1434 lines
32 KiB
C
1434 lines
32 KiB
C
/*
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* kbdmux.c
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*/
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $Id: kbdmux.c,v 1.4 2005/07/14 17:38:35 max Exp $
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*/
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#include "opt_evdev.h"
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#include "opt_kbd.h"
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#include "opt_kbdmux.h"
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/consio.h>
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#include <sys/fcntl.h>
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#include <sys/kbio.h>
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#include <sys/kernel.h>
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#include <sys/limits.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/poll.h>
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <sys/selinfo.h>
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#include <sys/systm.h>
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#include <sys/taskqueue.h>
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#include <sys/uio.h>
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#include <dev/kbd/kbdreg.h>
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/* the initial key map, accent map and fkey strings */
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#ifdef KBDMUX_DFLT_KEYMAP
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#define KBD_DFLT_KEYMAP
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#include "kbdmuxmap.h"
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#endif
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#include <dev/kbd/kbdtables.h>
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#ifdef EVDEV_SUPPORT
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#include <dev/evdev/evdev.h>
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#include <dev/evdev/input.h>
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#endif
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#define KEYBOARD_NAME "kbdmux"
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MALLOC_DECLARE(M_KBDMUX);
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MALLOC_DEFINE(M_KBDMUX, KEYBOARD_NAME, "Keyboard multiplexor");
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/*****************************************************************************
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*****************************************************************************
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** Keyboard state
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*****************************************************************************
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*****************************************************************************/
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#define KBDMUX_Q_SIZE 512 /* input queue size */
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/*
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* XXX
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* For now rely on Giant mutex to protect our data structures.
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* Just like the rest of keyboard drivers and syscons(4) do.
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* Note that callout is initialized as not MP-safe to make sure
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* Giant is held.
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*/
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#if 0 /* not yet */
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#define KBDMUX_LOCK_DECL_GLOBAL \
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struct mtx ks_lock
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#define KBDMUX_LOCK_INIT(s) \
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mtx_init(&(s)->ks_lock, "kbdmux", NULL, MTX_DEF|MTX_RECURSE)
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#define KBDMUX_LOCK_DESTROY(s) \
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mtx_destroy(&(s)->ks_lock)
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#define KBDMUX_LOCK(s) \
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mtx_lock(&(s)->ks_lock)
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#define KBDMUX_UNLOCK(s) \
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mtx_unlock(&(s)->ks_lock)
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#define KBDMUX_LOCK_ASSERT(s, w) \
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mtx_assert(&(s)->ks_lock, (w))
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#else
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#define KBDMUX_LOCK_DECL_GLOBAL
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#define KBDMUX_LOCK_INIT(s)
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#define KBDMUX_LOCK_DESTROY(s)
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#define KBDMUX_LOCK(s)
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#define KBDMUX_UNLOCK(s)
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#define KBDMUX_LOCK_ASSERT(s, w)
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#endif /* not yet */
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/*
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* kbdmux keyboard
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*/
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struct kbdmux_kbd
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{
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keyboard_t *kbd; /* keyboard */
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SLIST_ENTRY(kbdmux_kbd) next; /* link to next */
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};
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typedef struct kbdmux_kbd kbdmux_kbd_t;
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/*
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* kbdmux state
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*/
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struct kbdmux_state
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{
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char ks_inq[KBDMUX_Q_SIZE]; /* input chars queue */
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unsigned int ks_inq_start;
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unsigned int ks_inq_length;
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struct task ks_task; /* interrupt task */
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struct callout ks_timo; /* timeout handler */
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#define TICKS (hz) /* rate */
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int ks_flags; /* flags */
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#define COMPOSE (1 << 0) /* compose char flag */
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int ks_polling; /* poll nesting count */
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int ks_mode; /* K_XLATE, K_RAW, K_CODE */
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int ks_state; /* state */
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int ks_accents; /* accent key index (> 0) */
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u_int ks_composed_char; /* composed char code */
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u_char ks_prefix; /* AT scan code prefix */
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#ifdef EVDEV_SUPPORT
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struct evdev_dev * ks_evdev;
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int ks_evdev_state;
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#endif
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SLIST_HEAD(, kbdmux_kbd) ks_kbds; /* keyboards */
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KBDMUX_LOCK_DECL_GLOBAL;
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};
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typedef struct kbdmux_state kbdmux_state_t;
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/*****************************************************************************
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*****************************************************************************
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** Helper functions
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*****************************************************************************
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*****************************************************************************/
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static task_fn_t kbdmux_kbd_intr;
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static callout_func_t kbdmux_kbd_intr_timo;
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static kbd_callback_func_t kbdmux_kbd_event;
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static void
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kbdmux_kbd_putc(kbdmux_state_t *state, char c)
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{
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unsigned int p;
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if (state->ks_inq_length == KBDMUX_Q_SIZE)
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return;
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p = (state->ks_inq_start + state->ks_inq_length) % KBDMUX_Q_SIZE;
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state->ks_inq[p] = c;
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state->ks_inq_length++;
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}
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static int
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kbdmux_kbd_getc(kbdmux_state_t *state)
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{
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unsigned char c;
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if (state->ks_inq_length == 0)
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return (-1);
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c = state->ks_inq[state->ks_inq_start];
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state->ks_inq_start = (state->ks_inq_start + 1) % KBDMUX_Q_SIZE;
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state->ks_inq_length--;
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return (c);
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}
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/*
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* Interrupt handler task
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*/
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void
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kbdmux_kbd_intr(void *xkbd, int pending)
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{
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keyboard_t *kbd = (keyboard_t *) xkbd;
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kbdd_intr(kbd, NULL);
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}
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/*
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* Schedule interrupt handler on timeout. Called with locked state.
