mcd.c revision 1.103
1 /* $NetBSD: mcd.c,v 1.103 2007/12/05 07:58:30 ad Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * Copyright 1993 by Holger Veit (data part) 21 * Copyright 1993 by Brian Moore (audio part) 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This software was developed by Holger Veit and Brian Moore 35 * for use with "386BSD" and similar operating systems. 36 * "Similar operating systems" includes mainly non-profit oriented 37 * systems for research and education, including but not restricted to 38 * "NetBSD", "FreeBSD", "Mach" (by CMU). 39 * 4. Neither the name of the developer(s) nor the name "386BSD" 40 * may be used to endorse or promote products derived from this 41 * software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/ 57 58 #include <sys/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: mcd.c,v 1.103 2007/12/05 07:58:30 ad Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/callout.h> 64 #include <sys/kernel.h> 65 #include <sys/proc.h> 66 #include <sys/conf.h> 67 #include <sys/file.h> 68 #include <sys/buf.h> 69 #include <sys/bufq.h> 70 #include <sys/stat.h> 71 #include <sys/uio.h> 72 #include <sys/ioctl.h> 73 #include <sys/cdio.h> 74 #include <sys/errno.h> 75 #include <sys/disklabel.h> 76 #include <sys/device.h> 77 #include <sys/disk.h> 78 #include <sys/mutex.h> 79 #include <sys/cpu.h> 80 #include <sys/intr.h> 81 #include <sys/bus.h> 82 83 #include <dev/isa/isavar.h> 84 #include <dev/isa/mcdreg.h> 85 86 #ifndef MCDDEBUG 87 #define MCD_TRACE(fmt,...) 88 #else 89 #define MCD_TRACE(fmt,...) {if (sc->debug) {printf("%s: st=%02x: ", 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 kmutex_t sc_lock; 126 void *sc_ih; 127 128 callout_t sc_pintr_ch; 129 130 bus_space_tag_t sc_iot; 131 bus_space_handle_t sc_ioh; 132 133 int irq, drq; 134 135 const char *type; 136 int flags; 137 #define MCDF_WLABEL 0x04 /* label is writable */ 138 #define MCDF_LABELLING 0x08 /* writing label */ 139 #define MCDF_LOADED 0x10 /* parameters loaded */ 140 short status; 141 short audio_status; 142 int blksize; 143 u_long disksize; 144 struct mcd_volinfo volinfo; 145 union mcd_qchninfo toc[MCD_MAXTOCS]; 146 struct mcd_command lastpb; 147 struct mcd_mbx mbx; 148 int lastmode; 149 #define MCD_MD_UNKNOWN -1 150 int lastupc; 151 #define MCD_UPC_UNKNOWN -1 152 struct bufq_state *buf_queue; 153 int active; 154 u_char readcmd; 155 u_char debug; 156 u_char probe; 157 }; 158 159 static int bcd2bin(bcd_t); 160 static bcd_t bin2bcd(int); 161 static void hsg2msf(int, bcd_t *); 162 static daddr_t msf2hsg(bcd_t *, int); 163 164 int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *); 165 int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *); 166 int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *); 167 int mcd_stop(struct mcd_softc *); 168 int mcd_eject(struct mcd_softc *); 169 int mcd_read_subchannel(struct mcd_softc *, struct ioc_read_subchannel *, 170 struct cd_sub_channel_info *); 171 int mcd_pause(struct mcd_softc *); 172 int mcd_resume(struct mcd_softc *); 173 int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *); 174 int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *, 175 struct cd_toc_entry *, int *); 176 177 int mcd_getreply(struct mcd_softc *); 178 int mcd_getstat(struct mcd_softc *); 179 int mcd_getresult(struct mcd_softc *, struct mcd_result *); 180 void mcd_setflags(struct mcd_softc *); 181 int mcd_get(struct mcd_softc *, char *, int); 182 int mcd_send(struct mcd_softc *, struct mcd_mbox *, int); 183 int mcdintr(void *); 184 void mcd_soft_reset(struct mcd_softc *); 185 int mcd_hard_reset(struct mcd_softc *); 186 int mcd_setmode(struct mcd_softc *, int); 187 int mcd_setupc(struct mcd_softc *, int); 188 int mcd_read_toc(struct mcd_softc *); 189 int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int); 190 int mcd_setlock(struct mcd_softc *, int); 191 192 int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *); 193 int mcdprobe(struct device *, struct cfdata *, void *); 194 void mcdattach(struct device *, struct device *, void *); 195 196 CFATTACH_DECL(mcd, sizeof(struct mcd_softc), 197 mcdprobe, mcdattach, NULL, NULL); 198 199 extern struct cfdriver mcd_cd; 200 201 dev_type_open(mcdopen); 202 dev_type_close(mcdclose); 203 dev_type_read(mcdread); 204 dev_type_write(mcdwrite); 205 dev_type_ioctl(mcdioctl); 206 dev_type_strategy(mcdstrategy); 207 dev_type_dump(mcddump); 208 dev_type_size(mcdsize); 209 210 const struct bdevsw mcd_bdevsw = { 211 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK 212 }; 213 214 const struct cdevsw mcd_cdevsw = { 215 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl, 216 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 217 }; 218 219 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *); 220 void mcdgetdisklabel(struct mcd_softc *); 221 int mcd_get_parms(struct mcd_softc *); 222 void mcdstart(struct mcd_softc *); 223 void mcd_pseudointr(void *); 224 225 struct dkdriver mcddkdriver = { mcdstrategy, NULL, }; 226 227 #define MCD_RETRIES 3 228 #define MCD_RDRETRIES 3 229 230 /* several delays */ 231 #define RDELAY_WAITMODE 300 232 #define RDELAY_WAITREAD 800 233 234 #define DELAY_GRANULARITY 25 /* 25us */ 235 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 236 237 void 238 mcdattach(struct device *parent, struct device *self, void *aux) 239 { 240 struct mcd_softc *sc = (void *)self; 241 struct isa_attach_args *ia = aux; 242 bus_space_tag_t iot = ia->ia_iot; 243 bus_space_handle_t ioh; 244 struct mcd_mbox mbx; 245 246 /* Map i/o space */ 247 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) { 248 printf(": can't map i/o space\n"); 249 return; 250 } 251 252 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 253 254 sc->sc_iot = iot; 255 sc->sc_ioh = ioh; 256 257 sc->probe = 0; 258 sc->debug = 0; 259 260 if (!mcd_find(iot, ioh, sc)) { 261 printf(": mcd_find failed\n"); 262 return; 263 } 264 265 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 266 callout_init(&sc->sc_pintr_ch, 0); 267 268 /* 269 * Initialize and attach the disk structure. 