811 lines
16 KiB
C
811 lines
16 KiB
C
/* $NetBSD: kbd.c,v 1.35 2001/02/02 21:52:11 is Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
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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. 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 University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* kbd.c
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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 <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/kernel.h>
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#include <sys/syslog.h>
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#include <sys/signalvar.h>
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#include <dev/cons.h>
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#include <machine/cpu.h>
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#include <amiga/amiga/device.h>
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#include <amiga/amiga/custom.h>
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#ifdef DRACO
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#include <m68k/asm_single.h>
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#include <amiga/amiga/drcustom.h>
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#endif
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#include <amiga/amiga/cia.h>
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#include <amiga/dev/itevar.h>
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#include <amiga/dev/kbdreg.h>
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#include <amiga/dev/kbdmap.h>
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#include <amiga/dev/event_var.h>
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#include <amiga/dev/vuid_event.h>
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#include "kbd.h"
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#include "ite.h"
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/* WSKBD */
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/*
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* If NWSKBD>0 we try to attach an wskbd device to us. What follows
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* is definitions of callback functions and structures that are passed
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* to wscons when initializing.
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*/
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#include "wskbd.h"
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#if NWSKBD>0
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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 <amiga/dev/wskbdmap_amiga.h>
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/* accessops */
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int kbd_enable __P((void *, int));
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void kbd_set_leds __P((void *, int));
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int kbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
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/* console ops */
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void kbd_getc __P((void *, u_int *, int *));
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void kbd_pollc __P((void *, int));
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void kbd_bell __P((void *, u_int, u_int, u_int));
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static struct wskbd_accessops kbd_accessops = {
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kbd_enable,
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kbd_set_leds,
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kbd_ioctl
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};
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static struct wskbd_consops kbd_consops = {
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kbd_getc,
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kbd_pollc,
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kbd_bell
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};
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/*
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* Pointer to keymap. It is defined in wskbdmap_amiga.c.
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*/
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static struct wskbd_mapdata kbd_mapdata = {
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amigakbd_keydesctab,
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KB_US
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};
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#endif /* WSKBD */
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#include <sys/conf.h>
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#include <machine/conf.h>
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struct kbd_softc {
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int k_event_mode; /* if true, collect events, else pass to ite */
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struct evvar k_events; /* event queue state */
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#ifdef DRACO
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u_char k_rlprfx; /* MF-II rel. prefix has been seen */
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u_char k_mf2;
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#endif
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#if NWSKBD>0
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struct device *k_wskbddev; /* pointer to wskbd for sending strokes */
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int k_pollingmode; /* polling mode on? whatever it isss... */
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#endif
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};
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struct kbd_softc kbd_softc;
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int kbdmatch __P((struct device *, struct cfdata *, void *));
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void kbdattach __P((struct device *, struct device *, void *));
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void kbdintr __P((int));
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void kbdstuffchar __P((u_char));
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int drkbdgetc __P((void));
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int drkbdrputc __P((int));
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int drkbdputc __P((int));
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int drkbdputc2 __P((int, int));
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int drkbdwaitfor __P((int));
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struct cfattach kbd_ca = {
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sizeof(struct device), kbdmatch, kbdattach
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};
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/*ARGSUSED*/
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int
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kbdmatch(pdp, cfp, auxp)
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struct device *pdp;
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struct cfdata *cfp;
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void *auxp;
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{
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if (matchname((char *)auxp, "kbd"))
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return(1);
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return(0);
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}
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/*ARGSUSED*/
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void
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kbdattach(pdp, dp, auxp)
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struct device *pdp, *dp;
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void *auxp;
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{
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#ifdef DRACO
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kbdenable();
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if (kbd_softc.k_mf2)
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printf(": QuickLogic type MF-II\n");
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else
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printf(": CIA A type Amiga\n");
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#else
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printf(": CIA A type Amiga\n");
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#endif
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#if NWSKBD>0
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if (dp != NULL) {
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/*
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* Try to attach the wskbd.