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*/
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void
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kbdmux_kbd_intr_timo(void *xstate)
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{
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kbdmux_state_t *state = (kbdmux_state_t *) xstate;
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/* queue interrupt task if needed */
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if (state->ks_inq_length > 0)
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taskqueue_enqueue(taskqueue_swi_giant, &state->ks_task);
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/* re-schedule timeout */
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callout_schedule(&state->ks_timo, TICKS);
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}
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/*
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* Process event from one of our keyboards
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*/
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static int
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kbdmux_kbd_event(keyboard_t *kbd, int event, void *arg)
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{
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kbdmux_state_t *state = (kbdmux_state_t *) arg;
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switch (event) {
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case KBDIO_KEYINPUT: {
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int c;
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KBDMUX_LOCK(state);
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/*
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* Read all chars from the keyboard
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*
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* Turns out that atkbd(4) check_char() method may return
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* "true" while read_char() method returns NOKEY. If this
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* happens we could stuck in the loop below. Avoid this
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* by breaking out of the loop if read_char() method returns
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* NOKEY.
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*/
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while (kbdd_check_char(kbd)) {
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c = kbdd_read_char(kbd, 0);
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if (c == NOKEY)
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break;
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if (c == ERRKEY)
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continue; /* XXX ring bell */
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if (!KBD_IS_BUSY(kbd))
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continue; /* not open - discard the input */
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kbdmux_kbd_putc(state, c);
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}
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/* queue interrupt task if needed */
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if (state->ks_inq_length > 0)
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taskqueue_enqueue(taskqueue_swi_giant, &state->ks_task);
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KBDMUX_UNLOCK(state);
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} break;
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case KBDIO_UNLOADING: {
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kbdmux_kbd_t *k;
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KBDMUX_LOCK(state);
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SLIST_FOREACH(k, &state->ks_kbds, next)
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if (k->kbd == kbd)
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break;
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if (k != NULL) {
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kbd_release(k->kbd, &k->kbd);
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SLIST_REMOVE(&state->ks_kbds, k, kbdmux_kbd, next);
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k->kbd = NULL;
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free(k, M_KBDMUX);
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}
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KBDMUX_UNLOCK(state);
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} break;
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default:
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return (EINVAL);
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/* NOT REACHED */
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}
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return (0);
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}
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/****************************************************************************
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****************************************************************************
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** Keyboard driver
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****************************************************************************
