mcd.c revision 1.89
1 /* $NetBSD: mcd.c,v 1.89 2005/02/27 00:27:17 perry 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 1.89 2005/02/27 00:27:17 perry Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/callout.h> 64 #include <sys/kernel.h> 65 #include <sys/proc.h> 66 #include <sys/conf.h> 67 #include <sys/file.h> 68 #include <sys/buf.h> 69 #include <sys/bufq.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 struct lock sc_lock; 126 void *sc_ih; 127 128 struct callout sc_pintr_ch; 129 130 bus_space_tag_t sc_iot; 131 bus_space_handle_t sc_ioh; 132 133 int irq, drq; 134 135 char *type; 136 int flags; 137 #define MCDF_WLABEL 0x04 /* label is writable */ 138 #define MCDF_LABELLING 0x08 /* writing label */ 139 #define MCDF_LOADED 0x10 /* parameters loaded */ 140 short status; 141 short audio_status; 142 int blksize; 143 u_long disksize; 144 struct mcd_volinfo volinfo; 145 union mcd_qchninfo toc[MCD_MAXTOCS]; 146 struct mcd_command lastpb; 147 struct mcd_mbx mbx; 148 int lastmode; 149 #define MCD_MD_UNKNOWN -1 150 int lastupc; 151 #define MCD_UPC_UNKNOWN -1 152 struct bufq_state buf_queue; 153 int active; 154 u_char readcmd; 155 u_char debug; 156 u_char probe; 157 }; 158 159 static int bcd2bin(bcd_t); 160 static bcd_t bin2bcd(int); 161 static void hsg2msf(int, bcd_t *); 162 static daddr_t msf2hsg(bcd_t *, int); 163 164 int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *); 165 int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *); 166 int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *); 167 int mcd_stop(struct mcd_softc *); 168 int mcd_eject(struct mcd_softc *); 169 int mcd_read_subchannel(struct mcd_softc *, struct ioc_read_subchannel *); 170 int mcd_pause(struct mcd_softc *); 171 int mcd_resume(struct mcd_softc *); 172 int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *); 173 int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *); 174 175 int mcd_getreply(struct mcd_softc *); 176 int mcd_getstat(struct mcd_softc *); 177 int mcd_getresult(struct mcd_softc *, struct mcd_result *); 178 void mcd_setflags(struct mcd_softc *); 179 int mcd_get(struct mcd_softc *, char *, int); 180 int mcd_send(struct mcd_softc *, struct mcd_mbox *, int); 181 int mcdintr(void *); 182 void mcd_soft_reset(struct mcd_softc *); 183 int mcd_hard_reset(struct mcd_softc *); 184 int mcd_setmode(struct mcd_softc *, int); 185 int mcd_setupc(struct mcd_softc *, int); 186 int mcd_read_toc(struct mcd_softc *); 187 int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int); 188 int mcd_setlock(struct mcd_softc *, int); 189 190 int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *); 191 int mcdprobe(struct device *, struct cfdata *, void *); 192 void mcdattach(struct device *, struct device *, void *); 193 194 CFATTACH_DECL(mcd, sizeof(struct mcd_softc), 195 mcdprobe, mcdattach, NULL, NULL); 196 197 extern struct cfdriver mcd_cd; 198 199 dev_type_open(mcdopen); 200 dev_type_close(mcdclose); 201 dev_type_read(mcdread); 202 dev_type_write(mcdwrite); 203 dev_type_ioctl(mcdioctl); 204 dev_type_strategy(mcdstrategy); 205 dev_type_dump(mcddump); 206 dev_type_size(mcdsize); 207 208 const struct bdevsw mcd_bdevsw = { 209 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK 210 }; 211 212 const struct cdevsw mcd_cdevsw = { 213 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl, 214 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 215 }; 216 217 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 218 void mcdgetdisklabel(struct mcd_softc *); 219 int mcd_get_parms(struct mcd_softc *); 220 void mcdstart(struct mcd_softc *); 221 void mcd_pseudointr(void *); 222 223 struct dkdriver mcddkdriver = { mcdstrategy }; 224 225 #define MCD_RETRIES 3 226 #define MCD_RDRETRIES 3 227 228 /* several delays */ 229 #define RDELAY_WAITMODE 300 230 #define RDELAY_WAITREAD 800 231 232 #define DELAY_GRANULARITY 25 /* 25us */ 233 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 234 235 void 236 mcdattach(parent, self, aux) 237 struct device *parent, *self; 238 void *aux; 239 { 240 struct mcd_softc *sc = (void *)self; 241 struct isa_attach_args *ia = aux; 242 bus_space_tag_t iot = ia->ia_iot; 243 bus_space_handle_t ioh; 244 struct mcd_mbox mbx; 245 246 /* Map i/o space */ 247 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 248 printf(": can't map i/o space\n"); 249 return; 250 } 251 252 lockinit(&sc->sc_lock, PRIBIO | PCATCH, "mcdlock", 0, 0); 253 254 sc->sc_iot = iot; 255 sc->sc_ioh = ioh; 256 257 sc->probe = 0; 258 sc->debug = 0; 259 260 if (!mcd_find(iot, ioh, sc)) { 261 printf(": mcd_find failed\n"); 262 return; 263 } 264 265 bufq_alloc(&sc->buf_queue, BUFQ_DISKSORT|BUFQ_SORT_RAWBLOCK); 266 callout_init(&sc->sc_pintr_ch); 267 268 /* 269 * Initialize and attach the disk structure. 270 */ 271 sc->sc_dk.dk_driver = &mcddkdriver; 272 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 273 disk_attach(&sc->sc_dk); 274 275 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 276 277 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 278 279 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 280 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 281 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 282 mbx.cmd.data.config.data1 = 0x01; 283 mbx.res.length = 0; 284 (void) mcd_send(sc, &mbx, 0); 285 286 mcd_soft_reset(sc); 287 288 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 289 IST_EDGE, IPL_BIO, mcdintr, sc); 290 } 291 292 int 293 mcdopen(dev, flag, fmt, p) 294 dev_t dev; 295 int flag, fmt; 296 struct proc *p; 297 { 298 int error, part; 299 struct mcd_softc *sc; 300 301 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 302 if (sc == NULL) 303 return ENXIO; 304 305 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 306 return error; 307 308 if (sc->sc_dk.dk_openmask != 0) { 309 /* 310 * If any partition is open, but the disk has been invalidated, 311 * disallow further opens. 