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#ifndef __OF_DEVICE_H__
#define __OF_DEVICE_H__
#include <linux/device.h>
#include <asm/prom.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
* mecanism
*/
extern struct bus_type of_platform_bus_type;
/*
* The of_device is a kind of "base class" that is a superset of
* struct device for use by devices attached to an OF node and
* probed using OF properties
*/
struct of_device
{
struct device_node *node; /* OF device node */
u64 dma_mask; /* DMA mask */
struct device dev; /* Generic device interface */
};
#define to_of_device(d) container_of(d, struct of_device, dev)
/*
* Struct used for matching a device
*/
struct of_match
{
char *name;
char *type;
char *compatible;
void *data;
};
#define OF_ANY_MATCH ((char *)-1L)
extern const struct of_match *of_match_device(
const struct of_match *matches, const struct of_device *dev);
extern struct of_device *of_dev_get(struct of_device *dev);
extern void of_dev_put(struct of_device *dev);
/*
* An of_platform_driver driver is attached to a basic of_device on
* the "platform bus" (of_platform_bus_type)
*/
struct of_platform_driver
{
char *name;
struct of_match *match_table;
struct module *owner;
int (*probe)(struct of_device* dev, const struct of_match *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);
extern void of_unregister_driver(struct of_platform_driver *drv);
extern int of_device_register(struct of_device *ofdev);
extern void of_device_unregister(struct of_device *ofdev);
extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id);
extern void of_release_dev(struct device *dev);
#endif /* __OF_DEVICE_H__ */
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