mcd.c revision 1.66.4.2
1 /* $NetBSD: mcd.c,v 1.66.4.2 2001/05/26 16:22:14 he Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * Copyright 1993 by Holger Veit (data part) 21 * Copyright 1993 by Brian Moore (audio part) 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This software was developed by Holger Veit and Brian Moore 35 * for use with "386BSD" and similar operating systems. 36 * "Similar operating systems" includes mainly non-profit oriented 37 * systems for research and education, including but not restricted to 38 * "NetBSD", "FreeBSD", "Mach" (by CMU). 39 * 4. Neither the name of the developer(s) nor the name "386BSD" 40 * may be used to endorse or promote products derived from this 41 * software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/ 57 58 #include <sys/types.h> 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/callout.h> 62 #include <sys/kernel.h> 63 #include <sys/proc.h> 64 #include <sys/conf.h> 65 #include <sys/file.h> 66 #include <sys/buf.h> 67 #include <sys/stat.h> 68 #include <sys/uio.h> 69 #include <sys/ioctl.h> 70 #include <sys/cdio.h> 71 #include <sys/errno.h> 72 #include <sys/disklabel.h> 73 #include <sys/device.h> 74 #include <sys/disk.h> 75 76 #include <machine/cpu.h> 77 #include <machine/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/isa/isavar.h> 81 #include <dev/isa/mcdreg.h> 82 83 #ifndef MCDDEBUG 84 #define MCD_TRACE(fmt,a,b,c,d) 85 #else 86 #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);}} 87 #endif 88 89 #define MCDPART(dev) DISKPART(dev) 90 #define MCDUNIT(dev) DISKUNIT(dev) 91 92 /* toc */ 93 #define MCD_MAXTOCS 104 /* from the Linux driver */ 94 95 /* control promiscuous match */ 96 #include "opt_mcd_promisc.h" 97 98 #ifdef MCD_PROMISC 99 int mcd_promisc = 1; 100 #else 101 int mcd_promisc = 0; 102 #endif 103 104 struct mcd_mbx { 105 int retry, count; 106 struct buf *bp; 107 daddr_t blkno; 108 int nblk; 109 int sz; 110 u_long skip; 111 int state; 112 #define MCD_S_IDLE 0 113 #define MCD_S_BEGIN 1 114 #define MCD_S_WAITMODE 2 115 #define MCD_S_WAITREAD 3 116 int mode; 117 }; 118 119 struct mcd_softc { 120 struct device sc_dev; 121 struct disk sc_dk; 122 void *sc_ih; 123 124 struct callout sc_pintr_ch; 125 126 bus_space_tag_t sc_iot; 127 bus_space_handle_t sc_ioh; 128 129 int irq, drq; 130 131 char *type; 132 int flags; 133 #define MCDF_LOCKED 0x01 134 #define MCDF_WANTED 0x02 135 #define MCDF_WLABEL 0x04 /* label is writable */ 136 #define MCDF_LABELLING 0x08 /* writing label */ 137 #define MCDF_LOADED 0x10 /* parameters loaded */ 138 short status; 139 short audio_status; 140 int blksize; 141 u_long disksize; 142 struct mcd_volinfo volinfo; 143 union mcd_qchninfo toc[MCD_MAXTOCS]; 144 struct mcd_command lastpb; 145 struct mcd_mbx mbx; 146 int lastmode; 147 #define MCD_MD_UNKNOWN -1 148 int lastupc; 149 #define MCD_UPC_UNKNOWN -1 150 struct buf_queue buf_queue; 151 int active; 152 u_char readcmd; 153 u_char debug; 154 u_char probe; 155 }; 156 157 /* prototypes */ 158 /* XXX does not belong here */ 159 cdev_decl(mcd); 160 bdev_decl(mcd); 161 162 static int bcd2bin __P((bcd_t)); 163 static bcd_t bin2bcd __P((int)); 164 static void hsg2msf __P((int, bcd_t *)); 165 static daddr_t msf2hsg __P((bcd_t *, int)); 166 167 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 168 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 169 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 170 int mcd_stop __P((struct mcd_softc *)); 171 int mcd_eject __P((struct mcd_softc *)); 172 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 173 int mcd_pause __P((struct mcd_softc *)); 174 int mcd_resume __P((struct mcd_softc *)); 175 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 176 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 177 178 int mcd_getreply __P((struct mcd_softc *)); 179 int mcd_getstat __P((struct mcd_softc *)); 180 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 181 void mcd_setflags __P((struct mcd_softc *)); 182 int mcd_get __P((struct mcd_softc *, char *, int)); 183 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 184 int mcdintr __P((void *)); 185 void mcd_soft_reset __P((struct mcd_softc *)); 186 int mcd_hard_reset __P((struct mcd_softc *)); 187 int mcd_setmode __P((struct mcd_softc *, int)); 188 int mcd_setupc __P((struct mcd_softc *, int)); 189 int mcd_read_toc __P((struct mcd_softc *)); 190 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 191 int mcd_setlock __P((struct mcd_softc *, int)); 192 193 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 194 int mcdprobe __P((struct device *, struct cfdata *, void *)); 195 void mcdattach __P((struct device *, struct device *, void *)); 196 197 struct cfattach mcd_ca = { 198 sizeof(struct mcd_softc), mcdprobe, mcdattach 199 }; 200 201 extern struct cfdriver mcd_cd; 202 203 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 204 void mcdgetdisklabel __P((struct mcd_softc *)); 205 int mcd_get_parms __P((struct mcd_softc *)); 206 void mcdstrategy __P((struct buf *)); 207 void mcdstart __P((struct mcd_softc *)); 208 int mcdlock __P((struct mcd_softc *)); 209 void mcdunlock __P((struct mcd_softc *)); 210 void mcd_pseudointr __P((void *)); 211 212 struct dkdriver mcddkdriver = { mcdstrategy }; 213 214 #define MCD_RETRIES 3 215 #define MCD_RDRETRIES 3 216 217 /* several delays */ 218 #define RDELAY_WAITMODE 300 219 #define RDELAY_WAITREAD 800 220 221 #define DELAY_GRANULARITY 25 /* 25us */ 222 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 223 224 void 225 mcdattach(parent, self, aux) 226 struct device *parent, *self; 227 void *aux; 228 { 229 struct mcd_softc *sc = (void *)self; 230 struct isa_attach_args *ia = aux; 231 bus_space_tag_t iot = ia->ia_iot; 232 bus_space_handle_t ioh; 233 struct mcd_mbox mbx; 234 235 /* Map i/o space */ 236 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 237 printf(": can't map i/o space\n"); 238 return; 239 } 240 241 sc->sc_iot = iot; 242 sc->sc_ioh = ioh; 243 244 sc->probe = 0; 245 sc->debug = 0; 246 247 if (!mcd_find(iot, ioh, sc)) { 248 printf(": mcd_find failed\n"); 249 return; 250 } 251 252 BUFQ_INIT(&sc->buf_queue); 253 callout_init(&sc->sc_pintr_ch); 254 255 /* 256 * Initialize and attach the disk structure. 