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