 176 int mcdprobe __P((struct device *, void *, void *)); 177 void mcdattach __P((struct device *, struct device *, void *)); 178 179 struct cfdriver mcdcd = { 180 NULL, "mcd", mcdprobe, mcdattach, DV_DISK, sizeof(struct mcd_softc) 181 }; 182 183 void mcdgetdisklabel __P((struct mcd_softc *)); 184 int mcd_get_parms __P((struct mcd_softc *)); 185 void mcdstrategy __P((struct buf *)); 186 void mcdstart __P((struct mcd_softc *)); 187 188 struct dkdriver mcddkdriver = { mcdstrategy }; 189 190 #define MCD_RETRIES 3 191 #define MCD_RDRETRIES 3 192 193 /* several delays */ 194 #define RDELAY_WAITMODE 300 195 #define RDELAY_WAITREAD 800 196 197 #define DELAY_GRANULARITY 25 /* 25us */ 198 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 199 200 void 201 mcdattach(parent, self, aux) 202 struct device *parent, *self; 203 void *aux; 204 { 205 struct mcd_softc *sc = (void *)self; 206 struct isa_attach_args *ia = aux; 207 struct mcd_mbox mbx; 208 209 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 210 211 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 212 213 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 214 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 215 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 216 mbx.cmd.data.config.data1 = 0x01; 217 mbx.res.length = 0; 218 (void) mcd_send(sc, &mbx, 0); 219 220 mcd_soft_reset(sc); 221 222 sc->sc_dk.dk_driver = &mcddkdriver; 223 224 sc->sc_ih.ih_fun = mcdintr; 225 sc->sc_ih.ih_arg = sc; 226 sc->sc_ih.ih_level = IPL_BIO; 227 intr_establish(ia->ia_irq, IST_EDGE, &sc->sc_ih); 228 } 229 230 /* 231 * Wait interruptibly for an exclusive lock. 232 * 233 * XXX 234 * Several drivers do this; it should be abstracted and made MP-safe. 235 */ 236 int 237 mcdlock(sc) 238 struct mcd_softc *sc; 239 { 240 int error; 241 242 while ((sc->flags & MCDF_LOCKED) != 0) { 243 sc->flags |= MCDF_WANTED; 244 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 245 return error; 246 } 247 sc->flags |= MCDF_LOCKED; 248 return 0; 249 } 250 251 /* 252 * Unlock and wake up any waiters. 253 */ 254 void 255 mcdunlock(sc) 256 struct mcd_softc *sc; 257 { 258 259 sc->flags &= ~MCDF_LOCKED; 260 if ((sc->flags & MCDF_WANTED) != 0) { 261 sc->flags &= ~MCDF_WANTED; 262 wakeup(sc); 263 } 264 } 265 266 int 267 mcdopen(dev, flag, fmt, p) 268 dev_t dev; 269 int flag, fmt; 270 struct proc *p; 271 { 272 int error; 273 int unit, part; 274 struct mcd_softc *sc; 275 276 unit = MCDUNIT(dev); 277 if (unit >= mcdcd.cd_ndevs) 278 return ENXIO; 279 sc = mcdcd.cd_devs[unit]; 280 if (!sc) 281 return ENXIO; 282 283 if (error = mcdlock(sc)) 284 return error; 285 286 if (sc->sc_dk.dk_openmask != 0) { 287 /* 288 * If any partition is open, but the disk has been invalidated, 289 * disallow further opens. 290 */ 291 if ((sc->flags & MCDF_LOADED) == 0) 292 return ENXIO; 293 } else { 294 /* 295 * Lock the drawer. This will also notice any pending disk 296 * change or door open indicator and clear the MCDF_LOADED bit 297 * if necessary. 298 */ 299 (void) mcd_setlock(sc, MCD_LK_LOCK); 300 301 if ((sc->flags & MCDF_LOADED) == 0) { 302 /* Partially reset the state. */ 303 sc->lastmode = MCD_MD_UNKNOWN; 304 sc->lastupc = MCD_UPC_UNKNOWN; 305 306 sc->flags |= MCDF_LOADED; 307 308 /* Set the mode, causing the disk to spin up. */ 309 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 310 goto bad2; 311 312 /* Load the physical device parameters. */ 313 if (mcd_get_parms(sc) != 0) { 314 error = ENXIO; 315 goto bad2; 316 } 317 318 /* Read the table of contents. */ 319 if ((error = mcd_read_toc(sc)) != 0) 320 goto bad2; 321 322 /* Fabricate a disk label. */ 323 mcdgetdisklabel(sc); 324 } 325 } 326 327 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 328 sc->disksize, sc->blksize, 0); 329 330 part = MCDPART(dev); 331 332 /* Check that the partition exists. */ 333 if (part != RAW_PART && 334 (part >= sc->sc_dk.dk_label.d_npartitions || 335 sc->sc_dk.dk_label.d_partitions[part].p_fstype == FS_UNUSED)) { 336 error = ENXIO; 337 goto bad; 338 } 339 340 /* Insure only one open at a time. */ 341 switch (fmt) { 342 case S_IFCHR: 343 sc->sc_dk.dk_copenmask |= (1 << part); 344 break; 345 case S_IFBLK: 346 sc->sc_dk.dk_bopenmask |= (1 << part); 347 break; 348 } 349 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 350 351 mcdunlock(sc); 352 return 0; 353 354 bad2: 355 sc->flags &= ~MCDF_LOADED; 356 357 bad: 358 if (sc->sc_dk.dk_openmask == 0) { 359 #if 0 360 (void) mcd_setmode(sc, MCD_MD_SLEEP); 361 #endif 362 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 363 } 364 365 mcdunlock(sc); 366 return error; 367 } 368 369 int 370 mcdclose(dev, flag, fmt) 371 dev_t dev; 372 int flag, fmt; 373 { 374 