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19#include "ctdaio.h"
20#include "cthardware.h"
21#include "ctimap.h"
22#include <linux/slab.h>
23#include <linux/kernel.h>
24
25#define DAIO_RESOURCE_NUM NUM_DAIOTYP
26#define DAIO_OUT_MAX SPDIFOO
27
28union daio_usage {
29 struct {
30 unsigned short lineo1:1;
31 unsigned short lineo2:1;
32 unsigned short lineo3:1;
33 unsigned short lineo4:1;
34 unsigned short spdifoo:1;
35 unsigned short lineim:1;
36 unsigned short spdifio:1;
37 unsigned short spdifi1:1;
38 } bf;
39 unsigned short data;
40};
41
42struct daio_rsc_idx {
43 unsigned short left;
44 unsigned short right;
45};
46
47struct daio_rsc_idx idx_20k1[NUM_DAIOTYP] = {
48 [LINEO1] = {.left = 0x00, .right = 0x01},
49 [LINEO2] = {.left = 0x18, .right = 0x19},
50 [LINEO3] = {.left = 0x08, .right = 0x09},
51 [LINEO4] = {.left = 0x10, .right = 0x11},
52 [LINEIM] = {.left = 0x1b5, .right = 0x1bd},
53 [SPDIFOO] = {.left = 0x20, .right = 0x21},
54 [SPDIFIO] = {.left = 0x15, .right = 0x1d},
55 [SPDIFI1] = {.left = 0x95, .right = 0x9d},
56};
57
58struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = {
59 [LINEO1] = {.left = 0x40, .right = 0x41},
60 [LINEO2] = {.left = 0x60, .right = 0x61},
61 [LINEO3] = {.left = 0x50, .right = 0x51},
62 [LINEO4] = {.left = 0x70, .right = 0x71},
63 [LINEIM] = {.left = 0x45, .right = 0xc5},
64 [SPDIFOO] = {.left = 0x00, .right = 0x01},
65 [SPDIFIO] = {.left = 0x05, .right = 0x85},
66};
67
68static int daio_master(struct rsc *rsc)
69{
70
71
72
73 return rsc->conj = rsc->idx;
74}
75
76static int daio_index(const struct rsc *rsc)
77{
78 return rsc->conj;
79}
80
81static int daio_out_next_conj(struct rsc *rsc)
82{
83 return rsc->conj += 2;
84}
85
86static int daio_in_next_conj_20k1(struct rsc *rsc)
87{
88 return rsc->conj += 0x200;
89}
90
91static int daio_in_next_conj_20k2(struct rsc *rsc)
92{
93 return rsc->conj += 0x100;
94}
95
96static struct rsc_ops daio_out_rsc_ops = {
97 .master = daio_master,
98 .next_conj = daio_out_next_conj,
99 .index = daio_index,
100 .output_slot = NULL,
101};
102
103static struct rsc_ops daio_in_rsc_ops_20k1 = {
104 .master = daio_master,
105 .next_conj = daio_in_next_conj_20k1,
106 .index = NULL,
107 .output_slot = daio_index,
108};
109
110static struct rsc_ops daio_in_rsc_ops_20k2 = {
111 .master = daio_master,
112 .next_conj = daio_in_next_conj_20k2,
113 .index = NULL,
114 .output_slot = daio_index,
115};
116
117static unsigned int daio_device_index(enum DAIOTYP type, struct hw *hw)
118{
119 switch (hw->chip_type) {
120 case ATC20K1:
121 switch (type) {
122 case SPDIFOO: return 0;
123 case SPDIFIO: return 0;
124 case SPDIFI1: return 1;
125 case LINEO1: return 4;
126 case LINEO2: return 7;
127 case LINEO3: return 5;
128 case LINEO4: return 6;
129 case LINEIM: return 7;
130 default: return -EINVAL;
131 }
132 case ATC20K2:
133 switch (type) {
134 case SPDIFOO: return 0;
135 case SPDIFIO: return 0;
136 case LINEO1: return 4;
137 case LINEO2: return 7;
138 case LINEO3: return 5;
139 case LINEO4: return 6;
140 case LINEIM: return 4;
141 default: return -EINVAL;
142 }
143 default:
144 return -EINVAL;
145 }
146}
147
