1 /* $NetBSD: mcd.c,v 1.72 2001/11/13 08:01:24 lukem 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 1.72 2001/11/13 08:01:24 lukem Exp $"); 60 61 #include <sys/types.h> 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/callout.h> 65 #include <sys/kernel.h> 66 #include <sys/proc.h> 67 #include <sys/conf.h> 68 #include <sys/file.h> 69 #include <sys/buf.h> 70 #include <sys/stat.h> 71 #include <sys/uio.h> 72 #include <sys/ioctl.h> 73 #include <sys/cdio.h> 74 #include <sys/errno.h> 75 #include <sys/disklabel.h> 76 #include <sys/device.h> 77 #include <sys/disk.h> 78 79 #include <machine/cpu.h> 80 #include <machine/intr.h> 81 #include <machine/bus.h> 82 83 #include <dev/isa/isavar.h> 84 #include <dev/isa/mcdreg.h> 85 86 #ifndef MCDDEBUG 87 #define MCD_TRACE(fmt,a,b,c,d) 88 #else 89 #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);}} 90 #endif 91 92 #define MCDPART(dev) DISKPART(dev) 93 #define MCDUNIT(dev) DISKUNIT(dev) 94 95 /* toc */ 96 #define MCD_MAXTOCS 104 /* from the Linux driver */ 97 98 /* control promiscuous match */ 99 #include "opt_mcd_promisc.h" 100 101 #ifdef MCD_PROMISC 102 int mcd_promisc = 1; 103 #else 104 int mcd_promisc = 0; 105 #endif 106 107 struct mcd_mbx { 108 int retry, count; 109 struct buf *bp; 110 daddr_t blkno; 111 int nblk; 112 int sz; 113 u_long skip; 114 int state; 115 #define MCD_S_IDLE 0 116 #define MCD_S_BEGIN 1 117 #define MCD_S_WAITMODE 2 118 #define MCD_S_WAITREAD 3 119 int mode; 120 }; 121 122 struct mcd_softc { 123 struct device sc_dev; 124 struct disk sc_dk; 125 void *sc_ih; 126 127 struct callout sc_pintr_ch; 128 129 bus_space_tag_t sc_iot; 130 bus_space_handle_t sc_ioh; 131 132 int irq, drq; 133 134 char *type; 135 int flags; 136 #define MCDF_LOCKED 0x01 137 #define MCDF_WANTED 0x02 138 #define MCDF_WLABEL 0x04 /* label is writable */ 139 #define MCDF_LABELLING 0x08 /* writing label */ 140 #define MCDF_LOADED 0x10 /* parameters loaded */ 141 short status; 142 short audio_status; 143 int blksize; 144 u_long disksize; 145 struct mcd_volinfo volinfo; 146 union mcd_qchninfo toc[MCD_MAXTOCS]; 147 struct mcd_command lastpb; 148 struct mcd_mbx mbx; 149 int lastmode; 150 #define MCD_MD_UNKNOWN -1 151 int lastupc; 152 #define MCD_UPC_UNKNOWN -1 153 struct buf_queue buf_queue; 154 int active; 155 u_char readcmd; 156 u_char debug; 157 u_char probe; 158 }; 159 160 /* prototypes */ 161 /* XXX does not belong here */ 162 cdev_decl(mcd); 163 bdev_decl(mcd); 164 165 static int bcd2bin __P((bcd_t)); 166 static bcd_t bin2bcd __P((int)); 167 static void hsg2msf __P((int, bcd_t *)); 168 static daddr_t msf2hsg __P((bcd_t *, int)); 169 170 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 171 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 172 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 173 int mcd_stop __P((struct mcd_softc *)); 174 int mcd_eject __P((struct mcd_softc *)); 175 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 176 int mcd_pause __P((struct mcd_softc *)); 177 int mcd_resume __P((struct mcd_softc *)); 178 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 179 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 180 181 int mcd_getreply __P((struct mcd_softc *)); 182 int mcd_getstat __P((struct mcd_softc *)); 183 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 184 void mcd_setflags __P((struct mcd_softc *)); 185 int mcd_get __P((struct mcd_softc *, char *, int)); 186 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 187 int mcdintr __P((void *)); 188 void mcd_soft_reset __P((struct mcd_softc *)); 189 int mcd_hard_reset __P((struct mcd_softc *)); 190 int mcd_setmode __P((struct mcd_softc *, int)); 191 int mcd_setupc __P((struct mcd_softc *, int)); 192 int mcd_read_toc __P((struct mcd_softc *)); 193 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 194 int mcd_setlock __P((struct mcd_softc *, int)); 195 196 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 197 int mcdprobe __P((struct device *, struct cfdata *, void *)); 198 void mcdattach __P((struct device *, struct device *, void *)); 199 200 struct cfattach mcd_ca = { 201 sizeof(struct mcd_softc), mcdprobe, mcdattach 202 }; 203 204 extern struct cfdriver mcd_cd; 205 206 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 207 void mcdgetdisklabel __P((struct mcd_softc *)); 208 int mcd_get_parms __P((struct mcd_softc *)); 209 void mcdstrategy __P((struct buf *)); 210 void mcdstart __P((struct mcd_softc *)); 211 int mcdlock __P((struct mcd_softc *)); 212 void mcdunlock __P((struct mcd_softc *)); 213 void mcd_pseudointr __P((void *)); 214 215 struct dkdriver mcddkdriver = { mcdstrategy }; 216 217 #define MCD_RETRIES 3 218 #define MCD_RDRETRIES 3 219 220 /* several delays */ 221 #define RDELAY_WAITMODE 300 222 #define RDELAY_WAITREAD 800 223 224 #define DELAY_GRANULARITY 25 /* 25us */ 225 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 226 227 void 228 mcdattach(parent, self, aux) 229 struct device *parent, *self; 230 void *aux; 231 { 232 struct mcd_softc *sc = (void *)self; 233 struct isa_attach_args *ia = aux; 234 bus_space_tag_t iot = ia->ia_iot; 235 bus_space_handle_t ioh; 236 struct mcd_mbox mbx; 237 238 /* Map i/o space */ 239 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 240 printf(": can't map i/o space\n"); 241 return; 242 } 243 244 sc->sc_iot = iot; 245 sc->sc_ioh = ioh; 246 247 sc->probe = 0; 248 sc->debug = 0; 249 250 if (!mcd_find(iot, ioh, sc)) { 251 printf(": mcd_find failed\n"); 252 return; 253 } 254 255 BUFQ_INIT(&sc->buf_queue); 256 callout_init(&sc->sc_pintr_ch); 257 258 /* 259 * Initialize and attach the disk structure. 