mcd.c revision 1.59
1 /* $NetBSD: mcd.c,v 1.59 1998/01/12 09:43:42 thorpej 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/intr.h> 77 #include <machine/bus.h> 78 79 #include <dev/isa/isavar.h> 80 #include <dev/isa/mcdreg.h> 81 82 #ifndef MCDDEBUG 83 #define MCD_TRACE(fmt,a,b,c,d) 84 #else 85 #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);}} 86 #endif 87 88 #define MCDPART(dev) DISKPART(dev) 89 #define MCDUNIT(dev) DISKUNIT(dev) 90 91 /* toc */ 92 #define MCD_MAXTOCS 104 /* from the Linux driver */ 93 94 struct mcd_mbx { 95 int retry, count; 96 struct buf *bp; 97 daddr_t blkno; 98 int nblk; 99 int sz; 100 u_long skip; 101 int state; 102 #define MCD_S_IDLE 0 103 #define MCD_S_BEGIN 1 104 #define MCD_S_WAITMODE 2 105 #define MCD_S_WAITREAD 3 106 int mode; 107 }; 108 109 struct mcd_softc { 110 struct device sc_dev; 111 struct disk sc_dk; 112 void *sc_ih; 113 114 bus_space_tag_t sc_iot; 115 bus_space_handle_t sc_ioh; 116 117 int irq, drq; 118 119 char *type; 120 int flags; 121 #define MCDF_LOCKED 0x01 122 #define MCDF_WANTED 0x02 123 #define MCDF_WLABEL 0x04 /* label is writable */ 124 #define MCDF_LABELLING 0x08 /* writing label */ 125 #define MCDF_LOADED 0x10 /* parameters loaded */ 126 short status; 127 short audio_status; 128 int blksize; 129 u_long disksize; 130 struct mcd_volinfo volinfo; 131 union mcd_qchninfo toc[MCD_MAXTOCS]; 132 struct mcd_command lastpb; 133 struct mcd_mbx mbx; 134 int lastmode; 135 #define MCD_MD_UNKNOWN -1 136 int lastupc; 137 #define MCD_UPC_UNKNOWN -1 138 struct buf buf_queue; 139 u_char readcmd; 140 u_char debug; 141 u_char probe; 142 }; 143 144 /* prototypes */ 145 /* XXX does not belong here */ 146 cdev_decl(mcd); 147 bdev_decl(mcd); 148 149 static int bcd2bin __P((bcd_t)); 150 static bcd_t bin2bcd __P((int)); 151 static void hsg2msf __P((int, bcd_t *)); 152 static daddr_t msf2hsg __P((bcd_t *, int)); 153 154 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 155 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 156 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 157 int mcd_stop __P((struct mcd_softc *)); 158 int mcd_eject __P((struct mcd_softc *)); 159 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 160 int mcd_pause __P((struct mcd_softc *)); 161 int mcd_resume __P((struct mcd_softc *)); 162 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 163 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 164 165 int mcd_getreply __P((struct mcd_softc *)); 166 int mcd_getstat __P((struct mcd_softc *)); 167 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 168 void mcd_setflags __P((struct mcd_softc *)); 169 int mcd_get __P((struct mcd_softc *, char *, int)); 170 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 171 int mcdintr __P((void *)); 172 void mcd_soft_reset __P((struct mcd_softc *)); 173 int mcd_hard_reset __P((struct mcd_softc *)); 174 int mcd_setmode __P((struct mcd_softc *, int)); 175 int mcd_setupc __P((struct mcd_softc *, int)); 176 int mcd_read_toc __P((struct mcd_softc *)); 177 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 178 int mcd_setlock __P((struct mcd_softc *, int)); 179 180 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 181 int mcdprobe __P((struct device *, void *, void *)); 182 void mcdattach __P((struct device *, struct device *, void *)); 183 184 struct cfattach mcd_ca = { 185 sizeof(struct mcd_softc), mcdprobe, mcdattach 186 }; 187 188 extern struct cfdriver mcd_cd; 189 190 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 191 void mcdgetdisklabel __P((struct mcd_softc *)); 192 int mcd_get_parms __P((struct mcd_softc *)); 193 void mcdstrategy __P((struct buf *)); 194 void mcdstart __P((struct mcd_softc *)); 195 int mcdlock __P((struct mcd_softc *)); 196 void mcdunlock __P((struct mcd_softc *)); 197 void mcd_pseudointr __P((void *)); 198 199 struct dkdriver mcddkdriver = { mcdstrategy }; 200 201 #define MCD_RETRIES 3 202 #define MCD_RDRETRIES 3 203 204 /* several delays */ 205 #define RDELAY_WAITMODE 300 206 #define RDELAY_WAITREAD 800 207 208 #define DELAY_GRANULARITY 25 /* 25us */ 209 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 210 211 void 212 mcdattach(parent, self, aux) 213 struct device *parent, *self; 214 void *aux; 215 { 216 struct mcd_softc *sc = (void *)self; 217 struct isa_attach_args *ia = aux; 218 bus_space_tag_t iot = ia->ia_iot; 219 bus_space_handle_t ioh; 220 struct mcd_mbox mbx; 221 222 /* Map i/o space */ 223 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 224 printf(": can't map i/o space\n"); 225 return; 226 } 227 228 sc->sc_iot = iot; 229 sc->sc_ioh = ioh; 230 231 sc->probe = 0; 232 sc->debug = 0; 233 234 if (!mcd_find(iot, ioh, sc)) { 235 printf(": mcd_find failed\n"); 236 return; 237 } 238 239 /* 240 * Initialize and attach the disk structure. 241 */ 242 sc->sc_dk.dk_driver = &mcddkdriver; 243 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 244 disk_attach(&sc->sc_dk); 245 246 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 247 248 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 249 250 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 251 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 252 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 253 mbx.cmd.data.config.data1 = 0x01; 254 mbx.res.length = 0; 255 (void) mcd_send(sc, &mbx, 0); 256 257 mcd_soft_reset(sc); 258 259 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 260 IPL_BIO, mcdintr, sc); 261 } 262 263 /* 264 * Wait interruptibly for an exclusive lock. 265 * 266 * XXX 267 * Several drivers do this; it should be abstracted and made MP-safe. 268 */ 269 int 270 mcdlock(sc) 271 struct mcd_softc *sc; 272 { 273 int error; 274 275 while ((sc->flags & MCDF_LOCKED) != 0) { 276 sc->flags |= MCDF_WANTED; 277 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 278 return error; 279 } 280 sc->flags |= MCDF_LOCKED; 281 return 0; 282 } 283 284 /* 285 * Unlock and wake up any waiters. 286 */ 287 void 288 mcdunlock(sc) 289 struct mcd_softc *sc; 290 { 291 292 sc->flags &= ~MCDF_LOCKED; 293 if ((sc->flags & MCDF_WANTED) != 0) { 294 sc->flags &= ~MCDF_WANTED; 295 wakeup(sc); 296 } 297 } 298 299 int 300 mcdopen(dev, flag, fmt, p) 301 dev_t dev; 302 int flag, fmt; 303 struct proc *p; 304 { 305 int error; 306 int unit, part; 307 struct mcd_softc *sc; 308 309 unit = MCDUNIT(dev); 310 if (unit >= mcd_cd.cd_ndevs) 311 return ENXIO; 312 sc = mcd_cd.cd_devs[unit]; 313 if (!sc) 314 return ENXIO; 315 316 if ((error = mcdlock(sc)) != 0) 317 return error; 318 319 if (sc->sc_dk.dk_openmask != 0) { 320 /* 321 * If any partition is open, but the disk has been invalidated, 322 * disallow further opens. 323 */ 324 if ((sc->flags & MCDF_LOADED) == 0) { 325 error = EIO; 326 goto bad3; 327 } 328 } else { 329 /* 330 * Lock the drawer. This will also notice any pending disk 331 * change or door open indicator and clear the MCDF_LOADED bit 332 * if necessary. 333 */ 334 (void) mcd_setlock(sc, MCD_LK_LOCK); 335 336 if ((sc->flags & MCDF_LOADED) == 0) { 337 /* Partially reset the state. */ 338 sc->lastmode = MCD_MD_UNKNOWN; 339 sc->lastupc = MCD_UPC_UNKNOWN; 340 341 sc->flags |= MCDF_LOADED; 342 343 /* Set the mode, causing the disk to spin up. */ 344 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 345 goto bad2; 346 347 /* Load the physical device parameters. */ 348 if (mcd_get_parms(sc) != 0) { 349 error = ENXIO; 350 goto bad2; 351 } 352 353 /* Read the table of contents. */ 354 if ((error = mcd_read_toc(sc)) != 0) 355 goto bad2; 356 357 /* Fabricate a disk label. */ 358 mcdgetdisklabel(sc); 359 } 360 } 361 362 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 363 sc->disksize, sc->blksize, 0); 364 365 part = MCDPART(dev); 366 367 /* Check that the partition exists. */ 368 if (part != RAW_PART && 369 (part >= sc->sc_dk.dk_label->d_npartitions || 370 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 371 error = ENXIO; 372 goto bad; 373 } 374 375 /* Insure only one open at a time. */ 376 switch (fmt) { 377 case S_IFCHR: 378 sc->sc_dk.dk_copenmask |= (1 << part); 379 break; 380 case S_IFBLK: 381 sc->sc_dk.dk_bopenmask |= (1 << part); 382 break; 383 } 384 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 385 386 mcdunlock(sc); 387 return 0; 388 389 bad2: 390 sc->flags &= ~MCDF_LOADED; 391 392 bad: 393 if (sc->sc_dk.dk_openmask == 0) { 394 #if 0 395 (void) mcd_setmode(sc, MCD_MD_SLEEP); 396 #endif 397 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 398 } 399 400 bad3: 401 mcdunlock(sc); 402 return error; 403 } 404 405 int 406 mcdclose(dev, flag, fmt, p) 407 dev_t dev; 408 int flag, fmt; 409 struct proc *p; 410 { 411 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 412 int part = MCDPART(dev); 413 int error; 414 415 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 416 417 if ((error = mcdlock(sc)) != 0) 418 return error; 419 420 switch (fmt) { 421 case S_IFCHR: 422 sc->sc_dk.dk_copenmask &= ~(1 << part); 423 break; 424 case S_IFBLK: 425 sc->sc_dk.dk_bopenmask &= ~(1 << part); 426 break; 427 } 428 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 429 430 if (sc->sc_dk.dk_openmask == 0) { 431 /* XXXX Must wait for I/O to complete! */ 432 433 #if 0 434 (void) mcd_setmode(sc, MCD_MD_SLEEP); 435 #endif 436 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 437 } 438 439 mcdunlock(sc); 440 return 0; 441 } 442 443 void 444 mcdstrategy(bp) 445 struct buf *bp; 446 { 447 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 448 int s; 449 450 /* Test validity. */ 451 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 452 bp->b_blkno, bp->b_bcount, 0); 453 if (bp->b_blkno < 0 || 454 (bp->b_bcount % sc->blksize) != 0) { 455 printf("%s: strategy: blkno = %d bcount = %ld\n", 456 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 457 bp->b_error = EINVAL; 458 goto bad; 459 } 460 461 /* If device invalidated (e.g. media change, door open), error. */ 462 if ((sc->flags & MCDF_LOADED) == 0) { 463 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 464 bp->b_error = EIO; 465 goto bad; 466 } 467 468 /* No data to read. */ 469 if (bp->b_bcount == 0) 470 goto done; 471 472 /* 473 * Do bounds checking, adjust transfer. if error, process. 474 * If end of partition, just return. 