| /* |
| * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. |
| * <benh@kernel.crashing.org> |
| * |
| * 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; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef _ASM_POWERPC_DCR_GENERIC_H |
| #define _ASM_POWERPC_DCR_GENERIC_H |
| #ifdef __KERNEL__ |
| #ifndef __ASSEMBLY__ |
| |
| enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID}; |
| |
| typedef struct { |
| enum host_type_t type; |
| union { |
| dcr_host_mmio_t mmio; |
| dcr_host_native_t native; |
| } host; |
| } dcr_host_t; |
| |
| extern bool dcr_map_ok_generic(dcr_host_t host); |
| |
| extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n, |
| unsigned int dcr_c); |
| extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c); |
| |
| extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n); |
| |
| extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value); |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __KERNEL__ */ |
| #endif /* _ASM_POWERPC_DCR_GENERIC_H */ |
| |
| |
