summaryrefslogtreecommitdiff
path: root/sound/pci/hda/hda_auto_parser.c
blob: 4a854475a0e60f991e221ceecd2088fa1f8c5848 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * BIOS auto-parser helper functions for HD-audio
 *
 * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
 */

#include <linux/slab.h>
#include <linux/export.h>
#include <linux/sort.h>
#include <sound/core.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"

/*
 * Helper for automatic pin configuration
 */

static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
{
	for (; *list; list++)
		if (*list == nid)
			return 1;
	return 0;
}

/* a pair of input pin and its sequence */
struct auto_out_pin {
	hda_nid_t pin;
	short seq;
};

static int compare_seq(const void *ap, const void *bp)
{
	const struct auto_out_pin *a = ap;
	const struct auto_out_pin *b = bp;
	return (int)(a->seq - b->seq);
}

/*
 * Sort an associated group of pins according to their sequence numbers.
 * then store it to a pin array.
 */
static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
				  int num_pins)
{
	int i;
	sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
	for (i = 0; i < num_pins; i++)
		pins[i] = list[i].pin;
}


/* add the found input-pin to the cfg->inputs[] table */
static void add_auto_cfg_input_pin(struct hda_codec *codec, struct auto_pin_cfg *cfg,
				   hda_nid_t nid, int type)
{
	if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
		cfg->inputs[cfg->num_inputs].pin = nid;
		cfg->inputs[cfg->num_inputs].type = type;
		cfg->inputs[cfg->num_inputs].has_boost_on_pin =
			nid_has_volume(codec, nid, HDA_INPUT);
		cfg->num_inputs++;
	}
}

static int compare_input_type(const void *ap, const void *bp)
{
	const struct auto_pin_cfg_item *a = ap;
	const struct auto_pin_cfg_item *b = bp;
	if (a->type != b->type)
		return (int)(a->type - b->type);

	/* If has both hs_mic and hp_mic, pick the hs_mic ahead of hp_mic. */
	if (a->is_headset_mic && b->is_headphone_mic)
		return -1; /* don't swap */
	else if (a->is_headphone_mic && b->is_headset_mic)
		return 1; /* swap */

	/* In case one has boost and the other one has not,
	   pick the one with boost first. */
	return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
}

/* Reorder the surround channels
 * ALSA sequence is front/surr/clfe/side
 * HDA sequence is:
 *    4-ch: front/surr  =>  OK as it is
 *    6-ch: front/clfe/surr
 *    8-ch: front/clfe/rear/side|fc
 */
static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
{
	hda_nid_t nid;

	switch (nums) {
	case 3:
	case 4:
		nid = pins[1];
		pins[1] = pins[2];
		pins[2] = nid;
		break;
	}
}

/* check whether the given pin has a proper pin I/O capability bit */
static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
				  unsigned int dev)
{
	unsigned int pincap = snd_hda_query_pin_caps(codec, pin);

	/* some old hardware don't return the proper pincaps */
	if (!pincap)
		return true;

	switch (dev) {
	case AC_JACK_LINE_OUT:
	case AC_JACK_SPEAKER:
	case AC_JACK_HP_OUT:
	case AC_JACK_SPDIF_OUT:
	case AC_JACK_DIG_OTHER_OUT:
		return !!(pincap & AC_PINCAP_OUT);
	default:
		return !!(pincap & AC_PINCAP_IN);
	}
}

static bool can_be_headset_mic(struct hda_codec *codec,
			       struct auto_pin_cfg_item *item,
			       int seq_number)
{
	int attr;
	unsigned int def_conf;
	if (item->type != AUTO_PIN_MIC)
		return false;

	if (item->is_headset_mic || item->is_headphone_mic)
		return false; /* Already assigned */

	def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
	attr = snd_hda_get_input_pin_attr(def_conf);
	if (attr <= INPUT_PIN_ATTR_DOCK)
		return false;

	if (seq_number >= 0) {
		int seq = get_defcfg_sequence(def_conf);
		if (seq != seq_number)
			return false;
	}

