source: trunk/kernel/drivers/ibmpc/pic.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

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