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MdeModulePkg: Add Ps2KeyboardDxe driver. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
This commit is contained in:
Ruiyu Ni 2015-07-17 17:39:00 +08:00
parent 3dc5c1ae5c
commit 4aa68cbc97
11 changed files with 4282 additions and 0 deletions
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352
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/ComponentName.c Normal file
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/** @file
Routines related Component Name protocol.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Ps2Keyboard.h"
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName = {
Ps2KeyboardComponentNameGetDriverName,
Ps2KeyboardComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Ps2KeyboardComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Ps2KeyboardComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPs2KeyboardDriverNameTable[] = {
{
"eng;en",
L"PS/2 Keyboard Driver"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mPs2KeyboardDriverNameTable,
DriverName,
(BOOLEAN)(This == &gPs2KeyboardComponentName)
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Ps2KeyboardComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;
KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
//
// This is a device driver, so ChildHandle must be NULL.
//
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
//
// Check Controller's handle
//
Status = EfiTestManagedDevice (ControllerHandle, gKeyboardControllerDriver.DriverBindingHandle, &gEfiSioProtocolGuid);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the device context
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiSimpleTextInProtocolGuid,
(VOID **) &ConIn,
gKeyboardControllerDriver.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
ConsoleIn->ControllerNameTable,
ControllerName,
(BOOLEAN)(This == &gPs2KeyboardComponentName)
);
}

1872
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c Normal file
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683
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdTextIn.c Normal file
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@ -0,0 +1,683 @@
/** @file
Routines implements SIMPLE_TEXT_IN protocol's interfaces based on 8042 interfaces
provided by Ps2KbdCtrller.c.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Ps2Keyboard.h"
/**
Check whether the EFI key buffer is empty.
@param Queue Pointer to instance of EFI_KEY_QUEUE.
@retval TRUE The EFI key buffer is empty.
@retval FALSE The EFI key buffer isn't empty.
**/
BOOLEAN
IsEfikeyBufEmpty (
IN EFI_KEY_QUEUE *Queue
)
{
return (BOOLEAN) (Queue->Head == Queue->Tail);
}
/**
Read & remove one key data from the EFI key buffer.
@param Queue Pointer to instance of EFI_KEY_QUEUE.
@param KeyData Receive the key data.
@retval EFI_SUCCESS The key data is popped successfully.
@retval EFI_NOT_READY There is no key data available.
**/
EFI_STATUS
PopEfikeyBufHead (
IN EFI_KEY_QUEUE *Queue,
OUT EFI_KEY_DATA *KeyData OPTIONAL
)
{
if (IsEfikeyBufEmpty (Queue)) {
return EFI_NOT_READY;
}
//
// Retrieve and remove the values
//
if (KeyData != NULL) {
CopyMem (KeyData, &Queue->Buffer[Queue->Head], sizeof (EFI_KEY_DATA));
}
Queue->Head = (Queue->Head + 1) % KEYBOARD_EFI_KEY_MAX_COUNT;
return EFI_SUCCESS;
}
/**
Push one key data to the EFI key buffer.
@param Queue Pointer to instance of EFI_KEY_QUEUE.
@param KeyData The key data to push.
**/
VOID
PushEfikeyBufTail (
IN EFI_KEY_QUEUE *Queue,
IN EFI_KEY_DATA *KeyData
)
{
if ((Queue->Tail + 1) % KEYBOARD_EFI_KEY_MAX_COUNT == Queue->Head) {
//
// If Queue is full, pop the one from head.
//
PopEfikeyBufHead (Queue, NULL);
}
CopyMem (&Queue->Buffer[Queue->Tail], KeyData, sizeof (EFI_KEY_DATA));
Queue->Tail = (Queue->Tail + 1) % KEYBOARD_EFI_KEY_MAX_COUNT;
}
/**
Judge whether is a registed key
@param RegsiteredData A pointer to a buffer that is filled in with the keystroke
state data for the key that was registered.
@param InputData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval TRUE Key be pressed matches a registered key.
@retval FLASE Match failed.
**/
BOOLEAN
IsKeyRegistered (
IN EFI_KEY_DATA *RegsiteredData,
IN EFI_KEY_DATA *InputData
)
{
ASSERT (RegsiteredData != NULL && InputData != NULL);
if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||
(RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {
return FALSE;
}
//
// Assume KeyShiftState/KeyToggleState = 0 in Registered key data means these state could be ignored.
