NetBSD/sys/arch/hp700/gsc/fdc_gsc.c

99 lines
3.2 KiB
C

/* $NetBSD: fdc_gsc.c,v 1.5 2003/11/20 03:58:47 chs Exp $ */
/* $OpenBSD: fdc_gsc.c,v 1.1 1998/09/30 04:45:46 mickey Exp $ */
/*
* Copyright (c) 1998 Michael Shalayeff
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fdc_gsc.c,v 1.5 2003/11/20 03:58:47 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/iomod.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/autoconf.h>
#include <dev/ic/fdreg.h>
#include <dev/ic/fdlink.h>
#include <hp700/dev/cpudevs.h>
/* controller driver configuration */
int fdc_gsc_probe(struct device *, void *, void *);
void fdc_gsc_attach(struct device *, struct device *, void *);
CFATTACH_DECL(fdc_gsc, sizeof(struct fdc_softc),
fdc_gsc_probe, fdc_gsc_attach, NULL, NULL);
int
fdc_gsc_probe(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
bus_space_handle_t ioh;
int rv;
if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD)
return 0;
/* Map the i/o space. */
if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
return 0;
rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET);
bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
return rv;
}
void
fdc_gsc_attach(struct device *parent, struct device *self, void *aux)
{
struct fdc_softc *sc = (void *)self;
bus_space_handle_t ioh;
struct confargs *ca = aux;
/* Re-map the I/O space. */
if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
panic("fdcattach: couldn't map I/O ports");
ioh |= IOMOD_DEVOFFSET;
sc->sc_iot = ca->ca_iot;
sc->sc_ioh = ioh;
sc->sc_ioh_ctl = ioh + FDCTL_OFFSET;
fdc_attach_subr(sc);
}