Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/i386/isa/atapi-cd.c
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1 /*- 2 * Copyright (c) 1998 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 "wdc.h" 32 #include "acd.h" 33 #include "opt_atapi.h" 34 #include "opt_devfs.h" 35 36 #if NACD > 0 && NWDC > 0 && defined(ATAPI) 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/proc.h> 42 #include <sys/malloc.h> 43 #include <sys/buf.h> 44 #include <sys/disklabel.h> 45 #include <sys/cdio.h> 46 #include <sys/wormio.h> 47 #include <sys/fcntl.h> 48 #include <sys/conf.h> 49 #include <sys/stat.h> 50 #ifdef DEVFS 51 #include <sys/devfsext.h> 52 #endif 53 #include <i386/isa/atapi.h> 54 #include <i386/isa/atapi-cd.h> 55 56 static d_open_t acdopen; 57 static d_close_t acdclose; 58 static d_write_t acdwrite; 59 static d_read_t acdread; 60 static d_ioctl_t acdioctl; 61 static d_strategy_t acdstrategy; 62 63 #define CDEV_MAJOR 69 64 #define BDEV_MAJOR 19 65 static struct cdevsw acd_cdevsw = { 66 acdopen, acdclose, acdread, acdwrite, 67 acdioctl, nostop, nullreset, nodevtotty, 68 seltrue, nommap, acdstrategy, "acd", 69 NULL, -1, nodump, nopsize, 70 D_DISK, 0, -1 71 }; 72 73 #define NUNIT 16 /* Max # of devices */ 74 75 #define F_BOPEN 0x0001 /* The block device is opened */ 76 #define F_MEDIA_CHANGED 0x0002 /* The media have changed since open */ 77 #define F_DEBUG 0x0004 /* Print debug info */ 78 #define F_LOCKED 0x0008 /* This unit is locked (or should be) */ 79 #define F_TRACK_PREP 0x0010 /* Track should be prep'ed */ 80 #define F_TRACK_PREPED 0x0020 /* Track has been prep'ed */ 81 #define F_DISK_PREPED 0x0040 /* Disk has been prep'ed */ 82 #define F_WRITTEN 0x0080 /* The medium has been written to */ 83 84 static struct acd *acdtab[NUNIT]; 85 static int acdnlun = 0; /* Number of configured drives */ 86 87 #ifndef ATAPI_STATIC 88 static 89 #endif 90 int acdattach(struct atapi *, int, struct atapi_params *, int); 91 static struct acd *acd_init_lun(struct atapi *, int, struct atapi_params *,int); 92 static void acd_start(struct acd *); 93 static void acd_done(struct acd *, struct buf *, int, struct atapires); 94 static int acd_read_toc(struct acd *); 95 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); 96 static void acd_describe(struct acd *); 97 static int acd_setchan(struct acd *, u_char, u_char, u_char, u_char); 98 static int acd_eject(struct acd *, int); 99 static void acd_select_slot(struct acd *); 100 static int acd_open_disk(struct acd *, int); 101 static int acd_open_track(struct acd *, struct wormio_prepare_track *); 102 static int acd_close_track(struct acd *); 103 static int acd_close_disk(struct acd *); 104 static int acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info); 105 static int acd_blank_disk(struct acd *); 106 static void atapi_dump(int ctrlr, int lun, char *label, void *data, int len); 107 static void atapi_error(struct atapi *ata, int unit, struct atapires result); 108 109 struct acd * 110 acd_init_lun(struct atapi *ata, int unit, struct atapi_params *ap, int lun) 111 { 112 struct acd *ptr; 113 114 if (!(ptr = malloc(sizeof(struct acd), M_TEMP, M_NOWAIT))) 115 return NULL; 116 bzero(ptr, sizeof(struct acd)); 117 bufq_init(&ptr->buf_queue); 118 ptr->ata = ata; 119 ptr->unit = unit; 120 ptr->lun = lun; 121 ptr->param = ap; 122 ptr->flags = F_MEDIA_CHANGED; 123 ptr->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 124 ptr->block_size = 2048; 125 ptr->refcnt = 0; 126 ptr->slot = -1; 127 ptr->changer_info = NULL; 128 #ifdef DEVFS 129 ptr->ra_devfs_token = 130 devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, 0), 131 DV_CHR, UID_ROOT, GID_OPERATOR, 0640, 132 "racd%da", lun); 133 ptr->rc_devfs_token = 134 devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART), 135 DV_CHR, UID_ROOT, GID_OPERATOR, 0640, 136 "racd%dc", lun); 137 ptr->a_devfs_token = 138 devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, 0), 139 DV_BLK, UID_ROOT, GID_OPERATOR, 0640, 140 "acd%da", lun); 141 ptr->c_devfs_token = 142 devfs_add_devswf(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART), 143 DV_BLK, UID_ROOT, GID_OPERATOR, 0640, 144 "acd%dc", lun); 145 #endif 146 return ptr; 147 } 148 149 #ifndef ATAPI_STATIC 150 static 151 #endif 152 int 153 acdattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug) 154 { 155 struct acd *cdp; 156 struct atapires result; 157 struct changer *chp; 158 int i, count; 159 160 if (acdnlun >= NUNIT) { 161 printf("acd: too many units\n"); 162 return 0; 163 } 164 if (!atapi_request_immediate) { 165 printf("acd: configuration error, ATAPI code not present!