169 lines
4.2 KiB
C
169 lines
4.2 KiB
C
/* $NetBSD: kb_hb.c,v 1.3 2002/10/02 04:40:08 thorpej 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/hbvar.h>
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#include <news68k/dev/kb_hbreg.h>
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#include <news68k/dev/kbvar.h>
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#include <news68k/news68k/isr.h>
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#define KB_SIZE 0x10 /* XXX */
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#define KB_PRI 5
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int kb_hb_match(struct device *, struct cfdata *, void *);
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void kb_hb_attach(struct device *, struct device *, void *);
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void kb_hb_init(struct kb_softc *);
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int kb_hb_intr(void *);
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int kb_hb_cnattach(void);
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CFATTACH_DECL(kb_hb, sizeof(struct kb_softc),
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kb_hb_match, kb_hb_attach, NULL, NULL);
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struct console_softc kb_hb_conssc;
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extern struct cfdriver kb_hb_cd;
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int
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kb_hb_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 hb_attach_args *ha = aux;
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u_int addr;
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if (strcmp(ha->ha_name, "kb"))
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return 0;
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/* XXX no default address */
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if (ha->ha_address == -1)
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return 0;
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addr = IIOV(ha->ha_address); /* XXX */
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if (badaddr((void *)addr, 1))
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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_hb_attach(parent, self, aux)
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struct device *parent;
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struct device *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 hb_attach_args *ha = aux;
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bus_space_tag_t bt = ha->ha_bust;
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bus_space_handle_t bh;
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struct wskbddev_attach_args wsa;
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int ipl;
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if (bus_space_map(bt, ha->ha_address, KB_SIZE, 0, &bh) != 0) {
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printf("can't map device space\n");
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return;
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}
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printf("\n");
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sc->sc_bt = bt;
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sc->sc_bh = bh;
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sc->sc_offset = KB_REG_DATA;
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sc->sc_conssc = &kb_hb_conssc;
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ipl = ha->ha_ipl;
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if (ipl == -1)
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ipl = KB_PRI;
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kb_hb_init(sc);
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isrlink_autovec(kb_hb_intr, (void *)sc, ipl, ISRPRI_TTY);
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wsa.console = kb_hb_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_hb_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, KB_REG_RESET, 0);
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bus_space_write_1(bt, bh, KB_REG_INTE, KB_INTE);
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}
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int
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kb_hb_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, KB_REG_STAT);
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if (stat & KBSTAT_RDY) {
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kb_intr(sc);
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handled = 1;
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bus_space_write_1(bt, bh, KB_REG_INTE, KB_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_hb_cnattach()
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{
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kb_hb_conssc.cs_isconsole = 1;
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return kb_cnattach(&kb_hb_conssc);
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}
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