mcd.c revision 1.111
1 /* $NetBSD: mcd.c,v 1.111 2014/03/16 05:20:28 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * Copyright 1993 by Holger Veit (data part) 21 * Copyright 1993 by Brian Moore (audio part) 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This software was developed by Holger Veit and Brian Moore 35 * for use with "386BSD" and similar operating systems. 36 * "Similar operating systems" includes mainly non-profit oriented 37 * systems for research and education, including but not restricted to 38 * "NetBSD", "FreeBSD", "Mach" (by CMU). 39 * 4. Neither the name of the developer(s) nor the name "386BSD" 40 * may be used to endorse or promote products derived from this 41 * software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/ 57 58 #include <sys/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: mcd.c,v 1.111 2014/03/16 05:20:28 dholland Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/callout.h> 64 #include <sys/kernel.h> 65 #include <sys/proc.h> 66 #include <sys/conf.h> 67 #include <sys/file.h> 68 #include <sys/buf.h> 69 #include <sys/bufq.h> 70 #include <sys/stat.h> 71 #include <sys/uio.h> 72 #include <sys/ioctl.h> 73 #include <sys/cdio.h> 74 #include <sys/errno.h> 75 #include <sys/disklabel.h> 76 #include <sys/device.h> 77 #include <sys/disk.h> 78 #include <sys/mutex.h> 79 #include <sys/cpu.h> 80 #include <sys/intr.h> 81 #include <sys/bus.h> 82 83 #include <dev/isa/isavar.h> 84 #include <dev/isa/mcdreg.h> 85 86 #ifndef MCDDEBUG 87 #define MCD_TRACE(fmt,...) 88 #else 89 #define MCD_TRACE(fmt,...) {if (sc->debug) {printf("%s: st=%02x: ", device_xname(sc->sc_dev), sc->status); printf(fmt,__VA_ARGS__);}} 90 #endif 91 92 #define MCDPART(dev) DISKPART(dev) 93 #define MCDUNIT(dev) DISKUNIT(dev) 94 95 /* toc */ 96 #define MCD_MAXTOCS 104 /* from the Linux driver */ 97 98 /* control promiscuous match */ 99 #include "opt_mcd_promisc.h" 100 101 #ifdef MCD_PROMISC 102 int mcd_promisc = 1; 103 #else 104 int mcd_promisc = 0; 105 #endif 106 107 struct mcd_mbx { 108 int retry, count; 109 struct buf *bp; 110 daddr_t blkno; 111 int nblk; 112 int sz; 113 u_long skip; 114 int state; 115 #define MCD_S_IDLE 0 116 #define MCD_S_BEGIN 1 117 #define MCD_S_WAITMODE 2 118 #define MCD_S_WAITREAD 3 119 int mode; 120 }; 121 122 struct mcd_softc { 123 device_t sc_dev; 124 struct disk sc_dk; 125 kmutex_t sc_lock; 126 void *sc_ih; 127 128 callout_t sc_pintr_ch; 129 130 bus_space_tag_t sc_iot; 131 bus_space_handle_t sc_ioh; 132 133 int irq, drq; 134 135 const char *type; 136 int flags; 137 #define MCDF_WLABEL 0x04 /* label is writable */ 138 #define MCDF_LABELLING 0x08 /* writing label */ 139 #define MCDF_LOADED 0x10 /* parameters loaded */ 140 short status; 141 short audio_status; 142 int blksize; 143 u_long disksize; 144 struct mcd_volinfo volinfo; 145 union mcd_qchninfo toc[MCD_MAXTOCS]; 146 struct mcd_command lastpb; 147 struct mcd_mbx mbx; 148 int lastmode; 149 #define MCD_MD_UNKNOWN -1 150 int lastupc; 151 #define MCD_UPC_UNKNOWN -1 152 struct bufq_state *buf_queue; 153 int active; 154 u_char readcmd; 155 u_char debug; 156 u_char probe; 157 }; 158 159 static int bcd2bin(bcd_t); 160 static bcd_t bin2bcd(int); 161 static void hsg2msf(int, bcd_t *); 162 static daddr_t msf2hsg(bcd_t *, int); 163 164 int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *); 165 int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *); 166 int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *); 167 int mcd_stop(struct mcd_softc *); 168 int mcd_eject(struct mcd_softc *); 169 int mcd_read_subchannel(struct mcd_softc *, struct ioc_read_subchannel *, 170 struct cd_sub_channel_info *); 171 int mcd_pause(struct mcd_softc *); 172 int mcd_resume(struct mcd_softc *); 173 int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *); 174 int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *, 175 struct cd_toc_entry *, int *); 176 177 int mcd_getreply(struct mcd_softc *); 178 int mcd_getstat(struct mcd_softc *); 179 int mcd_getresult(struct mcd_softc *, struct mcd_result *); 180 void mcd_setflags(struct mcd_softc *); 181 int mcd_get(struct mcd_softc *, char *, int); 182 int mcd_send(struct mcd_softc *, struct mcd_mbox *, int); 183 int mcdintr(void *); 184 void mcd_soft_reset(struct mcd_softc *); 185 int mcd_hard_reset(struct mcd_softc *); 186 int mcd_setmode(struct mcd_softc *, int); 187 int mcd_setupc(struct mcd_softc *, int); 188 int mcd_read_toc(struct mcd_softc *); 189 int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int); 190 int mcd_setlock(struct mcd_softc *, int); 191 192 int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *); 193 int mcdprobe(device_t, cfdata_t, void *); 194 void mcdattach(device_t, device_t, void *); 195 196 CFATTACH_DECL_NEW(mcd, sizeof(struct mcd_softc), 197 mcdprobe, mcdattach, NULL, NULL); 198 199 extern struct cfdriver mcd_cd; 200 201 dev_type_open(mcdopen); 202 dev_type_close(mcdclose); 203 dev_type_read(mcdread); 204 dev_type_write(mcdwrite); 205 dev_type_ioctl(mcdioctl); 206 