xref: /linux/sound/pci/hda/hda_auto_parser.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * BIOS auto-parser helper functions for HD-audio
3  *
4  * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
5  *
6  * This driver is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11 
12 #include <linux/slab.h>
13 #include <linux/export.h>
14 #include <linux/sort.h>
15 #include <sound/core.h>
16 #include "hda_codec.h"
17 #include "hda_local.h"
18 #include "hda_auto_parser.h"
19 
20 /*
21  * Helper for automatic pin configuration
22  */
23 
24 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
25 {
26 	for (; *list; list++)
27 		if (*list == nid)
28 			return 1;
29 	return 0;
30 }
31 
32 /* a pair of input pin and its sequence */
33 struct auto_out_pin {
34 	hda_nid_t pin;
35 	short seq;
36 };
37 
38 static int compare_seq(const void *ap, const void *bp)
39 {
40 	const struct auto_out_pin *a = ap;
41 	const struct auto_out_pin *b = bp;
42 	return (int)(a->seq - b->seq);
43 }
44 
45 /*
46  * Sort an associated group of pins according to their sequence numbers.
47  * then store it to a pin array.
48  */
49 static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
50 				  int num_pins)
51 {
52 	int i;
53 	sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
54 	for (i = 0; i < num_pins; i++)
55 		pins[i] = list[i].pin;
56 }
57 
58 
59 /* add the found input-pin to the cfg->inputs[] table */
60 static void add_auto_cfg_input_pin(struct hda_codec *codec, struct auto_pin_cfg *cfg,
61 				   hda_nid_t nid, int type)
62 {
63 	if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
64 		cfg->inputs[cfg->num_inputs].pin = nid;
65 		cfg->inputs[cfg->num_inputs].type = type;
66 		cfg->inputs[cfg->num_inputs].has_boost_on_pin =
67 			nid_has_volume(codec, nid, HDA_INPUT);
68 		cfg->num_inputs++;
69 	}
70 }
71 
72 static int compare_input_type(const void *ap, const void *bp)
73 {
74 	const struct auto_pin_cfg_item *a = ap;
75 	const struct auto_pin_cfg_item *b = bp;
76 	if (a->type != b->type)
77 		return (int)(a->type - b->type);
78 
79 	/* In case one has boost and the other one has not,
80 	   pick the one with boost first. */
81 	return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
82 }
83 
84 /* Reorder the surround channels
85  * ALSA sequence is front/surr/clfe/side
86  * HDA sequence is:
87  *    4-ch: front/surr  =>  OK as it is
88  *    6-ch: front/clfe/surr
89  *    8-ch: front/clfe/rear/side|fc
90  */
91 static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
92 {
93 	hda_nid_t nid;
94 
95 	switch (nums) {
96 	case 3:
97 	case 4:
98 		nid = pins[1];
99 		pins[1] = pins[2];
100 		pins[2] = nid;
101 		break;
102 	}
103 }
104 
105 /* check whether the given pin has a proper pin I/O capability bit */
106 static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
107 				  unsigned int dev)
108 {
109 	unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
110 
111 	/* some old hardware don't return the proper pincaps */
112 	if (!pincap)
113 		return true;
114 
115 	switch (dev) {
116 	case AC_JACK_LINE_OUT:
117 	case AC_JACK_SPEAKER:
118 	case AC_JACK_HP_OUT:
119 	case AC_JACK_SPDIF_OUT:
120 	case AC_JACK_DIG_OTHER_OUT:
121 		return !!(pincap & AC_PINCAP_OUT);
122 	default:
123 		return !!(pincap & AC_PINCAP_IN);
124 	}
125 }
126 
127 static bool can_be_headset_mic(struct hda_codec *codec,
128 			       struct auto_pin_cfg_item *item,
129 			       int seq_number)
130 {
131 	int attr;
132 	unsigned int def_conf;
133 	if (item->type != AUTO_PIN_MIC)
134 		return false;
135 
136 	if (item->is_headset_mic || item->is_headphone_mic)
137 		return false; /* Already assigned */
138 
139 	def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
140 	attr = snd_hda_get_input_pin_attr(def_conf);
141 	if (attr <= INPUT_PIN_ATTR_DOCK)
142 		return false;
143 
144 	if (seq_number >= 0) {
145 		int seq = get_defcfg_sequence(def_conf);
146 		if (seq != seq_number)
147 			return false;
148 	}
149 
150 	return true;
151 }
152 
153 /*
154  * Parse all pin widgets and store the useful pin nids to cfg
155  *
156  * The number of line-outs or any primary output is stored in line_outs,
157  * and the corresponding output pins are assigned to line_out_pins[],
158  * in the order of front, rear, CLFE, side, ...
