Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/i386/isa/wd_cd.c
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1 /*- 2 * Copyright (c) 1998, 1999 Søren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 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. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/proc.h> 35 #include <sys/malloc.h> 36 #include <sys/buf.h> 37 #include <sys/disklabel.h> 38 #include <sys/devicestat.h> 39 #include <sys/cdio.h> 40 #include <sys/wormio.h> 41 #include <sys/fcntl.h> 42 #include <sys/conf.h> 43 #include <sys/stat.h> 44 #include <i386/isa/atapi.h> 45 #include <i386/isa/wd_cd.h> 46 47 static d_open_t acdopen; 48 static d_close_t acdclose; 49 static d_ioctl_t acdioctl; 50 static d_strategy_t acdstrategy; 51 52 #define CDEV_MAJOR 69 53 #define BDEV_MAJOR 19 54 static struct cdevsw acd_cdevsw = { 55 /* open */ acdopen, 56 /* close */ acdclose, 57 /* read */ physread, 58 /* write */ physwrite, 59 /* ioctl */ acdioctl, 60 /* poll */ nopoll, 61 /* mmap */ nommap, 62 /* strategy */ acdstrategy, 63 /* name */ "wcd", 64 /* maj */ CDEV_MAJOR, 65 /* dump */ nodump, 66 /* psize */ nopsize, 67 /* flags */ D_DISK, 68 /* bmaj */ BDEV_MAJOR 69 }; 70 71 #define NUNIT 16 /* Max # of devices */ 72 73 #define F_BOPEN 0x0001 /* The block device is opened */ 74 #define F_MEDIA_CHANGED 0x0002 /* The media have changed since open */ 75 #define F_DEBUG 0x0004 /* Print debug info */ 76 #define F_LOCKED 0x0008 /* This unit is locked (or should be) */ 77 #define F_TRACK_PREP 0x0010 /* Track should be prep'ed */ 78 #define F_TRACK_PREPED 0x0020 /* Track has been prep'ed */ 79 #define F_DISK_PREPED 0x0040 /* Disk has been prep'ed */ 80 #define F_WRITTEN 0x0080 /* The medium has been written to */ 81 82 static struct acd *acdtab[NUNIT]; 83 static int acdnlun = 0; /* Number of configured drives */ 84 85 int acdattach(struct atapi *, int, struct atapi_params *, int); 86 static struct acd *acd_init_lun(struct atapi *, int, struct atapi_params *, int, 87 struct devstat *); 88 static void acd_start(struct acd *); 89 static void acd_done(struct acd *, struct buf *, int, struct atapires); 90 static int acd_read_toc(struct acd *); 91 static int acd_request_wait(struct acd *, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, char *, int); 92 static void acd_describe(struct acd *); 93 static int acd_setchan(struct acd *, u_char, u_char, u_char, u_char); 94 static int acd_eject(struct acd *, int); 95 static void acd_select_slot(struct acd *); 96 static int acd_open_disk(struct acd *, int); 97 static int acd_open_track(struct acd *, struct wormio_prepare_track *); 98 static int acd_close_track(struct acd *); 99 static int acd_close_disk(struct acd *); 100 static int acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info); 101 static int acd_blank_disk(struct acd *); 102 static void atapi_dump(int ctrlr, int lun, char *label, void *data, int len); 103 static void atapi_error(struct atapi *ata, int unit, struct atapires result); 104 105 struct acd * 106 acd_init_lun(struct atapi *ata, int unit, struct atapi_params *ap, int lun, 107 struct devstat *device_stats) 108 { 109 struct acd *ptr; 110 111 if (!(ptr = malloc(sizeof(struct acd), M_TEMP, M_NOWAIT))) 112 return NULL; 113 bzero(ptr, sizeof(struct acd)); 114 bufq_init(&ptr->buf_queue); 115 ptr->ata = ata; 116 ptr->unit = unit; 117 ptr->lun = lun; 118 ptr->param = ap; 119 ptr->flags = F_MEDIA_CHANGED; 120 ptr->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 121 ptr->block_size = 2048; 122 ptr->refcnt = 0; 123 ptr->slot = -1; 124 ptr->changer_info = NULL; 125 if (device_stats == NULL) { 126 if (!(ptr->device_stats = malloc(sizeof(struct devstat), 127 M_TEMP, M_NOWAIT))) 128 return NULL; 129 bzero(ptr->device_stats, sizeof(struct devstat)); 130 } 131 else 132 ptr->device_stats = device_stats; 133 make_dev(&acd_cdevsw, dkmakeminor(lun, 0, 0), 134 UID_ROOT, GID_OPERATOR, 0640, "rwcd%da", lun); 135 make_dev(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART), 136 UID_ROOT, GID_OPERATOR, 0640, "rwcd%dc", lun); 137 make_dev(&acd_cdevsw, dkmakeminor(lun, 0, 0), 138 UID_ROOT, GID_OPERATOR, 0640, "wcd%da", lun); 139 make_dev(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART), 140 UID_ROOT, GID_OPERATOR, 0640, "wcd%dc", lun); 141 return ptr; 142 } 143 144 int 145 acdattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug) 146 { 147 struct acd *cdp; 148 struct atapires result; 149 struct changer *chp; 150 int i, count; 151 152 if (acdnlun >= NUNIT) { 153 printf("wcd: too many units\n"); 154 return 0; 155 } 156 if (!atapi_request_immediate) { 157 printf("wcd: configuration error, ATAPI code not present!