+// SPDX-License-Identifier: GPL-2.0+
/*
* epautoconf.c -- endpoint autoconfiguration for usb gadget drivers
*
* Copyright (C) 2004 David Brownell
*
- * SPDX-License-Identifier: GPL-2.0+
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * Ported to U-boot by: Thomas Smits <ts.smits@gmail.com> and
+ * Ported to U-Boot by: Thomas Smits <ts.smits@gmail.com> and
* Remy Bohmer <linux@bohmer.net>
*/
#include <common.h>
#include <linux/usb/ch9.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
#include <linux/usb/gadget.h>
#include <asm/unaligned.h>
#include "gadget_chips.h"
struct usb_endpoint_descriptor *desc
)
{
- struct usb_ep *ep;
+ struct usb_ep *ep = NULL;
u8 type;
type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
ep = find_ep(gadget, "ep1-bulk");
if (ep && ep_matches(gadget, ep, desc))
return ep;
+ } else if (gadget_is_dwc3(gadget)) {
+ const char *name = NULL;
+ /*
+ * First try standard, common configuration: ep1in-bulk,
+ * ep2out-bulk, ep3in-int to match other udc drivers to avoid
+ * confusion in already deployed software (endpoint numbers
+ * hardcoded in userspace software/drivers)
+ */
+ if ((desc->bEndpointAddress & USB_DIR_IN) &&
+ type == USB_ENDPOINT_XFER_BULK)
+ name = "ep1in";
+ else if ((desc->bEndpointAddress & USB_DIR_IN) == 0 &&
+ type == USB_ENDPOINT_XFER_BULK)
+ name = "ep2out";
+ else if ((desc->bEndpointAddress & USB_DIR_IN) &&
+ type == USB_ENDPOINT_XFER_INT)
+ name = "ep3in";
+
+ if (name)
+ ep = find_ep(gadget, name);
+ if (ep && ep_matches(gadget, ep, desc))
+ return ep;
}
/* Second, look at endpoints until an unclaimed one looks usable */