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b41912ca SR |
1 | #ifndef _LINUX_OF_PLATFORM_H |
2 | #define _LINUX_OF_PLATFORM_H | |
3 | /* | |
4 | * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. | |
5 | * <benh@kernel.crashing.org> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the License, or (at your option) any later version. | |
11 | * | |
12 | */ | |
13 | ||
efb2e014 | 14 | #ifdef CONFIG_OF_DEVICE |
b41912ca SR |
15 | #include <linux/module.h> |
16 | #include <linux/device.h> | |
17 | #include <linux/mod_devicetable.h> | |
18 | #include <linux/pm.h> | |
19 | #include <linux/of_device.h> | |
20 | ||
21 | /* | |
22 | * The of_platform_bus_type is a bus type used by drivers that do not | |
23 | * attach to a macio or similar bus but still use OF probing | |
24 | * mechanism | |
25 | */ | |
26 | extern struct bus_type of_platform_bus_type; | |
27 | ||
5fd200f3 GL |
28 | extern const struct of_device_id of_default_bus_ids[]; |
29 | ||
b41912ca SR |
30 | /* |
31 | * An of_platform_driver driver is attached to a basic of_device on | |
c9bb6003 | 32 | * the "platform bus" (of_platform_bus_type). |
b41912ca SR |
33 | */ |
34 | struct of_platform_driver | |
35 | { | |
b41912ca SR |
36 | int (*probe)(struct of_device* dev, |
37 | const struct of_device_id *match); | |
38 | int (*remove)(struct of_device* dev); | |
39 | ||
40 | int (*suspend)(struct of_device* dev, pm_message_t state); | |
41 | int (*resume)(struct of_device* dev); | |
42 | int (*shutdown)(struct of_device* dev); | |
43 | ||
44 | struct device_driver driver; | |
45 | }; | |
46 | #define to_of_platform_driver(drv) \ | |
47 | container_of(drv,struct of_platform_driver, driver) | |
48 | ||
5c457083 SR |
49 | extern int of_register_driver(struct of_platform_driver *drv, |
50 | struct bus_type *bus); | |
51 | extern void of_unregister_driver(struct of_platform_driver *drv); | |
52 | ||
0763ed23 GL |
53 | /* Platform drivers register/unregister */ |
54 | static inline int of_register_platform_driver(struct of_platform_driver *drv) | |
55 | { | |
56 | return of_register_driver(drv, &of_platform_bus_type); | |
57 | } | |
58 | static inline void of_unregister_platform_driver(struct of_platform_driver *drv) | |
59 | { | |
60 | of_unregister_driver(drv); | |
61 | } | |
62 | ||
94c09319 GL |
63 | extern struct of_device *of_device_alloc(struct device_node *np, |
64 | const char *bus_id, | |
65 | struct device *parent); | |
b41912ca SR |
66 | #include <asm/of_platform.h> |
67 | ||
68 | extern struct of_device *of_find_device_by_node(struct device_node *np); | |
69 | ||
3f23de10 | 70 | extern int of_bus_type_init(struct bus_type *bus, const char *name); |
5fd200f3 GL |
71 | |
72 | #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */ | |
73 | /* Platform devices and busses creation */ | |
74 | extern struct of_device *of_platform_device_create(struct device_node *np, | |
75 | const char *bus_id, | |
76 | struct device *parent); | |
77 | ||
78 | /* pseudo "matches" value to not do deep probe */ | |
79 | #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) | |
80 | ||
81 | extern int of_platform_bus_probe(struct device_node *root, | |
82 | const struct of_device_id *matches, | |
83 | struct device *parent); | |
84 | #endif /* !CONFIG_SPARC */ | |
85 | ||
efb2e014 | 86 | #endif /* CONFIG_OF_DEVICE */ |
3f23de10 | 87 | |
b41912ca | 88 | #endif /* _LINUX_OF_PLATFORM_H */ |