xref: /openbmc/linux/sound/pci/hda/hda_auto_parser.c (revision 32c2e6dd)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * BIOS auto-parser helper functions for HD-audio
4  *
5  * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
6  */
7 
8 #include <linux/slab.h>
9 #include <linux/export.h>
10 #include <linux/sort.h>
11 #include <sound/core.h>
12 #include <sound/hda_codec.h>
13 #include "hda_local.h"
14 #include "hda_auto_parser.h"
15 
16 /*
17  * Helper for automatic pin configuration
18  */
19 
20 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
21 {
22 	for (; *list; list++)
23 		if (*list == nid)
24 			return 1;
25 	return 0;
26 }
27 
28 /* a pair of input pin and its sequence */
29 struct auto_out_pin {
30 	hda_nid_t pin;
31 	short seq;
32 };
33 
34 static int compare_seq(const void *ap, const void *bp)
35 {
36 	const struct auto_out_pin *a = ap;
37 	const struct auto_out_pin *b = bp;
38 	return (int)(a->seq - b->seq);
39 }
40 
41 /*
42  * Sort an associated group of pins according to their sequence numbers.
43  * then store it to a pin array.
44  */
45 static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
46 				  int num_pins)
47 {
48 	int i;
49 	sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
50 	for (i = 0; i < num_pins; i++)
51 		pins[i] = list[i].pin;
52 }
53 
54 
55 /* add the found input-pin to the cfg->inputs[] table */
56 static void add_auto_cfg_input_pin(struct hda_codec *codec, struct auto_pin_cfg *cfg,
57 				   hda_nid_t nid, int type)
58 {
59 	if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
60 		cfg->inputs[cfg->num_inputs].pin = nid;
61 		cfg->inputs[cfg->num_inputs].type = type;
62 		cfg->inputs[cfg->num_inputs].has_boost_on_pin =
63 			nid_has_volume(codec, nid, HDA_INPUT);
64 		cfg->num_inputs++;
65 	}
66 }
67 
68 static int compare_input_type(const void *ap, const void *bp)
69 {
70 	const struct auto_pin_cfg_item *a = ap;
71 	const struct auto_pin_cfg_item *b = bp;
72 	if (a->type != b->type)
73 		return (int)(a->type - b->type);
74 
75 	/* If has both hs_mic and hp_mic, pick the hs_mic ahead of hp_mic. */
76 	if (a->is_headset_mic && b->is_headphone_mic)
77 		return -1; /* don't swap */
78 	else if (a->is_headphone_mic && b->is_headset_mic)
79 		return 1; /* swap */
80 
81 	/* In case one has boost and the other one has not,
82 	   pick the one with boost first. */
83 	return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
84 }
85 
86 /* Reorder the surround channels
87  * ALSA sequence is front/surr/clfe/side
88  * HDA sequence is:
89  *    4-ch: front/surr  =>  OK as it is
90  *    6-ch: front/clfe/surr
91  *    8-ch: front/clfe/rear/side|fc
92  */
93 static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
94 {
95 	hda_nid_t nid;
96 
97 	switch (nums) {
98 	case 3:
99 	case 4:
100 		nid = pins[1];
101 		pins[1] = pins[2];
102 		pins[2] = nid;
103 		break;
104 	}
105 }
106 
107 /* check whether the given pin has a proper pin I/O capability bit */
108 static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
109 				  unsigned int dev)
110 {
111 	unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
112 
113 	/* some old hardware don't return the proper pincaps */
114 	if (!pincap)
115 		return true;
116 
117 	switch (dev) {
118 	case AC_JACK_LINE_OUT:
119 	case AC_JACK_SPEAKER:
120 	case AC_JACK_HP_OUT:
121 	case AC_JACK_SPDIF_OUT:
122 	case AC_JACK_DIG_OTHER_OUT:
123 		return !!(pincap & AC_PINCAP_OUT);
124 	default:
125 		return !!(pincap & AC_PINCAP_IN);
126 	}
127 }
128 
129 static bool can_be_headset_mic(struct hda_codec *codec,
130 			       struct auto_pin_cfg_item *item,
131 			       int seq_number)
132 {
133 	int attr;
134 	unsigned int def_conf;
135 	if (item->type != AUTO_PIN_MIC)
136 		return false;
137 
138 	if (item->is_headset_mic || item->is_headphone_mic)
139 		return false; /* Already assigned */
140 
141 	def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
142 	attr = snd_hda_get_input_pin_attr(def_conf);
143 	if (attr <= INPUT_PIN_ATTR_DOCK)
144 		return false;
145 
146 	if (seq_number >= 0) {
147 		int seq = get_defcfg_sequence(def_conf);
148 		if (seq != seq_number)
149 			return false;
150 	}
151 
152 	return true;
153 }
154 
155 /*
156  * Parse all pin widgets and store the useful pin nids to cfg
157  *
158  * The number of line-outs or any primary output is stored in line_outs,
159  * and the corresponding output pins are assigned to line_out_pins[],
160  * in the order of front, rear, CLFE, side, ...
