mcd.c revision 1.53
1 /* $NetBSD: mcd.c,v 1.53 1997/04/04 18:59:35 christos 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 *, void *, 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 struct cfdriver mcd_cd = { 189 NULL, "mcd", DV_DISK 190 }; 191 192 void mcdgetdisklabel __P((struct mcd_softc *)); 193 int mcd_get_parms __P((struct mcd_softc *)); 194 void mcdstrategy __P((struct buf *)); 195 void mcdstart __P((struct mcd_softc *)); 196 int mcdlock __P((struct mcd_softc *)); 197 void mcdunlock __P((struct mcd_softc *)); 198 void mcd_pseudointr __P((void *)); 199 200 struct dkdriver mcddkdriver = { mcdstrategy }; 201 202 #define MCD_RETRIES 3 203 #define MCD_RDRETRIES 3 204 205 /* several delays */ 206 #define RDELAY_WAITMODE 300 207 #define RDELAY_WAITREAD 800 208 209 #define DELAY_GRANULARITY 25 /* 25us */ 210 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 211 212 void 213 mcdattach(parent, self, aux) 214 struct device *parent, *self; 215 void *aux; 216 { 217 struct mcd_softc *sc = (void *)self; 218 struct isa_attach_args *ia = aux; 219 bus_space_tag_t iot = ia->ia_iot; 220 bus_space_handle_t ioh; 221 struct mcd_mbox mbx; 222 223 /* Map i/o space */ 224 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 225 panic("mcdattach: bus_space_map failed!"); 226 227 sc->sc_iot = iot; 228 sc->sc_ioh = ioh; 229 230 sc->probe = 0; 231 sc->debug = 0; 232 233 if (!mcd_find(iot, ioh, sc)) 234 panic("mcdattach: mcd_find failed!"); 235 236 /* 237 * Initialize and attach the disk structure. 238 */ 239 sc->sc_dk.dk_driver = &mcddkdriver; 240 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 241 disk_attach(&sc->sc_dk); 242 243 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 244 245 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 246 247 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 248 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 249 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 250 mbx.cmd.data.config.data1 = 0x01; 251 mbx.res.length = 0; 252 (void) mcd_send(sc, &mbx, 0); 253 254 mcd_soft_reset(sc); 255 256 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 257 IPL_BIO, mcdintr, sc); 258 } 259 260 /* 261 * Wait interruptibly for an exclusive lock. 262 * 263 * XXX 264 * Several drivers do this; it should be abstracted and made MP-safe. 265 */ 266 int 267 mcdlock(sc) 268 struct mcd_softc *sc; 269 { 270 int error; 271 272 while ((sc->flags & MCDF_LOCKED) != 0) { 273 sc->flags |= MCDF_WANTED; 274 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 275 return error; 276 } 277 sc->flags |= MCDF_LOCKED; 278 return 0; 279 } 280 281 /* 282 * Unlock and wake up any waiters. 283 */ 284 void 285 mcdunlock(sc) 286 struct mcd_softc *sc; 287 { 288 289 sc->flags &= ~MCDF_LOCKED; 290 if ((sc->flags & MCDF_WANTED) != 0) { 291 sc->flags &= ~MCDF_WANTED; 292 wakeup(sc); 293 } 294 } 295 296 int 297 mcdopen(dev, flag, fmt, p) 298 dev_t dev; 299 int flag, fmt; 300 struct proc *p; 301 { 302 int error; 303 int unit, part; 304 struct mcd_softc *sc; 305 306 unit = MCDUNIT(dev); 307 if (unit >= mcd_cd.cd_ndevs) 308 return ENXIO; 309 sc = mcd_cd.cd_devs[unit]; 310 if (!sc) 311 return ENXIO; 312 313 if ((error = mcdlock(sc)) != 0) 314 return error; 315 316 if (sc->sc_dk.dk_openmask != 0) { 317 /* 318 * If any partition is open, but the disk has been invalidated, 319 * disallow further opens. 320 */ 321 if ((sc->flags & MCDF_LOADED) == 0) { 322 error = EIO; 323 goto bad3; 324 } 325 } else { 326 /* 327 * Lock the drawer. This will also notice any pending disk 328 * change or door open indicator and clear the MCDF_LOADED bit 329 * if necessary. 330 */ 331 (void) mcd_setlock(sc, MCD_LK_LOCK); 332 333 if ((sc->flags & MCDF_LOADED) == 0) { 334 /* Partially reset the state. */ 335 sc->lastmode = MCD_MD_UNKNOWN; 336 sc->lastupc = MCD_UPC_UNKNOWN; 337 338 sc->flags |= MCDF_LOADED; 339 340 /* Set the mode, causing the disk to spin up. */ 341 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 342 goto bad2; 343 344 /* Load the physical device parameters. */ 345 if (mcd_get_parms(sc) != 0) { 346 error = ENXIO; 347 goto bad2; 348 } 349 350 /* Read the table of contents. */ 351 if ((error = mcd_read_toc(sc)) != 0) 352 goto bad2; 353 354 /* Fabricate a disk label. */ 355 mcdgetdisklabel(sc); 356 } 357 } 358 359 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 360 sc->disksize, sc->blksize, 0); 361 362 part = MCDPART(dev); 363 364 /* Check that the partition exists. */ 365 if (part != RAW_PART && 366 (part >= sc->sc_dk.dk_label->d_npartitions || 367 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 368 error = ENXIO; 369 goto bad; 370 } 371 372 /* Insure only one open at a time. */ 373 switch (fmt) { 374 case S_IFCHR: 375 sc->sc_dk.dk_copenmask |= (1 << part); 376 break; 377 case S_IFBLK: 378 sc->sc_dk.dk_bopenmask |= (1 << part); 379 break; 380 } 381 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 382 383 mcdunlock(sc); 384 return 0; 385 386 bad2: 387 sc->flags &= ~MCDF_LOADED; 388 389 bad: 390 if (sc->sc_dk.dk_openmask == 0) { 391 #if 0 392 (void) mcd_setmode(sc, MCD_MD_SLEEP); 393 #endif 394 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 395 } 396 397 bad3: 398 mcdunlock(sc); 399 return error; 400 } 401 402 int 403 mcdclose(dev, flag, fmt, p) 404 dev_t dev; 405 int flag, fmt; 406 struct proc *p; 407 { 408 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 409 int part = MCDPART(dev); 410 int error; 411 412 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 413 414 if ((error = mcdlock(sc)) != 0) 415 return error; 416 417 switch (fmt) { 418 case S_IFCHR: 419 sc->sc_dk.dk_copenmask &= ~(1 << part); 420 break; 421 case S_IFBLK: 422 sc->sc_dk.dk_bopenmask &= ~(1 << part); 423 break; 424 } 425 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 426 427 if (sc->sc_dk.dk_openmask == 0) { 428 /* XXXX Must wait for I/O to complete! */ 429 430 #if 0 431 (void) mcd_setmode(sc, MCD_MD_SLEEP); 432 #endif 433 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 434 } 435 436 mcdunlock(sc); 437 return 0; 438 } 439 440 void 441 mcdstrategy(bp) 442 struct buf *bp; 443 { 444 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 445 int s; 446 447 /* Test validity. */ 448 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 449 bp->b_blkno, bp->b_bcount, 0); 450 if (bp->b_blkno < 0 || 451 (bp->b_bcount % sc->blksize) != 0) { 452 printf("%s: strategy: blkno = %d bcount = %ld\n", 453 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 454 bp->b_error = EINVAL; 455 goto bad; 456 } 457 458 /* If device invalidated (e.g. media change, door open), error. */ 459 if ((sc->flags & MCDF_LOADED) == 0) { 460 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 461 bp->b_error = EIO; 462 goto bad; 463 } 464 465 /* No data to read. */ 466 if (bp->b_bcount == 0) 467 goto done; 468 469 /* 470 * Do bounds checking, adjust transfer. if error, process. 471 * If end of partition, just return. 472 */ 473 if (MCDPART(bp->b_dev) != RAW_PART && 474 bounds_check_with_label(bp, sc->sc_dk.dk_label, 475 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 476 goto done; 477 478 /* Queue it. */ 479 s = splbio(); 480 disksort(&sc->buf_queue, bp); 481 splx(s); 482 if (!sc->buf_queue.b_active) 483 mcdstart(sc); 484 return; 485 486 bad: 487 bp->b_flags |= B_ERROR; 488 done: 489 bp->b_resid = bp->b_bcount; 490 biodone(bp); 491 } 492 493 void 494 mcdstart(sc) 495 struct mcd_softc *sc; 496 { 497 struct buf *bp, *dp = &sc->buf_queue; 498 int s; 499 500 loop: 501 s = splbio(); 502 503 bp = dp->b_actf; 504 if (bp == NULL) { 505 /* Nothing to do. */ 506 dp->b_active = 0; 507 splx(s); 508 return; 509 } 510 511 /* Block found to process; dequeue. */ 512 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 513 dp->b_actf = bp->b_actf; 514 splx(s); 515 516 /* Changed media? */ 517 if ((sc->flags & MCDF_LOADED) == 0) { 518 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 519 bp->b_error = EIO; 520 bp->b_flags |= B_ERROR; 521 biodone(bp); 522 goto loop; 523 } 524 525 dp->b_active = 1; 526 527 /* Instrumentation. */ 528 s = splbio(); 529 disk_busy(&sc->sc_dk); 530 splx(s); 531 532 sc->mbx.retry = MCD_RDRETRIES; 533 sc->mbx.bp = bp; 534 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 535 if (MCDPART(bp->b_dev) != RAW_PART) { 536 struct partition *p; 537 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 538 sc->mbx.blkno += p->p_offset; 539 } 540 sc->mbx.nblk = bp->b_bcount / sc->blksize; 541 sc->mbx.sz = sc->blksize; 542 sc->mbx.skip = 0; 543 sc->mbx.state = MCD_S_BEGIN; 544 sc->mbx.mode = MCD_MD_COOKED; 545 546 s = splbio(); 547 (void) mcdintr(sc); 548 splx(s); 549 } 550 551 int 552 mcdread(dev, uio, flags) 553 dev_t dev; 554 struct uio *uio; 555 int flags; 556 { 557 558 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 559 } 560 561 int 562 mcdwrite(dev, uio, flags) 563 dev_t dev; 564 struct uio *uio; 565 int flags; 566 { 567 568 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 569 } 570 571 int 572 mcdioctl(dev, cmd, addr, flag, p) 573 dev_t dev; 574 u_long cmd; 575 caddr_t addr; 576 int flag; 577 struct proc *p; 578 { 579 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 580 int error; 581 582 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 583 584 if ((sc->flags & MCDF_LOADED) == 0) 585 return EIO; 586 587 switch (cmd) { 588 case DIOCGDINFO: 589 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 590 return 0; 591 592 case DIOCGPART: 593 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 594 ((struct partinfo *)addr)->part = 595 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 596 return 0; 597 598 case DIOCWDINFO: 599 case DIOCSDINFO: 600 if ((flag & FWRITE) == 0) 601 return EBADF; 602 603 if ((error = mcdlock(sc)) != 0) 604 return error; 605 sc->flags |= MCDF_LABELLING; 606 607 error = setdisklabel(sc->sc_dk.dk_label, 608 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 609 sc->sc_dk.dk_cpulabel); 610 if (error == 0) { 611 } 612 613 sc->flags &= ~MCDF_LABELLING; 614 mcdunlock(sc); 615 return error; 616 617 case DIOCWLABEL: 618 return EBADF; 619 620 case CDIOCPLAYTRACKS: 