1087 lines
22 KiB
C
1087 lines
22 KiB
C
/* $NetBSD: kbd.c,v 1.27 2000/09/21 23:40:47 eeh Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* 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, Lawrence Berkeley Laboratory.
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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 8.2 (Berkeley) 10/30/93
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*/
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/*
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* Keyboard driver (/dev/kbd -- note that we do not have minor numbers
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* [yet?]). Translates incoming bytes to ASCII or to `firm_events' and
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* passes them up to the appropriate reader.
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*/
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#include "opt_ddb.h"
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/*
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* This is the "slave" driver that will be attached to
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* the "zsc" driver for a Sun keyboard.
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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/conf.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/time.h>
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#include <sys/syslog.h>
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#include <sys/select.h>
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#include <sys/poll.h>
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#include <sys/file.h>
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#include <dev/ic/z8530reg.h>
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#include <machine/z8530var.h>
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#include <machine/vuid_event.h>
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#include <machine/kbd.h>
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#include <machine/kbio.h>
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#include <dev/sun/event_var.h>
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#include <dev/sun/kbd_xlate.h>
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#include <dev/sun/kbdvar.h>
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#include "locators.h"
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/*
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* Ideas:
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* /dev/kbd is not a tty (plain device)
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*/
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/* Prototypes */
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static void kbd_new_layout __P((struct kbd_softc *));
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static void kbd_repeat __P((void *));
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static void kbd_set_leds __P((struct kbd_softc *, int));
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static void kbd_update_leds __P((struct kbd_softc *));
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static void kbd_was_reset __P((struct kbd_softc *));
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static int kbd_drain_tx __P((struct kbd_softc *));
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static int kbd_iopen __P((struct kbd_softc *));
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static int kbd_iclose __P((struct kbd_softc *));
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cdev_decl(kbd); /* open, close, read, write, ioctl, stop, ... */
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extern struct cfdriver kbd_cd;
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/****************************************************************
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* Entry points for /dev/kbd
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* (open,close,read,write,...)
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****************************************************************/
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/*
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* Open:
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* Check exclusion, open actual device (_iopen),
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* setup event channel, clear ASCII repeat stuff.
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*/
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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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struct kbd_softc *k;
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int error, unit;
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unit = minor(dev);
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if (unit >= kbd_cd.cd_ndevs)
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return (ENXIO);
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k = kbd_cd.cd_devs[unit];
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if (k == NULL)
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return (ENXIO);
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/* Exclusive open required for /dev/kbd */
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if (k->k_events.ev_io)
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return (EBUSY);
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k->k_events.ev_io = p;
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if ((error = kbd_iopen(k)) != 0) {
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k->k_events.ev_io = NULL;
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return (error);
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}
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ev_init(&k->k_events);
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k->k_evmode = 0; /* XXX: OK? */
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if (k->k_repeating) {
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k->k_repeating = 0;
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callout_stop(&k->k_repeat_ch);
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}
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return (0);
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}
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/*
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* Close:
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* Turn off event mode, dump the queue, and close the keyboard
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* unless it is supplying console input.
