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         end_nid = codec->start_nid + codec->num_nodes;
 145         for (nid = codec->start_nid; nid < end_nid; nid++) {
 146                 unsigned int wid_caps = get_wcaps(codec, nid);
 147                 unsigned int wid_type = get_wcaps_type(wid_caps);
 148                 unsigned int def_conf;
 149                 short assoc, loc, conn, dev;
 150
 151                 /* read all default configuration for pin complex */
 152                 if (wid_type != AC_WID_PIN)
 153                         continue;
 154                 /* ignore the given nids (e.g. pc-beep returns error) */
 155                 if (ignore_nids && is_in_nid_list(nid, ignore_nids))
 156                         continue;
 157
 158                 def_conf = snd_hda_codec_get_pincfg(codec, nid);
 159                 conn = get_defcfg_connect(def_conf);
 160                 if (conn == AC_JACK_PORT_NONE)
 161                         continue;
 162                 loc = get_defcfg_location(def_conf);
 163                 dev = get_defcfg_device(def_conf);
 164
 165                 /* workaround for buggy BIOS setups */
 166                 if (dev == AC_JACK_LINE_OUT) {
 167                         if (conn == AC_JACK_PORT_FIXED)
 168                                 dev = AC_JACK_SPEAKER;
 169                 }
 170
 171                 switch (dev) {
 172                 case AC_JACK_LINE_OUT:
 173                         seq = get_defcfg_sequence(def_conf);
 174                         assoc = get_defcfg_association(def_conf);
 175
 176                         if (!(wid_caps & AC_WCAP_STEREO))
 177                                 if (!cfg->mono_out_pin)
 178                                         cfg->mono_out_pin = nid;
 179                         if (!assoc)
 180                                 continue;
 181                         if (!assoc_line_out)
 182                                 assoc_line_out = assoc;
 183                         else if (assoc_line_out != assoc)
 184                                 continue;
 185                         if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins))
 186                                 continue;
 187                         cfg->line_out_pins[cfg->line_outs] = nid;
 188                         sequences_line_out[cfg->line_outs] = seq;
 189                         cfg->line_outs++;
 190                         break;
 191                 case AC_JACK_SPEAKER:
 192                         seq = get_defcfg_sequence(def_conf);
 193                         assoc = get_defcfg_association(def_conf);
 194                         if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins))
 195                                 continue;
 196                         cfg->speaker_pins[cfg->speaker_outs] = nid;
 197                         sequences_speaker[cfg->speaker_outs] = (assoc << 4) | seq;
 198                         cfg->speaker_outs++;
 199                         break;
 200                 case AC_JACK_HP_OUT:
 201                         seq = get_defcfg_sequence(def_conf);
 202                         assoc = get_defcfg_association(def_conf);
 203                         if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins))
 204                                 continue;
 205                         cfg->hp_pins[cfg->hp_outs] = nid;
 206                         sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
 207                         cfg->hp_outs++;
 208                         break;
 209                 case AC_JACK_MIC_IN:
 210                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC);
 211                         break;
 212                 case AC_JACK_LINE_IN:
 213                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
 214                         break;
 215                 case AC_JACK_CD:
 216                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
 217                         break;
 218                 case AC_JACK_AUX:
 219                         add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX);
 220                         break;
 221                 case AC_JACK_SPDIF_OUT:
 222                 case AC_JACK_DIG_OTHER_OUT:
 223                         if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
 224                                 continue;
 225                         cfg->dig_out_pins[cfg->dig_outs] = nid;
 226                         cfg->dig_out_type[cfg->dig_outs] =
 227                                 (loc == AC_JACK_LOC_HDMI) ?
 228                                 HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
 229                         cfg->dig_outs++;
 230                         break;
 231                 case AC_JACK_SPDIF_IN:
 232                 case AC_JACK_DIG_OTHER_IN:
 233                         cfg->dig_in_pin = nid;
 234                         if (loc == AC_JACK_LOC_HDMI)
 235                                 cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
 236                         else
 237                                 cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
 238                         break;
 239                 }
 240         }
 241
 242         /* FIX-UP:
 243          * If no line-out is defined but multiple HPs are found,
 244          * some of them might be the real line-outs.
