LXR linux/sound/pci/hda/hda

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Jack-detection handling for HD-audio
   4 *
   5 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
   6 */
   7
   8#include <linux/init.h>
   9#include <linux/slab.h>
  10#include <linux/export.h>
  11#include <sound/core.h>
  12#include <sound/control.h>
  13#include <sound/jack.h>
  14#include <sound/hda_codec.h>
  15#include "hda_local.h"
  16#include "hda_auto_parser.h"
  17#include "hda_jack.h"
  18
  19/**
  20 * is_jack_detectable - Check whether the given pin is jack-detectable
  21 * @codec: the HDA codec
  22 * @nid: pin NID
  23 *
  24 * Check whether the given pin is capable to report the jack detection.
  25 * The jack detection might not work by various reasons, e.g. the jack
  26 * detection is prohibited in the codec level, the pin config has
  27 * AC_DEFCFG_MISC_NO_PRESENCE bit, no unsol support, etc.
  28 */
  29bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
  30{
  31        if (codec->no_jack_detect)
  32                return false;
  33        if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
  34                return false;
  35        if (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
  36             AC_DEFCFG_MISC_NO_PRESENCE)
  37                return false;
  38        if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP) &&
  39            !codec->jackpoll_interval)
  40                return false;
  41        return true;
  42}
  43EXPORT_SYMBOL_GPL(is_jack_detectable);
  44
  45/* execute pin sense measurement */
  46static u32 read_pin_sense(struct hda_codec *codec, hda_nid_t nid, int dev_id)
  47{
  48        u32 pincap;
  49        u32 val;
  50
  51        if (!codec->no_trigger_sense) {
  52                pincap = snd_hda_query_pin_caps(codec, nid);
  53                if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
  54                        snd_hda_codec_read(codec, nid, 0,
  55                                        AC_VERB_SET_PIN_SENSE, 0);
  56        }
  57        val = snd_hda_codec_read(codec, nid, 0,
  58                                  AC_VERB_GET_PIN_SENSE, dev_id);
  59        if (codec->inv_jack_detect)
  60                val ^= AC_PINSENSE_PRESENCE;
  61        return val;
  62}
  63
  64/**
  65 * snd_hda_jack_tbl_get_mst - query the jack-table entry for the given NID
  66 * @codec: the HDA codec
  67 * @nid: pin NID to refer to
  68 * @dev_id: pin device entry id
  69 */
  70struct hda_jack_tbl *
  71snd_hda_jack_tbl_get_mst(struct hda_codec *codec, hda_nid_t nid, int dev_id)
  72{
  73        struct hda_jack_tbl *jack = codec->jacktbl.list;
  74        int i;
  75
  76        if (!nid || !jack)
  77                return NULL;
  78        for (i = 0; i < codec->jacktbl.used; i++, jack++)
  79                if (jack->nid == nid && jack->dev_id == dev_id)
  80                        return jack;
  81        return NULL;
  82}
  83EXPORT_SYMBOL_GPL(snd_hda_jack_tbl_get_mst);
  84
  85/**
  86 * snd_hda_jack_tbl_get_from_tag - query the jack-table entry for the given tag
  87 * @codec: the HDA codec
  88 * @tag: tag value to refer to
  89 * @dev_id: pin device entry id
  90 */
  91struct hda_jack_tbl *
  92snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec,
  93                              unsigned char tag, int dev_id)
  94{
  95        struct hda_jack_tbl *jack = codec->jacktbl.list;
  96        int i;
  97
  98        if (!tag || !jack)
  99                return NULL;
 100        for (i = 0; i < codec->jacktbl.used; i++, jack++)
 101                if (jack->tag == tag && jack->dev_id == dev_id)
 102                        return jack;
 103        return NULL;
 104}
 105EXPORT_SYMBOL_GPL(snd_hda_jack_tbl_get_from_tag);
 106
 107static struct hda_jack_tbl *
 108any_jack_tbl_get_from_nid(struct hda_codec *codec, hda_nid_t nid)
 109{
 110        struct hda_jack_tbl *jack = codec->jacktbl.list;
 111        int i;
 112
 113        if (!nid || !jack)