260 */ 261 sc->sc_dk.dk_driver = &mcddkdriver; 262 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 263 disk_attach(&sc->sc_dk); 264 265 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 266 267 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 268 269 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 270 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 271 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 272 mbx.cmd.data.config.data1 = 0x01; 273 mbx.res.length = 0; 274 (void) mcd_send(sc, &mbx, 0); 275 276 mcd_soft_reset(sc); 277 278 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 279 IPL_BIO, mcdintr, sc); 280 } 281 282 /* 283 * Wait interruptibly for an exclusive lock. 284 * 285 * XXX 286 * Several drivers do this; it should be abstracted and made MP-safe. 287 */ 288 int 289 mcdlock(sc) 290 struct mcd_softc *sc; 291 { 292 int error; 293 294 while ((sc->flags & MCDF_LOCKED) != 0) { 295 sc->flags |= MCDF_WANTED; 296 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 297 return error; 298 } 299 sc->flags |= MCDF_LOCKED; 300 return 0; 301 } 302 303 /* 304 * Unlock and wake up any waiters. 305 */ 306 void 307 mcdunlock(sc) 308 struct mcd_softc *sc; 309 { 310 311 sc->flags &= ~MCDF_LOCKED; 312 if ((sc->flags & MCDF_WANTED) != 0) { 313 sc->flags &= ~MCDF_WANTED; 314 wakeup(sc); 315 } 316 } 317 318 int 319 mcdopen(dev, flag, fmt, p) 320 dev_t dev; 321 int flag, fmt; 322 struct proc *p; 323 { 324 int error, part; 325 struct mcd_softc *sc; 326 327 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 328 if (sc == NULL) 329 return ENXIO; 330 331 if ((error = mcdlock(sc)) != 0) 332 return error; 333 334 if (sc->sc_dk.dk_openmask != 0) { 335 /* 336 * If any partition is open, but the disk has been invalidated, 337 * disallow further opens. 338 */ 339 if ((sc->flags & MCDF_LOADED) == 0) { 340 error = EIO; 341 goto bad3; 342 } 343 } else { 344 /* 345 * Lock the drawer. This will also notice any pending disk 346 * change or door open indicator and clear the MCDF_LOADED bit 347 * if necessary. 348 */ 349 (void) mcd_setlock(sc, MCD_LK_LOCK); 350 351 if ((sc->flags & MCDF_LOADED) == 0) { 352 /* Partially reset the state. */ 353 sc->lastmode = MCD_MD_UNKNOWN; 354 sc->lastupc = MCD_UPC_UNKNOWN; 355 356 sc->flags |= MCDF_LOADED; 357 358 /* Set the mode, causing the disk to spin up. */ 359 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 360 goto bad2; 361 362 /* Load the physical device parameters. */ 363 if (mcd_get_parms(sc) != 0) { 364 error = ENXIO; 365 goto bad2; 366 } 367 368 /* Read the table of contents. */ 369 if ((error = mcd_read_toc(sc)) != 0) 370 goto bad2; 371 372 /* Fabricate a disk label. */ 373 mcdgetdisklabel(sc); 374 } 375 } 376 377 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 378 sc->disksize, sc->blksize, 0); 379 380 part = MCDPART(dev); 381 382 /* Check that the partition exists. */ 383 if (part != RAW_PART && 384 (part >= sc->sc_dk.dk_label->d_npartitions || 385 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 386 error = ENXIO; 387 goto bad; 388 } 389 390 /* Insure only one open at a time. */ 391 switch (fmt) { 392 case S_IFCHR: 393 sc->sc_dk.dk_copenmask |= (1 << part); 394 break; 395 case S_IFBLK: 396 sc->sc_dk.dk_bopenmask |= (1 << part); 397 break; 398 } 399 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 400 401 mcdunlock(sc); 402 return 0; 403 404 bad2: 405 sc->flags &= ~MCDF_LOADED; 406 407 bad: 408 if (sc->sc_dk.dk_openmask == 0) { 409 #if 0 410 (void) mcd_setmode(sc, MCD_MD_SLEEP); 411 #endif 412 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 413 } 414 415 bad3: 416 mcdunlock(sc); 417 return error; 418 } 419 420 int 421 mcdclose(dev, flag, fmt, p) 422 dev_t dev; 423 int flag, fmt; 424 struct proc *p; 425 { 426 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 427 int part = MCDPART(dev); 428 int error; 429 430 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 431 432 if ((error = mcdlock(sc)) != 0) 433 return error; 434 435 switch (fmt) { 436 case S_IFCHR: 437 sc->sc_dk.dk_copenmask &= ~(1 << part); 438 break; 439 case S_IFBLK: 440 sc->sc_dk.dk_bopenmask &= ~(1 << part); 441 break; 442 } 443 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 444 445 if (sc->sc_dk.dk_openmask == 0) { 446 /* XXXX Must wait for I/O to complete! */ 447 448 #if 0 449 (void) mcd_setmode(sc, MCD_MD_SLEEP); 450 #endif 451 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 452 } 453 454 mcdunlock(sc); 455 return 0; 456 } 457 458 void 459 mcdstrategy(bp) 460 struct buf *bp; 461 { 462 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 463 struct disklabel *lp = sc->sc_dk.dk_label; 464 daddr_t blkno; 465 int s; 466 467 /* Test validity. */ 468 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 469 bp->b_blkno, bp->b_bcount, 0); 470 if (bp->b_blkno < 0 || 471 (bp->b_bcount % sc->blksize) != 0) { 472 printf("%s: strategy: blkno = %d bcount = %ld\n", 473 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 474 bp->b_error = EINVAL; 475 goto bad; 476 } 477 478 /* If device invalidated (e.g. media change, door open), error. */ 479 if ((sc->flags & MCDF_LOADED) == 0) { 480 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 481 bp->b_error = EIO; 482 goto bad; 483 } 484 485 /* No data to read. */ 486 if (bp->b_bcount == 0) 487 goto done; 488 489 /* 490 * Do bounds checking, adjust transfer. if error, process. 491 * If end of partition, just return. 