mcd.c revision 1.66
1 /* $NetBSD: mcd.c,v 1.66 2000/03/23 07:01:35 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/callout.h> 62 #include <sys/kernel.h> 63 #include <sys/proc.h> 64 #include <sys/conf.h> 65 #include <sys/file.h> 66 #include <sys/buf.h> 67 #include <sys/stat.h> 68 #include <sys/uio.h> 69 #include <sys/ioctl.h> 70 #include <sys/cdio.h> 71 #include <sys/errno.h> 72 #include <sys/disklabel.h> 73 #include <sys/device.h> 74 #include <sys/disk.h> 75 76 #include <machine/cpu.h> 77 #include <machine/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/isa/isavar.h> 81 #include <dev/isa/mcdreg.h> 82 83 #ifndef MCDDEBUG 84 #define MCD_TRACE(fmt,a,b,c,d) 85 #else 86 #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);}} 87 #endif 88 89 #define MCDPART(dev) DISKPART(dev) 90 #define MCDUNIT(dev) DISKUNIT(dev) 91 92 /* toc */ 93 #define MCD_MAXTOCS 104 /* from the Linux driver */ 94 95 /* control promiscuous match */ 96 #include "opt_mcd_promisc.h" 97 98 #ifdef MCD_PROMISC 99 int mcd_promisc = 1; 100 #else 101 int mcd_promisc = 0; 102 #endif 103 104 struct mcd_mbx { 105 int retry, count; 106 struct buf *bp; 107 daddr_t blkno; 108 int nblk; 109 int sz; 110 u_long skip; 111 int state; 112 #define MCD_S_IDLE 0 113 #define MCD_S_BEGIN 1 114 #define MCD_S_WAITMODE 2 115 #define MCD_S_WAITREAD 3 116 int mode; 117 }; 118 119 struct mcd_softc { 120 struct device sc_dev; 121 struct disk sc_dk; 122 void *sc_ih; 123 124 struct callout sc_pintr_ch; 125 126 bus_space_tag_t sc_iot; 127 bus_space_handle_t sc_ioh; 128 129 int irq, drq; 130 131 char *type; 132 int flags; 133 #define MCDF_LOCKED 0x01 134 #define MCDF_WANTED 0x02 135 #define MCDF_WLABEL 0x04 /* label is writable */ 136 #define MCDF_LABELLING 0x08 /* writing label */ 137 #define MCDF_LOADED 0x10 /* parameters loaded */ 138 short status; 139 short audio_status; 140 int blksize; 141 u_long disksize; 142 struct mcd_volinfo volinfo; 143 union mcd_qchninfo toc[MCD_MAXTOCS]; 144 struct mcd_command lastpb; 145 struct mcd_mbx mbx; 146 int lastmode; 147 #define MCD_MD_UNKNOWN -1 148 int lastupc; 149 #define MCD_UPC_UNKNOWN -1 150 struct buf_queue buf_queue; 151 int active; 152 u_char readcmd; 153 u_char debug; 154 u_char probe; 155 }; 156 157 /* prototypes */ 158 /* XXX does not belong here */ 159 cdev_decl(mcd); 160 bdev_decl(mcd); 161 162 static int bcd2bin __P((bcd_t)); 163 static bcd_t bin2bcd __P((int)); 164 static void hsg2msf __P((int, bcd_t *)); 165 static daddr_t msf2hsg __P((bcd_t *, int)); 166 167 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *)); 168 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *)); 169 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *)); 170 int mcd_stop __P((struct mcd_softc *)); 171 int mcd_eject __P((struct mcd_softc *)); 172 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *)); 173 int mcd_pause __P((struct mcd_softc *)); 174 int mcd_resume __P((struct mcd_softc *)); 175 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *)); 176 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *)); 177 178 int mcd_getreply __P((struct mcd_softc *)); 179 int mcd_getstat __P((struct mcd_softc *)); 180 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *)); 181 void mcd_setflags __P((struct mcd_softc *)); 182 int mcd_get __P((struct mcd_softc *, char *, int)); 183 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int)); 184 int mcdintr __P((void *)); 185 void mcd_soft_reset __P((struct mcd_softc *)); 186 int mcd_hard_reset __P((struct mcd_softc *)); 187 int mcd_setmode __P((struct mcd_softc *, int)); 188 int mcd_setupc __P((struct mcd_softc *, int)); 189 int mcd_read_toc __P((struct mcd_softc *)); 190 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int)); 191 int mcd_setlock __P((struct mcd_softc *, int)); 192 193 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *)); 194 int mcdprobe __P((struct device *, struct cfdata *, void *)); 195 void mcdattach __P((struct device *, struct device *, void *)); 196 197 struct cfattach mcd_ca = { 198 sizeof(struct mcd_softc), mcdprobe, mcdattach 199 }; 200 201 extern struct cfdriver mcd_cd; 202 203 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *)); 204 void mcdgetdisklabel __P((struct mcd_softc *)); 205 int mcd_get_parms __P((struct mcd_softc *)); 206 void mcdstrategy __P((struct buf *)); 207 void mcdstart __P((struct mcd_softc *)); 208 int mcdlock __P((struct mcd_softc *)); 209 void mcdunlock __P((struct mcd_softc *)); 210 void mcd_pseudointr __P((void *)); 211 212 struct dkdriver mcddkdriver = { mcdstrategy }; 213 214 #define MCD_RETRIES 3 215 #define MCD_RDRETRIES 3 216 217 /* several delays */ 218 #define RDELAY_WAITMODE 300 219 #define RDELAY_WAITREAD 800 220 221 #define DELAY_GRANULARITY 25 /* 25us */ 222 #define DELAY_GETREPLY 100000 /* 100000 * 25us */ 223 224 void 225 mcdattach(parent, self, aux) 226 struct device *parent, *self; 227 void *aux; 228 { 229 struct mcd_softc *sc = (void *)self; 230 struct isa_attach_args *ia = aux; 231 bus_space_tag_t iot = ia->ia_iot; 232 bus_space_handle_t ioh; 233 struct mcd_mbox mbx; 234 235 /* Map i/o space */ 236 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) { 237 printf(": can't map i/o space\n"); 238 return; 239 } 240 241 sc->sc_iot = iot; 242 sc->sc_ioh = ioh; 243 244 sc->probe = 0; 245 sc->debug = 0; 246 247 if (!mcd_find(iot, ioh, sc)) { 248 printf(": mcd_find failed\n"); 249 return; 250 } 251 252 BUFQ_INIT(&sc->buf_queue); 253 callout_init(&sc->sc_pintr_ch); 254 255 /* 256 * Initialize and attach the disk structure. 