mcd.c revision 1.101
1 /* $NetBSD: mcd.c,v 1.101 2007/10/08 16:41:11 ad 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 1.101 2007/10/08 16:41:11 ad 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 79 #include <machine/cpu.h> 80 #include <machine/intr.h> 81 #include <machine/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: ", sc->sc_dev.dv_xname, 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 struct lock 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 lockinit(&sc->sc_lock, PRIBIO | PCATCH, "mcdlock", 0, 0); 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, sc->sc_dev.dv_xname, &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(&mcd_cd, MCDUNIT(dev)); 298 if (sc == NULL) 299 return ENXIO; 300 301 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 302 return error; 303 304 if (sc->sc_dk.dk_openmask != 0) { 305 /* 306 * If any partition is open, but the disk has been invalidated, 307 * disallow further opens. 308 */ 309 if ((sc->flags & MCDF_LOADED) == 0) { 310 error = EIO; 311 goto bad3; 312 } 313 } else { 314 /* 315 * Lock the drawer. This will also notice any pending disk 316 * change or door open indicator and clear the MCDF_LOADED bit 317 * if necessary. 318 */ 319 (void) mcd_setlock(sc, MCD_LK_LOCK); 320 321 if ((sc->flags & MCDF_LOADED) == 0) { 322 /* Partially reset the state. */ 323 sc->lastmode = MCD_MD_UNKNOWN; 324 sc->lastupc = MCD_UPC_UNKNOWN; 325 326 sc->flags |= MCDF_LOADED; 327 328 /* Set the mode, causing the disk to spin up. */ 329 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 330 goto bad2; 331 332 /* Load the physical device parameters. */ 333 if (mcd_get_parms(sc) != 0) { 334 error = ENXIO; 335 goto bad2; 336 } 337 338 /* Read the table of contents. */ 339 if ((error = mcd_read_toc(sc)) != 0) 340 goto bad2; 341 342 /* Fabricate a disk label. */ 343 mcdgetdisklabel(sc); 344 } 345 } 346 347 part = MCDPART(dev); 348 349 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 350 sc->disksize, sc->blksize); 351 352 /* Check that the partition exists. */ 353 if (part != RAW_PART && 354 (part >= sc->sc_dk.dk_label->d_npartitions || 355 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 356 error = ENXIO; 357 goto bad; 358 } 359 360 /* Insure only one open at a time. */ 361 switch (fmt) { 362 case S_IFCHR: 363 sc->sc_dk.dk_copenmask |= (1 << part); 364 break; 365 case S_IFBLK: 366 sc->sc_dk.dk_bopenmask |= (1 << part); 367 break; 368 } 369 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 370 371 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 372 return 0; 373 374 bad2: 375 sc->flags &= ~MCDF_LOADED; 376 377 bad: 378 if (sc->sc_dk.dk_openmask == 0) { 379 #if 0 380 (void) mcd_setmode(sc, MCD_MD_SLEEP); 381 #endif 382 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 383 } 384 385 bad3: 386 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 387 return error; 388 } 389 390 int 391 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 392 { 393 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 394 int part = MCDPART(dev); 395 int error; 396 397 MCD_TRACE("close: partition=%d\n", part); 398 399 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 400 return error; 401 402 switch (fmt) { 403 case S_IFCHR: 404 sc->sc_dk.dk_copenmask &= ~(1 << part); 405 break; 406 case S_IFBLK: 407 sc->sc_dk.dk_bopenmask &= ~(1 << part); 408 break; 409 } 410 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 411 412 if (sc->sc_dk.dk_openmask == 0) { 413 /* XXXX Must wait for I/O to complete! */ 414 415 #if 0 416 (void) mcd_setmode(sc, MCD_MD_SLEEP); 417 #endif 418 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 419 } 420 421 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 422 return 0; 423 } 424 425 void 426 mcdstrategy(bp) 427 struct buf *bp; 428 { 429 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 430 struct disklabel *lp = sc->sc_dk.dk_label; 431 daddr_t blkno; 432 int s; 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 sc->sc_dev.dv_xname, 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(&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 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 609 return error; 610 sc->flags |= MCDF_LABELLING; 611 612 error = setdisklabel(sc->sc_dk.dk_label, 613 lp, /*sc->sc_dk.dk_openmask : */0, 614 sc->sc_dk.dk_cpulabel); 615 if (error == 0) { 616 } 617 618 sc->flags &= ~MCDF_LABELLING; 619 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 620 return error; 621 } 622 623 case DIOCWLABEL: 624 return