7 * Definitions for talking to the Open Firmware PROM on
8 * Power Macintosh computers.
10 * Copyright (C) 1996-2005 Paul Mackerras.
12 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
13 * Updates for SPARC64 by David S. Miller
14 * Updates for i386/OLPC by Andres Salomon
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version
19 * 2 of the License, or (at your option) any later version.
22 #include <linux/types.h>
23 #include <linux/proc_fs.h>
24 #include <asm/atomic.h>
33 struct property
*next
;
40 // phandle linux_phandle;
41 char *path_component_name
;
44 struct property
*properties
;
45 struct property
*deadprops
; /* removed properties */
46 struct device_node
*parent
;
47 struct device_node
*child
;
48 struct device_node
*sibling
;
49 struct device_node
*next
; /* next device of same type */
50 struct device_node
*allnext
; /* next in list of all nodes */
51 struct proc_dir_entry
*pde
; /* this node's proc directory */
57 /* flag descriptions */
58 #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
60 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
61 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
63 #define OF_BAD_ADDR ((u64)-1)
65 static inline void set_node_proc_entry(struct device_node
*dn
, struct proc_dir_entry
*de
)
70 extern struct device_node
*of_find_node_by_name(struct device_node
*from
,
72 #define for_each_node_by_name(dn, name) \
73 for (dn = of_find_node_by_name(NULL, name); dn; \
74 dn = of_find_node_by_name(dn, name))
75 extern struct device_node
*of_find_node_by_type(struct device_node
*from
,
77 #define for_each_node_by_type(dn, type) \
78 for (dn = of_find_node_by_type(NULL, type); dn; \
79 dn = of_find_node_by_type(dn, type))
80 extern struct device_node
*of_find_compatible_node(struct device_node
*from
,
81 const char *type
, const char *compat
);
82 extern struct device_node
*of_find_node_by_path(const char *path
);
83 extern struct device_node
*of_find_node_by_phandle(phandle handle
);
84 extern struct device_node
*of_get_parent(const struct device_node
*node
);
85 extern struct device_node
*of_get_next_child(const struct device_node
*node
,
86 struct device_node
*prev
);
87 extern struct property
*of_find_property(const struct device_node
*np
,
90 //extern struct device_node *of_node_get(struct device_node *node);
91 //extern void of_node_put(struct device_node *node);
92 extern int of_device_is_compatible(const struct device_node
*device
,
94 extern const void *of_get_property(const struct device_node
*node
,
97 #define get_property(node,name,lenp) of_get_property(node,name,lenp)
98 extern int of_set_property(struct device_node
*node
, const char *name
, void *val
, int len
);
99 extern int of_getintprop_default(struct device_node
*np
,
102 extern int of_n_addr_cells(struct device_node
*np
);
103 extern int of_n_size_cells(struct device_node
*np
);
105 extern void prom_build_devicetree(void);
107 #endif /* __KERNEL__ */
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