]>
Commit | Line | Data |
---|---|---|
f713c4fe | 1 | /** @file\r |
f3d1e940 | 2 | PS/2 keyboard driver header file\r |
05fbd06d | 3 | \r |
896ae6fc | 4 | Copyright (c) 2006 - 2018, 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 |
265dd403 | 18 | #include <Uefi.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 | 52 | UINTN Signature;\r |
c220787b RN |
53 | EFI_KEY_DATA KeyData;\r |
54 | EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;\r | |
55 | LIST_ENTRY NotifyEntry;\r | |
f3d1e940 | 56 | } KEYBOARD_CONSOLE_IN_EX_NOTIFY;\r |
57 | \r | |
c220787b RN |
58 | #define KEYBOARD_SCAN_CODE_MAX_COUNT 32\r |
59 | typedef struct {\r | |
60 | UINT8 Buffer[KEYBOARD_SCAN_CODE_MAX_COUNT];\r | |
61 | UINTN Head;\r | |
62 | UINTN Tail;\r | |
63 | } SCAN_CODE_QUEUE;\r | |
64 | \r | |
65 | #define KEYBOARD_EFI_KEY_MAX_COUNT 256\r | |
66 | typedef struct {\r | |
67 | EFI_KEY_DATA Buffer[KEYBOARD_EFI_KEY_MAX_COUNT];\r | |
68 | UINTN Head;\r | |
69 | UINTN Tail;\r | |
70 | } EFI_KEY_QUEUE;\r | |
05fbd06d | 71 | \r |
72 | typedef struct {\r | |
73 | UINTN Signature;\r | |
74 | \r | |
75 | EFI_HANDLE Handle;\r | |
76 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL ConIn;\r | |
f3d1e940 | 77 | EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL ConInEx;\r |
05fbd06d | 78 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
79 | \r | |
80 | EFI_EVENT TimerEvent;\r | |
81 | \r | |
82 | UINT32 DataRegisterAddress;\r | |
83 | UINT32 StatusRegisterAddress;\r | |
84 | UINT32 CommandRegisterAddress;\r | |
85 | \r | |
0d0bbc9f RN |
86 | BOOLEAN LeftCtrl;\r |
87 | BOOLEAN RightCtrl;\r | |
88 | BOOLEAN LeftAlt;\r | |
89 | BOOLEAN RightAlt;\r | |
f3d1e940 | 90 | BOOLEAN LeftShift;\r |
5829afe3 | 91 | BOOLEAN RightShift;\r |
f3d1e940 | 92 | BOOLEAN LeftLogo;\r |
93 | BOOLEAN RightLogo;\r | |
94 | BOOLEAN Menu;\r | |
95 | BOOLEAN SysReq;\r | |
05fbd06d | 96 | \r |
05fbd06d | 97 | BOOLEAN CapsLock;\r |
98 | BOOLEAN NumLock;\r | |
99 | BOOLEAN ScrollLock;\r | |
100 | \r | |
5829afe3 | 101 | BOOLEAN IsSupportPartialKey;\r |
05fbd06d | 102 | //\r |
c220787b | 103 | // Queue storing key scancodes\r |
05fbd06d | 104 | //\r |
c220787b RN |
105 | SCAN_CODE_QUEUE ScancodeQueue;\r |
106 | EFI_KEY_QUEUE EfiKeyQueue;\r | |
7863d11c | 107 | EFI_KEY_QUEUE EfiKeyQueueForNotify;\r |
05fbd06d | 108 | \r |
109 | //\r | |
110 | // Error state\r | |
111 | //\r | |
112 | BOOLEAN KeyboardErr;\r | |
113 | \r | |
114 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r | |
115 | \r | |
116 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
f3d1e940 | 117 | //\r |
118 | // Notification Function List\r | |
119 | //\r | |
120 | LIST_ENTRY NotifyList;\r | |
7863d11c | 121 | EFI_EVENT KeyNotifyProcessEvent;\r |
05fbd06d | 122 | } KEYBOARD_CONSOLE_IN_DEV;\r |
123 | \r | |
124 | #define KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) CR (a, KEYBOARD_CONSOLE_IN_DEV, ConIn, KEYBOARD_CONSOLE_IN_DEV_SIGNATURE)\r | |
f3d1e940 | 125 | #define TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) \\r |
126 | CR (a, \\r | |
127 | KEYBOARD_CONSOLE_IN_DEV, \\r | |
128 | ConInEx, \\r | |
129 | KEYBOARD_CONSOLE_IN_DEV_SIGNATURE \\r | |
130 | )\r | |
05fbd06d | 131 | \r |
132 | #define TABLE_END 0x0\r | |
