intr.h revision 1.10 
1/* 	$NetBSD: intr.h,v 1.10 2007/10/17 19:54:28 garbled Exp $	*/
2
3/*
4 * Copyright (c) 1997 Mark Brinicombe.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Mark Brinicombe
18 *	for the NetBSD Project.
19 * 4. The name of the company nor the name of the author may be used to
20 *    endorse or promote products derived from this software without specific
21 *    prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef _HPCARM_INTR_H_
37#define _HPCARM_INTR_H_
38
39/* Define the various Interrupt Priority Levels */
40
41/* Hardware Interrupt Priority Levels are not mutually exclusive. */
42
43#define IPL_SOFTCLOCK	0
44#define IPL_SOFTNET	1
45#define IPL_BIO		2	/* block I/O */
46#define IPL_NET		3	/* network */
47#define IPL_SOFTSERIAL	4
48#define IPL_TTY		5	/* terminal */
49#define IPL_VM		6	/* memory allocation */
50#define IPL_AUDIO	7	/* audio */
51#define IPL_CLOCK	8	/* clock */
52#define	IPL_STATCLOCK	9
53#define IPL_HIGH	10	/*  */
54#define	IPL_SCHED	IPL_HIGH
55#define	IPL_LOCK	IPL_HIGH
56#define IPL_SERIAL	11	/* serial */
57#define IPL_NONE	12
58
59#define NIPL		13
60
61#define	IST_UNUSABLE	-1	/* interrupt cannot be used */
62#define	IST_NONE	0	/* none (dummy) */
63#define	IST_PULSE	1	/* pulsed */
64#define	IST_EDGE	2	/* edge-triggered */
65#define	IST_LEVEL	3	/* level-triggered */
66
67/* Software interrupt priority levels */
68
69#define SOFTIRQ_CLOCK	0
70#define SOFTIRQ_NET	1
71#define SOFTIRQ_SERIAL	2
72
73#define SOFTIRQ_BIT(x)	(1 << x)
74
75#include <machine/irqhandler.h>
76#include <arm/arm32/psl.h>
77
78#ifndef _LOCORE
79void *softintr_establish(int, void (*)(void *), void *);
80void softintr_disestablish(void *);
81void softintr_schedule(void *);
82void setsoftnet(void);
83#endif
84
85#endif	/* _HPCARM_INTR_H */
86