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backend.h

/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _IIO_BACKEND_H_ #define _IIO_BACKEND_H_ #include <linux/types.h> struct fwnode_handle; struct iio_backend; struct device; struct iio_dev; enum iio_backend_data_type { IIO_BACKEND_TWOS_COMPLEMENT, IIO_BACKEND_OFFSET_BINARY, IIO_BACKEND_DATA_TYPE_MAX }; /** * struct iio_backend_data_fmt - Backend data format * @type: Data type. * @sign_extend: Bool to tell if the data is sign extended. * @enable: Enable/Disable the data format module. If disabled, * not formatting will happen. */ struct iio_backend_data_fmt { enum iio_backend_data_type type; bool sign_extend; bool enable; }; /** * struct iio_backend_ops - operations structure for an iio_backend * @enable: Enable backend. * @disable: Disable backend. * @chan_enable: Enable one channel. * @chan_disable: Disable one channel. * @data_format_set: Configure the data format for a specific channel. * @request_buffer: Request an IIO buffer. * @free_buffer: Free an IIO buffer. **/ struct iio_backend_ops { int (*enable)(struct iio_backend *back); void (*disable)(struct iio_backend *back); int (*chan_enable)(struct iio_backend *back, unsigned int chan); int (*chan_disable)(struct iio_backend *back, unsigned int chan); int (*data_format_set)(struct iio_backend *back, unsigned int chan, const struct iio_backend_data_fmt *data); struct iio_buffer *(*request_buffer)(struct iio_backend *back, struct iio_dev *indio_dev); void (*free_buffer)(struct iio_backend *back, struct iio_buffer *buffer); }; int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan); int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan); int devm_iio_backend_enable(struct device *dev, struct iio_backend *back); int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan, const struct iio_backend_data_fmt *data); int devm_iio_backend_request_buffer(struct device *dev, struct iio_backend *back, struct iio_dev *indio_dev); void *iio_backend_get_priv(const struct iio_backend *conv); struct iio_backend *devm_iio_backend_get(struct device *dev, const char *name); struct iio_backend * __devm_iio_backend_get_from_fwnode_lookup(struct device *dev, struct fwnode_handle *fwnode); int devm_iio_backend_register(struct device *dev, const struct iio_backend_ops *ops, void *priv); #endif

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docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

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curdir: /usr/src/linux-headers-6.8.0-100/include/linux/iio

	.		4096
	..		69632
	accel		4096
	adc		4096
	afe		4096
X	backend.h		2425
X	buffer-dma.h		4564
X	buffer-dmaengine.h		524
X	buffer.h		1817
X	buffer_impl.h		5711
	common		4096
X	configfs.h		259
X	consumer.h		15887
	dac		4096
X	driver.h		1373
X	events.h		2150
	frequency		4096
	gyro		4096
X	hw-consumer.h		602
X	iio-gts-helper.h		6342
X	iio-opaque.h		3303
X	iio.h		29841
	imu		4096
X	kfifo_buf.h		640
X	machine.h		1089
X	sw_device.h		1586
X	sw_trigger.h		1621
X	sysfs.h		5176
	timer		4096
X	trigger.h		5295
X	trigger_consumer.h		1450
X	triggered_buffer.h		1311
X	triggered_event.h		352
X	types.h		1851