492 */ 493 if (MCDPART(bp->b_dev) != RAW_PART && 494 bounds_check_with_label(bp, lp, 495 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 496 goto done; 497 498 /* 499 * Now convert the block number to absolute and put it in 500 * terms of the device's logical block size. 501 */ 502 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 503 if (MCDPART(bp->b_dev) != RAW_PART) 504 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 505 506 bp->b_rawblkno = blkno; 507 508 /* Queue it. */ 509 s = splbio(); 510 disksort_blkno(&sc->buf_queue, bp); 511 splx(s); 512 if (!sc->active) 513 mcdstart(sc); 514 return; 515 516 bad: 517 bp->b_flags |= B_ERROR; 518 done: 519 bp->b_resid = bp->b_bcount; 520 biodone(bp); 521 } 522 523 void 524 mcdstart(sc) 525 struct mcd_softc *sc; 526 { 527 struct buf *bp; 528 int s; 529 530 loop: 531 s = splbio(); 532 533 if ((bp = BUFQ_FIRST(&sc->buf_queue)) == NULL) { 534 /* Nothing to do. */ 535 sc->active = 0; 536 splx(s); 537 return; 538 } 539 540 /* Block found to process; dequeue. */ 541 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 542 BUFQ_REMOVE(&sc->buf_queue, bp); 543 splx(s); 544 545 /* Changed media? */ 546 if ((sc->flags & MCDF_LOADED) == 0) { 547 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 548 bp->b_error = EIO; 549 bp->b_flags |= B_ERROR; 550 biodone(bp); 551 goto loop; 552 } 553 554 sc->active = 1; 555 556 /* Instrumentation. */ 557 s = splbio(); 558 disk_busy(&sc->sc_dk); 559 splx(s); 560 561 sc->mbx.retry = MCD_RDRETRIES; 562 sc->mbx.bp = bp; 563 sc->mbx.blkno = bp->b_rawblkno; 564 sc->mbx.nblk = bp->b_bcount / sc->blksize; 565 sc->mbx.sz = sc->blksize; 566 sc->mbx.skip = 0; 567 sc->mbx.state = MCD_S_BEGIN; 568 sc->mbx.mode = MCD_MD_COOKED; 569 570 s = splbio(); 571 (void) mcdintr(sc); 572 splx(s); 573 } 574 575 int 576 mcdread(dev, uio, flags) 577 dev_t dev; 578 struct uio *uio; 579 int flags; 580 { 581 582 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 583 } 584 585 int 586 mcdwrite(dev, uio, flags) 587 dev_t dev; 588 struct uio *uio; 589 int flags; 590 { 591 592 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 593 } 594 595 int 596 mcdioctl(dev, cmd, addr, flag, p) 597 dev_t dev; 598 u_long cmd; 599 caddr_t addr; 600 int flag; 601 struct proc *p; 602 { 603 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 604 int error; 605 int part; 606 #ifdef __HAVE_OLD_DISKLABEL 607 struct disklabel newlabel; 608 #endif 609 610 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 611 612 if ((sc->flags & MCDF_LOADED) == 0) 613 return EIO; 614 615 part = MCDPART(dev); 616 switch (cmd) { 617 case DIOCGDINFO: 618 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 619 return 0; 620 #ifdef __HAVE_OLD_DISKLABEL 621 case ODIOCGDINFO: 622 newlabel = *(sc->sc_dk.dk_label); 623 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 624 return ENOTTY; 625 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 626 return 0; 627 #endif 628 629 case DIOCGPART: 630 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 631 ((struct partinfo *)addr)->part = 632 &sc->sc_dk.dk_label->d_partitions[part]; 633 return 0; 634 635 case DIOCWDINFO: 636 case DIOCSDINFO: 637 #ifdef __HAVE_OLD_DISKLABEL 638 case ODIOCWDINFO: 639 case ODIOCSDINFO: 640 #endif 641 { 642 struct disklabel *lp; 643 644 if ((flag & FWRITE) == 0) 645 return EBADF; 646 647 #ifdef __HAVE_OLD_DISKLABEL 648 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 649 memset(&newlabel, 0, sizeof newlabel); 650 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 651 lp = &newlabel; 652 } else 653 #endif 654 lp = (struct disklabel *)addr; 655 656 if ((error = mcdlock(sc)) != 0) 657 return error; 658 sc->flags |= MCDF_LABELLING; 659 660 error = setdisklabel(sc->sc_dk.dk_label, 661 lp, /*sc->sc_dk.dk_openmask : */0, 662 sc->sc_dk.dk_cpulabel); 663 if (error == 0) { 664 } 665 666 sc->flags &= ~MCDF_LABELLING; 667 mcdunlock(sc); 668 return error; 669 } 670 671 case DIOCWLABEL: 672 return EBADF; 673 674 case DIOCGDEFLABEL: 675 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 676 return 0; 677 678 #ifdef __HAVE_OLD_DISKLABEL 679 case ODIOCGDEFLABEL: 680 mcdgetdefaultlabel(sc, &newlabel); 681 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 682 return ENOTTY; 683 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 684 return 0; 685 #endif 686 687 case CDIOCPLAYTRACKS: 688 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 689 case CDIOCPLAYMSF: 690 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 691 case CDIOCPLAYBLOCKS: 692 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 693 case CDIOCREADSUBCHANNEL: 694 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 695 case CDIOREADTOCHEADER: 696 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 697 case CDIOREADTOCENTRYS: 698 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 699 case CDIOCSETPATCH: 700 case CDIOCGETVOL: 701 case CDIOCSETVOL: 702 case CDIOCSETMONO: 703 case CDIOCSETSTEREO: 704 case CDIOCSETMUTE: 705 case CDIOCSETLEFT: 706 case CDIOCSETRIGHT: 707 return EINVAL; 708 case CDIOCRESUME: 709 return mcd_resume(sc); 710 case CDIOCPAUSE: 711 return mcd_pause(sc); 712 case CDIOCSTART: 713 return EINVAL; 714 case CDIOCSTOP: 715 return mcd_stop(sc); 716 case DIOCEJECT: 717 if (*(int *)addr == 0) { 718 /* 719 * Don't force eject: check that we are the only 720 * partition open. If so, unlock it. 721 */ 722 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 723 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 724 sc->sc_dk.dk_openmask) { 725 error = mcd_setlock(sc, MCD_LK_UNLOCK); 726 if (error) 727 return (error); 728 } else { 729 return (EBUSY); 730 } 731 } 732 /* FALLTHROUGH */ 733 case CDIOCEJECT: /* FALLTHROUGH */ 734 case ODIOCEJECT: 735 return mcd_eject(sc); 736 case CDIOCALLOW: 737 return mcd_setlock(sc, MCD_LK_UNLOCK); 738 case CDIOCPREVENT: 739 return mcd_setlock(sc, MCD_LK_LOCK); 740 case DIOCLOCK: 741 return mcd_setlock(sc, 742 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 743 case CDIOCSETDEBUG: 744 sc->debug = 1; 745 return 0; 746 case CDIOCCLRDEBUG: 747 sc->debug = 0; 748 return 0; 749 case CDIOCRESET: 750 return mcd_hard_reset(sc); 751 752 default: 753 return ENOTTY; 754 } 755 756 #ifdef DIAGNOSTIC 757 panic("mcdioctl: impossible"); 758 #endif 759 } 760 761 void 762 mcdgetdefaultlabel(sc, lp) 763 struct mcd_softc *sc; 764 struct disklabel *lp; 765 { 766 767 memset(lp, 0, sizeof(struct disklabel)); 768 769 lp->d_secsize = sc->blksize; 770 lp->d_ntracks = 1; 771 lp->d_nsectors = 100; 772 lp->d_ncylinders = (sc->disksize / 100) + 1; 773 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 774 775 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 776 lp->d_type = 0; /* XXX */ 777 strncpy(lp->d_packname, "fictitious", 16); 778 lp->d_secperunit = sc->disksize; 779 lp->d_rpm = 300; 780 lp->d_interleave = 1; 781 lp->d_flags = D_REMOVABLE; 782 783 lp->d_partitions[0].p_offset = 0; 784 lp->d_partitions[0].p_size = 785 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 786 lp->d_partitions[0].p_fstype = FS_ISO9660; 787 lp->d_partitions[RAW_PART].p_offset = 0; 788 lp->d_partitions[RAW_PART].p_size = 789 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 790 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 791 lp->d_npartitions = RAW_PART + 1; 792 793 lp->d_magic = DISKMAGIC; 794 lp->d_magic2 = DISKMAGIC; 795 lp->d_checksum = dkcksum(lp); 796 } 797 798 /* 799 * This could have been taken from scsi/cd.c, but it is not clear 800 * whether the scsi cd driver is linked in. 801 */ 802 void 803 mcdgetdisklabel(sc) 804 struct mcd_softc *sc; 805 { 806 struct disklabel *lp = sc->sc_dk.dk_label; 807 808 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 809 810 mcdgetdefaultlabel(sc, lp); 811 } 812 813 int 814 mcd_get_parms(sc) 815 struct mcd_softc *sc; 816 { 817 struct mcd_mbox mbx; 818 daddr_t size; 819 int error; 820 821 /* Send volume info command. */ 822 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 823 mbx.cmd.length = 0; 824 mbx.res.length = sizeof(mbx.res.data.volinfo); 825 if ((error = mcd_send(sc, &mbx, 1)) != 0) 826 return error; 827 828 if (mbx.res.data.volinfo.trk_low == 0x00 && 829 mbx.res.data.volinfo.trk_high == 0x00) 830 return EINVAL; 831 832 /* Volinfo is OK. */ 833 sc->volinfo = mbx.res.data.volinfo; 834 sc->blksize = MCD_BLKSIZE_COOKED; 835 size = msf2hsg(sc->volinfo.vol_msf, 0); 836 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 837 return 0; 838 } 839 840 int 841 mcdsize(dev) 842 dev_t dev; 843 { 844 845 /* CD-ROMs are read-only. */ 846 return -1; 847 } 848 849 int 850 mcddump(dev, blkno, va, size) 851 dev_t dev; 852 daddr_t blkno; 853 caddr_t va; 854 size_t size; 855 { 856 857 /* Not implemented. */ 858 return ENXIO; 859 } 860 861 /* 862 * Find the board and fill in the softc. 863 */ 864 int 865 mcd_find(iot, ioh, sc) 866 bus_space_tag_t iot; 867 bus_space_handle_t ioh; 868 struct mcd_softc *sc; 869 { 870 int i; 871 struct mcd_mbox mbx; 872 873 sc->sc_iot = iot; 874 sc->sc_ioh = ioh; 875 876 /* Send a reset. */ 877 bus_space_write_1(iot, ioh, MCD_RESET, 0); 878 delay(1000000); 879 /* Get any pending status and throw away. */ 880 for (i = 10; i; i--) 881 bus_space_read_1(iot, ioh, MCD_STATUS); 882 delay(1000); 883 884 /* Send get status command. */ 885 mbx.cmd.opcode = MCD_CMDGETSTAT; 886 mbx.cmd.length = 0; 887 mbx.res.length = 0; 888 if (mcd_send(sc, &mbx, 0) != 0) 889 return 0; 890 891 /* Get info about the drive. */ 892 mbx.cmd.opcode = MCD_CMDCONTINFO; 893 mbx.cmd.length = 0; 894 mbx.res.length = sizeof(mbx.res.data.continfo); 895 if (mcd_send(sc, &mbx, 0) != 0) 896 return 0; 897 898 /* 899 * The following is code which is not guaranteed to work for all 900 * drives, because the meaning of the expected 'M' is not clear 901 * (M_itsumi is an obvious assumption, but I don't trust that). 902 * Also, the original hack had a bogus condition that always 903 * returned true. 904 * 905 * Note: Which models support interrupts? >=LU005S? 906 */ 907 sc->readcmd = MCD_CMDREADSINGLESPEED; 908 switch (mbx.res.data.continfo.code) { 909 case 'M': 910 if (mbx.res.data.continfo.version <= 2) 911 sc->type = "LU002S"; 912 else if (mbx.res.data.continfo.version <= 5) 913 sc->type = "LU005S"; 914 else 915 sc->type = "LU006S"; 916 break; 917 case 'F': 918 sc->type = "FX001"; 919 break; 920 case 'D': 921 sc->type = "FX001D"; 922 sc->readcmd = MCD_CMDREADDOUBLESPEED; 923 break; 924 default: 925 /* 926 * mcd_send() says the response looked OK but the 927 * drive type is unknown. If mcd_promisc, match anyway. 928 */ 929 if (mcd_promisc != 0) 930 return 0; 931 932 #ifdef MCDDEBUG 933 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 934 sc->sc_dev.dv_xname, 935 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 936 #endif 937 sc->type = 0; 938 break; 939 } 940 941 return 1; 942 943 } 944 945 int 946 mcdprobe(parent, match, aux) 947 struct device *parent; 948 struct cfdata *match; 949 void *aux; 950 { 951 struct isa_attach_args *ia = aux; 952 struct mcd_softc sc; 953 bus_space_tag_t iot = ia->ia_iot; 954 bus_space_handle_t ioh; 955 int rv; 956 957 /* Disallow wildcarded i/o address. */ 958 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 959 return (0); 960 961 /* Map i/o space */ 962 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 963 return 0; 964 965 sc.debug = 0; 966 sc.probe = 1; 967 968 rv = mcd_find(iot, ioh, &sc); 969 970 bus_space_unmap(iot, ioh, MCD_NPORT); 971 972 if (rv) { 973 ia->ia_iosize = MCD_NPORT; 974 ia->ia_msize = 0; 975 } 976 977 return (rv); 978 } 979 980 int 981 mcd_getreply(sc) 982 struct mcd_softc *sc; 983 { 984 bus_space_tag_t iot = sc->sc_iot; 985 bus_space_handle_t ioh = sc->sc_ioh; 986 int i; 987 988 /* Wait until xfer port senses data ready. */ 989 for (i = DELAY_GETREPLY; i; i--) { 990 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 991 MCD_XF_STATUSUNAVAIL) == 0) 992 break; 993 delay(DELAY_GRANULARITY); 994 } 995 if (!i) 996 return -1; 997 998 /* Get the data. */ 999 return bus_space_read_1(iot, ioh, MCD_STATUS); 1000 } 1001 1002 int 1003 mcd_getstat(sc) 1004 struct mcd_softc *sc; 1005 { 1006 struct mcd_mbox mbx; 1007 1008 mbx.cmd.opcode = MCD_CMDGETSTAT; 1009 mbx.cmd.length = 0; 1010 mbx.res.length = 0; 1011 return mcd_send(sc, &mbx, 1); 1012 } 1013 1014 int 1015 