1 /* $NetBSD: mcd.c,v 1.79 2002/10/02 03:10:49 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/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: mcd.c,v 1.79 2002/10/02 03:10:49 thorpej Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/callout.h> 64 #include <sys/kernel.h> 65 #include <sys/proc.h> 66 #include <sys/conf.h> 67 #include <sys/file.h> 68 #include <sys/buf.h> 69 #include <sys/stat.h> 70 #include <sys/uio.h> 71 #include <sys/ioctl.h> 72 #include <sys/cdio.h> 73 #include <sys/errno.h> 74 #include <sys/disklabel.h> 75 #include <sys/device.h> 76 #include <sys/disk.h> 77 78 #include <machine/cpu.h> 79 #include <machine/intr.h> 80 #include <machine/bus.h> 81 82 #include <dev/isa/isavar.h> 83 #include <dev/isa/mcdreg.h> 84 85 #ifndef MCDDEBUG 86 #define MCD_TRACE(fmt,a,b,c,d) 87 #else 88 #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);}} 89 #endif 90 91 #define MCDPART(dev) DISKPART(dev) 92 #define MCDUNIT(dev) DISKUNIT(dev) 93 94 /* toc */ 95 #define MCD_MAXTOCS 104 /* from the Linux driver */ 96 97 /* control promiscuous match */ 98 #include "opt_mcd_promisc.h" 99 100 #ifdef MCD_PROMISC 101 int mcd_promisc = 1; 102 #else 103 int mcd_promisc = 0; 104 #endif 105 106 struct mcd_mbx { 107 int retry, count; 108 struct buf *bp; 109 daddr_t blkno; 110 int nblk; 111 int sz; 112 u_long skip; 113 int state; 114 #define MCD_S_IDLE 0 115 #define MCD_S_BEGIN 1 116 #define MCD_S_WAITMODE 2 117 #define MCD_S_WAITREAD 3 118 int mode; 119 }; 120 121 struct mcd_softc { 122 struct device sc_dev; 123 struct disk sc_dk; 124 void *sc_ih; 125 126 struct callout sc_pintr_ch; 127 128 bus_space_tag_t sc_iot; 129 bus_space_handle_t sc_ioh; 130 131 int irq, drq; 132 133 char *type; 134 int flags; 135 #define MCDF_LOCKED 0x01 136 #define MCDF_WANTED 0x02 137 #define MCDF_WLABEL 0x04 /* label is writable */ 138 #define MCDF_LABELLING 0x08 /* writing label */ 139 #define MCDF_LOADED 0x10 /* parameters loaded */ 140 short status; 141 short audio_status; 142 int blksize; 143 u_long disksize; 144 struct mcd_volinfo volinfo; 145 union mcd_qchninfo toc[MCD_MAXTOCS]; 146 struct mcd_command lastpb; 147 struct mcd_mbx mbx; 148 int lastmode; 149 #define MCD_MD_UNKNOWN -1 150 int lastupc; 151 #define MCD_UPC_UNKNOWN -1 152 struct bufq_state buf_queue; 153 int active; 154 u_char readcmd; 155 u_char debug; 156 u_char probe; 157 }; 158 159 static int bcd2bin __P((bcd_t)); 160 static bcd_t bin2bcd __P((int)); 161 static void hsg2msf __P((int, bcd_t *)); 162 static daddr_t msf2hsg __P((bcd_t *, int)); 163 164 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 165 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 166 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 167 int mcd_stop __P((struct mcd_softc *)); 168 int mcd_eject __P((struct mcd_softc *)); 169 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 170 int mcd_pause __P((struct mcd_softc *)); 171 int mcd_resume __P((struct mcd_softc *)); 172 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 173 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 174 175 int mcd_getreply __P((struct mcd_softc *)); 176 int mcd_getstat __P((struct mcd_softc *)); 177 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 178 void mcd_setflags __P((struct mcd_softc *)); 179 int mcd_get __P((struct mcd_softc *, char *, int)); 180 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 181 int mcdintr __P((void *)); 182 void mcd_soft_reset __P((struct mcd_softc *)); 183 int mcd_hard_reset __P((struct mcd_softc *)); 184 int mcd_setmode __P((struct mcd_softc *, int)); 185 int mcd_setupc __P((struct mcd_softc *, int)); 186 int mcd_read_toc __P((struct mcd_softc *)); 187 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 188 int mcd_setlock __P((struct mcd_softc *, int)); 189 190 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 191 int mcdprobe __P((struct device *, struct cfdata *, void *)); 192 void mcdattach __P((struct device *, struct device *, void *)); 193 194 CFATTACH_DECL(mcd, sizeof(struct mcd_softc), 195 mcdprobe, mcdattach, NULL, NULL); 196 197 extern struct cfdriver mcd_cd; 198 199 dev_type_open(mcdopen); 200 dev_type_close(mcdclose); 201 dev_type_read(mcdread); 202 dev_type_write(mcdwrite); 203 dev_type_ioctl(mcdioctl); 204 dev_type_strategy(mcdstrategy); 205 dev_type_dump(mcddump); 206 dev_type_size(mcdsize); 207 208 const struct bdevsw mcd_bdevsw = { 209 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK 210 }; 211 212 const struct cdevsw mcd_cdevsw = { 213 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl, 214 nostop, notty, nopoll, nommap, D_DISK 215 }; 216 217 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 218 void mcdgetdisklabel __P((struct mcd_softc *)); 219 int mcd_get_parms __P((struct mcd_softc *)); 220 void mcdstart __P((struct mcd_softc *)); 221 int mcdlock __P((struct mcd_softc *)); 222 void mcdunlock __P((struct mcd_softc *)); 223 void mcd_pseudointr __P((void *)); 224 225 struct dkdriver mcddkdriver = { mcdstrategy }; 226 227 #define MCD_RETRIES 3 228 #define MCD_RDRETRIES 3 229 230 /* several delays */ 231 #define RDELAY_WAITMODE 300 232 #define RDELAY_WAITREAD 800 233 234 #define DELAY_GRANULARITY 25 /* 25us */ 235 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 236 237 void 238 mcdattach(parent, self, aux) 239 struct device *parent, *self; 240 void *aux; 241 { 242 struct mcd_softc *sc = (void *)self; 243 struct isa_attach_args *ia = aux; 244 bus_space_tag_t iot = ia->ia_iot; 245 bus_space_handle_t ioh; 246 struct mcd_mbox mbx; 247 248 /* Map i/o space */ 249 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 250 printf(": can't map i/o space\n"); 251 return; 252 } 253 254 sc->sc_iot = iot; 255 sc->sc_ioh = ioh; 256 257 sc->probe = 0; 258 sc->debug = 0; 259 260 if (!mcd_find(iot, ioh, sc)) { 261 printf(": mcd_find failed\n"); 262 return; 263 } 264 265 bufq_alloc(&sc->buf_queue, BUFQ_DISKSORT|BUFQ_SORT_RAWBLOCK); 266 callout_init(&sc->sc_pintr_ch); 267 268 /* 269 * Initialize and attach the disk structure. 