MQ200_GCCR
reg = mq200_read(sc, MQ200_GCCR(MQ200_GC1));
reg = mq200_read(sc, MQ200_GCCR(MQ200_GC2));
reg = mq200_read(sc, MQ200_GCCR(gc));
#define MQ200_GC1CR MQ200_GCCR(0)
#define MQ200_GC2CR MQ200_GCCR(1)
[MQ200_I_GCC(MQ200_GC1)] = MQ200_GCCR(MQ200_GC1),
[MQ200_I_GCC(MQ200_GC2)] = MQ200_GCCR(MQ200_GC2),