1999-01-09 02:44:50 +00:00
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/*-
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* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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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 as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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1999-01-13 11:19:19 +00:00
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* $Id: atkbd.c,v 1.1 1999/01/09 02:44:49 yokota Exp $
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1999-01-09 02:44:50 +00:00
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*/
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#include "atkbd.h"
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#include "opt_kbd.h"
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#include "opt_devfs.h"
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#if NATKBD > 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/proc.h>
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#include <sys/tty.h>
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#include <sys/fcntl.h>
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#include <sys/malloc.h>
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#include <dev/kbd/kbdreg.h>
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#include <dev/kbd/atkbdreg.h>
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#include <dev/kbd/atkbdcreg.h>
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#ifndef __i386__
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#define ATKBD_SOFTC(unit) \
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((atkbd_softc_t *)devclass_get_softc(atkbd_devclass, unit))
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#else /* __i386__ */
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#include <i386/isa/isa.h>
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#include <i386/isa/isa_device.h>
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extern struct isa_driver atkbddriver; /* XXX: a kludge; see below */
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static atkbd_softc_t *atkbd_softc[NATKBD];
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#define ATKBD_SOFTC(unit) atkbd_softc[(unit)]
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#endif /* __i386__ */
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static timeout_t atkbd_timeout;
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#ifdef KBD_INSTALL_CDEV
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static d_open_t atkbdopen;
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static d_close_t atkbdclose;
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static d_read_t atkbdread;
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static d_ioctl_t atkbdioctl;
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static d_poll_t atkbdpoll;
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static struct cdevsw atkbd_cdevsw = {
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atkbdopen, atkbdclose, atkbdread, nowrite,
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atkbdioctl, nostop, nullreset, nodevtotty,
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atkbdpoll, nommap, NULL, ATKBD_DRIVER_NAME,
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NULL, -1,
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};
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#endif /* KBD_INSTALL_CDEV */
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#ifdef __i386__
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atkbd_softc_t
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*atkbd_get_softc(int unit)
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{
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atkbd_softc_t *sc;
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if (unit >= sizeof(atkbd_softc)/sizeof(atkbd_softc[0]))
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return NULL;
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sc = atkbd_softc[unit];
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if (sc == NULL) {
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sc = atkbd_softc[unit]
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= malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT);
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if (sc == NULL)
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return NULL;
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bzero(sc, sizeof(*sc));
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}
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return sc;
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}
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#endif /* __i386__ */
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int
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atkbd_probe_unit(int unit, atkbd_softc_t *sc, int port, int irq, int flags)
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{
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keyboard_switch_t *sw;
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int args[2];
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if (sc->flags & ATKBD_ATTACHED)
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return 0;
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sw = kbd_get_switch(ATKBD_DRIVER_NAME);
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if (sw == NULL)
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return ENXIO;
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args[0] = port;
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args[1] = irq;
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return (*sw->probe)(unit, &sc->kbd, args, flags);
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}
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int
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atkbd_attach_unit(int unit, atkbd_softc_t *sc)
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{
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keyboard_switch_t *sw;
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int error;
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if (sc->flags & ATKBD_ATTACHED)
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return 0;
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sw = kbd_get_switch(ATKBD_DRIVER_NAME);
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if (sw == NULL)
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return ENXIO;
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/* reset, initialize and enable the device */
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error = (*sw->init)(sc->kbd);
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if (error)
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return ENXIO;
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(*sw->enable)(sc->kbd);
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#ifdef KBD_INSTALL_CDEV
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/* attach a virtual keyboard cdev */
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error = kbd_attach(makedev(0, ATKBD_MKMINOR(unit)), sc->kbd,
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&atkbd_cdevsw);
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if (error)
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return error;
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#endif
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/*
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* This is a kludge to compensate for lost keyboard interrupts.
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* A similar code used to be in syscons. See below. XXX
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*/
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atkbd_timeout(sc->kbd);
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if (bootverbose)
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(*sw->diag)(sc->kbd, bootverbose);
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sc->flags |= ATKBD_ATTACHED;
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return 0;
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}
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static void
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atkbd_timeout(void *arg)
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{
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keyboard_t *kbd;
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int s;
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/* The following comments are extracted from syscons.c (1.287) */
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/*
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* With release 2.1 of the Xaccel server, the keyboard is left
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* hanging pretty often. Apparently an interrupt from the
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* keyboard is lost, and I don't know why (yet).
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* This ugly hack calls scintr if input is ready for the keyboard
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* and conveniently hides the problem. XXX
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*/
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/*
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* Try removing anything stuck in the keyboard controller; whether
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* it's a keyboard scan code or mouse data. `scintr()' doesn't
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* read the mouse data directly, but `kbdio' routines will, as a
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* side effect.
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*/
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s = spltty();
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kbd = (keyboard_t *)arg;
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if ((*kbdsw[kbd->kb_index]->lock)(kbd, TRUE)) {
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/*
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* We have seen the lock flag is not set. Let's reset
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* the flag early, otherwise the LED update routine fails
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* which may want the lock during the interrupt routine.
