1 /* $NetBSD: mcd.c,v 1.120 2020/02/24 12:20:29 rin 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 1.120 2020/02/24 12:20:29 rin 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 sc->sc_dev = self; 266 aprint_naive("\n"); 267 268 /* Map i/o space */ 269 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 270 aprint_error(": can't map i/o space\n"); 271 return; 272 } 273 274 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 275 276 sc->sc_iot = iot; 277 sc->sc_ioh = ioh; 278 279 sc->probe = 0; 280 sc->debug = 0; 281 282 if (!mcd_find(iot, ioh, sc)) { 283 aprint_error(": mcd_find failed\n"); 284 return; 285 } 286 287 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 288 callout_init(&sc->sc_pintr_ch, 0); 289 290 /* 291 * Initialize and attach the disk structure. 292 */ 293 disk_init(&sc->sc_dk, device_xname(sc->sc_dev), &mcddkdriver); 294 disk_attach(&sc->sc_dk); 295 296 aprint_normal(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 297 298 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 299 300 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 301 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 302 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 303 mbx.cmd.data.config.data1 = 0x01; 304 mbx.res.length = 0; 305 (void) mcd_send(sc, &mbx, 0); 306 307 mcd_soft_reset(sc); 308 309 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 310 IST_EDGE, IPL_BIO, mcdintr, sc); 311 } 312 313 int 314 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 315 { 316 int error, part; 317 struct mcd_softc *sc; 318 319 sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 320 if (sc == NULL) 321 return ENXIO; 322 323 mutex_enter(&sc->sc_lock); 324 325 if (sc->sc_dk.dk_openmask != 0) { 326 /* 327 * If any partition is open, but the disk has been invalidated, 328 * disallow further opens. 329 */ 330 if ((sc->flags & MCDF_LOADED) == 0) { 331 error = EIO; 332 goto bad3; 333 } 334 } else { 335 /* 336 * Lock the drawer. This will also notice any pending disk 337 * change or door open indicator and clear the MCDF_LOADED bit 338 * if necessary. 339 */ 340 (void) mcd_setlock(sc, MCD_LK_LOCK); 341 342 if ((sc->flags & MCDF_LOADED) == 0) { 343 /* Partially reset the state. */ 344 sc->lastmode = MCD_MD_UNKNOWN; 345 sc->lastupc = MCD_UPC_UNKNOWN; 346 347 sc->flags |= MCDF_LOADED; 348 349 /* Set the mode, causing the disk to spin up. */ 350 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 351 goto bad2; 352 353 /* Load the physical device parameters. */ 354 if (mcd_get_parms(sc) != 0) { 355 error = ENXIO; 356 goto bad2; 357 } 358 359 /* Read the table of contents. */ 360 if ((error = mcd_read_toc(sc)) != 0) 361 goto bad2; 362 363 /* Fabricate a disk label. */ 364 mcdgetdisklabel(sc); 365 } 366 } 367 368 part = MCDPART(dev); 369 370 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 371 sc->disksize, sc->blksize); 372 373 /* Check that the partition exists. */ 374 if (part != RAW_PART && 375 (part >= sc->sc_dk.dk_label->d_npartitions || 376 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 377 error = ENXIO; 378 goto bad; 379 } 380 381 /* Insure only one open at a time. */ 382 switch (fmt) { 383 case S_IFCHR: 384 sc->sc_dk.dk_copenmask |= (1 << part); 385 break; 386 case S_IFBLK: 387 sc->sc_dk.dk_bopenmask |= (1 << part); 388 break; 389 } 390 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 391 392 mutex_exit(&sc->sc_lock); 393 return 0; 394 395 bad2: 396 sc->flags &= ~MCDF_LOADED; 397 398 bad: 399 if (sc->sc_dk.dk_openmask == 0) { 400 #if 0 401 (void) mcd_setmode(sc, MCD_MD_SLEEP); 402 #endif 403 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 404 } 405 406 bad3: 407 mutex_exit(&sc->sc_lock); 408 return error; 409 } 410 411 int 412 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 413 { 414 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 415 int part = MCDPART(dev); 416 417 MCD_TRACE("close: partition=%d\n", part); 418 419 mutex_enter(&sc->sc_lock); 420 421 switch (fmt) { 422 case S_IFCHR: 423 sc->sc_dk.dk_copenmask &= ~(1 << part); 424 break; 425 case S_IFBLK: 426 sc->sc_dk.dk_bopenmask &= ~(1 << part); 427 break; 428 } 429 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 430 431 if (sc->sc_dk.dk_openmask == 0) { 432 /* XXXX Must wait for I/O to complete! */ 433 434 #if 0 435 (void) mcd_setmode(sc, MCD_MD_SLEEP); 436 #endif 437 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 438 } 439 440 mutex_exit(&sc->sc_lock); 441 return 0; 442 } 443 444 void 445 mcdstrategy(struct buf *bp) 446 { 447 struct mcd_softc *sc; 448 struct disklabel *lp; 449 daddr_t blkno; 450 int s; 451 452 sc = device_lookup_private(&mcd_cd, MCDUNIT(bp->b_dev)); 453 lp = sc->sc_dk.dk_label; 454 455 /* Test validity. */ 456 MCD_TRACE("strategy: buf=%p blkno=%d bcount=%d\n", bp, 457 (int) bp->b_blkno, bp->b_bcount); 458 if (bp->b_blkno < 0 || 459 (bp->b_bcount % sc->blksize) != 0) { 460 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 461 device_xname(sc->sc_dev), bp->b_blkno, bp->b_bcount); 462 bp->b_error = EINVAL; 463 goto done; 464 } 465 466 /* If device invalidated (e.g. media change, door open), error. */ 467 if ((sc->flags & MCDF_LOADED) == 0) { 468 MCD_TRACE("strategy: drive not valid%s", "\n"); 469 bp->b_error = EIO; 470 goto done; 471 } 472 473 /* No data to read. */ 474 if (bp->b_bcount == 0) 475 goto done; 476 477 /* 478 * Do bounds checking, adjust transfer. if error, process. 