	return true;
}

/*
 * Parse all pin widgets and store the useful pin nids to cfg
 *
 * The number of line-outs or any primary output is stored in line_outs,
 * and the corresponding output pins are assigned to line_out_pins[],
 * in the order of front, rear, CLFE, side, ...
 *
 * If more extra outputs (speaker and headphone) are found, the pins are
 * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
 * is detected, one of speaker of HP pins is assigned as the primary
 * output, i.e. to line_out_pins[0].  So, line_outs is always positive
 * if any analog output exists.
 *
 * The analog input pins are assigned to inputs array.
 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
 * respectively.
 */
int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
			     struct auto_pin_cfg *cfg,
			     const hda_nid_t *ignore_nids,
			     unsigned int cond_flags)
{
	hda_nid_t nid;
	short seq, assoc_line_out;
	struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
	struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
	struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
	int i;

	if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
		cond_flags = i;

	memset(cfg, 0, sizeof(*cfg));

	memset(line_out, 0, sizeof(line_out));
	memset(speaker_out, 0, sizeof(speaker_out));
	memset(hp_out, 0, sizeof(hp_out));
	assoc_line_out = 0;

	for_each_hda_codec_node(nid, codec) {
		unsigned int wid_caps = get_wcaps(codec, nid);
		unsigned int wid_type = get_wcaps_type(wid_caps);
		unsigned int def_conf;
		short assoc, loc, conn, dev;

		/* read all default configuration for pin complex */
		if (wid_type != AC_WID_PIN)
			continue;
		/* ignore the given nids (e.g. pc-beep returns error) */
		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
			continue;

		def_conf = snd_hda_codec_get_pincfg(codec, nid);
		conn = get_defcfg_connect(def_conf);
		if (conn == AC_JACK_PORT_NONE)
			continue;
		loc = get_defcfg_location(def_conf);
		dev = get_defcfg_device(def_conf);

		/* workaround for buggy BIOS setups */
		if (dev == AC_JACK_LINE_OUT) {
			if (conn == AC_JACK_PORT_FIXED ||
			    conn == AC_JACK_PORT_BOTH)
				dev = AC_JACK_SPEAKER;
		}

		if (!check_pincap_validity(codec, nid, dev))
			continue;

		switch (dev) {
		case AC_JACK_LINE_OUT:
			seq = get_defcfg_sequence(def_conf);
			assoc = get_defcfg_association(def_conf);

			if (!(wid_caps & AC_WCAP_STEREO))
				if (!cfg->mono_out_pin)
					cfg->mono_out_pin = nid;
			if (!assoc)
				continue;
			if (!assoc_line_out)
				assoc_line_out = assoc;
			else if (assoc_line_out != assoc) {
				codec_info(codec,
					   "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
					   nid, assoc, assoc_line_out);
				continue;
			}
			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
				codec_info(codec,
					   "ignore pin 0x%x, too many assigned pins\n",
					   nid);
				continue;
			}
			line_out[cfg->line_outs].pin = nid;
			line_out[cfg->line_outs].seq = seq;
			cfg->line_outs++;
			break;
		case AC_JACK_SPEAKER:
			seq = get_defcfg_sequence(def_conf);
			assoc = get_defcfg_association(def_conf);
			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
				codec_info(codec,
					   "ignore pin 0x%x, too many assigned pins\n",
					   nid);
				continue;
			}
			speaker_out[cfg->speaker_outs].pin = nid;
			speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
			cfg->speaker_outs++;
			break;
		case AC_JACK_HP_OUT:
			seq = get_defcfg_sequence(def_conf);
			assoc = get_defcfg_association(def_conf);
			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
				codec_info(codec,
					   "ignore pin 0x%x, too many assigned pins\n",
					   nid);
				continue;
			}
			hp_out[cfg->hp_outs].pin = nid;
			hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
			cfg->hp_outs++;
			break;
		case AC_JACK_MIC_IN:
			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
			break;
		case AC_JACK_LINE_IN:
			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
			break;
		case AC_JACK_CD:
			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
			break;
		case AC_JACK_AUX:
			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
			break;
		case AC_JACK_SPDIF_OUT:
		case AC_JACK_DIG_OTHER_OUT:
			if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
				codec_info(codec,
					   "ignore pin 0x%x, too many assigned pins\n",
					   nid);
				continue;
			}
			cfg->dig_out_pins[cfg->dig_outs] = nid;
			cfg->dig_out_type[cfg->dig_outs] =
				(loc == AC_JACK_LOC_HDMI) ?
				HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
			cfg->dig_outs++;
			break;
		case AC_JACK_SPDIF_IN:
		case AC_JACK_DIG_OTHER_IN:
			cfg->dig_in_pin = nid;
			if (loc == AC_JACK_LOC_HDMI)
				cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
			else
				cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
			break;
		}
	}