257 */ 258 sc->sc_dk.dk_driver = &mcddkdriver; 259 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 260 disk_attach(&sc->sc_dk); 261 262 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown"); 263 264 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 265 266 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 267 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 268 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE; 269 mbx.cmd.data.config.data1 = 0x01; 270 mbx.res.length = 0; 271 (void) mcd_send(sc, &mbx, 0); 272 273 mcd_soft_reset(sc); 274 275 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 276 IPL_BIO, mcdintr, sc); 277 } 278 279 /* 280 * Wait interruptibly for an exclusive lock. 281 * 282 * XXX 283 * Several drivers do this; it should be abstracted and made MP-safe. 284 */ 285 int 286 mcdlock(sc) 287 struct mcd_softc *sc; 288 { 289 int error; 290 291 while ((sc->flags & MCDF_LOCKED) != 0) { 292 sc->flags |= MCDF_WANTED; 293 if ((error = tsleep(sc, PRIBIO | PCATCH, "mcdlck", 0)) != 0) 294 return error; 295 } 296 sc->flags |= MCDF_LOCKED; 297 return 0; 298 } 299 300 /* 301 * Unlock and wake up any waiters. 302 */ 303 void 304 mcdunlock(sc) 305 struct mcd_softc *sc; 306 { 307 308 sc->flags &= ~MCDF_LOCKED; 309 if ((sc->flags & MCDF_WANTED) != 0) { 310 sc->flags &= ~MCDF_WANTED; 311 wakeup(sc); 312 } 313 } 314 315 int 316 mcdopen(dev, flag, fmt, p) 317 dev_t dev; 318 int flag, fmt; 319 struct proc *p; 320 { 321 int error; 322 int unit, part; 323 struct mcd_softc *sc; 324 325 unit = MCDUNIT(dev); 326 if (unit >= mcd_cd.cd_ndevs) 327 return ENXIO; 328 sc = mcd_cd.cd_devs[unit]; 329 if (!sc) 330 return ENXIO; 331 332 if ((error = mcdlock(sc)) != 0) 333 return error; 334 335 if (sc->sc_dk.dk_openmask != 0) { 336 /* 337 * If any partition is open, but the disk has been invalidated, 338 * disallow further opens. 339 */ 340 if ((sc->flags & MCDF_LOADED) == 0) { 341 error = EIO; 342 goto bad3; 343 } 344 } else { 345 /* 346 * Lock the drawer. This will also notice any pending disk 347 * change or door open indicator and clear the MCDF_LOADED bit 348 * if necessary. 349 */ 350 (void) mcd_setlock(sc, MCD_LK_LOCK); 351 352 if ((sc->flags & MCDF_LOADED) == 0) { 353 /* Partially reset the state. */ 354 sc->lastmode = MCD_MD_UNKNOWN; 355 sc->lastupc = MCD_UPC_UNKNOWN; 356 357 sc->flags |= MCDF_LOADED; 358 359 /* Set the mode, causing the disk to spin up. */ 360 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 361 goto bad2; 362 363 /* Load the physical device parameters. */ 364 if (mcd_get_parms(sc) != 0) { 365 error = ENXIO; 366 goto bad2; 367 } 368 369 /* Read the table of contents. */ 370 if ((error = mcd_read_toc(sc)) != 0) 371 goto bad2; 372 373 /* Fabricate a disk label. */ 374 mcdgetdisklabel(sc); 375 } 376 } 377 378 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part, 379 sc->disksize, sc->blksize, 0); 380 381 part = MCDPART(dev); 382 383 /* Check that the partition exists. */ 384 if (part != RAW_PART && 385 (part >= sc->sc_dk.dk_label->d_npartitions || 386 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 387 error = ENXIO; 388 goto bad; 389 } 390 391 /* Insure only one open at a time. */ 392 switch (fmt) { 393 case S_IFCHR: 394 sc->sc_dk.dk_copenmask |= (1 << part); 395 break; 396 case S_IFBLK: 397 sc->sc_dk.dk_bopenmask |= (1 << part); 398 break; 399 } 400 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 401 402 mcdunlock(sc); 403 return 0; 404 405 bad2: 406 sc->flags &= ~MCDF_LOADED; 407 408 bad: 409 if (sc->sc_dk.dk_openmask == 0) { 410 #if 0 411 (void) mcd_setmode(sc, MCD_MD_SLEEP); 412 #endif 413 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 414 } 415 416 bad3: 417 mcdunlock(sc); 418 return error; 419 } 420 421 int 422 mcdclose(dev, flag, fmt, p) 423 dev_t dev; 424 int flag, fmt; 425 struct proc *p; 426 { 427 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 428 int part = MCDPART(dev); 429 int error; 430 431 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0); 432 433 if ((error = mcdlock(sc)) != 0) 434 return error; 435 436 switch (fmt) { 437 case S_IFCHR: 438 sc->sc_dk.dk_copenmask &= ~(1 << part); 439 break; 440 case S_IFBLK: 441 sc->sc_dk.dk_bopenmask &= ~(1 << part); 442 break; 443 } 444 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask; 445 446 if (sc->sc_dk.dk_openmask == 0) { 447 /* XXXX Must wait for I/O to complete! */ 448 449 #if 0 450 (void) mcd_setmode(sc, MCD_MD_SLEEP); 451 #endif 452 (void) mcd_setlock(sc, MCD_LK_UNLOCK); 453 } 454 455 mcdunlock(sc); 456 return 0; 457 } 458 459 void 460 mcdstrategy(bp) 461 struct buf *bp; 462 { 463 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(bp->b_dev)]; 464 struct disklabel *lp = sc->sc_dk.dk_label; 465 daddr_t blkno; 466 int s; 467 468 /* Test validity. */ 469 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp, 470 bp->b_blkno, bp->b_bcount, 0); 471 if (bp->b_blkno < 0 || 472 (bp->b_bcount % sc->blksize) != 0) { 473 printf("%s: strategy: blkno = %d bcount = %ld\n", 474 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount); 475 bp->b_error = EINVAL; 476 goto bad; 477 } 478 479 /* If device invalidated (e.g. media change, door open), error. */ 480 if ((sc->flags & MCDF_LOADED) == 0) { 481 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0); 482 bp->b_error = EIO; 483 goto bad; 484 } 485 486 /* No data to read. */ 487 if (bp->b_bcount == 0) 488 goto done; 489 490 /* 491 * Do bounds checking, adjust transfer. if error, process. 492 * If end of partition, just return. 