mcd.c revision 1.30
1 /* $NetBSD: mcd.c,v 1.30 1995/03/27 16:48:45 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 #define MCDF_HAVETOC 0x20 /* already read toc */ 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 mbx.cmd.opcode = MCD_CMDSETLOCK; 213 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 214 mbx.cmd.data.lockmode.mode = MCD_LK_UNLOCK; 215 mbx.res.length = 0; 216 (void) mcd_send(sc, &mbx, 0); 217 218 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 219 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 220 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 221 mbx.cmd.data.config.data1 = 0x01; 222 mbx.res.length = 0; 223 (void) mcd_send(sc, &mbx, 0); 224 225 mcd_soft_reset(sc); 226 227 sc->sc_dk.dk_driver = &mcddkdriver; 228 229 sc->sc_ih.ih_fun = mcdintr; 230 sc->sc_ih.ih_arg = sc; 231 sc->sc_ih.ih_level = IPL_BIO; 232 intr_establish(ia->ia_irq, IST_EDGE, &sc->sc_ih); 233 } 234 235 int 236 mcdlockwait(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 return 0; 247 } 248 249 void 250 mcdunlock(sc) 251 struct mcd_softc *sc; 252 { 253 254 sc->flags &= ~MCDF_LOCKED; 255 if ((sc->flags & MCDF_WANTED) != 0) { 256 sc->flags &= ~MCDF_WANTED; 257 wakeup(sc); 258 } 259 } 260 261 int 262 mcdopen(dev, flag, fmt, p) 263 dev_t dev; 264 int flag, fmt; 265 struct proc *p; 266 { 267 int error; 268 int unit, part; 269 struct mcd_softc *sc; 270 271 unit = MCDUNIT(dev); 272 if (unit >= mcdcd.cd_ndevs) 273 return ENXIO; 274 sc = mcdcd.cd_devs[unit]; 275 if (!sc) 276 return ENXIO; 277 278 part = MCDPART(dev); 279 280 if (error = mcdlockwait(sc)) 281 return error; 282 283 if (sc->sc_dk.dk_openmask != 0) { 284 /* 285 * If any partition is open, but the disk has been invalidated, 286 * disallow further opens. 287 */ 288 if ((sc->flags & MCDF_LOADED) == 0) 289 return ENXIO; 290 } else { 291 sc->flags |= MCDF_LOCKED; 292 293 /* 294 * Lock the drawer. This will also notice any pending disk 295 * change or door open indicator and clear the MCDF_LOADED bit 296 * if necessary. 297 */ 298 (void) mcd_setlock(sc, MCD_LK_LOCK); 299 300 if ((sc->flags & MCDF_LOADED) == 0) { 301 /* Partially reset the state. */ 302 sc->flags &= ~MCDF_HAVETOC; 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 /* Fabricate a disk label. */ 319 mcdgetdisklabel(sc); 320 } 321 322 mcdunlock(sc); 323 } 324 325 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 326 sc->disksize, sc->blksize, 0); 327 328 /* Check that the partition exists. */ 329 if (part != RAW_PART && 330 (part >= sc->sc_dk.dk_label.d_npartitions || 331 sc->sc_dk.dk_label.d_partitions[part].p_fstype == FS_UNUSED)) { 332 error = ENXIO; 333 goto bad; 334 } 335 336 /* Insure only one open at a time. */ 337 switch (fmt) { 338 case S_IFCHR: 339 sc->sc_dk.dk_copenmask |= (1 << part); 340 break; 341 case S_IFBLK: 342 sc->sc_dk.dk_bopenmask |= (1 << part); 343 break; 344 } 345 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 346 347 return 0; 348 349 bad2: 350 sc->flags &= ~MCDF_LOADED; 351 352 bad: 353 if (sc->sc_dk.dk_openmask == 0) { 354 #if 0 355 (void) mcd_setmode(sc, MCD_MD_SLEEP); 356 #endif 357 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 358 359 mcdunlock(sc); 360 } 361 362 return error; 363 } 364 365 int 366 mcdclose(dev, flag, fmt) 367 dev_t dev; 368 int flag, fmt; 369 { 370 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 371 int part = MCDPART(dev); 372 int s; 373 374 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 375 376 switch (fmt) { 377 case S_IFCHR: 378 sc->sc_dk.dk_copenmask &= ~(1 << part); 379 break; 380 case S_IFBLK: 381 sc->sc_dk.dk_bopenmask &= ~(1 << part); 382 break; 383 } 384 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 385 386 if (sc->sc_dk.dk_openmask == 0) { 387 /* 388 * If we're closing the last partition, nobody else could be 389 * holding the lock, so don't bother to check. 390 */ 391 sc->flags |= MCDF_LOCKED; 392 393 #if 0 394 s = splbio(); 395 while (...) { 396 sc->flags |= MCDF_WAITING; 397 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdcls", 0)) != 0) 398 return error; 399 } 400 splx(s); 401 #endif 402 403 #if 0 404 (void) mcd_setmode(sc, MCD_MD_SLEEP); 405 #endif 406 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 407 408 mcdunlock(sc); 409 } 410 411 return 0; 412 } 413 414 void 415 mcdstrategy(bp) 416 struct buf *bp; 417 { 418 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 419 int s; 420 421 /* Test validity. */ 422 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 423 bp->b_blkno, bp->b_bcount, 0); 424 if (bp->b_blkno < 0 || 425 (bp->b_bcount % sc->blksize) != 0) { 426 printf("%s: strategy: blkno = %d bcount = %d\n", 427 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 428 bp->b_error = EINVAL; 429 goto bad; 430 } 431 432 /* If device invalidated (e.g. media change, door open), error. */ 433 if ((sc->flags & MCDF_LOADED) == 0) { 434 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 435 bp->b_error = EIO; 436 goto bad; 437 } 438 439 /* No data to read. */ 440 if (bp->b_bcount == 0) 441 goto done; 442 443 /* 444 * Do bounds checking, adjust transfer. if error, process. 