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 <sound/core.h>
  15 #include "hda_codec.h"
  16 #include "hda_local.h"
  17 #include "hda_auto_parser.h"
  18
  19 #define SFX     "hda_codec: "
  20
  21 /*
  22  * Helper for automatic pin configuration
  23  */
  24
  25 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
  26 {
  27         for (; *list; list++)
  28                 if (*list == nid)
  29                         return 1;
  30         return 0;
  31 }
  32
  33
  34 /*
  35  * Sort an associated group of pins according to their sequence numbers.
  36  */
  37 static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences,
  38                                   int num_pins)
  39 {
  40         int i, j;
  41         short seq;
  42         hda_nid_t nid;
  43
  44         for (i = 0; i < num_pins; i++) {
  45                 for (j = i + 1; j < num_pins; j++) {
  46                         if (sequences[i] > sequences[j]) {
  47                                 seq = sequences[i];
  48                                 sequences[i] = sequences[j];
  49                                 sequences[j] = seq;
  50                                 nid = pins[i];
  51                                 pins[i] = pins[j];
  52                                 pins[j] = nid;
  53                         }
  54                 }
  55         }
  56 }
  57
  58
  59 /* add the found input-pin to the cfg->inputs[] table */
  60 static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid,
  61                                    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->num_inputs++;
  67         }
  68 }
  69
  70 /* sort inputs in the order of AUTO_PIN_* type */
  71 static void sort_autocfg_input_pins(struct auto_pin_cfg *cfg)
  72 {
  73         int i, j;
  74
  75         for (i = 0; i < cfg->num_inputs; i++) {
  76                 for (j = i + 1; j < cfg->num_inputs; j++) {
  77                         if (cfg->inputs[i].type > cfg->inputs[j].type) {
  78                                 struct auto_pin_cfg_item tmp;
  79                                 tmp = cfg->inputs[i];
  80                                 cfg->inputs[i] = cfg->inputs[j];
  81                                 cfg->inputs[j] = tmp;
  82                         }
  83                 }
  84         }
  85 }
  86
  87 /* Reorder the surround channels
  88  * ALSA sequence is front/surr/clfe/side
  89  * HDA sequence is:
  90  *    4-ch: front/surr  =>  OK as it is
  91  *    6-ch: front/clfe/surr
  92  *    8-ch: front/clfe/rear/side|fc
  93  */
  94 static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
  95 {
  96         hda_nid_t nid;
  97
  98         switch (nums) {
  99         case 3:
 100         case 4:
 101                 nid = pins[1];
 102                 pins[1] = pins[2];
 103                 pins[2] = nid;
 104                 break;
 105         }
 106 }
 107
 108 /*
 109  * Parse all pin widgets and store the useful pin nids to cfg
 110  *
 111  * The number of line-outs or any primary output is stored in line_outs,
 112  * and the corresponding output pins are assigned to line_out_pins[],
 113  * in the order of front, rear, CLFE, side, ...
 114  *
 115  * If more extra outputs (speaker and headphone) are found, the pins are
 116  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
 117  * is detected, one of speaker of HP pins is assigned as the primary
 118  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
 119  * if any analog output exists.
 120  *
 121  * The analog input pins are assigned to inputs array.
 122  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
 123  * respectively.
