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1339 cejka 1 
/*
2071 jermar 2 
 * Copyright (c) 2006 Josef Cejka
1339 cejka 3 
 * 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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 *
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 * - 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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 * - 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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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1740 jermar 29 
/**
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 * @addtogroup kbdgen generic
1649 cejka 31 
 * @brief   HelenOS generic uspace keyboard handler.
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 * @ingroup  kbd
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 * @{
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 */
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/** @file
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 */
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1352 palkovsky 38 
#include <ipc/ipc.h>
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#include <ipc/services.h>
1339 cejka 40 
#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
1508 vana 43 
#include <stdio.h>
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#include <ipc/ns.h>
3905 svoboda 45 
#include <async.h>
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#include <errno.h>
3905 svoboda 47 
#include <libadt/fifo.h>
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#include <kbd/kbd.h>
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1339 cejka 50 
#include <arch/kbd.h>
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#include <kbd.h>
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#include <key_buffer.h>
1694 palkovsky 53 
#include <keys.h>
1339 cejka 54 
 
3082 decky 55 
#define NAME "kbd"
1447 cejka 56 
 
1610 palkovsky 57 
int cons_connected = 0;
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int phone2cons = -1;
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keybuffer_t keybuffer; 
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static void irq_handler(ipc_callid_t iid, ipc_call_t *call)
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{
3905 svoboda 63 
    kbd_event_t ev;
1694 palkovsky 64 
 
1707 palkovsky 65 
#ifdef MOUSE_ENABLED
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    if (mouse_arch_process(phone2cons, call))
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        return;
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#endif
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    kbd_arch_process(&keybuffer, call);
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1610 palkovsky 72 
    if (cons_connected && phone2cons != -1) {
2619 jermar 73 
        /*
3905 svoboda 74 
         * One interrupt can produce more than one event so the result
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         * is stored in a FIFO.
2619 jermar 76 
         */
1610 palkovsky 77 
        while (!keybuffer_empty(&keybuffer)) {
3905 svoboda 78 
            if (!keybuffer_pop(&keybuffer, &ev))
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                break;
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3905 svoboda 81 
            async_msg_4(phone2cons, KBD_EVENT, ev.type, ev.key,
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                ev.mods, ev.c);
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        }
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    }
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}
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static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
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{
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    ipc_callid_t callid;
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    ipc_call_t call;
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    int retval;
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    if (cons_connected) {
2619 jermar 94 
        ipc_answer_0(iid, ELIMIT);
1610 palkovsky 95 
        return;
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    }
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    cons_connected = 1;
2619 jermar 98 
    ipc_answer_0(iid, EOK);
1610 palkovsky 99 
 
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    while (1) {
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        callid = async_get_call(&call);
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        switch (IPC_GET_METHOD(call)) {
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        case IPC_M_PHONE_HUNGUP:
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            cons_connected = 0;
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            ipc_hangup(phone2cons);
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            phone2cons = -1;
2619 jermar 107 
            ipc_answer_0(callid, EOK);
1610 palkovsky 108 
            return;
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        case IPC_M_CONNECT_TO_ME:
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            if (phone2cons != -1) {
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                retval = ELIMIT;
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                break;
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            }
2637 cejka 114 
            phone2cons = IPC_GET_ARG5(call);
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            retval = 0;
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            break;
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        default:
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            retval = EINVAL;
1610 palkovsky 119 
        }
2619 jermar 120 
        ipc_answer_0(callid, retval);
1610 palkovsky 121 
    }  
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}
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1339 cejka 125 
int main(int argc, char **argv)
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{
3082 decky 127 
    printf(NAME ": HelenOS Keyboard service\n");
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1339 cejka 129 
    ipcarg_t phonead;
1508 vana 130 
 
1339 cejka 131 
    /* Initialize arch dependent parts */
1694 palkovsky 132 
    if (kbd_arch_init())
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        return -1;
1339 cejka 134 
 
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    /* Initialize key buffer */
1451 cejka 136 
    keybuffer_init(&keybuffer);
1339 cejka 137 
 
1640 palkovsky 138 
    async_set_client_connection(console_connection);
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    async_set_interrupt_received(irq_handler);
1339 cejka 140 
    /* Register service at nameserver */
2637 cejka 141 
    if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, 0, &phonead) != 0)
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        return -1;
3082 decky 143 
 
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    printf(NAME ": Accepting connections\n");
1610 palkovsky 145 
    async_manager();
1344 cejka 146 
 
1720 palkovsky 147 
    /* Never reached */
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    return 0;
1339 cejka 149 
}
1649 cejka 150 
 
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/**
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 * @}
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 */