root/include/linux/dw_apb_timer.h

/*
 * (C) Copyright 2009 Intel Corporation
 * Author: Jacob Pan (jacob.jun.pan@intel.com)
 *
 * Shared with ARM platforms, Jamie Iles, Picochip 2011
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Support for the Synopsys DesignWare APB Timers.
 */
#ifndef __DW_APB_TIMER_H__
#define __DW_APB_TIMER_H__

#include <linux/clockchips.h>
#include <linux/clocksource.h>
#include <linux/interrupt.h>

#define APBTMRS_REG_SIZE       0x14

struct dw_apb_timer {
        void __iomem                            *base;
        unsigned long                           freq;
        int                                     irq;
};

struct dw_apb_clock_event_device {
        struct clock_event_device               ced;
        struct dw_apb_timer                     timer;
        struct irqaction                        irqaction;
        void                                    (*eoi)(struct dw_apb_timer *);
};

struct dw_apb_clocksource {
        struct dw_apb_timer                     timer;
        struct clocksource                      cs;
};

void dw_apb_clockevent_register(struct dw_apb_clock_event_device *dw_ced);
void dw_apb_clockevent_pause(struct dw_apb_clock_event_device *dw_ced);
void dw_apb_clockevent_resume(struct dw_apb_clock_event_device *dw_ced);
void dw_apb_clockevent_stop(struct dw_apb_clock_event_device *dw_ced);

struct dw_apb_clock_event_device *
dw_apb_clockevent_init(int cpu, const char *name, unsigned rating,
                       void __iomem *base, int irq, unsigned long freq);
struct dw_apb_clocksource *
dw_apb_clocksource_init(unsigned rating, const char *name, void __iomem *base,
                        unsigned long freq);
void dw_apb_clocksource_register(struct dw_apb_clocksource *dw_cs);
void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs);
cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs);

#endif /* __DW_APB_TIMER_H__ */