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 /*
 101  * Parse all pin widgets and store the useful pin nids to cfg
 102  *
 103  * The number of line-outs or any primary output is stored in line_outs,
 104  * and the corresponding output pins are assigned to line_out_pins[],
 105  * in the order of front, rear, CLFE, side, ...
 106  *
 107  * If more extra outputs (speaker and headphone) are found, the pins are
 108  * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
 109  * is detected, one of speaker of HP pins is assigned as the primary
 110  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
 111  * if any analog output exists.
 112  *
 113  * The analog input pins are assigned to inputs array.
 114  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
 115  * respectively.
 116  */
 117 int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 118                              struct auto_pin_cfg *cfg,
 119                              const hda_nid_t *ignore_nids,
 120                              unsigned int cond_flags)
 121 {
 122         hda_nid_t nid, end_nid;
 123         short seq, assoc_line_out;
 124         struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
 125         struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
 126         struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
 127         int i;
 128
 129         memset(cfg, 0, sizeof(*cfg));
 130
 131         memset(line_out, 0, sizeof(line_out));
 132         memset(speaker_out, 0, sizeof(speaker_out));
 133         memset(hp_out, 0, sizeof(hp_out));
 134         assoc_line_out = 0;
 135
 136         end_nid = codec->start_nid + codec->num_nodes;
 137         for (nid = codec->start_nid; nid < end_nid; nid++) {
 138                 unsigned int wid_caps = get_wcaps(codec, nid);
 139                 unsigned int wid_type = get_wcaps_type(wid_caps);
 140                 unsigned int def_conf;
 141                 short assoc, loc, conn, dev;
 142
 143                 /* read all default configuration for pin complex */
 144                 if (wid_type != AC_WID_PIN)
 145                         continue;
 146                 /* ignore the given nids (e.g. pc-beep returns error) */
 147                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
 148                         continue;
 149
 150                 def_conf = snd_hda_codec_get_pincfg(codec, nid);
 151                 conn = get_defcfg_connect(def_conf);
 152                 if (conn == AC_JACK_PORT_NONE)
 153                         continue;
 154                 loc = get_defcfg_location(def_conf);
 155                 dev = get_defcfg_device(def_conf);
 156
 157                 /* workaround for buggy BIOS setups */
 158                 if (dev == AC_JACK_LINE_OUT) {
 159                         if (conn == AC_JACK_PORT_FIXED)
 160                                 dev = AC_JACK_SPEAKER;
 161                 }
 162
 163                 switch (dev) {
 164                 case AC_JACK_LINE_OUT:
 165                         seq = get_defcfg_sequence(def_conf);
 166                         assoc = get_defcfg_association(def_conf);
 167
 168                         if (!(wid_caps & AC_WCAP_STEREO))
 169                                 if (!cfg->mono_out_pin)
 170                                         cfg->mono_out_pin = nid;
 171                         if (!assoc)
 172                                 continue;
 173                         if (!assoc_line_out)
 174                                 assoc_line_out = assoc;
 175                         else if (assoc_line_out != assoc)
 176                                 continue;
 177                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
 178                                 continue;
 179                         line_out[cfg->line_outs].pin = nid;
 180                         line_out[cfg->line_outs].seq = seq;
 181                         cfg->line_outs++;
 182                         break;
 183                 case AC_JACK_SPEAKER:
 184                         seq = get_defcfg_sequence(def_conf);
 185                         assoc = get_defcfg_association(def_conf);
 186                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
 187                                 continue;
 188                         speaker_out[cfg->speaker_outs].pin = nid;
 189                         speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
 190                         cfg->speaker_outs++;
 191                         break;
 192                 case AC_JACK_HP_OUT:
 193                         seq = get_defcfg_sequence(def_conf);
 194                         assoc = get_defcfg_association(def_conf);
 195                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
 196                                 continue;
 197                         hp_out[cfg->hp_outs].pin = nid;
 198                         hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
 199                         cfg->hp_outs++;
 200                         break;
 201                 case AC_JACK_MIC_IN:
 202                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC);
 203                         break;
 204                 case AC_JACK_LINE_IN:
 205                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
 206                         break;
 207                 case AC_JACK_CD:
 208                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
 209                         break;
 210                 case AC_JACK_AUX:
 211                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX);
 212                         break;
 213                 case AC_JACK_SPDIF_OUT:
 214                 case AC_JACK_DIG_OTHER_OUT:
 215                         if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
 216                                 continue;
 217                         cfg->dig_out_pins[cfg->dig_outs] = nid;
 218                         cfg->dig_out_type[cfg->dig_outs] =
 219                                 (loc == AC_JACK_LOC_HDMI) ?
