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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1339 | cejka | 1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
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| 3 | * Copyright (C) 2006 Josef Cejka |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 1649 | cejka | 30 | /** @addtogroup kbdia32 ia32 |
| 1657 | cejka | 31 | * @brief HelenOS ia32 / amd64 arch dependent parts of uspace keyboard handler. |
| 1649 | cejka | 32 | * @ingroup kbd |
| 33 | * @{ |
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| 34 | */ |
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| 35 | /** @file |
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| 1657 | cejka | 36 | * @ingroup kbdamd64 |
| 1649 | cejka | 37 | */ |
| 38 | |||
| 1339 | cejka | 39 | #include <arch/kbd.h> |
| 1353 | jermar | 40 | #include <ipc/ipc.h> |
| 1694 | palkovsky | 41 | #include <unistd.h> |
| 42 | #include <kbd.h> |
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| 43 | #include <keys.h> |
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| 1339 | cejka | 44 | |
| 1694 | palkovsky | 45 | /* Interesting bits for status register */ |
| 46 | #define i8042_OUTPUT_FULL 0x1 |
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| 47 | #define i8042_INPUT_FULL 0x2 |
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| 48 | #define i8042_MOUSE_DATA 0x20 |
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| 49 | |||
| 50 | /* Command constants */ |
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| 51 | #define i8042_CMD_KBD 0x60 |
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| 52 | #define i8042_CMD_MOUSE 0xd4 |
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| 53 | |||
| 54 | /* Keyboard cmd byte */ |
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| 55 | #define i8042_KBD_IE 0x1 |
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| 56 | #define i8042_MOUSE_IE 0x2 |
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| 57 | #define i8042_KBD_DISABLE 0x10 |
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| 58 | #define i8042_MOUSE_DISABLE 0x20 |
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| 59 | #define i8042_KBD_TRANSLATE 0x40 |
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| 60 | |||
| 61 | /* Mouse constants */ |
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| 62 | #define MOUSE_OUT_INIT 0xf4 |
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| 63 | #define MOUSE_ACK 0xfa |
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| 64 | |||
| 65 | |||
| 1603 | vana | 66 | #define SPECIAL 255 |
| 1339 | cejka | 67 | #define KEY_RELEASE 0x80 |
| 68 | |||
| 69 | /** |
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| 70 | * These codes read from i8042 data register are silently ignored. |
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| 71 | */ |
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| 72 | #define IGNORE_CODE 0x7f |
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| 73 | |||
| 74 | #define PRESSED_SHIFT (1<<0) |
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| 75 | #define PRESSED_CAPSLOCK (1<<1) |
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| 76 | #define LOCKED_CAPSLOCK (1<<0) |
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| 77 | |||
| 78 | /** Scancodes. */ |
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| 79 | #define SC_ESC 0x01 |
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| 80 | #define SC_BACKSPACE 0x0e |
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| 81 | #define SC_LSHIFT 0x2a |
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| 82 | #define SC_RSHIFT 0x36 |
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| 83 | #define SC_CAPSLOCK 0x3a |
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| 84 | #define SC_SPEC_ESCAPE 0xe0 |
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| 85 | #define SC_LEFTARR 0x4b |
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| 86 | #define SC_RIGHTARR 0x4d |
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| 87 | #define SC_UPARR 0x48 |
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| 88 | #define SC_DOWNARR 0x50 |
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| 89 | #define SC_DELETE 0x53 |
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| 90 | #define SC_HOME 0x47 |
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| 91 | #define SC_END 0x4f |
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| 92 | |||
| 1560 | vana | 93 | #define FUNCTION_KEYS 0x100 |
| 94 | |||
| 1339 | cejka | 95 | static volatile int keyflags; /**< Tracking of multiple keypresses. */ |
| 96 | static volatile int lockflags; /**< Tracking of multiple keys lockings. */ |
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| 97 | |||
| 98 | /** Primary meaning of scancodes. */ |
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| 1560 | vana | 99 | static int sc_primary_map[] = { |
| 1339 | cejka | 100 | SPECIAL, /* 0x00 */ |
| 101 | SPECIAL, /* 0x01 - Esc */ |
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| 102 | '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', |
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| 103 | '\b', /* 0x0e - Backspace */ |
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| 104 | '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', |
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| 105 | SPECIAL, /* 0x1d - LCtrl */ |
