LXR linux/include/linux/platform

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright 2005 Simtec Electronics
   4 *      Ben Dooks <ben@simtec.co.uk>
   5 *      http://armlinux.simtec.co.uk/
   6 *
   7 * S3C - HWMon interface for ADC
   8*/
   9
  10#ifndef __HWMON_S3C_H__
  11#define __HWMON_S3C_H__
  12
  13/**
  14 * s3c_hwmon_chcfg - channel configuration
  15 * @name: The name to give this channel.
  16 * @mult: Multiply the ADC value read by this.
  17 * @div: Divide the value from the ADC by this.
  18 *
  19 * The value read from the ADC is converted to a value that
  20 * hwmon expects (mV) by result = (value_read * @mult) / @div.
  21 */
  22struct s3c_hwmon_chcfg {
  23        const char      *name;
  24        unsigned int    mult;
  25        unsigned int    div;
  26};
  27
  28/**
  29 * s3c_hwmon_pdata - HWMON platform data
  30 * @in: One configuration for each possible channel used.
  31 */
  32struct s3c_hwmon_pdata {
  33        struct s3c_hwmon_chcfg  *in[8];
  34};
  35
  36/**
  37 * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device
  38 * @pd: Platform data to register to device.
  39 *
  40 * Register the given platform data for use with the S3C HWMON device.
  41 * The call will copy the platform data, so the board definitions can
  42 * make the structure itself __initdata.
  43 */
  44extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd);
  45
  46#endif /* __HWMON_S3C_H__ */
  47