270 */ 271 sc->sc_dk.dk_driver = &mcddkdriver; 272 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 273 disk_attach(&sc->sc_dk); 274 275 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 276 277 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 278 279 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 280 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 281 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 282 mbx.cmd.data.config.data1 = 0x01; 283 mbx.res.length = 0; 284 (void) mcd_send(sc, &mbx, 0); 285 286 mcd_soft_reset(sc); 287 288 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 289 IST_EDGE, IPL_BIO, mcdintr, sc); 290 } 291 292 /* 293 * Wait interruptibly for an exclusive lock. 294 * 295 * XXX 296 * Several drivers do this; it should be abstracted and made MP-safe. 297 */ 298 int 299 mcdlock(sc) 300 struct mcd_softc *sc; 301 { 302 int error; 303 304 while ((sc->flags & MCDF_LOCKED) != 0) { 305 sc->flags |= MCDF_WANTED; 306 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 307 return error; 308 } 309 sc->flags |= MCDF_LOCKED; 310 return 0; 311 } 312 313 /* 314 * Unlock and wake up any waiters. 315 */ 316 void 317 mcdunlock(sc) 318 struct mcd_softc *sc; 319 { 320 321 sc->flags &= ~MCDF_LOCKED; 322 if ((sc->flags & MCDF_WANTED) != 0) { 323 sc->flags &= ~MCDF_WANTED; 324 wakeup(sc); 325 } 326 } 327 328 int 329 mcdopen(dev, flag, fmt, p) 330 dev_t dev; 331 int flag, fmt; 332 struct proc *p; 333 { 334 int error, part; 335 struct mcd_softc *sc; 336 337 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 338 if (sc == NULL) 339 return ENXIO; 340 341 if ((error = mcdlock(sc)) != 0) 342 return error; 343 344 if (sc->sc_dk.dk_openmask != 0) { 345 /* 346 * If any partition is open, but the disk has been invalidated, 347 * disallow further opens. 348 */ 349 if ((sc->flags & MCDF_LOADED) == 0) { 350 error = EIO; 351 goto bad3; 352 } 353 } else { 354 /* 355 * Lock the drawer. This will also notice any pending disk 356 * change or door open indicator and clear the MCDF_LOADED bit 357 * if necessary. 358 */ 359 (void) mcd_setlock(sc, MCD_LK_LOCK); 360 361 if ((sc->flags & MCDF_LOADED) == 0) { 362 /* Partially reset the state. */ 363 sc->lastmode = MCD_MD_UNKNOWN; 364 sc->lastupc = MCD_UPC_UNKNOWN; 365 366 sc->flags |= MCDF_LOADED; 367 368 /* Set the mode, causing the disk to spin up. */ 369 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 370 goto bad2; 371 372 /* Load the physical device parameters. */ 373 if (mcd_get_parms(sc) != 0) { 374 error = ENXIO; 375 goto bad2; 376 } 377 378 /* Read the table of contents. */ 379 if ((error = mcd_read_toc(sc)) != 0) 380 goto bad2; 381 382 /* Fabricate a disk label. */ 383 mcdgetdisklabel(sc); 384 } 385 } 386 387 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 388 sc->disksize, sc->blksize, 0); 389 390 part = MCDPART(dev); 391 392 /* Check that the partition exists. */ 393 if (part != RAW_PART && 394 (part >= sc->sc_dk.dk_label->d_npartitions || 395 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 396 error = ENXIO; 397 goto bad; 398 } 399 400 /* Insure only one open at a time. */ 401 switch (fmt) { 402 case S_IFCHR: 403 sc->sc_dk.dk_copenmask |= (1 << part); 404 break; 405 case S_IFBLK: 406 sc->sc_dk.dk_bopenmask |= (1 << part); 407 break; 408 } 409 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 410 411 mcdunlock(sc); 412 return 0; 413 414 bad2: 415 sc->flags &= ~MCDF_LOADED; 416 417 bad: 418 if (sc->sc_dk.dk_openmask == 0) { 419 #if 0 420 (void) mcd_setmode(sc, MCD_MD_SLEEP); 421 #endif 422 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 423 } 424 425 bad3: 426 mcdunlock(sc); 427 return error; 428 } 429 430 int 431 mcdclose(dev, flag, fmt, p) 432 dev_t dev; 433 int flag, fmt; 434 struct proc *p; 435 { 436 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 437 int part = MCDPART(dev); 438 int error; 439 440 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 441 442 if ((error = mcdlock(sc)) != 0) 443 return error; 444 445 switch (fmt) { 446 case S_IFCHR: 447 sc->sc_dk.dk_copenmask &= ~(1 << part); 448 break; 449 case S_IFBLK: 450 sc->sc_dk.dk_bopenmask &= ~(1 << part); 451 break; 452 } 453 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 454 455 if (sc->sc_dk.dk_openmask == 0) { 456 /* XXXX Must wait for I/O to complete! */ 457 458 #if 0 459 (void) mcd_setmode(sc, MCD_MD_SLEEP); 460 #endif 461 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 462 } 463 464 mcdunlock(sc); 465 return 0; 466 } 467 468 void 469 mcdstrategy(bp) 470 struct buf *bp; 471 { 472 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 473 struct disklabel *lp = sc->sc_dk.dk_label; 474 daddr_t blkno; 475 int s; 476 477 /* Test validity. */ 478 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 479 bp->b_blkno, bp->b_bcount, 0); 480 if (bp->b_blkno < 0 || 481 (bp->b_bcount % sc->blksize) != 0) { 482 printf("%s: strategy: blkno = %d bcount = %ld\n", 483 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 484 bp->b_error = EINVAL; 485 goto bad; 486 } 487 488 /* If device invalidated (e.g. media change, door open), error. */ 489 if ((sc->flags & MCDF_LOADED) == 0) { 490 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 491 bp->b_error = EIO; 492 goto bad; 493 } 494 495 /* No data to read. */ 496 if (bp->b_bcount == 0) 497 goto done; 498 499 /* 500 * Do bounds checking, adjust transfer. if error, process. 501 * If end of partition, just return. 