aboutsummaryrefslogblamecommitdiffstats
path: root/drivers/usb/gadget/g_zero.h
blob: dd2f16ad5a888541da09071f83a7b963c59f962e (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11










                                                                         
                       









                                                             
                                                 

                       
/*
 * 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 */