REG_64BIT_LOW_DW
{ RING_ACTHD(0), REG_64BIT_LOW_DW, 0, 0, 0, NULL}, \
{ RING_BBADDR(0), REG_64BIT_LOW_DW, 0, 0, 0, NULL}, \
{ RING_START(0), REG_64BIT_LOW_DW, 0, 0, 0, NULL}, \
{ RING_DMA_FADD(0), REG_64BIT_LOW_DW, 0, 0, 0, NULL}, \
{ RING_EXECLIST_STATUS_LO(0), REG_64BIT_LOW_DW, 0, 0, 0, NULL}, \
{ RING_EXECLIST_SQ_CONTENTS_LO(0), REG_64BIT_LOW_DW, 0, 0, 0, NULL}, \
case REG_64BIT_LOW_DW: