694 lines
17 KiB
C
694 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Intel Skylake I2S Machine Driver with MAXIM98357A
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* and NAU88L25
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*
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* Copyright (C) 2015, Intel Corporation. All rights reserved.
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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/jack.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include "../../codecs/nau8825.h"
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#include "../../codecs/hdac_hdmi.h"
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#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
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#define SKL_MAXIM_CODEC_DAI "HiFi"
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#define DMIC_CH(p) p->list[p->count-1]
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static struct snd_soc_jack skylake_headset;
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static struct snd_soc_card skylake_audio_card;
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static const struct snd_pcm_hw_constraint_list *dmic_constraints;
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static struct snd_soc_jack skylake_hdmi[3];
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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_nau8825_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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static int platform_clock_control(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *k, int event)
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{
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struct snd_soc_dapm_context *dapm = w->dapm;
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struct snd_soc_card *card = dapm->card;
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struct snd_soc_dai *codec_dai;
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int ret;
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codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
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if (!codec_dai) {
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dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
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return -EIO;
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}
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if (SND_SOC_DAPM_EVENT_ON(event)) {
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ret = snd_soc_dai_set_sysclk(codec_dai,
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NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(card->dev, "set sysclk err = %d\n", ret);
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return -EIO;
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}
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} else {
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ret = snd_soc_dai_set_sysclk(codec_dai,
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NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(card->dev, "set sysclk err = %d\n", ret);
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return -EIO;
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}
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}
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return ret;
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}
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static const struct snd_kcontrol_new skylake_controls[] = {
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SOC_DAPM_PIN_SWITCH("Headphone Jack"),
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SOC_DAPM_PIN_SWITCH("Headset Mic"),
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SOC_DAPM_PIN_SWITCH("Spk"),
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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_MIC("Headset Mic", NULL),
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SND_SOC_DAPM_SPK("Spk", NULL),
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SND_SOC_DAPM_MIC("SoC DMIC", NULL),
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SND_SOC_DAPM_SPK("DP1", NULL),
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SND_SOC_DAPM_SPK("DP2", NULL),
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SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
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platform_clock_control, SND_SOC_DAPM_PRE_PMU |
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SND_SOC_DAPM_POST_PMD),
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};
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static const struct snd_soc_dapm_route skylake_map[] = {
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/* HP jack connectors - unknown if we have jack detection */
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{ "Headphone Jack", NULL, "HPOL" },
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{ "Headphone Jack", NULL, "HPOR" },
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/* speaker */
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{ "Spk", NULL, "Speaker" },
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/* other jacks */
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{ "MIC", NULL, "Headset Mic" },
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{ "DMic", NULL, "SoC DMIC" },
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/* CODEC BE connections */
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{ "HiFi Playback", NULL, "ssp0 Tx" },
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{ "ssp0 Tx", NULL, "codec0_out" },
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{ "Playback", NULL, "ssp1 Tx" },
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{ "ssp1 Tx", NULL, "codec1_out" },
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{ "codec0_in", NULL, "ssp1 Rx" },
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{ "ssp1 Rx", NULL, "Capture" },
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/* DMIC */
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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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{ "Headphone Jack", NULL, "Platform Clock" },
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{ "Headset Mic", NULL, "Platform Clock" },
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};
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static int skylake_ssp_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 ADSP will covert the FE rate to 48k, stereo */
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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_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
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return 0;
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}
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static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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int ret;
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struct snd_soc_component *component = rtd->codec_dai->component;
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/*
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* Headset buttons map to the google Reference headset.
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* These can be configured by userspace.
