usb.h 6.1 KB

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  1. #include <linux/pm.h>
  2. #include <linux/acpi.h>
  3. struct dev_state;
  4. /* Functions local to drivers/usb/core/ */
  5. extern int usb_create_sysfs_dev_files(struct usb_device *dev);
  6. extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
  7. extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
  8. extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
  9. extern int usb_create_ep_devs(struct device *parent,
  10. struct usb_host_endpoint *endpoint,
  11. struct usb_device *udev);
  12. extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
  13. extern void usb_enable_endpoint(struct usb_device *dev,
  14. struct usb_host_endpoint *ep, bool reset_toggle);
  15. extern void usb_enable_interface(struct usb_device *dev,
  16. struct usb_interface *intf, bool reset_toggles);
  17. extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
  18. bool reset_hardware);
  19. extern void usb_disable_interface(struct usb_device *dev,
  20. struct usb_interface *intf, bool reset_hardware);
  21. extern void usb_release_interface_cache(struct kref *ref);
  22. extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
  23. extern int usb_deauthorize_device(struct usb_device *);
  24. extern int usb_authorize_device(struct usb_device *);
  25. extern void usb_detect_quirks(struct usb_device *udev);
  26. extern void usb_detect_interface_quirks(struct usb_device *udev);
  27. extern int usb_remove_device(struct usb_device *udev);
  28. extern int usb_get_device_descriptor(struct usb_device *dev,
  29. unsigned int size);
  30. extern int usb_get_bos_descriptor(struct usb_device *dev);
  31. extern void usb_release_bos_descriptor(struct usb_device *dev);
  32. extern char *usb_cache_string(struct usb_device *udev, int index);
  33. extern int usb_set_configuration(struct usb_device *dev, int configuration);
  34. extern int usb_choose_configuration(struct usb_device *udev);
  35. extern void usb_kick_khubd(struct usb_device *dev);
  36. extern int usb_match_one_id_intf(struct usb_device *dev,
  37. struct usb_host_interface *intf,
  38. const struct usb_device_id *id);
  39. extern int usb_match_device(struct usb_device *dev,
  40. const struct usb_device_id *id);
  41. extern void usb_forced_unbind_intf(struct usb_interface *intf);
  42. extern void usb_rebind_intf(struct usb_interface *intf);
  43. extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
  44. struct dev_state *owner);
  45. extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
  46. struct dev_state *owner);
  47. extern void usb_hub_release_all_ports(struct usb_device *hdev,
  48. struct dev_state *owner);
  49. extern bool usb_device_is_owned(struct usb_device *udev);
  50. extern int usb_hub_init(void);
  51. extern void usb_hub_cleanup(void);
  52. extern int usb_major_init(void);
  53. extern void usb_major_cleanup(void);
  54. #ifdef CONFIG_PM
  55. extern int usb_suspend(struct device *dev, pm_message_t msg);
  56. extern int usb_resume(struct device *dev, pm_message_t msg);
  57. extern int usb_resume_complete(struct device *dev);
  58. extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
  59. extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
  60. #else
  61. static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
  62. {
  63. return 0;
  64. }
  65. static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
  66. {
  67. return 0;
  68. }
  69. #endif
  70. #ifdef CONFIG_USB_SUSPEND
  71. extern void usb_autosuspend_device(struct usb_device *udev);
  72. extern int usb_autoresume_device(struct usb_device *udev);
  73. extern int usb_remote_wakeup(struct usb_device *dev);
  74. extern int usb_runtime_suspend(struct device *dev);
  75. extern int usb_runtime_resume(struct device *dev);
  76. extern int usb_runtime_idle(struct device *dev);
  77. extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
  78. #else
  79. #define usb_autosuspend_device(udev) do {} while (0)
  80. static inline int usb_autoresume_device(struct usb_device *udev)
  81. {
  82. return 0;
  83. }
  84. static inline int usb_remote_wakeup(struct usb_device *udev)
  85. {
  86. return 0;
  87. }
  88. static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
  89. {
  90. return 0;
  91. }
  92. #endif
  93. extern struct bus_type usb_bus_type;
  94. extern struct device_type usb_device_type;
  95. extern struct device_type usb_if_device_type;
  96. extern struct device_type usb_ep_device_type;
  97. extern struct device_type usb_port_device_type;
  98. extern struct usb_device_driver usb_generic_driver;
  99. static inline int is_usb_device(const struct device *dev)
  100. {
  101. return dev->type == &usb_device_type;
  102. }
  103. static inline int is_usb_interface(const struct device *dev)
  104. {
  105. return dev->type == &usb_if_device_type;
  106. }
  107. static inline int is_usb_endpoint(const struct device *dev)
  108. {
  109. return dev->type == &usb_ep_device_type;
  110. }
  111. static inline int is_usb_port(const struct device *dev)
  112. {
  113. return dev->type == &usb_port_device_type;
  114. }
  115. /* Do the same for device drivers and interface drivers. */
  116. static inline int is_usb_device_driver(struct device_driver *drv)
  117. {
  118. return container_of(drv, struct usbdrv_wrap, driver)->
  119. for_devices;
  120. }
  121. /* for labeling diagnostics */
  122. extern const char *usbcore_name;
  123. /* sysfs stuff */
  124. extern const struct attribute_group *usb_device_groups[];
  125. extern const struct attribute_group *usb_interface_groups[];
  126. /* usbfs stuff */
  127. extern struct mutex usbfs_mutex;
  128. extern struct usb_driver usbfs_driver;
  129. extern const struct file_operations usbfs_devices_fops;
  130. extern const struct file_operations usbdev_file_operations;
  131. extern void usbfs_conn_disc_event(void);
  132. extern int usb_devio_init(void);
  133. extern void usb_devio_cleanup(void);
  134. /* internal notify stuff */
  135. extern void usb_notify_add_device(struct usb_device *udev);
  136. extern void usb_notify_remove_device(struct usb_device *udev);
  137. extern void usb_notify_add_bus(struct usb_bus *ubus);
  138. extern void usb_notify_remove_bus(struct usb_bus *ubus);
  139. extern enum usb_port_connect_type
  140. usb_get_hub_port_connect_type(struct usb_device *hdev, int port1);
  141. extern void usb_set_hub_port_connect_type(struct usb_device *hdev, int port1,
  142. enum usb_port_connect_type type);
  143. #ifdef CONFIG_ACPI
  144. extern int usb_acpi_register(void);
  145. extern void usb_acpi_unregister(void);
  146. extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
  147. int port1);
  148. #else
  149. static inline int usb_acpi_register(void) { return 0; };
  150. static inline void usb_acpi_unregister(void) { };
  151. #endif