 220                                 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
 221                         cfg->dig_outs++;
 222                         break;
 223                 case AC_JACK_SPDIF_IN:
 224                 case AC_JACK_DIG_OTHER_IN:
 225                         cfg->dig_in_pin = nid;
 226                         if (loc == AC_JACK_LOC_HDMI)
 227                                 cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
 228                         else
 229                                 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
 230                         break;
 231                 }
 232         }
 233
 234         /* FIX-UP:
 235          * If no line-out is defined but multiple HPs are found,
 236          * some of them might be the real line-outs.
 237          */
 238         if (!cfg->line_outs && cfg->hp_outs > 1 &&
 239             !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
 240                 int i = 0;
 241                 while (i < cfg->hp_outs) {
 242                         /* The real HPs should have the sequence 0x0f */
 243                         if ((hp_out[i].seq & 0x0f) == 0x0f) {
 244                                 i++;
 245                                 continue;
 246                         }
 247                         /* Move it to the line-out table */
 248                         line_out[cfg->line_outs++] = hp_out[i];
 249                         cfg->hp_outs--;
 250                         memmove(hp_out + i, hp_out + i + 1,
 251                                 sizeof(hp_out[0]) * (cfg->hp_outs - i));
 252                 }
 253                 memset(hp_out + cfg->hp_outs, 0,
 254                        sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
 255                 if (!cfg->hp_outs)
 256                         cfg->line_out_type = AUTO_PIN_HP_OUT;
 257
 258         }
 259
 260         /* sort by sequence */
 261         sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
 262         sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
 263                               cfg->speaker_outs);
 264         sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
 265
 266         /*
 267          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
 268          * as a primary output
 269          */
 270         if (!cfg->line_outs &&
 271             !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
 272                 if (cfg->speaker_outs) {
 273                         cfg->line_outs = cfg->speaker_outs;
 274                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
 275                                sizeof(cfg->speaker_pins));
 276                         cfg->speaker_outs = 0;
 277                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
 278                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
 279                 } else if (cfg->hp_outs) {
 280                         cfg->line_outs = cfg->hp_outs;
 281                         memcpy(cfg->line_out_pins, cfg->hp_pins,
 282                                sizeof(cfg->hp_pins));
 283                         cfg->hp_outs = 0;
 284                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
 285                         cfg->line_out_type = AUTO_PIN_HP_OUT;
 286                 }
 287         }
 288
 289         reorder_outputs(cfg->line_outs, cfg->line_out_pins);
 290         reorder_outputs(cfg->hp_outs, cfg->hp_pins);
 291         reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
 292
 293         /* sort inputs in the order of AUTO_PIN_* type */
 294         sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
 295              compare_input_type, NULL);
 296
 297         /*
 298          * debug prints of the parsed results
 299          */
 300         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 301                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
 302                    cfg->line_out_pins[2], cfg->line_out_pins[3],
 303                    cfg->line_out_pins[4],
 304                    cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
 305                    (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
 306                     "speaker" : "line"));
