mcd.c revision 1.105
1 /* $NetBSD: mcd.c,v 1.105 2008/06/08 12:43:52 tsutsui 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 1.105 2008/06/08 12:43:52 tsutsui 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 struct device 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(struct device *, struct cfdata *, void *); 194 void mcdattach(struct device *, struct device *, void *); 195 196 CFATTACH_DECL(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 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK 212 }; 213 214 const struct cdevsw mcd_cdevsw = { 215 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl, 216 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 217 }; 218 219 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 220 void mcdgetdisklabel(struct mcd_softc *); 221 int mcd_get_parms(struct mcd_softc *); 222 void mcdstart(struct mcd_softc *); 223 void mcd_pseudointr(void *); 224 225 struct dkdriver mcddkdriver = { mcdstrategy, NULL, }; 226 227 #define MCD_RETRIES 3 228 #define MCD_RDRETRIES 3 229 230 /* several delays */ 231 #define RDELAY_WAITMODE 300 232 #define RDELAY_WAITREAD 800 233 234 #define DELAY_GRANULARITY 25 /* 25us */ 235 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 236 237 void 238 mcdattach(struct device *parent, struct device *self, void *aux) 239 { 240 struct mcd_softc *sc = (void *)self; 241 struct isa_attach_args *ia = aux; 242 bus_space_tag_t iot = ia->ia_iot; 243 bus_space_handle_t ioh; 244 struct mcd_mbox mbx; 245 246 /* Map i/o space */ 247 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 248 printf(": can't map i/o space\n"); 249 return; 250 } 251 252 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 253 254 sc->sc_iot = iot; 255 sc->sc_ioh = ioh; 256 257 sc->probe = 0; 258 sc->debug = 0; 259 260 if (!mcd_find(iot, ioh, sc)) { 261 printf(": mcd_find failed\n"); 262 return; 263 } 264 265 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 266 callout_init(&sc->sc_pintr_ch, 0); 267 268 /* 269 * Initialize and attach the disk structure. 270 */ 271 disk_init(&sc->sc_dk, device_xname(&sc->sc_dev), &mcddkdriver); 272 disk_attach(&sc->sc_dk); 273 274 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 275 276 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 277 278 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 279 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 280 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 281 mbx.cmd.data.config.data1 = 0x01; 282 mbx.res.length = 0; 283 (void) mcd_send(sc, &mbx, 0); 284 285 mcd_soft_reset(sc); 286 287 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 288 IST_EDGE, IPL_BIO, mcdintr, sc); 289 } 290 291 int 292 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 293 { 294 int error, part; 295 struct mcd_softc *sc; 296 297 sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 298 if (sc == NULL) 299 return ENXIO; 300 301 mutex_enter(&sc->sc_lock); 302 303 if (sc->sc_dk.dk_openmask != 0) { 304 /* 305 * If any partition is open, but the disk has been invalidated, 306 * disallow further opens. 307 */ 308 if ((sc->flags & MCDF_LOADED) == 0) { 309 error = EIO; 310 goto bad3; 311 } 312 } else { 313 /* 314 * Lock the drawer. This will also notice any pending disk 315 * change or door open indicator and clear the MCDF_LOADED bit 316 * if necessary. 317 */ 318 (void) mcd_setlock(sc, MCD_LK_LOCK); 319 320 if ((sc->flags & MCDF_LOADED) == 0) { 321 /* Partially reset the state. */ 322 sc->lastmode = MCD_MD_UNKNOWN; 323 sc->lastupc = MCD_UPC_UNKNOWN; 324 325 sc->flags |= MCDF_LOADED; 326 327 /* Set the mode, causing the disk to spin up. */ 328 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 329 goto bad2; 330 331 /* Load the physical device parameters. */ 332 if (mcd_get_parms(sc) != 0) { 333 error = ENXIO; 334 goto bad2; 335 } 336 337 /* Read the table of contents. */ 338 if ((error = mcd_read_toc(sc)) != 0) 339 goto bad2; 340 341 /* Fabricate a disk label. */ 342 mcdgetdisklabel(sc); 343 } 344 } 345 346 part = MCDPART(dev); 347 348 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 349 sc->disksize, sc->blksize); 350 351 /* Check that the partition exists. */ 352 if (part != RAW_PART && 353 (part >= sc->sc_dk.dk_label->d_npartitions || 354 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 355 error = ENXIO; 356 goto bad; 357 } 358 359 /* Insure only one open at a time. */ 360 switch (fmt) { 361 case S_IFCHR: 362 sc->sc_dk.dk_copenmask |= (1 << part); 363 break; 364 case S_IFBLK: 365 sc->sc_dk.dk_bopenmask |= (1 << part); 366 break; 367 } 368 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 369 370 mutex_exit(&sc->sc_lock); 371 return 0; 372 373 bad2: 374 sc->flags &= ~MCDF_LOADED; 375 376 bad: 377 if (sc->sc_dk.dk_openmask == 0) { 378 #if 0 379 (void) mcd_setmode(sc, MCD_MD_SLEEP); 380 #endif 381 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 382 } 383 384 bad3: 385 mutex_exit(&sc->sc_lock); 386 return error; 387 } 388 389 int 390 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 391 { 392 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 393 int part = MCDPART(dev); 394 395 MCD_TRACE("close: partition=%d\n", part); 396 397 mutex_enter(&sc->sc_lock); 398 399 switch (fmt) { 400 case S_IFCHR: 401 sc->sc_dk.dk_copenmask &= ~(1 << part); 402 break; 403 case S_IFBLK: 404 sc->sc_dk.dk_bopenmask &= ~(1 << part); 405 break; 406 } 407 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 408 409 if (sc->sc_dk.dk_openmask == 0) { 410 /* XXXX Must wait for I/O to complete! */ 411 412 #if 0 413 (void) mcd_setmode(sc, MCD_MD_SLEEP); 414 #endif 415 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 416 } 417 418 mutex_exit(&sc->sc_lock); 419 return 0; 420 } 421 422 void 423 mcdstrategy(bp) 424 struct buf *bp; 425 { 426 struct mcd_softc *sc; 427 struct disklabel *lp; 428 daddr_t blkno; 429 int s; 430 431 sc = device_lookup_private(&mcd_cd, MCDUNIT(bp->b_dev)); 432 lp = sc->sc_dk.dk_label; 433 434 /* Test validity. */ 435 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 436 (int) bp->b_blkno, bp->b_bcount); 437 if (bp->b_blkno < 0 || 438 (bp->b_bcount % sc->blksize) != 0) { 439 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 440 device_xname(&sc->sc_dev), bp->b_blkno, bp->b_bcount); 441 bp->b_error = EINVAL; 442 goto done; 443 } 444 445 /* If device invalidated (e.g. media change, door open), error. */ 446 if ((sc->flags & MCDF_LOADED) == 0) { 447 MCD_TRACE("strategy: drive not valid%s", "\n"); 448 bp->b_error = EIO; 449 goto done; 450 } 451 452 /* No data to read. */ 453 if (bp->b_bcount == 0) 454 goto done; 455 456 /* 457 * Do bounds checking, adjust transfer. if error, process. 458 * If end of partition, just return. 459 */ 460 if (MCDPART(bp->b_dev) != RAW_PART && 461 bounds_check_with_label(&sc->sc_dk, bp, 462 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 463 goto done; 464 465 /* 466 * Now convert the block number to absolute and put it in 467 * terms of the device's logical block size. 468 */ 469 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 470 if (MCDPART(bp->b_dev) != RAW_PART) 471 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 472 473 bp->b_rawblkno = blkno; 474 475 /* Queue it. */ 476 s = splbio(); 477 BUFQ_PUT(sc->buf_queue, bp); 478 splx(s); 479 if (!sc->active) 480 mcdstart(sc); 481 return; 482 483 done: 484 bp->b_resid = bp->b_bcount; 485 biodone(bp); 486 } 487 488 void 489 mcdstart(sc) 490 struct mcd_softc *sc; 491 { 492 struct buf *bp; 493 int s; 494 495 loop: 496 s = splbio(); 497 498 if ((bp = BUFQ_GET(sc->buf_queue)) == NULL) { 499 /* Nothing to do. */ 500 sc->active = 0; 501 splx(s); 502 return; 503 } 504 505 /* Block found to process. */ 506 MCD_TRACE("start: found block bp=0x%p\n", bp); 507 splx(s); 508 509 /* Changed media? */ 510 if ((sc->flags & MCDF_LOADED) == 0) { 511 MCD_TRACE("start: drive not valid%s", "\n"); 512 bp->b_error = EIO; 513 biodone(bp); 514 goto loop; 515 } 516 517 sc->active = 1; 518 519 /* Instrumentation. */ 520 s = splbio(); 521 disk_busy(&sc->sc_dk); 522 splx(s); 523 524 sc->mbx.retry = MCD_RDRETRIES; 525 sc->mbx.bp = bp; 526 sc->mbx.blkno = bp->b_rawblkno; 527 sc->mbx.nblk = bp->b_bcount / sc->blksize; 528 sc->mbx.sz = sc->blksize; 529 sc->mbx.skip = 0; 530 sc->mbx.state = MCD_S_BEGIN; 531 sc->mbx.mode = MCD_MD_COOKED; 532 533 s = splbio(); 534 (void) mcdintr(sc); 535 splx(s); 536 } 537 538 int 539 mcdread(dev_t dev, struct uio *uio, int flags) 540 { 541 542 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 543 } 544 545 int 546 mcdwrite(dev_t dev, struct uio *uio, int flags) 547 { 548 549 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 550 } 551 552 int 553 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 554 { 555 struct mcd_softc *sc = device_lookup_private(&mcd_cd, MCDUNIT(dev)); 556 int error; 557 int part; 558 #ifdef __HAVE_OLD_DISKLABEL 559 struct disklabel newlabel; 560 #endif 561 562 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 563 564 if ((sc->flags & MCDF_LOADED) == 0) 565 return EIO; 566 567 part = MCDPART(dev); 568 switch (cmd) { 569 case DIOCGDINFO: 570 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 571 return 0; 572 #ifdef __HAVE_OLD_DISKLABEL 573 case ODIOCGDINFO: 574 newlabel = *(sc->sc_dk.dk_label); 575 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 576 return ENOTTY; 577 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 578 return 0; 579 #endif 580 581 case DIOCGPART: 582 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 583 ((struct partinfo *)addr)->part = 584 &sc->sc_dk.dk_label->d_partitions[part]; 585 return 0; 586 587 case DIOCWDINFO: 588 case DIOCSDINFO: 589 #ifdef __HAVE_OLD_DISKLABEL 590 case ODIOCWDINFO: 591 case ODIOCSDINFO: 592 #endif 593 { 594 struct disklabel *lp; 595 596 if ((flag & FWRITE) == 0) 597 return EBADF; 598 599 #ifdef __HAVE_OLD_DISKLABEL 600 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 601 memset(&newlabel, 0, sizeof newlabel); 602 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 603 lp = &newlabel; 604 } else 605 #endif 606 lp = addr; 607 608 mutex_enter(&sc->sc_lock); 609 sc->flags |= MCDF_LABELLING; 610 611 error = setdisklabel(sc->sc_dk.dk_label, 612 lp, /*sc->sc_dk.dk_openmask : */0, 613 sc->sc_dk.dk_cpulabel); 614 if (error == 0) { 615 } 616 617 sc->flags &= ~MCDF_LABELLING; 618 mutex_exit(&sc->sc_lock); 619 return error; 620 } 621 622 case DIOCWLABEL: 623 return EBADF; 624 625 case DIOCGDEFLABEL: 626 mcdgetdefaultlabel(sc, addr); 627 return 0; 628 629 #ifdef __HAVE_OLD_DISKLABEL 630 case ODIOCGDEFLABEL: 631 