257 */ 258 sc->sc_dk.dk_driver = &mcddkdriver; 259 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 260 disk_attach(&sc->sc_dk); 261 262 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 263 264 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 265 266 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 267 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 268 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 269 mbx.cmd.data.config.data1 = 0x01; 270 mbx.res.length = 0; 271 (void) mcd_send(sc, &mbx, 0); 272 273 mcd_soft_reset(sc); 274 275 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 276 IPL_BIO, mcdintr, sc); 277 } 278 279 /* 280 * Wait interruptibly for an exclusive lock. 281 * 282 * XXX 283 * Several drivers do this; it should be abstracted and made MP-safe. 284 */ 285 int 286 mcdlock(sc) 287 struct mcd_softc *sc; 288 { 289 int error; 290 291 while ((sc->flags & MCDF_LOCKED) != 0) { 292 sc->flags |= MCDF_WANTED; 293 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 294 return error; 295 } 296 sc->flags |= MCDF_LOCKED; 297 return 0; 298 } 299 300 /* 301 * Unlock and wake up any waiters. 302 */ 303 void 304 mcdunlock(sc) 305 struct mcd_softc *sc; 306 { 307 308 sc->flags &= ~MCDF_LOCKED; 309 if ((sc->flags & MCDF_WANTED) != 0) { 310 sc->flags &= ~MCDF_WANTED; 311 wakeup(sc); 312 } 313 } 314 315 int 316 mcdopen(dev, flag, fmt, p) 317 dev_t dev; 318 int flag, fmt; 319 struct proc *p; 320 { 321 int error; 322 int unit, part; 323 struct mcd_softc *sc; 324 325 unit = MCDUNIT(dev); 326 if (unit >= mcd_cd.cd_ndevs) 327 return ENXIO; 328 sc = mcd_cd.cd_devs[unit]; 329 if (!sc) 330 return ENXIO; 331 332 if ((error = mcdlock(sc)) != 0) 333 return error; 334 335 if (sc->sc_dk.dk_openmask != 0) { 336 /* 337 * If any partition is open, but the disk has been invalidated, 338 * disallow further opens. 339 */ 340 if ((sc->flags & MCDF_LOADED) == 0) { 341 error = EIO; 342 goto bad3; 343 } 344 } else { 345 /* 346 * Lock the drawer. This will also notice any pending disk 347 * change or door open indicator and clear the MCDF_LOADED bit 348 * if necessary. 349 */ 350 (void) mcd_setlock(sc, MCD_LK_LOCK); 351 352 if ((sc->flags & MCDF_LOADED) == 0) { 353 /* Partially reset the state. */ 354 sc->lastmode = MCD_MD_UNKNOWN; 355 sc->lastupc = MCD_UPC_UNKNOWN; 356 357 sc->flags |= MCDF_LOADED; 358 359 /* Set the mode, causing the disk to spin up. */ 360 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 361 goto bad2; 362 363 /* Load the physical device parameters. */ 364 if (mcd_get_parms(sc) != 0) { 365 error = ENXIO; 366 goto bad2; 367 } 368 369 /* Read the table of contents. */ 370 if ((error = mcd_read_toc(sc)) != 0) 371 goto bad2; 372 373 /* Fabricate a disk label. */ 374 mcdgetdisklabel(sc); 375 } 376 } 377 378 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 379 sc->disksize, sc->blksize, 0); 380 381 part = MCDPART(dev); 382 383 /* Check that the partition exists. */ 384 if (part != RAW_PART && 385 (part >= sc->sc_dk.dk_label->d_npartitions || 386 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 387 error = ENXIO; 388 goto bad; 389 } 390 391 /* Insure only one open at a time. */ 392 switch (fmt) { 393 case S_IFCHR: 394 sc->sc_dk.dk_copenmask |= (1 << part); 395 break; 396 case S_IFBLK: 397 sc->sc_dk.dk_bopenmask |= (1 << part); 398 break; 399 } 400 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 401 402 mcdunlock(sc); 403 return 0; 404 405 bad2: 406 sc->flags &= ~MCDF_LOADED; 407 408 bad: 409 if (sc->sc_dk.dk_openmask == 0) { 410 #if 0 411 (void) mcd_setmode(sc, MCD_MD_SLEEP); 412 #endif 413 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 414 } 415 416 bad3: 417 mcdunlock(sc); 418 return error; 419 } 420 421 int 422 mcdclose(dev, flag, fmt, p) 423 dev_t dev; 424 int flag, fmt; 425 struct proc *p; 426 { 427 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 428 int part = MCDPART(dev); 429 int error; 430 431 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 432 433 if ((error = mcdlock(sc)) != 0) 434 return error; 435 436 switch (fmt) { 437 case S_IFCHR: 438 sc->sc_dk.dk_copenmask &= ~(1 << part); 439 break; 440 case S_IFBLK: 441 sc->sc_dk.dk_bopenmask &= ~(1 << part); 442 break; 443 } 444 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 445 446 if (sc->sc_dk.dk_openmask == 0) { 447 /* XXXX Must wait for I/O to complete! */ 448 449 #if 0 450 (void) mcd_setmode(sc, MCD_MD_SLEEP); 451 #endif 452 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 453 } 454 455 mcdunlock(sc); 456 return 0; 457 } 458 459 void 460 mcdstrategy(bp) 461 struct buf *bp; 462 { 463 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 464 struct disklabel *lp = sc->sc_dk.dk_label; 465 daddr_t blkno; 466 int s; 467 468 /* Test validity. */ 469 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 470 bp->b_blkno, bp->b_bcount, 0); 471 if (bp->b_blkno < 0 || 472 (bp->b_bcount % sc->blksize) != 0) { 473 printf("%s: strategy: blkno = %d bcount = %ld\n", 474 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 475 bp->b_error = EINVAL; 476 goto bad; 477 } 478 479 /* If device invalidated (e.g. media change, door open), error. */ 480 if ((sc->flags & MCDF_LOADED) == 0) { 481 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 482 bp->b_error = EIO; 483 goto bad; 484 } 485 486 /* No data to read. */ 487 if (bp->b_bcount == 0) 488 goto done; 489 490 /* 491 * Do bounds checking, adjust transfer. if error, process. 492 * If end of partition, just return. 