mcd.c revision 1.38
1 /* $NetBSD: mcd.c,v 1.38 1995/04/27 01:46:47 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 <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 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 = isa_intr_establish(ia->ia_irq, ISA_IST_EDGE, ISA_IPL_BIO, 225 mcdintr, sc); 226 } 227 228 /* 229 * Wait interruptibly for an exclusive lock. 230 * 231 * XXX 232 * Several drivers do this; it should be abstracted and made MP-safe. 233 */ 234 int 235 mcdlock(sc) 236 struct mcd_softc *sc; 237 { 238 int error; 239 240 while ((sc->flags & MCDF_LOCKED) != 0) { 241 sc->flags |= MCDF_WANTED; 242 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 243 return error; 244 } 245 sc->flags |= MCDF_LOCKED; 246 return 0; 247 } 248 249 /* 250 * Unlock and wake up any waiters. 251 */ 252 void 253 mcdunlock(sc) 254 struct mcd_softc *sc; 255 { 256 257 sc->flags &= ~MCDF_LOCKED; 258 if ((sc->flags & MCDF_WANTED) != 0) { 259 sc->flags &= ~MCDF_WANTED; 260 wakeup(sc); 261 } 262 } 263 264 int 265 mcdopen(dev, flag, fmt, p) 266 dev_t dev; 267 int flag, fmt; 268 struct proc *p; 269 { 270 int error; 271 int unit, part; 272 struct mcd_softc *sc; 273 274 unit = MCDUNIT(dev); 275 if (unit >= mcdcd.cd_ndevs) 276 return ENXIO; 277 sc = mcdcd.cd_devs[unit]; 278 if (!sc) 279 return ENXIO; 280 281 if (error = mcdlock(sc)) 282 return error; 283 284 if (sc->sc_dk.dk_openmask != 0) { 285 /* 286 * If any partition is open, but the disk has been invalidated, 287 * disallow further opens. 288 */ 289 if ((sc->flags & MCDF_LOADED) == 0) { 290 error = EIO; 291 goto bad3; 292 } 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 bad3: 366 mcdunlock(sc); 367 return error; 368 } 369 370 int 371 mcdclose(dev, flag, fmt) 372 dev_t dev; 373 int flag, fmt; 374 { 375 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 376 int part = MCDPART(dev); 377 int error; 378 379 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 380 381 if (error = mcdlock(sc)) 382 return error; 383 384 switch (fmt) { 385 case S_IFCHR: 386 sc->sc_dk.dk_copenmask &= ~(1 << part); 387 break; 388 case S_IFBLK: 389 sc->sc_dk.dk_bopenmask &= ~(1 << part); 390 break; 391 } 392 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 393 394 if (sc->sc_dk.dk_openmask == 0) { 395 /* XXXX Must wait for I/O to complete! */ 396 397 #if 0 398 (void) mcd_setmode(sc, MCD_MD_SLEEP); 399 #endif 400 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 401 } 402 403 mcdunlock(sc); 404 return 0; 405 } 406 407 void 408 mcdstrategy(bp) 409 struct buf *bp; 410 { 411 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 412 int s; 413 414 /* Test validity. */ 415 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 416 bp->b_blkno, bp->b_bcount, 0); 417 if (bp->b_blkno < 0 || 418 (bp->b_bcount % sc->blksize) != 0) { 419 printf("%s: strategy: blkno = %d bcount = %d\n", 420 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 421 bp->b_error = EINVAL; 422 goto bad; 423 } 424 425 /* If device invalidated (e.g. media change, door open), error. */ 426 if ((sc->flags & MCDF_LOADED) == 0) { 427 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 428 bp->b_error = EIO; 429 goto bad; 430 } 431 432 /* No data to read. */ 433 if (bp->b_bcount == 0) 434 goto done; 435 436 /* 437 * Do bounds checking, adjust transfer. if error, process. 438 * If end of partition, just return. 439 */ 440 if (MCDPART(bp->b_dev) != RAW_PART && 441 bounds_check_with_label(bp, &sc->sc_dk.dk_label, 442 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 443 goto done; 444 445 /* Queue it. */ 446 s = splbio(); 447 disksort(&sc->buf_queue, bp); 448 splx(s); 449 if (!sc->buf_queue.b_active) 450 mcdstart(sc); 451 return; 452 453 bad: 454 bp->b_flags |= B_ERROR; 455 done: 456 bp->b_resid = bp->b_bcount; 457 biodone(bp); 458 } 459 460 void 461 mcdstart(sc) 462 struct mcd_softc *sc; 463 { 464 struct buf *bp, *dp = &sc->buf_queue; 465 int s; 466 467 loop: 468 s = splbio(); 469 470 bp = dp->b_actf; 471 if (bp == NULL) { 472 /* Nothing to do. */ 473 dp->b_active = 0; 474 splx(s); 475 return; 476 } 477 478 /* Block found to process; dequeue. */ 479 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 480 dp->b_actf = bp->b_actf; 481 splx(s); 482 483 /* Changed media? */ 484 if ((sc->flags & MCDF_LOADED) == 0) { 485 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 