aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/hda/hda_local.h
blob: 98cf3f4f3755a7519b352639252f793f1d35e811 (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
/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * Local helper functions
 *
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the Free
 *  Software Foundation; either version 2 of the License, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 *  more details.
 *
 *  You should have received a copy of the GNU General Public License along with
 *  this program; if not, write to the Free Software Foundation, Inc., 59
 *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __SOUND_HDA_LOCAL_H
#define __SOUND_HDA_LOCAL_H

/* We abuse kcontrol_new.subdev field to pass the NID corresponding to
 * the given new control.  If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
 * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
 * 
 * Note that the subdevice field is cleared again before the real registration
 * in snd_hda_ctl_add(), so that this value won't appear in the outside.
 */
#define HDA_SUBDEV_NID_FLAG	(1U << 31)

/*
 * for mixer controls
 */
#define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)		\
	((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
	HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
/* mono volume with index (index=0,1,...) (channel=1,2) */
#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
	  .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
	  	    SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
	  	    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
	  .info = snd_hda_mixer_amp_volume_info, \
	  .get = snd_hda_mixer_amp_volume_get, \
	  .put = snd_hda_mixer_amp_volume_put, \
	  .tlv = { .c = snd_hda_mixer_amp_tlv },		\
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
/* stereo volume with index */
#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
	HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
/* mono volume */
#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
/* stereo volume */
#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
	HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
/* mono mute switch with index (index=0,1,...) (channel=1,2) */
#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
	  .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
	  .info = snd_hda_mixer_amp_switch_info, \
	  .get = snd_hda_mixer_amp_switch_get, \
	  .put = snd_hda_mixer_amp_switch_put, \
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
/* stereo mute switch with index */
#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
/* mono mute switch */
#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
	HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
/* stereo mute switch */
#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
	HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
#ifdef CONFIG_SND_HDA_INPUT_BEEP
/* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
	  .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
	  .info = snd_hda_mixer_amp_switch_info, \
	  .get = snd_hda_mixer_amp_switch_get, \
	  .put = snd_hda_mixer_amp_switch_put_beep, \
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
#else
/* no digital beep - just the standard one */
#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
#endif /* CONFIG_SND_HDA_INPUT_BEEP */
/* special beep mono mute switch */
#define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
	HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
/* special beep stereo mute switch */
#define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
	HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)

extern const char *snd_hda_pcm_type_name[];

int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
			  unsigned int size, unsigned int __user *tlv);
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
#ifdef CONFIG_SND_HDA_INPUT_BEEP
int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol);
#endif
/* lowlevel accessor with caching; use carefully */
int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
			   int direction, int index);
int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
			     int direction, int idx, int mask, int val);
int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
			     int dir, int idx, int mask, int val);
#ifdef SND_HDA_NEEDS_RESUME
void snd_hda_codec_resume_amp(struct hda_codec *codec);
#endif

void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
			     unsigned int *tlv);
struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
					    const char *name);
int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
			unsigned int *tlv, const char **slaves);
int snd_hda_codec_reset(struct hda_codec *codec);

/* amp value bits */
#define HDA_AMP_MUTE	0x80
#define HDA_AMP_UNMUTE	0x00
#define HDA_AMP_VOLMASK	0x7f

/* mono switch binding multiple inputs */
#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
	  .info = snd_hda_mixer_amp_switch_info, \
	  .get = snd_hda_mixer_bind_switch_get, \
	  .put = snd_hda_mixer_bind_switch_put, \
	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }

/* stereo switch binding multiple inputs */
#define HDA_BIND_MUTE(xname,nid,indices,dir) \
	HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)

int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol);

/* more generic bound controls */
struct hda_ctl_ops {
	snd_kcontrol_info_t *info;
	snd_kcontrol_get_t *get;
	snd_kcontrol_put_t *put;
	snd_kcontrol_tlv_rw_t *tlv;
};

extern struct hda_ctl_ops snd_hda_bind_vol;	/* for bind-volume with TLV */
extern struct hda_ctl_ops snd_hda_bind_sw;	/* for bind-switch */

struct hda_bind_ctls {
	struct hda_ctl_ops *ops;
	unsigned long values[];
};

int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
			   unsigned int size, unsigned int __user *tlv);

