Lines Matching refs:cd
231 struct pcd_unit *cd = bdev->bd_disk->private_data; in pcd_block_open() local
237 ret = cdrom_open(&cd->info, bdev, mode); in pcd_block_open()
245 struct pcd_unit *cd = disk->private_data; in pcd_block_release() local
247 cdrom_release(&cd->info, mode); in pcd_block_release()
254 struct pcd_unit *cd = bdev->bd_disk->private_data; in pcd_block_ioctl() local
258 ret = cdrom_ioctl(&cd->info, bdev, mode, cmd, arg); in pcd_block_ioctl()
267 struct pcd_unit *cd = disk->private_data; in pcd_block_check_events() local
268 return cdrom_check_events(&cd->info, clearing); in pcd_block_check_events()
305 struct pcd_unit *cd = cdi->handle; in pcd_open() local
306 if (!cd->present) in pcd_open()
315 static inline int status_reg(struct pcd_unit *cd) in status_reg() argument
317 return pi_read_regr(cd->pi, 1, 6); in status_reg()
320 static inline int read_reg(struct pcd_unit *cd, int reg) in read_reg() argument
322 return pi_read_regr(cd->pi, 0, reg); in read_reg()
325 static inline void write_reg(struct pcd_unit *cd, int reg, int val) in write_reg() argument
327 pi_write_regr(cd->pi, 0, reg, val); in write_reg()
330 static int pcd_wait(struct pcd_unit *cd, int go, int stop, char *fun, char *msg) in pcd_wait() argument
335 while ((((r = status_reg(cd)) & go) || (stop && (!(r & stop)))) in pcd_wait()
340 s = read_reg(cd, 7); in pcd_wait()
341 e = read_reg(cd, 1); in pcd_wait()
342 p = read_reg(cd, 2); in pcd_wait()
348 cd->name, fun, msg, r, s, e, j, p); in pcd_wait()
354 static int pcd_command(struct pcd_unit *cd, char *cmd, int dlen, char *fun) in pcd_command() argument
356 pi_connect(cd->pi); in pcd_command()
358 write_reg(cd, 6, 0xa0 + 0x10 * cd->drive); in pcd_command()
360 if (pcd_wait(cd, IDE_BUSY | IDE_DRQ, 0, fun, "before command")) { in pcd_command()
361 pi_disconnect(cd->pi); in pcd_command()
365 write_reg(cd, 4, dlen % 256); in pcd_command()
366 write_reg(cd, 5, dlen / 256); in pcd_command()
367 write_reg(cd, 7, 0xa0); /* ATAPI packet command */ in pcd_command()
369 if (pcd_wait(cd, IDE_BUSY, IDE_DRQ, fun, "command DRQ")) { in pcd_command()
370 pi_disconnect(cd->pi); in pcd_command()
374 if (read_reg(cd, 2) != 1) { in pcd_command()
375 printk("%s: %s: command phase error\n", cd->name, fun); in pcd_command()
376 pi_disconnect(cd->pi); in pcd_command()
380 pi_write_block(cd->pi, cmd, 12); in pcd_command()
385 static int pcd_completion(struct pcd_unit *cd, char *buf, char *fun) in pcd_completion() argument
393 if (!pcd_wait(cd, IDE_BUSY, IDE_DRQ | IDE_READY | IDE_ERR, in pcd_completion()
396 while (read_reg(cd, 7) & IDE_DRQ) { in pcd_completion()
397 d = read_reg(cd, 4) + 256 * read_reg(cd, 5); in pcd_completion()
399 p = read_reg(cd, 2) & 3; in pcd_completion()
402 pi_read_block(cd->pi, buf, n); in pcd_completion()
405 cd->name, fun, n); in pcd_completion()
412 cd->name, fun, p, d, k); in pcd_completion()
416 cd->name); in pcd_completion()
420 printk("%s: Stuck DRQ\n", cd->name); in pcd_completion()
424 (cd, IDE_BUSY, IDE_DRQ | IDE_READY | IDE_ERR, fun, in pcd_completion()