159  *
160  * If more extra outputs (speaker and headphone) are found, the pins are
161  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
162  * is detected, one of speaker of HP pins is assigned as the primary
163  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
164  * if any analog output exists.
165  *
166  * The analog input pins are assigned to inputs array.
167  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
168  * respectively.
169  */
170 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
171 			     struct auto_pin_cfg *cfg,
172 			     const hda_nid_t *ignore_nids,
173 			     unsigned int cond_flags)
174 {
175 	hda_nid_t nid;
176 	short seq, assoc_line_out;
177 	struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
178 	struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
179 	struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
180 	int i;
181 
182 	if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
183 		cond_flags = i;
184 
185 	memset(cfg, 0, sizeof(*cfg));
186 
187 	memset(line_out, 0, sizeof(line_out));
188 	memset(speaker_out, 0, sizeof(speaker_out));
189 	memset(hp_out, 0, sizeof(hp_out));
190 	assoc_line_out = 0;
191 
192 	for_each_hda_codec_node(nid, codec) {
193 		unsigned int wid_caps = get_wcaps(codec, nid);
194 		unsigned int wid_type = get_wcaps_type(wid_caps);
195 		unsigned int def_conf;
196 		short assoc, loc, conn, dev;
197 
198 		/* read all default configuration for pin complex */
199 		if (wid_type != AC_WID_PIN)
200 			continue;
201 		/* ignore the given nids (e.g. pc-beep returns error) */
202 		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
203 			continue;
204 
205 		def_conf = snd_hda_codec_get_pincfg(codec, nid);
206 		conn = get_defcfg_connect(def_conf);
207 		if (conn == AC_JACK_PORT_NONE)
208 			continue;
209 		loc = get_defcfg_location(def_conf);
210 		dev = get_defcfg_device(def_conf);
211 
212 		/* workaround for buggy BIOS setups */
213 		if (dev == AC_JACK_LINE_OUT) {
214 			if (conn == AC_JACK_PORT_FIXED ||
215 			    conn == AC_JACK_PORT_BOTH)
216 				dev = AC_JACK_SPEAKER;
217 		}
218 
219 		if (!check_pincap_validity(codec, nid, dev))
220 			continue;
221 
222 		switch (dev) {
223 		case AC_JACK_LINE_OUT:
224 			seq = get_defcfg_sequence(def_conf);
225 			assoc = get_defcfg_association(def_conf);
226 
227 			if (!(wid_caps & AC_WCAP_STEREO))
228 				if (!cfg->mono_out_pin)
229 					cfg->mono_out_pin = nid;
230 			if (!assoc)
231 				continue;
232 			if (!assoc_line_out)
233 				assoc_line_out = assoc;
234 			else if (assoc_line_out != assoc) {
235 				codec_info(codec,
236 					   "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
237 					   nid, assoc, assoc_line_out);
238 				continue;
239 			}
240 			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
241 				codec_info(codec,
242 					   "ignore pin 0x%x, too many assigned pins\n",
243 					   nid);
244 				continue;
245 			}
246 			line_out[cfg->line_outs].pin = nid;
247 			line_out[cfg->line_outs].seq = seq;
248 			cfg->line_outs++;
249 			break;
250 		case AC_JACK_SPEAKER:
251 			seq = get_defcfg_sequence(def_conf);
252 			assoc = get_defcfg_association(def_conf);
253 			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
254 				codec_info(codec,
255 					   "ignore pin 0x%x, too many assigned pins\n",
256 					   nid);
257 				continue;
258 			}
259 			speaker_out[cfg->speaker_outs].pin = nid;
260 			speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
261 			cfg->speaker_outs++;
262 			break;
263 		case AC_JACK_HP_OUT:
264 			seq = get_defcfg_sequence(def_conf);
265 			assoc = get_defcfg_association(def_conf);
266 			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
267 				codec_info(codec,
268 					   "ignore pin 0x%x, too many assigned pins\n",
269 					   nid);
270 				continue;
271 			}
272 			hp_out[cfg->hp_outs].pin = nid;
273 			hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
274 			cfg->hp_outs++;
275 			break;
276 		case AC_JACK_MIC_IN:
277 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
278 			break;
279 		case AC_JACK_LINE_IN:
280 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
281 			break;
282 		case AC_JACK_CD:
283 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
284 			break;
285 		case AC_JACK_AUX:
286 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
287 			break;
288 		case AC_JACK_SPDIF_OUT:
289 		case AC_JACK_DIG_OTHER_OUT:
290 			if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
291 				codec_info(codec,
292 					   "ignore pin 0x%x, too many assigned pins\n",
293 					   nid);
294 				continue;
295 			}
296 			cfg->dig_out_pins[cfg->dig_outs] = nid;
297 			cfg->dig_out_type[cfg->dig_outs] =
298 				(loc == AC_JACK_LOC_HDMI) ?