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*/
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ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
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SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
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SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
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NULL, 0);
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if (ret) {
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dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
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return ret;
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}
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nau8825_enable_jack_detect(component, &skylake_headset);
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snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
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return ret;
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}
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static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct skl_nau8825_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;
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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 int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct skl_nau8825_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_HDMI2_PB;
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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 int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct skl_nau8825_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_HDMI3_PB;
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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 int skylake_nau8825_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 const unsigned int rates[] = {
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48000,
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};
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static const 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 const unsigned int channels[] = {
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2,
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};
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static const 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_nau8825_fe_ops = {
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.startup = skl_fe_startup,
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};
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static int skylake_nau8825_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,
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NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
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if (ret < 0)
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dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
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return ret;
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}
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static const struct snd_soc_ops skylake_nau8825_ops = {
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.hw_params = skylake_nau8825_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 || DMIC_CH(dmic_constraints) == 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 const unsigned int channels_dmic[] = {
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2, 4,
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};
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static const 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 const unsigned int dmic_2ch[] = {
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2,
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};
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static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
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.count = ARRAY_SIZE(dmic_2ch),
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.list = dmic_2ch,
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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 = DMIC_CH(dmic_constraints);
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snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
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dmic_constraints);
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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 const struct snd_soc_ops skylake_dmic_ops = {
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.startup = skylake_dmic_startup,
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};
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static const unsigned int rates_16000[] = {
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16000,
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};
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static const struct snd_pcm_hw_constraint_list constraints_16000 = {
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.count = ARRAY_SIZE(rates_16000),
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.list = rates_16000,
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};
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static const unsigned int ch_mono[] = {
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1,
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};
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static const struct snd_pcm_hw_constraint_list constraints_refcap = {
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.count = ARRAY_SIZE(ch_mono),
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.list = ch_mono,
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};
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static int skylake_refcap_startup(struct snd_pcm_substream *substream)
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{
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substream->runtime->hw.channels_max = 1;
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snd_pcm_hw_constraint_list(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_CHANNELS,
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&constraints_refcap);
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return snd_pcm_hw_constraint_list(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE,
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&constraints_16000);
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}
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static const struct snd_soc_ops skylake_refcap_ops = {
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.startup = skylake_refcap_startup,
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};
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SND_SOC_DAILINK_DEF(dummy,
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DAILINK_COMP_ARRAY(COMP_DUMMY()));
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SND_SOC_DAILINK_DEF(system,
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DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
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SND_SOC_DAILINK_DEF(reference,
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DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
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SND_SOC_DAILINK_DEF(dmic,
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DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
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SND_SOC_DAILINK_DEF(hdmi1,
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DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
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SND_SOC_DAILINK_DEF(hdmi2,
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DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
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SND_SOC_DAILINK_DEF(hdmi3,
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DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
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SND_SOC_DAILINK_DEF(ssp0_pin,
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DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
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SND_SOC_DAILINK_DEF(ssp0_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI)));
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SND_SOC_DAILINK_DEF(ssp1_pin,
