1 /*        $NetBSD: openfirm.h,v 1.48 2022/01/22 11:49:18 thorpej 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 #ifndef _OPENFIRM_H_
35 #define _OPENFIRM_H_
36 
37 #include <sys/device.h>
38 #include <prop/proplib.h>
39 
40 /*
41  * Prototypes for OpenFirmware Interface Routines
42  */
43 
44 /*
45  * Machine-independent OpenFirmware-related structures.
46  * XXX THESE DO NOT BELONG HERE.
47  */
48 
49 /*
50  * Generic OpenFirmware probe argument.
51  * This is how all probe structures must start
52  * in order to support generic OpenFirmware device drivers.
53  */
54 struct ofbus_attach_args {
55           const char          *oba_busname;
56           char                oba_ofname[64];
57           int                 oba_phandle;
58 
59           /*
60            * Special unit field for disk devices.
61            * This is a KLUDGE to work around the fact that OpenFirmware
62            * doesn't probe the scsi bus completely.
63            * YES, I THINK THIS IS A BUG IN THE OPENFIRMWARE DEFINITION!!!       XXX
64            * See also ofdisk.c.
65            */
66           int                 oba_unit;
67 };
68 
69 /*
70  * Functions and variables provided by machine-dependent code.
71  */
72 extern char *OF_buf;
73 
74 void      OF_boot(const char *) __dead;
75 int       OF_call_method(const char *, int, int, int, ...);
76 int       OF_call_method_1(const char *, int, int, ...);
77 int       OF_child(int);
78 void      *OF_claim(void *, u_int, u_int);
79 void      OF_close(int);
80 void      OF_enter(void);
81 void      OF_exit(void) __dead;
82 int       OF_finddevice(const char *);
83 int       OF_getprop(int, const char *, void *, int);
84 int       OF_getproplen(int, const char *);
85 int       OF_instance_to_package(int);
86 int       OF_instance_to_path(int, char *, int);
87 int       OF_interpret(const char *, int, int, ...);
88 int       OF_milliseconds(void);
89 int       OF_nextprop(int, const char *, void *);
90 int       OF_open(const char *);
91 int       OF_package_to_path(int, char *, int);
92 int       OF_parent(int);
93 int       OF_peer(int);
94 void      OF_quiesce(void);
95 int       OF_read(int, void *, int);
96 void      OF_release(void *, u_int);
97 int       OF_seek(int, u_quad_t);
98 void      (*OF_set_callback(void(*)(void *)))(void *);
99 int       OF_setprop(int, const char *, const void *, int);
100 int       OF_write(int, const void *, int);
101 
102 int       openfirmware(void *);
103 
104 /*
105  * Functions and variables provided by machine-independent code.
106  */
107 #ifdef _KERNEL
108 struct device_compatible_entry;
109 
110 devhandle_t         devhandle_from_of(devhandle_t, int);
111 int                 devhandle_to_of(devhandle_t);
112 
113 #define   OF_DEVICE_CALL_REGISTER(_n_, _c_)                                     \
114           DEVICE_CALL_REGISTER(of_device_calls, _n_, _c_)
115 
116 int       of_compatible(int, const char * const *);
117 int       of_compatible_match(int, const struct device_compatible_entry *);
118 const struct device_compatible_entry *
119           of_compatible_lookup(int, const struct device_compatible_entry *);
120 int       of_decode_int(const unsigned char *);
121 int       of_packagename(int, char *, int);
122 int       of_find_firstchild_byname(int, const char *);
123 int       of_find_bycompat(int, const char *);
124 int       of_getnode_byname(int, const char *);
125 bool      of_to_uint32_prop(prop_dictionary_t, int, const char *, const char *);
126 bool      of_to_dataprop(prop_dictionary_t, int, const char *, const char *);
127 device_t of_device_from_phandle(int);
128 
129 int       *of_network_decode_media(int, int *, int *);
130 char      *of_get_mode_string(char *, int);
131 
132 void      of_enter_i2c_devs(prop_dictionary_t, int, size_t, int);
133 void      of_enter_spi_devs(prop_dictionary_t, int, size_t);
134 #endif /* _KERNEL */
135 
136 bool      of_hasprop(int, const char *);
137 #define of_getprop_bool       of_hasprop
138 int       of_getprop_uint32(int, const char *, uint32_t *);
139 int       of_getprop_uint32_array(int, const char *, uint32_t *, int);
140 int       of_getprop_uint64(int, const char *, uint64_t *);
141 
142 #endif /*_OPENFIRM_H_*/
143