Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/isa/mcd.c
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1 /* $NetBSD: mcd.c,v 1.85 2003/11/07 04:10:57 mycroft 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 1.85 2003/11/07 04:10:57 mycroft Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/callout.h> 64 #include <sys/kernel.h> 65 #include <sys/proc.h> 66 #include <sys/conf.h> 67 #include <sys/file.h> 68 #include <sys/buf.h> 69 #include <sys/stat.h> 70 #include <sys/uio.h> 71 #include <sys/ioctl.h> 72 #include <sys/cdio.h> 73 #include <sys/errno.h> 74 #include <sys/disklabel.h> 75 #include <sys/device.h> 76 #include <sys/disk.h> 77 78 #include <machine/cpu.h> 79 #include <machine/intr.h> 80 #include <machine/bus.h> 81 82 #include <dev/isa/isavar.h> 83 #include <dev/isa/mcdreg.h> 84 85 #ifndef MCDDEBUG 86 #define MCD_TRACE(fmt,a,b,c,d) 87 #else 88 #define MCD_TRACE(fmt,a,b,c,d) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}} 89 #endif 90 91 #define MCDPART(dev) DISKPART(dev) 92 #define MCDUNIT(dev) DISKUNIT(dev) 93 94 /* toc */ 95 #define MCD_MAXTOCS 104 /* from the Linux driver */ 96 97 /* control promiscuous match */ 98 #include "opt_mcd_promisc.h" 99 100 #ifdef MCD_PROMISC 101 int mcd_promisc = 1; 102 #else 103 int mcd_promisc = 0; 104 #endif 105 106 struct mcd_mbx { 107 int retry, count; 108 struct buf *bp; 109 daddr_t blkno; 110 int nblk; 111 int sz; 112 u_long skip; 113 int state; 114 #define MCD_S_IDLE 0 115 #define MCD_S_BEGIN 1 116 #define MCD_S_WAITMODE 2 117 #define MCD_S_WAITREAD 3 118 int mode; 119 }; 120 121 struct mcd_softc { 122 struct device sc_dev; 123 struct disk sc_dk; 124 struct lock sc_lock; 125 void *sc_ih; 126 127 struct callout sc_pintr_ch; 128 129 bus_space_tag_t sc_iot; 130 bus_space_handle_t sc_ioh; 131 132 int irq, drq; 133 134 char *type; 135 int flags; 136 #define MCDF_WLABEL 0x04 /* label is writable */ 137 #define MCDF_LABELLING 0x08 /* writing label */ 138 #define MCDF_LOADED 0x10 /* parameters loaded */ 139 short status; 140 short audio_status; 141 int blksize; 142 u_long disksize; 143 struct mcd_volinfo volinfo; 144 union mcd_qchninfo toc[MCD_MAXTOCS]; 145 struct mcd_command lastpb; 146 struct mcd_mbx mbx; 147 int lastmode; 148 #define MCD_MD_UNKNOWN -1 149 int lastupc; 150 #define MCD_UPC_UNKNOWN -1 151 struct bufq_state buf_queue; 152 int active; 153 u_char readcmd; 154 u_char debug; 155 u_char probe; 156 }; 157 158 static int bcd2bin __P((bcd_t)); 159 static bcd_t bin2bcd __P((int)); 160 static void hsg2msf __P((int, bcd_t *)); 161 static daddr_t msf2hsg __P((bcd_t *, int)); 162 163 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 164 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 165 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 166 int mcd_stop __P((struct mcd_softc *)); 167 int mcd_eject __P((struct mcd_softc *)); 168 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 169 int mcd_pause __P((struct mcd_softc *)); 170 int mcd_resume __P((struct mcd_softc *)); 171 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 172 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 173 174 int mcd_getreply __P((struct mcd_softc *)); 175 int mcd_getstat __P((struct mcd_softc *)); 176 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 177 void mcd_setflags __P((struct mcd_softc *)); 178 int mcd_get __P((struct mcd_softc *, char *, int)); 179 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 180 int mcdintr __P((void *)); 181 void mcd_soft_reset __P((struct mcd_softc *)); 182 int mcd_hard_reset __P((struct mcd_softc *)); 183 int mcd_setmode __P((struct mcd_softc *, int)); 184 int mcd_setupc __P((struct mcd_softc *, int)); 185 int mcd_read_toc __P((struct mcd_softc *)); 186 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 187 int mcd_setlock __P((struct mcd_softc *, int)); 188 189 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 190 int mcdprobe __P((struct device *, struct cfdata *, void *)); 191 void mcdattach __P((struct device *, struct device *, void *)); 192 193 CFATTACH_DECL(mcd, sizeof(struct mcd_softc), 194 mcdprobe, mcdattach, NULL, NULL); 195 196 extern struct cfdriver mcd_cd; 197 198 dev_type_open(mcdopen); 199 dev_type_close(mcdclose); 200 dev_type_read(mcdread); 201 dev_type_write(mcdwrite); 202 dev_type_ioctl(mcdioctl); 203 dev_type_strategy(mcdstrategy); 204 dev_type_dump(mcddump); 205 dev_type_size(mcdsize); 206 207 const struct bdevsw mcd_bdevsw = { 208 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK 209 }; 210 211 const struct cdevsw mcd_cdevsw = { 212 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl, 213 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 214 }; 215 216 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 217 void mcdgetdisklabel __P((struct mcd_softc *)); 218 int mcd_get_parms __P((struct mcd_softc *)); 219 void mcdstart __P((struct mcd_softc *)); 220 void mcd_pseudointr __P((void *)); 221 222 struct dkdriver mcddkdriver = { mcdstrategy }; 223 224 #define MCD_RETRIES 3 225 #define MCD_RDRETRIES 3 226 227 /* several delays */ 228 #define RDELAY_WAITMODE 300 229 #define RDELAY_WAITREAD 800 230 231 #define DELAY_GRANULARITY 25 /* 25us */ 232 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 233 234 void 235 mcdattach(parent, self, aux) 236 struct device *parent, *self; 237 void *aux; 238 { 239 struct mcd_softc *sc = (void *)self; 240 struct isa_attach_args *ia = aux; 241 bus_space_tag_t iot = ia->ia_iot; 242 bus_space_handle_t ioh; 243 struct mcd_mbox mbx; 244 245 /* Map i/o space */ 246 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 247 printf(": can't map i/o space\n"); 248 return; 249 } 250 251 lockinit(&sc->sc_lock, PRIBIO | PCATCH, "mcdlock", 0, 0); 252 253 sc->sc_iot = iot; 254 sc->sc_ioh = ioh; 255 256 sc->probe = 0; 257 sc->debug = 0; 258 259 if (!mcd_find(iot, ioh, sc)) { 260 printf(": mcd_find failed\n"); 261 return; 262 } 263 264 bufq_alloc(&sc->buf_queue, BUFQ_DISKSORT|BUFQ_SORT_RAWBLOCK); 265 callout_init(&sc->sc_pintr_ch); 266 267 /* 268 * Initialize and attach the disk structure. 