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 375 int part = MCDPART(dev); 376 int error; 377 378 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 379 380 if (error = mcdlock(sc)) 381 return error; 382 383 switch (fmt) { 384 case S_IFCHR: 385 sc->sc_dk.dk_copenmask &= ~(1 << part); 386 break; 387 case S_IFBLK: 388 sc->sc_dk.dk_bopenmask &= ~(1 << part); 389 break; 390 } 391 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 392 393 if (sc->sc_dk.dk_openmask == 0) { 394 /* XXXX Must wait for I/O to complete! */ 395 396 #if 0 397 (void) mcd_setmode(sc, MCD_MD_SLEEP); 398 #endif 399 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 400 } 401 402 mcdunlock(sc); 403 return 0; 404 } 405 406 void 407 mcdstrategy(bp) 408 struct buf *bp; 409 { 410 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 411 int s; 412 413 /* Test validity. */ 414 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 415 bp->b_blkno, bp->b_bcount, 0); 416 if (bp->b_blkno < 0 || 417 (bp->b_bcount % sc->blksize) != 0) { 418 printf("%s: strategy: blkno = %d bcount = %d\n", 419 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 420 bp->b_error = EINVAL; 421 goto bad; 422 } 423 424 /* If device invalidated (e.g. media change, door open), error. */ 425 if ((sc->flags & MCDF_LOADED) == 0) { 426 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 427 bp->b_error = EIO; 428 goto bad; 429 } 430 431 /* No data to read. */ 432 if (bp->b_bcount == 0) 433 goto done; 434 435 /* 436 * Do bounds checking, adjust transfer. if error, process. 437 * If end of partition, just return. 438 */ 439 if (bounds_check_with_label(bp, &sc->sc_dk.dk_label, 440 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 441 goto done; 442 443 /* Queue it. */ 444 s = splbio(); 445 disksort(&sc->buf_queue, bp); 446 splx(s); 447 if (!sc->buf_queue.b_active) 448 mcdstart(sc); 449 return; 450 451 bad: 452 bp->b_flags |= B_ERROR; 453 done: 454 bp->b_resid = bp->b_bcount; 455 biodone(bp); 456 } 457 458 void 459 mcdstart(sc) 460 struct mcd_softc *sc; 461 { 462 struct buf *bp, *dp = &sc->buf_queue; 463 int s; 464 465 loop: 466 s = splbio(); 467 468 bp = dp->b_actf; 469 if (bp == NULL) { 470 /* Nothing to do. */ 471 dp->b_active = 0; 472 splx(s); 473 return; 474 } 475 476 /* Block found to process; dequeue. */ 477 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 478 dp->b_actf = bp->b_actf; 479 splx(s); 480 481 /* Changed media? */ 482 if ((sc->flags & MCDF_LOADED) == 0) { 483 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 484 bp->b_error = EIO; 485 bp->b_flags |= B_ERROR; 486 biodone(bp); 487 goto loop; 488 } 489 490 dp->b_active = 1; 491 492 sc->mbx.retry = MCD_RDRETRIES; 493 sc->mbx.bp = bp; 494 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 495 if (MCDPART(bp->b_dev) != RAW_PART) { 496 struct partition *p; 497 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 498 sc->mbx.blkno += p->p_offset; 499 } 500 sc->mbx.nblk = bp->b_bcount / sc->blksize; 501 sc->mbx.sz = sc->blksize; 502 sc->mbx.skip = 0; 503 sc->mbx.state = MCD_S_BEGIN; 504 sc->mbx.mode = MCD_MD_COOKED; 505 506 s = splbio(); 507 (void) mcdintr(sc); 508 splx(s); 509 } 510 511 int 512 mcdioctl(dev, cmd, addr, flag, p) 513 dev_t dev; 514 u_long cmd; 515 caddr_t addr; 516 int flag; 517 struct proc *p; 518 { 519 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 520 int error; 521 522 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 523 524 if ((sc->flags & MCDF_LOADED) == 0) 525 return EIO; 526 527 switch (cmd) { 528 case DIOCGDINFO: 529 *(struct disklabel *)addr = sc->sc_dk.dk_label; 530 return 0; 531 532 case DIOCGPART: 533 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 534 ((struct partinfo *)addr)->part = 535 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 536 return 0; 537 538 case DIOCWDINFO: 539 case DIOCSDINFO: 540 if ((flag & FWRITE) == 0) 541 return EBADF; 542 543 if (error = mcdlock(sc)) 544 return error; 545 sc->flags |= MCDF_LABELLING; 546 547 error = setdisklabel(&sc->sc_dk.dk_label, 548 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 549 &sc->sc_dk.dk_cpulabel); 550 if (error == 0) { 551 } 552 553 sc->flags &= ~MCDF_LABELLING; 554 mcdunlock(sc); 555 return error; 556 557 case DIOCWLABEL: 558 return EBADF; 559 560 case CDIOCPLAYTRACKS: 561 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 562 case CDIOCPLAYMSF: 563 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 564 case CDIOCPLAYBLOCKS: 565 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 566 case CDIOCREADSUBCHANNEL: 567 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 568 case CDIOREADTOCHEADER: 569 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 570 case CDIOREADTOCENTRYS: 