mcd.c revision 1.58
1 /* $NetBSD: mcd.c,v 1.58 1997/11/11 22:43:51 fvdl 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 printf(": can't map i/o space\n"); 227 return; 228 } 229 230 sc->sc_iot = iot; 231 sc->sc_ioh = ioh; 232 233 sc->probe = 0; 234 sc->debug = 0; 235 236 if (!mcd_find(iot, ioh, sc)) { 237 printf(": mcd_find failed\n"); 238 return; 239 } 240 241 /* 242 * Initialize and attach the disk structure. 243 */ 244 sc->sc_dk.dk_driver = &mcddkdriver; 245 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 246 disk_attach(&sc->sc_dk); 247 248 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 249 250 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 251 252 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 253 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 254 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 255 mbx.cmd.data.config.data1 = 0x01; 256 mbx.res.length = 0; 257 (void) mcd_send(sc, &mbx, 0); 258 259 mcd_soft_reset(sc); 260 261 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 262 IPL_BIO, mcdintr, sc); 263 } 264 265 /* 266 * Wait interruptibly for an exclusive lock. 267 * 268 * XXX 269 * Several drivers do this; it should be abstracted and made MP-safe. 270 */ 271 int 272 mcdlock(sc) 273 struct mcd_softc *sc; 274 { 275 int error; 276 277 while ((sc->flags & MCDF_LOCKED) != 0) { 278 sc->flags |= MCDF_WANTED; 279 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 280 return error; 281 } 282 sc->flags |= MCDF_LOCKED; 283 return 0; 284 } 285 286 /* 287 * Unlock and wake up any waiters. 288 */ 289 void 290 mcdunlock(sc) 291 struct mcd_softc *sc; 292 { 293 294 sc->flags &= ~MCDF_LOCKED; 295 if ((sc->flags & MCDF_WANTED) != 0) { 296 sc->flags &= ~MCDF_WANTED; 297 wakeup(sc); 298 } 299 } 300 301 int 302 mcdopen(dev, flag, fmt, p) 303 dev_t dev; 304 int flag, fmt; 305 struct proc *p; 306 { 307 int error; 308 int unit, part; 309 struct mcd_softc *sc; 310 311 unit = MCDUNIT(dev); 312 if (unit >= mcd_cd.cd_ndevs) 313 return ENXIO; 314 sc = mcd_cd.cd_devs[unit]; 315 if (!sc) 316 return ENXIO; 317 318 if ((error = mcdlock(sc)) != 0) 319 return error; 320 321 if (sc->sc_dk.dk_openmask != 0) { 322 /* 323 * If any partition is open, but the disk has been invalidated, 324 * disallow further opens. 325 */ 326 if ((sc->flags & MCDF_LOADED) == 0) { 327 error = EIO; 328 goto bad3; 329 } 330 } else { 331 /* 332 * Lock the drawer. This will also notice any pending disk 333 * change or door open indicator and clear the MCDF_LOADED bit 334 * if necessary. 335 */ 336 (void) mcd_setlock(sc, MCD_LK_LOCK); 337 338 if ((sc->flags & MCDF_LOADED) == 0) { 339 /* Partially reset the state. */ 340 sc->lastmode = MCD_MD_UNKNOWN; 341 sc->lastupc = MCD_UPC_UNKNOWN; 342 343 sc->flags |= MCDF_LOADED; 344 345 /* Set the mode, causing the disk to spin up. */ 346 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 347 goto bad2; 348 349 /* Load the physical device parameters. */ 350 if (mcd_get_parms(sc) != 0) { 351 error = ENXIO; 352 goto bad2; 353 } 354 355 /* Read the table of contents. */ 356 if ((error = mcd_read_toc(sc)) != 0) 357 goto bad2; 358 359 /* Fabricate a disk label. */ 360 mcdgetdisklabel(sc); 361 } 362 } 363 364 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 365 sc->disksize, sc->blksize, 0); 366 367 part = MCDPART(dev); 368 369 /* Check that the partition exists. */ 370 if (part != RAW_PART && 371 (part >= sc->sc_dk.dk_label->d_npartitions || 372 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 373 error = ENXIO; 374 goto bad; 375 } 376 377 /* Insure only one open at a time. */ 378 switch (fmt) { 379 case S_IFCHR: 380 sc->sc_dk.dk_copenmask |= (1 << part); 381 break; 382 case S_IFBLK: 383 sc->sc_dk.dk_bopenmask |= (1 << part); 384 break; 385 } 386 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 387 388 mcdunlock(sc); 389 return 0; 390 391 bad2: 392 sc->flags &= ~MCDF_LOADED; 393 394 bad: 395 if (sc->sc_dk.dk_openmask == 0) { 396 #if 0 397 (void) mcd_setmode(sc, MCD_MD_SLEEP); 398 #endif 399 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 400 } 401 402 bad3: 403 mcdunlock(sc); 404 return error; 405 } 406 407 int 408 mcdclose(dev, flag, fmt, p) 409 dev_t dev; 410 int flag, fmt; 411 struct proc *p; 412 { 413 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 414 int part = MCDPART(dev); 415 int error; 416 417 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 418 419 if ((error = mcdlock(sc)) != 0) 420 return error; 421 422 switch (fmt) { 423 case S_IFCHR: 424 sc->sc_dk.dk_copenmask &= ~(1 << part); 425 break; 426 case S_IFBLK: 427 sc->sc_dk.dk_bopenmask &= ~(1 << part); 428 break; 429 } 430 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 431 432 if (sc->sc_dk.dk_openmask == 0) { 433 /* XXXX Must wait for I/O to complete! */ 434 435 #if 0 436 (void) mcd_setmode(sc, MCD_MD_SLEEP); 437 #endif 438 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 439 } 440 441 mcdunlock(sc); 442 return 0; 443 } 444 445 void 446 mcdstrategy(bp) 447 struct buf *bp; 448 { 449 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 450 int s; 451 452 /* Test validity. */ 453 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 454 bp->b_blkno, bp->b_bcount, 0); 455 if (bp->b_blkno < 0 || 456 (bp->b_bcount % sc->blksize) != 0) { 457 printf("%s: strategy: blkno = %d bcount = %ld\n", 458 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 459 bp->b_error = EINVAL; 460 goto bad; 461 } 462 463 /* If device invalidated (e.g. media change, door open), error. */ 464 if ((sc->flags & MCDF_LOADED) == 0) { 465 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 466 bp->b_error = EIO; 467 goto bad; 468 } 469 470 /* No data to read. */ 471 if (bp->b_bcount == 0) 472 goto done; 473 474 /* 475 * Do bounds checking, adjust transfer. if error, process. 476 * If end of partition, just return. 477 */ 478 if (MCDPART(bp->b_dev) != RAW_PART && 479 bounds_check_with_label(bp, sc->sc_dk.dk_label, 480 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 481 goto done; 482 483 /* Queue it. */ 484 s = splbio(); 485 disksort(&sc->buf_queue, bp); 486 splx(s); 487 if (!sc->buf_queue.b_active) 488 mcdstart(sc); 489 return; 490 491 bad: 492 bp->b_flags |= B_ERROR; 493 done: 494 bp->b_resid = bp->b_bcount; 495 biodone(bp); 496 } 497 498 void 499 mcdstart(sc) 500 struct mcd_softc *sc; 501 { 502 struct buf *bp, *dp = &sc->buf_queue; 503 int s; 504 505 loop: 506 s = splbio(); 507 508 bp = dp->b_actf; 509 if (bp == NULL) { 510 /* Nothing to do. */ 511 dp->b_active = 0; 512 splx(s); 513 return; 514 } 515 516 /* Block found to process; dequeue. */ 517 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 518 dp->b_actf = bp->b_actf; 519 splx(s); 520 521 /* Changed media? */ 522 if ((sc->flags & MCDF_LOADED) == 0) { 523 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 524 bp->b_error = EIO; 525 bp->b_flags |= B_ERROR; 526 biodone(bp); 527 goto loop; 528 } 529 530 dp->b_active = 1; 531 532 /* Instrumentation. */ 533 s = splbio(); 534 disk_busy(&sc->sc_dk); 535 splx(s); 536 537 sc->mbx.retry = MCD_RDRETRIES; 538 sc->mbx.bp = bp; 539 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 540 if (MCDPART(bp->b_dev) != RAW_PART) { 541 struct partition *p; 542 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 543 sc->mbx.blkno += p->p_offset; 544 } 545 sc->mbx.nblk = bp->b_bcount / sc->blksize; 546 sc->mbx.sz = sc->blksize; 547 sc->mbx.skip = 0; 548 sc->mbx.state = MCD_S_BEGIN; 549 sc->mbx.mode = MCD_MD_COOKED; 550 551 s = splbio(); 552 (void) mcdintr(sc); 553 splx(s); 554 } 555 556 int 557 mcdread(dev, uio, flags) 558 dev_t dev; 559 struct uio *uio; 560 int flags; 561 { 562 563 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 564 } 565 566 int 567 mcdwrite(dev, uio, flags) 568 dev_t dev; 569 struct uio *uio; 570 int flags; 571 { 572 573 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 574 } 575 576 int 577 mcdioctl(dev, cmd, addr, flag, p) 578 dev_t dev; 579 u_long cmd; 580 caddr_t addr; 581 int flag; 582 struct proc *p; 583 { 584 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 585 int error; 586 587 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 588 589 if ((sc->flags & MCDF_LOADED) == 0) 590 return EIO; 591 592 switch (cmd) { 593 case DIOCGDINFO: 594 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 595 return 0; 596 597 case DIOCGPART: 598 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 599 ((struct partinfo *)addr)->part = 600 &sc->sc_dk.dk_label->d_partitions[MCDPART(dev)]; 601 return 0; 602 603 case DIOCWDINFO: 604 case DIOCSDINFO: 605 if ((flag & FWRITE) == 0) 606 return EBADF; 607 608 if ((error = mcdlock(sc)) != 0) 609 return error; 610 sc->flags |= MCDF_LABELLING; 611 612 error = setdisklabel(sc->sc_dk.dk_label, 613 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 614 sc->sc_dk.dk_cpulabel); 615 if (error == 0) { 616 } 617 618 sc->flags &= ~MCDF_LABELLING; 619 mcdunlock(sc); 620 return error; 621 622 case DIOCWLABEL: 623 return EBADF; 624 625 case DIOCGDEFLABEL: 626 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 627 return 0; 628 629 case CDIOCPLAYTRACKS: 630 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 631 case CDIOCPLAYMSF: 632 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 633 case CDIOCPLAYBLOCKS: 634 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 635 case CDIOCREADSUBCHANNEL: 636 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 637 case CDIOREADTOCHEADER: 638 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 639 case CDIOREADTOCENTRYS: 640 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 641 case CDIOCSETPATCH: 642 case CDIOCGETVOL: 643 case CDIOCSETVOL: 644 case CDIOCSETMONO: 645 case CDIOCSETSTEREO: 646 case CDIOCSETMUTE: 647 case CDIOCSETLEFT: 648 case CDIOCSETRIGHT: 649 return EINVAL; 650 case CDIOCRESUME: 651 return mcd_resume(sc); 652 case CDIOCPAUSE: 653 return mcd_pause(sc); 654 case CDIOCSTART: 