hda_generic.c 141 KB
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * Generic widget tree parser
 *
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 *
 *  This driver 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 driver 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
 */

#include <linux/init.h>
#include <linux/slab.h>
25
#include <linux/export.h>
26
#include <linux/sort.h>
27
#include <linux/delay.h>
28
29
#include <linux/ctype.h>
#include <linux/string.h>
30
#include <linux/bitops.h>
Linus Torvalds's avatar
Linus Torvalds committed
31
#include <sound/core.h>
32
#include <sound/jack.h>
Linus Torvalds's avatar
Linus Torvalds committed
33
34
#include "hda_codec.h"
#include "hda_local.h"
35
36
#include "hda_auto_parser.h"
#include "hda_jack.h"
37
#include "hda_beep.h"
38
#include "hda_generic.h"
Linus Torvalds's avatar
Linus Torvalds committed
39

40

41
42
43
44
45
/* initialize hda_gen_spec struct */
int snd_hda_gen_spec_init(struct hda_gen_spec *spec)
{
	snd_array_init(&spec->kctls, sizeof(struct snd_kcontrol_new), 32);
	snd_array_init(&spec->paths, sizeof(struct nid_path), 8);
46
	snd_array_init(&spec->loopback_list, sizeof(struct hda_amp_list), 8);
47
	mutex_init(&spec->pcm_mutex);
48
49
50
	return 0;
}
EXPORT_SYMBOL_HDA(snd_hda_gen_spec_init);
Linus Torvalds's avatar
Linus Torvalds committed
51

52
53
54
struct snd_kcontrol_new *
snd_hda_gen_add_kctl(struct hda_gen_spec *spec, const char *name,
		     const struct snd_kcontrol_new *temp)
55
56
57
58
59
60
61
62
63
64
65
66
67
{
	struct snd_kcontrol_new *knew = snd_array_new(&spec->kctls);
	if (!knew)
		return NULL;
	*knew = *temp;
	if (name)
		knew->name = kstrdup(name, GFP_KERNEL);
	else if (knew->name)
		knew->name = kstrdup(knew->name, GFP_KERNEL);
	if (!knew->name)
		return NULL;
	return knew;
}
68
EXPORT_SYMBOL_HDA(snd_hda_gen_add_kctl);
Linus Torvalds's avatar
Linus Torvalds committed
69

70
71
72
73
74
75
76
77
78
79
static void free_kctls(struct hda_gen_spec *spec)
{
	if (spec->kctls.list) {
		struct snd_kcontrol_new *kctl = spec->kctls.list;
		int i;
		for (i = 0; i < spec->kctls.used; i++)
			kfree(kctl[i].name);
	}
	snd_array_free(&spec->kctls);
}
Linus Torvalds's avatar
Linus Torvalds committed
80

81
82
83
84
85
86
void snd_hda_gen_spec_free(struct hda_gen_spec *spec)
{
	if (!spec)
		return;
	free_kctls(spec);
	snd_array_free(&spec->paths);
87
	snd_array_free(&spec->loopback_list);
88
89
}
EXPORT_SYMBOL_HDA(snd_hda_gen_spec_free);
Linus Torvalds's avatar
Linus Torvalds committed
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
/*
 * store user hints
 */
static void parse_user_hints(struct hda_codec *codec)
{
	struct hda_gen_spec *spec = codec->spec;
	int val;

	val = snd_hda_get_bool_hint(codec, "jack_detect");
	if (val >= 0)
		codec->no_jack_detect = !val;
	val = snd_hda_get_bool_hint(codec, "inv_jack_detect");
	if (val >= 0)
		codec->inv_jack_detect = !!val;
	val = snd_hda_get_bool_hint(codec, "trigger_sense");
	if (val >= 0)
		codec->no_trigger_sense = !val;
	val = snd_hda_get_bool_hint(codec, "inv_eapd");
	if (val >= 0)
		codec->inv_eapd = !!val;
	val = snd_hda_get_bool_hint(codec, "pcm_format_first");
	if (val >= 0)
		codec->pcm_format_first = !!val;
	val = snd_hda_get_bool_hint(codec, "sticky_stream");
	if (val >= 0)
		codec->no_sticky_stream = !val;
	val = snd_hda_get_bool_hint(codec, "spdif_status_reset");
	if (val >= 0)
		codec->spdif_status_reset = !!val;
	val = snd_hda_get_bool_hint(codec, "pin_amp_workaround");
	if (val >= 0)
		codec->pin_amp_workaround = !!val;
	val = snd_hda_get_bool_hint(codec, "single_adc_amp");
	if (val >= 0)
		codec->single_adc_amp = !!val;

127
128
129
	val = snd_hda_get_bool_hint(codec, "auto_mute");
	if (val >= 0)
		spec->suppress_auto_mute = !val;
130
131
132
133
134
135
	val = snd_hda_get_bool_hint(codec, "auto_mic");
	if (val >= 0)
		spec->suppress_auto_mic = !val;
	val = snd_hda_get_bool_hint(codec, "line_in_auto_switch");
	if (val >= 0)
		spec->line_in_auto_switch = !!val;
136
137
138
	val = snd_hda_get_bool_hint(codec, "auto_mute_via_amp");
	if (val >= 0)
		spec->auto_mute_via_amp = !!val;
139
140
141
142
143
144
	val = snd_hda_get_bool_hint(codec, "need_dac_fix");
	if (val >= 0)
		spec->need_dac_fix = !!val;
	val = snd_hda_get_bool_hint(codec, "primary_hp");
	if (val >= 0)
		spec->no_primary_hp = !val;
145
146
147
	val = snd_hda_get_bool_hint(codec, "multi_io");
	if (val >= 0)
		spec->no_multi_io = !val;
148
149
150
151
152
153
154
155
156
157
158
159
	val = snd_hda_get_bool_hint(codec, "multi_cap_vol");
	if (val >= 0)
		spec->multi_cap_vol = !!val;
	val = snd_hda_get_bool_hint(codec, "inv_dmic_split");
	if (val >= 0)
		spec->inv_dmic_split = !!val;
	val = snd_hda_get_bool_hint(codec, "indep_hp");
	if (val >= 0)
		spec->indep_hp = !!val;
	val = snd_hda_get_bool_hint(codec, "add_stereo_mix_input");
	if (val >= 0)
		spec->add_stereo_mix_input = !!val;
160
	/* the following two are just for compatibility */
161
162
	val = snd_hda_get_bool_hint(codec, "add_out_jack_modes");
	if (val >= 0)
163
		spec->add_jack_modes = !!val;
164
165
	val = snd_hda_get_bool_hint(codec, "add_in_jack_modes");
	if (val >= 0)
166
167
168
169
		spec->add_jack_modes = !!val;
	val = snd_hda_get_bool_hint(codec, "add_jack_modes");
	if (val >= 0)
		spec->add_jack_modes = !!val;
170
171
172
	val = snd_hda_get_bool_hint(codec, "power_down_unused");
	if (val >= 0)
		spec->power_down_unused = !!val;
173
174
175
176
177
178
	val = snd_hda_get_bool_hint(codec, "add_hp_mic");
	if (val >= 0)
		spec->hp_mic = !!val;
	val = snd_hda_get_bool_hint(codec, "hp_mic_detect");
	if (val >= 0)
		spec->suppress_hp_mic_detect = !val;
179
180
181
182
183

	if (!snd_hda_get_int_hint(codec, "mixer_nid", &val))
		spec->mixer_nid = val;
}

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
/*
 * pin control value accesses
 */

