2 * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
3 * <benh@kernel.crashing.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #ifndef _ASM_POWERPC_DCR_GENERIC_H
21 #define _ASM_POWERPC_DCR_GENERIC_H
25 enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID};
28 enum host_type_t type;
31 dcr_host_native_t native;
35 extern bool dcr_map_ok_generic(dcr_host_t host);
37 extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n,
39 extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c);
41 extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n);
43 extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value);
45 #endif /* __ASSEMBLY__ */
46 #endif /* __KERNEL__ */
47 #endif /* _ASM_POWERPC_DCR_GENERIC_H */