mcd.c revision 1.69
1 /* $NetBSD: mcd.c,v 1.69 2001/01/08 02:03:47 fvdl 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/types.h> 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/callout.h> 62 #include <sys/kernel.h> 63 #include <sys/proc.h> 64 #include <sys/conf.h> 65 #include <sys/file.h> 66 #include <sys/buf.h> 67 #include <sys/stat.h> 68 #include <sys/uio.h> 69 #include <sys/ioctl.h> 70 #include <sys/cdio.h> 71 #include <sys/errno.h> 72 #include <sys/disklabel.h> 73 #include <sys/device.h> 74 #include <sys/disk.h> 75 76 #include <machine/cpu.h> 77 #include <machine/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/isa/isavar.h> 81 #include <dev/isa/mcdreg.h> 82 83 #ifndef MCDDEBUG 84 #define MCD_TRACE(fmt,a,b,c,d) 85 #else 86 #define MCD_TRACE(fmt,a,b,c,d) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}} 87 #endif 88 89 #define MCDPART(dev) DISKPART(dev) 90 #define MCDUNIT(dev) DISKUNIT(dev) 91 92 /* toc */ 93 #define MCD_MAXTOCS 104 /* from the Linux driver */ 94 95 /* control promiscuous match */ 96 #include "opt_mcd_promisc.h" 97 98 #ifdef MCD_PROMISC 99 int mcd_promisc = 1; 100 #else 101 int mcd_promisc = 0; 102 #endif 103 104 struct mcd_mbx { 105 int retry, count; 106 struct buf *bp; 107 daddr_t blkno; 108 int nblk; 109 int sz; 110 u_long skip; 111 int state; 112 #define MCD_S_IDLE 0 113 #define MCD_S_BEGIN 1 114 #define MCD_S_WAITMODE 2 115 #define MCD_S_WAITREAD 3 116 int mode; 117 }; 118 119 struct mcd_softc { 120 struct device sc_dev; 121 struct disk sc_dk; 122 void *sc_ih; 123 124 struct callout sc_pintr_ch; 125 126 bus_space_tag_t sc_iot; 127 bus_space_handle_t sc_ioh; 128 129 int irq, drq; 130 131 char *type; 132 int flags; 133 #define MCDF_LOCKED 0x01 134 #define MCDF_WANTED 0x02 135 #define MCDF_WLABEL 0x04 /* label is writable */ 136 #define MCDF_LABELLING 0x08 /* writing label */ 137 #define MCDF_LOADED 0x10 /* parameters loaded */ 138 short status; 139 short audio_status; 140 int blksize; 141 u_long disksize; 142 struct mcd_volinfo volinfo; 143 union mcd_qchninfo toc[MCD_MAXTOCS]; 144 struct mcd_command lastpb; 145 struct mcd_mbx mbx; 146 int lastmode; 147 #define MCD_MD_UNKNOWN -1 148 int lastupc; 149 #define MCD_UPC_UNKNOWN -1 150 struct buf_queue buf_queue; 151 int active; 152 u_char readcmd; 153 u_char debug; 154 u_char probe; 155 }; 156 157 /* prototypes */ 158 /* XXX does not belong here */ 159 cdev_decl(mcd); 160 bdev_decl(mcd); 161 162 static int bcd2bin __P((bcd_t)); 163 static bcd_t bin2bcd __P((int)); 164 static void hsg2msf __P((int, bcd_t *)); 165 static daddr_t msf2hsg __P((bcd_t *, int)); 166 167 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 168 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 169 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 170 int mcd_stop __P((struct mcd_softc *)); 171 int mcd_eject __P((struct mcd_softc *)); 172 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 173 int mcd_pause __P((struct mcd_softc *)); 174 int mcd_resume __P((struct mcd_softc *)); 175 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 176 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 177 178 int mcd_getreply __P((struct mcd_softc *)); 179 int mcd_getstat __P((struct mcd_softc *)); 180 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 181 void mcd_setflags __P((struct mcd_softc *)); 182 int mcd_get __P((struct mcd_softc *, char *, int)); 183 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 184 int mcdintr __P((void *)); 185 void mcd_soft_reset __P((struct mcd_softc *)); 186 int mcd_hard_reset __P((struct mcd_softc *)); 187 int mcd_setmode __P((struct mcd_softc *, int)); 188 int mcd_setupc __P((struct mcd_softc *, int)); 189 int mcd_read_toc __P((struct mcd_softc *)); 190 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 191 int mcd_setlock __P((struct mcd_softc *, int)); 192 193 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 194 int mcdprobe __P((struct device *, struct cfdata *, void *)); 195 void mcdattach __P((struct device *, struct device *, void *)); 196 197 struct cfattach mcd_ca = { 198 sizeof(struct mcd_softc), mcdprobe, mcdattach 199 }; 200 201 extern struct cfdriver mcd_cd; 202 203 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 204 void mcdgetdisklabel __P((struct mcd_softc *)); 205 int mcd_get_parms __P((struct mcd_softc *)); 206 void mcdstrategy __P((struct buf *)); 207 void mcdstart __P((struct mcd_softc *)); 208 int mcdlock __P((struct mcd_softc *)); 209 void mcdunlock __P((struct mcd_softc *)); 210 void mcd_pseudointr __P((void *)); 211 212 struct dkdriver mcddkdriver = { mcdstrategy }; 213 214 #define MCD_RETRIES 3 215 #define MCD_RDRETRIES 3 216 217 /* several delays */ 218 #define RDELAY_WAITMODE 300 219 #define RDELAY_WAITREAD 800 220 221 #define DELAY_GRANULARITY 25 /* 25us */ 222 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 223 224 void 225 mcdattach(parent, self, aux) 226 struct device *parent, *self; 227 void *aux; 228 { 229 struct mcd_softc *sc = (void *)self; 230 struct isa_attach_args *ia = aux; 231 bus_space_tag_t iot = ia->ia_iot; 232 bus_space_handle_t ioh; 233 struct mcd_mbox mbx; 234 235 /* Map i/o space */ 236 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 237 printf(": can't map i/o space\n"); 238 return; 239 } 240 241 sc->sc_iot = iot; 242 sc->sc_ioh = ioh; 243 244 sc->probe = 0; 245 sc->debug = 0; 246 247 if (!mcd_find(iot, ioh, sc)) { 248 printf(": mcd_find failed\n"); 249 return; 250 } 251 252 BUFQ_INIT(&sc->buf_queue); 253 callout_init(&sc->sc_pintr_ch); 254 255 /* 256 * Initialize and attach the disk structure. 