63 lines
1.3 KiB
C
63 lines
1.3 KiB
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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int (*start)(void);
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int (*stop)(void);
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#ifndef CONFIG_GENERIC_TIME
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unsigned long (*get_offset)(void);
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#endif
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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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#ifdef CONFIG_NO_IDLE_HZ
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struct dyn_tick_timer *dyn_tick;
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#endif
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};
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#ifdef CONFIG_NO_IDLE_HZ
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#define DYN_TICK_ENABLED (1 << 1)
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struct dyn_tick_timer {
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spinlock_t lock;
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unsigned int state; /* Current state */
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int (*enable)(void); /* Enables dynamic tick */
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int (*disable)(void); /* Disables dynamic tick */
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void (*reprogram)(unsigned long); /* Reprograms the timer */
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int (*handler)(int, void *);
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};
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void timer_dyn_reprogram(void);
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#else
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#define timer_dyn_reprogram() do { } while (0)
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#endif
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#define TICK_SIZE (tick_nsec / 1000)
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extern struct sys_timer tmu_timer, cmt_timer, mtu2_timer;
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extern struct sys_timer *sys_timer;
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#ifndef CONFIG_GENERIC_TIME
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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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#endif
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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(void);
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#endif /* __ASM_SH_TIMER_H */
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