+/* some defines for modem registers that seem to be 'reserved' */
+#define PHY_INDEX_REG 0x10
+#define PHY_DATA_REG 0x11
+#define PHY_MPHY_CONTROL_REG 0x12
+
+/* defines for specified registers */
+#define PHY_LOOPBACK_CONTROL 0x13 /* TRU_VMI_LOOPBACK_CONTROL_1_REG 19 */
+ /* TRU_VMI_LOOPBACK_CONTROL_2_REG 20 */
+#define PHY_REGISTER_MGMT_CONTROL 0x15 /* TRU_VMI_MI_SEQ_CONTROL_REG 21 */
+#define PHY_CONFIG 0x16 /* TRU_VMI_CONFIGURATION_REG 22 */
+#define PHY_PHY_CONTROL 0x17 /* TRU_VMI_PHY_CONTROL_REG 23 */
+#define PHY_INTERRUPT_MASK 0x18 /* TRU_VMI_INTERRUPT_MASK_REG 24 */
+#define PHY_INTERRUPT_STATUS 0x19 /* TRU_VMI_INTERRUPT_STATUS_REG 25 */
+#define PHY_PHY_STATUS 0x1A /* TRU_VMI_PHY_STATUS_REG 26 */
+#define PHY_LED_1 0x1B /* TRU_VMI_LED_CONTROL_1_REG 27 */
+#define PHY_LED_2 0x1C /* TRU_VMI_LED_CONTROL_2_REG 28 */
+ /* TRU_VMI_LINK_CONTROL_REG 29 */
+ /* TRU_VMI_TIMING_CONTROL_REG */
+