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19#include "ctsrc.h"
20#include "cthardware.h"
21#include <linux/slab.h>
22
23#define SRC_RESOURCE_NUM 256
24#define SRCIMP_RESOURCE_NUM 256
25
26static unsigned int conj_mask;
27
28static int src_default_config_memrd(struct src *src);
29static int src_default_config_memwr(struct src *src);
30static int src_default_config_arcrw(struct src *src);
31
32static int (*src_default_config[3])(struct src *) = {
33 [MEMRD] = src_default_config_memrd,
34 [MEMWR] = src_default_config_memwr,
35 [ARCRW] = src_default_config_arcrw
36};
37
38static int src_set_state(struct src *src, unsigned int state)
39{
40 struct hw *hw;
41
42 hw = src->rsc.hw;
43 hw->src_set_state(src->rsc.ctrl_blk, state);
44
45 return 0;
46}
47
48static int src_set_bm(struct src *src, unsigned int bm)
49{
50 struct hw *hw;
51
52 hw = src->rsc.hw;
53 hw->src_set_bm(src->rsc.ctrl_blk, bm);
54
55 return 0;
56}
57
58static int src_set_sf(struct src *src, unsigned int sf)
59{
60 struct hw *hw;
61
62 hw = src->rsc.hw;
63 hw->src_set_sf(src->rsc.ctrl_blk, sf);
64
65 return 0;
66}
67
68static int src_set_pm(struct src *src, unsigned int pm)
69{
70 struct hw *hw;
71
72 hw = src->rsc.hw;
73 hw->src_set_pm(src->rsc.ctrl_blk, pm);
74
75 return 0;
76}
77
78static int src_set_rom(struct src *src, unsigned int rom)
79{
80 struct hw *hw;
81
82 hw = src->rsc.hw;
83 hw->src_set_rom(src->rsc.ctrl_blk, rom);
84
85 return 0;
86}
87
88static int src_set_vo(struct src *src, unsigned int vo)
89{
90 struct hw *hw;
91
92 hw = src->rsc.hw;
93 hw->src_set_vo(src->rsc.ctrl_blk, vo);
94
95 return 0;
96}
97
98static int src_set_st(struct src *src, unsigned int st)
99{
100 struct hw *hw;
101
102 hw = src->rsc.hw;
103 hw->src_set_st(src->rsc.ctrl_blk, st);
104
105 return 0;
106}
107
108static int src_set_bp(struct src *src, unsigned int bp)
109{
110 struct hw *hw;
111
112 hw = src->rsc.hw;
113 hw->src_set_bp(src->rsc.ctrl_blk, bp);
114
115 return 0;
116}
117
118static int src_set_cisz(struct src *src, unsigned int cisz)
119{
120 struct hw *hw;
121
122 hw = src->rsc.hw;
123 hw->src_set_cisz(src->rsc.ctrl_blk, cisz);
124
125 return 0;
126}
127
128static int src_set_ca(struct src *src, unsigned int ca)
129{
130 struct hw *hw;
131
132 hw = src->rsc.hw;
133 hw->src_set_ca(src->rsc.ctrl_blk, ca);
134
135 return 0;
136}
137
138static int src_set_sa(struct src *src, unsigned int sa)
139{
140 struct hw *hw;
141
142 hw = src->rsc.hw;
143 hw->src_set_sa(src->rsc.ctrl_blk, sa);
144
145 return 0;
146}
147
148static int src_set_la(struct src *src, unsigned int la)
149{
150 struct hw *hw;
151
152 hw = src->rsc.hw;
153 hw->src_set_la(src->rsc.ctrl_blk, la);
154
155 return 0;
156}
157
158static int src_set_pitch(struct src *src, unsigned int pitch)
159{
160 struct hw *hw;
161
162 hw = src->rsc.hw;
163 hw->src_set_pitch(src->rsc.ctrl_blk, pitch);
164
165 return 0;
166}
167
168static int src_set_clear_zbufs(struct src *src)
169{
170 struct hw *hw;
171
172 hw = src->rsc.hw;