445 * If end of partition, just return. 446 */ 447 if (bounds_check_with_label(bp, &sc->sc_dk.dk_label, 448 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 449 goto done; 450 451 /* Queue it. */ 452 s = splbio(); 453 disksort(&sc->buf_queue, bp); 454 splx(s); 455 if (!sc->buf_queue.b_active) 456 mcdstart(sc); 457 return; 458 459 bad: 460 bp->b_flags |= B_ERROR; 461 done: 462 bp->b_resid = bp->b_bcount; 463 biodone(bp); 464 } 465 466 void 467 mcdstart(sc) 468 struct mcd_softc *sc; 469 { 470 struct buf *bp, *dp = &sc->buf_queue; 471 int s; 472 473 loop: 474 s = splbio(); 475 476 bp = dp->b_actf; 477 if (bp == NULL) { 478 /* Nothing to do. */ 479 dp->b_active = 0; 480 splx(s); 481 return; 482 } 483 484 /* Block found to process; dequeue. */ 485 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 486 dp->b_actf = bp->b_actf; 487 splx(s); 488 489 /* Changed media? */ 490 if ((sc->flags & MCDF_LOADED) == 0) { 491 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 492 bp->b_error = EIO; 493 bp->b_flags |= B_ERROR; 494 biodone(bp); 495 goto loop; 496 } 497 498 dp->b_active = 1; 499 500 sc->mbx.retry = MCD_RDRETRIES; 501 sc->mbx.bp = bp; 502 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 503 if (MCDPART(bp->b_dev) != RAW_PART) { 504 struct partition *p; 505 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 506 sc->mbx.blkno += p->p_offset; 507 } 508 sc->mbx.nblk = bp->b_bcount / sc->blksize; 509 sc->mbx.sz = sc->blksize; 510 sc->mbx.skip = 0; 511 sc->mbx.state = MCD_S_BEGIN; 512 sc->mbx.mode = MCD_MD_COOKED; 513 514 s = splbio(); 515 (void) mcdintr(sc); 516 splx(s); 517 } 518 519 int 520 mcdioctl(dev, cmd, addr, flag, p) 521 dev_t dev; 522 u_long cmd; 523 caddr_t addr; 524 int flag; 525 struct proc *p; 526 { 527 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 528 int error; 529 530 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 531 532 if ((sc->flags & MCDF_LOADED) == 0) 533 return EIO; 534 535 switch (cmd) { 536 case DIOCGDINFO: 537 *(struct disklabel *)addr = sc->sc_dk.dk_label; 538 return 0; 539 540 case DIOCGPART: 541 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 542 ((struct partinfo *)addr)->part = 543 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 544 return 0; 545 546 case DIOCWDINFO: 547 case DIOCSDINFO: 548 if ((flag & FWRITE) == 0) 549 return EBADF; 550 551 if (error = mcdlockwait(sc)) 552 return error; 553 sc->flags |= MCDF_LOCKED | MCDF_LABELLING; 554 555 error = setdisklabel(&sc->sc_dk.dk_label, 556 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 557 &sc->sc_dk.dk_cpulabel); 558 if (error == 0) { 559 } 560 561 sc->flags &= ~MCDF_LABELLING; 562 mcdunlock(sc); 563 return error; 564 565 case DIOCWLABEL: 566 return EBADF; 567 568 case CDIOCPLAYTRACKS: 569 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 570 case CDIOCPLAYMSF: 571 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 572 case CDIOCPLAYBLOCKS: 573 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 574 case CDIOCREADSUBCHANNEL: 575 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 576 case CDIOREADTOCHEADER: 577 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 578 case CDIOREADTOCENTRYS: 579 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 580 case CDIOCSETPATCH: 581 case CDIOCGETVOL: 582 case CDIOCSETVOL: 583 case CDIOCSETMONO: 584 case CDIOCSETSTEREO: 585 case CDIOCSETMUTE: 586 case CDIOCSETLEFT: 587 case CDIOCSETRIGHT: 588 return EINVAL; 589 case CDIOCRESUME: 590 return mcd_resume(sc); 591 case CDIOCPAUSE: 592 return mcd_pause(sc); 593 case CDIOCSTART: 594 return EINVAL; 595 case CDIOCSTOP: 596 return mcd_stop(sc); 597 case CDIOCEJECT: 598 return mcd_eject(sc); 599 case CDIOCALLOW: 600 return mcd_setlock(sc, MCD_LK_UNLOCK); 601 case CDIOCPREVENT: 602 return mcd_setlock(sc, MCD_LK_LOCK); 603 case CDIOCSETDEBUG: 604 sc->debug = 1; 605 return 0; 606 case CDIOCCLRDEBUG: 607 sc->debug = 0; 608 return 0; 609 case CDIOCRESET: 610 return mcd_hard_reset(sc); 611 612 default: 613 return ENOTTY; 614 } 615 616 #ifdef DIAGNOSTIC 617 panic("mcdioctl: impossible"); 618 #endif 619 } 620 621 /* 622 * This could have been taken from scsi/cd.c, but it is not clear 623 * whether the scsi cd driver is linked in. 624 */ 625 void 626 mcdgetdisklabel(sc) 627 struct mcd_softc *sc; 628 { 629 630 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 631 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 632 633 sc->sc_dk.dk_label.d_secsize = sc->blksize; 634 sc->sc_dk.dk_label.d_ntracks = 1; 635 sc->sc_dk.dk_label.d_nsectors = 100; 636 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 637 sc->sc_dk.dk_label.d_secpercyl = 638 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 639 640 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 641 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 642 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 643 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 644 sc->sc_dk.dk_label.d_rpm = 300; 645 sc->sc_dk.dk_label.d_interleave = 1; 646 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 647 648 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 649 sc->sc_dk.dk_label.d_partitions[0].p_size = 650 sc->sc_dk.dk_label.d_secperunit * 651 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 652 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 653 sc->sc_dk.dk_label.d_npartitions = 1; 654 655 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 656 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 657 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 658 } 659 660 int 661 mcd_get_parms(sc) 662 struct mcd_softc *sc; 663 { 664 struct mcd_mbox mbx; 665 daddr_t size; 666 int error; 667 668 /* Send volume info command. */ 669 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 670 mbx.cmd.length = 0; 671 mbx.res.length = sizeof(mbx.res.data.volinfo); 672 if ((error = mcd_send(sc, &mbx, 1)) != 0) 673 return error; 674 675 if (mbx.res.data.volinfo.trk_low == 0x00 && 676 mbx.res.data.volinfo.trk_high == 0x00) 677 return EINVAL; 678 679 /* Volinfo is OK. */ 680 sc->volinfo = mbx.res.data.volinfo; 681 sc->blksize = MCD_BLKSIZE_COOKED; 682 size = msf2hsg(sc->volinfo.vol_msf, 0); 683 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 684 return 0; 685 } 686 687 int 688 mcdsize(dev) 689 dev_t dev; 690 { 691 692 /* CD-ROMs are read-only. */ 693 return -1; 694 } 695 696 int 697 mcddump() 698 { 699 700 /* Not implemented. */ 701 return EINVAL; 702 } 703 704 int 705 mcdprobe(parent, match, aux) 706 struct device *parent; 707 void *match, *aux; 708 { 709 struct mcd_softc *sc = match; 710 struct isa_attach_args *ia = aux; 711 int iobase = ia->ia_iobase; 712 int irq; 713 int i; 714 struct mcd_mbox mbx; 715 716 sc->iobase = iobase; 717 718 /* Send a reset. */ 719 outb(iobase + MCD_RESET, 0); 720 delay(1000000); 721 /* Get any pending status and throw away. */ 722 for (i = 10; i; i--) 723 inb(iobase + MCD_STATUS); 724 delay(1000); 725 726 /* Send get status command. */ 727 mbx.cmd.opcode = MCD_CMDGETSTAT; 728 mbx.cmd.length = 0; 729 mbx.res.length = 0; 730 if (mcd_send(sc, &mbx, 0) != 0) 731 return 0; 732 733 /* Get info about the drive. */ 734 mbx.cmd.opcode = MCD_CMDCONTINFO; 735 mbx.cmd.length = 0; 736 mbx.res.length = sizeof(mbx.res.data.continfo); 737 if (mcd_send(sc, &mbx, 0) != 0) 738 return 0; 739 740 /* 741 * The following is code which is not guaranteed to work for all 742 * drives, because the meaning of the expected 'M' is not clear 743 * (M_itsumi is an obvious assumption, but I don't trust that). 744 * Also, the original hack had a bogus condition that always 745 * returned true. 746 * 747 * Note: Which models support interrupts? >=LU005S? 748 */ 749 switch (mbx.res.data.continfo.code) { 750 case 'M': 751 if (mbx.res.data.continfo.version <= 2) 752 sc->type = "LU002S"; 753 else if (mbx.res.data.continfo.version <= 5) 754 sc->type = "LU005S"; 755 else 756 sc->type = "LU006S"; 757 break; 758 case 'F': 759 sc->type = "FX001"; 760 break; 761 case 'D': 762 sc->type = "FX001D"; 763 break; 764 default: 765 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 766 sc->sc_dev.dv_xname, 767 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 768 sc->type = 0; 769 break; 770 } 771 772 ia->ia_iosize = 4; 773 ia->ia_msize = 0; 774 return 1; 775 } 776 777 int 778 mcd_getreply(sc) 779 struct mcd_softc *sc; 780 { 781 int iobase = sc->iobase; 782 int i; 783 784 /* Wait until xfer port senses data ready. */ 785 for (i = DELAY_GETREPLY; i; i--) { 786 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 787 break; 788 delay(DELAY_GRANULARITY); 789 } 790 if (!i) 791 return -1; 792 793 /* Get the data. */ 794 return inb(iobase + MCD_STATUS); 