/* * $Id$ * * Copyright (C) 2003-2015 JNode.org * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; If not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package org.jnode.driver.net.lance; import org.jnode.system.resource.IOResource; /** * @author Chris Cole */ public abstract class IOAccess { protected IOResource io; protected int iobase; public IOAccess(IOResource io, int iobase) { this.io = io; this.iobase = iobase; } public abstract String getType(); /** * Reset the device. */ public abstract void reset(); /** * Gets the contents of a Control and Status Register. * * @param csrnr */ public abstract int getCSR(int csrnr); /** * Sets the contents of a Control and Status Register. * * @param csrnr */ public abstract void setCSR(int csrnr, int value); /** * Gets the contents of a Bus Configuration Register. * * @param bcrnr */ public abstract int getBCR(int bcrnr); /** * Sets the contents of a Bus Configuration Register. * * @param bcrnr * @param value */ public abstract void setBCR(int bcrnr, int value); }