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| 106 | 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', |
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| 107 | '`', |
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| 108 | SPECIAL, /* 0x2a - LShift */ |
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| 109 | '\\', |
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| 110 | 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', |
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| 111 | SPECIAL, /* 0x36 - RShift */ |
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| 112 | '*', |
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| 113 | SPECIAL, /* 0x38 - LAlt */ |
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| 114 | ' ', |
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| 115 | SPECIAL, /* 0x3a - CapsLock */ |
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| 1560 | vana | 116 | (FUNCTION_KEYS | 1), /* 0x3b - F1 */ |
| 117 | (FUNCTION_KEYS | 2), /* 0x3c - F2 */ |
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| 118 | (FUNCTION_KEYS | 3), /* 0x3d - F3 */ |
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| 119 | (FUNCTION_KEYS | 4), /* 0x3e - F4 */ |
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| 120 | (FUNCTION_KEYS | 5), /* 0x3f - F5 */ |
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| 121 | (FUNCTION_KEYS | 6), /* 0x40 - F6 */ |
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| 122 | (FUNCTION_KEYS | 7), /* 0x41 - F7 */ |
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| 123 | (FUNCTION_KEYS | 8), /* 0x42 - F8 */ |
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| 124 | (FUNCTION_KEYS | 9), /* 0x43 - F9 */ |
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| 125 | (FUNCTION_KEYS | 10), /* 0x44 - F10 */ |
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| 1339 | cejka | 126 | SPECIAL, /* 0x45 - NumLock */ |
| 127 | SPECIAL, /* 0x46 - ScrollLock */ |
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| 128 | '7', '8', '9', '-', |
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| 129 | '4', '5', '6', '+', |
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| 130 | '1', '2', '3', |
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| 131 | '0', '.', |
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| 132 | SPECIAL, /* 0x54 - Alt-SysRq */ |
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| 133 | SPECIAL, /* 0x55 - F11/F12/PF1/FN */ |
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| 134 | SPECIAL, /* 0x56 - unlabelled key next to LAlt */ |
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| 1566 | cejka | 135 | (FUNCTION_KEYS | 11), /* 0x57 - F11 */ |
| 136 | (FUNCTION_KEYS | 12), /* 0x58 - F12 */ |
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| 1339 | cejka | 137 | SPECIAL, /* 0x59 */ |
| 138 | SPECIAL, /* 0x5a */ |
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| 139 | SPECIAL, /* 0x5b */ |
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| 140 | SPECIAL, /* 0x5c */ |
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| 141 | SPECIAL, /* 0x5d */ |
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| 142 | SPECIAL, /* 0x5e */ |
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| 143 | SPECIAL, /* 0x5f */ |
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| 144 | SPECIAL, /* 0x60 */ |
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| 145 | SPECIAL, /* 0x61 */ |
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| 146 | SPECIAL, /* 0x62 */ |
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| 147 | SPECIAL, /* 0x63 */ |
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| 148 | SPECIAL, /* 0x64 */ |
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| 149 | SPECIAL, /* 0x65 */ |
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| 150 | SPECIAL, /* 0x66 */ |
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| 151 | SPECIAL, /* 0x67 */ |
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| 152 | SPECIAL, /* 0x68 */ |
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| 153 | SPECIAL, /* 0x69 */ |
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| 154 | SPECIAL, /* 0x6a */ |
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| 155 | SPECIAL, /* 0x6b */ |
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| 156 | SPECIAL, /* 0x6c */ |
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| 157 | SPECIAL, /* 0x6d */ |
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| 158 | SPECIAL, /* 0x6e */ |
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| 159 | SPECIAL, /* 0x6f */ |
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| 160 | SPECIAL, /* 0x70 */ |
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| 161 | SPECIAL, /* 0x71 */ |
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| 162 | SPECIAL, /* 0x72 */ |
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| 163 | SPECIAL, /* 0x73 */ |
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| 164 | SPECIAL, /* 0x74 */ |
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| 165 | SPECIAL, /* 0x75 */ |
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| 166 | SPECIAL, /* 0x76 */ |
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| 167 | SPECIAL, /* 0x77 */ |
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| 168 | SPECIAL, /* 0x78 */ |