\n"); 158 return 0; 159 } 160 if ((cdp = acd_init_lun(ata, unit, ap, acdnlun, NULL)) == NULL) { 161 printf("wcd: out of memory\n"); 162 return 0; 163 } 164 acdtab[acdnlun] = cdp; 165 166 if (debug) { 167 cdp->flags |= F_DEBUG; 168 atapi_dump(cdp->ata->ctrlr, cdp->lun, "info", ap, sizeof(*ap)); 169 } 170 171 /* Get drive capabilities, some drives needs this repeated */ 172 for (count = 0 ; count < 5 ; count++) { 173 result = atapi_request_immediate(ata, unit, 174 ATAPI_MODE_SENSE, 175 0, ATAPI_CDROM_CAP_PAGE, 176 0, 0, 0, 0, 177 sizeof(cdp->cap)>>8, sizeof(cdp->cap), 178 0, 0, 0, 0, 0, 0, 0, 179 (char *)&cdp->cap, sizeof(cdp->cap)); 180 if (result.code == 0 || result.code == RES_UNDERRUN) 181 break; 182 } 183 184 /* Some drives have shorter capabilities page. */ 185 if (result.code == RES_UNDERRUN) 186 result.code = 0; 187 188 if (result.code == 0) { 189 cdp->cap.max_speed = ntohs(cdp->cap.max_speed); 190 cdp->cap.max_vol_levels = ntohs(cdp->cap.max_vol_levels); 191 cdp->cap.buf_size = ntohs(cdp->cap.buf_size); 192 cdp->cap.cur_speed = ntohs(cdp->cap.cur_speed); 193 acd_describe(cdp); 194 if (cdp->flags & F_DEBUG) 195 atapi_dump(cdp->ata->ctrlr, cdp->lun, "cap", &cdp->cap, 196 sizeof(cdp->cap)); 197 } 198 /* If this is a changer device, allocate the neeeded lun's */ 199 if (cdp->cap.mech == MST_MECH_CHANGER) { 200 char string[16]; 201 struct acd *tmpcdp = cdp; 202 203 chp = malloc(sizeof(struct changer), M_TEMP, M_NOWAIT); 204 if (chp == NULL) { 205 printf("wcd: out of memory\n"); 206 return 0; 207 } 208 bzero(chp, sizeof(struct changer)); 209 result = atapi_request_immediate(ata, unit, ATAPI_MECH_STATUS, 210 0, 0, 0, 0, 0, 0, 0, 211 sizeof(struct changer)>>8, 212 sizeof(struct changer), 213 0, 0, 0, 0, 0, 0, 214 (char *)chp, sizeof(struct changer)); 215 if (cdp->flags & F_DEBUG) { 216 printf("result.code=%d curr=%02x slots=%d len=%d\n", 217 result.code, chp->current_slot, chp->slots, 218 htons(chp->table_length)); 219 } 220 if (result.code == RES_UNDERRUN) 221 result.code = 0; 222 223 if (result.code == 0) { 224 chp->table_length = htons(chp->table_length); 225 for (i = 0; i < chp->slots && acdnlun < NUNIT; i++) { 226 if (i > 0) { 227 tmpcdp = acd_init_lun(ata, unit, ap, acdnlun, 228 cdp->device_stats); 229 if (!tmpcdp) { 230 printf("wcd: out of memory\n"); 231 return 0; 232 } 233 } 234 tmpcdp->slot = i; 235 tmpcdp->changer_info = chp; 236 printf("wcd%d: changer slot %d %s\n", acdnlun, i, 237 (chp->slot[i].present ? "disk present" : "no disk")); 238 acdtab[acdnlun++] = tmpcdp; 239 } 240 if (acdnlun >= NUNIT) { 241 printf("wcd: too many units\n"); 242 return 0; 243 } 244 } 245 sprintf(string, "wcd%d-", cdp->lun); 246 devstat_add_entry(cdp->device_stats, string, tmpcdp->lun, DEV_BSIZE, 247 DEVSTAT_NO_ORDERED_TAGS, 248 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_IDE, 249 DEVSTAT_PRIORITY_CD); 250 } 251 else { 252 acdnlun++; 253 devstat_add_entry(cdp->device_stats, "wcd", cdp->lun, DEV_BSIZE, 254 DEVSTAT_NO_ORDERED_TAGS, 255 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_IDE, 256 DEVSTAT_PRIORITY_CD); 257 } 258 return 1; 259 } 260 261 void 262 acd_describe(struct acd *cdp) 263 { 264 int comma; 265 char *mechanism; 266 267 printf("wcd%d: drive speed ", cdp->lun); 268 if (cdp->cap.cur_speed != cdp->cap.max_speed) 269 printf("%d - ", cdp->cap.cur_speed * 1000 / 1024); 270 printf("%dKB/sec", cdp->cap.max_speed * 1000 / 1024); 271 if (cdp->cap.buf_size) 272 printf(", %dKB cache\n", cdp->cap.buf_size); 273 274 printf("wcd%d: supported read types:", cdp->lun); 275 comma = 0; 276 if (cdp->cap.read_cdr) { 277 printf(" CD-R"); comma = 1; 278 } 279 if (cdp->cap.read_cdrw) { 280 printf("%s CD-RW", comma ? "," : ""); comma = 1; 281 } 282 if (cdp->cap.cd_da) { 283 printf("%s CD-DA", comma ? "," : ""); comma = 1; 284 } 285 if (cdp->cap.method2) 286 printf("%s packet track", comma ? "," : ""); 287 if (cdp->cap.write_cdr || cdp->cap.write_cdrw) { 288 printf("\nwcd%d: supported write types:", cdp->lun); 289 comma = 0; 290 if (cdp->cap.write_cdr) { 291 printf(" CD-R" ); comma = 1; 292 } 293 if (cdp->cap.write_cdrw) { 294 printf("%s CD-RW", comma ? "," : ""); comma = 1; 295 } 296 if (cdp->cap.test_write) { 297 printf("%s test write", comma ? "," : ""); comma = 1; 298 } 299 } 300 if (cdp->cap.audio_play) { 301 printf("\nwcd%d: Audio: ", cdp->lun); 302 if (cdp->cap.audio_play) 303 printf("play"); 304 if (cdp->cap.max_vol_levels) 305 printf(", %d volume levels", cdp->cap.max_vol_levels); 306 } 307 printf("\nwcd%d: Mechanism: ", cdp->lun); 308 switch (cdp->cap.mech) { 309 case MST_MECH_CADDY: 310 mechanism = "caddy"; break; 311 case MST_MECH_TRAY: 312 mechanism = "tray"; break; 313 case MST_MECH_POPUP: 314 mechanism = "popup"; break; 315 case MST_MECH_CHANGER: 316 mechanism = "changer"; break; 317 case MST_MECH_CARTRIDGE: 318 mechanism = "cartridge"; break; 319 default: 320 mechanism = 0; break; 321 } 322 if (mechanism) 323 printf("%s%s", cdp->cap.eject ? "ejectable " : "", mechanism); 324 else if (cdp->cap.eject) 325 printf("ejectable"); 326 327 if (cdp->cap.mech != MST_MECH_CHANGER) { 328 printf("\nwcd%d: Medium: ", cdp->lun); 329 switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) { 330 case MST_CDROM: 331 printf("CD-ROM "); break; 332 case MST_CDR: 333 printf("CD-R "); break; 334 case MST_CDRW: 335 printf("CD-RW "); break; 336 case MST_DOOR_OPEN: 337 printf("door open"); break; 338 case MST_NO_DISC: 339 printf("no/blank disc inside"); break; 340 case MST_FMT_ERROR: 341 printf("medium format error"); break; 342 } 343 if ((cdp->cap.medium_type & MST_TYPE_MASK_HIGH) < MST_TYPE_MASK_HIGH) { 344 switch (cdp->cap.medium_type & MST_TYPE_MASK_LOW) { 345 case MST_DATA_120: 346 printf("120mm data disc loaded"); break; 347 case MST_AUDIO_120: 348 printf("120mm audio disc loaded"); break; 349 case MST_COMB_120: 350 printf("120mm data/audio disc loaded"); break; 351 case MST_PHOTO_120: 352 printf("120mm