HAL_REO1_RING_TP_OFFSET
#define HAL_REO1_RING_TP_OFFSET(ab) (HAL_REO1_RING_TP(ab) - HAL_REO1_RING_HP(ab))
#define HAL_REO1_RING_TP_OFFSET (HAL_REO1_RING_TP - HAL_REO1_RING_HP)