drivers/usb/gadget/g_zero.h

   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 struct 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
  19 struct 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
  29 struct f_lb_opts {
  30         struct usb_function_instance func_inst;
  31         unsigned bulk_buflen;
  32         unsigned qlen;
  33 };
  34
  35 void lb_modexit(void);
  36 int lb_modinit(void);
  37
  38 /* common utilities */
  39 struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
  40 void free_ep_req(struct usb_ep *ep, struct usb_request *req);
  41 void 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 */