 245          */
 246         if (!cfg->line_outs && cfg->hp_outs > 1 &&
 247             !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
 248                 int i = 0;
 249                 while (i < cfg->hp_outs) {
 250                         /* The real HPs should have the sequence 0x0f */
 251                         if ((sequences_hp[i] & 0x0f) == 0x0f) {
 252                                 i++;
 253                                 continue;
 254                         }
 255                         /* Move it to the line-out table */
 256                         cfg->line_out_pins[cfg->line_outs] = cfg->hp_pins[i];
 257                         sequences_line_out[cfg->line_outs] = sequences_hp[i];
 258                         cfg->line_outs++;
 259                         cfg->hp_outs--;
 260                         memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
 261                                 sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
 262                         memmove(sequences_hp + i, sequences_hp + i + 1,
 263                                 sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
 264                 }
 265                 memset(cfg->hp_pins + cfg->hp_outs, 0,
 266                        sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
 267                 if (!cfg->hp_outs)
 268                         cfg->line_out_type = AUTO_PIN_HP_OUT;
 269
 270         }
 271
 272         /* sort by sequence */
 273         sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out,
 274                               cfg->line_outs);
 275         sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker,
 276                               cfg->speaker_outs);
 277         sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
 278                               cfg->hp_outs);
 279
 280         /*
 281          * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
 282          * as a primary output
 283          */
 284         if (!cfg->line_outs &&
 285             !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
 286                 if (cfg->speaker_outs) {
 287                         cfg->line_outs = cfg->speaker_outs;
 288                         memcpy(cfg->line_out_pins, cfg->speaker_pins,
 289                                sizeof(cfg->speaker_pins));
 290                         cfg->speaker_outs = 0;
 291                         memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
 292                         cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
 293                 } else if (cfg->hp_outs) {
 294                         cfg->line_outs = cfg->hp_outs;
 295                         memcpy(cfg->line_out_pins, cfg->hp_pins,
 296                                sizeof(cfg->hp_pins));
 297                         cfg->hp_outs = 0;
 298                         memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
 299                         cfg->line_out_type = AUTO_PIN_HP_OUT;
 300                 }
 301         }
 302
 303         reorder_outputs(cfg->line_outs, cfg->line_out_pins);
 304         reorder_outputs(cfg->hp_outs, cfg->hp_pins);
 305         reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
 306
 307         sort_autocfg_input_pins(cfg);
 308
 309         /*
 310          * debug prints of the parsed results
 311          */
 312         snd_printd("autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 313                    cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
 314                    cfg->line_out_pins[2], cfg->line_out_pins[3],
 315                    cfg->line_out_pins[4],
 316                    cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
 317                    (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
 318                     "speaker" : "line"));
 319         snd_printd("   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 320                    cfg->speaker_outs, cfg->speaker_pins[0],
 321                    cfg->speaker_pins[1], cfg->speaker_pins[2],
 322                    cfg->speaker_pins[3], cfg->speaker_pins[4]);
 323         snd_printd("   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 324                    cfg->hp_outs, cfg->hp_pins[0],
 325                    cfg->hp_pins[1], cfg->hp_pins[2],
 326                    cfg->hp_pins[3], cfg->hp_pins[4]);
 327         snd_printd("   mono: mono_out=0x%x\n", cfg->mono_out_pin);
 328         if (cfg->dig_outs)
 329                 snd_printd("   dig-out=0x%x/0x%x\n",
 330                            cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
 331         snd_printd("   inputs:\n");
 332         for (i = 0; i < cfg->num_inputs; i++) {
