mcd.c revision 1.32
1 /* $NetBSD: mcd.c,v 1.32 1995/03/27 21:44:11 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 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 213 214 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 215 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 216 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 217 mbx.cmd.data.config.data1 = 0x01; 218 mbx.res.length = 0; 219 (void) mcd_send(sc, &mbx, 0); 220 221 mcd_soft_reset(sc); 222 223 sc->sc_dk.dk_driver = &mcddkdriver; 224 225 sc->sc_ih.ih_fun = mcdintr; 226 sc->sc_ih.ih_arg = sc; 227 sc->sc_ih.ih_level = IPL_BIO; 228 intr_establish(ia->ia_irq, IST_EDGE, &sc->sc_ih); 229 } 230 231 int 232 mcdlockwait(sc) 233 struct mcd_softc *sc; 234 { 235 int error; 236 237 while ((sc->flags & MCDF_LOCKED) != 0) { 238 sc->flags |= MCDF_WANTED; 239 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 240 return error; 241 } 242 return 0; 243 } 244 245 void 246 mcdunlock(sc) 247 struct mcd_softc *sc; 248 { 249 250 sc->flags &= ~MCDF_LOCKED; 251 if ((sc->flags & MCDF_WANTED) != 0) { 252 sc->flags &= ~MCDF_WANTED; 253 wakeup(sc); 254 } 255 } 256 257 int 258 mcdopen(dev, flag, fmt, p) 259 dev_t dev; 260 int flag, fmt; 261 struct proc *p; 262 { 263 int error; 264 int unit, part; 265 struct mcd_softc *sc; 266 267 unit = MCDUNIT(dev); 268 if (unit >= mcdcd.cd_ndevs) 269 return ENXIO; 270 sc = mcdcd.cd_devs[unit]; 271 if (!sc) 272 return ENXIO; 273 274 part = MCDPART(dev); 275 276 if (error = mcdlockwait(sc)) 277 return error; 278 279 if (sc->sc_dk.dk_openmask != 0) { 280 /* 281 * If any partition is open, but the disk has been invalidated, 282 * disallow further opens. 283 */ 284 if ((sc->flags & MCDF_LOADED) == 0) 285 return ENXIO; 286 } else { 287 sc->flags |= MCDF_LOCKED; 288 289 /* 290 * Lock the drawer. This will also notice any pending disk 291 * change or door open indicator and clear the MCDF_LOADED bit 292 * if necessary. 293 */ 294 (void) mcd_setlock(sc, MCD_LK_LOCK); 295 296 if ((sc->flags & MCDF_LOADED) == 0) { 297 /* Partially reset the state. */ 298 sc->flags &= ~MCDF_HAVETOC; 299 sc->lastmode = MCD_MD_UNKNOWN; 300 sc->lastupc = MCD_UPC_UNKNOWN; 301 302 sc->flags |= MCDF_LOADED; 303 304 /* Set the mode, causing the disk to spin up. */ 305 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 306 goto bad2; 307 308 /* Load the physical device parameters. */ 309 if (mcd_get_parms(sc) != 0) { 310 error = ENXIO; 311 goto bad2; 312 } 313 314 /* Fabricate a disk label. */ 315 mcdgetdisklabel(sc); 316 } 317 318 mcdunlock(sc); 319 } 320 321 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 322 sc->disksize, sc->blksize, 0); 323 324 /* Check that the partition exists. */ 325 if (part != RAW_PART && 326 (part >= sc->sc_dk.dk_label.d_npartitions || 327 sc->sc_dk.dk_label.d_partitions[part].p_fstype == FS_UNUSED)) { 328 error = ENXIO; 329 goto bad; 330 } 331 332 /* Insure only one open at a time. */ 333 switch (fmt) { 334 case S_IFCHR: 335 sc->sc_dk.dk_copenmask |= (1 << part); 336 break; 337 case S_IFBLK: 338 sc->sc_dk.dk_bopenmask |= (1 << part); 339 break; 340 } 341 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 342 343 return 0; 344 345 bad2: 346 sc->flags &= ~MCDF_LOADED; 347 348 bad: 349 if (sc->sc_dk.dk_openmask == 0) { 350 #if 0 351 (void) mcd_setmode(sc, MCD_MD_SLEEP); 352 #endif 353 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 354 355 mcdunlock(sc); 356 } 357 358 return error; 359 } 360 361 int 362 mcdclose(dev, flag, fmt) 363 dev_t dev; 364 int flag, fmt; 365 { 366 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 367 int part = MCDPART(dev); 368 int s; 369 370 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 371 372 switch (fmt) { 373 case S_IFCHR: 374 sc->sc_dk.dk_copenmask &= ~(1 << part); 375 break; 376 case S_IFBLK: 377 sc->sc_dk.dk_bopenmask &= ~(1 << part); 378 break; 379 } 380 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 381 382 if (sc->sc_dk.dk_openmask == 0) { 383 /* 384 * If we're closing the last partition, nobody else could be 385 * holding the lock, so don't bother to check. 