mcd.c revision 1.112
1 /* $NetBSD: mcd.c,v 1.112 2014/07/25 08:02:19 dholland 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 1.112 2014/07/25 08:02:19 dholland 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 #include <sys/mutex.h> 79 #include <sys/cpu.h> 80 #include <sys/intr.h> 81 #include <sys/bus.h> 82 83 #include <dev/isa/isavar.h> 84 #include <dev/isa/mcdreg.h> 85 86 #ifndef MCDDEBUG 87 #define MCD_TRACE(fmt,...) 88 #else 89 #define MCD_TRACE(fmt,...) {if (sc->debug) {printf("%s: st=%02x: ", device_xname(sc->sc_dev), sc->status); printf(fmt,__VA_ARGS__);}} 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 device_t sc_dev; 124 struct disk sc_dk; 125 kmutex_t sc_lock; 126 void *sc_ih; 127 128 callout_t 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 const 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 struct cd_sub_channel_info *); 171 int mcd_pause(struct mcd_softc *); 172 int mcd_resume(struct mcd_softc *); 173 int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *); 174 int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *, 175 struct cd_toc_entry *, int *); 176 177 int mcd_getreply(struct mcd_softc *); 178 int mcd_getstat(struct mcd_softc *); 179 int mcd_getresult(struct mcd_softc *, struct mcd_result *); 180 void mcd_setflags(struct mcd_softc *); 181 int mcd_get(struct mcd_softc *, char *, int); 182 int mcd_send(struct mcd_softc *, struct mcd_mbox *, int); 183 int mcdintr(void *); 184 void mcd_soft_reset(struct mcd_softc *); 185 int mcd_hard_reset(struct mcd_softc *); 186 int mcd_setmode(struct mcd_softc *, int); 187 int mcd_setupc(struct mcd_softc *, int); 188 int mcd_read_toc(struct mcd_softc *); 189 int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int); 190 int mcd_setlock(struct mcd_softc *, int); 191 192 int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *); 193 int mcdprobe(device_t, cfdata_t, void *); 194 void mcdattach(device_t, device_t, void *); 195 196 CFATTACH_DECL_NEW(mcd, sizeof(struct mcd_softc), 197 mcdprobe, mcdattach, NULL, NULL); 198 199 extern struct cfdriver mcd_cd; 200 201 dev_type_open(mcdopen); 202 dev_type_close(mcdclose); 203 dev_type_read(mcdread); 204 dev_type_write(mcdwrite); 205 dev_type_ioctl(mcdioctl); 206 dev_type_strategy(mcdstrategy); 207 dev_type_dump(mcddump); 208 dev_type_size(mcdsize); 209 210 const struct bdevsw mcd_bdevsw = { 211 .d_open = mcdopen, 212 .d_close = mcdclose, 213 .d_strategy = mcdstrategy, 214 .d_ioctl = mcdioctl, 215 .d_dump = mcddump, 216 .d_psize = mcdsize, 217 .d_discard = nodiscard, 218 .d_flag = D_DISK 219 }; 220 221 const struct cdevsw mcd_cdevsw = { 222 .d_open = mcdopen, 223 .d_close = mcdclose, 224 .d_read = mcdread, 225 .d_write = mcdwrite, 226 .d_ioctl = mcdioctl, 227 .d_stop = nostop, 228 .d_tty = notty, 229 .d_poll = nopoll, 230 .d_mmap = nommap, 231 .d_kqfilter = nokqfilter, 232 .d_flag = D_DISK 233 }; 234 235 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 236 void mcdgetdisklabel(struct mcd_softc *); 237 int mcd_get_parms(struct mcd_softc *); 238 void mcdstart(struct mcd_softc *); 239 void mcd_pseudointr(void *); 240 241 struct dkdriver mcddkdriver = { mcdstrategy, NULL, }; 242 243 #define MCD_RETRIES 3 244 #define MCD_RDRETRIES 3 245 246 /* several delays */ 247 #define RDELAY_WAITMODE 300 248 #define RDELAY_WAITREAD 800 249 250 #define DELAY_GRANULARITY 25 /* 25us */ 251 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 252 253 void 254 mcdattach(device_t parent, device_t self, void *aux) 255 { 256 struct mcd_softc *sc = device_private(self); 257 struct isa_attach_args *ia = aux; 258 bus_space_tag_t iot = ia->ia_iot; 259 bus_space_handle_t ioh; 260 struct mcd_mbox mbx; 261 262 /* Map i/o space */ 263 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 264 printf(": can't map i/o space\n"); 265 return; 266 } 267 268 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 269 270 sc->sc_iot = iot; 271 sc->sc_ioh = ioh; 272 273 sc->probe = 0; 274 sc->debug = 0; 275 276 if (!mcd_find(iot, ioh, sc)) { 277 printf(": mcd_find failed\n"); 278 return; 279 } 280 281 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 282 callout_init(&sc->sc_pintr_ch, 0); 283 284 /* 285 * Initialize and attach the disk structure. 286 */ 287 disk_init(&sc->sc_dk, device_xname(sc->sc_dev), &mcddkdriver); 288 disk_attach(&sc->sc_dk); 289 290 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 291 292 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 293 294 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 295 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 296 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 297 mbx.cmd.data.config.data1 = 0x01; 298 mbx.res.length = 0; 299 (void) mcd_send(sc, &mbx, 0); 300 301 mcd_soft_reset(sc); 302 303 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 304 IST_EDGE, IPL_BIO, mcdintr, sc); 305 } 306 307 int 308 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 309 { 310 int error, part; 311 struct mcd_softc *sc; 312 313 sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 314 if (sc == NULL) 315 return ENXIO; 316 317 mutex_enter(&sc->sc_lock); 318 319 if (sc->sc_dk.dk_openmask != 0) { 320 /* 321 * If any partition is open, but the disk has been invalidated, 322 * disallow further opens. 323 */ 324 if ((sc->flags & MCDF_LOADED) == 0) { 325 error = EIO; 326 goto bad3; 327 } 328 } else { 329 /* 330 * Lock the drawer. This will also notice any pending disk 331 * change or door open indicator and clear the MCDF_LOADED bit 332 * if necessary. 