133 | \r | |
05fbd06d | 134 | //\r |
135 | // Driver entry point\r | |
136 | //\r | |
bcd70414 | 137 | /**\r |
138 | The user Entry Point for module Ps2Keyboard. The user code starts with this function.\r | |
139 | \r | |
5829afe3 | 140 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r |
bcd70414 | 141 | @param[in] SystemTable A pointer to the EFI System Table.\r |
5829afe3 | 142 | \r |
bcd70414 | 143 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
144 | @retval other Some error occurs when executing this entry point.\r | |
145 | \r | |
146 | **/\r | |
05fbd06d | 147 | EFI_STATUS\r |
f3d1e940 | 148 | EFIAPI\r |
05fbd06d | 149 | InstallPs2KeyboardDriver (\r |
150 | IN EFI_HANDLE ImageHandle,\r | |
151 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
ed66e1bc | 152 | );\r |
05fbd06d | 153 | \r |
154 | #define KEYBOARD_8042_DATA_REGISTER 0x60\r | |
155 | #define KEYBOARD_8042_STATUS_REGISTER 0x64\r | |
156 | #define KEYBOARD_8042_COMMAND_REGISTER 0x64\r | |
157 | \r | |
158 | #define KEYBOARD_KBEN 0xF4\r | |
159 | #define KEYBOARD_CMDECHO_ACK 0xFA\r | |
160 | \r | |
05f89b17 | 161 | #define KEYBOARD_MAX_TRY 256 // 256\r |
05fbd06d | 162 | #define KEYBOARD_TIMEOUT 65536 // 0.07s\r |
163 | #define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s\r | |
164 | #define KEYBOARD_BAT_TIMEOUT 4000000 // 4s\r | |
165 | #define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s\r | |
0d0bbc9f | 166 | #define SCANCODE_EXTENDED0 0xE0\r |
05fbd06d | 167 | #define SCANCODE_EXTENDED1 0xE1\r |
168 | #define SCANCODE_CTRL_MAKE 0x1D\r | |
169 | #define SCANCODE_CTRL_BREAK 0x9D\r | |
170 | #define SCANCODE_ALT_MAKE 0x38\r | |
171 | #define SCANCODE_ALT_BREAK 0xB8\r | |
172 | #define SCANCODE_LEFT_SHIFT_MAKE 0x2A\r | |
173 | #define SCANCODE_LEFT_SHIFT_BREAK 0xAA\r | |
174 | #define SCANCODE_RIGHT_SHIFT_MAKE 0x36\r | |
175 | #define SCANCODE_RIGHT_SHIFT_BREAK 0xB6\r | |
176 | #define SCANCODE_CAPS_LOCK_MAKE 0x3A\r | |
177 | #define SCANCODE_NUM_LOCK_MAKE 0x45\r | |
178 | #define SCANCODE_SCROLL_LOCK_MAKE 0x46\r | |
c220787b | 179 | #define SCANCODE_DELETE_MAKE 0x53\r |
f3d1e940 | 180 | #define SCANCODE_LEFT_LOGO_MAKE 0x5B //GUI key defined in Keyboard scan code\r |
181 | #define SCANCODE_LEFT_LOGO_BREAK 0xDB\r | |
182 | #define SCANCODE_RIGHT_LOGO_MAKE 0x5C\r | |
183 | #define SCANCODE_RIGHT_LOGO_BREAK 0xDC\r | |
5829afe3 | 184 | #define SCANCODE_MENU_MAKE 0x5D //APPS key defined in Keyboard scan code\r |
f3d1e940 | 185 | #define SCANCODE_MENU_BREAK 0xDD\r |
186 | #define SCANCODE_SYS_REQ_MAKE 0x37\r | |
0d0bbc9f RN |
187 | #define SCANCODE_SYS_REQ_BREAK 0xB7\r |
188 | #define SCANCODE_SYS_REQ_MAKE_WITH_ALT 0x54\r | |
189 | #define SCANCODE_SYS_REQ_BREAK_WITH_ALT 0xD4\r | |
190 | \r | |
f3d1e940 | 191 | #define SCANCODE_MAX_MAKE 0x60\r |
05fbd06d | 192 | \r |
e8123186 | 193 | \r |
b6763e03 | 194 | #define KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA BIT0 ///< 0 - Output register has no data; 1 - Output register has data\r |
195 | #define KEYBOARD_STATUS_REGISTER_HAS_INPUT_DATA BIT1 ///< 0 - Input register has no data; 1 - Input register has data\r | |
196 | #define KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG BIT2 ///< Set to 0 after power on reset\r | |
