mcd.c revision 1.61
1 /* $NetBSD: mcd.c,v 1.61 1998/06/09 07:25:04 thorpej 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 struct mcd_mbx { 95 int retry, count; 96 struct buf *bp; 97 daddr_t blkno; 98 int nblk; 99 int sz; 100 u_long skip; 101 int state; 102 #define MCD_S_IDLE 0 103 #define MCD_S_BEGIN 1 104 #define MCD_S_WAITMODE 2 105 #define MCD_S_WAITREAD 3 106 int mode; 107 }; 108 109 struct mcd_softc { 110 struct device sc_dev; 111 struct disk sc_dk; 112 void *sc_ih; 113 114 bus_space_tag_t sc_iot; 115 bus_space_handle_t sc_ioh; 116 117 int irq, drq; 118 119 char *type; 120 int flags; 121 #define MCDF_LOCKED 0x01 122 #define MCDF_WANTED 0x02 123 #define MCDF_WLABEL 0x04 /* label is writable */ 124 #define MCDF_LABELLING 0x08 /* writing label */ 125 #define MCDF_LOADED 0x10 /* parameters loaded */ 126 short status; 127 short audio_status; 128 int blksize; 129 u_long disksize; 130 struct mcd_volinfo volinfo; 131 union mcd_qchninfo toc[MCD_MAXTOCS]; 132 struct mcd_command lastpb; 133 struct mcd_mbx mbx; 134 int lastmode; 135 #define MCD_MD_UNKNOWN -1 136 int lastupc; 137 #define MCD_UPC_UNKNOWN -1 138 struct buf buf_queue; 139 u_char readcmd; 140 u_char debug; 141 u_char probe; 142 }; 143 144 /* prototypes */ 145 /* XXX does not belong here */ 146 cdev_decl(mcd); 147 bdev_decl(mcd); 148 149 static int bcd2bin __P((bcd_t)); 150 static bcd_t bin2bcd __P((int)); 151 static void hsg2msf __P((int, bcd_t *)); 152 static daddr_t msf2hsg __P((bcd_t *, int)); 153 154 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 155 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 156 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 157 int mcd_stop __P((struct mcd_softc *)); 158 int mcd_eject __P((struct mcd_softc *)); 159 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 160 int mcd_pause __P((struct mcd_softc *)); 161 int mcd_resume __P((struct mcd_softc *)); 162 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 163 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 164 165 int mcd_getreply __P((struct mcd_softc *)); 166 int mcd_getstat __P((struct mcd_softc *)); 167 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 168 void mcd_setflags __P((struct mcd_softc *)); 169 int mcd_get __P((struct mcd_softc *, char *, int)); 170 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 171 int mcdintr __P((void *)); 172 void mcd_soft_reset __P((struct mcd_softc *)); 173 int mcd_hard_reset __P((struct mcd_softc *)); 174 int mcd_setmode __P((struct mcd_softc *, int)); 175 int mcd_setupc __P((struct mcd_softc *, int)); 176 int mcd_read_toc __P((struct mcd_softc *)); 177 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 178 int mcd_setlock __P((struct mcd_softc *, int)); 179 180 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 181 int mcdprobe __P((struct device *, struct cfdata *, void *)); 182 void mcdattach __P((struct device *, struct device *, void *)); 183 184 struct cfattach mcd_ca = { 185 sizeof(struct mcd_softc), mcdprobe, mcdattach 186 }; 187 188 extern struct cfdriver mcd_cd; 189 190 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 191 void mcdgetdisklabel __P((struct mcd_softc *)); 192 int mcd_get_parms __P((struct mcd_softc *)); 193 void mcdstrategy __P((struct buf *)); 194 void mcdstart __P((struct mcd_softc *)); 195 int mcdlock __P((struct mcd_softc *)); 196 void mcdunlock __P((struct mcd_softc *)); 197 void mcd_pseudointr __P((void *)); 198 199 struct dkdriver mcddkdriver = { mcdstrategy }; 200 201 #define MCD_RETRIES 3 202 #define MCD_RDRETRIES 3 203 204 /* several delays */ 205 #define RDELAY_WAITMODE 300 206 #define RDELAY_WAITREAD 800 207 208 #define DELAY_GRANULARITY 25 /* 25us */ 209 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 210 211 void 212 mcdattach(parent, self, aux) 213 struct device *parent, *self; 214 void *aux; 215 { 216 struct mcd_softc *sc = (void *)self; 217 struct isa_attach_args *ia = aux; 218 bus_space_tag_t iot = ia->ia_iot; 219 bus_space_handle_t ioh; 220 struct mcd_mbox mbx; 221 222 /* Map i/o space */ 223 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 224 printf(": can't map i/o space\n"); 225 return; 226 } 227 228 sc->sc_iot = iot; 229 sc->sc_ioh = ioh; 230 231 sc->probe = 0; 232 sc->debug = 0; 233 234 if (!mcd_find(iot, ioh, sc)) { 235 printf(": mcd_find failed\n"); 236 return; 237 } 238 239 /* 240 * Initialize and attach the disk structure. 241 */ 242 sc->sc_dk.dk_driver = &mcddkdriver; 243 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 244 disk_attach(&sc->sc_dk); 245 246 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 247 248 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 249 250 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 251 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 252 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 253 mbx.cmd.data.config.data1 = 0x01; 254 mbx.res.length = 0; 255 (void) mcd_send(sc, &mbx, 0); 256 257 mcd_soft_reset(sc); 258 259 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 260 IPL_BIO, mcdintr, sc); 261 } 262 263 /* 264 * Wait interruptibly for an exclusive lock. 265 * 266 * XXX 267 * Several drivers do this; it should be abstracted and made MP-safe. 268 */ 269 int 270 mcdlock(sc) 271 struct mcd_softc *sc; 272 { 273 int error; 274 275 while ((sc->flags & MCDF_LOCKED) != 0) { 276 sc->flags |= MCDF_WANTED; 277 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 278 return error; 279 } 280 sc->flags |= MCDF_LOCKED; 281 return 0; 282 } 283 284 /* 285 * Unlock and wake up any waiters. 