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      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
     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_value(pn);
     89 	return number;
     90 }
     91 
     92 void
     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
    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 *
    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
    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
    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 *
    143 board_info_get_object(const char *name)
    144 {
    145 	return prop_dictionary_get(board_properties, name);
    146 }
    147