493 */ 494 if (MCDPART(bp->b_dev) != RAW_PART && 495 bounds_check_with_label(bp, lp, 496 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0) 497 goto done; 498 499 /* 500 * Now convert the block number to absolute and put it in 501 * terms of the device's logical block size. 502 */ 503 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 504 if (MCDPART(bp->b_dev) != RAW_PART) 505 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset; 506 507 bp->b_rawblkno = blkno; 508 509 /* Queue it. */ 510 s = splbio(); 511 disksort_blkno(&sc->buf_queue, bp); 512 splx(s); 513 if (!sc->active) 514 mcdstart(sc); 515 return; 516 517 bad: 518 bp->b_flags |= B_ERROR; 519 done: 520 bp->b_resid = bp->b_bcount; 521 biodone(bp); 522 } 523 524 void 525 mcdstart(sc) 526 struct mcd_softc *sc; 527 { 528 struct buf *bp; 529 int s; 530 531 loop: 532 s = splbio(); 533 534 if ((bp = BUFQ_FIRST(&sc->buf_queue)) == NULL) { 535 /* Nothing to do. */ 536 sc->active = 0; 537 splx(s); 538 return; 539 } 540 541 /* Block found to process; dequeue. */ 542 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0); 543 BUFQ_REMOVE(&sc->buf_queue, bp); 544 splx(s); 545 546 /* Changed media? */ 547 if ((sc->flags & MCDF_LOADED) == 0) { 548 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0); 549 bp->b_error = EIO; 550 bp->b_flags |= B_ERROR; 551 biodone(bp); 552 goto loop; 553 } 554 555 sc->active = 1; 556 557 /* Instrumentation. */ 558 s = splbio(); 559 disk_busy(&sc->sc_dk); 560 splx(s); 561 562 sc->mbx.retry = MCD_RDRETRIES; 563 sc->mbx.bp = bp; 564 sc->mbx.blkno = bp->b_rawblkno; 565 sc->mbx.nblk = bp->b_bcount / sc->blksize; 566 sc->mbx.sz = sc->blksize; 567 sc->mbx.skip = 0; 568 sc->mbx.state = MCD_S_BEGIN; 569 sc->mbx.mode = MCD_MD_COOKED; 570 571 s = splbio(); 572 (void) mcdintr(sc); 573 splx(s); 574 } 575 576 int 577 mcdread(dev, uio, flags) 578 dev_t dev; 579 struct uio *uio; 580 int flags; 581 { 582 583 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio)); 584 } 585 586 int 587 mcdwrite(dev, uio, flags) 588 dev_t dev; 589 struct uio *uio; 590 int flags; 591 { 592 593 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio)); 594 } 595 596 int 597 mcdioctl(dev, cmd, addr, flag, p) 598 dev_t dev; 599 u_long cmd; 600 caddr_t addr; 601 int flag; 602 struct proc *p; 603 { 604 struct mcd_softc *sc = mcd_cd.cd_devs[MCDUNIT(dev)]; 605 int error; 606 int part; 607 608 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0); 609 610 if ((sc->flags & MCDF_LOADED) == 0) 611 return EIO; 612 613 part = MCDPART(dev); 614 switch (cmd) { 615 case DIOCGDINFO: 616 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 617 return 0; 618 619 case DIOCGPART: 620 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 621 ((struct partinfo *)addr)->part = 622 &sc->sc_dk.dk_label->d_partitions[part]; 623 return 0; 624 625 case DIOCWDINFO: 626 case DIOCSDINFO: 627 if ((flag & FWRITE) == 0) 628 return EBADF; 629 630 if ((error = mcdlock(sc)) != 0) 631 return error; 632 sc->flags |= MCDF_LABELLING; 633 634 error = setdisklabel(sc->sc_dk.dk_label, 635 (struct disklabel *)addr, /*sc->sc_dk.dk_openmask : */0, 636 sc->sc_dk.dk_cpulabel); 637 if (error == 0) { 638 } 639 640 sc->flags &= ~MCDF_LABELLING; 641 mcdunlock(sc); 642 return error; 643 644 case DIOCWLABEL: 645 return EBADF; 646 647 case DIOCGDEFLABEL: 648 mcdgetdefaultlabel(sc, (struct disklabel *)addr); 649 return 0; 650 651 case CDIOCPLAYTRACKS: 652 return mcd_playtracks(sc, (struct ioc_play_track *)addr); 653 case CDIOCPLAYMSF: 654 return mcd_playmsf(sc, (struct ioc_play_msf *)addr); 655 case CDIOCPLAYBLOCKS: 656 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr); 657 case CDIOCREADSUBCHANNEL: 658 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr); 659 case CDIOREADTOCHEADER: 660 return mcd_toc_header(sc, (struct ioc_toc_header *)addr); 661 case CDIOREADTOCENTRYS: 662 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr); 663 case CDIOCSETPATCH: 664 case CDIOCGETVOL: 665 case CDIOCSETVOL: 666 case CDIOCSETMONO: 667 case CDIOCSETSTEREO: 668 case CDIOCSETMUTE: 669 case CDIOCSETLEFT: 670 case CDIOCSETRIGHT: 671 return EINVAL; 672 case CDIOCRESUME: 673 return mcd_resume(sc); 674 case CDIOCPAUSE: 675 return mcd_pause(sc); 676 case CDIOCSTART: 677 return EINVAL; 678 case CDIOCSTOP: 679 return mcd_stop(sc); 680 case DIOCEJECT: 681 if (*(int *)addr == 0) { 682 /* 683 * Don't force eject: check that we are the only 684 * partition open. If so, unlock it. 685 */ 686 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 && 687 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask == 688 sc->sc_dk.dk_openmask) { 689 error = mcd_setlock(sc, MCD_LK_UNLOCK); 690 if (error) 691 return (error); 692 } else { 693 return (EBUSY); 694 } 695 } 696 /* FALLTHROUGH */ 697 case CDIOCEJECT: /* FALLTHROUGH */ 698 case ODIOCEJECT: 699 return mcd_eject(sc); 700 case CDIOCALLOW: 701 return mcd_setlock(sc, MCD_LK_UNLOCK); 702 case CDIOCPREVENT: 703 return mcd_setlock(sc, MCD_LK_LOCK); 704 case DIOCLOCK: 705 return mcd_setlock(sc, 706 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK); 707 case CDIOCSETDEBUG: 708 sc->debug = 1; 709 return 0; 710 case CDIOCCLRDEBUG: 711 sc->debug = 0; 712 return 0; 713 case CDIOCRESET: 714 return mcd_hard_reset(sc); 715 716 default: 717 return ENOTTY; 718 } 719 720 #ifdef DIAGNOSTIC 721 panic("mcdioctl: impossible"); 722 #endif 723 } 724 725 void 726 mcdgetdefaultlabel(sc, lp) 727 struct mcd_softc *sc; 728 struct disklabel *lp; 729 { 730 731 bzero(lp, sizeof(struct disklabel)); 732 733 lp->d_secsize = sc->blksize; 734 lp->d_ntracks = 1; 735 lp->d_nsectors = 100; 736 lp->d_ncylinders = (sc->disksize / 100) + 1; 737 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 738 739 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16); 740 lp->d_type = 0; /* XXX */ 741 strncpy(lp->d_packname, "fictitious", 16); 742 lp->d_secperunit = sc->disksize; 743 lp->d_rpm = 300; 744 lp->d_interleave = 1; 745 lp->d_flags = D_REMOVABLE; 746 747 lp->d_partitions[0].p_offset = 0; 748 lp->d_partitions[0].p_size = 749 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 750 lp->d_partitions[0].p_fstype = FS_ISO9660; 751 lp->d_partitions[RAW_PART].p_offset = 0; 752 lp->d_partitions[RAW_PART].p_size = 753 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 754 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 755 lp->d_npartitions = RAW_PART + 1; 756 757 lp->d_magic = DISKMAGIC; 758 lp->d_magic2 = DISKMAGIC; 759 lp->d_checksum = dkcksum(lp); 760 } 761 762 /* 763 * This could have been taken from scsi/cd.c, but it is not clear 764 * whether the scsi cd driver is linked in. 765 */ 766 void 767 mcdgetdisklabel(sc) 768 struct mcd_softc *sc; 769 { 770 struct disklabel *lp = sc->sc_dk.dk_label; 771 772 bzero(sc->sc_dk.dk_cpulabel, sizeof(struct cpu_disklabel)); 773 774 mcdgetdefaultlabel(sc, lp); 775 } 776 777 int 778 mcd_get_parms(sc) 779 struct mcd_softc *sc; 780 { 781 struct mcd_mbox mbx; 782 daddr_t size; 783 int error; 784 785 /* Send volume info command. */ 786 mbx.cmd.opcode = MCD_CMDGETVOLINFO; 787 mbx.cmd.length = 0; 788 mbx.res.length = sizeof(mbx.res.data.volinfo); 789 if ((error = mcd_send(sc, &mbx, 1)) != 0) 790 return error; 791 792 if (mbx.res.data.volinfo.trk_low == 0x00 && 793 mbx.res.data.volinfo.trk_high == 0x00) 794 return EINVAL; 795 796 /* Volinfo is OK. */ 797 sc->volinfo = mbx.res.data.volinfo; 798 sc->blksize = MCD_BLKSIZE_COOKED; 799 size = msf2hsg(sc->volinfo.vol_msf, 0); 800 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE); 801 return 0; 802 } 803 804 int 805 mcdsize(dev) 806 dev_t dev; 807 { 808 809 /* CD-ROMs are read-only. */ 810 return -1; 811 } 812 813 int 814 mcddump(dev, blkno, va, size) 815 dev_t dev; 816 daddr_t blkno; 817 caddr_t va; 818 size_t size; 819 { 820 821 /* Not implemented. */ 822 return ENXIO; 823 } 824 825 /* 826 * Find the board and fill in the softc. 827 */ 828 int 829 mcd_find(iot, ioh, sc) 830 bus_space_tag_t iot; 831 bus_space_handle_t ioh; 832 struct mcd_softc *sc; 833 { 834 int i; 835 struct mcd_mbox mbx; 836 837 sc->sc_iot = iot; 838 sc->sc_ioh = ioh; 839 840 /* Send a reset. */ 841 bus_space_write_1(iot, ioh, MCD_RESET, 0); 842 delay(1000000); 843 /* Get any pending status and throw away. */ 844 for (i = 10; i; i--) 845 bus_space_read_1(iot, ioh, MCD_STATUS); 846 delay(1000); 847 848 /* Send get status command. */ 849 mbx.cmd.opcode = MCD_CMDGETSTAT; 850 mbx.cmd.length = 0; 851 mbx.res.length = 0; 852 if (mcd_send(sc, &mbx, 0) != 0) 853 return 0; 854 855 /* Get info about the drive. */ 856 mbx.cmd.opcode = MCD_CMDCONTINFO; 857 mbx.cmd.length = 0; 858 mbx.res.length = sizeof(mbx.res.data.continfo); 859 if (mcd_send(sc, &mbx, 0) != 0) 860 return 0; 861 862 /* 863 * The following is code which is not guaranteed to work for all 864 * drives, because the meaning of the expected 'M' is not clear 865 * (M_itsumi is an obvious assumption, but I don't trust that). 866 * Also, the original hack had a bogus condition that always 867 * returned true. 868 * 869 * Note: Which models support interrupts? >=LU005S? 870 */ 871 sc->readcmd = MCD_CMDREADSINGLESPEED; 872 switch (mbx.res.data.continfo.code) { 873 case 'M': 874 if (mbx.res.data.continfo.version <= 2) 875 sc->type = "LU002S"; 876 else if (mbx.res.data.continfo.version <= 5) 877 sc->type = "LU005S"; 878 else 879 sc->type = "LU006S"; 880 break; 881 case 'F': 882 sc->type = "FX001"; 883 break; 884 case 'D': 885 sc->type = "FX001D"; 886 sc->readcmd = MCD_CMDREADDOUBLESPEED; 887 break; 888 default: 889 /* 890 * mcd_send() says the response looked OK but the 891 * drive type is unknown. If mcd_promisc, match anyway. 892 */ 893 if (mcd_promisc != 0) 894 return 0; 895 896 #ifdef MCDDEBUG 897 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n", 898 sc->sc_dev.dv_xname, 899 mbx.res.data.continfo.code, mbx.res.data.continfo.version); 900 #endif 901 sc->type = 0; 902 break; 903 } 904 905 return 1; 906 907 } 908 909 int 910 mcdprobe(parent, match, aux) 911 struct device *parent; 912 struct cfdata *match; 913 void *aux; 914 { 915 struct isa_attach_args *ia = aux; 916 struct mcd_softc sc; 917 bus_space_tag_t iot = ia->ia_iot; 918 bus_space_handle_t ioh; 919 int rv; 920 921 /* Disallow wildcarded i/o address. */ 922 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 923 return (0); 924 925 /* Map i/o space */ 926 if (bus_space_map(iot, ia->ia_iobase, MCD_NPORT, 0, &ioh)) 927 return 0; 928 929 sc.debug = 0; 930 sc.probe = 1; 931 932 rv = mcd_find(iot, ioh, &sc); 933 934 bus_space_unmap(iot, ioh, MCD_NPORT); 935 936 if (rv) { 937 ia->ia_iosize = MCD_NPORT; 938 ia->ia_msize = 0; 939 } 940 941 return (rv); 942 } 943 944 int 945 mcd_getreply(sc) 946 struct mcd_softc *sc; 947 { 948 bus_space_tag_t iot = sc->sc_iot; 949 bus_space_handle_t ioh = sc->sc_ioh; 950 int i; 951 952 /* Wait until xfer port senses data ready. */ 953 for (i = DELAY_GETREPLY; i; i--) { 954 if ((bus_space_read_1(iot, ioh, MCD_XFER) & 955 MCD_XF_STATUSUNAVAIL) == 0) 956 break; 957 delay(DELAY_GRANULARITY); 958 } 959 if (!i) 960 return -1; 961 962 /* Get the data. */ 963 return bus_space_read_1(iot, ioh, MCD_STATUS); 964 } 965 966 int 967 mcd_getstat(sc) 968 struct mcd_softc *sc; 969 { 970 struct mcd_mbox mbx; 971 972 mbx.cmd.opcode = MCD_CMDGETSTAT; 973 mbx.cmd.length = 0; 974 mbx.res.length = 0; 975 return mcd_send(sc, &mbx, 1); 976 } 977 978 int 979 mcd_getresult(sc, res) 980 struct mcd_softc *sc; 981 struct mcd_result *res; 982 { 983 int i, x; 984 985 if (sc->debug) 986 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname, 987 res->length); 988 989 if ((x = mcd_getreply(sc)) < 0) { 990 if (sc->debug) 991 printf(" timeout\n"); 992 else if (!sc->probe) 993 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 994 return EIO; 995 } 996 if (sc->debug) 997 printf(" %02x", (u_int)x); 998 sc->status = x; 999 mcd_setflags(sc); 1000 1001 if ((sc->status & MCD_ST_CMDCHECK) != 0) 1002 return EINVAL; 1003 1004 for (i = 0; i < res->length; i++) { 1005 if ((x = mcd_getreply(sc)) < 0) { 1006 if (sc->debug) 1007 printf(" timeout\n"); 1008 else 1009 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname); 1010 return EIO; 1011 } 1012 if (sc->debug) 1013 printf(" %02x", (u_int)x); 1014 res->data.raw.data[i] = x; 1015 } 1016 1017 if (sc->debug) 1018 printf(" succeeded\n"); 1019 1020 #ifdef MCDDEBUG 1021 delay(10); 1022 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) & 1023 MCD_XF_STATUSUNAVAIL) == 0) { 1024 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS); 1025 printf("%s: got extra byte %02x during getstatus\n", 1026 sc->sc_dev.dv_xname, (u_int)x); 1027 delay(10); 1028 } 1029 #endif 1030 1031 return 0; 1032 } 1033 1034 void 1035 mcd_setflags(sc) 1036 struct mcd_softc *sc; 1037 { 1038 1039 /* Check flags. */ 1040 if ((sc->flags & MCDF_LOADED) != 0 && 1041 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) != 1042 MCD_ST_DSKIN) { 1043 if ((sc->status & MCD_ST_DOOROPEN) != 0) 1044 printf("%s: door open\n", sc->sc_dev.dv_xname); 1045 else if ((sc->status & MCD_ST_DSKIN) == 0) 1046 printf("%s: no disk present\n", sc->sc_dev.dv_xname); 1047 else if ((sc->status & MCD_ST_DSKCHNG) != 0) 1048 printf("%s: media change\n", sc->sc_dev.dv_xname); 1049 sc->flags &= ~MCDF_LOADED; 1050 } 1051 1052 if ((sc->status & MCD_ST_AUDIOBSY) != 0) 1053 sc->audio_status = CD_AS_PLAY_IN_PROGRESS; 1054 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS || 1055 sc->audio_status == CD_AS_AUDIO_INVALID) 1056 sc->audio_status = CD_AS_PLAY_COMPLETED; 1057 } 1058 1059 int 1060 mcd_send(sc, mbx, diskin) 1061 struct mcd_softc *sc; 1062 struct mcd_mbox *mbx; 1063 int diskin; 1064 { 1065 int retry, i, error; 1066 bus_space_tag_t iot = sc->sc_iot; 1067 bus_space_handle_t ioh = sc->sc_ioh; 1068 1069 if (sc->debug) { 1070 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname, 1071 mbx->cmd.length, (u_int)mbx->cmd.opcode); 1072 for (i = 0; i < mbx->cmd.length; i++) 1073 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]); 1074 printf("\n"); 1075 } 1076 1077 for (retry = MCD_RETRIES; retry; retry--) { 1078 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode); 1079 for (i = 0; i < mbx->cmd.length; i++) 1080 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]); 1081 if ((error = mcd_getresult(sc, &mbx->res)) == 0) 1082 break; 1083 if (error == EINVAL) 1084 return error; 1085 } 1086 if (!retry) 1087 return error; 1088 if (diskin && (sc->flags & MCDF_LOADED) == 0) 1089 return EIO; 1090 1091 return 0; 1092 } 1093 1094 static int 1095 bcd2bin(b) 1096 bcd_t b; 1097 { 1098 1099 return (b >> 4) * 10 + (b & 15); 1100 } 1101 1102 static bcd_t 1103 bin2bcd(b) 1104 int b; 1105 { 1106 1107 return ((b / 10) << 4) | (b % 10); 1108 } 1109 1110 static void 1111 hsg2msf(hsg, msf) 1112 int hsg; 1113 bcd_t *msf; 1114 { 1115 1116 hsg += 150; 1117 F_msf(msf) = bin2bcd(hsg % 75); 1118 hsg /= 75; 1119 S_msf(msf) = bin2bcd(hsg % 60); 1120 hsg /= 60; 1121 M_msf(msf) = bin2bcd(hsg); 1122 } 1123 1124 static daddr_t 1125 msf2hsg(msf, relative) 1126 bcd_t *msf; 1127 int relative; 1128 { 1129 daddr_t blkno; 1130 1131 blkno = bcd2bin(M_msf(msf)) * 75 * 60 + 1132 bcd2bin(S_msf(msf)) * 75 + 1133 bcd2bin(F_msf(msf)); 1134 if (!relative) 1135 blkno -= 150; 1136 return blkno; 1137 } 1138 1139 void 1140 mcd_pseudointr(v) 1141 void *v; 1142 { 1143 struct mcd_softc *sc = v; 1144 int s; 1145 1146 s = splbio(); 1147 (void) mcdintr(sc); 1148 splx(s); 1149 } 1150 1151 /* 1152 * State machine to process read requests. 1153 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode 1154 * MCD_S_WAITMODE: waits for status reply from set mode, set read command 1155 * MCD_S_WAITREAD: wait for read ready, read data. 1156 */ 1157 int 1158 mcdintr(arg) 1159 void *arg; 1160 { 1161 struct mcd_softc *sc = arg; 1162 struct mcd_mbx *mbx = &sc->mbx; 1163 struct buf *bp = mbx->bp; 1164 bus_space_tag_t iot = sc->sc_iot; 1165 bus_space_handle_t ioh = sc->sc_ioh; 1166 1167 int i; 1168 u_char x; 1169 bcd_t msf[3]; 1170 1171 switch (mbx->state) { 1172 case MCD_S_IDLE: 1173 return 0; 1174 1175 case MCD_S_BEGIN: 1176 tryagain: 1177 if (mbx->mode == sc->lastmode) 1178 goto firstblock; 1179 1180 sc->lastmode = MCD_MD_UNKNOWN; 1181 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE); 1182 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode); 1183 1184 mbx->count = RDELAY_WAITMODE; 1185 mbx->state = MCD_S_WAITMODE; 1186 1187 case MCD_S_WAITMODE: 1188 callout_stop(&sc->sc_pintr_ch); 1189 for (i = 20; i; i--) { 1190 x = bus_space_read_1(iot, ioh, MCD_XFER); 1191 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1192 break; 1193 delay(50); 1194 } 1195 if (i == 0) 1196 goto hold; 1197 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1198 mcd_setflags(sc); 1199 if ((sc->flags & MCDF_LOADED) == 0) 1200 goto changed; 1201 MCD_TRACE("doread: got WAITMODE delay=%d\n", 1202 RDELAY_WAITMODE - mbx->count, 0, 0, 0); 1203 1204 sc->lastmode = mbx->mode; 1205 1206 firstblock: 1207 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno, 1208 bp, 0, 0); 1209 1210 /* Build parameter block. */ 1211 hsg2msf(mbx->blkno, msf); 1212 1213 /* Send the read command. */ 1214 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd); 1215 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]); 1216 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]); 1217 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]); 1218 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1219 bus_space_write_1(iot, ioh, MCD_COMMAND, 0); 1220 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk); 1221 1222 mbx->count = RDELAY_WAITREAD; 1223 mbx->state = MCD_S_WAITREAD; 1224 