571 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 572 case CDIOCSETPATCH: 573 case CDIOCGETVOL: 574 case CDIOCSETVOL: 575 case CDIOCSETMONO: 576 case CDIOCSETSTEREO: 577 case CDIOCSETMUTE: 578 case CDIOCSETLEFT: 579 case CDIOCSETRIGHT: 580 return EINVAL; 581 case CDIOCRESUME: 582 return mcd_resume(sc); 583 case CDIOCPAUSE: 584 return mcd_pause(sc); 585 case CDIOCSTART: 586 return EINVAL; 587 case CDIOCSTOP: 588 return mcd_stop(sc); 589 case CDIOCEJECT: 590 return mcd_eject(sc); 591 case CDIOCALLOW: 592 return mcd_setlock(sc, MCD_LK_UNLOCK); 593 case CDIOCPREVENT: 594 return mcd_setlock(sc, MCD_LK_LOCK); 595 case CDIOCSETDEBUG: 596 sc->debug = 1; 597 return 0; 598 case CDIOCCLRDEBUG: 599 sc->debug = 0; 600 return 0; 601 case CDIOCRESET: 602 return mcd_hard_reset(sc); 603 604 default: 605 return ENOTTY; 606 } 607 608 #ifdef DIAGNOSTIC 609 panic("mcdioctl: impossible"); 610 #endif 611 } 612 613 /* 614 * This could have been taken from scsi/cd.c, but it is not clear 615 * whether the scsi cd driver is linked in. 616 */ 617 void 618 mcdgetdisklabel(sc) 619 struct mcd_softc *sc; 620 { 621 622 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 623 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 624 625 sc->sc_dk.dk_label.d_secsize = sc->blksize; 626 sc->sc_dk.dk_label.d_ntracks = 1; 627 sc->sc_dk.dk_label.d_nsectors = 100; 628 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 629 sc->sc_dk.dk_label.d_secpercyl = 630 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 631 632 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 633 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 634 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 635 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 636 sc->sc_dk.dk_label.d_rpm = 300; 637 sc->sc_dk.dk_label.d_interleave = 1; 638 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 639 640 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 641 sc->sc_dk.dk_label.d_partitions[0].p_size = 642 sc->sc_dk.dk_label.d_secperunit * 643 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 644 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 645 sc->sc_dk.dk_label.d_npartitions = 1; 646 647 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 648 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 649 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 650 } 651 652 int 653 mcd_get_parms(sc) 654 struct mcd_softc *sc; 655 { 656 struct mcd_mbox mbx; 657 daddr_t size; 658 int error; 659 660 /* Send volume info command. */ 661 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 662 mbx.cmd.length = 0; 663 mbx.res.length = sizeof(mbx.res.data.volinfo); 664 if ((error = mcd_send(sc, &mbx, 1)) != 0) 665 return error; 666 667 if (mbx.res.data.volinfo.trk_low == 0x00 && 668 mbx.res.data.volinfo.trk_high == 0x00) 669 return EINVAL; 670 671 /* Volinfo is OK. */ 672 sc->volinfo = mbx.res.data.volinfo; 673 sc->blksize = MCD_BLKSIZE_COOKED; 674 size = msf2hsg(sc->volinfo.vol_msf, 0); 675 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 676 return 0; 677 } 678 679 int 680 mcdsize(dev) 681 dev_t dev; 682 { 683 684 /* CD-ROMs are read-only. */ 685 return -1; 686 } 687 688 int 689 mcddump() 690 { 691 692 /* Not implemented. */ 693 return EINVAL; 694 } 695 696 int 697 mcdprobe(parent, match, aux) 698 struct device *parent; 699 void *match, *aux; 700 { 701 struct mcd_softc *sc = match; 702 struct isa_attach_args *ia = aux; 703 int iobase = ia->ia_iobase; 704 int i; 705 struct mcd_mbox mbx; 706 707 sc->iobase = iobase; 708 709 /* Send a reset. */ 710 outb(iobase + MCD_RESET, 0); 711 delay(1000000); 712 /* Get any pending status and throw away. */ 713 for (i = 10; i; i--) 714 inb(iobase + MCD_STATUS); 715 delay(1000); 716 717 /* Send get status command. */ 718 mbx.cmd.opcode = MCD_CMDGETSTAT; 719 mbx.cmd.length = 0; 720 mbx.res.length = 0; 721 if (mcd_send(sc, &mbx, 0) != 0) 722 return 0; 723 724 /* Get info about the drive. */ 725 mbx.cmd.opcode = MCD_CMDCONTINFO; 726 mbx.cmd.length = 0; 727 mbx.res.length = sizeof(mbx.res.data.continfo); 728 if (mcd_send(sc, &mbx, 0) != 0) 729 return 0; 730 731 /* 732 * The following is code which is not guaranteed to work for all 733 * drives, because the meaning of the expected 'M' is not clear 734 * (M_itsumi is an obvious assumption, but I don't trust that). 735 * Also, the original hack had a bogus condition that always 736 * returned true. 737 * 738 * Note: Which models support interrupts? >=LU005S? 739 */ 740 switch (mbx.res.data.continfo.code) { 741 case 'M': 742 if (mbx.res.data.continfo.version <= 2) 743 sc->type = "LU002S"; 744 else if (mbx.res.data.continfo.version <= 5) 745 sc->type = "LU005S"; 746 else 747 sc->type = "LU006S"; 748 break; 749 case 'F': 750 sc->type = "FX001"; 751 break; 752 case 'D': 753 sc->type = "FX001D"; 754 break; 755 default: 756 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 757 sc->sc_dev.dv_xname, 758 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 759 sc->type = 0; 760 break; 761 } 762 763 ia->ia_iosize = 4; 764 ia->ia_msize = 0; 765 return 1; 766 } 767 768 int 769 mcd_getreply(sc) 770 struct mcd_softc *sc; 771 { 772 int iobase = sc->iobase; 773 int i; 774 775 /* Wait until xfer port senses data ready. */ 776 for (i = DELAY_GETREPLY; i; i--) { 777 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 778 break; 779 delay(DELAY_GRANULARITY); 780 } 781 if (!i) 782 return -1; 783 784 /* Get the data. */ 785 return inb(iobase + MCD_STATUS); 786 } 787 788 int 789 mcd_getstat(sc) 790 struct mcd_softc *sc; 791 { 792 struct mcd_mbox mbx; 793 794 mbx.cmd.opcode = MCD_CMDGETSTAT; 795 mbx.cmd.length = 0; 796 mbx.res.length = 0; 797 return mcd_send(sc, &mbx, 1); 798 } 799 800 int 801 mcd_getresult(sc, res) 802 struct mcd_softc *sc; 803 struct mcd_result *res; 804 { 805 int i, x; 806 807 if (sc->debug) 808 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 809 res->length); 810 811 if ((x = mcd_getreply(sc)) < 0) { 812 if (sc->debug) 813 printf(" timeout\n"); 814 else 815 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 816 return EIO; 817 } 818 if (sc->debug) 819 printf(" %02x", (u_int)x); 820 sc->status = x; 821 mcd_setflags(sc); 822 823 if ((sc->status & MCD_ST_CMDCHECK) != 0) 824 return EINVAL; 825 826 for (i = 0; i < res->length; i++) { 827 if ((x = mcd_getreply(sc)) < 0) { 828 if (sc->debug) 829 printf(" timeout\n"); 830 else 831 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 832 return EIO; 833 } 834 if (sc->debug) 835 printf(" %02x", (u_int)x); 836 res->data.raw.data[i] = x; 837 } 838 839 if (sc->debug) 840 printf(" succeeded\n"); 841 842 #if 1 843 delay(10); 844 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 845 x = inb(sc->iobase + MCD_STATUS); 846 printf("%s: got extra byte %02x during getstatus\n", 847 sc->sc_dev.dv_xname, (u_int)x); 848 delay(10); 849 } 850 #endif 851 852 return 0; 853 } 854 855 void 856 mcd_setflags(sc) 857 struct mcd_softc *sc; 858 { 859 860 /* Check flags. */ 861 if ((sc->flags & MCDF_LOADED) != 0 && 862 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 863 MCD_ST_DSKIN) { 864 if ((sc->status & MCD_ST_DOOROPEN) != 0) 865 printf("%s: door open\n", sc->sc_dev.dv_xname); 866 else if ((sc->status & MCD_ST_DSKIN) == 0) 867 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 868 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 869 printf("%s: media change\n", sc->sc_dev.dv_xname); 870 sc->flags &= ~MCDF_LOADED; 871 } 872 873 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 874 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 875 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 876 sc->audio_status == CD_AS_AUDIO_INVALID) 877 sc->audio_status = CD_AS_PLAY_COMPLETED; 878 } 879 880 int 881 mcd_send(sc, mbx, diskin) 882 struct mcd_softc *sc; 883 struct mcd_mbox *mbx; 884 int diskin; 885 { 886 int iobase = sc->iobase; 887 int retry, i, error; 888 889 if (sc->debug) { 890 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 891 mbx->cmd.length, (u_int)mbx->cmd.opcode); 892 for (i = 0; i < mbx->cmd.length; i++) 893 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 894 printf("\n"); 895 } 896 897 for (retry = MCD_RETRIES; retry; retry--) { 898 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 899 for (i = 0; i < mbx->cmd.length; i++) 900 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 901 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 902 break; 903 if (error == EINVAL) 904 return error; 905 } 906 if (!retry) 907 return error; 908 if (diskin && (sc->flags & MCDF_LOADED) == 0) 909 return EIO; 910 911 return 0; 912 } 913 914 static int 915 bcd2bin(b) 916 bcd_t b; 917 { 918 919 return (b >> 4) * 10 + (b & 15); 920 } 921 922 static bcd_t 923 bin2bcd(b) 924 int b; 925 { 926 927 return ((b / 10) << 4) | (b % 10); 928 } 929 930 static void 931 hsg2msf(hsg, msf) 932 int hsg; 933 bcd_t *msf; 934 { 935 936 hsg += 150; 937 F_msf(msf) = bin2bcd(hsg % 75); 938 hsg /= 75; 939 S_msf(msf) = bin2bcd(hsg % 60); 940 hsg /= 60; 941 M_msf(msf) = bin2bcd(hsg); 942 } 943 944 static daddr_t 945 msf2hsg(msf, relative) 946 bcd_t *msf; 947 int relative; 948 { 949 daddr_t blkno; 950 951 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 952 bcd2bin(S_msf(msf)) * 75 + 953 bcd2bin(F_msf(msf)); 954 if (!relative) 955 blkno -= 150; 956 return blkno; 957 } 958 959 void 960 mcd_pseudointr(sc) 961 struct mcd_softc *sc; 962 { 963 int s; 964 965 s = splbio(); 966 (void) mcdintr(sc); 967 splx(s); 968 } 969 970 /* 971 * State machine to process read requests. 972 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 973 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 974 * MCD_S_WAITREAD: wait for read ready, read data. 975 */ 976 int 977 mcdintr(arg) 978 void *arg; 979 { 980 struct mcd_softc *sc = arg; 981 struct mcd_mbx *mbx = &sc->mbx; 982 int iobase = sc->iobase; 983 struct buf *bp = mbx->bp; 984 985 int i; 986 u_char x; 987 bcd_t msf[3]; 988 989 switch (mbx->state) { 990 case MCD_S_IDLE: 991 return 0; 992 993 case MCD_S_BEGIN: 994 tryagain: 995 if (mbx->mode == sc->lastmode) 996 goto firstblock; 997 998 sc->lastmode = MCD_MD_UNKNOWN; 999 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1000 outb(iobase + MCD_COMMAND, mbx->mode); 1001 1002 mbx->count = RDELAY_WAITMODE; 1003 mbx->state = MCD_S_WAITMODE; 1004 1005 case MCD_S_WAITMODE: 1006 untimeout(mcd_pseudointr, sc); 1007 for (i = 20; i; i--) { 1008 x = inb(iobase + MCD_XFER); 1009 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1010 break; 1011 delay(50); 1012 } 1013 if (i == 0) 1014 goto hold; 1015 sc->status = inb(iobase + MCD_STATUS); 1016 mcd_setflags(sc); 1017 if ((sc->flags & MCDF_LOADED) == 0) 1018 goto changed; 1019 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1020 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1021 1022 sc->lastmode = mbx->mode; 1023 1024 firstblock: 1025 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1026 bp, 0, 0); 1027 1028 /* Build parameter block. */ 1029 hsg2msf(mbx->blkno, msf); 1030 1031 /* Send the read command. */ 1032 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1033 outb(iobase + MCD_COMMAND, msf[0]); 1034 outb(iobase + MCD_COMMAND, msf[1]); 1035 outb(iobase + MCD_COMMAND, msf[2]); 1036 outb(iobase + MCD_COMMAND, 0); 1037 outb(iobase + MCD_COMMAND, 0); 1038 outb(iobase + MCD_COMMAND, mbx->nblk); 1039 1040 mbx->count = RDELAY_WAITREAD; 1041 mbx->state = MCD_S_WAITREAD; 1042 1043 case MCD_S_WAITREAD: 1044 untimeout(mcd_pseudointr, sc); 1045 nextblock: 1046 loop: 1047 for (i = 20; i; i--) { 1048 x = inb(iobase + MCD_XFER); 1049 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1050 goto gotblock; 1051 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1052 break; 1053 delay(50); 1054 } 1055 if (i == 0) 1056 goto hold; 1057 sc->status = inb(iobase + MCD_STATUS); 1058 mcd_setflags(sc); 1059 if ((sc->flags & MCDF_LOADED) == 0) 1060 goto changed; 1061 #if 0 1062 printf("%s: got status byte %02x during read\n", 1063 sc->sc_dev.dv_xname, (u_int)sc->status); 1064 #endif 1065 goto loop; 1066 1067 gotblock: 1068 MCD_TRACE("doread: got data delay=%d\n", 1069 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1070 1071 /* Data is ready. */ 1072 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1073 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1074 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1075 mbx->blkno += 1; 1076 mbx->skip += mbx->sz; 1077 if (--mbx->nblk > 0) 1078 goto nextblock; 1079 1080 mbx->state = MCD_S_IDLE; 1081 1082 /* Return buffer. */ 1083 bp->b_resid = 0; 1084 biodone(bp); 1085 1086 mcdstart(sc); 1087 return 1; 1088 1089 hold: 1090 if (mbx->count-- < 0) { 1091 printf("%s: timeout in state %d", 1092 sc->sc_dev.dv_xname, mbx->state); 1093 goto readerr; 1094 } 1095 1096 #if 0 1097 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1098 mbx->state); 1099 #endif 1100 timeout(mcd_pseudointr, sc, hz / 100); 1101 return -1; 1102 } 1103 1104 readerr: 1105 if (mbx->retry-- > 0) { 1106 printf("; retrying\n"); 1107 goto tryagain; 1108 } else 1109 printf("; giving up\n"); 1110 1111 changed: 1112 harderr: 1113 /* Invalidate the buffer. */ 1114 bp->b_flags |= B_ERROR; 1115 bp->b_resid = bp->b_bcount - mbx->skip; 1116 biodone(bp); 1117 1118 mcdstart(sc); 1119 return -1; 1120 1121 #ifdef notyet 1122 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1123 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1124 delay(300000); 1125 (void) mcd_getstat(sc, 1); 1126 (void) mcd_getstat(sc, 1); 1127 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1128 sc->debug = 1; /* preventive set debug mode */ 1129 #endif 1130 } 1131 1132 void 1133 mcd_soft_reset(sc) 1134 struct mcd_softc *sc; 1135 { 1136 1137 sc->debug = 0; 1138 sc->flags = 0; 1139 sc->lastmode = MCD_MD_UNKNOWN; 1140 sc->lastupc = MCD_UPC_UNKNOWN; 1141 sc->audio_status = CD_AS_AUDIO_INVALID; 1142 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1143 } 1144 1145 int 1146 mcd_hard_reset(sc) 1147 struct mcd_softc *sc; 1148 { 1149 struct mcd_mbox mbx; 1150 1151 mcd_soft_reset(sc); 1152 1153 mbx.cmd.opcode = MCD_CMDRESET; 