linux/arch/x86/include/asm/i8253.h
H. Peter Anvin 1965aae3c9 x86: Fix ASM_X86__ header guards
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:

a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-10-22 22:55:23 -07:00

18 lines
348 B
C

#ifndef _ASM_X86_I8253_H
#define _ASM_X86_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_X86_I8253_H */