386 */ 387 sc->flags |= MCDF_LOCKED; 388 389 #if 0 390 s = splbio(); 391 while (...) { 392 sc->flags |= MCDF_WAITING; 393 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdcls", 0)) != 0) 394 return error; 395 } 396 splx(s); 397 #endif 398 399 #if 0 400 (void) mcd_setmode(sc, MCD_MD_SLEEP); 401 #endif 402 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 403 404 mcdunlock(sc); 405 } 406 407 return 0; 408 } 409 410 void 411 mcdstrategy(bp) 412 struct buf *bp; 413 { 414 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 415 int s; 416 417 /* Test validity. */ 418 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 419 bp->b_blkno, bp->b_bcount, 0); 420 if (bp->b_blkno < 0 || 421 (bp->b_bcount % sc->blksize) != 0) { 422 printf("%s: strategy: blkno = %d bcount = %d\n", 423 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 424 bp->b_error = EINVAL; 425 goto bad; 426 } 427 428 /* If device invalidated (e.g. media change, door open), error. */ 429 if ((sc->flags & MCDF_LOADED) == 0) { 430 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 431 bp->b_error = EIO; 432 goto bad; 433 } 434 435 /* No data to read. */ 436 if (bp->b_bcount == 0) 437 goto done; 438 439 /* 440 * Do bounds checking, adjust transfer. if error, process. 441 * If end of partition, just return. 442 */ 443 if (bounds_check_with_label(bp, &sc->sc_dk.dk_label, 444 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 445 goto done; 446 447 /* Queue it. */ 448 s = splbio(); 449 disksort(&sc->buf_queue, bp); 450 splx(s); 451 if (!sc->buf_queue.b_active) 452 mcdstart(sc); 453 return; 454 455 bad: 456 bp->b_flags |= B_ERROR; 457 done: 458 bp->b_resid = bp->b_bcount; 459 biodone(bp); 460 } 461 462 void 463 mcdstart(sc) 464 struct mcd_softc *sc; 465 { 466 struct buf *bp, *dp = &sc->buf_queue; 467 int s; 468 469 loop: 470 s = splbio(); 471 472 bp = dp->b_actf; 473 if (bp == NULL) { 474 /* Nothing to do. */ 475 dp->b_active = 0; 476 splx(s); 477 return; 478 } 479 480 /* Block found to process; dequeue. */ 481 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 482 dp->b_actf = bp->b_actf; 483 splx(s); 484 485 /* Changed media? */ 486 if ((sc->flags & MCDF_LOADED) == 0) { 487 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 488 bp->b_error = EIO; 489 bp->b_flags |= B_ERROR; 490 biodone(bp); 491 goto loop; 492 } 493 494 dp->b_active = 1; 495 496 sc->mbx.retry = MCD_RDRETRIES; 497 sc->mbx.bp = bp; 498 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 499 if (MCDPART(bp->b_dev) != RAW_PART) { 500 struct partition *p; 501 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 502 sc->mbx.blkno += p->p_offset; 503 } 504 sc->mbx.nblk = bp->b_bcount / sc->blksize; 505 sc->mbx.sz = sc->blksize; 506 sc->mbx.skip = 0; 507 sc->mbx.state = MCD_S_BEGIN; 508 sc->mbx.mode = MCD_MD_COOKED; 509 510 s = splbio(); 511 (void) mcdintr(sc); 512 splx(s); 513 } 514 515 int 516 mcdioctl(dev, cmd, addr, flag, p) 517 dev_t dev; 518 u_long cmd; 519 caddr_t addr; 520 int flag; 521 struct proc *p; 522 { 523 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 524 int error; 525 526 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 527 528 if ((sc->flags & MCDF_LOADED) == 0) 529 return EIO; 530 531 switch (cmd) { 532 case DIOCGDINFO: 533 *(struct disklabel *)addr = sc->sc_dk.dk_label; 534 return 0; 535 536 case DIOCGPART: 537 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 538 ((struct partinfo *)addr)->part = 539 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 540 return 0; 541 542 case DIOCWDINFO: 543 case DIOCSDINFO: 544 if ((flag & FWRITE) == 0) 545 return EBADF; 546 547 if (error = mcdlockwait(sc)) 548 return error; 549 sc->flags |= MCDF_LOCKED | MCDF_LABELLING; 550 551 error = setdisklabel(&sc->sc_dk.dk_label, 552 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 553 &sc->sc_dk.dk_cpulabel); 554 if (error == 0) { 555 } 556 557 sc->flags &= ~MCDF_LABELLING; 558 mcdunlock(sc); 559 return error; 560 561 case DIOCWLABEL: 562 return EBADF; 563 564 case CDIOCPLAYTRACKS: 565 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 566 case CDIOCPLAYMSF: 567 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 568 case CDIOCPLAYBLOCKS: 569 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 570 case CDIOCREADSUBCHANNEL: 571 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 572 case CDIOREADTOCHEADER: 573 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 574 case CDIOREADTOCENTRYS: 575 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 576 case CDIOCSETPATCH: 577 case CDIOCGETVOL: 578 case CDIOCSETVOL: 579 case CDIOCSETMONO: 580 case CDIOCSETSTEREO: 581 case CDIOCSETMUTE: 582 case CDIOCSETLEFT: 583 case CDIOCSETRIGHT: 584 return EINVAL; 585 case CDIOCRESUME: 586 return mcd_resume(sc); 587 case CDIOCPAUSE: 588 return mcd_pause(sc); 589 case CDIOCSTART: 590 return EINVAL; 591 case CDIOCSTOP: 592 return mcd_stop(sc); 593 case CDIOCEJECT: 594 return mcd_eject(sc); 595 case CDIOCALLOW: 596 return mcd_setlock(sc, MCD_LK_UNLOCK); 597 case CDIOCPREVENT: 598 return mcd_setlock(sc, MCD_LK_LOCK); 599 case CDIOCSETDEBUG: 600 sc->debug = 1; 601 return 0; 602 case CDIOCCLRDEBUG: 603 sc->debug = 