of_platform.h 2.4 KB
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#ifndef _LINUX_OF_PLATFORM_H
#define _LINUX_OF_PLATFORM_H
/*
 *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
 *			 <benh@kernel.crashing.org>
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 *
 */

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#ifdef CONFIG_OF_DEVICE
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#include <linux/module.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/pm.h>
#include <linux/of_device.h>
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#include <linux/platform_device.h>
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/*
 * An of_platform_driver driver is attached to a basic of_device on
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 * the "platform bus" (platform_bus_type).
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 */
struct of_platform_driver
{
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	int	(*probe)(struct platform_device* dev,
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			 const struct of_device_id *match);
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	int	(*remove)(struct platform_device* dev);
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	int	(*suspend)(struct platform_device* dev, pm_message_t state);
	int	(*resume)(struct platform_device* dev);
	int	(*shutdown)(struct platform_device* dev);
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	struct device_driver	driver;
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	struct platform_driver	platform_driver;
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};
#define	to_of_platform_driver(drv) \
	container_of(drv,struct of_platform_driver, driver)

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extern int of_register_driver(struct of_platform_driver *drv,
			      struct bus_type *bus);
extern void of_unregister_driver(struct of_platform_driver *drv);

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/* Platform drivers register/unregister */
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extern int of_register_platform_driver(struct of_platform_driver *drv);
extern void of_unregister_platform_driver(struct of_platform_driver *drv);
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extern struct platform_device *of_device_alloc(struct device_node *np,
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					 const char *bus_id,
					 struct device *parent);
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extern struct platform_device *of_find_device_by_node(struct device_node *np);
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extern int of_bus_type_init(struct bus_type *bus, const char *name);
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#if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
/* Platform devices and busses creation */
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extern struct platform_device *of_platform_device_create(struct device_node *np,
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						   const char *bus_id,
						   struct device *parent);

/* pseudo "matches" value to not do deep probe */
#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)

extern int of_platform_bus_probe(struct device_node *root,
				 const struct of_device_id *matches,
				 struct device *parent);
#endif /* !CONFIG_SPARC */

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#endif /* CONFIG_OF_DEVICE */
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#endif	/* _LINUX_OF_PLATFORM_H */