4.3BSD-UWisc/include/vaxuba/adreg.h

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/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)adreg.h	7.1 (Berkeley) 6/5/86
 */
/*
 * RCS Info	
 *	$Header: adreg.h,v 3.1 86/10/22 14:01:53 tadl Exp $
 *	$Locker:  $
 */

struct addevice {
	short int ad_csr;			/* Control status register */
	short int ad_data;			/* Data buffer */
};

#define AD_CHAN		ADIOSCHAN
#define AD_READ		ADIOGETW
#define	ADIOSCHAN	_IOW(a, 0, int)		/* set channel */
#define	ADIOGETW	_IOR(a, 1, int)		/* read one word */

/*
 * Unibus CSR register bits
 */

#define AD_START		01
#define AD_SCHMITT		020
#define AD_CLOCK		040
#define AD_IENABLE		0100
#define AD_DONE 		0200
#define AD_INCENABLE		040000
#define AD_ERROR		0100000