LXR linux/include/linux/platform

   1/*
   2 * Copyright 2005 Simtec Electronics
   3 *      Ben Dooks <ben@simtec.co.uk>
   4 *      http://armlinux.simtec.co.uk/
   5 *
   6 * S3C - HWMon interface for ADC
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11*/
  12
  13#ifndef __HWMON_S3C_H__
  14#define __HWMON_S3C_H__
  15
  16/**
  17 * s3c_hwmon_chcfg - channel configuration
  18 * @name: The name to give this channel.
  19 * @mult: Multiply the ADC value read by this.
  20 * @div: Divide the value from the ADC by this.
  21 *
  22 * The value read from the ADC is converted to a value that
  23 * hwmon expects (mV) by result = (value_read * @mult) / @div.
  24 */
  25struct s3c_hwmon_chcfg {
  26        const char      *name;
  27        unsigned int    mult;
  28        unsigned int    div;
  29};
  30
  31/**
  32 * s3c_hwmon_pdata - HWMON platform data
  33 * @in: One configuration for each possible channel used.
  34 */
  35struct s3c_hwmon_pdata {
  36        struct s3c_hwmon_chcfg  *in[8];
  37};
  38
  39/**
  40 * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device
  41 * @pd: Platform data to register to device.
  42 *
  43 * Register the given platform data for use with the S3C HWMON device.
  44 * The call will copy the platform data, so the board definitions can
  45 * make the structure itself __initdata.
  46 */
  47extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd);
  48
  49#endif /* __HWMON_S3C_H__ */
  50