dev_type_strategy(mcdstrategy); 207 dev_type_dump(mcddump); 208 dev_type_size(mcdsize); 209 210 const struct bdevsw mcd_bdevsw = { 211 .d_open = mcdopen, 212 .d_close = mcdclose, 213 .d_strategy = mcdstrategy, 214 .d_ioctl = mcdioctl, 215 .d_dump = mcddump, 216 .d_psize = mcdsize, 217 .d_flag = D_DISK 218 }; 219 220 const struct cdevsw mcd_cdevsw = { 221 .d_open = mcdopen, 222 .d_close = mcdclose, 223 .d_read = mcdread, 224 .d_write = mcdwrite, 225 .d_ioctl = mcdioctl, 226 .d_stop = nostop, 227 .d_tty = notty, 228 .d_poll = nopoll, 229 .d_mmap = nommap, 230 .d_kqfilter = nokqfilter, 231 .d_flag = D_DISK 232 }; 233 234 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 235 void mcdgetdisklabel(struct mcd_softc *); 236 int mcd_get_parms(struct mcd_softc *); 237 void mcdstart(struct mcd_softc *); 238 void mcd_pseudointr(void *); 239 240 struct dkdriver mcddkdriver = { mcdstrategy, NULL, }; 241 242 #define MCD_RETRIES 3 243 #define MCD_RDRETRIES 3 244 245 /* several delays */ 246 #define RDELAY_WAITMODE 300 247 #define RDELAY_WAITREAD 800 248 249 #define DELAY_GRANULARITY 25 /* 25us */ 250 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 251 252 void 253 mcdattach(device_t parent, device_t self, void *aux) 254 { 255 struct mcd_softc *sc = device_private(self); 256 struct isa_attach_args *ia = aux; 257 bus_space_tag_t iot = ia->ia_iot; 258 bus_space_handle_t ioh; 259 struct mcd_mbox mbx; 260 261 /* Map i/o space */ 262 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 263 printf(": can't map i/o space\n"); 264 return; 265 } 266 267 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 268 269 sc->sc_iot = iot; 270 sc->sc_ioh = ioh; 271 272 sc->probe = 0; 273 sc->debug = 0; 274 275 if (!mcd_find(iot, ioh, sc)) { 276 printf(": mcd_find failed\n"); 277 return; 278 } 279 280 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 281 callout_init(&sc->sc_pintr_ch, 0); 282 283 /* 284 * Initialize and attach the disk structure. 285 */ 286 disk_init(&sc->sc_dk, device_xname(sc->sc_dev), &mcddkdriver); 287 disk_attach(&sc->sc_dk); 288 289 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 290 291 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 292 293 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 294 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 295 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 296 mbx.cmd.data.config.data1 = 0x01; 297 mbx.res.length = 0; 298 (void) mcd_send(sc, &mbx, 0); 299 300 mcd_soft_reset(sc); 301 302 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 303 IST_EDGE, IPL_BIO, mcdintr, sc); 304 } 305 306 int 307 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 308 { 309 int error, part; 310 struct mcd_softc *sc; 311 312 sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 313 if (sc == NULL) 314 return ENXIO; 315 316 mutex_enter(&sc->sc_lock); 317 318 if (sc->sc_dk.dk_openmask != 0) { 319 /* 320 * If any partition is open, but the disk has been invalidated, 321 * disallow further opens. 322 */ 323 if ((sc->flags & MCDF_LOADED) == 0) { 324 error = EIO; 325 goto bad3; 326 } 327 } else { 328 /* 329 * Lock the drawer. This will also notice any pending disk 330 * change or door open indicator and clear the MCDF_LOADED bit 331 * if necessary. 332 */ 333 (void) mcd_setlock(sc, MCD_LK_LOCK); 334 335 if ((sc->flags & MCDF_LOADED) == 0) { 336 /* Partially reset the state. */ 337 sc->lastmode = MCD_MD_UNKNOWN; 338 sc->lastupc = MCD_UPC_UNKNOWN; 339 340 sc->flags |= MCDF_LOADED; 341 342 /* Set the mode, causing the disk to spin up. */ 343 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 344 goto bad2; 345 346 /* Load the physical device parameters. */ 347 if (mcd_get_parms(sc) != 0) { 348 error = ENXIO; 349 goto bad2; 350 } 351 352 /* Read the table of contents. */ 353 if ((error = mcd_read_toc(sc)) != 0) 354 goto bad2; 355 356 /* Fabricate a disk label. */ 357 mcdgetdisklabel(sc); 358 } 359 } 360 361 part = MCDPART(dev); 362 363 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 364 sc->disksize, sc->blksize); 365 366 /* Check that the partition exists. */ 367 if (part != RAW_PART && 368 (part >= sc->sc_dk.dk_label->d_npartitions || 369 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 370 error = ENXIO; 371 goto bad; 372 } 373 374 /* Insure only one open at a time. */ 375 switch (fmt) { 376 case S_IFCHR: 377 sc->sc_dk.dk_copenmask |= (1 << part); 378 break; 379 case S_IFBLK: 380 sc->sc_dk.dk_bopenmask |= (1 << part); 381 break; 382 } 383 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 384 385 mutex_exit(&sc->sc_lock); 386 return 0; 387 388 bad2: 389 sc->flags &= ~MCDF_LOADED; 390 391 bad: 392 if (sc->sc_dk.dk_openmask == 0) { 393 #if 0 394 (void) mcd_setmode(sc, MCD_MD_SLEEP); 395 #endif 396 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 397 } 398 399 bad3: 400 mutex_exit(&sc->sc_lock); 401 return error; 402 } 403 404 int 405 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 406 { 407 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 408 int