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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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struct kbd_softc *k;
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k = kbd_cd.cd_devs[minor(dev)];
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k->k_evmode = 0;
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ev_fini(&k->k_events);
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k->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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struct kbd_softc *k;
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k = kbd_cd.cd_devs[minor(dev)];
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return (ev_read(&k->k_events, uio, flags));
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}
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/* this routine should not exist, but is convenient to write here for now */
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int
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kbdwrite(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 (EOPNOTSUPP);
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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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struct kbd_softc *k;
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k = kbd_cd.cd_devs[minor(dev)];
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return (ev_poll(&k->k_events, events, p));
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}
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static int kbd_iockeymap __P((struct kbd_state *ks,
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u_long cmd, struct kiockeymap *kio));
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static int kbd_iocsled(struct kbd_softc *k, char *data);
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#ifdef KIOCGETKEY
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static int kbd_oldkeymap __P((struct kbd_state *ks,
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u_long cmd, struct okiockey *okio));
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#endif
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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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caddr_t data;
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int flag;
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struct proc *p;
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{
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struct kbd_softc *k;
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struct kbd_state *ks;
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int error = 0;
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k = kbd_cd.cd_devs[minor(dev)];
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ks = &k->k_state;
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switch (cmd) {
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case KIOCTRANS: /* Set translation mode */
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/* We only support "raw" mode on /dev/kbd */
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if (*(int *)data != TR_UNTRANS_EVENT)
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error = EINVAL;
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break;
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case KIOCGTRANS: /* Get translation mode */
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/* We only support "raw" mode on /dev/kbd */
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*(int *)data = TR_UNTRANS_EVENT;
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break;
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#ifdef KIOCGETKEY
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case KIOCGETKEY: /* Get keymap entry (old format) */
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error = kbd_oldkeymap(ks, cmd, (struct okiockey *)data);
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break;
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#endif KIOCGETKEY */
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case KIOCSKEY: /* Set keymap entry */
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/* fallthrough */
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case KIOCGKEY: /* Get keymap entry */
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error = kbd_iockeymap(ks, cmd, (struct kiockeymap *)data);
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break;
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case KIOCCMD: /* Send a command to the keyboard */
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error = kbd_docmd(*(int *)data, 1);
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break;
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case KIOCTYPE: /* Get keyboard type */
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*(int *)data = ks->kbd_id;
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break;
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case KIOCSDIRECT: /* where to send input */
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k->k_evmode = *(int *)data;
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break;
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case KIOCLAYOUT: /* Get keyboard layout */
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*(int *)data = ks->kbd_layout;
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break;
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case KIOCSLED:
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error = kbd_iocsled(k, (char *)data);
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break;
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case KIOCGLED:
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*(char *)data = ks->kbd_leds;
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break;
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case FIONBIO: /* we will remove this someday (soon???) */
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break;
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case FIOASYNC:
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k->k_events.ev_async = *(int *)data != 0;
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break;
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case TIOCSPGRP:
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if (*(int *)data != k->k_events.ev_io->p_pgid)
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error = EPERM;
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break;
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default:
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error = ENOTTY;
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break;
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}
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return (error);
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}
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/****************************************************************
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* ioctl helpers
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****************************************************************/
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/*
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* Get/Set keymap entry
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*/
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static int
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kbd_iockeymap(ks, cmd, kio)
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struct kbd_state *ks;
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u_long cmd;
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struct kiockeymap *kio;
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{
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u_short *km;
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u_int station;
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switch (kio->kio_tablemask) {
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case KIOC_NOMASK:
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km = ks->kbd_k.k_normal;
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break;
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case KIOC_SHIFTMASK:
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km = ks->kbd_k.k_shifted;
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break;
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case KIOC_CTRLMASK:
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km = ks->kbd_k.k_control;
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break;
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case KIOC_UPMASK:
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km = ks->kbd_k.k_release;
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break;
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default:
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/* Silently ignore unsupported masks */
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return (0);
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}
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/* Range-check the table position. */
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station = kio->kio_station;
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if (station >= KEYMAP_SIZE)
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return (EINVAL);
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switch (cmd) {
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case KIOCGKEY: /* Get keymap entry */
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kio->kio_entry = km[station];
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break;
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case KIOCSKEY: /* Set keymap entry */
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km[station] = kio->kio_entry;
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break;
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default:
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return(ENOTTY);
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}
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return (0);
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}
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#ifdef KIOCGETKEY
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/*
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* Get/Set keymap entry,
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* old format (compatibility)
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*/
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int
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kbd_oldkeymap(ks, cmd, kio)
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struct kbd_state *ks;
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u_long cmd;
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struct okiockey *kio;
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{
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int error = 0;
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switch (cmd) {
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case KIOCGETKEY:
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if (kio->kio_station == 118) {
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/*
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* This is X11 asking if a type 3 keyboard is
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* really a type 3 keyboard. Say yes, it is,
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* by reporting key station 118 as a "hole".
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* Note old (SunOS 3.5) definition of HOLE!
