/* SPDX-License-Identifier: GPL-2.0-only *//* The industrial I/O core - generic buffer interfaces. * * Copyright (c) 2008 Jonathan Cameron */ #ifndef _IIO_BUFFER_GENERIC_H_#define _IIO_BUFFER_GENERIC_H_#include <linux/sysfs.h>#include <linux/iio/iio.h> struct iio_buffer; enum iio_buffer_direction {	IIO_BUFFER_DIRECTION_IN,	IIO_BUFFER_DIRECTION_OUT,}; int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data); int iio_pop_from_buffer(struct iio_buffer *buffer, 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);} int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev,					  const void *data, size_t data_sz,					  int64_t timestamp); bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev,				   const unsigned long *mask); int iio_device_attach_buffer(struct iio_dev *indio_dev,			     struct iio_buffer *buffer); #endif /* _IIO_BUFFER_GENERIC_H_ */