0; 604 return 0; 605 case CDIOCRESET: 606 return mcd_hard_reset(sc); 607 608 default: 609 return ENOTTY; 610 } 611 612 #ifdef DIAGNOSTIC 613 panic("mcdioctl: impossible"); 614 #endif 615 } 616 617 /* 618 * This could have been taken from scsi/cd.c, but it is not clear 619 * whether the scsi cd driver is linked in. 620 */ 621 void 622 mcdgetdisklabel(sc) 623 struct mcd_softc *sc; 624 { 625 626 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 627 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 628 629 sc->sc_dk.dk_label.d_secsize = sc->blksize; 630 sc->sc_dk.dk_label.d_ntracks = 1; 631 sc->sc_dk.dk_label.d_nsectors = 100; 632 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 633 sc->sc_dk.dk_label.d_secpercyl = 634 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 635 636 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 637 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 638 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 639 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 640 sc->sc_dk.dk_label.d_rpm = 300; 641 sc->sc_dk.dk_label.d_interleave = 1; 642 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 643 644 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 645 sc->sc_dk.dk_label.d_partitions[0].p_size = 646 sc->sc_dk.dk_label.d_secperunit * 647 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 648 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 649 sc->sc_dk.dk_label.d_npartitions = 1; 650 651 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 652 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 653 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 654 } 655 656 int 657 mcd_get_parms(sc) 658 struct mcd_softc *sc; 659 { 660 struct mcd_mbox mbx; 661 daddr_t size; 662 int error; 663 664 /* Send volume info command. */ 665 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 666 mbx.cmd.length = 0; 667 mbx.res.length = sizeof(mbx.res.data.volinfo); 668 if ((error = mcd_send(sc, &mbx, 1)) != 0) 669 return error; 670 671 if (mbx.res.data.volinfo.trk_low == 0x00 && 672 mbx.res.data.volinfo.trk_high == 0x00) 673 return EINVAL; 674 675 /* Volinfo is OK. */ 676 sc->volinfo = mbx.res.data.volinfo; 677 sc->blksize = MCD_BLKSIZE_COOKED; 678 size = msf2hsg(sc->volinfo.vol_msf, 0); 679 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 680 return 0; 681 } 682 683 int 684 mcdsize(dev) 685 dev_t dev; 686 { 687 688 /* CD-ROMs are read-only. */ 689 return -1; 690 } 691 692 int 693 mcddump() 694 { 695 696 /* Not implemented. */ 697 return EINVAL; 698 } 699 700 int 701 mcdprobe(parent, match, aux) 702 struct device *parent; 703 void *match, *aux; 704 { 705 struct mcd_softc *sc = match; 706 struct isa_attach_args *ia = aux; 707 int iobase = ia->ia_iobase; 708 int i; 709 struct mcd_mbox mbx; 710 711 sc->iobase = iobase; 712 713 /* Send a reset. */ 714 outb(iobase + MCD_RESET, 0); 715 delay(1000000); 716 /* Get any pending status and throw away. */ 717 for (i = 10; i; i--) 718 inb(iobase + MCD_STATUS); 719 delay(1000); 720 721 /* Send get status command. */ 722 mbx.cmd.opcode = MCD_CMDGETSTAT; 723 mbx.cmd.length = 0; 724 mbx.res.length = 0; 725 if (mcd_send(sc, &mbx, 0) != 0) 726 return 0; 727 728 /* Get info about the drive. */ 729 mbx.cmd.opcode = MCD_CMDCONTINFO; 730 mbx.cmd.length = 0; 731 mbx.res.length = sizeof(mbx.res.data.continfo); 732 if (mcd_send(sc, &mbx, 0) != 0) 733 return 0; 734 735 /* 736 * The following is code which is not guaranteed to work for all 737 * drives, because the meaning of the expected 'M' is not clear 738 * (M_itsumi is an obvious assumption, but I don't trust that). 739 * Also, the original hack had a bogus condition that always 740 * returned true. 741 * 742 * Note: Which models support interrupts? >=LU005S? 743 */ 744 switch (mbx.res.data.continfo.code) { 745 case 'M': 746 if (mbx.res.data.continfo.version <= 2) 747 sc->type = "LU002S"; 748 else if (mbx.res.data.continfo.version <= 5) 749 sc->type = "LU005S"; 750 else 751 sc->type = "LU006S"; 752 break; 753 case 'F': 754 sc->type = "FX001"; 755 break; 756 case 'D': 757 sc->type = "FX001D"; 758 break; 759 default: 760 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 761 sc->sc_dev.dv_xname, 762 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 763 sc->type = 0; 764 break; 765 } 766 767 ia->ia_iosize = 4; 768 ia->ia_msize = 0; 769 return 1; 770 } 771 772 int 773 mcd_getreply(sc) 774 struct mcd_softc *sc; 775 { 776 int iobase = sc->iobase; 777 int i; 778 779 /* Wait until xfer port senses data ready. */ 780 for (i = DELAY_GETREPLY; i; i--) { 781 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 