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- /* Generic I/O port emulation, based on MN10300 code
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
- #ifndef __ASM_GENERIC_PCI_IOMAP_H
- #define __ASM_GENERIC_PCI_IOMAP_H
- struct pci_dev;
- #ifdef CONFIG_PCI
- /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
- extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
- /* Create a virtual mapping cookie for a port on a given PCI device.
- * Do not call this directly, it exists to make it easier for architectures
- * to override */
- #ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP
- extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
- unsigned int nr);
- #else
- #define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
- #endif
- #elif defined(CONFIG_GENERIC_PCI_IOMAP)
- static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
- {
- return NULL;
- }
- #endif
- #endif /* __ASM_GENERIC_IO_H */
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