269 */ 270 sc->sc_dk.dk_driver = &mcddkdriver; 271 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 272 disk_attach(&sc->sc_dk); 273 274 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 275 276 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 277 278 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 279 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 280 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 281 mbx.cmd.data.config.data1 = 0x01; 282 mbx.res.length = 0; 283 (void) mcd_send(sc, &mbx, 0); 284 285 mcd_soft_reset(sc); 286 287 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 288 IST_EDGE, IPL_BIO, mcdintr, sc); 289 } 290 291 int 292 mcdopen(dev, flag, fmt, p) 293 dev_t dev; 294 int flag, fmt; 295 struct proc *p; 296 { 297 int error, part; 298 struct mcd_softc *sc; 299 300 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 301 if (sc == NULL) 302 return ENXIO; 303 304 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 305 return error; 306 307 if (sc->sc_dk.dk_openmask != 0) { 308 /* 309 * If any partition is open, but the disk has been invalidated, 310 * disallow further opens. 311 */ 312 if ((sc->flags & MCDF_LOADED) == 0) { 313 error = EIO; 314 goto bad3; 315 } 316 } else { 317 /* 318 * Lock the drawer. This will also notice any pending disk 319 * change or door open indicator and clear the MCDF_LOADED bit 320 * if necessary. 321 */ 322 (void) mcd_setlock(sc, MCD_LK_LOCK); 323 324 if ((sc->flags & MCDF_LOADED) == 0) { 325 /* Partially reset the state. */ 326 sc->lastmode = MCD_MD_UNKNOWN; 327 sc->lastupc = MCD_UPC_UNKNOWN; 328 329 sc->flags |= MCDF_LOADED; 330 331 /* Set the mode, causing the disk to spin up. */ 332 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 333 goto bad2; 334 335 /* Load the physical device parameters. */ 336 if (mcd_get_parms(sc) != 0) { 337 error = ENXIO; 338 goto bad2; 339 } 340 341 /* Read the table of contents. */ 342 if ((error = mcd_read_toc(sc)) != 0) 343 goto bad2; 344 345 /* Fabricate a disk label. */ 346 mcdgetdisklabel(sc); 347 } 348 } 349 350 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 351 sc->disksize, sc->blksize, 0); 352 353 part = MCDPART(dev); 354 355 /* Check that the partition exists. */ 356 if (part != RAW_PART && 357 (part >= sc->sc_dk.dk_label->d_npartitions || 358 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 359 error = ENXIO; 360 goto bad; 361 } 362 363 /* Insure only one open at a time. */ 364 switch (fmt) { 365 case S_IFCHR: 366 sc->sc_dk.dk_copenmask |= (1 << part); 367 break; 368 case S_IFBLK: 369 sc->sc_dk.dk_bopenmask |= (1 << part); 370 break; 371 } 372 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 373 374 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 375 return 0; 376 377 bad2: 378 sc->flags &= ~MCDF_LOADED; 379 380 bad: 381 if (sc->sc_dk.dk_openmask == 0) { 382 #if 0 383 (void) mcd_setmode(sc, MCD_MD_SLEEP); 384 #endif 385 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 386 } 387 388 bad3: 389 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 390 return error; 391 } 392 393 int 394 mcdclose(dev, flag, fmt, p) 395 dev_t dev; 396 int flag, fmt; 397 struct proc *p; 398 { 399 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 400 int part = MCDPART(dev); 401 int error; 402 403 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 404 405 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 406 return error; 407 408 switch (fmt) { 409 case S_IFCHR: 410 sc->sc_dk.dk_copenmask &= ~(1 << part); 411 break; 412 case S_IFBLK: 413 sc->sc_dk.dk_bopenmask &= ~(1 << part); 414 break; 415 } 416 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 417 418 if (sc->sc_dk.dk_openmask == 0) { 419 /* XXXX Must wait for I/O to complete! */ 420 421 #if 0 422 (void) mcd_setmode(sc, MCD_MD_SLEEP); 423 #endif 424 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 425 } 426 427 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 428 return 0; 429 } 430 431 void 432 mcdstrategy(bp) 433 struct buf *bp; 434 { 435 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 436 struct disklabel *lp = sc->sc_dk.dk_label; 437 daddr_t blkno; 438 int s; 439 440 /* Test validity. */ 441 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 442 bp->b_blkno, bp->b_bcount, 0); 443 if (bp->b_blkno < 0 || 444 (bp->b_bcount % sc->blksize) != 0) { 445 printf("%s: strategy: blkno = %d bcount = %ld\n", 446 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 447 bp->b_error = EINVAL; 448 goto bad; 449 } 450 451 /* If device invalidated (e.g. media change, door open), error. */ 452 if ((sc->flags & MCDF_LOADED) == 0) { 453 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 454 bp->b_error = EIO; 455 goto bad; 456 } 457 458 /* No data to read. */ 459 if (bp->b_bcount == 0) 460 goto done; 461 462 /* 463 * Do bounds checking, adjust transfer. if error, process. 464 * If end of partition, just return. 