/* $NetBSD: mcclock_pad32.h,v 1.10 2000/02/11 02:36:16 simonb Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or
[email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* mc1461818 (or compatible) clock driver, for machines where
* each byte-wide mcclock chip register is mapped into the low-order
* byte of a little-endian 32-bit word,
* DECstation 2100/3100
* DECstation 5100
* DECstation 5000/200 baseboard
* IOCTL asic machines (Alpha 3000 series, Decstation 5000 series)
*/
struct mcclock_pad32_clockdatum {
u_char datum;
char pad[3];
};
/*
* Device softc used by bus-specific front-end.
*/
struct mcclock_pad32_softc {
struct mcclock_softc sc_mcclock;
struct mcclock_pad32_clockdatum *sc_dp;
};
/* register read/write functions */
extern const struct mcclock_busfns mcclock_pad32_busfns;
