mcd.c revision 1.62
1 /* $NetBSD: mcd.c,v 1.62 1998/06/23 03:26:19 jonathan 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/kernel.h> 62 #include <sys/proc.h> 63 #include <sys/conf.h> 64 #include <sys/file.h> 65 #include <sys/buf.h> 66 #include <sys/stat.h> 67 #include <sys/uio.h> 68 #include <sys/ioctl.h> 69 #include <sys/cdio.h> 70 #include <sys/errno.h> 71 #include <sys/disklabel.h> 72 #include <sys/device.h> 73 #include <sys/disk.h> 74 75 #include <machine/cpu.h> 76 #include <machine/intr.h> 77 #include <machine/bus.h> 78 79 #include <dev/isa/isavar.h> 80 #include <dev/isa/mcdreg.h> 81 82 #ifndef MCDDEBUG 83 #define MCD_TRACE(fmt,a,b,c,d) 84 #else 85 #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);}} 86 #endif 87 88 #define MCDPART(dev) DISKPART(dev) 89 #define MCDUNIT(dev) DISKUNIT(dev) 90 91 /* toc */ 92 #define MCD_MAXTOCS 104 /* from the Linux driver */ 93 94 /* control promiscuous match */ 95 #include "opt_mcd_promisc.h" 96 97 #ifdef MCD_PROMISC 98 int mcd_promisc = 1; 99 #else 100 int mcd_promisc = 0; 101 #endif 102 103 struct mcd_mbx { 104 int retry, count; 105 struct buf *bp; 106 daddr_t blkno; 107 int nblk; 108 int sz; 109 u_long skip; 110 int state; 111 #define MCD_S_IDLE 0 112 #define MCD_S_BEGIN 1 113 #define MCD_S_WAITMODE 2 114 #define MCD_S_WAITREAD 3 115 int mode; 116 }; 117 118 struct mcd_softc { 119 struct device sc_dev; 120 struct disk sc_dk; 121 void *sc_ih; 122 123 bus_space_tag_t sc_iot; 124 bus_space_handle_t sc_ioh; 125 126 int irq, drq; 127 128 char *type; 129 int flags; 130 #define MCDF_LOCKED 0x01 131 #define MCDF_WANTED 0x02 132 #define MCDF_WLABEL 0x04 /* label is writable */ 133 #define MCDF_LABELLING 0x08 /* writing label */ 134 #define MCDF_LOADED 0x10 /* parameters loaded */ 135 short status; 136 short audio_status; 137 int blksize; 138 u_long disksize; 139 struct mcd_volinfo volinfo; 140 union mcd_qchninfo toc[MCD_MAXTOCS]; 141 struct mcd_command lastpb; 142 struct mcd_mbx mbx; 143 int lastmode; 144 #define MCD_MD_UNKNOWN -1 145 int lastupc; 146 #define MCD_UPC_UNKNOWN -1 147 struct buf buf_queue; 148 u_char readcmd; 149 u_char debug; 150 u_char probe; 151 }; 152 153 /* prototypes */ 154 /* XXX does not belong here */ 155 cdev_decl(mcd); 156 bdev_decl(mcd); 157 158 static int bcd2bin __P((bcd_t)); 159 static bcd_t bin2bcd __P((int)); 160 static void hsg2msf __P((int, bcd_t *)); 161 static daddr_t msf2hsg __P((bcd_t *, int)); 162 163 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 164 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 165 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 166 int mcd_stop __P((struct mcd_softc *)); 167 int mcd_eject __P((struct mcd_softc *)); 168 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 169 int mcd_pause __P((struct mcd_softc *)); 170 int mcd_resume __P((struct mcd_softc *)); 171 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 172 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 173 174 int mcd_getreply __P((struct mcd_softc *)); 175 int mcd_getstat __P((struct mcd_softc *)); 176 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 177 void mcd_setflags __P((struct mcd_softc *)); 178 int mcd_get __P((struct mcd_softc *, char *, int)); 179 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 180 int mcdintr __P((void *)); 181 void mcd_soft_reset __P((struct mcd_softc *)); 182 int mcd_hard_reset __P((struct mcd_softc *)); 183 int mcd_setmode __P((struct mcd_softc *, int)); 184 int mcd_setupc __P((struct mcd_softc *, int)); 185 int mcd_read_toc __P((struct mcd_softc *)); 186 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 187 int mcd_setlock __P((struct mcd_softc *, int)); 188 189 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 190 int mcdprobe __P((struct device *, struct cfdata *, void *)); 191 void mcdattach __P((struct device *, struct device *, void *)); 192 193 struct cfattach mcd_ca = { 194 sizeof(struct mcd_softc), mcdprobe, mcdattach 195 }; 196 197 extern struct cfdriver mcd_cd; 198 199 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 200 void mcdgetdisklabel __P((struct mcd_softc *)); 201 int mcd_get_parms __P((struct mcd_softc *)); 202 void mcdstrategy __P((struct buf *)); 203 void mcdstart __P((struct mcd_softc *)); 204 int mcdlock __P((struct mcd_softc *)); 205 void mcdunlock __P((struct mcd_softc *)); 206 void mcd_pseudointr __P((void *)); 207 208 struct dkdriver mcddkdriver = { mcdstrategy }; 209 210 #define MCD_RETRIES 3 211 #define MCD_RDRETRIES 3 212 213 /* several delays */ 214 #define RDELAY_WAITMODE 300 215 #define RDELAY_WAITREAD 800 216 217 #define DELAY_GRANULARITY 25 /* 25us */ 218 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 219 220 void 221 mcdattach(parent, self, aux) 222 struct device *parent, *self; 223 void *aux; 224 { 225 struct mcd_softc *sc = (void *)self; 226 struct isa_attach_args *ia = aux; 227 bus_space_tag_t iot = ia->ia_iot; 228 bus_space_handle_t ioh; 229 struct mcd_mbox mbx; 230 231 /* Map i/o space */ 232 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 233 printf(": can't map i/o space\n"); 234 return; 235 } 236 237 sc->sc_iot = iot; 238 sc->sc_ioh = ioh; 239 240 sc->probe = 0; 241 sc->debug = 0; 242 243 if (!mcd_find(iot, ioh, sc)) { 244 printf(": mcd_find failed\n"); 245 return; 246 } 247 248 /* 249 * Initialize and attach the disk structure. 