mcd.c revision 1.55
1 /* $NetBSD: mcd.c,v 1.55 1997/10/08 23:10:06 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * Copyright 1993 by Holger Veit (data part) 21 * Copyright 1993 by Brian Moore (audio part) 22 * All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This software was developed by Holger Veit and Brian Moore 35 * for use with "386BSD" and similar operating systems. 36 * "Similar operating systems" includes mainly non-profit oriented 37 * systems for research and education, including but not restricted to 38 * "NetBSD", "FreeBSD", "Mach" (by CMU). 39 * 4. Neither the name of the developer(s) nor the name "386BSD" 40 * may be used to endorse or promote products derived from this 41 * software without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 */ 55 56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/ 57 58 #include <sys/types.h> 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/kernel.h> 62 #include <sys/proc.h> 63 #include <sys/conf.h> 64 #include <sys/file.h> 65 #include <sys/buf.h> 66 #include <sys/stat.h> 67 #include <sys/uio.h> 68 #include <sys/ioctl.h> 69 #include <sys/cdio.h> 70 #include <sys/errno.h> 71 #include <sys/disklabel.h> 72 #include <sys/device.h> 73 #include <sys/disk.h> 74 75 #include <machine/cpu.h> 76 #include <machine/intr.h> 77 #include <machine/bus.h> 78 79 #include <dev/isa/isavar.h> 80 #include <dev/isa/mcdreg.h> 81 82 #ifndef MCDDEBUG 83 #define MCD_TRACE(fmt,a,b,c,d) 84 #else 85 #define MCD_TRACE(fmt,a,b,c,d) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}} 86 #endif 87 88 #define MCDPART(dev) DISKPART(dev) 89 #define MCDUNIT(dev) DISKUNIT(dev) 90 91 /* toc */ 92 #define MCD_MAXTOCS 104 /* from the Linux driver */ 93 94 struct mcd_mbx { 95 int retry, count; 96 struct buf *bp; 97 daddr_t blkno; 98 int nblk; 99 int sz; 100 u_long skip; 101 int state; 102 #define MCD_S_IDLE 0 103 #define MCD_S_BEGIN 1 104 #define MCD_S_WAITMODE 2 105 #define MCD_S_WAITREAD 3 106 int mode; 107 }; 108 109 struct mcd_softc { 110 struct device sc_dev; 111 struct disk sc_dk; 112 void *sc_ih; 113 114 bus_space_tag_t sc_iot; 115 bus_space_handle_t sc_ioh; 116 117 int irq, drq; 118 119 char *type; 120 int flags; 121 #define MCDF_LOCKED 0x01 122 #define MCDF_WANTED 0x02 123 #define MCDF_WLABEL 0x04 /* label is writable */ 124 #define MCDF_LABELLING 0x08 /* writing label */ 125 #define MCDF_LOADED 0x10 /* parameters loaded */ 126 short status; 127 short audio_status; 128 int blksize; 129 u_long disksize; 130 struct mcd_volinfo volinfo; 131 union mcd_qchninfo toc[MCD_MAXTOCS]; 132 struct mcd_command lastpb; 133 struct mcd_mbx mbx; 134 int lastmode; 135 #define MCD_MD_UNKNOWN -1 136 int lastupc; 137 #define MCD_UPC_UNKNOWN -1 138 struct buf buf_queue; 139 u_char readcmd; 140 u_char debug; 141 u_char probe; 142 }; 143 144 /* prototypes */ 145 /* XXX does not belong here */ 146 cdev_decl(mcd); 147 bdev_decl(mcd); 148 149 static int bcd2bin __P((bcd_t)); 150 static bcd_t bin2bcd __P((int)); 151 static void hsg2msf __P((int, bcd_t *)); 152 static daddr_t msf2hsg __P((bcd_t *, int)); 153 154 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 155 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 156 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 157 int mcd_stop __P((struct mcd_softc *)); 158 int mcd_eject __P((struct mcd_softc *)); 159 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 160 int mcd_pause __P((struct mcd_softc *)); 161 int mcd_resume __P((struct mcd_softc *)); 162 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 163 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 164 165 int mcd_getreply __P((struct mcd_softc *)); 166 int mcd_getstat __P((struct mcd_softc *)); 167 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 168 void mcd_setflags __P((struct mcd_softc *)); 169 int mcd_get __P((struct mcd_softc *, char *, int)); 170 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 171 int mcdintr __P((void *)); 172 void mcd_soft_reset __P((struct mcd_softc *)); 173 int mcd_hard_reset __P((struct mcd_softc *)); 174 int mcd_setmode __P((struct mcd_softc *, int)); 175 int mcd_setupc __P((struct mcd_softc *, int)); 176 int mcd_read_toc __P((struct mcd_softc *)); 177 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 178 int mcd_setlock __P((struct mcd_softc *, int)); 179 180 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 181 int mcdprobe __P((struct device *, 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 mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 193 void mcdgetdisklabel __P((struct mcd_softc *)); 194 int mcd_get_parms __P((struct mcd_softc *)); 195 void mcdstrategy __P((struct buf *)); 196 void mcdstart __P((struct mcd_softc *)); 197 int mcdlock __P((struct mcd_softc *)); 198 void mcdunlock __P((struct mcd_softc *)); 199 void mcd_pseudointr __P((void *)); 200 201 struct dkdriver mcddkdriver = { mcdstrategy }; 202 203 #define MCD_RETRIES 3 204 #define MCD_RDRETRIES 3 205 206 /* several delays */ 207 #define RDELAY_WAITMODE 300 208 #define RDELAY_WAITREAD 800 209 210 #define DELAY_GRANULARITY 25 /* 25us */ 211 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 212 213 void 214 mcdattach(parent, self, aux) 215 struct device *parent, *self; 216 void *aux; 217 { 218 struct mcd_softc *sc = (void *)self; 219 struct isa_attach_args *ia = aux; 220 bus_space_tag_t iot = ia->ia_iot; 221 bus_space_handle_t ioh; 222 struct mcd_mbox mbx; 223 224 /* Map i/o space */ 225 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 226 panic("mcdattach: bus_space_map failed!"); 227 228 sc->sc_iot = iot; 229 sc->sc_ioh = ioh; 230 231 sc->probe = 0; 232 sc->debug = 0; 233 234 if (!mcd_find(iot, ioh, sc)) 235 panic("mcdattach: mcd_find failed!"); 236 237 /* 238 * Initialize and attach the disk structure. 239 */ 240 sc->sc_dk.dk_driver = &mcddkdriver; 241 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 242 disk_attach(&sc->sc_dk); 243 244 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 245 246 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 247 248 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 249 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 250 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 251 mbx.cmd.data.config.data1 = 0x01; 252 mbx.res.length = 0; 253 (void) mcd_send(sc, &mbx, 0); 254 255 mcd_soft_reset(sc); 256 257 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 258 IPL_BIO, mcdintr, sc); 259 } 260 261 /* 262 * Wait interruptibly for an exclusive lock. 263 * 264 * XXX 265 * Several drivers do this; it should be abstracted and made MP-safe. 266 */ 267 int 268 mcdlock(sc) 269 struct mcd_softc *sc; 270 { 271 int error; 272 273 while ((sc->flags & MCDF_LOCKED) != 0) { 274 sc->flags |= MCDF_WANTED; 275 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 276 return error; 277 } 278 sc->flags |= MCDF_LOCKED; 279 return 0; 280 } 281 282 /* 283 * Unlock and wake up any waiters. 284 */ 285 void 286 mcdunlock(sc) 287 struct mcd_softc *sc; 288 { 289 290 sc->flags &= ~MCDF_LOCKED; 291 if ((sc->flags & MCDF_WANTED) != 0) { 292 sc->flags &= ~MCDF_WANTED; 293 wakeup(sc); 294 } 295 } 296 297 int 298 mcdopen(dev, flag, fmt, p) 299 dev_t dev; 300 int flag, fmt; 301 struct proc *p; 302 { 303 int error; 304 int unit, part; 305 struct mcd_softc *sc; 306 307 unit = MCDUNIT(dev); 308 if (unit >= mcd_cd.cd_ndevs) 309 return ENXIO; 310 sc = mcd_cd.cd_devs[unit]; 311 if (!sc) 312 return ENXIO; 313 314 if ((error = mcdlock(sc)) != 0) 315 return error; 316 317 if (sc->sc_dk.dk_openmask != 0) { 318 /* 319 * If any partition is open, but the disk has been invalidated, 320 * disallow further opens. 321 */ 322 if ((sc->flags & MCDF_LOADED) == 0) { 323 error = EIO; 324 goto bad3; 325 } 326 } else { 327 /* 328 * Lock the drawer. This will also notice any pending disk 329 * change or door open indicator and clear the MCDF_LOADED bit 330 * if necessary. 331 */ 332 (void) mcd_setlock(sc, MCD_LK_LOCK); 333 334 if ((sc->flags & MCDF_LOADED) == 0) { 335 /* Partially reset the state. */ 336 sc->lastmode = MCD_MD_UNKNOWN; 337 sc->lastupc = MCD_UPC_UNKNOWN; 338 339 sc->flags |= MCDF_LOADED; 340 341 /* Set the mode, causing the disk to spin up. */ 342 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 343 goto bad2; 344 345 /* Load the physical device parameters. */ 346 if (mcd_get_parms(sc) != 0) { 347 error = ENXIO; 348 goto bad2; 349 } 350 351 /* Read the table of contents. */ 352 if ((error = mcd_read_toc(sc)) != 0) 353 goto bad2; 354 355 /* Fabricate a disk label. */ 356 mcdgetdisklabel(sc); 357 } 358 } 359 360 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 361 sc->disksize, sc->blksize, 0); 362 363 part = MCDPART(dev); 364 365 /* Check that the partition exists. */ 366 if (part != RAW_PART && 367 (part >= sc->sc_dk.dk_label->d_npartitions || 368 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 369 error = ENXIO; 370 goto bad; 371 } 372 373 /* Insure only one open at a time. */ 374 switch (fmt) { 375 case S_IFCHR: 376 sc->sc_dk.dk_copenmask |= (1 << part); 377 break; 378 case S_IFBLK: 379 sc->sc_dk.dk_bopenmask |= (1 << part); 380 break; 381 } 382 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 383 384 mcdunlock(sc); 385 return 0; 386 387 bad2: 388 sc->flags &= ~MCDF_LOADED; 389 390 bad: 391 if (sc->sc_dk.dk_openmask == 0) { 392 #if 0 393 (void) mcd_setmode(sc, MCD_MD_SLEEP); 394 #endif 395 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 396 } 397 398 bad3: 399 mcdunlock(sc); 400 return error; 401 } 402 403 int 404 mcdclose(dev, flag, fmt, p) 405 dev_t dev; 406 int flag, fmt; 407 struct proc *p; 408 { 409 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 410 int part = MCDPART(dev); 411 int error; 412 413 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 414 415 if ((error = mcdlock(sc)) != 0) 416 return error; 417 418 switch (fmt) { 419 case S_IFCHR: 420 sc->sc_dk.dk_copenmask &= ~(1 << part); 421 break; 422 case S_IFBLK: 423 sc->sc_dk.dk_bopenmask &= ~(1 << part); 424 break; 425 } 426 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 427 428 if (sc->sc_dk.dk_openmask == 0) { 429 /* XXXX Must wait for I/O to complete! */ 430 431 #if 0 432 (void) mcd_setmode(sc, MCD_MD_SLEEP); 433 #endif 434 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 435 } 436 437 mcdunlock(sc); 438 return 0; 439 } 440 441 void 442 mcdstrategy(bp) 443 struct buf *bp; 444 { 445 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 446 int s; 447 448 /* Test validity. */ 449 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 450 bp->b_blkno, bp->b_bcount, 0); 451 if (bp->b_blkno < 0 || 452 (bp->b_bcount % sc->blksize) != 0) { 453 printf("%s: strategy: blkno = %d bcount = %ld\n", 454 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 455 bp->b_error = EINVAL; 456 goto bad; 457 } 458 459 /* If device invalidated (e.g. media change, door open), error. */ 460 if ((sc->flags & MCDF_LOADED) == 0) { 461 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 462 bp->b_error = EIO; 463 goto bad; 464 } 465 466 /* No data to read. */ 467 if (bp->b_bcount == 0) 468 goto done; 469 470 /* 471 * Do bounds checking, adjust transfer. if error, process. 