mcd.c revision 1.115
1 /* $NetBSD: mcd.c,v 1.115 2015/04/26 15:15:20 mlelstv 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 1.115 2015/04/26 15:15:20 mlelstv 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 = { 243 .d_strategy = mcdstrategy 244 }; 245 246 #define MCD_RETRIES 3 247 #define MCD_RDRETRIES 3 248 249 /* several delays */ 250 #define RDELAY_WAITMODE 300 251 #define RDELAY_WAITREAD 800 252 253 #define DELAY_GRANULARITY 25 /* 25us */ 254 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 255 256 void 257 mcdattach(device_t parent, device_t self, void *aux) 258 { 259 struct mcd_softc *sc = device_private(self); 260 struct isa_attach_args *ia = aux; 261 bus_space_tag_t iot = ia->ia_iot; 262 bus_space_handle_t ioh; 263 struct mcd_mbox mbx; 264 265 /* Map i/o space */ 266 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 267 printf(": can't map i/o space\n"); 268 return; 269 } 270 271 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 272 273 sc->sc_iot = iot; 274 sc->sc_ioh = ioh; 275 276 sc->probe = 0; 277 sc->debug = 0; 278 279 if (!mcd_find(iot, ioh, sc)) { 280 printf(": mcd_find failed\n"); 281 return; 282 } 283 284 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 285 callout_init(&sc->sc_pintr_ch, 0); 286 287 /* 288 * Initialize and attach the disk structure. 289 */ 290 disk_init(&sc->sc_dk, device_xname(sc->sc_dev), &mcddkdriver); 291 disk_attach(&sc->sc_dk); 292 293 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 294 295 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 296 297 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 298 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 299 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 300 mbx.cmd.data.config.data1 = 0x01; 301 mbx.res.length = 0; 302 (void) mcd_send(sc, &mbx, 0); 303 304 mcd_soft_reset(sc); 305 306 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 307 IST_EDGE, IPL_BIO, mcdintr, sc); 308 } 309 310 int 311 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 312 { 313 int error, part; 314 struct mcd_softc *sc; 315 316 sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 317 if (sc == NULL) 318 return ENXIO; 319 320 mutex_enter(&sc->sc_lock); 321 322 if (sc->sc_dk.dk_openmask != 0) { 323 /* 324 * If any partition is open, but the disk has been invalidated, 325 * disallow further opens. 326 */ 327 if ((sc->flags & MCDF_LOADED) == 0) { 328 error = EIO; 329 goto bad3; 330 } 331 } else { 332 /* 333 * Lock the drawer. This will also notice any pending disk 334 * change or door open indicator and clear the MCDF_LOADED bit 335 * if necessary. 336 */ 337 (void) mcd_setlock(sc, MCD_LK_LOCK); 338 339 if ((sc->flags & MCDF_LOADED) == 0) { 340 /* Partially reset the state. */ 341 sc->lastmode = MCD_MD_UNKNOWN; 342 sc->lastupc = MCD_UPC_UNKNOWN; 343 344 sc->flags |= MCDF_LOADED; 345 346 /* Set the mode, causing the disk to spin up. */ 347 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 348 goto bad2; 349 350 /* Load the physical device parameters. */ 351 if (mcd_get_parms(sc) != 0) { 352 error = ENXIO; 353 goto bad2; 354 } 355 356 /* Read the table of contents. */ 357 if ((error = mcd_read_toc(sc)) != 0) 358 goto bad2; 359 360 /* Fabricate a disk label. */ 361 mcdgetdisklabel(sc); 362 } 363 } 364 365 part = MCDPART(dev); 366 367 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 368 sc->disksize, sc->blksize); 369 370 /* Check that the partition exists. */ 371 if (part != RAW_PART && 372 (part >= sc->sc_dk.dk_label->d_npartitions || 373 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 374 error = ENXIO; 375 goto bad; 376 } 377 378 /* Insure only one open at a time. */ 379 switch (fmt) { 380 case S_IFCHR: 381 sc->sc_dk.dk_copenmask |= (1 << part); 382 break; 383 case S_IFBLK: 384 sc->sc_dk.dk_bopenmask |= (1 << part); 385 break; 386 } 387 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 388 389 mutex_exit(&sc->sc_lock); 390 return 0; 391 392 bad2: 393 sc->flags &= ~MCDF_LOADED; 394 395 bad: 396 if (sc->sc_dk.dk_openmask == 0) { 397 #if 0 398 (void) mcd_setmode(sc, MCD_MD_SLEEP); 399 #endif 400 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 401 } 402 403 bad3: 404 mutex_exit(&sc->sc_lock); 405 return error; 406 } 407 408 int 409 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 410 { 411 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 412 int part = MCDPART(dev); 413 414 MCD_TRACE("close: partition=%d\n", part); 415 416 mutex_enter(&sc->sc_lock); 417 418 switch (fmt) { 419 case S_IFCHR: 420 sc->sc_dk.dk_copenmask &= ~(1 << part); 421 break; 422 case S_IFBLK: 423 sc->sc_dk.dk_bopenmask &= ~(1 << part); 424 break; 425 } 426 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 427 428 if (sc->sc_dk.dk_openmask == 0) { 429 /* XXXX Must wait for I/O to complete! */ 430 431 #if 0 432 (void) mcd_setmode(sc, MCD_MD_SLEEP); 433 #endif 434 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 435 } 436 437 mutex_exit(&sc->sc_lock); 438 return 0; 439 } 440 441 void 442 mcdstrategy(struct buf *bp) 443 { 444 struct mcd_softc *sc; 445 struct disklabel *lp; 446 daddr_t blkno; 447 int s; 448 449 sc = device_lookup_private(&mcd_cd, MCDUNIT(bp->b_dev)); 450 lp = sc->sc_dk.dk_label; 451 452 /* Test validity. */ 453 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 454 (int) bp->b_blkno, bp->b_bcount); 455 if (bp->b_blkno < 0 || 456 (bp->b_bcount % sc->blksize) != 0) { 457 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 458 device_xname(sc->sc_dev), bp->b_blkno, bp->b_bcount); 459 bp->b_error = EINVAL; 460 goto done; 461 } 462 463 /* If device invalidated (e.g. media change, door open), error. */ 464 if ((sc->flags & MCDF_LOADED) == 0) { 465 MCD_TRACE("strategy: drive not valid%s", "\n"); 466 bp->b_error = EIO; 467 goto done; 468 } 469 470 /* No data to read. */ 471 if (bp->b_bcount == 0) 472 goto done; 473 474 /* 475 * Do bounds checking, adjust transfer. if error, process. 476 * If end of partition, just return. 477 */ 478 if (MCDPART(bp->b_dev) != RAW_PART && 479 bounds_check_with_label(&sc->sc_dk, bp, 480 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 481 goto done; 482 483 /* 484 * Now convert the block number to absolute and put it in 485 * terms of the device's logical block size. 486 */ 487 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 488 if (MCDPART(bp->b_dev) != RAW_PART) 489 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 490 491 bp->b_rawblkno = blkno; 492 493 /* Queue it. */ 494 s = splbio(); 495 bufq_put(sc->buf_queue, bp); 496 splx(s); 497 if (!sc->active) 498 mcdstart(sc); 499 return; 500 501 done: 502 bp->b_resid = bp->b_bcount; 503 biodone(bp); 504 } 505 506 void 507 mcdstart(struct mcd_softc *sc) 508 { 509 struct buf *bp; 510 int s; 511 512 loop: 513 s = splbio(); 514 515 if ((bp = bufq_get(sc->buf_queue)) == NULL) { 516 /* Nothing to do. */ 517 sc->active = 0; 518 splx(s); 519 return; 520 } 521 522 /* Block found to process. */ 523 MCD_TRACE("start: found block bp=0x%p\n", bp); 524 splx(s); 525 526 /* Changed media? */ 527 if ((sc->flags & MCDF_LOADED) == 0) { 528 MCD_TRACE("start: drive not valid%s", "\n"); 529 bp->b_error = EIO; 530 biodone(bp); 531 goto loop; 532 } 533 534 sc->active = 1; 535 536 /* Instrumentation. */ 537 s = splbio(); 538 disk_busy(&sc->sc_dk); 539 splx(s); 540 541 sc->mbx.retry = MCD_RDRETRIES; 542 sc->mbx.bp = bp; 543 sc->mbx.blkno = bp->b_rawblkno; 544 sc->mbx.nblk = bp->b_bcount / sc->blksize; 545 sc->mbx.sz = sc->blksize; 546 sc->mbx.skip = 0; 547 sc->mbx.state = MCD_S_BEGIN; 548 sc->mbx.mode = MCD_MD_COOKED; 549 550 s = splbio(); 551 (void) mcdintr(sc); 552 splx(s); 553 } 554 555 int 556 mcdread(dev_t dev, struct uio *uio, int flags) 557 { 558 559 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 560 } 561 562 int 563 mcdwrite(dev_t dev, struct uio *uio, int flags) 564 { 565 566 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 567 } 568 569 int 570 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 571 { 572 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 573 int error; 574 int part; 575 #ifdef __HAVE_OLD_DISKLABEL 576 struct disklabel newlabel; 577 #endif 578 579 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 580 581 if ((sc->flags & MCDF_LOADED) == 0) 582 return EIO; 583 584 error = disk_ioctl(&sc->sc_dk, dev, cmd, addr, flag, l); 585 if (error != EPASSTHROUGH) 586 return error; 587 588 part = MCDPART(dev); 589 switch (cmd) { 590 case DIOCWDINFO: 591 case DIOCSDINFO: 592 #ifdef __HAVE_OLD_DISKLABEL 593 case ODIOCWDINFO: 594 case ODIOCSDINFO: 595 #endif 596 { 597 struct disklabel *lp; 598 599 if ((flag & FWRITE) == 0) 600 return EBADF; 601 602 #ifdef __HAVE_OLD_DISKLABEL 603 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 604 memset(&newlabel, 0, sizeof newlabel); 605 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 606 lp = &newlabel; 607 } else 608 #endif 609 lp = addr; 610 611 mutex_enter(&sc->sc_lock); 612 sc->flags |= MCDF_LABELLING; 613 614 error = setdisklabel(sc->sc_dk.dk_label, 615 lp, /*sc->sc_dk.dk_openmask : */0, 616 sc->sc_dk.dk_cpulabel); 617 if (error == 0) { 618 } 619 620 sc->flags &= ~MCDF_LABELLING; 621 mutex_exit(&sc->sc_lock); 622 return error; 623 } 624 625 case DIOCWLABEL: 626 return EBADF; 627 628 case DIOCGDEFLABEL: 629 mcdgetdefaultlabel(sc, addr); 630 return 0; 631 632 #ifdef __HAVE_OLD_DISKLABEL 633 case ODIOCGDEFLABEL: 634 mcdgetdefaultlabel(sc, &newlabel); 635 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 636 return ENOTTY; 637 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 638 return 0; 639 #endif 640 641 case CDIOCPLAYTRACKS: 642 return mcd_playtracks(sc, addr); 643 case CDIOCPLAYMSF: 644 return mcd_playmsf(sc, addr); 645 case CDIOCPLAYBLOCKS: 646 return mcd_playblocks(sc, addr); 647 case CDIOCREADSUBCHANNEL: { 648 struct cd_sub_channel_info info; 649 error = mcd_read_subchannel(sc, addr, &info); 650 if (error != 0) { 651 struct ioc_read_subchannel *ch = addr; 652 error = copyout(&info, ch->data, ch->data_len); 653 } 654 return error; 655 } 656 case CDIOCREADSUBCHANNEL_BUF: 657 return mcd_read_subchannel(sc, addr, 658 &((struct ioc_read_subchannel_buf *)addr)->info); 659 case CDIOREADTOCHEADER: 660 return mcd_toc_header(sc, addr); 661 case CDIOREADTOCENTRYS: { 662 struct cd_toc_entry entries[MCD_MAXTOCS]; 663 struct