1 /* Functions local to drivers/usb/core/ */ 2 3 extern int usb_create_sysfs_dev_files(struct usb_device *dev); 4 extern void usb_remove_sysfs_dev_files(struct usb_device *dev); 5 extern int usb_create_sysfs_intf_files(struct usb_interface *intf); 6 extern void usb_remove_sysfs_intf_files(struct usb_interface *intf); 7 extern int usb_create_ep_files(struct device *parent, 8 struct usb_host_endpoint *endpoint, 9 struct usb_device *udev); 10 extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint); 11 12 extern void usb_enable_endpoint(struct usb_device *dev, 13 struct usb_host_endpoint *ep); 14 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr); 15 extern void usb_disable_interface(struct usb_device *dev, 16 struct usb_interface *intf); 17 extern void usb_release_interface_cache(struct kref *ref); 18 extern void usb_disable_device(struct usb_device *dev, int skip_ep0); 19 extern int usb_deauthorize_device(struct usb_device *); 20 extern int usb_authorize_device(struct usb_device *); 21 extern void usb_detect_quirks(struct usb_device *udev); 22 23 extern int usb_get_device_descriptor(struct usb_device *dev, 24 unsigned int size); 25 extern char *usb_cache_string(struct usb_device *udev, int index); 26 extern int usb_set_configuration(struct usb_device *dev, int configuration); 27 extern int usb_choose_configuration(struct usb_device *udev); 28 29 extern void usb_kick_khubd(struct usb_device *dev); 30 extern int usb_match_device(struct usb_device *dev, 31 const struct usb_device_id *id); 32 extern void usb_forced_unbind_intf(struct usb_interface *intf); 33 extern void usb_rebind_intf(struct usb_interface *intf); 34 35 extern int usb_hub_init(void); 36 extern void usb_hub_cleanup(void); 37 extern int usb_major_init(void); 38 extern void usb_major_cleanup(void); 39 extern int usb_host_init(void); 40 extern void usb_host_cleanup(void); 41 42 #ifdef CONFIG_PM 43 44 extern void usb_autosuspend_work(struct work_struct *work); 45 extern int usb_port_suspend(struct usb_device *dev); 46 extern int usb_port_resume(struct usb_device *dev); 47 extern int usb_external_suspend_device(struct usb_device *udev, 48 pm_message_t msg); 49 extern int usb_external_resume_device(struct usb_device *udev); 50 51 static inline void usb_pm_lock(struct usb_device *udev) 52 { 53 mutex_lock_nested(&udev->pm_mutex, udev->level); 54 } 55 56 static inline void usb_pm_unlock(struct usb_device *udev) 57 { 58 mutex_unlock(&udev->pm_mutex); 59 } 60 61 #else 62 63 static inline int usb_port_suspend(struct usb_device *udev) 64 { 65 return 0; 66 } 67 68 static inline int usb_port_resume(struct usb_device *udev) 69 { 70 return 0; 71 } 72 73 static inline void usb_pm_lock(struct usb_device *udev) {} 74 static inline void usb_pm_unlock(struct usb_device *udev) {} 75 76 #endif 77 78 #ifdef CONFIG_USB_SUSPEND 79 80 extern void usb_autosuspend_device(struct usb_device *udev); 81 extern void usb_try_autosuspend_device(struct usb_device *udev); 82 extern int usb_autoresume_device(struct usb_device *udev); 83 84 #else 85 86 #define usb_autosuspend_device(udev) do {} while (0) 87 #define usb_try_autosuspend_device(udev) do {} while (0) 88 static inline int usb_autoresume_device(struct usb_device *udev) 89 { 90 return 0; 91 } 92 93 #endif 94 95 extern struct workqueue_struct *ksuspend_usb_wq; 96 extern struct bus_type usb_bus_type; 97 extern struct device_type usb_device_type; 98 extern struct device_type usb_if_device_type; 99 extern struct usb_device_driver usb_generic_driver; 100 101 static inline int is_usb_device(const struct device *dev) 102 { 103 return dev->type == &usb_device_type; 104 } 105 106 /* Do the same for device drivers and interface drivers. */ 107 108 static inline int is_usb_device_driver(struct device_driver *drv) 109 { 110 return container_of(drv, struct usbdrv_wrap, driver)-> 111 for_devices; 112 } 113 114 /* Interfaces and their "power state" are owned by usbcore */ 115 116 static inline void mark_active(struct usb_interface *f) 117 { 118 f->is_active = 1; 119 } 120 121 static inline void mark_quiesced(struct usb_interface *f) 122 { 123 f->is_active = 0; 124 } 125 126 static inline int is_active(const struct usb_interface *f) 127 { 128 return f->is_active; 129 } 130 131 132 /* for labeling diagnostics */ 133 extern const char *usbcore_name; 134 135 /* sysfs stuff */ 136 extern struct attribute_group *usb_device_groups[]; 137 extern struct attribute_group *usb_interface_groups[]; 138 139 /* usbfs stuff */ 140 extern struct mutex usbfs_mutex; 141 extern struct usb_driver usbfs_driver; 142 extern const struct file_operations usbfs_devices_fops; 143 extern const struct file_operations usbdev_file_operations; 144 extern void usbfs_conn_disc_event(void); 145 extern void usb_fs_classdev_common_remove(struct usb_device *udev); 146 147 extern int usb_devio_init(void); 148 extern void usb_devio_cleanup(void); 149 150 /* internal notify stuff */ 151 extern void usb_notify_add_device(struct usb_device *udev); 152 extern void usb_notify_remove_device(struct usb_device *udev); 153 extern void usb_notify_add_bus(struct usb_bus *ubus); 154 extern void usb_notify_remove_bus(struct usb_bus *ubus); 155 156