299 				HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
300 			cfg->dig_outs++;
301 			break;
302 		case AC_JACK_SPDIF_IN:
303 		case AC_JACK_DIG_OTHER_IN:
304 			cfg->dig_in_pin = nid;
305 			if (loc == AC_JACK_LOC_HDMI)
306 				cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
307 			else
308 				cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
309 			break;
310 		}
311 	}
312 
313 	/* Find a pin that could be a headset or headphone mic */
314 	if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
315 		bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
316 		bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
317 		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
318 			if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
319 				cfg->inputs[i].is_headset_mic = 1;
320 				hsmic = false;
321 			} else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
322 				cfg->inputs[i].is_headphone_mic = 1;
323 				hpmic = false;
324 			}
325 
326 		/* If we didn't find our sequence number mark, fall back to any sequence number */
327 		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
328 			if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
329 				continue;
330 			if (hsmic) {
331 				cfg->inputs[i].is_headset_mic = 1;
332 				hsmic = false;
333 			} else if (hpmic) {
334 				cfg->inputs[i].is_headphone_mic = 1;
335 				hpmic = false;
336 			}
337 		}
338 
339 		if (hsmic)
340 			codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
341 		if (hpmic)
342 			codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
343 	}
344 
345 	/* FIX-UP:
346 	 * If no line-out is defined but multiple HPs are found,
347 	 * some of them might be the real line-outs.
348 	 */
349 	if (!cfg->line_outs && cfg->hp_outs > 1 &&
350 	    !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
351 		int i = 0;
352 		while (i < cfg->hp_outs) {
353 			/* The real HPs should have the sequence 0x0f */
354 			if ((hp_out[i].seq & 0x0f) == 0x0f) {
355 				i++;
356 				continue;
357 			}
358 			/* Move it to the line-out table */
359 			line_out[cfg->line_outs++] = hp_out[i];
360 			cfg->hp_outs--;
361 			memmove(hp_out + i, hp_out + i + 1,
362 				sizeof(hp_out[0]) * (cfg->hp_outs - i));
363 		}
364 		memset(hp_out + cfg->hp_outs, 0,
365 		       sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
366 		if (!cfg->hp_outs)
367 			cfg->line_out_type = AUTO_PIN_HP_OUT;
368 
369 	}
370 
371 	/* sort by sequence */
372 	sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
373 	sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
374 			      cfg->speaker_outs);
375 	sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
376 
377 	/*
378 	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
379 	 * as a primary output
380 	 */
381 	if (!cfg->line_outs &&
382 	    !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
383 		if (cfg->speaker_outs) {
384 			cfg->line_outs = cfg->speaker_outs;
385 			memcpy(cfg->line_out_pins, cfg->speaker_pins,
386 			       sizeof(cfg->speaker_pins));
387 			cfg->speaker_outs = 0;
388 			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
389 			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
390 		} else if (cfg->hp_outs) {
391 			cfg->line_outs = cfg->hp_outs;
392 			memcpy(cfg->line_out_pins, cfg->hp_pins,
393 			       sizeof(cfg->hp_pins));
394 			cfg->hp_outs = 0;
395 			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
396 			cfg->line_out_type = AUTO_PIN_HP_OUT;
397 		}
398 	}
399 
400 	reorder_outputs(cfg->line_outs, cfg->line_out_pins);
401 	reorder_outputs(cfg->hp_outs, cfg->hp_pins);
402 	reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
403 
404 	/* sort inputs in the order of AUTO_PIN_* type */
405 	sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
406 	     compare_input_type, NULL);
407 
408 	/*
409 	 * debug prints of the parsed results
410 	 */
411 	codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
412 		   codec->core.chip_name, cfg->line_outs, cfg->line_out_pins[0],
413 		   cfg->line_out_pins[1], cfg->line_out_pins[2],