250 */ 251 sc->sc_dk.dk_driver = &mcddkdriver; 252 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 253 disk_attach(&sc->sc_dk); 254 255 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 256 257 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 258 259 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 260 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 261 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 262 mbx.cmd.data.config.data1 = 0x01; 263 mbx.res.length = 0; 264 (void) mcd_send(sc, &mbx, 0); 265 266 mcd_soft_reset(sc); 267 268 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 269 IPL_BIO, mcdintr, sc); 270 } 271 272 /* 273 * Wait interruptibly for an exclusive lock. 274 * 275 * XXX 276 * Several drivers do this; it should be abstracted and made MP-safe. 277 */ 278 int 279 mcdlock(sc) 280 struct mcd_softc *sc; 281 { 282 int error; 283 284 while ((sc->flags & MCDF_LOCKED) != 0) { 285 sc->flags |= MCDF_WANTED; 286 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 287 return error; 288 } 289 sc->flags |= MCDF_LOCKED; 290 return 0; 291 } 292 293 /* 294 * Unlock and wake up any waiters. 295 */ 296 void 297 mcdunlock(sc) 298 struct mcd_softc *sc; 299 { 300 301 sc->flags &= ~MCDF_LOCKED; 302 if ((sc->flags & MCDF_WANTED) != 0) { 303 sc->flags &= ~MCDF_WANTED; 304 wakeup(sc); 305 } 306 } 307 308 int 309 mcdopen(dev, flag, fmt, p) 310 dev_t dev; 311 int flag, fmt; 312 struct proc *p; 313 { 314 int error; 315 int unit, part; 316 struct mcd_softc *sc; 317 318 unit = MCDUNIT(dev); 319 if (unit >= mcd_cd.cd_ndevs) 320 return ENXIO; 321 sc = mcd_cd.cd_devs[unit]; 322 if (!sc) 323 return ENXIO; 324 325 if ((error = mcdlock(sc)) != 0) 326 return error; 327 328 if (sc->sc_dk.dk_openmask != 0) { 329 /* 330 * If any partition is open, but the disk has been invalidated, 331 * disallow further opens. 332 */ 333 if ((sc->flags & MCDF_LOADED) == 0) { 334 error = EIO; 335 goto bad3; 336 } 337 } else { 338 /* 339 * Lock the drawer. This will also notice any pending disk 340 * change or door open indicator and clear the MCDF_LOADED bit 341 * if necessary. 342 */ 343 (void) mcd_setlock(sc, MCD_LK_LOCK); 344 345 if ((sc->flags & MCDF_LOADED) == 0) { 346 /* Partially reset the state. */ 347 sc->lastmode = MCD_MD_UNKNOWN; 348 sc->lastupc = MCD_UPC_UNKNOWN; 349 350 sc->flags |= MCDF_LOADED; 351 352 /* Set the mode, causing the disk to spin up. */ 353 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 354 goto bad2; 355 356 /* Load the physical device parameters. */ 357 if (mcd_get_parms(sc) != 0) { 358 error = ENXIO; 359 goto bad2; 360 } 361 362 /* Read the table of contents. */ 363 if ((error = mcd_read_toc(sc)) != 0) 364 goto bad2; 365 366 /* Fabricate a disk label. */ 367 mcdgetdisklabel(sc); 368 } 369 } 370 371 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 372 sc->disksize, sc->blksize, 0); 373 374 part = MCDPART(dev); 375 376 /* Check that the partition exists. */ 377 if (part != RAW_PART && 378 (part >= sc->sc_dk.dk_label->d_npartitions || 379 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 380 error = ENXIO; 381 goto bad; 382 } 383 384 /* Insure only one open at a time. */ 385 switch (fmt) { 386 case S_IFCHR: 387 sc->sc_dk.dk_copenmask |= (1 << part); 388 break; 389 case S_IFBLK: 390 sc->sc_dk.dk_bopenmask |= (1 << part); 391 break; 392 } 393 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 394 395 mcdunlock(sc); 396 return 0; 397 398 bad2: 399 sc->flags &= ~MCDF_LOADED; 400 401 bad: 402 if (sc->sc_dk.dk_openmask == 0) { 403 #if 0 404 (void) mcd_setmode(sc, MCD_MD_SLEEP); 405 #endif 406 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 407 } 408 409 bad3: 410 mcdunlock(sc); 411 return error; 412 } 413 414 int 415 mcdclose(dev, flag, fmt, p) 416 dev_t dev; 417 int flag, fmt; 418 struct proc *p; 419 { 420 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 421 int part = MCDPART(dev); 422 int error; 423 424 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 425 426 if ((error = mcdlock(sc)) != 0) 427 return error; 428 429 switch (fmt) { 430 case S_IFCHR: 431 sc->sc_dk.dk_copenmask &= ~(1 << part); 432 break; 433 case S_IFBLK: 434 sc->sc_dk.dk_bopenmask &= ~(1 << part); 435 break; 436 } 437 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 438 439 if (sc->sc_dk.dk_openmask == 0) { 440 /* XXXX Must wait for I/O to complete! */ 441 442 #if 0 443 (void) mcd_setmode(sc, MCD_MD_SLEEP); 444 #endif 445 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 446 } 447 448 mcdunlock(sc); 449 return 0; 450 } 451 452 void 453 mcdstrategy(bp) 454 struct buf *bp; 455 { 456 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 457 int s; 458 459 /* Test validity. */ 460 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 461 bp->b_blkno, bp->b_bcount, 0); 462 if (bp->b_blkno < 0 || 463 (bp->b_bcount % sc->blksize) != 0) { 464 printf("%s: strategy: blkno = %d bcount = %ld\n", 465 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 466 bp->b_error = EINVAL; 467 goto bad; 468 } 469 470 /* If device invalidated (e.g. media change, door open), error. */ 471 if ((sc->flags & MCDF_LOADED) == 0) { 472 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 473 bp->b_error = EIO; 474 goto bad; 475 } 476 477 /* No data to read. */ 478 if (bp->b_bcount == 0) 479 goto done; 480 481 /* 482 * Do bounds checking, adjust transfer. if error, process. 483 * If end of partition, just return. 