465 */ 466 if (MCDPART(bp->b_dev) != RAW_PART && 467 bounds_check_with_label(&sc->sc_dk, bp, 468 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 469 goto done; 470 471 /* 472 * Now convert the block number to absolute and put it in 473 * terms of the device's logical block size. 474 */ 475 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 476 if (MCDPART(bp->b_dev) != RAW_PART) 477 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 478 479 bp->b_rawblkno = blkno; 480 481 /* Queue it. */ 482 s = splbio(); 483 BUFQ_PUT(&sc->buf_queue, bp); 484 splx(s); 485 if (!sc->active) 486 mcdstart(sc); 487 return; 488 489 bad: 490 bp->b_flags |= B_ERROR; 491 done: 492 bp->b_resid = bp->b_bcount; 493 biodone(bp); 494 } 495 496 void 497 mcdstart(sc) 498 struct mcd_softc *sc; 499 { 500 struct buf *bp; 501 int s; 502 503 loop: 504 s = splbio(); 505 506 if ((bp = BUFQ_GET(&sc->buf_queue)) == NULL) { 507 /* Nothing to do. */ 508 sc->active = 0; 509 splx(s); 510 return; 511 } 512 513 /* Block found to process. */ 514 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 515 splx(s); 516 517 /* Changed media? */ 518 if ((sc->flags & MCDF_LOADED) == 0) { 519 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 520 bp->b_error = EIO; 521 bp->b_flags |= B_ERROR; 522 biodone(bp); 523 goto loop; 524 } 525 526 sc->active = 1; 527 528 /* Instrumentation. */ 529 s = splbio(); 530 disk_busy(&sc->sc_dk); 531 splx(s); 532 533 sc->mbx.retry = MCD_RDRETRIES; 534 sc->mbx.bp = bp; 535 sc->mbx.blkno = bp->b_rawblkno; 536 sc->mbx.nblk = bp->b_bcount / sc->blksize; 537 sc->mbx.sz = sc->blksize; 538 sc->mbx.skip = 0; 539 sc->mbx.state = MCD_S_BEGIN; 540 sc->mbx.mode = MCD_MD_COOKED; 541 542 s = splbio(); 543 (void) mcdintr(sc); 544 splx(s); 545 } 546 547 int 548 mcdread(dev, uio, flags) 549 dev_t dev; 550 struct uio *uio; 551 int flags; 552 { 553 554 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 555 } 556 557 int 558 mcdwrite(dev, uio, flags) 559 dev_t dev; 560 struct uio *uio; 561 int flags; 562 { 563 564 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 565 } 566 567 int 568 mcdioctl(dev, cmd, addr, flag, p) 569 dev_t dev; 570 u_long cmd; 571 caddr_t addr; 572 int flag; 573 struct proc *p; 574 { 575 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 576 int error; 577 int part; 578 #ifdef __HAVE_OLD_DISKLABEL 579 struct disklabel newlabel; 580 #endif 581 582 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 583 584 if ((sc->flags & MCDF_LOADED) == 0) 585 return EIO; 586 587 part = MCDPART(dev); 588 switch (cmd) { 589 case DIOCGDINFO: 590 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 591 return 0; 592 #ifdef __HAVE_OLD_DISKLABEL 593 case ODIOCGDINFO: 594 newlabel = *(sc->sc_dk.dk_label); 595 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 596 return ENOTTY; 597 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 598 return 0; 599 #endif 600 601 case DIOCGPART: 602 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 603 ((struct partinfo *)addr)->part = 604 &sc->sc_dk.dk_label->d_partitions[part]; 605 return 0; 606 607 case DIOCWDINFO: 608 case DIOCSDINFO: 609 #ifdef __HAVE_OLD_DISKLABEL 610 case ODIOCWDINFO: 611 case ODIOCSDINFO: 612 #endif 613 { 614 struct disklabel *lp; 615 616 if ((flag & FWRITE) == 0) 617 return EBADF; 618 619 #ifdef __HAVE_OLD_DISKLABEL 620 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 621 memset(&newlabel, 0, sizeof newlabel); 622 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 623 lp = &newlabel; 624 } else 625 #endif 626 lp = (struct disklabel *)addr; 627 628 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 629 return error; 630 sc->flags |= MCDF_LABELLING; 631 632 error = setdisklabel(sc->sc_dk.dk_label, 633 lp, /*sc->sc_dk.dk_openmask : */0, 634 sc->sc_dk.dk_cpulabel); 635 if (error == 0) { 636 } 637 638 sc->flags &= ~MCDF_LABELLING; 639 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 640 return error; 641 } 642 643 case DIOCWLABEL: 644 return EBADF; 645 646 case DIOCGDEFLABEL: 647 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 648 return 0; 649 650 #ifdef __HAVE_OLD_DISKLABEL 651 case ODIOCGDEFLABEL: 652 mcdgetdefaultlabel(sc, &newlabel); 653 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 654 return ENOTTY; 655 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 656 return 0; 657 #endif 658 659 case CDIOCPLAYTRACKS: 660 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 661 case CDIOCPLAYMSF: 662 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 663 case CDIOCPLAYBLOCKS: 664 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 665 case CDIOCREADSUBCHANNEL: 666 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 667 case CDIOREADTOCHEADER: 668 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 669 case CDIOREADTOCENTRYS: 670 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 671 case CDIOCSETPATCH: 672 case CDIOCGETVOL: 673 case CDIOCSETVOL: 674 case CDIOCSETMONO: 675 case CDIOCSETSTEREO: 676 case CDIOCSETMUTE: 677 case CDIOCSETLEFT: 678 case CDIOCSETRIGHT: 679 return EINVAL; 680 case CDIOCRESUME: 681 return mcd_resume(sc); 682 case CDIOCPAUSE: 683 return mcd_pause(sc); 684 case CDIOCSTART: 685 return EINVAL; 686 case CDIOCSTOP: 687 return mcd_stop(sc); 688 case DIOCEJECT: 689 if (*(int *)addr == 0) { 690 /* 691 * Don't force eject: check that we are the only 692 * partition open. If so, unlock it. 693 */ 694 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 695 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 696 sc->sc_dk.dk_openmask) { 697 error = mcd_setlock(sc, MCD_LK_UNLOCK); 698 if (error) 699 return (error); 700 } else { 701 return (EBUSY); 702 } 703 } 704 /* FALLTHROUGH */ 705 case CDIOCEJECT: /* FALLTHROUGH */ 706 case ODIOCEJECT: 707 return mcd_eject(sc); 708 case CDIOCALLOW: 709 return mcd_setlock(sc, MCD_LK_UNLOCK); 710 case CDIOCPREVENT: 711 return mcd_setlock(sc, MCD_LK_LOCK); 712 case DIOCLOCK: 713 return mcd_setlock(sc, 714 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 715 case CDIOCSETDEBUG: 716 sc->debug = 1; 717 return 0; 718 case CDIOCCLRDEBUG: 719 sc->debug = 0; 720 return 0; 721 case CDIOCRESET: 722 return mcd_hard_reset(sc); 723 724 default: 725 return ENOTTY; 726 } 727 728 #ifdef DIAGNOSTIC 729 panic("mcdioctl: impossible"); 730 #endif 731 } 732 733 void 734 mcdgetdefaultlabel(sc, lp) 735 struct mcd_softc *sc; 736 struct disklabel *lp; 737 { 738 739 memset(lp, 0, sizeof(struct disklabel)); 740 741 lp->d_secsize = sc->blksize; 742 lp->d_ntracks = 1; 743 lp->d_nsectors = 100; 744 lp->d_ncylinders = (sc->disksize / 100) + 1; 745 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 746 747 