782 break; 783 delay(DELAY_GRANULARITY); 784 } 785 if (!i) 786 return -1; 787 788 /* Get the data. */ 789 return inb(iobase + MCD_STATUS); 790 } 791 792 int 793 mcd_getstat(sc) 794 struct mcd_softc *sc; 795 { 796 struct mcd_mbox mbx; 797 798 mbx.cmd.opcode = MCD_CMDGETSTAT; 799 mbx.cmd.length = 0; 800 mbx.res.length = 0; 801 return mcd_send(sc, &mbx, 1); 802 } 803 804 int 805 mcd_getresult(sc, res) 806 struct mcd_softc *sc; 807 struct mcd_result *res; 808 { 809 int i, x; 810 811 if (sc->debug) 812 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 813 res->length); 814 815 if ((x = mcd_getreply(sc)) < 0) { 816 if (sc->debug) 817 printf(" timeout\n"); 818 else 819 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 820 return EIO; 821 } 822 if (sc->debug) 823 printf(" %02x", (u_int)x); 824 sc->status = x; 825 mcd_setflags(sc); 826 827 if ((sc->status & MCD_ST_CMDCHECK) != 0) 828 return EINVAL; 829 830 for (i = 0; i < res->length; i++) { 831 if ((x = mcd_getreply(sc)) < 0) { 832 if (sc->debug) 833 printf(" timeout\n"); 834 else 835 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 836 return EIO; 837 } 838 if (sc->debug) 839 printf(" %02x", (u_int)x); 840 res->data.raw.data[i] = x; 841 } 842 843 if (sc->debug) 844 printf(" succeeded\n"); 845 846 #if 1 847 delay(10); 848 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 849 x = inb(sc->iobase + MCD_STATUS); 850 printf("%s: got extra byte %02x during getstatus\n", 851 sc->sc_dev.dv_xname, (u_int)x); 852 delay(10); 853 } 854 #endif 855 856 return 0; 857 } 858 859 void 860 mcd_setflags(sc) 861 struct mcd_softc *sc; 862 { 863 864 /* Check flags. */ 865 if ((sc->flags & MCDF_LOADED) != 0 && 866 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 867 MCD_ST_DSKIN) { 868 if ((sc->status & MCD_ST_DOOROPEN) != 0) 869 printf("%s: door open\n", sc->sc_dev.dv_xname); 870 else if ((sc->status & MCD_ST_DSKIN) == 0) 871 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 872 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 873 printf("%s: media change\n", sc->sc_dev.dv_xname); 874 sc->flags &= ~MCDF_LOADED; 875 } 876 877 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 878 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 879 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 880 sc->audio_status == CD_AS_AUDIO_INVALID) 881 sc->audio_status = CD_AS_PLAY_COMPLETED; 882 } 883 884 int 885 mcd_send(sc, mbx, diskin) 886 struct mcd_softc *sc; 887 struct mcd_mbox *mbx; 888 int diskin; 889 { 890 int iobase = sc->iobase; 891 int retry, i, error; 892 893 if (sc->debug) { 894 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 895 mbx->cmd.length, (u_int)mbx->cmd.opcode); 896 for (i = 0; i < mbx->cmd.length; i++) 897 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 898 printf("\n"); 899 } 900 901 for (retry = MCD_RETRIES; retry; retry--) { 902 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 903 for (i = 0; i < mbx->cmd.length; i++) 904 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 905 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 906 break; 907 if (error == EINVAL) 908 return error; 909 } 910 if (!retry) 911 return error; 912 if (diskin && (sc->flags & MCDF_LOADED) == 0) 913 return EIO; 914 915 return 0; 916 } 917 918 static int 919 bcd2bin(b) 920 bcd_t b; 921 { 922 923 return (b >> 4) * 10 + (b & 15); 924 } 925 926 static bcd_t 927 bin2bcd(b) 928 int b; 929 { 930 931 return ((b / 10) << 4) | (b % 10); 932 } 933 934 static void 935 hsg2msf(hsg, msf) 936 int hsg; 937 bcd_t *msf; 938 { 939 940 hsg += 150; 941 F_msf(msf) = bin2bcd(hsg % 75); 942 hsg /= 75; 943 S_msf(msf) = bin2bcd(hsg % 60); 944 hsg /= 60; 945 M_msf(msf) = bin2bcd(hsg); 946 } 947 948 static daddr_t 949 msf2hsg(msf, relative) 950 bcd_t *msf; 951 int relative; 952 { 953 daddr_t blkno; 954 955 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 956 bcd2bin(S_msf(msf)) * 75 + 957 bcd2bin(F_msf(msf)); 958 if (!relative) 959 blkno -= 150; 960 return blkno; 961 } 962 963 void 964 mcd_pseudointr(sc) 965 struct mcd_softc *sc; 966 { 967 int s; 968 969 s = splbio(); 970 (void) mcdintr(sc); 971 splx(s); 972 } 973 974 /* 975 * State machine to process read requests. 