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8#include <linux/init.h>
9#include <linux/delay.h>
10#include <linux/slab.h>
11#include <linux/mutex.h>
12#include <linux/module.h>
13#include <linux/pm.h>
14#include <linux/pm_runtime.h>
15#include <sound/core.h>
16#include <sound/hda_codec.h>
17#include <sound/asoundef.h>
18#include <sound/tlv.h>
19#include <sound/initval.h>
20#include <sound/jack.h>
21#include "hda_local.h"
22#include "hda_beep.h"
23#include "hda_jack.h"
24#include <sound/hda_hwdep.h>
25#include <sound/hda_component.h>
26
27#define codec_in_pm(codec) snd_hdac_is_in_pm(&codec->core)
28#define hda_codec_is_power_on(codec) snd_hdac_is_power_on(&codec->core)
29#define codec_has_epss(codec) \
30 ((codec)->core.power_caps & AC_PWRST_EPSS)
31#define codec_has_clkstop(codec) \
32 ((codec)->core.power_caps & AC_PWRST_CLKSTOP)
33
34
35
36
37static int codec_exec_verb(struct hdac_device *dev, unsigned int cmd,
38 unsigned int flags, unsigned int *res)
39{
40 struct hda_codec *codec = container_of(dev, struct hda_codec, core);
41 struct hda_bus *bus = codec->bus;
42 int err;
43
44 if (cmd == ~0)
45 return -1;
46
47 again:
48 snd_hda_power_up_pm(codec);
49 mutex_lock(&bus->core.cmd_mutex);
50 if (flags & HDA_RW_NO_RESPONSE_FALLBACK)
51 bus->no_response_fallback = 1;
52 err = snd_hdac_bus_exec_verb_unlocked(&bus->core, codec->core.addr,
53 cmd, res);
54 bus->no_response_fallback = 0;
55 mutex_unlock(&bus->core.cmd_mutex);
56 snd_hda_power_down_pm(codec);
57 if (!codec_in_pm(codec) && res && err == -EAGAIN) {
58 if (bus->response_reset) {
59 codec_dbg(codec,
60 "resetting BUS due to fatal communication error\n");
61 snd_hda_bus_reset(bus);
62 }
63 goto again;
64 }
65
66 if (!err || codec_in_pm(codec))
67 bus->response_reset = 0;
68 return err;
69}
70
71
72
73
74
75
76
77
78
79void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
80{
81 for (; seq->nid; seq++)
82 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
83}
84EXPORT_SYMBOL_GPL(snd_hda_sequence_write);
85
86
87struct hda_conn_list {
88 struct list_head list;
89 int len;
90 hda_nid_t nid;
91 hda_nid_t conns[];
92};
93
94
95static struct hda_conn_list *
96lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
97{
98 struct hda_conn_list *p;
99 list_for_each_entry(p, &codec->conn_list, list) {
100 if (p->nid == nid)
101 return p;
102 }
103 return NULL;
104}
105
106static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
107 const hda_nid_t *list)
108{
109 struct hda_conn_list *p;
110
111 p = kmalloc(struct_size(p, conns, len), GFP_KERNEL);
112 if (!p)
113 return -ENOMEM;
114 p->len = len;
115 p->nid = nid;
116 memcpy(p->conns, list, len * sizeof(hda_nid_t));
117 list_add(&p->list, &codec->conn_list);
118 return 0;
119}
120
121static void remove_conn_list(struct hda_codec *codec)
122{
123 while (!list_empty(&codec->conn_list)) {
124 struct hda_conn_list *p;
125 p = list_first_entry(&codec->conn_list, typeof(*p), list);
126 list_del(&p->list);
127 kfree(p);
128 }
129}
130
131
132static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
133{
134 hda_nid_t list[32];
135 hda_nid_t *result = list;
136 int len;
137
138 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
139 if (len == -ENOSPC) {
140 len = snd_hda_get_num_raw_conns(codec, nid);
141 result = kmalloc_array(len, sizeof(hda_nid_t), GFP_KERNEL);
142 if (!result)
143 return -ENOMEM;
144 len = snd_hda_get_raw_connections(codec, nid, result, len);
145 }
146 if (len >= 0)
147 len = snd_hda_override_conn_list(codec, nid, len, result);
148 if (result != list)
149 kfree(result);
150 return len;
151}
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166
167
168int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
169 const hda_nid_t **listp)
170{
171 bool added = false;
172
173 for (;;) {
174 int err;
175 const struct hda_conn_list *p;
176
177
178 p = lookup_conn_list(codec, nid);
179 if (p) {
180 if (listp)
181 *listp = p->conns;
182 return p->len;
183 }
184 if (snd_BUG_ON(added))
185 return -EINVAL;
186
187 err = read_and_add_raw_conns(codec, nid);
188 if (err < 0)
189 return err;
190 added = true;
191 }
192}
193EXPORT_SYMBOL_GPL(snd_hda_get_conn_list);
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205
206
207int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
208 hda_nid_t *conn_list, int max_conns)
209{
210 const hda_nid_t *list;
211 int len = snd_hda_get_conn_list(codec, nid, &list);
212
213 if (len > 0 && conn_list) {
214 if (len > max_conns) {
215 codec_err(codec, "Too many connections %d for NID 0x%x\n",
216 len, nid);
217 return -EINVAL;
218 }
219 memcpy(conn_list, list, len * sizeof(hda_nid_t));
220 }
221
222 return len;
223}
224EXPORT_SYMBOL_GPL(snd_hda_get_connections);
225
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235
236
237
238int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
239 const hda_nid_t *list)
240{
241 struct hda_conn_list *p;
242
243 p = lookup_conn_list(codec, nid);
244 if (p) {
245 list_del(&p->list);
246 kfree(p);
247 }
248
249 return add_conn_list(codec, nid, len, list);
250}
251EXPORT_SYMBOL_GPL(snd_hda_override_conn_list);
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261
262
263
264int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
265 hda_nid_t nid, int recursive)
266{
267 const hda_nid_t *conn;
268 int i, nums;
269
270 nums = snd_hda_get_conn_list(codec, mux, &conn);
271 for (i = 0; i < nums; i++)
272 if (conn[i] == nid)
273 return i;
274 if (!recursive)
275 return -1;
276 if (recursive > 10) {
277 codec_dbg(codec, "too deep connection for 0x%x\n", nid);
278 return -1;
279 }
280 recursive++;
281 for (i = 0; i < nums; i++) {
282 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
283 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
284 continue;
285 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
286 return i;
287 }
288 return -1;
289}
290EXPORT_SYMBOL_GPL(snd_hda_get_conn_index);
291
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297
298
299
300unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid)
301{
302 unsigned int wcaps = get_wcaps(codec, nid);
303 unsigned int parm;
304
305 if (!codec->dp_mst || !(wcaps & AC_WCAP_DIGITAL) ||
306 get_wcaps_type(wcaps) != AC_WID_PIN)
307 return 0;
308
309 parm = snd_hdac_read_parm_uncached(&codec->core, nid, AC_PAR_DEVLIST_LEN);
310 if (parm == -1)
311 parm = 0;
312 return parm & AC_DEV_LIST_LEN_MASK;
313}
314EXPORT_SYMBOL_GPL(snd_hda_get_num_devices);
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324
325
326int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
327 u8 *dev_list, int max_devices)
328{
329 unsigned int parm;
330 int i, dev_len, devices;
331
332 parm = snd_hda_get_num_devices(codec, nid);
333 if (!parm)
334 return 0;
335
336 dev_len = parm + 1;
337 dev_len = dev_len < max_devices ? dev_len : max_devices;
338
339 devices = 0;
340 while (devices < dev_len) {
341 if (snd_hdac_read(&codec->core, nid,
342 AC_VERB_GET_DEVICE_LIST, devices, &parm))
343 break;
344
345 for (i = 0; i < 8; i++) {
346 dev_list[devices] = (u8)parm;
347 parm >>= 4;
348 devices++;
349 if (devices >= dev_len)
350 break;
351 }
352 }
353 return devices;
354}
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363
364
365int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid)
366{
367
368 if (!codec->dp_mst)
369 return 0;
370
371 return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0);
372}
373EXPORT_SYMBOL_GPL(snd_hda_get_dev_select);
374
375
376
377
378
379
380
381
382
383int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id)
384{
385 int ret, num_devices;
386
387
388 if (!codec->dp_mst)
389 return 0;
390
391
392 num_devices = snd_hda_get_num_devices(codec, nid) + 1;
393
394
395
396
397 if (num_devices == 1)
398 return 0;
399
400
401
402
403 if (num_devices <= dev_id)
404 return -EINVAL;
405
406 ret = snd_hda_codec_write(codec, nid, 0,
407 AC_VERB_SET_DEVICE_SEL, dev_id);
408
409 return ret;
410}
411EXPORT_SYMBOL_GPL(snd_hda_set_dev_select);
412
413
414
415
416static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
417{
418 int i;
419 hda_nid_t nid;
420
421 codec->wcaps = kmalloc_array(codec->core.num_nodes, 4, GFP_KERNEL);
422 if (!codec->wcaps)
423 return -ENOMEM;
424 nid = codec->core.start_nid;
425 for (i = 0; i < codec->core.num_nodes; i++, nid++)
426 codec->wcaps[i] = snd_hdac_read_parm_uncached(&codec->core,
427 nid, AC_PAR_AUDIO_WIDGET_CAP);
428 return 0;
429}
430
431
432static int read_pin_defaults(struct hda_codec *codec)
433{
434 hda_nid_t nid;
435
436 for_each_hda_codec_node(nid, codec) {
437 struct hda_pincfg *pin;
438 unsigned int wcaps = get_wcaps(codec, nid);
439 unsigned int wid_type = get_wcaps_type(wcaps);
440 if (wid_type != AC_WID_PIN)
441 continue;
442 pin = snd_array_new(&codec->init_pins);
443 if (!pin)
444 return -ENOMEM;
445 pin->nid = nid;
446 pin->cfg = snd_hda_codec_read(codec, nid, 0,
447 AC_VERB_GET_CONFIG_DEFAULT, 0);
448
449
450
451
452 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
453 AC_VERB_GET_PIN_WIDGET_CONTROL,
454 0);
455 }
456 return 0;
457}
458
459
460static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
461 struct snd_array *array,
462 hda_nid_t nid)
463{
464 struct hda_pincfg *pin;
465 int i;
466
467 snd_array_for_each(array, i, pin) {
468 if (pin->nid == nid)
469 return pin;
470 }
471 return NULL;
472}
473
474
475
476
477int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
478 hda_nid_t nid, unsigned int cfg)
479{
480 struct hda_pincfg *pin;
481
482
483
484
485
486
487
488
489
490
491 pin = look_up_pincfg(codec, list, nid);
492 if (!pin) {
493 pin = snd_array_new(list);
494 if (!pin)
495 return -ENOMEM;
496 pin->nid = nid;
497 }
498 pin->cfg = cfg;
499 return 0;
500}
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510
511
512int snd_hda_codec_set_pincfg(struct hda_codec *codec,
513 hda_nid_t nid, unsigned int cfg)
514{
515 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
516}
517EXPORT_SYMBOL_GPL(snd_hda_codec_set_pincfg);
518
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520
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526
527
528unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
529{
530 struct hda_pincfg *pin;
531
532#ifdef CONFIG_SND_HDA_RECONFIG
533 {
534 unsigned int cfg = 0;
535 mutex_lock(&codec->user_mutex);
536 pin = look_up_pincfg(codec, &codec->user_pins, nid);
537 if (pin)
538 cfg = pin->cfg;
539 mutex_unlock(&codec->user_mutex);
540 if (cfg)
541 return cfg;
542 }
543#endif
544 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
545 if (pin)
546 return pin->cfg;
547 pin = look_up_pincfg(codec, &codec->init_pins, nid);
548 if (pin)
549 return pin->cfg;
550 return 0;
551}
552EXPORT_SYMBOL_GPL(snd_hda_codec_get_pincfg);
553
554
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559
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561
562
563
564int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
565 unsigned int val)
566{
567 struct hda_pincfg *pin;
568
569 pin = look_up_pincfg(codec, &codec->init_pins, nid);
570 if (!pin)
571 return -EINVAL;
572 pin->target = val;
573 return 0;
574}
575EXPORT_SYMBOL_GPL(snd_hda_codec_set_pin_target);
576
577
578
579
580
581
582int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
583{
584 struct hda_pincfg *pin;
585
586 pin = look_up_pincfg(codec, &codec->init_pins, nid);
587 if (!pin)
588 return 0;
589 return pin->target;
590}
591EXPORT_SYMBOL_GPL(snd_hda_codec_get_pin_target);
592
593
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595
596
597
598
599
600void snd_hda_shutup_pins(struct hda_codec *codec)
601{
602 const struct hda_pincfg *pin;
603 int i;
604
605
606
607
608 if (codec->bus->shutdown)
609 return;
610 snd_array_for_each(&codec->init_pins, i, pin) {
611
612 snd_hda_codec_read(codec, pin->nid, 0,
613 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
614 }
615 codec->pins_shutup = 1;
616}
617EXPORT_SYMBOL_GPL(snd_hda_shutup_pins);
618
619#ifdef CONFIG_PM
620
621static void restore_shutup_pins(struct hda_codec *codec)
622{
623 const struct hda_pincfg *pin;
624 int i;
625
626 if (!codec->pins_shutup)
627 return;
628 if (codec->bus->shutdown)
629 return;
630 snd_array_for_each(&codec->init_pins, i, pin) {
631 snd_hda_codec_write(codec, pin->nid, 0,
632 AC_VERB_SET_PIN_WIDGET_CONTROL,
633 pin->ctrl);
634 }
635 codec->pins_shutup = 0;
636}
637#endif
638
639static void hda_jackpoll_work(struct work_struct *work)
640{
641 struct hda_codec *codec =
642 container_of(work, struct hda_codec, jackpoll_work.work);
643
644
645 if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
646 return;
647
648
649 snd_hda_power_up_pm(codec);
650
651 if (codec->jackpoll_interval) {
652 snd_hda_jack_set_dirty_all(codec);
653 snd_hda_jack_poll_all(codec);
654 }
655 snd_hda_power_down_pm(codec);
656
657 if (!codec->jackpoll_interval)
658 return;
659
660 schedule_delayed_work(&codec->jackpoll_work,
661 codec->jackpoll_interval);
662}
663
664
665static void free_init_pincfgs(struct hda_codec *codec)
666{
667 snd_array_free(&codec->driver_pins);
668#ifdef CONFIG_SND_HDA_RECONFIG
669 snd_array_free(&codec->user_pins);
670#endif
671 snd_array_free(&codec->init_pins);
672}
673
674
675
676
677struct hda_cvt_setup {
678 hda_nid_t nid;
679 u8 stream_tag;
680 u8 channel_id;
681 u16 format_id;
682 unsigned char active;
683 unsigned char dirty;
684};
685
686
687static struct hda_cvt_setup *
688get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
689{
690 struct hda_cvt_setup *p;
691 int i;
692
693 snd_array_for_each(&codec->cvt_setups, i, p) {
694 if (p->nid == nid)
695 return p;
696 }
697 p = snd_array_new(&codec->cvt_setups);
698 if (p)
699 p->nid = nid;
700 return p;
701}
702
703
704
705
706static void release_pcm(struct kref *kref)
707{
708 struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
709
710 if (pcm->pcm)
711 snd_device_free(pcm->codec->card, pcm->pcm);
712 clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
713 kfree(pcm->name);
714 kfree(pcm);
715}
716
717void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
718{
719 kref_put(&pcm->kref, release_pcm);
720}
721EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
722
723struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
724 const char *fmt, ...)