414 		   cfg->line_out_pins[3], cfg->line_out_pins[4],
415 		   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
416 		   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
417 		    "speaker" : "line"));
418 	codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
419 		   cfg->speaker_outs, cfg->speaker_pins[0],
420 		   cfg->speaker_pins[1], cfg->speaker_pins[2],
421 		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
422 	codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
423 		   cfg->hp_outs, cfg->hp_pins[0],
424 		   cfg->hp_pins[1], cfg->hp_pins[2],
425 		   cfg->hp_pins[3], cfg->hp_pins[4]);
426 	codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
427 	if (cfg->dig_outs)
428 		codec_info(codec, "   dig-out=0x%x/0x%x\n",
429 			   cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
430 	codec_info(codec, "   inputs:\n");
431 	for (i = 0; i < cfg->num_inputs; i++) {
432 		codec_info(codec, "     %s=0x%x\n",
433 			    hda_get_autocfg_input_label(codec, cfg, i),
434 			    cfg->inputs[i].pin);
435 	}
436 	if (cfg->dig_in_pin)
437 		codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
438 
439 	return 0;
440 }
441 EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
442 
443 /**
444  * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
445  * @def_conf: pin configuration value
446  *
447  * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
448  * default pin configuration value.
449  */
450 int snd_hda_get_input_pin_attr(unsigned int def_conf)
451 {
452 	unsigned int loc = get_defcfg_location(def_conf);
453 	unsigned int conn = get_defcfg_connect(def_conf);
454 	if (conn == AC_JACK_PORT_NONE)
455 		return INPUT_PIN_ATTR_UNUSED;
456 	/* Windows may claim the internal mic to be BOTH, too */
457 	if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
458 		return INPUT_PIN_ATTR_INT;
459 	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
460 		return INPUT_PIN_ATTR_INT;
461 	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
462 		return INPUT_PIN_ATTR_DOCK;
463 	if (loc == AC_JACK_LOC_REAR)
464 		return INPUT_PIN_ATTR_REAR;
465 	if (loc == AC_JACK_LOC_FRONT)
466 		return INPUT_PIN_ATTR_FRONT;
467 	return INPUT_PIN_ATTR_NORMAL;
468 }
469 EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
470 
471 /**
472  * hda_get_input_pin_label - Give a label for the given input pin
473  * @codec: the HDA codec
474  * @item: ping config item to refer
475  * @pin: the pin NID
476  * @check_location: flag to add the jack location prefix
477  *
478  * When @check_location is true, the function checks the pin location
479  * for mic and line-in pins, and set an appropriate prefix like "Front",
480  * "Rear", "Internal".
481  */
482 static const char *hda_get_input_pin_label(struct hda_codec *codec,
483 					   const struct auto_pin_cfg_item *item,
484 					   hda_nid_t pin, bool check_location)
485 {
486 	unsigned int def_conf;
487 	static const char * const mic_names[] = {
488 		"Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
489 	};
490 	int attr;
491 
492 	def_conf = snd_hda_codec_get_pincfg(codec, pin);
493 
494 	switch (get_defcfg_device(def_conf)) {
495 	case AC_JACK_MIC_IN:
496 		if (item && item->is_headset_mic)
497 			return "Headset Mic";
498 		if (item && item->is_headphone_mic)
499 			return "Headphone Mic";
500 		if (!check_location)
501 			return "Mic";
502 		attr = snd_hda_get_input_pin_attr(def_conf);
503 		if (!attr)
504 			return "None";
505 		return mic_names[attr - 1];
506 	case AC_JACK_LINE_IN:
507 		if (!check_location)
508 			return "Line";
509 		attr = snd_hda_get_input_pin_attr(def_conf);
510 		if (!attr)
511 			return "None";
512 		if (attr == INPUT_PIN_ATTR_DOCK)
513 			return "Dock Line";
514 		return "Line";
515 	case AC_JACK_AUX:
516 		return "Aux";
517 	case AC_JACK_CD:
518 		return "CD";
519 	case AC_JACK_SPDIF_IN:
520 		return "SPDIF In";
521 	case AC_JACK_DIG_OTHER_IN:
522 		return "Digital In";
523 	case AC_JACK_HP_OUT:
524 		return "Headphone Mic";
525 	default:
526 		return "Misc";
527 	}
528 }
529 
530 /* Check whether the location prefix needs to be added to the label.