270 */ 271 disk_init(&sc->sc_dk, sc->sc_dev.dv_xname, &mcddkdriver); 272 disk_attach(&sc->sc_dk); 273 274 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 275 276 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 277 278 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 279 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 280 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 281 mbx.cmd.data.config.data1 = 0x01; 282 mbx.res.length = 0; 283 (void) mcd_send(sc, &mbx, 0); 284 285 mcd_soft_reset(sc); 286 287 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 288 IST_EDGE, IPL_BIO, mcdintr, sc); 289 } 290 291 int 292 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l) 293 { 294 int error, part; 295 struct mcd_softc *sc; 296 297 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 298 if (sc == NULL) 299 return ENXIO; 300 301 mutex_enter(&sc->sc_lock); 302 303 if (sc->sc_dk.dk_openmask != 0) { 304 /* 305 * If any partition is open, but the disk has been invalidated, 306 * disallow further opens. 307 */ 308 if ((sc->flags & MCDF_LOADED) == 0) { 309 error = EIO; 310 goto bad3; 311 } 312 } else { 313 /* 314 * Lock the drawer. This will also notice any pending disk 315 * change or door open indicator and clear the MCDF_LOADED bit 316 * if necessary. 317 */ 318 (void) mcd_setlock(sc, MCD_LK_LOCK); 319 320 if ((sc->flags & MCDF_LOADED) == 0) { 321 /* Partially reset the state. */ 322 sc->lastmode = MCD_MD_UNKNOWN; 323 sc->lastupc = MCD_UPC_UNKNOWN; 324 325 sc->flags |= MCDF_LOADED; 326 327 /* Set the mode, causing the disk to spin up. */ 328 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 329 goto bad2; 330 331 /* Load the physical device parameters. */ 332 if (mcd_get_parms(sc) != 0) { 333 error = ENXIO; 334 goto bad2; 335 } 336 337 /* Read the table of contents. */ 338 if ((error = mcd_read_toc(sc)) != 0) 339 goto bad2; 340 341 /* Fabricate a disk label. */ 342 mcdgetdisklabel(sc); 343 } 344 } 345 346 part = MCDPART(dev); 347 348 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part, 349 sc->disksize, sc->blksize); 350 351 /* Check that the partition exists. */ 352 if (part != RAW_PART && 353 (part >= sc->sc_dk.dk_label->d_npartitions || 354 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 355 error = ENXIO; 356 goto bad; 357 } 358 359 /* Insure only one open at a time. */ 360 switch (fmt) { 361 case S_IFCHR: 362 sc->sc_dk.dk_copenmask |= (1 << part); 363 break; 364 case S_IFBLK: 365 sc->sc_dk.dk_bopenmask |= (1 << part); 366 break; 367 } 368 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 369 370 mutex_exit(&sc->sc_lock); 371 return 0; 372 373 bad2: 374 sc->flags &= ~MCDF_LOADED; 375 376 bad: 377 if (sc->sc_dk.dk_openmask == 0) { 378 #if 0 379 (void) mcd_setmode(sc, MCD_MD_SLEEP); 380 #endif 381 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 382 } 383 384 bad3: 385 mutex_exit(&sc->sc_lock); 386 return error; 387 } 388 389 int 390 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l) 391 { 392 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 393 int part = MCDPART(dev); 394 395 MCD_TRACE("close: partition=%d\n", part); 396 397 mutex_enter(&sc->sc_lock); 398 399 switch (fmt) { 400 case S_IFCHR: 401 sc->sc_dk.dk_copenmask &= ~(1 << part); 402 break; 403 case S_IFBLK: 404 sc->sc_dk.dk_bopenmask &= ~(1 << part); 405 break; 406 } 407 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 408 409 if (sc->sc_dk.dk_openmask == 0) { 410 /* XXXX Must wait for I/O to complete! */ 411 412 #if 0 413 (void) mcd_setmode(sc, MCD_MD_SLEEP); 414 #endif 415 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 416 } 417 418 mutex_exit(&sc->sc_lock); 419 return 0; 420 } 421 422 void 423 mcdstrategy(bp) 424 struct buf *bp; 425 { 426 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 427 struct disklabel *lp = sc->sc_dk.dk_label; 428 daddr_t blkno; 429 int s; 430 431 /* Test validity. */ 432 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp, 433 (int) bp->b_blkno, bp->b_bcount); 434 if (bp->b_blkno < 0 || 435 (bp->b_bcount % sc->blksize) != 0) { 436 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n", 437 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 438 bp->b_error = EINVAL; 439 goto done; 440 } 441 442 /* If device invalidated (e.g. media change, door open), error. */ 443 if ((sc->flags & MCDF_LOADED) == 0) { 444 MCD_TRACE("strategy: drive not valid%s", "\n"); 445 bp->b_error = EIO; 446 goto done; 447 } 448 449 /* No data to read. */ 450 if (bp->b_bcount == 0) 451 goto done; 452 453 /* 454 * Do bounds checking, adjust transfer. if error, process. 455 * If end of partition, just return. 456 */ 457 if (MCDPART(bp->b_dev) != RAW_PART && 458 bounds_check_with_label(&sc->sc_dk, bp, 459 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 460 goto done; 461 462 /* 463 * Now convert the block number to absolute and put it in 464 * terms of the device's logical block size. 465 */ 466 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 467 if (MCDPART(bp->b_dev) != RAW_PART) 468 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 469 470 bp->b_rawblkno = blkno; 471 472 /* Queue it. */ 473 s = splbio(); 474 BUFQ_PUT(sc->buf_queue, bp); 475 splx(s); 476 if (!sc->active) 477 mcdstart(sc); 478 return; 479 480 done: 481 bp->b_resid = bp->b_bcount; 482 biodone(bp); 483 } 484 485 void 486 mcdstart(sc) 487 struct mcd_softc *sc; 488 { 489 struct buf *bp; 490 int s; 491 492 loop: 493 s = splbio(); 494 495 if ((bp = BUFQ_GET(sc->buf_queue)) == NULL) { 496 /* Nothing to do. */ 497 sc->active = 0; 498 splx(s); 499 return; 500 } 501 502 /* Block found to process. */ 503 MCD_TRACE("start: found block bp=0x%p\n", bp); 