479 * If end of partition, just return. 480 */ 481 if (MCDPART(bp->b_dev) != RAW_PART && 482 bounds_check_with_label(&sc->sc_dk, bp, 483 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 484 goto done; 485 486 /* 487 * Now convert the block number to absolute and put it in 488 * terms of the device's logical block size. 489 */ 490 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 491 if (MCDPART(bp->b_dev) != RAW_PART) 492 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 493 494 bp->b_rawblkno = blkno; 495 496 /* Queue it. */ 497 s = splbio(); 498 bufq_put(sc->buf_queue, bp); 499 splx(s); 500 if (!sc->active) 501 mcdstart(sc); 502 return; 503 504 done: 505 bp->b_resid = bp->b_bcount; 506 biodone(bp); 507 } 508 509 void 510 mcdstart(struct mcd_softc *sc) 511 { 512 struct buf *bp; 513 int s; 514 515 loop: 516 s = splbio(); 517 518 if ((bp = bufq_get(sc->buf_queue)) == NULL) { 519 /* Nothing to do. */ 520 sc->active = 0; 521 splx(s); 522 return; 523 } 524 525 /* Block found to process. */ 526 MCD_TRACE("start: found block bp=%p\n", bp); 527 splx(s); 528 529 /* Changed media? */ 530 if ((sc->flags & MCDF_LOADED) == 0) { 531 MCD_TRACE("start: drive not valid%s", "\n"); 532 bp->b_error = EIO; 533 biodone(bp); 534 goto loop; 535 } 536 537 sc->active = 1; 538 539 /* Instrumentation. */ 540 s = splbio(); 541 disk_busy(&sc->sc_dk); 542 splx(s); 543 544 sc->mbx.retry = MCD_RDRETRIES; 545 sc->mbx.bp = bp; 546 sc->mbx.blkno = bp->b_rawblkno; 547 sc->mbx.nblk = bp->b_bcount / sc->blksize; 548 sc->mbx.sz = sc->blksize; 549 sc->mbx.skip = 0; 550 sc->mbx.state = MCD_S_BEGIN; 551 sc->mbx.mode = MCD_MD_COOKED; 552 553 s = splbio(); 554 (void) mcdintr(sc); 555 splx(s); 556 } 557 558 int 559 mcdread(dev_t dev, struct uio *uio, int flags) 560 { 561 562 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 563 } 564 565 int 566 mcdwrite(dev_t dev, struct uio *uio, int flags) 567 { 568 569 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 570 } 571 572 int 573 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 574 { 575 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 576 int error; 577 int part; 578 #ifdef __HAVE_OLD_DISKLABEL 579 struct disklabel newlabel; 580 #endif 581 582 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 583 584 if ((sc->flags & MCDF_LOADED) == 0) 585 return EIO; 586 587 error = disk_ioctl(&sc->sc_dk, dev, cmd, addr, flag, l); 588 if (error != EPASSTHROUGH) 589 return error; 590 591 part = MCDPART(dev); 592 switch (cmd) { 593 case DIOCWDINFO: 594 case DIOCSDINFO: 595 #ifdef __HAVE_OLD_DISKLABEL 596 case ODIOCWDINFO: 597 case ODIOCSDINFO: 598 #endif 599 { 600 struct disklabel *lp; 601 602 if ((flag & FWRITE) == 0) 603 return EBADF; 604 605 #ifdef __HAVE_OLD_DISKLABEL 606 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 607 memset(&newlabel, 0, sizeof newlabel); 608 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 609 lp = &newlabel; 610 } else 611 #endif 612 lp = addr; 613 614 mutex_enter(&sc->sc_lock); 615 sc->flags |= MCDF_LABELLING; 616 617 error = setdisklabel(sc->sc_dk.dk_label, 618 lp, /*sc->sc_dk.dk_openmask : */0, 619 sc->sc_dk.dk_cpulabel); 620 if (error == 0) { 621 } 622 623 sc->flags &= ~MCDF_LABELLING; 624 mutex_exit(&sc->sc_lock); 625 return error; 626 } 627 628 case DIOCWLABEL: 629 return EBADF; 630 631 case DIOCGDEFLABEL: 632 mcdgetdefaultlabel(sc, addr); 633 return 0; 634 635 #ifdef __HAVE_OLD_DISKLABEL 636 case ODIOCGDEFLABEL: 637 mcdgetdefaultlabel(sc, &newlabel); 638 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 639 return ENOTTY; 640 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 641 return 0; 642 #endif 643 644 case CDIOCPLAYTRACKS: 645 return mcd_playtracks(sc, addr); 646 case CDIOCPLAYMSF: 647 return mcd_playmsf(sc, addr); 648 case CDIOCPLAYBLOCKS: 649 return mcd_playblocks(sc, addr); 650 case CDIOCREADSUBCHANNEL: { 651 struct cd_sub_channel_info info; 652 error = mcd_read_subchannel(sc, addr, &info); 653 if (error != 0) { 654 struct ioc_read_subchannel *ch = addr; 655 error = copyout(&info, ch->data, ch->data_len); 656 } 657 return error; 658 } 659 case CDIOCREADSUBCHANNEL_BUF: 660 return mcd_read_subchannel(sc, addr, 661 &((struct ioc_read_subchannel_buf *)addr)->info); 662 case CDIOREADTOCHEADER: 663 return mcd_toc_header(sc, addr); 664 case CDIOREADTOCENTRYS: { 665 struct cd_toc_entry entries[MCD_MAXTOCS]; 666 struct ioc_read_toc_entry *te = addr; 667 int count; 668 if (te->data_len > sizeof entries) 669 return EINVAL; 670 error = mcd_toc_entries(sc, te, entries, &count); 671 if (error == 0) 672 /* Copy the data back. */ 673 error = copyout(entries, te->data, uimin(te->data_len, 674 count * sizeof(struct cd_toc_entry))); 675 return error; 676 } 677 case CDIOREADTOCENTRIES_BUF: { 678 struct ioc_read_toc_entry_buf *te = addr; 679 int count; 680 if (te->req.data_len > sizeof te->entry) 681 return EINVAL; 682 return mcd_toc_entries(sc, &te->req, te->entry, &count); 683 } 684 case CDIOCSETPATCH: 685 case CDIOCGETVOL: 686 case CDIOCSETVOL: 687 case CDIOCSETMONO: 688 case CDIOCSETSTEREO: 689 case CDIOCSETMUTE: 690 case CDIOCSETLEFT: 691 case CDIOCSETRIGHT: 692 return EINVAL; 693 case CDIOCRESUME: 694 return mcd_resume(sc); 695 case CDIOCPAUSE: 696 return mcd_pause(sc); 697 case CDIOCSTART: 698 return EINVAL; 699 case CDIOCSTOP: 700 return mcd_stop(sc); 701 case DIOCEJECT: 702 if (*(int *)addr == 0) { 703 /* 704 * Don't force eject: check that we are the only 705 * partition open. If so, unlock it. 706 */ 707 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 708 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 709 sc->sc_dk.dk_openmask) { 710 error = mcd_setlock(sc, MCD_LK_UNLOCK); 711 if (error) 712 return (error); 713 } else { 714 return (EBUSY); 715 } 716 } 717 /* FALLTHROUGH */ 718 case CDIOCEJECT: /* FALLTHROUGH */ 719 case ODIOCEJECT: 720 return mcd_eject(sc); 721 case CDIOCALLOW: 722 return mcd_setlock(sc, MCD_LK_UNLOCK); 723 case CDIOCPREVENT: 724 return mcd_setlock(sc, MCD_LK_LOCK); 725 case DIOCLOCK: 726 return mcd_setlock(sc, 727 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 728 case CDIOCSETDEBUG: 729 sc->debug = 1; 730 return 0; 731 case CDIOCCLRDEBUG: 732 sc->debug = 0; 733 return 0; 734 case CDIOCRESET: 735 return mcd_hard_reset(sc); 736 737 default: 738 return ENOTTY; 739 } 740 741 #ifdef DIAGNOSTIC 742 panic("mcdioctl: impossible"); 743 #endif 744 } 745 746 void 747 mcdgetdefaultlabel(struct mcd_softc *sc, struct disklabel *lp) 748 { 749 750 memset(lp, 0, sizeof(struct disklabel)); 751 752 lp->d_secsize = sc->blksize; 753 lp->d_ntracks = 1; 754 lp->d_nsectors = 100; 755 lp->d_ncylinders = (sc->disksize / 100) + 1; 756 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 757 758 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 759 lp->d_type = 0; /* XXX */ 760 strncpy(lp->d_packname, "fictitious", 16); 761 lp->d_secperunit = sc->disksize; 762 lp->d_rpm = 300; 763 lp->d_interleave = 1; 764 lp->d_flags = D_REMOVABLE; 765 766 lp->d_partitions[0].p_offset = 0; 767 lp->d_partitions[0].p_size = 768 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 769 lp->d_partitions[0].p_fstype = FS_ISO9660; 770 lp->d_partitions[RAW_PART].p_offset = 0; 771 lp->d_partitions[RAW_PART].p_size = 772 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 773 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 774 lp->d_npartitions = RAW_PART + 1; 775 776 lp->d_magic = DISKMAGIC; 777 lp->d_magic2 = DISKMAGIC; 778 lp->d_checksum = dkcksum(lp); 779 } 780 781 /* 782 * This could have been taken from scsi/cd.c, but it is not clear 783 * whether the scsi cd driver is linked in. 784 */ 785 void 786 mcdgetdisklabel(struct mcd_softc *sc) 787 { 788 struct disklabel *lp = sc->sc_dk.dk_label; 789 790 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 791 792 mcdgetdefaultlabel(sc, lp); 793 } 794 795 int 796 mcd_get_parms(struct mcd_softc *sc) 797 { 798 struct mcd_mbox mbx; 799 daddr_t size; 800 int error; 801 802 /* Send volume info command. */ 803 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 804 mbx.cmd.length = 0; 805 mbx.res.length = sizeof(mbx.res.data.volinfo); 806 if ((error = mcd_send(sc, &mbx, 1)) != 0) 807 return error; 808 809 if (mbx.res.data.volinfo.trk_low == 0x00 && 810 mbx.res.data.volinfo.trk_high == 0x00) 811 return EINVAL; 812 813 /* Volinfo is OK. */ 814 sc->volinfo = mbx.res.data.volinfo; 815 sc->blksize = MCD_BLKSIZE_COOKED; 816 size = msf2hsg(sc->volinfo.vol_msf, 0); 817 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 818 return 0; 819 } 820 821 int 822 mcdsize(dev_t dev) 823 { 824 825 /* CD-ROMs are read-only. */ 826 return -1; 827 } 828 829 int 830 mcddump(dev_t dev, daddr_t blkno, void *va, 831 size_t size) 832 { 833 834 /* Not implemented. */ 835 return ENXIO; 836 } 837 838 /* 839 * Find the board and fill in the softc. 840 */ 841 int 842 mcd_find(bus_space_tag_t iot, bus_space_handle_t ioh, struct mcd_softc *sc) 843 { 844 int i; 845 struct mcd_mbox mbx; 846 847 sc->sc_iot = iot; 848 sc->sc_ioh = ioh; 849 850 /* Send a reset. */ 851 bus_space_write_1(iot, ioh, MCD_RESET, 0); 852 delay(1000000); 853 /* Get any pending status and throw away. */ 854 for (i = 10; i; i--) 855 bus_space_read_1(iot, ioh, MCD_STATUS); 856 delay(1000); 857 858 /* Send get status command. */ 859 mbx.cmd.opcode = MCD_CMDGETSTAT; 860 mbx.cmd.length = 0; 861 mbx.res.length = 0; 862 if (mcd_send(sc, &mbx, 0) != 0) 863 return 0; 864 865 /* Get info about the drive. */ 866 mbx.cmd.opcode = MCD_CMDCONTINFO; 867 mbx.cmd.length = 0; 868 mbx.res.length = sizeof(mbx.res.data.continfo); 869 if (mcd_send(sc, &mbx, 0) != 0) 870 return 0; 871 872 /* 873 * The following is code which is not guaranteed to work for all 874 * drives, because the meaning of the expected 'M' is not clear 875 * (M_itsumi is an obvious assumption, but I don't trust that). 