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ed838d0c | 1 | /** @file\r |
2 | \r | |
813acf3a | 3 | Copyright (c) 2004 - 2008, Intel Corporation\r |
ed838d0c | 4 | All rights reserved. This program and the accompanying materials\r |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | Keyboard.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Helper functions for USB Keyboard Driver\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | \r | |
23 | **/\r | |
24 | \r | |
25 | #include "keyboard.h"\r | |
26 | #include <Library/UsbLib.h>\r | |
813acf3a | 27 | \r |
28 | //\r | |
29 | // Static English keyboard layout\r | |
30 | // Format:<efi key>, <unicode without shift>, <unicode with shift>, <Modifier>, <AffectedAttribute>\r | |
31 | //\r | |
32 | STATIC\r | |
33 | UINT8 KeyboardLayoutTable[USB_KEYCODE_MAX_MAKE + 8][5] = {\r | |
34 | {EfiKeyC1, 'a', 'A', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x04\r | |
35 | {EfiKeyB5, 'b', 'B', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x05\r | |
36 | {EfiKeyB3, 'c', 'C', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x06\r | |
37 | {EfiKeyC3, 'd', 'D', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x07\r | |
38 | {EfiKeyD3, 'e', 'E', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x08\r | |
39 | {EfiKeyC4, 'f', 'F', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x09\r | |
40 | {EfiKeyC5, 'g', 'G', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x0A\r | |
41 | {EfiKeyC6, 'h', 'H', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x0B\r | |
42 | {EfiKeyD8, 'i', 'I', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x0C\r | |
43 | {EfiKeyC7, 'j', 'J', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x0D\r | |
44 | {EfiKeyC8, 'k', 'K', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x0E\r | |
45 | {EfiKeyC9, 'l', 'L', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x0F\r | |
46 | {EfiKeyB7, 'm', 'M', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x10\r | |
47 | {EfiKeyB6, 'n', 'N', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x11\r | |
48 | {EfiKeyD9, 'o', 'O', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x12\r | |
49 | {EfiKeyD10, 'p', 'P', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x13\r | |
50 | {EfiKeyD1, 'q', 'Q', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x14\r | |
51 | {EfiKeyD4, 'r', 'R', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x15\r | |
52 | {EfiKeyC2, 's', 'S', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x16\r | |
53 | {EfiKeyD5, 't', 'T', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x17\r | |
54 | {EfiKeyD7, 'u', 'U', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x18\r | |
55 | {EfiKeyB4, 'v', 'V', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x19\r | |
56 | {EfiKeyD2, 'w', 'W', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x1A\r | |
57 | {EfiKeyB2, 'x', 'X', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x1B\r | |
58 | {EfiKeyD6, 'y', 'Y', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x1C\r | |
59 | {EfiKeyB1, 'z', 'Z', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_CAPS_LOCK}, // 0x1D\r | |
60 | {EfiKeyE1, '1', '!', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x1E\r | |
61 | {EfiKeyE2, '2', '@', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x1F\r | |
62 | {EfiKeyE3, '3', '#', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x20\r | |
63 | {EfiKeyE4, '4', '$', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x21\r | |
64 | {EfiKeyE5, '5', '%', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x22\r | |
65 | {EfiKeyE6, '6', '^', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x23\r | |
66 | {EfiKeyE7, '7', '&', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x24\r | |
67 | {EfiKeyE8, '8', '*', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x25\r | |
68 | {EfiKeyE9, '9', '(', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x26\r | |
69 | {EfiKeyE10, '0', ')', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x27\r | |
70 | {EfiKeyEnter, 0x0d, 0x0d, EFI_NULL_MODIFIER, 0}, // 0x28 Enter\r | |
71 | {EfiKeyEsc, 0x1b, 0x1b, EFI_NULL_MODIFIER, 0}, // 0x29 Esc\r | |
72 | {EfiKeyBackSpace, 0x08, 0x08, EFI_NULL_MODIFIER, 0}, // 0x2A Backspace\r | |
73 | {EfiKeyTab, 0x09, 0x09, EFI_NULL_MODIFIER, 0}, // 0x2B Tab\r | |
74 | {EfiKeySpaceBar, ' ', ' ', EFI_NULL_MODIFIER, 0}, // 0x2C Spacebar\r | |
75 | {EfiKeyE11, '-', '_', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x2D\r | |
76 | {EfiKeyE12, '=', '+', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x2E\r | |
77 | {EfiKeyD11, '[', '{', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x2F\r | |
78 | {EfiKeyD12, ']', '}', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x30\r | |
79 | {EfiKeyD13, '\\', '|', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x31\r | |
80 | {EfiKeyC12, '\\', '|', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x32 Keyboard Non-US # and ~\r | |
81 | {EfiKeyC10, ';', ':', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x33\r | |
82 | {EfiKeyC11, '\'', '"', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x34\r | |
83 | {EfiKeyE0, '`', '~', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x35 Keyboard Grave Accent and Tlide\r | |
84 | {EfiKeyB8, ',', '<', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x36\r | |
85 | {EfiKeyB9, '.', '>', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x37\r | |
86 | {EfiKeyB10, '/', '?', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x38\r | |
87 | {EfiKeyCapsLock, 0x00, 0x00, EFI_CAPS_LOCK_MODIFIER, 0}, // 0x39 CapsLock\r | |
88 | {EfiKeyF1, 0x00, 0x00, EFI_FUNCTION_KEY_ONE_MODIFIER, 0}, // 0x3A\r | |
89 | {EfiKeyF2, 0x00, 0x00, EFI_FUNCTION_KEY_TWO_MODIFIER, 0}, // 0x3B\r | |
90 | {EfiKeyF3, 0x00, 0x00, EFI_FUNCTION_KEY_THREE_MODIFIER, 0}, // 0x3C\r | |
91 | {EfiKeyF4, 0x00, 0x00, EFI_FUNCTION_KEY_FOUR_MODIFIER, 0}, // 0x3D\r | |
92 | {EfiKeyF5, 0x00, 0x00, EFI_FUNCTION_KEY_FIVE_MODIFIER, 0}, // 0x3E\r | |
93 | {EfiKeyF6, 0x00, 0x00, EFI_FUNCTION_KEY_SIX_MODIFIER, 0}, // 0x3F\r | |
94 | {EfiKeyF7, 0x00, 0x00, EFI_FUNCTION_KEY_SEVEN_MODIFIER, 0}, // 0x40\r | |
95 | {EfiKeyF8, 0x00, 0x00, EFI_FUNCTION_KEY_EIGHT_MODIFIER, 0}, // 0x41\r | |
96 | {EfiKeyF9, 0x00, 0x00, EFI_FUNCTION_KEY_NINE_MODIFIER, 0}, // 0x42\r | |
97 | {EfiKeyF10, 0x00, 0x00, EFI_FUNCTION_KEY_TEN_MODIFIER, 0}, // 0x43\r | |
98 | {EfiKeyF11, 0x00, 0x00, EFI_FUNCTION_KEY_ELEVEN_MODIFIER, 0}, // 0x44 F11\r | |
99 | {EfiKeyF12, 0x00, 0x00, EFI_FUNCTION_KEY_TWELVE_MODIFIER, 0}, // 0x45 F12\r | |
100 | {EfiKeyPrint, 0x00, 0x00, EFI_PRINT_MODIFIER, 0}, // 0x46 PrintScreen\r | |
101 | {EfiKeySLck, 0x00, 0x00, EFI_SCROLL_LOCK_MODIFIER, 0}, // 0x47 Scroll Lock\r | |
102 | {EfiKeyPause, 0x00, 0x00, EFI_PAUSE_MODIFIER, 0}, // 0x48 Pause\r | |
103 | {EfiKeyIns, 0x00, 0x00, EFI_INSERT_MODIFIER, 0}, // 0x49\r | |
104 | {EfiKeyHome, 0x00, 0x00, EFI_HOME_MODIFIER, 0}, // 0x4A\r | |
105 | {EfiKeyPgUp, 0x00, 0x00, EFI_PAGE_UP_MODIFIER, 0}, // 0x4B\r | |
106 | {EfiKeyDel, 0x00, 0x00, EFI_DELETE_MODIFIER, 0}, // 0x4C\r | |
107 | {EfiKeyEnd, 0x00, 0x00, EFI_END_MODIFIER, 0}, // 0x4D\r | |
108 | {EfiKeyPgDn, 0x00, 0x00, EFI_PAGE_DOWN_MODIFIER, 0}, // 0x4E\r | |
109 | {EfiKeyRightArrow, 0x00, 0x00, EFI_RIGHT_ARROW_MODIFIER, 0}, // 0x4F\r | |
110 | {EfiKeyLeftArrow, 0x00, 0x00, EFI_LEFT_ARROW_MODIFIER, 0}, // 0x50\r | |
111 | {EfiKeyDownArrow, 0x00, 0x00, EFI_DOWN_ARROW_MODIFIER, 0}, // 0x51\r | |
112 | {EfiKeyUpArrow, 0x00, 0x00, EFI_UP_ARROW_MODIFIER, 0}, // 0x52\r | |
113 | {EfiKeyNLck, 0x00, 0x00, EFI_NUM_LOCK_MODIFIER, 0}, // 0x53 NumLock\r | |
114 | {EfiKeySlash, '/', '/', EFI_NULL_MODIFIER, 0}, // 0x54\r | |
115 | {EfiKeyAsterisk, '*', '*', EFI_NULL_MODIFIER, 0}, // 0x55\r | |
116 | {EfiKeyMinus, '-', '-', EFI_NULL_MODIFIER, 0}, // 0x56\r | |
117 | {EfiKeyPlus, '+', '+', EFI_NULL_MODIFIER, 0}, // 0x57\r | |
118 | {EfiKeyEnter, 0x0d, 0x0d, EFI_NULL_MODIFIER, 0}, // 0x58\r | |
119 | {EfiKeyOne, '1', '1', EFI_END_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x59\r | |
120 | {EfiKeyTwo, '2', '2', EFI_DOWN_ARROW_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x5A\r | |
121 | {EfiKeyThree, '3', '3', EFI_PAGE_DOWN_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x5B\r | |
122 | {EfiKeyFour, '4', '4', EFI_LEFT_ARROW_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x5C\r | |
123 | {EfiKeyFive, '5', '5', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x5D\r | |
124 | {EfiKeySix, '6', '6', EFI_RIGHT_ARROW_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x5E\r | |
125 | {EfiKeySeven, '7', '7', EFI_HOME_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x5F\r | |
126 | {EfiKeyEight, '8', '8', EFI_UP_ARROW_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x60\r | |
127 | {EfiKeyNine, '9', '9', EFI_PAGE_UP_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x61\r | |
