Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
12struct iio_dev;
13struct device;
14
15void iio_dmaengine_buffer_free(struct iio_buffer *buffer);
16struct iio_buffer *iio_dmaengine_buffer_setup_ext(struct device *dev,
17 struct iio_dev *indio_dev,
18 const char *channel,
19 enum iio_buffer_direction dir);
20
21#define iio_dmaengine_buffer_setup(dev, indio_dev, channel) \
22 iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \
23 IIO_BUFFER_DIRECTION_IN)
24
25int devm_iio_dmaengine_buffer_setup_ext(struct device *dev,
26 struct iio_dev *indio_dev,
27 const char *channel,
28 enum iio_buffer_direction dir);
29
30#define devm_iio_dmaengine_buffer_setup(dev, indio_dev, channel) \
31 devm_iio_dmaengine_buffer_setup_ext(dev, indio_dev, channel, \
32 IIO_BUFFER_DIRECTION_IN)
33
34#endif