//
if (RegsiteredData->KeyState.KeyShiftState != 0 &&
RegsiteredData->KeyState.KeyShiftState != InputData->KeyState.KeyShiftState) {
return FALSE;
}
if (RegsiteredData->KeyState.KeyToggleState != 0 &&
RegsiteredData->KeyState.KeyToggleState != InputData->KeyState.KeyToggleState) {
return FALSE;
}
return TRUE;
}
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existance of a keystroke via WaitForEvent () call.
@param ConsoleInDev Ps2 Keyboard private structure
@param KeyData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data availiable.
@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
hardware errors.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
**/
EFI_STATUS
KeyboardReadKeyStrokeWorker (
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev,
OUT EFI_KEY_DATA *KeyData
)
{
EFI_STATUS Status;
EFI_TPL OldTpl;
if (KeyData == NULL) {
return EFI_INVALID_PARAMETER;
}
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
KeyboardTimerHandler (NULL, ConsoleInDev);
if (ConsoleInDev->KeyboardErr) {
Status = EFI_DEVICE_ERROR;
} else {
Status = PopEfikeyBufHead (&ConsoleInDev->EfiKeyQueue, KeyData);
}
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
Perform 8042 controller and keyboard initialization which implement SIMPLE_TEXT_IN.Reset()
@param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
@param ExtendedVerification Indicate that the driver may perform a more
exhaustive verification operation of the device during
reset, now this par is ignored in this driver
**/
EFI_STATUS
EFIAPI
KeyboardEfiReset (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
EFI_STATUS Status;
KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
EFI_TPL OldTpl;
ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
if (ConsoleIn->KeyboardErr) {
return EFI_DEVICE_ERROR;
}
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_RESET,
ConsoleIn->DevicePath
);
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
//
// Call InitKeyboard to initialize the keyboard
//
Status = InitKeyboard (ConsoleIn, ExtendedVerification);
if (EFI_ERROR (Status)) {
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
return EFI_DEVICE_ERROR;
}
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
//
// Report the status If a stuck key was detected
//
if (KeyReadStatusRegister (ConsoleIn) & 0x01) {
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_EC_STUCK_KEY,
ConsoleIn->DevicePath
);
}
//
// Report the status If keyboard is locked
//
if ((KeyReadStatusRegister (ConsoleIn) & 0x10) == 0) {
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_EC_LOCKED,
ConsoleIn->DevicePath
);
}
return EFI_SUCCESS;
}
/**
Retrieve key values for driver user which implement SIMPLE_TEXT_IN.ReadKeyStroke().
@param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
@param Key The output buffer for key value
@retval EFI_SUCCESS success to read key stroke
**/
EFI_STATUS
EFIAPI
KeyboardReadKeyStroke (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
OUT EFI_INPUT_KEY *Key
)
{
EFI_STATUS Status;
KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
EFI_KEY_DATA KeyData;
ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
//
// Considering if the partial keystroke is enabled, there maybe a partial
// keystroke in the queue, so here skip the partial keystroke and get the
// next key from the queue
//
while (1) {
//
// If there is no pending key, then return.
//
Status = KeyboardReadKeyStrokeWorker (ConsoleIn, &KeyData);
if (EFI_ERROR (Status)) {
return Status;
}
//
// If it is partial keystroke, skip it.
//
if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
continue;
}
//
// Translate the CTRL-Alpha characters to their corresponding control value
// (ctrl-a = 0x0001 through ctrl-Z = 0x001A)
//
if ((KeyData.KeyState.KeyShiftState & (EFI_LEFT_CONTROL_PRESSED | EFI_RIGHT_CONTROL_PRESSED)) != 0) {
if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {
KeyData.Key.UnicodeChar = (CHAR16) (KeyData.Key.UnicodeChar - L'a' + 1);
} else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {
KeyData.Key.UnicodeChar = (CHAR16) (KeyData.Key.UnicodeChar - L'A' + 1);
}
}
CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));
return EFI_SUCCESS;
}
}
/**
Event notification function for SIMPLE_TEXT_IN.WaitForKey event
Signal the event if there is key available
@param Event the event object
@param Context waitting context
**/
VOID
EFIAPI
KeyboardWaitForKey (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_TPL OldTpl;
KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
EFI_KEY_DATA KeyData;
ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
KeyboardTimerHandler (NULL, ConsoleIn);
if (!ConsoleIn->KeyboardErr) {
//
// WaitforKey doesn't suppor the partial key.
