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f713c4fe | 1 | /** @file\r |
f3d1e940 | 2 | PS/2 keyboard driver header file\r |
05fbd06d | 3 | \r |
c220787b | 4 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
180a5a35 | 5 | This program and the accompanying materials\r |
df0dcb5e | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
05fbd06d | 12 | \r |
13 | **/\r | |
14 | \r | |
f713c4fe | 15 | #ifndef _PS2KEYBOARD_H_\r |
16 | #define _PS2KEYBOARD_H_\r | |
05fbd06d | 17 | \r |
79bc7a89 | 18 | #include <FrameworkDxe.h>\r |
752f2e26 | 19 | \r |
20 | #include <Protocol/SimpleTextIn.h>\r | |
f3d1e940 | 21 | #include <Protocol/SimpleTextInEx.h>\r |
752f2e26 | 22 | #include <Protocol/IsaIo.h>\r |
23 | #include <Protocol/DevicePath.h>\r | |
24 | #include <Protocol/Ps2Policy.h>\r | |
25 | \r | |
26 | #include <Library/UefiDriverEntryPoint.h>\r | |
27 | #include <Library/UefiLib.h>\r | |
28 | #include <Library/UefiBootServicesTableLib.h>\r | |
29 | #include <Library/ReportStatusCodeLib.h>\r | |
30 | #include <Library/DebugLib.h>\r | |
31 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
32 | #include <Library/MemoryAllocationLib.h>\r | |
f3d1e940 | 33 | #include <Library/BaseLib.h>\r |
34 | #include <Library/BaseMemoryLib.h>\r | |
b6763e03 | 35 | #include <Library/TimerLib.h>\r |
f6c014fb | 36 | #include <Library/PcdLib.h>\r |
05fbd06d | 37 | \r |
9f6531d1 | 38 | //\r |
39 | // Global Variables\r | |
40 | //\r | |
41 | extern EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver;\r | |
42 | extern EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName;\r | |
43 | extern EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2;\r | |
44 | \r | |
05fbd06d | 45 | //\r |
46 | // Driver Private Data\r | |
47 | //\r | |
c220787b | 48 | #define KEYBOARD_CONSOLE_IN_DEV_SIGNATURE SIGNATURE_32 ('k', 'k', 'e', 'y')\r |
f02bd376 | 49 | #define KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('k', 'c', 'e', 'n')\r |
f3d1e940 | 50 | \r |
51 | typedef struct _KEYBOARD_CONSOLE_IN_EX_NOTIFY {\r | |
c220787b RN |
52 | UINTN Signature;\r |
53 | EFI_HANDLE NotifyHandle;\r | |
54 | EFI_KEY_DATA KeyData;\r | |
55 | EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;\r | |
56 | LIST_ENTRY NotifyEntry;\r | |
f3d1e940 | 57 | } KEYBOARD_CONSOLE_IN_EX_NOTIFY;\r |
58 | \r | |
c220787b RN |
59 | #define KEYBOARD_SCAN_CODE_MAX_COUNT 32\r |
60 | typedef struct {\r | |
61 | UINT8 Buffer[KEYBOARD_SCAN_CODE_MAX_COUNT];\r | |
62 | UINTN Head;\r | |
63 | UINTN Tail;\r | |
64 | } SCAN_CODE_QUEUE;\r | |
65 | \r | |
66 | #define KEYBOARD_EFI_KEY_MAX_COUNT 256\r | |
67 | typedef struct {\r | |
68 | EFI_KEY_DATA Buffer[KEYBOARD_EFI_KEY_MAX_COUNT];\r | |
69 | UINTN Head;\r | |
70 | UINTN Tail;\r | |
71 | } EFI_KEY_QUEUE;\r | |
05fbd06d | 72 | \r |
73 | typedef struct {\r | |
74 | UINTN Signature;\r | |
75 | \r | |
76 | EFI_HANDLE Handle;\r | |
77 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL ConIn;\r | |
f3d1e940 | 78 | EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL ConInEx;\r |
05fbd06d | 79 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
80 | \r | |
81 | EFI_EVENT TimerEvent;\r | |
82 | \r | |
83 | UINT32 DataRegisterAddress;\r | |