484 */ 485 if (MCDPART(bp->b_dev) != RAW_PART && 486 bounds_check_with_label(bp, sc->sc_dk.dk_label, 487 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 488 goto done; 489 490 /* Queue it. */ 491 s = splbio(); 492 disksort(&sc->buf_queue, bp); 493 splx(s); 494 if (!sc->buf_queue.b_active) 495 mcdstart(sc); 496 return; 497 498 bad: 499 bp->b_flags |= B_ERROR; 500 done: 501 bp->b_resid = bp->b_bcount; 502 biodone(bp); 503 } 504 505 void 506 mcdstart(sc) 507 struct mcd_softc *sc; 508 { 509 struct buf *bp, *dp = &sc->buf_queue; 510 int s; 511 512 loop: 513 s = splbio(); 514 515 bp = dp->b_actf; 516 if (bp == NULL) { 517 /* Nothing to do. */ 518 dp->b_active = 0; 519 splx(s); 520 return; 521 } 522 523 /* Block found to process; dequeue. */ 524 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 525 dp->b_actf = bp->b_actf; 526 splx(s); 527 528 /* Changed media? */ 529 if ((sc->flags & MCDF_LOADED) == 0) { 530 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 531 bp->b_error = EIO; 532 bp->b_flags |= B_ERROR; 533 biodone(bp); 534 goto loop; 535 } 536 537 dp->b_active = 1; 538 539 /* Instrumentation. */ 540 s = splbio(); 541 disk_busy(&sc->sc_dk); 542 splx(s); 543 544 sc->mbx.retry = MCD_RDRETRIES; 545 sc->mbx.bp = bp; 546 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 547 if (MCDPART(bp->b_dev) != RAW_PART) { 548 struct partition *p; 549 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 550 sc->mbx.blkno += p->p_offset; 551 } 552 sc->mbx.nblk = bp->b_bcount / sc->blksize; 553 sc->mbx.sz = sc->blksize; 554 sc->mbx.skip = 0; 555 sc->mbx.state = MCD_S_BEGIN; 556 sc->mbx.mode = MCD_MD_COOKED; 557 558 s = splbio(); 559 (void) mcdintr(sc); 560 splx(s); 561 } 562 563 int 564 mcdread(dev, uio, flags) 565 dev_t dev; 566 struct uio *uio; 567 int flags; 568 { 569 570 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 571 } 572 573 int 574 mcdwrite(dev, uio, flags) 575 dev_t dev; 576 struct uio *uio; 577 int flags; 578 { 579 580 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 581 } 582 583 int 584 mcdioctl(dev, cmd, addr, flag, p) 585 dev_t dev; 586 u_long cmd; 587 caddr_t addr; 588 int flag; 589 struct proc *p; 590 { 591 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 592 int error; 593 594 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 595 596 if ((sc->flags & MCDF_LOADED) == 0) 597 return EIO; 598 599 switch (cmd) { 600 case DIOCGDINFO: 601 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 602 return 0; 603 604 case DIOCGPART: 605 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 606 ((struct partinfo *)addr)->part = 607 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 608 return 0; 609 610 case DIOCWDINFO: 611 case DIOCSDINFO: 612 if ((flag & FWRITE) == 0) 613 return EBADF; 614 615 if ((error = mcdlock(sc)) != 0) 616 return error; 617 sc->flags |= MCDF_LABELLING; 618 619 error = setdisklabel(sc->sc_dk.dk_label, 620 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 621 sc->sc_dk.dk_cpulabel); 622 if (error == 0) { 623 } 624 625 sc->flags &= ~MCDF_LABELLING; 626 mcdunlock(sc); 627 return error; 628 629 case DIOCWLABEL: 630 return EBADF; 631 632 case DIOCGDEFLABEL: 633 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 634 return 0; 635 636 case CDIOCPLAYTRACKS: 637 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 638 case CDIOCPLAYMSF: 639 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 640 case CDIOCPLAYBLOCKS: 641 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 642 case CDIOCREADSUBCHANNEL: 643 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 644 case CDIOREADTOCHEADER: 645 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 646 case CDIOREADTOCENTRYS: 647 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 648 case CDIOCSETPATCH: 649 case CDIOCGETVOL: 650 case CDIOCSETVOL: 651 case CDIOCSETMONO: 652 case CDIOCSETSTEREO: 653 case CDIOCSETMUTE: 654 case CDIOCSETLEFT: 655 case CDIOCSETRIGHT: 656 return EINVAL; 657 case CDIOCRESUME: 658 return mcd_resume(sc); 659 case CDIOCPAUSE: 660 return mcd_pause(sc); 661 case CDIOCSTART: 662 return EINVAL; 663 case CDIOCSTOP: 664 return mcd_stop(sc); 665 case CDIOCEJECT: /* FALLTHROUGH */ 666 case DIOCEJECT: 667 return mcd_eject(sc); 668 case CDIOCALLOW: 669 return mcd_setlock(sc, MCD_LK_UNLOCK); 670 case CDIOCPREVENT: 671 return mcd_setlock(sc, MCD_LK_LOCK); 672 case DIOCLOCK: 673 return mcd_setlock(sc, 674 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 675 case CDIOCSETDEBUG: 676 sc->debug = 1; 677 return 0; 678 case CDIOCCLRDEBUG: 679 sc->debug = 0; 680 return 0; 681 case CDIOCRESET: 682 return mcd_hard_reset(sc); 683 684 default: 685 return ENOTTY; 686 } 687 688 #ifdef DIAGNOSTIC 689 panic("mcdioctl: impossible"); 690 #endif 691 } 692 693 void 694 mcdgetdefaultlabel(sc, lp) 695 struct mcd_softc *sc; 696 struct disklabel *lp; 697 { 698 699 bzero(lp, sizeof(struct disklabel)); 700 701 lp->d_secsize = sc->blksize; 702 lp->d_ntracks = 1; 703 lp->d_nsectors = 100; 704 lp->d_ncylinders = (sc->disksize / 100) + 1; 705 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 706 707 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 708 lp->d_type = 0; /* XXX */ 709 strncpy(lp->d_packname, "fictitious", 16); 710 lp->d_secperunit = sc->disksize; 711 lp->d_rpm = 300; 712 lp->d_interleave = 1; 713 lp->d_flags = D_REMOVABLE; 714 715 lp->d_partitions[0].p_offset = 0; 716 lp->d_partitions[0].p_size = 717 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 718 lp->d_partitions[0].p_fstype = FS_ISO9660; 719 lp->d_partitions[RAW_PART].p_offset = 0; 720 lp->d_partitions[RAW_PART].p_size = 721 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 722 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 723 lp->d_npartitions = RAW_PART + 1; 724 725 lp->d_magic = DISKMAGIC; 726 lp->d_magic2 = DISKMAGIC; 727 lp->d_checksum = dkcksum(lp); 728 } 729 730 /* 731 * This could have been taken from scsi/cd.c, but it is not clear 732 * whether the scsi cd driver