312 */ 313 if ((sc->flags & MCDF_LOADED) == 0) { 314 error = EIO; 315 goto bad3; 316 } 317 } else { 318 /* 319 * Lock the drawer. This will also notice any pending disk 320 * change or door open indicator and clear the MCDF_LOADED bit 321 * if necessary. 322 */ 323 (void) mcd_setlock(sc, MCD_LK_LOCK); 324 325 if ((sc->flags & MCDF_LOADED) == 0) { 326 /* Partially reset the state. */ 327 sc->lastmode = MCD_MD_UNKNOWN; 328 sc->lastupc = MCD_UPC_UNKNOWN; 329 330 sc->flags |= MCDF_LOADED; 331 332 /* Set the mode, causing the disk to spin up. */ 333 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 334 goto bad2; 335 336 /* Load the physical device parameters. */ 337 if (mcd_get_parms(sc) != 0) { 338 error = ENXIO; 339 goto bad2; 340 } 341 342 /* Read the table of contents. */ 343 if ((error = mcd_read_toc(sc)) != 0) 344 goto bad2; 345 346 /* Fabricate a disk label. */ 347 mcdgetdisklabel(sc); 348 } 349 } 350 351 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 352 sc->disksize, sc->blksize, 0); 353 354 part = MCDPART(dev); 355 356 /* Check that the partition exists. */ 357 if (part != RAW_PART && 358 (part >= sc->sc_dk.dk_label->d_npartitions || 359 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 360 error = ENXIO; 361 goto bad; 362 } 363 364 /* Insure only one open at a time. */ 365 switch (fmt) { 366 case S_IFCHR: 367 sc->sc_dk.dk_copenmask |= (1 << part); 368 break; 369 case S_IFBLK: 370 sc->sc_dk.dk_bopenmask |= (1 << part); 371 break; 372 } 373 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 374 375 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 376 return 0; 377 378 bad2: 379 sc->flags &= ~MCDF_LOADED; 380 381 bad: 382 if (sc->sc_dk.dk_openmask == 0) { 383 #if 0 384 (void) mcd_setmode(sc, MCD_MD_SLEEP); 385 #endif 386 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 387 } 388 389 bad3: 390 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 391 return error; 392 } 393 394 int 395 mcdclose(dev, flag, fmt, p) 396 dev_t dev; 397 int flag, fmt; 398 struct proc *p; 399 { 400 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 401 int part = MCDPART(dev); 402 int error; 403 404 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 405 406 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 407 return error; 408 409 switch (fmt) { 410 case S_IFCHR: 411 sc->sc_dk.dk_copenmask &= ~(1 << part); 412 break; 413 case S_IFBLK: 414 sc->sc_dk.dk_bopenmask &= ~(1 << part); 415 break; 416 } 417 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 418 419 if (sc->sc_dk.dk_openmask == 0) { 420 /* XXXX Must wait for I/O to complete! */ 421 422 #if 0 423 (void) mcd_setmode(sc, MCD_MD_SLEEP); 424 #endif 425 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 426 } 427 428 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 429 return 0; 430 } 431 432 void 433 mcdstrategy(bp) 434 struct buf *bp; 435 { 436 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 437 struct disklabel *lp = sc->sc_dk.dk_label; 438 daddr_t blkno; 439 int s; 440 441 /* Test validity. */ 442 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 443 bp->b_blkno, bp->b_bcount, 0); 444 if (bp->b_blkno < 0 || 445 (bp->b_bcount % sc->blksize) != 0) { 446 printf("%s: strategy: blkno = %d bcount = %ld\n", 447 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 448 bp->b_error = EINVAL; 449 goto bad; 450 } 451 452 /* If device invalidated (e.g. media change, door open), error. */ 453 if ((sc->flags & MCDF_LOADED) == 0) { 454 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 455 bp->b_error = EIO; 456 goto bad; 457 } 458 459 /* No data to read. */ 460 if (bp->b_bcount == 0) 461 goto done; 462 463 /* 464 * Do bounds checking, adjust transfer. if error, process. 465 * If end of partition, just return. 466 */ 467 if (MCDPART(bp->b_dev) != RAW_PART && 468 bounds_check_with_label(&sc->sc_dk, bp, 469 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 470 goto done; 471 472 /* 473 * Now convert the block number to absolute and put it in 474 * terms of the device's logical block size. 475 */ 476 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 477 if (MCDPART(bp->b_dev) != RAW_PART) 478 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 479 480 bp->b_rawblkno = blkno; 481 482 /* Queue it. */ 483 s = splbio(); 484 BUFQ_PUT(&sc->buf_queue, bp); 485 splx(s); 486 if (!sc->active) 487 mcdstart(sc); 488 return; 489 490 bad: 491 bp->b_flags |= B_ERROR; 492 done: 493 bp->b_resid = bp->b_bcount; 494 biodone(bp); 495 } 496 497 void 498 mcdstart(sc) 499 struct mcd_softc *sc; 500 { 501 struct buf *bp; 502 int s; 503 504 loop: 505 s = splbio(); 506 507 if ((bp = BUFQ_GET(&sc->buf_queue)) == NULL) { 508 /* Nothing to do. */ 509 sc->active = 0; 510 splx(s); 511 return; 512 } 513 514 /* Block found to process. */ 515 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 516 splx(s); 517 518 /* Changed media? */ 519 if ((sc->flags & MCDF_LOADED) == 0) { 520 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 521 bp->b_error = EIO; 522 bp->b_flags |= B_ERROR; 523 biodone(bp); 524 goto loop; 525 } 526 527 sc->active = 1; 528 529 /* Instrumentation. */ 530 s = splbio(); 531 disk_busy(&sc->sc_dk); 532 splx(s); 533 534 sc->mbx.retry = MCD_RDRETRIES; 535 sc->mbx.bp = bp; 536 sc->mbx.blkno = bp->b_rawblkno; 537 sc->mbx.nblk = bp->b_bcount / sc->blksize; 538 sc->mbx.sz = sc->blksize; 539 sc->mbx.skip = 0; 540 sc->mbx.state = MCD_S_BEGIN; 541 sc->mbx.mode = MCD_MD_COOKED; 542 543 s = splbio(); 544 (void) mcdintr(sc); 545 