795 } 796 797 int 798 mcd_getstat(sc) 799 struct mcd_softc *sc; 800 { 801 struct mcd_mbox mbx; 802 803 mbx.cmd.opcode = MCD_CMDGETSTAT; 804 mbx.cmd.length = 0; 805 mbx.res.length = 0; 806 return mcd_send(sc, &mbx, 1); 807 } 808 809 int 810 mcd_getresult(sc, res) 811 struct mcd_softc *sc; 812 struct mcd_result *res; 813 { 814 int i, x; 815 816 if (sc->debug) 817 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 818 res->length); 819 820 if ((x = mcd_getreply(sc)) < 0) { 821 if (sc->debug) 822 printf(" timeout\n"); 823 else 824 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 825 return EIO; 826 } 827 if (sc->debug) 828 printf(" %02x", (u_int)x); 829 sc->status = x; 830 mcd_setflags(sc); 831 832 if ((sc->status & MCD_ST_CMDCHECK) != 0) 833 return EINVAL; 834 835 for (i = 0; i < res->length; i++) { 836 if ((x = mcd_getreply(sc)) < 0) { 837 if (sc->debug) 838 printf(" timeout\n"); 839 else 840 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 841 return EIO; 842 } 843 if (sc->debug) 844 printf(" %02x", (u_int)x); 845 res->data.raw.data[i] = x; 846 } 847 848 if (sc->debug) 849 printf(" succeeded\n"); 850 851 #if 1 852 delay(10); 853 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 854 x = inb(sc->iobase + MCD_STATUS); 855 printf("%s: got extra byte %02x during getstatus\n", 856 sc->sc_dev.dv_xname, (u_int)x); 857 delay(10); 858 } 859 #endif 860 861 return 0; 862 } 863 864 void 865 mcd_setflags(sc) 866 struct mcd_softc *sc; 867 { 868 869 /* Check flags. */ 870 if ((sc->flags & MCDF_LOADED) != 0 && 871 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 872 MCD_ST_DSKIN) { 873 if ((sc->status & MCD_ST_DOOROPEN) != 0) 874 printf("%s: door open\n", sc->sc_dev.dv_xname); 875 else if ((sc->status & MCD_ST_DSKIN) == 0) 876 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 877 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 878 printf("%s: media change\n", sc->sc_dev.dv_xname); 879 sc->flags &= ~MCDF_LOADED; 880 } 881 882 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 883 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 884 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 885 sc->audio_status == CD_AS_AUDIO_INVALID) 886 sc->audio_status = CD_AS_PLAY_COMPLETED; 887 } 888 889 int 890 mcd_send(sc, mbx, diskin) 891 struct mcd_softc *sc; 892 struct mcd_mbox *mbx; 893 int diskin; 894 { 895 int iobase = sc->iobase; 896 int retry, i, error; 897 898 if (sc->debug) { 899 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 900 mbx->cmd.length, (u_int)mbx->cmd.opcode); 901 for (i = 0; i < mbx->cmd.length; i++) 902 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 903 printf("\n"); 904 } 905 906 for (retry = MCD_RETRIES; retry; retry--) { 907 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 908 for (i = 0; i < mbx->cmd.length; i++) 909 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 910 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 911 break; 912 if (error == EINVAL) 913 return error; 914 } 915 if (!retry) 916 return error; 917 if (diskin && (sc->flags & MCDF_LOADED) == 0) 918 return EIO; 919 920 return 0; 921 } 922 923 static int 924 bcd2bin(b) 925 bcd_t b; 926 { 927 928 return (b >> 4) * 10 + (b & 15); 929 } 930 931 static bcd_t 932 bin2bcd(b) 933 int b; 934 { 935 936 return ((b / 10) << 4) | (b % 10); 937 } 938 939 static void 940 hsg2msf(hsg, msf) 941 int hsg; 942 bcd_t *msf; 943 { 944 945 hsg += 150; 946 F_msf(msf) = bin2bcd(hsg % 75); 947 hsg /= 75; 948 S_msf(msf) = bin2bcd(hsg % 60); 949 hsg /= 60; 950 M_msf(msf) = bin2bcd(hsg); 951 } 952 953 static daddr_t 954 msf2hsg(msf, relative) 955 bcd_t *msf; 956 int relative; 957 { 958 daddr_t blkno; 959 960 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 961 bcd2bin(S_msf(msf)) * 75 + 962 bcd2bin(F_msf(msf)); 963 if (!relative) 964 blkno -= 150; 965 return blkno; 966 } 967 968 void 969 mcd_pseudointr(sc) 970 struct mcd_softc *sc; 971 { 972 int s; 973 974 s = splbio(); 975 (void) mcdintr(sc); 976 splx(s); 977 } 978 979 /* 980 * State machine to process read requests. 