493 */ 494 if (MCDPART(bp->b_dev) != RAW_PART && 495 bounds_check_with_label(bp, lp, 496 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 497 goto done; 498 499 /* 500 * Now convert the block number to absolute and put it in 501 * terms of the device's logical block size. 502 */ 503 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 504 if (MCDPART(bp->b_dev) != RAW_PART) 505 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 506 507 bp->b_rawblkno = blkno; 508 509 /* Queue it. */ 510 s = splbio(); 511 disksort_blkno(&sc->buf_queue, bp); 512 splx(s); 513 if (!sc->active) 514 mcdstart(sc); 515 return; 516 517 bad: 518 bp->b_flags |= B_ERROR; 519 done: 520 bp->b_resid = bp->b_bcount; 521 biodone(bp); 522 } 523 524 void 525 mcdstart(sc) 526 struct mcd_softc *sc; 527 { 528 struct buf *bp; 529 int s; 530 531 loop: 532 s = splbio(); 533 534 if ((bp = BUFQ_FIRST(&sc->buf_queue)) == NULL) { 535 /* Nothing to do. */ 536 sc->active = 0; 537 splx(s); 538 return; 539 } 540 541 /* Block found to process; dequeue. */ 542 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 543 BUFQ_REMOVE(&sc->buf_queue, bp); 544 splx(s); 545 546 /* Changed media? */ 547 if ((sc->flags & MCDF_LOADED) == 0) { 548 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 549 bp->b_error = EIO; 550 bp->b_flags |= B_ERROR; 551 biodone(bp); 552 goto loop; 553 } 554 555 sc->active = 1; 556 557 /* Instrumentation. */ 558 s = splbio(); 559 disk_busy(&sc->sc_dk); 560 splx(s); 561 562 sc->mbx.retry = MCD_RDRETRIES; 563 sc->mbx.bp = bp; 564 sc->mbx.blkno = bp->b_rawblkno; 565 sc->mbx.nblk = bp->b_bcount / sc->blksize; 566 sc->mbx.sz = sc->blksize; 567 sc->mbx.skip = 0; 568 sc->mbx.state = MCD_S_BEGIN; 569 sc->mbx.mode = MCD_MD_COOKED; 570 571 s = splbio(); 572 (void) mcdintr(sc); 573 splx(s); 574 } 575 576 int 577 mcdread(dev, uio, flags) 578 dev_t dev; 579 struct uio *uio; 580 int flags; 581 { 582 583 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 584 } 585 586 int 587 mcdwrite(dev, uio, flags) 588 dev_t dev; 589 struct uio *uio; 590 int flags; 591 { 592 593 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 594 } 595 596 int 597 mcdioctl(dev, cmd, addr, flag, p) 598 dev_t dev; 599 u_long cmd; 600 caddr_t addr; 601 int flag; 602 struct proc *p; 603 { 604 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 605 int error; 606 int part; 607 #ifdef __HAVE_OLD_DISKLABEL 608 struct disklabel newlabel; 609 #endif 610 611 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 612 613 if ((sc->flags & MCDF_LOADED) == 0) 614 return EIO; 615 616 part = MCDPART(dev); 617 switch (cmd) { 618 case DIOCGDINFO: 619 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 620 return 0; 621 #ifdef __HAVE_OLD_DISKLABEL 622 case ODIOCGDINFO: 623 newlabel = *(sc->sc_dk.dk_label); 624 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 625 return ENOTTY; 626 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 627 return 0; 628 #endif 629 630 case DIOCGPART: 631 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 632 ((struct partinfo *)addr)->part = 633 &sc->sc_dk.dk_label->d_partitions[part]; 634 return 0; 635 636 case DIOCWDINFO: 637 case DIOCSDINFO: 638 #ifdef __HAVE_OLD_DISKLABEL 639 case ODIOCWDINFO: 640 case ODIOCSDINFO: 641 #endif 642 { 643 struct disklabel *lp; 644 645 if ((flag & FWRITE) == 0) 646 return EBADF; 647 648 #ifdef __HAVE_OLD_DISKLABEL 649 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 650 memset(&newlabel, 0, sizeof newlabel); 651 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 652 lp = &newlabel; 653 } else 654 #endif 655 lp = (struct disklabel *)addr; 656 657 if ((error = mcdlock(sc)) != 0) 658 return error; 659 sc->flags |= MCDF_LABELLING; 660 661 error = setdisklabel(sc->sc_dk.dk_label, 662 lp, /*sc->sc_dk.dk_openmask : */0, 663 sc->sc_dk.dk_cpulabel); 664 if (error == 0) { 665 } 666 667 sc->flags &= ~MCDF_LABELLING; 668 mcdunlock(sc); 669 return error; 670 } 671 672 case DIOCWLABEL: 673 return EBADF; 674 675 case DIOCGDEFLABEL: 676 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 677 return 0; 678 679 #ifdef __HAVE_OLD_DISKLABEL 680 case ODIOCGDEFLABEL: 681 mcdgetdefaultlabel(sc, &newlabel); 682 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 683 return ENOTTY; 684 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 685 return 0; 686 #endif 687 688 case CDIOCPLAYTRACKS: 689 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 690 case CDIOCPLAYMSF: 691 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 692 case CDIOCPLAYBLOCKS: 693 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 694 case CDIOCREADSUBCHANNEL: 695 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 696 case CDIOREADTOCHEADER: 697 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 698 case CDIOREADTOCENTRYS: 699 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 700 case CDIOCSETPATCH: 701 case CDIOCGETVOL: 702 case CDIOCSETVOL: 703 case CDIOCSETMONO: 704 case CDIOCSETSTEREO: 705 case CDIOCSETMUTE: 706 case CDIOCSETLEFT: 707 case CDIOCSETRIGHT: 708 return EINVAL; 709 case CDIOCRESUME: 710 return mcd_resume(sc); 711 case CDIOCPAUSE: 712 return mcd_pause(sc); 713 case CDIOCSTART: 714 return EINVAL; 715 case CDIOCSTOP: 716 return mcd_stop(sc); 717 case DIOCEJECT: 718 if (*(int *)addr == 0) { 719 /* 720 * Don't force eject: check that we are the only 721 * partition open. If so, unlock it. 722 */ 723 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 724 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 725 sc->sc_dk.dk_openmask) { 726 error = mcd_setlock(sc, MCD_LK_UNLOCK); 727 if (error) 728 return (error); 729 } else { 730 return (EBUSY); 731 } 732 } 733 /* FALLTHROUGH */ 734 case CDIOCEJECT: /* FALLTHROUGH */ 735 case ODIOCEJECT: 736 return mcd_eject(sc); 737 case CDIOCALLOW: 738 return mcd_setlock(sc, MCD_LK_UNLOCK); 739 case CDIOCPREVENT: 740 return mcd_setlock(sc, MCD_LK_LOCK); 741 case DIOCLOCK: 742 return mcd_setlock(sc, 743 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 744 case CDIOCSETDEBUG: 745 sc->debug = 1; 746 return 