532 lines
13 KiB
C
532 lines
13 KiB
C
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/*
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* Intel Skylake I2S Machine Driver
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*
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* Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
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*
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* Modified from:
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* Intel Broadwell Wildcatpoint SST Audio
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*
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* Copyright (C) 2013, Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#include <sound/pcm_params.h>
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#include "../../codecs/rt286.h"
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#include "../../codecs/hdac_hdmi.h"
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static struct snd_soc_jack skylake_headset;
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struct skl_hdmi_pcm {
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struct list_head head;
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struct snd_soc_dai *codec_dai;
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int device;
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};
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struct skl_rt286_private {
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struct list_head hdmi_pcm_list;
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};
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enum {
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SKL_DPCM_AUDIO_PB = 0,
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SKL_DPCM_AUDIO_CP,
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SKL_DPCM_AUDIO_REF_CP,
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SKL_DPCM_AUDIO_DMIC_CP,
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SKL_DPCM_AUDIO_HDMI1_PB,
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SKL_DPCM_AUDIO_HDMI2_PB,
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SKL_DPCM_AUDIO_HDMI3_PB,
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};
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/* Headset jack detection DAPM pins */
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static struct snd_soc_jack_pin skylake_headset_pins[] = {
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{
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.pin = "Mic Jack",
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.mask = SND_JACK_MICROPHONE,
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},
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{
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.pin = "Headphone Jack",
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.mask = SND_JACK_HEADPHONE,
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},
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};
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static const struct snd_kcontrol_new skylake_controls[] = {
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SOC_DAPM_PIN_SWITCH("Speaker"),
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SOC_DAPM_PIN_SWITCH("Headphone Jack"),
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SOC_DAPM_PIN_SWITCH("Mic Jack"),
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};
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static const struct snd_soc_dapm_widget skylake_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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SND_SOC_DAPM_MIC("DMIC2", NULL),
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SND_SOC_DAPM_MIC("SoC DMIC", NULL),
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SND_SOC_DAPM_SPK("HDMI1", NULL),
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SND_SOC_DAPM_SPK("HDMI2", NULL),
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SND_SOC_DAPM_SPK("HDMI3", NULL),
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};
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static const struct snd_soc_dapm_route skylake_rt286_map[] = {
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/* speaker */
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{"Speaker", NULL, "SPOR"},
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{"Speaker", NULL, "SPOL"},
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/* HP jack connectors - unknown if we have jack deteck */
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{"Headphone Jack", NULL, "HPO Pin"},
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/* other jacks */
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{"MIC1", NULL, "Mic Jack"},
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/* digital mics */
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{"DMIC1 Pin", NULL, "DMIC2"},
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{"DMic", NULL, "SoC DMIC"},
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{"HDMI1", NULL, "hif5 Output"},
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{"HDMI2", NULL, "hif6 Output"},
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{"HDMI3", NULL, "hif7 Output"},
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/* CODEC BE connections */
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{ "AIF1 Playback", NULL, "ssp0 Tx"},
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{ "ssp0 Tx", NULL, "codec0_out"},
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{ "ssp0 Tx", NULL, "codec1_out"},
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{ "codec0_in", NULL, "ssp0 Rx" },
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{ "codec1_in", NULL, "ssp0 Rx" },
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{ "ssp0 Rx", NULL, "AIF1 Capture" },
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{ "dmic01_hifi", NULL, "DMIC01 Rx" },
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{ "DMIC01 Rx", NULL, "DMIC AIF" },
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{ "hifi3", NULL, "iDisp3 Tx"},
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{ "iDisp3 Tx", NULL, "iDisp3_out"},
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{ "hifi2", NULL, "iDisp2 Tx"},
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{ "iDisp2 Tx", NULL, "iDisp2_out"},
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{ "hifi1", NULL, "iDisp1 Tx"},
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{ "iDisp1 Tx", NULL, "iDisp1_out"},
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};
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static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_dapm_context *dapm;
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struct snd_soc_component *component = rtd->cpu_dai->component;
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dapm = snd_soc_component_get_dapm(component);
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snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
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return 0;
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}
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static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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int ret;
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ret = snd_soc_card_jack_new(rtd->card, "Headset",
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SND_JACK_HEADSET | SND_JACK_BTN_0,
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&skylake_headset,
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skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
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if (ret)
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return ret;
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rt286_mic_detect(codec, &skylake_headset);
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snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
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return 0;
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}