128 | {EfiKeyZero, '0', '0', EFI_INSERT_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x62\r | |
129 | {EfiKeyPeriod, '.', '.', EFI_DELETE_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT | EFI_AFFECTED_BY_NUM_LOCK}, // 0x63\r | |
130 | {EfiKeyB0, '\\', '|', EFI_NULL_MODIFIER, EFI_AFFECTED_BY_STANDARD_SHIFT}, // 0x64 Keyboard Non-US \ and |\r | |
a77267d2 | 131 | {EfiKeyA4, 0x00, 0x00, EFI_MENU_MODIFIER, 0}, // 0x65 Keyboard Application\r |
813acf3a | 132 | \r |
133 | {EfiKeyLCtrl, 0, 0, EFI_LEFT_CONTROL_MODIFIER, 0}, // 0xe0\r | |
134 | {EfiKeyLShift, 0, 0, EFI_LEFT_SHIFT_MODIFIER, 0}, // 0xe1\r | |
135 | {EfiKeyLAlt, 0, 0, EFI_LEFT_ALT_MODIFIER, 0}, // 0xe2\r | |
a77267d2 | 136 | {EfiKeyA0, 0, 0, EFI_LEFT_LOGO_MODIFIER, 0}, // 0xe3\r |
813acf3a | 137 | {EfiKeyRCtrl, 0, 0, EFI_RIGHT_CONTROL_MODIFIER, 0}, // 0xe4\r |
138 | {EfiKeyRShift, 0, 0, EFI_RIGHT_SHIFT_MODIFIER, 0}, // 0xe5\r | |
139 | {EfiKeyA2, 0, 0, EFI_RIGHT_ALT_MODIFIER, 0}, // 0xe6\r | |
a77267d2 | 140 | {EfiKeyA3, 0, 0, EFI_RIGHT_LOGO_MODIFIER, 0}, // 0xe7\r |
813acf3a | 141 | };\r |
142 | \r | |
143 | VOID\r | |
144 | LoadDefaultKeyboardLayout (\r | |
145 | IN USB_KB_DEV *UsbKeyboardDevice\r | |
146 | )\r | |
147 | /*++\r | |
148 | \r | |
149 | Routine Description:\r | |
150 | Initialize KeyConvertionTable by using default keyboard layout.\r | |
151 | \r | |
152 | Arguments:\r | |
153 | UsbKeyboardDevice The USB_KB_DEV instance.\r | |
154 | \r | |
155 | Returns:\r | |
156 | None.\r | |
157 | \r | |
158 | --*/\r | |
159 | {\r | |
160 | UINTN Index;\r | |
161 | EFI_KEY_DESCRIPTOR *KeyDescriptor;\r | |
162 | \r | |
163 | //\r | |
164 | // Construct KeyConvertionTable by default keyboard layout\r | |
165 | //\r | |
166 | KeyDescriptor = &UsbKeyboardDevice->KeyConvertionTable[0];\r | |
167 | \r | |
168 | for (Index = 0; Index < (USB_KEYCODE_MAX_MAKE + 8); Index++) {\r | |
169 | KeyDescriptor->Key = (EFI_KEY) KeyboardLayoutTable[Index][0];\r | |
170 | KeyDescriptor->Unicode = KeyboardLayoutTable[Index][1];\r | |
171 | KeyDescriptor->ShiftedUnicode = KeyboardLayoutTable[Index][2];\r | |
172 | KeyDescriptor->AltGrUnicode = 0;\r | |
173 | KeyDescriptor->ShiftedAltGrUnicode = 0;\r | |
174 | KeyDescriptor->Modifier = KeyboardLayoutTable[Index][3];\r | |
175 | KeyDescriptor->AffectedAttribute = KeyboardLayoutTable[Index][4];\r | |
176 | \r | |
177 | KeyDescriptor++;\r | |
178 | }\r | |
179 | }\r | |
180 | \r | |
181 | //\r | |
182 | // EFI_KEY to USB Scan Code convertion table\r | |
183 | //\r | |
184 | STATIC\r | |
185 | UINT8 UsbScanCodeConvertionTable[] = {\r | |
186 | 0xe0, // EfiKeyLCtrl\r | |
187 | 0xe3, // EfiKeyA0\r | |
188 | 0xe2, // EfiKeyLAlt\r | |
189 | 0x2c, // EfiKeySpaceBar\r | |
190 | 0xe6, // EfiKeyA2\r | |
191 | 0xe7, // EfiKeyA3\r | |
192 | 0x65, // EfiKeyA4\r | |
193 | 0xe4, // EfiKeyRCtrl\r | |
194 | 0x50, // EfiKeyLeftArrow\r | |
195 | 0x51, // EfiKeyDownArrow\r | |
196 | 0x4F, // EfiKeyRightArrow\r | |
197 | 0x62, // EfiKeyZero\r | |
198 | 0x63, // EfiKeyPeriod\r | |
199 | 0x28, // EfiKeyEnter\r | |
200 | 0xe1, // EfiKeyLShift\r | |
201 | 0x64, // EfiKeyB0\r | |
202 | 0x1D, // EfiKeyB1\r | |
203 | 0x1B, // EfiKeyB2\r | |
204 | 0x06, // EfiKeyB3\r | |
205 | 0x19, // EfiKeyB4\r | |
206 | 0x05, // EfiKeyB5\r | |
207 | 0x11, // EfiKeyB6\r | |
208 | 0x10, // EfiKeyB7\r | |
209 | 0x36, // EfiKeyB8\r | |
210 | 0x37, // EfiKeyB9\r | |
211 | 0x38, // EfiKeyB10\r | |
212 | 0xe5, // EfiKeyRShift\r | |
213 | 0x52, // EfiKeyUpArrow\r | |
214 | 0x59, // EfiKeyOne\r | |
215 | 0x5A, // EfiKeyTwo\r | |
216 | 0x5B, // EfiKeyThree\r | |
217 | 0x39, // EfiKeyCapsLock\r | |
218 | 0x04, // EfiKeyC1\r | |
219 | 0x16, // EfiKeyC2\r | |
220 | 0x07, // EfiKeyC3\r | |
221 | 0x09, // EfiKeyC4\r | |
222 | 0x0A, // EfiKeyC5\r | |
223 | 0x0B, // EfiKeyC6\r | |
224 | 0x0D, // EfiKeyC7\r | |
225 | 0x0E, // EfiKeyC8\r | |
226 | 0x0F, // EfiKeyC9\r | |
227 | 0x33, // EfiKeyC10\r | |
228 | 0x34, // EfiKeyC11\r | |
229 | 0x32, // EfiKeyC12\r | |
230 | 0x5C, // EfiKeyFour\r | |
231 | 0x5D, // EfiKeyFive\r | |
232 | 0x5E, // EfiKeySix\r | |
233 | 0x57, // EfiKeyPlus\r | |
234 | 0x2B, // EfiKeyTab\r | |
235 | 0x14, // EfiKeyD1\r | |
236 | 0x1A, // EfiKeyD2\r | |
237 | 0x08, // EfiKeyD3\r | |
238 | 0x15, // EfiKeyD4\r | |
239 | 0x17, // EfiKeyD5\r | |
240 | 0x1C, // EfiKeyD6\r | |
241 | 0x18, // EfiKeyD7\r | |
242 | 0x0C, // EfiKeyD8\r | |
243 | 0x12, // EfiKeyD9\r | |
244 | 0x13, // EfiKeyD10\r | |
245 | 0x2F, // EfiKeyD11\r | |
246 | 0x30, // EfiKeyD12\r | |
247 | 0x31, // EfiKeyD13\r | |
248 | 0x4C, // EfiKeyDel\r | |
249 | 0x4D, // EfiKeyEnd\r | |
250 | 0x4E, // EfiKeyPgDn\r | |
251 | 0x5F, // EfiKeySeven\r | |
252 | 0x60, // EfiKeyEight\r | |
253 | 0x61, // EfiKeyNine\r | |
254 | 0x35, // EfiKeyE0\r | |
255 | 0x1E, // EfiKeyE1\r | |
256 | 0x1F, // EfiKeyE2\r | |
257 | 0x20, // EfiKeyE3\r | |
258 | 0x21, // EfiKeyE4\r | |
259 | 0x22, // EfiKeyE5\r | |
260 | 0x23, // EfiKeyE6\r | |
261 | 0x24, // EfiKeyE7\r | |
262 | 0x25, // EfiKeyE8\r | |
263 | 0x26, // EfiKeyE9\r | |
264 | 0x27, // EfiKeyE10\r | |
265 | 0x2D, // EfiKeyE11\r | |
266 | 0x2E, // EfiKeyE12\r | |
267 | 0x2A, // EfiKeyBackSpace\r | |
268 | 0x49, // EfiKeyIns\r | |
269 | 0x4A, // EfiKeyHome\r | |
270 | 0x4B, // EfiKeyPgUp\r | |
271 | 0x53, // EfiKeyNLck\r | |
272 | 0x54, // EfiKeySlash\r | |
273 | 0x55, // EfiKeyAsterisk\r | |
274 | 0x56, // EfiKeyMinus\r | |
275 | 0x29, // EfiKeyEsc\r | |
276 | 0x3A, // EfiKeyF1\r | |
277 | 0x3B, // EfiKeyF2\r | |
278 | 0x3C, // EfiKeyF3\r | |
279 | 0x3D, // EfiKeyF4\r | |
280 | 0x3E, // EfiKeyF5\r | |
281 | 0x3F, // EfiKeyF6\r | |
282 | 0x40, // EfiKeyF7\r | |
283 | 0x41, // EfiKeyF8\r | |
284 | 0x42, // EfiKeyF9\r | |
285 | 0x43, // EfiKeyF10\r | |
286 | 0x44, // EfiKeyF11\r | |
287 | 0x45, // EfiKeyF12\r | |
288 | 0x46, // EfiKeyPrint\r | |
289 | 0x47, // EfiKeySLck\r | |
290 | 0x48 // EfiKeyPause\r | |
291 | };\r | |
292 | \r | |
ed838d0c | 293 | //\r |
813acf3a | 294 | // Keyboard Layout Modifier to EFI Scan Code convertion table\r |
ed838d0c | 295 | //\r |
296 | STATIC\r | |
813acf3a | 297 | UINT8 EfiScanCodeConvertionTable[] = {\r |
298 | SCAN_NULL, // EFI_NULL_MODIFIER\r | |
299 | SCAN_NULL, // EFI_LEFT_CONTROL_MODIFIER\r | |
300 | SCAN_NULL, // EFI_RIGHT_CONTROL_MODIFIER\r | |
301 | SCAN_NULL, // EFI_LEFT_ALT_MODIFIER\r | |
302 | SCAN_NULL, // EFI_RIGHT_ALT_MODIFIER\r | |
303 | SCAN_NULL, // EFI_ALT_GR_MODIFIER\r | |
304 | SCAN_INSERT, // EFI_INSERT_MODIFIER\r | |
305 | SCAN_DELETE, // EFI_DELETE_MODIFIER\r | |
306 | SCAN_PAGE_DOWN, // EFI_PAGE_DOWN_MODIFIER\r | |
307 | SCAN_PAGE_UP, // EFI_PAGE_UP_MODIFIER\r | |
308 | SCAN_HOME, // EFI_HOME_MODIFIER\r | |
309 | SCAN_END, // EFI_END_MODIFIER\r | |
310 | SCAN_NULL, // EFI_LEFT_SHIFT_MODIFIER\r | |
311 | SCAN_NULL, // EFI_RIGHT_SHIFT_MODIFIER\r | |
312 | SCAN_NULL, // EFI_CAPS_LOCK_MODIFIER\r | |
313 | SCAN_NULL, // EFI_NUM_LOCK_MODIFIER\r | |
314 | SCAN_LEFT, // EFI_LEFT_ARROW_MODIFIER\r | |
315 | SCAN_RIGHT, // EFI_RIGHT_ARROW_MODIFIER\r | |
316 | SCAN_DOWN, // EFI_DOWN_ARROW_MODIFIER\r | |
317 | SCAN_UP, // EFI_UP_ARROW_MODIFIER\r | |
318 | SCAN_NULL, // EFI_NS_KEY_MODIFIER\r | |
319 | SCAN_NULL, // EFI_NS_KEY_DEPENDENCY_MODIFIER\r | |
320 | SCAN_F1, // EFI_FUNCTION_KEY_ONE_MODIFIER\r | |
321 | SCAN_F2, // EFI_FUNCTION_KEY_TWO_MODIFIER\r | |
322 | SCAN_F3, // EFI_FUNCTION_KEY_THREE_MODIFIER\r | |
323 | SCAN_F4, // EFI_FUNCTION_KEY_FOUR_MODIFIER\r | |
324 | SCAN_F5, // EFI_FUNCTION_KEY_FIVE_MODIFIER\r | |
325 | SCAN_F6, // EFI_FUNCTION_KEY_SIX_MODIFIER\r | |
326 | SCAN_F7, // EFI_FUNCTION_KEY_SEVEN_MODIFIER\r | |
327 | SCAN_F8, // EFI_FUNCTION_KEY_EIGHT_MODIFIER\r | |
328 | SCAN_F9, // EFI_FUNCTION_KEY_NINE_MODIFIER\r | |
329 | SCAN_F10, // EFI_FUNCTION_KEY_TEN_MODIFIER\r | |
330 | SCAN_F11, // EFI_FUNCTION_KEY_ELEVEN_MODIFIER\r | |
331 | SCAN_F12, // EFI_FUNCTION_KEY_TWELVE_MODIFIER\r | |
ed838d0c | 332 | };\r |
333 | \r | |
813acf3a | 334 | EFI_GUID mKeyboardLayoutEventGuid = EFI_HII_SET_KEYBOARD_LAYOUT_EVENT_GUID;\r |
335 | \r | |
336 | \r | |
ed838d0c | 337 | STATIC KB_MODIFIER KB_Mod[8] = {\r |
338 | { MOD_CONTROL_L, 0xe0 }, // 11100000\r | |
339 | { MOD_CONTROL_R, 0xe4 }, // 11100100\r | |
340 | { MOD_SHIFT_L, 0xe1 }, // 11100001\r | |
341 | { MOD_SHIFT_R, 0xe5 }, // 11100101\r | |
342 | { MOD_ALT_L, 0xe2 }, // 11100010\r | |
343 | { MOD_ALT_R, 0xe6 }, // 11100110\r | |
344 | { MOD_WIN_L, 0xe3 }, // 11100011\r | |
66aa04e4 | 345 | { MOD_WIN_R, 0xe7 }, // 11100111 \r |
ed838d0c | 346 | };\r |
347 | \r | |
348 | \r | |
349 | \r | |
350 | /**\r | |
351 | Uses USB I/O to check whether the device is a USB Keyboard device.\r | |
352 | \r | |
353 | UsbIo: Points to a USB I/O protocol instance.\r | |
354 | \r | |
355 | \r | |
356 | **/\r | |
357 | BOOLEAN\r | |
358 | IsUSBKeyboard (\r | |
359 | IN EFI_USB_IO_PROTOCOL *UsbIo\r | |
