mcd.c revision 1.113
1 /* $NetBSD: mcd.c,v 1.113 2014/07/25 08:10:37 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 1.113 2014/07/25 08:10:37 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_discard = nodiscard, 233 .d_flag = D_DISK 234 }; 235 236 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 237 void mcdgetdisklabel(struct mcd_softc *); 238 int mcd_get_parms(struct mcd_softc *); 239 void mcdstart(struct mcd_softc *); 240 void mcd_pseudointr(void *); 241 242 struct dkdriver mcddkdriver = { mcdstrategy, NULL, }; 243 244 #define MCD_RETRIES 3 245 #define MCD_RDRETRIES 3 246 247 /* several delays */ 248 #define RDELAY_WAITMODE 300 249 #define RDELAY_WAITREAD 800 250 251 #define DELAY_GRANULARITY 25 /* 25us */ 252 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 253 254 void 255 mcdattach(device_t parent, device_t self, void *aux) 256 { 257 struct mcd_softc *sc = device_private(self); 258 struct isa_attach_args *ia = aux; 259 bus_space_tag_t iot = ia->ia_iot; 260 bus_space_handle_t ioh; 261 struct mcd_mbox mbx; 262 263 /* Map i/o space */ 264 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 265 printf(": can't map i/o space\n"); 266 return; 267 } 268 269 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 270 271 sc->sc_iot = iot; 272 sc->sc_ioh = ioh; 273 274 sc->probe = 0; 275 sc->debug = 0; 276 277 if (!mcd_find(iot, ioh, sc)) { 278 printf(": mcd_find failed\n"); 279 return; 280 } 281 282 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 283 callout_init(&sc->sc_pintr_ch, 0); 284 285 /* 286 * Initialize and attach the disk structure. 287 */ 288 disk_init(&sc->sc_dk, device_xname(sc->sc_dev), &mcddkdriver); 289 disk_attach(&sc->sc_dk); 290 291 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 292 293 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 294 295 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 296 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 297 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 298 mbx.cmd.data.config.data1 = 0x01; 299 mbx.res.length = 0; 300 (void) mcd_send(sc, &mbx, 0); 301 302 mcd_soft_reset(sc); 303 304 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 305 IST_EDGE, IPL_BIO, mcdintr, sc); 306 } 307 308 int 309 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 310 { 311 int error, part; 312 struct mcd_softc *sc; 313 314 sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 315 if (sc == NULL) 316 return ENXIO; 317 318 mutex_enter(&sc->sc_lock); 319 320 if (sc->sc_dk.dk_openmask != 0) { 321 /* 322 * If any partition is open, but the disk has been invalidated, 323 * disallow further opens. 324 */ 325 if ((sc->flags & MCDF_LOADED) == 0) { 326 error = EIO; 327 goto bad3; 328 } 329 } else { 330 /* 331 * Lock the drawer. This will also notice any pending disk 332 * change or door open indicator and clear the MCDF_LOADED bit 333 * if necessary. 334 */ 335 (void) mcd_setlock(sc, MCD_LK_LOCK); 336 337 if ((sc->flags & MCDF_LOADED) == 0) { 338 /* Partially reset the state. */ 339 sc->lastmode = MCD_MD_UNKNOWN; 340 sc->lastupc = MCD_UPC_UNKNOWN; 341 342 sc->flags |= MCDF_LOADED; 343 344 /* Set the mode, causing the disk to spin up. */ 345 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 346 goto bad2; 347 348 /* Load the physical device parameters. */ 349 if (mcd_get_parms(sc) != 0) { 350 error = ENXIO; 351 goto bad2; 352 } 353 354 /* Read the table of contents. */ 355 if ((error = mcd_read_toc(sc)) != 0) 356 goto bad2; 357 358 /* Fabricate a disk label. */ 359 mcdgetdisklabel(sc); 360 } 361 } 362 363 part = MCDPART(dev); 364 365 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 366 sc->disksize, sc->blksize); 367 368 /* Check that the partition exists. */ 369 if (part != RAW_PART && 370 (part >= sc->sc_dk.dk_label->d_npartitions || 371 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 372 error = ENXIO; 373 goto bad; 374 } 375 376 /* Insure only one open at a time. */ 377 switch (fmt) { 378 case S_IFCHR: 379 sc->sc_dk.dk_copenmask |= (1 << part); 380 break; 381 case S_IFBLK: 382 sc->sc_dk.dk_bopenmask |= (1 << part); 383 break; 384 } 385 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 386 387 mutex_exit(&sc->sc_lock); 388 return 0; 389 390 bad2: 391 sc->flags &= ~MCDF_LOADED; 392 393 bad: 394 if (sc->sc_dk.dk_openmask == 0) { 395 #if 0 396 (void) mcd_setmode(sc, MCD_MD_SLEEP); 397 #endif 398 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 399 } 400 401 bad3: 402 mutex_exit(&sc->sc_lock); 403 return error; 404 } 405 406 int 407 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 408 { 409 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 410 int part = MCDPART(dev); 411 412 MCD_TRACE("close: partition=%d\n", part); 413 414 mutex_enter(&sc->sc_lock); 415 416 switch (fmt) { 417 case S_IFCHR: 418 sc->sc_dk.dk_copenmask &= ~(1 << part); 419 break; 420 case S_IFBLK: 421 sc->sc_dk.dk_bopenmask &= ~(1 << part); 422 break; 423 } 424 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 425 426 if (sc->sc_dk.dk_openmask == 0) { 427 /* XXXX Must wait for I/O to complete! */ 428 429 #if 0 430 (void) mcd_setmode(sc, MCD_MD_SLEEP); 431 #endif 