mcdgetdefaultlabel(sc, &newlabel); 632 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 633 return ENOTTY; 634 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 635 return 0; 636 #endif 637 638 case CDIOCPLAYTRACKS: 639 return mcd_playtracks(sc, addr); 640 case CDIOCPLAYMSF: 641 return mcd_playmsf(sc, addr); 642 case CDIOCPLAYBLOCKS: 643 return mcd_playblocks(sc, addr); 644 case CDIOCREADSUBCHANNEL: { 645 struct cd_sub_channel_info info; 646 error = mcd_read_subchannel(sc, addr, &info); 647 if (error != 0) { 648 struct ioc_read_subchannel *ch = addr; 649 error = copyout(&info, ch->data, ch->data_len); 650 } 651 return error; 652 } 653 case CDIOCREADSUBCHANNEL_BUF: 654 return mcd_read_subchannel(sc, addr, 655 &((struct ioc_read_subchannel_buf *)addr)->info); 656 case CDIOREADTOCHEADER: 657 return mcd_toc_header(sc, addr); 658 case CDIOREADTOCENTRYS: { 659 struct cd_toc_entry entries[MCD_MAXTOCS]; 660 struct ioc_read_toc_entry *te = addr; 661 int count; 662 if (te->data_len > sizeof entries) 663 return EINVAL; 664 error = mcd_toc_entries(sc, te, entries, &count); 665 if (error == 0) 666 /* Copy the data back. */ 667 error = copyout(entries, te->data, min(te->data_len, 668 count * sizeof(struct cd_toc_entry))); 669 return error; 670 } 671 case CDIOREADTOCENTRIES_BUF: { 672 struct ioc_read_toc_entry_buf *te = addr; 673 int count; 674 if (te->req.data_len > sizeof te->entry) 675 return EINVAL; 676 return mcd_toc_entries(sc, &te->req, te->entry, &count); 677 } 678 case CDIOCSETPATCH: 679 case CDIOCGETVOL: 680 case CDIOCSETVOL: 681 case CDIOCSETMONO: 682 case CDIOCSETSTEREO: 683 case CDIOCSETMUTE: 684 case CDIOCSETLEFT: 685 case CDIOCSETRIGHT: 686 return EINVAL; 687 case CDIOCRESUME: 688 return mcd_resume(sc); 689 case CDIOCPAUSE: 690 return mcd_pause(sc); 691 case CDIOCSTART: 692 return EINVAL; 693 case CDIOCSTOP: 694 return mcd_stop(sc); 695 case DIOCEJECT: 696 if (*(int *)addr == 0) { 697 /* 698 * Don't force eject: check that we are the only 699 * partition open. If so, unlock it. 700 */ 701 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 702 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 703 sc->sc_dk.dk_openmask) { 704 error = mcd_setlock(sc, MCD_LK_UNLOCK); 705 if (error) 706 return (error); 707 } else { 708 return (EBUSY); 709 } 710 } 711 /* FALLTHROUGH */ 712 case CDIOCEJECT: /* FALLTHROUGH */ 713 case ODIOCEJECT: 714 return mcd_eject(sc); 715 case CDIOCALLOW: 716 return mcd_setlock(sc, MCD_LK_UNLOCK); 717 case CDIOCPREVENT: 718 return mcd_setlock(sc, MCD_LK_LOCK); 719 case DIOCLOCK: 720 return mcd_setlock(sc, 721 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 722 case CDIOCSETDEBUG: 723 sc->debug = 1; 724 return 0; 725 case CDIOCCLRDEBUG: 726 sc->debug = 0; 727 return 0; 728 case CDIOCRESET: 729 return mcd_hard_reset(sc); 730 731 default: 732 return ENOTTY; 733 } 734 735 #ifdef DIAGNOSTIC 736 panic("mcdioctl: impossible"); 737 #endif 738 } 739 740 void 741 mcdgetdefaultlabel(sc, lp) 742 struct mcd_softc *sc; 743 struct disklabel *lp; 744 { 745 746 memset(lp, 0, sizeof(struct disklabel)); 747 748 lp->d_secsize = sc->blksize; 749 lp->d_ntracks = 1; 750 lp->d_nsectors = 100; 751 lp->d_ncylinders = (sc->disksize / 100) + 1; 752 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 753 754 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 755 lp->d_type = 0; /* XXX */ 756 strncpy(lp->d_packname, "fictitious", 16); 757 lp->d_secperunit = sc->disksize; 758 lp->d_rpm = 300; 759 lp->d_interleave = 1; 760 lp->d_flags = D_REMOVABLE; 761 762 lp->d_partitions[0].p_offset = 0; 763 lp->d_partitions[0].p_size = 764 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 765 lp->d_partitions[0].p_fstype = FS_ISO9660; 766 lp->d_partitions[RAW_PART].p_offset = 0; 767 lp->d_partitions[RAW_PART].p_size = 768 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 769 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 770 lp->d_npartitions = RAW_PART + 1; 771 772 lp->d_magic = DISKMAGIC; 773 lp->d_magic2 = DISKMAGIC; 774 lp->d_checksum = dkcksum(lp); 775 } 776 777 /* 778 * This could have been taken from scsi/cd.c, but it is not clear 779 * whether the scsi cd driver is linked in. 780 */ 781 void 782 mcdgetdisklabel(sc) 783 struct mcd_softc *sc; 784 { 785 struct disklabel *lp = sc->sc_dk.dk_label; 786 787 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 788 789 mcdgetdefaultlabel(sc, lp); 790 } 791 792 int 793 mcd_get_parms(sc) 794 struct mcd_softc *sc; 795 { 796 struct mcd_mbox mbx; 797 daddr_t size; 798 int error; 799 800 /* Send volume info command. */ 801 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 802 mbx.cmd.length = 0; 803 mbx.res.length = sizeof(mbx.res.data.volinfo); 804 if ((error = mcd_send(sc, &mbx, 1)) != 0) 805 return error; 806 807 if (mbx.res.data.volinfo.trk_low == 0x00 && 808 mbx.res.data.volinfo.trk_high == 0x00) 809 return EINVAL; 810 811 /* Volinfo is OK. */ 812 sc->volinfo = mbx.res.data.volinfo; 813 sc->blksize = MCD_BLKSIZE_COOKED; 814 size = msf2hsg(sc->volinfo.vol_msf, 0); 815 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 816 return 0; 817 } 818 819 int 820 mcdsize(dev_t dev) 821 { 822 823 /* CD-ROMs are read-only. */ 824 return -1; 825 } 826 827 int 828 mcddump(dev_t dev, daddr_t blkno, void *va, 829 size_t size) 830 { 831 832 /* Not implemented. */ 833 return ENXIO; 834 } 835 836 /* 837 * Find the board and fill in the softc. 