| 1 | /* |
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| 2 | * pic.h - Programmable Interrupt Controller driver interface |
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| 3 | * |
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| 4 | * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless |
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| 5 | * Copyright (c) 2011,2012 UPMC Sorbonne Universites |
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| 6 | * |
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| 7 | * This file is part of ALMOS-kernel. |
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| 8 | * |
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| 9 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
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| 10 | * under the terms of the GNU General Public License as published by |
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| 11 | * the Free Software Foundation; version 2.0 of the License. |
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| 12 | * |
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| 13 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
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| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
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| 20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef _PIC_ICU_H_ |
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| 24 | #define _PIC_ICU_H_ |
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| 25 | |
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| 26 | #define PIC_IRQ_MAX 64 // IRQ input lines (see __kentry.S) |
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| 27 | |
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| 28 | /* PIC mapped registers offset */ |
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| 29 | #define PIC_CMD_REG 0 /* Command Register */ |
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| 30 | #define PIC_STATUS_REG 0 /* Status Register */ |
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| 31 | #define PIC_IMR_REG 1 /* Interrupt Mask Register */ |
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| 32 | #define PIC_DATA_REG 1 /* Data Register */ |
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| 33 | |
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| 34 | struct irq_action_s; |
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| 35 | struct device_s; |
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| 36 | extern struct irq_action_s *irq_vector[]; |
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| 37 | |
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| 38 | void ibmpc_pic_init(struct device_s *pic, void *base, uint_t irq); |
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| 39 | void ibmpc_pic_bind(struct device_s *pic, struct device_s *dev); |
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| 40 | |
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| 41 | #endif /* _PIC_ICU_H_ */ |
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