mcd.c revision 1.114
1 /* $NetBSD: mcd.c,v 1.114 2014/12/31 19:52:05 christos 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 1.114 2014/12/31 19:52:05 christos 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 error = disk_ioctl(&sc->sc_dk, dev, cmd, addr, flag, l); 583 if (error != EPASSTHROUGH) 584 return error; 585 586 part = MCDPART(dev); 587 switch (cmd) { 588 case DIOCWDINFO: 589 case DIOCSDINFO: 590 #ifdef __HAVE_OLD_DISKLABEL 591 case ODIOCWDINFO: 592 case ODIOCSDINFO: 593 #endif 594 { 595 struct disklabel *lp; 596 597 if ((flag & FWRITE) == 0) 598 return EBADF; 599 600 #ifdef __HAVE_OLD_DISKLABEL 601 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 602 memset(&newlabel, 0, sizeof newlabel); 603 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 604 lp = &newlabel; 605 } else 606 #endif 607 lp = addr; 608 609 mutex_enter(&sc->sc_lock); 610 sc->flags |= MCDF_LABELLING; 611 612 error = setdisklabel(sc->sc_dk.dk_label, 613 lp, /*sc->sc_dk.dk_openmask : */0, 614 sc->sc_dk.dk_cpulabel); 615 if (error == 0) { 616 } 617 618 sc->flags &= ~MCDF_LABELLING; 619 mutex_exit(&sc->sc_lock); 620 return error; 621 } 622 623 case DIOCWLABEL: 624 return EBADF; 625 626 case DIOCGDEFLABEL: 627 mcdgetdefaultlabel(sc, addr); 628 return 0; 629 630 #ifdef __HAVE_OLD_DISKLABEL 631 case ODIOCGDEFLABEL: 632 mcdgetdefaultlabel(sc, &newlabel); 633 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 634 return ENOTTY; 635 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 636 return 0; 637 #endif 638 639 case CDIOCPLAYTRACKS: 640 return mcd_playtracks(sc, addr); 641 case CDIOCPLAYMSF: 642 return mcd_playmsf(sc, addr); 643 case CDIOCPLAYBLOCKS: 644 return mcd_playblocks(sc, addr); 645 case CDIOCREADSUBCHANNEL: { 646 struct cd_sub_channel_info info; 647 error = mcd_read_subchannel(sc, addr, &info); 648 if (error != 0) { 649 struct ioc_read_subchannel *ch = addr; 650 error = copyout(&info, ch->data, ch->data_len); 651 } 652 return error; 653 } 654 case CDIOCREADSUBCHANNEL_BUF: 655 return mcd_read_subchannel(sc, addr, 656 &((struct ioc_read_subchannel_buf *)addr)->info); 657 case CDIOREADTOCHEADER: 658 return mcd_toc_header(sc, addr); 659 case CDIOREADTOCENTRYS: { 660 struct cd_toc_entry entries[MCD_MAXTOCS]; 661 struct ioc_read_toc_entry *te = addr; 662 int count; 663 if (te->data_len > sizeof entries) 664 return EINVAL; 665 error = mcd_toc_entries(sc, te, entries, &count); 666 if (error == 0) 667 /* Copy the data back. */ 668 error = copyout(entries, te->data, min(te->data_len, 669 count * sizeof(struct cd_toc_entry))); 670 return error; 671 } 672 case CDIOREADTOCENTRIES_BUF: { 673 struct ioc_read_toc_entry_buf *te = addr; 674 int count; 675 if (te->req.data_len > sizeof te->entry) 676 return EINVAL; 677 return mcd_toc_entries(sc, &te->req, te->entry, &count); 678 } 679 case CDIOCSETPATCH: 680 case CDIOCGETVOL: 681 case CDIOCSETVOL: 682 case CDIOCSETMONO: 683 case CDIOCSETSTEREO: 684 case CDIOCSETMUTE: 685 case CDIOCSETLEFT: 686 case CDIOCSETRIGHT: 687 return EINVAL; 688 case CDIOCRESUME: 689 return mcd_resume(sc); 690 case CDIOCPAUSE: 691 return mcd_pause(sc); 692 case CDIOCSTART: 693 return EINVAL; 694 case CDIOCSTOP: 695 return mcd_stop(sc); 696 case DIOCEJECT: 697 if (*(int *)addr == 0) { 698 /* 699 * Don't force eject: check that we are the only 700 * partition open. If so, unlock it. 701 */ 702 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 703 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 704 sc->sc_dk.dk_openmask) { 705 error = mcd_setlock(sc, MCD_LK_UNLOCK); 706 if (error) 707 return (error); 708 } else { 709 return (EBUSY); 710 } 711 } 712 /* FALLTHROUGH */ 713 case CDIOCEJECT: /* FALLTHROUGH */ 714 case ODIOCEJECT: 715 return mcd_eject(sc); 716 case CDIOCALLOW: 717 return mcd_setlock(sc, MCD_LK_UNLOCK); 718 case CDIOCPREVENT: 719 return mcd_setlock(sc, MCD_LK_LOCK); 720 case DIOCLOCK: 721 return mcd_setlock(sc, 722 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 723 case CDIOCSETDEBUG: 724 sc->debug = 1; 725 return 0; 726 case CDIOCCLRDEBUG: 727 sc->debug = 0; 728 return 0; 729 case CDIOCRESET: 730 return mcd_hard_reset(sc); 731 732 default: 