EBADF; 625 626 case DIOCGDEFLABEL: 627 mcdgetdefaultlabel(sc, addr); 628 return 0; 629 630 #ifdef __HAVE_OLD_DISKLABEL 631 case ODIOCGDEFLABEL: 632 mcdgetdefaultlabel(sc, &newlabel); 633 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 634 return ENOTTY; 635 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 636 return 0; 637 #endif 638 639 case CDIOCPLAYTRACKS: 640 return mcd_playtracks(sc, addr); 641 case CDIOCPLAYMSF: 642 return mcd_playmsf(sc, addr); 643 case CDIOCPLAYBLOCKS: 644 return mcd_playblocks(sc, addr); 645 case CDIOCREADSUBCHANNEL: { 646 struct cd_sub_channel_info info; 647 error = mcd_read_subchannel(sc, addr, &info); 648 if (error != 0) { 649 struct ioc_read_subchannel *ch = addr; 650 error = copyout(&info, ch->data, ch->data_len); 651 } 652 return error; 653 } 654 case CDIOCREADSUBCHANNEL_BUF: 655 return mcd_read_subchannel(sc, addr, 656 &((struct ioc_read_subchannel_buf *)addr)->info); 657 case CDIOREADTOCHEADER: 658 return mcd_toc_header(sc, addr); 659 case CDIOREADTOCENTRYS: { 660 struct cd_toc_entry entries[MCD_MAXTOCS]; 661 struct ioc_read_toc_entry *te = addr; 662 int count; 663 if (te->data_len > sizeof entries) 664 return EINVAL; 665 error = mcd_toc_entries(sc, te, entries, &count); 666 if (error == 0) 667 /* Copy the data back. */ 668 error = copyout(entries, te->data, min(te->data_len, 669 count * sizeof(struct cd_toc_entry))); 670 return error; 671 } 672 case CDIOREADTOCENTRIES_BUF: { 673 struct ioc_read_toc_entry_buf *te = addr; 674 int count; 675 if (te->req.data_len > sizeof te->entry) 676 return EINVAL; 677 return mcd_toc_entries(sc, &te->req, te->entry, &count); 678 } 679 case CDIOCSETPATCH: 680 case CDIOCGETVOL: 681 case CDIOCSETVOL: 682 case CDIOCSETMONO: 683 case CDIOCSETSTEREO: 684 case CDIOCSETMUTE: 685 case CDIOCSETLEFT: 686 case CDIOCSETRIGHT: 687 return EINVAL; 688 case CDIOCRESUME: 689 return mcd_resume(sc); 690 case CDIOCPAUSE: 691 return mcd_pause(sc); 692 case CDIOCSTART: 693 return EINVAL; 694 case CDIOCSTOP: 695 return mcd_stop(sc); 696 case DIOCEJECT: 697 if (*(int *)addr == 0) { 698 /* 699 * Don't force eject: check that we are the only 700 * partition open. If so, unlock it. 701 */ 702 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 703 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 704 sc->sc_dk.dk_openmask) { 705 error = mcd_setlock(sc, MCD_LK_UNLOCK); 706 if (error) 707 return (error); 708 } else { 709 return (EBUSY); 710 } 711 } 712 /* FALLTHROUGH */ 713 case CDIOCEJECT: /* FALLTHROUGH */ 714 case ODIOCEJECT: 715 return mcd_eject(sc); 716 case CDIOCALLOW: 717 return mcd_setlock(sc, MCD_LK_UNLOCK); 718 case CDIOCPREVENT: 719 return mcd_setlock(sc, MCD_LK_LOCK); 720 case DIOCLOCK: 721 return mcd_setlock(sc, 722 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 723 case CDIOCSETDEBUG: 724 sc->debug = 1; 725 return 0; 726 case CDIOCCLRDEBUG: 727 sc->debug = 0; 728 return 0; 729 case CDIOCRESET: 730 return mcd_hard_reset(sc); 731 732 default: 733 return ENOTTY; 734 } 735 736 #ifdef DIAGNOSTIC 737 panic("mcdioctl: impossible"); 738 #endif 739 } 740 741 void 742 mcdgetdefaultlabel(sc, lp) 743 struct mcd_softc *sc; 744 struct disklabel *lp; 745 { 746 747 memset(lp, 0, sizeof(struct disklabel)); 748 749 lp->d_secsize = sc->blksize; 750 lp->d_ntracks = 1; 751 lp->d_nsectors = 100; 752 lp->d_ncylinders = (sc->disksize / 100) + 1; 753 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 754 755 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 756 lp->d_type = 0; /* XXX */ 757 strncpy(lp->d_packname, "fictitious", 16); 758 lp->d_secperunit = sc->disksize; 759 lp->d_rpm = 300; 760 lp->d_interleave = 1; 761 lp->d_flags = D_REMOVABLE; 762 763 lp->d_partitions[0].p_offset = 0; 764 lp->d_partitions[0].p_size = 765 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 766 lp->d_partitions[0].p_fstype = FS_ISO9660; 767 lp->d_partitions[RAW_PART].p_offset = 0; 768 lp->d_partitions[RAW_PART].p_size = 769 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 770 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 771 lp->d_npartitions = RAW_PART + 1; 772 773 lp->d_magic = DISKMAGIC; 774 lp->d_magic2 = DISKMAGIC; 775 lp->d_checksum = dkcksum(lp); 776 } 777 778 /* 779 * This could have been taken from scsi/cd.c, but it is not clear 780 * whether the scsi cd driver is linked in. 781 */ 782 void 783 mcdgetdisklabel(sc) 784 struct mcd_softc *sc; 785 { 786 struct disklabel *lp = sc->sc_dk.dk_label; 787 788 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 789 790 