197 | #define KEYBOARD_STATUS_REGISTER_INPUT_DATA_TYPE BIT3 ///< 0 - Data in input register is data; 1 - Data in input register is command\r | |
198 | #define KEYBOARD_STATUS_REGISTER_ENABLE_FLAG BIT4 ///< 0 - Keyboard is disable; 1 - Keyboard is enable\r | |
199 | #define KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT BIT5 ///< 0 - Transmit is complete without timeout; 1 - Transmit is timeout without complete\r | |
200 | #define KEYBOARD_STATUS_REGISTER_RECEIVE_TIMEOUT BIT6 ///< 0 - Receive is complete without timeout; 1 - Receive is timeout without complete\r | |
201 | #define KEYBOARD_STATUS_REGISTER_PARITY BIT7 ///< 0 - Odd parity; 1 - Even parity\r | |
202 | \r | |
203 | #define KEYBOARD_8042_COMMAND_READ 0x20\r | |
204 | #define KEYBOARD_8042_COMMAND_WRITE 0x60\r | |
205 | #define KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE 0xA7\r | |
206 | #define KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE 0xA8\r | |
207 | #define KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST 0xAA\r | |
208 | #define KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST 0xAB\r | |
209 | #define KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE 0xAD\r | |
210 | \r | |
211 | #define KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA 0xF4\r | |
212 | #define KEYBOARD_8048_COMMAND_RESET 0xFF\r | |
213 | #define KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET 0xF0\r | |
214 | \r | |
215 | #define KEYBOARD_8048_RETURN_8042_BAT_SUCCESS 0xAA\r | |
216 | #define KEYBOARD_8048_RETURN_8042_BAT_ERROR 0xFC\r | |
217 | #define KEYBOARD_8048_RETURN_8042_ACK 0xFA\r | |
218 | \r | |
219 | \r | |
007c18f5 | 220 | //\r |
221 | // Keyboard Controller Status\r | |
222 | //\r | |
223 | #define KBC_PARE 0x80 // Parity Error\r | |
224 | #define KBC_TIM 0x40 // General Time Out\r | |
225 | \r | |
05fbd06d | 226 | //\r |
227 | // Other functions that are used among .c files\r | |
228 | //\r | |
bcd70414 | 229 | /**\r |
230 | Show keyboard status lights according to\r | |
231 | indicators in ConsoleIn.\r | |
232 | \r | |
233 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
5829afe3 | 234 | \r |
bcd70414 | 235 | @return status\r |
f3d1e940 | 236 | \r |
bcd70414 | 237 | **/\r |
f3d1e940 | 238 | EFI_STATUS\r |
239 | UpdateStatusLights (\r | |
240 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 241 | );\r |
f3d1e940 | 242 | \r |
bcd70414 | 243 | /**\r |
f713c4fe | 244 | write key to keyboard.\r |
f3d1e940 | 245 | \r |
bcd70414 | 246 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
247 | @param Data value wanted to be written\r | |
f3d1e940 | 248 | \r |
bcd70414 | 249 | @retval EFI_TIMEOUT - GC_TODO: Add description for return value\r |
250 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
f3d1e940 | 251 | \r |
bcd70414 | 252 | **/\r |
05fbd06d | 253 | EFI_STATUS\r |
254 | KeyboardRead (\r | |
255 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
256 | OUT UINT8 *Data\r | |
ed66e1bc | 257 | );\r |
05fbd06d | 258 | \r |
bcd70414 | 259 | /**\r |
c220787b | 260 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r |
05fbd06d | 261 | \r |
c220787b | 262 | The function is always called in TPL_NOTIFY.\r |
05fbd06d | 263 | \r |
