/* $NetBSD: mcclock_pad32.c,v 1.16 2009/03/14 21:04:19 dsl 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mcclock_pad32.c,v 1.16 2009/03/14 21:04:19 dsl Exp $");
/*
* mc1461818 (or compatible) clock chip 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)
*
* bus-specific frontends should just declare an attach and match
* entry, and set up a initializea switch to call the functions below.
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/clock_subr.h>
#include <machine/autoconf.h>
#include <dev/dec/clockvar.h>
#include <dev/dec/mcclockvar.h>
#include <dev/ic/mc146818reg.h>
#include <dev/dec/mcclock_pad32.h>
void mcclock_pad32_write(struct mcclock_softc *, u_int, u_int);
u_int mcclock_pad32_read(struct mcclock_softc *, u_int);
const struct mcclock_busfns mcclock_pad32_busfns = {
mcclock_pad32_write, mcclock_pad32_read,
};
void
mcclock_pad32_write(struct mcclock_softc *dev, u_int reg, u_int datum)
{
struct mcclock_pad32_softc *sc = (struct mcclock_pad32_softc *)dev;
sc->sc_dp[reg].datum = datum;
}
u_int
mcclock_pad32_read(struct mcclock_softc *dev, u_int reg)
{
struct mcclock_pad32_softc *sc = (struct mcclock_pad32_softc *)dev;
return (sc->sc_dp[reg].datum);
}