84 | UINT32 StatusRegisterAddress;\r | |
85 | UINT32 CommandRegisterAddress;\r | |
86 | \r | |
f3d1e940 | 87 | BOOLEAN LeftShift;\r |
88 | BOOLEAN RightShift; \r | |
89 | BOOLEAN LeftLogo;\r | |
90 | BOOLEAN RightLogo;\r | |
91 | BOOLEAN Menu;\r | |
92 | BOOLEAN SysReq;\r | |
05fbd06d | 93 | \r |
94 | BOOLEAN Ctrl;\r | |
95 | BOOLEAN Alt;\r | |
96 | BOOLEAN Shift;\r | |
97 | BOOLEAN CapsLock;\r | |
98 | BOOLEAN NumLock;\r | |
99 | BOOLEAN ScrollLock;\r | |
100 | \r | |
101 | //\r | |
c220787b | 102 | // Queue storing key scancodes\r |
05fbd06d | 103 | //\r |
c220787b RN |
104 | SCAN_CODE_QUEUE ScancodeQueue;\r |
105 | EFI_KEY_QUEUE EfiKeyQueue;\r | |
05fbd06d | 106 | \r |
107 | //\r | |
108 | // Error state\r | |
109 | //\r | |
110 | BOOLEAN KeyboardErr;\r | |
111 | \r | |
112 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r | |
113 | \r | |
114 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
f3d1e940 | 115 | //\r |
116 | // Notification Function List\r | |
117 | //\r | |
118 | LIST_ENTRY NotifyList;\r | |
05fbd06d | 119 | } KEYBOARD_CONSOLE_IN_DEV;\r |
120 | \r | |
121 | #define KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) CR (a, KEYBOARD_CONSOLE_IN_DEV, ConIn, KEYBOARD_CONSOLE_IN_DEV_SIGNATURE)\r | |
f3d1e940 | 122 | #define TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) \\r |
123 | CR (a, \\r | |
124 | KEYBOARD_CONSOLE_IN_DEV, \\r | |
125 | ConInEx, \\r | |
126 | KEYBOARD_CONSOLE_IN_DEV_SIGNATURE \\r | |
127 | )\r | |
05fbd06d | 128 | \r |
129 | #define TABLE_END 0x0\r | |
130 | \r | |
05fbd06d | 131 | //\r |
132 | // Driver entry point\r | |
133 | //\r | |
bcd70414 | 134 | /**\r |
135 | The user Entry Point for module Ps2Keyboard. The user code starts with this function.\r | |
136 | \r | |
137 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r | |
138 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
139 | \r | |
140 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
141 | @retval other Some error occurs when executing this entry point.\r | |
142 | \r | |
143 | **/\r | |
05fbd06d | 144 | EFI_STATUS\r |
f3d1e940 | 145 | EFIAPI\r |
05fbd06d | 146 | InstallPs2KeyboardDriver (\r |
147 | IN EFI_HANDLE ImageHandle,\r | |
148 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
ed66e1bc | 149 | );\r |
05fbd06d | 150 | \r |
151 | #define KEYBOARD_8042_DATA_REGISTER 0x60\r | |
152 | #define KEYBOARD_8042_STATUS_REGISTER 0x64\r | |
153 | #define KEYBOARD_8042_COMMAND_REGISTER 0x64\r | |
154 | \r | |
155 | #define KEYBOARD_KBEN 0xF4\r | |
156 | #define KEYBOARD_CMDECHO_ACK 0xFA\r | |
157 | \r | |
05f89b17 | 158 | #define KEYBOARD_MAX_TRY 256 // 256\r |
05fbd06d | 159 | #define KEYBOARD_TIMEOUT 65536 // 0.07s\r |
160 | #define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s\r | |
161 | #define KEYBOARD_BAT_TIMEOUT 4000000 // 4s\r | |
162 | #define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s\r | |
163 | #define SCANCODE_EXTENDED 0xE0\r | |
164 | #define SCANCODE_EXTENDED1 0xE1\r | |
165 | #define SCANCODE_CTRL_MAKE 0x1D\r | |
166 | #define SCANCODE_CTRL_BREAK 0x9D\r | |
167 | #define SCANCODE_ALT_MAKE 0x38\r | |
168 | #define SCANCODE_ALT_BREAK 0xB8\r | |
169 | #define SCANCODE_LEFT_SHIFT_MAKE 0x2A\r | |
