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

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  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         switch (nums) {
 96         case 3:
 97         case 4:
 98                 swap(pins[1], pins[2]);
 99                 break;
100         }
101 }
102 
103 /* check whether the given pin has a proper pin I/O capability bit */
104 static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
105                                   unsigned int dev)
106 {
107         unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
108 
109         /* some old hardware don't return the proper pincaps */
110         if (!pincap)
111                 return true;
112 
113         switch (dev) {
114         case AC_JACK_LINE_OUT:
115         case AC_JACK_SPEAKER:
116         case AC_JACK_HP_OUT:
117         case AC_JACK_SPDIF_OUT:
118         case AC_JACK_DIG_OTHER_OUT:
119                 return !!(pincap & AC_PINCAP_OUT);
120         default:
121                 return !!(pincap & AC_PINCAP_IN);
122         }
123 }
124 
125 static bool can_be_headset_mic(struct hda_codec *codec,
126                                struct auto_pin_cfg_item *item,
127                                int seq_number)
128 {
129         int attr;
130         unsigned int def_conf;
131         if (item->type != AUTO_PIN_MIC)
132                 return false;
133 
134         if (item->is_headset_mic || item->is_headphone_mic)
135                 return false; /* Already assigned */
136 
137         def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
138         attr = snd_hda_get_input_pin_attr(def_conf);
139         if (attr <= INPUT_PIN_ATTR_DOCK)
140                 return false;
141 
142         if (seq_number >= 0) {
143                 int seq = get_defcfg_sequence(def_conf);
144                 if (seq != seq_number)
145                         return false;
146         }
147 
148         return true;
149 }
150 
151 /*
152  * Parse all pin widgets and store the useful pin nids to cfg
153  *
154  * The number of line-outs or any primary output is stored in line_outs,
155  * and the corresponding output pins are assigned to line_out_pins[],
156  * in the order of front, rear, CLFE, side, ...
157  *
158  * If more extra outputs (speaker and headphone) are found, the pins are
159  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
160  * is detected, one of speaker of HP pins is assigned as the primary
161  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
162  * if any analog output exists.
163  *
164  * The analog input pins are assigned to inputs array.
165  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
166  * respectively.
167  */
168 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
169                              struct auto_pin_cfg *cfg,
170                              const hda_nid_t *ignore_nids,
171                              unsigned int cond_flags)
172 {
173         hda_nid_t nid;
174         short seq, assoc_line_out;
175         struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
176         struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
177         struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
178         int i;
179 
180         if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
181                 cond_flags = i;
182 
183         memset(cfg, 0, sizeof(*cfg));
184 
185         memset(line_out, 0, sizeof(line_out));
186         memset(speaker_out, 0, sizeof(speaker_out));
187         memset(hp_out, 0, sizeof(hp_out));
188         assoc_line_out = 0;
189 
190         for_each_hda_codec_node(nid, codec) {
191                 unsigned int wid_caps = get_wcaps(codec, nid);
192                 unsigned int wid_type = get_wcaps_type(wid_caps);
193                 unsigned int def_conf;
194                 short assoc, loc, conn, dev;
195 
196                 /* read all default configuration for pin complex */
197                 if (wid_type != AC_WID_PIN)
198                         continue;
199                 /* ignore the given nids (e.g. pc-beep returns error) */
200                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
201                         continue;
202 
203                 def_conf = snd_hda_codec_get_pincfg(codec, nid);
204                 conn = get_defcfg_connect(def_conf);
205                 if (conn == AC_JACK_PORT_NONE)
206                         continue;
207                 loc = get_defcfg_location(def_conf);
208                 dev = get_defcfg_device(def_conf);
209 
210                 /* workaround for buggy BIOS setups */
211                 if (dev == AC_JACK_LINE_OUT) {
212                         if (conn == AC_JACK_PORT_FIXED ||
213                             conn == AC_JACK_PORT_BOTH)
214                                 dev = AC_JACK_SPEAKER;
215                 }
216 
217                 if (!check_pincap_validity(codec, nid, dev))
218                         continue;
219 
220                 switch (dev) {
221                 case AC_JACK_LINE_OUT:
222                         seq = get_defcfg_sequence(def_conf);
223                         assoc = get_defcfg_association(def_conf);
224 
225                         if (!(wid_caps & AC_WCAP_STEREO))
226                                 if (!cfg->mono_out_pin)
227                                         cfg->mono_out_pin = nid;
228                         if (!assoc)
229                                 continue;
230                         if (!assoc_line_out)
231                                 assoc_line_out = assoc;
232                         else if (assoc_line_out != assoc) {
233                                 codec_info(codec,
234                                            "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
235                                            nid, assoc, assoc_line_out);
236                                 continue;