838 */ 839 int 840 mcd_find(iot, ioh, sc) 841 bus_space_tag_t iot; 842 bus_space_handle_t ioh; 843 struct mcd_softc *sc; 844 { 845 int i; 846 struct mcd_mbox mbx; 847 848 sc->sc_iot = iot; 849 sc->sc_ioh = ioh; 850 851 /* Send a reset. */ 852 bus_space_write_1(iot, ioh, MCD_RESET, 0); 853 delay(1000000); 854 /* Get any pending status and throw away. */ 855 for (i = 10; i; i--) 856 bus_space_read_1(iot, ioh, MCD_STATUS); 857 delay(1000); 858 859 /* Send get status command. */ 860 mbx.cmd.opcode = MCD_CMDGETSTAT; 861 mbx.cmd.length = 0; 862 mbx.res.length = 0; 863 if (mcd_send(sc, &mbx, 0) != 0) 864 return 0; 865 866 /* Get info about the drive. */ 867 mbx.cmd.opcode = MCD_CMDCONTINFO; 868 mbx.cmd.length = 0; 869 mbx.res.length = sizeof(mbx.res.data.continfo); 870 if (mcd_send(sc, &mbx, 0) != 0) 871 return 0; 872 873 /* 874 * The following is code which is not guaranteed to work for all 875 * drives, because the meaning of the expected 'M' is not clear 876 * (M_itsumi is an obvious assumption, but I don't trust that). 877 * Also, the original hack had a bogus condition that always 878 * returned true. 879 * 880 * Note: Which models support interrupts? >=LU005S? 881 */ 882 sc->readcmd = MCD_CMDREADSINGLESPEED; 883 switch (mbx.res.data.continfo.code) { 884 case 'M': 885 if (mbx.res.data.continfo.version <= 2) 886 sc->type = "LU002S"; 887 else if (mbx.res.data.continfo.version <= 5) 888 sc->type = "LU005S"; 889 else 890 sc->type = "LU006S"; 891 break; 892 case 'F': 893 sc->type = "FX001"; 894 break; 895 case 'D': 896 sc->type = "FX001D"; 897 sc->readcmd = MCD_CMDREADDOUBLESPEED; 898 break; 899 default: 900 /* 901 * mcd_send() says the response looked OK but the 902 * drive type is unknown. If mcd_promisc, match anyway. 903 */ 904 if (mcd_promisc != 0) 905 return 0; 906 907 #ifdef MCDDEBUG 908 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 909 device_xname(&sc->sc_dev), 910 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 911 #endif 912 sc->type = 0; 913 break; 914 } 915 916 return 1; 917 918 } 919 920 int 921 mcdprobe(struct device *parent, struct cfdata *match, 922 void *aux) 923 { 924 struct isa_attach_args *ia = aux; 925 struct mcd_softc sc; 926 bus_space_tag_t iot = ia->ia_iot; 927 bus_space_handle_t ioh; 928 int rv; 929 930 if (ia->ia_nio < 1) 931 return (0); 932 if (ia->ia_nirq < 1) 933 return (0); 934 935 if (ISA_DIRECT_CONFIG(ia)) 936 return (0); 937 938 /* Disallow wildcarded i/o address. */ 939 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 940 return (0); 941 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 942 return (0); 943 944 /* Map i/o space */ 945 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 946 return 0; 947 948 sc.debug = 0; 949 sc.probe = 1; 950 951 rv = mcd_find(iot, ioh, &sc); 952 953 bus_space_unmap(iot, ioh, MCD_NPORT); 954 955 if (rv) { 956 ia->ia_nio = 1; 957 ia->ia_io[0].ir_size = MCD_NPORT; 958 959 ia->ia_nirq = 1; 960 961 ia->ia_niomem = 0; 962 ia->ia_ndrq = 0; 963 } 964 965 return (rv); 966 } 967 968 int 969 mcd_getreply(sc) 970 struct mcd_softc *sc; 971 { 972 bus_space_tag_t iot = sc->sc_iot; 973 bus_space_handle_t ioh = sc->sc_ioh; 974 int i; 975 976 /* Wait until xfer port senses data ready. */ 977 for (i = DELAY_GETREPLY; i; i--) { 978 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 979 MCD_XF_STATUSUNAVAIL) == 0) 980 break; 981 delay(DELAY_GRANULARITY); 982 } 983 if (!i) 984 return -1; 985 986 /* Get the data. */ 987 return bus_space_read_1(iot, ioh, MCD_STATUS); 988 } 989 990 int 991 mcd_getstat(sc) 992 struct mcd_softc *sc; 993 { 994 struct mcd_mbox mbx; 995 996 mbx.cmd.opcode = MCD_CMDGETSTAT; 997 mbx.cmd.length = 0; 998 mbx.res.length = 0; 999 return mcd_send(sc, &mbx, 1); 1000 } 1001 1002 int 1003 mcd_getresult(sc, res) 1004 struct mcd_softc *sc; 1005 struct mcd_result *res; 1006 { 1007 int i, x; 1008 1009 if (sc->debug) 1010 printf("%s: mcd_getresult: %d", device_xname(&sc->sc_dev), 1011 res->length); 1012 1013 if ((x = mcd_getreply(sc)) < 0) { 1014 if (sc->debug) 1015 printf(" timeout\n"); 1016 else if (!sc->probe) 1017 printf("%s: timeout in getresult\n", device_xname(&sc->sc_dev)); 1018 return EIO; 1019 } 1020 if (sc->debug) 1021 printf(" %02x", (u_int)x); 1022 sc->status = x; 1023 mcd_setflags(sc); 1024 1025 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1026 return EINVAL; 1027 1028 for (i = 0; i < res->length; i++) { 1029 if ((x = mcd_getreply(sc)) < 0) { 1030 if (sc->debug) 1031 printf(" timeout\n"); 1032 else 1033 printf("%s: timeout in getresult\n", device_xname(&sc->sc_dev)); 1034 return EIO; 1035 } 1036 if (sc->debug) 1037 printf(" %02x", (u_int)x); 1038 res->data.raw.data[i] = x; 1039 } 1040 1041 if (sc->debug) 1042 printf(" succeeded\n"); 1043 1044 #ifdef MCDDEBUG 1045 delay(10); 1046 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1047 MCD_XF_STATUSUNAVAIL) == 0) { 1048 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1049 printf("%s: got extra byte %02x during getstatus\n", 1050 device_xname(&sc->sc_dev), (u_int)x); 1051 delay(10); 1052 } 1053 #endif 1054 1055 return 0; 1056 } 1057 1058 void 1059 mcd_setflags(sc) 1060 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(sc, mbx, diskin) 