/* $NetBSD: epled.c,v 1.2 2006/03/26 04:38:52 thorpej Exp $ */ /* * Copyright (c) 2005 HAMAJIMA Katsuomi. All rights reserved. * * 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. * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: epled.c,v 1.2 2006/03/26 04:38:52 thorpej Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/device.h> #include <machine/bus.h> #include <arm/ep93xx/epgpiovar.h> #include <arm/ep93xx/epledvar.h> struct epled_softc { struct device sc_dev; int sc_port; int sc_green; int sc_red; struct epgpio_softc *sc_gpio; }; static int epled_match(struct device *, struct cfdata *, void *); static void epled_attach(struct device *, struct device *, void *); CFATTACH_DECL(epled, sizeof(struct epled_softc), epled_match, epled_attach, NULL, NULL); static struct epled_softc *the_epled_sc = 0; int epled_match(struct device *parent, struct cfdata *cf, void *aux) { return 1; } void epled_attach(struct device *parent, struct device *self, void *aux) { struct epled_softc *sc = (struct epled_softc *)self; struct epgpio_attach_args *ga = aux; sc->sc_port = ga->ga_port; sc->sc_green = ga->ga_bit1; sc->sc_red = ga->ga_bit2; sc->sc_gpio = (struct epgpio_softc *)parent; printf("\n"); if (!the_epled_sc) the_epled_sc = sc; #ifdef DIAGNOSTIC else printf("%s is already configured\n", sc->sc_dev.dv_xname); #endif epgpio_out(sc->sc_gpio, sc->sc_port, sc->sc_green); epgpio_out(sc->sc_gpio, sc->sc_port, sc->sc_red); } int epled_red_on(void) { struct epled_softc *sc = the_epled_sc; #ifdef DIAGNOSTIC if (!sc) { printf("epled not configured\n"); return (ENXIO); } #endif epgpio_set(sc->sc_gpio, sc->sc_port, sc->sc_red); return 0; } int epled_red_off(void) { struct epled_softc *sc = the_epled_sc; #ifdef DIAGNOSTIC if (!sc) { printf("epled not configured\n"); return (ENXIO); } #endif epgpio_clear(sc->sc_gpio, sc->sc_port, sc->sc_red); return 0; } int epled_green_on(void) { struct epled_softc *sc = the_epled_sc; #ifdef DIAGNOSTIC if (!sc) { printf("epled not configured\n"); return (ENXIO); } #endif epgpio_set(sc->sc_gpio, sc->sc_port, sc->sc_green); return 0; } int epled_green_off(void) { struct epled_softc *sc = the_epled_sc; #ifdef DIAGNOSTIC if (!sc) { printf("epled not configured\n"); return (ENXIO); } #endif epgpio_clear(sc->sc_gpio, sc->sc_port, sc->sc_green); return 0; }