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, end_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        end_nid = codec->start_nid + codec->num_nodes;
 193        for (nid = codec->start_nid; nid < end_nid; nid++) {
 194                unsigned int wid_caps = get_wcaps(codec, nid);
 195                unsigned int wid_type = get_wcaps_type(wid_caps);
 196                unsigned int def_conf;
 197                short assoc, loc, conn, dev;
 198
 199                /* read all default configuration for pin complex */
 200                if (wid_type != AC_WID_PIN)
 201                        continue;
 202                /* ignore the given nids (e.g. pc-beep returns error) */
 203                if (ignore_nids && is_in_nid_list(nid, ignore_nids))
 204                        continue;
 205
 206                def_conf = snd_hda_codec_get_pincfg(codec, nid);
 207                conn = get_defcfg_connect(def_conf);
 208                if (conn == AC_JACK_PORT_NONE)
 209                        continue;
 210                loc = get_defcfg_location(def_conf);
 211                dev = get_defcfg_device(def_conf);
 212
 213                /* workaround for buggy BIOS setups */
 214                if (dev == AC_JACK_LINE_OUT) {
 215                        if (conn == AC_JACK_PORT_FIXED ||
 216                            conn == AC_JACK_PORT_BOTH)
 217                                dev = AC_JACK_SPEAKER;
 218                }
 219
 220                if (!check_pincap_validity(codec, nid, dev))
 221                        continue;
 222
 223                switch (dev) {
 224                case AC_JACK_LINE_OUT:
 225                        seq = get_defcfg_sequence(def_conf);
 226                        assoc = get_defcfg_association(def_conf);
 227
 228                        if (!(wid_caps & AC_WCAP_STEREO))
 229                                if (!cfg->mono_out_pin)
 230                                        cfg->mono_out_pin = nid;
 231                        if (!assoc)
 232                                continue;
 233                        if (!assoc_line_out)
 234                                assoc_line_out = assoc;
 235                        else if (assoc_line_out != assoc) {
 236                                codec_info(codec,
 237                                           "ignore pin 0x%x with mismatching assoc# 0x%x vs 0x%x\n",
 238                                           nid, assoc, assoc_line_out);
 239                                continue;
 240                        }
 241                        if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) {
 242                                codec_info(codec,
 243                                           "ignore pin 0x%x, too many assigned pins\n",
 244                                           nid);
 245                                continue;
 246                        }
 247                        line_out[cfg->line_outs].pin = nid;
 248                        line_out[cfg->line_outs].seq = seq;
 249                        cfg->line_outs++;
 250                        break;
 251                case AC_JACK_SPEAKER:
 252                        seq = get_defcfg_sequence(def_conf);
 253                        assoc = get_defcfg_association(def_conf);
 254                        if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) {
 255                                codec_info(codec,
 256                                           "ignore pin 0x%x, too many assigned pins\n",
 257                                           nid);
 258                                continue;
 259                        }
 260                        speaker_out[cfg->speaker_outs].pin = nid;
 261                        speaker_out[cfg->speaker_outs].seq = (assoc << 4) | seq;
 262                        cfg->speaker_outs++;
 263                        break;
 264                case AC_JACK_HP_OUT:
 265                        seq = get_defcfg_sequence(def_conf);
 266                        assoc = get_defcfg_association(def_conf);
 267                        if (cfg->hp_outs >= ARRAY_SIZE(cfg->hp_pins)) {
 268                                codec_info(codec,
 269                                           "ignore pin 0x%x, too many assigned pins\n",
 270                                           nid);
 271                                continue;
 272                        }
 273                        hp_out[cfg->hp_outs].pin = nid;
 274                        hp_out[cfg->hp_outs].seq = (assoc << 4) | seq;
 275                        cfg->hp_outs++;
 276                        break;
 277                case AC_JACK_MIC_IN:
 278                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_MIC);
 279                        break;
 280                case AC_JACK_LINE_IN:
 281                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_LINE_IN);
 282                        break;
 283                case AC_JACK_CD:
 284                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_CD);
 285                        break;
 286                case AC_JACK_AUX:
 287                        add_auto_cfg_input_pin(codec, cfg, nid, AUTO_PIN_AUX);
 288                        break;
 289                case AC_JACK_SPDIF_OUT:
 290                case AC_JACK_DIG_OTHER_OUT:
 291                        if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins)) {
 292                                codec_info(codec,
 293                                           "ignore pin 0x%x, too many assigned pins\n",
 294                                           nid);
 295                                continue;
 296                        }
 297                        cfg->dig_out_pins[cfg->dig_outs] = nid;
 298                        cfg->dig_out_type[cfg->dig_outs] =
 299                                (loc == AC_JACK_LOC_HDMI) ?
