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 
14 #ifdef CONFIG_OF_DEVICE
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 #include <linux/platform_device.h>
21 
22 /**
23  * of_platform_driver - Legacy of-aware driver for platform devices.
24  *
25  * An of_platform_driver driver is attached to a basic platform_device on
26  * the ibm ebus (ibmebus_bus_type).
27  */
28 struct of_platform_driver
29 {
30 	int	(*probe)(struct platform_device* dev,
31 			 const struct of_device_id *match);
32 	int	(*remove)(struct platform_device* dev);
33 
34 	int	(*suspend)(struct platform_device* dev, pm_message_t state);
35 	int	(*resume)(struct platform_device* dev);
36 	int	(*shutdown)(struct platform_device* dev);
37 
38 	struct device_driver	driver;
39 };
40 #define	to_of_platform_driver(drv) \
41 	container_of(drv,struct of_platform_driver, driver)
42 
43 /* Platform drivers register/unregister */
44 extern struct platform_device *of_device_alloc(struct device_node *np,
45 					 const char *bus_id,
46 					 struct device *parent);
47 extern struct platform_device *of_find_device_by_node(struct device_node *np);
48 
49 #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
50 /* Platform devices and busses creation */
51 extern struct platform_device *of_platform_device_create(struct device_node *np,
52 						   const char *bus_id,
53 						   struct device *parent);
54 
55 extern int of_platform_bus_probe(struct device_node *root,
56 				 const struct of_device_id *matches,
57 				 struct device *parent);
58 #endif /* !CONFIG_SPARC */
59 
60 #endif /* CONFIG_OF_DEVICE */
61 
62 #endif	/* _LINUX_OF_PLATFORM_H */
63