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 */