c220787b | 264 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
05fbd06d | 265 | \r |
bcd70414 | 266 | **/\r |
c220787b | 267 | VOID\r |
05fbd06d | 268 | KeyGetchar (\r |
269 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 270 | );\r |
05fbd06d | 271 | \r |
7863d11c SZ |
272 | /**\r |
273 | Process key notify.\r | |
274 | \r | |
275 | @param Event Indicates the event that invoke this function.\r | |
276 | @param Context Indicates the calling context.\r | |
277 | **/\r | |
278 | VOID\r | |
279 | EFIAPI\r | |
280 | KeyNotifyProcessHandler (\r | |
281 | IN EFI_EVENT Event,\r | |
282 | IN VOID *Context\r | |
283 | );\r | |
284 | \r | |
bcd70414 | 285 | /**\r |
f713c4fe | 286 | Perform 8042 controller and keyboard Initialization.\r |
bcd70414 | 287 | If ExtendedVerification is TRUE, do additional test for\r |
288 | the keyboard interface\r | |
05fbd06d | 289 | \r |
bcd70414 | 290 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
291 | @param ExtendedVerification - indicates a thorough initialization\r | |
05fbd06d | 292 | \r |
bcd70414 | 293 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
294 | @retval EFI_SUCCESS Success to init keyboard\r | |
295 | **/\r | |
05fbd06d | 296 | EFI_STATUS\r |
297 | InitKeyboard (\r | |
298 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
299 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 300 | );\r |
05fbd06d | 301 | \r |
bcd70414 | 302 | /**\r |
f713c4fe | 303 | Disable the keyboard interface of the 8042 controller.\r |
05fbd06d | 304 | \r |
bcd70414 | 305 | @param ConsoleIn - the device instance\r |
05fbd06d | 306 | \r |
bcd70414 | 307 | @return status of issuing disable command\r |
05fbd06d | 308 | \r |
bcd70414 | 309 | **/\r |
05fbd06d | 310 | EFI_STATUS\r |
311 | DisableKeyboard (\r | |
312 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 313 | );\r |
05fbd06d | 314 | \r |
bcd70414 | 315 | /**\r |
316 | Timer event handler: read a series of scancodes from 8042\r | |
317 | and put them into memory scancode buffer.\r | |
318 | it read as much scancodes to either fill\r | |
319 | the memory buffer or empty the keyboard buffer.\r | |
320 | It is registered as running under TPL_NOTIFY\r | |
05fbd06d | 321 | \r |
bcd70414 | 322 | @param Event - The timer event\r |
323 | @param Context - A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
05fbd06d | 324 | \r |
bcd70414 | 325 | **/\r |
05fbd06d | 326 | VOID\r |
327 | EFIAPI\r | |
328 | KeyboardTimerHandler (\r | |
329 | IN EFI_EVENT Event,\r | |
330 | IN VOID *Context\r | |
ed66e1bc | 331 | );\r |
05fbd06d | 332 | \r |
bcd70414 | 333 | /**\r |
334 | logic reset keyboard\r | |
335 | Implement SIMPLE_TEXT_IN.Reset()\r | |
336 | Perform 8042 controller and keyboard initialization\r | |
05fbd06d | 337 | \r |
bcd70414 | 338 | @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r |
5829afe3 | 339 | @param ExtendedVerification Indicate that the driver may perform a more\r |
340 | exhaustive verification operation of the device during\r | |
341 | reset, now this par is ignored in this driver\r | |
05fbd06d | 342 | \r |
bcd70414 | 343 | **/\r |
05fbd06d | 344 | EFI_STATUS\r |
345 | EFIAPI\r | |
346 | KeyboardEfiReset (\r | |
347 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