1225 case MCD_S_WAITREAD: 1226 callout_stop(&sc->sc_pintr_ch); 1227 nextblock: 1228 loop: 1229 for (i = 20; i; i--) { 1230 x = bus_space_read_1(iot, ioh, MCD_XFER); 1231 if ((x & MCD_XF_DATAUNAVAIL) == 0) 1232 goto gotblock; 1233 if ((x & MCD_XF_STATUSUNAVAIL) == 0) 1234 break; 1235 delay(50); 1236 } 1237 if (i == 0) 1238 goto hold; 1239 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS); 1240 mcd_setflags(sc); 1241 if ((sc->flags & MCDF_LOADED) == 0) 1242 goto changed; 1243 #if 0 1244 printf("%s: got status byte %02x during read\n", 1245 sc->sc_dev.dv_xname, (u_int)sc->status); 1246 #endif 1247 goto loop; 1248 1249 gotblock: 1250 MCD_TRACE("doread: got data delay=%d\n", 1251 RDELAY_WAITREAD - mbx->count, 0, 0, 0); 1252 1253 /* Data is ready. */ 1254 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */ 1255 bus_space_read_multi_1(iot, ioh, MCD_RDATA, 1256 bp->b_data + mbx->skip, mbx->sz); 1257 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */ 1258 mbx->blkno += 1; 1259 mbx->skip += mbx->sz; 1260 if (--mbx->nblk > 0) 1261 goto nextblock; 1262 1263 mbx->state = MCD_S_IDLE; 1264 1265 /* Return buffer. */ 1266 bp->b_resid = 0; 1267 disk_unbusy(&sc->sc_dk, bp->b_bcount); 1268 biodone(bp); 1269 1270 mcdstart(sc); 1271 return 1; 1272 1273 hold: 1274 if (mbx->count-- < 0) { 1275 printf("%s: timeout in state %d", 1276 sc->sc_dev.dv_xname, mbx->state); 1277 goto readerr; 1278 } 1279 1280 #if 0 1281 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname, 1282 mbx->state); 1283 #endif 1284 callout_reset(&sc->sc_pintr_ch, hz / 100, 1285 mcd_pseudointr, sc); 1286 return -1; 1287 } 1288 1289 readerr: 1290 if (mbx->retry-- > 0) { 1291 printf("; retrying\n"); 1292 goto tryagain; 1293 } else 1294 printf("; giving up\n"); 1295 1296 changed: 1297 /* Invalidate the buffer. */ 1298 bp->b_flags |= B_ERROR; 1299 bp->b_resid = bp->b_bcount - mbx->skip; 1300 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid)); 1301 biodone(bp); 1302 1303 mcdstart(sc); 1304 return -1; 1305 1306 #ifdef notyet 1307 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname); 1308 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET); 1309 delay(300000); 1310 (void) mcd_getstat(sc, 1); 1311 (void) mcd_getstat(sc, 1); 1312 /*sc->status &= ~MCD_ST_DSKCHNG; */ 1313 sc->debug = 1; /* preventive set debug mode */ 1314 #endif 1315 } 1316 1317 void 1318 mcd_soft_reset(sc) 1319 struct mcd_softc *sc; 1320 { 1321 1322 sc->debug = 0; 1323 sc->flags = 0; 1324 sc->lastmode = MCD_MD_UNKNOWN; 1325 sc->lastupc = MCD_UPC_UNKNOWN; 1326 sc->audio_status = CD_AS_AUDIO_INVALID; 1327 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */ 1328 } 1329 1330 int 1331 mcd_hard_reset(sc) 1332 struct mcd_softc *sc; 1333 { 1334 struct mcd_mbox mbx; 1335 1336 mcd_soft_reset(sc); 1337 1338 mbx.cmd.opcode = MCD_CMDRESET; 1339 mbx.cmd.length = 0; 1340 mbx.res.length = 0; 1341 return mcd_send(sc, &mbx, 0); 1342 } 1343 1344 int 1345 mcd_setmode(sc, mode) 1346 struct mcd_softc *sc; 1347 int mode; 1348 { 1349 struct mcd_mbox mbx; 1350 int error; 1351 1352 if (sc->lastmode == mode) 1353 return 0; 1354 if (sc->debug) 1355 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode); 1356 sc->lastmode = MCD_MD_UNKNOWN; 1357 1358 mbx.cmd.opcode = MCD_CMDSETMODE; 1359 mbx.cmd.length = sizeof(mbx.cmd.data.datamode); 1360 mbx.cmd.data.datamode.mode = mode; 1361 mbx.res.length = 0; 1362 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1363 return error; 1364 1365 sc->lastmode = mode; 1366 return 0; 1367 } 1368 1369 int 1370 mcd_setupc(sc, upc) 1371 struct mcd_softc *sc; 1372 int upc; 1373 { 1374 struct mcd_mbox mbx; 1375 int error; 1376 1377 if (sc->lastupc == upc) 1378 return 0; 1379 if (sc->debug) 1380 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc); 1381 sc->lastupc = MCD_UPC_UNKNOWN; 1382 1383 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE; 1384 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1; 1385 mbx.cmd.data.config.subcommand = MCD_CF_READUPC; 1386 mbx.cmd.data.config.data1 = upc; 1387 mbx.res.length = 0; 1388 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1389 return error; 1390 1391 sc->lastupc = upc; 1392 return 0; 1393 } 1394 1395 int 1396 mcd_toc_header(sc, th) 1397 struct mcd_softc *sc; 1398 struct ioc_toc_header *th; 1399 { 1400 1401 if (sc->debug) 1402 printf("%s: mcd_toc_header: reading toc header\n", 1403 sc->sc_dev.dv_xname); 1404 1405 th->len = msf2hsg(sc->volinfo.vol_msf, 0); 1406 th->starting_track = bcd2bin(sc->volinfo.trk_low); 1407 th->ending_track = bcd2bin(sc->volinfo.trk_high); 1408 1409 return 0; 1410 } 1411 1412 int 1413 mcd_read_toc(sc) 1414 struct mcd_softc *sc; 1415 { 1416 struct ioc_toc_header th; 1417 union mcd_qchninfo q; 1418 int error, trk, idx, retry; 1419 1420 if ((error = mcd_toc_header(sc, &th)) != 0) 1421 return error; 1422 1423 if ((error = mcd_stop(sc)) != 0) 1424 return error; 1425 1426 if (sc->debug) 1427 printf("%s: read_toc: reading qchannel info\n", 1428 sc->sc_dev.dv_xname); 1429 1430 for (trk = th.starting_track; trk <= th.ending_track; trk++) 1431 sc->toc[trk].toc.idx_no = 0x00; 1432 trk = th.ending_track - th.starting_track + 1; 1433 for (retry = 300; retry && trk > 0; retry--) { 1434 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0) 1435 break; 1436 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00) 1437 continue; 1438 idx = bcd2bin(q.toc.idx_no); 1439 if (idx < MCD_MAXTOCS && 1440 sc->toc[idx].toc.idx_no == 0x00) { 1441 sc->toc[idx] = q; 1442 trk--; 1443 } 1444 } 1445 1446 /* Inform the drive that we're finished so it turns off the light. */ 1447 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1448 return error; 1449 1450 if (trk != 0) 1451 return EINVAL; 1452 1453 /* Add a fake last+1 