src_set_bm
int (*src_set_bm)(void *blk, unsigned int bm);
.src_set_bm = src_set_bm,
.src_set_bm = src_set_bm,
hw->src_set_bm(src->rsc.ctrl_blk, 1);
hw->src_set_bm(src->rsc.ctrl_blk, 1);
hw->src_set_bm(src->rsc.ctrl_blk, 0);
.set_bm = src_set_bm,
hw->src_set_bm(src->rsc.ctrl_blk, bm);