aa01666df3
This builds on some of the clock framework code to support a simple system timer interface. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
43 lines
805 B
C
43 lines
805 B
C
#ifndef __ASM_SH_TIMER_H
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#define __ASM_SH_TIMER_H
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#include <linux/sysdev.h>
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#include <asm/cpu/timer.h>
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struct sys_timer_ops {
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int (*init)(void);
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unsigned long (*get_offset)(void);
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unsigned long (*get_frequency)(void);
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};
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struct sys_timer {
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const char *name;
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struct sys_device dev;
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struct sys_timer_ops *ops;
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};
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#define TICK_SIZE (tick_nsec / 1000)
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extern struct sys_timer tmu_timer;
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extern struct sys_timer *sys_timer;
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static inline unsigned long get_timer_offset(void)
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{
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return sys_timer->ops->get_offset();
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}
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static inline unsigned long get_timer_frequency(void)
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{
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return sys_timer->ops->get_frequency();
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}
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/* arch/sh/kernel/timers/timer.c */
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struct sys_timer *get_sys_timer(void);
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/* arch/sh/kernel/time.c */
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void handle_timer_tick(struct pt_regs *);
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#endif /* __ASM_SH_TIMER_H */
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