intr.h revision 296138 
1/* 	$NetBSD: intr.h,v 1.7 2003/06/16 20:01:00 thorpej 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 * $FreeBSD: head/sys/arm/include/intr.h 296138 2016-02-27 12:03:07Z skra $
36 *
37 */
38
39#ifndef _MACHINE_INTR_H_
40#define _MACHINE_INTR_H_
41
42#ifdef FDT
43#include <dev/ofw/openfirm.h>
44#endif
45
46#ifdef ARM_INTRNG
47
48#ifndef NIRQ
49#define	NIRQ		1024	/* XXX - It should be an option. */
50#endif
51
52#include <sys/intr.h>
53
54#ifdef SMP
55void intr_ipi_dispatch(struct intr_irqsrc *isrc, struct trapframe *tf);
56
57#define AISHF_NOALLOC	0x0001
58
59int intr_ipi_set_handler(u_int ipi, const char *name, intr_ipi_filter_t *filter,
60    void *arg, u_int flags);
61#endif
62
63#else /* ARM_INTRNG */
64
65/* XXX move to std.* files? */
66#ifdef CPU_XSCALE_81342
67#define NIRQ		128
68#elif defined(CPU_XSCALE_PXA2X0)
69#include <arm/xscale/pxa/pxareg.h>
70#define	NIRQ		IRQ_GPIO_MAX
71#elif defined(SOC_MV_DISCOVERY)
72#define NIRQ		96
73#elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \
74    defined(CPU_XSCALE_IXP435)
75#define NIRQ		64
76#elif defined(CPU_CORTEXA)
77#define NIRQ		1020
78#elif defined(CPU_KRAIT)
79#define NIRQ		288
80#elif defined(CPU_ARM1176)
81#define NIRQ		128
82#elif defined(SOC_MV_ARMADAXP)
83#define MAIN_IRQ_NUM		116
84#define ERR_IRQ_NUM		32
85#define ERR_IRQ			(MAIN_IRQ_NUM)
86#define MSI_IRQ_NUM		32
87#define MSI_IRQ			(ERR_IRQ + ERR_IRQ_NUM)
88#define NIRQ			(MAIN_IRQ_NUM + ERR_IRQ_NUM + MSI_IRQ_NUM)
89#else
90#define NIRQ		32
91#endif
92
93int arm_get_next_irq(int);
94void arm_mask_irq(uintptr_t);
95void arm_unmask_irq(uintptr_t);
96void arm_intrnames_init(void);
97void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*),
98    void *, int, int, void **);
99int arm_remove_irqhandler(int, void *);
100extern void (*arm_post_filter)(void *);
101extern int (*arm_config_irq)(int irq, enum intr_trigger trig,
102    enum intr_polarity pol);
103
104void intr_pic_init_secondary(void);
105
106#ifdef FDT
107int gic_decode_fdt(phandle_t, pcell_t *, int *, int *, int *);
108int intr_fdt_map_irq(phandle_t, pcell_t *, int);
109#endif
110
111#endif /* ARM_INTRNG */
112
113void arm_irq_memory_barrier(uintptr_t);
114
115#endif	/* _MACHINE_INTR_H */
116