mcd.c revision 1.31
1 /* $NetBSD: mcd.c,v 1.31 1995/03/27 18:08:34 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 irq; 709 int i; 710 struct mcd_mbox mbx; 711 712 sc->iobase = iobase; 713 714 /* Send a reset. */ 715 outb(iobase + MCD_RESET, 0); 716 delay(1000000); 717 /* Get any pending status and throw away. */ 718 for (i = 10; i; i--) 719 inb(iobase + MCD_STATUS); 720 delay(1000); 721 722 /* Send get status command. */ 723 mbx.cmd.opcode = MCD_CMDGETSTAT; 724 mbx.cmd.length = 0; 725 mbx.res.length = 0; 726 if (mcd_send(sc, &mbx, 0) != 0) 727 return 0; 728 729 /* Get info about the drive. */ 730 mbx.cmd.opcode = MCD_CMDCONTINFO; 731 mbx.cmd.length = 0; 732 mbx.res.length = sizeof(mbx.res.data.continfo); 733 if (mcd_send(sc, &mbx, 0) != 0) 734 return 0; 735 736 /* 737 * The following is code which is not guaranteed to work for all 738 * drives, because the meaning of the expected 'M' is not clear 739 * (M_itsumi is an obvious assumption, but I don't trust that). 740 * Also, the original hack had a bogus condition that always 741 * returned true. 742 * 743 * Note: Which models support interrupts? >=LU005S? 744 */ 745 switch (mbx.res.data.continfo.code) { 746 case 'M': 747 if (mbx.res.data.continfo.version <= 2) 748 sc->type = "LU002S"; 749 else if (mbx.res.data.continfo.version <= 5) 750 sc->type = "LU005S"; 751 else 752 sc->type = "LU006S"; 753 break; 754 case 'F': 755 sc->type = "FX001"; 756 break; 757 case 'D': 758 sc->type = "FX001D"; 759 break; 760 default: 761 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 762 sc->sc_dev.dv_xname, 763 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 764 sc->type = 0; 765 break; 766 } 767 768 ia->ia_iosize = 4; 769 ia->ia_msize = 0; 770 return 1; 771 } 772 773 int 774 mcd_getreply(sc) 775 struct mcd_softc *sc; 776 { 777 int iobase = sc->iobase; 778 int i; 779 780 /* Wait until xfer port senses data ready. */ 781 for (i = DELAY_GETREPLY; i; i--) { 782 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 783 break; 784 delay(DELAY_GRANULARITY); 785 } 786 if (!i) 787 return -1; 788 789 /* Get the data. */ 790 return inb(iobase + MCD_STATUS); 791 } 792 793 int 794 mcd_getstat(sc) 795 struct mcd_softc *sc; 796 { 797 struct mcd_mbox mbx; 798 799 mbx.cmd.opcode = MCD_CMDGETSTAT; 800 mbx.cmd.length = 0; 801 mbx.res.length = 0; 802 return mcd_send(sc, &mbx, 1); 803 } 804 805 int 806 mcd_getresult(sc, res) 807 struct mcd_softc *sc; 808 struct mcd_result *res; 809 { 810 int i, x; 811 812 if (sc->debug) 813 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 814 res->length); 815 816 if ((x = mcd_getreply(sc)) < 0) { 817 if (sc->debug) 818 printf(" timeout\n"); 819 else 820 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 821 return EIO; 822 } 823 if (sc->debug) 824 printf(" %02x", (u_int)x); 825 sc->status = x; 826 mcd_setflags(sc); 827 828 if ((sc->status & MCD_ST_CMDCHECK) != 0) 829 return EINVAL; 830 831 for (i = 0; i < res->length; i++) { 832 if ((x = mcd_getreply(sc)) < 0) { 833 if (sc->debug) 834 printf(" timeout\n"); 835 else 836 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 837 return EIO; 838 } 839 if (sc->debug) 840 printf(" %02x", (u_int)x); 841 res->data.raw.data[i] = x; 842 } 843 844 if (sc->debug) 845 printf(" succeeded\n"); 846 847 #if 1 848 delay(10); 849 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 850 x = inb(sc->iobase + MCD_STATUS); 851 printf("%s: got extra byte %02x during getstatus\n", 852 sc->sc_dev.dv_xname, (u_int)x); 853 delay(10); 854 } 855 #endif 856 857 return 0; 858 } 859 860 void 861 mcd_setflags(sc) 862 struct mcd_softc *sc; 863 { 864 865 /* Check flags. */ 866 if ((sc->flags & MCDF_LOADED) != 0 && 867 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 868 MCD_ST_DSKIN) { 869 if ((sc->status & MCD_ST_DOOROPEN) != 0) 870 printf("%s: door open\n", sc->sc_dev.dv_xname); 871 else if ((sc->status & MCD_ST_DSKIN) == 0) 872 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 873 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 874 printf("%s: media change\n", sc->sc_dev.dv_xname); 875 sc->flags &= ~MCDF_LOADED; 876 } 877 878 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 879 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 880 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 881 sc->audio_status == CD_AS_AUDIO_INVALID) 882 sc->audio_status = CD_AS_PLAY_COMPLETED; 883 } 884 885 int 886 mcd_send(sc, mbx, diskin) 887 struct mcd_softc *sc; 888 struct mcd_mbox *mbx; 889 int diskin; 890 { 891 int iobase = sc->iobase; 892 int retry, i, error; 893 894 if (sc->debug) { 895 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 896 mbx->cmd.length, (u_int)mbx->cmd.opcode); 897 for (i = 0; i < mbx->cmd.length; i++) 898 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 899 printf("\n"); 900 } 901 902 for (retry = MCD_RETRIES; retry; retry--) { 903 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 904 for (i = 0; i < mbx->cmd.length; i++) 905 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 906 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 907 break; 908 if (error == EINVAL) 909 return error; 910 } 911 if (!retry) 912 return error; 913 if (diskin && (sc->flags & MCDF_LOADED) == 0) 914 return EIO; 915 916 return 0; 917 } 918 919 static int 920 bcd2bin(b) 921 bcd_t b; 922 { 923 924 return (b >> 4) * 10 + (b & 15); 925 } 926 927 static bcd_t 928 bin2bcd(b) 929 int b; 930 { 931 932 return ((b / 10) << 4) | (b % 10); 933 } 934 935 static void 936 hsg2msf(hsg, msf) 937 int hsg; 938 bcd_t *msf; 939 { 940 941 hsg += 150; 942 F_msf(msf) = bin2bcd(hsg % 75); 943 hsg /= 75; 944 S_msf(msf) = bin2bcd(hsg % 60); 945 hsg /= 60; 946 M_msf(msf) = bin2bcd(hsg); 947 } 948 949 static daddr_t 950 msf2hsg(msf, relative) 951 bcd_t *msf; 952 int relative; 953 { 954 daddr_t blkno; 955 956 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 957 bcd2bin(S_msf(msf)) * 75 + 958 bcd2bin(F_msf(msf)); 959 if (!relative) 960 blkno -= 150; 961 return blkno; 962 } 963 964 void 965 mcd_pseudointr(sc) 966 struct mcd_softc *sc; 967 { 968 int s; 969 970 s = splbio(); 971 (void) mcdintr(sc); 972 splx(s); 973 } 974 975 /* 976 * State machine to process read requests. 977 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 978 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 979 * MCD_S_WAITREAD: wait for read ready, read data. 980 */ 981 int 982 mcdintr(arg) 983 void *arg; 984 { 985 struct mcd_softc *sc = arg; 986 struct mcd_mbx *mbx = &sc->mbx; 987 int iobase = sc->iobase; 988 struct buf *bp = mbx->bp; 989 990 int i; 991 u_char x; 992 bcd_t msf[3]; 993 994 switch (mbx->state) { 995 case MCD_S_IDLE: 996 return 0; 997 998 case MCD_S_BEGIN: 999 tryagain: 1000 if (mbx->mode == sc->lastmode) 1001 goto firstblock; 1002 1003 sc->lastmode = MCD_MD_UNKNOWN; 1004 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1005 outb(iobase + MCD_COMMAND, mbx->mode); 1006 1007 mbx->count = RDELAY_WAITMODE; 1008 mbx->state = MCD_S_WAITMODE; 1009 1010 case MCD_S_WAITMODE: 1011 untimeout(mcd_pseudointr, sc); 1012 for (i = 20; i; i--) { 1013 x = inb(iobase + MCD_XFER); 1014 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1015 break; 1016 delay(50); 1017 } 1018 if (i == 0) 1019 goto hold; 1020 sc->status = inb(iobase + MCD_STATUS); 1021 mcd_setflags(sc); 1022 if ((sc->flags & MCDF_LOADED) == 0) 1023 goto changed; 1024 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1025 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1026 1027 sc->lastmode = mbx->mode; 1028 1029 firstblock: 1030 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1031 bp, 0, 0); 1032 1033 /* Build parameter block. */ 1034 hsg2msf(mbx->blkno, msf); 1035 1036 /* Send the read command. */ 1037 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1038 outb(iobase + MCD_COMMAND, msf[0]); 1039 outb(iobase + MCD_COMMAND, msf[1]); 1040 outb(iobase + MCD_COMMAND, msf[2]); 1041 outb(iobase + MCD_COMMAND, 0); 1042 outb(iobase + MCD_COMMAND, 0); 1043 outb(iobase + MCD_COMMAND, mbx->nblk); 1044 1045 mbx->count = RDELAY_WAITREAD; 1046 mbx->state = MCD_S_WAITREAD; 1047 1048 case MCD_S_WAITREAD: 1049 untimeout(mcd_pseudointr, sc); 1050 nextblock: 1051 loop: 1052 for (i = 20; i; i--) { 1053 x = inb(iobase + MCD_XFER); 1054 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1055 goto gotblock; 1056 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1057 break; 1058 delay(50); 1059 } 1060 if (i == 0) 1061 goto hold; 1062 sc->status = inb(iobase + MCD_STATUS); 1063 mcd_setflags(sc); 1064 if ((sc->flags & MCDF_LOADED) == 0) 1065 goto changed; 1066 #if 0 1067 printf("%s: got status byte %02x during read\n", 1068 sc->sc_dev.dv_xname, (u_int)sc->status); 1069 #endif 1070 goto loop; 1071 1072 gotblock: 1073 MCD_TRACE("doread: got data delay=%d\n", 1074 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1075 1076 /* Data is ready. */ 1077 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1078 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1079 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1080 mbx->blkno += 1; 1081 mbx->skip += mbx->sz; 1082 if (--mbx->nblk > 0) 1083 goto nextblock; 1084 1085 mbx->state = MCD_S_IDLE; 1086 1087 /* Return buffer. */ 1088 bp->b_resid = 0; 1089 biodone(bp); 1090 1091 mcdstart(sc); 1092 return 1; 1093 1094 hold: 1095 if (mbx->count-- < 0) { 1096 printf("%s: timeout in state %d", 1097 sc->sc_dev.dv_xname, mbx->state); 1098 goto readerr; 1099 } 1100 1101 #if 0 1102 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1103 mbx->state); 1104 #endif 1105 timeout(mcd_pseudointr, sc, hz / 100); 1106 return -1; 1107 } 1108 1109 readerr: 1110 if (mbx->retry-- > 0) { 1111 printf("; retrying\n"); 1112 goto tryagain; 1113 } else 1114 printf("; giving up\n"); 1115 1116 changed: 1117 harderr: 1118 /* Invalidate the buffer. */ 1119 bp->b_flags |= B_ERROR; 1120 bp->b_resid = bp->b_bcount - mbx->skip; 1121 biodone(bp); 1122 1123 mcdstart(sc); 1124 return -1; 1125 1126 #ifdef notyet 1127 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1128 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1129 delay(300000); 1130 (void) mcd_getstat(sc, 1); 1131 (void) mcd_getstat(sc, 1); 1132 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1133 sc->debug = 1; /* preventive set debug mode */ 1134 #endif 1135 } 1136 1137 void 1138 mcd_soft_reset(sc) 1139 struct mcd_softc *sc; 1140 { 1141 1142 sc->debug = 0; 1143 sc->flags = 0; 1144 sc->lastmode = MCD_MD_UNKNOWN; 1145 sc->lastupc = MCD_UPC_UNKNOWN; 1146 sc->audio_status = CD_AS_AUDIO_INVALID; 1147 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1148 } 1149 1150 int 1151 mcd_hard_reset(sc) 1152 struct mcd_softc *sc; 1153 { 1154 struct mcd_mbox mbx; 1155 1156 mcd_soft_reset(sc); 1157 1158 mbx.cmd.opcode = MCD_CMDRESET; 1159 mbx.cmd.length = 0; 1160 mbx.res.length = 0; 1161 return mcd_send(sc, &mbx, 0); 1162 } 1163 1164 int 1165 mcd_setmode(sc, mode) 1166 struct mcd_softc *sc; 1167 int mode; 1168 { 1169 struct mcd_mbox mbx; 1170 int error; 1171 1172 if (sc->lastmode == mode) 1173 return 0; 1174 if (sc->debug) 1175 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1176 sc->lastmode = MCD_MD_UNKNOWN; 1177 1178 mbx.cmd.opcode = MCD_CMDSETMODE; 1179 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1180 mbx.cmd.data.datamode.mode = mode; 1181 mbx.res.length = 0; 1182 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1183 return error; 1184 1185 sc->lastmode = mode; 1186 return 0; 1187 } 1188 1189 int 1190 mcd_setupc(sc, upc) 1191 struct mcd_softc *sc; 1192 int upc; 1193 { 1194 struct mcd_mbox mbx; 1195 int error; 1196 1197 if (sc->lastupc == upc) 1198 return 0; 1199 if (sc->debug) 1200 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1201 sc->lastupc = MCD_UPC_UNKNOWN; 1202 1203 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1204 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1205 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1206 mbx.cmd.data.config.data1 = upc; 1207 mbx.res.length = 0; 1208 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1209 return error; 1210 1211 sc->lastupc = upc; 1212 return 0; 1213 } 1214 1215 int 1216 mcd_toc_header(sc, th) 1217 struct mcd_softc *sc; 1218 struct ioc_toc_header *th; 1219 { 1220 1221 if (sc->debug) 1222 printf("%s: mcd_toc_header: reading toc header\n", 1223 sc->sc_dev.dv_xname); 1224 1225 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1226 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1227 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1228 1229 return 0; 1230 } 1231 1232 int 1233 mcd_read_toc(sc) 1234 struct mcd_softc *sc; 1235 { 1236 struct ioc_toc_header th; 1237 union mcd_qchninfo q; 1238 int error, trk, idx, retry; 1239 1240 /* Only read TOC if needed. */ 1241 if ((sc->flags & MCDF_HAVETOC) != 0) 1242 return 0; 1243 1244 if ((error = mcd_toc_header(sc, &th)) != 0) 1245 return error; 1246 1247 if ((error = mcd_stop(sc)) != 0) 1248 return error; 1249 1250 if (sc->debug) 1251 printf("%s: read_toc: reading qchannel info\n", 1252 sc->sc_dev.dv_xname); 1253 1254 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1255 sc->toc[trk].toc.idx_no = 0x00; 1256 trk = th.ending_track - th.starting_track + 1; 1257 for (retry = 300; retry && trk > 0; retry--) { 1258 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1259 break; 1260 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1261 continue; 1262 idx = bcd2bin(q.toc.idx_no); 1263 if (idx < MCD_MAXTOCS && 1264 sc->toc[idx].toc.idx_no == 0x00) { 1265 sc->toc[idx] = q; 1266 trk--; 1267 } 1268 } 1269 1270 if (trk != 0) 1271 return EINVAL; 1272 1273 /* Add a fake last+1 for mcd_playtracks(). */ 1274 idx = th.ending_track + 1; 1275 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1276 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1277 sc->toc[idx].toc.trk_no = 0x00; 1278 sc->toc[idx].toc.idx_no = 0xaa; 1279 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1280 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1281 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1282 1283 sc->flags |= MCDF_HAVETOC; 1284 return 0; 1285 } 1286 1287 int 1288 mcd_toc_entries(sc, te) 1289 struct mcd_softc *sc; 1290 struct ioc_read_toc_entry *te; 1291 { 1292 int len = te->data_len; 1293 struct ret_toc { 1294 struct ioc_toc_header header; 1295 struct cd_toc_entry entries[MCD_MAXTOCS]; 1296 } data; 1297 u_char trk; 1298 