486 bp->b_error = EIO; 487 bp->b_flags |= B_ERROR; 488 biodone(bp); 489 goto loop; 490 } 491 492 dp->b_active = 1; 493 494 sc->mbx.retry = MCD_RDRETRIES; 495 sc->mbx.bp = bp; 496 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 497 if (MCDPART(bp->b_dev) != RAW_PART) { 498 struct partition *p; 499 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 500 sc->mbx.blkno += p->p_offset; 501 } 502 sc->mbx.nblk = bp->b_bcount / sc->blksize; 503 sc->mbx.sz = sc->blksize; 504 sc->mbx.skip = 0; 505 sc->mbx.state = MCD_S_BEGIN; 506 sc->mbx.mode = MCD_MD_COOKED; 507 508 s = splbio(); 509 (void) mcdintr(sc); 510 splx(s); 511 } 512 513 int 514 mcdioctl(dev, cmd, addr, flag, p) 515 dev_t dev; 516 u_long cmd; 517 caddr_t addr; 518 int flag; 519 struct proc *p; 520 { 521 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 522 int error; 523 524 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 525 526 if ((sc->flags & MCDF_LOADED) == 0) 527 return EIO; 528 529 switch (cmd) { 530 case DIOCGDINFO: 531 *(struct disklabel *)addr = sc->sc_dk.dk_label; 532 return 0; 533 534 case DIOCGPART: 535 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 536 ((struct partinfo *)addr)->part = 537 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 538 return 0; 539 540 case DIOCWDINFO: 541 case DIOCSDINFO: 542 if ((flag & FWRITE) == 0) 543 return EBADF; 544 545 if (error = mcdlock(sc)) 546 return error; 547 sc->flags |= MCDF_LABELLING; 548 549 error = setdisklabel(&sc->sc_dk.dk_label, 550 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 551 &sc->sc_dk.dk_cpulabel); 552 if (error == 0) { 553 } 554 555 sc->flags &= ~MCDF_LABELLING; 556 mcdunlock(sc); 557 return error; 558 559 case DIOCWLABEL: 560 return EBADF; 561 562 case CDIOCPLAYTRACKS: 563 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 564 case CDIOCPLAYMSF: 565 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 566 case CDIOCPLAYBLOCKS: 567 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 568 case CDIOCREADSUBCHANNEL: 569 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 570 case CDIOREADTOCHEADER: 571 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 572 case CDIOREADTOCENTRYS: 573 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 574 case CDIOCSETPATCH: 575 case CDIOCGETVOL: 576 case CDIOCSETVOL: 577 case CDIOCSETMONO: 578 case CDIOCSETSTEREO: 579 case CDIOCSETMUTE: 580 case CDIOCSETLEFT: 581 case CDIOCSETRIGHT: 582 return EINVAL; 583 case CDIOCRESUME: 584 return mcd_resume(sc); 585 case CDIOCPAUSE: 586 return mcd_pause(sc); 587 case CDIOCSTART: 588 return EINVAL; 589 case CDIOCSTOP: 590 return mcd_stop(sc); 591 case CDIOCEJECT: 592 return mcd_eject(sc); 593 case CDIOCALLOW: 594 return mcd_setlock(sc, MCD_LK_UNLOCK); 595 case CDIOCPREVENT: 596 return mcd_setlock(sc, MCD_LK_LOCK); 597 case CDIOCSETDEBUG: 598 sc->debug = 1; 599 return 0; 600 case CDIOCCLRDEBUG: 601 sc->debug = 0; 602 return 0; 603 case CDIOCRESET: 604 return mcd_hard_reset(sc); 605 606 default: 607 return ENOTTY; 608 } 609 610 #ifdef DIAGNOSTIC 611 panic("mcdioctl: impossible"); 612 #endif 613 } 614 615 /* 616 * This could have been taken from scsi/cd.c, but it is not clear 617 * whether the scsi cd driver is linked in. 618 */ 619 void 620 mcdgetdisklabel(sc) 621 struct mcd_softc *sc; 622 { 623 624 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 625 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 626 627 sc->sc_dk.dk_label.d_secsize = sc->blksize; 628 sc->sc_dk.dk_label.d_ntracks = 1; 629 sc->sc_dk.dk_label.d_nsectors = 100; 630 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 631 sc->sc_dk.dk_label.d_secpercyl = 632 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 633 634 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 635 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 636 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 637 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 638 sc->sc_dk.dk_label.d_rpm = 300; 639 sc->sc_dk.dk_label.d_interleave = 1; 640 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 641 642 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 643 sc->sc_dk.dk_label.d_partitions[0].p_size = 644 sc->sc_dk.dk_label.d_secperunit * 645 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 646 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 647 