148static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc);
149
150static int dao_spdif_get_spos(struct dao *dao, unsigned int *spos)
151{
152 ((struct hw *)dao->hw)->dao_get_spos(dao->ctrl_blk, spos);
153 return 0;
154}
155
156static int dao_spdif_set_spos(struct dao *dao, unsigned int spos)
157{
158 ((struct hw *)dao->hw)->dao_set_spos(dao->ctrl_blk, spos);
159 return 0;
160}
161
162static int dao_commit_write(struct dao *dao)
163{
164 ((struct hw *)dao->hw)->dao_commit_write(dao->hw,
165 daio_device_index(dao->daio.type, dao->hw), dao->ctrl_blk);
166 return 0;
167}
168
169static int dao_set_left_input(struct dao *dao, struct rsc *input)
170{
171 struct imapper *entry;
172 struct daio *daio = &dao->daio;
173 int i;
174
175 entry = kzalloc((sizeof(*entry) * daio->rscl.msr), GFP_KERNEL);
176 if (!entry)
177 return -ENOMEM;
178
179
180 input->ops->master(input);
181 daio->rscl.ops->master(&daio->rscl);
182 for (i = 0; i < daio->rscl.msr; i++, entry++) {
183 entry->slot = input->ops->output_slot(input);
184 entry->user = entry->addr = daio->rscl.ops->index(&daio->rscl);
185 dao->mgr->imap_add(dao->mgr, entry);
186 dao->imappers[i] = entry;
187
188 input->ops->next_conj(input);
189 daio->rscl.ops->next_conj(&daio->rscl);
190 }
191 input->ops->master(input);
192 daio->rscl.ops->master(&daio->rscl);
193
194 return 0;
195}
196
197static int dao_set_right_input(struct dao *dao, struct rsc *input)
198{
199 struct imapper *entry;
200 struct daio *daio = &dao->daio;
201 int i;
202
203 entry = kzalloc((sizeof(*entry) * daio->rscr.msr), GFP_KERNEL);
204 if (!entry)
205 return -ENOMEM;
206
207
208 input->ops->master(input);
209 daio->rscr.ops->master(&daio->rscr);
210 for (i = 0; i < daio->rscr.msr; i++, entry++) {
211 entry->slot = input->ops->output_slot(input);
212 entry->user = entry->addr = daio->rscr.ops->index(&daio->rscr);
213 dao->mgr->imap_add(dao->mgr, entry);
214 dao->imappers[daio->rscl.msr + i] = entry;
215
216 input->ops->next_conj(input);
217 daio->rscr.ops->next_conj(&daio->rscr);
218 }
219 input->ops->master(input);
220 daio->rscr.ops->master(&daio->rscr);
221
222 return 0;
223}
224
225static int dao_clear_left_input(struct dao *dao)
226{
227 struct imapper *entry;
228 struct daio *daio = &dao->daio;
229 int i;
230
231 if (!dao->imappers[0])
232 return 0;
233
234 entry = dao->imappers[0];
235 dao->mgr->imap_delete(dao->mgr, entry);
236
237 for (i = 1; i < daio->rscl.msr; i++) {
238 entry = dao->imappers[i];
239 dao->mgr->imap_delete(dao->mgr, entry);
240 dao->imappers[i] = NULL;
241 }
242
243 kfree(dao->imappers[0]);
244 dao->imappers[0] = NULL;
245
246 return 0;
247}
248
249static int dao_clear_right_input(struct dao *dao)
250{
251 struct imapper *entry;
252 struct daio *daio = &dao->daio;
253 int i;
254
255 if (!dao->imappers[daio->rscl.msr])
256 return 0;
257
258 entry = dao->imappers[daio->rscl.msr];
259 dao->mgr->imap_delete(dao->mgr, entry);
260
261 for (i = 1; i < daio->rscr.msr; i++) {
262 entry = dao->imappers[daio->rscl.msr + i];
263 dao->mgr->imap_delete(dao->mgr, entry);
264 dao->imappers[daio->rscl.msr + i] = NULL;
265 }
266
267 kfree(dao->imappers[daio->rscl.msr]);