splx(s); 546 } 547 548 int 549 mcdread(dev, uio, flags) 550 dev_t dev; 551 struct uio *uio; 552 int flags; 553 { 554 555 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 556 } 557 558 int 559 mcdwrite(dev, uio, flags) 560 dev_t dev; 561 struct uio *uio; 562 int flags; 563 { 564 565 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 566 } 567 568 int 569 mcdioctl(dev, cmd, addr, flag, p) 570 dev_t dev; 571 u_long cmd; 572 caddr_t addr; 573 int flag; 574 struct proc *p; 575 { 576 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 577 int error; 578 int part; 579 #ifdef __HAVE_OLD_DISKLABEL 580 struct disklabel newlabel; 581 #endif 582 583 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 584 585 if ((sc->flags & MCDF_LOADED) == 0) 586 return EIO; 587 588 part = MCDPART(dev); 589 switch (cmd) { 590 case DIOCGDINFO: 591 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 592 return 0; 593 #ifdef __HAVE_OLD_DISKLABEL 594 case ODIOCGDINFO: 595 newlabel = *(sc->sc_dk.dk_label); 596 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 597 return ENOTTY; 598 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 599 return 0; 600 #endif 601 602 case DIOCGPART: 603 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 604 ((struct partinfo *)addr)->part = 605 &sc->sc_dk.dk_label->d_partitions[part]; 606 return 0; 607 608 case DIOCWDINFO: 609 case DIOCSDINFO: 610 #ifdef __HAVE_OLD_DISKLABEL 611 case ODIOCWDINFO: 612 case ODIOCSDINFO: 613 #endif 614 { 615 struct disklabel *lp; 616 617 if ((flag & FWRITE) == 0) 618 return EBADF; 619 620 #ifdef __HAVE_OLD_DISKLABEL 621 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 622 memset(&newlabel, 0, sizeof newlabel); 623 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 624 lp = &newlabel; 625 } else 626 #endif 627 lp = (struct disklabel *)addr; 628 629 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 630 return error; 631 sc->flags |= MCDF_LABELLING; 632 633 error = setdisklabel(sc->sc_dk.dk_label, 634 lp, /*sc->sc_dk.dk_openmask : */0, 635 sc->sc_dk.dk_cpulabel); 636 if (error == 0) { 637 } 638 639 sc->flags &= ~MCDF_LABELLING; 640 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 641 return error; 642 } 643 644 case DIOCWLABEL: 645 return EBADF; 646 647 case DIOCGDEFLABEL: 648 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 649 return 0; 650 651 #ifdef __HAVE_OLD_DISKLABEL 652 case ODIOCGDEFLABEL: 653 mcdgetdefaultlabel(sc, &newlabel); 654 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 655 return ENOTTY; 656 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 657 return 0; 658 #endif 659 660 case CDIOCPLAYTRACKS: 661 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 662 case CDIOCPLAYMSF: 663 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 664 case CDIOCPLAYBLOCKS: 665 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 666 case CDIOCREADSUBCHANNEL: 667 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 668 case CDIOREADTOCHEADER: 669 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 670 case CDIOREADTOCENTRYS: 671 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 672 case CDIOCSETPATCH: 673 case CDIOCGETVOL: 674 case CDIOCSETVOL: 675 case CDIOCSETMONO: 676 case CDIOCSETSTEREO: 677 case CDIOCSETMUTE: 678 case CDIOCSETLEFT: 679 case CDIOCSETRIGHT: 680 return EINVAL; 681 case CDIOCRESUME: 682 return mcd_resume(sc); 683 case CDIOCPAUSE: 684 return mcd_pause(sc); 685 case CDIOCSTART: 686 return EINVAL; 687 case CDIOCSTOP: 688 return mcd_stop(sc); 689 case DIOCEJECT: 690 if (*(int *)addr == 0) { 691 /* 692 * Don't force eject: check that we are the only 693 * partition open. If so, unlock it. 694 */ 695 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 696 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 697 sc->sc_dk.dk_openmask) { 698 error = mcd_setlock(sc, MCD_LK_UNLOCK); 699 if (error) 700 return (error); 701 } else { 702 return (EBUSY); 703 } 704 } 705 /* FALLTHROUGH */ 706 case CDIOCEJECT: /* FALLTHROUGH */ 707 case ODIOCEJECT: 708 return mcd_eject(sc); 709 case CDIOCALLOW: 710 return mcd_setlock(sc, MCD_LK_UNLOCK); 711 case CDIOCPREVENT: 712 return mcd_setlock(sc, MCD_LK_LOCK); 713 case DIOCLOCK: 714 return mcd_setlock(sc, 715 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 716 case CDIOCSETDEBUG: 717 sc->debug = 1; 718 return 0; 719 case CDIOCCLRDEBUG: 720 sc->debug = 0; 721 return 0; 722 case CDIOCRESET: 723 return mcd_hard_reset(sc); 724 725 default: 726 return ENOTTY; 727 } 728 729 #ifdef DIAGNOSTIC 730 panic("mcdioctl: impossible"); 731 #endif 732 } 733 734 void 735 mcdgetdefaultlabel(sc, lp) 736 struct mcd_softc *sc; 737 struct disklabel *lp; 738 { 739 740 memset(lp, 0, sizeof(struct disklabel)); 741 742 lp->d_secsize = sc->blksize; 743 lp->d_ntracks = 1; 744 lp->d_nsectors = 100; 745 lp->d_ncylinders = (sc->disksize / 100) + 1; 746 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 747 748 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 749 lp->d_type = 0; /* XXX */ 750 strncpy(lp->d_packname, "fictitious", 16); 751 lp->d_secperunit = sc->disksize; 752 lp->d_rpm = 300; 753 lp->d_interleave = 1; 754 lp->d_flags = D_REMOVABLE; 755 756 lp->d_partitions[0].p_offset = 0; 757 lp->d_partitions[0].p_size = 758 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 759 lp->d_partitions[0].p_fstype = FS_ISO9660; 760 lp->d_partitions[RAW_PART].p_offset = 0; 761 lp->d_partitions[RAW_PART].p_size = 762 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 763 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 764 lp->d_npartitions = RAW_PART + 1; 765 766 lp->d_magic = DISKMAGIC; 767 lp->d_magic2 = DISKMAGIC; 768 lp->d_checksum = dkcksum(lp); 769 } 770 771 /* 772 * This