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353 lines
9.5 KiB
353 lines
9.5 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs |
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* |
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* Copyright (c) 2016 MediaTek Inc. |
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* Author: Koro Chen <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/gpio.h> |
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#include <linux/of_gpio.h> |
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#include <sound/soc.h> |
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#include <sound/jack.h> |
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#include "../../codecs/rt5645.h" |
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#define MCLK_FOR_CODECS 12288000 |
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enum mt8173_rt5650_mclk { |
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MT8173_RT5650_MCLK_EXTERNAL = 0, |
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MT8173_RT5650_MCLK_INTERNAL, |
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}; |
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struct mt8173_rt5650_platform_data { |
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enum mt8173_rt5650_mclk pll_from; |
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/* 0 = external oscillator; 1 = internal source from mt8173 */ |
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}; |
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static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = { |
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.pll_from = MT8173_RT5650_MCLK_EXTERNAL, |
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}; |
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static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = { |
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SND_SOC_DAPM_SPK("Speaker", NULL), |
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SND_SOC_DAPM_MIC("Int Mic", NULL), |
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SND_SOC_DAPM_HP("Headphone", NULL), |
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SND_SOC_DAPM_MIC("Headset Mic", NULL), |
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}; |
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static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = { |
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{"Speaker", NULL, "SPOL"}, |
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{"Speaker", NULL, "SPOR"}, |
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{"DMIC L1", NULL, "Int Mic"}, |
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{"DMIC R1", NULL, "Int Mic"}, |
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{"Headphone", NULL, "HPOL"}, |
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{"Headphone", NULL, "HPOR"}, |
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{"IN1P", NULL, "Headset Mic"}, |
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{"IN1N", NULL, "Headset Mic"}, |
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}; |
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static const struct snd_kcontrol_new mt8173_rt5650_controls[] = { |
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SOC_DAPM_PIN_SWITCH("Speaker"), |
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SOC_DAPM_PIN_SWITCH("Int Mic"), |
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SOC_DAPM_PIN_SWITCH("Headphone"), |
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SOC_DAPM_PIN_SWITCH("Headset Mic"), |
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}; |
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static int mt8173_rt5650_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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unsigned int mclk_clock; |
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struct snd_soc_dai *codec_dai; |
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int i, ret; |
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switch (mt8173_rt5650_priv.pll_from) { |
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case MT8173_RT5650_MCLK_EXTERNAL: |
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/* mclk = 12.288M */ |
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mclk_clock = MCLK_FOR_CODECS; |
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break; |
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case MT8173_RT5650_MCLK_INTERNAL: |
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/* mclk = sampling rate*256 */ |
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mclk_clock = params_rate(params) * 256; |
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break; |
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default: |
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/* mclk = 12.288M */ |
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mclk_clock = MCLK_FOR_CODECS; |
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break; |
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} |
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for_each_rtd_codec_dais(rtd, i, codec_dai) { |
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/* pll from mclk */ |
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ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock, |
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params_rate(params) * 512); |
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if (ret) |
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return ret; |
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/* sysclk from pll */ |
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ret = snd_soc_dai_set_sysclk(codec_dai, 1, |
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params_rate(params) * 512, |
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SND_SOC_CLOCK_IN); |
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if (ret) |
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return ret; |
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} |
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return 0; |
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} |
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static const struct snd_soc_ops mt8173_rt5650_ops = { |
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.hw_params = mt8173_rt5650_hw_params, |
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}; |
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static struct snd_soc_jack mt8173_rt5650_jack, mt8173_rt5650_hdmi_jack; |
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static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime) |
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{ |
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struct snd_soc_card *card = runtime->card; |
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struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; |
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const char *codec_capture_dai = asoc_rtd_to_codec(runtime, 1)->name; |
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int ret; |
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rt5645_sel_asrc_clk_src(component, |
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RT5645_DA_STEREO_FILTER, |
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RT5645_CLK_SEL_I2S1_ASRC); |
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if (!strcmp(codec_capture_dai, "rt5645-aif1")) { |
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rt5645_sel_asrc_clk_src(component, |
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RT5645_AD_STEREO_FILTER, |
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RT5645_CLK_SEL_I2S1_ASRC); |
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} else if (!strcmp(codec_capture_dai, "rt5645-aif2")) { |
