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33 | 33 | ||
34 | #define MAX_OFW_ARGS 10 |
34 | #define MAX_OFW_ARGS 10 |
35 | 35 | ||
36 | typedef __u32 ofw_arg_t; |
36 | typedef __u32 ofw_arg_t; |
37 | typedef __u32 ihandle; |
37 | typedef __u32 ihandle; |
- | 38 | typedef __u32 phandle; |
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38 | 39 | ||
- | 40 | /** OpenFirmware command structure |
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- | 41 | * |
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- | 42 | */ |
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- | 43 | typedef struct { |
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- | 44 | const char *service; /**< Command name */ |
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- | 45 | __u32 nargs; /**< Number of in arguments */ |
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- | 46 | __u32 nret; /**< Number of out arguments */ |
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- | 47 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
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39 | struct ofw_args_t { |
48 | } ofw_args_t; |
- | 49 | ||
- | 50 | /** OpenFirmware device address range structure |
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- | 51 | * |
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- | 52 | */ |
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- | 53 | typedef struct { |
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40 | const char *service; |
54 | __u32 space; |
41 | int nargs; |
55 | __u32 address; |
42 | int nret; |
56 | __u32 size; |
- | 57 | } address_range_t; |
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- | 58 | ||
- | 59 | /** OpenFirmware device interrupt structure |
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- | 60 | * |
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- | 61 | */ |
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- | 62 | typedef struct { |
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- | 63 | __u32 line; /**< Interrupt number */ |
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- | 64 | __u32 flags; /**< Interrupt flags/logic */ |
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- | 65 | } interrupt_info_t; |
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- | 66 | ||
- | 67 | /** OpenFirmware property structure |
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- | 68 | * |
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- | 69 | */ |
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43 | ofw_arg_t args[MAX_OFW_ARGS]; |
70 | typedef struct property_t { |
- | 71 | char *name; /**< Property name */ |
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- | 72 | __u32 length; /**< Value length */ |
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- | 73 | char *value; /**< Property value */ |
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- | 74 | struct property_t *next; /**< Next property in list */ |
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- | 75 | } property_t; |
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- | 76 | ||
- | 77 | /** OpenFirmware device descritor |
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44 | }; |
78 | * |
- | 79 | */ |
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- | 80 | typedef struct device_node_t { |
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- | 81 | char *name; /**< Device name */ |
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- | 82 | char *type; /**< Device type */ |
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- | 83 | phandle node; /**< Device handle */ |
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- | 84 | ||
- | 85 | __u32 n_addrs; /**< Number of address ranges */ |
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- | 86 | address_range_t *addrs; /**< Address ranges list */ |
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- | 87 | ||
- | 88 | __u32 n_intrs; /**< Number of interrupts */ |
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- | 89 | interrupt_info_t *intrs; /**< Interrupts list */ |
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- | 90 | ||
- | 91 | char *full_name; /**< Device full name */ |
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- | 92 | ||
- | 93 | property_t *properties; /**< Device properties */ |
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- | 94 | ||
- | 95 | struct device_node_t *parent; /**< Parent device */ |
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- | 96 | struct device_node_t *child; /**< First child in tree */ |
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- | 97 | struct device_node_t *sibling; /**< Next device on tree level */ |
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- | 98 | struct device_node_t *next; /**< Next device of the same type */ |
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- | 99 | struct device_node_t *next_all; /**< Next device in list of all nodes */ |
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- | 100 | } device_node_t; |
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45 | 101 | ||
46 | typedef void (*ofw_entry)(struct ofw_args_t *); |
102 | typedef void (*ofw_entry)(ofw_args_t *); |
47 | 103 | ||
48 | extern ofw_entry ofw; |
104 | extern ofw_entry ofw; |
49 | 105 | ||
50 | extern void ofw_init(void); |
106 | extern void ofw_init(void); |
51 | extern void ofw_done(void); |
107 | extern void ofw_done(void); |
52 | extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
108 | extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
53 | extern void ofw_putchar(const char ch); |
109 | extern void ofw_putchar(const char ch); |
- | 110 | extern phandle ofw_find_device(const char *name); |
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- | 111 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
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54 | extern void putchar(const char ch); |
112 | extern void putchar(const char ch); |
55 | 113 | ||
56 | #endif |
114 | #endif |