could have been taken from scsi/cd.c, but it is not clear 773 * whether the scsi cd driver is linked in. 774 */ 775 void 776 mcdgetdisklabel(sc) 777 struct mcd_softc *sc; 778 { 779 struct disklabel *lp = sc->sc_dk.dk_label; 780 781 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 782 783 mcdgetdefaultlabel(sc, lp); 784 } 785 786 int 787 mcd_get_parms(sc) 788 struct mcd_softc *sc; 789 { 790 struct mcd_mbox mbx; 791 daddr_t size; 792 int error; 793 794 /* Send volume info command. */ 795 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 796 mbx.cmd.length = 0; 797 mbx.res.length = sizeof(mbx.res.data.volinfo); 798 if ((error = mcd_send(sc, &mbx, 1)) != 0) 799 return error; 800 801 if (mbx.res.data.volinfo.trk_low == 0x00 && 802 mbx.res.data.volinfo.trk_high == 0x00) 803 return EINVAL; 804 805 /* Volinfo is OK. */ 806 sc->volinfo = mbx.res.data.volinfo; 807 sc->blksize = MCD_BLKSIZE_COOKED; 808 size = msf2hsg(sc->volinfo.vol_msf, 0); 809 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 810 return 0; 811 } 812 813 int 814 mcdsize(dev) 815 dev_t dev; 816 { 817 818 /* CD-ROMs are read-only. */ 819 return -1; 820 } 821 822 int 823 mcddump(dev, blkno, va, size) 824 dev_t dev; 825 daddr_t blkno; 826 caddr_t va; 827 size_t size; 828 { 829 830 /* Not implemented. */ 831 return ENXIO; 832 } 833 834 /* 835 * Find the board and fill in the softc. 836 */ 837 int 838 mcd_find(iot, ioh, sc) 839 bus_space_tag_t iot; 840 bus_space_handle_t ioh; 841 struct mcd_softc *sc; 842 { 843 int i; 844 struct mcd_mbox mbx; 845 846 sc->sc_iot = iot; 847 sc->sc_ioh = ioh; 848 849 /* Send a reset. */ 850 bus_space_write_1(iot, ioh, MCD_RESET, 0); 851 delay(1000000); 852 /* Get any pending status and throw away. */ 853 for (i = 10; i; i--) 854 bus_space_read_1(iot, ioh, MCD_STATUS); 855 delay(1000); 856 857 /* Send get status command. */ 858 mbx.cmd.opcode = MCD_CMDGETSTAT; 859 mbx.cmd.length = 0; 860 mbx.res.length = 0; 861 if (mcd_send(sc, &mbx, 0) != 0) 862 return 0; 863 864 /* Get info about the drive. */ 865 mbx.cmd.opcode = MCD_CMDCONTINFO; 866 mbx.cmd.length = 0; 867 mbx.res.length = sizeof(mbx.res.data.continfo); 868 if (mcd_send(sc, &mbx, 0) != 0) 869 return 0; 870 871 /* 872 * The following is code which is not guaranteed to work for all 873 * drives, because the meaning of the expected 'M' is not clear 874 * (M_itsumi is an obvious assumption, but I don't trust that). 875 * Also, the original hack had a bogus condition that always 876 * returned true. 877 * 878 * Note: Which models support interrupts? >=LU005S? 879 */ 880 sc->readcmd = MCD_CMDREADSINGLESPEED; 881 switch (mbx.res.data.continfo.code) { 882 case 'M': 883 if (mbx.res.data.continfo.version <= 2) 884 sc->type = "LU002S"; 885 else if (mbx.res.data.continfo.version <= 5) 886 sc->type = "LU005S"; 887 else 888 sc->type = "LU006S"; 889 break; 890 case 'F': 891 sc->type = "FX001"; 892 break; 893 case 'D': 894 sc->type = "FX001D"; 895 sc->readcmd = MCD_CMDREADDOUBLESPEED; 896 break; 897 default: 898 /* 899 * mcd_send() says the response looked OK but the 900 * drive type is unknown. If mcd_promisc, match anyway. 901 */ 902 if (mcd_promisc != 0) 903 return 0; 904 905 #ifdef MCDDEBUG 906 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 907 sc->sc_dev.dv_xname, 908 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 909 #endif 910 sc->type = 0; 911 break; 912 } 913 914 return 1; 915 916 } 917 918 int 919 mcdprobe(parent, match, aux) 920 struct device *parent; 921 struct cfdata *match; 922 void *aux; 923 { 924 struct isa_attach_args *ia = aux; 925 struct mcd_softc sc; 926 bus_space_tag_t iot = ia->ia_iot; 927 bus_space_handle_t ioh; 928 int rv; 929 930 if (ia->ia_nio < 1) 931 return (0); 932 if (ia->ia_nirq < 1) 933 return (0); 934 935 if (ISA_DIRECT_CONFIG(ia)) 936 return (0); 937 938 /* Disallow wildcarded i/o address. */ 939 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 940 return (0); 941 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 942 return (0); 943 944 /* Map i/o space */ 945 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 946 return 0; 947 948 sc.debug = 0; 949 sc.probe = 1; 950 951 rv = mcd_find(iot, ioh, &sc); 952 953 bus_space_unmap(iot, ioh, MCD_NPORT); 954 955 if (rv) { 956 ia->ia_nio = 1; 957 ia->ia_io[0].ir_addr = MCD_NPORT; 958 959 ia->ia_nirq = 1; 960 961 ia->ia_niomem = 0; 962 ia->ia_ndrq = 0; 963 } 964 965 return (rv); 966 } 967 968 int 969 mcd_getreply(sc) 970 struct mcd_softc *sc; 971 { 972 bus_space_tag_t iot = sc->sc_iot; 973 bus_space_handle_t ioh = sc->sc_ioh; 974 int i; 975 976 /* Wait until xfer port senses data ready. */ 977 for (i = DELAY_GETREPLY; i; i--) { 978 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 979 MCD_XF_STATUSUNAVAIL) == 0) 980 break; 981 delay(DELAY_GRANULARITY); 982 } 983 if (!i) 984 return -1; 985 986 /* Get the data. */ 987 return bus_space_read_1(iot, ioh, MCD_STATUS); 988 } 989 990 int 991 mcd_getstat(sc) 992 struct mcd_softc *sc; 993 { 994 struct mcd_mbox mbx; 995 996 mbx.cmd.opcode = MCD_CMDGETSTAT; 997 mbx.cmd.length = 0; 998 mbx.res.length = 0; 999 return mcd_send(sc, &mbx, 1); 1000 } 1001 1002 int 1003 mcd_getresult(sc, res) 1004 struct mcd_softc *sc; 1005 struct mcd_result *res; 1006 { 1007 int i, x; 1008 1009 if (sc->debug) 1010 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1011 res->length); 1012 1013 if ((x = mcd_getreply(sc)) < 0) { 1014 if (sc->debug) 1015 printf(" timeout\n"); 1016 else if (!sc->probe) 1017 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1018 return EIO; 1019 } 1020 if (sc->debug) 1021 printf(" %02x", (u_int)x); 1022 sc->status = x; 1023 mcd_setflags(sc); 1024 1025 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1026 return