161  *
162  * If more extra outputs (speaker and headphone) are found, the pins are
163  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
164  * is detected, one of speaker of HP pins is assigned as the primary
165  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
166  * if any analog output exists.
167  *
168  * The analog input pins are assigned to inputs array.
169  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
170  * respectively.
171  */
172 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
173 			     struct auto_pin_cfg *cfg,
174 			     const hda_nid_t *ignore_nids,
175 			     unsigned int cond_flags)
176 {
177 	hda_nid_t nid;
178 	short seq, assoc_line_out;
179 	struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
180 	struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
181 	struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
182 	int i;
183 
184 	if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
185 		cond_flags = i;
186 
187 	memset(cfg, 0, sizeof(*cfg));
188 
189 	memset(line_out, 0, sizeof(line_out));
190 	memset(speaker_out, 0, sizeof(speaker_out));
191 	memset(hp_out, 0, sizeof(hp_out));
192 	assoc_line_out = 0;
193 
194 	for_each_hda_codec_node(nid, codec) {
195 		unsigned int wid_caps = get_wcaps(codec, nid);
196 		unsigned int wid_type = get_wcaps_type(wid_caps);
197 		unsigned int def_conf;
198 		short assoc, loc, conn, dev;
199 
200 		/* read all default configuration for pin complex */
201 		if (wid_type != AC_WID_PIN)
202 			continue;
203 		/* ignore the given nids (e.g. pc-beep returns error) */
204 		if (ignore_nids && is_in_nid_list(nid, ignore_nids))
205 			continue;
206 
207 		def_conf = snd_hda_codec_get_pincfg(codec, nid);
208 		conn = get_defcfg_connect(def_conf);
209 		if (conn == AC_JACK_PORT_NONE)
210 			continue;
211 		loc = get_defcfg_location(def_conf);
212 		dev = get_defcfg_device(def_conf);
213 
214 		/* workaround for buggy BIOS setups */
215 		if (dev == AC_JACK_LINE_OUT) {
216 			if (conn == AC_JACK_PORT_FIXED ||
217 			    conn == AC_JACK_PORT_BOTH)
218 				dev = AC_JACK_SPEAKER;
219 		}
220 
221 		if (!check_pincap_validity(codec, nid, dev))
222 			continue;
223 
224 		switch (dev) {
225 		case AC_JACK_LINE_OUT:
226 			seq = get_defcfg_sequence(def_conf);
227 			assoc = get_defcfg_association(def_conf);
228 
229 			if (!(wid_caps & AC_WCAP_STEREO))
230 				if (!cfg->mono_out_pin)
231 					cfg->mono_out_pin = nid;
232 			if (!assoc)
233 				continue;
234 			if (!assoc_line_out)
235 				assoc_line_out = assoc;
236 			else if (assoc_line_out != assoc) {
237 				codec_info(codec,
238 					   "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
239 					   nid, assoc, assoc_line_out);
240 				continue;
241 			}
242 			if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
243 				codec_info(codec,
244 					   "ignore pin 0x%x, too many assigned pins\n",
245 					   nid);
246 				continue;
247 			}
248 			line_out[cfg->line_outs].pin = nid;
249 			line_out[cfg->line_outs].seq = seq;
250 			cfg->line_outs++;
251 			break;
252 		case AC_JACK_SPEAKER:
253 			seq = get_defcfg_sequence(def_conf);
254 			assoc = get_defcfg_association(def_conf);
255 			if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
256 				codec_info(codec,
257 					   "ignore pin 0x%x, too many assigned pins\n",
258 					   nid);
259 				continue;
260 			}
261 			speaker_out[cfg->speaker_outs].pin = nid;
262 			speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
263 			cfg->speaker_outs++;
264 			break;
265 		case AC_JACK_HP_OUT:
266 			seq = get_defcfg_sequence(def_conf);
267 			assoc = get_defcfg_association(def_conf);
268 			if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
269 				codec_info(codec,
270 					   "ignore pin 0x%x, too many assigned pins\n",
271 					   nid);
272 				continue;
273 			}
274 			hp_out[cfg->hp_outs].pin = nid;
275 			hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
276 			cfg->hp_outs++;
277 			break;
278 		case AC_JACK_MIC_IN:
279 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
280 			break;
281 		case AC_JACK_LINE_IN:
282 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
283 			break;
284 		case AC_JACK_CD:
285 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
286 			break;
287 		case AC_JACK_AUX:
288 			add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
289 			break;
290 		case AC_JACK_SPDIF_OUT:
291 		case AC_JACK_DIG_OTHER_OUT:
292 			if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
293 				codec_info(codec,
294 					   "ignore pin 0x%x, too many assigned pins\n",
295 					   nid);
296 				continue;
297 			}
298 			cfg->dig_out_pins[cfg->dig_outs] = nid;
299 			cfg->dig_out_type[cfg->dig_outs] =
300 				(loc == AC_JACK_LOC_HDMI) ?