mcdgetdefaultlabel(sc, lp); 791 } 792 793 int 794 mcd_get_parms(sc) 795 struct mcd_softc *sc; 796 { 797 struct mcd_mbox mbx; 798 daddr_t size; 799 int error; 800 801 /* Send volume info command. */ 802 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 803 mbx.cmd.length = 0; 804 mbx.res.length = sizeof(mbx.res.data.volinfo); 805 if ((error = mcd_send(sc, &mbx, 1)) != 0) 806 return error; 807 808 if (mbx.res.data.volinfo.trk_low == 0x00 && 809 mbx.res.data.volinfo.trk_high == 0x00) 810 return EINVAL; 811 812 /* Volinfo is OK. */ 813 sc->volinfo = mbx.res.data.volinfo; 814 sc->blksize = MCD_BLKSIZE_COOKED; 815 size = msf2hsg(sc->volinfo.vol_msf, 0); 816 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 817 return 0; 818 } 819 820 int 821 mcdsize(dev_t dev) 822 { 823 824 /* CD-ROMs are read-only. */ 825 return -1; 826 } 827 828 int 829 mcddump(dev_t dev, daddr_t blkno, void *va, 830 size_t size) 831 { 832 833 /* Not implemented. */ 834 return ENXIO; 835 } 836 837 /* 838 * Find the board and fill in the softc. 839 */ 840 int 841 mcd_find(iot, ioh, sc) 842 bus_space_tag_t iot; 843 bus_space_handle_t ioh; 844 struct mcd_softc *sc; 845 { 846 int i; 847 struct mcd_mbox mbx; 848 849 sc->sc_iot = iot; 850 sc->sc_ioh = ioh; 851 852 /* Send a reset. */ 853 bus_space_write_1(iot, ioh, MCD_RESET, 0); 854 delay(1000000); 855 /* Get any pending status and throw away. */ 856 for (i = 10; i; i--) 857 bus_space_read_1(iot, ioh, MCD_STATUS); 858 delay(1000); 859 860 /* Send get status command. */ 861 mbx.cmd.opcode = MCD_CMDGETSTAT; 862 mbx.cmd.length = 0; 863 mbx.res.length = 0; 864 if (mcd_send(sc, &mbx, 0) != 0) 865 return 0; 866 867 /* Get info about the drive. */ 868 mbx.cmd.opcode = MCD_CMDCONTINFO; 869 mbx.cmd.length = 0; 870 mbx.res.length = sizeof(mbx.res.data.continfo); 871 if (mcd_send(sc, &mbx, 0) != 0) 872 return 0; 873 874 /* 875 * The following is code which is not guaranteed to work for all 876 * drives, because the meaning of the expected 'M' is not clear 877 * (M_itsumi is an obvious assumption, but I don't trust that). 878 * Also, the original hack had a bogus condition that always 879 * returned true. 880 * 881 * Note: Which models support interrupts? >=LU005S? 882 */ 883 sc->readcmd = MCD_CMDREADSINGLESPEED; 884 switch (mbx.res.data.continfo.code) { 885 case 'M': 886 if (mbx.res.data.continfo.version <= 2) 887 sc->type = "LU002S"; 888 else if (mbx.res.data.continfo.version <= 5) 889 sc->type = "LU005S"; 890 else 891 sc->type = "LU006S"; 892 break; 893 case 'F': 894 sc->type = "FX001"; 895 break; 896 case 'D': 897 sc->type = "FX001D"; 898 sc->readcmd = MCD_CMDREADDOUBLESPEED; 899 break; 900 default: 901 /* 902 * mcd_send() says the response looked OK but the 903 * drive type is unknown. If mcd_promisc, match anyway. 904 */ 905 if (mcd_promisc != 0) 906 return 0; 907 908 #ifdef MCDDEBUG 909 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 910 sc->sc_dev.dv_xname, 911 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 912 #endif 913 sc->type = 0; 914 break; 915 } 916 917 return 1; 918 919 } 920 921 int 922 mcdprobe(struct device *parent, struct cfdata *match, 923 void *aux) 924 { 925 struct isa_attach_args *ia = aux; 926 struct mcd_softc sc; 927 bus_space_tag_t iot = ia->ia_iot; 928 bus_space_handle_t ioh; 929 int rv; 930 931 if (ia->ia_nio < 1) 932 return (0); 933 if (ia->ia_nirq < 1) 934 return (0); 935 936 if (ISA_DIRECT_CONFIG(ia)) 937 return (0); 938 939 /* Disallow wildcarded i/o address. */ 940 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 941 return (0); 942 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 943 return (0); 944 945 /* Map i/o space */ 946 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 947 return 0; 948 949 sc.debug = 0; 950 sc.probe = 1; 951 952 rv = mcd_find(iot, ioh, &sc); 953 954 bus_space_unmap(iot, ioh, MCD_NPORT); 955 956 if (rv) { 957 ia->ia_nio = 1; 958 ia->ia_io[0].ir_size = MCD_NPORT; 959 960 ia->ia_nirq = 1; 961 962 ia->ia_niomem = 0; 963 ia->ia_ndrq = 0; 964 } 965 966 return (rv); 967 } 968 969 int 970 mcd_getreply(sc) 971 struct mcd_softc *sc; 972 { 973 bus_space_tag_t iot = sc->sc_iot; 974 bus_space_handle_t ioh = sc->sc_ioh; 975 int i; 976 977 /* Wait until xfer port senses data ready. */ 978 for (i = DELAY_GETREPLY; i; i--) { 979 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 980 MCD_XF_STATUSUNAVAIL) == 0) 981 break; 982 delay(DELAY_GRANULARITY); 983 } 984 if (!i) 985 return -1; 986 987 /* Get the data. */ 988 return bus_space_read_1(iot, ioh, MCD_STATUS); 989 } 990 991 int 992 mcd_getstat(sc) 993 struct mcd_softc *sc; 994 { 995 struct mcd_mbox mbx; 996 997 mbx.cmd.opcode = MCD_CMDGETSTAT; 998 mbx.cmd.length = 0; 999 mbx.res.length = 0; 1000 return mcd_send(sc, &mbx, 1); 1001 } 1002 1003 int 1004 mcd_getresult(sc, res) 1005 struct mcd_softc *sc; 1006 struct mcd_result *res; 1007 { 1008 int i, x; 1009 1010 if (sc->debug) 1011 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 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", sc->sc_dev.dv_xname); 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", sc->sc_dev.dv_xname); 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 sc->sc_dev.dv_xname, (u_int)x); 1052 delay(10); 1053 } 1054 #endif 1055 1056 return 0; 1057 } 1058 1059 void 1060 mcd_setflags(sc) 1061 struct mcd_softc *sc; 1062 { 1063 1064 /* Check flags. */ 1065 if ((sc->flags & MCDF_LOADED) != 0 && 1066 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1067 MCD_ST_DSKIN) { 1068 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1069 printf("%s: door open\n", sc->sc_dev.dv_xname); 1070 else if ((sc->status & MCD_ST_DSKIN) == 0) 1071 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1072 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1073 printf("%s: media change\n", sc->sc_dev.dv_xname); 1074 sc->flags &= ~MCDF_LOADED; 1075 } 1076 1077 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1078 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1079 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1080 sc->audio_status == CD_AS_AUDIO_INVALID) 1081 sc->audio_status = CD_AS_PLAY_COMPLETED; 1082 } 1083 1084 int 1085 mcd_send(sc, mbx, diskin) 1086 struct mcd_softc *sc; 1087 struct mcd_mbox *mbx; 1088 int diskin; 1089 { 1090 int retry, i, error; 1091 bus_space_tag_t iot = sc->sc_iot; 1092 bus_space_handle_t ioh = sc->sc_ioh; 1093 1094 if (sc->debug) { 1095 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1096 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1097 for (i = 0; i < mbx->cmd.length; i++) 1098 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1099 printf("\n"); 1100 } 1101 1102 for (retry = MCD_RETRIES; retry; retry--) { 1103 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1104 for (i = 0; i < mbx->cmd.length; i++) 1105 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1106 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1107 break; 1108 if (error == EINVAL) 1109 return error; 1110 } 1111 if (!retry) 1112 return error; 1113 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1114 return EIO; 1115 1116 return 0; 1117 } 1118 1119 static int 1120 bcd2bin(b) 1121 bcd_t b; 1122 { 1123 1124 return (b >> 4) * 10 + (b & 15); 1125 } 1126 1127 static bcd_t 1128 bin2bcd(b) 1129 int b; 1130 { 1131 1132 return ((b / 10) << 4) | (b % 10); 1133 } 1134 1135 static void 1136 hsg2msf(hsg, msf) 1137 int hsg; 1138 bcd_t *msf; 1139 { 1140 1141 hsg += 150; 1142 F_msf(msf) = bin2bcd(hsg % 75); 1143 hsg /= 75; 1144 S_msf(msf) = bin2bcd(hsg % 60); 1145 hsg /= 60; 1146 M_msf(msf) = bin2bcd(hsg); 1147 } 1148 1149 static daddr_t 1150 msf2hsg(msf, relative) 1151 bcd_t *msf; 1152 int relative; 1153 { 1154 daddr_t blkno; 1155 1156 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1157 bcd2bin(S_msf(msf)) * 75 + 1158 bcd2bin(F_msf(msf)); 1159 if (!relative) 1160 blkno -= 150; 1161 return blkno; 1162 } 1163 1164 void 1165 mcd_pseudointr(v) 1166 void *v; 1167 { 1168 struct mcd_softc *sc = v; 1169 int s; 1170 1171 s = splbio(); 1172 (void) mcdintr(sc); 1173 splx(s); 1174 } 1175 1176 /* 1177 * State machine to process read requests. 1178 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1179 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1180 * MCD_S_WAITREAD: wait for read ready, read data. 1181 */ 1182 int 1183 mcdintr(arg) 1184 void *arg; 1185 { 1186 struct mcd_softc *sc = arg; 1187 struct mcd_mbx *mbx = &sc->mbx; 1188 struct buf *bp = mbx->bp; 1189 bus_space_tag_t iot = sc->sc_iot; 1190 bus_space_handle_t ioh = sc->sc_ioh; 1191 1192 int i; 1193 u_char x; 1194 bcd_t msf[3]; 1195 1196 switch (mbx->state) { 1197 case MCD_S_IDLE: 1198 return 0; 1199 1200 case MCD_S_BEGIN: 1201 tryagain: 1202 if (mbx->mode == sc->lastmode) 1203 goto firstblock; 1204 1205 sc->lastmode = MCD_MD_UNKNOWN; 1206 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1207 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1208 1209 mbx->count = RDELAY_WAITMODE; 1210 mbx->state = MCD_S_WAITMODE; 1211 1212 case MCD_S_WAITMODE: 1213 callout_stop(&sc->sc_pintr_ch); 1214 for (i = 20; i; i--) { 1215 x = bus_space_read_1(iot, ioh, MCD_XFER); 1216 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1217 break; 1218 delay(50); 1219 } 1220 if (i == 0) 1221 goto hold; 1222 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1223 mcd_setflags(sc); 1224 if ((sc->flags & MCDF_LOADED) == 0) 1225 goto changed; 1226 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1227 RDELAY_WAITMODE - mbx->count); 1228 1229 sc->lastmode = mbx->mode; 1230 1231 firstblock: 1232 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1233 (int) mbx->blkno, bp); 1234 1235 /* Build parameter block. */ 1236 hsg2msf(mbx->blkno, msf); 1237 1238 /* Send the read command. */ 1239 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1240 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1241 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1242 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1243 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1244 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1245 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1246 1247 mbx->count = RDELAY_WAITREAD; 1248 mbx->state = MCD_S_WAITREAD; 1249 1250 case MCD_S_WAITREAD: 1251 callout_stop(&sc->sc_pintr_ch); 1252 nextblock: 1253 loop: 1254 for (i = 20; i; i--) { 1255 x = bus_space_read_1(iot, ioh, MCD_XFER); 1256 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1257 goto gotblock; 1258 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1259 break; 1260 delay(50); 1261 } 1262 if (i == 0) 1263 goto hold; 1264 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1265 mcd_setflags(sc); 1266 if ((sc->flags & MCDF_LOADED) == 0) 1267 goto changed; 1268 #if 0 1269 printf("%s: got status byte %02x during read\n", 1270 sc->sc_dev.dv_xname, (u_int)sc->status); 1271 #endif 1272 goto loop; 1273 1274 gotblock: 1275 MCD_TRACE("doread: got data delay=%d\n", 1276 RDELAY_WAITREAD - mbx->count); 1277 1278 /* Data is ready. */ 1279 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1280 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1281 (char *)bp->b_data + mbx->skip, mbx->sz); 1282 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1283 mbx->blkno += 1; 1284 mbx->skip += mbx->sz; 1285 if (--mbx->nblk > 0) 1286 goto nextblock; 1287 1288 mbx->state = MCD_S_IDLE; 1289 1290 /* Return buffer. */ 1291 bp->b_resid = 0; 1292 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1293 biodone(bp); 1294 1295 mcdstart(sc); 1296 return 1; 1297 1298 hold: 1299 if (mbx->count-- < 0) { 1300 printf("%s: timeout in state %d", 1301 sc->sc_dev.dv_xname, mbx->state); 1302 goto readerr; 1303 } 1304 1305 #if 0 1306 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1307 mbx->state); 1308 #endif 1309 callout_reset(&sc->sc_pintr_ch, hz / 100, 1310 mcd_pseudointr, sc); 1311 return -1; 1312 } 1313 1314 readerr: 1315 if (mbx->retry-- > 0) { 1316 printf("; retrying\n"); 1317 goto tryagain; 1318 } else 1319 printf("; giving up\n"); 1320 1321 changed: 1322 /* Invalidate the buffer. */ 1323 bp->b_error = EIO; 1324 bp->b_resid = bp->b_bcount - mbx->skip; 1325 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1326 (bp->b_flags & B_READ)); 1327 biodone(bp); 1328 1329 mcdstart(sc); 1330 return -1; 1331 1332 #ifdef notyet 1333 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1334 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1335 delay(300000); 1336 (void) mcd_getstat(sc, 1); 1337 (void) mcd_getstat(sc, 1); 1338 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1339 sc->debug = 1; /* preventive set debug mode */ 1340 #endif 1341 } 1342 1343 void 1344 mcd_soft_reset(sc) 1345 struct mcd_softc *sc; 1346 { 1347 1348 sc->debug = 0; 1349 sc->flags = 0; 1350 sc->lastmode = MCD_MD_UNKNOWN; 1351 sc->lastupc = MCD_UPC_UNKNOWN; 1352 sc->audio_status = CD_AS_AUDIO_INVALID; 1353 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1354 } 1355 1356 int 1357 mcd_hard_reset(sc) 1358 struct mcd_softc *sc; 1359 { 1360 struct mcd_mbox mbx; 1361 1362 mcd_soft_reset(sc); 1363 1364 mbx.cmd.opcode = MCD_CMDRESET; 1365 mbx.cmd.length = 0; 1366 mbx.res.length = 0; 1367 return mcd_send(sc, &mbx, 0); 1368 } 1369 1370 int 1371 mcd_setmode(sc, mode) 1372 struct mcd_softc *sc; 1373 int mode; 1374 { 1375 struct mcd_mbox mbx; 1376 int error; 1377 1378 if (sc->lastmode == mode) 1379 return 0; 1380 if (sc->debug) 1381 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1382 sc->lastmode = MCD_MD_UNKNOWN; 1383 1384 mbx.cmd.opcode = MCD_CMDSETMODE; 1385 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1386 