/* $NetBSD: joy_isa.c,v 1.3 1998/03/22 12:53:55 drochner Exp $ */ /*- * Copyright (c) 1995 Jean-Marc Zucconi * All rights reserved. * * Ported to NetBSD by Matthieu Herrb . Additional * modification by Jason R. Thorpe . * * 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 withough 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 #include #include #include #include #include #include #define JOY_NPORTS 1 int joy_isa_probe __P((struct device *, struct cfdata *, void *)); void joy_isa_attach __P((struct device *, struct device *, void *)); struct cfattach joy_isa_ca = { sizeof(struct joy_softc), joy_isa_probe, joy_isa_attach }; int joy_isa_probe(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct isa_attach_args *ia = aux; bus_space_tag_t iot = ia->ia_iot; bus_space_handle_t ioh; int rval = 0; if (ia->ia_iobase == IOBASEUNK) return (0); if (bus_space_map(iot, ia->ia_iobase, JOY_NPORTS, 0, &ioh)) return (0); #ifdef WANT_JOYSTICK_CONNECTED bus_space_write_1(iot, ioh, 0, 0xff); DELAY(10000); /* 10 ms delay */ if ((bus_space_read_1(iot, ioh, 0) & 0x0f) != 0x0f) rval = 1; #else rval = 1; #endif bus_space_unmap(iot, ioh, JOY_NPORTS); ia->ia_iosize = JOY_NPORTS; ia->ia_msize = 0; return (rval); } void joy_isa_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct joy_softc *sc = (struct joy_softc *) self; struct isa_attach_args *ia = aux; printf("\n"); sc->sc_iot = ia->ia_iot; if (bus_space_map(sc->sc_iot, ia->ia_iobase, JOY_NPORTS, 0, &sc->sc_ioh)) { printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); return; } joyattach(sc); }