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*/
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(*kbdsw[kbd->kb_index]->lock)(kbd, FALSE);
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if ((*kbdsw[kbd->kb_index]->check_char)(kbd))
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(*kbdsw[kbd->kb_index]->intr)(kbd, NULL);
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}
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splx(s);
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timeout(atkbd_timeout, arg, hz/10);
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}
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/* cdev driver functions */
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#ifdef KBD_INSTALL_CDEV
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static int
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atkbdopen(dev_t dev, int flag, int mode, struct proc *p)
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{
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atkbd_softc_t *sc;
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int unit;
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unit = ATKBD_UNIT(dev);
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if ((unit >= NATKBD) || ((sc = ATKBD_SOFTC(unit)) == NULL))
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return ENXIO;
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if (mode & (FWRITE | O_CREAT | O_APPEND | O_TRUNC))
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return ENODEV;
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/* FIXME: set the initial input mode (K_XLATE?) and lock state? */
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return genkbdopen(&sc->gensc, sc->kbd, flag, mode, p);
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}
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static int
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atkbdclose(dev_t dev, int flag, int mode, struct proc *p)
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{
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atkbd_softc_t *sc;
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sc = ATKBD_SOFTC(ATKBD_UNIT(dev));
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return genkbdclose(&sc->gensc, sc->kbd, flag, mode, p);
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}
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static int
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atkbdread(dev_t dev, struct uio *uio, int flag)
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{
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atkbd_softc_t *sc;
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sc = ATKBD_SOFTC(ATKBD_UNIT(dev));
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return genkbdread(&sc->gensc, sc->kbd, uio, flag);
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}
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static int
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atkbdioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct proc *p)
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{
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atkbd_softc_t *sc;
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sc = ATKBD_SOFTC(ATKBD_UNIT(dev));
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return genkbdioctl(&sc->gensc, sc->kbd, cmd, arg, flag, p);
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}
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static int
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atkbdpoll(dev_t dev, int event, struct proc *p)
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{
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atkbd_softc_t *sc;
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sc = ATKBD_SOFTC(ATKBD_UNIT(dev));
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return genkbdpoll(&sc->gensc, sc->kbd, event, p);
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}
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#endif /* KBD_INSTALL_CDEV */
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/* LOW-LEVEL */
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#include <machine/limits.h>
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#include <machine/console.h>
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#include <machine/clock.h>
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#define ATKBD_DEFAULT 0
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typedef struct atkbd_state {
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KBDC kbdc; /* keyboard controller */
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/* XXX: don't move this field; pcvt
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* expects `kbdc' to be the first
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* field in this structure. */
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int ks_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
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int ks_flags; /* flags */
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#define COMPOSE (1 << 0)
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int ks_state; /* shift/lock key state */
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int ks_accents; /* accent key index (> 0) */
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u_int ks_composed_char; /* composed char code (> 0) */
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u_char ks_prefix; /* AT scan code prefix */
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} atkbd_state_t;
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/* keyboard driver declaration */
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static int atkbd_configure(int flags);
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static kbd_probe_t atkbd_probe;
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static kbd_init_t atkbd_init;
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static kbd_term_t atkbd_term;
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static kbd_intr_t atkbd_intr;
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static kbd_test_if_t atkbd_test_if;
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static kbd_enable_t atkbd_enable;
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static kbd_disable_t atkbd_disable;
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static kbd_read_t atkbd_read;
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static kbd_check_t atkbd_check;
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static kbd_read_char_t atkbd_read_char;
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static kbd_check_char_t atkbd_check_char;
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static kbd_ioctl_t atkbd_ioctl;
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static kbd_lock_t atkbd_lock;
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static kbd_clear_state_t atkbd_clear_state;
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static kbd_get_state_t atkbd_get_state;
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static kbd_set_state_t atkbd_set_state;
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keyboard_switch_t atkbdsw = {
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atkbd_probe,
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atkbd_init,
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atkbd_term,
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atkbd_intr,
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atkbd_test_if,
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atkbd_enable,
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atkbd_disable,
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atkbd_read,
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atkbd_check,
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atkbd_read_char,
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atkbd_check_char,
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atkbd_ioctl,
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atkbd_lock,
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atkbd_clear_state,
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atkbd_get_state,
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atkbd_set_state,
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genkbd_get_fkeystr,
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genkbd_diag,
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};
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KEYBOARD_DRIVER(atkbd, atkbdsw, atkbd_configure);
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/* local functions */
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static int setup_kbd_port(KBDC kbdc, int port, int intr);
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static int get_kbd_echo(KBDC kbdc);
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static int probe_keyboard(KBDC kbdc, int flags);
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static int init_keyboard(KBDC kbdc, int *type, int flags);
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static int write_kbd(KBDC kbdc, int command, int data);
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static int get_kbd_id(KBDC kbdc);
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/* local variables */
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/* the initial key map, accent map and fkey strings */
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#include <i386/isa/kbdtables.h>
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/* structures for the default keyboard */
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static keyboard_t default_kbd;
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static atkbd_state_t default_kbd_state;
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static keymap_t default_keymap;
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static accentmap_t default_accentmap;
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static fkeytab_t default_fkeytab[NUM_FKEYS];
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/*
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* The back door to the keyboard driver!
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* This function is called by the console driver, via the kbdio module,
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* to tickle keyboard drivers when the low-level console is being initialized.
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* Almost nothing in the kernel has been initialied yet. Try to probe
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* keyboards if possible.
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* NOTE: because of the way the low-level conole is initialized, this routine
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* may be called more than once!!