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****************************************************************************/
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static int kbdmux_configure(int flags);
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static kbd_probe_t kbdmux_probe;
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static kbd_init_t kbdmux_init;
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static kbd_term_t kbdmux_term;
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static kbd_intr_t kbdmux_intr;
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static kbd_test_if_t kbdmux_test_if;
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static kbd_enable_t kbdmux_enable;
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static kbd_disable_t kbdmux_disable;
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static kbd_read_t kbdmux_read;
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static kbd_check_t kbdmux_check;
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static kbd_read_char_t kbdmux_read_char;
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static kbd_check_char_t kbdmux_check_char;
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static kbd_ioctl_t kbdmux_ioctl;
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static kbd_lock_t kbdmux_lock;
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static void kbdmux_clear_state_locked(kbdmux_state_t *state);
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static kbd_clear_state_t kbdmux_clear_state;
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static kbd_get_state_t kbdmux_get_state;
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static kbd_set_state_t kbdmux_set_state;
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static kbd_poll_mode_t kbdmux_poll;
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static keyboard_switch_t kbdmuxsw = {
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.probe = kbdmux_probe,
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.init = kbdmux_init,
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.term = kbdmux_term,
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.intr = kbdmux_intr,
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.test_if = kbdmux_test_if,
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.enable = kbdmux_enable,
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.disable = kbdmux_disable,
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.read = kbdmux_read,
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.check = kbdmux_check,
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.read_char = kbdmux_read_char,
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.check_char = kbdmux_check_char,
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.ioctl = kbdmux_ioctl,
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.lock = kbdmux_lock,
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.clear_state = kbdmux_clear_state,
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.get_state = kbdmux_get_state,
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.set_state = kbdmux_set_state,
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.poll = kbdmux_poll,
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};
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#ifdef EVDEV_SUPPORT
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static evdev_event_t kbdmux_ev_event;
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static const struct evdev_methods kbdmux_evdev_methods = {
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.ev_event = kbdmux_ev_event,
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};
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#endif
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/*
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* Return the number of found keyboards
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*/
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static int
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kbdmux_configure(int flags)
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{
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return (1);
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}
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/*
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* Detect a keyboard
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*/
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static int
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kbdmux_probe(int unit, void *arg, int flags)
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{
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if (resource_disabled(KEYBOARD_NAME, unit))
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return (ENXIO);
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return (0);
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}
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/*
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* Reset and initialize the keyboard (stolen from atkbd.c)
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*/
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static int
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kbdmux_init(int unit, keyboard_t **kbdp, void *arg, int flags)
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{
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keyboard_t *kbd = NULL;
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kbdmux_state_t *state = NULL;
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keymap_t *keymap = NULL;
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accentmap_t *accmap = NULL;
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fkeytab_t *fkeymap = NULL;
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int error, needfree, fkeymap_size, delay[2];
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#ifdef EVDEV_SUPPORT
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struct evdev_dev *evdev;
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char phys_loc[NAMELEN];
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#endif
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if (*kbdp == NULL) {
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*kbdp = kbd = malloc(sizeof(*kbd), M_KBDMUX, M_NOWAIT | M_ZERO);
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state = malloc(sizeof(*state), M_KBDMUX, M_NOWAIT | M_ZERO);
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keymap = malloc(sizeof(key_map), M_KBDMUX, M_NOWAIT);
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accmap = malloc(sizeof(accent_map), M_KBDMUX, M_NOWAIT);
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fkeymap = malloc(sizeof(fkey_tab), M_KBDMUX, M_NOWAIT);
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fkeymap_size = sizeof(fkey_tab)/sizeof(fkey_tab[0]);
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needfree = 1;
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if ((kbd == NULL) || (state == NULL) || (keymap == NULL) ||
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(accmap == NULL) || (fkeymap == NULL)) {
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error = ENOMEM;
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goto bad;
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}
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KBDMUX_LOCK_INIT(state);
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TASK_INIT(&state->ks_task, 0, kbdmux_kbd_intr, (void *) kbd);
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callout_init(&state->ks_timo, 1);
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SLIST_INIT(&state->ks_kbds);
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} else if (KBD_IS_INITIALIZED(*kbdp) && KBD_IS_CONFIGURED(*kbdp)) {
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return (0);
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} else {
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kbd = *kbdp;
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state = (kbdmux_state_t *) kbd->kb_data;
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keymap = kbd->kb_keymap;
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accmap = kbd->kb_accentmap;
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fkeymap = kbd->kb_fkeytab;
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fkeymap_size = kbd->kb_fkeytab_size;
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needfree = 0;
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}
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|
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if (!KBD_IS_PROBED(kbd)) {
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/* XXX assume 101/102 keys keyboard */
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kbd_init_struct(kbd, KEYBOARD_NAME, KB_101, unit, flags, 0, 0);
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bcopy(&key_map, keymap, sizeof(key_map));
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bcopy(&accent_map, accmap, sizeof(accent_map));
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bcopy(fkey_tab, fkeymap,
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imin(fkeymap_size*sizeof(fkeymap[0]), sizeof(fkey_tab)));
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kbd_set_maps(kbd, keymap, accmap, fkeymap, fkeymap_size);
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kbd->kb_data = (void *)state;
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|
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KBD_FOUND_DEVICE(kbd);
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KBD_PROBE_DONE(kbd);
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KBDMUX_LOCK(state);
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kbdmux_clear_state_locked(state);
|
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state->ks_mode = K_XLATE;
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KBDMUX_UNLOCK(state);
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}
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|
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if (!KBD_IS_INITIALIZED(kbd) && !(flags & KB_CONF_PROBE_ONLY)) {
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kbd->kb_config = flags & ~KB_CONF_PROBE_ONLY;
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|
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kbdmux_ioctl(kbd, KDSETLED, (caddr_t)&state->ks_state);
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|
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delay[0] = kbd->kb_delay1;
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delay[1] = kbd->kb_delay2;
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kbdmux_ioctl(kbd, KDSETREPEAT, (caddr_t)delay);
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|
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#ifdef EVDEV_SUPPORT
