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 | |
Gabe Black | a2d786f | 2013-03-12 15:44:56 -0700 | [diff] [blame] | 30 | #include <keycodes.h> |
Jordan Crouse | db8c0ab | 2008-11-24 17:54:46 +0000 | [diff] [blame] | 31 | #include <libpayload-config.h> |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 32 | #include <libpayload.h> |
| 33 | |
Martin Roth | 3ee59f7 | 2013-07-26 16:31:21 -0600 | [diff] [blame] | 34 | #define I8042_CMD_DIS_KB 0xad |
| 35 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 36 | struct layout_maps { |
Patrick Georgi | 7f96583 | 2011-04-21 18:57:16 +0200 | [diff] [blame] | 37 | const char *country; |
| 38 | const unsigned short map[4][0x57]; |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 39 | }; |
| 40 | |
Stefan Reinauer | 1beabe1 | 2010-03-25 18:52:24 +0000 | [diff] [blame] | 41 | static struct layout_maps *map; |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 42 | |
Stefan Reinauer | 1beabe1 | 2010-03-25 18:52:24 +0000 | [diff] [blame] | 43 | static struct layout_maps keyboard_layouts[] = { |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 44 | #ifdef CONFIG_PC_KEYBOARD_LAYOUT_US |
| 45 | { .country = "us", .map = { |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 46 | { /* No modifier */ |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 47 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 48 | 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, |
| 49 | 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, |
| 50 | 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, |
| 51 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, |
| 52 | 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, |
| 53 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 54 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 55 | 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] | 56 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 57 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 58 | }, |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 59 | { /* Shift */ |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 60 | 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, |
| 61 | 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, |
| 62 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, |
| 63 | 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, |
| 64 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, |
| 65 | 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, |
| 66 | 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 67 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 68 | 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] | 69 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 70 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
| 71 | }, |
| 72 | { /* ALT */ |
| 73 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 74 | 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, |
| 75 | 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, |
| 76 | 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, |
| 77 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, |
| 78 | 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, |
| 79 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 80 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 81 | 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] | 82 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 83 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
| 84 | }, |
| 85 | { /* Shift-ALT */ |
| 86 | 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, |
| 87 | 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, |
| 88 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, |
| 89 | 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, |
| 90 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, |
| 91 | 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, |
| 92 | 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, |
Stefan Reinauer | 4614aed | 2008-09-18 07:48:59 +0000 | [diff] [blame] | 93 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 94 | 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] | 95 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 96 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 97 | } |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 98 | }}, |
| 99 | #endif |
| 100 | #ifdef CONFIG_PC_KEYBOARD_LAYOUT_DE |
| 101 | { .country = "de", .map = { |
| 102 | { /* No modifier */ |
| 103 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 104 | 0x37, 0x38, 0x39, 0x30, 0x00, 0x27, 0x08, 0x09, |
| 105 | 0x71, 0x77, 0x65, 0x72, 0x74, 0x7A, 0x75, 0x69, |
| 106 | 0x6F, 0x70, 0x00, 0x2B, 0x0A, 0x00, 0x61, 0x73, |
| 107 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x00, |
| 108 | 0x00, 0x5E, 0x00, 0x23, 0x79, 0x78, 0x63, 0x76, |
| 109 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2D, 0x00, 0x2A, |
| 110 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 111 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 112 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 113 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x3C |
