xref: /src/sys/arch/shark/isa/spkrreg.h

/*	$NetBSD: spkrreg.h,v 1.1.14.2 2002/06/23 17:41:23 jdolecek 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)