NetBSD/sys/arch/amiga/dev/drsupio.c

161 lines
4.4 KiB
C

/* $NetBSD: drsupio.c,v 1.15 2003/04/01 21:26:31 thorpej Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ignatios Souvatzis.
*
* 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: drsupio.c,v 1.15 2003/04/01 21:26:31 thorpej Exp $");
/*
* DraCo multi-io chip bus space stuff
*/
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/param.h>
#include <uvm/uvm_extern.h>
#include <machine/bus.h>
#include <amiga/include/cpu.h>
#include <amiga/amiga/device.h>
#include <amiga/amiga/drcustom.h>
#include <amiga/dev/supio.h>
struct drsupio_softc {
struct device sc_dev;
struct bus_space_tag sc_bst;
};
int drsupiomatch(struct device *, struct cfdata *, void *);
void drsupioattach(struct device *, struct device *, void *);
int drsupprint(void *auxp, const char *);
void drlptintack(void *);
CFATTACH_DECL(drsupio, sizeof(struct drsupio_softc),
drsupiomatch, drsupioattach, NULL, NULL);
int
drsupiomatch(struct device *parent, struct cfdata *cfp, void *auxp)
{
static int drsupio_matched = 0;
/* Exactly one of us lives on the DraCo */
if (!is_draco() || !matchname(auxp, "drsupio") || drsupio_matched)
return 0;
drsupio_matched = 1;
return 1;
}
struct drsupio_devs {
char *name;
int off;
int arg;
} drsupiodevs[] = {
{ "com", 0x3f8, 115200 * 16 },
{ "com", 0x2f8, 115200 * 16 },
{ "lpt", 0x278, (int)drlptintack },
{ "fdc", 0x3f0, 0 },
/* WD port? */
{ 0 }
};
void
drsupioattach(struct device *parent, struct device *self, void *auxp)
{
struct drsupio_softc *drsc;
struct drsupio_devs *drsd;
struct drioct *ioct;
struct supio_attach_args supa;
drsc = (struct drsupio_softc *)self;
drsd = drsupiodevs;
if (parent)
printf("\n");
drsc->sc_bst.base = DRCCADDR + PAGE_SIZE * DRSUPIOPG + 1;
drsc->sc_bst.absm = &amiga_bus_stride_4;
supa.supio_iot = &drsc->sc_bst;
supa.supio_ipl = 5;
while (drsd->name) {
supa.supio_name = drsd->name;
supa.supio_iobase = drsd->off;
supa.supio_arg = drsd->arg;
config_found(self, &supa, drsupprint); /* XXX */
++drsd;
}
drlptintack(0);
ioct = (struct drioct *)(DRCCADDR + PAGE_SIZE * DRIOCTLPG);
ioct->io_status2 |= DRSTAT2_PARIRQENA;
}
void
drlptintack(void *p)
{
struct drioct *ioct;
(void)p;
ioct = (struct drioct *)(DRCCADDR + PAGE_SIZE * DRIOCTLPG);
ioct->io_parrst = 0; /* any value works */
}
int
drsupprint(void *auxp, const char *pnp)
{
struct supio_attach_args *supa;
supa = auxp;
if (pnp == NULL)
return(QUIET);
aprint_normal("%s at %s port 0x%02x",
supa->supio_name, pnp, supa->supio_iobase);
return(UNCONF);
}