733 return ENOTTY; 734 } 735 736 #ifdef DIAGNOSTIC 737 panic("mcdioctl: impossible"); 738 #endif 739 } 740 741 void 742 mcdgetdefaultlabel(struct mcd_softc *sc, struct disklabel *lp) 743 { 744 745 memset(lp, 0, sizeof(struct disklabel)); 746 747 lp->d_secsize = sc->blksize; 748 lp->d_ntracks = 1; 749 lp->d_nsectors = 100; 750 lp->d_ncylinders = (sc->disksize / 100) + 1; 751 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 752 753 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 754 lp->d_type = 0; /* XXX */ 755 strncpy(lp->d_packname, "fictitious", 16); 756 lp->d_secperunit = sc->disksize; 757 lp->d_rpm = 300; 758 lp->d_interleave = 1; 759 lp->d_flags = D_REMOVABLE; 760 761 lp->d_partitions[0].p_offset = 0; 762 lp->d_partitions[0].p_size = 763 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 764 lp->d_partitions[0].p_fstype = FS_ISO9660; 765 lp->d_partitions[RAW_PART].p_offset = 0; 766 lp->d_partitions[RAW_PART].p_size = 767 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 768 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 769 lp->d_npartitions = RAW_PART + 1; 770 771 lp->d_magic = DISKMAGIC; 772 lp->d_magic2 = DISKMAGIC; 773 lp->d_checksum = dkcksum(lp); 774 } 775 776 /* 777 * This could have been taken from scsi/cd.c, but it is not clear 778 * whether the scsi cd driver is linked in. 779 */ 780 void 781 mcdgetdisklabel(struct mcd_softc *sc) 782 { 783 struct disklabel *lp = sc->sc_dk.dk_label; 784 785 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 786 787 mcdgetdefaultlabel(sc, lp); 788 } 789 790 int 791 mcd_get_parms(struct mcd_softc *sc) 792 { 793 struct mcd_mbox mbx; 794 daddr_t size; 795 int error; 796 797 /* Send volume info command. */ 798 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 799 mbx.cmd.length = 0; 800 mbx.res.length = sizeof(mbx.res.data.volinfo); 801 if ((error = mcd_send(sc, &mbx, 1)) != 0) 802 return error; 803 804 if (mbx.res.data.volinfo.trk_low == 0x00 && 805 mbx.res.data.volinfo.trk_high == 0x00) 806 return EINVAL; 807 808 /* Volinfo is OK. */ 809 sc->volinfo = mbx.res.data.volinfo; 810 sc->blksize = MCD_BLKSIZE_COOKED; 811 size = msf2hsg(sc->volinfo.vol_msf, 0); 812 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 813 return 0; 814 } 815 816 int 817 mcdsize(dev_t dev) 818 { 819 820 /* CD-ROMs are read-only. */ 821 return -1; 822 } 823 824 int 825 mcddump(dev_t dev, daddr_t blkno, void *va, 826 size_t size) 827 { 828 829 /* Not implemented. */ 830 return ENXIO; 831 } 832 833 /* 834 * Find the board and fill in the softc. 835 */ 836 int 837 mcd_find(bus_space_tag_t iot, bus_space_handle_t ioh, struct mcd_softc *sc) 838 { 839 int i; 840 struct mcd_mbox mbx; 841 842 sc->sc_iot = iot; 843 sc->sc_ioh = ioh; 844 845 /* Send a reset. */ 846 bus_space_write_1(iot, ioh, MCD_RESET, 0); 847 delay(1000000); 848 /* Get any pending status and throw away. */ 849 for (i = 10; i; i--) 850 bus_space_read_1(iot, ioh, MCD_STATUS); 851 delay(1000); 852 853 /* Send get status command. */ 854 mbx.cmd.opcode = MCD_CMDGETSTAT; 855 mbx.cmd.length = 0; 856 mbx.res.length = 0; 857 if (mcd_send(sc, &mbx, 0) != 0) 858 return 0; 859 860 /* Get info about the drive. */ 861 mbx.cmd.opcode = MCD_CMDCONTINFO; 862 mbx.cmd.length = 0; 863 mbx.res.length = sizeof(mbx.res.data.continfo); 864 if (mcd_send(sc, &mbx, 0) != 0) 865 return 0; 866 867 /* 868 * The following is code which is not guaranteed to work for all 869 * drives, because the meaning of the expected 'M' is not clear 870 * (M_itsumi is an obvious assumption, but I don't trust that). 871 * Also, the original hack had a bogus condition that always 872 * returned true. 873 * 874 * Note: Which models support interrupts? >=LU005S? 875 */ 876 sc->readcmd = MCD_CMDREADSINGLESPEED; 877 switch (mbx.res.data.continfo.code) { 878 case 'M': 879 if (mbx.res.data.continfo.version <= 2) 880 sc->type = "LU002S"; 881 else if (mbx.res.data.continfo.version <= 5) 882 sc->type = "LU005S"; 883 else 884 sc->type = "LU006S"; 885 break; 886 case 'F': 887 sc->type = "FX001"; 888 break; 889 case 'D': 890 sc->type = "FX001D"; 891 sc->readcmd = MCD_CMDREADDOUBLESPEED; 892 break; 893 default: 894 /* 895 * mcd_send() says the response looked OK but the 896 * drive type is unknown. If mcd_promisc, match anyway. 