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336 lines
8.7 KiB
336 lines
8.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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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 <sound/soc-acpi.h> |
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#include "../../codecs/rt286.h" |
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static struct snd_soc_jack broadwell_headset; |
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/* Headset jack detection DAPM pins */ |
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static struct snd_soc_jack_pin broadwell_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 broadwell_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Speaker"), |
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SOC_DAPM_PIN_SWITCH("Headphone Jack"), |
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}; |
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static const struct snd_soc_dapm_widget broadwell_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("DMIC1", NULL), |
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SND_SOC_DAPM_MIC("DMIC2", NULL), |
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SND_SOC_DAPM_LINE("Line Jack", NULL), |
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}; |
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static const struct snd_soc_dapm_route broadwell_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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{"LINE1", NULL, "Line Jack"}, |
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/* digital mics */ |
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{"DMIC1 Pin", NULL, "DMIC1"}, |
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{"DMIC2 Pin", NULL, "DMIC2"}, |
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/* CODEC BE connections */ |
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{"SSP0 CODEC IN", NULL, "AIF1 Capture"}, |
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{"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, |
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}; |
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static int broadwell_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 = 0; |
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ret = snd_soc_card_jack_new(rtd->card, "Headset", |
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SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset, |
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broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins)); |
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if (ret) |
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return ret; |
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rt286_mic_detect(component, &broadwell_headset); |
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return 0; |
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} |
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static int broadwell_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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/* The ADSP will covert the FE rate to 48k, stereo */ |
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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 16 bit */ |
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params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); |
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return 0; |
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} |
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static int broadwell_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, "can't set codec sysclk configuration\n"); |
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return ret; |
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} |
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return ret; |
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} |
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static const struct snd_soc_ops broadwell_rt286_ops = { |
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.hw_params = broadwell_rt286_hw_params, |
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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 broadwell_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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/* Board supports stereo configuration only */ |
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runtime->hw.channels_max = 2; |
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return snd_pcm_hw_constraint_list(runtime, 0, |
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SNDRV_PCM_HW_PARAM_CHANNELS, |
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&constraints_channels); |
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} |
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static const struct snd_soc_ops broadwell_fe_ops = { |
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.startup = broadwell_fe_startup, |
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}; |
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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(offload0, |
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DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin"))); |
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SND_SOC_DAILINK_DEF(offload1, |
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DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin"))); |
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SND_SOC_DAILINK_DEF(loopback, |
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DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin"))); |
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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(platform, |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio"))); |
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SND_SOC_DAILINK_DEF(codec, |
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DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1"))); |
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SND_SOC_DAILINK_DEF(ssp0_port, |
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DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port"))); |
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/* broadwell digital audio interface glue - connects codec <--> CPU */ |
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static struct snd_soc_dai_link broadwell_rt286_dais[] = { |
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/* Front End DAI links */ |
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{ |
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.name = "System PCM", |
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.stream_name = "System Playback/Capture", |
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.nonatomic = 1, |
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.dynamic = 1, |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.ops = &broadwell_fe_ops, |
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.dpcm_playback = 1, |
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.dpcm_capture = 1, |
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SND_SOC_DAILINK_REG(system, dummy, platform), |
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}, |
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{ |
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.name = "Offload0", |
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.stream_name = "Offload0 Playback", |
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.nonatomic = 1, |
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.dynamic = 1, |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.dpcm_playback = 1, |
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SND_SOC_DAILINK_REG(offload0, dummy, platform), |
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}, |
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{ |
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.name = "Offload1", |
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.stream_name = "Offload1 Playback", |
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.nonatomic = 1, |
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.dynamic = 1, |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.dpcm_playback = 1, |
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SND_SOC_DAILINK_REG(offload1, dummy, platform), |
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}, |
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{ |
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.name = "Loopback PCM", |
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.stream_name = "Loopback", |
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.nonatomic = 1, |
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.dynamic = 1, |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.dpcm_capture = 1, |
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SND_SOC_DAILINK_REG(loopback, 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 = "Codec", |
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.id = 0, |
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.no_pcm = 1, |
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.init = broadwell_rt286_codec_init, |
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
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SND_SOC_DAIFMT_CBS_CFS, |
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.ignore_pmdown_time = 1, |
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.be_hw_params_fixup = broadwell_ssp0_fixup, |
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.ops = &broadwell_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_port, codec, platform), |
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}, |
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}; |
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static int broadwell_disable_jack(struct snd_soc_card *card) |
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{ |
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struct snd_soc_component *component; |
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for_each_card_components(card, component) { |
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if (!strcmp(component->name, "i2c-INT343A:00")) { |
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dev_dbg(component->dev, "disabling jack detect before going to suspend.\n"); |
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rt286_mic_detect(component, NULL); |
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break; |
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} |
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} |
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return 0; |
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} |
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static int broadwell_suspend(struct snd_soc_card *card) |
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{ |
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return broadwell_disable_jack(card); |
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} |
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static int broadwell_resume(struct snd_soc_card *card){ |
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struct snd_soc_component *component; |
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for_each_card_components(card, component) { |
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if (!strcmp(component->name, "i2c-INT343A:00")) { |
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dev_dbg(component->dev, "enabling jack detect for resume.\n"); |
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rt286_mic_detect(component, &broadwell_headset); |
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break; |
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} |
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} |
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return 0; |
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} |
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/* use space before codec name to simplify card ID, and simplify driver name */ |
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#define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */ |
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#define SOF_DRIVER_NAME "SOF" |
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#define CARD_NAME "broadwell-rt286" |
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#define DRIVER_NAME NULL /* card name will be used for driver name */ |
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/* broadwell audio machine driver for WPT + RT286S */ |
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static struct snd_soc_card broadwell_rt286 = { |
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.owner = THIS_MODULE, |
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.dai_link = broadwell_rt286_dais, |
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.num_links = ARRAY_SIZE(broadwell_rt286_dais), |
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.controls = broadwell_controls, |
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.num_controls = ARRAY_SIZE(broadwell_controls), |
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.dapm_widgets = broadwell_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(broadwell_widgets), |
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.dapm_routes = broadwell_rt286_map, |
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.num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map), |
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.fully_routed = true, |
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.suspend_pre = broadwell_suspend, |
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.resume_post = broadwell_resume, |
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}; |
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static int broadwell_audio_probe(struct platform_device *pdev) |
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{ |
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struct snd_soc_acpi_mach *mach; |
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int ret; |
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broadwell_rt286.dev = &pdev->dev; |
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/* override plaform name, if required */ |
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mach = pdev->dev.platform_data; |
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ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286, |
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mach->mach_params.platform); |
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if (ret) |
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return ret; |
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/* set card and driver name */ |
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if (snd_soc_acpi_sof_parent(&pdev->dev)) { |
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broadwell_rt286.name = SOF_CARD_NAME; |
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broadwell_rt286.driver_name = SOF_DRIVER_NAME; |
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} else { |
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broadwell_rt286.name = CARD_NAME; |
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broadwell_rt286.driver_name = DRIVER_NAME; |
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} |
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return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286); |
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} |
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static int broadwell_audio_remove(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *card = platform_get_drvdata(pdev); |
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return broadwell_disable_jack(card); |
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} |
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static struct platform_driver broadwell_audio = { |
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.probe = broadwell_audio_probe, |
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.remove = broadwell_audio_remove, |
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.driver = { |
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.name = "broadwell-audio", |
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.pm = &snd_soc_pm_ops |
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}, |
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}; |
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module_platform_driver(broadwell_audio) |
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/* Module information */ |
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MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); |
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MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_ALIAS("platform:broadwell-audio");
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