mcd.c revision 1.98
1 /* $NetBSD: mcd.c,v 1.98 2007/06/30 22:16:38 dsl 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 1.98 2007/06/30 22:16:38 dsl 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 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); 267 268 /* 269 * Initialize and attach the disk structure. 270 */ 271 sc->sc_dk.dk_driver = &mcddkdriver; 272 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 273 disk_attach(&sc->sc_dk); 274 275 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 276 277 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 278 279 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 280 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 281 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 282 mbx.cmd.data.config.data1 = 0x01; 283 mbx.res.length = 0; 284 (void) mcd_send(sc, &mbx, 0); 285 286 mcd_soft_reset(sc); 287 288 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 289 IST_EDGE, IPL_BIO, mcdintr, sc); 290 } 291 292 int 293 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 294 { 295 int error, part; 296 struct mcd_softc *sc; 297 298 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 299 if (sc == NULL) 300 return ENXIO; 301 302 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 303 return error; 304 305 if (sc->sc_dk.dk_openmask != 0) { 306 /* 307 * If any partition is open, but the disk has been invalidated, 308 * disallow further opens. 309 */ 310 if ((sc->flags & MCDF_LOADED) == 0) { 311 error = EIO; 312 goto bad3; 313 } 314 } else { 315 /* 316 * Lock the drawer. This will also notice any pending disk 317 * change or door open indicator and clear the MCDF_LOADED bit 318 * if necessary. 319 */ 320 (void) mcd_setlock(sc, MCD_LK_LOCK); 321 322 if ((sc->flags & MCDF_LOADED) == 0) { 323 /* Partially reset the state. */ 324 sc->lastmode = MCD_MD_UNKNOWN; 325 sc->lastupc = MCD_UPC_UNKNOWN; 326 327 sc->flags |= MCDF_LOADED; 328 329 /* Set the mode, causing the disk to spin up. */ 330 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 331 goto bad2; 332 333 /* Load the physical device parameters. */ 334 if (mcd_get_parms(sc) != 0) { 335 error = ENXIO; 336 goto bad2; 337 } 338 339 /* Read the table of contents. */ 340 if ((error = mcd_read_toc(sc)) != 0) 341 goto bad2; 342 343 /* Fabricate a disk label. */ 344 mcdgetdisklabel(sc); 345 } 346 } 347 348 part = MCDPART(dev); 349 350 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 351 sc->disksize, sc->blksize); 352 353 /* Check that the partition exists. */ 354 if (part != RAW_PART && 355 (part >= sc->sc_dk.dk_label->d_npartitions || 356 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 357 error = ENXIO; 358 goto bad; 359 } 360 361 /* Insure only one open at a time. */ 362 switch (fmt) { 363 case S_IFCHR: 364 sc->sc_dk.dk_copenmask |= (1 << part); 365 break; 366 case S_IFBLK: 367 sc->sc_dk.dk_bopenmask |= (1 << part); 368 break; 369 } 370 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 371 372 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 373 return 0; 374 375 bad2: 376 sc->flags &= ~MCDF_LOADED; 377 378 bad: 379 if (sc->sc_dk.dk_openmask == 0) { 380 #if 0 381 (void) mcd_setmode(sc, MCD_MD_SLEEP); 382 #endif 383 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 384 } 385 386 bad3: 387 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 388 return error; 389 } 390 391 int 392 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 393 { 394 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 395 int part = MCDPART(dev); 396 int error; 397 398 MCD_TRACE("close: partition=%d\n", part); 399 400 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 401 return error; 402 403 switch (fmt) { 404 case S_IFCHR: 405 sc->sc_dk.dk_copenmask &= ~(1 << part); 406 break; 407 case S_IFBLK: 408 sc->sc_dk.dk_bopenmask &= ~(1 << part); 409 break; 410 } 411 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 412 413 if (sc->sc_dk.dk_openmask == 0) { 414 /* XXXX Must wait for I/O to complete! */ 415 416 #if 0 417 (void) mcd_setmode(sc, MCD_MD_SLEEP); 418 #endif 419 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 420 } 421 422 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 423 return 0; 424 } 425 426 void 427 mcdstrategy(bp) 428 struct buf *bp; 429 { 430 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 431 struct disklabel *lp = sc->sc_dk.dk_label; 432 daddr_t blkno; 433 int s; 434 435 /* Test validity. */ 436 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 437 (int) bp->b_blkno, bp->b_bcount); 438 if (bp->b_blkno < 0 || 439 (bp->b_bcount % sc->blksize) != 0) { 440 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 441 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 442 bp->b_error = EINVAL; 443 goto bad; 444 } 445 446 /* If device invalidated (e.g. media change, door open), error. */ 447 if ((sc->flags & MCDF_LOADED) == 0) { 448 MCD_TRACE("strategy: drive not valid%s", "\n"); 449 bp->b_error = EIO; 450 goto bad; 451 } 452 453 /* No data to read. */ 454 if (bp->b_bcount == 0) 455 goto done; 456 457 /* 458 * Do bounds checking, adjust transfer. if error, process. 459 * If end of partition, just return. 