333 */ 334 (void) mcd_setlock(sc, MCD_LK_LOCK); 335 336 if ((sc->flags & MCDF_LOADED) == 0) { 337 /* Partially reset the state. */ 338 sc->lastmode = MCD_MD_UNKNOWN; 339 sc->lastupc = MCD_UPC_UNKNOWN; 340 341 sc->flags |= MCDF_LOADED; 342 343 /* Set the mode, causing the disk to spin up. */ 344 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 345 goto bad2; 346 347 /* Load the physical device parameters. */ 348 if (mcd_get_parms(sc) != 0) { 349 error = ENXIO; 350 goto bad2; 351 } 352 353 /* Read the table of contents. */ 354 if ((error = mcd_read_toc(sc)) != 0) 355 goto bad2; 356 357 /* Fabricate a disk label. */ 358 mcdgetdisklabel(sc); 359 } 360 } 361 362 part = MCDPART(dev); 363 364 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 365 sc->disksize, sc->blksize); 366 367 /* Check that the partition exists. */ 368 if (part != RAW_PART && 369 (part >= sc->sc_dk.dk_label->d_npartitions || 370 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 371 error = ENXIO; 372 goto bad; 373 } 374 375 /* Insure only one open at a time. */ 376 switch (fmt) { 377 case S_IFCHR: 378 sc->sc_dk.dk_copenmask |= (1 << part); 379 break; 380 case S_IFBLK: 381 sc->sc_dk.dk_bopenmask |= (1 << part); 382 break; 383 } 384 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 385 386 mutex_exit(&sc->sc_lock); 387 return 0; 388 389 bad2: 390 sc->flags &= ~MCDF_LOADED; 391 392 bad: 393 if (sc->sc_dk.dk_openmask == 0) { 394 #if 0 395 (void) mcd_setmode(sc, MCD_MD_SLEEP); 396 #endif 397 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 398 } 399 400 bad3: 401 mutex_exit(&sc->sc_lock); 402 return error; 403 } 404 405 int 406 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 407 { 408 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 409 int part = MCDPART(dev); 410 411 MCD_TRACE("close: partition=%d\n", part); 412 413 mutex_enter(&sc->sc_lock); 414 415 switch (fmt) { 416 case S_IFCHR: 417 sc->sc_dk.dk_copenmask &= ~(1 << part); 418 break; 419 case S_IFBLK: 420 sc->sc_dk.dk_bopenmask &= ~(1 << part); 421 break; 422 } 423 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 424 425 if (sc->sc_dk.dk_openmask == 0) { 426 /* XXXX Must wait for I/O to complete! */ 427 428 #if 0 429 (void) mcd_setmode(sc, MCD_MD_SLEEP); 430 #endif 431 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 432 } 433 434 mutex_exit(&sc->sc_lock); 435 return 0; 436 } 437 438 void 439 mcdstrategy(struct buf *bp) 440 { 441 struct mcd_softc *sc; 442 struct disklabel *lp; 443 daddr_t blkno; 444 int s; 445 446 sc = device_lookup_private(&mcd_cd, MCDUNIT(bp->b_dev)); 447 lp = sc->sc_dk.dk_label; 448 449 /* Test validity. */ 450 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 451 (int) bp->b_blkno, bp->b_bcount); 452 if (bp->b_blkno < 0 || 453 (bp->b_bcount % sc->blksize) != 0) { 454 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 455 device_xname(sc->sc_dev), bp->b_blkno, bp->b_bcount); 456 bp->b_error = EINVAL; 457 goto done; 458 } 459 460 /* If device invalidated (e.g. media change, door open), error. */ 461 if ((sc->flags & MCDF_LOADED) == 0) { 462 MCD_TRACE("strategy: drive not valid%s", "\n"); 463 bp->b_error = EIO; 464 goto done; 465 } 466 467 /* No data to read. */ 468 if (bp->b_bcount == 0) 469 goto done; 470 471 /* 472 * Do bounds checking, adjust transfer. if error, process. 473 * If end of partition, just return. 474 */ 475 if (MCDPART(bp->b_dev) != RAW_PART && 476 bounds_check_with_label(&sc->sc_dk, bp, 477 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 478 goto done; 479 480 /* 481 * Now convert the block number to absolute and put it in 482 * terms of the device's logical block size. 483 */ 484 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 485 if (MCDPART(bp->b_dev) != RAW_PART) 486 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 487 488 bp->b_rawblkno = blkno; 489 490 /* Queue it. */ 491 s = splbio(); 492 bufq_put(sc->buf_queue, bp); 493 splx(s); 494 if (!sc->active) 495 mcdstart(sc); 496 return; 497 498 done: 499 bp->b_resid = bp->b_bcount; 500 biodone(bp); 501 } 502 503 void 504 mcdstart(struct mcd_softc *sc) 505 { 506 struct buf *bp; 507 int s; 508 509 loop: 510 s = splbio(); 511 512 if ((bp = bufq_get(sc->buf_queue)) == NULL) { 513 /* Nothing to do. */ 514 sc->active = 0; 515 splx(s); 516 return; 517 } 518 519 /* Block found to process. */ 520 MCD_TRACE("start: found block bp=0x%p\n", bp); 521 splx(s); 522 523 /* Changed media? */ 524 if ((sc->flags & MCDF_LOADED) == 0) { 525 MCD_TRACE("start: drive not valid%s", "\n"); 526 bp->b_error = EIO; 527 biodone(bp); 528 goto loop; 529 } 530 531 sc->active = 1; 532 533 /* Instrumentation. */ 534 s = splbio(); 535 disk_busy(&sc->sc_dk); 536 splx(s); 537 538 sc->mbx.retry = MCD_RDRETRIES; 539 sc->mbx.bp = bp; 540 sc->mbx.blkno = bp->b_rawblkno; 541 sc->mbx.nblk = bp->b_bcount / sc->blksize; 542 sc->mbx.sz = sc->blksize; 543 sc->mbx.skip = 0; 544 sc->mbx.state = MCD_S_BEGIN; 545 sc->mbx.mode = MCD_MD_COOKED; 546 547 s = splbio(); 548 (void) mcdintr(sc); 549 splx(s); 550 } 551 552 int 553 mcdread(dev_t dev, struct uio *uio, int flags) 554 { 555 556 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 557 } 558 559 int 560 mcdwrite(dev_t dev, struct uio *uio, int flags) 561 { 562 563 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 564 } 565 566 int 567 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 568 { 569 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 570 int error; 571 int part; 572 #ifdef __HAVE_OLD_DISKLABEL 573 struct disklabel newlabel; 574 #endif 575 576 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 577 578 if ((sc->flags & MCDF_LOADED) == 