173 hw->src_set_clear_zbufs(src->rsc.ctrl_blk, 1);
174
175 return 0;
176}
177
178static int src_commit_write(struct src *src)
179{
180 struct hw *hw;
181 int i;
182 unsigned int dirty = 0;
183
184 hw = src->rsc.hw;
185 src->rsc.ops->master(&src->rsc);
186 if (src->rsc.msr > 1) {
187
188 dirty = hw->src_get_dirty(src->rsc.ctrl_blk) & conj_mask;
189 }
190 hw->src_commit_write(hw, src->rsc.ops->index(&src->rsc),
191 src->rsc.ctrl_blk);
192
193
194 if (MEMWR == src->mode)
195 return 0;
196
197 for (i = 1; i < src->rsc.msr; i++) {
198 src->rsc.ops->next_conj(&src->rsc);
199 hw->src_set_dirty(src->rsc.ctrl_blk, dirty);
200 hw->src_commit_write(hw, src->rsc.ops->index(&src->rsc),
201 src->rsc.ctrl_blk);
202 }
203 src->rsc.ops->master(&src->rsc);
204
205 return 0;
206}
207
208static int src_get_ca(struct src *src)
209{
210 struct hw *hw;
211
212 hw = src->rsc.hw;
213 return hw->src_get_ca(hw, src->rsc.ops->index(&src->rsc),
214 src->rsc.ctrl_blk);
215}
216
217static int src_init(struct src *src)
218{
219 src_default_config[src->mode](src);
220
221 return 0;
222}
223
224static struct src *src_next_interleave(struct src *src)
225{
226 return src->intlv;
227}
228
229static int src_default_config_memrd(struct src *src)
230{
231 struct hw *hw = src->rsc.hw;
232 unsigned int rsr, msr;
233
234 hw->src_set_state(src->rsc.ctrl_blk, SRC_STATE_OFF);
235 hw->src_set_bm(src->rsc.ctrl_blk, 1);
236 for (rsr = 0, msr = src->rsc.msr; msr > 1; msr >>= 1)
237 rsr++;
238
239 hw->src_set_rsr(src->rsc.ctrl_blk, rsr);
240 hw->src_set_sf(src->rsc.ctrl_blk, SRC_SF_S16);
241 hw->src_set_wr(src->rsc.ctrl_blk, 0);
242 hw->src_set_pm(src->rsc.ctrl_blk, 0);
243 hw->src_set_rom(src->rsc.ctrl_blk, 0);
244 hw->src_set_vo(src->rsc.ctrl_blk, 0);
245 hw->src_set_st(src->rsc.ctrl_blk, 0);
246 hw->src_set_ilsz(src->rsc.ctrl_blk, src->multi - 1);
247 hw->src_set_cisz(src->rsc.ctrl_blk, 0x80);
248 hw->src_set_sa(src->rsc.ctrl_blk, 0x0);
249 hw->src_set_la(src->rsc.ctrl_blk, 0x1000);
250 hw->src_set_ca(src->rsc.ctrl_blk, 0x80);
251 hw->src_set_pitch(src->rsc.ctrl_blk, 0x1000000);
252 hw->src_set_clear_zbufs(src->rsc.ctrl_blk, 1);
253
254 src->rsc.ops->master(&src->rsc);
255 hw->src_commit_write(hw, src->rsc.ops->index(&src->rsc),
256 src->rsc.ctrl_blk);
257
258 for (msr = 1; msr < src->rsc.msr; msr++) {
259 src->rsc.ops->next_conj(&src->rsc);
260 hw->src_set_pitch(src->rsc.ctrl_blk, 0x1000000);
261 hw->src_commit_write(hw, src->rsc.ops->index(&src->rsc),
262 src->rsc.ctrl_blk);
263 }
264 src->rsc.ops->master(&src->rsc);
265
266 return 0;
267}
268
269static int src_default_config_memwr(struct src *src)
270{
271 struct hw *hw = src->rsc.hw;
272
273 hw->src_set_state(src->rsc.ctrl_blk, SRC_STATE_OFF);
274 hw->src_set_bm(src->rsc.ctrl_blk, 1);
275 hw->src_set_rsr(src->rsc.ctrl_blk, 0);
276 hw->src_set_sf(src->rsc.ctrl_blk, SRC_SF_S16);
277 hw->src_set_wr(src->rsc.ctrl_blk, 1);
278 hw->src_set_pm(src->rsc.ctrl_blk, 0);
279 hw->src_set_rom(src->rsc.ctrl_blk, 0);
280 hw->src_set_vo(src->rsc.ctrl_blk, 0);
