projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 6b884a8d GL |
1 | #ifndef __OF_ADDRESS_H |
| 2 | #define __OF_ADDRESS_H | |
| 3 | #include <linux/ioport.h> | |
| 99ce39e3 | 4 | #include <linux/errno.h> |
| 6b884a8d GL |
5 | #include <linux/of.h> |
| 6 | ||
| 29b635c0 AM |
7 | struct of_pci_range_parser { |
| 8 | struct device_node *node; | |
| 9 | const __be32 *range; | |
| 10 | const __be32 *end; | |
| 11 | int np; | |
| 12 | int pna; | |
| 13 | }; | |
| 14 | ||
| 15 | struct of_pci_range { | |
| 16 | u32 pci_space; | |
| 17 | u64 pci_addr; | |
| 18 | u64 cpu_addr; | |
| 19 | u64 size; | |
| 20 | u32 flags; | |
| 21 | }; | |
| 22 | ||
| 23 | #define for_each_of_pci_range(parser, range) \ | |
| 24 | for (; of_pci_range_parser_one(parser, range);) | |
| 25 | ||
| 26 | static inline void of_pci_range_to_resource(struct of_pci_range *range, | |
| 27 | struct device_node *np, | |
| 28 | struct resource *res) | |
| 29 | { | |
| 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; | |
| 35 | } | |
| 36 | ||
| d0dfa16a RH |
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); | |
| 40 | ||
| a850a755 | 41 | #ifdef CONFIG_OF_ADDRESS |
| 0131d897 | 42 | extern u64 of_translate_address(struct device_node *np, const __be32 *addr); |
| 5d61b165 | 43 | extern bool of_can_translate_address(struct device_node *dev); |
| 1f5bef30 GL |
44 | extern int of_address_to_resource(struct device_node *dev, int index, |
| 45 | struct resource *r); | |
| 90e33f62 GL |
46 | extern struct device_node *of_find_matching_node_by_address( |
| 47 | struct device_node *from, | |
| 48 | const struct of_device_id *matches, | |
| 49 | u64 base_address); | |
| 6b884a8d GL |
50 | extern void __iomem *of_iomap(struct device_node *device, int index); |
| 51 | ||
| 22ae782f GL |
52 | /* Extract an address from a device, returns the region size and |
| 53 | * the address space flags too. The PCI version uses a BAR number | |
| 54 | * instead of an absolute index | |
| 55 | */ | |
| 47b1e689 | 56 | extern const __be32 *of_get_address(struct device_node *dev, int index, |
| 22ae782f GL |
57 | u64 *size, unsigned int *flags); |
| 58 | ||
| 25ff7944 | 59 | extern unsigned long pci_address_to_pio(phys_addr_t addr); |
| 22ae782f | 60 | |
| 29b635c0 AM |
61 | extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, |
| 62 | struct device_node *node); | |
| 63 | extern struct of_pci_range *of_pci_range_parser_one( | |
| 64 | struct of_pci_range_parser *parser, | |
| 65 | struct of_pci_range *range); | |
| a850a755 | 66 | #else /* CONFIG_OF_ADDRESS */ |
| a850a755 GL |
67 | static inline struct device_node *of_find_matching_node_by_address( |
| 68 | struct device_node *from, | |
| 69 | const struct of_device_id *matches, | |
| 70 | u64 base_address) | |
| 71 | { | |
| 72 | return NULL; | |
| 73 | } | |
| 4acf4b9c | 74 | |
| 47b1e689 | 75 | static inline const __be32 *of_get_address(struct device_node *dev, int index, |
| a850a755 GL |
76 | u64 *size, unsigned int *flags) |
| 77 | { | |
| 78 | return NULL; | |
| 79 | } | |
| 29b635c0 AM |
80 | |
| 81 | static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser, | |
| 82 | struct device_node *node) | |
| 83 | { | |
| 84 | return -1; | |
| 85 | } | |
| 86 | ||
| 87 | static inline struct of_pci_range *of_pci_range_parser_one( | |
| 88 | struct of_pci_range_parser *parser, | |
| 89 | struct of_pci_range *range) | |
| 90 | { | |
| 91 | return NULL; | |
| 92 | } | |
| a850a755 GL |
93 | #endif /* CONFIG_OF_ADDRESS */ |
| 94 | ||
| 4acf4b9c RH |
95 | #ifdef CONFIG_OF |
| 96 | extern int of_address_to_resource(struct device_node *dev, int index, | |
| 97 | struct resource *r); | |
| 98 | void __iomem *of_iomap(struct device_node *node, int index); | |
| 99 | #else | |
| 100 | static inline int of_address_to_resource(struct device_node *dev, int index, | |
| 101 | struct resource *r) | |
| 102 | { | |
| 103 | return -EINVAL; | |
| 104 | } | |
| 105 | ||
| 106 | static inline void __iomem *of_iomap(struct device_node *device, int index) | |
| 107 | { | |
| 108 | return NULL; | |
| 109 | } | |
| 110 | #endif | |
| a850a755 GL |
111 | |
| 112 | #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) | |
| 0131d897 | 113 | extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, |
| 22ae782f GL |
114 | u64 *size, unsigned int *flags); |
| 115 | extern int of_pci_address_to_resource(struct device_node *dev, int bar, | |
| 116 | struct resource *r); | |
| a850a755 | 117 | #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
| 22ae782f GL |
118 | static inline int of_pci_address_to_resource(struct device_node *dev, int bar, |
| 119 | struct resource *r) | |
| 120 | { | |
| 121 | return -ENOSYS; | |
| 122 | } | |
| 123 | ||
| 0131d897 | 124 | static inline const __be32 *of_get_pci_address(struct device_node *dev, |
| 22ae782f GL |
125 | int bar_no, u64 *size, unsigned int *flags) |
| 126 | { | |
| 127 | return NULL; | |
| 128 | } | |
| a850a755 | 129 | #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
| 22ae782f | 130 | |
| 6b884a8d GL |
131 | #endif /* __OF_ADDRESS_H */ |
| 132 |