i8253.h File Reference

#include <linux/param.h>
#include <linux/spinlock.h>
#include <linux/timex.h>

Go to the source code of this file.

Macros
#define	PIT_MODE   0x43
#define	PIT_CH0   0x40
#define	PIT_CH2   0x42
#define	PIT_LATCH   ((PIT_TICK_RATE + HZ/2) / HZ)

Functions
void	clockevent_i8253_init (bool oneshot)
void	setup_pit_timer (void)

Variables
raw_spinlock_t	i8253_lock
struct clock_event_device	i8253_clockevent

Macro Definition Documentation

#define PIT_CH0   0x40

Definition at line 18 of file i8253.h.

#define PIT_CH2   0x42

Definition at line 19 of file i8253.h.

#define PIT_LATCH   ((PIT_TICK_RATE + HZ/2) / HZ)

Definition at line 21 of file i8253.h.

#define PIT_MODE   0x43

Definition at line 17 of file i8253.h.

Function Documentation

void clockevent_i8253_init

(

bool

oneshot

)

void setup_pit_timer

(

void

)

Definition at line 26 of file i8253.c.

Variable Documentation

struct clock_event_device i8253_clockevent

raw_spinlock_t i8253_lock