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 #define SFX     "hda_codec: "
  21
  22 /*
  23  * Helper for automatic pin configuration
  24  */
  25
  26 static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
  27 {
  28         for (; *list; list++)
  29                 if (*list == nid)
  30                         return 1;
  31         return 0;
  32 }
  33
  34 /* a pair of input pin and its sequence */
  35 struct auto_out_pin {
  36         hda_nid_t pin;
  37         short seq;
  38 };
  39
  40 static int compare_seq(const void *ap, const void *bp)
  41 {
  42         const struct auto_out_pin *a = ap;
  43         const struct auto_out_pin *b = bp;
  44         return (int)(a->seq - b->seq);
  45 }
  46
  47 /*
  48  * Sort an associated group of pins according to their sequence numbers.
  49  * then store it to a pin array.
  50  */
  51 static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
  52                                   int num_pins)
  53 {
  54         int i;
  55         sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
  56         for (i = 0; i < num_pins; i++)
  57                 pins[i] = list[i].pin;
  58 }
  59
  60
  61 /* add the found input-pin to the cfg->inputs[] table */
  62 static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid,
  63                                    int type)
  64 {
  65         if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
  66                 cfg->inputs[cfg->num_inputs].pin = nid;
  67                 cfg->inputs[cfg->num_inputs].type = type;
  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         return (int)(a->type - b->type);
  77 }
  78
  79 /* Reorder the surround channels
  80  * ALSA sequence is front/surr/clfe/side
  81  * HDA sequence is:
  82  *    4-ch: front/surr  =>  OK as it is
  83  *    6-ch: front/clfe/surr
  84  *    8-ch: front/clfe/rear/side|fc
  85  */
  86 static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
  87 {
  88         hda_nid_t nid;
  89
  90         switch (nums) {
  91         case 3:
  92         case 4:
  93                 nid = pins[1];
  94                 pins[1] = pins[2];
  95                 pins[2] = nid;
  96                 break;
  97         }
  98 }
  99
 100 /* check whether the given pin has a proper pin I/O capability bit */
 101 static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
 102                                   unsigned int dev)
 103 {
 104         unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
 105
 106         /* some old hardware don't return the proper pincaps */
 107         if (!pincap)
 108                 return true;
 109
 110         switch (dev) {
 111         case AC_JACK_LINE_OUT:
 112         case AC_JACK_SPEAKER:
 113         case AC_JACK_HP_OUT:
 114         case AC_JACK_SPDIF_OUT:
 115         case AC_JACK_DIG_OTHER_OUT:
 116                 return !!(pincap & AC_PINCAP_OUT);
 117         default:
 118                 return !!(pincap & AC_PINCAP_IN);
 119         }
 120 }
 121
 122 static bool can_be_headset_mic(struct hda_codec *codec,
 123                                struct auto_pin_cfg_item *item,
 124                                int seq_number)
 125 {
 126         int attr;
 127         unsigned int def_conf;
 128         if (item->type != AUTO_PIN_MIC)
 129                 return false;
 130
 131         if (item->is_headset_mic || item->is_headphone_mic)
 132                 return false; /* Already assigned */
 133
 134         def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
 135         attr = snd_hda_get_input_pin_attr(def_conf);
 136         if (attr <= INPUT_PIN_ATTR_DOCK)
 137                 return false;
 138
 139         if (seq_number >= 0) {
 140                 int seq = get_defcfg_sequence(def_conf);
 141                 if (seq != seq_number)
 142                         return false;
 143         }
 144
 145         return true;
 146 }
 147
 148 /*
 149  * Parse all pin widgets and store the useful pin nids to cfg
 150  *
 151  * The number of line-outs or any primary output is stored in line_outs,
 152  * and the corresponding output pins are assigned to line_out_pins[],
 153  * in the order of front, rear, CLFE, side, ...
 154  *
 155  * If more extra outputs (speaker and headphone) are found, the pins are
 156  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
 157  * is detected, one of speaker of HP pins is assigned as the primary
 158  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
 159  * if any analog output exists.
 160  *
 161  * The analog input pins are assigned to inputs array.
 162  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
 163  * respectively.
