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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[0];
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);
194
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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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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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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
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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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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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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 snd_hda_jack_set_dirty_all(codec);
645 snd_hda_jack_poll_all(codec);
646
647 if (!codec->jackpoll_interval)
648 return;
649
650 schedule_delayed_work(&codec->jackpoll_work,
651 codec->jackpoll_interval);
652}
653
654
655static void free_init_pincfgs(struct hda_codec *codec)
656{
657 snd_array_free(&codec->driver_pins);
658#ifdef CONFIG_SND_HDA_RECONFIG
659 snd_array_free(&codec->user_pins);
660#endif
661 snd_array_free(&codec->init_pins);
662}
663
664
665
666
667struct hda_cvt_setup {
668 hda_nid_t nid;
669 u8 stream_tag;
670 u8 channel_id;
671 u16 format_id;
672 unsigned char active;
673 unsigned char dirty;
674};
675
676
677static struct hda_cvt_setup *
678get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
679{
680 struct hda_cvt_setup *p;
681 int i;
682
683 snd_array_for_each(&codec->cvt_setups, i, p) {
684 if (p->nid == nid)
685 return p;
686 }
687 p = snd_array_new(&codec->cvt_setups);
688 if (p)
689 p->nid = nid;
690 return p;
691}
692
693
694
695
696static void release_pcm(struct kref *kref)
697{
698 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
699
700 if (pcm->pcm)
701 snd_device_free(pcm->codec->card, pcm->pcm);
702 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
703 kfree(pcm->name);
704 kfree(pcm);
705}
706
707void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
708{
709 kref_put(&pcm->kref, release_pcm);
710}
711EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
712
713struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
714 const char *fmt, ...)
715{
716 struct hda_pcm *pcm;
717 va_list args;
718
719 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
720 if (!pcm)
721 return NULL;
722
723 pcm->codec = codec;
724 kref_init(&pcm->kref);
725 va_start(args, fmt);
726 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
727 va_end(args);
728 if (!pcm->name) {
729 kfree(pcm);
730 return NULL;
731 }
732
733 list_add_tail(&pcm->list, &codec->pcm_list_head);
734 return pcm;
735}
736EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
737
738
739
740
741static void codec_release_pcms(struct hda_codec *codec)
742{
743 struct hda_pcm *pcm, *n;
744
745 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
746 list_del_init(&pcm->list);
747 if (pcm->pcm)
748 snd_device_disconnect(codec->card, pcm->pcm);
749 snd_hda_codec_pcm_put(pcm);
750 }
751}
752
753void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
754{
755 if (codec->registered) {
756
757 pm_runtime_get_noresume(hda_codec_dev(codec));
758 pm_runtime_disable(hda_codec_dev(codec));
759 codec->registered = 0;
760 }
761
762 cancel_delayed_work_sync(&codec->jackpoll_work);
763 if (!codec->in_freeing)
764 snd_hda_ctls_clear(codec);
765 codec_release_pcms(codec);
766 snd_hda_detach_beep_device(codec);
767 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
768 snd_hda_jack_tbl_clear(codec);
769 codec->proc_widget_hook = NULL;
770 codec->spec = NULL;
771
772
773 snd_array_free(&codec->driver_pins);
774 snd_array_free(&codec->cvt_setups);
775 snd_array_free(&codec->spdif_out);
776 snd_array_free(&codec->verbs);
777 codec->preset = NULL;
778 codec->slave_dig_outs = NULL;
779 codec->spdif_status_reset = 0;
780 snd_array_free(&codec->mixers);
781 snd_array_free(&codec->nids);
782 remove_conn_list(codec);
783 snd_hdac_regmap_exit(&codec->core);
784}
785
786static unsigned int hda_set_power_state(struct hda_codec *codec,
787 unsigned int power_state);
788
789
790static void codec_display_power(struct hda_codec *codec, bool enable)
791{
792 if (codec->display_power_control)
793 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
794}
795
796
797void snd_hda_codec_register(struct hda_codec *codec)
798{
799 if (codec->registered)
800 return;
801 if (device_is_registered(hda_codec_dev(codec))) {
802 codec_display_power(codec, true);
803 pm_runtime_enable(hda_codec_dev(codec));
804
805 snd_hda_power_down(codec);
806 codec->registered = 1;
807 }
808}
809
810static int snd_hda_codec_dev_register(struct snd_device *device)
811{
812 snd_hda_codec_register(device->device_data);
813 return 0;
814}
815
816static int snd_hda_codec_dev_free(struct snd_device *device)
817{
818 struct hda_codec *codec = device->device_data;
819
820 codec->in_freeing = 1;
821
822
823
824
825
826 if (codec->core.type == HDA_DEV_LEGACY)
827 snd_hdac_device_unregister(&codec->core);
828 codec_display_power(codec, false);
829
830
831
832
833
834 if (codec->core.type == HDA_DEV_LEGACY)
835 put_device(hda_codec_dev(codec));
836
837 return 0;
838}
839
840static void snd_hda_codec_dev_release(struct device *dev)
841{
842 struct hda_codec *codec = dev_to_hda_codec(dev);
843
844 free_init_pincfgs(codec);
845 snd_hdac_device_exit(&codec->core);
846 snd_hda_sysfs_clear(codec);
847 kfree(codec->modelname);
848 kfree(codec->wcaps);
849 kfree(codec);
850}
851
852#define DEV_NAME_LEN 31
853
854static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
855 unsigned int codec_addr, struct hda_codec **codecp)
856{
857 char name[DEV_NAME_LEN];
858 struct hda_codec *codec;
859 int err;
860
861 dev_dbg(card->dev, "%s: entry\n", __func__);
862
863 if (snd_BUG_ON(!bus))
864 return -EINVAL;
865 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
866 return -EINVAL;
867
868 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
869 if (!codec)
870 return -ENOMEM;
871
872 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
873 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
874 if (err < 0) {
875 kfree(codec);
876 return err;
877 }
878
879 codec->core.type = HDA_DEV_LEGACY;
880 *codecp = codec;
881
882 return err;
883}
884
885
886
887
888
889
890
891
892
893int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
894 unsigned int codec_addr, struct hda_codec **codecp)
895{
896 int ret;
897
898 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
899 if (ret < 0)
900 return ret;
901
902 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
903}
904EXPORT_SYMBOL_GPL(snd_hda_codec_new);
905
906int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
907 unsigned int codec_addr, struct hda_codec *codec)
908{
909 char component[31];
910 hda_nid_t fg;
911 int err;
912 static struct snd_device_ops dev_ops = {
913 .dev_register = snd_hda_codec_dev_register,
914 .dev_free = snd_hda_codec_dev_free,
915 };
916
917 dev_dbg(card->dev, "%s: entry\n", __func__);
918
919 if (snd_BUG_ON(!bus))
920 return -EINVAL;
921 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
922 return -EINVAL;
923
924 codec->core.dev.release = snd_hda_codec_dev_release;
925 codec->core.exec_verb = codec_exec_verb;
926
927 codec->bus = bus;
928 codec->card = card;
929 codec->addr = codec_addr;
930 mutex_init(&codec->spdif_mutex);
931 mutex_init(&codec->control_mutex);
932 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
933 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
934 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
935 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
936 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
937 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
938 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
939 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
940 INIT_LIST_HEAD(&codec->conn_list);
941 INIT_LIST_HEAD(&codec->pcm_list_head);
942
943 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
944 codec->depop_delay = -1;
945 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
946
947#ifdef CONFIG_PM
948 codec->power_jiffies = jiffies;
949#endif
950
951 snd_hda_sysfs_init(codec);
952
953 if (codec->bus->modelname) {
954 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
955 if (!codec->modelname) {
956 err = -ENOMEM;
957 goto error;
958 }
959 }
960
961 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
962 err = read_widget_caps(codec, fg);
963 if (err < 0)
964 goto error;
965 err = read_pin_defaults(codec);
966 if (err < 0)
967 goto error;
968
969
970 hda_set_power_state(codec, AC_PWRST_D0);
971 codec->core.dev.power.power_state = PMSG_ON;
972
973 snd_hda_codec_proc_new(codec);
974
975 snd_hda_create_hwdep(codec);
976
977 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
978 codec->core.subsystem_id, codec->core.revision_id);
979 snd_component_add(card, component);
980
981 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
982 if (err < 0)
983 goto error;
984
985 return 0;
986
987 error:
988 put_device(hda_codec_dev(codec));
989 return err;
990}
991EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
992
993
994
995
996
997
998
999
1000int snd_hda_codec_update_widgets(struct hda_codec *codec)
1001{
1002 hda_nid_t fg;
1003 int err;
1004
1005 err = snd_hdac_refresh_widgets(&codec->core);
1006 if (err < 0)
1007 return err;
1008
1009
1010
1011
1012 kfree(codec->wcaps);
1013 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1014 err = read_widget_caps(codec, fg);
1015 if (err < 0)
1016 return err;
1017
1018 snd_array_free(&codec->init_pins);
1019 err = read_pin_defaults(codec);
1020
1021 return err;
1022}
1023EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1024
1025
1026static void update_pcm_stream_id(struct hda_codec *codec,
1027 struct hda_cvt_setup *p, hda_nid_t nid,
1028 u32 stream_tag, int channel_id)
1029{
1030 unsigned int oldval, newval;
1031
1032 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1033 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1034 newval = (stream_tag << 4) | channel_id;
1035 if (oldval != newval)
1036 snd_hda_codec_write(codec, nid, 0,
1037 AC_VERB_SET_CHANNEL_STREAMID,
1038 newval);
1039 p->stream_tag = stream_tag;
1040 p->channel_id = channel_id;
1041 }
1042}
1043
1044
1045static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1046 hda_nid_t nid, int format)
1047{
1048 unsigned int oldval;
1049
1050 if (p->format_id != format) {
1051 oldval = snd_hda_codec_read(codec, nid, 0,
1052 AC_VERB_GET_STREAM_FORMAT, 0);
1053 if (oldval != format) {
1054 msleep(1);
1055 snd_hda_codec_write(codec, nid, 0,
1056 AC_VERB_SET_STREAM_FORMAT,
1057 format);
1058 }
1059 p->format_id = format;
1060 }
1061}
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1072 u32 stream_tag,
1073 int channel_id, int format)
1074{
1075 struct hda_codec *c;
1076 struct hda_cvt_setup *p;
1077 int type;
1078 int i;
1079
1080 if (!nid)
1081 return;
1082
1083 codec_dbg(codec,
1084 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1085 nid, stream_tag, channel_id, format);
1086 p = get_hda_cvt_setup(codec, nid);
1087 if (!p)
1088 return;
1089
1090 if (codec->patch_ops.stream_pm)
1091 codec->patch_ops.stream_pm(codec, nid, true);
1092 if (codec->pcm_format_first)
1093 update_pcm_format(codec, p, nid, format);
1094 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1095 if (!codec->pcm_format_first)
1096 update_pcm_format(codec, p, nid, format);
1097
1098 p->active = 1;
1099 p->dirty = 0;
1100
1101
1102 type = get_wcaps_type(get_wcaps(codec, nid));
1103 list_for_each_codec(c, codec->bus) {
1104 snd_array_for_each(&c->cvt_setups, i, p) {
1105 if (!p->active && p->stream_tag == stream_tag &&
1106 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1107 p->dirty = 1;
1108 }
1109 }
1110}
1111EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1112
1113static void really_cleanup_stream(struct hda_codec *codec,
1114 struct hda_cvt_setup *q);
1115
1116
1117
1118
1119
1120
1121
1122void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1123 int do_now)
1124{
1125 struct hda_cvt_setup *p;
1126
1127 if (!nid)
1128 return;
1129
1130 if (codec->no_sticky_stream)
1131 do_now = 1;
1132
1133 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1134 p = get_hda_cvt_setup(codec, nid);
1135 if (p) {
1136
1137
1138
1139
1140 if (do_now)
1141 really_cleanup_stream(codec, p);
1142 else
1143 p->active = 0;
1144 }
1145}
1146EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1147
1148static void really_cleanup_stream(struct hda_codec *codec,
1149 struct hda_cvt_setup *q)
1150{
1151 hda_nid_t nid = q->nid;
1152 if (q->stream_tag || q->channel_id)
1153 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1154 if (q->format_id)
1155 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1156);
1157 memset(q, 0, sizeof(*q));
1158 q->nid = nid;
1159 if (codec->patch_ops.stream_pm)
1160 codec->patch_ops.stream_pm(codec, nid, false);
1161}
1162
1163
1164static void purify_inactive_streams(struct hda_codec *codec)
1165{
1166 struct hda_codec *c;
1167 struct hda_cvt_setup *p;
1168 int i;
1169
1170 list_for_each_codec(c, codec->bus) {
1171 snd_array_for_each(&c->cvt_setups, i, p) {
1172 if (p->dirty)
1173 really_cleanup_stream(c, p);
1174 }
1175 }
1176}
1177
1178#ifdef CONFIG_PM
1179
1180static void hda_cleanup_all_streams(struct hda_codec *codec)
1181{
1182 struct hda_cvt_setup *p;
1183 int i;
1184
1185 snd_array_for_each(&codec->cvt_setups, i, p) {
1186 if (p->stream_tag)
1187 really_cleanup_stream(codec, p);
1188 }
1189}
1190#endif
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1209{
1210 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1211 nid = codec->core.afg;
1212 return snd_hda_param_read(codec, nid,
1213 direction == HDA_OUTPUT ?
1214 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1215}
1216EXPORT_SYMBOL_GPL(query_amp_caps);
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1228 int dir, unsigned int bits)
1229{
1230 if (!nid)
1231 return false;
1232 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1233 if (query_amp_caps(codec, nid, dir) & bits)
1234 return true;
1235 return false;
1236}
1237EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1253 unsigned int caps)
1254{
1255 unsigned int parm;
1256
1257 snd_hda_override_wcaps(codec, nid,
1258 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1259 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1260 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1261}
1262EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1277 int ch, int dir, int idx, int mask, int val)
1278{
1279 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1280
1281
1282 if ((query_amp_caps(codec, nid, dir) &
1283 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1284 cmd |= AC_AMP_FAKE_MUTE;
1285 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1286}
1287EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1302 int direction, int idx, int mask, int val)
1303{
1304 int ch, ret = 0;
1305
1306 if (snd_BUG_ON(mask & ~0xff))
1307 mask &= 0xff;
1308 for (ch = 0; ch < 2; ch++)
1309 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1310 idx, mask, val);
1311 return ret;
1312}
1313EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1330 int dir, int idx, int mask, int val)
1331{
1332 int orig;
1333
1334 if (!codec->core.regmap)
1335 return -EINVAL;
1336 regcache_cache_only(codec->core.regmap, true);
1337 orig = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1338 regcache_cache_only(codec->core.regmap, false);
1339 if (orig >= 0)
1340 return 0;
1341 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val);
1342}
1343EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1357 int dir, int idx, int mask, int val)
1358{
1359 int ch, ret = 0;
1360
1361 if (snd_BUG_ON(mask & ~0xff))
1362 mask &= 0xff;
1363 for (ch = 0; ch < 2; ch++)
1364 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1365 idx, mask, val);
1366 return ret;
1367}
1368EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1369
1370static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1371 unsigned int ofs)
1372{
1373 u32 caps = query_amp_caps(codec, nid, dir);
1374
1375 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1376 if (ofs < caps)
1377 caps -= ofs;
1378 return caps;
1379}
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1390 struct snd_ctl_elem_info *uinfo)
1391{
1392 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1393 u16 nid = get_amp_nid(kcontrol);
1394 u8 chs = get_amp_channels(kcontrol);
1395 int dir = get_amp_direction(kcontrol);
1396 unsigned int ofs = get_amp_offset(kcontrol);
1397
1398 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1399 uinfo->count = chs == 3 ? 2 : 1;
1400 uinfo->value.integer.min = 0;
1401 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1402 if (!uinfo->value.integer.max) {
1403 codec_warn(codec,
1404 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1405 nid, kcontrol->id.name);
1406 return -EINVAL;
1407 }
1408 return 0;
1409}
1410EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1411
1412
1413static inline unsigned int
1414read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1415 int ch, int dir, int idx, unsigned int ofs)
1416{
1417 unsigned int val;
1418 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1419 val &= HDA_AMP_VOLMASK;
1420 if (val >= ofs)
1421 val -= ofs;
1422 else
1423 val = 0;
1424 return val;
1425}
1426
1427static inline int
1428update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1429 int ch, int dir, int idx, unsigned int ofs,
1430 unsigned int val)
1431{
1432 unsigned int maxval;
1433
1434 if (val > 0)
1435 val += ofs;
1436
1437 maxval = get_amp_max_value(codec, nid, dir, 0);
1438 if (val > maxval)
1439 val = maxval;
1440 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1441 HDA_AMP_VOLMASK, val);
1442}
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1453 struct snd_ctl_elem_value *ucontrol)
1454{
1455 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1456 hda_nid_t nid = get_amp_nid(kcontrol);
1457 int chs = get_amp_channels(kcontrol);
1458 int dir = get_amp_direction(kcontrol);
1459 int idx = get_amp_index(kcontrol);
1460 unsigned int ofs = get_amp_offset(kcontrol);
1461 long *valp = ucontrol->value.integer.value;
1462
1463 if (chs & 1)
1464 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1465 if (chs & 2)
1466 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1467 return 0;
1468}
1469EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1480 struct snd_ctl_elem_value *ucontrol)
1481{
1482 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1483 hda_nid_t nid = get_amp_nid(kcontrol);
1484 int chs = get_amp_channels(kcontrol);
1485 int dir = get_amp_direction(kcontrol);
1486 int idx = get_amp_index(kcontrol);
1487 unsigned int ofs = get_amp_offset(kcontrol);
1488 long *valp = ucontrol->value.integer.value;
1489 int change = 0;
1490
1491 if (chs & 1) {
1492 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1493 valp++;
1494 }
1495 if (chs & 2)
1496 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1497 return change;
1498}
1499EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1500
1501
1502static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1503{
1504 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1505 hda_nid_t nid = get_amp_nid(kcontrol);
1506 int dir = get_amp_direction(kcontrol);
1507 unsigned int ofs = get_amp_offset(kcontrol);
1508 bool min_mute = get_amp_min_mute(kcontrol);
1509 u32 caps, val1, val2;
1510
1511 caps = query_amp_caps(codec, nid, dir);
1512 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1513 val2 = (val2 + 1) * 25;
