Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the libpayload project. |
| 3 | * |
| 4 | * Copyright (C) 2008 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 30 | #include <libpayload.h> |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 31 | #include <config.h> |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 32 | #include <curses.h> |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 33 | |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 34 | #define I8042_CMD_READ_MODE 0x20 |
| 35 | #define I8042_CMD_WRITE_MODE 0x60 |
| 36 | |
| 37 | #define I8042_MODE_XLATE 0x40 |
| 38 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 39 | static void (*reset_handler)(void) = NULL; |
| 40 | |
| 41 | struct layout_maps { |
| 42 | char *country; |
| 43 | unsigned short map[4][0x57]; |
| 44 | }; |
| 45 | |
| 46 | struct layout_maps *map; |
| 47 | |
| 48 | struct layout_maps keyboard_layouts[] = { |
| 49 | #ifdef CONFIG_PC_KEYBOARD_LAYOUT_US |
| 50 | { .country = "us", .map = { |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 51 | { /* No modifier */ |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 52 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 53 | 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, |
| 54 | 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, |
| 55 | 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, |
| 56 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, |
| 57 | 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, |
| 58 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 59 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 60 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 61 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 62 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 63 | }, |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 64 | { /* Shift */ |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 65 | 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, |
| 66 | 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, |
| 67 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, |
| 68 | 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, |
| 69 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, |
| 70 | 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, |
| 71 | 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 72 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 73 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 74 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 75 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
| 76 | }, |
| 77 | { /* ALT */ |
| 78 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 79 | 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, |
| 80 | 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, |
| 81 | 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, |
| 82 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, |
| 83 | 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, |
| 84 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 85 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 86 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 87 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 88 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
| 89 | }, |
| 90 | { /* Shift-ALT */ |
| 91 | 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, |
| 92 | 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, |
| 93 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, |
| 94 | 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, |
| 95 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, |
| 96 | 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, |
| 97 | 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 98 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 99 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 100 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 101 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 102 | } |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 103 | }}, |
| 104 | #endif |
| 105 | #ifdef CONFIG_PC_KEYBOARD_LAYOUT_DE |
| 106 | { .country = "de", .map = { |
| 107 | { /* No modifier */ |
| 108 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 109 | 0x37, 0x38, 0x39, 0x30, 0x00, 0x27, 0x08, 0x09, |
| 110 | 0x71, 0x77, 0x65, 0x72, 0x74, 0x7A, 0x75, 0x69, |
| 111 | 0x6F, 0x70, 0x00, 0x2B, 0x0A, 0x00, 0x61, 0x73, |
| 112 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x00, |
| 113 | 0x00, 0x5E, 0x00, 0x23, 0x79, 0x78, 0x63, 0x76, |
| 114 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2D, 0x00, 0x2A, |
| 115 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 116 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 117 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 118 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x3C |