mcd_getresult(sc, res) 1016 struct mcd_softc *sc; 1017 struct mcd_result *res; 1018 { 1019 int i, x; 1020 1021 if (sc->debug) 1022 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1023 res->length); 1024 1025 if ((x = mcd_getreply(sc)) < 0) { 1026 if (sc->debug) 1027 printf(" timeout\n"); 1028 else if (!sc->probe) 1029 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1030 return EIO; 1031 } 1032 if (sc->debug) 1033 printf(" %02x", (u_int)x); 1034 sc->status = x; 1035 mcd_setflags(sc); 1036 1037 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1038 return EINVAL; 1039 1040 for (i = 0; i < res->length; i++) { 1041 if ((x = mcd_getreply(sc)) < 0) { 1042 if (sc->debug) 1043 printf(" timeout\n"); 1044 else 1045 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1046 return EIO; 1047 } 1048 if (sc->debug) 1049 printf(" %02x", (u_int)x); 1050 res->data.raw.data[i] = x; 1051 } 1052 1053 if (sc->debug) 1054 printf(" succeeded\n"); 1055 1056 #ifdef MCDDEBUG 1057 delay(10); 1058 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1059 MCD_XF_STATUSUNAVAIL) == 0) { 1060 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1061 printf("%s: got extra byte %02x during getstatus\n", 1062 sc->sc_dev.dv_xname, (u_int)x); 1063 delay(10); 1064 } 1065 #endif 1066 1067 return 0; 1068 } 1069 1070 void 1071 mcd_setflags(sc) 1072 struct mcd_softc *sc; 1073 { 1074 1075 /* Check flags. */ 1076 if ((sc->flags & MCDF_LOADED) != 0 && 1077 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1078 MCD_ST_DSKIN) { 1079 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1080 printf("%s: door open\n", sc->sc_dev.dv_xname); 1081 else if ((sc->status & MCD_ST_DSKIN) == 0) 1082 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1083 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1084 printf("%s: media change\n", sc->sc_dev.dv_xname); 1085 sc->flags &= ~MCDF_LOADED; 1086 } 1087 1088 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1089 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1090 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1091 sc->audio_status == CD_AS_AUDIO_INVALID) 1092 sc->audio_status = CD_AS_PLAY_COMPLETED; 1093 } 1094 1095 int 1096 mcd_send(sc, mbx, diskin) 1097 struct mcd_softc *sc; 1098 struct mcd_mbox *mbx; 1099 int diskin; 1100 { 1101 int retry, i, error; 1102 bus_space_tag_t iot = sc->sc_iot; 1103 bus_space_handle_t ioh = sc->sc_ioh; 1104 1105 if (sc->debug) { 1106 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1107 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1108 for (i = 0; i < mbx->cmd.length; i++) 1109 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1110 printf("\n"); 1111 } 1112 1113 for (retry = MCD_RETRIES; retry; retry--) { 1114 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1115 for (i = 0; i < mbx->cmd.length; i++) 1116 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1117 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1118 break; 1119 if (error == EINVAL) 1120 return error; 1121 } 1122 if (!retry) 1123 return error; 1124 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1125 return EIO; 1126 1127 return 0; 1128 } 1129 1130 static int 1131 bcd2bin(b) 1132 bcd_t b; 1133 { 1134 1135 return (b >> 4) * 10 + (b & 15); 1136 } 1137 1138 static bcd_t 1139 bin2bcd(b) 1140 int b; 1141 { 1142 1143 return ((b / 10) << 4) | (b % 10); 1144 } 1145 1146 static void 1147 hsg2msf(hsg, msf) 1148 int hsg; 1149 bcd_t *msf; 1150 { 1151 1152 hsg += 150; 1153 F_msf(msf) = bin2bcd(hsg % 75); 1154 hsg /= 75; 1155 S_msf(msf) = bin2bcd(hsg % 60); 1156 hsg /= 60; 1157 M_msf(msf) = bin2bcd(hsg); 1158 } 1159 1160 static daddr_t 1161 msf2hsg(msf, relative) 1162 bcd_t *msf; 1163 int relative; 1164 { 1165 daddr_t blkno; 1166 1167 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1168 bcd2bin(S_msf(msf)) * 75 + 1169 bcd2bin(F_msf(msf)); 1170 if (!relative) 1171 blkno -= 150; 1172 return blkno; 1173 } 1174 1175 void 1176 mcd_pseudointr(v) 1177 void *v; 1178 { 1179 struct mcd_softc *sc = v; 1180 int s; 1181 1182 s = splbio(); 1183 (void) mcdintr(sc); 1184 splx(s); 1185 } 1186 1187 /* 1188 * State machine to process read requests. 1189 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1190 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1191 * MCD_S_WAITREAD: wait for read ready, read data. 1192 */ 1193 int 1194 mcdintr(arg) 1195 void *arg; 1196 { 1197 struct mcd_softc *sc = arg; 1198 struct mcd_mbx *mbx = &sc->mbx; 1199 struct buf *bp = mbx->bp; 1200 bus_space_tag_t iot = sc->sc_iot; 1201 bus_space_handle_t ioh = sc->sc_ioh; 1202 1203 int i; 1204 u_char x; 1205 bcd_t msf[3]; 1206 1207 switch (mbx->state) { 1208 case MCD_S_IDLE: 1209 return 0; 1210 1211 case MCD_S_BEGIN: 1212 tryagain: 1213 if (mbx->mode == sc->lastmode) 1214 goto firstblock; 1215 1216 sc->lastmode = MCD_MD_UNKNOWN; 1217 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1218 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1219 1220 mbx->count = RDELAY_WAITMODE; 1221 mbx->state = MCD_S_WAITMODE; 1222 1223 case MCD_S_WAITMODE: 1224 callout_stop(&sc->sc_pintr_ch); 1225 for (i = 20; i; i--) { 1226 x = bus_space_read_1(iot, ioh, MCD_XFER); 1227 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1228 break; 1229 delay(50); 1230 } 1231 if (i == 0) 1232 goto hold; 1233 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1234 mcd_setflags(sc); 1235 if ((sc->flags & MCDF_LOADED) == 0) 1236 goto changed; 1237 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1238 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1239 1240 sc->lastmode = mbx->mode; 1241 1242 firstblock: 1243 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1244 bp, 0, 0); 1245 1246 /* Build parameter block. */ 1247 hsg2msf(mbx->blkno, msf); 1248 1249 /* Send the read command. */ 1250 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1251 