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001 /* Copyright (C) 2004 David Decotigny 001 /* Copyright (C) 2004 David Decotigny 002 Copyright (C) 1999 Free Software Foundatio << 003 002 004 This program is free software; you can redi 003 This program is free software; you can redistribute it and/or 005 modify it under the terms of the GNU Genera 004 modify it under the terms of the GNU General Public License 006 as published by the Free Software Foundatio 005 as published by the Free Software Foundation; either version 2 007 of the License, or (at your option) any lat 006 of the License, or (at your option) any later version. 008 007 009 This program is distributed in the hope tha 008 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the 009 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU General Public License for more details 011 GNU General Public License for more details. 013 012 014 You should have received a copy of the GNU 013 You should have received a copy of the GNU General Public License 015 along with this program; if not, write to t 014 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place - Suite 3 015 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 017 USA. 016 USA. 018 */ 017 */ 019 #ifndef _SOS_i8259_H_ 018 #ifndef _SOS_i8259_H_ 020 #define _SOS_i8259_H_ 019 #define _SOS_i8259_H_ 021 020 022 #include <sos/errno.h> 021 #include <sos/errno.h> 023 022 024 /** 023 /** 025 * @file i8259.h PIC 024 * @file i8259.h PIC 026 * 025 * 027 * PIC Management routines. See the Intel 8259 026 * PIC Management routines. See the Intel 8259A datasheet (on kos 028 * website), page 9+. Should be not be used di 027 * website), page 9+. Should be not be used directly: only interrupt.c 029 * should use this. 028 * should use this. 030 * 029 * 031 * @see i8259A datasheet on Kos website. 030 * @see i8259A datasheet on Kos website. 032 */ 031 */ 033 032 034 /** Setup PIC and Disable all IRQ lines */ 033 /** Setup PIC and Disable all IRQ lines */ 035 sos_ret_t sos_i8259_subsystem_setup(void); 034 sos_ret_t sos_i8259_subsystem_setup(void); 036 035 037 sos_ret_t sos_i8259_enable_irq_line(int numirq 036 sos_ret_t sos_i8259_enable_irq_line(int numirq); 038 037 039 sos_ret_t sos_i8259_disable_irq_line(int numir 038 sos_ret_t sos_i8259_disable_irq_line(int numirq); 040 039 041 #endif /* _SOS_i8259_H_ */ 040 #endif /* _SOS_i8259_H_ */
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