diff options
Diffstat (limited to 'drivers/usb/gadget/g_zero.h')
| -rw-r--r-- | drivers/usb/gadget/g_zero.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/usb/gadget/g_zero.h b/drivers/usb/gadget/g_zero.h new file mode 100644 index 00000000000..dd2f16ad5a8 --- /dev/null +++ b/drivers/usb/gadget/g_zero.h @@ -0,0 +1,25 @@ +/* + * 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 */ |