 307         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 308                    cfg->speaker_outs, cfg->speaker_pins[0],
 309                    cfg->speaker_pins[1], cfg->speaker_pins[2],
 310                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
 311         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 312                    cfg->hp_outs, cfg->hp_pins[0],
 313                    cfg->hp_pins[1], cfg->hp_pins[2],
 314                    cfg->hp_pins[3], cfg->hp_pins[4]);
 315         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
 316         if (cfg->dig_outs)
 317                 snd_printd("   dig-out=0x%x/0x%x\n",
 318                            cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
 319         snd_printd("   inputs:\n");
 320         for (i = 0; i < cfg->num_inputs; i++) {
 321                 snd_printd("     %s=0x%x\n",
 322                             hda_get_autocfg_input_label(codec, cfg, i),
 323                             cfg->inputs[i].pin);
 324         }
 325         if (cfg->dig_in_pin)
 326                 snd_printd("   dig-in=0x%x\n", cfg->dig_in_pin);
 327
 328         return 0;
 329 }
 330 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg);
 331
 332 int snd_hda_get_input_pin_attr(unsigned int def_conf)
 333 {
 334         unsigned int loc = get_defcfg_location(def_conf);
 335         unsigned int conn = get_defcfg_connect(def_conf);
 336         if (conn == AC_JACK_PORT_NONE)
 337                 return INPUT_PIN_ATTR_UNUSED;
 338         /* Windows may claim the internal mic to be BOTH, too */
 339         if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 340                 return INPUT_PIN_ATTR_INT;
 341         if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 342                 return INPUT_PIN_ATTR_INT;
 343         if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 344                 return INPUT_PIN_ATTR_DOCK;
 345         if (loc == AC_JACK_LOC_REAR)
 346                 return INPUT_PIN_ATTR_REAR;
 347         if (loc == AC_JACK_LOC_FRONT)
 348                 return INPUT_PIN_ATTR_FRONT;
 349         return INPUT_PIN_ATTR_NORMAL;
 350 }
 351 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr);
 352
 353 /**
 354  * hda_get_input_pin_label - Give a label for the given input pin
 355  *
 356  * When check_location is true, the function checks the pin location
 357  * for mic and line-in pins, and set an appropriate prefix like "Front",
 358  * "Rear", "Internal".
 359  */
 360
 361 static const char *hda_get_input_pin_label(struct hda_codec *codec,
 362                                            hda_nid_t pin, bool check_location)
 363 {
 364         unsigned int def_conf;
 365         static const char * const mic_names[] = {
 366                 "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
 367         };
 368         int attr;
 369
 370         def_conf = snd_hda_codec_get_pincfg(codec, pin);
 371
 372         switch (get_defcfg_device(def_conf)) {
 373         case AC_JACK_MIC_IN:
 374                 if (!check_location)
 375                         return "Mic";
 376                 attr = snd_hda_get_input_pin_attr(def_conf);
 377                 if (!attr)
 378                         return "None";
 379                 return mic_names[attr - 1];
 380         case AC_JACK_LINE_IN:
 381                 if (!check_location)
 382                         return "Line";
 383                 attr = snd_hda_get_input_pin_attr(def_conf);
 384                 if (!attr)
 385                         return "None";
 386                 if (attr == INPUT_PIN_ATTR_DOCK)
 387                         return "Dock Line";
 388                 return "Line";
 389         case AC_JACK_AUX:
 390                 return "Aux";
 391         case AC_JACK_CD:
 392                 return "CD";
 393         case AC_JACK_SPDIF_IN:
 394                 return "SPDIF In";
 395         case AC_JACK_DIG_OTHER_IN:
 396                 return "Digital In";
 397         default:
 398                 return "Misc";
 399         }
 400 }
 401
 402 /* Check whether the location prefix needs to be added to the label.
 403  * If all mic-jacks are in the same location (e.g. rear panel), we don't
 404  * have to put "Front" prefix to each label.  In such a case, returns false.
