#ifndef RTC_H
#define RTC_H

#include <stdint.h>

#define MS_TO_NS(ms) ((uint64_t)(ms) * 1000ULL * 1000ULL)
#define NS_TO_MS(ms) ((uint64_t)(ms) / (1000ULL * 1000ULL))

struct rtc_class_ops {
    uint64_t (*read_time)(void);
    void     (*set_time)(uint64_t);
    uint64_t (*read_alarm)(uint64_t);
    void     (*set_alarm)(uint64_t);
    void     (*alarm_irq_enable)(void);
};

uint64_t rtc_time_read(void);
void     rtc_time_set(uint64_t ns);

void     rtc_alarm_set(uint64_t ns);
uint64_t rtc_alarm_read(void);
uint32_t rtc_alarm_status(void);
void     rtc_alarm_clear(void);

void     rtc_irq_clear(void);
uint32_t rtc_irq_enabled(void);

#endif // RTC_H