 114                return NULL;
 115        for (i = 0; i < codec->jacktbl.used; i++, jack++)
 116                if (jack->nid == nid)
 117                        return jack;
 118        return NULL;
 119}
 120
 121/**
 122 * snd_hda_jack_tbl_new - create a jack-table entry for the given NID
 123 * @codec: the HDA codec
 124 * @nid: pin NID to assign
 125 * @dev_id: pin device entry id
 126 */
 127static struct hda_jack_tbl *
 128snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid, int dev_id)
 129{
 130        struct hda_jack_tbl *jack =
 131                snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
 132        struct hda_jack_tbl *existing_nid_jack =
 133                any_jack_tbl_get_from_nid(codec, nid);
 134
 135        WARN_ON(dev_id != 0 && !codec->dp_mst);
 136
 137        if (jack)
 138                return jack;
 139        jack = snd_array_new(&codec->jacktbl);
 140        if (!jack)
 141                return NULL;
 142        jack->nid = nid;
 143        jack->dev_id = dev_id;
 144        jack->jack_dirty = 1;
 145        if (existing_nid_jack) {
 146                jack->tag = existing_nid_jack->tag;
 147
 148                /*
 149                 * Copy jack_detect from existing_nid_jack to avoid
 150                 * snd_hda_jack_detect_enable_callback_mst() making multiple
 151                 * SET_UNSOLICITED_ENABLE calls on the same pin.
 152                 */
 153                jack->jack_detect = existing_nid_jack->jack_detect;
 154        } else {
 155                jack->tag = codec->jacktbl.used;
 156        }
 157
 158        return jack;
 159}
 160
 161void snd_hda_jack_tbl_clear(struct hda_codec *codec)
 162{
 163        struct hda_jack_tbl *jack = codec->jacktbl.list;
 164        int i;
 165
 166        for (i = 0; i < codec->jacktbl.used; i++, jack++) {
 167                struct hda_jack_callback *cb, *next;
 168
 169                /* free jack instances manually when clearing/reconfiguring */
 170                if (!codec->bus->shutdown && jack->jack)
 171                        snd_device_free(codec->card, jack->jack);
 172
 173                for (cb = jack->callback; cb; cb = next) {
 174                        next = cb->next;
 175                        kfree(cb);
 176                }
 177        }
 178        snd_array_free(&codec->jacktbl);
 179}
 180
 181#define get_jack_plug_state(sense) !!(sense & AC_PINSENSE_PRESENCE)
 182
 183/* update the cached value and notification flag if needed */
 184static void jack_detect_update(struct hda_codec *codec,
 185                               struct hda_jack_tbl *jack)
 186{
 187        if (!jack->jack_dirty)
 188                return;
 189
 190        if (jack->phantom_jack)
 191                jack->pin_sense = AC_PINSENSE_PRESENCE;
 192        else
 193                jack->pin_sense = read_pin_sense(codec, jack->nid,
 194                                                 jack->dev_id);
 195
 196        /* A gating jack indicates the jack is invalid if gating is unplugged */
 197        if (jack->gating_jack &&
 198            !snd_hda_jack_detect_mst(codec, jack->gating_jack, jack->dev_id))
 199                jack->pin_sense &= ~AC_PINSENSE_PRESENCE;
 200
 201        jack->jack_dirty = 0;
 202
 203        /* If a jack is gated by this one update it. */
 204        if (jack->gated_jack) {
 205                struct hda_jack_tbl *gated =
 206                        snd_hda_jack_tbl_get_mst(codec, jack->gated_jack,
 207                                                 jack->dev_id);
 208                if (gated) {
 209                        gated->jack_dirty = 1;
 210                        jack_detect_update(codec, gated);
 211                }
 212        }
 213}
 214
 215/**
 216 * snd_hda_jack_set_dirty_all - Mark all the cached as dirty
 217 * @codec: the HDA codec
 218 *
 219 * This function sets the dirty flag to all entries of jack table.
 220 * It's called from the resume path in hda_codec.c.