| 119 | }, |
| 120 | { /* Shift */ |
| 121 | 0x00, 0x1B, 0x21, 0x22, 0xA7, 0x24, 0x25, 0x26, |
| 122 | 0x2F, 0x28, 0x29, 0x3D, 0x3F, 0x60, 0x08, 0x00, |
| 123 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x5A, 0x55, 0x49, |
| 124 | 0x4F, 0x50, 0x00, 0x2A, 0x0A, 0x00, 0x41, 0x53, |
| 125 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x00, |
| 126 | 0x00, 0x7E, 0x00, 0x27, 0x59, 0x58, 0x43, 0x56, |
| 127 | 0x42, 0x4E, 0x4D, 0x3B, 0x3A, 0x5F, 0x00, 0x2A, |
| 128 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 129 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 130 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 131 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x3E |
| 132 | }, |
| 133 | { /* ALT */ |
| 134 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 135 | 0x7B, 0x5B, 0x5D, 0x7D, 0x5C, 0x3D, 0x08, 0x09, |
| 136 | 0x40, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, |
| 137 | 0x6F, 0x70, 0x5B, 0x7E, 0x0A, 0x00, 0x61, 0x73, |
| 138 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, |
| 139 | 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, |
| 140 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, |
| 141 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 142 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 143 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 144 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x7C |
| 145 | }, |
| 146 | { /* Shift-ALT */ |
| 147 | /* copied from US */ |
| 148 | 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, |
| 149 | 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, |
| 150 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, |
| 151 | 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, |
| 152 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, |
| 153 | 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, |
| 154 | 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, |
| 155 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 156 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 157 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 158 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
| 159 | } |
| 160 | }}, |
| 161 | #endif |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 162 | }; |
| 163 | |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 164 | #define MOD_SHIFT (1 << 0) |
| 165 | #define MOD_CTRL (1 << 1) |
| 166 | #define MOD_CAPSLOCK (1 << 2) |
| 167 | #define MOD_ALT (1 << 3) |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 168 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 169 | static void keyboard_cmd(unsigned char cmd, unsigned char val) |
| 170 | { |
| 171 | outb(cmd, 0x60); |
| 172 | /* wait until keyboard controller accepts cmds: */ |
| 173 | while (inb(0x64) & 2); |
| 174 | outb(val, 0x60); |
| 175 | while (inb(0x64) & 2); |
| 176 | } |
| 177 | |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 178 | int keyboard_havechar(void) |
| 179 | { |
| 180 | unsigned char c = inb(0x64); |
Jordan Crouse | ec6363d | 2008-10-20 17:07:26 +0000 | [diff] [blame] | 181 | return (c == 0xFF) ? 0 : c & 1; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | unsigned char keyboard_get_scancode(void) |
| 185 | { |
| 186 | unsigned char ch = 0; |
| 187 | |
| 188 | if (keyboard_havechar()) |
| 189 | ch = inb(0x60); |
| 190 | |
| 191 | return ch; |
| 192 | } |
| 193 | |
| 194 | int keyboard_getchar(void) |
| 195 | { |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 196 | static int modifier = 0; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 197 | unsigned char ch; |
| 198 | int shift; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 199 | int ret = 0; |
| 200 | |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 201 | while (!keyboard_havechar()) ; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 202 | |
| 203 | ch = keyboard_get_scancode(); |
| 204 | |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 205 | switch (ch) { |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 206 | case 0x36: |
| 207 | case 0x2a: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 208 | modifier |= MOD_SHIFT; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 209 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 210 | case 0x80 | 0x36: |
| 211 | case 0x80 | 0x2a: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 212 | modifier &= ~MOD_SHIFT; |
Stefan Reinauer | 96b734c | 2008-08-12 14:19:40 +0000 | [diff] [blame] | 213 | break; |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 214 | case 0x38: |
| 215 | modifier |= MOD_ALT; |
| 216 | break; |
| 217 | case 0x80 | 0x38: |
| 218 | modifier &= ~MOD_ALT; |