460 */ 461 if (MCDPART(bp->b_dev) != RAW_PART && 462 bounds_check_with_label(&sc->sc_dk, bp, 463 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 464 goto done; 465 466 /* 467 * Now convert the block number to absolute and put it in 468 * terms of the device's logical block size. 469 */ 470 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 471 if (MCDPART(bp->b_dev) != RAW_PART) 472 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 473 474 bp->b_rawblkno = blkno; 475 476 /* Queue it. */ 477 s = splbio(); 478 BUFQ_PUT(sc->buf_queue, bp); 479 splx(s); 480 if (!sc->active) 481 mcdstart(sc); 482 return; 483 484 bad: 485 bp->b_flags |= B_ERROR; 486 done: 487 bp->b_resid = bp->b_bcount; 488 biodone(bp); 489 } 490 491 void 492 mcdstart(sc) 493 struct mcd_softc *sc; 494 { 495 struct buf *bp; 496 int s; 497 498 loop: 499 s = splbio(); 500 501 if ((bp = BUFQ_GET(sc->buf_queue)) == NULL) { 502 /* Nothing to do. */ 503 sc->active = 0; 504 splx(s); 505 return; 506 } 507 508 /* Block found to process. */ 509 MCD_TRACE("start: found block bp=0x%p\n", bp); 510 splx(s); 511 512 /* Changed media? */ 513 if ((sc->flags & MCDF_LOADED) == 0) { 514 MCD_TRACE("start: drive not valid%s", "\n"); 515 bp->b_error = EIO; 516 bp->b_flags |= B_ERROR; 517 biodone(bp); 518 goto loop; 519 } 520 521 sc->active = 1; 522 523 /* Instrumentation. */ 524 s = splbio(); 525 disk_busy(&sc->sc_dk); 526 splx(s); 527 528 sc->mbx.retry = MCD_RDRETRIES; 529 sc->mbx.bp = bp; 530 sc->mbx.blkno = bp->b_rawblkno; 531 sc->mbx.nblk = bp->b_bcount / sc->blksize; 532 sc->mbx.sz = sc->blksize; 533 sc->mbx.skip = 0; 534 sc->mbx.state = MCD_S_BEGIN; 535 sc->mbx.mode = MCD_MD_COOKED; 536 537 s = splbio(); 538 (void) mcdintr(sc); 539 splx(s); 540 } 541 542 int 543 mcdread(dev_t dev, struct uio *uio, int flags) 544 { 545 546 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 547 } 548 549 int 550 mcdwrite(dev_t dev, struct uio *uio, int flags) 551 { 552 553 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 554 } 555 556 int 557 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 558 { 559 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 560 int error; 561 int part; 562 #ifdef __HAVE_OLD_DISKLABEL 563 struct disklabel newlabel; 564 #endif 565 566 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 567 568 if ((sc->flags & MCDF_LOADED) == 0) 569 return EIO; 570 571 part = MCDPART(dev); 572 switch (cmd) { 573 case DIOCGDINFO: 574 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 575 return 0; 576 #ifdef __HAVE_OLD_DISKLABEL 577 case ODIOCGDINFO: 578 newlabel = *(sc->sc_dk.dk_label); 579 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 580 return ENOTTY; 581 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 582 return 0; 583 #endif 584 585 case DIOCGPART: 586 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 587 ((struct partinfo *)addr)->part = 588 &sc->sc_dk.dk_label->d_partitions[part]; 589 return 0; 590 591 case DIOCWDINFO: 592 case DIOCSDINFO: 593 #ifdef __HAVE_OLD_DISKLABEL 594 case ODIOCWDINFO: 595 case ODIOCSDINFO: 596 #endif 597 { 598 struct disklabel *lp; 599 600 if ((flag & FWRITE) == 0) 601 return EBADF; 602 603 #ifdef __HAVE_OLD_DISKLABEL 604 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 605 memset(&newlabel, 0, sizeof newlabel); 606 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 607 lp = &newlabel; 608 } else 609 #endif 610 lp = addr; 611 612 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 613 return error; 614 sc->flags |= MCDF_LABELLING; 615 616 error = setdisklabel(sc->sc_dk.dk_label, 617 lp, /*sc->sc_dk.dk_openmask : */0, 618 sc->sc_dk.dk_cpulabel); 619 if (error == 0) { 620 } 621 622 sc->flags &= ~MCDF_LABELLING; 623 lockmgr(&sc->sc_lock, LK_RELEASE, NULL); 624 return error; 625 } 626 627 case DIOCWLABEL: 628 return EBADF; 629 630 case DIOCGDEFLABEL: 631 mcdgetdefaultlabel(sc, addr); 632 return 0; 633 634 #ifdef __HAVE_OLD_DISKLABEL 635 case ODIOCGDEFLABEL: 636 mcdgetdefaultlabel(sc, &newlabel); 637 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 638 return ENOTTY; 639 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 640 return 0; 641 #endif 642 643 case CDIOCPLAYTRACKS: 644 return mcd_playtracks(sc, addr); 645 case CDIOCPLAYMSF: 646 return mcd_playmsf(sc, addr); 647 case CDIOCPLAYBLOCKS: 648 return mcd_playblocks(sc, addr); 649 case CDIOCREADSUBCHANNEL: { 650 struct cd_sub_channel_info info; 651 error = mcd_read_subchannel(sc, addr, &info); 652 if (error != 0) { 653 struct ioc_read_subchannel *ch = addr; 654 error = copyout(&info, ch->data, ch->data_len); 655 } 656 return error; 657 } 658 case CDIOCREADSUBCHANNEL_BUF: 659 return mcd_read_subchannel(sc, addr, 660 &((struct ioc_read_subchannel_buf *)addr)->info); 661 case CDIOREADTOCHEADER: 662 return mcd_toc_header(sc, addr); 663 case CDIOREADTOCENTRYS: { 664 struct cd_toc_entry entries[MCD_MAXTOCS]; 665 struct ioc_read_toc_entry *te = addr; 666 int count; 667 if (te->data_len > sizeof entries) 668 return EINVAL; 669 error = mcd_toc_entries(sc, te, entries, &count); 670 if (error == 0) 671 /* Copy the data back. */ 672 error = copyout(entries, te->data, min(te->data_len, 673 count * sizeof(struct cd_toc_entry))); 