intr.h revision 330897 
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: stable/11/sys/arm/include/intr.h 330897 2018-03-14 03:19:51Z eadler $
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
57typedef void intr_ipi_send_t(void *, cpuset_t, u_int);
58typedef void intr_ipi_handler_t(void *);
59
60void intr_ipi_dispatch(u_int, struct trapframe *);
61void intr_ipi_send(cpuset_t, u_int);
62
63void intr_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *,
64    intr_ipi_send_t *, void *);
65
66int 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#ifdef CPU_XSCALE_81342
72#define NIRQ		128
73#elif defined(CPU_XSCALE_PXA2X0)
74#include <arm/xscale/pxa/pxareg.h>
75#define	NIRQ		IRQ_GPIO_MAX
76#elif defined(SOC_MV_DISCOVERY)
77#define NIRQ		96
78#elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \
79    defined(CPU_XSCALE_IXP435)
80#define NIRQ		64
81#elif defined(CPU_CORTEXA)
82#define NIRQ		1020
83#elif defined(CPU_KRAIT)
84#define NIRQ		288
85#elif defined(CPU_ARM1176)
86#define NIRQ		128
87#elif defined(SOC_MV_ARMADAXP)
88#define MAIN_IRQ_NUM		116
89#define ERR_IRQ_NUM		32
90#define ERR_IRQ			(MAIN_IRQ_NUM)
91#define MSI_IRQ_NUM		32
92#define MSI_IRQ			(ERR_IRQ + ERR_IRQ_NUM)
93#define NIRQ			(MAIN_IRQ_NUM + ERR_IRQ_NUM + MSI_IRQ_NUM)
94#else
95#define NIRQ		32
96#endif
97
98int arm_get_next_irq(int);
99void arm_mask_irq(uintptr_t);
100void arm_unmask_irq(uintptr_t);
101void arm_intrnames_init(void);
102void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*),
103    void *, int, int, void **);
104int arm_remove_irqhandler(int, void *);
105extern void (*arm_post_filter)(void *);
106extern int (*arm_config_irq)(int irq, enum intr_trigger trig,
107    enum intr_polarity pol);
108
109void intr_pic_init_secondary(void);
110
111#ifdef FDT
112int gic_decode_fdt(phandle_t, pcell_t *, int *, int *, int *);
113int intr_fdt_map_irq(phandle_t, pcell_t *, int);
114#endif
115
116#endif /* INTRNG */
117
118void arm_irq_memory_barrier(uintptr_t);
119
120#endif	/* _MACHINE_INTR_H */
121