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rt5645_sel_asrc_clk_src(component, |
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RT5645_AD_STEREO_FILTER, |
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RT5645_CLK_SEL_I2S2_ASRC); |
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} else { |
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dev_warn(card->dev, |
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"Only one dai codec found in DTS, enabled rt5645 AD filter\n"); |
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rt5645_sel_asrc_clk_src(component, |
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RT5645_AD_STEREO_FILTER, |
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RT5645_CLK_SEL_I2S1_ASRC); |
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} |
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/* enable jack detection */ |
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ret = snd_soc_card_jack_new(card, "Headset Jack", |
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SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3, |
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&mt8173_rt5650_jack, NULL, 0); |
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if (ret) { |
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dev_err(card->dev, "Can't new Headset Jack %d\n", ret); |
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return ret; |
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} |
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return rt5645_set_jack_detect(component, |
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&mt8173_rt5650_jack, |
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&mt8173_rt5650_jack, |
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&mt8173_rt5650_jack); |
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} |
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static int mt8173_rt5650_hdmi_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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int ret; |
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ret = snd_soc_card_jack_new(rtd->card, "HDMI Jack", SND_JACK_LINEOUT, |
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&mt8173_rt5650_hdmi_jack, NULL, 0); |
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if (ret) |
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return ret; |
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return snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component, |
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&mt8173_rt5650_hdmi_jack, NULL); |
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} |
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enum { |
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DAI_LINK_PLAYBACK, |
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DAI_LINK_CAPTURE, |
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DAI_LINK_HDMI, |
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DAI_LINK_CODEC_I2S, |
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DAI_LINK_HDMI_I2S, |
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}; |
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SND_SOC_DAILINK_DEFS(playback, |
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DAILINK_COMP_ARRAY(COMP_CPU("DL1")), |
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DAILINK_COMP_ARRAY(COMP_DUMMY()), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(capture, |
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DAILINK_COMP_ARRAY(COMP_CPU("VUL")), |
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DAILINK_COMP_ARRAY(COMP_DUMMY()), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(hdmi_pcm, |
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DAILINK_COMP_ARRAY(COMP_CPU("HDMI")), |
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DAILINK_COMP_ARRAY(COMP_DUMMY()), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(codec, |
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DAILINK_COMP_ARRAY(COMP_CPU("I2S")), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), /* Playback */ |
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COMP_CODEC(NULL, "rt5645-aif1")),/* Capture */ |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(hdmi_be, |
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DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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/* Digital audio interface glue - connects codec <---> CPU */ |
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static struct snd_soc_dai_link mt8173_rt5650_dais[] = { |
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/* Front End DAI links */ |
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[DAI_LINK_PLAYBACK] = { |
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.name = "rt5650 Playback", |
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.stream_name = "rt5650 Playback", |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.dynamic = 1, |
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.dpcm_playback = 1, |
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SND_SOC_DAILINK_REG(playback), |
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}, |
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[DAI_LINK_CAPTURE] = { |
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.name = "rt5650 Capture", |
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.stream_name = "rt5650 Capture", |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.dynamic = 1, |
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.dpcm_capture = 1, |
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SND_SOC_DAILINK_REG(capture), |
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}, |
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[DAI_LINK_HDMI] = { |
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.name = "HDMI", |
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.stream_name = "HDMI PCM", |
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
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.dynamic = 1, |
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.dpcm_playback = 1, |
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SND_SOC_DAILINK_REG(hdmi_pcm), |
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}, |
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/* Back End DAI links */ |
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[DAI_LINK_CODEC_I2S] = { |
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.name = "Codec", |
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.no_pcm = 1, |
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.init = mt8173_rt5650_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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.ops = &mt8173_rt5650_ops, |
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.ignore_pmdown_time = 1, |
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.dpcm_playback = 1, |
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.dpcm_capture = 1, |
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SND_SOC_DAILINK_REG(codec), |
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}, |
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[DAI_LINK_HDMI_I2S] = { |
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.name = "HDMI BE", |
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.no_pcm = 1, |
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.dpcm_playback = 1, |
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.init = mt8173_rt5650_hdmi_init, |
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SND_SOC_DAILINK_REG(hdmi_be), |
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}, |
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}; |
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static struct snd_soc_card mt8173_rt5650_card = { |
