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kernel/linux-rt-4.4.41/include/linux/platform_data/hwmon-s3c.h 1.33 KB
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  /*
   * Copyright 2005 Simtec Electronics
   *	Ben Dooks <ben@simtec.co.uk>
   *	http://armlinux.simtec.co.uk/
   *
   * S3C - HWMon interface for ADC
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
  */
  
  #ifndef __HWMON_S3C_H__
  #define __HWMON_S3C_H__
  
  /**
   * s3c_hwmon_chcfg - channel configuration
   * @name: The name to give this channel.
   * @mult: Multiply the ADC value read by this.
   * @div: Divide the value from the ADC by this.
   *
   * The value read from the ADC is converted to a value that
   * hwmon expects (mV) by result = (value_read * @mult) / @div.
   */
  struct s3c_hwmon_chcfg {
  	const char	*name;
  	unsigned int	mult;
  	unsigned int	div;
  };
  
  /**
   * s3c_hwmon_pdata - HWMON platform data
   * @in: One configuration for each possible channel used.
   */
  struct s3c_hwmon_pdata {
  	struct s3c_hwmon_chcfg	*in[8];
  };
  
  /**
   * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device
   * @pd: Platform data to register to device.
   *
   * Register the given platform data for use with the S3C HWMON device.
   * The call will copy the platform data, so the board definitions can
   * make the structure itself __initdata.
   */
  extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd);
  
  #endif /* __HWMON_S3C_H__ */