897 */ 898 if (mcd_promisc != 0) 899 return 0; 900 901 #ifdef MCDDEBUG 902 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 903 device_xname(sc->sc_dev), 904 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 905 #endif 906 sc->type = 0; 907 break; 908 } 909 910 return 1; 911 912 } 913 914 int 915 mcdprobe(device_t parent, cfdata_t match, void *aux) 916 { 917 struct isa_attach_args *ia = aux; 918 struct mcd_softc sc; 919 bus_space_tag_t iot = ia->ia_iot; 920 bus_space_handle_t ioh; 921 int rv; 922 923 if (ia->ia_nio < 1) 924 return (0); 925 if (ia->ia_nirq < 1) 926 return (0); 927 928 if (ISA_DIRECT_CONFIG(ia)) 929 return (0); 930 931 /* Disallow wildcarded i/o address. */ 932 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 933 return (0); 934 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 935 return (0); 936 937 /* Map i/o space */ 938 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 939 return 0; 940 941 sc.debug = 0; 942 sc.probe = 1; 943 944 rv = mcd_find(iot, ioh, &sc); 945 946 bus_space_unmap(iot, ioh, MCD_NPORT); 947 948 if (rv) { 949 ia->ia_nio = 1; 950 ia->ia_io[0].ir_size = MCD_NPORT; 951 952 ia->ia_nirq = 1; 953 954 ia->ia_niomem = 0; 955 ia->ia_ndrq = 0; 956 } 957 958 return (rv); 959 } 960 961 int 962 mcd_getreply(struct mcd_softc *sc) 963 { 964 bus_space_tag_t iot = sc->sc_iot; 965 bus_space_handle_t ioh = sc->sc_ioh; 966 int i; 967 968 /* Wait until xfer port senses data ready. */ 969 for (i = DELAY_GETREPLY; i; i--) { 970 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 971 MCD_XF_STATUSUNAVAIL) == 0) 972 break; 973 delay(DELAY_GRANULARITY); 974 } 975 if (!i) 976 return -1; 977 978 /* Get the data. */ 979 return bus_space_read_1(iot, ioh, MCD_STATUS); 980 } 981 982 int 983 mcd_getstat(struct mcd_softc *sc) 984 { 985 struct mcd_mbox mbx; 986 987 mbx.cmd.opcode = MCD_CMDGETSTAT; 988 mbx.cmd.length = 0; 989 mbx.res.length = 0; 990 return mcd_send(sc, &mbx, 1); 991 } 992 993 int 994 mcd_getresult(struct mcd_softc *sc, struct mcd_result *res) 995 { 996 int i, x; 997 998 if (sc->debug) 999 printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev), 1000 res->length); 1001 1002 if ((x = mcd_getreply(sc)) < 0) { 1003 if (sc->debug) 1004 printf(" timeout\n"); 1005 else if (!sc->probe) 1006 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1007 return EIO; 1008 } 1009 if (sc->debug) 1010 printf(" %02x", (u_int)x); 1011 sc->status = x; 1012 mcd_setflags(sc); 1013 1014 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1015 return EINVAL; 1016 1017 for (i = 0; i < res->length; i++) { 1018 if ((x = mcd_getreply(sc)) < 0) { 1019 if (sc->debug) 1020 printf(" timeout\n"); 1021 else 1022 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1023 return EIO; 1024 } 1025 if (sc->debug) 1026 printf(" %02x", (u_int)x); 1027 res->data.raw.data[i] = x; 1028 } 1029 1030 if (sc->debug) 1031 printf(" succeeded\n"); 1032 1033 #ifdef MCDDEBUG 1034 delay(10); 1035 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1036 MCD_XF_STATUSUNAVAIL) == 0) { 1037 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1038 printf("%s: got extra byte %02x during getstatus\n", 1039 device_xname(sc->sc_dev), (u_int)x); 1040 delay(10); 1041 } 1042 #endif 1043 1044 return 0; 1045 } 1046 1047 void 1048 mcd_setflags(struct mcd_softc *sc) 1049 { 1050 1051 /* Check flags. */ 1052 if ((sc->flags & MCDF_LOADED) != 0 && 1053 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1054 MCD_ST_DSKIN) { 1055 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1056 printf("%s: door open\n", device_xname(sc->sc_dev)); 1057 else if ((sc->status & MCD_ST_DSKIN) == 0) 1058 printf("%s: no disk present\n", device_xname(sc->sc_dev)); 1059 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1060 printf("%s: media change\n", device_xname(sc->sc_dev)); 1061 sc->flags &= ~MCDF_LOADED; 1062 } 1063 1064 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1065 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1066 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1067 