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 * $FreeBSD$
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 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
55typedef void intr_ipi_send_t(void *, cpuset_t, u_int);
56typedef void intr_ipi_handler_t(void *);
57
58void intr_ipi_dispatch(u_int, struct trapframe *);
59void intr_ipi_send(cpuset_t, u_int);
60
61void intr_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *,
62    intr_ipi_send_t *, void *);
63
64int intr_pic_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *);
65#endif
66#else /* INTRNG */
67
68/* XXX move to std.* files? */
69#ifdef CPU_XSCALE_81342
70#define NIRQ		128
71#elif defined(CPU_XSCALE_PXA2X0)
72#include <arm/xscale/pxa/pxareg.h>
73#define	NIRQ		IRQ_GPIO_MAX
74#elif defined(SOC_MV_DISCOVERY)
75#define NIRQ		96
76#elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \
77    defined(CPU_XSCALE_IXP435)
78#define NIRQ		64
79#elif defined(CPU_CORTEXA)
80#define NIRQ		1020
81#elif defined(CPU_KRAIT)
82#define NIRQ		288
83#elif defined(CPU_ARM1176)
84#define NIRQ		128
85#elif defined(SOC_MV_ARMADAXP)
86#define MAIN_IRQ_NUM		116
87#define ERR_IRQ_NUM		32
88#define ERR_IRQ			(MAIN_IRQ_NUM)
89#define MSI_IRQ_NUM		32
90#define MSI_IRQ			(ERR_IRQ + ERR_IRQ_NUM)
91#define NIRQ			(MAIN_IRQ_NUM + ERR_IRQ_NUM + MSI_IRQ_NUM)
92#else
93#define NIRQ		32
94#endif
95
96int arm_get_next_irq(int);
97void arm_mask_irq(uintptr_t);
98void arm_unmask_irq(uintptr_t);
99void arm_intrnames_init(void);
100void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*),
101    void *, int, int, void **);
102int arm_remove_irqhandler(int, void *);
103extern void (*arm_post_filter)(void *);
104extern int (*arm_config_irq)(int irq, enum intr_trigger trig,
105    enum intr_polarity pol);
106
107void intr_pic_init_secondary(void);
108
109#ifdef FDT
110int gic_decode_fdt(phandle_t, pcell_t *, int *, int *, int *);
111int intr_fdt_map_irq(phandle_t, pcell_t *, int);
112#endif
113
114#endif /* INTRNG */
115
116void arm_irq_memory_barrier(uintptr_t);
117
118#endif	/* _MACHINE_INTR_H */
119