360 | )\r | |
361 | {\r | |
362 | EFI_STATUS Status;\r | |
363 | EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r | |
364 | \r | |
365 | //\r | |
366 | // Get the Default interface descriptor, currently we\r | |
367 | // assume it is interface 1\r | |
368 | //\r | |
369 | Status = UsbIo->UsbGetInterfaceDescriptor (\r | |
370 | UsbIo,\r | |
371 | &InterfaceDescriptor\r | |
372 | );\r | |
373 | \r | |
374 | if (EFI_ERROR (Status)) {\r | |
375 | return FALSE;\r | |
376 | }\r | |
377 | \r | |
378 | if (InterfaceDescriptor.InterfaceClass == CLASS_HID &&\r | |
379 | InterfaceDescriptor.InterfaceSubClass == SUBCLASS_BOOT &&\r | |
380 | InterfaceDescriptor.InterfaceProtocol == PROTOCOL_KEYBOARD\r | |
381 | ) {\r | |
382 | \r | |
383 | return TRUE;\r | |
384 | }\r | |
385 | \r | |
386 | return FALSE;\r | |
387 | }\r | |
388 | \r | |
389 | \r | |
813acf3a | 390 | EFI_HII_KEYBOARD_LAYOUT *\r |
391 | GetCurrentKeyboardLayout (\r | |
392 | VOID\r | |
393 | )\r | |
394 | /*++\r | |
395 | \r | |
396 | Routine Description:\r | |
397 | Get current keyboard layout from HII database.\r | |
398 | \r | |
399 | Arguments:\r | |
400 | None.\r | |
401 | \r | |
402 | Returns:\r | |
403 | Pointer to EFI_HII_KEYBOARD_LAYOUT.\r | |
404 | \r | |
405 | --*/\r | |
406 | {\r | |
407 | EFI_STATUS Status;\r | |
408 | EFI_HII_DATABASE_PROTOCOL *HiiDatabase;\r | |
409 | EFI_HII_KEYBOARD_LAYOUT *KeyboardLayout;\r | |
410 | UINT16 Length;\r | |
411 | \r | |
412 | //\r | |
413 | // Locate Hii database protocol\r | |
414 | //\r | |
415 | Status = gBS->LocateProtocol (\r | |
416 | &gEfiHiiDatabaseProtocolGuid,\r | |
417 | NULL,\r | |
418 | (VOID **) &HiiDatabase\r | |
419 | );\r | |
420 | if (EFI_ERROR (Status)) {\r | |
421 | return NULL;\r | |
422 | }\r | |
423 | \r | |
424 | //\r | |
425 | // Get current keyboard layout from HII database\r | |
426 | //\r | |
427 | Length = 0;\r | |
428 | KeyboardLayout = NULL;\r | |
429 | Status = HiiDatabase->GetKeyboardLayout (\r | |
430 | HiiDatabase,\r | |
431 | NULL,\r | |
432 | &Length,\r | |
433 | KeyboardLayout\r | |
434 | );\r | |
435 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
436 | KeyboardLayout = AllocatePool (Length);\r | |
437 | ASSERT (KeyboardLayout != NULL);\r | |
438 | \r | |
439 | Status = HiiDatabase->GetKeyboardLayout (\r | |
440 | HiiDatabase,\r | |
441 | NULL,\r | |
442 | &Length,\r | |
443 | KeyboardLayout\r | |
444 | );\r | |
445 | if (EFI_ERROR (Status)) {\r | |
446 | gBS->FreePool (KeyboardLayout);\r | |
447 | KeyboardLayout = NULL;\r | |
448 | }\r | |
449 | }\r | |
450 | \r | |
451 | return KeyboardLayout;\r | |
452 | }\r | |
453 | \r | |
454 | EFI_KEY_DESCRIPTOR *\r | |
455 | GetKeyDescriptor (\r | |
456 | IN USB_KB_DEV *UsbKeyboardDevice,\r | |
457 | IN UINT8 ScanCode\r | |
458 | )\r | |
459 | /*++\r | |
460 | \r | |
461 | Routine Description:\r | |
462 | Find Key Descriptor in KeyConvertionTable given its scan code.\r | |
463 | \r | |
464 | Arguments:\r | |
465 | UsbKeyboardDevice - The USB_KB_DEV instance.\r | |
466 | ScanCode - USB scan code.\r | |
467 | \r | |
468 | Returns:\r | |
469 | The Key descriptor in KeyConvertionTable.\r | |
470 | \r | |
471 | --*/\r | |
472 | {\r | |
473 | UINT8 Index;\r | |
474 | \r | |
475 | if (((ScanCode > 0x65) && (ScanCode < 0xe0)) || (ScanCode > 0xe7)) {\r | |
476 | return NULL;\r | |
477 | }\r | |
478 | \r | |
479 | if (ScanCode <= 0x65) {\r | |
480 | Index = (UINT8) (ScanCode - 4);\r | |
481 | } else {\r | |
482 | Index = (UINT8) (ScanCode - 0xe0 + USB_KEYCODE_MAX_MAKE);\r | |
483 | }\r | |
484 | \r | |
485 | return &UsbKeyboardDevice->KeyConvertionTable[Index];\r | |
486 | }\r | |
487 | \r | |
488 | USB_NS_KEY *\r | |
489 | FindUsbNsKey (\r | |
490 | IN USB_KB_DEV *UsbKeyboardDevice,\r | |
491 | IN EFI_KEY_DESCRIPTOR *KeyDescriptor\r | |
492 | )\r | |
493 | /*++\r | |
494 | \r | |
495 | Routine Description:\r | |
496 | Find Non-Spacing key for given KeyDescriptor.\r | |
497 | \r | |
498 | Arguments:\r | |
499 | UsbKeyboardDevice - The USB_KB_DEV instance.\r | |
500 | KeyDescriptor - Key descriptor.\r | |
501 | \r | |
502 | Returns:\r | |
503 | The Non-Spacing key.\r | |
504 | \r | |
505 | --*/\r | |
506 | {\r | |
507 | LIST_ENTRY *Link;\r | |
508 | USB_NS_KEY *UsbNsKey;\r | |
509 | \r | |
510 | Link = GetFirstNode (&UsbKeyboardDevice->NsKeyList);\r | |
511 | while (!IsNull (&UsbKeyboardDevice->NsKeyList, Link)) {\r | |
512 | UsbNsKey = USB_NS_KEY_FORM_FROM_LINK (Link);\r | |
513 | \r | |
514 | if (UsbNsKey->NsKey[0].Key == KeyDescriptor->Key) {\r | |
515 | return UsbNsKey;\r | |
516 | }\r | |
517 | \r | |
518 | Link = GetNextNode (&UsbKeyboardDevice->NsKeyList, Link);\r | |
519 | }\r | |
520 | \r | |
521 | return NULL;\r | |
522 | }\r | |
523 | \r | |
524 | EFI_KEY_DESCRIPTOR *\r | |
525 | FindPhysicalKey (\r | |
526 | IN USB_NS_KEY *UsbNsKey,\r | |
527 | IN EFI_KEY_DESCRIPTOR *KeyDescriptor\r | |
528 | )\r | |
529 | /*++\r | |
530 | \r | |
531 | Routine Description:\r | |
532 | Find physical key definition for a given Key stroke.\r | |
533 | \r | |
534 | Arguments:\r | |
535 | UsbNsKey - The Non-Spacing key information.\r | |
536 | KeyDescriptor - The key stroke.\r | |
537 | \r | |
538 | Returns:\r | |
539 | The physical key definition.\r | |
540 | \r | |
541 | --*/\r | |
542 | {\r | |
543 | UINTN Index;\r | |
544 | EFI_KEY_DESCRIPTOR *PhysicalKey;\r | |
545 | \r | |
546 | PhysicalKey = &UsbNsKey->NsKey[1];\r | |
547 | for (Index = 0; Index < UsbNsKey->KeyCount; Index++) {\r | |
548 | if (KeyDescriptor->Key == PhysicalKey->Key) {\r | |
549 | return PhysicalKey;\r | |
550 | }\r | |
551 | \r | |
552 | PhysicalKey++;\r | |
553 | }\r | |
554 | \r | |
555 | //\r | |
556 | // No children definition matched, return original key\r | |
557 | //\r | |
558 | return KeyDescriptor;\r | |
559 | }\r | |
560 | \r | |
561 | VOID\r | |
562 | EFIAPI\r | |
563 | SetKeyboardLayoutEvent (\r | |
564 | EFI_EVENT Event,\r | |
565 | VOID *Context\r | |
566 | )\r | |
567 | /*++\r | |
568 | \r | |
569 | Routine Description:\r | |
570 | The notification function for SET_KEYBOARD_LAYOUT_EVENT.\r | |
571 | \r | |
572 | Arguments:\r | |
573 | \r | |
574 | Returns:\r | |
575 | \r | |
576 | --*/\r | |
577 | {\r | |
578 | USB_KB_DEV *UsbKeyboardDevice;\r | |
579 | EFI_HII_KEYBOARD_LAYOUT *KeyboardLayout;\r | |
580 | EFI_KEY_DESCRIPTOR TempKey;\r | |
581 | EFI_KEY_DESCRIPTOR *KeyDescriptor;\r | |
582 | EFI_KEY_DESCRIPTOR *TableEntry;\r | |
583 | EFI_KEY_DESCRIPTOR *NsKey;\r | |
584 | USB_NS_KEY *UsbNsKey;\r | |
585 | UINTN Index;\r | |
586 | UINTN Index2;\r | |
587 | UINTN KeyCount;\r | |
588 | UINT8 ScanCode;\r | |
589 | \r | |
590 | UsbKeyboardDevice = (USB_KB_DEV *) Context;\r | |
591 | \r | |
592 | //\r | |
593 | // Try to get current Keyboard Layout from HII database\r | |
594 | //\r | |
595 | KeyboardLayout = GetCurrentKeyboardLayout ();\r | |
596 | if (KeyboardLayout == NULL) {\r | |
597 | return;\r | |
598 | }\r | |
599 | \r | |
600 | //\r | |
601 | // Allocate resource for KeyConvertionTable\r | |
602 | //\r | |
603 | ReleaseKeyboardLayoutResources (UsbKeyboardDevice);\r | |
604 | UsbKeyboardDevice->KeyConvertionTable = AllocateZeroPool ((USB_KEYCODE_MAX_MAKE + 8) * sizeof (EFI_KEY_DESCRIPTOR));\r | |
605 | ASSERT (UsbKeyboardDevice->KeyConvertionTable != NULL);\r | |
606 | \r | |
607 | KeyDescriptor = (EFI_KEY_DESCRIPTOR *) (((UINT8 *) KeyboardLayout) + sizeof (EFI_HII_KEYBOARD_LAYOUT));\r | |
608 | for (Index = 0; Index < KeyboardLayout->DescriptorCount; Index++) {\r | |
609 | //\r | |
610 | // Copy from HII keyboard layout package binary for alignment\r | |
611 | //\r | |
612 | CopyMem (&TempKey, KeyDescriptor, sizeof (EFI_KEY_DESCRIPTOR));\r | |
613 | \r | |
614 | //\r | |
615 | // Fill the key into KeyConvertionTable (which use USB Scan Code as index)\r | |
616 | //\r | |
617 | ScanCode = UsbScanCodeConvertionTable [(UINT8) (TempKey.Key)];\r | |
618 | TableEntry = GetKeyDescriptor (UsbKeyboardDevice, ScanCode);\r | |
619 | CopyMem (TableEntry, KeyDescriptor, sizeof (EFI_KEY_DESCRIPTOR));\r | |
620 | \r | |
621 | if (TempKey.Modifier == EFI_NS_KEY_MODIFIER) {\r | |
622 | //\r | |
623 | // Non-spacing key\r | |
624 | //\r | |
625 | UsbNsKey = AllocatePool (sizeof (USB_NS_KEY));\r | |
626 | ASSERT (UsbNsKey != NULL);\r | |
627 | \r | |
628 | //\r | |
629 | // Search for sequential children physical key definitions\r | |
630 | //\r | |
631 | KeyCount = 0;\r | |
632 | NsKey = KeyDescriptor + 1;\r | |
633 | for (Index2 = Index + 1; Index2 < KeyboardLayout->DescriptorCount; Index2++) {\r | |
634 | CopyMem (&TempKey, NsKey, sizeof (EFI_KEY_DESCRIPTOR));\r | |
635 | if (TempKey.Modifier & EFI_NS_KEY_DEPENDENCY_MODIFIER) {\r | |
636 | KeyCount++;\r | |
637 | } else {\r | |
638 | break;\r | |
639 | }\r | |
640 | NsKey++;\r | |
641 | }\r | |
642 | \r | |
643 | UsbNsKey->Signature = USB_NS_KEY_SIGNATURE;\r | |