0; 747 case CDIOCCLRDEBUG: 748 sc->debug = 0; 749 return 0; 750 case CDIOCRESET: 751 return mcd_hard_reset(sc); 752 753 default: 754 return ENOTTY; 755 } 756 757 #ifdef DIAGNOSTIC 758 panic("mcdioctl: impossible"); 759 #endif 760 } 761 762 void 763 mcdgetdefaultlabel(sc, lp) 764 struct mcd_softc *sc; 765 struct disklabel *lp; 766 { 767 768 bzero(lp, sizeof(struct disklabel)); 769 770 lp->d_secsize = sc->blksize; 771 lp->d_ntracks = 1; 772 lp->d_nsectors = 100; 773 lp->d_ncylinders = (sc->disksize / 100) + 1; 774 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 775 776 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 777 lp->d_type = 0; /* XXX */ 778 strncpy(lp->d_packname, "fictitious", 16); 779 lp->d_secperunit = sc->disksize; 780 lp->d_rpm = 300; 781 lp->d_interleave = 1; 782 lp->d_flags = D_REMOVABLE; 783 784 lp->d_partitions[0].p_offset = 0; 785 lp->d_partitions[0].p_size = 786 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 787 lp->d_partitions[0].p_fstype = FS_ISO9660; 788 lp->d_partitions[RAW_PART].p_offset = 0; 789 lp->d_partitions[RAW_PART].p_size = 790 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 791 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 792 lp->d_npartitions = RAW_PART + 1; 793 794 lp->d_magic = DISKMAGIC; 795 lp->d_magic2 = DISKMAGIC; 796 lp->d_checksum = dkcksum(lp); 797 } 798 799 /* 800 * This could have been taken from scsi/cd.c, but it is not clear 801 * whether the scsi cd driver is linked in. 802 */ 803 void 804 mcdgetdisklabel(sc) 805 struct mcd_softc *sc; 806 { 807 struct disklabel *lp = sc->sc_dk.dk_label; 808 809 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 810 811 mcdgetdefaultlabel(sc, lp); 812 } 813 814 int 815 mcd_get_parms(sc) 816 struct mcd_softc *sc; 817 { 818 struct mcd_mbox mbx; 819 daddr_t size; 820 int error; 821 822 /* Send volume info command. */ 823 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 824 mbx.cmd.length = 0; 825 mbx.res.length = sizeof(mbx.res.data.volinfo); 826 if ((error = mcd_send(sc, &mbx, 1)) != 0) 827 return error; 828 829 if (mbx.res.data.volinfo.trk_low == 0x00 && 830 mbx.res.data.volinfo.trk_high == 0x00) 831 return EINVAL; 832 833 /* Volinfo is OK. */ 834 sc->volinfo = mbx.res.data.volinfo; 835 sc->blksize = MCD_BLKSIZE_COOKED; 836 size = msf2hsg(sc->volinfo.vol_msf, 0); 837 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 838 return 0; 839 } 840 841 int 842 mcdsize(dev) 843 dev_t dev; 844 { 845 846 /* CD-ROMs are read-only. */ 847 return -1; 848 } 849 850 int 851 mcddump(dev, blkno, va, size) 852 dev_t dev; 853 daddr_t blkno; 854 caddr_t va; 855 size_t size; 856 { 857 858 /* Not implemented. */ 859 return ENXIO; 860 } 861 862 /* 863 * Find the board and fill in the softc. 864 */ 865 int 866 mcd_find(iot, ioh, sc) 867 bus_space_tag_t iot; 868 bus_space_handle_t ioh; 869 struct mcd_softc *sc; 870 { 871 int i; 872 struct mcd_mbox mbx; 873 874 sc->sc_iot = iot; 875 sc->sc_ioh = ioh; 876 877 /* Send a reset. */ 878 bus_space_write_1(iot, ioh, MCD_RESET, 0); 879 delay(1000000); 880 /* Get any pending status and throw away. */ 881 for (i = 10; i; i--) 882 bus_space_read_1(iot, ioh, MCD_STATUS); 883 delay(1000); 884 885 /* Send get status command. */ 886 mbx.cmd.opcode = MCD_CMDGETSTAT; 887 mbx.cmd.length = 0; 888 mbx.res.length = 0; 889 if (mcd_send(sc, &mbx, 0) != 0) 890 return 0; 891 892 /* Get info about the drive. */ 893 mbx.cmd.opcode = MCD_CMDCONTINFO; 894 mbx.cmd.length = 0; 895 mbx.res.length = sizeof(mbx.res.data.continfo); 896 if (mcd_send(sc, &mbx, 0) != 0) 897 return 0; 898 899 /* 900 * The following is code which is not guaranteed to work for all 901 * drives, because the meaning of the expected 'M' is not clear 902 * (M_itsumi is an obvious assumption, but I don't trust that). 903 * Also, the original hack had a bogus condition that always 904 * returned true. 905 * 906 * Note: Which models support interrupts? >=LU005S? 907 */ 908 sc->readcmd = MCD_CMDREADSINGLESPEED; 909 switch (mbx.res.data.continfo.code) { 910 case 'M': 911 if (mbx.res.data.continfo.version <= 2) 912 sc->type = "LU002S"; 913 else if (mbx.res.data.continfo.version <= 5) 914 sc->type = "LU005S"; 915 else 916 sc->type = "LU006S"; 917 break; 918 case 'F': 919 sc->type = "FX001"; 920 break; 921 case 'D': 922 sc->type = "FX001D"; 923 sc->readcmd = MCD_CMDREADDOUBLESPEED; 924 break; 925 default: 926 /* 927 * mcd_send() says the response looked OK but the 928 * drive type is unknown. If mcd_promisc, match anyway. 929 */ 930 if (mcd_promisc != 0) 931 return 0; 932 933 #ifdef MCDDEBUG 934 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 935 sc->sc_dev.dv_xname, 936 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 937 #endif 938 sc->type = 0; 939 break; 940 } 941 942 return 1; 943 944 } 945 946 int 947 mcdprobe(parent, match, aux) 948 struct device *parent; 949 struct cfdata *match; 950 void *aux; 951 { 952 struct isa_attach_args *ia = aux; 953 struct mcd_softc sc; 954 bus_space_tag_t iot = ia->ia_iot; 955 bus_space_handle_t ioh; 956 int rv; 957 958 /* Disallow wildcarded i/o address. */ 959 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 960 return (0); 961 962 /* Map i/o space */ 963 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 964 return 0; 965 966 sc.debug = 0; 967 sc.probe = 1; 968 969 rv = mcd_find(iot, ioh, &sc); 970 971 bus_space_unmap(iot, ioh, MCD_NPORT); 972 973 if (rv) { 974 ia->ia_iosize = MCD_NPORT; 975 ia->ia_msize = 0; 976 } 977 978 return (rv); 979 } 980 981 int 982 mcd_getreply(sc) 983 struct mcd_softc *sc; 984 { 985 bus_space_tag_t iot = sc->sc_iot; 986 bus_space_handle_t ioh = sc->sc_ioh; 987 int i; 988 989 /* Wait until xfer port senses data ready. */ 990 for (i = DELAY_GETREPLY; i; i--) { 991 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 992 MCD_XF_STATUSUNAVAIL) == 0) 993 break; 994 delay(DELAY_GRANULARITY); 995 } 996 if (!i) 997 return -1; 998 999 /* Get the data. */ 