irqhandler.h revision 1.3.8.2 1 1.3.8.2 nathanw /* $NetBSD: irqhandler.h,v 1.3.8.2 2002/01/08 00:24:54 nathanw Exp $ */
2 1.3.8.2 nathanw
3 1.3.8.2 nathanw /*
4 1.3.8.2 nathanw * Copyright (c) 1994-1996 Mark Brinicombe.
5 1.3.8.2 nathanw * Copyright (c) 1994 Brini.
6 1.3.8.2 nathanw * All rights reserved.
7 1.3.8.2 nathanw *
8 1.3.8.2 nathanw * This code is derived from software written for Brini by Mark Brinicombe
9 1.3.8.2 nathanw *
10 1.3.8.2 nathanw * Redistribution and use in source and binary forms, with or without
11 1.3.8.2 nathanw * modification, are permitted provided that the following conditions
12 1.3.8.2 nathanw * are met:
13 1.3.8.2 nathanw * 1. Redistributions of source code must retain the above copyright
14 1.3.8.2 nathanw * notice, this list of conditions and the following disclaimer.
15 1.3.8.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
16 1.3.8.2 nathanw * notice, this list of conditions and the following disclaimer in the
17 1.3.8.2 nathanw * documentation and/or other materials provided with the distribution.
18 1.3.8.2 nathanw * 3. All advertising materials mentioning features or use of this software
19 1.3.8.2 nathanw * must display the following acknowledgement:
20 1.3.8.2 nathanw * This product includes software developed by Mark Brinicombe
21 1.3.8.2 nathanw * for the NetBSD Project.
22 1.3.8.2 nathanw * 4. The name of the company nor the name of the author may be used to
23 1.3.8.2 nathanw * endorse or promote products derived from this software without specific
24 1.3.8.2 nathanw * prior written permission.
25 1.3.8.2 nathanw *
26 1.3.8.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
27 1.3.8.2 nathanw * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 1.3.8.2 nathanw * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 1.3.8.2 nathanw * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 1.3.8.2 nathanw * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 1.3.8.2 nathanw * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 1.3.8.2 nathanw * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 1.3.8.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 1.3.8.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 1.3.8.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 1.3.8.2 nathanw * SUCH DAMAGE.
37 1.3.8.2 nathanw *
38 1.3.8.2 nathanw * IRQ related stuff (defines + structures)
39 1.3.8.2 nathanw *
40 1.3.8.2 nathanw * Created : 30/09/94
41 1.3.8.2 nathanw */
42 1.3.8.2 nathanw
43 1.3.8.2 nathanw #ifndef _HPCARM_IRQHANDLER_H_
44 1.3.8.2 nathanw #define _HPCARM_IRQHANDLER_H_
45 1.3.8.2 nathanw
46 1.3.8.2 nathanw #if defined(_KERNEL_OPT)
47 1.3.8.2 nathanw #include "opt_cputypes.h"
48 1.3.8.2 nathanw #endif
49 1.3.8.2 nathanw
50 1.3.8.2 nathanw #ifndef _LOCORE
51 1.3.8.2 nathanw #include <sys/types.h>
52 1.3.8.2 nathanw #endif /* _LOCORE */
53 1.3.8.2 nathanw
54 1.3.8.2 nathanw /* Define the IRQ bits */
55 1.3.8.2 nathanw
56 1.3.8.2 nathanw #define IRQ_VSYNC IRQ_FLYBACK /* Aliased */
57 1.3.8.2 nathanw #define IRQ_NETSLOT IRQ_EXTENDED
58 1.3.8.2 nathanw
59 1.3.8.2 nathanw #define IRQ_INSTRUCT -1
60 1.3.8.2 nathanw /* XXX ICU_LEN is used for the same purpose. Either one should be nuked */
61 1.3.8.2 nathanw #define NIRQS 0x20
62 1.3.8.2 nathanw
63 1.3.8.2 nathanw #include <machine/intr.h>
64 1.3.8.2 nathanw
65 1.3.8.2 nathanw #ifndef _LOCORE
66 1.3.8.2 nathanw typedef struct irqhandler {
67 1.3.8.2 nathanw int (*ih_func) __P((void *arg));/* handler function */
68 1.3.8.2 nathanw void *ih_arg; /* Argument to handler */
69 1.3.8.2 nathanw int ih_level; /* Interrupt level */
70 1.3.8.2 nathanw int ih_count; /* Interrupt number (for accounting) */
71 1.3.8.2 nathanw int ih_irq; /* Interrupt register pin */
72 1.3.8.2 nathanw const char *ih_name; /* Name of interrupt (for vmstat -i) */
73 1.3.8.2 nathanw u_int ih_flags; /* Interrupt flags */
74 1.3.8.2 nathanw u_int ih_maskaddr; /* mask address for expansion cards */
75 1.3.8.2 nathanw u_int ih_maskbits; /* interrupt bit for expansion cards */
76 1.3.8.2 nathanw struct irqhandler *ih_next; /* next handler */
77 1.3.8.2 nathanw } irqhandler_t;
78 1.3.8.2 nathanw
79 1.3.8.2 nathanw #ifdef _KERNEL
80 1.3.8.2 nathanw extern u_int imask[NIPL];
81 1.3.8.2 nathanw extern irqhandler_t *irqhandlers[NIRQS];
82 1.3.8.2 nathanw
83 1.3.8.2 nathanw void irq_init __P((void));
84 1.3.8.2 nathanw void irq_setmasks __P((void));
85 1.3.8.2 nathanw void disable_irq __P((int));
86 1.3.8.2 nathanw void enable_irq __P((int));
87 1.3.8.2 nathanw #endif /* _KERNEL */
88 1.3.8.2 nathanw #endif /* _LOCORE */
89 1.3.8.2 nathanw
90 1.3.8.2 nathanw #define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */
91 1.3.8.2 nathanw
92 1.3.8.2 nathanw #endif /* _HPCARM_IRQHANDLER_H_ */
93 1.3.8.2 nathanw
94 1.3.8.2 nathanw /* End of irqhandler.h */
95