981 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 982 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 983 * MCD_S_WAITREAD: wait for read ready, read data. 984 */ 985 int 986 mcdintr(arg) 987 void *arg; 988 { 989 struct mcd_softc *sc = arg; 990 struct mcd_mbx *mbx = &sc->mbx; 991 int iobase = sc->iobase; 992 struct buf *bp = mbx->bp; 993 994 int i; 995 u_char x; 996 bcd_t msf[3]; 997 998 switch (mbx->state) { 999 case MCD_S_IDLE: 1000 return 0; 1001 1002 case MCD_S_BEGIN: 1003 tryagain: 1004 if (mbx->mode == sc->lastmode) 1005 goto firstblock; 1006 1007 sc->lastmode = MCD_MD_UNKNOWN; 1008 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1009 outb(iobase + MCD_COMMAND, mbx->mode); 1010 1011 mbx->count = RDELAY_WAITMODE; 1012 mbx->state = MCD_S_WAITMODE; 1013 1014 case MCD_S_WAITMODE: 1015 untimeout(mcd_pseudointr, sc); 1016 for (i = 20; i; i--) { 1017 x = inb(iobase + MCD_XFER); 1018 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1019 break; 1020 delay(50); 1021 } 1022 if (i == 0) 1023 goto hold; 1024 sc->status = inb(iobase + MCD_STATUS); 1025 mcd_setflags(sc); 1026 if ((sc->flags & MCDF_LOADED) == 0) 1027 goto changed; 1028 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1029 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1030 1031 sc->lastmode = mbx->mode; 1032 1033 firstblock: 1034 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1035 bp, 0, 0); 1036 1037 /* Build parameter block. */ 1038 hsg2msf(mbx->blkno, msf); 1039 1040 /* Send the read command. */ 1041 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1042 outb(iobase + MCD_COMMAND, msf[0]); 1043 outb(iobase + MCD_COMMAND, msf[1]); 1044 outb(iobase + MCD_COMMAND, msf[2]); 1045 outb(iobase + MCD_COMMAND, 0); 1046 outb(iobase + MCD_COMMAND, 0); 1047 outb(iobase + MCD_COMMAND, mbx->nblk); 1048 1049 mbx->count = RDELAY_WAITREAD; 1050 mbx->state = MCD_S_WAITREAD; 1051 1052 case MCD_S_WAITREAD: 1053 untimeout(mcd_pseudointr, sc); 1054 nextblock: 1055 loop: 1056 for (i = 20; i; i--) { 1057 x = inb(iobase + MCD_XFER); 1058 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1059 goto gotblock; 1060 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1061 break; 1062 delay(50); 1063 } 1064 if (i == 0) 1065 goto hold; 1066 sc->status = inb(iobase + MCD_STATUS); 1067 mcd_setflags(sc); 1068 if ((sc->flags & MCDF_LOADED) == 0) 1069 goto changed; 1070 #if 0 1071 printf("%s: got status byte %02x during read\n", 1072 sc->sc_dev.dv_xname, (u_int)sc->status); 1073 #endif 1074 goto loop; 1075 1076 gotblock: 1077 MCD_TRACE("doread: got data delay=%d\n", 1078 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1079 1080 /* Data is ready. */ 1081 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1082 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1083 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1084 mbx->blkno += 1; 1085 mbx->skip += mbx->sz; 1086 if (--mbx->nblk > 0) 1087 goto nextblock; 1088 1089 mbx->state = MCD_S_IDLE; 1090 1091 /* Return buffer. */ 1092 bp->b_resid = 0; 1093 biodone(bp); 1094 1095 mcdstart(sc); 1096 return 1; 1097 1098 hold: 1099 if (mbx->count-- < 0) { 1100 printf("%s: timeout in state %d", 1101 sc->sc_dev.dv_xname, mbx->state); 1102 goto readerr; 1103 } 1104 1105 #if 0 1106 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1107 mbx->state); 1108 #endif 1109 timeout(mcd_pseudointr, sc, hz / 100); 1110 return -1; 1111 } 1112 1113 readerr: 1114 if (mbx->retry-- > 0) { 1115 printf("; retrying\n"); 1116 goto tryagain; 1117 } else 1118 printf("; giving up\n"); 1119 1120 changed: 1121 harderr: 1122 /* Invalidate the buffer. */ 1123 bp->b_flags |= B_ERROR; 1124 bp->b_resid = bp->b_bcount - mbx->skip; 1125 biodone(bp); 1126 1127 mcdstart(sc); 1128 return -1; 1129 1130 #ifdef notyet 1131 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1132 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1133 delay(300000); 1134 (void) mcd_getstat(sc, 1); 1135 (void) mcd_getstat(sc, 1); 1136 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1137 sc->debug = 1; /* preventive set debug mode */ 1138 #endif 1139 } 1140 1141 void 1142 mcd_soft_reset(sc) 1143 struct mcd_softc *sc; 1144 { 1145 1146 sc->debug = 0; 1147 sc->flags = 0; 1148 sc->lastmode = MCD_MD_UNKNOWN; 1149 sc->lastupc = MCD_UPC_UNKNOWN; 1150 sc->audio_status = CD_AS_AUDIO_INVALID; 1151 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1152 } 1153 1154 int 1155 mcd_hard_reset(sc) 1156 struct mcd_softc *sc; 1157 { 1158 struct mcd_mbox mbx; 1159 1160 mcd_soft_reset(sc); 1161 1162 mbx.cmd.opcode = MCD_CMDRESET; 1163 mbx.cmd.length = 0; 1164 mbx.res.length = 0; 1165 return mcd_send(sc, &mbx, 0); 1166 } 1167 1168 int 1169 mcd_setmode(sc, mode) 1170 struct mcd_softc *sc; 1171 int mode; 1172 { 1173 struct mcd_mbox mbx; 1174 int error; 1175 1176 if (sc->lastmode == mode) 1177 return 0; 1178 if (sc->debug) 1179 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1180 sc->lastmode = MCD_MD_UNKNOWN; 1181 1182 mbx.cmd.opcode = MCD_CMDSETMODE; 1183 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1184 mbx.cmd.data.datamode.mode = mode; 1185 mbx.res.length = 0; 1186 