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471 lines
12 KiB
471 lines
12 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Rockchip machine ASoC driver for boards using a MAX90809 CODEC. |
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* |
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* Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved. |
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*/ |
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#include <linux/module.h> |
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#include <linux/of_device.h> |
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#include <linux/platform_device.h> |
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#include <linux/slab.h> |
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#include <linux/gpio.h> |
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#include <linux/of_gpio.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 "rockchip_i2s.h" |
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#include "../codecs/ts3a227e.h" |
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#define DRV_NAME "rockchip-snd-max98090" |
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static struct snd_soc_jack headset_jack; |
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/* Headset jack detection DAPM pins */ |
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static struct snd_soc_jack_pin headset_jack_pins[] = { |
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{ |
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.pin = "Headphone", |
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.mask = SND_JACK_HEADPHONE, |
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}, |
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{ |
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.pin = "Headset Mic", |
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.mask = SND_JACK_MICROPHONE, |
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}, |
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}; |
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#define RK_MAX98090_WIDGETS \ |
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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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SND_SOC_DAPM_MIC("Int Mic", NULL), \ |
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SND_SOC_DAPM_SPK("Speaker", NULL) |
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#define RK_HDMI_WIDGETS \ |
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SND_SOC_DAPM_LINE("HDMI", NULL) |
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static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = { |
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RK_MAX98090_WIDGETS, |
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}; |
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static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = { |
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RK_HDMI_WIDGETS, |
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}; |
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static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = { |
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RK_MAX98090_WIDGETS, |
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RK_HDMI_WIDGETS, |
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}; |
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#define RK_MAX98090_AUDIO_MAP \ |
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{"IN34", NULL, "Headset Mic"}, \ |
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{"Headset Mic", NULL, "MICBIAS"}, \ |
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{"DMICL", NULL, "Int Mic"}, \ |
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{"Headphone", NULL, "HPL"}, \ |
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{"Headphone", NULL, "HPR"}, \ |
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{"Speaker", NULL, "SPKL"}, \ |
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{"Speaker", NULL, "SPKR"} |
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#define RK_HDMI_AUDIO_MAP \ |
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{"HDMI", NULL, "TX"} |
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static const struct snd_soc_dapm_route rk_max98090_audio_map[] = { |
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RK_MAX98090_AUDIO_MAP, |
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}; |
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static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = { |
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RK_HDMI_AUDIO_MAP, |
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}; |
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static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = { |
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RK_MAX98090_AUDIO_MAP, |
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RK_HDMI_AUDIO_MAP, |
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}; |
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#define RK_MAX98090_CONTROLS \ |
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SOC_DAPM_PIN_SWITCH("Headphone"), \ |
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SOC_DAPM_PIN_SWITCH("Headset Mic"), \ |
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SOC_DAPM_PIN_SWITCH("Int Mic"), \ |
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SOC_DAPM_PIN_SWITCH("Speaker") |
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#define RK_HDMI_CONTROLS \ |
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SOC_DAPM_PIN_SWITCH("HDMI") |
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static const struct snd_kcontrol_new rk_max98090_controls[] = { |
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RK_MAX98090_CONTROLS, |
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}; |
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static const struct snd_kcontrol_new rk_hdmi_controls[] = { |
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RK_HDMI_CONTROLS, |
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}; |
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static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = { |
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RK_MAX98090_CONTROLS, |
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RK_HDMI_CONTROLS, |
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}; |
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static int rk_jack_event(struct notifier_block *nb, unsigned long event, |
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void *data) |
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{ |
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struct snd_soc_jack *jack = (struct snd_soc_jack *)data; |
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struct snd_soc_dapm_context *dapm = &jack->card->dapm; |
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if (event & SND_JACK_MICROPHONE) { |
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snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); |
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snd_soc_dapm_force_enable_pin(dapm, "SHDN"); |
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} else { |
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snd_soc_dapm_disable_pin(dapm, "MICBIAS"); |
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snd_soc_dapm_disable_pin(dapm, "SHDN"); |
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} |
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snd_soc_dapm_sync(dapm); |
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return 0; |
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} |
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static struct notifier_block rk_jack_nb = { |
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.notifier_call = rk_jack_event, |
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}; |
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static int rk_init(struct snd_soc_pcm_runtime *runtime) |
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{ |
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/* |
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* The jack has already been created in the rk_98090_headset_init() |
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* function. |
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*/ |
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snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb); |
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return 0; |
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} |
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static int rk_aif1_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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int ret = 0; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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int mclk; |
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switch (params_rate(params)) { |
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case 8000: |
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case 16000: |
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case 24000: |
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case 32000: |
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case 48000: |
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case 64000: |
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case 96000: |
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mclk = 12288000; |
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break; |
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case 11025: |
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case 22050: |
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case 44100: |
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case 88200: |
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mclk = 11289600; |