// Considering if the partial keystroke is enabled, there maybe a partial
// keystroke in the queue, so here skip the partial keystroke and get the
// next key from the queue
//
while (!IsEfikeyBufEmpty (&ConsoleIn->EfiKeyQueue)) {
CopyMem (
&KeyData,
&(ConsoleIn->EfiKeyQueue.Buffer[ConsoleIn->EfiKeyQueue.Head]),
sizeof (EFI_KEY_DATA)
);
if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {
PopEfikeyBufHead (&ConsoleIn->EfiKeyQueue, &KeyData);
continue;
}
//
// if there is pending value key, signal the event.
//
gBS->SignalEvent (Event);
break;
}
}
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
}
/**
Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
Signal the event if there is key available
@param Event event object
@param Context waiting context
**/
VOID
EFIAPI
KeyboardWaitForKeyEx (
IN EFI_EVENT Event,
IN VOID *Context
)
{
KeyboardWaitForKey (Event, Context);
}
/**
Reset the input device and optionaly run diagnostics
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
not be reset.
**/
EFI_STATUS
EFIAPI
KeyboardEfiResetEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
return ConsoleInDev->ConIn.Reset (
&ConsoleInDev->ConIn,
ExtendedVerification
);
}
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existance of a keystroke via WaitForEvent () call.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data availiable.
@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
hardware errors.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
**/
EFI_STATUS
EFIAPI
KeyboardReadKeyStrokeEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
OUT EFI_KEY_DATA *KeyData
)
{
KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
if (KeyData == NULL) {
return EFI_INVALID_PARAMETER;
}
ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
return KeyboardReadKeyStrokeWorker (ConsoleInDev, KeyData);
}
/**
Set certain state for the input device.
@param This Protocol instance pointer.
@param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the
state for the input device.
@retval EFI_SUCCESS The device state was set successfully.
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could
not have the setting adjusted.
@retval EFI_UNSUPPORTED The device does not have the ability to set its state.
@retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
**/
EFI_STATUS
EFIAPI
KeyboardSetState (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_TOGGLE_STATE *KeyToggleState
)
{
EFI_STATUS Status;
KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
EFI_TPL OldTpl;
if (KeyToggleState == NULL) {
return EFI_INVALID_PARAMETER;
}
ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
if (ConsoleInDev->KeyboardErr) {
Status = EFI_DEVICE_ERROR;
goto Exit;
}
if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) {
Status = EFI_UNSUPPORTED;
goto Exit;
}
//
// Update the status light
//
ConsoleInDev->ScrollLock = FALSE;
ConsoleInDev->NumLock = FALSE;
ConsoleInDev->CapsLock = FALSE;
ConsoleInDev->IsSupportPartialKey = FALSE;
if ((*KeyToggleState & EFI_SCROLL_LOCK_ACTIVE) == EFI_SCROLL_LOCK_ACTIVE) {
ConsoleInDev->ScrollLock = TRUE;
}
if ((*KeyToggleState & EFI_NUM_LOCK_ACTIVE) == EFI_NUM_LOCK_ACTIVE) {
ConsoleInDev->NumLock = TRUE;
}
if ((*KeyToggleState & EFI_CAPS_LOCK_ACTIVE) == EFI_CAPS_LOCK_ACTIVE) {
ConsoleInDev->CapsLock = TRUE;
}
if ((*KeyToggleState & EFI_KEY_STATE_EXPOSED) == EFI_KEY_STATE_EXPOSED) {
ConsoleInDev->IsSupportPartialKey = TRUE;
}
Status = UpdateStatusLights (ConsoleInDev);
if (EFI_ERROR (Status)) {
Status = EFI_DEVICE_ERROR;
}
Exit:
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
Register a notification function for a particular keystroke for the input device.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the keystroke
information data for the key that was pressed.
@param KeyNotificationFunction Points to the function to be called when the key
sequence is typed specified by KeyData.
