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4419 | trochtova | 1 | /* |
2 | * Copyright (c) 2009 Jiri Svoboda |
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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 | |||
29 | /** @addtogroup kbd_ctl |
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30 | * @ingroup kbd |
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31 | * @{ |
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32 | */ |
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33 | /** |
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34 | * @file |
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4537 | trochtova | 35 | * @brief PC keyboard controller driver. |
4419 | trochtova | 36 | */ |
37 | |||
38 | #include <kbd.h> |
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4537 | trochtova | 39 | #include <io/console.h> |
40 | #include <io/keycode.h> |
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4419 | trochtova | 41 | #include <kbd_ctl.h> |
42 | #include <gsp.h> |
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43 | |||
44 | enum dec_state { |
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45 | ds_s, |
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46 | ds_e |
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47 | }; |
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48 | |||
49 | static enum dec_state ds; |
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50 | |||
51 | static int scanmap_simple[] = { |
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52 | |||
53 | [0x29] = KC_BACKTICK, |
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54 | |||
55 | [0x02] = KC_1, |
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56 | [0x03] = KC_2, |
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57 | [0x04] = KC_3, |
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58 | [0x05] = KC_4, |
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59 | [0x06] = KC_5, |
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60 | [0x07] = KC_6, |
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61 | [0x08] = KC_7, |
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62 | [0x09] = KC_8, |
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63 | [0x0a] = KC_9, |
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64 | [0x0b] = KC_0, |
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65 | |||
66 | [0x0c] = KC_MINUS, |
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67 | [0x0d] = KC_EQUALS, |
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68 | [0x0e] = KC_BACKSPACE, |
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69 | |||
70 | [0x0f] = KC_TAB, |
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71 | |||
72 | [0x10] = KC_Q, |
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73 | [0x11] = KC_W, |
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74 | [0x12] = KC_E, |
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75 | [0x13] = KC_R, |
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76 | [0x14] = KC_T, |
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77 | [0x15] = KC_Y, |
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78 | [0x16] = KC_U, |
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79 | [0x17] = KC_I, |
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80 | [0x18] = KC_O, |
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81 | [0x19] = KC_P, |
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82 | |||
83 | [0x1a] = KC_LBRACKET, |
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84 | [0x1b] = KC_RBRACKET, |
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85 | |||
86 | [0x3a] = KC_CAPS_LOCK, |
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87 | |||
88 | [0x1e] = KC_A, |
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89 | [0x1f] = KC_S, |
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90 | [0x20] = KC_D, |
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91 | [0x21] = KC_F, |
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92 | [0x22] = KC_G, |
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93 | [0x23] = KC_H, |
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94 | [0x24] = KC_J, |
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95 | [0x25] = KC_K, |
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96 | [0x26] = KC_L, |
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97 | |||
98 | [0x27] = KC_SEMICOLON, |
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99 | [0x28] = KC_QUOTE, |
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100 | [0x2b] = KC_BACKSLASH, |
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101 | |||
102 | [0x2a] = KC_LSHIFT, |
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103 | |||
104 | [0x2c] = KC_Z, |
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105 | [0x2d] = KC_X, |
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106 | [0x2e] = KC_C, |
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107 | [0x2f] = KC_V, |
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108 | [0x30] = KC_B, |
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109 | [0x31] = KC_N, |
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110 | [0x32] = KC_M, |
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111 | |||
112 | [0x33] = KC_COMMA, |
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113 | [0x34] = KC_PERIOD, |
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114 | [0x35] = KC_SLASH, |
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115 | |||
116 | [0x36] = KC_RSHIFT, |
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117 | |||
118 | [0x1d] = KC_LCTRL, |
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119 | [0x38] = KC_LALT, |
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120 | [0x39] = KC_SPACE, |
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121 | |||
122 | [0x01] = KC_ESCAPE, |
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123 | |||
124 | [0x3b] = KC_F1, |
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125 | [0x3c] = KC_F2, |
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126 | [0x3d] = KC_F3, |
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127 | [0x3e] = KC_F4, |
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128 | [0x3f] = KC_F5, |