301 				HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
302 			cfg->dig_outs++;
303 			break;
304 		case AC_JACK_SPDIF_IN:
305 		case AC_JACK_DIG_OTHER_IN:
306 			cfg->dig_in_pin = nid;
307 			if (loc == AC_JACK_LOC_HDMI)
308 				cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
309 			else
310 				cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
311 			break;
312 		}
313 	}
314 
315 	/* Find a pin that could be a headset or headphone mic */
316 	if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
317 		bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
318 		bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
319 		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
320 			if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
321 				cfg->inputs[i].is_headset_mic = 1;
322 				hsmic = false;
323 			} else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
324 				cfg->inputs[i].is_headphone_mic = 1;
325 				hpmic = false;
326 			}
327 
328 		/* If we didn't find our sequence number mark, fall back to any sequence number */
329 		for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
330 			if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
331 				continue;
332 			if (hsmic) {
333 				cfg->inputs[i].is_headset_mic = 1;
334 				hsmic = false;
335 			} else if (hpmic) {
336 				cfg->inputs[i].is_headphone_mic = 1;
337 				hpmic = false;
338 			}
339 		}
340 
341 		if (hsmic)
342 			codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
343 		if (hpmic)
344 			codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
345 	}
346 
347 	/* FIX-UP:
348 	 * If no line-out is defined but multiple HPs are found,
349 	 * some of them might be the real line-outs.
350 	 */
351 	if (!cfg->line_outs && cfg->hp_outs > 1 &&
352 	    !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
353 		i = 0;
354 		while (i < cfg->hp_outs) {
355 			/* The real HPs should have the sequence 0x0f */
356 			if ((hp_out[i].seq & 0x0f) == 0x0f) {
357 				i++;
358 				continue;
359 			}
360 			/* Move it to the line-out table */
361 			line_out[cfg->line_outs++] = hp_out[i];
362 			cfg->hp_outs--;
363 			memmove(hp_out + i, hp_out + i + 1,
364 				sizeof(hp_out[0]) * (cfg->hp_outs - i));
365 		}
366 		memset(hp_out + cfg->hp_outs, 0,
367 		       sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
368 		if (!cfg->hp_outs)
369 			cfg->line_out_type = AUTO_PIN_HP_OUT;
370 
371 	}
372 
373 	/* sort by sequence */
374 	sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
375 	sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
376 			      cfg->speaker_outs);
377 	sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
378 
379 	/*
380 	 * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
381 	 * as a primary output
382 	 */
383 	if (!cfg->line_outs &&
384 	    !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
385 		if (cfg->speaker_outs) {
386 			cfg->line_outs = cfg->speaker_outs;
387 			memcpy(cfg->line_out_pins, cfg->speaker_pins,
388 			       sizeof(cfg->speaker_pins));
389 			cfg->speaker_outs = 0;
390 			memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
391 			cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
392 		} else if (cfg->hp_outs) {
393 			cfg->line_outs = cfg->hp_outs;
394 			memcpy(cfg->line_out_pins, cfg->hp_pins,
395 			       sizeof(cfg->hp_pins));
396 			cfg->hp_outs = 0;
397 			memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
398 			cfg->line_out_type = AUTO_PIN_HP_OUT;
399 		}
400 	}
401 
402 	reorder_outputs(cfg->line_outs, cfg->line_out_pins);
403 	reorder_outputs(cfg->hp_outs, cfg->hp_pins);
404 	reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
405 
406 	/* sort inputs in the order of AUTO_PIN_* type */
407 	sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
408 	     compare_input_type, NULL);
409 
410 	/*
411 	 * debug prints of the parsed results
412 	 */
413 	codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
414 		   codec->core.chip_name, cfg->line_outs, cfg->line_out_pins[0],
415 		   cfg->line_out_pins[1], cfg->line_out_pins[2],