for mcd_playtracks(). */ 1454 idx = th.ending_track + 1; 1455 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control; 1456 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type; 1457 sc->toc[idx].toc.trk_no = 0x00; 1458 sc->toc[idx].toc.idx_no = 0xaa; 1459 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0]; 1460 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1]; 1461 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2]; 1462 1463 return 0; 1464 } 1465 1466 int 1467 mcd_toc_entries(sc, te) 1468 struct mcd_softc *sc; 1469 struct ioc_read_toc_entry *te; 1470 { 1471 int len = te->data_len; 1472 struct ret_toc { 1473 struct ioc_toc_header header; 1474 struct cd_toc_entry entries[MCD_MAXTOCS]; 1475 } data; 1476 u_char trk; 1477 daddr_t lba; 1478 int error, n; 1479 1480 if (len > sizeof(data.entries) || 1481 len < sizeof(struct cd_toc_entry)) 1482 return EINVAL; 1483 if (te->address_format != CD_MSF_FORMAT && 1484 te->address_format != CD_LBA_FORMAT) 1485 return EINVAL; 1486 1487 /* Copy the TOC header. */ 1488 if ((error = mcd_toc_header(sc, &data.header)) != 0) 1489 return error; 1490 1491 /* Verify starting track. */ 1492 trk = te->starting_track; 1493 if (trk == 0x00) 1494 trk = data.header.starting_track; 1495 else if (trk == 0xaa) 1496 trk = data.header.ending_track + 1; 1497 else if (trk < data.header.starting_track || 1498 trk > data.header.ending_track + 1) 1499 return EINVAL; 1500 1501 /* Copy the TOC data. */ 1502 for (n = 0; trk <= data.header.ending_track + 1; trk++) { 1503 if (sc->toc[trk].toc.idx_no == 0x00) 1504 continue; 1505 data.entries[n].control = sc->toc[trk].toc.control; 1506 data.entries[n].addr_type = sc->toc[trk].toc.addr_type; 1507 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no); 1508 switch (te->address_format) { 1509 case CD_MSF_FORMAT: 1510 data.entries[n].addr.addr[0] = 0; 1511 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]); 1512 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]); 1513 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]); 1514 break; 1515 case CD_LBA_FORMAT: 1516 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0); 1517 data.entries[n].addr.addr[0] = lba >> 24; 1518 data.entries[n].addr.addr[1] = lba >> 16; 1519 data.entries[n].addr.addr[2] = lba >> 8; 1520 data.entries[n].addr.addr[3] = lba; 1521 break; 1522 } 1523 n++; 1524 } 1525 1526 len = min(len, n * sizeof(struct cd_toc_entry)); 1527 1528 /* Copy the data back. */ 1529 return copyout(&data.entries[0], te->data, len); 1530 } 1531 1532 int 1533 mcd_stop(sc) 1534 struct mcd_softc *sc; 1535 { 1536 struct mcd_mbox mbx; 1537 int error; 1538 1539 if (sc->debug) 1540 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname); 1541 1542 mbx.cmd.opcode = MCD_CMDSTOPAUDIO; 1543 mbx.cmd.length = 0; 1544 mbx.res.length = 0; 1545 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1546 return error; 1547 1548 sc->audio_status = CD_AS_PLAY_COMPLETED; 1549 return 0; 1550 } 1551 1552 int 1553 mcd_getqchan(sc, q, qchn) 1554 struct mcd_softc *sc; 1555 union mcd_qchninfo *q; 1556 int qchn; 1557 { 1558 struct mcd_mbox mbx; 1559 int error; 1560 1561 if (qchn == CD_TRACK_INFO) { 1562 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0) 1563 return error; 1564 } else { 1565 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1566 return error; 1567 } 1568 if (qchn == CD_MEDIA_CATALOG) { 1569 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0) 1570 return error; 1571 } else { 1572 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0) 1573 return error; 1574 } 1575 1576 mbx.cmd.opcode = MCD_CMDGETQCHN; 1577 mbx.cmd.length = 0; 1578 mbx.res.length = sizeof(mbx.res.data.qchninfo); 1579 if ((error = mcd_send(sc, &mbx, 1)) != 0) 1580 return error; 1581 1582 *q = mbx.res.data.qchninfo; 1583 return 0; 1584 } 1585 1586 int 1587 mcd_read_subchannel(sc, ch) 1588 struct mcd_softc *sc; 1589 struct ioc_read_subchannel *ch; 1590 { 1591 int len = ch->data_len; 1592 union mcd_qchninfo q; 1593 struct cd_sub_channel_info data; 1594 daddr_t lba; 1595 int error; 1596 1597 if (sc->debug) 1598 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname, 1599 ch->address_format, ch->data_format); 1600 1601 if (len > sizeof(data) || 1602 len < sizeof(struct cd_sub_channel_header)) 1603 return EINVAL; 1604 if (ch->address_format != CD_MSF_FORMAT && 1605 ch->address_format != CD_LBA_FORMAT) 1606 return EINVAL; 1607 if (ch->data_format != CD_CURRENT_POSITION && 1608 ch->data_format != CD_MEDIA_CATALOG) 1609 return EINVAL; 1610 1611 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0) 1612 return error; 1613 1614 data.header.audio_status = sc->audio_status; 1615 data.what.media_catalog.data_format = ch->data_format; 1616 1617 switch (ch->data_format) { 1618 case CD_MEDIA_CATALOG: 1619 data.what.media_catalog.mc_valid = 1; 1620 #if 0 1621 data.what.media_catalog.mc_number = 1622 #endif 1623 break; 1624 1625 case CD_CURRENT_POSITION: 1626 data.what.position.track_number = bcd2bin(q.current.trk_no); 1627 data.what.position.index_number = bcd2bin(q.current.idx_no); 1628 switch (ch->address_format) { 1629 case CD_MSF_FORMAT: 1630 data.what.position.reladdr.addr[0] = 0; 1631 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]); 1632 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]); 1633 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]); 1634 data.what.position.absaddr.addr[0] = 0; 1635 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]); 1636 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]); 1637 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]); 1638 break; 1639 case CD_LBA_FORMAT: 1640 lba = msf2hsg(q.current.relative_pos, 1); 1641 /* 1642 * Pre-gap has index number of 0, and