projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 80503b23 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2d6ca60f LPC |
2 | /* |
| 3 | * Copyright 2014-2015 Analog Devices Inc. | |
| 4 | * Author: Lars-Peter Clausen <lars@metafoo.de> | |
| 2d6ca60f LPC |
5 | */ |
| 6 | ||
| 7 | #ifndef __IIO_DMAENGINE_H__ | |
| 8 | #define __IIO_DMAENGINE_H__ | |
| 9 | ||
| c1b91566 PC |
10 | #include <linux/iio/buffer.h> |
| 11 | ||
| a02c09e4 | 12 | struct iio_dev; |
| 2d6ca60f | 13 | struct device; |
| 79f24971 | 14 | struct dma_chan; |
| 2d6ca60f | 15 | |
| 4fe7fd17 | 16 | void iio_dmaengine_buffer_teardown(struct iio_buffer *buffer); |
| c1b91566 PC |
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); | |
| 79f24971 DL |
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); | |
| c1b91566 PC |
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) | |
| e0fcca9f | 38 | |
| 2d6ca60f | 39 | #endif |