0) 579 return EIO; 580 581 part = MCDPART(dev); 582 switch (cmd) { 583 case DIOCGDINFO: 584 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 585 return 0; 586 #ifdef __HAVE_OLD_DISKLABEL 587 case ODIOCGDINFO: 588 newlabel = *(sc->sc_dk.dk_label); 589 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 590 return ENOTTY; 591 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 592 return 0; 593 #endif 594 595 case DIOCGPART: 596 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 597 ((struct partinfo *)addr)->part = 598 &sc->sc_dk.dk_label->d_partitions[part]; 599 return 0; 600 601 case DIOCWDINFO: 602 case DIOCSDINFO: 603 #ifdef __HAVE_OLD_DISKLABEL 604 case ODIOCWDINFO: 605 case ODIOCSDINFO: 606 #endif 607 { 608 struct disklabel *lp; 609 610 if ((flag & FWRITE) == 0) 611 return EBADF; 612 613 #ifdef __HAVE_OLD_DISKLABEL 614 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 615 memset(&newlabel, 0, sizeof newlabel); 616 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 617 lp = &newlabel; 618 } else 619 #endif 620 lp = addr; 621 622 mutex_enter(&sc->sc_lock); 623 sc->flags |= MCDF_LABELLING; 624 625 error = setdisklabel(sc->sc_dk.dk_label, 626 lp, /*sc->sc_dk.dk_openmask : */0, 627 sc->sc_dk.dk_cpulabel); 628 if (error == 0) { 629 } 630 631 sc->flags &= ~MCDF_LABELLING; 632 mutex_exit(&sc->sc_lock); 633 return error; 634 } 635 636 case DIOCWLABEL: 637 return EBADF; 638 639 case DIOCGDEFLABEL: 640 mcdgetdefaultlabel(sc, addr); 641 return 0; 642 643 #ifdef __HAVE_OLD_DISKLABEL 644 case ODIOCGDEFLABEL: 645 mcdgetdefaultlabel(sc, &newlabel); 646 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 647 return ENOTTY; 648 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 649 return 0; 650 #endif 651 652 case CDIOCPLAYTRACKS: 653 return mcd_playtracks(sc, addr); 654 case CDIOCPLAYMSF: 655 return mcd_playmsf(sc, addr); 656 case CDIOCPLAYBLOCKS: 657 return mcd_playblocks(sc, addr); 658 case CDIOCREADSUBCHANNEL: { 659 struct cd_sub_channel_info info; 660 error = mcd_read_subchannel(sc, addr, &info); 661 if (error != 0) { 662 struct ioc_read_subchannel *ch = addr; 663 error = copyout(&info, ch->data, ch->data_len); 664 } 665 return error; 666 } 667 case CDIOCREADSUBCHANNEL_BUF: 668 return mcd_read_subchannel(sc, addr, 669 &((struct ioc_read_subchannel_buf *)addr)->info); 670 case CDIOREADTOCHEADER: 671 return mcd_toc_header(sc, addr); 672 case CDIOREADTOCENTRYS: { 673 struct cd_toc_entry entries[MCD_MAXTOCS]; 674 struct ioc_read_toc_entry *te = addr; 675 int count; 676 if (te->data_len > sizeof entries) 677 return EINVAL; 678 error = mcd_toc_entries(sc, te, entries, &count); 679 if (error == 0) 680 /* Copy the data back. */ 681 error = copyout(entries, te->data, min(te->data_len, 682 count * sizeof(struct cd_toc_entry))); 683 return error; 684 } 685 case CDIOREADTOCENTRIES_BUF: { 686 struct ioc_read_toc_entry_buf *te = addr; 687 int count; 688 if (te->req.data_len > sizeof te->entry) 689 return EINVAL; 690 return mcd_toc_entries(sc, &te->req, te->entry, &count); 691 } 692 case CDIOCSETPATCH: 693 case CDIOCGETVOL: 694 case CDIOCSETVOL: 695 case CDIOCSETMONO: 696 case CDIOCSETSTEREO: 697 case CDIOCSETMUTE: 698 case CDIOCSETLEFT: 699 case CDIOCSETRIGHT: 700 return EINVAL; 701 case CDIOCRESUME: 702 return mcd_resume(sc); 703 case CDIOCPAUSE: 704 return mcd_pause(sc); 705 case CDIOCSTART: 706 return EINVAL; 707 case CDIOCSTOP: 708 return mcd_stop(sc); 709 case DIOCEJECT: 710 if (*(int *)addr == 0) { 711 /* 712 * Don't force eject: check that we are the only 713 * partition open. If so, unlock it. 714 */ 715 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 716 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 717 sc->sc_dk.dk_openmask) { 718 error = mcd_setlock(sc, MCD_LK_UNLOCK); 719 if (error) 720 return (error); 721 } else { 722 return (EBUSY); 723 } 724 } 725 /* FALLTHROUGH */ 726 case CDIOCEJECT: /* FALLTHROUGH */ 727 case ODIOCEJECT: 728 return mcd_eject(sc); 729 case CDIOCALLOW: 730 return mcd_setlock(sc, MCD_LK_UNLOCK); 731 case CDIOCPREVENT: 732 return mcd_setlock(sc, MCD_LK_LOCK); 733 case DIOCLOCK: 734 return mcd_setlock(sc, 735 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 736 case CDIOCSETDEBUG: 737 sc->debug = 1; 738 return 0; 739 case CDIOCCLRDEBUG: 740 sc->debug = 0; 741 return 0; 742 case CDIOCRESET: 743 return mcd_hard_reset(sc); 744 745 default: 746 return ENOTTY; 747 } 748 749 #ifdef DIAGNOSTIC 750 panic("mcdioctl: impossible"); 751 #endif 752 } 753 754 void 755 mcdgetdefaultlabel(struct mcd_softc *sc, struct disklabel *lp) 756 { 757 758 memset(lp, 0, sizeof(struct disklabel)); 759 760 lp->d_secsize = sc->blksize; 761 lp->d_ntracks = 1; 762 lp->d_nsectors = 100; 763 lp->d_ncylinders = (sc->disksize / 100) + 1; 764 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 765 766 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 767 lp->d_type = 0; /* XXX */ 768 strncpy(lp->d_packname, "fictitious", 16); 769 lp->d_secperunit = sc->disksize; 770 lp->d_rpm = 300; 771 lp->d_interleave = 1; 772 lp->d_flags = D_REMOVABLE; 773 774 lp->d_partitions[0].p_offset = 0; 775 lp->d_partitions[0].p_size = 776 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 777 lp->d_partitions[0].p_fstype = FS_ISO9660; 778 lp->d_partitions[RAW_PART].p_offset = 0; 779 lp->d_partitions[RAW_PART].p_size = 780 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 781 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 782 lp->d_npartitions = RAW_PART + 1; 783 784 lp->d_magic = DISKMAGIC; 785 lp->d_magic2 = DISKMAGIC; 786 lp->d_checksum = dkcksum(lp); 