| Stephen Rothwell | 76c1ce7 | 2007-05-01 16:19:07 +1000 | [diff] [blame] | 1 | #ifndef _LINUX_OF_H |
| 2 | #define _LINUX_OF_H |
| 3 | /* |
| 4 | * Definitions for talking to the Open Firmware PROM on |
| 5 | * Power Macintosh and other computers. |
| 6 | * |
| 7 | * Copyright (C) 1996-2005 Paul Mackerras. |
| 8 | * |
| 9 | * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. |
| 10 | * Updates for SPARC64 by David S. Miller |
| 11 | * Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp. |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License |
| 15 | * as published by the Free Software Foundation; either version |
| 16 | * 2 of the License, or (at your option) any later version. |
| 17 | */ |
| 18 | #include <linux/types.h> |
| 19 | |
| 20 | #include <asm/bitops.h> |
| 21 | #include <asm/prom.h> |
| 22 | |
| 23 | /* flag descriptions */ |
| 24 | #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ |
| 25 | #define OF_DETACHED 2 /* node has been detached from the device tree */ |
| 26 | |
| 27 | #define OF_BAD_ADDR ((u64)-1) |
| 28 | |
| 29 | extern struct device_node *of_find_node_by_name(struct device_node *from, |
| 30 | const char *name); |
| 31 | #define for_each_node_by_name(dn, name) \ |
| 32 | for (dn = of_find_node_by_name(NULL, name); dn; \ |
| 33 | dn = of_find_node_by_name(dn, name)) |
| 34 | extern struct device_node *of_find_node_by_type(struct device_node *from, |
| 35 | const char *type); |
| 36 | #define for_each_node_by_type(dn, type) \ |
| 37 | for (dn = of_find_node_by_type(NULL, type); dn; \ |
| 38 | dn = of_find_node_by_type(dn, type)) |
| 39 | extern struct device_node *of_find_compatible_node(struct device_node *from, |
| 40 | const char *type, const char *compat); |
| 41 | #define for_each_compatible_node(dn, type, compatible) \ |
| 42 | for (dn = of_find_compatible_node(NULL, type, compatible); dn; \ |
| 43 | dn = of_find_compatible_node(dn, type, compatible)) |
| 44 | extern struct device_node *of_find_node_by_path(const char *path); |
| 45 | extern struct device_node *of_find_node_by_phandle(phandle handle); |
| 46 | extern struct device_node *of_get_parent(const struct device_node *node); |
| 47 | extern struct device_node *of_get_next_child(const struct device_node *node, |
| 48 | struct device_node *prev); |
| 49 | extern struct property *of_find_property(const struct device_node *np, |
| 50 | const char *name, |
| 51 | int *lenp); |
| 52 | extern int of_device_is_compatible(const struct device_node *device, |
| 53 | const char *); |
| 54 | extern const void *of_get_property(const struct device_node *node, |
| 55 | const char *name, |
| 56 | int *lenp); |
| Stephen Rothwell | 76c1ce7 | 2007-05-01 16:19:07 +1000 | [diff] [blame] | 57 | extern int of_n_addr_cells(struct device_node *np); |
| 58 | extern int of_n_size_cells(struct device_node *np); |
| 59 | |
| 60 | #endif /* _LINUX_OF_H */ |