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 static inline void of_pci_range_to_resource(struct of_pci_range *range,
27 struct device_node *np,
30 res->flags = range->flags;
31 res->start = range->cpu_addr;
32 res->end = range->cpu_addr + range->size - 1;
33 res->parent = res->child = res->sibling = NULL;
34 res->name = np->full_name;
37 /* Translate a DMA address from device space to CPU space */
38 extern u64 of_translate_dma_address(struct device_node *dev,
39 const __be32 *in_addr);
41 #ifdef CONFIG_OF_ADDRESS
42 extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
43 extern int of_address_to_resource(struct device_node *dev, int index,
45 extern struct device_node *of_find_matching_node_by_address(
46 struct device_node *from,
47 const struct of_device_id *matches,
49 extern void __iomem *of_iomap(struct device_node *device, int index);
51 /* Extract an address from a device, returns the region size and
52 * the address space flags too. The PCI version uses a BAR number
53 * instead of an absolute index
55 extern const __be32 *of_get_address(struct device_node *dev, int index,
56 u64 *size, unsigned int *flags);
58 extern unsigned long pci_address_to_pio(phys_addr_t addr);
60 extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
61 struct device_node *node);
62 extern struct of_pci_range *of_pci_range_parser_one(
63 struct of_pci_range_parser *parser,
64 struct of_pci_range *range);
65 extern int of_dma_get_range(struct device_node *np, u64 *dma_addr,
66 u64 *paddr, u64 *size);
67 extern bool of_dma_is_coherent(struct device_node *np);
68 #else /* CONFIG_OF_ADDRESS */
69 static inline struct device_node *of_find_matching_node_by_address(
70 struct device_node *from,
71 const struct of_device_id *matches,
77 static inline const __be32 *of_get_address(struct device_node *dev, int index,
78 u64 *size, unsigned int *flags)
83 static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser,
84 struct device_node *node)
89 static inline struct of_pci_range *of_pci_range_parser_one(
90 struct of_pci_range_parser *parser,
91 struct of_pci_range *range)
96 static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr,
97 u64 *paddr, u64 *size)
102 static inline bool of_dma_is_coherent(struct device_node *np)
106 #endif /* CONFIG_OF_ADDRESS */
109 extern int of_address_to_resource(struct device_node *dev, int index,
111 void __iomem *of_iomap(struct device_node *node, int index);
113 static inline int of_address_to_resource(struct device_node *dev, int index,
119 static inline void __iomem *of_iomap(struct device_node *device, int index)
125 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
126 extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
127 u64 *size, unsigned int *flags);
128 extern int of_pci_address_to_resource(struct device_node *dev, int bar,
130 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
131 static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
137 static inline const __be32 *of_get_pci_address(struct device_node *dev,
138 int bar_no, u64 *size, unsigned int *flags)
142 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
144 #endif /* __OF_ADDRESS_H */