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board_prop.c revision 1.2 
      1 /*	$NetBSD: board_prop.c,v 1.2 2011/01/18 01:02:52 matt 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 1.2 2011/01/18 01:02:52 matt 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
     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
     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
     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
     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_integer_value(pn);
     89 	/* XXX -- do we need object release pn? */
     90 	return number;
     91 }
     92 
     93 void
     94 board_info_add_number(const char *name, uint64_t number)
     95 {
     96 	KASSERT(board_properties != NULL);
     97 	prop_number_t pn = prop_number_create_integer(number);
     98 	KASSERT(pn != NULL);
     99 	if (prop_dictionary_set(board_properties, name, pn) == false)
    100 		panic("%s: setting %s failed", __func__, name);
    101 	prop_object_release(pn);
    102 }
    103 
    104 void
    105 board_info_add_data(const char *name, const void *data, size_t len)
    106 {
    107 	KASSERT(board_properties != NULL);
    108 	prop_data_t pd = prop_data_create_data(data, len);
    109 	KASSERT(pd != NULL);
    110 	if (prop_dictionary_set(board_properties, name, pd) == false)
    111 		panic("%s: setting %s failed", __func__, name);
    112 	prop_object_release(pd);
    113 }
    114 
    115 const void *
    116 board_info_get_data(const char *name, size_t *lenp)
    117 {
    118 	KASSERT(board_properties != NULL);
    119 	prop_data_t pd = prop_dictionary_get(board_properties, name);
    120 	KASSERT(pd != NULL);
    121 	*lenp = prop_data_size(pd);
    122 	/* XXX -- do we need object release pn? */
    123 	return prop_data_data(pd);
    124 }
    125 
    126 void
    127 board_info_add_string(const char *name, const char *data)
    128 {
    129 	KASSERT(board_properties != NULL);
    130 	prop_string_t ps = prop_string_create_cstring(data);
    131 	KASSERT(ps != NULL);
    132 	if (prop_dictionary_set(board_properties, name, ps) == false)
    133 		panic("%s: setting %s failed", __func__, name);
    134 	prop_object_release(ps);
    135 }
    136 
    137 void
    138 board_info_add_object(const char *name, void *obj)
    139 {
    140 	if (prop_dictionary_set(board_properties, name, obj) == false)
    141 		panic("%s: setting %s failed", __func__, name);
    142 }
    143 
    144 void *
    145 board_info_get_object(const char *name)
    146 {
    147 	return prop_dictionary_get(board_properties, name);
    148 }
    149