876 * Also, the original hack had a bogus condition that always 877 * returned true. 878 * 879 * Note: Which models support interrupts? >=LU005S? 880 */ 881 sc->readcmd = MCD_CMDREADSINGLESPEED; 882 switch (mbx.res.data.continfo.code) { 883 case 'M': 884 if (mbx.res.data.continfo.version <= 2) 885 sc->type = "LU002S"; 886 else if (mbx.res.data.continfo.version <= 5) 887 sc->type = "LU005S"; 888 else 889 sc->type = "LU006S"; 890 break; 891 case 'F': 892 sc->type = "FX001"; 893 break; 894 case 'D': 895 sc->type = "FX001D"; 896 sc->readcmd = MCD_CMDREADDOUBLESPEED; 897 break; 898 default: 899 /* 900 * mcd_send() says the response looked OK but the 901 * drive type is unknown. If mcd_promisc, match anyway. 902 */ 903 if (mcd_promisc != 0) 904 return 0; 905 906 #ifdef MCDDEBUG 907 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 908 device_xname(sc->sc_dev), 909 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 910 #endif 911 sc->type = 0; 912 break; 913 } 914 915 return 1; 916 917 } 918 919 int 920 mcdprobe(device_t parent, cfdata_t match, void *aux) 921 { 922 struct isa_attach_args *ia = aux; 923 struct mcd_softc sc; 924 bus_space_tag_t iot = ia->ia_iot; 925 bus_space_handle_t ioh; 926 int rv; 927 928 if (ia->ia_nio < 1) 929 return (0); 930 if (ia->ia_nirq < 1) 931 return (0); 932 933 if (ISA_DIRECT_CONFIG(ia)) 934 return (0); 935 936 /* Disallow wildcarded i/o address. */ 937 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 938 return (0); 939 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 940 return (0); 941 942 /* Map i/o space */ 943 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 944 return 0; 945 946 sc.debug = 0; 947 sc.probe = 1; 948 949 rv = mcd_find(iot, ioh, &sc); 950 951 bus_space_unmap(iot, ioh, MCD_NPORT); 952 953 if (rv) { 954 ia->ia_nio = 1; 955 ia->ia_io[0].ir_size = MCD_NPORT; 956 957 ia->ia_nirq = 1; 958 959 ia->ia_niomem = 0; 960 ia->ia_ndrq = 0; 961 } 962 963 return (rv); 964 } 965 966 int 967 mcd_getreply(struct mcd_softc *sc) 968 { 969 bus_space_tag_t iot = sc->sc_iot; 970 bus_space_handle_t ioh = sc->sc_ioh; 971 int i; 972 973 /* Wait until xfer port senses data ready. */ 974 for (i = DELAY_GETREPLY; i; i--) { 975 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 976 MCD_XF_STATUSUNAVAIL) == 0) 977 break; 978 delay(DELAY_GRANULARITY); 979 } 980 if (!i) 981 return -1; 982 983 /* Get the data. */ 984 return bus_space_read_1(iot, ioh, MCD_STATUS); 985 } 986 987 int 988 mcd_getstat(struct mcd_softc *sc) 989 { 990 struct mcd_mbox mbx; 991 992 mbx.cmd.opcode = MCD_CMDGETSTAT; 993 mbx.cmd.length = 0; 994 mbx.res.length = 0; 995 return mcd_send(sc, &mbx, 1); 996 } 997 998 int 999 mcd_getresult(struct mcd_softc *sc, struct mcd_result *res) 1000 { 1001 int i, x; 1002 1003 if (sc->debug) 1004 printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev), 1005 res->length); 1006 1007 if ((x = mcd_getreply(sc)) < 0) { 1008 if (sc->debug) 1009 printf(" timeout\n"); 1010 else if (!sc->probe) 1011 printf("%s: timeout in getresult\n", 1012 device_xname(sc->sc_dev)); 1013 return EIO; 1014 } 1015 if (sc->debug) 1016 printf(" %02x", (u_int)x); 1017 sc->status = x; 1018 mcd_setflags(sc); 1019 1020 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1021 return EINVAL; 1022 1023 for (i = 0; i < res->length; i++) { 1024 if ((x = mcd_getreply(sc)) < 0) { 1025 if (sc->debug) 1026 printf(" timeout\n"); 1027 else 1028 printf("%s: timeout in getresult\n", 1029 device_xname(sc->sc_dev)); 1030 return EIO; 1031 } 1032 if (sc->debug) 1033 printf(" %02x", (u_int)x); 1034 res->data.raw.data[i] = x; 1035 } 1036 1037 if (sc->debug) 1038 printf(" succeeded\n"); 1039 1040 #ifdef MCDDEBUG 1041 delay(10); 1042 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1043 MCD_XF_STATUSUNAVAIL) == 0) { 1044 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1045 printf("%s: got extra byte %02x during getstatus\n", 1046 device_xname(sc->sc_dev), (u_int)x); 1047 delay(10); 1048 } 1049 #endif 1050 1051 return 0; 1052 } 1053 1054 void 1055 mcd_setflags(struct mcd_softc *sc) 1056 { 1057 1058 /* Check flags. */ 1059 if ((sc->flags & MCDF_LOADED) != 0 && 1060 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1061 MCD_ST_DSKIN) { 1062 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1063 printf("%s: door open\n", device_xname(sc->sc_dev)); 1064 else if ((sc->status & MCD_ST_DSKIN) == 0) 1065 printf("%s: no disk present\n", device_xname(sc->sc_dev)); 1066 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1067 printf("%s: media change\n", device_xname(sc->sc_dev)); 1068 sc->flags &= ~MCDF_LOADED; 1069 } 1070 1071 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1072 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1073 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1074 sc->audio_status == CD_AS_AUDIO_INVALID) 1075 sc->audio_status = CD_AS_PLAY_COMPLETED; 1076 } 1077 1078 int 1079 mcd_send(struct mcd_softc *sc, struct mcd_mbox *mbx, int diskin) 1080 { 1081 int retry, i, error; 1082 bus_space_tag_t iot = sc->sc_iot; 1083 bus_space_handle_t ioh = sc->sc_ioh; 1084 1085 if (sc->debug) { 1086 printf("%s: mcd_send: %d %02x", device_xname(sc->sc_dev), 