 300                                HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
 301                        cfg->dig_outs++;
 302                        break;
 303                case AC_JACK_SPDIF_IN:
 304                case AC_JACK_DIG_OTHER_IN:
 305                        cfg->dig_in_pin = nid;
 306                        if (loc == AC_JACK_LOC_HDMI)
 307                                cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
 308                        else
 309                                cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
 310                        break;
 311                }
 312        }
 313
 314        /* Find a pin that could be a headset or headphone mic */
 315        if (cond_flags & HDA_PINCFG_HEADSET_MIC || cond_flags & HDA_PINCFG_HEADPHONE_MIC) {
 316                bool hsmic = !!(cond_flags & HDA_PINCFG_HEADSET_MIC);
 317                bool hpmic = !!(cond_flags & HDA_PINCFG_HEADPHONE_MIC);
 318                for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++)
 319                        if (hsmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xc)) {
 320                                cfg->inputs[i].is_headset_mic = 1;
 321                                hsmic = false;
 322                        } else if (hpmic && can_be_headset_mic(codec, &cfg->inputs[i], 0xd)) {
 323                                cfg->inputs[i].is_headphone_mic = 1;
 324                                hpmic = false;
 325                        }
 326
 327                /* If we didn't find our sequence number mark, fall back to any sequence number */
 328                for (i = 0; (hsmic || hpmic) && (i < cfg->num_inputs); i++) {
 329                        if (!can_be_headset_mic(codec, &cfg->inputs[i], -1))
 330                                continue;
 331                        if (hsmic) {
 332                                cfg->inputs[i].is_headset_mic = 1;
 333                                hsmic = false;
 334                        } else if (hpmic) {
 335                                cfg->inputs[i].is_headphone_mic = 1;
 336                                hpmic = false;
 337                        }
 338                }
 339
 340                if (hsmic)
 341                        codec_dbg(codec, "Told to look for a headset mic, but didn't find any.\n");
 342                if (hpmic)
 343                        codec_dbg(codec, "Told to look for a headphone mic, but didn't find any.\n");
 344        }
 345
 346        /* FIX-UP:
 347         * If no line-out is defined but multiple HPs are found,
 348         * some of them might be the real line-outs.
 349         */
 350        if (!cfg->line_outs && cfg->hp_outs > 1 &&
 351            !(cond_flags & HDA_PINCFG_NO_HP_FIXUP)) {
 352                int i = 0;
 353                while (i < cfg->hp_outs) {
 354                        /* The real HPs should have the sequence 0x0f */
 355                        if ((hp_out[i].seq & 0x0f) == 0x0f) {
 356                                i++;
 357                                continue;
 358                        }
 359                        /* Move it to the line-out table */
 360                        line_out[cfg->line_outs++] = hp_out[i];
 361                        cfg->hp_outs--;
 362                        memmove(hp_out + i, hp_out + i + 1,
 363                                sizeof(hp_out[0]) * (cfg->hp_outs - i));
 364                }
 365                memset(hp_out + cfg->hp_outs, 0,
 366                       sizeof(hp_out[0]) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
 367                if (!cfg->hp_outs)
 368                        cfg->line_out_type = AUTO_PIN_HP_OUT;
 369
 370        }
 371
 372        /* sort by sequence */
 373        sort_pins_by_sequence(cfg->line_out_pins, line_out, cfg->line_outs);
