sys/dev/isa/pcppireg.h

   1 /* $NetBSD: spkrreg.h,v 1.2 1997/04/06 23:17:58 cgd Exp $ */
   2
   3 /*
   4  * PPI speaker control values
   5  */
   6
   7 #define PIT_ENABLETMR2  0x01    /* Enable timer/counter 2 */
   8 #define PIT_SPKRDATA    0x02    /* Direct to speaker */
   9
  10 #define PIT_SPKR        (PIT_ENABLETMR2|PIT_SPKRDATA)