237                         }
238                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
239                                 codec_info(codec,
240                                            "ignore pin 0x%x, too many assigned pins\n",
241                                            nid);
242                                 continue;
243                         }
244                         line_out[cfg->line_outs].pin = nid;
245                         line_out[cfg->line_outs].seq = seq;
246                         cfg->line_outs++;
247                         break;
248                 case AC_JACK_SPEAKER:
249                         seq = get_defcfg_sequence(def_conf);
250                         assoc = get_defcfg_association(def_conf);
251                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
252                                 codec_info(codec,
253                                            "ignore pin 0x%x, too many assigned pins\n",
254                                            nid);
255                                 continue;
256                         }
257                         speaker_out[cfg->speaker_outs].pin = nid;
258                         speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
259                         cfg->speaker_outs++;
260                         break;
261                 case AC_JACK_HP_OUT:
262                         seq = get_defcfg_sequence(def_conf);
263                         assoc = get_defcfg_association(def_conf);
264                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
265                                 codec_info(codec,
266                                            "ignore pin 0x%x, too many assigned pins\n",
267                                            nid);
268                                 continue;
269                         }
270                         hp_out[cfg->hp_outs].pin = nid;
271                         hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
272                         cfg->hp_outs++;
273                         break;
274                 case AC_JACK_MIC_IN:
275                         add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
276                         break;
277                 case AC_JACK_LINE_IN:
278                         add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
279                         break;
280                 case AC_JACK_CD:
281                         add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
282                         break;
283                 case AC_JACK_AUX:
284                         add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
285                         break;
286                 case AC_JACK_SPDIF_OUT:
287                 case AC_JACK_DIG_OTHER_OUT:
288                         if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
289                                 codec_info(codec,
290                                            "ignore pin 0x%x, too many assigned pins\n",
291                                            nid);
292                                 continue;
293                         }
294                         cfg->dig_out_pins[cfg->dig_outs] = nid;
295                         cfg->dig_out_type[cfg->dig_outs] =
296                                 (loc == AC_JACK_LOC_HDMI) ?
297                                 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
298                         cfg->dig_outs++;
299                         break;
300                 case AC_JACK_SPDIF_IN:
301                 case AC_JACK_DIG_OTHER_IN:
302                         cfg->dig_in_pin = nid;
303                         if (loc == AC_JACK_LOC_HDMI)
304                                 cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
305                         else
306                                 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
307                         break;
308                 }
309         }
310 
311         /* Find a pin that could be a headset or headphone mic */
312         if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
313                 bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
314                 bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
315                 for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
316                         if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
317                                 cfg->inputs[i].is_headset_mic = 1;
318                                 hsmic = false;
319                         } else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
320                                 cfg->inputs[i].is_headphone_mic = 1;
321                                 hpmic = false;
322                         }
323 
324                 /* If we didn't find our sequence number mark, fall back to any sequence number */
325                 for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
326                         if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
327                                 continue;
328                         if (hsmic) {
329                                 cfg->inputs[i].is_headset_mic = 1;
330                                 hsmic = false;
331                         } else if (hpmic) {
332                                 cfg->inputs[i].is_headphone_mic = 1;
333                                 hpmic = false;
334                         }
335                 }
336 
337                 if (hsmic)
338                         codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
339                 if (hpmic)
340                         codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
341         }
342 
343         /* FIX-UP:
344          * If no line-out is defined but multiple HPs are found,
345          * some of them might be the real line-outs.