286 */ 287 void 288 mcdunlock(sc) 289 struct mcd_softc *sc; 290 { 291 292 sc->flags &= ~MCDF_LOCKED; 293 if ((sc->flags & MCDF_WANTED) != 0) { 294 sc->flags &= ~MCDF_WANTED; 295 wakeup(sc); 296 } 297 } 298 299 int 300 mcdopen(dev, flag, fmt, p) 301 dev_t dev; 302 int flag, fmt; 303 struct proc *p; 304 { 305 int error; 306 int unit, part; 307 struct mcd_softc *sc; 308 309 unit = MCDUNIT(dev); 310 if (unit >= mcd_cd.cd_ndevs) 311 return ENXIO; 312 sc = mcd_cd.cd_devs[unit]; 313 if (!sc) 314 return ENXIO; 315 316 if ((error = mcdlock(sc)) != 0) 317 return error; 318 319 if (sc->sc_dk.dk_openmask != 0) { 320 /* 321 * If any partition is open, but the disk has been invalidated, 322 * disallow further opens. 323 */ 324 if ((sc->flags & MCDF_LOADED) == 0) { 325 error = EIO; 326 goto bad3; 327 } 328 } else { 329 /* 330 * Lock the drawer. This will also notice any pending disk 331 * change or door open indicator and clear the MCDF_LOADED bit 332 * if necessary. 333 */ 334 (void) mcd_setlock(sc, MCD_LK_LOCK); 335 336 if ((sc->flags & MCDF_LOADED) == 0) { 337 /* Partially reset the state. */ 338 sc->lastmode = MCD_MD_UNKNOWN; 339 sc->lastupc = MCD_UPC_UNKNOWN; 340 341 sc->flags |= MCDF_LOADED; 342 343 /* Set the mode, causing the disk to spin up. */ 344 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 345 goto bad2; 346 347 /* Load the physical device parameters. */ 348 if (mcd_get_parms(sc) != 0) { 349 error = ENXIO; 350 goto bad2; 351 } 352 353 /* Read the table of contents. */ 354 if ((error = mcd_read_toc(sc)) != 0) 355 goto bad2; 356 357 /* Fabricate a disk label. */ 358 mcdgetdisklabel(sc); 359 } 360 } 361 362 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 363 sc->disksize, sc->blksize, 0); 364 365 part = MCDPART(dev); 366 367 /* Check that the partition exists. */ 368 if (part != RAW_PART && 369 (part >= sc->sc_dk.dk_label->d_npartitions || 370 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 371 error = ENXIO; 372 goto bad; 373 } 374 375 /* Insure only one open at a time. */ 376 switch (fmt) { 377 case S_IFCHR: 378 sc->sc_dk.dk_copenmask |= (1 << part); 379 break; 380 case S_IFBLK: 381 sc->sc_dk.dk_bopenmask |= (1 << part); 382 break; 383 } 384 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 385 386 mcdunlock(sc); 387 return 0; 388 389 bad2: 390 sc->flags &= ~MCDF_LOADED; 391 392 bad: 393 if (sc->sc_dk.dk_openmask == 0) { 394 #if 0 395 (void) mcd_setmode(sc, MCD_MD_SLEEP); 396 #endif 397 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 398 } 399 400 bad3: 401 mcdunlock(sc); 402 return error; 403 } 404 405 int 406 mcdclose(dev, flag, fmt, p) 407 dev_t dev; 408 int flag, fmt; 409 struct proc *p; 410 { 411 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 412 int part = MCDPART(dev); 413 int error; 414 415 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 416 417 if ((error = mcdlock(sc)) != 0) 418 return error; 419 420 switch (fmt) { 421 case S_IFCHR: 422 sc->sc_dk.dk_copenmask &= ~(1 << part); 423 break; 424 case S_IFBLK: 425 sc->sc_dk.dk_bopenmask &= ~(1 << part); 426 break; 427 } 428 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 429 430 if (sc->sc_dk.dk_openmask == 0) { 431 /* XXXX Must wait for I/O to complete! */ 432 433 #if 0 434 (void) mcd_setmode(sc, MCD_MD_SLEEP); 435 #endif 436 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 437 } 438 439 mcdunlock(sc); 440 return 0; 441 } 442 443 void 444 mcdstrategy(bp) 445 struct buf *bp; 446 { 447 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 448 int s; 449 450 /* Test validity. */ 451 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 452 bp->b_blkno, bp->b_bcount, 0); 453 if (bp->b_blkno < 0 || 454 (bp->b_bcount % sc->blksize) != 0) { 455 printf("%s: strategy: blkno = %d bcount = %ld\n", 456 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 457 bp->b_error = EINVAL; 458 goto bad; 459 } 460 461 /* If device invalidated (e.g. media change, door open), error. */ 462 if ((sc->flags & MCDF_LOADED) == 0) { 463 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 464 bp->b_error = EIO; 465 goto bad; 466 } 467 468 /* No data to read. */ 469 if (bp->b_bcount == 0) 470 goto done; 471 472 /* 473 * Do bounds checking, adjust transfer. if error, process. 474 * If end of partition, just return. 475 */ 476 if (MCDPART(bp->b_dev) != RAW_PART && 477 bounds_check_with_label(bp, sc->sc_dk.dk_label, 478 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 479 goto done; 480 481 /* Queue it. */ 482 s = splbio(); 483 disksort(&sc->buf_queue, bp); 484 splx(s); 485 if (!sc->buf_queue.b_active) 486 mcdstart(sc); 487 return; 488 489 bad: 490 bp->b_flags |= B_ERROR; 491 done: 492 bp->b_resid = bp->b_bcount; 493 biodone(bp); 494 } 495 496 void 497 mcdstart(sc) 498 struct mcd_softc *sc; 499 { 500 struct buf *bp, *dp = &sc->buf_queue; 501 int s; 502 503 loop: 504 s = splbio(); 505 506 bp = dp->b_actf; 507 if (bp == NULL) { 508 /* Nothing to do. */ 509 dp->b_active = 0; 510 splx(s); 511 return; 512 } 513 514 /* Block found to process; dequeue. */ 515 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 516 dp->b_actf = bp->b_actf; 517 splx(s); 518 519 /* Changed media? */ 520 if ((sc->flags & MCDF_LOADED) == 0) { 521 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 522 bp->b_error = EIO; 523 bp->b_flags |= B_ERROR; 524 biodone(bp); 525 goto loop; 526 } 