svn commit: r280598 - head/sys/dev/usb

[Hans Petter Selasky]

Author: hselasky
Date: Wed Mar 25 13:32:27 2015
New Revision: 280598
URL: https://svnweb.freebsd.org/changeset/base/280598

Log:
  Add definition of the ISOCHRONOUS endpoint usage bits.
  Refer to the USB v2.0 specification for more information.
  
  MFC after:	1 week

Modified:
  head/sys/dev/usb/usb.h

Modified: head/sys/dev/usb/usb.h
==============================================================================
--- head/sys/dev/usb/usb.h	Wed Mar 25 13:28:13 2015	(r280597)
+++ head/sys/dev/usb/usb.h	Wed Mar 25 13:32:27 2015	(r280598)
@@ -542,6 +542,11 @@ struct usb_endpoint_descriptor {
 #define	UE_ISO_ADAPT	0x08
 #define	UE_ISO_SYNC	0x0c
 #define	UE_GET_ISO_TYPE(a)	((a) & UE_ISO_TYPE)
+#define	UE_ISO_USAGE	0x30
+#define	UE_ISO_USAGE_DATA	0x00
+#define	UE_ISO_USAGE_FEEDBACK	0x10
+#define	UE_ISO_USAGE_IMPLICT_FB	0x20
+#define	UE_GET_ISO_USAGE(a)	((a) & UE_ISO_USAGE)
 	uWord	wMaxPacketSize;
 #define	UE_ZERO_MPS 0xFFFF		/* for internal use only */
 	uByte	bInterval;