xref: /linux/include/asm-generic/pci.h (revision 13abf8130139c2ccd4962a7e5a8902be5e6cb5a7)
1 /*
2  * linux/include/asm-generic/pci.h
3  *
4  *  Copyright (C) 2003 Russell King
5  */
6 #ifndef _ASM_GENERIC_PCI_H
7 #define _ASM_GENERIC_PCI_H
8 
9 /**
10  * pcibios_resource_to_bus - convert resource to PCI bus address
11  * @dev: device which owns this resource
12  * @region: converted bus-centric region (start,end)
13  * @res: resource to convert
14  *
15  * Convert a resource to a PCI device bus address or bus window.
16  */
17 static inline void
18 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
19 			 struct resource *res)
20 {
21 	region->start = res->start;
22 	region->end = res->end;
23 }
24 
25 static inline void
26 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
27 			struct pci_bus_region *region)
28 {
29 	res->start = region->start;
30 	res->end = region->end;
31 }
32 
33 #define pcibios_scan_all_fns(a, b)	0
34 
35 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
36 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
37 {
38 	return channel ? 15 : 14;
39 }
40 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
41 
42 #endif
43