linux/drivers/usb/gadget/g_zero.h
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   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
   9struct usb_zero_options {
  10        unsigned pattern;
  11        unsigned isoc_interval;
  12        unsigned isoc_maxpacket;
  13        unsigned isoc_mult;
  14        unsigned isoc_maxburst;
  15        unsigned bulk_buflen;
  16        unsigned qlen;
  17};
  18
  19struct f_ss_opts {
  20        struct usb_function_instance func_inst;
  21        unsigned pattern;
  22        unsigned isoc_interval;
  23        unsigned isoc_maxpacket;
  24        unsigned isoc_mult;
  25        unsigned isoc_maxburst;
  26        unsigned bulk_buflen;
  27};
  28
  29struct f_lb_opts {
  30        struct usb_function_instance func_inst;
  31        unsigned bulk_buflen;
  32        unsigned qlen;
  33};
  34
  35void lb_modexit(void);
  36int lb_modinit(void);
  37
  38/* common utilities */
  39struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
  40void free_ep_req(struct usb_ep *ep, struct usb_request *req);
  41void disable_endpoints(struct usb_composite_dev *cdev,
  42                struct usb_ep *in, struct usb_ep *out,
  43                struct usb_ep *iso_in, struct usb_ep *iso_out);
  44
  45#endif /* __G_ZERO_H */
  46