sc->audio_status == CD_AS_AUDIO_INVALID) 1068 sc->audio_status = CD_AS_PLAY_COMPLETED; 1069 } 1070 1071 int 1072 mcd_send(struct mcd_softc *sc, struct mcd_mbox *mbx, int diskin) 1073 { 1074 int retry, i, error; 1075 bus_space_tag_t iot = sc->sc_iot; 1076 bus_space_handle_t ioh = sc->sc_ioh; 1077 1078 if (sc->debug) { 1079 printf("%s: mcd_send: %d %02x", device_xname(sc->sc_dev), 1080 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1081 for (i = 0; i < mbx->cmd.length; i++) 1082 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1083 printf("\n"); 1084 } 1085 1086 for (retry = MCD_RETRIES; retry; retry--) { 1087 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1088 for (i = 0; i < mbx->cmd.length; i++) 1089 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1090 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1091 break; 1092 if (error == EINVAL) 1093 return error; 1094 } 1095 if (!retry) 1096 return error; 1097 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1098 return EIO; 1099 1100 return 0; 1101 } 1102 1103 static int 1104 bcd2bin(bcd_t b) 1105 { 1106 1107 return (b >> 4) * 10 + (b & 15); 1108 } 1109 1110 static bcd_t 1111 bin2bcd(int b) 1112 { 1113 1114 return ((b / 10) << 4) | (b % 10); 1115 } 1116 1117 static void 1118 hsg2msf(int hsg, bcd_t *msf) 1119 { 1120 1121 hsg += 150; 1122 F_msf(msf) = bin2bcd(hsg % 75); 1123 hsg /= 75; 1124 S_msf(msf) = bin2bcd(hsg % 60); 1125 hsg /= 60; 1126 M_msf(msf) = bin2bcd(hsg); 1127 } 1128 1129 static daddr_t 1130 msf2hsg(bcd_t *msf, int relative) 1131 { 1132 daddr_t blkno; 1133 1134 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1135 bcd2bin(S_msf(msf)) * 75 + 1136 bcd2bin(F_msf(msf)); 1137 if (!relative) 1138 blkno -= 150; 1139 return blkno; 1140 } 1141 1142 void 1143 mcd_pseudointr(void *v) 1144 { 1145 struct mcd_softc *sc = v; 1146 int s; 1147 1148 s = splbio(); 1149 (void) mcdintr(sc); 1150 splx(s); 1151 } 1152 1153 /* 1154 * State machine to process read requests. 1155 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1156 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1157 * MCD_S_WAITREAD: wait for read ready, read data. 1158 */ 1159 int 1160 mcdintr(void *arg) 1161 { 1162 struct mcd_softc *sc = arg; 1163 struct mcd_mbx *mbx = &sc->mbx; 1164 struct buf *bp = mbx->bp; 1165 bus_space_tag_t iot = sc->sc_iot; 1166 bus_space_handle_t ioh = sc->sc_ioh; 1167 1168 int i; 1169 u_char x; 1170 bcd_t msf[3]; 1171 1172 switch (mbx->state) { 1173 case MCD_S_IDLE: 1174 return 0; 1175 1176 case MCD_S_BEGIN: 1177 tryagain: 1178 if (mbx->mode == sc->lastmode) 1179 goto firstblock; 1180 1181 sc->lastmode = MCD_MD_UNKNOWN; 1182 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1183 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1184 1185 mbx->count = RDELAY_WAITMODE; 1186 mbx->state = MCD_S_WAITMODE; 1187 1188 case MCD_S_WAITMODE: 1189 callout_stop(&sc->sc_pintr_ch); 1190 for (i = 20; i; i--) { 1191 x = bus_space_read_1(iot, ioh, MCD_XFER); 1192 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1193 break; 1194 delay(50); 1195 } 1196 if (i == 0) 1197 goto hold; 1198 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1199 mcd_setflags(sc); 1200 if ((sc->flags & MCDF_LOADED) == 0) 1201 goto changed; 1202 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1203 RDELAY_WAITMODE - mbx->count); 1204 1205 sc->lastmode = mbx->mode; 1206 1207 firstblock: 1208 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1209 (int) mbx->blkno, bp); 1210 1211 /* Build parameter block. */ 1212 hsg2msf(mbx->blkno, msf); 1213 1214 /* Send the read command. */ 1215 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1216 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1217 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1218 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1219 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1220 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1221 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1222 1223 mbx->count = RDELAY_WAITREAD; 1224 mbx->state = MCD_S_WAITREAD; 1225 1226 case MCD_S_WAITREAD: 1227 callout_stop(&sc->sc_pintr_ch); 1228 nextblock: 1229 loop: 