| /* | |
| * 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); | |
| int loopback_add(struct usb_composite_dev *cdev); | |
| #endif /* __G_ZERO_H */ |