linux/sound/soc/intel/boards/bxt_rt298.c
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   1/*
   2 * Intel Broxton-P I2S Machine Driver
   3 *
   4 * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
   5 *
   6 * Modified from:
   7 *   Intel Skylake I2S Machine driver
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License version
  11 * 2 as published by the Free Software Foundation.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 */
  18
  19#include <linux/module.h>
  20#include <linux/platform_device.h>
  21#include <sound/core.h>
  22#include <sound/pcm.h>
  23#include <sound/soc.h>
  24#include <sound/jack.h>
  25#include <sound/pcm_params.h>
  26#include "../../codecs/hdac_hdmi.h"
  27#include "../../codecs/rt298.h"
  28
  29/* Headset jack detection DAPM pins */
  30static struct snd_soc_jack broxton_headset;
  31static struct snd_soc_jack broxton_hdmi[3];
  32
  33struct bxt_hdmi_pcm {
  34        struct list_head head;
  35        struct snd_soc_dai *codec_dai;
  36        int device;
  37};
  38
  39struct bxt_rt286_private {
  40        struct list_head hdmi_pcm_list;
  41};
  42
  43enum {
  44        BXT_DPCM_AUDIO_PB = 0,
  45        BXT_DPCM_AUDIO_CP,
  46        BXT_DPCM_AUDIO_REF_CP,
  47        BXT_DPCM_AUDIO_DMIC_CP,
  48        BXT_DPCM_AUDIO_HDMI1_PB,
  49        BXT_DPCM_AUDIO_HDMI2_PB,
  50        BXT_DPCM_AUDIO_HDMI3_PB,
  51};
  52
  53static struct snd_soc_jack_pin broxton_headset_pins[] = {
  54        {
  55                .pin = "Mic Jack",
  56                .mask = SND_JACK_MICROPHONE,
  57        },
  58        {
  59                .pin = "Headphone Jack",
  60                .mask = SND_JACK_HEADPHONE,
  61        },
  62};
  63
  64static const struct snd_kcontrol_new broxton_controls[] = {
  65        SOC_DAPM_PIN_SWITCH("Speaker"),
  66        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  67        SOC_DAPM_PIN_SWITCH("Mic Jack"),
  68};
  69
  70static const struct snd_soc_dapm_widget broxton_widgets[] = {
  71        SND_SOC_DAPM_HP("Headphone Jack", NULL),
  72        SND_SOC_DAPM_SPK("Speaker", NULL),
  73        SND_SOC_DAPM_MIC("Mic Jack", NULL),
  74        SND_SOC_DAPM_MIC("DMIC2", NULL),
  75        SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  76        SND_SOC_DAPM_SPK("HDMI1", NULL),
  77        SND_SOC_DAPM_SPK("HDMI2", NULL),
  78        SND_SOC_DAPM_SPK("HDMI3", NULL),
  79};
  80
  81static const struct snd_soc_dapm_route broxton_rt298_map[] = {
  82        /* speaker */
  83        {"Speaker", NULL, "SPOR"},
  84        {"Speaker", NULL, "SPOL"},
  85
  86        /* HP jack connectors - unknown if we have jack detect */
  87        {"Headphone Jack", NULL, "HPO Pin"},
  88
  89        /* other jacks */
  90        {"MIC1", NULL, "Mic Jack"},
  91
  92        /* digital mics */
  93        {"DMIC1 Pin", NULL, "DMIC2"},
  94        {"DMic", NULL, "SoC DMIC"},
  95
  96        {"HDMI1", NULL, "hif5-0 Output"},
  97        {"HDMI2", NULL, "hif6-0 Output"},
  98        {"HDMI2", NULL, "hif7-0 Output"},
  99
 100        /* CODEC BE connections */
 101        { "AIF1 Playback", NULL, "ssp5 Tx"},
 102        { "ssp5 Tx", NULL, "codec0_out"},
 103        { "ssp5 Tx", NULL, "codec1_out"},
 104
 105        { "codec0_in", NULL, "ssp5 Rx" },
 106        { "ssp5 Rx", NULL, "AIF1 Capture" },
 107
 108        { "dmic01_hifi", NULL, "DMIC01 Rx" },
 109        { "DMIC01 Rx", NULL, "Capture" },
 110
 111        { "hifi3", NULL, "iDisp3 Tx"},
 112        { "iDisp3 Tx", NULL, "iDisp3_out"},
 113        { "hifi2", NULL, "iDisp2 Tx"},
 114        { "iDisp2 Tx", NULL, "iDisp2_out"},
 115        { "hifi1", NULL, "iDisp1 Tx"},
 116        { "iDisp1 Tx", NULL, "iDisp1_out"},
 117};
 118
 119static const struct snd_soc_dapm_route geminilake_rt298_map[] = {
 120        /* speaker */
 121        {"Speaker", NULL, "SPOR"},
 122        {"Speaker", NULL, "SPOL"},
 123
 124        /* HP jack connectors - unknown if we have jack detect */
 125        {"Headphone Jack", NULL, "HPO Pin"},
 126
 127        /* other jacks */
 128        {"MIC1", NULL, "Mic Jack"},
 129
 130        /* digital mics */
 131        {"DMIC1 Pin", NULL, "DMIC2"},
 132        {"DMic", NULL, "SoC DMIC"},
 133
 134        {"HDMI1", NULL, "hif5-0 Output"},
 135        {"HDMI2", NULL, "hif6-0 Output"},
 136        {"HDMI2", NULL, "hif7-0 Output"},
 137
 138        /* CODEC BE connections */
 139        { "AIF1 Playback", NULL, "ssp2 Tx"},
 140        { "ssp2 Tx", NULL, "codec0_out"},