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/* register as evdev provider */
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evdev = evdev_alloc();
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evdev_set_name(evdev, "System keyboard multiplexer");
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snprintf(phys_loc, NAMELEN, KEYBOARD_NAME"%d", unit);
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evdev_set_phys(evdev, phys_loc);
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evdev_set_id(evdev, BUS_VIRTUAL, 0, 0, 0);
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evdev_set_methods(evdev, kbd, &kbdmux_evdev_methods);
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evdev_support_event(evdev, EV_SYN);
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evdev_support_event(evdev, EV_KEY);
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evdev_support_event(evdev, EV_LED);
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evdev_support_event(evdev, EV_REP);
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evdev_support_all_known_keys(evdev);
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evdev_support_led(evdev, LED_NUML);
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evdev_support_led(evdev, LED_CAPSL);
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evdev_support_led(evdev, LED_SCROLLL);
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if (evdev_register_mtx(evdev, &Giant))
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evdev_free(evdev);
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else
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state->ks_evdev = evdev;
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state->ks_evdev_state = 0;
|
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#endif
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|
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KBD_INIT_DONE(kbd);
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}
|
|
|
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if (!KBD_IS_CONFIGURED(kbd)) {
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if (kbd_register(kbd) < 0) {
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error = ENXIO;
|
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goto bad;
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}
|
|
|
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KBD_CONFIG_DONE(kbd);
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callout_reset(&state->ks_timo, TICKS, kbdmux_kbd_intr_timo, state);
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}
|
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|
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return (0);
|
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bad:
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if (needfree) {
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if (state != NULL)
|
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free(state, M_KBDMUX);
|
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if (keymap != NULL)
|
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free(keymap, M_KBDMUX);
|
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if (accmap != NULL)
|
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free(accmap, M_KBDMUX);
|
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if (fkeymap != NULL)
|
|
free(fkeymap, M_KBDMUX);
|
|
if (kbd != NULL) {
|
|
free(kbd, M_KBDMUX);
|
|
*kbdp = NULL; /* insure ref doesn't leak to caller */
|
|
}
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Finish using this keyboard
|
|
*/
|
|
static int
|
|
kbdmux_term(keyboard_t *kbd)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
kbdmux_kbd_t *k;
|
|
|
|
/* release all keyboards from the mux */
|
|
KBDMUX_LOCK(state);
|
|
while ((k = SLIST_FIRST(&state->ks_kbds)) != NULL) {
|
|
kbd_release(k->kbd, &k->kbd);
|
|
SLIST_REMOVE_HEAD(&state->ks_kbds, next);
|
|
|
|
k->kbd = NULL;
|
|
|
|
free(k, M_KBDMUX);
|
|
}
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
callout_drain(&state->ks_timo);
|
|
taskqueue_drain(taskqueue_swi_giant, &state->ks_task);
|
|
|
|
kbd_unregister(kbd);
|
|
|
|
#ifdef EVDEV_SUPPORT
|
|
evdev_free(state->ks_evdev);
|
|
#endif
|
|
|
|
KBDMUX_LOCK_DESTROY(state);
|
|
bzero(state, sizeof(*state));
|
|
free(state, M_KBDMUX);
|
|
|
|
free(kbd->kb_keymap, M_KBDMUX);
|
|
free(kbd->kb_accentmap, M_KBDMUX);
|
|
free(kbd->kb_fkeytab, M_KBDMUX);
|
|
free(kbd, M_KBDMUX);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Keyboard interrupt routine
|
|
*/
|
|
static int
|
|
kbdmux_intr(keyboard_t *kbd, void *arg)
|
|
{
|
|
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 = kbdmux_read_char(kbd, FALSE);
|
|
} while (c != NOKEY);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Test the interface to the device
|
|
*/
|
|
static int
|
|
kbdmux_test_if(keyboard_t *kbd)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Enable the access to the device; until this function is called,
|
|
* the client cannot read from the keyboard.
|
|
*/
|
|
static int
|
|
kbdmux_enable(keyboard_t *kbd)
|
|
{
|
|
KBD_ACTIVATE(kbd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Disallow the access to the device
|
|
*/
|
|
static int
|
|
kbdmux_disable(keyboard_t *kbd)
|
|
{
|
|
KBD_DEACTIVATE(kbd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Read one byte from the keyboard if it's allowed
|
|
*/
|
|
static int
|
|