976 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 977 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 978 * MCD_S_WAITREAD: wait for read ready, read data. 979 */ 980 int 981 mcdintr(arg) 982 void *arg; 983 { 984 struct mcd_softc *sc = arg; 985 struct mcd_mbx *mbx = &sc->mbx; 986 int iobase = sc->iobase; 987 struct buf *bp = mbx->bp; 988 989 int i; 990 u_char x; 991 bcd_t msf[3]; 992 993 switch (mbx->state) { 994 case MCD_S_IDLE: 995 return 0; 996 997 case MCD_S_BEGIN: 998 tryagain: 999 if (mbx->mode == sc->lastmode) 1000 goto firstblock; 1001 1002 sc->lastmode = MCD_MD_UNKNOWN; 1003 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1004 outb(iobase + MCD_COMMAND, mbx->mode); 1005 1006 mbx->count = RDELAY_WAITMODE; 1007 mbx->state = MCD_S_WAITMODE; 1008 1009 case MCD_S_WAITMODE: 1010 untimeout(mcd_pseudointr, sc); 1011 for (i = 20; i; i--) { 1012 x = inb(iobase + MCD_XFER); 1013 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1014 break; 1015 delay(50); 1016 } 1017 if (i == 0) 1018 goto hold; 1019 sc->status = inb(iobase + MCD_STATUS); 1020 mcd_setflags(sc); 1021 if ((sc->flags & MCDF_LOADED) == 0) 1022 goto changed; 1023 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1024 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1025 1026 sc->lastmode = mbx->mode; 1027 1028 firstblock: 1029 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1030 bp, 0, 0); 1031 1032 /* Build parameter block. */ 1033 hsg2msf(mbx->blkno, msf); 1034 1035 /* Send the read command. */ 1036 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1037 outb(iobase + MCD_COMMAND, msf[0]); 1038 outb(iobase + MCD_COMMAND, msf[1]); 1039 outb(iobase + MCD_COMMAND, msf[2]); 1040 outb(iobase + MCD_COMMAND, 0); 1041 outb(iobase + MCD_COMMAND, 0); 1042 outb(iobase + MCD_COMMAND, mbx->nblk); 1043 1044 mbx->count = RDELAY_WAITREAD; 1045 mbx->state = MCD_S_WAITREAD; 1046 1047 case MCD_S_WAITREAD: 1048 untimeout(mcd_pseudointr, sc); 1049 nextblock: 1050 loop: 1051 for (i = 20; i; i--) { 1052 x = inb(iobase + MCD_XFER); 1053 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1054 goto gotblock; 1055 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1056 break; 1057 delay(50); 1058 } 1059 if (i == 0) 1060 goto hold; 1061 sc->status = inb(iobase + MCD_STATUS); 1062 mcd_setflags(sc); 1063 if ((sc->flags & MCDF_LOADED) == 0) 1064 goto changed; 1065 #if 0 1066 printf("%s: got status byte %02x during read\n", 1067 sc->sc_dev.dv_xname, (u_int)sc->status); 1068 #endif 1069 goto loop; 1070 1071 gotblock: 1072 MCD_TRACE("doread: got data delay=%d\n", 1073 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1074 1075 /* Data is ready. */ 1076 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1077 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1078 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1079 mbx->blkno += 1; 1080 mbx->skip += mbx->sz; 1081 if (--mbx->nblk > 0) 1082 goto nextblock; 1083 1084 mbx->state = MCD_S_IDLE; 1085 1086 /* Return buffer. */ 1087 bp->b_resid = 0; 1088 biodone(bp); 1089 1090 mcdstart(sc); 1091 return 1; 1092 1093 hold: 1094 if (mbx->count-- < 0) { 1095 printf("%s: timeout in state %d", 1096 sc->sc_dev.dv_xname, mbx->state); 1097 goto readerr; 1098 } 1099 1100 #if 0 1101 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1102 mbx->state); 1103 #endif 1104 timeout(mcd_pseudointr, sc, hz / 100); 1105 return -1; 1106 } 1107 1108 readerr: 1109 if (mbx->retry-- > 0) { 1110 printf("; retrying\n"); 1111 goto tryagain; 1112 } else 1113 printf("; giving up\n"); 1114 1115 changed: 1116 harderr: 1117 /* Invalidate the buffer. */ 1118 bp->b_flags |= B_ERROR; 1119 bp->b_resid = bp->b_bcount - mbx->skip; 1120 biodone(bp); 1121 1122 mcdstart(sc); 1123 return -1; 1124 1125 #ifdef notyet 1126 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1127 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1128 delay(300000); 1129 (void) mcd_getstat(sc, 1); 1130 (void) mcd_getstat(sc, 1); 1131 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1132 sc->debug = 1; /* preventive set debug mode */ 1133 #endif 1134 } 1135 1136 void 1137 mcd_soft_reset(sc) 1138 struct mcd_softc *sc; 1139 { 1140 1141 sc->debug = 0; 1142 sc->flags = 0; 1143 sc->lastmode = MCD_MD_UNKNOWN; 1144 sc->lastupc = MCD_UPC_UNKNOWN; 1145 sc->audio_status = CD_AS_AUDIO_INVALID; 1146 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1147 } 1148 1149 int 1150 mcd_hard_reset(sc) 1151 struct mcd_softc *sc; 1152 { 1153 struct mcd_mbox mbx; 1154 1155 mcd_soft_reset(sc); 1156 1157 mbx.cmd.opcode = MCD_CMDRESET; 1158 mbx.cmd.length = 0; 1159 mbx.res.length = 0; 1160 return mcd_send(sc, &mbx, 0); 1161 } 1162 1163 int 1164 mcd_setmode(sc, mode) 1165 struct mcd_softc *sc; 1166 int mode; 1167 { 1168 struct mcd_mbox mbx; 1169 int error; 1170 1171 if (sc->lastmode == mode) 1172 return 0; 1173 if (sc->debug) 1174 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1175 sc->lastmode = MCD_MD_UNKNOWN; 1176 1177 mbx.cmd.opcode = MCD_CMDSETMODE; 1178 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1179 