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*/
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kio->kio_entry = 0xA2;
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break;
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}
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/* fall through */
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default:
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error = ENOTTY;
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break;
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}
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return (error);
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}
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#endif /* KIOCGETKEY */
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/*
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* keyboard command ioctl
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* ``unimplemented commands are ignored'' (blech)
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* This is also export to the fb driver.
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*/
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int
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kbd_docmd(cmd, isuser)
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int cmd;
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int isuser;
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{
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struct kbd_softc *k;
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struct kbd_state *ks;
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int error, s;
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error = 0;
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k = kbd_cd.cd_devs[0];
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ks = &k->k_state;
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switch (cmd) {
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case KBD_CMD_BELL:
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case KBD_CMD_NOBELL:
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/* Supported by type 2, 3, and 4 keyboards */
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break;
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case KBD_CMD_CLICK:
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case KBD_CMD_NOCLICK:
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/* Unsupported by type 2 keyboards */
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if (ks->kbd_id <= KB_SUN2)
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return (0);
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ks->kbd_click = (cmd == KBD_CMD_CLICK);
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break;
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default:
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return (0);
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}
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s = spltty();
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if (isuser)
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error = kbd_drain_tx(k);
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if (error == 0) {
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kbd_output(k, cmd);
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kbd_start_tx(k);
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}
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splx(s);
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return (error);
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}
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/*
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* Set LEDs ioctl.
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*/
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static int
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kbd_iocsled(k, data)
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struct kbd_softc *k;
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char *data;
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{
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int leds, error, s;
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leds = *data;
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s = spltty();
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error = kbd_drain_tx(k);
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if (error == 0) {
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kbd_set_leds(k, leds);
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}
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splx(s);
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return (error);
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}
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/****************************************************************
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* middle layers:
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* - keysym to ASCII sequence
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* - raw key codes to keysym
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****************************************************************/
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static void kbd_input_string __P((struct kbd_softc *, char *));
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static void kbd_input_funckey __P((struct kbd_softc *, int));
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static int kbd_input_keysym __P((struct kbd_softc *, int));
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/*
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* Initialization done by either kdcninit or kbd_iopen
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*/
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void
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kbd_xlate_init(ks)
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struct kbd_state *ks;
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{
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struct keyboard *ktbls;
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int id;
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id = ks->kbd_id;
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if (id < KBD_MIN_TYPE)
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id = KBD_MIN_TYPE;
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if (id > kbd_max_type)
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id = kbd_max_type;
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ktbls = keyboards[id];
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ks->kbd_k = *ktbls; /* struct assignment */
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ks->kbd_modbits = 0;
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}
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/*
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* Turn keyboard up/down codes into a KEYSYM.
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* Note that the "kd" driver uses this too!
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*/
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int
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kbd_code_to_keysym(ks, c)
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struct kbd_state *ks;
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int c;
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{
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u_short *km;
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int keysym;
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/*
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* Get keymap pointer. One of these:
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* release, control, shifted, normal, ...
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*/
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if (KEY_UP(c))
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km = ks->kbd_k.k_release;
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else if (ks->kbd_modbits & KBMOD_CTRL_MASK)
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km = ks->kbd_k.k_control;
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else if (ks->kbd_modbits & KBMOD_SHIFT_MASK)
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km = ks->kbd_k.k_shifted;
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else
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km = ks->kbd_k.k_normal;
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if (km == NULL) {
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/*
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* Do not know how to translate yet.
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* We will find out when a RESET comes along.
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*/
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return (KEYSYM_NOP);
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}
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keysym = km[KEY_CODE(c)];
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/*
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* Post-processing for Caps-lock
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*/
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if ((ks->kbd_modbits & (1 << KBMOD_CAPSLOCK)) &&
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(KEYSYM_CLASS(keysym) == KEYSYM_ASCII) )
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{
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if (('a' <= keysym) && (keysym <= 'z'))
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keysym -= ('a' - 'A');
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}
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/*
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* Post-processing for Num-lock. All "function"
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* keysyms get indirected through another table.
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* (XXX: Only if numlock on. Want off also!)