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*/
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struct wskbddev_attach_args waa;
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/* Maybe should be done before this?... */
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wskbd_cnattach(&kbd_consops, NULL, &kbd_mapdata);
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waa.console = 1;
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waa.keymap = &kbd_mapdata;
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waa.accessops = &kbd_accessops;
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waa.accesscookie = NULL;
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kbd_softc.k_wskbddev = config_found(dp, &waa, wskbddevprint);
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kbd_softc.k_pollingmode = 0;
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}
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kbdenable();
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#endif /* WSKBD */
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}
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/* definitions for amiga keyboard encoding. */
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#define KEY_CODE(c) ((c) & 0x7f)
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#define KEY_UP(c) ((c) & 0x80)
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#define DATLO single_inst_bclr_b(draco_ioct->io_control, DRCNTRL_KBDDATOUT)
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#define DATHI single_inst_bset_b(draco_ioct->io_control, DRCNTRL_KBDDATOUT)
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#define CLKLO single_inst_bclr_b(draco_ioct->io_control, DRCNTRL_KBDCLKOUT)
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#define CLKHI single_inst_bset_b(draco_ioct->io_control, DRCNTRL_KBDCLKOUT)
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void
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kbdenable()
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{
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static int kbd_inited = 0;
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int s;
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#ifdef DRACO
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int id;
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#endif
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/*
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* collides with external ints from SCSI, watch out for this when
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* enabling/disabling interrupts there !!
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*/
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s = splhigh(); /* don't lower; might be called from early ddb */
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if (kbd_inited) {
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splx(s);
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return;
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}
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kbd_inited = 1;
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#ifdef DRACO
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if (is_draco()) {
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CLKLO;
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delay(5000);
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draco_ioct->io_kbdrst = 0;
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if (drkbdputc(0xf2))
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goto LnoMFII;
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id = drkbdgetc() << 8;
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id |= drkbdgetc();
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if (id != 0xab83)
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goto LnoMFII;
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if (drkbdputc2(0xf0, 3)) /* mode 3 */
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goto LnoMFII;
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if (drkbdputc(0xf8)) /* make/break, no typematic */
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goto LnoMFII;
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if (drkbdputc(0xf4)) /* enable */
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goto LnoMFII;
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kbd_softc.k_mf2 = 1;
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single_inst_bclr_b(draco_ioct->io_control, DRCNTRL_KBDINTENA);
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ciaa.icr = CIA_ICR_SP; /* CIA SP interrupt disable */
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ciaa.cra &= ~(1<<6); /* serial line == input */
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splx(s);
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return;
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LnoMFII:
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kbd_softc.k_mf2 = 0;
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single_inst_bset_b(*draco_intena, DRIRQ_INT2);
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ciaa.icr = CIA_ICR_IR_SC | CIA_ICR_SP;
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/* SP interrupt enable */
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ciaa.cra &= ~(1<<6); /* serial line == input */
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splx(s);
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return;
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} else {
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#endif
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custom.intena = INTF_SETCLR | INTF_PORTS;
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ciaa.icr = CIA_ICR_IR_SC | CIA_ICR_SP; /* SP interrupt enable */
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ciaa.cra &= ~(1<<6); /* serial line == input */
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#ifdef DRACO
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}
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#endif
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kbd_softc.k_event_mode = 0;
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kbd_softc.k_events.ev_io = 0;
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splx(s);
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}
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#ifdef DRACO
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/*
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* call this with kbd interupt blocked
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*/
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int
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drkbdgetc()
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{
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u_int8_t in;
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while ((draco_ioct->io_status & DRSTAT_KBDRECV) == 0);
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in = draco_ioct->io_kbddata;
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draco_ioct->io_kbdrst = 0;
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return in;
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}
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#define WAIT0 if (drkbdwaitfor(0)) goto Ltimeout
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#define WAIT1 if (drkbdwaitfor(DRSTAT_KBDCLKIN)) goto Ltimeout
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int
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drkbdwaitfor(bit)
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int bit;
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{
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int i;
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i = 60000; /* about 50 ms max */
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do {
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if ((draco_ioct->io_status & DRSTAT_KBDCLKIN) == bit)
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return 0;
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} while (--i >= 0);
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return 1;
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}
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/*
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* Output a raw byte to the keyboard (+ parity and stop bit).
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* return 0 on success, 1 on timeout.
