| /* Functions local to drivers/usb/core/ */ |
| |
| extern int usb_create_sysfs_dev_files (struct usb_device *dev); |
| extern void usb_remove_sysfs_dev_files (struct usb_device *dev); |
| extern int usb_create_sysfs_intf_files (struct usb_interface *intf); |
| extern void usb_remove_sysfs_intf_files (struct usb_interface *intf); |
| extern int usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint, |
| struct usb_device *udev); |
| extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint); |
| |
| extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr); |
| extern void usb_disable_interface (struct usb_device *dev, |
| struct usb_interface *intf); |
| extern void usb_release_interface_cache(struct kref *ref); |
| extern void usb_disable_device (struct usb_device *dev, int skip_ep0); |
| |
| extern int usb_get_device_descriptor(struct usb_device *dev, |
| unsigned int size); |
| extern char *usb_cache_string(struct usb_device *udev, int index); |
| extern int usb_set_configuration(struct usb_device *dev, int configuration); |
| |
| extern void usb_kick_khubd(struct usb_device *dev); |
| extern void usb_resume_root_hub(struct usb_device *dev); |
| |
| extern int usb_hub_init(void); |
| extern void usb_hub_cleanup(void); |
| extern int usb_major_init(void); |
| extern void usb_major_cleanup(void); |
| extern int usb_host_init(void); |
| extern void usb_host_cleanup(void); |
| |
| #ifdef CONFIG_PM |
| |
| extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg); |
| extern int usb_resume_both(struct usb_device *udev); |
| extern int usb_port_suspend(struct usb_device *dev); |
| extern int usb_port_resume(struct usb_device *dev); |
| |
| static inline void usb_pm_lock(struct usb_device *udev) |
| { |
| mutex_lock_nested(&udev->pm_mutex, udev->level); |
| } |
| |
| static inline void usb_pm_unlock(struct usb_device *udev) |
| { |
| mutex_unlock(&udev->pm_mutex); |
| } |
| |
| #else |
| |
| #define usb_suspend_both(udev, msg) 0 |
| static inline int usb_resume_both(struct usb_device *udev) |
| { |
| return 0; |
| } |
| #define usb_port_suspend(dev) 0 |
| #define usb_port_resume(dev) 0 |
| static inline void usb_pm_lock(struct usb_device *udev) {} |
| static inline void usb_pm_unlock(struct usb_device *udev) {} |
| |
| #endif |
| |
| #ifdef CONFIG_USB_SUSPEND |
| |
| #define USB_AUTOSUSPEND_DELAY (HZ*2) |
| |
| extern void usb_autosuspend_device(struct usb_device *udev, int dec_busy_cnt); |
| extern int usb_autoresume_device(struct usb_device *udev, int inc_busy_cnt); |
| |
| #else |
| |
| #define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0) |
| static inline int usb_autoresume_device(struct usb_device *udev, |
| int inc_busy_cnt) |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| extern struct workqueue_struct *ksuspend_usb_wq; |
| extern struct bus_type usb_bus_type; |
| extern struct usb_device_driver usb_generic_driver; |
| |
| /* Here's how we tell apart devices and interfaces. Luckily there's |
| * no such thing as a platform USB device, so we can steal the use |
| * of the platform_data field. */ |
| |
| static inline int is_usb_device(const struct device *dev) |
| { |
| return dev->platform_data == &usb_generic_driver; |
| } |
| |
| /* Do the same for device drivers and interface drivers. */ |
| |
| static inline int is_usb_device_driver(struct device_driver *drv) |
| { |
| return container_of(drv, struct usbdrv_wrap, driver)-> |
| for_devices; |
| } |
| |
| /* Interfaces and their "power state" are owned by usbcore */ |
| |
| static inline void mark_active(struct usb_interface *f) |
| { |
| f->is_active = 1; |
| } |
| |
| static inline void mark_quiesced(struct usb_interface *f) |
| { |
| f->is_active = 0; |
| } |
| |
| static inline int is_active(const struct usb_interface *f) |
| { |
| return f->is_active; |
| } |
| |
| |
| /* for labeling diagnostics */ |
| extern const char *usbcore_name; |
| |
| /* usbfs stuff */ |
| extern struct mutex usbfs_mutex; |
| extern struct usb_driver usbfs_driver; |
| extern const struct file_operations usbfs_devices_fops; |
| extern const struct file_operations usbfs_device_file_operations; |
| extern void usbfs_conn_disc_event(void); |
| |
| extern int usbdev_init(void); |
| extern void usbdev_cleanup(void); |
| |
| struct dev_state { |
| struct list_head list; /* state list */ |
| struct usb_device *dev; |
| struct file *file; |
| spinlock_t lock; /* protects the async urb lists */ |
| struct list_head async_pending; |
| struct list_head async_completed; |
| wait_queue_head_t wait; /* wake up if a request completed */ |
| unsigned int discsignr; |
| pid_t disc_pid; |
| uid_t disc_uid, disc_euid; |
| void __user *disccontext; |
| unsigned long ifclaimed; |
| u32 secid; |
| }; |
| |
| /* internal notify stuff */ |
| extern void usb_notify_add_device(struct usb_device *udev); |
| extern void usb_notify_remove_device(struct usb_device *udev); |
| extern void usb_notify_add_bus(struct usb_bus *ubus); |
| extern void usb_notify_remove_bus(struct usb_bus *ubus); |
| |