sys/arch/arc/isa/spkrreg.h

   1 /*      $NetBSD: spkrreg.h,v 1.1.1.1 1996/03/13 04:58:09 jonathan Exp $ */
   2 /*      NetBSD: spkrreg.h,v 1.2 1994/10/27 04:18:16 cgd Exp     */
   3
   4 /*
   5  * PIT port addresses and speaker control values
   6  */
   7
   8 #define PITAUX_PORT     0x61    /* port of Programmable Peripheral Interface */
   9 #define PIT_ENABLETMR2  0x01    /* Enable timer/counter 2 */
  10 #define PIT_SPKRDATA    0x02    /* Direct to speaker */
  11
  12 #define PIT_SPKR        (PIT_ENABLETMR2|PIT_SPKRDATA)