 141        { "ssp2 Tx", NULL, "codec1_out"},
 142
 143        { "codec0_in", NULL, "ssp2 Rx" },
 144        { "ssp2 Rx", NULL, "AIF1 Capture" },
 145
 146        { "dmic01_hifi", NULL, "DMIC01 Rx" },
 147        { "DMIC01 Rx", NULL, "Capture" },
 148
 149        { "hifi3", NULL, "iDisp3 Tx"},
 150        { "iDisp3 Tx", NULL, "iDisp3_out"},
 151        { "hifi2", NULL, "iDisp2 Tx"},
 152        { "iDisp2 Tx", NULL, "iDisp2_out"},
 153        { "hifi1", NULL, "iDisp1 Tx"},
 154        { "iDisp1 Tx", NULL, "iDisp1_out"},
 155};
 156
 157static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd)
 158{
 159        struct snd_soc_dapm_context *dapm;
 160        struct snd_soc_component *component = rtd->cpu_dai->component;
 161
 162        dapm = snd_soc_component_get_dapm(component);
 163        snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 164
 165        return 0;
 166}
 167
 168static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
 169{
 170        struct snd_soc_codec *codec = rtd->codec;
 171        int ret = 0;
 172
 173        ret = snd_soc_card_jack_new(rtd->card, "Headset",
 174                SND_JACK_HEADSET | SND_JACK_BTN_0,
 175                &broxton_headset,
 176                broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
 177
 178        if (ret)
 179                return ret;
 180
 181        rt298_mic_detect(codec, &broxton_headset);
 182
 183        snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 184
 185        return 0;
 186}
 187
 188static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 189{
 190        struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 191        struct snd_soc_dai *dai = rtd->codec_dai;
 192        struct bxt_hdmi_pcm *pcm;
 193
 194        pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 195        if (!pcm)
 196                return -ENOMEM;
 197
 198        pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
 199        pcm->codec_dai = dai;
 200
 201        list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 202
 203        return 0;
 204}
 205
 206static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
 207                        struct snd_pcm_hw_params *params)
 208{
 209        struct snd_interval *rate = hw_param_interval(params,
 210                                        SNDRV_PCM_HW_PARAM_RATE);
 211        struct snd_interval *channels = hw_param_interval(params,
 212                                        SNDRV_PCM_HW_PARAM_CHANNELS);
 213        struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 214
 215        /* The ADSP will covert the FE rate to 48k, stereo */
 216        rate->min = rate->max = 48000;
 217        channels->min = channels->max = 2;
 218
 219        /* set SSP5 to 24 bit */
 220        snd_mask_none(fmt);
 221        snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 222
 223        return 0;
 224}
 225
 226static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
 227        struct snd_pcm_hw_params *params)
 228{
 229        struct snd_soc_pcm_runtime *rtd = substream->private_data;
 230        struct snd_soc_dai *codec_dai = rtd->codec_dai;
 231        int ret;
 232
 233        ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
 234                                        19200000, SND_SOC_CLOCK_IN);
 235        if (ret < 0) {
 236                dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 237                return ret;
 238        }
 239
 240        return ret;
 241}
 242
 243static const struct snd_soc_ops broxton_rt298_ops = {
 244        .hw_params = broxton_rt298_hw_params,
 245};
 246
 247static const unsigned int rates[] = {
 248        48000,
 249};
 250
 251static const struct snd_pcm_hw_constraint_list constraints_rates = {
 252        .count = ARRAY_SIZE(rates),
 253        .list  = rates,
 254        .mask = 0,
 255};
 256
 257static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 258                                struct snd_pcm_hw_params *params)
 259{
 260        struct snd_interval *channels = hw_param_interval(params,
 261                                                SNDRV_PCM_HW_PARAM_CHANNELS);
 262        channels->min = channels->max = 4;
 263
 264        return 0;
 265}
 266
 267static const unsigned int channels_dmic[] = {
 268        1, 2, 3, 4,
 269};
 270
 271static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 272        .count = ARRAY_SIZE(channels_dmic),
 273        .list = channels_dmic,
 274        .mask = 0,
 275};
 276
