-#define AR9170_DMA_CTL_ENABLE_TO_DEVICE BIT(0)
-#define AR9170_DMA_CTL_ENABLE_FROM_DEVICE BIT(1)
-#define AR9170_DMA_CTL_HIGH_SPEED BIT(2)
-#define AR9170_DMA_CTL_UP_PACKET_MODE BIT(3)
-#define AR9170_DMA_CTL_UP_STREAM_S 4
-#define AR9170_DMA_CTL_UP_STREAM (3 << 4)
-#define AR9170_DMA_CTL_UP_STREAM_4K (0 << 4)
-#define AR9170_DMA_CTL_UP_STREAM_8K (1 << 4)
-#define AR9170_DMA_CTL_UP_STREAM_16K (2 << 4)
-#define AR9170_DMA_CTL_UP_STREAM_32K (3 << 4)
-#define AR9170_DMA_CTL_DOWN_STREAM BIT(6)
+#define AR9170_USB_DMA_CTL_ENABLE_TO_DEVICE BIT(0)
+#define AR9170_USB_DMA_CTL_ENABLE_FROM_DEVICE BIT(1)
+#define AR9170_USB_DMA_CTL_HIGH_SPEED BIT(2)
+#define AR9170_USB_DMA_CTL_UP_PACKET_MODE BIT(3)
+#define AR9170_USB_DMA_CTL_UP_STREAM_S 4
+#define AR9170_USB_DMA_CTL_UP_STREAM (BIT(4) | BIT(5))
+#define AR9170_USB_DMA_CTL_UP_STREAM_4K (0)
+#define AR9170_USB_DMA_CTL_UP_STREAM_8K BIT(4)
+#define AR9170_USB_DMA_CTL_UP_STREAM_16K BIT(5)
+#define AR9170_USB_DMA_CTL_UP_STREAM_32K (BIT(4) | BIT(5))
+#define AR9170_USB_DMA_CTL_DOWN_STREAM BIT(6)
+
+#define AR9170_USB_REG_DMA_STATUS (AR9170_USB_REG_BASE + 0x10c)
+#define AR9170_USB_DMA_STATUS_UP_IDLE BIT(8)
+#define AR9170_USB_DMA_STATUS_DN_IDLE BIT(16)