472 * If end of partition, just return. 473 */ 474 if (MCDPART(bp->b_dev) != RAW_PART && 475 bounds_check_with_label(bp, sc->sc_dk.dk_label, 476 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 477 goto done; 478 479 /* Queue it. */ 480 s = splbio(); 481 disksort(&sc->buf_queue, bp); 482 splx(s); 483 if (!sc->buf_queue.b_active) 484 mcdstart(sc); 485 return; 486 487 bad: 488 bp->b_flags |= B_ERROR; 489 done: 490 bp->b_resid = bp->b_bcount; 491 biodone(bp); 492 } 493 494 void 495 mcdstart(sc) 496 struct mcd_softc *sc; 497 { 498 struct buf *bp, *dp = &sc->buf_queue; 499 int s; 500 501 loop: 502 s = splbio(); 503 504 bp = dp->b_actf; 505 if (bp == NULL) { 506 /* Nothing to do. */ 507 dp->b_active = 0; 508 splx(s); 509 return; 510 } 511 512 /* Block found to process; dequeue. */ 513 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 514 dp->b_actf = bp->b_actf; 515 splx(s); 516 517 /* Changed media? */ 518 if ((sc->flags & MCDF_LOADED) == 0) { 519 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 520 bp->b_error = EIO; 521 bp->b_flags |= B_ERROR; 522 biodone(bp); 523 goto loop; 524 } 525 526 dp->b_active = 1; 527 528 /* Instrumentation. */ 529 s = splbio(); 530 disk_busy(&sc->sc_dk); 531 splx(s); 532 533 sc->mbx.retry = MCD_RDRETRIES; 534 sc->mbx.bp = bp; 535 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 536 if (MCDPART(bp->b_dev) != RAW_PART) { 537 struct partition *p; 538 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 539 sc->mbx.blkno += p->p_offset; 540 } 541 sc->mbx.nblk = bp->b_bcount / sc->blksize; 542 sc->mbx.sz = sc->blksize; 543 sc->mbx.skip = 0; 544 sc->mbx.state = MCD_S_BEGIN; 545 sc->mbx.mode = MCD_MD_COOKED; 546 547 s = splbio(); 548 (void) mcdintr(sc); 549 splx(s); 550 } 551 552 int 553 mcdread(dev, uio, flags) 554 dev_t dev; 555 struct uio *uio; 556 int flags; 557 { 558 559 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 560 } 561 562 int 563 mcdwrite(dev, uio, flags) 564 dev_t dev; 565 struct uio *uio; 566 int flags; 567 { 568 569 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 570 } 571 572 int 573 mcdioctl(dev, cmd, addr, flag, p) 574 dev_t dev; 575 u_long cmd; 576 caddr_t addr; 577 int flag; 578 struct proc *p; 579 { 580 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 581 int error; 582 583 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 584 585 if ((sc->flags & MCDF_LOADED) == 0) 586 return EIO; 587 588 switch (cmd) { 589 case DIOCGDINFO: 590 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 591 return 0; 592 593 case DIOCGPART: 594 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 595 ((struct partinfo *)addr)->part = 596 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 597 return 0; 598 599 case DIOCWDINFO: 600 case DIOCSDINFO: 601 if ((flag & FWRITE) == 0) 602 return EBADF; 603 604 if ((error = mcdlock(sc)) != 0) 605 return error; 606 sc->flags |= MCDF_LABELLING; 607 608 error = setdisklabel(sc->sc_dk.dk_label, 609 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 610 sc->sc_dk.dk_cpulabel); 611 if (error == 0) { 612 } 613 614 sc->flags &= ~MCDF_LABELLING; 615 mcdunlock(sc); 616 return error; 617 618 case DIOCWLABEL: 619 return EBADF; 620 621 case DIOCGDEFLABEL: 622 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 623 return 0; 624 625 case CDIOCPLAYTRACKS: 626 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 627 case CDIOCPLAYMSF: 628 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 629 case CDIOCPLAYBLOCKS: 630 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 631 case CDIOCREADSUBCHANNEL: 632 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 633 case CDIOREADTOCHEADER: 634 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 635 case CDIOREADTOCENTRYS: 636 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 637 case CDIOCSETPATCH: 638 case CDIOCGETVOL: 639 case CDIOCSETVOL: 640 case CDIOCSETMONO: 641 case CDIOCSETSTEREO: 642 case CDIOCSETMUTE: 643 case CDIOCSETLEFT: 644 case CDIOCSETRIGHT: 645 return EINVAL; 646 case CDIOCRESUME: 647 return mcd_resume(sc); 648 case CDIOCPAUSE: 649 return mcd_pause(sc); 650 case CDIOCSTART: 651 return EINVAL; 652 case CDIOCSTOP: 653 return mcd_stop(sc); 654 case CDIOCEJECT: /* FALLTHROUGH */ 655 case DIOCEJECT: 656 return mcd_eject(sc); 657 case CDIOCALLOW: 658 return mcd_setlock(sc, MCD_LK_UNLOCK); 659 case CDIOCPREVENT: 660 return mcd_setlock(sc, MCD_LK_LOCK); 661 case DIOCLOCK: 662 return mcd_setlock(sc, 663 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 664 case CDIOCSETDEBUG: 665 sc->debug = 1; 666 return 0; 667 case CDIOCCLRDEBUG: 668 sc->debug = 0; 669 return 0; 670 case CDIOCRESET: 671 return mcd_hard_reset(sc); 672 673 default: 674 return ENOTTY; 675 } 676 677 #ifdef DIAGNOSTIC 678 panic("mcdioctl: impossible"); 679 #endif 680 } 681 682 void 683 mcdgetdefaultlabel(sc, lp) 684 struct mcd_softc *sc; 685 struct disklabel *lp; 686 { 687 688 bzero(lp, sizeof(struct 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 /* 720 * This could have been taken from scsi/cd.c, but it is not clear 721 * whether the scsi cd driver is linked in. 722 */ 723 void 724 mcdgetdisklabel(sc) 725 struct mcd_softc *sc; 726 { 727 struct disklabel *lp = sc->sc_dk.dk_label; 728 729 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 730 731 mcdgetdefaultlabel(sc, lp); 