linux/sound/pci/hda/hda_auto_parser.c
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   1/*
   2 * BIOS auto-parser helper functions for HD-audio
   3 *
   4 * Copyright (c) 2012 Takashi Iwai <tiwai@suse.de>
   5 *
   6 * This driver is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 */
  11
  12#include <linux/slab.h>
  13#include <linux/export.h>
  14#include <linux/sort.h>
  15#include <sound/core.h>
  16#include "hda_codec.h"
  17#include "hda_local.h"
  18#include "hda_auto_parser.h"
  19
  20/*
  21 * Helper for automatic pin configuration
  22 */
  23
  24static int is_in_nid_list(hda_nid_t nid, const hda_nid_t *list)
  25{
  26        for (; *list; list++)
  27                if (*list == nid)
  28                        return 1;
  29        return 0;
  30}
  31
  32/* a pair of input pin and its sequence */
  33struct auto_out_pin {
  34        hda_nid_t pin;
  35        short seq;
  36};
  37
  38static int compare_seq(const void *ap, const void *bp)
  39{
  40        const struct auto_out_pin *a = ap;
  41        const struct auto_out_pin *b = bp;
  42        return (int)(a->seq - b->seq);
  43}
  44
  45/*
  46 * Sort an associated group of pins according to their sequence numbers.
  47 * then store it to a pin array.
  48 */
  49static void sort_pins_by_sequence(hda_nid_t *pins, struct auto_out_pin *list,
  50                                  int num_pins)
  51{
  52        int i;
  53        sort(list, num_pins, sizeof(list[0]), compare_seq, NULL);
  54        for (i = 0; i < num_pins; i++)
  55                pins[i] = list[i].pin;
  56}
  57
  58
  59/* add the found input-pin to the cfg->inputs[] table */
  60static void add_auto_cfg_input_pin(struct hda_codec *codec, struct auto_pin_cfg *cfg,
  61                                   hda_nid_t nid, int type)
  62{
  63        if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
  64                cfg->inputs[cfg->num_inputs].pin = nid;
  65                cfg->inputs[cfg->num_inputs].type = type;
  66                cfg->inputs[cfg->num_inputs].has_boost_on_pin =
  67                        nid_has_volume(codec, nid, HDA_INPUT);
  68                cfg->num_inputs++;
  69        }
  70}
  71
  72static int compare_input_type(const void *ap, const void *bp)
  73{
  74        const struct auto_pin_cfg_item *a = ap;
  75        const struct auto_pin_cfg_item *b = bp;
  76        if (a->type != b->type)
  77                return (int)(a->type - b->type);
  78
  79        /* In case one has boost and the other one has not,
  80           pick the one with boost first. */
  81        return (int)(b->has_boost_on_pin - a->has_boost_on_pin);
  82}
  83
  84/* Reorder the surround channels
  85 * ALSA sequence is front/surr/clfe/side
  86 * HDA sequence is:
  87 *    4-ch: front/surr  =>  OK as it is
  88 *    6-ch: front/clfe/surr
  89 *    8-ch: front/clfe/rear/side|fc
  90 */
  91static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
  92{
  93        hda_nid_t nid;
  94
  95        switch (nums) {
  96        case 3:
  97        case 4:
  98                nid = pins[1];
  99                pins[1] = pins[2];
 100                pins[2] = nid;
 101                break;
 102        }
 103}
 104
 105/* check whether the given pin has a proper pin I/O capability bit */
 106static bool check_pincap_validity(struct hda_codec *codec, hda_nid_t pin,
 107                                  unsigned int dev)
 108{
 109        unsigned int pincap = snd_hda_query_pin_caps(codec, pin);
 110
 111        /* some old hardware don't return the proper pincaps */
 112        if (!pincap)
 113                return true;
 114
 115        switch (dev) {
 116        case AC_JACK_LINE_OUT:
 117        case AC_JACK_SPEAKER:
 118        case AC_JACK_HP_OUT:
 119        case AC_JACK_SPDIF_OUT:
 120        case AC_JACK_DIG_OTHER_OUT:
 121                return !!(pincap & AC_PINCAP_OUT);
 122        default:
 123                return !!(pincap & AC_PINCAP_IN);
 124        }
 125}
 126
 127static bool can_be_headset_mic(struct hda_codec *codec,
 128                               struct auto_pin_cfg_item *item,
 129                               int seq_number)
 130{
 131        int attr;
 132        unsigned int def_conf;
 133        if (item->type != AUTO_PIN_MIC)
 134                return false;
 135
 136        if (item->is_headset_mic || item->is_headphone_mic)
 137                return false; /* Already assigned */
 138
 139        def_conf = snd_hda_codec_get_pincfg(codec, item->pin);
 140        attr = snd_hda_get_input_pin_attr(def_conf);
 141        if (attr <= INPUT_PIN_ATTR_DOCK)
 142                return false;
 143
 144        if (seq_number >= 0) {
 145                int seq = get_defcfg_sequence(def_conf);
 146                if (seq != seq_number)
 147                        return false;
 148        }
 149
 150        return true;
 151}
 152
 153/*
 154 * Parse all pin widgets and store the useful pin nids to cfg
 155 *
 156 * The number of line-outs or any primary output is stored in line_outs,
 157 * and the corresponding output pins are assigned to line_out_pins[],
 158 * in the order of front, rear, CLFE, side, ...