photo disc loaded"); break; 353 case MST_DATA_80: 354 printf("80mm data disc loaded"); break; 355 case MST_AUDIO_80: 356 printf("80mm audio disc loaded"); break; 357 case MST_COMB_80: 358 printf("80mm data/audio disc loaded"); break; 359 case MST_PHOTO_80: 360 printf("80mm photo disc loaded"); break; 361 case MST_FMT_NONE: 362 switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) { 363 case MST_CDROM: 364 printf("unknown medium"); break; 365 case MST_CDR: 366 case MST_CDRW: 367 printf("blank medium"); break; 368 } 369 break; 370 default: 371 printf("unknown type=0x%x", cdp->cap.medium_type); break; 372 } 373 } 374 } 375 if (cdp->cap.lock) 376 printf(cdp->cap.locked ? ", locked" : ", unlocked"); 377 if (cdp->cap.prevent) 378 printf(", lock protected"); 379 printf("\n"); 380 } 381 382 static int 383 acdopen(dev_t dev, int flags, int fmt, struct proc *p) 384 { 385 int lun = dkunit(dev); 386 struct acd *cdp; 387 388 if (lun >= acdnlun || !atapi_request_immediate) 389 return ENXIO; 390 cdp = acdtab[lun]; 391 392 if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) { 393 /* Prevent user eject */ 394 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 395 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 396 cdp->flags |= F_LOCKED; 397 } 398 if (fmt == S_IFBLK) 399 cdp->flags |= F_BOPEN; 400 else 401 ++cdp->refcnt; 402 dev->si_bsize_phys = cdp->block_size; 403 if (!(flags & O_NONBLOCK) && acd_read_toc(cdp) && !(flags & FWRITE)) 404 printf("acd%d: read_toc failed\n", lun); 405 return 0; 406 } 407 408 int 409 acdclose(dev_t dev, int flags, int fmt, struct proc *p) 410 { 411 struct acd *cdp = acdtab[dkunit(dev)]; 412 413 if (fmt == S_IFBLK) 414 cdp->flags &= ~F_BOPEN; 415 else 416 --cdp->refcnt; 417 418 /* Are we the last open ?? */ 419 if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) { 420 /* Yup, do we need to close any written tracks */ 421 if ((flags & FWRITE) != 0) { 422 if ((cdp->flags & F_TRACK_PREPED) != 0) { 423 acd_close_track(cdp); 424 cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP); 425 } 426 } 427 /* Allow the user eject */ 428 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 429 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 430 } 431 cdp->flags &= ~F_LOCKED; 432 return 0; 433 } 434 435 void 436 acdstrategy(struct buf *bp) 437 { 438 int lun = dkunit(bp->b_dev); 439 struct acd *cdp = acdtab[lun]; 440 int x; 441 442 #ifdef NOTYET 443 /* allow write only on CD-R/RW media */ /* all for now SOS */ 444 if (!(bp->b_flags & B_READ) && !(writeable_media)) { 445 bp->b_error = EROFS; 446 bp->b_flags |= B_ERROR; 447 biodone(bp); 448 return; 449 } 450 #endif 451 452 if (bp->b_bcount == 0) { 453 bp->b_resid = 0; 454 biodone(bp); 455 return; 456 } 457 458 bp->b_pblkno = bp->b_blkno; 459 bp->b_resid = bp->b_bcount; 460 461 x = splbio(); 462 bufqdisksort(&cdp->buf_queue, bp); 463 acd_start(cdp); 464 splx(x); 465 } 466 467 static void 468 acd_start(struct acd *cdp) 469 { 470 struct buf *bp = bufq_first(&cdp->buf_queue); 471 u_long lba, blocks; 472 int cmd; 473 int count; 474 475 if (!bp) 476 return; 477 478 bufq_remove(&cdp->buf_queue, bp); 479 480 /* Should reject all queued entries if media have changed. */ 481 if (cdp->flags & F_MEDIA_CHANGED) { 482 bp->b_error = EIO; 483 bp->b_flags |= B_ERROR; 484 biodone(bp); 485 return; 486 } 487 488 acd_select_slot(cdp); 489 490 if ((bp->b_flags & B_READ) == B_WRITE) { 491 if ((cdp->flags & F_TRACK_PREPED) == 0) { 492 if ((cdp->flags & F_TRACK_PREP) == 0) { 493 printf("wcd%d: sequence error\n", cdp->lun); 494 bp->b_error = EIO; 495 bp->b_flags |= B_ERROR; 496 biodone(bp); 497 return; 498 } else { 499 if (acd_open_track(cdp, &cdp->preptrack) != 0) { 500 biodone(bp); 501 return; 502 } 503 cdp->flags |= F_TRACK_PREPED; 504 } 505 } 506 } 507 508 if (bp->b_flags & B_READ) 509 #ifdef NOTYET 510 lba = bp->b_offset / cdp->block_size; 511 #else 512 lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE); 513 #endif 514 else 515 lba = cdp->next_writeable_lba + (bp->b_offset / cdp->block_size); 516 blocks = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size; 517 518 if ((bp->b_flags & B_READ) == B_WRITE) { 519 cmd = ATAPI_WRITE_BIG; 520 count = -bp->b_bcount; 521 } else { 522 cmd = ATAPI_READ_BIG; 523 count = bp->b_bcount; 524 } 525 526 devstat_start_transaction(cdp->device_stats); 527 528 atapi_request_callback(cdp->ata, cdp->unit, cmd, 0, 529 lba>>24, lba>>16, lba>>8, lba, 0, 530 blocks>>8, blocks, 0, 0, 0, 0, 0, 0, 0, 531 (u_char *)bp->b_data, count, 532 (atapi_callback_t *)acd_done, cdp, bp); 533 } 534 535 static void 536 acd_done(struct acd *cdp, struct buf *bp, int resid, struct atapires result) 537 { 538 539 if (result.code) { 540 atapi_error(cdp->ata, cdp->unit, result); 541 bp->b_error = EIO; 542 bp->b_flags |= B_ERROR; 543 } else { 544 bp->b_resid = resid; 545 if ((bp->b_flags & B_READ) == B_WRITE) 546 cdp->flags |= F_WRITTEN; 547 } 548 devstat_end_transaction_buf(cdp->device_stats, bp); 549 biodone(bp); 550 acd_start(cdp); 551 } 552 553 static int 554 acd_request_wait(struct acd *cdp, u_char cmd, u_char a1, u_char a2, 555 u_char a3, u_char a4, u_char a5, u_char a6, u_char a7, u_char a8, 556 u_char a9, char *addr, int count) 557 { 558 struct atapires result; 559 560 result = atapi_request_wait(cdp->ata, cdp->unit, cmd, a1, a2, a3, a4, a5, 561 a6, a7, a8, a9, 0, 0, 0, 0, 0, 0, addr, count); 562 if (result.code) { 563 atapi_error(cdp->ata, cdp->unit, result); 564 return EIO; 565 } 566 return 0; 567 } 568 569 static __inline void 570 lba2msf(int lba, u_char *m, u_char *s, u_char *f) 571 { 572 lba += 150; 573 lba &= 0xffffff; 574 *m = lba / (60 * 75); 575 lba %= (60 * 75); 576 *s = lba / 75; 577 *f = lba % 75; 578 } 579 580 static __inline int 581 msf2lba(u_char m, u_char s, u_char f) 582 { 583 return (m * 60 + s) * 75 + f - 150; 584 } 585 586 int 587 acdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 588 { 589 int lun = dkunit(dev); 590 struct acd *cdp = acdtab[lun]; 591 int error = 0; 592 593 if (cdp->flags & F_MEDIA_CHANGED) 594 switch (cmd) { 595 case CDIOCRESET: 596 break; 597 default: 598 acd_read_toc(cdp); 599 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 600 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 601 cdp->flags |= F_LOCKED; 602 break; 603 } 604 switch (cmd) { 605 /* 606 case CDIOCRESUME: 607 bzero(cdb); 608 cdb->cmd = ATAPI_PAUSE; 609 cdb->b8 = 0x01; 610 return atapi_cmd_wait(cdp->ata, cdp->unit, cdb, 0, 0, timout, 0); 611 */ 612 case CDIOCRESUME: 613 return acd_request_wait(cdp, ATAPI_PAUSE, 614 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0); 615 616 case CDIOCPAUSE: 617 return acd_request_wait(cdp, ATAPI_PAUSE, 618 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 619 620 case CDIOCSTART: 621 return acd_request_wait(cdp, ATAPI_START_STOP, 622 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 623 624 case CDIOCSTOP: 625 return acd_request_wait(cdp, ATAPI_START_STOP, 626 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 627 628 case CDIOCALLOW: 629 acd_select_slot(cdp); 630 cdp->flags &= ~F_LOCKED; 631 return acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 632 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 633 634 case CDIOCPREVENT: 635 acd_select_slot(cdp); 636 cdp->flags |= F_LOCKED; 637 return acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 638 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 639 640 case CDIOCRESET: 641 error = suser(p); 642 if (error) 643 return (error); 644 return acd_request_wait(cdp, ATAPI_TEST_UNIT_READY, 645 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 646 647 case CDIOCEJECT: 648 if ((cdp->flags & F_BOPEN) && cdp->refcnt) 649 return EBUSY; 650 return acd_eject(cdp, 0); 651 652 case CDIOCCLOSE: 653 if ((cdp->flags & F_BOPEN) && cdp->refcnt) 654 return 0; 655 return acd_eject(cdp, 1); 656 657 case CDIOREADTOCHEADER: 658 if (!cdp->toc.hdr.ending_track) 659 return EIO; 660 bcopy(&cdp->toc.hdr, addr, sizeof(cdp->toc.hdr)); 661 break; 662 663 case CDIOREADTOCENTRYS: 664 { 665 struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *)addr; 666 struct toc *toc = &cdp->toc; 667 struct toc buf; 668 u_long len; 669 u_char starting_track = te->starting_track; 670 671 if (!cdp->toc.hdr.ending_track) 672 return EIO; 673 674 if (te->data_len < sizeof(toc->tab[0]) || 675 (te->data_len % sizeof(toc->tab[0])) != 0 || 676 (te->address_format != CD_MSF_FORMAT && 677 te->address_format != CD_LBA_FORMAT)) 678 return EINVAL; 679 680 if (!starting_track) 681 starting_track = toc->hdr.starting_track; 682 else if (starting_track == 170) 683 starting_track = toc->hdr.ending_track + 1; 684 else if (starting_track < toc->hdr.starting_track || 685 starting_track > toc->hdr.ending_track + 1) 686 return EINVAL; 687 688 len = ((toc->hdr.ending_track + 1 - starting_track) + 1) * 689 sizeof(toc->tab[0]); 690 if (te->data_len < len) 691 len = te->data_len; 692 if (len > sizeof(toc->tab)) 693 return EINVAL; 694 695 if (te->address_format == CD_MSF_FORMAT) { 696 struct cd_toc_entry *entry; 697 698 buf = cdp->toc; 699 toc = &buf; 700 entry = toc->tab + (toc->hdr.ending_track + 1 - 701 toc->hdr.starting_track) + 1; 702 while (--entry >= toc->tab) 703 lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute, 704 &entry->addr.msf.second, &entry->addr.msf.frame); 705 } 706 return copyout(toc->tab + starting_track - toc->hdr.starting_track, 707 te->data, len); 708 } 709 710 case CDIOREADTOCENTRY: 711 { 712 struct ioc_read_toc_single_entry *te = 713 (struct ioc_read_toc_single_entry *)addr; 714 struct toc *toc = &cdp->toc; 715 struct toc buf; 716 u_char track = te->track; 717 718 if (!cdp->toc.hdr.ending_track) 719 return EIO; 720 721 if (te->address_format != CD_MSF_FORMAT && 722 te->address_format != CD_LBA_FORMAT) 723 return EINVAL; 724 725 if (!track) 726 track = toc->hdr.starting_track; 727 else if (track == 170) 728 track = toc->hdr.ending_track + 1; 729 else if (track < toc->hdr.starting_track || 730 track > toc->hdr.ending_track + 1) 731 return EINVAL; 732 733 if (te->address_format == CD_MSF_FORMAT) { 734 struct cd_toc_entry *entry; 735 736 buf = cdp->toc; 737 toc = &buf; 738 entry = toc->tab + (track - toc->hdr.starting_track); 739 lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute, 740 &entry->addr.msf.second, &entry->addr.msf.frame); 741 } 742 bcopy(toc->tab + track - toc->hdr.starting_track, 743 &te->entry, sizeof(struct cd_toc_entry)); 744 } 745 break; 746 747 case CDIOCREADSUBCHANNEL: 748 { 749 struct ioc_read_subchannel *args = 750 (struct ioc_read_subchannel *)addr; 751 struct cd_sub_channel_info data; 752 u_long len = args->data_len; 753 int abslba, rellba; 754 755 if (len > sizeof(data) || 756 len < sizeof(struct cd_sub_channel_header)) 757 return EINVAL; 758 759 if (acd_request_wait(cdp, ATAPI_READ_SUBCHANNEL, 760 0, 0x40, 1, 0, 0, 0, 761 sizeof(cdp->subchan)>>8, sizeof(cdp->subchan), 762 0, 763 (char *)&cdp->subchan, 764 sizeof(cdp->subchan)) != 0) 765 return EIO; 766 if (cdp->flags & F_DEBUG) 767 atapi_dump(cdp->ata->ctrlr, cdp->lun, "subchan", &cdp->subchan, 768 sizeof(cdp->subchan)); 769 770 abslba = cdp->subchan.abslba; 771 rellba = cdp->subchan.rellba; 772 if (args->address_format == CD_MSF_FORMAT) { 773 lba2msf(ntohl(abslba), 774 &data.what.position.absaddr.msf.minute, 775 &data.what.position.absaddr.msf.second, 776 &data.what.position.absaddr.msf.frame); 777 lba2msf(ntohl(rellba), 778 &data.what.position.reladdr.msf.minute, 779 &data.what.position.reladdr.msf.second, 780 &data.what.position.reladdr.msf.frame); 781 } else { 782 data.what.position.absaddr.lba = abslba; 783 data.what.position.reladdr.lba = rellba; 784 } 785 data.header.audio_status = cdp->subchan.audio_status; 786 data.what.position.control = cdp->subchan.control & 0xf; 787 data.what.position.addr_type = cdp->subchan.control >> 4; 788 data.what.position.track_number = cdp->subchan.track; 789 data.what.position.index_number = cdp->subchan.indx; 790 return copyout(&data, args->data, len); 791 } 792 793 case CDIOCPLAYMSF: 794 { 795 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 796 797 return acd_request_wait(cdp, ATAPI_PLAY_MSF, 0, 0, 798 args->start_m, args->start_s, args->start_f, 799 args->end_m, args->end_s, args->end_f, 800 0, 0, 0); 801 } 802 803 case CDIOCPLAYBLOCKS: 804 { 805 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 806 807 return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0, 808 args->blk>>24 & 0xff, args->blk>>16 & 0xff, 809 args->blk>>8 & 0xff, args->blk & 0xff, 810 args->len>>24 & 0xff, args->len>>16 & 0xff, 811 args->len>>8 & 0xff, args->len & 0xff, 812 0, 0); 813 } 814 815 case CDIOCPLAYTRACKS: 816 { 817 struct ioc_play_track *args = (struct ioc_play_track *)addr; 818 u_long start, len; 819 int t1, t2; 820 821 if (!cdp->toc.hdr.ending_track) 822 return EIO; 823 824 if (args->end_track < cdp->toc.hdr.ending_track + 1) 825 ++args->end_track; 826 if (args->end_track > cdp->toc.hdr.ending_track + 1) 827 args->end_track = cdp->toc.hdr.ending_track + 1; 828 t1 = args->start_track - cdp->toc.hdr.starting_track; 829 t2 = args->end_track - cdp->toc.hdr.starting_track; 830 if (t1 < 0 || t2 < 0) 831 return EINVAL; 832 start = ntohl(cdp->toc.tab[t1].addr.lba); 833 len = ntohl(cdp->toc.tab[t2].addr.lba) - start; 834 835 return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0, 836 start>>24 & 0xff, start>>16 & 0xff, 837 start>>8 & 0xff, start & 0xff, 838 len>>24 & 0xff, len>>16 & 0xff, 839 len>>8 & 0xff, len & 0xff, 0, 0); 840 } 841 842 case CDIOCREADAUDIO: 843 { 844 struct ioc_read_audio* args = (struct ioc_read_audio*) addr; 845 int lba, frames, result = 0; 846 u_char *buffer, *ubuf = args->buffer; 847 848 if (!cdp->toc.hdr.ending_track) 849 return EIO; 850 851 if ((frames = args->nframes) < 0) 852 return EINVAL; 853 854 if (args->address_format == CD_LBA_FORMAT) 855 lba = args->address.lba; 856 else if (args->address_format == CD_MSF_FORMAT) 857 lba = msf2lba(args->address.msf.minute, 858 args->address.msf.second, 859 args->address.msf.frame); 860 else 861 return EINVAL; 862 #ifndef CD_BUFFER_BLOCKS 863 #define CD_BUFFER_BLOCKS 8 864 #endif 865 if (!(buffer = malloc(CD_BUFFER_BLOCKS * 2352, M_TEMP, M_NOWAIT))) 866 return ENOMEM; 867 868 while (frames > 0) { 869 u_char blocks; 870 int size; 871 872 blocks = (frames>CD_BUFFER_BLOCKS) ? CD_BUFFER_BLOCKS : frames; 873 size = blocks * 2352; 874 875 result = acd_request_wait(cdp, ATAPI_READ_CD, 4, 876 lba>>24, (lba>>16)&0xff, 877 (lba>>8)&0xff, lba&0xff, 0, 0, 878 blocks, 0xf0, buffer, size); 879 if (result != 0) 880 break; 881 882 result = copyout(buffer, ubuf, size); 883 if (result != 0) 884 break; 885 886 ubuf += size; 887 frames -= blocks; 888 lba += blocks; 889 } 890 891 free(buffer, M_TEMP); 892 return result; 893 } 894 895 case CDIOCGETVOL: 896 { 897 struct ioc_vol *arg = (struct ioc_vol *)addr; 898 899 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 900 0, 0, 0, 0, 901 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 902 (char *)&cdp->au, sizeof(cdp->au)); 903 if (error) 904 return error; 905 if (cdp->flags & F_DEBUG) 906 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, 907 sizeof(cdp->au)); 908 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 909 return EIO; 910 arg->vol[0] = cdp->au.port[0].volume; 911 arg->vol[1] = cdp->au.port[1].volume; 912 arg->vol[2] = cdp->au.port[2].volume; 913 arg->vol[3] = cdp->au.port[3].volume; 914 } 915 break; 916 917 case CDIOCSETVOL: 918 { 919 struct ioc_vol *arg = (struct ioc_vol *)addr; 920 921 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 922 0, 0, 0, 0, 923 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 924 (char *)&cdp->au, sizeof(cdp->au)); 925 if (error) 926 return error; 927 if (cdp->flags & F_DEBUG) 928 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, 929 sizeof(cdp->au)); 930 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 