LXR linux/sound/pci/hda/hda_auto

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