725{
726 struct hda_pcm *pcm;
727 va_list args;
728
729 pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
730 if (!pcm)
731 return NULL;
732
733 pcm->codec = codec;
734 kref_init(&pcm->kref);
735 va_start(args, fmt);
736 pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
737 va_end(args);
738 if (!pcm->name) {
739 kfree(pcm);
740 return NULL;
741 }
742
743 list_add_tail(&pcm->list, &codec->pcm_list_head);
744 return pcm;
745}
746EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
747
748
749
750
751static void codec_release_pcms(struct hda_codec *codec)
752{
753 struct hda_pcm *pcm, *n;
754
755 list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
756 list_del_init(&pcm->list);
757 if (pcm->pcm)
758 snd_device_disconnect(codec->card, pcm->pcm);
759 snd_hda_codec_pcm_put(pcm);
760 }
761}
762
763void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
764{
765 if (codec->registered) {
766
767 pm_runtime_get_noresume(hda_codec_dev(codec));
768 pm_runtime_disable(hda_codec_dev(codec));
769 codec->registered = 0;
770 }
771
772 cancel_delayed_work_sync(&codec->jackpoll_work);
773 if (!codec->in_freeing)
774 snd_hda_ctls_clear(codec);
775 codec_release_pcms(codec);
776 snd_hda_detach_beep_device(codec);
777 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
778 snd_hda_jack_tbl_clear(codec);
779 codec->proc_widget_hook = NULL;
780 codec->spec = NULL;
781
782
783 snd_array_free(&codec->driver_pins);
784 snd_array_free(&codec->cvt_setups);
785 snd_array_free(&codec->spdif_out);
786 snd_array_free(&codec->verbs);
787 codec->preset = NULL;
788 codec->follower_dig_outs = NULL;
789 codec->spdif_status_reset = 0;
790 snd_array_free(&codec->mixers);
791 snd_array_free(&codec->nids);
792 remove_conn_list(codec);
793 snd_hdac_regmap_exit(&codec->core);
794}
795EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup_for_unbind);
796
797static unsigned int hda_set_power_state(struct hda_codec *codec,
798 unsigned int power_state);
799
800
801static void codec_display_power(struct hda_codec *codec, bool enable)
802{
803 if (codec->display_power_control)
804 snd_hdac_display_power(&codec->bus->core, codec->addr, enable);
805}
806
807
808void snd_hda_codec_register(struct hda_codec *codec)
809{
810 if (codec->registered)
811 return;
812 if (device_is_registered(hda_codec_dev(codec))) {
813 codec_display_power(codec, true);
814 pm_runtime_enable(hda_codec_dev(codec));
815
816 snd_hda_power_down(codec);
817 codec->registered = 1;
818 }
819}
820
821static int snd_hda_codec_dev_register(struct snd_device *device)
822{
823 snd_hda_codec_register(device->device_data);
824 return 0;
825}
826
827static int snd_hda_codec_dev_free(struct snd_device *device)
828{
829 struct hda_codec *codec = device->device_data;
830
831 codec->in_freeing = 1;
832
833
834
835
836
837 if (codec->core.type == HDA_DEV_LEGACY)
838 snd_hdac_device_unregister(&codec->core);
839 codec_display_power(codec, false);
840
841
842
843
844
845 if (codec->core.type == HDA_DEV_LEGACY)
846 put_device(hda_codec_dev(codec));
847
848 return 0;
849}
850
851static void snd_hda_codec_dev_release(struct device *dev)
852{
853 struct hda_codec *codec = dev_to_hda_codec(dev);
854
855 free_init_pincfgs(codec);
856 snd_hdac_device_exit(&codec->core);
857 snd_hda_sysfs_clear(codec);
858 kfree(codec->modelname);
859 kfree(codec->wcaps);
860
861
862
863
864
865 if (codec->core.type == HDA_DEV_LEGACY)
866 kfree(codec);
867}
868
869#define DEV_NAME_LEN 31
870
871static int snd_hda_codec_device_init(struct hda_bus *bus, struct snd_card *card,
872 unsigned int codec_addr, struct hda_codec **codecp)
873{
874 char name[DEV_NAME_LEN];
875 struct hda_codec *codec;
876 int err;
877
878 dev_dbg(card->dev, "%s: entry\n", __func__);
879
880 if (snd_BUG_ON(!bus))
881 return -EINVAL;
882 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
883 return -EINVAL;
884
885 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
886 if (!codec)
887 return -ENOMEM;
888
889 sprintf(name, "hdaudioC%dD%d", card->number, codec_addr);
890 err = snd_hdac_device_init(&codec->core, &bus->core, name, codec_addr);
891 if (err < 0) {
892 kfree(codec);
893 return err;
894 }
895
896 codec->core.type = HDA_DEV_LEGACY;
897 *codecp = codec;
898
899 return err;
900}
901
902
903
904
905
906
907
908
909
910
911int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
912 unsigned int codec_addr, struct hda_codec **codecp)
913{
914 int ret;
915
916 ret = snd_hda_codec_device_init(bus, card, codec_addr, codecp);
917 if (ret < 0)
918 return ret;
919
920 return snd_hda_codec_device_new(bus, card, codec_addr, *codecp);
921}
922EXPORT_SYMBOL_GPL(snd_hda_codec_new);
923
924int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
925 unsigned int codec_addr, struct hda_codec *codec)
926{
927 char component[31];
928 hda_nid_t fg;
929 int err;
930 static const struct snd_device_ops dev_ops = {
931 .dev_register = snd_hda_codec_dev_register,
932 .dev_free = snd_hda_codec_dev_free,
933 };
934
935 dev_dbg(card->dev, "%s: entry\n", __func__);
936
937 if (snd_BUG_ON(!bus))
938 return -EINVAL;
939 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
940 return -EINVAL;
941
942 codec->core.dev.release = snd_hda_codec_dev_release;
943 codec->core.exec_verb = codec_exec_verb;
944
945 codec->bus = bus;
946 codec->card = card;
947 codec->addr = codec_addr;
948 mutex_init(&codec->spdif_mutex);
949 mutex_init(&codec->control_mutex);
950 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
951 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
952 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
953 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
954 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
955 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
956 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
957 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
958 INIT_LIST_HEAD(&codec->conn_list);
959 INIT_LIST_HEAD(&codec->pcm_list_head);
960
961 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
962 codec->depop_delay = -1;
963 codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
964
965#ifdef CONFIG_PM
966 codec->power_jiffies = jiffies;
967#endif
968
969 snd_hda_sysfs_init(codec);
970
971 if (codec->bus->modelname) {
972 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
973 if (!codec->modelname) {
974 err = -ENOMEM;
975 goto error;
976 }
977 }
978
979 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
980 err = read_widget_caps(codec, fg);
981 if (err < 0)
982 goto error;
983 err = read_pin_defaults(codec);
984 if (err < 0)
985 goto error;
986
987
988 hda_set_power_state(codec, AC_PWRST_D0);
989 codec->core.dev.power.power_state = PMSG_ON;
990
991 snd_hda_codec_proc_new(codec);
992
993 snd_hda_create_hwdep(codec);
994
995 sprintf(component, "HDA:%08x,%08x,%08x", codec->core.vendor_id,
996 codec->core.subsystem_id, codec->core.revision_id);
997 snd_component_add(card, component);
998
999 err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
1000 if (err < 0)
1001 goto error;
1002
1003
1004 pm_runtime_forbid(&codec->core.dev);
1005
1006 return 0;
1007
1008 error:
1009 put_device(hda_codec_dev(codec));
1010 return err;
1011}
1012EXPORT_SYMBOL_GPL(snd_hda_codec_device_new);
1013
1014
1015
1016
1017
1018
1019
1020
1021int snd_hda_codec_update_widgets(struct hda_codec *codec)
1022{
1023 hda_nid_t fg;
1024 int err;
1025
1026 err = snd_hdac_refresh_widgets(&codec->core);
1027 if (err < 0)
1028 return err;
1029
1030
1031
1032
1033 kfree(codec->wcaps);
1034 fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
1035 err = read_widget_caps(codec, fg);
1036 if (err < 0)
1037 return err;
1038
1039 snd_array_free(&codec->init_pins);
1040 err = read_pin_defaults(codec);
1041
1042 return err;
1043}
1044EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
1045
1046
1047static void update_pcm_stream_id(struct hda_codec *codec,
1048 struct hda_cvt_setup *p, hda_nid_t nid,
1049 u32 stream_tag, int channel_id)
1050{
1051 unsigned int oldval, newval;
1052
1053 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1054 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1055 newval = (stream_tag << 4) | channel_id;
1056 if (oldval != newval)
1057 snd_hda_codec_write(codec, nid, 0,
1058 AC_VERB_SET_CHANNEL_STREAMID,
1059 newval);
1060 p->stream_tag = stream_tag;
1061 p->channel_id = channel_id;
1062 }
1063}
1064
1065
1066static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1067 hda_nid_t nid, int format)
1068{
1069 unsigned int oldval;
1070
1071 if (p->format_id != format) {
1072 oldval = snd_hda_codec_read(codec, nid, 0,
1073 AC_VERB_GET_STREAM_FORMAT, 0);
1074 if (oldval != format) {
1075 msleep(1);
1076 snd_hda_codec_write(codec, nid, 0,
1077 AC_VERB_SET_STREAM_FORMAT,
1078 format);
1079 }
1080 p->format_id = format;
1081 }
1082}
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1093 u32 stream_tag,
1094 int channel_id, int format)
1095{
1096 struct hda_codec *c;
1097 struct hda_cvt_setup *p;
1098 int type;
1099 int i;
1100
1101 if (!nid)
1102 return;
1103
1104 codec_dbg(codec,
1105 "hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1106 nid, stream_tag, channel_id, format);
1107 p = get_hda_cvt_setup(codec, nid);
1108 if (!p)
1109 return;
1110
1111 if (codec->patch_ops.stream_pm)
1112 codec->patch_ops.stream_pm(codec, nid, true);
1113 if (codec->pcm_format_first)
1114 update_pcm_format(codec, p, nid, format);
1115 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1116 if (!codec->pcm_format_first)
1117 update_pcm_format(codec, p, nid, format);
1118
1119 p->active = 1;
1120 p->dirty = 0;
1121
1122
1123 type = get_wcaps_type(get_wcaps(codec, nid));
1124 list_for_each_codec(c, codec->bus) {
1125 snd_array_for_each(&c->cvt_setups, i, p) {
1126 if (!p->active && p->stream_tag == stream_tag &&
1127 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1128 p->dirty = 1;
1129 }
1130 }
1131}
1132EXPORT_SYMBOL_GPL(snd_hda_codec_setup_stream);
1133
1134static void really_cleanup_stream(struct hda_codec *codec,
1135 struct hda_cvt_setup *q);
1136
1137
1138
1139
1140
1141
1142
1143void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1144 int do_now)
1145{
1146 struct hda_cvt_setup *p;
1147
1148 if (!nid)
1149 return;
1150
1151 if (codec->no_sticky_stream)
1152 do_now = 1;
1153
1154 codec_dbg(codec, "hda_codec_cleanup_stream: NID=0x%x\n", nid);
1155 p = get_hda_cvt_setup(codec, nid);
1156 if (p) {
1157
1158
1159
1160
1161 if (do_now)
1162 really_cleanup_stream(codec, p);
1163 else
1164 p->active = 0;
1165 }
1166}
1167EXPORT_SYMBOL_GPL(__snd_hda_codec_cleanup_stream);
1168
1169static void really_cleanup_stream(struct hda_codec *codec,
1170 struct hda_cvt_setup *q)
1171{
1172 hda_nid_t nid = q->nid;
1173 if (q->stream_tag || q->channel_id)
1174 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1175 if (q->format_id)
1176 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1177);
1178 memset(q, 0, sizeof(*q));
1179 q->nid = nid;
1180 if (codec->patch_ops.stream_pm)
1181 codec->patch_ops.stream_pm(codec, nid, false);
1182}
1183
1184
1185static void purify_inactive_streams(struct hda_codec *codec)
1186{
1187 struct hda_codec *c;
1188 struct hda_cvt_setup *p;
1189 int i;
1190
1191 list_for_each_codec(c, codec->bus) {
1192 snd_array_for_each(&c->cvt_setups, i, p) {
1193 if (p->dirty)
1194 really_cleanup_stream(c, p);
1195 }
1196 }
1197}
1198
1199#ifdef CONFIG_PM
1200
1201static void hda_cleanup_all_streams(struct hda_codec *codec)
1202{
1203 struct hda_cvt_setup *p;
1204 int i;
1205
1206 snd_array_for_each(&codec->cvt_setups, i, p) {
1207 if (p->stream_tag)
1208 really_cleanup_stream(codec, p);
1209 }
1210}
1211#endif
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1230{
1231 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1232 nid = codec->core.afg;
1233 return snd_hda_param_read(codec, nid,
1234 direction == HDA_OUTPUT ?
