include/linux/iio/machine.h

   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