part = MCDPART(dev); 409 410 MCD_TRACE("close: partition=%d\n", part); 411 412 mutex_enter(&sc->sc_lock); 413 414 switch (fmt) { 415 case S_IFCHR: 416 sc->sc_dk.dk_copenmask &= ~(1 << part); 417 break; 418 case S_IFBLK: 419 sc->sc_dk.dk_bopenmask &= ~(1 << part); 420 break; 421 } 422 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 423 424 if (sc->sc_dk.dk_openmask == 0) { 425 /* XXXX Must wait for I/O to complete! */ 426 427 #if 0 428 (void) mcd_setmode(sc, MCD_MD_SLEEP); 429 #endif 430 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 431 } 432 433 mutex_exit(&sc->sc_lock); 434 return 0; 435 } 436 437 void 438 mcdstrategy(struct buf *bp) 439 { 440 struct mcd_softc *sc; 441 struct disklabel *lp; 442 daddr_t blkno; 443 int s; 444 445 sc = device_lookup_private(&mcd_cd, MCDUNIT(bp->b_dev)); 446 lp = sc->sc_dk.dk_label; 447 448 /* Test validity. */ 449 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 450 (int) bp->b_blkno, bp->b_bcount); 451 if (bp->b_blkno < 0 || 452 (bp->b_bcount % sc->blksize) != 0) { 453 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 454 device_xname(sc->sc_dev), bp->b_blkno, bp->b_bcount); 455 bp->b_error = EINVAL; 456 goto done; 457 } 458 459 /* If device invalidated (e.g. media change, door open), error. */ 460 if ((sc->flags & MCDF_LOADED) == 0) { 461 MCD_TRACE("strategy: drive not valid%s", "\n"); 462 bp->b_error = EIO; 463 goto done; 464 } 465 466 /* No data to read. */ 467 if (bp->b_bcount == 0) 468 goto done; 469 470 /* 471 * Do bounds checking, adjust transfer. if error, process. 472 * If end of partition, just return. 473 */ 474 if (MCDPART(bp->b_dev) != RAW_PART && 475 bounds_check_with_label(&sc->sc_dk, bp, 476 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 477 goto done; 478 479 /* 480 * Now convert the block number to absolute and put it in 481 * terms of the device's logical block size. 482 */ 483 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 484 if (MCDPART(bp->b_dev) != RAW_PART) 485 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 486 487 bp->b_rawblkno = blkno; 488 489 /* Queue it. */ 490 s = splbio(); 491 bufq_put(sc->buf_queue, bp); 492 splx(s); 493 if (!sc->active) 494 mcdstart(sc); 495 return; 496 497 done: 498 bp->b_resid = bp->b_bcount; 499 biodone(bp); 500 } 501 502 void 503 mcdstart(struct mcd_softc *sc) 504 { 505 struct buf *bp; 506 int s; 507 508 loop: 509 s = splbio(); 510 511 if ((bp = bufq_get(sc->buf_queue)) == NULL) { 512 /* Nothing to do. */ 513 sc->active = 0; 514 splx(s); 515 return; 516 } 517 518 /* Block found to process. */ 519 MCD_TRACE("start: found block bp=0x%p\n", bp); 520 splx(s); 521 522 /* Changed media? */ 523 if ((sc->flags & MCDF_LOADED) == 0) { 524 MCD_TRACE("start: drive not valid%s", "\n"); 525 bp->b_error = EIO; 526 biodone(bp); 527 goto loop; 528 } 529 530 sc->active = 1; 531 532 /* Instrumentation. */ 533 s = splbio(); 534 disk_busy(&sc->sc_dk); 535 splx(s); 536 537 sc->mbx.retry = MCD_RDRETRIES; 538 sc->mbx.bp = bp; 539 sc->mbx.blkno = bp->b_rawblkno; 540 sc->mbx.nblk = bp->b_bcount / sc->blksize; 541 sc->mbx.sz = sc->blksize; 542 sc->mbx.skip = 0; 543 sc->mbx.state = MCD_S_BEGIN; 544 sc->mbx.mode = MCD_MD_COOKED; 545 546 s = splbio(); 547 (void) mcdintr(sc); 548 splx(s); 549 } 550 551 int 552 mcdread(dev_t dev, struct uio *uio, int flags) 553 { 554 555 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 556 } 557 558 int 559 mcdwrite(dev_t dev, struct uio *uio, int flags) 560 { 561 562 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 563 } 564 565 int 566 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 567 { 568 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 569 int error; 570 int part; 571 #ifdef __HAVE_OLD_DISKLABEL 572 struct disklabel newlabel; 573 #endif 574 575 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 576 577 if ((sc->flags & MCDF_LOADED) == 0) 578 return EIO; 579 580 part = MCDPART(dev); 581 switch (cmd) { 582 case DIOCGDINFO: 583 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 584 return 0; 585 #ifdef __HAVE_OLD_DISKLABEL 586 case ODIOCGDINFO: 587 newlabel = *(sc->sc_dk.dk_label); 588 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 589 return ENOTTY; 590 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 591 return 0; 592 #endif 593 594 case DIOCGPART: 595 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 596 ((struct partinfo *)addr)->part = 597 &sc->sc_dk.dk_label->d_partitions[part]; 598 return 0; 599 600 case DIOCWDINFO: 601 case DIOCSDINFO: 602 #ifdef __HAVE_OLD_DISKLABEL 603 case ODIOCWDINFO: 604 case ODIOCSDINFO: 605 #endif 606 { 607 struct disklabel *lp; 608 609 if ((flag & FWRITE) == 0) 610 return EBADF; 611 612 #ifdef __HAVE_OLD_DISKLABEL 613 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 614 memset(&newlabel, 0, sizeof newlabel); 615 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 616 lp = &newlabel; 617 } else 618 #endif 619 lp = addr; 620 621 mutex_enter(&sc->sc_lock); 622 sc->flags |= MCDF_LABELLING; 623 624 error = setdisklabel(sc->sc_dk.dk_label, 625 lp, /*sc->sc_dk.dk_openmask : */0, 626 sc->sc_dk.dk_cpulabel); 627 if (error == 0) { 628 } 629 630 sc->flags &= ~MCDF_LABELLING; 631 mutex_exit(&sc->sc_lock); 632 return error; 633 } 634 635 case DIOCWLABEL: 636 return EBADF; 637 638 case DIOCGDEFLABEL: 639 mcdgetdefaultlabel(sc, addr); 640 return 0; 641 642 #ifdef __HAVE_OLD_DISKLABEL 643 case ODIOCGDEFLABEL: 644 mcdgetdefaultlabel(sc, &newlabel); 645 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 646 return ENOTTY; 647 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 648 return 0; 649 #endif 650 651 case CDIOCPLAYTRACKS: 652 return mcd_playtracks(sc, addr); 653 case CDIOCPLAYMSF: 654 return mcd_playmsf(sc, addr); 655 case CDIOCPLAYBLOCKS: 656 return mcd_playblocks(sc, addr); 657 case CDIOCREADSUBCHANNEL: { 658 struct cd_sub_channel_info info; 659 error = mcd_read_subchannel(sc, addr, &info); 660 if (error != 0) { 661 struct ioc_read_subchannel *ch = addr; 662 error = copyout(&info, ch->data, ch->data_len); 663 } 664 return error; 665 } 666 case CDIOCREADSUBCHANNEL_BUF: 667 return mcd_read_subchannel(sc, addr, 668 &((struct ioc_read_subchannel_buf *)addr)->info); 669 case CDIOREADTOCHEADER: 670 return mcd_toc_header(sc, addr); 671 case CDIOREADTOCENTRYS: { 672 struct cd_toc_entry entries[MCD_MAXTOCS]; 673 struct ioc_read_toc_entry *te = addr; 674 int count; 675 if (te->data_len > sizeof entries) 676 return EINVAL; 677 error = mcd_toc_entries(sc, te, entries, &count); 678 if (error == 0) 679 /* Copy the data back. */ 680 error = copyout(entries, te->data, min(te->data_len, 681 count * sizeof(struct cd_toc_entry))); 682 return error; 683 } 684 case CDIOREADTOCENTRIES_BUF: { 685 struct ioc_read_toc_entry_buf *te = addr; 686 int count; 687 if (te->req.data_len > sizeof te->entry) 688 return EINVAL; 689 return mcd_toc_entries(sc, &te->req, te->entry, &count); 690 } 691 case CDIOCSETPATCH: 692 case CDIOCGETVOL: 693 case CDIOCSETVOL: 694 case CDIOCSETMONO: 695 case CDIOCSETSTEREO: 696 case CDIOCSETMUTE: 697 case CDIOCSETLEFT: 698 case CDIOCSETRIGHT: 699 return EINVAL; 700 case CDIOCRESUME: 701 return mcd_resume(sc); 702 case CDIOCPAUSE: 703 return mcd_pause(sc); 704 case CDIOCSTART: 705 return EINVAL; 706 case CDIOCSTOP: 707 return mcd_stop(sc); 708 case DIOCEJECT: 709 if (*(int *)addr == 0) { 710 /* 711 * Don't force eject: check that we are the only 712 * partition open. If so, unlock it. 713 */ 714 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 715 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 716 sc->sc_dk.dk_openmask) { 717 error = mcd_setlock(sc, MCD_LK_UNLOCK); 718 if (error) 719 return (error); 720 } else { 721 return (EBUSY); 722 } 723 } 724 /* FALLTHROUGH */ 725 case CDIOCEJECT: /* FALLTHROUGH */ 726 case ODIOCEJECT: 727 return mcd_eject(sc); 728 case CDIOCALLOW: 729 return mcd_setlock(sc, MCD_LK_UNLOCK); 730 case CDIOCPREVENT: 731 return mcd_setlock(sc, MCD_LK_LOCK); 732 case DIOCLOCK: 733 return mcd_setlock(sc, 734 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 735 case CDIOCSETDEBUG: 736 sc->debug = 1; 737 return 0; 738 case CDIOCCLRDEBUG: 739 sc->debug = 0; 740 return 0; 741 case CDIOCRESET: 742 return mcd_hard_reset(sc); 743 744 default: 745 return ENOTTY; 746 } 747 748 #ifdef DIAGNOSTIC 749 panic("mcdioctl: impossible"); 750 #endif 751 } 752 753 void 754 mcdgetdefaultlabel(struct mcd_softc *sc, struct disklabel *lp) 755 { 756 757 memset(lp, 0, sizeof(struct disklabel)); 758 759 lp->d_secsize = sc->blksize; 760 lp->d_ntracks = 1; 761 lp->d_nsectors = 100; 762 lp->d_ncylinders = (sc->disksize / 100) + 1; 763 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 764 765 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 766 lp->d_type = 0; /* XXX */ 767 strncpy(lp->d_packname, "fictitious", 16); 768 lp->d_secperunit = sc->disksize; 769 lp->d_rpm = 300; 770 lp->d_interleave = 1; 771 lp->d_flags = D_REMOVABLE; 772 773 lp->d_partitions[0].p_offset = 0; 774 lp->d_partitions[0].p_size = 775 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 776 lp->d_partitions[0].p_fstype = FS_ISO9660; 777 lp->d_partitions[RAW_PART].p_offset = 0; 778 lp->d_partitions[RAW_PART].p_size = 779 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 780 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 781 lp->d_npartitions = RAW_PART + 1; 782 783 lp->d_magic = DISKMAGIC; 784 lp->d_magic2 = DISKMAGIC; 785 lp->d_checksum = dkcksum(lp); 786 } 787 788 /* 789 * This could have been taken from scsi/cd.c, but it is not clear 790 * whether the scsi cd driver is linked in. 791 */ 792 void 793 mcdgetdisklabel(struct mcd_softc *sc) 794 { 795 struct disklabel *lp = sc->sc_dk.dk_label; 796 797 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 798 799 mcdgetdefaultlabel(sc, lp); 800 } 801 802 int 803 mcd_get_parms(struct mcd_softc *sc) 804 { 805 struct mcd_mbox mbx; 806 daddr_t size; 807 int error; 808 809 /* Send volume info command. */ 810 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 811 mbx.cmd.length = 0; 812 mbx.res.length = sizeof(mbx.res.data.volinfo); 813 if ((error = mcd_send(sc, &mbx, 1)) != 0) 814 return error; 815 816 if (mbx.res.data.volinfo.trk_low == 0x00 && 817 mbx.res.data.volinfo.trk_high == 0x00) 818 return EINVAL; 819 820 /* Volinfo is OK. */ 821 sc->volinfo = mbx.res.data.volinfo; 822 sc->blksize = MCD_BLKSIZE_COOKED; 823 size = msf2hsg(sc->volinfo.vol_msf, 0); 824 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 825 return 0; 826 } 827 828 int 829 mcdsize(dev_t dev) 830 { 831 832 /* CD-ROMs are read-only. */ 833 return -1; 834 } 835 836 int 837 mcddump(dev_t dev, daddr_t blkno, void *va, 838 size_t size) 839 { 840 841 /* Not implemented. */ 842 return ENXIO; 843 } 844 845 /* 846 * Find the board and fill in the softc. 