787 } 788 789 /* 790 * This could have been taken from scsi/cd.c, but it is not clear 791 * whether the scsi cd driver is linked in. 792 */ 793 void 794 mcdgetdisklabel(struct mcd_softc *sc) 795 { 796 struct disklabel *lp = sc->sc_dk.dk_label; 797 798 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 799 800 mcdgetdefaultlabel(sc, lp); 801 } 802 803 int 804 mcd_get_parms(struct mcd_softc *sc) 805 { 806 struct mcd_mbox mbx; 807 daddr_t size; 808 int error; 809 810 /* Send volume info command. */ 811 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 812 mbx.cmd.length = 0; 813 mbx.res.length = sizeof(mbx.res.data.volinfo); 814 if ((error = mcd_send(sc, &mbx, 1)) != 0) 815 return error; 816 817 if (mbx.res.data.volinfo.trk_low == 0x00 && 818 mbx.res.data.volinfo.trk_high == 0x00) 819 return EINVAL; 820 821 /* Volinfo is OK. */ 822 sc->volinfo = mbx.res.data.volinfo; 823 sc->blksize = MCD_BLKSIZE_COOKED; 824 size = msf2hsg(sc->volinfo.vol_msf, 0); 825 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 826 return 0; 827 } 828 829 int 830 mcdsize(dev_t dev) 831 { 832 833 /* CD-ROMs are read-only. */ 834 return -1; 835 } 836 837 int 838 mcddump(dev_t dev, daddr_t blkno, void *va, 839 size_t size) 840 { 841 842 /* Not implemented. */ 843 return ENXIO; 844 } 845 846 /* 847 * Find the board and fill in the softc. 848 */ 849 int 850 mcd_find(bus_space_tag_t iot, bus_space_handle_t ioh, struct mcd_softc *sc) 851 { 852 int i; 853 struct mcd_mbox mbx; 854 855 sc->sc_iot = iot; 856 sc->sc_ioh = ioh; 857 858 /* Send a reset. */ 859 bus_space_write_1(iot, ioh, MCD_RESET, 0); 860 delay(1000000); 861 /* Get any pending status and throw away. */ 862 for (i = 10; i; i--) 863 bus_space_read_1(iot, ioh, MCD_STATUS); 864 delay(1000); 865 866 /* Send get status command. */ 867 mbx.cmd.opcode = MCD_CMDGETSTAT; 868 mbx.cmd.length = 0; 869 mbx.res.length = 0; 870 if (mcd_send(sc, &mbx, 0) != 0) 871 return 0; 872 873 /* Get info about the drive. */ 874 mbx.cmd.opcode = MCD_CMDCONTINFO; 875 mbx.cmd.length = 0; 876 mbx.res.length = sizeof(mbx.res.data.continfo); 877 if (mcd_send(sc, &mbx, 0) != 0) 878 return 0; 879 880 /* 881 * The following is code which is not guaranteed to work for all 882 * drives, because the meaning of the expected 'M' is not clear 883 * (M_itsumi is an obvious assumption, but I don't trust that). 884 * Also, the original hack had a bogus condition that always 885 * returned true. 886 * 887 * Note: Which models support interrupts? >=LU005S? 888 */ 889 sc->readcmd = MCD_CMDREADSINGLESPEED; 890 switch (mbx.res.data.continfo.code) { 891 case 'M': 892 if (mbx.res.data.continfo.version <= 2) 893 sc->type = "LU002S"; 894 else if (mbx.res.data.continfo.version <= 5) 895 sc->type = "LU005S"; 896 else 897 sc->type = "LU006S"; 898 break; 899 case 'F': 900 sc->type = "FX001"; 901 break; 902 case 'D': 903 sc->type = "FX001D"; 904 sc->readcmd = MCD_CMDREADDOUBLESPEED; 905 break; 906 default: 907 /* 908 * mcd_send() says the response looked OK but the 909 * drive type is unknown. If mcd_promisc, match anyway. 910 */ 911 if (mcd_promisc != 0) 912 return 0; 913 914 #ifdef MCDDEBUG 915 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 916 device_xname(sc->sc_dev), 917 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 918 #endif 919 sc->type = 0; 920 break; 921 } 922 923 return 1; 924 925 } 926 927 int 928 mcdprobe(device_t parent, cfdata_t match, void *aux) 929 { 930 struct isa_attach_args *ia = aux; 931 struct mcd_softc sc; 932 bus_space_tag_t iot = ia->ia_iot; 933 bus_space_handle_t ioh; 934 int rv; 935 936 if (ia->ia_nio < 1) 937 return (0); 938 if (ia->ia_nirq < 1) 939 return (0); 940 941 if (ISA_DIRECT_CONFIG(ia)) 942 return (0); 943 944 /* Disallow wildcarded i/o address. */ 945 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 946 return (0); 947 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 948 return (0); 949 950 /* Map i/o space */ 951 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 952 return 0; 953 954 sc.debug = 0; 955 sc.probe = 1; 956 957 rv = mcd_find(iot, ioh, &sc); 958 959 bus_space_unmap(iot, ioh, MCD_NPORT); 960 961 if (rv) { 962 ia->ia_nio = 1; 963 ia->ia_io[0].ir_size = MCD_NPORT; 964 965 ia->ia_nirq = 1; 966 967 ia->ia_niomem = 0; 968 ia->ia_ndrq = 0; 969 } 970 971 return (rv); 972 } 973 974 int 975 mcd_getreply(struct mcd_softc *sc) 976 { 977 bus_space_tag_t iot = sc->sc_iot; 978 bus_space_handle_t ioh = sc->sc_ioh; 979 int i; 980 981 /* Wait until xfer port senses data ready. */ 982 for (i = DELAY_GETREPLY; i; i--) { 983 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 984 MCD_XF_STATUSUNAVAIL) == 0) 985 break; 986 delay(DELAY_GRANULARITY); 987 } 988 if (!i) 989 return -1; 990 991 /* Get the data. */ 992 return bus_space_read_1(iot, ioh, MCD_STATUS); 993 } 994 995 int 996 mcd_getstat(struct mcd_softc *sc) 997 { 998 struct mcd_mbox mbx; 999 1000 mbx.cmd.opcode = MCD_CMDGETSTAT; 1001 mbx.cmd.length = 0; 1002 mbx.res.length = 0; 1003 return mcd_send(sc, &mbx, 1); 1004 } 1005 1006 int 1007 mcd_getresult(struct mcd_softc *sc, struct mcd_result *res) 1008 { 1009 int i, x; 1010 1011 if (sc->debug) 1012 printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev), 1013 res->length); 1014 1015 if ((x = mcd_getreply(sc)) < 0) { 1016 if (sc->debug) 1017 printf(" timeout\n"); 1018 else if (!sc->probe) 1019 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1020 return EIO; 1021 } 1022 if (sc->debug) 1023 printf(" %02x", (u_int)x); 1024 sc->status = x; 1025 mcd_setflags(sc); 1026 1027 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1028 