732 } 733 734 int 735 mcd_get_parms(sc) 736 struct mcd_softc *sc; 737 { 738 struct mcd_mbox mbx; 739 daddr_t size; 740 int error; 741 742 /* Send volume info command. */ 743 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 744 mbx.cmd.length = 0; 745 mbx.res.length = sizeof(mbx.res.data.volinfo); 746 if ((error = mcd_send(sc, &mbx, 1)) != 0) 747 return error; 748 749 if (mbx.res.data.volinfo.trk_low == 0x00 && 750 mbx.res.data.volinfo.trk_high == 0x00) 751 return EINVAL; 752 753 /* Volinfo is OK. */ 754 sc->volinfo = mbx.res.data.volinfo; 755 sc->blksize = MCD_BLKSIZE_COOKED; 756 size = msf2hsg(sc->volinfo.vol_msf, 0); 757 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 758 return 0; 759 } 760 761 int 762 mcdsize(dev) 763 dev_t dev; 764 { 765 766 /* CD-ROMs are read-only. */ 767 return -1; 768 } 769 770 int 771 mcddump(dev, blkno, va, size) 772 dev_t dev; 773 daddr_t blkno; 774 caddr_t va; 775 size_t size; 776 { 777 778 /* Not implemented. */ 779 return ENXIO; 780 } 781 782 /* 783 * Find the board and fill in the softc. 784 */ 785 int 786 mcd_find(iot, ioh, sc) 787 bus_space_tag_t iot; 788 bus_space_handle_t ioh; 789 struct mcd_softc *sc; 790 { 791 int i; 792 struct mcd_mbox mbx; 793 794 sc->sc_iot = iot; 795 sc->sc_ioh = ioh; 796 797 /* Send a reset. */ 798 bus_space_write_1(iot, ioh, MCD_RESET, 0); 799 delay(1000000); 800 /* Get any pending status and throw away. */ 801 for (i = 10; i; i--) 802 bus_space_read_1(iot, ioh, MCD_STATUS); 803 delay(1000); 804 805 /* Send get status command. */ 806 mbx.cmd.opcode = MCD_CMDGETSTAT; 807 mbx.cmd.length = 0; 808 mbx.res.length = 0; 809 if (mcd_send(sc, &mbx, 0) != 0) 810 return 0; 811 812 /* Get info about the drive. */ 813 mbx.cmd.opcode = MCD_CMDCONTINFO; 814 mbx.cmd.length = 0; 815 mbx.res.length = sizeof(mbx.res.data.continfo); 816 if (mcd_send(sc, &mbx, 0) != 0) 817 return 0; 818 819 /* 820 * The following is code which is not guaranteed to work for all 821 * drives, because the meaning of the expected 'M' is not clear 822 * (M_itsumi is an obvious assumption, but I don't trust that). 823 * Also, the original hack had a bogus condition that always 824 * returned true. 825 * 826 * Note: Which models support interrupts? >=LU005S? 827 */ 828 sc->readcmd = MCD_CMDREADSINGLESPEED; 829 switch (mbx.res.data.continfo.code) { 830 case 'M': 831 if (mbx.res.data.continfo.version <= 2) 832 sc->type = "LU002S"; 833 else if (mbx.res.data.continfo.version <= 5) 834 sc->type = "LU005S"; 835 else 836 sc->type = "LU006S"; 837 break; 838 case 'F': 839 sc->type = "FX001"; 840 break; 841 case 'D': 842 sc->type = "FX001D"; 843 sc->readcmd = MCD_CMDREADDOUBLESPEED; 844 break; 845 default: 846 #ifdef MCDDEBUG 847 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 848 sc->sc_dev.dv_xname, 849 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 850 #endif 851 sc->type = 0; 852 break; 853 } 854 855 return 1; 856 857 } 858 859 int 860 mcdprobe(parent, match, aux) 861 struct device *parent; 862 void *match, *aux; 863 { 864 struct isa_attach_args *ia = aux; 865 struct mcd_softc sc; 866 bus_space_tag_t iot = ia->ia_iot; 867 bus_space_handle_t ioh; 868 int rv; 869 870 /* Map i/o space */ 871 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 872 return 0; 873 874 sc.debug = 0; 875 sc.probe = 1; 876 877 rv = mcd_find(iot, ioh, &sc); 878 879 bus_space_unmap(iot, ioh, MCD_NPORT); 880 881 if (rv) { 882 ia->ia_iosize = MCD_NPORT; 883 ia->ia_msize = 0; 884 } 885 886 return (rv); 887 } 888 889 int 890 mcd_getreply(sc) 891 struct mcd_softc *sc; 892 { 893 bus_space_tag_t iot = sc->sc_iot; 894 bus_space_handle_t ioh = sc->sc_ioh; 895 int i; 896 897 /* Wait until xfer port senses data ready. */ 898 for (i = DELAY_GETREPLY; i; i--) { 899 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 900 MCD_XF_STATUSUNAVAIL) == 0) 901 break; 902 delay(DELAY_GRANULARITY); 903 } 904 if (!i) 905 return -1; 906 907 /* Get the data. */ 908 return bus_space_read_1(iot, ioh, MCD_STATUS); 909 } 910 911 int 912 mcd_getstat(sc) 913 struct mcd_softc *sc; 914 { 915 struct mcd_mbox mbx; 916 917 mbx.cmd.opcode = MCD_CMDGETSTAT; 918 mbx.cmd.length = 0; 919 mbx.res.length = 0; 920 return mcd_send(sc, &mbx, 1); 921 } 922 923 int 924 mcd_getresult(sc, res) 925 struct mcd_softc *sc; 926 struct mcd_result *res; 927 { 928 int i, x; 929 930 if (sc->debug) 931 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 932 res->length); 933 934 if ((x = mcd_getreply(sc)) < 0) { 935 if (sc->debug) 936 printf(" timeout\n"); 937 else if (!sc->probe) 938 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 939 return EIO; 940 } 941 if (sc->debug) 942 printf(" %02x", (u_int)x); 943 sc->status = x; 944 mcd_setflags(sc); 945 946 if ((sc->status & MCD_ST_CMDCHECK) != 0) 947 return EINVAL; 948 949 for (i = 0; i < res->length; i++) { 950 if ((x = mcd_getreply(sc)) < 0) { 951 if (sc->debug) 952 printf(" timeout\n"); 953 else 954 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 955 return EIO; 956 } 957 if (sc->debug) 958 printf(" %02x", (u_int)x); 959 res->data.raw.data[i] = x; 960 } 961 962 if (sc->debug) 963 printf(" succeeded\n"); 964 965 #ifdef MCDDEBUG 966 delay(10); 967 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 968 MCD_XF_STATUSUNAVAIL) == 0) { 969 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 970 printf("%s: got extra byte %02x during getstatus\n", 971 sc->sc_dev.dv_xname, (u_int)x); 972 delay(10); 973 } 974 #endif 975 976 return 0; 977 } 978 979 void 980 mcd_setflags(sc) 981 