502 */ 503 if (MCDPART(bp->b_dev) != RAW_PART && 504 bounds_check_with_label(bp, lp, 505 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 506 goto done; 507 508 /* 509 * Now convert the block number to absolute and put it in 510 * terms of the device's logical block size. 511 */ 512 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 513 if (MCDPART(bp->b_dev) != RAW_PART) 514 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 515 516 bp->b_rawblkno = blkno; 517 518 /* Queue it. */ 519 s = splbio(); 520 BUFQ_PUT(&sc->buf_queue, bp); 521 splx(s); 522 if (!sc->active) 523 mcdstart(sc); 524 return; 525 526 bad: 527 bp->b_flags |= B_ERROR; 528 done: 529 bp->b_resid = bp->b_bcount; 530 biodone(bp); 531 } 532 533 void 534 mcdstart(sc) 535 struct mcd_softc *sc; 536 { 537 struct buf *bp; 538 int s; 539 540 loop: 541 s = splbio(); 542 543 if ((bp = BUFQ_GET(&sc->buf_queue)) == NULL) { 544 /* Nothing to do. */ 545 sc->active = 0; 546 splx(s); 547 return; 548 } 549 550 /* Block found to process. */ 551 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 552 splx(s); 553 554 /* Changed media? */ 555 if ((sc->flags & MCDF_LOADED) == 0) { 556 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 557 bp->b_error = EIO; 558 bp->b_flags |= B_ERROR; 559 biodone(bp); 560 goto loop; 561 } 562 563 sc->active = 1; 564 565 /* Instrumentation. */ 566 s = splbio(); 567 disk_busy(&sc->sc_dk); 568 splx(s); 569 570 sc->mbx.retry = MCD_RDRETRIES; 571 sc->mbx.bp = bp; 572 sc->mbx.blkno = bp->b_rawblkno; 573 sc->mbx.nblk = bp->b_bcount / sc->blksize; 574 sc->mbx.sz = sc->blksize; 575 sc->mbx.skip = 0; 576 sc->mbx.state = MCD_S_BEGIN; 577 sc->mbx.mode = MCD_MD_COOKED; 578 579 s = splbio(); 580 (void) mcdintr(sc); 581 splx(s); 582 } 583 584 int 585 mcdread(dev, uio, flags) 586 dev_t dev; 587 struct uio *uio; 588 int flags; 589 { 590 591 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 592 } 593 594 int 595 mcdwrite(dev, uio, flags) 596 dev_t dev; 597 struct uio *uio; 598 int flags; 599 { 600 601 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 602 } 603 604 int 605 mcdioctl(dev, cmd, addr, flag, p) 606 dev_t dev; 607 u_long cmd; 608 caddr_t addr; 609 int flag; 610 struct proc *p; 611 { 612 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 613 int error; 614 int part; 615 #ifdef __HAVE_OLD_DISKLABEL 616 struct disklabel newlabel; 617 #endif 618 619 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 620 621 if ((sc->flags & MCDF_LOADED) == 0) 622 return EIO; 623 624 part = MCDPART(dev); 625 switch (cmd) { 626 case DIOCGDINFO: 627 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 628 return 0; 629 #ifdef __HAVE_OLD_DISKLABEL 630 case ODIOCGDINFO: 631 newlabel = *(sc->sc_dk.dk_label); 632 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 633 return ENOTTY; 634 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 635 return 0; 636 #endif 637 638 case DIOCGPART: 639 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 640 ((struct partinfo *)addr)->part = 641 &sc->sc_dk.dk_label->d_partitions[part]; 642 return 0; 643 644 case DIOCWDINFO: 645 case DIOCSDINFO: 646 #ifdef __HAVE_OLD_DISKLABEL 647 case ODIOCWDINFO: 648 case ODIOCSDINFO: 649 #endif 650 { 651 struct disklabel *lp; 652 653 if ((flag & FWRITE) == 0) 654 return EBADF; 655 656 #ifdef __HAVE_OLD_DISKLABEL 657 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 658 memset(&newlabel, 0, sizeof newlabel); 659 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 660 lp = &newlabel; 661 } else 662 #endif 663 lp = (struct disklabel *)addr; 664 665 if ((error = mcdlock(sc)) != 0) 666 return error; 667 sc->flags |= MCDF_LABELLING; 668 669 error = setdisklabel(sc->sc_dk.dk_label, 670 lp, /*sc->sc_dk.dk_openmask : */0, 671 sc->sc_dk.dk_cpulabel); 672 if (error == 0) { 673 } 674 675 sc->flags &= ~MCDF_LABELLING; 676 mcdunlock(sc); 677 return error; 678 } 679 680 case DIOCWLABEL: 681 return EBADF; 682 683 case DIOCGDEFLABEL: 684 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 685 return 0; 686 687 #ifdef __HAVE_OLD_DISKLABEL 688 case ODIOCGDEFLABEL: 689 mcdgetdefaultlabel(sc, &newlabel); 690 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 691 return ENOTTY; 692 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 693 return 0; 694 #endif 695 696 case CDIOCPLAYTRACKS: 697 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 698 case CDIOCPLAYMSF: 699 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 700 case CDIOCPLAYBLOCKS: 701 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 702 case CDIOCREADSUBCHANNEL: 703 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 704 case CDIOREADTOCHEADER: 705 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 706 case CDIOREADTOCENTRYS: 707 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 708 case CDIOCSETPATCH: 709 case CDIOCGETVOL: 710 case CDIOCSETVOL: 711 case CDIOCSETMONO: 712 case CDIOCSETSTEREO: 713 case CDIOCSETMUTE: 714 case CDIOCSETLEFT: 715 case CDIOCSETRIGHT: 716 return EINVAL; 717 case CDIOCRESUME: 718 return mcd_resume(sc); 719 case CDIOCPAUSE: 720 return mcd_pause(sc); 721 case CDIOCSTART: 722 return EINVAL; 723 case CDIOCSTOP: 724 return mcd_stop(sc); 725 case DIOCEJECT: 726 if (*(int *)addr == 0) { 727 /* 728 * Don't force eject: check that we are the only 729 * partition open. If so, unlock it. 730 */ 731 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 732 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 733 sc->sc_dk.dk_openmask) { 734 error = mcd_setlock(sc, MCD_LK_UNLOCK); 735 if (error) 736 return (error); 737 } else { 738 return (EBUSY); 739 } 740 } 741 /* FALLTHROUGH */ 742 case CDIOCEJECT: /* FALLTHROUGH */ 743 case ODIOCEJECT: 744 return mcd_eject(sc); 745 case CDIOCALLOW: 746 return mcd_setlock(sc, MCD_LK_UNLOCK); 747 case CDIOCPREVENT: 748 return mcd_setlock(sc, MCD_LK_LOCK); 749 case DIOCLOCK: 750 return mcd_setlock(sc, 751 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 752 case CDIOCSETDEBUG: 753 sc->debug = 1; 754 return 0; 755 case CDIOCCLRDEBUG: 756 sc->debug = 0; 757 return 0; 758 case CDIOCRESET: 759 return mcd_hard_reset(sc); 760 761 default: 762 return ENOTTY; 763 } 764 765 #ifdef DIAGNOSTIC 766 panic("mcdioctl: impossible"); 767 #endif 768 } 769 770 void 771 mcdgetdefaultlabel(sc, lp) 772 struct mcd_softc *sc; 773 struct disklabel *lp; 774 { 775 776 memset(lp, 0, sizeof(struct disklabel)); 777 778 lp->d_secsize = sc->blksize; 779 lp->d_ntracks = 1; 780 lp->d_nsectors = 100; 781 lp->d_ncylinders = (sc->disksize / 100) + 1; 782 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 783 784 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 785 lp->d_type = 0; /* XXX */ 786 strncpy(lp->d_packname, "fictitious", 16); 787 lp->d_secperunit = sc->disksize; 788 lp->d_rpm = 300; 789 lp->d_interleave = 1; 790 lp->d_flags = D_REMOVABLE; 791 792 lp->d_partitions[0].p_offset = 0; 793 lp->d_partitions[0].p_size = 794 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 795 lp->d_partitions[0].p_fstype = FS_ISO9660; 796 lp->d_partitions[RAW_PART].p_offset = 0; 797 lp->d_partitions[RAW_PART].p_size = 798 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 799 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 800 lp->d_npartitions = RAW_PART + 1; 801 802 lp->d_magic = DISKMAGIC; 803 lp->d_magic2 = DISKMAGIC; 804 lp->d_checksum = dkcksum(lp); 805 } 806 807 /* 808 * This could have been taken from scsi/cd.c, but it is not clear 809 * whether the scsi cd driver is linked in. 810 */ 811 void 812 mcdgetdisklabel(sc) 813 struct mcd_softc *sc; 814 { 815 struct disklabel *lp = sc->sc_dk.dk_label; 816 817 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 818 819 mcdgetdefaultlabel(sc, lp); 820 } 821 822 int 823 mcd_get_parms(sc) 824 struct mcd_softc *sc; 825 { 826 struct mcd_mbox mbx; 827 daddr_t size; 828 int error; 829 830 /* Send volume info command. */ 831 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 832 mbx.cmd.length = 0; 833 mbx.res.length = sizeof(mbx.res.data.volinfo); 834 if ((error = mcd_send(sc, &mbx, 1)) != 0) 835 return error; 836 837 if (mbx.res.data.volinfo.trk_low == 0x00 && 838 mbx.res.data.volinfo.trk_high == 0x00) 839 return EINVAL; 840 841 /* Volinfo is OK. */ 842 sc->volinfo = mbx.res.data.volinfo; 843 sc->blksize = MCD_BLKSIZE_COOKED; 844 size = msf2hsg(sc->volinfo.vol_msf, 0); 845 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 846 return 0; 847 } 848 849 int 850 mcdsize(dev) 851 dev_t dev; 852 { 853 854 /* CD-ROMs are read-only. */ 855 return -1; 856 } 857 858 int 859 mcddump(dev, blkno, va, size) 860 dev_t dev; 861 daddr_t blkno; 862 caddr_t va; 863 size_t size; 864 { 865 866 /* Not implemented. */ 867 return ENXIO; 868 } 869 870 /* 871 * Find the board and fill in the softc. 872 */ 873 int 874 mcd_find(iot, ioh, sc) 875 bus_space_tag_t iot; 876 bus_space_handle_t ioh; 877 struct mcd_softc *sc; 878 { 879 int i; 880 struct mcd_mbox mbx; 881 882 sc->sc_iot = iot; 883 sc->sc_ioh = ioh; 884 885 /* Send a reset. */ 886 bus_space_write_1(iot, ioh, MCD_RESET, 0); 887 delay(1000000); 888 /* Get any pending status and throw away. */ 889 for (i = 10; i; i--) 890 bus_space_read_1(iot, ioh, MCD_STATUS); 891 delay(1000); 892 893 /* Send get status command. */ 894 mbx.cmd.opcode = MCD_CMDGETSTAT; 895 mbx.cmd.length = 0; 896 mbx.res.length = 0; 897 if (mcd_send(sc, &mbx, 0) != 0) 898 return 0; 899 900 /* Get info about the drive. */ 901 mbx.cmd.opcode = MCD_CMDCONTINFO; 902 mbx.cmd.length = 0; 903 mbx.res.length = sizeof(mbx.res.data.continfo); 904 if (mcd_send(sc, &mbx, 0) != 0) 905 return 0; 906 907 /* 908 * The following is code which is not guaranteed to work for all 909 * drives, because the meaning of the expected 'M' is not clear 910 * (M_itsumi is an obvious assumption, but I don't trust that). 911 * Also, the original hack had a bogus condition that always 912 * returned true. 913 * 914 * Note: Which models support interrupts? >=LU005S? 915 */ 916 sc->readcmd = MCD_CMDREADSINGLESPEED; 917 switch (mbx.res.data.continfo.code) { 918 case 'M': 919 if (mbx.res.data.continfo.version <= 2) 920 sc->type = "LU002S"; 921 else if (mbx.res.data.continfo.version <= 5) 922 sc->type = "LU005S"; 923 else 924 sc->type = "LU006S"; 925 break; 926 case 'F': 927 sc->type = "FX001"; 928 break; 929 case 'D': 930 sc->type = "FX001D"; 931 sc->readcmd = MCD_CMDREADDOUBLESPEED; 932 break; 933 default: 934 /* 935 * mcd_send() says the response looked OK but the 936 * drive type is unknown. If mcd_promisc, match anyway. 937 */ 938 if (mcd_promisc != 0) 939 return 0; 940 941 #ifdef MCDDEBUG 942 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 943 sc->sc_dev.dv_xname, 944 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 945 #endif 946 sc->type = 0; 947 break; 948 } 949 950 return 1; 951 952 } 953 954 int 955 mcdprobe(parent, match, aux) 956 struct device *parent; 957 struct cfdata *match; 958 void *aux; 959 { 960 struct isa_attach_args *ia = aux; 961 struct mcd_softc sc; 962 bus_space_tag_t iot = ia->ia_iot; 963 bus_space_handle_t ioh; 964 int rv; 965 966 if (ia->ia_nio < 1) 967 return (0); 968 if (ia->ia_nirq < 1) 969 return (0); 970 971 if (ISA_DIRECT_CONFIG(ia)) 972 return (0); 973 974 /* Disallow wildcarded i/o address. */ 975 if (ia->ia_io[0].ir_addr == ISACF_PORT_DEFAULT) 976 return (0); 977 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT) 978 return (0); 979 980 /* Map i/o space */ 981 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 982 return 0; 983 984 sc.debug = 0; 985 sc.probe = 1; 986 987 rv = mcd_find(iot, ioh, &sc); 988 989 bus_space_unmap(iot, ioh, MCD_NPORT); 990 991 if (rv) { 992 ia->ia_nio = 1; 993 ia->ia_io[0].ir_addr = MCD_NPORT; 994 995 ia->ia_nirq = 1; 996 997 ia->ia_niomem = 0; 998 ia->ia_ndrq = 0; 999 } 1000 1001 return (rv); 1002 } 1003 1004 int 1005 mcd_getreply(sc) 1006 struct mcd_softc *sc; 1007 { 1008 bus_space_tag_t iot = sc->sc_iot; 1009 bus_space_handle_t ioh = sc->sc_ioh; 1010 int i; 1011 1012 /* Wait until xfer port senses data ready. */ 1013 for (i = DELAY_GETREPLY; i; i--) { 1014 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 1015 MCD_XF_STATUSUNAVAIL) == 0) 1016 break; 1017 delay(DELAY_GRANULARITY); 1018 } 1019 if (!i) 1020 return -1; 1021 