linux/sound/soc/codecs/rt700-sdw.c

// SPDX-License-Identifier: GPL-2.0
//
// rt700-sdw.c -- rt700 ALSA SoC audio driver
//
// Copyright(c) 2019 Realtek Semiconductor Corp.
//
//

#include <linux/delay.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <linux/soundwire/sdw_registers.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "rt700.h"
#include "rt700-sdw.h"

static bool rt700_readable_register(struct device *dev, unsigned int reg)
{ … }

static bool rt700_volatile_register(struct device *dev, unsigned int reg)
{ … }

static int rt700_sdw_read(void *context, unsigned int reg, unsigned int *val)
{ … }

static int rt700_sdw_write(void *context, unsigned int reg, unsigned int val)
{ … }

static const struct regmap_config rt700_regmap = …;

static const struct regmap_config rt700_sdw_regmap = …;

static int rt700_update_status(struct sdw_slave *slave,
					enum sdw_slave_status status)
{ … }

static int rt700_read_prop(struct sdw_slave *slave)
{ … }

static int rt700_bus_config(struct sdw_slave *slave,
				struct sdw_bus_params *params)
{ … }

static int rt700_interrupt_callback(struct sdw_slave *slave,
					struct sdw_slave_intr_status *status)
{ … }

/*
 * slave_ops: callbacks for get_clock_stop_mode, clock_stop and
 * port_prep are not defined for now
 */
static const struct sdw_slave_ops rt700_slave_ops = …;

static int rt700_sdw_probe(struct sdw_slave *slave,
				const struct sdw_device_id *id)
{ … }

static int rt700_sdw_remove(struct sdw_slave *slave)
{ … }

static const struct sdw_device_id rt700_id[] = …;
MODULE_DEVICE_TABLE(sdw, rt700_id);

static int __maybe_unused rt700_dev_suspend(struct device *dev)
{ … }

static int __maybe_unused rt700_dev_system_suspend(struct device *dev)
{ … }

#define RT700_PROBE_TIMEOUT …

static int __maybe_unused rt700_dev_resume(struct device *dev)
{ … }

static const struct dev_pm_ops rt700_pm = …;

static struct sdw_driver rt700_sdw_driver = …;
module_sdw_driver(…) …;

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