8259.h

/**************************************************************************************
 Copyright (c) 2002 The UbixOS Project
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 $Id$

**************************************************************************************/

#ifndef _8259_H
#define _8259_H

#include <ubixos/types.h>

#define mPic    0x20 // I/O for master PIC      
#define mImr    0x21 // I/O for master IMR      
#define sPic    0xA0 // I/O for slave PIC       
#define sImr    0xA1 // I/O for slace IMR       
#define eoi     0x20 // EOI command             
#define icw1    0x11 // Cascade, Edge triggered 
#define icw4    0x01 // 8088 mode               
#define mVec    0x68 // Vector for master       
#define sVec    0x70 // Vector for slave        
#define ocw3Irr 0x0A // Read IRR                
#define ocw3Isr 0x0B // Read ISR                

int init8259();
void irqEnable(uInt16 irqNo);
void irqDisable(uInt16 irqNo);

#endif

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