linux/sound/soc/codecs/max98373.c

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2017, Maxim Integrated

#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/cdev.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <linux/gpio/consumer.h>
#include <linux/of.h>
#include <sound/tlv.h>
#include "max98373.h"

static int max98373_dac_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *kcontrol, int event)
{ … }

static const char * const max98373_switch_text[] = …;

static const struct soc_enum dai_sel_enum = …;

static const struct snd_kcontrol_new max98373_dai_controls = …;

static const struct snd_kcontrol_new max98373_vi_control = …;

static const struct snd_kcontrol_new max98373_spkfb_control = …;

static const struct snd_soc_dapm_widget max98373_dapm_widgets[] = …;

static DECLARE_TLV_DB_SCALE(max98373_digital_tlv, -6350, 50, 1);
static const DECLARE_TLV_DB_RANGE(max98373_spk_tlv,
	0, 8, TLV_DB_SCALE_ITEM(0, 50, 0),
	9, 10, TLV_DB_SCALE_ITEM(500, 100, 0),
);
static const DECLARE_TLV_DB_RANGE(max98373_spkgain_max_tlv,
	0, 9, TLV_DB_SCALE_ITEM(800, 100, 0),
);
static const DECLARE_TLV_DB_RANGE(max98373_dht_step_size_tlv,
	0, 1, TLV_DB_SCALE_ITEM(25, 25, 0),
	2, 4, TLV_DB_SCALE_ITEM(100, 100, 0),
);
static const DECLARE_TLV_DB_RANGE(max98373_dht_spkgain_min_tlv,
	0, 9, TLV_DB_SCALE_ITEM(800, 100, 0),
);
static const DECLARE_TLV_DB_RANGE(max98373_dht_rotation_point_tlv,
	0, 1, TLV_DB_SCALE_ITEM(-3000, 500, 0),
	2, 4, TLV_DB_SCALE_ITEM(-2200, 200, 0),
	5, 6, TLV_DB_SCALE_ITEM(-1500, 300, 0),
	7, 9, TLV_DB_SCALE_ITEM(-1000, 200, 0),
	10, 13, TLV_DB_SCALE_ITEM(-500, 100, 0),
	14, 15, TLV_DB_SCALE_ITEM(-100, 50, 0),
);
static const DECLARE_TLV_DB_RANGE(max98373_limiter_thresh_tlv,
	0, 15, TLV_DB_SCALE_ITEM(-1500, 100, 0),
);

static const DECLARE_TLV_DB_RANGE(max98373_bde_gain_tlv,
	0, 60, TLV_DB_SCALE_ITEM(-1500, 25, 0),
);

static const char * const max98373_output_voltage_lvl_text[] = …;

static SOC_ENUM_SINGLE_DECL(max98373_out_volt_enum,
			    MAX98373_R203E_AMP_PATH_GAIN, 0,
			    max98373_output_voltage_lvl_text);

static const char * const max98373_dht_attack_rate_text[] = …;

static SOC_ENUM_SINGLE_DECL(max98373_dht_attack_rate_enum,
			    MAX98373_R20D2_DHT_ATTACK_CFG, 0,
			    max98373_dht_attack_rate_text);

static const char * const max98373_dht_release_rate_text[] = …;

static SOC_ENUM_SINGLE_DECL(max98373_dht_release_rate_enum,
			    MAX98373_R20D3_DHT_RELEASE_CFG, 0,
			    max98373_dht_release_rate_text);

static const char * const max98373_limiter_attack_rate_text[] = …;

static SOC_ENUM_SINGLE_DECL(max98373_limiter_attack_rate_enum,
			    MAX98373_R20E1_LIMITER_ATK_REL_RATES, 4,
			    max98373_limiter_attack_rate_text);

static const char * const max98373_limiter_release_rate_text[] = …;

static SOC_ENUM_SINGLE_DECL(max98373_limiter_release_rate_enum,
			    MAX98373_R20E1_LIMITER_ATK_REL_RATES, 0,
			    max98373_limiter_release_rate_text);

static const char * const max98373_ADC_samplerate_text[] = …;

static SOC_ENUM_SINGLE_DECL(max98373_adc_samplerate_enum,
			    MAX98373_R2051_MEAS_ADC_SAMPLING_RATE, 0,
			    max98373_ADC_samplerate_text);

static int max98373_feedback_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{ … }

static const struct snd_kcontrol_new max98373_snd_controls[] = …;

static const struct snd_soc_dapm_route max98373_audio_map[] = …;

void max98373_reset(struct max98373_priv *max98373, struct device *dev)
{ … }
EXPORT_SYMBOL_GPL(…);

static int max98373_probe(struct snd_soc_component *component)
{ … }

const struct snd_soc_component_driver soc_codec_dev_max98373 = …;
EXPORT_SYMBOL_GPL(…);

static int max98373_sdw_probe(struct snd_soc_component *component)
{ … }

const struct snd_soc_component_driver soc_codec_dev_max98373_sdw = …;
EXPORT_SYMBOL_GPL(…);

void max98373_slot_config(struct device *dev,
			  struct max98373_priv *max98373)
{ … }
EXPORT_SYMBOL_GPL(…);

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;