is linked in. 733 */ 734 void 735 mcdgetdisklabel(sc) 736 struct mcd_softc *sc; 737 { 738 struct disklabel *lp = sc->sc_dk.dk_label; 739 740 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 741 742 mcdgetdefaultlabel(sc, lp); 743 } 744 745 int 746 mcd_get_parms(sc) 747 struct mcd_softc *sc; 748 { 749 struct mcd_mbox mbx; 750 daddr_t size; 751 int error; 752 753 /* Send volume info command. */ 754 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 755 mbx.cmd.length = 0; 756 mbx.res.length = sizeof(mbx.res.data.volinfo); 757 if ((error = mcd_send(sc, &mbx, 1)) != 0) 758 return error; 759 760 if (mbx.res.data.volinfo.trk_low == 0x00 && 761 mbx.res.data.volinfo.trk_high == 0x00) 762 return EINVAL; 763 764 /* Volinfo is OK. */ 765 sc->volinfo = mbx.res.data.volinfo; 766 sc->blksize = MCD_BLKSIZE_COOKED; 767 size = msf2hsg(sc->volinfo.vol_msf, 0); 768 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 769 return 0; 770 } 771 772 int 773 mcdsize(dev) 774 dev_t dev; 775 { 776 777 /* CD-ROMs are read-only. */ 778 return -1; 779 } 780 781 int 782 mcddump(dev, blkno, va, size) 783 dev_t dev; 784 daddr_t blkno; 785 caddr_t va; 786 size_t size; 787 { 788 789 /* Not implemented. */ 790 return ENXIO; 791 } 792 793 /* 794 * Find the board and fill in the softc. 795 */ 796 int 797 mcd_find(iot, ioh, sc) 798 bus_space_tag_t iot; 799 bus_space_handle_t ioh; 800 struct mcd_softc *sc; 801 { 802 int i; 803 struct mcd_mbox mbx; 804 805 sc->sc_iot = iot; 806 sc->sc_ioh = ioh; 807 808 /* Send a reset. */ 809 bus_space_write_1(iot, ioh, MCD_RESET, 0); 810 delay(1000000); 811 /* Get any pending status and throw away. */ 812 for (i = 10; i; i--) 813 bus_space_read_1(iot, ioh, MCD_STATUS); 814 delay(1000); 815 816 /* Send get status command. */ 817 mbx.cmd.opcode = MCD_CMDGETSTAT; 818 mbx.cmd.length = 0; 819 mbx.res.length = 0; 820 if (mcd_send(sc, &mbx, 0) != 0) 821 return 0; 822 823 /* Get info about the drive. */ 824 mbx.cmd.opcode = MCD_CMDCONTINFO; 825 mbx.cmd.length = 0; 826 mbx.res.length = sizeof(mbx.res.data.continfo); 827 if (mcd_send(sc, &mbx, 0) != 0) 828 return 0; 829 830 /* 831 * The following is code which is not guaranteed to work for all 832 * drives, because the meaning of the expected 'M' is not clear 833 * (M_itsumi is an obvious assumption, but I don't trust that). 834 * Also, the original hack had a bogus condition that always 835 * returned true. 836 * 837 * Note: Which models support interrupts? >=LU005S? 838 */ 839 sc->readcmd = MCD_CMDREADSINGLESPEED; 840 switch (mbx.res.data.continfo.code) { 841 case 'M': 842 if (mbx.res.data.continfo.version <= 2) 843 sc->type = "LU002S"; 844 else if (mbx.res.data.continfo.version <= 5) 845 sc->type = "LU005S"; 846 else 847 sc->type = "LU006S"; 848 break; 849 case 'F': 850 sc->type = "FX001"; 851 break; 852 case 'D': 853 sc->type = "FX001D"; 854 sc->readcmd = MCD_CMDREADDOUBLESPEED; 855 break; 856 default: 857 /* 858 * mcd_send() says the response looked OK but the 859 * drive type is unknown. If mcd_promisc, match anyway. 860 */ 861 if (mcd_promisc != 0) 862 return 0; 863 864 #ifdef MCDDEBUG 865 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 866 sc->sc_dev.dv_xname, 867 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 868 #endif 869 sc->type = 0; 870 break; 871 } 872 873 return 1; 874 875 } 876 877 int 878 mcdprobe(parent, match, aux) 879 struct device *parent; 880 struct cfdata *match; 881 void *aux; 882 { 883 struct isa_attach_args *ia = aux; 884 struct mcd_softc sc; 885 bus_space_tag_t iot = ia->ia_iot; 886 bus_space_handle_t ioh; 887 int rv; 888 889 /* Disallow wildcarded i/o address. */ 890 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 891 return (0); 892 893 /* Map i/o space */ 894 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 895 return 0; 896 897 sc.debug = 0; 898 sc.probe = 1; 899 900 rv = mcd_find(iot, ioh, &sc); 901 902 bus_space_unmap(iot, ioh, MCD_NPORT); 903 904 if (rv) { 905 ia->ia_iosize = MCD_NPORT; 906 ia->ia_msize = 0; 907 } 908 909 return (rv); 910 } 911 912 int 913 mcd_getreply(sc) 914 struct mcd_softc *sc; 915 { 916 bus_space_tag_t iot = sc->sc_iot; 917 bus_space_handle_t ioh = sc->sc_ioh; 918 int i; 919 920 /* Wait until xfer port senses data ready. */ 921 for (i = DELAY_GETREPLY; i; i--) { 922 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 923 MCD_XF_STATUSUNAVAIL) == 0) 924 break; 925 delay(DELAY_GRANULARITY); 926 } 927 if (!i) 928 return -1; 929 930 /* Get the data. */ 931 return bus_space_read_1(iot, ioh, MCD_STATUS); 932 } 933 934 int 935 mcd_getstat(sc) 936 struct mcd_softc *sc; 937 { 938 struct mcd_mbox mbx; 939 940 mbx.cmd.opcode = MCD_CMDGETSTAT; 941 mbx.cmd.length = 0; 942 mbx.res.length = 0; 943 return mcd_send(sc, &mbx, 1); 944 } 945 946 int 947 mcd_getresult(sc, res) 948 struct mcd_softc *sc; 949 struct mcd_result *res; 950 { 951 int i, x; 952 953 if (sc->debug) 954 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 955 res->length); 956 957 if ((x = mcd_getreply(sc)) < 0) { 958 if (sc->debug) 959 printf(" timeout\n"); 960 else if (!sc->probe) 961 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 962 return EIO; 963 } 964 if (sc->debug) 965 printf(" %02x", (u_int)x); 966 sc->status = x; 967 mcd_setflags(sc); 968 969 if ((sc->status & MCD_ST_CMDCHECK) != 0) 970 return EINVAL; 971 972 for (i = 0; i < res->length; i++) { 973 if ((x = mcd_getreply(sc)) < 0) { 974 if (sc->debug) 975 printf(" timeout\n"); 976 else 977 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 978 return EIO; 979 } 980 if (sc->debug) 981 printf(" %02x", (u_int)x); 982 