kbdmux_read(keyboard_t *kbd, int wait)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
int c;
|
|
|
|
KBDMUX_LOCK(state);
|
|
c = kbdmux_kbd_getc(state);
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
if (c != -1)
|
|
kbd->kb_count ++;
|
|
|
|
return (KBD_IS_ACTIVE(kbd)? c : -1);
|
|
}
|
|
|
|
/*
|
|
* Check if data is waiting
|
|
*/
|
|
static int
|
|
kbdmux_check(keyboard_t *kbd)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
int ready;
|
|
|
|
if (!KBD_IS_ACTIVE(kbd))
|
|
return (FALSE);
|
|
|
|
KBDMUX_LOCK(state);
|
|
ready = (state->ks_inq_length > 0) ? TRUE : FALSE;
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (ready);
|
|
}
|
|
|
|
/*
|
|
* Read char from the keyboard (stolen from atkbd.c)
|
|
*/
|
|
static u_int
|
|
kbdmux_read_char(keyboard_t *kbd, int wait)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
u_int action;
|
|
int scancode, keycode;
|
|
|
|
KBDMUX_LOCK(state);
|
|
|
|
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) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (ERRKEY);
|
|
}
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (action);
|
|
}
|
|
|
|
/* see if there is something in the keyboard queue */
|
|
scancode = kbdmux_kbd_getc(state);
|
|
if (scancode == -1) {
|
|
if (state->ks_polling != 0) {
|
|
kbdmux_kbd_t *k;
|
|
|
|
SLIST_FOREACH(k, &state->ks_kbds, next) {
|
|
while (kbdd_check_char(k->kbd)) {
|
|
scancode = kbdd_read_char(k->kbd, 0);
|
|
if (scancode == NOKEY)
|
|
break;
|
|
if (scancode == ERRKEY)
|
|
continue;
|
|
if (!KBD_IS_BUSY(k->kbd))
|
|
continue;
|
|
|
|
kbdmux_kbd_putc(state, scancode);
|
|
}
|
|
}
|
|
|
|
if (state->ks_inq_length > 0)
|
|
goto next_code;
|
|
}
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
return (NOKEY);
|
|
}
|
|
/* XXX FIXME: check for -1 if wait == 1! */
|
|
|
|
kbd->kb_count ++;
|
|
|
|
#ifdef EVDEV_SUPPORT
|
|
/* push evdev event */
|
|
if (evdev_rcpt_mask & EVDEV_RCPT_KBDMUX && state->ks_evdev != NULL) {
|
|
uint16_t key = evdev_scancode2key(&state->ks_evdev_state,
|
|
scancode);
|
|
|
|
if (key != KEY_RESERVED) {
|
|
evdev_push_event(state->ks_evdev, EV_KEY,
|
|
key, scancode & 0x80 ? 0 : 1);
|
|
evdev_sync(state->ks_evdev);
|
|
}
|
|
}
|
|
|
|
if (state->ks_evdev != NULL && evdev_is_grabbed(state->ks_evdev))
|
|
return (NOKEY);
|
|
#endif
|
|
|
|
/* return the byte as is for the K_RAW mode */
|
|
if (state->ks_mode == K_RAW) {
|
|
KBDMUX_UNLOCK(state);
|
|
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 0x46: /* ctrl-pause/break on AT 101 (see below) */
|
|
keycode = 0x68;
|
|
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;
|
|
case 0x5e: /* power key */
|
|
keycode = 0x6d;
|
|
break;
|
|
case 0x5f: /* sleep key */
|
|
keycode = 0x6e;
|
|
break;
|
|
case 0x63: /* wake key */
|
|
keycode = 0x6f;
|
|
break;
|
|
case 0x64: /* [JP106USB] backslash, underscore */
|
|
keycode = 0x73;
|
|
break;
|
|
default: /* ignore everything else */
|
|
goto next_code;
|
|
}
|
|
break;
|
|
case 0xE1: /* 0xE1 prefix */
|
|
/*
|
|
* The pause/break key on the 101 keyboard produces:
|
|
* E1-1D-45 E1-9D-C5
|
|
* Ctrl-pause/break produces:
|
|
* E0-46 E0-C6 (See above.)
|
|
*/
|
|
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;
|
|
}
|
|
|
|
/* XXX assume 101/102 keys AT keyboard */
|
|
switch (keycode) {
|
|
case 0x5c: /* print screen */
|
|
if (state->ks_flags & ALTS)
|
|
keycode = 0x54; /* sysrq */
|
|
break;
|
|
case 0x68: /* pause/break */
|
|
if (state->ks_flags & CTLS)
|
|
keycode = 0x6c; /* break */
|
|
break;
|
|
}
|
|
|
|
/* return the key code in the K_CODE mode */
|
|
if (state->ks_mode == K_CODE) {
|
|
KBDMUX_UNLOCK(state);
|
|
return (keycode | (scancode & 0x80));
|
|
}
|
|
|
|
/* compose a character code */
|
|
if (state->ks_flags & COMPOSE) {
|
|
switch (keycode | (scancode & 0x80)) {
|
|
/* key pressed, process it */
|
|
case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
|
|
state->ks_composed_char *= 10;
|
|
state->ks_composed_char += keycode - 0x40;
|
|
if (state->ks_composed_char > UCHAR_MAX) {
|
|
KBDMUX_UNLOCK(state);
|
|
return (ERRKEY);
|
|
}
|
|
goto next_code;
|
|
case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
|
|
state->ks_composed_char *= 10;
|
|
state->ks_composed_char += keycode - 0x47;
|
|
if (state->ks_composed_char > UCHAR_MAX) {
|
|
KBDMUX_UNLOCK(state);
|
|
return (ERRKEY);
|
|
}
|
|
goto next_code;
|
|
case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
|
|
state->ks_composed_char *= 10;
|
|
state->ks_composed_char += keycode - 0x4E;
|
|
if (state->ks_composed_char > UCHAR_MAX) {
|
|
KBDMUX_UNLOCK(state);
|
|
return (ERRKEY);
|
|
}
|
|
goto next_code;
|
|
case 0x52: /* keypad 0 */
|
|
state->ks_composed_char *= 10;
|
|
if (state->ks_composed_char > UCHAR_MAX) {
|
|
KBDMUX_UNLOCK(state);
|
|
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;
|
|
KBDMUX_UNLOCK(state);
|
|
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;
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (action);
|
|
}
|
|
|
|
/*
|
|
* Check if char is waiting
|
|
*/
|
|
static int
|
|
kbdmux_check_char(keyboard_t *kbd)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
int ready;
|
|
|
|
if (!KBD_IS_ACTIVE(kbd))
|
|
return (FALSE);
|
|
|
|
KBDMUX_LOCK(state);
|
|
|
|
if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char != 0))
|
|
ready = TRUE;
|
|
else
|
|
ready = (state->ks_inq_length > 0) ? TRUE : FALSE;
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (ready);
|
|
}
|
|
|
|
/*
|
|
* Keyboard ioctl's
|
|
*/
|
|
static int
|
|