1000 return bus_space_read_1(iot, ioh, MCD_STATUS); 1001 } 1002 1003 int 1004 mcd_getstat(sc) 1005 struct mcd_softc *sc; 1006 { 1007 struct mcd_mbox mbx; 1008 1009 mbx.cmd.opcode = MCD_CMDGETSTAT; 1010 mbx.cmd.length = 0; 1011 mbx.res.length = 0; 1012 return mcd_send(sc, &mbx, 1); 1013 } 1014 1015 int 1016 mcd_getresult(sc, res) 1017 struct mcd_softc *sc; 1018 struct mcd_result *res; 1019 { 1020 int i, x; 1021 1022 if (sc->debug) 1023 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1024 res->length); 1025 1026 if ((x = mcd_getreply(sc)) < 0) { 1027 if (sc->debug) 1028 printf(" timeout\n"); 1029 else if (!sc->probe) 1030 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1031 return EIO; 1032 } 1033 if (sc->debug) 1034 printf(" %02x", (u_int)x); 1035 sc->status = x; 1036 mcd_setflags(sc); 1037 1038 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1039 return EINVAL; 1040 1041 for (i = 0; i < res->length; i++) { 1042 if ((x = mcd_getreply(sc)) < 0) { 1043 if (sc->debug) 1044 printf(" timeout\n"); 1045 else 1046 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1047 return EIO; 1048 } 1049 if (sc->debug) 1050 printf(" %02x", (u_int)x); 1051 res->data.raw.data[i] = x; 1052 } 1053 1054 if (sc->debug) 1055 printf(" succeeded\n"); 1056 1057 #ifdef MCDDEBUG 1058 delay(10); 1059 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1060 MCD_XF_STATUSUNAVAIL) == 0) { 1061 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1062 printf("%s: got extra byte %02x during getstatus\n", 1063 sc->sc_dev.dv_xname, (u_int)x); 1064 delay(10); 1065 } 1066 #endif 1067 1068 return 0; 1069 } 1070 1071 void 1072 mcd_setflags(sc) 1073 struct mcd_softc *sc; 1074 { 1075 1076 /* Check flags. */ 1077 if ((sc->flags & MCDF_LOADED) != 0 && 1078 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1079 MCD_ST_DSKIN) { 1080 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1081 printf("%s: door open\n", sc->sc_dev.dv_xname); 1082 else if ((sc->status & MCD_ST_DSKIN) == 0) 1083 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1084 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1085 printf("%s: media change\n", sc->sc_dev.dv_xname); 1086 sc->flags &= ~MCDF_LOADED; 1087 } 1088 1089 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1090 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1091 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1092 sc->audio_status == CD_AS_AUDIO_INVALID) 1093 sc->audio_status = CD_AS_PLAY_COMPLETED; 1094 } 1095 1096 int 1097 mcd_send(sc, mbx, diskin) 1098 struct mcd_softc *sc; 1099 struct mcd_mbox *mbx; 1100 int diskin; 1101 { 1102 int retry, i, error; 1103 bus_space_tag_t iot = sc->sc_iot; 1104 bus_space_handle_t ioh = sc->sc_ioh; 1105 1106 if (sc->debug) { 1107 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1108 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1109 for (i = 0; i < mbx->cmd.length; i++) 1110 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1111 printf("\n"); 1112 } 1113 1114 for (retry = MCD_RETRIES; retry; retry--) { 1115 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1116 for (i = 0; i < mbx->cmd.length; i++) 1117 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1118 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1119 break; 1120 if (error == EINVAL) 1121 return error; 1122 } 1123 if (!retry) 1124 return error; 1125 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1126 return EIO; 1127 1128 return 0; 1129 } 1130 1131 static int 1132 bcd2bin(b) 1133 bcd_t b; 1134 { 1135 1136 return (b >> 4) * 10 + (b & 15); 1137 } 1138 1139 static bcd_t 1140 bin2bcd(b) 1141 int b; 1142 { 1143 1144 return ((b / 10) << 4) | (b % 10); 1145 } 1146 1147 static void 1148 hsg2msf(hsg, msf) 1149 int hsg; 1150 bcd_t *msf; 1151 { 1152 1153 hsg += 150; 1154 F_msf(msf) = bin2bcd(hsg % 75); 1155 hsg /= 75; 1156 S_msf(msf) = bin2bcd(hsg % 60); 1157 hsg /= 60; 1158 M_msf(msf) = bin2bcd(hsg); 1159 } 1160 1161 static daddr_t 1162 msf2hsg(msf, relative) 1163 bcd_t *msf; 1164 int relative; 1165 { 1166 daddr_t blkno; 1167 1168 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1169 bcd2bin(S_msf(msf)) * 75 + 1170 bcd2bin(F_msf(msf)); 1171 if (!relative) 1172 blkno -= 150; 1173 return blkno; 1174 } 1175 1176 void 1177 mcd_pseudointr(v) 1178 void *v; 1179 { 1180 struct mcd_softc *sc = v; 1181 int s; 1182 1183 s = splbio(); 1184 (void) mcdintr(sc); 1185 splx(s); 1186 } 1187 1188 /* 1189 * State machine to process read requests. 1190 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1191 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1192 * MCD_S_WAITREAD: wait for read ready, read data. 1193 */ 1194 int 1195 mcdintr(arg) 1196 void *arg; 1197 { 1198 struct mcd_softc *sc = arg; 1199 struct mcd_mbx *mbx = &sc->mbx; 1200 struct buf *bp = mbx->bp; 1201 bus_space_tag_t iot = sc->sc_iot; 1202 bus_space_handle_t ioh = sc->sc_ioh; 1203 1204 int i; 1205 u_char x; 1206 bcd_t msf[3]; 1207 1208 switch (mbx->state) { 1209 case MCD_S_IDLE: 1210 return 0; 1211 1212 case MCD_S_BEGIN: 1213 tryagain: 1214 if (mbx->mode == sc->lastmode) 1215 goto firstblock; 1216 1217 sc->lastmode = MCD_MD_UNKNOWN; 1218 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1219 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1220 1221 mbx->count = RDELAY_WAITMODE; 1222 mbx->state = MCD_S_WAITMODE; 1223 1224 case MCD_S_WAITMODE: 1225 callout_stop(&sc->sc_pintr_ch); 1226 for (i = 20; i; i--) { 1227 x = bus_space_read_1(iot, ioh, MCD_XFER); 1228 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1229 break; 1230 delay(50); 1231 } 1232 if (i == 0) 1233 goto hold; 1234 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1235 mcd_setflags(sc); 1236 if ((sc->flags & MCDF_LOADED) == 0) 1237 goto changed; 1238 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1239 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1240 1241 sc->lastmode = mbx->mode; 1242 1243 firstblock: 1244 