170 | #define SCANCODE_LEFT_SHIFT_BREAK 0xAA\r | |
171 | #define SCANCODE_RIGHT_SHIFT_MAKE 0x36\r | |
172 | #define SCANCODE_RIGHT_SHIFT_BREAK 0xB6\r | |
173 | #define SCANCODE_CAPS_LOCK_MAKE 0x3A\r | |
174 | #define SCANCODE_NUM_LOCK_MAKE 0x45\r | |
175 | #define SCANCODE_SCROLL_LOCK_MAKE 0x46\r | |
c220787b | 176 | #define SCANCODE_DELETE_MAKE 0x53\r |
f3d1e940 | 177 | #define SCANCODE_LEFT_LOGO_MAKE 0x5B //GUI key defined in Keyboard scan code\r |
178 | #define SCANCODE_LEFT_LOGO_BREAK 0xDB\r | |
179 | #define SCANCODE_RIGHT_LOGO_MAKE 0x5C\r | |
180 | #define SCANCODE_RIGHT_LOGO_BREAK 0xDC\r | |
181 | #define SCANCODE_MENU_MAKE 0x5D //APPS key defined in Keyboard scan code \r | |
182 | #define SCANCODE_MENU_BREAK 0xDD\r | |
183 | #define SCANCODE_SYS_REQ_MAKE 0x37\r | |
184 | #define SCANCODE_MAX_MAKE 0x60\r | |
05fbd06d | 185 | \r |
e8123186 | 186 | #define SCANCODE_PAUSE_MAKE 0x1D45\r |
187 | \r | |
b6763e03 | 188 | #define KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA BIT0 ///< 0 - Output register has no data; 1 - Output register has data\r |
189 | #define KEYBOARD_STATUS_REGISTER_HAS_INPUT_DATA BIT1 ///< 0 - Input register has no data; 1 - Input register has data\r | |
190 | #define KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG BIT2 ///< Set to 0 after power on reset\r | |
191 | #define KEYBOARD_STATUS_REGISTER_INPUT_DATA_TYPE BIT3 ///< 0 - Data in input register is data; 1 - Data in input register is command\r | |
192 | #define KEYBOARD_STATUS_REGISTER_ENABLE_FLAG BIT4 ///< 0 - Keyboard is disable; 1 - Keyboard is enable\r | |
193 | #define KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT BIT5 ///< 0 - Transmit is complete without timeout; 1 - Transmit is timeout without complete\r | |
194 | #define KEYBOARD_STATUS_REGISTER_RECEIVE_TIMEOUT BIT6 ///< 0 - Receive is complete without timeout; 1 - Receive is timeout without complete\r | |
195 | #define KEYBOARD_STATUS_REGISTER_PARITY BIT7 ///< 0 - Odd parity; 1 - Even parity\r | |
196 | \r | |
197 | #define KEYBOARD_8042_COMMAND_READ 0x20\r | |
198 | #define KEYBOARD_8042_COMMAND_WRITE 0x60\r | |
199 | #define KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE 0xA7\r | |
200 | #define KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE 0xA8\r | |
201 | #define KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST 0xAA\r | |
202 | #define KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST 0xAB\r | |
203 | #define KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE 0xAD\r | |
204 | \r | |
205 | #define KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA 0xF4\r | |
206 | #define KEYBOARD_8048_COMMAND_RESET 0xFF\r | |
207 | #define KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET 0xF0\r | |
208 | \r | |
209 | #define KEYBOARD_8048_RETURN_8042_BAT_SUCCESS 0xAA\r | |
210 | #define KEYBOARD_8048_RETURN_8042_BAT_ERROR 0xFC\r | |
211 | #define KEYBOARD_8048_RETURN_8042_ACK 0xFA\r | |
212 | \r | |
213 | \r | |
007c18f5 | 214 | //\r |
215 | // Keyboard Controller Status\r | |
216 | //\r | |
217 | #define KBC_PARE 0x80 // Parity Error\r | |
218 | #define KBC_TIM 0x40 // General Time Out\r | |
219 | \r | |
05fbd06d | 220 | //\r |