1087 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1088 for (i = 0; i < mbx->cmd.length; i++) 1089 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1090 printf("\n"); 1091 } 1092 1093 for (retry = MCD_RETRIES; retry; retry--) { 1094 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1095 for (i = 0; i < mbx->cmd.length; i++) 1096 bus_space_write_1(iot, ioh, MCD_COMMAND, 1097 mbx->cmd.data.raw.data[i]); 1098 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1099 break; 1100 if (error == EINVAL) 1101 return error; 1102 } 1103 if (!retry) 1104 return error; 1105 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1106 return EIO; 1107 1108 return 0; 1109 } 1110 1111 static int 1112 bcd2bin(bcd_t b) 1113 { 1114 1115 return (b >> 4) * 10 + (b & 15); 1116 } 1117 1118 static bcd_t 1119 bin2bcd(int b) 1120 { 1121 1122 return ((b / 10) << 4) | (b % 10); 1123 } 1124 1125 static void 1126 hsg2msf(int hsg, bcd_t *msf) 1127 { 1128 1129 hsg += 150; 1130 F_msf(msf) = bin2bcd(hsg % 75); 1131 hsg /= 75; 1132 S_msf(msf) = bin2bcd(hsg % 60); 1133 hsg /= 60; 1134 M_msf(msf) = bin2bcd(hsg); 1135 } 1136 1137 static daddr_t 1138 msf2hsg(bcd_t *msf, int relative) 1139 { 1140 daddr_t blkno; 1141 1142 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1143 bcd2bin(S_msf(msf)) * 75 + 1144 bcd2bin(F_msf(msf)); 1145 if (!relative) 1146 blkno -= 150; 1147 return blkno; 1148 } 1149 1150 void 1151 mcd_pseudointr(void *v) 1152 { 1153 struct mcd_softc *sc = v; 1154 int s; 1155 1156 s = splbio(); 1157 (void) mcdintr(sc); 1158 splx(s); 1159 } 1160 1161 /* 1162 * State machine to process read requests. 1163 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1164 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1165 * MCD_S_WAITREAD: wait for read ready, read data. 1166 */ 1167 int 1168 mcdintr(void *arg) 1169 { 1170 struct mcd_softc *sc = arg; 1171 struct mcd_mbx *mbx = &sc->mbx; 1172 struct buf *bp = mbx->bp; 1173 bus_space_tag_t iot = sc->sc_iot; 1174 bus_space_handle_t ioh = sc->sc_ioh; 1175 1176 int i; 1177 u_char x; 1178 bcd_t msf[3]; 1179 1180 switch (mbx->state) { 1181 case MCD_S_IDLE: 1182 return 0; 1183 1184 case MCD_S_BEGIN: 1185 tryagain: 1186 if (mbx->mode == sc->lastmode) 1187 goto firstblock; 1188 1189 sc->lastmode = MCD_MD_UNKNOWN; 1190 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1191 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1192 1193 mbx->count = RDELAY_WAITMODE; 1194 mbx->state = MCD_S_WAITMODE; 1195 1196 /* FALLTHROUGH */ 1197 case MCD_S_WAITMODE: 1198 callout_stop(&sc->sc_pintr_ch); 1199 for (i = 20; i; i--) { 1200 x = bus_space_read_1(iot, ioh, MCD_XFER); 1201 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1202 break; 1203 delay(50); 1204 } 1205 if (i == 0) 1206 goto hold; 1207 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1208 mcd_setflags(sc); 1209 if ((sc->flags & MCDF_LOADED) == 0) 1210 goto changed; 1211 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1212 RDELAY_WAITMODE - mbx->count); 1213 1214 sc->lastmode = mbx->mode; 1215 1216 firstblock: 1217 MCD_TRACE("doread: read blkno=%d for bp=%p\n", 1218 (int) mbx->blkno, bp); 1219 1220 /* Build parameter block. */ 1221 hsg2msf(mbx->blkno, msf); 1222 1223 /* Send the read command. */ 1224 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1225 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1226 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1227 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1228 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1229 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1230 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1231 1232 mbx->count = RDELAY_WAITREAD; 1233 mbx->state = MCD_S_WAITREAD; 1234 1235 /* FALLTHROUGH */ 1236 case MCD_S_WAITREAD: 1237 callout_stop(&sc->sc_pintr_ch); 1238 nextblock: 1239 loop: 1240 for (i = 20; i; i--) { 1241 x = bus_space_read_1(iot, ioh, MCD_XFER); 1242 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1243 goto gotblock; 1244 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1245 break; 1246 delay(50); 1247 } 1248 if (i == 0) 1249 goto hold; 1250 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1251 mcd_setflags(sc); 1252 if ((sc->flags & MCDF_LOADED) == 0) 1253 goto changed; 1254 #if 0 1255 printf("%s: got status byte %02x during read\n", 1256 device_xname(sc->sc_dev), (u_int)sc->status); 1257 #endif 1258 goto loop; 1259 1260 gotblock: 1261 MCD_TRACE("doread: got data delay=%d\n", 1262 RDELAY_WAITREAD - mbx->count); 1263 1264 /* Data is ready. */ 1265 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1266 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1267 (char *)bp->b_data + mbx->skip, mbx->sz); 1268 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1269 mbx->blkno += 1; 1270 mbx->skip += mbx->sz; 1271 if (--mbx->nblk > 0) 1272 goto nextblock; 1273 1274 mbx->state = MCD_S_IDLE; 1275 1276 /* Return buffer. */ 1277 bp->b_resid = 0; 1278 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1279 biodone(bp); 1280 1281 mcdstart(sc); 1282 return 1; 1283 1284 hold: 1285 if (mbx->count-- < 0) { 