 164  */
 165 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 166                              struct auto_pin_cfg *cfg,
 167                              const hda_nid_t *ignore_nids,
 168                              unsigned int cond_flags)
 169 {
 170         hda_nid_t nid, end_nid;
 171         short seq, assoc_line_out;
 172         struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
 173         struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
 174         struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
 175         int i;
 176
 177         if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
 178                 cond_flags = i;
 179
 180         memset(cfg, 0, sizeof(*cfg));
 181
 182         memset(line_out, 0, sizeof(line_out));
 183         memset(speaker_out, 0, sizeof(speaker_out));
 184         memset(hp_out, 0, sizeof(hp_out));
 185         assoc_line_out = 0;
 186
 187         end_nid = codec->start_nid + codec->num_nodes;
 188         for (nid = codec->start_nid; nid < end_nid; nid++) {
 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(cfg, nid, AUTO_PIN_MIC);
 274                         break;
 275                 case AC_JACK_LINE_IN:
 276                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
 277                         break;
 278                 case AC_JACK_CD:
 279                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
 280                         break;
 281                 case AC_JACK_AUX:
 282                         add_auto_cfg_input_pin(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: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 408                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
 409                    cfg->line_out_pins[2], cfg->line_out_pins[3],
 410                    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 int snd_hda_get_input_pin_attr(unsigned int def_conf)
 440 {
 441         unsigned int loc = get_defcfg_location(def_conf);
 442         unsigned int conn = get_defcfg_connect(def_conf);
 443         if (conn == AC_JACK_PORT_NONE)
 444                 return INPUT_PIN_ATTR_UNUSED;
 445         /* Windows may claim the internal mic to be BOTH, too */
 446         if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 447                 return INPUT_PIN_ATTR_INT;
 448         if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 449                 return INPUT_PIN_ATTR_INT;
 450         if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 451                 return INPUT_PIN_ATTR_DOCK;
 452         if (loc == AC_JACK_LOC_REAR)
 453                 return INPUT_PIN_ATTR_REAR;
 454         if (loc == AC_JACK_LOC_FRONT)
 455                 return INPUT_PIN_ATTR_FRONT;
 456         return INPUT_PIN_ATTR_NORMAL;
 457 }
 458 EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
 459
 460 /**
 461  * hda_get_input_pin_label - Give a label for the given input pin
 462  *
 463  * When check_location is true, the function checks the pin location
 464  * for mic and line-in pins, and set an appropriate prefix like "Front",
 465  * "Rear", "Internal".
 466  */
 467
 468 static const char *hda_get_input_pin_label(struct hda_codec *codec,
 469                                            const struct auto_pin_cfg_item *item,
 470                                            hda_nid_t pin, bool check_location)
 471 {
 472         unsigned int def_conf;
 473         static const char * const mic_names[] = {
 474                 "Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
 475         };
 476         int attr;
 477
 478         def_conf = snd_hda_codec_get_pincfg(codec, pin);
 479
 480         switch (get_defcfg_device(def_conf)) {
 481         case AC_JACK_MIC_IN:
 482                 if (item && item->is_headset_mic)
 483                         return "Headset Mic";
 484                 if (item && item->is_headphone_mic)
 485                         return "Headphone Mic";
 486                 if (!check_location)
 487                         return "Mic";
 488                 attr = snd_hda_get_input_pin_attr(def_conf);
 489                 if (!attr)
 490                         return "None";
 491                 return mic_names[attr - 1];
 492         case AC_JACK_LINE_IN:
 493                 if (!check_location)
 494                         return "Line";
 495                 attr = snd_hda_get_input_pin_attr(def_conf);
 496                 if (!attr)
 497                         return "None";
 498                 if (attr == INPUT_PIN_ATTR_DOCK)
 499                         return "Dock Line";
 500                 return "Line";
 501         case AC_JACK_AUX:
 502                 return "Aux";
 503         case AC_JACK_CD:
 504                 return "CD";
 505         case AC_JACK_SPDIF_IN:
 506                 return "SPDIF In";
 507         case AC_JACK_DIG_OTHER_IN:
 508                 return "Digital In";
 509         case AC_JACK_HP_OUT:
 510                 return "Headphone Mic";
 511         default:
 512                 return "Misc";
 513         }
 514 }
 515
 516 /* Check whether the location prefix needs to be added to the label.