931 return EIO; 932 933 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, 934 CDROM_AUDIO_PAGE_MASK, 0, 0, 0, 0, 935 sizeof(cdp->aumask)>>8,sizeof(cdp->aumask), 936 0, 937 (char *)&cdp->aumask, sizeof(cdp->aumask)); 938 if (error) 939 return error; 940 if (cdp->flags & F_DEBUG) 941 atapi_dump(cdp->ata->ctrlr, cdp->lun, "mask", &cdp->aumask, 942 sizeof(cdp->aumask)); 943 944 cdp->au.data_length = 0; 945 cdp->au.port[0].channels = CHANNEL_0; 946 cdp->au.port[1].channels = CHANNEL_1; 947 cdp->au.port[0].volume = arg->vol[0] & cdp->aumask.port[0].volume; 948 cdp->au.port[1].volume = arg->vol[1] & cdp->aumask.port[1].volume; 949 cdp->au.port[2].volume = arg->vol[2] & cdp->aumask.port[2].volume; 950 cdp->au.port[3].volume = arg->vol[3] & cdp->aumask.port[3].volume; 951 return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10, 952 0, 0, 0, 0, 0, 953 sizeof(cdp->au)>>8, sizeof(cdp->au), 954 0, (char *)&cdp->au, -sizeof(cdp->au)); 955 } 956 957 case CDIOCSETPATCH: 958 { 959 struct ioc_patch *arg = (struct ioc_patch *)addr; 960 961 return acd_setchan(cdp, arg->patch[0], arg->patch[1], 962 arg->patch[2], arg->patch[3]); 963 } 964 965 case CDIOCSETMONO: 966 return acd_setchan(cdp, CHANNEL_0|CHANNEL_1, CHANNEL_0|CHANNEL_1, 0, 0); 967 968 case CDIOCSETSTEREO: 969 return acd_setchan(cdp, CHANNEL_0, CHANNEL_1, 0, 0); 970 971 case CDIOCSETMUTE: 972 return acd_setchan(cdp, 0, 0, 0, 0); 973 974 case CDIOCSETLEFT: 975 return acd_setchan(cdp, CHANNEL_0, CHANNEL_0, 0, 0); 976 977 case CDIOCSETRIGHT: 978 return acd_setchan(cdp, CHANNEL_1, CHANNEL_1, 0, 0); 979 980 case CDRIOCNEXTWRITEABLEADDR: 981 { 982 struct acd_track_info track_info; 983 984 if ((error = acd_read_track_info(cdp, 0xff, &track_info))) 985 break; 986 if (!track_info.nwa_valid) 987 return EINVAL; 988 cdp->next_writeable_lba = track_info.next_writeable_addr; 989 *(int*)addr = track_info.next_writeable_addr; 990 } 991 break; 992 993 case WORMIOCPREPDISK: 994 { 995 struct wormio_prepare_disk *w = (struct wormio_prepare_disk *)addr; 996 997 if (w->dummy != 0 && w->dummy != 1) 998 error = EINVAL; 999 else { 1000 error = acd_open_disk(cdp, w->dummy); 1001 if (error == 0) { 1002 cdp->flags |= F_DISK_PREPED; 1003 cdp->dummy = w->dummy; 1004 cdp->speed = w->speed; 1005 } 1006 } 1007 } 1008 break; 1009 1010 case WORMIOCPREPTRACK: 1011 { 1012 struct wormio_prepare_track *w =(struct wormio_prepare_track *)addr; 1013 1014 if (w->audio != 0 && w->audio != 1) 1015 error = EINVAL; 1016 else if (w->audio == 0 && w->preemp) 1017 error = EINVAL; 1018 else if ((cdp->flags & F_DISK_PREPED) == 0) { 1019 error = EINVAL; 1020 printf("wcd%d: sequence error (PREP_TRACK)\n", cdp->lun); 1021 } else { 1022 cdp->flags |= F_TRACK_PREP; 1023 cdp->preptrack = *w; 1024 } 1025 } 1026 break; 1027 1028 case WORMIOCFINISHTRACK: 1029 if ((cdp->flags & F_TRACK_PREPED) != 0) 1030 error = acd_close_track(cdp); 1031 cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP); 1032 break; 1033 1034 case WORMIOCFIXATION: 1035 { 1036 struct wormio_fixation *w = 1037 (struct wormio_fixation *)addr; 1038 1039 if ((cdp->flags & F_WRITTEN) == 0) 1040 error = EINVAL; 1041 else if (w->toc_type < 0 /* WORM_TOC_TYPE_AUDIO */ || 1042 w->toc_type > 4 /* WORM_TOC_TYPE_CDI */ ) 1043 error = EINVAL; 1044 else if (w->onp != 0 && w->onp != 1) 1045 error = EINVAL; 1046 else { 1047 /* no fixation needed if dummy write */ 1048 if (cdp->dummy == 0) 1049 error = acd_close_disk(cdp); 1050 cdp->flags &= 1051 ~(F_WRITTEN|F_DISK_PREPED|F_TRACK_PREP|F_TRACK_PREPED); 1052 } 1053 } 1054 break; 1055 1056 case CDRIOCBLANK: 1057 return acd_blank_disk(cdp); 1058 1059 default: 1060 return ENOTTY; 1061 } 1062 return error; 1063 } 1064 1065 static int 1066 acd_read_toc(struct acd *cdp) 1067 { 1068 int ntracks, len; 1069 struct atapires result; 1070 1071 bzero(&cdp->toc, sizeof(cdp->toc)); 1072 bzero(&cdp->info, sizeof(cdp->info)); 1073 1074 acd_select_slot(cdp); 1075 1076 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY, 1077 0, 0, 0, 0, 0, 0, 0, 0, 1078 0, 0, 0, 0, 0, 0, 0, 0, 0); 1079 1080 if (result.code == RES_ERR && 1081 (result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION) { 1082 cdp->flags |= F_MEDIA_CHANGED; 1083 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1084 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY, 1085 0, 0, 0, 0, 0, 0, 0, 0, 1086 0, 0, 0, 0, 0, 0, 0, 0, 0); 1087 } 1088 1089 if (result.code) { 1090 atapi_error(cdp->ata, cdp->unit, result); 1091 return EIO; 1092 } 1093 1094 cdp->flags &= ~F_MEDIA_CHANGED; 1095 1096 len = sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry); 1097 if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0, 1098 len>>8, len & 0xff, 0, (char *)&cdp->toc, len) != 0) { 1099 bzero(&cdp->toc, sizeof(cdp->toc)); 1100 return 0; 1101 } 1102 ntracks = cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1; 1103 if (ntracks <= 0 || ntracks > MAXTRK) { 1104 bzero(&cdp->toc, sizeof(cdp->toc)); 1105 return 0; 1106 } 1107 1108 len = sizeof(struct ioc_toc_header) + ntracks * sizeof(struct cd_toc_entry); 1109 if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0, 1110 len>>8, len & 0xff, 0, (char *)&cdp->toc, len) & 0xff){ 1111 bzero(&cdp->toc, sizeof(cdp->toc)); 1112 return 0; 1113 } 1114 1115 cdp->toc.hdr.len = ntohs(cdp->toc.hdr.len); 1116 1117 if (acd_request_wait(cdp, ATAPI_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1118 (char *)&cdp->info, sizeof(cdp->info)) != 0) 1119 bzero(&cdp->info, sizeof(cdp->info)); 1120 1121 cdp->toc.tab[ntracks].control = cdp->toc.tab[ntracks - 1].control; 1122 cdp->toc.tab[ntracks].addr_type = cdp->toc.tab[ntracks - 1].addr_type; 1123 cdp->toc.tab[ntracks].track = 170; 1124 cdp->toc.tab[ntracks].addr.lba = cdp->info.volsize; 1125 1126 cdp->info.volsize = ntohl(cdp->info.volsize); 1127 cdp->info.blksize = ntohl(cdp->info.blksize); 1128 1129 if (cdp->info.volsize && cdp->toc.hdr.ending_track 1130 && (cdp->flags & F_DEBUG)) { 1131 printf("wcd%d: ", cdp->lun); 1132 if (cdp->toc.tab[0].control & 4) 1133 printf("%ldMB ", cdp->info.volsize / 512); 1134 else 1135 printf("%ld:%ld audio ", cdp->info.volsize / 75 / 60, 1136 cdp->info.volsize / 75 % 60); 1137 printf("(%ld sectors (%ld bytes)), %d tracks\n", 1138 cdp->info.volsize, cdp->info.blksize, 1139 cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1); 1140 } 1141 return 0; 1142 } 1143 1144 /* 1145 * Set up the audio channel masks. 1146 */ 1147 static int 1148 acd_setchan(struct acd *cdp, u_char c0, u_char c1, u_char c2, u_char c3) 1149 { 1150 int error; 1151 1152 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 1153 0, 0, 0, 0, 1154 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 1155 (char *)&cdp->au, sizeof(cdp->au)); 1156 if (error) 1157 return error; 1158 if (cdp->flags & F_DEBUG) 1159 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, sizeof(cdp->au)); 1160 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 1161 return EIO; 1162 1163 cdp->au.data_length = 0; 1164 cdp->au.port[0].channels = c0; 1165 cdp->au.port[1].channels = c1; 1166 cdp->au.port[2].channels = c2; 1167 cdp->au.port[3].channels = c3; 1168 return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10, 1169 0, 0, 0, 0, 0, 1170 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 1171 (char *)&cdp->au, -sizeof(cdp->au)); 1172 } 1173 1174 static int 1175 acd_eject(struct acd *cdp, int close) 1176 { 1177 struct atapires result; 1178 1179 acd_select_slot(cdp); 1180 1181 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_START_STOP, 1, 1182 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1183 1184 if (result.code == RES_ERR && 1185 ((result.error & AER_SKEY) == AER_SK_NOT_READY || 1186 (result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION)) { 1187 int err; 1188 1189 if (!close) 1190 return 0; 1191 err = acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 3, 1192 0, 0, 0, 0, 0, 0, 0); 1193 if (err) 1194 return err; 1195 1196 acd_read_toc(cdp); 1197 1198 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1, 1199 0, 0, 0, 0, 0, 0, 0); 1200 cdp->flags |= F_LOCKED; 1201 return 0; 1202 } 1203 if (result.code) { 1204 atapi_error(cdp->ata, cdp->unit, result); 1205 return EIO; 1206 } 1207 if (close) 1208 return 0; 1209 1210 tsleep((caddr_t) &lbolt, PRIBIO, "wcdej1", 0); 1211 tsleep((caddr_t) &lbolt, PRIBIO, "wcdej2", 0); 1212 1213 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1214 cdp->flags &= ~F_LOCKED; 1215 1216 cdp->flags |= F_MEDIA_CHANGED; 1217 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1218 return acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 2, 1219 0, 0, 0, 0, 0, 0, 0); 1220 } 1221 1222 static void 1223 acd_select_slot(struct acd *cdp) 1224 { 1225 if (cdp->slot < 0 || cdp->changer_info->current_slot == cdp->slot) 1226 return; 1227 1228 /* Unlock (might not be needed but its cheaper than asking) */ 1229 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1230 1231 /* Unload the current media from player */ 1232 acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 2, 1233 0, 0, 0, cdp->changer_info->current_slot, 0, 0, 0); 1234 1235 /* load the wanted slot */ 1236 acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 3, 1237 0, 0, 0, cdp->slot, 0, 0, 0); 1238 1239 cdp->changer_info->current_slot = cdp->slot; 1240 1241 /* Lock the media if needed */ 1242 if (cdp->flags & F_LOCKED) { 1243 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1, 1244 0, 0, 0, 0, 0, 0, 0); 1245 } 1246 } 1247 1248 static int 1249 acd_open_disk(struct acd *cdp, int test) 1250 { 1251 cdp->next_writeable_lba = 0; 1252 return 0; 1253 } 1254 1255 static int 1256 acd_close_disk(struct acd *cdp) 1257 { 1258 return acd_request_wait(cdp, ATAPI_CLOSE_TRACK, 0x00, 1259 0x02, 0, 0, 0/*track*/, 0, 0, 0, 0, 0, 0); 1260 } 1261 1262 static int 1263 acd_open_track(struct acd *cdp, struct wormio_prepare_track *ptp) 1264 { 1265 struct write_param param; 1266 struct atapires result; 1267 1268 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SENSE, 1269 0, 0x05, 0, 0, 0, 0, 1270 sizeof(param)>>8, sizeof(param), 1271 0, 0, 0, 0, 0, 0, 0, 1272 (char *)¶m, sizeof(param)); 1273 1274 if (cdp->flags & F_DEBUG) 1275 atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", ¶m, sizeof(param)); 1276 1277 if (result.code == RES_UNDERRUN) 1278 result.code = 0; 1279 1280 if (result.code) { 1281 atapi_error(cdp->ata, cdp->unit, result); 1282 return EIO; 1283 } 1284 param.page_code = 0x05; 1285 param.page_length = 0x32; 1286 param.test_write = cdp->dummy ? 