mcd.c revision 1.65
1 /* $NetBSD: mcd.c,v 1.65 2000/02/07 20:16:56 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 struct disklabel *lp = sc->sc_dk.dk_label; 461 daddr_t blkno; 462 int s; 463 464 /* Test validity. */ 465 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 466 bp->b_blkno, bp->b_bcount, 0); 467 if (bp->b_blkno < 0 || 468 (bp->b_bcount % sc->blksize) != 0) { 469 printf("%s: strategy: blkno = %d bcount = %ld\n", 470 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 471 bp->b_error = EINVAL; 472 goto bad; 473 } 474 475 /* If device invalidated (e.g. media change, door open), error. */ 476 if ((sc->flags & MCDF_LOADED) == 0) { 477 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 478 bp->b_error = EIO; 479 goto bad; 480 } 481 482 /* No data to read. */ 483 if (bp->b_bcount == 0) 484 goto done; 485 486 /* 487 * Do bounds checking, adjust transfer. if error, process. 488 * If end of partition, just return. 489 */ 490 if (MCDPART(bp->b_dev) != RAW_PART && 491 bounds_check_with_label(bp, lp, 492 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 493 goto done; 494 495 /* 496 * Now convert the block number to absolute and put it in 497 * terms of the device's logical block size. 498 */ 499 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 500 if (MCDPART(bp->b_dev) != RAW_PART) 501 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 502 503 bp->b_rawblkno = blkno; 504 505 /* Queue it. */ 506 s = splbio(); 507 disksort_blkno(&sc->buf_queue, bp); 508 splx(s); 509 if (!sc->active) 510 mcdstart(sc); 511 return; 512 513 bad: 514 bp->b_flags |= B_ERROR; 515 done: 516 bp->b_resid = bp->b_bcount; 517 biodone(bp); 518 } 519 520 void 521 mcdstart(sc) 522 struct mcd_softc *sc; 523 { 524 struct buf *bp; 525 int s; 526 527 loop: 528 s = splbio(); 529 530 if ((bp = BUFQ_FIRST(&sc->buf_queue)) == NULL) { 531 /* Nothing to do. */ 532 sc->active = 0; 533 splx(s); 534 return; 535 } 536 537 /* Block found to process; dequeue. */ 538 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 539 BUFQ_REMOVE(&sc->buf_queue, bp); 540 splx(s); 541 542 /* Changed media? */ 543 if ((sc->flags & MCDF_LOADED) == 0) { 544 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 545 bp->b_error = EIO; 546 bp->b_flags |= B_ERROR; 547 biodone(bp); 548 goto loop; 549 } 550 551 sc->active = 1; 552 553 /* Instrumentation. */ 554 s = splbio(); 555 disk_busy(&sc->sc_dk); 556 splx(s); 557 558 sc->mbx.retry = MCD_RDRETRIES; 559 sc->mbx.bp = bp; 560 sc->mbx.blkno = bp->b_rawblkno; 561 sc->mbx.nblk = bp->b_bcount / sc->blksize; 562 sc->mbx.sz = sc->blksize; 563 sc->mbx.skip = 0; 564 sc->mbx.state = MCD_S_BEGIN; 565 sc->mbx.mode = MCD_MD_COOKED; 566 567 s = splbio(); 568 (void) mcdintr(sc); 569 splx(s); 570 } 571 572 int 573 mcdread(dev, uio, flags) 574 dev_t dev; 575 struct uio *uio; 576 int flags; 577 { 578 579 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 580 } 581 582 int 583 mcdwrite(dev, uio, flags) 584 dev_t dev; 585 struct uio *uio; 586 int flags; 587 { 588 589 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 590 } 591 592 int 593 mcdioctl(dev, cmd, addr, flag, p) 594 dev_t dev; 595 u_long cmd; 596 caddr_t addr; 597 int flag; 598 struct proc *p; 599 { 600 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 601 int error; 602 int part; 603 604 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 605 606 if ((sc->flags & MCDF_LOADED) == 0) 607 return EIO; 608 609 part = MCDPART(dev); 610 switch (cmd) { 611 case DIOCGDINFO: 612 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 613 return 0; 614 615 case DIOCGPART: 616 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 617 ((struct partinfo *)addr)->part = 618 &sc->sc_dk.dk_label->d_partitions[part]; 619 return 0; 620 621 case DIOCWDINFO: 622 case DIOCSDINFO: 623 if ((flag & FWRITE) == 0) 624 return EBADF; 625 626 if ((error = mcdlock(sc)) != 0) 627 return error; 628 sc->flags |= MCDF_LABELLING; 629 630 error = setdisklabel(sc->sc_dk.dk_label, 631 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 632 sc->sc_dk.dk_cpulabel); 633 if (error == 0) { 634 } 635 636 sc->flags &= ~MCDF_LABELLING; 637 mcdunlock(sc); 638 return error; 639 640 case DIOCWLABEL: 641 return EBADF; 642 643 case DIOCGDEFLABEL: 644 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 645 return 0; 646 647 case CDIOCPLAYTRACKS: 648 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 649 case CDIOCPLAYMSF: 650 