mcd.c revision 1.39
1 /* $NetBSD: mcd.c,v 1.39 1995/06/26 05:37:11 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * Copyright 1993 by Holger Veit (data part) 21 * Copyright 1993 by Brian Moore (audio part) 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This software was developed by Holger Veit and Brian Moore 35 * for use with "386BSD" and similar operating systems. 36 * "Similar operating systems" includes mainly non-profit oriented 37 * systems for research and education, including but not restricted to 38 * "NetBSD", "FreeBSD", "Mach" (by CMU). 39 * 4. Neither the name of the developer(s) nor the name "386BSD" 40 * may be used to endorse or promote products derived from this 41 * software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/ 57 58 #include <sys/types.h> 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/kernel.h> 62 #include <sys/proc.h> 63 #include <sys/conf.h> 64 #include <sys/file.h> 65 #include <sys/buf.h> 66 #include <sys/stat.h> 67 #include <sys/uio.h> 68 #include <sys/ioctl.h> 69 #include <sys/cdio.h> 70 #include <sys/errno.h> 71 #include <sys/disklabel.h> 72 #include <sys/device.h> 73 #include <sys/disk.h> 74 75 #include <machine/cpu.h> 76 #include <machine/pio.h> 77 78 #include <dev/isa/isavar.h> 79 #include <dev/isa/mcdreg.h> 80 81 #ifndef MCDDEBUG 82 #define MCD_TRACE(fmt,a,b,c,d) 83 #else 84 #define MCD_TRACE(fmt,a,b,c,d) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}} 85 #endif 86 87 #define MCDPART(dev) DISKPART(dev) 88 #define MCDUNIT(dev) DISKUNIT(dev) 89 90 /* toc */ 91 #define MCD_MAXTOCS 104 /* from the Linux driver */ 92 93 struct mcd_mbx { 94 int retry, count; 95 struct buf *bp; 96 daddr_t blkno; 97 int nblk; 98 int sz; 99 u_long skip; 100 int state; 101 #define MCD_S_IDLE 0 102 #define MCD_S_BEGIN 1 103 #define MCD_S_WAITMODE 2 104 #define MCD_S_WAITREAD 3 105 int mode; 106 }; 107 108 struct mcd_softc { 109 struct device sc_dev; 110 struct dkdevice sc_dk; 111 void *sc_ih; 112 113 int iobase; 114 int irq, drq; 115 116 char *type; 117 int flags; 118 #define MCDF_LOCKED 0x01 119 #define MCDF_WANTED 0x02 120 #define MCDF_WLABEL 0x04 /* label is writable */ 121 #define MCDF_LABELLING 0x08 /* writing label */ 122 #define MCDF_LOADED 0x10 /* parameters loaded */ 123 short status; 124 short audio_status; 125 int blksize; 126 u_long disksize; 127 struct mcd_volinfo volinfo; 128 union mcd_qchninfo toc[MCD_MAXTOCS]; 129 struct mcd_command lastpb; 130 struct mcd_mbx mbx; 131 int lastmode; 132 #define MCD_MD_UNKNOWN -1 133 int lastupc; 134 #define MCD_UPC_UNKNOWN -1 135 int debug; 136 struct buf buf_queue; 137 }; 138 139 /* prototypes */ 140 int mcdopen __P((dev_t, int, int, struct proc *)); 141 int mcdclose __P((dev_t, int, int)); 142 int mcdioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); 143 int mcdsize __P((dev_t)); 144 145 static int bcd2bin __P((bcd_t)); 146 static bcd_t bin2bcd __P((int)); 147 static void hsg2msf __P((int, bcd_t *)); 148 static daddr_t msf2hsg __P((bcd_t *, int)); 149 150 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 151 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 152 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 153 int mcd_stop __P((struct mcd_softc *)); 154 int mcd_eject __P((struct mcd_softc *)); 155 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 156 int mcd_pause __P((struct mcd_softc *)); 157 int mcd_resume __P((struct mcd_softc *)); 158 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 159 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 160 161 int mcd_getreply __P((struct mcd_softc *)); 162 int mcd_getstat __P((struct mcd_softc *)); 163 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 164 void mcd_setflags __P((struct mcd_softc *)); 165 int mcd_get __P((struct mcd_softc *, char *, int)); 166 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 167 int mcdintr __P((void *)); 168 void mcd_soft_reset __P((struct mcd_softc *)); 169 int mcd_hard_reset __P((struct mcd_softc *)); 170 int mcd_setmode __P((struct mcd_softc *, int)); 171 int mcd_setupc __P((struct mcd_softc *, int)); 172 int mcd_read_toc __P((struct mcd_softc *)); 173 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 174 int mcd_setlock __P((struct mcd_softc *, int)); 175 176 int mcdprobe __P((struct device *, void *, void *)); 177 void mcdattach __P((struct device *, struct device *, void *)); 178 179 struct cfdriver mcdcd = { 180 NULL, "mcd", mcdprobe, mcdattach, DV_DISK, sizeof(struct mcd_softc) 181 }; 182 183 void mcdgetdisklabel __P((struct mcd_softc *)); 184 int mcd_get_parms __P((struct mcd_softc *)); 185 void mcdstrategy __P((struct buf *)); 186 void mcdstart __P((struct mcd_softc *)); 187 188 struct dkdriver mcddkdriver = { mcdstrategy }; 189 190 #define MCD_RETRIES 3 191 #define MCD_RDRETRIES 3 192 193 /* several delays */ 194 #define RDELAY_WAITMODE 300 195 #define RDELAY_WAITREAD 800 196 197 #define DELAY_GRANULARITY 25 /* 25us */ 198 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 199 200 void 201 mcdattach(parent, self, aux) 202 struct device *parent, *self; 203 void *aux; 204 { 205 struct mcd_softc *sc = (void *)self; 206 struct isa_attach_args *ia = aux; 207 struct mcd_mbox mbx; 208 209 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 210 211 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 212 213 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 214 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 215 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 216 mbx.cmd.data.config.data1 = 0x01; 217 mbx.res.length = 0; 218 (void) mcd_send(sc, &mbx, 0); 219 220 mcd_soft_reset(sc); 221 222 sc->sc_dk.dk_driver = &mcddkdriver; 223 224 sc->sc_ih = isa_intr_establish(ia->ia_irq, ISA_IST_EDGE, ISA_IPL_BIO, 225 mcdintr, sc); 226 } 227 228 /* 229 * Wait interruptibly for an exclusive lock. 230 * 231 * XXX 232 * Several drivers do this; it should be abstracted and made MP-safe. 233 */ 234 int 235 mcdlock(sc) 236 struct mcd_softc *sc; 237 { 238 int error; 239 240 while ((sc->flags & MCDF_LOCKED) != 0) { 241 sc->flags |= MCDF_WANTED; 242 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 243 return error; 244 } 245 sc->flags |= MCDF_LOCKED; 246 return 0; 247 } 248 249 /* 250 * Unlock and wake up any waiters. 251 */ 252 void 253 mcdunlock(sc) 254 struct mcd_softc *sc; 255 { 256 257 sc->flags &= ~MCDF_LOCKED; 258 if ((sc->flags & MCDF_WANTED) != 0) { 259 sc->flags &= ~MCDF_WANTED; 260 wakeup(sc); 261 } 262 } 263 264 int 265 mcdopen(dev, flag, fmt, p) 266 dev_t dev; 267 int flag, fmt; 268 struct proc *p; 269 { 270 int error; 271 int unit, part; 272 struct mcd_softc *sc; 273 274 unit = MCDUNIT(dev); 275 if (unit >= mcdcd.cd_ndevs) 276 return ENXIO; 277 sc = mcdcd.cd_devs[unit]; 278 if (!sc) 279 return ENXIO; 280 281 if (error = mcdlock(sc)) 282 return error; 283 284 if (sc->sc_dk.dk_openmask != 0) { 285 /* 286 * If any partition is open, but the disk has been invalidated, 287 * disallow further opens. 288 */ 289 if ((sc->flags & MCDF_LOADED) == 0) { 290 error = EIO; 291 goto bad3; 292 } 293 } else { 294 /* 295 * Lock the drawer. This will also notice any pending disk 296 * change or door open indicator and clear the MCDF_LOADED bit 297 * if necessary. 298 */ 299 (void) mcd_setlock(sc, MCD_LK_LOCK); 300 301 if ((sc->flags & MCDF_LOADED) == 0) { 302 /* Partially reset the state. */ 303 sc->lastmode = MCD_MD_UNKNOWN; 304 sc->lastupc = MCD_UPC_UNKNOWN; 305 306 sc->flags |= MCDF_LOADED; 307 308 /* Set the mode, causing the disk to spin up. */ 309 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 310 goto bad2; 311 312 /* Load the physical device parameters. */ 313 if (mcd_get_parms(sc) != 0) { 314 error = ENXIO; 315 goto bad2; 316 } 317 318 /* Read the table of contents. */ 319 if ((error = mcd_read_toc(sc)) != 0) 320 goto bad2; 321 322 /* Fabricate a disk label. */ 323 mcdgetdisklabel(sc); 324 } 325 } 326 327 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 328 sc->disksize, sc->blksize, 0); 329 330 part = MCDPART(dev); 331 332 /* Check that the partition exists. */ 333 if (part != RAW_PART && 334 (part >= sc->sc_dk.dk_label.d_npartitions || 335 sc->sc_dk.dk_label.d_partitions[part].p_fstype == FS_UNUSED)) { 336 error = ENXIO; 337 goto bad; 338 } 339 340 /* Insure only one open at a time. */ 341 switch (fmt) { 342 case S_IFCHR: 343 sc->sc_dk.dk_copenmask |= (1 << part); 344 break; 345 case S_IFBLK: 346 sc->sc_dk.dk_bopenmask |= (1 << part); 347 break; 348 } 349 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 350 351 mcdunlock(sc); 352 return 0; 353 354 bad2: 355 sc->flags &= ~MCDF_LOADED; 356 357 bad: 358 if (sc->sc_dk.dk_openmask == 0) { 359 #if 0 360 (void) mcd_setmode(sc, MCD_MD_SLEEP); 361 #endif 362 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 363 } 364 365 bad3: 366 mcdunlock(sc); 367 return error; 368 } 369 370 int 371 mcdclose(dev, flag, fmt) 372 dev_t dev; 373 int flag, fmt; 374 { 375 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 376 int part = MCDPART(dev); 377 int error; 378 379 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 380 381 if (error = mcdlock(sc)) 382 return error; 383 384 switch (fmt) { 385 case S_IFCHR: 386 sc->sc_dk.dk_copenmask &= ~(1 << part); 387 break; 388 case S_IFBLK: 389 sc->sc_dk.dk_bopenmask &= ~(1 << part); 390 break; 391 } 392 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 393 394 if (sc->sc_dk.dk_openmask == 0) { 395 /* XXXX Must wait for I/O to complete! */ 396 397 #if 0 398 (void) mcd_setmode(sc, MCD_MD_SLEEP); 399 #endif 400 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 401 } 402 403 mcdunlock(sc); 404 return 0; 405 } 406 407 void 408 mcdstrategy(bp) 409 struct buf *bp; 410 { 411 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(bp->b_dev)]; 412 int s; 413 414 /* Test validity. */ 415 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 416 bp->b_blkno, bp->b_bcount, 0); 417 if (bp->b_blkno < 0 || 418 (bp->b_bcount % sc->blksize) != 0) { 419 printf("%s: strategy: blkno = %d bcount = %d\n", 420 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 421 bp->b_error = EINVAL; 422 goto bad; 423 } 424 425 /* If device invalidated (e.g. media change, door open), error. */ 426 if ((sc->flags & MCDF_LOADED) == 0) { 427 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 428 bp->b_error = EIO; 429 goto bad; 430 } 431 432 /* No data to read. */ 433 if (bp->b_bcount == 0) 434 goto done; 435 436 /* 437 * Do bounds checking, adjust transfer. if error, process. 