 277static int broxton_dmic_startup(struct snd_pcm_substream *substream)
 278{
 279        struct snd_pcm_runtime *runtime = substream->runtime;
 280
 281        runtime->hw.channels_max = 4;
 282        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 283                                        &constraints_dmic_channels);
 284
 285        return snd_pcm_hw_constraint_list(substream->runtime, 0,
 286                                SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 287}
 288
 289static const struct snd_soc_ops broxton_dmic_ops = {
 290        .startup = broxton_dmic_startup,
 291};
 292
 293static const unsigned int channels[] = {
 294        2,
 295};
 296
 297static const struct snd_pcm_hw_constraint_list constraints_channels = {
 298        .count = ARRAY_SIZE(channels),
 299        .list = channels,
 300        .mask = 0,
 301};
 302
 303static int bxt_fe_startup(struct snd_pcm_substream *substream)
 304{
 305        struct snd_pcm_runtime *runtime = substream->runtime;
 306
 307        /*
 308         * on this platform for PCM device we support:
 309         *      48Khz
 310         *      stereo
 311         *      16-bit audio
 312         */
 313
 314        runtime->hw.channels_max = 2;
 315        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 316                                &constraints_channels);
 317
 318        runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 319        snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 320        snd_pcm_hw_constraint_list(runtime, 0,
 321                                SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 322
 323        return 0;
 324}
 325
 326static const struct snd_soc_ops broxton_rt286_fe_ops = {
 327        .startup = bxt_fe_startup,
 328};
 329
 330/* broxton digital audio interface glue - connects codec <--> CPU */
 331static struct snd_soc_dai_link broxton_rt298_dais[] = {
 332        /* Front End DAI links */
 333        [BXT_DPCM_AUDIO_PB] =
 334        {
 335                .name = "Bxt Audio Port",
 336                .stream_name = "Audio",
 337                .cpu_dai_name = "System Pin",
 338                .platform_name = "0000:00:0e.0",
 339                .nonatomic = 1,
 340                .dynamic = 1,
 341                .codec_name = "snd-soc-dummy",
 342                .codec_dai_name = "snd-soc-dummy-dai",
 343                .init = broxton_rt298_fe_init,
 344                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 345                .dpcm_playback = 1,
 346                .ops = &broxton_rt286_fe_ops,
 347        },
 348        [BXT_DPCM_AUDIO_CP] =
 349        {
 350                .name = "Bxt Audio Capture Port",
 351                .stream_name = "Audio Record",
 352                .cpu_dai_name = "System Pin",
 353                .platform_name = "0000:00:0e.0",
 354                .nonatomic = 1,
 355                .dynamic = 1,
 356                .codec_name = "snd-soc-dummy",
 357                .codec_dai_name = "snd-soc-dummy-dai",
 358                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 359                .dpcm_capture = 1,
 360                .ops = &broxton_rt286_fe_ops,
 361        },
 362        [BXT_DPCM_AUDIO_REF_CP] =
 363        {
 364                .name = "Bxt Audio Reference cap",
 365                .stream_name = "refcap",
 366                .cpu_dai_name = "Reference Pin",
 367                .codec_name = "snd-soc-dummy",
 368                .codec_dai_name = "snd-soc-dummy-dai",
 369                .platform_name = "0000:00:0e.0",
 370                .init = NULL,
 371                .dpcm_capture = 1,
 372                .nonatomic = 1,
 373                .dynamic = 1,
 374        },
 375        [BXT_DPCM_AUDIO_DMIC_CP] =
 376        {
 377                .name = "Bxt Audio DMIC cap",
 378                .stream_name = "dmiccap",
 379                .cpu_dai_name = "DMIC Pin",
 380                .codec_name = "snd-soc-dummy",
 381                .codec_dai_name = "snd-soc-dummy-dai",
 382                .platform_name = "0000:00:0e.0",
 383                .init = NULL,
 384                .dpcm_capture = 1,
 385                .nonatomic = 1,
 386                .dynamic = 1,
 387                .ops = &broxton_dmic_ops,
 388        },
 389        [BXT_DPCM_AUDIO_HDMI1_PB] =
 390        {
 391                .name = "Bxt HDMI Port1",
 392                .stream_name = "Hdmi1",
 393                .cpu_dai_name = "HDMI1 Pin",