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*/
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if ((ks->kbd_modbits & (1 << KBMOD_NUMLOCK)) &&
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(KEYSYM_CLASS(keysym) == KEYSYM_FUNC) )
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{
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keysym = kbd_numlock_map[keysym & 0x3F];
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}
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return (keysym);
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}
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void
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kbd_input_string(k, str)
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struct kbd_softc *k;
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char *str;
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{
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while (*str) {
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(*k->k_cc->cc_upstream)(*str);
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str++;
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|
}
|
|
}
|
|
|
|
void
|
|
kbd_input_funckey(k, keysym)
|
|
struct kbd_softc *k;
|
|
int keysym;
|
|
{
|
|
int n;
|
|
char str[12];
|
|
|
|
/*
|
|
* Format the F-key sequence and send as a string.
|
|
* XXX: Ugly compatibility mappings.
|
|
*/
|
|
n = 0xC0 + (keysym & 0x3F);
|
|
sprintf(str, "\033[%dz", n);
|
|
kbd_input_string(k, str);
|
|
}
|
|
|
|
/*
|
|
* This is called by kbd_input_raw() or by kb_repeat()
|
|
* to deliver ASCII input. Called at spltty().
|
|
*
|
|
* Return zero on success, else the keysym that we
|
|
* could not handle (so the caller may complain).
|
|
*/
|
|
int
|
|
kbd_input_keysym(k, keysym)
|
|
struct kbd_softc *k;
|
|
int keysym;
|
|
{
|
|
struct kbd_state *ks = &k->k_state;
|
|
int data;
|
|
|
|
switch (KEYSYM_CLASS(keysym)) {
|
|
|
|
case KEYSYM_ASCII:
|
|
data = KEYSYM_DATA(keysym);
|
|
if (ks->kbd_modbits & KBMOD_META_MASK)
|
|
data |= 0x80;
|
|
(*k->k_cc->cc_upstream)(data);
|
|
break;
|
|
|
|
case KEYSYM_STRING:
|
|
data = keysym & 0xF;
|
|
kbd_input_string(k, kbd_stringtab[data]);
|
|
break;
|
|
|
|
case KEYSYM_FUNC:
|
|
kbd_input_funckey(k, keysym);
|
|
break;
|
|
|
|
case KEYSYM_CLRMOD:
|
|
data = 1 << (keysym & 0x1F);
|
|
ks->kbd_modbits &= ~data;
|
|
break;
|
|
|
|
case KEYSYM_SETMOD:
|
|
data = 1 << (keysym & 0x1F);
|
|
ks->kbd_modbits |= data;
|
|
break;
|
|
|
|
case KEYSYM_INVMOD:
|
|
data = 1 << (keysym & 0x1F);
|
|
ks->kbd_modbits ^= data;
|
|
kbd_update_leds(k);
|
|
break;
|
|
|
|
case KEYSYM_ALL_UP:
|
|
ks->kbd_modbits &= ~0xFFFF;
|
|
break;
|
|
|
|
case KEYSYM_SPECIAL:
|
|
if (keysym == KEYSYM_NOP)
|
|
break;
|
|
/* fall through */
|
|
default:
|
|
/* We could not handle it. */
|
|
return (keysym);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* This is the autorepeat timeout function.
|
|
* Called at splsoftclock().
|
|
*/
|
|
static void
|
|
kbd_repeat(arg)
|
|
void *arg;
|
|
{
|
|
struct kbd_softc *k = (struct kbd_softc *)arg;
|
|
int s = spltty();
|
|
|
|
if (k->k_repeating && k->k_repeatsym >= 0) {
|
|
(void)kbd_input_keysym(k, k->k_repeatsym);
|
|
callout_reset(&k->k_repeat_ch, k->k_repeat_step,
|
|
kbd_repeat, k);
|
|
}
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
* Called by our kbd_softint() routine on input,
|
|
* which passes the raw hardware scan codes.