 124  */
 125 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 126                              struct auto_pin_cfg *cfg,
 127                              const hda_nid_t *ignore_nids,
 128                              unsigned int cond_flags)
 129 {
 130         hda_nid_t nid, end_nid;
 131         short seq, assoc_line_out;
 132         short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
 133         short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
 134         short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
 135         int i;
 136
 137         memset(cfg, 0, sizeof(*cfg));
 138
 139         memset(sequences_line_out, 0, sizeof(sequences_line_out));
 140         memset(sequences_speaker, 0, sizeof(sequences_speaker));
 141         memset(sequences_hp, 0, sizeof(sequences_hp));
 142         assoc_line_out = 0;
 143
 144         codec->ignore_misc_bit = true;
 145         end_nid = codec->start_nid + codec->num_nodes;
 146         for (nid = codec->start_nid; nid < end_nid; nid++) {
 147                 unsigned int wid_caps = get_wcaps(codec, nid);
 148                 unsigned int wid_type = get_wcaps_type(wid_caps);
 149                 unsigned int def_conf;
 150                 short assoc, loc, conn, dev;
 151
 152                 /* read all default configuration for pin complex */
 153                 if (wid_type != AC_WID_PIN)
 154                         continue;
 155                 /* ignore the given nids (e.g. pc-beep returns error) */
 156                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
 157                         continue;
 158
 159                 def_conf = snd_hda_codec_get_pincfg(codec, nid);
 160                 if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
 161                       AC_DEFCFG_MISC_NO_PRESENCE))
 162                         codec->ignore_misc_bit = false;
 163                 conn = get_defcfg_connect(def_conf);
 164                 if (conn == AC_JACK_PORT_NONE)
 165                         continue;
 166                 loc = get_defcfg_location(def_conf);
 167                 dev = get_defcfg_device(def_conf);
 168
 169                 /* workaround for buggy BIOS setups */
 170                 if (dev == AC_JACK_LINE_OUT) {
 171                         if (conn == AC_JACK_PORT_FIXED)
 172                                 dev = AC_JACK_SPEAKER;
 173                 }
 174
 175                 switch (dev) {
 176                 case AC_JACK_LINE_OUT:
 177                         seq = get_defcfg_sequence(def_conf);
 178                         assoc = get_defcfg_association(def_conf);
 179
 180                         if (!(wid_caps & AC_WCAP_STEREO))
 181                                 if (!cfg->mono_out_pin)
 182                                         cfg->mono_out_pin = nid;
 183                         if (!assoc)
 184                                 continue;
 185                         if (!assoc_line_out)
 186                                 assoc_line_out = assoc;
 187                         else if (assoc_line_out != assoc)
 188                                 continue;
 189                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
 190                                 continue;
 191                         cfg->line_out_pins[cfg->line_outs] = nid;
 192                         sequences_line_out[cfg->line_outs] = seq;
 193                         cfg->line_outs++;
 194                         break;
 195                 case AC_JACK_SPEAKER:
 196                         seq = get_defcfg_sequence(def_conf);
 197                         assoc = get_defcfg_association(def_conf);
 198                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
 199                                 continue;
 200                         cfg->speaker_pins[cfg->speaker_outs] = nid;
 201                         sequences_speaker[cfg->speaker_outs] = (assoc << 4) | seq;
 202                         cfg->speaker_outs++;
 203                         break;
 204                 case AC_JACK_HP_OUT:
 205                         seq = get_defcfg_sequence(def_conf);
 206                         assoc = get_defcfg_association(def_conf);
 207                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
 208                                 continue;
 209                         cfg->hp_pins[cfg->hp_outs] = nid;
 210                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
 211                         cfg->hp_outs++;
 212                         break;
 213                 case AC_JACK_MIC_IN:
 214                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC);
 215                         break;
 216                 case AC_JACK_LINE_IN:
 217                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
 218                         break;
 219                 case AC_JACK_CD:
 220                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
 221                         break;
 222                 case AC_JACK_AUX:
 223                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX);
 224                         break;
 225                 case AC_JACK_SPDIF_OUT:
 226                 case AC_JACK_DIG_OTHER_OUT:
 227                         if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
 228                                 continue;
 229                         cfg->dig_out_pins[cfg->dig_outs] = nid;
 230                         cfg->dig_out_type[cfg->dig_outs] =
 231                                 (loc == AC_JACK_LOC_HDMI) ?
 232                                 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
 233                         cfg->dig_outs++;
 234                         break;
 235                 case AC_JACK_SPDIF_IN:
 236                 case AC_JACK_DIG_OTHER_IN:
 237                         cfg->dig_in_pin = nid;
 238                         if (loc == AC_JACK_LOC_HDMI)
 239                                 cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
 240                         else
 241                                 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
 242                         break;
 243                 }
 244         }
 245
 246         /* FIX-UP:
 247          * If no line-out is defined but multiple HPs are found,
 248          * some of them might be the real line-outs.
