1 #ifndef __ASM_I8253_H__
2 #define __ASM_I8253_H__
5 # include <asm/8253pit.h>
8 /* i8253A PIT registers */
13 extern spinlock_t i8253_lock;
15 #ifdef CONFIG_GENERIC_CLOCKEVENTS
17 extern struct clock_event_device *global_clock_event;
19 extern void setup_pit_timer(void);
23 #endif /* __ASM_I8253_H__ */