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942a6bdd DM |
1 | #ifndef _SPARC_PROM_H |
2 | #define _SPARC_PROM_H | |
3 | #ifdef __KERNEL__ | |
4 | ||
942a6bdd DM |
5 | /* |
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. | |
97b4872c | 12 | * Updates for SPARC by David S. Miller |
942a6bdd DM |
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 | */ | |
942a6bdd DM |
19 | #include <linux/types.h> |
20 | #include <linux/proc_fs.h> | |
2481d766 | 21 | #include <linux/mutex.h> |
942a6bdd DM |
22 | #include <asm/atomic.h> |
23 | ||
97e873e5 SR |
24 | #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2 |
25 | #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 | |
26 | ||
0081cbc3 | 27 | #define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l)) |
581b605a | 28 | #define of_prop_cmp(s1, s2) strcasecmp((s1), (s2)) |
1ef4d424 | 29 | #define of_node_cmp(s1, s2) strcmp((s1), (s2)) |
0081cbc3 | 30 | |
942a6bdd DM |
31 | typedef u32 phandle; |
32 | typedef u32 ihandle; | |
33 | ||
942a6bdd DM |
34 | struct property { |
35 | char *name; | |
36 | int length; | |
37 | void *value; | |
38 | struct property *next; | |
fb7cd9d9 | 39 | unsigned long _flags; |
87b385da | 40 | unsigned int unique_id; |
942a6bdd DM |
41 | }; |
42 | ||
97b4872c | 43 | struct of_irq_controller; |
942a6bdd | 44 | struct device_node { |
711b360d SR |
45 | const char *name; |
46 | const char *type; | |
942a6bdd | 47 | phandle node; |
942a6bdd DM |
48 | char *path_component_name; |
49 | char *full_name; | |
50 | ||
51 | struct property *properties; | |
52 | struct property *deadprops; /* removed properties */ | |
53 | struct device_node *parent; | |
54 | struct device_node *child; | |
55 | struct device_node *sibling; | |
56 | struct device_node *next; /* next device of same type */ | |
57 | struct device_node *allnext; /* next in list of all nodes */ | |
58 | struct proc_dir_entry *pde; /* this node's proc directory */ | |
59 | struct kref kref; | |
60 | unsigned long _flags; | |
61 | void *data; | |
87b385da | 62 | unsigned int unique_id; |
97b4872c DM |
63 | |
64 | struct of_irq_controller *irq_trans; | |
65 | }; | |
66 | ||
67 | struct of_irq_controller { | |
68 | unsigned int (*irq_build)(struct device_node *, unsigned int, void *); | |
69 | void *data; | |
942a6bdd DM |
70 | }; |
71 | ||
fb7cd9d9 DM |
72 | #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) |
73 | #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) | |
74 | ||
97b4872c | 75 | extern struct device_node *of_find_node_by_cpuid(int cpuid); |
fb7cd9d9 | 76 | extern int of_set_property(struct device_node *node, const char *name, void *val, int len); |
2481d766 | 77 | extern struct mutex of_set_property_mutex; |
942a6bdd DM |
78 | extern int of_getintprop_default(struct device_node *np, |
79 | const char *name, | |
80 | int def); | |
46bcea77 | 81 | extern int of_find_in_proplist(const char *list, const char *match, int len); |
c1b1a5f1 DM |
82 | #ifdef CONFIG_NUMA |
83 | extern int of_node_to_nid(struct device_node *dp); | |
84 | #else | |
85 | #define of_node_to_nid(dp) (-1) | |
86 | #endif | |
942a6bdd DM |
87 | |
88 | extern void prom_build_devicetree(void); | |
9bab5414 | 89 | extern void of_populate_present_mask(void); |
890db403 | 90 | extern void of_fill_in_cpu_data(void); |
942a6bdd | 91 | |
e679c5f4 SR |
92 | /* Dummy ref counting routines - to be implemented later */ |
93 | static inline struct device_node *of_node_get(struct device_node *node) | |
94 | { | |
95 | return node; | |
96 | } | |
97 | static inline void of_node_put(struct device_node *node) | |
98 | { | |
99 | } | |
100 | ||
44266215 DM |
101 | /* These routines are here to provide compatibility with how powerpc |
102 | * handles IRQ mapping for OF device nodes. We precompute and permanently | |
103 | * register them in the of_device objects, whereas powerpc computes them | |
104 | * on request. | |
105 | */ | |
51e0f004 DM |
106 | extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); |
107 | static inline void irq_dispose_mapping(unsigned int virq) | |
108 | { | |
109 | } | |
44266215 | 110 | |
76c1ce78 SR |
111 | /* |
112 | * NB: This is here while we transition from using asm/prom.h | |
113 | * to linux/of.h | |
114 | */ | |
115 | #include <linux/of.h> | |
116 | ||
c73fcc84 DM |
117 | extern struct device_node *of_console_device; |
118 | extern char *of_console_path; | |
119 | extern char *of_console_options; | |
120 | ||
942a6bdd DM |
121 | #endif /* __KERNEL__ */ |
122 | #endif /* _SPARC_PROM_H */ |