EINVAL; 1027 1028 for (i = 0; i < res->length; i++) { 1029 if ((x = mcd_getreply(sc)) < 0) { 1030 if (sc->debug) 1031 printf(" timeout\n"); 1032 else 1033 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1034 return EIO; 1035 } 1036 if (sc->debug) 1037 printf(" %02x", (u_int)x); 1038 res->data.raw.data[i] = x; 1039 } 1040 1041 if (sc->debug) 1042 printf(" succeeded\n"); 1043 1044 #ifdef MCDDEBUG 1045 delay(10); 1046 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1047 MCD_XF_STATUSUNAVAIL) == 0) { 1048 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1049 printf("%s: got extra byte %02x during getstatus\n", 1050 sc->sc_dev.dv_xname, (u_int)x); 1051 delay(10); 1052 } 1053 #endif 1054 1055 return 0; 1056 } 1057 1058 void 1059 mcd_setflags(sc) 1060 struct mcd_softc *sc; 1061 { 1062 1063 /* Check flags. */ 1064 if ((sc->flags & MCDF_LOADED) != 0 && 1065 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1066 MCD_ST_DSKIN) { 1067 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1068 printf("%s: door open\n", sc->sc_dev.dv_xname); 1069 else if ((sc->status & MCD_ST_DSKIN) == 0) 1070 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1071 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1072 printf("%s: media change\n", sc->sc_dev.dv_xname); 1073 sc->flags &= ~MCDF_LOADED; 1074 } 1075 1076 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1077 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1078 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1079 sc->audio_status == CD_AS_AUDIO_INVALID) 1080 sc->audio_status = CD_AS_PLAY_COMPLETED; 1081 } 1082 1083 int 1084 mcd_send(sc, mbx, diskin) 1085 struct mcd_softc *sc; 1086 struct mcd_mbox *mbx; 1087 int diskin; 1088 { 1089 int retry, i, error; 1090 bus_space_tag_t iot = sc->sc_iot; 1091 bus_space_handle_t ioh = sc->sc_ioh; 1092 1093 if (sc->debug) { 1094 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1095 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1096 for (i = 0; i < mbx->cmd.length; i++) 1097 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1098 printf("\n"); 1099 } 1100 1101 for (retry = MCD_RETRIES; retry; retry--) { 1102 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1103 for (i = 0; i < mbx->cmd.length; i++) 1104 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1105 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1106 break; 1107 if (error == EINVAL) 1108 return error; 1109 } 1110 if (!retry) 1111 return error; 1112 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1113 return EIO; 1114 1115 return 0; 1116 } 1117 1118 static int 1119 bcd2bin(b) 1120 bcd_t b; 1121 { 1122 1123 return (b >> 4) * 10 + (b & 15); 1124 } 1125 1126 static bcd_t 1127 bin2bcd(b) 1128 int b; 1129 { 1130 1131 return ((b / 10) << 4) | (b % 10); 1132 } 1133 1134 static void 1135 hsg2msf(hsg, msf) 1136 int hsg; 1137 bcd_t *msf; 1138 { 1139 1140 hsg += 150; 1141 F_msf(msf) = bin2bcd(hsg % 75); 1142 hsg /= 75; 1143 S_msf(msf) = bin2bcd(hsg % 60); 1144 hsg /= 60; 1145 M_msf(msf) = bin2bcd(hsg); 1146 } 1147 1148 static daddr_t 1149 msf2hsg(msf, relative) 1150 bcd_t *msf; 1151 int relative; 1152 { 1153 daddr_t blkno; 1154 1155 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1156 bcd2bin(S_msf(msf)) * 75 + 1157 bcd2bin(F_msf(msf)); 1158 if (!relative) 1159 blkno -= 150; 1160 return blkno; 1161 } 1162 1163 void 1164 mcd_pseudointr(v) 1165 void *v; 1166 { 1167 struct mcd_softc *sc = v; 1168 int s; 1169 1170 s = splbio(); 1171 (void) mcdintr(sc); 1172 splx(s); 1173 } 1174 1175 /* 1176 * State machine to process read requests. 1177 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1178 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1179 * MCD_S_WAITREAD: wait for read ready, read data. 1180 */ 1181 int 1182 mcdintr(arg) 1183 void *arg; 1184 { 1185 struct mcd_softc *sc = arg; 1186 struct mcd_mbx *mbx = &sc->mbx; 1187 struct buf *bp = mbx->bp; 1188 bus_space_tag_t iot = sc->sc_iot; 1189 bus_space_handle_t ioh = sc->sc_ioh; 1190 1191 int i; 1192 u_char x; 1193 bcd_t msf[3]; 1194 1195 switch (mbx->state) { 1196 case MCD_S_IDLE: 1197 return 0; 1198 1199 case MCD_S_BEGIN: 1200 tryagain: 1201 if (mbx->mode == sc->lastmode) 1202 goto firstblock; 1203 1204 sc->lastmode = MCD_MD_UNKNOWN; 1205 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1206 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1207 1208 mbx->count = RDELAY_WAITMODE; 1209 mbx->state = MCD_S_WAITMODE; 1210 1211 case MCD_S_WAITMODE: 1212 callout_stop(&sc->sc_pintr_ch); 1213 for (i = 20; i; i--) { 1214 x = bus_space_read_1(iot, ioh, MCD_XFER); 1215 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1216 break; 1217 delay(50); 1218 } 1219 if (i == 0) 1220 goto hold; 1221 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1222 mcd_setflags(sc); 1223 if ((sc->flags & MCDF_LOADED) == 0) 1224 goto changed; 1225 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1226 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1227 1228 sc->lastmode = mbx->mode; 1229 1230 firstblock: 1231 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1232 bp, 0, 0); 1233 1234 /* Build parameter block. */ 1235 hsg2msf(mbx->blkno, msf); 1236 1237 /* Send the read command. */ 1238 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1239 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1240 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1241 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1242 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1243 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1244 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1245 1246 mbx->count = RDELAY_WAITREAD; 1247 mbx->state = MCD_S_WAITREAD; 1248 1249 case