 517  * If all mic-jacks are in the same location (e.g. rear panel), we don't
 518  * have to put "Front" prefix to each label.  In such a case, returns false.
 519  */
 520 static int check_mic_location_need(struct hda_codec *codec,
 521                                    const struct auto_pin_cfg *cfg,
 522                                    int input)
 523 {
 524         unsigned int defc;
 525         int i, attr, attr2;
 526
 527         defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 528         attr = snd_hda_get_input_pin_attr(defc);
 529         /* for internal or docking mics, we need locations */
 530         if (attr <= INPUT_PIN_ATTR_NORMAL)
 531                 return 1;
 532
 533         attr = 0;
 534         for (i = 0; i < cfg->num_inputs; i++) {
 535                 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 536                 attr2 = snd_hda_get_input_pin_attr(defc);
 537                 if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 538                         if (attr && attr != attr2)
 539                                 return 1; /* different locations found */
 540                         attr = attr2;
 541                 }
 542         }
 543         return 0;
 544 }
 545
 546 /**
 547  * hda_get_autocfg_input_label - Get a label for the given input
 548  *
 549  * Get a label for the given input pin defined by the autocfg item.
 550  * Unlike hda_get_input_pin_label(), this function checks all inputs
 551  * defined in autocfg and avoids the redundant mic/line prefix as much as
 552  * possible.
 553  */
 554 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 555                                         const struct auto_pin_cfg *cfg,
 556                                         int input)
 557 {
 558         int type = cfg->inputs[input].type;
 559         int has_multiple_pins = 0;
 560
 561         if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 562             (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 563                 has_multiple_pins = 1;
 564         if (has_multiple_pins && type == AUTO_PIN_MIC)
 565                 has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 566         return hda_get_input_pin_label(codec, &cfg->inputs[input],
 567                                        cfg->inputs[input].pin,
 568                                        has_multiple_pins);
 569 }
 570 EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
 571
 572 /* return the position of NID in the list, or -1 if not found */
 573 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 574 {
 575         int i;
 576         for (i = 0; i < nums; i++)
 577                 if (list[i] == nid)
 578                         return i;
 579         return -1;
 580 }
 581
 582 /* get a unique suffix or an index number */
 583 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 584                                     int num_pins, int *indexp)
 585 {
 586         static const char * const channel_sfx[] = {
 587                 " Front", " Surround", " CLFE", " Side"
 588         };
 589         int i;
 590
 591         i = find_idx_in_nid_list(nid, pins, num_pins);
 592         if (i < 0)
 593                 return NULL;
 594         if (num_pins == 1)
 595                 return "";
 596         if (num_pins > ARRAY_SIZE(channel_sfx)) {
 597                 if (indexp)
 598                         *indexp = i;
 599                 return "";
 600         }
 601         return channel_sfx[i];
 602 }
 603
 604 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
 605 {
 606         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 607         int attr = snd_hda_get_input_pin_attr(def_conf);
 608
 609         /* check the location */
 610         switch (attr) {
 611         case INPUT_PIN_ATTR_DOCK:
 612                 return "Dock ";
 613         case INPUT_PIN_ATTR_FRONT:
 614                 return "Front ";
 615         }
 616         return "";
 617 }
 618
 619 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
 620                               const hda_nid_t *pins, int num_pins)
 621 {
 622         int i, j, idx = 0;
 623
 624         const char *pfx = check_output_pfx(codec, nid);
 625
 626         i = find_idx_in_nid_list(nid, pins, num_pins);
 627         if (i < 0)
 628                 return -1;
 629         for (j = 0; j < i; j++)
 630                 if (pfx == check_output_pfx(codec, pins[j]))
 631                         idx++;
 632
 633         return idx;
 634 }
 635
 636 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 637                                const struct auto_pin_cfg *cfg,
 638                                const char *name, char *label, int maxlen,
 639                                int *indexp)
 640 {
 641         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 642         int attr = snd_hda_get_input_pin_attr(def_conf);
 643         const char *pfx, *sfx = "";
 644
 645         /* handle as a speaker if it's a fixed line-out */
 646         if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 647                 name = "Speaker";
 648         pfx = check_output_pfx(codec, nid);
 649
 650         if (cfg) {
 651                 /* try to give a unique suffix if needed */
 652                 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 653                                        indexp);
 654                 if (!sfx)
 655                         sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 656                                                indexp);
 657                 if (!sfx) {
 658                         /* don't add channel suffix for Headphone controls */
 659                         int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
 660                                                      cfg->hp_outs);
 661                         if (idx >= 0 && indexp)
 662                                 *indexp = idx;
 663                         sfx = "";
 664                 }
 665         }
 666         snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 667         return 1;
 668 }
 669
 670 #define is_hdmi_cfg(conf) \
 671         (get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
 672
 673 /**
 674  * snd_hda_get_pin_label - Get a label for the given I/O pin
 675  *
 676  * Get a label for the given pin.  This function works for both input and
 677  * output pins.  When @cfg is given as non-NULL, the function tries to get
 678  * an optimized label using hda_get_autocfg_input_label().