#define update_pin_ctl(codec, pin, val) \
	snd_hda_codec_update_cache(codec, pin, 0, \
				   AC_VERB_SET_PIN_WIDGET_CONTROL, val)

/* restore the pinctl based on the cached value */
static inline void restore_pin_ctl(struct hda_codec *codec, hda_nid_t pin)
{
	update_pin_ctl(codec, pin, snd_hda_codec_get_pin_target(codec, pin));
}

/* set the pinctl target value and write it if requested */
static void set_pin_target(struct hda_codec *codec, hda_nid_t pin,
			   unsigned int val, bool do_write)
{
	if (!pin)
		return;
	val = snd_hda_correct_pin_ctl(codec, pin, val);
	snd_hda_codec_set_pin_target(codec, pin, val);
	if (do_write)
		update_pin_ctl(codec, pin, val);
}

/* set pinctl target values for all given pins */
static void set_pin_targets(struct hda_codec *codec, int num_pins,
			    hda_nid_t *pins, unsigned int val)
{
	int i;
	for (i = 0; i < num_pins; i++)
		set_pin_target(codec, pins[i], val, false);
}

Linus Torvalds's avatar
Linus Torvalds committed
219
/*
220
 * parsing paths
Linus Torvalds's avatar
Linus Torvalds committed
221
222
 */

223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/* 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;
}

/* return true if the given NID is contained in the path */
static bool is_nid_contained(struct nid_path *path, hda_nid_t nid)
{
	return find_idx_in_nid_list(nid, path->path, path->depth) >= 0;
}

239
240
static struct nid_path *get_nid_path(struct hda_codec *codec,
				     hda_nid_t from_nid, hda_nid_t to_nid,
241
				     int anchor_nid)
Linus Torvalds's avatar
Linus Torvalds committed
242
{
243
244
	struct hda_gen_spec *spec = codec->spec;
	int i;
Linus Torvalds's avatar
Linus Torvalds committed
245

246
247
248
249
250
	for (i = 0; i < spec->paths.used; i++) {
		struct nid_path *path = snd_array_elem(&spec->paths, i);
		if (path->depth <= 0)
			continue;
		if ((!from_nid || path->path[0] == from_nid) &&
251
		    (!to_nid || path->path[path->depth - 1] == to_nid)) {
252
253
254
			if (!anchor_nid ||
			    (anchor_nid > 0 && is_nid_contained(path, anchor_nid)) ||
			    (anchor_nid < 0 && !is_nid_contained(path, anchor_nid)))
255
256
				return path;
		}
Linus Torvalds's avatar
Linus Torvalds committed
257
	}
258
	return NULL;
Linus Torvalds's avatar
Linus Torvalds committed
259
}
260
261
262
263
264
265
266

/* get the path between the given NIDs;
 * passing 0 to either @pin or @dac behaves as a wildcard
 */
struct nid_path *snd_hda_get_nid_path(struct hda_codec *codec,
				      hda_nid_t from_nid, hda_nid_t to_nid)
{
267
	return get_nid_path(codec, from_nid, to_nid, 0);
268
}
269
EXPORT_SYMBOL_HDA(snd_hda_get_nid_path);
Linus Torvalds's avatar
Linus Torvalds committed
270

271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
/* get the index number corresponding to the path instance;
 * the index starts from 1, for easier checking the invalid value
 */
int snd_hda_get_path_idx(struct hda_codec *codec, struct nid_path *path)
{
	struct hda_gen_spec *spec = codec->spec;
	struct nid_path *array = spec->paths.list;
	ssize_t idx;

	if (!spec->paths.used)
		return 0;
	idx = path - array;
	if (idx < 0 || idx >= spec->paths.used)
		return 0;
	return idx + 1;
}
287
EXPORT_SYMBOL_HDA(snd_hda_get_path_idx);
288
289
290
291
292
293
294
295
296
297

/* get the path instance corresponding to the given index number */
struct nid_path *snd_hda_get_path_from_idx(struct hda_codec *codec, int idx)
{
	struct hda_gen_spec *spec = codec->spec;

	if (idx <= 0 || idx > spec->paths.used)
		return NULL;
	return snd_array_elem(&spec->paths, idx - 1);
}
298
EXPORT_SYMBOL_HDA(snd_hda_get_path_from_idx);
299

300
301
/* check whether the given DAC is already found in any existing paths */
static bool is_dac_already_used(struct hda_codec *codec, hda_nid_t nid)
Linus Torvalds's avatar
Linus Torvalds committed
302
{
303
304
	struct hda_gen_spec *spec = codec->spec;
	int i;
Linus Torvalds's avatar
Linus Torvalds committed
305

306
307
308
309
	for (i = 0; i < spec->paths.used; i++) {
		struct nid_path *path = snd_array_elem(&spec->paths, i);
		if (path->path[0] == nid)
			return true;
310
	}
311
312
	return false;
}
Linus Torvalds's avatar
Linus Torvalds committed
313

314
315
316
317
318
319
320
321
/* check whether the given two widgets can be connected */
static bool is_reachable_path(struct hda_codec *codec,
			      hda_nid_t from_nid, hda_nid_t to_nid)
{
	if (!from_nid || !to_nid)
		return false;
	return snd_hda_get_conn_index(codec, to_nid, from_nid, true) >= 0;
}
Linus Torvalds's avatar
Linus Torvalds committed
322

323
324
325
326
327
328
329
330
331
332
333
334
335
336
/* nid, dir and idx */
#define AMP_VAL_COMPARE_MASK	(0xffff | (1U << 18) | (0x0f << 19))

/* check whether the given ctl is already assigned in any path elements */
static bool is_ctl_used(struct hda_codec *codec, unsigned int val, int type)
{
	struct hda_gen_spec *spec = codec->spec;
	int i;

	val &= AMP_VAL_COMPARE_MASK;
	for (i = 0; i < spec->paths.used; i++) {
		struct nid_path *path = snd_array_elem(&spec->paths, i);
		if ((path->ctls[type] & AMP_VAL_COMPARE_MASK) == val)
			return true;
Linus Torvalds's avatar
Linus Torvalds committed
337
	}
338
	return false;
Linus Torvalds's avatar
Linus Torvalds committed
339
340
}