257 */ 258 sc->sc_dk.dk_driver = &mcddkdriver; 259 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 260 disk_attach(&sc->sc_dk); 261 262 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 263 264 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 265 266 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 267 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 268 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 269 mbx.cmd.data.config.data1 = 0x01; 270 mbx.res.length = 0; 271 (void) mcd_send(sc, &mbx, 0); 272 273 mcd_soft_reset(sc); 274 275 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 276 IPL_BIO, mcdintr, sc); 277 } 278 279 /* 280 * Wait interruptibly for an exclusive lock. 281 * 282 * XXX 283 * Several drivers do this; it should be abstracted and made MP-safe. 284 */ 285 int 286 mcdlock(sc) 287 struct mcd_softc *sc; 288 { 289 int error; 290 291 while ((sc->flags & MCDF_LOCKED) != 0) { 292 sc->flags |= MCDF_WANTED; 293 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 294 return error; 295 } 296 sc->flags |= MCDF_LOCKED; 297 return 0; 298 } 299 300 /* 301 * Unlock and wake up any waiters. 302 */ 303 void 304 mcdunlock(sc) 305 struct mcd_softc *sc; 306 { 307 308 sc->flags &= ~MCDF_LOCKED; 309 if ((sc->flags & MCDF_WANTED) != 0) { 310 sc->flags &= ~MCDF_WANTED; 311 wakeup(sc); 312 } 313 } 314 315 int 316 mcdopen(dev, flag, fmt, p) 317 dev_t dev; 318 int flag, fmt; 319 struct proc *p; 320 { 321 int error, part; 322 struct mcd_softc *sc; 323 324 sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 325 if (sc == NULL) 326 return ENXIO; 327 328 if ((error = mcdlock(sc)) != 0) 329 return error; 330 331 if (sc->sc_dk.dk_openmask != 0) { 332 /* 333 * If any partition is open, but the disk has been invalidated, 334 * disallow further opens. 335 */ 336 if ((sc->flags & MCDF_LOADED) == 0) { 337 error = EIO; 338 goto bad3; 339 } 340 } else { 341 /* 342 * Lock the drawer. This will also notice any pending disk 343 * change or door open indicator and clear the MCDF_LOADED bit 344 * if necessary. 345 */ 346 (void) mcd_setlock(sc, MCD_LK_LOCK); 347 348 if ((sc->flags & MCDF_LOADED) == 0) { 349 /* Partially reset the state. */ 350 sc->lastmode = MCD_MD_UNKNOWN; 351 sc->lastupc = MCD_UPC_UNKNOWN; 352 353 sc->flags |= MCDF_LOADED; 354 355 /* Set the mode, causing the disk to spin up. */ 356 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 357 goto bad2; 358 359 /* Load the physical device parameters. */ 360 if (mcd_get_parms(sc) != 0) { 361 error = ENXIO; 362 goto bad2; 363 } 364 365 /* Read the table of contents. */ 366 if ((error = mcd_read_toc(sc)) != 0) 367 goto bad2; 368 369 /* Fabricate a disk label. */ 370 mcdgetdisklabel(sc); 371 } 372 } 373 374 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 375 sc->disksize, sc->blksize, 0); 376 377 part = MCDPART(dev); 378 379 /* Check that the partition exists. */ 380 if (part != RAW_PART && 381 (part >= sc->sc_dk.dk_label->d_npartitions || 382 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 383 error = ENXIO; 384 goto bad; 385 } 386 387 /* Insure only one open at a time. */ 388 switch (fmt) { 389 case S_IFCHR: 390 sc->sc_dk.dk_copenmask |= (1 << part); 391 break; 392 case S_IFBLK: 393 sc->sc_dk.dk_bopenmask |= (1 << part); 394 break; 395 } 396 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 397 398 mcdunlock(sc); 399 return 0; 400 401 bad2: 402 sc->flags &= ~MCDF_LOADED; 403 404 bad: 405 if (sc->sc_dk.dk_openmask == 0) { 406 #if 0 407 (void) mcd_setmode(sc, MCD_MD_SLEEP); 408 #endif 409 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 410 } 411 412 bad3: 413 mcdunlock(sc); 414 return error; 415 } 416 417 int 418 mcdclose(dev, flag, fmt, p) 419 dev_t dev; 420 int flag, fmt; 421 struct proc *p; 422 { 423 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 424 int part = MCDPART(dev); 425 int error; 426 427 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 428 429 if ((error = mcdlock(sc)) != 0) 430 return error; 431 432 switch (fmt) { 433 case S_IFCHR: 434 sc->sc_dk.dk_copenmask &= ~(1 << part); 435 break; 436 case S_IFBLK: 437 sc->sc_dk.dk_bopenmask &= ~(1 << part); 438 break; 439 } 440 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 441 442 if (sc->sc_dk.dk_openmask == 0) { 443 /* XXXX Must wait for I/O to complete! */ 444 445 #if 0 446 (void) mcd_setmode(sc, MCD_MD_SLEEP); 447 #endif 448 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 449 } 450 451 mcdunlock(sc); 452 return 0; 453 } 454 455 void 456 mcdstrategy(bp) 457 struct buf *bp; 458 { 459 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev)); 460 struct disklabel *lp = sc->sc_dk.dk_label; 461 daddr_t blkno; 462 int s; 463 464 /* Test validity. */ 465 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 466 bp->b_blkno, bp->b_bcount, 0); 467 if (bp->b_blkno < 0 || 468 (bp->b_bcount % sc->blksize) != 0) { 469 printf("%s: strategy: blkno = %d bcount = %ld\n", 470 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 471 bp->b_error = EINVAL; 472 goto bad; 473 } 474 475 /* If device invalidated (e.g. media change, door open), error. */ 476 if ((sc->flags & MCDF_LOADED) == 0) { 477 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 478 bp->b_error = EIO; 479 goto bad; 480 } 481 482 /* No data to read. */ 483 if (bp->b_bcount == 0) 484 goto done; 485 486 /* 487 * Do bounds checking, adjust transfer. if error, process. 488 * If end of partition, just return. 