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1da177e4 LT |
1 | #ifndef __OF_DEVICE_H__ |
2 | #define __OF_DEVICE_H__ | |
3 | ||
4 | #include <linux/device.h> | |
5 | #include <asm/prom.h> | |
6 | ||
7 | /* | |
8 | * The of_platform_bus_type is a bus type used by drivers that do not | |
9 | * attach to a macio or similar bus but still use OF probing | |
10 | * mecanism | |
11 | */ | |
12 | extern struct bus_type of_platform_bus_type; | |
13 | ||
14 | /* | |
15 | * The of_device is a kind of "base class" that is a superset of | |
16 | * struct device for use by devices attached to an OF node and | |
17 | * probed using OF properties | |
18 | */ | |
19 | struct of_device | |
20 | { | |
21 | struct device_node *node; /* OF device node */ | |
22 | u64 dma_mask; /* DMA mask */ | |
23 | struct device dev; /* Generic device interface */ | |
24 | }; | |
25 | #define to_of_device(d) container_of(d, struct of_device, dev) | |
26 | ||
27 | /* | |
28 | * Struct used for matching a device | |
29 | */ | |
30 | struct of_match | |
31 | { | |
32 | char *name; | |
33 | char *type; | |
34 | char *compatible; | |
35 | void *data; | |
36 | }; | |
37 | #define OF_ANY_MATCH ((char *)-1L) | |
38 | ||
39 | extern const struct of_match *of_match_device( | |
40 | const struct of_match *matches, const struct of_device *dev); | |
41 | ||
42 | extern struct of_device *of_dev_get(struct of_device *dev); | |
43 | extern void of_dev_put(struct of_device *dev); | |
44 | ||
45 | /* | |
46 | * An of_platform_driver driver is attached to a basic of_device on | |
47 | * the "platform bus" (of_platform_bus_type) | |
48 | */ | |
49 | struct of_platform_driver | |
50 | { | |
51 | char *name; | |
52 | struct of_match *match_table; | |
53 | struct module *owner; | |
54 | ||
55 | int (*probe)(struct of_device* dev, const struct of_match *match); | |
56 | int (*remove)(struct of_device* dev); | |
57 | ||
b1c42851 | 58 | int (*suspend)(struct of_device* dev, pm_message_t state); |
1da177e4 LT |
59 | int (*resume)(struct of_device* dev); |
60 | int (*shutdown)(struct of_device* dev); | |
61 | ||
62 | struct device_driver driver; | |
63 | }; | |
64 | #define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver) | |
65 | ||
66 | extern int of_register_driver(struct of_platform_driver *drv); | |
67 | extern void of_unregister_driver(struct of_platform_driver *drv); | |
68 | extern int of_device_register(struct of_device *ofdev); | |
69 | extern void of_device_unregister(struct of_device *ofdev); | |
70 | extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id); | |
71 | extern void of_release_dev(struct device *dev); | |
72 | ||
73 | #endif /* __OF_DEVICE_H__ */ | |
74 |