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1187 return error; 1188 1189 sc->lastmode = mode; 1190 return 0; 1191 } 1192 1193 int 1194 mcd_setupc(sc, upc) 1195 struct mcd_softc *sc; 1196 int upc; 1197 { 1198 struct mcd_mbox mbx; 1199 int error; 1200 1201 if (sc->lastupc == upc) 1202 return 0; 1203 if (sc->debug) 1204 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1205 sc->lastupc = MCD_UPC_UNKNOWN; 1206 1207 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1208 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1209 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1210 mbx.cmd.data.config.data1 = upc; 1211 mbx.res.length = 0; 1212 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1213 return error; 1214 1215 sc->lastupc = upc; 1216 return 0; 1217 } 1218 1219 int 1220 mcd_toc_header(sc, th) 1221 struct mcd_softc *sc; 1222 struct ioc_toc_header *th; 1223 { 1224 1225 if (sc->debug) 1226 printf("%s: mcd_toc_header: reading toc header\n", 1227 sc->sc_dev.dv_xname); 1228 1229 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1230 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1231 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1232 1233 return 0; 1234 } 1235 1236 int 1237 mcd_read_toc(sc) 1238 struct mcd_softc *sc; 1239 { 1240 struct ioc_toc_header th; 1241 union mcd_qchninfo q; 1242 int error, trk, idx, retry; 1243 1244 /* Only read TOC if needed. */ 1245 if ((sc->flags & MCDF_HAVETOC) != 0) 1246 return 0; 1247 1248 if ((error = mcd_toc_header(sc, &th)) != 0) 1249 return error; 1250 1251 if ((error = mcd_stop(sc)) != 0) 1252 return error; 1253 1254 if (sc->debug) 1255 printf("%s: read_toc: reading qchannel info\n", 1256 sc->sc_dev.dv_xname); 1257 1258 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1259 sc->toc[trk].toc.idx_no = 0x00; 1260 trk = th.ending_track - th.starting_track + 1; 1261 for (retry = 300; retry && trk > 0; retry--) { 1262 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1263 break; 1264 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1265 continue; 1266 idx = bcd2bin(q.toc.idx_no); 1267 if (idx < MCD_MAXTOCS && 1268 sc->toc[idx].toc.idx_no == 0x00) { 1269 sc->toc[idx] = q; 1270 trk--; 1271 } 1272 } 1273 1274 if (trk != 0) 1275 return EINVAL; 1276 1277 /* Add a fake last+1 for mcd_playtracks(). */ 1278 idx = th.ending_track + 1; 1279 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1280 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1281 sc->toc[idx].toc.trk_no = 0x00; 1282 sc->toc[idx].toc.idx_no = 0xaa; 1283 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1284 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1285 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1286 1287 sc->flags |= MCDF_HAVETOC; 1288 return 0; 1289 } 1290 1291 int 1292 mcd_toc_entries(sc, te) 1293 struct mcd_softc *sc; 1294 struct ioc_read_toc_entry *te; 1295 { 1296 int len = te->data_len; 1297 struct ret_toc { 1298 struct ioc_toc_header header; 1299 struct cd_toc_entry entries[MCD_MAXTOCS]; 1300 } data; 1301 u_char trk; 1302 daddr_t lba; 1303 int error, n; 1304 1305 if (len > sizeof(data.entries) || 1306 len < sizeof(struct cd_toc_entry)) 1307 return EINVAL; 1308 if (te->address_format != CD_MSF_FORMAT && 1309 te->address_format != CD_LBA_FORMAT) 1310 return EINVAL; 1311 1312 /* Copy the TOC header. */ 1313 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1314 return error; 1315 1316 /* Verify starting track. */ 1317 trk = te->starting_track; 1318 if (trk == 0x00) 1319 trk = data.header.starting_track; 1320 else if (trk == 0xaa) 1321 trk = data.header.ending_track + 1; 1322 else if (trk < data.header.starting_track || 1323 trk > data.header.ending_track + 1) 1324 return EINVAL; 1325 1326 /* Make sure we have a valid TOC. */ 1327 if ((error = mcd_read_toc(sc)) != 0) 1328 return error; 1329 1330 /* Copy the TOC data. */ 1331 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1332 if (sc->toc[trk].toc.idx_no == 0x00) 1333 continue; 1334 data.entries[n].control = sc->toc[trk].toc.control; 1335 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1336 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1337 switch (te->address_format) { 1338 case CD_MSF_FORMAT: 1339 data.entries[n].addr[0] = 0; 1340 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1341 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1342 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1343 break; 1344 case CD_LBA_FORMAT: 1345 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1346 data.entries[n].addr[0] = lba >> 24; 1347 data.entries[n].addr[1] = lba >> 16; 1348 