struct mcd_softc *sc; 982 { 983 984 /* Check flags. */ 985 if ((sc->flags & MCDF_LOADED) != 0 && 986 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 987 MCD_ST_DSKIN) { 988 if ((sc->status & MCD_ST_DOOROPEN) != 0) 989 printf("%s: door open\n", sc->sc_dev.dv_xname); 990 else if ((sc->status & MCD_ST_DSKIN) == 0) 991 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 992 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 993 printf("%s: media change\n", sc->sc_dev.dv_xname); 994 sc->flags &= ~MCDF_LOADED; 995 } 996 997 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 998 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 999 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1000 sc->audio_status == CD_AS_AUDIO_INVALID) 1001 sc->audio_status = CD_AS_PLAY_COMPLETED; 1002 } 1003 1004 int 1005 mcd_send(sc, mbx, diskin) 1006 struct mcd_softc *sc; 1007 struct mcd_mbox *mbx; 1008 int diskin; 1009 { 1010 int retry, i, error; 1011 bus_space_tag_t iot = sc->sc_iot; 1012 bus_space_handle_t ioh = sc->sc_ioh; 1013 1014 if (sc->debug) { 1015 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1016 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1017 for (i = 0; i < mbx->cmd.length; i++) 1018 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1019 printf("\n"); 1020 } 1021 1022 for (retry = MCD_RETRIES; retry; retry--) { 1023 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1024 for (i = 0; i < mbx->cmd.length; i++) 1025 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1026 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1027 break; 1028 if (error == EINVAL) 1029 return error; 1030 } 1031 if (!retry) 1032 return error; 1033 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1034 return EIO; 1035 1036 return 0; 1037 } 1038 1039 static int 1040 bcd2bin(b) 1041 bcd_t b; 1042 { 1043 1044 return (b >> 4) * 10 + (b & 15); 1045 } 1046 1047 static bcd_t 1048 bin2bcd(b) 1049 int b; 1050 { 1051 1052 return ((b / 10) << 4) | (b % 10); 1053 } 1054 1055 static void 1056 hsg2msf(hsg, msf) 1057 int hsg; 1058 bcd_t *msf; 1059 { 1060 1061 hsg += 150; 1062 F_msf(msf) = bin2bcd(hsg % 75); 1063 hsg /= 75; 1064 S_msf(msf) = bin2bcd(hsg % 60); 1065 hsg /= 60; 1066 M_msf(msf) = bin2bcd(hsg); 1067 } 1068 1069 static daddr_t 1070 msf2hsg(msf, relative) 1071 bcd_t *msf; 1072 int relative; 1073 { 1074 daddr_t blkno; 1075 1076 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1077 bcd2bin(S_msf(msf)) * 75 + 1078 bcd2bin(F_msf(msf)); 1079 if (!relative) 1080 blkno -= 150; 1081 return blkno; 1082 } 1083 1084 void 1085 mcd_pseudointr(v) 1086 void *v; 1087 { 1088 struct mcd_softc *sc = v; 1089 int s; 1090 1091 s = splbio(); 1092 (void) mcdintr(sc); 1093 splx(s); 1094 } 1095 1096 /* 1097 * State machine to process read requests. 1098 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1099 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1100 * MCD_S_WAITREAD: wait for read ready, read data. 1101 */ 1102 int 1103 mcdintr(arg) 1104 void *arg; 1105 { 1106 struct mcd_softc *sc = arg; 1107 struct mcd_mbx *mbx = &sc->mbx; 1108 struct buf *bp = mbx->bp; 1109 bus_space_tag_t iot = sc->sc_iot; 1110 bus_space_handle_t ioh = sc->sc_ioh; 1111 1112 int i; 1113 u_char x; 1114 bcd_t msf[3]; 1115 1116 switch (mbx->state) { 1117 case MCD_S_IDLE: 1118 return 0; 1119 1120 case MCD_S_BEGIN: 1121 tryagain: 1122 if (mbx->mode == sc->lastmode) 1123 goto firstblock; 1124 1125 sc->lastmode = MCD_MD_UNKNOWN; 1126 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1127 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1128 1129 mbx->count = RDELAY_WAITMODE; 1130 mbx->state = MCD_S_WAITMODE; 1131 1132 case MCD_S_WAITMODE: 1133 untimeout(mcd_pseudointr, sc); 1134 for (i = 20; i; i--) { 1135 x = bus_space_read_1(iot, ioh, MCD_XFER); 1136 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1137 break; 1138 delay(50); 1139 } 1140 if (i == 0) 1141 goto hold; 1142 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1143 mcd_setflags(sc); 1144 if ((sc->flags & MCDF_LOADED) == 0) 1145 goto changed; 1146 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1147 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1148 1149 sc->lastmode = mbx->mode; 1150 1151 firstblock: 1152 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1153 bp, 0, 0); 1154 1155 /* Build parameter block. */ 1156 hsg2msf(mbx->blkno, msf); 1157 1158 /* Send the read command. */ 1159 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1160 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1161 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1162 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1163 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1164 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1165 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1166 1167 mbx->count = RDELAY_WAITREAD; 1168 mbx->state = MCD_S_WAITREAD; 1169 1170 case MCD_S_WAITREAD: 1171 untimeout(mcd_pseudointr, sc); 1172 nextblock: 1173 loop: 1174 for (i = 20; i; i--) { 1175 x = bus_space_read_1(iot, ioh, MCD_XFER); 1176 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1177 goto gotblock; 1178 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1179 break; 1180 delay(50); 1181 } 1182 if (i == 0) 1183 goto hold; 1184 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1185 mcd_setflags(sc); 1186 if ((sc->flags & MCDF_LOADED) == 0) 1187 goto changed; 1188 #if 0 1189 printf("%s: got status byte %02x during read\n", 1190 