438 * If end of partition, just return. 439 */ 440 if (MCDPART(bp->b_dev) != RAW_PART && 441 bounds_check_with_label(bp, &sc->sc_dk.dk_label, 442 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 443 goto done; 444 445 /* Queue it. */ 446 s = splbio(); 447 disksort(&sc->buf_queue, bp); 448 splx(s); 449 if (!sc->buf_queue.b_active) 450 mcdstart(sc); 451 return; 452 453 bad: 454 bp->b_flags |= B_ERROR; 455 done: 456 bp->b_resid = bp->b_bcount; 457 biodone(bp); 458 } 459 460 void 461 mcdstart(sc) 462 struct mcd_softc *sc; 463 { 464 struct buf *bp, *dp = &sc->buf_queue; 465 int s; 466 467 loop: 468 s = splbio(); 469 470 bp = dp->b_actf; 471 if (bp == NULL) { 472 /* Nothing to do. */ 473 dp->b_active = 0; 474 splx(s); 475 return; 476 } 477 478 /* Block found to process; dequeue. */ 479 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 480 dp->b_actf = bp->b_actf; 481 splx(s); 482 483 /* Changed media? */ 484 if ((sc->flags & MCDF_LOADED) == 0) { 485 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 486 bp->b_error = EIO; 487 bp->b_flags |= B_ERROR; 488 biodone(bp); 489 goto loop; 490 } 491 492 dp->b_active = 1; 493 494 sc->mbx.retry = MCD_RDRETRIES; 495 sc->mbx.bp = bp; 496 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 497 if (MCDPART(bp->b_dev) != RAW_PART) { 498 struct partition *p; 499 p = &sc->sc_dk.dk_label.d_partitions[MCDPART(bp->b_dev)]; 500 sc->mbx.blkno += p->p_offset; 501 } 502 sc->mbx.nblk = bp->b_bcount / sc->blksize; 503 sc->mbx.sz = sc->blksize; 504 sc->mbx.skip = 0; 505 sc->mbx.state = MCD_S_BEGIN; 506 sc->mbx.mode = MCD_MD_COOKED; 507 508 s = splbio(); 509 (void) mcdintr(sc); 510 splx(s); 511 } 512 513 int 514 mcdioctl(dev, cmd, addr, flag, p) 515 dev_t dev; 516 u_long cmd; 517 caddr_t addr; 518 int flag; 519 struct proc *p; 520 { 521 struct mcd_softc *sc = mcdcd.cd_devs[MCDUNIT(dev)]; 522 int error; 523 524 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 525 526 if ((sc->flags & MCDF_LOADED) == 0) 527 return EIO; 528 529 switch (cmd) { 530 case DIOCGDINFO: 531 *(struct disklabel *)addr = sc->sc_dk.dk_label; 532 return 0; 533 534 case DIOCGPART: 535 ((struct partinfo *)addr)->disklab = &sc->sc_dk.dk_label; 536 ((struct partinfo *)addr)->part = 537 &sc->sc_dk.dk_label.d_partitions[MCDPART(dev)]; 538 return 0; 539 540 case DIOCWDINFO: 541 case DIOCSDINFO: 542 if ((flag & FWRITE) == 0) 543 return EBADF; 544 545 if (error = mcdlock(sc)) 546 return error; 547 sc->flags |= MCDF_LABELLING; 548 549 error = setdisklabel(&sc->sc_dk.dk_label, 550 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 551 &sc->sc_dk.dk_cpulabel); 552 if (error == 0) { 553 } 554 555 sc->flags &= ~MCDF_LABELLING; 556 mcdunlock(sc); 557 return error; 558 559 case DIOCWLABEL: 560 return EBADF; 561 562 case CDIOCPLAYTRACKS: 563 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 564 case CDIOCPLAYMSF: 565 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 566 case CDIOCPLAYBLOCKS: 567 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 568 case CDIOCREADSUBCHANNEL: 569 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 570 case CDIOREADTOCHEADER: 571 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 572 case CDIOREADTOCENTRYS: 573 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 574 case CDIOCSETPATCH: 575 case CDIOCGETVOL: 576 case CDIOCSETVOL: 577 case CDIOCSETMONO: 578 case CDIOCSETSTEREO: 579 case CDIOCSETMUTE: 580 case CDIOCSETLEFT: 581 case CDIOCSETRIGHT: 582 return EINVAL; 583 case CDIOCRESUME: 584 return mcd_resume(sc); 585 case CDIOCPAUSE: 586 return mcd_pause(sc); 587 case CDIOCSTART: 588 return EINVAL; 589 case CDIOCSTOP: 590 return mcd_stop(sc); 591 case CDIOCEJECT: 592 return mcd_eject(sc); 593 case CDIOCALLOW: 594 return mcd_setlock(sc, MCD_LK_UNLOCK); 595 case CDIOCPREVENT: 596 return mcd_setlock(sc, MCD_LK_LOCK); 597 case CDIOCSETDEBUG: 598 sc->debug = 1; 599 return 0; 600 case CDIOCCLRDEBUG: 601 sc->debug = 0; 602 return 0; 603 case CDIOCRESET: 604 return mcd_hard_reset(sc); 605 606 default: 607 return ENOTTY; 608 } 609 610 #ifdef DIAGNOSTIC 611 panic("mcdioctl: impossible"); 612 #endif 613 } 614 615 /* 616 * This could have been taken from scsi/cd.c, but it is not clear 617 * whether the scsi cd driver is linked in. 618 */ 619 void 620 mcdgetdisklabel(sc) 621 struct mcd_softc *sc; 622 { 623 624 bzero(&sc->sc_dk.dk_label, sizeof(struct disklabel)); 625 bzero(&sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 626 627 sc->sc_dk.dk_label.d_secsize = sc->blksize; 628 sc->sc_dk.dk_label.d_ntracks = 1; 629 sc->sc_dk.dk_label.d_nsectors = 100; 630 sc->sc_dk.dk_label.d_ncylinders = (sc->disksize / 100) + 1; 631 sc->sc_dk.dk_label.d_secpercyl = 632 sc->sc_dk.dk_label.d_ntracks * sc->sc_dk.dk_label.d_nsectors; 633 634 strncpy(sc->sc_dk.dk_label.d_typename, "Mitsumi CD-ROM", 16); 635 sc->sc_dk.dk_label.d_type = 0; /* XXX */ 636 strncpy(sc->sc_dk.dk_label.d_packname, "fictitious", 