mcd.c revision 1.64
1 /* $NetBSD: mcd.c,v 1.64 2000/01/21 23:39:58 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 /* control promiscuous match */ 95 #include "opt_mcd_promisc.h" 96 97 #ifdef MCD_PROMISC 98 int mcd_promisc = 1; 99 #else 100 int mcd_promisc = 0; 101 #endif 102 103 struct mcd_mbx { 104 int retry, count; 105 struct buf *bp; 106 daddr_t blkno; 107 int nblk; 108 int sz; 109 u_long skip; 110 int state; 111 #define MCD_S_IDLE 0 112 #define MCD_S_BEGIN 1 113 #define MCD_S_WAITMODE 2 114 #define MCD_S_WAITREAD 3 115 int mode; 116 }; 117 118 struct mcd_softc { 119 struct device sc_dev; 120 struct disk sc_dk; 121 void *sc_ih; 122 123 bus_space_tag_t sc_iot; 124 bus_space_handle_t sc_ioh; 125 126 int irq, drq; 127 128 char *type; 129 int flags; 130 #define MCDF_LOCKED 0x01 131 #define MCDF_WANTED 0x02 132 #define MCDF_WLABEL 0x04 /* label is writable */ 133 #define MCDF_LABELLING 0x08 /* writing label */ 134 #define MCDF_LOADED 0x10 /* parameters loaded */ 135 short status; 136 short audio_status; 137 int blksize; 138 u_long disksize; 139 struct mcd_volinfo volinfo; 140 union mcd_qchninfo toc[MCD_MAXTOCS]; 141 struct mcd_command lastpb; 142 struct mcd_mbx mbx; 143 int lastmode; 144 #define MCD_MD_UNKNOWN -1 145 int lastupc; 146 #define MCD_UPC_UNKNOWN -1 147 struct buf_queue buf_queue; 148 int active; 149 u_char readcmd; 150 u_char debug; 151 u_char probe; 152 }; 153 154 /* prototypes */ 155 /* XXX does not belong here */ 156 cdev_decl(mcd); 157 bdev_decl(mcd); 158 159 static int bcd2bin __P((bcd_t)); 160 static bcd_t bin2bcd __P((int)); 161 static void hsg2msf __P((int, bcd_t *)); 162 static daddr_t msf2hsg __P((bcd_t *, int)); 163 164 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 165 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 166 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 167 int mcd_stop __P((struct mcd_softc *)); 168 int mcd_eject __P((struct mcd_softc *)); 169 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 170 int mcd_pause __P((struct mcd_softc *)); 171 int mcd_resume __P((struct mcd_softc *)); 172 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 173 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 174 175 int mcd_getreply __P((struct mcd_softc *)); 176 int mcd_getstat __P((struct mcd_softc *)); 177 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 178 void mcd_setflags __P((struct mcd_softc *)); 179 int mcd_get __P((struct mcd_softc *, char *, int)); 180 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 181 int mcdintr __P((void *)); 182 void mcd_soft_reset __P((struct mcd_softc *)); 183 int mcd_hard_reset __P((struct mcd_softc *)); 184 int mcd_setmode __P((struct mcd_softc *, int)); 185 int mcd_setupc __P((struct mcd_softc *, int)); 186 int mcd_read_toc __P((struct mcd_softc *)); 187 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 188 int mcd_setlock __P((struct mcd_softc *, int)); 189 190 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 191 int mcdprobe __P((struct device *, struct cfdata *, void *)); 192 void mcdattach __P((struct device *, struct device *, void *)); 193 194 struct cfattach mcd_ca = { 195 sizeof(struct mcd_softc), mcdprobe, mcdattach 196 }; 197 198 extern struct cfdriver mcd_cd; 199 200 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 201 void mcdgetdisklabel __P((struct mcd_softc *)); 202 int mcd_get_parms __P((struct mcd_softc *)); 203 void mcdstrategy __P((struct buf *)); 204 void mcdstart __P((struct mcd_softc *)); 205 int mcdlock __P((struct mcd_softc *)); 206 void mcdunlock __P((struct mcd_softc *)); 207 void mcd_pseudointr __P((void *)); 208 209 struct dkdriver mcddkdriver = { mcdstrategy }; 210 211 #define MCD_RETRIES 3 212 #define MCD_RDRETRIES 3 213 214 /* several delays */ 215 #define RDELAY_WAITMODE 300 216 #define RDELAY_WAITREAD 800 217 218 #define DELAY_GRANULARITY 25 /* 25us */ 219 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 220 221 void 222 mcdattach(parent, self, aux) 223 struct device *parent, *self; 224 void *aux; 225 { 226 struct mcd_softc *sc = (void *)self; 227 struct isa_attach_args *ia = aux; 228 bus_space_tag_t iot = ia->ia_iot; 229 bus_space_handle_t ioh; 230 struct mcd_mbox mbx; 231 232 /* Map i/o space */ 233 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 234 printf(": can't map i/o space\n"); 235 return; 236 } 237 238 sc->sc_iot = iot; 239 sc->sc_ioh = ioh; 240 241 sc->probe = 0; 242 sc->debug = 0; 243 244 if (!mcd_find(iot, ioh, sc)) { 245 printf(": mcd_find failed\n"); 246 return; 247 } 248 249 BUFQ_INIT(&sc->buf_queue); 250 251 /* 252 * Initialize and attach the disk structure. 253 */ 254 sc->sc_dk.dk_driver = &mcddkdriver; 255 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 256 disk_attach(&sc->sc_dk); 257 258 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 259 260 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 261 262 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 263 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 264 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 265 mbx.cmd.data.config.data1 = 0x01; 266 mbx.res.length = 0; 267 (void) mcd_send(sc, &mbx, 0); 268 269 mcd_soft_reset(sc); 270 271 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 272 IPL_BIO, mcdintr, sc); 273 } 274 275 /* 276 * Wait interruptibly for an exclusive lock. 277 * 278 * XXX 279 * Several drivers do this; it should be abstracted and made MP-safe. 280 */ 281 int 282 mcdlock(sc) 283 struct mcd_softc *sc; 284 { 285 int error; 286 287 while ((sc->flags & MCDF_LOCKED) != 0) { 288 sc->flags |= MCDF_WANTED; 289 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 290 return error; 291 } 292 sc->flags |= MCDF_LOCKED; 293 return 0; 294 } 295 296 /* 297 * Unlock and wake up any waiters. 