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8#include <linux/init.h>
9#include <linux/delay.h>
10#include <linux/slab.h>
11#include <linux/mutex.h>
12#include <linux/module.h>
13#include <linux/pm.h>
14#include <linux/pm_runtime.h>
15#include <sound/core.h>
16#include <sound/hda_codec.h>
17#include <sound/asoundef.h>
18#include <sound/tlv.h>
19#include <sound/initval.h>
20#include <sound/jack.h>
21#include "hda_local.h"
22#include "hda_beep.h"
23#include "hda_jack.h"
24#include <sound/hda_hwdep.h>
25#include <sound/hda_component.h>
26
27#define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28#define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29#define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31#define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
33
34
35
36
37static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
38 unsigned int flags, unsigned int *res)
39{
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
41 struct hda_bus *bus = codec->bus;
42 int err;
43
44 if (cmd == ~0)
45 return -1;
46
47 again:
48 snd_hda_power_up_pm(codec);
49 mutex_lock(&bus->core.cmd_mutex);
50 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
51 bus->no_response_fallback = 1;
52 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
53 cmd, res);
54 bus->no_response_fallback = 0;
55 mutex_unlock(&bus->core.cmd_mutex);
56 snd_hda_power_down_pm(codec);
57 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
58 if (bus->response_reset) {
59 codec_dbg(codec,
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus);
62 }
63 goto again;
64 }
65
66 if (!err || codec_in_pm(codec))
67 bus->response_reset = 0;
68 return err;
69}
70
71
72
73
74
75
76
77
78
79void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
80{
81 for (; seq->nid; seq++)
82 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
83}
84EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
85
86
87struct hda_conn_list {
88 struct list_head list;
89 int len;
90 hda_nid_t nid;
91 hda_nid_t conns[];
92};
93
94
95static struct hda_conn_list *
96lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
97{
98 struct hda_conn_list *p;
99 list_for_each_entry(p, &codec->conn_list, list) {
100 if (p->nid == nid)
101 return p;
102 }
103 return NULL;
104}
105
106static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
107 const hda_nid_t *list)
108{
109 struct hda_conn_list *p;
110
111 p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
112 if (!p)
113 return -ENOMEM;
114 p->len = len;
115 p->nid = nid;
116 memcpy(p->conns, list, len * sizeof(hda_nid_t));
117 list_add(&p->list, &codec->conn_list);
118 return 0;
119}
120
121static void remove_conn_list(struct hda_codec *codec)
122{
123 while (!list_empty(&codec->conn_list)) {
124 struct hda_conn_list *p;
125 p = list_first_entry(&codec->conn_list, typeof(*p), list);
126 list_del(&p->list);
127 kfree(p);
128 }
129}
130
131
132static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
133{
134 hda_nid_t list[32];
135 hda_nid_t *result = list;
136 int len;
137
138 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
139 if (len == -ENOSPC) {
140 len = snd_hda_get_num_raw_conns(codec, nid);
141 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
142 if (!result)
143 return -ENOMEM;
144 len = snd_hda_get_raw_connections(codec, nid, result, len);
145 }
146 if (len >= 0)
147 len = snd_hda_override_conn_list(codec, nid, len, result);
148 if (result != list)
149 kfree(result);
150 return len;
151}
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166
167
168int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
169 const hda_nid_t **listp)
170{
171 bool added = false;
172
173 for (;;) {
174 int err;
175 const struct hda_conn_list *p;
176
177
178 p = lookup_conn_list(codec, nid);
179 if (p) {
180 if (listp)
181 *listp = p->conns;
182 return p->len;
183 }
184 if (snd_BUG_ON(added))
185 return -EINVAL;
186
187 err = read_and_add_raw_conns(codec, nid);
188 if (err < 0)
189 return err;
190 added = true;
191 }
192}
193EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
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205
206
207int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
208 hda_nid_t *conn_list, int max_conns)
209{
210 const hda_nid_t *list;
211 int len = snd_hda_get_conn_list(codec, nid, &list);
212
213 if (len > 0 && conn_list) {
214 if (len > max_conns) {
215 codec_err(codec, "Too many connections %d for NID 0x%x\n",
216 len, nid);
217 return -EINVAL;
218 }
219 memcpy(conn_list, list, len * sizeof(hda_nid_t));
220 }
221
222 return len;
223}
224EXPORT_SYMBOL_GPL(snd_hda_get_connections);
225
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235
236
237
238int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
239 const hda_nid_t *list)
240{
241 struct hda_conn_list *p;
242
243 p = lookup_conn_list(codec, nid);
244 if (p) {
245 list_del(&p->list);
246 kfree(p);
247 }
248
249 return add_conn_list(codec, nid, len, list);
250}
251EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
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261
262
263
264int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
265 hda_nid_t nid, int recursive)
266{
267 const hda_nid_t *conn;
268 int i, nums;
269
270 nums = snd_hda_get_conn_list(codec, mux, &conn);
271 for (i = 0; i < nums; i++)
272 if (conn[i] == nid)
273 return i;
274 if (!recursive)
275 return -1;
276 if (recursive > 10) {
277 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
278 return -1;
279 }
280 recursive++;
281 for (i = 0; i < nums; i++) {
282 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
283 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
284 continue;
285 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
286 return i;
287 }
288 return -1;
289}
290EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
291
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297
298
299
300unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
301{
302 unsigned int wcaps = get_wcaps(codec, nid);
303 unsigned int parm;
304
305 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
306 get_wcaps_type(wcaps) != AC_WID_PIN)
307 return 0;
308
309 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
310 if (parm == -1)
311 parm = 0;
312 return parm & AC_DEV_LIST_LEN_MASK;
313}
314EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
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324
325
326int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
327 u8 *dev_list, int max_devices)
328{
329 unsigned int parm;
330 int i, dev_len, devices;
331
332 parm = snd_hda_get_num_devices(codec, nid);
333 if (!parm)
334 return 0;
335
336 dev_len = parm + 1;
337 dev_len = dev_len < max_devices ? dev_len : max_devices;
338
339 devices = 0;
340 while (devices < dev_len) {
341 if (snd_hdac_read(&codec->core, nid,
342 AC_VERB_GET_DEVICE_LIST, devices, &parm))
343 break;
344
345 for (i = 0; i < 8; i++) {
346 dev_list[devices] = (u8)parm;
347 parm >>= 4;
348 devices++;
349 if (devices >= dev_len)
350 break;
351 }
352 }
353 return devices;
354}
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363
364
365int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
366{
367
368 if (!codec->dp_mst)
369 return 0;
370
371 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
372}
373EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
374
375
376
377
378
379
380
381
382
383int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
384{
385 int ret, num_devices;
386
387
388 if (!codec->dp_mst)
389 return 0;
390
391
392 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
393
394
395
396
397 if (num_devices == 1)
398 return 0;
399
400
401
402
403 if (num_devices <= dev_id)
404 return -EINVAL;
405
406 ret = snd_hda_codec_write(codec, nid, 0,
407 AC_VERB_SET_DEVICE_SEL, dev_id);
408
409 return ret;
410}
411EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
412
413
414
415
416static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
417{
418 int i;
419 hda_nid_t nid;
420
421 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
422 if (!codec->wcaps)
423 return -ENOMEM;
424 nid = codec->core.start_nid;
425 for (i = 0; i < codec->core.num_nodes; i++, nid++)
426 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
427 nid, AC_PAR_AUDIO_WIDGET_CAP);
428 return 0;
429}
430
431
432static int read_pin_defaults(struct hda_codec *codec)
433{
434 hda_nid_t nid;
435
436 for_each_hda_codec_node(nid, codec) {
437 struct hda_pincfg *pin;
438 unsigned int wcaps = get_wcaps(codec, nid);
439 unsigned int wid_type = get_wcaps_type(wcaps);
440 if (wid_type != AC_WID_PIN)
441 continue;
442 pin = snd_array_new(&codec->init_pins);
443 if (!pin)
444 return -ENOMEM;
445 pin->nid = nid;
446 pin->cfg = snd_hda_codec_read(codec, nid, 0,
447 AC_VERB_GET_CONFIG_DEFAULT, 0);
448
449
450
451
452 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL,
454 0);
455 }
456 return 0;
457}
458
459
460static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
461 struct snd_array *array,
462 hda_nid_t nid)
463{
464 struct hda_pincfg *pin;
465 int i;
466
467 snd_array_for_each(array, i, pin) {
468 if (pin->nid == nid)
469 return pin;
470 }
471 return NULL;
472}
473
474
475
476
477int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
478 hda_nid_t nid, unsigned int cfg)
479{
480 struct hda_pincfg *pin;
481
482
483
484
485
486
487
488
489
490
491 pin = look_up_pincfg(codec, list, nid);
492 if (!pin) {
493 pin = snd_array_new(list);
494 if (!pin)
495 return -ENOMEM;
496 pin->nid = nid;
497 }
498 pin->cfg = cfg;
499 return 0;
500}
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510
511
512int snd_hda_codec_set_pincfg(struct hda_codec *codec,
513 hda_nid_t nid, unsigned int cfg)
514{
515 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
516}
517EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
518
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520
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526
527
528unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
529{
530 struct hda_pincfg *pin;
531
532#ifdef CONFIG_SND_HDA_RECONFIG
533 {
534 unsigned int cfg = 0;
535 mutex_lock(&codec->user_mutex);
536 pin = look_up_pincfg(codec, &codec->user_pins, nid);
537 if (pin)
538 cfg = pin->cfg;
539 mutex_unlock(&codec->user_mutex);
540 if (cfg)
541 return cfg;
542 }
543#endif
544 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
545 if (pin)
546 return pin->cfg;
547 pin = look_up_pincfg(codec, &codec->init_pins, nid);
548 if (pin)
549 return pin->cfg;
550 return 0;
551}
552EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
553
554
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559
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561
562
563
564int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
565 unsigned int val)
566{
567 struct hda_pincfg *pin;
568
569 pin = look_up_pincfg(codec, &codec->init_pins, nid);
570 if (!pin)
571 return -EINVAL;
572 pin->target = val;
573 return 0;
574}
575EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
576
577
578
579
580
581
582int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
583{
584 struct hda_pincfg *pin;
585
586 pin = look_up_pincfg(codec, &codec->init_pins, nid);
587 if (!pin)
588 return 0;
589 return pin->target;
590}
591EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
592
593
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595
596
597
598
599
600void snd_hda_shutup_pins(struct hda_codec *codec)
601{
602 const struct hda_pincfg *pin;
603 int i;
604
605
606
607
608 if (codec->bus->shutdown)
609 return;
610 snd_array_for_each(&codec->init_pins, i, pin) {
611
612 snd_hda_codec_read(codec, pin->nid, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
614 }
615 codec->pins_shutup = 1;
616}
617EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
618
619#ifdef CONFIG_PM
620
621static void restore_shutup_pins(struct hda_codec *codec)
622{
623 const struct hda_pincfg *pin;
624 int i;
625
626 if (!codec->pins_shutup)
627 return;
628 if (codec->bus->shutdown)
629 return;
630 snd_array_for_each(&codec->init_pins, i, pin) {
631 snd_hda_codec_write(codec, pin->nid, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL,
633 pin->ctrl);
634 }
635 codec->pins_shutup = 0;
636}
637#endif
638
639static void hda_jackpoll_work(struct work_struct *work)
640{
641 struct hda_codec *codec =
642 container_of(work, struct hda_codec, jackpoll_work.work);
643
644
645 if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
646 return;
647
648
649 snd_hda_power_up_pm(codec);
650
651 if (codec->jackpoll_interval) {
652 snd_hda_jack_set_dirty_all(codec);
653 snd_hda_jack_poll_all(codec);
654 }
655 snd_hda_power_down_pm(codec);
656
657 if (!codec->jackpoll_interval)
658 return;
659
660 schedule_delayed_work(&codec->jackpoll_work,
661 codec->jackpoll_interval);
662}
663
664
665static void free_init_pincfgs(struct hda_codec *codec)
666{
667 snd_array_free(&codec->driver_pins);
668#ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec->user_pins);
670#endif
671 snd_array_free(&codec->init_pins);
672}
673
674
675
676
677struct hda_cvt_setup {
678 hda_nid_t nid;
679 u8 stream_tag;
680 u8 channel_id;
681 u16 format_id;
682 unsigned char active;
683 unsigned char dirty;
684};
685
686
687static struct hda_cvt_setup *
688get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
689{
690 struct hda_cvt_setup *p;
691 int i;
692
693 snd_array_for_each(&codec->cvt_setups, i, p) {
694 if (p->nid == nid)
695 return p;
696 }
697 p = snd_array_new(&codec->cvt_setups);
698 if (p)
699 p->nid = nid;
700 return p;
701}
702
703
704
705
706static void release_pcm(struct kref *kref)
707{
708 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
709
710 if (pcm->pcm)
711 snd_device_free(pcm->codec->card, pcm->pcm);
712 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
713 kfree(pcm->name);
714 kfree(pcm);
715}
716
717void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
718{
719 kref_put(&pcm->kref, release_pcm);
720}
721EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
722
723struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
724 const char *fmt, ...)