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| 169 | SPECIAL, /* 0x79 */ |
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| 170 | SPECIAL, /* 0x7a */ |
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| 171 | SPECIAL, /* 0x7b */ |
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| 172 | SPECIAL, /* 0x7c */ |
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| 173 | SPECIAL, /* 0x7d */ |
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| 174 | SPECIAL, /* 0x7e */ |
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| 175 | SPECIAL, /* 0x7f */ |
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| 176 | }; |
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| 177 | |||
| 178 | /** Secondary meaning of scancodes. */ |
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| 1566 | cejka | 179 | static int sc_secondary_map[] = { |
| 1339 | cejka | 180 | SPECIAL, /* 0x00 */ |
| 1644 | vana | 181 | 0x1b, /* 0x01 - Esc */ |
| 1339 | cejka | 182 | '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', |
| 183 | SPECIAL, /* 0x0e - Backspace */ |
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| 184 | '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', |
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| 185 | SPECIAL, /* 0x1d - LCtrl */ |
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| 186 | 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', |
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| 187 | '~', |
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| 188 | SPECIAL, /* 0x2a - LShift */ |
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| 189 | '|', |
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| 190 | 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', |
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| 191 | SPECIAL, /* 0x36 - RShift */ |
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| 192 | '*', |
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| 193 | SPECIAL, /* 0x38 - LAlt */ |
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| 194 | ' ', |
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| 195 | SPECIAL, /* 0x3a - CapsLock */ |
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| 1504 | cejka | 196 | SPECIAL, /* 0x3b - F1 */ |
| 197 | SPECIAL, /* 0x3c - F2 */ |
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| 198 | SPECIAL, /* 0x3d - F3 */ |
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| 199 | SPECIAL, /* 0x3e - F4 */ |
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| 200 | SPECIAL, /* 0x3f - F5 */ |
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| 201 | SPECIAL, /* 0x40 - F6 */ |
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| 202 | SPECIAL, /* 0x41 - F7 */ |
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| 203 | SPECIAL, /* 0x42 - F8 */ |
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| 204 | SPECIAL, /* 0x43 - F9 */ |
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| 205 | SPECIAL, /* 0x44 - F10 */ |
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| 1339 | cejka | 206 | SPECIAL, /* 0x45 - NumLock */ |
| 207 | SPECIAL, /* 0x46 - ScrollLock */ |
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| 208 | '7', '8', '9', '-', |
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| 209 | '4', '5', '6', '+', |
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| 210 | '1', '2', '3', |
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| 211 | '0', '.', |
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| 212 | SPECIAL, /* 0x54 - Alt-SysRq */ |
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| 213 | SPECIAL, /* 0x55 - F11/F12/PF1/FN */ |
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| 214 | SPECIAL, /* 0x56 - unlabelled key next to LAlt */ |
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| 215 | SPECIAL, /* 0x57 - F11 */ |
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| 216 | SPECIAL, /* 0x58 - F12 */ |
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| 217 | SPECIAL, /* 0x59 */ |
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| 218 | SPECIAL, /* 0x5a */ |
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| 219 | SPECIAL, /* 0x5b */ |
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| 220 | SPECIAL, /* 0x5c */ |
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| 221 | SPECIAL, /* 0x5d */ |
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| 222 | SPECIAL, /* 0x5e */ |
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| 223 | SPECIAL, /* 0x5f */ |
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| 224 | SPECIAL, /* 0x60 */ |
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| 225 | SPECIAL, /* 0x61 */ |
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| 226 | SPECIAL, /* 0x62 */ |
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| 227 | SPECIAL, /* 0x63 */ |
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| 228 | SPECIAL, /* 0x64 */ |
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| 229 | SPECIAL, /* 0x65 */ |
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| 230 | SPECIAL, /* 0x66 */ |
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| 231 | SPECIAL, /* 0x67 */ |
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| 232 | SPECIAL, /* 0x68 */ |
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| 233 | SPECIAL, /* 0x69 */ |
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| 234 | SPECIAL, /* 0x6a */ |
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| 235 | SPECIAL, /* 0x6b */ |
