linux/drivers/misc/atmel-ssc.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Atmel SSC driver
 *
 * Copyright (C) 2007 Atmel Corporation
 */

#include <linux/platform_device.h>
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/mutex.h>
#include <linux/atmel-ssc.h>
#include <linux/slab.h>
#include <linux/module.h>

#include <linux/of.h>

#include "../../sound/soc/atmel/atmel_ssc_dai.h"

/* Serialize access to ssc_list and user count */
static DEFINE_MUTEX(user_lock);
static LIST_HEAD(ssc_list);

struct ssc_device *ssc_request(unsigned int ssc_num)
{ … }
EXPORT_SYMBOL(…);

void ssc_free(struct ssc_device *ssc)
{ … }
EXPORT_SYMBOL(…);

static struct atmel_ssc_platform_data at91rm9200_config = …;

static struct atmel_ssc_platform_data at91sam9rl_config = …;

static struct atmel_ssc_platform_data at91sam9g45_config = …;

static const struct platform_device_id atmel_ssc_devtypes[] = …;

#ifdef CONFIG_OF
static const struct of_device_id atmel_ssc_dt_ids[] = …;
MODULE_DEVICE_TABLE(of, atmel_ssc_dt_ids);
#endif

static inline const struct atmel_ssc_platform_data *
	atmel_ssc_get_driver_data(struct platform_device *pdev)
{ … }

#ifdef CONFIG_SND_ATMEL_SOC_SSC
static int ssc_sound_dai_probe(struct ssc_device *ssc)
{ … }

static void ssc_sound_dai_remove(struct ssc_device *ssc)
{ … }
#else
static inline int ssc_sound_dai_probe(struct ssc_device *ssc)
{
	if (of_property_read_bool(ssc->pdev->dev.of_node, "#sound-dai-cells"))
		return -ENOTSUPP;

	return 0;
}

static inline void ssc_sound_dai_remove(struct ssc_device *ssc)
{
}
#endif

static int ssc_probe(struct platform_device *pdev)
{ … }

static void ssc_remove(struct platform_device *pdev)
{ … }

static struct platform_driver ssc_driver = …;
module_platform_driver(…) …;

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