268 dao->imappers[daio->rscl.msr] = NULL;
269
270 return 0;
271}
272
273static struct dao_rsc_ops dao_ops = {
274 .set_spos = dao_spdif_set_spos,
275 .commit_write = dao_commit_write,
276 .get_spos = dao_spdif_get_spos,
277 .reinit = dao_rsc_reinit,
278 .set_left_input = dao_set_left_input,
279 .set_right_input = dao_set_right_input,
280 .clear_left_input = dao_clear_left_input,
281 .clear_right_input = dao_clear_right_input,
282};
283
284static int dai_set_srt_srcl(struct dai *dai, struct rsc *src)
285{
286 src->ops->master(src);
287 ((struct hw *)dai->hw)->dai_srt_set_srcm(dai->ctrl_blk,
288 src->ops->index(src));
289 return 0;
290}
291
292static int dai_set_srt_srcr(struct dai *dai, struct rsc *src)
293{
294 src->ops->master(src);
295 ((struct hw *)dai->hw)->dai_srt_set_srco(dai->ctrl_blk,
296 src->ops->index(src));
297 return 0;
298}
299
300static int dai_set_srt_msr(struct dai *dai, unsigned int msr)
301{
302 unsigned int rsr;
303
304 for (rsr = 0; msr > 1; msr >>= 1)
305 rsr++;
306
307 ((struct hw *)dai->hw)->dai_srt_set_rsr(dai->ctrl_blk, rsr);
308 return 0;
309}
310
311static int dai_set_enb_src(struct dai *dai, unsigned int enb)
312{
313 ((struct hw *)dai->hw)->dai_srt_set_ec(dai->ctrl_blk, enb);
314 return 0;
315}
316
317static int dai_set_enb_srt(struct dai *dai, unsigned int enb)
318{
319 ((struct hw *)dai->hw)->dai_srt_set_et(dai->ctrl_blk, enb);
320 return 0;
321}
322
323static int dai_commit_write(struct dai *dai)
324{
325 ((struct hw *)dai->hw)->dai_commit_write(dai->hw,
326 daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk);
327 return 0;
328}
329
330static struct dai_rsc_ops dai_ops = {
331 .set_srt_srcl = dai_set_srt_srcl,
332 .set_srt_srcr = dai_set_srt_srcr,
333 .set_srt_msr = dai_set_srt_msr,
334 .set_enb_src = dai_set_enb_src,
335 .set_enb_srt = dai_set_enb_srt,
336 .commit_write = dai_commit_write,
337};
338
339static int daio_rsc_init(struct daio *daio,
340 const struct daio_desc *desc,
341 void *hw)
342{
343 int err;
344 unsigned int idx_l, idx_r;
345
346 switch (((struct hw *)hw)->chip_type) {
347 case ATC20K1:
348 idx_l = idx_20k1[desc->type].left;
349 idx_r = idx_20k1[desc->type].right;
350 break;
351 case ATC20K2:
352 idx_l = idx_20k2[desc->type].left;
353 idx_r = idx_20k2[desc->type].right;
354 break;
355 default:
356 return -EINVAL;
357 }
358 err = rsc_init(&daio->rscl, idx_l, DAIO, desc->msr, hw);
359 if (err)
360 return err;
361
362 err = rsc_init(&daio->rscr, idx_r, DAIO, desc->msr, hw);
363 if (err)
364 goto error1;
365
366
367 if (desc->type <= DAIO_OUT_MAX) {
368 daio->rscl.ops = daio->rscr.ops = &daio_out_rsc_ops;
369 } else {
370 switch (((struct hw *)hw)->chip_type) {
371 case ATC20K1:
372 daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k1;
373 break;
374 case ATC20K2:
375 daio->rscl.ops = daio->rscr.ops = &daio_in_rsc_ops_20k2;
376 break;
377 default:
378 break;
379 }
380 }
381 daio->type = desc->type;
382
383 return 0;
384
385error1:
386 rsc_uninit(&daio->rscl);
387 return err;
388}
389
390static int daio_rsc_uninit(struct daio *daio)
391{
392 rsc_uninit(&daio->rscl);
393 rsc_uninit(&daio->rscr);
394
395 return 0;
396}
397