527 528 dp->b_active = 1; 529 530 /* Instrumentation. */ 531 s = splbio(); 532 disk_busy(&sc->sc_dk); 533 splx(s); 534 535 sc->mbx.retry = MCD_RDRETRIES; 536 sc->mbx.bp = bp; 537 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 538 if (MCDPART(bp->b_dev) != RAW_PART) { 539 struct partition *p; 540 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 541 sc->mbx.blkno += p->p_offset; 542 } 543 sc->mbx.nblk = bp->b_bcount / sc->blksize; 544 sc->mbx.sz = sc->blksize; 545 sc->mbx.skip = 0; 546 sc->mbx.state = MCD_S_BEGIN; 547 sc->mbx.mode = MCD_MD_COOKED; 548 549 s = splbio(); 550 (void) mcdintr(sc); 551 splx(s); 552 } 553 554 int 555 mcdread(dev, uio, flags) 556 dev_t dev; 557 struct uio *uio; 558 int flags; 559 { 560 561 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 562 } 563 564 int 565 mcdwrite(dev, uio, flags) 566 dev_t dev; 567 struct uio *uio; 568 int flags; 569 { 570 571 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 572 } 573 574 int 575 mcdioctl(dev, cmd, addr, flag, p) 576 dev_t dev; 577 u_long cmd; 578 caddr_t addr; 579 int flag; 580 struct proc *p; 581 { 582 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 583 int error; 584 585 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 586 587 if ((sc->flags & MCDF_LOADED) == 0) 588 return EIO; 589 590 switch (cmd) { 591 case DIOCGDINFO: 592 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 593 return 0; 594 595 case DIOCGPART: 596 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 597 ((struct partinfo *)addr)->part = 598 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 599 return 0; 600 601 case DIOCWDINFO: 602 case DIOCSDINFO: 603 if ((flag & FWRITE) == 0) 604 return EBADF; 605 606 if ((error = mcdlock(sc)) != 0) 607 return error; 608 sc->flags |= MCDF_LABELLING; 609 610 error = setdisklabel(sc->sc_dk.dk_label, 611 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 612 sc->sc_dk.dk_cpulabel); 613 if (error == 0) { 614 } 615 616 sc->flags &= ~MCDF_LABELLING; 617 mcdunlock(sc); 618 return error; 619 620 case DIOCWLABEL: 621 return EBADF; 622 623 case DIOCGDEFLABEL: 624 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 625 return 0; 626 627 case CDIOCPLAYTRACKS: 628 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 629 case CDIOCPLAYMSF: 630 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 631 case CDIOCPLAYBLOCKS: 632 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 633 case CDIOCREADSUBCHANNEL: 634 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 635 case CDIOREADTOCHEADER: 636 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 637 case CDIOREADTOCENTRYS: 638 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 639 case CDIOCSETPATCH: 640 case CDIOCGETVOL: 641 case CDIOCSETVOL: 642 case CDIOCSETMONO: 643 case CDIOCSETSTEREO: 644 case CDIOCSETMUTE: 645 case CDIOCSETLEFT: 646 case CDIOCSETRIGHT: 647 return EINVAL; 648 case CDIOCRESUME: 649 return mcd_resume(sc); 650 case CDIOCPAUSE: 651 return mcd_pause(sc); 652 case CDIOCSTART: 653 return EINVAL; 654 case CDIOCSTOP: 655 return mcd_stop(sc); 656 case CDIOCEJECT: /* FALLTHROUGH */ 657 case DIOCEJECT: 658 return mcd_eject(sc); 659 case CDIOCALLOW: 660 return mcd_setlock(sc, MCD_LK_UNLOCK); 661 case CDIOCPREVENT: 662 return mcd_setlock(sc, MCD_LK_LOCK); 663 case DIOCLOCK: 664 return mcd_setlock(sc, 665 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 666 case CDIOCSETDEBUG: 667 sc->debug = 1; 668 return 0; 669 case CDIOCCLRDEBUG: 670 sc->debug = 0; 671 return 0; 672 case CDIOCRESET: 673 return mcd_hard_reset(sc); 674 675 default: 676 return ENOTTY; 677 } 678 679 #ifdef DIAGNOSTIC 680 panic("mcdioctl: impossible"); 681 #endif 682 } 683 684 void 685 mcdgetdefaultlabel(sc, lp) 686 struct mcd_softc *sc; 687 struct disklabel *lp; 688 { 689 690 bzero(lp, sizeof(struct disklabel)); 691 692 lp->d_secsize = sc->blksize; 693 lp->d_ntracks = 1; 694 lp->d_nsectors = 100; 695 lp->d_ncylinders = (sc->disksize / 100) + 1; 696 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 697 698 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 699 lp->d_type = 0; /* XXX */ 700 strncpy(lp->d_packname, "fictitious", 16); 701 lp->d_secperunit = sc->disksize; 702 lp->d_rpm = 300; 703 lp->d_interleave = 1; 704 lp->d_flags = D_REMOVABLE; 705 706 lp->d_partitions[0].p_offset = 0; 707 lp->d_partitions[0].p_size = 708 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 709 lp->d_partitions[0].p_fstype = FS_ISO9660; 710 lp->d_partitions[RAW_PART].p_offset = 0; 711 lp->d_partitions[RAW_PART].p_size = 712 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 713 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 714 lp->d_npartitions = RAW_PART + 1; 715 716 lp->d_magic = DISKMAGIC; 717 lp->d_magic2 = DISKMAGIC; 718 lp->d_checksum = dkcksum(lp); 719 } 720 721 /* 722 * This could have been taken from scsi/cd.c, but it is not clear 723 * whether the scsi cd driver is linked in. 724 */ 725 void 726 mcdgetdisklabel(sc) 727 struct mcd_softc *sc; 728 { 729 struct disklabel *lp = sc->sc_dk.dk_label; 730 731 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 732 733 mcdgetdefaultlabel(sc, lp); 734 } 735 736 int 737 mcd_get_parms(sc) 738 struct mcd_softc *sc; 739 { 740 struct mcd_mbox mbx; 741 daddr_t size; 742 int error; 743 744 /* Send volume info command. */ 745 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 746 mbx.cmd.length = 0; 747 mbx.res.length = sizeof(mbx.res.data.volinfo); 748 if ((error = mcd_send(sc, &mbx, 1)) != 0) 749 return error; 750 751 if (mbx.res.data.volinfo.trk_low == 0x00 && 752 mbx.res.data.volinfo.trk_high == 0x00) 753 return EINVAL; 754 755 /* Volinfo is OK. */ 756 sc->volinfo = mbx.res.data.volinfo; 757 sc->blksize = MCD_BLKSIZE_COOKED; 758 size = msf2hsg(sc->volinfo.vol_msf, 0); 759 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 760 return 0; 761 } 762 763 int 764 mcdsize(dev) 765 dev_t dev; 766 { 767 768 /* CD-ROMs are read-only. */ 769 return -1; 770 } 771 772 int 773 mcddump(dev, blkno, va, size) 774 dev_t dev; 775 daddr_t blkno; 776 caddr_t va; 777 size_t size; 778 { 779 780 /* Not implemented. */ 781 return ENXIO; 782 } 783 784 /* 785 * Find the board and fill in the softc. 