16); 637 sc->sc_dk.dk_label.d_secperunit = sc->disksize; 638 sc->sc_dk.dk_label.d_rpm = 300; 639 sc->sc_dk.dk_label.d_interleave = 1; 640 sc->sc_dk.dk_label.d_flags = D_REMOVABLE; 641 642 sc->sc_dk.dk_label.d_partitions[0].p_offset = 0; 643 sc->sc_dk.dk_label.d_partitions[0].p_size = 644 sc->sc_dk.dk_label.d_secperunit * 645 (sc->sc_dk.dk_label.d_secsize / DEV_BSIZE); 646 sc->sc_dk.dk_label.d_partitions[0].p_fstype = FS_ISO9660; 647 sc->sc_dk.dk_label.d_npartitions = 1; 648 649 sc->sc_dk.dk_label.d_magic = DISKMAGIC; 650 sc->sc_dk.dk_label.d_magic2 = DISKMAGIC; 651 sc->sc_dk.dk_label.d_checksum = dkcksum(&sc->sc_dk.dk_label); 652 } 653 654 int 655 mcd_get_parms(sc) 656 struct mcd_softc *sc; 657 { 658 struct mcd_mbox mbx; 659 daddr_t size; 660 int error; 661 662 /* Send volume info command. */ 663 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 664 mbx.cmd.length = 0; 665 mbx.res.length = sizeof(mbx.res.data.volinfo); 666 if ((error = mcd_send(sc, &mbx, 1)) != 0) 667 return error; 668 669 if (mbx.res.data.volinfo.trk_low == 0x00 && 670 mbx.res.data.volinfo.trk_high == 0x00) 671 return EINVAL; 672 673 /* Volinfo is OK. */ 674 sc->volinfo = mbx.res.data.volinfo; 675 sc->blksize = MCD_BLKSIZE_COOKED; 676 size = msf2hsg(sc->volinfo.vol_msf, 0); 677 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 678 return 0; 679 } 680 681 int 682 mcdsize(dev) 683 dev_t dev; 684 { 685 686 /* CD-ROMs are read-only. */ 687 return -1; 688 } 689 690 int 691 mcddump(dev, blkno, va, size) 692 dev_t dev; 693 daddr_t blkno; 694 caddr_t va; 695 size_t size; 696 { 697 698 /* Not implemented. */ 699 return ENXIO; 700 } 701 702 int 703 mcdprobe(parent, match, aux) 704 struct device *parent; 705 void *match, *aux; 706 { 707 struct mcd_softc *sc = match; 708 struct isa_attach_args *ia = aux; 709 int iobase = ia->ia_iobase; 710 int i; 711 struct mcd_mbox mbx; 712 713 sc->iobase = iobase; 714 715 /* Send a reset. */ 716 outb(iobase + MCD_RESET, 0); 717 delay(1000000); 718 /* Get any pending status and throw away. */ 719 for (i = 10; i; i--) 720 inb(iobase + MCD_STATUS); 721 delay(1000); 722 723 /* Send get status command. */ 724 mbx.cmd.opcode = MCD_CMDGETSTAT; 725 mbx.cmd.length = 0; 726 mbx.res.length = 0; 727 if (mcd_send(sc, &mbx, 0) != 0) 728 return 0; 729 730 /* Get info about the drive. */ 731 mbx.cmd.opcode = MCD_CMDCONTINFO; 732 mbx.cmd.length = 0; 733 mbx.res.length = sizeof(mbx.res.data.continfo); 734 if (mcd_send(sc, &mbx, 0) != 0) 735 return 0; 736 737 /* 738 * The following is code which is not guaranteed to work for all 739 * drives, because the meaning of the expected 'M' is not clear 740 * (M_itsumi is an obvious assumption, but I don't trust that). 741 * Also, the original hack had a bogus condition that always 742 * returned true. 743 * 744 * Note: Which models support interrupts? >=LU005S? 745 */ 746 switch (mbx.res.data.continfo.code) { 747 case 'M': 748 if (mbx.res.data.continfo.version <= 2) 749 sc->type = "LU002S"; 750 else if (mbx.res.data.continfo.version <= 5) 751 sc->type = "LU005S"; 752 else 753 sc->type = "LU006S"; 754 break; 755 case 'F': 756 sc->type = "FX001"; 757 break; 758 case 'D': 759 sc->type = "FX001D"; 760 break; 761 default: 762 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 763 sc->sc_dev.dv_xname, 764 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 765 sc->type = 0; 766 break; 767 } 768 769 ia->ia_iosize = 4; 770 ia->ia_msize = 0; 771 return 1; 772 } 773 774 int 775 mcd_getreply(sc) 776 struct mcd_softc *sc; 777 { 778 int iobase = sc->iobase; 779 int i; 780 781 /* Wait until xfer port senses data ready. */ 782 for (i = DELAY_GETREPLY; i; i--) { 783 if ((inb(iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) 784 break; 785 delay(DELAY_GRANULARITY); 786 } 787 if (!i) 788 return -1; 789 790 /* Get the data. */ 791 return inb(iobase + MCD_STATUS); 792 } 793 794 int 795 mcd_getstat(sc) 796 struct mcd_softc *sc; 797 { 798 struct mcd_mbox mbx; 799 800 mbx.cmd.opcode = MCD_CMDGETSTAT; 801 mbx.cmd.length = 0; 802 mbx.res.length = 0; 803 return mcd_send(sc, &mbx, 1); 804 } 805 806 int 807 mcd_getresult(sc, res) 808 struct mcd_softc *sc; 809 struct mcd_result *res; 810 { 811 int i, x; 812 813 if (sc->debug) 814 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 815 res->length); 816 817 if ((x = mcd_getreply(sc)) < 0) { 818 if (sc->debug) 819 printf(" timeout\n"); 820 else 821 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 822 return EIO; 823 } 824 if (sc->debug) 825 printf(" %02x", (u_int)x); 826 sc->status = x; 827 mcd_setflags(sc); 828 829 if ((sc->status & MCD_ST_CMDCHECK) != 0) 830 return EINVAL; 831 832 for (i = 0; i < res->length; i++) { 833 if ((x = mcd_getreply(sc)) < 0) { 834 if (sc->debug) 835 printf(" timeout\n"); 836 else 837 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 838 return EIO; 839 } 840 if (sc->debug) 841 printf(" %02x", (u_int)x); 842 res->data.raw.data[i] = x; 843 } 844 845 if (sc->debug) 846 printf(" succeeded\n"); 847 848 #ifdef MCDDEBUG 849 delay(10); 850 while ((inb(sc->iobase + MCD_XFER) & MCD_XF_STATUSUNAVAIL) == 0) { 851 x = inb(sc->iobase + MCD_STATUS); 852 printf("%s: got extra byte %02x during getstatus\n", 853 sc->sc_dev.dv_xname, (u_int)x); 854 delay(10); 855 } 856 #endif 857 858 return 0; 859 } 860 861 void 862 mcd_setflags(sc) 863 struct mcd_softc *sc; 864 { 865 866 /* Check flags. */ 867 if ((sc->flags & MCDF_LOADED) != 0 && 868 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 869 MCD_ST_DSKIN) { 870 if ((sc->status & MCD_ST_DOOROPEN) != 0) 871 printf("%s: door open\n", sc->sc_dev.dv_xname); 872 else if ((sc->status & MCD_ST_DSKIN) == 0) 873 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 874 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 875 printf("%s: media change\n", sc->sc_dev.dv_xname); 876 sc->flags &= ~MCDF_LOADED; 877 } 878 879 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 880 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 881 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 882 sc->audio_status == CD_AS_AUDIO_INVALID) 883 sc->audio_status = CD_AS_PLAY_COMPLETED; 884 } 885 886 int 887 mcd_send(sc, mbx, diskin) 888 struct mcd_softc *sc; 889 struct mcd_mbox *mbx; 890 int diskin; 891 { 892 int iobase = sc->iobase; 893 int retry, i, error; 894 895 if (sc->debug) { 896 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 897 mbx->cmd.length, (u_int)mbx->cmd.opcode); 898 for (i = 0; i < mbx->cmd.length; i++) 899 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 900 printf("\n"); 901 } 902 903 for (retry = MCD_RETRIES; retry; retry--) { 904 outb(iobase + MCD_COMMAND, mbx->cmd.opcode); 905 for (i = 0; i < mbx->cmd.length; i++) 906 outb(iobase + MCD_COMMAND, mbx->cmd.data.raw.data[i]); 907 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 908 break; 909 if (error == EINVAL) 910 return error; 911 } 912 if (!retry) 913 return error; 914 if (diskin && (sc->flags & MCDF_LOADED) == 0) 915 return EIO; 916 917 return 0; 918 } 919 920 static int 921 bcd2bin(b) 922 bcd_t b; 923 { 924 925 return (b >> 4) * 10 + (b & 15); 926 } 927 928 static bcd_t 929 bin2bcd(b) 930 int b; 931 { 932 933 return ((b / 10) << 4) | (b % 10); 934 } 935 936 static void 937 hsg2msf(hsg, msf) 938 int hsg; 939 bcd_t *msf; 940 { 941 942 hsg += 150; 943 F_msf(msf) = bin2bcd(hsg % 75); 944 hsg /= 75; 945 S_msf(msf) = bin2bcd(hsg % 60); 946 hsg /= 60; 947 M_msf(msf) = bin2bcd(hsg); 948 } 949 950 static daddr_t 951 msf2hsg(msf, relative) 952 bcd_t *msf; 953 int relative; 954 { 955 daddr_t blkno; 956 957 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 958 bcd2bin(S_msf(msf)) * 75 + 959 bcd2bin(F_msf(msf)); 960 if (!relative) 961 blkno -= 150; 962 return blkno; 963 } 964 965 void 966 mcd_pseudointr(sc) 967 struct mcd_softc *sc; 968 { 969 int s; 970 971 s = splbio(); 972 (void) mcdintr(sc); 973 splx(s); 974 } 975 976 /* 977 * State machine to process read requests. 978 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 979 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 980 * MCD_S_WAITREAD: wait for read ready, read data. 981 */ 982 int 983 mcdintr(arg) 984 void *arg; 985 { 986 struct mcd_softc *sc = arg; 987 struct mcd_mbx *mbx = &sc->mbx; 988 int iobase = sc->iobase; 989 struct buf *bp = mbx->bp; 990 991 int i; 992 u_char x; 993 bcd_t msf[3]; 994 995 switch (mbx->state) { 996 case MCD_S_IDLE: 997 return 0; 998 999 case MCD_S_BEGIN: 1000 tryagain: 1001 if (mbx->mode == sc->lastmode) 1002 goto firstblock; 1003 1004 sc->lastmode = MCD_MD_UNKNOWN; 1005 outb(iobase + MCD_COMMAND, MCD_CMDSETMODE); 1006 outb(iobase + MCD_COMMAND, mbx->mode); 1007 1008 mbx->count = RDELAY_WAITMODE; 1009 mbx->state = MCD_S_WAITMODE; 1010 1011 case MCD_S_WAITMODE: 1012 untimeout(mcd_pseudointr, sc); 1013 for (i = 20; i; i--) { 1014 x = inb(iobase + MCD_XFER); 1015 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1016 break; 1017 delay(50); 1018 } 1019 if (i == 0) 1020 goto hold; 1021 sc->status = inb(iobase + MCD_STATUS); 1022 mcd_setflags(sc); 1023 if ((sc->flags & MCDF_LOADED) == 0) 1024 goto changed; 1025 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1026 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1027 1028 sc->lastmode = mbx->mode; 1029 1030 firstblock: 1031 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1032 bp, 0, 0); 1033 1034 /* Build parameter block. */ 1035 hsg2msf(mbx->blkno, msf); 1036 1037 /* Send the read command. */ 1038 outb(iobase + MCD_COMMAND, MCD_CMDREAD2); 1039 outb(iobase + MCD_COMMAND, msf[0]); 1040 outb(iobase + MCD_COMMAND, msf[1]); 1041 outb(iobase + MCD_COMMAND, msf[2]); 1042 outb(iobase + MCD_COMMAND, 0); 1043 outb(iobase + MCD_COMMAND, 0); 1044 outb(iobase + MCD_COMMAND, mbx->nblk); 1045 1046 mbx->count = RDELAY_WAITREAD; 1047 mbx->state = MCD_S_WAITREAD; 1048 1049 case MCD_S_WAITREAD: 1050 untimeout(mcd_pseudointr, sc); 1051 nextblock: 1052 loop: 1053 for (i = 20; i; i--) { 1054 x = inb(iobase + MCD_XFER); 1055 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1056 goto gotblock; 1057 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1058 break; 1059 delay(50); 1060 } 1061 if (i == 0) 1062 goto hold; 1063 sc->status = inb(iobase + MCD_STATUS); 1064 mcd_setflags(sc); 1065 if ((sc->flags & MCDF_LOADED) == 0) 1066 goto changed; 1067 #if 0 1068 printf("%s: got status byte %02x during read\n", 1069 sc->sc_dev.dv_xname, (u_int)sc->status); 1070 #endif 1071 goto loop; 1072 1073 gotblock: 1074 MCD_TRACE("doread: got data delay=%d\n", 1075 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1076 1077 /* Data is ready. */ 1078 outb(iobase + MCD_CTL2, 0x04); /* XXX */ 1079 insb(iobase + MCD_RDATA, bp->b_data + mbx->skip, mbx->sz); 1080 outb(iobase + MCD_CTL2, 0x0c); /* XXX */ 1081 mbx->blkno += 1; 1082 mbx->skip += mbx->sz; 1083 if (--mbx->nblk > 0) 1084 goto nextblock; 1085 1086 mbx->state = MCD_S_IDLE; 1087 1088 /* Return buffer. */ 1089 bp->b_resid = 0; 1090 biodone(bp); 1091 1092 mcdstart(sc); 1093 return 1; 1094 1095 hold: 1096 if (mbx->count-- < 0) { 1097 printf("%s: timeout in state %d", 1098 sc->sc_dev.dv_xname, mbx->state); 1099 goto readerr; 1100 } 1101 1102 #if 0 1103 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1104 mbx->state); 1105 #endif 1106 timeout(mcd_pseudointr, sc, hz / 100); 1107 return -1; 1108 } 1109 1110 readerr: 1111 if (mbx->retry-- > 0) { 1112 printf("; retrying\n"); 1113 goto tryagain; 1114 } else 1115 printf("; giving up\n"); 1116 1117 changed: 1118 harderr: 1119 /* Invalidate the buffer. */ 1120 bp->b_flags |= B_ERROR; 1121 bp->b_resid = bp->b_bcount - mbx->skip; 1122 biodone(bp); 1123 1124 mcdstart(sc); 1125 return -1; 1126 1127 #ifdef notyet 1128 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1129 outb(mbx->iobase + MCD_RESET, MCD_CMDRESET); 1130 delay(300000); 1131 (void) mcd_getstat(sc, 1); 1132 (void) mcd_getstat(sc, 1); 1133 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1134 sc->debug = 1; /* preventive set debug mode */ 1135 #endif 1136 } 1137 1138 void 1139 mcd_soft_reset(sc) 1140 struct mcd_softc *sc; 1141 { 1142 1143 sc->debug = 0; 1144 sc->flags = 0; 1145 sc->lastmode = MCD_MD_UNKNOWN; 1146 sc->lastupc = MCD_UPC_UNKNOWN; 1147 sc->audio_status = CD_AS_AUDIO_INVALID; 1148 outb(sc->iobase + MCD_CTL2, 0x0c); /* XXX */ 1149 } 1150 1151 int 1152 mcd_hard_reset(sc) 1153 struct mcd_softc *sc; 1154 { 1155 struct mcd_mbox mbx; 1156 1157 mcd_soft_reset(sc); 1158 1159 mbx.cmd.opcode = MCD_CMDRESET; 1160 mbx.cmd.length = 0; 1161 mbx.res.length = 0; 1162 return mcd_send(sc, &mbx, 0); 1163 } 1164 1165 int 1166 mcd_setmode(sc, mode) 1167 struct mcd_softc *sc; 1168 int mode; 1169 { 1170 struct mcd_mbox mbx; 1171 int error; 1172 1173 if (sc->lastmode == mode) 1174 return 0; 1175 if (sc->debug) 1176 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1177 sc->lastmode = MCD_MD_UNKNOWN; 1178 1179 mbx.cmd.opcode = MCD_CMDSETMODE; 1180 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1181 mbx.cmd.data.datamode.mode = mode; 1182 mbx.res.length = 0; 1183 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1184 return error; 1185 1186 sc->lastmode = mode; 1187 return 0; 1188 } 1189 1190 int 1191 mcd_setupc(sc, upc) 1192 struct mcd_softc *sc; 1193 int upc; 1194 { 1195 struct mcd_mbox mbx; 1196 int error; 1197 1198 if (sc->lastupc == upc) 1199 return 0; 1200 if (sc->debug) 1201 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1202 sc->lastupc = MCD_UPC_UNKNOWN; 1203 1204 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1205 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1206 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1207 mbx.cmd.data.config.data1 = upc; 1208 mbx.res.length = 0; 1209 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1210 return error; 1211 1212 sc->lastupc = upc; 1213 return 0; 1214 } 1215 1216 int 1217 mcd_toc_header(sc, th) 1218 struct mcd_softc *sc; 1219 struct ioc_toc_header *th; 1220 { 1221 1222 if (sc->debug) 1223 printf("%s: mcd_toc_header: reading toc header\n", 1224 sc->sc_dev.dv_xname); 1225 1226 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1227 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1228 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1229 1230 return 0; 1231 } 1232 1233 int 1234 mcd_read_toc(sc) 1235 struct mcd_softc *sc; 1236 { 1237 struct ioc_toc_header th; 1238 union mcd_qchninfo q; 1239 int error, trk, idx, retry; 1240 1241 if ((error = mcd_toc_header(sc, &th)) != 0) 1242 return error; 1243 1244 if ((error = mcd_stop(sc)) != 0) 1245 return error; 1246 1247 if (sc->debug) 1248 printf("%s: read_toc: reading qchannel info\n", 1249 sc->sc_dev.dv_xname); 1250 1251 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1252 sc->toc[trk].toc.idx_no = 0x00; 1253 trk = th.ending_track - th.starting_track + 1; 1254 for (retry = 300; retry && trk > 0; retry--) { 1255 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1256 break; 1257 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1258 continue; 1259 idx = bcd2bin(q.toc.idx_no); 1260 if (idx < MCD_MAXTOCS && 1261 sc->toc[idx].toc.idx_no == 0x00) { 1262 sc->toc[idx] = q; 1263 trk--; 1264 } 1265 } 1266 1267 /* Inform the drive that we're finished so it turns off the light. */ 1268 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1269 return error; 1270 1271 if (trk != 0) 1272 return EINVAL; 1273 1274 /* Add a fake last+1 for mcd_playtracks(). */ 