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gerrit-public.fairphone.software / kernel / msm-4.9 / 67e86524b907ed2189f4875cdbe7a5249c71ebb2 / . / include / linux / of_address.h
blob: 01b925ad8d78c62b7fad6ac84dfb179d9bf3a763 [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);
Grant Likely1f5bef32010-06-08 07:48:09 -0600[diff] [blame]9extern int of_address_to_resource(struct device_node *dev, int index,
10 struct resource *r);
Grant Likely90e33f62011-07-05 23:42:28 -0600[diff] [blame]11extern struct device_node *of_find_matching_node_by_address(
12 struct device_node *from,
13 const struct of_device_id *matches,
14 u64 base_address);
Grant Likely6b884a82010-06-08 07:48:09 -0600[diff] [blame]15extern void __iomem *of_iomap(struct device_node *device, int index);
16
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]17/* Extract an address from a device, returns the region size and
18 * the address space flags too. The PCI version uses a BAR number
19 * instead of an absolute index
20 */
21extern const u32 *of_get_address(struct device_node *dev, int index,
22 u64 *size, unsigned int *flags);
23
24#ifndef pci_address_to_pio
25static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
26#define pci_address_to_pio pci_address_to_pio
27#endif
28
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]29#else /* CONFIG_OF_ADDRESS */
30static inline int of_address_to_resource(struct device_node *dev, int index,
31 struct resource *r)
32{
33 return -EINVAL;
34}
35static inline struct device_node *of_find_matching_node_by_address(
36 struct device_node *from,
37 const struct of_device_id *matches,
38 u64 base_address)
39{
40 return NULL;
41}
42static inline void __iomem *of_iomap(struct device_node *device, int index)
43{
44 return NULL;
45}
46static inline const u32 *of_get_address(struct device_node *dev, int index,
47 u64 *size, unsigned int *flags)
48{
49 return NULL;
50}
51#endif /* CONFIG_OF_ADDRESS */
52
53
54#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +0100[diff] [blame]55extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]56 u64 *size, unsigned int *flags);
57extern int of_pci_address_to_resource(struct device_node *dev, int bar,
58 struct resource *r);
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]59#else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]60static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
61 struct resource *r)
62{
63 return -ENOSYS;
64}
65
Sebastian Andrzej Siewior0131d892010-12-01 10:54:46 +0100[diff] [blame]66static inline const __be32 *of_get_pci_address(struct device_node *dev,
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]67 int bar_no, u64 *size, unsigned int *flags)
68{
69 return NULL;
70}
Grant Likelya850a752012-02-14 14:06:55 -0700[diff] [blame]71#endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
Grant Likely22ae7822010-07-29 11:49:01 -0600[diff] [blame]72
Grant Likely6b884a82010-06-08 07:48:09 -0600[diff] [blame]73#endif /* __OF_ADDRESS_H */
74