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1252 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1253 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1254 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1255 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1256 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1257 1258 mbx->count = RDELAY_WAITREAD; 1259 mbx->state = MCD_S_WAITREAD; 1260 1261 case MCD_S_WAITREAD: 1262 callout_stop(&sc->sc_pintr_ch); 1263 nextblock: 1264 loop: 1265 for (i = 20; i; i--) { 1266 x = bus_space_read_1(iot, ioh, MCD_XFER); 1267 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1268 goto gotblock; 1269 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1270 break; 1271 delay(50); 1272 } 1273 if (i == 0) 1274 goto hold; 1275 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1276 mcd_setflags(sc); 1277 if ((sc->flags & MCDF_LOADED) == 0) 1278 goto changed; 1279 #if 0 1280 printf("%s: got status byte %02x during read\n", 1281 sc->sc_dev.dv_xname, (u_int)sc->status); 1282 #endif 1283 goto loop; 1284 1285 gotblock: 1286 MCD_TRACE("doread: got data delay=%d\n", 1287 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1288 1289 /* Data is ready. */ 1290 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1291 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1292 bp->b_data + mbx->skip, mbx->sz); 1293 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1294 mbx->blkno += 1; 1295 mbx->skip += mbx->sz; 1296 if (--mbx->nblk > 0) 1297 goto nextblock; 1298 1299 mbx->state = MCD_S_IDLE; 1300 1301 /* Return buffer. */ 1302 bp->b_resid = 0; 1303 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1304 biodone(bp); 1305 1306 mcdstart(sc); 1307 return 1; 1308 1309 hold: 1310 if (mbx->count-- < 0) { 1311 printf("%s: timeout in state %d", 1312 sc->sc_dev.dv_xname, mbx->state); 1313 goto readerr; 1314 } 1315 1316 #if 0 1317 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1318 mbx->state); 1319 #endif 1320 callout_reset(&sc->sc_pintr_ch, hz / 100, 1321 mcd_pseudointr, sc); 1322 return -1; 1323 } 1324 1325 readerr: 1326 if (mbx->retry-- > 0) { 1327 printf("; retrying\n"); 1328 goto tryagain; 1329 } else 1330 printf("; giving up\n"); 1331 1332 changed: 1333 /* Invalidate the buffer. */ 1334 bp->b_flags |= B_ERROR; 1335 bp->b_resid = bp->b_bcount - mbx->skip; 1336 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1337 biodone(bp); 1338 1339 mcdstart(sc); 1340 return -1; 1341 1342 #ifdef notyet 1343 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1344 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1345 delay(300000); 1346 (void) mcd_getstat(sc, 1); 1347 (void) mcd_getstat(sc, 1); 1348 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1349 sc->debug = 1; /* preventive set debug mode */ 1350 #endif 1351 } 1352 1353 void 1354 mcd_soft_reset(sc) 1355 struct mcd_softc *sc; 1356 { 1357 1358 sc->debug = 0; 1359 sc->flags = 0; 1360 sc->lastmode = MCD_MD_UNKNOWN; 1361 sc->lastupc = MCD_UPC_UNKNOWN; 1362 sc->audio_status = CD_AS_AUDIO_INVALID; 1363 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1364 } 1365 1366 int 1367 mcd_hard_reset(sc) 1368 struct mcd_softc *sc; 1369 { 1370 struct mcd_mbox mbx; 1371 1372 mcd_soft_reset(sc); 1373 1374 mbx.cmd.opcode = MCD_CMDRESET; 1375 mbx.cmd.length = 0; 1376 mbx.res.length = 0; 1377 return mcd_send(sc, &mbx, 0); 1378 } 1379 1380 int 1381 mcd_setmode(sc, mode) 1382 struct mcd_softc *sc; 1383 int mode; 1384 { 1385 struct mcd_mbox mbx; 1386 int error; 1387 1388 if (sc->lastmode == mode) 1389 return 0; 1390 if (sc->debug) 1391 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1392 sc->lastmode = MCD_MD_UNKNOWN; 1393 1394 mbx.cmd.opcode = MCD_CMDSETMODE; 1395 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1396 mbx.cmd.data.datamode.mode = mode; 1397 mbx.res.length = 0; 1398 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1399 return error; 1400 1401 sc->lastmode = mode; 1402 return 0; 1403 } 1404 1405 int 1406 mcd_setupc(sc, upc) 1407 struct mcd_softc *sc; 1408 int upc; 1409 { 1410 struct mcd_mbox mbx; 1411 int error; 1412 1413 if (sc->lastupc == upc) 1414 return 0; 1415 if (sc->debug) 1416 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1417 sc->lastupc = MCD_UPC_UNKNOWN; 1418 1419 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1420 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1421 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1422 mbx.cmd.data.config.data1 = upc; 1423 mbx.res.length = 0; 1424 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1425 return error; 1426 1427 sc->lastupc = upc; 1428 return 0; 1429 } 1430 1431 int 1432 mcd_toc_header(sc, th) 1433 struct mcd_softc *sc; 1434 struct ioc_toc_header *th; 1435 { 1436 1437 if (sc->debug) 1438 printf("%s: mcd_toc_header: reading toc header\n", 1439 sc->sc_dev.dv_xname); 1440 1441 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1442 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1443 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1444 1445 return 0; 1446 } 1447 1448 int 1449 mcd_read_toc(sc) 1450 struct mcd_softc *sc; 1451 { 1452 struct ioc_toc_header th; 1453 union mcd_qchninfo q; 1454 int error, trk, idx, retry; 1455 1456 if ((error = mcd_toc_header(sc, &th)) != 0) 1457 return error; 1458 1459 if ((error = mcd_stop(sc)) != 0) 1460 return error; 1461 1462 if (sc->debug) 1463 printf("%s: read_toc: reading qchannel info\n", 1464 sc->sc_dev.dv_xname); 1465 1466 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1467 sc->toc[trk].toc.idx_no = 0x00; 1468 trk = th.ending_track - th.starting_track + 1; 1469 for (retry = 300; retry && trk > 0; retry--) { 1470 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1471 break; 1472 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1473 continue; 1474 idx = bcd2bin(q.toc.idx_no); 1475 if (idx < MCD_MAXTOCS && 1476 sc->toc[idx].toc.idx_no == 0x00) { 1477 sc->toc[idx] = q; 1478 trk--; 1479 } 1480 } 1481 1482 /* Inform the drive that we're finished so it turns off the light. */ 1483 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1484 return error; 1485 1486 if (trk != 0) 1487 return EINVAL; 1488 1489 /* Add a fake last+1 for mcd_playtracks(). */ 1490 idx = th.ending_track + 1; 1491 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1492 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1493 sc->toc[idx].toc.trk_no = 0x00; 1494 sc->toc[idx].toc.idx_no = 0xaa; 1495 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1496 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1497 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1498 1499 return 0; 1500 } 1501 1502 int 1503 mcd_toc_entries(sc, te) 1504 struct mcd_softc *sc; 1505 struct ioc_read_toc_entry *te; 1506 { 1507 int len = te->data_len; 1508 struct ret_toc { 1509 struct ioc_toc_header header; 1510 struct cd_toc_entry entries[MCD_MAXTOCS]; 1511 } data; 1512 u_char trk; 1513 daddr_t lba; 1514 int error, n; 1515 1516 if (len > sizeof(data.entries) || 1517 len < sizeof(struct cd_toc_entry)) 1518 return EINVAL; 1519 if (te->address_format != CD_MSF_FORMAT && 1520 te->address_format != CD_LBA_FORMAT) 1521 return EINVAL; 1522 1523 /* Copy the TOC header. */ 1524 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1525 return error; 1526 1527 /* Verify starting track. */ 1528 trk = te->starting_track; 1529 if (trk == 0x00) 1530 trk = data.header.starting_track; 1531 else if (trk == 0xaa) 1532 trk = data.header.ending_track + 1; 1533 else if (trk < data.header.starting_track || 1534 trk > data.header.ending_track + 1) 1535 return EINVAL; 1536 1537 /* Copy the TOC data. */ 1538 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1539 if (sc->toc[trk].toc.idx_no == 0x00) 1540 continue; 1541 data.entries[n].control = sc->toc[trk].toc.control; 1542 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1543 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1544 switch (te->address_format) { 1545 case CD_MSF_FORMAT: 1546 data.entries[n].addr.addr[0] = 0; 1547 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1548 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1549 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1550 break; 1551 case CD_LBA_FORMAT: 1552 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1553 data.entries[n].addr.addr[0] = lba >> 24; 1554 data.entries[n].addr.addr[1] = lba >> 16; 1555 data.entries[n].addr.addr[2] = lba >> 8; 1556 data.entries[n].addr.addr[3] = lba; 1557 break; 1558 } 1559 n++; 1560 } 1561 1562 len = min(len, n * sizeof(struct cd_toc_entry)); 1563 1564 /* Copy the data back. */ 1565 return copyout(&data.entries[0], te->data, len); 1566 } 1567 1568 int 1569 mcd_stop(sc) 1570 struct mcd_softc *sc; 1571 { 1572 struct mcd_mbox mbx; 1573 int error; 1574 1575 if (sc->debug) 1576 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1577 1578 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1579 mbx.cmd.length = 0; 1580 mbx.res.length = 0; 1581 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1582 return error; 1583 1584 sc->audio_status = CD_AS_PLAY_COMPLETED; 1585 return 0; 1586 } 1587 1588 int 1589 mcd_getqchan(sc, q, qchn) 1590 struct mcd_softc *sc; 1591 union mcd_qchninfo *q; 1592 int qchn; 1593 { 1594 struct mcd_mbox mbx; 1595 int error; 1596 1597 if (qchn == CD_TRACK_INFO) { 1598 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1599 return error; 1600 } else { 1601 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1602 return error; 1603 } 1604 if (qchn == CD_MEDIA_CATALOG) { 1605 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1606 return error; 1607 } else { 1608 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1609 return error; 1610 } 1611 1612 mbx.cmd.opcode = MCD_CMDGETQCHN; 1613 mbx.cmd.length = 0; 1614 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1615 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1616 return error; 1617 1618 *q = mbx.res.data.qchninfo; 1619 return 0; 1620 } 1621 1622 int 1623 mcd_read_subchannel(sc, ch) 1624 struct mcd_softc *sc; 1625 struct ioc_read_subchannel *ch; 1626 { 1627 int len = ch->data_len; 1628 union mcd_qchninfo q; 1629 struct cd_sub_channel_info data; 1630 daddr_t lba; 1631 int error; 1632 1633 if (sc->debug) 1634 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1635 ch->address_format, ch->data_format); 1636 1637 if (len > sizeof(data) || 1638 len < sizeof(struct cd_sub_channel_header)) 1639 return EINVAL; 1640 if (ch->address_format != CD_MSF_FORMAT && 1641 ch->address_format != CD_LBA_FORMAT) 1642 return EINVAL; 1643 if (ch->data_format != CD_CURRENT_POSITION && 1644 ch->data_format != CD_MEDIA_CATALOG) 1645 return EINVAL; 1646 1647 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1648 return error; 1649 1650 data.header.audio_status = sc->audio_status; 1651 data.what.media_catalog.data_format = ch->data_format; 1652 1653 switch (ch->data_format) { 1654 case CD_MEDIA_CATALOG: 1655 data.what.media_catalog.mc_valid = 1; 1656 #if 0 1657 data.what.media_catalog.mc_number = 1658 #endif 1659 break; 1660 1661 case CD_CURRENT_POSITION: 1662 data.what.position.track_number = bcd2bin(q.current.trk_no); 1663 data.what.position.index_number = bcd2bin(q.current.idx_no); 1664 switch (ch->address_format) { 1665 case CD_MSF_FORMAT: 1666 data.what.position.reladdr.addr[0] = 0; 1667 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1668 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1669 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1670 data.what.position.absaddr.addr[0] = 0; 1671 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1672 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1673 