621 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 622 case CDIOCPLAYMSF: 623 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 624 case CDIOCPLAYBLOCKS: 625 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 626 case CDIOCREADSUBCHANNEL: 627 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 628 case CDIOREADTOCHEADER: 629 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 630 case CDIOREADTOCENTRYS: 631 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 632 case CDIOCSETPATCH: 633 case CDIOCGETVOL: 634 case CDIOCSETVOL: 635 case CDIOCSETMONO: 636 case CDIOCSETSTEREO: 637 case CDIOCSETMUTE: 638 case CDIOCSETLEFT: 639 case CDIOCSETRIGHT: 640 return EINVAL; 641 case CDIOCRESUME: 642 return mcd_resume(sc); 643 case CDIOCPAUSE: 644 return mcd_pause(sc); 645 case CDIOCSTART: 646 return EINVAL; 647 case CDIOCSTOP: 648 return mcd_stop(sc); 649 case CDIOCEJECT: /* FALLTHROUGH */ 650 case DIOCEJECT: 651 return mcd_eject(sc); 652 case CDIOCALLOW: 653 return mcd_setlock(sc, MCD_LK_UNLOCK); 654 case CDIOCPREVENT: 655 return mcd_setlock(sc, MCD_LK_LOCK); 656 case DIOCLOCK: 657 return mcd_setlock(sc, 658 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 659 case CDIOCSETDEBUG: 660 sc->debug = 1; 661 return 0; 662 case CDIOCCLRDEBUG: 663 sc->debug = 0; 664 return 0; 665 case CDIOCRESET: 666 return mcd_hard_reset(sc); 667 668 default: 669 return ENOTTY; 670 } 671 672 #ifdef DIAGNOSTIC 673 panic("mcdioctl: impossible"); 674 #endif 675 } 676 677 /* 678 * This could have been taken from scsi/cd.c, but it is not clear 679 * whether the scsi cd driver is linked in. 680 */ 681 void 682 mcdgetdisklabel(sc) 683 struct mcd_softc *sc; 684 { 685 struct disklabel *lp = sc->sc_dk.dk_label; 686 687 bzero(lp, sizeof(struct disklabel)); 688 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 689 690 lp->d_secsize = sc->blksize; 691 lp->d_ntracks = 1; 692 lp->d_nsectors = 100; 693 lp->d_ncylinders = (sc->disksize / 100) + 1; 694 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 695 696 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 697 lp->d_type = 0; /* XXX */ 698 strncpy(lp->d_packname, "fictitious", 16); 699 lp->d_secperunit = sc->disksize; 700 lp->d_rpm = 300; 701 lp->d_interleave = 1; 702 lp->d_flags = D_REMOVABLE; 703 704 lp->d_partitions[0].p_offset = 0; 705 lp->d_partitions[0].p_size = 706 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 707 lp->d_partitions[0].p_fstype = FS_ISO9660; 708 lp->d_partitions[RAW_PART].p_offset = 0; 709 lp->d_partitions[RAW_PART].p_size = 710 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 711 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 712 lp->d_npartitions = RAW_PART + 1; 713 714 lp->d_magic = DISKMAGIC; 715 lp->d_magic2 = DISKMAGIC; 716 lp->d_checksum = dkcksum(lp); 717 } 718 719 int 720 mcd_get_parms(sc) 721 struct mcd_softc *sc; 722 { 723 struct mcd_mbox mbx; 724 daddr_t size; 725 int error; 726 727 /* Send volume info command. */ 728 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 729 mbx.cmd.length = 0; 730 mbx.res.length = sizeof(mbx.res.data.volinfo); 731 if ((error = mcd_send(sc, &mbx, 1)) != 0) 732 return error; 733 734 if (mbx.res.data.volinfo.trk_low == 0x00 && 735 mbx.res.data.volinfo.trk_high == 0x00) 736 return EINVAL; 737 738 /* Volinfo is OK. */ 739 sc->volinfo = mbx.res.data.volinfo; 740 sc->blksize = MCD_BLKSIZE_COOKED; 741 size = msf2hsg(sc->volinfo.vol_msf, 0); 742 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 743 return 0; 744 } 745 746 int 747 mcdsize(dev) 748 dev_t dev; 749 { 750 751 /* CD-ROMs are read-only. */ 752 return -1; 753 } 754 755 int 756 mcddump(dev, blkno, va, size) 757 dev_t dev; 758 daddr_t blkno; 759 caddr_t va; 760 size_t size; 761 { 762 763 /* Not implemented. */ 764 return ENXIO; 765 } 766 767 /* 768 * Find the board and fill in the softc. 769 */ 770 int 771 mcd_find(iot, ioh, sc) 772 bus_space_tag_t iot; 773 bus_space_handle_t ioh; 774 struct mcd_softc *sc; 775 { 776 int i; 777 struct mcd_mbox mbx; 778 779 sc->sc_iot = iot; 780 sc->sc_ioh = ioh; 781 782 /* Send a reset. */ 783 bus_space_write_1(iot, ioh, MCD_RESET, 0); 784 delay(1000000); 785 /* Get any pending status and throw away. */ 786 for (i = 10; i; i--) 787 bus_space_read_1(iot, ioh, MCD_STATUS); 788 delay(1000); 789 790 /* Send get status command. */ 791 mbx.cmd.opcode = MCD_CMDGETSTAT; 792 mbx.cmd.length = 0; 793 mbx.res.length = 0; 794 if (mcd_send(sc, &mbx, 0) != 0) 795 return 0; 796 797 /* Get info about the drive. */ 798 mbx.cmd.opcode = MCD_CMDCONTINFO; 799 mbx.cmd.length = 0; 800 mbx.res.length = sizeof(mbx.res.data.continfo); 801 if (mcd_send(sc, &mbx, 0) != 0) 802 return 0; 803 804 /* 805 * The following is code which is not guaranteed to work for all 806 * drives, because the meaning of the expected 'M' is not clear 807 * (M_itsumi is an obvious assumption, but I don't trust that). 