1514 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1515 val1 += ofs;
1516 val1 = ((int)val1) * ((int)val2);
1517 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1518 val2 |= TLV_DB_SCALE_MUTE;
1519 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1520 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1521 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1522 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1523}
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1536 unsigned int size, unsigned int __user *_tlv)
1537{
1538 unsigned int tlv[4];
1539
1540 if (size < 4 * sizeof(unsigned int))
1541 return -ENOMEM;
1542 get_ctl_amp_tlv(kcontrol, tlv);
1543 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1544 return -EFAULT;
1545 return 0;
1546}
1547EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1561 unsigned int *tlv)
1562{
1563 u32 caps;
1564 int nums, step;
1565
1566 caps = query_amp_caps(codec, nid, dir);
1567 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1568 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1569 step = (step + 1) * 25;
1570 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1571 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1572 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1573 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1574}
1575EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1576
1577
1578static struct snd_kcontrol *
1579find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1580{
1581 struct snd_ctl_elem_id id;
1582 memset(&id, 0, sizeof(id));
1583 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1584 id.device = dev;
1585 id.index = idx;
1586 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1587 return NULL;
1588 strcpy(id.name, name);
1589 return snd_ctl_find_id(codec->card, &id);
1590}
1591
1592
1593
1594
1595
1596
1597
1598
1599struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1600 const char *name)
1601{
1602 return find_mixer_ctl(codec, name, 0, 0);
1603}
1604EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1605
1606static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1607 int start_idx)
1608{
1609 int i, idx;
1610
1611 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1612 if (!find_mixer_ctl(codec, name, 0, idx))
1613 return idx;
1614 }
1615 return -EBUSY;
1616}
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1638 struct snd_kcontrol *kctl)
1639{
1640 int err;
1641 unsigned short flags = 0;
1642 struct hda_nid_item *item;
1643
1644 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1645 flags |= HDA_NID_ITEM_AMP;
1646 if (nid == 0)
1647 nid = get_amp_nid_(kctl->private_value);
1648 }
1649 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1650 nid = kctl->id.subdevice & 0xffff;
1651 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1652 kctl->id.subdevice = 0;
1653 err = snd_ctl_add(codec->card, kctl);
1654 if (err < 0)
1655 return err;
1656 item = snd_array_new(&codec->mixers);
1657 if (!item)
1658 return -ENOMEM;
1659 item->kctl = kctl;
1660 item->nid = nid;
1661 item->flags = flags;
1662 return 0;
1663}
1664EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1678 unsigned int index, hda_nid_t nid)
1679{
1680 struct hda_nid_item *item;
1681
1682 if (nid > 0) {
1683 item = snd_array_new(&codec->nids);
1684 if (!item)
1685 return -ENOMEM;
1686 item->kctl = kctl;
1687 item->index = index;
1688 item->nid = nid;
1689 return 0;
1690 }
1691 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1692 kctl->id.name, kctl->id.index, index);
1693 return -EINVAL;
1694}
1695EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1696
1697
1698
1699
1700
1701void snd_hda_ctls_clear(struct hda_codec *codec)
1702{
1703 int i;
1704 struct hda_nid_item *items = codec->mixers.list;
1705 for (i = 0; i < codec->mixers.used; i++)
1706 snd_ctl_remove(codec->card, items[i].kctl);
1707 snd_array_free(&codec->mixers);
1708 snd_array_free(&codec->nids);
1709}
1710
1711
1712
1713
1714
1715
1716
1717int snd_hda_lock_devices(struct hda_bus *bus)
1718{
1719 struct snd_card *card = bus->card;
1720 struct hda_codec *codec;
1721
1722 spin_lock(&card->files_lock);
1723 if (card->shutdown)
1724 goto err_unlock;
1725 card->shutdown = 1;
1726 if (!list_empty(&card->ctl_files))
1727 goto err_clear;
1728
1729 list_for_each_codec(codec, bus) {
1730 struct hda_pcm *cpcm;
1731 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1732 if (!cpcm->pcm)
1733 continue;
1734 if (cpcm->pcm->streams[0].substream_opened ||
1735 cpcm->pcm->streams[1].substream_opened)
1736 goto err_clear;
1737 }
1738 }
1739 spin_unlock(&card->files_lock);
1740 return 0;
1741
1742 err_clear:
1743 card->shutdown = 0;
1744 err_unlock:
1745 spin_unlock(&card->files_lock);
1746 return -EINVAL;
1747}
1748EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1749
1750
1751
1752
1753
1754void snd_hda_unlock_devices(struct hda_bus *bus)
1755{
1756 struct snd_card *card = bus->card;
1757
1758 spin_lock(&card->files_lock);
1759 card->shutdown = 0;
1760 spin_unlock(&card->files_lock);
1761}
1762EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774int snd_hda_codec_reset(struct hda_codec *codec)
1775{
1776 struct hda_bus *bus = codec->bus;
1777
1778 if (snd_hda_lock_devices(bus) < 0)
1779 return -EBUSY;
1780
1781
1782 snd_hdac_device_unregister(&codec->core);
1783
1784
1785 snd_hda_unlock_devices(bus);
1786 return 0;
1787}
1788
1789typedef int (*map_slave_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1790
1791
1792static int map_slaves(struct hda_codec *codec, const char * const *slaves,
1793 const char *suffix, map_slave_func_t func, void *data)
1794{
1795 struct hda_nid_item *items;
1796 const char * const *s;
1797 int i, err;
1798
1799 items = codec->mixers.list;
1800 for (i = 0; i < codec->mixers.used; i++) {
1801 struct snd_kcontrol *sctl = items[i].kctl;
1802 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1803 continue;
1804 for (s = slaves; *s; s++) {
1805 char tmpname[sizeof(sctl->id.name)];
1806 const char *name = *s;
1807 if (suffix) {
1808 snprintf(tmpname, sizeof(tmpname), "%s %s",
1809 name, suffix);
1810 name = tmpname;
1811 }
1812 if (!strcmp(sctl->id.name, name)) {
1813 err = func(codec, data, sctl);
1814 if (err)
1815 return err;
1816 break;
1817 }
1818 }
1819 }
1820 return 0;
1821}
1822
1823static int check_slave_present(struct hda_codec *codec,
1824 void *data, struct snd_kcontrol *sctl)
1825{
1826 return 1;
1827}
1828
1829
1830static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1831{
1832 struct snd_ctl_elem_value *ucontrol;
1833 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1834 if (!ucontrol)
1835 return -ENOMEM;
1836 ucontrol->value.integer.value[0] = val;
1837 ucontrol->value.integer.value[1] = val;
1838 kctl->put(kctl, ucontrol);
1839 kfree(ucontrol);
1840 return 0;
1841}
1842
1843struct slave_init_arg {
1844 struct hda_codec *codec;
1845 int step;
1846};
1847
1848
1849static int init_slave_0dB(struct snd_kcontrol *slave,
1850 struct snd_kcontrol *kctl,
1851 void *_arg)
1852{
1853 struct slave_init_arg *arg = _arg;
1854 int _tlv[4];
1855 const int *tlv = NULL;
1856 int step;
1857 int val;
1858
1859 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1860 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1861 codec_err(arg->codec,
1862 "Unexpected TLV callback for slave %s:%d\n",
1863 kctl->id.name, kctl->id.index);
1864 return 0;
1865 }
1866 get_ctl_amp_tlv(kctl, _tlv);
1867 tlv = _tlv;
1868 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1869 tlv = kctl->tlv.p;
1870
1871 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1872 return 0;
1873
1874 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1875 step &= ~TLV_DB_SCALE_MUTE;
1876 if (!step)
1877 return 0;
1878 if (arg->step && arg->step != step) {
1879 codec_err(arg->codec,
1880 "Mismatching dB step for vmaster slave (%d!=%d)\n",
1881 arg->step, step);
1882 return 0;
1883 }
1884
1885 arg->step = step;
1886 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1887 if (val > 0) {
1888 put_kctl_with_value(slave, val);
1889 return val;
1890 }
1891
1892 return 0;
1893}
1894
1895
1896static int init_slave_unmute(struct snd_kcontrol *slave,
1897 struct snd_kcontrol *kctl,
1898 void *_arg)
1899{
1900 return put_kctl_with_value(slave, 1);
1901}
1902
1903static int add_slave(struct hda_codec *codec,
1904 void *data, struct snd_kcontrol *slave)
1905{
1906 return snd_ctl_add_slave(data, slave);
1907}
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1929 unsigned int *tlv, const char * const *slaves,
1930 const char *suffix, bool init_slave_vol,
1931 struct snd_kcontrol **ctl_ret)
1932{
1933 struct snd_kcontrol *kctl;
1934 int err;
1935
1936 if (ctl_ret)
1937 *ctl_ret = NULL;
1938
1939 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
1940 if (err != 1) {
1941 codec_dbg(codec, "No slave found for %s\n", name);
1942 return 0;
1943 }
1944 kctl = snd_ctl_make_virtual_master(name, tlv);
1945 if (!kctl)
1946 return -ENOMEM;
1947 err = snd_hda_ctl_add(codec, 0, kctl);
1948 if (err < 0)
1949 return err;
1950
1951 err = map_slaves(codec, slaves, suffix, add_slave, kctl);
1952 if (err < 0)
1953 return err;
1954
1955
1956 put_kctl_with_value(kctl, 0);
1957 if (init_slave_vol) {
1958 struct slave_init_arg arg = {
1959 .codec = codec,
1960 .step = 0,
1961 };
1962 snd_ctl_apply_vmaster_slaves(kctl,
1963 tlv ? init_slave_0dB : init_slave_unmute,
1964 &arg);
1965 }
1966
1967 if (ctl_ret)
1968 *ctl_ret = kctl;
1969 return 0;
1970}
1971EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1972
1973
1974
1975
1976static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
1977 struct snd_ctl_elem_info *uinfo)
1978{
1979 static const char * const texts[] = {
1980 "On", "Off", "Follow Master"
1981 };
1982
1983 return snd_ctl_enum_info(uinfo, 1, 3, texts);
1984}
1985
1986static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
1987 struct snd_ctl_elem_value *ucontrol)
