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