	/* Find a pin that could be a headset or headphone mic */
	if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
		bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
		bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
			if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
				cfg->inputs[i].is_headset_mic = 1;
				hsmic = false;
			} else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
				cfg->inputs[i].is_headphone_mic = 1;
				hpmic = false;
			}

		/* If we didn't find our sequence number mark, fall back to any sequence number */
		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
			if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
				continue;
			if (hsmic) {
				cfg->inputs[i].is_headset_mic = 1;
				hsmic = false;
			} else if (hpmic) {
				cfg->inputs[i].is_headphone_mic = 1;
				hpmic = false;
			}
		}

		if (hsmic)
			codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
		if (hpmic)
			codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
	}

	/* FIX-UP:
	 * If no line-out is defined but multiple HPs are found,
	 * some of them might be the real line-outs.
	 */
	if (!cfg->line_outs && cfg->hp_outs > 1 &&
	    !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
		i = 0;
		while (i < cfg->hp_outs) {
			/* The real HPs should have the sequence 0x0f */
			if ((hp_out[i].seq & 0x0f) == 0x0f) {
				i++;
				continue;
			}
			/* Move it to the line-out table */
			line_out[cfg->line_outs++] = hp_out[i];
			cfg->hp_outs--;
			memmove(hp_out + i, hp_out + i + 1,
				sizeof(hp_out[0]) * (cfg->hp_outs - i));
		}
		memset(hp_out + cfg->hp_outs, 0,
		       sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
		if (!cfg->hp_outs)
			cfg->line_out_type = AUTO_PIN_HP_OUT;

	}

	/* sort by sequence */
	sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
	sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
			      cfg->speaker_outs);
	sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);

	/*
	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
	 * as a primary output
	 */
	if (!cfg->line_outs &&
	    !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
		if (cfg->speaker_outs) {
			cfg->line_outs = cfg->speaker_outs;
			memcpy(cfg->line_out_pins, cfg->speaker_pins,
			       sizeof(cfg->speaker_pins));
			cfg->speaker_outs = 0;
			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
		} else if (cfg->hp_outs) {
			cfg->line_outs = cfg->hp_outs;
			memcpy(cfg->line_out_pins, cfg->hp_pins,
			       sizeof(cfg->hp_pins));
			cfg->hp_outs = 0;
			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
			cfg->line_out_type = AUTO_PIN_HP_OUT;
		}
	}

	reorder_outputs(cfg->line_outs, cfg->line_out_pins);
	reorder_outputs(cfg->hp_outs, cfg->hp_pins);
	reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);

	/* sort inputs in the order of AUTO_PIN_* type */
	sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
	     compare_input_type, NULL);

	/*
	 * debug prints of the parsed results
	 */
	codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
		   codec->core.chip_name, cfg->line_outs, cfg->line_out_pins[0],
		   cfg->line_out_pins[1], cfg->line_out_pins[2],
		   cfg->line_out_pins[3], cfg->line_out_pins[4],
		   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
		   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
		    "speaker" : "line"));
	codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
		   cfg->speaker_outs, cfg->speaker_pins[0],
		   cfg->speaker_pins[1], cfg->speaker_pins[2],
		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
	codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
		   cfg->hp_outs, cfg->hp_pins[0],
		   cfg->hp_pins[1], cfg->hp_pins[2],
		   cfg->hp_pins[3], cfg->hp_pins[4]);
	codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
	if (cfg->dig_outs)
		codec_info(codec, "   dig-out=0x%x/0x%x\n",
			   cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
	codec_info(codec, "   inputs:\n");
	for (i = 0; i < cfg->num_inputs; i++) {
		codec_info(codec, "     %s=0x%x\n",
			    hda_get_autocfg_input_label(codec, cfg, i),
			    cfg->inputs[i].pin);
	}
	if (cfg->dig_in_pin)
		codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);

	return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);