298 */ 299 void 300 mcdunlock(sc) 301 struct mcd_softc *sc; 302 { 303 304 sc->flags &= ~MCDF_LOCKED; 305 if ((sc->flags & MCDF_WANTED) != 0) { 306 sc->flags &= ~MCDF_WANTED; 307 wakeup(sc); 308 } 309 } 310 311 int 312 mcdopen(dev, flag, fmt, p) 313 dev_t dev; 314 int flag, fmt; 315 struct proc *p; 316 { 317 int error; 318 int unit, part; 319 struct mcd_softc *sc; 320 321 unit = MCDUNIT(dev); 322 if (unit >= mcd_cd.cd_ndevs) 323 return ENXIO; 324 sc = mcd_cd.cd_devs[unit]; 325 if (!sc) 326 return ENXIO; 327 328 if ((error = mcdlock(sc)) != 0) 329 return error; 330 331 if (sc->sc_dk.dk_openmask != 0) { 332 /* 333 * If any partition is open, but the disk has been invalidated, 334 * disallow further opens. 335 */ 336 if ((sc->flags & MCDF_LOADED) == 0) { 337 error = EIO; 338 goto bad3; 339 } 340 } else { 341 /* 342 * Lock the drawer. This will also notice any pending disk 343 * change or door open indicator and clear the MCDF_LOADED bit 344 * if necessary. 345 */ 346 (void) mcd_setlock(sc, MCD_LK_LOCK); 347 348 if ((sc->flags & MCDF_LOADED) == 0) { 349 /* Partially reset the state. */ 350 sc->lastmode = MCD_MD_UNKNOWN; 351 sc->lastupc = MCD_UPC_UNKNOWN; 352 353 sc->flags |= MCDF_LOADED; 354 355 /* Set the mode, causing the disk to spin up. */ 356 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 357 goto bad2; 358 359 /* Load the physical device parameters. */ 360 if (mcd_get_parms(sc) != 0) { 361 error = ENXIO; 362 goto bad2; 363 } 364 365 /* Read the table of contents. */ 366 if ((error = mcd_read_toc(sc)) != 0) 367 goto bad2; 368 369 /* Fabricate a disk label. */ 370 mcdgetdisklabel(sc); 371 } 372 } 373 374 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 375 sc->disksize, sc->blksize, 0); 376 377 part = MCDPART(dev); 378 379 /* Check that the partition exists. */ 380 if (part != RAW_PART && 381 (part >= sc->sc_dk.dk_label->d_npartitions || 382 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 383 error = ENXIO; 384 goto bad; 385 } 386 387 /* Insure only one open at a time. */ 388 switch (fmt) { 389 case S_IFCHR: 390 sc->sc_dk.dk_copenmask |= (1 << part); 391 break; 392 case S_IFBLK: 393 sc->sc_dk.dk_bopenmask |= (1 << part); 394 break; 395 } 396 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 397 398 mcdunlock(sc); 399 return 0; 400 401 bad2: 402 sc->flags &= ~MCDF_LOADED; 403 404 bad: 405 if (sc->sc_dk.dk_openmask == 0) { 406 #if 0 407 (void) mcd_setmode(sc, MCD_MD_SLEEP); 408 #endif 409 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 410 } 411 412 bad3: 413 mcdunlock(sc); 414 return error; 415 } 416 417 int 418 mcdclose(dev, flag, fmt, p) 419 dev_t dev; 420 int flag, fmt; 421 struct proc *p; 422 { 423 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 424 int part = MCDPART(dev); 425 int error; 426 427 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 428 429 if ((error = mcdlock(sc)) != 0) 430 return error; 431 432 switch (fmt) { 433 case S_IFCHR: 434 sc->sc_dk.dk_copenmask &= ~(1 << part); 435 break; 436 case S_IFBLK: 437 sc->sc_dk.dk_bopenmask &= ~(1 << part); 438 break; 439 } 440 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 441 442 if (sc->sc_dk.dk_openmask == 0) { 443 /* XXXX Must wait for I/O to complete! */ 444 445 #if 0 446 (void) mcd_setmode(sc, MCD_MD_SLEEP); 447 #endif 448 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 449 } 450 451 mcdunlock(sc); 452 return 0; 453 } 454 455 void 456 mcdstrategy(bp) 457 struct buf *bp; 458 { 459 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 460 int s; 461 462 /* Test validity. */ 463 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 464 bp->b_blkno, bp->b_bcount, 0); 465 if (bp->b_blkno < 0 || 466 (bp->b_bcount % sc->blksize) != 0) { 467 printf("%s: strategy: blkno = %d bcount = %ld\n", 468 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 469 bp->b_error = EINVAL; 470 goto bad; 471 } 472 473 /* If device invalidated (e.g. media change, door open), error. */ 474 if ((sc->flags & MCDF_LOADED) == 0) { 475 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 476 bp->b_error = EIO; 477 goto bad; 478 } 479 480 /* No data to read. */ 481 if (bp->b_bcount == 0) 482 goto done; 483 484 /* 485 * Do bounds checking, adjust transfer. if error, process. 486 * If end of partition, just return. 487 */ 488 if (MCDPART(bp->b_dev) != RAW_PART && 489 bounds_check_with_label(bp, sc->sc_dk.dk_label, 490 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 491 goto done; 492 493 /* Queue it. */ 494 s = splbio(); 495 disksort_blkno(&sc->buf_queue, bp); 496 splx(s); 497 if (!sc->active) 498 mcdstart(sc); 499 return; 500 501 bad: 502 bp->b_flags |= B_ERROR; 503 done: 504 bp->b_resid = bp->b_bcount; 505 biodone(bp); 506 } 507 508 void 509 mcdstart(sc) 510 struct mcd_softc *sc; 511 { 512 struct buf *bp; 513 int s; 514 515 loop: 516 s = splbio(); 517 518 if ((bp = BUFQ_FIRST(&sc->buf_queue)) == NULL) { 519 /* Nothing to do. */ 520 sc->active = 0; 521 splx(s); 522 return; 523 } 524 525 /* Block found to process; dequeue. */ 526 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 527 BUFQ_REMOVE(&sc->buf_queue, bp); 528 splx(s); 529 530 /* Changed media? */ 531 if ((sc->flags & MCDF_LOADED) == 0) { 532 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 533 bp->b_error = EIO; 534 bp->b_flags |= B_ERROR; 535 biodone(bp); 536 goto loop; 537 } 538 539 sc->active = 1; 540 541 /* Instrumentation. */ 542 s = splbio(); 543 disk_busy(&sc->sc_dk); 544 splx(s); 545 546 sc->mbx.retry = MCD_RDRETRIES; 547 sc->mbx.bp = bp; 548 sc->mbx.blkno = bp->b_blkno / (sc->blksize / DEV_BSIZE); 549 if (MCDPART(bp->b_dev) != RAW_PART) { 550 struct partition *p; 551 p = &sc->sc_dk.dk_label->d_partitions[MCDPART(bp->b_dev)]; 552 sc->mbx.blkno += p->p_offset; 553 } 554 sc->mbx.nblk = bp->b_bcount / sc->blksize; 555 sc->mbx.sz = sc->blksize; 556 sc->mbx.skip = 0; 557 sc->mbx.state = MCD_S_BEGIN; 558 sc->mbx.mode = MCD_MD_COOKED; 559 560 s = splbio(); 561 (void) mcdintr(sc); 562 splx(s); 563 } 564 565 int 566 mcdread(dev, uio, flags) 567 dev_t dev; 568 struct uio *uio; 569 int flags; 570 { 571 572 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 573 } 574 575 int 576 mcdwrite(dev, uio, flags) 577 dev_t dev; 578 struct uio *uio; 579 int flags; 580 { 581 582 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 583 } 584 585 int 586 mcdioctl(dev, cmd, addr, flag, p) 587 dev_t dev; 588 u_long cmd; 589 caddr_t addr; 590 int flag; 591 struct proc *p; 592 { 593 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 594 int error; 595 int part; 596 597 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 598 599 if ((sc->flags & MCDF_LOADED) == 0) 600 return EIO; 601 602 part = MCDPART(dev); 603 switch (cmd) { 604 case DIOCGDINFO: 605 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 606 return 0; 607 608 case DIOCGPART: 609 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 610 ((struct partinfo *)addr)->part = 611 &sc->sc_dk.dk_label->d_partitions[part]; 612 return 0; 613 614 case DIOCWDINFO: 615 case DIOCSDINFO: 616 if ((flag & FWRITE) == 0) 617 return EBADF; 618 619 if ((error = mcdlock(sc)) != 0) 620 return error; 621 sc->flags |= MCDF_LABELLING; 622 623 error = setdisklabel(sc->sc_dk.dk_label, 624 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 625 sc->sc_dk.dk_cpulabel); 626 if (error == 0) { 627 } 628 629 sc->flags &= ~MCDF_LABELLING; 630 mcdunlock(sc); 631 return error; 632 633 case DIOCWLABEL: 634 return EBADF; 635 636 case DIOCGDEFLABEL: 637 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 638 return 0; 639 640 case CDIOCPLAYTRACKS: 641 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 642 case CDIOCPLAYMSF: 643 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 644 case CDIOCPLAYBLOCKS: 645 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 646 case CDIOCREADSUBCHANNEL: 647 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 648 case CDIOREADTOCHEADER: 649 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 650 case CDIOREADTOCENTRYS: 651 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 652 case CDIOCSETPATCH: 653 case CDIOCGETVOL: 654 case CDIOCSETVOL: 655 case CDIOCSETMONO: 656 case CDIOCSETSTEREO: 657 case CDIOCSETMUTE: 658 case CDIOCSETLEFT: 659 case CDIOCSETRIGHT: 660 return EINVAL; 661 case CDIOCRESUME: 662 return mcd_resume(sc); 663 case CDIOCPAUSE: 664 return mcd_pause(sc); 665 case CDIOCSTART: 666 return EINVAL; 667 case CDIOCSTOP: 668 return mcd_stop(sc); 669 case DIOCEJECT: 670 if (*(int *)addr == 0) { 671 /* 672 * Don't force eject: check that we are the only 673 * partition open. If so, unlock it. 674 */ 675 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 676 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 677 sc->sc_dk.dk_openmask) { 678 error = mcd_setlock(sc, MCD_LK_UNLOCK); 679 if (error) 680 return (error); 681 } else { 682 return (EBUSY); 683 } 684 } 685 /* FALLTHROUGH */ 686 case CDIOCEJECT: /* FALLTHROUGH */ 687 case ODIOCEJECT: 688 return mcd_eject(sc); 689 case CDIOCALLOW: 690 return mcd_setlock(sc, MCD_LK_UNLOCK); 691 case CDIOCPREVENT: 692 return mcd_setlock(sc, MCD_LK_LOCK); 693 case DIOCLOCK: 694 return mcd_setlock(sc, 695 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 696 case CDIOCSETDEBUG: 697 sc->debug = 1; 698 return 0; 699 case CDIOCCLRDEBUG: 700 sc->debug = 0; 701 return 0; 702 case CDIOCRESET: 703 return mcd_hard_reset(sc); 704 705 default: 706 return ENOTTY; 707 } 708 709 #ifdef DIAGNOSTIC 710 panic("mcdioctl: impossible"); 711 #endif 712 } 713 714 void 715 mcdgetdefaultlabel(sc, lp) 716 struct mcd_softc *sc; 717 struct disklabel *lp; 718 { 719 720 bzero(lp, sizeof(struct disklabel)); 721 722 lp->d_secsize = sc->blksize; 723 lp->d_ntracks = 1; 724 lp->d_nsectors = 100; 725 lp->d_ncylinders = (sc->disksize / 100) + 1; 726 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 727 728 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 729 lp->d_type = 0; /* XXX */ 730 strncpy(lp->d_packname, "fictitious", 16); 731 lp->d_secperunit = sc->disksize; 732 lp->d_rpm = 300; 733 lp->d_interleave = 1; 734 lp->d_flags = D_REMOVABLE; 735 736 lp->d_partitions[0].p_offset = 0; 737 lp->d_partitions[0].p_size = 738 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 739 lp->d_partitions[0].p_fstype = FS_ISO9660; 740 lp->d_partitions[RAW_PART].p_offset = 0; 741 lp->d_partitions[RAW_PART].p_size = 742 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 743 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 744 lp->d_npartitions = RAW_PART + 1; 745 746 lp->d_magic = DISKMAGIC; 747 lp->d_magic2 = DISKMAGIC; 748 lp->d_checksum = dkcksum(lp); 749 } 750 751 /* 752 * This could have been taken from scsi/cd.c, but it is not clear 753 * whether the scsi cd driver is linked in. 754 */ 755 void 756 mcdgetdisklabel(sc) 757 struct mcd_softc *sc; 758 { 759 struct disklabel *lp = sc->sc_dk.dk_label; 760 761 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 762 763 mcdgetdefaultlabel(sc, lp); 