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DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
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SND_SOC_DAILINK_DEF(ssp1_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00",
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SKL_NUVOTON_CODEC_DAI)));
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SND_SOC_DAILINK_DEF(dmic_pin,
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DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
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SND_SOC_DAILINK_DEF(dmic_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
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SND_SOC_DAILINK_DEF(idisp1_pin,
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DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
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SND_SOC_DAILINK_DEF(idisp1_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
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SND_SOC_DAILINK_DEF(idisp2_pin,
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DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
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SND_SOC_DAILINK_DEF(idisp2_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
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SND_SOC_DAILINK_DEF(idisp3_pin,
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DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
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SND_SOC_DAILINK_DEF(idisp3_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
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SND_SOC_DAILINK_DEF(platform,
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DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
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/* skylake digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link skylake_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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.dynamic = 1,
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.nonatomic = 1,
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.init = skylake_nau8825_fe_init,
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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.ops = &skylake_nau8825_fe_ops,
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SND_SOC_DAILINK_REG(system, dummy, platform),
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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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.dynamic = 1,
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|
.nonatomic = 1,
|
|
.trigger = {
|
|
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
|
|
.dpcm_capture = 1,
|
|
.ops = &skylake_nau8825_fe_ops,
|
|
SND_SOC_DAILINK_REG(system, dummy, platform),
|
|
},
|
|
[SKL_DPCM_AUDIO_REF_CP] = {
|
|
.name = "Skl Audio Reference cap",
|
|
.stream_name = "Wake on Voice",
|
|
.init = NULL,
|
|
.dpcm_capture = 1,
|
|
.nonatomic = 1,
|
|
.dynamic = 1,
|
|
.ops = &skylake_refcap_ops,
|
|
SND_SOC_DAILINK_REG(reference, dummy, platform),
|
|
},
|
|
[SKL_DPCM_AUDIO_DMIC_CP] = {
|
|
.name = "Skl Audio DMIC cap",
|
|
.stream_name = "dmiccap",
|
|
.init = NULL,
|
|
.dpcm_capture = 1,
|
|
.nonatomic = 1,
|
|
.dynamic = 1,
|
|
.ops = &skylake_dmic_ops,
|
|
SND_SOC_DAILINK_REG(dmic, dummy, platform),
|
|
},
|
|
[SKL_DPCM_AUDIO_HDMI1_PB] = {
|
|
.name = "Skl HDMI Port1",
|
|
.stream_name = "Hdmi1",
|
|
.dpcm_playback = 1,
|
|
.init = NULL,
|
|
.trigger = {
|
|
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
|
|
.nonatomic = 1,
|
|
.dynamic = 1,
|
|
SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
|
|
},
|
|
[SKL_DPCM_AUDIO_HDMI2_PB] = {
|
|
.name = "Skl HDMI Port2",
|
|
.stream_name = "Hdmi2",
|
|
.dpcm_playback = 1,
|
|
.init = NULL,
|
|
.trigger = {
|
|
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
|
|
.nonatomic = 1,
|
|
.dynamic = 1,
|
|
SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
|
|
},
|
|
[SKL_DPCM_AUDIO_HDMI3_PB] = {
|
|
.name = "Skl HDMI Port3",
|
|
.stream_name = "Hdmi3",
|
|
.trigger = {
|
|
SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
|
|
.dpcm_playback = 1,
|
|
.init = NULL,
|
|
.nonatomic = 1,
|
|
.dynamic = 1,
|
|
SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
|
|
},
|
|
|
|
/* Back End DAI links */
|
|
{
|
|
/* SSP0 - Codec */
|
|
.name = "SSP0-Codec",
|
|
.id = 0,
|
|
.no_pcm = 1,
|
|
.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_ssp_fixup,
|
|
.dpcm_playback = 1,
|
|
SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
|
|
},
|
|
{
|
|
/* SSP1 - Codec */
|
|
.name = "SSP1-Codec",
|
|
.id = 1,
|
|
.no_pcm = 1,
|
|
.init = skylake_nau8825_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_ssp_fixup,
|
|
.ops = &skylake_nau8825_ops,
|
|
.dpcm_playback = 1,
|
|
.dpcm_capture = 1,
|
|
SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
|
|
},
|
|
{
|
|
.name = "dmic01",
|
|
.id = 2,
|
|
.be_hw_params_fixup = skylake_dmic_fixup,
|
|
.ignore_suspend = 1,
|
|
.dpcm_capture = 1,
|
|
.no_pcm = 1,
|
|
SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
|
|
},
|
|
{
|
|
.name = "iDisp1",
|
|
.id = 3,
|
|
.dpcm_playback = 1,
|
|
.init = skylake_hdmi1_init,
|
|
.no_pcm = 1,
|
|
SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
|
|
},
|
|
{
|
|
.name = "iDisp2",
|
|
.id = 4,
|
|
.init = skylake_hdmi2_init,
|
|
.dpcm_playback = 1,
|
|
.no_pcm = 1,
|
|
SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
|
|
},
|
|
{
|
|
.name = "iDisp3",
|
|
.id = 5,
|
|
.init = skylake_hdmi3_init,
|
|
.dpcm_playback = 1,
|
|
.no_pcm = 1,
|
|
SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
|
|
},
|
|
};
|
|
|
|
#define NAME_SIZE 32
|
|
static int skylake_card_late_probe(struct snd_soc_card *card)
|
|
{
|
|
struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
|
|
struct skl_hdmi_pcm *pcm;
|
|
struct snd_soc_component *component = NULL;
|
|
int err, i = 0;
|
|
char jack_name[NAME_SIZE];
|
|
|
|
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
|
|
component = pcm->codec_dai->component;
|
|
snprintf(jack_name, sizeof(jack_name),
|
|
"HDMI/DP, pcm=%d Jack", pcm->device);
|
|
err = snd_soc_card_jack_new(card, jack_name,
|
|
SND_JACK_AVOUT,
|
|
&skylake_hdmi[i],
|
|
NULL, 0);
|
|
|
|
if (err)
|
|
return err;
|
|
|
|
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
|
|
&skylake_hdmi[i]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i++;
|
|
}
|
|
|
|
if (!component)
|
|
return -EINVAL;
|
|
|
|
return hdac_hdmi_jack_port_init(component, &card->dapm);
|
|
}
|
|
|
|
/* skylake audio machine driver for SPT + NAU88L25 */
|
|
static struct snd_soc_card skylake_audio_card = {
|
|
.name = "sklnau8825max",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = skylake_dais,
|
|
.num_links = ARRAY_SIZE(skylake_dais),
|
|
.controls = skylake_controls,
|
|
.num_controls = ARRAY_SIZE(skylake_controls),
|
|
.dapm_widgets = skylake_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
|
|
.dapm_routes = skylake_map,
|
|
.num_dapm_routes = ARRAY_SIZE(skylake_map),
|
|
.fully_routed = true,
|
|
.late_probe = skylake_card_late_probe,
|
|
};
|
|
|
|
static int skylake_audio_probe(struct platform_device *pdev)
|
|
{
|
|
struct skl_nau8825_private *ctx;
|
|
struct snd_soc_acpi_mach *mach;
|
|
|
|
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
|
|
if (!ctx)
|
|
return -ENOMEM;
|
|
|
|
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
|
|
|
|
skylake_audio_card.dev = &pdev->dev;
|
|
snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
|
|
|
|
mach = (&pdev->dev)->platform_data;
|
|
if (mach)
|
|
dmic_constraints = mach->mach_params.dmic_num == 2 ?
|
|
&constraints_dmic_2ch : &constraints_dmic_channels;
|
|
|
|
return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
|
|
}
|
|
|
|
static const struct platform_device_id skl_board_ids[] = {
|
|
{ .name = "skl_n88l25_m98357a" },
|
|
{ .name = "kbl_n88l25_m98357a" },
|
|
{ }
|
|
};
|
|
|
|
static struct platform_driver skylake_audio = {
|
|
.probe = skylake_audio_probe,
|
|
.driver = {
|
|
.name = "skl_n88l25_m98357a",
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
.id_table = skl_board_ids,
|
|
};
|
|
|
|
module_platform_driver(skylake_audio)
|
|
|
|
/* Module information */
|
|
MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
|
|
MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:skl_n88l25_m98357a");
|
|
MODULE_ALIAS("platform:kbl_n88l25_m98357a");
|