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*/
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static int
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atkbd_configure(int flags)
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{
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keyboard_t *kbd;
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KBDC kbdc;
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int arg[2];
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#ifdef __i386__
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struct isa_device *dev;
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/* XXX: a kludge to obtain the device configuration flags */
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dev = find_isadev(isa_devtab_tty, &atkbddriver, 0);
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if (dev != NULL)
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flags |= dev->id_flags;
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#endif
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|
|
|
|
|
|
|
/* probe the keyboard controller */
|
|
|
|
atkbdc_configure();
|
|
|
|
|
|
|
|
/* probe the default keyboard */
|
|
|
|
arg[0] = -1;
|
|
|
|
arg[1] = -1;
|
|
|
|
if (atkbd_probe(ATKBD_DEFAULT, &kbd, arg, flags))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* initialize it */
|
|
|
|
kbdc = ((atkbd_state_t *)kbd->kb_data)->kbdc;
|
1999-01-13 11:19:19 +00:00
|
|
|
if (!(flags & KB_CONF_PROBE_ONLY) && !KBD_IS_INITIALIZED(kbd)) {
|
1999-01-09 02:44:50 +00:00
|
|
|
if (KBD_HAS_DEVICE(kbd)
|
|
|
|
&& init_keyboard(kbdc, &kbd->kb_type, flags)
|
|
|
|
&& (flags & KB_CONF_FAIL_IF_NO_KBD))
|
|
|
|
return 0;
|
|
|
|
KBD_INIT_DONE(kbd);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* and register */
|
|
|
|
if (!KBD_IS_CONFIGURED(kbd)) {
|
|
|
|
if (kbd_register(kbd) < 0)
|
|
|
|
return 0;
|
|
|
|
KBD_CONFIG_DONE(kbd);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1; /* return the number of found keyboards */
|
|
|
|
}
|
|
|
|
|
|
|
|
/* low-level functions */
|
|
|
|
|
|
|
|
/* initialize the keyboard_t structure and try to detect a keyboard */
|
|
|
|
static int
|
|
|
|
atkbd_probe(int unit, keyboard_t **kbdp, void *arg, int flags)
|
|
|
|
{
|
|
|
|
keyboard_t *kbd;
|
|
|
|
atkbd_state_t *state;
|
|
|
|
keymap_t *keymap;
|
|
|
|
accentmap_t *accmap;
|
|
|
|
fkeytab_t *fkeymap;
|
|
|
|
int fkeymap_size;
|
|
|
|
KBDC kbdc;
|
|
|
|
int *data = (int *)arg;
|
|
|
|
|
|
|
|
/* XXX */
|
|
|
|
if (unit == ATKBD_DEFAULT) {
|
|
|
|
*kbdp = kbd = &default_kbd;
|
|
|
|
if (KBD_IS_PROBED(kbd))
|
|
|
|
return 0;
|
|
|
|
state = &default_kbd_state;
|
|
|
|
keymap = &default_keymap;
|
|
|
|
accmap = &default_accentmap;
|
|
|
|
fkeymap = default_fkeytab;
|
|
|
|
fkeymap_size =
|
|
|
|
sizeof(default_fkeytab)/sizeof(default_fkeytab[0]);
|
|
|
|
} else if (*kbdp == NULL) {
|
|
|
|
*kbdp = kbd = malloc(sizeof(*kbd), M_DEVBUF, M_NOWAIT);
|
|
|
|
if (kbd == NULL)
|
|
|
|
return ENOMEM;
|
|
|
|
bzero(kbd, sizeof(*kbd));
|
|
|
|
state = malloc(sizeof(*state), M_DEVBUF, M_NOWAIT);
|
|
|
|
keymap = malloc(sizeof(key_map), M_DEVBUF, M_NOWAIT);
|
|
|
|
accmap = malloc(sizeof(accent_map), M_DEVBUF, M_NOWAIT);
|
|
|
|
fkeymap = malloc(sizeof(fkey_tab), M_DEVBUF, M_NOWAIT);
|
|
|
|
fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
|
|
|
|
if ((state == NULL) || (keymap == NULL) || (accmap == NULL)
|
|
|
|
|| (fkeymap == NULL)) {
|
|
|
|
if (state != NULL)
|
|
|
|
free(state, M_DEVBUF);
|
|
|
|
if (keymap != NULL)
|
|
|
|
free(keymap, M_DEVBUF);
|
|
|
|
if (accmap != NULL)
|
|
|
|
free(accmap, M_DEVBUF);
|
|
|
|
if (fkeymap != NULL)
|
|
|
|
free(fkeymap, M_DEVBUF);
|
|
|
|
free(kbd, M_DEVBUF);
|
|
|
|
return ENOMEM;
|
|
|
|
}
|
|
|
|
bzero(state, sizeof(*state));
|
|
|
|
} else if (KBD_IS_PROBED(*kbdp)) {
|
|
|
|
return 0;
|
|
|
|
} else {
|
|
|
|
kbd = *kbdp;
|
|
|
|
state = (atkbd_state_t *)kbd->kb_data;
|
|
|
|
bzero(state, sizeof(*state));
|
|
|
|
keymap = kbd->kb_keymap;
|
|
|
|
accmap = kbd->kb_accentmap;
|
|
|
|
fkeymap = kbd->kb_fkeytab;
|
|
|
|
fkeymap_size = kbd->kb_fkeytab_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
state->kbdc = kbdc = kbdc_open(data[0]);
|
|
|
|
if (kbdc == NULL)
|
|
|
|
return ENXIO;
|
|
|
|
kbd_init_struct(kbd, ATKBD_DRIVER_NAME, KB_OTHER, unit, flags, data[0],
|
|
|
|
IO_KBDSIZE);
|
|
|
|
bcopy(&key_map, keymap, sizeof(key_map));
|
|
|
|
bcopy(&accent_map, accmap, sizeof(accent_map));
|
|
|
|
bcopy(fkey_tab, fkeymap,
|
|
|
|
imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
|
|
|
|
kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
|
|
|
|
kbd->kb_data = (void *)state;
|
|
|
|
|
|
|
|
if (probe_keyboard(kbdc, flags)) {
|
|
|
|
if (flags & KB_CONF_FAIL_IF_NO_KBD)
|
|
|
|
return ENXIO;
|
|
|
|
} else {
|
|
|
|
KBD_FOUND_DEVICE(kbd);
|
|
|
|
}
|
|
|
|
atkbd_clear_state(kbd);
|
|
|
|
state->ks_mode = K_XLATE;
|
|
|
|
/*
|
|
|
|
* FIXME: set the initial value for lock keys in ks_state
|
|
|
|
* according to the BIOS data?
|
|
|
|
*/
|
|
|
|
|
|
|
|
KBD_PROBE_DONE(kbd);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* reset and initialize the device */
|
|
|
|
static int
|
|
|
|
atkbd_init(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
KBDC kbdc;
|
|
|
|
|
|
|
|
if ((kbd == NULL) || !KBD_IS_PROBED(kbd))
|
|
|
|
return ENXIO; /* shouldn't happen */
|
|
|
|
kbdc = ((atkbd_state_t *)kbd->kb_data)->kbdc;
|
|
|
|
if (kbdc == NULL)
|
|
|
|
return ENXIO; /* shouldn't happen */
|
|
|
|
|
|
|
|
if (!KBD_IS_INITIALIZED(kbd)) {
|
|
|
|
if (KBD_HAS_DEVICE(kbd)
|
|
|
|
&& init_keyboard(kbdc, &kbd->kb_type, kbd->kb_config)
|
|
|
|
&& (kbd->kb_config & KB_CONF_FAIL_IF_NO_KBD))
|
|
|
|
return ENXIO;
|
|
|
|
atkbd_ioctl(kbd, KDSETLED,
|
|
|
|
(caddr_t)&((atkbd_state_t *)(kbd->kb_data))->ks_state);
|
|
|
|
KBD_INIT_DONE(kbd);
|
|
|
|
}
|
|
|
|
if (!KBD_IS_CONFIGURED(kbd)) {
|
|
|
|
if (kbd_register(kbd) < 0)
|
|
|
|
return ENXIO;
|
|
|
|
KBD_CONFIG_DONE(kbd);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* finish using this keyboard */
|
|
|
|
static int
|
|
|
|
atkbd_term(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
kbd_unregister(kbd);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* keyboard interrupt routine */
|
|
|
|
static int
|
|
|
|
atkbd_intr(keyboard_t *kbd, void *arg)
|
|
|
|
{
|
|
|
|
atkbd_state_t *state;
|
|
|
|
int c;
|
|
|
|
|
|
|
|
if (KBD_IS_ACTIVE(kbd) && KBD_IS_BUSY(kbd)) {
|
|
|
|
/* let the callback function to process the input */
|
|
|
|
(*kbd->kb_callback.kc_func)(kbd, KBDIO_KEYINPUT,
|
|
|
|
kbd->kb_callback.kc_arg);
|
|
|
|
} else {
|
|
|
|
/* read and discard the input; no one is waiting for input */
|
|
|
|
do {
|
|
|
|
c = atkbd_read_char(kbd, FALSE);
|
|
|
|
} while (c != NOKEY);
|
|
|
|
|
|
|
|
if (!KBD_HAS_DEVICE(kbd)) {
|
|
|
|
/*
|
|
|
|
* The keyboard was not detected before;
|
|
|
|
* it must have been reconnected!