432 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 433 } 434 435 mutex_exit(&sc->sc_lock); 436 return 0; 437 } 438 439 void 440 mcdstrategy(struct buf *bp) 441 { 442 struct mcd_softc *sc; 443 struct disklabel *lp; 444 daddr_t blkno; 445 int s; 446 447 sc = device_lookup_private(&mcd_cd, MCDUNIT(bp->b_dev)); 448 lp = sc->sc_dk.dk_label; 449 450 /* Test validity. */ 451 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 452 (int) bp->b_blkno, bp->b_bcount); 453 if (bp->b_blkno < 0 || 454 (bp->b_bcount % sc->blksize) != 0) { 455 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 456 device_xname(sc->sc_dev), bp->b_blkno, bp->b_bcount); 457 bp->b_error = EINVAL; 458 goto done; 459 } 460 461 /* If device invalidated (e.g. media change, door open), error. */ 462 if ((sc->flags & MCDF_LOADED) == 0) { 463 MCD_TRACE("strategy: drive not valid%s", "\n"); 464 bp->b_error = EIO; 465 goto done; 466 } 467 468 /* No data to read. */ 469 if (bp->b_bcount == 0) 470 goto done; 471 472 /* 473 * Do bounds checking, adjust transfer. if error, process. 474 * If end of partition, just return. 475 */ 476 if (MCDPART(bp->b_dev) != RAW_PART && 477 bounds_check_with_label(&sc->sc_dk, bp, 478 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 479 goto done; 480 481 /* 482 * Now convert the block number to absolute and put it in 483 * terms of the device's logical block size. 484 */ 485 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 486 if (MCDPART(bp->b_dev) != RAW_PART) 487 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 488 489 bp->b_rawblkno = blkno; 490 491 /* Queue it. */ 492 s = splbio(); 493 bufq_put(sc->buf_queue, bp); 494 splx(s); 495 if (!sc->active) 496 mcdstart(sc); 497 return; 498 499 done: 500 bp->b_resid = bp->b_bcount; 501 biodone(bp); 502 } 503 504 void 505 mcdstart(struct mcd_softc *sc) 506 { 507 struct buf *bp; 508 int s; 509 510 loop: 511 s = splbio(); 512 513 if ((bp = bufq_get(sc->buf_queue)) == NULL) { 514 /* Nothing to do. */ 515 sc->active = 0; 516 splx(s); 517 return; 518 } 519 520 /* Block found to process. */ 521 MCD_TRACE("start: found block bp=0x%p\n", bp); 522 splx(s); 523 524 /* Changed media? */ 525 if ((sc->flags & MCDF_LOADED) == 0) { 526 MCD_TRACE("start: drive not valid%s", "\n"); 527 bp->b_error = EIO; 528 biodone(bp); 529 goto loop; 530 } 531 532 sc->active = 1; 533 534 /* Instrumentation. */ 535 s = splbio(); 536 disk_busy(&sc->sc_dk); 537 splx(s); 538 539 sc->mbx.retry = MCD_RDRETRIES; 540 sc->mbx.bp = bp; 541 sc->mbx.blkno = bp->b_rawblkno; 542 sc->mbx.nblk = bp->b_bcount / sc->blksize; 543 sc->mbx.sz = sc->blksize; 544 sc->mbx.skip = 0; 545 sc->mbx.state = MCD_S_BEGIN; 546 sc->mbx.mode = MCD_MD_COOKED; 547 548 s = splbio(); 549 (void) mcdintr(sc); 550 splx(s); 551 } 552 553 int 554 mcdread(dev_t dev, struct uio *uio, int flags) 555 { 556 557 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 558 } 559 560 int 561 mcdwrite(dev_t dev, struct uio *uio, int flags) 562 { 563 564 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 565 } 566 567 int 568 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 569 { 570 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 571 int error; 572 int part; 573 #ifdef __HAVE_OLD_DISKLABEL 574 struct disklabel newlabel; 575 #endif 576 577 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 578 579 if ((sc->flags & MCDF_LOADED) == 0) 580 return EIO; 581 582 part = MCDPART(dev); 583 switch (cmd) { 584 case DIOCGDINFO: 585 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 586 return 0; 587 #ifdef __HAVE_OLD_DISKLABEL 588 case ODIOCGDINFO: 589 newlabel = *(sc->sc_dk.dk_label); 590 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 591 return ENOTTY; 592 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 593 return 0; 594 #endif 595 596 case DIOCGPART: 597 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 598 ((struct partinfo *)addr)->part = 599 &sc->sc_dk.dk_label->d_partitions[part]; 600 return 0; 601 602 case DIOCWDINFO: 603 case DIOCSDINFO: 604 #ifdef __HAVE_OLD_DISKLABEL 605 case ODIOCWDINFO: 606 case ODIOCSDINFO: 607 #endif 608 { 609 struct disklabel *lp; 610 611 if ((flag & FWRITE) == 0) 612 return EBADF; 613 614 #ifdef __HAVE_OLD_DISKLABEL 615 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 616 memset(&newlabel, 0, sizeof newlabel); 617 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 618 lp = &newlabel; 619 } else 620 #endif 621 lp = addr; 622 623 mutex_enter(&sc->sc_lock); 624 sc->flags |= MCDF_LABELLING; 625 626 error = setdisklabel(sc->sc_dk.dk_label, 627 lp, /*sc->sc_dk.dk_openmask : */0, 628 sc->sc_dk.dk_cpulabel); 629 if (error == 0) { 630 } 631 632 sc->flags &= ~MCDF_LABELLING; 633 mutex_exit(&sc->sc_lock); 634 return error; 635 } 636 637 case DIOCWLABEL: 638 return EBADF; 639 640 case DIOCGDEFLABEL: 641 mcdgetdefaultlabel(sc, addr); 642 return 0; 643 644 #ifdef __HAVE_OLD_DISKLABEL 645 case ODIOCGDEFLABEL: 646 mcdgetdefaultlabel(sc, &newlabel); 647 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 648 return ENOTTY; 649 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 650 return 0; 651 #endif 652 653 case CDIOCPLAYTRACKS: 