416 		   cfg->line_out_pins[3], cfg->line_out_pins[4],
417 		   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
418 		   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
419 		    "speaker" : "line"));
420 	codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
421 		   cfg->speaker_outs, cfg->speaker_pins[0],
422 		   cfg->speaker_pins[1], cfg->speaker_pins[2],
423 		   cfg->speaker_pins[3], cfg->speaker_pins[4]);
424 	codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
425 		   cfg->hp_outs, cfg->hp_pins[0],
426 		   cfg->hp_pins[1], cfg->hp_pins[2],
427 		   cfg->hp_pins[3], cfg->hp_pins[4]);
428 	codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
429 	if (cfg->dig_outs)
430 		codec_info(codec, "   dig-out=0x%x/0x%x\n",
431 			   cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
432 	codec_info(codec, "   inputs:\n");
433 	for (i = 0; i < cfg->num_inputs; i++) {
434 		codec_info(codec, "     %s=0x%x\n",
435 			    hda_get_autocfg_input_label(codec, cfg, i),
436 			    cfg->inputs[i].pin);
437 	}
438 	if (cfg->dig_in_pin)
439 		codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
440 
441 	return 0;
442 }
443 EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
444 
445 /**
446  * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
447  * @def_conf: pin configuration value
448  *
449  * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
450  * default pin configuration value.
451  */
452 int snd_hda_get_input_pin_attr(unsigned int def_conf)
453 {
454 	unsigned int loc = get_defcfg_location(def_conf);
455 	unsigned int conn = get_defcfg_connect(def_conf);
456 	if (conn == AC_JACK_PORT_NONE)
457 		return INPUT_PIN_ATTR_UNUSED;
458 	/* Windows may claim the internal mic to be BOTH, too */
459 	if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
460 		return INPUT_PIN_ATTR_INT;
461 	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
462 		return INPUT_PIN_ATTR_INT;
463 	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
464 		return INPUT_PIN_ATTR_DOCK;
465 	if (loc == AC_JACK_LOC_REAR)
466 		return INPUT_PIN_ATTR_REAR;
467 	if (loc == AC_JACK_LOC_FRONT)
468 		return INPUT_PIN_ATTR_FRONT;
469 	return INPUT_PIN_ATTR_NORMAL;
470 }
471 EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
472 
473 /**
474  * hda_get_input_pin_label - Give a label for the given input pin
475  * @codec: the HDA codec
476  * @item: ping config item to refer
477  * @pin: the pin NID
478  * @check_location: flag to add the jack location prefix
479  *
480  * When @check_location is true, the function checks the pin location
481  * for mic and line-in pins, and set an appropriate prefix like "Front",
482  * "Rear", "Internal".
483  */
484 static const char *hda_get_input_pin_label(struct hda_codec *codec,
485 					   const struct auto_pin_cfg_item *item,
486 					   hda_nid_t pin, bool check_location)
487 {
488 	unsigned int def_conf;
489 	static const char * const mic_names[] = {
490 		"Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
491 	};
492 	int attr;
493 
494 	def_conf = snd_hda_codec_get_pincfg(codec, pin);
495 
496 	switch (get_defcfg_device(def_conf)) {
497 	case AC_JACK_MIC_IN:
498 		if (item && item->is_headset_mic)
499 			return "Headset Mic";
500 		if (item && item->is_headphone_mic)
501 			return "Headphone Mic";
502 		if (!check_location)
503 			return "Mic";
504 		attr = snd_hda_get_input_pin_attr(def_conf);
505 		if (!attr)
506 			return "None";
507 		return mic_names[attr - 1];
508 	case AC_JACK_LINE_IN:
509 		if (!check_location)
510 			return "Line";
511 		attr = snd_hda_get_input_pin_attr(def_conf);
512 		if (!attr)
513 			return "None";
514 		if (attr == INPUT_PIN_ATTR_DOCK)
515 			return "Dock Line";
516 		return "Line";
517 	case AC_JACK_AUX:
518 		return "Aux";
519 	case AC_JACK_CD:
520 		return "CD";
521 	case AC_JACK_SPDIF_IN:
522 		return "SPDIF In";
523 	case AC_JACK_DIG_OTHER_IN:
524 		return "Digital In";
525 	case AC_JACK_HP_OUT:
526 		return "Headphone Mic";
527 	default:
528 		return "Misc";
529 	}
530 }
531 
532 /* Check whether the location prefix needs to be added to the label.
