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c27a0d75 BS |
1 | /* |
2 | * Copyright 2006 PathScale, Inc. All Rights Reserved. | |
3 | * | |
4 | * This file is free software; you can redistribute it and/or modify | |
5 | * it under the terms of version 2 of the GNU General Public License | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
16 | */ | |
17 | ||
18 | #ifndef _LINUX_IO_H | |
19 | #define _LINUX_IO_H | |
20 | ||
cb1055fb | 21 | #include <linux/types.h> |
c27a0d75 | 22 | #include <asm/io.h> |
74588d8b | 23 | #include <asm/page.h> |
c27a0d75 | 24 | |
7f253770 AM |
25 | struct device; |
26 | ||
c27a0d75 | 27 | void __iowrite32_copy(void __iomem *to, const void *from, size_t count); |
22ae813b | 28 | void __iowrite64_copy(void __iomem *to, const void *from, size_t count); |
c27a0d75 | 29 | |
218f0aae | 30 | #ifdef CONFIG_MMU |
74588d8b HS |
31 | int ioremap_page_range(unsigned long addr, unsigned long end, |
32 | unsigned long phys_addr, pgprot_t prot); | |
218f0aae PM |
33 | #else |
34 | static inline int ioremap_page_range(unsigned long addr, unsigned long end, | |
35 | unsigned long phys_addr, pgprot_t prot) | |
36 | { | |
37 | return 0; | |
38 | } | |
39 | #endif | |
74588d8b | 40 | |
9ac7849e TH |
41 | /* |
42 | * Managed iomap interface | |
43 | */ | |
93da2879 | 44 | #ifdef CONFIG_HAS_IOPORT |
9ac7849e TH |
45 | void __iomem * devm_ioport_map(struct device *dev, unsigned long port, |
46 | unsigned int nr); | |
47 | void devm_ioport_unmap(struct device *dev, void __iomem *addr); | |
93da2879 RK |
48 | #else |
49 | static inline void __iomem *devm_ioport_map(struct device *dev, | |
50 | unsigned long port, | |
51 | unsigned int nr) | |
52 | { | |
53 | return NULL; | |
54 | } | |
55 | ||
56 | static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr) | |
57 | { | |
58 | } | |
59 | #endif | |
9ac7849e TH |
60 | |
61 | void __iomem * devm_ioremap(struct device *dev, unsigned long offset, | |
62 | unsigned long size); | |
63 | void __iomem * devm_ioremap_nocache(struct device *dev, unsigned long offset, | |
64 | unsigned long size); | |
65 | void devm_iounmap(struct device *dev, void __iomem *addr); | |
cc2ea416 AM |
66 | int check_signature(const volatile void __iomem *io_addr, |
67 | const unsigned char *signature, int length); | |
e50190a8 | 68 | |
c27a0d75 | 69 | #endif /* _LINUX_IO_H */ |