1286 printf("%s: timeout in state %d", 1287 device_xname(sc->sc_dev), mbx->state); 1288 goto readerr; 1289 } 1290 1291 #if 0 1292 printf("%s: sleep in state %d\n", device_xname(sc->sc_dev), 1293 mbx->state); 1294 #endif 1295 callout_reset(&sc->sc_pintr_ch, hz / 100, 1296 mcd_pseudointr, sc); 1297 return -1; 1298 } 1299 1300 readerr: 1301 if (mbx->retry-- > 0) { 1302 printf("; retrying\n"); 1303 goto tryagain; 1304 } else 1305 printf("; giving up\n"); 1306 1307 changed: 1308 /* Invalidate the buffer. */ 1309 bp->b_error = EIO; 1310 bp->b_resid = bp->b_bcount - mbx->skip; 1311 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1312 (bp->b_flags & B_READ)); 1313 biodone(bp); 1314 1315 mcdstart(sc); 1316 return -1; 1317 1318 #ifdef notyet 1319 printf("%s: unit timeout; resetting\n", device_xname(sc->sc_dev)); 1320 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1321 delay(300000); 1322 (void) mcd_getstat(sc, 1); 1323 (void) mcd_getstat(sc, 1); 1324 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1325 sc->debug = 1; /* preventive set debug mode */ 1326 #endif 1327 } 1328 1329 void 1330 mcd_soft_reset(struct mcd_softc *sc) 1331 { 1332 1333 sc->debug = 0; 1334 sc->flags = 0; 1335 sc->lastmode = MCD_MD_UNKNOWN; 1336 sc->lastupc = MCD_UPC_UNKNOWN; 1337 sc->audio_status = CD_AS_AUDIO_INVALID; 1338 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1339 } 1340 1341 int 1342 mcd_hard_reset(struct mcd_softc *sc) 1343 { 1344 struct mcd_mbox mbx; 1345 1346 mcd_soft_reset(sc); 1347 1348 mbx.cmd.opcode = MCD_CMDRESET; 1349 mbx.cmd.length = 0; 1350 mbx.res.length = 0; 1351 return mcd_send(sc, &mbx, 0); 1352 } 1353 1354 int 1355 mcd_setmode(struct mcd_softc *sc, int mode) 1356 { 1357 struct mcd_mbox mbx; 1358 int error; 1359 1360 if (sc->lastmode == mode) 1361 return 0; 1362 if (sc->debug) 1363 printf("%s: setting mode to %d\n", device_xname(sc->sc_dev), mode); 1364 sc->lastmode = MCD_MD_UNKNOWN; 1365 1366 mbx.cmd.opcode = MCD_CMDSETMODE; 1367 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1368 mbx.cmd.data.datamode.mode = mode; 1369 mbx.res.length = 0; 1370 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1371 return error; 1372 1373 sc->lastmode = mode; 1374 return 0; 1375 } 1376 1377 int 1378 mcd_setupc(struct mcd_softc *sc, int upc) 1379 { 1380 struct mcd_mbox mbx; 1381 int error; 1382 1383 if (sc->lastupc == upc) 1384 return 0; 1385 if (sc->debug) 1386 printf("%s: setting upc to %d\n", device_xname(sc->sc_dev), upc); 1387 sc->lastupc = MCD_UPC_UNKNOWN; 1388 1389 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1390 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1391 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1392 mbx.cmd.data.config.data1 = upc; 1393 mbx.res.length = 0; 1394 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1395 return error; 1396 1397 sc->lastupc = upc; 1398 return 0; 1399 } 1400 1401 int 1402 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1403 { 1404 1405 if (sc->debug) 1406 printf("%s: mcd_toc_header: reading toc header\n", 1407 device_xname(sc->sc_dev)); 1408 1409 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1410 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1411 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1412 1413 return 0; 1414 } 1415 1416 int 1417 mcd_read_toc(struct mcd_softc *sc) 1418 { 1419 struct ioc_toc_header th; 1420 union mcd_qchninfo q; 1421 int error, trk, idx, retry; 1422 1423 if ((error = mcd_toc_header(sc, &th)) != 0) 1424 return error; 1425 1426 if ((error = mcd_stop(sc)) != 0) 1427 return error; 1428 1429 if (sc->debug) 1430 printf("%s: read_toc: reading qchannel info\n", 1431 device_xname(sc->sc_dev)); 1432 1433 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1434 sc->toc[trk].toc.idx_no = 0x00; 1435 trk = th.ending_track - th.starting_track + 1; 1436 for (retry = 300; retry && trk > 0; retry--) { 1437 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1438 break; 1439 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1440 continue; 1441 idx = bcd2bin(q.toc.idx_no); 1442 if (idx < MCD_MAXTOCS && 1443 sc->toc[idx].toc.idx_no == 0x00) { 1444 sc->toc[idx] = q; 1445 trk--; 1446 } 1447 } 1448 1449 /* Inform the drive that we're finished so it turns off the light. */ 1450 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1451 return error; 1452 1453 if (trk != 0) 1454 return EINVAL; 1455 1456 /* Add a fake last+1 for mcd_playtracks(). */ 1457 idx = th.ending_track + 1; 1458 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1459 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1460 sc->toc[idx].toc.trk_no = 0x00; 1461 sc->toc[idx].toc.idx_no = 0xaa; 1462 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1463 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1464 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1465 1466 return 0; 1467 } 1468 1469 int 1470 mcd_toc_entries(struct mcd_softc *sc, struct ioc_read_toc_entry *te, 1471 struct cd_toc_entry *entries, int *count) 1472 { 1473 int len = te->data_len; 1474 struct ioc_toc_header header; 1475 u_char trk; 1476 daddr_t lba; 1477 