HAL_SRNG_RING_ID_DMAC_CMN_ID_START
idx = ring_id - HAL_SRNG_RING_ID_DMAC_CMN_ID_START;
idx = ring_id - HAL_SRNG_RING_ID_DMAC_CMN_ID_START;
HAL_SRNG_SW2RXDMA_BUF0 = HAL_SRNG_RING_ID_DMAC_CMN_ID_START,
HAL_SRNG_RING_ID_DMAC_CMN_ID_START)