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 748 lp->d_type = 0; /* XXX */ 749 strncpy(lp->d_packname, "fictitious", 16); 750 lp->d_secperunit = sc->disksize; 751 lp->d_rpm = 300; 752 lp->d_interleave = 1; 753 lp->d_flags = D_REMOVABLE; 754 755 lp->d_partitions[0].p_offset = 0; 756 lp->d_partitions[0].p_size = 757 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 758 lp->d_partitions[0].p_fstype = FS_ISO9660; 759 lp->d_partitions[RAW_PART].p_offset = 0; 760 lp->d_partitions[RAW_PART].p_size = 761 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 762 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 763 lp->d_npartitions = RAW_PART + 1; 764 765 lp->d_magic = DISKMAGIC; 766 lp->d_magic2 = DISKMAGIC; 767 lp->d_checksum = dkcksum(lp); 768 } 769 770 /* 771 * This could have been taken from scsi/cd.c, but it is not clear 772 * whether the scsi cd driver is linked in. 773 */ 774 void 775 mcdgetdisklabel(sc) 776 struct mcd_softc *sc; 777 { 778 struct disklabel *lp = sc->sc_dk.dk_label; 779 780 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 781 782 mcdgetdefaultlabel(sc, lp); 783 } 784 785 int 786 mcd_get_parms(sc) 787 struct mcd_softc *sc; 788 { 789 struct mcd_mbox mbx; 790 daddr_t size; 791 int error; 792 793 /* Send volume info command. */ 794 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 795 mbx.cmd.length = 0; 796 mbx.res.length = sizeof(mbx.res.data.volinfo); 797 if ((error = mcd_send(sc, &mbx, 1)) != 0) 798 return error; 799 800 if (mbx.res.data.volinfo.trk_low == 0x00 && 801 mbx.res.data.volinfo.trk_high == 0x00) 802 return EINVAL; 803 804 /* Volinfo is OK. */ 805 sc->volinfo = mbx.res.data.volinfo; 806 sc->blksize = MCD_BLKSIZE_COOKED; 807 size = msf2hsg(sc->volinfo.vol_msf, 0); 808 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 809 return 0; 810 } 811 812 int 813 mcdsize(dev) 814 dev_t dev; 815 { 816 817 /* CD-ROMs are read-only. */ 818 return -1; 819 } 820 821 int 822 mcddump(dev, blkno, va, size) 823 dev_t dev; 824 daddr_t blkno; 825 caddr_t va; 826 size_t size; 827 { 828 829 /* Not implemented. */ 830 return ENXIO; 831 } 832 833 /* 834 * Find the board and fill in the softc. 835 */ 836 int 837 mcd_find(iot, ioh, sc) 838 bus_space_tag_t iot; 839 bus_space_handle_t ioh; 840 struct mcd_softc *sc; 841 { 842 int i; 843 struct mcd_mbox mbx; 844 845 sc->sc_iot = iot; 846 sc->sc_ioh = ioh; 847 848 /* Send a reset. */ 849 bus_space_write_1(iot, ioh, MCD_RESET, 0); 850 delay(1000000); 851 /* Get any pending status and throw away. */ 852 for (i = 10; i; i--) 853 bus_space_read_1(iot, ioh, MCD_STATUS); 854 delay(1000); 855 856 /* Send get status command. */ 857 mbx.cmd.opcode = MCD_CMDGETSTAT; 858 mbx.cmd.length = 0; 859 mbx.res.length = 0; 860 if (mcd_send(sc, &mbx, 0) != 0) 861 return 0; 862 863 /* Get info about the drive. */ 864 mbx.cmd.opcode = MCD_CMDCONTINFO; 865 mbx.cmd.length = 0; 866 mbx.res.length = sizeof(mbx.res.data.continfo); 867 if (mcd_send(sc, &mbx, 0) != 0) 868 return 0; 869 870 /* 871 * The following is code which is not guaranteed to work for all 872 * drives, because the meaning of the expected 'M' is not clear 873 * (M_itsumi is an obvious assumption, but I don't trust that). 874 * Also, the original hack had a bogus condition that always 875 * returned true. 876 * 877 * Note: Which models support interrupts? >=LU005S? 878 */ 879 sc->readcmd = MCD_CMDREADSINGLESPEED; 880 switch (mbx.res.data.continfo.code) { 881 case 'M': 882 if (mbx.res.data.continfo.version <= 2) 883 sc->type = "LU002S"; 884 else if (mbx.res.data.continfo.version <= 5) 885 sc->type = "LU005S"; 886 else 887 sc->type = "LU006S"; 888 break; 889 case 'F': 890 sc->type = "FX001"; 891 break; 892 case 'D': 893 sc->type = "FX001D"; 894 sc->readcmd = MCD_CMDREADDOUBLESPEED; 895 break; 896 default: 897 /* 898 * mcd_send() says the response looked OK but the 899 * drive type is unknown. If mcd_promisc, match anyway. 900 */ 901 if (mcd_promisc != 0) 902 return 0; 903 904 #ifdef MCDDEBUG 905 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 906 sc->sc_dev.dv_xname, 907 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 908 #endif 909 sc->type = 0; 910 break; 911 } 912 913 return 1; 914 915 } 916 917 int 918 mcdprobe(parent, match, aux) 919 struct device *parent; 920 struct cfdata *match; 921 void *aux; 922 { 923 struct isa_attach_args *ia = aux; 924 struct mcd_softc sc; 925 bus_space_tag_t iot = ia->ia_iot; 926 bus_space_handle_t ioh; 927 int rv; 928 929 if (ia->ia_nio < 1) 930 return (0); 931 if (ia->ia_nirq < 1) 932 return (0); 933 934 if (ISA_DIRECT_CONFIG(ia)) 935 return (0); 936 937 /* Disallow wildcarded i/o address. */ 938 if (ia->ia_io[0].ir_addr == ISACF_PORT_DEFAULT) 939 return (0); 940 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT) 941 return (0); 942 943 /* Map i/o space */ 944 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 945 return 0; 946 947 sc.debug = 0; 948 sc.probe = 1; 949 950 rv = mcd_find(iot, ioh, &sc); 951 952 bus_space_unmap(iot, ioh, MCD_NPORT); 953 954 if (rv) { 955 ia->ia_nio = 1; 956 ia->ia_io[0].ir_addr = MCD_NPORT; 957 958 ia->ia_nirq = 1; 959 960 ia->ia_niomem = 0; 961 ia->ia_ndrq = 0; 962 } 963 964 return (rv); 965 } 966 967 int 968 mcd_getreply(sc) 969 struct mcd_softc *sc; 970 { 971 bus_space_tag_t iot = sc->sc_iot; 972 bus_space_handle_t ioh = sc->sc_ioh; 973 int i; 974 975 /* Wait until xfer port senses data ready. */ 976 for (i = DELAY_GETREPLY; i; i--) { 977 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 978 MCD_XF_STATUSUNAVAIL) == 0) 979 break; 980 delay(DELAY_GRANULARITY); 981 } 982 if (!i) 983 return -1; 984 985 /* Get the data. */ 986 return bus_space_read_1(iot, ioh, MCD_STATUS); 987 } 988 989 int 990 mcd_getstat(sc) 991 struct mcd_softc *sc; 992 { 993 struct mcd_mbox mbx; 994 995 mbx.cmd.opcode = MCD_CMDGETSTAT; 996 mbx.cmd.length = 0; 997 mbx.res.length = 0; 998 return