281 hw->src_set_st(src->rsc.ctrl_blk, 0);
282 hw->src_set_ilsz(src->rsc.ctrl_blk, 0);
283 hw->src_set_cisz(src->rsc.ctrl_blk, 0x80);
284 hw->src_set_sa(src->rsc.ctrl_blk, 0x0);
285 hw->src_set_la(src->rsc.ctrl_blk, 0x1000);
286 hw->src_set_ca(src->rsc.ctrl_blk, 0x80);
287 hw->src_set_pitch(src->rsc.ctrl_blk, 0x1000000);
288 hw->src_set_clear_zbufs(src->rsc.ctrl_blk, 1);
289
290 src->rsc.ops->master(&src->rsc);
291 hw->src_commit_write(hw, src->rsc.ops->index(&src->rsc),
292 src->rsc.ctrl_blk);
293
294 return 0;
295}
296
297static int src_default_config_arcrw(struct src *src)
298{
299 struct hw *hw = src->rsc.hw;
300 unsigned int rsr, msr;
301 unsigned int dirty;
302
303 hw->src_set_state(src->rsc.ctrl_blk, SRC_STATE_OFF);
304 hw->src_set_bm(src->rsc.ctrl_blk, 0);
305 for (rsr = 0, msr = src->rsc.msr; msr > 1; msr >>= 1)
306 rsr++;
307
308 hw->src_set_rsr(src->rsc.ctrl_blk, rsr);
309 hw->src_set_sf(src->rsc.ctrl_blk, SRC_SF_F32);
310 hw->src_set_wr(src->rsc.ctrl_blk, 0);
311 hw->src_set_pm(src->rsc.ctrl_blk, 0);
312 hw->src_set_rom(src->rsc.ctrl_blk, 0);
313 hw->src_set_vo(src->rsc.ctrl_blk, 0);
314 hw->src_set_st(src->rsc.ctrl_blk, 0);
315 hw->src_set_ilsz(src->rsc.ctrl_blk, 0);
316 hw->src_set_cisz(src->rsc.ctrl_blk, 0x80);
317 hw->src_set_sa(src->rsc.ctrl_blk, 0x0);
318
319 hw->src_set_la(src->rsc.ctrl_blk, 0x1000);
320
321 hw->src_set_ca(src->rsc.ctrl_blk, 0x80);
322 hw->src_set_pitch(src->rsc.ctrl_blk, 0x1000000);
323 hw->src_set_clear_zbufs(src->rsc.ctrl_blk, 1);
324
325 dirty = hw->src_get_dirty(src->rsc.ctrl_blk);
326 src->rsc.ops->master(&src->rsc);
327 for (msr = 0; msr < src->rsc.msr; msr++) {
328 hw->src_set_dirty(src->rsc.ctrl_blk, dirty);
329 hw->src_commit_write(hw, src->rsc.ops->index(&src->rsc),
330 src->rsc.ctrl_blk);
331 src->rsc.ops->next_conj(&src->rsc);
332 }
333 src->rsc.ops->master(&src->rsc);
334
335 return 0;
336}
337
338static const struct src_rsc_ops src_rsc_ops = {
339 .set_state = src_set_state,
340 .set_bm = src_set_bm,
341 .set_sf = src_set_sf,
342 .set_pm = src_set_pm,
343 .set_rom = src_set_rom,
344 .set_vo = src_set_vo,
345 .set_st = src_set_st,
346 .set_bp = src_set_bp,
347 .set_cisz = src_set_cisz,
348 .set_ca = src_set_ca,
349 .set_sa = src_set_sa,
350 .set_la = src_set_la,
351 .set_pitch = src_set_pitch,
352 .set_clr_zbufs = src_set_clear_zbufs,
353 .commit_write = src_commit_write,
354 .get_ca = src_get_ca,
355 .init = src_init,
356 .next_interleave = src_next_interleave,
357};
358
359static int
360src_rsc_init(struct src *src, u32 idx,
361 const struct src_desc *desc, struct src_mgr *mgr)
362{
363 int err;
364 int i, n;
365 struct src *p;
366
367 n = (MEMRD == desc->mode) ? desc->multi : 1;
368 for (i = 0, p = src; i < n; i++, p++) {
369 err = rsc_init(&p->rsc, idx + i, SRC, desc->msr, mgr->mgr.hw);
370 if (err)
371 goto error1;
372
373
374 p->ops = &src_rsc_ops;
375 p->multi = (0 == i) ? desc->multi : 1;
376 p->mode = desc->mode;
377 src_default_config[desc->mode](p);
378 mgr->src_enable(mgr, p);
379 p->intlv = p + 1;