644 | UsbNsKey->KeyCount = KeyCount;\r | |
645 | UsbNsKey->NsKey = AllocateCopyPool (\r | |
646 | (KeyCount + 1) * sizeof (EFI_KEY_DESCRIPTOR),\r | |
647 | KeyDescriptor\r | |
648 | );\r | |
649 | InsertTailList (&UsbKeyboardDevice->NsKeyList, &UsbNsKey->Link);\r | |
650 | \r | |
651 | //\r | |
652 | // Skip over the child physical keys\r | |
653 | //\r | |
654 | Index += KeyCount;\r | |
655 | KeyDescriptor += KeyCount;\r | |
656 | }\r | |
657 | \r | |
658 | KeyDescriptor++;\r | |
659 | }\r | |
660 | \r | |
661 | //\r | |
662 | // There are two EfiKeyEnter, duplicate its Key Descriptor\r | |
663 | //\r | |
664 | TableEntry = GetKeyDescriptor (UsbKeyboardDevice, 0x58);\r | |
665 | KeyDescriptor = GetKeyDescriptor (UsbKeyboardDevice, 0x28);\r | |
666 | CopyMem (TableEntry, KeyDescriptor, sizeof (EFI_KEY_DESCRIPTOR));\r | |
667 | \r | |
668 | gBS->FreePool (KeyboardLayout);\r | |
669 | }\r | |
670 | \r | |
671 | VOID\r | |
672 | ReleaseKeyboardLayoutResources (\r | |
673 | IN USB_KB_DEV *UsbKeyboardDevice\r | |
674 | )\r | |
675 | /*++\r | |
676 | \r | |
677 | Routine Description:\r | |
678 | Destroy resources for Keyboard layout.\r | |
679 | \r | |
680 | Arguments:\r | |
681 | UsbKeyboardDevice - The USB_KB_DEV instance.\r | |
682 | \r | |
683 | Returns:\r | |
684 | None.\r | |
685 | \r | |
686 | --*/\r | |
687 | {\r | |
688 | USB_NS_KEY *UsbNsKey;\r | |
689 | LIST_ENTRY *Link;\r | |
690 | \r | |
691 | SafeFreePool (UsbKeyboardDevice->KeyConvertionTable);\r | |
692 | UsbKeyboardDevice->KeyConvertionTable = NULL;\r | |
693 | \r | |
694 | while (!IsListEmpty (&UsbKeyboardDevice->NsKeyList)) {\r | |
695 | Link = GetFirstNode (&UsbKeyboardDevice->NsKeyList);\r | |
696 | UsbNsKey = USB_NS_KEY_FORM_FROM_LINK (Link);\r | |
697 | RemoveEntryList (&UsbNsKey->Link);\r | |
698 | \r | |
699 | gBS->FreePool (UsbNsKey->NsKey);\r | |
700 | gBS->FreePool (UsbNsKey);\r | |
701 | }\r | |
702 | }\r | |
703 | \r | |
704 | EFI_STATUS\r | |
705 | InitKeyboardLayout (\r | |
706 | IN USB_KB_DEV *UsbKeyboardDevice\r | |
707 | )\r | |
708 | /*++\r | |
709 | \r | |
710 | Routine Description:\r | |
711 | Initialize USB Keyboard layout.\r | |
712 | \r | |
713 | Arguments:\r | |
714 | UsbKeyboardDevice The USB_KB_DEV instance.\r | |
715 | \r | |
716 | Returns:\r | |
717 | EFI_SUCCESS - Success\r | |
718 | Other - Keyboard layout initial failed.\r | |
719 | --*/\r | |
720 | {\r | |
721 | EFI_HII_KEYBOARD_LAYOUT *KeyboardLayout;\r | |
722 | EFI_STATUS Status;\r | |
723 | \r | |
724 | UsbKeyboardDevice->KeyConvertionTable = AllocateZeroPool ((USB_KEYCODE_MAX_MAKE + 8) * sizeof (EFI_KEY_DESCRIPTOR));\r | |
725 | ASSERT (UsbKeyboardDevice->KeyConvertionTable != NULL);\r | |
726 | \r | |
727 | InitializeListHead (&UsbKeyboardDevice->NsKeyList);\r | |
728 | UsbKeyboardDevice->CurrentNsKey = NULL;\r | |
729 | UsbKeyboardDevice->KeyboardLayoutEvent = NULL;\r | |
730 | \r | |
731 | //\r | |
732 | // Register SET_KEYBOARD_LAYOUT_EVENT notification\r | |
733 | //\r | |
734 | Status = gBS->CreateEventEx (\r | |
735 | EFI_EVENT_NOTIFY_SIGNAL,\r | |
736 | TPL_NOTIFY,\r | |
737 | SetKeyboardLayoutEvent,\r | |
738 | UsbKeyboardDevice,\r | |
739 | &mKeyboardLayoutEventGuid,\r | |
740 | &UsbKeyboardDevice->KeyboardLayoutEvent\r | |
741 | );\r | |
742 | if (EFI_ERROR (Status)) {\r | |
743 | return Status;\r | |
744 | }\r | |
745 | \r | |
746 | //\r | |
747 | // Try to get current keyboard layout from HII database\r | |
748 | //\r | |
749 | KeyboardLayout = GetCurrentKeyboardLayout ();\r | |
750 | if (KeyboardLayout != NULL) {\r | |
751 | //\r | |
752 | // Force to initialize the keyboard layout\r | |
753 | //\r | |
754 | gBS->SignalEvent (UsbKeyboardDevice->KeyboardLayoutEvent);\r | |
755 | } else {\r | |
756 | if (FeaturePcdGet (PcdDisableDefaultKeyboardLayoutInUsbKbDriver)) {\r | |
757 | return EFI_NOT_READY;\r | |
758 | } else {\r | |
759 | \r | |
760 | //\r | |
761 | // Fail to get keyboard layout from HII database,\r | |
762 | // use default keyboard layout\r | |
763 | //\r | |
764 | LoadDefaultKeyboardLayout (UsbKeyboardDevice);\r | |
765 | }\r | |
766 | }\r | |
767 | \r | |
768 | return EFI_SUCCESS;\r | |
769 | }\r | |
770 | \r | |
ed838d0c | 771 | \r |
772 | /**\r | |
773 | Initialize USB Keyboard device and all private data structures.\r | |
774 | \r | |
775 | UsbKeyboardDevice The USB_KB_DEV instance.\r | |
776 | \r | |
777 | @retval EFI_SUCCESS Success\r | |
778 | @retval EFI_DEVICE_ERROR Hardware Error\r | |
779 | \r | |
780 | **/\r | |
781 | EFI_STATUS\r | |
782 | InitUSBKeyboard (\r | |
783 | IN USB_KB_DEV *UsbKeyboardDevice\r | |
784 | )\r | |
785 | {\r | |
786 | UINT8 ConfigValue;\r | |
787 | UINT8 Protocol;\r | |
788 | UINT8 ReportId;\r | |
789 | UINT8 Duration;\r | |
790 | EFI_STATUS Status;\r | |
791 | UINT32 TransferResult;\r | |
ed838d0c | 792 | \r |
793 | KbdReportStatusCode (\r | |
794 | UsbKeyboardDevice->DevicePath,\r | |
795 | EFI_PROGRESS_CODE,\r | |
796 | PcdGet32 (PcdStatusCodeValueKeyboardSelfTest)\r | |
797 | );\r | |
798 | \r | |
799 | InitUSBKeyBuffer (&(UsbKeyboardDevice->KeyboardBuffer));\r | |
800 | \r | |
801 | //\r | |
802 | // default configurations\r | |
803 | //\r | |
804 | ConfigValue = 0x01;\r | |
805 | \r | |
806 | //\r | |
807 | // Uses default configuration to configure the USB Keyboard device.\r | |
808 | //\r | |
809 | Status = UsbSetConfiguration (\r | |
810 | UsbKeyboardDevice->UsbIo,\r | |
811 | (UINT16) ConfigValue,\r | |
812 | &TransferResult\r | |
813 | );\r | |
814 | if (EFI_ERROR (Status)) {\r | |
815 | //\r | |
816 | // If configuration could not be set here, it means\r | |
817 | // the keyboard interface has some errors and could\r | |
818 | // not be initialized\r | |
819 | //\r | |
820 | KbdReportStatusCode (\r | |
821 | UsbKeyboardDevice->DevicePath,\r | |
822 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
823 | PcdGet32 (PcdStatusCodeValueKeyboardInterfaceError)\r | |
824 | );\r | |
825 | \r | |
826 | return EFI_DEVICE_ERROR;\r | |
827 | }\r | |
828 | \r | |
829 | UsbGetProtocolRequest (\r | |
830 | UsbKeyboardDevice->UsbIo,\r | |
831 | UsbKeyboardDevice->InterfaceDescriptor.InterfaceNumber,\r | |
832 | &Protocol\r | |
833 | );\r | |
834 | //\r | |
835 | // Sets boot protocol for the USB Keyboard.\r | |
836 | // This driver only supports boot protocol.\r | |
837 | // !!BugBug: How about the device that does not support boot protocol?\r | |
838 | //\r | |
839 | if (Protocol != BOOT_PROTOCOL) {\r | |
840 | UsbSetProtocolRequest (\r | |
841 | UsbKeyboardDevice->UsbIo,\r | |
842 | UsbKeyboardDevice->InterfaceDescriptor.InterfaceNumber,\r | |
843 | BOOT_PROTOCOL\r | |
844 | );\r | |
845 | }\r | |
846 | //\r | |
847 | // the duration is indefinite, so the endpoint will inhibit reporting forever,\r | |
848 | // and only reporting when a change is detected in the report data.\r | |
849 | //\r | |
850 | \r | |
851 | //\r | |
852 | // idle value for all report ID\r | |
853 | //\r | |
854 | ReportId = 0;\r | |
855 | //\r | |
856 | // idle forever until there is a key pressed and released.\r | |
857 | //\r | |
858 | Duration = 0;\r | |
859 | UsbSetIdleRequest (\r | |
860 | UsbKeyboardDevice->UsbIo,\r | |
861 | UsbKeyboardDevice->InterfaceDescriptor.InterfaceNumber,\r | |
862 | ReportId,\r | |
863 | Duration\r | |
864 | );\r | |
865 | \r | |
866 | UsbKeyboardDevice->CtrlOn = 0;\r | |
867 | UsbKeyboardDevice->AltOn = 0;\r | |
868 | UsbKeyboardDevice->ShiftOn = 0;\r | |
869 | UsbKeyboardDevice->NumLockOn = 0;\r | |
870 | UsbKeyboardDevice->CapsOn = 0;\r | |
871 | UsbKeyboardDevice->ScrollOn = 0;\r | |
66aa04e4 | 872 | \r |
873 | UsbKeyboardDevice->LeftCtrlOn = 0;\r | |
874 | UsbKeyboardDevice->LeftAltOn = 0;\r | |
813acf3a | 875 | UsbKeyboardDevice->LeftShiftOn = 0;\r |
876 | UsbKeyboardDevice->LeftLogoOn = 0;\r | |
66aa04e4 | 877 | UsbKeyboardDevice->RightCtrlOn = 0;\r |
878 | UsbKeyboardDevice->RightAltOn = 0;\r | |
813acf3a | 879 | UsbKeyboardDevice->RightShiftOn = 0;\r |
880 | UsbKeyboardDevice->RightLogoOn = 0;\r | |
66aa04e4 | 881 | UsbKeyboardDevice->MenuKeyOn = 0;\r |
813acf3a | 882 | UsbKeyboardDevice->SysReqOn = 0;\r |
883 | \r | |
884 | UsbKeyboardDevice->AltGrOn = 0;\r | |
885 | \r | |
886 | UsbKeyboardDevice->CurrentNsKey = NULL;\r | |
ed838d0c | 887 | \r |
888 | //\r | |
889 | // Sync the initial state of lights\r | |
890 | //\r | |
891 | SetKeyLED (UsbKeyboardDevice);\r | |
892 | \r | |
893 | ZeroMem (UsbKeyboardDevice->LastKeyCodeArray, sizeof (UINT8) * 8);\r | |
894 | \r | |
895 | //\r | |
896 | // Set a timer for repeat keys' generation.\r | |
897 | //\r | |
898 | if (UsbKeyboardDevice->RepeatTimer) {\r | |
899 | gBS->CloseEvent (UsbKeyboardDevice->RepeatTimer);\r | |
900 | UsbKeyboardDevice->RepeatTimer = 0;\r | |
901 | }\r | |
902 | \r | |
903 | Status = gBS->CreateEvent (\r | |
904 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
905 | TPL_NOTIFY,\r | |
