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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.
*
*/
#ifdef CONFIG_OF_DEVICE
#include <linux/module.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/pm.h>
#include <linux/of_device.h>
/*
* The of_platform_bus_type is a bus type used by drivers that do not
* attach to a macio or similar bus but still use OF probing
* mechanism
*/
extern struct bus_type of_platform_bus_type;
extern const struct of_device_id of_default_bus_ids[];
/*
* An of_platform_driver driver is attached to a basic of_device on
* the "platform bus" (of_platform_bus_type).
*/
struct of_platform_driver
{
int (*probe)(struct of_device* dev,
const struct of_device_id *match);
int (*remove)(struct of_device* dev);
int (*suspend)(struct of_device* dev, pm_message_t state);
int (*resume)(struct of_device* dev);
int (*shutdown)(struct of_device* dev);
struct device_driver driver;
};
#define to_of_platform_driver(drv) \
container_of(drv,struct of_platform_driver, driver)
extern int of_register_driver(struct of_platform_driver *drv,
struct bus_type *bus);
extern void of_unregister_driver(struct of_platform_driver *drv);
/* Platform drivers register/unregister */
static inline int of_register_platform_driver(struct of_platform_driver *drv)
{
return of_register_driver(drv, &of_platform_bus_type);
}
static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
{
of_unregister_driver(drv);
}
#include <asm/of_platform.h>
extern struct of_device *of_find_device_by_node(struct device_node *np);
extern int of_bus_type_init(struct bus_type *bus, const char *name);
#if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
/* Platform devices and busses creation */
extern struct of_device *of_platform_device_create(struct device_node *np,
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 */
#endif /* CONFIG_OF_DEVICE */
#endif /* _LINUX_OF_PLATFORM_H */
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