ioc_read_toc_entry *te = addr; 664 int count; 665 if (te->data_len > sizeof entries) 666 return EINVAL; 667 error = mcd_toc_entries(sc, te, entries, &count); 668 if (error == 0) 669 /* Copy the data back. */ 670 error = copyout(entries, te->data, min(te->data_len, 671 count * sizeof(struct cd_toc_entry))); 672 return error; 673 } 674 case CDIOREADTOCENTRIES_BUF: { 675 struct ioc_read_toc_entry_buf *te = addr; 676 int count; 677 if (te->req.data_len > sizeof te->entry) 678 return EINVAL; 679 return mcd_toc_entries(sc, &te->req, te->entry, &count); 680 } 681 case CDIOCSETPATCH: 682 case CDIOCGETVOL: 683 case CDIOCSETVOL: 684 case CDIOCSETMONO: 685 case CDIOCSETSTEREO: 686 case CDIOCSETMUTE: 687 case CDIOCSETLEFT: 688 case CDIOCSETRIGHT: 689 return EINVAL; 690 case CDIOCRESUME: 691 return mcd_resume(sc); 692 case CDIOCPAUSE: 693 return mcd_pause(sc); 694 case CDIOCSTART: 695 return EINVAL; 696 case CDIOCSTOP: 697 return mcd_stop(sc); 698 case DIOCEJECT: 699 if (*(int *)addr == 0) { 700 /* 701 * Don't force eject: check that we are the only 702 * partition open. If so, unlock it. 703 */ 704 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 705 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 706 sc->sc_dk.dk_openmask) { 707 error = mcd_setlock(sc, MCD_LK_UNLOCK); 708 if (error) 709 return (error); 710 } else { 711 return (EBUSY); 712 } 713 } 714 /* FALLTHROUGH */ 715 case CDIOCEJECT: /* FALLTHROUGH */ 716 case ODIOCEJECT: 717 return mcd_eject(sc); 718 case CDIOCALLOW: 719 return mcd_setlock(sc, MCD_LK_UNLOCK); 720 case CDIOCPREVENT: 721 return mcd_setlock(sc, MCD_LK_LOCK); 722 case DIOCLOCK: 723 return mcd_setlock(sc, 724 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 725 case CDIOCSETDEBUG: 726 sc->debug = 1; 727 return 0; 728 case CDIOCCLRDEBUG: 729 sc->debug = 0; 730 return 0; 731 case CDIOCRESET: 732 return mcd_hard_reset(sc); 733 734 default: 735 return ENOTTY; 736 } 737 738 #ifdef DIAGNOSTIC 739 panic("mcdioctl: impossible"); 740 #endif 741 } 742 743 void 744 mcdgetdefaultlabel(struct mcd_softc *sc, struct disklabel *lp) 745 { 746 747 memset(lp, 0, sizeof(struct disklabel)); 748 749 lp->d_secsize = sc->blksize; 750 lp->d_ntracks = 1; 751 lp->d_nsectors = 100; 752 lp->d_ncylinders = (sc->disksize / 100) + 1; 753 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 754 755 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 756 lp->d_type = 0; /* XXX */ 757 strncpy(lp->d_packname, "fictitious", 16); 758 lp->d_secperunit = sc->disksize; 759 lp->d_rpm = 300; 760 lp->d_interleave = 1; 761 lp->d_flags = D_REMOVABLE; 762 763 lp->d_partitions[0].p_offset = 0; 764 lp->d_partitions[0].p_size = 765 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 766 lp->d_partitions[0].p_fstype = FS_ISO9660; 767 lp->d_partitions[RAW_PART].p_offset = 0; 768 lp->d_partitions[RAW_PART].p_size = 769 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 770 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 771 lp->d_npartitions = RAW_PART + 1; 772 773 lp->d_magic = DISKMAGIC; 774 lp->d_magic2 = DISKMAGIC; 775 lp->d_checksum = dkcksum(lp); 776 } 777 778 /* 779 * This could have been taken from scsi/cd.c, but it is not clear 780 * whether the scsi cd driver is linked in. 781 */ 782 void 783 mcdgetdisklabel(struct mcd_softc *sc) 784 { 785 struct disklabel *lp = sc->sc_dk.dk_label; 786 787 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 788 789 mcdgetdefaultlabel(sc, lp); 790 } 791 792 int 793 mcd_get_parms(struct mcd_softc *sc) 794 { 795 struct mcd_mbox mbx; 796 daddr_t size; 797 int error; 798 799 /* Send volume info command. */ 800 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 801 mbx.cmd.length = 0; 802 mbx.res.length = sizeof(mbx.res.data.volinfo); 803 if ((error = mcd_send(sc, &mbx, 1)) != 0) 804 return error; 805 806 if (mbx.res.data.volinfo.trk_low == 0x00 && 807 mbx.res.data.volinfo.trk_high == 0x00) 808 return EINVAL; 809 810 /* Volinfo is OK. */ 811 sc->volinfo = mbx.res.data.volinfo; 812 sc->blksize = MCD_BLKSIZE_COOKED; 813 size = msf2hsg(sc->volinfo.vol_msf, 0); 814 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 815 return 0; 816 } 817 818 int 819 mcdsize(dev_t dev) 820 { 821 822 /* CD-ROMs are read-only. */ 823 return -1; 824 } 825 826 int 827 mcddump(dev_t dev, daddr_t blkno, void *va, 828 size_t size) 829 { 830 831 /* Not implemented. */ 832 return ENXIO; 833 } 834 835 /* 836 * Find the board and fill in the softc. 837 */ 838 int 839 mcd_find(bus_space_tag_t iot, bus_space_handle_t ioh, struct mcd_softc *sc) 840 { 841 int i; 842 struct mcd_mbox mbx; 843 844 sc->sc_iot = iot; 845 sc->sc_ioh = ioh; 846 847 /* Send a reset. */ 848 bus_space_write_1(iot, ioh, MCD_RESET, 0); 849 delay(1000000); 850 /* Get any pending status and throw away. */ 851 for (i = 10; i; i--) 852 bus_space_read_1(iot, ioh, MCD_STATUS); 853 delay(1000); 854 855 /* Send get status command. */ 856 mbx.cmd.opcode = MCD_CMDGETSTAT; 857 mbx.cmd.length = 0; 858 mbx.res.length = 0; 859 if (mcd_send(sc, &mbx, 0) != 0) 860 return 0; 861 862 /* Get info about the drive. */ 863 mbx.cmd.opcode = MCD_CMDCONTINFO; 864 mbx.cmd.length = 0; 865 mbx.res.length = sizeof(mbx.res.data.continfo); 866 if (mcd_send(sc, &mbx, 0) != 0) 867 return 0; 868 869 /* 870 * The following is code which is not guaranteed to work for all 871 * drives, because the meaning of the expected 'M' is not clear 872 * (M_itsumi is an obvious assumption, but I don't trust that). 