764 } 765 766 int 767 mcd_get_parms(sc) 768 struct mcd_softc *sc; 769 { 770 struct mcd_mbox mbx; 771 daddr_t size; 772 int error; 773 774 /* Send volume info command. */ 775 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 776 mbx.cmd.length = 0; 777 mbx.res.length = sizeof(mbx.res.data.volinfo); 778 if ((error = mcd_send(sc, &mbx, 1)) != 0) 779 return error; 780 781 if (mbx.res.data.volinfo.trk_low == 0x00 && 782 mbx.res.data.volinfo.trk_high == 0x00) 783 return EINVAL; 784 785 /* Volinfo is OK. */ 786 sc->volinfo = mbx.res.data.volinfo; 787 sc->blksize = MCD_BLKSIZE_COOKED; 788 size = msf2hsg(sc->volinfo.vol_msf, 0); 789 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 790 return 0; 791 } 792 793 int 794 mcdsize(dev) 795 dev_t dev; 796 { 797 798 /* CD-ROMs are read-only. */ 799 return -1; 800 } 801 802 int 803 mcddump(dev, blkno, va, size) 804 dev_t dev; 805 daddr_t blkno; 806 caddr_t va; 807 size_t size; 808 { 809 810 /* Not implemented. */ 811 return ENXIO; 812 } 813 814 /* 815 * Find the board and fill in the softc. 816 */ 817 int 818 mcd_find(iot, ioh, sc) 819 bus_space_tag_t iot; 820 bus_space_handle_t ioh; 821 struct mcd_softc *sc; 822 { 823 int i; 824 struct mcd_mbox mbx; 825 826 sc->sc_iot = iot; 827 sc->sc_ioh = ioh; 828 829 /* Send a reset. */ 830 bus_space_write_1(iot, ioh, MCD_RESET, 0); 831 delay(1000000); 832 /* Get any pending status and throw away. */ 833 for (i = 10; i; i--) 834 bus_space_read_1(iot, ioh, MCD_STATUS); 835 delay(1000); 836 837 /* Send get status command. */ 838 mbx.cmd.opcode = MCD_CMDGETSTAT; 839 mbx.cmd.length = 0; 840 mbx.res.length = 0; 841 if (mcd_send(sc, &mbx, 0) != 0) 842 return 0; 843 844 /* Get info about the drive. */ 845 mbx.cmd.opcode = MCD_CMDCONTINFO; 846 mbx.cmd.length = 0; 847 mbx.res.length = sizeof(mbx.res.data.continfo); 848 if (mcd_send(sc, &mbx, 0) != 0) 849 return 0; 850 851 /* 852 * The following is code which is not guaranteed to work for all 853 * drives, because the meaning of the expected 'M' is not clear 854 * (M_itsumi is an obvious assumption, but I don't trust that). 855 * Also, the original hack had a bogus condition that always 856 * returned true. 857 * 858 * Note: Which models support interrupts? >=LU005S? 859 */ 860 sc->readcmd = MCD_CMDREADSINGLESPEED; 861 switch (mbx.res.data.continfo.code) { 862 case 'M': 863 if (mbx.res.data.continfo.version <= 2) 864 sc->type = "LU002S"; 865 else if (mbx.res.data.continfo.version <= 5) 866 sc->type = "LU005S"; 867 else 868 sc->type = "LU006S"; 869 break; 870 case 'F': 871 sc->type = "FX001"; 872 break; 873 case 'D': 874 sc->type = "FX001D"; 875 sc->readcmd = MCD_CMDREADDOUBLESPEED; 876 break; 877 default: 878 /* 879 * mcd_send() says the response looked OK but the 880 * drive type is unknown. If mcd_promisc, match anyway. 881 */ 882 if (mcd_promisc != 0) 883 return 0; 884 885 #ifdef MCDDEBUG 886 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 887 sc->sc_dev.dv_xname, 888 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 889 #endif 890 sc->type = 0; 891 break; 892 } 893 894 return 1; 895 896 } 897 898 int 899 mcdprobe(parent, match, aux) 900 struct device *parent; 901 struct cfdata *match; 902 void *aux; 903 { 904 struct isa_attach_args *ia = aux; 905 struct mcd_softc sc; 906 bus_space_tag_t iot = ia->ia_iot; 907 bus_space_handle_t ioh; 908 int rv; 909 910 /* Disallow wildcarded i/o address. */ 911 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 912 return (0); 913 914 /* Map i/o space */ 915 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 916 return 0; 917 918 sc.debug = 0; 919 sc.probe = 1; 920 921 rv = mcd_find(iot, ioh, &sc); 922 923 bus_space_unmap(iot, ioh, MCD_NPORT); 924 925 if (rv) { 926 ia->ia_iosize = MCD_NPORT; 927 ia->ia_msize = 0; 928 } 929 930 return (rv); 931 } 932 933 int 934 mcd_getreply(sc) 935 struct mcd_softc *sc; 936 { 937 bus_space_tag_t iot = sc->sc_iot; 938 bus_space_handle_t ioh = sc->sc_ioh; 939 int i; 940 941 /* Wait until xfer port senses data ready. */ 942 for (i = DELAY_GETREPLY; i; i--) { 943 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 944 MCD_XF_STATUSUNAVAIL) == 0) 945 break; 946 delay(DELAY_GRANULARITY); 947 } 948 if (!i) 949 return -1; 950 951 /* Get the data. */ 952 return bus_space_read_1(iot, ioh, MCD_STATUS); 953 } 954 955 int 956 mcd_getstat(sc) 957 struct mcd_softc *sc; 958 { 959 struct mcd_mbox mbx; 960 961 mbx.cmd.opcode = MCD_CMDGETSTAT; 962 mbx.cmd.length = 0; 963 mbx.res.length = 0; 964 return mcd_send(sc, &mbx, 1); 965 } 966 967 int 968 mcd_getresult(sc, res) 969 struct mcd_softc *sc; 970 struct mcd_result *res; 971 { 972 int i, x; 973 974 if (sc->debug) 975 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 976 res->length); 977 978 if ((x = mcd_getreply(sc)) < 0) { 979 if (sc->debug) 980 printf(" timeout\n"); 981 else if (!sc->probe) 982 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 983 return EIO; 984 } 985 if (sc->debug) 986 printf(" %02x", (u_int)x); 987 sc->status = x; 988 mcd_setflags(sc); 989 990 if ((sc->status & MCD_ST_CMDCHECK) != 0) 991 return EINVAL; 992 993 for (i = 0; i < res->length; i++) { 994 if ((x = mcd_getreply(sc)) < 0) { 995 if (sc->debug) 996 printf(" timeout\n"); 997 else 998 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 999 return EIO; 1000 } 1001 if (sc->debug) 1002 printf(" %02x", (u_int)x); 1003 res->data.raw.data[i] = x; 1004 } 1005 1006 if (sc->debug) 1007 printf(" succeeded\n"); 1008 1009 #ifdef MCDDEBUG 1010 delay(10); 1011 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1012 MCD_XF_STATUSUNAVAIL) == 