return EINVAL; 1029 1030 for (i = 0; i < res->length; i++) { 1031 if ((x = mcd_getreply(sc)) < 0) { 1032 if (sc->debug) 1033 printf(" timeout\n"); 1034 else 1035 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1036 return EIO; 1037 } 1038 if (sc->debug) 1039 printf(" %02x", (u_int)x); 1040 res->data.raw.data[i] = x; 1041 } 1042 1043 if (sc->debug) 1044 printf(" succeeded\n"); 1045 1046 #ifdef MCDDEBUG 1047 delay(10); 1048 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1049 MCD_XF_STATUSUNAVAIL) == 0) { 1050 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1051 printf("%s: got extra byte %02x during getstatus\n", 1052 device_xname(sc->sc_dev), (u_int)x); 1053 delay(10); 1054 } 1055 #endif 1056 1057 return 0; 1058 } 1059 1060 void 1061 mcd_setflags(struct mcd_softc *sc) 1062 { 1063 1064 /* Check flags. */ 1065 if ((sc->flags & MCDF_LOADED) != 0 && 1066 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1067 MCD_ST_DSKIN) { 1068 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1069 printf("%s: door open\n", device_xname(sc->sc_dev)); 1070 else if ((sc->status & MCD_ST_DSKIN) == 0) 1071 printf("%s: no disk present\n", device_xname(sc->sc_dev)); 1072 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1073 printf("%s: media change\n", device_xname(sc->sc_dev)); 1074 sc->flags &= ~MCDF_LOADED; 1075 } 1076 1077 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1078 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1079 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1080 sc->audio_status == CD_AS_AUDIO_INVALID) 1081 sc->audio_status = CD_AS_PLAY_COMPLETED; 1082 } 1083 1084 int 1085 mcd_send(struct mcd_softc *sc, struct mcd_mbox *mbx, int diskin) 1086 { 1087 int retry, i, error; 1088 bus_space_tag_t iot = sc->sc_iot; 1089 bus_space_handle_t ioh = sc->sc_ioh; 1090 1091 if (sc->debug) { 1092 printf("%s: mcd_send: %d %02x", device_xname(sc->sc_dev), 1093 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1094 for (i = 0; i < mbx->cmd.length; i++) 1095 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1096 printf("\n"); 1097 } 1098 1099 for (retry = MCD_RETRIES; retry; retry--) { 1100 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1101 for (i = 0; i < mbx->cmd.length; i++) 1102 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1103 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1104 break; 1105 if (error == EINVAL) 1106 return error; 1107 } 1108 if (!retry) 1109 return error; 1110 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1111 return EIO; 1112 1113 return 0; 1114 } 1115 1116 static int 1117 bcd2bin(bcd_t b) 1118 { 1119 1120 return (b >> 4) * 10 + (b & 15); 1121 } 1122 1123 static bcd_t 1124 bin2bcd(int b) 1125 { 1126 1127 return ((b / 10) << 4) | (b % 10); 1128 } 1129 1130 static void 1131 hsg2msf(int hsg, bcd_t *msf) 1132 { 1133 1134 hsg += 150; 1135 F_msf(msf) = bin2bcd(hsg % 75); 1136 hsg /= 75; 1137 S_msf(msf) = bin2bcd(hsg % 60); 1138 hsg /= 60; 1139 M_msf(msf) = bin2bcd(hsg); 1140 } 1141 1142 static daddr_t 1143 msf2hsg(bcd_t *msf, int relative) 1144 { 1145 daddr_t blkno; 1146 1147 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1148 bcd2bin(S_msf(msf)) * 75 + 1149 bcd2bin(F_msf(msf)); 1150 if (!relative) 1151 blkno -= 150; 1152 return blkno; 1153 } 1154 1155 void 1156 mcd_pseudointr(void *v) 1157 { 1158 struct mcd_softc *sc = v; 1159 int s; 1160 1161 s = splbio(); 1162 (void) mcdintr(sc); 1163 splx(s); 1164 } 1165 1166 /* 1167 * State machine to process read requests. 1168 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1169 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1170 * MCD_S_WAITREAD: wait for read ready, read data. 1171 */ 1172 int 1173 mcdintr(void *arg) 1174 { 1175 struct mcd_softc *sc = arg; 1176 struct mcd_mbx *mbx = &sc->mbx; 1177 struct buf *bp = mbx->bp; 1178 bus_space_tag_t iot = sc->sc_iot; 1179 bus_space_handle_t ioh = sc->sc_ioh; 1180 1181 int i; 1182 u_char x; 1183 bcd_t msf[3]; 1184 1185 switch (mbx->state) { 1186 case MCD_S_IDLE: 1187 return 0; 1188 1189 case MCD_S_BEGIN: 1190 tryagain: 1191 if (mbx->mode == sc->lastmode) 1192 goto firstblock; 1193 1194 sc->lastmode = MCD_MD_UNKNOWN; 1195 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1196 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1197 1198 mbx->count = RDELAY_WAITMODE; 1199 mbx->state = MCD_S_WAITMODE; 1200 1201 case MCD_S_WAITMODE: 1202 callout_stop(&sc->sc_pintr_ch); 1203 for (i = 20; i; i--) { 1204 x = bus_space_read_1(iot, ioh, MCD_XFER); 1205 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1206 break; 1207 delay(50); 1208 } 1209 if (i == 0) 1210 goto hold; 1211 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1212 mcd_setflags(sc); 1213 if ((sc->flags & MCDF_LOADED) == 0) 1214 goto changed; 1215 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1216 RDELAY_WAITMODE - mbx->count); 1217 1218 sc->lastmode = mbx->mode; 1219 1220 firstblock: 1221 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1222 (int) mbx->blkno, bp); 1223 1224 /* Build parameter block. */ 1225 hsg2msf(mbx->blkno, msf); 1226 1227 /* Send the read command. */ 1228 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1229 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1230 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1231 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1232 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1233 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1234 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1235 1236 mbx->count = RDELAY_WAITREAD; 1237 