/**
 * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
 * @def_conf: pin configuration value
 *
 * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
 * default pin configuration value.
 */
int snd_hda_get_input_pin_attr(unsigned int def_conf)
{
	unsigned int loc = get_defcfg_location(def_conf);
	unsigned int conn = get_defcfg_connect(def_conf);
	if (conn == AC_JACK_PORT_NONE)
		return INPUT_PIN_ATTR_UNUSED;
	/* Windows may claim the internal mic to be BOTH, too */
	if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
		return INPUT_PIN_ATTR_INT;
	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
		return INPUT_PIN_ATTR_INT;
	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
		return INPUT_PIN_ATTR_DOCK;
	if (loc == AC_JACK_LOC_REAR)
		return INPUT_PIN_ATTR_REAR;
	if (loc == AC_JACK_LOC_FRONT)
		return INPUT_PIN_ATTR_FRONT;
	return INPUT_PIN_ATTR_NORMAL;
}
EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);

/**
 * hda_get_input_pin_label - Give a label for the given input pin
 * @codec: the HDA codec
 * @item: ping config item to refer
 * @pin: the pin NID
 * @check_location: flag to add the jack location prefix
 *
 * When @check_location is true, the function checks the pin location
 * for mic and line-in pins, and set an appropriate prefix like "Front",
 * "Rear", "Internal".
 */
static const char *hda_get_input_pin_label(struct hda_codec *codec,
					   const struct auto_pin_cfg_item *item,
					   hda_nid_t pin, bool check_location)
{
	unsigned int def_conf;
	static const char * const mic_names[] = {
		"Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
	};
	int attr;

	def_conf = snd_hda_codec_get_pincfg(codec, pin);

	switch (get_defcfg_device(def_conf)) {
	case AC_JACK_MIC_IN:
		if (item && item->is_headset_mic)
			return "Headset Mic";
		if (item && item->is_headphone_mic)
			return "Headphone Mic";
		if (!check_location)
			return "Mic";
		attr = snd_hda_get_input_pin_attr(def_conf);
		if (!attr)
			return "None";
		return mic_names[attr - 1];
	case AC_JACK_LINE_IN:
		if (!check_location)
			return "Line";
		attr = snd_hda_get_input_pin_attr(def_conf);
		if (!attr)
			return "None";
		if (attr == INPUT_PIN_ATTR_DOCK)
			return "Dock Line";
		return "Line";
	case AC_JACK_AUX:
		return "Aux";
	case AC_JACK_CD:
		return "CD";
	case AC_JACK_SPDIF_IN:
		return "SPDIF In";
	case AC_JACK_DIG_OTHER_IN:
		return "Digital In";
	case AC_JACK_HP_OUT:
		return "Headphone Mic";
	default:
		return "Misc";
	}
}

/* Check whether the location prefix needs to be added to the label.
 * If all mic-jacks are in the same location (e.g. rear panel), we don't
 * have to put "Front" prefix to each label.  In such a case, returns false.
 */
static int check_mic_location_need(struct hda_codec *codec,
				   const struct auto_pin_cfg *cfg,
				   int input)
{
	unsigned int defc;
	int i, attr, attr2;

	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
	attr = snd_hda_get_input_pin_attr(defc);
	/* for internal or docking mics, we need locations */
	if (attr <= INPUT_PIN_ATTR_NORMAL)
		return 1;

	attr = 0;
	for (i = 0; i < cfg->num_inputs; i++) {
		defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
		attr2 = snd_hda_get_input_pin_attr(defc);
		if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
			if (attr && attr != attr2)
				return 1; /* different locations found */
			attr = attr2;
		}
	}
	return 0;
}

/**
 * hda_get_autocfg_input_label - Get a label for the given input
 * @codec: the HDA codec
 * @cfg: the parsed pin configuration
 * @input: the input index number
 *
 * Get a label for the given input pin defined by the autocfg item.
 * Unlike hda_get_input_pin_label(), this function checks all inputs
 * defined in autocfg and avoids the redundant mic/line prefix as much as
 * possible.
 */
const char *hda_get_autocfg_input_label(struct hda_codec *codec,
					const struct auto_pin_cfg *cfg,
					int input)
{
	int type = cfg->inputs[input].type;
	int has_multiple_pins = 0;

	if ((input > 0 && cfg->inputs[input - 1].type == type) ||
	    (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
		has_multiple_pins = 1;
	if (has_multiple_pins && type == AUTO_PIN_MIC)
		has_multiple_pins &= check_mic_location_need(codec, cfg, input);
	has_multiple_pins |= codec->force_pin_prefix;
	return hda_get_input_pin_label(codec, &cfg->inputs[input],
				       cfg->inputs[input].pin,
				       has_multiple_pins);
}
EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);

