UbixOS V2: src/sys/include/isa/8259.h Source File

00001 /*****************************************************************************************
00002  Copyright (c) 2002-2004 The UbixOS Project
00003  All rights reserved.
00004 
00005  Redistribution and use in source and binary forms, with or without modification, are
00006  permitted provided that the following conditions are met:
00007 
00008  Redistributions of source code must retain the above copyright notice, this list of
00009  conditions, the following disclaimer and the list of authors.  Redistributions in binary
00010  form must reproduce the above copyright notice, this list of conditions, the following
00011  disclaimer and the list of authors in the documentation and/or other materials provided
00012  with the distribution. Neither the name of the UbixOS Project nor the names of its
00013  contributors may be used to endorse or promote products derived from this software
00014  without specific prior written permission.
00015 
00016  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
00017  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00018  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
00019  THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00020  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00021  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00022  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
00023  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00024  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00025 
00026  $Id: 8259_8h-source.html 88 2016-01-12 00:11:29Z reddawg $
00027 
00028 *****************************************************************************************/
00029 
00030 #ifndef _8259_H
00031 #define _8259_H
00032 
00033 #include <ubixos/types.h>
00034 
00035 #define mPic    0x20 // I/O for master PIC      
00036 #define mImr    0x21 // I/O for master IMR      
00037 #define sPic    0xA0 // I/O for slave PIC       
00038 #define sImr    0xA1 // I/O for slace IMR       
00039 #define eoi     0x20 // EOI command             
00040 #define icw1    0x11 // Cascade, Edge triggered 
00041 #define icw4    0x01 // 8088 mode               
00042 #define mVec    0x68 // Vector for master       
00043 #define sVec    0x70 // Vector for slave        
00044 #define ocw3Irr 0x0A // Read IRR                
00045 #define ocw3Isr 0x0B // Read ISR                
00046 
00047 int i8259_init();
00048 void irqEnable(uInt16 irqNo);
00049 void irqDisable(uInt16 irqNo);
00050 
00051 #endif
00052 
00053 /***
00054  $Log: 8259_8h-source.html,v $
00054  Revision 1.7  2006/12/15 17:47:04  reddawg
00054  Updates
00054 
00055  Revision 1.1.1.1  2006/06/01 12:46:14  reddawg
00056  ubix2
00057 
00058  Revision 1.2  2005/10/12 00:13:36  reddawg
00059  Removed
00060 
00061  Revision 1.1.1.1  2005/09/26 17:23:39  reddawg
00062  no message
00063 
00064  Revision 1.4  2004/07/09 13:20:08  reddawg
00065  Oh yeah duh you can not name functions with numbers
00066 
00067  Revision 1.3  2004/07/09 13:14:29  reddawg
00068  8259: changed init8259 to 8259_init
00069  Adjusted Startup Routines
00070 
00071  Revision 1.2  2004/05/21 14:57:16  reddawg
00072  Cleaned up
00073 
00074  END
00075  ***/