504 splx(s); 505 506 /* Changed media? */ 507 if ((sc->flags & MCDF_LOADED) == 0) { 508 MCD_TRACE("start: drive not valid%s", "\n"); 509 bp->b_error = EIO; 510 biodone(bp); 511 goto loop; 512 } 513 514 sc->active = 1; 515 516 /* Instrumentation. */ 517 s = splbio(); 518 disk_busy(&sc->sc_dk); 519 splx(s); 520 521 sc->mbx.retry = MCD_RDRETRIES; 522 sc->mbx.bp = bp; 523 sc->mbx.blkno = bp->b_rawblkno; 524 sc->mbx.nblk = bp->b_bcount / sc->blksize; 525 sc->mbx.sz = sc->blksize; 526 sc->mbx.skip = 0; 527 sc->mbx.state = MCD_S_BEGIN; 528 sc->mbx.mode = MCD_MD_COOKED; 529 530 s = splbio(); 531 (void) mcdintr(sc); 532 splx(s); 533 } 534 535 int 536 mcdread(dev_t dev, struct uio *uio, int flags) 537 { 538 539 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 540 } 541 542 int 543 mcdwrite(dev_t dev, struct uio *uio, int flags) 544 { 545 546 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 547 } 548 549 int 550 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 551 { 552 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 553 int error; 554 int part; 555 #ifdef __HAVE_OLD_DISKLABEL 556 struct disklabel newlabel; 557 #endif 558 559 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd); 560 561 if ((sc->flags & MCDF_LOADED) == 0) 562 return EIO; 563 564 part = MCDPART(dev); 565 switch (cmd) { 566 case DIOCGDINFO: 567 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 568 return 0; 569 #ifdef __HAVE_OLD_DISKLABEL 570 case ODIOCGDINFO: 571 newlabel = *(sc->sc_dk.dk_label); 572 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 573 return ENOTTY; 574 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 575 return 0; 576 #endif 577 578 case DIOCGPART: 579 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 580 ((struct partinfo *)addr)->part = 581 &sc->sc_dk.dk_label->d_partitions[part]; 582 return 0; 583 584 case DIOCWDINFO: 585 case DIOCSDINFO: 586 #ifdef __HAVE_OLD_DISKLABEL 587 case ODIOCWDINFO: 588 case ODIOCSDINFO: 589 #endif 590 { 591 struct disklabel *lp; 592 593 if ((flag & FWRITE) == 0) 594 return EBADF; 595 596 #ifdef __HAVE_OLD_DISKLABEL 597 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 598 memset(&newlabel, 0, sizeof newlabel); 599 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 600 lp = &newlabel; 601 } else 602 #endif 603 lp = addr; 604 605 mutex_enter(&sc->sc_lock); 606 sc->flags |= MCDF_LABELLING; 607 608 error = setdisklabel(sc->sc_dk.dk_label, 609 lp, /*sc->sc_dk.dk_openmask : */0, 610 sc->sc_dk.dk_cpulabel); 611 if (error == 0) { 612 } 613 614 sc->flags &= ~MCDF_LABELLING; 615 mutex_exit(&sc->sc_lock); 616 return error; 617 } 618 619 case DIOCWLABEL: 620 return EBADF; 621 622 case DIOCGDEFLABEL: 623 mcdgetdefaultlabel(sc, addr); 624 return 0; 625 626 #ifdef __HAVE_OLD_DISKLABEL 627 case ODIOCGDEFLABEL: 628 mcdgetdefaultlabel(sc, &newlabel); 629 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 630 return ENOTTY; 631 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 632 return 0; 633 #endif 634 635 case CDIOCPLAYTRACKS: 636 return mcd_playtracks(sc, addr); 637 case CDIOCPLAYMSF: 638 return mcd_playmsf(sc, addr); 639 case CDIOCPLAYBLOCKS: 640 return mcd_playblocks(sc, addr); 641 case CDIOCREADSUBCHANNEL: { 642 struct cd_sub_channel_info info; 643 error = mcd_read_subchannel(sc, addr, &info); 644 if (error != 0) { 645 struct ioc_read_subchannel *ch = addr; 646 error = copyout(&info, ch->data, ch->data_len); 647 } 648 return error; 649 } 650 case CDIOCREADSUBCHANNEL_BUF: 651 return mcd_read_subchannel(sc, addr, 652 &((struct ioc_read_subchannel_buf *)addr)->info); 653 case CDIOREADTOCHEADER: 654 return mcd_toc_header(sc, addr); 655 case CDIOREADTOCENTRYS: { 656 struct cd_toc_entry entries[MCD_MAXTOCS]; 657 struct ioc_read_toc_entry *te = addr; 658 int count; 659 if (te->data_len > sizeof entries) 660 return EINVAL; 661 error = mcd_toc_entries(sc, te, entries, &count); 662 if (error == 0) 663 /* Copy the data back. */ 664 error = copyout(entries, te->data, min(te->data_len, 665 count * sizeof(struct cd_toc_entry))); 666 return error; 667 } 668 case CDIOREADTOCENTRIES_BUF: { 669 struct ioc_read_toc_entry_buf *te = addr; 670 int count; 671 if (te->req.data_len > sizeof te->entry) 672 return EINVAL; 673 return mcd_toc_entries(sc, &te->req, te->entry, &count); 674 } 675 case CDIOCSETPATCH: 676 case CDIOCGETVOL: 677 case CDIOCSETVOL: 678 case CDIOCSETMONO: 679 case CDIOCSETSTEREO: 680 case CDIOCSETMUTE: 681 case CDIOCSETLEFT: 682 case CDIOCSETRIGHT: 683 return EINVAL; 684 case CDIOCRESUME: 685 return mcd_resume(sc); 686 case CDIOCPAUSE: 687 return mcd_pause(sc); 688 case CDIOCSTART: 689 return EINVAL; 690 case CDIOCSTOP: 691 return mcd_stop(sc); 692 case DIOCEJECT: 693 if (*(int *)addr == 0) { 694 /* 695 * Don't force eject: check that we are the only 696 * partition open. If so, unlock it. 697 */ 698 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 699 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 700 sc->sc_dk.dk_openmask) { 701 error = mcd_setlock(sc, MCD_LK_UNLOCK); 702 if (error) 703 return (error); 704 } else { 705 return (EBUSY); 706 } 707 } 708 /* FALLTHROUGH */ 709 case CDIOCEJECT: /* FALLTHROUGH */ 710 case ODIOCEJECT: 711 return mcd_eject(sc); 712 case CDIOCALLOW: 713 return mcd_setlock(sc, MCD_LK_UNLOCK); 714 case CDIOCPREVENT: 715 return mcd_setlock(sc, MCD_LK_LOCK); 716 case DIOCLOCK: 717 return mcd_setlock(sc, 718 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 719 case CDIOCSETDEBUG: 720 sc->debug = 1; 721 return 0; 722 case CDIOCCLRDEBUG: 723 sc->debug = 0; 724 return 0; 725 case CDIOCRESET: 726 return mcd_hard_reset(sc); 727 728 default: 729 return ENOTTY; 730 } 731 732 #ifdef DIAGNOSTIC 733 panic("mcdioctl: impossible"); 734 #endif 735 } 736 737 void 738 mcdgetdefaultlabel(sc, lp) 739 struct mcd_softc *sc; 740 struct disklabel *lp; 741 { 742 743 memset(lp, 