kbdmux_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
kbdmux_kbd_t *k;
|
|
keyboard_info_t *ki;
|
|
int error = 0, mode;
|
|
#ifdef COMPAT_FREEBSD6
|
|
int ival;
|
|
#endif
|
|
|
|
if (state == NULL)
|
|
return (ENXIO);
|
|
|
|
switch (cmd) {
|
|
case KBADDKBD: /* add keyboard to the mux */
|
|
ki = (keyboard_info_t *) arg;
|
|
|
|
if (ki == NULL || ki->kb_unit < 0 || ki->kb_name[0] == '\0' ||
|
|
strcmp(ki->kb_name, "*") == 0)
|
|
return (EINVAL); /* bad input */
|
|
|
|
KBDMUX_LOCK(state);
|
|
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
if (k->kbd->kb_unit == ki->kb_unit &&
|
|
strcmp(k->kbd->kb_name, ki->kb_name) == 0)
|
|
break;
|
|
|
|
if (k != NULL) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (0); /* keyboard already in the mux */
|
|
}
|
|
|
|
k = malloc(sizeof(*k), M_KBDMUX, M_NOWAIT | M_ZERO);
|
|
if (k == NULL) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (ENOMEM); /* out of memory */
|
|
}
|
|
|
|
k->kbd = kbd_get_keyboard(
|
|
kbd_allocate(
|
|
ki->kb_name,
|
|
ki->kb_unit,
|
|
(void *) &k->kbd,
|
|
kbdmux_kbd_event, (void *) state));
|
|
if (k->kbd == NULL) {
|
|
KBDMUX_UNLOCK(state);
|
|
free(k, M_KBDMUX);
|
|
|
|
return (EINVAL); /* bad keyboard */
|
|
}
|
|
|
|
kbdd_enable(k->kbd);
|
|
kbdd_clear_state(k->kbd);
|
|
|
|
/* set K_RAW mode on slave keyboard */
|
|
mode = K_RAW;
|
|
error = kbdd_ioctl(k->kbd, KDSKBMODE, (caddr_t)&mode);
|
|
if (error == 0) {
|
|
/* set lock keys state on slave keyboard */
|
|
mode = state->ks_state & LOCK_MASK;
|
|
error = kbdd_ioctl(k->kbd, KDSKBSTATE, (caddr_t)&mode);
|
|
}
|
|
|
|
if (error != 0) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
kbd_release(k->kbd, &k->kbd);
|
|
k->kbd = NULL;
|
|
|
|
free(k, M_KBDMUX);
|
|
|
|
return (error); /* could not set mode */
|
|
}
|
|
|
|
SLIST_INSERT_HEAD(&state->ks_kbds, k, next);
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
case KBRELKBD: /* release keyboard from the mux */
|
|
ki = (keyboard_info_t *) arg;
|
|
|
|
if (ki == NULL || ki->kb_unit < 0 || ki->kb_name[0] == '\0' ||
|
|
strcmp(ki->kb_name, "*") == 0)
|
|
return (EINVAL); /* bad input */
|
|
|
|
KBDMUX_LOCK(state);
|
|
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
if (k->kbd->kb_unit == ki->kb_unit &&
|
|
strcmp(k->kbd->kb_name, ki->kb_name) == 0)
|
|
break;
|
|
|
|
if (k != NULL) {
|
|
error = kbd_release(k->kbd, &k->kbd);
|
|
if (error == 0) {
|
|
SLIST_REMOVE(&state->ks_kbds, k, kbdmux_kbd, next);
|
|
|
|
k->kbd = NULL;
|
|
|
|
free(k, M_KBDMUX);
|
|
}
|
|
} else
|
|
error = ENXIO; /* keyboard is not in the mux */
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
case KDGKBMODE: /* get kyboard mode */
|
|
KBDMUX_LOCK(state);
|
|
*(int *)arg = state->ks_mode;
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
#ifdef COMPAT_FREEBSD6
|
|
case _IO('K', 7):
|
|
ival = IOCPARM_IVAL(arg);
|
|
arg = (caddr_t)&ival;
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
case KDSKBMODE: /* set keyboard mode */
|
|
KBDMUX_LOCK(state);
|
|
|
|
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);
|
|
}
|
|
/* FALLTHROUGH */
|
|
|
|
case K_RAW:
|
|
case K_CODE:
|
|
if (state->ks_mode != *(int *)arg) {
|
|
kbdmux_clear_state_locked(state);
|
|
state->ks_mode = *(int *)arg;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
case KDGETLED: /* get keyboard LED */
|
|
KBDMUX_LOCK(state);
|
|
*(int *)arg = KBD_LED_VAL(kbd);
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
#ifdef COMPAT_FREEBSD6
|
|
case _IO('K', 66):
|
|
ival = IOCPARM_IVAL(arg);
|
|
arg = (caddr_t)&ival;
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
case KDSETLED: /* set keyboard LED */
|
|
KBDMUX_LOCK(state);
|
|
|
|
/* NOTE: lock key state in ks_state won't be changed */
|
|
if (*(int *)arg & ~LOCK_MASK) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
KBD_LED_VAL(kbd) = *(int *)arg;
|
|
#ifdef EVDEV_SUPPORT
|
|
if (state->ks_evdev != NULL &&
|
|
evdev_rcpt_mask & EVDEV_RCPT_KBDMUX)
|
|
evdev_push_leds(state->ks_evdev, *(int *)arg);
|
|
#endif
|
|
/* KDSETLED on all slave keyboards */
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
(void)kbdd_ioctl(k->kbd, KDSETLED, arg);
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
case KDGKBSTATE: /* get lock key state */
|
|
KBDMUX_LOCK(state);
|
|
*(int *)arg = state->ks_state & LOCK_MASK;
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
#ifdef COMPAT_FREEBSD6
|
|
case _IO('K', 20):
|
|
ival = IOCPARM_IVAL(arg);
|
|
arg = (caddr_t)&ival;
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
case KDSKBSTATE: /* set lock key state */
|
|
KBDMUX_LOCK(state);
|
|
|
|
if (*(int *)arg & ~LOCK_MASK) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
state->ks_state &= ~LOCK_MASK;
|
|
state->ks_state |= *(int *)arg;
|
|
|
|
/* KDSKBSTATE on all slave keyboards */
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
(void)kbdd_ioctl(k->kbd, KDSKBSTATE, arg);
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (kbdmux_ioctl(kbd, KDSETLED, arg));
|
|
/* NOT REACHED */
|
|
|
|
#ifdef COMPAT_FREEBSD6
|
|
case _IO('K', 67):
|
|
cmd = KDSETRAD;
|
|
ival = IOCPARM_IVAL(arg);
|
|
arg = (caddr_t)&ival;
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
case KDSETREPEAT: /* set keyboard repeat rate (new interface) */
|
|
case KDSETRAD: /* set keyboard repeat rate (old interface) */
|
|
KBDMUX_LOCK(state);
|
|
|
|
if (cmd == KDSETREPEAT) {
|
|
int i;
|
|
|
|
/* lookup delay */
|
|
for (i = nitems(kbdelays) - 1; i > 0; i--)
|
|
if (((int *)arg)[0] >= kbdelays[i])
|
|
break;
|
|
mode = i << 5;
|