 221 */
 222void snd_hda_jack_set_dirty_all(struct hda_codec *codec)
 223{
 224        struct hda_jack_tbl *jack = codec->jacktbl.list;
 225        int i;
 226
 227        for (i = 0; i < codec->jacktbl.used; i++, jack++)
 228                if (jack->nid)
 229                        jack->jack_dirty = 1;
 230}
 231EXPORT_SYMBOL_GPL(snd_hda_jack_set_dirty_all);
 232
 233/**
 234 * snd_hda_jack_pin_sense - execute pin sense measurement
 235 * @codec: the CODEC to sense
 236 * @nid: the pin NID to sense
 237 * @dev_id: pin device entry id
 238 *
 239 * Execute necessary pin sense measurement and return its Presence Detect,
 240 * Impedance, ELD Valid etc. status bits.
 241 */
 242u32 snd_hda_jack_pin_sense(struct hda_codec *codec, hda_nid_t nid, int dev_id)
 243{
 244        struct hda_jack_tbl *jack =
 245                snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
 246        if (jack) {
 247                jack_detect_update(codec, jack);
 248                return jack->pin_sense;
 249        }
 250        return read_pin_sense(codec, nid, dev_id);
 251}
 252EXPORT_SYMBOL_GPL(snd_hda_jack_pin_sense);
 253
 254/**
 255 * snd_hda_jack_detect_state_mst - query pin Presence Detect status
 256 * @codec: the CODEC to sense
 257 * @nid: the pin NID to sense
 258 * @dev_id: pin device entry id
 259 *
 260 * Query and return the pin's Presence Detect status, as either
 261 * HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT or HDA_JACK_PHANTOM.
 262 */
 263int snd_hda_jack_detect_state_mst(struct hda_codec *codec,
 264                                  hda_nid_t nid, int dev_id)
 265{
 266        struct hda_jack_tbl *jack =
 267                snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
 268        if (jack && jack->phantom_jack)
 269                return HDA_JACK_PHANTOM;
 270        else if (snd_hda_jack_pin_sense(codec, nid, dev_id) &
 271                 AC_PINSENSE_PRESENCE)
 272                return HDA_JACK_PRESENT;
 273        else
 274                return HDA_JACK_NOT_PRESENT;
 275}
 276EXPORT_SYMBOL_GPL(snd_hda_jack_detect_state_mst);
 277
 278static struct hda_jack_callback *
 279find_callback_from_list(struct hda_jack_tbl *jack,
 280                        hda_jack_callback_fn func)
 281{
 282        struct hda_jack_callback *cb;
 283
 284        if (!func)
 285                return NULL;
 286
 287        for (cb = jack->callback; cb; cb = cb->next) {
 288                if (cb->func == func)
 289                        return cb;
 290        }
 291
 292        return NULL;
 293}
 294
 295/**
 296 * snd_hda_jack_detect_enable_callback_mst - enable the jack-detection
 297 * @codec: the HDA codec
 298 * @nid: pin NID to enable
 299 * @func: callback function to register
 300 * @dev_id: pin device entry id
 301 *
 302 * In the case of error, the return value will be a pointer embedded with
 303 * errno.  Check and handle the return value appropriately with standard
 304 * macros such as @IS_ERR() and @PTR_ERR().
 305 */
 306struct hda_jack_callback *
 307snd_hda_jack_detect_enable_callback_mst(struct hda_codec *codec, hda_nid_t nid,
 308                                        int dev_id, hda_jack_callback_fn func)
 309{
 310        struct hda_jack_tbl *jack;
 311        struct hda_jack_callback *callback = NULL;
 312        int err;
 313
 314        jack = snd_hda_jack_tbl_new(codec, nid, dev_id);
 315        if (!jack)
 316                return ERR_PTR(-ENOMEM);
 317
 318        callback = find_callback_from_list(jack, func);
 319
 320        if (func && !callback) {
 321                callback = kzalloc(sizeof(*callback), GFP_KERNEL);
 322                if (!callback)
 323                        return ERR_PTR(-ENOMEM);
 324                callback->func = func;
 325                callback->nid = jack->nid;
 326                callback->dev_id = jack->dev_id;
 327                callback->next = jack->callback;
 328                jack->callback = callback;
 329        }
 330
 331        if (jack->jack_detect)
 332                return callback; /* already registered */
 333        jack->jack_detect = 1;
 334        if (codec->jackpoll_interval > 0)
 335                return callback; /* No unsol if we're polling instead */
 336        err = snd_hda_codec_write_cache(codec, nid, 0,
 337                                         AC_VERB_SET_UNSOLICITED_ENABLE,
 338                                         AC_USRSP_EN | jack->tag);
 339        if (err < 0)
 340                return ERR_PTR(err);
 341        return callback;
 342}
 343EXPORT_SYMBOL_GPL(snd_hda_jack_detect_enable_callback_mst);
 344
 345/**
 346 * snd_hda_jack_detect_enable - Enable the jack detection on the given pin
 347 * @codec: the HDA codec
 348 * @nid: pin NID to enable jack detection
 349 * @dev_id: pin device entry id
 350 *
 351 * Enable the jack detection with the default callback.  Returns zero if
 352 * successful or a negative error code.