533  * If all mic-jacks are in the same location (e.g. rear panel), we don't
534  * have to put "Front" prefix to each label.  In such a case, returns false.
535  */
536 static int check_mic_location_need(struct hda_codec *codec,
537 				   const struct auto_pin_cfg *cfg,
538 				   int input)
539 {
540 	unsigned int defc;
541 	int i, attr, attr2;
542 
543 	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
544 	attr = snd_hda_get_input_pin_attr(defc);
545 	/* for internal or docking mics, we need locations */
546 	if (attr <= INPUT_PIN_ATTR_NORMAL)
547 		return 1;
548 
549 	attr = 0;
550 	for (i = 0; i < cfg->num_inputs; i++) {
551 		defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
552 		attr2 = snd_hda_get_input_pin_attr(defc);
553 		if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
554 			if (attr && attr != attr2)
555 				return 1; /* different locations found */
556 			attr = attr2;
557 		}
558 	}
559 	return 0;
560 }
561 
562 /**
563  * hda_get_autocfg_input_label - Get a label for the given input
564  * @codec: the HDA codec
565  * @cfg: the parsed pin configuration
566  * @input: the input index number
567  *
568  * Get a label for the given input pin defined by the autocfg item.
569  * Unlike hda_get_input_pin_label(), this function checks all inputs
570  * defined in autocfg and avoids the redundant mic/line prefix as much as
571  * possible.
572  */
573 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
574 					const struct auto_pin_cfg *cfg,
575 					int input)
576 {
577 	int type = cfg->inputs[input].type;
578 	int has_multiple_pins = 0;
579 
580 	if ((input > 0 && cfg->inputs[input - 1].type == type) ||
581 	    (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
582 		has_multiple_pins = 1;
583 	if (has_multiple_pins && type == AUTO_PIN_MIC)
584 		has_multiple_pins &= check_mic_location_need(codec, cfg, input);
585 	has_multiple_pins |= codec->force_pin_prefix;
586 	return hda_get_input_pin_label(codec, &cfg->inputs[input],
587 				       cfg->inputs[input].pin,
588 				       has_multiple_pins);
589 }
590 EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
591 
592 /* return the position of NID in the list, or -1 if not found */
593 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
594 {
595 	int i;
596 	for (i = 0; i < nums; i++)
597 		if (list[i] == nid)
598 			return i;
599 	return -1;
600 }
601 
602 /* get a unique suffix or an index number */
603 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
604 				    int num_pins, int *indexp)
605 {
606 	static const char * const channel_sfx[] = {
607 		" Front", " Surround", " CLFE", " Side"
608 	};
609 	int i;
610 
611 	i = find_idx_in_nid_list(nid, pins, num_pins);
612 	if (i < 0)
613 		return NULL;
614 	if (num_pins == 1)
615 		return "";
616 	if (num_pins > ARRAY_SIZE(channel_sfx)) {
617 		if (indexp)
618 			*indexp = i;
619 		return "";
620 	}
621 	return channel_sfx[i];
622 }
623 
624 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
625 {
626 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
627 	int attr = snd_hda_get_input_pin_attr(def_conf);
628 
629 	/* check the location */
630 	switch (attr) {
631 	case INPUT_PIN_ATTR_DOCK:
632 		return "Dock ";
633 	case INPUT_PIN_ATTR_FRONT:
634 		return "Front ";
635 	}
636 	return "";
637 }
638 
639 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
640 			      const hda_nid_t *pins, int num_pins)
641 {
642 	int i, j, idx = 0;
643 
644 	const char *pfx = check_output_pfx(codec, nid);
645 
646 	i = find_idx_in_nid_list(nid, pins, num_pins);
647 	if (i < 0)
648 		return -1;
649 	for (j = 0; j < i; j++)
650 		if (pfx == check_output_pfx(codec, pins[j]))
651 			idx++;
652 
653 	return idx;
654 }
655 
656 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
657 			       const struct auto_pin_cfg *cfg,
658 			       const char *name, char *label, int maxlen,
659 			       int *indexp)
660 {
661 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