847 */ 848 int 849 mcd_find(bus_space_tag_t iot, bus_space_handle_t ioh, struct mcd_softc *sc) 850 { 851 int i; 852 struct mcd_mbox mbx; 853 854 sc->sc_iot = iot; 855 sc->sc_ioh = ioh; 856 857 /* Send a reset. */ 858 bus_space_write_1(iot, ioh, MCD_RESET, 0); 859 delay(1000000); 860 /* Get any pending status and throw away. */ 861 for (i = 10; i; i--) 862 bus_space_read_1(iot, ioh, MCD_STATUS); 863 delay(1000); 864 865 /* Send get status command. */ 866 mbx.cmd.opcode = MCD_CMDGETSTAT; 867 mbx.cmd.length = 0; 868 mbx.res.length = 0; 869 if (mcd_send(sc, &mbx, 0) != 0) 870 return 0; 871 872 /* Get info about the drive. */ 873 mbx.cmd.opcode = MCD_CMDCONTINFO; 874 mbx.cmd.length = 0; 875 mbx.res.length = sizeof(mbx.res.data.continfo); 876 if (mcd_send(sc, &mbx, 0) != 0) 877 return 0; 878 879 /* 880 * The following is code which is not guaranteed to work for all 881 * drives, because the meaning of the expected 'M' is not clear 882 * (M_itsumi is an obvious assumption, but I don't trust that). 883 * Also, the original hack had a bogus condition that always 884 * returned true. 885 * 886 * Note: Which models support interrupts? >=LU005S? 887 */ 888 sc->readcmd = MCD_CMDREADSINGLESPEED; 889 switch (mbx.res.data.continfo.code) { 890 case 'M': 891 if (mbx.res.data.continfo.version <= 2) 892 sc->type = "LU002S"; 893 else if (mbx.res.data.continfo.version <= 5) 894 sc->type = "LU005S"; 895 else 896 sc->type = "LU006S"; 897 break; 898 case 'F': 899 sc->type = "FX001"; 900 break; 901 case 'D': 902 sc->type = "FX001D"; 903 sc->readcmd = MCD_CMDREADDOUBLESPEED; 904 break; 905 default: 906 /* 907 * mcd_send() says the response looked OK but the 908 * drive type is unknown. If mcd_promisc, match anyway. 909 */ 910 if (mcd_promisc != 0) 911 return 0; 912 913 #ifdef MCDDEBUG 914 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 915 device_xname(sc->sc_dev), 916 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 917 #endif 918 sc->type = 0; 919 break; 920 } 921 922 return 1; 923 924 } 925 926 int 927 mcdprobe(device_t parent, cfdata_t match, void *aux) 928 { 929 struct isa_attach_args *ia = aux; 930 struct mcd_softc sc; 931 bus_space_tag_t iot = ia->ia_iot; 932 bus_space_handle_t ioh; 933 int rv; 934 935 if (ia->ia_nio < 1) 936 return (0); 937 if (ia->ia_nirq < 1) 938 return (0); 939 940 if (ISA_DIRECT_CONFIG(ia)) 941 return (0); 942 943 /* Disallow wildcarded i/o address. */ 944 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 945 return (0); 946 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 947 return (0); 948 949 /* Map i/o space */ 950 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 951 return 0; 952 953 sc.debug = 0; 954 sc.probe = 1; 955 956 rv = mcd_find(iot, ioh, &sc); 957 958 bus_space_unmap(iot, ioh, MCD_NPORT); 959 960 if (rv) { 961 ia->ia_nio = 1; 962 ia->ia_io[0].ir_size = MCD_NPORT; 963 964 ia->ia_nirq = 1; 965 966 ia->ia_niomem = 0; 967 ia->ia_ndrq = 0; 968 } 969 970 return (rv); 971 } 972 973 int 974 mcd_getreply(struct mcd_softc *sc) 975 { 976 bus_space_tag_t iot = sc->sc_iot; 977 bus_space_handle_t ioh = sc->sc_ioh; 978 int i; 979 980 /* Wait until xfer port senses data ready. */ 981 for (i = DELAY_GETREPLY; i; i--) { 982 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 983 MCD_XF_STATUSUNAVAIL) == 0) 984 break; 985 delay(DELAY_GRANULARITY); 986 } 987 if (!i) 988 return -1; 989 990 /* Get the data. */ 991 return bus_space_read_1(iot, ioh, MCD_STATUS); 992 } 993 994 int 995 mcd_getstat(struct mcd_softc *sc) 996 { 997 struct mcd_mbox mbx; 998 999 mbx.cmd.opcode = MCD_CMDGETSTAT; 1000 mbx.cmd.length = 0; 1001 mbx.res.length = 0; 1002 return mcd_send(sc, &mbx, 1); 1003 } 1004 1005 int 1006 mcd_getresult(struct mcd_softc *sc, struct mcd_result *res) 1007 { 1008 int i, x; 1009 1010 if (sc->debug) 1011 printf("%s: mcd_getresult: %d", device_xname(sc->sc_dev), 1012 res->length); 1013 1014 if ((x = mcd_getreply(sc)) < 0) { 1015 if (sc->debug) 1016 printf(" timeout\n"); 1017 else if (!sc->probe) 1018 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1019 return EIO; 1020 } 1021 if (sc->debug) 1022 printf(" %02x", (u_int)x); 1023 sc->status = x; 1024 mcd_setflags(sc); 1025 1026 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1027 return EINVAL; 1028 1029 