| 114 | }, |
| 115 | { /* Shift */ |
| 116 | 0x00, 0x1B, 0x21, 0x22, 0xA7, 0x24, 0x25, 0x26, |
| 117 | 0x2F, 0x28, 0x29, 0x3D, 0x3F, 0x60, 0x08, 0x00, |
| 118 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x5A, 0x55, 0x49, |
| 119 | 0x4F, 0x50, 0x00, 0x2A, 0x0A, 0x00, 0x41, 0x53, |
| 120 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x00, |
| 121 | 0x00, 0x7E, 0x00, 0x27, 0x59, 0x58, 0x43, 0x56, |
| 122 | 0x42, 0x4E, 0x4D, 0x3B, 0x3A, 0x5F, 0x00, 0x2A, |
| 123 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 124 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 125 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 126 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x3E |
| 127 | }, |
| 128 | { /* ALT */ |
| 129 | 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, |
| 130 | 0x7B, 0x5B, 0x5D, 0x7D, 0x5C, 0x3D, 0x08, 0x09, |
| 131 | 0x40, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, |
| 132 | 0x6F, 0x70, 0x5B, 0x7E, 0x0A, 0x00, 0x61, 0x73, |
| 133 | 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, |
| 134 | 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, |
| 135 | 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, |
| 136 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 137 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 138 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 139 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x7C |
| 140 | }, |
| 141 | { /* Shift-ALT */ |
| 142 | /* copied from US */ |
| 143 | 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, |
| 144 | 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, |
| 145 | 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, |
| 146 | 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, |
| 147 | 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, |
| 148 | 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, |
| 149 | 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, |
| 150 | 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), |
| 151 | KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, |
| 152 | KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, |
| 153 | KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 |
| 154 | } |
| 155 | }}, |
| 156 | #endif |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 157 | }; |
| 158 | |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 159 | #define MOD_SHIFT (1 << 0) |
| 160 | #define MOD_CTRL (1 << 1) |
| 161 | #define MOD_CAPSLOCK (1 << 2) |
| 162 | #define MOD_ALT (1 << 3) |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 163 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 164 | static void keyboard_cmd(unsigned char cmd, unsigned char val) |
| 165 | { |
Patrick Georgi | 583abc2 | 2011-11-10 15:48:37 +0100 | [diff] [blame] | 166 | while (inb(0x64) & 2); |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 167 | outb(cmd, 0x60); |
Patrick Georgi | 583abc2 | 2011-11-10 15:48:37 +0100 | [diff] [blame] | 168 | mdelay(20); |
| 169 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 170 | while (inb(0x64) & 2); |
| 171 | outb(val, 0x60); |
Patrick Georgi | 583abc2 | 2011-11-10 15:48:37 +0100 | [diff] [blame] | 172 | mdelay(20); |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 173 | } |
| 174 | |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 175 | int keyboard_havechar(void) |
| 176 | { |
| 177 | unsigned char c = inb(0x64); |
Jordan Crouse | ec6363d | 2008-10-20 17:07:26 +0000 | [diff] [blame] | 178 | return (c == 0xFF) ? 0 : c & 1; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | unsigned char keyboard_get_scancode(void) |
| 182 | { |
| 183 | unsigned char ch = 0; |
| 184 | |
| 185 | if (keyboard_havechar()) |
| 186 | ch = inb(0x60); |
| 187 | |
| 188 | return ch; |
| 189 | } |
| 190 | |
| 191 | int keyboard_getchar(void) |
| 192 | { |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 193 | static int modifier = 0; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 194 | unsigned char ch; |
| 195 | int shift; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 196 | int ret = 0; |
| 197 | |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 198 | while (!keyboard_havechar()) ; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 199 | |
| 200 | ch = keyboard_get_scancode(); |
| 201 | |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 202 | switch (ch) { |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 203 | case 0x36: |
| 204 | case 0x2a: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 205 | modifier |= MOD_SHIFT; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 206 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 207 | case 0x80 | 0x36: |
| 208 | case 0x80 | 0x2a: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 209 | modifier &= ~MOD_SHIFT; |
Stefan Reinauer | 96b734c | 2008-08-12 14:19:40 +0000 | [diff] [blame] | 210 | break; |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 211 | case 0x38: |
