/*

 * 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