sc->sc_dk.dk_label.d_npartitions = 1; 648 649 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 650 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 651 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 652 } 653 654 int 655 mcd_get_parms(sc) 656 struct mcd_softc *sc; 657 { 658 struct mcd_mbox mbx; 659 daddr_t size; 660 int error; 661 662 /* Send volume info command. */ 663 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 664 mbx.cmd.length = 0; 665 mbx.res.length = sizeof(mbx.res.data.volinfo); 666 if ((error = mcd_send(sc, &mbx, 1)) != 0) 667 return error; 668 669 if (mbx.res.data.volinfo.trk_low == 0x00 && 670 mbx.res.data.volinfo.trk_high == 0x00) 671 return EINVAL; 672 673 /* Volinfo is OK. */ 674 sc->volinfo = mbx.res.data.volinfo; 675 sc->blksize = MCD_BLKSIZE_COOKED; 676 size = msf2hsg(sc->volinfo.vol_msf, 0); 677 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 678 return 0; 679 } 680 681 int 682 mcdsize(dev) 683 dev_t dev; 684 { 685 686 /* CD-ROMs are read-only. */ 687 return -1; 688 } 689 690 int 691 mcddump() 692 { 693 694 /* Not implemented. */ 695 return EINVAL; 696 } 697 698 int 699 mcdprobe(parent, match, aux) 700 struct device *parent; 701 void *match, *aux; 702 { 703 struct mcd_softc *sc = match; 704 struct isa_attach_args *ia = aux; 705 int iobase = ia->ia_iobase; 706 int i; 707 struct mcd_mbox mbx; 708 709 sc->iobase = iobase; 710 711 /* Send a reset. */ 712 outb(iobase + MCD_RESET, 0); 713 delay(1000000); 714 /* Get any pending status and throw away. */ 715 for (i = 10; i; i--) 716 inb(iobase + MCD_STATUS); 717 delay(1000); 718 719 /* Send get status command. */ 720 mbx.cmd.opcode = MCD_CMDGETSTAT; 721 mbx.cmd.length = 0; 722 mbx.res.length = 0; 723 if (mcd_send(sc, &mbx, 0) != 0) 724 return 0; 725 726 /* Get info about the drive. */ 727 mbx.cmd.opcode = MCD_CMDCONTINFO; 728 mbx.cmd.length = 0; 729 mbx.res.length = sizeof(mbx.res.data.continfo); 730 if (mcd_send(sc, &mbx, 0) != 0) 731 return 0; 732 733 /* 734 * The following is code which is not guaranteed to work for all 735 * drives, because the meaning of the expected 'M' is not clear 736 * (M_itsumi is an obvious assumption, but I don't trust that). 737 * Also, the original hack had a bogus condition that always 738 * returned true. 739 * 740 * Note: Which models support interrupts? >=LU005S? 741 */ 742 switch (mbx.res.data.continfo.code) { 743 case 'M': 744 if (mbx.res.data.continfo.version <= 2) 745 sc->type = "LU002S"; 746 else if (mbx.res.data.continfo.version <= 5) 747 sc->type = "LU005S"; 748 else 749 sc->type = "LU006S"; 750 break; 751 case 'F': 752 sc->type = "FX001"; 753 break; 754 case 'D': 755 sc->type = "FX001D"; 756 break; 757 default: 758 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 759 sc->sc_dev.dv_xname, 760 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 761 sc->type = 0; 762 break; 763 } 764 765 ia->ia_iosize = 4; 766 ia->ia_msize = 0; 767 return 1; 768 } 769 770 int 771 mcd_getreply(sc) 772 struct mcd_softc *sc; 773 { 774 int iobase = sc->iobase; 775 int i; 776 777 /* Wait until xfer port senses data ready. */ 778 for (i = DELAY_GETREPLY; i; i--) { 779 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 780 break; 781 delay(DELAY_GRANULARITY); 782 } 783 if (!i) 784 return -1; 785 786 /* Get the data. */ 787 return inb(iobase + MCD_STATUS); 788 } 789 790 int 791 mcd_getstat(sc) 792 struct mcd_softc *sc; 793 { 794 struct mcd_mbox mbx; 795 796 mbx.cmd.opcode = MCD_CMDGETSTAT; 797 mbx.cmd.length = 0; 798 mbx.res.length = 0; 799 return mcd_send(sc, &mbx, 1); 800 } 801 802 int 803 mcd_getresult(sc, res) 804 struct mcd_softc *sc; 805 struct mcd_result *res; 806 { 807 int i, x; 808 809 if (sc->debug) 810 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 811 res->length); 812 813 if ((x = mcd_getreply(sc)) < 0) { 814 if (sc->debug) 815 printf(" timeout\n"); 816 else 817 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 818 return EIO; 819 } 820 if (sc->debug) 821 printf(" %02x", (u_int)x); 822 sc->status = x; 823 mcd_setflags(sc); 824 825 if ((sc->status & MCD_ST_CMDCHECK) != 0) 826 return EINVAL; 827 828 for (i = 0; i < res->length; i++) { 829 if ((x = mcd_getreply(sc)) < 0) { 830 if (sc->debug) 831 printf(" timeout\n"); 832 else 833 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 834 return EIO; 835 } 836 if (sc->debug) 