1988{
1989 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1990 ucontrol->value.enumerated.item[0] = hook->mute_mode;
1991 return 0;
1992}
1993
1994static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
1995 struct snd_ctl_elem_value *ucontrol)
1996{
1997 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
1998 unsigned int old_mode = hook->mute_mode;
1999
2000 hook->mute_mode = ucontrol->value.enumerated.item[0];
2001 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2002 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2003 if (old_mode == hook->mute_mode)
2004 return 0;
2005 snd_hda_sync_vmaster_hook(hook);
2006 return 1;
2007}
2008
2009static const struct snd_kcontrol_new vmaster_mute_mode = {
2010 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2011 .name = "Mute-LED Mode",
2012 .info = vmaster_mute_mode_info,
2013 .get = vmaster_mute_mode_get,
2014 .put = vmaster_mute_mode_put,
2015};
2016
2017
2018static void vmaster_hook(void *private_data, int enabled)
2019{
2020 struct hda_vmaster_mute_hook *hook = private_data;
2021
2022 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2023 enabled = hook->mute_mode;
2024 hook->hook(hook->codec, enabled);
2025}
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2038 struct hda_vmaster_mute_hook *hook,
2039 bool expose_enum_ctl)
2040{
2041 struct snd_kcontrol *kctl;
2042
2043 if (!hook->hook || !hook->sw_kctl)
2044 return 0;
2045 hook->codec = codec;
2046 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2047 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2048 if (!expose_enum_ctl)
2049 return 0;
2050 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2051 if (!kctl)
2052 return -ENOMEM;
2053 return snd_hda_ctl_add(codec, 0, kctl);
2054}
2055EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2056
2057
2058
2059
2060
2061
2062
2063
2064void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2065{
2066 if (!hook->hook || !hook->codec)
2067 return;
2068
2069
2070
2071 if (hook->codec->bus->shutdown)
2072 return;
2073 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2074}
2075EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2087 struct snd_ctl_elem_info *uinfo)
2088{
2089 int chs = get_amp_channels(kcontrol);
2090
2091 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2092 uinfo->count = chs == 3 ? 2 : 1;
2093 uinfo->value.integer.min = 0;
2094 uinfo->value.integer.max = 1;
2095 return 0;
2096}
2097EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2108 struct snd_ctl_elem_value *ucontrol)
2109{
2110 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2111 hda_nid_t nid = get_amp_nid(kcontrol);
2112 int chs = get_amp_channels(kcontrol);
2113 int dir = get_amp_direction(kcontrol);
2114 int idx = get_amp_index(kcontrol);
2115 long *valp = ucontrol->value.integer.value;
2116
2117 if (chs & 1)
2118 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2119 HDA_AMP_MUTE) ? 0 : 1;
2120 if (chs & 2)
2121 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2122 HDA_AMP_MUTE) ? 0 : 1;
2123 return 0;
2124}
2125EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2136 struct snd_ctl_elem_value *ucontrol)
2137{
2138 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2139 hda_nid_t nid = get_amp_nid(kcontrol);
2140 int chs = get_amp_channels(kcontrol);
2141 int dir = get_amp_direction(kcontrol);
2142 int idx = get_amp_index(kcontrol);
2143 long *valp = ucontrol->value.integer.value;
2144 int change = 0;
2145
2146 if (chs & 1) {
2147 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2148 HDA_AMP_MUTE,
2149 *valp ? 0 : HDA_AMP_MUTE);
2150 valp++;
2151 }
2152 if (chs & 2)
2153 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2154 HDA_AMP_MUTE,
2155 *valp ? 0 : HDA_AMP_MUTE);
2156 hda_call_check_power_status(codec, nid);
2157 return change;
2158}
2159EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2160
2161
2162
2163
2164
2165static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2166 struct snd_ctl_elem_info *uinfo)
2167{
2168 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2169 uinfo->count = 1;
2170 return 0;
2171}
2172
2173static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2174 struct snd_ctl_elem_value *ucontrol)
2175{
2176 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2177 IEC958_AES0_NONAUDIO |
2178 IEC958_AES0_CON_EMPHASIS_5015 |
2179 IEC958_AES0_CON_NOT_COPYRIGHT;
2180 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2181 IEC958_AES1_CON_ORIGINAL;
2182 return 0;
2183}
2184
2185static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2186 struct snd_ctl_elem_value *ucontrol)
2187{
2188 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2189 IEC958_AES0_NONAUDIO |
2190 IEC958_AES0_PRO_EMPHASIS_5015;
2191 return 0;
2192}
2193
2194static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2195 struct snd_ctl_elem_value *ucontrol)
2196{
2197 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2198 int idx = kcontrol->private_value;
2199 struct hda_spdif_out *spdif;
2200
2201 if (WARN_ON(codec->spdif_out.used <= idx))
2202 return -EINVAL;
2203 mutex_lock(&codec->spdif_mutex);
2204 spdif = snd_array_elem(&codec->spdif_out, idx);
2205 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2206 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2207 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2208 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2209 mutex_unlock(&codec->spdif_mutex);
2210
2211 return 0;
2212}
2213
2214
2215
2216
2217static unsigned short convert_from_spdif_status(unsigned int sbits)
2218{
2219 unsigned short val = 0;
2220
2221 if (sbits & IEC958_AES0_PROFESSIONAL)
2222 val |= AC_DIG1_PROFESSIONAL;
2223 if (sbits & IEC958_AES0_NONAUDIO)
2224 val |= AC_DIG1_NONAUDIO;
2225 if (sbits & IEC958_AES0_PROFESSIONAL) {
2226 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2227 IEC958_AES0_PRO_EMPHASIS_5015)
2228 val |= AC_DIG1_EMPHASIS;
2229 } else {
2230 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2231 IEC958_AES0_CON_EMPHASIS_5015)
2232 val |= AC_DIG1_EMPHASIS;
2233 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2234 val |= AC_DIG1_COPYRIGHT;
2235 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2236 val |= AC_DIG1_LEVEL;
2237 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2238 }
2239 return val;
2240}
2241
2242
2243
2244static unsigned int convert_to_spdif_status(unsigned short val)
2245{
2246 unsigned int sbits = 0;
2247
2248 if (val & AC_DIG1_NONAUDIO)
2249 sbits |= IEC958_AES0_NONAUDIO;
2250 if (val & AC_DIG1_PROFESSIONAL)
2251 sbits |= IEC958_AES0_PROFESSIONAL;
2252 if (sbits & IEC958_AES0_PROFESSIONAL) {
2253 if (val & AC_DIG1_EMPHASIS)
2254 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2255 } else {
2256 if (val & AC_DIG1_EMPHASIS)
2257 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2258 if (!(val & AC_DIG1_COPYRIGHT))
2259 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2260 if (val & AC_DIG1_LEVEL)
2261 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2262 sbits |= val & (0x7f << 8);
2263 }
2264 return sbits;
2265}
2266
2267
2268static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2269 int mask, int val)
2270{
2271 const hda_nid_t *d;
2272
2273 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2274 mask, val);
2275 d = codec->slave_dig_outs;
2276 if (!d)
2277 return;
2278 for (; *d; d++)
2279 snd_hdac_regmap_update(&codec->core, *d,
2280 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2281}
2282
2283static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2284 int dig1, int dig2)
2285{
2286 unsigned int mask = 0;
2287 unsigned int val = 0;
2288
2289 if (dig1 != -1) {
2290 mask |= 0xff;
2291 val = dig1;
2292 }
2293 if (dig2 != -1) {
2294 mask |= 0xff00;
2295 val |= dig2 << 8;
2296 }
2297 set_dig_out(codec, nid, mask, val);
2298}
2299
2300static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2301 struct snd_ctl_elem_value *ucontrol)
2302{
2303 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2304 int idx = kcontrol->private_value;
2305 struct hda_spdif_out *spdif;
2306 hda_nid_t nid;
2307 unsigned short val;
2308 int change;
2309
2310 if (WARN_ON(codec->spdif_out.used <= idx))
2311 return -EINVAL;
2312 mutex_lock(&codec->spdif_mutex);
2313 spdif = snd_array_elem(&codec->spdif_out, idx);
2314 nid = spdif->nid;
2315 spdif->status = ucontrol->value.iec958.status[0] |
2316 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2317 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2318 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2319 val = convert_from_spdif_status(spdif->status);
2320 val |= spdif->ctls & 1;
2321 change = spdif->ctls != val;
2322 spdif->ctls = val;
2323 if (change && nid != (u16)-1)
2324 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2325 mutex_unlock(&codec->spdif_mutex);
2326 return change;
2327}
2328
2329#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2330
2331static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2332 struct snd_ctl_elem_value *ucontrol)
2333{
2334 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2335 int idx = kcontrol->private_value;
2336 struct hda_spdif_out *spdif;
2337
2338 if (WARN_ON(codec->spdif_out.used <= idx))
2339 return -EINVAL;
2340 mutex_lock(&codec->spdif_mutex);
2341 spdif = snd_array_elem(&codec->spdif_out, idx);
2342 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2343 mutex_unlock(&codec->spdif_mutex);
2344 return 0;
2345}
2346
2347static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2348 int dig1, int dig2)
2349{
2350 set_dig_out_convert(codec, nid, dig1, dig2);
2351
2352 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2353 (dig1 & AC_DIG1_ENABLE))
2354 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2355 HDA_AMP_MUTE, 0);
2356}
2357
2358static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2359 struct snd_ctl_elem_value *ucontrol)
2360{