1235 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1236}
1237EXPORT_SYMBOL_GPL(query_amp_caps);
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
1249 int dir, unsigned int bits)
1250{
1251 if (!nid)
1252 return false;
1253 if (get_wcaps(codec, nid) & (1 << (dir + 1)))
1254 if (query_amp_caps(codec, nid, dir) & bits)
1255 return true;
1256 return false;
1257}
1258EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1274 unsigned int caps)
1275{
1276 unsigned int parm;
1277
1278 snd_hda_override_wcaps(codec, nid,
1279 get_wcaps(codec, nid) | AC_WCAP_AMP_OVRD);
1280 parm = dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP;
1281 return snd_hdac_override_parm(&codec->core, nid, parm, caps);
1282}
1283EXPORT_SYMBOL_GPL(snd_hda_override_amp_caps);
1284
1285static unsigned int encode_amp(struct hda_codec *codec, hda_nid_t nid,
1286 int ch, int dir, int idx)
1287{
1288 unsigned int cmd = snd_hdac_regmap_encode_amp(nid, ch, dir, idx);
1289
1290
1291 if ((query_amp_caps(codec, nid, dir) &
1292 (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) == AC_AMPCAP_MIN_MUTE)
1293 cmd |= AC_AMP_FAKE_MUTE;
1294 return cmd;
1295}
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
1310 int ch, int dir, int idx, int mask, int val)
1311{
1312 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1313
1314 return snd_hdac_regmap_update_raw(&codec->core, cmd, mask, val);
1315}
1316EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
1331 int direction, int idx, int mask, int val)
1332{
1333 int ch, ret = 0;
1334
1335 if (snd_BUG_ON(mask & ~0xff))
1336 mask &= 0xff;
1337 for (ch = 0; ch < 2; ch++)
1338 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
1339 idx, mask, val);
1340 return ret;
1341}
1342EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
1359 int dir, int idx, int mask, int val)
1360{
1361 unsigned int cmd = encode_amp(codec, nid, ch, dir, idx);
1362
1363 if (!codec->core.regmap)
1364 return -EINVAL;
1365 return snd_hdac_regmap_update_raw_once(&codec->core, cmd, mask, val);
1366}
1367EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
1381 int dir, int idx, int mask, int val)
1382{
1383 int ch, ret = 0;
1384
1385 if (snd_BUG_ON(mask & ~0xff))
1386 mask &= 0xff;
1387 for (ch = 0; ch < 2; ch++)
1388 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
1389 idx, mask, val);
1390 return ret;
1391}
1392EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init_stereo);
1393
1394static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
1395 unsigned int ofs)
1396{
1397 u32 caps = query_amp_caps(codec, nid, dir);
1398
1399 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1400 if (ofs < caps)
1401 caps -= ofs;
1402 return caps;
1403}
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
1414 struct snd_ctl_elem_info *uinfo)
1415{
1416 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1417 u16 nid = get_amp_nid(kcontrol);
1418 u8 chs = get_amp_channels(kcontrol);
1419 int dir = get_amp_direction(kcontrol);
1420 unsigned int ofs = get_amp_offset(kcontrol);
1421
1422 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1423 uinfo->count = chs == 3 ? 2 : 1;
1424 uinfo->value.integer.min = 0;
1425 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
1426 if (!uinfo->value.integer.max) {
1427 codec_warn(codec,
1428 "num_steps = 0 for NID=0x%x (ctl = %s)\n",
1429 nid, kcontrol->id.name);
1430 return -EINVAL;
1431 }
1432 return 0;
1433}
1434EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_info);
1435
1436
1437static inline unsigned int
1438read_amp_value(struct hda_codec *codec, hda_nid_t nid,
1439 int ch, int dir, int idx, unsigned int ofs)
1440{
1441 unsigned int val;
1442 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
1443 val &= HDA_AMP_VOLMASK;
1444 if (val >= ofs)
1445 val -= ofs;
1446 else
1447 val = 0;
1448 return val;
1449}
1450
1451static inline int
1452update_amp_value(struct hda_codec *codec, hda_nid_t nid,
1453 int ch, int dir, int idx, unsigned int ofs,
1454 unsigned int val)
1455{
1456 unsigned int maxval;
1457
1458 if (val > 0)
1459 val += ofs;
1460
1461 maxval = get_amp_max_value(codec, nid, dir, 0);
1462 if (val > maxval)
1463 val = maxval;
1464 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
1465 HDA_AMP_VOLMASK, val);
1466}
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
1477 struct snd_ctl_elem_value *ucontrol)
1478{
1479 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1480 hda_nid_t nid = get_amp_nid(kcontrol);
1481 int chs = get_amp_channels(kcontrol);
1482 int dir = get_amp_direction(kcontrol);
1483 int idx = get_amp_index(kcontrol);
1484 unsigned int ofs = get_amp_offset(kcontrol);
1485 long *valp = ucontrol->value.integer.value;
1486
1487 if (chs & 1)
1488 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
1489 if (chs & 2)
1490 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
1491 return 0;
1492}
1493EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_get);
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
1504 struct snd_ctl_elem_value *ucontrol)
1505{
1506 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1507 hda_nid_t nid = get_amp_nid(kcontrol);
1508 int chs = get_amp_channels(kcontrol);
1509 int dir = get_amp_direction(kcontrol);
1510 int idx = get_amp_index(kcontrol);
1511 unsigned int ofs = get_amp_offset(kcontrol);
1512 long *valp = ucontrol->value.integer.value;
1513 int change = 0;
1514
1515 if (chs & 1) {
1516 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
1517 valp++;
1518 }
1519 if (chs & 2)
1520 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
1521 return change;
1522}
1523EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
1524
1525
1526static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
1527{
1528 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
1529 hda_nid_t nid = get_amp_nid(kcontrol);
1530 int dir = get_amp_direction(kcontrol);
1531 unsigned int ofs = get_amp_offset(kcontrol);
1532 bool min_mute = get_amp_min_mute(kcontrol);
1533 u32 caps, val1, val2;
1534
1535 caps = query_amp_caps(codec, nid, dir);
1536 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1537 val2 = (val2 + 1) * 25;
1538 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
1539 val1 += ofs;
1540 val1 = ((int)val1) * ((int)val2);
1541 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
1542 val2 |= TLV_DB_SCALE_MUTE;
1543 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1544 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1545 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
1546 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
1547}
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1560 unsigned int size, unsigned int __user *_tlv)
1561{
1562 unsigned int tlv[4];
1563
1564 if (size < 4 * sizeof(unsigned int))
1565 return -ENOMEM;
1566 get_ctl_amp_tlv(kcontrol, tlv);
1567 if (copy_to_user(_tlv, tlv, sizeof(tlv)))
1568 return -EFAULT;
1569 return 0;
1570}
1571EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_tlv);
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
1585 unsigned int *tlv)
1586{
1587 u32 caps;
1588 int nums, step;
1589
1590 caps = query_amp_caps(codec, nid, dir);
1591 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
1592 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
1593 step = (step + 1) * 25;
1594 tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
1595 tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
1596 tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
1597 tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
1598}
1599EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
1600
1601
1602static struct snd_kcontrol *
1603find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
1604{
1605 struct snd_ctl_elem_id id;
1606 memset(&id, 0, sizeof(id));
1607 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1608 id.device = dev;
1609 id.index = idx;
1610 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
1611 return NULL;
1612 strcpy(id.name, name);
1613 return snd_ctl_find_id(codec->card, &id);
1614}
1615
1616
1617
1618
1619
1620
1621
1622
1623struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
1624 const char *name)
1625{
1626 return find_mixer_ctl(codec, name, 0, 0);
1627}
1628EXPORT_SYMBOL_GPL(snd_hda_find_mixer_ctl);
1629
1630static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
1631 int start_idx)
1632{
1633 int i, idx;
1634
1635 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
1636 if (!find_mixer_ctl(codec, name, 0, idx))
1637 return idx;
1638 }
1639 return -EBUSY;
1640}
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
1662 struct snd_kcontrol *kctl)
1663{
1664 int err;
1665 unsigned short flags = 0;
1666 struct hda_nid_item *item;
1667
1668 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
1669 flags |= HDA_NID_ITEM_AMP;
1670 if (nid == 0)
1671 nid = get_amp_nid_(kctl->private_value);
1672 }
1673 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
1674 nid = kctl->id.subdevice & 0xffff;
1675 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
1676 kctl->id.subdevice = 0;
1677 err = snd_ctl_add(codec->card, kctl);
1678 if (err < 0)
1679 return err;
1680 item = snd_array_new(&codec->mixers);
1681 if (!item)
1682 return -ENOMEM;
1683 item->kctl = kctl;
1684 item->nid = nid;
1685 item->flags = flags;
1686 return 0;
1687}
1688EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
1702 unsigned int index, hda_nid_t nid)
1703{
1704 struct hda_nid_item *item;
1705
1706 if (nid > 0) {
1707 item = snd_array_new(&codec->nids);
1708 if (!item)
1709 return -ENOMEM;
1710 item->kctl = kctl;
1711 item->index = index;
1712 item->nid = nid;
1713 return 0;
1714 }
1715 codec_err(codec, "no NID for mapping control %s:%d:%d\n",
1716 kctl->id.name, kctl->id.index, index);
1717 return -EINVAL;
1718}
1719EXPORT_SYMBOL_GPL(snd_hda_add_nid);
1720
1721
1722
1723
1724
1725void snd_hda_ctls_clear(struct hda_codec *codec)
1726{
1727 int i;
1728 struct hda_nid_item *items = codec->mixers.list;
1729 for (i = 0; i < codec->mixers.used; i++)
1730 snd_ctl_remove(codec->card, items[i].kctl);
1731 snd_array_free(&codec->mixers);
1732 snd_array_free(&codec->nids);
1733}
1734
1735
1736
1737
1738
1739
1740
1741int snd_hda_lock_devices(struct hda_bus *bus)
1742{
1743 struct snd_card *card = bus->card;
1744 struct hda_codec *codec;
1745
1746 spin_lock(&card->files_lock);
1747 if (card->shutdown)
1748 goto err_unlock;
1749 card->shutdown = 1;
1750 if (!list_empty(&card->ctl_files))
1751 goto err_clear;
1752
1753 list_for_each_codec(codec, bus) {
1754 struct hda_pcm *cpcm;
1755 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
1756 if (!cpcm->pcm)
1757 continue;
1758 if (cpcm->pcm->streams[0].substream_opened ||
1759 cpcm->pcm->streams[1].substream_opened)
1760 goto err_clear;
1761 }
1762 }
1763 spin_unlock(&card->files_lock);
1764 return 0;
1765
1766 err_clear:
1767 card->shutdown = 0;
1768 err_unlock:
1769 spin_unlock(&card->files_lock);
1770 return -EINVAL;
1771}
1772EXPORT_SYMBOL_GPL(snd_hda_lock_devices);
1773
1774
1775
1776
1777
1778void snd_hda_unlock_devices(struct hda_bus *bus)
1779{
1780 struct snd_card *card = bus->card;
1781