0, sizeof(struct disklabel)); 744 745 lp->d_secsize = sc->blksize; 746 lp->d_ntracks = 1; 747 lp->d_nsectors = 100; 748 lp->d_ncylinders = (sc->disksize / 100) + 1; 749 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 750 751 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 752 lp->d_type = 0; /* XXX */ 753 strncpy(lp->d_packname, "fictitious", 16); 754 lp->d_secperunit = sc->disksize; 755 lp->d_rpm = 300; 756 lp->d_interleave = 1; 757 lp->d_flags = D_REMOVABLE; 758 759 lp->d_partitions[0].p_offset = 0; 760 lp->d_partitions[0].p_size = 761 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 762 lp->d_partitions[0].p_fstype = FS_ISO9660; 763 lp->d_partitions[RAW_PART].p_offset = 0; 764 lp->d_partitions[RAW_PART].p_size = 765 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 766 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 767 lp->d_npartitions = RAW_PART + 1; 768 769 lp->d_magic = DISKMAGIC; 770 lp->d_magic2 = DISKMAGIC; 771 lp->d_checksum = dkcksum(lp); 772 } 773 774 /* 775 * This could have been taken from scsi/cd.c, but it is not clear 776 * whether the scsi cd driver is linked in. 777 */ 778 void 779 mcdgetdisklabel(sc) 780 struct mcd_softc *sc; 781 { 782 struct disklabel *lp = sc->sc_dk.dk_label; 783 784 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 785 786 mcdgetdefaultlabel(sc, lp); 787 } 788 789 int 790 mcd_get_parms(sc) 791 struct mcd_softc *sc; 792 { 793 struct mcd_mbox mbx; 794 daddr_t size; 795 int error; 796 797 /* Send volume info command. */ 798 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 799 mbx.cmd.length = 0; 800 mbx.res.length = sizeof(mbx.res.data.volinfo); 801 if ((error = mcd_send(sc, &mbx, 1)) != 0) 802 return error; 803 804 if (mbx.res.data.volinfo.trk_low == 0x00 && 805 mbx.res.data.volinfo.trk_high == 0x00) 806 return EINVAL; 807 808 /* Volinfo is OK. */ 809 sc->volinfo = mbx.res.data.volinfo; 810 sc->blksize = MCD_BLKSIZE_COOKED; 811 size = msf2hsg(sc->volinfo.vol_msf, 0); 812 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 813 return 0; 814 } 815 816 int 817 mcdsize(dev_t dev) 818 { 819 820 /* CD-ROMs are read-only. */ 821 return -1; 822 } 823 824 int 825 mcddump(dev_t dev, daddr_t blkno, void *va, 826 size_t size) 827 { 828 829 /* Not implemented. */ 830 return ENXIO; 831 } 832 833 /* 834 * Find the board and fill in the softc. 835 */ 836 int 837 mcd_find(iot, ioh, sc) 838 bus_space_tag_t iot; 839 bus_space_handle_t ioh; 840 struct mcd_softc *sc; 841 { 842 int i; 843 struct mcd_mbox mbx; 844 845 sc->sc_iot = iot; 846 sc->sc_ioh = ioh; 847 848 /* Send a reset. */ 849 bus_space_write_1(iot, ioh, MCD_RESET, 0); 850 delay(1000000); 851 /* Get any pending status and throw away. */ 852 for (i = 10; i; i--) 853 bus_space_read_1(iot, ioh, MCD_STATUS); 854 delay(1000); 855 856 /* Send get status command. */ 857 mbx.cmd.opcode = MCD_CMDGETSTAT; 858 mbx.cmd.length = 0; 859 mbx.res.length = 0; 860 if (mcd_send(sc, &mbx, 0) != 0) 861 return 0; 862 863 /* Get info about the drive. */ 864 mbx.cmd.opcode = MCD_CMDCONTINFO; 865 mbx.cmd.length = 0; 866 mbx.res.length = sizeof(mbx.res.data.continfo); 867 if (mcd_send(sc, &mbx, 0) != 0) 868 return 0; 869 870 /* 871 * The following is code which is not guaranteed to work for all 872 * drives, because the meaning of the expected 'M' is not clear 873 * (M_itsumi is an obvious assumption, but I don't trust that). 874 * Also, the original hack had a bogus condition that always 875 * returned true. 876 * 877 * Note: Which models support interrupts? >=LU005S? 878 */ 879 sc->readcmd = MCD_CMDREADSINGLESPEED; 880 switch (mbx.res.data.continfo.code) { 881 case 'M': 882 if (mbx.res.data.continfo.version <= 2) 883 sc->type = "LU002S"; 884 else if (mbx.res.data.continfo.version <= 5) 885 sc->type = "LU005S"; 886 else 887 sc->type = "LU006S"; 888 break; 889 case 'F': 890 sc->type = "FX001"; 891 break; 892 case 'D': 893 sc->type = "FX001D"; 894 sc->readcmd = MCD_CMDREADDOUBLESPEED; 895 break; 896 default: 897 /* 898 * mcd_send() says the response looked OK but the 899 * drive type is unknown. If mcd_promisc, match anyway. 900 */ 901 if (mcd_promisc != 0) 902 return 0; 903 904 #ifdef MCDDEBUG 905 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 906 sc->sc_dev.dv_xname, 907 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 908 #endif 909 sc->type = 0; 910 break; 911 } 912 913 return 1; 914 915 } 916 917 int 918 mcdprobe(struct device *parent, struct cfdata *match, 919 void *aux) 920 { 921 struct isa_attach_args *ia = aux; 922 struct mcd_softc sc; 923 bus_space_tag_t iot = ia->ia_iot; 924 bus_space_handle_t ioh; 925 int rv; 926 927 if (ia->ia_nio < 1) 928 return (0); 929 if (ia->ia_nirq < 1) 930 return (0); 931 932 if (ISA_DIRECT_CONFIG(ia)) 933 return (0); 934 935 /* Disallow wildcarded i/o address. */ 936 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) 937 return (0); 938 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) 939 return (0); 940 941 /* Map i/o space */ 942 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) 943 return 0; 944 945 sc.debug = 0; 946 sc.probe = 1; 947 948 rv = mcd_find(iot, ioh, &sc); 949 950 bus_space_unmap(iot, ioh, MCD_NPORT); 951 952 if (rv) { 953 ia->ia_nio = 1; 954 ia->ia_io[0].ir_size = MCD_NPORT; 955 956 ia->ia_nirq = 1; 957 958 ia->ia_niomem = 0; 959 ia->ia_ndrq = 0; 960 } 961 962 return (rv); 963 } 964 965 int 966 mcd_getreply(sc) 967 struct mcd_softc *sc; 968 { 969 bus_space_tag_t iot = sc->sc_iot; 970 bus_space_handle_t ioh = sc->sc_ioh; 971 int i; 972 973 /* Wait until xfer port senses data ready. */ 974 for (i = DELAY_GETREPLY; i; i--) { 975 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 976 MCD_XF_STATUSUNAVAIL) == 0) 977 break; 978 delay(DELAY_GRANULARITY); 979 } 980 if (!i) 981 return -1; 982 983 /* Get the data. */ 984 return bus_space_read_1(iot, ioh, MCD_STATUS); 985 } 986 987 int 988 