1 #ifndef _SPARC_PROM_H 2 #define _SPARC_PROM_H 3 #ifdef __KERNEL__ 4 5 /* 6 * Definitions for talking to the Open Firmware PROM on 7 * Power Macintosh computers. 8 * 9 * Copyright (C) 1996-2005 Paul Mackerras. 10 * 11 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. 12 * Updates for SPARC by David S. Miller 13 * 14 * This program is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU General Public License 16 * as published by the Free Software Foundation; either version 17 * 2 of the License, or (at your option) any later version. 18 */ 19 #include <linux/types.h> 20 #include <linux/proc_fs.h> 21 #include <linux/mutex.h> 22 #include <asm/atomic.h> 23 24 #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2 25 #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 26 27 #define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l)) 28 #define of_prop_cmp(s1, s2) strcasecmp((s1), (s2)) 29 #define of_node_cmp(s1, s2) strcmp((s1), (s2)) 30 31 typedef u32 phandle; 32 typedef u32 ihandle; 33 34 struct property { 35 char *name; 36 int length; 37 void *value; 38 struct property *next; 39 unsigned long _flags; 40 unsigned int unique_id; 41 }; 42 43 struct of_irq_controller; 44 struct device_node { 45 const char *name; 46 const char *type; 47 phandle node; 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 unsigned int unique_id; 63 64 struct of_irq_controller *irq_trans; 65 }; 66 67 struct of_irq_controller { 68 unsigned int (*irq_build)(struct device_node *, unsigned int, void *); 69 void *data; 70 }; 71 72 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) 73 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) 74 75 extern struct device_node *of_find_node_by_cpuid(int cpuid); 76 extern int of_set_property(struct device_node *node, const char *name, void *val, int len); 77 extern struct mutex of_set_property_mutex; 78 extern int of_getintprop_default(struct device_node *np, 79 const char *name, 80 int def); 81 extern int of_find_in_proplist(const char *list, const char *match, int len); 82 #ifdef CONFIG_NUMA 83 extern int of_node_to_nid(struct device_node *dp); 84 #else 85 #define of_node_to_nid(dp) (-1) 86 #endif 87 88 extern void prom_build_devicetree(void); 89 90 /* Dummy ref counting routines - to be implemented later */ 91 static inline struct device_node *of_node_get(struct device_node *node) 92 { 93 return node; 94 } 95 static inline void of_node_put(struct device_node *node) 96 { 97 } 98 99 /* These routines are here to provide compatibility with how powerpc 100 * handles IRQ mapping for OF device nodes. We precompute and permanently 101 * register them in the of_device objects, whereas powerpc computes them 102 * on request. 103 */ 104 extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); 105 static inline void irq_dispose_mapping(unsigned int virq) 106 { 107 } 108 109 /* 110 * NB: This is here while we transition from using asm/prom.h 111 * to linux/of.h 112 */ 113 #include <linux/of.h> 114 115 extern struct device_node *of_console_device; 116 extern char *of_console_path; 117 extern char *of_console_options; 118 119 #endif /* __KERNEL__ */ 120 #endif /* _SPARC_PROM_H */ 121