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); 18 #else 19 static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) 20 { 21 return NULL; 22 } 23 #endif 24 25 #endif /* __ASM_GENERIC_IO_H */ 26