// SPDX-License-Identifier: GPL-2.0-only /* * ak4641.c -- AK4641 ALSA Soc Audio driver * * Copyright (C) 2008 Harald Welte <[email protected]> * Copyright (C) 2011 Dmitry Artamonow <[email protected]> * * Based on ak4535.c by Richard Purdie */ #include <linux/module.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> #include <sound/ak4641.h> /* AK4641 register space */ #define AK4641_PM1 … #define AK4641_PM2 … #define AK4641_SIG1 … #define AK4641_SIG2 … #define AK4641_MODE1 … #define AK4641_MODE2 … #define AK4641_DAC … #define AK4641_MIC … #define AK4641_TIMER … #define AK4641_ALC1 … #define AK4641_ALC2 … #define AK4641_PGA … #define AK4641_LATT … #define AK4641_RATT … #define AK4641_VOL … #define AK4641_STATUS … #define AK4641_EQLO … #define AK4641_EQMID … #define AK4641_EQHI … #define AK4641_BTIF … /* codec private data */ struct ak4641_priv { … }; /* * ak4641 register cache */ static const struct reg_default ak4641_reg_defaults[] = …; static const int deemph_settings[] = …; static int ak4641_set_deemph(struct snd_soc_component *component) { … } static int ak4641_put_deemph(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int ak4641_get_deemph(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = ak4641->deemph; return 0; }; static const char *ak4641_mono_out[] = …; static const char *ak4641_hp_out[] = …; static const char *ak4641_mic_select[] = …; static const char *ak4641_mic_or_dac[] = …; static const DECLARE_TLV_DB_SCALE(mono_gain_tlv, -1700, 2300, 0); static const DECLARE_TLV_DB_SCALE(mic_boost_tlv, 0, 2000, 0); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1050, 150, 0); static const DECLARE_TLV_DB_SCALE(master_tlv, -12750, 50, 0); static const DECLARE_TLV_DB_SCALE(mic_stereo_sidetone_tlv, -2700, 300, 0); static const DECLARE_TLV_DB_SCALE(mic_mono_sidetone_tlv, -400, 400, 0); static const DECLARE_TLV_DB_SCALE(capture_tlv, -800, 50, 0); static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0); static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0); static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum, AK4641_SIG1, 6, ak4641_mono_out); static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum, AK4641_MODE2, 2, ak4641_hp_out); static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum, AK4641_MIC, 1, ak4641_mic_select); static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum, AK4641_BTIF, 4, ak4641_mic_or_dac); static const struct snd_kcontrol_new ak4641_snd_controls[] = …; /* Mono 1 Mixer */ static const struct snd_kcontrol_new ak4641_mono1_mixer_controls[] = …; /* Stereo Mixer */ static const struct snd_kcontrol_new ak4641_stereo_mixer_controls[] = …; /* Input Mixer */ static const struct snd_kcontrol_new ak4641_input_mixer_controls[] = …; /* Mic mux */ static const struct snd_kcontrol_new ak4641_mic_mux_control = …; /* Input mux */ static const struct snd_kcontrol_new ak4641_input_mux_control = …; /* mono 2 switch */ static const struct snd_kcontrol_new ak4641_mono2_control = …; /* ak4641 dapm widgets */ static const struct snd_soc_dapm_widget ak4641_dapm_widgets[] = …; static const struct snd_soc_dapm_route ak4641_audio_map[] = …; static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { … } static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int ak4641_mute(struct snd_soc_dai *dai, int mute, int direction) { … } static int ak4641_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } #define AK4641_RATES … #define AK4641_RATES_BT … #define AK4641_FORMATS … static const struct snd_soc_dai_ops ak4641_i2s_dai_ops = …; static const struct snd_soc_dai_ops ak4641_pcm_dai_ops = …; static struct snd_soc_dai_driver ak4641_dai[] = …; static const struct snd_soc_component_driver soc_component_dev_ak4641 = …; static const struct regmap_config ak4641_regmap = …; static int ak4641_i2c_probe(struct i2c_client *i2c) { … } static void ak4641_i2c_remove(struct i2c_client *i2c) { … } static const struct i2c_device_id ak4641_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id); static struct i2c_driver ak4641_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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