 374        sort_pins_by_sequence(cfg->speaker_pins, speaker_out,
 375                              cfg->speaker_outs);
 376        sort_pins_by_sequence(cfg->hp_pins, hp_out, cfg->hp_outs);
 377
 378        /*
 379         * FIX-UP: if no line-outs are detected, try to use speaker or HP pin
 380         * as a primary output
 381         */
 382        if (!cfg->line_outs &&
 383            !(cond_flags & HDA_PINCFG_NO_LO_FIXUP)) {
 384                if (cfg->speaker_outs) {
 385                        cfg->line_outs = cfg->speaker_outs;
 386                        memcpy(cfg->line_out_pins, cfg->speaker_pins,
 387                               sizeof(cfg->speaker_pins));
 388                        cfg->speaker_outs = 0;
 389                        memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins));
 390                        cfg->line_out_type = AUTO_PIN_SPEAKER_OUT;
 391                } else if (cfg->hp_outs) {
 392                        cfg->line_outs = cfg->hp_outs;
 393                        memcpy(cfg->line_out_pins, cfg->hp_pins,
 394                               sizeof(cfg->hp_pins));
 395                        cfg->hp_outs = 0;
 396                        memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins));
 397                        cfg->line_out_type = AUTO_PIN_HP_OUT;
 398                }
 399        }
 400
 401        reorder_outputs(cfg->line_outs, cfg->line_out_pins);
 402        reorder_outputs(cfg->hp_outs, cfg->hp_pins);
 403        reorder_outputs(cfg->speaker_outs, cfg->speaker_pins);
 404
 405        /* sort inputs in the order of AUTO_PIN_* type */
 406        sort(cfg->inputs, cfg->num_inputs, sizeof(cfg->inputs[0]),
 407             compare_input_type, NULL);
 408
 409        /*
 410         * debug prints of the parsed results
 411         */
 412        codec_info(codec, "autoconfig: line_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x) type:%s\n",
 413                   cfg->line_outs, cfg->line_out_pins[0], cfg->line_out_pins[1],
 414                   cfg->line_out_pins[2], cfg->line_out_pins[3],
 415                   cfg->line_out_pins[4],
 416                   cfg->line_out_type == AUTO_PIN_HP_OUT ? "hp" :
 417                   (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT ?
 418                    "speaker" : "line"));
 419        codec_info(codec, "   speaker_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 420                   cfg->speaker_outs, cfg->speaker_pins[0],
 421                   cfg->speaker_pins[1], cfg->speaker_pins[2],
 422                   cfg->speaker_pins[3], cfg->speaker_pins[4]);
 423        codec_info(codec, "   hp_outs=%d (0x%x/0x%x/0x%x/0x%x/0x%x)\n",
 424                   cfg->hp_outs, cfg->hp_pins[0],
 425                   cfg->hp_pins[1], cfg->hp_pins[2],
 426                   cfg->hp_pins[3], cfg->hp_pins[4]);
 427        codec_info(codec, "   mono: mono_out=0x%x\n", cfg->mono_out_pin);
 428        if (cfg->dig_outs)
 429                codec_info(codec, "   dig-out=0x%x/0x%x\n",
 430                           cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
 431        codec_info(codec, "   inputs:\n");
 432        for (i = 0; i < cfg->num_inputs; i++) {
 433                codec_info(codec, "     %s=0x%x\n",
 434                            hda_get_autocfg_input_label(codec, cfg, i),
 435                            cfg->inputs[i].pin);
 436        }
 437        if (cfg->dig_in_pin)
 438                codec_info(codec, "   dig-in=0x%x\n", cfg->dig_in_pin);
 439
 440        return 0;
 441}
 442EXPORT_SYMBOL_GPL(snd_hda_parse_pin_defcfg);
 443
 444/**
 445 * snd_hda_get_input_pin_attr - Get the input pin attribute from pin config
 446 * @def_conf: pin configuration value
 447 *
 448 * Guess the input pin attribute (INPUT_PIN_ATTR_XXX) from the given
 449 * default pin configuration value.
