| Michael S. Tsirkin | 66eab4d | 2011-11-24 20:45:20 +0200 | [diff] [blame] | 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); |
| Michael S. Tsirkin | b923650 | 2012-01-30 00:20:48 +0200 | [diff] [blame] | 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 | |
| James Bottomley | 97a29d5 | 2012-01-30 10:40:47 -0600 | [diff] [blame] | 28 | #elif defined(CONFIG_GENERIC_PCI_IOMAP) |
| Michael S. Tsirkin | 66eab4d | 2011-11-24 20:45:20 +0200 | [diff] [blame] | 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 */ |