725{
726 struct hda_pcm *pcm;
727 va_list args;
728
729 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
730 if (!pcm)
731 return NULL;
732
733 pcm->codec = codec;
734 kref_init(&pcm->kref);
735 va_start(args, fmt);
736 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
737 va_end(args);
738 if (!pcm->name) {
739 kfree(pcm);
740 return NULL;
741 }
742
743 list_add_tail(&pcm->list, &codec->pcm_list_head);
744 return pcm;
745}
746EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
747
748
749
750
751static void codec_release_pcms(struct hda_codec *codec)
752{
753 struct hda_pcm *pcm, *n;
754
755 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
756 list_del_init(&pcm->list);
757 if (pcm->pcm)
758 snd_device_disconnect(codec->card, pcm->pcm);
759 snd_hda_codec_pcm_put(pcm);
760 }
761}
762
763void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
764{
765 if (codec->registered) {
766
767 pm_runtime_get_noresume(hda_codec_dev(codec));
768 pm_runtime_disable(hda_codec_dev(codec));
769 codec->registered = 0;
770 }
771
772 cancel_delayed_work_sync(&codec->jackpoll_work);
773 if (!codec->in_freeing)
774 snd_hda_ctls_clear(codec);
775 codec_release_pcms(codec);
776 snd_hda_detach_beep_device(codec);
777 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
778 snd_hda_jack_tbl_clear(codec);
779 codec->proc_widget_hook = NULL;
780 codec->spec = NULL;
781
782
783 snd_array_free(&codec->driver_pins);
784 snd_array_free(&codec->cvt_setups);
785 snd_array_free(&codec->spdif_out);
786 snd_array_free(&codec->verbs);
787 codec->preset = NULL;
788 codec->follower_dig_outs = NULL;
789 codec->spdif_status_reset = 0;
790 snd_array_free(&codec->mixers);
791 snd_array_free(&codec->nids);
792 remove_conn_list(codec);
793 snd_hdac_regmap_exit(&codec->core);
794}
795EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
796
797static unsigned int hda_set_power_state(struct hda_codec *codec,
798 unsigned int power_state);
799
800
801static void codec_display_power(struct hda_codec *codec, bool enable)
802{
803 if (codec->display_power_control)
804 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
805}
806
807
808void snd_hda_codec_register(struct hda_codec *codec)
809{
810 if (codec->registered)
811 return;
812 if (device_is_registered(hda_codec_dev(codec))) {
813 codec_display_power(codec, true);
814 pm_runtime_enable(hda_codec_dev(codec));
815
816 snd_hda_power_down(codec);
817 codec->registered = 1;
818 }
819}
820
821static int snd_hda_codec_dev_register(struct snd_device *device)
822{
823 snd_hda_codec_register(device->device_data);
824 return 0;
825}
826
827static int snd_hda_codec_dev_free(struct snd_device *device)
828{
829 struct hda_codec *codec = device->device_data;
830
831 codec->in_freeing = 1;
832
833
834
835
836
837 if (codec->core.type == HDA_DEV_LEGACY)
838 snd_hdac_device_unregister(&codec->core);
839 codec_display_power(codec, false);
840
841
842
843
844
845 if (codec->core.type == HDA_DEV_LEGACY)
846 put_device(hda_codec_dev(codec));
847
848 return 0;
849}
850
851static void snd_hda_codec_dev_release(struct device *dev)
852{
853 struct hda_codec *codec = dev_to_hda_codec(dev);
854
855 free_init_pincfgs(codec);
856 snd_hdac_device_exit(&codec->core);
857 snd_hda_sysfs_clear(codec);
858 kfree(codec->modelname);
859 kfree(codec->wcaps);
860
861
862
863
864
865 if (codec->core.type == HDA_DEV_LEGACY)
866 kfree(codec);
867}
868
869#define DEV_NAME_LEN 31
870
871static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
872 unsigned int codec_addr, struct hda_codec **codecp)
873{
874 char name[DEV_NAME_LEN];
875 struct hda_codec *codec;
876 int err;
877
878 dev_dbg(card->dev, "%s: entry\n", __func__);
879
880 if (snd_BUG_ON(!bus))
881 return -EINVAL;
882 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
883 return -EINVAL;
884
885 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
886 if (!codec)
887 return -ENOMEM;
888
889 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
890 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
891 if (err < 0) {
892 kfree(codec);
893 return err;
894 }
895
896 codec->core.type = HDA_DEV_LEGACY;
897 *codecp = codec;
898
899 return err;
900}
901
902
903
904
905
906
907
908
909
910
911int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
912 unsigned int codec_addr, struct hda_codec **codecp)
913{
914 int ret;
915
916 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
917 if (ret < 0)
918 return ret;
919
920 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
921}
922EXPORT_SYMBOL_GPL(snd_hda_codec_new);
923
924int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
925 unsigned int codec_addr, struct hda_codec *codec)
926{
927 char component[31];
928 hda_nid_t fg;
929 int err;
930 static const struct snd_device_ops dev_ops = {
931 .dev_register = snd_hda_codec_dev_register,
932 .dev_free = snd_hda_codec_dev_free,
933 };
934
935 dev_dbg(card->dev, "%s: entry\n", __func__);
936
937 if (snd_BUG_ON(!bus))
938 return -EINVAL;
939 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
940 return -EINVAL;
941
942 codec->core.dev.release = snd_hda_codec_dev_release;
943 codec->core.exec_verb = codec_exec_verb;
944
945 codec->bus = bus;
946 codec->card = card;
947 codec->addr = codec_addr;
948 mutex_init(&codec->spdif_mutex);
949 mutex_init(&codec->control_mutex);
950 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
951 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
952 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
953 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
954 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
955 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
956 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
957 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
958 INIT_LIST_HEAD(&codec->conn_list);
959 INIT_LIST_HEAD(&codec->pcm_list_head);
960
961 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
962 codec->depop_delay = -1;
963 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
964
965#ifdef CONFIG_PM
966 codec->power_jiffies = jiffies;
967#endif
968
969 snd_hda_sysfs_init(codec);
970
971 if (codec->bus->modelname) {
972 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
973 if (!codec->modelname) {
974 err = -ENOMEM;
975 goto error;
976 }
977 }
978
979 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
980 err = read_widget_caps(codec, fg);
981 if (err < 0)
982 goto error;
983 err = read_pin_defaults(codec);
984 if (err < 0)
985 goto error;
986
987
988 hda_set_power_state(codec, AC_PWRST_D0);
989 codec->core.dev.power.power_state = PMSG_ON;
990
991 snd_hda_codec_proc_new(codec);
992
993 snd_hda_create_hwdep(codec);
994
995 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
996 codec->core.subsystem_id, codec->core.revision_id);
997 snd_component_add(card, component);
998
999 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1000 if (err < 0)
1001 goto error;
1002
1003 return 0;
1004
1005 error:
1006 put_device(hda_codec_dev(codec));
1007 return err;
1008}
1009EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1010
1011
1012
1013
1014
1015
1016
1017
1018int snd_hda_codec_update_widgets(struct hda_codec *codec)
1019{
1020 hda_nid_t fg;
1021 int err;
1022
1023 err = snd_hdac_refresh_widgets(&codec->core);
1024 if (err < 0)
1025 return err;
1026
1027
1028
1029
1030 kfree(codec->wcaps);
1031 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1032 err = read_widget_caps(codec, fg);
1033 if (err < 0)
1034 return err;
1035
1036 snd_array_free(&codec->init_pins);
1037 err = read_pin_defaults(codec);
1038
1039 return err;
1040}
1041EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1042
1043
1044static void update_pcm_stream_id(struct hda_codec *codec,
1045 struct hda_cvt_setup *p, hda_nid_t nid,
1046 u32 stream_tag, int channel_id)
1047{
1048 unsigned int oldval, newval;
1049
1050 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1051 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1052 newval = (stream_tag << 4) | channel_id;
1053 if (oldval != newval)
1054 snd_hda_codec_write(codec, nid, 0,
1055 AC_VERB_SET_CHANNEL_STREAMID,
1056 newval);
1057 p->stream_tag = stream_tag;
1058 p->channel_id = channel_id;
1059 }
1060}
1061
1062
1063static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1064 hda_nid_t nid, int format)
1065{
1066 unsigned int oldval;
1067
1068 if (p->format_id != format) {
1069 oldval = snd_hda_codec_read(codec, nid, 0,
1070 AC_VERB_GET_STREAM_FORMAT, 0);
1071 if (oldval != format) {
1072 msleep(1);
1073 snd_hda_codec_write(codec, nid, 0,
1074 AC_VERB_SET_STREAM_FORMAT,
1075 format);
1076 }
1077 p->format_id = format;
1078 }
1079}
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1090 u32 stream_tag,
1091 int channel_id, int format)
1092{
1093 struct hda_codec *c;
1094 struct hda_cvt_setup *p;
1095 int type;
1096 int i;
1097
1098 if (!nid)
1099 return;
1100
1101 codec_dbg(codec,
1102 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1103 nid, stream_tag, channel_id, format);
1104 p = get_hda_cvt_setup(codec, nid);
1105 if (!p)
1106 return;
1107
1108 if (codec->patch_ops.stream_pm)
1109 codec->patch_ops.stream_pm(codec, nid, true);
1110 if (codec->pcm_format_first)
1111 update_pcm_format(codec, p, nid, format);
1112 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1113 if (!codec->pcm_format_first)
1114 update_pcm_format(codec, p, nid, format);
1115
1116 p->active = 1;
1117 p->dirty = 0;
1118
1119
1120 type = get_wcaps_type(get_wcaps(codec, nid));
1121 list_for_each_codec(c, codec->bus) {
1122 snd_array_for_each(&c->cvt_setups, i, p) {
1123 if (!p->active && p->stream_tag == stream_tag &&
1124 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1125 p->dirty = 1;
1126 }
1127 }
1128}
1129EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1130
1131static void really_cleanup_stream(struct hda_codec *codec,
1132 struct hda_cvt_setup *q);
1133
1134
1135
1136
1137
1138
1139
1140void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1141 int do_now)
1142{
1143 struct hda_cvt_setup *p;
1144
1145 if (!nid)
1146 return;
1147
1148 if (codec->no_sticky_stream)
1149 do_now = 1;
1150
1151 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1152 p = get_hda_cvt_setup(codec, nid);
1153 if (p) {
1154
1155
1156
1157
1158 if (do_now)
1159 really_cleanup_stream(codec, p);
1160 else
1161 p->active = 0;
1162 }
1163}
1164EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1165
1166static void really_cleanup_stream(struct hda_codec *codec,
1167 struct hda_cvt_setup *q)
1168{
1169 hda_nid_t nid = q->nid;
1170 if (q->stream_tag || q->channel_id)
1171 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1172 if (q->format_id)
1173 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1174);
1175 memset(q, 0, sizeof(*q));
1176 q->nid = nid;
1177 if (codec->patch_ops.stream_pm)
1178 codec->patch_ops.stream_pm(codec, nid, false);
1179}
1180
1181
1182static void purify_inactive_streams(struct hda_codec *codec)
1183{
1184 struct hda_codec *c;
1185 struct hda_cvt_setup *p;
1186 int i;
1187
1188 list_for_each_codec(c, codec->bus) {
1189 snd_array_for_each(&c->cvt_setups, i, p) {
1190 if (p->dirty)
1191 really_cleanup_stream(c, p);
1192 }
1193 }
1194}
1195
1196#ifdef CONFIG_PM
1197
1198static void hda_cleanup_all_streams(struct hda_codec *codec)
1199{
1200 struct hda_cvt_setup *p;
1201 int i;
1202
1203 snd_array_for_each(&codec->cvt_setups, i, p) {
1204 if (p->stream_tag)
1205 really_cleanup_stream(codec, p);
1206 }
1207}
1208#endif
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1227{
1228 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1229 nid = codec->core.afg;
1230 return snd_hda_param_read(codec, nid,
1231 direction == HDA_OUTPUT ?
1232 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1233}
1234EXPORT_SYMBOL_GPL(query_amp_caps);
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1246 int dir, unsigned int bits)
1247{
1248 if (!nid)
1249 return false;
1250 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1251 if (query_amp_caps(codec, nid, dir) & bits)
1252 return true;
1253 return false;
1254}
1255EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1271 unsigned int caps)
1272{
1273 unsigned int parm;
1274
1275 snd_hda_override_wcaps(codec, nid,
1276 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1277 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1278 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1279}
1280EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1281
1282static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1283 int ch, int dir, int idx)
1284{
1285 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1286
1287
1288 if ((query_amp_caps(codec, nid, dir) &
1289 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1290 cmd |= AC_AMP_FAKE_MUTE;
1291 return cmd;
1292}
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1307 int ch, int dir, int idx, int mask, int val)
1308{
1309 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1310
1311 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1312}
1313EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1328 int direction, int idx, int mask, int val)
1329{
1330 int ch, ret = 0;
1331
1332 if (snd_BUG_ON(mask & ~0xff))
1333 mask &= 0xff;
1334 for (ch = 0; ch < 2; ch++)
1335 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1336 idx, mask, val);
1337 return ret;
1338}
1339EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1356 int dir, int idx, int mask, int val)
1357{
1358 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1359
1360 if (!codec->core.regmap)
1361 return -EINVAL;
1362 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1363}
1364EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1378 int dir, int idx, int mask, int val)
1379{
1380 int ch, ret = 0;
1381
1382 if (snd_BUG_ON(mask & ~0xff))
1383 mask &= 0xff;
1384 for (ch = 0; ch < 2; ch++)
1385 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1386 idx, mask, val);
1387 return ret;
1388}
1389EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1390
1391static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1392 unsigned int ofs)
1393{
1394 u32 caps = query_amp_caps(codec, nid, dir);
1395
1396 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1397 if (ofs < caps)
1398 caps -= ofs;
1399 return caps;
1400}
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1411 struct snd_ctl_elem_info *uinfo)
1412{
1413 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1414 u16 nid = get_amp_nid(kcontrol);
1415 u8 chs = get_amp_channels(kcontrol);
1416 int dir = get_amp_direction(kcontrol);
1417 unsigned int ofs = get_amp_offset(kcontrol);
1418
1419 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1420 uinfo->count = chs == 3 ? 2 : 1;
1421 uinfo->value.integer.min = 0;
1422 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1423 if (!uinfo->value.integer.max) {
1424 codec_warn(codec,
1425 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1426 nid, kcontrol->id.name);
1427 return -EINVAL;
1428 }
1429 return 0;
1430}
1431EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1432
1433
1434static inline unsigned int
1435read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1436 int ch, int dir, int idx, unsigned int ofs)
1437{
1438 unsigned int val;
1439 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1440 val &= HDA_AMP_VOLMASK;
1441 if (val >= ofs)
1442 val -= ofs;
1443 else
1444 val = 0;
1445 return val;
1446}
1447
1448static inline int
1449update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1450 int ch, int dir, int idx, unsigned int ofs,
1451 unsigned int val)
1452{
1453 unsigned int maxval;
1454
1455 if (val > 0)
1456 val += ofs;
1457
1458 maxval = get_amp_max_value(codec, nid, dir, 0);
1459 if (val > maxval)
1460 val = maxval;
1461 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1462 HDA_AMP_VOLMASK, val);
1463}
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1474 struct snd_ctl_elem_value *ucontrol)
1475{
1476 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1477 hda_nid_t nid = get_amp_nid(kcontrol);
1478 int chs = get_amp_channels(kcontrol);
1479 int dir = get_amp_direction(kcontrol);
1480 int idx = get_amp_index(kcontrol);
1481 unsigned int ofs = get_amp_offset(kcontrol);
1482 long *valp = ucontrol->value.integer.value;
1483
1484 if (chs & 1)
1485 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1486 if (chs & 2)
1487 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1488 return 0;
1489}
1490EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1501 struct snd_ctl_elem_value *ucontrol)
1502{
1503 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1504 hda_nid_t nid = get_amp_nid(kcontrol);
1505 int chs = get_amp_channels(kcontrol);
1506 int dir = get_amp_direction(kcontrol);
1507 int idx = get_amp_index(kcontrol);
1508 unsigned int ofs = get_amp_offset(kcontrol);
1509 long *valp = ucontrol->value.integer.value;
1510 int change = 0;
1511
1512 if (chs & 1) {
1513 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1514 valp++;
1515 }
1516 if (chs & 2)
1517 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1518 return change;
1519}
1520EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1521
1522
1523static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1524{
1525 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1526 hda_nid_t nid = get_amp_nid(kcontrol);
1527 int dir = get_amp_direction(kcontrol);
1528 unsigned int ofs = get_amp_offset(kcontrol);
1529 bool min_mute = get_amp_min_mute(kcontrol);
1530 u32 caps, val1, val2;
1531
1532 caps = query_amp_caps(codec, nid, dir);
1533 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1534 val2 = (val2 + 1) * 25;
1535 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1536 val1 += ofs;
1537 val1 = ((int)val1) * ((int)val2);
1538 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1539 val2 |= TLV_DB_SCALE_MUTE;
1540 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1541 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1542 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1543 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1544}
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1557 unsigned int size, unsigned int __user *_tlv)
1558{
1559 unsigned int tlv[4];
1560
1561 if (size < 4 * sizeof(unsigned int))
1562 return -ENOMEM;
1563 get_ctl_amp_tlv(kcontrol, tlv);
1564 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1565 return -EFAULT;
1566 return 0;
1567}
1568EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1582 unsigned int *tlv)
1583{
1584 u32 caps;
1585 int nums, step;
1586
1587 caps = query_amp_caps(codec, nid, dir);
1588 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1589 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1590 step = (step + 1) * 25;
1591 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1592 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1593 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1594 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1595}
1596EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1597
1598
1599static struct snd_kcontrol *
1600find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1601{
1602 struct snd_ctl_elem_id id;
1603 memset(&id, 0, sizeof(id));
1604 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1605 id.device = dev;
1606 id.index = idx;
1607 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1608 return NULL;
1609 strcpy(id.name, name);
1610 return snd_ctl_find_id(codec->card, &id);
1611}
1612
1613
1614
1615
1616
1617
1618
1619
1620struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1621 const char *name)
1622{
1623 return find_mixer_ctl(codec, name, 0, 0);
1624}
1625EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1626
1627static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1628 int start_idx)
1629{
1630 int i, idx;
1631
1632 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1633 if (!find_mixer_ctl(codec, name, 0, idx))
1634 return idx;
1635 }
1636 return -EBUSY;
1637}
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1659 struct snd_kcontrol *kctl)
1660{
1661 int err;
1662 unsigned short flags = 0;
1663 struct hda_nid_item *item;
1664
1665 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1666 flags |= HDA_NID_ITEM_AMP;
1667 if (nid == 0)
1668 nid = get_amp_nid_(kctl->private_value);
1669 }
1670 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1671 nid = kctl->id.subdevice & 0xffff;
1672 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1673 kctl->id.subdevice = 0;
1674 err = snd_ctl_add(codec->card, kctl);
1675 if (err < 0)
1676 return err;
1677 item = snd_array_new(&codec->mixers);
1678 if (!item)
1679 return -ENOMEM;
1680 item->kctl = kctl;
1681 item->nid = nid;
1682 item->flags = flags;
1683 return 0;
1684}
1685EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1699 unsigned int index, hda_nid_t nid)
1700{
1701 struct hda_nid_item *item;
1702
1703 if (nid > 0) {
1704 item = snd_array_new(&codec->nids);
1705 if (!item)
1706 return -ENOMEM;
1707 item->kctl = kctl;
1708 item->index = index;
1709 item->nid = nid;
1710 return 0;
1711 }
1712 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1713 kctl->id.name, kctl->id.index, index);
1714 return -EINVAL;
1715}
1716EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1717
1718
1719
1720
1721
1722void snd_hda_ctls_clear(struct hda_codec *codec)
1723{
1724 int i;
1725 struct hda_nid_item *items = codec->mixers.list;
1726 for (i = 0; i < codec->mixers.used; i++)
1727 snd_ctl_remove(codec->card, items[i].kctl);
1728 snd_array_free(&codec->mixers);
1729 snd_array_free(&codec->nids);
1730}
1731
1732
1733
1734
1735
1736
1737
1738int snd_hda_lock_devices(struct hda_bus *bus)
1739{
1740 struct snd_card *card = bus->card;
1741 struct hda_codec *codec;
1742
1743 spin_lock(&card->files_lock);
1744 if (card->shutdown)
1745 goto err_unlock;
1746 card->shutdown = 1;
1747 if (!list_empty(&card->ctl_files))
1748 goto err_clear;
1749
1750 list_for_each_codec(codec, bus) {
1751 struct hda_pcm *cpcm;
1752 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1753 if (!cpcm->pcm)
1754 continue;
1755 if (cpcm->pcm->streams[0].substream_opened ||
1756 cpcm->pcm->streams[1].substream_opened)
1757 goto err_clear;
1758 }
1759 }
1760 spin_unlock(&card->files_lock);
1761 return 0;
1762
1763 err_clear:
1764 card->shutdown = 0;
1765 err_unlock:
1766 spin_unlock(&card->files_lock);
1767 return -EINVAL;
1768}
1769EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1770
1771
1772
1773
1774
1775void snd_hda_unlock_devices(struct hda_bus *bus)
1776{
1777 struct snd_card *card = bus->card;
1778