 450 */
 451int snd_hda_get_input_pin_attr(unsigned int def_conf)
 452{
 453        unsigned int loc = get_defcfg_location(def_conf);
 454        unsigned int conn = get_defcfg_connect(def_conf);
 455        if (conn == AC_JACK_PORT_NONE)
 456                return INPUT_PIN_ATTR_UNUSED;
 457        /* Windows may claim the internal mic to be BOTH, too */
 458        if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
 459                return INPUT_PIN_ATTR_INT;
 460        if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
 461                return INPUT_PIN_ATTR_INT;
 462        if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
 463                return INPUT_PIN_ATTR_DOCK;
 464        if (loc == AC_JACK_LOC_REAR)
 465                return INPUT_PIN_ATTR_REAR;
 466        if (loc == AC_JACK_LOC_FRONT)
 467                return INPUT_PIN_ATTR_FRONT;
 468        return INPUT_PIN_ATTR_NORMAL;
 469}
 470EXPORT_SYMBOL_GPL(snd_hda_get_input_pin_attr);
 471
 472/**
 473 * hda_get_input_pin_label - Give a label for the given input pin
 474 * @codec: the HDA codec
 475 * @item: ping config item to refer
 476 * @pin: the pin NID
 477 * @check_location: flag to add the jack location prefix
 478 *
 479 * When @check_location is true, the function checks the pin location
 480 * for mic and line-in pins, and set an appropriate prefix like "Front",
 481 * "Rear", "Internal".
 482 */
 483static const char *hda_get_input_pin_label(struct hda_codec *codec,
 484                                           const struct auto_pin_cfg_item *item,
 485                                           hda_nid_t pin, bool check_location)
 486{
 487        unsigned int def_conf;
 488        static const char * const mic_names[] = {
 489                "Internal Mic", "Dock Mic", "Mic", "Rear Mic", "Front Mic"
 490        };
 491        int attr;
 492
 493        def_conf = snd_hda_codec_get_pincfg(codec, pin);
 494
 495        switch (get_defcfg_device(def_conf)) {
 496        case AC_JACK_MIC_IN:
 497                if (item && item->is_headset_mic)
 498                        return "Headset Mic";
 499                if (item && item->is_headphone_mic)
 500                        return "Headphone Mic";
 501                if (!check_location)
 502                        return "Mic";
 503                attr = snd_hda_get_input_pin_attr(def_conf);
 504                if (!attr)
 505                        return "None";
 506                return mic_names[attr - 1];
 507        case AC_JACK_LINE_IN:
 508                if (!check_location)
 509                        return "Line";
 510                attr = snd_hda_get_input_pin_attr(def_conf);
 511                if (!attr)
 512                        return "None";
 513                if (attr == INPUT_PIN_ATTR_DOCK)
 514                        return "Dock Line";
 515                return "Line";
 516        case AC_JACK_AUX:
 517                return "Aux";
 518        case AC_JACK_CD:
 519                return "CD";
 520        case AC_JACK_SPDIF_IN:
 521                return "SPDIF In";
 522        case AC_JACK_DIG_OTHER_IN:
 523                return "Digital In";
 524        case AC_JACK_HP_OUT:
 525                return "Headphone Mic";
 526        default:
 527                return "Misc";
 528        }
 529}
 530
 531/* Check whether the location prefix needs to be added to the label.
 532 * If all mic-jacks are in the same location (e.g. rear panel), we don't
 533 * have to put "Front" prefix to each label.  In such a case, returns false.
 534 */
 535static int check_mic_location_need(struct hda_codec *codec,
 536                                   const struct auto_pin_cfg *cfg,
 537                                   int input)
 538{
 539        unsigned int defc;
 540        int i, attr, attr2;
 541
 542        defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
 543        attr = snd_hda_get_input_pin_attr(defc);
 544        /* for internal or docking mics, we need locations */
 545        if (attr <= INPUT_PIN_ATTR_NORMAL)
 546                return 1;
 547
 548        attr = 0;
 549        for (i = 0; i < cfg->num_inputs; i++) {
 550                defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
 551                attr2 = snd_hda_get_input_pin_attr(defc);
 552                if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 553                        if (attr && attr != attr2)
 554                                return 1; /* different locations found */
 555                        attr = attr2;
 556                }
 557        }
 558        return 0;
 559}
 560
 561/**
 562 * hda_get_autocfg_input_label - Get a label for the given input
 563 * @codec: the HDA codec
 564 * @cfg: the parsed pin configuration
 565 * @input: the input index number
 566 *
 567 * Get a label for the given input pin defined by the autocfg item.
 568 * Unlike hda_get_input_pin_label(), this function checks all inputs
 569 * defined in autocfg and avoids the redundant mic/line prefix as much as
 570 * possible.