1230 for (i = 20; i; i--) { 1231 x = bus_space_read_1(iot, ioh, MCD_XFER); 1232 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1233 goto gotblock; 1234 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1235 break; 1236 delay(50); 1237 } 1238 if (i == 0) 1239 goto hold; 1240 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1241 mcd_setflags(sc); 1242 if ((sc->flags & MCDF_LOADED) == 0) 1243 goto changed; 1244 #if 0 1245 printf("%s: got status byte %02x during read\n", 1246 device_xname(sc->sc_dev), (u_int)sc->status); 1247 #endif 1248 goto loop; 1249 1250 gotblock: 1251 MCD_TRACE("doread: got data delay=%d\n", 1252 RDELAY_WAITREAD - mbx->count); 1253 1254 /* Data is ready. */ 1255 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1256 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1257 (char *)bp->b_data + mbx->skip, mbx->sz); 1258 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1259 mbx->blkno += 1; 1260 mbx->skip += mbx->sz; 1261 if (--mbx->nblk > 0) 1262 goto nextblock; 1263 1264 mbx->state = MCD_S_IDLE; 1265 1266 /* Return buffer. */ 1267 bp->b_resid = 0; 1268 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1269 biodone(bp); 1270 1271 mcdstart(sc); 1272 return 1; 1273 1274 hold: 1275 if (mbx->count-- < 0) { 1276 printf("%s: timeout in state %d", 1277 device_xname(sc->sc_dev), mbx->state); 1278 goto readerr; 1279 } 1280 1281 #if 0 1282 printf("%s: sleep in state %d\n", device_xname(sc->sc_dev), 1283 mbx->state); 1284 #endif 1285 callout_reset(&sc->sc_pintr_ch, hz / 100, 1286 mcd_pseudointr, sc); 1287 return -1; 1288 } 1289 1290 readerr: 1291 if (mbx->retry-- > 0) { 1292 printf("; retrying\n"); 1293 goto tryagain; 1294 } else 1295 printf("; giving up\n"); 1296 1297 changed: 1298 /* Invalidate the buffer. */ 1299 bp->b_error = EIO; 1300 bp->b_resid = bp->b_bcount - mbx->skip; 1301 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1302 (bp->b_flags & B_READ)); 1303 biodone(bp); 1304 1305 mcdstart(sc); 1306 return -1; 1307 1308 #ifdef notyet 1309 printf("%s: unit timeout; resetting\n", device_xname(sc->sc_dev)); 1310 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1311 delay(300000); 1312 (void) mcd_getstat(sc, 1); 1313 (void) mcd_getstat(sc, 1); 1314 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1315 sc->debug = 1; /* preventive set debug mode */ 1316 #endif 1317 } 1318 1319 void 1320 mcd_soft_reset(struct mcd_softc *sc) 1321 { 1322 1323 sc->debug = 0; 1324 sc->flags = 0; 1325 sc->lastmode = MCD_MD_UNKNOWN; 1326 sc->lastupc = MCD_UPC_UNKNOWN; 1327 sc->audio_status = CD_AS_AUDIO_INVALID; 1328 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1329 } 1330 1331 int 1332 mcd_hard_reset(struct mcd_softc *sc) 1333 { 1334 struct mcd_mbox mbx; 1335 1336 mcd_soft_reset(sc); 1337 1338 mbx.cmd.opcode = MCD_CMDRESET; 1339 mbx.cmd.length = 0; 1340 mbx.res.length = 0; 1341 return mcd_send(sc, &mbx, 0); 1342 } 1343 1344 int 1345 mcd_setmode(struct mcd_softc *sc, int mode) 1346 { 1347 struct mcd_mbox mbx; 1348 int error; 1349 1350 if (sc->lastmode == mode) 1351 return 0; 1352 if (sc->debug) 1353 printf("%s: setting mode to %d\n", device_xname(sc->sc_dev), mode); 1354 sc->lastmode = MCD_MD_UNKNOWN; 1355 1356 mbx.cmd.opcode = MCD_CMDSETMODE; 1357 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1358 mbx.cmd.data.datamode.mode = mode; 1359 mbx.res.length = 0; 1360 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1361 return error; 1362 1363 sc->lastmode = mode; 1364 return 0; 1365 } 1366 1367 int 1368 mcd_setupc(struct mcd_softc *sc, int upc) 1369 { 1370 struct mcd_mbox mbx; 1371 int error; 1372 1373 if (sc->lastupc == upc) 1374 return 0; 1375 if (sc->debug) 1376 printf("%s: setting upc to %d\n", device_xname(sc->sc_dev), upc); 1377 sc->lastupc = MCD_UPC_UNKNOWN; 1378 1379 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1380 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1381 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1382 mbx.cmd.data.config.data1 = upc; 1383 mbx.res.length = 0; 1384 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1385 return error; 1386 1387 sc->lastupc = upc; 1388 return 0; 1389 } 1390 