projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | 31 | int ioremap_page_range(unsigned long addr, unsigned long end, |
| ffa71f33 | 32 | phys_addr_t phys_addr, pgprot_t prot); |
| 218f0aae PM |
33 | #else |
| 34 | static inline int ioremap_page_range(unsigned long addr, unsigned long end, | |
| ffa71f33 | 35 | phys_addr_t phys_addr, pgprot_t prot) |
| 218f0aae PM |
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 | 60 | |
| 4f452e8a | 61 | void __iomem *devm_ioremap(struct device *dev, resource_size_t offset, |
| 9ac7849e | 62 | unsigned long size); |
| 4f452e8a | 63 | void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset, |
| 9ac7849e TH |
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); | |
| b41e5fff | 68 | void devm_ioremap_release(struct device *dev, void *res); |
| e50190a8 | 69 | |
| c27a0d75 | 70 | #endif /* _LINUX_IO_H */ |