1022 /* Get the data. */ 1023 return bus_space_read_1(iot, ioh, MCD_STATUS); 1024 } 1025 1026 int 1027 mcd_getstat(sc) 1028 struct mcd_softc *sc; 1029 { 1030 struct mcd_mbox mbx; 1031 1032 mbx.cmd.opcode = MCD_CMDGETSTAT; 1033 mbx.cmd.length = 0; 1034 mbx.res.length = 0; 1035 return mcd_send(sc, &mbx, 1); 1036 } 1037 1038 int 1039 mcd_getresult(sc, res) 1040 struct mcd_softc *sc; 1041 struct mcd_result *res; 1042 { 1043 int i, x; 1044 1045 if (sc->debug) 1046 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1047 res->length); 1048 1049 if ((x = mcd_getreply(sc)) < 0) { 1050 if (sc->debug) 1051 printf(" timeout\n"); 1052 else if (!sc->probe) 1053 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1054 return EIO; 1055 } 1056 if (sc->debug) 1057 printf(" %02x", (u_int)x); 1058 sc->status = x; 1059 mcd_setflags(sc); 1060 1061 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1062 return EINVAL; 1063 1064 for (i = 0; i < res->length; i++) { 1065 if ((x = mcd_getreply(sc)) < 0) { 1066 if (sc->debug) 1067 printf(" timeout\n"); 1068 else 1069 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1070 return EIO; 1071 } 1072 if (sc->debug) 1073 printf(" %02x", (u_int)x); 1074 res->data.raw.data[i] = x; 1075 } 1076 1077 if (sc->debug) 1078 printf(" succeeded\n"); 1079 1080 #ifdef MCDDEBUG 1081 delay(10); 1082 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1083 MCD_XF_STATUSUNAVAIL) == 0) { 1084 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1085 printf("%s: got extra byte %02x during getstatus\n", 1086 sc->sc_dev.dv_xname, (u_int)x); 1087 delay(10); 1088 } 1089 #endif 1090 1091 return 0; 1092 } 1093 1094 void 1095 mcd_setflags(sc) 1096 struct mcd_softc *sc; 1097 { 1098 1099 /* Check flags. */ 1100 if ((sc->flags & MCDF_LOADED) != 0 && 1101 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1102 MCD_ST_DSKIN) { 1103 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1104 printf("%s: door open\n", sc->sc_dev.dv_xname); 1105 else if ((sc->status & MCD_ST_DSKIN) == 0) 1106 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1107 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1108 printf("%s: media change\n", sc->sc_dev.dv_xname); 1109 sc->flags &= ~MCDF_LOADED; 1110 } 1111 1112 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1113 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1114 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1115 sc->audio_status == CD_AS_AUDIO_INVALID) 1116 sc->audio_status = CD_AS_PLAY_COMPLETED; 1117 } 1118 1119 int 1120 mcd_send(sc, mbx, diskin) 1121 struct mcd_softc *sc; 1122 struct mcd_mbox *mbx; 1123 int diskin; 1124 { 1125 int retry, i, error; 1126 bus_space_tag_t iot = sc->sc_iot; 1127 bus_space_handle_t ioh = sc->sc_ioh; 1128 1129 if (sc->debug) { 1130 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1131 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1132 for (i = 0; i < mbx->cmd.length; i++) 1133 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1134 printf("\n"); 1135 } 1136 1137 for (retry = MCD_RETRIES; retry; retry--) { 1138 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1139 for (i = 0; i < mbx->cmd.length; i++) 1140 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1141 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1142 break; 1143 if (error == EINVAL) 1144 return error; 1145 } 1146 if (!retry) 1147 return error; 1148 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1149 return EIO; 1150 1151 return 0; 1152 } 1153 1154 static int 1155 bcd2bin(b) 1156 bcd_t b; 1157 { 1158 1159 return (b >> 4) * 10 + (b & 15); 1160 } 1161 1162 static bcd_t 1163 bin2bcd(b) 1164 int b; 1165 { 1166 1167 return ((b / 10) << 4) | (b % 10); 1168 } 1169 1170 static void 1171 hsg2msf(hsg, msf) 1172 int hsg; 1173 bcd_t *msf; 1174 { 1175 1176 hsg += 150; 1177 F_msf(msf) = bin2bcd(hsg % 75); 1178 hsg /= 75; 1179 S_msf(msf) = bin2bcd(hsg % 60); 1180 hsg /= 60; 1181 M_msf(msf) = bin2bcd(hsg); 1182 } 1183 1184 static daddr_t 1185 msf2hsg(msf, relative) 1186 bcd_t *msf; 1187 int relative; 1188 { 1189 daddr_t blkno; 1190 1191 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1192 bcd2bin(S_msf(msf)) * 75 + 1193 bcd2bin(F_msf(msf)); 1194 if (!relative) 1195 blkno -= 150; 1196 return blkno; 1197 } 1198 1199 void 1200 mcd_pseudointr(v) 1201 void *v; 1202 { 1203 struct mcd_softc *sc = v; 1204 int s; 1205 1206 s = splbio(); 1207 (void) mcdintr(sc); 1208 splx(s); 1209 } 1210 1211 /* 1212 * State machine to process read requests. 1213 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1214 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1215 * MCD_S_WAITREAD: wait for read ready, read data. 1216 */ 1217 int 1218 mcdintr(arg) 1219 void *arg; 1220 { 1221 struct mcd_softc *sc = arg; 1222 struct mcd_mbx *mbx = &sc->mbx; 1223 struct buf *bp = mbx->bp; 1224 bus_space_tag_t iot = sc->sc_iot; 1225 bus_space_handle_t ioh = sc->sc_ioh; 1226 1227 int i; 1228 u_char x; 1229 bcd_t msf[3]; 1230 1231 switch (mbx->state) { 1232 case MCD_S_IDLE: 1233 return 0; 1234 1235 case MCD_S_BEGIN: 1236 tryagain: 1237 if (mbx->mode == sc->lastmode) 1238 goto firstblock; 1239 1240 sc->lastmode = MCD_MD_UNKNOWN; 1241 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1242 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1243 1244 mbx->count = RDELAY_WAITMODE; 1245 mbx->state = MCD_S_WAITMODE; 1246 1247 case MCD_S_WAITMODE: 1248 callout_stop(&sc->sc_pintr_ch); 1249 for (i = 20; i; i--) { 1250 x = bus_space_read_1(iot, ioh, MCD_XFER); 1251 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1252 break; 1253 delay(50); 1254 } 1255 if (i == 0) 1256 goto hold; 1257 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1258 mcd_setflags(sc); 1259 if ((sc->flags & MCDF_LOADED) == 0) 1260 goto changed; 1261 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1262 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1263 1264 sc->lastmode = mbx->mode; 1265 1266 