for (i = 0; i < res->length; i++) { 1030 if ((x = mcd_getreply(sc)) < 0) { 1031 if (sc->debug) 1032 printf(" timeout\n"); 1033 else 1034 printf("%s: timeout in getresult\n", device_xname(sc->sc_dev)); 1035 return EIO; 1036 } 1037 if (sc->debug) 1038 printf(" %02x", (u_int)x); 1039 res->data.raw.data[i] = x; 1040 } 1041 1042 if (sc->debug) 1043 printf(" succeeded\n"); 1044 1045 #ifdef MCDDEBUG 1046 delay(10); 1047 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1048 MCD_XF_STATUSUNAVAIL) == 0) { 1049 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1050 printf("%s: got extra byte %02x during getstatus\n", 1051 device_xname(sc->sc_dev), (u_int)x); 1052 delay(10); 1053 } 1054 #endif 1055 1056 return 0; 1057 } 1058 1059 void 1060 mcd_setflags(struct mcd_softc *sc) 1061 { 1062 1063 /* Check flags. */ 1064 if ((sc->flags & MCDF_LOADED) != 0 && 1065 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1066 MCD_ST_DSKIN) { 1067 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1068 printf("%s: door open\n", device_xname(sc->sc_dev)); 1069 else if ((sc->status & MCD_ST_DSKIN) == 0) 1070 printf("%s: no disk present\n", device_xname(sc->sc_dev)); 1071 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1072 printf("%s: media change\n", device_xname(sc->sc_dev)); 1073 sc->flags &= ~MCDF_LOADED; 1074 } 1075 1076 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1077 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1078 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1079 sc->audio_status == CD_AS_AUDIO_INVALID) 1080 sc->audio_status = CD_AS_PLAY_COMPLETED; 1081 } 1082 1083 int 1084 mcd_send(struct mcd_softc *sc, struct mcd_mbox *mbx, int diskin) 1085 { 1086 int retry, i, error; 1087 bus_space_tag_t iot = sc->sc_iot; 1088 bus_space_handle_t ioh = sc->sc_ioh; 1089 1090 if (sc->debug) { 1091 printf("%s: mcd_send: %d %02x", device_xname(sc->sc_dev), 1092 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1093 for (i = 0; i < mbx->cmd.length; i++) 1094 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1095 printf("\n"); 1096 } 1097 1098 for (retry = MCD_RETRIES; retry; retry--) { 1099 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1100 for (i = 0; i < mbx->cmd.length; i++) 1101 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1102 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1103 break; 1104 if (error == EINVAL) 1105 return error; 1106 } 1107 if (!retry) 1108 return error; 1109 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1110 return EIO; 1111 1112 return 0; 1113 } 1114 1115 static int 1116 bcd2bin(bcd_t b) 1117 { 1118 1119 return (b >> 4) * 10 + (b & 15); 1120 } 1121 1122 static bcd_t 1123 bin2bcd(int b) 1124 { 1125 1126 return ((b / 10) << 4) | (b % 10); 1127 } 1128 1129 static void 1130 hsg2msf(int hsg, bcd_t *msf) 1131 { 1132 1133 hsg += 150; 1134 F_msf(msf) = bin2bcd(hsg % 75); 1135 hsg /= 75; 1136 S_msf(msf) = bin2bcd(hsg % 60); 1137 hsg /= 60; 1138 M_msf(msf) = bin2bcd(hsg); 1139 } 1140 1141 static daddr_t 1142 msf2hsg(bcd_t *msf, int relative) 1143 { 1144 daddr_t blkno; 1145 1146 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1147 bcd2bin(S_msf(msf)) * 75 + 1148 bcd2bin(F_msf(msf)); 1149 if (!relative) 1150 blkno -= 150; 1151 return blkno; 1152 } 1153 1154 void 1155 mcd_pseudointr(void *v) 1156 { 1157 struct mcd_softc *sc = v; 1158 int s; 1159 1160 s = splbio(); 1161 (void) mcdintr(sc); 1162 splx(s); 1163 } 1164 1165 /* 1166 * State machine to process read requests. 1167 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1168 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1169 * MCD_S_WAITREAD: wait for read ready, read data. 1170 */ 1171 int 1172 mcdintr(void *arg) 1173 { 1174 struct mcd_softc *sc = arg; 1175 struct mcd_mbx *mbx = &sc->mbx; 1176 struct buf *bp = mbx->bp; 1177 bus_space_tag_t iot = sc->sc_iot; 1178 bus_space_handle_t ioh = sc->sc_ioh; 1179 1180 int i; 1181 u_char x; 1182 bcd_t msf[3]; 1183 1184 switch (mbx->state) { 1185 case MCD_S_IDLE: 1186 return 0; 1187 1188 case MCD_S_BEGIN: 1189 tryagain: 1190 if (mbx->mode == sc->lastmode) 1191 goto firstblock; 1192 1193 sc->lastmode = MCD_MD_UNKNOWN; 1194 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1195 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1196 1197 mbx->count = RDELAY_WAITMODE; 1198 mbx->state = MCD_S_WAITMODE; 1199 1200 case MCD_S_WAITMODE: 1201 callout_stop(&sc->sc_pintr_ch); 1202 for (i = 20; i; i--) { 1203 x = bus_space_read_1(iot, ioh, MCD_XFER); 1204 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1205 break; 1206 delay(50); 1207 } 1208 if (i == 0) 1209 goto hold; 1210 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1211 mcd_setflags(sc); 1212 if ((sc->flags & MCDF_LOADED) == 0) 1213 goto changed; 1214 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1215 RDELAY_WAITMODE - mbx->count); 1216 1217 sc->lastmode = mbx->mode; 1218 1219 firstblock: 1220 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1221 (int) mbx->blkno, bp); 1222 1223 /* Build parameter