irqhandler.h revision 1.1.4.2 1 1.1.4.2 bouyer /* $NetBSD: irqhandler.h,v 1.1.4.2 2001/03/12 13:28:26 bouyer Exp $ */
2 1.1.4.2 bouyer
3 1.1.4.2 bouyer /*
4 1.1.4.2 bouyer * Copyright (c) 1994-1996 Mark Brinicombe.
5 1.1.4.2 bouyer * Copyright (c) 1994 Brini.
6 1.1.4.2 bouyer * All rights reserved.
7 1.1.4.2 bouyer *
8 1.1.4.2 bouyer * This code is derived from software written for Brini by Mark Brinicombe
9 1.1.4.2 bouyer *
10 1.1.4.2 bouyer * Redistribution and use in source and binary forms, with or without
11 1.1.4.2 bouyer * modification, are permitted provided that the following conditions
12 1.1.4.2 bouyer * are met:
13 1.1.4.2 bouyer * 1. Redistributions of source code must retain the above copyright
14 1.1.4.2 bouyer * notice, this list of conditions and the following disclaimer.
15 1.1.4.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.4.2 bouyer * notice, this list of conditions and the following disclaimer in the
17 1.1.4.2 bouyer * documentation and/or other materials provided with the distribution.
18 1.1.4.2 bouyer * 3. All advertising materials mentioning features or use of this software
19 1.1.4.2 bouyer * must display the following acknowledgement:
20 1.1.4.2 bouyer * This product includes software developed by Mark Brinicombe
21 1.1.4.2 bouyer * for the NetBSD Project.
22 1.1.4.2 bouyer * 4. The name of the company nor the name of the author may be used to
23 1.1.4.2 bouyer * endorse or promote products derived from this software without specific
24 1.1.4.2 bouyer * prior written permission.
25 1.1.4.2 bouyer *
26 1.1.4.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
27 1.1.4.2 bouyer * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 1.1.4.2 bouyer * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 1.1.4.2 bouyer * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 1.1.4.2 bouyer * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 1.1.4.2 bouyer * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 1.1.4.2 bouyer * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 1.1.4.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 1.1.4.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 1.1.4.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 1.1.4.2 bouyer * SUCH DAMAGE.
37 1.1.4.2 bouyer *
38 1.1.4.2 bouyer * IRQ related stuff (defines + structures)
39 1.1.4.2 bouyer *
40 1.1.4.2 bouyer * Created : 30/09/94
41 1.1.4.2 bouyer */
42 1.1.4.2 bouyer
43 1.1.4.2 bouyer #ifndef _ARM32_IRQHANDLER_H_
44 1.1.4.2 bouyer #define _ARM32_IRQHANDLER_H_
45 1.1.4.2 bouyer
46 1.1.4.2 bouyer #if defined(_KERNEL) && !defined(_LKM)
47 1.1.4.2 bouyer #include "opt_cputypes.h"
48 1.1.4.2 bouyer #endif
49 1.1.4.2 bouyer
50 1.1.4.2 bouyer #ifndef _LOCORE
51 1.1.4.2 bouyer #include <sys/types.h>
52 1.1.4.2 bouyer #endif /* _LOCORE */
53 1.1.4.2 bouyer
54 1.1.4.2 bouyer /* Define the IRQ bits */
55 1.1.4.2 bouyer
56 1.1.4.2 bouyer #define IRQ_VSYNC IRQ_FLYBACK /* Aliased */
57 1.1.4.2 bouyer #define IRQ_NETSLOT IRQ_EXTENDED
58 1.1.4.2 bouyer
59 1.1.4.2 bouyer #define IRQ_INSTRUCT -1
60 1.1.4.2 bouyer /* XXX ICU_LEN is used for the same purpose. Either one should be nuked */
61 1.1.4.2 bouyer #define NIRQS 0x20
62 1.1.4.2 bouyer
63 1.1.4.2 bouyer #include <machine/intr.h>
64 1.1.4.2 bouyer
65 1.1.4.2 bouyer #ifndef _LOCORE
66 1.1.4.2 bouyer typedef struct irqhandler {
67 1.1.4.2 bouyer int (*ih_func) __P((void *arg));/* handler function */
68 1.1.4.2 bouyer void *ih_arg; /* Argument to handler */
69 1.1.4.2 bouyer int ih_level; /* Interrupt level */
70 1.1.4.2 bouyer int ih_count; /* Interrupt number (for accounting) */
71 1.1.4.2 bouyer int ih_irq; /* Interrupt register pin */
72 1.1.4.2 bouyer const char *ih_name; /* Name of interrupt (for vmstat -i) */
73 1.1.4.2 bouyer u_int ih_flags; /* Interrupt flags */
74 1.1.4.2 bouyer u_int ih_maskaddr; /* mask address for expansion cards */
75 1.1.4.2 bouyer u_int ih_maskbits; /* interrupt bit for expansion cards */
76 1.1.4.2 bouyer struct irqhandler *ih_next; /* next handler */
77 1.1.4.2 bouyer } irqhandler_t;
78 1.1.4.2 bouyer
79 1.1.4.2 bouyer #ifdef _KERNEL
80 1.1.4.2 bouyer extern u_int imask[NIPL];
81 1.1.4.2 bouyer extern irqhandler_t *irqhandlers[NIRQS];
82 1.1.4.2 bouyer
83 1.1.4.2 bouyer void irq_init __P((void));
84 1.1.4.2 bouyer void irq_setmasks __P((void));
85 1.1.4.2 bouyer void disable_irq __P((int));
86 1.1.4.2 bouyer void enable_irq __P((int));
87 1.1.4.2 bouyer #endif /* _KERNEL */
88 1.1.4.2 bouyer #endif /* _LOCORE */
89 1.1.4.2 bouyer
90 1.1.4.2 bouyer #define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */
91 1.1.4.2 bouyer
92 1.1.4.2 bouyer #ifndef _LOCORE
93 1.1.4.2 bouyer typedef struct fiqhandler {
94 1.1.4.2 bouyer void (*fh_func) __P((void));/* handler function */
95 1.1.4.2 bouyer u_int fh_size; /* Size of handler function */
96 1.1.4.2 bouyer u_int fh_mask; /* FIQ mask */
97 1.1.4.2 bouyer u_int fh_r8; /* FIQ mode r8 */
98 1.1.4.2 bouyer u_int fh_r9; /* FIQ mode r9 */
99 1.1.4.2 bouyer u_int fh_r10; /* FIQ mode r10 */
100 1.1.4.2 bouyer u_int fh_r11; /* FIQ mode r11 */
101 1.1.4.2 bouyer u_int fh_r12; /* FIQ mode r12 */
102 1.1.4.2 bouyer u_int fh_r13; /* FIQ mode r13 */
103 1.1.4.2 bouyer } fiqhandler_t;
104 1.1.4.2 bouyer
105 1.1.4.2 bouyer #endif /* _LOCORE */
106 1.1.4.2 bouyer
107 1.1.4.2 bouyer #endif /* _ARM32_IRQHANDLER_H_ */
108 1.1.4.2 bouyer
109 1.1.4.2 bouyer /* End of irqhandler.h */
110