432 pi_disconnect(cd->pi); in pcd_completion()
437 static void pcd_req_sense(struct pcd_unit *cd, char *fun) in pcd_req_sense() argument
443 r = pcd_command(cd, rs_cmd, 16, "Request sense"); in pcd_req_sense()
446 pcd_completion(cd, buf, "Request sense"); in pcd_req_sense()
448 cd->last_sense = -1; in pcd_req_sense()
453 cd->name, fun, buf[2] & 0xf, buf[12], buf[13]); in pcd_req_sense()
455 cd->last_sense = in pcd_req_sense()
459 cd->changed = 1; in pcd_req_sense()
462 static int pcd_atapi(struct pcd_unit *cd, char *cmd, int dlen, char *buf, char *fun) in pcd_atapi() argument
466 r = pcd_command(cd, cmd, dlen, fun); in pcd_atapi()
469 r = pcd_completion(cd, buf, fun); in pcd_atapi()
471 pcd_req_sense(cd, fun); in pcd_atapi()
487 struct pcd_unit *cd = cdi->handle; in pcd_check_events() local
488 int res = cd->changed; in pcd_check_events()
490 cd->changed = 0; in pcd_check_events()
515 static int pcd_reset(struct pcd_unit *cd) in pcd_reset() argument
520 pi_connect(cd->pi); in pcd_reset()
521 write_reg(cd, 6, 0xa0 + 0x10 * cd->drive); in pcd_reset()
522 write_reg(cd, 7, 8); in pcd_reset()
527 while ((k++ < PCD_RESET_TMO) && (status_reg(cd) & IDE_BUSY)) in pcd_reset()
532 flg &= (read_reg(cd, i + 1) == expect[i]); in pcd_reset()
535 printk("%s: Reset (%d) signature = ", cd->name, k); in pcd_reset()
537 printk("%3x", read_reg(cd, i + 1)); in pcd_reset()
543 pi_disconnect(cd->pi); in pcd_reset()
552 static int pcd_ready_wait(struct pcd_unit *cd, int tmo) in pcd_ready_wait() argument
559 cd->last_sense = 0; in pcd_ready_wait()
560 pcd_atapi(cd, tr_cmd, 0, NULL, DBMSG("test unit ready")); in pcd_ready_wait()
561 p = cd->last_sense; in pcd_ready_wait()
575 struct pcd_unit *cd = cdi->handle; in pcd_drive_status() local
577 if (pcd_ready_wait(cd, PCD_READY_TMO)) in pcd_drive_status()
579 if (pcd_atapi(cd, rc_cmd, 8, pcd_scratch, DBMSG("check media"))) in pcd_drive_status()
584 static int pcd_identify(struct pcd_unit *cd) in pcd_identify() argument
592 s = pcd_atapi(cd, id_cmd, 36, pcd_buffer, "identify"); in pcd_identify()
599 cd->name, cd->drive ? "Slave" : "Master"); in pcd_identify()
610 printk("%s: %s: %s\n", cd->name, cd->drive ? "Slave" : "Master", id); in pcd_identify()
618 static int pcd_probe(struct pcd_unit *cd, int ms) in pcd_probe() argument
621 for (cd->drive = 0; cd->drive <= 1; cd->drive++) in pcd_probe()
622 if (!pcd_reset(cd) && !pcd_identify(cd)) in pcd_probe()
625 cd->drive = ms; in pcd_probe()
626 if (!pcd_reset(cd) && !pcd_identify(cd)) in pcd_probe()
632 static int pcd_probe_capabilities(struct pcd_unit *cd) in pcd_probe_capabilities() argument
638 ret = pcd_atapi(cd, cmd, 18, buffer, "mode sense capabilities"); in pcd_probe_capabilities()
644 cd->info.mask |= CDC_CD_R; in pcd_probe_capabilities()
646 cd->info.mask |= CDC_CD_RW; in pcd_probe_capabilities()
648 cd->info.mask |= CDC_PLAY_AUDIO; in pcd_probe_capabilities()
650 cd->info.mask |= CDC_LOCK; in pcd_probe_capabilities()
652 cd->info.mask |= CDC_OPEN_TRAY; in pcd_probe_capabilities()