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.name = "mtk-rt5650", |
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.owner = THIS_MODULE, |
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.dai_link = mt8173_rt5650_dais, |
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.num_links = ARRAY_SIZE(mt8173_rt5650_dais), |
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.controls = mt8173_rt5650_controls, |
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.num_controls = ARRAY_SIZE(mt8173_rt5650_controls), |
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.dapm_widgets = mt8173_rt5650_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets), |
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.dapm_routes = mt8173_rt5650_routes, |
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.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes), |
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}; |
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static int mt8173_rt5650_dev_probe(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *card = &mt8173_rt5650_card; |
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struct device_node *platform_node; |
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struct device_node *np; |
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const char *codec_capture_dai; |
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struct snd_soc_dai_link *dai_link; |
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int i, ret; |
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platform_node = of_parse_phandle(pdev->dev.of_node, |
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"mediatek,platform", 0); |
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if (!platform_node) { |
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dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); |
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return -EINVAL; |
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} |
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for_each_card_prelinks(card, i, dai_link) { |
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if (dai_link->platforms->name) |
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continue; |
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dai_link->platforms->of_node = platform_node; |
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} |
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mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node = |
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of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); |
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if (!mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { |
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dev_err(&pdev->dev, |
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"Property 'audio-codec' missing or invalid\n"); |
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return -EINVAL; |
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} |
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mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node = |
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mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node; |
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np = of_get_child_by_name(pdev->dev.of_node, "codec-capture"); |
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if (np) { |
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ret = snd_soc_of_get_dai_name(np, &codec_capture_dai); |
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of_node_put(np); |
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if (ret < 0) { |
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dev_err(&pdev->dev, |
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"%s codec_capture_dai name fail %d\n", |
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__func__, ret); |
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return ret; |
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} |
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mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].dai_name = |
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codec_capture_dai; |
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} |
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if (device_property_present(&pdev->dev, "mediatek,mclk")) { |
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ret = device_property_read_u32(&pdev->dev, |
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"mediatek,mclk", |
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&mt8173_rt5650_priv.pll_from); |
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if (ret) { |
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dev_err(&pdev->dev, |
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"%s snd_soc_register_card fail %d\n", |
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__func__, ret); |
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} |
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} |
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mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node = |
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of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); |
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if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node) { |
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dev_err(&pdev->dev, |
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"Property 'audio-codec' missing or invalid\n"); |
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return -EINVAL; |
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} |
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card->dev = &pdev->dev; |
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ret = devm_snd_soc_register_card(&pdev->dev, card); |
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if (ret) |
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dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", |
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__func__, ret); |
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return ret; |
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} |
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static const struct of_device_id mt8173_rt5650_dt_match[] = { |
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{ .compatible = "mediatek,mt8173-rt5650", }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match); |
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static struct platform_driver mt8173_rt5650_driver = { |
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.driver = { |
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.name = "mtk-rt5650", |
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.of_match_table = mt8173_rt5650_dt_match, |
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#ifdef CONFIG_PM |
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.pm = &snd_soc_pm_ops, |
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#endif |
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}, |
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.probe = mt8173_rt5650_dev_probe, |
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}; |
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module_platform_driver(mt8173_rt5650_driver); |
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/* Module information */ |
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MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver"); |
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MODULE_AUTHOR("Koro Chen <[email protected]>"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_ALIAS("platform:mtk-rt5650"); |
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