873 * Also, the original hack had a bogus condition that always 874 * returned true. 875 * 876 * Note: Which models support interrupts? >=LU005S? 877 */ 878 sc->readcmd = MCD_CMDREADSINGLESPEED; 879 switch (mbx.res.data.continfo.code) { 880 case 'M': 881 if (mbx.res.data.continfo.version <= 2) 882 sc->type = "LU002S"; 883 else if (mbx.res.data.continfo.version <= 5) 884 sc->type = "LU005S"; 885 else 886 sc->type = "LU006S"; 887 break; 888 case 'F': 889 sc->type = "FX001"; 890 break; 891 case 'D': 892 sc->type = "FX001D"; 893 sc->readcmd = MCD_CMDREADDOUBLESPEED; 894 break; 895 default: 896 /* 897 * mcd_send() says the response looked OK but the 898 * drive type is unknown. If mcd_promisc, match anyway. 899 */ 900 if (mcd_promisc != 0) 901 return 0; 902 903 #ifdef MCDDEBUG 904 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 905 device_xname(sc->sc_dev), 906 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 907 #endif 908 sc->type = 0; 909 break; 910 } 911 912 return 1; 913 914 } 915 916 int 917 mcdprobe(device_t parent, cfdata_t match, void *aux) 918 { 919 struct isa_attach_args *ia = aux; 920 struct mcd_softc sc; 921 bus_space_tag_t iot = ia->ia_iot; 922 bus_space_handle_t ioh; 923 int rv; 924 925 if (ia->ia_nio < 1) 926 return (0); 927 if (ia->ia_nirq < 1) 928 return (0); 929 930 if (ISA_DIRECT_CONFIG(ia)) 931 return (0); 932 933 /* Disallow wildcarded i/o address. */ 934 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 935 return (0); 936 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 937 return (0); 938 939 /* Map i/o space */ 940 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 941 return 0; 942 943 sc.debug = 0; 944 sc.probe = 1; 945 946 rv = mcd_find(iot, ioh, &sc); 947 948 bus_space_unmap(iot, ioh, MCD_NPORT); 949 950 if (rv) { 951 ia->ia_nio = 1; 952 ia->ia_io[0].ir_size = MCD_NPORT; 953 954 ia->ia_nirq = 1; 955 956 ia->ia_niomem = 0; 957 ia->ia_ndrq = 0; 958 } 959 960 return (rv); 961 } 962 963 int 964 mcd_getreply(struct mcd_softc *sc) 965 { 966 bus_space_tag_t iot = sc->sc_iot; 967 bus_space_handle_t ioh = sc->sc_ioh; 968 int i; 969 970 /* Wait until xfer port senses data ready. */ 971 for (i = DELAY_GETREPLY; i; i--) { 972 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 973 MCD_XF_STATUSUNAVAIL) == 0) 974 break; 975 delay(DELAY_GRANULARITY); 976 } 977 if (!i) 978 return -1; 979 980 /* Get the data. */ 981 return bus_space_read_1(iot, ioh, MCD_STATUS); 982 } 983 984 int 985 mcd_getstat(struct mcd_softc *sc) 986 { 987 struct mcd_mbox mbx; 988 989 mbx.cmd.opcode = MCD_CMDGETSTAT; 990 mbx.cmd.length = 0; 991 mbx.res.length = 0; 992 return mcd_send(sc, &mbx, 1); 993 } 994 995 int 996 mcd_getresult(struct mcd_softc *sc, struct mcd_result *res) 997 { 998 int i, x; 999 1000 if (sc->debug) 1001 printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev), 1002 res->length); 1003 1004 if ((x = mcd_getreply(sc)) < 0) { 1005 if (sc->debug) 1006 printf(" timeout\n"); 1007 else if (!sc->probe) 1008 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1009 return EIO; 1010 } 1011 if (sc->debug) 1012 printf(" %02x", (u_int)x); 1013 sc->status = x; 1014 mcd_setflags(sc); 1015 1016 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1017 return EINVAL; 1018 1019 for (i = 0; i < res->length; i++) { 1020 if ((x = mcd_getreply(sc)) < 0) { 1021 if (sc->debug) 1022 printf(" timeout\n"); 1023 else 1024 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1025 return EIO; 1026 } 1027 if (sc->debug) 1028 printf(" %02x", (u_int)x); 1029 res->data.raw.data[i] = x; 1030 } 1031 1032 if (sc->debug) 1033 printf(" succeeded\n"); 1034 1035 #ifdef MCDDEBUG 1036 delay(10); 1037 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1038 MCD_XF_STATUSUNAVAIL) == 0) { 1039 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1040 printf("%s: got extra byte %02x during getstatus\n", 1041 device_xname(sc->sc_dev), (u_int)x); 1042 delay(10); 1043 } 1044 #endif 1045 1046 return 0; 1047 } 1048 1049 void 1050 mcd_setflags(struct mcd_softc *sc) 1051 { 1052 1053 /* Check flags. */ 1054 if ((sc->flags & MCDF_LOADED) != 0 && 1055 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1056 MCD_ST_DSKIN) { 1057 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1058 printf("%s: door open\n", device_xname(sc->sc_dev)); 1059 else if ((sc->status & MCD_ST_DSKIN) == 0) 1060 printf("%s: no disk present\n", device_xname(sc->sc_dev)); 1061 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1062 printf("%s: media change\n", device_xname(sc->sc_dev)); 1063 sc->flags &= ~MCDF_LOADED; 1064 } 1065 1066 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1067 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1068 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1069 sc->audio_status == CD_AS_AUDIO_INVALID) 1070 sc->audio_status = CD_AS_PLAY_COMPLETED; 1071 } 1072 1073 int 1074 mcd_send(struct