121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/* $NetBSD: sio.c,v 1.11 2011/07/28 10:01:44 tsutsui 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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*
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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 1.11 2011/07/28 10:01:44 tsutsui 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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#include "ioconf.h"
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static int sio_match(device_t, cfdata_t, void *);
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static void sio_attach(device_t, device_t, void *);
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static int sio_print(void *, const char *);
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CFATTACH_DECL_NEW(sio, sizeof(struct sio_softc),
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sio_match, sio_attach, NULL, NULL);
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static void nullintr(int);
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static int xsiointr(void *);
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static int
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sio_match(device_t parent, cfdata_t cf, 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(device_t parent, device_t self, void *aux)
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{
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struct sio_softc *sc = device_private(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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aprint_normal(": uPD7201A\n");
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sc->scp_dev = self;
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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(void *aux, 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(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
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nullintr(int v)
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{
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}
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