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gerrit-public.fairphone.software / kernel / msm-4.9 / fb7cd9d9acfb52dc1b9fbd5079445e4732667bbc / . / include / asm-sparc / prom.h
blob: e9b8047470fe02efe564067fb86b4620b4c86f7f [file] [log] [blame]
David S. Miller942a6bd2006-06-23 15:53:31 -0700[diff] [blame]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
25typedef u32 phandle;
26typedef u32 ihandle;
27
28struct interrupt_info {
29 int line;
30 int sense; /* +ve/-ve logic, edge or level, etc. */
31};
32
33struct property {
34 char *name;
35 int length;
36 void *value;
37 struct property *next;
David S. Millerfb7cd9d2006-06-25 23:18:36 -0700[diff] [blame^]38 unsigned long _flags;
David S. Miller942a6bd2006-06-23 15:53:31 -0700[diff] [blame]39};
40
41struct device_node {
42 char *name;
43 char *type;
44 phandle node;
45 phandle linux_phandle;
46 int n_intrs;
47 struct interrupt_info *intrs;
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;
62};
63
David S. Millerfb7cd9d2006-06-25 23:18:36 -0700[diff] [blame^]64/* flag descriptions */
65#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
66
67#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
68#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
69
David S. Miller942a6bd2006-06-23 15:53:31 -0700[diff] [blame]70static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
71{
72 dn->pde = de;
73}
74
75extern struct device_node *of_find_node_by_name(struct device_node *from,
76 const char *name);
77#define for_each_node_by_name(dn, name) \
78 for (dn = of_find_node_by_name(NULL, name); dn; \
79 dn = of_find_node_by_name(dn, name))
80extern struct device_node *of_find_node_by_type(struct device_node *from,
81 const char *type);
82#define for_each_node_by_type(dn, type) \
83 for (dn = of_find_node_by_type(NULL, type); dn; \
84 dn = of_find_node_by_type(dn, type))
85extern struct device_node *of_find_compatible_node(struct device_node *from,
86 const char *type, const char *compat);
87extern struct device_node *of_find_node_by_path(const char *path);
88extern struct device_node *of_find_node_by_phandle(phandle handle);
89extern struct device_node *of_get_parent(const struct device_node *node);
90extern struct device_node *of_get_next_child(const struct device_node *node,
91 struct device_node *prev);
92extern struct property *of_find_property(struct device_node *np,
93 const char *name,
94 int *lenp);
95extern int of_device_is_compatible(struct device_node *device, const char *);
96extern void *of_get_property(struct device_node *node, const char *name,
97 int *lenp);
David S. Millerfb7cd9d2006-06-25 23:18:36 -0700[diff] [blame^]98extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
David S. Miller942a6bd2006-06-23 15:53:31 -0700[diff] [blame]99extern int of_getintprop_default(struct device_node *np,
100 const char *name,
101 int def);
102
103extern void prom_build_devicetree(void);
104
105#endif /* __KERNEL__ */
106#endif /* _SPARC_PROM_H */