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0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
0004  *
0005  * Copyright (C) 2015, Intel Corporation. All rights reserved.
0006  *
0007  * Modified from:
0008  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
0009  *
0010  *   Copyright (C) 2015, Intel Corporation. All rights reserved.
0011  */
0012 
0013 #include <linux/module.h>
0014 #include <linux/platform_device.h>
0015 #include <sound/core.h>
0016 #include <sound/pcm.h>
0017 #include <sound/soc.h>
0018 #include <sound/soc-acpi.h>
0019 #include <sound/jack.h>
0020 #include <sound/pcm_params.h>
0021 #include "../../codecs/nau8825.h"
0022 #include "../../codecs/hdac_hdmi.h"
0023 
0024 #define SKL_NUVOTON_CODEC_DAI   "nau8825-hifi"
0025 #define SKL_SSM_CODEC_DAI   "ssm4567-hifi"
0026 #define DMIC_CH(p)     p->list[p->count-1]
0027 
0028 static struct snd_soc_jack skylake_headset;
0029 static struct snd_soc_card skylake_audio_card;
0030 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
0031 static struct snd_soc_jack skylake_hdmi[3];
0032 
0033 struct skl_hdmi_pcm {
0034     struct list_head head;
0035     struct snd_soc_dai *codec_dai;
0036     int device;
0037 };
0038 
0039 struct skl_nau88125_private {
0040     struct list_head hdmi_pcm_list;
0041 };
0042 enum {
0043     SKL_DPCM_AUDIO_PB = 0,
0044     SKL_DPCM_AUDIO_CP,
0045     SKL_DPCM_AUDIO_REF_CP,
0046     SKL_DPCM_AUDIO_DMIC_CP,
0047     SKL_DPCM_AUDIO_HDMI1_PB,
0048     SKL_DPCM_AUDIO_HDMI2_PB,
0049     SKL_DPCM_AUDIO_HDMI3_PB,
0050 };
0051 
0052 static const struct snd_kcontrol_new skylake_controls[] = {
0053     SOC_DAPM_PIN_SWITCH("Headphone Jack"),
0054     SOC_DAPM_PIN_SWITCH("Headset Mic"),
0055     SOC_DAPM_PIN_SWITCH("Left Speaker"),
0056     SOC_DAPM_PIN_SWITCH("Right Speaker"),
0057 };
0058 
0059 static int platform_clock_control(struct snd_soc_dapm_widget *w,
0060         struct snd_kcontrol *k, int  event)
0061 {
0062     struct snd_soc_dapm_context *dapm = w->dapm;
0063     struct snd_soc_card *card = dapm->card;
0064     struct snd_soc_dai *codec_dai;
0065     int ret;
0066 
0067     codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
0068     if (!codec_dai) {
0069         dev_err(card->dev, "Codec dai not found\n");
0070         return -EIO;
0071     }
0072 
0073     if (SND_SOC_DAPM_EVENT_ON(event)) {
0074         ret = snd_soc_dai_set_sysclk(codec_dai,
0075                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
0076         if (ret < 0) {
0077             dev_err(card->dev, "set sysclk err = %d\n", ret);
0078             return -EIO;
0079         }
0080     } else {
0081         ret = snd_soc_dai_set_sysclk(codec_dai,
0082                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
0083         if (ret < 0) {
0084             dev_err(card->dev, "set sysclk err = %d\n", ret);
0085             return -EIO;
0086         }
0087     }
0088     return ret;
0089 }
0090 
0091 static const struct snd_soc_dapm_widget skylake_widgets[] = {
0092     SND_SOC_DAPM_HP("Headphone Jack", NULL),
0093     SND_SOC_DAPM_MIC("Headset Mic", NULL),
0094     SND_SOC_DAPM_SPK("Left Speaker", NULL),
0095     SND_SOC_DAPM_SPK("Right Speaker", NULL),