 571 */
 572const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 573                                        const struct auto_pin_cfg *cfg,
 574                                        int input)
 575{
 576        int type = cfg->inputs[input].type;
 577        int has_multiple_pins = 0;
 578
 579        if ((input > 0 && cfg->inputs[input - 1].type == type) ||
 580            (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
 581                has_multiple_pins = 1;
 582        if (has_multiple_pins && type == AUTO_PIN_MIC)
 583                has_multiple_pins &= check_mic_location_need(codec, cfg, input);
 584        return hda_get_input_pin_label(codec, &cfg->inputs[input],
 585                                       cfg->inputs[input].pin,
 586                                       has_multiple_pins);
 587}
 588EXPORT_SYMBOL_GPL(hda_get_autocfg_input_label);
 589
 590/* return the position of NID in the list, or -1 if not found */
 591static int find_idx_in_nid_list(hda_nid_t nid, const hda_nid_t *list, int nums)
 592{
 593        int i;
 594        for (i = 0; i < nums; i++)
 595                if (list[i] == nid)
 596                        return i;
 597        return -1;
 598}
 599
 600/* get a unique suffix or an index number */
 601static const char *check_output_sfx(hda_nid_t nid, const hda_nid_t *pins,
 602                                    int num_pins, int *indexp)
 603{
 604        static const char * const channel_sfx[] = {
 605                " Front", " Surround", " CLFE", " Side"
 606        };
 607        int i;
 608
 609        i = find_idx_in_nid_list(nid, pins, num_pins);
 610        if (i < 0)
 611                return NULL;
 612        if (num_pins == 1)
 613                return "";
 614        if (num_pins > ARRAY_SIZE(channel_sfx)) {
 615                if (indexp)
 616                        *indexp = i;
 617                return "";
 618        }
 619        return channel_sfx[i];
 620}
 621
 622static const char *check_output_pfx(struct hda_codec *codec, hda_nid_t nid)
 623{
 624        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 625        int attr = snd_hda_get_input_pin_attr(def_conf);
 626
 627        /* check the location */
 628        switch (attr) {
 629        case INPUT_PIN_ATTR_DOCK:
 630                return "Dock ";
 631        case INPUT_PIN_ATTR_FRONT:
 632                return "Front ";
 633        }
 634        return "";
 635}
 636
 637static int get_hp_label_index(struct hda_codec *codec, hda_nid_t nid,
 638                              const hda_nid_t *pins, int num_pins)
 639{
 640        int i, j, idx = 0;
 641
 642        const char *pfx = check_output_pfx(codec, nid);
 643
 644        i = find_idx_in_nid_list(nid, pins, num_pins);
 645        if (i < 0)
 646                return -1;
 647        for (j = 0; j < i; j++)
 648                if (pfx == check_output_pfx(codec, pins[j]))
 649                        idx++;
 650
 651        return idx;
 652}
 653
 654static int fill_audio_out_name(struct hda_codec *codec, hda_nid_t nid,
 655                               const struct auto_pin_cfg *cfg,
 656                               const char *name, char *label, int maxlen,
 657                               int *indexp)
 658{
 659        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 660        int attr = snd_hda_get_input_pin_attr(def_conf);
 661        const char *pfx, *sfx = "";
 662
 663        /* handle as a speaker if it's a fixed line-out */
 664        if (!strcmp(name, "Line Out") && attr == INPUT_PIN_ATTR_INT)
 665                name = "Speaker";
 666        pfx = check_output_pfx(codec, nid);
 667
 668        if (cfg) {
 669                /* try to give a unique suffix if needed */
 670                sfx = check_output_sfx(nid, cfg->line_out_pins, cfg->line_outs,
 671                                       indexp);
 672                if (!sfx)
 673                        sfx = check_output_sfx(nid, cfg->speaker_pins, cfg->speaker_outs,
 674                                               indexp);
 675                if (!sfx) {
 676                        /* don't add channel suffix for Headphone controls */
 677                        int idx = get_hp_label_index(codec, nid, cfg->hp_pins,
 678                                                     cfg->hp_outs);
 679                        if (idx >= 0 && indexp)
 680                                *indexp = idx;
 681                        sfx = "";
 682                }
 683        }
 684        snprintf(label, maxlen, "%s%s%s", pfx, name, sfx);
 685        return 1;
 686}
 687
 688#define is_hdmi_cfg(conf) \
 689        (get_defcfg_location(conf) == AC_JACK_LOC_HDMI)
 690
 691/**
 692 * snd_hda_get_pin_label - Get a label for the given I/O pin
 693 * @codec: the HDA codec
 694 * @nid: pin NID
 695 * @cfg: the parsed pin configuration
 696 * @label: the string buffer to store
 697 * @maxlen: the max length of string buffer (including termination)
 698 * @indexp: the pointer to return the index number (for multiple ctls)
 699 *
 700 * Get a label for the given pin.  This function works for both input and
 701 * output pins.  When @cfg is given as non-NULL, the function tries to get
 702 * an optimized label using hda_get_autocfg_input_label().