 159 *
 160 * If more extra outputs (speaker and headphone) are found, the pins are
 161 * assisnged to hp_pins[] and speaker_pins[], respectively.  If no line-out jack
 162 * is detected, one of speaker of HP pins is assigned as the primary
 163 * output, i.e. to line_out_pins[0].  So, line_outs is always positive
 164 * if any analog output exists.
 165 *
 166 * The analog input pins are assigned to inputs array.
 167 * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
 168 * respectively.
 169 */
 170int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
 171                             struct auto_pin_cfg *cfg,
 172                             const hda_nid_t *ignore_nids,
 173                             unsigned int cond_flags)
 174{
 175        hda_nid_t nid;
 176        short seq, assoc_line_out;
 177        struct auto_out_pin line_out[ARRAY_SIZE(cfg->line_out_pins)];
 178        struct auto_out_pin speaker_out[ARRAY_SIZE(cfg->speaker_pins)];
 179        struct auto_out_pin hp_out[ARRAY_SIZE(cfg->hp_pins)];
 180        int i;
 181
 182        if (!snd_hda_get_int_hint(codec, "parser_flags", &i))
 183                cond_flags = i;
 184
 185        memset(cfg, 0, sizeof(*cfg));
 186
 187        memset(line_out, 0, sizeof(line_out));
 188        memset(speaker_out, 0, sizeof(speaker_out));
 189        memset(hp_out, 0, sizeof(hp_out));
 190        assoc_line_out = 0;
 191
 192        for_each_hda_codec_node(nid, codec) {
 193                unsigned int wid_caps = get_wcaps(codec, nid);
 194                unsigned int wid_type = get_wcaps_type(wid_caps);
 195                unsigned int def_conf;
 196                short assoc, loc, conn, dev;
 197
 198                /* read all default configuration for pin complex */
 199                if (wid_type != AC_WID_PIN)
 200                        continue;
 201                /* ignore the given nids (e.g. pc-beep returns error) */
 202                if (ignore_nids && is_in_nid_list(nid, ignore_nids))
 203                        continue;
 204
 205                def_conf = snd_hda_codec_get_pincfg(codec, nid);
 206                conn = get_defcfg_connect(def_conf);
 207                if (conn == AC_JACK_PORT_NONE)
 208                        continue;
 209                loc = get_defcfg_location(def_conf);
 210                dev = get_defcfg_device(def_conf);
 211
 212                /* workaround for buggy BIOS setups */
 213                if (dev == AC_JACK_LINE_OUT) {
 214                        if (conn == AC_JACK_PORT_FIXED ||
 215                            conn == AC_JACK_PORT_BOTH)
 216                                dev = AC_JACK_SPEAKER;
 217                }
 218
 219                if (!check_pincap_validity(codec, nid, dev))
 220                        continue;
 221
 222                switch (dev) {
 223                case AC_JACK_LINE_OUT:
 224                        seq = get_defcfg_sequence(def_conf);
 225                        assoc = get_defcfg_association(def_conf);
 226
 227                        if (!(wid_caps & AC_WCAP_STEREO))
 228                                if (!cfg->mono_out_pin)
 229                                        cfg->mono_out_pin = nid;
 230                        if (!assoc)
 231                                continue;
 232                        if (!assoc_line_out)
 233                                assoc_line_out = assoc;
 234                        else if (assoc_line_out != assoc) {
 235                                codec_info(codec,
 236                                           "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
 237                                           nid, assoc, assoc_line_out);
 238                                continue;
 239                        }
 240                        if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
 241                                codec_info(codec,
 242                                           "ignore pin 0x%x, too many assigned pins\n",
 243                                           nid);
 244                                continue;
 245                        }
 246                        line_out[cfg->line_outs].pin = nid;
 247                        line_out[cfg->line_outs].seq = seq;
 248                        cfg->line_outs++;
 249                        break;
 250                case AC_JACK_SPEAKER:
 251                        seq = get_defcfg_sequence(def_conf);
 252                        assoc = get_defcfg_association(def_conf);
 253                        if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
 254                                codec_info(codec,
 255                                           "ignore pin 0x%x, too many assigned pins\n",
 256                                           nid);
 257                                continue;
