1 /* $NetBSD: spkrreg.h,v 1.1 2002/02/10 01:57:55 thorpej Exp $ */ 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) 12