| 1 | /*
|
|---|
| 2 | * Copyright (c) 2006 Jakub Jermar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - 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 | * - 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 ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup genarch
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /**
|
|---|
| 33 | * @file
|
|---|
| 34 | * @brief Key processing.
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #include <genarch/kbd/key.h>
|
|---|
| 38 | #include <genarch/kbd/scanc.h>
|
|---|
| 39 | #ifdef CONFIG_I8042
|
|---|
| 40 | #include <genarch/kbd/scanc_pc.h>
|
|---|
| 41 | #endif
|
|---|
| 42 |
|
|---|
| 43 | #if (defined(sparc64))
|
|---|
| 44 | #if (defined(CONFIG_Z8530) || defined(CONFIG_NS16550))
|
|---|
| 45 | #include <genarch/kbd/scanc_sun.h>
|
|---|
| 46 | #endif
|
|---|
| 47 | #endif
|
|---|
| 48 |
|
|---|
| 49 | #include <synch/spinlock.h>
|
|---|
| 50 | #include <console/chardev.h>
|
|---|
| 51 | #include <macros.h>
|
|---|
| 52 |
|
|---|
| 53 | #define PRESSED_SHIFT (1<<0)
|
|---|
| 54 | #define PRESSED_CAPSLOCK (1<<1)
|
|---|
| 55 | #define LOCKED_CAPSLOCK (1<<0)
|
|---|
| 56 |
|
|---|
| 57 | #define ACTIVE_READ_BUFF_SIZE 16 /* Must be power of 2 */
|
|---|
| 58 |
|
|---|
| 59 | chardev_t kbrd;
|
|---|
| 60 |
|
|---|
| 61 | static uint8_t active_read_buff[ACTIVE_READ_BUFF_SIZE];
|
|---|
| 62 |
|
|---|
| 63 | SPINLOCK_INITIALIZE(keylock); /**< keylock protects keyflags and lockflags. */
|
|---|
| 64 | static volatile int keyflags; /**< Tracking of multiple keypresses. */
|
|---|
| 65 | static volatile int lockflags; /**< Tracking of multiple keys lockings. */
|
|---|
| 66 |
|
|---|
| 67 | /** Process release of key.
|
|---|
| 68 | *
|
|---|
| 69 | * @param sc Scancode of the key being released.
|
|---|
| 70 | */
|
|---|
| 71 | void key_released(uint8_t sc)
|
|---|
| 72 | {
|
|---|
| 73 | spinlock_lock(&keylock);
|
|---|
| 74 | switch (sc) {
|
|---|
| 75 | case SC_LSHIFT:
|
|---|
| 76 | case SC_RSHIFT:
|
|---|
| 77 | keyflags &= ~PRESSED_SHIFT;
|
|---|
| 78 | break;
|
|---|
| 79 | case SC_CAPSLOCK:
|
|---|
| 80 | keyflags &= ~PRESSED_CAPSLOCK;
|
|---|
| 81 | if (lockflags & LOCKED_CAPSLOCK)
|
|---|
| 82 | lockflags &= ~LOCKED_CAPSLOCK;
|
|---|
| 83 | else
|
|---|
| 84 | lockflags |= LOCKED_CAPSLOCK;
|
|---|
| 85 | break;
|
|---|
| 86 | default:
|
|---|
| 87 | break;
|
|---|
| 88 | }
|
|---|
| 89 | spinlock_unlock(&keylock);
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
| 92 | /** Process keypress.
|
|---|
| 93 | *
|
|---|
| 94 | * @param sc Scancode of the key being pressed.
