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/* 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);
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