482 lines
11 KiB
C
482 lines
11 KiB
C
/* $NetBSD: hpckbd.c,v 1.10 2002/10/02 16:33:50 thorpej Exp $ */
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/*-
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* Copyright (c) 1999-2001 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 UCHIYAMA Yasushi.
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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>
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__KERNEL_RCSID(0, "$NetBSD: hpckbd.c,v 1.10 2002/10/02 16:33:50 thorpej 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 <sys/tty.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <machine/config_hook.h>
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#include <machine/platid.h>
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#include <machine/platid_mask.h>
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#include "opt_wsdisplay_compat.h"
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#include "opt_pckbd_layout.h"
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#include <dev/wscons/wsksymdef.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 <dev/pckbc/wskbdmap_mfii.h>
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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#include <dev/hpc/pckbd_encode.h>
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#endif
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#include <dev/hpc/hpckbdvar.h>
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#include <dev/hpc/hpckbdkeymap.h>
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struct hpckbd_softc;
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#define NEVENTQ 32
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struct hpckbd_eventq {
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u_int hq_type;
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int hq_data;
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};
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struct hpckbd_core {
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struct hpckbd_if hc_if;
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struct hpckbd_ic_if *hc_ic;
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const u_int8_t *hc_keymap;
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const int *hc_special;
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int hc_polling;
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int hc_console;
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#define NEVENTQ 32
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struct hpckbd_eventq hc_eventq[NEVENTQ];
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struct hpckbd_eventq *hc_head, *hc_tail;
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int hc_nevents;
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int hc_enabled;
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struct device *hc_wskbddev;
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struct hpckbd_softc* hc_sc; /* back link */
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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int hc_rawkbd;
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#endif
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};
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struct hpckbd_softc {
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struct device sc_dev;
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struct hpckbd_core *sc_core;
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struct hpckbd_core sc_coredata;
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};
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int hpckbd_match(struct device *, struct cfdata *, void *);
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void hpckbd_attach(struct device *, struct device *, void *);
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void hpckbd_initcore(struct hpckbd_core *, struct hpckbd_ic_if *, int);
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void hpckbd_initif(struct hpckbd_core *);
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int hpckbd_getevent(struct hpckbd_core *, u_int *, int *);
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int hpckbd_putevent(struct hpckbd_core *, u_int, int);
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void hpckbd_keymap_lookup(struct hpckbd_core*);
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void hpckbd_keymap_setup(struct hpckbd_core *, const keysym_t *, int);
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int __hpckbd_input(void *, int, int);
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void __hpckbd_input_hook(void*);
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CFATTACH_DECL(hpckbd, sizeof(struct hpckbd_softc),
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hpckbd_match, hpckbd_attach, NULL, NULL);
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/* wskbd accessopts */
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int hpckbd_enable(void *, int);
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void hpckbd_set_leds(void *, int);
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int hpckbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
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/* consopts */
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struct hpckbd_core hpckbd_consdata;
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void hpckbd_cngetc(void *, u_int *, int*);
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void hpckbd_cnpollc(void *, int);
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const struct wskbd_accessops hpckbd_accessops = {
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hpckbd_enable,
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hpckbd_set_leds,
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hpckbd_ioctl,
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};
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const struct wskbd_consops hpckbd_consops = {
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hpckbd_cngetc,
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hpckbd_cnpollc,
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};
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struct wskbd_mapdata hpckbd_keymapdata = {
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pckbd_keydesctab,
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#ifdef PCKBD_LAYOUT
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PCKBD_LAYOUT
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#else
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KB_US
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#endif
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};
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int
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hpckbd_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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return (1);
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}
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void
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hpckbd_attach(struct device *parent, struct device *self, void *aux)
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{
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struct hpckbd_attach_args *haa = aux;
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struct hpckbd_softc *sc = (void*)self;
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struct hpckbd_ic_if *ic = haa->haa_ic;
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struct wskbddev_attach_args wa;
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/*
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* Initialize core if it isn't console
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*/
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if (hpckbd_consdata.hc_ic == ic) {
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sc->sc_core = &hpckbd_consdata;
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/* The core has been initialized in hpckbd_cnattach. */
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} else {
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sc->sc_core = &sc->sc_coredata;
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hpckbd_initcore(sc->sc_core, ic, 0 /* not console */);
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}
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if (sc->sc_core->hc_keymap == default_keymap)
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printf(": no keymap.");
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printf("\n");
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/*
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* setup hpckbd public interface for parent controller.
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*/
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hpckbd_initif(sc->sc_core);
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/*
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* attach wskbd
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*/
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wa.console = sc->sc_core->hc_console;
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wa.keymap = &hpckbd_keymapdata;
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wa.accessops = &hpckbd_accessops;
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wa.accesscookie = sc->sc_core;
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sc->sc_core->hc_wskbddev = config_found(self, &wa, wskbddevprint);
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}
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int
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hpckbd_print(void *aux, const char *pnp)
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{
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return (pnp ? QUIET : UNCONF);
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}
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void
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hpckbd_initcore(struct hpckbd_core *hc, struct hpckbd_ic_if *ic, int console)
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{
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hc->hc_polling = 0;
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hc->hc_console = console;
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hc->hc_ic = ic;
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/* setup event queue */
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hc->hc_head = hc->hc_tail = hc->hc_eventq;
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hc->hc_nevents = 0;
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hpckbd_keymap_lookup(hc);
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}
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void
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hpckbd_initif(struct hpckbd_core *hc)
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{
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struct hpckbd_if *kbdif = &hc->hc_if;
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kbdif->hi_ctx = hc;
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kbdif->hi_input = __hpckbd_input;
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kbdif->hi_input_hook = __hpckbd_input_hook;
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hpckbd_ic_establish(hc->hc_ic, &hc->hc_if);
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}
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int
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hpckbd_putevent(struct hpckbd_core* hc, u_int type, int data)
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{
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int s = spltty();
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if (hc->hc_nevents == NEVENTQ) {
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splx(s);
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return (0); /* queue is full */
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}
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hc->hc_nevents++;
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hc->hc_tail->hq_type = type;
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hc->hc_tail->hq_data = data;
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if (&hc->hc_eventq[NEVENTQ] <= ++hc->hc_tail)
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hc->hc_tail = hc->hc_eventq;
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splx(s);
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return (1);
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}
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int
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hpckbd_getevent(struct hpckbd_core* hc, u_int *type, int *data)
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{
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int s = spltty();
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if (hc->hc_nevents == 0) {
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splx(s);
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return (0); /* queue is empty */
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}
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*type = hc->hc_head->hq_type;
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*data = hc->hc_head->hq_data;
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hc->hc_nevents--;
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if (&hc->hc_eventq[NEVENTQ] <= ++hc->hc_head)
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hc->hc_head = hc->hc_eventq;
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splx(s);
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return (1);
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}
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void
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hpckbd_keymap_setup(struct hpckbd_core *hc, const keysym_t *map, int mapsize)
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{
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int i;
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struct wscons_keydesc *desc;
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/* fix keydesc table */
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desc = (struct wscons_keydesc *)hpckbd_keymapdata.keydesc;
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for (i = 0; desc[i].name != 0; i++) {
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if ((desc[i].name & KB_MACHDEP) && desc[i].map == NULL) {
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desc[i].map = map;
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desc[i].map_size = mapsize;
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}
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}
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return;
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}
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void
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hpckbd_keymap_lookup(struct hpckbd_core *hc)
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{
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const struct hpckbd_keymap_table *tab;
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platid_mask_t mask;
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for (tab = hpckbd_keymap_table; tab->ht_platform != NULL; tab++) {
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mask = PLATID_DEREF(tab->ht_platform);
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if (platid_match(&platid, &mask)) {
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hc->hc_keymap = tab->ht_keymap;
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hc->hc_special = tab->ht_special;
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#if !defined(PCKBD_LAYOUT)
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hpckbd_keymapdata.layout = tab->ht_layout;
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#endif
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if (tab->ht_cmdmap.map) {
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hpckbd_keymap_setup(hc, tab->ht_cmdmap.map,
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tab->ht_cmdmap.size);
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#if !defined(PCKBD_LAYOUT)
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hpckbd_keymapdata.layout |= KB_MACHDEP;
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#endif
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} else {
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hpckbd_keymapdata.layout &= ~KB_MACHDEP;
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}
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return;
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}
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}
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/* no keymap. use default. */
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hc->hc_keymap = default_keymap;
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hc->hc_special = default_special_keymap;
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#if !defined(PCKBD_LAYOUT)
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hpckbd_keymapdata.layout = KB_US;
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#endif
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}
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void
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__hpckbd_input_hook(void *arg)
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{
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#if 0
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struct hpckbd_core *hc = arg;
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if (hc->hc_polling) {
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hc->hc_type = WSCONS_EVENT_ALL_KEYS_UP;
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}
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#endif
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}
