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1 /* SPDX-License-Identifier: GPL-2.0 */
4 #include <linux/ioport.h>
5 #include <linux/errno.h>
11 struct of_pci_range_parser
{
12 struct device_node
*node
;
21 #define of_range_parser of_pci_range_parser
32 #define of_range of_pci_range
34 #define for_each_of_pci_range(parser, range) \
35 for (; of_pci_range_parser_one(parser, range);)
36 #define for_each_of_range for_each_of_pci_range
38 /* Translate a DMA address from device space to CPU space */
39 extern u64
of_translate_dma_address(struct device_node
*dev
,
40 const __be32
*in_addr
);
42 #ifdef CONFIG_OF_ADDRESS
43 extern u64
of_translate_address(struct device_node
*np
, const __be32
*addr
);
44 extern int of_address_to_resource(struct device_node
*dev
, int index
,
46 extern void __iomem
*of_iomap(struct device_node
*device
, int index
);
47 void __iomem
*of_io_request_and_map(struct device_node
*device
,
48 int index
, const char *name
);
50 /* Extract an address from a device, returns the region size and
51 * the address space flags too. The PCI version uses a BAR number
52 * instead of an absolute index
54 extern const __be32
*of_get_address(struct device_node
*dev
, int index
,
55 u64
*size
, unsigned int *flags
);
57 extern int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
58 struct device_node
*node
);
59 extern int of_pci_dma_range_parser_init(struct of_pci_range_parser
*parser
,
60 struct device_node
*node
);
61 extern struct of_pci_range
*of_pci_range_parser_one(
62 struct of_pci_range_parser
*parser
,
63 struct of_pci_range
*range
);
64 extern bool of_dma_is_coherent(struct device_node
*np
);
65 #else /* CONFIG_OF_ADDRESS */
66 static inline void __iomem
*of_io_request_and_map(struct device_node
*device
,
67 int index
, const char *name
)
69 return IOMEM_ERR_PTR(-EINVAL
);
72 static inline u64
of_translate_address(struct device_node
*np
,
78 static inline const __be32
*of_get_address(struct device_node
*dev
, int index
,
79 u64
*size
, unsigned int *flags
)
84 static inline int of_pci_range_parser_init(struct of_pci_range_parser
*parser
,
85 struct device_node
*node
)
90 static inline int of_pci_dma_range_parser_init(struct of_pci_range_parser
*parser
,
91 struct device_node
*node
)
96 static inline struct of_pci_range
*of_pci_range_parser_one(
97 struct of_pci_range_parser
*parser
,
98 struct of_pci_range
*range
)
103 static inline bool of_dma_is_coherent(struct device_node
*np
)
107 #endif /* CONFIG_OF_ADDRESS */
110 extern int of_address_to_resource(struct device_node
*dev
, int index
,
112 void __iomem
*of_iomap(struct device_node
*node
, int index
);
114 static inline int of_address_to_resource(struct device_node
*dev
, int index
,
120 static inline void __iomem
*of_iomap(struct device_node
*device
, int index
)
125 #define of_range_parser_init of_pci_range_parser_init
127 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
128 extern const __be32
*of_get_pci_address(struct device_node
*dev
, int bar_no
,
129 u64
*size
, unsigned int *flags
);
130 extern int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
132 extern int of_pci_range_to_resource(struct of_pci_range
*range
,
133 struct device_node
*np
,
134 struct resource
*res
);
135 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
136 static inline int of_pci_address_to_resource(struct device_node
*dev
, int bar
,
142 static inline const __be32
*of_get_pci_address(struct device_node
*dev
,
143 int bar_no
, u64
*size
, unsigned int *flags
)
147 static inline int of_pci_range_to_resource(struct of_pci_range
*range
,
148 struct device_node
*np
,
149 struct resource
*res
)
153 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
155 #endif /* __OF_ADDRESS_H */