808 * Also, the original hack had a bogus condition that always 809 * returned true. 810 * 811 * Note: Which models support interrupts? >=LU005S? 812 */ 813 sc->readcmd = MCD_CMDREADSINGLESPEED; 814 switch (mbx.res.data.continfo.code) { 815 case 'M': 816 if (mbx.res.data.continfo.version <= 2) 817 sc->type = "LU002S"; 818 else if (mbx.res.data.continfo.version <= 5) 819 sc->type = "LU005S"; 820 else 821 sc->type = "LU006S"; 822 break; 823 case 'F': 824 sc->type = "FX001"; 825 break; 826 case 'D': 827 sc->type = "FX001D"; 828 sc->readcmd = MCD_CMDREADDOUBLESPEED; 829 break; 830 default: 831 #ifdef MCDDEBUG 832 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 833 sc->sc_dev.dv_xname, 834 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 835 #endif 836 sc->type = 0; 837 break; 838 } 839 840 return 1; 841 842 } 843 844 int 845 mcdprobe(parent, match, aux) 846 struct device *parent; 847 void *match, *aux; 848 { 849 struct isa_attach_args *ia = aux; 850 struct mcd_softc sc; 851 bus_space_tag_t iot = ia->ia_iot; 852 bus_space_handle_t ioh; 853 int rv; 854 855 /* Map i/o space */ 856 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 857 return 0; 858 859 sc.debug = 0; 860 sc.probe = 1; 861 862 rv = mcd_find(iot, ioh, &sc); 863 864 bus_space_unmap(iot, ioh, MCD_NPORT); 865 866 if (rv) { 867 ia->ia_iosize = MCD_NPORT; 868 ia->ia_msize = 0; 869 } 870 871 return (rv); 872 } 873 874 int 875 mcd_getreply(sc) 876 struct mcd_softc *sc; 877 { 878 bus_space_tag_t iot = sc->sc_iot; 879 bus_space_handle_t ioh = sc->sc_ioh; 880 int i; 881 882 /* Wait until xfer port senses data ready. */ 883 for (i = DELAY_GETREPLY; i; i--) { 884 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 885 MCD_XF_STATUSUNAVAIL) == 0) 886 break; 887 delay(DELAY_GRANULARITY); 888 } 889 if (!i) 890 return -1; 891 892 /* Get the data. */ 893 return bus_space_read_1(iot, ioh, MCD_STATUS); 894 } 895 896 int 897 mcd_getstat(sc) 898 struct mcd_softc *sc; 899 { 900 struct mcd_mbox mbx; 901 902 mbx.cmd.opcode = MCD_CMDGETSTAT; 903 mbx.cmd.length = 0; 904 mbx.res.length = 0; 905 return mcd_send(sc, &mbx, 1); 906 } 907 908 int 909 mcd_getresult(sc, res) 910 struct mcd_softc *sc; 911 struct mcd_result *res; 912 { 913 int i, x; 914 915 if (sc->debug) 916 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 917 res->length); 918 919 if ((x = mcd_getreply(sc)) < 0) { 920 if (sc->debug) 921 printf(" timeout\n"); 922 else if (!sc->probe) 923 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 924 return EIO; 925 } 926 if (sc->debug) 927 printf(" %02x", (u_int)x); 928 sc->status = x; 929 mcd_setflags(sc); 930 931 if ((sc->status & MCD_ST_CMDCHECK) != 0) 932 return EINVAL; 933 934 for (i = 0; i < res->length; i++) { 935 if ((x = mcd_getreply(sc)) < 0) { 936 if (sc->debug) 937 printf(" timeout\n"); 938 else 939 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 940 return EIO; 941 } 942 if (sc->debug) 943 printf(" %02x", (u_int)x); 944 res->data.raw.data[i] = x; 945 } 946 947 if (sc->debug) 948 printf(" succeeded\n"); 949 950 #ifdef MCDDEBUG 951 delay(10); 952 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 953 MCD_XF_STATUSUNAVAIL) == 0) { 954 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 955 printf("%s: got extra byte %02x during getstatus\n", 956 sc->sc_dev.dv_xname, (u_int)x); 957 delay(10); 958 } 959 #endif 960 961 return 0; 962 } 963 964 void 965 mcd_setflags(sc) 966 struct mcd_softc *sc; 967 { 968 969 /* Check flags. */ 970 if ((sc->flags & MCDF_LOADED) != 0 && 971 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 972 MCD_ST_DSKIN) { 973 if ((sc->status & MCD_ST_DOOROPEN) != 0) 974 printf("%s: door open\n", sc->sc_dev.dv_xname); 975 else if ((sc->status & MCD_ST_DSKIN) == 0) 976 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 977 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 978 printf("%s: media change\n", sc->sc_dev.dv_xname); 979 sc->flags &= ~MCDF_LOADED; 980 } 981 982 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 983 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 984 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 985 sc->audio_status == CD_AS_AUDIO_INVALID) 986 sc->audio_status = CD_AS_PLAY_COMPLETED; 987 } 988 989 int 990 mcd_send(sc, mbx, diskin) 991 struct mcd_softc *sc; 992 struct mcd_mbox *mbx; 993 int diskin; 994 { 995 int retry, i, error; 996 bus_space_tag_t iot = sc->sc_iot; 997 bus_space_handle_t ioh = sc->sc_ioh; 998 999 if (sc->debug) { 1000 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1001 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1002 for (i = 0; i < mbx->cmd.length; i++) 1003 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1004 printf("\n"); 1005 } 1006 1007 for (retry = MCD_RETRIES; retry; retry--) { 1008 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1009 for (i = 0; i < mbx->cmd.length; i++) 1010 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1011 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1012 break; 1013 if (error == EINVAL) 1014 return error; 1015 } 1016 if (!retry) 1017 return error; 1018 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1019 return EIO; 1020 1021 return 0; 1022 } 1023 1024 static int 1025 bcd2bin(b) 1026 bcd_t b; 1027 { 1028 