786 */ 787 int 788 mcd_find(iot, ioh, sc) 789 bus_space_tag_t iot; 790 bus_space_handle_t ioh; 791 struct mcd_softc *sc; 792 { 793 int i; 794 struct mcd_mbox mbx; 795 796 sc->sc_iot = iot; 797 sc->sc_ioh = ioh; 798 799 /* Send a reset. */ 800 bus_space_write_1(iot, ioh, MCD_RESET, 0); 801 delay(1000000); 802 /* Get any pending status and throw away. */ 803 for (i = 10; i; i--) 804 bus_space_read_1(iot, ioh, MCD_STATUS); 805 delay(1000); 806 807 /* Send get status command. */ 808 mbx.cmd.opcode = MCD_CMDGETSTAT; 809 mbx.cmd.length = 0; 810 mbx.res.length = 0; 811 if (mcd_send(sc, &mbx, 0) != 0) 812 return 0; 813 814 /* Get info about the drive. */ 815 mbx.cmd.opcode = MCD_CMDCONTINFO; 816 mbx.cmd.length = 0; 817 mbx.res.length = sizeof(mbx.res.data.continfo); 818 if (mcd_send(sc, &mbx, 0) != 0) 819 return 0; 820 821 /* 822 * The following is code which is not guaranteed to work for all 823 * drives, because the meaning of the expected 'M' is not clear 824 * (M_itsumi is an obvious assumption, but I don't trust that). 825 * Also, the original hack had a bogus condition that always 826 * returned true. 827 * 828 * Note: Which models support interrupts? >=LU005S? 829 */ 830 sc->readcmd = MCD_CMDREADSINGLESPEED; 831 switch (mbx.res.data.continfo.code) { 832 case 'M': 833 if (mbx.res.data.continfo.version <= 2) 834 sc->type = "LU002S"; 835 else if (mbx.res.data.continfo.version <= 5) 836 sc->type = "LU005S"; 837 else 838 sc->type = "LU006S"; 839 break; 840 case 'F': 841 sc->type = "FX001"; 842 break; 843 case 'D': 844 sc->type = "FX001D"; 845 sc->readcmd = MCD_CMDREADDOUBLESPEED; 846 break; 847 default: 848 #ifdef MCDDEBUG 849 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 850 sc->sc_dev.dv_xname, 851 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 852 #endif 853 sc->type = 0; 854 break; 855 } 856 857 return 1; 858 859 } 860 861 int 862 mcdprobe(parent, match, aux) 863 struct device *parent; 864 struct cfdata *match; 865 void *aux; 866 { 867 struct isa_attach_args *ia = aux; 868 struct mcd_softc sc; 869 bus_space_tag_t iot = ia->ia_iot; 870 bus_space_handle_t ioh; 871 int rv; 872 873 /* Disallow wildcarded i/o address. */ 874 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 875 return (0); 876 877 /* Map i/o space */ 878 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 879 return 0; 880 881 sc.debug = 0; 882 sc.probe = 1; 883 884 rv = mcd_find(iot, ioh, &sc); 885 886 bus_space_unmap(iot, ioh, MCD_NPORT); 887 888 if (rv) { 889 ia->ia_iosize = MCD_NPORT; 890 ia->ia_msize = 0; 891 } 892 893 return (rv); 894 } 895 896 int 897 mcd_getreply(sc) 898 struct mcd_softc *sc; 899 { 900 bus_space_tag_t iot = sc->sc_iot; 901 bus_space_handle_t ioh = sc->sc_ioh; 902 int i; 903 904 /* Wait until xfer port senses data ready. */ 905 for (i = DELAY_GETREPLY; i; i--) { 906 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 907 MCD_XF_STATUSUNAVAIL) == 0) 908 break; 909 delay(DELAY_GRANULARITY); 910 } 911 if (!i) 912 return -1; 913 914 /* Get the data. */ 915 return bus_space_read_1(iot, ioh, MCD_STATUS); 916 } 917 918 int 919 mcd_getstat(sc) 920 struct mcd_softc *sc; 921 { 922 struct mcd_mbox mbx; 923 924 mbx.cmd.opcode = MCD_CMDGETSTAT; 925 mbx.cmd.length = 0; 926 mbx.res.length = 0; 927 return mcd_send(sc, &mbx, 1); 928 } 929 930 int 931 mcd_getresult(sc, res) 932 struct mcd_softc *sc; 933 struct mcd_result *res; 934 { 935 int i, x; 936 937 if (sc->debug) 938 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 939 res->length); 940 941 if ((x = mcd_getreply(sc)) < 0) { 942 if (sc->debug) 943 printf(" timeout\n"); 944 else if (!sc->probe) 945 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 946 return EIO; 947 } 948 if (sc->debug) 949 printf(" %02x", (u_int)x); 950 sc->status = x; 951 mcd_setflags(sc); 952 953 if ((sc->status & MCD_ST_CMDCHECK) != 0) 954 return EINVAL; 955 956 for (i = 0; i < res->length; i++) { 957 if ((x = mcd_getreply(sc)) < 0) { 958 if (sc->debug) 959 printf(" timeout\n"); 960 else 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 res->data.raw.data[i] = x; 967 } 968 969 if (sc->debug) 970 printf(" succeeded\n"); 971 972 #ifdef MCDDEBUG 973 delay(10); 974 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 975 MCD_XF_STATUSUNAVAIL) == 0) { 976 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 977 printf("%s: got extra byte %02x during getstatus\n", 978 sc->sc_dev.dv_xname, (u_int)x); 979 delay(10); 980 } 981 #endif 982 983 return 0; 984 } 985 986 void 987 mcd_setflags(sc) 988 struct mcd_softc *sc; 989 { 990 991 /* Check flags. */ 992 if ((sc->flags & MCDF_LOADED) != 0 && 993 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 994 MCD_ST_DSKIN) { 995 if ((sc->status & MCD_ST_DOOROPEN) != 0) 996 printf("%s: door open\n", sc->sc_dev.dv_xname); 997 else if ((sc->status & MCD_ST_DSKIN) == 0) 998 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 999 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1000 printf("%s: media change\n", sc->sc_dev.dv_xname); 1001 sc->flags &= ~MCDF_LOADED; 1002 } 1003 1004 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1005 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1006 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1007 sc->audio_status == CD_AS_AUDIO_INVALID) 1008 sc->audio_status = CD_AS_PLAY_COMPLETED; 1009 } 1010 1011 int 1012 mcd_send(sc, mbx, diskin) 1013 struct mcd_softc *sc; 1014 struct mcd_mbox *mbx; 1015 int diskin; 1016 { 1017 int retry, i, error; 1018 bus_space_tag_t iot = sc->sc_iot; 1019 bus_space_handle_t ioh = sc->sc_ioh; 1020 1021 if (sc->debug) { 1022 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1023 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1024 for (i = 0; i < mbx->cmd.length; i++) 1025 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1026 printf("\n"); 1027 } 1028 1029 for (retry = MCD_RETRIES; retry; retry--) { 1030 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1031 for (i = 0; i < mbx->cmd.length; i++) 1032 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1033 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1034 break; 1035 if (error == EINVAL) 1036 return error; 1037 } 1038 if (!retry) 1039 return error; 1040 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1041 return EIO; 1042 1043 return 0; 1044 } 1045 1046 static int 1047 bcd2bin(b) 1048 bcd_t b; 1049 { 1050 1051 return (b >> 4) * 10 + (b & 15); 1052 } 1053 1054 static bcd_t 1055 bin2bcd(b) 1056 int b; 1057 { 1058 1059 return ((b / 10) << 4) | (b % 10); 1060 } 1061 1062 static void 1063 hsg2msf(hsg, msf) 1064 int hsg; 1065 bcd_t *msf; 1066 { 1067 1068 hsg += 150; 1069 F_msf(msf) = bin2bcd(hsg % 75); 1070 hsg /= 75; 1071 S_msf(msf) = bin2bcd(hsg % 60); 1072 hsg /= 60; 1073 M_msf(msf) = bin2bcd(hsg); 1074 } 1075 1076 static daddr_t 1077 msf2hsg(msf, relative) 1078 bcd_t *msf; 1079 int relative; 1080 { 1081 daddr_t blkno; 1082 1083 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1084 bcd2bin(S_msf(msf)) * 75 + 1085 bcd2bin(F_msf(msf)); 1086 if (!relative) 1087 blkno -= 150; 1088 return blkno; 1089 } 1090 1091 void 1092 mcd_pseudointr(v) 1093 void *v; 1094 { 1095 struct mcd_softc *sc = v; 1096 int s; 1097 1098 s = splbio(); 1099 (void) mcdintr(sc); 1100 splx(s); 1101 } 1102 1103 /* 1104 * State machine to process read requests. 1105 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1106 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1107 * MCD_S_WAITREAD: wait for read ready, read data. 1108 */ 1109 int 1110 mcdintr(arg) 1111 void *arg; 1112 { 1113 struct mcd_softc *sc = arg; 1114 struct mcd_mbx *mbx = &sc->mbx; 1115 struct buf *bp = mbx->bp; 1116 bus_space_tag_t iot = sc->sc_iot; 1117 bus_space_handle_t ioh = sc->sc_ioh; 1118 1119 int i; 1120 u_char x; 1121 bcd_t msf[3]; 1122 1123 switch (mbx->state) { 1124 case MCD_S_IDLE: 1125 return 0; 1126 1127 case MCD_S_BEGIN: 1128 tryagain: 1129 if (mbx->mode == sc->lastmode) 1130 goto firstblock; 1131 1132 sc->lastmode = MCD_MD_UNKNOWN; 1133 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1134 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1135 1136 mbx->count = RDELAY_WAITMODE; 1137 mbx->state = MCD_S_WAITMODE; 1138 1139 case MCD_S_WAITMODE: 1140 untimeout(mcd_pseudointr, sc); 1141 for (i = 20; i; i--) { 1142 x = bus_space_read_1(iot, ioh, MCD_XFER); 1143 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1144 break; 1145 delay(50); 1146 } 1147 if (i == 0) 1148 goto hold; 1149 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1150 mcd_setflags(sc); 1151 if ((sc->flags & MCDF_LOADED) == 0) 1152 goto changed; 1153 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1154 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1155 1156 sc->lastmode = mbx->mode; 1157 1158 firstblock: 1159 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1160 bp, 0, 0); 1161 1162 /* Build parameter block. */ 1163 hsg2msf(mbx->blkno, msf); 1164 1165 /* Send the read command. */ 1166 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1167 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1168 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1169 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1170 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1171 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1172 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1173 1174 mbx->count = RDELAY_WAITREAD; 1175 mbx->state = MCD_S_WAITREAD; 1176 1177 case MCD_S_WAITREAD: 1178 untimeout(mcd_pseudointr, sc); 1179 nextblock: 1180 loop: 1181 for (i = 20; i; i--) { 1182 x = bus_space_read_1(iot, ioh, MCD_XFER); 1183 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1184 goto gotblock; 1185 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1186 break; 1187 delay(50); 1188 } 1189 if (i == 0) 1190 goto hold; 1191 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1192 mcd_setflags(sc); 1193 if ((sc->flags & MCDF_LOADED) == 0) 1194 goto changed; 1195 #if 0 1196 printf("%s: got status byte %02x during read\n", 1197 sc->sc_dev.dv_xname, (u_int)sc->status); 1198 #endif 1199 goto loop; 1200 1201 gotblock: 1202 MCD_TRACE("doread: got data delay=%d\n", 1203 