mcd.c revision 1.60
1 /* $NetBSD: mcd.c,v 1.60 1998/01/14 12:14:41 drochner 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 #ifdef __BROKEN_INDIRECT_CONFIG 182 int mcdprobe __P((struct device *, void *, void *)); 183 #else 184 int mcdprobe __P((struct device *, struct cfdata *, void *)); 185 #endif 186 void mcdattach __P((struct device *, struct device *, void *)); 187 188 struct cfattach mcd_ca = { 189 sizeof(struct mcd_softc), mcdprobe, mcdattach 190 }; 191 192 extern struct cfdriver mcd_cd; 193 194 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 195 void mcdgetdisklabel __P((struct mcd_softc *)); 196 int mcd_get_parms __P((struct mcd_softc *)); 197 void mcdstrategy __P((struct buf *)); 198 void mcdstart __P((struct mcd_softc *)); 199 int mcdlock __P((struct mcd_softc *)); 200 void mcdunlock __P((struct mcd_softc *)); 201 void mcd_pseudointr __P((void *)); 202 203 struct dkdriver mcddkdriver = { mcdstrategy }; 204 205 #define MCD_RETRIES 3 206 #define MCD_RDRETRIES 3 207 208 /* several delays */ 209 #define RDELAY_WAITMODE 300 210 #define RDELAY_WAITREAD 800 211 212 #define DELAY_GRANULARITY 25 /* 25us */ 213 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 214 215 void 216 mcdattach(parent, self, aux) 217 struct device *parent, *self; 218 void *aux; 219 { 220 struct mcd_softc *sc = (void *)self; 221 struct isa_attach_args *ia = aux; 222 bus_space_tag_t iot = ia->ia_iot; 223 bus_space_handle_t ioh; 224 struct mcd_mbox mbx; 225 226 /* Map i/o space */ 227 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 228 printf(": can't map i/o space\n"); 229 return; 230 } 231 232 sc->sc_iot = iot; 233 sc->sc_ioh = ioh; 234 235 sc->probe = 0; 236 sc->debug = 0; 237 238 if (!mcd_find(iot, ioh, sc)) { 239 printf(": mcd_find failed\n"); 240 return; 241 } 242 243 /* 244 * Initialize and attach the disk structure. 245 */ 246 sc->sc_dk.dk_driver = &mcddkdriver; 247 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 248 disk_attach(&sc->sc_dk); 249 250 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 251 252 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 253 254 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 255 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 256 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 257 mbx.cmd.data.config.data1 = 0x01; 258 mbx.res.length = 0; 259 (void) mcd_send(sc, &mbx, 0); 260 261 mcd_soft_reset(sc); 262 263 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 264 IPL_BIO, mcdintr, sc); 265 } 266 267 /* 268 * Wait interruptibly for an exclusive lock. 269 * 270 * XXX 271 * Several drivers do this; it should be abstracted and made MP-safe. 272 */ 273 int 274 mcdlock(sc) 275 struct mcd_softc *sc; 276 { 277 int error; 278 279 while ((sc->flags & MCDF_LOCKED) != 0) { 280 sc->flags |= MCDF_WANTED; 281 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 282 return error; 283 } 284 sc->flags |= MCDF_LOCKED; 285 return 0; 286 } 287 288 /* 289 * Unlock and wake up any waiters. 290 */ 291 void 292 mcdunlock(sc) 293 struct mcd_softc *sc; 294 { 295 296 sc->flags &= ~MCDF_LOCKED; 297 if ((sc->flags & MCDF_WANTED) != 0) { 298 sc->flags &= ~MCDF_WANTED; 299 wakeup(sc); 300 } 301 } 302 303 int 304 mcdopen(dev, flag, fmt, p) 305 dev_t dev; 306 int flag, fmt; 307 struct proc *p; 308 { 309 int error; 310 int unit, part; 311 struct mcd_softc *sc; 312 313 unit = MCDUNIT(dev); 314 if (unit >= mcd_cd.cd_ndevs) 315 return ENXIO; 316 sc = mcd_cd.cd_devs[unit]; 317 if (!sc) 318 return ENXIO; 319 320 if ((error = mcdlock(sc)) != 0) 321 return error; 322 323 if (sc->sc_dk.dk_openmask != 0) { 324 /* 325 * If any partition is open, but the disk has been invalidated, 326 * disallow further opens. 327 */ 328 if ((sc->flags & MCDF_LOADED) == 0) { 329 error = EIO; 330 goto bad3; 331 } 332 } else { 333 /* 334 * Lock the drawer. This will also notice any pending disk 335 * change or door open indicator and clear the MCDF_LOADED bit 336 * if necessary. 337 */ 338 (void) mcd_setlock(sc, MCD_LK_LOCK); 339 340 if ((sc->flags & MCDF_LOADED) == 0) { 341 /* Partially reset the state. */ 342 sc->lastmode = MCD_MD_UNKNOWN; 343 sc->lastupc = MCD_UPC_UNKNOWN; 344 345 sc->flags |= MCDF_LOADED; 346 347 /* Set the mode, causing the disk to spin up. */ 348 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 349 goto bad2; 350 351 /* Load the physical device parameters. */ 352 if (mcd_get_parms(sc) != 0) { 353 error = ENXIO; 354 goto bad2; 355 } 356 357 /* Read the table of contents. */ 358 if ((error = mcd_read_toc(sc)) != 0) 359 goto bad2; 360 361 /* Fabricate a disk label. */ 362 mcdgetdisklabel(sc); 363 } 364 } 365 366 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 367 sc->disksize, sc->blksize, 0); 368 369 part = MCDPART(dev); 370 371 /* Check that the partition exists. */ 372 if (part != RAW_PART && 373 (part >= sc->sc_dk.dk_label->d_npartitions || 374 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 375 error = ENXIO; 376 goto bad; 377 } 378 379 /* Insure only one open at a time. */ 380 switch (fmt) { 381 case S_IFCHR: 382 sc->sc_dk.dk_copenmask |= (1 << part); 383 break; 384 case S_IFBLK: 385 sc->sc_dk.dk_bopenmask |= (1 << part); 386 break; 387 } 388 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 389 390 mcdunlock(sc); 391 return 0; 392 393 bad2: 394 sc->flags &= ~MCDF_LOADED; 395 396 bad: 397 if (sc->sc_dk.dk_openmask == 0) { 398 #if 0 399 (void) mcd_setmode(sc, MCD_MD_SLEEP); 400 #endif 401 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 402 } 403 404 bad3: 405 mcdunlock(sc); 406 return error; 407 } 408 409 int 410 mcdclose(dev, flag, fmt, p) 411 dev_t dev; 412 int flag, fmt; 413 struct proc *p; 414 { 415 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 416 int part = MCDPART(dev); 417 int error; 418 419 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 420 421 if ((error = mcdlock(sc)) != 0) 422 return error; 423 424 switch (fmt) { 425 case S_IFCHR: 426 sc->sc_dk.dk_copenmask &= ~(1 << part); 427 break; 428 case S_IFBLK: 429 sc->sc_dk.dk_bopenmask &= ~(1 << part); 430 break; 431 } 432 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 433 434 if (sc->sc_dk.dk_openmask == 0) { 435 /* XXXX Must wait for I/O to complete! */ 436 437 #if 0 438 (void) mcd_setmode(sc, MCD_MD_SLEEP); 439 #endif 440 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 441 } 442 443 mcdunlock(sc); 444 return 0; 445 } 446 447 void 448 mcdstrategy(bp) 449 struct buf *bp; 450 { 451 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 452 int s; 453 454 /* Test validity. */ 455 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 456 bp->b_blkno, bp->b_bcount, 0); 457 if (bp->b_blkno < 0 || 458 (bp->b_bcount % sc->blksize) != 0) { 459 printf("%s: strategy: blkno = %d bcount = %ld\n", 460 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 461 bp->b_error = EINVAL; 462 goto bad; 463 } 464 465 /* If device invalidated (e.g. media change, door open), error. */ 466 if ((sc->flags & MCDF_LOADED) == 0) { 467 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 468 bp->b_error = EIO; 469 goto bad; 470 } 471 472 /* No data to read. */ 473 if (bp->b_bcount == 0) 474 goto done; 475 476 /* 477 * Do bounds checking, adjust transfer. if error, process. 478 * If end of partition, just return. 479 */ 480 if (MCDPART(bp->b_dev) != RAW_PART && 481 bounds_check_with_label(bp, sc->sc_dk.dk_label, 482 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 483 goto done; 484 485 /* Queue it. */ 486 s = splbio(); 487 disksort(&sc->buf_queue, bp); 488 splx(s); 489 if (!sc->buf_queue.b_active) 490 mcdstart(sc); 491 return; 492 493 bad: 494 bp->b_flags |= B_ERROR; 495 done: 496 bp->b_resid = bp->b_bcount; 497 biodone(bp); 498 } 499 500 void 501 mcdstart(sc) 502 struct mcd_softc *sc; 503 { 504 struct buf *bp, *dp = &sc->buf_queue; 505 int s; 506 507 loop: 508 s = splbio(); 509 510 bp = dp->b_actf; 511 if (bp == NULL) { 512 /* Nothing to do. */ 513 dp->b_active = 0; 514 splx(s); 515 return; 516 } 517 518 /* Block found to process; dequeue. */ 519 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 520 dp->b_actf = bp->b_actf; 521 splx(s); 522 523 /* Changed media? */ 524 if ((sc->flags & MCDF_LOADED) == 0) { 525 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 526 bp->b_error = EIO; 527 bp->b_flags |= B_ERROR; 528 biodone(bp); 529 goto loop; 530 } 531 532 dp->b_active = 1; 533 534 /* Instrumentation. */ 535 s = splbio(); 536 disk_busy(&sc->sc_dk); 537 splx(s); 538 539 sc->mbx.retry = MCD_RDRETRIES; 540 sc->mbx.bp = bp; 541 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 542 if (MCDPART(bp->b_dev) != RAW_PART) { 543 struct partition *p; 544 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 545 sc->mbx.blkno += p->p_offset; 546 } 547 sc->mbx.nblk = bp->b_bcount / sc->blksize; 548 sc->mbx.sz = sc->blksize; 549 sc->mbx.skip = 0; 550 sc->mbx.state = MCD_S_BEGIN; 551 sc->mbx.mode = MCD_MD_COOKED; 552 553 s = splbio(); 554 (void) mcdintr(sc); 555 splx(s); 556 } 557 558 int 559 mcdread(dev, uio, flags) 560 dev_t dev; 561 struct uio *uio; 562 int flags; 563 { 564 565 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 566 } 567 568 int 569 mcdwrite(dev, uio, flags) 570 dev_t dev; 571 struct uio *uio; 572 int flags; 573 { 574 575 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 576 } 577 578 int 579 mcdioctl(dev, cmd, addr, flag, p) 580 dev_t dev; 581 u_long cmd; 582 caddr_t addr; 583 int flag; 584 struct proc *p; 585 { 586 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 587 int error; 588 589 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 590 591 if ((sc->flags & MCDF_LOADED) == 0) 592 return EIO; 593 594 switch (cmd) { 595 case DIOCGDINFO: 596 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 597 return 0; 598 599 case DIOCGPART: 600 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 601 ((struct partinfo *)addr)->part = 602 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 603 return 0; 604 605 case DIOCWDINFO: 606 case DIOCSDINFO: 607 if ((flag & FWRITE) == 0) 608 return EBADF; 609 610 if ((error = mcdlock(sc)) != 0) 611 return error; 612 sc->flags |= MCDF_LABELLING; 613 614 error = setdisklabel(sc->sc_dk.dk_label, 615 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 616 sc->sc_dk.dk_cpulabel); 617 if (error == 0) { 618 } 619 