openpicvar.h revision 171805 
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/openpicvar.h 171805 2007-08-11 19:25:32Z marcel $
26 */
27
28#ifndef	_POWERPC_OPENPICVAR_H_
29#define	_POWERPC_OPENPICVAR_H_
30
31#define OPENPIC_DEVSTR	"OpenPIC Interrupt Controller"
32
33#define OPENPIC_IRQMAX	256	/* h/w allows more */
34
35struct openpic_softc {
36	device_t	sc_dev;
37	struct resource	*sc_memr;
38	bus_space_tag_t sc_bt;
39	bus_space_handle_t sc_bh;
40	char		*sc_version;
41	int		sc_rid;
42	u_int		sc_ncpu;
43	u_int		sc_nirq;
44	int		sc_psim;
45};
46
47extern devclass_t openpic_devclass;
48
49/*
50 * Bus-independent attach i/f
51 */
52int	openpic_attach(device_t);
53
54/*
55 * PIC interface.
56 */
57void	openpic_dispatch(device_t, struct trapframe *);
58void	openpic_enable(device_t, u_int, u_int);
59void	openpic_eoi(device_t, u_int);
60void	openpic_mask(device_t, u_int);
61void	openpic_unmask(device_t, u_int);
62
63#endif /* _POWERPC_OPENPICVAR_H_ */
64