655 return EINVAL; 656 case CDIOCSTOP: 657 return mcd_stop(sc); 658 case CDIOCEJECT: /* FALLTHROUGH */ 659 case DIOCEJECT: 660 return mcd_eject(sc); 661 case CDIOCALLOW: 662 return mcd_setlock(sc, MCD_LK_UNLOCK); 663 case CDIOCPREVENT: 664 return mcd_setlock(sc, MCD_LK_LOCK); 665 case DIOCLOCK: 666 return mcd_setlock(sc, 667 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 668 case CDIOCSETDEBUG: 669 sc->debug = 1; 670 return 0; 671 case CDIOCCLRDEBUG: 672 sc->debug = 0; 673 return 0; 674 case CDIOCRESET: 675 return mcd_hard_reset(sc); 676 677 default: 678 return ENOTTY; 679 } 680 681 #ifdef DIAGNOSTIC 682 panic("mcdioctl: impossible"); 683 #endif 684 } 685 686 void 687 mcdgetdefaultlabel(sc, lp) 688 struct mcd_softc *sc; 689 struct disklabel *lp; 690 { 691 692 bzero(lp, sizeof(struct disklabel)); 693 694 lp->d_secsize = sc->blksize; 695 lp->d_ntracks = 1; 696 lp->d_nsectors = 100; 697 lp->d_ncylinders = (sc->disksize / 100) + 1; 698 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 699 700 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 701 lp->d_type = 0; /* XXX */ 702 strncpy(lp->d_packname, "fictitious", 16); 703 lp->d_secperunit = sc->disksize; 704 lp->d_rpm = 300; 705 lp->d_interleave = 1; 706 lp->d_flags = D_REMOVABLE; 707 708 lp->d_partitions[0].p_offset = 0; 709 lp->d_partitions[0].p_size = 710 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 711 lp->d_partitions[0].p_fstype = FS_ISO9660; 712 lp->d_partitions[RAW_PART].p_offset = 0; 713 lp->d_partitions[RAW_PART].p_size = 714 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 715 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 716 lp->d_npartitions = RAW_PART + 1; 717 718 lp->d_magic = DISKMAGIC; 719 lp->d_magic2 = DISKMAGIC; 720 lp->d_checksum = dkcksum(lp); 721 } 722 723 /* 724 * This could have been taken from scsi/cd.c, but it is not clear 725 * whether the scsi cd driver is linked in. 726 */ 727 void 728 mcdgetdisklabel(sc) 729 struct mcd_softc *sc; 730 { 731 struct disklabel *lp = sc->sc_dk.dk_label; 732 733 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 734 735 mcdgetdefaultlabel(sc, lp); 736 } 737 738 int 739 mcd_get_parms(sc) 740 struct mcd_softc *sc; 741 { 742 struct mcd_mbox mbx; 743 daddr_t size; 744 int error; 745 746 /* Send volume info command. */ 747 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 748 mbx.cmd.length = 0; 749 mbx.res.length = sizeof(mbx.res.data.volinfo); 750 if ((error = mcd_send(sc, &mbx, 1)) != 0) 751 return error; 752 753 if (mbx.res.data.volinfo.trk_low == 0x00 && 754 mbx.res.data.volinfo.trk_high == 0x00) 755 return EINVAL; 756 757 /* Volinfo is OK. */ 758 sc->volinfo = mbx.res.data.volinfo; 759 sc->blksize = MCD_BLKSIZE_COOKED; 760 size = msf2hsg(sc->volinfo.vol_msf, 0); 761 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 762 return 0; 763 } 764 765 int 766 mcdsize(dev) 767 dev_t dev; 768 { 769 770 /* CD-ROMs are read-only. */ 771 return -1; 772 } 773 774 int 775 mcddump(dev, blkno, va, size) 776 dev_t dev; 777 daddr_t blkno; 778 caddr_t va; 779 size_t size; 780 { 781 782 /* Not implemented. */ 783 return ENXIO; 784 } 785 786 /* 787 * Find the board and fill in the softc. 788 */ 789 int 790 mcd_find(iot, ioh, sc) 791 bus_space_tag_t iot; 792 bus_space_handle_t ioh; 793 struct mcd_softc *sc; 794 { 795 int i; 796 struct mcd_mbox mbx; 797 798 sc->sc_iot = iot; 799 sc->sc_ioh = ioh; 800 801 /* Send a reset. */ 802 bus_space_write_1(iot, ioh, MCD_RESET, 0); 803 delay(1000000); 804 /* Get any pending status and throw away. */ 805 for (i = 10; i; i--) 806 bus_space_read_1(iot, ioh, MCD_STATUS); 807 delay(1000); 808 809 /* Send get status command. */ 810 mbx.cmd.opcode = MCD_CMDGETSTAT; 811 mbx.cmd.length = 0; 812 mbx.res.length = 0; 813 if (mcd_send(sc, &mbx, 0) != 0) 814 return 0; 815 816 /* Get info about the drive. */ 817 mbx.cmd.opcode = MCD_CMDCONTINFO; 818 mbx.cmd.length = 0; 819 mbx.res.length = sizeof(mbx.res.data.continfo); 820 if (mcd_send(sc, &mbx, 0) != 0) 821 return 0; 822 823 /* 824 * The following is code which is not guaranteed to work for all 825 * drives, because the meaning of the expected 'M' is not clear 826 * (M_itsumi is an obvious assumption, but I don't trust that). 