1782 spin_lock(&card->files_lock);
1783 card->shutdown = 0;
1784 spin_unlock(&card->files_lock);
1785}
1786EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798int snd_hda_codec_reset(struct hda_codec *codec)
1799{
1800 struct hda_bus *bus = codec->bus;
1801
1802 if (snd_hda_lock_devices(bus) < 0)
1803 return -EBUSY;
1804
1805
1806 device_release_driver(hda_codec_dev(codec));
1807
1808
1809 snd_hda_unlock_devices(bus);
1810 return 0;
1811}
1812
1813typedef int (*map_follower_func_t)(struct hda_codec *, void *, struct snd_kcontrol *);
1814
1815
1816static int map_followers(struct hda_codec *codec, const char * const *followers,
1817 const char *suffix, map_follower_func_t func, void *data)
1818{
1819 struct hda_nid_item *items;
1820 const char * const *s;
1821 int i, err;
1822
1823 items = codec->mixers.list;
1824 for (i = 0; i < codec->mixers.used; i++) {
1825 struct snd_kcontrol *sctl = items[i].kctl;
1826 if (!sctl || sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
1827 continue;
1828 for (s = followers; *s; s++) {
1829 char tmpname[sizeof(sctl->id.name)];
1830 const char *name = *s;
1831 if (suffix) {
1832 snprintf(tmpname, sizeof(tmpname), "%s %s",
1833 name, suffix);
1834 name = tmpname;
1835 }
1836 if (!strcmp(sctl->id.name, name)) {
1837 err = func(codec, data, sctl);
1838 if (err)
1839 return err;
1840 break;
1841 }
1842 }
1843 }
1844 return 0;
1845}
1846
1847static int check_follower_present(struct hda_codec *codec,
1848 void *data, struct snd_kcontrol *sctl)
1849{
1850 return 1;
1851}
1852
1853
1854static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
1855{
1856 struct snd_ctl_elem_value *ucontrol;
1857 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
1858 if (!ucontrol)
1859 return -ENOMEM;
1860 ucontrol->value.integer.value[0] = val;
1861 ucontrol->value.integer.value[1] = val;
1862 kctl->put(kctl, ucontrol);
1863 kfree(ucontrol);
1864 return 0;
1865}
1866
1867struct follower_init_arg {
1868 struct hda_codec *codec;
1869 int step;
1870};
1871
1872
1873static int init_follower_0dB(struct snd_kcontrol *follower,
1874 struct snd_kcontrol *kctl,
1875 void *_arg)
1876{
1877 struct follower_init_arg *arg = _arg;
1878 int _tlv[4];
1879 const int *tlv = NULL;
1880 int step;
1881 int val;
1882
1883 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1884 if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
1885 codec_err(arg->codec,
1886 "Unexpected TLV callback for follower %s:%d\n",
1887 kctl->id.name, kctl->id.index);
1888 return 0;
1889 }
1890 get_ctl_amp_tlv(kctl, _tlv);
1891 tlv = _tlv;
1892 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
1893 tlv = kctl->tlv.p;
1894
1895 if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
1896 return 0;
1897
1898 step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
1899 step &= ~TLV_DB_SCALE_MUTE;
1900 if (!step)
1901 return 0;
1902 if (arg->step && arg->step != step) {
1903 codec_err(arg->codec,
1904 "Mismatching dB step for vmaster follower (%d!=%d)\n",
1905 arg->step, step);
1906 return 0;
1907 }
1908
1909 arg->step = step;
1910 val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
1911 if (val > 0) {
1912 put_kctl_with_value(follower, val);
1913 return val;
1914 }
1915
1916 return 0;
1917}
1918
1919
1920static int init_follower_unmute(struct snd_kcontrol *follower,
1921 struct snd_kcontrol *kctl,
1922 void *_arg)
1923{
1924 return put_kctl_with_value(follower, 1);
1925}
1926
1927static int add_follower(struct hda_codec *codec,
1928 void *data, struct snd_kcontrol *follower)
1929{
1930 return snd_ctl_add_follower(data, follower);
1931}
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
1953 unsigned int *tlv, const char * const *followers,
1954 const char *suffix, bool init_follower_vol,
1955 struct snd_kcontrol **ctl_ret)
1956{
1957 struct snd_kcontrol *kctl;
1958 int err;
1959
1960 if (ctl_ret)
1961 *ctl_ret = NULL;
1962
1963 err = map_followers(codec, followers, suffix, check_follower_present, NULL);
1964 if (err != 1) {
1965 codec_dbg(codec, "No follower found for %s\n", name);
1966 return 0;
1967 }
1968 kctl = snd_ctl_make_virtual_master(name, tlv);
1969 if (!kctl)
1970 return -ENOMEM;
1971 err = snd_hda_ctl_add(codec, 0, kctl);
1972 if (err < 0)
1973 return err;
1974
1975 err = map_followers(codec, followers, suffix, add_follower, kctl);
1976 if (err < 0)
1977 return err;
1978
1979
1980 put_kctl_with_value(kctl, 0);
1981 if (init_follower_vol) {
1982 struct follower_init_arg arg = {
1983 .codec = codec,
1984 .step = 0,
1985 };
1986 snd_ctl_apply_vmaster_followers(kctl,
1987 tlv ? init_follower_0dB : init_follower_unmute,
1988 &arg);
1989 }
1990
1991 if (ctl_ret)
1992 *ctl_ret = kctl;
1993 return 0;
1994}
1995EXPORT_SYMBOL_GPL(__snd_hda_add_vmaster);
1996
1997
1998
1999
2000static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
2001 struct snd_ctl_elem_info *uinfo)
2002{
2003 static const char * const texts[] = {
2004 "On", "Off", "Follow Master"
2005 };
2006
2007 return snd_ctl_enum_info(uinfo, 1, 3, texts);
2008}
2009
2010static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
2011 struct snd_ctl_elem_value *ucontrol)
2012{
2013 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2014 ucontrol->value.enumerated.item[0] = hook->mute_mode;
2015 return 0;
2016}
2017
2018static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2019 struct snd_ctl_elem_value *ucontrol)
2020{
2021 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2022 unsigned int old_mode = hook->mute_mode;
2023
2024 hook->mute_mode = ucontrol->value.enumerated.item[0];
2025 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2026 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2027 if (old_mode == hook->mute_mode)
2028 return 0;
2029 snd_hda_sync_vmaster_hook(hook);
2030 return 1;
2031}
2032
2033static const struct snd_kcontrol_new vmaster_mute_mode = {
2034 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2035 .name = "Mute-LED Mode",
2036 .info = vmaster_mute_mode_info,
2037 .get = vmaster_mute_mode_get,
2038 .put = vmaster_mute_mode_put,
2039};
2040
2041
2042static void vmaster_hook(void *private_data, int enabled)
2043{
2044 struct hda_vmaster_mute_hook *hook = private_data;
2045
2046 if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
2047 enabled = hook->mute_mode;
2048 hook->hook(hook->codec, enabled);
2049}
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2062 struct hda_vmaster_mute_hook *hook,
2063 bool expose_enum_ctl)
2064{
2065 struct snd_kcontrol *kctl;
2066
2067 if (!hook->hook || !hook->sw_kctl)
2068 return 0;
2069 hook->codec = codec;
2070 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2071 snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
2072 if (!expose_enum_ctl)
2073 return 0;
2074 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2075 if (!kctl)
2076 return -ENOMEM;
2077 return snd_hda_ctl_add(codec, 0, kctl);
2078}
2079EXPORT_SYMBOL_GPL(snd_hda_add_vmaster_hook);
2080
2081
2082
2083
2084
2085
2086
2087
2088void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2089{
2090 if (!hook->hook || !hook->codec)
2091 return;
2092
2093
2094
2095 if (hook->codec->bus->shutdown)
2096 return;
2097 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2098}
2099EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2111 struct snd_ctl_elem_info *uinfo)
2112{
2113 int chs = get_amp_channels(kcontrol);
2114
2115 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2116 uinfo->count = chs == 3 ? 2 : 1;
2117 uinfo->value.integer.min = 0;
2118 uinfo->value.integer.max = 1;
2119 return 0;
2120}
2121EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_info);
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2132 struct snd_ctl_elem_value *ucontrol)
2133{
2134 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2135 hda_nid_t nid = get_amp_nid(kcontrol);
2136 int chs = get_amp_channels(kcontrol);
2137 int dir = get_amp_direction(kcontrol);
2138 int idx = get_amp_index(kcontrol);
2139 long *valp = ucontrol->value.integer.value;
2140
2141 if (chs & 1)
2142 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2143 HDA_AMP_MUTE) ? 0 : 1;
2144 if (chs & 2)
2145 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2146 HDA_AMP_MUTE) ? 0 : 1;
2147 return 0;
2148}
2149EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get);
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2160 struct snd_ctl_elem_value *ucontrol)
2161{
2162 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2163 hda_nid_t nid = get_amp_nid(kcontrol);
2164 int chs = get_amp_channels(kcontrol);
2165 int dir = get_amp_direction(kcontrol);
2166 int idx = get_amp_index(kcontrol);
2167 long *valp = ucontrol->value.integer.value;
2168 int change = 0;
2169
2170 if (chs & 1) {
2171 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2172 HDA_AMP_MUTE,
2173 *valp ? 0 : HDA_AMP_MUTE);
2174 valp++;
2175 }
2176 if (chs & 2)
2177 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2178 HDA_AMP_MUTE,
2179 *valp ? 0 : HDA_AMP_MUTE);
2180 hda_call_check_power_status(codec, nid);
2181 return change;
2182}
2183EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
2184
2185
2186
2187
2188
2189static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
2190 struct snd_ctl_elem_info *uinfo)
2191{
2192 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2193 uinfo->count = 1;
2194 return 0;
2195}
2196
2197static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
2198 struct snd_ctl_elem_value *ucontrol)
2199{
2200 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2201 IEC958_AES0_NONAUDIO |
2202 IEC958_AES0_CON_EMPHASIS_5015 |
2203 IEC958_AES0_CON_NOT_COPYRIGHT;
2204 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
2205 IEC958_AES1_CON_ORIGINAL;
2206 return 0;
2207}
2208
2209static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
2210 struct snd_ctl_elem_value *ucontrol)
2211{
2212 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
2213 IEC958_AES0_NONAUDIO |
2214 IEC958_AES0_PRO_EMPHASIS_5015;
2215 return 0;
2216}
2217
2218static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
2219 struct snd_ctl_elem_value *ucontrol)
2220{
2221 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2222 int idx = kcontrol->private_value;
2223 struct hda_spdif_out *spdif;
2224
2225 if (WARN_ON(codec->spdif_out.used <= idx))
2226 return -EINVAL;
2227 mutex_lock(&codec->spdif_mutex);
2228 spdif = snd_array_elem(&codec->spdif_out, idx);
2229 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
2230 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
2231 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
2232 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
2233 mutex_unlock(&codec->spdif_mutex);
2234
2235 return 0;
2236}
2237
2238
2239
2240
2241static unsigned short convert_from_spdif_status(unsigned int sbits)
2242{
2243 unsigned short val = 0;
2244
2245 if (sbits & IEC958_AES0_PROFESSIONAL)
2246 val |= AC_DIG1_PROFESSIONAL;
2247 if (sbits & IEC958_AES0_NONAUDIO)
2248 val |= AC_DIG1_NONAUDIO;
2249 if (sbits & IEC958_AES0_PROFESSIONAL) {
2250 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
2251 IEC958_AES0_PRO_EMPHASIS_5015)
2252 val |= AC_DIG1_EMPHASIS;