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*/
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int
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drkbdrputc(c)
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u_int8_t c;
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{
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u_int8_t parity;
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int bitcnt;
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DATLO; CLKHI; WAIT1;
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parity = 0;
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for (bitcnt=7; bitcnt >= 0; bitcnt--) {
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WAIT0;
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if (c & 1) {
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DATHI;
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} else {
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++parity;
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DATLO;
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}
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c >>= 1;
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WAIT1;
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}
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WAIT0;
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/* parity bit */
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if (parity & 1) {
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DATLO;
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} else {
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DATHI;
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}
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WAIT1;
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/* stop bit */
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WAIT0; DATHI; WAIT1;
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WAIT0; /* XXX should check the ack bit here... */
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WAIT1;
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draco_ioct->io_kbdrst = 0;
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return 0;
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Ltimeout:
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DATHI;
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draco_ioct->io_kbdrst = 0;
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return 1;
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}
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/*
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* Output one cooked byte to the keyboard, with wait for ACK or RESEND,
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* and retry if necessary. 0 == success, 1 == timeout
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*/
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int
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drkbdputc(c)
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u_int8_t c;
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{
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int rc;
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do {
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if (drkbdrputc(c))
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return(-1);
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rc = drkbdgetc();
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} while (rc == 0xfe);
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return (!(rc == 0xfa));
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}
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/*
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* same for twobyte sequence
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*/
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int
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drkbdputc2(c1, c2)
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u_int8_t c1, c2;
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{
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int rc;
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do {
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do {
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if (drkbdrputc(c1))
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return(-1);
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rc = drkbdgetc();
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} while (rc == 0xfe);
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if (rc != 0xfa)
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return (-1);
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if (drkbdrputc(c2))
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return(-1);
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rc = drkbdgetc();
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} while (rc == 0xfe);
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return (!(rc == 0xfa));
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}
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#endif
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int
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kbdopen(dev, flags, mode, p)
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dev_t dev;
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int flags, mode;
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struct proc *p;
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{
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kbdenable();
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if (kbd_softc.k_events.ev_io)
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return EBUSY;
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kbd_softc.k_events.ev_io = p;
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ev_init(&kbd_softc.k_events);
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return (0);
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}
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int
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kbdclose(dev, flags, mode, p)
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dev_t dev;
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int flags, mode;
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struct proc *p;
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{
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/* Turn off event mode, dump the queue */
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kbd_softc.k_event_mode = 0;
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ev_fini(&kbd_softc.k_events);
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kbd_softc.k_events.ev_io = NULL;
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return (0);
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}
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int
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kbdread(dev, uio, flags)
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dev_t dev;
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struct uio *uio;
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int flags;
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{
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return ev_read (&kbd_softc.k_events, uio, flags);
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}
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int
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kbdioctl(dev, cmd, data, flag, p)
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dev_t dev;
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u_long cmd;
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register caddr_t data;
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int flag;
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struct proc *p;
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{
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register struct kbd_softc *k = &kbd_softc;
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switch (cmd) {
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case KIOCTRANS:
