fifo_area
bzr = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b2;
bzr = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b1;
bzt = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b2;
bzt = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b1;
df = &((union fifo_area *)(hc->hw.fifos))->d_chan.d_rx;
rxbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b2;
txbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b2;
bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.rxdat_b2;
rxbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b1;
txbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b1;
bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.rxdat_b1;
df = &((union fifo_area *) (hc->hw.fifos))->d_chan.d_tx;
bz = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b2;
bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.txdat_b2;
bz = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b1;
bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.txdat_b1;