 353 */
 354int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
 355                               int dev_id)
 356{
 357        return PTR_ERR_OR_ZERO(snd_hda_jack_detect_enable_callback_mst(codec,
 358                                                                       nid,
 359                                                                       dev_id,
 360                                                                       NULL));
 361}
 362EXPORT_SYMBOL_GPL(snd_hda_jack_detect_enable);
 363
 364/**
 365 * snd_hda_jack_set_gating_jack - Set gating jack.
 366 * @codec: the HDA codec
 367 * @gated_nid: gated pin NID
 368 * @gating_nid: gating pin NID
 369 *
 370 * Indicates the gated jack is only valid when the gating jack is plugged.
 371 */
 372int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid,
 373                                 hda_nid_t gating_nid)
 374{
 375        struct hda_jack_tbl *gated = snd_hda_jack_tbl_new(codec, gated_nid, 0);
 376        struct hda_jack_tbl *gating =
 377                snd_hda_jack_tbl_new(codec, gating_nid, 0);
 378
 379        WARN_ON(codec->dp_mst);
 380
 381        if (!gated || !gating)
 382                return -EINVAL;
 383
 384        gated->gating_jack = gating_nid;
 385        gating->gated_jack = gated_nid;
 386
 387        return 0;
 388}
 389EXPORT_SYMBOL_GPL(snd_hda_jack_set_gating_jack);
 390
 391/**
 392 * snd_hda_jack_bind_keymap - bind keys generated from one NID to another jack.
 393 * @codec: the HDA codec
 394 * @key_nid: key event is generated by this pin NID
 395 * @keymap: map of key type and key code
 396 * @jack_nid: key reports to the jack of this pin NID
 397 *
 398 * This function is used in the case of key is generated from one NID while is
 399 * reported to the jack of another NID.
 400 */
 401int snd_hda_jack_bind_keymap(struct hda_codec *codec, hda_nid_t key_nid,
 402                             const struct hda_jack_keymap *keymap,
 403                             hda_nid_t jack_nid)
 404{
 405        const struct hda_jack_keymap *map;
 406        struct hda_jack_tbl *key_gen = snd_hda_jack_tbl_get(codec, key_nid);
 407        struct hda_jack_tbl *report_to = snd_hda_jack_tbl_get(codec, jack_nid);
 408
 409        WARN_ON(codec->dp_mst);
 410
 411        if (!key_gen || !report_to || !report_to->jack)
 412                return -EINVAL;
 413
 414        key_gen->key_report_jack = jack_nid;
 415
 416        if (keymap)
 417                for (map = keymap; map->type; map++)
 418                        snd_jack_set_key(report_to->jack, map->type, map->key);
 419
 420        return 0;
 421}
 422EXPORT_SYMBOL_GPL(snd_hda_jack_bind_keymap);
 423
 424/**
 425 * snd_hda_jack_set_button_state - report button event to the hda_jack_tbl button_state.
 426 * @codec: the HDA codec
 427 * @jack_nid: the button event reports to the jack_tbl of this NID
 428 * @button_state: the button event captured by codec
 429 *
 430 * Codec driver calls this function to report the button event.
