[linux-block.git] / include / asm-sh / timer.h

#ifndef __ASM_SH_TIMER_H
#define __ASM_SH_TIMER_H

#include <linux/sysdev.h>
#include <linux/clocksource.h>
#include <asm/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;
extern struct clocksource clocksource_sh;

#endif /* __ASM_SH_TIMER_H */
Commit	Line	Data
aa01666d PM	1	#ifndef __ASM_SH_TIMER_H
	2	#define __ASM_SH_TIMER_H
	3
	4	#include <linux/sysdev.h>
57be2b48	5	#include <linux/clocksource.h>
aa01666d PM	6	#include <asm/cpu/timer.h>
	7
	8	struct sys_timer_ops {
	9	int (*init)(void);
3aa770e7 AS	10	int (*start)(void);
3aa770e7 AS	11	int (*stop)(void);
57be2b48	12	cycle_t (*read)(void);
45882145	13	#ifndef CONFIG_GENERIC_TIME
aa01666d	14	unsigned long (*get_offset)(void);
45882145	15	#endif
aa01666d PM	16	};
	17
	18	struct sys_timer {
	19	const char *name;
	20
	21	struct sys_device dev;
	22	struct sys_timer_ops *ops;
	23	};
	24
	25	#define TICK_SIZE (tick_nsec / 1000)
	26
710ee0cc	27	extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
aa01666d PM	28	extern struct sys_timer *sys_timer;
aa01666d PM	29
45882145	30	#ifndef CONFIG_GENERIC_TIME
aa01666d PM	31	static inline unsigned long get_timer_offset(void)
	32	{
	33	return sys_timer->ops->get_offset();
	34	}
45882145	35	#endif
aa01666d	36
aa01666d PM	37	/* arch/sh/kernel/timers/timer.c */
	38	struct sys_timer *get_sys_timer(void);
	39
	40	/* arch/sh/kernel/time.c */
35f3c518	41	void handle_timer_tick(void);
57be2b48 PM	42	extern unsigned long sh_hpt_frequency;
57be2b48 PM	43	extern struct clocksource clocksource_sh;
aa01666d PM	44
aa01666d PM	45	#endif /* __ASM_SH_TIMER_H */