1029 return (b >> 4) * 10 + (b & 15); 1030 } 1031 1032 static bcd_t 1033 bin2bcd(b) 1034 int b; 1035 { 1036 1037 return ((b / 10) << 4) | (b % 10); 1038 } 1039 1040 static void 1041 hsg2msf(hsg, msf) 1042 int hsg; 1043 bcd_t *msf; 1044 { 1045 1046 hsg += 150; 1047 F_msf(msf) = bin2bcd(hsg % 75); 1048 hsg /= 75; 1049 S_msf(msf) = bin2bcd(hsg % 60); 1050 hsg /= 60; 1051 M_msf(msf) = bin2bcd(hsg); 1052 } 1053 1054 static daddr_t 1055 msf2hsg(msf, relative) 1056 bcd_t *msf; 1057 int relative; 1058 { 1059 daddr_t blkno; 1060 1061 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1062 bcd2bin(S_msf(msf)) * 75 + 1063 bcd2bin(F_msf(msf)); 1064 if (!relative) 1065 blkno -= 150; 1066 return blkno; 1067 } 1068 1069 void 1070 mcd_pseudointr(v) 1071 void *v; 1072 { 1073 struct mcd_softc *sc = v; 1074 int s; 1075 1076 s = splbio(); 1077 (void) mcdintr(sc); 1078 splx(s); 1079 } 1080 1081 /* 1082 * State machine to process read requests. 1083 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1084 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1085 * MCD_S_WAITREAD: wait for read ready, read data. 1086 */ 1087 int 1088 mcdintr(arg) 1089 void *arg; 1090 { 1091 struct mcd_softc *sc = arg; 1092 struct mcd_mbx *mbx = &sc->mbx; 1093 struct buf *bp = mbx->bp; 1094 bus_space_tag_t iot = sc->sc_iot; 1095 bus_space_handle_t ioh = sc->sc_ioh; 1096 1097 int i; 1098 u_char x; 1099 bcd_t msf[3]; 1100 1101 switch (mbx->state) { 1102 case MCD_S_IDLE: 1103 return 0; 1104 1105 case MCD_S_BEGIN: 1106 tryagain: 1107 if (mbx->mode == sc->lastmode) 1108 goto firstblock; 1109 1110 sc->lastmode = MCD_MD_UNKNOWN; 1111 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1112 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1113 1114 mbx->count = RDELAY_WAITMODE; 1115 mbx->state = MCD_S_WAITMODE; 1116 1117 case MCD_S_WAITMODE: 1118 untimeout(mcd_pseudointr, sc); 1119 for (i = 20; i; i--) { 1120 x = bus_space_read_1(iot, ioh, MCD_XFER); 1121 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1122 break; 1123 delay(50); 1124 } 1125 if (i == 0) 1126 goto hold; 1127 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1128 mcd_setflags(sc); 1129 if ((sc->flags & MCDF_LOADED) == 0) 1130 goto changed; 1131 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1132 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1133 1134 sc->lastmode = mbx->mode; 1135 1136 firstblock: 1137 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1138 bp, 0, 0); 1139 1140 /* Build parameter block. */ 1141 hsg2msf(mbx->blkno, msf); 1142 1143 /* Send the read command. */ 1144 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1145 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1146 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1147 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1148 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1149 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1150 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1151 1152 mbx->count = RDELAY_WAITREAD; 1153 mbx->state = MCD_S_WAITREAD; 1154 1155 case MCD_S_WAITREAD: 1156 untimeout(mcd_pseudointr, sc); 1157 nextblock: 1158 loop: 1159 for (i = 20; i; i--) { 1160 x = bus_space_read_1(iot, ioh, MCD_XFER); 1161 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1162 goto gotblock; 1163 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1164 break; 1165 delay(50); 1166 } 1167 if (i == 0) 1168 goto hold; 1169 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1170 mcd_setflags(sc); 1171 if ((sc->flags & MCDF_LOADED) == 0) 1172 goto changed; 1173 #if 0 1174 printf("%s: got status byte %02x during read\n", 1175 sc->sc_dev.dv_xname, (u_int)sc->status); 1176 #endif 1177 goto loop; 1178 1179 gotblock: 1180 MCD_TRACE("doread: got data delay=%d\n", 1181 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1182 1183 /* Data is ready. */ 1184 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1185 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1186 bp->b_data + mbx->skip, mbx->sz); 1187 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1188 mbx->blkno += 1; 1189 mbx->skip += mbx->sz; 1190 if (--mbx->nblk > 0) 1191 goto nextblock; 1192 1193 mbx->state = MCD_S_IDLE; 1194 1195 /* Return buffer. */ 1196 bp->b_resid = 0; 1197 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1198 biodone(bp); 1199 1200 mcdstart(sc); 1201 return 1; 1202 1203 hold: 1204 if (mbx->count-- < 0) { 1205 printf("%s: timeout in state %d", 1206 sc->sc_dev.dv_xname, mbx->state); 1207 goto readerr; 1208 } 1209 1210 #if 0 1211 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1212 mbx->state); 1213 #endif 1214 timeout(mcd_pseudointr, sc, hz / 100); 1215 return -1; 1216 } 1217 1218 readerr: 1219 if (mbx->retry-- > 0) { 1220 printf("; retrying\n"); 1221 goto tryagain; 1222 } else 1223 printf("; giving up\n"); 1224 1225 changed: 1226 /* Invalidate the buffer. */ 1227 bp->b_flags |= B_ERROR; 1228 bp->b_resid = bp->b_bcount - mbx->skip; 1229 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1230 biodone(bp); 1231 1232 