341
342
/* check whether a control with the given (nid, dir, idx) was assigned */
static bool is_ctl_associated(struct hda_codec *codec, hda_nid_t nid,
343
			      int dir, int idx, int type)
Linus Torvalds's avatar
Linus Torvalds committed
344
{
345
	unsigned int val = HDA_COMPOSE_AMP_VAL(nid, 3, idx, dir);
346
	return is_ctl_used(codec, val, type);
347
}
Linus Torvalds's avatar
Linus Torvalds committed
348

349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
static void print_nid_path(const char *pfx, struct nid_path *path)
{
	char buf[40];
	int i;


	buf[0] = 0;
	for (i = 0; i < path->depth; i++) {
		char tmp[4];
		sprintf(tmp, ":%02x", path->path[i]);
		strlcat(buf, tmp, sizeof(buf));
	}
	snd_printdd("%s path: depth=%d %s\n", pfx, path->depth, buf);
}

364
365
366
/* called recursively */
static bool __parse_nid_path(struct hda_codec *codec,
			     hda_nid_t from_nid, hda_nid_t to_nid,
367
368
			     int anchor_nid, struct nid_path *path,
			     int depth)
369
{
370
	const hda_nid_t *conn;
371
372
	int i, nums;

373
374
375
376
	if (to_nid == anchor_nid)
		anchor_nid = 0; /* anchor passed */
	else if (to_nid == (hda_nid_t)(-anchor_nid))
		return false; /* hit the exclusive nid */
Linus Torvalds's avatar
Linus Torvalds committed
377

378
	nums = snd_hda_get_conn_list(codec, to_nid, &conn);
379
380
381
382
383
384
385
386
387
388
	for (i = 0; i < nums; i++) {
		if (conn[i] != from_nid) {
			/* special case: when from_nid is 0,
			 * try to find an empty DAC
			 */
			if (from_nid ||
			    get_wcaps_type(get_wcaps(codec, conn[i])) != AC_WID_AUD_OUT ||
			    is_dac_already_used(codec, conn[i]))
				continue;
		}
389
390
		/* anchor is not requested or already passed? */
		if (anchor_nid <= 0)
391
			goto found;
Linus Torvalds's avatar
Linus Torvalds committed
392
	}
393
394
395
396
397
398
399
400
401
	if (depth >= MAX_NID_PATH_DEPTH)
		return false;
	for (i = 0; i < nums; i++) {
		unsigned int type;
		type = get_wcaps_type(get_wcaps(codec, conn[i]));
		if (type == AC_WID_AUD_OUT || type == AC_WID_AUD_IN ||
		    type == AC_WID_PIN)
			continue;
		if (__parse_nid_path(codec, from_nid, conn[i],
402
				     anchor_nid, path, depth + 1))
403
404
405
406
407
408
409
410
411
412
413
			goto found;
	}
	return false;

 found:
	path->path[path->depth] = conn[i];
	path->idx[path->depth + 1] = i;
	if (nums > 1 && get_wcaps_type(get_wcaps(codec, to_nid)) != AC_WID_AUD_MIX)
		path->multi[path->depth + 1] = 1;
	path->depth++;
	return true;
Linus Torvalds's avatar
Linus Torvalds committed
414
415
}

416
417
/* parse the widget path from the given nid to the target nid;
 * when @from_nid is 0, try to find an empty DAC;
418
419
420
421
422
 * when @anchor_nid is set to a positive value, only paths through the widget
 * with the given value are evaluated.
 * when @anchor_nid is set to a negative value, paths through the widget
 * with the negative of given value are excluded, only other paths are chosen.
 * when @anchor_nid is zero, no special handling about path selection.
Linus Torvalds's avatar
Linus Torvalds committed
423
 */
424
bool snd_hda_parse_nid_path(struct hda_codec *codec, hda_nid_t from_nid,
425
			    hda_nid_t to_nid, int anchor_nid,
426
			    struct nid_path *path)
Linus Torvalds's avatar
Linus Torvalds committed
427
{
428
	if (__parse_nid_path(codec, from_nid, to_nid, anchor_nid, path, 1)) {
429
430
431
		path->path[path->depth] = to_nid;
		path->depth++;
		return true;
Linus Torvalds's avatar
Linus Torvalds committed
432
	}
433
	return false;
Linus Torvalds's avatar
Linus Torvalds committed
434
}
435
EXPORT_SYMBOL_HDA(snd_hda_parse_nid_path);
Linus Torvalds's avatar
Linus Torvalds committed
436
437

/*
438
439
 * parse the path between the given NIDs and add to the path list.
 * if no valid path is found, return NULL
Linus Torvalds's avatar
Linus Torvalds committed
440
 */
441
442
struct nid_path *
snd_hda_add_new_path(struct hda_codec *codec, hda_nid_t from_nid,
443
		     hda_nid_t to_nid, int anchor_nid)
444
445
446
447
448
449
450
{
	struct hda_gen_spec *spec = codec->spec;
	struct nid_path *path;

	if (from_nid && to_nid && !is_reachable_path(codec, from_nid, to_nid))
		return NULL;

451
	/* check whether the path has been already added */
452
	path = get_nid_path(codec, from_nid, to_nid, anchor_nid);
453
454
455
	if (path)
		return path;

456
457
458
459
	path = snd_array_new(&spec->paths);
	if (!path)
		return NULL;
	memset(path, 0, sizeof(*path));
460
	if (snd_hda_parse_nid_path(codec, from_nid, to_nid, anchor_nid, path))
461
462
463
464
		return path;
	/* push back */
	spec->paths.used--;
	return NULL;
Linus Torvalds's avatar
Linus Torvalds committed
465
}
466
EXPORT_SYMBOL_HDA(snd_hda_add_new_path);
Linus Torvalds's avatar
Linus Torvalds committed
467

468
469
470
471
472
473
474
475
476
/* clear the given path as invalid so that it won't be picked up later */
static void invalidate_nid_path(struct hda_codec *codec, int idx)
{
	struct nid_path *path = snd_hda_get_path_from_idx(codec, idx);
	if (!path)
		return;
	memset(path, 0, sizeof(*path));
}

477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
/* look for an empty DAC slot */
static hda_nid_t look_for_dac(struct hda_codec *codec, hda_nid_t pin,
			      bool is_digital)
{
	struct hda_gen_spec *spec = codec->spec;
	bool cap_digital;
	int i;

	for (i = 0; i < spec->num_all_dacs; i++) {
		hda_nid_t nid = spec->all_dacs[i];
		if (!nid || is_dac_already_used(codec, nid))
			continue;
		cap_digital = !!(get_wcaps(codec, nid) & AC_WCAP_DIGITAL);
		if (is_digital != cap_digital)
			continue;
		if (is_reachable_path(codec, nid, pin))
			return nid;
	}
495
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
496
497
}