| 212 | modifier |= MOD_ALT; |
| 213 | break; |
| 214 | case 0x80 | 0x38: |
| 215 | modifier &= ~MOD_ALT; |
| 216 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 217 | case 0x1d: |
Stefan Reinauer | 56471f1 | 2008-09-02 09:35:43 +0000 | [diff] [blame] | 218 | modifier |= MOD_CTRL; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 219 | break; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 220 | case 0x80 | 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 0x3a: |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 224 | if (modifier & MOD_CAPSLOCK) { |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 225 | modifier &= ~MOD_CAPSLOCK; |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 226 | keyboard_cmd(0xed, (0 << 2)); |
| 227 | } else { |
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, (1 << 2)); |
| 230 | } |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 231 | break; |
| 232 | } |
| 233 | |
Uwe Hermann | 6a441bf | 2008-03-20 19:54:59 +0000 | [diff] [blame] | 234 | if (!(ch & 0x80) && ch < 0x57) { |
| 235 | shift = |
| 236 | (modifier & MOD_SHIFT) ^ (modifier & MOD_CAPSLOCK) ? 1 : 0; |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 237 | |
| 238 | if (modifier & MOD_ALT) |
| 239 | shift += 2; |
| 240 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 241 | ret = map->map[shift][ch]; |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 242 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 243 | if (modifier & MOD_CTRL) { |
| 244 | switch (ret) { |
| 245 | case 'a' ... 'z': |
| 246 | ret &= 0x1f; |
| 247 | break; |
| 248 | case KEY_DC: |
| 249 | /* vulcan nerve pinch */ |
| 250 | if ((modifier & MOD_ALT) && reset_handler) |
| 251 | reset_handler(); |
| 252 | default: |
| 253 | ret = 0; |
| 254 | } |
| 255 | } |
Jordan Crouse | f6145c3 | 2008-03-19 23:56:58 +0000 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | return ret; |
| 259 | } |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 260 | |
Patrick Georgi | fd5b370 | 2014-01-10 20:40:59 +0100 | [diff] [blame^] | 261 | static int keyboard_wait_write(void) |
| 262 | { |
| 263 | int retries = 10000; |
| 264 | |
| 265 | while(retries-- && (inb(0x64) & 0x02)) |
| 266 | udelay(50); |
| 267 | |
| 268 | return (retries <= 0) ? -1 : 0; |
| 269 | } |
| 270 | |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 271 | /** |
| 272 | * Set keyboard layout |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 273 | * @param country string describing the keyboard layout language. |
Patrick Georgi | 4727c07 | 2008-10-16 19:20:51 +0000 | [diff] [blame] | 274 | * Valid values are "us", "de". |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 275 | */ |
| 276 | |
| 277 | int keyboard_set_layout(char *country) |
| 278 | { |
| 279 | int i; |
| 280 | |
| 281 | for (i=0; i<ARRAY_SIZE(keyboard_layouts); i++) { |
| 282 | if (strncmp(keyboard_layouts[i].country, country, |
| 283 | strlen(keyboard_layouts[i].country))) |
| 284 | continue; |
| 285 | |
| 286 | /* Found, changing keyboard layout */ |
| 287 | map = &keyboard_layouts[i]; |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | /* Nothing found, not changed */ |
| 292 | return -1; |
| 293 | } |
| 294 | |
Patrick Georgi | 657a6dc | 2008-10-21 15:08:18 +0000 | [diff] [blame] | 295 | static struct console_input_driver cons = { |
| 296 | .havekey = keyboard_havechar, |
| 297 | .getchar = keyboard_getchar |
| 298 | }; |
| 299 | |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 300 | void keyboard_init(void) |
| 301 | { |
Stefan Reinauer | d84ef1e | 2008-09-26 18:37:26 +0000 | [diff] [blame] | 302 | map = &keyboard_layouts[0]; |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 303 | |
Jordan Crouse | ec6363d | 2008-10-20 17:07:26 +0000 | [diff] [blame] | 304 | /* If 0x64 returns 0xff, then we have no keyboard |
| 305 | * controller */ |
Jordan Crouse | ec6363d | 2008-10-20 17:07:26 +0000 | [diff] [blame] | 306 | if (inb(0x64) == 0xFF) |
| 307 | return; |
| 308 | |
Patrick Georgi | e6408a3 | 2008-09-17 18:12:46 +0000 | [diff] [blame] | 309 | /* Empty keyboard buffer */ |
| 310 | while (keyboard_havechar()) keyboard_getchar(); |
| 311 | |
Patrick Georgi | 657a6dc | 2008-10-21 15:08:18 +0000 | [diff] [blame] | 312 | console_add_input_driver(&cons); |
Jordan Crouse | 63f181f | 2008-04-25 23:09:39 +0000 | [diff] [blame] | 313 | } |
| 314 | |
Martin Roth | 3ee59f7 | 2013-07-26 16:31:21 -0600 | [diff] [blame] | 315 | void keyboard_disconnect(void) |
| 316 | { |
| 317 | /* If 0x64 returns 0xff, then we have no keyboard |
| 318 | * controller */ |
| 319 | if (inb(0x64) == 0xFF) |
| 320 | return; |
| 321 | |
| 322 | /* Empty keyboard buffer */ |
| 323 | while (keyboard_havechar()) |
| 324 | keyboard_getchar(); |
| 325 | |
| 326 | /* Send keyboard disconnect command */ |
| 327 | outb(I8042_CMD_DIS_KB, 0x64); |
| 328 | keyboard_wait_write(); |
| 329 | |
| 330 | /* Hand off with empty buffer */ |
| 331 | while (keyboard_havechar()) |
| 332 | keyboard_getchar(); |
| 333 | } |