654 return mcd_playtracks(sc, addr); 655 case CDIOCPLAYMSF: 656 return mcd_playmsf(sc, addr); 657 case CDIOCPLAYBLOCKS: 658 return mcd_playblocks(sc, addr); 659 case CDIOCREADSUBCHANNEL: { 660 struct cd_sub_channel_info info; 661 error = mcd_read_subchannel(sc, addr, &info); 662 if (error != 0) { 663 struct ioc_read_subchannel *ch = addr; 664 error = copyout(&info, ch->data, ch->data_len); 665 } 666 return error; 667 } 668 case CDIOCREADSUBCHANNEL_BUF: 669 return mcd_read_subchannel(sc, addr, 670 &((struct ioc_read_subchannel_buf *)addr)->info); 671 case CDIOREADTOCHEADER: 672 return mcd_toc_header(sc, addr); 673 case CDIOREADTOCENTRYS: { 674 struct cd_toc_entry entries[MCD_MAXTOCS]; 675 struct ioc_read_toc_entry *te = addr; 676 int count; 677 if (te->data_len > sizeof entries) 678 return EINVAL; 679 error = mcd_toc_entries(sc, te, entries, &count); 680 if (error == 0) 681 /* Copy the data back. */ 682 error = copyout(entries, te->data, min(te->data_len, 683 count * sizeof(struct cd_toc_entry))); 684 return error; 685 } 686 case CDIOREADTOCENTRIES_BUF: { 687 struct ioc_read_toc_entry_buf *te = addr; 688 int count; 689 if (te->req.data_len > sizeof te->entry) 690 return EINVAL; 691 return mcd_toc_entries(sc, &te->req, te->entry, &count); 692 } 693 case CDIOCSETPATCH: 694 case CDIOCGETVOL: 695 case CDIOCSETVOL: 696 case CDIOCSETMONO: 697 case CDIOCSETSTEREO: 698 case CDIOCSETMUTE: 699 case CDIOCSETLEFT: 700 case CDIOCSETRIGHT: 701 return EINVAL; 702 case CDIOCRESUME: 703 return mcd_resume(sc); 704 case CDIOCPAUSE: 705 return mcd_pause(sc); 706 case CDIOCSTART: 707 return EINVAL; 708 case CDIOCSTOP: 709 return mcd_stop(sc); 710 case DIOCEJECT: 711 if (*(int *)addr == 0) { 712 /* 713 * Don't force eject: check that we are the only 714 * partition open. If so, unlock it. 715 */ 716 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 717 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 718 sc->sc_dk.dk_openmask) { 719 error = mcd_setlock(sc, MCD_LK_UNLOCK); 720 if (error) 721 return (error); 722 } else { 723 return (EBUSY); 724 } 725 } 726 /* FALLTHROUGH */ 727 case CDIOCEJECT: /* FALLTHROUGH */ 728 case ODIOCEJECT: 729 return mcd_eject(sc); 730 case CDIOCALLOW: 731 return mcd_setlock(sc, MCD_LK_UNLOCK); 732 case CDIOCPREVENT: 733 return mcd_setlock(sc, MCD_LK_LOCK); 734 case DIOCLOCK: 735 return mcd_setlock(sc, 736 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 737 case CDIOCSETDEBUG: 738 sc->debug = 1; 739 return 0; 740 case CDIOCCLRDEBUG: 741 sc->debug = 0; 742 return 0; 743 case CDIOCRESET: 744 return mcd_hard_reset(sc); 745 746 default: 747 return ENOTTY; 748 } 749 750 #ifdef DIAGNOSTIC 751 panic("mcdioctl: impossible"); 752 #endif 753 } 754 755 void 756 mcdgetdefaultlabel(struct mcd_softc *sc, struct disklabel *lp) 757 { 758 759 memset(lp, 0, sizeof(struct disklabel)); 760 761 lp->d_secsize = sc->blksize; 762 lp->d_ntracks = 1; 763 lp->d_nsectors = 100; 764 lp->d_ncylinders = (sc->disksize / 100) + 1; 765 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 766 767 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 768 lp->d_type = 0; /* XXX */ 769 strncpy(lp->d_packname, "fictitious", 16); 770 lp->d_secperunit = sc->disksize; 771 lp->d_rpm = 300; 772 lp->d_interleave = 1; 773 lp->d_flags = D_REMOVABLE; 774 775 lp->d_partitions[0].p_offset = 0; 776 lp->d_partitions[0].p_size = 777 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 778 lp->d_partitions[0].p_fstype = FS_ISO9660; 779 lp->d_partitions[RAW_PART].p_offset = 0; 780 lp->d_partitions[RAW_PART].p_size = 781 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 782 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 783 lp->d_npartitions = RAW_PART + 1; 784 785 lp->d_magic = DISKMAGIC; 786 lp->d_magic2 = DISKMAGIC; 787 lp->d_checksum = dkcksum(lp); 788 } 789 790 /* 791 * This could have been taken from scsi/cd.c, but it is not clear 792 * whether the scsi cd driver is linked in. 793 */ 794 void 795 mcdgetdisklabel(struct mcd_softc *sc) 796 { 797 struct disklabel *lp = sc->sc_dk.dk_label; 798 799 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 800 801 mcdgetdefaultlabel(sc, lp); 802 } 803 804 int 805 mcd_get_parms(struct mcd_softc *sc) 806 { 807 struct mcd_mbox mbx; 808 daddr_t size; 809 int error; 810 811 /* Send volume info command. */ 812 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 813 mbx.cmd.length = 0; 814 mbx.res.length = sizeof(mbx.res.data.volinfo); 815 if ((error = mcd_send(sc, &mbx, 1)) != 0) 816 return error; 817 818 if (mbx.res.data.volinfo.trk_low == 0x00 && 819 mbx.res.data.volinfo.trk_high == 0x00) 820 return EINVAL; 821 822 /* Volinfo is OK. */ 823 sc->volinfo = mbx.res.data.volinfo; 824 sc->blksize = MCD_BLKSIZE_COOKED; 825 size = msf2hsg(sc->volinfo.vol_msf, 0); 826 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 827 return 0; 828 } 829 830 int 831 mcdsize(dev_t dev) 832 { 833 834 /* CD-ROMs are read-only. */ 835 return -1; 836 } 837 838 int 839 mcddump(dev_t dev, daddr_t blkno, void *va, 840 size_t size) 841 { 842 843 /* Not implemented. */ 844 return ENXIO; 845 } 846 847 /* 848 * Find the board and fill in the softc. 