/* return the position of NID in the list, or -1 if not found */
static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
{
	int i;
	for (i = 0; i < nums; i++)
		if (list[i] == nid)
			return i;
	return -1;
}

/* get a unique suffix or an index number */
static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
				    int num_pins, int *indexp)
{
	static const char * const channel_sfx[] = {
		" Front", " Surround", " CLFE", " Side"
	};
	int i;

	i = find_idx_in_nid_list(nid, pins, num_pins);
	if (i < 0)
		return NULL;
	if (num_pins == 1)
		return "";
	if (num_pins > ARRAY_SIZE(channel_sfx)) {
		if (indexp)
			*indexp = i;
		return "";
	}
	return channel_sfx[i];
}

static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
{
	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
	int attr = snd_hda_get_input_pin_attr(def_conf);

	/* check the location */
	switch (attr) {
	case INPUT_PIN_ATTR_DOCK:
		return "Dock ";
	case INPUT_PIN_ATTR_FRONT:
		return "Front ";
	}
	return "";
}

static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
			      const hda_nid_t *pins, int num_pins)
{
	int i, j, idx = 0;

	const char *pfx = check_output_pfx(codec, nid);

	i = find_idx_in_nid_list(nid, pins, num_pins);
	if (i < 0)
		return -1;
	for (j = 0; j < i; j++)
		if (pfx == check_output_pfx(codec, pins[j]))
			idx++;

	return idx;
}

static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
			       const struct auto_pin_cfg *cfg,
			       const char *name, char *label, int maxlen,
			       int *indexp)
{
	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
	int attr = snd_hda_get_input_pin_attr(def_conf);
	const char *pfx, *sfx = "";

	/* handle as a speaker if it's a fixed line-out */
	if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
		name = "Speaker";
	pfx = check_output_pfx(codec, nid);

	if (cfg) {
		/* try to give a unique suffix if needed */
		sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
				       indexp);
		if (!sfx)
			sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
					       indexp);
		if (!sfx) {
			/* don't add channel suffix for Headphone controls */
			int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
						     cfg->hp_outs);
			if (idx >= 0 && indexp)
				*indexp = idx;
			sfx = "";
		}
	}
	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
	return 1;
}

#define is_hdmi_cfg(conf) \
	(get_defcfg_location(conf) == AC_JACK_LOC_HDMI)

/**
 * snd_hda_get_pin_label - Get a label for the given I/O pin
 * @codec: the HDA codec
 * @nid: pin NID
 * @cfg: the parsed pin configuration
 * @label: the string buffer to store
 * @maxlen: the max length of string buffer (including termination)
 * @indexp: the pointer to return the index number (for multiple ctls)
 *
 * Get a label for the given pin.  This function works for both input and
 * output pins.  When @cfg is given as non-NULL, the function tries to get
 * an optimized label using hda_get_autocfg_input_label().
 *
 * This function tries to give a unique label string for the pin as much as
 * possible.  For example, when the multiple line-outs are present, it adds
 * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 * If no unique name with a suffix is available and @indexp is non-NULL, the
 * index number is stored in the pointer.
 */
int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
			  const struct auto_pin_cfg *cfg,
			  char *label, int maxlen, int *indexp)
{
	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
	const char *name = NULL;
	int i;
	bool hdmi;

	if (indexp)
		*indexp = 0;
	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
		return 0;

	switch (get_defcfg_device(def_conf)) {
	case AC_JACK_LINE_OUT:
		return fill_audio_out_name(codec, nid, cfg, "Line Out",
					   label, maxlen, indexp);
	case AC_JACK_SPEAKER:
		return fill_audio_out_name(codec, nid, cfg, "Speaker",
					   label, maxlen, indexp);
	case AC_JACK_HP_OUT:
		return fill_audio_out_name(codec, nid, cfg, "Headphone",
					   label, maxlen, indexp);
	case AC_JACK_SPDIF_OUT:
	case AC_JACK_DIG_OTHER_OUT:
		hdmi = is_hdmi_cfg(def_conf);
		name = hdmi ? "HDMI" : "SPDIF";
		if (cfg && indexp)
			for (i = 0; i < cfg->dig_outs; i++) {
				hda_nid_t pin = cfg->dig_out_pins[i];
				unsigned int c;
				if (pin == nid)
					break;
				c = snd_hda_codec_get_pincfg(codec, pin);
				if (hdmi == is_hdmi_cfg(c))
					(*indexp)++;
			}
		break;
	default:
		if (cfg) {
			for (i = 0; i < cfg->num_inputs; i++) {
				if (cfg->inputs[i].pin != nid)
					continue;
				name = hda_get_autocfg_input_label(codec, cfg, i);
				if (name)
					break;
			}
		}
		if (!name)
			name = hda_get_input_pin_label(codec, NULL, nid, true);
		break;
	}
	if (!name)
		return 0;
	strscpy(label, name, maxlen);
	return 1;
}
EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);