1391 int 1392 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1393 { 1394 1395 if (sc->debug) 1396 printf("%s: mcd_toc_header: reading toc header\n", 1397 device_xname(sc->sc_dev)); 1398 1399 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1400 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1401 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1402 1403 return 0; 1404 } 1405 1406 int 1407 mcd_read_toc(struct mcd_softc *sc) 1408 { 1409 struct ioc_toc_header th; 1410 union mcd_qchninfo q; 1411 int error, trk, idx, retry; 1412 1413 if ((error = mcd_toc_header(sc, &th)) != 0) 1414 return error; 1415 1416 if ((error = mcd_stop(sc)) != 0) 1417 return error; 1418 1419 if (sc->debug) 1420 printf("%s: read_toc: reading qchannel info\n", 1421 device_xname(sc->sc_dev)); 1422 1423 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1424 sc->toc[trk].toc.idx_no = 0x00; 1425 trk = th.ending_track - th.starting_track + 1; 1426 for (retry = 300; retry && trk > 0; retry--) { 1427 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1428 break; 1429 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1430 continue; 1431 idx = bcd2bin(q.toc.idx_no); 1432 if (idx < MCD_MAXTOCS && 1433 sc->toc[idx].toc.idx_no == 0x00) { 1434 sc->toc[idx] = q; 1435 trk--; 1436 } 1437 } 1438 1439 /* Inform the drive that we're finished so it turns off the light. */ 1440 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1441 return error; 1442 1443 if (trk != 0) 1444 return EINVAL; 1445 1446 /* Add a fake last+1 for mcd_playtracks(). */ 1447 idx = th.ending_track + 1; 1448 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1449 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1450 sc->toc[idx].toc.trk_no = 0x00; 1451 sc->toc[idx].toc.idx_no = 0xaa; 1452 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1453 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1454 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1455 1456 return 0; 1457 } 1458 1459 int 1460 mcd_toc_entries(struct mcd_softc *sc, struct ioc_read_toc_entry *te, struct cd_toc_entry *entries, int *count) 1461 { 1462 int len = te->data_len; 1463 struct ioc_toc_header header; 1464 u_char trk; 1465 daddr_t lba; 1466 int error, n; 1467 1468 if (len < sizeof(struct cd_toc_entry)) 1469 return EINVAL; 1470 if (te->address_format != CD_MSF_FORMAT && 1471 te->address_format != CD_LBA_FORMAT) 1472 return EINVAL; 1473 1474 /* Copy the TOC header. */ 1475 if ((error = mcd_toc_header(sc, &header)) != 0) 1476 return error; 1477 1478 /* Verify starting track. */ 1479 trk = te->starting_track; 1480 if (trk == 0x00) 1481 trk = header.starting_track; 1482 else if (trk == 0xaa) 1483 trk = header.ending_track + 1; 1484 else if (trk < header.starting_track || 1485 trk > header.ending_track + 1) 1486 return EINVAL; 1487 1488 /* Copy the TOC data. */ 1489 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1490 if (n * sizeof entries[0] > len) 1491 break; 1492 if (sc->toc[trk].toc.idx_no == 0x00) 1493 continue; 1494 entries[n].control = sc->toc[trk].toc.control; 1495 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1496 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1497 switch (te->address_format) { 1498 case CD_MSF_FORMAT: 1499 entries[n].addr.addr[0] = 0; 1500 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1501 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1502 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1503 break; 1504 case CD_LBA_FORMAT: 1505 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1506 entries[n].addr.addr[0] = lba >> 24; 1507 entries[n].addr.addr[1] = lba >> 16; 1508 entries[n].addr.addr[2] = lba >> 8; 1509 entries[n].addr.addr[3] = lba; 1510 break; 1511 } 1512 } 1513 1514 *count = n; 1515 return 0; 1516 } 1517 1518 int 1519 mcd_stop(struct mcd_softc *sc) 1520 { 1521 struct mcd_mbox mbx; 1522 int error; 1523 1524 if (sc->debug) 1525 printf("%s: mcd_stop: stopping play\n", device_xname(sc->sc_dev)); 1526 1527 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1528 mbx.cmd.length = 0; 1529 mbx.res.length = 0; 1530 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1531 return error; 