1 /* $NetBSD: mcd.c,v 1.95 2006/10/12 01:31:17 christos 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 1.95 2006/10/12 01:31:17 christos 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 struct callout 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 int mcd_pause(struct mcd_softc *); 171 int mcd_resume(struct mcd_softc *); 172 int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *); 173 int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *); 174 175 int mcd_getreply(struct mcd_softc *); 176 int mcd_getstat(struct mcd_softc *); 177 int mcd_getresult(struct mcd_softc *, struct mcd_result *); 178 void mcd_setflags(struct mcd_softc *); 179 int mcd_get(struct mcd_softc *, char *, int); 180 int mcd_send(struct mcd_softc *, struct mcd_mbox *, int); 181 int mcdintr(void *); 182 void mcd_soft_reset(struct mcd_softc *); 183 int mcd_hard_reset(struct mcd_softc *); 184 int mcd_setmode(struct mcd_softc *, int); 185 int mcd_setupc(struct mcd_softc *, int); 186 int mcd_read_toc(struct mcd_softc *); 187 int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int); 188 int mcd_setlock(struct mcd_softc *, int); 189 190 int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *); 191 int mcdprobe(struct device *, struct cfdata *, void *); 192 void mcdattach(struct device *, struct device *, void *); 193 194 CFATTACH_DECL(mcd, sizeof(struct mcd_softc), 195 mcdprobe, mcdattach, NULL, NULL); 196 197 extern struct cfdriver mcd_cd; 198 199 dev_type_open(mcdopen); 200 dev_type_close(mcdclose); 201 dev_type_read(mcdread); 202 dev_type_write(mcdwrite); 203 dev_type_ioctl(mcdioctl); 204 dev_type_strategy(mcdstrategy); 205 dev_type_dump(mcddump); 206 dev_type_size(mcdsize); 207 208 const struct bdevsw mcd_bdevsw = { 209 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK 210 }; 211 212 const struct cdevsw mcd_cdevsw = { 213 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl, 214 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 215 }; 216 217 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 218 void mcdgetdisklabel(struct mcd_softc *); 219 int mcd_get_parms(struct mcd_softc *); 220 void mcdstart(struct mcd_softc *); 221 void mcd_pseudointr(void *); 222 223 struct dkdriver mcddkdriver = { mcdstrategy, NULL, }; 224 225 #define MCD_RETRIES 3 226 #define MCD_RDRETRIES 3 227 228 /* several delays */ 229 #define RDELAY_WAITMODE 300 230 #define RDELAY_WAITREAD 800 231 232 #define DELAY_GRANULARITY 25 /* 25us */ 233 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 234 235 void 236 mcdattach(struct device *parent __unused, struct device *self, void *aux) 237 { 238 struct mcd_softc *sc = (void *)self; 239 struct isa_attach_args *ia = aux; 240 bus_space_tag_t iot = ia->ia_iot; 241 bus_space_handle_t ioh; 242 struct mcd_mbox mbx; 243 244 /* Map i/o space */ 245 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 246 printf(": can't map i/o space\n"); 247 return; 248 } 249 250 lockinit(&sc->sc_lock, PRIBIO | PCATCH, "mcdlock", 0, 0); 251 252 sc->sc_iot = iot; 253 sc->sc_ioh = ioh; 254 255 sc->probe = 0; 256 sc->debug = 0; 257 258 if (!mcd_find(iot, ioh, sc)) { 259 printf(": mcd_find failed\n"); 260 return; 261 } 262 263 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 264 callout_init(&sc->sc_pintr_ch); 265 266 /* 267 * Initialize and attach the disk structure. 268 */ 269 sc->sc_dk.dk_driver = &mcddkdriver; 270 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 271 disk_attach(&sc->sc_dk); 272 273 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 274 275 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 276 277 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 278 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 279 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 280 mbx.cmd.data.config.data1 = 0x01; 281 mbx.res.length = 0; 282 (void) mcd_send(sc, &mbx, 0); 283 284 mcd_soft_reset(sc); 285 286 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 287 IST_EDGE, IPL_BIO, mcdintr, sc); 288 } 289 290 int 291 mcdopen(dev_t dev, int flag __unused, int fmt, struct lwp *l __unused) 292 { 293 int error, part; 294 struct mcd_softc *sc; 295 296 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 297 if (sc == NULL) 298 return ENXIO; 299 300 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 301 return error; 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 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 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 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 386 return error; 387 } 388 389 int 390 mcdclose(dev_t dev, int flag __unused, int fmt, struct lwp *l __unused) 391 { 392 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 393 int part = MCDPART(dev); 394 int error; 395 396 MCD_TRACE("close: partition=%d\n", part); 397 398 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 399 return error; 400 401 switch (fmt) { 402 case S_IFCHR: 403 sc->sc_dk.dk_copenmask &= ~(1 << part); 404 break; 405 case S_IFBLK: 406 sc->sc_dk.dk_bopenmask &= ~(1 << part); 407 break; 408 } 409 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 410 411 if (sc->sc_dk.dk_openmask == 0) { 412 /* XXXX Must wait for I/O to complete! */ 413 414 #if 0 415 (void) mcd_setmode(sc, MCD_MD_SLEEP); 416 #endif 417 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 418 } 419 420 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 421 return 0; 422 } 423 424 void 425 mcdstrategy(bp) 426 struct buf *bp; 427 { 428 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 429 struct disklabel *lp = sc->sc_dk.dk_label; 430 daddr_t blkno; 431 int s; 432 433 /* Test validity. */ 434 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 435 (int) bp->b_blkno, bp->b_bcount); 436 if (bp->b_blkno < 0 || 437 (bp->b_bcount % sc->blksize) != 0) { 438 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 439 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 440 bp->b_error = EINVAL; 441 goto bad; 442 } 443 444 /* If device invalidated (e.g. media change, door open), error. */ 445 if ((sc->flags & MCDF_LOADED) == 0) { 446 MCD_TRACE("strategy: drive not valid%s", "\n"); 447 bp->b_error = EIO; 448 goto bad; 449 } 450 451 /* No data to read. */ 452 if (bp->b_bcount == 0) 453 goto done; 454 455 /* 456 * Do bounds checking, adjust transfer. if error, process. 457 * If end of partition, just return. 458 */ 459 if (MCDPART(bp->b_dev) != RAW_PART && 460 bounds_check_with_label(&sc->sc_dk, bp, 461 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 462 goto done; 463 464 /* 465 * Now convert the block number to absolute and put it in 466 * terms of the device's logical block size. 467 */ 468 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 469 if (MCDPART(bp->b_dev) != RAW_PART) 470 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 471 472 bp->b_rawblkno = blkno; 473 474 /* Queue it. */ 475 s = splbio(); 476 BUFQ_PUT(sc->buf_queue, bp); 477 splx(s); 478 if (!sc->active) 479 mcdstart(sc); 480 return; 481 482 bad: 483 bp->b_flags |= B_ERROR; 484 done: 485 bp->b_resid = bp->b_bcount; 486 biodone(bp); 487 } 488 489 void 490 mcdstart(sc) 491 struct mcd_softc *sc; 492 { 493 struct buf *bp; 494 int s; 495 496 loop: 497 s = splbio(); 498 499 if ((bp = BUFQ_GET(sc->buf_queue)) == NULL) { 500 /* Nothing to do. */ 501 sc->active = 0; 502 splx(s); 503 return; 504 } 505 506 /* Block found to process. */ 507 MCD_TRACE("start: found block bp=0x%p\n", bp); 508 splx(s); 509 510 /* Changed media? */ 511 if ((sc->flags & MCDF_LOADED) == 0) { 512 MCD_TRACE("start: drive not valid%s", "\n"); 513 bp->b_error = EIO; 514 bp->b_flags |= B_ERROR; 515 biodone(bp); 516 goto loop; 517 } 518 519 sc->active = 1; 520 521 /* Instrumentation. */ 522 s = splbio(); 523 disk_busy(&sc->sc_dk); 524 splx(s); 525 526 sc->mbx.retry = MCD_RDRETRIES; 527 sc->mbx.bp = bp; 528 sc->mbx.blkno = bp->b_rawblkno; 529 sc->mbx.nblk = bp->b_bcount / sc->blksize; 530 sc->mbx.sz = sc->blksize; 531 sc->mbx.skip = 0; 532 sc->mbx.state = MCD_S_BEGIN; 533 sc->mbx.mode = MCD_MD_COOKED; 534 535 s = splbio(); 536 (void) mcdintr(sc); 537 splx(s); 538 } 539 540 int 541 mcdread(dev_t dev, struct uio *uio, int flags __unused) 542 { 543 544 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 545 } 546 547 int 548 mcdwrite(dev_t dev, struct uio *uio, int flags __unused) 549 { 550 551 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 552 } 553 554 int 555 mcdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct lwp *l __unused) 556 { 557 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 558 int error; 559 int part; 560 #ifdef __HAVE_OLD_DISKLABEL 561 struct disklabel newlabel; 562 #endif 563 564 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 565 566 if ((sc->flags & MCDF_LOADED) == 0) 567 return EIO; 568 569 part = MCDPART(dev); 570 switch (cmd) { 571 case DIOCGDINFO: 572 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 573 return 0; 574 #ifdef __HAVE_OLD_DISKLABEL 575 case ODIOCGDINFO: 576 newlabel = *(sc->sc_dk.dk_label); 577 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 578 return ENOTTY; 579 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 580 return 0; 581 #endif 582 583 case DIOCGPART: 584 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 585 ((struct partinfo *)addr)->part = 586 &sc->sc_dk.dk_label->d_partitions[part]; 587 return 0; 588 589 case DIOCWDINFO: 590 case DIOCSDINFO: 591 #ifdef __HAVE_OLD_DISKLABEL 592 case ODIOCWDINFO: 593 case ODIOCSDINFO: 594 #endif 595 { 596 struct disklabel *lp; 597 598 if ((flag & FWRITE) == 0) 599 return EBADF; 600 601 #ifdef __HAVE_OLD_DISKLABEL 602 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 603 memset(&newlabel, 0, sizeof newlabel); 604 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 605 lp = &newlabel; 606 } else 607 #endif 608 lp = (struct disklabel *)addr; 609 610 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 611 return error; 612 sc->flags |= MCDF_LABELLING; 613 614 error = setdisklabel(sc->sc_dk.dk_label, 615 lp, /*sc->sc_dk.dk_openmask : */0, 616 sc->sc_dk.dk_cpulabel); 617 if (error == 0) { 618 } 619 620 sc->flags &= ~MCDF_LABELLING; 621 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 622 return error; 623 } 624 625 case DIOCWLABEL: 626 return EBADF; 627 628 case DIOCGDEFLABEL: 629 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 630 return 0; 631 632 #ifdef __HAVE_OLD_DISKLABEL 633 case ODIOCGDEFLABEL: 634 mcdgetdefaultlabel(sc, &newlabel); 635 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 636 return ENOTTY; 637 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 638 return 0; 639 #endif 640 641 case CDIOCPLAYTRACKS: 642 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 643 case CDIOCPLAYMSF: 644 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 645 case CDIOCPLAYBLOCKS: 646 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 647 case CDIOCREADSUBCHANNEL: 648 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 649 case CDIOREADTOCHEADER: 650 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 651 case CDIOREADTOCENTRYS: 652 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 653 case CDIOCSETPATCH: 654 case CDIOCGETVOL: 655 case CDIOCSETVOL: 656 case CDIOCSETMONO: 657 case CDIOCSETSTEREO: 658 case CDIOCSETMUTE: 659 case CDIOCSETLEFT: 660 case CDIOCSETRIGHT: 661 return EINVAL; 662 case CDIOCRESUME: 663 return mcd_resume(sc); 664 case CDIOCPAUSE: 665 return mcd_pause(sc); 666 case CDIOCSTART: 667 return EINVAL; 668 case CDIOCSTOP: 669 return mcd_stop(sc); 670 case DIOCEJECT: 671 if (*(int *)addr == 0) { 672 /* 673 * Don't force eject: check that we are the only 674 * partition open. If so, unlock it. 675 */ 676 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 677 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 678 sc->sc_dk.dk_openmask) { 679 error = mcd_setlock(sc, MCD_LK_UNLOCK); 680 if (error) 681 return (error); 682 } else { 683 return (EBUSY); 684 } 685 } 686 /* FALLTHROUGH */ 687 case CDIOCEJECT: /* FALLTHROUGH */ 688 case ODIOCEJECT: 689 return mcd_eject(sc); 690 case CDIOCALLOW: 691 return mcd_setlock(sc, MCD_LK_UNLOCK); 692 case CDIOCPREVENT: 693 return mcd_setlock(sc, MCD_LK_LOCK); 694 case DIOCLOCK: 695 return mcd_setlock(sc, 696 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 697 case CDIOCSETDEBUG: 698 sc->debug = 1; 699 return 0; 700 case CDIOCCLRDEBUG: 701 sc->debug = 0; 702 return 0; 703 case CDIOCRESET: 704 return mcd_hard_reset(sc); 705 706 default: 707 return ENOTTY; 708 } 709 710 #ifdef DIAGNOSTIC 711 panic("mcdioctl: impossible"); 712 #endif 713 } 714 715 void 716 mcdgetdefaultlabel(sc, lp) 717 struct mcd_softc *sc; 718 struct disklabel *lp; 719 { 720 721 memset(lp, 0, sizeof(struct disklabel)); 722 723 lp->d_secsize = sc->blksize; 724 lp->d_ntracks = 1; 725 lp->d_nsectors = 100; 726 lp->d_ncylinders = (sc->disksize / 100) + 1; 727 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 728 729 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 730 lp->d_type = 0; /* XXX */ 731 strncpy(lp->d_packname, "fictitious", 16); 732 lp->d_secperunit = sc->disksize; 733 lp->d_rpm = 300; 734 lp->d_interleave = 1; 735 lp->d_flags = D_REMOVABLE; 736 737 lp->d_partitions[0].p_offset = 0; 738 lp->d_partitions[0].p_size = 739 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 740 lp->d_partitions[0].p_fstype = FS_ISO9660; 741 lp->d_partitions[RAW_PART].p_offset = 0; 742 lp->d_partitions[RAW_PART].p_size = 743 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 744 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 745 lp->d_npartitions = RAW_PART + 1; 746 747 lp->d_magic = DISKMAGIC; 748 lp->d_magic2 = DISKMAGIC; 749 lp->d_checksum = dkcksum(lp); 750 } 751 752 /* 753 * This could have been taken from scsi/cd.c, but it is not clear 754 * whether the scsi cd driver is linked in. 755 */ 756 void 757 mcdgetdisklabel(sc) 758 struct mcd_softc *sc; 759 { 760 struct disklabel *lp = sc->sc_dk.dk_label; 761 762 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 763 764 mcdgetdefaultlabel(sc, lp); 765 } 766 767 int 768 mcd_get_parms(sc) 769 struct mcd_softc *sc; 770 { 771 struct mcd_mbox mbx; 772 daddr_t size; 773 int error; 774 775 /* Send volume info command. */ 776 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 777 mbx.cmd.length = 0; 778 mbx.res.length = sizeof(mbx.res.data.volinfo); 779 if ((error = mcd_send(sc, &mbx, 1)) != 0) 780 return error; 781 782 if (mbx.res.data.volinfo.trk_low == 0x00 && 783 mbx.res.data.volinfo.trk_high == 0x00) 784 return EINVAL; 785 786 /* Volinfo is OK. */ 787 sc->volinfo = mbx.res.data.volinfo; 788 sc->blksize = MCD_BLKSIZE_COOKED; 789 size = msf2hsg(sc->volinfo.vol_msf, 0); 790 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 791 return 0; 792 } 793 794 int 795 mcdsize(dev_t dev __unused) 796 { 797 798 /* CD-ROMs are read-only. */ 799 return -1; 800 } 801 802 int 803 mcddump(dev_t dev __unused, daddr_t blkno __unused, caddr_t va __unused, 804 size_t size __unused) 805 { 806 807 /* Not implemented. */ 808 return ENXIO; 809 } 810 811 /* 812 * Find the board and fill in the softc. 813 */ 814 int 815 mcd_find(iot, ioh, sc) 816 bus_space_tag_t iot; 817 bus_space_handle_t ioh; 818 struct mcd_softc *sc; 819 { 820 int i; 821 struct mcd_mbox mbx; 822 823 sc->sc_iot = iot; 824 sc->sc_ioh = ioh; 825 826 /* Send a reset. */ 827 bus_space_write_1(iot, ioh, MCD_RESET, 0); 828 delay(1000000); 829 /* Get any pending status and throw away. */ 830 for (i = 10; i; i--) 831 bus_space_read_1(iot, ioh, MCD_STATUS); 832 delay(1000); 833 834 /* Send get status command. */ 835 mbx.cmd.opcode = MCD_CMDGETSTAT; 836 mbx.cmd.length = 0; 837 mbx.res.length = 0; 838 if (mcd_send(sc, &mbx, 0) != 0) 839 return 0; 840 841 /* Get info about the drive. */ 842 mbx.cmd.opcode = MCD_CMDCONTINFO; 843 mbx.cmd.length = 0; 844 mbx.res.length = sizeof(mbx.res.data.continfo); 845 if (mcd_send(sc, &mbx, 0) != 0) 846 return 0; 847 848 /* 849 * The following is code which is not guaranteed to work for all 850 * drives, because the meaning of the expected 'M' is not clear 851 * (M_itsumi is an obvious assumption, but I don't trust that). 852 * Also, the original hack had a bogus condition that always 853 * returned true. 854 * 855 * Note: Which models support interrupts? >=LU005S? 856 */ 857 sc->readcmd = MCD_CMDREADSINGLESPEED; 858 switch (mbx.res.data.continfo.code) { 859 case 'M': 860 if (mbx.res.data.continfo.version <= 2) 861 sc->type = "LU002S"; 862 else if (mbx.res.data.continfo.version <= 5) 863 sc->type = "LU005S"; 864 else 865 sc->type = "LU006S"; 866 break; 867 case 'F': 868 sc->type = "FX001"; 869 break; 870 case 'D': 871 sc->type = "FX001D"; 872 sc->readcmd = MCD_CMDREADDOUBLESPEED; 873 break; 874 default: 875 /* 876 * mcd_send() says the response looked OK but the 877 * drive type is unknown. If mcd_promisc, match anyway. 878 */ 879 if (mcd_promisc != 0) 880 return 0; 881 882 #ifdef MCDDEBUG 883 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 884 sc->sc_dev.dv_xname, 885 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 886 #endif 887 sc->type = 0; 888 break; 889 } 890 891 return 1; 892 893 } 894 895 int 896 mcdprobe(struct device *parent __unused, struct cfdata *match __unused, 897 void *aux) 898 { 899 struct isa_attach_args *ia = aux; 900 struct mcd_softc sc; 901 bus_space_tag_t iot = ia->ia_iot; 902 bus_space_handle_t ioh; 903 int rv; 904 905 if (ia->ia_nio < 1) 906 return (0); 907 if (ia->ia_nirq < 1) 908 return (0); 909 910 if (ISA_DIRECT_CONFIG(ia)) 911 return (0); 912 913 /* Disallow wildcarded i/o address. */ 914 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 915 return (0); 916 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 917 return (0); 918 919 /* Map i/o space */ 920 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 921 return 0; 922 923 sc.debug = 0; 924 sc.probe = 1; 925 926 rv = mcd_find(iot, ioh, &sc); 927 928 bus_space_unmap(iot, ioh, MCD_NPORT); 929 930 if (rv) { 931 ia->ia_nio = 1; 932 ia->ia_io[0].ir_size = MCD_NPORT; 933 934 ia->ia_nirq = 1; 935 936 ia->ia_niomem = 0; 937 ia->ia_ndrq = 0; 938 } 939 940 return (rv); 941 } 942 943 int 944 mcd_getreply(sc) 945 struct mcd_softc *sc; 946 { 947 bus_space_tag_t iot = sc->sc_iot; 948 bus_space_handle_t ioh = sc->sc_ioh; 949 int i; 950 951 /* Wait until xfer port senses data ready. */ 952 for (i = DELAY_GETREPLY; i; i--) { 953 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 954 MCD_XF_STATUSUNAVAIL) == 0) 955 break; 956 delay(DELAY_GRANULARITY); 957 } 958 if (!i) 959 return -1; 960 961 /* Get the data. */ 962 return bus_space_read_1(iot, ioh, MCD_STATUS); 963 } 964 965 int 966 mcd_getstat(sc) 967 struct mcd_softc *sc; 968 { 969 struct mcd_mbox mbx; 970 971 mbx.cmd.opcode = MCD_CMDGETSTAT; 972 mbx.cmd.length = 0; 973 mbx.res.length = 0; 974 return mcd_send(sc, &mbx, 1); 975 } 976 977 int 978 mcd_getresult(sc, res) 979 struct mcd_softc *sc; 980 struct mcd_result *res; 981 { 982 int i, x; 983 984 if (sc->debug) 985 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 986 res->length); 987 988 if ((x = mcd_getreply(sc)) < 0) { 989 if (sc->debug) 990 printf(" timeout\n"); 991 else if (!sc->probe) 992 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 993 return EIO; 994 } 995 if (sc->debug) 996 printf(" %02x", (u_int)x); 997 sc->status = x; 998 mcd_setflags(sc); 999 1000 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1001 return EINVAL; 1002 1003 for (i = 0; i < res->length; i++) { 1004 if ((x = mcd_getreply(sc)) < 0) { 1005 if (sc->debug) 1006 printf(" timeout\n"); 1007 else 1008 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1009 return EIO; 1010 } 1011 if (sc->debug) 1012 printf(" %02x", (u_int)x); 1013 res->data.raw.data[i] = x; 1014 } 1015 1016 if (sc->debug) 1017 printf(" succeeded\n"); 1018 1019 #ifdef MCDDEBUG 1020 delay(10); 1021 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1022 MCD_XF_STATUSUNAVAIL) == 0) { 1023 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1024 printf("%s: got extra byte %02x during getstatus\n", 1025 sc->sc_dev.dv_xname, (u_int)x); 1026 delay(10); 1027 } 1028 #endif 1029 1030 return 0; 1031 } 1032 1033 void 1034 mcd_setflags(sc) 1035 struct mcd_softc *sc; 1036 { 1037 1038 /* Check flags. */ 1039 if ((sc->flags & MCDF_LOADED) != 0 && 1040 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1041 MCD_ST_DSKIN) { 1042 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1043 printf("%s: door open\n", sc->sc_dev.dv_xname); 1044 else if ((sc->status & MCD_ST_DSKIN) == 0) 1045 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1046 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1047 printf("%s: media change\n", sc->sc_dev.dv_xname); 1048 sc->flags &= ~MCDF_LOADED; 1049 } 1050 1051 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1052 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1053 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1054 sc->audio_status == CD_AS_AUDIO_INVALID) 1055 sc->audio_status = CD_AS_PLAY_COMPLETED; 1056 } 1057 1058 int 1059 mcd_send(sc, mbx, diskin) 1060 struct mcd_softc *sc; 1061 struct