NetBSD/sys/dev/isa/ess_isa.c

135 lines
4.1 KiB
C

/* $NetBSD: ess_isa.c,v 1.6 2001/11/13 08:01:13 lukem Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Nathan J. Williams.
*
* 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ess_isa.c,v 1.6 2001/11/13 08:01:13 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <dev/isa/isavar.h>
#include <dev/isa/essreg.h>
#include <dev/isa/essvar.h>
#ifdef ESS_ISA_DEBUG
#define DPRINTF(x) printf x
#else
#define DPRINTF(x)
#endif
int ess_isa_probe __P((struct device *, struct cfdata *, void *));
void ess_isa_attach __P((struct device *, struct device *, void *));
struct cfattach ess_isa_ca = {
sizeof(struct ess_softc), ess_isa_probe, ess_isa_attach
};
int
ess_isa_probe(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
int ret;
struct isa_attach_args *ia = aux;
struct ess_softc probesc, *sc= &probesc;
memset(sc, 0, sizeof *sc);
sc->sc_ic = ia->ia_ic;
sc->sc_iot = ia->ia_iot;
sc->sc_iobase = ia->ia_iobase;
if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) {
DPRINTF(("ess_isa_probe: Couldn't map I/O region at %x, size %x\n",
sc->sc_iobase, ESS_NPORT));
return 0;
}
sc->sc_audio1.irq = ia->ia_irq;
sc->sc_audio1.ist = IST_EDGE;
sc->sc_audio1.drq = ia->ia_drq;
sc->sc_audio2.irq = -1;
sc->sc_audio2.drq = ia->ia_drq2;
ret = essmatch(sc);
bus_space_unmap(sc->sc_iot, sc->sc_ioh, ESS_NPORT);
if (ret) {
DPRINTF(("ess_isa_probe succeeded (score %d)\n", ret));
ia->ia_iosize = ESS_NPORT;
} else
DPRINTF(("ess_isa_probe failed\n"));
return ret;
}
void ess_isa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ess_softc *sc = (void *)self;
struct isa_attach_args *ia = aux;
printf("\n");
sc->sc_ic = ia->ia_ic;
sc->sc_iot = ia->ia_iot;
sc->sc_iobase = ia->ia_iobase;
if (bus_space_map(sc->sc_iot, sc->sc_iobase, ESS_NPORT, 0, &sc->sc_ioh)) {
DPRINTF(("ess_isa_attach: Couldn't map I/O region at %x, size %x\n",
sc->sc_iobase, ESS_NPORT));
return;
}
sc->sc_audio1.irq = ia->ia_irq;
sc->sc_audio1.ist = IST_EDGE;
sc->sc_audio1.drq = ia->ia_drq;
sc->sc_audio2.irq = -1;
sc->sc_audio2.drq = ia->ia_drq2;
printf("%s", sc->sc_dev.dv_xname);
essattach(sc);
}