@param NotifyHandle Points to the unique handle assigned to the registered notification.
@retval EFI_SUCCESS The notification function was registered successfully.
@retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data structures.
@retval EFI_INVALID_PARAMETER KeyData or NotifyHandle or KeyNotificationFunction is NULL.
**/
EFI_STATUS
EFIAPI
KeyboardRegisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_DATA *KeyData,
IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
OUT VOID **NotifyHandle
)
{
EFI_STATUS Status;
KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
EFI_TPL OldTpl;
LIST_ENTRY *Link;
KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
KEYBOARD_CONSOLE_IN_EX_NOTIFY *NewNotify;
if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {
return EFI_INVALID_PARAMETER;
}
ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
//
// Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.
//
for (Link = ConsoleInDev->NotifyList.ForwardLink; Link != &ConsoleInDev->NotifyList; Link = Link->ForwardLink) {
CurrentNotify = CR (
Link,
KEYBOARD_CONSOLE_IN_EX_NOTIFY,
NotifyEntry,
KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
);
if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {
*NotifyHandle = CurrentNotify;
Status = EFI_SUCCESS;
goto Exit;
}
}
}
//
// Allocate resource to save the notification function
//
NewNotify = (KEYBOARD_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_EX_NOTIFY));
if (NewNotify == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Exit;
}
NewNotify->Signature = KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE;
NewNotify->KeyNotificationFn = KeyNotificationFunction;
CopyMem (&NewNotify->KeyData, KeyData, sizeof (EFI_KEY_DATA));
InsertTailList (&ConsoleInDev->NotifyList, &NewNotify->NotifyEntry);
*NotifyHandle = NewNotify;
Status = EFI_SUCCESS;
Exit:
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
Remove a registered notification function from a particular keystroke.
@param This Protocol instance pointer.
@param NotificationHandle The handle of the notification function being unregistered.
@retval EFI_SUCCESS The notification function was unregistered successfully.
@retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.
**/
EFI_STATUS
EFIAPI
KeyboardUnregisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN VOID *NotificationHandle
)
{
EFI_STATUS Status;
KEYBOARD_CONSOLE_IN_DEV *ConsoleInDev;
EFI_TPL OldTpl;
LIST_ENTRY *Link;
KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
if (NotificationHandle == NULL) {
return EFI_INVALID_PARAMETER;
}
ConsoleInDev = TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (This);
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
for (Link = ConsoleInDev->NotifyList.ForwardLink; Link != &ConsoleInDev->NotifyList; Link = Link->ForwardLink) {
CurrentNotify = CR (
Link,
KEYBOARD_CONSOLE_IN_EX_NOTIFY,
NotifyEntry,
KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
);
if (CurrentNotify == NotificationHandle) {
//
// Remove the notification function from NotifyList and free resources
//
RemoveEntryList (&CurrentNotify->NotifyEntry);
gBS->FreePool (CurrentNotify);
Status = EFI_SUCCESS;
goto Exit;
}
}
//
// Can not find the specified Notification Handle
//
Status = EFI_INVALID_PARAMETER;
Exit:
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
return Status;
}

647
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c Normal file
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@ -0,0 +1,647 @@
/** @file
PS/2 Keyboard driver. Routines that interacts with callers,
conforming to EFI driver model
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Ps2Keyboard.h"
//
// Function prototypes
//
/**
Test controller is a keyboard Controller.
@param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
@param Controller driver's controller
@param RemainingDevicePath children device path
@retval EFI_UNSUPPORTED controller is not floppy disk
@retval EFI_SUCCESS controller is floppy disk
**/
EFI_STATUS
EFIAPI
KbdControllerDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Create KEYBOARD_CONSOLE_IN_DEV instance on controller.
@param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
@param Controller driver controller handle
@param RemainingDevicePath Children's device path
@retval whether success to create floppy control instance.
**/
EFI_STATUS
EFIAPI
KbdControllerDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop this driver on ControllerHandle. Support stoping any child handles
created by this driver.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
EFI_STATUS
EFIAPI
KbdControllerDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
/**
Free the waiting key notify list.
