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 property { 29 char *name; 30 int length; 31 void *value; 32 struct property *next; 33 unsigned long _flags; 34 unsigned int unique_id; 35}; 36 37struct device_node { 38 const char *name; 39 const char *type; 40 phandle node; 41 char *path_component_name; 42 char *full_name; 43 44 struct property *properties; 45 struct property *deadprops; /* removed properties */ 46 struct device_node *parent; 47 struct device_node *child; 48 struct device_node *sibling; 49 struct device_node *next; /* next device of same type */ 50 struct device_node *allnext; /* next in list of all nodes */ 51 struct proc_dir_entry *pde; /* this node's proc directory */ 52 struct kref kref; 53 unsigned long _flags; 54 void *data; 55 unsigned int unique_id; 56}; 57 58/* flag descriptions */ 59#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ 60 61#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) 62#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) 63 64#define OF_BAD_ADDR ((u64)-1) 65 66static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) 67{ 68 dn->pde = de; 69} 70 71extern struct device_node *of_find_node_by_name(struct device_node *from, 72 const char *name); 73#define for_each_node_by_name(dn, name) \ 74 for (dn = of_find_node_by_name(NULL, name); dn; \ 75 dn = of_find_node_by_name(dn, name)) 76extern struct device_node *of_find_node_by_type(struct device_node *from, 77 const char *type); 78#define for_each_node_by_type(dn, type) \ 79 for (dn = of_find_node_by_type(NULL, type); dn; \ 80 dn = of_find_node_by_type(dn, type)) 81extern struct device_node *of_find_compatible_node(struct device_node *from, 82 const char *type, const char *compat); 83extern struct device_node *of_find_node_by_path(const char *path); 84extern struct device_node *of_find_node_by_phandle(phandle handle); 85extern struct device_node *of_get_parent(const struct device_node *node); 86extern struct device_node *of_get_next_child(const struct device_node *node, 87 struct device_node *prev); 88extern struct property *of_find_property(const struct device_node *np, 89 const char *name, 90 int *lenp); 91extern int of_device_is_compatible(const struct device_node *device, 92 const char *); 93extern const void *of_get_property(const struct device_node *node, 94 const char *name, 95 int *lenp); 96#define get_property(node,name,lenp) of_get_property(node,name,lenp) 97extern int of_set_property(struct device_node *node, const char *name, void *val, int len); 98extern int of_getintprop_default(struct device_node *np, 99 const char *name, 100 int def); 101extern int of_n_addr_cells(struct device_node *np); 102extern int of_n_size_cells(struct device_node *np); 103 104extern void prom_build_devicetree(void); 105 106#endif /* __KERNEL__ */ 107#endif /* _SPARC_PROM_H */ 108