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 | 5 | #include <linux/of.h> |
fcd71d9c | 6 | #include <linux/io.h> |
6b884a8d | 7 | |
29b635c0 AM |
8 | struct of_pci_range_parser { |
9 | struct device_node *node; | |
10 | const __be32 *range; | |
11 | const __be32 *end; | |
12 | int np; | |
13 | int pna; | |
14 | }; | |
15 | ||
16 | struct of_pci_range { | |
17 | u32 pci_space; | |
18 | u64 pci_addr; | |
19 | u64 cpu_addr; | |
20 | u64 size; | |
21 | u32 flags; | |
22 | }; | |
23 | ||
24 | #define for_each_of_pci_range(parser, range) \ | |
25 | for (; of_pci_range_parser_one(parser, range);) | |
26 | ||
d0dfa16a RH |
27 | /* Translate a DMA address from device space to CPU space */ |
28 | extern u64 of_translate_dma_address(struct device_node *dev, | |
29 | const __be32 *in_addr); | |
30 | ||
a850a755 | 31 | #ifdef CONFIG_OF_ADDRESS |
0131d897 | 32 | extern u64 of_translate_address(struct device_node *np, const __be32 *addr); |
1f5bef30 GL |
33 | extern int of_address_to_resource(struct device_node *dev, int index, |
34 | struct resource *r); | |
90e33f62 GL |
35 | extern struct device_node *of_find_matching_node_by_address( |
36 | struct device_node *from, | |
37 | const struct of_device_id *matches, | |
38 | u64 base_address); | |
6b884a8d | 39 | extern void __iomem *of_iomap(struct device_node *device, int index); |
fcd71d9c SM |
40 | void __iomem *of_io_request_and_map(struct device_node *device, |
41 | int index, const char *name); | |
6b884a8d | 42 | |
22ae782f GL |
43 | /* Extract an address from a device, returns the region size and |
44 | * the address space flags too. The PCI version uses a BAR number | |
45 | * instead of an absolute index | |
46 | */ | |
47b1e689 | 47 | extern const __be32 *of_get_address(struct device_node *dev, int index, |
22ae782f GL |
48 | u64 *size, unsigned int *flags); |
49 | ||
41f8bba7 | 50 | extern int pci_register_io_range(phys_addr_t addr, resource_size_t size); |
25ff7944 | 51 | extern unsigned long pci_address_to_pio(phys_addr_t addr); |
41f8bba7 | 52 | extern phys_addr_t pci_pio_to_address(unsigned long pio); |
22ae782f | 53 | |
29b635c0 AM |
54 | extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, |
55 | struct device_node *node); | |
56 | extern struct of_pci_range *of_pci_range_parser_one( | |
57 | struct of_pci_range_parser *parser, | |
58 | struct of_pci_range *range); | |
18308c94 GS |
59 | extern int of_dma_get_range(struct device_node *np, u64 *dma_addr, |
60 | u64 *paddr, u64 *size); | |
92ea637e | 61 | extern bool of_dma_is_coherent(struct device_node *np); |
a850a755 | 62 | #else /* CONFIG_OF_ADDRESS */ |
fcd71d9c SM |
63 | static inline void __iomem *of_io_request_and_map(struct device_node *device, |
64 | int index, const char *name) | |
65 | { | |
66 | return IOMEM_ERR_PTR(-EINVAL); | |
67 | } | |
b1d06b60 GR |
68 | |
69 | static inline u64 of_translate_address(struct device_node *np, | |
70 | const __be32 *addr) | |
71 | { | |
72 | return OF_BAD_ADDR; | |
73 | } | |
74 | ||
a850a755 GL |
75 | static inline struct device_node *of_find_matching_node_by_address( |
76 | struct device_node *from, | |
77 | const struct of_device_id *matches, | |
78 | u64 base_address) | |
79 | { | |
80 | return NULL; | |
81 | } | |
4acf4b9c | 82 | |
47b1e689 | 83 | static inline const __be32 *of_get_address(struct device_node *dev, int index, |
a850a755 GL |
84 | u64 *size, unsigned int *flags) |
85 | { | |
86 | return NULL; | |
87 | } | |
29b635c0 | 88 | |
41f8bba7 LD |
89 | static inline phys_addr_t pci_pio_to_address(unsigned long pio) |
90 | { | |
91 | return 0; | |
92 | } | |
93 | ||
29b635c0 AM |
94 | static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser, |
95 | struct device_node *node) | |
96 | { | |
97 | return -1; | |
98 | } | |
99 | ||
100 | static inline struct of_pci_range *of_pci_range_parser_one( | |
101 | struct of_pci_range_parser *parser, | |
102 | struct of_pci_range *range) | |
103 | { | |
104 | return NULL; | |
105 | } | |
18308c94 GS |
106 | |
107 | static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr, | |
108 | u64 *paddr, u64 *size) | |
109 | { | |
110 | return -ENODEV; | |
111 | } | |
92ea637e SS |
112 | |
113 | static inline bool of_dma_is_coherent(struct device_node *np) | |
114 | { | |
115 | return false; | |
116 | } | |
a850a755 GL |
117 | #endif /* CONFIG_OF_ADDRESS */ |
118 | ||
4acf4b9c RH |
119 | #ifdef CONFIG_OF |
120 | extern int of_address_to_resource(struct device_node *dev, int index, | |
121 | struct resource *r); | |
122 | void __iomem *of_iomap(struct device_node *node, int index); | |
123 | #else | |
124 | static inline int of_address_to_resource(struct device_node *dev, int index, | |
125 | struct resource *r) | |
126 | { | |
127 | return -EINVAL; | |
128 | } | |
129 | ||
130 | static inline void __iomem *of_iomap(struct device_node *device, int index) | |
131 | { | |
132 | return NULL; | |
133 | } | |
134 | #endif | |
a850a755 GL |
135 | |
136 | #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) | |
0131d897 | 137 | extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, |
22ae782f GL |
138 | u64 *size, unsigned int *flags); |
139 | extern int of_pci_address_to_resource(struct device_node *dev, int bar, | |
140 | struct resource *r); | |
0b0b0893 LD |
141 | extern int of_pci_range_to_resource(struct of_pci_range *range, |
142 | struct device_node *np, | |
143 | struct resource *res); | |
a850a755 | 144 | #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f GL |
145 | static inline int of_pci_address_to_resource(struct device_node *dev, int bar, |
146 | struct resource *r) | |
147 | { | |
148 | return -ENOSYS; | |
149 | } | |
150 | ||
0131d897 | 151 | static inline const __be32 *of_get_pci_address(struct device_node *dev, |
22ae782f GL |
152 | int bar_no, u64 *size, unsigned int *flags) |
153 | { | |
154 | return NULL; | |
155 | } | |
0b0b0893 LD |
156 | static inline int of_pci_range_to_resource(struct of_pci_range *range, |
157 | struct device_node *np, | |
158 | struct resource *res) | |
83bbde1c LD |
159 | { |
160 | return -ENOSYS; | |
161 | } | |
a850a755 | 162 | #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f | 163 | |
6b884a8d GL |
164 | #endif /* __OF_ADDRESS_H */ |
165 |