firstblock: 1267 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1268 bp, 0, 0); 1269 1270 /* Build parameter block. */ 1271 hsg2msf(mbx->blkno, msf); 1272 1273 /* Send the read command. */ 1274 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1275 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1276 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1277 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1278 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1279 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1280 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1281 1282 mbx->count = RDELAY_WAITREAD; 1283 mbx->state = MCD_S_WAITREAD; 1284 1285 case MCD_S_WAITREAD: 1286 callout_stop(&sc->sc_pintr_ch); 1287 nextblock: 1288 loop: 1289 for (i = 20; i; i--) { 1290 x = bus_space_read_1(iot, ioh, MCD_XFER); 1291 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1292 goto gotblock; 1293 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1294 break; 1295 delay(50); 1296 } 1297 if (i == 0) 1298 goto hold; 1299 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1300 mcd_setflags(sc); 1301 if ((sc->flags & MCDF_LOADED) == 0) 1302 goto changed; 1303 #if 0 1304 printf("%s: got status byte %02x during read\n", 1305 sc->sc_dev.dv_xname, (u_int)sc->status); 1306 #endif 1307 goto loop; 1308 1309 gotblock: 1310 MCD_TRACE("doread: got data delay=%d\n", 1311 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1312 1313 /* Data is ready. */ 1314 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1315 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1316 bp->b_data + mbx->skip, mbx->sz); 1317 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1318 mbx->blkno += 1; 1319 mbx->skip += mbx->sz; 1320 if (--mbx->nblk > 0) 1321 goto nextblock; 1322 1323 mbx->state = MCD_S_IDLE; 1324 1325 /* Return buffer. */ 1326 bp->b_resid = 0; 1327 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1328 biodone(bp); 1329 1330 mcdstart(sc); 1331 return 1; 1332 1333 hold: 1334 if (mbx->count-- < 0) { 1335 printf("%s: timeout in state %d", 1336 sc->sc_dev.dv_xname, mbx->state); 1337 goto readerr; 1338 } 1339 1340 #if 0 1341 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1342 mbx->state); 1343 #endif 1344 callout_reset(&sc->sc_pintr_ch, hz / 100, 1345 mcd_pseudointr, sc); 1346 return -1; 1347 } 1348 1349 readerr: 1350 if (mbx->retry-- > 0) { 1351 printf("; retrying\n"); 1352 goto tryagain; 1353 } else 1354 printf("; giving up\n"); 1355 1356 changed: 1357 /* Invalidate the buffer. */ 1358 bp->b_flags |= B_ERROR; 1359 bp->b_resid = bp->b_bcount - mbx->skip; 1360 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1361 biodone(bp); 1362 1363 mcdstart(sc); 1364 return -1; 1365 1366 #ifdef notyet 1367 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1368 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1369 delay(300000); 1370 (void) mcd_getstat(sc, 1); 1371 (void) mcd_getstat(sc, 1); 1372 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1373 sc->debug = 1; /* preventive set debug mode */ 1374 #endif 1375 } 1376 1377 void 1378 mcd_soft_reset(sc) 1379 struct mcd_softc *sc; 1380 { 1381 1382 sc->debug = 0; 1383 sc->flags = 0; 1384 sc->lastmode = MCD_MD_UNKNOWN; 1385 sc->lastupc = MCD_UPC_UNKNOWN; 1386 sc->audio_status = CD_AS_AUDIO_INVALID; 1387 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1388 } 1389 1390 int 1391 mcd_hard_reset(sc) 1392 struct mcd_softc *sc; 1393 { 1394 struct mcd_mbox mbx; 1395 1396 mcd_soft_reset(sc); 1397 1398 mbx.cmd.opcode = MCD_CMDRESET; 1399 mbx.cmd.length = 0; 1400 mbx.res.length = 0; 1401 return mcd_send(sc, &mbx, 0); 1402 } 1403 1404 int 1405 mcd_setmode(sc, mode) 1406 struct mcd_softc *sc; 1407 int mode; 1408 { 1409 struct mcd_mbox mbx; 1410 int error; 1411 1412 if (sc->lastmode == mode) 1413 return 0; 1414 if (sc->debug) 1415 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1416 sc->lastmode = MCD_MD_UNKNOWN; 1417 1418 mbx.cmd.opcode = MCD_CMDSETMODE; 1419 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1420 mbx.cmd.data.datamode.mode = mode; 1421 mbx.res.length = 0; 1422 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1423 return error; 1424 1425 sc->lastmode = mode; 1426 return 0; 1427 } 1428 1429 int 1430 mcd_setupc(sc, upc) 1431 struct mcd_softc *sc; 1432 int upc; 1433 { 1434 struct mcd_mbox mbx; 1435 int error; 1436 1437 if (sc->lastupc == upc) 1438 return 0; 1439 if (sc->debug) 1440 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1441 sc->lastupc = MCD_UPC_UNKNOWN; 1442 1443 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1444 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1445 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1446 mbx.cmd.data.config.data1 = upc; 1447 mbx.res.length = 0; 1448 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1449 return error; 1450 1451 sc->lastupc = upc; 1452 return 0; 1453 } 1454 1455 int 1456 mcd_toc_header(sc, th) 1457 struct mcd_softc *sc; 1458 struct ioc_toc_header *th; 1459 { 1460 1461 if (sc->debug) 1462 printf("%s: mcd_toc_header: reading toc header\n", 1463 sc->sc_dev.dv_xname); 1464 1465 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1466 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1467 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1468 1469 return 0; 1470 } 1471 1472 int 1473 mcd_read_toc(sc) 1474 struct mcd_softc *sc; 1475 { 1476 struct ioc_toc_header th; 1477 union mcd_qchninfo q; 1478 int error, trk, idx, retry; 1479 1480 if ((error = mcd_toc_header(sc, &th)) != 0) 1481 return error; 1482 1483 if ((error = mcd_stop(sc)) != 0) 1484 return error; 1485 1486 if (sc->debug) 1487 printf("%s: read_toc: reading qchannel info\n", 1488 sc->sc_dev.dv_xname); 1489 1490 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1491 sc->toc[trk].toc.idx_no = 0x00; 1492 trk = th.ending_track - th.starting_track + 1; 1493 for (retry = 300; retry && trk > 0; retry--) { 1494 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1495 break; 1496 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1497 continue; 1498 idx = bcd2bin(q.toc.idx_no); 1499 if (idx < MCD_MAXTOCS && 1500 sc->toc[idx].toc.idx_no == 0x00) { 1501 sc->toc[idx] = q; 1502 trk--; 1503 } 1504 } 1505 1506 /* Inform the drive that we're finished so it turns off the light. */ 1507 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1508 return error; 1509 1510 if (trk != 0) 1511 return EINVAL; 1512 1513 /* Add a fake last+1 for mcd_playtracks(). */ 1514 idx = th.ending_track + 1; 1515 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1516 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1517 sc->toc[idx].toc.trk_no = 0x00; 1518 sc->toc[idx].toc.idx_no = 0xaa; 1519 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1520 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1521 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1522 1523 return 0; 1524 } 1525 1526 int 1527 mcd_toc_entries(sc, te) 1528 struct mcd_softc *sc; 1529 struct ioc_read_toc_entry *te; 1530 { 1531 int len = te->data_len; 1532 struct ret_toc { 1533 struct ioc_toc_header header; 1534 struct cd_toc_entry entries[MCD_MAXTOCS]; 1535 } data; 1536 u_char trk; 1537 daddr_t lba; 1538 int error, n; 1539 1540 if (len > sizeof(data.entries) || 1541 len < sizeof(struct cd_toc_entry)) 1542 return EINVAL; 1543 if (te->address_format != CD_MSF_FORMAT && 1544 te->address_format != CD_LBA_FORMAT) 1545 return EINVAL; 1546 1547 /* Copy the TOC header. */ 1548 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1549 return error; 1550 1551 /* Verify starting track. */ 1552 trk = te->starting_track; 1553 if (trk == 0x00) 1554 trk = data.header.starting_track; 1555 else if (trk == 0xaa) 1556 trk = data.header.ending_track + 1; 1557 else if (trk < data.header.starting_track || 1558 trk > data.header.ending_track + 1) 1559 return EINVAL; 1560 1561 /* Copy the TOC data. */ 1562 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1563 if (sc->toc[trk].toc.idx_no == 0x00) 1564 continue; 1565 data.entries[n].control = sc->toc[trk].toc.control; 1566 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1567 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1568 switch (te->address_format) { 1569 case CD_MSF_FORMAT: 1570 data.entries[n].addr.addr[0] = 0; 1571 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1572 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1573 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1574 break; 1575 case CD_LBA_FORMAT: 1576 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1577 data.entries[n].addr.addr[0] = lba >> 24; 1578 data.entries[n].addr.addr[1] = lba >> 16; 1579 data.entries[n].addr.addr[2] = lba >> 8; 1580 data.entries[n].addr.addr[3] = lba; 1581 break; 1582 } 1583 n++; 1584 } 1585 1586 len = min(len, n * sizeof(struct cd_toc_entry)); 1587 1588 /* Copy the data back. */ 1589 return copyout(&data.entries[0], te->data, len); 1590 } 1591 1592 int 1593 mcd_stop(sc) 1594 struct mcd_softc *sc; 1595 { 1596 struct mcd_mbox mbx; 1597 int error; 1598 1599 if (sc->debug) 1600 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1601 1602 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1603 mbx.cmd.length = 0; 1604 mbx.res.length = 0; 1605 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1606 return error; 1607 1608 sc->audio_status = CD_AS_PLAY_COMPLETED; 1609 return 0; 1610 } 1611 1612 int 1613 mcd_getqchan(sc, q, qchn) 1614 struct mcd_softc *sc; 1615 union mcd_qchninfo *q; 1616 int qchn; 1617 { 1618 struct mcd_mbox mbx; 1619 int error; 1620 1621 if (qchn == CD_TRACK_INFO) { 1622 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1623 return error; 1624 } else { 1625 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1626 return error; 1627 } 1628 if (qchn == CD_MEDIA_CATALOG) { 1629 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1630 return error; 1631 } else { 1632 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1633 return error; 1634 } 1635 1636 mbx.cmd.opcode = MCD_CMDGETQCHN; 1637 mbx.cmd.length = 0; 1638 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1639 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1640 return error; 1641 1642 *q = mbx.res.data.qchninfo; 1643 return 0; 1644 } 1645 1646 int 1647 mcd_read_subchannel(sc, ch) 1648 struct mcd_softc *sc; 1649 struct ioc_read_subchannel *ch; 1650 { 1651 int len = ch->data_len; 1652 union mcd_qchninfo q; 1653 struct cd_sub_channel_info data; 1654 daddr_t lba; 1655 int error; 1656 1657 if (sc->debug) 1658 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1659 ch->address_format, ch->data_format); 1660 1661 if (len > sizeof(data) || 1662 len < sizeof(struct cd_sub_channel_header)) 1663 return EINVAL; 1664 if (ch->address_format != CD_MSF_FORMAT && 1665 ch->address_format != CD_LBA_FORMAT) 1666 return EINVAL; 1667 if (ch->data_format != CD_CURRENT_POSITION && 1668 ch->data_format != CD_MEDIA_CATALOG) 1669 return EINVAL; 1670 1671 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1672 return error; 1673 1674 data.header.audio_status = sc->audio_status; 1675 data.what.media_catalog.data_format = ch->data_format; 1676 1677 switch (ch->data_format) { 1678 case CD_MEDIA_CATALOG: 1679 data.what.media_catalog.mc_valid = 1; 1680 #if 0 1681 data.what.media_catalog.mc_number = 1682 #endif 1683 break; 1684 1685 case CD_CURRENT_POSITION: 1686 data.what.position.track_number = bcd2bin(q.current.trk_no); 1687 data.what.position.index_number = bcd2bin(q.current.idx_no); 1688 switch (ch->address_format) { 1689 case CD_MSF_FORMAT: 1690 data.what.position.reladdr.addr[0] = 0; 1691 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1692 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1693 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1694 data.what.position.absaddr.addr[0] = 0; 1695 