 405  */
 406 static int check_mic_location_need(struct hda_codec *codec,
 407                                    const struct auto_pin_cfg *cfg,
 408                                    int input)
 409 {
 410         unsigned int defc;
 411         int i, attr, attr2;
 412
 413         defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 414         attr = snd_hda_get_input_pin_attr(defc);
 415         /* for internal or docking mics, we need locations */
 416         if (attr <= INPUT_PIN_ATTR_NORMAL)
 417                 return 1;
 418
 419         attr = 0;
 420         for (i = 0; i < cfg->num_inputs; i++) {
 421                 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 422                 attr2 = snd_hda_get_input_pin_attr(defc);
 423                 if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 424                         if (attr && attr != attr2)
 425                                 return 1; /* different locations found */
 426                         attr = attr2;
 427                 }
 428         }
 429         return 0;
 430 }
 431
 432 /**
 433  * hda_get_autocfg_input_label - Get a label for the given input
 434  *
 435  * Get a label for the given input pin defined by the autocfg item.
 436  * Unlike hda_get_input_pin_label(), this function checks all inputs
 437  * defined in autocfg and avoids the redundant mic/line prefix as much as
 438  * possible.
 439  */
 440 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 441                                         const struct auto_pin_cfg *cfg,
 442                                         int input)
 443 {
 444         int type = cfg->inputs[input].type;
 445         int has_multiple_pins = 0;
 446
 447         if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 448             (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 449                 has_multiple_pins = 1;
 450         if (has_multiple_pins && type == AUTO_PIN_MIC)
 451                 has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 452         return hda_get_input_pin_label(codec, cfg->inputs[input].pin,
 453                                        has_multiple_pins);
 454 }
 455 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label);
 456
 457 /* return the position of NID in the list, or -1 if not found */
 458 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 459 {
 460         int i;
 461         for (i = 0; i < nums; i++)
 462                 if (list[i] == nid)
 463                         return i;
 464         return -1;
 465 }
 466
 467 /* get a unique suffix or an index number */
 468 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 469                                     int num_pins, int *indexp)
 470 {
 471         static const char * const channel_sfx[] = {
 472                 " Front", " Surround", " CLFE", " Side"
 473         };
 474         int i;
 475
 476         i = find_idx_in_nid_list(nid, pins, num_pins);
 477         if (i < 0)
 478                 return NULL;
 479         if (num_pins == 1)
 480                 return "";
 481         if (num_pins > ARRAY_SIZE(channel_sfx)) {
 482                 if (indexp)
 483                         *indexp = i;
 484                 return "";
 485         }
 486         return channel_sfx[i];
 487 }
 488
 489 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
 490 {
 491         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 492         int attr = snd_hda_get_input_pin_attr(def_conf);
 493
 494         /* check the location */
 495         switch (attr) {
 496         case INPUT_PIN_ATTR_DOCK:
 497                 return "Dock ";
 498         case INPUT_PIN_ATTR_FRONT:
 499                 return "Front ";
 500         }
 501         return "";
 502 }
 503
 504 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
 505                               const hda_nid_t *pins, int num_pins)
 506 {
 507         int i, j, idx = 0;
 508
 509         const char *pfx = check_output_pfx(codec, nid);
 510
 511         i = find_idx_in_nid_list(nid, pins, num_pins);
 512         if (i < 0)
 513                 return -1;
 514         for (j = 0; j < i; j++)
 515                 if (pfx == check_output_pfx(codec, pins[j]))
 516                         idx++;
 517
 518         return idx;
 519 }
 520
 521 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 522                                const struct auto_pin_cfg *cfg,
 523                                const char *name, char *label, int maxlen,
 524                                int *indexp)
 525 {
 526         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 527         int attr = snd_hda_get_input_pin_attr(def_conf);
 528         const char *pfx, *sfx = "";
 529
 530         /* handle as a speaker if it's a fixed line-out */
 531         if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 532                 name = "Speaker";
 533         pfx = check_output_pfx(codec, nid);
 534
 535         if (cfg) {
 536                 /* try to give a unique suffix if needed */
 537                 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 538                                        indexp);
 539                 if (!sfx)
 540                         sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 541                                                indexp);
 542                 if (!sfx) {
 543                         /* don't add channel suffix for Headphone controls */
 544                         int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
 545                                                      cfg->hp_outs);
 546                         if (idx >= 0)
 547                                 *indexp = idx;
 548                         sfx = "";
 549                 }
 550         }
 551         snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 552         return 1;
 553 }
 554
 555 /**
 556  * snd_hda_get_pin_label - Get a label for the given I/O pin
 557  *
 558  * Get a label for the given pin.  This function works for both input and
 559  * output pins.  When @cfg is given as non-NULL, the function tries to get
 560  * an optimized label using hda_get_autocfg_input_label().