2361 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2362 int idx = kcontrol->private_value;
2363 struct hda_spdif_out *spdif;
2364 hda_nid_t nid;
2365 unsigned short val;
2366 int change;
2367
2368 if (WARN_ON(codec->spdif_out.used <= idx))
2369 return -EINVAL;
2370 mutex_lock(&codec->spdif_mutex);
2371 spdif = snd_array_elem(&codec->spdif_out, idx);
2372 nid = spdif->nid;
2373 val = spdif->ctls & ~AC_DIG1_ENABLE;
2374 if (ucontrol->value.integer.value[0])
2375 val |= AC_DIG1_ENABLE;
2376 change = spdif->ctls != val;
2377 spdif->ctls = val;
2378 if (change && nid != (u16)-1)
2379 set_spdif_ctls(codec, nid, val & 0xff, -1);
2380 mutex_unlock(&codec->spdif_mutex);
2381 return change;
2382}
2383
2384static struct snd_kcontrol_new dig_mixes[] = {
2385 {
2386 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2387 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2388 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2389 .info = snd_hda_spdif_mask_info,
2390 .get = snd_hda_spdif_cmask_get,
2391 },
2392 {
2393 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2394 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2395 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2396 .info = snd_hda_spdif_mask_info,
2397 .get = snd_hda_spdif_pmask_get,
2398 },
2399 {
2400 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2401 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2402 .info = snd_hda_spdif_mask_info,
2403 .get = snd_hda_spdif_default_get,
2404 .put = snd_hda_spdif_default_put,
2405 },
2406 {
2407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2408 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2409 .info = snd_hda_spdif_out_switch_info,
2410 .get = snd_hda_spdif_out_switch_get,
2411 .put = snd_hda_spdif_out_switch_put,
2412 },
2413 { }
2414};
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2428 hda_nid_t associated_nid,
2429 hda_nid_t cvt_nid,
2430 int type)
2431{
2432 int err;
2433 struct snd_kcontrol *kctl;
2434 struct snd_kcontrol_new *dig_mix;
2435 int idx = 0;
2436 int val = 0;
2437 const int spdif_index = 16;
2438 struct hda_spdif_out *spdif;
2439 struct hda_bus *bus = codec->bus;
2440
2441 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2442 type == HDA_PCM_TYPE_SPDIF) {
2443 idx = spdif_index;
2444 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2445 type == HDA_PCM_TYPE_HDMI) {
2446
2447 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2448 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2449 if (!kctl)
2450 break;
2451 kctl->id.index = spdif_index;
2452 }
2453 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2454 }
2455 if (!bus->primary_dig_out_type)
2456 bus->primary_dig_out_type = type;
2457
2458 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2459 if (idx < 0) {
2460 codec_err(codec, "too many IEC958 outputs\n");
2461 return -EBUSY;
2462 }
2463 spdif = snd_array_new(&codec->spdif_out);
2464 if (!spdif)
2465 return -ENOMEM;
2466 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2467 kctl = snd_ctl_new1(dig_mix, codec);
2468 if (!kctl)
2469 return -ENOMEM;
2470 kctl->id.index = idx;
2471 kctl->private_value = codec->spdif_out.used - 1;
2472 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2473 if (err < 0)
2474 return err;
2475 }
2476 spdif->nid = cvt_nid;
2477 snd_hdac_regmap_read(&codec->core, cvt_nid,
2478 AC_VERB_GET_DIGI_CONVERT_1, &val);
2479 spdif->ctls = val;
2480 spdif->status = convert_to_spdif_status(spdif->ctls);
2481 return 0;
2482}
2483EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2484
2485
2486
2487
2488
2489
2490
2491
2492struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2493 hda_nid_t nid)
2494{
2495 struct hda_spdif_out *spdif;
2496 int i;
2497
2498 snd_array_for_each(&codec->spdif_out, i, spdif) {
2499 if (spdif->nid == nid)
2500 return spdif;
2501 }
2502 return NULL;
2503}
2504EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2505
2506
2507
2508
2509
2510
2511
2512
2513void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2514{
2515 struct hda_spdif_out *spdif;
2516
2517 if (WARN_ON(codec->spdif_out.used <= idx))
2518 return;
2519 mutex_lock(&codec->spdif_mutex);
2520 spdif = snd_array_elem(&codec->spdif_out, idx);
2521 spdif->nid = (u16)-1;
2522 mutex_unlock(&codec->spdif_mutex);
2523}
2524EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2535{
2536 struct hda_spdif_out *spdif;
2537 unsigned short val;
2538
2539 if (WARN_ON(codec->spdif_out.used <= idx))
2540 return;
2541 mutex_lock(&codec->spdif_mutex);
2542 spdif = snd_array_elem(&codec->spdif_out, idx);
2543 if (spdif->nid != nid) {
2544 spdif->nid = nid;
2545 val = spdif->ctls;
2546 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2547 }
2548 mutex_unlock(&codec->spdif_mutex);
2549}
2550EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2551
2552
2553
2554
2555static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2556 struct snd_ctl_elem_value *ucontrol)
2557{
2558 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2559 ucontrol->value.integer.value[0] = mout->share_spdif;
2560 return 0;
2561}
2562
2563static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2564 struct snd_ctl_elem_value *ucontrol)
2565{
2566 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2567 mout->share_spdif = !!ucontrol->value.integer.value[0];
2568 return 0;
2569}
2570
2571static const struct snd_kcontrol_new spdif_share_sw = {
2572 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2573 .name = "IEC958 Default PCM Playback Switch",
2574 .info = snd_ctl_boolean_mono_info,
2575 .get = spdif_share_sw_get,
2576 .put = spdif_share_sw_put,
2577};
2578
2579
2580
2581
2582
2583
2584int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2585 struct hda_multi_out *mout)
2586{
2587 struct snd_kcontrol *kctl;
2588
2589 if (!mout->dig_out_nid)
2590 return 0;
2591
2592 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2593 if (!kctl)
2594 return -ENOMEM;
2595
2596 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2597}
2598EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2599
2600
2601
2602
2603
2604#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2605
2606static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2607 struct snd_ctl_elem_value *ucontrol)
2608{
2609 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2610
2611 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2612 return 0;
2613}
2614
2615static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2616 struct snd_ctl_elem_value *ucontrol)
2617{
2618 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2619 hda_nid_t nid = kcontrol->private_value;
2620 unsigned int val = !!ucontrol->value.integer.value[0];
2621 int change;
2622
2623 mutex_lock(&codec->spdif_mutex);
2624 change = codec->spdif_in_enable != val;
2625 if (change) {
2626 codec->spdif_in_enable = val;
2627 snd_hdac_regmap_write(&codec->core, nid,
2628 AC_VERB_SET_DIGI_CONVERT_1, val);
2629 }
2630 mutex_unlock(&codec->spdif_mutex);
2631 return change;
2632}
2633
2634static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2635 struct snd_ctl_elem_value *ucontrol)
2636{
2637 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2638 hda_nid_t nid = kcontrol->private_value;
2639 unsigned int val;
2640 unsigned int sbits;
2641
2642 snd_hdac_regmap_read(&codec->core, nid,
2643 AC_VERB_GET_DIGI_CONVERT_1, &val);
2644 sbits = convert_to_spdif_status(val);
2645 ucontrol->value.iec958.status[0] = sbits;
2646 ucontrol->value.iec958.status[1] = sbits >> 8;
2647 ucontrol->value.iec958.status[2] = sbits >> 16;
2648 ucontrol->value.iec958.status[3] = sbits >> 24;
2649 return 0;
2650}
2651
2652static struct snd_kcontrol_new dig_in_ctls[] = {
2653 {
2654 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2655 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2656 .info = snd_hda_spdif_in_switch_info,
2657 .get = snd_hda_spdif_in_switch_get,
2658 .put = snd_hda_spdif_in_switch_put,
2659 },
2660 {
2661 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2662 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2663 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2664 .info = snd_hda_spdif_mask_info,
2665 .get = snd_hda_spdif_in_status_get,
2666 },
2667 { }
2668};
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2681{
2682 int err;
2683 struct snd_kcontrol *kctl;
2684 struct snd_kcontrol_new *dig_mix;
2685 int idx;
2686
2687 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2688 if (idx < 0) {
2689 codec_err(codec, "too many IEC958 inputs\n");
2690 return -EBUSY;
2691 }
2692 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2693 kctl = snd_ctl_new1(dig_mix, codec);
2694 if (!kctl)
2695 return -ENOMEM;
2696 kctl->private_value = nid;
2697 err = snd_hda_ctl_add(codec, nid, kctl);
2698 if (err < 0)
2699 return err;
2700 }
2701 codec->spdif_in_enable =
2702 snd_hda_codec_read(codec, nid, 0,
2703 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2704 AC_DIG1_ENABLE;
2705 return 0;
2706}
2707EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2720 unsigned int power_state)
2721{
2722 hda_nid_t nid;
2723
2724 for_each_hda_codec_node(nid, codec) {
2725 unsigned int wcaps = get_wcaps(codec, nid);
2726 unsigned int state = power_state;
2727 if (!(wcaps & AC_WCAP_POWER))
2728 continue;
2729 if (codec->power_filter) {
2730 state = codec->power_filter(codec, nid, power_state);
2731 if (state != power_state && power_state == AC_PWRST_D3)
2732 continue;
2733 }
2734 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2735 state);
2736 }
2737}
2738EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2750 hda_nid_t nid,
2751 unsigned int power_state)
2752{
2753 if (nid == codec->core.afg || nid == codec->core.mfg)
2754 return power_state;
2755 if (power_state == AC_PWRST_D3 &&
2756 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2757 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2758 int eapd = snd_hda_codec_read(codec, nid, 0,
