75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
#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__ */
|
|
|