1779 spin_lock(&card->files_lock);
1780 card->shutdown = 0;
1781 spin_unlock(&card->files_lock);
1782}
1783EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795int snd_hda_codec_reset(struct hda_codec *codec)
1796{
1797 struct hda_bus *bus = codec->bus;
1798
1799 if (snd_hda_lock_devices(bus) < 0)
1800 return -EBUSY;
1801
1802
1803 snd_hdac_device_unregister(&codec->core);
1804
1805
1806 snd_hda_unlock_devices(bus);
1807 return 0;
1808}
1809
1810typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1811
1812
1813static int map_followers(struct hda_codec *codec, const char * const *followers,
1814 const char *suffix, map_follower_func_t func, void *data)
1815{
1816 struct hda_nid_item *items;
1817 const char * const *s;
1818 int i, err;
1819
1820 items = codec->mixers.list;
1821 for (i = 0; i < codec->mixers.used; i++) {
1822 struct snd_kcontrol *sctl = items[i].kctl;
1823 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1824 continue;
1825 for (s = followers; *s; s++) {
1826 char tmpname[sizeof(sctl->id.name)];
1827 const char *name = *s;
1828 if (suffix) {
1829 snprintf(tmpname, sizeof(tmpname), "%s %s",
1830 name, suffix);
1831 name = tmpname;
1832 }
1833 if (!strcmp(sctl->id.name, name)) {
1834 err = func(codec, data, sctl);
1835 if (err)
1836 return err;
1837 break;
1838 }
1839 }
1840 }
1841 return 0;
1842}
1843
1844static int check_follower_present(struct hda_codec *codec,
1845 void *data, struct snd_kcontrol *sctl)
1846{
1847 return 1;
1848}
1849
1850
1851static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1852{
1853 struct snd_ctl_elem_value *ucontrol;
1854 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1855 if (!ucontrol)
1856 return -ENOMEM;
1857 ucontrol->value.integer.value[0] = val;
1858 ucontrol->value.integer.value[1] = val;
1859 kctl->put(kctl, ucontrol);
1860 kfree(ucontrol);
1861 return 0;
1862}
1863
1864struct follower_init_arg {
1865 struct hda_codec *codec;
1866 int step;
1867};
1868
1869
1870static int init_follower_0dB(struct snd_kcontrol *follower,
1871 struct snd_kcontrol *kctl,
1872 void *_arg)
1873{
1874 struct follower_init_arg *arg = _arg;
1875 int _tlv[4];
1876 const int *tlv = NULL;
1877 int step;
1878 int val;
1879
1880 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1881 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1882 codec_err(arg->codec,
1883 "Unexpected TLV callback for follower %s:%d\n",
1884 kctl->id.name, kctl->id.index);
1885 return 0;
1886 }
1887 get_ctl_amp_tlv(kctl, _tlv);
1888 tlv = _tlv;
1889 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1890 tlv = kctl->tlv.p;
1891
1892 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1893 return 0;
1894
1895 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1896 step &= ~TLV_DB_SCALE_MUTE;
1897 if (!step)
1898 return 0;
1899 if (arg->step && arg->step != step) {
1900 codec_err(arg->codec,
1901 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1902 arg->step, step);
1903 return 0;
1904 }
1905
1906 arg->step = step;
1907 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1908 if (val > 0) {
1909 put_kctl_with_value(follower, val);
1910 return val;
1911 }
1912
1913 return 0;
1914}
1915
1916
1917static int init_follower_unmute(struct snd_kcontrol *follower,
1918 struct snd_kcontrol *kctl,
1919 void *_arg)
1920{
1921 return put_kctl_with_value(follower, 1);
1922}
1923
1924static int add_follower(struct hda_codec *codec,
1925 void *data, struct snd_kcontrol *follower)
1926{
1927 return snd_ctl_add_follower(data, follower);
1928}
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1950 unsigned int *tlv, const char * const *followers,
1951 const char *suffix, bool init_follower_vol,
1952 struct snd_kcontrol **ctl_ret)
1953{
1954 struct snd_kcontrol *kctl;
1955 int err;
1956
1957 if (ctl_ret)
1958 *ctl_ret = NULL;
1959
1960 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
1961 if (err != 1) {
1962 codec_dbg(codec, "No follower found for %s\n", name);
1963 return 0;
1964 }
1965 kctl = snd_ctl_make_virtual_master(name, tlv);
1966 if (!kctl)
1967 return -ENOMEM;
1968 err = snd_hda_ctl_add(codec, 0, kctl);
1969 if (err < 0)
1970 return err;
1971
1972 err = map_followers(codec, followers, suffix, add_follower, kctl);
1973 if (err < 0)
1974 return err;
1975
1976
1977 put_kctl_with_value(kctl, 0);
1978 if (init_follower_vol) {
1979 struct follower_init_arg arg = {
1980 .codec = codec,
1981 .step = 0,
1982 };
1983 snd_ctl_apply_vmaster_followers(kctl,
1984 tlv ? init_follower_0dB : init_follower_unmute,
1985 &arg);
1986 }
1987
1988 if (ctl_ret)
1989 *ctl_ret = kctl;
1990 return 0;
1991}
1992EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1993
1994
1995
1996
1997static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1998 struct snd_ctl_elem_info *uinfo)
1999{
2000 static const char * const texts[] = {
2001 "On", "Off", "Follow Master"
2002 };
2003
2004 return snd_ctl_enum_info(uinfo, 1, 3, texts);
2005}
2006
2007static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
2008 struct snd_ctl_elem_value *ucontrol)
2009{
2010 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2011 ucontrol->value.enumerated.item[0] = hook->mute_mode;
2012 return 0;
2013}
2014
2015static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2016 struct snd_ctl_elem_value *ucontrol)
2017{
2018 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2019 unsigned int old_mode = hook->mute_mode;
2020
2021 hook->mute_mode = ucontrol->value.enumerated.item[0];
2022 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2023 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2024 if (old_mode == hook->mute_mode)
2025 return 0;
2026 snd_hda_sync_vmaster_hook(hook);
2027 return 1;
2028}
2029
2030static const struct snd_kcontrol_new vmaster_mute_mode = {
2031 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2032 .name = "Mute-LED Mode",
2033 .info = vmaster_mute_mode_info,
2034 .get = vmaster_mute_mode_get,
2035 .put = vmaster_mute_mode_put,
2036};
2037
2038
2039static void vmaster_hook(void *private_data, int enabled)
2040{
2041 struct hda_vmaster_mute_hook *hook = private_data;
2042
2043 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2044 enabled = hook->mute_mode;
2045 hook->hook(hook->codec, enabled);
2046}
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2059 struct hda_vmaster_mute_hook *hook,
2060 bool expose_enum_ctl)
2061{
2062 struct snd_kcontrol *kctl;
2063
2064 if (!hook->hook || !hook->sw_kctl)
2065 return 0;
2066 hook->codec = codec;
2067 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2068 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2069 if (!expose_enum_ctl)
2070 return 0;
2071 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2072 if (!kctl)
2073 return -ENOMEM;
2074 return snd_hda_ctl_add(codec, 0, kctl);
2075}
2076EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2077
2078
2079
2080
2081
2082
2083
2084
2085void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2086{
2087 if (!hook->hook || !hook->codec)
2088 return;
2089
2090
2091
2092 if (hook->codec->bus->shutdown)
2093 return;
2094 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2095}
2096EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2108 struct snd_ctl_elem_info *uinfo)
2109{
2110 int chs = get_amp_channels(kcontrol);
2111
2112 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2113 uinfo->count = chs == 3 ? 2 : 1;
2114 uinfo->value.integer.min = 0;
2115 uinfo->value.integer.max = 1;
2116 return 0;
2117}
2118EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2129 struct snd_ctl_elem_value *ucontrol)
2130{
2131 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2132 hda_nid_t nid = get_amp_nid(kcontrol);
2133 int chs = get_amp_channels(kcontrol);
2134 int dir = get_amp_direction(kcontrol);
2135 int idx = get_amp_index(kcontrol);
2136 long *valp = ucontrol->value.integer.value;
2137
2138 if (chs & 1)
2139 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2140 HDA_AMP_MUTE) ? 0 : 1;
2141 if (chs & 2)
2142 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2143 HDA_AMP_MUTE) ? 0 : 1;
2144 return 0;
2145}
2146EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2157 struct snd_ctl_elem_value *ucontrol)
2158{
2159 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2160 hda_nid_t nid = get_amp_nid(kcontrol);
2161 int chs = get_amp_channels(kcontrol);
2162 int dir = get_amp_direction(kcontrol);
2163 int idx = get_amp_index(kcontrol);
2164 long *valp = ucontrol->value.integer.value;
2165 int change = 0;
2166
2167 if (chs & 1) {
2168 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2169 HDA_AMP_MUTE,
2170 *valp ? 0 : HDA_AMP_MUTE);
2171 valp++;
2172 }
2173 if (chs & 2)
2174 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2175 HDA_AMP_MUTE,
2176 *valp ? 0 : HDA_AMP_MUTE);
2177 hda_call_check_power_status(codec, nid);
2178 return change;
2179}
2180EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2181
2182
2183
2184
2185
2186static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2187 struct snd_ctl_elem_info *uinfo)
2188{
2189 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2190 uinfo->count = 1;
2191 return 0;
2192}
2193
2194static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2195 struct snd_ctl_elem_value *ucontrol)
2196{
2197 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2198 IEC958_AES0_NONAUDIO |
2199 IEC958_AES0_CON_EMPHASIS_5015 |
2200 IEC958_AES0_CON_NOT_COPYRIGHT;
2201 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2202 IEC958_AES1_CON_ORIGINAL;
2203 return 0;
2204}
2205
2206static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2207 struct snd_ctl_elem_value *ucontrol)
2208{
2209 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2210 IEC958_AES0_NONAUDIO |
2211 IEC958_AES0_PRO_EMPHASIS_5015;
2212 return 0;
2213}
2214
2215static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2216 struct snd_ctl_elem_value *ucontrol)
2217{
2218 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2219 int idx = kcontrol->private_value;
2220 struct hda_spdif_out *spdif;
2221
2222 if (WARN_ON(codec->spdif_out.used <= idx))
2223 return -EINVAL;
2224 mutex_lock(&codec->spdif_mutex);
2225 spdif = snd_array_elem(&codec->spdif_out, idx);
2226 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2227 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2228 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2229 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2230 mutex_unlock(&codec->spdif_mutex);
2231
2232 return 0;
2233}
2234
2235
2236
2237
2238static unsigned short convert_from_spdif_status(unsigned int sbits)
2239{
2240 unsigned short val = 0;
2241
2242 if (sbits & IEC958_AES0_PROFESSIONAL)
2243 val |= AC_DIG1_PROFESSIONAL;
2244 if (sbits & IEC958_AES0_NONAUDIO)
2245 val |= AC_DIG1_NONAUDIO;
2246 if (sbits & IEC958_AES0_PROFESSIONAL) {
2247 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2248 IEC958_AES0_PRO_EMPHASIS_5015)
2249 val |= AC_DIG1_EMPHASIS;
