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