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1204 1205 /* Data is ready. */ 1206 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1207 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1208 bp->b_data + mbx->skip, mbx->sz); 1209 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1210 mbx->blkno += 1; 1211 mbx->skip += mbx->sz; 1212 if (--mbx->nblk > 0) 1213 goto nextblock; 1214 1215 mbx->state = MCD_S_IDLE; 1216 1217 /* Return buffer. */ 1218 bp->b_resid = 0; 1219 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1220 biodone(bp); 1221 1222 mcdstart(sc); 1223 return 1; 1224 1225 hold: 1226 if (mbx->count-- < 0) { 1227 printf("%s: timeout in state %d", 1228 sc->sc_dev.dv_xname, mbx->state); 1229 goto readerr; 1230 } 1231 1232 #if 0 1233 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1234 mbx->state); 1235 #endif 1236 timeout(mcd_pseudointr, sc, hz / 100); 1237 return -1; 1238 } 1239 1240 readerr: 1241 if (mbx->retry-- > 0) { 1242 printf("; retrying\n"); 1243 goto tryagain; 1244 } else 1245 printf("; giving up\n"); 1246 1247 changed: 1248 /* Invalidate the buffer. */ 1249 bp->b_flags |= B_ERROR; 1250 bp->b_resid = bp->b_bcount - mbx->skip; 1251 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1252 biodone(bp); 1253 1254 mcdstart(sc); 1255 return -1; 1256 1257 #ifdef notyet 1258 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1259 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1260 delay(300000); 1261 (void) mcd_getstat(sc, 1); 1262 (void) mcd_getstat(sc, 1); 1263 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1264 sc->debug = 1; /* preventive set debug mode */ 1265 #endif 1266 } 1267 1268 void 1269 mcd_soft_reset(sc) 1270 struct mcd_softc *sc; 1271 { 1272 1273 sc->debug = 0; 1274 sc->flags = 0; 1275 sc->lastmode = MCD_MD_UNKNOWN; 1276 sc->lastupc = MCD_UPC_UNKNOWN; 1277 sc->audio_status = CD_AS_AUDIO_INVALID; 1278 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1279 } 1280 1281 int 1282 mcd_hard_reset(sc) 1283 struct mcd_softc *sc; 1284 { 1285 struct mcd_mbox mbx; 1286 1287 mcd_soft_reset(sc); 1288 1289 mbx.cmd.opcode = MCD_CMDRESET; 1290 mbx.cmd.length = 0; 1291 mbx.res.length = 0; 1292 return mcd_send(sc, &mbx, 0); 1293 } 1294 1295 int 1296 mcd_setmode(sc, mode) 1297 struct mcd_softc *sc; 1298 int mode; 1299 { 1300 struct mcd_mbox mbx; 1301 int error; 1302 1303 if (sc->lastmode == mode) 1304 return 0; 1305 if (sc->debug) 1306 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1307 sc->lastmode = MCD_MD_UNKNOWN; 1308 1309 mbx.cmd.opcode = MCD_CMDSETMODE; 1310 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1311 mbx.cmd.data.datamode.mode = mode; 1312 mbx.res.length = 0; 1313 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1314 return error; 1315 1316 sc->lastmode = mode; 1317 return 0; 1318 } 1319 1320 int 1321 mcd_setupc(sc, upc) 1322 struct mcd_softc *sc; 1323 int upc; 1324 { 1325 struct mcd_mbox mbx; 1326 int error; 1327 1328 if (sc->lastupc == upc) 1329 return 0; 1330 if (sc->debug) 1331 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1332 sc->lastupc = MCD_UPC_UNKNOWN; 1333 1334 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1335 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1336 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1337 mbx.cmd.data.config.data1 = upc; 1338 mbx.res.length = 0; 1339 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1340 return error; 1341 1342 sc->lastupc = upc; 1343 return 0; 1344 } 1345 1346 int 1347 mcd_toc_header(sc, th) 1348 struct mcd_softc *sc; 1349 struct ioc_toc_header *th; 1350 { 1351 1352 if (sc->debug) 1353 printf("%s: mcd_toc_header: reading toc header\n", 1354 sc->sc_dev.dv_xname); 1355 1356 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1357 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1358 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1359 1360 return 0; 1361 } 1362 1363 int 1364 mcd_read_toc(sc) 1365 struct mcd_softc *sc; 1366 { 1367 struct ioc_toc_header th; 1368 union mcd_qchninfo q; 1369 int error, trk, idx, retry; 1370 1371 if ((error = mcd_toc_header(sc, &th)) != 0) 1372 return error; 1373 1374 if ((error = mcd_stop(sc)) != 0) 1375 return error; 1376 1377 if (sc->debug) 1378 printf("%s: read_toc: reading qchannel info\n", 1379 sc->sc_dev.dv_xname); 1380 1381 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1382 sc->toc[trk].toc.idx_no = 0x00; 1383 trk = th.ending_track - th.starting_track + 1; 1384 for (retry = 300; retry && trk > 0; retry--) { 1385 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1386 break; 1387 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1388 continue; 1389 idx = bcd2bin(q.toc.idx_no); 1390 if (idx < MCD_MAXTOCS && 1391 sc->toc[idx].toc.idx_no == 0x00) { 1392 sc->toc[idx] = q; 1393 trk--; 1394 } 1395 } 1396 1397 /* Inform the drive that we're finished so it turns off the light. */ 1398 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1399 return error; 1400 1401 if (trk != 0) 1402 return EINVAL; 1403 1404 /* Add a fake last+1 for mcd_playtracks(). */ 1405 idx = th.ending_track + 1; 1406 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1407 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1408 sc->toc[idx].toc.trk_no = 0x00; 1409 sc->toc[idx].toc.idx_no = 0xaa; 1410 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1411 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1412 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1413 1414 return 0; 