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1245 bp, 0, 0); 1246 1247 /* Build parameter block. */ 1248 hsg2msf(mbx->blkno, msf); 1249 1250 /* Send the read command. */ 1251 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1252 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1253 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1254 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1255 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1256 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1257 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1258 1259 mbx->count = RDELAY_WAITREAD; 1260 mbx->state = MCD_S_WAITREAD; 1261 1262 case MCD_S_WAITREAD: 1263 callout_stop(&sc->sc_pintr_ch); 1264 nextblock: 1265 loop: 1266 for (i = 20; i; i--) { 1267 x = bus_space_read_1(iot, ioh, MCD_XFER); 1268 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1269 goto gotblock; 1270 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1271 break; 1272 delay(50); 1273 } 1274 if (i == 0) 1275 goto hold; 1276 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1277 mcd_setflags(sc); 1278 if ((sc->flags & MCDF_LOADED) == 0) 1279 goto changed; 1280 #if 0 1281 printf("%s: got status byte %02x during read\n", 1282 sc->sc_dev.dv_xname, (u_int)sc->status); 1283 #endif 1284 goto loop; 1285 1286 gotblock: 1287 MCD_TRACE("doread: got data delay=%d\n", 1288 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1289 1290 /* Data is ready. */ 1291 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1292 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1293 bp->b_data + mbx->skip, mbx->sz); 1294 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1295 mbx->blkno += 1; 1296 mbx->skip += mbx->sz; 1297 if (--mbx->nblk > 0) 1298 goto nextblock; 1299 1300 mbx->state = MCD_S_IDLE; 1301 1302 /* Return buffer. */ 1303 bp->b_resid = 0; 1304 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1305 biodone(bp); 1306 1307 mcdstart(sc); 1308 return 1; 1309 1310 hold: 1311 if (mbx->count-- < 0) { 1312 printf("%s: timeout in state %d", 1313 sc->sc_dev.dv_xname, mbx->state); 1314 goto readerr; 1315 } 1316 1317 #if 0 1318 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1319 mbx->state); 1320 #endif 1321 callout_reset(&sc->sc_pintr_ch, hz / 100, 1322 mcd_pseudointr, sc); 1323 return -1; 1324 } 1325 1326 readerr: 1327 if (mbx->retry-- > 0) { 1328 printf("; retrying\n"); 1329 goto tryagain; 1330 } else 1331 printf("; giving up\n"); 1332 1333 changed: 1334 /* Invalidate the buffer. */ 1335 bp->b_flags |= B_ERROR; 1336 bp->b_resid = bp->b_bcount - mbx->skip; 1337 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1338 biodone(bp); 1339 1340 mcdstart(sc); 1341 return -1; 1342 1343 #ifdef notyet 1344 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1345 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1346 delay(300000); 1347 (void) mcd_getstat(sc, 1); 1348 (void) mcd_getstat(sc, 1); 1349 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1350 sc->debug = 1; /* preventive set debug mode */ 1351 #endif 1352 } 1353 1354 void 1355 mcd_soft_reset(sc) 1356 struct mcd_softc *sc; 1357 { 1358 1359 sc->debug = 0; 1360 sc->flags = 0; 1361 sc->lastmode = MCD_MD_UNKNOWN; 1362 sc->lastupc = MCD_UPC_UNKNOWN; 1363 sc->audio_status = CD_AS_AUDIO_INVALID; 1364 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1365 } 1366 1367 int 1368 mcd_hard_reset(sc) 1369 struct mcd_softc *sc; 1370 { 1371 struct mcd_mbox mbx; 1372 1373 mcd_soft_reset(sc); 1374 1375 mbx.cmd.opcode = MCD_CMDRESET; 1376 mbx.cmd.length = 0; 1377 mbx.res.length = 0; 1378 return mcd_send(sc, &mbx, 0); 1379 } 1380 1381 int 1382 mcd_setmode(sc, mode) 1383 struct mcd_softc *sc; 1384 int mode; 1385 { 1386 struct mcd_mbox mbx; 1387 int error; 1388 1389 if (sc->lastmode == mode) 1390 return 0; 1391 if (sc->debug) 1392 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1393 sc->lastmode = MCD_MD_UNKNOWN; 1394 1395 mbx.cmd.opcode = MCD_CMDSETMODE; 1396 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1397 mbx.cmd.data.datamode.mode = mode; 1398 mbx.res.length = 0; 1399 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1400 return error; 1401 1402 sc->lastmode = mode; 1403 return 0; 1404 } 1405 1406 int 1407 mcd_setupc(sc, upc) 1408 struct mcd_softc *sc; 1409 int upc; 1410 { 1411 struct mcd_mbox mbx; 1412 int error; 1413 1414 if (sc->lastupc == upc) 1415 return 0; 1416 if (sc->debug) 1417 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1418 sc->lastupc = MCD_UPC_UNKNOWN; 1419 1420 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1421 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1422 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1423 mbx.cmd.data.config.data1 = upc; 1424 mbx.res.length = 0; 1425 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1426 return error; 1427 1428 sc->lastupc = upc; 1429 return 0; 1430 } 1431 1432 int 1433 mcd_toc_header(sc, th) 1434 struct mcd_softc *sc; 1435 struct ioc_toc_header *th; 1436 { 1437 1438 if (sc->debug) 1439 printf("%s: mcd_toc_header: reading toc header\n", 1440 sc->sc_dev.dv_xname); 1441 1442 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1443 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1444 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1445 1446 return 0; 1447 } 1448 1449 int 1450 mcd_read_toc(sc) 1451 struct mcd_softc *sc; 1452 { 1453 struct ioc_toc_header th; 1454 union mcd_qchninfo q; 1455 int error, trk, idx, retry; 1456 1457 if ((error = mcd_toc_header(sc, &th)) != 0) 1458 return error; 1459 1460 if ((error = mcd_stop(sc)) != 0) 1461 return error; 1462 1463 if (sc->debug) 1464 printf("%s: read_toc: reading qchannel info\n", 1465 sc->sc_dev.dv_xname); 1466 1467 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1468 sc->toc[trk].toc.idx_no = 0x00; 1469 trk = th.ending_track - th.starting_track + 1; 1470 for (retry = 300; retry && trk > 0; retry--) { 1471 