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

13 lines
407 B
C

/* $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)