1415 } 1416 1417 int 1418 mcd_toc_entries(sc, te) 1419 struct mcd_softc *sc; 1420 struct ioc_read_toc_entry *te; 1421 { 1422 int len = te->data_len; 1423 struct ret_toc { 1424 struct ioc_toc_header header; 1425 struct cd_toc_entry entries[MCD_MAXTOCS]; 1426 } data; 1427 u_char trk; 1428 daddr_t lba; 1429 int error, n; 1430 1431 if (len > sizeof(data.entries) || 1432 len < sizeof(struct cd_toc_entry)) 1433 return EINVAL; 1434 if (te->address_format != CD_MSF_FORMAT && 1435 te->address_format != CD_LBA_FORMAT) 1436 return EINVAL; 1437 1438 /* Copy the TOC header. */ 1439 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1440 return error; 1441 1442 /* Verify starting track. */ 1443 trk = te->starting_track; 1444 if (trk == 0x00) 1445 trk = data.header.starting_track; 1446 else if (trk == 0xaa) 1447 trk = data.header.ending_track + 1; 1448 else if (trk < data.header.starting_track || 1449 trk > data.header.ending_track + 1) 1450 return EINVAL; 1451 1452 /* Copy the TOC data. */ 1453 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1454 if (sc->toc[trk].toc.idx_no == 0x00) 1455 continue; 1456 data.entries[n].control = sc->toc[trk].toc.control; 1457 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1458 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1459 switch (te->address_format) { 1460 case CD_MSF_FORMAT: 1461 data.entries[n].addr.addr[0] = 0; 1462 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1463 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1464 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1465 break; 1466 case CD_LBA_FORMAT: 1467 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1468 data.entries[n].addr.addr[0] = lba >> 24; 1469 data.entries[n].addr.addr[1] = lba >> 16; 1470 data.entries[n].addr.addr[2] = lba >> 8; 1471 data.entries[n].addr.addr[3] = lba; 1472 break; 1473 } 1474 n++; 1475 } 1476 1477 len = min(len, n * sizeof(struct cd_toc_entry)); 1478 1479 /* Copy the data back. */ 1480 return copyout(&data.entries[0], te->data, len); 1481 } 1482 1483 int 1484 mcd_stop(sc) 1485 struct mcd_softc *sc; 1486 { 1487 struct mcd_mbox mbx; 1488 int error; 1489 1490 if (sc->debug) 1491 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1492 1493 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1494 mbx.cmd.length = 0; 1495 mbx.res.length = 0; 1496 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1497 return error; 1498 1499 sc->audio_status = CD_AS_PLAY_COMPLETED; 1500 return 0; 1501 } 1502 1503 int 1504 mcd_getqchan(sc, q, qchn) 1505 struct mcd_softc *sc; 1506 union mcd_qchninfo *q; 1507 int qchn; 1508 { 1509 struct mcd_mbox mbx; 1510 int error; 1511 1512 if (qchn == CD_TRACK_INFO) { 1513 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1514 return error; 1515 } else { 1516 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1517 return error; 1518 } 1519 if (qchn == CD_MEDIA_CATALOG) { 1520 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1521 return error; 1522 } else { 1523 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1524 return error; 1525 } 1526 1527 mbx.cmd.opcode = MCD_CMDGETQCHN; 1528 mbx.cmd.length = 0; 1529 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1530 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1531 return error; 1532 1533 *q = mbx.res.data.qchninfo; 1534 return 0; 1535 } 1536 1537 int 1538 mcd_read_subchannel(sc, ch) 1539 struct mcd_softc *sc; 1540 struct ioc_read_subchannel *ch; 1541 { 1542 int len = ch->data_len; 1543 union mcd_qchninfo q; 1544 struct cd_sub_channel_info data; 1545 daddr_t lba; 1546 int error; 1547 1548 if (sc->debug) 1549 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1550 ch->address_format, ch->data_format); 1551 1552 if (len > sizeof(data) || 1553 len < sizeof(struct cd_sub_channel_header)) 1554 return EINVAL; 1555 if (ch->address_format != CD_MSF_FORMAT && 1556 ch->address_format != CD_LBA_FORMAT) 1557 return EINVAL; 1558 if (ch->data_format != CD_CURRENT_POSITION && 1559 ch->data_format != CD_MEDIA_CATALOG) 1560 return EINVAL; 1561 1562 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1563 return error; 1564 1565 data.header.audio_status = sc->audio_status; 1566 data.what.media_catalog.data_format = ch->data_format; 1567 1568 switch (ch->data_format) { 1569 case CD_MEDIA_CATALOG: 1570 data.what.media_catalog.mc_valid = 1; 1571 #if 0 1572 data.what.media_catalog.mc_number = 1573 #endif 1574 break; 1575 1576 case CD_CURRENT_POSITION: 1577 data.what.position.track_number = bcd2bin(q.current.trk_no); 1578 data.what.position.index_number = bcd2bin(q.current.idx_no); 1579 switch (ch->address_format) { 1580 case CD_MSF_FORMAT: 1581 data.what.position.reladdr.addr[0] = 0; 1582 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1583 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1584 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1585 data.what.position.absaddr.addr[0] = 0; 1586 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1587 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1588 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1589 break; 1590 case CD_LBA_FORMAT: 1591 lba = msf2hsg(q.current.relative_pos, 1); 1592 /* 1593 * Pre-gap has index number of 0, and decreasing MSF 1594 * address. Must be converted to negative LBA, per 1595 * SCSI spec. 1596 */ 1597 if (data.what.position.index_number == 0x00) 1598 lba = -lba; 1599 data.what.position.reladdr.addr[0] = lba >> 24; 1600 