#define HDA_BIND_VOL(xname, bindrec) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	  .name = xname, \
	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
			  SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
			  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
	  .info = snd_hda_mixer_bind_ctls_info,\
	  .get =  snd_hda_mixer_bind_ctls_get,\
	  .put = snd_hda_mixer_bind_ctls_put,\
	  .tlv = { .c = snd_hda_mixer_bind_tlv },\
	  .private_value = (long) (bindrec) }
#define HDA_BIND_SW(xname, bindrec) \
	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
	  .name = xname, \
	  .info = snd_hda_mixer_bind_ctls_info,\
	  .get =  snd_hda_mixer_bind_ctls_get,\
	  .put = snd_hda_mixer_bind_ctls_put,\
	  .private_value = (long) (bindrec) }

/*
 * SPDIF I/O
 */
int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);

/*
 * input MUX helper
 */
#define HDA_MAX_NUM_INPUTS	16
struct hda_input_mux_item {
	const char *label;
	unsigned int index;
};
struct hda_input_mux {
	unsigned int num_items;
	struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
};

int snd_hda_input_mux_info(const struct hda_input_mux *imux,
			   struct snd_ctl_elem_info *uinfo);
int snd_hda_input_mux_put(struct hda_codec *codec,
			  const struct hda_input_mux *imux,
			  struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
			  unsigned int *cur_val);

/*
 * Channel mode helper
 */
struct hda_channel_mode {
	int channels;
	const struct hda_verb *sequence;
};

int snd_hda_ch_mode_info(struct hda_codec *codec,
			 struct snd_ctl_elem_info *uinfo,
			 const struct hda_channel_mode *chmode,
			 int num_chmodes);
int snd_hda_ch_mode_get(struct hda_codec *codec,
			struct snd_ctl_elem_value *ucontrol,
			const struct hda_channel_mode *chmode,
			int num_chmodes,
			int max_channels);
int snd_hda_ch_mode_put(struct hda_codec *codec,
			struct snd_ctl_elem_value *ucontrol,
			const struct hda_channel_mode *chmode,
			int num_chmodes,
			int *max_channelsp);

/*
 * Multi-channel / digital-out PCM helper
 */

enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */

struct hda_multi_out {
	int num_dacs;		/* # of DACs, must be more than 1 */
	hda_nid_t *dac_nids;	/* DAC list */
	hda_nid_t hp_nid;	/* optional DAC for HP, 0 when not exists */
	hda_nid_t extra_out_nid[3];	/* optional DACs, 0 when not exists */
	hda_nid_t dig_out_nid;	/* digital out audio widget */
	hda_nid_t *slave_dig_outs;
	int max_channels;	/* currently supported analog channels */
	int dig_out_used;	/* current usage of digital out (HDA_DIG_XXX) */
	int no_share_stream;	/* don't share a stream with multiple pins */
	int share_spdif;	/* share SPDIF pin */
	/* PCM information for both analog and SPDIF DACs */
	unsigned int analog_rates;
	unsigned int analog_maxbps;
	u64 analog_formats;
	unsigned int spdif_rates;
	unsigned int spdif_maxbps;
	u64 spdif_formats;
};

int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
				  struct hda_multi_out *mout);
int snd_hda_multi_out_dig_open(struct hda_codec *codec,
			       struct hda_multi_out *mout);
int snd_hda_multi_out_dig_close(struct hda_codec *codec,
				struct hda_multi_out *mout);
int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
				  struct hda_multi_out *mout,
				  unsigned int stream_tag,
				  unsigned int format,
				  struct snd_pcm_substream *substream);
int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
				  struct hda_multi_out *mout);
int snd_hda_multi_out_analog_open(struct hda_codec *codec,
				  struct hda_multi_out *mout,
				  struct snd_pcm_substream *substream,
				  struct hda_pcm_stream *hinfo);
int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
				     struct hda_multi_out *mout,
				     unsigned int stream_tag,
				     unsigned int format,
				     struct snd_pcm_substream *substream);
int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
				     struct hda_multi_out *mout);