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| 236 | SPECIAL, /* 0x6c */ |
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| 237 | SPECIAL, /* 0x6d */ |
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| 238 | SPECIAL, /* 0x6e */ |
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| 239 | SPECIAL, /* 0x6f */ |
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| 240 | SPECIAL, /* 0x70 */ |
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| 241 | SPECIAL, /* 0x71 */ |
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| 242 | SPECIAL, /* 0x72 */ |
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| 243 | SPECIAL, /* 0x73 */ |
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| 244 | SPECIAL, /* 0x74 */ |
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| 245 | SPECIAL, /* 0x75 */ |
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| 246 | SPECIAL, /* 0x76 */ |
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| 247 | SPECIAL, /* 0x77 */ |
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| 248 | SPECIAL, /* 0x78 */ |
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| 249 | SPECIAL, /* 0x79 */ |
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| 250 | SPECIAL, /* 0x7a */ |
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| 251 | SPECIAL, /* 0x7b */ |
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| 252 | SPECIAL, /* 0x7c */ |
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| 253 | SPECIAL, /* 0x7d */ |
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| 254 | SPECIAL, /* 0x7e */ |
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| 255 | SPECIAL, /* 0x7f */ |
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| 256 | }; |
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| 257 | |||
| 1694 | palkovsky | 258 | irq_cmd_t i8042_cmds[2] = { |
| 259 | { CMD_PORT_READ_1, (void *)0x64, 0, 1 }, |
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| 260 | { CMD_PORT_READ_1, (void *)0x60, 0, 2 } |
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| 1339 | cejka | 261 | }; |
| 262 | |||
| 263 | irq_code_t i8042_kbd = { |
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| 1694 | palkovsky | 264 | 2, |
| 1339 | cejka | 265 | i8042_cmds |
| 266 | }; |
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| 267 | |||
| 1451 | cejka | 268 | static int key_released(keybuffer_t *keybuffer, unsigned char key) |
| 1339 | cejka | 269 | { |
| 270 | switch (key) { |
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| 271 | case SC_LSHIFT: |
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| 272 | case SC_RSHIFT: |
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| 273 | keyflags &= ~PRESSED_SHIFT; |
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| 274 | break; |
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| 275 | case SC_CAPSLOCK: |
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| 276 | keyflags &= ~PRESSED_CAPSLOCK; |
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| 277 | if (lockflags & LOCKED_CAPSLOCK) |
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| 278 | lockflags &= ~LOCKED_CAPSLOCK; |
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| 279 | else |
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| 280 | lockflags |= LOCKED_CAPSLOCK; |
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| 281 | break; |
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| 282 | default: |
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| 283 | break; |
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| 284 | } |
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| 285 | } |
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| 286 | |||
| 1451 | cejka | 287 | static int key_pressed(keybuffer_t *keybuffer, unsigned char key) |
| 1339 | cejka | 288 | { |
| 1560 | vana | 289 | int *map = sc_primary_map; |
| 290 | int ascii = sc_primary_map[key]; |
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| 291 | int shift, capslock; |
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| 292 | int letter = 0; |
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| 1339 | cejka | 293 | |
| 1644 | vana | 294 | static int esc_count=0; |
| 295 | |||
| 296 | |||
| 297 | if ( key == SC_ESC ) { |
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| 298 | esc_count++; |
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| 299 | if ( esc_count == 3 ) { |
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| 300 | __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE); |
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| 301 | } |
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| 302 | } else { |
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| 303 | esc_count=0; |
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| 304 | } |
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| 305 | |||
| 306 | |||
| 307 | |||
| 1339 | cejka | 308 | switch (key) { |
| 309 | case SC_LSHIFT: |
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| 310 | case SC_RSHIFT: |
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| 311 | keyflags |= PRESSED_SHIFT; |
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| 312 | break; |
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| 313 | case SC_CAPSLOCK: |
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| 314 | keyflags |= PRESSED_CAPSLOCK; |