0096     SND_SOC_DAPM_MIC("SoC DMIC", NULL),
0097     SND_SOC_DAPM_SPK("DP1", NULL),
0098     SND_SOC_DAPM_SPK("DP2", NULL),
0099     SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
0100             platform_clock_control, SND_SOC_DAPM_PRE_PMU |
0101             SND_SOC_DAPM_POST_PMD),
0102 };
0103 
0104 static struct snd_soc_jack_pin jack_pins[] = {
0105     {
0106         .pin    = "Headphone Jack",
0107         .mask   = SND_JACK_HEADPHONE,
0108     },
0109     {
0110         .pin    = "Headset Mic",
0111         .mask   = SND_JACK_MICROPHONE,
0112     },
0113 };
0114 
0115 static const struct snd_soc_dapm_route skylake_map[] = {
0116     /* HP jack connectors - unknown if we have jack detection */
0117     {"Headphone Jack", NULL, "HPOL"},
0118     {"Headphone Jack", NULL, "HPOR"},
0119 
0120     /* speaker */
0121     {"Left Speaker", NULL, "Left OUT"},
0122     {"Right Speaker", NULL, "Right OUT"},
0123 
0124     /* other jacks */
0125     {"MIC", NULL, "Headset Mic"},
0126     {"DMic", NULL, "SoC DMIC"},
0127 
0128     /* CODEC BE connections */
0129     { "Left Playback", NULL, "ssp0 Tx"},
0130     { "Right Playback", NULL, "ssp0 Tx"},
0131     { "ssp0 Tx", NULL, "codec0_out"},
0132 
0133     /* IV feedback path */
0134     { "codec0_lp_in", NULL, "ssp0 Rx"},
0135     { "ssp0 Rx", NULL, "Left Capture Sense" },
0136     { "ssp0 Rx", NULL, "Right Capture Sense" },
0137 
0138     { "Playback", NULL, "ssp1 Tx"},
0139     { "ssp1 Tx", NULL, "codec1_out"},
0140 
0141     { "codec0_in", NULL, "ssp1 Rx" },
0142     { "ssp1 Rx", NULL, "Capture" },
0143 
0144     /* DMIC */
0145     { "dmic01_hifi", NULL, "DMIC01 Rx" },
0146     { "DMIC01 Rx", NULL, "DMIC AIF" },
0147 
0148     { "hifi3", NULL, "iDisp3 Tx"},
0149     { "iDisp3 Tx", NULL, "iDisp3_out"},
0150     { "hifi2", NULL, "iDisp2 Tx"},
0151     { "iDisp2 Tx", NULL, "iDisp2_out"},
0152     { "hifi1", NULL, "iDisp1 Tx"},
0153     { "iDisp1 Tx", NULL, "iDisp1_out"},
0154 
0155     { "Headphone Jack", NULL, "Platform Clock" },
0156     { "Headset Mic", NULL, "Platform Clock" },
0157 };
0158 
0159 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
0160     {
0161         .dlc = COMP_CODEC_CONF("i2c-INT343B:00"),
0162         .name_prefix = "Left",
0163     },
0164     {
0165         .dlc = COMP_CODEC_CONF("i2c-INT343B:01"),
0166         .name_prefix = "Right",
0167     },
0168 };
0169 
0170 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
0171 {
0172     int ret;
0173 
0174     /* Slot 1 for left */
0175     ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 0), 0x01, 0x01, 2, 48);
0176     if (ret < 0)
0177         return ret;
0178 
0179     /* Slot 2 for right */
0180     ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 1), 0x02, 0x02, 2, 48);
0181     if (ret < 0)
0182         return ret;
0183 
0184     return ret;
0185 }
0186 
0187 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
0188 {
0189     int ret;
0190     struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
0191 
0192     /*
0193      * 4 buttons here map to the google Reference headset
0194      * The use of these buttons can be decided by the user space.