674 return error; 675 } 676 case CDIOREADTOCENTRIES_BUF: { 677 struct ioc_read_toc_entry_buf *te = addr; 678 int count; 679 if (te->req.data_len > sizeof te->entry) 680 return EINVAL; 681 return mcd_toc_entries(sc, &te->req, te->entry, &count); 682 } 683 case CDIOCSETPATCH: 684 case CDIOCGETVOL: 685 case CDIOCSETVOL: 686 case CDIOCSETMONO: 687 case CDIOCSETSTEREO: 688 case CDIOCSETMUTE: 689 case CDIOCSETLEFT: 690 case CDIOCSETRIGHT: 691 return EINVAL; 692 case CDIOCRESUME: 693 return mcd_resume(sc); 694 case CDIOCPAUSE: 695 return mcd_pause(sc); 696 case CDIOCSTART: 697 return EINVAL; 698 case CDIOCSTOP: 699 return mcd_stop(sc); 700 case DIOCEJECT: 701 if (*(int *)addr == 0) { 702 /* 703 * Don't force eject: check that we are the only 704 * partition open. If so, unlock it. 705 */ 706 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 707 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 708 sc->sc_dk.dk_openmask) { 709 error = mcd_setlock(sc, MCD_LK_UNLOCK); 710 if (error) 711 return (error); 712 } else { 713 return (EBUSY); 714 } 715 } 716 /* FALLTHROUGH */ 717 case CDIOCEJECT: /* FALLTHROUGH */ 718 case ODIOCEJECT: 719 return mcd_eject(sc); 720 case CDIOCALLOW: 721 return mcd_setlock(sc, MCD_LK_UNLOCK); 722 case CDIOCPREVENT: 723 return mcd_setlock(sc, MCD_LK_LOCK); 724 case DIOCLOCK: 725 return mcd_setlock(sc, 726 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 727 case CDIOCSETDEBUG: 728 sc->debug = 1; 729 return 0; 730 case CDIOCCLRDEBUG: 731 sc->debug = 0; 732 return 0; 733 case CDIOCRESET: 734 return mcd_hard_reset(sc); 735 736 default: 737 return ENOTTY; 738 } 739 740 #ifdef DIAGNOSTIC 741 panic("mcdioctl: impossible"); 742 #endif 743 } 744 745 void 746 mcdgetdefaultlabel(sc, lp) 747 struct mcd_softc *sc; 748 struct disklabel *lp; 749 { 750 751 memset(lp, 0, sizeof(struct disklabel)); 752 753 lp->d_secsize = sc->blksize; 754 lp->d_ntracks = 1; 755 lp->d_nsectors = 100; 756 lp->d_ncylinders = (sc->disksize / 100) + 1; 757 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 758 759 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 760 lp->d_type = 0; /* XXX */ 761 strncpy(lp->d_packname, "fictitious", 16); 762 lp->d_secperunit = sc->disksize; 763 lp->d_rpm = 300; 764 lp->d_interleave = 1; 765 lp->d_flags = D_REMOVABLE; 766 767 lp->d_partitions[0].p_offset = 0; 768 lp->d_partitions[0].p_size = 769 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 770 lp->d_partitions[0].p_fstype = FS_ISO9660; 771 lp->d_partitions[RAW_PART].p_offset = 0; 772 lp->d_partitions[RAW_PART].p_size = 773 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 774 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 775 lp->d_npartitions = RAW_PART + 1; 776 777 lp->d_magic = DISKMAGIC; 778 lp->d_magic2 = DISKMAGIC; 779 lp->d_checksum = dkcksum(lp); 780 } 781 782 /* 783 * This could have been taken from scsi/cd.c, but it is not clear 784 * whether the scsi cd driver is linked in. 785 */ 786 void 787 mcdgetdisklabel(sc) 788 struct mcd_softc *sc; 789 { 790 struct disklabel *lp = sc->sc_dk.dk_label; 791 792 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 793 794 mcdgetdefaultlabel(sc, lp); 795 } 796 797 int 798 mcd_get_parms(sc) 799 struct mcd_softc *sc; 800 { 801 struct mcd_mbox mbx; 802 daddr_t size; 803 int error; 804 805 /* Send volume info command. */ 806 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 807 mbx.cmd.length = 0; 808 mbx.res.length = sizeof(mbx.res.data.volinfo); 809 if ((error = mcd_send(sc, &mbx, 1)) != 0) 810 return error; 811 812 if (mbx.res.data.volinfo.trk_low == 0x00 && 813 mbx.res.data.volinfo.trk_high == 0x00) 814 return EINVAL; 815 816 /* Volinfo is OK. */ 817 sc->volinfo = mbx.res.data.volinfo; 818 sc->blksize = MCD_BLKSIZE_COOKED; 819 size = msf2hsg(sc->volinfo.vol_msf, 0); 820 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 821 return 0; 822 } 823 824 int 825 mcdsize(dev_t dev) 826 { 827 828 /* CD-ROMs are read-only. */ 829 return -1; 830 } 831 832 int 833 mcddump(dev_t dev, daddr_t blkno, void *va, 834 size_t size) 835 { 836 837 /* Not implemented. */ 838 return ENXIO; 839 } 840 841 /* 842 * Find the board and fill in the softc. 843 */ 844 int 845 mcd_find(iot, ioh, sc) 846 bus_space_tag_t iot; 847 bus_space_handle_t ioh; 848 struct mcd_softc *sc; 849 { 850 int i; 851 struct mcd_mbox mbx; 852 853 sc->sc_iot = iot; 854 sc->sc_ioh = ioh; 855 856 /* Send a reset. */ 857 bus_space_write_1(iot, ioh, MCD_RESET, 0); 858 delay(1000000); 859 /* Get any pending status and throw away. */ 860 for (i = 10; i; i--) 861 bus_space_read_1(iot, ioh, MCD_STATUS); 862 delay(1000); 863 864 /* Send get status command. */ 865 mbx.cmd.opcode = MCD_CMDGETSTAT; 866 mbx.cmd.length = 0; 867 mbx.res.length = 0; 868 if (mcd_send(sc, &mbx, 0) != 0) 869 return 0; 870 871 /* Get info about the drive. */ 872 mbx.cmd.opcode = MCD_CMDCONTINFO; 873 mbx.cmd.length = 0; 874 mbx.res.length = sizeof(mbx.res.data.continfo); 875 if (mcd_send(sc, &mbx, 0) != 0) 876 return 0; 877 878 /* 879 * The following is code which is not guaranteed to work for all 880 * drives, because the meaning of the expected 'M' is not clear 881 * (M_itsumi is an obvious assumption, but I don't trust that). 