 431 */
 432void snd_hda_jack_set_button_state(struct hda_codec *codec, hda_nid_t jack_nid,
 433                                   int button_state)
 434{
 435        struct hda_jack_tbl *jack = snd_hda_jack_tbl_get(codec, jack_nid);
 436
 437        if (!jack)
 438                return;
 439
 440        if (jack->key_report_jack) {
 441                struct hda_jack_tbl *report_to =
 442                        snd_hda_jack_tbl_get(codec, jack->key_report_jack);
 443
 444                if (report_to) {
 445                        report_to->button_state = button_state;
 446                        return;
 447                }
 448        }
 449
 450        jack->button_state = button_state;
 451}
 452EXPORT_SYMBOL_GPL(snd_hda_jack_set_button_state);
 453
 454/**
 455 * snd_hda_jack_report_sync - sync the states of all jacks and report if changed
 456 * @codec: the HDA codec
 457 */
 458void snd_hda_jack_report_sync(struct hda_codec *codec)
 459{
 460        struct hda_jack_tbl *jack;
 461        int i, state;
 462
 463        /* update all jacks at first */
 464        jack = codec->jacktbl.list;
 465        for (i = 0; i < codec->jacktbl.used; i++, jack++)
 466                if (jack->nid)
 467                        jack_detect_update(codec, jack);
 468
 469        /* report the updated jacks; it's done after updating all jacks
 470         * to make sure that all gating jacks properly have been set
 471         */
 472        jack = codec->jacktbl.list;
 473        for (i = 0; i < codec->jacktbl.used; i++, jack++)
 474                if (jack->nid) {
 475                        if (!jack->jack || jack->block_report)
 476                                continue;
 477                        state = jack->button_state;
 478                        if (get_jack_plug_state(jack->pin_sense))
 479                                state |= jack->type;
 480                        snd_jack_report(jack->jack, state);
 481                        if (jack->button_state) {
 482                                snd_jack_report(jack->jack,
 483                                                state & ~jack->button_state);
 484                                jack->button_state = 0; /* button released */
 485                        }
 486                }
 487}
 488EXPORT_SYMBOL_GPL(snd_hda_jack_report_sync);
 489
 490/* guess the jack type from the pin-config */
 491static int get_input_jack_type(struct hda_codec *codec, hda_nid_t nid)
 492{
 493        unsigned int def_conf = snd_hda_codec_get_pincfg(codec, nid);
 494        switch (get_defcfg_device(def_conf)) {
 495        case AC_JACK_LINE_OUT:
 496        case AC_JACK_SPEAKER:
 497                return SND_JACK_LINEOUT;
 498        case AC_JACK_HP_OUT:
 499                return SND_JACK_HEADPHONE;
 500        case AC_JACK_SPDIF_OUT:
 501        case AC_JACK_DIG_OTHER_OUT:
 502                return SND_JACK_AVOUT;
 503        case AC_JACK_MIC_IN:
 504                return SND_JACK_MICROPHONE;
 505        default:
 506                return SND_JACK_LINEIN;
 507        }
 508}
 509
 510static void hda_free_jack_priv(struct snd_jack *jack)
 511{
 512        struct hda_jack_tbl *jacks = jack->private_data;
 513        jacks->nid = 0;
 514        jacks->jack = NULL;
 515}
 516
 517/**
 518 * snd_hda_jack_add_kctl_mst - Add a kctl for the given pin
 519 * @codec: the HDA codec
 520 * @nid: pin NID to assign
 521 * @dev_id : pin device entry id
 522 * @name: string name for the jack
 523 * @phantom_jack: flag to deal as a phantom jack
 524 * @type: jack type bits to be reported, 0 for guessing from pincfg
 525 * @keymap: optional jack / key mapping
 526 *
 527 * This assigns a jack-detection kctl to the given pin.  The kcontrol
 528 * will have the given name and index.