2759 AC_VERB_GET_EAPD_BTLENABLE, 0);
2760 if (eapd & 0x02)
2761 return AC_PWRST_D0;
2762 }
2763 return power_state;
2764}
2765EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2766
2767
2768
2769
2770static unsigned int hda_set_power_state(struct hda_codec *codec,
2771 unsigned int power_state)
2772{
2773 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2774 int count;
2775 unsigned int state;
2776 int flags = 0;
2777
2778
2779 if (power_state == AC_PWRST_D3) {
2780 if (codec->depop_delay < 0)
2781 msleep(codec_has_epss(codec) ? 10 : 100);
2782 else if (codec->depop_delay > 0)
2783 msleep(codec->depop_delay);
2784 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2785 }
2786
2787
2788 for (count = 0; count < 10; count++) {
2789 if (codec->patch_ops.set_power_state)
2790 codec->patch_ops.set_power_state(codec, fg,
2791 power_state);
2792 else {
2793 state = power_state;
2794 if (codec->power_filter)
2795 state = codec->power_filter(codec, fg, state);
2796 if (state == power_state || power_state != AC_PWRST_D3)
2797 snd_hda_codec_read(codec, fg, flags,
2798 AC_VERB_SET_POWER_STATE,
2799 state);
2800 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2801 }
2802 state = snd_hda_sync_power_state(codec, fg, power_state);
2803 if (!(state & AC_PWRST_ERROR))
2804 break;
2805 }
2806
2807 return state;
2808}
2809
2810
2811
2812
2813static void sync_power_up_states(struct hda_codec *codec)
2814{
2815 hda_nid_t nid;
2816
2817
2818 if (!codec->power_filter)
2819 return;
2820
2821 for_each_hda_codec_node(nid, codec) {
2822 unsigned int wcaps = get_wcaps(codec, nid);
2823 unsigned int target;
2824 if (!(wcaps & AC_WCAP_POWER))
2825 continue;
2826 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2827 if (target == AC_PWRST_D0)
2828 continue;
2829 if (!snd_hda_check_power_state(codec, nid, target))
2830 snd_hda_codec_write(codec, nid, 0,
2831 AC_VERB_SET_POWER_STATE, target);
2832 }
2833}
2834
2835#ifdef CONFIG_SND_HDA_RECONFIG
2836
2837static void hda_exec_init_verbs(struct hda_codec *codec)
2838{
2839 if (codec->init_verbs.list)
2840 snd_hda_sequence_write(codec, codec->init_verbs.list);
2841}
2842#else
2843static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2844#endif
2845
2846#ifdef CONFIG_PM
2847
2848static void update_power_acct(struct hda_codec *codec, bool on)
2849{
2850 unsigned long delta = jiffies - codec->power_jiffies;
2851
2852 if (on)
2853 codec->power_on_acct += delta;
2854 else
2855 codec->power_off_acct += delta;
2856 codec->power_jiffies += delta;
2857}
2858
2859void snd_hda_update_power_acct(struct hda_codec *codec)
2860{
2861 update_power_acct(codec, hda_codec_is_power_on(codec));
2862}
2863
2864
2865
2866
2867
2868static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2869{
2870 unsigned int state;
2871
2872 snd_hdac_enter_pm(&codec->core);
2873 if (codec->patch_ops.suspend)
2874 codec->patch_ops.suspend(codec);
2875 hda_cleanup_all_streams(codec);
2876 state = hda_set_power_state(codec, AC_PWRST_D3);
2877 update_power_acct(codec, true);
2878 snd_hdac_leave_pm(&codec->core);
2879 return state;
2880}
2881
2882
2883
2884
2885static void hda_call_codec_resume(struct hda_codec *codec)
2886{
2887 snd_hdac_enter_pm(&codec->core);
2888 if (codec->core.regmap)
2889 regcache_mark_dirty(codec->core.regmap);
2890
2891 codec->power_jiffies = jiffies;
2892
2893 hda_set_power_state(codec, AC_PWRST_D0);
2894 restore_shutup_pins(codec);
2895 hda_exec_init_verbs(codec);
2896 snd_hda_jack_set_dirty_all(codec);
2897 if (codec->patch_ops.resume)
2898 codec->patch_ops.resume(codec);
2899 else {
2900 if (codec->patch_ops.init)
2901 codec->patch_ops.init(codec);
2902 if (codec->core.regmap)
2903 regcache_sync(codec->core.regmap);
2904 }
2905
2906 if (codec->jackpoll_interval)
2907 hda_jackpoll_work(&codec->jackpoll_work.work);
2908 else
2909 snd_hda_jack_report_sync(codec);
2910 codec->core.dev.power.power_state = PMSG_ON;
2911 snd_hdac_leave_pm(&codec->core);
2912}
2913
2914static int hda_codec_runtime_suspend(struct device *dev)
2915{
2916 struct hda_codec *codec = dev_to_hda_codec(dev);
2917 unsigned int state;
2918
2919 cancel_delayed_work_sync(&codec->jackpoll_work);
2920 state = hda_call_codec_suspend(codec);
2921 if (codec->link_down_at_suspend ||
2922 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2923 (state & AC_PWRST_CLK_STOP_OK)))
2924 snd_hdac_codec_link_down(&codec->core);
2925 codec_display_power(codec, false);
2926 return 0;
2927}
2928
2929static int hda_codec_runtime_resume(struct device *dev)
2930{
2931 struct hda_codec *codec = dev_to_hda_codec(dev);
2932
2933 codec_display_power(codec, true);
2934 snd_hdac_codec_link_up(&codec->core);
2935 hda_call_codec_resume(codec);
2936 pm_runtime_mark_last_busy(dev);
2937 return 0;
2938}
2939#endif
2940
2941#ifdef CONFIG_PM_SLEEP
2942static int hda_codec_force_resume(struct device *dev)
2943{
2944 struct hda_codec *codec = dev_to_hda_codec(dev);
2945 bool forced_resume = !codec->relaxed_resume && codec->jacktbl.used;
2946 int ret;
2947
2948
2949
2950
2951
2952 if (forced_resume)
2953 pm_runtime_get_noresume(dev);
2954 ret = pm_runtime_force_resume(dev);
2955 if (forced_resume)
2956 pm_runtime_put(dev);
2957 return ret;
2958}
2959
2960static int hda_codec_pm_suspend(struct device *dev)
2961{
2962 dev->power.power_state = PMSG_SUSPEND;
2963 return pm_runtime_force_suspend(dev);
2964}
2965
2966static int hda_codec_pm_resume(struct device *dev)
2967{
2968 dev->power.power_state = PMSG_RESUME;
2969 return hda_codec_force_resume(dev);
2970}
2971
2972static int hda_codec_pm_freeze(struct device *dev)
2973{
2974 dev->power.power_state = PMSG_FREEZE;
2975 return pm_runtime_force_suspend(dev);
2976}
2977
2978static int hda_codec_pm_thaw(struct device *dev)
2979{
2980 dev->power.power_state = PMSG_THAW;
2981 return hda_codec_force_resume(dev);
2982}
2983
2984static int hda_codec_pm_restore(struct device *dev)
2985{
2986 dev->power.power_state = PMSG_RESTORE;
2987 return hda_codec_force_resume(dev);
2988}
2989#endif
2990
2991
2992const struct dev_pm_ops hda_codec_driver_pm = {
2993#ifdef CONFIG_PM_SLEEP
2994 .suspend = hda_codec_pm_suspend,
2995 .resume = hda_codec_pm_resume,
2996 .freeze = hda_codec_pm_freeze,
2997 .thaw = hda_codec_pm_thaw,
2998 .poweroff = hda_codec_pm_suspend,
2999 .restore = hda_codec_pm_restore,
3000#endif
3001 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3002 NULL)
3003};
3004
3005
3006
3007
3008static int add_std_chmaps(struct hda_codec *codec)
3009{
3010 struct hda_pcm *pcm;
3011 int str, err;
3012
3013 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3014 for (str = 0; str < 2; str++) {
3015 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3016 struct snd_pcm_chmap *chmap;
3017 const struct snd_pcm_chmap_elem *elem;
3018
3019 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3020 continue;
3021 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3022 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3023 hinfo->channels_max,
3024 0, &chmap);
3025 if (err < 0)
3026 return err;
3027 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3028 }
3029 }
3030 return 0;
3031}
3032
3033
3034
3035
3036const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3037 { .channels = 2,
3038 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3039 { .channels = 4,
3040 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3041 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3042 { }
3043};
3044EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3045
3046int snd_hda_codec_build_controls(struct hda_codec *codec)
3047{
3048 int err = 0;
3049 hda_exec_init_verbs(codec);
3050
3051 if (codec->patch_ops.init)
3052 err = codec->patch_ops.init(codec);
3053 if (!err && codec->patch_ops.build_controls)
3054 err = codec->patch_ops.build_controls(codec);
3055 if (err < 0)
3056 return err;
3057
3058
3059 err = add_std_chmaps(codec);
3060 if (err < 0)
3061 return err;
3062
3063 if (codec->jackpoll_interval)
3064 hda_jackpoll_work(&codec->jackpoll_work.work);
3065 else
3066 snd_hda_jack_report_sync(codec);
3067 sync_power_up_states(codec);
3068 return 0;
3069}
3070EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3071
3072
3073
3074
3075static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3076 struct hda_codec *codec,
3077 struct snd_pcm_substream *substream)
3078{
3079 return 0;
3080}
3081
3082static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3083 struct hda_codec *codec,
3084 unsigned int stream_tag,
3085 unsigned int format,
3086 struct snd_pcm_substream *substream)
3087{
3088 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3089 return 0;
3090}
3091
3092static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3093 struct hda_codec *codec,
3094 struct snd_pcm_substream *substream)
3095{
3096 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3097 return 0;
3098}
3099
3100static int set_pcm_default_values(struct hda_codec *codec,
3101 struct hda_pcm_stream *info)
3102{
3103 int err;
3104
3105
3106 if (info->nid && (!info->rates || !info->formats)) {
3107 err = snd_hda_query_supported_pcm(codec, info->nid,
3108 info->rates ? NULL : &info->rates,
3109 info->formats ? NULL : &info->formats,
3110 info->maxbps ? NULL : &info->maxbps);
3111 if (err < 0)
3112 return err;
3113 }
3114 if (info->ops.open == NULL)
3115 info->ops.open = hda_pcm_default_open_close;
3116 if (info->ops.close == NULL)
3117 info->ops.close = hda_pcm_default_open_close;
3118 if (info->ops.prepare == NULL) {
3119 if (snd_BUG_ON(!info->nid))
3120 return -EINVAL;
3121 info->ops.prepare = hda_pcm_default_prepare;
3122 }
3123 if (info->ops.cleanup == NULL) {
3124 if (snd_BUG_ON(!info->nid))
3125 return -EINVAL;
3126 info->ops.cleanup = hda_pcm_default_cleanup;
3127 }
3128 return 0;
3129}
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145int snd_hda_codec_prepare(struct hda_codec *codec,
3146 struct hda_pcm_stream *hinfo,