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 651 case CDIOCPLAYBLOCKS: 652 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 653 case CDIOCREADSUBCHANNEL: 654 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 655 case CDIOREADTOCHEADER: 656 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 657 case CDIOREADTOCENTRYS: 658 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 659 case CDIOCSETPATCH: 660 case CDIOCGETVOL: 661 case CDIOCSETVOL: 662 case CDIOCSETMONO: 663 case CDIOCSETSTEREO: 664 case CDIOCSETMUTE: 665 case CDIOCSETLEFT: 666 case CDIOCSETRIGHT: 667 return EINVAL; 668 case CDIOCRESUME: 669 return mcd_resume(sc); 670 case CDIOCPAUSE: 671 return mcd_pause(sc); 672 case CDIOCSTART: 673 return EINVAL; 674 case CDIOCSTOP: 675 return mcd_stop(sc); 676 case DIOCEJECT: 677 if (*(int *)addr == 0) { 678 /* 679 * Don't force eject: check that we are the only 680 * partition open. If so, unlock it. 681 */ 682 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 683 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 684 sc->sc_dk.dk_openmask) { 685 error = mcd_setlock(sc, MCD_LK_UNLOCK); 686 if (error) 687 return (error); 688 } else { 689 return (EBUSY); 690 } 691 } 692 /* FALLTHROUGH */ 693 case CDIOCEJECT: /* FALLTHROUGH */ 694 case ODIOCEJECT: 695 return mcd_eject(sc); 696 case CDIOCALLOW: 697 return mcd_setlock(sc, MCD_LK_UNLOCK); 698 case CDIOCPREVENT: 699 return mcd_setlock(sc, MCD_LK_LOCK); 700 case DIOCLOCK: 701 return mcd_setlock(sc, 702 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 703 case CDIOCSETDEBUG: 704 sc->debug = 1; 705 return 0; 706 case CDIOCCLRDEBUG: 707 sc->debug = 0; 708 return 0; 709 case CDIOCRESET: 710 return mcd_hard_reset(sc); 711 712 default: 713 return ENOTTY; 714 } 715 716 #ifdef DIAGNOSTIC 717 panic("mcdioctl: impossible"); 718 #endif 719 } 720 721 void 722 mcdgetdefaultlabel(sc, lp) 723 struct mcd_softc *sc; 724 struct disklabel *lp; 725 { 726 727 bzero(lp, sizeof(struct disklabel)); 728 729 lp->d_secsize = sc->blksize; 730 lp->d_ntracks = 1; 731 lp->d_nsectors = 100; 732 lp->d_ncylinders = (sc->disksize / 100) + 1; 733 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 734 735 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 736 lp->d_type = 0; /* XXX */ 737 strncpy(lp->d_packname, "fictitious", 16); 738 lp->d_secperunit = sc->disksize; 739 lp->d_rpm = 300; 740 lp->d_interleave = 1; 741 lp->d_flags = D_REMOVABLE; 742 743 lp->d_partitions[0].p_offset = 0; 744 lp->d_partitions[0].p_size = 745 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 746 lp->d_partitions[0].p_fstype = FS_ISO9660; 747 lp->d_partitions[RAW_PART].p_offset = 0; 748 lp->d_partitions[RAW_PART].p_size = 749 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 750 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 751 lp->d_npartitions = RAW_PART + 1; 752 753 lp->d_magic = DISKMAGIC; 754 lp->d_magic2 = DISKMAGIC; 755 lp->d_checksum = dkcksum(lp); 756 } 757 758 /* 759 * This could have been taken from scsi/cd.c, but it is not clear 760 * whether the scsi cd driver is linked in. 761 */ 762 void 763 mcdgetdisklabel(sc) 764 struct mcd_softc *sc; 765 { 766 struct disklabel *lp = sc->sc_dk.dk_label; 767 768 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 769 770 mcdgetdefaultlabel(sc, lp); 771 } 772 773 int 774 mcd_get_parms(sc) 775 struct mcd_softc *sc; 776 { 777 struct mcd_mbox mbx; 778 daddr_t size; 779 int error; 780 781 /* Send volume info command. */ 782 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 783 mbx.cmd.length = 0; 784 mbx.res.length = sizeof(mbx.res.data.volinfo); 785 if ((error = mcd_send(sc, &mbx, 1)) != 0) 786 return error; 787 788 if (mbx.res.data.volinfo.trk_low == 0x00 && 789 mbx.res.data.volinfo.trk_high == 0x00) 790 return EINVAL; 791 792 /* Volinfo is OK. */ 793 sc->volinfo = mbx.res.data.volinfo; 794 sc->blksize = MCD_BLKSIZE_COOKED; 795 size = msf2hsg(sc->volinfo.vol_msf, 0); 796 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 797 return 0; 798 } 799 800 int 801 mcdsize(dev) 802 dev_t dev; 803 { 804 805 /* CD-ROMs are read-only. */ 806 return -1; 807 } 808 809 int 810 mcddump(dev, blkno, va, size) 811 dev_t dev; 812 daddr_t blkno; 813 caddr_t va; 814 size_t size; 815 { 816 817 /* Not implemented. */ 818 return ENXIO; 819 } 820 821 /* 822 * Find the board and fill in the softc. 823 */ 824 int 825 mcd_find(iot, ioh, sc) 826 bus_space_tag_t iot; 827 bus_space_handle_t ioh; 828 struct mcd_softc *sc; 829 { 830 int i; 831 struct mcd_mbox mbx; 832 833 sc->sc_iot = iot; 834 sc->sc_ioh = ioh; 835 836 /* Send a reset. */ 837 bus_space_write_1(iot, ioh, MCD_RESET, 0); 838 delay(1000000); 839 /* Get any pending status and throw away. */ 840 for (i = 10; i; i--) 841 bus_space_read_1(iot, ioh, MCD_STATUS); 842 delay(1000); 843 844 /* Send get status command. */ 845 mbx.cmd.opcode = MCD_CMDGETSTAT; 846 mbx.cmd.length = 0; 847 mbx.res.length = 0; 848 if (mcd_send(sc, &mbx, 0) != 0) 849 return 0; 850 851 /* Get info about the drive. */ 852 mbx.cmd.opcode = MCD_CMDCONTINFO; 853 mbx.cmd.length = 0; 854 mbx.res.length = sizeof(mbx.res.data.continfo); 855 if (mcd_send(sc, &mbx, 0) != 0) 856 return 0; 857 858 /* 859 * The following is code which is not guaranteed to work for all 860 * drives, because the meaning of the expected 'M' is not clear 861 * (M_itsumi is an obvious assumption, but I don't trust that). 862 * Also, the original hack had a bogus condition that always 863 * returned true. 864 * 865 * Note: Which models support interrupts? >=LU005S? 866 */ 867 sc->readcmd = MCD_CMDREADSINGLESPEED; 868 switch (mbx.res.data.continfo.code) { 869 case 'M': 870 if (mbx.res.data.continfo.version <= 2) 871 sc->type = "LU002S"; 872 else if (mbx.res.data.continfo.version <= 5) 873 sc->type = "LU005S"; 874 else 875 sc->type = "LU006S"; 876 break; 877 case 'F': 878 sc->type = "FX001"; 879 break; 880 case 'D': 881 sc->type = "FX001D"; 882 sc->readcmd = MCD_CMDREADDOUBLESPEED; 883 break; 884 default: 885 /* 886 * mcd_send() says the response looked OK but the 887 * drive type is unknown. If mcd_promisc, match anyway. 888 */ 889 if (mcd_promisc != 0) 890 return 0; 891 892 #ifdef MCDDEBUG 893 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 894 sc->sc_dev.dv_xname, 895 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 896 #endif 897 sc->type = 0; 898 break; 899 } 900 901 return 1; 902 903 } 904 905 int 906 mcdprobe(parent, match, aux) 907 struct device *parent; 908 struct cfdata *match; 909 void *aux; 910 { 911 struct isa_attach_args *ia = aux; 912 struct mcd_softc sc; 913 bus_space_tag_t iot = ia->ia_iot; 914 bus_space_handle_t ioh; 915 int rv; 916 917 /* Disallow wildcarded i/o address. */ 918 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 919 return (0); 920 921 /* Map i/o space */ 922 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 923 return 0; 924 925 sc.debug = 0; 926 sc.probe = 1; 927 928 rv = mcd_find(iot, ioh, &sc); 929 930 bus_space_unmap(iot, ioh, MCD_NPORT); 931 932 if (rv) { 933 ia->ia_iosize = MCD_NPORT; 934 ia->ia_msize = 0; 935 } 936 937 return (rv); 938 } 939 940 int 941 mcd_getreply(sc) 942 struct mcd_softc *sc; 943 { 944 bus_space_tag_t iot = sc->sc_iot; 945 bus_space_handle_t ioh = sc->sc_ioh; 946 int i; 947 948 /* Wait until xfer port senses data ready. */ 949 for (i = DELAY_GETREPLY; i; i--) { 950 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 951 MCD_XF_STATUSUNAVAIL) == 0) 952 break; 953 delay(DELAY_GRANULARITY); 954 } 955 if (!i) 956 return -1; 957 958 /* Get the data. */ 959 return bus_space_read_1(iot, ioh, MCD_STATUS); 960 } 961 962 int 963 mcd_getstat(sc) 964 struct mcd_softc *sc; 965 { 966 struct mcd_mbox mbx; 967 968 mbx.cmd.opcode = MCD_CMDGETSTAT; 969 mbx.cmd.length = 0; 970 mbx.res.length = 0; 971 return mcd_send(sc, &mbx, 1); 972 } 973 974 int 975 mcd_getresult(sc, res) 976 struct mcd_softc *sc; 977 struct mcd_result *res; 978 { 979 int i, x; 980 981 if (sc->debug) 982 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 983 res->length); 984 985 if ((x = mcd_getreply(sc)) < 0) { 986 if (sc->debug) 987 printf(" timeout\n"); 988 else if (!sc->probe) 989 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 990 return EIO; 991 } 992 if (sc->debug) 993 printf(" %02x", (u_int)x); 994 sc->status = x; 995 mcd_setflags(sc); 996 997 if ((sc->status & MCD_ST_CMDCHECK) != 0) 998 return EINVAL; 999 1000 for (i = 0; i < res->length; i++) { 1001 if ((x = mcd_getreply(sc)) < 0) { 1002 if (sc->debug) 1003 printf(" timeout\n"); 1004 else 1005 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1006 return EIO; 1007 } 1008 if (sc->debug) 1009 printf(" %02x", (u_int)x); 1010 res->data.raw.data[i] = x; 1011 } 1012 1013 if (sc->debug) 1014 printf(" succeeded\n"); 1015 1016 #ifdef MCDDEBUG 1017 delay(10); 1018 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1019 MCD_XF_STATUSUNAVAIL) == 0) { 1020 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1021 