|
|
|
|
*/
|
|
|
|
state = (atkbd_state_t *)kbd->kb_data;
|
|
|
|
init_keyboard(state->kbdc, &kbd->kb_type,
|
|
|
|
kbd->kb_config);
|
|
|
|
atkbd_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state);
|
|
|
|
KBD_FOUND_DEVICE(kbd);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* test the interface to the device */
|
|
|
|
static int
|
|
|
|
atkbd_test_if(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
int error;
|
|
|
|
int s;
|
|
|
|
|
|
|
|
error = 0;
|
|
|
|
empty_both_buffers(((atkbd_state_t *)kbd->kb_data)->kbdc, 10);
|
|
|
|
s = spltty();
|
|
|
|
if (!test_controller(((atkbd_state_t *)kbd->kb_data)->kbdc))
|
|
|
|
error = EIO;
|
|
|
|
else if (test_kbd_port(((atkbd_state_t *)kbd->kb_data)->kbdc) != 0)
|
|
|
|
error = EIO;
|
|
|
|
splx(s);
|
|
|
|
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Enable the access to the device; until this function is called,
|
|
|
|
* the client cannot read from the keyboard.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
atkbd_enable(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
int s;
|
|
|
|
|
|
|
|
s = spltty();
|
|
|
|
KBD_ACTIVATE(kbd);
|
|
|
|
splx(s);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* disallow the access to the device */
|
|
|
|
static int
|
|
|
|
atkbd_disable(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
int s;
|
|
|
|
|
|
|
|
s = spltty();
|
|
|
|
KBD_DEACTIVATE(kbd);
|
|
|
|
splx(s);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* read one byte from the keyboard if it's allowed */
|
|
|
|
static int
|
|
|
|
atkbd_read(keyboard_t *kbd, int wait)
|
|
|
|
{
|
|
|
|
int c;
|
|
|
|
|
|
|
|
if (wait)
|
|
|
|
c = read_kbd_data(((atkbd_state_t *)kbd->kb_data)->kbdc);
|
|
|
|
else
|
|
|
|
c = read_kbd_data_no_wait(((atkbd_state_t *)kbd->kb_data)->kbdc);
|
|
|
|
return (KBD_IS_ACTIVE(kbd) ? c : -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* check if data is waiting */
|
|
|
|
static int
|
|
|
|
atkbd_check(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
if (!KBD_IS_ACTIVE(kbd))
|
|
|
|
return FALSE;
|
|
|
|
return kbdc_data_ready(((atkbd_state_t *)kbd->kb_data)->kbdc);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* read char from the keyboard */
|
|
|
|
static u_int
|
|
|
|
atkbd_read_char(keyboard_t *kbd, int wait)
|
|
|
|
{
|
|
|
|
atkbd_state_t *state;
|
|
|
|
u_int action;
|
|
|
|
int scancode;
|
|
|
|
int keycode;
|
|
|
|
|
|
|
|
state = (atkbd_state_t *)kbd->kb_data;
|
|
|
|
next_code:
|
|
|
|
/* do we have a composed char to return? */
|
|
|
|
if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
|
|
|
|
action = state->ks_composed_char;
|
|
|
|
state->ks_composed_char = 0;
|
|
|
|
if (action > UCHAR_MAX)
|
|
|
|
return ERRKEY;
|
|
|
|
return action;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* see if there is something in the keyboard port */
|
|
|
|
if (wait) {
|
|
|
|
do {
|
|
|
|
scancode = read_kbd_data(state->kbdc);
|
|
|
|
} while (scancode == -1);
|
|
|
|
} else {
|
|
|
|
scancode = read_kbd_data_no_wait(state->kbdc);
|
|
|
|
if (scancode == -1)
|
|
|
|
return NOKEY;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* return the byte as is for the K_RAW mode */
|
|
|
|
if (state->ks_mode == K_RAW)
|
|
|
|
return scancode;
|
|
|
|
|
|
|
|
/* translate the scan code into a keycode */
|
|
|
|
keycode = scancode & 0x7F;
|
|
|
|
switch (state->ks_prefix) {
|
|
|
|
case 0x00: /* normal scancode */
|
|
|
|
switch(scancode) {
|
|
|
|
case 0xB8: /* left alt (compose key) released */
|
|
|
|
if (state->ks_flags & COMPOSE) {
|
|
|
|
state->ks_flags &= ~COMPOSE;
|
|
|
|
if (state->ks_composed_char > UCHAR_MAX)
|
|
|
|
state->ks_composed_char = 0;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 0x38: /* left alt (compose key) pressed */
|
|
|
|
if (!(state->ks_flags & COMPOSE)) {
|
|
|
|
state->ks_flags |= COMPOSE;
|
|
|
|
state->ks_composed_char = 0;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 0xE0:
|
|
|
|
case 0xE1:
|
|
|
|
state->ks_prefix = scancode;
|
|
|
|
goto next_code;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 0xE0: /* 0xE0 prefix */
|
|
|
|
state->ks_prefix = 0;
|
|
|
|
switch (keycode) {
|
|
|
|
case 0x1C: /* right enter key */
|
|
|
|
keycode = 0x59;
|
|
|
|
break;
|
|
|
|
case 0x1D: /* right ctrl key */
|
|
|
|
keycode = 0x5A;
|
|
|
|
break;
|
|
|
|
case 0x35: /* keypad divide key */
|
|
|
|
keycode = 0x5B;
|
|
|
|
break;
|
|
|
|
case 0x37: /* print scrn key */
|
|
|
|
keycode = 0x5C;
|
|
|
|
break;
|
|
|
|
case 0x38: /* right alt key (alt gr) */
|
|
|
|
keycode = 0x5D;
|
|
|
|
break;
|
|
|
|
case 0x47: /* grey home key */
|
|
|
|
keycode = 0x5E;
|
|
|
|
break;
|
|
|
|
case 0x48: /* grey up arrow key */
|
|
|
|
keycode = 0x5F;
|
|
|
|
break;
|
|
|
|
case 0x49: /* grey page up key */
|
|
|
|
keycode = 0x60;
|