489 */ 490 if (MCDPART(bp->b_dev) != RAW_PART && 491 bounds_check_with_label(bp, lp, 492 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 493 goto done; 494 495 /* 496 * Now convert the block number to absolute and put it in 497 * terms of the device's logical block size. 498 */ 499 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 500 if (MCDPART(bp->b_dev) != RAW_PART) 501 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 502 503 bp->b_rawblkno = blkno; 504 505 /* Queue it. */ 506 s = splbio(); 507 disksort_blkno(&sc->buf_queue, bp); 508 splx(s); 509 if (!sc->active) 510 mcdstart(sc); 511 return; 512 513 bad: 514 bp->b_flags |= B_ERROR; 515 done: 516 bp->b_resid = bp->b_bcount; 517 biodone(bp); 518 } 519 520 void 521 mcdstart(sc) 522 struct mcd_softc *sc; 523 { 524 struct buf *bp; 525 int s; 526 527 loop: 528 s = splbio(); 529 530 if ((bp = BUFQ_FIRST(&sc->buf_queue)) == NULL) { 531 /* Nothing to do. */ 532 sc->active = 0; 533 splx(s); 534 return; 535 } 536 537 /* Block found to process; dequeue. */ 538 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 539 BUFQ_REMOVE(&sc->buf_queue, bp); 540 splx(s); 541 542 /* Changed media? */ 543 if ((sc->flags & MCDF_LOADED) == 0) { 544 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 545 bp->b_error = EIO; 546 bp->b_flags |= B_ERROR; 547 biodone(bp); 548 goto loop; 549 } 550 551 sc->active = 1; 552 553 /* Instrumentation. */ 554 s = splbio(); 555 disk_busy(&sc->sc_dk); 556 splx(s); 557 558 sc->mbx.retry = MCD_RDRETRIES; 559 sc->mbx.bp = bp; 560 sc->mbx.blkno = bp->b_rawblkno; 561 sc->mbx.nblk = bp->b_bcount / sc->blksize; 562 sc->mbx.sz = sc->blksize; 563 sc->mbx.skip = 0; 564 sc->mbx.state = MCD_S_BEGIN; 565 sc->mbx.mode = MCD_MD_COOKED; 566 567 s = splbio(); 568 (void) mcdintr(sc); 569 splx(s); 570 } 571 572 int 573 mcdread(dev, uio, flags) 574 dev_t dev; 575 struct uio *uio; 576 int flags; 577 { 578 579 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 580 } 581 582 int 583 mcdwrite(dev, uio, flags) 584 dev_t dev; 585 struct uio *uio; 586 int flags; 587 { 588 589 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 590 } 591 592 int 593 mcdioctl(dev, cmd, addr, flag, p) 594 dev_t dev; 595 u_long cmd; 596 caddr_t addr; 597 int flag; 598 struct proc *p; 599 { 600 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev)); 601 int error; 602 int part; 603 #ifdef __HAVE_OLD_DISKLABEL 604 struct disklabel newlabel; 605 #endif 606 607 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 608 609 if ((sc->flags & MCDF_LOADED) == 0) 610 return EIO; 611 612 part = MCDPART(dev); 613 switch (cmd) { 614 case DIOCGDINFO: 615 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 616 return 0; 617 ifdef __HAVE_OLD_DISKLABEL 618 case ODIOCGDINFO: 619 newlabel = *(sc->sc_dk.dk_label); 620 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 621 return ENOTTY; 622 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 623 return 0; 624 #endif 625 626 case DIOCGPART: 627 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 628 ((struct partinfo *)addr)->part = 629 &sc->sc_dk.dk_label->d_partitions[part]; 630 return 0; 631 632 case DIOCWDINFO: 633 case DIOCSDINFO: 634 #ifdef __HAVE_OLD_DISKLABEL 635 case ODIOCWDINFO: 636 case ODIOCSDINFO: 637 #endif 638 { 639 struct disklabel *lp; 640 641 if ((flag & FWRITE) == 0) 642 return EBADF; 643 644 #ifdef __HAVE_OLD_DISKLABEL 645 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 646 memset(&newlabel, 0, sizeof newlabel); 647 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 648 lp = &newlabel; 649 } else 650 #endif 651 lp = (struct disklabel *)addr; 652 653 if ((error = mcdlock(sc)) != 0) 654 return error; 655 sc->flags |= MCDF_LABELLING; 656 657 error = setdisklabel(sc->sc_dk.dk_label, 658 lp, /*sc->sc_dk.dk_openmask : */0, 659 sc->sc_dk.dk_cpulabel); 660 if (error == 0) { 661 } 662 663 sc->flags &= ~MCDF_LABELLING; 664 mcdunlock(sc); 665 return error; 666 } 667 668 case DIOCWLABEL: 669 return EBADF; 670 671 case DIOCGDEFLABEL: 672 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 673 return 0; 674 675 #ifdef __HAVE_OLD_DISKLABEL 676 case ODIOCGDEFLABEL: 677 mcdgetdefaultlabel(sc, &newlabel); 678 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 679 return ENOTTY; 680 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 681 return 0; 682 #endif 683 684 case CDIOCPLAYTRACKS: 685 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 686 case CDIOCPLAYMSF: 687 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 688 case CDIOCPLAYBLOCKS: 689 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 690 case CDIOCREADSUBCHANNEL: 691 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 692 case CDIOREADTOCHEADER: 693 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 694 case CDIOREADTOCENTRYS: 695 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 696 case CDIOCSETPATCH: 697 case CDIOCGETVOL: 698 case CDIOCSETVOL: 699 case CDIOCSETMONO: 700 case CDIOCSETSTEREO: 701 case CDIOCSETMUTE: 702 case CDIOCSETLEFT: 703 case CDIOCSETRIGHT: 704 return EINVAL; 705 case CDIOCRESUME: 706 return mcd_resume(sc); 707 case CDIOCPAUSE: 708 return mcd_pause(sc); 709 case CDIOCSTART: 710 return EINVAL; 711 case CDIOCSTOP: 712 return mcd_stop(sc); 713 case DIOCEJECT: 714 if (*(int *)addr == 0) { 715 /* 716 * Don't force eject: check that we are the only 717 * partition open. If so, unlock it. 718 */ 719 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 720 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 721 sc->sc_dk.dk_openmask) { 722 error = mcd_setlock(sc, MCD_LK_UNLOCK); 723 if (error) 724 return (error); 725 } else { 726 return (EBUSY); 727 } 728 } 729 /* FALLTHROUGH */ 730 case CDIOCEJECT: /* FALLTHROUGH */ 731 case ODIOCEJECT: 732 return mcd_eject(sc); 733 case CDIOCALLOW: 734 return mcd_setlock(sc, MCD_LK_UNLOCK); 735 case CDIOCPREVENT: 736 return mcd_setlock(sc, MCD_LK_LOCK); 737 case DIOCLOCK: 738 return mcd_setlock(sc, 739 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 740 case CDIOCSETDEBUG: 741 sc->debug = 1; 742 return 0; 743 case CDIOCCLRDEBUG: 744 sc->debug = 0; 745 return 0; 746 case CDIOCRESET: 747 return mcd_hard_reset(sc); 748 749 default: 750 return ENOTTY; 751 } 752 753 #ifdef DIAGNOSTIC 754 panic("mcdioctl: impossible"); 755 #endif 756 } 757 758 void 759 mcdgetdefaultlabel(sc, lp) 760 struct mcd_softc *sc; 761 struct disklabel *lp; 762 { 763 764 bzero(lp, sizeof(struct disklabel)); 765 766 lp->d_secsize = sc->blksize; 767 lp->d_ntracks = 1; 768 lp->d_nsectors = 100; 769 lp->d_ncylinders = (sc->disksize / 100) + 1; 770 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 771 772 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 773 lp->d_type = 0; /* XXX */ 774 strncpy(lp->d_packname, "fictitious", 16); 775 lp->d_secperunit = sc->disksize; 776 lp->d_rpm = 300; 777 lp->d_interleave = 1; 778 lp->d_flags = D_REMOVABLE; 779 780 lp->d_partitions[0].p_offset = 0; 781 lp->d_partitions[0].p_size = 782 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 783 lp->d_partitions[0].p_fstype = FS_ISO9660; 784 lp->d_partitions[RAW_PART].p_offset = 0; 785 lp->d_partitions[RAW_PART].p_size = 786 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 787 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 788 lp->d_npartitions = RAW_PART + 1; 789 790 lp->d_magic = DISKMAGIC; 791 lp->d_magic2 = DISKMAGIC; 792 lp->d_checksum = dkcksum(lp); 793 } 794 795 /* 796 * This could have been taken from scsi/cd.c, but it is not clear 797 * whether the scsi cd driver is linked in. 798 */ 799 void 800 mcdgetdisklabel(sc) 801 struct mcd_softc *sc; 802 { 803 struct disklabel *lp = sc->sc_dk.dk_label; 804 805 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 806 807 mcdgetdefaultlabel(sc, lp); 808 } 809 810 int 811 mcd_get_parms(sc) 812 struct mcd_softc *sc; 813 { 814 struct mcd_mbox mbx; 815 daddr_t size; 816 int error; 817 818 /* Send volume info command. */ 819 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 820 mbx.cmd.length = 0; 821 mbx.res.length = sizeof(mbx.res.data.volinfo); 822 if ((error = mcd_send(sc, &mbx, 1)) != 0) 823 return error; 824 825 if (mbx.res.data.volinfo.trk_low == 0x00 && 826 mbx.res.data.volinfo.trk_high == 0x00) 827 return EINVAL; 828 829 /* Volinfo is OK. */ 830 sc->volinfo = mbx.res.data.volinfo; 831 sc->blksize = MCD_BLKSIZE_COOKED; 832 size = msf2hsg(sc->volinfo.vol_msf, 0); 833 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 834 return 0; 835 } 836 837 int 838 mcdsize(dev) 839 dev_t dev; 840 { 841 842 /* CD-ROMs are read-only. */ 843 return -1; 844 } 845 846 int 847 mcddump(dev, blkno, va, size) 848 dev_t dev; 849 daddr_t blkno; 850 caddr_t va; 851 size_t size; 852 { 853 854 /* Not implemented. */ 855 return ENXIO; 856 } 857 858 /* 859 * Find the board and fill in the softc. 860 */ 861 int 862 mcd_find(iot, ioh, sc) 863 bus_space_tag_t iot; 864 bus_space_handle_t ioh; 865 struct mcd_softc *sc; 866 { 867 int i; 868 struct mcd_mbox mbx; 869 870 sc->sc_iot = iot; 871 sc->sc_ioh = ioh; 872 873 /* Send a reset. */ 874 bus_space_write_1(iot, ioh, MCD_RESET, 0); 875 delay(1000000); 876 /* Get any pending status and throw away. */ 877 for (i = 10; i; i--) 878 bus_space_read_1(iot, ioh, MCD_STATUS); 879 delay(1000); 880 881 /* Send get status command. */ 882 mbx.cmd.opcode = MCD_CMDGETSTAT; 883 mbx.cmd.length = 0; 884 mbx.res.length = 0; 885 if (mcd_send(sc, &mbx, 0) != 0) 886 return 0; 887 888 /* Get info about the drive. */ 889 mbx.cmd.opcode = MCD_CMDCONTINFO; 890 mbx.cmd.length = 0; 891 mbx.res.length = sizeof(mbx.res.data.continfo); 892 if (mcd_send(sc, &mbx, 0) != 0) 893 return 0; 894 895 /* 896 * The following is code which is not guaranteed to work for all 897 * drives, because the meaning of the expected 'M' is not clear 898 * (M_itsumi is an obvious assumption, but I don't trust that). 899 * Also, the original hack had a bogus condition that always 900 * returned true. 901 * 902 * Note: Which models support interrupts? >=LU005S? 903 */ 904 sc->readcmd = MCD_CMDREADSINGLESPEED; 905 switch (mbx.res.data.continfo.code) { 906 case 'M': 907 if (mbx.res.data.continfo.version <= 2) 908 sc->type = "LU002S"; 909 else if (mbx.res.data.continfo.version <= 5) 910 sc->type = "LU005S"; 911 else 912 sc->type = "LU006S"; 913 break; 914 case 'F': 915 sc->type = "FX001"; 916 break; 917 case 'D': 918 sc->type = "FX001D"; 919 sc->readcmd = MCD_CMDREADDOUBLESPEED; 920 break; 921 default: 922 /* 923 * mcd_send() says the response looked OK but the 924 * drive type is unknown. If mcd_promisc, match anyway. 925 */ 926 if (mcd_promisc != 0) 927 return 0; 928 929 #ifdef MCDDEBUG 930 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 931 sc->sc_dev.dv_xname, 932 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 933 #endif 934 sc->type = 0; 935 break; 936 } 937 938 return 1; 939 940 } 941 942 int 943 mcdprobe(parent, match, aux) 944 struct device *parent; 945 struct cfdata *match; 946 void *aux; 947 { 948 struct isa_attach_args *ia = aux; 949 struct mcd_softc sc; 950 bus_space_tag_t iot = ia->ia_iot; 951 bus_space_handle_t ioh; 952 int rv; 953 954 /* Disallow wildcarded i/o address. */ 955 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 956 return (0); 957 958 /* Map i/o space */ 959 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 960 return 0; 961 962 sc.debug = 0; 963 sc.probe = 1; 964 965 rv = mcd_find(iot, ioh, &sc); 966 967 bus_space_unmap(iot, ioh, MCD_NPORT); 968 969 if (rv) { 970 ia->ia_iosize = MCD_NPORT; 971 ia->ia_msize = 0; 972 } 973 974 return (rv); 975 } 976 977 int 978 mcd_getreply(sc) 979 struct mcd_softc *sc; 980 { 981 bus_space_tag_t iot = sc->sc_iot; 982 bus_space_handle_t ioh = sc->sc_ioh; 983 int i; 984 985 /* Wait until xfer port senses data ready. */ 986 for (i = DELAY_GETREPLY; i; i--) { 987 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 988 MCD_XF_STATUSUNAVAIL) == 0) 989 break; 990 delay(DELAY_GRANULARITY); 991 } 992 if (!i) 993 return -1; 994 995 /* Get the data. */ 996 return bus_space_read_1(iot, ioh, MCD_STATUS); 997 } 998 999 int 1000 mcd_getstat(sc) 1001 struct mcd_softc *sc; 1002 { 1003 struct mcd_mbox mbx; 1004 1005 mbx.cmd.opcode = MCD_CMDGETSTAT; 1006 mbx.cmd.length = 0; 1007 mbx.res.length = 0; 1008 return mcd_send(sc, &mbx, 1); 1009 } 1010 1011 int 1012 mcd_getresult(sc, res) 1013 struct