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| 1339 | cejka | 1 | /* |
| 2 | * Copyright (C) 2006 Josef Cejka |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 1649 | cejka | 29 | /** @defgroup kbd Keyboard handler |
| 30 | * @brief HelenOS uspace keyboard handler. |
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| 31 | * @{ |
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| 32 | * @} |
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| 33 | */ |
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| 34 | /** @addtogroup kbdgen generic |
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| 35 | * @brief HelenOS generic uspace keyboard handler. |
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| 36 | * @ingroup kbd |
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| 37 | * @{ |
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| 38 | */ |
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| 39 | /** @file |
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| 40 | */ |
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| 41 | |||
| 1352 | palkovsky | 42 | #include <ipc/ipc.h> |
| 43 | #include <ipc/services.h> |
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| 1339 | cejka | 44 | #include <stdio.h> |
| 45 | #include <unistd.h> |
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| 46 | #include <stdlib.h> |
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| 1508 | vana | 47 | #include <stdio.h> |
| 1352 | palkovsky | 48 | #include <ipc/ns.h> |
| 1339 | cejka | 49 | #include <errno.h> |
| 50 | #include <arch/kbd.h> |
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| 51 | #include <kbd.h> |
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| 1445 | cejka | 52 | #include <libadt/fifo.h> |
| 1339 | cejka | 53 | #include <key_buffer.h> |
| 1610 | palkovsky | 54 | #include <async.h> |
| 1694 | palkovsky | 55 | #include <keys.h> |
| 1339 | cejka | 56 | |
| 57 | #define NAME "KBD" |
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| 1447 | cejka | 58 | |
| 1610 | palkovsky | 59 | int cons_connected = 0; |
| 60 | int phone2cons = -1; |
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| 61 | keybuffer_t keybuffer; |
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| 62 | |||
| 63 | static void irq_handler(ipc_callid_t iid, ipc_call_t *call) |
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| 64 | { |
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| 65 | int chr; |
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| 1694 | palkovsky | 66 | |
| 1707 | palkovsky | 67 | #ifdef MOUSE_ENABLED |
| 68 | if (mouse_arch_process(phone2cons, call)) |
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| 69 | return; |
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| 70 | #endif |
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| 71 | |||
| 72 | kbd_arch_process(&keybuffer, call); |
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| 73 | |||
| 1610 | palkovsky | 74 | if (cons_connected && phone2cons != -1) { |
| 75 | /* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */ |
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| 76 | while (!keybuffer_empty(&keybuffer)) { |
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| 77 | if (!keybuffer_pop(&keybuffer, (int *)&chr)) |
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| 78 | break; |
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| 79 | |||
| 80 | async_msg(phone2cons, KBD_PUSHCHAR, chr); |
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| 81 | } |
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| 82 | } |
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| 83 | } |
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| 84 | |||
| 85 | static void console_connection(ipc_callid_t iid, ipc_call_t *icall) |
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| 86 | { |
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| 87 | ipc_callid_t callid; |
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| 88 | ipc_call_t call; |
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| 89 | int retval; |
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| 90 | |||
| 91 | if (cons_connected) { |
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| 92 | ipc_answer_fast(iid, ELIMIT, 0, 0); |
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| 93 | return; |
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| 94 | } |
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| 95 | cons_connected = 1; |
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| 96 | ipc_answer_fast(iid, 0, 0, 0); |
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| 97 | |||
| 98 | while (1) { |
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| 99 | callid = async_get_call(&call); |
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| 100 | switch (IPC_GET_METHOD(call)) { |
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| 101 | case IPC_M_PHONE_HUNGUP: |
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| 102 | cons_connected = 0; |
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| 103 | ipc_hangup(phone2cons); |
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| 104 | phone2cons = -1; |
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| 105 | ipc_answer_fast(callid, 0,0,0); |
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| 106 | return; |
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| 107 | case IPC_M_CONNECT_TO_ME: |
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| 108 | if (phone2cons != -1) { |
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| 109 | retval = ELIMIT; |
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| 110 | break; |
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| 111 | } |
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| 112 | phone2cons = IPC_GET_ARG3(call); |
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| 113 | retval = 0; |
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| 114 | break; |
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| 1720 | palkovsky | 115 | default: |
| 116 | retval = EINVAL; |
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| 1610 | palkovsky | 117 | } |
| 118 | ipc_answer_fast(callid, retval, 0, 0); |
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| 119 | } |
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| 120 | } |
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| 121 | |||
| 122 | |||
| 1339 | cejka | 123 | int main(int argc, char **argv) |
| 124 | { |
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| 125 | ipcarg_t phonead; |
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| 1508 | vana | 126 | |
| 1339 | cejka | 127 | /* Initialize arch dependent parts */ |
| 1694 | palkovsky | 128 | if (kbd_arch_init()) |
| 129 | return -1; |
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| 1339 | cejka | 130 | |
| 131 | /* Initialize key buffer */ |
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| 1451 | cejka | 132 | keybuffer_init(&keybuffer); |
| 1339 | cejka | 133 | |
| 1640 | palkovsky | 134 | async_set_client_connection(console_connection); |
| 135 | async_set_interrupt_received(irq_handler); |
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| 1339 | cejka | 136 | /* Register service at nameserver */ |
| 1720 | palkovsky | 137 | if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead) != 0) |
| 1339 | cejka | 138 | return -1; |
| 1445 | cejka | 139 | |
| 1610 | palkovsky | 140 | async_manager(); |
| 1344 | cejka | 141 | |
| 1720 | palkovsky | 142 | /* Never reached */ |
| 143 | return 0; |
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| 1339 | cejka | 144 | } |
| 1649 | cejka | 145 | |
| 146 | /** |
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| 147 | * @} |
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| 148 | */ |
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| 149 |