blob: 0733170e02ca5ea621ad2fb06eeff144a5b8c45f [file] [log] [blame]
Grant Likely9d24c882009-10-15 10:57:44 -06001#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
David S. Miller942a6bd2006-06-23 15:53:31 -07002#ifndef _SPARC_PROM_H
3#define _SPARC_PROM_H
4#ifdef __KERNEL__
5
David S. Miller942a6bd2006-06-23 15:53:31 -07006/*
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.
David S. Miller97b48722007-11-16 00:54:35 -080013 * Updates for SPARC by David S. Miller
David S. Miller942a6bd2006-06-23 15:53:31 -070014 *
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 */
David S. Miller942a6bd2006-06-23 15:53:31 -070020#include <linux/types.h>
21#include <linux/proc_fs.h>
David S. Miller2481d762008-08-19 21:56:35 -070022#include <linux/mutex.h>
David S. Miller942a6bd2006-06-23 15:53:31 -070023#include <asm/atomic.h>
24
Stephen Rothwell97e873e2007-05-01 16:26:07 +100025#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
26#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
27
Stephen Rothwell0081cbc2007-05-01 16:29:19 +100028#define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l))
Stephen Rothwell581b6052007-04-24 16:46:53 +100029#define of_prop_cmp(s1, s2) strcasecmp((s1), (s2))
Stephen Rothwell1ef4d422007-04-24 17:57:33 +100030#define of_node_cmp(s1, s2) strcmp((s1), (s2))
Stephen Rothwell0081cbc2007-05-01 16:29:19 +100031
David S. Miller942a6bd2006-06-23 15:53:31 -070032typedef u32 phandle;
33typedef u32 ihandle;
34
David S. Miller942a6bd2006-06-23 15:53:31 -070035struct property {
36 char *name;
37 int length;
38 void *value;
39 struct property *next;
David S. Millerfb7cd9d2006-06-25 23:18:36 -070040 unsigned long _flags;
David S. Miller87b385d2006-06-25 23:18:57 -070041 unsigned int unique_id;
David S. Miller942a6bd2006-06-23 15:53:31 -070042};
43
David S. Miller97b48722007-11-16 00:54:35 -080044struct of_irq_controller;
David S. Miller942a6bd2006-06-23 15:53:31 -070045struct device_node {
Stephen Rothwell711b3602007-04-12 14:38:34 -070046 const char *name;
47 const char *type;
David S. Miller942a6bd2006-06-23 15:53:31 -070048 phandle node;
David S. Miller942a6bd2006-06-23 15:53:31 -070049 char *path_component_name;
50 char *full_name;
51
52 struct property *properties;
53 struct property *deadprops; /* removed properties */
54 struct device_node *parent;
55 struct device_node *child;
56 struct device_node *sibling;
57 struct device_node *next; /* next device of same type */
58 struct device_node *allnext; /* next in list of all nodes */
59 struct proc_dir_entry *pde; /* this node's proc directory */
60 struct kref kref;
61 unsigned long _flags;
62 void *data;
David S. Miller87b385d2006-06-25 23:18:57 -070063 unsigned int unique_id;
David S. Miller97b48722007-11-16 00:54:35 -080064
65 struct of_irq_controller *irq_trans;
66};
67
68struct of_irq_controller {
69 unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
70 void *data;
David S. Miller942a6bd2006-06-23 15:53:31 -070071};
72
David S. Millerfb7cd9d2006-06-25 23:18:36 -070073#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
74#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
75
David S. Miller97b48722007-11-16 00:54:35 -080076extern struct device_node *of_find_node_by_cpuid(int cpuid);
David S. Millerfb7cd9d2006-06-25 23:18:36 -070077extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
David S. Miller2481d762008-08-19 21:56:35 -070078extern struct mutex of_set_property_mutex;
David S. Miller942a6bd2006-06-23 15:53:31 -070079extern int of_getintprop_default(struct device_node *np,
80 const char *name,
81 int def);
David S. Miller46bcea72007-08-07 18:46:36 -070082extern int of_find_in_proplist(const char *list, const char *match, int len);
David S. Millerc1b1a5f12008-03-19 04:52:48 -070083#ifdef CONFIG_NUMA
84extern int of_node_to_nid(struct device_node *dp);
85#else
86#define of_node_to_nid(dp) (-1)
87#endif
David S. Miller942a6bd2006-06-23 15:53:31 -070088
89extern void prom_build_devicetree(void);
David S. Miller9bab5412009-05-26 21:46:14 -070090extern void of_populate_present_mask(void);
David S. Miller890db402009-04-01 03:13:15 -070091extern void of_fill_in_cpu_data(void);
David S. Miller942a6bd2006-06-23 15:53:31 -070092
Stephen Rothwelle679c5f2007-04-24 17:16:16 +100093/* Dummy ref counting routines - to be implemented later */
94static inline struct device_node *of_node_get(struct device_node *node)
95{
96 return node;
97}
98static inline void of_node_put(struct device_node *node)
99{
100}
101
David S. Miller44266212008-08-20 16:34:39 -0700102/* These routines are here to provide compatibility with how powerpc
103 * handles IRQ mapping for OF device nodes. We precompute and permanently
104 * register them in the of_device objects, whereas powerpc computes them
105 * on request.
106 */
David S. Miller51e0f0042008-08-25 16:44:58 -0700107extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
108static inline void irq_dispose_mapping(unsigned int virq)
109{
110}
David S. Miller44266212008-08-20 16:34:39 -0700111
David S. Millerc73fcc82007-07-20 16:59:26 -0700112extern struct device_node *of_console_device;
113extern char *of_console_path;
114extern char *of_console_options;
115
Konrad Eisele0fd7ef12009-08-17 00:13:31 +0000116extern void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp);
117extern char *build_full_name(struct device_node *dp);
118
David S. Miller942a6bd2006-06-23 15:53:31 -0700119#endif /* __KERNEL__ */
120#endif /* _SPARC_PROM_H */