134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/* $NetBSD: ess_isa.c,v 1.1 1999/03/02 20:42:10 nathanw Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Nathan J. Williams.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/essreg.h>
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#include <dev/isa/essvar.h>
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#ifdef ESS_ISA_DEBUG
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#define DPRINTF(x) printf x
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#else
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#define DPRINTF(x)
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#endif
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int ess_isa_probe __P((struct device *, struct cfdata *, void *));
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void ess_isa_attach __P((struct device *, struct device *, void *));
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struct cfattach ess_isa_ca = {
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sizeof(struct ess_softc), ess_isa_probe, ess_isa_attach
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};
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int
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ess_isa_probe(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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int ret;
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struct isa_attach_args *ia = aux;
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struct ess_softc probesc, *sc= &probesc;
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memset(sc, 0, sizeof *sc);
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sc->sc_ic = ia->ia_ic;
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sc->sc_iot = ia->ia_iot;
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sc->sc_iobase = ia->ia_iobase;
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if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) {
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DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, size %x\n",
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sc->sc_iobase, ESS_NPORT));
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return 0;
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}
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sc->sc_in.irq = ia->ia_irq;
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sc->sc_in.ist = IST_EDGE;
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sc->sc_in.drq = ia->ia_drq;
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sc->sc_out.irq = ia->ia_irq;
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sc->sc_out.ist = IST_EDGE;
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sc->sc_out.drq = ia->ia_drq2;
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ret = essmatch(sc);
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bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT);
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if (ret)
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DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret));
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else
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DPRINTF(("ess_isa_probe failed]n"));
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return ret;
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}
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void ess_isa_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct ess_softc *sc = (void *)self;
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struct isa_attach_args *ia = aux;
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printf("\n");
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sc->sc_ic = ia->ia_ic;
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sc->sc_iot = ia->ia_iot;
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sc->sc_iobase = ia->ia_iobase;
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if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) {
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DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, size %x\n",
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sc->sc_iobase, ESS_NPORT));
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return;
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}
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sc->sc_in.irq = ia->ia_irq;
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sc->sc_in.ist = IST_EDGE;
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sc->sc_in.drq = ia->ia_drq;
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sc->sc_out.irq = ia->ia_irq;
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sc->sc_out.ist = IST_EDGE;
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sc->sc_out.drq = ia->ia_drq;
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printf("%s:", sc->sc_dev.dv_xname);
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essattach(sc);
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}
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