475 */ 476 if (MCDPART(bp->b_dev) != RAW_PART && 477 bounds_check_with_label(bp, sc->sc_dk.dk_label, 478 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 479 goto done; 480 481 /* Queue it. */ 482 s = splbio(); 483 disksort(&sc->buf_queue, bp); 484 splx(s); 485 if (!sc->buf_queue.b_active) 486 mcdstart(sc); 487 return; 488 489 bad: 490 bp->b_flags |= B_ERROR; 491 done: 492 bp->b_resid = bp->b_bcount; 493 biodone(bp); 494 } 495 496 void 497 mcdstart(sc) 498 struct mcd_softc *sc; 499 { 500 struct buf *bp, *dp = &sc->buf_queue; 501 int s; 502 503 loop: 504 s = splbio(); 505 506 bp = dp->b_actf; 507 if (bp == NULL) { 508 /* Nothing to do. */ 509 dp->b_active = 0; 510 splx(s); 511 return; 512 } 513 514 /* Block found to process; dequeue. */ 515 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 516 dp->b_actf = bp->b_actf; 517 splx(s); 518 519 /* Changed media? */ 520 if ((sc->flags & MCDF_LOADED) == 0) { 521 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 522 bp->b_error = EIO; 523 bp->b_flags |= B_ERROR; 524 biodone(bp); 525 goto loop; 526 } 527 528 dp->b_active = 1; 529 530 /* Instrumentation. */ 531 s = splbio(); 532 disk_busy(&sc->sc_dk); 533 splx(s); 534 535 sc->mbx.retry = MCD_RDRETRIES; 536 sc->mbx.bp = bp; 537 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 538 if (MCDPART(bp->b_dev) != RAW_PART) { 539 struct partition *p; 540 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 541 sc->mbx.blkno += p->p_offset; 542 } 543 sc->mbx.nblk = bp->b_bcount / sc->blksize; 544 sc->mbx.sz = sc->blksize; 545 sc->mbx.skip = 0; 546 sc->mbx.state = MCD_S_BEGIN; 547 sc->mbx.mode = MCD_MD_COOKED; 548 549 s = splbio(); 550 (void) mcdintr(sc); 551 splx(s); 552 } 553 554 int 555 mcdread(dev, uio, flags) 556 dev_t dev; 557 struct uio *uio; 558 int flags; 559 { 560 561 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 562 } 563 564 int 565 mcdwrite(dev, uio, flags) 566 dev_t dev; 567 struct uio *uio; 568 int flags; 569 { 570 571 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 572 } 573 574 int 575 mcdioctl(dev, cmd, addr, flag, p) 576 dev_t dev; 577 u_long cmd; 578 caddr_t addr; 579 int flag; 580 struct proc *p; 581 { 582 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 583 int error; 584 585 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 586 587 if ((sc->flags & MCDF_LOADED) == 0) 588 return EIO; 589 590 switch (cmd) { 591 case DIOCGDINFO: 592 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 593 return 0; 594 595 case DIOCGPART: 596 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 597 ((struct partinfo *)addr)->part = 598 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 599 return 0; 600 601 case DIOCWDINFO: 602 case DIOCSDINFO: 603 if ((flag & FWRITE) == 0) 604 return EBADF; 605 606 if ((error = mcdlock(sc)) != 0) 607 return error; 608 sc->flags |= MCDF_LABELLING; 609 610 error = setdisklabel(sc->sc_dk.dk_label, 611 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 612 sc->sc_dk.dk_cpulabel); 613 if (error == 0) { 614 } 615 616 sc->flags &= ~MCDF_LABELLING; 617 mcdunlock(sc); 618 return error; 619 620 case DIOCWLABEL: 621 return EBADF; 622 623 case DIOCGDEFLABEL: 624 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 625 return 0; 626 627 case CDIOCPLAYTRACKS: 628 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 629 case CDIOCPLAYMSF: 630 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 631 case CDIOCPLAYBLOCKS: 632 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 633 case CDIOCREADSUBCHANNEL: 634 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 635 case CDIOREADTOCHEADER: 636 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 637 case CDIOREADTOCENTRYS: 638 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 639 case CDIOCSETPATCH: 640 case CDIOCGETVOL: 641 case CDIOCSETVOL: 642 case CDIOCSETMONO: 643 case CDIOCSETSTEREO: 644 case CDIOCSETMUTE: 645 case CDIOCSETLEFT: 646 case CDIOCSETRIGHT: 647 return EINVAL; 648 case CDIOCRESUME: 649 return mcd_resume(sc); 650 case CDIOCPAUSE: 651 return mcd_pause(sc); 652 case CDIOCSTART: 653 return EINVAL; 654 case CDIOCSTOP: 655 return mcd_stop(sc); 656 case CDIOCEJECT: /* FALLTHROUGH */ 657 case DIOCEJECT: 658 return mcd_eject(sc); 659 case CDIOCALLOW: 660 return mcd_setlock(sc, MCD_LK_UNLOCK); 661 case CDIOCPREVENT: 662 return mcd_setlock(sc, MCD_LK_LOCK); 663 case DIOCLOCK: 664 return mcd_setlock(sc, 665 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 666 case CDIOCSETDEBUG: 667 sc->debug = 1; 668 return 0; 669 case CDIOCCLRDEBUG: 670 sc->debug = 0; 671 return 0; 672 case CDIOCRESET: 673 return mcd_hard_reset(sc); 674 675 default: 676 return ENOTTY; 677 } 678 679 #ifdef DIAGNOSTIC 680 panic("mcdioctl: impossible"); 681 #endif 682 } 683 684 void 685 mcdgetdefaultlabel(sc, lp) 686 struct mcd_softc *sc; 687 struct disklabel *lp; 688 { 689 690 bzero(lp, sizeof(struct disklabel)); 691 692 lp->d_secsize = sc->blksize; 693 lp->d_ntracks = 1; 694 lp->d_nsectors = 100; 695 lp->d_ncylinders = (sc->disksize / 100) + 1; 696 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 697 698 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 699 lp->d_type = 0; /* XXX */ 700 strncpy(lp->d_packname, "fictitious", 16); 701 lp->d_secperunit = sc->disksize; 702 lp->d_rpm = 300; 703 lp->d_interleave = 1; 704 lp->d_flags = D_REMOVABLE; 705 706 lp->d_partitions[0].p_offset = 0; 707 lp->d_partitions[0].p_size = 708 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 709 lp->d_partitions[0].p_fstype = FS_ISO9660; 710 lp->d_partitions[RAW_PART].p_offset = 0; 711 lp->d_partitions[RAW_PART].p_size = 712 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 713 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 714 lp->d_npartitions = RAW_PART + 1; 715 716 lp->d_magic = DISKMAGIC; 717 lp->d_magic2 = DISKMAGIC; 718 lp->d_checksum = dkcksum(lp); 719 } 720 721 /* 722 * This could have been taken from scsi/cd.c, but it is not clear 723 * whether the scsi cd driver is linked in. 724 */ 725 void 726 mcdgetdisklabel(sc) 727 struct mcd_softc *sc; 728 { 729 struct disklabel *lp = sc->sc_dk.dk_label; 730 731 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 732 733 mcdgetdefaultlabel(sc, lp); 734 } 735 736 int 737 mcd_get_parms(sc) 738 struct mcd_softc *sc; 739 { 740 struct mcd_mbox