xref: /openbmc/linux/include/linux/iio/machine.h (revision d2912cb1)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Industrial I/O in kernel access map definitions for board files.
4  *
5  * Copyright (c) 2011 Jonathan Cameron
6  */
7 
8 #ifndef __LINUX_IIO_MACHINE_H__
9 #define __LINUX_IIO_MACHINE_H__
10 
11 /**
12  * struct iio_map - description of link between consumer and device channels
13  * @adc_channel_label:	Label used to identify the channel on the provider.
14  *			This is matched against the datasheet_name element
15  *			of struct iio_chan_spec.
16  * @consumer_dev_name:	Name to uniquely identify the consumer device.
17  * @consumer_channel:	Unique name used to identify the channel on the
18  *			consumer side.
19  * @consumer_data:	Data about the channel for use by the consumer driver.
20  */
21 struct iio_map {
22 	const char *adc_channel_label;
23 	const char *consumer_dev_name;
24 	const char *consumer_channel;
25 	void *consumer_data;
26 };
27 
28 #define IIO_MAP(_provider_channel, _consumer_dev_name, _consumer_channel) \
29 {									  \
30 	.adc_channel_label = _provider_channel,				  \
31 	.consumer_dev_name = _consumer_dev_name,			  \
32 	.consumer_channel  = _consumer_channel,				  \
33 }
34 
35 #endif
36