/*
* driver/char/at91_adc.h
*
* Copyright (C) 2007 Embedall Technology Co., Ltd.
*
* Analog-to-digital Converter(ADC) Driver.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef AT91_ADC_H_
#define AT91_ADC_H_
#include <linux/ioctl.h>
#define ADC_VREF (3.3)
#define ADCCTL_RESET _IO ('D', 0)
#define ADCCTL_START _IO ('D', 1)
#define ADCCTL_SETMODE _IOW('D', 2, long)
#define ADCCTL_GETMODE _IOR('D', 3, long)
#define ADCCTL_GETDATA _IOR('D', 4, int)
#define ADCCTL_GETCNT _IOR('D', 5, int)
#define ADCCTL_GETSTATUS _IOR('D', 6, int)
struct adc_mode
{
unsigned int trigger;
#define ADC_TRIGGER_SOFT 0x00
#define ADC_TRIGGER_TIMER 0x01
#define ADC_TRIGGER_EXT 0x08
unsigned int trigger_time;
unsigned int resolution;
#define ADC_M_8BIT 0x01
#define ADC_M_10BIT 0x00
unsigned int sleep_mode;
unsigned int adc_clock;
unsigned int startup_time;
unsigned int sample_time;
};
#endif