531  * If all mic-jacks are in the same location (e.g. rear panel), we don't
532  * have to put "Front" prefix to each label.  In such a case, returns false.
533  */
534 static int check_mic_location_need(struct hda_codec *codec,
535 				   const struct auto_pin_cfg *cfg,
536 				   int input)
537 {
538 	unsigned int defc;
539 	int i, attr, attr2;
540 
541 	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
542 	attr = snd_hda_get_input_pin_attr(defc);
543 	/* for internal or docking mics, we need locations */
544 	if (attr <= INPUT_PIN_ATTR_NORMAL)
545 		return 1;
546 
547 	attr = 0;
548 	for (i = 0; i < cfg->num_inputs; i++) {
549 		defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
550 		attr2 = snd_hda_get_input_pin_attr(defc);
551 		if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
552 			if (attr && attr != attr2)
553 				return 1; /* different locations found */
554 			attr = attr2;
555 		}
556 	}
557 	return 0;
558 }
559 
560 /**
561  * hda_get_autocfg_input_label - Get a label for the given input
562  * @codec: the HDA codec
563  * @cfg: the parsed pin configuration
564  * @input: the input index number
565  *
566  * Get a label for the given input pin defined by the autocfg item.
567  * Unlike hda_get_input_pin_label(), this function checks all inputs
568  * defined in autocfg and avoids the redundant mic/line prefix as much as
569  * possible.
570  */
571 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
572 					const struct auto_pin_cfg *cfg,
573 					int input)
574 {
575 	int type = cfg->inputs[input].type;
576 	int has_multiple_pins = 0;
577 
578 	if ((input > 0 && cfg->inputs[input - 1].type == type) ||
579 	    (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
580 		has_multiple_pins = 1;
581 	if (has_multiple_pins && type == AUTO_PIN_MIC)
582 		has_multiple_pins &= check_mic_location_need(codec, cfg, input);
583 	return hda_get_input_pin_label(codec, &cfg->inputs[input],
584 				       cfg->inputs[input].pin,
585 				       has_multiple_pins);
586 }
587 EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
588 
589 /* return the position of NID in the list, or -1 if not found */
590 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
591 {
592 	int i;
593 	for (i = 0; i < nums; i++)
594 		if (list[i] == nid)
595 			return i;
596 	return -1;
597 }
598 
599 /* get a unique suffix or an index number */
600 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
601 				    int num_pins, int *indexp)
602 {
603 	static const char * const channel_sfx[] = {
604 		" Front", " Surround", " CLFE", " Side"
605 	};
606 	int i;
607 
608 	i = find_idx_in_nid_list(nid, pins, num_pins);
609 	if (i < 0)
610 		return NULL;
611 	if (num_pins == 1)
612 		return "";
613 	if (num_pins > ARRAY_SIZE(channel_sfx)) {
614 		if (indexp)
615 			*indexp = i;
616 		return "";
617 	}
618 	return channel_sfx[i];
619 }
620 
621 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
622 {
623 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
624 	int attr = snd_hda_get_input_pin_attr(def_conf);
625 
626 	/* check the location */
627 	switch (attr) {
628 	case INPUT_PIN_ATTR_DOCK:
629 		return "Dock ";
630 	case INPUT_PIN_ATTR_FRONT:
631 		return "Front ";
632 	}
633 	return "";
634 }
635 
636 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
637 			      const hda_nid_t *pins, int num_pins)
638 {
639 	int i, j, idx = 0;
640 
641 	const char *pfx = check_output_pfx(codec, nid);
642 
643 	i = find_idx_in_nid_list(nid, pins, num_pins);
644 	if (i < 0)
645 		return -1;
646 	for (j = 0; j < i; j++)
647 		if (pfx == check_output_pfx(codec, pins[j]))
648 			idx++;
649 
650 	return idx;
651 }
652 
653 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
654 			       const struct auto_pin_cfg *cfg,
655 			       const char *name, char *label, int maxlen,
656 			       int *indexp)
657 {
658 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