| 219 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 220 | case 0x1d: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 221 | modifier |= MOD_CTRL; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 222 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 223 | case 0x80 | 0x1d: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 224 | modifier &= ~MOD_CTRL; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 225 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 226 | case 0x3a: |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 227 | if (modifier & MOD_CAPSLOCK) { |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 228 | modifier &= ~MOD_CAPSLOCK; |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 229 | keyboard_cmd(0xed, (0 << 2)); |
| 230 | } else { |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 231 | modifier |= MOD_CAPSLOCK; |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 232 | keyboard_cmd(0xed, (1 << 2)); |
| 233 | } |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 234 | break; |
| 235 | } |
| 236 | |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 237 | if (!(ch & 0x80) && ch < 0x57) { |
| 238 | shift = |
| 239 | (modifier & MOD_SHIFT) ^ (modifier & MOD_CAPSLOCK) ? 1 : 0; |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 240 | |
| 241 | if (modifier & MOD_ALT) |
| 242 | shift += 2; |
| 243 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 244 | ret = map->map[shift][ch]; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 245 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 246 | if (modifier & MOD_CTRL) { |
| 247 | switch (ret) { |
| 248 | case 'a' ... 'z': |
| 249 | ret &= 0x1f; |
| 250 | break; |
| 251 | case KEY_DC: |
| 252 | /* vulcan nerve pinch */ |
| 253 | if ((modifier & MOD_ALT) && reset_handler) |
| 254 | reset_handler(); |
| 255 | default: |
| 256 | ret = 0; |
| 257 | } |
| 258 | } |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | return ret; |
| 262 | } |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 263 | |
| 264 | static int keyboard_wait_read(void) |
| 265 | { |
| 266 | int timeout = 10000; |
| 267 | |
| 268 | while(timeout-- && !(inb(0x64) & 0x01)) |
| 269 | udelay(50); |
| 270 | |
| 271 | return (timeout <= 0) ? -1 : 0; |
| 272 | } |
| 273 | |
| 274 | static int keyboard_wait_write(void) |
| 275 | { |
| 276 | int timeout = 10000; |
| 277 | |
| 278 | while(timeout-- && (inb(0x64) & 0x02)) |
| 279 | udelay(50); |
| 280 | |
| 281 | return (timeout <= 0) ? -1 : 0; |
| 282 | } |
| 283 | |
| 284 | static unsigned char keyboard_get_mode(void) |
| 285 | { |
| 286 | outb(I8042_CMD_READ_MODE, 0x64); |
| 287 | keyboard_wait_read(); |
| 288 | return inb(0x60); |
| 289 | } |
| 290 | |
| 291 | static void keyboard_set_mode(unsigned char mode) |
| 292 | { |
| 293 | outb(I8042_CMD_WRITE_MODE, 0x64); |
| 294 | keyboard_wait_write(); |
| 295 | outb(mode, 0x60); |
| 296 | } |
| 297 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 298 | /** |
| 299 | * Set keyboard layout |
| 300 | * @param country string describing the keyboard layout language. |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame] | 301 | * Valid values are "us", "de". |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 302 | */ |
| 303 | |
| 304 | int keyboard_set_layout(char *country) |
| 305 | { |
| 306 | int i; |
| 307 | |
| 308 | for (i=0; i<ARRAY_SIZE(keyboard_layouts); i++) { |
| 309 | if (strncmp(keyboard_layouts[i].country, country, |
| 310 | strlen(keyboard_layouts[i].country))) |
| 311 | continue; |
| 312 | |
| 313 | /* Found, changing keyboard layout */ |
| 314 | map = &keyboard_layouts[i]; |
| 315 | return 0; |
| 316 | } |
| 317 | |
| 318 | /* Nothing found, not changed */ |
| 319 | return -1; |
| 320 | } |
| 321 | |
| 322 | int keyboard_add_reset_handler(void (*new_handler)(void)) |
| 323 | { |
| 324 | reset_handler = new_handler; |
| 325 | |
| 326 | return 0; |
| 327 | } |
| 328 | |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 329 | void keyboard_init(void) |
| 330 | { |
| 331 | u8 mode; |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 332 | map = &keyboard_layouts[0]; |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 333 | |
Jordan Crouse | ec6363d | 2008-10-20 17:07:26 +0000 | [diff] [blame] | 334 | /* If 0x64 returns 0xff, then we have no keyboard |
| 335 | * controller */ |
| 336 | |
| 337 | if (inb(0x64) == 0xFF) |
| 338 | return; |
| 339 | |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 340 | /* Empty keyboard buffer */ |
| 341 | while (keyboard_havechar()) keyboard_getchar(); |
| 342 | |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 343 | /* Read the current mode */ |
| 344 | mode = keyboard_get_mode(); |
| 345 | |
| 346 | /* Turn on scancode translate mode so that we can |
| 347 | use the scancode set 1 tables */ |
| 348 | |
| 349 | mode |= I8042_MODE_XLATE; |
| 350 | |
| 351 | /* Write the new mode */ |
| 352 | keyboard_set_mode(mode); |
| 353 | } |
| 354 | |