e5760fdac8
This splits the gadget zero "loopback" configuration into a standalone "configuration driver", building on the composite gadget framework code. It doesn't yet pull the original code out of gadget zero or update how that driver is built. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
26 lines
717 B
C
26 lines
717 B
C
/*
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* This header declares the utility functions used by "Gadget Zero", plus
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* interfaces to its two single-configuration function drivers.
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*/
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#ifndef __G_ZERO_H
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#define __G_ZERO_H
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#include <linux/usb/composite.h>
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/* global state */
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extern unsigned buflen;
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extern const struct usb_descriptor_header *otg_desc[];
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/* common utilities */
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struct usb_request *alloc_ep_req(struct usb_ep *ep);
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void free_ep_req(struct usb_ep *ep, struct usb_request *req);
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void disable_endpoints(struct usb_composite_dev *cdev,
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struct usb_ep *in, struct usb_ep *out);
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/* configuration-specific linkup */
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int sourcesink_add(struct usb_composite_dev *cdev);
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int loopback_add(struct usb_composite_dev *cdev);
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#endif /* __G_ZERO_H */
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