906 | USBKeyboardRepeatHandler,\r | |
907 | UsbKeyboardDevice,\r | |
908 | &UsbKeyboardDevice->RepeatTimer\r | |
909 | );\r | |
910 | \r | |
911 | if (UsbKeyboardDevice->DelayedRecoveryEvent) {\r | |
912 | gBS->CloseEvent (UsbKeyboardDevice->DelayedRecoveryEvent);\r | |
913 | UsbKeyboardDevice->DelayedRecoveryEvent = 0;\r | |
914 | }\r | |
915 | \r | |
916 | Status = gBS->CreateEvent (\r | |
917 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
918 | TPL_NOTIFY,\r | |
919 | USBKeyboardRecoveryHandler,\r | |
920 | UsbKeyboardDevice,\r | |
921 | &UsbKeyboardDevice->DelayedRecoveryEvent\r | |
922 | );\r | |
923 | \r | |
924 | return EFI_SUCCESS;\r | |
925 | }\r | |
926 | \r | |
927 | \r | |
928 | /**\r | |
929 | Handler function for USB Keyboard's asynchronous interrupt transfer.\r | |
930 | \r | |
931 | Data A pointer to a buffer that is filled with key data which is\r | |
932 | retrieved via asynchronous interrupt transfer.\r | |
933 | DataLength Indicates the size of the data buffer.\r | |
934 | Context Pointing to USB_KB_DEV instance.\r | |
935 | Result Indicates the result of the asynchronous interrupt transfer.\r | |
936 | \r | |
937 | @retval EFI_SUCCESS Success\r | |
938 | @retval EFI_DEVICE_ERROR Hardware Error\r | |
939 | \r | |
940 | **/\r | |
941 | EFI_STATUS\r | |
942 | EFIAPI\r | |
943 | KeyboardHandler (\r | |
944 | IN VOID *Data,\r | |
945 | IN UINTN DataLength,\r | |
946 | IN VOID *Context,\r | |
947 | IN UINT32 Result\r | |
948 | )\r | |
949 | {\r | |
950 | USB_KB_DEV *UsbKeyboardDevice;\r | |
951 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
952 | UINT8 *CurKeyCodeBuffer;\r | |
953 | UINT8 *OldKeyCodeBuffer;\r | |
954 | UINT8 CurModifierMap;\r | |
955 | UINT8 OldModifierMap;\r | |
956 | UINT8 Index;\r | |
957 | UINT8 Index2;\r | |
958 | BOOLEAN Down;\r | |
ed838d0c | 959 | BOOLEAN KeyRelease;\r |
960 | BOOLEAN KeyPress;\r | |
961 | UINT8 SavedTail;\r | |
962 | USB_KEY UsbKey;\r | |
963 | UINT8 NewRepeatKey;\r | |
964 | UINT32 UsbStatus;\r | |
813acf3a | 965 | EFI_KEY_DESCRIPTOR *KeyDescriptor;\r |
ed838d0c | 966 | \r |
967 | ASSERT (Context);\r | |
968 | \r | |
969 | NewRepeatKey = 0;\r | |
ed838d0c | 970 | UsbKeyboardDevice = (USB_KB_DEV *) Context;\r |
971 | UsbIo = UsbKeyboardDevice->UsbIo;\r | |
972 | \r | |
973 | //\r | |
974 | // Analyzes the Result and performs corresponding action.\r | |
975 | //\r | |
976 | if (Result != EFI_USB_NOERROR) {\r | |
977 | //\r | |
978 | // Some errors happen during the process\r | |
979 | //\r | |
980 | KbdReportStatusCode (\r | |
981 | UsbKeyboardDevice->DevicePath,\r | |
982 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
983 | PcdGet32 (PcdStatusCodeValueKeyboardInputError)\r | |
984 | );\r | |
985 | \r | |
986 | //\r | |
987 | // stop the repeat key generation if any\r | |
988 | //\r | |
989 | UsbKeyboardDevice->RepeatKey = 0;\r | |
990 | \r | |
991 | gBS->SetTimer (\r | |
992 | UsbKeyboardDevice->RepeatTimer,\r | |
993 | TimerCancel,\r | |
994 | USBKBD_REPEAT_RATE\r | |
995 | );\r | |
996 | \r | |
997 | if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {\r | |
998 | UsbClearEndpointHalt (\r | |
999 | UsbIo,\r | |
1000 | UsbKeyboardDevice->IntEndpointDescriptor.EndpointAddress,\r | |
1001 | &UsbStatus\r | |
1002 | );\r | |
1003 | }\r | |
1004 | \r | |
1005 | //\r | |
1006 | // Delete & Submit this interrupt again\r | |
1007 | //\r | |
1008 | \r | |
c52fa98c | 1009 | UsbIo->UsbAsyncInterruptTransfer (\r |
ed838d0c | 1010 | UsbIo,\r |
1011 | UsbKeyboardDevice->IntEndpointDescriptor.EndpointAddress,\r | |
1012 | FALSE,\r | |
1013 | 0,\r | |
1014 | 0,\r | |
1015 | NULL,\r | |
1016 | NULL\r | |
1017 | );\r | |
1018 | \r | |
1019 | gBS->SetTimer (\r | |
1020 | UsbKeyboardDevice->DelayedRecoveryEvent,\r | |
1021 | TimerRelative,\r | |
1022 | EFI_USB_INTERRUPT_DELAY\r | |
1023 | );\r | |
1024 | \r | |
1025 | return EFI_DEVICE_ERROR;\r | |
1026 | }\r | |
1027 | \r | |
1028 | if (DataLength == 0 || Data == NULL) {\r | |
1029 | return EFI_SUCCESS;\r | |
1030 | }\r | |
1031 | \r | |
1032 | CurKeyCodeBuffer = (UINT8 *) Data;\r | |
1033 | OldKeyCodeBuffer = UsbKeyboardDevice->LastKeyCodeArray;\r | |
1034 | \r | |
1035 | //\r | |
1036 | // checks for new key stroke.\r | |
1037 | // if no new key got, return immediately.\r | |
1038 | //\r | |
1039 | for (Index = 0; Index < 8; Index++) {\r | |
1040 | if (OldKeyCodeBuffer[Index] != CurKeyCodeBuffer[Index]) {\r | |
1041 | break;\r | |
1042 | }\r | |
1043 | }\r | |
1044 | \r | |
1045 | if (Index == 8) {\r | |
1046 | return EFI_SUCCESS;\r | |
1047 | }\r | |
1048 | \r | |
1049 | //\r | |
1050 | // Parse the modifier key\r | |
1051 | //\r | |
1052 | CurModifierMap = CurKeyCodeBuffer[0];\r | |
1053 | OldModifierMap = OldKeyCodeBuffer[0];\r | |
1054 | \r | |
1055 | //\r | |
1056 | // handle modifier key's pressing or releasing situation.\r | |
1057 | //\r | |
1058 | for (Index = 0; Index < 8; Index++) {\r | |
1059 | \r | |
1060 | if ((CurModifierMap & KB_Mod[Index].Mask) != (OldModifierMap & KB_Mod[Index].Mask)) {\r | |
1061 | //\r | |
1062 | // if current modifier key is up, then\r | |
1063 | // CurModifierMap & KB_Mod[Index].Mask = 0;\r | |
1064 | // otherwize it is a non-zero value.\r | |
1065 | // Inserts the pressed modifier key into key buffer.\r | |
1066 | //\r | |
1067 | Down = (UINT8) (CurModifierMap & KB_Mod[Index].Mask);\r | |
1068 | InsertKeyCode (&(UsbKeyboardDevice->KeyboardBuffer), KB_Mod[Index].Key, Down);\r | |
1069 | }\r | |
1070 | }\r | |
1071 | \r | |
1072 | //\r | |
1073 | // handle normal key's releasing situation\r | |
1074 | //\r | |
1075 | KeyRelease = FALSE;\r | |
1076 | for (Index = 2; Index < 8; Index++) {\r | |
1077 | \r | |
1078 | if (!USBKBD_VALID_KEYCODE (OldKeyCodeBuffer[Index])) {\r | |
1079 | continue;\r | |
1080 | }\r | |
1081 | \r | |
1082 | KeyRelease = TRUE;\r | |
1083 | for (Index2 = 2; Index2 < 8; Index2++) {\r | |
1084 | \r | |
1085 | if (!USBKBD_VALID_KEYCODE (CurKeyCodeBuffer[Index2])) {\r | |
1086 | continue;\r | |
1087 | }\r | |
1088 | \r | |
1089 | if (OldKeyCodeBuffer[Index] == CurKeyCodeBuffer[Index2]) {\r | |
1090 | KeyRelease = FALSE;\r | |
1091 | break;\r | |
1092 | }\r | |
1093 | }\r | |
1094 | \r | |
1095 | if (KeyRelease) {\r | |
1096 | InsertKeyCode (\r | |
1097 | &(UsbKeyboardDevice->KeyboardBuffer),\r | |
1098 | OldKeyCodeBuffer[Index],\r | |
1099 | 0\r | |
1100 | );\r | |
1101 | //\r | |
1102 | // the original reapeat key is released.\r | |
1103 | //\r | |
1104 | if (OldKeyCodeBuffer[Index] == UsbKeyboardDevice->RepeatKey) {\r | |
1105 | UsbKeyboardDevice->RepeatKey = 0;\r | |
1106 | }\r | |
1107 | }\r | |
1108 | }\r | |
1109 | \r | |
1110 | //\r | |
1111 | // original repeat key is released, cancel the repeat timer\r | |
1112 | //\r | |
1113 | if (UsbKeyboardDevice->RepeatKey == 0) {\r | |
1114 | gBS->SetTimer (\r | |
1115 | UsbKeyboardDevice->RepeatTimer,\r | |
1116 | TimerCancel,\r | |
1117 | USBKBD_REPEAT_RATE\r | |
1118 | );\r | |
1119 | }\r | |
1120 | \r | |
1121 | //\r | |
1122 | // handle normal key's pressing situation\r | |
1123 | //\r | |
1124 | KeyPress = FALSE;\r | |
1125 | for (Index = 2; Index < 8; Index++) {\r | |
1126 | \r | |
1127 | if (!USBKBD_VALID_KEYCODE (CurKeyCodeBuffer[Index])) {\r | |
1128 | continue;\r | |
1129 | }\r | |
1130 | \r | |
1131 | KeyPress = TRUE;\r | |
1132 | for (Index2 = 2; Index2 < 8; Index2++) {\r | |
1133 | \r | |
1134 | if (!USBKBD_VALID_KEYCODE (OldKeyCodeBuffer[Index2])) {\r | |
1135 | continue;\r | |
1136 | }\r | |
1137 | \r | |
1138 | if (CurKeyCodeBuffer[Index] == OldKeyCodeBuffer[Index2]) {\r | |
1139 | KeyPress = FALSE;\r | |
1140 | break;\r | |
1141 | }\r | |
1142 | }\r | |
1143 | \r | |
1144 | if (KeyPress) {\r | |
1145 | InsertKeyCode (&(UsbKeyboardDevice->KeyboardBuffer), CurKeyCodeBuffer[Index], 1);\r | |
1146 | //\r | |
1147 | // NumLock pressed or CapsLock pressed\r | |
1148 | //\r | |
813acf3a | 1149 | KeyDescriptor = GetKeyDescriptor (UsbKeyboardDevice, CurKeyCodeBuffer[Index]);\r |
1150 | if (KeyDescriptor->Modifier == EFI_NUM_LOCK_MODIFIER || KeyDescriptor->Modifier == EFI_CAPS_LOCK_MODIFIER) {\r | |
ed838d0c | 1151 | UsbKeyboardDevice->RepeatKey = 0;\r |
1152 | } else {\r | |
1153 | NewRepeatKey = CurKeyCodeBuffer[Index];\r | |
1154 | //\r | |
1155 | // do not repeat the original repeated key\r | |
1156 | //\r | |
1157 | UsbKeyboardDevice->RepeatKey = 0;\r | |
1158 | }\r | |
1159 | }\r | |
1160 | }\r | |
1161 | \r | |
1162 | //\r | |
1163 | // Update LastKeycodeArray[] buffer in the\r | |
1164 | // Usb Keyboard Device data structure.\r | |
1165 | //\r | |
1166 | for (Index = 0; Index < 8; Index++) {\r | |
1167 | UsbKeyboardDevice->LastKeyCodeArray[Index] = CurKeyCodeBuffer[Index];\r | |
1168 | }\r | |
1169 | \r | |
1170 | //\r | |
1171 | // pre-process KeyboardBuffer, pop out the ctrl,alt,del key in sequence\r | |
1172 | // and judge whether it will invoke reset event.\r | |