|
|---|
| 95 | */
|
|---|
| 96 | void key_pressed(uint8_t sc)
|
|---|
| 97 | {
|
|---|
| 98 | char *map = sc_primary_map;
|
|---|
| 99 | char ascii = sc_primary_map[sc];
|
|---|
| 100 | bool shift, capslock;
|
|---|
| 101 | bool letter = false;
|
|---|
| 102 |
|
|---|
| 103 | spinlock_lock(&keylock);
|
|---|
| 104 | switch (sc) {
|
|---|
| 105 | case SC_LSHIFT:
|
|---|
| 106 | case SC_RSHIFT:
|
|---|
| 107 | keyflags |= PRESSED_SHIFT;
|
|---|
| 108 | break;
|
|---|
| 109 | case SC_CAPSLOCK:
|
|---|
| 110 | keyflags |= PRESSED_CAPSLOCK;
|
|---|
| 111 | break;
|
|---|
| 112 | case SC_SPEC_ESCAPE:
|
|---|
| 113 | break;
|
|---|
| 114 | case SC_LEFTARR:
|
|---|
| 115 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 116 | chardev_push_character(&kbrd, 0x5b);
|
|---|
| 117 | chardev_push_character(&kbrd, 0x44);
|
|---|
| 118 | break;
|
|---|
| 119 | case SC_RIGHTARR:
|
|---|
| 120 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 121 | chardev_push_character(&kbrd, 0x5b);
|
|---|
| 122 | chardev_push_character(&kbrd, 0x43);
|
|---|
| 123 | break;
|
|---|
| 124 | case SC_UPARR:
|
|---|
| 125 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 126 | chardev_push_character(&kbrd, 0x5b);
|
|---|
| 127 | chardev_push_character(&kbrd, 0x41);
|
|---|
| 128 | break;
|
|---|
| 129 | case SC_DOWNARR:
|
|---|
| 130 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 131 | chardev_push_character(&kbrd, 0x5b);
|
|---|
| 132 | chardev_push_character(&kbrd, 0x42);
|
|---|
| 133 | break;
|
|---|
| 134 | case SC_HOME:
|
|---|
| 135 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 136 | chardev_push_character(&kbrd, 0x4f);
|
|---|
| 137 | chardev_push_character(&kbrd, 0x48);
|
|---|
| 138 | break;
|
|---|
| 139 | case SC_END:
|
|---|
| 140 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 141 | chardev_push_character(&kbrd, 0x4f);
|
|---|
| 142 | chardev_push_character(&kbrd, 0x46);
|
|---|
| 143 | break;
|
|---|
| 144 | case SC_DELETE:
|
|---|
| 145 | chardev_push_character(&kbrd, 0x1b);
|
|---|
| 146 | chardev_push_character(&kbrd, 0x5b);
|
|---|
| 147 | chardev_push_character(&kbrd, 0x33);
|
|---|
| 148 | chardev_push_character(&kbrd, 0x7e);
|
|---|
| 149 | break;
|
|---|
| 150 | default:
|
|---|
| 151 | letter = islower(ascii);
|
|---|
| 152 | capslock = (keyflags & PRESSED_CAPSLOCK) ||
|
|---|
| 153 | (lockflags & LOCKED_CAPSLOCK);
|
|---|
| 154 | shift = keyflags & PRESSED_SHIFT;
|
|---|
| 155 | if (letter && capslock)
|
|---|
| 156 | shift = !shift;
|
|---|
| 157 | if (shift)
|
|---|
| 158 | map = sc_secondary_map;
|
|---|
| 159 | chardev_push_character(&kbrd, map[sc]);
|
|---|
| 160 | break;
|
|---|
| 161 | }
|
|---|
| 162 | spinlock_unlock(&keylock);
|
|---|
| 163 | }
|
|---|
| 164 |
|
|---|
| 165 | uint8_t active_read_buff_read(void)
|
|---|
| 166 | {
|
|---|
| 167 | static int i=0;
|
|---|
| 168 | i &= (ACTIVE_READ_BUFF_SIZE-1);
|
|---|
| 169 | if(!active_read_buff[i]) {
|
|---|
| 170 | return 0;
|
|---|
| 171 | }
|
|---|