0195      */
0196     ret = snd_soc_card_jack_new_pins(&skylake_audio_card, "Headset Jack",
0197                      SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
0198                      SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
0199                      jack_pins,
0200                      ARRAY_SIZE(jack_pins));
0201     if (ret) {
0202         dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
0203         return ret;
0204     }
0205 
0206     nau8825_enable_jack_detect(component, &skylake_headset);
0207 
0208     snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
0209 
0210     return ret;
0211 }
0212 
0213 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
0214 {
0215     struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
0216     struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
0217     struct skl_hdmi_pcm *pcm;
0218 
0219     pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
0220     if (!pcm)
0221         return -ENOMEM;
0222 
0223     pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
0224     pcm->codec_dai = dai;
0225 
0226     list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
0227 
0228     return 0;
0229 }
0230 
0231 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
0232 {
0233     struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
0234     struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
0235     struct skl_hdmi_pcm *pcm;
0236 
0237     pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
0238     if (!pcm)
0239         return -ENOMEM;
0240 
0241     pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
0242     pcm->codec_dai = dai;
0243 
0244     list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
0245 
0246     return 0;
0247 }
0248 
0249 
0250 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
0251 {
0252     struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
0253     struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
0254     struct skl_hdmi_pcm *pcm;
0255 
0256     pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
0257     if (!pcm)
0258         return -ENOMEM;
0259 
0260     pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
0261     pcm->codec_dai = dai;
0262 
0263     list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
0264 
0265     return 0;
0266 }
0267 
0268 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
0269 {
0270     struct snd_soc_dapm_context *dapm;
0271     struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
0272 
0273     dapm = snd_soc_component_get_dapm(component);
0274     snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
0275 
0276     return 0;
0277 }
0278 
0279 static const unsigned int rates[] = {
0280     48000,
0281 };
0282 
0283 static const struct snd_pcm_hw_constraint_list constraints_rates = {
0284     .count = ARRAY_SIZE(rates),
0285     .list  = rates,
0286     .mask = 0,
0287 };
0288 
0289 static const unsigned int channels[] = {
0290     2,
0291 };
0292 
0293 static const struct snd_pcm_hw_constraint_list constraints_channels = {
0294     .count = ARRAY_SIZE(channels),
0295     .list = channels,
0296     .mask = 0,
0297 };
0298 
0299 static int skl_fe_startup(struct snd_pcm_substream *substream)
0300 {
0301     struct snd_pcm_runtime *runtime = substream->runtime;
0302 
0303     /*
0304      * on this platform for PCM device we support,
0305      *  48Khz
0306      *  stereo
0307      *  16 bit audio
0308      */
0309 
0310     runtime->hw.channels_max = 2;
0311     snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
0312                        &constraints_channels);
0313 
0314     runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
0315     snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
0316 
0317     snd_pcm_hw_constraint_list(runtime, 0,
0318                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
0319 
0320     return 0;
0321 }
0322 
0323 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
0324     .startup = skl_fe_startup,
0325 };
0326 
0327 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
0328             struct snd_pcm_hw_params *params)
0329 {
0330     struct snd_interval *rate = hw_param_interval(params,
0331             SNDRV_PCM_HW_PARAM_RATE);
0332     struct snd_interval *chan = hw_param_interval(params,
0333                         SNDRV_PCM_HW_PARAM_CHANNELS);
0334     struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
0335 
0336     /* The ADSP will covert the FE rate to 48k, stereo */
0337     rate->min = rate->max = 48000;
0338     chan->min = chan->max = 2;
0339 
0340     /* set SSP0 to 24 bit */
0341     snd_mask_none(fmt);
0342     snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