res->data.raw.data[i] = x; 983 } 984 985 if (sc->debug) 986 printf(" succeeded\n"); 987 988 #ifdef MCDDEBUG 989 delay(10); 990 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 991 MCD_XF_STATUSUNAVAIL) == 0) { 992 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 993 printf("%s: got extra byte %02x during getstatus\n", 994 sc->sc_dev.dv_xname, (u_int)x); 995 delay(10); 996 } 997 #endif 998 999 return 0; 1000 } 1001 1002 void 1003 mcd_setflags(sc) 1004 struct mcd_softc *sc; 1005 { 1006 1007 /* Check flags. */ 1008 if ((sc->flags & MCDF_LOADED) != 0 && 1009 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1010 MCD_ST_DSKIN) { 1011 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1012 printf("%s: door open\n", sc->sc_dev.dv_xname); 1013 else if ((sc->status & MCD_ST_DSKIN) == 0) 1014 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1015 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1016 printf("%s: media change\n", sc->sc_dev.dv_xname); 1017 sc->flags &= ~MCDF_LOADED; 1018 } 1019 1020 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1021 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1022 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1023 sc->audio_status == CD_AS_AUDIO_INVALID) 1024 sc->audio_status = CD_AS_PLAY_COMPLETED; 1025 } 1026 1027 int 1028 mcd_send(sc, mbx, diskin) 1029 struct mcd_softc *sc; 1030 struct mcd_mbox *mbx; 1031 int diskin; 1032 { 1033 int retry, i, error; 1034 bus_space_tag_t iot = sc->sc_iot; 1035 bus_space_handle_t ioh = sc->sc_ioh; 1036 1037 if (sc->debug) { 1038 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1039 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1040 for (i = 0; i < mbx->cmd.length; i++) 1041 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1042 printf("\n"); 1043 } 1044 1045 for (retry = MCD_RETRIES; retry; retry--) { 1046 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1047 for (i = 0; i < mbx->cmd.length; i++) 1048 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1049 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1050 break; 1051 if (error == EINVAL) 1052 return error; 1053 } 1054 if (!retry) 1055 return error; 1056 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1057 return EIO; 1058 1059 return 0; 1060 } 1061 1062 static int 1063 bcd2bin(b) 1064 bcd_t b; 1065 { 1066 1067 return (b >> 4) * 10 + (b & 15); 1068 } 1069 1070 static bcd_t 1071 bin2bcd(b) 1072 int b; 1073 { 1074 1075 return ((b / 10) << 4) | (b % 10); 1076 } 1077 1078 static void 1079 hsg2msf(hsg, msf) 1080 int hsg; 1081 bcd_t *msf; 1082 { 1083 1084 hsg += 150; 1085 F_msf(msf) = bin2bcd(hsg % 75); 1086 hsg /= 75; 1087 S_msf(msf) = bin2bcd(hsg % 60); 1088 hsg /= 60; 1089 M_msf(msf) = bin2bcd(hsg); 1090 } 1091 1092 static daddr_t 1093 msf2hsg(msf, relative) 1094 bcd_t *msf; 1095 int relative; 1096 { 1097 daddr_t blkno; 1098 1099 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1100 bcd2bin(S_msf(msf)) * 75 + 1101 bcd2bin(F_msf(msf)); 1102 if (!relative) 1103 blkno -= 150; 1104 return blkno; 1105 } 1106 1107 void 1108 mcd_pseudointr(v) 1109 void *v; 1110 { 1111 struct mcd_softc *sc = v; 1112 int s; 1113 1114 s = splbio(); 1115 (void) mcdintr(sc); 1116 splx(s); 1117 } 1118 1119 /* 1120 * State machine to process read requests. 1121 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1122 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1123 * MCD_S_WAITREAD: wait for read ready, read data. 1124 */ 1125 int 1126 mcdintr(arg) 1127 void *arg; 1128 { 1129 struct mcd_softc *sc = arg; 1130 struct mcd_mbx *mbx = &sc->mbx; 1131 struct buf *bp = mbx->bp; 1132 bus_space_tag_t iot = sc->sc_iot; 1133 bus_space_handle_t ioh = sc->sc_ioh; 1134 1135 int i; 1136 u_char x; 1137 bcd_t msf[3]; 1138 1139 switch (mbx->state) { 1140 case MCD_S_IDLE: 1141 return 0; 1142 1143 case MCD_S_BEGIN: 1144 tryagain: 1145 if (mbx->mode == sc->lastmode) 1146 goto firstblock; 1147 1148 sc->lastmode = MCD_MD_UNKNOWN; 1149 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1150 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1151 1152 mbx->count = RDELAY_WAITMODE; 1153 mbx->state = MCD_S_WAITMODE; 1154 1155 case MCD_S_WAITMODE: 1156 untimeout(mcd_pseudointr, sc); 1157 for (i = 20; i; i--) { 1158 x = bus_space_read_1(iot, ioh, MCD_XFER); 1159 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1160 break; 1161 delay(50); 1162 } 1163 if (i == 0) 1164 goto hold; 1165 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1166 mcd_setflags(sc); 1167 if ((sc->flags & MCDF_LOADED) == 0) 1168 goto changed; 1169 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1170 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1171 1172 sc->lastmode = mbx->mode; 1173 1174 firstblock: 1175 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1176 bp, 0, 0); 1177 1178 /* Build parameter block. */ 1179 hsg2msf(mbx->blkno, msf); 1180 1181 /* Send the read command. */ 1182 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1183 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1184 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1185 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1186 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1187 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1188 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1189 1190 mbx->count = RDELAY_WAITREAD; 1191 mbx->state = MCD_S_WAITREAD; 1192 1193 case MCD_S_WAITREAD: 1194 untimeout(mcd_pseudointr, sc); 1195 nextblock: 1196 loop: 1197 for (i = 20; i; i--) { 1198 x = bus_space_read_1(iot, ioh, MCD_XFER); 1199 