2250 } else {
2251 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2252 IEC958_AES0_CON_EMPHASIS_5015)
2253 val |= AC_DIG1_EMPHASIS;
2254 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2255 val |= AC_DIG1_COPYRIGHT;
2256 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2257 val |= AC_DIG1_LEVEL;
2258 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2259 }
2260 return val;
2261}
2262
2263
2264
2265static unsigned int convert_to_spdif_status(unsigned short val)
2266{
2267 unsigned int sbits = 0;
2268
2269 if (val & AC_DIG1_NONAUDIO)
2270 sbits |= IEC958_AES0_NONAUDIO;
2271 if (val & AC_DIG1_PROFESSIONAL)
2272 sbits |= IEC958_AES0_PROFESSIONAL;
2273 if (sbits & IEC958_AES0_PROFESSIONAL) {
2274 if (val & AC_DIG1_EMPHASIS)
2275 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2276 } else {
2277 if (val & AC_DIG1_EMPHASIS)
2278 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2279 if (!(val & AC_DIG1_COPYRIGHT))
2280 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2281 if (val & AC_DIG1_LEVEL)
2282 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2283 sbits |= val & (0x7f << 8);
2284 }
2285 return sbits;
2286}
2287
2288
2289static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2290 int mask, int val)
2291{
2292 const hda_nid_t *d;
2293
2294 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2295 mask, val);
2296 d = codec->follower_dig_outs;
2297 if (!d)
2298 return;
2299 for (; *d; d++)
2300 snd_hdac_regmap_update(&codec->core, *d,
2301 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2302}
2303
2304static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2305 int dig1, int dig2)
2306{
2307 unsigned int mask = 0;
2308 unsigned int val = 0;
2309
2310 if (dig1 != -1) {
2311 mask |= 0xff;
2312 val = dig1;
2313 }
2314 if (dig2 != -1) {
2315 mask |= 0xff00;
2316 val |= dig2 << 8;
2317 }
2318 set_dig_out(codec, nid, mask, val);
2319}
2320
2321static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2322 struct snd_ctl_elem_value *ucontrol)
2323{
2324 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2325 int idx = kcontrol->private_value;
2326 struct hda_spdif_out *spdif;
2327 hda_nid_t nid;
2328 unsigned short val;
2329 int change;
2330
2331 if (WARN_ON(codec->spdif_out.used <= idx))
2332 return -EINVAL;
2333 mutex_lock(&codec->spdif_mutex);
2334 spdif = snd_array_elem(&codec->spdif_out, idx);
2335 nid = spdif->nid;
2336 spdif->status = ucontrol->value.iec958.status[0] |
2337 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2338 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2339 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2340 val = convert_from_spdif_status(spdif->status);
2341 val |= spdif->ctls & 1;
2342 change = spdif->ctls != val;
2343 spdif->ctls = val;
2344 if (change && nid != (u16)-1)
2345 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2346 mutex_unlock(&codec->spdif_mutex);
2347 return change;
2348}
2349
2350#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2351
2352static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2353 struct snd_ctl_elem_value *ucontrol)
2354{
2355 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2356 int idx = kcontrol->private_value;
2357 struct hda_spdif_out *spdif;
2358
2359 if (WARN_ON(codec->spdif_out.used <= idx))
2360 return -EINVAL;
2361 mutex_lock(&codec->spdif_mutex);
2362 spdif = snd_array_elem(&codec->spdif_out, idx);
2363 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2364 mutex_unlock(&codec->spdif_mutex);
2365 return 0;
2366}
2367
2368static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2369 int dig1, int dig2)
2370{
2371 set_dig_out_convert(codec, nid, dig1, dig2);
2372
2373 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2374 (dig1 & AC_DIG1_ENABLE))
2375 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2376 HDA_AMP_MUTE, 0);
2377}
2378
2379static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2380 struct snd_ctl_elem_value *ucontrol)
2381{
2382 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2383 int idx = kcontrol->private_value;
2384 struct hda_spdif_out *spdif;
2385 hda_nid_t nid;
2386 unsigned short val;
2387 int change;
2388
2389 if (WARN_ON(codec->spdif_out.used <= idx))
2390 return -EINVAL;
2391 mutex_lock(&codec->spdif_mutex);
2392 spdif = snd_array_elem(&codec->spdif_out, idx);
2393 nid = spdif->nid;
2394 val = spdif->ctls & ~AC_DIG1_ENABLE;
2395 if (ucontrol->value.integer.value[0])
2396 val |= AC_DIG1_ENABLE;
2397 change = spdif->ctls != val;
2398 spdif->ctls = val;
2399 if (change && nid != (u16)-1)
2400 set_spdif_ctls(codec, nid, val & 0xff, -1);
2401 mutex_unlock(&codec->spdif_mutex);
2402 return change;
2403}
2404
2405static const struct snd_kcontrol_new dig_mixes[] = {
2406 {
2407 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2408 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2409 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2410 .info = snd_hda_spdif_mask_info,
2411 .get = snd_hda_spdif_cmask_get,
2412 },
2413 {
2414 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2415 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2416 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2417 .info = snd_hda_spdif_mask_info,
2418 .get = snd_hda_spdif_pmask_get,
2419 },
2420 {
2421 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2422 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2423 .info = snd_hda_spdif_mask_info,
2424 .get = snd_hda_spdif_default_get,
2425 .put = snd_hda_spdif_default_put,
2426 },
2427 {
2428 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2429 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2430 .info = snd_hda_spdif_out_switch_info,
2431 .get = snd_hda_spdif_out_switch_get,
2432 .put = snd_hda_spdif_out_switch_put,
2433 },
2434 { }
2435};
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2449 hda_nid_t associated_nid,
2450 hda_nid_t cvt_nid,
2451 int type)
2452{
2453 int err;
2454 struct snd_kcontrol *kctl;
2455 const struct snd_kcontrol_new *dig_mix;
2456 int idx = 0;
2457 int val = 0;
2458 const int spdif_index = 16;
2459 struct hda_spdif_out *spdif;
2460 struct hda_bus *bus = codec->bus;
2461
2462 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2463 type == HDA_PCM_TYPE_SPDIF) {
2464 idx = spdif_index;
2465 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2466 type == HDA_PCM_TYPE_HDMI) {
2467
2468 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2469 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2470 if (!kctl)
2471 break;
2472 kctl->id.index = spdif_index;
2473 }
2474 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2475 }
2476 if (!bus->primary_dig_out_type)
2477 bus->primary_dig_out_type = type;
2478
2479 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2480 if (idx < 0) {
2481 codec_err(codec, "too many IEC958 outputs\n");
2482 return -EBUSY;
2483 }
2484 spdif = snd_array_new(&codec->spdif_out);
2485 if (!spdif)
2486 return -ENOMEM;
2487 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2488 kctl = snd_ctl_new1(dig_mix, codec);
2489 if (!kctl)
2490 return -ENOMEM;
2491 kctl->id.index = idx;
2492 kctl->private_value = codec->spdif_out.used - 1;
2493 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2494 if (err < 0)
2495 return err;
2496 }
2497 spdif->nid = cvt_nid;
2498 snd_hdac_regmap_read(&codec->core, cvt_nid,
2499 AC_VERB_GET_DIGI_CONVERT_1, &val);
2500 spdif->ctls = val;
2501 spdif->status = convert_to_spdif_status(spdif->ctls);
2502 return 0;
2503}
2504EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2505
2506
2507
2508
2509
2510
2511
2512
2513struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2514 hda_nid_t nid)
2515{
2516 struct hda_spdif_out *spdif;
2517 int i;
2518
2519 snd_array_for_each(&codec->spdif_out, i, spdif) {
2520 if (spdif->nid == nid)
2521 return spdif;
2522 }
2523 return NULL;
2524}
2525EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2526
2527
2528
2529
2530
2531
2532
2533
2534void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2535{
2536 struct hda_spdif_out *spdif;
2537
2538 if (WARN_ON(codec->spdif_out.used <= idx))
2539 return;
2540 mutex_lock(&codec->spdif_mutex);
2541 spdif = snd_array_elem(&codec->spdif_out, idx);
2542 spdif->nid = (u16)-1;
2543 mutex_unlock(&codec->spdif_mutex);
2544}
2545EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2556{
2557 struct hda_spdif_out *spdif;
2558 unsigned short val;
2559
2560 if (WARN_ON(codec->spdif_out.used <= idx))
2561 return;
2562 mutex_lock(&codec->spdif_mutex);
2563 spdif = snd_array_elem(&codec->spdif_out, idx);
2564 if (spdif->nid != nid) {
2565 spdif->nid = nid;
2566 val = spdif->ctls;
2567 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2568 }
2569 mutex_unlock(&codec->spdif_mutex);
2570}
2571EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2572
2573
2574
2575
2576static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2577 struct snd_ctl_elem_value *ucontrol)
2578{
2579 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2580 ucontrol->value.integer.value[0] = mout->share_spdif;
2581 return 0;
2582}
2583
2584static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2585 struct snd_ctl_elem_value *ucontrol)
2586{
2587 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2588 mout->share_spdif = !!ucontrol->value.integer.value[0];
2589 return 0;
2590}
2591
2592static const struct snd_kcontrol_new spdif_share_sw = {
2593 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2594 .name = "IEC958 Default PCM Playback Switch",
2595 .info = snd_ctl_boolean_mono_info,
2596 .get = spdif_share_sw_get,
2597 .put = spdif_share_sw_put,
2598};
2599
2600
2601
2602
2603
2604
2605int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2606 struct hda_multi_out *mout)
2607{
2608 struct snd_kcontrol *kctl;
2609
2610 if (!mout->dig_out_nid)
2611 return 0;
2612
2613 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2614 if (!kctl)
2615 return -ENOMEM;
2616
2617 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2618}
2619EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2620
2621
2622
2623
2624
2625#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2626
2627static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2628 struct snd_ctl_elem_value *ucontrol)
2629{
2630 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2631
2632 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2633 return 0;
2634}
2635
2636static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2637 struct snd_ctl_elem_value *ucontrol)
2638{
2639 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2640 hda_nid_t nid = kcontrol->private_value;
2641 unsigned int val = !!ucontrol->value.integer.value[0];
2642 int change;
2643
2644 mutex_lock(&codec->spdif_mutex);
2645 change = codec->spdif_in_enable != val;
2646 if (change) {
2647 codec->spdif_in_enable = val;
2648 snd_hdac_regmap_write(&codec->core, nid,
2649 AC_VERB_SET_DIGI_CONVERT_1, val);
2650 }