 249          */
 250         if (!cfg->line_outs && cfg->hp_outs > 1 &&
 251             !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
 252                 int i = 0;
 253                 while (i < cfg->hp_outs) {
 254                         /* The real HPs should have the sequence 0x0f */
 255                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
 256                                 i++;
 257                                 continue;
 258                         }
 259                         /* Move it to the line-out table */
 260                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
 261                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
 262                         cfg->line_outs++;
 263                         cfg->hp_outs--;
 264                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
 265                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
 266                         memmove(sequences_hp + i, sequences_hp + i + 1,
 267                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
 268                 }
 269                 memset(cfg->hp_pins + cfg->hp_outs, 0,
 270                        sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
 271                 if (!cfg->hp_outs)
 272                         cfg->line_out_type = AUTO_PIN_HP_OUT;
 273
 274         }
 275
 276         /* sort by sequence */
 277         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
 278                               cfg->line_outs);
 279         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
 280                               cfg->speaker_outs);
 281         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
 282                               cfg->hp_outs);
 283
 284         /*
 285          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
 286          * as a primary output
 287          */
 288         if (!cfg->line_outs &&
 289             !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
 290                 if (cfg->speaker_outs) {
 291                         cfg->line_outs = cfg->speaker_outs;
 292                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
 293                                sizeof(cfg->speaker_pins));
 294                         cfg->speaker_outs = 0;
 295                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
 296                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
 297                 } else if (cfg->hp_outs) {
 298                         cfg->line_outs = cfg->hp_outs;
 299                         memcpy(cfg->line_out_pins, cfg->hp_pins,
 300                                sizeof(cfg->hp_pins));
 301                         cfg->hp_outs = 0;
 302                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
 303                         cfg->line_out_type = AUTO_PIN_HP_OUT;
 304                 }
 305         }
 306
 307         reorder_outputs(cfg->line_outs, cfg->line_out_pins);
 308         reorder_outputs(cfg->hp_outs, cfg->hp_pins);
 309         reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
 310
 311         sort_autocfg_input_pins(cfg);
 312
 313         /*
 314          * debug prints of the parsed results
 315          */
 316         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 317                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
 318                    cfg->line_out_pins[2], cfg->line_out_pins[3],
 319                    cfg->line_out_pins[4],
 320                    cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
 321                    (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
 322                     "speaker" : "line"));
 323         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 324                    cfg->speaker_outs, cfg->speaker_pins[0],
 325                    cfg->speaker_pins[1], cfg->speaker_pins[2],
 326                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
 327         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 328                    cfg->hp_outs, cfg->hp_pins[0],
 329                    cfg->hp_pins[1], cfg->hp_pins[2],
 330                    cfg->hp_pins[3], cfg->hp_pins[4]);
 331         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
 332         if (cfg->dig_outs)
 333                 snd_printd("   dig-out=0x%x/0x%x\n",
 334                            cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
 335         snd_printd("   inputs:\n");
 336         for (i = 0; i < cfg->num_inputs; i++) {
 337                 snd_printd("     %s=0x%x\n",
 338                             hda_get_autocfg_input_label(codec, cfg, i),
 339                             cfg->inputs[i].pin);
 340         }
 341         if (cfg->dig_in_pin)
 342                 snd_printd("   dig-in=0x%x\n", cfg->dig_in_pin);
 343
 344         return 0;
 345 }
 346 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg);
 347
 348 int snd_hda_get_input_pin_attr(unsigned int def_conf)
 349 {
 350         unsigned int loc = get_defcfg_location(def_conf);
 351         unsigned int conn = get_defcfg_connect(def_conf);
 352         if (conn == AC_JACK_PORT_NONE)
 353                 return INPUT_PIN_ATTR_UNUSED;
 354         /* Windows may claim the internal mic to be BOTH, too */
 355         if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 356                 return INPUT_PIN_ATTR_INT;
 357         if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 358                 return INPUT_PIN_ATTR_INT;
 359         if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 360                 return INPUT_PIN_ATTR_DOCK;
 361         if (loc == AC_JACK_LOC_REAR)
 362                 return INPUT_PIN_ATTR_REAR;
 363         if (loc == AC_JACK_LOC_FRONT)
 364                 return INPUT_PIN_ATTR_FRONT;
 365         return INPUT_PIN_ATTR_NORMAL;
 366 }
 367 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr);
 368
 369 /**
 370  * hda_get_input_pin_label - Give a label for the given input pin
 371  *
 372  * When check_location is true, the function checks the pin location
 373  * for mic and line-in pins, and set an appropriate prefix like "Front",
 374  * "Rear", "Internal".