int error, n; 1478 1479 if (len < sizeof(struct cd_toc_entry)) 1480 return EINVAL; 1481 if (te->address_format != CD_MSF_FORMAT && 1482 te->address_format != CD_LBA_FORMAT) 1483 return EINVAL; 1484 1485 /* Copy the TOC header. */ 1486 if ((error = mcd_toc_header(sc, &header)) != 0) 1487 return error; 1488 1489 /* Verify starting track. */ 1490 trk = te->starting_track; 1491 if (trk == 0x00) 1492 trk = header.starting_track; 1493 else if (trk == 0xaa) 1494 trk = header.ending_track + 1; 1495 else if (trk < header.starting_track || 1496 trk > header.ending_track + 1) 1497 return EINVAL; 1498 1499 /* Copy the TOC data. */ 1500 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1501 if (n * sizeof entries[0] > len) 1502 break; 1503 if (sc->toc[trk].toc.idx_no == 0x00) 1504 continue; 1505 entries[n].control = sc->toc[trk].toc.control; 1506 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1507 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1508 switch (te->address_format) { 1509 case CD_MSF_FORMAT: 1510 entries[n].addr.addr[0] = 0; 1511 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1512 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1513 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1514 break; 1515 case CD_LBA_FORMAT: 1516 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1517 entries[n].addr.addr[0] = lba >> 24; 1518 entries[n].addr.addr[1] = lba >> 16; 1519 entries[n].addr.addr[2] = lba >> 8; 1520 entries[n].addr.addr[3] = lba; 1521 break; 1522 } 1523 } 1524 1525 *count = n; 1526 return 0; 1527 } 1528 1529 int 1530 mcd_stop(struct mcd_softc *sc) 1531 { 1532 struct mcd_mbox mbx; 1533 int error; 1534 1535 if (sc->debug) 1536 printf("%s: mcd_stop: stopping play\n", device_xname(sc->sc_dev)); 1537 1538 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1539 mbx.cmd.length = 0; 1540 mbx.res.length = 0; 1541 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1542 return error; 1543 1544 sc->audio_status = CD_AS_PLAY_COMPLETED; 1545 return 0; 1546 } 1547 1548 int 1549 mcd_getqchan(struct mcd_softc *sc, union mcd_qchninfo *q, int qchn) 1550 { 1551 struct mcd_mbox mbx; 1552 int error; 1553 1554 if (qchn == CD_TRACK_INFO) { 1555 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1556 return error; 1557 } else { 1558 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1559 return error; 1560 } 1561 if (qchn == CD_MEDIA_CATALOG) { 1562 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1563 return error; 1564 } else { 1565 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1566 return error; 1567 } 1568 1569 mbx.cmd.opcode = MCD_CMDGETQCHN; 1570 mbx.cmd.length = 0; 1571 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1572 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1573 return error; 1574 1575 *q = mbx.res.data.qchninfo; 1576 return 0; 1577 } 1578 1579 int 1580 mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, 1581 struct cd_sub_channel_info *info) 1582 { 1583 int len = ch->data_len; 1584 union mcd_qchninfo q; 1585 daddr_t lba; 1586 int error; 1587 1588 if (sc->debug) 1589 printf("%s: subchan: af=%d df=%d\n", device_xname(sc->sc_dev), 1590 ch->address_format, ch->data_format); 1591 1592 if (len > sizeof(*info) || len < sizeof(info->header)) 1593 return EINVAL; 1594 if (ch->address_format != CD_MSF_FORMAT && 1595 ch->address_format != CD_LBA_FORMAT) 1596 return EINVAL; 1597 if (ch->data_format != CD_CURRENT_POSITION && 1598 ch->data_format != CD_MEDIA_CATALOG) 1599 return EINVAL; 1600 1601 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1602 return error; 1603 1604 info->header.audio_status = sc->audio_status; 1605 info->what.media_catalog.data_format = ch->data_format; 1606 1607 switch (ch->data_format) { 1608 case CD_MEDIA_CATALOG: 1609 info->what.media_catalog.mc_valid = 1; 1610 #if 0 1611 info->what.media_catalog.mc_number = 1612 #endif 1613 break; 1614 1615 case CD_CURRENT_POSITION: 1616 info->what.position.track_number = bcd2bin(q.current.trk_no); 1617 info->what.position.index_number = bcd2bin(q.current.idx_no); 1618 switch (ch->address_format) { 1619 case CD_MSF_FORMAT: 1620 info->what.position.reladdr.addr[0] = 0; 1621 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1622 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1623 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1624 info->what.position.absaddr.addr[0] = 0; 1625 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1626 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1627 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1628 break; 1629 case CD_LBA_FORMAT: 1630 lba = msf2hsg(q.current.relative_pos, 1); 1631 /* 1632 * Pre-gap has index number of 0, and decreasing MSF 1633 * address. Must be converted to negative LBA, per 1634 * SCSI spec. 1635 */ 1636 if (info->what.position.index_number == 0x00) 1637 lba = -lba; 1638 info->what.position.reladdr.addr[0] = lba >> 24; 1639 info->what.position.reladdr.addr[1] = lba >> 16; 1640 info->what.position.reladdr.addr[2] = lba >> 8; 1641 info->what.position.reladdr.addr[3] = lba; 1642 lba = msf2hsg(q.current.absolute_pos, 