620 sc->flags &= ~MCDF_LABELLING; 621 mcdunlock(sc); 622 return error; 623 624 case DIOCWLABEL: 625 return EBADF; 626 627 case DIOCGDEFLABEL: 628 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 629 return 0; 630 631 case CDIOCPLAYTRACKS: 632 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 633 case CDIOCPLAYMSF: 634 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 635 case CDIOCPLAYBLOCKS: 636 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 637 case CDIOCREADSUBCHANNEL: 638 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 639 case CDIOREADTOCHEADER: 640 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 641 case CDIOREADTOCENTRYS: 642 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 643 case CDIOCSETPATCH: 644 case CDIOCGETVOL: 645 case CDIOCSETVOL: 646 case CDIOCSETMONO: 647 case CDIOCSETSTEREO: 648 case CDIOCSETMUTE: 649 case CDIOCSETLEFT: 650 case CDIOCSETRIGHT: 651 return EINVAL; 652 case CDIOCRESUME: 653 return mcd_resume(sc); 654 case CDIOCPAUSE: 655 return mcd_pause(sc); 656 case CDIOCSTART: 657 return EINVAL; 658 case CDIOCSTOP: 659 return mcd_stop(sc); 660 case CDIOCEJECT: /* FALLTHROUGH */ 661 case DIOCEJECT: 662 return mcd_eject(sc); 663 case CDIOCALLOW: 664 return mcd_setlock(sc, MCD_LK_UNLOCK); 665 case CDIOCPREVENT: 666 return mcd_setlock(sc, MCD_LK_LOCK); 667 case DIOCLOCK: 668 return mcd_setlock(sc, 669 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 670 case CDIOCSETDEBUG: 671 sc->debug = 1; 672 return 0; 673 case CDIOCCLRDEBUG: 674 sc->debug = 0; 675 return 0; 676 case CDIOCRESET: 677 return mcd_hard_reset(sc); 678 679 default: 680 return ENOTTY; 681 } 682 683 #ifdef DIAGNOSTIC 684 panic("mcdioctl: impossible"); 685 #endif 686 } 687 688 void 689 mcdgetdefaultlabel(sc, lp) 690 struct mcd_softc *sc; 691 struct disklabel *lp; 692 { 693 694 bzero(lp, sizeof(struct disklabel)); 695 696 lp->d_secsize = sc->blksize; 697 lp->d_ntracks = 1; 698 lp->d_nsectors = 100; 699 lp->d_ncylinders = (sc->disksize / 100) + 1; 700 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 701 702 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 703 lp->d_type = 0; /* XXX */ 704 strncpy(lp->d_packname, "fictitious", 16); 705 lp->d_secperunit = sc->disksize; 706 lp->d_rpm = 300; 707 lp->d_interleave = 1; 708 lp->d_flags = D_REMOVABLE; 709 710 lp->d_partitions[0].p_offset = 0; 711 lp->d_partitions[0].p_size = 712 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 713 lp->d_partitions[0].p_fstype = FS_ISO9660; 714 lp->d_partitions[RAW_PART].p_offset = 0; 715 lp->d_partitions[RAW_PART].p_size = 716 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 717 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 718 lp->d_npartitions = RAW_PART + 1; 719 720 lp->d_magic = DISKMAGIC; 721 lp->d_magic2 = DISKMAGIC; 722 lp->d_checksum = dkcksum(lp); 723 } 724 725 /* 726 * This could have been taken from scsi/cd.c, but it is not clear 727 * whether the scsi cd driver is linked in. 728 */ 729 void 730 mcdgetdisklabel(sc) 731 struct mcd_softc *sc; 732 { 733 struct disklabel *lp = sc->sc_dk.dk_label; 734 735 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 736 737 mcdgetdefaultlabel(sc, lp); 738 } 739 740 int 741 mcd_get_parms(sc) 742 struct mcd_softc *sc; 743 { 744 struct mcd_mbox mbx; 745 daddr_t size; 746 int error; 747 748 /* Send volume info command. */ 749 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 750 mbx.cmd.length = 0; 751 mbx.res.length = sizeof(mbx.res.data.volinfo); 752 if ((error = mcd_send(sc, &mbx, 1)) != 0) 753 return error; 754 755 if (mbx.res.data.volinfo.trk_low == 0x00 && 756 mbx.res.data.volinfo.trk_high == 0x00) 757 return EINVAL; 758 759 /* Volinfo is OK. */ 760 sc->volinfo = mbx.res.data.volinfo; 761 sc->blksize = MCD_BLKSIZE_COOKED; 762 size = msf2hsg(sc->volinfo.vol_msf, 0); 763 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 764 return 0; 765 } 766 767 int 768 mcdsize(dev) 769 dev_t dev; 770 { 771 772 /* CD-ROMs are read-only. */ 773 return -1; 774 } 775 776 int 777 mcddump(dev, blkno, va, size) 778 dev_t dev; 779 daddr_t blkno; 780 caddr_t va; 781 size_t size; 782 { 783 784 /* Not implemented. */ 785 return ENXIO; 786 } 787 788 /* 789 * Find the board and fill in the softc. 790 */ 791 int 792 mcd_find(iot, ioh, sc) 793 bus_space_tag_t iot; 794 bus_space_handle_t ioh; 795 struct mcd_softc *sc; 796 { 797 int i; 798 struct mcd_mbox mbx; 799 800 sc->sc_iot = iot; 801 sc->sc_ioh = ioh; 802 803 /* Send a reset. */ 804 bus_space_write_1(iot, ioh, MCD_RESET, 0); 805 delay(1000000); 806 /* Get any pending status and throw away. */ 807 for (i = 10; i; i--) 808 bus_space_read_1(iot, ioh, MCD_STATUS); 809 delay(1000); 810 811 /* Send get status command. */ 812 mbx.cmd.opcode = MCD_CMDGETSTAT; 813 mbx.cmd.length = 0; 814 mbx.res.length = 0; 815 if (mcd_send(sc, &mbx, 0) != 0) 816 return 0; 817 818 /* Get info about the drive. */ 819 mbx.cmd.opcode = MCD_CMDCONTINFO; 820 mbx.cmd.length = 0; 821 mbx.res.length = sizeof(mbx.res.data.continfo); 822 if (mcd_send(sc, &mbx, 0) != 0) 823 return 0; 824 825 /* 826 * The following is code which is not guaranteed to work for all 827 * drives, because the meaning of the expected 'M' is not clear 828 * (M_itsumi is an obvious assumption, but I don't trust that). 