[linux-block.git] / include / linux / iio / buffer-dmaengine.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 2014-2015 Analog Devices Inc.
 *  Author: Lars-Peter Clausen <lars@metafoo.de>
 */

#ifndef __IIO_DMAENGINE_H__
#define __IIO_DMAENGINE_H__

#include <linux/iio/buffer.h>

struct iio_dev;
struct device;
struct dma_chan;

void iio_dmaengine_buffer_teardown(struct iio_buffer *buffer);
struct iio_buffer *iio_dmaengine_buffer_setup_ext(struct device *dev,
						  struct iio_dev *indio_dev,
						  const char *channel,
						  enum iio_buffer_direction dir);

#define iio_dmaengine_buffer_setup(dev, indio_dev, channel)	\
	iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel,	\
				       IIO_BUFFER_DIRECTION_IN)

int devm_iio_dmaengine_buffer_setup_ext(struct device *dev,
					struct iio_dev *indio_dev,
					const char *channel,
					enum iio_buffer_direction dir);
int devm_iio_dmaengine_buffer_setup_with_handle(struct device *dev,
						struct iio_dev *indio_dev,
						struct dma_chan *chan,
						enum iio_buffer_direction dir);

#define devm_iio_dmaengine_buffer_setup(dev, indio_dev, channel)	\
	devm_iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel,	\
					    IIO_BUFFER_DIRECTION_IN)

#endif
Commit	Line	Data
	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
	2	/*
	3	* Copyright 2014-2015 Analog Devices Inc.
	4	* Author: Lars-Peter Clausen <lars@metafoo.de>
	5	*/
	6
	7	#ifndef __IIO_DMAENGINE_H__
	8	#define __IIO_DMAENGINE_H__
	9
	10	#include <linux/iio/buffer.h>
	11
	12	struct iio_dev;
	13	struct device;
	14	struct dma_chan;
	15
	16	void iio_dmaengine_buffer_teardown(struct iio_buffer *buffer);
	17	struct iio_buffer iio_dmaengine_buffer_setup_ext(struct device dev,
	18	struct iio_dev *indio_dev,
	19	const char *channel,
	20	enum iio_buffer_direction dir);
	21
	22	#define iio_dmaengine_buffer_setup(dev, indio_dev, channel) \
	23	iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \
	24	IIO_BUFFER_DIRECTION_IN)
	25
	26	int devm_iio_dmaengine_buffer_setup_ext(struct device *dev,
	27	struct iio_dev *indio_dev,
	28	const char *channel,
	29	enum iio_buffer_direction dir);
	30	int devm_iio_dmaengine_buffer_setup_with_handle(struct device *dev,
	31	struct iio_dev *indio_dev,
	32	struct dma_chan *chan,
	33	enum iio_buffer_direction dir);
	34
	35	#define devm_iio_dmaengine_buffer_setup(dev, indio_dev, channel) \
	36	devm_iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \
	37	IIO_BUFFER_DIRECTION_IN)
	38
	39	#endif