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1200 goto gotblock; 1201 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1202 break; 1203 delay(50); 1204 } 1205 if (i == 0) 1206 goto hold; 1207 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1208 mcd_setflags(sc); 1209 if ((sc->flags & MCDF_LOADED) == 0) 1210 goto changed; 1211 #if 0 1212 printf("%s: got status byte %02x during read\n", 1213 sc->sc_dev.dv_xname, (u_int)sc->status); 1214 #endif 1215 goto loop; 1216 1217 gotblock: 1218 MCD_TRACE("doread: got data delay=%d\n", 1219 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1220 1221 /* Data is ready. */ 1222 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1223 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1224 bp->b_data + mbx->skip, mbx->sz); 1225 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1226 mbx->blkno += 1; 1227 mbx->skip += mbx->sz; 1228 if (--mbx->nblk > 0) 1229 goto nextblock; 1230 1231 mbx->state = MCD_S_IDLE; 1232 1233 /* Return buffer. */ 1234 bp->b_resid = 0; 1235 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1236 biodone(bp); 1237 1238 mcdstart(sc); 1239 return 1; 1240 1241 hold: 1242 if (mbx->count-- < 0) { 1243 printf("%s: timeout in state %d", 1244 sc->sc_dev.dv_xname, mbx->state); 1245 goto readerr; 1246 } 1247 1248 #if 0 1249 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1250 mbx->state); 1251 #endif 1252 timeout(mcd_pseudointr, sc, hz / 100); 1253 return -1; 1254 } 1255 1256 readerr: 1257 if (mbx->retry-- > 0) { 1258 printf("; retrying\n"); 1259 goto tryagain; 1260 } else 1261 printf("; giving up\n"); 1262 1263 changed: 1264 /* Invalidate the buffer. */ 1265 bp->b_flags |= B_ERROR; 1266 bp->b_resid = bp->b_bcount - mbx->skip; 1267 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1268 biodone(bp); 1269 1270 mcdstart(sc); 1271 return -1; 1272 1273 #ifdef notyet 1274 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1275 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1276 delay(300000); 1277 (void) mcd_getstat(sc, 1); 1278 (void) mcd_getstat(sc, 1); 1279 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1280 sc->debug = 1; /* preventive set debug mode */ 1281 #endif 1282 } 1283 1284 void 1285 mcd_soft_reset(sc) 1286 struct mcd_softc *sc; 1287 { 1288 1289 sc->debug = 0; 1290 sc->flags = 0; 1291 sc->lastmode = MCD_MD_UNKNOWN; 1292 sc->lastupc = MCD_UPC_UNKNOWN; 1293 sc->audio_status = CD_AS_AUDIO_INVALID; 1294 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1295 } 1296 1297 int 1298 mcd_hard_reset(sc) 1299 struct mcd_softc *sc; 1300 { 1301 struct mcd_mbox mbx; 1302 1303 mcd_soft_reset(sc); 1304 1305 mbx.cmd.opcode = MCD_CMDRESET; 1306 mbx.cmd.length = 0; 1307 mbx.res.length = 0; 1308 return mcd_send(sc, &mbx, 0); 1309 } 1310 1311 int 1312 mcd_setmode(sc, mode) 1313 struct mcd_softc *sc; 1314 int mode; 1315 { 1316 struct mcd_mbox mbx; 1317 int error; 1318 1319 if (sc->lastmode == mode) 1320 return 0; 1321 if (sc->debug) 1322 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1323 sc->lastmode = MCD_MD_UNKNOWN; 1324 1325 mbx.cmd.opcode = MCD_CMDSETMODE; 1326 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1327 mbx.cmd.data.datamode.mode = mode; 1328 mbx.res.length = 0; 1329 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1330 return error; 1331 1332 sc->lastmode = mode; 1333 return 0; 1334 } 1335 1336 int 1337 mcd_setupc(sc, upc) 1338 struct mcd_softc *sc; 1339 int upc; 1340 { 1341 struct mcd_mbox mbx; 1342 int error; 1343 1344 if (sc->lastupc == upc) 1345 return 0; 1346 if (sc->debug) 1347 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1348 sc->lastupc = MCD_UPC_UNKNOWN; 1349 1350 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1351 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1352 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1353 mbx.cmd.data.config.data1 = upc; 1354 mbx.res.length = 0; 1355 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1356 return error; 1357 1358 sc->lastupc = upc; 1359 return 0; 1360 } 1361 1362 int 1363 mcd_toc_header(sc, th) 1364 struct mcd_softc *sc; 1365 struct ioc_toc_header *th; 1366 { 1367 1368 if (sc->debug) 1369 printf("%s: mcd_toc_header: reading toc header\n", 1370 sc->sc_dev.dv_xname); 1371 1372 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1373 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1374 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1375 1376 return 0; 1377 } 1378 1379 int 1380 mcd_read_toc(sc) 1381 struct mcd_softc *sc; 1382 { 1383 struct ioc_toc_header th; 1384 union mcd_qchninfo q; 1385 int error, trk, idx, retry; 1386 1387 if ((error = mcd_toc_header(sc, &th)) != 0) 1388 return error; 1389 1390 if ((error = mcd_stop(sc)) != 0) 1391 return error; 1392 1393 if (sc->debug) 1394 printf("%s: read_toc: reading qchannel info\n", 1395 sc->sc_dev.dv_xname); 1396 1397 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1398 sc->toc[trk].toc.idx_no = 0x00; 1399 trk = th.ending_track - th.starting_track + 1; 1400 for (retry = 300; retry && trk > 0; retry--) { 1401 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1402 break; 1403 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1404 continue; 1405 idx = bcd2bin(q.toc.idx_no); 1406 if (idx < MCD_MAXTOCS && 1407 sc->toc[idx].toc.idx_no == 0x00) { 1408 sc->toc[idx] = q; 1409 trk--; 1410 } 1411 } 1412 1413 /* Inform the drive that we're finished so it turns off the light. */ 1414 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1415 return error; 1416 1417 if (trk != 0) 1418 return EINVAL; 1419 1420 /* Add a fake last+1 for mcd_playtracks(). */ 