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TOMOYO Linux Cross Reference
Linux/sound/pci/hda/hda_auto_parser.c

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  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 <sound/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         has_multiple_pins |= codec->force_pin_prefix;
584         return hda_get_input_pin_label(codec, &cfg->inputs[input],
585                                        cfg->inputs[input].pin,
586                                        has_multiple_pins);
587 }
588 EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
589 
590 /* return the position of NID in the list, or -1 if not found */
591 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
592 {
593         int i;
594         for (i = 0; i < nums; i++)
595                 if (list[i] == nid)
596                         return i;
597         return -1;
598 }
599 
600 /* get a unique suffix or an index number */
601 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
602                                     int num_pins, int *indexp)
603 {
604         static const char * const channel_sfx[] = {
605                 " Front", " Surround", " CLFE", " Side"
606         };
607         int i;
608 
609         i = find_idx_in_nid_list(nid, pins, num_pins);
610         if (i < 0)
611                 return NULL;
612         if (num_pins == 1)
613                 return "";
614         if (num_pins > ARRAY_SIZE(channel_sfx)) {
615                 if (indexp)
616                         *indexp = i;
617                 return "";
618         }
619         return channel_sfx[i];
620 }
621 
622 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
623 {
624         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
625         int attr = snd_hda_get_input_pin_attr(def_conf);
626 
627         /* check the location */
628         switch (attr) {
629         case INPUT_PIN_ATTR_DOCK:
630                 return "Dock ";
631         case INPUT_PIN_ATTR_FRONT:
632                 return "Front ";
633         }
634         return "";
635 }
636 
637 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
638                               const hda_nid_t *pins, int num_pins)
639 {
640         int i, j, idx = 0;
641 
642         const char *pfx = check_output_pfx(codec, nid);
643 
644         i = find_idx_in_nid_list(nid, pins, num_pins);
645         if (i < 0)
646                 return -1;
647         for (j = 0; j < i; j++)
648                 if (pfx == check_output_pfx(codec, pins[j]))
649                         idx++;
650 
651         return idx;
652 }
653 
654 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
655                                const struct auto_pin_cfg *cfg,
656                                const char *name, char *label, int maxlen,
657                                int *indexp)
658 {
659         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
660         int attr = snd_hda_get_input_pin_attr(def_conf);
661         const char *pfx, *sfx = "";
662 
663         /* handle as a speaker if it's a fixed line-out */
664         if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
665                 name = "Speaker";
666         pfx = check_output_pfx(codec, nid);
667 
668         if (cfg) {
669                 /* try to give a unique suffix if needed */
670                 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
671                                        indexp);
672                 if (!sfx)
673                         sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
674                                                indexp);
675                 if (!sfx) {
676                         /* don't add channel suffix for Headphone controls */
677                         int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
678                                                      cfg->hp_outs);
679                         if (idx >= 0 && indexp)
680                                 *indexp = idx;
681                         sfx = "";
682                 }
683         }
684         snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
685         return 1;
686 }
687 
688 #define is_hdmi_cfg(conf) \
689         (get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
690 
691 /**
692  * snd_hda_get_pin_label - Get a label for the given I/O pin
693  * @codec: the HDA codec
694  * @nid: pin NID
695  * @cfg: the parsed pin configuration
696  * @label: the string buffer to store
697  * @maxlen: the max length of string buffer (including termination)
698  * @indexp: the pointer to return the index number (for multiple ctls)
699  *
700  * Get a label for the given pin.  This function works for both input and
701  * output pins.  When @cfg is given as non-NULL, the function tries to get
702  * an optimized label using hda_get_autocfg_input_label().
703  *
704  * This function tries to give a unique label string for the pin as much as
705  * possible.  For example, when the multiple line-outs are present, it adds
706  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
707  * If no unique name with a suffix is available and @indexp is non-NULL, the
708  * index number is stored in the pointer.