 703 *
 704 * This function tries to give a unique label string for the pin as much as
 705 * possible.  For example, when the multiple line-outs are present, it adds
 706 * the channel suffix like "Front", "Surround", etc (only when @cfg is given).
 707 * If no unique name with a suffix is available and @indexp is non-NULL, the
 708 * index number is stored in the pointer.
 709 */
 710int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid,
 711                          const struct auto_pin_cfg *cfg,
 712                          char *label, int maxlen, int *indexp)
 713{
 714        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 715        const char *name = NULL;
 716        int i;
 717        bool hdmi;
 718
 719        if (indexp)
 720                *indexp = 0;
 721        if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
 722                return 0;
 723
 724        switch (get_defcfg_device(def_conf)) {
 725        case AC_JACK_LINE_OUT:
 726                return fill_audio_out_name(codec, nid, cfg, "Line Out",
 727                                           label, maxlen, indexp);
 728        case AC_JACK_SPEAKER:
 729                return fill_audio_out_name(codec, nid, cfg, "Speaker",
 730                                           label, maxlen, indexp);
 731        case AC_JACK_HP_OUT:
 732                return fill_audio_out_name(codec, nid, cfg, "Headphone",
 733                                           label, maxlen, indexp);
 734        case AC_JACK_SPDIF_OUT:
 735        case AC_JACK_DIG_OTHER_OUT:
 736                hdmi = is_hdmi_cfg(def_conf);
 737                name = hdmi ? "HDMI" : "SPDIF";
 738                if (cfg && indexp)
 739                        for (i = 0; i < cfg->dig_outs; i++) {
 740                                hda_nid_t pin = cfg->dig_out_pins[i];
 741                                unsigned int c;
 742                                if (pin == nid)
 743                                        break;
 744                                c = snd_hda_codec_get_pincfg(codec, pin);
 745                                if (hdmi == is_hdmi_cfg(c))
 746                                        (*indexp)++;
 747                        }
 748                break;
 749        default:
 750                if (cfg) {
 751                        for (i = 0; i < cfg->num_inputs; i++) {
 752                                if (cfg->inputs[i].pin != nid)
 753                                        continue;
 754                                name = hda_get_autocfg_input_label(codec, cfg, i);
 755                                if (name)
 756                                        break;
 757                        }
 758                }
 759                if (!name)
 760                        name = hda_get_input_pin_label(codec, NULL, nid, true);
 761                break;
 762        }
 763        if (!name)
 764                return 0;
 765        strlcpy(label, name, maxlen);
 766        return 1;
 767}
 768EXPORT_SYMBOL_GPL(snd_hda_get_pin_label);
 769
 770/**
 771 * snd_hda_add_verbs - Add verbs to the init list
 772 * @codec: the HDA codec
 773 * @list: zero-terminated verb list to add
 774 *
 775 * Append the given verb list to the execution list.  The verbs will be
 776 * performed at init and resume time via snd_hda_apply_verbs().