659 	int attr = snd_hda_get_input_pin_attr(def_conf);
660 	const char *pfx, *sfx = "";
661 
662 	/* handle as a speaker if it's a fixed line-out */
663 	if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
664 		name = "Speaker";
665 	pfx = check_output_pfx(codec, nid);
666 
667 	if (cfg) {
668 		/* try to give a unique suffix if needed */
669 		sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
670 				       indexp);
671 		if (!sfx)
672 			sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
673 					       indexp);
674 		if (!sfx) {
675 			/* don't add channel suffix for Headphone controls */
676 			int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
677 						     cfg->hp_outs);
678 			if (idx >= 0 && indexp)
679 				*indexp = idx;
680 			sfx = "";
681 		}
682 	}
683 	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
684 	return 1;
685 }
686 
687 #define is_hdmi_cfg(conf) \
688 	(get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
689 
690 /**
691  * snd_hda_get_pin_label - Get a label for the given I/O pin
692  * @codec: the HDA codec
693  * @nid: pin NID
694  * @cfg: the parsed pin configuration
695  * @label: the string buffer to store
696  * @maxlen: the max length of string buffer (including termination)
697  * @indexp: the pointer to return the index number (for multiple ctls)
698  *
699  * Get a label for the given pin.  This function works for both input and
700  * output pins.  When @cfg is given as non-NULL, the function tries to get
701  * an optimized label using hda_get_autocfg_input_label().
702  *
703  * This function tries to give a unique label string for the pin as much as
704  * possible.  For example, when the multiple line-outs are present, it adds
705  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
706  * If no unique name with a suffix is available and @indexp is non-NULL, the
707  * index number is stored in the pointer.
708  */
709 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
710 			  const struct auto_pin_cfg *cfg,
711 			  char *label, int maxlen, int *indexp)
712 {
713 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
714 	const char *name = NULL;
715 	int i;
716 	bool hdmi;
717 
718 	if (indexp)
719 		*indexp = 0;
720 	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
721 		return 0;
722 
723 	switch (get_defcfg_device(def_conf)) {
724 	case AC_JACK_LINE_OUT:
725 		return fill_audio_out_name(codec, nid, cfg, "Line Out",
726 					   label, maxlen, indexp);
727 	case AC_JACK_SPEAKER:
728 		return fill_audio_out_name(codec, nid, cfg, "Speaker",
729 					   label, maxlen, indexp);
730 	case AC_JACK_HP_OUT:
731 		return fill_audio_out_name(codec, nid, cfg, "Headphone",
732 					   label, maxlen, indexp);
733 	case AC_JACK_SPDIF_OUT:
734 	case AC_JACK_DIG_OTHER_OUT:
735 		hdmi = is_hdmi_cfg(def_conf);
736 		name = hdmi ? "HDMI" : "SPDIF";
737 		if (cfg && indexp)
738 			for (i = 0; i < cfg->dig_outs; i++) {
739 				hda_nid_t pin = cfg->dig_out_pins[i];
740 				unsigned int c;
741 				if (pin == nid)
742 					break;
743 				c = snd_hda_codec_get_pincfg(codec, pin);
744 				if (hdmi == is_hdmi_cfg(c))
745 					(*indexp)++;
746 			}
747 		break;
748 	default:
749 		if (cfg) {
750 			for (i = 0; i < cfg->num_inputs; i++) {
751 				if (cfg->inputs[i].pin != nid)
752 					continue;
753 				name = hda_get_autocfg_input_label(codec, cfg, i);
754 				if (name)
755 					break;
756 			}
757 		}
758 		if (!name)
759 			name = hda_get_input_pin_label(codec, NULL, nid, true);
760 		break;
761 	}
762 	if (!name)
763 		return 0;
764 	strlcpy(label, name, maxlen);
765 	return 1;
766 }
767 EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
768 
769 /**
770  * snd_hda_add_verbs - Add verbs to the init list
771  * @codec: the HDA codec
772  * @list: zero-terminated verb list to add
773  *
774  * Append the given verb list to the execution list.  The verbs will be
775  * performed at init and resume time via snd_hda_apply_verbs().