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1472 break; 1473 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1474 continue; 1475 idx = bcd2bin(q.toc.idx_no); 1476 if (idx < MCD_MAXTOCS && 1477 sc->toc[idx].toc.idx_no == 0x00) { 1478 sc->toc[idx] = q; 1479 trk--; 1480 } 1481 } 1482 1483 /* Inform the drive that we're finished so it turns off the light. */ 1484 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1485 return error; 1486 1487 if (trk != 0) 1488 return EINVAL; 1489 1490 /* Add a fake last+1 for mcd_playtracks(). */ 1491 idx = th.ending_track + 1; 1492 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1493 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1494 sc->toc[idx].toc.trk_no = 0x00; 1495 sc->toc[idx].toc.idx_no = 0xaa; 1496 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1497 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1498 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1499 1500 return 0; 1501 } 1502 1503 int 1504 mcd_toc_entries(sc, te) 1505 struct mcd_softc *sc; 1506 struct ioc_read_toc_entry *te; 1507 { 1508 int len = te->data_len; 1509 struct ret_toc { 1510 struct ioc_toc_header header; 1511 struct cd_toc_entry entries[MCD_MAXTOCS]; 1512 } data; 1513 u_char trk; 1514 daddr_t lba; 1515 int error, n; 1516 1517 if (len > sizeof(data.entries) || 1518 len < sizeof(struct cd_toc_entry)) 1519 return EINVAL; 1520 if (te->address_format != CD_MSF_FORMAT && 1521 te->address_format != CD_LBA_FORMAT) 1522 return EINVAL; 1523 1524 /* Copy the TOC header. */ 1525 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1526 return error; 1527 1528 /* Verify starting track. */ 1529 trk = te->starting_track; 1530 if (trk == 0x00) 1531 trk = data.header.starting_track; 1532 else if (trk == 0xaa) 1533 trk = data.header.ending_track + 1; 1534 else if (trk < data.header.starting_track || 1535 trk > data.header.ending_track + 1) 1536 return EINVAL; 1537 1538 /* Copy the TOC data. */ 1539 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1540 if (sc->toc[trk].toc.idx_no == 0x00) 1541 continue; 1542 data.entries[n].control = sc->toc[trk].toc.control; 1543 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1544 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1545 switch (te->address_format) { 1546 case CD_MSF_FORMAT: 1547 data.entries[n].addr.addr[0] = 0; 1548 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1549 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1550 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1551 break; 1552 case CD_LBA_FORMAT: 1553 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1554 data.entries[n].addr.addr[0] = lba >> 24; 1555 data.entries[n].addr.addr[1] = lba >> 16; 1556 data.entries[n].addr.addr[2] = lba >> 8; 1557 data.entries[n].addr.addr[3] = lba; 1558 break; 1559 } 1560 n++; 1561 } 1562 1563 len = min(len, n * sizeof(struct cd_toc_entry)); 1564 1565 /* Copy the data back. */ 1566 return copyout(&data.entries[0], te->data, len); 1567 } 1568 1569 int 1570 mcd_stop(sc) 1571 struct mcd_softc *sc; 1572 { 1573 struct mcd_mbox mbx; 1574 int error; 1575 1576 if (sc->debug) 1577 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1578 1579 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1580 mbx.cmd.length = 0; 1581 mbx.res.length = 0; 1582 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1583 return error; 1584 1585 sc->audio_status = CD_AS_PLAY_COMPLETED; 1586 return 0; 1587 } 1588 1589 int 1590 mcd_getqchan(sc, q, qchn) 1591 struct mcd_softc *sc; 1592 union mcd_qchninfo *q; 1593 int qchn; 1594 { 1595 struct mcd_mbox mbx; 1596 int error; 1597 1598 if (qchn == CD_TRACK_INFO) { 1599 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1600 return error; 1601 } else { 1602 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1603 return error; 1604 } 1605 if (qchn == CD_MEDIA_CATALOG) { 1606 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1607 return error; 1608 } else { 1609 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1610 return error; 1611 } 1612 1613 mbx.cmd.opcode = MCD_CMDGETQCHN; 1614 mbx.cmd.length = 0; 1615 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1616 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1617 return error; 1618 1619 *q = mbx.res.data.qchninfo; 1620 return 0; 1621 } 1622 1623 int 1624 mcd_read_subchannel(sc, ch) 1625 struct mcd_softc *sc; 1626 struct ioc_read_subchannel *ch; 1627 { 1628 int len = ch->data_len; 1629 union mcd_qchninfo q; 1630 struct cd_sub_channel_info data; 1631 daddr_t lba; 1632 int error; 1633 1634 if (sc->debug) 1635 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1636 ch->address_format, ch->data_format); 1637 1638 if (len > sizeof(data) || 1639 len < sizeof(struct cd_sub_channel_header)) 1640 return EINVAL; 1641 if (ch->address_format != CD_MSF_FORMAT && 1642 ch->address_format != CD_LBA_FORMAT) 1643 return EINVAL; 1644 if (ch->data_format != CD_CURRENT_POSITION && 1645 ch->data_format != CD_MEDIA_CATALOG) 1646 return EINVAL; 1647 1648 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1649 return error; 1650 1651 data.header.audio_status = sc->audio_status; 1652 data.what.media_catalog.data_format = ch->data_format; 1653 1654 switch (ch->data_format) { 1655 case CD_MEDIA_CATALOG: 1656 data.what.media_catalog.mc_valid = 1; 1657 #if 0 1658 data.what.media_catalog.mc_number = 1659 #endif 1660 break; 1661 1662 case CD_CURRENT_POSITION: 1663 data.what.position.track_number = bcd2bin(q.current.trk_no); 1664 data.what.position.index_number = bcd2bin(q.current.idx_no); 1665 switch (ch->address_format) { 1666 case CD_MSF_FORMAT: 1667 data.what.position.reladdr.addr[0] = 0; 1668 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1669 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1670 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1671 data.what.position.absaddr.addr[0] = 0; 1672 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1673 