string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / include / linux / of.h

diff --git a/include/linux/of.h b/include/linux/of.h
index 6981016..e7facd8 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -17,14 +17,117 @@
  */
 #include <linux/types.h>
 #include <linux/bitops.h>
+#include <linux/kref.h>
 #include <linux/mod_devicetable.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;
+};
+
+#if defined(CONFIG_SPARC)
+struct of_irq_controller;
+#endif
+
+struct device_node {
+       const char *name;
+       const char *type;
+       phandle node;
+#if !defined(CONFIG_SPARC)
+       phandle linux_phandle;
+#endif
+       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;
+#if defined(CONFIG_SPARC)
+       char    *path_component_name;
+       unsigned int unique_id;
+       struct of_irq_controller *irq_trans;
+#endif
+};
+
+static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
+{
+       return test_bit(flag, &n->_flags);
+}
+
+static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
+{
+       set_bit(flag, &n->_flags);
+}
+
+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_all_nodes(struct device_node *prev);
+
+#if defined(CONFIG_SPARC)
+/* Dummy ref counting routines - to be implemented later */
+static inline struct device_node *of_node_get(struct device_node *node)
+{
+       return node;
+}
+static inline void of_node_put(struct device_node *node)
+{
+}
+
+#else
+extern struct device_node *of_node_get(struct device_node *node);
+extern void of_node_put(struct device_node *node);
+#endif
+
+/*
+ * OF address retreival & translation
+ */
+
+/* Helper to read a big number; size is in cells (not bytes) */
+static inline u64 of_read_number(const u32 *cell, int size)
+{
+       u64 r = 0;
+       while (size--)
+               r = (r << 32) | *(cell++);
+       return r;
+}
+
+/* Like of_read_number, but we want an unsigned long result */
+#ifdef CONFIG_PPC32
+static inline unsigned long of_read_ulong(const u32 *cell, int size)
+{
+       return cell[size-1];
+}
+#else
+#define of_read_ulong(cell, size)      of_read_number(cell, size)
+#endif
+
 #include <asm/prom.h>
 
 /* flag descriptions */
 #define OF_DYNAMIC     1 /* node and properties were allocated via kmalloc */
 #define OF_DETACHED    2 /* node has been detached from the device tree */
 
+#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)
 
 extern struct device_node *of_find_node_by_name(struct device_node *from,
@@ -57,11 +160,18 @@ extern struct device_node *of_get_next_child(const struct device_node *node,
        for (child = of_get_next_child(parent, NULL); child != NULL; \
             child = of_get_next_child(parent, child))
 
+extern struct device_node *of_find_node_with_property(
+       struct device_node *from, const char *prop_name);
+#define for_each_node_with_property(dn, prop_name) \
+       for (dn = of_find_node_with_property(NULL, prop_name); dn; \
+            dn = of_find_node_with_property(dn, prop_name))
+
 extern struct property *of_find_property(const struct device_node *np,
                                         const char *name,
                                         int *lenp);
 extern int of_device_is_compatible(const struct device_node *device,
                                   const char *);
+extern int of_device_is_available(const struct device_node *device);
 extern const void *of_get_property(const struct device_node *node,
                                const char *name,
                                int *lenp);
@@ -69,5 +179,12 @@ extern int of_n_addr_cells(struct device_node *np);
 extern int of_n_size_cells(struct device_node *np);
 extern const struct of_device_id *of_match_node(
        const struct of_device_id *matches, const struct device_node *node);
+extern int of_modalias_node(struct device_node *node, char *modalias, int len);
+extern struct device_node *of_parse_phandle(struct device_node *np,
+                                           const char *phandle_name,
+                                           int index);
+extern int of_parse_phandles_with_args(struct device_node *np,
+       const char *list_name, const char *cells_name, int index,
+       struct device_node **out_node, const void **out_args);
 
 #endif /* _LINUX_OF_H */