882 * Also, the original hack had a bogus condition that always 883 * returned true. 884 * 885 * Note: Which models support interrupts? >=LU005S? 886 */ 887 sc->readcmd = MCD_CMDREADSINGLESPEED; 888 switch (mbx.res.data.continfo.code) { 889 case 'M': 890 if (mbx.res.data.continfo.version <= 2) 891 sc->type = "LU002S"; 892 else if (mbx.res.data.continfo.version <= 5) 893 sc->type = "LU005S"; 894 else 895 sc->type = "LU006S"; 896 break; 897 case 'F': 898 sc->type = "FX001"; 899 break; 900 case 'D': 901 sc->type = "FX001D"; 902 sc->readcmd = MCD_CMDREADDOUBLESPEED; 903 break; 904 default: 905 /* 906 * mcd_send() says the response looked OK but the 907 * drive type is unknown. If mcd_promisc, match anyway. 908 */ 909 if (mcd_promisc != 0) 910 return 0; 911 912 #ifdef MCDDEBUG 913 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 914 sc->sc_dev.dv_xname, 915 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 916 #endif 917 sc->type = 0; 918 break; 919 } 920 921 return 1; 922 923 } 924 925 int 926 mcdprobe(struct device *parent, struct cfdata *match, 927 void *aux) 928 { 929 struct isa_attach_args *ia = aux; 930 struct mcd_softc sc; 931 bus_space_tag_t iot = ia->ia_iot; 932 bus_space_handle_t ioh; 933 int rv; 934 935 if (ia->ia_nio < 1) 936 return (0); 937 if (ia->ia_nirq < 1) 938 return (0); 939 940 if (ISA_DIRECT_CONFIG(ia)) 941 return (0); 942 943 /* Disallow wildcarded i/o address. */ 944 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 945 return (0); 946 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 947 return (0); 948 949 /* Map i/o space */ 950 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 951 return 0; 952 953 sc.debug = 0; 954 sc.probe = 1; 955 956 rv = mcd_find(iot, ioh, &sc); 957 958 bus_space_unmap(iot, ioh, MCD_NPORT); 959 960 if (rv) { 961 ia->ia_nio = 1; 962 ia->ia_io[0].ir_size = MCD_NPORT; 963 964 ia->ia_nirq = 1; 965 966 ia->ia_niomem = 0; 967 ia->ia_ndrq = 0; 968 } 969 970 return (rv); 971 } 972 973 int 974 mcd_getreply(sc) 975 struct mcd_softc *sc; 976 { 977 bus_space_tag_t iot = sc->sc_iot; 978 bus_space_handle_t ioh = sc->sc_ioh; 979 int i; 980 981 /* Wait until xfer port senses data ready. */ 982 for (i = DELAY_GETREPLY; i; i--) { 983 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 984 MCD_XF_STATUSUNAVAIL) == 0) 985 break; 986 delay(DELAY_GRANULARITY); 987 } 988 if (!i) 989 return -1; 990 991 /* Get the data. */ 992 return bus_space_read_1(iot, ioh, MCD_STATUS); 993 } 994 995 int 996 mcd_getstat(sc) 997 struct mcd_softc *sc; 998 { 999 struct mcd_mbox mbx; 1000 1001 mbx.cmd.opcode = MCD_CMDGETSTAT; 1002 mbx.cmd.length = 0; 1003 mbx.res.length = 0; 1004 return mcd_send(sc, &mbx, 1); 1005 } 1006 1007 int 1008 mcd_getresult(sc, res) 1009 struct mcd_softc *sc; 1010 struct mcd_result *res; 1011 { 1012 int i, x; 1013 1014 if (sc->debug) 1015 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1016 res->length); 1017 1018 if ((x = mcd_getreply(sc)) < 0) { 1019 if (sc->debug) 1020 printf(" timeout\n"); 1021 else if (!sc->probe) 1022 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1023 return EIO; 1024 } 1025 if (sc->debug) 1026 printf(" %02x", (u_int)x); 1027 sc->status = x; 1028 mcd_setflags(sc); 1029 1030 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1031 return EINVAL; 1032 1033 for (i = 0; i < res->length; i++) { 1034 if ((x = mcd_getreply(sc)) < 0) { 1035 if (sc->debug) 1036 printf(" timeout\n"); 1037 else 1038 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1039 return EIO; 1040 } 1041 if (sc->debug) 1042 printf(" %02x", (u_int)x); 1043 res->data.raw.data[i] = x; 1044 } 1045 1046 if (sc->debug) 1047 printf(" succeeded\n"); 1048 1049 #ifdef MCDDEBUG 1050 delay(10); 1051 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1052 MCD_XF_STATUSUNAVAIL) == 0) { 1053 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1054 printf("%s: got extra byte %02x during getstatus\n", 1055 sc->sc_dev.dv_xname, (u_int)x); 1056 delay(10); 1057 } 1058 #endif 1059 1060 return 0; 1061 } 1062 1063 void 1064 mcd_setflags(sc) 1065 struct mcd_softc *sc; 1066 { 1067 1068 /* Check flags. */ 1069 if ((sc->flags & MCDF_LOADED) != 0 && 1070 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1071 MCD_ST_DSKIN) { 1072 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1073 printf("%s: door open\n", sc->sc_dev.dv_xname); 1074 else if ((sc->status & MCD_ST_DSKIN) == 0) 1075 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1076 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1077 printf("%s: media change\n", sc->sc_dev.dv_xname); 1078 sc->flags &= ~MCDF_LOADED; 1079 } 1080 1081 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1082 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1083 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1084 sc->audio_status == CD_AS_AUDIO_INVALID) 1085 sc->audio_status = CD_AS_PLAY_COMPLETED; 1086 } 1087 1088 int 1089 mcd_send(sc, mbx, diskin) 1090 struct mcd_softc *sc; 1091 struct mcd_mbox *mbx; 1092 int diskin; 1093 { 1094 int retry, i, error; 1095 bus_space_tag_t iot = sc->sc_iot; 1096 bus_space_handle_t ioh = sc->sc_ioh; 1097 1098 if (sc->debug) { 1099 