mbx.cmd.data.datamode.mode = mode; 1180 mbx.res.length = 0; 1181 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1182 return error; 1183 1184 sc->lastmode = mode; 1185 return 0; 1186 } 1187 1188 int 1189 mcd_setupc(sc, upc) 1190 struct mcd_softc *sc; 1191 int upc; 1192 { 1193 struct mcd_mbox mbx; 1194 int error; 1195 1196 if (sc->lastupc == upc) 1197 return 0; 1198 if (sc->debug) 1199 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1200 sc->lastupc = MCD_UPC_UNKNOWN; 1201 1202 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1203 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1204 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1205 mbx.cmd.data.config.data1 = upc; 1206 mbx.res.length = 0; 1207 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1208 return error; 1209 1210 sc->lastupc = upc; 1211 return 0; 1212 } 1213 1214 int 1215 mcd_toc_header(sc, th) 1216 struct mcd_softc *sc; 1217 struct ioc_toc_header *th; 1218 { 1219 1220 if (sc->debug) 1221 printf("%s: mcd_toc_header: reading toc header\n", 1222 sc->sc_dev.dv_xname); 1223 1224 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1225 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1226 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1227 1228 return 0; 1229 } 1230 1231 int 1232 mcd_read_toc(sc) 1233 struct mcd_softc *sc; 1234 { 1235 struct ioc_toc_header th; 1236 union mcd_qchninfo q; 1237 int error, trk, idx, retry; 1238 1239 /* Only read TOC if needed. */ 1240 if ((sc->flags & MCDF_HAVETOC) != 0) 1241 return 0; 1242 1243 if ((error = mcd_toc_header(sc, &th)) != 0) 1244 return error; 1245 1246 if ((error = mcd_stop(sc)) != 0) 1247 return error; 1248 1249 if (sc->debug) 1250 printf("%s: read_toc: reading qchannel info\n", 1251 sc->sc_dev.dv_xname); 1252 1253 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1254 sc->toc[trk].toc.idx_no = 0x00; 1255 trk = th.ending_track - th.starting_track + 1; 1256 for (retry = 300; retry && trk > 0; retry--) { 1257 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1258 break; 1259 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1260 continue; 1261 idx = bcd2bin(q.toc.idx_no); 1262 if (idx < MCD_MAXTOCS && 1263 sc->toc[idx].toc.idx_no == 0x00) { 1264 sc->toc[idx] = q; 1265 trk--; 1266 } 1267 } 1268 1269 if (trk != 0) 1270 return EINVAL; 1271 1272 /* Add a fake last+1 for mcd_playtracks(). */ 1273 idx = th.ending_track + 1; 1274 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1275 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1276 sc->toc[idx].toc.trk_no = 0x00; 1277 sc->toc[idx].toc.idx_no = 0xaa; 1278 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1279 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1280 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1281 1282 sc->flags |= MCDF_HAVETOC; 1283 return 0; 1284 } 1285 1286 int 1287 mcd_toc_entries(sc, te) 1288 struct mcd_softc *sc; 1289 struct ioc_read_toc_entry *te; 1290 { 1291 int len = te->data_len; 1292 struct ret_toc { 1293 struct ioc_toc_header header; 1294 struct cd_toc_entry entries[MCD_MAXTOCS]; 1295 } data; 1296 u_char trk; 1297 daddr_t lba; 1298 int error, n; 1299 1300 if (len > sizeof(data.entries) || 1301 len < sizeof(struct cd_toc_entry)) 1302 return EINVAL; 1303 if (te->address_format != CD_MSF_FORMAT && 1304 te->address_format != CD_LBA_FORMAT) 1305 return EINVAL; 1306 1307 /* Copy the TOC header. */ 1308 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1309 return error; 1310 1311 /* Verify starting track. */ 1312 trk = te->starting_track; 1313 if (trk == 0x00) 1314 trk = data.header.starting_track; 1315 else if (trk == 0xaa) 1316 trk = data.header.ending_track + 1; 1317 else if (trk < data.header.starting_track || 1318 trk > data.header.ending_track + 1) 1319 return EINVAL; 1320 1321 /* Make sure we have a valid TOC. */ 1322 if ((error = mcd_read_toc(sc)) != 0) 1323 return error; 1324 1325 /* Copy the TOC data. */ 1326 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1327 if (sc->toc[trk].toc.idx_no == 0x00) 1328 continue; 1329 data.entries[n].control = sc->toc[trk].toc.control; 1330 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1331 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1332 switch (te->address_format) { 1333 case CD_MSF_FORMAT: 1334 data.entries[n].addr[0] = 0; 1335 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1336 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1337 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1338 break; 1339 case CD_LBA_FORMAT: 1340 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1341 data.entries[n].addr[0] = lba >> 24; 1342 