 561  *
 562  * This function tries to give a unique label string for the pin as much as
 563  * possible.  For example, when the multiple line-outs are present, it adds
 564  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 565  * If no unique name with a suffix is available and @indexp is non-NULL, the
 566  * index number is stored in the pointer.
 567  */
 568 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 569                           const struct auto_pin_cfg *cfg,
 570                           char *label, int maxlen, int *indexp)
 571 {
 572         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 573         const char *name = NULL;
 574         int i;
 575
 576         if (indexp)
 577                 *indexp = 0;
 578         if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 579                 return 0;
 580
 581         switch (get_defcfg_device(def_conf)) {
 582         case AC_JACK_LINE_OUT:
 583                 return fill_audio_out_name(codec, nid, cfg, "Line Out",
 584                                            label, maxlen, indexp);
 585         case AC_JACK_SPEAKER:
 586                 return fill_audio_out_name(codec, nid, cfg, "Speaker",
 587                                            label, maxlen, indexp);
 588         case AC_JACK_HP_OUT:
 589                 return fill_audio_out_name(codec, nid, cfg, "Headphone",
 590                                            label, maxlen, indexp);
 591         case AC_JACK_SPDIF_OUT:
 592         case AC_JACK_DIG_OTHER_OUT:
 593                 if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI)
 594                         name = "HDMI";
 595                 else
 596                         name = "SPDIF";
 597                 if (cfg && indexp) {
 598                         i = find_idx_in_nid_list(nid, cfg->dig_out_pins,
 599                                                  cfg->dig_outs);
 600                         if (i >= 0)
 601                                 *indexp = i;
 602                 }
 603                 break;
 604         default:
 605                 if (cfg) {
 606                         for (i = 0; i < cfg->num_inputs; i++) {
 607                                 if (cfg->inputs[i].pin != nid)
 608                                         continue;
 609                                 name = hda_get_autocfg_input_label(codec, cfg, i);
 610                                 if (name)
 611                                         break;
 612                         }
 613                 }
 614                 if (!name)
 615                         name = hda_get_input_pin_label(codec, nid, true);
 616                 break;
 617         }
 618         if (!name)
 619                 return 0;
 620         strlcpy(label, name, maxlen);
 621         return 1;
 622 }
 623 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label);
 624
 625 int snd_hda_gen_add_verbs(struct hda_gen_spec *spec,
 626                           const struct hda_verb *list)
 627 {
 628         const struct hda_verb **v;
 629         v = snd_array_new(&spec->verbs);
 630         if (!v)
 631                 return -ENOMEM;
 632         *v = list;
 633         return 0;
 634 }
 635 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs);
 636
 637 void snd_hda_gen_apply_verbs(struct hda_codec *codec)
 638 {
 639         struct hda_gen_spec *spec = codec->spec;
 640         int i;
 641         for (i = 0; i < spec->verbs.used; i++) {
 642                 struct hda_verb **v = snd_array_elem(&spec->verbs, i);
 643                 snd_hda_sequence_write(codec, *v);
 644         }
 645 }
 646 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs);
 647
 648 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 649                            const struct hda_pintbl *cfg)
 650 {
 651         for (; cfg->nid; cfg++)
 652                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 653 }
 654 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs);
 655
 656 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 657 {
 658         struct hda_gen_spec *spec = codec->spec;
 659         int id = spec->fixup_id;
 660 #ifdef CONFIG_SND_DEBUG_VERBOSE
 661         const char *modelname = spec->fixup_name;
 662 #endif
 663         int depth = 0;
 664
 665         if (!spec->fixup_list)
 666                 return;
 667
 668         while (id >= 0) {
