| /* |
| * This header declares the utility functions used by "Gadget Zero", plus |
| * interfaces to its two single-configuration function drivers. |
| */ |
| |
| #ifndef __G_ZERO_H |
| #define __G_ZERO_H |
| |
| #include <linux/usb/composite.h> |
| |
| /* global state */ |
| extern unsigned buflen; |
| extern const struct usb_descriptor_header *otg_desc[]; |
| |
| /* common utilities */ |
| struct usb_request *alloc_ep_req(struct usb_ep *ep); |
| void free_ep_req(struct usb_ep *ep, struct usb_request *req); |
| void disable_endpoints(struct usb_composite_dev *cdev, |
| struct usb_ep *in, struct usb_ep *out); |
| |
| /* configuration-specific linkup */ |
| int sourcesink_add(struct usb_composite_dev *cdev, bool autoresume); |
| int loopback_add(struct usb_composite_dev *cdev, bool autoresume); |
| |
| #endif /* __G_ZERO_H */ |