mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 00:04:15 +08:00
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
#ifndef _SPARC_PROM_H
|
|
#define _SPARC_PROM_H
|
|
#ifdef __KERNEL__
|
|
|
|
|
|
/*
|
|
* Definitions for talking to the Open Firmware PROM on
|
|
* Power Macintosh computers.
|
|
*
|
|
* Copyright (C) 1996-2005 Paul Mackerras.
|
|
*
|
|
* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
|
|
* Updates for SPARC32 by David S. Miller
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <asm/atomic.h>
|
|
|
|
typedef u32 phandle;
|
|
typedef u32 ihandle;
|
|
|
|
struct property {
|
|
char *name;
|
|
int length;
|
|
void *value;
|
|
struct property *next;
|
|
unsigned long _flags;
|
|
unsigned int unique_id;
|
|
};
|
|
|
|
struct device_node {
|
|
char *name;
|
|
char *type;
|
|
phandle node;
|
|
char *path_component_name;
|
|
char *full_name;
|
|
|
|
struct property *properties;
|
|
struct property *deadprops; /* removed properties */
|
|
struct device_node *parent;
|
|
struct device_node *child;
|
|
struct device_node *sibling;
|
|
struct device_node *next; /* next device of same type */
|
|
struct device_node *allnext; /* next in list of all nodes */
|
|
struct proc_dir_entry *pde; /* this node's proc directory */
|
|
struct kref kref;
|
|
unsigned long _flags;
|
|
void *data;
|
|
unsigned int unique_id;
|
|
};
|
|
|
|
/* flag descriptions */
|
|
#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
|
|
|
|
#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
|
|
#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
|
|
|
|
#define OF_BAD_ADDR ((u64)-1)
|
|
|
|
static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
|
|
{
|
|
dn->pde = de;
|
|
}
|
|
|
|
extern struct device_node *of_find_node_by_name(struct device_node *from,
|
|
const char *name);
|
|
#define for_each_node_by_name(dn, name) \
|
|
for (dn = of_find_node_by_name(NULL, name); dn; \
|
|
dn = of_find_node_by_name(dn, name))
|
|
extern struct device_node *of_find_node_by_type(struct device_node *from,
|
|
const char *type);
|
|
#define for_each_node_by_type(dn, type) \
|
|
for (dn = of_find_node_by_type(NULL, type); dn; \
|
|
dn = of_find_node_by_type(dn, type))
|
|
extern struct device_node *of_find_compatible_node(struct device_node *from,
|
|
const char *type, const char *compat);
|
|
extern struct device_node *of_find_node_by_path(const char *path);
|
|
extern struct device_node *of_find_node_by_phandle(phandle handle);
|
|
extern struct device_node *of_get_parent(const struct device_node *node);
|
|
extern struct device_node *of_get_next_child(const struct device_node *node,
|
|
struct device_node *prev);
|
|
extern struct property *of_find_property(struct device_node *np,
|
|
const char *name,
|
|
int *lenp);
|
|
extern int of_device_is_compatible(struct device_node *device, const char *);
|
|
extern void *of_get_property(struct device_node *node, const char *name,
|
|
int *lenp);
|
|
extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
|
|
extern int of_getintprop_default(struct device_node *np,
|
|
const char *name,
|
|
int def);
|
|
extern int of_n_addr_cells(struct device_node *np);
|
|
extern int of_n_size_cells(struct device_node *np);
|
|
|
|
extern void prom_build_devicetree(void);
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _SPARC_PROM_H */
|