1154 mbx.cmd.length = 0; 1155 mbx.res.length = 0; 1156 return mcd_send(sc, &mbx, 0); 1157 } 1158 1159 int 1160 mcd_setmode(sc, mode) 1161 struct mcd_softc *sc; 1162 int mode; 1163 { 1164 struct mcd_mbox mbx; 1165 int error; 1166 1167 if (sc->lastmode == mode) 1168 return 0; 1169 if (sc->debug) 1170 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1171 sc->lastmode = MCD_MD_UNKNOWN; 1172 1173 mbx.cmd.opcode = MCD_CMDSETMODE; 1174 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1175 mbx.cmd.data.datamode.mode = mode; 1176 mbx.res.length = 0; 1177 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1178 return error; 1179 1180 sc->lastmode = mode; 1181 return 0; 1182 } 1183 1184 int 1185 mcd_setupc(sc, upc) 1186 struct mcd_softc *sc; 1187 int upc; 1188 { 1189 struct mcd_mbox mbx; 1190 int error; 1191 1192 if (sc->lastupc == upc) 1193 return 0; 1194 if (sc->debug) 1195 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1196 sc->lastupc = MCD_UPC_UNKNOWN; 1197 1198 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1199 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1200 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1201 mbx.cmd.data.config.data1 = upc; 1202 mbx.res.length = 0; 1203 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1204 return error; 1205 1206 sc->lastupc = upc; 1207 return 0; 1208 } 1209 1210 int 1211 mcd_toc_header(sc, th) 1212 struct mcd_softc *sc; 1213 struct ioc_toc_header *th; 1214 { 1215 1216 if (sc->debug) 1217 printf("%s: mcd_toc_header: reading toc header\n", 1218 sc->sc_dev.dv_xname); 1219 1220 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1221 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1222 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1223 1224 return 0; 1225 } 1226 1227 int 1228 mcd_read_toc(sc) 1229 struct mcd_softc *sc; 1230 { 1231 struct ioc_toc_header th; 1232 union mcd_qchninfo q; 1233 int error, trk, idx, retry; 1234 1235 if ((error = mcd_toc_header(sc, &th)) != 0) 1236 return error; 1237 1238 if ((error = mcd_stop(sc)) != 0) 1239 return error; 1240 1241 if (sc->debug) 1242 printf("%s: read_toc: reading qchannel info\n", 1243 sc->sc_dev.dv_xname); 1244 1245 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1246 sc->toc[trk].toc.idx_no = 0x00; 1247 trk = th.ending_track - th.starting_track + 1; 1248 for (retry = 300; retry && trk > 0; retry--) { 1249 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1250 break; 1251 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1252 continue; 1253 idx = bcd2bin(q.toc.idx_no); 1254 if (idx < MCD_MAXTOCS && 1255 sc->toc[idx].toc.idx_no == 0x00) { 1256 sc->toc[idx] = q; 1257 trk--; 1258 } 1259 } 1260 1261 /* Inform the drive that we're finished so it turns off the light. */ 1262 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1263 return error; 1264 1265 if (trk != 0) 1266 return EINVAL; 1267 1268 /* Add a fake last+1 for mcd_playtracks(). */ 1269 idx = th.ending_track + 1; 1270 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1271 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1272 sc->toc[idx].toc.trk_no = 0x00; 1273 sc->toc[idx].toc.idx_no = 0xaa; 1274 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1275 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1276 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1277 1278 return 0; 1279 } 1280 1281 int 1282 mcd_toc_entries(sc, te) 1283 struct mcd_softc *sc; 1284 struct ioc_read_toc_entry *te; 1285 { 1286 int len = te->data_len; 1287 struct ret_toc { 1288 struct ioc_toc_header header; 1289 struct cd_toc_entry entries[MCD_MAXTOCS]; 1290 } data; 1291 u_char trk; 1292 daddr_t lba; 1293 int error, n; 1294 1295 if (len > sizeof(data.entries) || 1296 len < sizeof(struct cd_toc_entry)) 1297 return EINVAL; 1298 if (te->address_format != CD_MSF_FORMAT && 1299 te->address_format != CD_LBA_FORMAT) 1300 return EINVAL; 1301 1302 /* Copy the TOC header. */ 1303 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1304 return error; 1305 1306 /* Verify starting track. */ 1307 trk = te->starting_track; 1308 if (trk == 0x00) 1309 trk = data.header.starting_track; 1310 else if (trk == 0xaa) 1311 trk = data.header.ending_track + 1; 1312 else if (trk < data.header.starting_track || 1313 trk > data.header.ending_track + 1) 1314 return EINVAL; 1315 1316 /* Copy the TOC data. */ 1317 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1318 if (sc->toc[trk].toc.idx_no == 0x00) 1319 continue; 1320 data.entries[n].control = sc->toc[trk].toc.control; 1321 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1322 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1323 switch (te->address_format) { 1324 case CD_MSF_FORMAT: 1325 