BD79703_CHAN_ADDR
BD79703_CHAN_ADDR(0, 1),
BD79703_CHAN_ADDR(1, 2),
BD79703_CHAN_ADDR(2, 5),
BD79703_CHAN_ADDR(3, 6),
#define BD79703_CHAN(_chan) BD79703_CHAN_ADDR((_chan), (_chan) + 1)