829 * Also, the original hack had a bogus condition that always 830 * returned true. 831 * 832 * Note: Which models support interrupts? >=LU005S? 833 */ 834 sc->readcmd = MCD_CMDREADSINGLESPEED; 835 switch (mbx.res.data.continfo.code) { 836 case 'M': 837 if (mbx.res.data.continfo.version <= 2) 838 sc->type = "LU002S"; 839 else if (mbx.res.data.continfo.version <= 5) 840 sc->type = "LU005S"; 841 else 842 sc->type = "LU006S"; 843 break; 844 case 'F': 845 sc->type = "FX001"; 846 break; 847 case 'D': 848 sc->type = "FX001D"; 849 sc->readcmd = MCD_CMDREADDOUBLESPEED; 850 break; 851 default: 852 #ifdef MCDDEBUG 853 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 854 sc->sc_dev.dv_xname, 855 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 856 #endif 857 sc->type = 0; 858 break; 859 } 860 861 return 1; 862 863 } 864 865 int 866 mcdprobe(parent, match, aux) 867 struct device *parent; 868 #ifdef __BROKEN_INDIRECT_CONFIG 869 void *match; 870 #else 871 struct cfdata *match; 872 #endif 873 void *aux; 874 { 875 struct isa_attach_args *ia = aux; 876 struct mcd_softc sc; 877 bus_space_tag_t iot = ia->ia_iot; 878 bus_space_handle_t ioh; 879 int rv; 880 881 /* Disallow wildcarded i/o address. */ 882 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 883 return (0); 884 885 /* Map i/o space */ 886 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 887 return 0; 888 889 sc.debug = 0; 890 sc.probe = 1; 891 892 rv = mcd_find(iot, ioh, &sc); 893 894 bus_space_unmap(iot, ioh, MCD_NPORT); 895 896 if (rv) { 897 ia->ia_iosize = MCD_NPORT; 898 ia->ia_msize = 0; 899 } 900 901 return (rv); 902 } 903 904 int 905 mcd_getreply(sc) 906 struct mcd_softc *sc; 907 { 908 bus_space_tag_t iot = sc->sc_iot; 909 bus_space_handle_t ioh = sc->sc_ioh; 910 int i; 911 912 /* Wait until xfer port senses data ready. */ 913 for (i = DELAY_GETREPLY; i; i--) { 914 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 915 MCD_XF_STATUSUNAVAIL) == 0) 916 break; 917 delay(DELAY_GRANULARITY); 918 } 919 if (!i) 920 return -1; 921 922 /* Get the data. */ 923 return bus_space_read_1(iot, ioh, MCD_STATUS); 924 } 925 926 int 927 mcd_getstat(sc) 928 struct mcd_softc *sc; 929 { 930 struct mcd_mbox mbx; 931 932 mbx.cmd.opcode = MCD_CMDGETSTAT; 933 mbx.cmd.length = 0; 934 mbx.res.length = 0; 935 return mcd_send(sc, &mbx, 1); 936 } 937 938 int 939 mcd_getresult(sc, res) 940 struct mcd_softc *sc; 941 struct mcd_result *res; 942 { 943 int i, x; 944 945 if (sc->debug) 946 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 947 res->length); 948 949 if ((x = mcd_getreply(sc)) < 0) { 950 if (sc->debug) 951 printf(" timeout\n"); 952 else if (!sc->probe) 953 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 954 return EIO; 955 } 956 if (sc->debug) 957 printf(" %02x", (u_int)x); 958 sc->status = x; 959 mcd_setflags(sc); 960 961 if ((sc->status & MCD_ST_CMDCHECK) != 0) 962 return EINVAL; 963 964 for (i = 0; i < res->length; i++) { 965 if ((x = mcd_getreply(sc)) < 0) { 966 if (sc->debug) 967 printf(" timeout\n"); 968 else 969 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 970 return EIO; 971 } 972 if (sc->debug) 973 printf(" %02x", (u_int)x); 974 res->data.raw.data[i] = x; 975 } 976 977 if (sc->debug) 978 printf(" succeeded\n"); 979 980 #ifdef MCDDEBUG 981 delay(10); 982 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 983 MCD_XF_STATUSUNAVAIL) == 0) { 984 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 985 printf("%s: got extra byte %02x during getstatus\n", 986 sc->sc_dev.dv_xname, (u_int)x); 987 delay(10); 988 } 989 #endif 990 991 return 0; 992 } 993 994 void 995 mcd_setflags(sc) 996 struct mcd_softc *sc; 997 { 998 999 /* Check flags. */ 1000 if ((sc->flags & MCDF_LOADED) != 0 && 1001 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1002 MCD_ST_DSKIN) { 1003 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1004 printf("%s: door open\n", sc->sc_dev.dv_xname); 1005 else if ((sc->status & MCD_ST_DSKIN) == 0) 1006 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1007 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1008 printf("%s: media change\n", sc->sc_dev.dv_xname); 1009 sc->flags &= ~MCDF_LOADED; 1010 } 1011 1012 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1013 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1014 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1015 sc->audio_status == CD_AS_AUDIO_INVALID) 1016 sc->audio_status = CD_AS_PLAY_COMPLETED; 1017 } 1018 1019 int 1020 mcd_send(sc, mbx, diskin) 1021 struct mcd_softc *sc; 1022 struct mcd_mbox *mbx; 1023 int diskin; 1024 { 1025 int retry, i, error; 1026 bus_space_tag_t iot = sc->sc_iot; 1027 bus_space_handle_t ioh = sc->sc_ioh; 1028 1029 if (sc->debug) { 1030 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1031 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1032 for (i = 0; i < mbx->cmd.length; i++) 1033 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1034 printf("\n"); 1035 } 1036 1037 for (retry = MCD_RETRIES; retry; retry--) { 1038 