platform_device.h 2.7 KB

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  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. #ifndef _PLATFORM_DEVICE_H_
  11. #define _PLATFORM_DEVICE_H_
  12. #include <linux/device.h>
  13. struct platform_device {
  14. const char * name;
  15. u32 id;
  16. struct device dev;
  17. u32 num_resources;
  18. struct resource * resource;
  19. };
  20. #define to_platform_device(x) container_of((x), struct platform_device, dev)
  21. extern int platform_device_register(struct platform_device *);
  22. extern void platform_device_unregister(struct platform_device *);
  23. extern struct bus_type platform_bus_type;
  24. extern struct device platform_bus;
  25. extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
  26. extern int platform_get_irq(struct platform_device *, unsigned int);
  27. extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
  28. extern int platform_get_irq_byname(struct platform_device *, char *);
  29. extern int platform_add_devices(struct platform_device **, int);
  30. extern struct platform_device *platform_device_register_simple(char *, unsigned int, struct resource *, unsigned int);
  31. extern struct platform_device *platform_device_alloc(const char *name, unsigned int id);
  32. extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
  33. extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
  34. extern int platform_device_add(struct platform_device *pdev);
  35. extern void platform_device_del(struct platform_device *pdev);
  36. extern void platform_device_put(struct platform_device *pdev);
  37. struct platform_driver {
  38. int (*probe)(struct platform_device *);
  39. int (*remove)(struct platform_device *);
  40. void (*shutdown)(struct platform_device *);
  41. int (*suspend)(struct platform_device *, pm_message_t state);
  42. int (*suspend_late)(struct platform_device *, pm_message_t state);
  43. int (*resume_early)(struct platform_device *);
  44. int (*resume)(struct platform_device *);
  45. struct device_driver driver;
  46. };
  47. extern int platform_driver_register(struct platform_driver *);
  48. extern void platform_driver_unregister(struct platform_driver *);
  49. /* non-hotpluggable platform devices may use this so that probe() and
  50. * its support may live in __init sections, conserving runtime memory.
  51. */
  52. extern int platform_driver_probe(struct platform_driver *driver,
  53. int (*probe)(struct platform_device *));
  54. #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
  55. #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
  56. #endif /* _PLATFORM_DEVICE_H_ */