mbx.cmd.data.datamode.mode = mode; 1387 mbx.res.length = 0; 1388 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1389 return error; 1390 1391 sc->lastmode = mode; 1392 return 0; 1393 } 1394 1395 int 1396 mcd_setupc(sc, upc) 1397 struct mcd_softc *sc; 1398 int upc; 1399 { 1400 struct mcd_mbox mbx; 1401 int error; 1402 1403 if (sc->lastupc == upc) 1404 return 0; 1405 if (sc->debug) 1406 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1407 sc->lastupc = MCD_UPC_UNKNOWN; 1408 1409 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1410 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1411 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1412 mbx.cmd.data.config.data1 = upc; 1413 mbx.res.length = 0; 1414 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1415 return error; 1416 1417 sc->lastupc = upc; 1418 return 0; 1419 } 1420 1421 int 1422 mcd_toc_header(sc, th) 1423 struct mcd_softc *sc; 1424 struct ioc_toc_header *th; 1425 { 1426 1427 if (sc->debug) 1428 printf("%s: mcd_toc_header: reading toc header\n", 1429 sc->sc_dev.dv_xname); 1430 1431 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1432 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1433 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1434 1435 return 0; 1436 } 1437 1438 int 1439 mcd_read_toc(sc) 1440 struct mcd_softc *sc; 1441 { 1442 struct ioc_toc_header th; 1443 union mcd_qchninfo q; 1444 int error, trk, idx, retry; 1445 1446 if ((error = mcd_toc_header(sc, &th)) != 0) 1447 return error; 1448 1449 if ((error = mcd_stop(sc)) != 0) 1450 return error; 1451 1452 if (sc->debug) 1453 printf("%s: read_toc: reading qchannel info\n", 1454 sc->sc_dev.dv_xname); 1455 1456 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1457 sc->toc[trk].toc.idx_no = 0x00; 1458 trk = th.ending_track - th.starting_track + 1; 1459 for (retry = 300; retry && trk > 0; retry--) { 1460 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1461 break; 1462 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1463 continue; 1464 idx = bcd2bin(q.toc.idx_no); 1465 if (idx < MCD_MAXTOCS && 1466 sc->toc[idx].toc.idx_no == 0x00) { 1467 sc->toc[idx] = q; 1468 trk--; 1469 } 1470 } 1471 1472 /* Inform the drive that we're finished so it turns off the light. */ 1473 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1474 return error; 1475 1476 if (trk != 0) 1477 return EINVAL; 1478 1479 /* Add a fake last+1 for mcd_playtracks(). */ 1480 idx = th.ending_track + 1; 1481 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1482 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1483 sc->toc[idx].toc.trk_no = 0x00; 1484 sc->toc[idx].toc.idx_no = 0xaa; 1485 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1486 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1487 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1488 1489 return 0; 1490 } 1491 1492 int 1493 mcd_toc_entries(sc, te, entries, count) 1494 struct mcd_softc *sc; 1495 struct ioc_read_toc_entry *te; 1496 struct cd_toc_entry *entries; 1497 int *count; 1498 { 1499 int len = te->data_len; 1500 struct ioc_toc_header header; 1501 u_char trk; 1502 daddr_t lba; 1503 int error, n; 1504 1505 if (len < sizeof(struct cd_toc_entry)) 1506 return EINVAL; 1507 if (te->address_format != CD_MSF_FORMAT && 1508 te->address_format != CD_LBA_FORMAT) 1509 return EINVAL; 1510 1511 /* Copy the TOC header. */ 1512 if ((error = mcd_toc_header(sc, &header)) != 0) 1513 return error; 1514 1515 /* Verify starting track. */ 1516 trk = te->starting_track; 1517 if (trk == 0x00) 1518 trk = header.starting_track; 1519 else if (trk == 0xaa) 1520 trk = header.ending_track + 1; 1521 else if (trk < header.starting_track || 1522 trk > header.ending_track + 1) 1523 return EINVAL; 1524 1525 /* Copy the TOC data. */ 1526 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1527 if (n * sizeof entries[0] > len) 1528 break; 1529 if (sc->toc[trk].toc.idx_no == 0x00) 1530 continue; 1531 entries[n].control = sc->toc[trk].toc.control; 1532 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1533 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1534 switch (te->address_format) { 1535 case CD_MSF_FORMAT: 1536 entries[n].addr.addr[0] = 0; 1537 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1538 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1539 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1540 break; 1541 case CD_LBA_FORMAT: 1542 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1543 entries[n].addr.addr[0] = lba >> 24; 1544 entries[n].addr.addr[1] = lba >> 16; 1545 entries[n].addr.addr[2] = lba >> 8; 1546 entries[n].addr.addr[3] = lba; 1547 break; 1548 } 1549 } 1550 1551 *count = n; 1552 return 0; 1553 } 1554 1555 int 1556 mcd_stop(sc) 1557 struct mcd_softc *sc; 1558 { 1559 struct mcd_mbox mbx; 1560 int error; 1561 1562 if (sc->debug) 1563 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1564 1565 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1566 mbx.cmd.length = 0; 1567 mbx.res.length = 0; 1568 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1569 return error; 1570 1571 sc->audio_status = CD_AS_PLAY_COMPLETED; 1572 return 0; 1573 } 1574 1575 int 1576 mcd_getqchan(sc, q, qchn) 1577 struct mcd_softc *sc; 1578 union mcd_qchninfo *q; 1579 int qchn; 1580 { 1581 struct mcd_mbox mbx; 1582 int error; 1583 1584 if (qchn == CD_TRACK_INFO) { 1585 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1586 return error; 1587 } else { 1588 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1589 return error; 1590 } 1591 if (qchn == CD_MEDIA_CATALOG) { 1592 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1593 return error; 1594 } else { 1595 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1596 return error; 1597 } 1598 1599 mbx.cmd.opcode = MCD_CMDGETQCHN; 1600 mbx.cmd.length = 0; 1601 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1602 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1603 return error; 1604 1605 *q = mbx.res.data.qchninfo; 1606 return 0; 1607 } 1608 1609 int 1610 mcd_read_subchannel(sc, ch, info) 1611 struct mcd_softc *sc; 1612 struct ioc_read_subchannel *ch; 1613 struct cd_sub_channel_info *info; 1614 { 1615 int len = ch->data_len; 1616 union mcd_qchninfo q; 1617 daddr_t lba; 1618 int error; 1619 1620 if (sc->debug) 1621 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1622 ch->address_format, ch->data_format); 1623 1624 if (len > sizeof(*info) || len < sizeof(info->header)) 1625 return EINVAL; 1626 if (ch->address_format != CD_MSF_FORMAT && 1627 ch->address_format != CD_LBA_FORMAT) 1628 return EINVAL; 1629 if (ch->data_format != CD_CURRENT_POSITION && 1630 ch->data_format != CD_MEDIA_CATALOG) 1631 return EINVAL; 1632 1633 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1634 return error; 1635 1636 info->header.audio_status = sc->audio_status; 1637 info->what.media_catalog.data_format = ch->data_format; 1638 1639 switch (ch->data_format) { 1640 case CD_MEDIA_CATALOG: 1641 info->what.media_catalog.mc_valid = 1; 1642 #if 0 1643 info->what.media_catalog.mc_number = 1644 #endif 1645 break; 1646 1647 case CD_CURRENT_POSITION: 1648 info->what.position.track_number = bcd2bin(q.current.trk_no); 1649 info->what.position.index_number = bcd2bin(q.current.idx_no); 1650 switch (ch->address_format) { 1651 case CD_MSF_FORMAT: 1652 info->what.position.reladdr.addr[0] = 0; 1653 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1654 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1655 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1656 info->what.position.absaddr.addr[0] = 0; 1657 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1658 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1659 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1660 break; 1661 case CD_LBA_FORMAT: 1662 lba = msf2hsg(q.current.relative_pos, 1); 1663 /* 1664 * Pre-gap has index number of 0, and decreasing MSF 1665 * address. Must be converted to negative LBA, per 1666 * SCSI spec. 1667 */ 1668 if (info->what.position.index_number == 0x00) 1669 lba = -lba; 1670 info->what.position.reladdr.addr[0] = lba >> 24; 1671 info->what.position.reladdr.addr[1] = lba >> 16; 1672 info->what.position.reladdr.addr[2] = lba >> 8; 1673 info->what.position.reladdr.addr[3] = lba; 1674 lba = msf2hsg(q.current.absolute_pos, 0); 1675 info->what.position.absaddr.addr[0] = lba >> 24; 1676 info->what.position.absaddr.addr[1] = lba >> 16; 1677 info->what.position.absaddr.addr[2] = lba >> 8; 1678 info->what.position.absaddr.addr[3] = lba; 1679 break; 1680 } 1681 break; 1682 } 1683 1684 return 0; 1685 } 1686 1687 int 1688 mcd_playtracks(sc, p) 1689 struct mcd_softc *sc; 1690 struct ioc_play_track *p; 1691 { 1692 struct mcd_mbox mbx; 1693 int a = p->start_track; 1694 int z = p->end_track; 1695 int error; 1696 1697 if (sc->debug) 1698 printf("%s: playtracks: from %d:%d to %d:%d\n", 1699 sc->sc_dev.dv_xname, 1700 a, p->start_index, z, p->end_index); 1701 1702 if (a < bcd2bin(sc->volinfo.trk_low) || 1703 a > bcd2bin(sc->volinfo.trk_high) || 