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break; |
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default: |
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return -EINVAL; |
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} |
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, |
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SND_SOC_CLOCK_OUT); |
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if (ret) { |
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dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
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SND_SOC_CLOCK_IN); |
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/* HDMI codec dai does not need to set sysclk. */ |
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if (!strcmp(rtd->dai_link->name, "HDMI")) |
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return 0; |
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if (ret) { |
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dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret); |
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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 int rk_aif1_startup(struct snd_pcm_substream *substream) |
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{ |
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/* |
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* Set period size to 240 because pl330 has issue |
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* dealing with larger period in stress testing. |
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*/ |
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return snd_pcm_hw_constraint_minmax(substream->runtime, |
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SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240); |
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} |
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static const struct snd_soc_ops rk_aif1_ops = { |
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.hw_params = rk_aif1_hw_params, |
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.startup = rk_aif1_startup, |
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}; |
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SND_SOC_DAILINK_DEFS(analog, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), |
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DAILINK_COMP_ARRAY(COMP_EMPTY())); |
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SND_SOC_DAILINK_DEFS(hdmi, |
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DAILINK_COMP_ARRAY(COMP_EMPTY()), |
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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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enum { |
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DAILINK_MAX98090, |
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DAILINK_HDMI, |
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}; |
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static struct snd_soc_jack rk_hdmi_jack; |
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static int rk_hdmi_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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int ret; |
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/* enable jack detection */ |
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ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT, |
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&rk_hdmi_jack, NULL, 0); |
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if (ret) { |
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dev_err(card->dev, "Can't new HDMI Jack %d\n", ret); |
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return ret; |
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} |
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return snd_soc_component_set_jack(component, &rk_hdmi_jack, NULL); |
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} |
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/* max98090 dai_link */ |
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static struct snd_soc_dai_link rk_max98090_dailinks[] = { |
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{ |
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.name = "max98090", |
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.stream_name = "Analog", |
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.init = rk_init, |
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.ops = &rk_aif1_ops, |
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/* set max98090 as slave */ |
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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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SND_SOC_DAILINK_REG(analog), |
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}, |
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}; |
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/* HDMI codec dai_link */ |
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static struct snd_soc_dai_link rk_hdmi_dailinks[] = { |
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{ |
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.name = "HDMI", |
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.stream_name = "HDMI", |
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.init = rk_hdmi_init, |
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.ops = &rk_aif1_ops, |
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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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SND_SOC_DAILINK_REG(hdmi), |
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} |
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}; |
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/* max98090 and HDMI codec dai_link */ |
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static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = { |
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[DAILINK_MAX98090] = { |
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.name = "max98090", |
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.stream_name = "Analog", |
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.init = rk_init, |
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.ops = &rk_aif1_ops, |
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/* set max98090 as slave */ |
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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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SND_SOC_DAILINK_REG(analog), |
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}, |
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[DAILINK_HDMI] = { |
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.name = "HDMI", |
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.stream_name = "HDMI", |
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.init = rk_hdmi_init, |
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.ops = &rk_aif1_ops, |
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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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SND_SOC_DAILINK_REG(hdmi), |
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} |
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}; |
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static int rk_98090_headset_init(struct snd_soc_component *component); |
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static struct snd_soc_aux_dev rk_98090_headset_dev = { |
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.dlc = COMP_EMPTY(), |
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.init = rk_98090_headset_init, |
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}; |
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static struct snd_soc_card rockchip_max98090_card = { |
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.name = "ROCKCHIP-I2S", |
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.owner = THIS_MODULE, |
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.dai_link = rk_max98090_dailinks, |
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.num_links = ARRAY_SIZE(rk_max98090_dailinks), |
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.aux_dev = &rk_98090_headset_dev, |
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.num_aux_devs = 1, |
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.dapm_widgets = rk_max98090_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets), |
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.dapm_routes = rk_max98090_audio_map, |
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.num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map), |
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.controls = rk_max98090_controls, |
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.num_controls = ARRAY_SIZE(rk_max98090_controls), |
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}; |
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static struct snd_soc_card rockchip_hdmi_card = { |
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.name = "ROCKCHIP-HDMI", |
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.owner = THIS_MODULE, |
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.dai_link = rk_hdmi_dailinks, |
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.num_links = ARRAY_SIZE(rk_hdmi_dailinks), |
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.dapm_widgets = rk_hdmi_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets), |
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.dapm_routes = rk_hdmi_audio_map, |
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.num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map), |
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.controls = rk_hdmi_controls, |
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.num_controls = ARRAY_SIZE(rk_hdmi_controls), |