498
499
/* replace the channels in the composed amp value with the given number */
static unsigned int amp_val_replace_channels(unsigned int val, unsigned int chs)
Linus Torvalds's avatar
Linus Torvalds committed
500
{
501
502
503
	val &= ~(0x3U << 16);
	val |= chs << 16;
	return val;
Linus Torvalds's avatar
Linus Torvalds committed
504
505
}

506
507
508
/* check whether the widget has the given amp capability for the direction */
static bool check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
			   int dir, unsigned int bits)
Linus Torvalds's avatar
Linus Torvalds committed
509
{
510
511
512
513
514
515
516
517
	if (!nid)
		return false;
	if (get_wcaps(codec, nid) & (1 << (dir + 1)))
		if (query_amp_caps(codec, nid, dir) & bits)
			return true;
	return false;
}

518
519
520
521
522
523
524
525
526
static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1,
			  hda_nid_t nid2, int dir)
{
	if (!(get_wcaps(codec, nid1) & (1 << (dir + 1))))
		return !(get_wcaps(codec, nid2) & (1 << (dir + 1)));
	return (query_amp_caps(codec, nid1, dir) ==
		query_amp_caps(codec, nid2, dir));
}

527
#define nid_has_mute(codec, nid, dir) \
528
	check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
#define nid_has_volume(codec, nid, dir) \
	check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)

/* look for a widget suitable for assigning a mute switch in the path */
static hda_nid_t look_for_out_mute_nid(struct hda_codec *codec,
				       struct nid_path *path)
{
	int i;

	for (i = path->depth - 1; i >= 0; i--) {
		if (nid_has_mute(codec, path->path[i], HDA_OUTPUT))
			return path->path[i];
		if (i != path->depth - 1 && i != 0 &&
		    nid_has_mute(codec, path->path[i], HDA_INPUT))
			return path->path[i];
	}
	return 0;
}

/* look for a widget suitable for assigning a volume ctl in the path */
static hda_nid_t look_for_out_vol_nid(struct hda_codec *codec,
				      struct nid_path *path)
{
552
	struct hda_gen_spec *spec = codec->spec;
553
	int i;
Linus Torvalds's avatar
Linus Torvalds committed
554

555
	for (i = path->depth - 1; i >= 0; i--) {
556
557
558
559
560
		hda_nid_t nid = path->path[i];
		if ((spec->out_vol_mask >> nid) & 1)
			continue;
		if (nid_has_volume(codec, nid, HDA_OUTPUT))
			return nid;
Linus Torvalds's avatar
Linus Torvalds committed
561
	}
562
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
563
564
565
}

/*
566
 * path activation / deactivation
Linus Torvalds's avatar
Linus Torvalds committed
567
 */
568
569
570

/* can have the amp-in capability? */
static bool has_amp_in(struct hda_codec *codec, struct nid_path *path, int idx)
Linus Torvalds's avatar
Linus Torvalds committed
571
{
572
573
574
575
576
577
578
579
580
581
	hda_nid_t nid = path->path[idx];
	unsigned int caps = get_wcaps(codec, nid);
	unsigned int type = get_wcaps_type(caps);

	if (!(caps & AC_WCAP_IN_AMP))
		return false;
	if (type == AC_WID_PIN && idx > 0) /* only for input pins */
		return false;
	return true;
}
Linus Torvalds's avatar
Linus Torvalds committed
582

583
584
585
586
587
588
589
590
591
592
593
594
595
/* can have the amp-out capability? */
static bool has_amp_out(struct hda_codec *codec, struct nid_path *path, int idx)
{
	hda_nid_t nid = path->path[idx];
	unsigned int caps = get_wcaps(codec, nid);
	unsigned int type = get_wcaps_type(caps);

	if (!(caps & AC_WCAP_OUT_AMP))
		return false;
	if (type == AC_WID_PIN && !idx) /* only for output pins */
		return false;
	return true;
}
Linus Torvalds's avatar
Linus Torvalds committed
596

597
598
/* check whether the given (nid,dir,idx) is active */
static bool is_active_nid(struct hda_codec *codec, hda_nid_t nid,
599
			  unsigned int dir, unsigned int idx)
600
601
602
{
	struct hda_gen_spec *spec = codec->spec;
	int i, n;
Linus Torvalds's avatar
Linus Torvalds committed
603

604
605
606
	for (n = 0; n < spec->paths.used; n++) {
		struct nid_path *path = snd_array_elem(&spec->paths, n);
		if (!path->active)
Linus Torvalds's avatar
Linus Torvalds committed
607
			continue;
608
609
610
611
612
		for (i = 0; i < path->depth; i++) {
			if (path->path[i] == nid) {
				if (dir == HDA_OUTPUT || path->idx[i] == idx)
					return true;
				break;
Linus Torvalds's avatar
Linus Torvalds committed
613
614
615
			}
		}
	}
616
	return false;
Linus Torvalds's avatar
Linus Torvalds committed
617
618
}

619
620
621
622
/* check whether the NID is referred by any active paths */
#define is_active_nid_for_any(codec, nid) \
	is_active_nid(codec, nid, HDA_OUTPUT, 0)

623
624
/* get the default amp value for the target state */
static int get_amp_val_to_activate(struct hda_codec *codec, hda_nid_t nid,
625
				   int dir, unsigned int caps, bool enable)
Linus Torvalds's avatar
Linus Torvalds committed
626
{
627
628
629
630
631
632
	unsigned int val = 0;

	if (caps & AC_AMPCAP_NUM_STEPS) {
		/* set to 0dB */
		if (enable)
			val = (caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT;
Linus Torvalds's avatar
Linus Torvalds committed
633
	}
634
	if (caps & (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) {
635
636
637
638
		if (!enable)
			val |= HDA_AMP_MUTE;
	}
	return val;
Linus Torvalds's avatar
Linus Torvalds committed
639
640
}

641
642
643
/* initialize the amp value (only at the first time) */
static void init_amp(struct hda_codec *codec, hda_nid_t nid, int dir, int idx)
{
644
645
	unsigned int caps = query_amp_caps(codec, nid, dir);
	int val = get_amp_val_to_activate(codec, nid, dir, caps, false);
646
647
	snd_hda_codec_amp_init_stereo(codec, nid, dir, idx, 0xff, val);
}
Linus Torvalds's avatar
Linus Torvalds committed
648