 669                 const struct hda_fixup *fix = spec->fixup_list + id;
 670
 671                 switch (fix->type) {
 672                 case HDA_FIXUP_PINS:
 673                         if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 674                                 break;
 675                         snd_printdd(KERN_INFO SFX
 676                                     "%s: Apply pincfg for %s\n",
 677                                     codec->chip_name, modelname);
 678                         snd_hda_apply_pincfgs(codec, fix->v.pins);
 679                         break;
 680                 case HDA_FIXUP_VERBS:
 681                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 682                                 break;
 683                         snd_printdd(KERN_INFO SFX
 684                                     "%s: Apply fix-verbs for %s\n",
 685                                     codec->chip_name, modelname);
 686                         snd_hda_gen_add_verbs(codec->spec, fix->v.verbs);
 687                         break;
 688                 case HDA_FIXUP_FUNC:
 689                         if (!fix->v.func)
 690                                 break;
 691                         snd_printdd(KERN_INFO SFX
 692                                     "%s: Apply fix-func for %s\n",
 693                                     codec->chip_name, modelname);
 694                         fix->v.func(codec, fix, action);
 695                         break;
 696                 default:
 697                         snd_printk(KERN_ERR SFX
 698                                    "%s: Invalid fixup type %d\n",
 699                                    codec->chip_name, fix->type);
 700                         break;
 701                 }
 702                 if (!fix->chained)
 703                         break;
 704                 if (++depth > 10)
 705                         break;
 706                 id = fix->chain_id;
 707         }
 708 }
 709 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup);
 710
 711 void snd_hda_pick_fixup(struct hda_codec *codec,
 712                         const struct hda_model_fixup *models,
 713                         const struct snd_pci_quirk *quirk,
 714                         const struct hda_fixup *fixlist)
 715 {
 716         struct hda_gen_spec *spec = codec->spec;
 717         const struct snd_pci_quirk *q;
 718         int id = -1;
 719         const char *name = NULL;
 720
 721         /* when model=nofixup is given, don't pick up any fixups */
 722         if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 723                 spec->fixup_list = NULL;
 724                 spec->fixup_id = -1;
 725                 return;
 726         }
 727
 728         if (codec->modelname && models) {
 729                 while (models->name) {
 730                         if (!strcmp(codec->modelname, models->name)) {
 731                                 id = models->id;
 732                                 name = models->name;
 733                                 break;
 734                         }
 735                         models++;
 736                 }
 737         }
 738         if (id < 0 && quirk) {
 739                 q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
 740                 if (q) {
 741                         id = q->value;
 742 #ifdef CONFIG_SND_DEBUG_VERBOSE
 743                         name = q->name;
 744 #endif
 745                 }
 746         }
 747         if (id < 0 && quirk) {
 748                 for (q = quirk; q->subvendor; q++) {
 749                         unsigned int vendorid =
 750                                 q->subdevice | (q->subvendor << 16);
 751                         unsigned int mask = 0xffff0000 | q->subdevice_mask;
 752                         if ((codec->subsystem_id & mask) == (vendorid & mask)) {
 753                                 id = q->value;
 754 #ifdef CONFIG_SND_DEBUG_VERBOSE
 755                                 name = q->name;
 756 #endif
 757                                 break;
 758                         }
 759                 }
 760         }
 761
 762         spec->fixup_id = id;
 763         if (id >= 0) {
 764                 spec->fixup_list = fixlist;
 765                 spec->fixup_name = name;
 766         }
 767 }
 768 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);