mcd_softc *sc; 1014 struct mcd_result *res; 1015 { 1016 int i, x; 1017 1018 if (sc->debug) 1019 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 1020 res->length); 1021 1022 if ((x = mcd_getreply(sc)) < 0) { 1023 if (sc->debug) 1024 printf(" timeout\n"); 1025 else if (!sc->probe) 1026 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1027 return EIO; 1028 } 1029 if (sc->debug) 1030 printf(" %02x", (u_int)x); 1031 sc->status = x; 1032 mcd_setflags(sc); 1033 1034 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1035 return EINVAL; 1036 1037 for (i = 0; i < res->length; i++) { 1038 if ((x = mcd_getreply(sc)) < 0) { 1039 if (sc->debug) 1040 printf(" timeout\n"); 1041 else 1042 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1043 return EIO; 1044 } 1045 if (sc->debug) 1046 printf(" %02x", (u_int)x); 1047 res->data.raw.data[i] = x; 1048 } 1049 1050 if (sc->debug) 1051 printf(" succeeded\n"); 1052 1053 #ifdef MCDDEBUG 1054 delay(10); 1055 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1056 MCD_XF_STATUSUNAVAIL) == 0) { 1057 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1058 printf("%s: got extra byte %02x during getstatus\n", 1059 sc->sc_dev.dv_xname, (u_int)x); 1060 delay(10); 1061 } 1062 #endif 1063 1064 return 0; 1065 } 1066 1067 void 1068 mcd_setflags(sc) 1069 struct mcd_softc *sc; 1070 { 1071 1072 /* Check flags. */ 1073 if ((sc->flags & MCDF_LOADED) != 0 && 1074 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1075 MCD_ST_DSKIN) { 1076 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1077 printf("%s: door open\n", sc->sc_dev.dv_xname); 1078 else if ((sc->status & MCD_ST_DSKIN) == 0) 1079 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1080 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1081 printf("%s: media change\n", sc->sc_dev.dv_xname); 1082 sc->flags &= ~MCDF_LOADED; 1083 } 1084 1085 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1086 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1087 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1088 sc->audio_status == CD_AS_AUDIO_INVALID) 1089 sc->audio_status = CD_AS_PLAY_COMPLETED; 1090 } 1091 1092 int 1093 mcd_send(sc, mbx, diskin) 1094 struct mcd_softc *sc; 1095 struct mcd_mbox *mbx; 1096 int diskin; 1097 { 1098 int retry, i, error; 1099 bus_space_tag_t iot = sc->sc_iot; 1100 bus_space_handle_t ioh = sc->sc_ioh; 1101 1102 if (sc->debug) { 1103 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1104 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1105 for (i = 0; i < mbx->cmd.length; i++) 1106 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1107 printf("\n"); 1108 } 1109 1110 for (retry = MCD_RETRIES; retry; retry--) { 1111 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1112 for (i = 0; i < mbx->cmd.length; i++) 1113 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1114 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1115 break; 1116 if (error == EINVAL) 1117 return error; 1118 } 1119 if (!retry) 1120 return error; 1121 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1122 return EIO; 1123 1124 return 0; 1125 } 1126 1127 static int 1128 bcd2bin(b) 1129 bcd_t b; 1130 { 1131 1132 return (b >> 4) * 10 + (b & 15); 1133 } 1134 1135 static bcd_t 1136 bin2bcd(b) 1137 int b; 1138 { 1139 1140 return ((b / 10) << 4) | (b % 10); 1141 } 1142 1143 static void 1144 hsg2msf(hsg, msf) 1145 int hsg; 1146 bcd_t *msf; 1147 { 1148 1149 hsg += 150; 1150 F_msf(msf) = bin2bcd(hsg % 75); 1151 hsg /= 75; 1152 S_msf(msf) = bin2bcd(hsg % 60); 1153 hsg /= 60; 1154 M_msf(msf) = bin2bcd(hsg); 1155 } 1156 1157 static daddr_t 1158 msf2hsg(msf, relative) 1159 bcd_t *msf; 1160 int relative; 1161 { 1162 daddr_t blkno; 1163 1164 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1165 bcd2bin(S_msf(msf)) * 75 + 1166 bcd2bin(F_msf(msf)); 1167 if (!relative) 1168 blkno -= 150; 1169 return blkno; 1170 } 1171 1172 void 1173 mcd_pseudointr(v) 1174 void *v; 1175 { 1176 struct mcd_softc *sc = v; 1177 int s; 1178 1179 s = splbio(); 1180 (void) mcdintr(sc); 1181 splx(s); 1182 } 1183 1184 /* 1185 * State machine to process read requests. 1186 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1187 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1188 * MCD_S_WAITREAD: wait for read ready, read data. 1189 */ 1190 int 1191 mcdintr(arg) 1192 void *arg; 1193 { 1194 struct mcd_softc *sc = arg; 1195 struct mcd_mbx *mbx = &sc->mbx; 1196 struct buf *bp = mbx->bp; 1197 bus_space_tag_t iot = sc->sc_iot; 1198 bus_space_handle_t ioh = sc->sc_ioh; 1199 1200 int i; 1201 u_char x; 1202 bcd_t msf[3]; 1203 1204 switch (mbx->state) { 1205 case MCD_S_IDLE: 1206 return 0; 1207 1208 case MCD_S_BEGIN: 1209 tryagain: 1210 if (mbx->mode == sc->lastmode) 1211 goto firstblock; 1212 1213 sc->lastmode = MCD_MD_UNKNOWN; 1214 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1215 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1216 1217 mbx->count = RDELAY_WAITMODE; 1218 mbx->state = MCD_S_WAITMODE; 1219 1220 case MCD_S_WAITMODE: 1221 callout_stop(&sc->sc_pintr_ch); 1222 for (i = 20; i; i--) { 1223 x = bus_space_read_1(iot, ioh, MCD_XFER); 1224 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1225 break; 1226 delay(50); 1227 } 1228 if (i == 0) 1229 goto hold; 1230 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1231 mcd_setflags(sc); 1232 if ((sc->flags & MCDF_LOADED) == 0) 1233 goto changed; 1234 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1235 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1236 1237 sc->lastmode = mbx->mode; 1238 1239 firstblock: 1240 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1241 bp, 0, 0); 1242 1243 /* Build parameter block. */ 1244 hsg2msf(mbx->blkno, msf); 1245 1246 /* Send the read command. */ 1247 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1248 