LXR linux/include/linux/platform

   1/*
   2 * platform_device.h - generic, centralized driver model
   3 *
   4 * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
   5 *
   6 * This file is released under the GPLv2
   7 *
   8 * See Documentation/driver-model/ for more information.
   9 */
  10
  11#ifndef _PLATFORM_DEVICE_H_
  12#define _PLATFORM_DEVICE_H_
  13
  14#include <linux/device.h>
  15
  16struct platform_device {
  17        const char      * name;
  18        int             id;
  19        struct device   dev;
  20        u32             num_resources;
  21        struct resource * resource;
  22};
  23
  24#define to_platform_device(x) container_of((x), struct platform_device, dev)
  25
  26extern int platform_device_register(struct platform_device *);
  27extern void platform_device_unregister(struct platform_device *);
  28
  29extern struct bus_type platform_bus_type;
  30extern struct device platform_bus;
  31
  32extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
  33extern int platform_get_irq(struct platform_device *, unsigned int);
  34extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
  35extern int platform_get_irq_byname(struct platform_device *, char *);
  36extern int platform_add_devices(struct platform_device **, int);
  37
  38extern struct platform_device *platform_device_register_simple(const char *, int id,
  39                                        struct resource *, unsigned int);
  40
  41extern struct platform_device *platform_device_alloc(const char *name, int id);
  42extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
  43extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
  44extern int platform_device_add(struct platform_device *pdev);
  45extern void platform_device_del(struct platform_device *pdev);
  46extern void platform_device_put(struct platform_device *pdev);
  47
  48struct platform_driver {
  49        int (*probe)(struct platform_device *);
  50        int (*remove)(struct platform_device *);
  51        void (*shutdown)(struct platform_device *);
  52        int (*suspend)(struct platform_device *, pm_message_t state);
  53        int (*suspend_late)(struct platform_device *, pm_message_t state);
  54        int (*resume_early)(struct platform_device *);
  55        int (*resume)(struct platform_device *);
  56        struct device_driver driver;
  57};
  58
  59extern int platform_driver_register(struct platform_driver *);
  60extern void platform_driver_unregister(struct platform_driver *);
  61
  62/* non-hotpluggable platform devices may use this so that probe() and
  63 * its support may live in __init sections, conserving runtime memory.
  64 */
  65extern int platform_driver_probe(struct platform_driver *driver,
  66                int (*probe)(struct platform_device *));
  67
  68#define platform_get_drvdata(_dev)      dev_get_drvdata(&(_dev)->dev)
  69#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
  70
  71#endif /* _PLATFORM_DEVICE_H_ */
  72