837 printf(" %02x", (u_int)x); 838 res->data.raw.data[i] = x; 839 } 840 841 if (sc->debug) 842 printf(" succeeded\n"); 843 844 #ifdef MCDDEBUG 845 delay(10); 846 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 847 x = inb(sc->iobase + MCD_STATUS); 848 printf("%s: got extra byte %02x during getstatus\n", 849 sc->sc_dev.dv_xname, (u_int)x); 850 delay(10); 851 } 852 #endif 853 854 return 0; 855 } 856 857 void 858 mcd_setflags(sc) 859 struct mcd_softc *sc; 860 { 861 862 /* Check flags. */ 863 if ((sc->flags & MCDF_LOADED) != 0 && 864 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 865 MCD_ST_DSKIN) { 866 if ((sc->status & MCD_ST_DOOROPEN) != 0) 867 printf("%s: door open\n", sc->sc_dev.dv_xname); 868 else if ((sc->status & MCD_ST_DSKIN) == 0) 869 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 870 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 871 printf("%s: media change\n", sc->sc_dev.dv_xname); 872 sc->flags &= ~MCDF_LOADED; 873 } 874 875 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 876 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 877 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 878 sc->audio_status == CD_AS_AUDIO_INVALID) 879 sc->audio_status = CD_AS_PLAY_COMPLETED; 880 } 881 882 int 883 mcd_send(sc, mbx, diskin) 884 struct mcd_softc *sc; 885 struct mcd_mbox *mbx; 886 int diskin; 887 { 888 int iobase = sc->iobase; 889 int retry, i, error; 890 891 if (sc->debug) { 892 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 893 mbx->cmd.length, (u_int)mbx->cmd.opcode); 894 for (i = 0; i < mbx->cmd.length; i++) 895 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 896 printf("\n"); 897 } 898 899 for (retry = MCD_RETRIES; retry; retry--) { 900 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 901 for (i = 0; i < mbx->cmd.length; i++) 902 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 903 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 904 break; 905 if (error == EINVAL) 906 return error; 907 } 908 if (!retry) 909 return error; 910 if (diskin && (sc->flags & MCDF_LOADED) == 0) 911 return EIO; 912 913 return 0; 914 } 915 916 static int 917 bcd2bin(b) 918 bcd_t b; 919 { 920 921 return (b >> 4) * 10 + (b & 15); 922 } 923 924 static bcd_t 925 bin2bcd(b) 926 int b; 927 { 928 929 return ((b / 10) << 4) | (b % 10); 930 } 931 932 static void 933 hsg2msf(hsg, msf) 934 int hsg; 935 bcd_t *msf; 936 { 937 938 hsg += 150; 939 F_msf(msf) = bin2bcd(hsg % 75); 940 hsg /= 75; 941 S_msf(msf) = bin2bcd(hsg % 60); 942 hsg /= 60; 943 M_msf(msf) = bin2bcd(hsg); 944 } 945 946 static daddr_t 947 msf2hsg(msf, relative) 948 bcd_t *msf; 949 int relative; 950 { 951 daddr_t blkno; 952 953 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 954 bcd2bin(S_msf(msf)) * 75 + 955 bcd2bin(F_msf(msf)); 956 if (!relative) 957 blkno -= 150; 958 return blkno; 959 } 960 961 void 962 mcd_pseudointr(sc) 963 struct mcd_softc *sc; 964 { 965 int s; 966 967 s = splbio(); 968 (void) mcdintr(sc); 969 splx(s); 970 } 971 972 /* 973 * State machine to process read requests. 974 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 975 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 976 * MCD_S_WAITREAD: wait for read ready, read data. 977 */ 978 int 979 mcdintr(arg) 980 void *arg; 981 { 982 struct mcd_softc *sc = arg; 983 struct mcd_mbx *mbx = &sc->mbx; 984 int iobase = sc->iobase; 985 struct buf *bp = mbx->bp; 986 987 int i; 988 u_char x; 989 bcd_t msf[3]; 990 991 switch (mbx->state) { 992 case MCD_S_IDLE: 993 return 0; 994 995 case MCD_S_BEGIN: 996 tryagain: 997 if (mbx->mode == sc->lastmode) 998 goto firstblock; 999 1000 sc->lastmode = MCD_MD_UNKNOWN; 1001 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1002 outb(iobase + MCD_COMMAND, mbx->mode); 1003 1004 mbx->count = RDELAY_WAITMODE; 1005 mbx->state = MCD_S_WAITMODE; 1006 1007 case MCD_S_WAITMODE: 1008 untimeout(mcd_pseudointr, sc); 1009 for (i = 20; i; i--) { 1010 x = inb(iobase + MCD_XFER); 1011 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1012 break; 1013 delay(50); 1014 } 1015 if (i == 0) 1016 goto hold; 1017 sc->status = inb(iobase + MCD_STATUS); 1018 mcd_setflags(sc); 1019 if ((sc->flags & MCDF_LOADED) == 0) 1020 goto changed; 1021 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1022 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1023 1024 sc->lastmode = mbx->mode; 1025 1026 firstblock: 1027 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1028 bp, 0, 0); 1029 1030 /* Build parameter block. */ 1031 hsg2msf(mbx->blkno, msf); 1032 1033 /* Send the read command. */ 1034 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1035 outb(iobase + MCD_COMMAND, msf[0]); 1036 outb(iobase + MCD_COMMAND, msf[1]); 1037 outb(iobase + MCD_COMMAND, msf[2]); 1038 outb(iobase + MCD_COMMAND, 0); 1039 outb(iobase + MCD_COMMAND, 0); 1040 outb(iobase + MCD_COMMAND, mbx->nblk); 1041 1042 mbx->count = RDELAY_WAITREAD; 1043 mbx->state = MCD_S_WAITREAD; 1044 1045 case MCD_S_WAITREAD: 1046 untimeout(mcd_pseudointr, sc); 1047 nextblock: 1048 loop: 1049 for (i = 20; i; i--) { 1050 x = inb(iobase + MCD_XFER); 1051 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1052 goto gotblock; 1053 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1054 break; 1055 delay(50); 1056 } 1057 if (i == 0) 1058 goto hold; 1059 sc->status = inb(iobase + MCD_STATUS); 1060 mcd_setflags(sc); 1061 if ((sc->flags & MCDF_LOADED) == 0) 1062 goto changed; 1063 #if 0 1064 printf("%s: got status byte %02x during read\n", 1065 sc->sc_dev.dv_xname, (u_int)sc->status); 1066 #endif 1067 goto loop; 1068 1069 gotblock: 1070 MCD_TRACE("doread: got data delay=%d\n", 1071 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1072 1073 /* Data is ready. */ 1074 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1075 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1076 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1077 mbx->blkno += 1; 1078 mbx->skip += mbx->sz; 1079 if (--mbx->nblk > 0) 1080 goto nextblock; 1081 1082 mbx->state = MCD_S_IDLE; 1083 1084 /* Return buffer. */ 1085 bp->b_resid = 0; 1086 biodone(bp); 1087 1088 mcdstart(sc); 1089 return 1; 1090 1091 hold: 1092 if (mbx->count-- < 0) { 1093 printf("%s: timeout in state %d", 1094 sc->sc_dev.dv_xname, mbx->state); 1095 goto readerr; 1096 } 1097 1098 #if 0 1099 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1100 mbx->state); 1101 #endif 1102 timeout(mcd_pseudointr, sc, hz / 100); 1103 return -1; 1104 } 1105 1106 readerr: 1107 if (mbx->retry-- > 0) { 1108 printf("; retrying\n"); 1109 goto tryagain; 1110 } else 1111 printf("; giving up\n"); 1112 1113 changed: 1114 harderr: 1115 /* Invalidate the buffer. */ 1116 bp->b_flags |= B_ERROR; 1117 bp->b_resid = bp->b_bcount - mbx->skip; 1118 biodone(bp); 1119 1120 mcdstart(sc); 1121 return -1; 1122 1123 #ifdef notyet 1124 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1125 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1126 delay(300000); 1127 (void) mcd_getstat(sc, 1); 1128 (void) mcd_getstat(sc, 1); 1129 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1130 sc->debug = 1; /* preventive set debug mode */ 1131 #endif 1132 } 1133 1134 void 1135 mcd_soft_reset(sc) 1136 struct mcd_softc *sc; 1137 { 1138 1139 sc->debug = 0; 1140 sc->flags = 0; 1141 sc->lastmode = MCD_MD_UNKNOWN; 1142 sc->lastupc = MCD_UPC_UNKNOWN; 1143 sc->audio_status = CD_AS_AUDIO_INVALID; 1144 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1145 } 1146 1147 int 1148 mcd_hard_reset(sc) 1149 struct mcd_softc *sc; 1150 { 1151 struct mcd_mbox mbx; 1152 1153 mcd_soft_reset(sc); 1154 1155 mbx.cmd.opcode = MCD_CMDRESET; 1156 mbx.cmd.length = 0; 1157 mbx.res.length = 0; 1158 return mcd_send(sc, &mbx, 0); 1159 } 1160 1161 int 1162 mcd_setmode(sc, mode) 1163 struct mcd_softc *sc; 1164 int mode; 1165 { 1166 struct mcd_mbox mbx; 1167 int error; 1168 1169 if (sc->lastmode == mode) 1170 return 0; 1171 if (sc->debug) 1172 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1173 sc->lastmode = MCD_MD_UNKNOWN; 1174 1175 mbx.cmd.opcode = MCD_CMDSETMODE; 1176 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1177 mbx.cmd.data.datamode.mode = mode; 1178 mbx.res.length = 0; 1179 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1180 return error; 1181 1182 sc->lastmode = mode; 1183 return 0; 1184 } 1185 1186 int 1187 mcd_setupc(sc, upc) 1188 struct mcd_softc *sc; 1189 int upc; 1190 { 1191 struct mcd_mbox mbx; 1192 int error; 1193 1194 if (sc->lastupc == upc) 1195 return 0; 1196 if (sc->debug) 1197 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1198 sc->lastupc = MCD_UPC_UNKNOWN; 1199 1200 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1201 