mcdstart(sc); 1233 return -1; 1234 1235 #ifdef notyet 1236 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1237 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1238 delay(300000); 1239 (void) mcd_getstat(sc, 1); 1240 (void) mcd_getstat(sc, 1); 1241 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1242 sc->debug = 1; /* preventive set debug mode */ 1243 #endif 1244 } 1245 1246 void 1247 mcd_soft_reset(sc) 1248 struct mcd_softc *sc; 1249 { 1250 1251 sc->debug = 0; 1252 sc->flags = 0; 1253 sc->lastmode = MCD_MD_UNKNOWN; 1254 sc->lastupc = MCD_UPC_UNKNOWN; 1255 sc->audio_status = CD_AS_AUDIO_INVALID; 1256 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1257 } 1258 1259 int 1260 mcd_hard_reset(sc) 1261 struct mcd_softc *sc; 1262 { 1263 struct mcd_mbox mbx; 1264 1265 mcd_soft_reset(sc); 1266 1267 mbx.cmd.opcode = MCD_CMDRESET; 1268 mbx.cmd.length = 0; 1269 mbx.res.length = 0; 1270 return mcd_send(sc, &mbx, 0); 1271 } 1272 1273 int 1274 mcd_setmode(sc, mode) 1275 struct mcd_softc *sc; 1276 int mode; 1277 { 1278 struct mcd_mbox mbx; 1279 int error; 1280 1281 if (sc->lastmode == mode) 1282 return 0; 1283 if (sc->debug) 1284 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1285 sc->lastmode = MCD_MD_UNKNOWN; 1286 1287 mbx.cmd.opcode = MCD_CMDSETMODE; 1288 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1289 mbx.cmd.data.datamode.mode = mode; 1290 mbx.res.length = 0; 1291 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1292 return error; 1293 1294 sc->lastmode = mode; 1295 return 0; 1296 } 1297 1298 int 1299 mcd_setupc(sc, upc) 1300 struct mcd_softc *sc; 1301 int upc; 1302 { 1303 struct mcd_mbox mbx; 1304 int error; 1305 1306 if (sc->lastupc == upc) 1307 return 0; 1308 if (sc->debug) 1309 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1310 sc->lastupc = MCD_UPC_UNKNOWN; 1311 1312 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1313 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1314 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1315 mbx.cmd.data.config.data1 = upc; 1316 mbx.res.length = 0; 1317 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1318 return error; 1319 1320 sc->lastupc = upc; 1321 return 0; 1322 } 1323 1324 int 1325 mcd_toc_header(sc, th) 1326 struct mcd_softc *sc; 1327 struct ioc_toc_header *th; 1328 { 1329 1330 if (sc->debug) 1331 printf("%s: mcd_toc_header: reading toc header\n", 1332 sc->sc_dev.dv_xname); 1333 1334 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1335 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1336 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1337 1338 return 0; 1339 } 1340 1341 int 1342 mcd_read_toc(sc) 1343 struct mcd_softc *sc; 1344 { 1345 struct ioc_toc_header th; 1346 union mcd_qchninfo q; 1347 int error, trk, idx, retry; 1348 1349 if ((error = mcd_toc_header(sc, &th)) != 0) 1350 return error; 1351 1352 if ((error = mcd_stop(sc)) != 0) 1353 return error; 1354 1355 if (sc->debug) 1356 printf("%s: read_toc: reading qchannel info\n", 1357 sc->sc_dev.dv_xname); 1358 1359 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1360 sc->toc[trk].toc.idx_no = 0x00; 1361 trk = th.ending_track - th.starting_track + 1; 1362 for (retry = 300; retry && trk > 0; retry--) { 1363 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1364 break; 1365 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1366 continue; 1367 idx = bcd2bin(q.toc.idx_no); 1368 if (idx < MCD_MAXTOCS && 1369 sc->toc[idx].toc.idx_no == 0x00) { 1370 sc->toc[idx] = q; 1371 trk--; 1372 } 1373 } 1374 1375 /* Inform the drive that we're finished so it turns off the light. */ 1376 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1377 return error; 1378 1379 if (trk != 0) 1380 return EINVAL; 1381 1382 /* Add a fake last+1 for mcd_playtracks(). */ 1383 idx = th.ending_track + 1; 1384 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1385 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1386 sc->toc[idx].toc.trk_no = 0x00; 1387 sc->toc[idx].toc.idx_no = 0xaa; 1388 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1389 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1390 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1391 1392 return 0; 1393 } 1394 1395 int 1396 mcd_toc_entries(sc, te) 1397 struct mcd_softc *sc; 1398 struct ioc_read_toc_entry *te; 1399 { 1400 int len = te->data_len; 1401 struct ret_toc { 1402 struct ioc_toc_header header; 1403 struct cd_toc_entry entries[MCD_MAXTOCS]; 1404 } data; 1405 u_char trk; 1406 daddr_t lba; 1407 int error, n; 1408 1409 if (len > sizeof(data.entries) || 1410 len < sizeof(struct cd_toc_entry)) 1411 return EINVAL; 1412 if (te->address_format != CD_MSF_FORMAT && 1413 te->address_format != CD_LBA_FORMAT) 1414 return EINVAL; 1415 1416 /* Copy the TOC header. */ 1417 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1418 return error; 1419 1420 /* Verify starting track. */ 1421 trk = te->starting_track; 1422 if (trk == 0x00) 1423 trk = data.header.starting_track; 1424 else if (trk == 0xaa) 1425 trk = data.header.ending_track + 1; 1426 else