1275 idx = th.ending_track + 1; 1276 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1277 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1278 sc->toc[idx].toc.trk_no = 0x00; 1279 sc->toc[idx].toc.idx_no = 0xaa; 1280 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1281 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1282 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1283 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 /* Copy the TOC data. */ 1323 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1324 if (sc->toc[trk].toc.idx_no == 0x00) 1325 continue; 1326 data.entries[n].control = sc->toc[trk].toc.control; 1327 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1328 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1329 switch (te->address_format) { 1330 case CD_MSF_FORMAT: 1331 data.entries[n].addr[0] = 0; 1332 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1333 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1334 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1335 break; 1336 case CD_LBA_FORMAT: 1337 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1338 data.entries[n].addr[0] = lba >> 24; 1339 data.entries[n].addr[1] = lba >> 16; 1340 data.entries[n].addr[2] = lba >> 8; 1341 data.entries[n].addr[3] = lba; 1342 break; 1343 } 1344 n++; 1345 } 1346 1347 len = min(len, n * sizeof(struct cd_toc_entry)); 1348 1349 /* Copy the data back. */ 1350 return copyout(&data.entries[0], te->data, len); 1351 } 1352 1353 int 1354 mcd_stop(sc) 1355 struct mcd_softc *sc; 1356 { 1357 struct mcd_mbox mbx; 1358 int error; 1359 1360 if (sc->debug) 1361 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1362 1363 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1364 mbx.cmd.length = 0; 1365 mbx.res.length = 0; 1366 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1367 return error; 1368 1369 sc->audio_status = CD_AS_PLAY_COMPLETED; 1370 return 0; 1371 } 1372 1373 int 1374 mcd_getqchan(sc, q, qchn) 1375 struct mcd_softc *sc; 1376 union mcd_qchninfo *q; 1377 int qchn; 1378 { 1379 struct mcd_mbox mbx; 1380 int error; 1381 1382 if (qchn == CD_TRACK_INFO) { 1383 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1384 return error; 1385 } else { 1386 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1387 return error; 1388 } 1389 if (qchn == CD_MEDIA_CATALOG) { 1390 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1391 return error; 1392 } else { 1393 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1394 return error; 1395 } 1396 1397 mbx.cmd.opcode = MCD_CMDGETQCHN; 1398 mbx.cmd.length = 0; 1399 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1400 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1401 return error; 1402 1403 *q = mbx.res.data.qchninfo; 1404 return 0; 1405 } 1406 1407 int 1408 mcd_read_subchannel(sc, ch) 1409 struct mcd_softc *sc; 1410 struct ioc_read_subchannel *ch; 1411 { 1412 int len = ch->data_len; 1413 union mcd_qchninfo q; 1414 struct cd_sub_channel_info data; 1415 daddr_t lba; 1416 int error; 1417 1418 if (sc->debug) 1419 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1420 ch->address_format, ch->data_format); 1421 1422 if (len > sizeof(data) || 1423 len < sizeof(struct cd_sub_channel_header)) 1424 return EINVAL; 1425 if (ch->address_format != CD_MSF_FORMAT && 1426 ch->address_format != CD_LBA_FORMAT) 1427 return EINVAL; 1428 if (ch->data_format != CD_CURRENT_POSITION && 1429 ch->data_format != CD_MEDIA_CATALOG) 1430 return EINVAL; 1431 1432 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1433 return error; 1434 1435 data.header.audio_status = sc->audio_status; 1436 data.what.media_catalog.data_format = ch->data_format; 1437 1438 switch (ch->data_format) { 1439 case CD_MEDIA_CATALOG: 1440 data.what.media_catalog.mc_valid = 1; 1441 #if 0 1442 data.what.media_catalog.mc_number = 1443 #endif 1444 break; 1445 1446 case CD_CURRENT_POSITION: 1447 data.what.position.track_number = bcd2bin(q.current.trk_no); 1448 data.what.position.index_number = bcd2bin(q.current.idx_no); 1449 switch (ch->address_format) { 1450 case CD_MSF_FORMAT: 1451 data.what.position.reladdr[0] = 0; 1452 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1453 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1454 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1455 data.what.position.absaddr[0] = 0; 1456 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1457 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1458 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1459 break; 1460 case CD_LBA_FORMAT: 1461 lba = msf2hsg(q.current.relative_pos, 1); 1462 /* 1463 * Pre-gap has index number of 0, and decreasing MSF 1464 * address. Must be converted to negative LBA, per 1465 * SCSI spec. 1466 */ 1467 if (data.what.position.index_number == 0x00) 1468 lba = -lba; 1469 data.what.position.reladdr[0] = lba >> 24; 1470 data.what.position.reladdr[1] = lba >> 16; 1471 data.what.position.reladdr[2] = lba >> 8; 1472 data.what.position.reladdr[3] = lba; 1473 lba = msf2hsg(q.current.absolute_pos, 0); 1474 data.what.position.absaddr[0] = lba >> 24; 1475 