Linux Kernel
3.7.1
Main Page
Related Pages
Modules
Namespaces
Data Structures
Files
File List
Globals
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Groups
Pages
arch
powerpc
include
asm
dcr.h
Go to the documentation of this file.
1
/*
2
* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
3
* <
[email protected]
>
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_H
21
#define _ASM_POWERPC_DCR_H
22
#ifdef __KERNEL__
23
#ifndef __ASSEMBLY__
24
#ifdef CONFIG_PPC_DCR
25
26
#ifdef CONFIG_PPC_DCR_NATIVE
27
#include <
asm/dcr-native.h
>
28
#endif
29
30
#ifdef CONFIG_PPC_DCR_MMIO
31
#include <
asm/dcr-mmio.h
>
32
#endif
33
34
35
/* Indirection layer for providing both NATIVE and MMIO support. */
36
37
#if defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO)
38
39
#include <
asm/dcr-generic.h
>
40
41
#define DCR_MAP_OK(host) dcr_map_ok_generic(host)
42
#define dcr_map(dev, dcr_n, dcr_c) dcr_map_generic(dev, dcr_n, dcr_c)
43
#define dcr_unmap(host, dcr_c) dcr_unmap_generic(host, dcr_c)
44
#define dcr_read(host, dcr_n) dcr_read_generic(host, dcr_n)
45
#define dcr_write(host, dcr_n, value) dcr_write_generic(host, dcr_n, value)
46
47
#else
48
49
#ifdef CONFIG_PPC_DCR_NATIVE
50
typedef
dcr_host_native_t dcr_host_t;
51
#define DCR_MAP_OK(host) dcr_map_ok_native(host)
52
#define dcr_map(dev, dcr_n, dcr_c) dcr_map_native(dev, dcr_n, dcr_c)
53
#define dcr_unmap(host, dcr_c) dcr_unmap_native(host, dcr_c)
54
#define dcr_read(host, dcr_n) dcr_read_native(host, dcr_n)
55
#define dcr_write(host, dcr_n, value) dcr_write_native(host, dcr_n, value)
56
#else
57
typedef
dcr_host_mmio_t dcr_host_t;
58
#define DCR_MAP_OK(host) dcr_map_ok_mmio(host)
59
#define dcr_map(dev, dcr_n, dcr_c) dcr_map_mmio(dev, dcr_n, dcr_c)
60
#define dcr_unmap(host, dcr_c) dcr_unmap_mmio(host, dcr_c)
61
#define dcr_read(host, dcr_n) dcr_read_mmio(host, dcr_n)
62
#define dcr_write(host, dcr_n, value) dcr_write_mmio(host, dcr_n, value)
63
#endif
64
65
#endif
/* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
66
67
/*
68
* additional helpers to read the DCR * base from the device-tree
69
*/
70
struct
device_node
;
71
extern
unsigned
int
dcr_resource_start
(
const
struct
device_node
*np,
72
unsigned
int
index
);
73
extern
unsigned
int
dcr_resource_len
(
const
struct
device_node
*np,
74
unsigned
int
index
);
75
#endif
/* CONFIG_PPC_DCR */
76
#endif
/* __ASSEMBLY__ */
77
#endif
/* __KERNEL__ */
78
#endif
/* _ASM_POWERPC_DCR_H */
Generated on Thu Jan 10 2013 13:13:08 for Linux Kernel by
1.8.2