block. */ 1224 hsg2msf(mbx->blkno, msf); 1225 1226 /* Send the read command. */ 1227 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1228 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1229 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1230 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1231 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1232 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1233 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1234 1235 mbx->count = RDELAY_WAITREAD; 1236 mbx->state = MCD_S_WAITREAD; 1237 1238 case MCD_S_WAITREAD: 1239 callout_stop(&sc->sc_pintr_ch); 1240 nextblock: 1241 loop: 1242 for (i = 20; i; i--) { 1243 x = bus_space_read_1(iot, ioh, MCD_XFER); 1244 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1245 goto gotblock; 1246 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1247 break; 1248 delay(50); 1249 } 1250 if (i == 0) 1251 goto hold; 1252 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1253 mcd_setflags(sc); 1254 if ((sc->flags & MCDF_LOADED) == 0) 1255 goto changed; 1256 #if 0 1257 printf("%s: got status byte %02x during read\n", 1258 device_xname(sc->sc_dev), (u_int)sc->status); 1259 #endif 1260 goto loop; 1261 1262 gotblock: 1263 MCD_TRACE("doread: got data delay=%d\n", 1264 RDELAY_WAITREAD - mbx->count); 1265 1266 /* Data is ready. */ 1267 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1268 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1269 (char *)bp->b_data + mbx->skip, mbx->sz); 1270 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1271 mbx->blkno += 1; 1272 mbx->skip += mbx->sz; 1273 if (--mbx->nblk > 0) 1274 goto nextblock; 1275 1276 mbx->state = MCD_S_IDLE; 1277 1278 /* Return buffer. */ 1279 bp->b_resid = 0; 1280 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1281 biodone(bp); 1282 1283 mcdstart(sc); 1284 return 1; 1285 1286 hold: 1287 if (mbx->count-- < 0) { 1288 printf("%s: timeout in state %d", 1289 device_xname(sc->sc_dev), mbx->state); 1290 goto readerr; 1291 } 1292 1293 #if 0 1294 printf("%s: sleep in state %d\n", device_xname(sc->sc_dev), 1295 mbx->state); 1296 #endif 1297 callout_reset(&sc->sc_pintr_ch, hz / 100, 1298 mcd_pseudointr, sc); 1299 return -1; 1300 } 1301 1302 readerr: 1303 if (mbx->retry-- > 0) { 1304 printf("; retrying\n"); 1305 goto tryagain; 1306 } else 1307 printf("; giving up\n"); 1308 1309 changed: 1310 /* Invalidate the buffer. */ 1311 bp->b_error = EIO; 1312 bp->b_resid = bp->b_bcount - mbx->skip; 1313 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1314 (bp->b_flags & B_READ)); 1315 biodone(bp); 1316 1317 mcdstart(sc); 1318 return -1; 1319 1320 #ifdef notyet 1321 printf("%s: unit timeout; resetting\n", device_xname(sc->sc_dev)); 1322 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1323 delay(300000); 1324 (void) mcd_getstat(sc, 1); 1325 (void) mcd_getstat(sc, 1); 1326 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1327 sc->debug = 1; /* preventive set debug mode */ 1328 #endif 1329 } 1330 1331 void 1332 mcd_soft_reset(struct mcd_softc *sc) 1333 { 1334 1335 sc->debug = 0; 1336 sc->flags = 0; 1337 sc->lastmode = MCD_MD_UNKNOWN; 1338 sc->lastupc = MCD_UPC_UNKNOWN; 1339 sc->audio_status = CD_AS_AUDIO_INVALID; 1340 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1341 } 1342 1343 int 1344 mcd_hard_reset(struct mcd_softc *sc) 1345 { 1346 struct mcd_mbox mbx; 1347 1348 mcd_soft_reset(sc); 1349 1350 mbx.cmd.opcode = MCD_CMDRESET; 1351 mbx.cmd.length = 0; 1352 mbx.res.length = 0; 1353 return mcd_send(sc, &mbx, 0); 1354 } 1355 1356 int 1357 mcd_setmode(struct mcd_softc *sc, int mode) 1358 { 1359 struct mcd_mbox mbx; 1360 int error; 1361 1362 if (sc->lastmode == mode) 1363 return 0; 1364 if (sc->debug) 1365 printf("%s: setting mode to %d\n", device_xname(sc->sc_dev), mode); 1366 sc->lastmode = MCD_MD_UNKNOWN; 1367 1368 mbx.cmd.opcode = MCD_CMDSETMODE; 1369 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1370 mbx.cmd.data.datamode.mode = mode; 1371 mbx.res.length = 0; 1372 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1373 return error; 1374 1375 sc->lastmode = mode; 1376 return 0; 1377 } 1378 1379 int 1380 mcd_setupc(struct mcd_softc *sc, int upc) 1381 { 1382 struct mcd_mbox mbx; 1383 int error; 1384 1385 if (sc->lastupc == upc) 1386 return 0; 1387 if (sc->debug) 1388 printf("%s: setting upc to %d\n", device_xname(sc->sc_dev), upc); 1389 sc->lastupc = MCD_UPC_UNKNOWN; 1390 1391 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1392 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1393 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1394 mbx.cmd.data.config.data1 = upc; 1395 mbx.res.length = 0; 1396 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1397 return error; 1398 1399 sc->lastupc = upc; 1400 return 0; 1401 } 1402 1403 int 1404 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th) 1405 { 1406 1407 if (sc->debug) 1408 printf("%s: mcd_toc_header: reading toc header\n", 1409 device_xname(sc->sc_dev)); 1410 1411 