*/
#include <linux/types.h>
#include <linux/bitops.h>
+#include <linux/kref.h>
#include <linux/mod_devicetable.h>
+#include <linux/spinlock.h>
+
+#include <asm/byteorder.h>
+
+#ifdef CONFIG_OF
+
+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 phandle;
+ 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
+};
+
+/* Pointer for first entry in chain of all nodes. */
+extern struct device_node *allnodes;
+extern struct device_node *of_chosen;
+extern rwlock_t devtree_lock;
+
+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);
+}
+
+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 __be32 *cell, int size)
+{
+ u64 r = 0;
+ while (size--)
+ r = (r << 32) | be32_to_cpu(*(cell++));
+ return r;
+}
+
+/* Like of_read_number, but we want an unsigned long result */
+static inline unsigned long of_read_ulong(const __be32 *cell, int size)
+{
+ /* toss away upper bits if unsigned long is smaller than u64 */
+ return of_read_number(cell, size);
+}
#include <asm/prom.h>
+/* Default #address and #size cells. Allow arch asm/prom.h to override */
+#if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT)
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
+#endif
+
+/* Default string compare functions, Allow arch asm/prom.h to override */
+#if !defined(of_compat_cmp)
+#define of_compat_cmp(s1, s2, l) strcasecmp((s1), (s2))
+#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
+#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
+#endif
+
/* 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,
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_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);
+
+extern int of_machine_is_compatible(const char *compat);
+
+extern int prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_remove_property(struct device_node *np, struct property *prop);
+extern int prom_update_property(struct device_node *np,
+ struct property *newprop,
+ struct property *oldprop);
+
+#if defined(CONFIG_OF_DYNAMIC)
+/* For updating the device tree at runtime */
+extern void of_attach_node(struct device_node *);
+extern void of_detach_node(struct device_node *);
+#endif
+#endif /* CONFIG_OF */
#endif /* _LINUX_OF_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff