131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/* $NetBSD: sio.c,v 1.4 2007/03/04 06:00:03 christos Exp $ */
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/*-
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* Copyright (c) 2000 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 Tohru Nishimura.
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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/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: sio.c,v 1.4 2007/03/04 06:00:03 christos Exp $");
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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/autoconf.h>
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#include <luna68k/luna68k/isr.h>
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#include <luna68k/dev/siovar.h>
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static int sio_match __P((struct device *, struct cfdata *, void *));
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static void sio_attach __P((struct device *, struct device *, void *));
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static int sio_print __P((void *, const char *));
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CFATTACH_DECL(sio, sizeof(struct sio_softc),
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sio_match, sio_attach, NULL, NULL);
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extern struct cfdriver sio_cd;
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static void nullintr __P((int));
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static int xsiointr __P((void *));
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static int
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sio_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct mainbus_attach_args *ma = aux;
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if (strcmp(ma->ma_name, sio_cd.cd_name))
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return 0;
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if (badaddr((void *)ma->ma_addr, 4))
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return 0;
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return 1;
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}
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static void
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sio_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 sio_softc *sc = (void *)self;
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struct mainbus_attach_args *ma = aux;
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struct sio_attach_args sio_args;
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int channel;
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extern int sysconsole; /* console: 0 for ttya, 1 for desktop */
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printf(": 7201a\n");
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sc->scp_ctl = (void *)ma->ma_addr;
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sc->scp_intr[0] = sc->scp_intr[1] = nullintr;
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for (channel = 0; channel < 2; channel++) {
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sio_args.channel = channel;
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sio_args.hwflags = (channel == sysconsole);
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config_found(self, (void *)&sio_args, sio_print);
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}
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isrlink_autovec(xsiointr, sc, ma->ma_ilvl, ISRPRI_TTYNOBUF);
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}
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static int
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sio_print(aux, name)
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void *aux;
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const char *name;
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{
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struct sio_attach_args *args = aux;
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if (name != NULL)
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aprint_normal("%s: ", name);
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if (args->channel != -1)
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aprint_normal(" channel %d", args->channel);
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return UNCONF;
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}
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static int
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xsiointr(arg)
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void *arg;
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{
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struct sio_softc *sc = arg;
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(*sc->scp_intr[0])(0); /* 0: ttya system serial port */
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(*sc->scp_intr[1])(1); /* 1: keyboard and mouse */
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return 1;
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}
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static void nullintr(v) int v; { }
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