0343     return 0;
0344 }
0345 
0346 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
0347             struct snd_pcm_hw_params *params)
0348 {
0349     struct snd_interval *chan = hw_param_interval(params,
0350                         SNDRV_PCM_HW_PARAM_CHANNELS);
0351     if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
0352         chan->min = chan->max = 2;
0353     else
0354         chan->min = chan->max = 4;
0355 
0356     return 0;
0357 }
0358 
0359 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
0360     struct snd_pcm_hw_params *params)
0361 {
0362     struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
0363     struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
0364     int ret;
0365 
0366     ret = snd_soc_dai_set_sysclk(codec_dai,
0367             NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
0368 
0369     if (ret < 0)
0370         dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
0371 
0372     return ret;
0373 }
0374 
0375 static const struct snd_soc_ops skylake_nau8825_ops = {
0376     .hw_params = skylake_nau8825_hw_params,
0377 };
0378 
0379 static const unsigned int channels_dmic[] = {
0380     2, 4,
0381 };
0382 
0383 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
0384     .count = ARRAY_SIZE(channels_dmic),
0385     .list = channels_dmic,
0386     .mask = 0,
0387 };
0388 
0389 static const unsigned int dmic_2ch[] = {
0390     2,
0391 };
0392 
0393 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
0394     .count = ARRAY_SIZE(dmic_2ch),
0395     .list = dmic_2ch,
0396     .mask = 0,
0397 };
0398 
0399 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
0400 {
0401     struct snd_pcm_runtime *runtime = substream->runtime;
0402 
0403     runtime->hw.channels_max = DMIC_CH(dmic_constraints);
0404     snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
0405             dmic_constraints);
0406 
0407     return snd_pcm_hw_constraint_list(substream->runtime, 0,
0408             SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
0409 }
0410 
0411 static const struct snd_soc_ops skylake_dmic_ops = {
0412     .startup = skylake_dmic_startup,
0413 };
0414 
0415 static const unsigned int rates_16000[] = {
0416     16000,
0417 };
0418 
0419 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
0420     .count = ARRAY_SIZE(rates_16000),
0421     .list  = rates_16000,
0422 };
0423 
0424 static const unsigned int ch_mono[] = {
0425     1,
0426 };
0427 
0428 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
0429     .count = ARRAY_SIZE(ch_mono),
0430     .list  = ch_mono,
0431 };
0432 
0433 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
0434 {
0435     substream->runtime->hw.channels_max = 1;
0436     snd_pcm_hw_constraint_list(substream->runtime, 0,
0437                     SNDRV_PCM_HW_PARAM_CHANNELS,
0438                     &constraints_refcap);
0439 
0440     return snd_pcm_hw_constraint_list(substream->runtime, 0,
0441             SNDRV_PCM_HW_PARAM_RATE,
0442             &constraints_16000);
0443 }
0444 
0445 static const struct snd_soc_ops skylake_refcap_ops = {
0446     .startup = skylake_refcap_startup,
0447 };
0448 
0449 SND_SOC_DAILINK_DEF(dummy,
0450     DAILINK_COMP_ARRAY(COMP_DUMMY()));
0451 
0452 SND_SOC_DAILINK_DEF(system,
0453     DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
0454 
0455 SND_SOC_DAILINK_DEF(reference,
0456     DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
0457 
0458 SND_SOC_DAILINK_DEF(dmic,
0459     DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
0460 
0461 SND_SOC_DAILINK_DEF(hdmi1,
0462     DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
0463 
0464 SND_SOC_DAILINK_DEF(hdmi2,
0465     DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
0466 
0467 SND_SOC_DAILINK_DEF(hdmi3,
0468     DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
0469 
0470 SND_SOC_DAILINK_DEF(ssp0_pin,
0471     DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
0472 SND_SOC_DAILINK_DEF(ssp0_codec,
0473     DAILINK_COMP_ARRAY(
0474     /* Left */  COMP_CODEC("i2c-INT343B:00", SKL_SSM_CODEC_DAI),
0475     /* Right */ COMP_CODEC("i2c-INT343B:01", SKL_SSM_CODEC_DAI)));
0476 
0477 SND_SOC_DAILINK_DEF(ssp1_pin,
0478     DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
0479 SND_SOC_DAILINK_DEF(ssp1_codec,
0480     DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", SKL_NUVOTON_CODEC_DAI)));
0481 
0482 SND_SOC_DAILINK_DEF(dmic01_pin,
0483     DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
0484 SND_SOC_DAILINK_DEF(dmic_codec,
0485     DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
0486 
0487 SND_SOC_DAILINK_DEF(idisp1_pin,
0488     DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
