12 lines
351 B
C
12 lines
351 B
C
/* $NetBSD: spkrreg.h,v 1.1 2002/02/10 01:57:55 thorpej Exp $ */
|
|
|
|
/*
|
|
* PIT port addresses and speaker control values
|
|
*/
|
|
|
|
#define PITAUX_PORT 0x61 /* port of Programmable Peripheral Interface */
|
|
#define PIT_ENABLETMR2 0x01 /* Enable timer/counter 2 */
|
|
#define PIT_SPKRDATA 0x02 /* Direct to speaker */
|
|
|
|
#define PIT_SPKR (PIT_ENABLETMR2|PIT_SPKRDATA)
|