1173 | //\r | |
1174 | SavedTail = UsbKeyboardDevice->KeyboardBuffer.bTail;\r | |
1175 | Index = UsbKeyboardDevice->KeyboardBuffer.bHead;\r | |
1176 | while (Index != SavedTail) {\r | |
1177 | RemoveKeyCode (&(UsbKeyboardDevice->KeyboardBuffer), &UsbKey);\r | |
1178 | \r | |
813acf3a | 1179 | KeyDescriptor = GetKeyDescriptor (UsbKeyboardDevice, UsbKey.KeyCode);\r |
1180 | \r | |
1181 | switch (KeyDescriptor->Modifier) {\r | |
ed838d0c | 1182 | \r |
813acf3a | 1183 | case EFI_LEFT_CONTROL_MODIFIER:\r |
1184 | case EFI_RIGHT_CONTROL_MODIFIER:\r | |
ed838d0c | 1185 | if (UsbKey.Down) {\r |
1186 | UsbKeyboardDevice->CtrlOn = 1;\r | |
1187 | } else {\r | |
1188 | UsbKeyboardDevice->CtrlOn = 0;\r | |
1189 | }\r | |
1190 | break;\r | |
1191 | \r | |
813acf3a | 1192 | case EFI_LEFT_ALT_MODIFIER:\r |
1193 | case EFI_RIGHT_ALT_MODIFIER:\r | |
ed838d0c | 1194 | if (UsbKey.Down) {\r |
1195 | UsbKeyboardDevice->AltOn = 1;\r | |
1196 | } else {\r | |
1197 | UsbKeyboardDevice->AltOn = 0;\r | |
1198 | }\r | |
1199 | break;\r | |
1200 | \r | |
813acf3a | 1201 | case EFI_ALT_GR_MODIFIER:\r |
1202 | if (UsbKey.Down) {\r | |
1203 | UsbKeyboardDevice->AltGrOn = 1;\r | |
1204 | } else {\r | |
1205 | UsbKeyboardDevice->AltGrOn = 0;\r | |
1206 | }\r | |
1207 | break;\r | |
1208 | \r | |
ed838d0c | 1209 | //\r |
1210 | // Del Key Code\r | |
1211 | //\r | |
813acf3a | 1212 | case EFI_DELETE_MODIFIER:\r |
ed838d0c | 1213 | if (UsbKey.Down) {\r |
1214 | if (UsbKeyboardDevice->CtrlOn && UsbKeyboardDevice->AltOn) {\r | |
1215 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1216 | }\r | |
1217 | }\r | |
1218 | break;\r | |
1219 | \r | |
1220 | default:\r | |
1221 | break;\r | |
1222 | }\r | |
1223 | \r | |
1224 | //\r | |
1225 | // insert the key back to the buffer.\r | |
1226 | // so the key sequence will not be destroyed.\r | |
1227 | //\r | |
1228 | InsertKeyCode (\r | |
1229 | &(UsbKeyboardDevice->KeyboardBuffer),\r | |
1230 | UsbKey.KeyCode,\r | |
1231 | UsbKey.Down\r | |
1232 | );\r | |
1233 | Index = UsbKeyboardDevice->KeyboardBuffer.bHead;\r | |
1234 | \r | |
1235 | }\r | |
1236 | //\r | |
1237 | // If have new key pressed, update the RepeatKey value, and set the\r | |
1238 | // timer to repeate delay timer\r | |
1239 | //\r | |
1240 | if (NewRepeatKey != 0) {\r | |
1241 | //\r | |
1242 | // sets trigger time to "Repeat Delay Time",\r | |
1243 | // to trigger the repeat timer when the key is hold long\r | |
1244 | // enough time.\r | |
1245 | //\r | |
1246 | gBS->SetTimer (\r | |
1247 | UsbKeyboardDevice->RepeatTimer,\r | |
1248 | TimerRelative,\r | |
1249 | USBKBD_REPEAT_DELAY\r | |
1250 | );\r | |
1251 | UsbKeyboardDevice->RepeatKey = NewRepeatKey;\r | |
1252 | }\r | |
1253 | \r | |
1254 | return EFI_SUCCESS;\r | |
1255 | }\r | |
1256 | \r | |
1257 | \r | |
1258 | /**\r | |
1259 | Retrieves a key character after parsing the raw data in keyboard buffer.\r | |
1260 | \r | |
1261 | UsbKeyboardDevice The USB_KB_DEV instance.\r | |
1262 | KeyChar Points to the Key character after key parsing.\r | |
1263 | \r | |
1264 | @retval EFI_SUCCESS Success\r | |
1265 | @retval EFI_NOT_READY Device is not ready\r | |
1266 | \r | |
1267 | **/\r | |
1268 | EFI_STATUS\r | |
1269 | USBParseKey (\r | |
1270 | IN OUT USB_KB_DEV *UsbKeyboardDevice,\r | |
1271 | OUT UINT8 *KeyChar\r | |
1272 | )\r | |
1273 | {\r | |
813acf3a | 1274 | USB_KEY UsbKey;\r |
1275 | EFI_KEY_DESCRIPTOR *KeyDescriptor;\r | |
ed838d0c | 1276 | \r |
1277 | *KeyChar = 0;\r | |
1278 | \r | |
1279 | while (!IsUSBKeyboardBufferEmpty (&UsbKeyboardDevice->KeyboardBuffer)) {\r | |
1280 | //\r | |
1281 | // pops one raw data off.\r | |
1282 | //\r | |
1283 | RemoveKeyCode (&(UsbKeyboardDevice->KeyboardBuffer), &UsbKey);\r | |
1284 | \r | |
813acf3a | 1285 | KeyDescriptor = GetKeyDescriptor (UsbKeyboardDevice, UsbKey.KeyCode);\r |
ed838d0c | 1286 | if (!UsbKey.Down) {\r |
813acf3a | 1287 | switch (KeyDescriptor->Modifier) {\r |
ed838d0c | 1288 | \r |
66aa04e4 | 1289 | //\r |
1290 | // CTRL release\r | |
1291 | //\r | |
813acf3a | 1292 | case EFI_LEFT_CONTROL_MODIFIER:\r |
66aa04e4 | 1293 | UsbKeyboardDevice->LeftCtrlOn = 0;\r |
1294 | UsbKeyboardDevice->CtrlOn = 0;\r | |
1295 | break;\r | |
813acf3a | 1296 | case EFI_RIGHT_CONTROL_MODIFIER:\r |
66aa04e4 | 1297 | UsbKeyboardDevice->RightCtrlOn = 0;\r |
ed838d0c | 1298 | UsbKeyboardDevice->CtrlOn = 0;\r |
1299 | break;\r | |
1300 | \r | |
66aa04e4 | 1301 | //\r |
1302 | // Shift release\r | |
1303 | //\r | |
813acf3a | 1304 | case EFI_LEFT_SHIFT_MODIFIER:\r |
66aa04e4 | 1305 | UsbKeyboardDevice->LeftShiftOn = 0;\r |
1306 | UsbKeyboardDevice->ShiftOn = 0;\r | |
1307 | break;\r | |
813acf3a | 1308 | case EFI_RIGHT_SHIFT_MODIFIER:\r |
66aa04e4 | 1309 | UsbKeyboardDevice->RightShiftOn = 0;\r |
ed838d0c | 1310 | UsbKeyboardDevice->ShiftOn = 0;\r |
1311 | break;\r | |
1312 | \r | |
66aa04e4 | 1313 | //\r |
1314 | // Alt release\r | |
1315 | //\r | |
813acf3a | 1316 | case EFI_LEFT_ALT_MODIFIER:\r |
66aa04e4 | 1317 | UsbKeyboardDevice->LeftAltOn = 0;\r |
1318 | UsbKeyboardDevice->AltOn = 0;\r | |
1319 | break;\r | |
813acf3a | 1320 | case EFI_RIGHT_ALT_MODIFIER:\r |
66aa04e4 | 1321 | UsbKeyboardDevice->RightAltOn = 0;\r |
ed838d0c | 1322 | UsbKeyboardDevice->AltOn = 0;\r |
1323 | break;\r | |
1324 | \r | |
66aa04e4 | 1325 | //\r |
813acf3a | 1326 | // Left Logo release\r |
66aa04e4 | 1327 | //\r |
813acf3a | 1328 | case EFI_LEFT_LOGO_MODIFIER:\r |
66aa04e4 | 1329 | UsbKeyboardDevice->LeftLogoOn = 0;\r |
1330 | break;\r | |
813acf3a | 1331 | \r |
1332 | //\r | |
1333 | // Right Logo release\r | |
1334 | //\r | |
1335 | case EFI_RIGHT_LOGO_MODIFIER:\r | |
66aa04e4 | 1336 | UsbKeyboardDevice->RightLogoOn = 0;\r |
1337 | break;\r | |
1338 | \r | |
1339 | //\r | |
813acf3a | 1340 | // Menu key release\r |
66aa04e4 | 1341 | //\r |
813acf3a | 1342 | case EFI_MENU_MODIFIER:\r |
66aa04e4 | 1343 | UsbKeyboardDevice->MenuKeyOn = 0;\r |
1344 | break;\r | |
1345 | \r | |
1346 | //\r | |
1347 | // SysReq release\r | |
1348 | //\r | |
a77267d2 | 1349 | case EFI_PRINT_MODIFIER:\r |
813acf3a | 1350 | case EFI_SYS_REQUEST_MODIFIER:\r |
66aa04e4 | 1351 | UsbKeyboardDevice->SysReqOn = 0;\r |
1352 | break;\r | |
813acf3a | 1353 | \r |
1354 | //\r | |
1355 | // AltGr release\r | |
1356 | //\r | |
1357 | case EFI_ALT_GR_MODIFIER:\r | |
1358 | UsbKeyboardDevice->AltGrOn = 0;\r | |
1359 | break;\r | |
1360 | \r | |
ed838d0c | 1361 | default:\r |
1362 | break;\r | |
1363 | }\r | |
1364 | \r | |
1365 | continue;\r | |
1366 | }\r | |
1367 | \r | |
1368 | //\r | |
1369 | // Analyzes key pressing situation\r | |
1370 | //\r | |
813acf3a | 1371 | switch (KeyDescriptor->Modifier) {\r |
ed838d0c | 1372 | \r |
813acf3a | 1373 | //\r |
1374 | // CTRL press\r | |
1375 | //\r | |
1376 | case EFI_LEFT_CONTROL_MODIFIER:\r | |
66aa04e4 | 1377 | UsbKeyboardDevice->LeftCtrlOn = 1;\r |
1378 | UsbKeyboardDevice->CtrlOn = 1;\r | |
813acf3a | 1379 | continue;\r |
66aa04e4 | 1380 | break;\r |
813acf3a | 1381 | case EFI_RIGHT_CONTROL_MODIFIER:\r |
66aa04e4 | 1382 | UsbKeyboardDevice->RightCtrlOn = 1;\r |
ed838d0c | 1383 | UsbKeyboardDevice->CtrlOn = 1;\r |
1384 | continue;\r | |
1385 | break;\r | |
1386 | \r | |
66aa04e4 | 1387 | //\r |
1388 | // Shift press\r | |
1389 | //\r | |
813acf3a | 1390 | case EFI_LEFT_SHIFT_MODIFIER:\r |
66aa04e4 | 1391 | UsbKeyboardDevice->LeftShiftOn = 1;\r |
1392 | UsbKeyboardDevice->ShiftOn = 1;\r | |
1393 | continue;\r | |
1394 | break;\r | |
813acf3a | 1395 | case EFI_RIGHT_SHIFT_MODIFIER:\r |
1396 | UsbKeyboardDevice->RightShiftOn = 1;\r | |
ed838d0c | 1397 | UsbKeyboardDevice->ShiftOn = 1;\r |
1398 | continue;\r | |
1399 | break;\r | |
1400 | \r | |
66aa04e4 | 1401 | //\r |
1402 | // Alt press\r | |
1403 | //\r | |
813acf3a | 1404 | case EFI_LEFT_ALT_MODIFIER:\r |
66aa04e4 | 1405 | UsbKeyboardDevice->LeftAltOn = 1;\r |
1406 | UsbKeyboardDevice->AltOn = 1;\r | |
1407 | continue;\r | |
1408 | break;\r | |
813acf3a | 1409 | case EFI_RIGHT_ALT_MODIFIER:\r |
1410 | UsbKeyboardDevice->RightAltOn = 1;\r | |
ed838d0c | 1411 | UsbKeyboardDevice->AltOn = 1;\r |
1412 | continue;\r | |
1413 | break;\r | |
1414 | \r | |
66aa04e4 | 1415 | //\r |
813acf3a | 1416 | // Left Logo press\r |
66aa04e4 | 1417 | //\r |
813acf3a | 1418 | case EFI_LEFT_LOGO_MODIFIER:\r |
66aa04e4 | 1419 | UsbKeyboardDevice->LeftLogoOn = 1;\r |
66aa04e4 | 1420 | break;\r |
813acf3a | 1421 | \r |
1422 | //\r | |
1423 | // Right Logo press\r | |
1424 | //\r | |
1425 | case EFI_RIGHT_LOGO_MODIFIER:\r | |
66aa04e4 | 1426 | UsbKeyboardDevice->RightLogoOn = 1;\r |
ed838d0c | 1427 | break;\r |
1428 | \r | |
ed838d0c | 1429 | //\r |
813acf3a | 1430 | // Menu key press\r |
66aa04e4 | 1431 | //\r |
813acf3a | 1432 | case EFI_MENU_MODIFIER:\r |
66aa04e4 | 1433 | UsbKeyboardDevice->MenuKeyOn = 1;\r |
66aa04e4 | 1434 | break;\r |
1435 | \r | |
