diff --git a/src/ieee1394.h b/src/ieee1394.h
index 96a8308..1423744 100644
--- a/src/ieee1394.h
+++ b/src/ieee1394.h
@@ -18,6 +18,11 @@
 #define L1394_SPEED_100                0x0
 #define L1394_SPEED_200                0x1
 #define L1394_SPEED_400                0x2 
+/* added in libraw1394 v2.1.0: */
+#define L1394_SPEED_BETA               0x3
+#define L1394_SPEED_800                0x3
+#define L1394_SPEED_1600               0x4
+#define L1394_SPEED_3200               0x5
 
 #define L1394_SELFID_PWRCL_NO_POWER    0x0
 #define L1394_SELFID_PWRCL_PROVIDE_15W 0x1
diff --git a/src/raw1394.h b/src/raw1394.h
index 788d682..e1e34a3 100644
--- a/src/raw1394.h
+++ b/src/raw1394.h
@@ -79,9 +79,13 @@ typedef struct raw1394_arm_request_response {
 /* new ISO API */
 
 enum raw1394_iso_speed {
-	RAW1394_ISO_SPEED_100 = 0,
-	RAW1394_ISO_SPEED_200 = 1,
-	RAW1394_ISO_SPEED_400 = 2,
+	RAW1394_ISO_SPEED_100	= 0,
+	RAW1394_ISO_SPEED_200	= 1,
+	RAW1394_ISO_SPEED_400	= 2,
+	/* added in libraw1394 v2.1.0: */
+	RAW1394_ISO_SPEED_800	= 3,
+	RAW1394_ISO_SPEED_1600	= 4,
+	RAW1394_ISO_SPEED_3200	= 5,
 };
 
 /* The dma mode when receiving iso data. Must be supported by chipset */