709  */
710 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
711                           const struct auto_pin_cfg *cfg,
712                           char *label, int maxlen, int *indexp)
713 {
714         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
715         const char *name = NULL;
716         int i;
717         bool hdmi;
718 
719         if (indexp)
720                 *indexp = 0;
721         if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
722                 return 0;
723 
724         switch (get_defcfg_device(def_conf)) {
725         case AC_JACK_LINE_OUT:
726                 return fill_audio_out_name(codec, nid, cfg, "Line Out",
727                                            label, maxlen, indexp);
728         case AC_JACK_SPEAKER:
729                 return fill_audio_out_name(codec, nid, cfg, "Speaker",
730                                            label, maxlen, indexp);
731         case AC_JACK_HP_OUT:
732                 return fill_audio_out_name(codec, nid, cfg, "Headphone",
733                                            label, maxlen, indexp);
734         case AC_JACK_SPDIF_OUT:
735         case AC_JACK_DIG_OTHER_OUT:
736                 hdmi = is_hdmi_cfg(def_conf);
737                 name = hdmi ? "HDMI" : "SPDIF";
738                 if (cfg && indexp)
739                         for (i = 0; i < cfg->dig_outs; i++) {
740                                 hda_nid_t pin = cfg->dig_out_pins[i];
741                                 unsigned int c;
742                                 if (pin == nid)
743                                         break;
744                                 c = snd_hda_codec_get_pincfg(codec, pin);
745                                 if (hdmi == is_hdmi_cfg(c))
746                                         (*indexp)++;
747                         }
748                 break;
749         default:
750                 if (cfg) {
751                         for (i = 0; i < cfg->num_inputs; i++) {
752                                 if (cfg->inputs[i].pin != nid)
753                                         continue;
754                                 name = hda_get_autocfg_input_label(codec, cfg, i);
755                                 if (name)
756                                         break;
757                         }
758                 }
759                 if (!name)
760                         name = hda_get_input_pin_label(codec, NULL, nid, true);
761                 break;
762         }
763         if (!name)
764                 return 0;
765         strlcpy(label, name, maxlen);
766         return 1;
767 }
768 EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
769 
770 /**
771  * snd_hda_add_verbs - Add verbs to the init list
772  * @codec: the HDA codec
773  * @list: zero-terminated verb list to add
774  *
775  * Append the given verb list to the execution list.  The verbs will be
776  * performed at init and resume time via snd_hda_apply_verbs().
777  */
778 int snd_hda_add_verbs(struct hda_codec *codec,
779                       const struct hda_verb *list)
780 {
781         const struct hda_verb **v;
782         v = snd_array_new(&codec->verbs);
783         if (!v)
784                 return -ENOMEM;
785         *v = list;
786         return 0;
787 }
788 EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
789 
790 /**
791  * snd_hda_apply_verbs - Execute the init verb lists
792  * @codec: the HDA codec
793  */
794 void snd_hda_apply_verbs(struct hda_codec *codec)
795 {
796         const struct hda_verb **v;
797         int i;
798 
799         snd_array_for_each(&codec->verbs, i, v)
800                 snd_hda_sequence_write(codec, *v);
801 }
802 EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
803 
804 /**
805  * snd_hda_apply_pincfgs - Set each pin config in the given list
806  * @codec: the HDA codec
807  * @cfg: NULL-terminated pin config table
808  */
809 void snd_hda_apply_pincfgs(struct hda_codec *codec,
810                            const struct hda_pintbl *cfg)
811 {
812         for (; cfg->nid; cfg++)
813                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
814 }
815 EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
816 
817 static void set_pin_targets(struct hda_codec *codec,
818                             const struct hda_pintbl *cfg)
819 {
820         for (; cfg->nid; cfg++)
821                 snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
822 }
823 
824 static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
825 {
826         const char *modelname = codec->fixup_name;
827 
828         while (id >= 0) {
829                 const struct hda_fixup *fix = codec->fixup_list + id;
830 
831                 if (fix->chained_before)
832                         apply_fixup(codec, fix->chain_id, action, depth + 1);
833 
834                 switch (fix->type) {
835                 case HDA_FIXUP_PINS:
836                         if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
837                                 break;
838                         codec_dbg(codec, "%s: Apply pincfg for %s\n",
839                                     codec->core.chip_name, modelname);
840                         snd_hda_apply_pincfgs(codec, fix->v.pins);
841                         break;
842                 case HDA_FIXUP_VERBS:
843                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
844                                 break;
845                         codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
846                                     codec->core.chip_name, modelname);
847                         snd_hda_add_verbs(codec, fix->v.verbs);
848                         break;
849                 case HDA_FIXUP_FUNC:
850                         if (!fix->v.func)
851                                 break;
852                         codec_dbg(codec, "%s: Apply fix-func for %s\n",
853                                     codec->core.chip_name, modelname);
854                         fix->v.func(codec, fix, action);
855                         break;
856                 case HDA_FIXUP_PINCTLS:
857                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
858                                 break;
859                         codec_dbg(codec, "%s: Apply pinctl for %s\n",
860                                     codec->core.chip_name, modelname);
861                         set_pin_targets(codec, fix->v.pins);
862                         break;
863                 default:
864                         codec_err(codec, "%s: Invalid fixup type %d\n",
865                                    codec->core.chip_name, fix->type);
866                         break;
867                 }
868                 if (!fix->chained || fix->chained_before)
869                         break;
870                 if (++depth > 10)
871                         break;
872                 id = fix->chain_id;
873         }
874 }
875 
876 /**
877  * snd_hda_apply_fixup - Apply the fixup chain with the given action