daddr_t lba; 1299 int error, n; 1300 1301 if (len > sizeof(data.entries) || 1302 len < sizeof(struct cd_toc_entry)) 1303 return EINVAL; 1304 if (te->address_format != CD_MSF_FORMAT && 1305 te->address_format != CD_LBA_FORMAT) 1306 return EINVAL; 1307 1308 /* Copy the TOC header. */ 1309 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1310 return error; 1311 1312 /* Verify starting track. */ 1313 trk = te->starting_track; 1314 if (trk == 0x00) 1315 trk = data.header.starting_track; 1316 else if (trk == 0xaa) 1317 trk = data.header.ending_track + 1; 1318 else if (trk < data.header.starting_track || 1319 trk > data.header.ending_track + 1) 1320 return EINVAL; 1321 1322 /* Make sure we have a valid TOC. */ 1323 if ((error = mcd_read_toc(sc)) != 0) 1324 return error; 1325 1326 /* Copy the TOC data. */ 1327 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1328 if (sc->toc[trk].toc.idx_no == 0x00) 1329 continue; 1330 data.entries[n].control = sc->toc[trk].toc.control; 1331 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1332 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1333 switch (te->address_format) { 1334 case CD_MSF_FORMAT: 1335 data.entries[n].addr[0] = 0; 1336 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1337 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1338 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1339 break; 1340 case CD_LBA_FORMAT: 1341 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1342 data.entries[n].addr[0] = lba >> 24; 1343 data.entries[n].addr[1] = lba >> 16; 1344 data.entries[n].addr[2] = lba >> 8; 1345 data.entries[n].addr[3] = lba; 1346 break; 1347 } 1348 n++; 1349 } 1350 1351 len = min(len, n * sizeof(struct cd_toc_entry)); 1352 1353 /* Copy the data back. */ 1354 return copyout(&data.entries[0], te->data, len); 1355 } 1356 1357 int 1358 mcd_stop(sc) 1359 struct mcd_softc *sc; 1360 { 1361 struct mcd_mbox mbx; 1362 int error; 1363 1364 if (sc->debug) 1365 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1366 1367 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1368 mbx.cmd.length = 0; 1369 mbx.res.length = 0; 1370 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1371 return error; 1372 1373 sc->audio_status = CD_AS_PLAY_COMPLETED; 1374 return 0; 1375 } 1376 1377 int 1378 mcd_getqchan(sc, q, qchn) 1379 struct mcd_softc *sc; 1380 union mcd_qchninfo *q; 1381 int qchn; 1382 { 1383 struct mcd_mbox mbx; 1384 int error; 1385 1386 if (qchn == CD_TRACK_INFO) { 1387 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1388 return error; 1389 } else { 1390 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1391 return error; 1392 } 1393 if (qchn == CD_MEDIA_CATALOG) { 1394 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1395 return error; 1396 } else { 1397 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1398 return error; 1399 } 1400 1401 mbx.cmd.opcode = MCD_CMDGETQCHN; 1402 mbx.cmd.length = 0; 1403 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1404 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1405 return error; 1406 1407 *q = mbx.res.data.qchninfo; 1408 return 0; 1409 } 1410 1411 int 1412 mcd_read_subchannel(sc, ch) 1413 struct mcd_softc *sc; 1414 struct ioc_read_subchannel *ch; 1415 { 1416 int len = ch->data_len; 1417 union mcd_qchninfo q; 1418 struct cd_sub_channel_info data; 1419 daddr_t lba; 1420 int error; 1421 1422 if (sc->debug) 1423 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1424 ch->address_format, ch->data_format); 1425 1426 if (len > sizeof(data) || 1427 len < sizeof(struct cd_sub_channel_header)) 1428 