 333                 snd_printd("     %s=0x%x\n",
 334                             hda_get_autocfg_input_label(codec, cfg, i),
 335                             cfg->inputs[i].pin);
 336         }
 337         if (cfg->dig_in_pin)
 338                 snd_printd("   dig-in=0x%x\n", cfg->dig_in_pin);
 339
 340         return 0;
 341 }
 342 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_defcfg);
 343
 344 int snd_hda_get_input_pin_attr(unsigned int def_conf)
 345 {
 346         unsigned int loc = get_defcfg_location(def_conf);
 347         unsigned int conn = get_defcfg_connect(def_conf);
 348         if (conn == AC_JACK_PORT_NONE)
 349                 return INPUT_PIN_ATTR_UNUSED;
 350         /* Windows may claim the internal mic to be BOTH, too */
 351         if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 352                 return INPUT_PIN_ATTR_INT;
 353         if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 354                 return INPUT_PIN_ATTR_INT;
 355         if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 356                 return INPUT_PIN_ATTR_DOCK;
 357         if (loc == AC_JACK_LOC_REAR)
 358                 return INPUT_PIN_ATTR_REAR;
 359         if (loc == AC_JACK_LOC_FRONT)
 360                 return INPUT_PIN_ATTR_FRONT;
 361         return INPUT_PIN_ATTR_NORMAL;
 362 }
 363 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr);
 364
 365 /**
 366  * hda_get_input_pin_label - Give a label for the given input pin
 367  *
 368  * When check_location is true, the function checks the pin location
 369  * for mic and line-in pins, and set an appropriate prefix like "Front",
 370  * "Rear", "Internal".
 371  */
 372
 373 static const char *hda_get_input_pin_label(struct hda_codec *codec,
 374                                            hda_nid_t pin, bool check_location)
 375 {
 376         unsigned int def_conf;
 377         static const char * const mic_names[] = {
 378                 "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
 379         };
 380         int attr;
 381
 382         def_conf = snd_hda_codec_get_pincfg(codec, pin);
 383
 384         switch (get_defcfg_device(def_conf)) {
 385         case AC_JACK_MIC_IN:
 386                 if (!check_location)
 387                         return "Mic";
 388                 attr = snd_hda_get_input_pin_attr(def_conf);
 389                 if (!attr)
 390                         return "None";
 391                 return mic_names[attr - 1];
 392         case AC_JACK_LINE_IN:
 393                 if (!check_location)
 394                         return "Line";
 395                 attr = snd_hda_get_input_pin_attr(def_conf);
 396                 if (!attr)
 397                         return "None";
 398                 if (attr == INPUT_PIN_ATTR_DOCK)
 399                         return "Dock Line";
 400                 return "Line";
 401         case AC_JACK_AUX:
 402                 return "Aux";
 403         case AC_JACK_CD:
 404                 return "CD";
 405         case AC_JACK_SPDIF_IN:
 406                 return "SPDIF In";
 407         case AC_JACK_DIG_OTHER_IN:
 408                 return "Digital In";
 409         default:
 410                 return "Misc";
 411         }
 412 }
 413
 414 /* Check whether the location prefix needs to be added to the label.
 415  * If all mic-jacks are in the same location (e.g. rear panel), we don't
 416  * have to put "Front" prefix to each label.  In such a case, returns false.
 417  */
 418 static int check_mic_location_need(struct hda_codec *codec,
 419                                    const struct auto_pin_cfg *cfg,
 420                                    int input)
 421 {
 422         unsigned int defc;
 423         int i, attr, attr2;
 424
 425         defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 426         attr = snd_hda_get_input_pin_attr(defc);
 427         /* for internal or docking mics, we need locations */
 428         if (attr <= INPUT_PIN_ATTR_NORMAL)
 429                 return 1;
 430
 431         attr = 0;
 432         for (i = 0; i < cfg->num_inputs; i++) {
 433                 defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 434                 attr2 = snd_hda_get_input_pin_attr(defc);
 435                 if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 436                         if (attr && attr != attr2)
 437                                 return 1; /* different locations found */
 438                         attr = attr2;
 439                 }
 440         }
 441         return 0;
 442 }
 443
 444 /**
 445  * hda_get_autocfg_input_label - Get a label for the given input
 446  *
 447  * Get a label for the given input pin defined by the autocfg item.