654 cd->info.mask |= CDC_CLOSE_TRAY; in pcd_probe_capabilities()
664 struct pcd_unit *cd; in set_next_request() local
668 cd = &pcd[pcd_queue]; in set_next_request()
671 if (cd->present && !list_empty(&cd->rq_list)) { in set_next_request()
672 pcd_req = list_first_entry(&cd->rq_list, struct request, in set_next_request()
685 struct pcd_unit *cd; in pcd_request() local
693 cd = pcd_req->rq_disk->private_data; in pcd_request()
694 if (cd != pcd_current) in pcd_request()
696 pcd_current = cd; in pcd_request()
707 struct pcd_unit *cd = hctx->queue->queuedata; in pcd_queue_rq() local
715 list_add_tail(&bd->rq->queuelist, &cd->rq_list); in pcd_queue_rq()
815 struct pcd_unit *cd = cdi->handle; in pcd_audio_ioctl() local
830 r = pcd_atapi(cd, cmd, 12, buffer, "read toc header"); in pcd_audio_ioctl()
854 r = pcd_atapi(cd, cmd, 12, buffer, "read toc entry"); in pcd_audio_ioctl()
893 static int pcd_init_unit(struct pcd_unit *cd, bool autoprobe, int port, in pcd_init_unit() argument
899 ret = blk_mq_alloc_sq_tag_set(&cd->tag_set, &pcd_mq_ops, 1, in pcd_init_unit()
904 disk = blk_mq_alloc_disk(&cd->tag_set, cd); in pcd_init_unit()
910 INIT_LIST_HEAD(&cd->rq_list); in pcd_init_unit()
912 cd->disk = disk; in pcd_init_unit()
913 cd->pi = &cd->pia; in pcd_init_unit()
914 cd->present = 0; in pcd_init_unit()
915 cd->last_sense = 0; in pcd_init_unit()
916 cd->changed = 1; in pcd_init_unit()
917 cd->drive = (*drives[cd - pcd])[D_SLV]; in pcd_init_unit()
919 cd->name = &cd->info.name[0]; in pcd_init_unit()
920 snprintf(cd->name, sizeof(cd->info.name), "%s%d", name, unit); in pcd_init_unit()
921 cd->info.ops = &pcd_dops; in pcd_init_unit()
922 cd->info.handle = cd; in pcd_init_unit()
923 cd->info.speed = 0; in pcd_init_unit()
924 cd->info.capacity = 1; in pcd_init_unit()
925 cd->info.mask = 0; in pcd_init_unit()
929 strcpy(disk->disk_name, cd->name); /* umm... */ in pcd_init_unit()
934 if (!pi_init(cd->pi, autoprobe, port, mode, unit, protocol, delay, in pcd_init_unit()
935 pcd_buffer, PI_PCD, verbose, cd->name)) { in pcd_init_unit()
939 ret = pcd_probe(cd, ms); in pcd_init_unit()
943 cd->present = 1; in pcd_init_unit()
944 pcd_probe_capabilities(cd); in pcd_init_unit()
945 ret = register_cdrom(cd->disk, &cd->info); in pcd_init_unit()
948 ret = add_disk(cd->disk); in pcd_init_unit()
954 unregister_cdrom(&cd->info); in pcd_init_unit()
956 pi_release(cd->pi); in pcd_init_unit()
958 blk_cleanup_disk(cd->disk); in pcd_init_unit()
960 blk_mq_free_tag_set(&cd->tag_set); in pcd_init_unit()
993 struct pcd_unit *cd = &pcd[unit]; in pcd_init() local
998 if (!pcd_init_unit(cd, 0, conf[D_PRT], conf[D_MOD], in pcd_init()
1021 struct pcd_unit *cd; in pcd_exit() local
1024 for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) { in pcd_exit()
1025 if (!cd->present) in pcd_exit()
1028 unregister_cdrom(&cd->info); in pcd_exit()
1029 del_gendisk(cd->disk); in pcd_exit()
1030 pi_release(cd->pi); in pcd_exit()
1031 blk_cleanup_disk(cd->disk); in pcd_exit()
1033 blk_mq_free_tag_set(&cd->tag_set); in pcd_exit()