|
|
* Called at spltty()
|
|
*/
|
|
void
|
|
kbd_input_raw(k, c)
|
|
struct kbd_softc *k;
|
|
int c;
|
|
{
|
|
struct kbd_state *ks = &k->k_state;
|
|
struct firm_event *fe;
|
|
int put, keysym;
|
|
|
|
/* XXX - Input errors already handled. */
|
|
|
|
/* Are we expecting special input? */
|
|
if (ks->kbd_expect) {
|
|
if (ks->kbd_expect & KBD_EXPECT_IDCODE) {
|
|
/* We read a KBD_RESET last time. */
|
|
ks->kbd_id = c;
|
|
kbd_was_reset(k);
|
|
}
|
|
if (ks->kbd_expect & KBD_EXPECT_LAYOUT) {
|
|
/* We read a KBD_LAYOUT last time. */
|
|
ks->kbd_layout = c;
|
|
kbd_new_layout(k);
|
|
}
|
|
ks->kbd_expect = 0;
|
|
return;
|
|
}
|
|
|
|
/* Is this one of the "special" input codes? */
|
|
if (KBD_SPECIAL(c)) {
|
|
switch (c) {
|
|
case KBD_RESET:
|
|
ks->kbd_expect |= KBD_EXPECT_IDCODE;
|
|
/* Fake an "all-up" to resync. translation. */
|
|
c = KBD_IDLE;
|
|
break;
|
|
|
|
case KBD_LAYOUT:
|
|
ks->kbd_expect |= KBD_EXPECT_LAYOUT;
|
|
return;
|
|
|
|
case KBD_ERROR:
|
|
log(LOG_WARNING, "%s: received error indicator\n",
|
|
k->k_dev.dv_xname);
|
|
return;
|
|
|
|
case KBD_IDLE:
|
|
/* Let this go to the translator. */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If /dev/kbd is not connected in event mode,
|
|
* translate and send upstream (to console).
|
|
*/
|
|
if (!k->k_evmode) {
|
|
|
|
/* Any input stops auto-repeat (i.e. key release). */
|
|
if (k->k_repeating) {
|
|
k->k_repeating = 0;
|
|
callout_stop(&k->k_repeat_ch);
|
|
}
|
|
|
|
/* Translate this code to a keysym */
|
|
keysym = kbd_code_to_keysym(ks, c);
|
|
|
|
/* Pass up to the next layer. */
|
|
if (kbd_input_keysym(k, keysym)) {
|
|
log(LOG_WARNING, "%s: code=0x%x with mod=0x%x"
|
|
" produced unexpected keysym 0x%x\n",
|
|
k->k_dev.dv_xname, c,
|
|
ks->kbd_modbits, keysym);
|
|
/* No point in auto-repeat here. */
|
|
return;
|
|
}
|
|
|
|
/* Does this symbol get auto-repeat? */
|
|
if (KEYSYM_NOREPEAT(keysym))
|
|
return;
|
|
|
|
/* Setup for auto-repeat after initial delay. */
|
|
k->k_repeating = 1;
|
|
k->k_repeatsym = keysym;
|
|
callout_reset(&k->k_repeat_ch, k->k_repeat_start,
|
|
kbd_repeat, k);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* IDLEs confuse the MIT X11R4 server badly, so we must drop them.
|
|
* This is bad as it means the server will not automatically resync
|
|
* on all-up IDLEs, but I did not drop them before, and the server
|
|
* goes crazy when it comes time to blank the screen....
|
|
*/
|
|
if (c == KBD_IDLE)
|
|
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, "%s: event queue overflow\n",
|
|
k->k_dev.dv_xname); /* ??? */
|
|
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);
|
|
}
|
|
|
|
/****************************************************************/
|
|
|
|
/*
|
|
* Open/close routines called upon opening /dev/console
|
|
* if we serve console input.
|
|
*/
|
|
int
|
|
kbd_cc_open(cc)
|
|
struct cons_channel *cc;
|
|
{
|
|
struct kbd_softc *k = (struct kbd_softc *)cc->cc_dev;
|
|
return (kbd_iopen(k));
|
|
}
|
|
|
|
int
|
|
kbd_cc_close(cc)
|
|
struct cons_channel *cc;
|
|
{
|
|
struct kbd_softc *k = (struct kbd_softc *)cc->cc_dev;
|
|
return (kbd_iclose(k));
|
|
}
|
|
|
|
/*
|
|
* Initialization to be done at first open.
|
|
* This is called from kbdopen() or kd_cc_open()
|
|
* Called with user context.
