/* SPDX-License-Identifier: GPL-2.0 */
/*
 * goldfish-timer clocksource
 * Registers definition for the goldfish-timer device
 */

#ifndef _CLOCKSOURCE_TIMER_GOLDFISH_H
#define _CLOCKSOURCE_TIMER_GOLDFISH_H

/*
 * TIMER_TIME_LOW        get low bits of current time and update TIMER_TIME_HIGH
 * TIMER_TIME_HIGH       get high bits of time at last TIMER_TIME_LOW read
 * TIMER_ALARM_LOW       set low bits of alarm and activate it
 * TIMER_ALARM_HIGH      set high bits of next alarm
 * TIMER_IRQ_ENABLED     enable alarm interrupt
 * TIMER_CLEAR_ALARM     disarm an existing alarm
 * TIMER_ALARM_STATUS    alarm status (running or not)
 * TIMER_CLEAR_INTERRUPT clear interrupt
 */
#define TIMER_TIME_LOW          0x00
#define TIMER_TIME_HIGH         0x04
#define TIMER_ALARM_LOW         0x08
#define TIMER_ALARM_HIGH        0x0c
#define TIMER_IRQ_ENABLED       0x10
#define TIMER_CLEAR_ALARM       0x14
#define TIMER_ALARM_STATUS      0x18
#define TIMER_CLEAR_INTERRUPT   0x1c

extern int goldfish_timer_init(int irq, void __iomem *base);

#endif /* _CLOCKSOURCE_TIMER_GOLDFISH_H */