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David S. Miller942a6bd2006-06-23 15:53:31 -07001#ifndef _SPARC_PROM_H
2#define _SPARC_PROM_H
3#ifdef __KERNEL__
4
David S. Miller942a6bd2006-06-23 15:53:31 -07005/*
6 * Definitions for talking to the Open Firmware PROM on
7 * Power Macintosh computers.
8 *
9 * Copyright (C) 1996-2005 Paul Mackerras.
10 *
11 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
12 * Updates for SPARC32 by David S. Miller
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version
17 * 2 of the License, or (at your option) any later version.
18 */
David S. Miller942a6bd2006-06-23 15:53:31 -070019#include <linux/types.h>
20#include <linux/proc_fs.h>
21#include <asm/atomic.h>
22
Stephen Rothwell97e873e2007-05-01 16:26:07 +100023#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
24#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
25
Stephen Rothwell0081cbc2007-05-01 16:29:19 +100026#define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l))
Stephen Rothwell581b6052007-04-24 16:46:53 +100027#define of_prop_cmp(s1, s2) strcasecmp((s1), (s2))
Stephen Rothwell1ef4d422007-04-24 17:57:33 +100028#define of_node_cmp(s1, s2) strcmp((s1), (s2))
Stephen Rothwell0081cbc2007-05-01 16:29:19 +100029
David S. Miller942a6bd2006-06-23 15:53:31 -070030typedef u32 phandle;
31typedef u32 ihandle;
32
David S. Miller942a6bd2006-06-23 15:53:31 -070033struct property {
34 char *name;
35 int length;
36 void *value;
37 struct property *next;
David S. Millerfb7cd9d2006-06-25 23:18:36 -070038 unsigned long _flags;
David S. Miller87b385d2006-06-25 23:18:57 -070039 unsigned int unique_id;
David S. Miller942a6bd2006-06-23 15:53:31 -070040};
41
42struct device_node {
Stephen Rothwell711b3602007-04-12 14:38:34 -070043 const char *name;
44 const char *type;
David S. Miller942a6bd2006-06-23 15:53:31 -070045 phandle node;
David S. Miller942a6bd2006-06-23 15:53:31 -070046 char *path_component_name;
47 char *full_name;
48
49 struct property *properties;
50 struct property *deadprops; /* removed properties */
51 struct device_node *parent;
52 struct device_node *child;
53 struct device_node *sibling;
54 struct device_node *next; /* next device of same type */
55 struct device_node *allnext; /* next in list of all nodes */
56 struct proc_dir_entry *pde; /* this node's proc directory */
57 struct kref kref;
58 unsigned long _flags;
59 void *data;
David S. Miller87b385d2006-06-25 23:18:57 -070060 unsigned int unique_id;
David S. Miller942a6bd2006-06-23 15:53:31 -070061};
62
David S. Millerfb7cd9d2006-06-25 23:18:36 -070063#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
64#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
65
David S. Millerfb7cd9d2006-06-25 23:18:36 -070066extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
David S. Miller942a6bd2006-06-23 15:53:31 -070067extern int of_getintprop_default(struct device_node *np,
68 const char *name,
69 int def);
David S. Miller46bcea72007-08-07 18:46:36 -070070extern int of_find_in_proplist(const char *list, const char *match, int len);
David S. Miller942a6bd2006-06-23 15:53:31 -070071
72extern void prom_build_devicetree(void);
73
Stephen Rothwelle679c5f2007-04-24 17:16:16 +100074/* Dummy ref counting routines - to be implemented later */
75static inline struct device_node *of_node_get(struct device_node *node)
76{
77 return node;
78}
79static inline void of_node_put(struct device_node *node)
80{
81}
82
Stephen Rothwell76c1ce72007-05-01 16:19:07 +100083/*
84 * NB: This is here while we transition from using asm/prom.h
85 * to linux/of.h
86 */
87#include <linux/of.h>
88
David S. Millerc73fcc82007-07-20 16:59:26 -070089extern struct device_node *of_console_device;
90extern char *of_console_path;
91extern char *of_console_options;
92
David S. Miller942a6bd2006-06-23 15:53:31 -070093#endif /* __KERNEL__ */
94#endif /* _SPARC_PROM_H */