849 */ 850 int 851 mcd_find(bus_space_tag_t iot, bus_space_handle_t ioh, struct mcd_softc *sc) 852 { 853 int i; 854 struct mcd_mbox mbx; 855 856 sc->sc_iot = iot; 857 sc->sc_ioh = ioh; 858 859 /* Send a reset. */ 860 bus_space_write_1(iot, ioh, MCD_RESET, 0); 861 delay(1000000); 862 /* Get any pending status and throw away. */ 863 for (i = 10; i; i--) 864 bus_space_read_1(iot, ioh, MCD_STATUS); 865 delay(1000); 866 867 /* Send get status command. */ 868 mbx.cmd.opcode = MCD_CMDGETSTAT; 869 mbx.cmd.length = 0; 870 mbx.res.length = 0; 871 if (mcd_send(sc, &mbx, 0) != 0) 872 return 0; 873 874 /* Get info about the drive. */ 875 mbx.cmd.opcode = MCD_CMDCONTINFO; 876 mbx.cmd.length = 0; 877 mbx.res.length = sizeof(mbx.res.data.continfo); 878 if (mcd_send(sc, &mbx, 0) != 0) 879 return 0; 880 881 /* 882 * The following is code which is not guaranteed to work for all 883 * drives, because the meaning of the expected 'M' is not clear 884 * (M_itsumi is an obvious assumption, but I don't trust that). 885 * Also, the original hack had a bogus condition that always 886 * returned true. 887 * 888 * Note: Which models support interrupts? >=LU005S? 889 */ 890 sc->readcmd = MCD_CMDREADSINGLESPEED; 891 switch (mbx.res.data.continfo.code) { 892 case 'M': 893 if (mbx.res.data.continfo.version <= 2) 894 sc->type = "LU002S"; 895 else if (mbx.res.data.continfo.version <= 5) 896 sc->type = "LU005S"; 897 else 898 sc->type = "LU006S"; 899 break; 900 case 'F': 901 sc->type = "FX001"; 902 break; 903 case 'D': 904 sc->type = "FX001D"; 905 sc->readcmd = MCD_CMDREADDOUBLESPEED; 906 break; 907 default: 908 /* 909 * mcd_send() says the response looked OK but the 910 * drive type is unknown. If mcd_promisc, match anyway. 911 */ 912 if (mcd_promisc != 0) 913 return 0; 914 915 #ifdef MCDDEBUG 916 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 917 device_xname(sc->sc_dev), 918 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 919 #endif 920 sc->type = 0; 921 break; 922 } 923 924 return 1; 925 926 } 927 928 int 929 mcdprobe(device_t parent, cfdata_t match, void *aux) 930 { 931 struct isa_attach_args *ia = aux; 932 struct mcd_softc sc; 933 bus_space_tag_t iot = ia->ia_iot; 934 bus_space_handle_t ioh; 935 int rv; 936 937 if (ia->ia_nio < 1) 938 return (0); 939 if (ia->ia_nirq < 1) 940 return (0); 941 942 if (ISA_DIRECT_CONFIG(ia)) 943 return (0); 944 945 /* Disallow wildcarded i/o address. */ 946 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 947 return (0); 948 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 949 return (0); 950 951 /* Map i/o space */ 952 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 953 return 0; 954 955 sc.debug = 0; 956 sc.probe = 1; 957 958 rv = mcd_find(iot, ioh, &sc); 959 960 bus_space_unmap(iot, ioh, MCD_NPORT); 961 962 if (rv) { 963 ia->ia_nio = 1; 964 ia->ia_io[0].ir_size = MCD_NPORT; 965 966 ia->ia_nirq = 1; 967 968 ia->ia_niomem = 0; 969 ia->ia_ndrq = 0; 970 } 971 972 return (rv); 973 } 974 975 int 976 mcd_getreply(struct mcd_softc *sc) 977 { 978 bus_space_tag_t iot = sc->sc_iot; 979 bus_space_handle_t ioh = sc->sc_ioh; 980 int i; 981 982 /* Wait until xfer port senses data ready. */ 983 for (i = DELAY_GETREPLY; i; i--) { 984 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 985 MCD_XF_STATUSUNAVAIL) == 0) 986 break; 987 delay(DELAY_GRANULARITY); 988 } 989 if (!i) 990 return -1; 991 992 /* Get the data. */ 993 return bus_space_read_1(iot, ioh, MCD_STATUS); 994 } 995 996 int 997 mcd_getstat(struct mcd_softc *sc) 998 { 999 struct mcd_mbox mbx; 1000 1001 mbx.cmd.opcode = MCD_CMDGETSTAT; 1002 mbx.cmd.length = 0; 1003 mbx.res.length = 0; 1004 return mcd_send(sc, &mbx, 1); 1005 } 1006 1007 int 1008 mcd_getresult(struct mcd_softc *sc, struct mcd_result *res) 1009 { 1010 int i, x; 1011 1012 if (sc->debug) 1013 printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev), 1014 res->length); 1015 1016 if ((x = mcd_getreply(sc)) < 0) { 1017 if (sc->debug) 1018 printf(" timeout\n"); 1019 else if (!sc->probe) 1020 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1021 return EIO; 1022 } 1023 if (sc->debug) 1024 printf(" %02x", (u_int)x); 1025 sc->status = x; 1026 mcd_setflags(sc); 1027 1028 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1029 return EINVAL; 1030 1031 for (i = 0; i < res->length; i++) { 1032 if ((x = mcd_getreply(sc)) < 0) { 1033 if (sc->debug) 1034 printf(" timeout\n"); 1035 else 1036 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1037 return EIO; 1038 } 1039 if (sc->debug) 1040 printf(" %02x", (u_int)x); 1041 res->data.raw.data[i] = x; 1042 } 1043 1044 if (sc->debug) 1045 printf(" succeeded\n"); 1046 1047 #ifdef MCDDEBUG 1048 delay(10); 1049 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1050 MCD_XF_STATUSUNAVAIL) == 0) { 1051 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1052 printf("%s: got extra byte %02x during getstatus\n", 1053 device_xname(sc->sc_dev), (u_int)x); 1054 delay(10); 1055 } 1056 #endif 1057 1058 return 0; 1059 } 1060 1061 void 1062 mcd_setflags(struct mcd_softc *sc) 1063 { 1064 1065 /* Check flags. */ 1066 if ((sc->flags & MCDF_LOADED) != 0 && 1067 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1068 