@param ListHead Pointer to list head
@retval EFI_INVALID_PARAMETER ListHead is NULL
@retval EFI_SUCCESS Sucess to free NotifyList
**/
EFI_STATUS
KbdFreeNotifyList (
IN OUT LIST_ENTRY *ListHead
);
//
// DriverBinding Protocol Instance
//
EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver = {
KbdControllerDriverSupported,
KbdControllerDriverStart,
KbdControllerDriverStop,
0xa,
NULL,
NULL
};
/**
Test controller is a keyboard Controller.
@param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
@param Controller driver's controller
@param RemainingDevicePath children device path
@retval EFI_UNSUPPORTED controller is not floppy disk
@retval EFI_SUCCESS controller is floppy disk
**/
EFI_STATUS
EFIAPI
KbdControllerDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_SIO_PROTOCOL *Sio;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
ACPI_HID_DEVICE_PATH *Acpi;
//
// Check whether the controller is keyboard.
//
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
do {
Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;
DevicePath = NextDevicePathNode (DevicePath);
} while (!IsDevicePathEnd (DevicePath));
if (DevicePathType (Acpi) != ACPI_DEVICE_PATH ||
(DevicePathSubType (Acpi) != ACPI_DP && DevicePathSubType (Acpi) != ACPI_EXTENDED_DP)) {
return EFI_UNSUPPORTED;
}
if (Acpi->HID != EISA_PNP_ID (0x303) || Acpi->UID != 0) {
return EFI_UNSUPPORTED;
}
//
// Open the IO Abstraction(s) needed to perform the supported test
//
Status = gBS->OpenProtocol (
Controller,
&gEfiSioProtocolGuid,
(VOID **) &Sio,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Close the I/O Abstraction(s) used to perform the supported test
//
gBS->CloseProtocol (
Controller,
&gEfiSioProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
/**
Create KEYBOARD_CONSOLE_IN_DEV instance on controller.
@param This Pointer of EFI_DRIVER_BINDING_PROTOCOL
@param Controller driver controller handle
@param RemainingDevicePath Children's device path
@retval whether success to create floppy control instance.
**/
EFI_STATUS
EFIAPI
KbdControllerDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_STATUS Status1;
EFI_SIO_PROTOCOL *Sio;
KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
UINT8 Data;
EFI_STATUS_CODE_VALUE StatusCode;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
StatusCode = 0;
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Report that the keyboard is being enabled
//
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_ENABLE,
DevicePath
);
//
// Get the ISA I/O Protocol on Controller's handle
//
Status = gBS->OpenProtocol (
Controller,
&gEfiSioProtocolGuid,
(VOID **) &Sio,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Allocate private data
//
ConsoleIn = AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_DEV));
if (ConsoleIn == NULL) {
Status = EFI_OUT_OF_RESOURCES;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
goto ErrorExit;
}
//
// Setup the device instance
//
ConsoleIn->Signature = KEYBOARD_CONSOLE_IN_DEV_SIGNATURE;
ConsoleIn->Handle = Controller;
(ConsoleIn->ConIn).Reset = KeyboardEfiReset;
(ConsoleIn->ConIn).ReadKeyStroke = KeyboardReadKeyStroke;
ConsoleIn->DataRegisterAddress = KEYBOARD_8042_DATA_REGISTER;
ConsoleIn->StatusRegisterAddress = KEYBOARD_8042_STATUS_REGISTER;
ConsoleIn->CommandRegisterAddress = KEYBOARD_8042_COMMAND_REGISTER;
ConsoleIn->DevicePath = DevicePath;
ConsoleIn->ConInEx.Reset = KeyboardEfiResetEx;
ConsoleIn->ConInEx.ReadKeyStrokeEx = KeyboardReadKeyStrokeEx;
ConsoleIn->ConInEx.SetState = KeyboardSetState;
ConsoleIn->ConInEx.RegisterKeyNotify = KeyboardRegisterKeyNotify;
ConsoleIn->ConInEx.UnregisterKeyNotify = KeyboardUnregisterKeyNotify;
InitializeListHead (&ConsoleIn->NotifyList);
//
// Fix for random hangs in System waiting for the Key if no KBC is present in BIOS.
// When KBC decode (IO port 0x60/0x64 decode) is not enabled,
// KeyboardRead will read back as 0xFF and return status is EFI_SUCCESS.