1085 struct mcd_softc *sc; 1086 struct mcd_mbox *mbx; 1087 int diskin; 1088 { 1089 int retry, i, error; 1090 bus_space_tag_t iot = sc->sc_iot; 1091 bus_space_handle_t ioh = sc->sc_ioh; 1092 1093 if (sc->debug) { 1094 printf("%s: mcd_send: %d %02x", device_xname(&sc->sc_dev), 1095 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1096 for (i = 0; i < mbx->cmd.length; i++) 1097 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1098 printf("\n"); 1099 } 1100 1101 for (retry = MCD_RETRIES; retry; retry--) { 1102 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1103 for (i = 0; i < mbx->cmd.length; i++) 1104 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1105 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1106 break; 1107 if (error == EINVAL) 1108 return error; 1109 } 1110 if (!retry) 1111 return error; 1112 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1113 return EIO; 1114 1115 return 0; 1116 } 1117 1118 static int 1119 bcd2bin(b) 1120 bcd_t b; 1121 { 1122 1123 return (b >> 4) * 10 + (b & 15); 1124 } 1125 1126 static bcd_t 1127 bin2bcd(b) 1128 int b; 1129 { 1130 1131 return ((b / 10) << 4) | (b % 10); 1132 } 1133 1134 static void 1135 hsg2msf(hsg, msf) 1136 int hsg; 1137 bcd_t *msf; 1138 { 1139 1140 hsg += 150; 1141 F_msf(msf) = bin2bcd(hsg % 75); 1142 hsg /= 75; 1143 S_msf(msf) = bin2bcd(hsg % 60); 1144 hsg /= 60; 1145 M_msf(msf) = bin2bcd(hsg); 1146 } 1147 1148 static daddr_t 1149 msf2hsg(msf, relative) 1150 bcd_t *msf; 1151 int relative; 1152 { 1153 daddr_t blkno; 1154 1155 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1156 bcd2bin(S_msf(msf)) * 75 + 1157 bcd2bin(F_msf(msf)); 1158 if (!relative) 1159 blkno -= 150; 1160 return blkno; 1161 } 1162 1163 void 1164 mcd_pseudointr(v) 1165 void *v; 1166 { 1167 struct mcd_softc *sc = v; 1168 int s; 1169 1170 s = splbio(); 1171 (void) mcdintr(sc); 1172 splx(s); 1173 } 1174 1175 /* 1176 * State machine to process read requests. 1177 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1178 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1179 * MCD_S_WAITREAD: wait for read ready, read data. 1180 */ 1181 int 1182 mcdintr(arg) 1183 void *arg; 1184 { 1185 struct mcd_softc *sc = arg; 1186 struct mcd_mbx *mbx = &sc->mbx; 1187 struct buf *bp = mbx->bp; 1188 bus_space_tag_t iot = sc->sc_iot; 1189 bus_space_handle_t ioh = sc->sc_ioh; 1190 1191 int i; 1192 u_char x; 1193 bcd_t msf[3]; 1194 1195 switch (mbx->state) { 1196 case MCD_S_IDLE: 1197 return 0; 1198 1199 case MCD_S_BEGIN: 1200 tryagain: 1201 if (mbx->mode == sc->lastmode) 1202 goto firstblock; 1203 1204 sc->lastmode = MCD_MD_UNKNOWN; 1205 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1206 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1207 1208 mbx->count = RDELAY_WAITMODE; 1209 mbx->state = MCD_S_WAITMODE; 1210 1211 case MCD_S_WAITMODE: 1212 callout_stop(&sc->sc_pintr_ch); 1213 for (i = 20; i; i--) { 1214 x = bus_space_read_1(iot, ioh, MCD_XFER); 1215 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1216 break; 1217 delay(50); 1218 } 1219 if (i == 0) 1220 goto hold; 1221 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1222 mcd_setflags(sc); 1223 if ((sc->flags & MCDF_LOADED) == 0) 1224 goto changed; 1225 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1226 RDELAY_WAITMODE - mbx->count); 1227 1228 sc->lastmode = mbx->mode; 1229 1230 firstblock: 1231 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1232 (int) mbx->blkno, bp); 1233 1234 /* Build parameter block. */ 1235 hsg2msf(mbx->blkno, msf); 1236 1237 /* Send the read command. */ 1238 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1239 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1240 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1241 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1242 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1243 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1244 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1245 1246 mbx->count = RDELAY_WAITREAD; 1247 mbx->state = MCD_S_WAITREAD; 1248 1249 case MCD_S_WAITREAD: 1250 callout_stop(&sc->sc_pintr_ch); 1251 nextblock: 1252 loop: 1253 for (i = 20; i; i--) { 1254 x = bus_space_read_1(iot, ioh, MCD_XFER); 1255 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1256 goto gotblock; 1257 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1258 break; 1259 delay(50); 1260 } 1261 if (i == 0) 1262 goto hold; 1263 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1264 mcd_setflags(sc); 1265 if ((sc->flags & MCDF_LOADED) == 0) 1266 goto changed; 1267 #if 0 1268 printf("%s: got status byte %02x during read\n", 1269 device_xname(&sc->sc_dev), (u_int)sc->status); 1270 #endif 1271 goto loop; 1272 1273 gotblock: 1274 MCD_TRACE("doread: got data delay=%d\n", 1275 RDELAY_WAITREAD - mbx->count); 1276 1277 /* Data is ready. */ 1278 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1279 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1280 (char *)bp->b_data + mbx->skip, mbx->sz); 1281 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1282 mbx->blkno += 1; 1283 mbx->skip += mbx->sz; 1284 if (--mbx->nblk > 0) 1285 goto nextblock; 1286 1287 mbx->state = MCD_S_IDLE; 1288 1289 /* Return buffer. */ 1290 bp->b_resid = 0; 1291 