348 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 349 | );\r |
05fbd06d | 350 | \r |
bcd70414 | 351 | /**\r |
352 | Implement SIMPLE_TEXT_IN.ReadKeyStroke().\r | |
353 | Retrieve key values for driver user.\r | |
05fbd06d | 354 | \r |
bcd70414 | 355 | @param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r |
5829afe3 | 356 | @param Key The output buffer for key value\r |
05fbd06d | 357 | \r |
bcd70414 | 358 | @retval EFI_SUCCESS success to read key stroke\r |
359 | **/\r | |
05fbd06d | 360 | EFI_STATUS\r |
361 | EFIAPI\r | |
362 | KeyboardReadKeyStroke (\r | |
363 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
364 | OUT EFI_INPUT_KEY *Key\r | |
ed66e1bc | 365 | );\r |
05fbd06d | 366 | \r |
bcd70414 | 367 | /**\r |
368 | Event notification function for SIMPLE_TEXT_IN.WaitForKey event\r | |
369 | Signal the event if there is key available\r | |
05fbd06d | 370 | \r |
bcd70414 | 371 | @param Event the event object\r |
372 | @param Context waitting context\r | |
05fbd06d | 373 | \r |
bcd70414 | 374 | **/\r |
05fbd06d | 375 | VOID\r |
376 | EFIAPI\r | |
377 | KeyboardWaitForKey (\r | |
378 | IN EFI_EVENT Event,\r | |
379 | IN VOID *Context\r | |
ed66e1bc | 380 | );\r |
05fbd06d | 381 | \r |
bcd70414 | 382 | /**\r |
f713c4fe | 383 | Read status register.\r |
05fbd06d | 384 | \r |
bcd70414 | 385 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
05fbd06d | 386 | \r |
bcd70414 | 387 | @return value in status register\r |
05fbd06d | 388 | \r |
bcd70414 | 389 | **/\r |
05fbd06d | 390 | UINT8\r |
391 | KeyReadStatusRegister (\r | |
392 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 393 | );\r |
05fbd06d | 394 | \r |
395 | /**\r | |
396 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
397 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
398 | should not be in system.\r | |
399 | \r | |
f713c4fe | 400 | @param[in] ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
05fbd06d | 401 | \r |
f3d1e940 | 402 | @retval TRUE Keyboard in System.\r |
403 | @retval FALSE Keyboard not in System.\r | |
05fbd06d | 404 | **/\r |
405 | BOOLEAN\r | |
406 | EFIAPI\r | |
407 | CheckKeyboardConnect (\r | |
408 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
ed66e1bc | 409 | );\r |
f3d1e940 | 410 | \r |
bcd70414 | 411 | /**\r |
412 | Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
413 | Signal the event if there is key available\r | |
414 | \r | |
415 | @param Event event object\r | |
416 | @param Context waiting context\r | |
417 | \r | |
418 | **/\r | |
f3d1e940 | 419 | VOID\r |
420 | EFIAPI\r | |
421 | KeyboardWaitForKeyEx (\r | |
422 | IN EFI_EVENT Event,\r | |
423 | IN VOID *Context\r | |
5829afe3 | 424 | );\r |
f3d1e940 | 425 | \r |
426 | //\r | |
427 | // Simple Text Input Ex protocol function prototypes\r | |
428 | //\r | |
429 | \r | |
bcd70414 | 430 | /**\r |
431 | Reset the input device and optionaly run diagnostics\r | |
432 | \r | |
433 | @param This - Protocol instance pointer.\r | |
434 | @param ExtendedVerification - Driver may perform diagnostics on reset.\r | |
435 | \r | |
436 | @retval EFI_SUCCESS - The device was reset.\r | |
5829afe3 | 437 | @retval EFI_DEVICE_ERROR - The device is not functioning properly and could\r |