printf("%s: got extra byte %02x during getstatus\n", 1022 sc->sc_dev.dv_xname, (u_int)x); 1023 delay(10); 1024 } 1025 #endif 1026 1027 return 0; 1028 } 1029 1030 void 1031 mcd_setflags(sc) 1032 struct mcd_softc *sc; 1033 { 1034 1035 /* Check flags. */ 1036 if ((sc->flags & MCDF_LOADED) != 0 && 1037 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1038 MCD_ST_DSKIN) { 1039 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1040 printf("%s: door open\n", sc->sc_dev.dv_xname); 1041 else if ((sc->status & MCD_ST_DSKIN) == 0) 1042 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1043 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1044 printf("%s: media change\n", sc->sc_dev.dv_xname); 1045 sc->flags &= ~MCDF_LOADED; 1046 } 1047 1048 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1049 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1050 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1051 sc->audio_status == CD_AS_AUDIO_INVALID) 1052 sc->audio_status = CD_AS_PLAY_COMPLETED; 1053 } 1054 1055 int 1056 mcd_send(sc, mbx, diskin) 1057 struct mcd_softc *sc; 1058 struct mcd_mbox *mbx; 1059 int diskin; 1060 { 1061 int retry, i, error; 1062 bus_space_tag_t iot = sc->sc_iot; 1063 bus_space_handle_t ioh = sc->sc_ioh; 1064 1065 if (sc->debug) { 1066 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1067 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1068 for (i = 0; i < mbx->cmd.length; i++) 1069 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1070 printf("\n"); 1071 } 1072 1073 for (retry = MCD_RETRIES; retry; retry--) { 1074 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1075 for (i = 0; i < mbx->cmd.length; i++) 1076 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1077 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1078 break; 1079 if (error == EINVAL) 1080 return error; 1081 } 1082 if (!retry) 1083 return error; 1084 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1085 return EIO; 1086 1087 return 0; 1088 } 1089 1090 static int 1091 bcd2bin(b) 1092 bcd_t b; 1093 { 1094 1095 return (b >> 4) * 10 + (b & 15); 1096 } 1097 1098 static bcd_t 1099 bin2bcd(b) 1100 int b; 1101 { 1102 1103 return ((b / 10) << 4) | (b % 10); 1104 } 1105 1106 static void 1107 hsg2msf(hsg, msf) 1108 int hsg; 1109 bcd_t *msf; 1110 { 1111 1112 hsg += 150; 1113 F_msf(msf) = bin2bcd(hsg % 75); 1114 hsg /= 75; 1115 S_msf(msf) = bin2bcd(hsg % 60); 1116 hsg /= 60; 1117 M_msf(msf) = bin2bcd(hsg); 1118 } 1119 1120 static daddr_t 1121 msf2hsg(msf, relative) 1122 bcd_t *msf; 1123 int relative; 1124 { 1125 daddr_t blkno; 1126 1127 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1128 bcd2bin(S_msf(msf)) * 75 + 1129 bcd2bin(F_msf(msf)); 1130 if (!relative) 1131 blkno -= 150; 1132 return blkno; 1133 } 1134 1135 void 1136 mcd_pseudointr(v) 1137 void *v; 1138 { 1139 struct mcd_softc *sc = v; 1140 int s; 1141 1142 s = splbio(); 1143 (void) mcdintr(sc); 1144 splx(s); 1145 } 1146 1147 /* 1148 * State machine to process read requests. 1149 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1150 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1151 * MCD_S_WAITREAD: wait for read ready, read data. 1152 */ 1153 int 1154 mcdintr(arg) 1155 void *arg; 1156 { 1157 struct mcd_softc *sc = arg; 1158 struct mcd_mbx *mbx = &sc->mbx; 1159 struct buf *bp = mbx->bp; 1160 bus_space_tag_t iot = sc->sc_iot; 1161 bus_space_handle_t ioh = sc->sc_ioh; 1162 1163 int i; 1164 u_char x; 1165 bcd_t msf[3]; 1166 1167 switch (mbx->state) { 1168 case MCD_S_IDLE: 1169 return 0; 1170 1171 case MCD_S_BEGIN: 1172 tryagain: 1173 if (mbx->mode == sc->lastmode) 1174 goto firstblock; 1175 1176 sc->lastmode = MCD_MD_UNKNOWN; 1177 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1178 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1179 1180 mbx->count = RDELAY_WAITMODE; 1181 mbx->state = MCD_S_WAITMODE; 1182 1183 case MCD_S_WAITMODE: 1184 untimeout(mcd_pseudointr, sc); 1185 for (i = 20; i; i--) { 1186 x = bus_space_read_1(iot, ioh, MCD_XFER); 1187 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1188 break; 1189 delay(50); 1190 } 1191 if (i == 0) 1192 goto hold; 1193 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1194 mcd_setflags(sc); 1195 if ((sc->flags & MCDF_LOADED) == 0) 1196 goto changed; 1197 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1198 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1199 1200 sc->lastmode = mbx->mode; 1201 1202 firstblock: 1203 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1204 bp, 0, 0); 1205 1206 /* Build parameter block. */ 1207 hsg2msf(mbx->blkno, msf); 1208 1209 /* Send the read command. */ 1210 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1211 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1212 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1213 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1214 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1215 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1216 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1217 1218 mbx->count = RDELAY_WAITREAD; 1219 mbx->state = MCD_S_WAITREAD; 1220 1221 case MCD_S_WAITREAD: 1222 untimeout(mcd_pseudointr, sc); 1223 nextblock: 1224 loop: 1225 for (i = 20; i; i--) { 1226 x = bus_space_read_1(iot, ioh, MCD_XFER); 1227 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1228 goto gotblock; 1229 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1230 break; 1231 delay(50); 1232 } 1233 if (i == 0) 1234 goto hold; 1235 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1236 mcd_setflags(sc); 1237 if ((sc->flags & MCDF_LOADED) == 0) 1238 goto changed; 1239 #if 0 1240 printf("%s: got status byte %02x during read\n", 1241 sc->sc_dev.dv_xname, (u_int)sc->status); 1242 #endif 1243 goto loop; 1244 1245 gotblock: 1246 MCD_TRACE("doread: got data delay=%d\n", 1247 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1248 1249 /* Data is ready. */ 1250 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1251 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1252 bp->b_data + mbx->skip, mbx->sz); 1253 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1254 mbx->blkno += 1; 1255 mbx->skip += mbx->sz; 1256 if (--mbx->nblk > 0) 1257 goto nextblock; 1258 1259 mbx->state = MCD_S_IDLE; 1260 1261 /* Return buffer. */ 1262 bp->b_resid = 0; 1263 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1264 biodone(bp); 1265 1266 mcdstart(sc); 1267 return 1; 1268 1269 hold: 1270 if (mbx->count-- < 0) { 1271 printf("%s: timeout in state %d", 1272 sc->sc_dev.dv_xname, mbx->state); 1273 goto readerr; 1274 } 1275 1276 #if 0 1277 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1278 mbx->state); 1279 #endif 1280 timeout(mcd_pseudointr, sc, hz / 100); 1281 return -1; 1282 } 1283 1284 readerr: 1285 if (mbx->retry-- > 0) { 1286 printf("; retrying\n"); 1287 goto tryagain; 1288 } else 1289 printf("; giving up\n"); 1290 1291 changed: 1292 /* Invalidate the buffer. */ 1293 bp->b_flags |= B_ERROR; 1294 bp->b_resid = bp->b_bcount - mbx->skip; 1295 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1296 biodone(bp); 1297 1298 mcdstart(sc); 1299 return -1; 1300 1301 #ifdef notyet 1302 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1303 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1304 delay(300000); 1305 (void) mcd_getstat(sc, 1); 1306 (void) mcd_getstat(sc, 1); 1307 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1308 sc->debug = 1; /* preventive set debug mode */ 1309 #endif 1310 } 1311 1312 void 1313 mcd_soft_reset(sc) 1314 struct mcd_softc *sc; 1315 { 1316 1317 sc->debug = 0; 1318 sc->flags = 0; 1319 sc->lastmode = MCD_MD_UNKNOWN; 1320 sc->lastupc = MCD_UPC_UNKNOWN; 1321 sc->audio_status = CD_AS_AUDIO_INVALID; 1322 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1323 } 1324 1325 int 1326 mcd_hard_reset(sc) 1327 struct mcd_softc *sc; 1328 { 1329 struct mcd_mbox mbx; 1330 1331 mcd_soft_reset(sc); 1332 1333 mbx.cmd.opcode = MCD_CMDRESET; 1334 mbx.cmd.length = 0; 1335 mbx.res.length = 0; 1336 return mcd_send(sc, &mbx, 0); 1337 } 1338 1339 int 1340 mcd_setmode(sc, mode) 1341 struct mcd_softc *sc; 1342 int mode; 1343 { 1344 struct mcd_mbox mbx; 1345 int error; 1346 1347 if (sc->lastmode == mode) 1348 return 0; 1349 if (sc->debug) 1350 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1351 sc->lastmode = MCD_MD_UNKNOWN; 1352 1353 mbx.cmd.opcode = MCD_CMDSETMODE; 1354 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1355 mbx.cmd.data.datamode.mode = mode; 1356 mbx.res.length = 0; 1357 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1358 return error; 1359 1360 sc->lastmode = mode; 1361 return 0; 1362 } 1363 1364 int 1365 mcd_setupc(sc, upc) 1366 struct mcd_softc *sc; 1367 int upc; 1368 { 1369 struct mcd_mbox mbx; 1370 int error; 1371 1372 if (sc->lastupc == upc) 1373 return 0; 1374 if (sc->debug) 1375 