2253 } else {
2254 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
2255 IEC958_AES0_CON_EMPHASIS_5015)
2256 val |= AC_DIG1_EMPHASIS;
2257 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
2258 val |= AC_DIG1_COPYRIGHT;
2259 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
2260 val |= AC_DIG1_LEVEL;
2261 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
2262 }
2263 return val;
2264}
2265
2266
2267
2268static unsigned int convert_to_spdif_status(unsigned short val)
2269{
2270 unsigned int sbits = 0;
2271
2272 if (val & AC_DIG1_NONAUDIO)
2273 sbits |= IEC958_AES0_NONAUDIO;
2274 if (val & AC_DIG1_PROFESSIONAL)
2275 sbits |= IEC958_AES0_PROFESSIONAL;
2276 if (sbits & IEC958_AES0_PROFESSIONAL) {
2277 if (val & AC_DIG1_EMPHASIS)
2278 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
2279 } else {
2280 if (val & AC_DIG1_EMPHASIS)
2281 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
2282 if (!(val & AC_DIG1_COPYRIGHT))
2283 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
2284 if (val & AC_DIG1_LEVEL)
2285 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
2286 sbits |= val & (0x7f << 8);
2287 }
2288 return sbits;
2289}
2290
2291
2292static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
2293 int mask, int val)
2294{
2295 const hda_nid_t *d;
2296
2297 snd_hdac_regmap_update(&codec->core, nid, AC_VERB_SET_DIGI_CONVERT_1,
2298 mask, val);
2299 d = codec->follower_dig_outs;
2300 if (!d)
2301 return;
2302 for (; *d; d++)
2303 snd_hdac_regmap_update(&codec->core, *d,
2304 AC_VERB_SET_DIGI_CONVERT_1, mask, val);
2305}
2306
2307static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
2308 int dig1, int dig2)
2309{
2310 unsigned int mask = 0;
2311 unsigned int val = 0;
2312
2313 if (dig1 != -1) {
2314 mask |= 0xff;
2315 val = dig1;
2316 }
2317 if (dig2 != -1) {
2318 mask |= 0xff00;
2319 val |= dig2 << 8;
2320 }
2321 set_dig_out(codec, nid, mask, val);
2322}
2323
2324static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
2325 struct snd_ctl_elem_value *ucontrol)
2326{
2327 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2328 int idx = kcontrol->private_value;
2329 struct hda_spdif_out *spdif;
2330 hda_nid_t nid;
2331 unsigned short val;
2332 int change;
2333
2334 if (WARN_ON(codec->spdif_out.used <= idx))
2335 return -EINVAL;
2336 mutex_lock(&codec->spdif_mutex);
2337 spdif = snd_array_elem(&codec->spdif_out, idx);
2338 nid = spdif->nid;
2339 spdif->status = ucontrol->value.iec958.status[0] |
2340 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
2341 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
2342 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
2343 val = convert_from_spdif_status(spdif->status);
2344 val |= spdif->ctls & 1;
2345 change = spdif->ctls != val;
2346 spdif->ctls = val;
2347 if (change && nid != (u16)-1)
2348 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
2349 mutex_unlock(&codec->spdif_mutex);
2350 return change;
2351}
2352
2353#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
2354
2355static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
2356 struct snd_ctl_elem_value *ucontrol)
2357{
2358 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2359 int idx = kcontrol->private_value;
2360 struct hda_spdif_out *spdif;
2361
2362 if (WARN_ON(codec->spdif_out.used <= idx))
2363 return -EINVAL;
2364 mutex_lock(&codec->spdif_mutex);
2365 spdif = snd_array_elem(&codec->spdif_out, idx);
2366 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
2367 mutex_unlock(&codec->spdif_mutex);
2368 return 0;
2369}
2370
2371static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
2372 int dig1, int dig2)
2373{
2374 set_dig_out_convert(codec, nid, dig1, dig2);
2375
2376 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
2377 (dig1 & AC_DIG1_ENABLE))
2378 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
2379 HDA_AMP_MUTE, 0);
2380}
2381
2382static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
2383 struct snd_ctl_elem_value *ucontrol)
2384{
2385 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2386 int idx = kcontrol->private_value;
2387 struct hda_spdif_out *spdif;
2388 hda_nid_t nid;
2389 unsigned short val;
2390 int change;
2391
2392 if (WARN_ON(codec->spdif_out.used <= idx))
2393 return -EINVAL;
2394 mutex_lock(&codec->spdif_mutex);
2395 spdif = snd_array_elem(&codec->spdif_out, idx);
2396 nid = spdif->nid;
2397 val = spdif->ctls & ~AC_DIG1_ENABLE;
2398 if (ucontrol->value.integer.value[0])
2399 val |= AC_DIG1_ENABLE;
2400 change = spdif->ctls != val;
2401 spdif->ctls = val;
2402 if (change && nid != (u16)-1)
2403 set_spdif_ctls(codec, nid, val & 0xff, -1);
2404 mutex_unlock(&codec->spdif_mutex);
2405 return change;
2406}
2407
2408static const struct snd_kcontrol_new dig_mixes[] = {
2409 {
2410 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2411 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2412 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
2413 .info = snd_hda_spdif_mask_info,
2414 .get = snd_hda_spdif_cmask_get,
2415 },
2416 {
2417 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2418 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2419 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
2420 .info = snd_hda_spdif_mask_info,
2421 .get = snd_hda_spdif_pmask_get,
2422 },
2423 {
2424 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2425 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
2426 .info = snd_hda_spdif_mask_info,
2427 .get = snd_hda_spdif_default_get,
2428 .put = snd_hda_spdif_default_put,
2429 },
2430 {
2431 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2432 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
2433 .info = snd_hda_spdif_out_switch_info,
2434 .get = snd_hda_spdif_out_switch_get,
2435 .put = snd_hda_spdif_out_switch_put,
2436 },
2437 { }
2438};
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
2452 hda_nid_t associated_nid,
2453 hda_nid_t cvt_nid,
2454 int type)
2455{
2456 int err;
2457 struct snd_kcontrol *kctl;
2458 const struct snd_kcontrol_new *dig_mix;
2459 int idx = 0;
2460 int val = 0;
2461 const int spdif_index = 16;
2462 struct hda_spdif_out *spdif;
2463 struct hda_bus *bus = codec->bus;
2464
2465 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
2466 type == HDA_PCM_TYPE_SPDIF) {
2467 idx = spdif_index;
2468 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
2469 type == HDA_PCM_TYPE_HDMI) {
2470
2471 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2472 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
2473 if (!kctl)
2474 break;
2475 kctl->id.index = spdif_index;
2476 }
2477 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
2478 }
2479 if (!bus->primary_dig_out_type)
2480 bus->primary_dig_out_type = type;
2481
2482 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
2483 if (idx < 0) {
2484 codec_err(codec, "too many IEC958 outputs\n");
2485 return -EBUSY;
2486 }
2487 spdif = snd_array_new(&codec->spdif_out);
2488 if (!spdif)
2489 return -ENOMEM;
2490 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
2491 kctl = snd_ctl_new1(dig_mix, codec);
2492 if (!kctl)
2493 return -ENOMEM;
2494 kctl->id.index = idx;
2495 kctl->private_value = codec->spdif_out.used - 1;
2496 err = snd_hda_ctl_add(codec, associated_nid, kctl);
2497 if (err < 0)
2498 return err;
2499 }
2500 spdif->nid = cvt_nid;
2501 snd_hdac_regmap_read(&codec->core, cvt_nid,
2502 AC_VERB_GET_DIGI_CONVERT_1, &val);
2503 spdif->ctls = val;
2504 spdif->status = convert_to_spdif_status(spdif->ctls);
2505 return 0;
2506}
2507EXPORT_SYMBOL_GPL(snd_hda_create_dig_out_ctls);
2508
2509
2510
2511
2512
2513
2514
2515
2516struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
2517 hda_nid_t nid)
2518{
2519 struct hda_spdif_out *spdif;
2520 int i;
2521
2522 snd_array_for_each(&codec->spdif_out, i, spdif) {
2523 if (spdif->nid == nid)
2524 return spdif;
2525 }
2526 return NULL;
2527}
2528EXPORT_SYMBOL_GPL(snd_hda_spdif_out_of_nid);
2529
2530
2531
2532
2533
2534
2535
2536
2537void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
2538{
2539 struct hda_spdif_out *spdif;
2540
2541 if (WARN_ON(codec->spdif_out.used <= idx))
2542 return;
2543 mutex_lock(&codec->spdif_mutex);
2544 spdif = snd_array_elem(&codec->spdif_out, idx);
2545 spdif->nid = (u16)-1;
2546 mutex_unlock(&codec->spdif_mutex);
2547}
2548EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_unassign);
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
2559{
2560 struct hda_spdif_out *spdif;
2561 unsigned short val;
2562
2563 if (WARN_ON(codec->spdif_out.used <= idx))
2564 return;
2565 mutex_lock(&codec->spdif_mutex);
2566 spdif = snd_array_elem(&codec->spdif_out, idx);
2567 if (spdif->nid != nid) {
2568 spdif->nid = nid;
2569 val = spdif->ctls;
2570 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
2571 }
2572 mutex_unlock(&codec->spdif_mutex);
2573}
2574EXPORT_SYMBOL_GPL(snd_hda_spdif_ctls_assign);
2575
2576
2577
2578
2579static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
2580 struct snd_ctl_elem_value *ucontrol)
2581{
2582 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2583 ucontrol->value.integer.value[0] = mout->share_spdif;
2584 return 0;
2585}
2586
2587static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
2588 struct snd_ctl_elem_value *ucontrol)
2589{
2590 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
2591 mout->share_spdif = !!ucontrol->value.integer.value[0];
2592 return 0;
2593}
2594
2595static const struct snd_kcontrol_new spdif_share_sw = {
2596 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2597 .name = "IEC958 Default PCM Playback Switch",
2598 .info = snd_ctl_boolean_mono_info,
2599 .get = spdif_share_sw_get,
2600 .put = spdif_share_sw_put,
2601};
2602
2603
2604
2605
2606
2607
2608int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
2609 struct hda_multi_out *mout)
2610{
2611 struct snd_kcontrol *kctl;
2612
2613 if (!mout->dig_out_nid)
2614 return 0;
2615
2616 kctl = snd_ctl_new1(&spdif_share_sw, mout);
2617 if (!kctl)
2618 return -ENOMEM;
2619
2620 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
2621}
2622EXPORT_SYMBOL_GPL(snd_hda_create_spdif_share_sw);
2623
2624
2625
2626
2627
2628#define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
2629
2630static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
2631 struct snd_ctl_elem_value *ucontrol)
2632{
2633 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2634
2635 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
2636 return 0;
2637}
2638
2639static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
2640 struct snd_ctl_elem_value *ucontrol)
2641{
2642 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2643 hda_nid_t nid = kcontrol->private_value;
2644 unsigned int val = !!ucontrol->value.integer.value[0];
2645 int change;
2646
2647 mutex_lock(&codec->spdif_mutex);
2648 change = codec->spdif_in_enable != val;
2649 if (change) {
2650 codec->spdif_in_enable = val;
2651 snd_hdac_regmap_write(&codec->core, nid,
2652 AC_VERB_SET_DIGI_CONVERT_1, val);
2653 }
2654 mutex_unlock(&codec->spdif_mutex);
2655 return change;
2656}
2657
2658static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