776  */
777 int snd_hda_add_verbs(struct hda_codec *codec,
778 		      const struct hda_verb *list)
779 {
780 	const struct hda_verb **v;
781 	v = snd_array_new(&codec->verbs);
782 	if (!v)
783 		return -ENOMEM;
784 	*v = list;
785 	return 0;
786 }
787 EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
788 
789 /**
790  * snd_hda_apply_verbs - Execute the init verb lists
791  * @codec: the HDA codec
792  */
793 void snd_hda_apply_verbs(struct hda_codec *codec)
794 {
795 	int i;
796 	for (i = 0; i < codec->verbs.used; i++) {
797 		struct hda_verb **v = snd_array_elem(&codec->verbs, i);
798 		snd_hda_sequence_write(codec, *v);
799 	}
800 }
801 EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
802 
803 /**
804  * snd_hda_apply_pincfgs - Set each pin config in the given list
805  * @codec: the HDA codec
806  * @cfg: NULL-terminated pin config table
807  */
808 void snd_hda_apply_pincfgs(struct hda_codec *codec,
809 			   const struct hda_pintbl *cfg)
810 {
811 	for (; cfg->nid; cfg++)
812 		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
813 }
814 EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
815 
816 static void set_pin_targets(struct hda_codec *codec,
817 			    const struct hda_pintbl *cfg)
818 {
819 	for (; cfg->nid; cfg++)
820 		snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
821 }
822 
823 static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
824 {
825 	const char *modelname = codec->fixup_name;
826 
827 	while (id >= 0) {
828 		const struct hda_fixup *fix = codec->fixup_list + id;
829 
830 		if (fix->chained_before)
831 			apply_fixup(codec, fix->chain_id, action, depth + 1);
832 
833 		switch (fix->type) {
834 		case HDA_FIXUP_PINS:
835 			if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
836 				break;
837 			codec_dbg(codec, "%s: Apply pincfg for %s\n",
838 				    codec->core.chip_name, modelname);
839 			snd_hda_apply_pincfgs(codec, fix->v.pins);
840 			break;
841 		case HDA_FIXUP_VERBS:
842 			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
843 				break;
844 			codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
845 				    codec->core.chip_name, modelname);
846 			snd_hda_add_verbs(codec, fix->v.verbs);
847 			break;
848 		case HDA_FIXUP_FUNC:
849 			if (!fix->v.func)
850 				break;
851 			codec_dbg(codec, "%s: Apply fix-func for %s\n",
852 				    codec->core.chip_name, modelname);
853 			fix->v.func(codec, fix, action);
854 			break;
855 		case HDA_FIXUP_PINCTLS:
856 			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
857 				break;
858 			codec_dbg(codec, "%s: Apply pinctl for %s\n",
859 				    codec->core.chip_name, modelname);
860 			set_pin_targets(codec, fix->v.pins);
861 			break;
862 		default:
863 			codec_err(codec, "%s: Invalid fixup type %d\n",
864 				   codec->core.chip_name, fix->type);
865 			break;
866 		}
867 		if (!fix->chained || fix->chained_before)
868 			break;
869 		if (++depth > 10)
870 			break;
871 		id = fix->chain_id;
872 	}
873 }
874 
875 /**
876  * snd_hda_apply_fixup - Apply the fixup chain with the given action
877  * @codec: the HDA codec
878  * @action: fixup action (HDA_FIXUP_ACT_XXX)
879  */
880 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
881 {
882 	if (codec->fixup_list)
883 		apply_fixup(codec, codec->fixup_id, action, 0);
884 }
885 EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
886 
887 static bool pin_config_match(struct hda_codec *codec,
888 			     const struct hda_pintbl *pins)
889 {
890 	int i;
891 
892 	for (i = 0; i < codec->init_pins.used; i++) {
893 		struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
894 		hda_nid_t nid = pin->nid;
895 		u32 cfg = pin->cfg;
896 		const struct hda_pintbl *t_pins;
897 		int found;
898 
899 		t_pins = pins;
900 		found = 0;
901 		for (; t_pins->nid; t_pins++) {
902 			if (t_pins->nid == nid) {
903 				found = 1;
904 				if (t_pins->val == cfg)
905 					break;
906 				else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
907 					break;
908 				else
909 					return false;
910 			}
911 		}
912 		if (!found && (cfg & 0xf0000000) != 0x40000000)