221 | // Other functions that are used among .c files\r | |
222 | //\r | |
bcd70414 | 223 | /**\r |
224 | Show keyboard status lights according to\r | |
225 | indicators in ConsoleIn.\r | |
226 | \r | |
227 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
228 | \r | |
229 | @return status\r | |
f3d1e940 | 230 | \r |
bcd70414 | 231 | **/\r |
f3d1e940 | 232 | EFI_STATUS\r |
233 | UpdateStatusLights (\r | |
234 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 235 | );\r |
f3d1e940 | 236 | \r |
bcd70414 | 237 | /**\r |
f713c4fe | 238 | write key to keyboard.\r |
f3d1e940 | 239 | \r |
bcd70414 | 240 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
241 | @param Data value wanted to be written\r | |
f3d1e940 | 242 | \r |
bcd70414 | 243 | @retval EFI_TIMEOUT - GC_TODO: Add description for return value\r |
244 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
f3d1e940 | 245 | \r |
bcd70414 | 246 | **/\r |
05fbd06d | 247 | EFI_STATUS\r |
248 | KeyboardRead (\r | |
249 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
250 | OUT UINT8 *Data\r | |
ed66e1bc | 251 | );\r |
05fbd06d | 252 | \r |
bcd70414 | 253 | /**\r |
c220787b | 254 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r |
05fbd06d | 255 | \r |
c220787b | 256 | The function is always called in TPL_NOTIFY.\r |
05fbd06d | 257 | \r |
c220787b | 258 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
05fbd06d | 259 | \r |
bcd70414 | 260 | **/\r |
c220787b | 261 | VOID\r |
05fbd06d | 262 | KeyGetchar (\r |
263 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 264 | );\r |
05fbd06d | 265 | \r |
bcd70414 | 266 | /**\r |
f713c4fe | 267 | Perform 8042 controller and keyboard Initialization.\r |
bcd70414 | 268 | If ExtendedVerification is TRUE, do additional test for\r |
269 | the keyboard interface\r | |
05fbd06d | 270 | \r |
bcd70414 | 271 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
272 | @param ExtendedVerification - indicates a thorough initialization\r | |
05fbd06d | 273 | \r |
bcd70414 | 274 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
275 | @retval EFI_SUCCESS Success to init keyboard\r | |
276 | **/\r | |
05fbd06d | 277 | EFI_STATUS\r |
278 | InitKeyboard (\r | |
279 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
280 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 281 | );\r |
05fbd06d | 282 | \r |
bcd70414 | 283 | /**\r |
f713c4fe | 284 | Disable the keyboard interface of the 8042 controller.\r |
05fbd06d | 285 | \r |
bcd70414 | 286 | @param ConsoleIn - the device instance\r |
05fbd06d | 287 | \r |
bcd70414 | 288 | @return status of issuing disable command\r |
05fbd06d | 289 | \r |
bcd70414 | 290 | **/\r |
05fbd06d | 291 | EFI_STATUS\r |
292 | DisableKeyboard (\r | |
293 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 294 | );\r |
05fbd06d | 295 | \r |
bcd70414 | 296 | /**\r |
297 | Timer event handler: read a series of scancodes from 8042\r | |
298 | and put them into memory scancode buffer.\r | |
299 | it read as much scancodes to either fill\r | |
300 | the memory buffer or empty the keyboard buffer.\r | |
301 | It is registered as running under TPL_NOTIFY\r | |
05fbd06d | 302 | \r |
bcd70414 | 303 | @param Event - The timer event\r |