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1674 break; 1675 case CD_LBA_FORMAT: 1676 lba = msf2hsg(q.current.relative_pos, 1); 1677 /* 1678 * Pre-gap has index number of 0, and decreasing MSF 1679 * address. Must be converted to negative LBA, per 1680 * SCSI spec. 1681 */ 1682 if (data.what.position.index_number == 0x00) 1683 lba = -lba; 1684 data.what.position.reladdr.addr[0] = lba >> 24; 1685 data.what.position.reladdr.addr[1] = lba >> 16; 1686 data.what.position.reladdr.addr[2] = lba >> 8; 1687 data.what.position.reladdr.addr[3] = lba; 1688 lba = msf2hsg(q.current.absolute_pos, 0); 1689 data.what.position.absaddr.addr[0] = lba >> 24; 1690 data.what.position.absaddr.addr[1] = lba >> 16; 1691 data.what.position.absaddr.addr[2] = lba >> 8; 1692 data.what.position.absaddr.addr[3] = lba; 1693 break; 1694 } 1695 break; 1696 } 1697 1698 return copyout(&data, ch->data, len); 1699 } 1700 1701 int 1702 mcd_playtracks(sc, p) 1703 struct mcd_softc *sc; 1704 struct ioc_play_track *p; 1705 { 1706 struct mcd_mbox mbx; 1707 int a = p->start_track; 1708 int z = p->end_track; 1709 int error; 1710 1711 if (sc->debug) 1712 printf("%s: playtracks: from %d:%d to %d:%d\n", 1713 sc->sc_dev.dv_xname, 1714 a, p->start_index, z, p->end_index); 1715 1716 if (a < bcd2bin(sc->volinfo.trk_low) || 1717 a > bcd2bin(sc->volinfo.trk_high) || 1718 a > z || 1719 z < bcd2bin(sc->volinfo.trk_low) || 1720 z > bcd2bin(sc->volinfo.trk_high)) 1721 return EINVAL; 1722 1723 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1724 return error; 1725 1726 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1727 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1728 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1729 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1730 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1731 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1732 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1733 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1734 sc->lastpb = mbx.cmd; 1735 mbx.res.length = 0; 1736 return mcd_send(sc, &mbx, 1); 1737 } 1738 1739 int 1740 mcd_playmsf(sc, p) 1741 struct mcd_softc *sc; 1742 struct ioc_play_msf *p; 1743 { 1744 struct mcd_mbox mbx; 1745 int error; 1746 1747 if (sc->debug) 1748 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1749 sc->sc_dev.dv_xname, 1750 p->start_m, p->start_s, p->start_f, 1751 p->end_m, p->end_s, p->end_f); 1752 1753 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1754 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1755 return EINVAL; 1756 1757 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1758 return error; 1759 1760 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1761 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1762 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1763 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1764 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1765 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1766 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1767 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1768 sc->lastpb = mbx.cmd; 1769 mbx.res.length = 0; 1770 return mcd_send(sc, &mbx, 1); 1771 } 1772 1773 int 1774 mcd_playblocks(sc, p) 1775 struct mcd_softc *sc; 1776 struct ioc_play_blocks *p; 1777 { 1778 struct mcd_mbox mbx; 1779 int error; 1780 1781 if (sc->debug) 1782 printf("%s: playblocks: blkno %d length %d\n", 1783 sc->sc_dev.dv_xname, p->blk, p->len); 1784 1785 if (p->blk > sc->disksize || p->len > sc->disksize || 1786 (p->blk + p->len) > sc->disksize) 1787 return 0; 1788 1789 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1790 return error; 1791 1792 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1793 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1794 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1795 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1796 sc->lastpb = mbx.cmd; 1797 mbx.res.length = 0; 1798 return mcd_send(sc, &mbx, 1); 1799 } 1800 1801 int 1802 mcd_pause(sc) 1803 struct mcd_softc *sc; 1804 { 1805 union mcd_qchninfo q; 1806 int error; 1807 1808 /* Verify current status. */ 1809 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1810 printf("%s: pause: attempted when not playing\n", 1811 sc->sc_dev.dv_xname); 1812 return EINVAL; 1813 } 1814 1815 /* Get the current position. */ 1816 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1817 return error; 1818 1819 /* Copy it into lastpb. */ 1820 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1821 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1822 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1823 1824 /* Stop playing. */ 1825 if ((error = mcd_stop(sc)) != 0) 1826 return error; 1827 1828 /* Set the proper status and exit. */ 1829 sc->audio_status = CD_AS_PLAY_PAUSED; 1830 return 0; 1831 } 1832 1833 int 1834 mcd_resume(sc) 1835 struct mcd_softc *sc; 1836 { 1837 struct mcd_mbox mbx; 1838 int error; 1839 1840 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1841 return EINVAL; 1842 1843 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1844 return error; 1845 1846 mbx.cmd = sc->lastpb; 1847 mbx.res.length = 0; 1848 return mcd_send(sc, &mbx, 1); 1849 } 1850 1851 int 1852 mcd_eject(sc) 1853 struct mcd_softc *sc; 1854 { 1855 struct mcd_mbox mbx; 1856 1857 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1858 mbx.cmd.length = 0; 1859 mbx.res.length = 0; 1860 return mcd_send(sc, &mbx, 0); 1861 } 1862 1863 int 1864 mcd_setlock(sc, mode) 1865 struct mcd_softc *sc; 1866 int mode; 1867 { 1868 struct mcd_mbox mbx; 1869 1870 mbx.cmd.opcode = MCD_CMDSETLOCK; 1871 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1872 mbx.cmd.data.lockmode.mode = mode; 1873 mbx.res.length = 0; 1874 return mcd_send(sc, &mbx, 1); 1875 } 1876