/* $NetBSD: joy_timer.c,v 1.3 2003/07/15 02:54:51 lukem Exp $ */ /* * XXX This _really_ should be rewritten such that it doesn't * XXX rely in the i386 timer! */ /*- * Copyright (c) 1995 Jean-Marc Zucconi * All rights reserved. * * Ported to NetBSD by Matthieu Herrb * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include __KERNEL_RCSID(0, "$NetBSD: joy_timer.c,v 1.3 2003/07/15 02:54:51 lukem Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include int joy_get_tick() { int low, high; isa_outb(IO_TIMER1 + TIMER_MODE, TIMER_SEL0); low = isa_inb(IO_TIMER1 + TIMER_CNTR0); high = isa_inb(IO_TIMER1 + TIMER_CNTR0); return (high << 8) | low; } int joy_timer_freq() { return (TIMER_FREQ); }