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static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_dai *dai = rtd->codec_dai;
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struct skl_hdmi_pcm *pcm;
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pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
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if (!pcm)
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return -ENOMEM;
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pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
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pcm->codec_dai = dai;
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list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
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return 0;
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}
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static unsigned int rates[] = {
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48000,
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};
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static struct snd_pcm_hw_constraint_list constraints_rates = {
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.count = ARRAY_SIZE(rates),
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.list = rates,
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.mask = 0,
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};
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static unsigned int channels[] = {
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2,
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};
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static struct snd_pcm_hw_constraint_list constraints_channels = {
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.count = ARRAY_SIZE(channels),
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.list = channels,
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.mask = 0,
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};
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static int skl_fe_startup(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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/*
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* on this platform for PCM device we support,
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* 48Khz
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* stereo
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* 16 bit audio
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*/
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runtime->hw.channels_max = 2;
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
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&constraints_channels);
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runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
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snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
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snd_pcm_hw_constraint_list(runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
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return 0;
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}
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static const struct snd_soc_ops skylake_rt286_fe_ops = {
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.startup = skl_fe_startup,
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};
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static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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struct snd_interval *rate = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_RATE);
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struct snd_interval *channels = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_CHANNELS);
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struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
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/* The output is 48KHz, stereo, 16bits */
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rate->min = rate->max = 48000;
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channels->min = channels->max = 2;
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/* set SSP0 to 24 bit */
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snd_mask_none(fmt);
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snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
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return 0;
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}
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static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
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SND_SOC_CLOCK_IN);
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if (ret < 0)
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dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
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return ret;
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}
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static struct snd_soc_ops skylake_rt286_ops = {
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.hw_params = skylake_rt286_hw_params,
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};
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static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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struct snd_interval *channels = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_CHANNELS);
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if (params_channels(params) == 2)
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channels->min = channels->max = 2;
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else
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channels->min = channels->max = 4;
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return 0;
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}
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static unsigned int channels_dmic[] = {
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2, 4,
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};
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static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
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.count = ARRAY_SIZE(channels_dmic),
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.list = channels_dmic,
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.mask = 0,
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};
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static int skylake_dmic_startup(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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runtime->hw.channels_max = 4;
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
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&constraints_dmic_channels);
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return snd_pcm_hw_constraint_list(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
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}
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static struct snd_soc_ops skylake_dmic_ops = {
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.startup = skylake_dmic_startup,
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};
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/* skylake digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link skylake_rt286_dais[] = {
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/* Front End DAI links */
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[SKL_DPCM_AUDIO_PB] = {
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.name = "Skl Audio Port",
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.stream_name = "Audio",
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.cpu_dai_name = "System Pin",
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.platform_name = "0000:00:1f.3",
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.nonatomic = 1,
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.init = skylake_rt286_fe_init,