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1249 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1250 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1251 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1252 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1253 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1254 1255 mbx->count = RDELAY_WAITREAD; 1256 mbx->state = MCD_S_WAITREAD; 1257 1258 case MCD_S_WAITREAD: 1259 callout_stop(&sc->sc_pintr_ch); 1260 nextblock: 1261 loop: 1262 for (i = 20; i; i--) { 1263 x = bus_space_read_1(iot, ioh, MCD_XFER); 1264 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1265 goto gotblock; 1266 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1267 break; 1268 delay(50); 1269 } 1270 if (i == 0) 1271 goto hold; 1272 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1273 mcd_setflags(sc); 1274 if ((sc->flags & MCDF_LOADED) == 0) 1275 goto changed; 1276 #if 0 1277 printf("%s: got status byte %02x during read\n", 1278 sc->sc_dev.dv_xname, (u_int)sc->status); 1279 #endif 1280 goto loop; 1281 1282 gotblock: 1283 MCD_TRACE("doread: got data delay=%d\n", 1284 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1285 1286 /* Data is ready. */ 1287 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1288 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1289 bp->b_data + mbx->skip, mbx->sz); 1290 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1291 mbx->blkno += 1; 1292 mbx->skip += mbx->sz; 1293 if (--mbx->nblk > 0) 1294 goto nextblock; 1295 1296 mbx->state = MCD_S_IDLE; 1297 1298 /* Return buffer. */ 1299 bp->b_resid = 0; 1300 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1301 biodone(bp); 1302 1303 mcdstart(sc); 1304 return 1; 1305 1306 hold: 1307 if (mbx->count-- < 0) { 1308 printf("%s: timeout in state %d", 1309 sc->sc_dev.dv_xname, mbx->state); 1310 goto readerr; 1311 } 1312 1313 #if 0 1314 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1315 mbx->state); 1316 #endif 1317 callout_reset(&sc->sc_pintr_ch, hz / 100, 1318 mcd_pseudointr, sc); 1319 return -1; 1320 } 1321 1322 readerr: 1323 if (mbx->retry-- > 0) { 1324 printf("; retrying\n"); 1325 goto tryagain; 1326 } else 1327 printf("; giving up\n"); 1328 1329 changed: 1330 /* Invalidate the buffer. */ 1331 bp->b_flags |= B_ERROR; 1332 bp->b_resid = bp->b_bcount - mbx->skip; 1333 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1334 biodone(bp); 1335 1336 mcdstart(sc); 1337 return -1; 1338 1339 #ifdef notyet 1340 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1341 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1342 delay(300000); 1343 (void) mcd_getstat(sc, 1); 1344 (void) mcd_getstat(sc, 1); 1345 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1346 sc->debug = 1; /* preventive set debug mode */ 1347 #endif 1348 } 1349 1350 void 1351 mcd_soft_reset(sc) 1352 struct mcd_softc *sc; 1353 { 1354 1355 sc->debug = 0; 1356 sc->flags = 0; 1357 sc->lastmode = MCD_MD_UNKNOWN; 1358 sc->lastupc = MCD_UPC_UNKNOWN; 1359 sc->audio_status = CD_AS_AUDIO_INVALID; 1360 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1361 } 1362 1363 int 1364 mcd_hard_reset(sc) 1365 struct mcd_softc *sc; 1366 { 1367 struct mcd_mbox mbx; 1368 1369 mcd_soft_reset(sc); 1370 1371 mbx.cmd.opcode = MCD_CMDRESET; 1372 mbx.cmd.length = 0; 1373 mbx.res.length = 0; 1374 return mcd_send(sc, &mbx, 0); 1375 } 1376 1377 int 1378 mcd_setmode(sc, mode) 1379 struct mcd_softc *sc; 1380 int mode; 1381 { 1382 struct mcd_mbox mbx; 1383 int error; 1384 1385 if (sc->lastmode == mode) 1386 return 0; 1387 if (sc->debug) 1388 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1389 sc->lastmode = MCD_MD_UNKNOWN; 1390 1391 mbx.cmd.opcode = MCD_CMDSETMODE; 1392 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1393 mbx.cmd.data.datamode.mode = mode; 1394 mbx.res.length = 0; 1395 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1396 return error; 1397 1398 sc->lastmode = mode; 1399 return 0; 1400 } 1401 1402 int 1403 mcd_setupc(sc, upc) 1404 struct mcd_softc *sc; 1405 int upc; 1406 { 1407 struct mcd_mbox mbx; 1408 int error; 1409 1410 if (sc->lastupc == upc) 1411 return 0; 1412 if (sc->debug) 1413 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1414 sc->lastupc = MCD_UPC_UNKNOWN; 1415 1416 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1417 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1418 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1419 mbx.cmd.data.config.data1 = upc; 1420 mbx.res.length = 0; 1421 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1422 return error; 1423 1424 sc->lastupc = upc; 1425 return 0; 1426 } 1427 1428 int 1429 mcd_toc_header(sc, th) 1430 struct mcd_softc *sc; 1431 struct ioc_toc_header *th; 1432 { 1433 1434 if (sc->debug) 1435 printf("%s: mcd_toc_header: reading toc header\n", 1436 sc->sc_dev.dv_xname); 1437 1438 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1439 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1440 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1441 1442 return 0; 1443 } 1444 1445 int 1446 mcd_read_toc(sc) 1447 struct mcd_softc *sc; 1448 { 1449 struct ioc_toc_header th; 1450 union mcd_qchninfo q; 1451 int error, trk, idx, retry; 1452 1453 if ((error = mcd_toc_header(sc, &th)) != 0) 1454 return error; 1455 1456 if ((error = mcd_stop(sc)) != 0) 1457 return error; 1458 1459 if (sc->debug) 1460 printf("%s: read_toc: reading qchannel info\n", 1461 sc->sc_dev.dv_xname); 1462 1463 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1464 sc->toc[trk].toc.idx_no = 0x00; 1465 trk = th.ending_track - th.starting_track + 1; 1466 for (retry = 300; retry && trk > 0; retry--) { 1467 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1468 break; 1469 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1470 continue; 1471 idx = bcd2bin(q.toc.idx_no); 1472 if (idx < MCD_MAXTOCS && 1473 sc->toc[idx].toc.idx_no == 0x00) { 1474 sc->toc[idx] = q; 1475 trk--; 1476 } 1477 } 1478 1479 /* Inform the drive that we're finished so it turns off the light. */ 1480 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1481 return error; 1482 1483 if (trk != 0) 1484 return EINVAL; 1485 1486 /* Add a fake last+1 for mcd_playtracks(). */ 1487 idx = th.ending_track + 1; 1488 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1489 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1490 sc->toc[idx].toc.trk_no = 0x00; 1491 sc->toc[idx].toc.idx_no = 0xaa; 1492 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1493 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1494 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1495 1496 return 0; 1497 } 1498 1499 int 1500 mcd_toc_entries(sc, te) 1501 struct mcd_softc *sc; 1502 struct ioc_read_toc_entry *te; 1503 { 1504 int len = te->data_len; 1505 struct ret_toc { 1506 struct ioc_toc_header header; 1507 struct cd_toc_entry entries[MCD_MAXTOCS]; 1508 } data; 1509 u_char trk; 1510 daddr_t lba; 1511 int error, n; 1512 1513 if (len > sizeof(data.entries) || 1514 len < sizeof(struct cd_toc_entry)) 1515 return EINVAL; 1516 if (te->address_format != CD_MSF_FORMAT && 1517 te->address_format != CD_LBA_FORMAT) 1518 return EINVAL; 1519 1520 /* Copy the TOC header. */ 1521 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1522 return error; 1523 1524 /* Verify starting track. */ 1525 trk = te->starting_track; 1526 if (trk == 0x00) 1527 trk = data.header.starting_track; 1528 else if (trk == 0xaa) 1529 trk = data.header.ending_track + 1; 1530 else if (trk < data.header.starting_track || 1531 trk > data.header.ending_track + 1) 1532 return EINVAL; 1533 1534 /* Copy the TOC data. */ 1535 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1536 if (sc->toc[trk].toc.idx_no == 0x00) 1537 continue; 1538 data.entries[n].control = sc->toc[trk].toc.control; 1539 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1540 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1541 switch (te->address_format) { 1542 case CD_MSF_FORMAT: 1543 data.entries[n].addr.addr[0] = 0; 1544 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1545 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1546 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1547 break; 1548 case CD_LBA_FORMAT: 1549 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1550 data.entries[n].addr.addr[0] = lba >> 24; 1551 data.entries[n].addr.addr[1] = lba >> 16; 1552 data.entries[n].addr.addr[2] = lba >> 8; 1553 data.entries[n].addr.addr[3] = lba; 1554 break; 1555 } 1556 n++; 1557 } 1558 1559 len = min(len, n * sizeof(struct cd_toc_entry)); 1560 1561 /* Copy the data back. */ 1562 return copyout(&data.entries[0], te->data, len); 1563 } 1564 1565 int 1566 mcd_stop(sc) 1567 struct mcd_softc *sc; 1568 { 1569 struct mcd_mbox mbx; 1570 int error; 1571 1572 if (sc->debug) 1573 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1574 1575 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1576 mbx.cmd.length = 0; 1577 mbx.res.length = 0; 1578 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1579 return error; 1580 1581 sc->audio_status = CD_AS_PLAY_COMPLETED; 1582 return 0; 1583 } 1584 1585 int 1586 mcd_getqchan(sc, q, qchn) 1587 struct mcd_softc *sc; 1588 union mcd_qchninfo *q; 1589 int qchn; 1590 { 1591 struct mcd_mbox mbx; 1592 int error; 1593 1594 if (qchn == CD_TRACK_INFO) { 1595 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1596 return error; 1597 } else { 1598 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1599 return error; 1600 } 1601 if (qchn == CD_MEDIA_CATALOG) { 1602 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1603 return error; 1604 } else { 1605 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1606 return error; 1607 } 1608 1609 mbx.cmd.opcode = MCD_CMDGETQCHN; 1610 mbx.cmd.length = 0; 1611 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1612 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1613 return error; 1614 1615 *q = mbx.res.data.qchninfo; 1616 return 0; 1617 } 1618 1619 int 1620 mcd_read_subchannel(sc, ch) 1621 struct mcd_softc *sc; 1622 struct ioc_read_subchannel *ch; 1623 { 1624 int len = ch->data_len; 1625 union mcd_qchninfo q; 1626 struct cd_sub_channel_info data; 1627 daddr_t lba; 1628 int error; 1629 1630 if (sc->debug) 1631 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1632 ch->address_format, ch->data_format); 1633 1634 if (len > sizeof(data) || 1635 len < sizeof(struct cd_sub_channel_header)) 1636 return EINVAL; 1637 if (ch->address_format != CD_MSF_FORMAT && 1638 ch->address_format != CD_LBA_FORMAT) 1639 return EINVAL; 1640 if (ch->data_format != CD_CURRENT_POSITION && 1641 ch->data_format != CD_MEDIA_CATALOG) 1642 return EINVAL; 1643 1644 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1645 return error; 1646 1647 data.header.audio_status = sc->audio_status; 1648 data.what.media_catalog.data_format = ch->data_format; 1649 1650 switch (ch->data_format) { 1651 case CD_MEDIA_CATALOG: 1652 data.what.media_catalog.mc_valid = 1; 1653 #if 0 1654 data.what.media_catalog.mc_number = 1655 #endif 1656 break; 1657 1658 case CD_CURRENT_POSITION: 1659 data.what.position.track_number = bcd2bin(q.current.trk_no); 1660 data.what.position.index_number = bcd2bin(q.current.idx_no); 1661 switch (ch->address_format) { 1662 case CD_MSF_FORMAT: 1663 data.what.position.reladdr.addr[0] = 0; 1664 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1665 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1666 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1667 data.what.position.absaddr.addr[0] = 0; 1668 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1669 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1670 