arch/mips/include/asm/i8253.h

   1 /*
   2  *  Machine specific IO port address definition for generic.
   3  *  Written by Osamu Tomita <tomita@cinet.co.jp>
   4  */
   5 #ifndef __ASM_I8253_H
   6 #define __ASM_I8253_H
   7
   8 #include <linux/spinlock.h>
   9
  10 /* i8253A PIT registers */
  11 #define PIT_MODE                0x43
  12 #define PIT_CH0                 0x40
  13 #define PIT_CH2                 0x42
  14
  15 #define PIT_LATCH               LATCH
  16
  17 extern raw_spinlock_t i8253_lock;
  18
  19 extern void setup_pit_timer(void);
  20
  21 #define inb_pit inb_p
  22 #define outb_pit outb_p
  23
  24 #endif /* __ASM_I8253_H */