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};
 119
 120static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd)
 121{
 122        struct snd_soc_dapm_context *dapm;
 123        struct snd_soc_component *component = rtd->cpu_dai->component;
 124
 125        dapm = snd_soc_component_get_dapm(component);
 126        snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 127
 128        return 0;
 129}
 130
 131static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
 132{
 133        struct snd_soc_codec *codec = rtd->codec;
 134        int ret = 0;
 135
 136        ret = snd_soc_card_jack_new(rtd->card, "Headset",
 137                SND_JACK_HEADSET | SND_JACK_BTN_0,
 138                &broxton_headset,
 139                broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
 140
 141        if (ret)
 142                return ret;
 143
 144        rt298_mic_detect(codec, &broxton_headset);
 145
 146        snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 147
 148        return 0;
 149}
 150
 151static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 152{
 153        struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 154        struct snd_soc_dai *dai = rtd->codec_dai;
 155        struct bxt_hdmi_pcm *pcm;
 156
 157        pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 158        if (!pcm)
 159                return -ENOMEM;
 160
 161        pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
 162        pcm->codec_dai = dai;
 163
 164        list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 165
 166        return 0;
 167}
 168
 169static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
 170                        struct snd_pcm_hw_params *params)
 171{
 172        struct snd_interval *rate = hw_param_interval(params,
 173                                        SNDRV_PCM_HW_PARAM_RATE);
 174        struct snd_interval *channels = hw_param_interval(params,
 175                                        SNDRV_PCM_HW_PARAM_CHANNELS);
 176        struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 177
 178        /* The ADSP will covert the FE rate to 48k, stereo */
 179        rate->min = rate->max = 48000;
 180        channels->min = channels->max = 2;
 181
 182        /* set SSP5 to 24 bit */
 183        snd_mask_none(fmt);
 184        snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 185
 186        return 0;
 187}
 188
 189static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
 190        struct snd_pcm_hw_params *params)
 191{
 192        struct snd_soc_pcm_runtime *rtd = substream->private_data;
 193        struct snd_soc_dai *codec_dai = rtd->codec_dai;
 194        int ret;
 195
 196        ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
 197                                        19200000, SND_SOC_CLOCK_IN);
 198        if (ret < 0) {
 199                dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 200                return ret;
 201        }
 202
 203        return ret;
 204}
 205
 206static const struct snd_soc_ops broxton_rt298_ops = {
 207        .hw_params = broxton_rt298_hw_params,
 208};
 209
 210static const unsigned int rates[] = {
 211        48000,
 212};
 213
 214static const struct snd_pcm_hw_constraint_list constraints_rates = {
 215        .count = ARRAY_SIZE(rates),
 216        .list  = rates,
 217        .mask = 0,
 218};
 219
 220static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 221                                struct snd_pcm_hw_params *params)
 222{
 223        struct snd_interval *channels = hw_param_interval(params,
 224                                                SNDRV_PCM_HW_PARAM_CHANNELS);
 225        channels->min = channels->max = 4;
 226
 227        return 0;
 228}
 229
 230static const unsigned int channels_dmic[] = {
 231        1, 2, 3, 4,
 232};
 233
 234static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 235        .count = ARRAY_SIZE(channels_dmic),
 236        .list = channels_dmic,
 237        .mask = 0,
 238};
 239
 240static int broxton_dmic_startup(struct snd_pcm_substream *substream)
 241{
 242        struct snd_pcm_runtime *runtime = substream->runtime;
 243
 244        runtime->hw.channels_max = 4;
 245        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 246                                        &constraints_dmic_channels);
 247
 248        return snd_pcm_hw_constraint_list(substream->runtime, 0,
 249                                SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 250}
 251
 252static const struct snd_soc_ops broxton_dmic_ops = {
 253        .startup = broxton_dmic_startup,
 254};
 255
 256static const unsigned int channels[] = {
 257        2,
 258};
 259
 260static const struct snd_pcm_hw_constraint_list constraints_channels = {
 261        .count = ARRAY_SIZE(channels),
 262        .list = channels,
 263        .mask = 0,
 264};
 265
 266static int bxt_fe_startup(struct snd_pcm_substream *substream)
 267{
 268        struct snd_pcm_runtime *runtime = substream->runtime;
 269
 270        /*
 271         * on this platform for PCM device we support:
 272         *      48Khz
 273         *      stereo