380 }
381 (--p)->intlv = NULL;
382
383 mgr->commit_write(mgr);
384
385 return 0;
386
387error1:
388 for (i--, p--; i >= 0; i--, p--) {
389 mgr->src_disable(mgr, p);
390 rsc_uninit(&p->rsc);
391 }
392 mgr->commit_write(mgr);
393 return err;
394}
395
396static int src_rsc_uninit(struct src *src, struct src_mgr *mgr)
397{
398 int i, n;
399 struct src *p;
400
401 n = (MEMRD == src->mode) ? src->multi : 1;
402 for (i = 0, p = src; i < n; i++, p++) {
403 mgr->src_disable(mgr, p);
404 rsc_uninit(&p->rsc);
405 p->multi = 0;
406 p->ops = NULL;
407 p->mode = NUM_SRCMODES;
408 p->intlv = NULL;
409 }
410 mgr->commit_write(mgr);
411
412 return 0;
413}
414
415static int
416get_src_rsc(struct src_mgr *mgr, const struct src_desc *desc, struct src **rsrc)
417{
418 unsigned int idx = SRC_RESOURCE_NUM;
419 int err;
420 struct src *src;
421 unsigned long flags;
422
423 *rsrc = NULL;
424
425
426 spin_lock_irqsave(&mgr->mgr_lock, flags);
427 if (MEMRD == desc->mode)
428 err = mgr_get_resource(&mgr->mgr, desc->multi, &idx);
429 else
430 err = mgr_get_resource(&mgr->mgr, 1, &idx);
431
432 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
433 if (err) {
434 dev_err(mgr->card->dev,
435 "Can't meet SRC resource request!\n");
436 return err;
437 }
438
439
440 if (MEMRD == desc->mode)
441 src = kcalloc(desc->multi, sizeof(*src), GFP_KERNEL);
442 else
443 src = kzalloc(sizeof(*src), GFP_KERNEL);
444
445 if (!src) {
446 err = -ENOMEM;
447 goto error1;
448 }
449
450 err = src_rsc_init(src, idx, desc, mgr);
451 if (err)
452 goto error2;
453
454 *rsrc = src;
455
456 return 0;
457
458error2:
459 kfree(src);
460error1:
461 spin_lock_irqsave(&mgr->mgr_lock, flags);
462 if (MEMRD == desc->mode)
463 mgr_put_resource(&mgr->mgr, desc->multi, idx);
464 else
465 mgr_put_resource(&mgr->mgr, 1, idx);
466
467 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
468 return err;
469}
470
471static int put_src_rsc(struct src_mgr *mgr, struct src *src)
472{
473 unsigned long flags;
474
475 spin_lock_irqsave(&mgr->mgr_lock, flags);
476 src->rsc.ops->master(&src->rsc);
477 if (MEMRD == src->mode)
478 mgr_put_resource(&mgr->mgr, src->multi,
479 src->rsc.ops->index(&src->rsc));
480 else
481 mgr_put_resource(&mgr->mgr, 1, src->rsc.ops->index(&src->rsc));
482
483 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
484 src_rsc_uninit(src, mgr);
485 kfree(src);
486
487 return 0;
488}
489
490static int src_enable_s(struct src_mgr *mgr, struct src *src)
491{
492 struct hw *hw = mgr->mgr.hw;
493 int i;
494
495 src->rsc.ops->master(&src->rsc);
496 for (i = 0; i < src->rsc.msr; i++) {
497 hw->src_mgr_enbs_src(mgr->mgr.ctrl_blk,
498 src->rsc.ops->index(&src->rsc));
499 src->rsc.ops->next_conj(&src->rsc);
500 }
501 src->rsc.ops->master(&src->rsc);
502
503 return 0;
504}
505
506static int src_enable(struct src_mgr *mgr, struct src *src)
507{
508 struct hw *hw = mgr->mgr.hw;
509 int i;
510
511 src->rsc.ops->master(&src->rsc);
512 for (i = 0; i < src->rsc.msr; i++) {
513 hw->src_mgr_enb_src(mgr->mgr.ctrl_blk,
