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/*
* Copyright (c) 2006 Josef Cejka
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @addtogroup kbdgen generic
* @brief HelenOS generic uspace keyboard handler.
* @ingroup kbd
* @{
*/
/** @file
*/
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <sysinfo.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <ipc/ns.h>
#include <async.h>
#include <errno.h>
#include <adt/fifo.h>
#include <io/console.h>
#include <io/keycode.h>
#include <kbd.h>
#include <keybuffer.h>
#include <kbd_port.h>
#include <kbd_ctl.h>
#include <layout.h>
#define NAME "kbd"
int cons_connected = 0;
int phone2cons = -1;
keybuffer_t keybuffer;
/** Currently active modifiers. */
static unsigned mods = KM_NUM_LOCK;
/** Currently pressed lock keys. We track these to tackle autorepeat. */
static unsigned lock_keys;
int cir_service = 0;
int cir_phone = -1;
#define NUM_LAYOUTS 3
static layout_op_t *layout[NUM_LAYOUTS] = {
&us_qwerty_op,
&us_dvorak_op,
&cz_op
};
static int active_layout = 0;
void kbd_push_scancode(int scancode)
{
/* printf("scancode: 0x%x\n", scancode);*/
kbd_ctl_parse_scancode(scancode);
}
void kbd_push_ev(int type, unsigned int key)
{
console_event_t ev;
unsigned mod_mask;
switch (key) {
case KC_LCTRL: mod_mask = KM_LCTRL; break;
case KC_RCTRL: mod_mask = KM_RCTRL; break;
case KC_LSHIFT: mod_mask = KM_LSHIFT; break;
case KC_RSHIFT: mod_mask = KM_RSHIFT; break;
case KC_LALT: mod_mask = KM_LALT; break;
case KC_RALT: mod_mask = KM_RALT; break;
default: mod_mask = 0; break;
}
if (mod_mask != 0) {
if (type == KEY_PRESS)
mods = mods | mod_mask;
else
mods = mods & ~mod_mask;
}
switch (key) {
case KC_CAPS_LOCK: mod_mask = KM_CAPS_LOCK; break;
case KC_NUM_LOCK: mod_mask = KM_NUM_LOCK; break;
case KC_SCROLL_LOCK: mod_mask = KM_SCROLL_LOCK; break;
default: mod_mask = 0; break;
}
if (mod_mask != 0) {
if (type == KEY_PRESS) {
/*
* Only change lock state on transition from released
* to pressed. This prevents autorepeat from messing
* up the lock state.
*/
mods = mods ^ (mod_mask & ~lock_keys);
lock_keys = lock_keys | mod_mask;
} else {
lock_keys = lock_keys & ~mod_mask;
}
}
/*
printf("type: %d\n", type);
printf("mods: 0x%x\n", mods);
printf("keycode: %u\n", key);
*/
if (type == KEY_PRESS && (mods & KM_LCTRL) &&
key == KC_F1) {
active_layout = 0;
layout[active_layout]->reset();
return;
}
if (type == KEY_PRESS && (mods & KM_LCTRL) &&
key == KC_F2) {
active_layout = 1;
layout[active_layout]->reset();
return;
}
if (type == KEY_PRESS && (mods & KM_LCTRL) &&
key == KC_F3) {
active_layout = 2;
layout[active_layout]->reset();
return;
}
ev.type = type;
ev.key = key;
ev.mods = mods;
ev.c = layout[active_layout]->parse_ev(&ev);
async_msg_4(phone2cons, KBD_EVENT, ev.type, ev.key, ev.mods, ev.c);
}
static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
{
ipc_callid_t callid;
ipc_call_t call;
int retval;
if (cons_connected) {
ipc_answer_0(iid, ELIMIT);
return;
}
cons_connected = 1;
ipc_answer_0(iid, EOK);
while (1) {
callid = async_get_call(&call);
switch (IPC_GET_METHOD(call)) {
case IPC_M_PHONE_HUNGUP:
cons_connected = 0;
ipc_hangup(phone2cons);
phone2cons = -1;
ipc_answer_0(callid, EOK);
return;
case IPC_M_CONNECT_TO_ME:
if (phone2cons != -1) {
retval = ELIMIT;
break;
}
phone2cons = IPC_GET_ARG5(call);
retval = 0;
break;
case KBD_YIELD:
kbd_port_yield();
retval = 0;
break;
case KBD_RECLAIM:
kbd_port_reclaim();
retval = 0;
break;
default:
retval = EINVAL;
}
ipc_answer_0(callid, retval);
}
}
int main(int argc, char **argv)
{
printf(NAME ": HelenOS Keyboard service\n");
ipcarg_t phonead;
if (sysinfo_value("kbd.cir.fhc") == 1)
cir_service = SERVICE_FHC;
else if (sysinfo_value("kbd.cir.obio") == 1)
cir_service = SERVICE_OBIO;
if (cir_service) {
while (cir_phone < 0) {
cir_phone = ipc_connect_me_to_blocking(PHONE_NS, cir_service,
0, 0);
}
}
/* Initialize port driver. */
if (kbd_port_init() != 0)
return -1;
/* Initialize controller driver. */
if (kbd_ctl_init() != 0)
return -1;
/* Initialize (reset) layout. */
layout[active_layout]->reset();
/* Initialize key buffer */
keybuffer_init(&keybuffer);
async_set_client_connection(console_connection);
/* Register service at nameserver. */
if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, 0, &phonead) != 0)
return -1;
printf(NAME ": Accepting connections\n");
async_manager();
/* Not reached. */
return 0;
}
/**
* @}
*/