 448  * Unlike hda_get_input_pin_label(), this function checks all inputs
 449  * defined in autocfg and avoids the redundant mic/line prefix as much as
 450  * possible.
 451  */
 452 const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 453                                         const struct auto_pin_cfg *cfg,
 454                                         int input)
 455 {
 456         int type = cfg->inputs[input].type;
 457         int has_multiple_pins = 0;
 458
 459         if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 460             (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 461                 has_multiple_pins = 1;
 462         if (has_multiple_pins && type == AUTO_PIN_MIC)
 463                 has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 464         return hda_get_input_pin_label(codec, cfg->inputs[input].pin,
 465                                        has_multiple_pins);
 466 }
 467 EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label);
 468
 469 /* return the position of NID in the list, or -1 if not found */
 470 static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 471 {
 472         int i;
 473         for (i = 0; i < nums; i++)
 474                 if (list[i] == nid)
 475                         return i;
 476         return -1;
 477 }
 478
 479 /* get a unique suffix or an index number */
 480 static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 481                                     int num_pins, int *indexp)
 482 {
 483         static const char * const channel_sfx[] = {
 484                 " Front", " Surround", " CLFE", " Side"
 485         };
 486         int i;
 487
 488         i = find_idx_in_nid_list(nid, pins, num_pins);
 489         if (i < 0)
 490                 return NULL;
 491         if (num_pins == 1)
 492                 return "";
 493         if (num_pins > ARRAY_SIZE(channel_sfx)) {
 494                 if (indexp)
 495                         *indexp = i;
 496                 return "";
 497         }
 498         return channel_sfx[i];
 499 }
 500
 501 static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
 502 {
 503         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 504         int attr = snd_hda_get_input_pin_attr(def_conf);
 505
 506         /* check the location */
 507         switch (attr) {
 508         case INPUT_PIN_ATTR_DOCK:
 509                 return "Dock ";
 510         case INPUT_PIN_ATTR_FRONT:
 511                 return "Front ";
 512         }
 513         return "";
 514 }
 515
 516 static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
 517                               const hda_nid_t *pins, int num_pins)
 518 {
 519         int i, j, idx = 0;
 520
 521         const char *pfx = check_output_pfx(codec, nid);
 522
 523         i = find_idx_in_nid_list(nid, pins, num_pins);
 524         if (i < 0)
 525                 return -1;
 526         for (j = 0; j < i; j++)
 527                 if (pfx == check_output_pfx(codec, pins[j]))
 528                         idx++;
 529
 530         return idx;
 531 }
 532
 533 static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 534                                const struct auto_pin_cfg *cfg,
 535                                const char *name, char *label, int maxlen,
 536                                int *indexp)
 537 {
 538         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 539         int attr = snd_hda_get_input_pin_attr(def_conf);
 540         const char *pfx, *sfx = "";
 541
 542         /* handle as a speaker if it's a fixed line-out */
 543         if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 544                 name = "Speaker";
 545         pfx = check_output_pfx(codec, nid);
 546
 547         if (cfg) {
 548                 /* try to give a unique suffix if needed */
 549                 sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 550                                        indexp);
 551                 if (!sfx)
 552                         sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 553                                                indexp);
 554                 if (!sfx) {
 555                         /* don't add channel suffix for Headphone controls */
 556                         int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
 557                                                      cfg->hp_outs);
 558                         if (idx >= 0)
 559                                 *indexp = idx;
 560                         sfx = "";
 561                 }
 562         }
 563         snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 564         return 1;
 565 }
 566
 567 /**
 568  * snd_hda_get_pin_label - Get a label for the given I/O pin
 569  *
 570  * Get a label for the given pin.  This function works for both input and
 571  * output pins.  When @cfg is given as non-NULL, the function tries to get
 572  * an optimized label using hda_get_autocfg_input_label().