|
|
*/
|
|
int
|
|
kbd_iopen(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
struct kbd_state *ks;
|
|
int error, s;
|
|
|
|
if (k == NULL)
|
|
return (ENXIO);
|
|
|
|
ks = &k->k_state;
|
|
|
|
/* Tolerate extra calls. */
|
|
if (k->k_isopen)
|
|
return (0);
|
|
|
|
/* Open internal device */
|
|
if (k->k_deviopen)
|
|
(*k->k_deviopen)((struct device *)k, FREAD|FWRITE);
|
|
|
|
s = spltty();
|
|
|
|
/* Reset the keyboard and find out its type. */
|
|
kbd_output(k, KBD_CMD_RESET);
|
|
kbd_start_tx(k);
|
|
kbd_drain_tx(k);
|
|
/* The wakeup for this is in kbd_was_reset(). */
|
|
error = tsleep((caddr_t)&ks->kbd_id,
|
|
PZERO | PCATCH, devopn, hz);
|
|
if (error == EWOULDBLOCK) { /* no response */
|
|
error = 0;
|
|
log(LOG_ERR, "%s: reset failed\n",
|
|
k->k_dev.dv_xname);
|
|
/*
|
|
* Allow the open anyway (to keep getty happy)
|
|
* but assume the "least common denominator".
|
|
*/
|
|
ks->kbd_id = KB_SUN2;
|
|
}
|
|
|
|
/* Initialize the table pointers for this type. */
|
|
kbd_xlate_init(ks);
|
|
|
|
/* Earlier than type 4 does not know "layout". */
|
|
if (ks->kbd_id < KB_SUN4)
|
|
goto out;
|
|
|
|
/* Ask for the layout. */
|
|
kbd_output(k, KBD_CMD_GETLAYOUT);
|
|
kbd_start_tx(k);
|
|
kbd_drain_tx(k);
|
|
/* The wakeup for this is in kbd_new_layout(). */
|
|
error = tsleep((caddr_t)&ks->kbd_layout,
|
|
PZERO | PCATCH, devopn, hz);
|
|
if (error == EWOULDBLOCK) { /* no response */
|
|
error = 0;
|
|
log(LOG_ERR, "%s: no response to get_layout\n",
|
|
k->k_dev.dv_xname);
|
|
ks->kbd_layout = 0;
|
|
}
|
|
|
|
out:
|
|
splx(s);
|
|
|
|
if (error == 0)
|
|
k->k_isopen = 1;
|
|
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
kbd_iclose(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
/* For now: */ return (0);
|
|
}
|
|
|
|
/*
|
|
* Called by kbd_input_raw, at spltty()
|
|
*/
|
|
static void
|
|
kbd_was_reset(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
struct kbd_state *ks = &k->k_state;
|
|
|
|
/*
|
|
* On first identification, wake up anyone waiting for type
|
|
* and set up the table pointers.
|
|
*/
|
|
wakeup((caddr_t)&ks->kbd_id);
|
|
|
|
/* Restore keyclick, if necessary */
|
|
switch (ks->kbd_id) {
|
|
|
|
case KB_SUN2:
|
|
/* Type 2 keyboards don't support keyclick */
|
|
break;
|
|
|
|
case KB_SUN3:
|
|
/* Type 3 keyboards come up with keyclick on */
|
|
if (!ks->kbd_click) {
|
|
/* turn off the click */
|
|
kbd_output(k, KBD_CMD_NOCLICK);
|
|
kbd_start_tx(k);
|
|
}
|
|
break;
|
|
|
|
case KB_SUN4:
|
|
/* Type 4 keyboards come up with keyclick off */
|
|
if (ks->kbd_click) {
|
|
/* turn on the click */
|
|
kbd_output(k, KBD_CMD_CLICK);
|
|
kbd_start_tx(k);
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* LEDs are off after reset. */
|
|
ks->kbd_leds = 0;
|
|
}
|
|
|
|
/*
|
|
* Called by kbd_input_raw, at spltty()
|
|
*/
|
|
static void
|
|
kbd_new_layout(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
struct kbd_state *ks = &k->k_state;
|
|
|
|
/*
|
|
* On first identification, wake up anyone waiting for type
|
|
* and set up the table pointers.