sc->sc_dev.dv_xname, (u_int)sc->status); 1191 #endif 1192 goto loop; 1193 1194 gotblock: 1195 MCD_TRACE("doread: got data delay=%d\n", 1196 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1197 1198 /* Data is ready. */ 1199 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1200 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1201 bp->b_data + mbx->skip, mbx->sz); 1202 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1203 mbx->blkno += 1; 1204 mbx->skip += mbx->sz; 1205 if (--mbx->nblk > 0) 1206 goto nextblock; 1207 1208 mbx->state = MCD_S_IDLE; 1209 1210 /* Return buffer. */ 1211 bp->b_resid = 0; 1212 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1213 biodone(bp); 1214 1215 mcdstart(sc); 1216 return 1; 1217 1218 hold: 1219 if (mbx->count-- < 0) { 1220 printf("%s: timeout in state %d", 1221 sc->sc_dev.dv_xname, mbx->state); 1222 goto readerr; 1223 } 1224 1225 #if 0 1226 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1227 mbx->state); 1228 #endif 1229 timeout(mcd_pseudointr, sc, hz / 100); 1230 return -1; 1231 } 1232 1233 readerr: 1234 if (mbx->retry-- > 0) { 1235 printf("; retrying\n"); 1236 goto tryagain; 1237 } else 1238 printf("; giving up\n"); 1239 1240 changed: 1241 /* Invalidate the buffer. */ 1242 bp->b_flags |= B_ERROR; 1243 bp->b_resid = bp->b_bcount - mbx->skip; 1244 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1245 biodone(bp); 1246 1247 mcdstart(sc); 1248 return -1; 1249 1250 #ifdef notyet 1251 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1252 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1253 delay(300000); 1254 (void) mcd_getstat(sc, 1); 1255 (void) mcd_getstat(sc, 1); 1256 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1257 sc->debug = 1; /* preventive set debug mode */ 1258 #endif 1259 } 1260 1261 void 1262 mcd_soft_reset(sc) 1263 struct mcd_softc *sc; 1264 { 1265 1266 sc->debug = 0; 1267 sc->flags = 0; 1268 sc->lastmode = MCD_MD_UNKNOWN; 1269 sc->lastupc = MCD_UPC_UNKNOWN; 1270 sc->audio_status = CD_AS_AUDIO_INVALID; 1271 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1272 } 1273 1274 int 1275 mcd_hard_reset(sc) 1276 struct mcd_softc *sc; 1277 { 1278 struct mcd_mbox mbx; 1279 1280 mcd_soft_reset(sc); 1281 1282 mbx.cmd.opcode = MCD_CMDRESET; 1283 mbx.cmd.length = 0; 1284 mbx.res.length = 0; 1285 return mcd_send(sc, &mbx, 0); 1286 } 1287 1288 int 1289 mcd_setmode(sc, mode) 1290 struct mcd_softc *sc; 1291 int mode; 1292 { 1293 struct mcd_mbox mbx; 1294 int error; 1295 1296 if (sc->lastmode == mode) 1297 return 0; 1298 if (sc->debug) 1299 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1300 sc->lastmode = MCD_MD_UNKNOWN; 1301 1302 mbx.cmd.opcode = MCD_CMDSETMODE; 1303 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1304 mbx.cmd.data.datamode.mode = mode; 1305 mbx.res.length = 0; 1306 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1307 return error; 1308 1309 sc->lastmode = mode; 1310 return 0; 1311 } 1312 1313 int 1314 mcd_setupc(sc, upc) 1315 struct mcd_softc *sc; 1316 int upc; 1317 { 1318 struct mcd_mbox mbx; 1319 int error; 1320 1321 if (sc->lastupc == upc) 1322 return 0; 1323 if (sc->debug) 1324 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1325 sc->lastupc = MCD_UPC_UNKNOWN; 1326 1327 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1328 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1329 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1330 mbx.cmd.data.config.data1 = upc; 1331 mbx.res.length = 0; 1332 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1333 return error; 1334 1335 sc->lastupc = upc; 1336 return 0; 1337 } 1338 1339 int 1340 mcd_toc_header(sc, th) 1341 struct mcd_softc *sc; 1342 struct ioc_toc_header *th; 1343 { 1344 1345 if (sc->debug) 1346 printf("%s: mcd_toc_header: reading toc header\n", 1347 sc->sc_dev.dv_xname); 1348 1349 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1350 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1351 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1352 1353 return 0; 1354 } 1355 1356 int 1357 mcd_read_toc(sc) 1358 struct mcd_softc *sc; 1359 { 1360 struct ioc_toc_header th; 1361 union mcd_qchninfo q; 1362 int error, trk, idx, retry; 1363 1364 if ((error = mcd_toc_header(sc, &th)) != 0) 1365 return error; 1366 1367 if ((error = mcd_stop(sc)) != 0) 1368 return error; 1369 1370 if (sc->debug) 1371 printf("%s: read_toc: reading qchannel info\n", 1372 sc->sc_dev.dv_xname); 1373 1374 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1375 sc->toc[trk].toc.idx_no = 0x00; 1376 trk = th.ending_track - th.starting_track + 1; 1377 for (retry = 300; retry && trk > 0; retry--) { 1378 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1379 break; 1380 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1381 continue; 1382 idx = bcd2bin(q.toc.idx_no); 1383 if (idx < MCD_MAXTOCS && 1384 sc->toc[idx].toc.idx_no == 0x00) { 1385 sc->toc[idx] = q; 1386 trk--; 1387 } 1388 } 1389 1390 /* Inform the drive that we're finished so it turns off the light. */ 1391 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1392 return error; 1393 1394 if (trk != 0) 1395 return EINVAL; 1396 1397 /* Add a fake last+1 for mcd_playtracks(). */ 1398 idx = th.ending_track + 1; 1399 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1400 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1401 sc->toc[idx].toc.trk_no = 0x00; 1402 sc->toc[idx].toc.idx_no = 0xaa; 1403 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1404 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1405 