WDC_WRITE_CTLREG
#define WDC_WRITE_CTLREG(chp, reg, val) outb((chp)->c_ctlbase, (val))
#define WDC_WRITE_CTLREG(chp, reg, val) (chp)->c_ctlbase[(reg)] = (val)
#define WDC_WRITE_CTLREG(chp, reg, val) (chp)->c_ctlbase[(reg)] = (val)
#define WDC_WRITE_CTLREG(chp, reg, val) do { \