662 	int attr = snd_hda_get_input_pin_attr(def_conf);
663 	const char *pfx, *sfx = "";
664 
665 	/* handle as a speaker if it's a fixed line-out */
666 	if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
667 		name = "Speaker";
668 	pfx = check_output_pfx(codec, nid);
669 
670 	if (cfg) {
671 		/* try to give a unique suffix if needed */
672 		sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
673 				       indexp);
674 		if (!sfx)
675 			sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
676 					       indexp);
677 		if (!sfx) {
678 			/* don't add channel suffix for Headphone controls */
679 			int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
680 						     cfg->hp_outs);
681 			if (idx >= 0 && indexp)
682 				*indexp = idx;
683 			sfx = "";
684 		}
685 	}
686 	snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
687 	return 1;
688 }
689 
690 #define is_hdmi_cfg(conf) \
691 	(get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
692 
693 /**
694  * snd_hda_get_pin_label - Get a label for the given I/O pin
695  * @codec: the HDA codec
696  * @nid: pin NID
697  * @cfg: the parsed pin configuration
698  * @label: the string buffer to store
699  * @maxlen: the max length of string buffer (including termination)
700  * @indexp: the pointer to return the index number (for multiple ctls)
701  *
702  * Get a label for the given pin.  This function works for both input and
703  * output pins.  When @cfg is given as non-NULL, the function tries to get
704  * an optimized label using hda_get_autocfg_input_label().
705  *
706  * This function tries to give a unique label string for the pin as much as
707  * possible.  For example, when the multiple line-outs are present, it adds
708  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
709  * If no unique name with a suffix is available and @indexp is non-NULL, the
710  * index number is stored in the pointer.
711  */
712 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
713 			  const struct auto_pin_cfg *cfg,
714 			  char *label, int maxlen, int *indexp)
715 {
716 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
717 	const char *name = NULL;
718 	int i;
719 	bool hdmi;
720 
721 	if (indexp)
722 		*indexp = 0;
723 	if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
724 		return 0;
725 
726 	switch (get_defcfg_device(def_conf)) {
727 	case AC_JACK_LINE_OUT:
728 		return fill_audio_out_name(codec, nid, cfg, "Line Out",
729 					   label, maxlen, indexp);
730 	case AC_JACK_SPEAKER:
731 		return fill_audio_out_name(codec, nid, cfg, "Speaker",
732 					   label, maxlen, indexp);
733 	case AC_JACK_HP_OUT:
734 		return fill_audio_out_name(codec, nid, cfg, "Headphone",
735 					   label, maxlen, indexp);
736 	case AC_JACK_SPDIF_OUT:
737 	case AC_JACK_DIG_OTHER_OUT:
738 		hdmi = is_hdmi_cfg(def_conf);
739 		name = hdmi ? "HDMI" : "SPDIF";
740 		if (cfg && indexp)
741 			for (i = 0; i < cfg->dig_outs; i++) {
742 				hda_nid_t pin = cfg->dig_out_pins[i];
743 				unsigned int c;
744 				if (pin == nid)
745 					break;
746 				c = snd_hda_codec_get_pincfg(codec, pin);
747 				if (hdmi == is_hdmi_cfg(c))
748 					(*indexp)++;
749 			}
750 		break;
751 	default:
752 		if (cfg) {
753 			for (i = 0; i < cfg->num_inputs; i++) {
754 				if (cfg->inputs[i].pin != nid)
755 					continue;
756 				name = hda_get_autocfg_input_label(codec, cfg, i);
757 				if (name)
758 					break;
759 			}
760 		}
761 		if (!name)
762 			name = hda_get_input_pin_label(codec, NULL, nid, true);
763 		break;
764 	}
765 	if (!name)
766 		return 0;
767 	strscpy(label, name, maxlen);
768 	return 1;
769 }
770 EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
771 
772 /**
773  * snd_hda_add_verbs - Add verbs to the init list
774  * @codec: the HDA codec
775  * @list: zero-terminated verb list to add
776  *
777  * Append the given verb list to the execution list.  The verbs will be
778  * performed at init and resume time via snd_hda_apply_verbs().