827 * Also, the original hack had a bogus condition that always 828 * returned true. 829 * 830 * Note: Which models support interrupts? >=LU005S? 831 */ 832 sc->readcmd = MCD_CMDREADSINGLESPEED; 833 switch (mbx.res.data.continfo.code) { 834 case 'M': 835 if (mbx.res.data.continfo.version <= 2) 836 sc->type = "LU002S"; 837 else if (mbx.res.data.continfo.version <= 5) 838 sc->type = "LU005S"; 839 else 840 sc->type = "LU006S"; 841 break; 842 case 'F': 843 sc->type = "FX001"; 844 break; 845 case 'D': 846 sc->type = "FX001D"; 847 sc->readcmd = MCD_CMDREADDOUBLESPEED; 848 break; 849 default: 850 #ifdef MCDDEBUG 851 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 852 sc->sc_dev.dv_xname, 853 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 854 #endif 855 sc->type = 0; 856 break; 857 } 858 859 return 1; 860 861 } 862 863 int 864 mcdprobe(parent, match, aux) 865 struct device *parent; 866 void *match, *aux; 867 { 868 struct isa_attach_args *ia = aux; 869 struct mcd_softc sc; 870 bus_space_tag_t iot = ia->ia_iot; 871 bus_space_handle_t ioh; 872 int rv; 873 874 /* Disallow wildcarded i/o address. */ 875 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 876 return (0); 877 878 /* Map i/o space */ 879 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 880 return 0; 881 882 sc.debug = 0; 883 sc.probe = 1; 884 885 rv = mcd_find(iot, ioh, &sc); 886 887 bus_space_unmap(iot, ioh, MCD_NPORT); 888 889 if (rv) { 890 ia->ia_iosize = MCD_NPORT; 891 ia->ia_msize = 0; 892 } 893 894 return (rv); 895 } 896 897 int 898 mcd_getreply(sc) 899 struct mcd_softc *sc; 900 { 901 bus_space_tag_t iot = sc->sc_iot; 902 bus_space_handle_t ioh = sc->sc_ioh; 903 int i; 904 905 /* Wait until xfer port senses data ready. */ 906 for (i = DELAY_GETREPLY; i; i--) { 907 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 908 MCD_XF_STATUSUNAVAIL) == 0) 909 break; 910 delay(DELAY_GRANULARITY); 911 } 912 if (!i) 913 return -1; 914 915 /* Get the data. */ 916 return bus_space_read_1(iot, ioh, MCD_STATUS); 917 } 918 919 int 920 mcd_getstat(sc) 921 struct mcd_softc *sc; 922 { 923 struct mcd_mbox mbx; 924 925 mbx.cmd.opcode = MCD_CMDGETSTAT; 926 mbx.cmd.length = 0; 927 mbx.res.length = 0; 928 return mcd_send(sc, &mbx, 1); 929 } 930 931 int 932 mcd_getresult(sc, res) 933 struct mcd_softc *sc; 934 struct mcd_result *res; 935 { 936 int i, x; 937 938 if (sc->debug) 939 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 940 res->length); 941 942 if ((x = mcd_getreply(sc)) < 0) { 943 if (sc->debug) 944 printf(" timeout\n"); 945 else if (!sc->probe) 946 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 947 return EIO; 948 } 949 if (sc->debug) 950 printf(" %02x", (u_int)x); 951 sc->status = x; 952 mcd_setflags(sc); 953 954 if ((sc->status & MCD_ST_CMDCHECK) != 0) 955 return EINVAL; 956 957 for (i = 0; i < res->length; i++) { 958 if ((x = mcd_getreply(sc)) < 0) { 959 if (sc->debug) 960 printf(" timeout\n"); 961 else 962 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 963 return EIO; 964 } 965 if (sc->debug) 966 printf(" %02x", (u_int)x); 967 res->data.raw.data[i] = x; 968 } 969 970 if (sc->debug) 971 printf(" succeeded\n"); 972 973 #ifdef MCDDEBUG 974 delay(10); 975 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 976 MCD_XF_STATUSUNAVAIL) == 0) { 977 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 978 printf("%s: got extra byte %02x during getstatus\n", 979 sc->sc_dev.dv_xname, (u_int)x); 980 delay(10); 981 } 982 #endif 983 984 return 0; 985 } 986 987 void 988 mcd_setflags(sc) 989 struct mcd_softc *sc; 990 { 991 992 /* Check flags. */ 993 if ((sc->flags & MCDF_LOADED) != 0 && 994 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 995 MCD_ST_DSKIN) { 996 if ((sc->status & MCD_ST_DOOROPEN) != 0) 997 printf("%s: door open\n", sc->sc_dev.dv_xname); 998 else if ((sc->status & MCD_ST_DSKIN) == 0) 999 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1000 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1001 printf("%s: media change\n", sc->sc_dev.dv_xname); 1002 sc->flags &= ~MCDF_LOADED; 1003 } 1004 1005 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1006 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1007 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1008 sc->audio_status == CD_AS_AUDIO_INVALID) 1009 sc->audio_status = CD_AS_PLAY_COMPLETED; 1010 } 1011 1012 int 1013 mcd_send(sc, mbx, diskin) 1014 struct mcd_softc *sc; 1015 struct mcd_mbox *mbx; 1016 int diskin; 1017 { 1018 int retry, i, error; 1019 bus_space_tag_t iot = sc->sc_iot; 1020 bus_space_handle_t ioh = sc->sc_ioh; 1021 1022 if (sc->debug) { 1023 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1024 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1025 for (i = 0; i < mbx->cmd.length; i++) 1026 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1027 printf("\n"); 1028 } 1029 1030 for (retry = MCD_RETRIES; retry; retry--) { 1031 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1032 for (i = 0; i < mbx->cmd.length; i++) 1033 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1034 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1035 break; 1036 if (error == EINVAL) 1037 return error; 1038 } 1039 if (!retry) 1040 return error; 1041 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1042 return EIO; 1043 1044 return 0; 1045 } 1046 1047 static int 1048 bcd2bin(b) 1049 bcd_t b; 1050 { 1051 1052 return (b >> 4) * 10 + (b & 15); 1053 } 1054 1055 static bcd_t 1056 bin2bcd(b) 1057 int b; 1058 { 1059 1060 return ((b / 10) << 4) | (b % 10); 1061 } 1062 1063 static void 1064 hsg2msf(hsg, msf) 1065 int hsg; 1066 bcd_t *msf; 1067 { 1068 1069 hsg += 150; 1070 F_msf(msf) = bin2bcd(hsg % 75); 1071 hsg /= 75; 1072 S_msf(msf) = bin2bcd(hsg % 60); 1073 hsg /= 60; 1074 M_msf(msf) = bin2bcd(hsg); 1075 } 1076 1077 static daddr_t 1078 msf2hsg(msf, relative) 1079 bcd_t *msf; 1080 int relative; 1081 { 1082 daddr_t blkno; 1083 1084 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1085 bcd2bin(S_msf(msf)) * 75 + 1086 bcd2bin(F_msf(msf)); 1087 if (!relative) 1088 blkno -= 150; 1089 return blkno; 1090 } 1091 1092 void 1093 mcd_pseudointr(v) 1094 void *v; 1095 { 1096 struct mcd_softc *sc = v; 1097 int s; 1098 1099 s = splbio(); 1100 (void) mcdintr(sc); 1101 splx(s); 1102 } 1103 1104 /* 1105 * State machine to process read requests. 