data.entries[n].addr[2] = lba >> 8; 1349 data.entries[n].addr[3] = lba; 1350 break; 1351 } 1352 n++; 1353 } 1354 1355 len = min(len, n * sizeof(struct cd_toc_entry)); 1356 1357 /* Copy the data back. */ 1358 return copyout(&data.entries[0], te->data, len); 1359 } 1360 1361 int 1362 mcd_stop(sc) 1363 struct mcd_softc *sc; 1364 { 1365 struct mcd_mbox mbx; 1366 int error; 1367 1368 if (sc->debug) 1369 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1370 1371 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1372 mbx.cmd.length = 0; 1373 mbx.res.length = 0; 1374 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1375 return error; 1376 1377 sc->audio_status = CD_AS_PLAY_COMPLETED; 1378 return 0; 1379 } 1380 1381 int 1382 mcd_getqchan(sc, q, qchn) 1383 struct mcd_softc *sc; 1384 union mcd_qchninfo *q; 1385 int qchn; 1386 { 1387 struct mcd_mbox mbx; 1388 int error; 1389 1390 if (qchn == CD_TRACK_INFO) { 1391 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1392 return error; 1393 } else { 1394 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1395 return error; 1396 } 1397 if (qchn == CD_MEDIA_CATALOG) { 1398 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1399 return error; 1400 } else { 1401 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1402 return error; 1403 } 1404 1405 mbx.cmd.opcode = MCD_CMDGETQCHN; 1406 mbx.cmd.length = 0; 1407 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1408 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1409 return error; 1410 1411 *q = mbx.res.data.qchninfo; 1412 return 0; 1413 } 1414 1415 int 1416 mcd_read_subchannel(sc, ch) 1417 struct mcd_softc *sc; 1418 struct ioc_read_subchannel *ch; 1419 { 1420 int len = ch->data_len; 1421 union mcd_qchninfo q; 1422 struct cd_sub_channel_info data; 1423 daddr_t lba; 1424 int error; 1425 1426 if (sc->debug) 1427 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1428 ch->address_format, ch->data_format); 1429 1430 if (len > sizeof(data) || 1431 len < sizeof(struct cd_sub_channel_header)) 1432 return EINVAL; 1433 if (ch->address_format != CD_MSF_FORMAT && 1434 ch->address_format != CD_LBA_FORMAT) 1435 return EINVAL; 1436 if (ch->data_format != CD_CURRENT_POSITION && 1437 ch->data_format != CD_MEDIA_CATALOG) 1438 return EINVAL; 1439 1440 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1441 return error; 1442 1443 data.header.audio_status = sc->audio_status; 1444 data.what.media_catalog.data_format = ch->data_format; 1445 1446 switch (ch->data_format) { 1447 case CD_MEDIA_CATALOG: 1448 data.what.media_catalog.mc_valid = 1; 1449 #if 0 1450 data.what.media_catalog.mc_number = 1451 #endif 1452 break; 1453 1454 case CD_CURRENT_POSITION: 1455 data.what.position.track_number = bcd2bin(q.current.trk_no); 1456 data.what.position.index_number = bcd2bin(q.current.idx_no); 1457 switch (ch->address_format) { 1458 case CD_MSF_FORMAT: 1459 data.what.position.reladdr[0] = 0; 1460 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1461 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1462 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1463 data.what.position.absaddr[0] = 0; 1464 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1465 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1466 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1467 break; 1468 case CD_LBA_FORMAT: 1469 lba = msf2hsg(q.current.relative_pos, 1); 1470 /* 1471 * Pre-gap has index number of 0, and decreasing MSF 1472 * address. Must be converted to negative LBA, per 1473 * SCSI spec. 1474 */ 1475 if (data.what.position.index_number == 0x00) 1476 lba = -lba; 1477 data.what.position.reladdr[0] = lba >> 24; 1478 data.what.position.reladdr[1] = lba >> 16; 1479 data.what.position.reladdr[2] = lba >> 8; 1480 data.what.position.reladdr[3] = lba; 1481 lba = msf2hsg(q.current.absolute_pos, 0); 1482 data.what.position.absaddr[0] = lba >> 24; 1483 data.what.position.absaddr[1] = lba >> 16; 1484 data.what.position.absaddr[2] = lba >> 8; 1485 data.what.position.absaddr[3] = lba; 1486 break; 1487 } 1488 break; 1489 } 1490 1491 return copyout(&data, ch->data, len); 1492 } 1493 1494 int 1495 mcd_playtracks(sc, p) 1496 struct mcd_softc *sc; 1497 struct ioc_play_track *p; 1498 { 1499 struct mcd_mbox mbx; 1500 int a = p->start_track; 1501 int z = p->end_track; 1502 int error; 1503 1504 if ((error = mcd_read_toc(sc)) != 0) 1505 return error; 1506 1507 if (sc->debug) 1508 printf("%s: playtracks: from %d:%d to %d:%d\n", 1509 sc->sc_dev.dv_xname, 1510 a, p->start_index, z, p->end_index); 1511 1512 if (a < bcd2bin(sc->volinfo.trk_low) || 1513 a > bcd2bin(sc->volinfo.trk_high) || 