mcd_mbox *mbx; 1062 int diskin; 1063 { 1064 int retry, i, error; 1065 bus_space_tag_t iot = sc->sc_iot; 1066 bus_space_handle_t ioh = sc->sc_ioh; 1067 1068 if (sc->debug) { 1069 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1070 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1071 for (i = 0; i < mbx->cmd.length; i++) 1072 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1073 printf("\n"); 1074 } 1075 1076 for (retry = MCD_RETRIES; retry; retry--) { 1077 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1078 for (i = 0; i < mbx->cmd.length; i++) 1079 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1080 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1081 break; 1082 if (error == EINVAL) 1083 return error; 1084 } 1085 if (!retry) 1086 return error; 1087 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1088 return EIO; 1089 1090 return 0; 1091 } 1092 1093 static int 1094 bcd2bin(b) 1095 bcd_t b; 1096 { 1097 1098 return (b >> 4) * 10 + (b & 15); 1099 } 1100 1101 static bcd_t 1102 bin2bcd(b) 1103 int b; 1104 { 1105 1106 return ((b / 10) << 4) | (b % 10); 1107 } 1108 1109 static void 1110 hsg2msf(hsg, msf) 1111 int hsg; 1112 bcd_t *msf; 1113 { 1114 1115 hsg += 150; 1116 F_msf(msf) = bin2bcd(hsg % 75); 1117 hsg /= 75; 1118 S_msf(msf) = bin2bcd(hsg % 60); 1119 hsg /= 60; 1120 M_msf(msf) = bin2bcd(hsg); 1121 } 1122 1123 static daddr_t 1124 msf2hsg(msf, relative) 1125 bcd_t *msf; 1126 int relative; 1127 { 1128 daddr_t blkno; 1129 1130 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1131 bcd2bin(S_msf(msf)) * 75 + 1132 bcd2bin(F_msf(msf)); 1133 if (!relative) 1134 blkno -= 150; 1135 return blkno; 1136 } 1137 1138 void 1139 mcd_pseudointr(v) 1140 void *v; 1141 { 1142 struct mcd_softc *sc = v; 1143 int s; 1144 1145 s = splbio(); 1146 (void) mcdintr(sc); 1147 splx(s); 1148 } 1149 1150 /* 1151 * State machine to process read requests. 1152 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1153 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1154 * MCD_S_WAITREAD: wait for read ready, read data. 1155 */ 1156 int 1157 mcdintr(arg) 1158 void *arg; 1159 { 1160 struct mcd_softc *sc = arg; 1161 struct mcd_mbx *mbx = &sc->mbx; 1162 struct buf *bp = mbx->bp; 1163 bus_space_tag_t iot = sc->sc_iot; 1164 bus_space_handle_t ioh = sc->sc_ioh; 1165 1166 int i; 1167 u_char x; 1168 bcd_t msf[3]; 1169 1170 switch (mbx->state) { 1171 case MCD_S_IDLE: 1172 return 0; 1173 1174 case MCD_S_BEGIN: 1175 tryagain: 1176 if (mbx->mode == sc->lastmode) 1177 goto firstblock; 1178 1179 sc->lastmode = MCD_MD_UNKNOWN; 1180 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1181 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1182 1183 mbx->count = RDELAY_WAITMODE; 1184 mbx->state = MCD_S_WAITMODE; 1185 1186 case MCD_S_WAITMODE: 1187 callout_stop(&sc->sc_pintr_ch); 1188 for (i = 20; i; i--) { 1189 x = bus_space_read_1(iot, ioh, MCD_XFER); 1190 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1191 break; 1192 delay(50); 1193 } 1194 if (i == 0) 1195 goto hold; 1196 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1197 mcd_setflags(sc); 1198 if ((sc->flags & MCDF_LOADED) == 0) 1199 goto changed; 1200 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1201 RDELAY_WAITMODE - mbx->count); 1202 1203 sc->lastmode = mbx->mode; 1204 1205 firstblock: 1206 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1207 (int) mbx->blkno, bp); 1208 1209 /* Build parameter block. */ 1210 hsg2msf(mbx->blkno, msf); 1211 1212 /* Send the read command. */ 1213 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1214 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1215 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1216 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1217 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1218 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1219 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1220 1221 mbx->count = RDELAY_WAITREAD; 1222 mbx->state = MCD_S_WAITREAD; 1223 1224 case MCD_S_WAITREAD: 1225 callout_stop(&sc->sc_pintr_ch); 1226 nextblock: 1227 loop: 1228 for (i = 20; i; i--) { 1229 x = bus_space_read_1(iot, ioh, MCD_XFER); 1230 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1231 goto gotblock; 1232 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1233 break; 1234 delay(50); 1235 } 1236 if (i == 0) 1237 goto hold; 1238 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1239 mcd_setflags(sc); 1240 if ((sc->flags & MCDF_LOADED) == 0) 1241 goto changed; 1242 #if 0 1243 printf("%s: got status byte %02x during read\n", 1244 sc->sc_dev.dv_xname, (u_int)sc->status); 1245 #endif 1246 goto loop; 1247 1248 gotblock: 1249 MCD_TRACE("doread: got data delay=%d\n", 1250 RDELAY_WAITREAD - mbx->count); 1251 1252 /* Data is ready. */ 1253 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1254 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1255 bp->b_data + mbx->skip, mbx->sz); 1256 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1257 mbx->blkno += 1; 1258 mbx->skip += mbx->sz; 1259 if (--mbx->nblk > 0) 1260 goto nextblock; 1261 1262 mbx->state = MCD_S_IDLE; 1263 1264 /* Return buffer. */ 1265 bp->b_resid = 0; 1266 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1267 biodone(bp); 1268 1269 