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The LXR Cross Referencer for SOS

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001 /* Copyright (C) 2004  David Decotigny
002    Copyright (C) 1999  Free Software Foundation, Inc.
003 
004    This program is free software; you can redistribute it and/or
005    modify it under the terms of the GNU General Public License
006    as published by the Free Software Foundation; either version 2
007    of the License, or (at your option) any later version.
008    
009    This program is distributed in the hope that it will be useful,
010    but WITHOUT ANY WARRANTY; without even the implied warranty of
011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012    GNU General Public License for more details.
013    
014    You should have received a copy of the GNU General Public License
015    along with this program; if not, write to the Free Software
016    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
017    USA. 
018 */
019 #ifndef _SOS_i8259_H_
020 #define _SOS_i8259_H_
021 
022 #include <sos/errno.h>
023 
024 /**
025  * @file i8259.h PIC
026  *
027  * PIC Management routines. See the Intel 8259A datasheet (on kos
028  * website), page 9+. Should be not be used directly: only interrupt.c
029  * should use this.
030  *
031  * @see i8259A datasheet on Kos website.
032  */
033 
034 /** Setup PIC and Disable all IRQ lines */
035 sos_ret_t sos_i8259_setup(void);
036 
037 sos_ret_t sos_i8259_enable_irq_line(int numirq);
038 
039 sos_ret_t sos_i8259_disable_irq_line(int numirq);
040 
041 #endif /* _SOS_i8259_H_ */

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