649
650
651
652
653
654
655
656
657
/* calculate amp value mask we can modify;
 * if the given amp is controlled by mixers, don't touch it
 */
static unsigned int get_amp_mask_to_modify(struct hda_codec *codec,
					   hda_nid_t nid, int dir, int idx,
					   unsigned int caps)
{
	unsigned int mask = 0xff;

658
	if (caps & (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) {
659
660
661
662
663
664
665
666
667
668
669
		if (is_ctl_associated(codec, nid, dir, idx, NID_PATH_MUTE_CTL))
			mask &= ~0x80;
	}
	if (caps & AC_AMPCAP_NUM_STEPS) {
		if (is_ctl_associated(codec, nid, dir, idx, NID_PATH_VOL_CTL) ||
		    is_ctl_associated(codec, nid, dir, idx, NID_PATH_BOOST_CTL))
			mask &= ~0x7f;
	}
	return mask;
}

670
static void activate_amp(struct hda_codec *codec, hda_nid_t nid, int dir,
671
			 int idx, int idx_to_check, bool enable)
672
{
673
674
675
	unsigned int caps;
	unsigned int mask, val;

676
	if (!enable && is_active_nid(codec, nid, dir, idx_to_check))
677
678
679
680
681
682
		return;

	caps = query_amp_caps(codec, nid, dir);
	val = get_amp_val_to_activate(codec, nid, dir, caps, enable);
	mask = get_amp_mask_to_modify(codec, nid, dir, idx_to_check, caps);
	if (!mask)
683
		return;
684
685
686

	val &= mask;
	snd_hda_codec_amp_stereo(codec, nid, dir, idx, mask, val);
687
688
689
690
691
692
693
}

static void activate_amp_out(struct hda_codec *codec, struct nid_path *path,
			     int i, bool enable)
{
	hda_nid_t nid = path->path[i];
	init_amp(codec, nid, HDA_OUTPUT, 0);
694
	activate_amp(codec, nid, HDA_OUTPUT, 0, 0, enable);
695
696
697
698
}

static void activate_amp_in(struct hda_codec *codec, struct nid_path *path,
			    int i, bool enable, bool add_aamix)
Linus Torvalds's avatar
Linus Torvalds committed
699
{
700
	struct hda_gen_spec *spec = codec->spec;
701
	const hda_nid_t *conn;
702
703
704
705
	int n, nums, idx;
	int type;
	hda_nid_t nid = path->path[i];

706
	nums = snd_hda_get_conn_list(codec, nid, &conn);
707
708
709
710
711
712
713
714
715
716
717
718
719
	type = get_wcaps_type(get_wcaps(codec, nid));
	if (type == AC_WID_PIN ||
	    (type == AC_WID_AUD_IN && codec->single_adc_amp)) {
		nums = 1;
		idx = 0;
	} else
		idx = path->idx[i];

	for (n = 0; n < nums; n++)
		init_amp(codec, nid, HDA_INPUT, n);

	/* here is a little bit tricky in comparison with activate_amp_out();
	 * when aa-mixer is available, we need to enable the path as well
Linus Torvalds's avatar
Linus Torvalds committed
720
	 */
721
	for (n = 0; n < nums; n++) {
722
		if (n != idx && (!add_aamix || conn[n] != spec->mixer_merge_nid))
723
			continue;
724
		activate_amp(codec, nid, HDA_INPUT, n, idx, enable);
Linus Torvalds's avatar
Linus Torvalds committed
725
	}
726
}
Linus Torvalds's avatar
Linus Torvalds committed
727

728
729
730
731
732
733
/* activate or deactivate the given path
 * if @add_aamix is set, enable the input from aa-mix NID as well (if any)
 */
void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path,
			   bool enable, bool add_aamix)
{
734
	struct hda_gen_spec *spec = codec->spec;
735
736
737
738
739
740
	int i;

	if (!enable)
		path->active = false;

	for (i = path->depth - 1; i >= 0; i--) {
741
742
743
744
745
746
747
748
		hda_nid_t nid = path->path[i];
		if (enable && spec->power_down_unused) {
			/* make sure the widget is powered up */
			if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0))
				snd_hda_codec_write(codec, nid, 0,
						    AC_VERB_SET_POWER_STATE,
						    AC_PWRST_D0);
		}
749
		if (enable && path->multi[i])
750
			snd_hda_codec_write_cache(codec, nid, 0,
751
752
753
754
755
756
					    AC_VERB_SET_CONNECT_SEL,
					    path->idx[i]);
		if (has_amp_in(codec, path, i))
			activate_amp_in(codec, path, i, enable, add_aamix);
		if (has_amp_out(codec, path, i))
			activate_amp_out(codec, path, i, enable);
Linus Torvalds's avatar
Linus Torvalds committed
757
758
	}

759
760
	if (enable)
		path->active = true;
Linus Torvalds's avatar
Linus Torvalds committed
761
}
762
763
EXPORT_SYMBOL_HDA(snd_hda_activate_path);

764
765
766
767
/* if the given path is inactive, put widgets into D3 (only if suitable) */
static void path_power_down_sync(struct hda_codec *codec, struct nid_path *path)
{
	struct hda_gen_spec *spec = codec->spec;
768
	bool changed = false;
769
770
771
772
773
774
775
	int i;

	if (!spec->power_down_unused || path->active)
		return;

	for (i = 0; i < path->depth; i++) {
		hda_nid_t nid = path->path[i];
776
777
		if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D3) &&
		    !is_active_nid_for_any(codec, nid)) {
778
779
780
781
782
783
784
785
786
787
788
789
790
791
			snd_hda_codec_write(codec, nid, 0,
					    AC_VERB_SET_POWER_STATE,
					    AC_PWRST_D3);
			changed = true;
		}
	}

	if (changed) {
		msleep(10);
		snd_hda_codec_read(codec, path->path[0], 0,
				   AC_VERB_GET_POWER_STATE, 0);
	}
}

792
793
794
795
796
797
798
/* turn on/off EAPD on the given pin */
static void set_pin_eapd(struct hda_codec *codec, hda_nid_t pin, bool enable)
{
	struct hda_gen_spec *spec = codec->spec;
	if (spec->own_eapd_ctl ||
	    !(snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD))
		return;
799
800
	if (spec->keep_eapd_on && !enable)
		return;
801
802
	if (codec->inv_eapd)
		enable = !enable;
803
804
805
806
807
	snd_hda_codec_update_cache(codec, pin, 0,
				   AC_VERB_SET_EAPD_BTLENABLE,
				   enable ? 0x02 : 0x00);
}

808
809
810
811
812
813
814
815
/* re-initialize the path specified by the given path index */
static void resume_path_from_idx(struct hda_codec *codec, int path_idx)
{
	struct nid_path *path = snd_hda_get_path_from_idx(codec, path_idx);
	if (path)
		snd_hda_activate_path(codec, path, path->active, false);
}