mcd_softc *sc, struct mcd_mbox *mbx, int diskin) 1075 { 1076 int retry, i, error; 1077 bus_space_tag_t iot = sc->sc_iot; 1078 bus_space_handle_t ioh = sc->sc_ioh; 1079 1080 if (sc->debug) { 1081 printf("%s: mcd_send: %d %02x", device_xname(sc->sc_dev), 1082 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1083 for (i = 0; i < mbx->cmd.length; i++) 1084 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1085 printf("\n"); 1086 } 1087 1088 for (retry = MCD_RETRIES; retry; retry--) { 1089 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1090 for (i = 0; i < mbx->cmd.length; i++) 1091 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1092 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1093 break; 1094 if (error == EINVAL) 1095 return error; 1096 } 1097 if (!retry) 1098 return error; 1099 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1100 return EIO; 1101 1102 return 0; 1103 } 1104 1105 static int 1106 bcd2bin(bcd_t b) 1107 { 1108 1109 return (b >> 4) * 10 + (b & 15); 1110 } 1111 1112 static bcd_t 1113 bin2bcd(int b) 1114 { 1115 1116 return ((b / 10) << 4) | (b % 10); 1117 } 1118 1119 static void 1120 hsg2msf(int hsg, bcd_t *msf) 1121 { 1122 1123 hsg += 150; 1124 F_msf(msf) = bin2bcd(hsg % 75); 1125 hsg /= 75; 1126 S_msf(msf) = bin2bcd(hsg % 60); 1127 hsg /= 60; 1128 M_msf(msf) = bin2bcd(hsg); 1129 } 1130 1131 static daddr_t 1132 msf2hsg(bcd_t *msf, int relative) 1133 { 1134 daddr_t blkno; 1135 1136 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1137 bcd2bin(S_msf(msf)) * 75 + 1138 bcd2bin(F_msf(msf)); 1139 if (!relative) 1140 blkno -= 150; 1141 return blkno; 1142 } 1143 1144 void 1145 mcd_pseudointr(void *v) 1146 { 1147 struct mcd_softc *sc = v; 1148 int s; 1149 1150 s = splbio(); 1151 (void) mcdintr(sc); 1152 splx(s); 1153 } 1154 1155 /* 1156 * State machine to process read requests. 1157 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1158 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1159 * MCD_S_WAITREAD: wait for read ready, read data. 1160 */ 1161 int 1162 mcdintr(void *arg) 1163 { 1164 struct mcd_softc *sc = arg; 1165 struct mcd_mbx *mbx = &sc->mbx; 1166 struct buf *bp = mbx->bp; 1167 bus_space_tag_t iot = sc->sc_iot; 1168 bus_space_handle_t ioh = sc->sc_ioh; 1169 1170 int i; 1171 u_char x; 1172 bcd_t msf[3]; 1173 1174 switch (mbx->state) { 1175 case MCD_S_IDLE: 1176 return 0; 1177 1178 case MCD_S_BEGIN: 1179 tryagain: 1180 if (mbx->mode == sc->lastmode) 1181 goto firstblock; 1182 1183 sc->lastmode = MCD_MD_UNKNOWN; 1184 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1185 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1186 1187 mbx->count = RDELAY_WAITMODE; 1188 mbx->state = MCD_S_WAITMODE; 1189 1190 case MCD_S_WAITMODE: 1191 callout_stop(&sc->sc_pintr_ch); 1192 for (i = 20; i; i--) { 1193 x = bus_space_read_1(iot, ioh, MCD_XFER); 1194 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1195 break; 1196 delay(50); 1197 } 1198 if (i == 0) 1199 goto hold; 1200 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1201 mcd_setflags(sc); 1202 if ((sc->flags & MCDF_LOADED) == 0) 1203 goto changed; 1204 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1205 RDELAY_WAITMODE - mbx->count); 1206 1207 sc->lastmode = mbx->mode; 1208 1209 firstblock: 1210 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1211 (int) mbx->blkno, bp); 1212 1213 /* Build parameter block. */ 1214 hsg2msf(mbx->blkno, msf); 1215 1216 /* Send the read command. */ 1217 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1218 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1219 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1220 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1221 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1222 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1223 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1224 1225 mbx->count = RDELAY_WAITREAD; 1226 mbx->state = MCD_S_WAITREAD; 1227 1228 case MCD_S_WAITREAD: 1229 callout_stop(&sc->sc_pintr_ch); 1230 nextblock: 1231 loop: 1232 for (i = 20; i; i--) { 1233 x = bus_space_read_1(iot, ioh, MCD_XFER); 1234 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1235 goto gotblock; 1236 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1237 break; 1238 delay(50); 1239 } 1240 if (i == 0) 1241 goto hold; 1242 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1243 mcd_setflags(sc); 1244 if ((sc->flags & MCDF_LOADED) == 0) 1245 goto changed; 1246 #if 0 1247 printf("%s: got status byte %02x during read\n", 1248 device_xname(sc->sc_dev), (u_int)sc->status); 1249 #endif 1250 goto loop; 1251 1252 gotblock: 1253 MCD_TRACE("doread: got data delay=%d\n", 1254 RDELAY_WAITREAD - mbx->count); 1255 1256 /* Data is ready. */ 1257 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1258 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1259 (char *)bp->b_data + mbx->skip, mbx->sz); 1260 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1261 mbx->blkno += 1; 1262 mbx->skip += mbx->sz; 1263 if (--mbx->nblk > 0) 1264 goto nextblock; 1265 1266 mbx->state = MCD_S_IDLE; 1267 1268 /* Return buffer. */ 1269 bp->b_resid = 0; 1270 