mbx; 741 daddr_t size; 742 int error; 743 744 /* Send volume info command. */ 745 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 746 mbx.cmd.length = 0; 747 mbx.res.length = sizeof(mbx.res.data.volinfo); 748 if ((error = mcd_send(sc, &mbx, 1)) != 0) 749 return error; 750 751 if (mbx.res.data.volinfo.trk_low == 0x00 && 752 mbx.res.data.volinfo.trk_high == 0x00) 753 return EINVAL; 754 755 /* Volinfo is OK. */ 756 sc->volinfo = mbx.res.data.volinfo; 757 sc->blksize = MCD_BLKSIZE_COOKED; 758 size = msf2hsg(sc->volinfo.vol_msf, 0); 759 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 760 return 0; 761 } 762 763 int 764 mcdsize(dev) 765 dev_t dev; 766 { 767 768 /* CD-ROMs are read-only. */ 769 return -1; 770 } 771 772 int 773 mcddump(dev, blkno, va, size) 774 dev_t dev; 775 daddr_t blkno; 776 caddr_t va; 777 size_t size; 778 { 779 780 /* Not implemented. */ 781 return ENXIO; 782 } 783 784 /* 785 * Find the board and fill in the softc. 786 */ 787 int 788 mcd_find(iot, ioh, sc) 789 bus_space_tag_t iot; 790 bus_space_handle_t ioh; 791 struct mcd_softc *sc; 792 { 793 int i; 794 struct mcd_mbox mbx; 795 796 sc->sc_iot = iot; 797 sc->sc_ioh = ioh; 798 799 /* Send a reset. */ 800 bus_space_write_1(iot, ioh, MCD_RESET, 0); 801 delay(1000000); 802 /* Get any pending status and throw away. */ 803 for (i = 10; i; i--) 804 bus_space_read_1(iot, ioh, MCD_STATUS); 805 delay(1000); 806 807 /* Send get status command. */ 808 mbx.cmd.opcode = MCD_CMDGETSTAT; 809 mbx.cmd.length = 0; 810 mbx.res.length = 0; 811 if (mcd_send(sc, &mbx, 0) != 0) 812 return 0; 813 814 /* Get info about the drive. */ 815 mbx.cmd.opcode = MCD_CMDCONTINFO; 816 mbx.cmd.length = 0; 817 mbx.res.length = sizeof(mbx.res.data.continfo); 818 if (mcd_send(sc, &mbx, 0) != 0) 819 return 0; 820 821 /* 822 * The following is code which is not guaranteed to work for all 823 * drives, because the meaning of the expected 'M' is not clear 824 * (M_itsumi is an obvious assumption, but I don't trust that). 825 * Also, the original hack had a bogus condition that always 826 * returned true. 827 * 828 * Note: Which models support interrupts? >=LU005S? 829 */ 830 sc->readcmd = MCD_CMDREADSINGLESPEED; 831 switch (mbx.res.data.continfo.code) { 832 case 'M': 833 if (mbx.res.data.continfo.version <= 2) 834 sc->type = "LU002S"; 835 else if (mbx.res.data.continfo.version <= 5) 836 sc->type = "LU005S"; 837 else 838 sc->type = "LU006S"; 839 break; 840 case 'F': 841 sc->type = "FX001"; 842 break; 843 case 'D': 844 sc->type = "FX001D"; 845 sc->readcmd = MCD_CMDREADDOUBLESPEED; 846 break; 847 default: 848 #ifdef MCDDEBUG 849 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 850 sc->sc_dev.dv_xname, 851 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 852 #endif 853 sc->type = 0; 854 break; 855 } 856 857 return 1; 858 859 } 860 861 int 862 mcdprobe(parent, match, aux) 863 struct device *parent; 864 void *match, *aux; 865 { 866 struct isa_attach_args *ia = aux; 867 struct mcd_softc sc; 868 bus_space_tag_t iot = ia->ia_iot; 869 bus_space_handle_t ioh; 870 int rv; 871 872 /* Disallow wildcarded i/o address. */ 873 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 874 return (0); 875 876 /* Map i/o space */ 877 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 878 return 0; 879 880 sc.debug = 0; 881 sc.probe = 1; 882 883 rv = mcd_find(iot, ioh, &sc); 884 885 bus_space_unmap(iot, ioh, MCD_NPORT); 886 887 if (rv) { 888 ia->ia_iosize = MCD_NPORT; 889 ia->ia_msize = 0; 890 } 891 892 return (rv); 893 } 894 895 int 896 mcd_getreply(sc) 897 struct mcd_softc *sc; 898 { 899 bus_space_tag_t iot = sc->sc_iot; 900 bus_space_handle_t ioh = sc->sc_ioh; 901 int i; 902 903 /* Wait until xfer port senses data ready. */ 904 for (i = DELAY_GETREPLY; i; i--) { 905 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 906 MCD_XF_STATUSUNAVAIL) == 0) 907 break; 908 delay(DELAY_GRANULARITY); 909 } 910 if (!i) 911 return -1; 912 913 /* Get the data. */ 914 return bus_space_read_1(iot, ioh, MCD_STATUS); 915 } 916 917 int 918 mcd_getstat(sc) 919 struct mcd_softc *sc; 920 { 921 struct mcd_mbox mbx; 922 923 mbx.cmd.opcode = MCD_CMDGETSTAT; 924 mbx.cmd.length = 0; 925 mbx.res.length = 0; 926 return mcd_send(sc, &mbx, 1); 927 } 928 929 int 930 mcd_getresult(sc, res) 931 struct mcd_softc *sc; 932 struct mcd_result *res; 933 { 934 int i, x; 935 936 if (sc->debug) 937 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 938 res->length); 939 940 if ((x = mcd_getreply(sc)) < 0) { 941 if (sc->debug) 942 printf(" timeout\n"); 943 else if (!sc->probe) 944 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 945 return EIO; 946 } 947 if (sc->debug) 948 printf(" %02x", (u_int)x); 949 sc->status = x; 950 mcd_setflags(sc); 951 952 if ((sc->status & MCD_ST_CMDCHECK) != 0) 953 return EINVAL; 954 955 for (i = 0; i < res->length; i++) { 956 if ((x = mcd_getreply(sc)) < 0) { 957 if (sc->debug) 958 printf(" timeout\n"); 959 else 960 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 961 return EIO; 962 } 963 if (sc->debug) 964 printf(" %02x", (u_int)x); 965 res->data.raw.data[i] = x; 966 } 967 968 if (sc->debug) 969 printf(" succeeded\n"); 970 971 #ifdef MCDDEBUG 972 delay(10); 973 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 974 MCD_XF_STATUSUNAVAIL) == 0) { 975 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 976 printf("%s: got extra byte %02x during getstatus\n", 977 sc->sc_dev.dv_xname, (u_int)x); 978 delay(10); 979 } 980 #endif 981 982 return 0; 983 } 984 985 void 986 