 258                        }
 259                        speaker_out[cfg->speaker_outs].pin = nid;
 260                        speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
 261                        cfg->speaker_outs++;
 262                        break;
 263                case AC_JACK_HP_OUT:
 264                        seq = get_defcfg_sequence(def_conf);
 265                        assoc = get_defcfg_association(def_conf);
 266                        if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
 267                                codec_info(codec,
 268                                           "ignore pin 0x%x, too many assigned pins\n",
 269                                           nid);
 270                                continue;
 271                        }
 272                        hp_out[cfg->hp_outs].pin = nid;
 273                        hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
 274                        cfg->hp_outs++;
 275                        break;
 276                case AC_JACK_MIC_IN:
 277                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
 278                        break;
 279                case AC_JACK_LINE_IN:
 280                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
 281                        break;
 282                case AC_JACK_CD:
 283                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
 284                        break;
 285                case AC_JACK_AUX:
 286                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
 287                        break;
 288                case AC_JACK_SPDIF_OUT:
 289                case AC_JACK_DIG_OTHER_OUT:
 290                        if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
 291                                codec_info(codec,
 292                                           "ignore pin 0x%x, too many assigned pins\n",
 293                                           nid);
 294                                continue;
 295                        }
 296                        cfg->dig_out_pins[cfg->dig_outs] = nid;
 297                        cfg->dig_out_type[cfg->dig_outs] =
 298                                (loc == AC_JACK_LOC_HDMI) ?
 299                                HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
 300                        cfg->dig_outs++;
 301                        break;
 302                case AC_JACK_SPDIF_IN:
 303                case AC_JACK_DIG_OTHER_IN:
 304                        cfg->dig_in_pin = nid;
 305                        if (loc == AC_JACK_LOC_HDMI)
 306                                cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
 307                        else
 308                                cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
 309                        break;
 310                }
 311        }
 312
 313        /* Find a pin that could be a headset or headphone mic */
 314        if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
 315                bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
 316                bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
 317                for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
 318                        if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
 319                                cfg->inputs[i].is_headset_mic = 1;
 320                                hsmic = false;
 321                        } else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
 322                                cfg->inputs[i].is_headphone_mic = 1;
 323                                hpmic = false;
 324                        }
 325
 326                /* If we didn't find our sequence number mark, fall back to any sequence number */
 327                for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
 328                        if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
 329                                continue;
 330                        if (hsmic) {
 331                                cfg->inputs[i].is_headset_mic = 1;
 332                                hsmic = false;
 333                        } else if (hpmic) {
 334                                cfg->inputs[i].is_headphone_mic = 1;
 335                                hpmic = false;
 336                        }
 337                }
 338
 339                if (hsmic)
 340                        codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
 341                if (hpmic)
 342                        codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
 343        }
 344
 345        /* FIX-UP:
 346         * If no line-out is defined but multiple HPs are found,
 347         * some of them might be the real line-outs.