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1202 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1203 mbx.cmd.data.config.data1 = upc; 1204 mbx.res.length = 0; 1205 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1206 return error; 1207 1208 sc->lastupc = upc; 1209 return 0; 1210 } 1211 1212 int 1213 mcd_toc_header(sc, th) 1214 struct mcd_softc *sc; 1215 struct ioc_toc_header *th; 1216 { 1217 1218 if (sc->debug) 1219 printf("%s: mcd_toc_header: reading toc header\n", 1220 sc->sc_dev.dv_xname); 1221 1222 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1223 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1224 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1225 1226 return 0; 1227 } 1228 1229 int 1230 mcd_read_toc(sc) 1231 struct mcd_softc *sc; 1232 { 1233 struct ioc_toc_header th; 1234 union mcd_qchninfo q; 1235 int error, trk, idx, retry; 1236 1237 if ((error = mcd_toc_header(sc, &th)) != 0) 1238 return error; 1239 1240 if ((error = mcd_stop(sc)) != 0) 1241 return error; 1242 1243 if (sc->debug) 1244 printf("%s: read_toc: reading qchannel info\n", 1245 sc->sc_dev.dv_xname); 1246 1247 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1248 sc->toc[trk].toc.idx_no = 0x00; 1249 trk = th.ending_track - th.starting_track + 1; 1250 for (retry = 300; retry && trk > 0; retry--) { 1251 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1252 break; 1253 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1254 continue; 1255 idx = bcd2bin(q.toc.idx_no); 1256 if (idx < MCD_MAXTOCS && 1257 sc->toc[idx].toc.idx_no == 0x00) { 1258 sc->toc[idx] = q; 1259 trk--; 1260 } 1261 } 1262 1263 /* Inform the drive that we're finished so it turns off the light. */ 1264 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1265 return error; 1266 1267 if (trk != 0) 1268 return EINVAL; 1269 1270 /* Add a fake last+1 for mcd_playtracks(). */ 1271 idx = th.ending_track + 1; 1272 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1273 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1274 sc->toc[idx].toc.trk_no = 0x00; 1275 sc->toc[idx].toc.idx_no = 0xaa; 1276 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1277 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1278 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1279 1280 return 0; 1281 } 1282 1283 int 1284 mcd_toc_entries(sc, te) 1285 struct mcd_softc *sc; 1286 struct ioc_read_toc_entry *te; 1287 { 1288 int len = te->data_len; 1289 struct ret_toc { 1290 struct ioc_toc_header header; 1291 struct cd_toc_entry entries[MCD_MAXTOCS]; 1292 } data; 1293 u_char trk; 1294 daddr_t lba; 1295 int error, n; 1296 1297 if (len > sizeof(data.entries) || 1298 len < sizeof(struct cd_toc_entry)) 1299 return EINVAL; 1300 if (te->address_format != CD_MSF_FORMAT && 1301 te->address_format != CD_LBA_FORMAT) 1302 return EINVAL; 1303 1304 /* Copy the TOC header. */ 1305 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1306 return error; 1307 1308 /* Verify starting track. */ 1309 trk = te->starting_track; 1310 if (trk == 0x00) 1311 trk = data.header.starting_track; 1312 else if (trk == 0xaa) 1313 trk = data.header.ending_track + 1; 1314 else if (trk < data.header.starting_track || 1315 trk > data.header.ending_track + 1) 1316 return EINVAL; 1317 1318 /* Copy the TOC data. */ 1319 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1320 if (sc->toc[trk].toc.idx_no == 0x00) 1321 continue; 1322 data.entries[n].control = sc->toc[trk].toc.control; 1323 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1324 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1325 switch (te->address_format) { 1326 case CD_MSF_FORMAT: 1327 data.entries[n].addr[0] = 0; 1328 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1329 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1330 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1331 break; 1332 case CD_LBA_FORMAT: 1333 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1334 data.entries[n].addr[0] = lba >> 24; 1335 data.entries[n].addr[1] = lba >> 16; 1336 data.entries[n].addr[2] = lba >> 8; 1337 data.entries[n].addr[3] = lba; 1338 break; 1339 } 1340 n++; 1341 } 1342 1343 len = min(len, n * sizeof(struct cd_toc_entry)); 1344 1345 /* Copy the data back. */ 1346 return copyout(&data.entries[0], te->data, len); 1347 } 1348 1349 int 1350 mcd_stop(sc) 1351 struct mcd_softc *sc; 1352 { 