mcd_setflags(sc) 987 struct mcd_softc *sc; 988 { 989 990 /* Check flags. */ 991 if ((sc->flags & MCDF_LOADED) != 0 && 992 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 993 MCD_ST_DSKIN) { 994 if ((sc->status & MCD_ST_DOOROPEN) != 0) 995 printf("%s: door open\n", sc->sc_dev.dv_xname); 996 else if ((sc->status & MCD_ST_DSKIN) == 0) 997 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 998 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 999 printf("%s: media change\n", sc->sc_dev.dv_xname); 1000 sc->flags &= ~MCDF_LOADED; 1001 } 1002 1003 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1004 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1005 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1006 sc->audio_status == CD_AS_AUDIO_INVALID) 1007 sc->audio_status = CD_AS_PLAY_COMPLETED; 1008 } 1009 1010 int 1011 mcd_send(sc, mbx, diskin) 1012 struct mcd_softc *sc; 1013 struct mcd_mbox *mbx; 1014 int diskin; 1015 { 1016 int retry, i, error; 1017 bus_space_tag_t iot = sc->sc_iot; 1018 bus_space_handle_t ioh = sc->sc_ioh; 1019 1020 if (sc->debug) { 1021 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1022 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1023 for (i = 0; i < mbx->cmd.length; i++) 1024 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1025 printf("\n"); 1026 } 1027 1028 for (retry = MCD_RETRIES; retry; retry--) { 1029 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1030 for (i = 0; i < mbx->cmd.length; i++) 1031 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1032 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1033 break; 1034 if (error == EINVAL) 1035 return error; 1036 } 1037 if (!retry) 1038 return error; 1039 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1040 return EIO; 1041 1042 return 0; 1043 } 1044 1045 static int 1046 bcd2bin(b) 1047 bcd_t b; 1048 { 1049 1050 return (b >> 4) * 10 + (b & 15); 1051 } 1052 1053 static bcd_t 1054 bin2bcd(b) 1055 int b; 1056 { 1057 1058 return ((b / 10) << 4) | (b % 10); 1059 } 1060 1061 static void 1062 hsg2msf(hsg, msf) 1063 int hsg; 1064 bcd_t *msf; 1065 { 1066 1067 hsg += 150; 1068 F_msf(msf) = bin2bcd(hsg % 75); 1069 hsg /= 75; 1070 S_msf(msf) = bin2bcd(hsg % 60); 1071 hsg /= 60; 1072 M_msf(msf) = bin2bcd(hsg); 1073 } 1074 1075 static daddr_t 1076 msf2hsg(msf, relative) 1077 bcd_t *msf; 1078 int relative; 1079 { 1080 daddr_t blkno; 1081 1082 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1083 bcd2bin(S_msf(msf)) * 75 + 1084 bcd2bin(F_msf(msf)); 1085 if (!relative) 1086 blkno -= 150; 1087 return blkno; 1088 } 1089 1090 void 1091 mcd_pseudointr(v) 1092 void *v; 1093 { 1094 struct mcd_softc *sc = v; 1095 int s; 1096 1097 s = splbio(); 1098 (void) mcdintr(sc); 1099 splx(s); 1100 } 1101 1102 /* 1103 * State machine to process read requests. 1104 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1105 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1106 * MCD_S_WAITREAD: wait for read ready, read data. 1107 */ 1108 int 1109 mcdintr(arg) 1110 void *arg; 1111 { 1112 struct mcd_softc *sc = arg; 1113 struct mcd_mbx *mbx = &sc->mbx; 1114 struct buf *bp = mbx->bp; 1115 bus_space_tag_t iot = sc->sc_iot; 1116 bus_space_handle_t ioh = sc->sc_ioh; 1117 1118 int i; 1119 u_char x; 1120 bcd_t msf[3]; 1121 1122 switch (mbx->state) { 1123 case MCD_S_IDLE: 1124 return 0; 1125 1126 case MCD_S_BEGIN: 1127 tryagain: 1128 if (mbx->mode == sc->lastmode) 1129 goto firstblock; 1130 1131 sc->lastmode = MCD_MD_UNKNOWN; 1132 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1133 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1134 1135 mbx->count = RDELAY_WAITMODE; 1136 mbx->state = MCD_S_WAITMODE; 1137 1138 case MCD_S_WAITMODE: 1139 untimeout(mcd_pseudointr, sc); 1140 for (i = 20; i; i--) { 1141 x = bus_space_read_1(iot, ioh, MCD_XFER); 1142 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1143 break; 1144 delay(50); 1145 } 1146 if (i == 0) 1147 goto hold; 1148 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1149 mcd_setflags(sc); 1150 if ((sc->flags & MCDF_LOADED) == 0) 1151 goto changed; 1152 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1153 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1154 1155 sc->lastmode = mbx->mode; 1156 1157 firstblock: 1158 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1159 bp, 0, 0); 1160 1161 /* Build parameter block. */ 1162 hsg2msf(mbx->blkno, msf); 1163 1164 /* Send the read command. */ 1165 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1166 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1167 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1168 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1169 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1170 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1171 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1172 1173 mbx->count = RDELAY_WAITREAD; 1174 mbx->state = MCD_S_WAITREAD; 1175 1176 case MCD_S_WAITREAD: 1177 untimeout(mcd_pseudointr, sc); 1178 nextblock: 1179 loop: 1180 for (i = 20; i; i--) { 1181 x = bus_space_read_1(iot, ioh, MCD_XFER); 1182 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1183 goto gotblock; 1184 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1185 break; 1186 delay(50); 1187 } 1188 if (i == 0) 1189 goto hold; 1190 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1191 mcd_setflags(sc); 1192 if ((sc->flags & MCDF_LOADED) == 0) 1193 goto changed; 1194 #if 0 1195 printf("%s: got status byte %02x during read\n", 1196 