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1376 sc->lastupc = MCD_UPC_UNKNOWN; 1377 1378 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1379 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1380 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1381 mbx.cmd.data.config.data1 = upc; 1382 mbx.res.length = 0; 1383 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1384 return error; 1385 1386 sc->lastupc = upc; 1387 return 0; 1388 } 1389 1390 int 1391 mcd_toc_header(sc, th) 1392 struct mcd_softc *sc; 1393 struct ioc_toc_header *th; 1394 { 1395 1396 if (sc->debug) 1397 printf("%s: mcd_toc_header: reading toc header\n", 1398 sc->sc_dev.dv_xname); 1399 1400 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1401 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1402 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1403 1404 return 0; 1405 } 1406 1407 int 1408 mcd_read_toc(sc) 1409 struct mcd_softc *sc; 1410 { 1411 struct ioc_toc_header th; 1412 union mcd_qchninfo q; 1413 int error, trk, idx, retry; 1414 1415 if ((error = mcd_toc_header(sc, &th)) != 0) 1416 return error; 1417 1418 if ((error = mcd_stop(sc)) != 0) 1419 return error; 1420 1421 if (sc->debug) 1422 printf("%s: read_toc: reading qchannel info\n", 1423 sc->sc_dev.dv_xname); 1424 1425 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1426 sc->toc[trk].toc.idx_no = 0x00; 1427 trk = th.ending_track - th.starting_track + 1; 1428 for (retry = 300; retry && trk > 0; retry--) { 1429 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1430 break; 1431 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1432 continue; 1433 idx = bcd2bin(q.toc.idx_no); 1434 if (idx < MCD_MAXTOCS && 1435 sc->toc[idx].toc.idx_no == 0x00) { 1436 sc->toc[idx] = q; 1437 trk--; 1438 } 1439 } 1440 1441 /* Inform the drive that we're finished so it turns off the light. */ 1442 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1443 return error; 1444 1445 if (trk != 0) 1446 return EINVAL; 1447 1448 /* Add a fake last+1 for mcd_playtracks(). */ 1449 idx = th.ending_track + 1; 1450 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1451 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1452 sc->toc[idx].toc.trk_no = 0x00; 1453 sc->toc[idx].toc.idx_no = 0xaa; 1454 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1455 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1456 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1457 1458 return 0; 1459 } 1460 1461 int 1462 mcd_toc_entries(sc, te) 1463 struct mcd_softc *sc; 1464 struct ioc_read_toc_entry *te; 1465 { 1466 int len = te->data_len; 1467 struct ret_toc { 1468 struct ioc_toc_header header; 1469 struct cd_toc_entry entries[MCD_MAXTOCS]; 1470 } data; 1471 u_char trk; 1472 daddr_t lba; 1473 int error, n; 1474 1475 if (len > sizeof(data.entries) || 1476 len < sizeof(struct cd_toc_entry)) 1477 return EINVAL; 1478 if (te->address_format != CD_MSF_FORMAT && 1479 te->address_format != CD_LBA_FORMAT) 1480 return EINVAL; 1481 1482 /* Copy the TOC header. */ 1483 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1484 return error; 1485 1486 /* Verify starting track. */ 1487 trk = te->starting_track; 1488 if (trk == 0x00) 1489 trk = data.header.starting_track; 1490 else if (trk == 0xaa) 1491 trk = data.header.ending_track + 1; 1492 else if (trk < data.header.starting_track || 1493 trk > data.header.ending_track + 1) 1494 return EINVAL; 1495 1496 /* Copy the TOC data. */ 1497 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1498 if (sc->toc[trk].toc.idx_no == 0x00) 1499 continue; 1500 data.entries[n].control = sc->toc[trk].toc.control; 1501 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1502 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1503 switch (te->address_format) { 1504 case CD_MSF_FORMAT: 1505 data.entries[n].addr.addr[0] = 0; 1506 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1507 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1508 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1509 break; 1510 case CD_LBA_FORMAT: 1511 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1512 data.entries[n].addr.addr[0] = lba >> 24; 1513 data.entries[n].addr.addr[1] = lba >> 16; 1514 data.entries[n].addr.addr[2] = lba >> 8; 1515 data.entries[n].addr.addr[3] = lba; 1516 break; 1517 } 1518 n++; 1519 } 1520 1521 len = min(len, n * sizeof(struct cd_toc_entry)); 1522 1523 /* Copy the data back. */ 1524 return copyout(&data.entries[0], te->data, len); 