0) { 1013 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1014 printf("%s: got extra byte %02x during getstatus\n", 1015 sc->sc_dev.dv_xname, (u_int)x); 1016 delay(10); 1017 } 1018 #endif 1019 1020 return 0; 1021 } 1022 1023 void 1024 mcd_setflags(sc) 1025 struct mcd_softc *sc; 1026 { 1027 1028 /* Check flags. */ 1029 if ((sc->flags & MCDF_LOADED) != 0 && 1030 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1031 MCD_ST_DSKIN) { 1032 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1033 printf("%s: door open\n", sc->sc_dev.dv_xname); 1034 else if ((sc->status & MCD_ST_DSKIN) == 0) 1035 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1036 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1037 printf("%s: media change\n", sc->sc_dev.dv_xname); 1038 sc->flags &= ~MCDF_LOADED; 1039 } 1040 1041 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1042 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1043 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1044 sc->audio_status == CD_AS_AUDIO_INVALID) 1045 sc->audio_status = CD_AS_PLAY_COMPLETED; 1046 } 1047 1048 int 1049 mcd_send(sc, mbx, diskin) 1050 struct mcd_softc *sc; 1051 struct mcd_mbox *mbx; 1052 int diskin; 1053 { 1054 int retry, i, error; 1055 bus_space_tag_t iot = sc->sc_iot; 1056 bus_space_handle_t ioh = sc->sc_ioh; 1057 1058 if (sc->debug) { 1059 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1060 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1061 for (i = 0; i < mbx->cmd.length; i++) 1062 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1063 printf("\n"); 1064 } 1065 1066 for (retry = MCD_RETRIES; retry; retry--) { 1067 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1068 for (i = 0; i < mbx->cmd.length; i++) 1069 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1070 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1071 break; 1072 if (error == EINVAL) 1073 return error; 1074 } 1075 if (!retry) 1076 return error; 1077 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1078 return EIO; 1079 1080 return 0; 1081 } 1082 1083 static int 1084 bcd2bin(b) 1085 bcd_t b; 1086 { 1087 1088 return (b >> 4) * 10 + (b & 15); 1089 } 1090 1091 static bcd_t 1092 bin2bcd(b) 1093 int b; 1094 { 1095 1096 return ((b / 10) << 4) | (b % 10); 1097 } 1098 1099 static void 1100 hsg2msf(hsg, msf) 1101 int hsg; 1102 bcd_t *msf; 1103 { 1104 1105 hsg += 150; 1106 F_msf(msf) = bin2bcd(hsg % 75); 1107 hsg /= 75; 1108 S_msf(msf) = bin2bcd(hsg % 60); 1109 hsg /= 60; 1110 M_msf(msf) = bin2bcd(hsg); 1111 } 1112 1113 static daddr_t 1114 msf2hsg(msf, relative) 1115 bcd_t *msf; 1116 int relative; 1117 { 1118 daddr_t blkno; 1119 1120 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1121 bcd2bin(S_msf(msf)) * 75 + 1122 bcd2bin(F_msf(msf)); 1123 if (!relative) 1124 blkno -= 150; 1125 return blkno; 1126 } 1127 1128 void 1129 mcd_pseudointr(v) 1130 void *v; 1131 { 1132 struct mcd_softc *sc = v; 1133 int s; 1134 1135 s = splbio(); 1136 (void) mcdintr(sc); 1137 splx(s); 1138 } 1139 1140 /* 1141 * State machine to process read requests. 1142 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1143 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1144 * MCD_S_WAITREAD: wait for read ready, read data. 1145 */ 1146 int 1147 mcdintr(arg) 1148 void *arg; 1149 { 1150 struct mcd_softc *sc = arg; 1151 struct mcd_mbx *mbx = &sc->mbx; 1152 struct buf *bp = mbx->bp; 1153 bus_space_tag_t iot = sc->sc_iot; 1154 bus_space_handle_t ioh = sc->sc_ioh; 1155 1156 int i; 1157 u_char x; 1158 bcd_t msf[3]; 1159 1160 switch (mbx->state) { 1161 case MCD_S_IDLE: 1162 return 0; 1163 1164 case MCD_S_BEGIN: 1165 tryagain: 1166 if (mbx->mode == sc->lastmode) 1167 goto firstblock; 1168 1169 sc->lastmode = MCD_MD_UNKNOWN; 1170 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1171 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1172 1173 mbx->count = RDELAY_WAITMODE; 1174 mbx->state = MCD_S_WAITMODE; 1175 1176 case MCD_S_WAITMODE: 1177 untimeout(mcd_pseudointr, sc); 1178 for (i = 20; i; i--) { 1179 x = bus_space_read_1(iot, ioh, MCD_XFER); 1180 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1181 break; 1182 delay(50); 1183 } 1184 if (i == 0) 1185 goto hold; 1186 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1187 mcd_setflags(sc); 1188 if ((sc->flags & MCDF_LOADED) == 0) 1189 goto changed; 1190 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1191 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1192 1193 sc->lastmode = mbx->mode; 1194 1195 firstblock: 1196 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1197 bp, 0, 0); 1198 1199 /* Build parameter block. */ 1200 hsg2msf(mbx->blkno, msf); 1201 1202 /* Send the read command. */ 1203 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1204 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1205 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1206 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1207 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1208 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1209 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1210 1211 mbx->count = RDELAY_WAITREAD; 1212 mbx->state = MCD_S_WAITREAD; 1213 1214 case MCD_S_WAITREAD: 1215 untimeout(mcd_pseudointr, sc); 1216 nextblock: 1217 loop: 1218 for (i = 20; i; i--) { 1219 x = bus_space_read_1(iot, ioh, MCD_XFER); 1220 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1221 goto gotblock; 1222 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1223 break; 1224 delay(50); 1225 } 1226 if (i == 0) 1227 goto hold; 1228 