summaryrefslogtreecommitdiff
path: root/include/linux/iio/buffer-dmaengine.h
blob: 81d9a19aeb9199dd58bb9d35a91f0ec4b00846df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* 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;

void iio_dmaengine_buffer_free(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);

#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