MCD_ST_DSKIN) { 1069 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1070 printf("%s: door open\n", device_xname(sc->sc_dev)); 1071 else if ((sc->status & MCD_ST_DSKIN) == 0) 1072 printf("%s: no disk present\n", device_xname(sc->sc_dev)); 1073 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1074 printf("%s: media change\n", device_xname(sc->sc_dev)); 1075 sc->flags &= ~MCDF_LOADED; 1076 } 1077 1078 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1079 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1080 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1081 sc->audio_status == CD_AS_AUDIO_INVALID) 1082 sc->audio_status = CD_AS_PLAY_COMPLETED; 1083 } 1084 1085 int 1086 mcd_send(struct mcd_softc *sc, struct mcd_mbox *mbx, 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", device_xname(sc->sc_dev), 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(bcd_t b) 1119 { 1120 1121 return (b >> 4) * 10 + (b & 15); 1122 } 1123 1124 static bcd_t 1125 bin2bcd(int b) 1126 { 1127 1128 return ((b / 10) << 4) | (b % 10); 1129 } 1130 1131 static void 1132 hsg2msf(int hsg, bcd_t *msf) 1133 { 1134 1135 hsg += 150; 1136 F_msf(msf) = bin2bcd(hsg % 75); 1137 hsg /= 75; 1138 S_msf(msf) = bin2bcd(hsg % 60); 1139 hsg /= 60; 1140 M_msf(msf) = bin2bcd(hsg); 1141 } 1142 1143 static daddr_t 1144 msf2hsg(bcd_t *msf, int relative) 1145 { 1146 daddr_t blkno; 1147 1148 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1149 bcd2bin(S_msf(msf)) * 75 + 1150 bcd2bin(F_msf(msf)); 1151 if (!relative) 1152 blkno -= 150; 1153 return blkno; 1154 } 1155 1156 void 1157 mcd_pseudointr(void *v) 1158 { 1159 struct mcd_softc *sc = v; 1160 int s; 1161 1162 s = splbio(); 1163 (void) mcdintr(sc); 1164 splx(s); 1165 } 1166 1167 /* 1168 * State machine to process read requests. 1169 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1170 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1171 * MCD_S_WAITREAD: wait for read ready, read data. 1172 */ 1173 int 1174 mcdintr(void *arg) 1175 { 1176 struct mcd_softc *sc = arg; 1177 struct mcd_mbx *mbx = &sc->mbx; 1178 struct buf *bp = mbx->bp; 1179 bus_space_tag_t iot = sc->sc_iot; 1180 bus_space_handle_t ioh = sc->sc_ioh; 1181 1182 int i; 1183 u_char x; 1184 bcd_t msf[3]; 1185 1186 switch (mbx->state) { 1187 case MCD_S_IDLE: 1188 return 0; 1189 1190 case MCD_S_BEGIN: 1191 tryagain: 1192 if (mbx->mode == sc->lastmode) 1193 goto firstblock; 1194 1195 sc->lastmode = MCD_MD_UNKNOWN; 1196 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1197 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1198 1199 mbx->count = RDELAY_WAITMODE; 1200 mbx->state = MCD_S_WAITMODE; 1201 1202 case MCD_S_WAITMODE: 1203 callout_stop(&sc->sc_pintr_ch); 1204 for (i = 20; i; i--) { 1205 x = bus_space_read_1(iot, ioh, MCD_XFER); 1206 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1207 break; 1208 delay(50); 1209 } 1210 if (i == 0) 1211 goto hold; 1212 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1213 mcd_setflags(sc); 1214 if ((sc->flags & MCDF_LOADED) == 0) 1215 goto changed; 1216 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1217 RDELAY_WAITMODE - mbx->count); 1218 1219 sc->lastmode = mbx->mode; 1220 1221 firstblock: 1222 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1223 (int) mbx->blkno, bp); 1224 1225 /* Build parameter block. */ 1226 hsg2msf(mbx->blkno, msf); 1227 1228 /* Send the read command. */ 1229 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1230 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1231 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1232 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1233 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1234 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1235 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1236 1237 mbx->count = RDELAY_WAITREAD; 1238 mbx->state = MCD_S_WAITREAD; 1239 1240 case MCD_S_WAITREAD: 1241 callout_stop(&sc->sc_pintr_ch); 1242 nextblock: 1243 loop: 1244 for (i = 20; i; i--) { 1245 x = bus_space_read_1(iot, ioh, MCD_XFER); 1246 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1247 goto gotblock; 1248 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1249 break; 1250 delay(50); 1251 } 1252 if (i == 0) 1253 goto hold; 1254 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1255 mcd_setflags(sc); 1256 if ((sc->flags & MCDF_LOADED) == 0) 1257 goto changed; 1258 #if 0 1259 printf("%s: got status byte %02x during read\n", 1260 device_xname(sc->sc_dev), (u_int)sc->status); 1261 #endif 1262 goto loop; 1263 1264 gotblock: 1265 MCD_TRACE("doread: got data delay=%d\n", 1266 RDELAY_WAITREAD - mbx->count); 1267 1268 /* Data is ready. */ 1269 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1270 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1271 (char *)bp->b_data + mbx->skip, mbx->sz); 1272 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1273 mbx->blkno += 1; 1274 mbx->skip += mbx->sz; 1275 if (--mbx->nblk > 0) 1276 goto nextblock; 1277 1278 mbx->state = MCD_S_IDLE; 1279 1280 /* Return buffer. */ 1281 bp->b_resid = 0; 1282 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1283 