mcd_getstat(sc) 989 struct mcd_softc *sc; 990 { 991 struct mcd_mbox mbx; 992 993 mbx.cmd.opcode = MCD_CMDGETSTAT; 994 mbx.cmd.length = 0; 995 mbx.res.length = 0; 996 return mcd_send(sc, &mbx, 1); 997 } 998 999 int 1000 mcd_getresult(sc, res) 1001 struct mcd_softc *sc; 1002 struct mcd_result *res; 1003 { 1004 int i, x; 1005 1006 if (sc->debug) 1007 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1008 res->length); 1009 1010 if ((x = mcd_getreply(sc)) < 0) { 1011 if (sc->debug) 1012 printf(" timeout\n"); 1013 else if (!sc->probe) 1014 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1015 return EIO; 1016 } 1017 if (sc->debug) 1018 printf(" %02x", (u_int)x); 1019 sc->status = x; 1020 mcd_setflags(sc); 1021 1022 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1023 return EINVAL; 1024 1025 for (i = 0; i < res->length; i++) { 1026 if ((x = mcd_getreply(sc)) < 0) { 1027 if (sc->debug) 1028 printf(" timeout\n"); 1029 else 1030 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1031 return EIO; 1032 } 1033 if (sc->debug) 1034 printf(" %02x", (u_int)x); 1035 res->data.raw.data[i] = x; 1036 } 1037 1038 if (sc->debug) 1039 printf(" succeeded\n"); 1040 1041 #ifdef MCDDEBUG 1042 delay(10); 1043 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1044 MCD_XF_STATUSUNAVAIL) == 0) { 1045 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1046 printf("%s: got extra byte %02x during getstatus\n", 1047 sc->sc_dev.dv_xname, (u_int)x); 1048 delay(10); 1049 } 1050 #endif 1051 1052 return 0; 1053 } 1054 1055 void 1056 mcd_setflags(sc) 1057 struct mcd_softc *sc; 1058 { 1059 1060 /* Check flags. */ 1061 if ((sc->flags & MCDF_LOADED) != 0 && 1062 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1063 MCD_ST_DSKIN) { 1064 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1065 printf("%s: door open\n", sc->sc_dev.dv_xname); 1066 else if ((sc->status & MCD_ST_DSKIN) == 0) 1067 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1068 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1069 printf("%s: media change\n", sc->sc_dev.dv_xname); 1070 sc->flags &= ~MCDF_LOADED; 1071 } 1072 1073 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1074 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1075 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1076 sc->audio_status == CD_AS_AUDIO_INVALID) 1077 sc->audio_status = CD_AS_PLAY_COMPLETED; 1078 } 1079 1080 int 1081 mcd_send(sc, mbx, diskin) 1082 struct mcd_softc *sc; 1083 struct mcd_mbox *mbx; 1084 int diskin; 1085 { 1086 int retry, i, error; 1087 bus_space_tag_t iot = sc->sc_iot; 1088 bus_space_handle_t ioh = sc->sc_ioh; 1089 1090 if (sc->debug) { 1091 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1092 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1093 for (i = 0; i < mbx->cmd.length; i++) 1094 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1095 printf("\n"); 1096 } 1097 1098 for (retry = MCD_RETRIES; retry; retry--) { 1099 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1100 for (i = 0; i < mbx->cmd.length; i++) 1101 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1102 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1103 break; 1104 if (error == EINVAL) 1105 return error; 1106 } 1107 if (!retry) 1108 return error; 1109 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1110 return EIO; 1111 1112 return 0; 1113 } 1114 1115 static int 1116 bcd2bin(b) 1117 bcd_t b; 1118 { 1119 1120 return (b >> 4) * 10 + (b & 15); 1121 } 1122 1123 static bcd_t 1124 bin2bcd(b) 1125 int b; 1126 { 1127 1128 return ((b / 10) << 4) | (b % 10); 1129 } 1130 1131 static void 1132 hsg2msf(hsg, msf) 1133 int hsg; 1134 bcd_t *msf; 1135 { 1136 1137 hsg += 150; 1138 F_msf(msf) = bin2bcd(hsg % 75); 1139 hsg /= 75; 1140 S_msf(msf) = bin2bcd(hsg % 60); 1141 hsg /= 60; 1142 M_msf(msf) = bin2bcd(hsg); 1143 } 1144 1145 static daddr_t 1146 msf2hsg(msf, relative) 1147 bcd_t *msf; 1148 int relative; 1149 { 1150 daddr_t blkno; 1151 1152 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1153 bcd2bin(S_msf(msf)) * 75 + 1154 bcd2bin(F_msf(msf)); 1155 if (!relative) 1156 blkno -= 150; 1157 return blkno; 1158 } 1159 1160 void 1161 mcd_pseudointr(v) 1162 void *v; 1163 { 1164 struct mcd_softc *sc = v; 1165 int s; 1166 1167 s = splbio(); 1168 (void) mcdintr(sc); 1169 splx(s); 1170 } 1171 1172 /* 1173 * State machine to process read requests. 1174 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1175 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1176 * MCD_S_WAITREAD: wait for read ready, read data. 1177 */ 1178 int 1179 mcdintr(arg) 1180 void *arg; 1181 { 1182 struct mcd_softc *sc = arg; 1183 struct mcd_mbx *mbx = &sc->mbx; 1184 struct buf *bp = mbx->bp; 1185 bus_space_tag_t iot = sc->sc_iot; 1186 bus_space_handle_t ioh = sc->sc_ioh; 1187 1188 int i; 1189 u_char x; 1190 bcd_t msf[3]; 1191 1192 switch (mbx->state) { 1193 case MCD_S_IDLE: 1194 return 0; 1195 1196 case MCD_S_BEGIN: 1197 tryagain: 1198 if (mbx->mode == sc->lastmode) 1199 goto firstblock; 1200 1201 sc->lastmode = MCD_MD_UNKNOWN; 1202 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1203 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1204 1205 mbx->count = RDELAY_WAITMODE; 1206 mbx->state = MCD_S_WAITMODE; 1207 1208 case MCD_S_WAITMODE: 1209 callout_stop(&sc->sc_pintr_ch); 1210 for (i = 20; i; i--) { 1211 x = bus_space_read_1(iot, ioh, MCD_XFER); 1212 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1213 break; 1214 delay(50); 1215 } 1216 if (i == 0) 1217 goto hold; 1218 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1219 mcd_setflags(sc); 1220 if ((sc->flags & MCDF_LOADED) == 0) 1221 goto changed; 1222 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1223 RDELAY_WAITMODE - mbx->count); 1224 1225 sc->lastmode = mbx->mode; 1226 1227 firstblock: 1228 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n", 1229 (int) mbx->blkno, bp); 1230 1231 /* Build parameter block. */ 1232 hsg2msf(mbx->blkno, msf); 1233 1234 /* Send the read command. */ 1235 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1236 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1237 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1238 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1239 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1240 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1241 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1242 1243 mbx->count = RDELAY_WAITREAD; 1244 mbx->state = MCD_S_WAITREAD; 1245 1246 case MCD_S_WAITREAD: 1247 callout_stop(&sc->sc_pintr_ch); 1248 nextblock: 1249 loop: 1250 for (i = 20; i; i--) { 1251 x = bus_space_read_1(iot, ioh, MCD_XFER); 1252 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1253 goto gotblock; 1254 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1255 break; 1256 delay(50); 1257 } 1258 if (i == 0) 1259 goto hold; 1260 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1261 mcd_setflags(sc); 1262 if ((sc->flags & MCDF_LOADED) == 0) 1263 goto changed; 1264 #if 0 1265 printf("%s: got status byte %02x during read\n", 1266 sc->sc_dev.dv_xname, (u_int)sc->status); 1267 #endif 1268 goto loop; 1269 1270 gotblock: 1271 MCD_TRACE("doread: got data delay=%d\n", 1272 RDELAY_WAITREAD - mbx->count); 1273 1274 /* Data is ready. */ 1275 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1276 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1277 (char *)bp->b_data + mbx->skip, mbx->sz); 1278 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1279 mbx->blkno += 1; 1280 mbx->skip += mbx->sz; 1281 if (--mbx->nblk > 0) 1282 goto nextblock; 1283 1284 mbx->state = MCD_S_IDLE; 1285 1286 /* Return buffer. */ 1287 bp->b_resid = 0; 1288 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ)); 1289 biodone(bp); 1290 1291 mcdstart(sc); 1292 return 1; 1293 1294 hold: 1295 if (mbx->count-- < 0) { 1296 printf("%s: timeout in state %d", 1297 sc->sc_dev.dv_xname, mbx->state); 1298 goto readerr; 1299 } 1300 1301 #if 0 1302 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1303 mbx->state); 1304 #endif 1305 callout_reset(&sc->sc_pintr_ch, hz / 100, 1306 mcd_pseudointr, sc); 1307 return -1; 1308 } 1309 1310 readerr: 1311 if (mbx->retry-- > 0) { 1312 printf("; retrying\n"); 1313 goto tryagain; 1314 } else 1315 printf("; giving up\n"); 1316 1317 changed: 1318 /* Invalidate the buffer. */ 1319 bp->b_error = EIO; 1320 bp->b_resid = bp->b_bcount - mbx->skip; 1321 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid), 1322 (bp->b_flags & B_READ)); 1323 biodone(bp); 1324 1325 mcdstart(sc); 1326 return -1; 1327 1328 #ifdef notyet 1329 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1330 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1331 delay(300000); 1332 (void) mcd_getstat(sc, 1); 1333 (void) mcd_getstat(sc, 1); 1334 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1335 sc->debug = 1; /* preventive set debug mode */ 1336 #endif 1337 } 1338 1339 void 1340 mcd_soft_reset(sc) 1341 struct mcd_softc *sc; 1342 { 1343 1344 sc->debug = 0; 1345 sc->flags = 0; 1346 sc->lastmode = MCD_MD_UNKNOWN; 1347 sc->lastupc = MCD_UPC_UNKNOWN; 1348 sc->audio_status = CD_AS_AUDIO_INVALID; 1349 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1350 } 1351 1352 int 1353 mcd_hard_reset(sc) 1354 struct mcd_softc *sc; 1355 { 1356 struct mcd_mbox mbx; 1357 1358 mcd_soft_reset(sc); 1359 1360 mbx.cmd.opcode = MCD_CMDRESET; 1361 mbx.cmd.length = 0; 1362 mbx.res.length = 0; 1363 return mcd_send(sc, &mbx, 0); 1364 } 1365 1366 int 1367 mcd_setmode(sc, mode) 1368 struct mcd_softc *sc; 1369 int mode; 1370 { 1371 struct mcd_mbox mbx; 1372 int error; 1373 1374 if (sc->lastmode == mode) 1375 return 0; 1376 if (sc->debug) 1377 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1378 sc->lastmode = MCD_MD_UNKNOWN; 1379 1380 mbx.cmd.opcode = MCD_CMDSETMODE; 1381 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1382 mbx.cmd.data.datamode.mode = mode; 1383 mbx.res.length = 0; 1384 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1385 return error; 1386 1387 sc->lastmode = mode; 1388 return 0; 1389 } 1390 1391 int 1392 mcd_setupc(sc, upc) 1393 struct mcd_softc *sc; 1394 int upc; 1395 { 1396 struct mcd_mbox mbx; 1397 int error; 1398 1399 if (sc->lastupc == upc) 1400 return 0; 1401 if (sc->debug) 1402 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1403 sc->lastupc = MCD_UPC_UNKNOWN; 1404 1405 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1406 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1407 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1408 mbx.cmd.data.config.data1 = upc; 1409 mbx.res.length = 0; 1410 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1411 return error; 1412 1413 sc->lastupc = upc; 1414 return 0; 1415 } 1416 1417 int 1418 mcd_toc_header(sc, th) 1419 struct mcd_softc *sc; 1420 struct ioc_toc_header *th; 1421 { 1422 1423 if (sc->debug) 1424 printf("%s: mcd_toc_header: reading toc header\n", 1425 sc->sc_dev.dv_xname); 1426 1427 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1428 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1429 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1430 1431 return 0; 1432 } 1433 1434 int 1435 mcd_read_toc(sc) 1436 struct mcd_softc *sc; 1437 { 1438 struct ioc_toc_header th; 1439 union mcd_qchninfo q; 1440 int error, trk, idx, retry; 1441 1442 if ((error = mcd_toc_header(sc, &th)) != 0) 1443 return error; 1444 1445 if ((error = mcd_stop(sc)) != 0) 1446 return error; 1447 1448 if (sc->debug) 1449 printf("%s: read_toc: reading qchannel info\n", 1450 sc->sc_dev.dv_xname); 1451 1452 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1453 sc->toc[trk].toc.idx_no = 0x00; 1454 trk = th.ending_track - th.starting_track + 1; 1455 for (retry = 300; retry && trk > 0; retry--) { 1456 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1457 break; 1458 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1459 continue; 1460 idx = bcd2bin(q.toc.idx_no); 1461 if (idx < MCD_MAXTOCS && 1462 sc->toc[idx].toc.idx_no == 0x00) { 1463 sc->toc[idx] = q; 1464 trk--; 1465 } 1466 } 1467 1468 /* Inform the drive that we're finished so it turns off the light. */ 1469 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1470 return error; 1471 1472 if (trk != 0) 1473 return EINVAL; 1474 1475 /* Add a fake last+1 for mcd_playtracks(). */ 1476 idx = th.ending_track + 1; 1477 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1478 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1479 sc->toc[idx].toc.trk_no = 0x00; 1480 sc->toc[idx].toc.idx_no = 0xaa; 1481 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1482 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1483 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1484 1485 return 0; 1486 } 1487 1488 int 1489 mcd_toc_entries(sc, te, entries, count) 1490 struct mcd_softc *sc; 1491 struct ioc_read_toc_entry *te; 1492 struct cd_toc_entry *entries; 1493 int *count; 1494 { 1495 int len = te->data_len; 1496 struct ioc_toc_header header; 1497 u_char trk; 1498 daddr_t lba; 1499 int error, n; 1500 1501 if (len < sizeof(struct cd_toc_entry)) 1502 return EINVAL; 1503 if (te->address_format != CD_MSF_FORMAT && 1504 te->address_format != CD_LBA_FORMAT) 1505 return EINVAL; 1506 1507 /* Copy the TOC header. */ 1508 if ((error = mcd_toc_header(sc, &header)) != 0) 1509 return error; 1510 1511 /* Verify starting track. */ 1512 trk = te->starting_track; 1513 if (trk == 0x00) 1514 trk = header.starting_track; 1515 else if (trk == 0xaa) 1516 trk = header.ending_track + 1; 1517 else if (trk < header.starting_track || 1518 trk > header.ending_track + 1) 1519 return EINVAL; 1520 1521 /* Copy the TOC data. */ 1522 for (n = 0; trk <= header.ending_track + 1; n++, trk++) { 1523 if (n * sizeof entries[0] > len) 1524 break; 1525 if (sc->toc[trk].toc.idx_no == 0x00) 1526 continue; 1527 entries[n].control = sc->toc[trk].toc.control; 1528 entries[n].addr_type = sc->toc[trk].toc.addr_type; 1529 entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1530 switch (te->address_format) { 1531 case CD_MSF_FORMAT: 1532 entries[n].addr.addr[0] = 0; 1533 entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1534 entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1535 entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1536 break; 1537 case CD_LBA_FORMAT: 1538 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1539 entries[n].addr.addr[0] = lba >> 24; 1540 entries[n].addr.addr[1] = lba >> 16; 1541 entries[n].addr.addr[2] = lba >> 8; 1542 entries[n].addr.addr[3] = lba; 1543 break; 1544 } 1545 } 1546 1547 *count = n; 1548 return 0; 1549 } 1550 1551 int 1552 mcd_stop(sc) 1553 struct mcd_softc *sc; 1554 { 1555 struct mcd_mbox mbx; 1556 int error; 1557 1558 if (sc->debug) 1559 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1560 1561 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1562 mbx.cmd.length = 0; 1563 mbx.res.length = 0; 1564 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1565 return error; 1566 1567 sc->audio_status = CD_AS_PLAY_COMPLETED; 1568 return 0; 1569 } 1570 1571 int 1572 mcd_getqchan(sc, q, qchn) 1573 struct mcd_softc *sc; 1574 union mcd_qchninfo *q; 1575 int qchn; 1576 { 1577 struct mcd_mbox mbx; 1578 int error; 1579 1580 if (qchn == CD_TRACK_INFO) { 1581 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1582 return error; 1583 } else { 1584 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1585 return error; 1586 } 1587 if (qchn == CD_MEDIA_CATALOG) { 1588 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1589 return error; 1590 } else { 1591 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1592 return error; 1593 } 1594 1595 mbx.cmd.opcode = MCD_CMDGETQCHN; 1596 mbx.cmd.length = 0; 1597 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1598 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1599 return error; 1600 1601 *q = mbx.res.data.qchninfo; 1602 return 0; 1603 } 1604 1605 int 1606 mcd_read_subchannel(sc, ch, info) 1607 struct mcd_softc *sc; 1608 struct ioc_read_subchannel *ch; 1609 struct cd_sub_channel_info *info; 1610 { 1611 int len = ch->data_len; 1612 union mcd_qchninfo q; 1613 daddr_t lba; 1614 int error; 1615 1616 if (sc->debug) 1617 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1618 ch->address_format, ch->data_format); 1619 1620 if (len > sizeof(*info) || len < sizeof(info->header)) 1621 return EINVAL; 1622 if (ch->address_format != CD_MSF_FORMAT && 1623 ch->address_format != CD_LBA_FORMAT) 1624 return EINVAL; 1625 if (ch->data_format != CD_CURRENT_POSITION && 1626 ch->data_format != CD_MEDIA_CATALOG) 1627 return EINVAL; 1628 1629 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1630 return error; 1631 1632 info->header.audio_status = sc->audio_status; 1633 info->what.media_catalog.data_format = ch->data_format; 1634 1635 switch (ch->data_format) { 1636 case CD_MEDIA_CATALOG: 1637 info->what.media_catalog.mc_valid = 1; 1638 #if 0 1639 info->what.media_catalog.mc_number = 1640 #endif 1641 break; 1642 1643 case CD_CURRENT_POSITION: 1644 info->what.position.track_number = bcd2bin(q.current.trk_no); 1645 info->what.position.index_number = bcd2bin(q.current.idx_no); 1646 switch (ch->address_format) { 1647 case CD_MSF_FORMAT: 1648 info->what.position.reladdr.addr[0] = 0; 1649 info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1650 info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1651 info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1652 info->what.position.absaddr.addr[0] = 0; 1653 info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1654 info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1655 