data.what.position.reladdr.addr[1] = lba >> 16; 1601 data.what.position.reladdr.addr[2] = lba >> 8; 1602 data.what.position.reladdr.addr[3] = lba; 1603 lba = msf2hsg(q.current.absolute_pos, 0); 1604 data.what.position.absaddr.addr[0] = lba >> 24; 1605 data.what.position.absaddr.addr[1] = lba >> 16; 1606 data.what.position.absaddr.addr[2] = lba >> 8; 1607 data.what.position.absaddr.addr[3] = lba; 1608 break; 1609 } 1610 break; 1611 } 1612 1613 return copyout(&data, ch->data, len); 1614 } 1615 1616 int 1617 mcd_playtracks(sc, p) 1618 struct mcd_softc *sc; 1619 struct ioc_play_track *p; 1620 { 1621 struct mcd_mbox mbx; 1622 int a = p->start_track; 1623 int z = p->end_track; 1624 int error; 1625 1626 if (sc->debug) 1627 printf("%s: playtracks: from %d:%d to %d:%d\n", 1628 sc->sc_dev.dv_xname, 1629 a, p->start_index, z, p->end_index); 1630 1631 if (a < bcd2bin(sc->volinfo.trk_low) || 1632 a > bcd2bin(sc->volinfo.trk_high) || 1633 a > z || 1634 z < bcd2bin(sc->volinfo.trk_low) || 1635 z > bcd2bin(sc->volinfo.trk_high)) 1636 return EINVAL; 1637 1638 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1639 return error; 1640 1641 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1642 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1643 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1644 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1645 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1646 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1647 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1648 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1649 sc->lastpb = mbx.cmd; 1650 mbx.res.length = 0; 1651 return mcd_send(sc, &mbx, 1); 1652 } 1653 1654 int 1655 mcd_playmsf(sc, p) 1656 struct mcd_softc *sc; 1657 struct ioc_play_msf *p; 1658 { 1659 struct mcd_mbox mbx; 1660 int error; 1661 1662 if (sc->debug) 1663 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1664 sc->sc_dev.dv_xname, 1665 p->start_m, p->start_s, p->start_f, 1666 p->end_m, p->end_s, p->end_f); 1667 1668 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1669 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1670 return EINVAL; 1671 1672 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1673 return error; 1674 1675 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1676 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1677 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1678 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1679 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1680 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1681 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1682 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1683 sc->lastpb = mbx.cmd; 1684 mbx.res.length = 0; 1685 return mcd_send(sc, &mbx, 1); 1686 } 1687 1688 int 1689 mcd_playblocks(sc, p) 1690 struct mcd_softc *sc; 1691 struct ioc_play_blocks *p; 1692 { 1693 struct mcd_mbox mbx; 1694 int error; 1695 1696 if (sc->debug) 1697 printf("%s: playblocks: blkno %d length %d\n", 1698 sc->sc_dev.dv_xname, p->blk, p->len); 1699 1700 if (p->blk > sc->disksize || p->len > sc->disksize || 1701 (p->blk + p->len) > sc->disksize) 1702 return 0; 1703 1704 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1705 return error; 1706 1707 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1708 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1709 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1710 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1711 sc->lastpb = mbx.cmd; 1712 mbx.res.length = 0; 1713 return mcd_send(sc, &mbx, 1); 1714 } 1715 1716 int 1717 mcd_pause(sc) 1718 struct mcd_softc *sc; 1719 { 1720 union mcd_qchninfo q; 1721 int error; 1722 1723 /* Verify current status. */ 1724 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1725 printf("%s: pause: attempted when not playing\n", 1726 sc->sc_dev.dv_xname); 1727 return EINVAL; 1728 } 1729 1730 /* Get the current position. */ 1731 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1732 return error; 1733 1734 /* Copy it into lastpb. */ 1735 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1736 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1737 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1738 1739 /* Stop playing. */ 1740 if ((error = mcd_stop(sc)) != 0) 1741 return error; 1742 1743 /* Set the proper status and exit. */ 1744 sc->audio_status = CD_AS_PLAY_PAUSED; 1745 return 0; 1746 } 1747 1748 int 1749 mcd_resume(sc) 1750 struct mcd_softc *sc; 1751 { 1752 struct mcd_mbox mbx; 1753 int error; 1754 1755 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1756 return EINVAL; 1757 1758 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1759 return error; 1760 1761 mbx.cmd = sc->lastpb; 1762 mbx.res.length = 0; 1763 return mcd_send(sc, &mbx, 1); 1764 } 1765 1766 int 1767 mcd_eject(sc) 1768 struct mcd_softc *sc; 1769 { 1770 struct mcd_mbox mbx; 1771 1772 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1773 mbx.cmd.length = 0; 1774 mbx.res.length = 0; 1775 return mcd_send(sc, &mbx, 0); 1776 } 1777 1778 int 1779 mcd_setlock(sc, mode) 1780 struct mcd_softc *sc; 1781 int mode; 1782 { 1783 struct mcd_mbox mbx; 1784 1785 mbx.cmd.opcode = MCD_CMDSETLOCK; 1786 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1787 mbx.cmd.data.lockmode.mode = mode; 1788 mbx.res.length = 0; 1789 return mcd_send(sc, &mbx, 1); 1790 } 1791
Indexes created Mon Oct 13 08:09:50 GMT 2025