 348         */
 349        if (!cfg->line_outs && cfg->hp_outs > 1 &&
 350            !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
 351                int i = 0;
 352                while (i < cfg->hp_outs) {
 353                        /* The real HPs should have the sequence 0x0f */
 354                        if ((hp_out[i].seq & 0x0f) == 0x0f) {
 355                                i++;
 356                                continue;
 357                        }
 358                        /* Move it to the line-out table */
 359                        line_out[cfg->line_outs++] = hp_out[i];
 360                        cfg->hp_outs--;
 361                        memmove(hp_out + i, hp_out + i + 1,
 362                                sizeof(hp_out[0]) * (cfg->hp_outs - i));
 363                }
 364                memset(hp_out + cfg->hp_outs, 0,
 365                       sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
 366                if (!cfg->hp_outs)
 367                        cfg->line_out_type = AUTO_PIN_HP_OUT;
 368
 369        }
 370
 371        /* sort by sequence */
 372        sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
 373        sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
 374                              cfg->speaker_outs);
 375        sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
 376
 377        /*
 378         * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
 379         * as a primary output
 380         */
 381        if (!cfg->line_outs &&
 382            !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
 383                if (cfg->speaker_outs) {
 384                        cfg->line_outs = cfg->speaker_outs;
 385                        memcpy(cfg->line_out_pins, cfg->speaker_pins,
 386                               sizeof(cfg->speaker_pins));
 387                        cfg->speaker_outs = 0;
 388                        memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
 389                        cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
 390                } else if (cfg->hp_outs) {
 391                        cfg->line_outs = cfg->hp_outs;
 392                        memcpy(cfg->line_out_pins, cfg->hp_pins,
 393                               sizeof(cfg->hp_pins));
 394                        cfg->hp_outs = 0;
 395                        memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
 396                        cfg->line_out_type = AUTO_PIN_HP_OUT;
 397                }
 398        }
 399
 400        reorder_outputs(cfg->line_outs, cfg->line_out_pins);
 401        reorder_outputs(cfg->hp_outs, cfg->hp_pins);
 402        reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
 403
 404        /* sort inputs in the order of AUTO_PIN_* type */
 405        sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
 406             compare_input_type, NULL);
 407
 408        /*
 409         * debug prints of the parsed results
 410         */
 411        codec_info(codec, "autoconfig for %s: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 412                   codec->core.chip_name, cfg->line_outs, cfg->line_out_pins[0],
 413                   cfg->line_out_pins[1], cfg->line_out_pins[2],
 414                   cfg->line_out_pins[3], cfg->line_out_pins[4],
 415                   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
 416                   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
 417                    "speaker" : "line"));
 418        codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 419                   cfg->speaker_outs, cfg->speaker_pins[0],
 420                   cfg->speaker_pins[1], cfg->speaker_pins[2],
 421                   cfg->speaker_pins[3], cfg->speaker_pins[4]);
 422        codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 423                   cfg->hp_outs, cfg->hp_pins[0],
 424                   cfg->hp_pins[1], cfg->hp_pins[2],
 425                   cfg->hp_pins[3], cfg->hp_pins[4]);
 426        codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
 427        if (cfg->dig_outs)
 428                codec_info(codec, "   dig-out=0x%x/0x%x\n",
 429                           cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
 430        codec_info(codec, "   inputs:\n");
 431        for (i = 0; i < cfg->num_inputs; i++) {
 432                codec_info(codec, "     %s=0x%x\n",
 433                            hda_get_autocfg_input_label(codec, cfg, i),
 434                            cfg->inputs[i].pin);
 435        }
 436        if (cfg->dig_in_pin)
 437                codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
 438
 439        return 0;
 440}
 441EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
 442
 443/**
 444 * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
 445 * @def_conf: pin configuration value
 446 *
 447 * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
 448 * default pin configuration value.
 449 */
 450int snd_hda_get_input_pin_attr(unsigned int def_conf)
 451{
 452        unsigned int loc = get_defcfg_location(def_conf);
 453        unsigned int conn = get_defcfg_connect(def_conf);
 454        if (conn == AC_JACK_PORT_NONE)
 455                return INPUT_PIN_ATTR_UNUSED;
 456        /* Windows may claim the internal mic to be BOTH, too */
 457        if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 458                return INPUT_PIN_ATTR_INT;
 459        if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 460                return INPUT_PIN_ATTR_INT;
 461        if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 462                return INPUT_PIN_ATTR_DOCK;
 463        if (loc == AC_JACK_LOC_REAR)
 464                return INPUT_PIN_ATTR_REAR;
 465        if (loc == AC_JACK_LOC_FRONT)
 466                return INPUT_PIN_ATTR_FRONT;
 467        return INPUT_PIN_ATTR_NORMAL;
 468}
 469EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
 470
 471/**
 472 * hda_get_input_pin_label - Give a label for the given input pin
 473 * @codec: the HDA codec
 474 * @item: ping config item to refer
 475 * @pin: the pin NID
 476 * @check_location: flag to add the jack location prefix
 477 *
 478 * When @check_location is true, the function checks the pin location
 479 * for mic and line-in pins, and set an appropriate prefix like "Front",
 480 * "Rear", "Internal".