1106 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1107 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1108 * MCD_S_WAITREAD: wait for read ready, read data. 1109 */ 1110 int 1111 mcdintr(arg) 1112 void *arg; 1113 { 1114 struct mcd_softc *sc = arg; 1115 struct mcd_mbx *mbx = &sc->mbx; 1116 struct buf *bp = mbx->bp; 1117 bus_space_tag_t iot = sc->sc_iot; 1118 bus_space_handle_t ioh = sc->sc_ioh; 1119 1120 int i; 1121 u_char x; 1122 bcd_t msf[3]; 1123 1124 switch (mbx->state) { 1125 case MCD_S_IDLE: 1126 return 0; 1127 1128 case MCD_S_BEGIN: 1129 tryagain: 1130 if (mbx->mode == sc->lastmode) 1131 goto firstblock; 1132 1133 sc->lastmode = MCD_MD_UNKNOWN; 1134 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1135 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1136 1137 mbx->count = RDELAY_WAITMODE; 1138 mbx->state = MCD_S_WAITMODE; 1139 1140 case MCD_S_WAITMODE: 1141 untimeout(mcd_pseudointr, sc); 1142 for (i = 20; i; i--) { 1143 x = bus_space_read_1(iot, ioh, MCD_XFER); 1144 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1145 break; 1146 delay(50); 1147 } 1148 if (i == 0) 1149 goto hold; 1150 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1151 mcd_setflags(sc); 1152 if ((sc->flags & MCDF_LOADED) == 0) 1153 goto changed; 1154 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1155 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1156 1157 sc->lastmode = mbx->mode; 1158 1159 firstblock: 1160 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1161 bp, 0, 0); 1162 1163 /* Build parameter block. */ 1164 hsg2msf(mbx->blkno, msf); 1165 1166 /* Send the read command. */ 1167 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1168 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1169 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1170 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1171 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1172 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1173 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1174 1175 mbx->count = RDELAY_WAITREAD; 1176 mbx->state = MCD_S_WAITREAD; 1177 1178 case MCD_S_WAITREAD: 1179 untimeout(mcd_pseudointr, sc); 1180 nextblock: 1181 loop: 1182 for (i = 20; i; i--) { 1183 x = bus_space_read_1(iot, ioh, MCD_XFER); 1184 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1185 goto gotblock; 1186 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1187 break; 1188 delay(50); 1189 } 1190 if (i == 0) 1191 goto hold; 1192 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1193 mcd_setflags(sc); 1194 if ((sc->flags & MCDF_LOADED) == 0) 1195 goto changed; 1196 #if 0 1197 printf("%s: got status byte %02x during read\n", 1198 sc->sc_dev.dv_xname, (u_int)sc->status); 1199 #endif 1200 goto loop; 1201 1202 gotblock: 1203 MCD_TRACE("doread: got data delay=%d\n", 1204 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1205 1206 /* Data is ready. */ 1207 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1208 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1209 bp->b_data + mbx->skip, mbx->sz); 1210 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1211 mbx->blkno += 1; 1212 mbx->skip += mbx->sz; 1213 if (--mbx->nblk > 0) 1214 goto nextblock; 1215 1216 mbx->state = MCD_S_IDLE; 1217 1218 /* Return buffer. */ 1219 bp->b_resid = 0; 1220 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1221 biodone(bp); 1222 1223 mcdstart(sc); 1224 return 1; 1225 1226 hold: 1227 if (mbx->count-- < 0) { 1228 printf("%s: timeout in state %d", 1229 sc->sc_dev.dv_xname, mbx->state); 1230 goto readerr; 1231 } 1232 1233 #if 0 1234 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1235 mbx->state); 1236 #endif 1237 timeout(mcd_pseudointr, sc, hz / 100); 1238 return -1; 1239 } 1240 1241 readerr: 1242 if (mbx->retry-- > 0) { 1243 printf("; retrying\n"); 1244 goto tryagain; 1245 } else 1246 printf("; giving up\n"); 1247 1248 changed: 1249 /* Invalidate the buffer. */ 1250 bp->b_flags |= B_ERROR; 1251 bp->b_resid = bp->b_bcount - mbx->skip; 1252 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1253 biodone(bp); 1254 1255 mcdstart(sc); 1256 return -1; 1257 1258 #ifdef notyet 1259 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1260 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1261 delay(300000); 1262 (void) mcd_getstat(sc, 1); 1263 (void) mcd_getstat(sc, 1); 1264 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1265 sc->debug = 1; /* preventive set debug mode */ 1266 #endif 1267 } 1268 1269 void 1270 mcd_soft_reset(sc) 1271 struct mcd_softc *sc; 1272 { 1273 1274 sc->debug = 0; 1275 sc->flags = 0; 1276 sc->lastmode = MCD_MD_UNKNOWN; 1277 sc->lastupc = MCD_UPC_UNKNOWN; 1278 sc->audio_status = CD_AS_AUDIO_INVALID; 1279 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1280 } 1281 1282 int 1283 mcd_hard_reset(sc) 1284 struct mcd_softc *sc; 1285 { 1286 struct mcd_mbox mbx; 1287 1288 mcd_soft_reset(sc); 1289 1290 mbx.cmd.opcode = MCD_CMDRESET; 1291 mbx.cmd.length = 0; 1292 mbx.res.length = 0; 1293 return mcd_send(sc, &mbx, 0); 1294 } 1295 1296 int 1297 mcd_setmode(sc, mode) 1298 struct mcd_softc *sc; 1299 int mode; 1300 { 1301 struct mcd_mbox mbx; 1302 int error; 1303 1304 if (sc->lastmode == mode) 1305 return 0; 1306 if (sc->debug) 1307 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1308 sc->lastmode = MCD_MD_UNKNOWN; 1309 1310 mbx.cmd.opcode = MCD_CMDSETMODE; 1311 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1312 mbx.cmd.data.datamode.mode = mode; 1313 mbx.res.length = 0; 1314 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1315 return error; 1316 1317 sc->lastmode = mode; 1318 return 0; 1319 } 1320 1321 int 1322 mcd_setupc(sc, upc) 1323 struct mcd_softc *sc; 1324 int upc; 1325 { 1326 struct mcd_mbox mbx; 1327 int error; 1328 1329 if (sc->lastupc == upc) 1330 return 0; 1331 if (sc->debug) 1332 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1333 sc->lastupc = MCD_UPC_UNKNOWN; 1334 1335 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1336 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1337 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1338 mbx.cmd.data.config.data1 = upc; 1339 mbx.res.length = 0; 1340 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1341 return error; 1342 1343 sc->lastupc = upc; 1344 return 0; 1345 } 1346 1347 int 1348 mcd_toc_header(sc, th) 1349 struct mcd_softc *sc; 1350 struct ioc_toc_header *th; 1351 { 1352 1353 if (sc->debug) 1354 printf("%s: mcd_toc_header: reading toc header\n", 1355 sc->sc_dev.dv_xname); 1356 1357 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1358 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1359 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1360 1361 return 0; 1362 } 1363 1364 int 1365 mcd_read_toc(sc) 1366 struct mcd_softc *sc; 1367 { 1368 struct ioc_toc_header th; 1369 union mcd_qchninfo q; 1370 int error, trk, idx, retry; 1371 1372 if ((error = mcd_toc_header(sc, &th)) != 0) 1373 return error; 1374 1375 if ((error = mcd_stop(sc)) != 0) 1376 return error; 1377 1378 if (sc->debug) 1379 printf("%s: read_toc: reading qchannel info\n", 1380 sc->sc_dev.dv_xname); 1381 1382 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1383 sc->toc[trk].toc.idx_no = 0x00; 1384 trk = th.ending_track - th.starting_track + 1; 1385 for (retry = 300; retry && trk > 0; retry--) { 1386 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1387 break; 1388 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1389 continue; 1390 idx = bcd2bin(q.toc.idx_no); 1391 if (idx < MCD_MAXTOCS && 1392 sc->toc[idx].toc.idx_no == 0x00) { 1393 sc->toc[idx] = q; 1394 trk--; 1395 } 1396 } 1397 1398 /* Inform the drive that we're finished so it turns off the light. */ 1399 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1400 return error; 1401 1402 if (trk != 0) 1403 return EINVAL; 1404 1405 /* Add a fake last+1 for mcd_playtracks(). */ 1406 idx = th.ending_track + 1; 1407 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1408 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1409 sc->toc[idx].toc.trk_no = 0x00; 1410 sc->toc[idx].toc.idx_no = 0xaa; 1411 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1412 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1413 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1414 1415 return 0; 1416 } 1417 1418 int 1419 mcd_toc_entries(sc, te) 1420 struct mcd_softc *sc; 1421 struct ioc_read_toc_entry *te; 1422 { 1423 int len = te->data_len; 1424 struct ret_toc { 1425 struct ioc_toc_header header; 1426 struct cd_toc_entry entries[MCD_MAXTOCS]; 1427 } data; 1428 u_char trk; 1429 daddr_t lba; 1430 int error, n; 1431 1432 if (len > sizeof(data.entries) || 1433 len < sizeof(struct cd_toc_entry)) 1434 return EINVAL; 1435 if (te->address_format != CD_MSF_FORMAT && 1436 te->address_format != CD_LBA_FORMAT) 1437 return EINVAL; 1438 1439 /* Copy the TOC header. */ 1440 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1441 return error; 1442 1443 /* Verify starting track. */ 1444 trk = te->starting_track; 1445 if (trk == 0x00) 1446 trk = data.header.starting_track; 1447 else if (trk == 0xaa) 1448 trk = data.header.ending_track + 1; 1449 else if (trk < data.header.starting_track || 1450 trk > data.header.ending_track + 1) 1451 return EINVAL; 1452 1453 /* Copy the TOC