304 | @param Context - A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
05fbd06d | 305 | \r |
bcd70414 | 306 | **/\r |
05fbd06d | 307 | VOID\r |
308 | EFIAPI\r | |
309 | KeyboardTimerHandler (\r | |
310 | IN EFI_EVENT Event,\r | |
311 | IN VOID *Context\r | |
ed66e1bc | 312 | );\r |
05fbd06d | 313 | \r |
bcd70414 | 314 | /**\r |
315 | logic reset keyboard\r | |
316 | Implement SIMPLE_TEXT_IN.Reset()\r | |
317 | Perform 8042 controller and keyboard initialization\r | |
05fbd06d | 318 | \r |
bcd70414 | 319 | @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r |
320 | @param ExtendedVerification Indicate that the driver may perform a more \r | |
321 | exhaustive verification operation of the device during \r | |
322 | reset, now this par is ignored in this driver \r | |
05fbd06d | 323 | \r |
bcd70414 | 324 | **/\r |
05fbd06d | 325 | EFI_STATUS\r |
326 | EFIAPI\r | |
327 | KeyboardEfiReset (\r | |
328 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
329 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 330 | );\r |
05fbd06d | 331 | \r |
bcd70414 | 332 | /**\r |
333 | Implement SIMPLE_TEXT_IN.ReadKeyStroke().\r | |
334 | Retrieve key values for driver user.\r | |
05fbd06d | 335 | \r |
bcd70414 | 336 | @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r |
337 | @param Key The output buffer for key value \r | |
05fbd06d | 338 | \r |
bcd70414 | 339 | @retval EFI_SUCCESS success to read key stroke\r |
340 | **/\r | |
05fbd06d | 341 | EFI_STATUS\r |
342 | EFIAPI\r | |
343 | KeyboardReadKeyStroke (\r | |
344 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
345 | OUT EFI_INPUT_KEY *Key\r | |
ed66e1bc | 346 | );\r |
05fbd06d | 347 | \r |
bcd70414 | 348 | /**\r |
349 | Event notification function for SIMPLE_TEXT_IN.WaitForKey event\r | |
350 | Signal the event if there is key available\r | |
05fbd06d | 351 | \r |
bcd70414 | 352 | @param Event the event object\r |
353 | @param Context waitting context\r | |
05fbd06d | 354 | \r |
bcd70414 | 355 | **/\r |
05fbd06d | 356 | VOID\r |
357 | EFIAPI\r | |
358 | KeyboardWaitForKey (\r | |
359 | IN EFI_EVENT Event,\r | |
360 | IN VOID *Context\r | |
ed66e1bc | 361 | );\r |
05fbd06d | 362 | \r |
bcd70414 | 363 | /**\r |
f713c4fe | 364 | Read status register.\r |
05fbd06d | 365 | \r |
bcd70414 | 366 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
05fbd06d | 367 | \r |
bcd70414 | 368 | @return value in status register\r |
05fbd06d | 369 | \r |
bcd70414 | 370 | **/\r |
05fbd06d | 371 | UINT8\r |
372 | KeyReadStatusRegister (\r | |
373 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 374 | );\r |
05fbd06d | 375 | \r |
376 | /**\r | |
377 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
378 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
379 | should not be in system.\r | |
380 | \r | |
f713c4fe | 381 | @param[in] ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
05fbd06d | 382 | \r |
f3d1e940 | 383 | @retval TRUE Keyboard in System.\r |
384 | @retval FALSE Keyboard not in System.\r | |
05fbd06d | 385 | **/\r |
386 | BOOLEAN\r | |
387 | EFIAPI\r | |
388 | CheckKeyboardConnect (\r | |
389 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 390 | );\r |
f3d1e940 | 391 | \r |