1 : 0; 1287 param.write_type = CDR_WTYPE_TRACK; 1288 1289 switch (ptp->audio) { 1290 /* switch (data_type) { */ 1291 1292 case 0: 1293 /* case CDR_DATA: */ 1294 cdp->block_size = 2048; 1295 param.track_mode = CDR_TMODE_DATA; 1296 param.data_block_type = CDR_DB_ROM_MODE1; 1297 param.session_format = CDR_SESS_CDROM; 1298 break; 1299 1300 default: 1301 /* case CDR_AUDIO: */ 1302 cdp->block_size = 2352; 1303 if (ptp->preemp) 1304 param.track_mode = CDR_TMODE_AUDIO; 1305 else 1306 param.track_mode = 0; 1307 param.data_block_type = CDR_DB_RAW; 1308 param.session_format = CDR_SESS_CDROM; 1309 break; 1310 1311 /* 1312 case CDR_MODE2: 1313 param.track_mode = CDR_TMODE_DATA; 1314 param.data_block_type = CDR_DB_ROM_MODE2; 1315 param.session_format = CDR_SESS_CDROM; 1316 break; 1317 1318 case CDR_XA1: 1319 param.track_mode = CDR_TMODE_DATA; 1320 param.data_block_type = CDR_DB_XA_MODE1; 1321 param.session_format = CDR_SESS_CDROM_XA; 1322 break; 1323 1324 case CDR_XA2: 1325 param.track_mode = CDR_TMODE_DATA; 1326 param.data_block_type = CDR_DB_XA_MODE2_F1; 1327 param.session_format = CDR_SESS_CDROM_XA; 1328 break; 1329 1330 case CDR_CDI: 1331 param.track_mode = CDR_TMODE_DATA; 1332 param.data_block_type = CDR_DB_XA_MODE2_F1; 1333 param.session_format = CDR_SESS_CDI; 1334 break; 1335 */ 1336 } 1337 1338 param.multi_session = CDR_MSES_NONE; 1339 param.fp = 0; 1340 param.packet_size = 0; 1341 1342 if (cdp->flags & F_DEBUG) 1343 atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", ¶m, sizeof(param)); 1344 1345 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SELECT, 1346 0x10, 0, 0, 0, 0, 0, 1347 sizeof(param)>>8, sizeof(param), 1348 0, 0, 0, 0, 0, 0, 0, 1349 (char *)¶m, -sizeof(param)); 1350 1351 if (result.code == RES_UNDERRUN) 1352 result.code = 0; 1353 1354 if (result.code) { 1355 atapi_error(cdp->ata, cdp->unit, result); 1356 return EIO; 1357 } 1358 return 0; 1359 } 1360 1361 static int 1362 acd_close_track(struct acd *cdp) 1363 { 1364 return acd_request_wait(cdp, ATAPI_SYNCHRONIZE_CACHE, 0, 1365 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1366 } 1367 1368 static int 1369 acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info) 1370 { 1371 int error; 1372 1373 error = acd_request_wait(cdp, ATAPI_READ_TRACK_INFO, 0x01, 1374 lba>>24, (lba>>16)&0xff, 1375 (lba>>8)&0xff, lba&0xff, 1376 0, 1377 sizeof(*info)>>8, sizeof(*info), 0, 1378 (char *)info, sizeof(*info)); 1379 if (error) 1380 return error; 1381 info->track_start_addr = ntohl(info->track_start_addr); 1382 info->next_writeable_addr = ntohl(info->next_writeable_addr); 1383 info->free_blocks = ntohl(info->free_blocks); 1384 info->fixed_packet_size = ntohl(info->fixed_packet_size); 1385 info->track_length = ntohl(info->track_length); 1386 return 0; 1387 } 1388 1389 static int 1390 acd_blank_disk(struct acd *cdp) 1391 { 1392 int error; 1393 1394 error = acd_request_wait(cdp, 0xa1, 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1395 cdp->flags |= F_MEDIA_CHANGED; 1396 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1397 return error; 1398 } 1399 1400 static void 1401 atapi_error(struct atapi *ata, int unit, struct atapires result) 1402 { 1403 if (result.code != RES_ERR) { 1404 printf("atapi%d:%d: ERROR %d, status=%b, error=%b\n", 1405 ata->ctrlr, unit, result.code, result.status, 1406 ARS_BITS, result.error, AER_BITS); 1407 return; 1408 } 1409 switch (result.error & AER_SKEY) { 1410 case AER_SK_NOT_READY: 1411 if (ata->debug) 1412 printf("atapi%d:%d: not ready\n", ata->ctrlr, unit); 1413 break; 1414 1415 case AER_SK_BLANK_CHECK: 1416 if (ata->debug) 1417 printf("atapi%d:%d: blank check\n", ata->ctrlr, unit); 1418 break; 1419 1420 case AER_SK_MEDIUM_ERROR: 1421 if (ata->debug) 1422 printf("atapi%d:%d: medium error\n", ata->ctrlr, unit); 1423 break; 1424 1425 case AER_SK_HARDWARE_ERROR: 1426 if (ata->debug) 1427 printf("atapi%d:%d: hardware error\n", ata->ctrlr, unit); 1428 break; 1429 1430 case AER_SK_ILLEGAL_REQUEST: 1431 if (ata->debug) 1432 printf("atapi%d:%d: illegal request\n", ata->ctrlr, unit); 1433 break; 1434 1435 case AER_SK_UNIT_ATTENTION: 1436 if (ata->debug) 1437 printf("atapi%d:%d: unit attention\n", ata->ctrlr, unit); 1438 break; 1439 1440 case AER_SK_DATA_PROTECT: 1441 if (ata->debug) 1442 printf("atapi%d:%d: reading protected data\n", ata->ctrlr, unit); 1443 break; 1444 1445 case AER_SK_ABORTED_COMMAND: 1446 if (ata->debug) 1447 printf("atapi%d:%d: command aborted\n", ata->ctrlr, unit); 1448 break; 1449 1450 case AER_SK_MISCOMPARE: 1451 if (ata->debug) 1452 printf("atapi%d:%d: data don't match medium\n", ata->ctrlr, unit); 1453 break; 1454 1455 default: 1456 if (ata->debug) 1457 printf("atapi%d:%d: unknown error, status=%b, error=%b\n", 1458 ata->ctrlr, unit, result.status, ARS_BITS, 1459 result.error, AER_BITS); 1460 } 1461 } 1462 1463 static void 1464 atapi_dump(int ctrlr, int lun, char *label, void *data, int len) 1465 { 1466 u_char *p = data; 1467 1468 printf ("atapi%d%d: %s %x", ctrlr, lun, label, *p++); 1469 while (--len > 0) printf ("-%x", *p++); 1470 printf ("\n"); 1471 } 1472 1473 static void 1474 acd_drvinit(void *unused) 1475 { 1476 cdevsw_add(&acd_cdevsw); 1477 } 1478 1479 SYSINIT(acddev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR, acd_drvinit, NULL)
Cache object: fda4c1b961c4c01f87f73ba15a6e9185
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