// So instead we read status register to detect after read if KBC decode is enabled.
//
//
// Return code is ignored on purpose.
//
if (!PcdGetBool (PcdFastPS2Detection)) {
KeyboardRead (ConsoleIn, &Data);
if ((KeyReadStatusRegister (ConsoleIn) & (KBC_PARE | KBC_TIM)) == (KBC_PARE | KBC_TIM)) {
//
// If nobody decodes KBC I/O port, it will read back as 0xFF.
// Check the Time-Out and Parity bit to see if it has an active KBC in system
//
Status = EFI_DEVICE_ERROR;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;
goto ErrorExit;
}
}
//
// Setup the WaitForKey event
//
Status = gBS->CreateEvent (
EVT_NOTIFY_WAIT,
TPL_NOTIFY,
KeyboardWaitForKey,
ConsoleIn,
&((ConsoleIn->ConIn).WaitForKey)
);
if (EFI_ERROR (Status)) {
Status = EFI_OUT_OF_RESOURCES;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
goto ErrorExit;
}
//
// Setup the WaitForKeyEx event
//
Status = gBS->CreateEvent (
EVT_NOTIFY_WAIT,
TPL_NOTIFY,
KeyboardWaitForKeyEx,
ConsoleIn,
&(ConsoleIn->ConInEx.WaitForKeyEx)
);
if (EFI_ERROR (Status)) {
Status = EFI_OUT_OF_RESOURCES;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
goto ErrorExit;
}
// Setup a periodic timer, used for reading keystrokes at a fixed interval
//
Status = gBS->CreateEvent (
EVT_TIMER | EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
KeyboardTimerHandler,
ConsoleIn,
&ConsoleIn->TimerEvent
);
if (EFI_ERROR (Status)) {
Status = EFI_OUT_OF_RESOURCES;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
goto ErrorExit;
}
Status = gBS->SetTimer (
ConsoleIn->TimerEvent,
TimerPeriodic,
KEYBOARD_TIMER_INTERVAL
);
if (EFI_ERROR (Status)) {
Status = EFI_OUT_OF_RESOURCES;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
goto ErrorExit;
}
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_PRESENCE_DETECT,
DevicePath
);
//
// Reset the keyboard device
//
Status = ConsoleIn->ConInEx.Reset (&ConsoleIn->ConInEx, FeaturePcdGet (PcdPs2KbdExtendedVerification));
if (EFI_ERROR (Status)) {
Status = EFI_DEVICE_ERROR;
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;
goto ErrorExit;
}
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DETECTED,
DevicePath
);
ConsoleIn->ControllerNameTable = NULL;
AddUnicodeString2 (
"eng",
gPs2KeyboardComponentName.SupportedLanguages,
&ConsoleIn->ControllerNameTable,
L"PS/2 Keyboard Device",
TRUE
);
AddUnicodeString2 (
"en",
gPs2KeyboardComponentName2.SupportedLanguages,
&ConsoleIn->ControllerNameTable,
L"PS/2 Keyboard Device",
FALSE
);
//
// Install protocol interfaces for the keyboard device.