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1229 mcd_setflags(sc); 1230 if ((sc->flags & MCDF_LOADED) == 0) 1231 goto changed; 1232 #if 0 1233 printf("%s: got status byte %02x during read\n", 1234 sc->sc_dev.dv_xname, (u_int)sc->status); 1235 #endif 1236 goto loop; 1237 1238 gotblock: 1239 MCD_TRACE("doread: got data delay=%d\n", 1240 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1241 1242 /* Data is ready. */ 1243 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1244 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1245 bp->b_data + mbx->skip, mbx->sz); 1246 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1247 mbx->blkno += 1; 1248 mbx->skip += mbx->sz; 1249 if (--mbx->nblk > 0) 1250 goto nextblock; 1251 1252 mbx->state = MCD_S_IDLE; 1253 1254 /* Return buffer. */ 1255 bp->b_resid = 0; 1256 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1257 biodone(bp); 1258 1259 mcdstart(sc); 1260 return 1; 1261 1262 hold: 1263 if (mbx->count-- < 0) { 1264 printf("%s: timeout in state %d", 1265 sc->sc_dev.dv_xname, mbx->state); 1266 goto readerr; 1267 } 1268 1269 #if 0 1270 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1271 mbx->state); 1272 #endif 1273 timeout(mcd_pseudointr, sc, hz / 100); 1274 return -1; 1275 } 1276 1277 readerr: 1278 if (mbx->retry-- > 0) { 1279 printf("; retrying\n"); 1280 goto tryagain; 1281 } else 1282 printf("; giving up\n"); 1283 1284 changed: 1285 /* Invalidate the buffer. */ 1286 bp->b_flags |= B_ERROR; 1287 bp->b_resid = bp->b_bcount - mbx->skip; 1288 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1289 biodone(bp); 1290 1291 mcdstart(sc); 1292 return -1; 1293 1294 #ifdef notyet 1295 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1296 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1297 delay(300000); 1298 (void) mcd_getstat(sc, 1); 1299 (void) mcd_getstat(sc, 1); 1300 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1301 sc->debug = 1; /* preventive set debug mode */ 1302 #endif 1303 } 1304 1305 void 1306 mcd_soft_reset(sc) 1307 struct mcd_softc *sc; 1308 { 1309 1310 sc->debug = 0; 1311 sc->flags = 0; 1312 sc->lastmode = MCD_MD_UNKNOWN; 1313 sc->lastupc = MCD_UPC_UNKNOWN; 1314 sc->audio_status = CD_AS_AUDIO_INVALID; 1315 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1316 } 1317 1318 int 1319 mcd_hard_reset(sc) 1320 struct mcd_softc *sc; 1321 { 1322 struct mcd_mbox mbx; 1323 1324 mcd_soft_reset(sc); 1325 1326 mbx.cmd.opcode = MCD_CMDRESET; 1327 mbx.cmd.length = 0; 1328 mbx.res.length = 0; 1329 return mcd_send(sc, &mbx, 0); 1330 } 1331 1332 int 1333 mcd_setmode(sc, mode) 1334 struct mcd_softc *sc; 1335 int mode; 1336 { 1337 struct mcd_mbox mbx; 1338 int error; 1339 1340 if (sc->lastmode == mode) 1341 return 0; 1342 if (sc->debug) 1343 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1344 sc->lastmode = MCD_MD_UNKNOWN; 1345 1346 mbx.cmd.opcode = MCD_CMDSETMODE; 1347 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1348 mbx.cmd.data.datamode.mode = mode; 1349 mbx.res.length = 0; 1350 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1351 return error; 1352 1353 sc->lastmode = mode; 1354 return 0; 1355 } 1356 1357 int 1358 mcd_setupc(sc, upc) 1359 struct mcd_softc *sc; 1360 int upc; 1361 { 1362 struct mcd_mbox mbx; 1363 int error; 1364 1365 if (sc->lastupc == upc) 1366 return 0; 1367 if (sc->debug) 1368 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1369 sc->lastupc = MCD_UPC_UNKNOWN; 1370 1371 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1372 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1373 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1374 mbx.cmd.data.config.data1 = upc; 1375 mbx.res.length = 0; 1376 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1377 return error; 1378 1379 sc->lastupc = upc; 1380 return 0; 1381 } 1382 1383 int 1384 mcd_toc_header(sc, th) 1385 struct mcd_softc *sc; 1386 struct ioc_toc_header *th; 1387 { 1388 1389 if (sc->debug) 1390 printf("%s: mcd_toc_header: reading toc header\n", 1391 sc->sc_dev.dv_xname); 1392 1393 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1394 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1395 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1396 1397 return 0; 1398 } 1399 1400 int 1401 mcd_read_toc(sc) 1402 struct mcd_softc *sc; 1403 { 1404 struct ioc_toc_header th; 1405 union mcd_qchninfo q; 1406 int error, trk, idx, retry; 1407 1408 if ((error = mcd_toc_header(sc, &th)) != 0) 1409 return error; 1410 1411 if ((error = mcd_stop(sc)) != 0) 1412 return error; 1413 1414 if (sc->debug) 1415 printf("%s: read_toc: reading qchannel info\n", 1416 sc->sc_dev.dv_xname); 1417 1418 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1419 sc->toc[trk].toc.idx_no = 0x00; 1420 trk = th.ending_track - th.starting_track + 1; 1421 for (retry = 300; retry && trk > 0; retry--) { 1422 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1423 break; 1424 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1425 continue; 1426 idx = bcd2bin(q.toc.idx_no); 1427 if (idx < MCD_MAXTOCS && 1428 sc->toc[idx].toc.idx_no == 0x00) { 1429 sc->toc[idx] = q; 1430 trk--; 1431 } 1432 } 1433 1434 /* Inform the drive that we're finished so it turns off the light. */ 1435 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1436 return error; 1437 1438 if (trk != 0) 1439 return EINVAL; 1440 1441 /* Add a fake last+1 for mcd_playtracks(). */ 1442 idx = th.ending_track + 1; 1443 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1444 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1445 sc->toc[idx].toc.trk_no = 0x00; 1446 sc->toc[idx].toc.idx_no = 0xaa; 1447 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1448 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1449 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1450 1451 return 0; 1452 } 1453 1454 int 1455 mcd_toc_entries(sc, te) 1456 struct mcd_softc *sc; 1457 struct ioc_read_toc_entry *te; 1458 { 1459 int len = te->data_len; 1460 struct ret_toc { 1461 struct ioc_toc_header header; 1462 struct cd_toc_entry entries[MCD_MAXTOCS]; 1463 } data; 1464 u_char trk; 1465 daddr_t lba; 1466 int error, n; 1467 1468 if (len > sizeof(data.entries) || 1469 len < sizeof(struct cd_toc_entry)) 1470 return EINVAL; 1471 if (te->address_format != CD_MSF_FORMAT && 1472 te->address_format != CD_LBA_FORMAT) 1473 return EINVAL; 1474 1475 /* Copy the TOC header. */ 1476 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1477 return error; 1478 1479 /* Verify starting track. */ 1480 trk = te->starting_track; 1481 if (trk == 0x00) 1482 trk = data.header.starting_track; 1483 else if (trk == 0xaa) 1484 trk = data.header.ending_track + 1; 1485 else if (trk < data.header.starting_track || 1486 trk > data.header.ending_track + 1) 1487 return EINVAL; 1488 1489 /* Copy the TOC data. */ 1490 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1491 if (sc->toc[trk].toc.idx_no == 0x00) 1492 continue; 1493 data.entries[n].control = sc->toc[trk].toc.control; 1494 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1495 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1496 switch (te->address_format) { 1497 case CD_MSF_FORMAT: 1498 data.entries[n].addr.addr[0] = 0; 1499 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1500 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1501 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1502 break; 1503 case CD_LBA_FORMAT: 1504 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1505 data.entries[n].addr.addr[0] = lba >> 24; 1506 data.entries[n].addr.addr[1] = lba >> 16; 1507 data.entries[n].addr.addr[2] = lba >> 8; 1508 data.entries[n].addr.addr[3] = lba; 1509 break; 1510 } 1511 n++; 1512 } 1513 1514 len = min(len, n * sizeof(struct cd_toc_entry)); 1515 1516 /* Copy the data back. */ 1517 return copyout(&data.entries[0], te->data, len); 1518 } 1519 1520 int 1521 mcd_stop(sc) 1522 struct mcd_softc *sc; 1523 { 1524 struct mcd_mbox mbx; 1525 int error; 1526 1527 if (sc->debug) 1528 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1529 1530 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1531 mbx.cmd.length = 0; 1532 mbx.res.length = 0; 1533 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1534 return error; 1535 1536 sc->audio_status = CD_AS_PLAY_COMPLETED; 1537 return 0; 1538 } 1539 1540 int 1541 mcd_getqchan(sc, q, qchn) 1542 struct mcd_softc *sc; 1543 union mcd_qchninfo *q; 1544 int qchn; 1545 { 1546 struct mcd_mbox mbx; 1547 int error; 1548 1549 if (qchn == CD_TRACK_INFO) { 1550 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1551 return error; 1552 } else { 1553 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1554 return error; 1555 } 1556 if (qchn == CD_MEDIA_CATALOG) { 1557 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1558 return error; 1559 } else { 1560 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1561 return error; 1562 } 1563 1564 mbx.cmd.opcode = MCD_CMDGETQCHN; 1565 mbx.cmd.length = 0; 1566 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1567 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1568 return error; 1569 1570 *q = mbx.res.data.qchninfo; 1571 return 0; 1572 } 1573 1574 int 1575 mcd_read_subchannel(sc, ch) 1576 struct mcd_softc *sc; 1577 struct ioc_read_subchannel *ch; 1578 { 1579 int len = ch->data_len; 1580 union mcd_qchninfo q; 1581 struct cd_sub_channel_info data; 1582 daddr_t lba; 1583 int error; 1584 1585 if (sc->debug) 1586 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1587 ch->address_format, ch->data_format); 1588 1589 if (len > sizeof(data) || 1590 len < sizeof(struct cd_sub_channel_header)) 1591 return EINVAL; 1592 if (ch->address_format != CD_MSF_FORMAT && 1593 ch->address_format != CD_LBA_FORMAT) 1594 return EINVAL; 1595 if (ch->data_format != CD_CURRENT_POSITION && 1596 ch->data_format != CD_MEDIA_CATALOG) 1597 return EINVAL; 1598 1599 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1600 return error; 1601 1602 data.header.audio_status = sc->audio_status; 1603 data.what.media_catalog.data_format = ch->data_format; 1604 1605 switch (ch->data_format) { 1606 case CD_MEDIA_CATALOG: 1607 data.what.media_catalog.mc_valid = 1; 1608 #if 0 1609 data.what.media_catalog.mc_number = 1610 #endif 1611 break; 1612 1613 case CD_CURRENT_POSITION: 1614 data.what.position.track_number = bcd2bin(q.current.trk_no); 1615 data.what.position.index_number = bcd2bin(q.current.idx_no); 1616 switch (ch->address_format) { 1617 case CD_MSF_FORMAT: 1618 data.what.position.reladdr.addr[0] = 0; 1619 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1620 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1621 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1622 data.what.position.absaddr.addr[0] = 0; 1623 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1624 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1625 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1626 break; 1627 case CD_LBA_FORMAT: 1628 lba = msf2hsg(q.current.relative_pos, 1); 1629 /* 1630 * Pre-gap has index number of 0, and decreasing MSF 1631 * address. Must be converted to negative LBA, per 1632 * SCSI spec. 1633 */ 1634 if (data.what.position.index_number == 0x00) 1635 lba = -lba; 1636 data.what.position.reladdr.addr[0] = lba >> 24; 1637 data.what.position.reladdr.addr[1] = lba >> 16; 1638 data.what.position.reladdr.addr[2] = lba >> 8; 1639 data.what.position.reladdr.addr[3] = lba; 1640 lba = msf2hsg(q.current.absolute_pos, 0); 1641 data.what.position.absaddr.addr[0] = lba >> 24; 1642 data.what.position.absaddr.addr[1] = lba >> 16; 1643 data.what.position.absaddr.addr[2] = lba >> 8; 1644 data.what.position.absaddr.addr[3] = lba; 1645 break; 1646 } 1647 break; 1648 } 1649 1650 return copyout(&data, ch->data, len); 1651 } 1652 1653 int 1654 mcd_playtracks(sc, p) 1655 struct mcd_softc *sc; 1656 struct ioc_play_track *p; 1657 { 1658 struct mcd_mbox mbx; 1659 int a = p->start_track; 1660 int z = p->end_track; 1661 int error; 1662 1663 if (sc->debug) 1664 printf("%s: playtracks: from %d:%d to %d:%d\n", 1665 sc->sc_dev.dv_xname, 1666 a, p->start_index, z, p->end_index); 1667 1668 if (a < bcd2bin(sc->volinfo.trk_low) || 1669 a > bcd2bin(sc->volinfo.trk_high) || 1670 a > z || 1671 z < bcd2bin(sc->volinfo.trk_low) || 1672 z > bcd2bin(sc->volinfo.trk_high)) 1673 return EINVAL; 1674 1675 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1676 return error; 1677 1678 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1679 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1680 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1681 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1682 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1683 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1684 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1685 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1686 sc->lastpb = mbx.cmd; 1687 mbx.res.length = 0; 1688 return mcd_send(sc, &mbx, 1); 1689 } 1690 1691 int 1692 mcd_playmsf(sc, p) 1693 struct mcd_softc *sc; 1694 struct ioc_play_msf *p; 1695 { 1696 struct mcd_mbox mbx; 1697 int error; 1698 1699 if (sc->debug) 1700 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1701 sc->sc_dev.dv_xname, 1702 p->start_m, p->start_s, p->start_f, 1703 p->end_m, p->end_s, p->end_f); 1704 1705 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1706 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1707 return EINVAL; 1708 1709 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1710 return error; 1711 1712 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1713 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1714 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1715 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1716 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1717 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1718 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1719 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1720 sc->lastpb = mbx.cmd; 1721 mbx.res.length = 0; 1722 return mcd_send(sc, &mbx, 1); 1723 } 1724 1725 int 1726 mcd_playblocks(sc, p) 1727 struct mcd_softc *sc; 1728 struct ioc_play_blocks *p; 1729 { 1730 struct mcd_mbox mbx; 1731 int error; 1732 1733 if (sc->debug) 1734 printf("%s: playblocks: blkno %d length %d\n", 1735 sc->sc_dev.dv_xname, p->blk, p->len); 1736 1737 if (p->blk > sc->disksize || p->len > sc->disksize || 1738 (p->blk + p->len) > sc->disksize) 1739 return 0; 1740 1741 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1742 return error; 1743 1744 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1745 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1746 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1747 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1748 sc->lastpb = mbx.cmd; 1749 mbx.res.length = 0; 1750 return mcd_send(sc, &mbx, 1); 1751 } 1752 1753 int 1754 mcd_pause(sc) 1755 struct mcd_softc *sc; 1756 { 1757 union mcd_qchninfo q; 1758 int error; 1759 1760 /* Verify current status. */ 1761 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1762 printf("%s: pause: attempted when not playing\n", 1763 sc->sc_dev.dv_xname); 1764 return EINVAL; 1765 } 1766 1767 /* Get the current position. */ 1768 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1769 return error; 1770 1771 /* Copy it into lastpb. */ 1772 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1773 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1774 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1775 1776 /* Stop playing. */ 1777 if ((error = mcd_stop(sc)) != 0) 1778 return error; 1779 1780 /* Set the proper status and exit. */ 1781 sc->audio_status = CD_AS_PLAY_PAUSED; 1782 return 0; 1783 } 1784 1785 int 1786 mcd_resume(sc) 1787 struct mcd_softc *sc; 1788 { 1789 struct mcd_mbox mbx; 1790 int error; 1791 1792 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1793 return EINVAL; 1794 1795 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1796 return error; 1797 1798 mbx.cmd = sc->lastpb; 1799 mbx.res.length = 0; 1800 return mcd_send(sc, &mbx, 1); 1801 } 1802 1803 int 1804 mcd_eject(sc) 1805 struct mcd_softc *sc; 1806 { 1807 struct mcd_mbox mbx; 1808 1809 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1810 mbx.cmd.length = 0; 1811 mbx.res.length = 0; 1812 return mcd_send(sc, &mbx, 0); 1813 } 1814 1815 int 1816 mcd_setlock(sc, mode) 1817 struct mcd_softc *sc; 1818 int mode; 1819 { 1820 struct mcd_mbox mbx; 1821 1822 mbx.cmd.opcode = MCD_CMDSETLOCK; 1823 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1824 mbx.cmd.data.lockmode.mode = mode; 1825 mbx.res.length = 0; 1826 return mcd_send(sc, &mbx, 1); 1827 } 1828
Indexes created Tue Sep 30 07:10:03 GMT 2025