// SPDX-License-Identifier: GPL-2.0-only /* * max98088.c -- MAX98088 ALSA SoC Audio driver * * Copyright 2010 Maxim Integrated Products */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/clk.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 <linux/slab.h> #include <asm/div64.h> #include <sound/max98088.h> #include "max98088.h" enum max98088_type { … }; struct max98088_cdata { … }; struct max98088_priv { … }; static const struct reg_default max98088_reg[] = …; static bool max98088_readable_register(struct device *dev, unsigned int reg) { … } static bool max98088_writeable_register(struct device *dev, unsigned int reg) { … } static bool max98088_volatile_register(struct device *dev, unsigned int reg) { … } static const struct regmap_config max98088_regmap = …; /* * Load equalizer DSP coefficient configurations registers */ static void m98088_eq_band(struct snd_soc_component *component, unsigned int dai, unsigned int band, u16 *coefs) { … } /* * Excursion limiter modes */ static const char *max98088_exmode_texts[] = …; static const unsigned int max98088_exmode_values[] = …; static SOC_VALUE_ENUM_SINGLE_DECL(max98088_exmode_enum, M98088_REG_41_SPKDHP, 0, 127, max98088_exmode_texts, max98088_exmode_values); static const char *max98088_ex_thresh[] = …; static SOC_ENUM_SINGLE_DECL(max98088_ex_thresh_enum, M98088_REG_42_SPKDHP_THRESH, 0, max98088_ex_thresh); static const char *max98088_fltr_mode[] = …; static SOC_ENUM_SINGLE_DECL(max98088_filter_mode_enum, M98088_REG_18_DAI1_FILTERS, 7, max98088_fltr_mode); static const char *max98088_extmic_text[] = …; static SOC_ENUM_SINGLE_DECL(max98088_extmic_enum, M98088_REG_48_CFG_MIC, 0, max98088_extmic_text); static const struct snd_kcontrol_new max98088_extmic_mux = …; static const char *max98088_dai1_fltr[] = …; static SOC_ENUM_SINGLE_DECL(max98088_dai1_dac_filter_enum, M98088_REG_18_DAI1_FILTERS, 0, max98088_dai1_fltr); static SOC_ENUM_SINGLE_DECL(max98088_dai1_adc_filter_enum, M98088_REG_18_DAI1_FILTERS, 4, max98088_dai1_fltr); static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98088_mic1pre_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98088_mic2pre_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_RANGE(max98088_micboost_tlv, 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0), 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0) ); static const DECLARE_TLV_DB_RANGE(max98088_hp_tlv, 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0), 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0), 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0), 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0), 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0) ); static const DECLARE_TLV_DB_RANGE(max98088_spk_tlv, 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0), 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0), 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0), 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0), 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0) ); static const struct snd_kcontrol_new max98088_snd_controls[] = …; /* Left speaker mixer switch */ static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = …; /* Right speaker mixer switch */ static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = …; /* Left headphone mixer switch */ static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = …; /* Right headphone mixer switch */ static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = …; /* Left earpiece/receiver mixer switch */ static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = …; /* Right earpiece/receiver mixer switch */ static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = …; /* Left ADC mixer switch */ static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = …; /* Right ADC mixer switch */ static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = …; static int max98088_mic_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } /* * The line inputs are 2-channel stereo inputs with the left * and right channels sharing a common PGA power control signal. */ static int max98088_line_pga(struct snd_soc_dapm_widget *w, int event, int line, u8 channel) { … } static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { … } static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { … } static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { … } static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { … } static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = …; static const struct snd_soc_dapm_route max98088_audio_map[] = …; /* codec mclk clock divider coefficients */ static const struct { … } rate_table[] = …; static inline int rate_value(int rate, u8 *value) { … } static int max98088_dai1_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int max98088_dai2_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int max98088_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int max98088_dai1_mute(struct snd_soc_dai *codec_dai, int mute, int direction) { … } static int max98088_dai2_mute(struct snd_soc_dai *codec_dai, int mute, int direction) { … } static int max98088_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } #define MAX98088_RATES … #define MAX98088_FORMATS … static const struct snd_soc_dai_ops max98088_dai1_ops = …; static const struct snd_soc_dai_ops max98088_dai2_ops = …; static struct snd_soc_dai_driver max98088_dai[] = …; static const char *eq_mode_name[] = …; static int max98088_get_channel(struct snd_soc_component *component, const char *name) { … } static void max98088_setup_eq1(struct snd_soc_component *component) { … } static void max98088_setup_eq2(struct snd_soc_component *component) { … } static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static void max98088_handle_eq_pdata(struct snd_soc_component *component) { … } static void max98088_handle_pdata(struct snd_soc_component *component) { … } static int max98088_probe(struct snd_soc_component *component) { … } static void max98088_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_max98088 = …; static const struct i2c_device_id max98088_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, max98088_i2c_id); static int max98088_i2c_probe(struct i2c_client *i2c) { … } #if defined(CONFIG_OF) static const struct of_device_id max98088_of_match[] = …; MODULE_DEVICE_TABLE(of, max98088_of_match); #endif static struct i2c_driver max98088_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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