1421 idx = th.ending_track + 1; 1422 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1423 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1424 sc->toc[idx].toc.trk_no = 0x00; 1425 sc->toc[idx].toc.idx_no = 0xaa; 1426 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1427 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1428 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1429 1430 return 0; 1431 } 1432 1433 int 1434 mcd_toc_entries(sc, te) 1435 struct mcd_softc *sc; 1436 struct ioc_read_toc_entry *te; 1437 { 1438 int len = te->data_len; 1439 struct ret_toc { 1440 struct ioc_toc_header header; 1441 struct cd_toc_entry entries[MCD_MAXTOCS]; 1442 } data; 1443 u_char trk; 1444 daddr_t lba; 1445 int error, n; 1446 1447 if (len > sizeof(data.entries) || 1448 len < sizeof(struct cd_toc_entry)) 1449 return EINVAL; 1450 if (te->address_format != CD_MSF_FORMAT && 1451 te->address_format != CD_LBA_FORMAT) 1452 return EINVAL; 1453 1454 /* Copy the TOC header. */ 1455 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1456 return error; 1457 1458 /* Verify starting track. */ 1459 trk = te->starting_track; 1460 if (trk == 0x00) 1461 trk = data.header.starting_track; 1462 else if (trk == 0xaa) 1463 trk = data.header.ending_track + 1; 1464 else if (trk < data.header.starting_track || 1465 trk > data.header.ending_track + 1) 1466 return EINVAL; 1467 1468 /* Copy the TOC data. */ 1469 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1470 if (sc->toc[trk].toc.idx_no == 0x00) 1471 continue; 1472 data.entries[n].control = sc->toc[trk].toc.control; 1473 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1474 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1475 switch (te->address_format) { 1476 case CD_MSF_FORMAT: 1477 data.entries[n].addr.addr[0] = 0; 1478 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1479 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1480 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1481 break; 1482 case CD_LBA_FORMAT: 1483 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1484 data.entries[n].addr.addr[0] = lba >> 24; 1485 data.entries[n].addr.addr[1] = lba >> 16; 1486 data.entries[n].addr.addr[2] = lba >> 8; 1487 data.entries[n].addr.addr[3] = lba; 1488 break; 1489 } 1490 n++; 1491 } 1492 1493 len = min(len, n * sizeof(struct cd_toc_entry)); 1494 1495 /* Copy the data back. */ 1496 return copyout(&data.entries[0], te->data, len); 1497 } 1498 1499 int 1500 mcd_stop(sc) 1501 struct mcd_softc *sc; 1502 { 1503 struct mcd_mbox mbx; 1504 int error; 1505 1506 if (sc->debug) 1507 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1508 1509 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1510 mbx.cmd.length = 0; 1511 mbx.res.length = 0; 1512 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1513 return error; 1514 1515 sc->audio_status = CD_AS_PLAY_COMPLETED; 1516 return 0; 1517 } 1518 1519 int 1520 mcd_getqchan(sc, q, qchn) 1521 struct mcd_softc *sc; 1522 union mcd_qchninfo *q; 1523 int qchn; 1524 { 1525 struct mcd_mbox mbx; 1526 int error; 1527 1528 if (qchn == CD_TRACK_INFO) { 1529 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1530 return error; 1531 } else { 1532 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1533 return error; 1534 } 1535 if (qchn == CD_MEDIA_CATALOG) { 1536 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1537 return error; 1538 } else { 1539 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1540 return error; 1541 } 1542 1543 mbx.cmd.opcode = MCD_CMDGETQCHN; 1544 mbx.cmd.length = 0; 1545 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1546 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1547 return error; 1548 1549 *q = mbx.res.data.qchninfo; 1550 return 0; 1551 } 1552 1553 int 1554 mcd_read_subchannel(sc, ch) 1555 struct mcd_softc *sc; 1556 struct ioc_read_subchannel *ch; 1557 { 1558 int len = ch->data_len; 1559 union mcd_qchninfo q; 1560 struct cd_sub_channel_info data; 1561 daddr_t lba; 1562 int error; 1563 1564 if (sc->debug) 1565 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1566 ch->address_format, ch->data_format); 1567 1568 if (len > sizeof(data) || 1569 len < sizeof(struct cd_sub_channel_header)) 1570 return EINVAL; 1571 if (ch->address_format != CD_MSF_FORMAT && 1572 ch->address_format != CD_LBA_FORMAT) 1573 return EINVAL; 1574 if (ch->data_format != CD_CURRENT_POSITION && 1575 ch->data_format != CD_MEDIA_CATALOG) 1576 return EINVAL; 1577 1578 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1579 return error; 1580 1581 data.header.audio_status = sc->audio_status; 1582 data.what.media_catalog.data_format = ch->data_format; 1583 1584 switch (ch->data_format) { 1585 case CD_MEDIA_CATALOG: 1586 data.what.media_catalog.mc_valid = 1; 1587 #if 0 1588 data.what.media_catalog.mc_number = 1589 #endif 1590 break; 1591 1592 case CD_CURRENT_POSITION: 1593 data.what.position.track_number = bcd2bin(q.current.trk_no); 1594 data.what.position.index_number = bcd2bin(q.current.idx_no); 1595 switch (ch->address_format) { 1596 case CD_MSF_FORMAT: 1597 data.what.position.reladdr.addr[0] = 0; 1598 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1599 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1600 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1601 data.what.position.absaddr.addr[0] = 0; 1602 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1603 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1604 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1605 break; 1606 case CD_LBA_FORMAT: 1607 lba = msf2hsg(q.current.relative_pos, 