346          */
347         if (!cfg->line_outs && cfg->hp_outs > 1 &&
348             !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
349                 i = 0;
350                 while (i < cfg->hp_outs) {
351                         /* The real HPs should have the sequence 0x0f */
352                         if ((hp_out[i].seq & 0x0f) == 0x0f) {
353                                 i++;
354                                 continue;
355                         }
356                         /* Move it to the line-out table */
357                         line_out[cfg->line_outs++] = hp_out[i];
358                         cfg->hp_outs--;
359                         memmove(hp_out + i, hp_out + i + 1,
360                                 sizeof(hp_out[0]) * (cfg->hp_outs - i));
361                 }
362                 memset(hp_out + cfg->hp_outs, 0,
363                        sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
364                 if (!cfg->hp_outs)
365                         cfg->line_out_type = AUTO_PIN_HP_OUT;
366 
367         }
368 
369         /* sort by sequence */
370         sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
371         sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
372                               cfg->speaker_outs);
373         sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
374 
375         /*
376          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
377          * as a primary output
378          */
379         if (!cfg->line_outs &&
380             !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
381                 if (cfg->speaker_outs) {
382                         cfg->line_outs = cfg->speaker_outs;
383                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
384                                sizeof(cfg->speaker_pins));
385                         cfg->speaker_outs = 0;
386                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
387                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
388                 } else if (cfg->hp_outs) {
389                         cfg->line_outs = cfg->hp_outs;
390                         memcpy(cfg->line_out_pins, cfg->hp_pins,
391                                sizeof(cfg->hp_pins));
392                         cfg->hp_outs = 0;
393                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
394                         cfg->line_out_type = AUTO_PIN_HP_OUT;
395                 }
396         }
397 
398         reorder_outputs(cfg->line_outs, cfg->line_out_pins);
399         reorder_outputs(cfg->hp_outs, cfg->hp_pins);
400         reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
401 
402         /* sort inputs in the order of AUTO_PIN_* type */
403         sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
404              compare_input_type, NULL);
405 
406         /*
407          * debug prints of the parsed results
408          */
409         codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
410                    codec->core.chip_name, cfg->line_outs, cfg->line_out_pins[0],
411                    cfg->line_out_pins[1], cfg->line_out_pins[2],
412                    cfg->line_out_pins[3], cfg->line_out_pins[4],
413                    cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
414                    (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
415                     "speaker" : "line"));
416         codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
417                    cfg->speaker_outs, cfg->speaker_pins[0],
418                    cfg->speaker_pins[1], cfg->speaker_pins[2],
419                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
420         codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
421                    cfg->hp_outs, cfg->hp_pins[0],
422                    cfg->hp_pins[1], cfg->hp_pins[2],
423                    cfg->hp_pins[3], cfg->hp_pins[4]);
424         codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
425         if (cfg->dig_outs)
426                 codec_info(codec, "   dig-out=0x%x/0x%x\n",
427                            cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
428         codec_info(codec, "   inputs:\n");
429         for (i = 0; i < cfg->num_inputs; i++) {
430                 codec_info(codec, "     %s=0x%x\n",
431                             hda_get_autocfg_input_label(codec, cfg, i),
432                             cfg->inputs[i].pin);
433         }
434         if (cfg->dig_in_pin)
435                 codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
436 
437         return 0;
438 }
439 EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
440 
441 /**
442  * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
443  * @def_conf: pin configuration value
444  *
445  * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
446  * default pin configuration value.
447  */
448 int snd_hda_get_input_pin_attr(unsigned int def_conf)
449 {
450         unsigned int loc = get_defcfg_location(def_conf);
451         unsigned int conn = get_defcfg_connect(def_conf);
452         if (conn == AC_JACK_PORT_NONE)
453                 return INPUT_PIN_ATTR_UNUSED;
454         /* Windows may claim the internal mic to be BOTH, too */
455         if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
456                 return INPUT_PIN_ATTR_INT;
457         if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
458                 return INPUT_PIN_ATTR_INT;
459         if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
460                 return INPUT_PIN_ATTR_DOCK;
461         if (loc == AC_JACK_LOC_REAR)
462                 return INPUT_PIN_ATTR_REAR;
463         if (loc == AC_JACK_LOC_FRONT)
464                 return INPUT_PIN_ATTR_FRONT;
465         return INPUT_PIN_ATTR_NORMAL;
466 }
467 EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
468 
469 /**
470  * hda_get_input_pin_label - Give a label for the given input pin
471  * @codec: the HDA codec
472  * @item: ping config item to refer
473  * @pin: the pin NID
474  * @check_location: flag to add the jack location prefix
475  *
476  * When @check_location is true, the function checks the pin location
477  * for mic and line-in pins, and set an appropriate prefix like "Front",
478  * "Rear", "Internal".
