2 * Creation Date: <2002/10/03 21:07:27 samuel>
3 * Time-stamp: <2003/10/22 22:45:26 samuel>
7 * device tree interface
9 * Copyright (C) 2002, 2003 Samuel Rydh (samuel@ibrium.se)
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation
20 /* Note 1: MOL uses -1 as the invalid phandle while OpenFirmware uses 0 as the
21 * invalid phandle (it is also the root node).
23 * Note 2: phandles might be negative. For instance, phandles originating from
24 * a real Open Firmware tree might look like 0xff123000 (a ROM address)...
27 typedef enum { kGetRootPhandle=0 } mol_phandle_t; /* must promote to int */
29 extern int prom_close( void );
31 extern mol_phandle_t prom_peer( mol_phandle_t phandle );
32 extern mol_phandle_t prom_child( mol_phandle_t phandle );
33 extern mol_phandle_t prom_parent( mol_phandle_t phandle );
34 extern int prom_package_to_path( mol_phandle_t phandle, char *buf, long buflen );
35 extern int prom_get_prop_len( mol_phandle_t phandle, const char *name );
36 extern int prom_get_prop( mol_phandle_t phandle, const char *name, char *buf, long buflen );
37 extern int prom_get_prop_by_path( const char *path, const char *name, char *buf, long buflen );
38 extern int prom_next_prop( mol_phandle_t phandle, const char *prev, char *buf );
39 extern int prom_set_prop( mol_phandle_t phandle, const char *name, char *buf, long buflen );
40 extern mol_phandle_t prom_create_node( const char *path );
41 extern mol_phandle_t prom_find_device( const char *path );
43 extern mol_phandle_t prom_find_device_type( const char *type, int index );
45 extern int prom_change_phandle( mol_phandle_t old_ph, mol_phandle_t new_ph );