| 172 | return active_read_buff[i++];
|
|---|
| 173 | }
|
|---|
| 174 |
|
|---|
| 175 | void active_read_buff_write(uint8_t ch)
|
|---|
| 176 | {
|
|---|
| 177 | static int i=0;
|
|---|
| 178 | active_read_buff[i] = ch;
|
|---|
| 179 | i++;
|
|---|
| 180 | i &= (ACTIVE_READ_BUFF_SIZE-1);
|
|---|
| 181 | active_read_buff[i]=0;
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 |
|
|---|
| 185 | void active_read_key_pressed(uint8_t sc)
|
|---|
| 186 | {
|
|---|
| 187 | char *map = sc_primary_map;
|
|---|
| 188 | char ascii = sc_primary_map[sc];
|
|---|
| 189 | bool shift, capslock;
|
|---|
| 190 | bool letter = false;
|
|---|
| 191 |
|
|---|
| 192 | /*spinlock_lock(&keylock);*/
|
|---|
| 193 | switch (sc) {
|
|---|
| 194 | case SC_LSHIFT:
|
|---|
| 195 | case SC_RSHIFT:
|
|---|
| 196 | keyflags |= PRESSED_SHIFT;
|
|---|
| 197 | break;
|
|---|
| 198 | case SC_CAPSLOCK:
|
|---|
| 199 | keyflags |= PRESSED_CAPSLOCK;
|
|---|
| 200 | break;
|
|---|
| 201 | case SC_SPEC_ESCAPE:
|
|---|
| 202 | break;
|
|---|
| 203 | case SC_LEFTARR:
|
|---|
| 204 | active_read_buff_write(0x1b);
|
|---|
| 205 | active_read_buff_write(0x5b);
|
|---|
| 206 | active_read_buff_write(0x44);
|
|---|
| 207 | break;
|
|---|
| 208 | case SC_RIGHTARR:
|
|---|
| 209 | active_read_buff_write(0x1b);
|
|---|
| 210 | active_read_buff_write(0x5b);
|
|---|
| 211 | active_read_buff_write(0x43);
|
|---|
| 212 | break;
|
|---|
| 213 | case SC_UPARR:
|
|---|
| 214 | active_read_buff_write(0x1b);
|
|---|
| 215 | active_read_buff_write(0x5b);
|
|---|
| 216 | active_read_buff_write(0x41);
|
|---|
| 217 | break;
|
|---|
| 218 | case SC_DOWNARR:
|
|---|
| 219 | active_read_buff_write(0x1b);
|
|---|
| 220 | active_read_buff_write(0x5b);
|
|---|
| 221 | active_read_buff_write(0x42);
|
|---|
| 222 | break;
|
|---|
| 223 | case SC_HOME:
|
|---|
| 224 | active_read_buff_write(0x1b);
|
|---|
| 225 | active_read_buff_write(0x4f);
|
|---|
| 226 | active_read_buff_write(0x48);
|
|---|
| 227 | break;
|
|---|
| 228 | case SC_END:
|
|---|
| 229 | active_read_buff_write(0x1b);
|
|---|
| 230 | active_read_buff_write(0x4f);
|
|---|
| 231 | active_read_buff_write(0x46);
|
|---|
| 232 | break;
|
|---|
| 233 | case SC_DELETE:
|
|---|
| 234 | active_read_buff_write(0x1b);
|
|---|
| 235 | active_read_buff_write(0x5b);
|
|---|
| 236 | active_read_buff_write(0x33);
|
|---|
| 237 | active_read_buff_write(0x7e);
|
|---|
| 238 | break;
|
|---|
| 239 | default:
|
|---|
| 240 | letter = islower(ascii);
|
|---|
| 241 | capslock = (keyflags & PRESSED_CAPSLOCK) ||
|
|---|
| 242 | (lockflags & LOCKED_CAPSLOCK);
|
|---|
| 243 | shift = keyflags & PRESSED_SHIFT;
|
|---|
| 244 | if (letter && capslock)
|
|---|
| 245 | shift = !shift;
|
|---|
| 246 | if (shift)
|
|---|
| 247 | map = sc_secondary_map;
|
|---|
| 248 | active_read_buff_write(map[sc]);
|
|---|
| 249 | break;
|
|---|
| 250 | }
|
|---|
| 251 | /*spinlock_unlock(&keylock);*/
|
|---|
| 252 |
|
|---|
| 253 | }
|
|---|
| 254 |
|
|---|
| 255 | /** @}
|
|---|
| 256 | */
|
|---|