mcdstart(sc); 1270 return 1; 1271 1272 hold: 1273 if (mbx->count-- < 0) { 1274 printf("%s: timeout in state %d", 1275 sc->sc_dev.dv_xname, mbx->state); 1276 goto readerr; 1277 } 1278 1279 #if 0 1280 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1281 mbx->state); 1282 #endif 1283 callout_reset(&sc->sc_pintr_ch, hz / 100, 1284 mcd_pseudointr, sc); 1285 return -1; 1286 } 1287 1288 readerr: 1289 if (mbx->retry-- > 0) { 1290 printf("; retrying\n"); 1291 goto tryagain; 1292 } else 1293 printf("; giving up\n"); 1294 1295 changed: 1296 /* Invalidate the buffer. */ 1297 bp->b_flags |= B_ERROR; 1298 bp->b_resid = bp->b_bcount - mbx->skip; 1299 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1300 (bp->b_flags & B_READ)); 1301 biodone(bp); 1302 1303 mcdstart(sc); 1304 return -1; 1305 1306 #ifdef notyet 1307 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1308 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1309 delay(300000); 1310 (void) mcd_getstat(sc, 1); 1311 (void) mcd_getstat(sc, 1); 1312 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1313 sc->debug = 1; /* preventive set debug mode */ 1314 #endif 1315 } 1316 1317 void 1318 mcd_soft_reset(sc) 1319 struct mcd_softc *sc; 1320 { 1321 1322 sc->debug = 0; 1323 sc->flags = 0; 1324 sc->lastmode = MCD_MD_UNKNOWN; 1325 sc->lastupc = MCD_UPC_UNKNOWN; 1326 sc->audio_status = CD_AS_AUDIO_INVALID; 1327 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1328 } 1329 1330 int 1331 mcd_hard_reset(sc) 1332 struct mcd_softc *sc; 1333 { 1334 struct mcd_mbox mbx; 1335 1336 mcd_soft_reset(sc); 1337 1338 mbx.cmd.opcode = MCD_CMDRESET; 1339 mbx.cmd.length = 0; 1340 mbx.res.length = 0; 1341 return mcd_send(sc, &mbx, 0); 1342 } 1343 1344 int 1345 mcd_setmode(sc, mode) 1346 struct mcd_softc *sc; 1347 int mode; 1348 { 1349 struct mcd_mbox mbx; 1350 int error; 1351 1352 if (sc->lastmode == mode) 1353 return 0; 1354 if (sc->debug) 1355 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1356 sc->lastmode = MCD_MD_UNKNOWN; 1357 1358 mbx.cmd.opcode = MCD_CMDSETMODE; 1359 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1360 mbx.cmd.data.datamode.mode = mode; 1361 mbx.res.length = 0; 1362 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1363 return error; 1364 1365 sc->lastmode = mode; 1366 return 0; 1367 } 1368 1369 int 1370 mcd_setupc(sc, upc) 1371 struct mcd_softc *sc; 1372 int upc; 1373 { 1374 struct mcd_mbox mbx; 1375 int error; 1376 1377 if (sc->lastupc == upc) 1378 return 0; 1379 if (sc->debug) 1380 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1381 sc->lastupc = MCD_UPC_UNKNOWN; 1382 1383 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1384 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1385 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1386 mbx.cmd.data.config.data1 = upc; 1387 mbx.res.length = 0; 1388 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1389 return error; 1390 1391 sc->lastupc = upc; 1392 return 0; 1393 } 1394 1395 int 1396 mcd_toc_header(sc, th) 1397 struct mcd_softc *sc; 1398 struct ioc_toc_header *th; 1399 { 1400 1401 if (sc->debug) 1402 printf("%s: mcd_toc_header: reading toc header\n", 1403 sc->sc_dev.dv_xname); 1404 1405 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1406 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1407 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1408 1409 return 0; 1410 } 1411 1412 int 1413 mcd_read_toc(sc) 1414 struct mcd_softc *sc; 1415 { 1416 struct ioc_toc_header th; 1417 union mcd_qchninfo q; 1418 int error, trk, idx, retry; 1419 1420 if ((error = mcd_toc_header(sc, &th)) != 0) 1421 return error; 1422 1423 if ((error = mcd_stop(sc)) != 0) 1424 return error; 1425 1426 if (sc->debug) 1427 printf("%s: read_toc: reading qchannel info\n", 1428 sc->sc_dev.dv_xname); 1429 1430 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1431 sc->toc[trk].toc.idx_no = 0x00; 1432 trk = th.ending_track - th.starting_track + 1; 1433 for (retry = 300; retry && trk > 0; retry--) { 1434 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1435 break; 1436 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1437 continue; 1438 idx = bcd2bin(q.toc.idx_no); 1439 if (idx < MCD_MAXTOCS && 1440 sc->toc[idx].toc.idx_no == 0x00) { 1441 sc->toc[idx] = q; 1442 trk--; 1443 } 1444 } 1445 1446 /* Inform the drive that we're finished so it turns off the light. */ 1447 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1448 return error; 1449 1450 if (trk != 0) 1451 return EINVAL; 1452 1453 /* Add a fake last+1 for mcd_playtracks(). */ 1454 idx = th.ending_track + 1; 1455 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1456 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1457 sc->toc[idx].toc.trk_no = 0x00; 1458 sc->toc[idx].toc.idx_no = 0xaa; 1459 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1460 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1461 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1462 1463 return 0; 1464 } 1465 1466 int 1467 mcd_toc_entries(sc, te) 1468 struct mcd_softc *sc; 1469 struct ioc_read_toc_entry *te; 1470 { 1471 int len = te->data_len; 1472 struct ret_toc { 1473 struct ioc_toc_header header; 1474 struct cd_toc_entry entries[MCD_MAXTOCS]; 1475 } data; 1476 u_char trk; 1477 daddr_t lba; 1478 int