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/* Copyright (C) 2004 David Decotigny
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA.
*/
#ifndef _SOS_i8259_H_
#define _SOS_i8259_H_
#include <sos/errno.h>
/**
* @file i8254.h PC programmable timer
*
* Programmable timer routines. See the Intel 82C54 datasheet (on kos
* website).
*
* @see i82C54 datasheet on Kos website.
*/
/** Change timer interrupt (IRQ 0) frequency */
sos_ret_t sos_i8254_set_frequency(unsigned int freq);
#endif /* _SOS_i8259_H_ */