913 			return false;
914 	}
915 
916 	return true;
917 }
918 
919 /**
920  * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
921  * @codec: the HDA codec
922  * @pin_quirk: zero-terminated pin quirk list
923  * @fixlist: the fixup list
924  */
925 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
926 			    const struct snd_hda_pin_quirk *pin_quirk,
927 			    const struct hda_fixup *fixlist)
928 {
929 	const struct snd_hda_pin_quirk *pq;
930 
931 	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
932 		return;
933 
934 	for (pq = pin_quirk; pq->subvendor; pq++) {
935 		if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
936 			continue;
937 		if (codec->core.vendor_id != pq->codec)
938 			continue;
939 		if (pin_config_match(codec, pq->pins)) {
940 			codec->fixup_id = pq->value;
941 #ifdef CONFIG_SND_DEBUG_VERBOSE
942 			codec->fixup_name = pq->name;
943 			codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
944 				  codec->core.chip_name, codec->fixup_name);
945 #endif
946 			codec->fixup_list = fixlist;
947 			return;
948 		}
949 	}
950 }
951 EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
952 
953 /**
954  * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
955  * @codec: the HDA codec
956  * @models: NULL-terminated model string list
957  * @quirk: zero-terminated PCI/codec SSID quirk list
958  * @fixlist: the fixup list
959  *
960  * Pick up a fixup entry matching with the given model string or SSID.
961  * If a fixup was already set beforehand, the function doesn't do anything.
962  * When a special model string "nofixup" is given, also no fixup is applied.
963  *
964  * The function tries to find the matching model name at first, if given.
965  * If nothing matched, try to look up the PCI SSID.
966  * If still nothing matched, try to look up the codec SSID.
967  */
968 void snd_hda_pick_fixup(struct hda_codec *codec,
969 			const struct hda_model_fixup *models,
970 			const struct snd_pci_quirk *quirk,
971 			const struct hda_fixup *fixlist)
972 {
973 	const struct snd_pci_quirk *q;
974 	int id = HDA_FIXUP_ID_NOT_SET;
975 	const char *name = NULL;
976 
977 	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
978 		return;
979 
980 	/* when model=nofixup is given, don't pick up any fixups */
981 	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
982 		codec->fixup_list = NULL;
983 		codec->fixup_name = NULL;
984 		codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
985 		codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
986 			  codec->core.chip_name);
987 		return;
988 	}
989 
990 	if (codec->modelname && models) {
991 		while (models->name) {
992 			if (!strcmp(codec->modelname, models->name)) {
993 				codec->fixup_id = models->id;
994 				codec->fixup_name = models->name;
995 				codec->fixup_list = fixlist;
996 				codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
997 					  codec->core.chip_name, codec->fixup_name);
998 				return;
999 			}
1000 			models++;
1001 		}
1002 	}
1003 	if (quirk) {
1004 		q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
1005 		if (q) {
1006 			id = q->value;
1007 #ifdef CONFIG_SND_DEBUG_VERBOSE
1008 			name = q->name;
1009 			codec_dbg(codec, "%s: picked fixup %s (PCI SSID%s)\n",
1010 				  codec->core.chip_name, name, q->subdevice_mask ? "" : " - vendor generic");
1011 #endif
1012 		}
1013 	}
1014 	if (id < 0 && quirk) {
1015 		for (q = quirk; q->subvendor || q->subdevice; q++) {
1016 			unsigned int vendorid =
1017 				q->subdevice | (q->subvendor << 16);
1018 			unsigned int mask = 0xffff0000 | q->subdevice_mask;
1019 			if ((codec->core.subsystem_id & mask) == (vendorid & mask)) {
1020 				id = q->value;
1021 #ifdef CONFIG_SND_DEBUG_VERBOSE
1022 				name = q->name;
1023 				codec_dbg(codec, "%s: picked fixup %s (codec SSID)\n",
1024 					  codec->core.chip_name, name);
1025 #endif
1026 				break;
1027 			}
1028 		}
1029 	}
1030 
1031 	codec->fixup_id = id;
1032 	if (id >= 0) {
1033 		codec->fixup_list = fixlist;
1034 		codec->fixup_name = name;
1035 	}
1036 }
1037 EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
1038