Commit | Line | Data |
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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 | ||
d0dfa16a RH |
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); | |
29 | ||
a850a755 | 30 | #ifdef CONFIG_OF_ADDRESS |
0131d897 | 31 | extern u64 of_translate_address(struct device_node *np, const __be32 *addr); |
1f5bef30 GL |
32 | extern int of_address_to_resource(struct device_node *dev, int index, |
33 | struct resource *r); | |
90e33f62 GL |
34 | extern struct device_node *of_find_matching_node_by_address( |
35 | struct device_node *from, | |
36 | const struct of_device_id *matches, | |
37 | u64 base_address); | |
6b884a8d GL |
38 | extern void __iomem *of_iomap(struct device_node *device, int index); |
39 | ||
22ae782f GL |
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 | |
43 | */ | |
47b1e689 | 44 | extern const __be32 *of_get_address(struct device_node *dev, int index, |
22ae782f GL |
45 | u64 *size, unsigned int *flags); |
46 | ||
41f8bba7 | 47 | extern int pci_register_io_range(phys_addr_t addr, resource_size_t size); |
25ff7944 | 48 | extern unsigned long pci_address_to_pio(phys_addr_t addr); |
41f8bba7 | 49 | extern phys_addr_t pci_pio_to_address(unsigned long pio); |
22ae782f | 50 | |
29b635c0 AM |
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); | |
18308c94 GS |
56 | extern int of_dma_get_range(struct device_node *np, u64 *dma_addr, |
57 | u64 *paddr, u64 *size); | |
92ea637e | 58 | extern bool of_dma_is_coherent(struct device_node *np); |
a850a755 | 59 | #else /* CONFIG_OF_ADDRESS */ |
a850a755 GL |
60 | static inline struct device_node *of_find_matching_node_by_address( |
61 | struct device_node *from, | |
62 | const struct of_device_id *matches, | |
63 | u64 base_address) | |
64 | { | |
65 | return NULL; | |
66 | } | |
4acf4b9c | 67 | |
47b1e689 | 68 | static inline const __be32 *of_get_address(struct device_node *dev, int index, |
a850a755 GL |
69 | u64 *size, unsigned int *flags) |
70 | { | |
71 | return NULL; | |
72 | } | |
29b635c0 | 73 | |
41f8bba7 LD |
74 | static inline phys_addr_t pci_pio_to_address(unsigned long pio) |
75 | { | |
76 | return 0; | |
77 | } | |
78 | ||
29b635c0 AM |
79 | static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser, |
80 | struct device_node *node) | |
81 | { | |
82 | return -1; | |
83 | } | |
84 | ||
85 | static inline struct of_pci_range *of_pci_range_parser_one( | |
86 | struct of_pci_range_parser *parser, | |
87 | struct of_pci_range *range) | |
88 | { | |
89 | return NULL; | |
90 | } | |
18308c94 GS |
91 | |
92 | static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr, | |
93 | u64 *paddr, u64 *size) | |
94 | { | |
95 | return -ENODEV; | |
96 | } | |
92ea637e SS |
97 | |
98 | static inline bool of_dma_is_coherent(struct device_node *np) | |
99 | { | |
100 | return false; | |
101 | } | |
a850a755 GL |
102 | #endif /* CONFIG_OF_ADDRESS */ |
103 | ||
4acf4b9c RH |
104 | #ifdef CONFIG_OF |
105 | extern int of_address_to_resource(struct device_node *dev, int index, | |
106 | struct resource *r); | |
107 | void __iomem *of_iomap(struct device_node *node, int index); | |
efd342fb | 108 | void __iomem *of_io_request_and_map(struct device_node *device, |
b75b276b | 109 | int index, const char *name); |
4acf4b9c | 110 | #else |
efd342fb MB |
111 | |
112 | #include <linux/io.h> | |
113 | ||
4acf4b9c RH |
114 | static inline int of_address_to_resource(struct device_node *dev, int index, |
115 | struct resource *r) | |
116 | { | |
117 | return -EINVAL; | |
118 | } | |
119 | ||
120 | static inline void __iomem *of_iomap(struct device_node *device, int index) | |
121 | { | |
122 | return NULL; | |
123 | } | |
efd342fb MB |
124 | |
125 | static inline void __iomem *of_io_request_and_map(struct device_node *device, | |
b75b276b | 126 | int index, const char *name) |
efd342fb MB |
127 | { |
128 | return IOMEM_ERR_PTR(-EINVAL); | |
129 | } | |
4acf4b9c | 130 | #endif |
a850a755 GL |
131 | |
132 | #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) | |
0131d897 | 133 | extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, |
22ae782f GL |
134 | u64 *size, unsigned int *flags); |
135 | extern int of_pci_address_to_resource(struct device_node *dev, int bar, | |
136 | struct resource *r); | |
0b0b0893 LD |
137 | extern int of_pci_range_to_resource(struct of_pci_range *range, |
138 | struct device_node *np, | |
139 | struct resource *res); | |
a850a755 | 140 | #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f GL |
141 | static inline int of_pci_address_to_resource(struct device_node *dev, int bar, |
142 | struct resource *r) | |
143 | { | |
144 | return -ENOSYS; | |
145 | } | |
146 | ||
0131d897 | 147 | static inline const __be32 *of_get_pci_address(struct device_node *dev, |
22ae782f GL |
148 | int bar_no, u64 *size, unsigned int *flags) |
149 | { | |
150 | return NULL; | |
151 | } | |
0b0b0893 LD |
152 | static inline int of_pci_range_to_resource(struct of_pci_range *range, |
153 | struct device_node *np, | |
154 | struct resource *res) | |
83bbde1c LD |
155 | { |
156 | return -ENOSYS; | |
157 | } | |
a850a755 | 158 | #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f | 159 | |
6b884a8d GL |
160 | #endif /* __OF_ADDRESS_H */ |
161 |