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1100 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1101 for (i = 0; i < mbx->cmd.length; i++) 1102 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1103 printf("\n"); 1104 } 1105 1106 for (retry = MCD_RETRIES; retry; retry--) { 1107 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1108 for (i = 0; i < mbx->cmd.length; i++) 1109 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1110 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1111 break; 1112 if (error == EINVAL) 1113 return error; 1114 } 1115 if (!retry) 1116 return error; 1117 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1118 return EIO; 1119 1120 return 0; 1121 } 1122 1123 static int 1124 bcd2bin(b) 1125 bcd_t b; 1126 { 1127 1128 return (b >> 4) * 10 + (b & 15); 1129 } 1130 1131 static bcd_t 1132 bin2bcd(b) 1133 int b; 1134 { 1135 1136 return ((b / 10) << 4) | (b % 10); 1137 } 1138 1139 static void 1140 hsg2msf(hsg, msf) 1141 int hsg; 1142 bcd_t *msf; 1143 { 1144 1145 hsg += 150; 1146 F_msf(msf) = bin2bcd(hsg % 75); 1147 hsg /= 75; 1148 S_msf(msf) = bin2bcd(hsg % 60); 1149 hsg /= 60; 1150 M_msf(msf) = bin2bcd(hsg); 1151 } 1152 1153 static daddr_t 1154 msf2hsg(msf, relative) 1155 bcd_t *msf; 1156 int relative; 1157 { 1158 daddr_t blkno; 1159 1160 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1161 bcd2bin(S_msf(msf)) * 75 + 1162 bcd2bin(F_msf(msf)); 1163 if (!relative) 1164 blkno -= 150; 1165 return blkno; 1166 } 1167 1168 void 1169 mcd_pseudointr(v) 1170 void *v; 1171 { 1172 struct mcd_softc *sc = v; 1173 int s; 1174 1175 s = splbio(); 1176 (void) mcdintr(sc); 1177 splx(s); 1178 } 1179 1180 /* 1181 * State machine to process read requests. 1182 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1183 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1184 * MCD_S_WAITREAD: wait for read ready, read data. 1185 */ 1186 int 1187 mcdintr(arg) 1188 void *arg; 1189 { 1190 struct mcd_softc *sc = arg; 1191 struct mcd_mbx *mbx = &sc->mbx; 1192 struct buf *bp = mbx->bp; 1193 bus_space_tag_t iot = sc->sc_iot; 1194 bus_space_handle_t ioh = sc->sc_ioh; 1195 1196 int i; 1197 u_char x; 1198 bcd_t msf[3]; 1199 1200 switch (mbx->state) { 1201 case MCD_S_IDLE: 1202 return 0; 1203 1204 case MCD_S_BEGIN: 1205 tryagain: 1206 if (mbx->mode == sc->lastmode) 1207 goto firstblock; 1208 1209 sc->lastmode = MCD_MD_UNKNOWN; 1210 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1211 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1212 1213 mbx->count = RDELAY_WAITMODE; 1214 mbx->state = MCD_S_WAITMODE; 1215 1216 case MCD_S_WAITMODE: 1217 callout_stop(&sc->sc_pintr_ch); 1218 for (i = 20; i; i--) { 1219 x = bus_space_read_1(iot, ioh, MCD_XFER); 1220 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1221 break; 1222 delay(50); 1223 } 1224 if (i == 0) 1225 goto hold; 1226 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1227 mcd_setflags(sc); 1228 if ((sc->flags & MCDF_LOADED) == 0) 1229 goto changed; 1230 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1231 RDELAY_WAITMODE - mbx->count); 1232 1233 sc->lastmode = mbx->mode; 1234 1235 firstblock: 1236 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1237 (int) mbx->blkno, bp); 1238 1239 /* Build parameter block. */ 1240 hsg2msf(mbx->blkno, msf); 1241 1242 /* Send the read command. */ 1243 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1244 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1245 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1246 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1247 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1248 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1249 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1250 1251 mbx->count = RDELAY_WAITREAD; 1252 mbx->state = MCD_S_WAITREAD; 1253 1254 case MCD_S_WAITREAD: 1255 callout_stop(&sc->sc_pintr_ch); 1256 nextblock: 1257 loop: 1258 for (i = 20; i; i--) { 1259 x = bus_space_read_1(iot, ioh, MCD_XFER); 1260 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1261 goto gotblock; 1262 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1263 break; 1264 delay(50); 1265 } 1266 if (i == 0) 1267 goto hold; 1268 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1269 mcd_setflags(sc); 1270 if ((sc->flags & MCDF_LOADED) == 0) 1271 goto changed; 1272 #if 0 1273 printf("%s: got status byte %02x during read\n", 1274 sc->sc_dev.dv_xname, (u_int)sc->status); 1275 #endif 1276 goto loop; 1277 1278 gotblock: 1279 MCD_TRACE("doread: got data delay=%d\n", 1280 RDELAY_WAITREAD - mbx->count); 1281 1282 /* Data is ready. */ 1283 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1284 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1285 (char *)bp->b_data + mbx->skip, mbx->sz); 1286 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1287 mbx->blkno += 1; 1288 mbx->skip += mbx->sz; 1289 if (--mbx->nblk > 0) 1290 goto nextblock; 1291 1292 mbx->state = MCD_S_IDLE; 1293 1294 /* Return buffer. */ 1295 bp->b_resid = 0; 1296 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1297 biodone(bp); 1298 1299 mcdstart(sc); 1300 return 1; 1301 1302 hold: 1303 if (mbx->count-- < 0) { 1304 printf("%s: timeout in state %d", 