 529 */
 530int snd_hda_jack_add_kctl_mst(struct hda_codec *codec, hda_nid_t nid,
 531                              int dev_id, const char *name, bool phantom_jack,
 532                              int type, const struct hda_jack_keymap *keymap)
 533{
 534        struct hda_jack_tbl *jack;
 535        const struct hda_jack_keymap *map;
 536        int err, state, buttons;
 537
 538        jack = snd_hda_jack_tbl_new(codec, nid, dev_id);
 539        if (!jack)
 540                return 0;
 541        if (jack->jack)
 542                return 0; /* already created */
 543
 544        if (!type)
 545                type = get_input_jack_type(codec, nid);
 546
 547        buttons = 0;
 548        if (keymap) {
 549                for (map = keymap; map->type; map++)
 550                        buttons |= map->type;
 551        }
 552
 553        err = snd_jack_new(codec->card, name, type | buttons,
 554                           &jack->jack, true, phantom_jack);
 555        if (err < 0)
 556                return err;
 557
 558        jack->phantom_jack = !!phantom_jack;
 559        jack->type = type;
 560        jack->button_state = 0;
 561        jack->jack->private_data = jack;
 562        jack->jack->private_free = hda_free_jack_priv;
 563        if (keymap) {
 564                for (map = keymap; map->type; map++)
 565                        snd_jack_set_key(jack->jack, map->type, map->key);
 566        }
 567
 568        state = snd_hda_jack_detect_mst(codec, nid, dev_id);
 569        snd_jack_report(jack->jack, state ? jack->type : 0);
 570
 571        return 0;
 572}
 573EXPORT_SYMBOL_GPL(snd_hda_jack_add_kctl_mst);
 574
 575static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
 576                         const struct auto_pin_cfg *cfg,
 577                         const char *base_name)
 578{
 579        unsigned int def_conf, conn;
 580        char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 581        int err;
 582        bool phantom_jack;
 583
 584        WARN_ON(codec->dp_mst);
 585
 586        if (!nid)
 587                return 0;
 588        def_conf = snd_hda_codec_get_pincfg(codec, nid);
 589        conn = get_defcfg_connect(def_conf);
 590        if (conn == AC_JACK_PORT_NONE)
 591                return 0;
 592        phantom_jack = (conn != AC_JACK_PORT_COMPLEX) ||
 593                       !is_jack_detectable(codec, nid);
 594
 595        if (base_name)
 596                strscpy(name, base_name, sizeof(name));
 597        else
 598                snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), NULL);
 599        if (phantom_jack)
 600                /* Example final name: "Internal Mic Phantom Jack" */
 601                strncat(name, " Phantom", sizeof(name) - strlen(name) - 1);
 602        err = snd_hda_jack_add_kctl(codec, nid, name, phantom_jack, 0, NULL);
 603        if (err < 0)
 604                return err;
 605
 606        if (!phantom_jack)
 607                return snd_hda_jack_detect_enable(codec, nid, 0);
 608        return 0;
 609}
 610
 611/**
 612 * snd_hda_jack_add_kctls - Add kctls for all pins included in the given pincfg
 613 * @codec: the HDA codec
 614 * @cfg: pin config table to parse
 615 */
 616int snd_hda_jack_add_kctls(struct hda_codec *codec,
 617                           const struct auto_pin_cfg *cfg)
 618{
 619        const hda_nid_t *p;
 620        int i, err;
 621
 622        for (i = 0; i < cfg->num_inputs; i++) {
 623                /* If we have headphone mics; make sure they get the right name
 624                   before grabbed by output pins */
 625                if (cfg->inputs[i].is_headphone_mic) {
 626                        if (auto_cfg_hp_outs(cfg) == 1)
 627                                err = add_jack_kctl(codec, auto_cfg_hp_pins(cfg)[0],
 628                                                    cfg, "Headphone Mic");
 629                        else
 630                                err = add_jack_kctl(codec, cfg->inputs[i].pin,
 631                                                    cfg, "Headphone Mic");
 632                } else
 633                        err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg,
 634                                            NULL);
 635                if (err < 0)
 636                        return err;
 637        }
 638
 639        for (i = 0, p = cfg->line_out_pins; i < cfg->line_outs; i++, p++) {
 640                err = add_jack_kctl(codec, *p, cfg, NULL);
 641                if (err < 0)
 642                        return err;
 643        }