bcd70414 | 438 | not be reset.\r |
439 | \r | |
440 | **/\r | |
f3d1e940 | 441 | EFI_STATUS\r |
442 | EFIAPI\r | |
443 | KeyboardEfiResetEx (\r | |
444 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
445 | IN BOOLEAN ExtendedVerification\r | |
ed66e1bc | 446 | );\r |
f3d1e940 | 447 | \r |
bcd70414 | 448 | /**\r |
5829afe3 | 449 | Reads the next keystroke from the input device. The WaitForKey Event can\r |
bcd70414 | 450 | be used to test for existance of a keystroke via WaitForEvent () call.\r |
f3d1e940 | 451 | \r |
f3d1e940 | 452 | \r |
bcd70414 | 453 | @param This - Protocol instance pointer.\r |
5829afe3 | 454 | @param KeyData - A pointer to a buffer that is filled in with the keystroke\r |
bcd70414 | 455 | state data for the key that was pressed.\r |
f3d1e940 | 456 | \r |
bcd70414 | 457 | @retval EFI_SUCCESS - The keystroke information was returned.\r |
458 | @retval EFI_NOT_READY - There was no keystroke data availiable.\r | |
5829afe3 | 459 | @retval EFI_DEVICE_ERROR - The keystroke information was not returned due to\r |
bcd70414 | 460 | hardware errors.\r |
5829afe3 | 461 | @retval EFI_INVALID_PARAMETER - KeyData is NULL.\r |
f3d1e940 | 462 | \r |
bcd70414 | 463 | **/\r |
f3d1e940 | 464 | EFI_STATUS\r |
465 | EFIAPI\r | |
466 | KeyboardReadKeyStrokeEx (\r | |
467 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
468 | OUT EFI_KEY_DATA *KeyData\r | |
ed66e1bc | 469 | );\r |
f3d1e940 | 470 | \r |
bcd70414 | 471 | /**\r |
472 | Set certain state for the input device.\r | |
f3d1e940 | 473 | \r |
bcd70414 | 474 | @param This - Protocol instance pointer.\r |
5829afe3 | 475 | @param KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the\r |
bcd70414 | 476 | state for the input device.\r |
f3d1e940 | 477 | \r |
bcd70414 | 478 | @retval EFI_SUCCESS - The device state was set successfully.\r |
5829afe3 | 479 | @retval EFI_DEVICE_ERROR - The device is not functioning correctly and could\r |
bcd70414 | 480 | not have the setting adjusted.\r |
481 | @retval EFI_UNSUPPORTED - The device does not have the ability to set its state.\r | |
5829afe3 | 482 | @retval EFI_INVALID_PARAMETER - KeyToggleState is NULL.\r |
f3d1e940 | 483 | \r |
bcd70414 | 484 | **/\r |
f3d1e940 | 485 | EFI_STATUS\r |
486 | EFIAPI\r | |
487 | KeyboardSetState (\r | |
488 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
489 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
ed66e1bc | 490 | );\r |
f3d1e940 | 491 | \r |
bcd70414 | 492 | /**\r |
493 | Register a notification function for a particular keystroke for the input device.\r | |
494 | \r | |
495 | @param This - Protocol instance pointer.\r | |
5829afe3 | 496 | @param KeyData - A pointer to a buffer that is filled in with the keystroke\r |
cc9a430c DB |
497 | information data for the key that was pressed. If KeyData.Key,\r |
498 | KeyData.KeyState.KeyToggleState and KeyData.KeyState.KeyShiftState\r | |
499 | are 0, then any incomplete keystroke will trigger a notification of\r | |
500 | the KeyNotificationFunction.\r | |
5829afe3 | 501 | @param KeyNotificationFunction - Points to the function to be called when the key\r |
cc9a430c DB |
502 | sequence is typed specified by KeyData. This notification function\r |