mcd_send(sc, &mbx, 1); 999 } 1000 1001 int 1002 mcd_getresult(sc, res) 1003 struct mcd_softc *sc; 1004 struct mcd_result *res; 1005 { 1006 int i, x; 1007 1008 if (sc->debug) 1009 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1010 res->length); 1011 1012 if ((x = mcd_getreply(sc)) < 0) { 1013 if (sc->debug) 1014 printf(" timeout\n"); 1015 else if (!sc->probe) 1016 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1017 return EIO; 1018 } 1019 if (sc->debug) 1020 printf(" %02x", (u_int)x); 1021 sc->status = x; 1022 mcd_setflags(sc); 1023 1024 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1025 return EINVAL; 1026 1027 for (i = 0; i < res->length; i++) { 1028 if ((x = mcd_getreply(sc)) < 0) { 1029 if (sc->debug) 1030 printf(" timeout\n"); 1031 else 1032 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1033 return EIO; 1034 } 1035 if (sc->debug) 1036 printf(" %02x", (u_int)x); 1037 res->data.raw.data[i] = x; 1038 } 1039 1040 if (sc->debug) 1041 printf(" succeeded\n"); 1042 1043 #ifdef MCDDEBUG 1044 delay(10); 1045 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1046 MCD_XF_STATUSUNAVAIL) == 0) { 1047 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1048 printf("%s: got extra byte %02x during getstatus\n", 1049 sc->sc_dev.dv_xname, (u_int)x); 1050 delay(10); 1051 } 1052 #endif 1053 1054 return 0; 1055 } 1056 1057 void 1058 mcd_setflags(sc) 1059 struct mcd_softc *sc; 1060 { 1061 1062 /* Check flags. */ 1063 if ((sc->flags & MCDF_LOADED) != 0 && 1064 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1065 MCD_ST_DSKIN) { 1066 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1067 printf("%s: door open\n", sc->sc_dev.dv_xname); 1068 else if ((sc->status & MCD_ST_DSKIN) == 0) 1069 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1070 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1071 printf("%s: media change\n", sc->sc_dev.dv_xname); 1072 sc->flags &= ~MCDF_LOADED; 1073 } 1074 1075 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1076 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1077 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1078 sc->audio_status == CD_AS_AUDIO_INVALID) 1079 sc->audio_status = CD_AS_PLAY_COMPLETED; 1080 } 1081 1082 int 1083 mcd_send(sc, mbx, diskin) 1084 struct mcd_softc *sc; 1085 struct mcd_mbox *mbx; 1086 int diskin; 1087 { 1088 int retry, i, error; 1089 bus_space_tag_t iot = sc->sc_iot; 1090 bus_space_handle_t ioh = sc->sc_ioh; 1091 1092 if (sc->debug) { 1093 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1094 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1095 for (i = 0; i < mbx->cmd.length; i++) 1096 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1097 printf("\n"); 1098 } 1099 1100 for (retry = MCD_RETRIES; retry; retry--) { 1101 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1102 for (i = 0; i < mbx->cmd.length; i++) 1103 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1104 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1105 break; 1106 if (error == EINVAL) 1107 return error; 1108 } 1109 if (!retry) 1110 return error; 1111 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1112 return EIO; 1113 1114 return 0; 1115 } 1116 1117 static int 1118 bcd2bin(b) 1119 bcd_t b; 1120 { 1121 1122 return (b >> 4) * 10 + (b & 15); 1123 } 1124 1125 static bcd_t 1126 bin2bcd(b) 1127 int b; 1128 { 1129 1130 return ((b / 10) << 4) | (b % 10); 1131 } 1132 1133 static void 1134 hsg2msf(hsg, msf) 1135 int hsg; 1136 bcd_t *msf; 1137 { 1138 1139 hsg += 150; 1140 F_msf(msf) = bin2bcd(hsg % 75); 1141 hsg /= 75; 1142 S_msf(msf) = bin2bcd(hsg % 60); 1143 hsg /= 60; 1144 M_msf(msf) = bin2bcd(hsg); 1145 } 1146 1147 static daddr_t 1148 msf2hsg(msf, relative) 1149 bcd_t *msf; 1150 int relative; 1151 { 1152 daddr_t blkno; 1153 1154 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1155 bcd2bin(S_msf(msf)) * 75 + 1156 bcd2bin(F_msf(msf)); 1157 if (!relative) 1158 blkno -= 150; 1159 return blkno; 1160 } 1161 1162 void 1163 mcd_pseudointr(v) 1164 void *v; 1165 { 1166 struct mcd_softc *sc = v; 1167 int s; 1168 1169 s = splbio(); 1170 (void) mcdintr(sc); 1171 splx(s); 1172 } 1173 1174 /* 1175 * State machine to process read requests. 1176 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1177 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1178 * MCD_S_WAITREAD: wait for read ready, read data. 1179 */ 1180 int 1181 mcdintr(arg) 1182 void *arg; 1183 { 1184 struct mcd_softc *sc = arg; 1185 struct mcd_mbx *mbx = &sc->mbx; 1186 struct buf *bp = mbx->bp; 1187 bus_space_tag_t iot = sc->sc_iot; 1188 bus_space_handle_t ioh = sc->sc_ioh; 1189 1190 int i; 1191 u_char x; 1192 bcd_t msf[3]; 1193 1194 switch (mbx->state) { 1195 case MCD_S_IDLE: 1196 return 0; 1197 1198 case MCD_S_BEGIN: 1199 tryagain: 1200 if (mbx->mode == sc->lastmode) 1201 goto firstblock; 1202 1203 sc->lastmode = MCD_MD_UNKNOWN; 1204 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1205 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1206 1207 mbx->count = RDELAY_WAITMODE; 1208 mbx->state = MCD_S_WAITMODE; 1209 1210 case MCD_S_WAITMODE: 1211 callout_stop(&sc->sc_pintr_ch); 1212 for (i = 20; i; i--) { 1213 x = bus_space_read_1(iot, ioh, MCD_XFER); 1214 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1215 break; 1216 delay(50); 1217 } 1218 if (i == 0) 1219 goto hold; 1220 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1221 mcd_setflags(sc); 1222 if ((sc->flags & MCDF_LOADED) == 0) 1223 goto changed; 1224 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1225 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1226 1227 sc->lastmode = mbx->mode; 1228 1229 firstblock: 1230 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1231 bp, 0, 0); 1232 1233 /* Build parameter block. */ 1234 hsg2msf(mbx->blkno, msf); 1235 1236 /* Send the read command. */ 1237 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1238 