398static int dao_rsc_init(struct dao *dao,
399 const struct daio_desc *desc,
400 struct daio_mgr *mgr)
401{
402 struct hw *hw = mgr->mgr.hw;
403 unsigned int conf;
404 int err;
405
406 err = daio_rsc_init(&dao->daio, desc, mgr->mgr.hw);
407 if (err)
408 return err;
409
410 dao->imappers = kzalloc(sizeof(void *)*desc->msr*2, GFP_KERNEL);
411 if (!dao->imappers) {
412 err = -ENOMEM;
413 goto error1;
414 }
415 dao->ops = &dao_ops;
416 dao->mgr = mgr;
417 dao->hw = hw;
418 err = hw->dao_get_ctrl_blk(&dao->ctrl_blk);
419 if (err)
420 goto error2;
421
422 hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk,
423 daio_device_index(dao->daio.type, hw));
424 hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
425
426 conf = (desc->msr & 0x7) | (desc->passthru << 3);
427 hw->daio_mgr_dao_init(mgr->mgr.ctrl_blk,
428 daio_device_index(dao->daio.type, hw), conf);
429 hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk,
430 daio_device_index(dao->daio.type, hw));
431 hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
432
433 return 0;
434
435error2:
436 kfree(dao->imappers);
437 dao->imappers = NULL;
438error1:
439 daio_rsc_uninit(&dao->daio);
440 return err;
441}
442
443static int dao_rsc_uninit(struct dao *dao)
444{
445 if (dao->imappers) {
446 if (dao->imappers[0])
447 dao_clear_left_input(dao);
448
449 if (dao->imappers[dao->daio.rscl.msr])
450 dao_clear_right_input(dao);
451
452 kfree(dao->imappers);
453 dao->imappers = NULL;
454 }
455 ((struct hw *)dao->hw)->dao_put_ctrl_blk(dao->ctrl_blk);
456 dao->hw = dao->ctrl_blk = NULL;
457 daio_rsc_uninit(&dao->daio);
458
459 return 0;
460}
461
462static int dao_rsc_reinit(struct dao *dao, const struct dao_desc *desc)
463{
464 struct daio_mgr *mgr = dao->mgr;
465 struct daio_desc dsc = {0};
466
467 dsc.type = dao->daio.type;
468 dsc.msr = desc->msr;
469 dsc.passthru = desc->passthru;
470 dao_rsc_uninit(dao);
471 return dao_rsc_init(dao, &dsc, mgr);
472}
473
474static int dai_rsc_init(struct dai *dai,
475 const struct daio_desc *desc,
476 struct daio_mgr *mgr)
477{
478 int err;
479 struct hw *hw = mgr->mgr.hw;
480 unsigned int rsr, msr;
481
482 err = daio_rsc_init(&dai->daio, desc, mgr->mgr.hw);
483 if (err)
484 return err;
485
486 dai->ops = &dai_ops;
487 dai->hw = mgr->mgr.hw;
488 err = hw->dai_get_ctrl_blk(&dai->ctrl_blk);
489 if (err)
490 goto error1;
491
492 for (rsr = 0, msr = desc->msr; msr > 1; msr >>= 1)
493 rsr++;
494
495 hw->dai_srt_set_rsr(dai->ctrl_blk, rsr);
496 hw->dai_srt_set_drat(dai->ctrl_blk, 0);
497
498 hw->dai_srt_set_ec(dai->ctrl_blk, 0);
499 hw->dai_srt_set_et(dai->ctrl_blk, 0);
500 hw->dai_commit_write(hw,
501 daio_device_index(dai->daio.type, dai->hw), dai->ctrl_blk);
502
503 return 0;
504
505error1:
506 daio_rsc_uninit(&dai->daio);
507 return err;
508}
509
510static int dai_rsc_uninit(struct dai *dai)
511{
512 ((struct hw *)dai->hw)->dai_put_ctrl_blk(dai->ctrl_blk);
513 dai->hw = dai->ctrl_blk = NULL;
514 daio_rsc_uninit(&dai->daio);
515 return 0;
516}
517
518static int daio_mgr_get_rsc(struct rsc_mgr *mgr, enum DAIOTYP type)
519{
520 if (((union daio_usage *)mgr->rscs)->data & (0x1 << type))
521 return -ENOENT;
522