0); 1643 info->what.position.absaddr.addr[0] = lba >> 24; 1644 info->what.position.absaddr.addr[1] = lba >> 16; 1645 info->what.position.absaddr.addr[2] = lba >> 8; 1646 info->what.position.absaddr.addr[3] = lba; 1647 break; 1648 } 1649 break; 1650 } 1651 1652 return 0; 1653 } 1654 1655 int 1656 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *p) 1657 { 1658 struct mcd_mbox mbx; 1659 int a = p->start_track; 1660 int z = p->end_track; 1661 int error; 1662 1663 if (sc->debug) 1664 printf("%s: playtracks: from %d:%d to %d:%d\n", 1665 device_xname(sc->sc_dev), 1666 a, p->start_index, z, p->end_index); 1667 1668 if (a < bcd2bin(sc->volinfo.trk_low) || 1669 a > bcd2bin(sc->volinfo.trk_high) || 1670 a > z || 1671 z < bcd2bin(sc->volinfo.trk_low) || 1672 z > bcd2bin(sc->volinfo.trk_high)) 1673 return EINVAL; 1674 1675 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1676 return error; 1677 1678 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1679 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1680 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1681 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1682 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1683 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1684 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1685 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1686 sc->lastpb = mbx.cmd; 1687 mbx.res.length = 0; 1688 return mcd_send(sc, &mbx, 1); 1689 } 1690 1691 int 1692 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p) 1693 { 1694 struct mcd_mbox mbx; 1695 int error; 1696 1697 if (sc->debug) 1698 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1699 device_xname(sc->sc_dev), 1700 p->start_m, p->start_s, p->start_f, 1701 p->end_m, p->end_s, p->end_f); 1702 1703 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1704 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1705 return EINVAL; 1706 1707 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1708 return error; 1709 1710 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1711 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1712 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1713 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1714 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1715 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1716 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1717 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1718 sc->lastpb = mbx.cmd; 1719 mbx.res.length = 0; 1720 return mcd_send(sc, &mbx, 1); 1721 } 1722 1723 int 1724 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p) 1725 { 1726 struct mcd_mbox mbx; 1727 int error; 1728 1729 if (sc->debug) 1730 printf("%s: playblocks: blkno %d length %d\n", 1731 device_xname(sc->sc_dev), p->blk, p->len); 1732 1733 if (p->blk > sc->disksize || p->len > sc->disksize || 1734 (p->blk + p->len) > sc->disksize) 1735 return 0; 1736 1737 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1738 return error; 1739 1740 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1741 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1742 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1743 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1744 sc->lastpb = mbx.cmd; 1745 mbx.res.length = 0; 1746 return mcd_send(sc, &mbx, 1); 1747 } 1748 1749 int 1750 mcd_pause(struct mcd_softc *sc) 1751 { 1752 union mcd_qchninfo q; 1753 int error; 1754 1755 /* Verify current status. */ 1756 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1757 printf("%s: pause: attempted when not playing\n", 1758 device_xname(sc->sc_dev)); 1759 return EINVAL; 1760 } 1761 1762 /* Get the current position. */ 1763 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1764 return error; 1765 1766 /* Copy it into lastpb. */ 1767 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1768 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1769 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1770 1771 /* Stop playing. */ 1772 if ((error = mcd_stop(sc)) != 0) 1773 return error; 1774 1775 /* Set the proper status and exit. */ 1776 sc->audio_status = CD_AS_PLAY_PAUSED; 1777 return 0; 1778 } 1779 1780 int 1781 mcd_resume(struct mcd_softc *sc) 1782 { 1783 struct mcd_mbox mbx; 1784 int error; 1785 1786 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1787 return EINVAL; 1788 1789 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1790 return error; 1791 1792 mbx.cmd = sc->lastpb; 1793 mbx.res.length = 0; 1794 return mcd_send(sc, &mbx, 1); 1795 } 1796 1797 int 1798 mcd_eject(struct mcd_softc *sc) 1799 { 1800 struct mcd_mbox mbx; 1801 1802 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1803 mbx.cmd.length = 0; 1804 mbx.res.length = 0; 1805 return mcd_send(sc, &mbx, 0); 1806 } 1807 1808 int 1809 mcd_setlock(struct mcd_softc *sc, int mode) 1810 { 1811 struct mcd_mbox mbx; 1812 1813 mbx.cmd.opcode = MCD_CMDSETLOCK; 1814 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1815 mbx.cmd.data.lockmode.mode = mode; 1816 mbx.res.length = 0; 1817 return mcd_send(sc, &mbx, 1); 1818 } 1819