 375  */
 376
 377 static const char *hda_get_input_pin_label(struct hda_codec *codec,
 378                                            hda_nid_t pin, bool check_location)
 379 {
 380         unsigned int def_conf;
 381         static const char * const mic_names[] = {
 382                 "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
 383         };
 384         int attr;
 385
 386         def_conf = snd_hda_codec_get_pincfg(codec, pin);
 387
 388         switch (get_defcfg_device(def_conf)) {
 389         case AC_JACK_MIC_IN:
 390                 if (!check_location)
 391                         return "Mic";
 392                 attr = snd_hda_get_input_pin_attr(def_conf);
 393                 if (!attr)
 394                         return "None";
 395                 return mic_names[attr - 1];
 396         case AC_JACK_LINE_IN:
 397                 if (!check_location)
 398                         return "Line";
 399                 attr = snd_hda_get_input_pin_attr(def_conf);
 400                 if (!attr)
 401                         return "None";
 402                 if (attr == INPUT_PIN_ATTR_DOCK)
 403                         return "Dock Line";
 404                 return "Line";
 405         case AC_JACK_AUX:
 406                 return "Aux";
 407         case AC_JACK_CD:
 408                 return "CD";
 409         case AC_JACK_SPDIF_IN:
 410                 return "SPDIF In";
 411         case AC_JACK_DIG_OTHER_IN:
 412                 return "Digital In";
 413         default:
 414                 return "Misc";
 415         }
 416 }
 417
 418 /* Check whether the location prefix needs to be added to the label.
 419  * If all mic-jacks are in the same location (e.g. rear panel), we don't
 420  * have to put "Front" prefix to each label.  In such a case, returns false.
 421  */
 422 static int check_mic_location_need(struct hda_codec *codec,
 423                                    const struct auto_pin_cfg *cfg,
 424                                    int input)
 425 {
 426         unsigned int defc;
 427         int i, attr, attr2;
 428
 429         defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 430         attr = snd_hda_get_input_pin_attr(defc);
 431         /* for internal or docking mics, we need locations */
 432         if (attr <= INPUT_PIN_ATTR_NORMAL)
 433                 return 1;
 434
 435         attr = 0;
 436         for (i = 0; i < cfg->num_inputs; i++) {
 437                 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 438                 attr2 = snd_hda_get_input_pin_attr(defc);
 439                 if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 440                         if (attr && attr != attr2)
 441                                 return 1; /* different locations found */
 442                         attr = attr2;
 443                 }
 444         }
 445         return 0;
 446 }
 447
 448 /**
 449  * hda_get_autocfg_input_label - Get a label for the given input
 450  *
 451  * Get a label for the given input pin defined by the autocfg item.
 452  * Unlike hda_get_input_pin_label(), this function checks all inputs
 453  * defined in autocfg and avoids the redundant mic/line prefix as much as
 454  * possible.
 455  */
 456 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 457                                         const struct auto_pin_cfg *cfg,
 458                                         int input)
 459 {
 460         int type = cfg->inputs[input].type;
 461         int has_multiple_pins = 0;
 462
 463         if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 464             (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 465                 has_multiple_pins = 1;
 466         if (has_multiple_pins && type == AUTO_PIN_MIC)
 467                 has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 468         return hda_get_input_pin_label(codec, cfg->inputs[input].pin,
 469                                        has_multiple_pins);
 470 }
 471 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label);
 472
 473 /* return the position of NID in the list, or -1 if not found */
 474 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 475 {
 476         int i;
 477         for (i = 0; i < nums; i++)
 478                 if (list[i] == nid)
 479                         return i;
 480         return -1;
 481 }
 482
 483 /* get a unique suffix or an index number */
 484 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 485                                     int num_pins, int *indexp)
 486 {
 487         static const char * const channel_sfx[] = {
 488                 " Front", " Surround", " CLFE", " Side"
 489         };
 490         int i;
 491
 492         i = find_idx_in_nid_list(nid, pins, num_pins);
 493         if (i < 0)
 494                 return NULL;
 495         if (num_pins == 1)
 496                 return "";
 497         if (num_pins > ARRAY_SIZE(channel_sfx)) {
 498                 if (indexp)
 499                         *indexp = i;
 500                 return "";
 501         }
 502         return channel_sfx[i];
 503 }
 504
 505 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 506                                const struct auto_pin_cfg *cfg,
 507                                const char *name, char *label, int maxlen,
