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