|
|
|
break;
|
|
|
|
case 0x4B: /* grey left arrow key */
|
|
|
|
keycode = 0x61;
|
|
|
|
break;
|
|
|
|
case 0x4D: /* grey right arrow key */
|
|
|
|
keycode = 0x62;
|
|
|
|
break;
|
|
|
|
case 0x4F: /* grey end key */
|
|
|
|
keycode = 0x63;
|
|
|
|
break;
|
|
|
|
case 0x50: /* grey down arrow key */
|
|
|
|
keycode = 0x64;
|
|
|
|
break;
|
|
|
|
case 0x51: /* grey page down key */
|
|
|
|
keycode = 0x65;
|
|
|
|
break;
|
|
|
|
case 0x52: /* grey insert key */
|
|
|
|
keycode = 0x66;
|
|
|
|
break;
|
|
|
|
case 0x53: /* grey delete key */
|
|
|
|
keycode = 0x67;
|
|
|
|
break;
|
|
|
|
/* the following 3 are only used on the MS "Natural" keyboard */
|
|
|
|
case 0x5b: /* left Window key */
|
|
|
|
keycode = 0x69;
|
|
|
|
break;
|
|
|
|
case 0x5c: /* right Window key */
|
|
|
|
keycode = 0x6a;
|
|
|
|
break;
|
|
|
|
case 0x5d: /* menu key */
|
|
|
|
keycode = 0x6b;
|
|
|
|
break;
|
|
|
|
default: /* ignore everything else */
|
|
|
|
goto next_code;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 0xE1: /* 0xE1 prefix */
|
|
|
|
state->ks_prefix = 0;
|
|
|
|
if (keycode == 0x1D)
|
|
|
|
state->ks_prefix = 0x1D;
|
|
|
|
goto next_code;
|
|
|
|
/* NOT REACHED */
|
|
|
|
case 0x1D: /* pause / break */
|
|
|
|
state->ks_prefix = 0;
|
|
|
|
if (keycode != 0x45)
|
|
|
|
goto next_code;
|
|
|
|
keycode = 0x68;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* return the key code in the K_CODE mode */
|
|
|
|
if (state->ks_mode == K_CODE)
|
|
|
|
return (keycode | (scancode & 0x80));
|
|
|
|
|
|
|
|
/* compose a character code */
|
|
|
|
if (state->ks_flags & COMPOSE) {
|
|
|
|
switch (scancode) {
|
|
|
|
/* key pressed, process it */
|
|
|
|
case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
|
|
|
|
state->ks_composed_char *= 10;
|
|
|
|
state->ks_composed_char += scancode - 0x40;
|
|
|
|
if (state->ks_composed_char > UCHAR_MAX)
|
|
|
|
return ERRKEY;
|
|
|
|
goto next_code;
|
|
|
|
case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
|
|
|
|
state->ks_composed_char *= 10;
|
|
|
|
state->ks_composed_char += scancode - 0x47;
|
|
|
|
if (state->ks_composed_char > UCHAR_MAX)
|
|
|
|
return ERRKEY;
|
|
|
|
goto next_code;
|
|
|
|
case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
|
|
|
|
state->ks_composed_char *= 10;
|
|
|
|
state->ks_composed_char += scancode - 0x4E;
|
|
|
|
if (state->ks_composed_char > UCHAR_MAX)
|
|
|
|
return ERRKEY;
|
|
|
|
goto next_code;
|
|
|
|
case 0x52: /* keypad 0 */
|
|
|
|
state->ks_composed_char *= 10;
|
|
|
|
if (state->ks_composed_char > UCHAR_MAX)
|
|
|
|
return ERRKEY;
|
|
|
|
goto next_code;
|
|
|
|
|
|
|
|
/* key released, no interest here */
|
|
|
|
case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
|
|
|
|
case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
|
|
|
|
case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
|
|
|
|
case 0xD2: /* keypad 0 */
|
|
|
|
goto next_code;
|
|
|
|
|
|
|
|
case 0x38: /* left alt key */
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
if (state->ks_composed_char > 0) {
|
|
|
|
state->ks_flags &= ~COMPOSE;
|
|
|
|
state->ks_composed_char = 0;
|
|
|
|
return ERRKEY;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* keycode to key action */
|
|
|
|
action = genkbd_keyaction(kbd, keycode, scancode & 0x80,
|
|
|
|
&state->ks_state, &state->ks_accents);
|
|
|
|
if (action == NOKEY)
|
|
|
|
goto next_code;
|
|
|
|
else
|
|
|
|
return action;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* check if char is waiting */
|
|
|
|
static int
|
|
|
|
atkbd_check_char(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
atkbd_state_t *state;
|
|
|
|
|
|
|
|
if (!KBD_IS_ACTIVE(kbd))
|
|
|
|
return FALSE;
|
|
|
|
state = (atkbd_state_t *)kbd->kb_data;
|
|
|
|
if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0))
|
|
|
|
return TRUE;
|
|
|
|
return kbdc_data_ready(state->kbdc);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* some useful control functions */
|
|
|
|
static int
|
|
|
|
atkbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
|
|
|
|
{
|
|
|
|
/* trasnlate LED_XXX bits into the device specific bits */
|
|
|
|
static u_char ledmap[8] = {
|
|
|
|
0, 4, 2, 6, 1, 5, 3, 7,
|
|
|
|
};
|
|
|
|
atkbd_state_t *state = kbd->kb_data;
|
|
|
|
int error;
|
|
|
|
int s;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
s = spltty();
|
|
|
|
switch (cmd) {
|
|
|
|
|
|
|
|
case KDGKBMODE: /* get keyboard mode */
|
|
|
|
*(int *)arg = state->ks_mode;
|
|
|
|
break;
|
|
|
|
case KDSKBMODE: /* set keyboard mode */
|
|
|
|
switch (*(int *)arg) {
|
|
|
|
case K_XLATE:
|
|
|
|
if (state->ks_mode != K_XLATE) {
|
|
|
|
/* make lock key state and LED state match */
|
|
|
|
state->ks_state &= ~LOCK_MASK;
|
|
|
|
state->ks_state |= KBD_LED_VAL(kbd);
|
|
|
|
}
|
|
|
|
/* FALL THROUGH */
|