514 src->rsc.ops->index(&src->rsc));
515 src->rsc.ops->next_conj(&src->rsc);
516 }
517 src->rsc.ops->master(&src->rsc);
518
519 return 0;
520}
521
522static int src_disable(struct src_mgr *mgr, struct src *src)
523{
524 struct hw *hw = mgr->mgr.hw;
525 int i;
526
527 src->rsc.ops->master(&src->rsc);
528 for (i = 0; i < src->rsc.msr; i++) {
529 hw->src_mgr_dsb_src(mgr->mgr.ctrl_blk,
530 src->rsc.ops->index(&src->rsc));
531 src->rsc.ops->next_conj(&src->rsc);
532 }
533 src->rsc.ops->master(&src->rsc);
534
535 return 0;
536}
537
538static int src_mgr_commit_write(struct src_mgr *mgr)
539{
540 struct hw *hw = mgr->mgr.hw;
541
542 hw->src_mgr_commit_write(hw, mgr->mgr.ctrl_blk);
543
544 return 0;
545}
546
547int src_mgr_create(struct hw *hw, struct src_mgr **rsrc_mgr)
548{
549 int err, i;
550 struct src_mgr *src_mgr;
551
552 *rsrc_mgr = NULL;
553 src_mgr = kzalloc(sizeof(*src_mgr), GFP_KERNEL);
554 if (!src_mgr)
555 return -ENOMEM;
556
557 err = rsc_mgr_init(&src_mgr->mgr, SRC, SRC_RESOURCE_NUM, hw);
558 if (err)
559 goto error1;
560
561 spin_lock_init(&src_mgr->mgr_lock);
562 conj_mask = hw->src_dirty_conj_mask();
563
564 src_mgr->get_src = get_src_rsc;
565 src_mgr->put_src = put_src_rsc;
566 src_mgr->src_enable_s = src_enable_s;
567 src_mgr->src_enable = src_enable;
568 src_mgr->src_disable = src_disable;
569 src_mgr->commit_write = src_mgr_commit_write;
570 src_mgr->card = hw->card;
571
572
573 for (i = 0; i < 256; i++)
574 hw->src_mgr_dsb_src(src_mgr->mgr.ctrl_blk, i);
575
576 hw->src_mgr_commit_write(hw, src_mgr->mgr.ctrl_blk);
577
578 *rsrc_mgr = src_mgr;
579
580 return 0;
581
582error1:
583 kfree(src_mgr);
584 return err;
585}
586
587int src_mgr_destroy(struct src_mgr *src_mgr)
588{
589 rsc_mgr_uninit(&src_mgr->mgr);
590 kfree(src_mgr);
591
592 return 0;
593}
594
595
596
597static int srcimp_master(struct rsc *rsc)
598{
599 rsc->conj = 0;
600 return rsc->idx = container_of(rsc, struct srcimp, rsc)->idx[0];
601}
602
603static int srcimp_next_conj(struct rsc *rsc)
604{
605 rsc->conj++;
606 return container_of(rsc, struct srcimp, rsc)->idx[rsc->conj];
607}
608
609static int srcimp_index(const struct rsc *rsc)
610{
611 return container_of(rsc, struct srcimp, rsc)->idx[rsc->conj];
612}
613
614static const struct rsc_ops srcimp_basic_rsc_ops = {
615 .master = srcimp_master,
616 .next_conj = srcimp_next_conj,
617 .index = srcimp_index,
618 .output_slot = NULL,
619};
620
621static int srcimp_map(struct srcimp *srcimp, struct src *src, struct rsc *input)
622{
623 struct imapper *entry;
624 int i;
625
626 srcimp->rsc.ops->master(&srcimp->rsc);
627 src->rsc.ops->master(&src->rsc);
628 input->ops->master(input);
629
630
631 for (i = 0; i < srcimp->rsc.msr; i++) {
632 entry = &srcimp->imappers[i];
633 entry->slot = input->ops->output_slot(input);
634 entry->user = src->rsc.ops->index(&src->rsc);
635 entry->addr = srcimp->rsc.ops->index(&srcimp->rsc);
636 srcimp->mgr->imap_add(srcimp->mgr, entry);
637 srcimp->mapped |= (0x1 << i);
638
639 srcimp->rsc.ops->next_conj(&srcimp->rsc);