Linus Torvalds's avatar
Linus Torvalds committed
816
817

/*
818
 * Helper functions for creating mixer ctl elements
Linus Torvalds's avatar
Linus Torvalds committed
819
820
 */

821
822
static int hda_gen_mixer_mute_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol);
823
824
static int hda_gen_bind_mute_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);
825

826
827
828
829
830
831
832
enum {
	HDA_CTL_WIDGET_VOL,
	HDA_CTL_WIDGET_MUTE,
	HDA_CTL_BIND_MUTE,
};
static const struct snd_kcontrol_new control_templates[] = {
	HDA_CODEC_VOLUME(NULL, 0, 0, 0),
833
834
835
836
837
838
839
840
841
	/* only the put callback is replaced for handling the special mute */
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.subdevice = HDA_SUBDEV_AMP_FLAG,
		.info = snd_hda_mixer_amp_switch_info,
		.get = snd_hda_mixer_amp_switch_get,
		.put = hda_gen_mixer_mute_put, /* replaced */
		.private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0),
	},
842
843
844
845
846
847
848
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.info = snd_hda_mixer_amp_switch_info,
		.get = snd_hda_mixer_bind_switch_get,
		.put = hda_gen_bind_mute_put, /* replaced */
		.private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0),
	},
849
};
Linus Torvalds's avatar
Linus Torvalds committed
850

851
/* add dynamic controls from template */
852
853
static struct snd_kcontrol_new *
add_control(struct hda_gen_spec *spec, int type, const char *name,
854
		       int cidx, unsigned long val)
Linus Torvalds's avatar
Linus Torvalds committed
855
{
856
	struct snd_kcontrol_new *knew;
Linus Torvalds's avatar
Linus Torvalds committed
857

858
	knew = snd_hda_gen_add_kctl(spec, name, &control_templates[type]);
859
	if (!knew)
860
		return NULL;
861
862
863
864
	knew->index = cidx;
	if (get_amp_nid_(val))
		knew->subdevice = HDA_SUBDEV_AMP_FLAG;
	knew->private_value = val;
865
	return knew;
Linus Torvalds's avatar
Linus Torvalds committed
866
867
}

868
869
870
static int add_control_with_pfx(struct hda_gen_spec *spec, int type,
				const char *pfx, const char *dir,
				const char *sfx, int cidx, unsigned long val)
Linus Torvalds's avatar
Linus Torvalds committed
871
{
872
	char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
873
	snprintf(name, sizeof(name), "%s %s %s", pfx, dir, sfx);
874
875
876
	if (!add_control(spec, type, name, cidx, val))
		return -ENOMEM;
	return 0;
Linus Torvalds's avatar
Linus Torvalds committed
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
#define add_pb_vol_ctrl(spec, type, pfx, val)			\
	add_control_with_pfx(spec, type, pfx, "Playback", "Volume", 0, val)
#define add_pb_sw_ctrl(spec, type, pfx, val)			\
	add_control_with_pfx(spec, type, pfx, "Playback", "Switch", 0, val)
#define __add_pb_vol_ctrl(spec, type, pfx, cidx, val)			\
	add_control_with_pfx(spec, type, pfx, "Playback", "Volume", cidx, val)
#define __add_pb_sw_ctrl(spec, type, pfx, cidx, val)			\
	add_control_with_pfx(spec, type, pfx, "Playback", "Switch", cidx, val)

static int add_vol_ctl(struct hda_codec *codec, const char *pfx, int cidx,
		       unsigned int chs, struct nid_path *path)
{
	unsigned int val;
	if (!path)
		return 0;
	val = path->ctls[NID_PATH_VOL_CTL];
	if (!val)
		return 0;
	val = amp_val_replace_channels(val, chs);
	return __add_pb_vol_ctrl(codec->spec, HDA_CTL_WIDGET_VOL, pfx, cidx, val);
}

/* return the channel bits suitable for the given path->ctls[] */
static int get_default_ch_nums(struct hda_codec *codec, struct nid_path *path,
			       int type)
{
	int chs = 1; /* mono (left only) */
	if (path) {
		hda_nid_t nid = get_amp_nid_(path->ctls[type]);
		if (nid && (get_wcaps(codec, nid) & AC_WCAP_STEREO))
			chs = 3; /* stereo */
Linus Torvalds's avatar
Linus Torvalds committed
910
	}
911
	return chs;
Linus Torvalds's avatar
Linus Torvalds committed
912
913
}

914
915
916
917
918
919
920
921
922
static int add_stereo_vol(struct hda_codec *codec, const char *pfx, int cidx,
			  struct nid_path *path)
{
	int chs = get_default_ch_nums(codec, path, NID_PATH_VOL_CTL);
	return add_vol_ctl(codec, pfx, cidx, chs, path);
}

/* create a mute-switch for the given mixer widget;
 * if it has multiple sources (e.g. DAC and loopback), create a bind-mute
Linus Torvalds's avatar
Linus Torvalds committed
923
 */
924
925
static int add_sw_ctl(struct hda_codec *codec, const char *pfx, int cidx,
		      unsigned int chs, struct nid_path *path)
Linus Torvalds's avatar
Linus Torvalds committed
926
{
927
928
	unsigned int val;
	int type = HDA_CTL_WIDGET_MUTE;
Linus Torvalds's avatar
Linus Torvalds committed
929

930
	if (!path)
Linus Torvalds's avatar
Linus Torvalds committed
931
		return 0;
932
933
	val = path->ctls[NID_PATH_MUTE_CTL];
	if (!val)
Linus Torvalds's avatar
Linus Torvalds committed
934
		return 0;
935
936
937
938
939
940
941
942
	val = amp_val_replace_channels(val, chs);
	if (get_amp_direction_(val) == HDA_INPUT) {
		hda_nid_t nid = get_amp_nid_(val);
		int nums = snd_hda_get_num_conns(codec, nid);
		if (nums > 1) {
			type = HDA_CTL_BIND_MUTE;
			val |= nums << 19;
		}
Linus Torvalds's avatar
Linus Torvalds committed
943
	}
944
945
	return __add_pb_sw_ctrl(codec->spec, type, pfx, cidx, val);
}
Linus Torvalds's avatar
Linus Torvalds committed
946

947
948
949
950
951
952
static int add_stereo_sw(struct hda_codec *codec, const char *pfx,
				  int cidx, struct nid_path *path)
{
	int chs = get_default_ch_nums(codec, path, NID_PATH_MUTE_CTL);
	return add_sw_ctl(codec, pfx, cidx, chs, path);
}
Linus Torvalds's avatar
Linus Torvalds committed
953