2651 mutex_unlock(&codec->spdif_mutex);
2652 return change;
2653}
2654
2655static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2656 struct snd_ctl_elem_value *ucontrol)
2657{
2658 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2659 hda_nid_t nid = kcontrol->private_value;
2660 unsigned int val;
2661 unsigned int sbits;
2662
2663 snd_hdac_regmap_read(&codec->core, nid,
2664 AC_VERB_GET_DIGI_CONVERT_1, &val);
2665 sbits = convert_to_spdif_status(val);
2666 ucontrol->value.iec958.status[0] = sbits;
2667 ucontrol->value.iec958.status[1] = sbits >> 8;
2668 ucontrol->value.iec958.status[2] = sbits >> 16;
2669 ucontrol->value.iec958.status[3] = sbits >> 24;
2670 return 0;
2671}
2672
2673static const struct snd_kcontrol_new dig_in_ctls[] = {
2674 {
2675 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2676 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2677 .info = snd_hda_spdif_in_switch_info,
2678 .get = snd_hda_spdif_in_switch_get,
2679 .put = snd_hda_spdif_in_switch_put,
2680 },
2681 {
2682 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2683 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2684 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2685 .info = snd_hda_spdif_mask_info,
2686 .get = snd_hda_spdif_in_status_get,
2687 },
2688 { }
2689};
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2702{
2703 int err;
2704 struct snd_kcontrol *kctl;
2705 const struct snd_kcontrol_new *dig_mix;
2706 int idx;
2707
2708 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2709 if (idx < 0) {
2710 codec_err(codec, "too many IEC958 inputs\n");
2711 return -EBUSY;
2712 }
2713 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2714 kctl = snd_ctl_new1(dig_mix, codec);
2715 if (!kctl)
2716 return -ENOMEM;
2717 kctl->private_value = nid;
2718 err = snd_hda_ctl_add(codec, nid, kctl);
2719 if (err < 0)
2720 return err;
2721 }
2722 codec->spdif_in_enable =
2723 snd_hda_codec_read(codec, nid, 0,
2724 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2725 AC_DIG1_ENABLE;
2726 return 0;
2727}
2728EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2741 unsigned int power_state)
2742{
2743 hda_nid_t nid;
2744
2745 for_each_hda_codec_node(nid, codec) {
2746 unsigned int wcaps = get_wcaps(codec, nid);
2747 unsigned int state = power_state;
2748 if (!(wcaps & AC_WCAP_POWER))
2749 continue;
2750 if (codec->power_filter) {
2751 state = codec->power_filter(codec, nid, power_state);
2752 if (state != power_state && power_state == AC_PWRST_D3)
2753 continue;
2754 }
2755 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2756 state);
2757 }
2758}
2759EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2771 hda_nid_t nid,
2772 unsigned int power_state)
2773{
2774 if (nid == codec->core.afg || nid == codec->core.mfg)
2775 return power_state;
2776 if (power_state == AC_PWRST_D3 &&
2777 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2778 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2779 int eapd = snd_hda_codec_read(codec, nid, 0,
2780 AC_VERB_GET_EAPD_BTLENABLE, 0);
2781 if (eapd & 0x02)
2782 return AC_PWRST_D0;
2783 }
2784 return power_state;
2785}
2786EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2787
2788
2789
2790
2791static unsigned int hda_set_power_state(struct hda_codec *codec,
2792 unsigned int power_state)
2793{
2794 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2795 int count;
2796 unsigned int state;
2797 int flags = 0;
2798
2799
2800 if (power_state == AC_PWRST_D3) {
2801 if (codec->depop_delay < 0)
2802 msleep(codec_has_epss(codec) ? 10 : 100);
2803 else if (codec->depop_delay > 0)
2804 msleep(codec->depop_delay);
2805 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2806 }
2807
2808
2809 for (count = 0; count < 10; count++) {
2810 if (codec->patch_ops.set_power_state)
2811 codec->patch_ops.set_power_state(codec, fg,
2812 power_state);
2813 else {
2814 state = power_state;
2815 if (codec->power_filter)
2816 state = codec->power_filter(codec, fg, state);
2817 if (state == power_state || power_state != AC_PWRST_D3)
2818 snd_hda_codec_read(codec, fg, flags,
2819 AC_VERB_SET_POWER_STATE,
2820 state);
2821 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2822 }
2823 state = snd_hda_sync_power_state(codec, fg, power_state);
2824 if (!(state & AC_PWRST_ERROR))
2825 break;
2826 }
2827
2828 return state;
2829}
2830
2831
2832
2833
2834static void sync_power_up_states(struct hda_codec *codec)
2835{
2836 hda_nid_t nid;
2837
2838
2839 if (!codec->power_filter)
2840 return;
2841
2842 for_each_hda_codec_node(nid, codec) {
2843 unsigned int wcaps = get_wcaps(codec, nid);
2844 unsigned int target;
2845 if (!(wcaps & AC_WCAP_POWER))
2846 continue;
2847 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2848 if (target == AC_PWRST_D0)
2849 continue;
2850 if (!snd_hda_check_power_state(codec, nid, target))
2851 snd_hda_codec_write(codec, nid, 0,
2852 AC_VERB_SET_POWER_STATE, target);
2853 }
2854}
2855
2856#ifdef CONFIG_SND_HDA_RECONFIG
2857
2858static void hda_exec_init_verbs(struct hda_codec *codec)
2859{
2860 if (codec->init_verbs.list)
2861 snd_hda_sequence_write(codec, codec->init_verbs.list);
2862}
2863#else
2864static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2865#endif
2866
2867#ifdef CONFIG_PM
2868
2869static void update_power_acct(struct hda_codec *codec, bool on)
2870{
2871 unsigned long delta = jiffies - codec->power_jiffies;
2872
2873 if (on)
2874 codec->power_on_acct += delta;
2875 else
2876 codec->power_off_acct += delta;
2877 codec->power_jiffies += delta;
2878}
2879
2880void snd_hda_update_power_acct(struct hda_codec *codec)
2881{
2882 update_power_acct(codec, hda_codec_is_power_on(codec));
2883}
2884
2885
2886
2887
2888
2889static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2890{
2891 unsigned int state;
2892
2893 snd_hdac_enter_pm(&codec->core);
2894 if (codec->patch_ops.suspend)
2895 codec->patch_ops.suspend(codec);
2896 hda_cleanup_all_streams(codec);
2897 state = hda_set_power_state(codec, AC_PWRST_D3);
2898 update_power_acct(codec, true);
2899 snd_hdac_leave_pm(&codec->core);
2900 return state;
2901}
2902
2903
2904
2905
2906static void hda_call_codec_resume(struct hda_codec *codec)
2907{
2908 snd_hdac_enter_pm(&codec->core);
2909 if (codec->core.regmap)
2910 regcache_mark_dirty(codec->core.regmap);
2911
2912 codec->power_jiffies = jiffies;
2913
2914 hda_set_power_state(codec, AC_PWRST_D0);
2915 restore_shutup_pins(codec);
2916 hda_exec_init_verbs(codec);
2917 snd_hda_jack_set_dirty_all(codec);
2918 if (codec->patch_ops.resume)
2919 codec->patch_ops.resume(codec);
2920 else {
2921 if (codec->patch_ops.init)
2922 codec->patch_ops.init(codec);
2923 snd_hda_regmap_sync(codec);
2924 }
2925
2926 if (codec->jackpoll_interval)
2927 hda_jackpoll_work(&codec->jackpoll_work.work);
2928 else
2929 snd_hda_jack_report_sync(codec);
2930 codec->core.dev.power.power_state = PMSG_ON;
2931 snd_hdac_leave_pm(&codec->core);
2932}
2933
2934static int hda_codec_runtime_suspend(struct device *dev)
2935{
2936 struct hda_codec *codec = dev_to_hda_codec(dev);
2937 unsigned int state;
2938
2939
2940 if (!codec->card)
2941 return 0;
2942
2943 cancel_delayed_work_sync(&codec->jackpoll_work);
2944 state = hda_call_codec_suspend(codec);
2945 if (codec->link_down_at_suspend ||
2946 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2947 (state & AC_PWRST_CLK_STOP_OK)))
2948 snd_hdac_codec_link_down(&codec->core);
2949 codec_display_power(codec, false);
2950 return 0;
2951}
2952
2953static int hda_codec_runtime_resume(struct device *dev)
2954{
2955 struct hda_codec *codec = dev_to_hda_codec(dev);
2956
2957
2958 if (!codec->card)
2959 return 0;
2960
2961 codec_display_power(codec, true);
2962 snd_hdac_codec_link_up(&codec->core);
2963 hda_call_codec_resume(codec);
2964 pm_runtime_mark_last_busy(dev);
2965 return 0;
2966}
2967#endif
2968
2969#ifdef CONFIG_PM_SLEEP
2970static int hda_codec_force_resume(struct device *dev)
2971{
2972 struct hda_codec *codec = dev_to_hda_codec(dev);
2973 int ret;
2974
2975 ret = pm_runtime_force_resume(dev);
2976
2977 if (codec->jackpoll_interval ||
2978 (pm_runtime_suspended(dev) && hda_codec_need_resume(codec)))
2979 schedule_delayed_work(&codec->jackpoll_work,
2980 codec->jackpoll_interval);
2981 return ret;
2982}
2983
2984static int hda_codec_pm_suspend(struct device *dev)
2985{
2986 dev->power.power_state = PMSG_SUSPEND;
2987 return pm_runtime_force_suspend(dev);
2988}
2989
2990static int hda_codec_pm_resume(struct device *dev)
2991{
2992 dev->power.power_state = PMSG_RESUME;
2993 return hda_codec_force_resume(dev);
2994}
2995
2996static int hda_codec_pm_freeze(struct device *dev)
2997{
2998 dev->power.power_state = PMSG_FREEZE;
2999 return pm_runtime_force_suspend(dev);
3000}
3001
3002static int hda_codec_pm_thaw(struct device *dev)
3003{
3004 dev->power.power_state = PMSG_THAW;
3005 return hda_codec_force_resume(dev);
3006}
3007
3008static int hda_codec_pm_restore(struct device *dev)
3009{
3010 dev->power.power_state = PMSG_RESTORE;
3011 return hda_codec_force_resume(dev);
3012}
3013#endif
3014
3015
3016const struct dev_pm_ops hda_codec_driver_pm = {
3017#ifdef CONFIG_PM_SLEEP
3018 .suspend = hda_codec_pm_suspend,
3019 .resume = hda_codec_pm_resume,
3020 .freeze = hda_codec_pm_freeze,
3021 .thaw = hda_codec_pm_thaw,
3022 .poweroff = hda_codec_pm_suspend,
3023 .restore = hda_codec_pm_restore,
3024#endif
3025 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3026 NULL)
3027};
3028
3029
3030
3031
3032static int add_std_chmaps(struct hda_codec *codec)
3033{
3034 struct hda_pcm *pcm;
3035 int str, err;
3036
3037 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3038 for (str = 0; str < 2; str++) {
3039 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3040 struct snd_pcm_chmap *chmap;
3041 const struct snd_pcm_chmap_elem *elem;
3042
3043 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3044 continue;
3045 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3046 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3047 hinfo->channels_max,
3048 0, &chmap);
3049 if (err < 0)
3050 return err;
3051 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3052 }
3053 }
3054 return 0;
3055}
3056
3057
3058
3059
3060const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3061 { .channels = 2,
3062 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3063 { .channels = 4,
3064 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3065 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3066 { }
3067};
3068EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3069
3070int snd_hda_codec_build_controls(struct hda_codec *codec)
3071{
3072 int err = 0;
3073 hda_exec_init_verbs(codec);
3074
3075 if (codec->patch_ops.init)
3076 err = codec->patch_ops.init(codec);
3077 if (!err && codec->patch_ops.build_controls)
3078 err = codec->patch_ops.build_controls(codec);
3079 if (err < 0)
3080 return err;
3081
3082
3083 err = add_std_chmaps(codec);
3084 if (err < 0)