 481 */
 482static const char *hda_get_input_pin_label(struct hda_codec *codec,
 483                                           const struct auto_pin_cfg_item *item,
 484                                           hda_nid_t pin, bool check_location)
 485{
 486        unsigned int def_conf;
 487        static const char * const mic_names[] = {
 488                "Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
 489        };
 490        int attr;
 491
 492        def_conf = snd_hda_codec_get_pincfg(codec, pin);
 493
 494        switch (get_defcfg_device(def_conf)) {
 495        case AC_JACK_MIC_IN:
 496                if (item && item->is_headset_mic)
 497                        return "Headset Mic";
 498                if (item && item->is_headphone_mic)
 499                        return "Headphone Mic";
 500                if (!check_location)
 501                        return "Mic";
 502                attr = snd_hda_get_input_pin_attr(def_conf);
 503                if (!attr)
 504                        return "None";
 505                return mic_names[attr - 1];
 506        case AC_JACK_LINE_IN:
 507                if (!check_location)
 508                        return "Line";
 509                attr = snd_hda_get_input_pin_attr(def_conf);
 510                if (!attr)
 511                        return "None";
 512                if (attr == INPUT_PIN_ATTR_DOCK)
 513                        return "Dock Line";
 514                return "Line";
 515        case AC_JACK_AUX:
 516                return "Aux";
 517        case AC_JACK_CD:
 518                return "CD";
 519        case AC_JACK_SPDIF_IN:
 520                return "SPDIF In";
 521        case AC_JACK_DIG_OTHER_IN:
 522                return "Digital In";
 523        case AC_JACK_HP_OUT:
 524                return "Headphone Mic";
 525        default:
 526                return "Misc";
 527        }
 528}
 529
 530/* Check whether the location prefix needs to be added to the label.
 531 * If all mic-jacks are in the same location (e.g. rear panel), we don't
 532 * have to put "Front" prefix to each label.  In such a case, returns false.
 533 */
 534static int check_mic_location_need(struct hda_codec *codec,
 535                                   const struct auto_pin_cfg *cfg,
 536                                   int input)
 537{
 538        unsigned int defc;
 539        int i, attr, attr2;
 540
 541        defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 542        attr = snd_hda_get_input_pin_attr(defc);
 543        /* for internal or docking mics, we need locations */
 544        if (attr <= INPUT_PIN_ATTR_NORMAL)
 545                return 1;
 546
 547        attr = 0;
 548        for (i = 0; i < cfg->num_inputs; i++) {
 549                defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 550                attr2 = snd_hda_get_input_pin_attr(defc);
 551                if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 552                        if (attr && attr != attr2)
 553                                return 1; /* different locations found */
 554                        attr = attr2;
 555                }
 556        }
 557        return 0;
 558}
 559
 560/**
 561 * hda_get_autocfg_input_label - Get a label for the given input
 562 * @codec: the HDA codec
 563 * @cfg: the parsed pin configuration
 564 * @input: the input index number
 565 *
 566 * Get a label for the given input pin defined by the autocfg item.
 567 * Unlike hda_get_input_pin_label(), this function checks all inputs
 568 * defined in autocfg and avoids the redundant mic/line prefix as much as
 569 * possible.
 570 */
 571const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 572                                        const struct auto_pin_cfg *cfg,
 573                                        int input)
 574{
 575        int type = cfg->inputs[input].type;
 576        int has_multiple_pins = 0;
 577
 578        if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 579            (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 580                has_multiple_pins = 1;
 581        if (has_multiple_pins && type == AUTO_PIN_MIC)
 582                has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 583        return hda_get_input_pin_label(codec, &cfg->inputs[input],
 584                                       cfg->inputs[input].pin,
 585                                       has_multiple_pins);
 586}
 587EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
 588
 589/* return the position of NID in the list, or -1 if not found */
 590static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 591{
 592        int i;
 593        for (i = 0; i < nums; i++)
 594                if (list[i] == nid)
 595                        return i;
 596        return -1;
 597}
 598
 599/* get a unique suffix or an index number */
 600static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 601                                    int num_pins, int *indexp)
 602{
 603        static const char * const channel_sfx[] = {
 604                " Front", " Surround", " CLFE", " Side"
 605        };
 606        int i;
 607
 608        i = find_idx_in_nid_list(nid, pins, num_pins);
 609        if (i < 0)
 610                return NULL;
 611        if (num_pins == 1)
 612                return "";
 613        if (num_pins > ARRAY_SIZE(channel_sfx)) {
 614                if (indexp)
 615                        *indexp = i;
 616                return "";
 617        }
 618        return channel_sfx[i];
 619}
 620
 621static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
 622{
 623        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 624        int attr = snd_hda_get_input_pin_attr(def_conf);
 625
 626        /* check the location */
 627        switch (attr) {
 628        case INPUT_PIN_ATTR_DOCK:
 629                return "Dock ";
 630        case INPUT_PIN_ATTR_FRONT:
 631                return "Front ";
 632        }
 633        return "";
 634}
 635
 636static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