 573  *
 574  * This function tries to give a unique label string for the pin as much as
 575  * possible.  For example, when the multiple line-outs are present, it adds
 576  * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 577  * If no unique name with a suffix is available and @indexp is non-NULL, the
 578  * index number is stored in the pointer.
 579  */
 580 int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 581                           const struct auto_pin_cfg *cfg,
 582                           char *label, int maxlen, int *indexp)
 583 {
 584         unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 585         const char *name = NULL;
 586         int i;
 587
 588         if (indexp)
 589                 *indexp = 0;
 590         if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 591                 return 0;
 592
 593         switch (get_defcfg_device(def_conf)) {
 594         case AC_JACK_LINE_OUT:
 595                 return fill_audio_out_name(codec, nid, cfg, "Line Out",
 596                                            label, maxlen, indexp);
 597         case AC_JACK_SPEAKER:
 598                 return fill_audio_out_name(codec, nid, cfg, "Speaker",
 599                                            label, maxlen, indexp);
 600         case AC_JACK_HP_OUT:
 601                 return fill_audio_out_name(codec, nid, cfg, "Headphone",
 602                                            label, maxlen, indexp);
 603         case AC_JACK_SPDIF_OUT:
 604         case AC_JACK_DIG_OTHER_OUT:
 605                 if (get_defcfg_location(def_conf) == AC_JACK_LOC_HDMI)
 606                         name = "HDMI";
 607                 else
 608                         name = "SPDIF";
 609                 if (cfg && indexp) {
 610                         i = find_idx_in_nid_list(nid, cfg->dig_out_pins,
 611                                                  cfg->dig_outs);
 612                         if (i >= 0)
 613                                 *indexp = i;
 614                 }
 615                 break;
 616         default:
 617                 if (cfg) {
 618                         for (i = 0; i < cfg->num_inputs; i++) {
 619                                 if (cfg->inputs[i].pin != nid)
 620                                         continue;
 621                                 name = hda_get_autocfg_input_label(codec, cfg, i);
 622                                 if (name)
 623                                         break;
 624                         }
 625                 }
 626                 if (!name)
 627                         name = hda_get_input_pin_label(codec, nid, true);
 628                 break;
 629         }
 630         if (!name)
 631                 return 0;
 632         strlcpy(label, name, maxlen);
 633         return 1;
 634 }
 635 EXPORT_SYMBOL_HDA(snd_hda_get_pin_label);
 636
 637 int snd_hda_gen_add_verbs(struct hda_gen_spec *spec,
 638                           const struct hda_verb *list)
 639 {
 640         const struct hda_verb **v;
 641         v = snd_array_new(&spec->verbs);
 642         if (!v)
 643                 return -ENOMEM;
 644         *v = list;
 645         return 0;
 646 }
 647 EXPORT_SYMBOL_HDA(snd_hda_gen_add_verbs);
 648
 649 void snd_hda_gen_apply_verbs(struct hda_codec *codec)
 650 {
 651         struct hda_gen_spec *spec = codec->spec;
 652         int i;
 653         for (i = 0; i < spec->verbs.used; i++) {
 654                 struct hda_verb **v = snd_array_elem(&spec->verbs, i);
 655                 snd_hda_sequence_write(codec, *v);
 656         }
 657 }
 658 EXPORT_SYMBOL_HDA(snd_hda_gen_apply_verbs);
 659
 660 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 661                            const struct hda_pintbl *cfg)
 662 {
 663         for (; cfg->nid; cfg++)
 664                 snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 665 }
 666 EXPORT_SYMBOL_HDA(snd_hda_apply_pincfgs);
 667
 668 void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 669 {
 670         struct hda_gen_spec *spec = codec->spec;
 671         int id = spec->fixup_id;
 672 #ifdef CONFIG_SND_DEBUG_VERBOSE
 673         const char *modelname = spec->fixup_name;
 674 #endif
 675         int depth = 0;
 676
 677         if (!spec->fixup_list)
 678                 return;
 679
 680         while (id >= 0) {