return EINVAL; 1429 if (ch->address_format != CD_MSF_FORMAT && 1430 ch->address_format != CD_LBA_FORMAT) 1431 return EINVAL; 1432 if (ch->data_format != CD_CURRENT_POSITION && 1433 ch->data_format != CD_MEDIA_CATALOG) 1434 return EINVAL; 1435 1436 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1437 return error; 1438 1439 data.header.audio_status = sc->audio_status; 1440 data.what.media_catalog.data_format = ch->data_format; 1441 1442 switch (ch->data_format) { 1443 case CD_MEDIA_CATALOG: 1444 data.what.media_catalog.mc_valid = 1; 1445 #if 0 1446 data.what.media_catalog.mc_number = 1447 #endif 1448 break; 1449 1450 case CD_CURRENT_POSITION: 1451 data.what.position.track_number = bcd2bin(q.current.trk_no); 1452 data.what.position.index_number = bcd2bin(q.current.idx_no); 1453 switch (ch->address_format) { 1454 case CD_MSF_FORMAT: 1455 data.what.position.reladdr[0] = 0; 1456 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1457 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1458 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1459 data.what.position.absaddr[0] = 0; 1460 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1461 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1462 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1463 break; 1464 case CD_LBA_FORMAT: 1465 lba = msf2hsg(q.current.relative_pos, 1); 1466 /* 1467 * Pre-gap has index number of 0, and decreasing MSF 1468 * address. Must be converted to negative LBA, per 1469 * SCSI spec. 1470 */ 1471 if (data.what.position.index_number == 0x00) 1472 lba = -lba; 1473 data.what.position.reladdr[0] = lba >> 24; 1474 data.what.position.reladdr[1] = lba >> 16; 1475 data.what.position.reladdr[2] = lba >> 8; 1476 data.what.position.reladdr[3] = lba; 1477 lba = msf2hsg(q.current.absolute_pos, 0); 1478 data.what.position.absaddr[0] = lba >> 24; 1479 data.what.position.absaddr[1] = lba >> 16; 1480 data.what.position.absaddr[2] = lba >> 8; 1481 data.what.position.absaddr[3] = lba; 1482 break; 1483 } 1484 break; 1485 } 1486 1487 return copyout(&data, ch->data, len); 1488 } 1489 1490 int 1491 mcd_playtracks(sc, p) 1492 struct mcd_softc *sc; 1493 struct ioc_play_track *p; 1494 { 1495 struct mcd_mbox mbx; 1496 int a = p->start_track; 1497 int z = p->end_track; 1498 int error; 1499 1500 if ((error = mcd_read_toc(sc)) != 0) 1501 return error; 1502 1503 if (sc->debug) 1504 printf("%s: playtracks: from %d:%d to %d:%d\n", 1505 sc->sc_dev.dv_xname, 1506 a, p->start_index, z, p->end_index); 1507 1508 if (a < bcd2bin(sc->volinfo.trk_low) || 1509 a > bcd2bin(sc->volinfo.trk_high) || 1510 a > z || 1511 z < bcd2bin(sc->volinfo.trk_low) || 1512 z > bcd2bin(sc->volinfo.trk_high)) 1513 return EINVAL; 1514 1515 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1516 return error; 1517 1518 mbx.cmd.opcode = MCD_CMDREAD2; 1519 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1520 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1521 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1522 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1523 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1524 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1525 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1526 sc->lastpb = mbx.cmd; 1527 mbx.res.length = 0; 1528 return mcd_send(sc, &mbx, 1); 1529 } 1530 1531 int 1532 mcd_playmsf(sc, p) 1533 struct mcd_softc *sc; 1534 struct ioc_play_msf *p; 1535 { 1536 struct mcd_mbox mbx; 1537 int error; 1538 1539 if ((error = mcd_read_toc(sc)) != 0) 1540 return error; 1541 1542 if (sc->debug) 1543 