479  */
480 static const char *hda_get_input_pin_label(struct hda_codec *codec,
481                                            const struct auto_pin_cfg_item *item,
482                                            hda_nid_t pin, bool check_location)
483 {
484         unsigned int def_conf;
485         static const char * const mic_names[] = {
486                 "Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
487         };
488         int attr;
489 
490         def_conf = snd_hda_codec_get_pincfg(codec, pin);
491 
492         switch (get_defcfg_device(def_conf)) {
493         case AC_JACK_MIC_IN:
494                 if (item && item->is_headset_mic)
495                         return "Headset Mic";
496                 if (item && item->is_headphone_mic)
497                         return "Headphone Mic";
498                 if (!check_location)
499                         return "Mic";
500                 attr = snd_hda_get_input_pin_attr(def_conf);
501                 if (!attr)
502                         return "None";
503                 return mic_names[attr - 1];
504         case AC_JACK_LINE_IN:
505                 if (!check_location)
506                         return "Line";
507                 attr = snd_hda_get_input_pin_attr(def_conf);
508                 if (!attr)
509                         return "None";
510                 if (attr == INPUT_PIN_ATTR_DOCK)
511                         return "Dock Line";
512                 return "Line";
513         case AC_JACK_AUX:
514                 return "Aux";
515         case AC_JACK_CD:
516                 return "CD";
517         case AC_JACK_SPDIF_IN:
518                 return "SPDIF In";
519         case AC_JACK_DIG_OTHER_IN:
520                 return "Digital In";
521         case AC_JACK_HP_OUT:
522                 return "Headphone Mic";
523         default:
524                 return "Misc";
525         }
526 }
527 
528 /* Check whether the location prefix needs to be added to the label.
529  * If all mic-jacks are in the same location (e.g. rear panel), we don't
530  * have to put "Front" prefix to each label.  In such a case, returns false.
531  */
532 static int check_mic_location_need(struct hda_codec *codec,
533                                    const struct auto_pin_cfg *cfg,
534                                    int input)
535 {
536         unsigned int defc;
537         int i, attr, attr2;
538 
539         defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
540         attr = snd_hda_get_input_pin_attr(defc);
541         /* for internal or docking mics, we need locations */
542         if (attr <= INPUT_PIN_ATTR_NORMAL)
543                 return 1;
544 
545         attr = 0;
546         for (i = 0; i < cfg->num_inputs; i++) {
547                 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
548                 attr2 = snd_hda_get_input_pin_attr(defc);
549                 if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
550                         if (attr && attr != attr2)
551                                 return 1; /* different locations found */
552                         attr = attr2;
553                 }
554         }
555         return 0;
556 }
557 
558 /**
559  * hda_get_autocfg_input_label - Get a label for the given input
560  * @codec: the HDA codec
561  * @cfg: the parsed pin configuration
562  * @input: the input index number
563  *
564  * Get a label for the given input pin defined by the autocfg item.
565  * Unlike hda_get_input_pin_label(), this function checks all inputs
566  * defined in autocfg and avoids the redundant mic/line prefix as much as
567  * possible.