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1271 biodone(bp); 1272 1273 mcdstart(sc); 1274 return 1; 1275 1276 hold: 1277 if (mbx->count-- < 0) { 1278 printf("%s: timeout in state %d", 1279 device_xname(sc->sc_dev), mbx->state); 1280 goto readerr; 1281 } 1282 1283 #if 0 1284 printf("%s: sleep in state %d\n", device_xname(sc->sc_dev), 1285 mbx->state); 1286 #endif 1287 callout_reset(&sc->sc_pintr_ch, hz / 100, 1288 mcd_pseudointr, sc); 1289 return -1; 1290 } 1291 1292 readerr: 1293 if (mbx->retry-- > 0) { 1294 printf("; retrying\n"); 1295 goto tryagain; 1296 } else 1297 printf("; giving up\n"); 1298 1299 changed: 1300 /* Invalidate the buffer. */ 1301 bp->b_error = EIO; 1302 bp->b_resid = bp->b_bcount - mbx->skip; 1303 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1304 (bp->b_flags & B_READ)); 1305 biodone(bp); 1306 1307 mcdstart(sc); 1308 return -1; 1309 1310 #ifdef notyet 1311 printf("%s: unit timeout; resetting\n", device_xname(sc->sc_dev)); 1312 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1313 delay(300000); 1314 (void) mcd_getstat(sc, 1); 1315 (void) mcd_getstat(sc, 1); 1316 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1317 sc->debug = 1; /* preventive set debug mode */ 1318 #endif 1319 } 1320 1321 void 1322 mcd_soft_reset(struct mcd_softc *sc) 1323 { 1324 1325 sc->debug = 0; 1326 sc->flags = 0; 1327 sc->lastmode = MCD_MD_UNKNOWN; 1328 sc->lastupc = MCD_UPC_UNKNOWN; 1329 sc->audio_status = CD_AS_AUDIO_INVALID; 1330 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1331 } 1332 1333 int 1334 mcd_hard_reset(struct mcd_softc *sc) 1335 { 1336 struct mcd_mbox mbx; 1337 1338 mcd_soft_reset(sc); 1339 1340 mbx.cmd.opcode = MCD_CMDRESET; 1341 mbx.cmd.length = 0; 1342 mbx.res.length = 0; 1343 return mcd_send(sc, &mbx, 0); 1344 } 1345 1346 int 1347 mcd_setmode(struct mcd_softc *sc, int mode) 1348 { 1349 struct mcd_mbox mbx; 1350 int error; 1351 1352 if (sc->lastmode == mode) 1353 return 0; 1354 if (sc->debug) 1355 printf("%s: setting mode to %d\n", device_xname(sc->sc_dev), mode); 1356 sc->lastmode = MCD_MD_UNKNOWN; 1357 1358 mbx.cmd.opcode = MCD_CMDSETMODE; 1359 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1360 mbx.cmd.data.datamode.mode = mode; 1361 mbx.res.length = 0; 1362 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1363 return error; 1364 1365 sc->lastmode = mode; 1366 return 0; 1367 } 1368 1369 int 1370 mcd_setupc(struct mcd_softc *sc, int upc) 1371 { 1372 struct mcd_mbox mbx; 1373 int error; 1374 1375 if (sc->lastupc == upc) 1376 return 0; 1377 if (sc->debug) 1378 printf("%s: setting upc to %d\n", device_xname(sc->sc_dev), upc); 1379 sc->lastupc = MCD_UPC_UNKNOWN; 1380 1381 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1382 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1383 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1384 mbx.cmd.data.config.data1 = upc; 1385 mbx.res.length = 0; 1386 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1387 return error; 1388 1389 sc->lastupc = upc; 1390 return 0; 1391 } 1392 1393 int 1394 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1395 { 1396 1397 if (sc->debug) 1398 printf("%s: mcd_toc_header: reading toc header\n", 1399 device_xname(sc->sc_dev)); 1400 1401 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1402 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1403 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1404 1405 return 0; 1406 } 1407 1408 int 1409 mcd_read_toc(struct mcd_softc *sc) 1410 { 1411 struct ioc_toc_header th; 1412 union mcd_qchninfo q; 1413 int error, trk, idx, retry; 1414 1415 if ((error = mcd_toc_header(sc, &th)) != 0) 1416 return error; 1417 1418 if ((error = mcd_stop(sc)) != 0) 1419 return error; 1420 1421 if (sc->debug) 1422 printf("%s: read_toc: reading qchannel info\n", 1423 device_xname(sc->sc_dev)); 1424 1425 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1426 sc->toc[trk].toc.idx_no = 0x00; 1427 trk = th.ending_track - th.starting_track + 1; 1428 for (retry = 300; retry && trk > 0; retry--) { 1429 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1430 break; 1431 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1432 continue; 1433 idx = bcd2bin(q.toc.idx_no); 1434 if (idx < MCD_MAXTOCS && 1435 sc->toc[idx].toc.idx_no == 0x00) { 1436 sc->toc[idx] = q; 1437 trk--; 1438 } 1439 } 1440 1441 /* Inform the drive that we're finished so it turns off the light. */ 1442 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1443 return error; 1444 1445 if (trk != 0) 1446 return EINVAL; 1447 1448 /* Add a fake last+1 for mcd_playtracks(). */ 1449 idx = th.ending_track + 1; 1450 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1451 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1452 sc->toc[idx].toc.trk_no = 0x00; 1453 sc->toc[idx].toc.idx_no = 0xaa; 1454 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1455 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1456 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1457 1458 return 0; 1459 } 1460 1461 int 1462 mcd_toc_entries(struct mcd_softc *sc, struct ioc_read_toc_entry *te, struct cd_toc_entry *entries, int *count) 1463 { 1464 int len = te->data_len; 