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David S. Miller372b07b2006-06-21 15:35:28 -07001#ifndef _SPARC64_PROM_H
2#define _SPARC64_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 SPARC64 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
David S. Miller372b07b2006-06-21 15:35:28 -070028struct property {
29 char *name;
30 int length;
31 void *value;
32 struct property *next;
David S. Millerfb7cd9d2006-06-25 23:18:36 -070033 unsigned long _flags;
David S. Miller87b385d2006-06-25 23:18:57 -070034 unsigned int unique_id;
David S. Miller372b07b2006-06-21 15:35:28 -070035};
36
David S. Miller2b1e5972006-06-29 15:07:37 -070037struct of_irq_controller;
David S. Miller372b07b2006-06-21 15:35:28 -070038struct device_node {
39 char *name;
40 char *type;
41 phandle node;
David S. Miller372b07b2006-06-21 15:35:28 -070042 char *path_component_name;
43 char *full_name;
44
45 struct property *properties;
46 struct property *deadprops; /* removed properties */
47 struct device_node *parent;
48 struct device_node *child;
49 struct device_node *sibling;
50 struct device_node *next; /* next device of same type */
51 struct device_node *allnext; /* next in list of all nodes */
52 struct proc_dir_entry *pde; /* this node's proc directory */
53 struct kref kref;
54 unsigned long _flags;
55 void *data;
David S. Miller87b385d2006-06-25 23:18:57 -070056 unsigned int unique_id;
David S. Miller2b1e5972006-06-29 15:07:37 -070057
58 struct of_irq_controller *irq_trans;
59};
60
61struct of_irq_controller {
62 unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
63 void *data;
David S. Miller372b07b2006-06-21 15:35:28 -070064};
65
David S. Millerfb7cd9d2006-06-25 23:18:36 -070066/* flag descriptions */
67#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
68
69#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
70#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
71
David S. Millercf44bbc2006-06-29 14:34:50 -070072#define OF_BAD_ADDR ((u64)-1)
73
David S. Miller372b07b2006-06-21 15:35:28 -070074static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
75{
76 dn->pde = de;
77}
78
David S. Milleraaf7cec2006-06-21 16:33:54 -070079extern struct device_node *of_find_node_by_name(struct device_node *from,
80 const char *name);
81#define for_each_node_by_name(dn, name) \
82 for (dn = of_find_node_by_name(NULL, name); dn; \
83 dn = of_find_node_by_name(dn, name))
84extern struct device_node *of_find_node_by_type(struct device_node *from,
85 const char *type);
86#define for_each_node_by_type(dn, type) \
87 for (dn = of_find_node_by_type(NULL, type); dn; \
88 dn = of_find_node_by_type(dn, type))
David S. Miller8cd24ed2006-06-22 22:08:58 -070089extern struct device_node *of_find_compatible_node(struct device_node *from,
90 const char *type, const char *compat);
David S. Miller372b07b2006-06-21 15:35:28 -070091extern struct device_node *of_find_node_by_path(const char *path);
David S. Millerde8d28b2006-06-22 16:18:54 -070092extern struct device_node *of_find_node_by_phandle(phandle handle);
David S. Miller372b07b2006-06-21 15:35:28 -070093extern struct device_node *of_get_parent(const struct device_node *node);
94extern struct device_node *of_get_next_child(const struct device_node *node,
95 struct device_node *prev);
96extern struct property *of_find_property(struct device_node *np,
97 const char *name,
98 int *lenp);
David S. Miller8cd24ed2006-06-22 22:08:58 -070099extern int of_device_is_compatible(struct device_node *device, const char *);
David S. Millerde8d28b2006-06-22 16:18:54 -0700100extern void *of_get_property(struct device_node *node, const char *name,
101 int *lenp);
David S. Millerc4c31fe2007-03-01 18:10:25 -0800102#define get_property(node,name,lenp) of_get_property(node,name,lenp)
David S. Millerfb7cd9d2006-06-25 23:18:36 -0700103extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
David S. Miller6d307722006-06-21 23:07:29 -0700104extern int of_getintprop_default(struct device_node *np,
105 const char *name,
106 int def);
David S. Miller3ae9a3482006-06-29 14:34:12 -0700107extern int of_n_addr_cells(struct device_node *np);
108extern int of_n_size_cells(struct device_node *np);
David S. Miller372b07b2006-06-21 15:35:28 -0700109
110extern void prom_build_devicetree(void);
111
112#endif /* __KERNEL__ */
113#endif /* _SPARC64_PROM_H */