projects / mirror_ubuntu-bionic-kernel.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); | |
| 1b3d4200 | 18 | extern void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max); |
| eb29d8d2 MT |
19 | extern void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, |
| 20 | unsigned long offset, | |
| 21 | unsigned long maxlen); | |
| 1b3d4200 LR |
22 | extern void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, |
| 23 | unsigned long offset, | |
| 24 | unsigned long maxlen); | |
| b923650b MT |
25 | /* Create a virtual mapping cookie for a port on a given PCI device. |
| 26 | * Do not call this directly, it exists to make it easier for architectures | |
| 27 | * to override */ | |
| 28 | #ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP | |
| 29 | extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port, | |
| 30 | unsigned int nr); | |
| 31 | #else | |
| 32 | #define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr)) | |
| 33 | #endif | |
| 34 | ||
| 97a29d59 | 35 | #elif defined(CONFIG_GENERIC_PCI_IOMAP) |
| 66eab4df MT |
36 | static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) |
| 37 | { | |
| 38 | return NULL; | |
| 39 | } | |
| eb29d8d2 | 40 | |
| 1b3d4200 LR |
41 | static inline void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max) |
| 42 | { | |
| 43 | return NULL; | |
| 44 | } | |
| eb29d8d2 MT |
45 | static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, |
| 46 | unsigned long offset, | |
| 47 | unsigned long maxlen) | |
| 48 | { | |
| 49 | return NULL; | |
| 50 | } | |
| 1b3d4200 LR |
51 | static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, |
| 52 | unsigned long offset, | |
| 53 | unsigned long maxlen) | |
| 54 | { | |
| 55 | return NULL; | |
| 56 | } | |
| 66eab4df MT |
57 | #endif |
| 58 | ||
| 59 | #endif /* __ASM_GENERIC_IO_H */ |