data. */ 1454 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1455 if (sc->toc[trk].toc.idx_no == 0x00) 1456 continue; 1457 data.entries[n].control = sc->toc[trk].toc.control; 1458 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1459 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1460 switch (te->address_format) { 1461 case CD_MSF_FORMAT: 1462 data.entries[n].addr.addr[0] = 0; 1463 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1464 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1465 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1466 break; 1467 case CD_LBA_FORMAT: 1468 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1469 data.entries[n].addr.addr[0] = lba >> 24; 1470 data.entries[n].addr.addr[1] = lba >> 16; 1471 data.entries[n].addr.addr[2] = lba >> 8; 1472 data.entries[n].addr.addr[3] = lba; 1473 break; 1474 } 1475 n++; 1476 } 1477 1478 len = min(len, n * sizeof(struct cd_toc_entry)); 1479 1480 /* Copy the data back. */ 1481 return copyout(&data.entries[0], te->data, len); 1482 } 1483 1484 int 1485 mcd_stop(sc) 1486 struct mcd_softc *sc; 1487 { 1488 struct mcd_mbox mbx; 1489 int error; 1490 1491 if (sc->debug) 1492 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1493 1494 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1495 mbx.cmd.length = 0; 1496 mbx.res.length = 0; 1497 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1498 return error; 1499 1500 sc->audio_status = CD_AS_PLAY_COMPLETED; 1501 return 0; 1502 } 1503 1504 int 1505 mcd_getqchan(sc, q, qchn) 1506 struct mcd_softc *sc; 1507 union mcd_qchninfo *q; 1508 int qchn; 1509 { 1510 struct mcd_mbox mbx; 1511 int error; 1512 1513 if (qchn == CD_TRACK_INFO) { 1514 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1515 return error; 1516 } else { 1517 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1518 return error; 1519 } 1520 if (qchn == CD_MEDIA_CATALOG) { 1521 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1522 return error; 1523 } else { 1524 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1525 return error; 1526 } 1527 1528 mbx.cmd.opcode = MCD_CMDGETQCHN; 1529 mbx.cmd.length = 0; 1530 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1531 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1532 return error; 1533 1534 *q = mbx.res.data.qchninfo; 1535 return 0; 1536 } 1537 1538 int 1539 mcd_read_subchannel(sc, ch) 1540 struct mcd_softc *sc; 1541 struct ioc_read_subchannel *ch; 1542 { 1543 int len = ch->data_len; 1544 union mcd_qchninfo q; 1545 struct cd_sub_channel_info data; 1546 daddr_t lba; 1547 int error; 1548 1549 if (sc->debug) 1550 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1551 ch->address_format, ch->data_format); 1552 1553 if (len > sizeof(data) || 1554 len < sizeof(struct cd_sub_channel_header)) 1555 return EINVAL; 1556 if (ch->address_format != CD_MSF_FORMAT && 1557 ch->address_format != CD_LBA_FORMAT) 1558 return EINVAL; 1559 if (ch->data_format != CD_CURRENT_POSITION && 1560 ch->data_format != CD_MEDIA_CATALOG) 1561 return EINVAL; 1562 1563 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1564 return error; 1565 1566 data.header.audio_status = sc->audio_status; 1567 data.what.media_catalog.data_format = ch->data_format; 1568 1569 switch (ch->data_format) { 1570 case CD_MEDIA_CATALOG: 1571 data.what.media_catalog.mc_valid = 1; 1572 #if 0 1573 data.what.media_catalog.mc_number = 1574 #endif 1575 break; 1576 1577 case CD_CURRENT_POSITION: 1578 data.what.position.track_number = bcd2bin(q.current.trk_no); 1579 data.what.position.index_number = bcd2bin(q.current.idx_no); 1580 switch (ch->address_format) { 1581 case CD_MSF_FORMAT: 1582 data.what.position.reladdr.addr[0] = 0; 1583 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1584 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1585 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1586 data.what.position.absaddr.addr[0] = 0; 1587 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1588 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1589 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1590 break; 1591 case CD_LBA_FORMAT: 1592 lba = msf2hsg(q.current.relative_pos, 1); 1593 /* 1594 * Pre-gap has index number of 0, and decreasing MSF 1595 * address. Must be converted to negative LBA, per 1596 * SCSI spec. 1597 */ 1598 if (data.what.position.index_number == 0x00) 1599 lba = -lba; 1600 data.what.position.reladdr.addr[0] = lba >> 24; 1601 data.what.position.reladdr.addr[1] = lba >> 16; 1602 data.what.position.reladdr.addr[2] = lba >> 8; 1603 data.what.position.reladdr.addr[3] = lba; 1604 lba = msf2hsg(q.current.absolute_pos, 0); 1605 data.what.position.absaddr.addr[0] = lba >> 24; 1606 data.what.position.absaddr.addr[1] = lba >> 16; 1607 data.what.position.absaddr.addr[2] = lba >> 8; 1608 data.what.position.absaddr.addr[3] = lba; 1609 break; 1610 } 1611 break; 1612 } 1613 1614 return copyout(&data, ch->data, len); 1615 } 1616 1617 