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1039 for (i = 0; i < mbx->cmd.length; i++) 1040 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1041 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1042 break; 1043 if (error == EINVAL) 1044 return error; 1045 } 1046 if (!retry) 1047 return error; 1048 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1049 return EIO; 1050 1051 return 0; 1052 } 1053 1054 static int 1055 bcd2bin(b) 1056 bcd_t b; 1057 { 1058 1059 return (b >> 4) * 10 + (b & 15); 1060 } 1061 1062 static bcd_t 1063 bin2bcd(b) 1064 int b; 1065 { 1066 1067 return ((b / 10) << 4) | (b % 10); 1068 } 1069 1070 static void 1071 hsg2msf(hsg, msf) 1072 int hsg; 1073 bcd_t *msf; 1074 { 1075 1076 hsg += 150; 1077 F_msf(msf) = bin2bcd(hsg % 75); 1078 hsg /= 75; 1079 S_msf(msf) = bin2bcd(hsg % 60); 1080 hsg /= 60; 1081 M_msf(msf) = bin2bcd(hsg); 1082 } 1083 1084 static daddr_t 1085 msf2hsg(msf, relative) 1086 bcd_t *msf; 1087 int relative; 1088 { 1089 daddr_t blkno; 1090 1091 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1092 bcd2bin(S_msf(msf)) * 75 + 1093 bcd2bin(F_msf(msf)); 1094 if (!relative) 1095 blkno -= 150; 1096 return blkno; 1097 } 1098 1099 void 1100 mcd_pseudointr(v) 1101 void *v; 1102 { 1103 struct mcd_softc *sc = v; 1104 int s; 1105 1106 s = splbio(); 1107 (void) mcdintr(sc); 1108 splx(s); 1109 } 1110 1111 /* 1112 * State machine to process read requests. 1113 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1114 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1115 * MCD_S_WAITREAD: wait for read ready, read data. 1116 */ 1117 int 1118 mcdintr(arg) 1119 void *arg; 1120 { 1121 struct mcd_softc *sc = arg; 1122 struct mcd_mbx *mbx = &sc->mbx; 1123 struct buf *bp = mbx->bp; 1124 bus_space_tag_t iot = sc->sc_iot; 1125 bus_space_handle_t ioh = sc->sc_ioh; 1126 1127 int i; 1128 u_char x; 1129 bcd_t msf[3]; 1130 1131 switch (mbx->state) { 1132 case MCD_S_IDLE: 1133 return 0; 1134 1135 case MCD_S_BEGIN: 1136 tryagain: 1137 if (mbx->mode == sc->lastmode) 1138 goto firstblock; 1139 1140 sc->lastmode = MCD_MD_UNKNOWN; 1141 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1142 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1143 1144 mbx->count = RDELAY_WAITMODE; 1145 mbx->state = MCD_S_WAITMODE; 1146 1147 case MCD_S_WAITMODE: 1148 untimeout(mcd_pseudointr, sc); 1149 for (i = 20; i; i--) { 1150 x = bus_space_read_1(iot, ioh, MCD_XFER); 1151 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1152 break; 1153 delay(50); 1154 } 1155 if (i == 0) 1156 goto hold; 1157 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1158 mcd_setflags(sc); 1159 if ((sc->flags & MCDF_LOADED) == 0) 1160 goto changed; 1161 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1162 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1163 1164 sc->lastmode = mbx->mode; 1165 1166 firstblock: 1167 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1168 bp, 0, 0); 1169 1170 /* Build parameter block. */ 1171 hsg2msf(mbx->blkno, msf); 1172 1173 /* Send the read command. */ 1174 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1175 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1176 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1177 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1178 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1179 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1180 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1181 1182 mbx->count = RDELAY_WAITREAD; 1183 mbx->state = MCD_S_WAITREAD; 1184 1185 case MCD_S_WAITREAD: 1186 untimeout(mcd_pseudointr, sc); 1187 nextblock: 1188 loop: 1189 for (i = 20; i; i--) { 1190 x = bus_space_read_1(iot, ioh, MCD_XFER); 1191 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1192 goto gotblock; 1193 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1194 break; 1195 delay(50); 1196 } 1197 if (i == 0) 1198 goto hold; 1199 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1200 mcd_setflags(sc); 1201 if ((sc->flags & MCDF_LOADED) == 0) 1202 goto changed; 1203 #if 0 1204 printf("%s: got status byte %02x during read\n", 1205 sc->sc_dev.dv_xname, (u_int)sc->status); 1206 #endif 1207 goto loop; 1208 1209 gotblock: 1210 MCD_TRACE("doread: got data delay=%d\n", 1211 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1212 1213 /* Data is ready. */ 1214 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1215 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1216 bp->b_data + mbx->skip, mbx->sz); 1217 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1218 mbx->blkno += 1; 1219 mbx->skip += mbx->sz; 1220 if (--mbx->nblk > 0) 1221 goto nextblock; 1222 1223 mbx->state = MCD_S_IDLE; 1224 1225 /* Return buffer. */ 1226 bp->b_resid = 0; 1227 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1228 biodone(bp); 1229 1230 mcdstart(sc); 1231 return 1; 1232 1233 hold: 1234 if (mbx->count-- < 0) { 1235 printf("%s: timeout in state %d", 1236 sc->sc_dev.dv_xname, mbx->state); 1237 goto readerr; 1238 } 1239 1240 #if 0 1241 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1242 mbx->state); 1243 #endif 1244 timeout(mcd_pseudointr, sc, hz / 100); 1245 return -1; 1246 } 