info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1656 break; 1657 case CD_LBA_FORMAT: 1658 lba = msf2hsg(q.current.relative_pos, 1); 1659 /* 1660 * Pre-gap has index number of 0, and decreasing MSF 1661 * address. Must be converted to negative LBA, per 1662 * SCSI spec. 1663 */ 1664 if (info->what.position.index_number == 0x00) 1665 lba = -lba; 1666 info->what.position.reladdr.addr[0] = lba >> 24; 1667 info->what.position.reladdr.addr[1] = lba >> 16; 1668 info->what.position.reladdr.addr[2] = lba >> 8; 1669 info->what.position.reladdr.addr[3] = lba; 1670 lba = msf2hsg(q.current.absolute_pos, 0); 1671 info->what.position.absaddr.addr[0] = lba >> 24; 1672 info->what.position.absaddr.addr[1] = lba >> 16; 1673 info->what.position.absaddr.addr[2] = lba >> 8; 1674 info->what.position.absaddr.addr[3] = lba; 1675 break; 1676 } 1677 break; 1678 } 1679 1680 return 0; 1681 } 1682 1683 int 1684 mcd_playtracks(sc, p) 1685 struct mcd_softc *sc; 1686 struct ioc_play_track *p; 1687 { 1688 struct mcd_mbox mbx; 1689 int a = p->start_track; 1690 int z = p->end_track; 1691 int error; 1692 1693 if (sc->debug) 1694 printf("%s: playtracks: from %d:%d to %d:%d\n", 1695 sc->sc_dev.dv_xname, 1696 a, p->start_index, z, p->end_index); 1697 1698 if (a < bcd2bin(sc->volinfo.trk_low) || 1699 a > bcd2bin(sc->volinfo.trk_high) || 1700 a > z || 1701 z < bcd2bin(sc->volinfo.trk_low) || 1702 z > bcd2bin(sc->volinfo.trk_high)) 1703 return EINVAL; 1704 1705 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1706 return error; 1707 1708 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1709 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1710 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1711 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1712 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1713 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1714 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1715 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1716 sc->lastpb = mbx.cmd; 1717 mbx.res.length = 0; 1718 return mcd_send(sc, &mbx, 1); 1719 } 1720 1721 int 1722 mcd_playmsf(sc, p) 1723 struct mcd_softc *sc; 1724 struct ioc_play_msf *p; 1725 { 1726 struct mcd_mbox mbx; 1727 int error; 1728 1729 if (sc->debug) 1730 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1731 sc->sc_dev.dv_xname, 1732 p->start_m, p->start_s, p->start_f, 1733 p->end_m, p->end_s, p->end_f); 1734 1735 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1736 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1737 return EINVAL; 1738 1739 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1740 return error; 1741 1742 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1743 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1744 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1745 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1746 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1747 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1748 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1749 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1750 sc->lastpb = mbx.cmd; 1751 mbx.res.length = 0; 1752 return mcd_send(sc, &mbx, 1); 1753 } 1754 1755 int 1756 mcd_playblocks(sc, p) 1757 struct mcd_softc *sc; 1758 struct ioc_play_blocks *p; 1759 { 1760 struct mcd_mbox mbx; 1761 int error; 1762 1763 if (sc->debug) 1764 printf("%s: playblocks: blkno %d length %d\n", 1765 sc->sc_dev.dv_xname, p->blk, p->len); 1766 1767 if (p->blk > sc->disksize || p->len > sc->disksize || 1768 (p->blk + p->len) > sc->disksize) 1769 return 0; 1770 1771 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1772 return error; 1773 1774 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1775 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1776 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1777 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1778 sc->lastpb = mbx.cmd; 1779 mbx.res.length = 0; 1780 return mcd_send(sc, &mbx, 1); 1781 } 1782 1783 int 1784 mcd_pause(sc) 1785 struct mcd_softc *sc; 1786 { 1787 union mcd_qchninfo q; 1788 int error; 1789 1790 /* Verify current status. */ 1791 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1792 printf("%s: pause: attempted when not playing\n", 1793 sc->sc_dev.dv_xname); 1794 return EINVAL; 1795 } 1796 1797 /* Get the current position. */ 1798 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1799 return error; 1800 1801 /* Copy it into lastpb. */ 1802 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1803 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1804 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1805 1806 /* Stop playing. */ 1807 if ((error = mcd_stop(sc)) != 0) 1808 return error; 1809 1810 /* Set the proper status and exit. */ 1811 sc->audio_status = CD_AS_PLAY_PAUSED; 1812 return 0; 1813 } 1814 1815 int 1816 mcd_resume(sc) 1817 struct mcd_softc *sc; 1818 { 1819 struct mcd_mbox mbx; 1820 int error; 1821 1822 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1823 return EINVAL; 1824 1825 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1826 return error; 1827 1828 mbx.cmd = sc->lastpb; 1829 mbx.res.length = 0; 1830 return mcd_send(sc, &mbx, 1); 1831 } 1832 1833 int 1834 mcd_eject(sc) 1835 struct mcd_softc *sc; 1836 { 1837 struct mcd_mbox mbx; 1838 1839 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1840 mbx.cmd.length = 0; 1841 mbx.res.length = 0; 1842 return mcd_send(sc, &mbx, 0); 1843 } 1844 1845 int 1846 mcd_setlock(sc, mode) 1847 struct mcd_softc *sc; 1848 int mode; 1849 { 1850 struct mcd_mbox mbx; 1851 1852 mbx.cmd.opcode = MCD_CMDSETLOCK; 1853 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1854 mbx.cmd.data.lockmode.mode = mode; 1855 mbx.res.length = 0; 1856 return mcd_send(sc, &mbx, 1); 1857 } 1858
Indexes created Tue Sep 30 10:09:55 GMT 2025