/* $NetBSD: mpu_isa.c,v 1.16 2006/11/16 01:33:00 christos Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 __KERNEL_RCSID(0, "$NetBSD: mpu_isa.c,v 1.16 2006/11/16 01:33:00 christos Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include struct mpu_isa_softc { struct mpu_softc sc_mpu; /* generic part */ void *sc_ih; /* ISA interrupt handler */ }; int mpu_isa_match(struct device *, struct cfdata *, void *); void mpu_isa_attach(struct device *, struct device *, void *); CFATTACH_DECL(mpu_isa, sizeof(struct mpu_isa_softc), mpu_isa_match, mpu_isa_attach, NULL, NULL); int mpu_isa_match(struct device *parent, struct cfdata *match, void *aux) { struct isa_attach_args *ia = aux; struct mpu_isa_softc sc; int r; if (ia->ia_nio < 1) return (0); if (ia->ia_nirq < 1) return (0); if (ISA_DIRECT_CONFIG(ia)) return (0); if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) return (0); if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) return (0); memset(&sc, 0, sizeof sc); sc.sc_mpu.iot = ia->ia_iot; if (bus_space_map(sc.sc_mpu.iot, ia->ia_io[0].ir_addr, MPU401_NPORT, 0, &sc.sc_mpu.ioh)) return (0); r = mpu_find(&sc.sc_mpu); bus_space_unmap(sc.sc_mpu.iot, sc.sc_mpu.ioh, MPU401_NPORT); if (r) { ia->ia_nio = 1; ia->ia_io[0].ir_size = MPU401_NPORT; ia->ia_nirq = 1; ia->ia_niomem = 0; ia->ia_ndrq = 0; } return (r); } void mpu_isa_attach(struct device *parent, struct device *self, void *aux) { struct mpu_isa_softc *sc = (struct mpu_isa_softc *)self; struct isa_attach_args *ia = aux; printf("\n"); if (bus_space_map(sc->sc_mpu.iot, ia->ia_io[0].ir_addr, MPU401_NPORT, 0, &sc->sc_mpu.ioh)) { printf("mpu_isa_attach: bus_space_map failed\n"); return; } sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, IST_EDGE, IPL_AUDIO, mpu_intr, sc); sc->sc_mpu.model = "Roland MPU-401 MIDI UART"; mpu_attach(&sc->sc_mpu); }