2659 struct snd_ctl_elem_value *ucontrol)
2660{
2661 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2662 hda_nid_t nid = kcontrol->private_value;
2663 unsigned int val;
2664 unsigned int sbits;
2665
2666 snd_hdac_regmap_read(&codec->core, nid,
2667 AC_VERB_GET_DIGI_CONVERT_1, &val);
2668 sbits = convert_to_spdif_status(val);
2669 ucontrol->value.iec958.status[0] = sbits;
2670 ucontrol->value.iec958.status[1] = sbits >> 8;
2671 ucontrol->value.iec958.status[2] = sbits >> 16;
2672 ucontrol->value.iec958.status[3] = sbits >> 24;
2673 return 0;
2674}
2675
2676static const struct snd_kcontrol_new dig_in_ctls[] = {
2677 {
2678 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2679 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
2680 .info = snd_hda_spdif_in_switch_info,
2681 .get = snd_hda_spdif_in_switch_get,
2682 .put = snd_hda_spdif_in_switch_put,
2683 },
2684 {
2685 .access = SNDRV_CTL_ELEM_ACCESS_READ,
2686 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2687 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
2688 .info = snd_hda_spdif_mask_info,
2689 .get = snd_hda_spdif_in_status_get,
2690 },
2691 { }
2692};
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
2705{
2706 int err;
2707 struct snd_kcontrol *kctl;
2708 const struct snd_kcontrol_new *dig_mix;
2709 int idx;
2710
2711 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
2712 if (idx < 0) {
2713 codec_err(codec, "too many IEC958 inputs\n");
2714 return -EBUSY;
2715 }
2716 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
2717 kctl = snd_ctl_new1(dig_mix, codec);
2718 if (!kctl)
2719 return -ENOMEM;
2720 kctl->private_value = nid;
2721 err = snd_hda_ctl_add(codec, nid, kctl);
2722 if (err < 0)
2723 return err;
2724 }
2725 codec->spdif_in_enable =
2726 snd_hda_codec_read(codec, nid, 0,
2727 AC_VERB_GET_DIGI_CONVERT_1, 0) &
2728 AC_DIG1_ENABLE;
2729 return 0;
2730}
2731EXPORT_SYMBOL_GPL(snd_hda_create_spdif_in_ctls);
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
2744 unsigned int power_state)
2745{
2746 hda_nid_t nid;
2747
2748 for_each_hda_codec_node(nid, codec) {
2749 unsigned int wcaps = get_wcaps(codec, nid);
2750 unsigned int state = power_state;
2751 if (!(wcaps & AC_WCAP_POWER))
2752 continue;
2753 if (codec->power_filter) {
2754 state = codec->power_filter(codec, nid, power_state);
2755 if (state != power_state && power_state == AC_PWRST_D3)
2756 continue;
2757 }
2758 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
2759 state);
2760 }
2761}
2762EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
2774 hda_nid_t nid,
2775 unsigned int power_state)
2776{
2777 if (nid == codec->core.afg || nid == codec->core.mfg)
2778 return power_state;
2779 if (power_state == AC_PWRST_D3 &&
2780 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
2781 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
2782 int eapd = snd_hda_codec_read(codec, nid, 0,
2783 AC_VERB_GET_EAPD_BTLENABLE, 0);
2784 if (eapd & 0x02)
2785 return AC_PWRST_D0;
2786 }
2787 return power_state;
2788}
2789EXPORT_SYMBOL_GPL(snd_hda_codec_eapd_power_filter);
2790
2791
2792
2793
2794static unsigned int hda_set_power_state(struct hda_codec *codec,
2795 unsigned int power_state)
2796{
2797 hda_nid_t fg = codec->core.afg ? codec->core.afg : codec->core.mfg;
2798 int count;
2799 unsigned int state;
2800 int flags = 0;
2801
2802
2803 if (power_state == AC_PWRST_D3) {
2804 if (codec->depop_delay < 0)
2805 msleep(codec_has_epss(codec) ? 10 : 100);
2806 else if (codec->depop_delay > 0)
2807 msleep(codec->depop_delay);
2808 flags = HDA_RW_NO_RESPONSE_FALLBACK;
2809 }
2810
2811
2812 for (count = 0; count < 10; count++) {
2813 if (codec->patch_ops.set_power_state)
2814 codec->patch_ops.set_power_state(codec, fg,
2815 power_state);
2816 else {
2817 state = power_state;
2818 if (codec->power_filter)
2819 state = codec->power_filter(codec, fg, state);
2820 if (state == power_state || power_state != AC_PWRST_D3)
2821 snd_hda_codec_read(codec, fg, flags,
2822 AC_VERB_SET_POWER_STATE,
2823 state);
2824 snd_hda_codec_set_power_to_all(codec, fg, power_state);
2825 }
2826 state = snd_hda_sync_power_state(codec, fg, power_state);
2827 if (!(state & AC_PWRST_ERROR))
2828 break;
2829 }
2830
2831 return state;
2832}
2833
2834
2835
2836
2837static void sync_power_up_states(struct hda_codec *codec)
2838{
2839 hda_nid_t nid;
2840
2841
2842 if (!codec->power_filter)
2843 return;
2844
2845 for_each_hda_codec_node(nid, codec) {
2846 unsigned int wcaps = get_wcaps(codec, nid);
2847 unsigned int target;
2848 if (!(wcaps & AC_WCAP_POWER))
2849 continue;
2850 target = codec->power_filter(codec, nid, AC_PWRST_D0);
2851 if (target == AC_PWRST_D0)
2852 continue;
2853 if (!snd_hda_check_power_state(codec, nid, target))
2854 snd_hda_codec_write(codec, nid, 0,
2855 AC_VERB_SET_POWER_STATE, target);
2856 }
2857}
2858
2859#ifdef CONFIG_SND_HDA_RECONFIG
2860
2861static void hda_exec_init_verbs(struct hda_codec *codec)
2862{
2863 if (codec->init_verbs.list)
2864 snd_hda_sequence_write(codec, codec->init_verbs.list);
2865}
2866#else
2867static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
2868#endif
2869
2870#ifdef CONFIG_PM
2871
2872static void update_power_acct(struct hda_codec *codec, bool on)
2873{
2874 unsigned long delta = jiffies - codec->power_jiffies;
2875
2876 if (on)
2877 codec->power_on_acct += delta;
2878 else
2879 codec->power_off_acct += delta;
2880 codec->power_jiffies += delta;
2881}
2882
2883void snd_hda_update_power_acct(struct hda_codec *codec)
2884{
2885 update_power_acct(codec, hda_codec_is_power_on(codec));
2886}
2887
2888
2889
2890
2891
2892static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
2893{
2894 unsigned int state;
2895
2896 snd_hdac_enter_pm(&codec->core);
2897 if (codec->patch_ops.suspend)
2898 codec->patch_ops.suspend(codec);
2899 hda_cleanup_all_streams(codec);
2900 state = hda_set_power_state(codec, AC_PWRST_D3);
2901 update_power_acct(codec, true);
2902 snd_hdac_leave_pm(&codec->core);
2903 return state;
2904}
2905
2906
2907
2908
2909static void hda_call_codec_resume(struct hda_codec *codec)
2910{
2911 snd_hdac_enter_pm(&codec->core);
2912 if (codec->core.regmap)
2913 regcache_mark_dirty(codec->core.regmap);
2914
2915 codec->power_jiffies = jiffies;
2916
2917 hda_set_power_state(codec, AC_PWRST_D0);
2918 restore_shutup_pins(codec);
2919 hda_exec_init_verbs(codec);
2920 snd_hda_jack_set_dirty_all(codec);
2921 if (codec->patch_ops.resume)
2922 codec->patch_ops.resume(codec);
2923 else {
2924 if (codec->patch_ops.init)
2925 codec->patch_ops.init(codec);
2926 snd_hda_regmap_sync(codec);
2927 }
2928
2929 if (codec->jackpoll_interval)
2930 hda_jackpoll_work(&codec->jackpoll_work.work);
2931 else
2932 snd_hda_jack_report_sync(codec);
2933 codec->core.dev.power.power_state = PMSG_ON;
2934 snd_hdac_leave_pm(&codec->core);
2935}
2936
2937static int hda_codec_runtime_suspend(struct device *dev)
2938{
2939 struct hda_codec *codec = dev_to_hda_codec(dev);
2940 unsigned int state;
2941
2942
2943 if (!codec->card)
2944 return 0;
2945
2946 cancel_delayed_work_sync(&codec->jackpoll_work);
2947 state = hda_call_codec_suspend(codec);
2948 if (codec->link_down_at_suspend ||
2949 (codec_has_clkstop(codec) && codec_has_epss(codec) &&
2950 (state & AC_PWRST_CLK_STOP_OK)))
2951 snd_hdac_codec_link_down(&codec->core);
2952 codec_display_power(codec, false);
2953 return 0;
2954}
2955
2956static int hda_codec_runtime_resume(struct device *dev)
2957{
2958 struct hda_codec *codec = dev_to_hda_codec(dev);
2959
2960
2961 if (!codec->card)
2962 return 0;
2963
2964 codec_display_power(codec, true);
2965 snd_hdac_codec_link_up(&codec->core);
2966 hda_call_codec_resume(codec);
2967 pm_runtime_mark_last_busy(dev);
2968 return 0;
2969}
2970
2971#endif
2972
2973#ifdef CONFIG_PM_SLEEP
2974static int hda_codec_pm_prepare(struct device *dev)
2975{
2976 return pm_runtime_suspended(dev);
2977}
2978
2979static void hda_codec_pm_complete(struct device *dev)
2980{
2981 struct hda_codec *codec = dev_to_hda_codec(dev);
2982
2983 if (pm_runtime_suspended(dev) && (codec->jackpoll_interval ||
2984 hda_codec_need_resume(codec) || codec->forced_resume))
2985 pm_request_resume(dev);
2986}
2987
2988static int hda_codec_pm_suspend(struct device *dev)
2989{
2990 dev->power.power_state = PMSG_SUSPEND;
2991 return pm_runtime_force_suspend(dev);
2992}
2993
2994static int hda_codec_pm_resume(struct device *dev)
2995{
2996 dev->power.power_state = PMSG_RESUME;
2997 return pm_runtime_force_resume(dev);
2998}
2999
3000static int hda_codec_pm_freeze(struct device *dev)
3001{
3002 dev->power.power_state = PMSG_FREEZE;
3003 return pm_runtime_force_suspend(dev);
3004}
3005
3006static int hda_codec_pm_thaw(struct device *dev)
3007{
3008 dev->power.power_state = PMSG_THAW;
3009 return pm_runtime_force_resume(dev);
3010}
3011
3012static int hda_codec_pm_restore(struct device *dev)
3013{
3014 dev->power.power_state = PMSG_RESTORE;
3015 return pm_runtime_force_resume(dev);
3016}
3017#endif
3018
3019
3020const struct dev_pm_ops hda_codec_driver_pm = {
3021#ifdef CONFIG_PM_SLEEP
3022 .prepare = hda_codec_pm_prepare,
3023 .complete = hda_codec_pm_complete,
3024 .suspend = hda_codec_pm_suspend,
3025 .resume = hda_codec_pm_resume,
3026 .freeze = hda_codec_pm_freeze,
3027 .thaw = hda_codec_pm_thaw,
3028 .poweroff = hda_codec_pm_suspend,
3029 .restore = hda_codec_pm_restore,
3030#endif
3031 SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
3032 NULL)
3033};
3034
3035
3036
3037
3038static int add_std_chmaps(struct hda_codec *codec)
3039{
3040 struct hda_pcm *pcm;
3041 int str, err;
3042
3043 list_for_each_entry(pcm, &codec->pcm_list_head, list) {
3044 for (str = 0; str < 2; str++) {
3045 struct hda_pcm_stream *hinfo = &pcm->stream[str];
3046 struct snd_pcm_chmap *chmap;
3047 const struct snd_pcm_chmap_elem *elem;
3048
3049 if (!pcm->pcm || pcm->own_chmap || !hinfo->substreams)
3050 continue;
3051 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
3052 err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
3053 hinfo->channels_max,
3054 0, &chmap);
3055 if (err < 0)
3056 return err;
3057 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
3058 }
3059 }
3060 return 0;
3061}
3062
3063
3064
3065
3066const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
3067 { .channels = 2,
3068 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
3069 { .channels = 4,
3070 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
3071 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
3072 { }
3073};
3074EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
3075
3076int snd_hda_codec_build_controls(struct hda_codec *codec)
3077{
3078 int err = 0;
3079 hda_exec_init_verbs(codec);
3080
3081 if (codec->patch_ops.init)
3082 err = codec->patch_ops.init(codec);
3083 if (!err && codec->patch_ops.build_controls)
3084 err = codec->patch_ops.build_controls(codec);
3085 if (err < 0)
3086 return err;
3087
3088
3089 err = add_std_chmaps(codec);
3090 if (err < 0)
3091 return err;
3092
3093 if (codec->jackpoll_interval)
3094 hda_jackpoll_work(&codec->jackpoll_work.work);
3095 else
3096 snd_hda_jack_report_sync(codec);
3097 sync_power_up_states(codec);
3098 return 0;