 777 */
 778int snd_hda_add_verbs(struct hda_codec *codec,
 779                      const struct hda_verb *list)
 780{
 781        const struct hda_verb **v;
 782        v = snd_array_new(&codec->verbs);
 783        if (!v)
 784                return -ENOMEM;
 785        *v = list;
 786        return 0;
 787}
 788EXPORT_SYMBOL_GPL(snd_hda_add_verbs);
 789
 790/**
 791 * snd_hda_apply_verbs - Execute the init verb lists
 792 * @codec: the HDA codec
 793 */
 794void snd_hda_apply_verbs(struct hda_codec *codec)
 795{
 796        int i;
 797        for (i = 0; i < codec->verbs.used; i++) {
 798                struct hda_verb **v = snd_array_elem(&codec->verbs, i);
 799                snd_hda_sequence_write(codec, *v);
 800        }
 801}
 802EXPORT_SYMBOL_GPL(snd_hda_apply_verbs);
 803
 804/**
 805 * snd_hda_apply_pincfgs - Set each pin config in the given list
 806 * @codec: the HDA codec
 807 * @cfg: NULL-terminated pin config table
 808 */
 809void snd_hda_apply_pincfgs(struct hda_codec *codec,
 810                           const struct hda_pintbl *cfg)
 811{
 812        for (; cfg->nid; cfg++)
 813                snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
 814}
 815EXPORT_SYMBOL_GPL(snd_hda_apply_pincfgs);
 816
 817static void set_pin_targets(struct hda_codec *codec,
 818                            const struct hda_pintbl *cfg)
 819{
 820        for (; cfg->nid; cfg++)
 821                snd_hda_set_pin_ctl_cache(codec, cfg->nid, cfg->val);
 822}
 823
 824static void apply_fixup(struct hda_codec *codec, int id, int action, int depth)
 825{
 826        const char *modelname = codec->fixup_name;
 827
 828        while (id >= 0) {
 829                const struct hda_fixup *fix = codec->fixup_list + id;
 830
 831                if (fix->chained_before)
 832                        apply_fixup(codec, fix->chain_id, action, depth + 1);
 833
 834                switch (fix->type) {
 835                case HDA_FIXUP_PINS:
 836                        if (action != HDA_FIXUP_ACT_PRE_PROBE || !fix->v.pins)
 837                                break;
 838                        codec_dbg(codec, "%s: Apply pincfg for %s\n",
 839                                    codec->chip_name, modelname);
 840                        snd_hda_apply_pincfgs(codec, fix->v.pins);
 841                        break;
 842                case HDA_FIXUP_VERBS:
 843                        if (action != HDA_FIXUP_ACT_PROBE || !fix->v.verbs)
 844                                break;
 845                        codec_dbg(codec, "%s: Apply fix-verbs for %s\n",
 846                                    codec->chip_name, modelname);
 847                        snd_hda_add_verbs(codec, fix->v.verbs);
 848                        break;
 849                case HDA_FIXUP_FUNC:
 850                        if (!fix->v.func)
 851                                break;
 852                        codec_dbg(codec, "%s: Apply fix-func for %s\n",
 853                                    codec->chip_name, modelname);
 854                        fix->v.func(codec, fix, action);
 855                        break;
 856                case HDA_FIXUP_PINCTLS:
 857                        if (action != HDA_FIXUP_ACT_PROBE || !fix->v.pins)
 858                                break;
 859                        codec_dbg(codec, "%s: Apply pinctl for %s\n",
 860                                    codec->chip_name, modelname);
 861                        set_pin_targets(codec, fix->v.pins);
 862                        break;
 863                default:
 864                        codec_err(codec, "%s: Invalid fixup type %d\n",
 865                                   codec->chip_name, fix->type);
 866                        break;
 867                }
 868                if (!fix->chained || fix->chained_before)
 869                        break;
 870                if (++depth > 10)
 871                        break;
 872                id = fix->chain_id;
 873        }
 874}
 875
 876/**
 877 * snd_hda_apply_fixup - Apply the fixup chain with the given action
 878 * @codec: the HDA codec
 879 * @action: fixup action (HDA_FIXUP_ACT_XXX)
 880 */
 881void snd_hda_apply_fixup(struct hda_codec *codec, int action)
 882{
 883        if (codec->fixup_list)
 884                apply_fixup(codec, codec->fixup_id, action, 0);
 885}
 886EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
 887
 888static bool pin_config_match(struct hda_codec *codec,
 889                             const struct hda_pintbl *pins)
 890{
 891        for (; pins->nid; pins++) {
 892                u32 def_conf = snd_hda_codec_get_pincfg(codec, pins->nid);