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1674 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1675 break; 1676 case CD_LBA_FORMAT: 1677 lba = msf2hsg(q.current.relative_pos, 1); 1678 /* 1679 * Pre-gap has index number of 0, and decreasing MSF 1680 * address. Must be converted to negative LBA, per 1681 * SCSI spec. 1682 */ 1683 if (data.what.position.index_number == 0x00) 1684 lba = -lba; 1685 data.what.position.reladdr.addr[0] = lba >> 24; 1686 data.what.position.reladdr.addr[1] = lba >> 16; 1687 data.what.position.reladdr.addr[2] = lba >> 8; 1688 data.what.position.reladdr.addr[3] = lba; 1689 lba = msf2hsg(q.current.absolute_pos, 0); 1690 data.what.position.absaddr.addr[0] = lba >> 24; 1691 data.what.position.absaddr.addr[1] = lba >> 16; 1692 data.what.position.absaddr.addr[2] = lba >> 8; 1693 data.what.position.absaddr.addr[3] = lba; 1694 break; 1695 } 1696 break; 1697 } 1698 1699 return copyout(&data, ch->data, len); 1700 } 1701 1702 int 1703 mcd_playtracks(sc, p) 1704 struct mcd_softc *sc; 1705 struct ioc_play_track *p; 1706 { 1707 struct mcd_mbox mbx; 1708 int a = p->start_track; 1709 int z = p->end_track; 1710 int error; 1711 1712 if (sc->debug) 1713 printf("%s: playtracks: from %d:%d to %d:%d\n", 1714 sc->sc_dev.dv_xname, 1715 a, p->start_index, z, p->end_index); 1716 1717 if (a < bcd2bin(sc->volinfo.trk_low) || 1718 a > bcd2bin(sc->volinfo.trk_high) || 1719 a > z || 1720 z < bcd2bin(sc->volinfo.trk_low) || 1721 z > bcd2bin(sc->volinfo.trk_high)) 1722 return EINVAL; 1723 1724 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1725 return error; 1726 1727 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1728 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1729 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1730 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1731 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1732 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1733 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1734 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1735 sc->lastpb = mbx.cmd; 1736 mbx.res.length = 0; 1737 return mcd_send(sc, &mbx, 1); 1738 } 1739 1740 int 1741 mcd_playmsf(sc, p) 1742 struct mcd_softc *sc; 1743 struct ioc_play_msf *p; 1744 { 1745 struct mcd_mbox mbx; 1746 int error; 1747 1748 if (sc->debug) 1749 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1750 sc->sc_dev.dv_xname, 1751 p->start_m, p->start_s, p->start_f, 1752 p->end_m, p->end_s, p->end_f); 1753 1754 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1755 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1756 return EINVAL; 1757 1758 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1759 return error; 1760 1761 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1762 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1763 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1764 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1765 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1766 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1767 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1768 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1769 sc->lastpb = mbx.cmd; 1770 mbx.res.length = 0; 1771 return mcd_send(sc, &mbx, 1); 1772 } 1773 1774 int 1775 mcd_playblocks(sc, p) 1776 struct mcd_softc *sc; 1777 struct ioc_play_blocks *p; 1778 { 1779 struct mcd_mbox mbx; 1780 int error; 1781 1782 if (sc->debug) 1783 printf("%s: playblocks: blkno %d length %d\n", 1784 sc->sc_dev.dv_xname, p->blk, p->len); 1785 1786 if (p->blk > sc->disksize || p->len > sc->disksize || 1787 (p->blk + p->len) > sc->disksize) 1788 return 0; 1789 1790 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1791 return error; 1792 1793 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1794 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1795 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1796 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1797 sc->lastpb = mbx.cmd; 1798 mbx.res.length = 0; 1799 return mcd_send(sc, &mbx, 1); 1800 } 1801 1802 int 1803 mcd_pause(sc) 1804 struct mcd_softc *sc; 1805 { 1806 union mcd_qchninfo q; 1807 int error; 1808 1809 /* Verify current status. */ 1810 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1811 printf("%s: pause: attempted when not playing\n", 1812 sc->sc_dev.dv_xname); 1813 return EINVAL; 1814 } 1815 1816 /* Get the current position. */ 1817 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1818 return error; 1819 1820 /* Copy it into lastpb. */ 1821 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1822 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1823 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1824 1825 /* Stop playing. */ 1826 if ((error = mcd_stop(sc)) != 0) 1827 return error; 1828 1829 /* Set the proper status and exit. */ 1830 sc->audio_status = CD_AS_PLAY_PAUSED; 1831 return 0; 1832 } 1833 1834 int 1835 mcd_resume(sc) 1836 struct mcd_softc *sc; 1837 { 1838 struct mcd_mbox mbx; 1839 int error; 1840 1841 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1842 return EINVAL; 1843 1844 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1845 return error; 1846 1847 mbx.cmd = sc->lastpb; 1848 mbx.res.length = 0; 1849 return mcd_send(sc, &mbx, 1); 1850 } 1851 1852 int 1853 mcd_eject(sc) 1854 struct mcd_softc *sc; 1855 { 1856 struct mcd_mbox mbx; 1857 1858 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1859 mbx.cmd.length = 0; 1860 mbx.res.length = 0; 1861 return mcd_send(sc, &mbx, 0); 1862 } 1863 1864 int 1865 mcd_setlock(sc, mode) 1866 struct mcd_softc *sc; 1867 int mode; 1868 { 1869 struct mcd_mbox mbx; 1870 1871 mbx.cmd.opcode = MCD_CMDSETLOCK; 1872 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1873 mbx.cmd.data.lockmode.mode = mode; 1874 mbx.res.length = 0; 1875 return mcd_send(sc, &mbx, 1); 1876 } 1877
Indexes created Sun Oct 12 20:09:57 GMT 2025