779  */
780 int snd_hda_add_verbs(struct hda_codec *codec,
781 		      const struct hda_verb *list)
782 {
783 	const struct hda_verb **v;
784 	v = snd_array_new(&codec->verbs);
785 	if (!v)
786 		return -ENOMEM;
787 	*v = list;
788 	return 0;
789 }
790 EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
791 
792 /**
793  * snd_hda_apply_verbs - Execute the init verb lists
794  * @codec: the HDA codec
795  */
796 void snd_hda_apply_verbs(struct hda_codec *codec)
797 {
798 	const struct hda_verb **v;
799 	int i;
800 
801 	snd_array_for_each(&codec->verbs, i, v)
802 		snd_hda_sequence_write(codec, *v);
803 }
804 EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
805 
806 /**
807  * snd_hda_apply_pincfgs - Set each pin config in the given list
808  * @codec: the HDA codec
809  * @cfg: NULL-terminated pin config table
810  */
811 void snd_hda_apply_pincfgs(struct hda_codec *codec,
812 			   const struct hda_pintbl *cfg)
813 {
814 	for (; cfg->nid; cfg++)
815 		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
816 }
817 EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
818 
819 static void set_pin_targets(struct hda_codec *codec,
820 			    const struct hda_pintbl *cfg)
821 {
822 	for (; cfg->nid; cfg++)
823 		snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
824 }
825 
826 static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
827 {
828 	const char *modelname = codec->fixup_name;
829 
830 	while (id >= 0) {
831 		const struct hda_fixup *fix = codec->fixup_list + id;
832 
833 		if (++depth > 10)
834 			break;
835 		if (fix->chained_before)
836 			apply_fixup(codec, fix->chain_id, action, depth + 1);
837 
838 		switch (fix->type) {
839 		case HDA_FIXUP_PINS:
840 			if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
841 				break;
842 			codec_dbg(codec, "%s: Apply pincfg for %s\n",
843 				    codec->core.chip_name, modelname);
844 			snd_hda_apply_pincfgs(codec, fix->v.pins);
845 			break;
846 		case HDA_FIXUP_VERBS:
847 			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
848 				break;
849 			codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
850 				    codec->core.chip_name, modelname);
851 			snd_hda_add_verbs(codec, fix->v.verbs);
852 			break;
853 		case HDA_FIXUP_FUNC:
854 			if (!fix->v.func)
855 				break;
856 			codec_dbg(codec, "%s: Apply fix-func for %s\n",
857 				    codec->core.chip_name, modelname);
858 			fix->v.func(codec, fix, action);
859 			break;
860 		case HDA_FIXUP_PINCTLS:
861 			if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
862 				break;
863 			codec_dbg(codec, "%s: Apply pinctl for %s\n",
864 				    codec->core.chip_name, modelname);
865 			set_pin_targets(codec, fix->v.pins);
866 			break;
867 		default:
868 			codec_err(codec, "%s: Invalid fixup type %d\n",
869 				   codec->core.chip_name, fix->type);
870 			break;
871 		}
872 		if (!fix->chained || fix->chained_before)
873 			break;
874 		id = fix->chain_id;
875 	}
876 }
877 
878 /**
879  * snd_hda_apply_fixup - Apply the fixup chain with the given action
880  * @codec: the HDA codec
881  * @action: fixup action (HDA_FIXUP_ACT_XXX)
882  */
883 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
884 {
885 	if (codec->fixup_list)
886 		apply_fixup(codec, codec->fixup_id, action, 0);
887 }
888 EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
889 
890 #define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
891 
892 static bool pin_config_match(struct hda_codec *codec,
893 			     const struct hda_pintbl *pins,
894 			     bool match_all_pins)
895 {
896 	const struct hda_pincfg *pin;
897 	int i;
898 
899 	snd_array_for_each(&codec->init_pins, i, pin) {
900 		hda_nid_t nid = pin->nid;
901 		u32 cfg = pin->cfg;
902 		const struct hda_pintbl *t_pins;
903 		int found;
904 
905 		t_pins = pins;
906 		found = 0;
907 		for (; t_pins->nid; t_pins++) {
908 			if (t_pins->nid == nid) {
909 				found = 1;
910 				if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
911 					break;
912 				else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
913 					break;
914 				else
915 					return false;
916 			}
917 		}
918 		if (match_all_pins &&
919 		    !found && (cfg & 0xf0000000) != 0x40000000)
920 			return false;