MCD_S_WAITREAD: 1250 callout_stop(&sc->sc_pintr_ch); 1251 nextblock: 1252 loop: 1253 for (i = 20; i; i--) { 1254 x = bus_space_read_1(iot, ioh, MCD_XFER); 1255 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1256 goto gotblock; 1257 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1258 break; 1259 delay(50); 1260 } 1261 if (i == 0) 1262 goto hold; 1263 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1264 mcd_setflags(sc); 1265 if ((sc->flags & MCDF_LOADED) == 0) 1266 goto changed; 1267 #if 0 1268 printf("%s: got status byte %02x during read\n", 1269 sc->sc_dev.dv_xname, (u_int)sc->status); 1270 #endif 1271 goto loop; 1272 1273 gotblock: 1274 MCD_TRACE("doread: got data delay=%d\n", 1275 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1276 1277 /* Data is ready. */ 1278 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1279 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1280 bp->b_data + mbx->skip, mbx->sz); 1281 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1282 mbx->blkno += 1; 1283 mbx->skip += mbx->sz; 1284 if (--mbx->nblk > 0) 1285 goto nextblock; 1286 1287 mbx->state = MCD_S_IDLE; 1288 1289 /* Return buffer. */ 1290 bp->b_resid = 0; 1291 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1292 biodone(bp); 1293 1294 mcdstart(sc); 1295 return 1; 1296 1297 hold: 1298 if (mbx->count-- < 0) { 1299 printf("%s: timeout in state %d", 1300 sc->sc_dev.dv_xname, mbx->state); 1301 goto readerr; 1302 } 1303 1304 #if 0 1305 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1306 mbx->state); 1307 #endif 1308 callout_reset(&sc->sc_pintr_ch, hz / 100, 1309 mcd_pseudointr, sc); 1310 return -1; 1311 } 1312 1313 readerr: 1314 if (mbx->retry-- > 0) { 1315 printf("; retrying\n"); 1316 goto tryagain; 1317 } else 1318 printf("; giving up\n"); 1319 1320 changed: 1321 /* Invalidate the buffer. */ 1322 bp->b_flags |= B_ERROR; 1323 bp->b_resid = bp->b_bcount - mbx->skip; 1324 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1325 (bp->b_flags & B_READ)); 1326 biodone(bp); 1327 1328 mcdstart(sc); 1329 return -1; 1330 1331 #ifdef notyet 1332 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1333 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1334 delay(300000); 1335 (void) mcd_getstat(sc, 1); 1336 (void) mcd_getstat(sc, 1); 1337 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1338 sc->debug = 1; /* preventive set debug mode */ 1339 #endif 1340 } 1341 1342 void 1343 mcd_soft_reset(sc) 1344 struct mcd_softc *sc; 1345 { 1346 1347 sc->debug = 0; 1348 sc->flags = 0; 1349 sc->lastmode = MCD_MD_UNKNOWN; 1350 sc->lastupc = MCD_UPC_UNKNOWN; 1351 sc->audio_status = CD_AS_AUDIO_INVALID; 1352 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1353 } 1354 1355 int 1356 mcd_hard_reset(sc) 1357 struct mcd_softc *sc; 1358 { 1359 struct mcd_mbox mbx; 1360 1361 mcd_soft_reset(sc); 1362 1363 mbx.cmd.opcode = MCD_CMDRESET; 1364 mbx.cmd.length = 0; 1365 mbx.res.length = 0; 1366 return mcd_send(sc, &mbx, 0); 1367 } 1368 1369 int 1370 mcd_setmode(sc, mode) 1371 struct mcd_softc *sc; 1372 int mode; 1373 { 1374 struct mcd_mbox mbx; 1375 int error; 1376 1377 if (sc->lastmode == mode) 1378 return 0; 1379 if (sc->debug) 1380 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1381 sc->lastmode = MCD_MD_UNKNOWN; 1382 1383 mbx.cmd.opcode = MCD_CMDSETMODE; 1384 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1385 mbx.cmd.data.datamode.mode = mode; 1386 mbx.res.length = 0; 1387 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1388 return error; 1389 1390 sc->lastmode = mode; 1391 return 0; 1392 } 1393 1394 int 1395 mcd_setupc(sc, upc) 1396 struct mcd_softc *sc; 1397 int upc; 1398 { 1399 struct mcd_mbox mbx; 1400 int error; 1401 1402 if (sc->lastupc == upc) 1403 return 0; 1404 if (sc->debug) 1405 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1406 sc->lastupc = MCD_UPC_UNKNOWN; 1407 1408 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1409 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1410 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1411 mbx.cmd.data.config.data1 = upc; 1412 mbx.res.length = 0; 1413 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1414 return error; 1415 1416 sc->lastupc = upc; 1417 return 0; 1418 } 1419 1420 int 1421 mcd_toc_header(sc, th) 1422 struct mcd_softc *sc; 1423 struct ioc_toc_header *th; 1424 { 1425 1426 if (sc->debug) 1427 printf("%s: mcd_toc_header: reading toc header\n", 1428 sc->sc_dev.dv_xname); 1429 1430 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1431 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1432 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1433 1434 return 0; 1435 } 1436 1437 int 1438 mcd_read_toc(sc) 1439 struct mcd_softc *sc; 1440 { 1441 struct ioc_toc_header th; 1442 union mcd_qchninfo q; 1443 int error, trk, idx, retry; 1444 1445 if ((error = mcd_toc_header(sc, &th)) != 0) 1446 return error; 1447 1448 if ((error = mcd_stop(sc)) != 0) 1449 return error; 1450 1451 if (sc->debug) 1452 printf("%s: read_toc: reading qchannel info\n", 1453 sc->sc_dev.dv_xname); 1454 1455 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1456 sc->toc[trk].toc.idx_no = 0x00; 1457 trk = th.ending_track - th.starting_track + 1; 1458 for (retry = 300; retry && trk > 0; retry--) { 1459 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1460 break; 1461 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1462 continue; 1463 idx = bcd2bin(q.toc.idx_no); 1464 if (idx < MCD_MAXTOCS && 1465 sc->toc[idx].toc.idx_no == 0x00) { 1466 sc->toc[idx] = q; 1467 trk--; 1468 } 1469 } 1470 1471 /* Inform the drive that we're finished so it turns off the light. */ 1472 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1473 return