mbx->state = MCD_S_WAITREAD; 1238 1239 case MCD_S_WAITREAD: 1240 callout_stop(&sc->sc_pintr_ch); 1241 nextblock: 1242 loop: 1243 for (i = 20; i; i--) { 1244 x = bus_space_read_1(iot, ioh, MCD_XFER); 1245 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1246 goto gotblock; 1247 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1248 break; 1249 delay(50); 1250 } 1251 if (i == 0) 1252 goto hold; 1253 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1254 mcd_setflags(sc); 1255 if ((sc->flags & MCDF_LOADED) == 0) 1256 goto changed; 1257 #if 0 1258 printf("%s: got status byte %02x during read\n", 1259 device_xname(sc->sc_dev), (u_int)sc->status); 1260 #endif 1261 goto loop; 1262 1263 gotblock: 1264 MCD_TRACE("doread: got data delay=%d\n", 1265 RDELAY_WAITREAD - mbx->count); 1266 1267 /* Data is ready. */ 1268 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1269 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1270 (char *)bp->b_data + mbx->skip, mbx->sz); 1271 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1272 mbx->blkno += 1; 1273 mbx->skip += mbx->sz; 1274 if (--mbx->nblk > 0) 1275 goto nextblock; 1276 1277 mbx->state = MCD_S_IDLE; 1278 1279 /* Return buffer. */ 1280 bp->b_resid = 0; 1281 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1282 biodone(bp); 1283 1284 mcdstart(sc); 1285 return 1; 1286 1287 hold: 1288 if (mbx->count-- < 0) { 1289 printf("%s: timeout in state %d", 1290 device_xname(sc->sc_dev), mbx->state); 1291 goto readerr; 1292 } 1293 1294 #if 0 1295 printf("%s: sleep in state %d\n", device_xname(sc->sc_dev), 1296 mbx->state); 1297 #endif 1298 callout_reset(&sc->sc_pintr_ch, hz / 100, 1299 mcd_pseudointr, sc); 1300 return -1; 1301 } 1302 1303 readerr: 1304 if (mbx->retry-- > 0) { 1305 printf("; retrying\n"); 1306 goto tryagain; 1307 } else 1308 printf("; giving up\n"); 1309 1310 changed: 1311 /* Invalidate the buffer. */ 1312 bp->b_error = EIO; 1313 bp->b_resid = bp->b_bcount - mbx->skip; 1314 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1315 (bp->b_flags & B_READ)); 1316 biodone(bp); 1317 1318 mcdstart(sc); 1319 return -1; 1320 1321 #ifdef notyet 1322 printf("%s: unit timeout; resetting\n", device_xname(sc->sc_dev)); 1323 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1324 delay(300000); 1325 (void) mcd_getstat(sc, 1); 1326 (void) mcd_getstat(sc, 1); 1327 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1328 sc->debug = 1; /* preventive set debug mode */ 1329 #endif 1330 } 1331 1332 void 1333 mcd_soft_reset(struct mcd_softc *sc) 1334 { 1335 1336 sc->debug = 0; 1337 sc->flags = 0; 1338 sc->lastmode = MCD_MD_UNKNOWN; 1339 sc->lastupc = MCD_UPC_UNKNOWN; 1340 sc->audio_status = CD_AS_AUDIO_INVALID; 1341 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1342 } 1343 1344 int 1345 mcd_hard_reset(struct mcd_softc *sc) 1346 { 1347 struct mcd_mbox mbx; 1348 1349 mcd_soft_reset(sc); 1350 1351 mbx.cmd.opcode = MCD_CMDRESET; 1352 mbx.cmd.length = 0; 1353 mbx.res.length = 0; 1354 return mcd_send(sc, &mbx, 0); 1355 } 1356 1357 int 1358 mcd_setmode(struct mcd_softc *sc, int mode) 1359 { 1360 struct mcd_mbox mbx; 1361 int error; 1362 1363 if (sc->lastmode == mode) 1364 return 0; 1365 if (sc->debug) 1366 printf("%s: setting mode to %d\n", device_xname(sc->sc_dev), mode); 1367 sc->lastmode = MCD_MD_UNKNOWN; 1368 1369 mbx.cmd.opcode = MCD_CMDSETMODE; 1370 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1371 mbx.cmd.data.datamode.mode = mode; 1372 mbx.res.length = 0; 1373 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1374 return error; 1375 1376 sc->lastmode = mode; 1377 return 0; 1378 } 1379 1380 int 1381 mcd_setupc(struct mcd_softc *sc, int upc) 1382 { 1383 struct mcd_mbox mbx; 1384 int error; 1385 1386 if (sc->lastupc == upc) 1387 return 0; 1388 if (sc->debug) 1389 printf("%s: setting upc to %d\n", device_xname(sc->sc_dev), upc); 1390 sc->lastupc = MCD_UPC_UNKNOWN; 1391 1392 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1393 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1394 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1395 mbx.cmd.data.config.data1 = upc; 1396 mbx.res.length = 0; 1397 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1398 return error; 1399 1400 sc->lastupc = upc; 1401 return 0; 1402 } 1403 1404 int 1405 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1406 { 1407 1408 if (sc->debug) 1409 printf("%s: mcd_toc_header: reading toc header\n", 1410 device_xname(sc->sc_dev)); 1411 1412 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1413 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1414 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1415 1416 return 0; 1417 } 1418 1419 int 1420 mcd_read_toc(struct mcd_softc *sc) 1421 { 1422 struct ioc_toc_header th; 1423 union mcd_qchninfo q; 1424 int error, trk, idx, retry; 1425 1426 if ((error = mcd_toc_header(sc, &th)) != 0) 1427 return error; 1428 1429 if ((error = mcd_stop(sc)) != 0) 1430 return error; 1431 1432 if (sc->debug) 1433 printf("%s: read_toc: reading qchannel info\n", 1434 device_xname(sc->sc_dev)); 1435 1436 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1437 sc->toc[trk].toc.idx_no = 0x00; 1438 trk = th.ending_track - th.starting_track + 1; 1439 for (retry = 300; retry && trk > 0; retry--) { 1440 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1441 break; 1442 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1443 continue; 1444 idx = bcd2bin(q.toc.idx_no); 1445 if (idx < MCD_MAXTOCS && 1446 sc->toc[idx].toc.idx_no == 0x00) { 1447 sc->toc[idx] = q; 1448 trk--; 1449 } 1450 } 1451 1452 /* Inform the drive that we're finished so it turns off the light. */ 1453 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1454 return error; 1455 1456 if (trk != 0) 1457 return EINVAL; 1458 1459 /* Add a fake last+1 for mcd_playtracks(). */ 1460 idx = th.ending_track + 1; 1461 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1462 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1463 sc->toc[idx].toc.trk_no = 0x00; 1464 sc->toc[idx].toc.idx_no = 0xaa; 1465 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1466 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1467 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1468 1469 return 0; 1470 } 1471 1472 int 1473 mcd_toc_entries(struct mcd_softc *sc, struct ioc_read_toc_entry *te, struct cd_toc_entry *entries, int *count) 1474 { 1475 int len = te->data_len; 1476 struct ioc_toc_header header; 1477 u_char trk; 1478 daddr_t lba; 1479 int error, n; 1480 1481 if (len < sizeof(struct cd_toc_entry)) 1482 return EINVAL; 1483 if (te->address_format != CD_MSF_FORMAT && 1484 te->address_format != CD_LBA_FORMAT) 1485 return EINVAL; 1486 1487 /* Copy the TOC header. */ 1488 if ((error = mcd_toc_header(sc, &header)) != 0) 1489 return error; 1490 1491 /* Verify starting track. */ 1492 trk = te->starting_track; 1493 if (trk == 0x00) 1494 trk = header.starting_track; 1495 else if (trk == 0xaa) 1496 trk = header.ending_track + 1; 1497 else if (trk < header.starting_track || 1498 trk > header.ending_track + 1) 1499 return EINVAL; 1500 1501 /* Copy the TOC data. */ 1502 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1503 if (n * sizeof entries[0] > len) 1504 break; 1505 if (sc->toc[trk].toc.idx_no == 0x00) 1506 continue; 1507 entries[n].control = sc->toc[trk].toc.control; 1508 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1509 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1510 switch (te->address_format) { 1511 case CD_MSF_FORMAT: 1512 entries[n].addr.addr[0] = 0; 1513 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1514 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1515 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1516 break; 1517 case CD_LBA_FORMAT: 1518 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1519 entries[n].addr.addr[0] = lba >> 24; 1520 entries[n].addr.addr[1] = lba >> 16; 1521 entries[n].addr.addr[2] = lba >> 8; 1522 entries[n].addr.addr[3] = lba; 1523 break; 1524 } 1525 } 1526 1527 *count = n; 1528 return 0; 1529 } 1530 1531 int 1532 mcd_stop(struct mcd_softc *sc) 1533 { 1534 struct mcd_mbox mbx; 1535 int error; 1536 1537 if (sc->debug) 1538 printf("%s: mcd_stop: stopping play\n", device_xname(sc->sc_dev)); 1539 1540 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1541 mbx.cmd.length = 0; 1542 mbx.res.length = 0; 1543 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1544 return error; 1545 1546 sc->audio_status = CD_AS_PLAY_COMPLETED; 1547 return 0; 1548 } 1549 1550 int 1551 mcd_getqchan(struct mcd_softc *sc, union mcd_qchninfo *q, int qchn) 1552 { 1553 struct mcd_mbox mbx; 1554 int error; 1555 1556 if (qchn == CD_TRACK_INFO) { 1557 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1558 return error; 1559 } else { 1560 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1561 return error; 1562 } 1563 if (qchn == CD_MEDIA_CATALOG) { 1564 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1565 return error; 1566 } else { 1567 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1568 return error; 1569 } 1570 1571 mbx.cmd.opcode = MCD_CMDGETQCHN; 1572 mbx.cmd.length = 0; 1573 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1574 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1575 return error; 1576 1577 *q = mbx.res.data.qchninfo; 1578 return 0; 1579 } 1580 1581 int 1582 mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, struct cd_sub_channel_info *info) 1583 { 1584 int len = ch->data_len; 1585 union mcd_qchninfo q; 1586 daddr_t lba; 1587 int error; 1588 1589 if (sc->debug) 1590 printf("%s: subchan: af=%d df=%d\n", device_xname(sc->sc_dev), 1591 ch->address_format, ch->data_format); 1592 1593 if (len > sizeof(*info) || len < sizeof(info->header)) 1594 return EINVAL; 1595 if (ch->address_format != CD_MSF_FORMAT && 1596 ch->address_format != CD_LBA_FORMAT) 1597 return EINVAL; 1598 if (ch->data_format != CD_CURRENT_POSITION && 1599 ch->data_format != CD_MEDIA_CATALOG) 1600 return EINVAL; 1601 1602 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1603 return error; 1604 1605 info->header.audio_status = sc->audio_status; 1606 info->what.media_catalog.data_format = ch->data_format; 1607 1608 switch (ch->data_format) { 1609 case CD_MEDIA_CATALOG: 1610 info->what.media_catalog.mc_valid = 1; 1611 #if 0 1612 info->what.media_catalog.mc_number = 1613 #endif 1614 break; 1615 1616 case CD_CURRENT_POSITION: 1617 info->what.position.track_number = bcd2bin(q.current.trk_no); 1618 info->what.position.index_number = bcd2bin(q.current.idx_no); 1619 switch (ch->address_format) { 1620 case CD_MSF_FORMAT: 1621 info->what.position.reladdr.addr[0] = 0; 1622 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1623 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1624 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1625 info->what.position.absaddr.addr[0] = 0; 1626 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1627 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1628 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1629 break; 1630 case CD_LBA_FORMAT: 1631 lba = msf2hsg(q.current.relative_pos, 1); 1632 /* 1633 * Pre-gap has index number