 508                                int *indexp)
 509 {
 510         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 511         int attr = snd_hda_get_input_pin_attr(def_conf);
 512         const char *pfx = "", *sfx = "";
 513
 514         /* handle as a speaker if it's a fixed line-out */
 515         if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 516                 name = "Speaker";
 517         /* check the location */
 518         switch (attr) {
 519         case INPUT_PIN_ATTR_DOCK:
 520                 pfx = "Dock ";
 521                 break;
 522         case INPUT_PIN_ATTR_FRONT:
 523                 pfx = "Front ";
 524                 break;
 525         }
 526         if (cfg) {
 527                 /* try to give a unique suffix if needed */
 528                 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 529                                        indexp);
 530                 if (!sfx)
 531                         sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 532                                                indexp);
 533                 if (!sfx) {
 534                         /* don't add channel suffix for Headphone controls */
 535                         int idx = find_idx_in_nid_list(nid, cfg->hp_pins,
 536                                                        cfg->hp_outs);
 537                         if (idx >= 0)
 538                                 *indexp = idx;
 539                         sfx = "";
 540                 }
 541         }
 542         snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 543         return 1;
 544 }
 545
 546 /**
 547  * snd_hda_get_pin_label - Get a label for the given I/O pin
 548  *
 549  * Get a label for the given pin.  This function works for both input and
 550  * output pins.  When @cfg is given as non-NULL, the function tries to get
 551  * an optimized label using hda_get_autocfg_input_label().
 552  *
 553  * This function tries to give a unique label string for the pin as much as
 554  * possible.  For example, when the multiple line-outs are present, it adds
 555  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 556  * If no unique name with a suffix is available and @indexp is non-NULL, the
 557  * index number is stored in the pointer.
 558  */
 559 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 560                           const struct auto_pin_cfg *cfg,
 561                           char *label, int maxlen, int *indexp)
 562 {
 563         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 564         const char *name = NULL;
 565         int i;
 566
 567         if (indexp)
 568                 *indexp = 0;
 569         if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 570                 return 0;
 571
 572         switch (get_defcfg_device(def_conf)) {
 573         case AC_JACK_LINE_OUT:
 574                 return fill_audio_out_name(codec, nid, cfg, "Line Out",
 575                                            label, maxlen, indexp);
 576         case AC_JACK_SPEAKER:
 577                 return fill_audio_out_name(codec, nid, cfg, "Speaker",
 578                                            label, maxlen, indexp);
 579         case AC_JACK_HP_OUT:
 580                 return fill_audio_out_name(codec, nid, cfg, "Headphone",
 581                                            label, maxlen, indexp);
 582         case AC_JACK_SPDIF_OUT:
 583         case AC_JACK_DIG_OTHER_OUT:
 584                 if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI)
 585                         name = "HDMI";
 586                 else
 587                         name = "SPDIF";
 588                 if (cfg && indexp) {
 589                         i = find_idx_in_nid_list(nid, cfg->dig_out_pins,
 590                                                  cfg->dig_outs);
 591                         if (i >= 0)
 592                                 *indexp = i;
 593                 }
 594                 break;
 595         default:
 596                 if (cfg) {
 597                         for (i = 0; i < cfg->num_inputs; i++) {
 598                                 if (cfg->inputs[i].pin != nid)
 599                                         continue;
 600                                 name = hda_get_autocfg_input_label(codec, cfg, i);
 601                                 if (name)
 602                                         break;
 603                         }
 604                 }
 605                 if (!name)
 606                         name = hda_get_input_pin_label(codec, nid, true);
 607                 break;
 608         }
 609         if (!name)
 610                 return 0;
 611         strlcpy(label, name, maxlen);
 612         return 1;
 613 }
 614 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label);
 615
 616 int snd_hda_gen_add_verbs(struct hda_gen_spec *spec,
 617                           const struct hda_verb *list)
 618 {
 619         const struct hda_verb **v;
 620         v = snd_array_new(&spec->verbs);
 621         if (!v)
 622                 return -ENOMEM;
 623         *v = list;
 624         return 0;
 625 }
 626 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs);
 627
 628 void snd_hda_gen_apply_verbs(struct hda_codec *codec)
 629 {
 630         struct hda_gen_spec *spec = codec->spec;