921 	}
922 
923 	return true;
924 }
925 
926 /**
927  * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
928  * @codec: the HDA codec
929  * @pin_quirk: zero-terminated pin quirk list
930  * @fixlist: the fixup list
931  * @match_all_pins: all valid pins must match with the table entries
932  */
933 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
934 			    const struct snd_hda_pin_quirk *pin_quirk,
935 			    const struct hda_fixup *fixlist,
936 			    bool match_all_pins)
937 {
938 	const struct snd_hda_pin_quirk *pq;
939 
940 	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
941 		return;
942 
943 	for (pq = pin_quirk; pq->subvendor; pq++) {
944 		if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
945 			continue;
946 		if (codec->core.vendor_id != pq->codec)
947 			continue;
948 		if (pin_config_match(codec, pq->pins, match_all_pins)) {
949 			codec->fixup_id = pq->value;
950 #ifdef CONFIG_SND_DEBUG_VERBOSE
951 			codec->fixup_name = pq->name;
952 			codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
953 				  codec->core.chip_name, codec->fixup_name);
954 #endif
955 			codec->fixup_list = fixlist;
956 			return;
957 		}
958 	}
959 }
960 EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
961 
962 /**
963  * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
964  * @codec: the HDA codec
965  * @models: NULL-terminated model string list
966  * @quirk: zero-terminated PCI/codec SSID quirk list
967  * @fixlist: the fixup list
968  *
969  * Pick up a fixup entry matching with the given model string or SSID.
970  * If a fixup was already set beforehand, the function doesn't do anything.
971  * When a special model string "nofixup" is given, also no fixup is applied.
972  *
973  * The function tries to find the matching model name at first, if given.
974  * If nothing matched, try to look up the PCI SSID.
975  * If still nothing matched, try to look up the codec SSID.
976  */
977 void snd_hda_pick_fixup(struct hda_codec *codec,
978 			const struct hda_model_fixup *models,
979 			const struct snd_pci_quirk *quirk,
980 			const struct hda_fixup *fixlist)
981 {
982 	const struct snd_pci_quirk *q;
983 	int id = HDA_FIXUP_ID_NOT_SET;
984 	const char *name = NULL;
985 
986 	if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
987 		return;
988 
989 	/* when model=nofixup is given, don't pick up any fixups */
990 	if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
991 		codec->fixup_list = NULL;
992 		codec->fixup_name = NULL;
993 		codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
994 		codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
995 			  codec->core.chip_name);
996 		return;
997 	}
998 
999 	if (codec->modelname && models) {
1000 		while (models->name) {
1001 			if (!strcmp(codec->modelname, models->name)) {
1002 				codec->fixup_id = models->id;
1003 				codec->fixup_name = models->name;
1004 				codec->fixup_list = fixlist;
1005 				codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
1006 					  codec->core.chip_name, codec->fixup_name);
1007 				return;
1008 			}
1009 			models++;
1010 		}
1011 	}
1012 	if (quirk) {
1013 		q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
1014 		if (q) {
1015 			id = q->value;
1016 #ifdef CONFIG_SND_DEBUG_VERBOSE
1017 			name = q->name;
1018 			codec_dbg(codec, "%s: picked fixup %s (PCI SSID%s)\n",
1019 				  codec->core.chip_name, name, q->subdevice_mask ? "" : " - vendor generic");
1020 #endif
1021 		}
1022 	}
1023 	if (id < 0 && quirk) {
1024 		for (q = quirk; q->subvendor || q->subdevice; q++) {
1025 			unsigned int vendorid =
1026 				q->subdevice | (q->subvendor << 16);
1027 			unsigned int mask = 0xffff0000 | q->subdevice_mask;
1028 			if ((codec->core.subsystem_id & mask) == (vendorid & mask)) {
1029 				id = q->value;
1030 #ifdef CONFIG_SND_DEBUG_VERBOSE
1031 				name = q->name;
1032 				codec_dbg(codec, "%s: picked fixup %s (codec SSID)\n",
1033 					  codec->core.chip_name, name);
1034 #endif
1035 				break;
1036 			}
1037 		}
1038 	}
1039 
1040 	codec->fixup_id = id;
1041 	if (id >= 0) {
1042 		codec->fixup_list = fixlist;
1043 		codec->fixup_name = name;
1044 	}
1045 }
1046 EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
1047