diff options
Diffstat (limited to 'arch/powerpc/include/asm/dcr-generic.h')
-rw-r--r-- | arch/powerpc/include/asm/dcr-generic.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/dcr-generic.h b/arch/powerpc/include/asm/dcr-generic.h new file mode 100644 index 00000000000..35b71599ec4 --- /dev/null +++ b/arch/powerpc/include/asm/dcr-generic.h | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. | ||
3 | * <benh@kernel.crashing.org> | ||
4 | * | ||
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. | ||
9 | * | ||
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. | ||
14 | * | ||
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 | ||
18 | */ | ||
19 | |||
20 | #ifndef _ASM_POWERPC_DCR_GENERIC_H | ||
21 | #define _ASM_POWERPC_DCR_GENERIC_H | ||
22 | #ifdef __KERNEL__ | ||
23 | #ifndef __ASSEMBLY__ | ||
24 | |||
25 | enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID}; | ||
26 | |||
27 | typedef struct { | ||
28 | enum host_type_t type; | ||
29 | union { | ||
30 | dcr_host_mmio_t mmio; | ||
31 | dcr_host_native_t native; | ||
32 | } host; | ||
33 | } dcr_host_t; | ||
34 | |||
35 | extern bool dcr_map_ok_generic(dcr_host_t host); | ||
36 | |||
37 | extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n, | ||
38 | unsigned int dcr_c); | ||
39 | extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c); | ||
40 | |||
41 | extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n); | ||
42 | |||
43 | extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value); | ||
44 | |||
45 | #endif /* __ASSEMBLY__ */ | ||
46 | #endif /* __KERNEL__ */ | ||
47 | #endif /* _ASM_POWERPC_DCR_GENERIC_H */ | ||
48 | |||
49 | |||