\n"); 166 return 0; 167 } 168 if ((cdp = acd_init_lun(ata, unit, ap, acdnlun)) == NULL) { 169 printf("acd: out of memory\n"); 170 return 0; 171 } 172 acdtab[acdnlun] = cdp; 173 174 if (debug) { 175 cdp->flags |= F_DEBUG; 176 atapi_dump(cdp->ata->ctrlr, cdp->lun, "info", ap, sizeof(*ap)); 177 } 178 179 /* Get drive capabilities, some drives needs this repeated */ 180 for (count = 0 ; count < 5 ; count++) { 181 result = atapi_request_immediate(ata, unit, 182 ATAPI_MODE_SENSE, 183 0, ATAPI_CDROM_CAP_PAGE, 184 0, 0, 0, 0, 185 sizeof(cdp->cap)>>8, sizeof(cdp->cap), 186 0, 0, 0, 0, 0, 0, 0, 187 (char *)&cdp->cap, sizeof(cdp->cap)); 188 if (result.code == 0 || result.code == RES_UNDERRUN) 189 break; 190 } 191 192 /* Some drives have shorter capabilities page. */ 193 if (result.code == RES_UNDERRUN) 194 result.code = 0; 195 196 if (result.code == 0) { 197 cdp->cap.max_speed = ntohs(cdp->cap.max_speed); 198 cdp->cap.max_vol_levels = ntohs(cdp->cap.max_vol_levels); 199 cdp->cap.buf_size = ntohs(cdp->cap.buf_size); 200 cdp->cap.cur_speed = ntohs(cdp->cap.cur_speed); 201 acd_describe(cdp); 202 if (cdp->flags & F_DEBUG) 203 atapi_dump(cdp->ata->ctrlr, cdp->lun, "cap", &cdp->cap, 204 sizeof(cdp->cap)); 205 } 206 /* If this is a changer device, allocate the neeeded lun's */ 207 if (cdp->cap.mech == MST_MECH_CHANGER) { 208 chp = malloc(sizeof(struct changer), M_TEMP, M_NOWAIT); 209 if (chp == NULL) { 210 printf("acd: out of memory\n"); 211 return 0; 212 } 213 bzero(chp, sizeof(struct changer)); 214 result = atapi_request_immediate(ata, unit, ATAPI_MECH_STATUS, 215 0, 0, 0, 0, 0, 0, 0, 216 sizeof(struct changer)>>8, 217 sizeof(struct changer), 218 0, 0, 0, 0, 0, 0, 219 (char *)chp, sizeof(struct changer)); 220 if (cdp->flags & F_DEBUG) { 221 printf("result.code=%d curr=%02x slots=%d len=%d\n", 222 result.code, chp->current_slot, chp->slots, 223 htons(chp->table_length)); 224 } 225 if (result.code == RES_UNDERRUN) 226 result.code = 0; 227 228 if (result.code == 0) { 229 chp->table_length = htons(chp->table_length); 230 for (i = 0; i < chp->slots && acdnlun < NUNIT; i++) { 231 if (i > 0) { 232 cdp = acd_init_lun(ata, unit, ap, acdnlun); 233 if (cdp == NULL) { 234 printf("acd: out of memory\n"); 235 return 0; 236 } 237 } 238 cdp->slot = i; 239 cdp->changer_info = chp; 240 printf("acd%d: changer slot %d %s\n", acdnlun, i, 241 (chp->slot[i].present ? "disk present" : "no disk")); 242 acdtab[acdnlun++] = cdp; 243 } 244 if (acdnlun >= NUNIT) { 245 printf("acd: too many units\n"); 246 return 0; 247 } 248 } 249 } else 250 acdnlun++; 251 return 1; 252 } 253 254 void 255 acd_describe(struct acd *cdp) 256 { 257 int comma; 258 char *mechanism; 259 260 printf("acd%d: drive speed ", cdp->lun); 261 if (cdp->cap.cur_speed != cdp->cap.max_speed) 262 printf("%d - ", cdp->cap.cur_speed * 1000 / 1024); 263 printf("%dKB/sec", cdp->cap.max_speed * 1000 / 1024); 264 if (cdp->cap.buf_size) 265 printf(", %dKB cache\n", cdp->cap.buf_size); 266 267 printf("acd%d: supported read types:", cdp->lun); 268 comma = 0; 269 if (cdp->cap.read_cdr) { 270 printf(" CD-R"); comma = 1; 271 } 272 if (cdp->cap.read_cdrw) { 273 printf("%s CD-RW", comma ? "," : ""); comma = 1; 274 } 275 if (cdp->cap.cd_da) { 276 printf("%s CD-DA", comma ? "," : ""); comma = 1; 277 } 278 if (cdp->cap.method2) 279 printf("%s packet track", comma ? "," : ""); 280 if (cdp->cap.write_cdr || cdp->cap.write_cdrw) { 281 printf("\nacd%d: supported write types:", cdp->lun); 282 comma = 0; 283 if (cdp->cap.write_cdr) { 284 printf(" CD-R" ); comma = 1; 285 } 286 if (cdp->cap.write_cdrw) { 287 printf("%s CD-RW", comma ? "," : ""); comma = 1; 288 } 289 if (cdp->cap.test_write) { 290 printf("%s test write", comma ? "," : ""); comma = 1; 291 } 292 } 293 if (cdp->cap.audio_play) { 294 printf("\nacd%d: Audio: ", cdp->lun); 295 if (cdp->cap.audio_play) 296 printf("play"); 297 if (cdp->cap.max_vol_levels) 298 printf(", %d volume levels", cdp->cap.max_vol_levels); 299 } 300 printf("\nacd%d: Mechanism: ", cdp->lun); 301 switch (cdp->cap.mech) { 302 case MST_MECH_CADDY: 303 mechanism = "caddy"; break; 304 case MST_MECH_TRAY: 305 mechanism = "tray"; break; 306 case MST_MECH_POPUP: 307 mechanism = "popup"; break; 308 case MST_MECH_CHANGER: 309 mechanism = "changer"; break; 310 case MST_MECH_CARTRIDGE: 311 mechanism = "cartridge"; break; 312 default: 313 mechanism = 0; break; 314 } 315 if (mechanism) 316 printf("%s%s", cdp->cap.eject ? "ejectable " : "", mechanism); 317 else if (cdp->cap.eject) 318 printf("ejectable"); 319 320 if (cdp->cap.mech != MST_MECH_CHANGER) { 321 printf("\nacd%d: Medium: ", cdp->lun); 322 switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) { 323 case MST_CDROM: 324 printf("CD-ROM "); break; 325 case MST_CDR: 326 printf("CD-R "); break; 327 case MST_CDRW: 328 printf("CD-RW "); break; 329 case MST_DOOR_OPEN: 330 printf("door open"); break; 331 case MST_NO_DISC: 332 printf("no/blank disc inside"); break; 333 case MST_FMT_ERROR: 334 printf("medium format error"); break; 335 } 336 if ((cdp->cap.medium_type & MST_TYPE_MASK_HIGH) < MST_TYPE_MASK_HIGH) { 337 switch (cdp->cap.medium_type & MST_TYPE_MASK_LOW) { 338 case MST_DATA_120: 339 printf("120mm data disc loaded"); break; 340 case MST_AUDIO_120: 341 printf("120mm audio disc loaded"); break; 342 case MST_COMB_120: 343 printf("120mm data/audio disc loaded"); break; 344 case MST_PHOTO_120: 345 printf("120mm photo disc loaded"); break; 346 case MST_DATA_80: 347 printf("80mm data disc loaded"); break; 348 case MST_AUDIO_80: 349 printf("80mm audio disc loaded"); break; 350 case MST_COMB_80: 351 printf("80mm data/audio disc loaded"); break; 352 case MST_PHOTO_80: 353 printf("80mm photo disc loaded"); break; 354 case MST_FMT_NONE: 355 switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) { 356 case MST_CDROM: 357 printf("unknown medium"); break; 358 case MST_CDR: 359 case MST_CDRW: 360 printf("blank medium"); break; 361 } 362 break; 363 default: 364 printf("unknown type=0x%x", cdp->cap.medium_type); break; 365 } 366 } 367 } 368 if (cdp->cap.lock) 369 printf(cdp->cap.locked ? ", locked" : ", unlocked"); 370 if (cdp->cap.prevent) 371 printf(", lock protected"); 372 printf("\n"); 373 } 374 375 static int 376 acdopen(dev_t dev, int flags, int fmt, struct proc *p) 377 { 378 int lun = dkunit(dev); 379 struct acd *cdp; 380 381 if (lun >= acdnlun || !atapi_request_immediate) 382 return ENXIO; 383 cdp = acdtab[lun]; 384 385 if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) { 386 /* Prevent user eject */ 387 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 388 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 389 cdp->flags |= F_LOCKED; 390 } 391 if (fmt == S_IFBLK) 392 cdp->flags |= F_BOPEN; 393 else 394 ++cdp->refcnt; 395 396 if (!(flags & O_NONBLOCK) && acd_read_toc(cdp) && !(flags & FWRITE)) 397 printf("acd%d: read_toc failed\n", lun); 398 return 0; 399 } 400 401 int 402 acdclose(dev_t dev, int flags, int fmt, struct proc *p) 403 { 404 struct acd *cdp = acdtab[dkunit(dev)]; 405 406 if (fmt == S_IFBLK) 407 cdp->flags &= ~F_BOPEN; 408 else 409 --cdp->refcnt; 410 411 /* Are we the last open ?? */ 412 if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) { 413 /* Yup, do we need to close any written tracks */ 414 if ((flags & FWRITE) != 0) { 415 if ((cdp->flags & F_TRACK_PREPED) != 0) { 416 acd_close_track(cdp); 417 cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP); 418 } 419 } 420 /* Allow the user eject */ 421 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 422 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 423 } 424 cdp->flags &= ~F_LOCKED; 425 return 0; 426 } 427 428 static int 429 acdread(dev_t dev, struct uio *uio, int ioflag) 430 { 431 return physio(acdstrategy, NULL, dev, 1, minphys, uio); 432 } 433 434 static int 435 acdwrite(dev_t dev, struct uio *uio, int ioflag) 436 { 437 return physio(acdstrategy, NULL, dev, 0, minphys, uio); 438 } 439 440 void 441 acdstrategy(struct buf *bp) 442 { 443 int lun = dkunit(bp->b_dev); 444 struct acd *cdp = acdtab[lun]; 445 int x; 446 447 #ifdef NOTYET 448 /* allow write only on CD-R/RW media */ /* all for now SOS */ 449 if (!(bp->b_flags & B_READ) && !(writeable_media)) { 450 bp->b_error = EROFS; 451 bp->b_flags |= B_ERROR; 452 biodone(bp); 453 return; 454 } 455 #endif 456 457 if (bp->b_bcount == 0) { 458 bp->b_resid = 0; 459 biodone(bp); 460 return; 461 } 462 463 bp->b_pblkno = bp->b_blkno; 464 bp->b_resid = bp->b_bcount; 465 466 x = splbio(); 467 bufqdisksort(&cdp->buf_queue, bp); 468 acd_start(cdp); 469 splx(x); 470 } 471 472 static void 473 acd_start(struct acd *cdp) 474 { 475 struct buf *bp = bufq_first(&cdp->buf_queue); 476 u_long lba, blocks; 477 int cmd; 478 int count; 479 480 if (!bp) 481 return; 482 483 bufq_remove(&cdp->buf_queue, bp); 484 485 /* Should reject all queued entries if media have changed. */ 486 if (cdp->flags & F_MEDIA_CHANGED) { 487 bp->b_error = EIO; 488 bp->b_flags |= B_ERROR; 489 biodone(bp); 490 return; 491 } 492 acd_select_slot(cdp); 493 494 if ((bp->b_flags & B_READ) == B_WRITE) { 495 if ((cdp->flags & F_TRACK_PREPED) == 0) { 496 if ((cdp->flags & F_TRACK_PREP) == 0) { 497 printf("acd%d: sequence error\n", cdp->lun); 498 bp->b_error = EIO; 499 bp->b_flags |= B_ERROR; 500 biodone(bp); 501 return; 502 } else { 503 if (acd_open_track(cdp, &cdp->preptrack) != 0) { 504 biodone(bp); 505 return; 506 } 507 cdp->flags |= F_TRACK_PREPED; 508 } 509 } 510 } 511 512 if (bp->b_flags & B_READ) 513 #ifdef NOTYET 514 lba = bp->b_offset / cdp->block_size; 515 #else 516 lba = bp->b_blkno / (cdp->block_size / DEV_BSIZE); 517 #endif 518 else 519 lba = cdp->next_writeable_lba + (bp->b_offset / cdp->block_size); 520 blocks = (bp->b_bcount + (cdp->block_size - 1)) / cdp->block_size; 521 522 if ((bp->b_flags & B_READ) == B_WRITE) { 523 cmd = ATAPI_WRITE_BIG; 524 count = -bp->b_bcount; 525 } else { 526 cmd = ATAPI_READ_BIG; 527 count = bp->b_bcount; 528 } 529 530 atapi_request_callback(cdp->ata, cdp->unit, cmd, 0, 531 lba>>24, lba>>16, lba>>8, lba, 0, 532 blocks>>8, blocks, 0, 0, 0, 0, 0, 0, 0, 533 (u_char *)bp->b_data, count, 534 (atapi_callback_t *)acd_done, cdp, bp); 535 } 536 537 static void 538 acd_done(struct acd *cdp, struct buf *bp, int resid, struct atapires result) 539 { 540 if (result.code) { 541 atapi_error(cdp->ata, cdp->unit, result); 542 bp->b_error = EIO; 543 bp->b_flags |= B_ERROR; 544 } else { 545 bp->b_resid = resid; 546 if ((bp->b_flags & B_READ) == B_WRITE) 547 cdp->flags |= F_WRITTEN; 548 } 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 if (p->p_cred->pc_ucred->cr_uid) 642 return EPERM; 643 return acd_request_wait(cdp, ATAPI_TEST_UNIT_READY, 644 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 645 646 case CDIOCEJECT: 647 if ((cdp->flags & F_BOPEN) && cdp->refcnt) 648 return EBUSY; 649 return acd_eject(cdp, 0); 650 651 case CDIOCCLOSE: 652 if ((cdp->flags & F_BOPEN) && cdp->refcnt) 