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129 | [0x40] = KC_F6, |
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130 | [0x41] = KC_F7, |
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131 | |||
132 | [0x42] = KC_F8, |
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133 | [0x43] = KC_F9, |
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134 | [0x44] = KC_F10, |
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135 | |||
136 | [0x57] = KC_F11, |
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137 | [0x58] = KC_F12, |
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138 | |||
139 | [0x46] = KC_SCROLL_LOCK, |
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140 | |||
141 | [0x1c] = KC_ENTER, |
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142 | |||
143 | [0x45] = KC_NUM_LOCK, |
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144 | [0x37] = KC_NTIMES, |
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145 | [0x4a] = KC_NMINUS, |
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146 | [0x4e] = KC_NPLUS, |
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147 | [0x47] = KC_N7, |
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148 | [0x48] = KC_N8, |
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149 | [0x49] = KC_N9, |
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150 | [0x4b] = KC_N4, |
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151 | [0x4c] = KC_N5, |
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152 | [0x4d] = KC_N6, |
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153 | [0x4f] = KC_N1, |
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154 | [0x50] = KC_N2, |
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155 | [0x51] = KC_N3, |
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156 | [0x52] = KC_N0, |
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157 | [0x53] = KC_NPERIOD |
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158 | }; |
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159 | |||
160 | static int scanmap_e0[] = { |
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161 | [0x38] = KC_RALT, |
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162 | [0x1d] = KC_RSHIFT, |
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163 | |||
164 | [0x37] = KC_PRTSCR, |
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165 | |||
166 | [0x52] = KC_INSERT, |
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167 | [0x47] = KC_HOME, |
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168 | [0x49] = KC_PAGE_UP, |
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169 | |||
170 | [0x53] = KC_DELETE, |
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171 | [0x4f] = KC_END, |
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172 | [0x51] = KC_PAGE_DOWN, |
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173 | |||
174 | [0x48] = KC_UP, |
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175 | [0x4b] = KC_LEFT, |
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176 | [0x50] = KC_DOWN, |
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177 | [0x4d] = KC_RIGHT, |
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178 | |||
179 | [0x35] = KC_NSLASH, |
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180 | [0x1c] = KC_NENTER |
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181 | }; |
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182 | |||
183 | int kbd_ctl_init(void) |
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184 | { |
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185 | ds = ds_s; |
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186 | return 0; |
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187 | } |
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188 | |||
189 | void kbd_ctl_parse_scancode(int scancode) |
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190 | { |
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4537 | trochtova | 191 | console_ev_type_t type; |
4419 | trochtova | 192 | unsigned int key; |
193 | int *map; |
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194 | size_t map_length; |
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195 | |||
196 | if (scancode == 0xe0) { |
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197 | ds = ds_e; |
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198 | return; |
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199 | } |
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200 | |||
201 | switch (ds) { |
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202 | case ds_s: |
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203 | map = scanmap_simple; |
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204 | map_length = sizeof(scanmap_simple) / sizeof(int); |
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205 | break; |
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206 | case ds_e: |
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207 | map = scanmap_e0; |
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208 | map_length = sizeof(scanmap_e0) / sizeof(int); |
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209 | break; |
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210 | } |
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211 | |||
212 | ds = ds_s; |
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213 | |||
214 | if (scancode & 0x80) { |
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215 | scancode &= ~0x80; |
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4537 | trochtova | 216 | type = KEY_RELEASE; |
4419 | trochtova | 217 | } else { |
4537 | trochtova | 218 | type = KEY_PRESS; |
4419 | trochtova | 219 | } |
220 | |||
221 | if (scancode < 0 || scancode >= map_length) |
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222 | return; |
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223 | |||
224 | key = map[scancode]; |
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225 | if (key != 0) |
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226 | kbd_push_ev(type, key); |
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227 | } |
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228 | |||
229 | /** |
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230 | * @} |
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231 | */ |