decreasing MSF 1643 * address. Must be converted to negative LBA, per 1644 * SCSI spec. 1645 */ 1646 if (data.what.position.index_number == 0x00) 1647 lba = -lba; 1648 data.what.position.reladdr.addr[0] = lba >> 24; 1649 data.what.position.reladdr.addr[1] = lba >> 16; 1650 data.what.position.reladdr.addr[2] = lba >> 8; 1651 data.what.position.reladdr.addr[3] = lba; 1652 lba = msf2hsg(q.current.absolute_pos, 0); 1653 data.what.position.absaddr.addr[0] = lba >> 24; 1654 data.what.position.absaddr.addr[1] = lba >> 16; 1655 data.what.position.absaddr.addr[2] = lba >> 8; 1656 data.what.position.absaddr.addr[3] = lba; 1657 break; 1658 } 1659 break; 1660 } 1661 1662 return copyout(&data, ch->data, len); 1663 } 1664 1665 int 1666 mcd_playtracks(sc, p) 1667 struct mcd_softc *sc; 1668 struct ioc_play_track *p; 1669 { 1670 struct mcd_mbox mbx; 1671 int a = p->start_track; 1672 int z = p->end_track; 1673 int error; 1674 1675 if (sc->debug) 1676 printf("%s: playtracks: from %d:%d to %d:%d\n", 1677 sc->sc_dev.dv_xname, 1678 a, p->start_index, z, p->end_index); 1679 1680 if (a < bcd2bin(sc->volinfo.trk_low) || 1681 a > bcd2bin(sc->volinfo.trk_high) || 1682 a > z || 1683 z < bcd2bin(sc->volinfo.trk_low) || 1684 z > bcd2bin(sc->volinfo.trk_high)) 1685 return EINVAL; 1686 1687 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1688 return error; 1689 1690 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1691 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1692 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0]; 1693 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1]; 1694 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2]; 1695 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0]; 1696 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1]; 1697 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2]; 1698 sc->lastpb = mbx.cmd; 1699 mbx.res.length = 0; 1700 return mcd_send(sc, &mbx, 1); 1701 } 1702 1703 int 1704 mcd_playmsf(sc, p) 1705 struct mcd_softc *sc; 1706 struct ioc_play_msf *p; 1707 { 1708 struct mcd_mbox mbx; 1709 int error; 1710 1711 if (sc->debug) 1712 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n", 1713 sc->sc_dev.dv_xname, 1714 p->start_m, p->start_s, p->start_f, 1715 p->end_m, p->end_s, p->end_f); 1716 1717 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >= 1718 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f)) 1719 return EINVAL; 1720 1721 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1722 return error; 1723 1724 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1725 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1726 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m); 1727 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s); 1728 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f); 1729 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m); 1730 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s); 1731 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f); 1732 sc->lastpb = mbx.cmd; 1733 mbx.res.length = 0; 1734 return mcd_send(sc, &mbx, 1); 1735 } 1736 1737 int 1738 mcd_playblocks(sc, p) 1739 struct mcd_softc *sc; 1740 struct ioc_play_blocks *p; 1741 { 1742 struct mcd_mbox mbx; 1743 int error; 1744 1745 if (sc->debug) 1746 printf("%s: playblocks: blkno %d length %d\n", 1747 sc->sc_dev.dv_xname, p->blk, p->len); 1748 1749 if (p->blk > sc->disksize || p->len > sc->disksize || 1750 (p->blk + p->len) > sc->disksize) 1751 return 0; 1752 1753 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1754 return error; 1755 1756 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED; 1757 mbx.cmd.length = sizeof(mbx.cmd.data.play); 1758 hsg2msf(p->blk, mbx.cmd.data.play.start_msf); 1759 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf); 1760 sc->lastpb = mbx.cmd; 1761 mbx.res.length = 0; 1762 return mcd_send(sc, &mbx, 1); 1763 } 1764 1765 int 1766 mcd_pause(sc) 1767 struct mcd_softc *sc; 1768 { 1769 union mcd_qchninfo q; 1770 int error; 1771 1772 /* Verify current status. */ 1773 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) { 1774 printf("%s: pause: attempted when not playing\n", 1775 sc->sc_dev.dv_xname); 1776 return EINVAL; 1777 } 1778 1779 /* Get the current position. */ 1780 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0) 1781 return error; 1782 1783 /* Copy it into lastpb. */ 1784 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0]; 1785 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1]; 1786 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2]; 1787 1788 /* Stop playing. */ 1789 if ((error = mcd_stop(sc)) != 0) 1790 return error; 1791 1792 /* Set the proper status and exit. */ 1793 sc->audio_status = CD_AS_PLAY_PAUSED; 1794 return 0; 1795 } 1796 1797 int 1798 mcd_resume(sc) 1799 struct mcd_softc *sc; 1800 { 1801 struct mcd_mbox mbx; 1802 int error; 1803 1804 if (sc->audio_status != CD_AS_PLAY_PAUSED) 1805 return EINVAL; 1806 1807 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0) 1808 return error; 1809 1810 mbx.cmd = sc->lastpb; 1811 mbx.res.length = 0; 1812 return mcd_send(sc, &mbx, 1); 1813 } 1814 1815 int 1816 mcd_eject(sc) 1817 struct mcd_softc *sc; 1818 { 1819 struct mcd_mbox mbx; 1820 1821 mbx.cmd.opcode = MCD_CMDEJECTDISK; 1822 mbx.cmd.length = 0; 1823 mbx.res.length = 0; 1824 return mcd_send(sc, &mbx, 0); 1825 } 1826 1827 int 1828 mcd_setlock(sc, mode) 1829 struct mcd_softc *sc; 1830 int mode; 1831 { 1832 struct mcd_mbox mbx; 1833 1834 mbx.cmd.opcode = MCD_CMDSETLOCK; 1835 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode); 1836 mbx.cmd.data.lockmode.mode = mode; 1837 mbx.res.length = 0; 1838 return mcd_send(sc, &mbx, 1); 1839 } 1840
Indexes created Tue Sep 30 11:09:46 GMT 2025