FreeBSD/Linux Kernel Cross Reference
sys/arm/include/intr.h
1 /* $NetBSD: intr.h,v 1.7 2003/06/16 20:01:00 thorpej Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-4-Clause
5 *
6 * Copyright (c) 1997 Mark Brinicombe.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Mark Brinicombe
20 * for the NetBSD Project.
21 * 4. The name of the company nor the name of the author may be used to
22 * endorse or promote products derived from this software without specific
23 * prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * $FreeBSD$
38 *
39 */
40
41 #ifndef _MACHINE_INTR_H_
42 #define _MACHINE_INTR_H_
43
44 #ifdef FDT
45 #include <dev/ofw/openfirm.h>
46 #endif
47
48 #ifdef INTRNG
49
50 #ifndef NIRQ
51 #define NIRQ 1024 /* XXX - It should be an option. */
52 #endif
53
54 #include <sys/intr.h>
55
56 #ifdef SMP
57 typedef void intr_ipi_send_t(void *, cpuset_t, u_int);
58 typedef void intr_ipi_handler_t(void *);
59
60 void intr_ipi_dispatch(u_int, struct trapframe *);
61 void intr_ipi_send(cpuset_t, u_int);
62
63 void intr_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *,
64 intr_ipi_send_t *, void *);
65
66 int intr_pic_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *);
67 #endif
68 #else /* INTRNG */
69
70 /* XXX move to std.* files? */
71 #if defined(SOC_MV_DISCOVERY)
72 #define NIRQ 96
73 #elif defined(SOC_MV_KIRKWOOD)
74 #define NIRQ 64
75 #elif defined(CPU_CORTEXA)
76 #define NIRQ 1020
77 #elif defined(CPU_KRAIT)
78 #define NIRQ 288
79 #elif defined(CPU_ARM1176)
80 #define NIRQ 128
81 #else
82 #define NIRQ 32
83 #endif
84
85 int arm_get_next_irq(int);
86 void arm_mask_irq(uintptr_t);
87 void arm_unmask_irq(uintptr_t);
88 void arm_intrnames_init(void);
89 void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*),
90 void *, int, int, void **);
91 int arm_remove_irqhandler(int, void *);
92 extern void (*arm_post_filter)(void *);
93 extern int (*arm_config_irq)(int irq, enum intr_trigger trig,
94 enum intr_polarity pol);
95
96 void intr_pic_init_secondary(void);
97
98 #ifdef FDT
99 int gic_decode_fdt(phandle_t, pcell_t *, int *, int *, int *);
100 int intr_fdt_map_irq(phandle_t, pcell_t *, int);
101 #endif
102
103 #endif /* INTRNG */
104
105 void arm_irq_memory_barrier(uintptr_t);
106
107 #endif /* _MACHINE_INTR_H */
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