data.entries[n].addr[1] = lba >> 16; 1343 data.entries[n].addr[2] = lba >> 8; 1344 data.entries[n].addr[3] = lba; 1345 break; 1346 } 1347 n++; 1348 } 1349 1350 len = min(len, n * sizeof(struct cd_toc_entry)); 1351 1352 /* Copy the data back. */ 1353 return copyout(&data.entries[0], te->data, len); 1354 } 1355 1356 int 1357 mcd_stop(sc) 1358 struct mcd_softc *sc; 1359 { 1360 struct mcd_mbox mbx; 1361 int error; 1362 1363 if (sc->debug) 1364 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1365 1366 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1367 mbx.cmd.length = 0; 1368 mbx.res.length = 0; 1369 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1370 return error; 1371 1372 sc->audio_status = CD_AS_PLAY_COMPLETED; 1373 return 0; 1374 } 1375 1376 int 1377 mcd_getqchan(sc, q, qchn) 1378 struct mcd_softc *sc; 1379 union mcd_qchninfo *q; 1380 int qchn; 1381 { 1382 struct mcd_mbox mbx; 1383 int error; 1384 1385 if (qchn == CD_TRACK_INFO) { 1386 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1387 return error; 1388 } else { 1389 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1390 return error; 1391 } 1392 if (qchn == CD_MEDIA_CATALOG) { 1393 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1394 return error; 1395 } else { 1396 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1397 return error; 1398 } 1399 1400 mbx.cmd.opcode = MCD_CMDGETQCHN; 1401 mbx.cmd.length = 0; 1402 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1403 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1404 return error; 1405 1406 *q = mbx.res.data.qchninfo; 1407 return 0; 1408 } 1409 1410 int 1411 mcd_read_subchannel(sc, ch) 1412 struct mcd_softc *sc; 1413 struct ioc_read_subchannel *ch; 1414 { 1415 int len = ch->data_len; 1416 union mcd_qchninfo q; 1417 struct cd_sub_channel_info data; 1418 daddr_t lba; 1419 int error; 1420 1421 if (sc->debug) 1422 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1423 ch->address_format, ch->data_format); 1424 1425 if (len > sizeof(data) || 1426 len < sizeof(struct cd_sub_channel_header)) 1427 return EINVAL; 1428 if (ch->address_format != CD_MSF_FORMAT && 1429 ch->address_format != CD_LBA_FORMAT) 1430 return EINVAL; 1431 if (ch->data_format != CD_CURRENT_POSITION && 1432 ch->data_format != CD_MEDIA_CATALOG) 1433 return EINVAL; 1434 1435 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1436 return error; 1437 1438 data.header.audio_status = sc->audio_status; 1439 data.what.media_catalog.data_format = ch->data_format; 1440 1441 switch (ch->data_format) { 1442 case CD_MEDIA_CATALOG: 1443 data.what.media_catalog.mc_valid = 1; 1444 #if 0 1445 data.what.media_catalog.mc_number = 1446 #endif 1447 break; 1448 1449 case CD_CURRENT_POSITION: 1450 data.what.position.track_number = bcd2bin(q.current.trk_no); 1451 data.what.position.index_number = bcd2bin(q.current.idx_no); 1452 switch (ch->address_format) { 1453 case CD_MSF_FORMAT: 1454 data.what.position.reladdr[0] = 0; 1455 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1456 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1457 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1458 data.what.position.absaddr[0] = 0; 1459 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1460 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1461 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1462 break; 1463 case CD_LBA_FORMAT: 1464 lba = msf2hsg(q.current.relative_pos, 1); 1465 /* 1466 * Pre-gap has index number of 0, and decreasing MSF 1467 * address. Must be converted to negative LBA, per 1468 * SCSI spec. 1469 */ 1470 if (data.what.position.index_number == 0x00) 1471 lba = -lba; 1472 data.what.position.reladdr[0] = lba >> 24; 1473 data.what.position.reladdr[1] = lba >> 16; 1474 data.what.position.reladdr[2] = lba >> 8; 1475 data.what.position.reladdr[3] = lba; 1476 lba = msf2hsg(q.current.absolute_pos, 0); 1477 data.what.position.absaddr[0] = lba >> 24; 1478 data.what.position.absaddr[1] = lba >> 16; 1479 data.what.position.absaddr[2] = lba >> 8; 1480 data.what.position.absaddr[3] = lba; 1481 break; 1482 } 1483 break; 1484 } 1485 1486 return copyout(&data, ch->data, len); 1487 } 1488 1489 int 1490 mcd_playtracks(sc, p) 1491 struct mcd_softc *sc; 1492 struct ioc_play_track *p; 1493 { 1494 struct mcd_mbox mbx; 1495 int a = p->start_track; 1496 int z = p->end_track; 1497 int error; 1498 1499 if ((error = mcd_read_toc(sc)) != 0) 1500 return error; 1501 1502 if (sc->debug) 1503 printf("%s: playtracks: from %d:%d to %d:%d\n", 1504 sc->sc_dev.dv_xname, 1505 a, p->start_index, z, p->end_index); 1506 1507 if (a < bcd2bin(sc->volinfo.trk_low) || 1508 