1247 1248 readerr: 1249 if (mbx->retry-- > 0) { 1250 printf("; retrying\n"); 1251 goto tryagain; 1252 } else 1253 printf("; giving up\n"); 1254 1255 changed: 1256 /* Invalidate the buffer. */ 1257 bp->b_flags |= B_ERROR; 1258 bp->b_resid = bp->b_bcount - mbx->skip; 1259 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1260 biodone(bp); 1261 1262 mcdstart(sc); 1263 return -1; 1264 1265 #ifdef notyet 1266 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1267 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1268 delay(300000); 1269 (void) mcd_getstat(sc, 1); 1270 (void) mcd_getstat(sc, 1); 1271 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1272 sc->debug = 1; /* preventive set debug mode */ 1273 #endif 1274 } 1275 1276 void 1277 mcd_soft_reset(sc) 1278 struct mcd_softc *sc; 1279 { 1280 1281 sc->debug = 0; 1282 sc->flags = 0; 1283 sc->lastmode = MCD_MD_UNKNOWN; 1284 sc->lastupc = MCD_UPC_UNKNOWN; 1285 sc->audio_status = CD_AS_AUDIO_INVALID; 1286 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1287 } 1288 1289 int 1290 mcd_hard_reset(sc) 1291 struct mcd_softc *sc; 1292 { 1293 struct mcd_mbox mbx; 1294 1295 mcd_soft_reset(sc); 1296 1297 mbx.cmd.opcode = MCD_CMDRESET; 1298 mbx.cmd.length = 0; 1299 mbx.res.length = 0; 1300 return mcd_send(sc, &mbx, 0); 1301 } 1302 1303 int 1304 mcd_setmode(sc, mode) 1305 struct mcd_softc *sc; 1306 int mode; 1307 { 1308 struct mcd_mbox mbx; 1309 int error; 1310 1311 if (sc->lastmode == mode) 1312 return 0; 1313 if (sc->debug) 1314 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1315 sc->lastmode = MCD_MD_UNKNOWN; 1316 1317 mbx.cmd.opcode = MCD_CMDSETMODE; 1318 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1319 mbx.cmd.data.datamode.mode = mode; 1320 mbx.res.length = 0; 1321 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1322 return error; 1323 1324 sc->lastmode = mode; 1325 return 0; 1326 } 1327 1328 int 1329 mcd_setupc(sc, upc) 1330 struct mcd_softc *sc; 1331 int upc; 1332 { 1333 struct mcd_mbox mbx; 1334 int error; 1335 1336 if (sc->lastupc == upc) 1337 return 0; 1338 if (sc->debug) 1339 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1340 sc->lastupc = MCD_UPC_UNKNOWN; 1341 1342 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1343 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1344 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1345 mbx.cmd.data.config.data1 = upc; 1346 mbx.res.length = 0; 1347 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1348 return error; 1349 1350 sc->lastupc = upc; 1351 return 0; 1352 } 1353 1354 int 1355 mcd_toc_header(sc, th) 1356 struct mcd_softc *sc; 1357 struct ioc_toc_header *th; 1358 { 1359 1360 if (sc->debug) 1361 printf("%s: mcd_toc_header: reading toc header\n", 1362 sc->sc_dev.dv_xname); 1363 1364 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1365 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1366 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1367 1368 return 0; 1369 } 1370 1371 int 1372 mcd_read_toc(sc) 1373 struct mcd_softc *sc; 1374 { 1375 struct ioc_toc_header th; 1376 union mcd_qchninfo q; 1377 int error, trk, idx, retry; 1378 1379 if ((error = mcd_toc_header(sc, &th)) != 0) 1380 return error; 1381 1382 if ((error = mcd_stop(sc)) != 0) 1383 return error; 1384 1385 if (sc->debug) 1386 printf("%s: read_toc: reading qchannel info\n", 1387 sc->sc_dev.dv_xname); 1388 1389 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1390 sc->toc[trk].toc.idx_no = 0x00; 1391 trk = th.ending_track - th.starting_track + 1; 1392 for (retry = 300; retry && trk > 0; retry--) { 1393 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1394 break; 1395 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1396 continue; 1397 idx = bcd2bin(q.toc.idx_no); 1398 if (idx < MCD_MAXTOCS && 1399 sc->toc[idx].toc.idx_no == 0x00) { 1400 sc->toc[idx] = q; 1401 trk--; 1402 } 1403 } 1404 1405 /* Inform the drive that we're finished so it turns off the light. */ 1406 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1407 return error; 1408 1409 if (trk != 0) 1410 return EINVAL; 1411 1412 /* Add a fake last+1 for mcd_playtracks(). */ 1413 idx = th.ending_track + 1; 1414 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1415 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1416 sc->toc[idx].toc.trk_no = 0x00; 1417 sc->toc[idx].toc.idx_no = 0xaa; 1418 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1419 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1420 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1421 1422 return 0; 1423 } 1424 1425 int 1426 mcd_toc_entries(sc, te) 1427 struct mcd_softc *sc; 1428 struct ioc_read_toc_entry *te; 1429 { 1430 int len = te->data_len; 1431 struct ret_toc { 1432 struct ioc_toc_header header; 1433 struct cd_toc_entry entries[MCD_MAXTOCS]; 1434 } data; 1435 u_char trk; 1436 daddr_t lba; 1437 int error, n; 1438 1439 if (len > sizeof(data.entries) || 1440 len < sizeof(struct cd_toc_entry)) 1441 return EINVAL; 1442 if (te->address_format != CD_MSF_FORMAT && 1443 te->address_format != CD_LBA_FORMAT) 1444 return EINVAL; 1445 1446 /* Copy the TOC header. */ 1447 