error, n; 1479 1480 if (len > sizeof(data.entries) || 1481 len < sizeof(struct cd_toc_entry)) 1482 return EINVAL; 1483 if (te->address_format != CD_MSF_FORMAT && 1484 te->address_format != CD_LBA_FORMAT) 1485 return EINVAL; 1486 1487 /* Copy the TOC header. */ 1488 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1489 return error; 1490 1491 /* Verify starting track. */ 1492 trk = te->starting_track; 1493 if (trk == 0x00) 1494 trk = data.header.starting_track; 1495 else if (trk == 0xaa) 1496 trk = data.header.ending_track + 1; 1497 else if (trk < data.header.starting_track || 1498 trk > data.header.ending_track + 1) 1499 return EINVAL; 1500 1501 /* Copy the TOC data. */ 1502 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1503 if (sc->toc[trk].toc.idx_no == 0x00) 1504 continue; 1505 data.entries[n].control = sc->toc[trk].toc.control; 1506 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1507 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1508 switch (te->address_format) { 1509 case CD_MSF_FORMAT: 1510 data.entries[n].addr.addr[0] = 0; 1511 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1512 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1513 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1514 break; 1515 case CD_LBA_FORMAT: 1516 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1517 data.entries[n].addr.addr[0] = lba >> 24; 1518 data.entries[n].addr.addr[1] = lba >> 16; 1519 data.entries[n].addr.addr[2] = lba >> 8; 1520 data.entries[n].addr.addr[3] = lba; 1521 break; 1522 } 1523 n++; 1524 } 1525 1526 len = min(len, n * sizeof(struct cd_toc_entry)); 1527 1528 /* Copy the data back. */ 1529 return copyout(&data.entries[0], te->data, len); 1530 } 1531 1532 int 1533 mcd_stop(sc) 1534 struct mcd_softc *sc; 1535 { 1536 struct mcd_mbox mbx; 1537 int error; 1538 1539 if (sc->debug) 1540 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1541 1542 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1543 mbx.cmd.length = 0; 1544 mbx.res.length = 0; 1545 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1546 return error; 1547 1548 sc->audio_status = CD_AS_PLAY_COMPLETED; 1549 return 0; 1550 } 1551 1552 int 1553 mcd_getqchan(sc, q, qchn) 1554 struct mcd_softc *sc; 1555 union mcd_qchninfo *q; 1556 int qchn; 1557 { 1558 struct mcd_mbox mbx; 1559 int error; 1560 1561 if (qchn == CD_TRACK_INFO) { 1562 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1563 return error; 1564 } else { 1565 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1566 return error; 1567 } 1568 if (qchn == CD_MEDIA_CATALOG) { 1569 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1570 return error; 1571 } else { 1572 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1573 return error; 1574 } 1575 1576 mbx.cmd.opcode = MCD_CMDGETQCHN; 1577 mbx.cmd.length = 0; 1578 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1579 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1580 return error; 1581 1582 *q = mbx.res.data.qchninfo; 1583 return 0; 1584 } 1585 1586 int 1587 mcd_read_subchannel(sc, ch) 1588 struct mcd_softc *sc; 1589 struct ioc_read_subchannel *ch; 1590 { 1591 int len = ch->data_len; 1592 union mcd_qchninfo q; 1593 struct cd_sub_channel_info data; 1594 daddr_t lba; 1595 int error; 1596 1597 if (sc->debug) 1598 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1599 ch->address_format, ch->data_format); 1600 1601 if (len > sizeof(data) || 1602 len < sizeof(struct cd_sub_channel_header)) 1603 return EINVAL; 1604 if (ch->address_format != CD_MSF_FORMAT && 1605 ch->address_format != CD_LBA_FORMAT) 1606 return EINVAL; 1607 if (ch->data_format != CD_CURRENT_POSITION && 1608 ch->data_format != CD_MEDIA_CATALOG) 1609 return EINVAL; 1610 1611 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1612 return error; 1613 1614 data.header.audio_status = sc->audio_status; 1615 data.what.media_catalog.data_format = ch->data_format; 1616 1617 switch (ch->data_format) { 1618 case CD_MEDIA_CATALOG: 1619 data.what.media_catalog.mc_valid = 1; 1620 #if 0 1621 data.what.media_catalog.mc_number = 1622 #endif 1623 break; 1624 1625 case CD_CURRENT_POSITION: 1626 data.what.position.track_number = bcd2bin(q.current.trk_no); 1627 data.what.position.index_number = bcd2bin(q.current.idx_no); 1628 switch (ch->address_format) { 1629 case CD_MSF_FORMAT: 1630 data.what.position.reladdr.addr[0] = 0; 1631 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1632 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1633 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1634 data.what.position.absaddr.addr[0] = 0; 1635 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1636 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1637 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1638 break; 1639 case CD_LBA_FORMAT: 1640 lba = msf2hsg(q.current.relative_pos, 1); 1641 /* 1642 * Pre-gap has index number of 0, and decreasing MSF 1643 * address. Must be converted to negative LBA, per 1644 * SCSI spec. 1645 */ 1646 if (data.what.position.index_number == 0x00) 1647 lba = -lba; 1648 data.what.position.reladdr.addr[0] = lba >> 24; 1649 data.what.position.reladdr.addr[1] = lba >> 16; 1650 data.what.position.reladdr.addr[2] = lba >> 8; 1651 data.what.position.reladdr.addr[3] = lba; 