1525 } 1526 1527 int 1528 mcd_stop(sc) 1529 struct mcd_softc *sc; 1530 { 1531 struct mcd_mbox mbx; 1532 int error; 1533 1534 if (sc->debug) 1535 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1536 1537 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1538 mbx.cmd.length = 0; 1539 mbx.res.length = 0; 1540 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1541 return error; 1542 1543 sc->audio_status = CD_AS_PLAY_COMPLETED; 1544 return 0; 1545 } 1546 1547 int 1548 mcd_getqchan(sc, q, qchn) 1549 struct mcd_softc *sc; 1550 union mcd_qchninfo *q; 1551 int qchn; 1552 { 1553 struct mcd_mbox mbx; 1554 int error; 1555 1556 if (qchn == CD_TRACK_INFO) { 1557 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1558 return error; 1559 } else { 1560 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1561 return error; 1562 } 1563 if (qchn == CD_MEDIA_CATALOG) { 1564 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1565 return error; 1566 } else { 1567 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1568 return error; 1569 } 1570 1571 mbx.cmd.opcode = MCD_CMDGETQCHN; 1572 mbx.cmd.length = 0; 1573 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1574 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1575 return error; 1576 1577 *q = mbx.res.data.qchninfo; 1578 return 0; 1579 } 1580 1581 int 1582 mcd_read_subchannel(sc, ch) 1583 struct mcd_softc *sc; 1584 struct ioc_read_subchannel *ch; 1585 { 1586 int len = ch->data_len; 1587 union mcd_qchninfo q; 1588 struct cd_sub_channel_info data; 1589 daddr_t lba; 1590 int error; 1591 1592 if (sc->debug) 1593 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1594 ch->address_format, ch->data_format); 1595 1596 if (len > sizeof(data) || 1597 len < sizeof(struct cd_sub_channel_header)) 1598 return EINVAL; 1599 if (ch->address_format != CD_MSF_FORMAT && 1600 ch->address_format != CD_LBA_FORMAT) 1601 return EINVAL; 1602 if (ch->data_format != CD_CURRENT_POSITION && 1603 ch->data_format != CD_MEDIA_CATALOG) 1604 return EINVAL; 1605 1606 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1607 return error; 1608 1609 data.header.audio_status = sc->audio_status; 1610 data.what.media_catalog.data_format = ch->data_format; 1611 1612 switch (ch->data_format) { 1613 case CD_MEDIA_CATALOG: 1614 data.what.media_catalog.mc_valid = 1; 1615 #if 0 1616 data.what.media_catalog.mc_number = 1617 #endif 1618 break; 1619 1620 case CD_CURRENT_POSITION: 1621 data.what.position.track_number = bcd2bin(q.current.trk_no); 1622 data.what.position.index_number = bcd2bin(q.current.idx_no); 1623 switch (ch->address_format) { 1624 case CD_MSF_FORMAT: 1625 data.what.position.reladdr.addr[0] = 0; 1626 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1627 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1628 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1629 data.what.position.absaddr.addr[0] = 0; 1630 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1631 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1632 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1633 break; 1634 case CD_LBA_FORMAT: 1635 lba = msf2hsg(q.current.relative_pos, 1); 1636 /* 1637 * Pre-gap has index number of 0, and decreasing MSF 1638 * address. Must be converted to negative LBA, per 1639 * SCSI spec. 1640 */ 1641 if (data.what.position.index_number == 0x00) 1642 lba = -lba; 1643 data.what.position.reladdr.addr[0] = lba >> 24; 1644 data.what.position.reladdr.addr[1] = lba >> 16; 1645 data.what.position.reladdr.addr[2] = lba >> 8; 1646 data.what.position.reladdr.addr[3] = lba; 1647 lba = msf2hsg(q.current.absolute_pos, 0); 1648 data.what.position.absaddr.addr[0] = lba >> 24; 1649 data.what.position.absaddr.addr[1] = lba >> 16; 1650 data.what.position.absaddr.addr[2] = lba >> 8; 1651 data.what.position.absaddr.addr[3] = lba; 1652 break; 1653 } 1654 break; 1655 } 1656 1657 return copyout(&data, ch->data, len); 1658 } 1659 1660 int 1661 mcd_playtracks(sc, p) 1662 struct mcd_softc *sc; 1663 struct ioc_play_track *p; 1664 { 1665 struct mcd_mbox mbx; 1666 int a = p->start_track; 1667 int z = p->end_track; 1668 int error; 1669 1670 if (sc->debug) 1671 printf("%s: playtracks: from %d:%d to %d:%d\n", 1672 sc->sc_dev.dv_xname, 1673 a, p->start_index, z, p->end_index); 1674 1675 if (a < bcd2bin(sc->volinfo.trk_low) || 1676 a > bcd2bin(sc->volinfo.trk_high) || 1677 a > z || 1678 z < bcd2bin(sc->volinfo.trk_low) || 1679 z > bcd2bin(sc->volinfo.trk_high)) 1680 return EINVAL; 1681 1682 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1683 return error; 1684 1685 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1686 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1687 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1688 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1689 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1690 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1691 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1692 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1693 sc->lastpb = mbx.cmd; 1694 mbx.res.length = 0; 1695 return mcd_send(sc, &mbx, 1); 1696 } 1697 1698 int 1699 mcd_playmsf(sc, p) 1700 struct mcd_softc *sc; 1701 struct ioc_play_msf *p; 1702 { 1703 struct mcd_mbox mbx; 1704 int error; 1705 1706 if (sc->debug) 1707 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1708 sc->sc_dev.dv_xname, 1709 p->start_m, p->start_s, p->start_f, 1710 p->end_m, p->end_s, p->end_f); 1711 1712 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1713 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1714 return EINVAL; 1715 1716 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1717 return error; 1718 1719 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1720 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1721 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1722 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1723 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1724 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1725 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1726 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1727 sc->lastpb = mbx.cmd; 1728 mbx.res.length = 0; 1729 return mcd_send(sc, &mbx, 1); 1730 } 1731 1732 int 1733 mcd_playblocks(sc, p) 1734 struct mcd_softc *sc; 1735 struct ioc_play_blocks *p; 1736 { 1737 struct mcd_mbox mbx; 1738 int error; 1739 1740 if (sc->debug) 1741 printf("%s: playblocks: blkno %d length %d\n", 1742 sc->sc_dev.dv_xname, p->blk, p->len); 1743 1744 if (p->blk > sc->disksize || p->len > sc->disksize || 1745 (p->blk + p->len) > sc->disksize) 1746 return 0; 1747 1748 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1749 return error; 1750 1751 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1752 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1753 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1754 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1755 sc->lastpb = mbx.cmd; 1756 mbx.res.length = 0; 1757 return mcd_send(sc, &mbx, 1); 1758 } 1759 1760 int 1761 mcd_pause(sc) 1762 struct mcd_softc *sc; 1763 { 1764 union mcd_qchninfo q; 1765 int error; 1766 1767 /* Verify current status. */ 1768 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1769 printf("%s: pause: attempted when not playing\n", 1770 sc->sc_dev.dv_xname); 1771 return EINVAL; 1772 } 1773 1774 /* Get the current position. */ 1775 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1776 return error; 1777 1778 /* Copy it into lastpb. */ 1779 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1780 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1781 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1782 1783 /* Stop playing. */ 1784 if ((error = mcd_stop(sc)) != 0) 1785 return error; 1786 1787 /* Set the proper status and exit. */ 1788 sc->audio_status = CD_AS_PLAY_PAUSED; 1789 return 0; 1790 } 1791 1792 int 1793 mcd_resume(sc) 1794 struct mcd_softc *sc; 1795 { 1796 struct mcd_mbox mbx; 1797 int error; 1798 1799 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1800 return EINVAL; 1801 1802 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1803 return error; 1804 1805 mbx.cmd = sc->lastpb; 1806 mbx.res.length = 0; 1807 return mcd_send(sc, &mbx, 1); 1808 } 1809 1810 int 1811 mcd_eject(sc) 1812 struct mcd_softc *sc; 1813 { 1814 struct mcd_mbox mbx; 1815 1816 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1817 mbx.cmd.length = 0; 1818 mbx.res.length = 0; 1819 return mcd_send(sc, &mbx, 0); 1820 } 1821 1822 int 1823 mcd_setlock(sc, mode) 1824 struct mcd_softc *sc; 1825 int mode; 1826 { 1827 struct mcd_mbox mbx; 1828 1829 mbx.cmd.opcode = MCD_CMDSETLOCK; 1830 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1831 mbx.cmd.data.lockmode.mode = mode; 1832 mbx.res.length = 0; 1833 return mcd_send(sc, &mbx, 1); 1834 } 1835
Indexes created Tue Sep 30 07:10:03 GMT 2025