1 /* $NetBSD: board_prop.c,v 1.3 2022/07/22 19:52:29 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 2004 Shigeyuki Fukushima.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
16 * 3. The name of the author may not be used to endorse or promote
17 * products derived from this software without specific prior
18 * written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
21 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
26 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: board_prop.c,v 1.3 2022/07/22 19:52:29 thorpej Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/cpu.h>
39
40 #include <prop/proplib.h>
41
42 #include <powerpc/booke/cpuvar.h>
43
44 prop_dictionary_t board_properties;
45
46 void
board_info_init(void)47 board_info_init(void)
48 {
49
50 /*
51 * Set up the board properties dictionary.
52 */
53 if (board_properties != NULL)
54 return;
55 board_properties = prop_dictionary_create();
56 KASSERT(board_properties != NULL);
57 }
58
59 bool
board_info_get_bool(const char * name)60 board_info_get_bool(const char *name)
61 {
62 KASSERT(board_properties != NULL);
63 prop_bool_t pb = prop_dictionary_get(board_properties, name);
64 if (pb == NULL)
65 return false;
66 const bool value = prop_bool_true(pb);
67 /* XXX -- do we need object release pb? */
68 return value;
69 }
70
71 void
board_info_add_bool(const char * name)72 board_info_add_bool(const char *name)
73 {
74 KASSERT(board_properties != NULL);
75 prop_bool_t pb = prop_bool_create(true);
76 KASSERT(pb != NULL);
77 if (prop_dictionary_set(board_properties, name, pb) == false)
78 panic("%s: setting %s", __func__, name);
79 prop_object_release(pb);
80 }
81
82 uint64_t
board_info_get_number(const char * name)83 board_info_get_number(const char *name)
84 {
85 KASSERT(board_properties != NULL);
86 prop_number_t pn = prop_dictionary_get(board_properties, name);
87 KASSERT(pn != NULL);
88 const uint64_t number = prop_number_unsigned_value(pn);
89 return number;
90 }
91
92 void
board_info_add_number(const char * name,uint64_t number)93 board_info_add_number(const char *name, uint64_t number)
94 {
95 KASSERT(board_properties != NULL);
96 prop_number_t pn = prop_number_create_unsigned(number);
97 KASSERT(pn != NULL);
98 if (prop_dictionary_set(board_properties, name, pn) == false)
99 panic("%s: setting %s failed", __func__, name);
100 prop_object_release(pn);
101 }
102
103 void
board_info_add_data(const char * name,const void * data,size_t len)104 board_info_add_data(const char *name, const void *data, size_t len)
105 {
106 KASSERT(board_properties != NULL);
107 prop_data_t pd = prop_data_create_copy(data, len);
108 KASSERT(pd != NULL);
109 if (prop_dictionary_set(board_properties, name, pd) == false)
110 panic("%s: setting %s failed", __func__, name);
111 prop_object_release(pd);
112 }
113
114 const void *
board_info_get_data(const char * name,size_t * lenp)115 board_info_get_data(const char *name, size_t *lenp)
116 {
117 KASSERT(board_properties != NULL);
118 prop_data_t pd = prop_dictionary_get(board_properties, name);
119 KASSERT(pd != NULL);
120 *lenp = prop_data_size(pd);
121 return prop_data_value(pd);
122 }
123
124 void
board_info_add_string(const char * name,const char * data)125 board_info_add_string(const char *name, const char *data)
126 {
127 KASSERT(board_properties != NULL);
128 prop_string_t ps = prop_string_create_copy(data);
129 KASSERT(ps != NULL);
130 if (prop_dictionary_set(board_properties, name, ps) == false)
131 panic("%s: setting %s failed", __func__, name);
132 prop_object_release(ps);
133 }
134
135 void
board_info_add_object(const char * name,void * obj)136 board_info_add_object(const char *name, void *obj)
137 {
138 if (prop_dictionary_set(board_properties, name, obj) == false)
139 panic("%s: setting %s failed", __func__, name);
140 }
141
142 void *
board_info_get_object(const char * name)143 board_info_get_object(const char *name)
144 {
145 return prop_dictionary_get(board_properties, name);
146 }
147