653 return 0; 654 return acd_eject(cdp, 1); 655 656 case CDIOREADTOCHEADER: 657 if (!cdp->toc.hdr.ending_track) 658 return EIO; 659 bcopy(&cdp->toc.hdr, addr, sizeof(cdp->toc.hdr)); 660 break; 661 662 case CDIOREADTOCENTRYS: 663 { 664 struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *)addr; 665 struct toc *toc = &cdp->toc; 666 struct toc buf; 667 u_long len; 668 u_char starting_track = te->starting_track; 669 670 if (!cdp->toc.hdr.ending_track) 671 return EIO; 672 673 if (te->data_len < sizeof(toc->tab[0]) || 674 (te->data_len % sizeof(toc->tab[0])) != 0 || 675 te->address_format != CD_MSF_FORMAT && 676 te->address_format != CD_LBA_FORMAT) 677 return EINVAL; 678 679 if (!starting_track) 680 starting_track = toc->hdr.starting_track; 681 else if (starting_track == 170) 682 starting_track = toc->hdr.ending_track + 1; 683 else if (starting_track < toc->hdr.starting_track || 684 starting_track > toc->hdr.ending_track + 1) 685 return EINVAL; 686 687 len = ((toc->hdr.ending_track + 1 - starting_track) + 1) * 688 sizeof(toc->tab[0]); 689 if (te->data_len < len) 690 len = te->data_len; 691 if (len > sizeof(toc->tab)) 692 return EINVAL; 693 694 if (te->address_format == CD_MSF_FORMAT) { 695 struct cd_toc_entry *entry; 696 697 buf = cdp->toc; 698 toc = &buf; 699 entry = toc->tab + (toc->hdr.ending_track + 1 - 700 toc->hdr.starting_track) + 1; 701 while (--entry >= toc->tab) 702 lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute, 703 &entry->addr.msf.second, &entry->addr.msf.frame); 704 } 705 return copyout(toc->tab + starting_track - toc->hdr.starting_track, 706 te->data, len); 707 } 708 709 case CDIOREADTOCENTRY: 710 { 711 struct ioc_read_toc_single_entry *te = 712 (struct ioc_read_toc_single_entry *)addr; 713 struct toc *toc = &cdp->toc; 714 struct toc buf; 715 u_char track = te->track; 716 717 if (!cdp->toc.hdr.ending_track) 718 return EIO; 719 720 if (te->address_format != CD_MSF_FORMAT && 721 te->address_format != CD_LBA_FORMAT) 722 return EINVAL; 723 724 if (!track) 725 track = toc->hdr.starting_track; 726 else if (track == 170) 727 track = toc->hdr.ending_track + 1; 728 else if (track < toc->hdr.starting_track || 729 track > toc->hdr.ending_track + 1) 730 return EINVAL; 731 732 if (te->address_format == CD_MSF_FORMAT) { 733 struct cd_toc_entry *entry; 734 735 buf = cdp->toc; 736 toc = &buf; 737 entry = toc->tab + (track - toc->hdr.starting_track); 738 lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute, 739 &entry->addr.msf.second, &entry->addr.msf.frame); 740 } 741 bcopy(toc->tab + track - toc->hdr.starting_track, 742 &te->entry, sizeof(struct cd_toc_entry)); 743 } 744 break; 745 746 case CDIOCREADSUBCHANNEL: 747 { 748 struct ioc_read_subchannel *args = 749 (struct ioc_read_subchannel *)addr; 750 struct cd_sub_channel_info data; 751 u_long len = args->data_len; 752 int abslba, rellba; 753 754 if (len > sizeof(data) || 755 len < sizeof(struct cd_sub_channel_header)) 756 return EINVAL; 757 758 if (acd_request_wait(cdp, ATAPI_READ_SUBCHANNEL, 759 0, 0x40, 1, 0, 0, 0, 760 sizeof(cdp->subchan)>>8, sizeof(cdp->subchan), 761 0, 762 (char *)&cdp->subchan, 763 sizeof(cdp->subchan)) != 0) 764 return EIO; 765 if (cdp->flags & F_DEBUG) 766 atapi_dump(cdp->ata->ctrlr, cdp->lun, "subchan", &cdp->subchan, 767 sizeof(cdp->subchan)); 768 769 abslba = cdp->subchan.abslba; 770 rellba = cdp->subchan.rellba; 771 if (args->address_format == CD_MSF_FORMAT) { 772 lba2msf(ntohl(abslba), 773 &data.what.position.absaddr.msf.minute, 774 &data.what.position.absaddr.msf.second, 775 &data.what.position.absaddr.msf.frame); 776 lba2msf(ntohl(rellba), 777 &data.what.position.reladdr.msf.minute, 778 &data.what.position.reladdr.msf.second, 779 &data.what.position.reladdr.msf.frame); 780 } else { 781 data.what.position.absaddr.lba = abslba; 782 data.what.position.reladdr.lba = rellba; 783 } 784 data.header.audio_status = cdp->subchan.audio_status; 785 data.what.position.control = cdp->subchan.control & 0xf; 786 data.what.position.addr_type = cdp->subchan.control >> 4; 787 data.what.position.track_number = cdp->subchan.track; 788 data.what.position.index_number = cdp->subchan.indx; 789 return copyout(&data, args->data, len); 790 } 791 792 case CDIOCPLAYMSF: 793 { 794 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 795 796 return acd_request_wait(cdp, ATAPI_PLAY_MSF, 0, 0, 797 args->start_m, args->start_s, args->start_f, 798 args->end_m, args->end_s, args->end_f, 799 0, 0, 0); 800 } 801 802 case CDIOCPLAYBLOCKS: 803 { 804 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 805 806 return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0, 807 args->blk>>24 & 0xff, args->blk>>16 & 0xff, 808 args->blk>>8 & 0xff, args->blk & 0xff, 809 args->len>>24 & 0xff, args->len>>16 & 0xff, 810 args->len>>8 & 0xff, args->len & 0xff, 811 0, 0); 812 } 813 814 case CDIOCPLAYTRACKS: 815 { 816 struct ioc_play_track *args = (struct ioc_play_track *)addr; 817 u_long start, len; 818 int t1, t2; 819 820 if (!cdp->toc.hdr.ending_track) 821 return EIO; 822 823 if (args->end_track < cdp->toc.hdr.ending_track + 1) 824 ++args->end_track; 825 if (args->end_track > cdp->toc.hdr.ending_track + 