data.entries[n].addr[0] = 0; 1326 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1327 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1328 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1329 break; 1330 case CD_LBA_FORMAT: 1331 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1332 data.entries[n].addr[0] = lba >> 24; 1333 data.entries[n].addr[1] = lba >> 16; 1334 data.entries[n].addr[2] = lba >> 8; 1335 data.entries[n].addr[3] = lba; 1336 break; 1337 } 1338 n++; 1339 } 1340 1341 len = min(len, n * sizeof(struct cd_toc_entry)); 1342 1343 /* Copy the data back. */ 1344 return copyout(&data.entries[0], te->data, len); 1345 } 1346 1347 int 1348 mcd_stop(sc) 1349 struct mcd_softc *sc; 1350 { 1351 struct mcd_mbox mbx; 1352 int error; 1353 1354 if (sc->debug) 1355 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1356 1357 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1358 mbx.cmd.length = 0; 1359 mbx.res.length = 0; 1360 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1361 return error; 1362 1363 sc->audio_status = CD_AS_PLAY_COMPLETED; 1364 return 0; 1365 } 1366 1367 int 1368 mcd_getqchan(sc, q, qchn) 1369 struct mcd_softc *sc; 1370 union mcd_qchninfo *q; 1371 int qchn; 1372 { 1373 struct mcd_mbox mbx; 1374 int error; 1375 1376 if (qchn == CD_TRACK_INFO) { 1377 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1378 return error; 1379 } else { 1380 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1381 return error; 1382 } 1383 if (qchn == CD_MEDIA_CATALOG) { 1384 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1385 return error; 1386 } else { 1387 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1388 return error; 1389 } 1390 1391 mbx.cmd.opcode = MCD_CMDGETQCHN; 1392 mbx.cmd.length = 0; 1393 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1394 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1395 return error; 1396 1397 *q = mbx.res.data.qchninfo; 1398 return 0; 1399 } 1400 1401 int 1402 mcd_read_subchannel(sc, ch) 1403 struct mcd_softc *sc; 1404 struct ioc_read_subchannel *ch; 1405 { 1406 int len = ch->data_len; 1407 union mcd_qchninfo q; 1408 struct cd_sub_channel_info data; 1409 daddr_t lba; 1410 int error; 1411 1412 if (sc->debug) 1413 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1414 ch->address_format, ch->data_format); 1415 1416 if (len > sizeof(data) || 1417 len < sizeof(struct cd_sub_channel_header)) 1418 return EINVAL; 1419 if (ch->address_format != CD_MSF_FORMAT && 1420 ch->address_format != CD_LBA_FORMAT) 1421 return EINVAL; 1422 if (ch->data_format != CD_CURRENT_POSITION && 1423 ch->data_format != CD_MEDIA_CATALOG) 1424 return EINVAL; 1425 1426 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1427 return error; 1428 1429 data.header.audio_status = sc->audio_status; 1430 data.what.media_catalog.data_format = ch->data_format; 1431 1432 switch (ch->data_format) { 1433 case CD_MEDIA_CATALOG: 1434 data.what.media_catalog.mc_valid = 1; 1435 #if 0 1436 data.what.media_catalog.mc_number = 1437 #endif 1438 break; 1439 1440 case CD_CURRENT_POSITION: 1441 data.what.position.track_number = bcd2bin(q.current.trk_no); 1442 data.what.position.index_number = bcd2bin(q.current.idx_no); 1443 switch (ch->address_format) { 1444 case CD_MSF_FORMAT: 1445 data.what.position.reladdr[0] = 0; 1446 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1447 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1448 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1449 data.what.position.absaddr[0] = 0; 1450 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1451 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1452 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1453 break; 1454 case CD_LBA_FORMAT: 1455 lba = msf2hsg(q.current.relative_pos, 1); 1456 /* 1457 * Pre-gap has index number of 0, and decreasing MSF 1458 * address. Must be converted to negative LBA, per 1459 * SCSI spec. 1460 */ 1461 if (data.what.position.index_number == 0x00) 1462 lba = -lba; 1463 data.what.position.reladdr[0] = lba >> 24; 1464 data.what.position.reladdr[1] = lba >> 16; 1465 data.what.position.reladdr[2] = lba >> 8; 1466 data.what.position.reladdr[3] = lba; 1467 lba = msf2hsg(q.current.absolute_pos, 0); 1468 data.what.position.absaddr[0] = lba >> 24; 1469 data.what.position.absaddr[1] = lba >> 16; 1470 data.what.position.absaddr[2] = lba >> 8; 1471 data.what.position.absaddr[3] = lba; 1472 break; 1473 } 1474 break; 1475 } 1476 1477 return copyout(&data, ch->data, len); 1478 } 1479 1480 int 1481 mcd_playtracks(sc, p) 1482 struct mcd_softc *sc; 1483 struct ioc_play_track *p; 1484 { 1485 struct mcd_mbox mbx; 1486 int a = p->start_track; 1487 int z = p->end_track; 1488 int