bcd70414 | 392 | /**\r |
393 | Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
394 | Signal the event if there is key available\r | |
395 | \r | |
396 | @param Event event object\r | |
397 | @param Context waiting context\r | |
398 | \r | |
399 | **/\r | |
f3d1e940 | 400 | VOID\r |
401 | EFIAPI\r | |
402 | KeyboardWaitForKeyEx (\r | |
403 | IN EFI_EVENT Event,\r | |
404 | IN VOID *Context\r | |
ed66e1bc | 405 | ); \r |
f3d1e940 | 406 | \r |
407 | //\r | |
408 | // Simple Text Input Ex protocol function prototypes\r | |
409 | //\r | |
410 | \r | |
bcd70414 | 411 | /**\r |
412 | Reset the input device and optionaly run diagnostics\r | |
413 | \r | |
414 | @param This - Protocol instance pointer.\r | |
415 | @param ExtendedVerification - Driver may perform diagnostics on reset.\r | |
416 | \r | |
417 | @retval EFI_SUCCESS - The device was reset.\r | |
418 | @retval EFI_DEVICE_ERROR - The device is not functioning properly and could \r | |
419 | not be reset.\r | |
420 | \r | |
421 | **/\r | |
f3d1e940 | 422 | EFI_STATUS\r |
423 | EFIAPI\r | |
424 | KeyboardEfiResetEx (\r | |
425 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
426 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 427 | );\r |
f3d1e940 | 428 | \r |
bcd70414 | 429 | /**\r |
430 | Reads the next keystroke from the input device. The WaitForKey Event can \r | |
431 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
f3d1e940 | 432 | \r |
f3d1e940 | 433 | \r |
bcd70414 | 434 | @param This - Protocol instance pointer.\r |
435 | @param KeyData - A pointer to a buffer that is filled in with the keystroke \r | |
436 | state data for the key that was pressed.\r | |
f3d1e940 | 437 | \r |
bcd70414 | 438 | @retval EFI_SUCCESS - The keystroke information was returned.\r |
439 | @retval EFI_NOT_READY - There was no keystroke data availiable.\r | |
440 | @retval EFI_DEVICE_ERROR - The keystroke information was not returned due to \r | |
441 | hardware errors.\r | |
442 | @retval EFI_INVALID_PARAMETER - KeyData is NULL. \r | |
f3d1e940 | 443 | \r |
bcd70414 | 444 | **/\r |
f3d1e940 | 445 | EFI_STATUS\r |
446 | EFIAPI\r | |
447 | KeyboardReadKeyStrokeEx (\r | |
448 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
449 | OUT EFI_KEY_DATA *KeyData\r | |
ed66e1bc | 450 | );\r |
f3d1e940 | 451 | \r |
bcd70414 | 452 | /**\r |
453 | Set certain state for the input device.\r | |
f3d1e940 | 454 | \r |
bcd70414 | 455 | @param This - Protocol instance pointer.\r |
456 | @param KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the \r | |
457 | state for the input device.\r | |
f3d1e940 | 458 | \r |
bcd70414 | 459 | @retval EFI_SUCCESS - The device state was set successfully.\r |
460 | @retval EFI_DEVICE_ERROR - The device is not functioning correctly and could \r | |
461 | not have the setting adjusted.\r | |
462 | @retval EFI_UNSUPPORTED - The device does not have the ability to set its state.\r | |
463 | @retval EFI_INVALID_PARAMETER - KeyToggleState is NULL. \r | |
f3d1e940 | 464 | \r |
bcd70414 | 465 | **/\r |
f3d1e940 | 466 | EFI_STATUS\r |
467 | EFIAPI\r | |
468 | KeyboardSetState (\r | |
469 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
470 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