568  */
569 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
570                                         const struct auto_pin_cfg *cfg,
571                                         int input)
572 {
573         int type = cfg->inputs[input].type;
574         int has_multiple_pins = 0;
575 
576         if ((input > 0 && cfg->inputs[input - 1].type == type) ||
577             (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
578                 has_multiple_pins = 1;
579         if (has_multiple_pins && type == AUTO_PIN_MIC)
580                 has_multiple_pins &= check_mic_location_need(codec, cfg, input);
581         has_multiple_pins |= codec->force_pin_prefix;
582         return hda_get_input_pin_label(codec, &cfg->inputs[input],
583                                        cfg->inputs[input].pin,
584                                        has_multiple_pins);
585 }
586 EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
587 
588 /* return the position of NID in the list, or -1 if not found */
589 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
590 {
591         int i;
592         for (i = 0; i < nums; i++)
593                 if (list[i] == nid)
594                         return i;
595         return -1;
596 }
597 
598 /* get a unique suffix or an index number */
599 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
600                                     int num_pins, int *indexp)
601 {
602         static const char * const channel_sfx[] = {
603                 " Front", " Surround", " CLFE", " Side"
604         };
605         int i;
606 
607         i = find_idx_in_nid_list(nid, pins, num_pins);
608         if (i < 0)
609                 return NULL;
610         if (num_pins == 1)
611                 return "";
612         if (num_pins > ARRAY_SIZE(channel_sfx)) {
613                 if (indexp)
614                         *indexp = i;
615                 return "";
616         }
617         return channel_sfx[i];
618 }
619 
620 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
621 {
622         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
623         int attr = snd_hda_get_input_pin_attr(def_conf);
624 
625         /* check the location */
626         switch (attr) {
627         case INPUT_PIN_ATTR_DOCK:
628                 return "Dock ";
629         case INPUT_PIN_ATTR_FRONT:
630                 return "Front ";
631         }
632         return "";
633 }
634 
635 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
636                               const hda_nid_t *pins, int num_pins)
637 {
638         int i, j, idx = 0;
639 
640         const char *pfx = check_output_pfx(codec, nid);
641 
642         i = find_idx_in_nid_list(nid, pins, num_pins);
643         if (i < 0)
644                 return -1;
645         for (j = 0; j < i; j++)
646                 if (pfx == check_output_pfx(codec, pins[j]))
647                         idx++;
648 
649         return idx;
650 }
651 
652 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
653                                const struct auto_pin_cfg *cfg,
654                                const char *name, char *label, int maxlen,
655                                int *indexp)
656 {
657         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
658         int attr = snd_hda_get_input_pin_attr(def_conf);
659         const char *pfx, *sfx = "";
660 
661         /* handle as a speaker if it's a fixed line-out */
662         if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
663                 name = "Speaker";
664         pfx = check_output_pfx(codec, nid);
665 
666         if (cfg) {
667                 /* try to give a unique suffix if needed */
668                 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
669                                        indexp);
670                 if (!sfx)
671                         sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
672                                                indexp);
673                 if (!sfx) {
674                         /* don't add channel suffix for Headphone controls */
675                         int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
676                                                      cfg->hp_outs);
677                         if (idx >= 0 && indexp)
678                                 *indexp = idx;
679                         sfx = "";
680                 }
681         }
682         snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
683         return 1;
684 }
685 
686 #define is_hdmi_cfg(conf) \
687         (get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
688 
689 /**
690  * snd_hda_get_pin_label - Get a label for the given I/O pin
691  * @codec: the HDA codec
692  * @nid: pin NID
693  * @cfg: the parsed pin configuration
694  * @label: the string buffer to store
695  * @maxlen: the max length of string buffer (including termination)
696  * @indexp: the pointer to return the index number (for multiple ctls)
697  *
698  * Get a label for the given pin.  This function works for both input and
699  * output pins.  When @cfg is given as non-NULL, the function tries to get
700  * an optimized label using hda_get_autocfg_input_label().
701  *
702  * This function tries to give a unique label string for the pin as much as
703  * possible.  For example, when the multiple line-outs are present, it adds
704  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
705  * If no unique name with a suffix is available and @indexp is non-NULL, the
706  * index number is stored in the pointer.