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1544 sc->sc_dev.dv_xname, 1545 p->start_m, p->start_s, p->start_f, 1546 p->end_m, p->end_s, p->end_f); 1547 1548 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1549 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1550 return EINVAL; 1551 1552 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1553 return error; 1554 1555 mbx.cmd.opcode = MCD_CMDREAD2; 1556 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1557 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1558 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1559 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1560 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1561 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1562 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1563 sc->lastpb = mbx.cmd; 1564 mbx.res.length = 0; 1565 return mcd_send(sc, &mbx, 1); 1566 } 1567 1568 int 1569 mcd_playblocks(sc, p) 1570 struct mcd_softc *sc; 1571 struct ioc_play_blocks *p; 1572 { 1573 struct mcd_mbox mbx; 1574 int error; 1575 1576 if ((error = mcd_read_toc(sc)) != 0) 1577 return error; 1578 1579 if (sc->debug) 1580 printf("%s: playblocks: blkno %d length %d\n", 1581 sc->sc_dev.dv_xname, p->blk, p->len); 1582 1583 if (p->blk > sc->disksize || p->len > sc->disksize || 1584 (p->blk + p->len) > sc->disksize) 1585 return 0; 1586 1587 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1588 return error; 1589 1590 mbx.cmd.opcode = MCD_CMDREAD2; 1591 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1592 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1593 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1594 sc->lastpb = mbx.cmd; 1595 mbx.res.length = 0; 1596 return mcd_send(sc, &mbx, 1); 1597 } 1598 1599 int 1600 mcd_pause(sc) 1601 struct mcd_softc *sc; 1602 { 1603 union mcd_qchninfo q; 1604 int error; 1605 1606 /* Verify current status. */ 1607 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1608 printf("%s: pause: attempted when not playing\n", 1609 sc->sc_dev.dv_xname); 1610 return EINVAL; 1611 } 1612 1613 /* Get the current position. */ 1614 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1615 return error; 1616 1617 /* Copy it into lastpb. */ 1618 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1619 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1620 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1621 1622 /* Stop playing. */ 1623 if ((error = mcd_stop(sc)) != 0) 1624 return error; 1625 1626 /* Set the proper status and exit. */ 1627 sc->audio_status = CD_AS_PLAY_PAUSED; 1628 return 0; 1629 } 1630 1631 int 1632 mcd_resume(sc) 1633 struct mcd_softc *sc; 1634 { 1635 struct mcd_mbox mbx; 1636 int error; 1637 1638 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1639 return EINVAL; 1640 1641 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1642 return error; 1643 1644 mbx.cmd = sc->lastpb; 1645 mbx.res.length = 0; 1646 return mcd_send(sc, &mbx, 1); 1647 } 1648 1649 int 1650 mcd_eject(sc) 1651 struct mcd_softc *sc; 1652 { 1653 struct mcd_mbox mbx; 1654 1655 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1656 mbx.cmd.length = 0; 1657 mbx.res.length = 0; 1658 return mcd_send(sc, &mbx, 0); 1659 } 1660 1661 int 1662 mcd_setlock(sc, mode) 1663 struct mcd_softc *sc; 1664 int mode; 1665 { 1666 struct mcd_mbox mbx; 1667 1668 mbx.cmd.opcode = MCD_CMDSETLOCK; 1669 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1670 mbx.cmd.data.lockmode.mode = mode; 1671 mbx.res.length = 0; 1672 return mcd_send(sc, &mbx, 1); 1673 } 1674
Indexes created Tue Sep 30 11:09:46 GMT 2025