sc->sc_dev.dv_xname, (u_int)sc->status); 1197 #endif 1198 goto loop; 1199 1200 gotblock: 1201 MCD_TRACE("doread: got data delay=%d\n", 1202 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1203 1204 /* Data is ready. */ 1205 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1206 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1207 bp->b_data + mbx->skip, mbx->sz); 1208 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1209 mbx->blkno += 1; 1210 mbx->skip += mbx->sz; 1211 if (--mbx->nblk > 0) 1212 goto nextblock; 1213 1214 mbx->state = MCD_S_IDLE; 1215 1216 /* Return buffer. */ 1217 bp->b_resid = 0; 1218 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1219 biodone(bp); 1220 1221 mcdstart(sc); 1222 return 1; 1223 1224 hold: 1225 if (mbx->count-- < 0) { 1226 printf("%s: timeout in state %d", 1227 sc->sc_dev.dv_xname, mbx->state); 1228 goto readerr; 1229 } 1230 1231 #if 0 1232 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1233 mbx->state); 1234 #endif 1235 timeout(mcd_pseudointr, sc, hz / 100); 1236 return -1; 1237 } 1238 1239 readerr: 1240 if (mbx->retry-- > 0) { 1241 printf("; retrying\n"); 1242 goto tryagain; 1243 } else 1244 printf("; giving up\n"); 1245 1246 changed: 1247 /* Invalidate the buffer. */ 1248 bp->b_flags |= B_ERROR; 1249 bp->b_resid = bp->b_bcount - mbx->skip; 1250 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1251 biodone(bp); 1252 1253 mcdstart(sc); 1254 return -1; 1255 1256 #ifdef notyet 1257 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1258 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1259 delay(300000); 1260 (void) mcd_getstat(sc, 1); 1261 (void) mcd_getstat(sc, 1); 1262 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1263 sc->debug = 1; /* preventive set debug mode */ 1264 #endif 1265 } 1266 1267 void 1268 mcd_soft_reset(sc) 1269 struct mcd_softc *sc; 1270 { 1271 1272 sc->debug = 0; 1273 sc->flags = 0; 1274 sc->lastmode = MCD_MD_UNKNOWN; 1275 sc->lastupc = MCD_UPC_UNKNOWN; 1276 sc->audio_status = CD_AS_AUDIO_INVALID; 1277 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1278 } 1279 1280 int 1281 mcd_hard_reset(sc) 1282 struct mcd_softc *sc; 1283 { 1284 struct mcd_mbox mbx; 1285 1286 mcd_soft_reset(sc); 1287 1288 mbx.cmd.opcode = MCD_CMDRESET; 1289 mbx.cmd.length = 0; 1290 mbx.res.length = 0; 1291 return mcd_send(sc, &mbx, 0); 1292 } 1293 1294 int 1295 mcd_setmode(sc, mode) 1296 struct mcd_softc *sc; 1297 int mode; 1298 { 1299 struct mcd_mbox mbx; 1300 int error; 1301 1302 if (sc->lastmode == mode) 1303 return 0; 1304 if (sc->debug) 1305 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1306 sc->lastmode = MCD_MD_UNKNOWN; 1307 1308 mbx.cmd.opcode = MCD_CMDSETMODE; 1309 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1310 mbx.cmd.data.datamode.mode = mode; 1311 mbx.res.length = 0; 1312 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1313 return error; 1314 1315 sc->lastmode = mode; 1316 return 0; 1317 } 1318 1319 int 1320 mcd_setupc(sc, upc) 1321 struct mcd_softc *sc; 1322 int upc; 1323 { 1324 struct mcd_mbox mbx; 1325 int error; 1326 1327 if (sc->lastupc == upc) 1328 return 0; 1329 if (sc->debug) 1330 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1331 sc->lastupc = MCD_UPC_UNKNOWN; 1332 1333 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1334 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1335 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1336 mbx.cmd.data.config.data1 = upc; 1337 mbx.res.length = 0; 1338 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1339 return error; 1340 1341 sc->lastupc = upc; 1342 return 0; 1343 } 1344 1345 int 1346 mcd_toc_header(sc, th) 1347 struct mcd_softc *sc; 1348 struct ioc_toc_header *th; 1349 { 1350 1351 if (sc->debug) 1352 printf("%s: mcd_toc_header: reading toc header\n", 1353 sc->sc_dev.dv_xname); 1354 1355 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1356 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1357 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1358 1359 return 0; 1360 } 1361 1362 int 1363 mcd_read_toc(sc) 1364 struct mcd_softc *sc; 1365 { 1366 struct ioc_toc_header th; 1367 union mcd_qchninfo q; 1368 int error, trk, idx, retry; 1369 1370 if ((error = mcd_toc_header(sc, &th)) != 0) 1371 return error; 1372 1373 if ((error = mcd_stop(sc)) != 0) 1374 return error; 1375 1376 if (sc->debug) 1377 printf("%s: read_toc: reading qchannel info\n", 1378 sc->sc_dev.dv_xname); 1379 1380 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1381 sc->toc[trk].toc.idx_no = 0x00; 1382 trk = th.ending_track - th.starting_track + 1; 1383 for (retry = 300; retry && trk > 0; retry--) { 1384 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1385 break; 1386 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1387 continue; 1388 idx = bcd2bin(q.toc.idx_no); 1389 if (idx < MCD_MAXTOCS && 1390 sc->toc[idx].toc.idx_no == 0x00) { 1391 sc->toc[idx] = q; 1392 trk--; 1393 } 1394 } 1395 1396 /* Inform the drive that we're finished so it turns off the light. */ 1397 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1398 return error; 1399 1400 if (trk != 0) 1401 return EINVAL; 1402 1403 /* Add a fake last+1 for mcd_playtracks(). */ 1404 idx = th.ending_track + 1; 1405 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1406 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1407 sc->toc[idx].toc.trk_no = 0x00; 1408 sc->toc[idx].toc.idx_no = 0xaa; 1409 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1410 