707  */
708 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
709                           const struct auto_pin_cfg *cfg,
710                           char *label, int maxlen, int *indexp)
711 {
712         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
713         const char *name = NULL;
714         int i;
715         bool hdmi;
716 
717         if (indexp)
718                 *indexp = 0;
719         if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
720                 return 0;
721 
722         switch (get_defcfg_device(def_conf)) {
723         case AC_JACK_LINE_OUT:
724                 return fill_audio_out_name(codec, nid, cfg, "Line Out",
725                                            label, maxlen, indexp);
726         case AC_JACK_SPEAKER:
727                 return fill_audio_out_name(codec, nid, cfg, "Speaker",
728                                            label, maxlen, indexp);
729         case AC_JACK_HP_OUT:
730                 return fill_audio_out_name(codec, nid, cfg, "Headphone",
731                                            label, maxlen, indexp);
732         case AC_JACK_SPDIF_OUT:
733         case AC_JACK_DIG_OTHER_OUT:
734                 hdmi = is_hdmi_cfg(def_conf);
735                 name = hdmi ? "HDMI" : "SPDIF";
736                 if (cfg && indexp)
737                         for (i = 0; i < cfg->dig_outs; i++) {
738                                 hda_nid_t pin = cfg->dig_out_pins[i];
739                                 unsigned int c;
740                                 if (pin == nid)
741                                         break;
742                                 c = snd_hda_codec_get_pincfg(codec, pin);
743                                 if (hdmi == is_hdmi_cfg(c))
744                                         (*indexp)++;
745                         }
746                 break;
747         default:
748                 if (cfg) {
749                         for (i = 0; i < cfg->num_inputs; i++) {
750                                 if (cfg->inputs[i].pin != nid)
751                                         continue;
752                                 name = hda_get_autocfg_input_label(codec, cfg, i);
753                                 if (name)
754                                         break;
755                         }
756                 }
757                 if (!name)
758                         name = hda_get_input_pin_label(codec, NULL, nid, true);
759                 break;
760         }
761         if (!name)
762                 return 0;
763         strscpy(label, name, maxlen);
764         return 1;
765 }
766 EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
767 
768 /**
769  * snd_hda_add_verbs - Add verbs to the init list
770  * @codec: the HDA codec
771  * @list: zero-terminated verb list to add
772  *
773  * Append the given verb list to the execution list.  The verbs will be
774  * performed at init and resume time via snd_hda_apply_verbs().
775  */
776 int snd_hda_add_verbs(struct hda_codec *codec,
777                       const struct hda_verb *list)
778 {
779         const struct hda_verb **v;
780         v = snd_array_new(&codec->verbs);
781         if (!v)
782                 return -ENOMEM;
783         *v = list;
784         return 0;
785 }
786 EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
787 
788 /**
789  * snd_hda_apply_verbs - Execute the init verb lists
790  * @codec: the HDA codec
791  */
792 void snd_hda_apply_verbs(struct hda_codec *codec)
793 {
794         const struct hda_verb **v;
795         int i;
796 
797         snd_array_for_each(&codec->verbs, i, v)
798                 snd_hda_sequence_write(codec, *v);
799 }
800 EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
801 
802 /**
803  * snd_hda_apply_pincfgs - Set each pin config in the given list
804  * @codec: the HDA codec
805  * @cfg: NULL-terminated pin config table
806  */
807 void snd_hda_apply_pincfgs(struct hda_codec *codec,
808                            const struct hda_pintbl *cfg)
809 {
810         for (; cfg->nid; cfg++)
811                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
812 }
813 EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
814 
815 static void set_pin_targets(struct hda_codec *codec,
816                             const struct hda_pintbl *cfg)
817 {
818         for (; cfg->nid; cfg++)
819                 snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
820 }
821 
822 void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth)
823 {
824         const char *modelname = codec->fixup_name;
825 
826         while (id >= 0) {
827                 const struct hda_fixup *fix = codec->fixup_list + id;
828 
829                 if (++depth > 10)
830                         break;
831                 if (fix->chained_before)
832                         __snd_hda_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                 id = fix->chain_id;
871         }
872 }
873 EXPORT_SYMBOL_GPL(__snd_hda_apply_fixup);
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                 __snd_hda_apply_fixup(codec, codec->fixup_id, action, 0);
884 }
885 EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
886 
887 #define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
888 
889 static bool pin_config_match(struct hda_codec *codec,
890                              const struct hda_pintbl *pins,
891                              bool match_all_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 (match_all_pins &&
916                     !found && (cfg & 0xf0000000) != 0x40000000)
917                         return false;
918         }
919 
920         return true;
921 }
922 
923 /**
924  * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
925  * @codec: the HDA codec
926  * @pin_quirk: zero-terminated pin quirk list
927  * @fixlist: the fixup list
928  * @match_all_pins: all valid pins must match with the table entries
929  */
930 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
931                             const struct snd_hda_pin_quirk *pin_quirk,
932                             const struct hda_fixup *fixlist,
933                             bool match_all_pins)
934 {
935         const struct snd_hda_pin_quirk *pq;
936 
937         if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
938                 return;
939 
940         for (pq = pin_quirk; pq->subvendor; pq++) {
941                 if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
942                         continue;
943                 if (codec->core.vendor_id != pq->codec)
944                         continue;
945                 if (pin_config_match(codec, pq->pins, match_all_pins)) {
946                         codec->fixup_id = pq->value;
947 #ifdef CONFIG_SND_DEBUG_VERBOSE
948                         codec->fixup_name = pq->name;
949                         codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
950                                   codec->core.chip_name, codec->fixup_name);
951 #endif
952                         codec->fixup_list = fixlist;
953                         return;
954                 }
955         }
956 }
957 EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
958 
959 /**
960  * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
961  * @codec: the HDA codec
962  * @models: NULL-terminated model string list
963  * @quirk: zero-terminated PCI/codec SSID quirk list
964  * @fixlist: the fixup list
965  *
966  * Pick up a fixup entry matching with the given model string or SSID.