1704 a > z || 1705 z < bcd2bin(sc->volinfo.trk_low) || 1706 z > bcd2bin(sc->volinfo.trk_high)) 1707 return EINVAL; 1708 1709 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1710 return error; 1711 1712 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1713 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1714 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1715 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1716 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1717 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1718 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1719 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1720 sc->lastpb = mbx.cmd; 1721 mbx.res.length = 0; 1722 return mcd_send(sc, &mbx, 1); 1723 } 1724 1725 int 1726 mcd_playmsf(sc, p) 1727 struct mcd_softc *sc; 1728 struct ioc_play_msf *p; 1729 { 1730 struct mcd_mbox mbx; 1731 int error; 1732 1733 if (sc->debug) 1734 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1735 sc->sc_dev.dv_xname, 1736 p->start_m, p->start_s, p->start_f, 1737 p->end_m, p->end_s, p->end_f); 1738 1739 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1740 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1741 return EINVAL; 1742 1743 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1744 return error; 1745 1746 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1747 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1748 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1749 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1750 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1751 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1752 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1753 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1754 sc->lastpb = mbx.cmd; 1755 mbx.res.length = 0; 1756 return mcd_send(sc, &mbx, 1); 1757 } 1758 1759 int 1760 mcd_playblocks(sc, p) 1761 struct mcd_softc *sc; 1762 struct ioc_play_blocks *p; 1763 { 1764 struct mcd_mbox mbx; 1765 int error; 1766 1767 if (sc->debug) 1768 printf("%s: playblocks: blkno %d length %d\n", 1769 sc->sc_dev.dv_xname, p->blk, p->len); 1770 1771 if (p->blk > sc->disksize || p->len > sc->disksize || 1772 (p->blk + p->len) > sc->disksize) 1773 return 0; 1774 1775 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1776 return error; 1777 1778 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1779 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1780 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1781 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1782 sc->lastpb = mbx.cmd; 1783 mbx.res.length = 0; 1784 return mcd_send(sc, &mbx, 1); 1785 } 1786 1787 int 1788 mcd_pause(sc) 1789 struct mcd_softc *sc; 1790 { 1791 union mcd_qchninfo q; 1792 int error; 1793 1794 /* Verify current status. */ 1795 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1796 printf("%s: pause: attempted when not playing\n", 1797 sc->sc_dev.dv_xname); 1798 return EINVAL; 1799 } 1800 1801 /* Get the current position. */ 1802 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1803 return error; 1804 1805 /* Copy it into lastpb. */ 1806 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1807 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1808 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1809 1810 /* Stop playing. */ 1811 if ((error = mcd_stop(sc)) != 0) 1812 return error; 1813 1814 /* Set the proper status and exit. */ 1815 sc->audio_status = CD_AS_PLAY_PAUSED; 1816 return 0; 1817 } 1818 1819 int 1820 mcd_resume(sc) 1821 struct mcd_softc *sc; 1822 { 1823 struct mcd_mbox mbx; 1824 int error; 1825 1826 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1827 return EINVAL; 1828 1829 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1830 return error; 1831 1832 mbx.cmd = sc->lastpb; 1833 mbx.res.length = 0; 1834 return mcd_send(sc, &mbx, 1); 1835 } 1836 1837 int 1838 mcd_eject(sc) 1839 struct mcd_softc *sc; 1840 { 1841 struct mcd_mbox mbx; 1842 1843 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1844 mbx.cmd.length = 0; 1845 mbx.res.length = 0; 1846 return mcd_send(sc, &mbx, 0); 1847 } 1848 1849 int 1850 mcd_setlock(sc, mode) 1851 struct mcd_softc *sc; 1852 int mode; 1853 { 1854 struct mcd_mbox mbx; 1855 1856 mbx.cmd.opcode = MCD_CMDSETLOCK; 1857 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1858 mbx.cmd.data.lockmode.mode = mode; 1859 mbx.res.length = 0; 1860 return mcd_send(sc, &mbx, 1); 1861 } 1862
Indexes created Tue Sep 30 20:09:53 GMT 2025