3099}
3100EXPORT_SYMBOL_GPL(snd_hda_codec_build_controls);
3101
3102
3103
3104
3105static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
3106 struct hda_codec *codec,
3107 struct snd_pcm_substream *substream)
3108{
3109 return 0;
3110}
3111
3112static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
3113 struct hda_codec *codec,
3114 unsigned int stream_tag,
3115 unsigned int format,
3116 struct snd_pcm_substream *substream)
3117{
3118 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
3119 return 0;
3120}
3121
3122static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
3123 struct hda_codec *codec,
3124 struct snd_pcm_substream *substream)
3125{
3126 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
3127 return 0;
3128}
3129
3130static int set_pcm_default_values(struct hda_codec *codec,
3131 struct hda_pcm_stream *info)
3132{
3133 int err;
3134
3135
3136 if (info->nid && (!info->rates || !info->formats)) {
3137 err = snd_hda_query_supported_pcm(codec, info->nid,
3138 info->rates ? NULL : &info->rates,
3139 info->formats ? NULL : &info->formats,
3140 info->maxbps ? NULL : &info->maxbps);
3141 if (err < 0)
3142 return err;
3143 }
3144 if (info->ops.open == NULL)
3145 info->ops.open = hda_pcm_default_open_close;
3146 if (info->ops.close == NULL)
3147 info->ops.close = hda_pcm_default_open_close;
3148 if (info->ops.prepare == NULL) {
3149 if (snd_BUG_ON(!info->nid))
3150 return -EINVAL;
3151 info->ops.prepare = hda_pcm_default_prepare;
3152 }
3153 if (info->ops.cleanup == NULL) {
3154 if (snd_BUG_ON(!info->nid))
3155 return -EINVAL;
3156 info->ops.cleanup = hda_pcm_default_cleanup;
3157 }
3158 return 0;
3159}
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175int snd_hda_codec_prepare(struct hda_codec *codec,
3176 struct hda_pcm_stream *hinfo,
3177 unsigned int stream,
3178 unsigned int format,
3179 struct snd_pcm_substream *substream)
3180{
3181 int ret;
3182 mutex_lock(&codec->bus->prepare_mutex);
3183 if (hinfo->ops.prepare)
3184 ret = hinfo->ops.prepare(hinfo, codec, stream, format,
3185 substream);
3186 else
3187 ret = -ENODEV;
3188 if (ret >= 0)
3189 purify_inactive_streams(codec);
3190 mutex_unlock(&codec->bus->prepare_mutex);
3191 return ret;
3192}
3193EXPORT_SYMBOL_GPL(snd_hda_codec_prepare);
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203void snd_hda_codec_cleanup(struct hda_codec *codec,
3204 struct hda_pcm_stream *hinfo,
3205 struct snd_pcm_substream *substream)
3206{
3207 mutex_lock(&codec->bus->prepare_mutex);
3208 if (hinfo->ops.cleanup)
3209 hinfo->ops.cleanup(hinfo, codec, substream);
3210 mutex_unlock(&codec->bus->prepare_mutex);
3211}
3212EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
3213
3214
3215const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
3216 "Audio", "SPDIF", "HDMI", "Modem"
3217};
3218
3219
3220
3221
3222static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
3223{
3224
3225
3226
3227
3228 static const int audio_idx[HDA_PCM_NTYPES][5] = {
3229 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
3230 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
3231 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
3232 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
3233 };
3234 int i;
3235
3236 if (type >= HDA_PCM_NTYPES) {
3237 dev_err(bus->card->dev, "Invalid PCM type %d\n", type);
3238 return -EINVAL;
3239 }
3240
3241 for (i = 0; audio_idx[type][i] >= 0; i++) {
3242#ifndef CONFIG_SND_DYNAMIC_MINORS
3243 if (audio_idx[type][i] >= 8)
3244 break;
3245#endif
3246 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
3247 return audio_idx[type][i];
3248 }
3249
3250#ifdef CONFIG_SND_DYNAMIC_MINORS
3251
3252 for (i = 10; i < 32; i++) {
3253 if (!test_and_set_bit(i, bus->pcm_dev_bits))
3254 return i;
3255 }
3256#endif
3257
3258 dev_warn(bus->card->dev, "Too many %s devices\n",
3259 snd_hda_pcm_type_name[type]);
3260#ifndef CONFIG_SND_DYNAMIC_MINORS
3261 dev_warn(bus->card->dev,
3262 "Consider building the kernel with CONFIG_SND_DYNAMIC_MINORS=y\n");
3263#endif
3264 return -EAGAIN;
3265}
3266
3267
3268int snd_hda_codec_parse_pcms(struct hda_codec *codec)
3269{
3270 struct hda_pcm *cpcm;
3271 int err;
3272
3273 if (!list_empty(&codec->pcm_list_head))
3274 return 0;
3275
3276 if (!codec->patch_ops.build_pcms)
3277 return 0;
3278
3279 err = codec->patch_ops.build_pcms(codec);
3280 if (err < 0) {
3281 codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
3282 codec->core.addr, err);
3283 return err;
3284 }
3285
3286 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3287 int stream;
3288
3289 for (stream = 0; stream < 2; stream++) {
3290 struct hda_pcm_stream *info = &cpcm->stream[stream];
3291
3292 if (!info->substreams)
3293 continue;
3294 err = set_pcm_default_values(codec, info);
3295 if (err < 0) {
3296 codec_warn(codec,
3297 "fail to setup default for PCM %s\n",
3298 cpcm->name);
3299 return err;
3300 }
3301 }
3302 }
3303
3304 return 0;
3305}
3306EXPORT_SYMBOL_GPL(snd_hda_codec_parse_pcms);
3307
3308
3309int snd_hda_codec_build_pcms(struct hda_codec *codec)
3310{
3311 struct hda_bus *bus = codec->bus;
3312 struct hda_pcm *cpcm;
3313 int dev, err;
3314
3315 err = snd_hda_codec_parse_pcms(codec);
3316 if (err < 0)
3317 return err;
3318
3319
3320 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3321 if (cpcm->pcm)
3322 continue;
3323 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
3324 continue;
3325
3326 dev = get_empty_pcm_device(bus, cpcm->pcm_type);
3327 if (dev < 0) {
3328 cpcm->device = SNDRV_PCM_INVALID_DEVICE;
3329 continue;
3330 }
3331 cpcm->device = dev;
3332 err = snd_hda_attach_pcm_stream(bus, codec, cpcm);
3333 if (err < 0) {
3334 codec_err(codec,
3335 "cannot attach PCM stream %d for codec #%d\n",
3336 dev, codec->core.addr);
3337 continue;
3338 }
3339 }
3340
3341 return 0;
3342}
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354int snd_hda_add_new_ctls(struct hda_codec *codec,
3355 const struct snd_kcontrol_new *knew)
3356{
3357 int err;
3358
3359 for (; knew->name; knew++) {
3360 struct snd_kcontrol *kctl;
3361 int addr = 0, idx = 0;
3362 if (knew->iface == (__force snd_ctl_elem_iface_t)-1)
3363 continue;
3364 for (;;) {
3365 kctl = snd_ctl_new1(knew, codec);
3366 if (!kctl)
3367 return -ENOMEM;
3368 if (addr > 0)
3369 kctl->id.device = addr;
3370 if (idx > 0)
3371 kctl->id.index = idx;
3372 err = snd_hda_ctl_add(codec, 0, kctl);
3373 if (!err)
3374 break;
3375
3376
3377
3378
3379 if (!addr && codec->core.addr)
3380 addr = codec->core.addr;
3381 else if (!idx && !knew->index) {
3382 idx = find_empty_mixer_ctl_idx(codec,
3383 knew->name, 0);
3384 if (idx <= 0)
3385 return err;
3386 } else
3387 return err;
3388 }
3389 }
3390 return 0;
3391}
3392EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
3393
3394#ifdef CONFIG_PM
3395static void codec_set_power_save(struct hda_codec *codec, int delay)
3396{
3397 struct device *dev = hda_codec_dev(codec);
3398
3399 if (delay == 0 && codec->auto_runtime_pm)
3400 delay = 3000;
3401
3402 if (delay > 0) {
3403 pm_runtime_set_autosuspend_delay(dev, delay);
3404 pm_runtime_use_autosuspend(dev);
3405 pm_runtime_allow(dev);
3406 if (!pm_runtime_suspended(dev))
3407 pm_runtime_mark_last_busy(dev);
3408 } else {
3409 pm_runtime_dont_use_autosuspend(dev);
3410 pm_runtime_forbid(dev);
3411 }
3412}
3413
3414
3415
3416
3417
3418
3419
3420
3421void snd_hda_set_power_save(struct hda_bus *bus, int delay)
3422{
3423 struct hda_codec *c;
3424
3425 list_for_each_codec(c, bus)
3426 codec_set_power_save(c, delay);
3427}
3428EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443int snd_hda_check_amp_list_power(struct hda_codec *codec,
3444 struct hda_loopback_check *check,
3445 hda_nid_t nid)
3446{
3447 const struct hda_amp_list *p;
3448 int ch, v;
3449
3450 if (!check->amplist)
3451 return 0;
3452 for (p = check->amplist; p->nid; p++) {
3453 if (p->nid == nid)
3454 break;
3455 }
3456 if (!p->nid)
3457 return 0;
3458
3459 for (p = check->amplist; p->nid; p++) {
3460 for (ch = 0; ch < 2; ch++) {
3461 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
3462 p->idx);
3463 if (!(v & HDA_AMP_MUTE) && v > 0) {
3464 if (!check->power_on) {
3465 check->power_on = 1;
3466 snd_hda_power_up_pm(codec);
3467 }
3468 return 1;
3469 }
3470 }
3471 }
3472 if (check->power_on) {
3473 check->power_on = 0;
3474 snd_hda_power_down_pm(codec);
3475 }
3476 return 0;
3477}
3478EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
3479#endif
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490int snd_hda_input_mux_info(const struct hda_input_mux *imux,
3491 struct snd_ctl_elem_info *uinfo)
3492{
3493 unsigned int index;
3494
3495 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3496 uinfo->count = 1;
3497 uinfo->value.enumerated.items = imux->num_items;
3498 if (!imux->num_items)
3499 return 0;
3500 index = uinfo->value.enumerated.item;
3501 if (index >= imux->num_items)
3502 index = imux->num_items - 1;
3503 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
3504 return 0;
3505}
3506EXPORT_SYMBOL_GPL(snd_hda_input_mux_info);
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516int snd_hda_input_mux_put(struct hda_codec *codec,
3517 const struct hda_input_mux *imux,
3518 struct snd_ctl_elem_value *ucontrol,
3519 hda_nid_t nid,
3520 unsigned int *cur_val)
3521{
3522 unsigned int idx;
3523
3524 if (!imux->num_items)
3525 return 0;
3526 idx = ucontrol->value.enumerated.item[0];
3527 if (idx >= imux->num_items)
3528 idx = imux->num_items - 1;
3529 if (*cur_val == idx)
3530 return 0;
3531 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
3532 imux->items[idx].index);
3533 *cur_val = idx;
3534 return 1;
3535}
3536EXPORT_SYMBOL_GPL(snd_hda_input_mux_put);
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
3550 struct snd_ctl_elem_info *uinfo,
3551 int num_items, const char * const *texts)
3552{
3553 static const char * const texts_default[] = {
3554 "Disabled", "Enabled"
3555 };
3556
3557 if (!texts || !num_items) {
3558 num_items = 2;
3559 texts = texts_default;
3560 }
3561
3562 return snd_ctl_enum_info(uinfo, 1, num_items, texts);
3563}
3564EXPORT_SYMBOL_GPL(snd_hda_enum_helper_info);
3565
3566
3567
3568
3569
3570
3571static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
3572 unsigned int stream_tag, unsigned int format)
3573{
3574 struct hda_spdif_out *spdif;
3575 unsigned int curr_fmt;
3576 bool reset;
3577
3578 spdif = snd_hda_spdif_out_of_nid(codec, nid);
3579
3580
3581
3582 if (WARN_ON(spdif == NULL))
3583 return;
3584
3585 curr_fmt = snd_hda_codec_read(codec, nid, 0,
3586 AC_VERB_GET_STREAM_FORMAT, 0);
3587 reset = codec->spdif_status_reset &&
3588 (spdif->ctls & AC_DIG1_ENABLE) &&
3589 curr_fmt != format;
3590
3591
3592
3593 if (reset)
3594 set_dig_out_convert(codec, nid,
3595 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
3596 -1);
3597 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
3598 if (codec->follower_dig_outs) {
3599 const hda_nid_t *d;
3600 for (d = codec->follower_dig_outs; *d; d++)
3601 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
3602 format);
3603 }
3604
3605 if (reset)
3606 set_dig_out_convert(codec, nid,
3607 spdif->ctls & 0xff, -1);
3608}
3609