954
/* playback mute control with the software mute bit check */
955
956
static void sync_auto_mute_bits(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
957
958
959
960
961
962
963
964
965
966
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct hda_gen_spec *spec = codec->spec;

	if (spec->auto_mute_via_amp) {
		hda_nid_t nid = get_amp_nid(kcontrol);
		bool enabled = !((spec->mute_bits >> nid) & 1);
		ucontrol->value.integer.value[0] &= enabled;
		ucontrol->value.integer.value[1] &= enabled;
	}
967
}
968

969
970
971
972
static int hda_gen_mixer_mute_put(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	sync_auto_mute_bits(kcontrol, ucontrol);
973
974
975
	return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
}

976
977
978
979
980
981
982
static int hda_gen_bind_mute_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	sync_auto_mute_bits(kcontrol, ucontrol);
	return snd_hda_mixer_bind_switch_put(kcontrol, ucontrol);
}

983
984
985
986
987
988
989
/* any ctl assigned to the path with the given index? */
static bool path_has_mixer(struct hda_codec *codec, int path_idx, int ctl_type)
{
	struct nid_path *path = snd_hda_get_path_from_idx(codec, path_idx);
	return path && path->ctls[ctl_type];
}

990
991
992
static const char * const channel_name[4] = {
	"Front", "Surround", "CLFE", "Side"
};
993

994
/* give some appropriate ctl name prefix for the given line out channel */
995
996
static const char *get_line_out_pfx(struct hda_codec *codec, int ch,
				    int *index, int ctl_type)
997
{
998
	struct hda_gen_spec *spec = codec->spec;
999
	struct auto_pin_cfg *cfg = &spec->autocfg;
Linus Torvalds's avatar
Linus Torvalds committed
1000

1001
1002
	*index = 0;
	if (cfg->line_outs == 1 && !spec->multi_ios &&
1003
	    !cfg->hp_outs && !cfg->speaker_outs)
1004
		return spec->vmaster_mute.hook ? "PCM" : "Master";
Linus Torvalds's avatar
Linus Torvalds committed
1005

1006
1007
1008
1009
1010
1011
1012
	/* if there is really a single DAC used in the whole output paths,
	 * use it master (or "PCM" if a vmaster hook is present)
	 */
	if (spec->multiout.num_dacs == 1 && !spec->mixer_nid &&
	    !spec->multiout.hp_out_nid[0] && !spec->multiout.extra_out_nid[0])
		return spec->vmaster_mute.hook ? "PCM" : "Master";

1013
1014
1015
1016
	/* multi-io channels */
	if (ch >= cfg->line_outs)
		return channel_name[ch];

1017
1018
	switch (cfg->line_out_type) {
	case AUTO_PIN_SPEAKER_OUT:
1019
1020
1021
1022
1023
1024
		/* if the primary channel vol/mute is shared with HP volume,
		 * don't name it as Speaker
		 */
		if (!ch && cfg->hp_outs &&
		    !path_has_mixer(codec, spec->hp_paths[0], ctl_type))
			break;
1025
1026
1027
1028
1029
1030
		if (cfg->line_outs == 1)
			return "Speaker";
		if (cfg->line_outs == 2)
			return ch ? "Bass Speaker" : "Speaker";
		break;
	case AUTO_PIN_HP_OUT:
1031
1032
1033
1034
1035
1036
		/* if the primary channel vol/mute is shared with spk volume,
		 * don't name it as Headphone
		 */
		if (!ch && cfg->speaker_outs &&
		    !path_has_mixer(codec, spec->speaker_paths[0], ctl_type))
			break;
1037
1038
1039
1040
1041
1042
		/* for multi-io case, only the primary out */
		if (ch && spec->multi_ios)
			break;
		*index = ch;
		return "Headphone";
	}
1043
1044
1045
1046
1047

	/* for a single channel output, we don't have to name the channel */
	if (cfg->line_outs == 1 && !spec->multi_ios)
		return "PCM";

1048
1049
1050
	if (ch >= ARRAY_SIZE(channel_name)) {
		snd_BUG();
		return "PCM";
Linus Torvalds's avatar
Linus Torvalds committed
1051
1052
	}

1053
	return channel_name[ch];
Linus Torvalds's avatar
Linus Torvalds committed
1054
1055
1056
}

/*
1057
 * Parse output paths
Linus Torvalds's avatar
Linus Torvalds committed
1058
 */
1059
1060
1061
1062
1063
1064
1065
1066

/* badness definition */
enum {
	/* No primary DAC is found for the main output */
	BAD_NO_PRIMARY_DAC = 0x10000,
	/* No DAC is found for the extra output */
	BAD_NO_DAC = 0x4000,
	/* No possible multi-ios */
1067
	BAD_MULTI_IO = 0x120,
1068
1069
1070
1071
1072
1073
	/* No individual DAC for extra output */
	BAD_NO_EXTRA_DAC = 0x102,
	/* No individual DAC for extra surrounds */
	BAD_NO_EXTRA_SURR_DAC = 0x101,
	/* Primary DAC shared with main surrounds */
	BAD_SHARED_SURROUND = 0x100,
1074
	/* No independent HP possible */
1075
	BAD_NO_INDEP_HP = 0x10,
1076
1077
1078
1079
1080
1081
1082
1083
	/* Primary DAC shared with main CLFE */
	BAD_SHARED_CLFE = 0x10,
	/* Primary DAC shared with extra surrounds */
	BAD_SHARED_EXTRA_SURROUND = 0x10,
	/* Volume widget is shared */
	BAD_SHARED_VOL = 0x10,
};

1084
/* look for widgets in the given path which are appropriate for
1085
1086
1087
1088
1089
1090
 * volume and mute controls, and assign the values to ctls[].
 *
 * When no appropriate widget is found in the path, the badness value
 * is incremented depending on the situation.  The function returns the
 * total badness for both volume and mute controls.
 */
1091
static int assign_out_path_ctls(struct hda_codec *codec, struct nid_path *path)
Linus Torvalds's avatar
Linus Torvalds committed
1092
{
1093
1094
1095
1096
1097
1098
	hda_nid_t nid;
	unsigned int val;
	int badness = 0;

	if (!path)
		return BAD_SHARED_VOL * 2;
1099
1100
1101
1102
1103

	if (path->ctls[NID_PATH_VOL_CTL] ||
	    path->ctls[NID_PATH_MUTE_CTL])
		return 0; /* already evaluated */