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1406 1407 return 0; 1408 } 1409 1410 int 1411 mcd_toc_entries(sc, te) 1412 struct mcd_softc *sc; 1413 struct ioc_read_toc_entry *te; 1414 { 1415 int len = te->data_len; 1416 struct ret_toc { 1417 struct ioc_toc_header header; 1418 struct cd_toc_entry entries[MCD_MAXTOCS]; 1419 } data; 1420 u_char trk; 1421 daddr_t lba; 1422 int error, n; 1423 1424 if (len > sizeof(data.entries) || 1425 len < sizeof(struct cd_toc_entry)) 1426 return EINVAL; 1427 if (te->address_format != CD_MSF_FORMAT && 1428 te->address_format != CD_LBA_FORMAT) 1429 return EINVAL; 1430 1431 /* Copy the TOC header. */ 1432 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1433 return error; 1434 1435 /* Verify starting track. */ 1436 trk = te->starting_track; 1437 if (trk == 0x00) 1438 trk = data.header.starting_track; 1439 else if (trk == 0xaa) 1440 trk = data.header.ending_track + 1; 1441 else if (trk < data.header.starting_track || 1442 trk > data.header.ending_track + 1) 1443 return EINVAL; 1444 1445 /* Copy the TOC data. */ 1446 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1447 if (sc->toc[trk].toc.idx_no == 0x00) 1448 continue; 1449 data.entries[n].control = sc->toc[trk].toc.control; 1450 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1451 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1452 switch (te->address_format) { 1453 case CD_MSF_FORMAT: 1454 data.entries[n].addr.addr[0] = 0; 1455 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1456 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1457 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1458 break; 1459 case CD_LBA_FORMAT: 1460 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1461 data.entries[n].addr.addr[0] = lba >> 24; 1462 data.entries[n].addr.addr[1] = lba >> 16; 1463 data.entries[n].addr.addr[2] = lba >> 8; 1464 data.entries[n].addr.addr[3] = lba; 1465 break; 1466 } 1467 n++; 1468 } 1469 1470 len = min(len, n * sizeof(struct cd_toc_entry)); 1471 1472 /* Copy the data back. */ 1473 return copyout(&data.entries[0], te->data, len); 1474 } 1475 1476 int 1477 mcd_stop(sc) 1478 struct mcd_softc *sc; 1479 { 1480 struct mcd_mbox mbx; 1481 int error; 1482 1483 if (sc->debug) 1484 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1485 1486 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1487 mbx.cmd.length = 0; 1488 mbx.res.length = 0; 1489 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1490 return error; 1491 1492 sc->audio_status = CD_AS_PLAY_COMPLETED; 1493 return 0; 1494 } 1495 1496 int 1497 mcd_getqchan(sc, q, qchn) 1498 struct mcd_softc *sc; 1499 union mcd_qchninfo *q; 1500 int qchn; 1501 { 1502 struct mcd_mbox mbx; 1503 int error; 1504 1505 if (qchn == CD_TRACK_INFO) { 1506 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1507 return error; 1508 } else { 1509 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1510 return error; 1511 } 1512 if (qchn == CD_MEDIA_CATALOG) { 1513 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1514 return error; 1515 } else { 1516 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1517 return error; 1518 } 1519 1520 mbx.cmd.opcode = MCD_CMDGETQCHN; 1521 mbx.cmd.length = 0; 1522 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1523 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1524 return error; 1525 1526 *q = mbx.res.data.qchninfo; 1527 return 0; 1528 } 1529 1530 int 1531 mcd_read_subchannel(sc, ch) 1532 struct mcd_softc *sc; 1533 struct ioc_read_subchannel *ch; 1534 { 1535 int len = ch->data_len; 1536 union mcd_qchninfo q; 1537 struct cd_sub_channel_info data; 1538 daddr_t lba; 1539 int error; 1540 1541 if (sc->debug) 1542 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1543 ch->address_format, ch->data_format); 1544 1545 if (len > sizeof(data) || 1546 len < sizeof(struct cd_sub_channel_header)) 1547 return EINVAL; 1548 if (ch->address_format != CD_MSF_FORMAT && 1549 ch->address_format != CD_LBA_FORMAT) 1550 return EINVAL; 1551 if (ch->data_format != CD_CURRENT_POSITION && 1552 ch->data_format != CD_MEDIA_CATALOG) 1553 return EINVAL; 1554 1555 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1556 return error; 1557 1558 data.header.audio_status = sc->audio_status; 1559 data.what.media_catalog.data_format = ch->data_format; 1560 1561 switch (ch->data_format) { 1562 case CD_MEDIA_CATALOG: 1563 data.what.media_catalog.mc_valid = 1; 1564 #if 0 1565 data.what.media_catalog.mc_number = 1566 #endif 1567 break; 1568 1569 case CD_CURRENT_POSITION: 1570 data.what.position.track_number = bcd2bin(q.current.trk_no); 1571 data.what.position.index_number = bcd2bin(q.current.idx_no); 1572 switch (ch->address_format) { 1573 case CD_MSF_FORMAT: 1574 data.what.position.reladdr.addr[0] = 0; 1575 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1576 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1577 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1578 data.what.position.absaddr.addr[0] = 0; 1579 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1580 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1581 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1582 break; 1583 case CD_LBA_FORMAT: 1584 lba = msf2hsg(q.current.relative_pos, 1); 1585 /* 1586 * Pre-gap has index number of 0, and decreasing MSF 1587 * address. Must be converted to negative LBA, per 1588 * SCSI spec. 1589 */ 1590 if (data.what.position.index_number == 0x00) 1591 lba = -lba; 1592 