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1448 return error; 1449 1450 /* Verify starting track. */ 1451 trk = te->starting_track; 1452 if (trk == 0x00) 1453 trk = data.header.starting_track; 1454 else if (trk == 0xaa) 1455 trk = data.header.ending_track + 1; 1456 else if (trk < data.header.starting_track || 1457 trk > data.header.ending_track + 1) 1458 return EINVAL; 1459 1460 /* Copy the TOC data. */ 1461 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1462 if (sc->toc[trk].toc.idx_no == 0x00) 1463 continue; 1464 data.entries[n].control = sc->toc[trk].toc.control; 1465 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1466 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1467 switch (te->address_format) { 1468 case CD_MSF_FORMAT: 1469 data.entries[n].addr.addr[0] = 0; 1470 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1471 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1472 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1473 break; 1474 case CD_LBA_FORMAT: 1475 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1476 data.entries[n].addr.addr[0] = lba >> 24; 1477 data.entries[n].addr.addr[1] = lba >> 16; 1478 data.entries[n].addr.addr[2] = lba >> 8; 1479 data.entries[n].addr.addr[3] = lba; 1480 break; 1481 } 1482 n++; 1483 } 1484 1485 len = min(len, n * sizeof(struct cd_toc_entry)); 1486 1487 /* Copy the data back. */ 1488 return copyout(&data.entries[0], te->data, len); 1489 } 1490 1491 int 1492 mcd_stop(sc) 1493 struct mcd_softc *sc; 1494 { 1495 struct mcd_mbox mbx; 1496 int error; 1497 1498 if (sc->debug) 1499 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1500 1501 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1502 mbx.cmd.length = 0; 1503 mbx.res.length = 0; 1504 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1505 return error; 1506 1507 sc->audio_status = CD_AS_PLAY_COMPLETED; 1508 return 0; 1509 } 1510 1511 int 1512 mcd_getqchan(sc, q, qchn) 1513 struct mcd_softc *sc; 1514 union mcd_qchninfo *q; 1515 int qchn; 1516 { 1517 struct mcd_mbox mbx; 1518 int error; 1519 1520 if (qchn == CD_TRACK_INFO) { 1521 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1522 return error; 1523 } else { 1524 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1525 return error; 1526 } 1527 if (qchn == CD_MEDIA_CATALOG) { 1528 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1529 return error; 1530 } else { 1531 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1532 return error; 1533 } 1534 1535 mbx.cmd.opcode = MCD_CMDGETQCHN; 1536 mbx.cmd.length = 0; 1537 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1538 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1539 return error; 1540 1541 *q = mbx.res.data.qchninfo; 1542 return 0; 1543 } 1544 1545 int 1546 mcd_read_subchannel(sc, ch) 1547 struct mcd_softc *sc; 1548 struct ioc_read_subchannel *ch; 1549 { 1550 int len = ch->data_len; 1551 union mcd_qchninfo q; 1552 struct cd_sub_channel_info data; 1553 daddr_t lba; 1554 int error; 1555 1556 if (sc->debug) 1557 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1558 ch->address_format, ch->data_format); 1559 1560 if (len > sizeof(data) || 1561 len < sizeof(struct cd_sub_channel_header)) 1562 return EINVAL; 1563 if (ch->address_format != CD_MSF_FORMAT && 1564 ch->address_format != CD_LBA_FORMAT) 1565 return EINVAL; 1566 if (ch->data_format != CD_CURRENT_POSITION && 1567 ch->data_format != CD_MEDIA_CATALOG) 1568 return EINVAL; 1569 1570 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1571 return error; 1572 1573 data.header.audio_status = sc->audio_status; 1574 data.what.media_catalog.data_format = ch->data_format; 1575 1576 switch (ch->data_format) { 1577 case CD_MEDIA_CATALOG: 1578 data.what.media_catalog.mc_valid = 1; 1579 #if 0 1580 data.what.media_catalog.mc_number = 1581 #endif 1582 break; 1583 1584 case CD_CURRENT_POSITION: 1585 data.what.position.track_number = bcd2bin(q.current.trk_no); 1586 data.what.position.index_number = bcd2bin(q.current.idx_no); 1587 switch (ch->address_format) { 1588 case CD_MSF_FORMAT: 1589 data.what.position.reladdr.addr[0] = 0; 1590 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1591 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1592 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1593 data.what.position.absaddr.addr[0] = 0; 1594 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1595 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1596 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1597 break; 1598 case CD_LBA_FORMAT: 1599 lba = msf2hsg(q.current.relative_pos, 1); 1600 /* 1601 * Pre-gap has index number of 0, and decreasing MSF 1602 * address. Must be converted to negative LBA, per 1603 * SCSI spec. 1604 */ 1605 if (data.what.position.index_number == 0x00) 1606 lba = -lba; 1607 data.what.position.reladdr.addr[0] = lba >> 24; 1608 data.what.position.reladdr.addr[1] = lba >> 16; 1609 data.what.position.reladdr.addr[2] = lba >> 8; 1610 data.what.position.reladdr.addr[3] = lba; 1611 lba = msf2hsg(q.current.absolute_pos, 0); 1612 data.what.position.absaddr.addr[0] = lba >> 24; 1613 data.what.position.absaddr.addr[1] = lba >> 16; 1614 