 681                 const struct hda_fixup *fix = spec->fixup_list + id;
 682
 683                 switch (fix->type) {
 684                 case HDA_FIXUP_PINS:
 685                         if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 686                                 break;
 687                         snd_printdd(KERN_INFO SFX
 688                                     "%s: Apply pincfg for %s\n",
 689                                     codec->chip_name, modelname);
 690                         snd_hda_apply_pincfgs(codec, fix->v.pins);
 691                         break;
 692                 case HDA_FIXUP_VERBS:
 693                         if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 694                                 break;
 695                         snd_printdd(KERN_INFO SFX
 696                                     "%s: Apply fix-verbs for %s\n",
 697                                     codec->chip_name, modelname);
 698                         snd_hda_gen_add_verbs(codec->spec, fix->v.verbs);
 699                         break;
 700                 case HDA_FIXUP_FUNC:
 701                         if (!fix->v.func)
 702                                 break;
 703                         snd_printdd(KERN_INFO SFX
 704                                     "%s: Apply fix-func for %s\n",
 705                                     codec->chip_name, modelname);
 706                         fix->v.func(codec, fix, action);
 707                         break;
 708                 default:
 709                         snd_printk(KERN_ERR SFX
 710                                    "%s: Invalid fixup type %d\n",
 711                                    codec->chip_name, fix->type);
 712                         break;
 713                 }
 714                 if (!fix->chained)
 715                         break;
 716                 if (++depth > 10)
 717                         break;
 718                 id = fix->chain_id;
 719         }
 720 }
 721 EXPORT_SYMBOL_HDA(snd_hda_apply_fixup);
 722
 723 void snd_hda_pick_fixup(struct hda_codec *codec,
 724                         const struct hda_model_fixup *models,
 725                         const struct snd_pci_quirk *quirk,
 726                         const struct hda_fixup *fixlist)
 727 {
 728         struct hda_gen_spec *spec = codec->spec;
 729         const struct snd_pci_quirk *q;
 730         int id = -1;
 731         const char *name = NULL;
 732
 733         /* when model=nofixup is given, don't pick up any fixups */
 734         if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 735                 spec->fixup_list = NULL;
 736                 spec->fixup_id = -1;
 737                 return;
 738         }
 739
 740         if (codec->modelname && models) {
 741                 while (models->name) {
 742                         if (!strcmp(codec->modelname, models->name)) {
 743                                 id = models->id;
 744                                 name = models->name;
 745                                 break;
 746                         }
 747                         models++;
 748                 }
 749         }
 750         if (id < 0 && quirk) {
 751                 q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
 752                 if (q) {
 753                         id = q->value;
 754 #ifdef CONFIG_SND_DEBUG_VERBOSE
 755                         name = q->name;
 756 #endif
 757                 }
 758         }
 759         if (id < 0 && quirk) {
 760                 for (q = quirk; q->subvendor; q++) {
 761                         unsigned int vendorid =
 762                                 q->subdevice | (q->subvendor << 16);
 763                         unsigned int mask = 0xffff0000 | q->subdevice_mask;
 764                         if ((codec->subsystem_id & mask) == (vendorid & mask)) {
 765                                 id = q->value;
 766 #ifdef CONFIG_SND_DEBUG_VERBOSE
 767                                 name = q->name;
 768 #endif
 769                                 break;
 770                         }
 771                 }
 772         }
 773
 774         spec->fixup_id = id;
 775         if (id >= 0) {
 776                 spec->fixup_list = fixlist;
 777                 spec->fixup_name = name;
 778         }
 779 }
 780 EXPORT_SYMBOL_HDA(snd_hda_pick_fixup);