1514 a > z || 1515 z < bcd2bin(sc->volinfo.trk_low) || 1516 z > bcd2bin(sc->volinfo.trk_high)) 1517 return EINVAL; 1518 1519 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1520 return error; 1521 1522 mbx.cmd.opcode = MCD_CMDREAD2; 1523 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1524 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1525 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1526 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1527 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1528 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1529 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1530 sc->lastpb = mbx.cmd; 1531 mbx.res.length = 0; 1532 return mcd_send(sc, &mbx, 1); 1533 } 1534 1535 int 1536 mcd_playmsf(sc, p) 1537 struct mcd_softc *sc; 1538 struct ioc_play_msf *p; 1539 { 1540 struct mcd_mbox mbx; 1541 int error; 1542 1543 if ((error = mcd_read_toc(sc)) != 0) 1544 return error; 1545 1546 if (sc->debug) 1547 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1548 sc->sc_dev.dv_xname, 1549 p->start_m, p->start_s, p->start_f, 1550 p->end_m, p->end_s, p->end_f); 1551 1552 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1553 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1554 return EINVAL; 1555 1556 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1557 return error; 1558 1559 mbx.cmd.opcode = MCD_CMDREAD2; 1560 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1561 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1562 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1563 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1564 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1565 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1566 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1567 sc->lastpb = mbx.cmd; 1568 mbx.res.length = 0; 1569 return mcd_send(sc, &mbx, 1); 1570 } 1571 1572 int 1573 mcd_playblocks(sc, p) 1574 struct mcd_softc *sc; 1575 struct ioc_play_blocks *p; 1576 { 1577 struct mcd_mbox mbx; 1578 int error; 1579 1580 if ((error = mcd_read_toc(sc)) != 0) 1581 return error; 1582 1583 if (sc->debug) 1584 printf("%s: playblocks: blkno %d length %d\n", 1585 sc->sc_dev.dv_xname, p->blk, p->len); 1586 1587 if (p->blk > sc->disksize || p->len > sc->disksize || 1588 (p->blk + p->len) > sc->disksize) 1589 return 0; 1590 1591 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1592 return error; 1593 1594 mbx.cmd.opcode = MCD_CMDREAD2; 1595 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1596 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1597 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1598 sc->lastpb = mbx.cmd; 1599 mbx.res.length = 0; 1600 return mcd_send(sc, &mbx, 1); 1601 } 1602 1603 int 1604 mcd_pause(sc) 1605 struct mcd_softc *sc; 1606 { 1607 union mcd_qchninfo q; 1608 int error; 1609 1610 /* Verify current status. */ 1611 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1612 printf("%s: pause: attempted when not playing\n", 1613 sc->sc_dev.dv_xname); 1614 return EINVAL; 1615 } 1616 1617 /* Get the current position. */ 1618 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1619 return error; 1620 1621 /* Copy it into lastpb. */ 1622 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1623 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1624 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1625 1626 /* Stop playing. */ 1627 if ((error = mcd_stop(sc)) != 0) 1628 return error; 1629 1630 /* Set the proper status and exit. */ 1631 sc->audio_status = CD_AS_PLAY_PAUSED; 1632 return 0; 1633 } 1634 1635 int 1636 mcd_resume(sc) 1637 struct mcd_softc *sc; 1638 { 1639 struct mcd_mbox mbx; 1640 int error; 1641 1642 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1643 return EINVAL; 1644 1645 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1646 return error; 1647 1648 mbx.cmd = sc->lastpb; 1649 mbx.res.length = 0; 1650 return mcd_send(sc, &mbx, 1); 1651 } 1652 1653 int 1654 mcd_eject(sc) 1655 struct mcd_softc *sc; 1656 { 1657 struct mcd_mbox mbx; 1658 1659 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1660 mbx.cmd.length = 0; 1661 mbx.res.length = 0; 1662 return mcd_send(sc, &mbx, 0); 1663 } 1664 1665 int 1666 mcd_setlock(sc, mode) 1667 struct mcd_softc *sc; 1668 int mode; 1669 { 1670 struct mcd_mbox mbx; 1671 1672 mbx.cmd.opcode = MCD_CMDSETLOCK; 1673 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1674 mbx.cmd.data.lockmode.mode = mode; 1675 mbx.res.length = 0; 1676 return mcd_send(sc, &mbx, 1); 1677 } 1678
Indexes created Tue Sep 30 11:09:46 GMT 2025