1353 struct mcd_mbox mbx; 1354 int error; 1355 1356 if (sc->debug) 1357 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1358 1359 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1360 mbx.cmd.length = 0; 1361 mbx.res.length = 0; 1362 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1363 return error; 1364 1365 sc->audio_status = CD_AS_PLAY_COMPLETED; 1366 return 0; 1367 } 1368 1369 int 1370 mcd_getqchan(sc, q, qchn) 1371 struct mcd_softc *sc; 1372 union mcd_qchninfo *q; 1373 int qchn; 1374 { 1375 struct mcd_mbox mbx; 1376 int error; 1377 1378 if (qchn == CD_TRACK_INFO) { 1379 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1380 return error; 1381 } else { 1382 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1383 return error; 1384 } 1385 if (qchn == CD_MEDIA_CATALOG) { 1386 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1387 return error; 1388 } else { 1389 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1390 return error; 1391 } 1392 1393 mbx.cmd.opcode = MCD_CMDGETQCHN; 1394 mbx.cmd.length = 0; 1395 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1396 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1397 return error; 1398 1399 *q = mbx.res.data.qchninfo; 1400 return 0; 1401 } 1402 1403 int 1404 mcd_read_subchannel(sc, ch) 1405 struct mcd_softc *sc; 1406 struct ioc_read_subchannel *ch; 1407 { 1408 int len = ch->data_len; 1409 union mcd_qchninfo q; 1410 struct cd_sub_channel_info data; 1411 daddr_t lba; 1412 int error; 1413 1414 if (sc->debug) 1415 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1416 ch->address_format, ch->data_format); 1417 1418 if (len > sizeof(data) || 1419 len < sizeof(struct cd_sub_channel_header)) 1420 return EINVAL; 1421 if (ch->address_format != CD_MSF_FORMAT && 1422 ch->address_format != CD_LBA_FORMAT) 1423 return EINVAL; 1424 if (ch->data_format != CD_CURRENT_POSITION && 1425 ch->data_format != CD_MEDIA_CATALOG) 1426 return EINVAL; 1427 1428 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1429 return error; 1430 1431 data.header.audio_status = sc->audio_status; 1432 data.what.media_catalog.data_format = ch->data_format; 1433 1434 switch (ch->data_format) { 1435 case CD_MEDIA_CATALOG: 1436 data.what.media_catalog.mc_valid = 1; 1437 #if 0 1438 data.what.media_catalog.mc_number = 1439 #endif 1440 break; 1441 1442 case CD_CURRENT_POSITION: 1443 data.what.position.track_number = bcd2bin(q.current.trk_no); 1444 data.what.position.index_number = bcd2bin(q.current.idx_no); 1445 switch (ch->address_format) { 1446 case CD_MSF_FORMAT: 1447 data.what.position.reladdr[0] = 0; 1448 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1449 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1450 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1451 data.what.position.absaddr[0] = 0; 1452 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1453 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1454 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1455 break; 1456 case CD_LBA_FORMAT: 1457 lba = msf2hsg(q.current.relative_pos, 1); 1458 /* 1459 * Pre-gap has index number of 0, and decreasing MSF 1460 * address. Must be converted to negative LBA, per 1461 * SCSI spec. 1462 */ 1463 if (data.what.position.index_number == 0x00) 1464 lba = -lba; 1465 data.what.position.reladdr[0] = lba >> 24; 1466 data.what.position.reladdr[1] = lba >> 16; 1467 data.what.position.reladdr[2] = lba >> 8; 1468 data.what.position.reladdr[3] = lba; 1469 lba = msf2hsg(q.current.absolute_pos, 0); 1470 data.what.position.absaddr[0] = lba >> 24; 1471 data.what.position.absaddr[1] = lba >> 16; 1472 data.what.position.absaddr[2] = lba >> 8; 1473 data.what.position.absaddr[3] = lba; 1474 break; 1475 } 1476 break; 1477 } 1478 1479 return copyout(&data, ch->data, len); 1480 } 1481 1482 int 1483 mcd_playtracks(sc, p) 1484 struct mcd_softc *sc; 1485 struct ioc_play_track *p; 1486 { 1487 struct mcd_mbox mbx; 1488 int a = p->start_track; 1489 int z = p->end_track; 1490 int error; 1491 1492 if (sc->debug) 1493 printf("%s: playtracks: from %d:%d to %d:%d\n", 1494 sc->sc_dev.dv_xname, 1495 a, p->start_index, z, p->end_index); 1496 1497 if (a < bcd2bin(sc->volinfo.trk_low) || 1498 a > bcd2bin(sc->volinfo.trk_high) || 1499 a > z || 1500 z < bcd2bin(sc->volinfo.trk_low) || 1501 z > bcd2bin(sc->volinfo.trk_high)) 1502 return EINVAL; 