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1412 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1413 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1414 1415 return 0; 1416 } 1417 1418 int 1419 mcd_read_toc(struct mcd_softc *sc) 1420 { 1421 struct ioc_toc_header th; 1422 union mcd_qchninfo q; 1423 int error, trk, idx, retry; 1424 1425 if ((error = mcd_toc_header(sc, &th)) != 0) 1426 return error; 1427 1428 if ((error = mcd_stop(sc)) != 0) 1429 return error; 1430 1431 if (sc->debug) 1432 printf("%s: read_toc: reading qchannel info\n", 1433 device_xname(sc->sc_dev)); 1434 1435 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1436 sc->toc[trk].toc.idx_no = 0x00; 1437 trk = th.ending_track - th.starting_track + 1; 1438 for (retry = 300; retry && trk > 0; retry--) { 1439 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1440 break; 1441 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1442 continue; 1443 idx = bcd2bin(q.toc.idx_no); 1444 if (idx < MCD_MAXTOCS && 1445 sc->toc[idx].toc.idx_no == 0x00) { 1446 sc->toc[idx] = q; 1447 trk--; 1448 } 1449 } 1450 1451 /* Inform the drive that we're finished so it turns off the light. */ 1452 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1453 return error; 1454 1455 if (trk != 0) 1456 return EINVAL; 1457 1458 /* Add a fake last+1 for mcd_playtracks(). */ 1459 idx = th.ending_track + 1; 1460 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1461 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1462 sc->toc[idx].toc.trk_no = 0x00; 1463 sc->toc[idx].toc.idx_no = 0xaa; 1464 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1465 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1466 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1467 1468 return 0; 1469 } 1470 1471 int 1472 mcd_toc_entries(struct mcd_softc *sc, struct ioc_read_toc_entry *te, struct cd_toc_entry *entries, int *count) 1473 { 1474 int len = te->data_len; 1475 struct ioc_toc_header header; 1476 u_char trk; 1477 daddr_t lba; 1478 int error, n; 1479 1480 if (len < sizeof(struct cd_toc_entry)) 1481 return EINVAL; 1482 if (te->address_format != CD_MSF_FORMAT && 1483 te->address_format != CD_LBA_FORMAT) 1484 return EINVAL; 1485 1486 /* Copy the TOC header. */ 1487 if ((error = mcd_toc_header(sc, &header)) != 0) 1488 return error; 1489 1490 /* Verify starting track. */ 1491 trk = te->starting_track; 1492 if (trk == 0x00) 1493 trk = header.starting_track; 1494 else if (trk == 0xaa) 1495 trk = header.ending_track + 1; 1496 else if (trk < header.starting_track || 1497 trk > header.ending_track + 1) 1498 return EINVAL; 1499 1500 /* Copy the TOC data. */ 1501 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1502 if (n * sizeof entries[0] > len) 1503 break; 1504 if (sc->toc[trk].toc.idx_no == 0x00) 1505 continue; 1506 entries[n].control = sc->toc[trk].toc.control; 1507 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1508 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1509 switch (te->address_format) { 1510 case CD_MSF_FORMAT: 1511 entries[n].addr.addr[0] = 0; 1512 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1513 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1514 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1515 break; 1516 case CD_LBA_FORMAT: 1517 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1518 entries[n].addr.addr[0] = lba >> 24; 1519 entries[n].addr.addr[1] = lba >> 16; 1520 entries[n].addr.addr[2] = lba >> 8; 1521 entries[n].addr.addr[3] = lba; 1522 break; 1523 } 1524 } 1525 1526 *count = n; 1527 return 0; 1528 } 1529 1530 int 1531 mcd_stop(struct mcd_softc *sc) 1532 { 1533 struct mcd_mbox mbx; 1534 int error; 1535 1536 if (sc->debug) 1537 printf("%s: mcd_stop: stopping play\n", device_xname(sc->sc_dev)); 1538 1539 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1540 mbx.cmd.length = 0; 1541 mbx.res.length = 0; 1542 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1543 return error; 1544 1545 sc->audio_status = CD_AS_PLAY_COMPLETED; 1546 return 0; 1547 } 1548 1549 int 1550 mcd_getqchan(struct mcd_softc *sc, union mcd_qchninfo *q, int qchn) 1551 { 1552 struct mcd_mbox mbx; 1553 int error; 1554 1555 if (qchn == CD_TRACK_INFO) { 1556 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1557 return error; 1558 } else { 1559 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1560 return error; 1561 } 1562 if (qchn == CD_MEDIA_CATALOG) { 1563 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1564 return error; 1565 } else { 1566 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1567 return error; 1568 } 1569 1570 mbx.cmd.opcode = MCD_CMDGETQCHN; 1571 mbx.cmd.length = 0; 1572 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1573 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1574 return error; 1575 1576 *q = mbx.res.data.qchninfo; 1577 return 0; 1578 } 1579 1580 int 1581 mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, 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
Indexes created Tue Sep 30 07:10:03 GMT 2025