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1671 break; 1672 case CD_LBA_FORMAT: 1673 lba = msf2hsg(q.current.relative_pos, 1); 1674 /* 1675 * Pre-gap has index number of 0, and decreasing MSF 1676 * address. Must be converted to negative LBA, per 1677 * SCSI spec. 1678 */ 1679 if (data.what.position.index_number == 0x00) 1680 lba = -lba; 1681 data.what.position.reladdr.addr[0] = lba >> 24; 1682 data.what.position.reladdr.addr[1] = lba >> 16; 1683 data.what.position.reladdr.addr[2] = lba >> 8; 1684 data.what.position.reladdr.addr[3] = lba; 1685 lba = msf2hsg(q.current.absolute_pos, 0); 1686 data.what.position.absaddr.addr[0] = lba >> 24; 1687 data.what.position.absaddr.addr[1] = lba >> 16; 1688 data.what.position.absaddr.addr[2] = lba >> 8; 1689 data.what.position.absaddr.addr[3] = lba; 1690 break; 1691 } 1692 break; 1693 } 1694 1695 return copyout(&data, ch->data, len); 1696 } 1697 1698 int 1699 mcd_playtracks(sc, p) 1700 struct mcd_softc *sc; 1701 struct ioc_play_track *p; 1702 { 1703 struct mcd_mbox mbx; 1704 int a = p->start_track; 1705 int z = p->end_track; 1706 int error; 1707 1708 if (sc->debug) 1709 printf("%s: playtracks: from %d:%d to %d:%d\n", 1710 sc->sc_dev.dv_xname, 1711 a, p->start_index, z, p->end_index); 1712 1713 if (a < bcd2bin(sc->volinfo.trk_low) || 1714 a > bcd2bin(sc->volinfo.trk_high) || 1715 a > z || 1716 z < bcd2bin(sc->volinfo.trk_low) || 1717 z > bcd2bin(sc->volinfo.trk_high)) 1718 return EINVAL; 1719 1720 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1721 return error; 1722 1723 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1724 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1725 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1726 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1727 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1728 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1729 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1730 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1731 sc->lastpb = mbx.cmd; 1732 mbx.res.length = 0; 1733 return mcd_send(sc, &mbx, 1); 1734 } 1735 1736 int 1737 mcd_playmsf(sc, p) 1738 struct mcd_softc *sc; 1739 struct ioc_play_msf *p; 1740 { 1741 struct mcd_mbox mbx; 1742 int error; 1743 1744 if (sc->debug) 1745 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1746 sc->sc_dev.dv_xname, 1747 p->start_m, p->start_s, p->start_f, 1748 p->end_m, p->end_s, p->end_f); 1749 1750 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1751 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1752 return EINVAL; 1753 1754 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1755 return error; 1756 1757 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1758 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1759 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1760 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1761 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1762 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1763 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1764 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1765 sc->lastpb = mbx.cmd; 1766 mbx.res.length = 0; 1767 return mcd_send(sc, &mbx, 1); 1768 } 1769 1770 int 1771 mcd_playblocks(sc, p) 1772 struct mcd_softc *sc; 1773 struct ioc_play_blocks *p; 1774 { 1775 struct mcd_mbox mbx; 1776 int error; 1777 1778 if (sc->debug) 1779 printf("%s: playblocks: blkno %d length %d\n", 1780 sc->sc_dev.dv_xname, p->blk, p->len); 1781 1782 if (p->blk > sc->disksize || p->len > sc->disksize || 1783 (p->blk + p->len) > sc->disksize) 1784 return 0; 1785 1786 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1787 return error; 1788 1789 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1790 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1791 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1792 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1793 sc->lastpb = mbx.cmd; 1794 mbx.res.length = 0; 1795 return mcd_send(sc, &mbx, 1); 1796 } 1797 1798 int 1799 mcd_pause(sc) 1800 struct mcd_softc *sc; 1801 { 1802 union mcd_qchninfo q; 1803 int error; 1804 1805 /* Verify current status. */ 1806 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1807 printf("%s: pause: attempted when not playing\n", 1808 sc->sc_dev.dv_xname); 1809 return EINVAL; 1810 } 1811 1812 /* Get the current position. */ 1813 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1814 return error; 1815 1816 /* Copy it into lastpb. */ 1817 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1818 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1819 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1820 1821 /* Stop playing. */ 1822 if ((error = mcd_stop(sc)) != 0) 1823 return error; 1824 1825 /* Set the proper status and exit. */ 1826 sc->audio_status = CD_AS_PLAY_PAUSED; 1827 return 0; 1828 } 1829 1830 int 1831 mcd_resume(sc) 1832 struct mcd_softc *sc; 1833 { 1834 struct mcd_mbox mbx; 1835 int error; 1836 1837 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1838 return EINVAL; 1839 1840 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1841 return error; 1842 1843 mbx.cmd = sc->lastpb; 1844 mbx.res.length = 0; 1845 return mcd_send(sc, &mbx, 1); 1846 } 1847 1848 int 1849 mcd_eject(sc) 1850 struct mcd_softc *sc; 1851 { 1852 struct mcd_mbox mbx; 1853 1854 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1855 mbx.cmd.length = 0; 1856 mbx.res.length = 0; 1857 return mcd_send(sc, &mbx, 0); 1858 } 1859 1860 int 1861 mcd_setlock(sc, mode) 1862 struct mcd_softc *sc; 1863 int mode; 1864 { 1865 struct mcd_mbox mbx; 1866 1867 mbx.cmd.opcode = MCD_CMDSETLOCK; 1868 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1869 mbx.cmd.data.lockmode.mode = mode; 1870 mbx.res.length = 0; 1871 return mcd_send(sc, &mbx, 1); 1872 } 1873
Indexes created Tue Sep 30 11:09:46 GMT 2025