1436 | //\r | |
1437 | // SysReq press\r | |
ed838d0c | 1438 | //\r |
a77267d2 | 1439 | case EFI_PRINT_MODIFIER:\r |
813acf3a | 1440 | case EFI_SYS_REQUEST_MODIFIER:\r |
66aa04e4 | 1441 | UsbKeyboardDevice->SysReqOn = 1;\r |
813acf3a | 1442 | continue;\r |
66aa04e4 | 1443 | break;\r |
1444 | \r | |
813acf3a | 1445 | //\r |
1446 | // AltGr press\r | |
1447 | //\r | |
1448 | case EFI_ALT_GR_MODIFIER:\r | |
1449 | UsbKeyboardDevice->AltGrOn = 1;\r | |
1450 | break;\r | |
1451 | \r | |
1452 | case EFI_NUM_LOCK_MODIFIER:\r | |
66aa04e4 | 1453 | UsbKeyboardDevice->NumLockOn ^= 1;\r |
1454 | //\r | |
1455 | // Turn on the NumLock light on KB\r | |
1456 | //\r | |
ed838d0c | 1457 | SetKeyLED (UsbKeyboardDevice);\r |
1458 | continue;\r | |
1459 | break;\r | |
1460 | \r | |
813acf3a | 1461 | case EFI_CAPS_LOCK_MODIFIER:\r |
ed838d0c | 1462 | UsbKeyboardDevice->CapsOn ^= 1;\r |
66aa04e4 | 1463 | //\r |
1464 | // Turn on the CapsLock light on KB\r | |
1465 | //\r | |
ed838d0c | 1466 | SetKeyLED (UsbKeyboardDevice);\r |
1467 | continue;\r | |
1468 | break;\r | |
1469 | \r | |
813acf3a | 1470 | case EFI_SCROLL_LOCK_MODIFIER:\r |
ed838d0c | 1471 | UsbKeyboardDevice->ScrollOn ^= 1;\r |
66aa04e4 | 1472 | //\r |
1473 | // Turn on the ScrollLock light on KB\r | |
1474 | //\r | |
ed838d0c | 1475 | SetKeyLED (UsbKeyboardDevice);\r |
1476 | continue;\r | |
1477 | break;\r | |
1478 | \r | |
1479 | //\r | |
813acf3a | 1480 | // F11,F12,PrintScreen,Pause/Break\r |
1481 | // could not be retrieved via SimpleTxtInEx protocol\r | |
ed838d0c | 1482 | //\r |
813acf3a | 1483 | case EFI_FUNCTION_KEY_ELEVEN_MODIFIER:\r |
1484 | case EFI_FUNCTION_KEY_TWELVE_MODIFIER:\r | |
813acf3a | 1485 | case EFI_PAUSE_MODIFIER:\r |
1486 | case EFI_BREAK_MODIFIER:\r | |
1487 | //\r | |
1488 | // fall through\r | |
1489 | //\r | |
ed838d0c | 1490 | continue;\r |
1491 | break;\r | |
1492 | \r | |
1493 | default:\r | |
1494 | break;\r | |
1495 | }\r | |
1496 | \r | |
1497 | //\r | |
1498 | // When encountered Del Key...\r | |
1499 | //\r | |
813acf3a | 1500 | if (KeyDescriptor->Modifier == EFI_DELETE_MODIFIER) {\r |
ed838d0c | 1501 | if (UsbKeyboardDevice->CtrlOn && UsbKeyboardDevice->AltOn) {\r |
1502 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1503 | }\r | |
1504 | }\r | |
1505 | \r | |
1506 | *KeyChar = UsbKey.KeyCode;\r | |
1507 | return EFI_SUCCESS;\r | |
1508 | }\r | |
1509 | \r | |
1510 | return EFI_NOT_READY;\r | |
ed838d0c | 1511 | }\r |
1512 | \r | |
1513 | \r | |
1514 | \r | |
1515 | /**\r | |
1516 | Converts USB Keyboard code to EFI Scan Code.\r | |
1517 | \r | |
1518 | UsbKeyboardDevice The USB_KB_DEV instance.\r | |
1519 | KeyChar Indicates the key code that will be interpreted.\r | |
1520 | Key A pointer to a buffer that is filled in with\r | |
1521 | the keystroke information for the key that\r | |
1522 | was pressed.\r | |
1523 | \r | |
1524 | @retval EFI_NOT_READY Device is not ready\r | |
1525 | @retval EFI_SUCCESS Success\r | |
1526 | \r | |
1527 | **/\r | |
1528 | EFI_STATUS\r | |
1529 | USBKeyCodeToEFIScanCode (\r | |
1530 | IN USB_KB_DEV *UsbKeyboardDevice,\r | |
1531 | IN UINT8 KeyChar,\r | |
1532 | OUT EFI_INPUT_KEY *Key\r | |
1533 | )\r | |
1534 | {\r | |
813acf3a | 1535 | UINT8 Index;\r |
1536 | EFI_KEY_DESCRIPTOR *KeyDescriptor;\r | |
ed838d0c | 1537 | \r |
1538 | if (!USBKBD_VALID_KEYCODE (KeyChar)) {\r | |
1539 | return EFI_NOT_READY;\r | |
1540 | }\r | |
1541 | \r | |
1542 | //\r | |
1543 | // valid USB Key Code starts from 4\r | |
1544 | //\r | |
1545 | Index = (UINT8) (KeyChar - 4);\r | |
1546 | \r | |
1547 | if (Index >= USB_KEYCODE_MAX_MAKE) {\r | |
1548 | return EFI_NOT_READY;\r | |
1549 | }\r | |
1550 | \r | |
813acf3a | 1551 | KeyDescriptor = GetKeyDescriptor (UsbKeyboardDevice, KeyChar);\r |
1552 | \r | |
1553 | //\r | |
1554 | // Check for Non-spacing key\r | |
1555 | //\r | |
1556 | if (KeyDescriptor->Modifier == EFI_NS_KEY_MODIFIER) {\r | |
1557 | UsbKeyboardDevice->CurrentNsKey = FindUsbNsKey (UsbKeyboardDevice, KeyDescriptor);\r | |
1558 | return EFI_NOT_READY;\r | |
1559 | }\r | |
1560 | \r | |
66aa04e4 | 1561 | //\r |
813acf3a | 1562 | // Check whether this keystroke follows a Non-spacing key\r |
66aa04e4 | 1563 | //\r |
813acf3a | 1564 | if (UsbKeyboardDevice->CurrentNsKey != NULL) {\r |
1565 | KeyDescriptor = FindPhysicalKey (UsbKeyboardDevice->CurrentNsKey, KeyDescriptor);\r | |
1566 | UsbKeyboardDevice->CurrentNsKey = NULL;\r | |
66aa04e4 | 1567 | }\r |
1568 | \r | |
813acf3a | 1569 | Key->ScanCode = EfiScanCodeConvertionTable[KeyDescriptor->Modifier];\r |
1570 | Key->UnicodeChar = KeyDescriptor->Unicode;\r | |
ed838d0c | 1571 | \r |
813acf3a | 1572 | if (KeyDescriptor->AffectedAttribute & EFI_AFFECTED_BY_STANDARD_SHIFT) {\r |
1573 | if (UsbKeyboardDevice->ShiftOn) {\r | |
1574 | Key->UnicodeChar = KeyDescriptor->ShiftedUnicode;\r | |
ed838d0c | 1575 | \r |
813acf3a | 1576 | //\r |
1577 | // Need not return associated shift state if a class of printable characters that\r | |
1578 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
1579 | //\r | |
1580 | if (KeyDescriptor->AffectedAttribute & EFI_AFFECTED_BY_CAPS_LOCK) {\r | |
1581 | UsbKeyboardDevice->LeftShiftOn = 0;\r | |
1582 | UsbKeyboardDevice->RightShiftOn = 0;\r | |
1583 | }\r | |
ed838d0c | 1584 | \r |
813acf3a | 1585 | if (UsbKeyboardDevice->AltGrOn) {\r |
1586 | Key->UnicodeChar = KeyDescriptor->ShiftedAltGrUnicode;\r | |
1587 | }\r | |
1588 | } else {\r | |
1589 | //\r | |
1590 | // Shift off\r | |
1591 | //\r | |
1592 | Key->UnicodeChar = KeyDescriptor->Unicode;\r | |
ed838d0c | 1593 | \r |
813acf3a | 1594 | if (UsbKeyboardDevice->AltGrOn) {\r |
1595 | Key->UnicodeChar = KeyDescriptor->AltGrUnicode;\r | |
1596 | }\r | |
1597 | }\r | |
ed838d0c | 1598 | }\r |
1599 | \r | |
813acf3a | 1600 | if (KeyDescriptor->AffectedAttribute & EFI_AFFECTED_BY_CAPS_LOCK) {\r |
1601 | if (UsbKeyboardDevice->CapsOn) {\r | |
ed838d0c | 1602 | \r |
813acf3a | 1603 | if (Key->UnicodeChar == KeyDescriptor->Unicode) {\r |
ed838d0c | 1604 | \r |
813acf3a | 1605 | Key->UnicodeChar = KeyDescriptor->ShiftedUnicode;\r |
ed838d0c | 1606 | \r |
813acf3a | 1607 | } else if (Key->UnicodeChar == KeyDescriptor->ShiftedUnicode) {\r |
ed838d0c | 1608 | \r |
813acf3a | 1609 | Key->UnicodeChar = KeyDescriptor->Unicode;\r |
ed838d0c | 1610 | \r |
813acf3a | 1611 | }\r |
ed838d0c | 1612 | }\r |
1613 | }\r | |
813acf3a | 1614 | \r |
1f771698 | 1615 | //\r |
1616 | // Translate the CTRL-Alpha characters to their corresponding control value (ctrl-a = 0x0001 through ctrl-Z = 0x001A)\r | |
1617 | //\r | |
1618 | if (UsbKeyboardDevice->CtrlOn) {\r | |
1619 | if (Key->UnicodeChar >= 'a' && Key->UnicodeChar <= 'z') {\r | |
813acf3a | 1620 | Key->UnicodeChar = (UINT8) (Key->UnicodeChar - 'a' + 1);\r |
1f771698 | 1621 | } else if (Key->UnicodeChar >= 'A' && Key->UnicodeChar <= 'Z') {\r |
813acf3a | 1622 | Key->UnicodeChar = (UINT8) (Key->UnicodeChar - 'A' + 1);\r |
1f771698 | 1623 | }\r |
1624 | }\r | |
813acf3a | 1625 | \r |
1626 | if (KeyDescriptor->AffectedAttribute & EFI_AFFECTED_BY_NUM_LOCK) {\r | |
ed838d0c | 1627 | \r |
1628 | if (UsbKeyboardDevice->NumLockOn && !UsbKeyboardDevice->ShiftOn) {\r | |
1629 | \r | |
1630 | Key->ScanCode = SCAN_NULL;\r | |
1631 | \r | |
1632 | } else {\r | |
ed838d0c | 1633 | Key->UnicodeChar = 0x00;\r |
1634 | }\r | |
1635 | }\r | |
1636 | \r | |
813acf3a | 1637 | //\r |
1638 | // Translate Unicode 0x1B (ESC) to EFI Scan Code\r | |
1639 | //\r | |
1640 | if (Key->UnicodeChar == 0x1B && Key->ScanCode == SCAN_NULL) {\r | |
1641 | Key->ScanCode = SCAN_ESC;\r | |
1642 | Key->UnicodeChar = 0x00;\r | |
1643 | }\r | |
1644 | \r | |
ed838d0c | 1645 | if (Key->UnicodeChar == 0 && Key->ScanCode == SCAN_NULL) {\r |
1646 | return EFI_NOT_READY;\r | |
1647 | }\r | |
1648 | \r | |
66aa04e4 | 1649 | \r |
1650 | //\r | |
1651 | // Save Shift/Toggle state\r | |
1652 | //\r | |
1653 | if (UsbKeyboardDevice->LeftCtrlOn == 1) {\r | |
1654 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_LEFT_CONTROL_PRESSED;\r | |
1655 | }\r | |
1656 | if (UsbKeyboardDevice->RightCtrlOn == 1) {\r | |
1657 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_RIGHT_CONTROL_PRESSED;\r | |
1658 | }\r | |
1659 | if (UsbKeyboardDevice->LeftAltOn == 1) {\r | |
1660 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_LEFT_ALT_PRESSED;\r | |
1661 | }\r | |
1662 | if (UsbKeyboardDevice->RightAltOn == 1) {\r | |
1663 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_RIGHT_ALT_PRESSED;\r | |
1664 | }\r | |
1665 | if (UsbKeyboardDevice->LeftShiftOn == 1) {\r | |
1666 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_LEFT_SHIFT_PRESSED;\r | |
1667 | }\r | |
1668 | if (UsbKeyboardDevice->RightShiftOn == 1) {\r | |
1669 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_RIGHT_SHIFT_PRESSED;\r | |
1670 | }\r | |
1671 | if (UsbKeyboardDevice->LeftLogoOn == 1) {\r | |