error; 1474 1475 if (trk != 0) 1476 return EINVAL; 1477 1478 /* Add a fake last+1 for mcd_playtracks(). */ 1479 idx = th.ending_track + 1; 1480 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1481 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1482 sc->toc[idx].toc.trk_no = 0x00; 1483 sc->toc[idx].toc.idx_no = 0xaa; 1484 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1485 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1486 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1487 1488 return 0; 1489 } 1490 1491 int 1492 mcd_toc_entries(sc, te) 1493 struct mcd_softc *sc; 1494 struct ioc_read_toc_entry *te; 1495 { 1496 int len = te->data_len; 1497 struct ret_toc { 1498 struct ioc_toc_header header; 1499 struct cd_toc_entry entries[MCD_MAXTOCS]; 1500 } data; 1501 u_char trk; 1502 daddr_t lba; 1503 int error, n; 1504 1505 if (len > sizeof(data.entries) || 1506 len < sizeof(struct cd_toc_entry)) 1507 return EINVAL; 1508 if (te->address_format != CD_MSF_FORMAT && 1509 te->address_format != CD_LBA_FORMAT) 1510 return EINVAL; 1511 1512 /* Copy the TOC header. */ 1513 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1514 return error; 1515 1516 /* Verify starting track. */ 1517 trk = te->starting_track; 1518 if (trk == 0x00) 1519 trk = data.header.starting_track; 1520 else if (trk == 0xaa) 1521 trk = data.header.ending_track + 1; 1522 else if (trk < data.header.starting_track || 1523 trk > data.header.ending_track + 1) 1524 return EINVAL; 1525 1526 /* Copy the TOC data. */ 1527 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1528 if (sc->toc[trk].toc.idx_no == 0x00) 1529 continue; 1530 data.entries[n].control = sc->toc[trk].toc.control; 1531 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1532 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1533 switch (te->address_format) { 1534 case CD_MSF_FORMAT: 1535 data.entries[n].addr.addr[0] = 0; 1536 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1537 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1538 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1539 break; 1540 case CD_LBA_FORMAT: 1541 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1542 data.entries[n].addr.addr[0] = lba >> 24; 1543 data.entries[n].addr.addr[1] = lba >> 16; 1544 data.entries[n].addr.addr[2] = lba >> 8; 1545 data.entries[n].addr.addr[3] = lba; 1546 break; 1547 } 1548 n++; 1549 } 1550 1551 len = min(len, n * sizeof(struct cd_toc_entry)); 1552 1553 /* Copy the data back. */ 1554 return copyout(&data.entries[0], te->data, len); 1555 } 1556 1557 int 1558 mcd_stop(sc) 1559 struct mcd_softc *sc; 1560 { 1561 struct mcd_mbox mbx; 1562 int error; 1563 1564 if (sc->debug) 1565 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1566 1567 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1568 mbx.cmd.length = 0; 1569 mbx.res.length = 0; 1570 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1571 return error; 1572 1573 sc->audio_status = CD_AS_PLAY_COMPLETED; 1574 return 0; 1575 } 1576 1577 int 1578 mcd_getqchan(sc, q, qchn) 1579 struct mcd_softc *sc; 1580 union mcd_qchninfo *q; 1581 int qchn; 1582 { 1583 struct mcd_mbox mbx; 1584 int error; 1585 1586 if (qchn == CD_TRACK_INFO) { 1587 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1588 return error; 1589 } else { 1590 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1591 return error; 1592 } 1593 if (qchn == CD_MEDIA_CATALOG) { 1594 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1595 return error; 1596 } else { 1597 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1598 return error; 1599 } 1600 1601 mbx.cmd.opcode = MCD_CMDGETQCHN; 1602 mbx.cmd.length = 0; 1603 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1604 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1605 return error; 1606 1607 *q = mbx.res.data.qchninfo; 1608 return 0; 1609 } 1610 1611 int 1612 mcd_read_subchannel(sc, ch) 1613 struct mcd_softc *sc; 1614 struct ioc_read_subchannel *ch; 1615 { 1616 int len = ch->data_len; 1617 union mcd_qchninfo q; 1618 struct cd_sub_channel_info data; 1619 daddr_t lba; 1620 int error; 1621 1622 if (sc->debug) 1623 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1624 ch->address_format, ch->data_format); 1625 1626 if (len > sizeof(data) || 1627 len < sizeof(struct cd_sub_channel_header)) 1628 return EINVAL; 1629 if (ch->address_format != CD_MSF_FORMAT && 1630 ch->address_format != CD_LBA_FORMAT) 1631 return EINVAL; 1632 if (ch->data_format != CD_CURRENT_POSITION && 1633 ch->data_format != CD_MEDIA_CATALOG) 1634 return EINVAL; 1635 1636 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1637 return error; 1638 1639 data.header.audio_status = sc->audio_status; 1640 data.what.media_catalog.data_format = ch->data_format; 1641 1642 switch (ch->data_format) { 1643 case CD_MEDIA_CATALOG: 1644 data.what.media_catalog.mc_valid = 1; 1645 #if 0 1646 data.what.media_catalog.mc_number = 1647 #endif 1648 break; 1649 1650 case CD_CURRENT_POSITION: 1651 data.what.position.track_number = bcd2bin(q.current.trk_no); 1652 data.what.position.index_number = bcd2bin(q.current.idx_no); 1653 switch (ch->address_format) { 1654 case CD_MSF_FORMAT: 1655 data.what.position.reladdr.addr[0] = 0; 1656 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1657 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1658 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1659 data.what.position.absaddr.addr[0] = 0; 1660 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1661 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1662 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1663 break; 1664 case CD_LBA_FORMAT: 1665 lba = msf2hsg(q.current.relative_pos, 1); 1666 /* 1667 * Pre-gap