0489 SND_SOC_DAILINK_DEF(idisp1_codec,
0490     DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
0491 
0492 SND_SOC_DAILINK_DEF(idisp2_pin,
0493     DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
0494 SND_SOC_DAILINK_DEF(idisp2_codec,
0495     DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
0496 
0497 SND_SOC_DAILINK_DEF(idisp3_pin,
0498     DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
0499 SND_SOC_DAILINK_DEF(idisp3_codec,
0500     DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
0501 
0502 SND_SOC_DAILINK_DEF(platform,
0503     DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
0504 
0505 /* skylake digital audio interface glue - connects codec <--> CPU */
0506 static struct snd_soc_dai_link skylake_dais[] = {
0507     /* Front End DAI links */
0508     [SKL_DPCM_AUDIO_PB] = {
0509         .name = "Skl Audio Port",
0510         .stream_name = "Audio",
0511         .dynamic = 1,
0512         .nonatomic = 1,
0513         .init = skylake_nau8825_fe_init,
0514         .trigger = {
0515             SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0516         .dpcm_playback = 1,
0517         .ops = &skylake_nau8825_fe_ops,
0518         SND_SOC_DAILINK_REG(system, dummy, platform),
0519     },
0520     [SKL_DPCM_AUDIO_CP] = {
0521         .name = "Skl Audio Capture Port",
0522         .stream_name = "Audio Record",
0523         .dynamic = 1,
0524         .nonatomic = 1,
0525         .trigger = {
0526             SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0527         .dpcm_capture = 1,
0528         .ops = &skylake_nau8825_fe_ops,
0529         SND_SOC_DAILINK_REG(system, dummy, platform),
0530     },
0531     [SKL_DPCM_AUDIO_REF_CP] = {
0532         .name = "Skl Audio Reference cap",
0533         .stream_name = "Wake on Voice",
0534         .init = NULL,
0535         .dpcm_capture = 1,
0536         .nonatomic = 1,
0537         .dynamic = 1,
0538         .ops = &skylake_refcap_ops,
0539         SND_SOC_DAILINK_REG(reference, dummy, platform),
0540     },
0541     [SKL_DPCM_AUDIO_DMIC_CP] = {
0542         .name = "Skl Audio DMIC cap",
0543         .stream_name = "dmiccap",
0544         .init = NULL,
0545         .dpcm_capture = 1,
0546         .nonatomic = 1,
0547         .dynamic = 1,
0548         .ops = &skylake_dmic_ops,
0549         SND_SOC_DAILINK_REG(dmic, dummy, platform),
0550     },
0551     [SKL_DPCM_AUDIO_HDMI1_PB] = {
0552         .name = "Skl HDMI Port1",
0553         .stream_name = "Hdmi1",
0554         .dpcm_playback = 1,
0555         .init = NULL,
0556         .trigger = {
0557             SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0558         .nonatomic = 1,
0559         .dynamic = 1,
0560         SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
0561     },
0562     [SKL_DPCM_AUDIO_HDMI2_PB] = {
0563         .name = "Skl HDMI Port2",
0564         .stream_name = "Hdmi2",
0565         .dpcm_playback = 1,
0566         .init = NULL,
0567         .trigger = {
0568             SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0569         .nonatomic = 1,
0570         .dynamic = 1,
0571         SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
0572     },
0573     [SKL_DPCM_AUDIO_HDMI3_PB] = {
0574         .name = "Skl HDMI Port3",
0575         .stream_name = "Hdmi3",
0576         .trigger = {
0577             SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0578         .dpcm_playback = 1,
0579         .init = NULL,
0580         .nonatomic = 1,
0581         .dynamic = 1,
0582         SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
0583     },
0584 
0585     /* Back End DAI links */
0586     {
0587         /* SSP0 - Codec */
0588         .name = "SSP0-Codec",
0589         .id = 0,
0590         .no_pcm = 1,
0591         .dai_fmt = SND_SOC_DAIFMT_DSP_A |
0592             SND_SOC_DAIFMT_IB_NF |
0593             SND_SOC_DAIFMT_CBC_CFC,
0594         .init = skylake_ssm4567_codec_init,
0595         .ignore_pmdown_time = 1,
0596         .be_hw_params_fixup = skylake_ssp_fixup,
0597         .dpcm_playback = 1,
0598         .dpcm_capture = 1,
0599         SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
0600     },
0601     {
0602         /* SSP1 - Codec */
0603         .name = "SSP1-Codec",
0604         .id = 1,
0605         .no_pcm = 1,
0606         .init = skylake_nau8825_codec_init,
0607         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
0608             SND_SOC_DAIFMT_CBC_CFC,
0609         .ignore_pmdown_time = 1,
0610         .be_hw_params_fixup = skylake_ssp_fixup,
0611         .ops = &skylake_nau8825_ops,
0612         .dpcm_playback = 1,
0613         .dpcm_capture = 1,
0614         SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
