aboutsummaryrefslogblamecommitdiffstats
path: root/include/asm-x86/i8253.h
blob: b51c0487fc41d6aec43c7db474e80abd0330d50d (plain) (tree)
1
2
3
4
5
6
7
8
9
10


                       






                                    



                                                     


                              
                             
#ifndef __ASM_I8253_H__
#define __ASM_I8253_H__

/* i8253A PIT registers */
#define PIT_MODE		0x43
#define PIT_CH0			0x40
#define PIT_CH2			0x42

extern spinlock_t i8253_lock;

extern struct clock_event_device *global_clock_event;

extern void setup_pit_timer(void);

#define inb_pit		inb_p
#define outb_pit	outb_p

#endif	/* __ASM_I8253_H__ */