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1411 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1412 1413 return 0; 1414 } 1415 1416 int 1417 mcd_toc_entries(sc, te) 1418 struct mcd_softc *sc; 1419 struct ioc_read_toc_entry *te; 1420 { 1421 int len = te->data_len; 1422 struct ret_toc { 1423 struct ioc_toc_header header; 1424 struct cd_toc_entry entries[MCD_MAXTOCS]; 1425 } data; 1426 u_char trk; 1427 daddr_t lba; 1428 int error, n; 1429 1430 if (len > sizeof(data.entries) || 1431 len < sizeof(struct cd_toc_entry)) 1432 return EINVAL; 1433 if (te->address_format != CD_MSF_FORMAT && 1434 te->address_format != CD_LBA_FORMAT) 1435 return EINVAL; 1436 1437 /* Copy the TOC header. */ 1438 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1439 return error; 1440 1441 /* Verify starting track. */ 1442 trk = te->starting_track; 1443 if (trk == 0x00) 1444 trk = data.header.starting_track; 1445 else if (trk == 0xaa) 1446 trk = data.header.ending_track + 1; 1447 else if (trk < data.header.starting_track || 1448 trk > data.header.ending_track + 1) 1449 return EINVAL; 1450 1451 /* Copy the TOC data. */ 1452 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1453 if (sc->toc[trk].toc.idx_no == 0x00) 1454 continue; 1455 data.entries[n].control = sc->toc[trk].toc.control; 1456 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1457 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1458 switch (te->address_format) { 1459 case CD_MSF_FORMAT: 1460 data.entries[n].addr.addr[0] = 0; 1461 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1462 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1463 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1464 break; 1465 case CD_LBA_FORMAT: 1466 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1467 data.entries[n].addr.addr[0] = lba >> 24; 1468 data.entries[n].addr.addr[1] = lba >> 16; 1469 data.entries[n].addr.addr[2] = lba >> 8; 1470 data.entries[n].addr.addr[3] = lba; 1471 break; 1472 } 1473 n++; 1474 } 1475 1476 len = min(len, n * sizeof(struct cd_toc_entry)); 1477 1478 /* Copy the data back. */ 1479 return copyout(&data.entries[0], te->data, len); 1480 } 1481 1482 int 1483 mcd_stop(sc) 1484 struct mcd_softc *sc; 1485 { 1486 struct mcd_mbox mbx; 1487 int error; 1488 1489 if (sc->debug) 1490 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1491 1492 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1493 mbx.cmd.length = 0; 1494 mbx.res.length = 0; 1495 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1496 return error; 1497 1498 sc->audio_status = CD_AS_PLAY_COMPLETED; 1499 return 0; 1500 } 1501 1502 int 1503 mcd_getqchan(sc, q, qchn) 1504 struct mcd_softc *sc; 1505 union mcd_qchninfo *q; 1506 int qchn; 1507 { 1508 struct mcd_mbox mbx; 1509 int error; 1510 1511 if (qchn == CD_TRACK_INFO) { 1512 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1513 return error; 1514 } else { 1515 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1516 return error; 1517 } 1518 if (qchn == CD_MEDIA_CATALOG) { 1519 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1520 return error; 1521 } else { 1522 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1523 return error; 1524 } 1525 1526 mbx.cmd.opcode = MCD_CMDGETQCHN; 1527 mbx.cmd.length = 0; 1528 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1529 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1530 return error; 1531 1532 *q = mbx.res.data.qchninfo; 1533 return 0; 1534 } 1535 1536 int 1537 mcd_read_subchannel(sc, ch) 1538 struct mcd_softc *sc; 1539 struct ioc_read_subchannel *ch; 1540 { 1541 int len = ch->data_len; 1542 union mcd_qchninfo q; 1543 struct cd_sub_channel_info data; 1544 daddr_t lba; 1545 int error; 1546 1547 if (sc->debug) 1548 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1549 ch->address_format, ch->data_format); 1550 1551 if (len > sizeof(data) || 1552 len < sizeof(struct cd_sub_channel_header)) 1553 return EINVAL; 1554 if (ch->address_format != CD_MSF_FORMAT && 1555 ch->address_format != CD_LBA_FORMAT) 1556 return EINVAL; 1557 if (ch->data_format != CD_CURRENT_POSITION && 1558 ch->data_format != CD_MEDIA_CATALOG) 1559 return EINVAL; 1560 1561 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1562 return error; 1563 1564 data.header.audio_status = sc->audio_status; 1565 data.what.media_catalog.data_format = ch->data_format; 1566 1567 switch (ch->data_format) { 1568 case CD_MEDIA_CATALOG: 1569 data.what.media_catalog.mc_valid = 1; 1570 #if 0 1571 data.what.media_catalog.mc_number = 1572 #endif 1573 break; 1574 1575 case CD_CURRENT_POSITION: 1576 data.what.position.track_number = bcd2bin(q.current.trk_no); 1577 data.what.position.index_number = bcd2bin(q.current.idx_no); 1578 switch (ch->address_format) { 1579 case CD_MSF_FORMAT: 1580 data.what.position.reladdr.addr[0] = 0; 1581 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1582 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1583 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1584 data.what.position.absaddr.addr[0] = 0; 1585 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1586 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1587 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1588 break; 1589 case CD_LBA_FORMAT: 1590 lba = msf2hsg(q.current.relative_pos, 1); 1591 /* 1592 * Pre-gap has index number of 0, and decreasing MSF 1593 * address. Must be converted to negative LBA, per 1594 * SCSI spec. 1595 */ 1596 if (data.what.position.index_number == 0x00) 1597 lba = -lba; 1598 