 394                .codec_name = "snd-soc-dummy",
 395                .codec_dai_name = "snd-soc-dummy-dai",
 396                .platform_name = "0000:00:0e.0",
 397                .dpcm_playback = 1,
 398                .init = NULL,
 399                .nonatomic = 1,
 400                .dynamic = 1,
 401        },
 402        [BXT_DPCM_AUDIO_HDMI2_PB] =
 403        {
 404                .name = "Bxt HDMI Port2",
 405                .stream_name = "Hdmi2",
 406                .cpu_dai_name = "HDMI2 Pin",
 407                .codec_name = "snd-soc-dummy",
 408                .codec_dai_name = "snd-soc-dummy-dai",
 409                .platform_name = "0000:00:0e.0",
 410                .dpcm_playback = 1,
 411                .init = NULL,
 412                .nonatomic = 1,
 413                .dynamic = 1,
 414        },
 415        [BXT_DPCM_AUDIO_HDMI3_PB] =
 416        {
 417                .name = "Bxt HDMI Port3",
 418                .stream_name = "Hdmi3",
 419                .cpu_dai_name = "HDMI3 Pin",
 420                .codec_name = "snd-soc-dummy",
 421                .codec_dai_name = "snd-soc-dummy-dai",
 422                .platform_name = "0000:00:0e.0",
 423                .dpcm_playback = 1,
 424                .init = NULL,
 425                .nonatomic = 1,
 426                .dynamic = 1,
 427        },
 428        /* Back End DAI links */
 429        {
 430                /* SSP5 - Codec */
 431                .name = "SSP5-Codec",
 432                .id = 0,
 433                .cpu_dai_name = "SSP5 Pin",
 434                .platform_name = "0000:00:0e.0",
 435                .no_pcm = 1,
 436                .codec_name = "i2c-INT343A:00",
 437                .codec_dai_name = "rt298-aif1",
 438                .init = broxton_rt298_codec_init,
 439                .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
 440                                                SND_SOC_DAIFMT_CBS_CFS,
 441                .ignore_pmdown_time = 1,
 442                .be_hw_params_fixup = broxton_ssp5_fixup,
 443                .ops = &broxton_rt298_ops,
 444                .dpcm_playback = 1,
 445                .dpcm_capture = 1,
 446        },
 447        {
 448                .name = "dmic01",
 449                .id = 1,
 450                .cpu_dai_name = "DMIC01 Pin",
 451                .codec_name = "dmic-codec",
 452                .codec_dai_name = "dmic-hifi",
 453                .platform_name = "0000:00:0e.0",
 454                .be_hw_params_fixup = broxton_dmic_fixup,
 455                .ignore_suspend = 1,
 456                .dpcm_capture = 1,
 457                .no_pcm = 1,
 458        },
 459        {
 460                .name = "iDisp1",
 461                .id = 3,
 462                .cpu_dai_name = "iDisp1 Pin",
 463                .codec_name = "ehdaudio0D2",
 464                .codec_dai_name = "intel-hdmi-hifi1",
 465                .platform_name = "0000:00:0e.0",
 466                .init = broxton_hdmi_init,
 467                .dpcm_playback = 1,
 468                .no_pcm = 1,
 469        },
 470        {
 471                .name = "iDisp2",
 472                .id = 4,
 473                .cpu_dai_name = "iDisp2 Pin",
 474                .codec_name = "ehdaudio0D2",
 475                .codec_dai_name = "intel-hdmi-hifi2",
 476                .platform_name = "0000:00:0e.0",
 477                .init = broxton_hdmi_init,
 478                .dpcm_playback = 1,
 479                .no_pcm = 1,
 480        },
 481        {
 482                .name = "iDisp3",
 483                .id = 5,
 484                .cpu_dai_name = "iDisp3 Pin",
 485                .codec_name = "ehdaudio0D2",
 486                .codec_dai_name = "intel-hdmi-hifi3",
 487                .platform_name = "0000:00:0e.0",
 488                .init = broxton_hdmi_init,
 489                .dpcm_playback = 1,
 490                .no_pcm = 1,
 491        },
 492};
 493
 494#define NAME_SIZE       32
 495static int bxt_card_late_probe(struct snd_soc_card *card)
 496{
 497        struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
 498        struct bxt_hdmi_pcm *pcm;
 499        struct snd_soc_codec *codec = NULL;
 500        int err, i = 0;
 501        char jack_name[NAME_SIZE];
 502
 503        list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 504                codec = pcm->codec_dai->codec;
 505                snprintf(jack_name, sizeof(jack_name),
 506                        "HDMI/DP, pcm=%d Jack", pcm->device);