1532 1533 sc->audio_status = CD_AS_PLAY_COMPLETED; 1534 return 0; 1535 } 1536 1537 int 1538 mcd_getqchan(struct mcd_softc *sc, union mcd_qchninfo *q, int qchn) 1539 { 1540 struct mcd_mbox mbx; 1541 int error; 1542 1543 if (qchn == CD_TRACK_INFO) { 1544 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1545 return error; 1546 } else { 1547 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1548 return error; 1549 } 1550 if (qchn == CD_MEDIA_CATALOG) { 1551 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1552 return error; 1553 } else { 1554 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1555 return error; 1556 } 1557 1558 mbx.cmd.opcode = MCD_CMDGETQCHN; 1559 mbx.cmd.length = 0; 1560 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1561 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1562 return error; 1563 1564 *q = mbx.res.data.qchninfo; 1565 return 0; 1566 } 1567 1568 int 1569 mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, struct cd_sub_channel_info *info) 1570 { 1571 int len = ch->data_len; 1572 union mcd_qchninfo q; 1573 daddr_t lba; 1574 int error; 1575 1576 if (sc->debug) 1577 printf("%s: subchan: af=%d df=%d\n", device_xname(sc->sc_dev), 1578 ch->address_format, ch->data_format); 1579 1580 if (len > sizeof(*info) || len < sizeof(info->header)) 1581 return EINVAL; 1582 if (ch->address_format != CD_MSF_FORMAT && 1583 ch->address_format != CD_LBA_FORMAT) 1584 return EINVAL; 1585 if (ch->data_format != CD_CURRENT_POSITION && 1586 ch->data_format != CD_MEDIA_CATALOG) 1587 return EINVAL; 1588 1589 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1590 return error; 1591 1592 info->header.audio_status = sc->audio_status; 1593 info->what.media_catalog.data_format = ch->data_format; 1594 1595 switch (ch->data_format) { 1596 case CD_MEDIA_CATALOG: 1597 info->what.media_catalog.mc_valid = 1; 1598 #if 0 1599 info->what.media_catalog.mc_number = 1600 #endif 1601 break; 1602 1603 case CD_CURRENT_POSITION: 1604 info->what.position.track_number = bcd2bin(q.current.trk_no); 1605 info->what.position.index_number = bcd2bin(q.current.idx_no); 1606 switch (ch->address_format) { 1607 case CD_MSF_FORMAT: 1608 info->what.position.reladdr.addr[0] = 0; 1609 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1610 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1611 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1612 info->what.position.absaddr.addr[0] = 0; 1613 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1614 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1615 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1616 break; 1617 case CD_LBA_FORMAT: 1618 lba = msf2hsg(q.current.relative_pos, 1); 1619 /* 1620 * Pre-gap has index number of 0, and decreasing MSF 1621 * address. Must be converted to negative LBA, per 1622 * SCSI spec. 1623 */ 1624 if (info->what.position.index_number == 0x00) 1625 lba = -lba; 1626 info->what.position.reladdr.addr[0] = lba >> 24; 1627 info->what.position.reladdr.addr[1] = lba >> 16; 1628 info->what.position.reladdr.addr[2] = lba >> 8; 1629 info->what.position.reladdr.addr[3] = lba; 1630 lba = msf2hsg(q.current.absolute_pos, 0); 1631 info->what.position.absaddr.addr[0] = lba >> 24; 1632 info->what.position.absaddr.addr[1] = lba >> 16; 1633 info->what.position.absaddr.addr[2] = lba >> 8; 1634 info->what.position.absaddr.addr[3] = lba; 1635 break; 1636 } 1637 break; 1638 } 1639 1640 return 0; 1641 } 1642 1643 int 1644 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *p) 1645 { 1646 struct mcd_mbox mbx; 1647 int a = p->start_track; 1648 int z = p->end_track; 1649 int error; 1650 1651 if (sc->debug) 1652 printf("%s: playtracks: from %d:%d to %d:%d\n", 1653 device_xname(sc->sc_dev), 1654 a, p->start_index, z, p->end_index); 1655 1656 if (a < bcd2bin(sc->volinfo.trk_low) || 1657 a > bcd2bin(sc->volinfo.trk_high) || 1658 a > z || 1659 z < bcd2bin(sc->volinfo.trk_low) || 1660 z > bcd2bin(sc->volinfo.trk_high)) 1661 return EINVAL; 1662 1663 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1664 return error; 1665 1666 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1667 