 637                              const hda_nid_t *pins, int num_pins)
 638{
 639        int i, j, idx = 0;
 640
 641        const char *pfx = check_output_pfx(codec, nid);
 642
 643        i = find_idx_in_nid_list(nid, pins, num_pins);
 644        if (i < 0)
 645                return -1;
 646        for (j = 0; j < i; j++)
 647                if (pfx == check_output_pfx(codec, pins[j]))
 648                        idx++;
 649
 650        return idx;
 651}
 652
 653static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 654                               const struct auto_pin_cfg *cfg,
 655                               const char *name, char *label, int maxlen,
 656                               int *indexp)
 657{
 658        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 659        int attr = snd_hda_get_input_pin_attr(def_conf);
 660        const char *pfx, *sfx = "";
 661
 662        /* handle as a speaker if it's a fixed line-out */
 663        if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 664                name = "Speaker";
 665        pfx = check_output_pfx(codec, nid);
 666
 667        if (cfg) {
 668                /* try to give a unique suffix if needed */
 669                sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 670                                       indexp);
 671                if (!sfx)
 672                        sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 673                                               indexp);
 674                if (!sfx) {
 675                        /* don't add channel suffix for Headphone controls */
 676                        int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
 677                                                     cfg->hp_outs);
 678                        if (idx >= 0 && indexp)
 679                                *indexp = idx;
 680                        sfx = "";
 681                }
 682        }
 683        snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 684        return 1;
 685}
 686
 687#define is_hdmi_cfg(conf) \
 688        (get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
 689
 690/**
 691 * snd_hda_get_pin_label - Get a label for the given I/O pin
 692 * @codec: the HDA codec
 693 * @nid: pin NID
 694 * @cfg: the parsed pin configuration
 695 * @label: the string buffer to store
 696 * @maxlen: the max length of string buffer (including termination)
 697 * @indexp: the pointer to return the index number (for multiple ctls)
 698 *
 699 * Get a label for the given pin.  This function works for both input and
 700 * output pins.  When @cfg is given as non-NULL, the function tries to get
 701 * an optimized label using hda_get_autocfg_input_label().
 702 *
 703 * This function tries to give a unique label string for the pin as much as
 704 * possible.  For example, when the multiple line-outs are present, it adds
 705 * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 706 * If no unique name with a suffix is available and @indexp is non-NULL, the
 707 * index number is stored in the pointer.
 708 */
 709int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 710                          const struct auto_pin_cfg *cfg,
 711                          char *label, int maxlen, int *indexp)
 712{
 713        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 714        const char *name = NULL;
 715        int i;
 716        bool hdmi;
 717
 718        if (indexp)
 719                *indexp = 0;
 720        if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 721                return 0;
 722
 723        switch (get_defcfg_device(def_conf)) {
 724        case AC_JACK_LINE_OUT:
 725                return fill_audio_out_name(codec, nid, cfg, "Line Out",
 726                                           label, maxlen, indexp);
 727        case AC_JACK_SPEAKER:
 728                return fill_audio_out_name(codec, nid, cfg, "Speaker",
 729                                           label, maxlen, indexp);
 730        case AC_JACK_HP_OUT:
 731                return fill_audio_out_name(codec, nid, cfg, "Headphone",
 732                                           label, maxlen, indexp);
 733        case AC_JACK_SPDIF_OUT:
 734        case AC_JACK_DIG_OTHER_OUT:
 735                hdmi = is_hdmi_cfg(def_conf);
 736                name = hdmi ? "HDMI" : "SPDIF";
 737                if (cfg && indexp)
 738                        for (i = 0; i < cfg->dig_outs; i++) {
 739                                hda_nid_t pin = cfg->dig_out_pins[i];
 740                                unsigned int c;
 741                                if (pin == nid)
 742                                        break;
 743                                c = snd_hda_codec_get_pincfg(codec, pin);
 744                                if (hdmi == is_hdmi_cfg(c))
 745                                        (*indexp)++;
 746                        }
 747                break;
 748        default:
 749                if (cfg) {
 750                        for (i = 0; i < cfg->num_inputs; i++) {
 751                                if (cfg->inputs[i].pin != nid)
 752                                        continue;
 753                                name = hda_get_autocfg_input_label(codec, cfg, i);
 754                                if (name)
 755                                        break;
 756                        }
 757                }
 758                if (!name)
 759                        name = hda_get_input_pin_label(codec, NULL, nid, true);
 760                break;
 761        }
 762        if (!name)
 763                return 0;
 764        strlcpy(label, name, maxlen);
 765        return 1;
 766}
 767EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
 768
 769/**
 770 * snd_hda_add_verbs - Add verbs to the init list
 771 * @codec: the HDA codec
 772 * @list: zero-terminated verb list to add
 773 *
 774 * Append the given verb list to the execution list.  The verbs will be
 775 * performed at init and resume time via snd_hda_apply_verbs().