 631         int i;
 632         for (i = 0; i < spec->verbs.used; i++) {
 633                 struct hda_verb **v = snd_array_elem(&spec->verbs, i);
 634                 snd_hda_sequence_write(codec, *v);
 635         }
 636 }
 637 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs);
 638
 639 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 640                            const struct hda_pintbl *cfg)
 641 {
 642         for (; cfg->nid; cfg++)
 643                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 644 }
 645 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs);
 646
 647 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 648 {
 649         struct hda_gen_spec *spec = codec->spec;
 650         int id = spec->fixup_id;
 651 #ifdef CONFIG_SND_DEBUG_VERBOSE
 652         const char *modelname = spec->fixup_name;
 653 #endif
 654         int depth = 0;
 655
 656         if (!spec->fixup_list)
 657                 return;
 658
 659         while (id >= 0) {
 660                 const struct hda_fixup *fix = spec->fixup_list + id;
 661
 662                 switch (fix->type) {
 663                 case HDA_FIXUP_PINS:
 664                         if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 665                                 break;
 666                         snd_printdd(KERN_INFO SFX
 667                                     "%s: Apply pincfg for %s\n",
 668                                     codec->chip_name, modelname);
 669                         snd_hda_apply_pincfgs(codec, fix->v.pins);
 670                         break;
 671                 case HDA_FIXUP_VERBS:
 672                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 673                                 break;
 674                         snd_printdd(KERN_INFO SFX
 675                                     "%s: Apply fix-verbs for %s\n",
 676                                     codec->chip_name, modelname);
 677                         snd_hda_gen_add_verbs(codec->spec, fix->v.verbs);
 678                         break;
 679                 case HDA_FIXUP_FUNC:
 680                         if (!fix->v.func)
 681                                 break;
 682                         snd_printdd(KERN_INFO SFX
 683                                     "%s: Apply fix-func for %s\n",
 684                                     codec->chip_name, modelname);
 685                         fix->v.func(codec, fix, action);
 686                         break;
 687                 default:
 688                         snd_printk(KERN_ERR SFX
 689                                    "%s: Invalid fixup type %d\n",
 690                                    codec->chip_name, fix->type);
 691                         break;
 692                 }
 693                 if (!fix->chained)
 694                         break;
 695                 if (++depth > 10)
 696                         break;
 697                 id = fix->chain_id;
 698         }
 699 }
 700 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup);
 701
 702 void snd_hda_pick_fixup(struct hda_codec *codec,
 703                         const struct hda_model_fixup *models,
 704                         const struct snd_pci_quirk *quirk,
 705                         const struct hda_fixup *fixlist)
 706 {
 707         struct hda_gen_spec *spec = codec->spec;
 708         const struct snd_pci_quirk *q;
 709         int id = -1;
 710         const char *name = NULL;
 711
 712         /* when model=nofixup is given, don't pick up any fixups */
 713         if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 714                 spec->fixup_list = NULL;
 715                 spec->fixup_id = -1;
 716                 return;
 717         }
 718
 719         if (codec->modelname && models) {
 720                 while (models->name) {
 721                         if (!strcmp(codec->modelname, models->name)) {
 722                                 id = models->id;
 723                                 name = models->name;
 724                                 break;
 725                         }
 726                         models++;
 727                 }
 728         }
 729         if (id < 0 && quirk) {
 730                 q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
 731                 if (q) {
 732                         id = q->value;
 733 #ifdef CONFIG_SND_DEBUG_VERBOSE
 734                         name = q->name;
 735 #endif
 736                 }
 737         }
 738         if (id < 0 && quirk) {
 739                 for (q = quirk; q->subvendor; q++) {
 740                         unsigned int vendorid =
 741                                 q->subdevice | (q->subvendor << 16);
 742                         if (vendorid == codec->subsystem_id) {
 743                                 id = q->value;
 744 #ifdef CONFIG_SND_DEBUG_VERBOSE
 745                                 name = q->name;
 746 #endif
 747                                 break;
 748                         }
 749                 }
 750         }
 751
 752         spec->fixup_id = id;
 753         if (id >= 0) {
 754                 spec->fixup_list = fixlist;
 755                 spec->fixup_name = name;
 756         }
 757 }
 758 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);