xref: /freebsd/sys/powerpc/include/openpicvar.h (revision ef544f631226436ef590825881e7a28369df82f6)
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  * $FreeBSD$
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 
35 struct openpic_softc {
36 	char		*sc_version;
37 	u_int		sc_ncpu;
38 	u_int		sc_nirq;
39 	int             sc_psim;
40 	struct		rman sc_rman;
41 	bus_space_tag_t sc_bt;
42 	bus_space_handle_t sc_bh;
43 	u_int		sc_hwprobed;
44 	u_int		sc_early_done;
45 	device_t	sc_altdev;
46 	u_char		sc_irqrsv[OPENPIC_IRQMAX]; /* pre-h/w reservation */
47 };
48 
49 /*
50  * Bus-independent attach i/f
51  */
52 int		openpic_early_attach(device_t);
53 int		openpic_attach(device_t);
54 
55 /*
56  * PIC interface.
57  */
58 struct resource	*openpic_allocate_intr(device_t, device_t, int *,
59 			    u_long, u_int);
60 int		openpic_setup_intr(device_t, device_t,
61 			    struct resource *, int, driver_filter_t,
62 			    driver_intr_t, void *, void **);
63 int		openpic_teardown_intr(device_t, device_t,
64 			    struct resource *, void *);
65 int		openpic_release_intr(device_t dev, device_t, int,
66 			    struct resource *res);
67 
68 #endif /* _POWERPC_OPENPICVAR_H_ */
69