data.what.position.absaddr[1] = lba >> 16; 1476 data.what.position.absaddr[2] = lba >> 8; 1477 data.what.position.absaddr[3] = lba; 1478 break; 1479 } 1480 break; 1481 } 1482 1483 return copyout(&data, ch->data, len); 1484 } 1485 1486 int 1487 mcd_playtracks(sc, p) 1488 struct mcd_softc *sc; 1489 struct ioc_play_track *p; 1490 { 1491 struct mcd_mbox mbx; 1492 int a = p->start_track; 1493 int z = p->end_track; 1494 int error; 1495 1496 if (sc->debug) 1497 printf("%s: playtracks: from %d:%d to %d:%d\n", 1498 sc->sc_dev.dv_xname, 1499 a, p->start_index, z, p->end_index); 1500 1501 if (a < bcd2bin(sc->volinfo.trk_low) || 1502 a > bcd2bin(sc->volinfo.trk_high) || 1503 a > z || 1504 z < bcd2bin(sc->volinfo.trk_low) || 1505 z > bcd2bin(sc->volinfo.trk_high)) 1506 return EINVAL; 1507 1508 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1509 return error; 1510 1511 mbx.cmd.opcode = MCD_CMDREAD2; 1512 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1513 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1514 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1515 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1516 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1517 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1518 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1519 sc->lastpb = mbx.cmd; 1520 mbx.res.length = 0; 1521 return mcd_send(sc, &mbx, 1); 1522 } 1523 1524 int 1525 mcd_playmsf(sc, p) 1526 struct mcd_softc *sc; 1527 struct ioc_play_msf *p; 1528 { 1529 struct mcd_mbox mbx; 1530 int error; 1531 1532 if (sc->debug) 1533 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1534 sc->sc_dev.dv_xname, 1535 p->start_m, p->start_s, p->start_f, 1536 p->end_m, p->end_s, p->end_f); 1537 1538 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1539 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1540 return EINVAL; 1541 1542 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1543 return error; 1544 1545 mbx.cmd.opcode = MCD_CMDREAD2; 1546 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1547 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1548 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1549 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1550 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1551 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1552 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1553 sc->lastpb = mbx.cmd; 1554 mbx.res.length = 0; 1555 return mcd_send(sc, &mbx, 1); 1556 } 1557 1558 int 1559 mcd_playblocks(sc, p) 1560 struct mcd_softc *sc; 1561 struct ioc_play_blocks *p; 1562 { 1563 struct mcd_mbox mbx; 1564 int error; 1565 1566 if (sc->debug) 1567 printf("%s: playblocks: blkno %d length %d\n", 1568 sc->sc_dev.dv_xname, p->blk, p->len); 1569 1570 if (p->blk > sc->disksize || p->len > sc->disksize || 1571 (p->blk + p->len) > sc->disksize) 1572 return 0; 1573 1574 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1575 return error; 1576 1577 mbx.cmd.opcode = MCD_CMDREAD2; 1578 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1579 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1580 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1581 sc->lastpb = mbx.cmd; 1582 mbx.res.length = 0; 1583 return mcd_send(sc, &mbx, 1); 1584 } 1585 1586 int 1587 mcd_pause(sc) 1588 struct mcd_softc *sc; 1589 { 1590 union mcd_qchninfo q; 1591 int error; 1592 1593 /* Verify current status. */ 1594 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1595 printf("%s: pause: attempted when not playing\n", 1596 sc->sc_dev.dv_xname); 1597 return EINVAL; 1598 } 1599 1600 /* Get the current position. */ 1601 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1602 return error; 1603 1604 /* Copy it into lastpb. */ 1605 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1606 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1607 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1608 1609 /* Stop playing. */ 1610 if ((error = mcd_stop(sc)) != 0) 1611 return error; 1612 1613 /* Set the proper status and exit. */ 1614 sc->audio_status = CD_AS_PLAY_PAUSED; 1615 return 0; 1616 } 1617 1618 int 1619 mcd_resume(sc) 1620 struct mcd_softc *sc; 1621 { 1622 struct mcd_mbox mbx; 1623 int error; 1624 1625 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1626 return EINVAL; 1627 1628 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1629 return error; 1630 1631 mbx.cmd = sc->lastpb; 1632 mbx.res.length = 0; 1633 return mcd_send(sc, &mbx, 1); 1634 } 1635 1636 int 1637 mcd_eject(sc) 1638 struct mcd_softc *sc; 1639 { 1640 struct mcd_mbox mbx; 1641 1642 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1643 mbx.cmd.length = 0; 1644 mbx.res.length = 0; 1645 return mcd_send(sc, &mbx, 0); 1646 } 1647 1648 int 1649 mcd_setlock(sc, mode) 1650 struct mcd_softc *sc; 1651 int mode; 1652 { 1653 struct mcd_mbox mbx; 1654 1655 mbx.cmd.opcode = MCD_CMDSETLOCK; 1656 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1657 mbx.cmd.data.lockmode.mode = mode; 1658 mbx.res.length = 0; 1659 return mcd_send(sc, &mbx, 1); 1660 } 1661
Indexes created Tue Sep 30 11:09:46 GMT 2025