xref: /freebsd/sys/powerpc/include/openpicvar.h (revision d6b92ffa)
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 /* Names match the macros in openpicreg.h. */
36 struct openpic_timer {
37     	uint32_t	tcnt;
38     	uint32_t	tbase;
39     	uint32_t	tvec;
40     	uint32_t	tdst;
41 };
42 
43 struct openpic_softc {
44 	device_t	sc_dev;
45 	struct resource	*sc_memr;
46 	struct resource	*sc_intr;
47 	bus_space_tag_t sc_bt;
48 	bus_space_handle_t sc_bh;
49 	char		*sc_version;
50 	int		sc_rid;
51 	int		sc_irq;
52 	void		*sc_icookie;
53 	u_int		sc_ncpu;
54 	u_int		sc_nirq;
55 	int		sc_psim;
56 
57 	/* Saved states. */
58 	uint32_t		sc_saved_config;
59 	uint32_t		sc_saved_ipis[4];
60 	uint32_t		sc_saved_prios[4];
61 	struct openpic_timer	sc_saved_timers[OPENPIC_TIMERS];
62 	uint32_t		sc_saved_vectors[OPENPIC_SRC_VECTOR_COUNT];
63 
64 };
65 
66 extern devclass_t openpic_devclass;
67 
68 /*
69  * Bus-independent attach i/f
70  */
71 int	openpic_common_attach(device_t, uint32_t);
72 
73 /*
74  * PIC interface.
75  */
76 void	openpic_bind(device_t dev, u_int irq, cpuset_t cpumask);
77 void	openpic_config(device_t, u_int, enum intr_trigger, enum intr_polarity);
78 void	openpic_dispatch(device_t, struct trapframe *);
79 void	openpic_enable(device_t, u_int, u_int);
80 void	openpic_eoi(device_t, u_int);
81 void	openpic_ipi(device_t, u_int);
82 void	openpic_mask(device_t, u_int);
83 void	openpic_unmask(device_t, u_int);
84 
85 int	openpic_suspend(device_t dev);
86 int	openpic_resume(device_t dev);
87 
88 #endif /* _POWERPC_OPENPICVAR_H_ */
89