//
Status = gBS->InstallMultipleProtocolInterfaces (
&Controller,
&gEfiSimpleTextInProtocolGuid,
&ConsoleIn->ConIn,
&gEfiSimpleTextInputExProtocolGuid,
&ConsoleIn->ConInEx,
NULL
);
if (EFI_ERROR (Status)) {
StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
goto ErrorExit;
}
return Status;
ErrorExit:
//
// Report error code
//
if (StatusCode != 0) {
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
StatusCode,
DevicePath
);
}
if ((ConsoleIn != NULL) && (ConsoleIn->ConIn.WaitForKey != NULL)) {
gBS->CloseEvent (ConsoleIn->ConIn.WaitForKey);
}
if ((ConsoleIn != NULL) && (ConsoleIn->TimerEvent != NULL)) {
gBS->CloseEvent (ConsoleIn->TimerEvent);
}
if ((ConsoleIn != NULL) && (ConsoleIn->ConInEx.WaitForKeyEx != NULL)) {
gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);
}
KbdFreeNotifyList (&ConsoleIn->NotifyList);
if ((ConsoleIn != NULL) && (ConsoleIn->ControllerNameTable != NULL)) {
FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);
}
//
// Since there will be no timer handler for keyboard input any more,
// exhaust input data just in case there is still keyboard data left
//
if (ConsoleIn != NULL) {
Status1 = EFI_SUCCESS;
while (!EFI_ERROR (Status1) && (Status != EFI_DEVICE_ERROR)) {
Status1 = KeyboardRead (ConsoleIn, &Data);;
}
}
if (ConsoleIn != NULL) {
gBS->FreePool (ConsoleIn);
}
gBS->CloseProtocol (
Controller,
&gEfiSioProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
/**
Stop this driver on ControllerHandle. Support stoping any child handles
created by this driver.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
EFI_STATUS
EFIAPI
KbdControllerDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_STATUS Status;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;
KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
UINT8 Data;
//
// Disable Keyboard
//
Status = gBS->OpenProtocol (
Controller,
&gEfiSimpleTextInProtocolGuid,
(VOID **) &ConIn,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->OpenProtocol (
Controller,
&gEfiSimpleTextInputExProtocolGuid,
NULL,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
//
// Report that the keyboard is being disabled
//
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DISABLE,
ConsoleIn->DevicePath
);
if (ConsoleIn->TimerEvent != NULL) {
gBS->CloseEvent (ConsoleIn->TimerEvent);
ConsoleIn->TimerEvent = NULL;
}
//
// Since there will be no timer handler for keyboard input any more,
// exhaust input data just in case there is still keyboard data left
//
Status = EFI_SUCCESS;
while (!EFI_ERROR (Status)) {
Status = KeyboardRead (ConsoleIn, &Data);;
}
//
// Uninstall the SimpleTextIn and SimpleTextInEx protocols
//
Status = gBS->UninstallMultipleProtocolInterfaces (
Controller,
&gEfiSimpleTextInProtocolGuid,
&ConsoleIn->ConIn,
&gEfiSimpleTextInputExProtocolGuid,
&ConsoleIn->ConInEx,
NULL
);
if (EFI_ERROR (Status)) {
return Status;
}
gBS->CloseProtocol (
Controller,
&gEfiSioProtocolGuid,
This->DriverBindingHandle,
Controller
);
//
// Free other resources
//
if ((ConsoleIn->ConIn).WaitForKey != NULL) {
gBS->CloseEvent ((ConsoleIn->ConIn).WaitForKey);
(ConsoleIn->ConIn).WaitForKey = NULL;
}
if (ConsoleIn->ConInEx.WaitForKeyEx != NULL) {
gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);
ConsoleIn->ConInEx.WaitForKeyEx = NULL;
}
KbdFreeNotifyList (&ConsoleIn->NotifyList);
FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);
gBS->FreePool (ConsoleIn);
return EFI_SUCCESS;
}
/**
Free the waiting key notify list.
@param ListHead Pointer to list head
@retval EFI_INVALID_PARAMETER ListHead is NULL
@retval EFI_SUCCESS Sucess to free NotifyList
**/
EFI_STATUS
KbdFreeNotifyList (
IN OUT LIST_ENTRY *ListHead
)
{
KEYBOARD_CONSOLE_IN_EX_NOTIFY *NotifyNode;
if (ListHead == NULL) {
return EFI_INVALID_PARAMETER;
}
while (!IsListEmpty (ListHead)) {
NotifyNode = CR (
ListHead->ForwardLink,
KEYBOARD_CONSOLE_IN_EX_NOTIFY,
NotifyEntry,
KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE
);
RemoveEntryList (ListHead->ForwardLink);
gBS->FreePool (NotifyNode);
}
return EFI_SUCCESS;
}
/**
The module Entry Point for module Ps2Keyboard.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
InitializePs2Keyboard(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Install driver model protocol(s).
