linux/sound/soc/codecs/pcm1789.c

// SPDX-License-Identifier: GPL-2.0
// Audio driver for PCM1789
// Copyright (C) 2018 Bootlin
// Mylène Josserand <[email protected]>

#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/workqueue.h>

#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>

#include "pcm1789.h"

#define PCM1789_MUTE_CONTROL …
#define PCM1789_FMT_CONTROL …
#define PCM1789_SOFT_MUTE …
#define PCM1789_DAC_VOL_LEFT …
#define PCM1789_DAC_VOL_RIGHT …

#define PCM1789_FMT_MASK …
#define PCM1789_MUTE_MASK …
#define PCM1789_MUTE_SRET …

struct pcm1789_private { … };

static const struct reg_default pcm1789_reg_defaults[] = …;

static bool pcm1789_accessible_reg(struct device *dev, unsigned int reg)
{ … }

static bool pcm1789_writeable_reg(struct device *dev, unsigned int reg)
{ … }

static int pcm1789_set_dai_fmt(struct snd_soc_dai *codec_dai,
			       unsigned int format)
{ … }

static int pcm1789_mute(struct snd_soc_dai *codec_dai, int mute, int direction)
{ … }

static int pcm1789_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params,
			     struct snd_soc_dai *codec_dai)
{ … }

static void pcm1789_work_queue(struct work_struct *work)
{ … }

static int pcm1789_trigger(struct snd_pcm_substream *substream, int cmd,
			   struct snd_soc_dai *dai)
{ … }

static const struct snd_soc_dai_ops pcm1789_dai_ops = …;

static const DECLARE_TLV_DB_SCALE(pcm1789_dac_tlv, -12000, 50, 1);

static const struct snd_kcontrol_new pcm1789_controls[] = …;

static const struct snd_soc_dapm_widget pcm1789_dapm_widgets[] = …;

static const struct snd_soc_dapm_route pcm1789_dapm_routes[] = …;

static struct snd_soc_dai_driver pcm1789_dai = …;

const struct regmap_config pcm1789_regmap_config = …;
EXPORT_SYMBOL_GPL(…);

static const struct snd_soc_component_driver soc_component_dev_pcm1789 = …;

int pcm1789_common_init(struct device *dev, struct regmap *regmap)
{ … }
EXPORT_SYMBOL_GPL(…);

void pcm1789_common_exit(struct device *dev)
{ … }
EXPORT_SYMBOL_GPL(…);

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