of 0, and decreasing MSF 1634 * address. Must be converted to negative LBA, per 1635 * SCSI spec. 1636 */ 1637 if (info->what.position.index_number == 0x00) 1638 lba = -lba; 1639 info->what.position.reladdr.addr[0] = lba >> 24; 1640 info->what.position.reladdr.addr[1] = lba >> 16; 1641 info->what.position.reladdr.addr[2] = lba >> 8; 1642 info->what.position.reladdr.addr[3] = lba; 1643 lba = msf2hsg(q.current.absolute_pos, 0); 1644 info->what.position.absaddr.addr[0] = lba >> 24; 1645 info->what.position.absaddr.addr[1] = lba >> 16; 1646 info->what.position.absaddr.addr[2] = lba >> 8; 1647 info->what.position.absaddr.addr[3] = lba; 1648 break; 1649 } 1650 break; 1651 } 1652 1653 return 0; 1654 } 1655 1656 int 1657 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *p) 1658 { 1659 struct mcd_mbox mbx; 1660 int a = p->start_track; 1661 int z = p->end_track; 1662 int error; 1663 1664 if (sc->debug) 1665 printf("%s: playtracks: from %d:%d to %d:%d\n", 1666 device_xname(sc->sc_dev), 1667 a, p->start_index, z, p->end_index); 1668 1669 if (a < bcd2bin(sc->volinfo.trk_low) || 1670 a > bcd2bin(sc->volinfo.trk_high) || 1671 a > z || 1672 z < bcd2bin(sc->volinfo.trk_low) || 1673 z > bcd2bin(sc->volinfo.trk_high)) 1674 return EINVAL; 1675 1676 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1677 return error; 1678 1679 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1680 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1681 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1682 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1683 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1684 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1685 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1686 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1687 sc->lastpb = mbx.cmd; 1688 mbx.res.length = 0; 1689 return mcd_send(sc, &mbx, 1); 1690 } 1691 1692 int 1693 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p) 1694 { 1695 struct mcd_mbox mbx; 1696 int error; 1697 1698 if (sc->debug) 1699 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1700 device_xname(sc->sc_dev), 1701 p->start_m, p->start_s, p->start_f, 1702 p->end_m, p->end_s, p->end_f); 1703 1704 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1705 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1706 return EINVAL; 1707 1708 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1709 return error; 1710 1711 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1712 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1713 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1714 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1715 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1716 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1717 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1718 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1719 sc->lastpb = mbx.cmd; 1720 mbx.res.length = 0; 1721 return mcd_send(sc, &mbx, 1); 1722 } 1723 1724 int 1725 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p) 1726 { 1727 struct mcd_mbox mbx; 1728 int error; 1729 1730 if (sc->debug) 1731 printf("%s: playblocks: blkno %d length %d\n", 1732 device_xname(sc->sc_dev), p->blk, p->len); 1733 1734 if (p->blk > sc->disksize || p->len > sc->disksize || 1735 (p->blk + p->len) > sc->disksize) 1736 return 0; 1737 1738 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1739 return error; 1740 1741 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1742 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1743 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1744 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1745 sc->lastpb = mbx.cmd; 1746 mbx.res.length = 0; 1747 return mcd_send(sc, &mbx, 1); 1748 } 1749 1750 int 1751 mcd_pause(struct mcd_softc *sc) 1752 { 1753 union mcd_qchninfo q; 1754 int error; 1755 1756 /* Verify current status. */ 1757 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1758 printf("%s: pause: attempted when not playing\n", 1759 device_xname(sc->sc_dev)); 1760 return EINVAL; 1761 } 1762 1763 /* Get the current position. */ 1764 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1765 return error; 1766 1767 /* Copy it into lastpb. */ 1768 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1769 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1770 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1771 1772 /* Stop playing. */ 1773 if ((error = mcd_stop(sc)) != 0) 1774 return error; 1775 1776 /* Set the proper status and exit. */ 1777 sc->audio_status = CD_AS_PLAY_PAUSED; 1778 return 0; 1779 } 1780 1781 int 1782 mcd_resume(struct mcd_softc *sc) 1783 { 1784 struct mcd_mbox mbx; 1785 int error; 1786 1787 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1788 return EINVAL; 1789 1790 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1791 return error; 1792 1793 mbx.cmd = sc->lastpb; 1794 mbx.res.length = 0; 1795 return mcd_send(sc, &mbx, 1); 1796 } 1797 1798 int 1799 mcd_eject(struct mcd_softc *sc) 1800 { 1801 struct mcd_mbox mbx; 1802 1803 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1804 mbx.cmd.length = 0; 1805 mbx.res.length = 0; 1806 return mcd_send(sc, &mbx, 0); 1807 } 1808 1809 int 1810 mcd_setlock(struct mcd_softc *sc, int mode) 1811 { 1812 struct mcd_mbox mbx; 1813 1814 mbx.cmd.opcode = MCD_CMDSETLOCK; 1815 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1816 mbx.cmd.data.lockmode.mode = mode; 1817 mbx.res.length = 0; 1818 return mcd_send(sc, &mbx, 1); 1819 } 1820
Indexes created Tue Sep 30 20:09:53 GMT 2025