 644        for (i = 0, p = cfg->hp_pins; i < cfg->hp_outs; i++, p++) {
 645                if (*p == *cfg->line_out_pins) /* might be duplicated */
 646                        break;
 647                err = add_jack_kctl(codec, *p, cfg, NULL);
 648                if (err < 0)
 649                        return err;
 650        }
 651        for (i = 0, p = cfg->speaker_pins; i < cfg->speaker_outs; i++, p++) {
 652                if (*p == *cfg->line_out_pins) /* might be duplicated */
 653                        break;
 654                err = add_jack_kctl(codec, *p, cfg, NULL);
 655                if (err < 0)
 656                        return err;
 657        }
 658        for (i = 0, p = cfg->dig_out_pins; i < cfg->dig_outs; i++, p++) {
 659                err = add_jack_kctl(codec, *p, cfg, NULL);
 660                if (err < 0)
 661                        return err;
 662        }
 663        err = add_jack_kctl(codec, cfg->dig_in_pin, cfg, NULL);
 664        if (err < 0)
 665                return err;
 666        err = add_jack_kctl(codec, cfg->mono_out_pin, cfg, NULL);
 667        if (err < 0)
 668                return err;
 669        return 0;
 670}
 671EXPORT_SYMBOL_GPL(snd_hda_jack_add_kctls);
 672
 673static void call_jack_callback(struct hda_codec *codec, unsigned int res,
 674                               struct hda_jack_tbl *jack)
 675{
 676        struct hda_jack_callback *cb;
 677
 678        for (cb = jack->callback; cb; cb = cb->next) {
 679                cb->jack = jack;
 680                cb->unsol_res = res;
 681                cb->func(codec, cb);
 682        }
 683        if (jack->gated_jack) {
 684                struct hda_jack_tbl *gated =
 685                        snd_hda_jack_tbl_get_mst(codec, jack->gated_jack,
 686                                                 jack->dev_id);
 687                if (gated) {
 688                        for (cb = gated->callback; cb; cb = cb->next) {
 689                                cb->jack = gated;
 690                                cb->unsol_res = res;
 691                                cb->func(codec, cb);
 692                        }
 693                }
 694        }
 695}
 696
 697/**
 698 * snd_hda_jack_unsol_event - Handle an unsolicited event
 699 * @codec: the HDA codec
 700 * @res: the unsolicited event data
 701 */
 702void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res)
 703{
 704        struct hda_jack_tbl *event;
 705        int tag = (res & AC_UNSOL_RES_TAG) >> AC_UNSOL_RES_TAG_SHIFT;
 706
 707        if (codec->dp_mst) {
 708                int dev_entry =
 709                        (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
 710
 711                event = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry);
 712        } else {
 713                event = snd_hda_jack_tbl_get_from_tag(codec, tag, 0);
 714        }
 715        if (!event)
 716                return;
 717
 718        if (event->key_report_jack) {
 719                struct hda_jack_tbl *report_to =
 720                        snd_hda_jack_tbl_get_mst(codec, event->key_report_jack,
 721                                                 event->dev_id);
 722                if (report_to)
 723                        report_to->jack_dirty = 1;
 724        } else
 725                event->jack_dirty = 1;
 726
 727        call_jack_callback(codec, res, event);
 728        snd_hda_jack_report_sync(codec);
 729}
 730EXPORT_SYMBOL_GPL(snd_hda_jack_unsol_event);
 731
 732/**
 733 * snd_hda_jack_poll_all - Poll all jacks
 734 * @codec: the HDA codec
 735 *
 736 * Poll all detectable jacks with dirty flag, update the status, call
 737 * callbacks and call snd_hda_jack_report_sync() if any changes are found.
 738 */
 739void snd_hda_jack_poll_all(struct hda_codec *codec)
 740{
 741        struct hda_jack_tbl *jack = codec->jacktbl.list;
 742        int i, changes = 0;
 743
 744        for (i = 0; i < codec->jacktbl.used; i++, jack++) {
 745                unsigned int old_sense;
 746                if (!jack->nid || !jack->jack_dirty || jack->phantom_jack)
 747                        continue;
 748                old_sense = get_jack_plug_state(jack->pin_sense);
 749                jack_detect_update(codec, jack);
 750                if (old_sense == get_jack_plug_state(jack->pin_sense))
 751                        continue;
 752                changes = 1;
 753                call_jack_callback(codec, 0, jack);
 754        }
 755        if (changes)
 756                snd_hda_jack_report_sync(codec);
 757}
 758EXPORT_SYMBOL_GPL(snd_hda_jack_poll_all);
 759
 760