 776 */
 777int snd_hda_add_verbs(struct hda_codec *codec,
 778                      const struct hda_verb *list)
 779{
 780        const struct hda_verb **v;
 781        v = snd_array_new(&codec->verbs);
 782        if (!v)
 783                return -ENOMEM;
 784        *v = list;
 785        return 0;
 786}
 787EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
 788
 789/**
 790 * snd_hda_apply_verbs - Execute the init verb lists
 791 * @codec: the HDA codec
 792 */
 793void snd_hda_apply_verbs(struct hda_codec *codec)
 794{
 795        int i;
 796        for (i = 0; i < codec->verbs.used; i++) {
 797                struct hda_verb **v = snd_array_elem(&codec->verbs, i);
 798                snd_hda_sequence_write(codec, *v);
 799        }
 800}
 801EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
 802
 803/**
 804 * snd_hda_apply_pincfgs - Set each pin config in the given list
 805 * @codec: the HDA codec
 806 * @cfg: NULL-terminated pin config table
 807 */
 808void snd_hda_apply_pincfgs(struct hda_codec *codec,
 809                           const struct hda_pintbl *cfg)
 810{
 811        for (; cfg->nid; cfg++)
 812                snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 813}
 814EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
 815
 816static void set_pin_targets(struct hda_codec *codec,
 817                            const struct hda_pintbl *cfg)
 818{
 819        for (; cfg->nid; cfg++)
 820                snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
 821}
 822
 823static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
 824{
 825        const char *modelname = codec->fixup_name;
 826
 827        while (id >= 0) {
 828                const struct hda_fixup *fix = codec->fixup_list + id;
 829
 830                if (fix->chained_before)
 831                        apply_fixup(codec, fix->chain_id, action, depth + 1);
 832
 833                switch (fix->type) {
 834                case HDA_FIXUP_PINS:
 835                        if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 836                                break;
 837                        codec_dbg(codec, "%s: Apply pincfg for %s\n",
 838                                    codec->core.chip_name, modelname);
 839                        snd_hda_apply_pincfgs(codec, fix->v.pins);
 840                        break;
 841                case HDA_FIXUP_VERBS:
 842                        if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 843                                break;
 844                        codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
 845                                    codec->core.chip_name, modelname);
 846                        snd_hda_add_verbs(codec, fix->v.verbs);
 847                        break;
 848                case HDA_FIXUP_FUNC:
 849                        if (!fix->v.func)
 850                                break;
 851                        codec_dbg(codec, "%s: Apply fix-func for %s\n",
 852                                    codec->core.chip_name, modelname);
 853                        fix->v.func(codec, fix, action);
 854                        break;
 855                case HDA_FIXUP_PINCTLS:
 856                        if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
 857                                break;
 858                        codec_dbg(codec, "%s: Apply pinctl for %s\n",
 859                                    codec->core.chip_name, modelname);
 860                        set_pin_targets(codec, fix->v.pins);
 861                        break;
 862                default:
 863                        codec_err(codec, "%s: Invalid fixup type %d\n",
 864                                   codec->core.chip_name, fix->type);
 865                        break;
 866                }
 867                if (!fix->chained || fix->chained_before)
 868                        break;
 869                if (++depth > 10)
 870                        break;
 871                id = fix->chain_id;
 872        }
 873}
 874
 875/**
 876 * snd_hda_apply_fixup - Apply the fixup chain with the given action
 877 * @codec: the HDA codec
 878 * @action: fixup action (HDA_FIXUP_ACT_XXX)
 879 */
 880void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 881{
 882        if (codec->fixup_list)
 883                apply_fixup(codec, codec->fixup_id, action, 0);
 884}
 885EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
 886
 887static bool pin_config_match(struct hda_codec *codec,
 888                             const struct hda_pintbl *pins)
 889{
 890        int i;
 891
 892        for (i = 0; i < codec->init_pins.used; i++) {
 893                struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
 894                hda_nid_t nid = pin->nid;
 895                u32 cfg = pin->cfg;
 896                const struct hda_pintbl *t_pins;
 897                int found;
 898
 899                t_pins = pins;
 900                found = 0;
 901                for (; t_pins->nid; t_pins++) {
 902                        if (t_pins->nid == nid) {
 903                                found = 1;
 904                                if (t_pins->val == cfg)
 905                                        break;
 906                                else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
 907                                        break;
 908                                else
 909                                        return false;
 910                        }
 911                }
