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/* $OpenBSD: sio.c,v 1.7 2021/10/24 09:18:51 deraadt Exp $ */
/* $NetBSD: sio.c,v 1.1 2000/01/05 08:48:55 nisimura Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tohru Nishimura.
*
* 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.
*
* 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.
*/
/* from NetBSD/luna68k dev/sio.c */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/autoconf.h>
#include <luna88k/luna88k/isr.h>
#include <luna88k/dev/siovar.h>
int sio_match(struct device *, void *, void *);
void sio_attach(struct device *, struct device *, void *);
int sio_print(void *, const char *);
const struct cfattach sio_ca = {
sizeof(struct sio_softc), sio_match, sio_attach
};
struct cfdriver sio_cd = {
NULL, "sio", DV_DULL,
};
void nullintr(void *);
int xsiointr(void *);
int
sio_match(struct device *parent, void *cf, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, sio_cd.cd_name))
return 0;
if (badaddr((vaddr_t)ma->ma_addr, 4))
return 0;
return 1;
}
void
sio_attach(struct device *parent, struct device *self, void *aux)
{
struct sio_softc *sc = (void *)self;
struct mainbus_attach_args *ma = aux;
struct sio_attach_args sio_args;
int channel;
extern int sysconsole; /* console: 0 for ttya, 1 for desktop */
printf(": 7201a\n");
sc->sc_ctl = (void *)ma->ma_addr;
for (channel = 0; channel < 2; channel++) {
sc->sc_intrhand[channel].ih_func = nullintr;
sio_args.channel = channel;
sio_args.hwflags = (channel == sysconsole);
config_found(self, (void *)&sio_args, sio_print);
}
isrlink_autovec(xsiointr, sc, ma->ma_ilvl, ISRPRI_TTYNOBUF,
self->dv_xname);
}
int
sio_print(void *aux, const char *name)
{
struct sio_attach_args *args = aux;
if (name != NULL)
printf("%s: ", name);
if (args->channel != -1)
printf(" channel %d", args->channel);
return UNCONF;
}
int
xsiointr(void *arg)
{
struct sio_softc *sc = arg;
/* channel 0: ttya system serial port */
(*sc->sc_intrhand[0].ih_func)(sc->sc_intrhand[0].ih_arg);
/* channel 1: keyboard and mouse */
(*sc->sc_intrhand[1].ih_func)(sc->sc_intrhand[1].ih_arg);
return 1;
}
void
nullintr(void *arg)
{
}
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