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1696 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1697 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1698 break; 1699 case CD_LBA_FORMAT: 1700 lba = msf2hsg(q.current.relative_pos, 1); 1701 /* 1702 * Pre-gap has index number of 0, and decreasing MSF 1703 * address. Must be converted to negative LBA, per 1704 * SCSI spec. 1705 */ 1706 if (data.what.position.index_number == 0x00) 1707 lba = -lba; 1708 data.what.position.reladdr.addr[0] = lba >> 24; 1709 data.what.position.reladdr.addr[1] = lba >> 16; 1710 data.what.position.reladdr.addr[2] = lba >> 8; 1711 data.what.position.reladdr.addr[3] = lba; 1712 lba = msf2hsg(q.current.absolute_pos, 0); 1713 data.what.position.absaddr.addr[0] = lba >> 24; 1714 data.what.position.absaddr.addr[1] = lba >> 16; 1715 data.what.position.absaddr.addr[2] = lba >> 8; 1716 data.what.position.absaddr.addr[3] = lba; 1717 break; 1718 } 1719 break; 1720 } 1721 1722 return copyout(&data, ch->data, len); 1723 } 1724 1725 int 1726 mcd_playtracks(sc, p) 1727 struct mcd_softc *sc; 1728 struct ioc_play_track *p; 1729 { 1730 struct mcd_mbox mbx; 1731 int a = p->start_track; 1732 int z = p->end_track; 1733 int error; 1734 1735 if (sc->debug) 1736 printf("%s: playtracks: from %d:%d to %d:%d\n", 1737 sc->sc_dev.dv_xname, 1738 a, p->start_index, z, p->end_index); 1739 1740 if (a < bcd2bin(sc->volinfo.trk_low) || 1741 a > bcd2bin(sc->volinfo.trk_high) || 1742 a > z || 1743 z < bcd2bin(sc->volinfo.trk_low) || 1744 z > bcd2bin(sc->volinfo.trk_high)) 1745 return EINVAL; 1746 1747 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1748 return error; 1749 1750 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1751 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1752 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1753 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1754 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1755 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1756 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1757 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1758 sc->lastpb = mbx.cmd; 1759 mbx.res.length = 0; 1760 return mcd_send(sc, &mbx, 1); 1761 } 1762 1763 int 1764 mcd_playmsf(sc, p) 1765 struct mcd_softc *sc; 1766 struct ioc_play_msf *p; 1767 { 1768 struct mcd_mbox mbx; 1769 int error; 1770 1771 if (sc->debug) 1772 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1773 sc->sc_dev.dv_xname, 1774 p->start_m, p->start_s, p->start_f, 1775 p->end_m, p->end_s, p->end_f); 1776 1777 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1778 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1779 return EINVAL; 1780 1781 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1782 return error; 1783 1784 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1785 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1786 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1787 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1788 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1789 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1790 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1791 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1792 sc->lastpb = mbx.cmd; 1793 mbx.res.length = 0; 1794 return mcd_send(sc, &mbx, 1); 1795 } 1796 1797 int 1798 mcd_playblocks(sc, p) 1799 struct mcd_softc *sc; 1800 struct ioc_play_blocks *p; 1801 { 1802 struct mcd_mbox mbx; 1803 int error; 1804 1805 if (sc->debug) 1806 printf("%s: playblocks: blkno %d length %d\n", 1807 sc->sc_dev.dv_xname, p->blk, p->len); 1808 1809 if (p->blk > sc->disksize || p->len > sc->disksize || 1810 (p->blk + p->len) > sc->disksize) 1811 return 0; 1812 1813 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1814 return error; 1815 1816 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1817 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1818 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1819 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1820 sc->lastpb = mbx.cmd; 1821 mbx.res.length = 0; 1822 return mcd_send(sc, &mbx, 1); 1823 } 1824 1825 int 1826 mcd_pause(sc) 1827 struct mcd_softc *sc; 1828 { 1829 union mcd_qchninfo q; 1830 int error; 1831 1832 /* Verify current status. */ 1833 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1834 printf("%s: pause: attempted when not playing\n", 1835 sc->sc_dev.dv_xname); 1836 return EINVAL; 1837 } 1838 1839 /* Get the current position. */ 1840 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1841 return error; 1842 1843 /* Copy it into lastpb. */ 1844 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1845 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1846 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1847 1848 /* Stop playing. */ 1849 if ((error = mcd_stop(sc)) != 0) 1850 return error; 1851 1852 /* Set the proper status and exit. */ 1853 sc->audio_status = CD_AS_PLAY_PAUSED; 1854 return 0; 1855 } 1856 1857 int 1858 mcd_resume(sc) 1859 struct mcd_softc *sc; 1860 { 1861 struct mcd_mbox mbx; 1862 int error; 1863 1864 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1865 return EINVAL; 1866 1867 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1868 return error; 1869 1870 mbx.cmd = sc->lastpb; 1871 mbx.res.length = 0; 1872 return mcd_send(sc, &mbx, 1); 1873 } 1874 1875 int 1876 mcd_eject(sc) 1877 struct mcd_softc *sc; 1878 { 1879 struct mcd_mbox mbx; 1880 1881 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1882 mbx.cmd.length = 0; 1883 mbx.res.length = 0; 1884 return mcd_send(sc, &mbx, 0); 1885 } 1886 1887 int 1888 mcd_setlock(sc, mode) 1889 struct mcd_softc *sc; 1890 int mode; 1891 { 1892 struct mcd_mbox mbx; 1893 1894 mbx.cmd.opcode = MCD_CMDSETLOCK; 1895 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1896 mbx.cmd.data.lockmode.mode = mode; 1897 mbx.res.length = 0; 1898 return mcd_send(sc, &mbx, 1); 1899 } 1900