biodone(bp); 1284 1285 mcdstart(sc); 1286 return 1; 1287 1288 hold: 1289 if (mbx->count-- < 0) { 1290 printf("%s: timeout in state %d", 1291 device_xname(sc->sc_dev), mbx->state); 1292 goto readerr; 1293 } 1294 1295 #if 0 1296 printf("%s: sleep in state %d\n", device_xname(sc->sc_dev), 1297 mbx->state); 1298 #endif 1299 callout_reset(&sc->sc_pintr_ch, hz / 100, 1300 mcd_pseudointr, sc); 1301 return -1; 1302 } 1303 1304 readerr: 1305 if (mbx->retry-- > 0) { 1306 printf("; retrying\n"); 1307 goto tryagain; 1308 } else 1309 printf("; giving up\n"); 1310 1311 changed: 1312 /* Invalidate the buffer. */ 1313 bp->b_error = EIO; 1314 bp->b_resid = bp->b_bcount - mbx->skip; 1315 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1316 (bp->b_flags & B_READ)); 1317 biodone(bp); 1318 1319 mcdstart(sc); 1320 return -1; 1321 1322 #ifdef notyet 1323 printf("%s: unit timeout; resetting\n", device_xname(sc->sc_dev)); 1324 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1325 delay(300000); 1326 (void) mcd_getstat(sc, 1); 1327 (void) mcd_getstat(sc, 1); 1328 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1329 sc->debug = 1; /* preventive set debug mode */ 1330 #endif 1331 } 1332 1333 void 1334 mcd_soft_reset(struct mcd_softc *sc) 1335 { 1336 1337 sc->debug = 0; 1338 sc->flags = 0; 1339 sc->lastmode = MCD_MD_UNKNOWN; 1340 sc->lastupc = MCD_UPC_UNKNOWN; 1341 sc->audio_status = CD_AS_AUDIO_INVALID; 1342 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1343 } 1344 1345 int 1346 mcd_hard_reset(struct mcd_softc *sc) 1347 { 1348 struct mcd_mbox mbx; 1349 1350 mcd_soft_reset(sc); 1351 1352 mbx.cmd.opcode = MCD_CMDRESET; 1353 mbx.cmd.length = 0; 1354 mbx.res.length = 0; 1355 return mcd_send(sc, &mbx, 0); 1356 } 1357 1358 int 1359 mcd_setmode(struct mcd_softc *sc, int mode) 1360 { 1361 struct mcd_mbox mbx; 1362 int error; 1363 1364 if (sc->lastmode == mode) 1365 return 0; 1366 if (sc->debug) 1367 printf("%s: setting mode to %d\n", device_xname(sc->sc_dev), mode); 1368 sc->lastmode = MCD_MD_UNKNOWN; 1369 1370 mbx.cmd.opcode = MCD_CMDSETMODE; 1371 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1372 mbx.cmd.data.datamode.mode = mode; 1373 mbx.res.length = 0; 1374 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1375 return error; 1376 1377 sc->lastmode = mode; 1378 return 0; 1379 } 1380 1381 int 1382 mcd_setupc(struct mcd_softc *sc, int upc) 1383 { 1384 struct mcd_mbox mbx; 1385 int error; 1386 1387 if (sc->lastupc == upc) 1388 return 0; 1389 if (sc->debug) 1390 printf("%s: setting upc to %d\n", device_xname(sc->sc_dev), upc); 1391 sc->lastupc = MCD_UPC_UNKNOWN; 1392 1393 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1394 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1395 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1396 mbx.cmd.data.config.data1 = upc; 1397 mbx.res.length = 0; 1398 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1399 return error; 1400 1401 sc->lastupc = upc; 1402 return 0; 1403 } 1404 1405 int 1406 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1407 { 1408 1409 if (sc->debug) 1410 printf("%s: mcd_toc_header: reading toc header\n", 1411 device_xname(sc->sc_dev)); 1412 1413 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1414 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1415 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1416 1417 return 0; 1418 } 1419 1420 int 1421 mcd_read_toc(struct mcd_softc *sc) 1422 { 1423 struct ioc_toc_header th; 1424 union mcd_qchninfo q; 1425 int error, trk, idx, retry; 1426 1427 if ((error = mcd_toc_header(sc, &th)) != 0) 1428 return error; 1429 1430 if ((error = mcd_stop(sc)) != 0) 1431 return error; 1432 1433 if (sc->debug) 1434 printf("%s: read_toc: reading qchannel info\n", 1435 device_xname(sc->sc_dev)); 1436 1437 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1438 sc->toc[trk].toc.idx_no = 0x00; 1439 trk = th.ending_track - th.starting_track + 1; 1440 for (retry = 300; retry && trk > 0; retry--) { 1441 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1442 break; 1443 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1444 continue; 1445 idx = bcd2bin(q.toc.idx_no); 1446 if (idx < MCD_MAXTOCS && 1447 sc->toc[idx].toc.idx_no == 0x00) { 1448 sc->toc[idx] = q; 1449 trk--; 1450 } 1451 } 1452 1453 /* Inform the drive that we're finished so it turns off the light. */ 1454 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1455 return error; 1456 1457 if (trk != 0) 1458 return EINVAL; 1459 1460 /* Add a fake last+1 for mcd_playtracks(). */ 1461 idx = th.ending_track + 1; 1462 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1463 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1464 sc->toc[idx].toc.trk_no = 0x00; 1465 sc->toc[idx].toc.idx_no = 0xaa; 1466 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1467 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1468 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1469 1470 return 0; 1471 } 1472 1473 int 1474 mcd_toc_entries(struct mcd_softc *sc, struct ioc_read_toc_entry *te, struct cd_toc_entry *entries, int *count) 1475 { 1476 int len = te->data_len; 1477 struct