linux-stable-rt/include/linux/i8253.h

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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Machine specific IO port address definition for generic.
* Written by Osamu Tomita <tomita@cinet.co.jp>
*/
#ifndef __LINUX_I8253_H
#define __LINUX_I8253_H
#include <linux/spinlock.h>
#include <asm/i8253.h>
/* i8253A PIT registers */
#define PIT_MODE 0x43
#define PIT_CH0 0x40
#define PIT_CH2 0x42
#define inb_pit inb_p
#define outb_pit outb_p
extern raw_spinlock_t i8253_lock;
#endif /* __LINUX_I8253_H */