523 ((union daio_usage *)mgr->rscs)->data |= (0x1 << type);
524
525 return 0;
526}
527
528static int daio_mgr_put_rsc(struct rsc_mgr *mgr, enum DAIOTYP type)
529{
530 ((union daio_usage *)mgr->rscs)->data &= ~(0x1 << type);
531
532 return 0;
533}
534
535static int get_daio_rsc(struct daio_mgr *mgr,
536 const struct daio_desc *desc,
537 struct daio **rdaio)
538{
539 int err;
540 struct dai *dai = NULL;
541 struct dao *dao = NULL;
542 unsigned long flags;
543
544 *rdaio = NULL;
545
546
547 spin_lock_irqsave(&mgr->mgr_lock, flags);
548 err = daio_mgr_get_rsc(&mgr->mgr, desc->type);
549 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
550 if (err) {
551 printk(KERN_ERR "Can't meet DAIO resource request!\n");
552 return err;
553 }
554
555
556 if (desc->type <= DAIO_OUT_MAX) {
557 dao = kzalloc(sizeof(*dao), GFP_KERNEL);
558 if (!dao) {
559 err = -ENOMEM;
560 goto error;
561 }
562 err = dao_rsc_init(dao, desc, mgr);
563 if (err)
564 goto error;
565
566 *rdaio = &dao->daio;
567 } else {
568 dai = kzalloc(sizeof(*dai), GFP_KERNEL);
569 if (!dai) {
570 err = -ENOMEM;
571 goto error;
572 }
573 err = dai_rsc_init(dai, desc, mgr);
574 if (err)
575 goto error;
576
577 *rdaio = &dai->daio;
578 }
579
580 mgr->daio_enable(mgr, *rdaio);
581 mgr->commit_write(mgr);
582
583 return 0;
584
585error:
586 if (dao)
587 kfree(dao);
588 else if (dai)
589 kfree(dai);
590
591 spin_lock_irqsave(&mgr->mgr_lock, flags);
592 daio_mgr_put_rsc(&mgr->mgr, desc->type);
593 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
594 return err;
595}
596
597static int put_daio_rsc(struct daio_mgr *mgr, struct daio *daio)
598{
599 unsigned long flags;
600
601 mgr->daio_disable(mgr, daio);
602 mgr->commit_write(mgr);
603
604 spin_lock_irqsave(&mgr->mgr_lock, flags);
605 daio_mgr_put_rsc(&mgr->mgr, daio->type);
606 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
607
608 if (daio->type <= DAIO_OUT_MAX) {
609 dao_rsc_uninit(container_of(daio, struct dao, daio));
610 kfree(container_of(daio, struct dao, daio));
611 } else {
612 dai_rsc_uninit(container_of(daio, struct dai, daio));
613 kfree(container_of(daio, struct dai, daio));
614 }
615
616 return 0;
617}
618
619static int daio_mgr_enb_daio(struct daio_mgr *mgr, struct daio *daio)
620{
621 struct hw *hw = mgr->mgr.hw;
622
623 if (DAIO_OUT_MAX >= daio->type) {
624 hw->daio_mgr_enb_dao(mgr->mgr.ctrl_blk,
625 daio_device_index(daio->type, hw));
626 } else {
627 hw->daio_mgr_enb_dai(mgr->mgr.ctrl_blk,
628 daio_device_index(daio->type, hw));
629 }
630 return 0;
631}
632
633static int daio_mgr_dsb_daio(struct daio_mgr *mgr, struct daio *daio)
634{
635 struct hw *hw = mgr->mgr.hw;
636
637 if (DAIO_OUT_MAX >= daio->type) {
638 hw->daio_mgr_dsb_dao(mgr->mgr.ctrl_blk,
639 daio_device_index(daio->type, hw));
640 } else {
641 hw->daio_mgr_dsb_dai(mgr->mgr.ctrl_blk,
642 daio_device_index(daio->type, hw));
643 }
644 return 0;
645}
646
647static int daio_map_op(void *data, struct imapper *entry)
648{
649 struct rsc_mgr *mgr = &((struct daio_mgr *)data)->mgr;
650 struct hw *hw = mgr->hw;
651
652 hw->daio_mgr_set_imaparc(mgr->ctrl_blk, entry->slot);
653 hw->daio_mgr_set_imapnxt(mgr->ctrl_blk, entry->next);