|
|
*/
|
|
wakeup((caddr_t)&ks->kbd_layout);
|
|
|
|
/* XXX: switch decoding tables? */
|
|
}
|
|
|
|
|
|
/*
|
|
* Wait for output to finish.
|
|
* Called at spltty(). Has user context.
|
|
*/
|
|
static int
|
|
kbd_drain_tx(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
while (k->k_txflags & K_TXBUSY && !error) {
|
|
k->k_txflags |= K_TXWANT;
|
|
error = tsleep((caddr_t)&k->k_txflags,
|
|
PZERO | PCATCH, "kbdout", 0);
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Enqueue some output for the keyboard
|
|
* Called at spltty().
|
|
*/
|
|
void
|
|
kbd_output(k, c)
|
|
struct kbd_softc *k;
|
|
int c; /* the data */
|
|
{
|
|
int put;
|
|
|
|
put = k->k_tbput;
|
|
k->k_tbuf[put] = (u_char)c;
|
|
put = (put + 1) & KBD_TX_RING_MASK;
|
|
|
|
/* Would overrun if increment makes (put==get). */
|
|
if (put == k->k_tbget) {
|
|
log(LOG_WARNING, "%s: output overrun\n",
|
|
k->k_dev.dv_xname);
|
|
} else {
|
|
/* OK, really increment. */
|
|
k->k_tbput = put;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Start the sending data from the output queue
|
|
* Called at spltty().
|
|
*/
|
|
void
|
|
kbd_start_tx(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
int get;
|
|
u_char c;
|
|
|
|
if (k->k_txflags & K_TXBUSY)
|
|
return;
|
|
|
|
/* Is there anything to send? */
|
|
get = k->k_tbget;
|
|
if (get == k->k_tbput) {
|
|
/* Nothing to send. Wake drain waiters. */
|
|
if (k->k_txflags & K_TXWANT) {
|
|
k->k_txflags &= ~K_TXWANT;
|
|
wakeup((caddr_t)&k->k_txflags);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Have something to send. */
|
|
c = k->k_tbuf[get];
|
|
get = (get + 1) & KBD_TX_RING_MASK;
|
|
k->k_tbget = get;
|
|
k->k_txflags |= K_TXBUSY;
|
|
|
|
k->k_write_data(k, c);
|
|
}
|
|
|
|
/*
|
|
* Called at spltty by:
|
|
* kbd_update_leds, kbd_iocsled
|
|
*/
|
|
static void
|
|
kbd_set_leds(k, new_leds)
|
|
struct kbd_softc *k;
|
|
int new_leds;
|
|
{
|
|
struct kbd_state *ks = &k->k_state;
|
|
|
|
/* Don't send unless state changes. */
|
|
if (ks->kbd_leds == new_leds)
|
|
return;
|
|
|
|
ks->kbd_leds = new_leds;
|
|
|
|
/* Only type 4 and later has LEDs anyway. */
|
|
if (ks->kbd_id < KB_SUN4)
|
|
return;
|
|
|
|
kbd_output(k, KBD_CMD_SETLED);
|
|
kbd_output(k, new_leds);
|
|
kbd_start_tx(k);
|
|
}
|
|
|
|
/*
|
|
* Called at spltty by:
|
|
* kbd_input_keysym
|
|
*/
|
|
static void
|
|
kbd_update_leds(k)
|
|
struct kbd_softc *k;
|
|
{
|
|
struct kbd_state *ks = &k->k_state;
|
|
char leds;
|
|
|
|
leds = ks->kbd_leds;
|
|
leds &= ~(LED_CAPS_LOCK|LED_NUM_LOCK);
|
|
|
|
if (ks->kbd_modbits & (1 << KBMOD_CAPSLOCK))
|
|
leds |= LED_CAPS_LOCK;
|
|
if (ks->kbd_modbits & (1 << KBMOD_NUMLOCK))
|
|
leds |= LED_NUM_LOCK;
|
|
|
|
kbd_set_leds(k, leds);
|
|
}
|