|
|
|
/* lookup rate */
|
|
for (i = nitems(kbrates) - 1; i > 0; i--)
|
|
if (((int *)arg)[1] >= kbrates[i])
|
|
break;
|
|
mode |= i;
|
|
} else
|
|
mode = *(int *)arg;
|
|
|
|
if (mode & ~0x7f) {
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
kbd->kb_delay1 = kbdelays[(mode >> 5) & 3];
|
|
kbd->kb_delay2 = kbrates[mode & 0x1f];
|
|
#ifdef EVDEV_SUPPORT
|
|
if (state->ks_evdev != NULL &&
|
|
evdev_rcpt_mask & EVDEV_RCPT_KBDMUX)
|
|
evdev_push_repeats(state->ks_evdev, kbd);
|
|
#endif
|
|
/* perform command on all slave keyboards */
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
(void)kbdd_ioctl(k->kbd, cmd, arg);
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
break;
|
|
|
|
case PIO_KEYMAP: /* set keyboard translation table */
|
|
case PIO_KEYMAPENT: /* set keyboard translation table entry */
|
|
case PIO_DEADKEYMAP: /* set accent key translation table */
|
|
#ifdef COMPAT_FREEBSD13
|
|
case OPIO_KEYMAP: /* set keyboard translation table (compat) */
|
|
case OPIO_DEADKEYMAP: /* set accent key translation table (compat) */
|
|
KBDMUX_LOCK(state);
|
|
state->ks_accents = 0;
|
|
#endif /* COMPAT_FREEBSD13 */
|
|
|
|
/* perform command on all slave keyboards */
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
(void)kbdd_ioctl(k->kbd, cmd, arg);
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
/* FALLTHROUGH */
|
|
|
|
default:
|
|
error = genkbd_commonioctl(kbd, cmd, arg);
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Lock the access to the keyboard
|
|
*/
|
|
static int
|
|
kbdmux_lock(keyboard_t *kbd, int lock)
|
|
{
|
|
return (1); /* XXX */
|
|
}
|
|
|
|
/*
|
|
* Clear the internal state of the keyboard
|
|
*/
|
|
static void
|
|
kbdmux_clear_state_locked(kbdmux_state_t *state)
|
|
{
|
|
KBDMUX_LOCK_ASSERT(state, MA_OWNED);
|
|
|
|
state->ks_flags &= ~COMPOSE;
|
|
state->ks_polling = 0;
|
|
state->ks_state &= LOCK_MASK; /* preserve locking key state */
|
|
state->ks_accents = 0;
|
|
state->ks_composed_char = 0;
|
|
/* state->ks_prefix = 0; XXX */
|
|
state->ks_inq_length = 0;
|
|
}
|
|
|
|
static void
|
|
kbdmux_clear_state(keyboard_t *kbd)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
|
|
KBDMUX_LOCK(state);
|
|
kbdmux_clear_state_locked(state);
|
|
KBDMUX_UNLOCK(state);
|
|
}
|
|
|
|
/*
|
|
* Save the internal state
|
|
*/
|
|
static int
|
|
kbdmux_get_state(keyboard_t *kbd, void *buf, size_t len)
|
|
{
|
|
if (len == 0)
|
|
return (sizeof(kbdmux_state_t));
|
|
if (len < sizeof(kbdmux_state_t))
|
|
return (-1);
|
|
|
|
bcopy(kbd->kb_data, buf, sizeof(kbdmux_state_t)); /* XXX locking? */
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Set the internal state
|
|
*/
|
|
static int
|
|
kbdmux_set_state(keyboard_t *kbd, void *buf, size_t len)
|
|
{
|
|
if (len < sizeof(kbdmux_state_t))
|
|
return (ENOMEM);
|
|
|
|
bcopy(buf, kbd->kb_data, sizeof(kbdmux_state_t)); /* XXX locking? */
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Set polling
|
|
*/
|
|
static int
|
|
kbdmux_poll(keyboard_t *kbd, int on)
|
|
{
|
|
kbdmux_state_t *state = (kbdmux_state_t *) kbd->kb_data;
|
|
kbdmux_kbd_t *k;
|
|
|
|
KBDMUX_LOCK(state);
|
|
|
|
if (on)
|
|
state->ks_polling++;
|
|
else
|
|
state->ks_polling--;
|
|
|
|
/* set poll on slave keyboards */
|
|
SLIST_FOREACH(k, &state->ks_kbds, next)
|
|
kbdd_poll(k->kbd, on);
|
|
|
|
KBDMUX_UNLOCK(state);
|
|
|
|
return (0);
|
|
}
|
|
|
|
#ifdef EVDEV_SUPPORT
|
|
static void
|
|
kbdmux_ev_event(struct evdev_dev *evdev, uint16_t type, uint16_t code,
|
|
int32_t value)
|
|
{
|
|
keyboard_t *kbd = evdev_get_softc(evdev);
|
|
|
|
if (evdev_rcpt_mask & EVDEV_RCPT_KBDMUX &&
|
|
(type == EV_LED || type == EV_REP)) {
|
|
mtx_lock(&Giant);
|
|
kbd_ev_event(kbd, type, code, value);
|
|
mtx_unlock(&Giant);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*****************************************************************************
|
|
*****************************************************************************
|
|
** Module
|
|
*****************************************************************************
|
|
*****************************************************************************/
|
|
|
|
KEYBOARD_DRIVER(kbdmux, kbdmuxsw, kbdmux_configure);
|
|
|
|
static int
|
|
kbdmux_modevent(module_t mod, int type, void *data)
|
|
{
|
|
keyboard_switch_t *sw;
|
|
keyboard_t *kbd;
|
|
int error;
|
|
|
|
switch (type) {
|
|
case MOD_LOAD:
|
|
if ((error = kbd_add_driver(&kbdmux_kbd_driver)) != 0)
|
|
break;
|
|
|
|
if ((sw = kbd_get_switch(KEYBOARD_NAME)) == NULL) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
|
|
kbd = NULL;
|
|
|
|
if ((error = (*sw->probe)(0, NULL, 0)) != 0 ||
|
|
(error = (*sw->init)(0, &kbd, NULL, 0)) != 0)
|
|
break;
|
|
|
|
#ifdef KBD_INSTALL_CDEV
|
|
if ((error = kbd_attach(kbd)) != 0) {
|
|
(*sw->term)(kbd);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
if ((error = (*sw->enable)(kbd)) != 0)
|
|
break;
|
|
break;
|
|
|
|
case MOD_UNLOAD:
|
|
if ((sw = kbd_get_switch(KEYBOARD_NAME)) == NULL) {
|
|
error = 0;
|
|
break;
|
|
}
|
|
|
|
kbd = kbd_get_keyboard(kbd_find_keyboard(KEYBOARD_NAME, 0));
|
|
if (kbd != NULL) {
|
|
(*sw->disable)(kbd);
|
|
#ifdef KBD_INSTALL_CDEV
|
|
kbd_detach(kbd);
|
|
#endif
|
|
(*sw->term)(kbd);
|
|
}
|
|
kbd_delete_driver(&kbdmux_kbd_driver);
|
|
error = 0;
|
|
break;
|
|
|
|
default:
|
|
error = EOPNOTSUPP;
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
DEV_MODULE(kbdmux, kbdmux_modevent, NULL);
|
|
#ifdef EVDEV_SUPPORT
|
|
MODULE_DEPEND(kbdmux, evdev, 1, 1, 1);
|
|
#endif
|