640 input->ops->next_conj(input);
641 }
642
643 srcimp->rsc.ops->master(&srcimp->rsc);
644 input->ops->master(input);
645
646 return 0;
647}
648
649static int srcimp_unmap(struct srcimp *srcimp)
650{
651 int i;
652
653
654 for (i = 0; i < srcimp->rsc.msr; i++) {
655 if (srcimp->mapped & (0x1 << i)) {
656 srcimp->mgr->imap_delete(srcimp->mgr,
657 &srcimp->imappers[i]);
658 srcimp->mapped &= ~(0x1 << i);
659 }
660 }
661
662 return 0;
663}
664
665static const struct srcimp_rsc_ops srcimp_ops = {
666 .map = srcimp_map,
667 .unmap = srcimp_unmap
668};
669
670static int srcimp_rsc_init(struct srcimp *srcimp,
671 const struct srcimp_desc *desc,
672 struct srcimp_mgr *mgr)
673{
674 int err;
675
676 err = rsc_init(&srcimp->rsc, srcimp->idx[0],
677 SRCIMP, desc->msr, mgr->mgr.hw);
678 if (err)
679 return err;
680
681
682 srcimp->imappers = kzalloc(sizeof(struct imapper)*desc->msr,
683 GFP_KERNEL);
684 if (!srcimp->imappers) {
685 err = -ENOMEM;
686 goto error1;
687 }
688
689
690 srcimp->rsc.ops = &srcimp_basic_rsc_ops;
691 srcimp->ops = &srcimp_ops;
692 srcimp->mgr = mgr;
693
694 srcimp->rsc.ops->master(&srcimp->rsc);
695
696 return 0;
697
698error1:
699 rsc_uninit(&srcimp->rsc);
700 return err;
701}
702
703static int srcimp_rsc_uninit(struct srcimp *srcimp)
704{
705 if (NULL != srcimp->imappers) {
706 kfree(srcimp->imappers);
707 srcimp->imappers = NULL;
708 }
709 srcimp->ops = NULL;
710 srcimp->mgr = NULL;
711 rsc_uninit(&srcimp->rsc);
712
713 return 0;
714}
715
716static int get_srcimp_rsc(struct srcimp_mgr *mgr,
717 const struct srcimp_desc *desc,
718 struct srcimp **rsrcimp)
719{
720 int err, i;
721 unsigned int idx;
722 struct srcimp *srcimp;
723 unsigned long flags;
724
725 *rsrcimp = NULL;
726
727
728 srcimp = kzalloc(sizeof(*srcimp), GFP_KERNEL);
729 if (!srcimp)
730 return -ENOMEM;
731
732
733 err = 0;
734 spin_lock_irqsave(&mgr->mgr_lock, flags);
735 for (i = 0; i < desc->msr; i++) {
736 err = mgr_get_resource(&mgr->mgr, 1, &idx);
737 if (err)
738 break;
739
740 srcimp->idx[i] = idx;
741 }
742 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
743 if (err) {
744 dev_err(mgr->card->dev,
745 "Can't meet SRCIMP resource request!\n");
746 goto error1;
747 }
748
749 err = srcimp_rsc_init(srcimp, desc, mgr);
750 if (err)
751 goto error1;
752
753 *rsrcimp = srcimp;
754
755 return 0;
756
757error1:
758 spin_lock_irqsave(&mgr->mgr_lock, flags);
759 for (i--; i >= 0; i--)
760 mgr_put_resource(&mgr->mgr, 1, srcimp->idx[i]);
761
762 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
763 kfree(srcimp);
764 return err;
765}
766
767static int put_srcimp_rsc(struct srcimp_mgr *mgr, struct srcimp *srcimp)
768{
769 unsigned long flags;
770 int i;
771
772 spin_lock_irqsave(&mgr->mgr_lock, flags);
773 for (i = 0; i < srcimp->rsc.msr; i++)
774 mgr_put_resource(&mgr->mgr, 1, srcimp->idx[i]);
775
776 spin_unlock_irqrestore(&mgr->mgr_lock, flags);
777 srcimp_rsc_uninit(srcimp);
778 kfree(srcimp);
779
780 return 0;
781}
782