ioc_toc_header header; 1478 u_char trk; 1479 daddr_t lba; 1480 int error, n; 1481 1482 if (len < sizeof(struct cd_toc_entry)) 1483 return EINVAL; 1484 if (te->address_format != CD_MSF_FORMAT && 1485 te->address_format != CD_LBA_FORMAT) 1486 return EINVAL; 1487 1488 /* Copy the TOC header. */ 1489 if ((error = mcd_toc_header(sc, &header)) != 0) 1490 return error; 1491 1492 /* Verify starting track. */ 1493 trk = te->starting_track; 1494 if (trk == 0x00) 1495 trk = header.starting_track; 1496 else if (trk == 0xaa) 1497 trk = header.ending_track + 1; 1498 else if (trk < header.starting_track || 1499 trk > header.ending_track + 1) 1500 return EINVAL; 1501 1502 /* Copy the TOC data. */ 1503 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1504 if (n * sizeof entries[0] > len) 1505 break; 1506 if (sc->toc[trk].toc.idx_no == 0x00) 1507 continue; 1508 entries[n].control = sc->toc[trk].toc.control; 1509 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1510 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1511 switch (te->address_format) { 1512 case CD_MSF_FORMAT: 1513 entries[n].addr.addr[0] = 0; 1514 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1515 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1516 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1517 break; 1518 case CD_LBA_FORMAT: 1519 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1520 entries[n].addr.addr[0] = lba >> 24; 1521 entries[n].addr.addr[1] = lba >> 16; 1522 entries[n].addr.addr[2] = lba >> 8; 1523 entries[n].addr.addr[3] = lba; 1524 break; 1525 } 1526 } 1527 1528 *count = n; 1529 return 0; 1530 } 1531 1532 int 1533 mcd_stop(struct mcd_softc *sc) 1534 { 1535 struct mcd_mbox mbx; 1536 int error; 1537 1538 if (sc->debug) 1539 printf("%s: mcd_stop: stopping play\n", device_xname(sc->sc_dev)); 1540 1541 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1542 mbx.cmd.length = 0; 1543 mbx.res.length = 0; 1544 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1545 return error; 1546 1547 sc->audio_status = CD_AS_PLAY_COMPLETED; 1548 return 0; 1549 } 1550 1551 int 1552 mcd_getqchan(struct mcd_softc *sc, union mcd_qchninfo *q, int qchn) 1553 { 1554 struct mcd_mbox mbx; 1555 int error; 1556 1557 if (qchn == CD_TRACK_INFO) { 1558 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1559 return error; 1560 } else { 1561 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1562 return error; 1563 } 1564 if (qchn == CD_MEDIA_CATALOG) { 1565 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1566 return error; 1567 } else { 1568 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1569 return error; 1570 } 1571 1572 mbx.cmd.opcode = MCD_CMDGETQCHN; 1573 mbx.cmd.length = 0; 1574 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1575 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1576 return error; 1577 1578 *q = mbx.res.data.qchninfo; 1579 return 0; 1580 } 1581 1582 int 1583 mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, struct cd_sub_channel_info *info) 1584 { 1585 int len = ch->data_len; 1586 union mcd_qchninfo q; 1587 daddr_t lba; 1588 int error; 1589 1590 if (sc->debug) 1591 printf("%s: subchan: af=%d df=%d\n", device_xname(sc->sc_dev), 1592 ch->address_format, ch->data_format); 1593 1594 if (len > sizeof(*info) || len < sizeof(info->header)) 1595 return EINVAL; 1596 if (ch->address_format != CD_MSF_FORMAT && 1597 ch->address_format != CD_LBA_FORMAT) 1598 return EINVAL; 1599 if (ch->data_format != CD_CURRENT_POSITION && 1600 ch->data_format != CD_MEDIA_CATALOG) 1601 return EINVAL; 1602 1603 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1604 return error; 1605 1606 info->header.audio_status = sc->audio_status; 1607 info->what.media_catalog.data_format = ch->data_format; 1608 1609 switch (ch->data_format) { 1610 case CD_MEDIA_CATALOG: 1611 info->what.media_catalog.mc_valid = 1; 1612 #if 0 1613 info->what.media_catalog.mc_number = 1614 #endif 1615 break; 1616 1617 case CD_CURRENT_POSITION: 1618 info->what.position.track_number = bcd2bin(q.current.trk_no); 1619 info->what.position.index_number = bcd2bin(q.current.idx_no); 1620 switch (ch->address_format) { 1621 case CD_MSF_FORMAT: 1622 info->what.position.reladdr.addr[0] = 0; 1623 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1624 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1625 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1626 info->what.position.absaddr.addr[0] = 0; 1627 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1628 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1629 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1630 break; 1631 case CD_LBA_FORMAT: 1632 lba = msf2hsg(q.current.relative_pos, 1); 1633 /* 1634 * Pre-gap has index number of 0, and decreasing MSF 1635 * address. Must be converted to negative LBA, per 1636 * SCSI spec. 1637 */ 1638 if (info->what.position.index_number == 0x00) 1639 lba = -lba; 1640 info->what.position.reladdr.addr[0] = lba >> 24; 1641 info->what.position.reladdr.addr[1] = lba >> 16; 1642 info->what.position.reladdr.addr[2] = lba >> 8; 1643 info->what.position.reladdr.addr[3] = lba; 1644 lba = msf2hsg(q.current.absolute_pos, 