 679  *
 680  * This function tries to give a unique label string for the pin as much as
 681  * possible.  For example, when the multiple line-outs are present, it adds
 682  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 683  * If no unique name with a suffix is available and @indexp is non-NULL, the
 684  * index number is stored in the pointer.
 685  */
 686 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 687                           const struct auto_pin_cfg *cfg,
 688                           char *label, int maxlen, int *indexp)
 689 {
 690         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 691         const char *name = NULL;
 692         int i;
 693         bool hdmi;
 694
 695         if (indexp)
 696                 *indexp = 0;
 697         if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 698                 return 0;
 699
 700         switch (get_defcfg_device(def_conf)) {
 701         case AC_JACK_LINE_OUT:
 702                 return fill_audio_out_name(codec, nid, cfg, "Line Out",
 703                                            label, maxlen, indexp);
 704         case AC_JACK_SPEAKER:
 705                 return fill_audio_out_name(codec, nid, cfg, "Speaker",
 706                                            label, maxlen, indexp);
 707         case AC_JACK_HP_OUT:
 708                 return fill_audio_out_name(codec, nid, cfg, "Headphone",
 709                                            label, maxlen, indexp);
 710         case AC_JACK_SPDIF_OUT:
 711         case AC_JACK_DIG_OTHER_OUT:
 712                 hdmi = is_hdmi_cfg(def_conf);
 713                 name = hdmi ? "HDMI" : "SPDIF";
 714                 if (cfg && indexp)
 715                         for (i = 0; i < cfg->dig_outs; i++) {
 716                                 hda_nid_t pin = cfg->dig_out_pins[i];
 717                                 unsigned int c;
 718                                 if (pin == nid)
 719                                         break;
 720                                 c = snd_hda_codec_get_pincfg(codec, pin);
 721                                 if (hdmi == is_hdmi_cfg(c))
 722                                         (*indexp)++;
 723                         }
 724                 break;
 725         default:
 726                 if (cfg) {
 727                         for (i = 0; i < cfg->num_inputs; i++) {
 728                                 if (cfg->inputs[i].pin != nid)
 729                                         continue;
 730                                 name = hda_get_autocfg_input_label(codec, cfg, i);
 731                                 if (name)
 732                                         break;
 733                         }
 734                 }
 735                 if (!name)
 736                         name = hda_get_input_pin_label(codec, NULL, nid, true);
 737                 break;
 738         }
 739         if (!name)
 740                 return 0;
 741         strlcpy(label, name, maxlen);
 742         return 1;
 743 }
 744 EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
 745
 746 int snd_hda_add_verbs(struct hda_codec *codec,
 747                       const struct hda_verb *list)
 748 {
 749         const struct hda_verb **v;
 750         v = snd_array_new(&codec->verbs);
 751         if (!v)
 752                 return -ENOMEM;
 753         *v = list;
 754         return 0;
 755 }
 756 EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
 757
 758 void snd_hda_apply_verbs(struct hda_codec *codec)
 759 {
 760         int i;
 761         for (i = 0; i < codec->verbs.used; i++) {
 762                 struct hda_verb **v = snd_array_elem(&codec->verbs, i);
 763                 snd_hda_sequence_write(codec, *v);
 764         }
 765 }
 766 EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
 767
 768 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 769                            const struct hda_pintbl *cfg)
 770 {
 771         for (; cfg->nid; cfg++)
 772                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 773 }
 774 EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
 775
 776 static void set_pin_targets(struct hda_codec *codec,
 777                             const struct hda_pintbl *cfg)
 778 {
 779         for (; cfg->nid; cfg++)
 780                 snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
 781 }
 782
 783 static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
 784 {
 785         const char *modelname = codec->fixup_name;
 786
 787         while (id >= 0) {
 788                 const struct hda_fixup *fix = codec->fixup_list + id;
 789
 790                 if (fix->chained_before)
 791                         apply_fixup(codec, fix->chain_id, action, depth + 1);
