Lines Matching refs:cd
229 struct pcd_unit *cd = bdev->bd_disk->private_data; in pcd_block_open() local
233 ret = cdrom_open(&cd->info, bdev, mode); in pcd_block_open()
241 struct pcd_unit *cd = disk->private_data; in pcd_block_release() local
243 cdrom_release(&cd->info, mode); in pcd_block_release()
250 struct pcd_unit *cd = bdev->bd_disk->private_data; in pcd_block_ioctl() local
254 ret = cdrom_ioctl(&cd->info, bdev, mode, cmd, arg); in pcd_block_ioctl()
263 struct pcd_unit *cd = disk->private_data; in pcd_block_check_events() local
264 return cdrom_check_events(&cd->info, clearing); in pcd_block_check_events()
294 struct pcd_unit *cd; in pcd_init_units() local
298 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { in pcd_init_units()
302 cd->disk = disk; in pcd_init_units()
303 cd->pi = &cd->pia; in pcd_init_units()
304 cd->present = 0; in pcd_init_units()
305 cd->last_sense = 0; in pcd_init_units()
306 cd->changed = 1; in pcd_init_units()
307 cd->drive = (*drives[unit])[D_SLV]; in pcd_init_units()
311 cd->name = &cd->info.name[0]; in pcd_init_units()
312 snprintf(cd->name, sizeof(cd->info.name), "%s%d", name, unit); in pcd_init_units()
313 cd->info.ops = &pcd_dops; in pcd_init_units()
314 cd->info.handle = cd; in pcd_init_units()
315 cd->info.speed = 0; in pcd_init_units()
316 cd->info.capacity = 1; in pcd_init_units()
317 cd->info.mask = 0; in pcd_init_units()
320 strcpy(disk->disk_name, cd->name); /* umm... */ in pcd_init_units()
328 struct pcd_unit *cd = cdi->handle; in pcd_open() local
329 if (!cd->present) in pcd_open()
338 static inline int status_reg(struct pcd_unit *cd) in status_reg() argument
340 return pi_read_regr(cd->pi, 1, 6); in status_reg()
343 static inline int read_reg(struct pcd_unit *cd, int reg) in read_reg() argument
345 return pi_read_regr(cd->pi, 0, reg); in read_reg()
348 static inline void write_reg(struct pcd_unit *cd, int reg, int val) in write_reg() argument
350 pi_write_regr(cd->pi, 0, reg, val); in write_reg()
353 static int pcd_wait(struct pcd_unit *cd, int go, int stop, char *fun, char *msg) in pcd_wait() argument
358 while ((((r = status_reg(cd)) & go) || (stop && (!(r & stop)))) in pcd_wait()
363 s = read_reg(cd, 7); in pcd_wait()
364 e = read_reg(cd, 1); in pcd_wait()
365 p = read_reg(cd, 2); in pcd_wait()
371 cd->name, fun, msg, r, s, e, j, p); in pcd_wait()
377 static int pcd_command(struct pcd_unit *cd, char *cmd, int dlen, char *fun) in pcd_command() argument
379 pi_connect(cd->pi); in pcd_command()
381 write_reg(cd, 6, 0xa0 + 0x10 * cd->drive); in pcd_command()
383 if (pcd_wait(cd, IDE_BUSY | IDE_DRQ, 0, fun, "before command")) { in pcd_command()
384 pi_disconnect(cd->pi); in pcd_command()
388 write_reg(cd, 4, dlen % 256); in pcd_command()
389 write_reg(cd, 5, dlen / 256); in pcd_command()
390 write_reg(cd, 7, 0xa0); /* ATAPI packet command */ in pcd_command()
392 if (pcd_wait(cd, IDE_BUSY, IDE_DRQ, fun, "command DRQ")) { in pcd_command()
393 pi_disconnect(cd->pi); in pcd_command()
397 if (read_reg(cd, 2) != 1) { in pcd_command()
