// SPDX-License-Identifier: GPL-2.0-only /* * max98095.c -- MAX98095 ALSA SoC Audio driver * * Copyright 2011 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/clk.h> #include <linux/mutex.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/max98095.h> #include <sound/jack.h> #include "max98095.h" enum max98095_type { … }; struct max98095_cdata { … }; struct max98095_priv { … }; static const struct reg_default max98095_reg_def[] = …; static bool max98095_readable(struct device *dev, unsigned int reg) { … } static bool max98095_writeable(struct device *dev, unsigned int reg) { … } static bool max98095_volatile(struct device *dev, unsigned int reg) { … } static const struct regmap_config max98095_regmap = …; /* * Load equalizer DSP coefficient configurations registers */ static void m98095_eq_band(struct snd_soc_component *component, unsigned int dai, unsigned int band, u16 *coefs) { … } /* * Load biquad filter coefficient configurations registers */ static void m98095_biquad_band(struct snd_soc_component *component, unsigned int dai, unsigned int band, u16 *coefs) { … } static const char * const max98095_fltr_mode[] = …; static SOC_ENUM_SINGLE_DECL(max98095_dai1_filter_mode_enum, M98095_02E_DAI1_FILTERS, 7, max98095_fltr_mode); static SOC_ENUM_SINGLE_DECL(max98095_dai2_filter_mode_enum, M98095_038_DAI2_FILTERS, 7, max98095_fltr_mode); static const char * const max98095_extmic_text[] = …; static SOC_ENUM_SINGLE_DECL(max98095_extmic_enum, M98095_087_CFG_MIC, 0, max98095_extmic_text); static const struct snd_kcontrol_new max98095_extmic_mux = …; static const char * const max98095_linein_text[] = …; static SOC_ENUM_SINGLE_DECL(max98095_linein_enum, M98095_086_CFG_LINE, 6, max98095_linein_text); static const struct snd_kcontrol_new max98095_linein_mux = …; static const char * const max98095_line_mode_text[] = …; static SOC_ENUM_SINGLE_DECL(max98095_linein_mode_enum, M98095_086_CFG_LINE, 7, max98095_line_mode_text); static SOC_ENUM_SINGLE_DECL(max98095_lineout_mode_enum, M98095_086_CFG_LINE, 4, max98095_line_mode_text); static const char * const max98095_dai_fltr[] = …; static SOC_ENUM_SINGLE_DECL(max98095_dai1_dac_filter_enum, M98095_02E_DAI1_FILTERS, 0, max98095_dai_fltr); static SOC_ENUM_SINGLE_DECL(max98095_dai2_dac_filter_enum, M98095_038_DAI2_FILTERS, 0, max98095_dai_fltr); static SOC_ENUM_SINGLE_DECL(max98095_dai3_dac_filter_enum, M98095_042_DAI3_FILTERS, 0, max98095_dai_fltr); static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const DECLARE_TLV_DB_RANGE(max98095_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_SCALE(max98095_mic_tlv, 0, 100, 0); static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0); static const DECLARE_TLV_DB_RANGE(max98095_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(max98095_spk_tlv, 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0), 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0), 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0), 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0) ); static const DECLARE_TLV_DB_RANGE(max98095_rcv_lout_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 DECLARE_TLV_DB_RANGE(max98095_lin_tlv, 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0), 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0), 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0) ); static const struct snd_kcontrol_new max98095_snd_controls[] = …; /* Left speaker mixer switch */ static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = …; /* Right speaker mixer switch */ static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = …; /* Left headphone mixer switch */ static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = …; /* Right headphone mixer switch */ static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = …; /* Receiver earpiece mixer switch */ static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = …; /* Left lineout mixer switch */ static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = …; /* Right lineout mixer switch */ static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = …; /* Left ADC mixer switch */ static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = …; /* Right ADC mixer switch */ static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = …; static int max98095_mic_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } /* * The line inputs are stereo inputs with the left and right * channels sharing a common PGA power control signal. */ static int max98095_line_pga(struct snd_soc_dapm_widget *w, int event, u8 channel) { … } static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { … } static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { … } /* * The stereo line out mixer outputs to two stereo line outs. * The 2nd pair has a separate set of enables. */ static int max98095_lineout_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { … } static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = …; static const struct snd_soc_dapm_route max98095_audio_map[] = …; /* codec mclk clock divider coefficients */ static const struct { … } rate_table[] = …; static int rate_value(int rate, u8 *value) { … } static int max98095_dai1_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int max98095_dai2_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int max98095_dai3_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { … } static int max98095_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { … } static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { … } static int max98095_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { … } #define MAX98095_RATES … #define MAX98095_FORMATS … static const struct snd_soc_dai_ops max98095_dai1_ops = …; static const struct snd_soc_dai_ops max98095_dai2_ops = …; static const struct snd_soc_dai_ops max98095_dai3_ops = …; static struct snd_soc_dai_driver max98095_dai[] = …; static int max98095_get_eq_channel(const char *name) { … } static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static void max98095_handle_eq_pdata(struct snd_soc_component *component) { … } static const char *bq_mode_name[] = …; static int max98095_get_bq_channel(struct snd_soc_component *component, const char *name) { … } static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static void max98095_handle_bq_pdata(struct snd_soc_component *component) { … } static void max98095_handle_pdata(struct snd_soc_component *component) { … } static irqreturn_t max98095_report_jack(int irq, void *data) { … } static int max98095_jack_detect_enable(struct snd_soc_component *component) { … } static int max98095_jack_detect_disable(struct snd_soc_component *component) { … } int max98095_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack) { … } EXPORT_SYMBOL_GPL(…); #ifdef CONFIG_PM static int max98095_suspend(struct snd_soc_component *component) { … } static int max98095_resume(struct snd_soc_component *component) { … } #else #define max98095_suspend … #define max98095_resume … #endif static int max98095_reset(struct snd_soc_component *component) { … } static int max98095_probe(struct snd_soc_component *component) { … } static void max98095_remove(struct snd_soc_component *component) { … } static const struct snd_soc_component_driver soc_component_dev_max98095 = …; static const struct i2c_device_id max98095_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, max98095_i2c_id); static int max98095_i2c_probe(struct i2c_client *i2c) { … } #ifdef CONFIG_OF static const struct of_device_id max98095_of_match[] = …; MODULE_DEVICE_TABLE(of, max98095_of_match); #endif static struct i2c_driver max98095_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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