[deliverable/linux.git] / sound / soc / codecs / sigmadsp-regmap.c

/*
 * Load Analog Devices SigmaStudio firmware files
 *
 * Copyright 2009-2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/regmap.h>
#include <linux/export.h>
#include <linux/module.h>

#include "sigmadsp.h"

static int sigmadsp_write_regmap(void *control_data,
	unsigned int addr, const uint8_t data[], size_t len)
{
	return regmap_raw_write(control_data, addr,
		data, len);
}

static int sigmadsp_read_regmap(void *control_data,
	unsigned int addr, uint8_t data[], size_t len)
{
	return regmap_raw_read(control_data, addr,
		data, len);
}

/**
 * devm_sigmadsp_init_i2c() - Initialize SigmaDSP instance
 * @dev: The parent device
 * @regmap: Regmap instance to use
 * @ops: The sigmadsp_ops to use for this instance
 * @firmware_name: Name of the firmware file to load
 *
 * Allocates a SigmaDSP instance and loads the specified firmware file.
 *
 * Returns a pointer to a struct sigmadsp on success, or a PTR_ERR() on error.
 */
struct sigmadsp *devm_sigmadsp_init_regmap(struct device *dev,
	struct regmap *regmap, const struct sigmadsp_ops *ops,
	const char *firmware_name)
{
	struct sigmadsp *sigmadsp;

	sigmadsp = devm_sigmadsp_init(dev, ops, firmware_name);
	if (IS_ERR(sigmadsp))
		return sigmadsp;

	sigmadsp->control_data = regmap;
	sigmadsp->write = sigmadsp_write_regmap;
	sigmadsp->read = sigmadsp_read_regmap;

	return sigmadsp;
}
EXPORT_SYMBOL_GPL(devm_sigmadsp_init_regmap);

MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("SigmaDSP regmap firmware loader");
MODULE_LICENSE("GPL");
Commit	Line	Data
	1	/*
	2	* Load Analog Devices SigmaStudio firmware files
	3	*
	4	* Copyright 2009-2011 Analog Devices Inc.
	5	*
	6	* Licensed under the GPL-2 or later.
	7	*/
	8
	9	#include <linux/regmap.h>
	10	#include <linux/export.h>
	11	#include <linux/module.h>
	12
	13	#include "sigmadsp.h"
	14
	15	static int sigmadsp_write_regmap(void *control_data,
	16	unsigned int addr, const uint8_t data[], size_t len)
	17	{
	18	return regmap_raw_write(control_data, addr,
	19	data, len);
	20	}
	21
	22	static int sigmadsp_read_regmap(void *control_data,
	23	unsigned int addr, uint8_t data[], size_t len)
	24	{
	25	return regmap_raw_read(control_data, addr,
	26	data, len);
	27	}
	28
	29	/**
	30	* devm_sigmadsp_init_i2c() - Initialize SigmaDSP instance
	31	* @dev: The parent device
	32	* @regmap: Regmap instance to use
	33	* @ops: The sigmadsp_ops to use for this instance
	34	* @firmware_name: Name of the firmware file to load
	35	*
	36	* Allocates a SigmaDSP instance and loads the specified firmware file.
	37	*
	38	* Returns a pointer to a struct sigmadsp on success, or a PTR_ERR() on error.
	39	*/
	40	struct sigmadsp devm_sigmadsp_init_regmap(struct device dev,
	41	struct regmap regmap, const struct sigmadsp_ops ops,
	42	const char *firmware_name)
	43	{
	44	struct sigmadsp *sigmadsp;
	45
	46	sigmadsp = devm_sigmadsp_init(dev, ops, firmware_name);
	47	if (IS_ERR(sigmadsp))
	48	return sigmadsp;
	49
	50	sigmadsp->control_data = regmap;
	51	sigmadsp->write = sigmadsp_write_regmap;
	52	sigmadsp->read = sigmadsp_read_regmap;
	53
	54	return sigmadsp;
	55	}
	56	EXPORT_SYMBOL_GPL(devm_sigmadsp_init_regmap);
	57
	58	MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
	59	MODULE_DESCRIPTION("SigmaDSP regmap firmware loader");
	60	MODULE_LICENSE("GPL");