if (trk < data.header.starting_track || 1427 trk > data.header.ending_track + 1) 1428 return EINVAL; 1429 1430 /* Copy the TOC data. */ 1431 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1432 if (sc->toc[trk].toc.idx_no == 0x00) 1433 continue; 1434 data.entries[n].control = sc->toc[trk].toc.control; 1435 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1436 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1437 switch (te->address_format) { 1438 case CD_MSF_FORMAT: 1439 data.entries[n].addr[0] = 0; 1440 data.entries[n].addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1441 data.entries[n].addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1442 data.entries[n].addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1443 break; 1444 case CD_LBA_FORMAT: 1445 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1446 data.entries[n].addr[0] = lba >> 24; 1447 data.entries[n].addr[1] = lba >> 16; 1448 data.entries[n].addr[2] = lba >> 8; 1449 data.entries[n].addr[3] = lba; 1450 break; 1451 } 1452 n++; 1453 } 1454 1455 len = min(len, n * sizeof(struct cd_toc_entry)); 1456 1457 /* Copy the data back. */ 1458 return copyout(&data.entries[0], te->data, len); 1459 } 1460 1461 int 1462 mcd_stop(sc) 1463 struct mcd_softc *sc; 1464 { 1465 struct mcd_mbox mbx; 1466 int error; 1467 1468 if (sc->debug) 1469 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1470 1471 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1472 mbx.cmd.length = 0; 1473 mbx.res.length = 0; 1474 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1475 return error; 1476 1477 sc->audio_status = CD_AS_PLAY_COMPLETED; 1478 return 0; 1479 } 1480 1481 int 1482 mcd_getqchan(sc, q, qchn) 1483 struct mcd_softc *sc; 1484 union mcd_qchninfo *q; 1485 int qchn; 1486 { 1487 struct mcd_mbox mbx; 1488 int error; 1489 1490 if (qchn == CD_TRACK_INFO) { 1491 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1492 return error; 1493 } else { 1494 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1495 return error; 1496 } 1497 if (qchn == CD_MEDIA_CATALOG) { 1498 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1499 return error; 1500 } else { 1501 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1502 return error; 1503 } 1504 1505 mbx.cmd.opcode = MCD_CMDGETQCHN; 1506 mbx.cmd.length = 0; 1507 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1508 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1509 return error; 1510 1511 *q = mbx.res.data.qchninfo; 1512 return 0; 1513 } 1514 1515 int 1516 mcd_read_subchannel(sc, ch) 1517 struct mcd_softc *sc; 1518 struct ioc_read_subchannel *ch; 1519 { 1520 int len = ch->data_len; 1521 union mcd_qchninfo q; 1522 struct cd_sub_channel_info data; 1523 daddr_t lba; 1524 int error; 1525 1526 if (sc->debug) 1527 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1528 ch->address_format, ch->data_format); 1529 1530 if (len > sizeof(data) || 1531 len < sizeof(struct cd_sub_channel_header)) 1532 return EINVAL; 1533 if (ch->address_format != CD_MSF_FORMAT && 1534 ch->address_format != CD_LBA_FORMAT) 1535 return EINVAL; 1536 if (ch->data_format != CD_CURRENT_POSITION && 1537 ch->data_format != CD_MEDIA_CATALOG) 1538 return EINVAL; 1539 1540 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1541 return error; 1542 1543 data.header.audio_status = sc->audio_status; 1544 data.what.media_catalog.data_format = ch->data_format; 1545 1546 switch (ch->data_format) { 1547 case CD_MEDIA_CATALOG: 1548 data.what.media_catalog.mc_valid = 1; 1549 #if 0 1550 data.what.media_catalog.mc_number = 1551 #endif 1552 break; 1553 1554 case CD_CURRENT_POSITION: 1555 data.what.position.track_number = bcd2bin(q.current.trk_no); 1556 data.what.position.index_number = bcd2bin(q.current.idx_no); 1557 switch (ch->address_format) { 1558 case CD_MSF_FORMAT: 1559 data.what.position.reladdr[0] = 0; 1560 data.what.position.reladdr[1] = bcd2bin(q.current.relative_pos[0]); 1561 data.what.position.reladdr[2] = bcd2bin(q.current.relative_pos[1]); 1562 data.what.position.reladdr[3] = bcd2bin(q.current.relative_pos[2]); 1563 data.what.position.absaddr[0] = 0; 1564 data.what.position.absaddr[1] = bcd2bin(q.current.absolute_pos[0]); 1565 data.what.position.absaddr[2] = bcd2bin(q.current.absolute_pos[1]); 1566 data.what.position.absaddr[3] = bcd2bin(q.current.absolute_pos[2]); 1567 break; 1568 case CD_LBA_FORMAT: 1569 lba = msf2hsg(q.current.relative_pos, 1); 1570 /* 1571 * Pre-gap has index number of 0, and decreasing MSF 1572 * address. Must be converted to negative LBA, per 1573 * SCSI spec. 1574 */ 1575 if (data.what.position.index_number == 0x00) 1576 lba = -lba; 1577 data.what.position.reladdr[0] = lba >> 24; 1578 data.what.position.reladdr[1] = lba >> 16; 1579 data.what.position.reladdr[2] = lba >> 8; 1580 data.what.position.reladdr[3] = lba; 1581 lba = msf2hsg(q.current.absolute_pos, 0); 1582 data.what.position.absaddr[0] = lba >> 24; 1583 data.what.position.absaddr[1] = lba >> 16; 1584 data.what.position.absaddr[2] = lba >> 8; 1585 data.what.position.absaddr[3] = lba; 1586 