 274         *      16-bit audio
 275         */
 276
 277        runtime->hw.channels_max = 2;
 278        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 279                                &constraints_channels);
 280
 281        runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 282        snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 283        snd_pcm_hw_constraint_list(runtime, 0,
 284                                SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 285
 286        return 0;
 287}
 288
 289static const struct snd_soc_ops broxton_rt286_fe_ops = {
 290        .startup = bxt_fe_startup,
 291};
 292
 293/* broxton digital audio interface glue - connects codec <--> CPU */
 294static struct snd_soc_dai_link broxton_rt298_dais[] = {
 295        /* Front End DAI links */
 296        [BXT_DPCM_AUDIO_PB] =
 297        {
 298                .name = "Bxt Audio Port",
 299                .stream_name = "Audio",
 300                .cpu_dai_name = "System Pin",
 301                .platform_name = "0000:00:0e.0",
 302                .nonatomic = 1,
 303                .dynamic = 1,
 304                .codec_name = "snd-soc-dummy",
 305                .codec_dai_name = "snd-soc-dummy-dai",
 306                .init = broxton_rt298_fe_init,
 307                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 308                .dpcm_playback = 1,
 309                .ops = &broxton_rt286_fe_ops,
 310        },
 311        [BXT_DPCM_AUDIO_CP] =
 312        {
 313                .name = "Bxt Audio Capture Port",
 314                .stream_name = "Audio Record",
 315                .cpu_dai_name = "System Pin",
 316                .platform_name = "0000:00:0e.0",
 317                .nonatomic = 1,
 318                .dynamic = 1,
 319                .codec_name = "snd-soc-dummy",
 320                .codec_dai_name = "snd-soc-dummy-dai",
 321                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 322                .dpcm_capture = 1,
 323                .ops = &broxton_rt286_fe_ops,
 324        },
 325        [BXT_DPCM_AUDIO_REF_CP] =
 326        {
 327                .name = "Bxt Audio Reference cap",
 328                .stream_name = "refcap",
 329                .cpu_dai_name = "Reference Pin",
 330                .codec_name = "snd-soc-dummy",
 331                .codec_dai_name = "snd-soc-dummy-dai",
 332                .platform_name = "0000:00:0e.0",
 333                .init = NULL,
 334                .dpcm_capture = 1,
 335                .nonatomic = 1,
 336                .dynamic = 1,
 337        },
 338        [BXT_DPCM_AUDIO_DMIC_CP] =
 339        {
 340                .name = "Bxt Audio DMIC cap",
 341                .stream_name = "dmiccap",
 342                .cpu_dai_name = "DMIC Pin",
 343                .codec_name = "snd-soc-dummy",
 344                .codec_dai_name = "snd-soc-dummy-dai",
 345                .platform_name = "0000:00:0e.0",
 346                .init = NULL,
 347                .dpcm_capture = 1,
 348                .nonatomic = 1,
 349                .dynamic = 1,
 350                .ops = &broxton_dmic_ops,
 351        },
 352        [BXT_DPCM_AUDIO_HDMI1_PB] =
 353        {
 354                .name = "Bxt HDMI Port1",
 355                .stream_name = "Hdmi1",
 356                .cpu_dai_name = "HDMI1 Pin",
 357                .codec_name = "snd-soc-dummy",
 358                .codec_dai_name = "snd-soc-dummy-dai",
 359                .platform_name = "0000:00:0e.0",
 360                .dpcm_playback = 1,
 361                .init = NULL,
 362                .nonatomic = 1,
 363                .dynamic = 1,
 364        },
 365        [BXT_DPCM_AUDIO_HDMI2_PB] =
 366        {
 367                .name = "Bxt HDMI Port2",
 368                .stream_name = "Hdmi2",
 369                .cpu_dai_name = "HDMI2 Pin",
 370                .codec_name = "snd-soc-dummy",
 371                .codec_dai_name = "snd-soc-dummy-dai",
 372                .platform_name = "0000:00:0e.0",
 373                .dpcm_playback = 1,
 374                .init = NULL,
 375                .nonatomic = 1,
 376                .dynamic = 1,
 377        },
 378        [BXT_DPCM_AUDIO_HDMI3_PB] =
 379        {
 380                .name = "Bxt HDMI Port3",
 381                .stream_name = "Hdmi3",
 382                .cpu_dai_name = "HDMI3 Pin",
 383                .codec_name = "snd-soc-dummy",
 384                .codec_dai_name = "snd-soc-dummy-dai",
 385                .platform_name = "0000:00:0e.0",
 386                .dpcm_playback = 1,
 387                .init = NULL,
 388                .nonatomic = 1,
 389                .dynamic = 1,
 390        },
 391        /* Back End DAI links */
 392        {
 393                /* SSP5 - Codec */
 394                .name = "SSP5-Codec",
 395                .id = 0,
 396                .cpu_dai_name = "SSP5 Pin",
 397                .platform_name = "0000:00:0e.0",
 398                .no_pcm = 1,
 399                .codec_name = "i2c-INT343A:00",
 400                .codec_dai_name = "rt298-aif1",
 401                .init = broxton_rt298_codec_init,