/*
 * generic codec parser
 */
#ifdef CONFIG_SND_HDA_GENERIC
int snd_hda_parse_generic_codec(struct hda_codec *codec);
#else
static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
{
	return -ENODEV;
}
#endif

/*
 * generic proc interface
 */
#ifdef CONFIG_PROC_FS
int snd_hda_codec_proc_new(struct hda_codec *codec);
#else
static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
#endif

#define SND_PRINT_RATES_ADVISED_BUFSIZE	80
void snd_print_pcm_rates(int pcm, char *buf, int buflen);

#define SND_PRINT_BITS_ADVISED_BUFSIZE	16
void snd_print_pcm_bits(int pcm, char *buf, int buflen);

/*
 * Misc
 */
int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
			       const char **modelnames,
			       const struct snd_pci_quirk *pci_list);
int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
                               int num_configs, const char **models,
                               const struct snd_pci_quirk *tbl);
int snd_hda_add_new_ctls(struct hda_codec *codec,
			 struct snd_kcontrol_new *knew);
int snd_hda_add_nids(struct hda_codec *codec, struct snd_kcontrol *kctl,
		     unsigned int index, hda_nid_t *nids, unsigned int size);

/*
 * unsolicited event handler
 */

#define HDA_UNSOL_QUEUE_SIZE	64

struct hda_bus_unsolicited {
	/* ring buffer */
	u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
	unsigned int rp, wp;

	/* workqueue */
	struct work_struct work;
	struct hda_bus *bus;
};

/*
 * Helper for automatic ping configuration
 */

enum {
	AUTO_PIN_MIC,
	AUTO_PIN_FRONT_MIC,
	AUTO_PIN_LINE,
	AUTO_PIN_FRONT_LINE,
	AUTO_PIN_CD,
	AUTO_PIN_AUX,
	AUTO_PIN_LAST
};

enum {
	AUTO_PIN_LINE_OUT,
	AUTO_PIN_SPEAKER_OUT,
	AUTO_PIN_HP_OUT
};

extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];

#define AUTO_CFG_MAX_OUTS	5

struct auto_pin_cfg {
	int line_outs;
	/* sorted in the order of Front/Surr/CLFE/Side */
	hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
	int speaker_outs;
	hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
	int hp_outs;
	int line_out_type;	/* AUTO_PIN_XXX_OUT */
	hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
	hda_nid_t input_pins[AUTO_PIN_LAST];
	int dig_outs;
	hda_nid_t dig_out_pins[2];
	hda_nid_t dig_in_pin;
	hda_nid_t mono_out_pin;
	int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
	int dig_in_type; /* HDA_PCM_TYPE_XXX */
};

#define get_defcfg_connect(cfg) \
	((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
#define get_defcfg_association(cfg) \
	((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
#define get_defcfg_location(cfg) \
	((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
#define get_defcfg_sequence(cfg) \
	(cfg & AC_DEFCFG_SEQUENCE)
#define get_defcfg_device(cfg) \
	((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)

int snd_hda_parse_pin_def_config(struct hda_codec *codec,
				 struct auto_pin_cfg *cfg,
				 hda_nid_t *ignore_nids);

/* amp values */
#define AMP_IN_MUTE(idx)	(0x7080 | ((idx)<<8))
#define AMP_IN_UNMUTE(idx)	(0x7000 | ((idx)<<8))
#define AMP_OUT_MUTE		0xb080
#define AMP_OUT_UNMUTE		0xb000
#define AMP_OUT_ZERO		0xb000
/* pinctl values */
#define PIN_IN			(AC_PINCTL_IN_EN)
#define PIN_VREFHIZ		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
#define PIN_VREF50		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
#define PIN_VREFGRD		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
#define PIN_VREF80		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
#define PIN_VREF100		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
#define PIN_OUT			(AC_PINCTL_OUT_EN)
#define PIN_HP			(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
#define PIN_HP_AMP		(AC_PINCTL_HP_EN)

