NetBSD-5.0.2/sys/arch/arc/isa/spkrreg.h

/*	$NetBSD: spkrreg.h,v 1.2 2000/01/23 21:01:59 soda Exp $	*/
/*	NetBSD: spkrreg.h,v 1.2 1994/10/27 04:18:16 cgd 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)