398 printk("%s: %s: command phase error\n", cd->name, fun); in pcd_command()
399 pi_disconnect(cd->pi); in pcd_command()
403 pi_write_block(cd->pi, cmd, 12); in pcd_command()
408 static int pcd_completion(struct pcd_unit *cd, char *buf, char *fun) in pcd_completion() argument
416 if (!pcd_wait(cd, IDE_BUSY, IDE_DRQ | IDE_READY | IDE_ERR, in pcd_completion()
419 while (read_reg(cd, 7) & IDE_DRQ) { in pcd_completion()
420 d = read_reg(cd, 4) + 256 * read_reg(cd, 5); in pcd_completion()
422 p = read_reg(cd, 2) & 3; in pcd_completion()
425 pi_read_block(cd->pi, buf, n); in pcd_completion()
428 cd->name, fun, n); in pcd_completion()
435 cd->name, fun, p, d, k); in pcd_completion()
439 cd->name); in pcd_completion()
443 printk("%s: Stuck DRQ\n", cd->name); in pcd_completion()
447 (cd, IDE_BUSY, IDE_DRQ | IDE_READY | IDE_ERR, fun, in pcd_completion()
455 pi_disconnect(cd->pi); in pcd_completion()
460 static void pcd_req_sense(struct pcd_unit *cd, char *fun) in pcd_req_sense() argument
466 r = pcd_command(cd, rs_cmd, 16, "Request sense"); in pcd_req_sense()
469 pcd_completion(cd, buf, "Request sense"); in pcd_req_sense()
471 cd->last_sense = -1; in pcd_req_sense()
476 cd->name, fun, buf[2] & 0xf, buf[12], buf[13]); in pcd_req_sense()
478 cd->last_sense = in pcd_req_sense()
482 cd->changed = 1; in pcd_req_sense()
485 static int pcd_atapi(struct pcd_unit *cd, char *cmd, int dlen, char *buf, char *fun) in pcd_atapi() argument
489 r = pcd_command(cd, cmd, dlen, fun); in pcd_atapi()
492 r = pcd_completion(cd, buf, fun); in pcd_atapi()
494 pcd_req_sense(cd, fun); in pcd_atapi()
510 struct pcd_unit *cd = cdi->handle; in pcd_check_events() local
511 int res = cd->changed; in pcd_check_events()
513 cd->changed = 0; in pcd_check_events()
538 static int pcd_reset(struct pcd_unit *cd) in pcd_reset() argument
543 pi_connect(cd->pi); in pcd_reset()
544 write_reg(cd, 6, 0xa0 + 0x10 * cd->drive); in pcd_reset()
545 write_reg(cd, 7, 8); in pcd_reset()
550 while ((k++ < PCD_RESET_TMO) && (status_reg(cd) & IDE_BUSY)) in pcd_reset()
555 flg &= (read_reg(cd, i + 1) == expect[i]); in pcd_reset()
558 printk("%s: Reset (%d) signature = ", cd->name, k); in pcd_reset()
560 printk("%3x", read_reg(cd, i + 1)); in pcd_reset()
566 pi_disconnect(cd->pi); in pcd_reset()
575 static int pcd_ready_wait(struct pcd_unit *cd, int tmo) in pcd_ready_wait() argument
582 cd->last_sense = 0; in pcd_ready_wait()
583 pcd_atapi(cd, tr_cmd, 0, NULL, DBMSG("test unit ready")); in pcd_ready_wait()
584 p = cd->last_sense; in pcd_ready_wait()
598 struct pcd_unit *cd = cdi->handle; in pcd_drive_status() local
600 if (pcd_ready_wait(cd, PCD_READY_TMO)) in pcd_drive_status()
602 if (pcd_atapi(cd, rc_cmd, 8, pcd_scratch, DBMSG("check media"))) in pcd_drive_status()
607 static int pcd_identify(struct pcd_unit *cd, char *id) in pcd_identify() argument
614 s = pcd_atapi(cd, id_cmd, 36, pcd_buffer, "identify"); in pcd_identify()
621 cd->name, cd->drive ? "Slave" : "Master"); in pcd_identify()
632 printk("%s: %s: %s\n", cd->name, cd->drive ? "Slave" : "Master", id); in pcd_identify()