0); 1645 info->what.position.absaddr.addr[0] = lba >> 24; 1646 info->what.position.absaddr.addr[1] = lba >> 16; 1647 info->what.position.absaddr.addr[2] = lba >> 8; 1648 info->what.position.absaddr.addr[3] = lba; 1649 break; 1650 } 1651 break; 1652 } 1653 1654 return 0; 1655 } 1656 1657 int 1658 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *p) 1659 { 1660 struct mcd_mbox mbx; 1661 int a = p->start_track; 1662 int z = p->end_track; 1663 int error; 1664 1665 if (sc->debug) 1666 printf("%s: playtracks: from %d:%d to %d:%d\n", 1667 device_xname(sc->sc_dev), 1668 a, p->start_index, z, p->end_index); 1669 1670 if (a < bcd2bin(sc->volinfo.trk_low) || 1671 a > bcd2bin(sc->volinfo.trk_high) || 1672 a > z || 1673 z < bcd2bin(sc->volinfo.trk_low) || 1674 z > bcd2bin(sc->volinfo.trk_high)) 1675 return EINVAL; 1676 1677 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1678 return error; 1679 1680 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1681 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1682 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1683 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1684 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1685 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1686 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1687 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1688 sc->lastpb = mbx.cmd; 1689 mbx.res.length = 0; 1690 return mcd_send(sc, &mbx, 1); 1691 } 1692 1693 int 1694 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p) 1695 { 1696 struct mcd_mbox mbx; 1697 int error; 1698 1699 if (sc->debug) 1700 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1701 device_xname(sc->sc_dev), 1702 p->start_m, p->start_s, p->start_f, 1703 p->end_m, p->end_s, p->end_f); 1704 1705 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1706 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1707 return EINVAL; 1708 1709 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1710 return error; 1711 1712 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1713 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1714 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1715 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1716 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1717 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1718 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1719 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1720 sc->lastpb = mbx.cmd; 1721 mbx.res.length = 0; 1722 return mcd_send(sc, &mbx, 1); 1723 } 1724 1725 int 1726 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p) 1727 { 1728 struct mcd_mbox mbx; 1729 int error; 1730 1731 if (sc->debug) 1732 printf("%s: playblocks: blkno %d length %d\n", 1733 device_xname(sc->sc_dev), p->blk, p->len); 1734 1735 if (p->blk > sc->disksize || p->len > sc->disksize || 1736 (p->blk + p->len) > sc->disksize) 1737 return 0; 1738 1739 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1740 return error; 1741 1742 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1743 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1744 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1745 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1746 sc->lastpb = mbx.cmd; 1747 mbx.res.length = 0; 1748 return mcd_send(sc, &mbx, 1); 1749 } 1750 1751 int 1752 mcd_pause(struct mcd_softc *sc) 1753 { 1754 union mcd_qchninfo q; 1755 int error; 1756 1757 /* Verify current status. */ 1758 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1759 printf("%s: pause: attempted when not playing\n", 1760 device_xname(sc->sc_dev)); 1761 return EINVAL; 1762 } 1763 1764 /* Get the current position. */ 1765 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1766 return error; 1767 1768 /* Copy it into lastpb. */ 1769 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1770 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1771 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1772 1773 /* Stop playing. */ 1774 if ((error = mcd_stop(sc)) != 0) 1775 return error; 1776 1777 /* Set the proper status and exit. */ 1778 sc->audio_status = CD_AS_PLAY_PAUSED; 1779 return 0; 1780 } 1781 1782 int 1783 mcd_resume(struct mcd_softc *sc) 1784 { 1785 struct mcd_mbox mbx; 1786 int error; 1787 1788 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1789 return EINVAL; 1790 1791 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1792 return error; 1793 1794 mbx.cmd = sc->lastpb; 1795 mbx.res.length = 0; 1796 return mcd_send(sc, &mbx, 1); 1797 } 1798 1799 int 1800 mcd_eject(struct mcd_softc *sc) 1801 { 1802 struct mcd_mbox mbx; 1803 1804 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1805 mbx.cmd.length = 0; 1806 mbx.res.length = 0; 1807 return mcd_send(sc, &mbx, 0); 1808 } 1809 1810 int 1811 mcd_setlock(struct mcd_softc *sc, int mode) 1812 { 1813 struct mcd_mbox mbx; 1814 1815 mbx.cmd.opcode = MCD_CMDSETLOCK; 1816 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1817 mbx.cmd.data.lockmode.mode = mode; 1818 mbx.res.length = 0; 1819 return mcd_send(sc, &mbx, 1); 1820 } 1821
Indexes created Tue Sep 30 11:09:46 GMT 2025