1465 struct ioc_toc_header header; 1466 u_char trk; 1467 daddr_t lba; 1468 int error, n; 1469 1470 if (len < sizeof(struct cd_toc_entry)) 1471 return EINVAL; 1472 if (te->address_format != CD_MSF_FORMAT && 1473 te->address_format != CD_LBA_FORMAT) 1474 return EINVAL; 1475 1476 /* Copy the TOC header. */ 1477 if ((error = mcd_toc_header(sc, &header)) != 0) 1478 return error; 1479 1480 /* Verify starting track. */ 1481 trk = te->starting_track; 1482 if (trk == 0x00) 1483 trk = header.starting_track; 1484 else if (trk == 0xaa) 1485 trk = header.ending_track + 1; 1486 else if (trk < header.starting_track || 1487 trk > header.ending_track + 1) 1488 return EINVAL; 1489 1490 /* Copy the TOC data. */ 1491 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1492 if (n * sizeof entries[0] > len) 1493 break; 1494 if (sc->toc[trk].toc.idx_no == 0x00) 1495 continue; 1496 entries[n].control = sc->toc[trk].toc.control; 1497 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1498 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1499 switch (te->address_format) { 1500 case CD_MSF_FORMAT: 1501 entries[n].addr.addr[0] = 0; 1502 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1503 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1504 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1505 break; 1506 case CD_LBA_FORMAT: 1507 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1508 entries[n].addr.addr[0] = lba >> 24; 1509 entries[n].addr.addr[1] = lba >> 16; 1510 entries[n].addr.addr[2] = lba >> 8; 1511 entries[n].addr.addr[3] = lba; 1512 break; 1513 } 1514 } 1515 1516 *count = n; 1517 return 0; 1518 } 1519 1520 int 1521 mcd_stop(struct mcd_softc *sc) 1522 { 1523 struct mcd_mbox mbx; 1524 int error; 1525 1526 if (sc->debug) 1527 printf("%s: mcd_stop: stopping play\n", device_xname(sc->sc_dev)); 1528 1529 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1530 mbx.cmd.length = 0; 1531 mbx.res.length = 0; 1532 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1533 return error; 1534 1535 sc->audio_status = CD_AS_PLAY_COMPLETED; 1536 return 0; 1537 } 1538 1539 int 1540 mcd_getqchan(struct mcd_softc *sc, union mcd_qchninfo *q, int qchn) 1541 { 1542 struct mcd_mbox mbx; 1543 int error; 1544 1545 if (qchn == CD_TRACK_INFO) { 1546 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1547 return error; 1548 } else { 1549 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1550 return error; 1551 } 1552 if (qchn == CD_MEDIA_CATALOG) { 1553 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1554 return error; 1555 } else { 1556 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1557 return error; 1558 } 1559 1560 mbx.cmd.opcode = MCD_CMDGETQCHN; 1561 mbx.cmd.length = 0; 1562 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1563 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1564 return error; 1565 1566 *q = mbx.res.data.qchninfo; 1567 return 0; 1568 } 1569 1570 int 1571 mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, struct cd_sub_channel_info *info) 1572 { 1573 int len = ch->data_len; 1574 union mcd_qchninfo q; 1575 daddr_t lba; 1576 int error; 1577 1578 if (sc->debug) 1579 printf("%s: subchan: af=%d df=%d\n", device_xname(sc->sc_dev), 1580 ch->address_format, ch->data_format); 1581 1582 if (len > sizeof(*info) || len < sizeof(info->header)) 1583 return EINVAL; 1584 if (ch->address_format != CD_MSF_FORMAT && 1585 ch->address_format != CD_LBA_FORMAT) 1586 return EINVAL; 1587 if (ch->data_format != CD_CURRENT_POSITION && 1588 ch->data_format != CD_MEDIA_CATALOG) 1589 return EINVAL; 1590 1591 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1592 return error; 1593 1594 info->header.audio_status = sc->audio_status; 1595 info->what.media_catalog.data_format = ch->data_format; 1596 1597 switch (ch->data_format) { 1598 case CD_MEDIA_CATALOG: 1599 info->what.media_catalog.mc_valid = 1; 1600 #if 0 1601 info->what.media_catalog.mc_number = 1602 #endif 1603 break; 1604 1605 case CD_CURRENT_POSITION: 1606 info->what.position.track_number = bcd2bin(q.current.trk_no); 1607 info->what.position.index_number = bcd2bin(q.current.idx_no); 1608 switch (ch->address_format) { 1609 case CD_MSF_FORMAT: 1610 info->what.position.reladdr.addr[0] = 0; 1611 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1612 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1613 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1614 info->what.position.absaddr.addr[0] = 0; 1615 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1616 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1617 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1618 break; 1619 case CD_LBA_FORMAT: 1620 lba = msf2hsg(q.current.relative_pos, 1); 1621 /* 1622 * Pre-gap has index number of 0, and decreasing MSF 1623 * address. Must be converted to negative LBA, per 1624 * SCSI spec. 1625 */ 1626 if (info->what.position.index_number == 0x00) 1627 lba = -lba; 1628 info->what.position.reladdr.addr[0] = lba >> 24; 1629 info->what.position.reladdr.addr[1] = lba >> 16; 1630 info->what.position.reladdr.addr[2] = lba >> 8; 1631 info->what.position.reladdr.addr[3] = lba; 1632 lba = msf2hsg(q.current.absolute_pos, 