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int
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__hpckbd_input(void *arg, int flag, int scancode)
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{
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struct hpckbd_core *hc = arg;
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int type, key;
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if (flag) {
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type = WSCONS_EVENT_KEY_DOWN;
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} else {
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type = WSCONS_EVENT_KEY_UP;
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}
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if ((key = hc->hc_keymap[scancode]) == UNK) {
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#ifdef DEBUG
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printf("hpckbd: unknown scan code %#x (%d, %d)\n",
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scancode, scancode >> 3,
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scancode - ((scancode >> 3) << 3));
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#endif /* DEBUG */
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return (0);
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}
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if (key == IGN) {
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return (0);
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}
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if (key == SPL) {
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if (!flag)
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return (0);
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if (scancode == hc->hc_special[KEY_SPECIAL_OFF]) {
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#ifdef DEBUG
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printf("off button\n"); // XXX notyet -uch
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#endif
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} else if (scancode == hc->hc_special[KEY_SPECIAL_LIGHT]) {
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static int onoff; /* XXX -uch */
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config_hook_call(CONFIG_HOOK_BUTTONEVENT,
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CONFIG_HOOK_BUTTONEVENT_LIGHT,
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(void *)(onoff ^= 1));
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} else {
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#ifdef DEBUG
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printf("unknown special key %d\n", scancode);
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#endif
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}
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return (0);
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}
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if (hc->hc_polling) {
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if (hpckbd_putevent(hc, type, hc->hc_keymap[scancode]) == 0)
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printf("hpckbd: queue over flow");
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} else {
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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if (hc->hc_rawkbd) {
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int n;
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u_char data[16];
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n = pckbd_encode(type, hc->hc_keymap[scancode], data);
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wskbd_rawinput(hc->hc_wskbddev, data, n);
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} else
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#endif
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wskbd_input(hc->hc_wskbddev, type, hc->hc_keymap[scancode]);
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}
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return (0);
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}
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/*
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* console support routines
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*/
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int
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hpckbd_cnattach(struct hpckbd_ic_if *ic)
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{
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struct hpckbd_core *hc = &hpckbd_consdata;
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hpckbd_initcore(hc, ic, 1 /* console */);
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/* attach controller */
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hpckbd_initif(hc);
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/* attach wskbd */
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wskbd_cnattach(&hpckbd_consops, hc, &hpckbd_keymapdata);
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return (0);
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}
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void
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hpckbd_cngetc(void *arg, u_int *type, int *data)
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{
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struct hpckbd_core *hc = arg;
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if (!hc->hc_console || !hc->hc_polling || !hc->hc_ic)
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return;
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while (hpckbd_getevent(hc, type, data) == 0) /* busy loop */
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hpckbd_ic_poll(hc->hc_ic);
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}
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void
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hpckbd_cnpollc(void *arg, int on)
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{
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struct hpckbd_core *hc = arg;
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hc->hc_polling = on;
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}
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int
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hpckbd_enable(void *arg, int on)
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{
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struct hpckbd_core *hc = arg;
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if (on) {
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if (hc->hc_enabled)
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return (EBUSY);
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hc->hc_enabled = 1;
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} else {
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if (hc->hc_console)
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return (EBUSY);
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hc->hc_enabled = 0;
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}
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return (0);
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}
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void
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hpckbd_set_leds(void *arg, int leds)
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{
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/* Can you find any LED which tells you about keyboard? */
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}
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int
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hpckbd_ioctl(void *arg, u_long cmd, caddr_t data, int flag, struct proc *p)
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{
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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struct hpckbd_core *hc = arg;
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#endif
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switch (cmd) {
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case WSKBDIO_GTYPE:
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*(int *)data = WSKBD_TYPE_HPC_KBD;
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return (0);
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case WSKBDIO_SETLEDS:
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return 0;
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case WSKBDIO_GETLEDS:
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*(int *)data = 0; /* dummy for wsconsctl(8) */
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return (0);
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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case WSKBDIO_SETMODE:
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hc->hc_rawkbd = (*(int *)data == WSKBD_RAW);
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return (0);
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#endif
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}
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return (EPASSTHROUGH);
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}
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