at91_adc.h

Go to the documentation of this file.

/*
 * Copyright (C) 2011 Free Electrons
 *
 * Licensed under the GPLv2 or later.
 */

#ifndef _AT91_ADC_H_
#define _AT91_ADC_H_

struct at91_adc_reg_desc {
    u8  channel_base;
    u32 drdy_mask;
    u8  status_register;
    u8  trigger_register;
};

struct at91_adc_trigger {
    const char  *name;
    u8      value;
    bool        is_external;
};

struct at91_adc_data {
    unsigned long           channels_used;
    u8              num_channels;
    struct at91_adc_reg_desc    *registers;
    u8              startup_time;
    struct at91_adc_trigger     *trigger_list;
    u8              trigger_number;
    bool                use_external_triggers;
    u16             vref;
};

extern void __init at91_add_device_adc(struct at91_adc_data *data);
#endif