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dpcm_playback = 1,
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.ops = &skylake_rt286_fe_ops,
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},
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[SKL_DPCM_AUDIO_CP] = {
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.name = "Skl Audio Capture Port",
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.stream_name = "Audio Record",
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.cpu_dai_name = "System Pin",
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.platform_name = "0000:00:1f.3",
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.nonatomic = 1,
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dpcm_capture = 1,
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.ops = &skylake_rt286_fe_ops,
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},
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[SKL_DPCM_AUDIO_REF_CP] = {
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.name = "Skl Audio Reference cap",
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.stream_name = "refcap",
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.cpu_dai_name = "Reference Pin",
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.platform_name = "0000:00:1f.3",
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.init = NULL,
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.dpcm_capture = 1,
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.nonatomic = 1,
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.dynamic = 1,
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},
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[SKL_DPCM_AUDIO_DMIC_CP] = {
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.name = "Skl Audio DMIC cap",
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.stream_name = "dmiccap",
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.cpu_dai_name = "DMIC Pin",
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.platform_name = "0000:00:1f.3",
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.init = NULL,
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.dpcm_capture = 1,
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.nonatomic = 1,
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.dynamic = 1,
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.ops = &skylake_dmic_ops,
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},
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[SKL_DPCM_AUDIO_HDMI1_PB] = {
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.name = "Skl HDMI Port1",
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.stream_name = "Hdmi1",
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.cpu_dai_name = "HDMI1 Pin",
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.codec_name = "snd-soc-dummy",
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||
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|
.codec_dai_name = "snd-soc-dummy-dai",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.init = NULL,
|
||
|
|
.nonatomic = 1,
|
||
|
|
.dynamic = 1,
|
||
|
|
},
|
||
|
|
[SKL_DPCM_AUDIO_HDMI2_PB] = {
|
||
|
|
.name = "Skl HDMI Port2",
|
||
|
|
.stream_name = "Hdmi2",
|
||
|
|
.cpu_dai_name = "HDMI2 Pin",
|
||
|
|
.codec_name = "snd-soc-dummy",
|
||
|
|
.codec_dai_name = "snd-soc-dummy-dai",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.init = NULL,
|
||
|
|
.nonatomic = 1,
|
||
|
|
.dynamic = 1,
|
||
|
|
},
|
||
|
|
[SKL_DPCM_AUDIO_HDMI3_PB] = {
|
||
|
|
.name = "Skl HDMI Port3",
|
||
|
|
.stream_name = "Hdmi3",
|
||
|
|
.cpu_dai_name = "HDMI3 Pin",
|
||
|
|
.codec_name = "snd-soc-dummy",
|
||
|
|
.codec_dai_name = "snd-soc-dummy-dai",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.init = NULL,
|
||
|
|
.nonatomic = 1,
|
||
|
|
.dynamic = 1,
|
||
|
|
},
|
||
|
|
|
||
|
|
/* Back End DAI links */
|
||
|
|
{
|
||
|
|
/* SSP0 - Codec */
|
||
|
|
.name = "SSP0-Codec",
|
||
|
|
.id = 0,
|
||
|
|
.cpu_dai_name = "SSP0 Pin",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.no_pcm = 1,
|
||
|
|
.codec_name = "i2c-INT343A:00",
|
||
|
|
.codec_dai_name = "rt286-aif1",
|
||
|
|
.init = skylake_rt286_codec_init,
|
||
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S |
|
||
|
|
SND_SOC_DAIFMT_NB_NF |
|
||
|
|
SND_SOC_DAIFMT_CBS_CFS,
|
||
|
|
.ignore_pmdown_time = 1,
|
||
|
|
.be_hw_params_fixup = skylake_ssp0_fixup,
|
||
|
|
.ops = &skylake_rt286_ops,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.dpcm_capture = 1,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "dmic01",
|
||
|
|
.id = 1,
|
||
|
|
.cpu_dai_name = "DMIC01 Pin",
|
||
|
|
.codec_name = "dmic-codec",
|
||
|
|
.codec_dai_name = "dmic-hifi",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.be_hw_params_fixup = skylake_dmic_fixup,
|
||
|
|
.ignore_suspend = 1,
|
||
|
|
.dpcm_capture = 1,
|
||
|
|
.no_pcm = 1,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "iDisp1",
|
||
|
|
.id = 2,
|
||
|
|
.cpu_dai_name = "iDisp1 Pin",
|
||
|
|
.codec_name = "ehdaudio0D2",
|
||
|
|
.codec_dai_name = "intel-hdmi-hifi1",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.init = skylake_hdmi_init,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.no_pcm = 1,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "iDisp2",
|
||
|
|
.id = 3,
|
||
|
|
.cpu_dai_name = "iDisp2 Pin",
|
||
|
|
.codec_name = "ehdaudio0D2",
|
||
|
|
.codec_dai_name = "intel-hdmi-hifi2",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.init = skylake_hdmi_init,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.no_pcm = 1,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "iDisp3",
|
||
|
|
.id = 4,
|
||
|
|
.cpu_dai_name = "iDisp3 Pin",
|
||
|
|
.codec_name = "ehdaudio0D2",
|
||
|
|
.codec_dai_name = "intel-hdmi-hifi3",
|
||
|
|
.platform_name = "0000:00:1f.3",
|
||
|
|
.init = skylake_hdmi_init,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.no_pcm = 1,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int skylake_card_late_probe(struct snd_soc_card *card)
|
||
|
|
{
|
||
|
|
struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
|
||
|
|
struct skl_hdmi_pcm *pcm;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
|
||
|
|
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
|
||
|
|
if (err < 0)
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* skylake audio machine driver for SPT + RT286S */
|
||
|
|
static struct snd_soc_card skylake_rt286 = {
|
||
|
|
.name = "skylake-rt286",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.dai_link = skylake_rt286_dais,
|
||
|
|
.num_links = ARRAY_SIZE(skylake_rt286_dais),
|
||
|
|
.controls = skylake_controls,
|
||
|
|
.num_controls = ARRAY_SIZE(skylake_controls),
|
||
|
|
.dapm_widgets = skylake_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
|
||
|
|
.dapm_routes = skylake_rt286_map,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
|
||
|
|
.fully_routed = true,
|
||
|
|
.late_probe = skylake_card_late_probe,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int skylake_audio_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct skl_rt286_private *ctx;
|
||
|
|
|
||
|
|
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
|
||
|
|
if (!ctx)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
|
||
|
|
|
||
|
|
skylake_rt286.dev = &pdev->dev;
|
||
|
|
snd_soc_card_set_drvdata(&skylake_rt286, ctx);
|
||
|
|
|
||
|
|
return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct platform_device_id skl_board_ids[] = {
|
||
|
|
{ .name = "skl_alc286s_i2s" },
|
||
|
|
{ .name = "kbl_alc286s_i2s" },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_driver skylake_audio = {
|
||
|
|
.probe = skylake_audio_probe,
|
||
|
|
.driver = {
|
||
|
|
.name = "skl_alc286s_i2s",
|
||
|
|
.pm = &snd_soc_pm_ops,
|
||
|
|
},
|
||
|
|
.id_table = skl_board_ids,
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(skylake_audio)
|
||
|
|
|
||
|
|
/* Module information */
|
||
|
|
MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
|
||
|
|
MODULE_DESCRIPTION("Intel SST Audio for Skylake");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_ALIAS("platform:skl_alc286s_i2s");
|
||
|
|
MODULE_ALIAS("platform:kbl_alc286s_i2s");
|