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 | 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 | ||
29b635c0 AM |
50 | extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, |
51 | struct device_node *node); | |
52 | extern struct of_pci_range *of_pci_range_parser_one( | |
53 | struct of_pci_range_parser *parser, | |
54 | struct of_pci_range *range); | |
18308c94 GS |
55 | extern int of_dma_get_range(struct device_node *np, u64 *dma_addr, |
56 | u64 *paddr, u64 *size); | |
92ea637e | 57 | extern bool of_dma_is_coherent(struct device_node *np); |
a850a755 | 58 | #else /* CONFIG_OF_ADDRESS */ |
fcd71d9c SM |
59 | static inline void __iomem *of_io_request_and_map(struct device_node *device, |
60 | int index, const char *name) | |
61 | { | |
62 | return IOMEM_ERR_PTR(-EINVAL); | |
63 | } | |
b1d06b60 GR |
64 | |
65 | static inline u64 of_translate_address(struct device_node *np, | |
66 | const __be32 *addr) | |
67 | { | |
68 | return OF_BAD_ADDR; | |
69 | } | |
70 | ||
a850a755 GL |
71 | static inline struct device_node *of_find_matching_node_by_address( |
72 | struct device_node *from, | |
73 | const struct of_device_id *matches, | |
74 | u64 base_address) | |
75 | { | |
76 | return NULL; | |
77 | } | |
4acf4b9c | 78 | |
47b1e689 | 79 | static inline const __be32 *of_get_address(struct device_node *dev, int index, |
a850a755 GL |
80 | u64 *size, unsigned int *flags) |
81 | { | |
82 | return NULL; | |
83 | } | |
29b635c0 AM |
84 | |
85 | static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser, | |
86 | struct device_node *node) | |
87 | { | |
88 | return -1; | |
89 | } | |
90 | ||
91 | static inline struct of_pci_range *of_pci_range_parser_one( | |
92 | struct of_pci_range_parser *parser, | |
93 | struct of_pci_range *range) | |
94 | { | |
95 | return NULL; | |
96 | } | |
18308c94 GS |
97 | |
98 | static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr, | |
99 | u64 *paddr, u64 *size) | |
100 | { | |
101 | return -ENODEV; | |
102 | } | |
92ea637e SS |
103 | |
104 | static inline bool of_dma_is_coherent(struct device_node *np) | |
105 | { | |
106 | return false; | |
107 | } | |
a850a755 GL |
108 | #endif /* CONFIG_OF_ADDRESS */ |
109 | ||
4acf4b9c RH |
110 | #ifdef CONFIG_OF |
111 | extern int of_address_to_resource(struct device_node *dev, int index, | |
112 | struct resource *r); | |
113 | void __iomem *of_iomap(struct device_node *node, int index); | |
114 | #else | |
115 | static inline int of_address_to_resource(struct device_node *dev, int index, | |
116 | struct resource *r) | |
117 | { | |
118 | return -EINVAL; | |
119 | } | |
120 | ||
121 | static inline void __iomem *of_iomap(struct device_node *device, int index) | |
122 | { | |
123 | return NULL; | |
124 | } | |
125 | #endif | |
a850a755 GL |
126 | |
127 | #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) | |
0131d897 | 128 | extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, |
22ae782f GL |
129 | u64 *size, unsigned int *flags); |
130 | extern int of_pci_address_to_resource(struct device_node *dev, int bar, | |
131 | struct resource *r); | |
0b0b0893 LD |
132 | extern int of_pci_range_to_resource(struct of_pci_range *range, |
133 | struct device_node *np, | |
134 | struct resource *res); | |
a850a755 | 135 | #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f GL |
136 | static inline int of_pci_address_to_resource(struct device_node *dev, int bar, |
137 | struct resource *r) | |
138 | { | |
139 | return -ENOSYS; | |
140 | } | |
141 | ||
0131d897 | 142 | static inline const __be32 *of_get_pci_address(struct device_node *dev, |
22ae782f GL |
143 | int bar_no, u64 *size, unsigned int *flags) |
144 | { | |
145 | return NULL; | |
146 | } | |
0b0b0893 LD |
147 | static inline int of_pci_range_to_resource(struct of_pci_range *range, |
148 | struct device_node *np, | |
149 | struct resource *res) | |
83bbde1c LD |
150 | { |
151 | return -ENOSYS; | |
152 | } | |
a850a755 | 153 | #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ |
22ae782f | 154 | |
6b884a8d GL |
155 | #endif /* __OF_ADDRESS_H */ |
156 |