3610static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
3611{
3612 snd_hda_codec_cleanup_stream(codec, nid);
3613 if (codec->follower_dig_outs) {
3614 const hda_nid_t *d;
3615 for (d = codec->follower_dig_outs; *d; d++)
3616 snd_hda_codec_cleanup_stream(codec, *d);
3617 }
3618}
3619
3620
3621
3622
3623
3624
3625int snd_hda_multi_out_dig_open(struct hda_codec *codec,
3626 struct hda_multi_out *mout)
3627{
3628 mutex_lock(&codec->spdif_mutex);
3629 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
3630
3631 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3632 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
3633 mutex_unlock(&codec->spdif_mutex);
3634 return 0;
3635}
3636EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_open);
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
3647 struct hda_multi_out *mout,
3648 unsigned int stream_tag,
3649 unsigned int format,
3650 struct snd_pcm_substream *substream)
3651{
3652 mutex_lock(&codec->spdif_mutex);
3653 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
3654 mutex_unlock(&codec->spdif_mutex);
3655 return 0;
3656}
3657EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_prepare);
3658
3659
3660
3661
3662
3663
3664int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
3665 struct hda_multi_out *mout)
3666{
3667 mutex_lock(&codec->spdif_mutex);
3668 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3669 mutex_unlock(&codec->spdif_mutex);
3670 return 0;
3671}
3672EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_cleanup);
3673
3674
3675
3676
3677
3678
3679int snd_hda_multi_out_dig_close(struct hda_codec *codec,
3680 struct hda_multi_out *mout)
3681{
3682 mutex_lock(&codec->spdif_mutex);
3683 mout->dig_out_used = 0;
3684 mutex_unlock(&codec->spdif_mutex);
3685 return 0;
3686}
3687EXPORT_SYMBOL_GPL(snd_hda_multi_out_dig_close);
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700int snd_hda_multi_out_analog_open(struct hda_codec *codec,
3701 struct hda_multi_out *mout,
3702 struct snd_pcm_substream *substream,
3703 struct hda_pcm_stream *hinfo)
3704{
3705 struct snd_pcm_runtime *runtime = substream->runtime;
3706 runtime->hw.channels_max = mout->max_channels;
3707 if (mout->dig_out_nid) {
3708 if (!mout->analog_rates) {
3709 mout->analog_rates = hinfo->rates;
3710 mout->analog_formats = hinfo->formats;
3711 mout->analog_maxbps = hinfo->maxbps;
3712 } else {
3713 runtime->hw.rates = mout->analog_rates;
3714 runtime->hw.formats = mout->analog_formats;
3715 hinfo->maxbps = mout->analog_maxbps;
3716 }
3717 if (!mout->spdif_rates) {
3718 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
3719 &mout->spdif_rates,
3720 &mout->spdif_formats,
3721 &mout->spdif_maxbps);
3722 }
3723 mutex_lock(&codec->spdif_mutex);
3724 if (mout->share_spdif) {
3725 if ((runtime->hw.rates & mout->spdif_rates) &&
3726 (runtime->hw.formats & mout->spdif_formats)) {
3727 runtime->hw.rates &= mout->spdif_rates;
3728 runtime->hw.formats &= mout->spdif_formats;
3729 if (mout->spdif_maxbps < hinfo->maxbps)
3730 hinfo->maxbps = mout->spdif_maxbps;
3731 } else {
3732 mout->share_spdif = 0;
3733
3734 }
3735 }
3736 mutex_unlock(&codec->spdif_mutex);
3737 }
3738 return snd_pcm_hw_constraint_step(substream->runtime, 0,
3739 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3740}
3741EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_open);
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
3755 struct hda_multi_out *mout,
3756 unsigned int stream_tag,
3757 unsigned int format,
3758 struct snd_pcm_substream *substream)
3759{
3760 const hda_nid_t *nids = mout->dac_nids;
3761 int chs = substream->runtime->channels;
3762 struct hda_spdif_out *spdif;
3763 int i;
3764
3765 mutex_lock(&codec->spdif_mutex);
3766 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
3767 if (mout->dig_out_nid && mout->share_spdif &&
3768 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
3769 if (chs == 2 && spdif != NULL &&
3770 snd_hda_is_supported_format(codec, mout->dig_out_nid,
3771 format) &&
3772 !(spdif->status & IEC958_AES0_NONAUDIO)) {
3773 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
3774 setup_dig_out_stream(codec, mout->dig_out_nid,
3775 stream_tag, format);
3776 } else {
3777 mout->dig_out_used = 0;
3778 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3779 }
3780 }
3781 mutex_unlock(&codec->spdif_mutex);
3782
3783
3784 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
3785 0, format);
3786 if (!mout->no_share_stream &&
3787 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
3788
3789 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
3790 0, format);
3791
3792 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3793 if (!mout->no_share_stream && mout->hp_out_nid[i])
3794 snd_hda_codec_setup_stream(codec,
3795 mout->hp_out_nid[i],
3796 stream_tag, 0, format);
3797
3798
3799 for (i = 1; i < mout->num_dacs; i++) {
3800 if (chs >= (i + 1) * 2)
3801 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3802 i * 2, format);
3803 else if (!mout->no_share_stream)
3804 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
3805 0, format);
3806 }
3807
3808
3809 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) {
3810 int ch = 0;
3811 if (!mout->extra_out_nid[i])
3812 break;
3813 if (chs >= (i + 1) * 2)
3814 ch = i * 2;
3815 else if (!mout->no_share_stream)
3816 break;
3817 snd_hda_codec_setup_stream(codec, mout->extra_out_nid[i],
3818 stream_tag, ch, format);
3819 }
3820
3821 return 0;
3822}
3823EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_prepare);
3824
3825
3826
3827
3828
3829
3830int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
3831 struct hda_multi_out *mout)
3832{
3833 const hda_nid_t *nids = mout->dac_nids;
3834 int i;
3835
3836 for (i = 0; i < mout->num_dacs; i++)
3837 snd_hda_codec_cleanup_stream(codec, nids[i]);
3838 if (mout->hp_nid)
3839 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
3840 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
3841 if (mout->hp_out_nid[i])
3842 snd_hda_codec_cleanup_stream(codec,
3843 mout->hp_out_nid[i]);
3844 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
3845 if (mout->extra_out_nid[i])
3846 snd_hda_codec_cleanup_stream(codec,
3847 mout->extra_out_nid[i]);
3848 mutex_lock(&codec->spdif_mutex);
3849 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
3850 cleanup_dig_out_stream(codec, mout->dig_out_nid);
3851 mout->dig_out_used = 0;
3852 }
3853 mutex_unlock(&codec->spdif_mutex);
3854 return 0;
3855}
3856EXPORT_SYMBOL_GPL(snd_hda_multi_out_analog_cleanup);
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
3867{
3868 unsigned int pincap;
3869 unsigned int oldval;
3870 oldval = snd_hda_codec_read(codec, pin, 0,
3871 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
3872 pincap = snd_hda_query_pin_caps(codec, pin);
3873 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3874
3875 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
3876 return AC_PINCTL_VREF_80;
3877 else if (pincap & AC_PINCAP_VREF_50)
3878 return AC_PINCTL_VREF_50;
3879 else if (pincap & AC_PINCAP_VREF_100)
3880 return AC_PINCTL_VREF_100;
3881 else if (pincap & AC_PINCAP_VREF_GRD)
3882 return AC_PINCTL_VREF_GRD;
3883 return AC_PINCTL_VREF_HIZ;
3884}
3885EXPORT_SYMBOL_GPL(snd_hda_get_default_vref);
3886
3887
3888
3889
3890
3891
3892
3893unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
3894 hda_nid_t pin, unsigned int val)
3895{
3896 static const unsigned int cap_lists[][2] = {
3897 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
3898 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
3899 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
3900 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
3901 };
3902 unsigned int cap;
3903
3904 if (!val)
3905 return 0;
3906 cap = snd_hda_query_pin_caps(codec, pin);
3907 if (!cap)
3908 return val;
3909
3910 if (val & AC_PINCTL_OUT_EN) {
3911 if (!(cap & AC_PINCAP_OUT))
3912 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
3913 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
3914 val &= ~AC_PINCTL_HP_EN;
3915 }
3916
3917 if (val & AC_PINCTL_IN_EN) {
3918 if (!(cap & AC_PINCAP_IN))
3919 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
3920 else {
3921 unsigned int vcap, vref;
3922 int i;
3923 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
3924 vref = val & AC_PINCTL_VREFEN;
3925 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
3926 if (vref == cap_lists[i][0] &&
3927 !(vcap & cap_lists[i][1])) {
3928 if (i == ARRAY_SIZE(cap_lists) - 1)
3929 vref = AC_PINCTL_VREF_HIZ;
3930 else
3931 vref = cap_lists[i + 1][0];
3932 }
3933 }
3934 val &= ~AC_PINCTL_VREFEN;
3935 val |= vref;
3936 }
3937 }
3938
3939 return val;
3940}
3941EXPORT_SYMBOL_GPL(snd_hda_correct_pin_ctl);
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
3957 unsigned int val, bool cached)
3958{
3959 val = snd_hda_correct_pin_ctl(codec, pin, val);
3960 snd_hda_codec_set_pin_target(codec, pin, val);
3961 if (cached)
3962 return snd_hda_codec_write_cache(codec, pin, 0,
3963 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3964 else
3965 return snd_hda_codec_write(codec, pin, 0,
3966 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
3967}
3968EXPORT_SYMBOL_GPL(_snd_hda_set_pin_ctl);
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982int snd_hda_add_imux_item(struct hda_codec *codec,
3983 struct hda_input_mux *imux, const char *label,
3984 int index, int *type_idx)
3985{
3986 int i, label_idx = 0;
3987 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
3988 codec_err(codec, "hda_codec: Too many imux items!\n");
3989 return -EINVAL;
3990 }
3991 for (i = 0; i < imux->num_items; i++) {
3992 if (!strncmp(label, imux->items[i].label, strlen(label)))
3993 label_idx++;
3994 }
3995 if (type_idx)
3996 *type_idx = label_idx;
3997 if (label_idx > 0)
3998 snprintf(imux->items[imux->num_items].label,
3999 sizeof(imux->items[imux->num_items].label),
4000 "%s %d", label, label_idx);
4001 else
4002 strlcpy(imux->items[imux->num_items].label, label,
4003 sizeof(imux->items[imux->num_items].label));
4004 imux->items[imux->num_items].index = index;
4005 imux->num_items++;
4006 return 0;
4007}
4008EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
4009
4010
4011
4012
4013
4014void snd_hda_bus_reset_codecs(struct hda_bus *bus)
4015{
4016 struct hda_codec *codec;
4017
4018 list_for_each_codec(codec, bus) {
4019
4020 if (current_work() != &codec->jackpoll_work.work)
4021 cancel_delayed_work_sync(&codec->jackpoll_work);
4022#ifdef CONFIG_PM
4023 if (hda_codec_is_power_on(codec)) {
4024 hda_call_codec_suspend(codec);
4025 hda_call_codec_resume(codec);
4026 }
4027#endif
4028 }
4029}
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039void snd_print_pcm_bits(int pcm, char *buf, int buflen)
4040{
4041 static const unsigned int bits[] = { 8, 16, 20, 24, 32 };
4042 int i, j;
4043
4044 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
4045 if (pcm & (AC_SUPPCM_BITS_8 << i))
4046 j += scnprintf(buf + j, buflen - j, " %d", bits[i]);
4047
4048 buf[j] = '\0';
4049}
4050EXPORT_SYMBOL_GPL(snd_print_pcm_bits);
4051
4052MODULE_DESCRIPTION("HDA codec core");
4053MODULE_LICENSE("GPL");
4054