503 | should be called at <=TPL_CALLBACK.\r | |
5829afe3 | 504 | @param NotifyHandle - Points to the unique handle assigned to the registered notification.\r |
bcd70414 | 505 | \r |
506 | @retval EFI_SUCCESS - The notification function was registered successfully.\r | |
507 | @retval EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.\r | |
5829afe3 | 508 | @retval EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL.\r |
509 | \r | |
510 | **/\r | |
f3d1e940 | 511 | EFI_STATUS\r |
512 | EFIAPI\r | |
513 | KeyboardRegisterKeyNotify (\r | |
514 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
515 | IN EFI_KEY_DATA *KeyData,\r | |
516 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
402e4a9d | 517 | OUT VOID **NotifyHandle\r |
ed66e1bc | 518 | );\r |
f3d1e940 | 519 | \r |
bcd70414 | 520 | /**\r |
521 | Remove a registered notification function from a particular keystroke.\r | |
f3d1e940 | 522 | \r |
5829afe3 | 523 | @param This - Protocol instance pointer.\r |
bcd70414 | 524 | @param NotificationHandle - The handle of the notification function being unregistered.\r |
f3d1e940 | 525 | \r |
5829afe3 | 526 | \r |
bcd70414 | 527 | @retval EFI_SUCCESS - The notification function was unregistered successfully.\r |
528 | @retval EFI_INVALID_PARAMETER - The NotificationHandle is invalid.\r | |
5829afe3 | 529 | @retval EFI_NOT_FOUND - Can not find the matching entry in database.\r |
530 | \r | |
531 | **/\r | |
f3d1e940 | 532 | EFI_STATUS\r |
533 | EFIAPI\r | |
534 | KeyboardUnregisterKeyNotify (\r | |
535 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
402e4a9d | 536 | IN VOID *NotificationHandle\r |
ed66e1bc | 537 | );\r |
f3d1e940 | 538 | \r |
c220787b RN |
539 | /**\r |
540 | Push one key data to the EFI key buffer.\r | |
541 | \r | |
542 | @param Queue Pointer to instance of EFI_KEY_QUEUE.\r | |
543 | @param KeyData The key data to push.\r | |
544 | **/\r | |
545 | VOID\r | |
546 | PushEfikeyBufTail (\r | |
547 | IN EFI_KEY_QUEUE *Queue,\r | |
548 | IN EFI_KEY_DATA *KeyData\r | |
549 | );\r | |
550 | \r | |
551 | /**\r | |
552 | Judge whether is a registed key\r | |
553 | \r | |
5829afe3 | 554 | @param RegsiteredData A pointer to a buffer that is filled in with the keystroke\r |
c220787b | 555 | state data for the key that was registered.\r |
5829afe3 | 556 | @param InputData A pointer to a buffer that is filled in with the keystroke\r |
c220787b RN |
557 | state data for the key that was pressed.\r |
558 | \r | |
559 | @retval TRUE Key be pressed matches a registered key.\r | |
5829afe3 | 560 | @retval FLASE Match failed.\r |
561 | \r | |
c220787b RN |
562 | **/\r |
563 | BOOLEAN\r | |
564 | IsKeyRegistered (\r | |
565 | IN EFI_KEY_DATA *RegsiteredData,\r | |
566 | IN EFI_KEY_DATA *InputData\r | |
567 | );\r | |
5829afe3 | 568 | \r |
896ae6fc RN |
569 | /**\r |
570 | Initialize the key state.\r | |
571 | \r | |
572 | @param ConsoleIn The KEYBOARD_CONSOLE_IN_DEV instance.\r | |
573 | @param KeyState A pointer to receive the key state information.\r | |
574 | **/\r | |
575 | VOID\r | |
576 | InitializeKeyState (\r | |
577 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
578 | OUT EFI_KEY_STATE *KeyState\r | |
579 | );\r | |
580 | \r | |
05fbd06d | 581 | #endif\r |