1305 sc->sc_dev.dv_xname, mbx->state); 1306 goto readerr; 1307 } 1308 1309 #if 0 1310 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1311 mbx->state); 1312 #endif 1313 callout_reset(&sc->sc_pintr_ch, hz / 100, 1314 mcd_pseudointr, sc); 1315 return -1; 1316 } 1317 1318 readerr: 1319 if (mbx->retry-- > 0) { 1320 printf("; retrying\n"); 1321 goto tryagain; 1322 } else 1323 printf("; giving up\n"); 1324 1325 changed: 1326 /* Invalidate the buffer. */ 1327 bp->b_flags |= B_ERROR; 1328 bp->b_resid = bp->b_bcount - mbx->skip; 1329 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1330 (bp->b_flags & B_READ)); 1331 biodone(bp); 1332 1333 mcdstart(sc); 1334 return -1; 1335 1336 #ifdef notyet 1337 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1338 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1339 delay(300000); 1340 (void) mcd_getstat(sc, 1); 1341 (void) mcd_getstat(sc, 1); 1342 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1343 sc->debug = 1; /* preventive set debug mode */ 1344 #endif 1345 } 1346 1347 void 1348 mcd_soft_reset(sc) 1349 struct mcd_softc *sc; 1350 { 1351 1352 sc->debug = 0; 1353 sc->flags = 0; 1354 sc->lastmode = MCD_MD_UNKNOWN; 1355 sc->lastupc = MCD_UPC_UNKNOWN; 1356 sc->audio_status = CD_AS_AUDIO_INVALID; 1357 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1358 } 1359 1360 int 1361 mcd_hard_reset(sc) 1362 struct mcd_softc *sc; 1363 { 1364 struct mcd_mbox mbx; 1365 1366 mcd_soft_reset(sc); 1367 1368 mbx.cmd.opcode = MCD_CMDRESET; 1369 mbx.cmd.length = 0; 1370 mbx.res.length = 0; 1371 return mcd_send(sc, &mbx, 0); 1372 } 1373 1374 int 1375 mcd_setmode(sc, mode) 1376 struct mcd_softc *sc; 1377 int mode; 1378 { 1379 struct mcd_mbox mbx; 1380 int error; 1381 1382 if (sc->lastmode == mode) 1383 return 0; 1384 if (sc->debug) 1385 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1386 sc->lastmode = MCD_MD_UNKNOWN; 1387 1388 mbx.cmd.opcode = MCD_CMDSETMODE; 1389 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1390 mbx.cmd.data.datamode.mode = mode; 1391 mbx.res.length = 0; 1392 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1393 return error; 1394 1395 sc->lastmode = mode; 1396 return 0; 1397 } 1398 1399 int 1400 mcd_setupc(sc, upc) 1401 struct mcd_softc *sc; 1402 int upc; 1403 { 1404 struct mcd_mbox mbx; 1405 int error; 1406 1407 if (sc->lastupc == upc) 1408 return 0; 1409 if (sc->debug) 1410 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1411 sc->lastupc = MCD_UPC_UNKNOWN; 1412 1413 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1414 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1415 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1416 mbx.cmd.data.config.data1 = upc; 1417 mbx.res.length = 0; 1418 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1419 return error; 1420 1421 sc->lastupc = upc; 1422 return 0; 1423 } 1424 1425 int 1426 mcd_toc_header(sc, th) 1427 struct mcd_softc *sc; 1428 struct ioc_toc_header *th; 1429 { 1430 1431 if (sc->debug) 1432 printf("%s: mcd_toc_header: reading toc header\n", 1433 sc->sc_dev.dv_xname); 1434 1435 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1436 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1437 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1438 1439 return 0; 1440 } 1441 1442 int 1443 mcd_read_toc(sc) 1444 struct mcd_softc *sc; 1445 { 1446 struct ioc_toc_header th; 1447 union mcd_qchninfo q; 1448 int error, trk, idx, retry; 1449 1450 if ((error = mcd_toc_header(sc, &th)) != 0) 1451 return error; 1452 1453 if ((error = mcd_stop(sc)) != 0) 1454 return error; 1455 1456 if (sc->debug) 1457 printf("%s: read_toc: reading qchannel info\n", 1458 sc->sc_dev.dv_xname); 1459 1460 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1461 sc->toc[trk].toc.idx_no = 0x00; 1462 trk = th.ending_track - th.starting_track + 1; 1463 for (retry = 300; retry && trk > 0; retry--) { 1464 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1465 break; 1466 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1467 continue; 1468 idx = bcd2bin(q.toc.idx_no); 1469 if (idx < MCD_MAXTOCS && 1470 sc->toc[idx].toc.idx_no == 0x00) { 1471 sc->toc[idx] = q; 1472 trk--; 1473 } 1474 } 1475 1476 /* Inform the drive that we're finished so it turns off the light. */ 1477 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1478 return error; 1479 1480 if (trk != 0) 1481 return EINVAL; 1482 1483 /* Add a fake last+1 for mcd_playtracks(). */ 1484 idx = th.ending_track + 1; 1485 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1486 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1487 sc->toc[idx].toc.trk_no = 0x00; 1488 sc->toc[idx].toc.idx_no = 0xaa; 1489 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1490 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1491 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1492 1493 return 0; 1494 } 1495 1496 int 1497 mcd_toc_entries(sc, te, entries, count) 1498 struct mcd_softc *sc; 1499 struct ioc_read_toc_entry *te; 1500 struct cd_toc_entry *entries; 1501 int *count; 1502 { 1503 int len = te->data_len; 1504 struct ioc_toc_header header; 1505 u_char trk; 1506 daddr_t lba; 1507 int error, n; 1508 1509 if (len < sizeof(struct cd_toc_entry)) 1510 return EINVAL; 1511 if (te->address_format != CD_MSF_FORMAT && 1512 te->address_format != CD_LBA_FORMAT) 1513 return EINVAL; 1514 1515 /* Copy the TOC header. */ 1516 if ((error = mcd_toc_header(sc, &header)) != 0) 1517 return error; 1518 1519 /* Verify starting track. */ 1520 trk = te->starting_track; 1521 if (trk == 0x00) 1522 trk = header.starting_track; 1523 else if (trk == 0xaa) 1524 trk = header.ending_track + 1; 1525 else if (trk < header.starting_track || 1526 trk > header.ending_track + 1) 1527 return EINVAL; 1528 1529 /* Copy the TOC data. */ 1530 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1531 if (n * sizeof entries[0] > len) 1532 break; 1533 if (sc->toc[trk].toc.idx_no == 0x00) 1534 continue; 1535 entries[n].control = sc->toc[trk].toc.control; 1536 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1537 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1538 switch (te->address_format) { 1539 case CD_MSF_FORMAT: 1540 entries[n].addr.addr[0] = 0; 1541 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1542 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1543 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1544 break; 1545 case CD_LBA_FORMAT: 1546 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1547 entries[n].addr.addr[0] = lba >> 24; 1548 entries[n].addr.addr[1] = lba >> 16; 1549 entries[n].addr.addr[2] = lba >> 8; 1550 entries[n].addr.addr[3] = lba; 1551 break; 1552 } 1553 } 1554 1555 *count = n; 1556 return 0; 1557 } 1558 1559 int 1560 mcd_stop(sc) 1561 struct mcd_softc *sc; 1562 { 1563 struct mcd_mbox mbx; 1564 int error; 1565 1566 if (sc->debug) 1567 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1568 1569 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1570 mbx.cmd.length = 0; 1571 mbx.res.length = 0; 1572 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1573 return error; 1574 1575 sc->audio_status = CD_AS_PLAY_COMPLETED; 1576 return 0; 1577 } 1578 1579 int 1580 mcd_getqchan(sc, q, qchn) 1581 struct mcd_softc *sc; 1582 union mcd_qchninfo *q; 1583 int qchn; 1584 { 1585 struct mcd_mbox mbx; 1586 int error; 1587 1588 if (qchn == CD_TRACK_INFO) { 1589 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1590 return error; 1591 } else { 1592 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1593 return error; 1594 } 1595 if (qchn == CD_MEDIA_CATALOG) { 1596 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1597 return error; 1598 } else { 1599 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1600 return error; 1601 } 1602 1603 mbx.cmd.opcode = MCD_CMDGETQCHN; 1604 mbx.cmd.length = 0; 1605 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1606 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1607 return error; 1608 1609 *q = mbx.res.data.qchninfo; 1610 return 0; 1611 } 1612 1613 int 1614 mcd_read_subchannel(sc, ch, info) 1615 struct mcd_softc *sc; 1616 struct ioc_read_subchannel *ch; 1617 struct cd_sub_channel_info *info; 1618 { 1619 int len = ch->data_len; 1620 union mcd_qchninfo q; 1621 daddr_t lba; 1622 int error; 1623 1624 if (sc->debug) 1625 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1626 ch->address_format, ch->data_format); 1627 1628 if (len > sizeof(*info) || len < sizeof(info->header)) 1629 return EINVAL; 1630 if (ch->address_format != CD_MSF_FORMAT && 1631 ch->address_format != CD_LBA_FORMAT) 1632 return EINVAL; 1633 if (ch->data_format != CD_CURRENT_POSITION && 1634 ch->data_format != CD_MEDIA_CATALOG) 1635 return EINVAL; 1636 1637 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1638 return error; 1639 1640 info->header.audio_status = sc->audio_status; 1641 info->what.media_catalog.data_format = ch->data_format; 1642 1643 switch (ch->data_format) { 1644 case CD_MEDIA_CATALOG: 1645 info->what.media_catalog.mc_valid = 1; 1646 #if 0 1647 info->what.media_catalog.mc_number = 1648 #endif 1649 break; 1650 1651 case CD_CURRENT_POSITION: 1652 info->what.position.track_number = bcd2bin(q.current.trk_no); 1653 info->what.position.index_number = bcd2bin(q.current.idx_no); 1654 switch (ch->address_format) { 1655 case CD_MSF_FORMAT: 1656 info->what.position.reladdr.addr[0] = 0; 1657 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1658 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1659 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1660 info->what.position.absaddr.addr[0] = 0; 1661 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1662 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1663 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1664 break; 1665 case CD_LBA_FORMAT: 1666 lba = msf2hsg(q.current.relative_pos, 1); 1667 /* 1668 * Pre-gap has index number of 0, and decreasing MSF 1669 * address. Must be converted to negative LBA, per 1670 * SCSI spec. 1671 */ 1672 if (info->what.position.index_number == 0x00) 1673 lba = -lba; 1674 info->what.position.reladdr.addr[0] = lba >> 24; 1675 info->what.position.reladdr.addr[1] = lba >> 16; 1676 info->what.position.reladdr.addr[2] = lba >> 8; 1677 info->what.position.reladdr.addr[3] = lba; 1678 lba = msf2hsg(q.current.absolute_pos, 0); 1679 info->what.position.absaddr.addr[0] = lba >> 24; 1680 