3 #include <linux/ioport.h>
4 #include <linux/errno.h>
7 struct of_pci_range_parser
{
8 struct device_node
*node
;
23 #define for_each_of_pci_range(parser, range) \
24 for (; of_pci_range_parser_one(parser, range);)
26 /* Translate a DMA address from device space to CPU space */
27 extern u64
of_translate_dma_address(struct device_node
*dev
,
28 const __be32
*in_addr
);
30 #ifdef CONFIG_OF_ADDRESS
31 extern u64
of_translate_address(struct device_node
*np
, const __be32
*addr
);
32 extern int of_address_to_resource(struct device_node
*dev
, int index
,
34 extern struct device_node
*of_find_matching_node_by_address(
35 struct device_node
*from
,
36 const struct of_device_id
*matches
,
38 extern void __iomem
*of_iomap(struct device_node
*device
, int index
);
40 /* Extract an address from a device, returns the region size and
41 * the address space flags too. The PCI version uses a BAR number
42 * instead of an absolute index
44 extern const __be32
*of_get_address(struct device_node
*dev
, int index
,
45 u64
*size
, unsigned int *flags
);
47 extern int pci_register_io_range(phys_addr_t addr
, resource_size_t size
);
48 extern unsigned long pci_address_to_pio(phys_addr_t addr
);
49 extern phys_addr_t
pci_pio_to_address(unsigned long pio
);
51 extern int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
52 struct device_node
*node
);
53 extern struct of_pci_range
*of_pci_range_parser_one(
54 struct of_pci_range_parser
*parser
,
55 struct of_pci_range
*range
);
56 extern int of_dma_get_range(struct device_node
*np
, u64
*dma_addr
,
57 u64
*paddr
, u64
*size
);
58 extern bool of_dma_is_coherent(struct device_node
*np
);
59 #else /* CONFIG_OF_ADDRESS */
61 static inline u64
of_translate_address(struct device_node
*np
,
67 static inline struct device_node
*of_find_matching_node_by_address(
68 struct device_node
*from
,
69 const struct of_device_id
*matches
,
75 static inline const __be32
*of_get_address(struct device_node
*dev
, int index
,
76 u64
*size
, unsigned int *flags
)
81 static inline phys_addr_t
pci_pio_to_address(unsigned long pio
)
86 static inline int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
87 struct device_node
*node
)
92 static inline struct of_pci_range
*of_pci_range_parser_one(
93 struct of_pci_range_parser
*parser
,
94 struct of_pci_range
*range
)
99 static inline int of_dma_get_range(struct device_node
*np
, u64
*dma_addr
,
100 u64
*paddr
, u64
*size
)
105 static inline bool of_dma_is_coherent(struct device_node
*np
)
109 #endif /* CONFIG_OF_ADDRESS */
112 extern int of_address_to_resource(struct device_node
*dev
, int index
,
114 void __iomem
*of_iomap(struct device_node
*node
, int index
);
115 void __iomem
*of_io_request_and_map(struct device_node
*device
,
116 int index
, const char *name
);
119 #include <linux/io.h>
121 static inline int of_address_to_resource(struct device_node
*dev
, int index
,
127 static inline void __iomem
*of_iomap(struct device_node
*device
, int index
)
132 static inline void __iomem
*of_io_request_and_map(struct device_node
*device
,
133 int index
, const char *name
)
135 return IOMEM_ERR_PTR(-EINVAL
);
139 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
140 extern const __be32
*of_get_pci_address(struct device_node
*dev
, int bar_no
,
141 u64
*size
, unsigned int *flags
);
142 extern int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
144 extern int of_pci_range_to_resource(struct of_pci_range
*range
,
145 struct device_node
*np
,
146 struct resource
*res
);
147 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
148 static inline int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
154 static inline const __be32
*of_get_pci_address(struct device_node
*dev
,
155 int bar_no
, u64
*size
, unsigned int *flags
)
159 static inline int of_pci_range_to_resource(struct of_pci_range
*range
,
160 struct device_node
*np
,
161 struct resource
*res
)
165 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
167 #endif /* __OF_ADDRESS_H */
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