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}; |
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static struct snd_soc_card rockchip_max98090_hdmi_card = { |
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.name = "ROCKCHIP-MAX98090-HDMI", |
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.owner = THIS_MODULE, |
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.dai_link = rk_max98090_hdmi_dailinks, |
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.num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks), |
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.aux_dev = &rk_98090_headset_dev, |
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.num_aux_devs = 1, |
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.dapm_widgets = rk_max98090_hdmi_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets), |
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.dapm_routes = rk_max98090_hdmi_audio_map, |
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.num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map), |
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.controls = rk_max98090_hdmi_controls, |
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.num_controls = ARRAY_SIZE(rk_max98090_hdmi_controls), |
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}; |
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static int rk_98090_headset_init(struct snd_soc_component *component) |
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{ |
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int ret; |
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/* Enable Headset and 4 Buttons Jack detection */ |
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ret = snd_soc_card_jack_new(component->card, "Headset Jack", |
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SND_JACK_HEADSET | |
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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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&headset_jack, |
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headset_jack_pins, |
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ARRAY_SIZE(headset_jack_pins)); |
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if (ret) |
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return ret; |
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ret = ts3a227e_enable_jack_detect(component, &headset_jack); |
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return ret; |
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} |
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static int rk_parse_headset_from_of(struct device *dev, struct device_node *np) |
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{ |
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rk_98090_headset_dev.dlc.of_node = of_parse_phandle( |
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np, "rockchip,headset-codec", 0); |
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if (!rk_98090_headset_dev.dlc.of_node) { |
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dev_err(dev, |
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"Property 'rockchip,headset-codec' missing/invalid\n"); |
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return -EINVAL; |
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} |
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return 0; |
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} |
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static int snd_rk_mc_probe(struct platform_device *pdev) |
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{ |
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int ret = 0; |
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struct snd_soc_card *card; |
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struct device *dev = &pdev->dev; |
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struct device_node *np = pdev->dev.of_node; |
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struct device_node *np_cpu; |
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struct device_node *np_audio, *np_hdmi; |
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/* Parse DTS for I2S controller. */ |
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np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0); |
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if (!np_cpu) { |
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dev_err(&pdev->dev, |
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"Property 'rockchip,i2s-controller missing or invalid\n"); |
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return -EINVAL; |
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} |
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/* |
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* Find the card to use based on the presences of audio codec |
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* and hdmi codec in device property. Set their of_node accordingly. |
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*/ |
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np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0); |
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np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0); |
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if (np_audio && np_hdmi) { |
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card = &rockchip_max98090_hdmi_card; |
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card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio; |
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card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi; |
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card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu; |
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card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu; |
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card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu; |
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card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu; |
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} else if (np_audio) { |
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card = &rockchip_max98090_card; |
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card->dai_link[0].codecs->of_node = np_audio; |
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card->dai_link[0].cpus->of_node = np_cpu; |
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card->dai_link[0].platforms->of_node = np_cpu; |
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} else if (np_hdmi) { |
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card = &rockchip_hdmi_card; |
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card->dai_link[0].codecs->of_node = np_hdmi; |
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card->dai_link[0].cpus->of_node = np_cpu; |
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card->dai_link[0].platforms->of_node = np_cpu; |
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} else { |
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dev_err(dev, "At least one of codecs should be specified\n"); |
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return -EINVAL; |
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} |
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card->dev = dev; |
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/* Parse headset detection codec. */ |
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if (np_audio) { |
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ret = rk_parse_headset_from_of(dev, np); |
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if (ret) |
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return ret; |
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} |
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/* Parse card name. */ |
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ret = snd_soc_of_parse_card_name(card, "rockchip,model"); |
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if (ret) { |
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dev_err(&pdev->dev, |
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"Soc parse card name failed %d\n", ret); |
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return ret; |
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} |
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/* register the soc card */ |
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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, |
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"Soc register card failed %d\n", ret); |
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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 of_device_id rockchip_max98090_of_match[] = { |
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{ .compatible = "rockchip,rockchip-audio-max98090", }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match); |
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static struct platform_driver snd_rk_mc_driver = { |
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.probe = snd_rk_mc_probe, |
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.driver = { |
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.name = DRV_NAME, |
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.pm = &snd_soc_pm_ops, |
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.of_match_table = rockchip_max98090_of_match, |
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}, |
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}; |
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module_platform_driver(snd_rk_mc_driver); |
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MODULE_AUTHOR("jianqun <[email protected]>"); |
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MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_ALIAS("platform:" DRV_NAME);
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