967  * If a fixup was already set beforehand, the function doesn't do anything.
968  * When a special model string "nofixup" is given, also no fixup is applied.
969  *
970  * The function tries to find the matching model name at first, if given.
971  * If the model string contains the SSID alias, try to look up with the given
972  * alias ID.
973  * If nothing matched, try to look up the PCI SSID.
974  * If still nothing matched, try to look up the codec SSID.
975  */
976 void snd_hda_pick_fixup(struct hda_codec *codec,
977                         const struct hda_model_fixup *models,
978                         const struct snd_pci_quirk *quirk,
979                         const struct hda_fixup *fixlist)
980 {
981         const struct snd_pci_quirk *q;
982         int id = HDA_FIXUP_ID_NOT_SET;
983         const char *name = NULL;
984         const char *type = NULL;
985         unsigned int vendor, device;
986 
987         if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
988                 return;
989 
990         /* when model=nofixup is given, don't pick up any fixups */
991         if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
992                 id = HDA_FIXUP_ID_NO_FIXUP;
993                 fixlist = NULL;
994                 codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
995                           codec->core.chip_name);
996                 goto found;
997         }
998 
999         /* match with the model name string */
1000         if (codec->modelname && models) {
1001                 while (models->name) {
1002                         if (!strcmp(codec->modelname, models->name)) {
1003                                 id = models->id;
1004                                 name = models->name;
1005                                 codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
1006                                           codec->core.chip_name, codec->fixup_name);
1007                                 goto found;
1008                         }
1009                         models++;
1010                 }
1011         }
1012 
1013         if (!quirk)
1014                 return;
1015 
1016         /* match with the SSID alias given by the model string "XXXX:YYYY" */
1017         if (codec->modelname &&
1018             sscanf(codec->modelname, "%04x:%04x", &vendor, &device) == 2) {
1019                 q = snd_pci_quirk_lookup_id(vendor, device, quirk);
1020                 if (q) {
1021                         type = "alias SSID";
1022                         goto found_device;
1023                 }
1024         }
1025 
1026         /* match with the PCI SSID */
1027         q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
1028         if (q) {
1029                 type = "PCI SSID";
1030                 goto found_device;
1031         }
1032 
1033         /* match with the codec SSID */
1034         q = snd_pci_quirk_lookup_id(codec->core.subsystem_id >> 16,
1035                                     codec->core.subsystem_id & 0xffff,
1036                                     quirk);
1037         if (q) {
1038                 type = "codec SSID";
1039                 goto found_device;
1040         }
1041 
1042         return; /* no matching */
1043 
1044  found_device:
1045         id = q->value;
1046 #ifdef CONFIG_SND_DEBUG_VERBOSE
1047         name = q->name;
1048 #endif
1049         codec_dbg(codec, "%s: picked fixup %s for %s %04x:%04x\n",
1050                   codec->core.chip_name, name ? name : "",
1051                   type, q->subvendor, q->subdevice);
1052  found:
1053         codec->fixup_id = id;
1054         codec->fixup_list = fixlist;
1055         codec->fixup_name = name;
1056 }
1057 EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
1058 

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