|
|
|
case K_RAW:
|
|
|
|
case K_CODE:
|
|
|
|
if (state->ks_mode != *(int *)arg) {
|
|
|
|
atkbd_clear_state(kbd);
|
|
|
|
state->ks_mode = *(int *)arg;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
splx(s);
|
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case KDGETLED: /* get keyboard LED */
|
|
|
|
*(int *)arg = KBD_LED_VAL(kbd);
|
|
|
|
break;
|
|
|
|
case KDSETLED: /* set keyboard LED */
|
|
|
|
/* NOTE: lock key state in ks_state won't be changed */
|
|
|
|
if (*(int *)arg & ~LOCK_MASK) {
|
|
|
|
splx(s);
|
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
i = *(int *)arg;
|
|
|
|
/* replace CAPS LED with ALTGR LED for ALTGR keyboards */
|
|
|
|
if (kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
|
|
|
|
if (i & ALKED)
|
|
|
|
i |= CLKED;
|
|
|
|
else
|
|
|
|
i &= ~CLKED;
|
|
|
|
}
|
|
|
|
if (KBD_HAS_DEVICE(kbd)) {
|
|
|
|
error = write_kbd(state->kbdc, KBDC_SET_LEDS,
|
|
|
|
ledmap[i & LED_MASK]);
|
|
|
|
if (error) {
|
|
|
|
splx(s);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
KBD_LED_VAL(kbd) = *(int *)arg;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case KDGKBSTATE: /* get lock key state */
|
|
|
|
*(int *)arg = state->ks_state & LOCK_MASK;
|
|
|
|
break;
|
|
|
|
case KDSKBSTATE: /* set lock key state */
|
|
|
|
if (*(int *)arg & ~LOCK_MASK) {
|
|
|
|
splx(s);
|
|
|
|
return EINVAL;
|
|
|
|
}
|
|
|
|
state->ks_state &= ~LOCK_MASK;
|
|
|
|
state->ks_state |= *(int *)arg;
|
|
|
|
splx(s);
|
|
|
|
/* set LEDs and quit */
|
|
|
|
return atkbd_ioctl(kbd, KDSETLED, arg);
|
|
|
|
|
|
|
|
case KDSETRAD: /* set keyboard repeat rate */
|
|
|
|
splx(s);
|
|
|
|
if (!KBD_HAS_DEVICE(kbd))
|
|
|
|
return 0;
|
|
|
|
return write_kbd(state->kbdc, KBDC_SET_TYPEMATIC,
|
|
|
|
*(int *)arg);
|
|
|
|
|
|
|
|
case PIO_KEYMAP: /* set keyboard translation table */
|
|
|
|
case PIO_KEYMAPENT: /* set keyboard translation table entry */
|
|
|
|
case PIO_DEADKEYMAP: /* set accent key translation table */
|
|
|
|
state->ks_accents = 0;
|
|
|
|
/* FALL THROUGH */
|
|
|
|
default:
|
|
|
|
splx(s);
|
|
|
|
return genkbd_commonioctl(kbd, cmd, arg);
|
|
|
|
}
|
|
|
|
|
|
|
|
splx(s);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* lock the access to the keyboard */
|
|
|
|
static int
|
|
|
|
atkbd_lock(keyboard_t *kbd, int lock)
|
|
|
|
{
|
|
|
|
return kbdc_lock(((atkbd_state_t *)kbd->kb_data)->kbdc, lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* clear the internal state of the keyboard */
|
|
|
|
static void
|
|
|
|
atkbd_clear_state(keyboard_t *kbd)
|
|
|
|
{
|
|
|
|
atkbd_state_t *state;
|
|
|
|
|
|
|
|
state = (atkbd_state_t *)kbd->kb_data;
|
|
|
|
state->ks_flags = 0;
|
|
|
|
state->ks_state &= LOCK_MASK; /* preserve locking key state */
|
|
|
|
state->ks_accents = 0;
|
|
|
|
state->ks_composed_char = 0;
|
|
|
|
#if 0
|
|
|
|
state->ks_prefix = 0; /* XXX */
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
/* save the internal state */
|
|
|
|
static int
|
|
|
|
atkbd_get_state(keyboard_t *kbd, void *buf, size_t len)
|
|
|
|
{
|
|
|
|
if (len == 0)
|
|
|
|
return sizeof(atkbd_state_t);
|
|
|
|
if (len < sizeof(atkbd_state_t))
|
|
|
|
return -1;
|
|
|
|
bcopy(kbd->kb_data, buf, sizeof(atkbd_state_t));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* set the internal state */
|
|
|
|
static int
|
|
|
|
atkbd_set_state(keyboard_t *kbd, void *buf, size_t len)
|
|
|
|
{
|
|
|
|
if (len < sizeof(atkbd_state_t))
|
|
|
|
return ENOMEM;
|
|
|
|
if (((atkbd_state_t *)kbd->kb_data)->kbdc
|
|
|
|
!= ((atkbd_state_t *)buf)->kbdc)
|
|
|
|
return ENOMEM;
|
|
|
|
bcopy(buf, kbd->kb_data, sizeof(atkbd_state_t));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* local functions */
|
|
|
|
|
|
|
|
static int
|
|
|
|
setup_kbd_port(KBDC kbdc, int port, int intr)
|
|
|
|
{
|
|
|
|
if (!set_controller_command_byte(kbdc,
|
|
|
|
KBD_KBD_CONTROL_BITS,
|
|
|
|
((port) ? KBD_ENABLE_KBD_PORT : KBD_DISABLE_KBD_PORT)
|
|
|
|
| ((intr) ? KBD_ENABLE_KBD_INT : KBD_DISABLE_KBD_INT)))
|
|
|
|
return 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
get_kbd_echo(KBDC kbdc)
|
|
|
|
{
|
|
|
|
/* enable the keyboard port, but disable the keyboard intr. */
|
|
|
|
if (setup_kbd_port(kbdc, TRUE, FALSE))
|
|
|
|
/* CONTROLLER ERROR: there is very little we can do... */
|
|
|
|
return ENXIO;
|
|
|
|
|
|
|
|
/* see if something is present */
|
|
|
|
write_kbd_command(kbdc, KBDC_ECHO);
|
|
|
|
if (read_kbd_data(kbdc) != KBD_ECHO) {
|
|
|
|
empty_both_buffers(kbdc, 10);
|
|
|
|
test_controller(kbdc);
|
|
|
|
test_kbd_port(kbdc);
|
|
|
|
return ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* enable the keyboard port and intr. */
|
|
|
|
if (setup_kbd_port(kbdc, TRUE, TRUE)) {
|
|
|
|
/*
|
|
|
|
* CONTROLLER ERROR
|
|
|
|
* This is serious; the keyboard intr is left disabled!
