Linux kernel mirror (for testing)
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linux
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#include <linux/usb/composite.h>
10
11/* global state */
12extern unsigned buflen;
13extern const struct usb_descriptor_header *otg_desc[];
14
15/* common utilities */
16struct usb_request *alloc_ep_req(struct usb_ep *ep, int len);
17void free_ep_req(struct usb_ep *ep, struct usb_request *req);
18void 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);
21
22/* configuration-specific linkup */
23int sourcesink_add(struct usb_composite_dev *cdev, bool autoresume);
24int loopback_add(struct usb_composite_dev *cdev, bool autoresume);
25
26#endif /* __G_ZERO_H */