0); 1633 info->what.position.absaddr.addr[0] = lba >> 24; 1634 info->what.position.absaddr.addr[1] = lba >> 16; 1635 info->what.position.absaddr.addr[2] = lba >> 8; 1636 info->what.position.absaddr.addr[3] = lba; 1637 break; 1638 } 1639 break; 1640 } 1641 1642 return 0; 1643 } 1644 1645 int 1646 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *p) 1647 { 1648 struct mcd_mbox mbx; 1649 int a = p->start_track; 1650 int z = p->end_track; 1651 int error; 1652 1653 if (sc->debug) 1654 printf("%s: playtracks: from %d:%d to %d:%d\n", 1655 device_xname(sc->sc_dev), 1656 a, p->start_index, z, p->end_index); 1657 1658 if (a < bcd2bin(sc->volinfo.trk_low) || 1659 a > bcd2bin(sc->volinfo.trk_high) || 1660 a > z || 1661 z < bcd2bin(sc->volinfo.trk_low) || 1662 z > bcd2bin(sc->volinfo.trk_high)) 1663 return EINVAL; 1664 1665 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1666 return error; 1667 1668 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1669 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1670 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1671 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1672 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1673 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1674 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1675 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1676 sc->lastpb = mbx.cmd; 1677 mbx.res.length = 0; 1678 return mcd_send(sc, &mbx, 1); 1679 } 1680 1681 int 1682 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p) 1683 { 1684 struct mcd_mbox mbx; 1685 int error; 1686 1687 if (sc->debug) 1688 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1689 device_xname(sc->sc_dev), 1690 p->start_m, p->start_s, p->start_f, 1691 p->end_m, p->end_s, p->end_f); 1692 1693 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1694 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1695 return EINVAL; 1696 1697 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1698 return error; 1699 1700 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1701 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1702 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1703 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1704 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1705 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1706 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1707 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1708 sc->lastpb = mbx.cmd; 1709 mbx.res.length = 0; 1710 return mcd_send(sc, &mbx, 1); 1711 } 1712 1713 int 1714 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p) 1715 { 1716 struct mcd_mbox mbx; 1717 int error; 1718 1719 if (sc->debug) 1720 printf("%s: playblocks: blkno %d length %d\n", 1721 device_xname(sc->sc_dev), p->blk, p->len); 1722 1723 if (p->blk > sc->disksize || p->len > sc->disksize || 1724 (p->blk + p->len) > sc->disksize) 1725 return 0; 1726 1727 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1728 return error; 1729 1730 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1731 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1732 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1733 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1734 sc->lastpb = mbx.cmd; 1735 mbx.res.length = 0; 1736 return mcd_send(sc, &mbx, 1); 1737 } 1738 1739 int 1740 mcd_pause(struct mcd_softc *sc) 1741 { 1742 union mcd_qchninfo q; 1743 int error; 1744 1745 /* Verify current status. */ 1746 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1747 printf("%s: pause: attempted when not playing\n", 1748 device_xname(sc->sc_dev)); 1749 return EINVAL; 1750 } 1751 1752 /* Get the current position. */ 1753 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1754 return error; 1755 1756 /* Copy it into lastpb. */ 1757 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1758 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1759 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1760 1761 /* Stop playing. */ 1762 if ((error = mcd_stop(sc)) != 0) 1763 return error; 1764 1765 /* Set the proper status and exit. */ 1766 sc->audio_status = CD_AS_PLAY_PAUSED; 1767 return 0; 1768 } 1769 1770 int 1771 mcd_resume(struct mcd_softc *sc) 1772 { 1773 struct mcd_mbox mbx; 1774 int error; 1775 1776 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1777 return EINVAL; 1778 1779 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1780 return error; 1781 1782 mbx.cmd = sc->lastpb; 1783 mbx.res.length = 0; 1784 return mcd_send(sc, &mbx, 1); 1785 } 1786 1787 int 1788 mcd_eject(struct mcd_softc *sc) 1789 { 1790 struct mcd_mbox mbx; 1791 1792 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1793 mbx.cmd.length = 0; 1794 mbx.res.length = 0; 1795 return mcd_send(sc, &mbx, 0); 1796 } 1797 1798 int 1799 mcd_setlock(struct mcd_softc *sc, int mode) 1800 { 1801 struct mcd_mbox mbx; 1802 1803 mbx.cmd.opcode = MCD_CMDSETLOCK; 1804 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1805 mbx.cmd.data.lockmode.mode = mode; 1806 mbx.res.length = 0; 1807 return mcd_send(sc, &mbx, 1); 1808 } 1809
Indexes created Tue Sep 30 11:09:46 GMT 2025