 912                if (!found && (cfg & 0xf0000000) != 0x40000000)
 913                        return false;
 914        }
 915
 916        return true;
 917}
 918
 919/**
 920 * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
 921 * @codec: the HDA codec
 922 * @pin_quirk: zero-terminated pin quirk list
 923 * @fixlist: the fixup list
 924 */
 925void snd_hda_pick_pin_fixup(struct hda_codec *codec,
 926                            const struct snd_hda_pin_quirk *pin_quirk,
 927                            const struct hda_fixup *fixlist)
 928{
 929        const struct snd_hda_pin_quirk *pq;
 930
 931        if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
 932                return;
 933
 934        for (pq = pin_quirk; pq->subvendor; pq++) {
 935                if ((codec->core.subsystem_id & 0xffff0000) != (pq->subvendor << 16))
 936                        continue;
 937                if (codec->core.vendor_id != pq->codec)
 938                        continue;
 939                if (pin_config_match(codec, pq->pins)) {
 940                        codec->fixup_id = pq->value;
 941#ifdef CONFIG_SND_DEBUG_VERBOSE
 942                        codec->fixup_name = pq->name;
 943                        codec_dbg(codec, "%s: picked fixup %s (pin match)\n",
 944                                  codec->core.chip_name, codec->fixup_name);
 945#endif
 946                        codec->fixup_list = fixlist;
 947                        return;
 948                }
 949        }
 950}
 951EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
 952
 953/**
 954 * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
 955 * @codec: the HDA codec
 956 * @models: NULL-terminated model string list
 957 * @quirk: zero-terminated PCI/codec SSID quirk list
 958 * @fixlist: the fixup list
 959 *
 960 * Pick up a fixup entry matching with the given model string or SSID.
 961 * If a fixup was already set beforehand, the function doesn't do anything.
 962 * When a special model string "nofixup" is given, also no fixup is applied.
 963 *
 964 * The function tries to find the matching model name at first, if given.
 965 * If nothing matched, try to look up the PCI SSID.
 966 * If still nothing matched, try to look up the codec SSID.
 967 */
 968void snd_hda_pick_fixup(struct hda_codec *codec,
 969                        const struct hda_model_fixup *models,
 970                        const struct snd_pci_quirk *quirk,
 971                        const struct hda_fixup *fixlist)
 972{
 973        const struct snd_pci_quirk *q;
 974        int id = HDA_FIXUP_ID_NOT_SET;
 975        const char *name = NULL;
 976
 977        if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
 978                return;
 979
 980        /* when model=nofixup is given, don't pick up any fixups */
 981        if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 982                codec->fixup_list = NULL;
 983                codec->fixup_name = NULL;
 984                codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
 985                codec_dbg(codec, "%s: picked no fixup (nofixup specified)\n",
 986                          codec->core.chip_name);
 987                return;
 988        }
 989
 990        if (codec->modelname && models) {
 991                while (models->name) {
 992                        if (!strcmp(codec->modelname, models->name)) {
 993                                codec->fixup_id = models->id;
 994                                codec->fixup_name = models->name;
 995                                codec->fixup_list = fixlist;
 996                                codec_dbg(codec, "%s: picked fixup %s (model specified)\n",
 997                                          codec->core.chip_name, codec->fixup_name);
 998                                return;
 999                        }
1000                        models++;
1001                }
1002        }
1003        if (quirk) {
1004                q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
1005                if (q) {
1006                        id = q->value;
1007#ifdef CONFIG_SND_DEBUG_VERBOSE
1008                        name = q->name;
1009                        codec_dbg(codec, "%s: picked fixup %s (PCI SSID%s)\n",
1010                                  codec->core.chip_name, name, q->subdevice_mask ? "" : " - vendor generic");
1011#endif
1012                }
1013        }
1014        if (id < 0 && quirk) {
1015                for (q = quirk; q->subvendor || q->subdevice; q++) {
1016                        unsigned int vendorid =
1017                                q->subdevice | (q->subvendor << 16);
1018                        unsigned int mask = 0xffff0000 | q->subdevice_mask;
1019                        if ((codec->core.subsystem_id & mask) == (vendorid & mask)) {
1020                                id = q->value;
1021#ifdef CONFIG_SND_DEBUG_VERBOSE
1022                                name = q->name;
1023                                codec_dbg(codec, "%s: picked fixup %s (codec SSID)\n",
1024                                          codec->core.chip_name, name);
1025#endif
1026                                break;
1027                        }
1028                }
1029        }
1030
1031        codec->fixup_id = id;
1032        if (id >= 0) {
1033                codec->fixup_list = fixlist;
1034                codec->fixup_name = name;
1035        }
1036}
1037EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
1038
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