1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
	nid = look_for_out_vol_nid(codec, path);
	if (nid) {
		val = HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT);
		if (is_ctl_used(codec, val, NID_PATH_VOL_CTL))
			badness += BAD_SHARED_VOL;
		else
			path->ctls[NID_PATH_VOL_CTL] = val;
	} else
		badness += BAD_SHARED_VOL;
	nid = look_for_out_mute_nid(codec, path);
	if (nid) {
		unsigned int wid_type = get_wcaps_type(get_wcaps(codec, nid));
		if (wid_type == AC_WID_PIN || wid_type == AC_WID_AUD_OUT ||
		    nid_has_mute(codec, nid, HDA_OUTPUT))
			val = HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT);
		else
			val = HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_INPUT);
		if (is_ctl_used(codec, val, NID_PATH_MUTE_CTL))
			badness += BAD_SHARED_VOL;
		else
			path->ctls[NID_PATH_MUTE_CTL] = val;
	} else
		badness += BAD_SHARED_VOL;
	return badness;
}
Linus Torvalds's avatar
Linus Torvalds committed
1129

1130
const struct badness_table hda_main_out_badness = {
1131
1132
1133
1134
1135
1136
1137
	.no_primary_dac = BAD_NO_PRIMARY_DAC,
	.no_dac = BAD_NO_DAC,
	.shared_primary = BAD_NO_PRIMARY_DAC,
	.shared_surr = BAD_SHARED_SURROUND,
	.shared_clfe = BAD_SHARED_CLFE,
	.shared_surr_main = BAD_SHARED_SURROUND,
};
1138
EXPORT_SYMBOL_HDA(hda_main_out_badness);
1139

1140
const struct badness_table hda_extra_out_badness = {
1141
1142
1143
1144
1145
1146
1147
	.no_primary_dac = BAD_NO_DAC,
	.no_dac = BAD_NO_DAC,
	.shared_primary = BAD_NO_EXTRA_DAC,
	.shared_surr = BAD_SHARED_EXTRA_SURROUND,
	.shared_clfe = BAD_SHARED_EXTRA_SURROUND,
	.shared_surr_main = BAD_NO_EXTRA_SURR_DAC,
};
1148
EXPORT_SYMBOL_HDA(hda_extra_out_badness);
1149

1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
/* get the DAC of the primary output corresponding to the given array index */
static hda_nid_t get_primary_out(struct hda_codec *codec, int idx)
{
	struct hda_gen_spec *spec = codec->spec;
	struct auto_pin_cfg *cfg = &spec->autocfg;

	if (cfg->line_outs > idx)
		return spec->private_dac_nids[idx];
	idx -= cfg->line_outs;
	if (spec->multi_ios > idx)
		return spec->multi_io[idx].dac;
	return 0;
}

/* return the DAC if it's reachable, otherwise zero */
static inline hda_nid_t try_dac(struct hda_codec *codec,
				hda_nid_t dac, hda_nid_t pin)
{
	return is_reachable_path(codec, dac, pin) ? dac : 0;
}

1171
1172
1173
/* try to assign DACs to pins and return the resultant badness */
static int try_assign_dacs(struct hda_codec *codec, int num_outs,
			   const hda_nid_t *pins, hda_nid_t *dacs,
1174
			   int *path_idx,
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
			   const struct badness_table *bad)
{
	struct hda_gen_spec *spec = codec->spec;
	int i, j;
	int badness = 0;
	hda_nid_t dac;

	if (!num_outs)
		return 0;

	for (i = 0; i < num_outs; i++) {
1186
		struct nid_path *path;
1187
		hda_nid_t pin = pins[i];
1188

1189
1190
1191
		path = snd_hda_get_path_from_idx(codec, path_idx[i]);
		if (path) {
			badness += assign_out_path_ctls(codec, path);
1192
1193
1194
1195
			continue;
		}

		dacs[i] = look_for_dac(codec, pin, false);
1196
		if (!dacs[i] && !i) {
1197
			/* try to steal the DAC of surrounds for the front */
1198
1199
1200
1201
			for (j = 1; j < num_outs; j++) {
				if (is_reachable_path(codec, dacs[j], pin)) {
					dacs[0] = dacs[j];
					dacs[j] = 0;
1202
					invalidate_nid_path(codec, path_idx[j]);
1203
					path_idx[j] = 0;
1204
1205
1206
					break;
				}
			}
1207
		}
1208
1209
		dac = dacs[i];
		if (!dac) {
1210
1211
1212
1213
1214
1215
			if (num_outs > 2)
				dac = try_dac(codec, get_primary_out(codec, i), pin);
			if (!dac)
				dac = try_dac(codec, dacs[0], pin);
			if (!dac)
				dac = try_dac(codec, get_primary_out(codec, i), pin);
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
			if (dac) {
				if (!i)
					badness += bad->shared_primary;
				else if (i == 1)
					badness += bad->shared_surr;
				else
					badness += bad->shared_clfe;
			} else if (is_reachable_path(codec, spec->private_dac_nids[0], pin)) {
				dac = spec->private_dac_nids[0];
				badness += bad->shared_surr_main;
			} else if (!i)
				badness += bad->no_primary_dac;
			else
				badness += bad->no_dac;
Linus Torvalds's avatar
Linus Torvalds committed
1230
		}
1231
1232
		if (!dac)
			continue;
1233
		path = snd_hda_add_new_path(codec, dac, pin, -spec->mixer_nid);
1234
		if (!path && !i && spec->mixer_nid) {
1235
			/* try with aamix */
1236
			path = snd_hda_add_new_path(codec, dac, pin, 0);
1237
		}
1238
		if (!path) {
1239
			dac = dacs[i] = 0;
1240
1241
			badness += bad->no_dac;
		} else {
1242
			/* print_nid_path("output", path); */
1243
			path->active = true;
1244
			path_idx[i] = snd_hda_get_path_idx(codec, path);
1245
			badness += assign_out_path_ctls(codec, path);
1246
		}
Linus Torvalds's avatar
Linus Torvalds committed
1247
1248
	}

1249
	return badness;
Linus Torvalds's avatar
Linus Torvalds committed
1250
1251
}

1252
1253
/* return NID if the given pin has only a single connection to a certain DAC */
static hda_nid_t get_dac_if_single(struct hda_codec *codec, hda_nid_t pin)
Linus Torvalds's avatar
Linus Torvalds committed
1254
{
1255
1256
1257
	struct hda_gen_spec *spec = codec->spec;
	int i;
	hda_nid_t nid_found = 0;
Linus Torvalds's avatar
Linus Torvalds committed
1258

1259
1260
1261
1262
1263
1264
	for (i = 0; i < spec->num_all_dacs; i++) {
		hda_nid_t nid = spec->all_dacs[i];
		if (!nid || is_dac_already_used(codec, nid))
			continue;
		if (is_reachable_path(codec, nid, pin)) {
			if (nid_found)
Linus Torvalds's avatar
Linus Torvalds committed
1265
				return 0;
1266
			nid_found = nid;
Linus Torvalds's avatar
Linus Torvalds committed
1267
1268
		}
	}
1269
	return nid_found;
Linus Torvalds's avatar
Linus Torvalds committed
1270
1271
}

1272