/*
 * get widget capabilities
 */
static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
{
	if (nid < codec->start_nid ||
	    nid >= codec->start_nid + codec->num_nodes)
		return 0;
	return codec->wcaps[nid - codec->start_nid];
}

/* get the widget type from widget capability bits */
#define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)

static inline unsigned int get_wcaps_channels(u32 wcaps)
{
	unsigned int chans;

	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
	chans = ((chans << 1) | 1) + 1;

	return chans;
}

u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
			      unsigned int caps);
u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);

struct hda_nid_item {
	struct snd_kcontrol *kctl;
	unsigned int index;
	hda_nid_t nid;
};

int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
		    struct snd_kcontrol *kctl);
int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
		    unsigned int index, hda_nid_t nid);
void snd_hda_ctls_clear(struct hda_codec *codec);

/*
 * hwdep interface
 */
#ifdef CONFIG_SND_HDA_HWDEP
int snd_hda_create_hwdep(struct hda_codec *codec);
#else
static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
#endif

#if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
#else
static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
{
	return 0;
}
#endif

#ifdef CONFIG_SND_HDA_RECONFIG
int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
#else
static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
{
	return 0;
}
#endif

#ifdef CONFIG_SND_HDA_RECONFIG
const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
#else
static inline
const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
{
	return NULL;
}

static inline
int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
{
	return -ENOENT;
}
#endif

/*
 * power-management
 */

#ifdef CONFIG_SND_HDA_POWER_SAVE
void snd_hda_schedule_power_save(struct hda_codec *codec);

struct hda_amp_list {
	hda_nid_t nid;
	unsigned char dir;
	unsigned char idx;
};

struct hda_loopback_check {
	struct hda_amp_list *amplist;
	int power_on;
};

int snd_hda_check_amp_list_power(struct hda_codec *codec,
				 struct hda_loopback_check *check,
				 hda_nid_t nid);
#endif /* CONFIG_SND_HDA_POWER_SAVE */

/*
 * AMP control callbacks
 */
/* retrieve parameters from private_value */
#define get_amp_nid_(pv)	((pv) & 0xffff)
#define get_amp_nid(kc)		get_amp_nid_((kc)->private_value)
#define get_amp_channels(kc)	(((kc)->private_value >> 16) & 0x3)
#define get_amp_direction(kc)	(((kc)->private_value >> 18) & 0x1)
#define get_amp_index(kc)	(((kc)->private_value >> 19) & 0xf)
#define get_amp_offset(kc)	(((kc)->private_value >> 23) & 0x3f)

/*
 * CEA Short Audio Descriptor data
 */
struct cea_sad {
	int	channels;
	int	format;		/* (format == 0) indicates invalid SAD */
	int	rates;
	int	sample_bits;	/* for LPCM */
	int	max_bitrate;	/* for AC3...ATRAC */
	int	profile;	/* for WMAPRO */
};

#define ELD_FIXED_BYTES	20
#define ELD_MAX_MNL	16
#define ELD_MAX_SAD	16

/*
 * ELD: EDID Like Data
 */
struct hdmi_eld {
	bool	monitor_present;
	bool	eld_valid;
	int	eld_size;
	int	baseline_len;
	int	eld_ver;
	int	cea_edid_ver;
	char	monitor_name[ELD_MAX_MNL + 1];
	int	manufacture_id;
	int	product_id;
	u64	port_id;
	int	support_hdcp;
	int	support_ai;
	int	conn_type;
	int	aud_synch_delay;
	int	spk_alloc;
	int	sad_count;
	struct cea_sad sad[ELD_MAX_SAD];
#ifdef CONFIG_PROC_FS
	struct snd_info_entry *proc_entry;
#endif
};

int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
void snd_hdmi_show_eld(struct hdmi_eld *eld);

#ifdef CONFIG_PROC_FS
int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
			 int index);
void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
#else
static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
				       struct hdmi_eld *eld,
				       int index)
{
	return 0;
}
static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
					 struct hdmi_eld *eld)
{
}
#endif

#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);

#endif /* __SOUND_HDA_LOCAL_H */