145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
/* $NetBSD: kb_kbc.c,v 1.1 2001/01/25 14:33:30 tsutsui Exp $ */
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/*
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* Copyright (c) 2001 Izumi Tsutsui.
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* All rights reserved.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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/bus.h>
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#include <machine/cpu.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wskbdvar.h>
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#include <dev/wscons/wsksymdef.h>
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#include <dev/wscons/wsksymvar.h>
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#include <news68k/dev/kbcreg.h>
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#include <news68k/dev/kbcvar.h>
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#include <news68k/dev/kbvar.h>
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#include <news68k/news68k/isr.h>
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int kb_kbc_match(struct device *, struct cfdata *, void *);
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void kb_kbc_attach(struct device *, struct device *, void *);
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void kb_kbc_init(struct kb_softc *);
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int kb_kbc_intr(void *);
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int kb_kbc_cnattach(void);
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struct cfattach kb_kbc_ca = {
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sizeof(struct kb_softc), kb_kbc_match, kb_kbc_attach
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};
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struct console_softc kb_kbc_conssc;
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int
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kb_kbc_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 kbc_attach_args *ka = aux;
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if (strcmp(ka->ka_name, "kb"))
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return 0;
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return 1;
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}
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void
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kb_kbc_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 kb_softc *sc = (void *)self;
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struct kbc_attach_args *ka = aux;
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struct wskbddev_attach_args wsa;
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int ipl;
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printf("\n");
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sc->sc_bt = ka->ka_bt;
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sc->sc_bh = ka->ka_bh;
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sc->sc_offset = KBC_KBREG_DATA;
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sc->sc_conssc = &kb_kbc_conssc;
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ipl = ka->ka_ipl;
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kb_kbc_init(sc);
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isrlink_autovec(kb_kbc_intr, (void *)sc, ipl, ISRPRI_TTY);
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wsa.console = kb_kbc_conssc.cs_isconsole;
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wsa.keymap = &kb_keymapdata;
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wsa.accessops = &kb_accessops;
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wsa.accesscookie = sc;
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sc->sc_wskbddev = config_found(self, &wsa, wskbddevprint);
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}
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void
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kb_kbc_init(sc)
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struct kb_softc *sc;
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{
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bus_space_tag_t bt = sc->sc_bt;
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bus_space_handle_t bh = sc->sc_bh;
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bus_space_write_1(bt, bh, KBC_KBREG_RESET, 0);
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bus_space_write_1(bt, bh, KBC_KBREG_INTE, KBC_INTE);
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}
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int
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kb_kbc_intr(arg)
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void *arg;
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{
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struct kb_softc *sc = (struct kb_softc *)arg;
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struct console_softc *kb_conssc = sc->sc_conssc;
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bus_space_tag_t bt = sc->sc_bt;
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bus_space_handle_t bh = sc->sc_bh;
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int stat, handled = 0;
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kb_conssc->cs_nintr++;
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stat = bus_space_read_1(bt, bh, KBC_KBREG_STAT);
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if (stat & KBCSTAT_KBRDY) {
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kb_intr(sc);
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handled = 1;
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bus_space_write_1(bt, bh, KBC_KBREG_INTE, KBC_INTE);
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}
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return handled;
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}
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int
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kb_kbc_cnattach()
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{
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kb_kbc_conssc.cs_isconsole = 1;
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return kb_cnattach(&kb_kbc_conssc);
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}
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