error; 1489 1490 if (sc->debug) 1491 printf("%s: playtracks: from %d:%d to %d:%d\n", 1492 sc->sc_dev.dv_xname, 1493 a, p->start_index, z, p->end_index); 1494 1495 if (a < bcd2bin(sc->volinfo.trk_low) || 1496 a > bcd2bin(sc->volinfo.trk_high) || 1497 a > z || 1498 z < bcd2bin(sc->volinfo.trk_low) || 1499 z > bcd2bin(sc->volinfo.trk_high)) 1500 return EINVAL; 1501 1502 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1503 return error; 1504 1505 mbx.cmd.opcode = MCD_CMDREAD2; 1506 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1507 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1508 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1509 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1510 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1511 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1512 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1513 sc->lastpb = mbx.cmd; 1514 mbx.res.length = 0; 1515 return mcd_send(sc, &mbx, 1); 1516 } 1517 1518 int 1519 mcd_playmsf(sc, p) 1520 struct mcd_softc *sc; 1521 struct ioc_play_msf *p; 1522 { 1523 struct mcd_mbox mbx; 1524 int error; 1525 1526 if (sc->debug) 1527 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1528 sc->sc_dev.dv_xname, 1529 p->start_m, p->start_s, p->start_f, 1530 p->end_m, p->end_s, p->end_f); 1531 1532 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1533 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1534 return EINVAL; 1535 1536 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1537 return error; 1538 1539 mbx.cmd.opcode = MCD_CMDREAD2; 1540 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1541 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1542 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1543 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1544 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1545 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1546 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1547 sc->lastpb = mbx.cmd; 1548 mbx.res.length = 0; 1549 return mcd_send(sc, &mbx, 1); 1550 } 1551 1552 int 1553 mcd_playblocks(sc, p) 1554 struct mcd_softc *sc; 1555 struct ioc_play_blocks *p; 1556 { 1557 struct mcd_mbox mbx; 1558 int error; 1559 1560 if (sc->debug) 1561 printf("%s: playblocks: blkno %d length %d\n", 1562 sc->sc_dev.dv_xname, p->blk, p->len); 1563 1564 if (p->blk > sc->disksize || p->len > sc->disksize || 1565 (p->blk + p->len) > sc->disksize) 1566 return 0; 1567 1568 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1569 return error; 1570 1571 mbx.cmd.opcode = MCD_CMDREAD2; 1572 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1573 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1574 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1575 sc->lastpb = mbx.cmd; 1576 mbx.res.length = 0; 1577 return mcd_send(sc, &mbx, 1); 1578 } 1579 1580 int 1581 mcd_pause(sc) 1582 struct mcd_softc *sc; 1583 { 1584 union mcd_qchninfo q; 1585 int error; 1586 1587 /* Verify current status. */ 1588 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1589 printf("%s: pause: attempted when not playing\n", 1590 sc->sc_dev.dv_xname); 1591 return EINVAL; 1592 } 1593 1594 /* Get the current position. */ 1595 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1596 return error; 1597 1598 /* Copy it into lastpb. */ 1599 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1600 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1601 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1602 1603 /* Stop playing. */ 1604 if ((error = mcd_stop(sc)) != 0) 1605 return error; 1606 1607 /* Set the proper status and exit. */ 1608 sc->audio_status = CD_AS_PLAY_PAUSED; 1609 return 0; 1610 } 1611 1612 int 1613 mcd_resume(sc) 1614 struct mcd_softc *sc; 1615 { 1616 struct mcd_mbox mbx; 1617 int error; 1618 1619 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1620 return EINVAL; 1621 1622 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1623 return error; 1624 1625 mbx.cmd = sc->lastpb; 1626 mbx.res.length = 0; 1627 return mcd_send(sc, &mbx, 1); 1628 } 1629 1630 int 1631 mcd_eject(sc) 1632 struct mcd_softc *sc; 1633 { 1634 struct mcd_mbox mbx; 1635 1636 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1637 mbx.cmd.length = 0; 1638 mbx.res.length = 0; 1639 return mcd_send(sc, &mbx, 0); 1640 } 1641 1642 int 1643 mcd_setlock(sc, mode) 1644 struct mcd_softc *sc; 1645 int mode; 1646 { 1647 struct mcd_mbox mbx; 1648 1649 mbx.cmd.opcode = MCD_CMDSETLOCK; 1650 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1651 mbx.cmd.data.lockmode.mode = mode; 1652 mbx.res.length = 0; 1653 return mcd_send(sc, &mbx, 1); 1654 } 1655
Indexes created Tue Sep 30 11:09:46 GMT 2025