has index number of 0, and decreasing MSF 1668 * address. Must be converted to negative LBA, per 1669 * SCSI spec. 1670 */ 1671 if (data.what.position.index_number == 0x00) 1672 lba = -lba; 1673 data.what.position.reladdr.addr[0] = lba >> 24; 1674 data.what.position.reladdr.addr[1] = lba >> 16; 1675 data.what.position.reladdr.addr[2] = lba >> 8; 1676 data.what.position.reladdr.addr[3] = lba; 1677 lba = msf2hsg(q.current.absolute_pos, 0); 1678 data.what.position.absaddr.addr[0] = lba >> 24; 1679 data.what.position.absaddr.addr[1] = lba >> 16; 1680 data.what.position.absaddr.addr[2] = lba >> 8; 1681 data.what.position.absaddr.addr[3] = lba; 1682 break; 1683 } 1684 break; 1685 } 1686 1687 return copyout(&data, ch->data, len); 1688 } 1689 1690 int 1691 mcd_playtracks(sc, p) 1692 struct mcd_softc *sc; 1693 struct ioc_play_track *p; 1694 { 1695 struct mcd_mbox mbx; 1696 int a = p->start_track; 1697 int z = p->end_track; 1698 int error; 1699 1700 if (sc->debug) 1701 printf("%s: playtracks: from %d:%d to %d:%d\n", 1702 sc->sc_dev.dv_xname, 1703 a, p->start_index, z, p->end_index); 1704 1705 if (a < bcd2bin(sc->volinfo.trk_low) || 1706 a > bcd2bin(sc->volinfo.trk_high) || 1707 a > z || 1708 z < bcd2bin(sc->volinfo.trk_low) || 1709 z > bcd2bin(sc->volinfo.trk_high)) 1710 return EINVAL; 1711 1712 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1713 return error; 1714 1715 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1716 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1717 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1718 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1719 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1720 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1721 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1722 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1723 sc->lastpb = mbx.cmd; 1724 mbx.res.length = 0; 1725 return mcd_send(sc, &mbx, 1); 1726 } 1727 1728 int 1729 mcd_playmsf(sc, p) 1730 struct mcd_softc *sc; 1731 struct ioc_play_msf *p; 1732 { 1733 struct mcd_mbox mbx; 1734 int error; 1735 1736 if (sc->debug) 1737 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1738 sc->sc_dev.dv_xname, 1739 p->start_m, p->start_s, p->start_f, 1740 p->end_m, p->end_s, p->end_f); 1741 1742 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1743 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1744 return EINVAL; 1745 1746 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1747 return error; 1748 1749 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1750 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1751 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1752 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1753 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1754 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1755 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1756 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1757 sc->lastpb = mbx.cmd; 1758 mbx.res.length = 0; 1759 return mcd_send(sc, &mbx, 1); 1760 } 1761 1762 int 1763 mcd_playblocks(sc, p) 1764 struct mcd_softc *sc; 1765 struct ioc_play_blocks *p; 1766 { 1767 struct mcd_mbox mbx; 1768 int error; 1769 1770 if (sc->debug) 1771 printf("%s: playblocks: blkno %d length %d\n", 1772 sc->sc_dev.dv_xname, p->blk, p->len); 1773 1774 if (p->blk > sc->disksize || p->len > sc->disksize || 1775 (p->blk + p->len) > sc->disksize) 1776 return 0; 1777 1778 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1779 return error; 1780 1781 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1782 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1783 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1784 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1785 sc->lastpb = mbx.cmd; 1786 mbx.res.length = 0; 1787 return mcd_send(sc, &mbx, 1); 1788 } 1789 1790 int 1791 mcd_pause(sc) 1792 struct mcd_softc *sc; 1793 { 1794 union mcd_qchninfo q; 1795 int error; 1796 1797 /* Verify current status. */ 1798 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1799 printf("%s: pause: attempted when not playing\n", 1800 sc->sc_dev.dv_xname); 1801 return EINVAL; 1802 } 1803 1804 /* Get the current position. */ 1805 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1806 return error; 1807 1808 /* Copy it into lastpb. */ 1809 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1810 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1811 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1812 1813 /* Stop playing. */ 1814 if ((error = mcd_stop(sc)) != 0) 1815 return error; 1816 1817 /* Set the proper status and exit. */ 1818 sc->audio_status = CD_AS_PLAY_PAUSED; 1819 return 0; 1820 } 1821 1822 int 1823 mcd_resume(sc) 1824 struct mcd_softc *sc; 1825 { 1826 struct mcd_mbox mbx; 1827 int error; 1828 1829 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1830 return EINVAL; 1831 1832 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1833 return error; 1834 1835 mbx.cmd = sc->lastpb; 1836 mbx.res.length = 0; 1837 return mcd_send(sc, &mbx, 1); 1838 } 1839 1840 int 1841 mcd_eject(sc) 1842 struct mcd_softc *sc; 1843 { 1844 struct mcd_mbox mbx; 1845 1846 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1847 mbx.cmd.length = 0; 1848 mbx.res.length = 0; 1849 return mcd_send(sc, &mbx, 0); 1850 } 1851 1852 int 1853 mcd_setlock(sc, mode) 1854 struct mcd_softc *sc; 1855 int mode; 1856 { 1857 struct mcd_mbox mbx; 1858 1859 mbx.cmd.opcode = MCD_CMDSETLOCK; 1860 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1861 mbx.cmd.data.lockmode.mode = mode; 1862 mbx.res.length = 0; 1863 return mcd_send(sc, &mbx, 1); 1864 } 1865
Indexes created Tue Sep 30 11:09:46 GMT 2025