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if (*(int *)data == TR_UNTRANS_EVENT)
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return 0;
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break;
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case KIOCGTRANS:
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/* Get translation mode */
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*(int *)data = TR_UNTRANS_EVENT;
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return 0;
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case KIOCSDIRECT:
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k->k_event_mode = *(int *)data;
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return 0;
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case FIONBIO: /* we will remove this someday (soon???) */
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return 0;
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case FIOASYNC:
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k->k_events.ev_async = *(int *)data != 0;
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return 0;
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case TIOCSPGRP:
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if (*(int *)data != k->k_events.ev_io->p_pgid)
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return EPERM;
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return 0;
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default:
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return ENOTTY;
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}
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/* We identified the ioctl, but we do not handle it. */
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return EOPNOTSUPP; /* misuse, but what the heck */
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}
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int
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kbdpoll(dev, events, p)
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dev_t dev;
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int events;
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struct proc *p;
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{
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return ev_poll (&kbd_softc.k_events, events, p);
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}
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void
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kbdintr(mask)
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int mask;
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{
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u_char c;
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#ifdef KBDRESET
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static int reset_warn;
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#endif
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/*
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* now only invoked from generic CIA interrupt handler if there *is*
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* a keyboard interrupt pending
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*/
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c = ~ciaa.sdr; /* keyboard data is inverted */
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/* ack */
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ciaa.cra |= (1 << 6); /* serial line output */
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#ifdef KBDRESET
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if (reset_warn && c == 0xf0) {
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#ifdef DEBUG
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printf ("kbdintr: !!!! Reset Warning !!!!\n");
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#endif
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bootsync();
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reset_warn = 0;
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DELAY(30000000);
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}
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#endif
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/* wait 200 microseconds (for bloody Cherry keyboards..) */
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DELAY(2000); /* fudge delay a bit for some keyboards */
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ciaa.cra &= ~(1 << 6);
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/* process the character */
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c = (c >> 1) | (c << 7); /* rotate right once */
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#ifdef KBDRESET
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if (c == 0x78) {
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#ifdef DEBUG
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printf ("kbdintr: Reset Warning started\n");
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#endif
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++reset_warn;
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return;
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}
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#endif
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kbdstuffchar(c);
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}
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#ifdef DRACO
|
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/* maps MF-II keycodes to Amiga keycodes */
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|
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const u_char drkbdtab[] = {
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x50,
|
|
0x45, 0xff, 0xff, 0xff, 0xff, 0x42, 0x00, 0x51,
|
|
|
|
0xff, 0x64, 0x60, 0x30, 0x63, 0x10, 0x01, 0x52,
|
|
0xff, 0x66, 0x31, 0x21, 0x20, 0x11, 0x02, 0x53,
|
|
|
|
0xff, 0x33, 0x32, 0x22, 0x12, 0x04, 0x03, 0x54,
|
|
0xff, 0x40, 0x34, 0x23, 0x14, 0x13, 0x05, 0x55,
|
|
|
|
0xff, 0x36, 0x35, 0x25, 0x24, 0x15, 0x06, 0x56,
|
|
0xff, 0x67, 0x37, 0x26, 0x16, 0x07, 0x08, 0x57,
|
|
/* --- */
|
|
0xff, 0x38, 0x27, 0x17, 0x18, 0x0a, 0x09, 0x58,
|
|
0xff, 0x39, 0x3a, 0x28, 0x29, 0x19, 0x0b, 0x59,
|
|
|
|
0xff, 0xff, 0x2a, 0x2b, 0x1a, 0x0c, 0x4b, 0xff,
|
|
0x65, 0x61, 0x44, 0x1b, 0xff, 0xff, 0x6f, 0xff,
|
|
|
|
0x4d, 0x4f, 0xff, 0x4c, 0x0d, 0xff, 0x41, 0x46,
|
|
0xff, 0x1d, 0x4e, 0x2d, 0x3d, 0x4a, 0x5f, 0x62,
|
|
|
|
0x0f, 0x3c, 0x1e, 0x2e, 0x2f, 0x3e, 0x5a, 0x5b,
|
|
0xff, 0x43, 0x1f, 0xff, 0x5e, 0x3f, 0x5c, 0xff,
|
|
/* --- */
|
|
0xff, 0xff, 0xff, 0xff, 0x5d
|
|
};
|
|
#endif
|
|
|
|
|
|
int
|
|
kbdgetcn ()
|
|
{
|
|
int s;
|
|
u_char ints, mask, c, in;
|
|
|
|
#ifdef DRACO
|
|
if (is_draco() && kbd_softc.k_mf2) {
|
|
do {
|
|
c = 0;
|
|
s = spltty ();
|
|
while ((draco_ioct->io_status & DRSTAT_KBDRECV) == 0);
|
|
in = draco_ioct->io_kbddata;
|
|
draco_ioct->io_kbdrst = 0;
|
|
if (in == 0xF0) { /* release prefix */
|
|
c = 0x80;
|
|
while ((draco_ioct->io_status &
|
|
DRSTAT_KBDRECV) == 0);
|
|
in = draco_ioct->io_kbddata;
|
|
draco_ioct->io_kbdrst = 0;
|
|
}
|
|
splx(s);
|
|
#ifdef DRACORAWKEYDEBUG
|
|
printf("<%02x>", in);
|
|
#endif
|
|
c |= in>=sizeof(drkbdtab) ? 0xff : drkbdtab[in];
|
|
} while (c == 0xff);
|
|
return (c);
|
|
}
|
|
#endif
|
|
s = spltty();
|
|
for (ints = 0; ! ((mask = ciaa.icr) & CIA_ICR_SP);
|
|
ints |= mask) ;
|
|
|
|
in = ciaa.sdr;
|
|
c = ~in;
|
|
|
|
/* ack */
|
|
ciaa.cra |= (1 << 6); /* serial line output */
|
|
ciaa.sdr = 0xff; /* ack */
|
|
/* wait 200 microseconds */
|
|
DELAY(2000); /* XXXX only works as long as DELAY doesn't
|
|
* use a timer and waits.. */
|
|
ciaa.cra &= ~(1 << 6);
|
|
ciaa.sdr = in;
|
|
|
|
splx (s);
|
|
c = (c >> 1) | (c << 7);
|
|
|
|
/* take care that no CIA-interrupts are lost */
|
|
if (ints)
|
|
dispatch_cia_ints (0, ints);
|
|
|
|
return c;
|
|
}
|
|
|
|
void
|
|
kbdstuffchar(c)
|
|
u_char c;
|
|
{
|
|
struct firm_event *fe;
|
|
struct kbd_softc *k = &kbd_softc;
|
|
int put;
|
|
|
|
#if NWSKBD>0
|
|
/*
|
|
* If we have attached a wskbd and not in polling mode and
|
|
* nobody has opened us directly, then send the keystroke
|
|
* to the wskbd.