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1292 biodone(bp); 1293 1294 mcdstart(sc); 1295 return 1; 1296 1297 hold: 1298 if (mbx->count-- < 0) { 1299 printf("%s: timeout in state %d", 1300 device_xname(&sc->sc_dev), mbx->state); 1301 goto readerr; 1302 } 1303 1304 #if 0 1305 printf("%s: sleep in state %d\n", device_xname(&sc->sc_dev), 1306 mbx->state); 1307 #endif 1308 callout_reset(&sc->sc_pintr_ch, hz / 100, 1309 mcd_pseudointr, sc); 1310 return -1; 1311 } 1312 1313 readerr: 1314 if (mbx->retry-- > 0) { 1315 printf("; retrying\n"); 1316 goto tryagain; 1317 } else 1318 printf("; giving up\n"); 1319 1320 changed: 1321 /* Invalidate the buffer. */ 1322 bp->b_error = EIO; 1323 bp->b_resid = bp->b_bcount - mbx->skip; 1324 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1325 (bp->b_flags & B_READ)); 1326 biodone(bp); 1327 1328 mcdstart(sc); 1329 return -1; 1330 1331 #ifdef notyet 1332 printf("%s: unit timeout; resetting\n", device_xname(&sc->sc_dev)); 1333 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1334 delay(300000); 1335 (void) mcd_getstat(sc, 1); 1336 (void) mcd_getstat(sc, 1); 1337 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1338 sc->debug = 1; /* preventive set debug mode */ 1339 #endif 1340 } 1341 1342 void 1343 mcd_soft_reset(sc) 1344 struct mcd_softc *sc; 1345 { 1346 1347 sc->debug = 0; 1348 sc->flags = 0; 1349 sc->lastmode = MCD_MD_UNKNOWN; 1350 sc->lastupc = MCD_UPC_UNKNOWN; 1351 sc->audio_status = CD_AS_AUDIO_INVALID; 1352 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1353 } 1354 1355 int 1356 mcd_hard_reset(sc) 1357 struct mcd_softc *sc; 1358 { 1359 struct mcd_mbox mbx; 1360 1361 mcd_soft_reset(sc); 1362 1363 mbx.cmd.opcode = MCD_CMDRESET; 1364 mbx.cmd.length = 0; 1365 mbx.res.length = 0; 1366 return mcd_send(sc, &mbx, 0); 1367 } 1368 1369 int 1370 mcd_setmode(sc, mode) 1371 struct mcd_softc *sc; 1372 int mode; 1373 { 1374 struct mcd_mbox mbx; 1375 int error; 1376 1377 if (sc->lastmode == mode) 1378 return 0; 1379 if (sc->debug) 1380 printf("%s: setting mode to %d\n", device_xname(&sc->sc_dev), mode); 1381 sc->lastmode = MCD_MD_UNKNOWN; 1382 1383 mbx.cmd.opcode = MCD_CMDSETMODE; 1384 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1385 mbx.cmd.data.datamode.mode = mode; 1386 mbx.res.length = 0; 1387 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1388 return error; 1389 1390 sc->lastmode = mode; 1391 return 0; 1392 } 1393 1394 int 1395 mcd_setupc(sc, upc) 1396 struct mcd_softc *sc; 1397 int upc; 1398 { 1399 struct mcd_mbox mbx; 1400 int error; 1401 1402 if (sc->lastupc == upc) 1403 return 0; 1404 if (sc->debug) 1405 printf("%s: setting upc to %d\n", device_xname(&sc->sc_dev), upc); 1406 sc->lastupc = MCD_UPC_UNKNOWN; 1407 1408 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1409 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1410 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1411 mbx.cmd.data.config.data1 = upc; 1412 mbx.res.length = 0; 1413 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1414 return error; 1415 1416 sc->lastupc = upc; 1417 return 0; 1418 } 1419 1420 int 1421 mcd_toc_header(sc, th) 1422 struct mcd_softc *sc; 1423 struct ioc_toc_header *th; 1424 { 1425 1426 if (sc->debug) 1427 printf("%s: mcd_toc_header: reading toc header\n", 1428 device_xname(&sc->sc_dev)); 1429 1430 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1431 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1432 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1433 1434 return 0; 1435 } 1436 1437 int 1438 mcd_read_toc(sc) 1439 struct mcd_softc *sc; 1440 { 1441 struct ioc_toc_header th; 1442 union mcd_qchninfo q; 1443 int error, trk, idx, retry; 1444 1445 if ((error = mcd_toc_header(sc, &th)) != 0) 1446 return error; 1447 1448 if ((error = mcd_stop(sc)) != 0) 1449 return error; 1450 1451 if (sc->debug) 1452 printf("%s: read_toc: reading qchannel info\n", 1453 device_xname(&sc->sc_dev)); 1454 1455 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1456 sc->toc[trk].toc.idx_no = 0x00; 1457 trk = th.ending_track - th.starting_track + 1; 1458 for (retry = 300; retry && trk > 0; retry--) { 1459 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1460 break; 1461 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1462 continue; 1463 idx = bcd2bin(q.toc.idx_no); 1464 if (idx < MCD_MAXTOCS && 1465 sc->toc[idx].toc.idx_no == 0x00) { 1466 sc->toc[idx] = q; 1467 trk--; 1468 } 1469 } 1470 1471 /* Inform the drive that we're finished so it turns off the light. */ 1472 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1473 return error; 1474 1475 if (trk != 0) 1476 return EINVAL; 1477 1478 /* Add a fake last+1 for mcd_playtracks(). */ 1479 idx = th.ending_track + 1; 1480 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1481 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1482 sc->toc[idx].toc.trk_no = 0x00; 1483 sc->toc[idx].toc.idx_no = 0xaa; 1484 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1485 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1486 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1487 1488 return 0; 1489 } 1490 1491 int 1492 mcd_toc_entries(sc, te, entries, count) 1493 struct mcd_softc *sc; 1494 struct ioc_read_toc_entry *te; 1495 struct cd_toc_entry *entries; 1496 int *count; 