data.what.position.reladdr.addr[0] = lba >> 24; 1593 data.what.position.reladdr.addr[1] = lba >> 16; 1594 data.what.position.reladdr.addr[2] = lba >> 8; 1595 data.what.position.reladdr.addr[3] = lba; 1596 lba = msf2hsg(q.current.absolute_pos, 0); 1597 data.what.position.absaddr.addr[0] = lba >> 24; 1598 data.what.position.absaddr.addr[1] = lba >> 16; 1599 data.what.position.absaddr.addr[2] = lba >> 8; 1600 data.what.position.absaddr.addr[3] = lba; 1601 break; 1602 } 1603 break; 1604 } 1605 1606 return copyout(&data, ch->data, len); 1607 } 1608 1609 int 1610 mcd_playtracks(sc, p) 1611 struct mcd_softc *sc; 1612 struct ioc_play_track *p; 1613 { 1614 struct mcd_mbox mbx; 1615 int a = p->start_track; 1616 int z = p->end_track; 1617 int error; 1618 1619 if (sc->debug) 1620 printf("%s: playtracks: from %d:%d to %d:%d\n", 1621 sc->sc_dev.dv_xname, 1622 a, p->start_index, z, p->end_index); 1623 1624 if (a < bcd2bin(sc->volinfo.trk_low) || 1625 a > bcd2bin(sc->volinfo.trk_high) || 1626 a > z || 1627 z < bcd2bin(sc->volinfo.trk_low) || 1628 z > bcd2bin(sc->volinfo.trk_high)) 1629 return EINVAL; 1630 1631 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1632 return error; 1633 1634 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1635 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1636 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1637 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1638 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1639 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1640 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1641 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1642 sc->lastpb = mbx.cmd; 1643 mbx.res.length = 0; 1644 return mcd_send(sc, &mbx, 1); 1645 } 1646 1647 int 1648 mcd_playmsf(sc, p) 1649 struct mcd_softc *sc; 1650 struct ioc_play_msf *p; 1651 { 1652 struct mcd_mbox mbx; 1653 int error; 1654 1655 if (sc->debug) 1656 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1657 sc->sc_dev.dv_xname, 1658 p->start_m, p->start_s, p->start_f, 1659 p->end_m, p->end_s, p->end_f); 1660 1661 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1662 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1663 return EINVAL; 1664 1665 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1666 return error; 1667 1668 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1669 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1670 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1671 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1672 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1673 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1674 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1675 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1676 sc->lastpb = mbx.cmd; 1677 mbx.res.length = 0; 1678 return mcd_send(sc, &mbx, 1); 1679 } 1680 1681 int 1682 mcd_playblocks(sc, p) 1683 struct mcd_softc *sc; 1684 struct ioc_play_blocks *p; 1685 { 1686 struct mcd_mbox mbx; 1687 int error; 1688 1689 if (sc->debug) 1690 printf("%s: playblocks: blkno %d length %d\n", 1691 sc->sc_dev.dv_xname, p->blk, p->len); 1692 1693 if (p->blk > sc->disksize || p->len > sc->disksize || 1694 (p->blk + p->len) > sc->disksize) 1695 return 0; 1696 1697 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1698 return error; 1699 1700 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1701 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1702 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1703 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1704 sc->lastpb = mbx.cmd; 1705 mbx.res.length = 0; 1706 return mcd_send(sc, &mbx, 1); 1707 } 1708 1709 int 1710 mcd_pause(sc) 1711 struct mcd_softc *sc; 1712 { 1713 union mcd_qchninfo q; 1714 int error; 1715 1716 /* Verify current status. */ 1717 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1718 printf("%s: pause: attempted when not playing\n", 1719 sc->sc_dev.dv_xname); 1720 return EINVAL; 1721 } 1722 1723 /* Get the current position. */ 1724 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1725 return error; 1726 1727 /* Copy it into lastpb. */ 1728 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1729 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1730 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1731 1732 /* Stop playing. */ 1733 if ((error = mcd_stop(sc)) != 0) 1734 return error; 1735 1736 /* Set the proper status and exit. */ 1737 sc->audio_status = CD_AS_PLAY_PAUSED; 1738 return 0; 1739 } 1740 1741 int 1742 mcd_resume(sc) 1743 struct mcd_softc *sc; 1744 { 1745 struct mcd_mbox mbx; 1746 int error; 1747 1748 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1749 return EINVAL; 1750 1751 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1752 return error; 1753 1754 mbx.cmd = sc->lastpb; 1755 mbx.res.length = 0; 1756 return mcd_send(sc, &mbx, 1); 1757 } 1758 1759 int 1760 mcd_eject(sc) 1761 struct mcd_softc *sc; 1762 { 1763 struct mcd_mbox mbx; 1764 1765 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1766 mbx.cmd.length = 0; 1767 mbx.res.length = 0; 1768 return mcd_send(sc, &mbx, 0); 1769 } 1770 1771 int 1772 mcd_setlock(sc, mode) 1773 struct mcd_softc *sc; 1774 int mode; 1775 { 1776 struct mcd_mbox mbx; 1777 1778 mbx.cmd.opcode = MCD_CMDSETLOCK; 1779 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1780 mbx.cmd.data.lockmode.mode = mode; 1781 mbx.res.length = 0; 1782 return mcd_send(sc, &mbx, 1); 1783 } 1784
Indexes created Tue Sep 30 07:10:03 GMT 2025