ed66e1bc | 471 | );\r |
f3d1e940 | 472 | \r |
bcd70414 | 473 | /**\r |
474 | Register a notification function for a particular keystroke for the input device.\r | |
475 | \r | |
476 | @param This - Protocol instance pointer.\r | |
477 | @param KeyData - A pointer to a buffer that is filled in with the keystroke \r | |
478 | information data for the key that was pressed.\r | |
479 | @param KeyNotificationFunction - Points to the function to be called when the key \r | |
480 | sequence is typed specified by KeyData. \r | |
481 | @param NotifyHandle - Points to the unique handle assigned to the registered notification. \r | |
482 | \r | |
483 | @retval EFI_SUCCESS - The notification function was registered successfully.\r | |
484 | @retval EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.\r | |
485 | @retval EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL. \r | |
486 | \r | |
487 | **/ \r | |
f3d1e940 | 488 | EFI_STATUS\r |
489 | EFIAPI\r | |
490 | KeyboardRegisterKeyNotify (\r | |
491 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
492 | IN EFI_KEY_DATA *KeyData,\r | |
493 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
494 | OUT EFI_HANDLE *NotifyHandle\r | |
ed66e1bc | 495 | );\r |
f3d1e940 | 496 | \r |
bcd70414 | 497 | /**\r |
498 | Remove a registered notification function from a particular keystroke.\r | |
f3d1e940 | 499 | \r |
bcd70414 | 500 | @param This - Protocol instance pointer. \r |
501 | @param NotificationHandle - The handle of the notification function being unregistered.\r | |
f3d1e940 | 502 | \r |
bcd70414 | 503 | \r |
504 | @retval EFI_SUCCESS - The notification function was unregistered successfully.\r | |
505 | @retval EFI_INVALID_PARAMETER - The NotificationHandle is invalid.\r | |
506 | @retval EFI_NOT_FOUND - Can not find the matching entry in database. \r | |
f3d1e940 | 507 | \r |
bcd70414 | 508 | **/ \r |
f3d1e940 | 509 | EFI_STATUS\r |
510 | EFIAPI\r | |
511 | KeyboardUnregisterKeyNotify (\r | |
512 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
513 | IN EFI_HANDLE NotificationHandle\r | |
ed66e1bc | 514 | );\r |
f3d1e940 | 515 | \r |
c220787b RN |
516 | /**\r |
517 | Push one key data to the EFI key buffer.\r | |
518 | \r | |
519 | @param Queue Pointer to instance of EFI_KEY_QUEUE.\r | |
520 | @param KeyData The key data to push.\r | |
521 | **/\r | |
522 | VOID\r | |
523 | PushEfikeyBufTail (\r | |
524 | IN EFI_KEY_QUEUE *Queue,\r | |
525 | IN EFI_KEY_DATA *KeyData\r | |
526 | );\r | |
527 | \r | |
528 | /**\r | |
529 | Judge whether is a registed key\r | |
530 | \r | |
531 | @param RegsiteredData A pointer to a buffer that is filled in with the keystroke \r | |
532 | state data for the key that was registered.\r | |
533 | @param InputData A pointer to a buffer that is filled in with the keystroke \r | |
534 | state data for the key that was pressed.\r | |
535 | \r | |
536 | @retval TRUE Key be pressed matches a registered key.\r | |
537 | @retval FLASE Match failed. \r | |
538 | \r | |
539 | **/\r | |
540 | BOOLEAN\r | |
541 | IsKeyRegistered (\r | |
542 | IN EFI_KEY_DATA *RegsiteredData,\r | |
543 | IN EFI_KEY_DATA *InputData\r | |
544 | );\r | |
05fbd06d | 545 | #endif\r |