ASC_IOP_CTRL     1283 dev/ic/advlib.h #define ASC_GET_CHIP_CONTROL(iot, ioh)				bus_space_read_1((iot), (ioh), ASC_IOP_CTRL)
ASC_IOP_CTRL     1284 dev/ic/advlib.h #define ASC_SET_CHIP_CONTROL(iot, ioh, cc_val)			bus_space_write_1((iot), (ioh), ASC_IOP_CTRL, cc_val)