|
|
|
|
*/
|
|
|
|
return ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
probe_keyboard(KBDC kbdc, int flags)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Don't try to print anything in this function. The low-level
|
|
|
|
* console may not have been initialized yet...
|
|
|
|
*/
|
|
|
|
int err;
|
|
|
|
int c;
|
|
|
|
int m;
|
|
|
|
|
|
|
|
if (!kbdc_lock(kbdc, TRUE)) {
|
|
|
|
/* driver error? */
|
|
|
|
return ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* flush any noise in the buffer */
|
|
|
|
empty_both_buffers(kbdc, 10);
|
|
|
|
|
|
|
|
/* save the current keyboard controller command byte */
|
|
|
|
m = kbdc_get_device_mask(kbdc) & ~KBD_KBD_CONTROL_BITS;
|
|
|
|
c = get_controller_command_byte(kbdc);
|
|
|
|
if (c == -1) {
|
|
|
|
/* CONTROLLER ERROR */
|
|
|
|
kbdc_set_device_mask(kbdc, m);
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
return ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The keyboard may have been screwed up by the boot block.
|
|
|
|
* We may just be able to recover from error by testing the controller
|
|
|
|
* and the keyboard port. The controller command byte needs to be
|
|
|
|
* saved before this recovery operation, as some controllers seem
|
|
|
|
* to set the command byte to particular values.
|
|
|
|
*/
|
|
|
|
test_controller(kbdc);
|
|
|
|
test_kbd_port(kbdc);
|
|
|
|
|
|
|
|
err = get_kbd_echo(kbdc);
|
|
|
|
if (err == 0) {
|
|
|
|
kbdc_set_device_mask(kbdc, m | KBD_KBD_CONTROL_BITS);
|
|
|
|
} else {
|
|
|
|
if (c != -1)
|
|
|
|
/* try to restore the command byte as before */
|
|
|
|
set_controller_command_byte(kbdc, 0xff, c);
|
|
|
|
kbdc_set_device_mask(kbdc, m);
|
|
|
|
}
|
|
|
|
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
init_keyboard(KBDC kbdc, int *type, int flags)
|
|
|
|
{
|
|
|
|
int codeset;
|
|
|
|
int id;
|
|
|
|
int c;
|
|
|
|
|
|
|
|
if (!kbdc_lock(kbdc, TRUE)) {
|
|
|
|
/* driver error? */
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* save the current controller command byte */
|
|
|
|
empty_both_buffers(kbdc, 10);
|
|
|
|
c = get_controller_command_byte(kbdc);
|
|
|
|
if (c == -1) {
|
|
|
|
/* CONTROLLER ERROR */
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
printf("atkbd: unable to get the current command byte value.\n");
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
if (bootverbose)
|
|
|
|
printf("atkbd: the current kbd controller command byte %04x\n",
|
|
|
|
c);
|
|
|
|
#if 0
|
|
|
|
/* override the keyboard lock switch */
|
|
|
|
c |= KBD_OVERRIDE_KBD_LOCK;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* enable the keyboard port, but disable the keyboard intr. */
|
|
|
|
if (setup_kbd_port(kbdc, TRUE, FALSE)) {
|
|
|
|
/* CONTROLLER ERROR: there is very little we can do... */
|
|
|
|
printf("atkbd: unable to set the command byte.\n");
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check if we have an XT keyboard before we attempt to reset it.
|
|
|
|
* The procedure assumes that the keyboard and the controller have
|
|
|
|
* been set up properly by BIOS and have not been messed up
|
|
|
|
* during the boot process.