878  * @codec: the HDA codec
879  * @action: fixup action (HDA_FIXUP_ACT_XXX)
880  */
881 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
882 {
883         if (codec->fixup_list)
884                 apply_fixup(codec, codec->fixup_id, action, 0);
885 }
886 EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
887 
888 #define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
889 
890 static bool pin_config_match(struct hda_codec *codec,
891                              const struct hda_pintbl *pins)
892 {
893         const struct hda_pincfg *pin;
894         int i;
895 
896         snd_array_for_each(&codec->init_pins, i, pin) {
897                 hda_nid_t nid = pin->nid;
898                 u32 cfg = pin->cfg;
899                 const struct hda_pintbl *t_pins;
900                 int found;
901 
902                 t_pins = pins;
903                 found = 0;
904                 for (; t_pins->nid; t_pins++) {
905                         if (t_pins->nid == nid) {
906                                 found = 1;
907                                 if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
908                                         break;
909                                 else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
910                                         break;
911                                 else
912                                         return false;
913                         }
914                 }
915                 if (!found && (cfg & 0xf0000000) != 0x40000000)
916                         return false;
917         }
918 
919         return true;
920 }
921 
922 /**
923  * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
924  * @codec: the HDA codec
925  * @pin_quirk: zero-terminated pin quirk list
926  * @fixlist: the fixup list
927  */
928 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
929                             const struct snd_hda_pin_quirk *pin_quirk,
930                             const struct hda_fixup *fixlist)
931 {
932         const struct snd_hda_pin_quirk *pq;
933 
934         if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
935                 return;
936 
937         for (pq = pin_quirk; pq->subvendor; pq++) {
938                 if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
939                         continue;
940                 if (codec->core.vendor_id != pq->codec)
941                         continue;
942                 if (pin_config_match(codec, pq->pins)) {
943                         codec->fixup_id = pq->value;
944 #ifdef CONFIG_SND_DEBUG_VERBOSE
945                         codec->fixup_name = pq->name;
946                         codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
947                                   codec->core.chip_name, codec->fixup_name);
948 #endif
949                         codec->fixup_list = fixlist;
950                         return;
951                 }
952         }
953 }
954 EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
955 
956 /**
957  * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
958  * @codec: the HDA codec
959  * @models: NULL-terminated model string list
960  * @quirk: zero-terminated PCI/codec SSID quirk list
961  * @fixlist: the fixup list
962  *
963  * Pick up a fixup entry matching with the given model string or SSID.
964  * If a fixup was already set beforehand, the function doesn't do anything.
965  * When a special model string "nofixup" is given, also no fixup is applied.
966  *
967  * The function tries to find the matching model name at first, if given.
968  * If nothing matched, try to look up the PCI SSID.
969  * If still nothing matched, try to look up the codec SSID.
970  */
971 void snd_hda_pick_fixup(struct hda_codec *codec,
972                         const struct hda_model_fixup *models,
973                         const struct snd_pci_quirk *quirk,
974                         const struct hda_fixup *fixlist)
975 {
976         const struct snd_pci_quirk *q;
977         int id = HDA_FIXUP_ID_NOT_SET;
978         const char *name = NULL;
979 
980         if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
981                 return;
982 
983         /* when model=nofixup is given, don't pick up any fixups */
984         if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
985                 codec->fixup_list = NULL;
986                 codec->fixup_name = NULL;
987                 codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
988                 codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
989                           codec->core.chip_name);
990                 return;
991         }
992 
993         if (codec->modelname && models) {
994                 while (models->name) {
995                         if (!strcmp(codec->modelname, models->name)) {
996                                 codec->fixup_id = models->id;
997                                 codec->fixup_name = models->name;
998                                 codec->fixup_list = fixlist;
999                                 codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
1000                                           codec->core.chip_name, codec->fixup_name);
1001                                 return;
1002                         }
1003                         models++;
1004                 }
1005         }
1006         if (quirk) {
1007                 q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
1008                 if (q) {
1009                         id = q->value;
1010 #ifdef CONFIG_SND_DEBUG_VERBOSE
1011                         name = q->name;
1012                         codec_dbg(codec, "%s: picked fixup %s (PCI SSID%s)\n",
1013                                   codec->core.chip_name, name, q->subdevice_mask ? "" : " - vendor generic");
1014 #endif
1015                 }
1016         }
1017         if (id < 0 && quirk) {
1018                 for (q = quirk; q->subvendor || q->subdevice; q++) {
1019                         unsigned int vendorid =
1020                                 q->subdevice | (q->subvendor << 16);
1021                         unsigned int mask = 0xffff0000 | q->subdevice_mask;
1022                         if ((codec->core.subsystem_id & mask) == (vendorid & mask)) {
1023                                 id = q->value;
1024 #ifdef CONFIG_SND_DEBUG_VERBOSE
1025                                 name = q->name;
1026                                 codec_dbg(codec, "%s: picked fixup %s (codec SSID)\n",
1027                                           codec->core.chip_name, name);
1028 #endif
1029                                 break;
1030                         }
1031                 }
1032         }
1033 
1034         codec->fixup_id = id;
1035         if (id >= 0) {
1036                 codec->fixup_list = fixlist;
1037                 codec->fixup_name = name;
1038         }
1039 }
1040 EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
1041 

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