3085 return err;
3086
3087 if (codec->jackpoll_interval)
3088 hda_jackpoll_work(&codec->jackpoll_work.work);
3089 else
3090 snd_hda_jack_report_sync(codec);
3091 sync_power_up_states(codec);
3092 return 0;
3093}
3094EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3095
3096
3097
3098
3099static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3100 struct hda_codec *codec,
3101 struct snd_pcm_substream *substream)
3102{
3103 return 0;
3104}
3105
3106static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3107 struct hda_codec *codec,
3108 unsigned int stream_tag,
3109 unsigned int format,
3110 struct snd_pcm_substream *substream)
3111{
3112 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3113 return 0;
3114}
3115
3116static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3117 struct hda_codec *codec,
3118 struct snd_pcm_substream *substream)
3119{
3120 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3121 return 0;
3122}
3123
3124static int set_pcm_default_values(struct hda_codec *codec,
3125 struct hda_pcm_stream *info)
3126{
3127 int err;
3128
3129
3130 if (info->nid && (!info->rates || !info->formats)) {
3131 err = snd_hda_query_supported_pcm(codec, info->nid,
3132 info->rates ? NULL : &info->rates,
3133 info->formats ? NULL : &info->formats,
3134 info->maxbps ? NULL : &info->maxbps);
3135 if (err < 0)
3136 return err;
3137 }
3138 if (info->ops.open == NULL)
3139 info->ops.open = hda_pcm_default_open_close;
3140 if (info->ops.close == NULL)
3141 info->ops.close = hda_pcm_default_open_close;
3142 if (info->ops.prepare == NULL) {
3143 if (snd_BUG_ON(!info->nid))
3144 return -EINVAL;
3145 info->ops.prepare = hda_pcm_default_prepare;
3146 }
3147 if (info->ops.cleanup == NULL) {
3148 if (snd_BUG_ON(!info->nid))
3149 return -EINVAL;
3150 info->ops.cleanup = hda_pcm_default_cleanup;
3151 }
3152 return 0;
3153}
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169int snd_hda_codec_prepare(struct hda_codec *codec,
3170 struct hda_pcm_stream *hinfo,
3171 unsigned int stream,
3172 unsigned int format,
3173 struct snd_pcm_substream *substream)
3174{
3175 int ret;
3176 mutex_lock(&codec->bus->prepare_mutex);
3177 if (hinfo->ops.prepare)
3178 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3179 substream);
3180 else
3181 ret = -ENODEV;
3182 if (ret >= 0)
3183 purify_inactive_streams(codec);
3184 mutex_unlock(&codec->bus->prepare_mutex);
3185 return ret;
3186}
3187EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197void snd_hda_codec_cleanup(struct hda_codec *codec,
3198 struct hda_pcm_stream *hinfo,
3199 struct snd_pcm_substream *substream)
3200{
3201 mutex_lock(&codec->bus->prepare_mutex);
3202 if (hinfo->ops.cleanup)
3203 hinfo->ops.cleanup(hinfo, codec, substream);
3204 mutex_unlock(&codec->bus->prepare_mutex);
3205}
3206EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3207
3208
3209const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3210 "Audio", "SPDIF", "HDMI", "Modem"
3211};
3212
3213
3214
3215
3216static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3217{
3218
3219
3220
3221
3222 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3223 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3224 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3225 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3226 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3227 };
3228 int i;
3229
3230 if (type >= HDA_PCM_NTYPES) {
3231 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3232 return -EINVAL;
3233 }
3234
3235 for (i = 0; audio_idx[type][i] >= 0; i++) {
3236#ifndef CONFIG_SND_DYNAMIC_MINORS
3237 if (audio_idx[type][i] >= 8)
3238 break;
3239#endif
3240 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3241 return audio_idx[type][i];
3242 }
3243
3244#ifdef CONFIG_SND_DYNAMIC_MINORS
3245
3246 for (i = 10; i < 32; i++) {
3247 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3248 return i;
3249 }
3250#endif
3251
3252 dev_warn(bus->card->dev, "Too many %s devices\n",
3253 snd_hda_pcm_type_name[type]);
3254#ifndef CONFIG_SND_DYNAMIC_MINORS
3255 dev_warn(bus->card->dev,
3256 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3257#endif
3258 return -EAGAIN;
3259}
3260
3261
3262int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3263{
3264 struct hda_pcm *cpcm;
3265 int err;
3266
3267 if (!list_empty(&codec->pcm_list_head))
3268 return 0;
3269
3270 if (!codec->patch_ops.build_pcms)
3271 return 0;
3272
3273 err = codec->patch_ops.build_pcms(codec);
3274 if (err < 0) {
3275 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3276 codec->core.addr, err);
3277 return err;
3278 }
3279
3280 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3281 int stream;
3282
3283 for (stream = 0; stream < 2; stream++) {
3284 struct hda_pcm_stream *info = &cpcm->stream[stream];
3285
3286 if (!info->substreams)
3287 continue;
3288 err = set_pcm_default_values(codec, info);
3289 if (err < 0) {
3290 codec_warn(codec,
3291 "fail to setup default for PCM %s\n",
3292 cpcm->name);
3293 return err;
3294 }
3295 }
3296 }
3297
3298 return 0;
3299}
3300EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3301
3302
3303int snd_hda_codec_build_pcms(struct hda_codec *codec)
3304{
3305 struct hda_bus *bus = codec->bus;
3306 struct hda_pcm *cpcm;
3307 int dev, err;
3308
3309 err = snd_hda_codec_parse_pcms(codec);
3310 if (err < 0)
3311 return err;
3312
3313
3314 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3315 if (cpcm->pcm)
3316 continue;
3317 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3318 continue;
3319
3320 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3321 if (dev < 0) {
3322 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3323 continue;
3324 }
3325 cpcm->device = dev;
3326 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3327 if (err < 0) {
3328 codec_err(codec,
3329 "cannot attach PCM stream %d for codec #%d\n",
3330 dev, codec->core.addr);
3331 continue;
3332 }
3333 }
3334
3335 return 0;
3336}
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348int snd_hda_add_new_ctls(struct hda_codec *codec,
3349 const struct snd_kcontrol_new *knew)
3350{
3351 int err;
3352
3353 for (; knew->name; knew++) {
3354 struct snd_kcontrol *kctl;
3355 int addr = 0, idx = 0;
3356 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3357 continue;
3358 for (;;) {
3359 kctl = snd_ctl_new1(knew, codec);
3360 if (!kctl)
3361 return -ENOMEM;
3362 if (addr > 0)
3363 kctl->id.device = addr;
3364 if (idx > 0)
3365 kctl->id.index = idx;
3366 err = snd_hda_ctl_add(codec, 0, kctl);
3367 if (!err)
3368 break;
3369
3370
3371
3372
3373 if (!addr && codec->core.addr)
3374 addr = codec->core.addr;
3375 else if (!idx && !knew->index) {
3376 idx = find_empty_mixer_ctl_idx(codec,
3377 knew->name, 0);
3378 if (idx <= 0)
3379 return err;
3380 } else
3381 return err;
3382 }
3383 }
3384 return 0;
3385}
3386EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3387
3388#ifdef CONFIG_PM
3389static void codec_set_power_save(struct hda_codec *codec, int delay)
3390{
3391 struct device *dev = hda_codec_dev(codec);
3392
3393 if (delay == 0 && codec->auto_runtime_pm)
3394 delay = 3000;
3395
3396 if (delay > 0) {
3397 pm_runtime_set_autosuspend_delay(dev, delay);
3398 pm_runtime_use_autosuspend(dev);
3399 pm_runtime_allow(dev);
3400 if (!pm_runtime_suspended(dev))
3401 pm_runtime_mark_last_busy(dev);
3402 } else {
3403 pm_runtime_dont_use_autosuspend(dev);
3404 pm_runtime_forbid(dev);
3405 }
3406}
3407
3408
3409
3410
3411
3412
3413
3414
3415void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3416{
3417 struct hda_codec *c;
3418
3419 list_for_each_codec(c, bus)
3420 codec_set_power_save(c, delay);
3421}
3422EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437int snd_hda_check_amp_list_power(struct hda_codec *codec,
3438 struct hda_loopback_check *check,
3439 hda_nid_t nid)
3440{
3441 const struct hda_amp_list *p;
3442 int ch, v;
3443
3444 if (!check->amplist)
3445 return 0;
3446 for (p = check->amplist; p->nid; p++) {
3447 if (p->nid == nid)
3448 break;
3449 }
3450 if (!p->nid)
3451 return 0;
3452
3453 for (p = check->amplist; p->nid; p++) {
3454 for (ch = 0; ch < 2; ch++) {
3455 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3456 p->idx);
3457 if (!(v & HDA_AMP_MUTE) && v > 0) {
3458 if (!check->power_on) {
3459 check->power_on = 1;
3460 snd_hda_power_up_pm(codec);
3461 }
3462 return 1;
3463 }
3464 }
3465 }
3466 if (check->power_on) {
3467 check->power_on = 0;
3468 snd_hda_power_down_pm(codec);
3469 }
3470 return 0;
3471}
3472EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3473#endif
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3485 struct snd_ctl_elem_info *uinfo)
3486{
3487 unsigned int index;
3488
3489 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3490 uinfo->count = 1;
3491 uinfo->value.enumerated.items = imux->num_items;
3492 if (!imux->num_items)
3493 return 0;
3494 index = uinfo->value.enumerated.item;
3495 if (index >= imux->num_items)
3496 index = imux->num_items - 1;
3497 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3498 return 0;
3499}
3500EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510int snd_hda_input_mux_put(struct hda_codec *codec,
3511 const struct hda_input_mux *imux,
3512 struct snd_ctl_elem_value *ucontrol,
3513 hda_nid_t nid,
3514 unsigned int *cur_val)
3515{
3516 unsigned int idx;
3517
3518 if (!imux->num_items)
3519 return 0;
3520 idx = ucontrol->value.enumerated.item[0];
3521 if (idx >= imux->num_items)
3522 idx = imux->num_items - 1;
3523 if (*cur_val == idx)
3524 return 0;
3525 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3526 imux->items[idx].index);
3527 *cur_val = idx;
3528 return 1;
3529}
3530EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3544 struct snd_ctl_elem_info *uinfo,
3545 int num_items, const char * const *texts)
3546{
3547 static const char * const texts_default[] = {
3548 "Disabled", "Enabled"
3549 };
3550
3551 if (!texts || !num_items) {
3552 num_items = 2;
3553 texts = texts_default;
3554 }
3555
3556 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3557}
3558EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3559
3560
3561
3562
3563
3564
3565static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3566 unsigned int stream_tag, unsigned int format)
3567{
3568 struct hda_spdif_out *spdif;
3569 unsigned int curr_fmt;
3570 bool reset;
3571
3572 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3573
3574
3575
3576 if (WARN_ON(spdif == NULL))
3577 return;
3578
3579 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3580 AC_VERB_GET_STREAM_FORMAT, 0);
3581 reset = codec->spdif_status_reset &&
3582 (spdif->ctls & AC_DIG1_ENABLE) &&
3583 curr_fmt != format;
3584
3585
3586
3587 if (reset)
3588 set_dig_out_convert(codec, nid,
3589 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3590 -1);
3591 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3592 if (codec->follower_dig_outs) {