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1239 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1240 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1241 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1242 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1243 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1244 1245 mbx->count = RDELAY_WAITREAD; 1246 mbx->state = MCD_S_WAITREAD; 1247 1248 case MCD_S_WAITREAD: 1249 callout_stop(&sc->sc_pintr_ch); 1250 nextblock: 1251 loop: 1252 for (i = 20; i; i--) { 1253 x = bus_space_read_1(iot, ioh, MCD_XFER); 1254 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1255 goto gotblock; 1256 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1257 break; 1258 delay(50); 1259 } 1260 if (i == 0) 1261 goto hold; 1262 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1263 mcd_setflags(sc); 1264 if ((sc->flags & MCDF_LOADED) == 0) 1265 goto changed; 1266 #if 0 1267 printf("%s: got status byte %02x during read\n", 1268 sc->sc_dev.dv_xname, (u_int)sc->status); 1269 #endif 1270 goto loop; 1271 1272 gotblock: 1273 MCD_TRACE("doread: got data delay=%d\n", 1274 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1275 1276 /* Data is ready. */ 1277 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1278 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1279 bp->b_data + mbx->skip, mbx->sz); 1280 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1281 mbx->blkno += 1; 1282 mbx->skip += mbx->sz; 1283 if (--mbx->nblk > 0) 1284 goto nextblock; 1285 1286 mbx->state = MCD_S_IDLE; 1287 1288 /* Return buffer. */ 1289 bp->b_resid = 0; 1290 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1291 biodone(bp); 1292 1293 mcdstart(sc); 1294 return 1; 1295 1296 hold: 1297 if (mbx->count-- < 0) { 1298 printf("%s: timeout in state %d", 1299 sc->sc_dev.dv_xname, mbx->state); 1300 goto readerr; 1301 } 1302 1303 #if 0 1304 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1305 mbx->state); 1306 #endif 1307 callout_reset(&sc->sc_pintr_ch, hz / 100, 1308 mcd_pseudointr, sc); 1309 return -1; 1310 } 1311 1312 readerr: 1313 if (mbx->retry-- > 0) { 1314 printf("; retrying\n"); 1315 goto tryagain; 1316 } else 1317 printf("; giving up\n"); 1318 1319 changed: 1320 /* Invalidate the buffer. */ 1321 bp->b_flags |= B_ERROR; 1322 bp->b_resid = bp->b_bcount - mbx->skip; 1323 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1324 (bp->b_flags & B_READ)); 1325 biodone(bp); 1326 1327 mcdstart(sc); 1328 return -1; 1329 1330 #ifdef notyet 1331 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1332 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1333 delay(300000); 1334 (void) mcd_getstat(sc, 1); 1335 (void) mcd_getstat(sc, 1); 1336 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1337 sc->debug = 1; /* preventive set debug mode */ 1338 #endif 1339 } 1340 1341 void 1342 mcd_soft_reset(sc) 1343 struct mcd_softc *sc; 1344 { 1345 1346 sc->debug = 0; 1347 sc->flags = 0; 1348 sc->lastmode = MCD_MD_UNKNOWN; 1349 sc->lastupc = MCD_UPC_UNKNOWN; 1350 sc->audio_status = CD_AS_AUDIO_INVALID; 1351 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1352 } 1353 1354 int 1355 mcd_hard_reset(sc) 1356 struct mcd_softc *sc; 1357 { 1358 struct mcd_mbox mbx; 1359 1360 mcd_soft_reset(sc); 1361 1362 mbx.cmd.opcode = MCD_CMDRESET; 1363 mbx.cmd.length = 0; 1364 mbx.res.length = 0; 1365 return mcd_send(sc, &mbx, 0); 1366 } 1367 1368 int 1369 mcd_setmode(sc, mode) 1370 struct mcd_softc *sc; 1371 int mode; 1372 { 1373 struct mcd_mbox mbx; 1374 int error; 1375 1376 if (sc->lastmode == mode) 1377 return 0; 1378 if (sc->debug) 1379 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1380 sc->lastmode = MCD_MD_UNKNOWN; 1381 1382 mbx.cmd.opcode = MCD_CMDSETMODE; 1383 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1384 mbx.cmd.data.datamode.mode = mode; 1385 mbx.res.length = 0; 1386 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1387 return error; 1388 1389 sc->lastmode = mode; 1390 return 0; 1391 } 1392 1393 int 1394 mcd_setupc(sc, upc) 1395 struct mcd_softc *sc; 1396 int upc; 1397 { 1398 struct mcd_mbox mbx; 1399 int error; 1400 1401 if (sc->lastupc == upc) 1402 return 0; 1403 if (sc->debug) 1404 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1405 sc->lastupc = MCD_UPC_UNKNOWN; 1406 1407 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1408 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1409 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1410 mbx.cmd.data.config.data1 = upc; 1411 mbx.res.length = 0; 1412 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1413 return error; 1414 1415 sc->lastupc = upc; 1416 return 0; 1417 } 1418 1419 int 1420 mcd_toc_header(sc, th) 1421 struct mcd_softc *sc; 1422 struct ioc_toc_header *th; 1423 { 1424 1425 if (sc->debug) 1426 printf("%s: mcd_toc_header: reading toc header\n", 1427 sc->sc_dev.dv_xname); 1428 1429 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1430 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1431 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1432 1433 return 0; 1434 } 1435 1436 int 1437 mcd_read_toc(sc) 1438 struct mcd_softc *sc; 1439 { 1440 struct ioc_toc_header th; 1441 union mcd_qchninfo q; 1442 int error, trk, idx, retry; 1443 1444 if ((error = mcd_toc_header(sc, &th)) != 0) 1445 return error; 1446 1447 if ((error = mcd_stop(sc)) != 0) 1448 return error; 1449 1450 if (sc->debug) 1451 printf("%s: read_toc: reading qchannel info\n", 1452 sc->sc_dev.dv_xname); 1453 1454 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1455 sc->toc[trk].toc.idx_no = 0x00; 1456 trk = th.ending_track - th.starting_track + 1; 1457 for (retry = 300; retry && trk > 0; retry--) { 1458 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1459 break; 1460 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1461 continue; 1462 idx = bcd2bin(q.toc.idx_no); 1463 if (idx < MCD_MAXTOCS && 1464 sc->toc[idx].toc.idx_no == 0x00) { 1465 sc->toc[idx] = q; 1466 trk--; 1467 } 1468 } 1469 1470 /* Inform the drive that we're finished so it turns off the light. */ 1471 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1472 return error; 1473 1474 if (trk != 0) 1475 return EINVAL; 1476 1477 /* Add a fake last+1 for mcd_playtracks(). */ 1478 idx = th.ending_track + 1; 1479 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1480 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1481 sc->toc[idx].toc.trk_no = 0x00; 1482 sc->toc[idx].toc.idx_no = 0xaa; 1483 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1484 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1485 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1486 1487 return 0; 1488 } 1489 1490 int 1491 mcd_toc_entries(sc, te) 1492 struct mcd_softc *sc; 1493 struct ioc_read_toc_entry *te; 1494 { 1495 int len = te->data_len; 1496 struct ret_toc { 1497 struct ioc_toc_header header; 1498 struct cd_toc_entry entries[MCD_MAXTOCS]; 1499 } data; 1500 u_char trk; 1501 daddr_t lba; 1502 int error, n; 1503 1504 if (len > sizeof(data.entries) || 1505 len < sizeof(struct cd_toc_entry)) 1506 return EINVAL; 1507 if (te->address_format != CD_MSF_FORMAT && 1508 te->address_format != CD_LBA_FORMAT) 1509 return EINVAL; 1510 1511 /* Copy the TOC header. */ 1512 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1513 return error; 1514 1515 /* Verify starting track. */ 1516 trk = te->starting_track; 1517 if (trk == 0x00) 1518 trk = data.header.starting_track; 1519 else if (trk == 0xaa) 1520 trk = data.header.ending_track + 1; 1521 else if (trk < data.header.starting_track || 1522 trk > data.header.ending_track + 1) 1523 return EINVAL; 1524 1525 /* Copy the TOC data. */ 1526 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1527 if (sc->toc[trk].toc.idx_no == 0x00) 1528 continue; 1529 data.entries[n].control = sc->toc[trk].toc.control; 1530 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1531 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1532 switch (te->address_format) { 1533 case CD_MSF_FORMAT: 1534 data.entries[n].addr.addr[0] = 0; 1535 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1536 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1537 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1538 break; 1539 case CD_LBA_FORMAT: 1540 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1541 data.entries[n].addr.addr[0] = lba >> 24; 1542 data.entries[n].addr.addr[1] = lba >> 16; 1543 data.entries[n].addr.addr[2] = lba >> 8; 1544 data.entries[n].addr.addr[3] = lba; 1545 break; 1546 } 1547 n++; 1548 } 1549 1550 len = min(len, n * sizeof(struct cd_toc_entry)); 1551 1552 /* Copy the data back. */ 1553 return copyout(&data.entries[0], te->data, len); 1554 } 1555 1556 int 1557 mcd_stop(sc) 1558 struct mcd_softc *sc; 1559 { 1560 struct mcd_mbox mbx; 1561 int error; 1562 1563 if (sc->debug) 1564 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1565 1566 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1567 mbx.cmd.length = 0; 1568 mbx.res.length = 0; 1569 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1570 return error; 1571 1572 sc->audio_status = CD_AS_PLAY_COMPLETED; 1573 return 0; 1574 } 1575 1576 int 1577 mcd_getqchan(sc, q, qchn) 1578 struct mcd_softc *sc; 1579 union mcd_qchninfo *q; 1580 int qchn; 1581 { 1582 struct mcd_mbox mbx; 1583 int error; 1584 1585 if (qchn == CD_TRACK_INFO) { 1586 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1587 return error; 1588 } else { 1589 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1590 return error; 1591 } 1592 if (qchn == CD_MEDIA_CATALOG) { 1593 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1594 return error; 1595 } else { 1596 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1597 return error; 1598 } 1599 1600 mbx.cmd.opcode = MCD_CMDGETQCHN; 1601 mbx.cmd.length = 0; 1602 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1603 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1604 return error; 1605 1606 *q = mbx.res.data.qchninfo; 1607 return 0; 1608 } 1609 1610 int 1611 mcd_read_subchannel(sc, ch) 1612 struct mcd_softc *sc; 1613 struct ioc_read_subchannel *ch; 1614 { 1615 int len = ch->data_len; 1616 union mcd_qchninfo q; 1617 struct cd_sub_channel_info data; 1618 daddr_t lba; 1619 int error; 1620 1621 if (sc->debug) 1622 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1623 ch->address_format, ch->data_format); 1624 1625 if (len > sizeof(data) || 1626 len < sizeof(struct cd_sub_channel_header)) 1627 return EINVAL; 1628 if (ch->address_format != CD_MSF_FORMAT && 1629 ch->address_format != CD_LBA_FORMAT) 1630 return EINVAL; 1631 if (ch->data_format != CD_CURRENT_POSITION && 1632 ch->data_format != CD_MEDIA_CATALOG) 1633 return EINVAL; 1634 1635 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1636 return error; 1637 1638 data.header.audio_status = sc->audio_status; 1639 data.what.media_catalog.data_format = ch->data_format; 1640 1641 switch (ch->data_format) { 1642 case CD_MEDIA_CATALOG: 1643 data.what.media_catalog.mc_valid = 1; 1644 #if 0 1645 data.what.media_catalog.mc_number = 1646 #endif 1647 break; 1648 1649 case CD_CURRENT_POSITION: 1650 data.what.position.track_number = bcd2bin(q.current.trk_no); 1651 data.what.position.index_number = bcd2bin(q.current.idx_no); 1652 switch (ch->address_format) { 1653 case CD_MSF_FORMAT: 1654 data.what.position.reladdr.addr[0] = 0; 1655 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1656 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1657 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1658 data.what.position.absaddr.addr[0] = 0; 1659 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1660 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1661 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1662 