info->what.position.absaddr.addr[1] = lba >> 16; 1681 info->what.position.absaddr.addr[2] = lba >> 8; 1682 info->what.position.absaddr.addr[3] = lba; 1683 break; 1684 } 1685 break; 1686 } 1687 1688 return 0; 1689 } 1690 1691 int 1692 mcd_playtracks(sc, p) 1693 struct mcd_softc *sc; 1694 struct ioc_play_track *p; 1695 { 1696 struct mcd_mbox mbx; 1697 int a = p->start_track; 1698 int z = p->end_track; 1699 int error; 1700 1701 if (sc->debug) 1702 printf("%s: playtracks: from %d:%d to %d:%d\n", 1703 sc->sc_dev.dv_xname, 1704 a, p->start_index, z, p->end_index); 1705 1706 if (a < bcd2bin(sc->volinfo.trk_low) || 1707 a > bcd2bin(sc->volinfo.trk_high) || 1708 a > z || 1709 z < bcd2bin(sc->volinfo.trk_low) || 1710 z > bcd2bin(sc->volinfo.trk_high)) 1711 return EINVAL; 1712 1713 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1714 return error; 1715 1716 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1717 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1718 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1719 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1720 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1721 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1722 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1723 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1724 sc->lastpb = mbx.cmd; 1725 mbx.res.length = 0; 1726 return mcd_send(sc, &mbx, 1); 1727 } 1728 1729 int 1730 mcd_playmsf(sc, p) 1731 struct mcd_softc *sc; 1732 struct ioc_play_msf *p; 1733 { 1734 struct mcd_mbox mbx; 1735 int error; 1736 1737 if (sc->debug) 1738 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1739 sc->sc_dev.dv_xname, 1740 p->start_m, p->start_s, p->start_f, 1741 p->end_m, p->end_s, p->end_f); 1742 1743 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1744 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1745 return EINVAL; 1746 1747 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1748 return error; 1749 1750 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1751 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1752 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1753 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1754 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1755 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1756 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1757 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1758 sc->lastpb = mbx.cmd; 1759 mbx.res.length = 0; 1760 return mcd_send(sc, &mbx, 1); 1761 } 1762 1763 int 1764 mcd_playblocks(sc, p) 1765 struct mcd_softc *sc; 1766 struct ioc_play_blocks *p; 1767 { 1768 struct mcd_mbox mbx; 1769 int error; 1770 1771 if (sc->debug) 1772 printf("%s: playblocks: blkno %d length %d\n", 1773 sc->sc_dev.dv_xname, p->blk, p->len); 1774 1775 if (p->blk > sc->disksize || p->len > sc->disksize || 1776 (p->blk + p->len) > sc->disksize) 1777 return 0; 1778 1779 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1780 return error; 1781 1782 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1783 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1784 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1785 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1786 sc->lastpb = mbx.cmd; 1787 mbx.res.length = 0; 1788 return mcd_send(sc, &mbx, 1); 1789 } 1790 1791 int 1792 mcd_pause(sc) 1793 struct mcd_softc *sc; 1794 { 1795 union mcd_qchninfo q; 1796 int error; 1797 1798 /* Verify current status. */ 1799 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1800 printf("%s: pause: attempted when not playing\n", 1801 sc->sc_dev.dv_xname); 1802 return EINVAL; 1803 } 1804 1805 /* Get the current position. */ 1806 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1807 return error; 1808 1809 /* Copy it into lastpb. */ 1810 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1811 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1812 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1813 1814 /* Stop playing. */ 1815 if ((error = mcd_stop(sc)) != 0) 1816 return error; 1817 1818 /* Set the proper status and exit. */ 1819 sc->audio_status = CD_AS_PLAY_PAUSED; 1820 return 0; 1821 } 1822 1823 int 1824 mcd_resume(sc) 1825 struct mcd_softc *sc; 1826 { 1827 struct mcd_mbox mbx; 1828 int error; 1829 1830 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1831 return EINVAL; 1832 1833 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1834 return error; 1835 1836 mbx.cmd = sc->lastpb; 1837 mbx.res.length = 0; 1838 return mcd_send(sc, &mbx, 1); 1839 } 1840 1841 int 1842 mcd_eject(sc) 1843 struct mcd_softc *sc; 1844 { 1845 struct mcd_mbox mbx; 1846 1847 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1848 mbx.cmd.length = 0; 1849 mbx.res.length = 0; 1850 return mcd_send(sc, &mbx, 0); 1851 } 1852 1853 int 1854 mcd_setlock(sc, mode) 1855 struct mcd_softc *sc; 1856 int mode; 1857 { 1858 struct mcd_mbox mbx; 1859 1860 mbx.cmd.opcode = MCD_CMDSETLOCK; 1861 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1862 mbx.cmd.data.lockmode.mode = mode; 1863 mbx.res.length = 0; 1864 return mcd_send(sc, &mbx, 1); 1865 } 1866
Indexes created Tue Sep 30 11:09:46 GMT 2025