/**
 * snd_hda_add_verbs - Add verbs to the init list
 * @codec: the HDA codec
 * @list: zero-terminated verb list to add
 *
 * Append the given verb list to the execution list.  The verbs will be
 * performed at init and resume time via snd_hda_apply_verbs().
 */
int snd_hda_add_verbs(struct hda_codec *codec,
		      const struct hda_verb *list)
{
	const struct hda_verb **v;
	v = snd_array_new(&codec->verbs);
	if (!v)
		return -ENOMEM;
	*v = list;
	return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_add_verbs);

/**
 * snd_hda_apply_verbs - Execute the init verb lists
 * @codec: the HDA codec
 */
void snd_hda_apply_verbs(struct hda_codec *codec)
{
	const struct hda_verb **v;
	int i;

	snd_array_for_each(&codec->verbs, i, v)
		snd_hda_sequence_write(codec, *v);
}
EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);

/**
 * snd_hda_apply_pincfgs - Set each pin config in the given list
 * @codec: the HDA codec
 * @cfg: NULL-terminated pin config table
 */
void snd_hda_apply_pincfgs(struct hda_codec *codec,
			   const struct hda_pintbl *cfg)
{
	for (; cfg->nid; cfg++)
		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
}
EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);

static void set_pin_targets(struct hda_codec *codec,
			    const struct hda_pintbl *cfg)
{
	for (; cfg->nid; cfg++)
		snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
}

static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
{
	const char *modelname = codec->fixup_name;

	while (id >= 0) {
		const struct hda_fixup *fix = codec->fixup_list + id;

		if (++depth > 10)
			break;
		if (fix->chained_before)
			apply_fixup(codec, fix->chain_id, action, depth + 1);

		switch (fix->type) {
		case HDA_FIXUP_PINS:
			if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
				break;
			codec_dbg(codec, "%s: Apply pincfg for %s\n",
				    codec->core.chip_name, modelname);
			snd_hda_apply_pincfgs(codec, fix->v.pins);
			break;
		case HDA_FIXUP_VERBS:
			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
				break;
			codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
				    codec->core.chip_name, modelname);
			snd_hda_add_verbs(codec, fix->v.verbs);
			break;
		case HDA_FIXUP_FUNC:
			if (!fix->v.func)
				break;
			codec_dbg(codec, "%s: Apply fix-func for %s\n",
				    codec->core.chip_name, modelname);
			fix->v.func(codec, fix, action);
			break;
		case HDA_FIXUP_PINCTLS:
			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
				break;
			codec_dbg(codec, "%s: Apply pinctl for %s\n",
				    codec->core.chip_name, modelname);
			set_pin_targets(codec, fix->v.pins);
			break;
		default:
			codec_err(codec, "%s: Invalid fixup type %d\n",
				   codec->core.chip_name, fix->type);
			break;
		}
		if (!fix->chained || fix->chained_before)
			break;
		id = fix->chain_id;
	}
}

/**
 * snd_hda_apply_fixup - Apply the fixup chain with the given action
 * @codec: the HDA codec
 * @action: fixup action (HDA_FIXUP_ACT_XXX)
 */
void snd_hda_apply_fixup(struct hda_codec *codec, int action)
{
	if (codec->fixup_list)
		apply_fixup(codec, codec->fixup_id, action, 0);
}
EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);

#define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))

static bool pin_config_match(struct hda_codec *codec,
			     const struct hda_pintbl *pins,
			     bool match_all_pins)
{
	const struct hda_pincfg *pin;
	int i;

	snd_array_for_each(&codec->init_pins, i, pin) {
		hda_nid_t nid = pin->nid;
		u32 cfg = pin->cfg;
		const struct hda_pintbl *t_pins;
		int found;

		t_pins = pins;
		found = 0;
		for (; t_pins->nid; t_pins++) {
			if (t_pins->nid == nid) {
				found = 1;
				if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
					break;
				else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
					break;
				else
					return false;
			}
		}
		if (match_all_pins &&
		    !found && (cfg & 0xf0000000) != 0x40000000)
			return false;
	}

	return true;
}

/**
 * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
 * @codec: the HDA codec
 * @pin_quirk: zero-terminated pin quirk list
 * @fixlist: the fixup list
 * @match_all_pins: all valid pins must match with the table entries
 */
void snd_hda_pick_pin_fixup(struct hda_codec *codec,
			    const struct snd_hda_pin_quirk *pin_quirk,
			    const struct hda_fixup *fixlist,
			    bool match_all_pins)
{
	const struct snd_hda_pin_quirk *pq;

	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
		return;

	for (pq = pin_quirk; pq->subvendor; pq++) {
		if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
			continue;
		if (codec->core.vendor_id != pq->codec)
			continue;
		if (pin_config_match(codec, pq->pins, match_all_pins)) {
			codec->fixup_id = pq->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
			codec->fixup_name = pq->name;
			codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
				  codec->core.chip_name, codec->fixup_name);
#endif
			codec->fixup_list = fixlist;
			return;
		}
	}
}
EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);

/**
 * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
 * @codec: the HDA codec
 * @models: NULL-terminated model string list
 * @quirk: zero-terminated PCI/codec SSID quirk list
 * @fixlist: the fixup list
 *
 * Pick up a fixup entry matching with the given model string or SSID.
 * If a fixup was already set beforehand, the function doesn't do anything.
 * When a special model string "nofixup" is given, also no fixup is applied.
 *
 * The function tries to find the matching model name at first, if given.
 * If the model string contains the SSID alias, try to look up with the given
 * alias ID.
 * If nothing matched, try to look up the PCI SSID.
 * If still nothing matched, try to look up the codec SSID.
 */
void snd_hda_pick_fixup(struct hda_codec *codec,
			const struct hda_model_fixup *models,
			const struct snd_pci_quirk *quirk,
			const struct hda_fixup *fixlist)
{
	const struct snd_pci_quirk *q;
	int id = HDA_FIXUP_ID_NOT_SET;
	const char *name = NULL;
	const char *type = NULL;
	int vendor, device;

	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
		return;

	/* when model=nofixup is given, don't pick up any fixups */
	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
		id = HDA_FIXUP_ID_NO_FIXUP;
		fixlist = NULL;
		codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
			  codec->core.chip_name);
		goto found;
	}

	/* match with the model name string */
	if (codec->modelname && models) {
		while (models->name) {
			if (!strcmp(codec->modelname, models->name)) {
				id = models->id;
				name = models->name;
				codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
					  codec->core.chip_name, codec->fixup_name);
				goto found;
			}
			models++;
		}
	}

	if (!quirk)
		return;

	/* match with the SSID alias given by the model string "XXXX:YYYY" */
	if (codec->modelname &&
	    sscanf(codec->modelname, "%04x:%04x", &vendor, &device) == 2) {
		q = snd_pci_quirk_lookup_id(vendor, device, quirk);
		if (q) {
			type = "alias SSID";
			goto found_device;
		}
	}

	/* match with the PCI SSID */
	q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
	if (q) {
		type = "PCI SSID";
		goto found_device;
	}

	/* match with the codec SSID */
	q = snd_pci_quirk_lookup_id(codec->core.subsystem_id >> 16,
				    codec->core.subsystem_id & 0xffff,
				    quirk);
	if (q) {
		type = "codec SSID";
		goto found_device;
	}

	return; /* no matching */

 found_device:
	id = q->value;
#ifdef CONFIG_SND_DEBUG_VERBOSE
	name = q->name;
#endif
	codec_dbg(codec, "%s: picked fixup %s for %s %04x:%04x\n",
		  codec->core.chip_name, name ? name : "",
		  type, q->subvendor, q->subdevice);
 found:
	codec->fixup_id = id;
	codec->fixup_list = fixlist;
	codec->fixup_name = name;
}
EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);