int 1618 mcd_playtracks(sc, p) 1619 struct mcd_softc *sc; 1620 struct ioc_play_track *p; 1621 { 1622 struct mcd_mbox mbx; 1623 int a = p->start_track; 1624 int z = p->end_track; 1625 int error; 1626 1627 if (sc->debug) 1628 printf("%s: playtracks: from %d:%d to %d:%d\n", 1629 sc->sc_dev.dv_xname, 1630 a, p->start_index, z, p->end_index); 1631 1632 if (a < bcd2bin(sc->volinfo.trk_low) || 1633 a > bcd2bin(sc->volinfo.trk_high) || 1634 a > z || 1635 z < bcd2bin(sc->volinfo.trk_low) || 1636 z > bcd2bin(sc->volinfo.trk_high)) 1637 return EINVAL; 1638 1639 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1640 return error; 1641 1642 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1643 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1644 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1645 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1646 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1647 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1648 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1649 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1650 sc->lastpb = mbx.cmd; 1651 mbx.res.length = 0; 1652 return mcd_send(sc, &mbx, 1); 1653 } 1654 1655 int 1656 mcd_playmsf(sc, p) 1657 struct mcd_softc *sc; 1658 struct ioc_play_msf *p; 1659 { 1660 struct mcd_mbox mbx; 1661 int error; 1662 1663 if (sc->debug) 1664 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1665 sc->sc_dev.dv_xname, 1666 p->start_m, p->start_s, p->start_f, 1667 p->end_m, p->end_s, p->end_f); 1668 1669 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1670 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1671 return EINVAL; 1672 1673 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1674 return error; 1675 1676 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1677 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1678 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1679 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1680 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1681 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1682 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1683 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1684 sc->lastpb = mbx.cmd; 1685 mbx.res.length = 0; 1686 return mcd_send(sc, &mbx, 1); 1687 } 1688 1689 int 1690 mcd_playblocks(sc, p) 1691 struct mcd_softc *sc; 1692 struct ioc_play_blocks *p; 1693 { 1694 struct mcd_mbox mbx; 1695 int error; 1696 1697 if (sc->debug) 1698 printf("%s: playblocks: blkno %d length %d\n", 1699 sc->sc_dev.dv_xname, p->blk, p->len); 1700 1701 if (p->blk > sc->disksize || p->len > sc->disksize || 1702 (p->blk + p->len) > sc->disksize) 1703 return 0; 1704 1705 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1706 return error; 1707 1708 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1709 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1710 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1711 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1712 sc->lastpb = mbx.cmd; 1713 mbx.res.length = 0; 1714 return mcd_send(sc, &mbx, 1); 1715 } 1716 1717 int 1718 mcd_pause(sc) 1719 struct mcd_softc *sc; 1720 { 1721 union mcd_qchninfo q; 1722 int error; 1723 1724 /* Verify current status. */ 1725 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1726 printf("%s: pause: attempted when not playing\n", 1727 sc->sc_dev.dv_xname); 1728 return EINVAL; 1729 } 1730 1731 /* Get the current position. */ 1732 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1733 return error; 1734 1735 /* Copy it into lastpb. */ 1736 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1737 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1738 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1739 1740 /* Stop playing. */ 1741 if ((error = mcd_stop(sc)) != 0) 1742 return error; 1743 1744 /* Set the proper status and exit. */ 1745 sc->audio_status = CD_AS_PLAY_PAUSED; 1746 return 0; 1747 } 1748 1749 int 1750 mcd_resume(sc) 1751 struct mcd_softc *sc; 1752 { 1753 struct mcd_mbox mbx; 1754 int error; 1755 1756 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1757 return EINVAL; 1758 1759 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1760 return error; 1761 1762 mbx.cmd = sc->lastpb; 1763 mbx.res.length = 0; 1764 return mcd_send(sc, &mbx, 1); 1765 } 1766 1767 int 1768 mcd_eject(sc) 1769 struct mcd_softc *sc; 1770 { 1771 struct mcd_mbox mbx; 1772 1773 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1774 mbx.cmd.length = 0; 1775 mbx.res.length = 0; 1776 return mcd_send(sc, &mbx, 0); 1777 } 1778 1779 int 1780 mcd_setlock(sc, mode) 1781 struct mcd_softc *sc; 1782 int mode; 1783 { 1784 struct mcd_mbox mbx; 1785 1786 mbx.cmd.opcode = MCD_CMDSETLOCK; 1787 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1788 mbx.cmd.data.lockmode.mode = mode; 1789 mbx.res.length = 0; 1790 return mcd_send(sc, &mbx, 1); 1791 } 1792
Indexes created Tue Sep 30 11:09:46 GMT 2025