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| 315 | break; |
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| 316 | case SC_SPEC_ESCAPE: |
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| 317 | break; |
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| 1504 | cejka | 318 | /* case SC_LEFTARR: |
| 1451 | cejka | 319 | if (keybuffer_available(keybuffer) >= 3) { |
| 320 | keybuffer_push(keybuffer, 0x1b); |
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| 321 | keybuffer_push(keybuffer, 0x5b); |
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| 322 | keybuffer_push(keybuffer, 0x44); |
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| 1339 | cejka | 323 | } |
| 324 | break; |
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| 325 | case SC_RIGHTARR: |
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| 1451 | cejka | 326 | if (keybuffer_available(keybuffer) >= 3) { |
| 327 | keybuffer_push(keybuffer, 0x1b); |
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| 328 | keybuffer_push(keybuffer, 0x5b); |
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| 329 | keybuffer_push(keybuffer, 0x43); |
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| 1339 | cejka | 330 | } |
| 331 | break; |
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| 332 | case SC_UPARR: |
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| 1451 | cejka | 333 | if (keybuffer_available(keybuffer) >= 3) { |
| 334 | keybuffer_push(keybuffer, 0x1b); |
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| 335 | keybuffer_push(keybuffer, 0x5b); |
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| 336 | keybuffer_push(keybuffer, 0x41); |
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| 1339 | cejka | 337 | } |
| 338 | break; |
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| 339 | case SC_DOWNARR: |
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| 1451 | cejka | 340 | if (keybuffer_available(keybuffer) >= 3) { |
| 341 | keybuffer_push(keybuffer, 0x1b); |
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| 342 | keybuffer_push(keybuffer, 0x5b); |
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| 343 | keybuffer_push(keybuffer, 0x42); |
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| 1339 | cejka | 344 | } |
| 345 | break; |
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| 346 | case SC_HOME: |
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| 1451 | cejka | 347 | if (keybuffer_available(keybuffer) >= 3) { |
| 348 | keybuffer_push(keybuffer, 0x1b); |
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| 349 | keybuffer_push(keybuffer, 0x4f); |
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| 350 | keybuffer_push(keybuffer, 0x48); |
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| 1339 | cejka | 351 | } |
| 352 | break; |
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| 353 | case SC_END: |
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| 1451 | cejka | 354 | if (keybuffer_available(keybuffer) >= 3) { |
| 355 | keybuffer_push(keybuffer, 0x1b); |
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| 356 | keybuffer_push(keybuffer, 0x4f); |
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| 357 | keybuffer_push(keybuffer, 0x46); |
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| 1339 | cejka | 358 | } |
| 359 | break; |
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| 360 | case SC_DELETE: |
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| 1451 | cejka | 361 | if (keybuffer_available(keybuffer) >= 4) { |
| 362 | keybuffer_push(keybuffer, 0x1b); |
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| 363 | keybuffer_push(keybuffer, 0x5b); |
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| 364 | keybuffer_push(keybuffer, 0x33); |
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| 365 | keybuffer_push(keybuffer, 0x7e); |
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| 1339 | cejka | 366 | } |
| 367 | break; |
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| 1504 | cejka | 368 | */ default: |
| 1339 | cejka | 369 | letter = ((ascii >= 'a') && (ascii <= 'z')); |
| 370 | capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
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| 371 | shift = keyflags & PRESSED_SHIFT; |
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| 372 | if (letter && capslock) |
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| 373 | shift = !shift; |
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| 374 | if (shift) |
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| 375 | map = sc_secondary_map; |
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| 1504 | cejka | 376 | if (map[key] != SPECIAL) |
| 377 | keybuffer_push(keybuffer, map[key]); |
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| 1339 | cejka | 378 | break; |
| 379 | } |
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| 380 | } |
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| 381 | |||
| 1694 | palkovsky | 382 | |
| 383 | static void wait_ready(void) { |
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| 384 | while (i8042_status_read() & i8042_INPUT_FULL) |
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| 385 | ; |
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| 386 | } |
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| 387 | |||
| 1339 | cejka | 388 | /** Register uspace irq handler |
| 389 | * @return |