a > bcd2bin(sc->volinfo.trk_high) || 1509 a > z || 1510 z < bcd2bin(sc->volinfo.trk_low) || 1511 z > bcd2bin(sc->volinfo.trk_high)) 1512 return EINVAL; 1513 1514 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1515 return error; 1516 1517 mbx.cmd.opcode = MCD_CMDREAD2; 1518 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1519 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1520 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1521 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1522 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1523 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1524 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1525 sc->lastpb = mbx.cmd; 1526 mbx.res.length = 0; 1527 return mcd_send(sc, &mbx, 1); 1528 } 1529 1530 int 1531 mcd_playmsf(sc, p) 1532 struct mcd_softc *sc; 1533 struct ioc_play_msf *p; 1534 { 1535 struct mcd_mbox mbx; 1536 int error; 1537 1538 if ((error = mcd_read_toc(sc)) != 0) 1539 return error; 1540 1541 if (sc->debug) 1542 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1543 sc->sc_dev.dv_xname, 1544 p->start_m, p->start_s, p->start_f, 1545 p->end_m, p->end_s, p->end_f); 1546 1547 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1548 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1549 return EINVAL; 1550 1551 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1552 return error; 1553 1554 mbx.cmd.opcode = MCD_CMDREAD2; 1555 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1556 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1557 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1558 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1559 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1560 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1561 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1562 sc->lastpb = mbx.cmd; 1563 mbx.res.length = 0; 1564 return mcd_send(sc, &mbx, 1); 1565 } 1566 1567 int 1568 mcd_playblocks(sc, p) 1569 struct mcd_softc *sc; 1570 struct ioc_play_blocks *p; 1571 { 1572 struct mcd_mbox mbx; 1573 int error; 1574 1575 if ((error = mcd_read_toc(sc)) != 0) 1576 return error; 1577 1578 if (sc->debug) 1579 printf("%s: playblocks: blkno %d length %d\n", 1580 sc->sc_dev.dv_xname, p->blk, p->len); 1581 1582 if (p->blk > sc->disksize || p->len > sc->disksize || 1583 (p->blk + p->len) > sc->disksize) 1584 return 0; 1585 1586 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1587 return error; 1588 1589 mbx.cmd.opcode = MCD_CMDREAD2; 1590 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1591 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1592 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1593 sc->lastpb = mbx.cmd; 1594 mbx.res.length = 0; 1595 return mcd_send(sc, &mbx, 1); 1596 } 1597 1598 int 1599 mcd_pause(sc) 1600 struct mcd_softc *sc; 1601 { 1602 union mcd_qchninfo q; 1603 int error; 1604 1605 /* Verify current status. */ 1606 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1607 printf("%s: pause: attempted when not playing\n", 1608 sc->sc_dev.dv_xname); 1609 return EINVAL; 1610 } 1611 1612 /* Get the current position. */ 1613 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1614 return error; 1615 1616 /* Copy it into lastpb. */ 1617 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1618 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1619 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1620 1621 /* Stop playing. */ 1622 if ((error = mcd_stop(sc)) != 0) 1623 return error; 1624 1625 /* Set the proper status and exit. */ 1626 sc->audio_status = CD_AS_PLAY_PAUSED; 1627 return 0; 1628 } 1629 1630 int 1631 mcd_resume(sc) 1632 struct mcd_softc *sc; 1633 { 1634 struct mcd_mbox mbx; 1635 int error; 1636 1637 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1638 return EINVAL; 1639 1640 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1641 return error; 1642 1643 mbx.cmd = sc->lastpb; 1644 mbx.res.length = 0; 1645 return mcd_send(sc, &mbx, 1); 1646 } 1647 1648 int 1649 mcd_eject(sc) 1650 struct mcd_softc *sc; 1651 { 1652 struct mcd_mbox mbx; 1653 1654 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1655 mbx.cmd.length = 0; 1656 mbx.res.length = 0; 1657 return mcd_send(sc, &mbx, 0); 1658 } 1659 1660 int 1661 mcd_setlock(sc, mode) 1662 struct mcd_softc *sc; 1663 int mode; 1664 { 1665 struct mcd_mbox mbx; 1666 1667 mbx.cmd.opcode = MCD_CMDSETLOCK; 1668 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1669 mbx.cmd.data.lockmode.mode = mode; 1670 mbx.res.length = 0; 1671 return mcd_send(sc, &mbx, 1); 1672 } 1673
Indexes created Mon Oct 13 14:09:54 GMT 2025