break; 1587 } 1588 break; 1589 } 1590 1591 return copyout(&data, ch->data, len); 1592 } 1593 1594 int 1595 mcd_playtracks(sc, p) 1596 struct mcd_softc *sc; 1597 struct ioc_play_track *p; 1598 { 1599 struct mcd_mbox mbx; 1600 int a = p->start_track; 1601 int z = p->end_track; 1602 int error; 1603 1604 if (sc->debug) 1605 printf("%s: playtracks: from %d:%d to %d:%d\n", 1606 sc->sc_dev.dv_xname, 1607 a, p->start_index, z, p->end_index); 1608 1609 if (a < bcd2bin(sc->volinfo.trk_low) || 1610 a > bcd2bin(sc->volinfo.trk_high) || 1611 a > z || 1612 z < bcd2bin(sc->volinfo.trk_low) || 1613 z > bcd2bin(sc->volinfo.trk_high)) 1614 return EINVAL; 1615 1616 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1617 return error; 1618 1619 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1620 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1621 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1622 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1623 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1624 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1625 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1626 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1627 sc->lastpb = mbx.cmd; 1628 mbx.res.length = 0; 1629 return mcd_send(sc, &mbx, 1); 1630 } 1631 1632 int 1633 mcd_playmsf(sc, p) 1634 struct mcd_softc *sc; 1635 struct ioc_play_msf *p; 1636 { 1637 struct mcd_mbox mbx; 1638 int error; 1639 1640 if (sc->debug) 1641 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1642 sc->sc_dev.dv_xname, 1643 p->start_m, p->start_s, p->start_f, 1644 p->end_m, p->end_s, p->end_f); 1645 1646 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1647 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1648 return EINVAL; 1649 1650 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1651 return error; 1652 1653 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1654 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1655 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1656 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1657 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1658 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1659 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1660 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1661 sc->lastpb = mbx.cmd; 1662 mbx.res.length = 0; 1663 return mcd_send(sc, &mbx, 1); 1664 } 1665 1666 int 1667 mcd_playblocks(sc, p) 1668 struct mcd_softc *sc; 1669 struct ioc_play_blocks *p; 1670 { 1671 struct mcd_mbox mbx; 1672 int error; 1673 1674 if (sc->debug) 1675 printf("%s: playblocks: blkno %d length %d\n", 1676 sc->sc_dev.dv_xname, p->blk, p->len); 1677 1678 if (p->blk > sc->disksize || p->len > sc->disksize || 1679 (p->blk + p->len) > sc->disksize) 1680 return 0; 1681 1682 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1683 return error; 1684 1685 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1686 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1687 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1688 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1689 sc->lastpb = mbx.cmd; 1690 mbx.res.length = 0; 1691 return mcd_send(sc, &mbx, 1); 1692 } 1693 1694 int 1695 mcd_pause(sc) 1696 struct mcd_softc *sc; 1697 { 1698 union mcd_qchninfo q; 1699 int error; 1700 1701 /* Verify current status. */ 1702 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1703 printf("%s: pause: attempted when not playing\n", 1704 sc->sc_dev.dv_xname); 1705 return EINVAL; 1706 } 1707 1708 /* Get the current position. */ 1709 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1710 return error; 1711 1712 /* Copy it into lastpb. */ 1713 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1714 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1715 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1716 1717 /* Stop playing. */ 1718 if ((error = mcd_stop(sc)) != 0) 1719 return error; 1720 1721 /* Set the proper status and exit. */ 1722 sc->audio_status = CD_AS_PLAY_PAUSED; 1723 return 0; 1724 } 1725 1726 int 1727 mcd_resume(sc) 1728 struct mcd_softc *sc; 1729 { 1730 struct mcd_mbox mbx; 1731 int error; 1732 1733 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1734 return EINVAL; 1735 1736 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1737 return error; 1738 1739 mbx.cmd = sc->lastpb; 1740 mbx.res.length = 0; 1741 return mcd_send(sc, &mbx, 1); 1742 } 1743 1744 int 1745 mcd_eject(sc) 1746 struct mcd_softc *sc; 1747 { 1748 struct mcd_mbox mbx; 1749 1750 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1751 mbx.cmd.length = 0; 1752 mbx.res.length = 0; 1753 return mcd_send(sc, &mbx, 0); 1754 } 1755 1756 int 1757 mcd_setlock(sc, mode) 1758 struct mcd_softc *sc; 1759 int mode; 1760 { 1761 struct mcd_mbox mbx; 1762 1763 mbx.cmd.opcode = MCD_CMDSETLOCK; 1764 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1765 mbx.cmd.data.lockmode.mode = mode; 1766 mbx.res.length = 0; 1767 return mcd_send(sc, &mbx, 1); 1768 } 1769
Indexes created Tue Sep 30 07:10:03 GMT 2025