1); 1608 /* 1609 * Pre-gap has index number of 0, and decreasing MSF 1610 * address. Must be converted to negative LBA, per 1611 * SCSI spec. 1612 */ 1613 if (data.what.position.index_number == 0x00) 1614 lba = -lba; 1615 data.what.position.reladdr.addr[0] = lba >> 24; 1616 data.what.position.reladdr.addr[1] = lba >> 16; 1617 data.what.position.reladdr.addr[2] = lba >> 8; 1618 data.what.position.reladdr.addr[3] = lba; 1619 lba = msf2hsg(q.current.absolute_pos, 0); 1620 data.what.position.absaddr.addr[0] = lba >> 24; 1621 data.what.position.absaddr.addr[1] = lba >> 16; 1622 data.what.position.absaddr.addr[2] = lba >> 8; 1623 data.what.position.absaddr.addr[3] = lba; 1624 break; 1625 } 1626 break; 1627 } 1628 1629 return copyout(&data, ch->data, len); 1630 } 1631 1632 int 1633 mcd_playtracks(sc, p) 1634 struct mcd_softc *sc; 1635 struct ioc_play_track *p; 1636 { 1637 struct mcd_mbox mbx; 1638 int a = p->start_track; 1639 int z = p->end_track; 1640 int error; 1641 1642 if (sc->debug) 1643 printf("%s: playtracks: from %d:%d to %d:%d\n", 1644 sc->sc_dev.dv_xname, 1645 a, p->start_index, z, p->end_index); 1646 1647 if (a < bcd2bin(sc->volinfo.trk_low) || 1648 a > bcd2bin(sc->volinfo.trk_high) || 1649 a > z || 1650 z < bcd2bin(sc->volinfo.trk_low) || 1651 z > bcd2bin(sc->volinfo.trk_high)) 1652 return EINVAL; 1653 1654 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1655 return error; 1656 1657 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1658 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1659 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1660 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1661 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1662 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1663 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1664 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1665 sc->lastpb = mbx.cmd; 1666 mbx.res.length = 0; 1667 return mcd_send(sc, &mbx, 1); 1668 } 1669 1670 int 1671 mcd_playmsf(sc, p) 1672 struct mcd_softc *sc; 1673 struct ioc_play_msf *p; 1674 { 1675 struct mcd_mbox mbx; 1676 int error; 1677 1678 if (sc->debug) 1679 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1680 sc->sc_dev.dv_xname, 1681 p->start_m, p->start_s, p->start_f, 1682 p->end_m, p->end_s, p->end_f); 1683 1684 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1685 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1686 return EINVAL; 1687 1688 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1689 return error; 1690 1691 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1692 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1693 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1694 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1695 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1696 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1697 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1698 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1699 sc->lastpb = mbx.cmd; 1700 mbx.res.length = 0; 1701 return mcd_send(sc, &mbx, 1); 1702 } 1703 1704 int 1705 mcd_playblocks(sc, p) 1706 struct mcd_softc *sc; 1707 struct ioc_play_blocks *p; 1708 { 1709 struct mcd_mbox mbx; 1710 int error; 1711 1712 if (sc->debug) 1713 printf("%s: playblocks: blkno %d length %d\n", 1714 sc->sc_dev.dv_xname, p->blk, p->len); 1715 1716 if (p->blk > sc->disksize || p->len > sc->disksize || 1717 (p->blk + p->len) > sc->disksize) 1718 return 0; 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 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1726 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1727 sc->lastpb = mbx.cmd; 1728 mbx.res.length = 0; 1729 return mcd_send(sc, &mbx, 1); 1730 } 1731 1732 int 1733 mcd_pause(sc) 1734 struct mcd_softc *sc; 1735 { 1736 union mcd_qchninfo q; 1737 int error; 1738 1739 /* Verify current status. */ 1740 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1741 printf("%s: pause: attempted when not playing\n", 1742 sc->sc_dev.dv_xname); 1743 return EINVAL; 1744 } 1745 1746 /* Get the current position. */ 1747 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1748 return error; 1749 1750 /* Copy it into lastpb. */ 1751 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1752 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1753 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1754 1755 /* Stop playing. */ 1756 if ((error = mcd_stop(sc)) != 0) 1757 return error; 1758 1759 /* Set the proper status and exit. */ 1760 sc->audio_status = CD_AS_PLAY_PAUSED; 1761 return 0; 1762 } 1763 1764 int 1765 mcd_resume(sc) 1766 struct mcd_softc *sc; 1767 { 1768 struct mcd_mbox mbx; 1769 int error; 1770 1771 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1772 return EINVAL; 1773 1774 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1775 return error; 1776 1777 mbx.cmd = sc->lastpb; 1778 mbx.res.length = 0; 1779 return mcd_send(sc, &mbx, 1); 1780 } 1781 1782 int 1783 mcd_eject(sc) 1784 struct mcd_softc *sc; 1785 { 1786 struct mcd_mbox mbx; 1787 1788 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1789 mbx.cmd.length = 0; 1790 mbx.res.length = 0; 1791 return mcd_send(sc, &mbx, 0); 1792 } 1793 1794 int 1795 mcd_setlock(sc, mode) 1796 struct mcd_softc *sc; 1797 int mode; 1798 { 1799 struct mcd_mbox mbx; 1800 1801 mbx.cmd.opcode = MCD_CMDSETLOCK; 1802 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1803 mbx.cmd.data.lockmode.mode = mode; 1804 mbx.res.length = 0; 1805 return mcd_send(sc, &mbx, 1); 1806 } 1807
Indexes created Tue Sep 30 07:10:03 GMT 2025