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/* The industrial I/O core - generic buffer interfaces.
 *
 * Copyright (c) 2008 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

#ifndef _IIO_BUFFER_GENERIC_H_
#define _IIO_BUFFER_GENERIC_H_
#include <linux/sysfs.h>
#include <linux/iio/iio.h>

struct iio_buffer;

void iio_buffer_set_attrs(struct iio_buffer *buffer,
			 const struct attribute **attrs);

int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data);

/**
 * iio_push_to_buffers_with_timestamp() - push data and timestamp to buffers
 * @indio_dev:		iio_dev structure for device.
 * @data:		sample data
 * @timestamp:		timestamp for the sample data
 *
 * Pushes data to the IIO device's buffers. If timestamps are enabled for the
 * device the function will store the supplied timestamp as the last element in
 * the sample data buffer before pushing it to the device buffers. The sample
 * data buffer needs to be large enough to hold the additional timestamp
 * (usually the buffer should be indio->scan_bytes bytes large).
 *
 * Returns 0 on success, a negative error code otherwise.
 */
static inline int iio_push_to_buffers_with_timestamp(struct iio_dev *indio_dev,
	void *data, int64_t timestamp)
{
	if (indio_dev->scan_timestamp) {
		size_t ts_offset = indio_dev->scan_bytes / sizeof(int64_t) - 1;
		((int64_t *)data)[ts_offset] = timestamp;
	}

	return iio_push_to_buffers(indio_dev, data);
}

bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev,
				   const unsigned long *mask);

void iio_device_attach_buffer(struct iio_dev *indio_dev,
			      struct iio_buffer *buffer);

#endif /* _IIO_BUFFER_GENERIC_H_ */

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Name Type Size Permission Actions
accel Folder 0755
adc Folder 0755
common Folder 0755
dac Folder 0755
frequency Folder 0755
gyro Folder 0755
imu Folder 0755
magnetometer Folder 0755
timer Folder 0755
buffer-dma.h File 4.56 KB 0644
buffer-dmaengine.h File 389 B 0644
buffer.h File 1.73 KB 0644
buffer_impl.h File 5.18 KB 0644
configfs.h File 405 B 0644
consumer.h File 12.08 KB 0644
driver.h File 832 B 0644
events.h File 2.24 KB 0644
iio.h File 27.09 KB 0644
kfifo_buf.h File 372 B 0644
machine.h File 998 B 0644
sw_device.h File 1.84 KB 0644
sw_trigger.h File 1.88 KB 0644
sysfs.h File 4.73 KB 0644
trigger.h File 5.3 KB 0644
trigger_consumer.h File 1.79 KB 0644
triggered_buffer.h File 781 B 0644
triggered_event.h File 352 B 0644
types.h File 873 B 0644