data.what.position.absaddr.addr[2] = lba >> 8; 1615 data.what.position.absaddr.addr[3] = lba; 1616 break; 1617 } 1618 break; 1619 } 1620 1621 return copyout(&data, ch->data, len); 1622 } 1623 1624 int 1625 mcd_playtracks(sc, p) 1626 struct mcd_softc *sc; 1627 struct ioc_play_track *p; 1628 { 1629 struct mcd_mbox mbx; 1630 int a = p->start_track; 1631 int z = p->end_track; 1632 int error; 1633 1634 if (sc->debug) 1635 printf("%s: playtracks: from %d:%d to %d:%d\n", 1636 sc->sc_dev.dv_xname, 1637 a, p->start_index, z, p->end_index); 1638 1639 if (a < bcd2bin(sc->volinfo.trk_low) || 1640 a > bcd2bin(sc->volinfo.trk_high) || 1641 a > z || 1642 z < bcd2bin(sc->volinfo.trk_low) || 1643 z > bcd2bin(sc->volinfo.trk_high)) 1644 return EINVAL; 1645 1646 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1647 return error; 1648 1649 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1650 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1651 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1652 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1653 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1654 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1655 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1656 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1657 sc->lastpb = mbx.cmd; 1658 mbx.res.length = 0; 1659 return mcd_send(sc, &mbx, 1); 1660 } 1661 1662 int 1663 mcd_playmsf(sc, p) 1664 struct mcd_softc *sc; 1665 struct ioc_play_msf *p; 1666 { 1667 struct mcd_mbox mbx; 1668 int error; 1669 1670 if (sc->debug) 1671 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1672 sc->sc_dev.dv_xname, 1673 p->start_m, p->start_s, p->start_f, 1674 p->end_m, p->end_s, p->end_f); 1675 1676 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1677 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1678 return EINVAL; 1679 1680 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1681 return error; 1682 1683 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1684 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1685 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1686 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1687 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1688 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1689 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1690 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1691 sc->lastpb = mbx.cmd; 1692 mbx.res.length = 0; 1693 return mcd_send(sc, &mbx, 1); 1694 } 1695 1696 int 1697 mcd_playblocks(sc, p) 1698 struct mcd_softc *sc; 1699 struct ioc_play_blocks *p; 1700 { 1701 struct mcd_mbox mbx; 1702 int error; 1703 1704 if (sc->debug) 1705 printf("%s: playblocks: blkno %d length %d\n", 1706 sc->sc_dev.dv_xname, p->blk, p->len); 1707 1708 if (p->blk > sc->disksize || p->len > sc->disksize || 1709 (p->blk + p->len) > sc->disksize) 1710 return 0; 1711 1712 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1713 return error; 1714 1715 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1716 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1717 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1718 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1719 sc->lastpb = mbx.cmd; 1720 mbx.res.length = 0; 1721 return mcd_send(sc, &mbx, 1); 1722 } 1723 1724 int 1725 mcd_pause(sc) 1726 struct mcd_softc *sc; 1727 { 1728 union mcd_qchninfo q; 1729 int error; 1730 1731 /* Verify current status. */ 1732 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1733 printf("%s: pause: attempted when not playing\n", 1734 sc->sc_dev.dv_xname); 1735 return EINVAL; 1736 } 1737 1738 /* Get the current position. */ 1739 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1740 return error; 1741 1742 /* Copy it into lastpb. */ 1743 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1744 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1745 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1746 1747 /* Stop playing. */ 1748 if ((error = mcd_stop(sc)) != 0) 1749 return error; 1750 1751 /* Set the proper status and exit. */ 1752 sc->audio_status = CD_AS_PLAY_PAUSED; 1753 return 0; 1754 } 1755 1756 int 1757 mcd_resume(sc) 1758 struct mcd_softc *sc; 1759 { 1760 struct mcd_mbox mbx; 1761 int error; 1762 1763 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1764 return EINVAL; 1765 1766 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1767 return error; 1768 1769 mbx.cmd = sc->lastpb; 1770 mbx.res.length = 0; 1771 return mcd_send(sc, &mbx, 1); 1772 } 1773 1774 int 1775 mcd_eject(sc) 1776 struct mcd_softc *sc; 1777 { 1778 struct mcd_mbox mbx; 1779 1780 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1781 mbx.cmd.length = 0; 1782 mbx.res.length = 0; 1783 return mcd_send(sc, &mbx, 0); 1784 } 1785 1786 int 1787 mcd_setlock(sc, mode) 1788 struct mcd_softc *sc; 1789 int mode; 1790 { 1791 struct mcd_mbox mbx; 1792 1793 mbx.cmd.opcode = MCD_CMDSETLOCK; 1794 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1795 mbx.cmd.data.lockmode.mode = mode; 1796 mbx.res.length = 0; 1797 return mcd_send(sc, &mbx, 1); 1798 } 1799
Indexes created Tue Sep 30 11:09:46 GMT 2025