0615     },
0616     {
0617         .name = "dmic01",
0618         .id = 2,
0619         .ignore_suspend = 1,
0620         .be_hw_params_fixup = skylake_dmic_fixup,
0621         .dpcm_capture = 1,
0622         .no_pcm = 1,
0623         SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
0624     },
0625     {
0626         .name = "iDisp1",
0627         .id = 3,
0628         .dpcm_playback = 1,
0629         .init = skylake_hdmi1_init,
0630         .no_pcm = 1,
0631         SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
0632     },
0633     {
0634         .name = "iDisp2",
0635         .id = 4,
0636         .init = skylake_hdmi2_init,
0637         .dpcm_playback = 1,
0638         .no_pcm = 1,
0639         SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
0640     },
0641     {
0642         .name = "iDisp3",
0643         .id = 5,
0644         .init = skylake_hdmi3_init,
0645         .dpcm_playback = 1,
0646         .no_pcm = 1,
0647         SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
0648     },
0649 };
0650 
0651 #define NAME_SIZE   32
0652 static int skylake_card_late_probe(struct snd_soc_card *card)
0653 {
0654     struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(card);
0655     struct skl_hdmi_pcm *pcm;
0656     struct snd_soc_component *component = NULL;
0657     int err, i = 0;
0658     char jack_name[NAME_SIZE];
0659 
0660     list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
0661         component = pcm->codec_dai->component;
0662         snprintf(jack_name, sizeof(jack_name),
0663             "HDMI/DP, pcm=%d Jack", pcm->device);
0664         err = snd_soc_card_jack_new(card, jack_name,
0665                     SND_JACK_AVOUT,
0666                     &skylake_hdmi[i]);
0667 
0668         if (err)
0669             return err;
0670 
0671         err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
0672                         &skylake_hdmi[i]);
0673         if (err < 0)
0674             return err;
0675 
0676         i++;
0677     }
0678 
0679     if (!component)
0680         return -EINVAL;
0681 
0682     return hdac_hdmi_jack_port_init(component, &card->dapm);
0683 }
0684 
0685 /* skylake audio machine driver for SPT + NAU88L25 */
0686 static struct snd_soc_card skylake_audio_card = {
0687     .name = "sklnau8825adi",
0688     .owner = THIS_MODULE,
0689     .dai_link = skylake_dais,
0690     .num_links = ARRAY_SIZE(skylake_dais),
0691     .controls = skylake_controls,
0692     .num_controls = ARRAY_SIZE(skylake_controls),
0693     .dapm_widgets = skylake_widgets,
0694     .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
0695     .dapm_routes = skylake_map,
0696     .num_dapm_routes = ARRAY_SIZE(skylake_map),
0697     .codec_conf = ssm4567_codec_conf,
0698     .num_configs = ARRAY_SIZE(ssm4567_codec_conf),
0699     .fully_routed = true,
0700     .disable_route_checks = true,
0701     .late_probe = skylake_card_late_probe,
0702 };
0703 
0704 static int skylake_audio_probe(struct platform_device *pdev)
0705 {
0706     struct skl_nau88125_private *ctx;
0707     struct snd_soc_acpi_mach *mach;
0708 
0709     ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
0710     if (!ctx)
0711         return -ENOMEM;
0712 
0713     INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
0714 
0715     skylake_audio_card.dev = &pdev->dev;
0716     snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
0717 
0718     mach = pdev->dev.platform_data;
0719     if (mach)
0720         dmic_constraints = mach->mach_params.dmic_num == 2 ?
0721             &constraints_dmic_2ch : &constraints_dmic_channels;
0722 
0723     return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
0724 }
0725 
0726 static const struct platform_device_id skl_board_ids[] = {
0727     { .name = "skl_n88l25_s4567" },
0728     { .name = "kbl_n88l25_s4567" },
0729     { }
0730 };
0731 MODULE_DEVICE_TABLE(platform, skl_board_ids);
0732 
0733 static struct platform_driver skylake_audio = {
0734     .probe = skylake_audio_probe,
0735     .driver = {
0736         .name = "skl_n88l25_s4567",
0737         .pm = &snd_soc_pm_ops,
0738     },
0739     .id_table = skl_board_ids,
0740 };
0741 
0742 module_platform_driver(skylake_audio)
0743 
0744 /* Module information */
0745 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
0746 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
0747 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
0748 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
0749 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
0750 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
0751 MODULE_LICENSE("GPL v2");
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