1652 lba = msf2hsg(q.current.absolute_pos, 0); 1653 data.what.position.absaddr.addr[0] = lba >> 24; 1654 data.what.position.absaddr.addr[1] = lba >> 16; 1655 data.what.position.absaddr.addr[2] = lba >> 8; 1656 data.what.position.absaddr.addr[3] = lba; 1657 break; 1658 } 1659 break; 1660 } 1661 1662 return copyout(&data, ch->data, len); 1663 } 1664 1665 int 1666 mcd_playtracks(sc, p) 1667 struct mcd_softc *sc; 1668 struct ioc_play_track *p; 1669 { 1670 struct mcd_mbox mbx; 1671 int a = p->start_track; 1672 int z = p->end_track; 1673 int error; 1674 1675 if (sc->debug) 1676 printf("%s: playtracks: from %d:%d to %d:%d\n", 1677 sc->sc_dev.dv_xname, 1678 a, p->start_index, z, p->end_index); 1679 1680 if (a < bcd2bin(sc->volinfo.trk_low) || 1681 a > bcd2bin(sc->volinfo.trk_high) || 1682 a > z || 1683 z < bcd2bin(sc->volinfo.trk_low) || 1684 z > bcd2bin(sc->volinfo.trk_high)) 1685 return EINVAL; 1686 1687 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1688 return error; 1689 1690 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1691 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1692 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1693 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1694 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1695 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1696 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1697 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1698 sc->lastpb = mbx.cmd; 1699 mbx.res.length = 0; 1700 return mcd_send(sc, &mbx, 1); 1701 } 1702 1703 int 1704 mcd_playmsf(sc, p) 1705 struct mcd_softc *sc; 1706 struct ioc_play_msf *p; 1707 { 1708 struct mcd_mbox mbx; 1709 int error; 1710 1711 if (sc->debug) 1712 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1713 sc->sc_dev.dv_xname, 1714 p->start_m, p->start_s, p->start_f, 1715 p->end_m, p->end_s, p->end_f); 1716 1717 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1718 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1719 return EINVAL; 1720 1721 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1722 return error; 1723 1724 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1725 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1726 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1727 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1728 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1729 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1730 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1731 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1732 sc->lastpb = mbx.cmd; 1733 mbx.res.length = 0; 1734 return mcd_send(sc, &mbx, 1); 1735 } 1736 1737 int 1738 mcd_playblocks(sc, p) 1739 struct mcd_softc *sc; 1740 struct ioc_play_blocks *p; 1741 { 1742 struct mcd_mbox mbx; 1743 int error; 1744 1745 if (sc->debug) 1746 printf("%s: playblocks: blkno %d length %d\n", 1747 sc->sc_dev.dv_xname, p->blk, p->len); 1748 1749 if (p->blk > sc->disksize || p->len > sc->disksize || 1750 (p->blk + p->len) > sc->disksize) 1751 return 0; 1752 1753 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1754 return error; 1755 1756 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1757 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1758 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1759 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1760 sc->lastpb = mbx.cmd; 1761 mbx.res.length = 0; 1762 return mcd_send(sc, &mbx, 1); 1763 } 1764 1765 int 1766 mcd_pause(sc) 1767 struct mcd_softc *sc; 1768 { 1769 union mcd_qchninfo q; 1770 int error; 1771 1772 /* Verify current status. */ 1773 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1774 printf("%s: pause: attempted when not playing\n", 1775 sc->sc_dev.dv_xname); 1776 return EINVAL; 1777 } 1778 1779 /* Get the current position. */ 1780 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1781 return error; 1782 1783 /* Copy it into lastpb. */ 1784 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1785 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1786 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1787 1788 /* Stop playing. */ 1789 if ((error = mcd_stop(sc)) != 0) 1790 return error; 1791 1792 /* Set the proper status and exit. */ 1793 sc->audio_status = CD_AS_PLAY_PAUSED; 1794 return 0; 1795 } 1796 1797 int 1798 mcd_resume(sc) 1799 struct mcd_softc *sc; 1800 { 1801 struct mcd_mbox mbx; 1802 int error; 1803 1804 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1805 return EINVAL; 1806 1807 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1808 return error; 1809 1810 mbx.cmd = sc->lastpb; 1811 mbx.res.length = 0; 1812 return mcd_send(sc, &mbx, 1); 1813 } 1814 1815 int 1816 mcd_eject(sc) 1817 struct mcd_softc *sc; 1818 { 1819 struct mcd_mbox mbx; 1820 1821 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1822 mbx.cmd.length = 0; 1823 mbx.res.length = 0; 1824 return mcd_send(sc, &mbx, 0); 1825 } 1826 1827 int 1828 mcd_setlock(sc, mode) 1829 struct mcd_softc *sc; 1830 int mode; 1831 { 1832 struct mcd_mbox mbx; 1833 1834 mbx.cmd.opcode = MCD_CMDSETLOCK; 1835 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1836 mbx.cmd.data.lockmode.mode = mode; 1837 mbx.res.length = 0; 1838 return mcd_send(sc, &mbx, 1); 1839 } 1840