intr.h revision 280824 
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 280824 2015-03-29 21:12:59Z andrew $
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/* XXX move to std.* files? */
47#ifdef CPU_XSCALE_81342
48#define NIRQ		128
49#elif defined(CPU_XSCALE_PXA2X0)
50#include <arm/xscale/pxa/pxareg.h>
51#define	NIRQ		IRQ_GPIO_MAX
52#elif defined(SOC_MV_DISCOVERY)
53#define NIRQ		96
54#elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \
55    defined(CPU_XSCALE_IXP435)
56#define NIRQ		64
57#elif defined(CPU_CORTEXA)
58#define NIRQ		1020
59#elif defined(CPU_KRAIT)
60#define NIRQ		288
61#elif defined(CPU_ARM1176)
62#define NIRQ		128
63#elif defined(SOC_MV_ARMADAXP)
64#define MAIN_IRQ_NUM		116
65#define ERR_IRQ_NUM		32
66#define ERR_IRQ			(MAIN_IRQ_NUM)
67#define MSI_IRQ_NUM		32
68#define MSI_IRQ			(ERR_IRQ + ERR_IRQ_NUM)
69#define NIRQ			(MAIN_IRQ_NUM + ERR_IRQ_NUM + MSI_IRQ_NUM)
70#else
71#define NIRQ		32
72#endif
73
74
75int arm_get_next_irq(int);
76void arm_mask_irq(uintptr_t);
77void arm_unmask_irq(uintptr_t);
78void arm_intrnames_init(void);
79void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*),
80    void *, int, int, void **);
81int arm_remove_irqhandler(int, void *);
82extern void (*arm_post_filter)(void *);
83extern int (*arm_config_irq)(int irq, enum intr_trigger trig,
84    enum intr_polarity pol);
85
86void arm_irq_memory_barrier(uintptr_t);
87
88void arm_init_secondary_ic(void);
89int  gic_decode_fdt(uint32_t iparentnode, uint32_t *intrcells, int *interrupt,
90    int *trig, int *pol);
91
92#ifdef FDT
93int arm_fdt_map_irq(phandle_t, pcell_t *, int);
94#endif
95
96#endif	/* _MACHINE_INTR_H */
97