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| 390 | */ |
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| 391 | int kbd_arch_init(void) |
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| 392 | { |
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| 1694 | palkovsky | 393 | int rc1, i; |
| 394 | int mouseenabled = 0; |
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| 395 | |||
| 396 | iospace_enable(task_get_id(),(void *)i8042_DATA, 5); |
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| 397 | /* Disable kbd, enable mouse */ |
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| 398 | i8042_command_write(i8042_CMD_KBD); |
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| 399 | wait_ready(); |
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| 400 | i8042_command_write(i8042_CMD_KBD); |
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| 401 | wait_ready(); |
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| 402 | i8042_data_write(i8042_KBD_DISABLE); |
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| 403 | wait_ready(); |
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| 404 | |||
| 405 | /* Flush all current IO */ |
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| 406 | while (i8042_status_read() & i8042_OUTPUT_FULL) |
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| 407 | i8042_data_read(); |
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| 408 | /* Initialize mouse */ |
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| 409 | i8042_command_write(i8042_CMD_MOUSE); |
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| 410 | wait_ready(); |
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| 411 | i8042_data_write(MOUSE_OUT_INIT); |
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| 412 | wait_ready(); |
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| 413 | |||
| 414 | int mouseanswer = 0; |
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| 415 | for (i=0;i < 1000; i++) { |
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| 416 | int status = i8042_status_read(); |
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| 417 | if (status & i8042_OUTPUT_FULL) { |
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| 418 | int data = i8042_data_read(); |
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| 419 | if (status & i8042_MOUSE_DATA) { |
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| 420 | mouseanswer = data; |
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| 421 | break; |
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| 422 | } |
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| 423 | } |
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| 424 | usleep(1000); |
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| 425 | } |
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| 426 | if (mouseanswer == MOUSE_ACK) { |
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| 427 | /* enable mouse */ |
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| 428 | mouseenabled = 1; |
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| 429 | |||
| 430 | ipc_register_irq(MOUSE_IRQ, &i8042_kbd); |
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| 431 | } |
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| 432 | /* Enable kbd */ |
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| 433 | ipc_register_irq(KBD_IRQ, &i8042_kbd); |
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| 1713 | palkovsky | 434 | /* Register for irq restart */ |
| 435 | ipc_register_irq(IPC_IRQ_KBDRESTART, NULL); |
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| 1694 | palkovsky | 436 | |
| 437 | int newcontrol = i8042_KBD_IE | i8042_KBD_TRANSLATE; |
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| 438 | if (mouseenabled) |
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| 439 | newcontrol |= i8042_MOUSE_IE; |
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| 440 | |||
| 441 | i8042_command_write(i8042_CMD_KBD); |
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| 442 | wait_ready(); |
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| 443 | i8042_data_write(newcontrol); |
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| 444 | wait_ready(); |
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| 445 | |||
| 446 | return 0; |
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| 1339 | cejka | 447 | } |
| 448 | |||
| 1694 | palkovsky | 449 | /** Process keyboard & mouse events */ |
| 450 | int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call) |
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| 1339 | cejka | 451 | { |
| 1694 | palkovsky | 452 | int status = IPC_GET_ARG1(*call); |
| 453 | |||
| 1713 | palkovsky | 454 | if (IPC_GET_METHOD(*call) == IPC_IRQ_KBDRESTART) { |
| 455 | kbd_arch_init(); |
||
| 456 | return 1; |
||
| 457 | } |
||
| 458 | |||
| 1707 | palkovsky | 459 | if ((status & i8042_MOUSE_DATA)) |
| 460 | return 0; |
||
| 461 | |||
| 462 | int scan_code = IPC_GET_ARG2(*call); |
||
| 463 | |||
| 464 | if (scan_code != IGNORE_CODE) { |
||
| 465 | if (scan_code & KEY_RELEASE) |
||
| 466 | key_released(keybuffer, scan_code ^ KEY_RELEASE); |
||
| 467 | else |
||
| 468 | key_pressed(keybuffer, scan_code); |
||
| 1339 | cejka | 469 | } |
| 470 | return 1; |
||
| 471 | } |
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| 1649 | cejka | 472 | |
| 473 | /** |
||
| 474 | * @} |
||
| 475 | */ |
||
| 476 |