intr_machdep.h revision 209486 
1/*-
2 * Copyright (C) 2002 Benno Rice.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/powerpc/include/intr_machdep.h 209486 2010-06-23 22:33:03Z nwhitehorn $
26 */
27
28#ifndef	_MACHINE_INTR_MACHDEP_H_
29#define	_MACHINE_INTR_MACHDEP_H_
30
31#define	INTR_VECTORS	256
32#define	MAX_PICS	5
33
34#define	IGN_SHIFT	8
35#define	INTR_INTLINE(irq) (irq & ((1 << IGN_SHIFT) - 1))
36#define	INTR_IGN(irq)	(irq >> IGN_SHIFT)
37
38#define	INTR_VEC(pic_id, irq) ((powerpc_ign_lookup(pic_id) << IGN_SHIFT) | (irq))
39
40/*
41 * Default base address for MSI messages on PowerPC
42 */
43#define	MSI_INTEL_ADDR_BASE		0xfee00000
44
45extern device_t root_pic;
46
47struct trapframe;
48
49driver_filter_t powerpc_ipi_handler;
50
51void	powerpc_register_pic(device_t, u_int);
52int	powerpc_ign_lookup(uint32_t pic_id);
53
54void	powerpc_dispatch_intr(u_int, struct trapframe *);
55int	powerpc_enable_intr(void);
56int	powerpc_setup_intr(const char *, u_int, driver_filter_t, driver_intr_t,
57	    void *, enum intr_type, void **);
58int	powerpc_teardown_intr(void *);
59int	powerpc_bind_intr(u_int irq, u_char cpu);
60int	powerpc_config_intr(int, enum intr_trigger, enum intr_polarity);
61
62#endif /* _MACHINE_INTR_MACHDEP_H_ */
63