641 static int pcd_probe(struct pcd_unit *cd, int ms, char *id) in pcd_probe() argument
644 for (cd->drive = 0; cd->drive <= 1; cd->drive++) in pcd_probe()
645 if (!pcd_reset(cd) && !pcd_identify(cd, id)) in pcd_probe()
648 cd->drive = ms; in pcd_probe()
649 if (!pcd_reset(cd) && !pcd_identify(cd, id)) in pcd_probe()
660 struct pcd_unit *cd; in pcd_probe_capabilities() local
662 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { in pcd_probe_capabilities()
663 if (!cd->present) in pcd_probe_capabilities()
665 r = pcd_atapi(cd, cmd, 18, buffer, "mode sense capabilities"); in pcd_probe_capabilities()
670 cd->info.mask |= CDC_CD_R; in pcd_probe_capabilities()
672 cd->info.mask |= CDC_CD_RW; in pcd_probe_capabilities()
674 cd->info.mask |= CDC_PLAY_AUDIO; in pcd_probe_capabilities()
676 cd->info.mask |= CDC_LOCK; in pcd_probe_capabilities()
678 cd->info.mask |= CDC_OPEN_TRAY; in pcd_probe_capabilities()
680 cd->info.mask |= CDC_CLOSE_TRAY; in pcd_probe_capabilities()
688 struct pcd_unit *cd; in pcd_detect() local
695 cd = pcd; in pcd_detect()
696 if (pi_init(cd->pi, 1, -1, -1, -1, -1, -1, pcd_buffer, in pcd_detect()
697 PI_PCD, verbose, cd->name)) { in pcd_detect()
698 if (!pcd_probe(cd, -1, id) && cd->disk) { in pcd_detect()
699 cd->present = 1; in pcd_detect()
702 pi_release(cd->pi); in pcd_detect()
705 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { in pcd_detect()
709 if (!pi_init(cd->pi, 0, conf[D_PRT], conf[D_MOD], in pcd_detect()
711 pcd_buffer, PI_PCD, verbose, cd->name)) in pcd_detect()
713 if (!pcd_probe(cd, conf[D_SLV], id) && cd->disk) { in pcd_detect()
714 cd->present = 1; in pcd_detect()
717 pi_release(cd->pi); in pcd_detect()
724 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) in pcd_detect()
725 put_disk(cd->disk); in pcd_detect()
744 struct pcd_unit *cd = pcd_req->rq_disk->private_data; in do_pcd_request() local
745 if (cd != pcd_current) in do_pcd_request()
747 pcd_current = cd; in do_pcd_request()
852 struct pcd_unit *cd = cdi->handle; in pcd_audio_ioctl() local
867 r = pcd_atapi(cd, cmd, 12, buffer, "read toc header"); in pcd_audio_ioctl()
891 r = pcd_atapi(cd, cmd, 12, buffer, "read toc entry"); in pcd_audio_ioctl()
932 struct pcd_unit *cd; in pcd_init() local
947 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) in pcd_init()
948 put_disk(cd->disk); in pcd_init()
955 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) in pcd_init()
956 put_disk(cd->disk); in pcd_init()
960 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { in pcd_init()
961 if (cd->present) { in pcd_init()
962 register_cdrom(&cd->info); in pcd_init()
963 cd->disk->private_data = cd; in pcd_init()
964 cd->disk->queue = pcd_queue; in pcd_init()
965 add_disk(cd->disk); in pcd_init()
974 struct pcd_unit *cd; in pcd_exit() local
977 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { in pcd_exit()
978 if (cd->present) { in pcd_exit()
979 del_gendisk(cd->disk); in pcd_exit()
980 pi_release(cd->pi); in pcd_exit()
981 unregister_cdrom(&cd->info); in pcd_exit()
983 put_disk(cd->disk); in pcd_exit()