1672 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_LEFT_LOGO_PRESSED;\r | |
1673 | }\r | |
1674 | if (UsbKeyboardDevice->RightLogoOn == 1) {\r | |
1675 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_RIGHT_LOGO_PRESSED;\r | |
1676 | }\r | |
1677 | if (UsbKeyboardDevice->MenuKeyOn == 1) {\r | |
1678 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_MENU_KEY_PRESSED;\r | |
1679 | }\r | |
1680 | if (UsbKeyboardDevice->SysReqOn == 1) {\r | |
1681 | UsbKeyboardDevice->KeyState.KeyShiftState |= EFI_SYS_REQ_PRESSED;\r | |
813acf3a | 1682 | }\r |
66aa04e4 | 1683 | \r |
1684 | if (UsbKeyboardDevice->ScrollOn == 1) {\r | |
1685 | UsbKeyboardDevice->KeyState.KeyToggleState |= EFI_SCROLL_LOCK_ACTIVE;\r | |
1686 | }\r | |
1687 | if (UsbKeyboardDevice->NumLockOn == 1) {\r | |
1688 | UsbKeyboardDevice->KeyState.KeyToggleState |= EFI_NUM_LOCK_ACTIVE;\r | |
1689 | }\r | |
1690 | if (UsbKeyboardDevice->CapsOn == 1) {\r | |
1691 | UsbKeyboardDevice->KeyState.KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;\r | |
1692 | }\r | |
1693 | \r | |
ed838d0c | 1694 | return EFI_SUCCESS;\r |
1695 | \r | |
1696 | }\r | |
1697 | \r | |
1698 | \r | |
1699 | \r | |
1700 | /**\r | |
1701 | Resets USB Keyboard Buffer.\r | |
1702 | \r | |
1703 | @param KeyboardBuffer Points to the USB Keyboard Buffer.\r | |
1704 | \r | |
1705 | @retval EFI_SUCCESS Success\r | |
1706 | \r | |
1707 | **/\r | |
1708 | EFI_STATUS\r | |
1709 | InitUSBKeyBuffer (\r | |
1710 | IN OUT USB_KB_BUFFER *KeyboardBuffer\r | |
1711 | )\r | |
1712 | {\r | |
1713 | ZeroMem (KeyboardBuffer, sizeof (USB_KB_BUFFER));\r | |
1714 | \r | |
1715 | KeyboardBuffer->bHead = KeyboardBuffer->bTail;\r | |
1716 | \r | |
1717 | return EFI_SUCCESS;\r | |
1718 | }\r | |
1719 | \r | |
1720 | \r | |
1721 | /**\r | |
1722 | Check whether USB Keyboard buffer is empty.\r | |
1723 | \r | |
1724 | @param KeyboardBuffer USB Keyboard Buffer.\r | |
1725 | \r | |
1726 | \r | |
1727 | **/\r | |
1728 | BOOLEAN\r | |
1729 | IsUSBKeyboardBufferEmpty (\r | |
1730 | IN USB_KB_BUFFER *KeyboardBuffer\r | |
1731 | )\r | |
1732 | {\r | |
1733 | //\r | |
1734 | // meet FIFO empty condition\r | |
1735 | //\r | |
1736 | return (BOOLEAN) (KeyboardBuffer->bHead == KeyboardBuffer->bTail);\r | |
1737 | }\r | |
1738 | \r | |
1739 | \r | |
1740 | \r | |
1741 | /**\r | |
1742 | Check whether USB Keyboard buffer is full.\r | |
1743 | \r | |
1744 | @param KeyboardBuffer USB Keyboard Buffer.\r | |
1745 | \r | |
1746 | \r | |
1747 | **/\r | |
1748 | BOOLEAN\r | |
1749 | IsUSBKeyboardBufferFull (\r | |
1750 | IN USB_KB_BUFFER *KeyboardBuffer\r | |
1751 | )\r | |
1752 | {\r | |
1753 | return (BOOLEAN)(((KeyboardBuffer->bTail + 1) % (MAX_KEY_ALLOWED + 1)) ==\r | |
1754 | KeyboardBuffer->bHead);\r | |
1755 | }\r | |
1756 | \r | |
1757 | \r | |
1758 | \r | |
1759 | /**\r | |
1760 | Inserts a key code into keyboard buffer.\r | |
1761 | \r | |
1762 | @param KeyboardBuffer Points to the USB Keyboard Buffer.\r | |
1763 | @param Key Key code\r | |
1764 | @param Down Special key\r | |
1765 | \r | |
1766 | @retval EFI_SUCCESS Success\r | |
1767 | \r | |
1768 | **/\r | |
1769 | EFI_STATUS\r | |
1770 | InsertKeyCode (\r | |
1771 | IN OUT USB_KB_BUFFER *KeyboardBuffer,\r | |
1772 | IN UINT8 Key,\r | |
1773 | IN UINT8 Down\r | |
1774 | )\r | |
1775 | {\r | |
1776 | USB_KEY UsbKey;\r | |
1777 | \r | |
1778 | //\r | |
1779 | // if keyboard buffer is full, throw the\r | |
1780 | // first key out of the keyboard buffer.\r | |
1781 | //\r | |
1782 | if (IsUSBKeyboardBufferFull (KeyboardBuffer)) {\r | |
1783 | RemoveKeyCode (KeyboardBuffer, &UsbKey);\r | |
1784 | }\r | |
1785 | \r | |
1786 | KeyboardBuffer->buffer[KeyboardBuffer->bTail].KeyCode = Key;\r | |
1787 | KeyboardBuffer->buffer[KeyboardBuffer->bTail].Down = Down;\r | |
1788 | \r | |
1789 | //\r | |
1790 | // adjust the tail pointer of the FIFO keyboard buffer.\r | |
1791 | //\r | |
1792 | KeyboardBuffer->bTail = (UINT8) ((KeyboardBuffer->bTail + 1) % (MAX_KEY_ALLOWED + 1));\r | |
1793 | \r | |
1794 | return EFI_SUCCESS;\r | |
1795 | }\r | |
1796 | \r | |
1797 | \r | |
1798 | /**\r | |
1799 | Pops a key code off from keyboard buffer.\r | |
1800 | \r | |
1801 | @param KeyboardBuffer Points to the USB Keyboard Buffer.\r | |
1802 | @param UsbKey Points to the buffer that contains a usb key code.\r | |
1803 | \r | |
1804 | @retval EFI_SUCCESS Success\r | |
1805 | @retval EFI_DEVICE_ERROR Hardware Error\r | |
1806 | \r | |
1807 | **/\r | |
1808 | EFI_STATUS\r | |
1809 | RemoveKeyCode (\r | |
1810 | IN OUT USB_KB_BUFFER *KeyboardBuffer,\r | |
1811 | OUT USB_KEY *UsbKey\r | |
1812 | )\r | |
1813 | {\r | |
1814 | if (IsUSBKeyboardBufferEmpty (KeyboardBuffer)) {\r | |
1815 | return EFI_DEVICE_ERROR;\r | |
1816 | }\r | |
1817 | \r | |
1818 | UsbKey->KeyCode = KeyboardBuffer->buffer[KeyboardBuffer->bHead].KeyCode;\r | |
1819 | UsbKey->Down = KeyboardBuffer->buffer[KeyboardBuffer->bHead].Down;\r | |
1820 | \r | |
1821 | //\r | |
1822 | // adjust the head pointer of the FIFO keyboard buffer.\r | |
1823 | //\r | |
1824 | KeyboardBuffer->bHead = (UINT8) ((KeyboardBuffer->bHead + 1) % (MAX_KEY_ALLOWED + 1));\r | |
1825 | \r | |
1826 | return EFI_SUCCESS;\r | |
1827 | }\r | |
1828 | \r | |
1829 | \r | |
1830 | /**\r | |
1831 | Sets USB Keyboard LED state.\r | |
1832 | \r | |
1833 | @param UsbKeyboardDevice The USB_KB_DEV instance.\r | |
1834 | \r | |
1835 | @retval EFI_SUCCESS Success\r | |
1836 | \r | |
1837 | **/\r | |
1838 | EFI_STATUS\r | |
1839 | SetKeyLED (\r | |
1840 | IN USB_KB_DEV *UsbKeyboardDevice\r | |
1841 | )\r | |
1842 | {\r | |
1843 | LED_MAP Led;\r | |
1844 | UINT8 ReportId;\r | |
1845 | \r | |
1846 | //\r | |
1847 | // Set each field in Led map.\r | |
1848 | //\r | |
1849 | Led.NumLock = (UINT8) UsbKeyboardDevice->NumLockOn;\r | |
1850 | Led.CapsLock = (UINT8) UsbKeyboardDevice->CapsOn;\r | |
1851 | Led.ScrollLock = (UINT8) UsbKeyboardDevice->ScrollOn;\r | |
1852 | Led.Resrvd = 0;\r | |
1853 | \r | |
1854 | ReportId = 0;\r | |
1855 | //\r | |
1856 | // call Set Report Request to lighten the LED.\r | |
1857 | //\r | |
1858 | UsbSetReportRequest (\r | |
1859 | UsbKeyboardDevice->UsbIo,\r | |
1860 | UsbKeyboardDevice->InterfaceDescriptor.InterfaceNumber,\r | |
1861 | ReportId,\r | |
1862 | HID_OUTPUT_REPORT,\r | |
1863 | 1,\r | |
1864 | (UINT8 *) &Led\r | |
1865 | );\r | |
1866 | \r | |
1867 | return EFI_SUCCESS;\r | |
1868 | }\r | |
1869 | \r | |
1870 | \r | |
1871 | /**\r | |
1872 | Timer handler for Repeat Key timer.\r | |
1873 | \r | |
1874 | @param Event The Repeat Key event.\r | |
1875 | @param Context Points to the USB_KB_DEV instance.\r | |
1876 | \r | |
1877 | \r | |
1878 | **/\r | |
1879 | VOID\r | |
1880 | EFIAPI\r | |
1881 | USBKeyboardRepeatHandler (\r | |
1882 | IN EFI_EVENT Event,\r | |
1883 | IN VOID *Context\r | |
1884 | )\r | |
1885 | {\r | |
1886 | USB_KB_DEV *UsbKeyboardDevice;\r | |
1887 | \r | |
1888 | UsbKeyboardDevice = (USB_KB_DEV *) Context;\r | |
1889 | \r | |
1890 | //\r | |
1891 | // Do nothing when there is no repeat key.\r | |
1892 | //\r | |
1893 | if (UsbKeyboardDevice->RepeatKey != 0) {\r | |
1894 | //\r | |
1895 | // Inserts one Repeat key into keyboard buffer,\r | |
1896 | //\r | |
1897 | InsertKeyCode (\r | |
1898 | &(UsbKeyboardDevice->KeyboardBuffer),\r | |
1899 | UsbKeyboardDevice->RepeatKey,\r | |
1900 | 1\r | |
1901 | );\r | |
1902 | \r | |
1903 | //\r | |
1904 | // set repeate rate for repeat key generation.\r | |
1905 | //\r | |
1906 | gBS->SetTimer (\r | |
1907 | UsbKeyboardDevice->RepeatTimer,\r | |
1908 | TimerRelative,\r | |
1909 | USBKBD_REPEAT_RATE\r | |
1910 | );\r | |
1911 | \r | |
1912 | }\r | |
1913 | }\r | |
1914 | \r | |
1915 | \r | |
1916 | /**\r | |
1917 | Timer handler for Delayed Recovery timer.\r | |
1918 | \r | |
1919 | @param Event The Delayed Recovery event.\r | |
1920 | @param Context Points to the USB_KB_DEV instance.\r | |
1921 | \r | |
1922 | \r | |
1923 | **/\r | |
1924 | VOID\r | |
1925 | EFIAPI\r | |
1926 | USBKeyboardRecoveryHandler (\r | |
1927 | IN EFI_EVENT Event,\r | |
1928 | IN VOID *Context\r | |
1929 | )\r | |
1930 | {\r | |
1931 | \r | |
1932 | USB_KB_DEV *UsbKeyboardDevice;\r | |
1933 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
1934 | UINT8 PacketSize;\r | |
1935 | \r | |
1936 | UsbKeyboardDevice = (USB_KB_DEV *) Context;\r | |
1937 | \r | |
1938 | UsbIo = UsbKeyboardDevice->UsbIo;\r | |
1939 | \r | |
1940 | PacketSize = (UINT8) (UsbKeyboardDevice->IntEndpointDescriptor.MaxPacketSize);\r | |
1941 | \r | |
1942 | UsbIo->UsbAsyncInterruptTransfer (\r | |
1943 | UsbIo,\r | |
1944 | UsbKeyboardDevice->IntEndpointDescriptor.EndpointAddress,\r | |
1945 | TRUE,\r | |
1946 | UsbKeyboardDevice->IntEndpointDescriptor.Interval,\r | |
1947 | PacketSize,\r | |
1948 | KeyboardHandler,\r | |
1949 | UsbKeyboardDevice\r | |
1950 | );\r | |
1951 | }\r |