 507                err = snd_soc_card_jack_new(card, jack_name,
 508                                        SND_JACK_AVOUT, &broxton_hdmi[i],
 509                                        NULL, 0);
 510
 511                if (err)
 512                        return err;
 513
 514                err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 515                                                &broxton_hdmi[i]);
 516                if (err < 0)
 517                        return err;
 518
 519                i++;
 520        }
 521
 522        if (!codec)
 523                return -EINVAL;
 524
 525        return hdac_hdmi_jack_port_init(codec, &card->dapm);
 526}
 527
 528
 529/* broxton audio machine driver for SPT + RT298S */
 530static struct snd_soc_card broxton_rt298 = {
 531        .name = "broxton-rt298",
 532        .dai_link = broxton_rt298_dais,
 533        .num_links = ARRAY_SIZE(broxton_rt298_dais),
 534        .controls = broxton_controls,
 535        .num_controls = ARRAY_SIZE(broxton_controls),
 536        .dapm_widgets = broxton_widgets,
 537        .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 538        .dapm_routes = broxton_rt298_map,
 539        .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
 540        .fully_routed = true,
 541        .late_probe = bxt_card_late_probe,
 542
 543};
 544
 545static struct snd_soc_card geminilake_rt298 = {
 546        .name = "geminilake-rt298",
 547        .dai_link = broxton_rt298_dais,
 548        .num_links = ARRAY_SIZE(broxton_rt298_dais),
 549        .controls = broxton_controls,
 550        .num_controls = ARRAY_SIZE(broxton_controls),
 551        .dapm_widgets = broxton_widgets,
 552        .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 553        .dapm_routes = geminilake_rt298_map,
 554        .num_dapm_routes = ARRAY_SIZE(geminilake_rt298_map),
 555        .fully_routed = true,
 556        .late_probe = bxt_card_late_probe,
 557};
 558
 559static int broxton_audio_probe(struct platform_device *pdev)
 560{
 561        struct bxt_rt286_private *ctx;
 562        struct snd_soc_card *card =
 563                        (struct snd_soc_card *)pdev->id_entry->driver_data;
 564        int i;
 565
 566        for (i = 0; i < ARRAY_SIZE(broxton_rt298_dais); i++) {
 567                if (!strncmp(card->dai_link[i].codec_name, "i2c-INT343A:00",
 568                                                I2C_NAME_SIZE)) {
 569                        if (!strncmp(card->name, "broxton-rt298",
 570                                                PLATFORM_NAME_SIZE)) {
 571                                card->dai_link[i].name = "SSP5-Codec";
 572                                card->dai_link[i].cpu_dai_name = "SSP5 Pin";
 573                        } else if (!strncmp(card->name, "geminilake-rt298",
 574                                                PLATFORM_NAME_SIZE)) {
 575                                card->dai_link[i].name = "SSP2-Codec";
 576                                card->dai_link[i].cpu_dai_name = "SSP2 Pin";
 577                        }
 578                }
 579        }
 580
 581        ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 582        if (!ctx)
 583                return -ENOMEM;
 584
 585        INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 586
 587        card->dev = &pdev->dev;
 588        snd_soc_card_set_drvdata(card, ctx);
 589
 590        return devm_snd_soc_register_card(&pdev->dev, card);
 591}
 592
 593static const struct platform_device_id bxt_board_ids[] = {
 594        { .name = "bxt_alc298s_i2s", .driver_data =
 595                                (unsigned long)&broxton_rt298 },
 596        { .name = "glk_alc298s_i2s", .driver_data =
 597                                (unsigned long)&geminilake_rt298 },
 598        {}
 599};
 600
 601static struct platform_driver broxton_audio = {
 602        .probe = broxton_audio_probe,
 603        .driver = {
 604                .name = "bxt_alc298s_i2s",
 605                .pm = &snd_soc_pm_ops,
 606        },
 607        .id_table = bxt_board_ids,
 608};
 609module_platform_driver(broxton_audio)
 610
 611/* Module information */
 612MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
 613MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
 614MODULE_DESCRIPTION("Intel SST Audio for Broxton");
 615MODULE_LICENSE("GPL v2");
 616MODULE_ALIAS("platform:bxt_alc298s_i2s");
 617MODULE_ALIAS("platform:glk_alc298s_i2s");
 618