0,0 → 1,59 |
/* 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); |
extern void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max); |
extern void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, |
unsigned long offset, |
unsigned long maxlen); |
extern void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, |
unsigned long offset, |
unsigned long maxlen); |
/* 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; |
} |
|
static inline void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long max) |
{ |
return NULL; |
} |
static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, |
unsigned long offset, |
unsigned long maxlen) |
{ |
return NULL; |
} |
static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, |
unsigned long offset, |
unsigned long maxlen) |
{ |
return NULL; |
} |
#endif |
|
#endif /* __ASM_GENERIC_IO_H */ |