projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 66eab4df MT |
1 | /* Generic I/O port emulation, based on MN10300 code |
| 2 | * | |
| 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
| 4 | * Written by David Howells (dhowells@redhat.com) | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public Licence | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the Licence, or (at your option) any later version. | |
| 10 | */ | |
| 11 | #ifndef __ASM_GENERIC_PCI_IOMAP_H | |
| 12 | #define __ASM_GENERIC_PCI_IOMAP_H | |
| 13 | ||
| 14 | struct pci_dev; | |
| 15 | #ifdef CONFIG_PCI | |
| 16 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | |
| 17 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | |
| b923650b MT |
18 | /* Create a virtual mapping cookie for a port on a given PCI device. |
| 19 | * Do not call this directly, it exists to make it easier for architectures | |
| 20 | * to override */ | |
| 21 | #ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP | |
| 22 | extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port, | |
| 23 | unsigned int nr); | |
| 24 | #else | |
| 25 | #define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr)) | |
| 26 | #endif | |
| 27 | ||
| 97a29d59 | 28 | #elif defined(CONFIG_GENERIC_PCI_IOMAP) |
| 66eab4df MT |
29 | static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) |
| 30 | { | |
| 31 | return NULL; | |
| 32 | } | |
| 33 | #endif | |
| 34 | ||
| 35 | #endif /* __ASM_GENERIC_IO_H */ |