2 * This header declares the utility functions used by "Gadget Zero", plus
3 * interfaces to its two single-configuration function drivers.
9 #include <linux/usb/composite.h>
12 extern unsigned buflen;
13 extern const struct usb_descriptor_header *otg_desc[];
15 /* common utilities */
16 struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
17 void free_ep_req(struct usb_ep *ep, struct usb_request *req);
18 void disable_endpoints(struct usb_composite_dev *cdev,
19 struct usb_ep *in, struct usb_ep *out,
20 struct usb_ep *iso_in, struct usb_ep *iso_out);
22 /* configuration-specific linkup */
23 int sourcesink_add(struct usb_composite_dev *cdev, bool autoresume);
24 int loopback_add(struct usb_composite_dev *cdev, bool autoresume);
26 #endif /* __G_ZERO_H */