3147 unsigned int stream,
3148 unsigned int format,
3149 struct snd_pcm_substream *substream)
3150{
3151 int ret;
3152 mutex_lock(&codec->bus->prepare_mutex);
3153 if (hinfo->ops.prepare)
3154 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3155 substream);
3156 else
3157 ret = -ENODEV;
3158 if (ret >= 0)
3159 purify_inactive_streams(codec);
3160 mutex_unlock(&codec->bus->prepare_mutex);
3161 return ret;
3162}
3163EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173void snd_hda_codec_cleanup(struct hda_codec *codec,
3174 struct hda_pcm_stream *hinfo,
3175 struct snd_pcm_substream *substream)
3176{
3177 mutex_lock(&codec->bus->prepare_mutex);
3178 if (hinfo->ops.cleanup)
3179 hinfo->ops.cleanup(hinfo, codec, substream);
3180 mutex_unlock(&codec->bus->prepare_mutex);
3181}
3182EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3183
3184
3185const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3186 "Audio", "SPDIF", "HDMI", "Modem"
3187};
3188
3189
3190
3191
3192static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3193{
3194
3195
3196
3197
3198 static int audio_idx[HDA_PCM_NTYPES][5] = {
3199 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3200 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3201 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3202 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3203 };
3204 int i;
3205
3206 if (type >= HDA_PCM_NTYPES) {
3207 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3208 return -EINVAL;
3209 }
3210
3211 for (i = 0; audio_idx[type][i] >= 0; i++) {
3212#ifndef CONFIG_SND_DYNAMIC_MINORS
3213 if (audio_idx[type][i] >= 8)
3214 break;
3215#endif
3216 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3217 return audio_idx[type][i];
3218 }
3219
3220#ifdef CONFIG_SND_DYNAMIC_MINORS
3221
3222 for (i = 10; i < 32; i++) {
3223 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3224 return i;
3225 }
3226#endif
3227
3228 dev_warn(bus->card->dev, "Too many %s devices\n",
3229 snd_hda_pcm_type_name[type]);
3230#ifndef CONFIG_SND_DYNAMIC_MINORS
3231 dev_warn(bus->card->dev,
3232 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3233#endif
3234 return -EAGAIN;
3235}
3236
3237
3238int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3239{
3240 struct hda_pcm *cpcm;
3241 int err;
3242
3243 if (!list_empty(&codec->pcm_list_head))
3244 return 0;
3245
3246 if (!codec->patch_ops.build_pcms)
3247 return 0;
3248
3249 err = codec->patch_ops.build_pcms(codec);
3250 if (err < 0) {
3251 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3252 codec->core.addr, err);
3253 return err;
3254 }
3255
3256 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3257 int stream;
3258
3259 for (stream = 0; stream < 2; stream++) {
3260 struct hda_pcm_stream *info = &cpcm->stream[stream];
3261
3262 if (!info->substreams)
3263 continue;
3264 err = set_pcm_default_values(codec, info);
3265 if (err < 0) {
3266 codec_warn(codec,
3267 "fail to setup default for PCM %s\n",
3268 cpcm->name);
3269 return err;
3270 }
3271 }
3272 }
3273
3274 return 0;
3275}
3276EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3277
3278
3279int snd_hda_codec_build_pcms(struct hda_codec *codec)
3280{
3281 struct hda_bus *bus = codec->bus;
3282 struct hda_pcm *cpcm;
3283 int dev, err;
3284
3285 err = snd_hda_codec_parse_pcms(codec);
3286 if (err < 0)
3287 return err;
3288
3289
3290 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3291 if (cpcm->pcm)
3292 continue;
3293 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3294 continue;
3295
3296 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3297 if (dev < 0) {
3298 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3299 continue;
3300 }
3301 cpcm->device = dev;
3302 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3303 if (err < 0) {
3304 codec_err(codec,
3305 "cannot attach PCM stream %d for codec #%d\n",
3306 dev, codec->core.addr);
3307 continue;
3308 }
3309 }
3310
3311 return 0;
3312}
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324int snd_hda_add_new_ctls(struct hda_codec *codec,
3325 const struct snd_kcontrol_new *knew)
3326{
3327 int err;
3328
3329 for (; knew->name; knew++) {
3330 struct snd_kcontrol *kctl;
3331 int addr = 0, idx = 0;
3332 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3333 continue;
3334 for (;;) {
3335 kctl = snd_ctl_new1(knew, codec);
3336 if (!kctl)
3337 return -ENOMEM;
3338 if (addr > 0)
3339 kctl->id.device = addr;
3340 if (idx > 0)
3341 kctl->id.index = idx;
3342 err = snd_hda_ctl_add(codec, 0, kctl);
3343 if (!err)
3344 break;
3345
3346
3347
3348
3349 if (!addr && codec->core.addr)
3350 addr = codec->core.addr;
3351 else if (!idx && !knew->index) {
3352 idx = find_empty_mixer_ctl_idx(codec,
3353 knew->name, 0);
3354 if (idx <= 0)
3355 return err;
3356 } else
3357 return err;
3358 }
3359 }
3360 return 0;
3361}
3362EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3363
3364#ifdef CONFIG_PM
3365static void codec_set_power_save(struct hda_codec *codec, int delay)
3366{
3367 struct device *dev = hda_codec_dev(codec);
3368
3369 if (delay == 0 && codec->auto_runtime_pm)
3370 delay = 3000;
3371
3372 if (delay > 0) {
3373 pm_runtime_set_autosuspend_delay(dev, delay);
3374 pm_runtime_use_autosuspend(dev);
3375 pm_runtime_allow(dev);
3376 if (!pm_runtime_suspended(dev))
3377 pm_runtime_mark_last_busy(dev);
3378 } else {
3379 pm_runtime_dont_use_autosuspend(dev);
3380 pm_runtime_forbid(dev);
3381 }
3382}
3383
3384
3385
3386
3387
3388
3389
3390
3391void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3392{
3393 struct hda_codec *c;
3394
3395 list_for_each_codec(c, bus)
3396 codec_set_power_save(c, delay);
3397}
3398EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413int snd_hda_check_amp_list_power(struct hda_codec *codec,
3414 struct hda_loopback_check *check,
3415 hda_nid_t nid)
3416{
3417 const struct hda_amp_list *p;
3418 int ch, v;
3419
3420 if (!check->amplist)
3421 return 0;
3422 for (p = check->amplist; p->nid; p++) {
3423 if (p->nid == nid)
3424 break;
3425 }
3426 if (!p->nid)
3427 return 0;
3428
3429 for (p = check->amplist; p->nid; p++) {
3430 for (ch = 0; ch < 2; ch++) {
3431 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3432 p->idx);
3433 if (!(v & HDA_AMP_MUTE) && v > 0) {
3434 if (!check->power_on) {
3435 check->power_on = 1;
3436 snd_hda_power_up_pm(codec);
3437 }
3438 return 1;
3439 }
3440 }
3441 }
3442 if (check->power_on) {
3443 check->power_on = 0;
3444 snd_hda_power_down_pm(codec);
3445 }
3446 return 0;
3447}
3448EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3449#endif
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3461 struct snd_ctl_elem_info *uinfo)
3462{
3463 unsigned int index;
3464
3465 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3466 uinfo->count = 1;
3467 uinfo->value.enumerated.items = imux->num_items;
3468 if (!imux->num_items)
3469 return 0;
3470 index = uinfo->value.enumerated.item;
3471 if (index >= imux->num_items)
3472 index = imux->num_items - 1;
3473 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3474 return 0;
3475}
3476EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486int snd_hda_input_mux_put(struct hda_codec *codec,
3487 const struct hda_input_mux *imux,
3488 struct snd_ctl_elem_value *ucontrol,
3489 hda_nid_t nid,
3490 unsigned int *cur_val)
3491{
3492 unsigned int idx;
3493
3494 if (!imux->num_items)
3495 return 0;
3496 idx = ucontrol->value.enumerated.item[0];
3497 if (idx >= imux->num_items)
3498 idx = imux->num_items - 1;
3499 if (*cur_val == idx)
3500 return 0;
3501 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3502 imux->items[idx].index);
3503 *cur_val = idx;
3504 return 1;
3505}
3506EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3520 struct snd_ctl_elem_info *uinfo,
3521 int num_items, const char * const *texts)
3522{
3523 static const char * const texts_default[] = {
3524 "Disabled", "Enabled"
3525 };
3526
3527 if (!texts || !num_items) {
3528 num_items = 2;
3529 texts = texts_default;
3530 }
3531
3532 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3533}
3534EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3535
3536
3537
3538
3539
3540
3541static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3542 unsigned int stream_tag, unsigned int format)
3543{
3544 struct hda_spdif_out *spdif;
3545 unsigned int curr_fmt;
3546 bool reset;
3547
3548 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3549
3550
3551
3552 if (WARN_ON(spdif == NULL))
3553 return;
3554
3555 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3556 AC_VERB_GET_STREAM_FORMAT, 0);
3557 reset = codec->spdif_status_reset &&
3558 (spdif->ctls & AC_DIG1_ENABLE) &&
3559 curr_fmt != format;
3560
3561
3562
3563 if (reset)
3564 set_dig_out_convert(codec, nid,
3565 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3566 -1);
3567 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3568 if (codec->slave_dig_outs) {
3569 const hda_nid_t *d;
3570 for (d = codec->slave_dig_outs; *d; d++)
3571 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3572 format);
3573 }
3574
3575 if (reset)
3576 set_dig_out_convert(codec, nid,
3577 spdif->ctls & 0xff, -1);
3578}
3579
3580static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3581{
3582 snd_hda_codec_cleanup_stream(codec, nid);
3583 if (codec->slave_dig_outs) {
3584 const hda_nid_t *d;
3585 for (d = codec->slave_dig_outs; *d; d++)
3586 snd_hda_codec_cleanup_stream(codec, *d);
3587 }
3588}
3589
3590
3591
3592
3593
3594
3595int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3596 struct hda_multi_out *mout)
3597{
3598 mutex_lock(&codec->spdif_mutex);
3599 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3600
3601 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3602 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3603 mutex_unlock(&codec->spdif_mutex);
3604 return 0;
3605}
3606EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3617 struct hda_multi_out *mout,