783static int srcimp_map_op(void *data, struct imapper *entry)
784{
785 struct rsc_mgr *mgr = &((struct srcimp_mgr *)data)->mgr;
786 struct hw *hw = mgr->hw;
787
788 hw->srcimp_mgr_set_imaparc(mgr->ctrl_blk, entry->slot);
789 hw->srcimp_mgr_set_imapuser(mgr->ctrl_blk, entry->user);
790 hw->srcimp_mgr_set_imapnxt(mgr->ctrl_blk, entry->next);
791 hw->srcimp_mgr_set_imapaddr(mgr->ctrl_blk, entry->addr);
792 hw->srcimp_mgr_commit_write(mgr->hw, mgr->ctrl_blk);
793
794 return 0;
795}
796
797static int srcimp_imap_add(struct srcimp_mgr *mgr, struct imapper *entry)
798{
799 unsigned long flags;
800 int err;
801
802 spin_lock_irqsave(&mgr->imap_lock, flags);
803 if ((0 == entry->addr) && (mgr->init_imap_added)) {
804 input_mapper_delete(&mgr->imappers,
805 mgr->init_imap, srcimp_map_op, mgr);
806 mgr->init_imap_added = 0;
807 }
808 err = input_mapper_add(&mgr->imappers, entry, srcimp_map_op, mgr);
809 spin_unlock_irqrestore(&mgr->imap_lock, flags);
810
811 return err;
812}
813
814static int srcimp_imap_delete(struct srcimp_mgr *mgr, struct imapper *entry)
815{
816 unsigned long flags;
817 int err;
818
819 spin_lock_irqsave(&mgr->imap_lock, flags);
820 err = input_mapper_delete(&mgr->imappers, entry, srcimp_map_op, mgr);
821 if (list_empty(&mgr->imappers)) {
822 input_mapper_add(&mgr->imappers, mgr->init_imap,
823 srcimp_map_op, mgr);
824 mgr->init_imap_added = 1;
825 }
826 spin_unlock_irqrestore(&mgr->imap_lock, flags);
827
828 return err;
829}
830
831int srcimp_mgr_create(struct hw *hw, struct srcimp_mgr **rsrcimp_mgr)
832{
833 int err;
834 struct srcimp_mgr *srcimp_mgr;
835 struct imapper *entry;
836
837 *rsrcimp_mgr = NULL;
838 srcimp_mgr = kzalloc(sizeof(*srcimp_mgr), GFP_KERNEL);
839 if (!srcimp_mgr)
840 return -ENOMEM;
841
842 err = rsc_mgr_init(&srcimp_mgr->mgr, SRCIMP, SRCIMP_RESOURCE_NUM, hw);
843 if (err)
844 goto error1;
845
846 spin_lock_init(&srcimp_mgr->mgr_lock);
847 spin_lock_init(&srcimp_mgr->imap_lock);
848 INIT_LIST_HEAD(&srcimp_mgr->imappers);
849 entry = kzalloc(sizeof(*entry), GFP_KERNEL);
850 if (!entry) {
851 err = -ENOMEM;
852 goto error2;
853 }
854 entry->slot = entry->addr = entry->next = entry->user = 0;
855 list_add(&entry->list, &srcimp_mgr->imappers);
856 srcimp_mgr->init_imap = entry;
857 srcimp_mgr->init_imap_added = 1;
858
859 srcimp_mgr->get_srcimp = get_srcimp_rsc;
860 srcimp_mgr->put_srcimp = put_srcimp_rsc;
861 srcimp_mgr->imap_add = srcimp_imap_add;
862 srcimp_mgr->imap_delete = srcimp_imap_delete;
863 srcimp_mgr->card = hw->card;
864
865 *rsrcimp_mgr = srcimp_mgr;
866
867 return 0;
868
869error2:
870 rsc_mgr_uninit(&srcimp_mgr->mgr);
871error1:
872 kfree(srcimp_mgr);
873 return err;
874}
875
876int srcimp_mgr_destroy(struct srcimp_mgr *srcimp_mgr)
877{
878 unsigned long flags;
879
880
881 spin_lock_irqsave(&srcimp_mgr->imap_lock, flags);
882 free_input_mapper_list(&srcimp_mgr->imappers);
883 spin_unlock_irqrestore(&srcimp_mgr->imap_lock, flags);
884
885 rsc_mgr_uninit(&srcimp_mgr->mgr);
886 kfree(srcimp_mgr);
887
888 return 0;
889}
890
