text: /*
   * platform_device.h - generic, centralized driver model
   *
   * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
   *
   * This file is released under the GPLv2
   *
   * See Documentation/driver-model/ for more information.
   */
  
  #ifndef _PLATFORM_DEVICE_H_
  #define _PLATFORM_DEVICE_H_
  
  #include <linux/device.h>
  
  struct platform_device {
  	const char	* name;
  	u32		id;
  	struct device	dev;
  	u32		num_resources;
  	struct resource	* resource;
  };
  
  #define to_platform_device(x) container_of((x), struct platform_device, dev)
  
  extern int platform_device_register(struct platform_device *);
  extern void platform_device_unregister(struct platform_device *);
  
  extern struct bus_type platform_bus_type;
  extern struct device platform_bus;
  
  extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
  extern int platform_get_irq(struct platform_device *, unsigned int);
  extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
  extern int platform_get_irq_byname(struct platform_device *, char *);
  extern int platform_add_devices(struct platform_device **, int);
  
  extern struct platform_device *platform_device_register_simple(char *, unsigned int, struct resource *, unsigned int);
  
  extern struct platform_device *platform_device_alloc(const char *name, unsigned int id);
  extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
  extern int platform_device_add_data(struct platform_device *pdev, void *data, size_t size);
  extern int platform_device_add(struct platform_device *pdev);
  extern void platform_device_del(struct platform_device *pdev);
  extern void platform_device_put(struct platform_device *pdev);
  
  struct platform_driver {
  	int (*probe)(struct platform_device *);
  	int (*remove)(struct platform_device *);
  	void (*shutdown)(struct platform_device *);
  	int (*suspend)(struct platform_device *, pm_message_t state);
  	int (*resume)(struct platform_device *);
  	struct device_driver driver;
  };
  
  extern int platform_driver_register(struct platform_driver *);
  extern void platform_driver_unregister(struct platform_driver *);
  
  #define platform_get_drvdata(_dev)	dev_get_drvdata(&(_dev)->dev)
  #define platform_set_drvdata(_dev,data)	dev_set_drvdata(&(_dev)->dev, (data))
  
  #endif /* _PLATFORM_DEVICE_H_ */
  