3593 const hda_nid_t *d;
3594 for (d = codec->follower_dig_outs; *d; d++)
3595 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3596 format);
3597 }
3598
3599 if (reset)
3600 set_dig_out_convert(codec, nid,
3601 spdif->ctls & 0xff, -1);
3602}
3603
3604static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3605{
3606 snd_hda_codec_cleanup_stream(codec, nid);
3607 if (codec->follower_dig_outs) {
3608 const hda_nid_t *d;
3609 for (d = codec->follower_dig_outs; *d; d++)
3610 snd_hda_codec_cleanup_stream(codec, *d);
3611 }
3612}
3613
3614
3615
3616
3617
3618
3619int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3620 struct hda_multi_out *mout)
3621{
3622 mutex_lock(&codec->spdif_mutex);
3623 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3624
3625 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3626 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3627 mutex_unlock(&codec->spdif_mutex);
3628 return 0;
3629}
3630EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3641 struct hda_multi_out *mout,
3642 unsigned int stream_tag,
3643 unsigned int format,
3644 struct snd_pcm_substream *substream)
3645{
3646 mutex_lock(&codec->spdif_mutex);
3647 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3648 mutex_unlock(&codec->spdif_mutex);
3649 return 0;
3650}
3651EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3652
3653
3654
3655
3656
3657
3658int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3659 struct hda_multi_out *mout)
3660{
3661 mutex_lock(&codec->spdif_mutex);
3662 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3663 mutex_unlock(&codec->spdif_mutex);
3664 return 0;
3665}
3666EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3667
3668
3669
3670
3671
3672
3673int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3674 struct hda_multi_out *mout)
3675{
3676 mutex_lock(&codec->spdif_mutex);
3677 mout->dig_out_used = 0;
3678 mutex_unlock(&codec->spdif_mutex);
3679 return 0;
3680}
3681EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3695 struct hda_multi_out *mout,
3696 struct snd_pcm_substream *substream,
3697 struct hda_pcm_stream *hinfo)
3698{
3699 struct snd_pcm_runtime *runtime = substream->runtime;
3700 runtime->hw.channels_max = mout->max_channels;
3701 if (mout->dig_out_nid) {
3702 if (!mout->analog_rates) {
3703 mout->analog_rates = hinfo->rates;
3704 mout->analog_formats = hinfo->formats;
3705 mout->analog_maxbps = hinfo->maxbps;
3706 } else {
3707 runtime->hw.rates = mout->analog_rates;
3708 runtime->hw.formats = mout->analog_formats;
3709 hinfo->maxbps = mout->analog_maxbps;
3710 }
3711 if (!mout->spdif_rates) {
3712 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3713 &mout->spdif_rates,
3714 &mout->spdif_formats,
3715 &mout->spdif_maxbps);
3716 }
3717 mutex_lock(&codec->spdif_mutex);
3718 if (mout->share_spdif) {
3719 if ((runtime->hw.rates & mout->spdif_rates) &&
3720 (runtime->hw.formats & mout->spdif_formats)) {
3721 runtime->hw.rates &= mout->spdif_rates;
3722 runtime->hw.formats &= mout->spdif_formats;
3723 if (mout->spdif_maxbps < hinfo->maxbps)
3724 hinfo->maxbps = mout->spdif_maxbps;
3725 } else {
3726 mout->share_spdif = 0;
3727
3728 }
3729 }
3730 mutex_unlock(&codec->spdif_mutex);
3731 }
3732 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3733 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3734}
3735EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3749 struct hda_multi_out *mout,
3750 unsigned int stream_tag,
3751 unsigned int format,
3752 struct snd_pcm_substream *substream)
3753{
3754 const hda_nid_t *nids = mout->dac_nids;
3755 int chs = substream->runtime->channels;
3756 struct hda_spdif_out *spdif;
3757 int i;
3758
3759 mutex_lock(&codec->spdif_mutex);
3760 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3761 if (mout->dig_out_nid && mout->share_spdif &&
3762 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3763 if (chs == 2 && spdif != NULL &&
3764 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3765 format) &&
3766 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3767 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3768 setup_dig_out_stream(codec, mout->dig_out_nid,
3769 stream_tag, format);
3770 } else {
3771 mout->dig_out_used = 0;
3772 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3773 }
3774 }
3775 mutex_unlock(&codec->spdif_mutex);
3776
3777
3778 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3779 0, format);
3780 if (!mout->no_share_stream &&
3781 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3782
3783 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3784 0, format);
3785
3786 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3787 if (!mout->no_share_stream && mout->hp_out_nid[i])
3788 snd_hda_codec_setup_stream(codec,
3789 mout->hp_out_nid[i],
3790 stream_tag, 0, format);
3791
3792
3793 for (i = 1; i < mout->num_dacs; i++) {
3794 if (chs >= (i + 1) * 2)
3795 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3796 i * 2, format);
3797 else if (!mout->no_share_stream)
3798 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3799 0, format);
3800 }
3801
3802
3803 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3804 int ch = 0;
3805 if (!mout->extra_out_nid[i])
3806 break;
3807 if (chs >= (i + 1) * 2)
3808 ch = i * 2;
3809 else if (!mout->no_share_stream)
3810 break;
3811 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3812 stream_tag, ch, format);
3813 }
3814
3815 return 0;
3816}
3817EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3818
3819
3820
3821
3822
3823
3824int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3825 struct hda_multi_out *mout)
3826{
3827 const hda_nid_t *nids = mout->dac_nids;
3828 int i;
3829
3830 for (i = 0; i < mout->num_dacs; i++)
3831 snd_hda_codec_cleanup_stream(codec, nids[i]);
3832 if (mout->hp_nid)
3833 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3834 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3835 if (mout->hp_out_nid[i])
3836 snd_hda_codec_cleanup_stream(codec,
3837 mout->hp_out_nid[i]);
3838 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3839 if (mout->extra_out_nid[i])
3840 snd_hda_codec_cleanup_stream(codec,
3841 mout->extra_out_nid[i]);
3842 mutex_lock(&codec->spdif_mutex);
3843 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3844 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3845 mout->dig_out_used = 0;
3846 }
3847 mutex_unlock(&codec->spdif_mutex);
3848 return 0;
3849}
3850EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3861{
3862 unsigned int pincap;
3863 unsigned int oldval;
3864 oldval = snd_hda_codec_read(codec, pin, 0,
3865 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3866 pincap = snd_hda_query_pin_caps(codec, pin);
3867 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3868
3869 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3870 return AC_PINCTL_VREF_80;
3871 else if (pincap & AC_PINCAP_VREF_50)
3872 return AC_PINCTL_VREF_50;
3873 else if (pincap & AC_PINCAP_VREF_100)
3874 return AC_PINCTL_VREF_100;
3875 else if (pincap & AC_PINCAP_VREF_GRD)
3876 return AC_PINCTL_VREF_GRD;
3877 return AC_PINCTL_VREF_HIZ;
3878}
3879EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3880
3881
3882
3883
3884
3885
3886
3887unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3888 hda_nid_t pin, unsigned int val)
3889{
3890 static const unsigned int cap_lists[][2] = {
3891 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3892 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3893 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3894 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3895 };
3896 unsigned int cap;
3897
3898 if (!val)
3899 return 0;
3900 cap = snd_hda_query_pin_caps(codec, pin);
3901 if (!cap)
3902 return val;
3903
3904 if (val & AC_PINCTL_OUT_EN) {
3905 if (!(cap & AC_PINCAP_OUT))
3906 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3907 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3908 val &= ~AC_PINCTL_HP_EN;
3909 }
3910
3911 if (val & AC_PINCTL_IN_EN) {
3912 if (!(cap & AC_PINCAP_IN))
3913 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3914 else {
3915 unsigned int vcap, vref;
3916 int i;
3917 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3918 vref = val & AC_PINCTL_VREFEN;
3919 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3920 if (vref == cap_lists[i][0] &&
3921 !(vcap & cap_lists[i][1])) {
3922 if (i == ARRAY_SIZE(cap_lists) - 1)
3923 vref = AC_PINCTL_VREF_HIZ;
3924 else
3925 vref = cap_lists[i + 1][0];
3926 }
3927 }
3928 val &= ~AC_PINCTL_VREFEN;
3929 val |= vref;
3930 }
3931 }
3932
3933 return val;
3934}
3935EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3951 unsigned int val, bool cached)
3952{
3953 val = snd_hda_correct_pin_ctl(codec, pin, val);
3954 snd_hda_codec_set_pin_target(codec, pin, val);
3955 if (cached)
3956 return snd_hda_codec_write_cache(codec, pin, 0,
3957 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3958 else
3959 return snd_hda_codec_write(codec, pin, 0,
3960 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3961}
3962EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976int snd_hda_add_imux_item(struct hda_codec *codec,
3977 struct hda_input_mux *imux, const char *label,
3978 int index, int *type_idx)
3979{
3980 int i, label_idx = 0;
3981 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3982 codec_err(codec, "hda_codec: Too many imux items!\n");
3983 return -EINVAL;
3984 }
3985 for (i = 0; i < imux->num_items; i++) {
3986 if (!strncmp(label, imux->items[i].label, strlen(label)))
3987 label_idx++;
3988 }
3989 if (type_idx)
3990 *type_idx = label_idx;
3991 if (label_idx > 0)
3992 snprintf(imux->items[imux->num_items].label,
3993 sizeof(imux->items[imux->num_items].label),
3994 "%s %d", label, label_idx);
3995 else
3996 strlcpy(imux->items[imux->num_items].label, label,
3997 sizeof(imux->items[imux->num_items].label));
3998 imux->items[imux->num_items].index = index;
3999 imux->num_items++;
4000 return 0;
4001}
4002EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4003
4004
4005
4006
4007
4008void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4009{
4010 struct hda_codec *codec;
4011
4012 list_for_each_codec(codec, bus) {
4013
4014 if (current_work() != &codec->jackpoll_work.work)
4015 cancel_delayed_work_sync(&codec->jackpoll_work);
4016#ifdef CONFIG_PM
4017 if (hda_codec_is_power_on(codec)) {
4018 hda_call_codec_suspend(codec);
4019 hda_call_codec_resume(codec);
4020 }
4021#endif
4022 }
4023}
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4034{
4035 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4036 int i, j;
4037
4038 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4039 if (pcm & (AC_SUPPCM_BITS_8 << i))
4040 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4041
4042 buf[j] = '\0';
4043}
4044EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4045
4046MODULE_DESCRIPTION("HDA codec core");
4047MODULE_LICENSE("GPL");
4048