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File: [Development] / linux-2.6-xfs / arch / sh / include / asm / timer.h (download)

Revision 1.1, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

Merge up to 2.6.27-rc8
Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd.

#ifndef __ASM_SH_TIMER_H
#define __ASM_SH_TIMER_H

#include <linux/sysdev.h>
#include <linux/clocksource.h>
#include <cpu/timer.h>

struct sys_timer_ops {
	int (*init)(void);
	int (*start)(void);
	int (*stop)(void);
	cycle_t (*read)(void);
#ifndef CONFIG_GENERIC_TIME
	unsigned long (*get_offset)(void);
#endif
};

struct sys_timer {
	const char		*name;

	struct sys_device	dev;
	struct sys_timer_ops	*ops;
};

#define TICK_SIZE (tick_nsec / 1000)

extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
extern struct sys_timer *sys_timer;

#ifndef CONFIG_GENERIC_TIME
static inline unsigned long get_timer_offset(void)
{
	return sys_timer->ops->get_offset();
}
#endif

/* arch/sh/kernel/timers/timer.c */
struct sys_timer *get_sys_timer(void);

/* arch/sh/kernel/time.c */
void handle_timer_tick(void);
extern unsigned long sh_hpt_frequency;

#endif /* __ASM_SH_TIMER_H */