3618 unsigned int stream_tag,
3619 unsigned int format,
3620 struct snd_pcm_substream *substream)
3621{
3622 mutex_lock(&codec->spdif_mutex);
3623 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3624 mutex_unlock(&codec->spdif_mutex);
3625 return 0;
3626}
3627EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3628
3629
3630
3631
3632
3633
3634int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3635 struct hda_multi_out *mout)
3636{
3637 mutex_lock(&codec->spdif_mutex);
3638 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3639 mutex_unlock(&codec->spdif_mutex);
3640 return 0;
3641}
3642EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3643
3644
3645
3646
3647
3648
3649int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3650 struct hda_multi_out *mout)
3651{
3652 mutex_lock(&codec->spdif_mutex);
3653 mout->dig_out_used = 0;
3654 mutex_unlock(&codec->spdif_mutex);
3655 return 0;
3656}
3657EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3671 struct hda_multi_out *mout,
3672 struct snd_pcm_substream *substream,
3673 struct hda_pcm_stream *hinfo)
3674{
3675 struct snd_pcm_runtime *runtime = substream->runtime;
3676 runtime->hw.channels_max = mout->max_channels;
3677 if (mout->dig_out_nid) {
3678 if (!mout->analog_rates) {
3679 mout->analog_rates = hinfo->rates;
3680 mout->analog_formats = hinfo->formats;
3681 mout->analog_maxbps = hinfo->maxbps;
3682 } else {
3683 runtime->hw.rates = mout->analog_rates;
3684 runtime->hw.formats = mout->analog_formats;
3685 hinfo->maxbps = mout->analog_maxbps;
3686 }
3687 if (!mout->spdif_rates) {
3688 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3689 &mout->spdif_rates,
3690 &mout->spdif_formats,
3691 &mout->spdif_maxbps);
3692 }
3693 mutex_lock(&codec->spdif_mutex);
3694 if (mout->share_spdif) {
3695 if ((runtime->hw.rates & mout->spdif_rates) &&
3696 (runtime->hw.formats & mout->spdif_formats)) {
3697 runtime->hw.rates &= mout->spdif_rates;
3698 runtime->hw.formats &= mout->spdif_formats;
3699 if (mout->spdif_maxbps < hinfo->maxbps)
3700 hinfo->maxbps = mout->spdif_maxbps;
3701 } else {
3702 mout->share_spdif = 0;
3703
3704 }
3705 }
3706 mutex_unlock(&codec->spdif_mutex);
3707 }
3708 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3709 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3710}
3711EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3725 struct hda_multi_out *mout,
3726 unsigned int stream_tag,
3727 unsigned int format,
3728 struct snd_pcm_substream *substream)
3729{
3730 const hda_nid_t *nids = mout->dac_nids;
3731 int chs = substream->runtime->channels;
3732 struct hda_spdif_out *spdif;
3733 int i;
3734
3735 mutex_lock(&codec->spdif_mutex);
3736 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3737 if (mout->dig_out_nid && mout->share_spdif &&
3738 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3739 if (chs == 2 && spdif != NULL &&
3740 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3741 format) &&
3742 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3743 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3744 setup_dig_out_stream(codec, mout->dig_out_nid,
3745 stream_tag, format);
3746 } else {
3747 mout->dig_out_used = 0;
3748 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3749 }
3750 }
3751 mutex_unlock(&codec->spdif_mutex);
3752
3753
3754 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3755 0, format);
3756 if (!mout->no_share_stream &&
3757 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3758
3759 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3760 0, format);
3761
3762 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3763 if (!mout->no_share_stream && mout->hp_out_nid[i])
3764 snd_hda_codec_setup_stream(codec,
3765 mout->hp_out_nid[i],
3766 stream_tag, 0, format);
3767
3768
3769 for (i = 1; i < mout->num_dacs; i++) {
3770 if (chs >= (i + 1) * 2)
3771 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3772 i * 2, format);
3773 else if (!mout->no_share_stream)
3774 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3775 0, format);
3776 }
3777
3778
3779 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3780 int ch = 0;
3781 if (!mout->extra_out_nid[i])
3782 break;
3783 if (chs >= (i + 1) * 2)
3784 ch = i * 2;
3785 else if (!mout->no_share_stream)
3786 break;
3787 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3788 stream_tag, ch, format);
3789 }
3790
3791 return 0;
3792}
3793EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3794
3795
3796
3797
3798
3799
3800int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3801 struct hda_multi_out *mout)
3802{
3803 const hda_nid_t *nids = mout->dac_nids;
3804 int i;
3805
3806 for (i = 0; i < mout->num_dacs; i++)
3807 snd_hda_codec_cleanup_stream(codec, nids[i]);
3808 if (mout->hp_nid)
3809 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3810 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3811 if (mout->hp_out_nid[i])
3812 snd_hda_codec_cleanup_stream(codec,
3813 mout->hp_out_nid[i]);
3814 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3815 if (mout->extra_out_nid[i])
3816 snd_hda_codec_cleanup_stream(codec,
3817 mout->extra_out_nid[i]);
3818 mutex_lock(&codec->spdif_mutex);
3819 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3820 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3821 mout->dig_out_used = 0;
3822 }
3823 mutex_unlock(&codec->spdif_mutex);
3824 return 0;
3825}
3826EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3837{
3838 unsigned int pincap;
3839 unsigned int oldval;
3840 oldval = snd_hda_codec_read(codec, pin, 0,
3841 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3842 pincap = snd_hda_query_pin_caps(codec, pin);
3843 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3844
3845 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3846 return AC_PINCTL_VREF_80;
3847 else if (pincap & AC_PINCAP_VREF_50)
3848 return AC_PINCTL_VREF_50;
3849 else if (pincap & AC_PINCAP_VREF_100)
3850 return AC_PINCTL_VREF_100;
3851 else if (pincap & AC_PINCAP_VREF_GRD)
3852 return AC_PINCTL_VREF_GRD;
3853 return AC_PINCTL_VREF_HIZ;
3854}
3855EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3856
3857
3858
3859
3860
3861
3862
3863unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3864 hda_nid_t pin, unsigned int val)
3865{
3866 static unsigned int cap_lists[][2] = {
3867 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3868 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3869 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3870 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3871 };
3872 unsigned int cap;
3873
3874 if (!val)
3875 return 0;
3876 cap = snd_hda_query_pin_caps(codec, pin);
3877 if (!cap)
3878 return val;
3879
3880 if (val & AC_PINCTL_OUT_EN) {
3881 if (!(cap & AC_PINCAP_OUT))
3882 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3883 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3884 val &= ~AC_PINCTL_HP_EN;
3885 }
3886
3887 if (val & AC_PINCTL_IN_EN) {
3888 if (!(cap & AC_PINCAP_IN))
3889 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3890 else {
3891 unsigned int vcap, vref;
3892 int i;
3893 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3894 vref = val & AC_PINCTL_VREFEN;
3895 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3896 if (vref == cap_lists[i][0] &&
3897 !(vcap & cap_lists[i][1])) {
3898 if (i == ARRAY_SIZE(cap_lists) - 1)
3899 vref = AC_PINCTL_VREF_HIZ;
3900 else
3901 vref = cap_lists[i + 1][0];
3902 }
3903 }
3904 val &= ~AC_PINCTL_VREFEN;
3905 val |= vref;
3906 }
3907 }
3908
3909 return val;
3910}
3911EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3927 unsigned int val, bool cached)
3928{
3929 val = snd_hda_correct_pin_ctl(codec, pin, val);
3930 snd_hda_codec_set_pin_target(codec, pin, val);
3931 if (cached)
3932 return snd_hda_codec_write_cache(codec, pin, 0,
3933 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3934 else
3935 return snd_hda_codec_write(codec, pin, 0,
3936 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3937}
3938EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952int snd_hda_add_imux_item(struct hda_codec *codec,
3953 struct hda_input_mux *imux, const char *label,
3954 int index, int *type_idx)
3955{
3956 int i, label_idx = 0;
3957 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3958 codec_err(codec, "hda_codec: Too many imux items!\n");
3959 return -EINVAL;
3960 }
3961 for (i = 0; i < imux->num_items; i++) {
3962 if (!strncmp(label, imux->items[i].label, strlen(label)))
3963 label_idx++;
3964 }
3965 if (type_idx)
3966 *type_idx = label_idx;
3967 if (label_idx > 0)
3968 snprintf(imux->items[imux->num_items].label,
3969 sizeof(imux->items[imux->num_items].label),
3970 "%s %d", label, label_idx);
3971 else
3972 strlcpy(imux->items[imux->num_items].label, label,
3973 sizeof(imux->items[imux->num_items].label));
3974 imux->items[imux->num_items].index = index;
3975 imux->num_items++;
3976 return 0;
3977}
3978EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
3979
3980
3981
3982
3983
3984void snd_hda_bus_reset_codecs(struct hda_bus *bus)
3985{
3986 struct hda_codec *codec;
3987
3988 list_for_each_codec(codec, bus) {
3989
3990 if (current_work() != &codec->jackpoll_work.work)
3991 cancel_delayed_work_sync(&codec->jackpoll_work);
3992#ifdef CONFIG_PM
3993 if (hda_codec_is_power_on(codec)) {
3994 hda_call_codec_suspend(codec);
3995 hda_call_codec_resume(codec);
3996 }
3997#endif
3998 }
3999}
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4010{
4011 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
4012 int i, j;
4013
4014 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4015 if (pcm & (AC_SUPPCM_BITS_8 << i))
4016 j += snprintf(buf + j, buflen - j, " %d", bits[i]);
4017
4018 buf[j] = '\0';
4019}
4020EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4021
4022MODULE_DESCRIPTION("HDA codec core");
4023MODULE_LICENSE("GPL");
4024