654 hw->daio_mgr_set_imapaddr(mgr->ctrl_blk, entry->addr);
655 hw->daio_mgr_commit_write(mgr->hw, mgr->ctrl_blk);
656
657 return 0;
658}
659
660static int daio_imap_add(struct daio_mgr *mgr, struct imapper *entry)
661{
662 unsigned long flags;
663 int err;
664
665 spin_lock_irqsave(&mgr->imap_lock, flags);
666 if (!entry->addr && mgr->init_imap_added) {
667 input_mapper_delete(&mgr->imappers, mgr->init_imap,
668 daio_map_op, mgr);
669 mgr->init_imap_added = 0;
670 }
671 err = input_mapper_add(&mgr->imappers, entry, daio_map_op, mgr);
672 spin_unlock_irqrestore(&mgr->imap_lock, flags);
673
674 return err;
675}
676
677static int daio_imap_delete(struct daio_mgr *mgr, struct imapper *entry)
678{
679 unsigned long flags;
680 int err;
681
682 spin_lock_irqsave(&mgr->imap_lock, flags);
683 err = input_mapper_delete(&mgr->imappers, entry, daio_map_op, mgr);
684 if (list_empty(&mgr->imappers)) {
685 input_mapper_add(&mgr->imappers, mgr->init_imap,
686 daio_map_op, mgr);
687 mgr->init_imap_added = 1;
688 }
689 spin_unlock_irqrestore(&mgr->imap_lock, flags);
690
691 return err;
692}
693
694static int daio_mgr_commit_write(struct daio_mgr *mgr)
695{
696 struct hw *hw = mgr->mgr.hw;
697
698 hw->daio_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
699 return 0;
700}
701
702int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr)
703{
704 int err, i;
705 struct daio_mgr *daio_mgr;
706 struct imapper *entry;
707
708 *rdaio_mgr = NULL;
709 daio_mgr = kzalloc(sizeof(*daio_mgr), GFP_KERNEL);
710 if (!daio_mgr)
711 return -ENOMEM;
712
713 err = rsc_mgr_init(&daio_mgr->mgr, DAIO, DAIO_RESOURCE_NUM, hw);
714 if (err)
715 goto error1;
716
717 spin_lock_init(&daio_mgr->mgr_lock);
718 spin_lock_init(&daio_mgr->imap_lock);
719 INIT_LIST_HEAD(&daio_mgr->imappers);
720 entry = kzalloc(sizeof(*entry), GFP_KERNEL);
721 if (!entry) {
722 err = -ENOMEM;
723 goto error2;
724 }
725 entry->slot = entry->addr = entry->next = entry->user = 0;
726 list_add(&entry->list, &daio_mgr->imappers);
727 daio_mgr->init_imap = entry;
728 daio_mgr->init_imap_added = 1;
729
730 daio_mgr->get_daio = get_daio_rsc;
731 daio_mgr->put_daio = put_daio_rsc;
732 daio_mgr->daio_enable = daio_mgr_enb_daio;
733 daio_mgr->daio_disable = daio_mgr_dsb_daio;
734 daio_mgr->imap_add = daio_imap_add;
735 daio_mgr->imap_delete = daio_imap_delete;
736 daio_mgr->commit_write = daio_mgr_commit_write;
737
738 for (i = 0; i < 8; i++) {
739 ((struct hw *)hw)->daio_mgr_dsb_dao(daio_mgr->mgr.ctrl_blk, i);
740 ((struct hw *)hw)->daio_mgr_dsb_dai(daio_mgr->mgr.ctrl_blk, i);
741 }
742 ((struct hw *)hw)->daio_mgr_commit_write(hw, daio_mgr->mgr.ctrl_blk);
743
744 *rdaio_mgr = daio_mgr;
745
746 return 0;
747
748error2:
749 rsc_mgr_uninit(&daio_mgr->mgr);
750error1:
751 kfree(daio_mgr);
752 return err;
753}
754
755int daio_mgr_destroy(struct daio_mgr *daio_mgr)
756{
757 unsigned long flags;
758
759
760 spin_lock_irqsave(&daio_mgr->imap_lock, flags);
761 free_input_mapper_list(&daio_mgr->imappers);
762 spin_unlock_irqrestore(&daio_mgr->imap_lock, flags);
763
764 rsc_mgr_uninit(&daio_mgr->mgr);
765 kfree(daio_mgr);
766
767 return 0;
768}
769
770