 402                .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
 403                                                SND_SOC_DAIFMT_CBS_CFS,
 404                .ignore_pmdown_time = 1,
 405                .be_hw_params_fixup = broxton_ssp5_fixup,
 406                .ops = &broxton_rt298_ops,
 407                .dpcm_playback = 1,
 408                .dpcm_capture = 1,
 409        },
 410        {
 411                .name = "dmic01",
 412                .id = 1,
 413                .cpu_dai_name = "DMIC01 Pin",
 414                .codec_name = "dmic-codec",
 415                .codec_dai_name = "dmic-hifi",
 416                .platform_name = "0000:00:0e.0",
 417                .be_hw_params_fixup = broxton_dmic_fixup,
 418                .ignore_suspend = 1,
 419                .dpcm_capture = 1,
 420                .no_pcm = 1,
 421        },
 422        {
 423                .name = "iDisp1",
 424                .id = 3,
 425                .cpu_dai_name = "iDisp1 Pin",
 426                .codec_name = "ehdaudio0D2",
 427                .codec_dai_name = "intel-hdmi-hifi1",
 428                .platform_name = "0000:00:0e.0",
 429                .init = broxton_hdmi_init,
 430                .dpcm_playback = 1,
 431                .no_pcm = 1,
 432        },
 433        {
 434                .name = "iDisp2",
 435                .id = 4,
 436                .cpu_dai_name = "iDisp2 Pin",
 437                .codec_name = "ehdaudio0D2",
 438                .codec_dai_name = "intel-hdmi-hifi2",
 439                .platform_name = "0000:00:0e.0",
 440                .init = broxton_hdmi_init,
 441                .dpcm_playback = 1,
 442                .no_pcm = 1,
 443        },
 444        {
 445                .name = "iDisp3",
 446                .id = 5,
 447                .cpu_dai_name = "iDisp3 Pin",
 448                .codec_name = "ehdaudio0D2",
 449                .codec_dai_name = "intel-hdmi-hifi3",
 450                .platform_name = "0000:00:0e.0",
 451                .init = broxton_hdmi_init,
 452                .dpcm_playback = 1,
 453                .no_pcm = 1,
 454        },
 455};
 456
 457#define NAME_SIZE       32
 458static int bxt_card_late_probe(struct snd_soc_card *card)
 459{
 460        struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
 461        struct bxt_hdmi_pcm *pcm;
 462        struct snd_soc_codec *codec = NULL;
 463        int err, i = 0;
 464        char jack_name[NAME_SIZE];
 465
 466        list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 467                codec = pcm->codec_dai->codec;
 468                snprintf(jack_name, sizeof(jack_name),
 469                        "HDMI/DP, pcm=%d Jack", pcm->device);
 470                err = snd_soc_card_jack_new(card, jack_name,
 471                                        SND_JACK_AVOUT, &broxton_hdmi[i],
 472                                        NULL, 0);
 473
 474                if (err)
 475                        return err;
 476
 477                err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 478                                                &broxton_hdmi[i]);
 479                if (err < 0)
 480                        return err;
 481
 482                i++;
 483        }
 484
 485        if (!codec)
 486                return -EINVAL;
 487
 488        return hdac_hdmi_jack_port_init(codec, &card->dapm);
 489}
 490
 491
 492/* broxton audio machine driver for SPT + RT298S */
 493static struct snd_soc_card broxton_rt298 = {
 494        .name = "broxton-rt298",
 495        .owner = THIS_MODULE,
 496        .dai_link = broxton_rt298_dais,
 497        .num_links = ARRAY_SIZE(broxton_rt298_dais),
 498        .controls = broxton_controls,
 499        .num_controls = ARRAY_SIZE(broxton_controls),
 500        .dapm_widgets = broxton_widgets,
 501        .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 502        .dapm_routes = broxton_rt298_map,
 503        .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
 504        .fully_routed = true,
 505        .late_probe = bxt_card_late_probe,
 506
 507};
 508
 509static int broxton_audio_probe(struct platform_device *pdev)
 510{
 511        struct bxt_rt286_private *ctx;
 512
 513        ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 514        if (!ctx)
 515                return -ENOMEM;
 516
 517        INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 518
 519        broxton_rt298.dev = &pdev->dev;
 520        snd_soc_card_set_drvdata(&broxton_rt298, ctx);
 521
 522        return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
 523}
 524
 525static struct platform_driver broxton_audio = {
 526        .probe = broxton_audio_probe,
 527        .driver = {
 528                .name = "bxt_alc298s_i2s",
 529                .pm = &snd_soc_pm_ops,
 530        },
 531};
 532module_platform_driver(broxton_audio)
 533
 534/* Module information */
 535MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
 536MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
 537MODULE_DESCRIPTION("Intel SST Audio for Broxton");
 538MODULE_LICENSE("GPL v2");
 539MODULE_ALIAS("platform:bxt_alc298s_i2s");
 540