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