1) 826 args->end_track = cdp->toc.hdr.ending_track + 1; 827 t1 = args->start_track - cdp->toc.hdr.starting_track; 828 t2 = args->end_track - cdp->toc.hdr.starting_track; 829 if (t1 < 0 || t2 < 0) 830 return EINVAL; 831 start = ntohl(cdp->toc.tab[t1].addr.lba); 832 len = ntohl(cdp->toc.tab[t2].addr.lba) - start; 833 834 return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0, 835 start>>24 & 0xff, start>>16 & 0xff, 836 start>>8 & 0xff, start & 0xff, 837 len>>24 & 0xff, len>>16 & 0xff, 838 len>>8 & 0xff, len & 0xff, 0, 0); 839 } 840 841 case CDIOCREADAUDIO: 842 { 843 struct ioc_read_audio* args = (struct ioc_read_audio*) addr; 844 int lba, frames, result = 0; 845 u_char *buffer, *ubuf = args->buffer; 846 847 if (!cdp->toc.hdr.ending_track) 848 return EIO; 849 850 if ((frames = args->nframes) < 0) 851 return EINVAL; 852 853 if (args->address_format == CD_LBA_FORMAT) 854 lba = args->address.lba; 855 else if (args->address_format == CD_MSF_FORMAT) 856 lba = msf2lba(args->address.msf.minute, 857 args->address.msf.second, 858 args->address.msf.frame); 859 else 860 return EINVAL; 861 #ifndef CD_BUFFER_BLOCKS 862 #define CD_BUFFER_BLOCKS 8 863 #endif 864 if (!(buffer = malloc(CD_BUFFER_BLOCKS * 2352, M_TEMP, M_NOWAIT))) 865 return ENOMEM; 866 867 while (frames > 0) { 868 u_char blocks; 869 int size; 870 871 blocks = (frames>CD_BUFFER_BLOCKS) ? CD_BUFFER_BLOCKS : frames; 872 size = blocks * 2352; 873 874 result = acd_request_wait(cdp, ATAPI_READ_CD, 4, 875 lba>>24, (lba>>16)&0xff, 876 (lba>>8)&0xff, lba&0xff, 0, 0, 877 blocks, 0xf0, buffer, size); 878 if (result != 0) 879 break; 880 881 result = copyout(buffer, ubuf, size); 882 if (result != 0) 883 break; 884 885 ubuf += size; 886 frames -= blocks; 887 lba += blocks; 888 } 889 890 free(buffer, M_TEMP); 891 return result; 892 } 893 894 case CDIOCGETVOL: 895 { 896 struct ioc_vol *arg = (struct ioc_vol *)addr; 897 898 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 899 0, 0, 0, 0, 900 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 901 (char *)&cdp->au, sizeof(cdp->au)); 902 if (error) 903 return error; 904 if (cdp->flags & F_DEBUG) 905 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, 906 sizeof(cdp->au)); 907 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 908 return EIO; 909 arg->vol[0] = cdp->au.port[0].volume; 910 arg->vol[1] = cdp->au.port[1].volume; 911 arg->vol[2] = cdp->au.port[2].volume; 912 arg->vol[3] = cdp->au.port[3].volume; 913 } 914 break; 915 916 case CDIOCSETVOL: 917 { 918 struct ioc_vol *arg = (struct ioc_vol *)addr; 919 920 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 921 0, 0, 0, 0, 922 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 923 (char *)&cdp->au, sizeof(cdp->au)); 924 if (error) 925 return error; 926 if (cdp->flags & F_DEBUG) 927 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, 928 sizeof(cdp->au)); 929 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 930 return EIO; 931 932 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, 933 CDROM_AUDIO_PAGE_MASK, 0, 0, 0, 0, 934 sizeof(cdp->aumask)>>8,sizeof(cdp->aumask), 935 0, 936 (char *)&cdp->aumask, sizeof(cdp->aumask)); 937 if (error) 938 return error; 939 if (cdp->flags & F_DEBUG) 940 atapi_dump(cdp->ata->ctrlr, cdp->lun, "mask", &cdp->aumask, 941 sizeof(cdp->aumask)); 942 943 cdp->au.data_length = 0; 944 cdp->au.port[0].channels = CHANNEL_0; 945 cdp->au.port[1].channels = CHANNEL_1; 946 cdp->au.port[0].volume = arg->vol[0] & cdp->aumask.port[0].volume; 947 cdp->au.port[1].volume = arg->vol[1] & cdp->aumask.port[1].volume; 948 cdp->au.port[2].volume = arg->vol[2] & cdp->aumask.port[2].volume; 949 cdp->au.port[3].volume = arg->vol[3] & cdp->aumask.port[3].volume; 950 return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10, 951 0, 0, 0, 0, 0, 952 sizeof(cdp->au)>>8, sizeof(cdp->au), 953 0, (char *)&cdp->au, -sizeof(cdp->au)); 954 } 955 956 case CDIOCSETPATCH: 957 { 958 struct ioc_patch *arg = (struct ioc_patch *)addr; 959 960 return acd_setchan(cdp, arg->patch[0], arg->patch[1], 961 arg->patch[2], arg->patch[3]); 962 } 963 964 case CDIOCSETMONO: 965 return acd_setchan(cdp, CHANNEL_0|CHANNEL_1, CHANNEL_0|CHANNEL_1, 0, 0); 966 967 case CDIOCSETSTEREO: 968 return acd_setchan(cdp, CHANNEL_0, CHANNEL_1, 0, 0); 969 970 case CDIOCSETMUTE: 971 return acd_setchan(cdp, 0, 0, 0, 0); 972 973 case CDIOCSETLEFT: 974 return acd_setchan(cdp, CHANNEL_0, CHANNEL_0, 0, 0); 975 976 case CDIOCSETRIGHT: 977 return acd_setchan(cdp, CHANNEL_1, CHANNEL_1, 0, 0); 978 979 case CDRIOCNEXTWRITEABLEADDR: 980 { 981 struct acd_track_info track_info; 982 983 if ((error = acd_read_track_info(cdp, 0xff, &track_info))) 984 break; 985 if (!track_info.nwa_valid) 986 return EINVAL; 987 cdp->next_writeable_lba = track_info.next_writeable_addr; 988 *(int*)addr = track_info.next_writeable_addr; 989 } 990 break; 991 992 case WORMIOCPREPDISK: 993 { 994 struct wormio_prepare_disk *w = (struct wormio_prepare_disk *)addr; 995 996 if (w->dummy != 0 && w->dummy != 1) 997 error = EINVAL; 998 else { 999 error = acd_open_disk(cdp, w->dummy); 1000 if (error == 0) { 1001 cdp->flags |= F_DISK_PREPED; 1002 cdp->dummy = w->dummy; 1003 cdp->speed = w->speed; 1004 } 1005 } 1006 } 1007 break; 1008 1009 case WORMIOCPREPTRACK: 1010 { 1011 struct wormio_prepare_track *w =(struct wormio_prepare_track *)addr; 1012 1013 if (w->audio != 0 && w->audio != 1) 1014 error = EINVAL; 1015 else if (w->audio == 0 && w->preemp) 1016 error = EINVAL; 1017 else if ((cdp->flags & F_DISK_PREPED) == 0) { 1018 error = EINVAL; 1019 printf("acd%d: sequence error (PREP_TRACK)\n", cdp->lun); 1020 } else { 1021 cdp->flags |= F_TRACK_PREP; 1022 cdp->preptrack = *w; 1023 } 1024 } 1025 break; 1026 1027 case WORMIOCFINISHTRACK: 1028 if ((cdp->flags & F_TRACK_PREPED) != 0) 1029 error = acd_close_track(cdp); 1030 cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP); 1031 break; 1032 1033 case WORMIOCFIXATION: 1034 { 1035 struct wormio_fixation *w = 1036 (struct wormio_fixation *)addr; 1037 1038 if ((cdp->flags & F_WRITTEN) == 0) 1039 error = EINVAL; 1040 else if (w->toc_type < 0 /* WORM_TOC_TYPE_AUDIO */ || 1041 w->toc_type > 4 /* WORM_TOC_TYPE_CDI */ ) 1042 error = EINVAL; 1043 else if (w->onp != 0 && w->onp != 1) 1044 error = EINVAL; 1045 else { 1046 /* no fixation needed if dummy write */ 1047 if (cdp->dummy == 0) 1048 error = acd_close_disk(cdp); 1049 cdp->flags &= 1050 ~(F_WRITTEN|F_DISK_PREPED|F_TRACK_PREP|F_TRACK_PREPED); 1051 } 1052 } 1053 break; 1054 1055 case CDRIOCBLANK: 1056 return acd_blank_disk(cdp); 1057 1058 default: 1059 return ENOTTY; 1060 } 1061 return error; 1062 } 1063 1064 static int 1065 acd_read_toc(struct acd *cdp) 1066 { 1067 int ntracks, len; 1068 struct atapires result; 1069 1070 bzero(&cdp->toc, sizeof(cdp->toc)); 1071 bzero(&cdp->info, sizeof(cdp->info)); 1072 1073 acd_select_slot(cdp); 1074 1075 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY, 1076 0, 0, 0, 0, 0, 0, 0, 0, 1077 0, 0, 0, 0, 0, 0, 0, 0, 0); 1078 1079 if (result.code == RES_ERR && 1080 (result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION) { 1081 cdp->flags |= F_MEDIA_CHANGED; 1082 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1083 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY, 1084 0, 0, 0, 0, 0, 0, 0, 0, 1085 0, 0, 0, 0, 0, 0, 0, 0, 0); 1086 } 1087 1088 if (result.code) { 1089 atapi_error(cdp->ata, cdp->unit, result); 1090 return EIO; 1091 } 1092 1093 cdp->flags &= ~F_MEDIA_CHANGED; 1094 1095 len = sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry); 1096 if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0, 1097 len>>8, len & 0xff, 0, (char *)&cdp->toc, len) != 0) { 1098 bzero(&cdp->toc, sizeof(cdp->toc)); 1099 return 0; 1100 } 1101 ntracks = cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1; 1102 if (ntracks <= 0 || ntracks > MAXTRK) { 1103 bzero(&cdp->toc, sizeof(cdp->toc)); 1104 return 0; 1105 } 1106 1107 len = sizeof(struct ioc_toc_header) + ntracks * sizeof(struct cd_toc_entry); 1108 if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0, 1109 len>>8, len & 0xff, 0, (char *)&cdp->toc, len) & 0xff){ 1110 bzero(&cdp->toc, sizeof(cdp->toc)); 1111 return 0; 1112 } 1113 1114 cdp->toc.hdr.len = ntohs(cdp->toc.hdr.len); 1115 1116 if (acd_request_wait(cdp, ATAPI_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1117 (char *)&cdp->info, sizeof(cdp->info)) != 0) 1118 bzero(&cdp->info, sizeof(cdp->info)); 1119 1120 cdp->toc.tab[ntracks].control = cdp->toc.tab[ntracks - 1].control; 1121 cdp->toc.tab[ntracks].addr_type = cdp->toc.tab[ntracks - 1].addr_type; 1122 cdp->toc.tab[ntracks].track = 170; 1123 cdp->toc.tab[ntracks].addr.lba = cdp->info.volsize; 1124 1125 cdp->info.volsize = ntohl(cdp->info.volsize); 1126 cdp->info.blksize = ntohl(cdp->info.blksize); 1127 1128 if (cdp->info.volsize && cdp->toc.hdr.ending_track 1129 && (cdp->flags & F_DEBUG)) { 1130 printf("acd%d: ", cdp->lun); 1131 if (cdp->toc.tab[0].control & 4) 1132 printf("%ldMB ", cdp->info.volsize / 512); 1133 else 1134 printf("%ld:%ld audio ", cdp->info.volsize / 75 / 60, 1135 cdp->info.volsize / 75 % 60); 1136 printf("(%ld sectors (%ld bytes)), %d tracks\n", 1137 cdp->info.volsize, cdp->info.blksize, 1138 cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1); 1139 } 1140 return 0; 1141 } 1142 1143 /* 1144 * Set up the audio channel masks. 1145 */ 1146 static int 1147 acd_setchan(struct acd *cdp, u_char c0, u_char c1, u_char c2, u_char c3) 1148 { 1149 int error; 1150 1151 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 1152 0, 0, 0, 0, 1153 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 1154 (char *)&cdp->au, sizeof(cdp->au)); 1155 if (error) 1156 return error; 1157 if (cdp->flags & F_DEBUG) 1158 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, sizeof(cdp->au)); 1159 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 1160 return EIO; 1161 1162 cdp->au.data_length = 0; 1163 cdp->au.port[0].channels = c0; 1164 cdp->au.port[1].channels = c1; 1165 cdp->au.port[2].channels = c2; 1166 cdp->au.port[3].channels = c3; 1167 return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10, 1168 0, 0, 0, 0, 0, 1169 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 1170 (char *)&cdp->au, -sizeof(cdp->au)); 1171 } 1172 1173 static int 1174 acd_eject(struct acd *cdp, int close) 1175 { 1176 struct atapires result; 1177 