Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
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;
14struct dma_chan;
15
16void iio_dmaengine_buffer_teardown(struct iio_buffer *buffer);
17struct 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
26int 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);
30int 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