linux/drivers/usb/gadget/g_zero.h
<<
>>
Prefs
   1/*
   2 * This header declares the utility functions used by "Gadget Zero", plus
   3 * interfaces to its two single-configuration function drivers.
   4 */
   5
   6#ifndef __G_ZERO_H
   7#define __G_ZERO_H
   8
   9#include <linux/usb/composite.h>
  10
  11/* global state */
  12extern unsigned buflen;
  13extern const struct usb_descriptor_header *otg_desc[];
  14
  15/* common utilities */
  16struct usb_request *alloc_ep_req(struct usb_ep *ep);
  17void free_ep_req(struct usb_ep *ep, struct usb_request *req);
  18void disable_endpoints(struct usb_composite_dev *cdev,
  19                struct usb_ep *in, struct usb_ep *out);
  20
  21/* configuration-specific linkup */
  22int sourcesink_add(struct usb_composite_dev *cdev, bool autoresume);
  23int loopback_add(struct usb_composite_dev *cdev, bool autoresume);
  24
  25#endif /* __G_ZERO_H */
  26