openfirm.h revision 186133
1/*	$NetBSD: openfirm.h,v 1.1 1998/05/15 10:16:00 tsubai Exp $	*/
2
3/*-
4 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by TooLs GmbH.
19 * 4. The name of TooLs GmbH may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33/*
34 * Copyright (C) 2000 Benno Rice.
35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 *    notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 *    notice, this list of conditions and the following disclaimer in the
44 *    documentation and/or other materials provided with the distribution.
45 *
46 * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
49 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
50 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
52 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
53 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
54 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
55 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 *
57 * $FreeBSD: head/sys/dev/ofw/openfirm.h 186133 2008-12-15 18:20:59Z nwhitehorn $
58 */
59
60#ifndef _OPENFIRM_H_
61#define _OPENFIRM_H_
62
63/*
64 * Prototypes for Open Firmware Interface Routines
65 */
66
67typedef unsigned long cell_t;
68
69typedef	unsigned int	ihandle_t;
70typedef unsigned int	phandle_t;
71
72#ifdef _KERNEL
73#include <sys/cdefs.h>
74#include <sys/types.h>
75#include <sys/malloc.h>
76
77MALLOC_DECLARE(M_OFWPROP);
78
79/*
80 * Other than in Open Firmware calls, the size of a bus cell seems to be
81 * always the same.
82 */
83typedef u_int32_t pcell_t;
84
85/*
86 * Stuff that is used by the Open Firmware code.
87 */
88void	set_openfirm_callback(int (*)(void *));
89int	openfirmware(void *);
90
91/*
92 * This isn't actually an Open Firmware function, but it seemed like the right
93 * place for it to go.
94 */
95void		OF_init(int (*openfirm)(void *));
96
97/* Generic functions */
98int		OF_test(char *);
99void		OF_printf(const char *, ...);
100
101/* Device tree functions */
102phandle_t	OF_peer(phandle_t);
103phandle_t	OF_child(phandle_t);
104phandle_t	OF_parent(phandle_t);
105phandle_t	OF_instance_to_package(ihandle_t);
106int		OF_getproplen(phandle_t, char *);
107int		OF_getprop(phandle_t, char *, void *, int);
108int		OF_getprop_alloc(phandle_t package, char *propname, int elsz,
109    void **buf);
110int		OF_nextprop(phandle_t, char *, char *);
111int		OF_setprop(phandle_t, char *, void *, int);
112int		OF_canon(const char *, char *, int);
113phandle_t	OF_finddevice(const char *);
114int		OF_instance_to_path(ihandle_t, char *, int);
115int		OF_package_to_path(phandle_t, char *, int);
116int		OF_call_method(char *, ihandle_t, int, int, ...);
117
118/* Device I/O functions */
119ihandle_t	OF_open(char *);
120void		OF_close(ihandle_t);
121int		OF_read(ihandle_t, void *, int);
122int		OF_write(ihandle_t, void *, int);
123int		OF_seek(ihandle_t, u_quad_t);
124
125/* Memory functions */
126void 		*OF_claim(void *, u_int, u_int);
127void		OF_release(void *, u_int);
128
129/* Control transfer functions */
130void		OF_boot(char *);
131void		OF_enter(void);
132void		OF_exit(void) __attribute__((noreturn));
133void		OF_chain(void *, u_int,
134    void (*)(void *, u_int, void *, void *, u_int), void *, u_int);
135
136/* User interface functions */
137int		OF_interpret(char *, int, ...);
138
139/* Time function */
140int		OF_milliseconds(void);
141
142#endif /* _KERNEL */
143#endif /* _OPENFIRM_H_ */
144