1503 1504 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1505 return error; 1506 1507 mbx.cmd.opcode = MCD_CMDREAD2; 1508 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1509 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1510 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1511 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1512 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1513 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1514 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1515 sc->lastpb = mbx.cmd; 1516 mbx.res.length = 0; 1517 return mcd_send(sc, &mbx, 1); 1518 } 1519 1520 int 1521 mcd_playmsf(sc, p) 1522 struct mcd_softc *sc; 1523 struct ioc_play_msf *p; 1524 { 1525 struct mcd_mbox mbx; 1526 int error; 1527 1528 if (sc->debug) 1529 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1530 sc->sc_dev.dv_xname, 1531 p->start_m, p->start_s, p->start_f, 1532 p->end_m, p->end_s, p->end_f); 1533 1534 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1535 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1536 return EINVAL; 1537 1538 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1539 return error; 1540 1541 mbx.cmd.opcode = MCD_CMDREAD2; 1542 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1543 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1544 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1545 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1546 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1547 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1548 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1549 sc->lastpb = mbx.cmd; 1550 mbx.res.length = 0; 1551 return mcd_send(sc, &mbx, 1); 1552 } 1553 1554 int 1555 mcd_playblocks(sc, p) 1556 struct mcd_softc *sc; 1557 struct ioc_play_blocks *p; 1558 { 1559 struct mcd_mbox mbx; 1560 int error; 1561 1562 if (sc->debug) 1563 printf("%s: playblocks: blkno %d length %d\n", 1564 sc->sc_dev.dv_xname, p->blk, p->len); 1565 1566 if (p->blk > sc->disksize || p->len > sc->disksize || 1567 (p->blk + p->len) > sc->disksize) 1568 return 0; 1569 1570 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1571 return error; 1572 1573 mbx.cmd.opcode = MCD_CMDREAD2; 1574 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1575 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1576 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1577 sc->lastpb = mbx.cmd; 1578 mbx.res.length = 0; 1579 return mcd_send(sc, &mbx, 1); 1580 } 1581 1582 int 1583 mcd_pause(sc) 1584 struct mcd_softc *sc; 1585 { 1586 union mcd_qchninfo q; 1587 int error; 1588 1589 /* Verify current status. */ 1590 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1591 printf("%s: pause: attempted when not playing\n", 1592 sc->sc_dev.dv_xname); 1593 return EINVAL; 1594 } 1595 1596 /* Get the current position. */ 1597 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1598 return error; 1599 1600 /* Copy it into lastpb. */ 1601 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1602 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1603 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1604 1605 /* Stop playing. */ 1606 if ((error = mcd_stop(sc)) != 0) 1607 return error; 1608 1609 /* Set the proper status and exit. */ 1610 sc->audio_status = CD_AS_PLAY_PAUSED; 1611 return 0; 1612 } 1613 1614 int 1615 mcd_resume(sc) 1616 struct mcd_softc *sc; 1617 { 1618 struct mcd_mbox mbx; 1619 int error; 1620 1621 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1622 return EINVAL; 1623 1624 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1625 return error; 1626 1627 mbx.cmd = sc->lastpb; 1628 mbx.res.length = 0; 1629 return mcd_send(sc, &mbx, 1); 1630 } 1631 1632 int 1633 mcd_eject(sc) 1634 struct mcd_softc *sc; 1635 { 1636 struct mcd_mbox mbx; 1637 1638 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1639 mbx.cmd.length = 0; 1640 mbx.res.length = 0; 1641 return mcd_send(sc, &mbx, 0); 1642 } 1643 1644 int 1645 mcd_setlock(sc, mode) 1646 struct mcd_softc *sc; 1647 int mode; 1648 { 1649 struct mcd_mbox mbx; 1650 1651 mbx.cmd.opcode = MCD_CMDSETLOCK; 1652 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1653 mbx.cmd.data.lockmode.mode = mode; 1654 mbx.res.length = 0; 1655 return mcd_send(sc, &mbx, 1); 1656 } 1657
Indexes created Tue Sep 30 11:09:46 GMT 2025