linux_dsm_epyc7002/include/linux/iio/buffer-dmaengine.h

/* 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__

struct iio_buffer;
struct device;

struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
	const char *channel);
void iio_dmaengine_buffer_free(struct iio_buffer *buffer);

#endif
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 Based on 1 normalized pattern(s): licensed under the gpl 2 or later extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 82 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190524100845.150836982@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-05-24 17:04:09 +07:00			`/* SPDX-License-Identifier: GPL-2.0-or-later */`
iio: Add a DMAengine framework based buffer Add a generic fully device independent DMA buffer implementation that uses the DMAegnine framework to perform the DMA transfers. This can be used by converter drivers that whish to provide a DMA buffer for converters that are connected to a DMA core that implements the DMAengine API. Apart from allocating the buffer using iio_dmaengine_buffer_alloc() and freeing it using iio_dmaengine_buffer_free() no additional converter driver specific code is required when using this DMA buffer implementation. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> 2015-10-13 23:10:29 +07:00			`/*`
			`* Copyright 2014-2015 Analog Devices Inc.`
			`* Author: Lars-Peter Clausen <lars@metafoo.de>`
			`*/`

			`#ifndef __IIO_DMAENGINE_H__`
			`#define __IIO_DMAENGINE_H__`

			`struct iio_buffer;`
			`struct device;`

			`struct iio_buffer iio_dmaengine_buffer_alloc(struct device dev,`
			`const char *channel);`
			`void iio_dmaengine_buffer_free(struct iio_buffer *buffer);`

			`#endif`