|
|
*/
|
|
|
|
if (kbd_softc.k_pollingmode == 0
|
|
&& kbd_softc.k_wskbddev != NULL
|
|
&& k->k_event_mode == 0) {
|
|
wskbd_input(kbd_softc.k_wskbddev,
|
|
KEY_UP(c) ?
|
|
WSCONS_EVENT_KEY_UP :
|
|
WSCONS_EVENT_KEY_DOWN,
|
|
KEY_CODE(c));
|
|
return;
|
|
}
|
|
|
|
#endif /* NWSKBD */
|
|
|
|
/*
|
|
* If not in event mode, deliver straight to ite to process
|
|
* key stroke
|
|
*/
|
|
|
|
if (! k->k_event_mode) {
|
|
#if NITE>0
|
|
ite_filter (c, ITEFILT_TTY);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Keyboard is generating events. Turn this keystroke into an
|
|
* event and put it in the queue. If the queue is full, the
|
|
* keystroke is lost (sorry!).
|
|
*/
|
|
|
|
put = k->k_events.ev_put;
|
|
fe = &k->k_events.ev_q[put];
|
|
put = (put + 1) % EV_QSIZE;
|
|
if (put == k->k_events.ev_get) {
|
|
log(LOG_WARNING, "keyboard event queue overflow\n");
|
|
/* ??? */
|
|
return;
|
|
}
|
|
fe->id = KEY_CODE(c);
|
|
fe->value = KEY_UP(c) ? VKEY_UP : VKEY_DOWN;
|
|
fe->time = time;
|
|
k->k_events.ev_put = put;
|
|
EV_WAKEUP(&k->k_events);
|
|
}
|
|
|
|
|
|
#ifdef DRACO
|
|
void
|
|
drkbdintr()
|
|
{
|
|
u_char in;
|
|
struct kbd_softc *k = &kbd_softc;
|
|
|
|
in = draco_ioct->io_kbddata;
|
|
draco_ioct->io_kbdrst = 0;
|
|
|
|
if (in == 0xF0)
|
|
k->k_rlprfx = 0x80;
|
|
else {
|
|
kbdstuffchar(in>=sizeof(drkbdtab) ? 0xff :
|
|
drkbdtab[in] | k->k_rlprfx);
|
|
k->k_rlprfx = 0;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
#if NWSKBD>0
|
|
/*
|
|
* These are the callback functions that are passed to wscons.
|
|
* They really don't do anything worth noting, just call the
|
|
* other functions above.
|
|
*/
|
|
|
|
int
|
|
kbd_enable(c, on)
|
|
void *c;
|
|
int on;
|
|
{
|
|
/* Wonder what this is supposed to do... */
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
kbd_set_leds(c, leds)
|
|
void *c;
|
|
int leds;
|
|
{
|
|
}
|
|
|
|
int
|
|
kbd_ioctl(c, cmd, data, flag, p)
|
|
void *c;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
switch (cmd)
|
|
{
|
|
case WSKBDIO_COMPLEXBELL:
|
|
return 0;
|
|
case WSKBDIO_SETLEDS:
|
|
return 0;
|
|
case WSKBDIO_GETLEDS:
|
|
*(int*)data = 0;
|
|
return 0;
|
|
case WSKBDIO_GTYPE:
|
|
/* XXX well is it, dont think so */
|
|
*(u_int*)data = WSKBD_TYPE_PC_AT;
|
|
return 0;
|
|
}
|
|
|
|
/* We are supposed to return -1 to wscons if we didnt understand */
|
|
return (-1);
|
|
}
|
|
|
|
void
|
|
kbd_getc(c, type, data)
|
|
void *c;
|
|
u_int *type;
|
|
int *data;
|
|
{
|
|
int key;
|
|
|
|
key = kbdgetcn();
|
|
|
|
*data = KEY_CODE(key);
|
|
*type = KEY_UP(key) ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
|
|
}
|
|
|
|
void
|
|
kbd_pollc(c, on)
|
|
void *c;
|
|
int on;
|
|
{
|
|
kbd_softc.k_pollingmode = on;
|
|
}
|
|
|
|
void
|
|
kbd_bell(c, x, y, z)
|
|
void *c;
|
|
u_int x;
|
|
u_int y;
|
|
u_int z;
|
|
{
|
|
}
|
|
#endif /* WSKBD */
|