of_platform.h 2.4 KB

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  1. #ifndef _LINUX_OF_PLATFORM_H
  2. #define _LINUX_OF_PLATFORM_H
  3. /*
  4. * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
  5. * <benh@kernel.crashing.org>
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version
  10. * 2 of the License, or (at your option) any later version.
  11. *
  12. */
  13. #ifdef CONFIG_OF_DEVICE
  14. #include <linux/module.h>
  15. #include <linux/device.h>
  16. #include <linux/mod_devicetable.h>
  17. #include <linux/pm.h>
  18. #include <linux/of_device.h>
  19. #include <linux/platform_device.h>
  20. extern const struct of_device_id of_default_bus_ids[];
  21. /*
  22. * An of_platform_driver driver is attached to a basic of_device on
  23. * the "platform bus" (platform_bus_type).
  24. */
  25. struct of_platform_driver
  26. {
  27. int (*probe)(struct of_device* dev,
  28. const struct of_device_id *match);
  29. int (*remove)(struct of_device* dev);
  30. int (*suspend)(struct of_device* dev, pm_message_t state);
  31. int (*resume)(struct of_device* dev);
  32. int (*shutdown)(struct of_device* dev);
  33. struct device_driver driver;
  34. struct platform_driver platform_driver;
  35. };
  36. #define to_of_platform_driver(drv) \
  37. container_of(drv,struct of_platform_driver, driver)
  38. extern int of_register_driver(struct of_platform_driver *drv,
  39. struct bus_type *bus);
  40. extern void of_unregister_driver(struct of_platform_driver *drv);
  41. /* Platform drivers register/unregister */
  42. extern int of_register_platform_driver(struct of_platform_driver *drv);
  43. extern void of_unregister_platform_driver(struct of_platform_driver *drv);
  44. extern struct of_device *of_device_alloc(struct device_node *np,
  45. const char *bus_id,
  46. struct device *parent);
  47. #include <asm/of_platform.h>
  48. extern struct of_device *of_find_device_by_node(struct device_node *np);
  49. extern int of_bus_type_init(struct bus_type *bus, const char *name);
  50. #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
  51. /* Platform devices and busses creation */
  52. extern struct of_device *of_platform_device_create(struct device_node *np,
  53. const char *bus_id,
  54. struct device *parent);
  55. /* pseudo "matches" value to not do deep probe */
  56. #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
  57. extern int of_platform_bus_probe(struct device_node *root,
  58. const struct of_device_id *matches,
  59. struct device *parent);
  60. #endif /* !CONFIG_SPARC */
  61. #endif /* CONFIG_OF_DEVICE */
  62. #endif /* _LINUX_OF_PLATFORM_H */