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gerrit-public.fairphone.software / kernel / msm-4.9 / c9af5b76ef9e494a07a8baa6998fd6a5d497f35c / . / include / linux / of_address.h
blob: a1984dd037da8c13d11a18336fdff331c356fc97 [file] [log] [blame]
Grant Likely6b884a82010-06-08 07:48:09 -0600[diff] [blame]1#ifndef __OF_ADDRESS_H
2#define __OF_ADDRESS_H
3#include <linux/ioport.h>
Grant Likely99ce39e2011-07-05 23:42:37 -0600[diff] [blame]4#include <linux/errno.h>
Grant Likely6b884a82010-06-08 07:48:09 -0600[diff] [blame]5#include <linux/of.h>
6
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]7#ifdef CONFIG_OF_ADDRESS
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +0100[diff] [blame]8extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
Stephen Warren5d61b162012-07-25 17:34:37 -0600[diff] [blame]9extern bool of_can_translate_address(struct device_node *dev);
Grant Likely1f5bef32010-06-08 07:48:09 -0600[diff] [blame]10extern int of_address_to_resource(struct device_node *dev, int index,
11 struct resource *r);
Grant Likely90e33f62011-07-05 23:42:28 -0600[diff] [blame]12extern struct device_node *of_find_matching_node_by_address(
13 struct device_node *from,
14 const struct of_device_id *matches,
15 u64 base_address);
Grant Likely6b884a82010-06-08 07:48:09 -0600[diff] [blame]16extern void __iomem *of_iomap(struct device_node *device, int index);
17
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]18/* Extract an address from a device, returns the region size and
19 * the address space flags too. The PCI version uses a BAR number
20 * instead of an absolute index
21 */
Kim Phillips47b1e682012-10-08 19:41:58 -0500[diff] [blame]22extern const __be32 *of_get_address(struct device_node *dev, int index,
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]23 u64 *size, unsigned int *flags);
24
25#ifndef pci_address_to_pio
26static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
27#define pci_address_to_pio pci_address_to_pio
28#endif
29
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]30#else /* CONFIG_OF_ADDRESS */
31static inline int of_address_to_resource(struct device_node *dev, int index,
32 struct resource *r)
33{
34 return -EINVAL;
35}
36static inline struct device_node *of_find_matching_node_by_address(
37 struct device_node *from,
38 const struct of_device_id *matches,
39 u64 base_address)
40{
41 return NULL;
42}
43static inline void __iomem *of_iomap(struct device_node *device, int index)
44{
45 return NULL;
46}
Kim Phillips47b1e682012-10-08 19:41:58 -0500[diff] [blame]47static inline const __be32 *of_get_address(struct device_node *dev, int index,
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]48 u64 *size, unsigned int *flags)
49{
50 return NULL;
51}
52#endif /* CONFIG_OF_ADDRESS */
53
54
55#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +0100[diff] [blame]56extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]57 u64 *size, unsigned int *flags);
58extern int of_pci_address_to_resource(struct device_node *dev, int bar,
59 struct resource *r);
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]60#else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]61static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
62 struct resource *r)
63{
64 return -ENOSYS;
65}
66
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +0100[diff] [blame]67static inline const __be32 *of_get_pci_address(struct device_node *dev,
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]68 int bar_no, u64 *size, unsigned int *flags)
69{
70 return NULL;
71}
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]72#endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]73
Grant Likely6b884a82010-06-08 07:48:09 -0600[diff] [blame]74#endif /* __OF_ADDRESS_H */
75