diff options
Diffstat (limited to 'include/linux/iio/buffer-dmaengine.h')
| -rw-r--r-- | include/linux/iio/buffer-dmaengine.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/include/linux/iio/buffer-dmaengine.h b/include/linux/iio/buffer-dmaengine.h index 5b502291d6a4..37f27545f69f 100644 --- a/include/linux/iio/buffer-dmaengine.h +++ b/include/linux/iio/buffer-dmaengine.h @@ -7,10 +7,33 @@ #ifndef __IIO_DMAENGINE_H__ #define __IIO_DMAENGINE_H__ -struct iio_buffer; +#include <linux/iio/buffer.h> + +struct iio_dev; struct device; +struct dma_chan; + +void iio_dmaengine_buffer_teardown(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); +int devm_iio_dmaengine_buffer_setup_with_handle(struct device *dev, + struct iio_dev *indio_dev, + struct dma_chan *chan, + enum iio_buffer_direction dir); -struct iio_buffer *devm_iio_dmaengine_buffer_alloc(struct device *dev, - const char *channel); +#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 |