1497 { 1498 int len = te->data_len; 1499 struct ioc_toc_header header; 1500 u_char trk; 1501 daddr_t lba; 1502 int error, n; 1503 1504 if (len < sizeof(struct cd_toc_entry)) 1505 return EINVAL; 1506 if (te->address_format != CD_MSF_FORMAT && 1507 te->address_format != CD_LBA_FORMAT) 1508 return EINVAL; 1509 1510 /* Copy the TOC header. */ 1511 if ((error = mcd_toc_header(sc, &header)) != 0) 1512 return error; 1513 1514 /* Verify starting track. */ 1515 trk = te->starting_track; 1516 if (trk == 0x00) 1517 trk = header.starting_track; 1518 else if (trk == 0xaa) 1519 trk = header.ending_track + 1; 1520 else if (trk < header.starting_track || 1521 trk > header.ending_track + 1) 1522 return EINVAL; 1523 1524 /* Copy the TOC data. */ 1525 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1526 if (n * sizeof entries[0] > len) 1527 break; 1528 if (sc->toc[trk].toc.idx_no == 0x00) 1529 continue; 1530 entries[n].control = sc->toc[trk].toc.control; 1531 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1532 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1533 switch (te->address_format) { 1534 case CD_MSF_FORMAT: 1535 entries[n].addr.addr[0] = 0; 1536 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1537 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1538 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1539 break; 1540 case CD_LBA_FORMAT: 1541 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1542 entries[n].addr.addr[0] = lba >> 24; 1543 entries[n].addr.addr[1] = lba >> 16; 1544 entries[n].addr.addr[2] = lba >> 8; 1545 entries[n].addr.addr[3] = lba; 1546 break; 1547 } 1548 } 1549 1550 *count = n; 1551 return 0; 1552 } 1553 1554 int 1555 mcd_stop(sc) 1556 struct mcd_softc *sc; 1557 { 1558 struct mcd_mbox mbx; 1559 int error; 1560 1561 if (sc->debug) 1562 printf("%s: mcd_stop: stopping play\n", device_xname(&sc->sc_dev)); 1563 1564 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1565 mbx.cmd.length = 0; 1566 mbx.res.length = 0; 1567 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1568 return error; 1569 1570 sc->audio_status = CD_AS_PLAY_COMPLETED; 1571 return 0; 1572 } 1573 1574 int 1575 mcd_getqchan(sc, q, qchn) 1576 struct mcd_softc *sc; 1577 union mcd_qchninfo *q; 1578 int qchn; 1579 { 1580 struct mcd_mbox mbx; 1581 int error; 1582 1583 if (qchn == CD_TRACK_INFO) { 1584 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1585 return error; 1586 } else { 1587 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1588 return error; 1589 } 1590 if (qchn == CD_MEDIA_CATALOG) { 1591 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1592 return error; 1593 } else { 1594 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1595 return error; 1596 } 1597 1598 mbx.cmd.opcode = MCD_CMDGETQCHN; 1599 mbx.cmd.length = 0; 1600 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1601 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1602 return error; 1603 1604 *q = mbx.res.data.qchninfo; 1605 return 0; 1606 } 1607 1608 int 1609 mcd_read_subchannel(sc, ch, info) 1610 struct mcd_softc *sc; 1611 struct ioc_read_subchannel *ch; 1612 struct cd_sub_channel_info *info; 1613 { 1614 int len = ch->data_len; 1615 union mcd_qchninfo q; 1616 daddr_t lba; 1617 int error; 1618 1619 if (sc->debug) 1620 printf("%s: subchan: af=%d df=%d\n", device_xname(&sc->sc_dev), 1621 ch->address_format, ch->data_format); 1622 1623 if (len > sizeof(*info) || len < sizeof(info->header)) 1624 return EINVAL; 1625 if (ch->address_format != CD_MSF_FORMAT && 1626 ch->address_format != CD_LBA_FORMAT) 1627 return EINVAL; 1628 if (ch->data_format != CD_CURRENT_POSITION && 1629 ch->data_format != CD_MEDIA_CATALOG) 1630 return EINVAL; 1631 1632 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1633 return error; 1634 1635 info->header.audio_status = sc->audio_status; 1636 info->what.media_catalog.data_format = ch->data_format; 1637 1638 switch (ch->data_format) { 1639 case CD_MEDIA_CATALOG: 1640 info->what.media_catalog.mc_valid = 1; 1641 #if 0 1642 info->what.media_catalog.mc_number = 1643 #endif 1644 break; 1645 1646 case CD_CURRENT_POSITION: 1647 info->what.position.track_number = bcd2bin(q.current.trk_no); 1648 info->what.position.index_number = bcd2bin(q.current.idx_no); 1649 switch (ch->address_format) { 1650 case CD_MSF_FORMAT: 1651 info->what.position.reladdr.addr[0] = 0; 1652 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1653 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1654 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1655 info->what.position.absaddr.addr[0] = 0; 1656 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1657 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1658 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1659 break; 1660 case CD_LBA_FORMAT: 1661 lba = msf2hsg(q.current.relative_pos, 1); 1662 /* 1663 * Pre-gap has index number of 0, and decreasing MSF 1664 * address. Must be converted to negative LBA, per 1665 * SCSI spec. 1666 */ 1667 if (info->what.position.index_number == 0x00) 1668 lba = -lba; 1669 info->what.position.reladdr.addr[0] = lba >> 24; 1670 info->what.position.reladdr.addr[1] = lba >> 16; 1671 info->what.position.reladdr.addr[2] = lba >> 8; 1672 info->what.position.reladdr.addr[3] = lba; 1673 lba = msf2hsg(q.current.absolute_pos, 