sys/arch/shark/isa/spkrreg.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * PIT port addresses and speaker control values
   5  */
   6
   7 #define PITAUX_PORT     0x61    /* port of Programmable Peripheral Interface */
   8 #define PIT_ENABLETMR2  0x01    /* Enable timer/counter 2 */
   9 #define PIT_SPKRDATA    0x02    /* Direct to speaker */
  10
  11 #define PIT_SPKR        (PIT_ENABLETMR2|PIT_SPKRDATA)