 893                if (pins->val != def_conf)
 894                        return false;
 895        }
 896        return true;
 897}
 898
 899/**
 900 * snd_hda_pick_pin_fixup - Pick up a fixup matching with the pin quirk list
 901 * @codec: the HDA codec
 902 * @pin_quirk: zero-terminated pin quirk list
 903 * @fixlist: the fixup list
 904 */
 905void snd_hda_pick_pin_fixup(struct hda_codec *codec,
 906                            const struct snd_hda_pin_quirk *pin_quirk,
 907                            const struct hda_fixup *fixlist)
 908{
 909        const struct snd_hda_pin_quirk *pq;
 910
 911        if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
 912                return;
 913
 914        for (pq = pin_quirk; pq->subvendor; pq++) {
 915                if ((codec->subsystem_id & 0xffff0000) != (pq->subvendor << 16))
 916                        continue;
 917                if (codec->vendor_id != pq->codec)
 918                        continue;
 919                if (pin_config_match(codec, pq->pins)) {
 920                        codec->fixup_id = pq->value;
 921#ifdef CONFIG_SND_DEBUG_VERBOSE
 922                        codec->fixup_name = pq->name;
 923#endif
 924                        codec->fixup_list = fixlist;
 925                        return;
 926                }
 927        }
 928}
 929EXPORT_SYMBOL_GPL(snd_hda_pick_pin_fixup);
 930
 931/**
 932 * snd_hda_pick_fixup - Pick up a fixup matching with PCI/codec SSID or model string
 933 * @codec: the HDA codec
 934 * @models: NULL-terminated model string list
 935 * @quirk: zero-terminated PCI/codec SSID quirk list
 936 * @fixlist: the fixup list
 937 *
 938 * Pick up a fixup entry matching with the given model string or SSID.
 939 * If a fixup was already set beforehand, the function doesn't do anything.
 940 * When a special model string "nofixup" is given, also no fixup is applied.
 941 *
 942 * The function tries to find the matching model name at first, if given.
 943 * If nothing matched, try to look up the PCI SSID.
 944 * If still nothing matched, try to look up the codec SSID.
 945 */
 946void snd_hda_pick_fixup(struct hda_codec *codec,
 947                        const struct hda_model_fixup *models,
 948                        const struct snd_pci_quirk *quirk,
 949                        const struct hda_fixup *fixlist)
 950{
 951        const struct snd_pci_quirk *q;
 952        int id = HDA_FIXUP_ID_NOT_SET;
 953        const char *name = NULL;
 954
 955        if (codec->fixup_id != HDA_FIXUP_ID_NOT_SET)
 956                return;
 957
 958        /* when model=nofixup is given, don't pick up any fixups */
 959        if (codec->modelname && !strcmp(codec->modelname, "nofixup")) {
 960                codec->fixup_list = NULL;
 961                codec->fixup_name = NULL;
 962                codec->fixup_id = HDA_FIXUP_ID_NO_FIXUP;
 963                return;
 964        }
 965
 966        if (codec->modelname && models) {
 967                while (models->name) {
 968                        if (!strcmp(codec->modelname, models->name)) {
 969                                codec->fixup_id = models->id;
 970                                codec->fixup_name = models->name;
 971                                codec->fixup_list = fixlist;
 972                                return;
 973                        }
 974                        models++;
 975                }
 976        }
 977        if (quirk) {
 978                q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
 979                if (q) {
 980                        id = q->value;
 981#ifdef CONFIG_SND_DEBUG_VERBOSE
 982                        name = q->name;
 983#endif
 984                }
 985        }
 986        if (id < 0 && quirk) {
 987                for (q = quirk; q->subvendor || q->subdevice; q++) {
 988                        unsigned int vendorid =
 989                                q->subdevice | (q->subvendor << 16);
 990                        unsigned int mask = 0xffff0000 | q->subdevice_mask;
 991                        if ((codec->subsystem_id & mask) == (vendorid & mask)) {
 992                                id = q->value;
 993#ifdef CONFIG_SND_DEBUG_VERBOSE
 994                                name = q->name;
 995#endif
 996                                break;
 997                        }
 998                }
 999        }
1000
1001        codec->fixup_id = id;
1002        if (id >= 0) {
1003                codec->fixup_list = fixlist;
1004                codec->fixup_name = name;
1005        }
1006}
1007EXPORT_SYMBOL_GPL(snd_hda_pick_fixup);
1008
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