original_kernel/include/linux/iio/buffer-dmaengine.h

35 lines
989 B
C

/* 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