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942a6bdd DM |
1 | #ifndef _SPARC_PROM_H |
2 | #define _SPARC_PROM_H | |
3 | #ifdef __KERNEL__ | |
4 | ||
5 | ||
6 | /* | |
7 | * Definitions for talking to the Open Firmware PROM on | |
8 | * Power Macintosh computers. | |
9 | * | |
10 | * Copyright (C) 1996-2005 Paul Mackerras. | |
11 | * | |
12 | * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. | |
13 | * Updates for SPARC32 by David S. Miller | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License | |
17 | * as published by the Free Software Foundation; either version | |
18 | * 2 of the License, or (at your option) any later version. | |
19 | */ | |
20 | ||
21 | #include <linux/types.h> | |
22 | #include <linux/proc_fs.h> | |
23 | #include <asm/atomic.h> | |
24 | ||
25 | typedef u32 phandle; | |
26 | typedef u32 ihandle; | |
27 | ||
942a6bdd DM |
28 | struct property { |
29 | char *name; | |
30 | int length; | |
31 | void *value; | |
32 | struct property *next; | |
fb7cd9d9 | 33 | unsigned long _flags; |
87b385da | 34 | unsigned int unique_id; |
942a6bdd DM |
35 | }; |
36 | ||
37 | struct device_node { | |
711b360d SR |
38 | const char *name; |
39 | const char *type; | |
942a6bdd | 40 | phandle node; |
942a6bdd DM |
41 | char *path_component_name; |
42 | char *full_name; | |
43 | ||
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 */ | |
52 | struct kref kref; | |
53 | unsigned long _flags; | |
54 | void *data; | |
87b385da | 55 | unsigned int unique_id; |
942a6bdd DM |
56 | }; |
57 | ||
fb7cd9d9 DM |
58 | /* flag descriptions */ |
59 | #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ | |
60 | ||
61 | #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) | |
62 | #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) | |
63 | ||
cf44bbc2 DM |
64 | #define OF_BAD_ADDR ((u64)-1) |
65 | ||
942a6bdd DM |
66 | static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) |
67 | { | |
68 | dn->pde = de; | |
69 | } | |
70 | ||
71 | extern struct device_node *of_find_node_by_name(struct device_node *from, | |
72 | const char *name); | |
73 | #define for_each_node_by_name(dn, name) \ | |
74 | for (dn = of_find_node_by_name(NULL, name); dn; \ | |
75 | dn = of_find_node_by_name(dn, name)) | |
76 | extern struct device_node *of_find_node_by_type(struct device_node *from, | |
77 | const char *type); | |
78 | #define for_each_node_by_type(dn, type) \ | |
79 | for (dn = of_find_node_by_type(NULL, type); dn; \ | |
80 | dn = of_find_node_by_type(dn, type)) | |
81 | extern struct device_node *of_find_compatible_node(struct device_node *from, | |
82 | const char *type, const char *compat); | |
83 | extern struct device_node *of_find_node_by_path(const char *path); | |
84 | extern struct device_node *of_find_node_by_phandle(phandle handle); | |
85 | extern struct device_node *of_get_parent(const struct device_node *node); | |
86 | extern struct device_node *of_get_next_child(const struct device_node *node, | |
87 | struct device_node *prev); | |
357418e7 | 88 | extern struct property *of_find_property(const struct device_node *np, |
942a6bdd DM |
89 | const char *name, |
90 | int *lenp); | |
357418e7 SR |
91 | extern int of_device_is_compatible(const struct device_node *device, |
92 | const char *); | |
93 | extern const void *of_get_property(const struct device_node *node, | |
94 | const char *name, | |
95 | int *lenp); | |
c4c31fe0 | 96 | #define get_property(node,name,lenp) of_get_property(node,name,lenp) |
fb7cd9d9 | 97 | extern int of_set_property(struct device_node *node, const char *name, void *val, int len); |
942a6bdd DM |
98 | extern int of_getintprop_default(struct device_node *np, |
99 | const char *name, | |
100 | int def); | |
3ae9a348 DM |
101 | extern int of_n_addr_cells(struct device_node *np); |
102 | extern int of_n_size_cells(struct device_node *np); | |
942a6bdd DM |
103 | |
104 | extern void prom_build_devicetree(void); | |
105 | ||
106 | #endif /* __KERNEL__ */ | |
107 | #endif /* _SPARC_PROM_H */ |