568 lines
14 KiB
C
568 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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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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#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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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_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_DB_PB,
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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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/* 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 = asoc_rtd_to_cpu(rtd, 0)->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_component *component = asoc_rtd_to_codec(rtd, 0)->component;
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int ret;
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ret = snd_soc_card_jack_new_pins(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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snd_soc_component_set_jack(component, &skylake_headset, NULL);
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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 = asoc_rtd_to_codec(rtd, 0);
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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 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_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 *chan = 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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chan->min = chan->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_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 = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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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 const 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 *chan = 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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chan->min = chan->max = 2;
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else
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chan->min = chan->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 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 const struct snd_soc_ops skylake_dmic_ops = {
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.startup = skylake_dmic_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(deepbuffer,
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DAILINK_COMP_ARRAY(COMP_CPU("Deepbuffer 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("i2c-INT343A:00", "rt286-aif1")));
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SND_SOC_DAILINK_DEF(dmic01_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_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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.nonatomic = 1,
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.dynamic = 1,
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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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SND_SOC_DAILINK_REG(system, dummy, platform),
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},
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[SKL_DPCM_AUDIO_DB_PB] = {
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.name = "Skl Deepbuffer Port",
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.stream_name = "Deep Buffer Audio",
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.nonatomic = 1,
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.dynamic = 1,
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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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SND_SOC_DAILINK_REG(deepbuffer, 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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.nonatomic = 1,
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.dynamic = 1,
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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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SND_SOC_DAILINK_REG(system, dummy, platform),
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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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.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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SND_SOC_DAILINK_REG(reference, dummy, platform),
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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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.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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SND_SOC_DAILINK_REG(dmic, dummy, platform),
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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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.dpcm_playback = 1,
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.init = NULL,
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.nonatomic = 1,
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.dynamic = 1,
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SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
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},
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[SKL_DPCM_AUDIO_HDMI2_PB] = {
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.name = "Skl HDMI Port2",
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.stream_name = "Hdmi2",
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.dpcm_playback = 1,
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.init = NULL,
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.nonatomic = 1,
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.dynamic = 1,
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SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
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},
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[SKL_DPCM_AUDIO_HDMI3_PB] = {
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.name = "Skl HDMI Port3",
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.stream_name = "Hdmi3",
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.dpcm_playback = 1,
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.init = NULL,
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.nonatomic = 1,
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.dynamic = 1,
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SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
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},
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/* Back End DAI links */
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{
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/* SSP0 - Codec */
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.name = "SSP0-Codec",
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.id = 0,
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.no_pcm = 1,
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.init = skylake_rt286_codec_init,
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.dai_fmt = SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBC_CFC,
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.ignore_pmdown_time = 1,
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.be_hw_params_fixup = skylake_ssp0_fixup,
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.ops = &skylake_rt286_ops,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
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},
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{
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.name = "dmic01",
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.id = 1,
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.be_hw_params_fixup = skylake_dmic_fixup,
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.ignore_suspend = 1,
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.dpcm_capture = 1,
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.no_pcm = 1,
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SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
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},
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{
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.name = "iDisp1",
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.id = 2,
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.init = skylake_hdmi_init,
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.dpcm_playback = 1,
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.no_pcm = 1,
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SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
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},
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{
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.name = "iDisp2",
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.id = 3,
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.init = skylake_hdmi_init,
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.dpcm_playback = 1,
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.no_pcm = 1,
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SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
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},
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{
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.name = "iDisp3",
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.id = 4,
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.init = skylake_hdmi_init,
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.dpcm_playback = 1,
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.no_pcm = 1,
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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_rt286_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]);
|
|
|
|
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 + 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_KERNEL);
|
|
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" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(platform, skl_board_ids);
|
|
|
|
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");
|