0); 1674 info->what.position.absaddr.addr[0] = lba >> 24; 1675 info->what.position.absaddr.addr[1] = lba >> 16; 1676 info->what.position.absaddr.addr[2] = lba >> 8; 1677 info->what.position.absaddr.addr[3] = lba; 1678 break; 1679 } 1680 break; 1681 } 1682 1683 return 0; 1684 } 1685 1686 int 1687 mcd_playtracks(sc, p) 1688 struct mcd_softc *sc; 1689 struct ioc_play_track *p; 1690 { 1691 struct mcd_mbox mbx; 1692 int a = p->start_track; 1693 int z = p->end_track; 1694 int error; 1695 1696 if (sc->debug) 1697 printf("%s: playtracks: from %d:%d to %d:%d\n", 1698 device_xname(&sc->sc_dev), 1699 a, p->start_index, z, p->end_index); 1700 1701 if (a < bcd2bin(sc->volinfo.trk_low) || 1702 a > bcd2bin(sc->volinfo.trk_high) || 1703 a > z || 1704 z < bcd2bin(sc->volinfo.trk_low) || 1705 z > bcd2bin(sc->volinfo.trk_high)) 1706 return EINVAL; 1707 1708 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1709 return error; 1710 1711 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1712 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1713 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1714 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1715 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1716 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1717 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1718 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1719 sc->lastpb = mbx.cmd; 1720 mbx.res.length = 0; 1721 return mcd_send(sc, &mbx, 1); 1722 } 1723 1724 int 1725 mcd_playmsf(sc, p) 1726 struct mcd_softc *sc; 1727 struct ioc_play_msf *p; 1728 { 1729 struct mcd_mbox mbx; 1730 int error; 1731 1732 if (sc->debug) 1733 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1734 device_xname(&sc->sc_dev), 1735 p->start_m, p->start_s, p->start_f, 1736 p->end_m, p->end_s, p->end_f); 1737 1738 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1739 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1740 return EINVAL; 1741 1742 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1743 return error; 1744 1745 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1746 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1747 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1748 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1749 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1750 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1751 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1752 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1753 sc->lastpb = mbx.cmd; 1754 mbx.res.length = 0; 1755 return mcd_send(sc, &mbx, 1); 1756 } 1757 1758 int 1759 mcd_playblocks(sc, p) 1760 struct mcd_softc *sc; 1761 struct ioc_play_blocks *p; 1762 { 1763 struct mcd_mbox mbx; 1764 int error; 1765 1766 if (sc->debug) 1767 printf("%s: playblocks: blkno %d length %d\n", 1768 device_xname(&sc->sc_dev), p->blk, p->len); 1769 1770 if (p->blk > sc->disksize || p->len > sc->disksize || 1771 (p->blk + p->len) > sc->disksize) 1772 return 0; 1773 1774 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1775 return error; 1776 1777 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1778 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1779 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1780 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1781 sc->lastpb = mbx.cmd; 1782 mbx.res.length = 0; 1783 return mcd_send(sc, &mbx, 1); 1784 } 1785 1786 int 1787 mcd_pause(sc) 1788 struct mcd_softc *sc; 1789 { 1790 union mcd_qchninfo q; 1791 int error; 1792 1793 /* Verify current status. */ 1794 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1795 printf("%s: pause: attempted when not playing\n", 1796 device_xname(&sc->sc_dev)); 1797 return EINVAL; 1798 } 1799 1800 /* Get the current position. */ 1801 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1802 return error; 1803 1804 /* Copy it into lastpb. */ 1805 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1806 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1807 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1808 1809 /* Stop playing. */ 1810 if ((error = mcd_stop(sc)) != 0) 1811 return error; 1812 1813 /* Set the proper status and exit. */ 1814 sc->audio_status = CD_AS_PLAY_PAUSED; 1815 return 0; 1816 } 1817 1818 int 1819 mcd_resume(sc) 1820 struct mcd_softc *sc; 1821 { 1822 struct mcd_mbox mbx; 1823 int error; 1824 1825 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1826 return EINVAL; 1827 1828 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1829 return error; 1830 1831 mbx.cmd = sc->lastpb; 1832 mbx.res.length = 0; 1833 return mcd_send(sc, &mbx, 1); 1834 } 1835 1836 int 1837 mcd_eject(sc) 1838 struct mcd_softc *sc; 1839 { 1840 struct mcd_mbox mbx; 1841 1842 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1843 mbx.cmd.length = 0; 1844 mbx.res.length = 0; 1845 return mcd_send(sc, &mbx, 0); 1846 } 1847 1848 int 1849 mcd_setlock(sc, mode) 1850 struct mcd_softc *sc; 1851 int mode; 1852 { 1853 struct mcd_mbox mbx; 1854 1855 mbx.cmd.opcode = MCD_CMDSETLOCK; 1856 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1857 mbx.cmd.data.lockmode.mode = mode; 1858 mbx.res.length = 0; 1859 return mcd_send(sc, &mbx, 1); 1860 } 1861
Indexes created Tue Sep 30 10:09:55 GMT 2025