break; 1663 case CD_LBA_FORMAT: 1664 lba = msf2hsg(q.current.relative_pos, 1); 1665 /* 1666 * Pre-gap has index number of 0, and decreasing MSF 1667 * address. Must be converted to negative LBA, per 1668 * SCSI spec. 1669 */ 1670 if (data.what.position.index_number == 0x00) 1671 lba = -lba; 1672 data.what.position.reladdr.addr[0] = lba >> 24; 1673 data.what.position.reladdr.addr[1] = lba >> 16; 1674 data.what.position.reladdr.addr[2] = lba >> 8; 1675 data.what.position.reladdr.addr[3] = lba; 1676 lba = msf2hsg(q.current.absolute_pos, 0); 1677 data.what.position.absaddr.addr[0] = lba >> 24; 1678 data.what.position.absaddr.addr[1] = lba >> 16; 1679 data.what.position.absaddr.addr[2] = lba >> 8; 1680 data.what.position.absaddr.addr[3] = lba; 1681 break; 1682 } 1683 break; 1684 } 1685 1686 return copyout(&data, ch->data, len); 1687 } 1688 1689 int 1690 mcd_playtracks(sc, p) 1691 struct mcd_softc *sc; 1692 struct ioc_play_track *p; 1693 { 1694 struct mcd_mbox mbx; 1695 int a = p->start_track; 1696 int z = p->end_track; 1697 int error; 1698 1699 if (sc->debug) 1700 printf("%s: playtracks: from %d:%d to %d:%d\n", 1701 sc->sc_dev.dv_xname, 1702 a, p->start_index, z, p->end_index); 1703 1704 if (a < bcd2bin(sc->volinfo.trk_low) || 1705 a > bcd2bin(sc->volinfo.trk_high) || 1706 a > z || 1707 z < bcd2bin(sc->volinfo.trk_low) || 1708 z > bcd2bin(sc->volinfo.trk_high)) 1709 return EINVAL; 1710 1711 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1712 return error; 1713 1714 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1715 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1716 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1717 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1718 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1719 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1720 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1721 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1722 sc->lastpb = mbx.cmd; 1723 mbx.res.length = 0; 1724 return mcd_send(sc, &mbx, 1); 1725 } 1726 1727 int 1728 mcd_playmsf(sc, p) 1729 struct mcd_softc *sc; 1730 struct ioc_play_msf *p; 1731 { 1732 struct mcd_mbox mbx; 1733 int error; 1734 1735 if (sc->debug) 1736 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1737 sc->sc_dev.dv_xname, 1738 p->start_m, p->start_s, p->start_f, 1739 p->end_m, p->end_s, p->end_f); 1740 1741 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1742 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1743 return EINVAL; 1744 1745 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1746 return error; 1747 1748 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1749 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1750 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1751 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1752 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1753 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1754 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1755 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1756 sc->lastpb = mbx.cmd; 1757 mbx.res.length = 0; 1758 return mcd_send(sc, &mbx, 1); 1759 } 1760 1761 int 1762 mcd_playblocks(sc, p) 1763 struct mcd_softc *sc; 1764 struct ioc_play_blocks *p; 1765 { 1766 struct mcd_mbox mbx; 1767 int error; 1768 1769 if (sc->debug) 1770 printf("%s: playblocks: blkno %d length %d\n", 1771 sc->sc_dev.dv_xname, p->blk, p->len); 1772 1773 if (p->blk > sc->disksize || p->len > sc->disksize || 1774 (p->blk + p->len) > sc->disksize) 1775 return 0; 1776 1777 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1778 return error; 1779 1780 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1781 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1782 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1783 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1784 sc->lastpb = mbx.cmd; 1785 mbx.res.length = 0; 1786 return mcd_send(sc, &mbx, 1); 1787 } 1788 1789 int 1790 mcd_pause(sc) 1791 struct mcd_softc *sc; 1792 { 1793 union mcd_qchninfo q; 1794 int error; 1795 1796 /* Verify current status. */ 1797 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1798 printf("%s: pause: attempted when not playing\n", 1799 sc->sc_dev.dv_xname); 1800 return EINVAL; 1801 } 1802 1803 /* Get the current position. */ 1804 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1805 return error; 1806 1807 /* Copy it into lastpb. */ 1808 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1809 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1810 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1811 1812 /* Stop playing. */ 1813 if ((error = mcd_stop(sc)) != 0) 1814 return error; 1815 1816 /* Set the proper status and exit. */ 1817 sc->audio_status = CD_AS_PLAY_PAUSED; 1818 return 0; 1819 } 1820 1821 int 1822 mcd_resume(sc) 1823 struct mcd_softc *sc; 1824 { 1825 struct mcd_mbox mbx; 1826 int error; 1827 1828 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1829 return EINVAL; 1830 1831 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1832 return error; 1833 1834 mbx.cmd = sc->lastpb; 1835 mbx.res.length = 0; 1836 return mcd_send(sc, &mbx, 1); 1837 } 1838 1839 int 1840 mcd_eject(sc) 1841 struct mcd_softc *sc; 1842 { 1843 struct mcd_mbox mbx; 1844 1845 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1846 mbx.cmd.length = 0; 1847 mbx.res.length = 0; 1848 return mcd_send(sc, &mbx, 0); 1849 } 1850 1851 int 1852 mcd_setlock(sc, mode) 1853 struct mcd_softc *sc; 1854 int mode; 1855 { 1856 struct mcd_mbox mbx; 1857 1858 mbx.cmd.opcode = MCD_CMDSETLOCK; 1859 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1860 mbx.cmd.data.lockmode.mode = mode; 1861 mbx.res.length = 0; 1862 return mcd_send(sc, &mbx, 1); 1863 }
Cache object: 1e855f5db402e39e0d7e1a1c677e3032
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