v4.19.13 snapshot.
diff --git a/drivers/usb/misc/rio500_usb.h b/drivers/usb/misc/rio500_usb.h
new file mode 100644
index 0000000..6db7a58
--- /dev/null
+++ b/drivers/usb/misc/rio500_usb.h
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* ----------------------------------------------------------------------
+ Copyright (C) 2000 Cesar Miquel (miquel@df.uba.ar)
+ ---------------------------------------------------------------------- */
+
+#define RIO_SEND_COMMAND 0x1
+#define RIO_RECV_COMMAND 0x2
+
+#define RIO_DIR_OUT 0x0
+#define RIO_DIR_IN 0x1
+
+struct RioCommand {
+ short length;
+ int request;
+ int requesttype;
+ int value;
+ int index;
+ void __user *buffer;
+ int timeout;
+};