 792
 793                 switch (fix->type) {
 794                 case HDA_FIXUP_PINS:
 795                         if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 796                                 break;
 797                         codec_dbg(codec, "%s: Apply pincfg for %s\n",
 798                                     codec->chip_name, modelname);
 799                         snd_hda_apply_pincfgs(codec, fix->v.pins);
 800                         break;
 801                 case HDA_FIXUP_VERBS:
 802                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 803                                 break;
 804                         codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
 805                                     codec->chip_name, modelname);
 806                         snd_hda_add_verbs(codec, fix->v.verbs);
 807                         break;
 808                 case HDA_FIXUP_FUNC:
 809                         if (!fix->v.func)
 810                                 break;
 811                         codec_dbg(codec, "%s: Apply fix-func for %s\n",
 812                                     codec->chip_name, modelname);
 813                         fix->v.func(codec, fix, action);
 814                         break;
 815                 case HDA_FIXUP_PINCTLS:
 816                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
 817                                 break;
 818                         codec_dbg(codec, "%s: Apply pinctl for %s\n",
 819                                     codec->chip_name, modelname);
 820                         set_pin_targets(codec, fix->v.pins);
 821                         break;
 822                 default:
 823                         codec_err(codec, "%s: Invalid fixup type %d\n",
 824                                    codec->chip_name, fix->type);
 825                         break;
 826                 }
 827                 if (!fix->chained || fix->chained_before)
 828                         break;
 829                 if (++depth > 10)
 830                         break;
 831                 id = fix->chain_id;
 832         }
 833 }
 834
 835 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 836 {
 837         if (codec->fixup_list)
 838                 apply_fixup(codec, codec->fixup_id, action, 0);
 839 }
 840 EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
 841
 842 void snd_hda_pick_fixup(struct hda_codec *codec,
 843                         const struct hda_model_fixup *models,
 844                         const struct snd_pci_quirk *quirk,
 845                         const struct hda_fixup *fixlist)
 846 {
 847         const struct snd_pci_quirk *q;
 848         int id = -1;
 849         const char *name = NULL;
 850
 851         /* when model=nofixup is given, don't pick up any fixups */
 852         if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 853                 codec->fixup_list = NULL;
 854                 codec->fixup_id = -1;
 855                 return;
 856         }
 857
 858         if (codec->modelname && models) {
 859                 while (models->name) {
 860                         if (!strcmp(codec->modelname, models->name)) {
 861                                 id = models->id;
 862                                 name = models->name;
 863                                 break;
 864                         }
 865                         models++;
 866                 }
 867         }
 868         if (id < 0 && quirk) {
 869                 q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
 870                 if (q) {
 871                         id = q->value;
 872 #ifdef CONFIG_SND_DEBUG_VERBOSE
 873                         name = q->name;
 874 #endif
 875                 }
 876         }
 877         if (id < 0 && quirk) {
 878                 for (q = quirk; q->subvendor || q->subdevice; q++) {
 879                         unsigned int vendorid =
 880                                 q->subdevice | (q->subvendor << 16);
 881                         unsigned int mask = 0xffff0000 | q->subdevice_mask;
 882                         if ((codec->subsystem_id & mask) == (vendorid & mask)) {
 883                                 id = q->value;
 884 #ifdef CONFIG_SND_DEBUG_VERBOSE
 885                                 name = q->name;
 886 #endif
 887                                 break;
 888                         }
 889                 }
 890         }
 891
 892         codec->fixup_id = id;
 893         if (id >= 0) {
 894                 codec->fixup_list = fixlist;
 895                 codec->fixup_name = name;
 896         }
 897 }
 898 EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);