1178 acd_select_slot(cdp); 1179 1180 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_START_STOP, 1, 1181 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1182 1183 if (result.code == RES_ERR && 1184 ((result.error & AER_SKEY) == AER_SK_NOT_READY || 1185 (result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION)) { 1186 int err; 1187 1188 if (!close) 1189 return 0; 1190 err = acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 3, 1191 0, 0, 0, 0, 0, 0, 0); 1192 if (err) 1193 return err; 1194 1195 acd_read_toc(cdp); 1196 1197 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1, 1198 0, 0, 0, 0, 0, 0, 0); 1199 cdp->flags |= F_LOCKED; 1200 return 0; 1201 } 1202 if (result.code) { 1203 atapi_error(cdp->ata, cdp->unit, result); 1204 return EIO; 1205 } 1206 if (close) 1207 return 0; 1208 1209 tsleep((caddr_t) &lbolt, PRIBIO, "acdej1", 0); 1210 tsleep((caddr_t) &lbolt, PRIBIO, "acdej2", 0); 1211 1212 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1213 cdp->flags &= ~F_LOCKED; 1214 1215 cdp->flags |= F_MEDIA_CHANGED; 1216 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1217 return acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 2, 1218 0, 0, 0, 0, 0, 0, 0); 1219 } 1220 1221 static void 1222 acd_select_slot(struct acd *cdp) 1223 { 1224 if (cdp->slot < 0 || cdp->changer_info->current_slot == cdp->slot) 1225 return; 1226 1227 /* Unlock (might not be needed but its cheaper than asking) */ 1228 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1229 1230 /* Unload the current media from player */ 1231 acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 2, 1232 0, 0, 0, cdp->changer_info->current_slot, 0, 0, 0); 1233 1234 /* load the wanted slot */ 1235 acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 3, 1236 0, 0, 0, cdp->slot, 0, 0, 0); 1237 1238 cdp->changer_info->current_slot = cdp->slot; 1239 1240 /* Lock the media if needed */ 1241 if (cdp->flags & F_LOCKED) { 1242 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1, 1243 0, 0, 0, 0, 0, 0, 0); 1244 } 1245 } 1246 1247 static int 1248 acd_open_disk(struct acd *cdp, int test) 1249 { 1250 cdp->next_writeable_lba = 0; 1251 return 0; 1252 } 1253 1254 static int 1255 acd_close_disk(struct acd *cdp) 1256 { 1257 return acd_request_wait(cdp, ATAPI_CLOSE_TRACK, 0x00, 1258 0x02, 0, 0, 0/*track*/, 0, 0, 0, 0, 0, 0); 1259 } 1260 1261 static int 1262 acd_open_track(struct acd *cdp, struct wormio_prepare_track *ptp) 1263 { 1264 struct write_param param; 1265 struct atapires result; 1266 1267 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SENSE, 1268 0, 0x05, 0, 0, 0, 0, 1269 sizeof(param)>>8, sizeof(param), 1270 0, 0, 0, 0, 0, 0, 0, 1271 (char *)¶m, sizeof(param)); 1272 1273 if (cdp->flags & F_DEBUG) 1274 atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", ¶m, sizeof(param)); 1275 1276 if (result.code == RES_UNDERRUN) 1277 result.code = 0; 1278 1279 if (result.code) { 1280 atapi_error(cdp->ata, cdp->unit, result); 1281 return EIO; 1282 } 1283 param.page_code = 0x05; 1284 param.page_length = 0x32; 1285 param.test_write = cdp->dummy ? 1 : 0; 1286 param.write_type = CDR_WTYPE_TRACK; 1287 1288 switch (ptp->audio) { 1289 /* switch (data_type) { */ 1290 1291 case 0: 1292 /* case CDR_DATA: */ 1293 cdp->block_size = 2048; 1294 param.track_mode = CDR_TMODE_DATA; 1295 param.data_block_type = CDR_DB_ROM_MODE1; 1296 param.session_format = CDR_SESS_CDROM; 1297 break; 1298 1299 default: 1300 /* case CDR_AUDIO: */ 1301 cdp->block_size = 2352; 1302 if (ptp->preemp) 1303 param.track_mode = CDR_TMODE_AUDIO; 1304 else 1305 param.track_mode = 0; 1306 param.data_block_type = CDR_DB_RAW; 1307 param.session_format = CDR_SESS_CDROM; 1308 break; 1309 1310 /* 1311 case CDR_MODE2: 1312 param.track_mode = CDR_TMODE_DATA; 1313 param.data_block_type = CDR_DB_ROM_MODE2; 1314 param.session_format = CDR_SESS_CDROM; 1315 break; 1316 1317 case CDR_XA1: 1318 param.track_mode = CDR_TMODE_DATA; 1319 param.data_block_type = CDR_DB_XA_MODE1; 1320 param.session_format = CDR_SESS_CDROM_XA; 1321 break; 1322 1323 case CDR_XA2: 1324 param.track_mode = CDR_TMODE_DATA; 1325 param.data_block_type = CDR_DB_XA_MODE2_F1; 1326 param.session_format = CDR_SESS_CDROM_XA; 1327 break; 1328 1329 case CDR_CDI: 1330 param.track_mode = CDR_TMODE_DATA; 1331 param.data_block_type = CDR_DB_XA_MODE2_F1; 1332 param.session_format = CDR_SESS_CDI; 1333 break; 1334 */ 1335 } 1336 1337 param.multi_session = CDR_MSES_NONE; 1338 param.fp = 0; 1339 param.packet_size = 0; 1340 1341 if (cdp->flags & F_DEBUG) 1342 atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", ¶m, sizeof(param)); 1343 1344 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SELECT, 1345 0x10, 0, 0, 0, 0, 0, 1346 sizeof(param)>>8, sizeof(param), 1347 0, 0, 0, 0, 0, 0, 0, 1348 (char *)¶m, -sizeof(param)); 1349 1350 if (result.code == RES_UNDERRUN) 1351 result.code = 0; 1352 1353 if (result.code) { 1354 atapi_error(cdp->ata, cdp->unit, result); 1355 return EIO; 1356 } 1357 return 0; 1358 } 1359 1360 static int 1361 acd_close_track(struct acd *cdp) 1362 { 1363 return acd_request_wait(cdp, ATAPI_SYNCHRONIZE_CACHE, 0, 1364 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1365 } 1366 1367 static int 1368 acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info) 1369 { 1370 int error; 1371 1372 error = acd_request_wait(cdp, ATAPI_READ_TRACK_INFO, 0x01, 1373 lba>>24, (lba>>16)&0xff, 1374 (lba>>8)&0xff, lba&0xff, 1375 0, 1376 sizeof(*info)>>8, sizeof(*info), 0, 1377 (char *)info, sizeof(*info)); 1378 if (error) 1379 return error; 1380 info->track_start_addr = ntohl(info->track_start_addr); 1381 info->next_writeable_addr = ntohl(info->next_writeable_addr); 1382 info->free_blocks = ntohl(info->free_blocks); 1383 info->fixed_packet_size = ntohl(info->fixed_packet_size); 1384 info->track_length = ntohl(info->track_length); 1385 return 0; 1386 } 1387 1388 static int 1389 acd_blank_disk(struct acd *cdp) 1390 { 1391 int error; 1392 1393 error = acd_request_wait(cdp, 0xa1, 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1394 cdp->flags |= F_MEDIA_CHANGED; 1395 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1396 return error; 1397 } 1398 1399 static void 1400 atapi_error(struct atapi *ata, int unit, struct atapires result) 1401 { 1402 if (result.code != RES_ERR) { 1403 printf("atapi%d:%d: ERROR %d, status=%b, error=%b\n", 1404 ata->ctrlr, unit, result.code, result.status, 1405 ARS_BITS, result.error, AER_BITS); 1406 return; 1407 } 1408 switch (result.error & AER_SKEY) { 1409 case AER_SK_NOT_READY: 1410 if (ata->debug) 1411 printf("atapi%d:%d: not ready\n", ata->ctrlr, unit); 1412 break; 1413 1414 case AER_SK_BLANK_CHECK: 1415 if (ata->debug) 1416 printf("atapi%d:%d: blank check\n", ata->ctrlr, unit); 1417 break; 1418 1419 case AER_SK_MEDIUM_ERROR: 1420 if (ata->debug) 1421 printf("atapi%d:%d: medium error\n", ata->ctrlr, unit); 1422 break; 1423 1424 case AER_SK_HARDWARE_ERROR: 1425 if (ata->debug) 1426 printf("atapi%d:%d: hardware error\n", ata->ctrlr, unit); 1427 break; 1428 1429 case AER_SK_ILLEGAL_REQUEST: 1430 if (ata->debug) 1431 printf("atapi%d:%d: illegal request\n", ata->ctrlr, unit); 1432 break; 1433 1434 case AER_SK_UNIT_ATTENTION: 1435 if (ata->debug) 1436 printf("atapi%d:%d: unit attention\n", ata->ctrlr, unit); 1437 break; 1438 1439 case AER_SK_DATA_PROTECT: 1440 if (ata->debug) 1441 printf("atapi%d:%d: reading protected data\n", ata->ctrlr, unit); 1442 break; 1443 1444 case AER_SK_ABORTED_COMMAND: 1445 if (ata->debug) 1446 printf("atapi%d:%d: command aborted\n", ata->ctrlr, unit); 1447 break; 1448 1449 case AER_SK_MISCOMPARE: 1450 if (ata->debug) 1451 printf("atapi%d:%d: data don't match medium\n", ata->ctrlr, unit); 1452 break; 1453 1454 default: 1455 if (ata->debug) 1456 printf("atapi%d:%d: unknown error, status=%b, error=%b\n", 1457 ata->ctrlr, unit, result.status, ARS_BITS, 1458 result.error, AER_BITS); 1459 } 1460 } 1461 1462 static void 1463 atapi_dump(int ctrlr, int lun, char *label, void *data, int len) 1464 { 1465 u_char *p = data; 1466 1467 printf ("atapi%d%d: %s %x", ctrlr, lun, label, *p++); 1468 while (--len > 0) printf ("-%x", *p++); 1469 printf ("\n"); 1470 } 1471 1472 #ifdef ACD_MODULE 1473 #include <sys/exec.h> 1474 #include <sys/sysent.h> 1475 #include <sys/lkm.h> 1476 1477 MOD_DEV(acd, LM_DT_BLOCK, BDEV_MAJOR, &acd_bdevsw); 1478 MOD_DEV(racd, LM_DT_CHAR, CDEV_MAJOR, &acd_cdevsw); 1479 1480 int 1481 acd_load(struct lkm_table *lkmtp, int cmd) 1482 { 1483 struct atapi *ata; 1484 int n, u; 1485 1486 if (!atapi_start) 1487 return EPROTONOSUPPORT; 1488 n = 0; 1489 for (ata = atapi_tab; ata < atapi_tab + 2; ++ata) 1490 if (ata->port) 1491 for (u = 0; u < 2; ++u) 1492 if (ata->params[u] && !ata->attached[u] && 1493 acdattach(ata, u, ata->params[u], 1494 ata->debug) >= 0) { 1495 ata->attached[u] = 1; 1496 ++n; 1497 } 1498 if (!n) 1499 return ENXIO; 1500 return 0; 1501 } 1502 1503 int 1504 acd_unload(struct lkm_table *lkmtp, int cmd) 1505 { 1506 struct acd **cdpp; 1507 1508 for (cdpp = acdtab; cdpp < acdtab + acdnlun; ++cdpp) 1509 if (((*cdpp)->flags & F_BOPEN) || (*cdpp)->refcnt) 1510 return EBUSY; 1511 for (cdpp = acdtab; cdpp < acdtab + acdnlun; ++t) { 1512 (*cdpp)->ata->attached[(*cdpp)->unit] = 0; 1513 free(*cdpp, M_TEMP); 1514 } 1515 acdnlun = 0; 1516 bzero(acdtab, sizeof(acdtab)); 1517 return 0; 1518 } 1519 1520 int 1521 acd_mod(struct lkm_table *lkmtp, int cmd, int ver) 1522 { 1523 int err = 0; 1524 1525 if (ver != LKM_VERSION) 1526 return EINVAL; 1527 1528 if (cmd == LKM_E_LOAD) 1529 err = acd_load(lkmtp, cmd); 1530 else if (cmd == LKM_E_UNLOAD) 1531 err = acd_unload(lkmtp, cmd); 1532 if (err) 1533 return err; 1534 1535 lkmtp->private.lkm_dev = &MOD_PRIVATE(racd); 1536 err = lkmdispatch(lkmtp, cmd); 1537 if (err) 1538 return err; 1539 1540 lkmtp->private.lkm_dev = &MOD_PRIVATE(acd); 1541 return lkmdispatch(lkmtp, cmd); 1542 } 1543 1544 #endif /* ACD_MODULE */ 1545 1546 static acd_devsw_installed = 0; 1547 1548 static void 1549 acd_drvinit(void *unused) 1550 { 1551 if (!acd_devsw_installed) { 1552 cdevsw_add_generic(BDEV_MAJOR, CDEV_MAJOR, &acd_cdevsw); 1553 acd_devsw_installed = 1; 1554 } 1555 } 1556 1557 SYSINIT(acddev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR, acd_drvinit, NULL) 1558 #endif /* NACD && NWDC && ATAPI */
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