|
|
|
|
*/
|
|
|
|
codeset = -1;
|
|
|
|
if (flags & KB_CONF_ALT_SCANCODESET)
|
|
|
|
/* the user says there is a XT keyboard */
|
|
|
|
codeset = 1;
|
|
|
|
#ifdef KBD_DETECT_XT_KEYBOARD
|
|
|
|
else if ((c & KBD_TRANSLATION) == 0) {
|
|
|
|
/* SET_SCANCODE_SET is not always supported; ignore error */
|
|
|
|
if (send_kbd_command_and_data(kbdc, KBDC_SET_SCANCODE_SET, 0)
|
|
|
|
== KBD_ACK)
|
|
|
|
codeset = read_kbd_data(kbdc);
|
|
|
|
}
|
|
|
|
if (bootverbose)
|
|
|
|
printf("atkbd: scancode set %d\n", codeset);
|
|
|
|
#endif /* KBD_DETECT_XT_KEYBOARD */
|
|
|
|
|
|
|
|
*type = KB_OTHER;
|
|
|
|
id = get_kbd_id(kbdc);
|
|
|
|
switch(id) {
|
|
|
|
case 0x41ab:
|
|
|
|
case 0x83ab:
|
|
|
|
*type = KB_101;
|
|
|
|
break;
|
|
|
|
case -1: /* AT 84 keyboard doesn't return ID */
|
|
|
|
*type = KB_84;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (bootverbose)
|
|
|
|
printf("atkbd: keyboard ID 0x%x (%d)\n", id, *type);
|
|
|
|
|
|
|
|
/* reset keyboard hardware */
|
|
|
|
if (!(flags & KB_CONF_NO_RESET) && !reset_kbd(kbdc)) {
|
|
|
|
/*
|
|
|
|
* KEYBOARD ERROR
|
|
|
|
* Keyboard reset may fail either because the keyboard
|
|
|
|
* doen't exist, or because the keyboard doesn't pass
|
|
|
|
* the self-test, or the keyboard controller on the
|
|
|
|
* motherboard and the keyboard somehow fail to shake hands.
|
|
|
|
* It is just possible, particularly in the last case,
|
|
|
|
* that the keyoard controller may be left in a hung state.
|
|
|
|
* test_controller() and test_kbd_port() appear to bring
|
|
|
|
* the keyboard controller back (I don't know why and how,
|
|
|
|
* though.)
|
|
|
|
*/
|
|
|
|
empty_both_buffers(kbdc, 10);
|
|
|
|
test_controller(kbdc);
|
|
|
|
test_kbd_port(kbdc);
|
|
|
|
/*
|
|
|
|
* We could disable the keyboard port and interrupt... but,
|
|
|
|
* the keyboard may still exist (see above).
|
|
|
|
*/
|
|
|
|
set_controller_command_byte(kbdc, 0xff, c);
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
if (bootverbose)
|
|
|
|
printf("atkbd: failed to reset the keyboard.\n");
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Allow us to set the XT_KEYBD flag in UserConfig so that keyboards
|
|
|
|
* such as those on the IBM ThinkPad laptop computers can be used
|
|
|
|
* with the standard console driver.
|
|
|
|
*/
|
|
|
|
if (codeset == 1) {
|
|
|
|
if (send_kbd_command_and_data(kbdc,
|
|
|
|
KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) {
|
|
|
|
/* XT kbd doesn't need scan code translation */
|
|
|
|
c &= ~KBD_TRANSLATION;
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* KEYBOARD ERROR
|
|
|
|
* The XT kbd isn't usable unless the proper scan
|
|
|
|
* code set is selected.
|
|
|
|
*/
|
|
|
|
set_controller_command_byte(kbdc, 0xff, c);
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
printf("atkbd: unable to set the XT keyboard mode.\n");
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* enable the keyboard port and intr. */
|
|
|
|
if (!set_controller_command_byte(kbdc,
|
|
|
|
KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK,
|
|
|
|
(c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK))
|
|
|
|
| KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) {
|
|
|
|
/*
|
|
|
|
* CONTROLLER ERROR
|
|
|
|
* This is serious; we are left with the disabled
|
|
|
|
* keyboard intr.
|
|
|
|
*/
|
|
|
|
set_controller_command_byte(kbdc, 0xff, c);
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
printf("atkbd: unable to enable the keyboard port and intr.\n");
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
write_kbd(KBDC kbdc, int command, int data)
|
|
|
|
{
|
|
|
|
int s;
|
|
|
|
|
|
|
|
/* prevent the timeout routine from polling the keyboard */
|
|
|
|
if (!kbdc_lock(kbdc, TRUE))
|
|
|
|
return EBUSY;
|
|
|
|
|
|
|
|
/* disable the keyboard and mouse interrupt */
|
|
|
|
s = spltty();
|
|
|
|
#if 0
|
|
|
|
c = get_controller_command_byte(kbdc);
|
|
|
|
if ((c == -1)
|
|
|
|
|| !set_controller_command_byte(kbdc,
|
|
|
|
kbdc_get_device_mask(kbdc),
|
|
|
|
KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT
|
|
|
|
| KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) {
|
|
|
|
/* CONTROLLER ERROR */
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
splx(s);
|
|
|
|
return EIO;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Now that the keyboard controller is told not to generate
|
|
|
|
* the keyboard and mouse interrupts, call `splx()' to allow
|
|
|
|
* the other tty interrupts. The clock interrupt may also occur,
|
|
|
|
* but the timeout routine (`scrn_timer()') will be blocked
|
|
|
|
* by the lock flag set via `kbdc_lock()'
|
|
|
|
*/
|
|
|
|
splx(s);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (send_kbd_command_and_data(kbdc, command, data) != KBD_ACK)
|
|
|
|
send_kbd_command(kbdc, KBDC_ENABLE_KBD);
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
/* restore the interrupts */
|
|
|
|
if (!set_controller_command_byte(kbdc,
|
|
|
|
kbdc_get_device_mask(kbdc),
|
|
|
|
c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) {
|
|
|
|
/* CONTROLLER ERROR */
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
splx(s);
|
|
|
|
#endif
|
|
|
|
kbdc_lock(kbdc, FALSE);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
get_kbd_id(KBDC kbdc)
|
|
|
|
{
|
|
|
|
int id1, id2;
|
|
|
|
|
|
|
|
empty_both_buffers(kbdc, 10);
|
|
|
|
id1 = id2 = -1;
|
|
|
|
if (send_kbd_command(kbdc, KBDC_SEND_DEV_ID) != KBD_ACK)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
DELAY(10000); /* 10 msec delay */
|
|
|
|
id1 = read_kbd_data(kbdc);
|
|
|
|
if (id1 != -1)
|
|
|
|
id2 = read_kbd_data(kbdc);
|
|
|
|
|
|
|
|
if ((id1 == -1) || (id2 == -1)) {
|
|
|
|
empty_both_buffers(kbdc, 10);
|
|
|
|
test_controller(kbdc);
|
|
|
|
test_kbd_port(kbdc);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return ((id2 << 8) | id1);
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* NATKBD > 0 */
|