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1668 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1669 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1670 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1671 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1672 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1673 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1674 sc->lastpb = mbx.cmd; 1675 mbx.res.length = 0; 1676 return mcd_send(sc, &mbx, 1); 1677 } 1678 1679 int 1680 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p) 1681 { 1682 struct mcd_mbox mbx; 1683 int error; 1684 1685 if (sc->debug) 1686 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1687 device_xname(sc->sc_dev), 1688 p->start_m, p->start_s, p->start_f, 1689 p->end_m, p->end_s, p->end_f); 1690 1691 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1692 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1693 return EINVAL; 1694 1695 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1696 return error; 1697 1698 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1699 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1700 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1701 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1702 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1703 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1704 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1705 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1706 sc->lastpb = mbx.cmd; 1707 mbx.res.length = 0; 1708 return mcd_send(sc, &mbx, 1); 1709 } 1710 1711 int 1712 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p) 1713 { 1714 struct mcd_mbox mbx; 1715 int error; 1716 1717 if (sc->debug) 1718 printf("%s: playblocks: blkno %d length %d\n", 1719 device_xname(sc->sc_dev), p->blk, p->len); 1720 1721 if (p->blk > sc->disksize || p->len > sc->disksize || 1722 (p->blk + p->len) > sc->disksize) 1723 return 0; 1724 1725 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1726 return error; 1727 1728 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1729 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1730 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1731 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1732 sc->lastpb = mbx.cmd; 1733 mbx.res.length = 0; 1734 return mcd_send(sc, &mbx, 1); 1735 } 1736 1737 int 1738 mcd_pause(struct mcd_softc *sc) 1739 { 1740 union mcd_qchninfo q; 1741 int error; 1742 1743 /* Verify current status. */ 1744 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1745 printf("%s: pause: attempted when not playing\n", 1746 device_xname(sc->sc_dev)); 1747 return EINVAL; 1748 } 1749 1750 /* Get the current position. */ 1751 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1752 return error; 1753 1754 /* Copy it into lastpb. */ 1755 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1756 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1757 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1758 1759 /* Stop playing. */ 1760 if ((error = mcd_stop(sc)) != 0) 1761 return error; 1762 1763 /* Set the proper status and exit. */ 1764 sc->audio_status = CD_AS_PLAY_PAUSED; 1765 return 0; 1766 } 1767 1768 int 1769 mcd_resume(struct mcd_softc *sc) 1770 { 1771 struct mcd_mbox mbx; 1772 int error; 1773 1774 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1775 return EINVAL; 1776 1777 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1778 return error; 1779 1780 mbx.cmd = sc->lastpb; 1781 mbx.res.length = 0; 1782 return mcd_send(sc, &mbx, 1); 1783 } 1784 1785 int 1786 mcd_eject(struct mcd_softc *sc) 1787 { 1788 struct mcd_mbox mbx; 1789 1790 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1791 mbx.cmd.length = 0; 1792 mbx.res.length = 0; 1793 return mcd_send(sc, &mbx, 0); 1794 } 1795 1796 int 1797 mcd_setlock(struct mcd_softc *sc, int mode) 1798 { 1799 struct mcd_mbox mbx; 1800 1801 mbx.cmd.opcode = MCD_CMDSETLOCK; 1802 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1803 mbx.cmd.data.lockmode.mode = mode; 1804 mbx.res.length = 0; 1805 return mcd_send(sc, &mbx, 1); 1806 } 1807
Indexes created Tue Sep 30 11:09:46 GMT 2025