HWS_REG_DMA_ADDR
hws->bar0_base + HWS_REG_DMA_ADDR(ch));
hws->bar0_base + HWS_REG_DMA_ADDR(vid->channel_index));
HWS_REG_DMA_ADDR(v->channel_index));
hws->bar0_base + HWS_REG_DMA_ADDR(vid->channel_index));
iowrite32(lower_32_bits(dma), hws->bar0_base + HWS_REG_DMA_ADDR(ch));