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platform_device.h

platform_device.h 3.0 KB
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  1. /*
    2. 

  2.  * platform_device.h - generic, centralized driver model
    3. 

  3.  *
    4. 

  4.  * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
    5. 

  5.  *
    6. 

  6.  * This file is released under the GPLv2
    7. 

  7.  *
    8. 

  8.  * See Documentation/driver-model/ for more information.
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef _PLATFORM_DEVICE_H_
    12. 

  12. #define _PLATFORM_DEVICE_H_
    13. 

  13. 

  14. #include <linux/device.h>
    15. 

  15. #include <linux/mod_devicetable.h>
    16. 

  16. 

  17. struct platform_device {
    18. 

  18. 	const char	* name;
    19. 

  19. 	int		id;
    20. 

  20. 	struct device	dev;
    21. 

  21. 	u32		num_resources;
    22. 

  22. 	struct resource	* resource;
    23. 

  23. 	void		*platform_data;
    24. 

  24. 

  25. 	struct platform_device_id	*id_entry;
    26. 

  26. };
    27. 

  27. 

  28. #define platform_get_device_id(pdev)	((pdev)->id_entry)
    29. 

  29. 

  30. #define to_platform_device(x) container_of((x), struct platform_device, dev)
    31. 

  31. 

  32. extern int platform_device_register(struct platform_device *);
    33. 

  33. extern void platform_device_unregister(struct platform_device *);
    34. 

  34. 

  35. extern struct bus_type platform_bus_type;
    36. 

  36. extern struct device platform_bus;
    37. 

  37. 

  38. extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
    39. 

  39. extern int platform_get_irq(struct platform_device *, unsigned int);
    40. 

  40. extern struct resource *platform_get_resource_byname(struct platform_device *, unsigned int, char *);
    41. 

  41. extern int platform_get_irq_byname(struct platform_device *, char *);
    42. 

  42. extern int platform_add_devices(struct platform_device **, int);
    43. 

  43. 

  44. extern struct platform_device *platform_device_register_simple(const char *, int id,
    45. 

  45. 					struct resource *, unsigned int);
    46. 

  46. extern struct platform_device *platform_device_register_data(struct device *,
    47. 

  47. 		const char *, int, const void *, size_t);
    48. 

  48. 

  49. extern struct platform_device *platform_device_alloc(const char *name, int id);
    50. 

  50. extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
    51. 

  51. extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
    52. 

  52. extern int platform_device_add(struct platform_device *pdev);
    53. 

  53. extern void platform_device_del(struct platform_device *pdev);
    54. 

  54. extern void platform_device_put(struct platform_device *pdev);
    55. 

  55. 

  56. struct platform_driver {
    57. 

  57. 	int (*probe)(struct platform_device *);
    58. 

  58. 	int (*remove)(struct platform_device *);
    59. 

  59. 	void (*shutdown)(struct platform_device *);
    60. 

  60. 	int (*suspend)(struct platform_device *, pm_message_t state);
    61. 

  61. 	int (*suspend_late)(struct platform_device *, pm_message_t state);
    62. 

  62. 	int (*resume_early)(struct platform_device *);
    63. 

  63. 	int (*resume)(struct platform_device *);
    64. 

  64. 	struct device_driver driver;
    65. 

  65. 	struct platform_device_id *id_table;
    66. 

  66. };
    67. 

  67. 

  68. extern int platform_driver_register(struct platform_driver *);
    69. 

  69. extern void platform_driver_unregister(struct platform_driver *);
    70. 

  70. 

  71. /* non-hotpluggable platform devices may use this so that probe() and
    72. 

  72.  * its support may live in __init sections, conserving runtime memory.
    73. 

  73.  */
    74. 

  74. extern int platform_driver_probe(struct platform_driver *driver,
    75. 

  75. 		int (*probe)(struct platform_device *));
    76. 

  76. 

  77. #define platform_get_drvdata(_dev)	dev_get_drvdata(&(_dev)->dev)
    78. 

  78. #define platform_set_drvdata(_dev,data)	dev_set_drvdata(&(_dev)->dev, (data))
    79. 

  79. 

  80. #endif /* _PLATFORM_DEVICE_H_ */
    81.