data.what.position.reladdr.addr[0] = lba >> 24; 1599 data.what.position.reladdr.addr[1] = lba >> 16; 1600 data.what.position.reladdr.addr[2] = lba >> 8; 1601 data.what.position.reladdr.addr[3] = lba; 1602 lba = msf2hsg(q.current.absolute_pos, 0); 1603 data.what.position.absaddr.addr[0] = lba >> 24; 1604 data.what.position.absaddr.addr[1] = lba >> 16; 1605 data.what.position.absaddr.addr[2] = lba >> 8; 1606 data.what.position.absaddr.addr[3] = lba; 1607 break; 1608 } 1609 break; 1610 } 1611 1612 return copyout(&data, ch->data, len); 1613 } 1614 1615 int 1616 mcd_playtracks(sc, p) 1617 struct mcd_softc *sc; 1618 struct ioc_play_track *p; 1619 { 1620 struct mcd_mbox mbx; 1621 int a = p->start_track; 1622 int z = p->end_track; 1623 int error; 1624 1625 if (sc->debug) 1626 printf("%s: playtracks: from %d:%d to %d:%d\n", 1627 sc->sc_dev.dv_xname, 1628 a, p->start_index, z, p->end_index); 1629 1630 if (a < bcd2bin(sc->volinfo.trk_low) || 1631 a > bcd2bin(sc->volinfo.trk_high) || 1632 a > z || 1633 z < bcd2bin(sc->volinfo.trk_low) || 1634 z > bcd2bin(sc->volinfo.trk_high)) 1635 return EINVAL; 1636 1637 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1638 return error; 1639 1640 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1641 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1642 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1643 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1644 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1645 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1646 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1647 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1648 sc->lastpb = mbx.cmd; 1649 mbx.res.length = 0; 1650 return mcd_send(sc, &mbx, 1); 1651 } 1652 1653 int 1654 mcd_playmsf(sc, p) 1655 struct mcd_softc *sc; 1656 struct ioc_play_msf *p; 1657 { 1658 struct mcd_mbox mbx; 1659 int error; 1660 1661 if (sc->debug) 1662 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1663 sc->sc_dev.dv_xname, 1664 p->start_m, p->start_s, p->start_f, 1665 p->end_m, p->end_s, p->end_f); 1666 1667 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1668 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1669 return EINVAL; 1670 1671 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1672 return error; 1673 1674 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1675 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1676 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1677 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1678 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1679 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1680 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1681 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1682 sc->lastpb = mbx.cmd; 1683 mbx.res.length = 0; 1684 return mcd_send(sc, &mbx, 1); 1685 } 1686 1687 int 1688 mcd_playblocks(sc, p) 1689 struct mcd_softc *sc; 1690 struct ioc_play_blocks *p; 1691 { 1692 struct mcd_mbox mbx; 1693 int error; 1694 1695 if (sc->debug) 1696 printf("%s: playblocks: blkno %d length %d\n", 1697 sc->sc_dev.dv_xname, p->blk, p->len); 1698 1699 if (p->blk > sc->disksize || p->len > sc->disksize || 1700 (p->blk + p->len) > sc->disksize) 1701 return 0; 1702 1703 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1704 return error; 1705 1706 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1707 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1708 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1709 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1710 sc->lastpb = mbx.cmd; 1711 mbx.res.length = 0; 1712 return mcd_send(sc, &mbx, 1); 1713 } 1714 1715 int 1716 mcd_pause(sc) 1717 struct mcd_softc *sc; 1718 { 1719 union mcd_qchninfo q; 1720 int error; 1721 1722 /* Verify current status. */ 1723 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1724 printf("%s: pause: attempted when not playing\n", 1725 sc->sc_dev.dv_xname); 1726 return EINVAL; 1727 } 1728 1729 /* Get the current position. */ 1730 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1731 return error; 1732 1733 /* Copy it into lastpb. */ 1734 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1735 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1736 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1737 1738 /* Stop playing. */ 1739 if ((error = mcd_stop(sc)) != 0) 1740 return error; 1741 1742 /* Set the proper status and exit. */ 1743 sc->audio_status = CD_AS_PLAY_PAUSED; 1744 return 0; 1745 } 1746 1747 int 1748 mcd_resume(sc) 1749 struct mcd_softc *sc; 1750 { 1751 struct mcd_mbox mbx; 1752 int error; 1753 1754 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1755 return EINVAL; 1756 1757 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1758 return error; 1759 1760 mbx.cmd = sc->lastpb; 1761 mbx.res.length = 0; 1762 return mcd_send(sc, &mbx, 1); 1763 } 1764 1765 int 1766 mcd_eject(sc) 1767 struct mcd_softc *sc; 1768 { 1769 struct mcd_mbox mbx; 1770 1771 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1772 mbx.cmd.length = 0; 1773 mbx.res.length = 0; 1774 return mcd_send(sc, &mbx, 0); 1775 } 1776 1777 int 1778 mcd_setlock(sc, mode) 1779 struct mcd_softc *sc; 1780 int mode; 1781 { 1782 struct mcd_mbox mbx; 1783 1784 mbx.cmd.opcode = MCD_CMDSETLOCK; 1785 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1786 mbx.cmd.data.lockmode.mode = mode; 1787 mbx.res.length = 0; 1788 return mcd_send(sc, &mbx, 1); 1789 } 1790
Indexes created Tue Sep 30 11:09:46 GMT 2025