xref: /freebsd/stand/libofw/openfirm.h (revision 7ef62cebc2f965b0f640263e179276928885e33d)
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  * $FreeBSD$
58  */
59 #ifndef _OPENFIRM_H_
60 #define	_OPENFIRM_H_
61 /*
62  * Prototypes for Open Firmware Interface Routines
63  */
64 
65 #include <sys/cdefs.h>
66 #include <sys/types.h>
67 
68 typedef uint32_t		ihandle_t;
69 typedef uint32_t		phandle_t;
70 typedef uint32_t		cell_t;
71 
72 extern int		(*openfirmware)(void *);
73 extern phandle_t	chosen;
74 extern ihandle_t	memory, mmu;
75 extern int		real_mode;
76 
77 /*
78  * This isn't actually an Open Firmware function, but it seemed like the right
79  * place for it to go.
80  */
81 void		OF_init(int (*openfirm)(void *));
82 
83 /* Generic functions */
84 int		OF_test(char *);
85 void		OF_quiesce(); /* Disable firmware */
86 
87 /* Device tree functions */
88 phandle_t	OF_peer(phandle_t);
89 phandle_t	OF_child(phandle_t);
90 phandle_t	OF_parent(phandle_t);
91 phandle_t	OF_instance_to_package(ihandle_t);
92 int		OF_getproplen(phandle_t, const char *);
93 int		OF_getprop(phandle_t, const char *, void *, int);
94 int		OF_getencprop(phandle_t, const char *, cell_t *, int);
95 int		OF_nextprop(phandle_t, const char *, char *);
96 int		OF_setprop(phandle_t, const char *, void *, int);
97 int		OF_canon(const char *, char *, int);
98 phandle_t	OF_finddevice(const char *);
99 int		OF_instance_to_path(ihandle_t, char *, int);
100 int		OF_package_to_path(phandle_t, char *, int);
101 int		OF_call_method(char *, ihandle_t, int, int, ...);
102 
103 /* Device I/O functions */
104 ihandle_t	OF_open(char *);
105 void		OF_close(ihandle_t);
106 int		OF_read(ihandle_t, void *, int);
107 int		OF_write(ihandle_t, void *, int);
108 int		OF_seek(ihandle_t, u_quad_t);
109 unsigned int	OF_blocks(ihandle_t);
110 int		OF_block_size(ihandle_t);
111 
112 /* Memory functions */
113 void 		*OF_claim(void *, u_int, u_int);
114 void		OF_release(void *, u_int);
115 
116 /* Control transfer functions */
117 void		OF_boot(char *);
118 void		OF_enter(void);
119 void		OF_exit(void) __attribute__((noreturn));
120 void		OF_chain(void *, u_int, void (*)(), void *, u_int);
121 
122 /* Time function */
123 int		OF_milliseconds(void);
124 
125 #endif /* _OPENFIRM_H_ */
126