//
Status = EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gKeyboardControllerDriver,
ImageHandle,
&gPs2KeyboardComponentName,
&gPs2KeyboardComponentName2
);
ASSERT_EFI_ERROR (Status);
return Status;
}

551
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h Normal file
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@ -0,0 +1,551 @@
/** @file
PS/2 keyboard driver header file
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _PS2KEYBOARD_H_
#define _PS2KEYBOARD_H_
#include <Uefi.h>
#include <Protocol/SuperIo.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/SimpleTextInEx.h>
#include <Protocol/DevicePath.h>
#include <Protocol/Ps2Policy.h>
#include <Library/IoLib.h>
#include <Library/DevicePathLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver;
extern EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2;
//
// Driver Private Data
//
#define KEYBOARD_CONSOLE_IN_DEV_SIGNATURE SIGNATURE_32 ('k', 'k', 'e', 'y')
#define KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('k', 'c', 'e', 'n')
typedef struct _KEYBOARD_CONSOLE_IN_EX_NOTIFY {
UINTN Signature;
EFI_KEY_DATA KeyData;
EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;
LIST_ENTRY NotifyEntry;
} KEYBOARD_CONSOLE_IN_EX_NOTIFY;
#define KEYBOARD_SCAN_CODE_MAX_COUNT 32
typedef struct {
UINT8 Buffer[KEYBOARD_SCAN_CODE_MAX_COUNT];
UINTN Head;
UINTN Tail;
} SCAN_CODE_QUEUE;
#define KEYBOARD_EFI_KEY_MAX_COUNT 256
typedef struct {
EFI_KEY_DATA Buffer[KEYBOARD_EFI_KEY_MAX_COUNT];
UINTN Head;
UINTN Tail;
} EFI_KEY_QUEUE;
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL ConIn;
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL ConInEx;
EFI_EVENT TimerEvent;
UINT32 DataRegisterAddress;
UINT32 StatusRegisterAddress;
UINT32 CommandRegisterAddress;
BOOLEAN LeftCtrl;
BOOLEAN RightCtrl;
BOOLEAN LeftAlt;
BOOLEAN RightAlt;
BOOLEAN LeftShift;
BOOLEAN RightShift;
BOOLEAN LeftLogo;
BOOLEAN RightLogo;
BOOLEAN Menu;
BOOLEAN SysReq;
BOOLEAN CapsLock;
BOOLEAN NumLock;
BOOLEAN ScrollLock;
BOOLEAN IsSupportPartialKey;
//
// Queue storing key scancodes
//
SCAN_CODE_QUEUE ScancodeQueue;
EFI_KEY_QUEUE EfiKeyQueue;
//
// Error state
//
BOOLEAN KeyboardErr;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// Notification Function List
//
LIST_ENTRY NotifyList;
} KEYBOARD_CONSOLE_IN_DEV;
#define KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) CR (a, KEYBOARD_CONSOLE_IN_DEV, ConIn, KEYBOARD_CONSOLE_IN_DEV_SIGNATURE)
#define TEXT_INPUT_EX_KEYBOARD_CONSOLE_IN_DEV_FROM_THIS(a) \
CR (a, \
KEYBOARD_CONSOLE_IN_DEV, \
ConInEx, \
KEYBOARD_CONSOLE_IN_DEV_SIGNATURE \
)
#define TABLE_END 0x0
//
// Driver entry point
//
/**
The user Entry Point for module Ps2Keyboard. The user code starts with this function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
InstallPs2KeyboardDriver (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
#define KEYBOARD_8042_DATA_REGISTER 0x60
#define KEYBOARD_8042_STATUS_REGISTER 0x64
#define KEYBOARD_8042_COMMAND_REGISTER 0x64
#define KEYBOARD_KBEN 0xF4
#define KEYBOARD_CMDECHO_ACK 0xFA
#define KEYBOARD_MAX_TRY 256 // 256
#define KEYBOARD_TIMEOUT 65536 // 0.07s
#define KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
#define KEYBOARD_BAT_TIMEOUT 4000000 // 4s
#define KEYBOARD_TIMER_INTERVAL 200000 // 0.02s
#define SCANCODE_EXTENDED0 0xE0
#define SCANCODE_EXTENDED1 0xE1
#define SCANCODE_CTRL_MAKE 0x1D
#define SCANCODE_CTRL_BREAK 0x9D
#define SCANCODE_ALT_MAKE 0x38
#define SCANCODE_ALT_BREAK 0xB8
#define SCANCODE_LEFT_SHIFT_MAKE 0x2A
#define SCANCODE_LEFT_SHIFT_BREAK 0xAA
#define SCANCODE_RIGHT_SHIFT_MAKE 0x36
#define SCANCODE_RIGHT_SHIFT_BREAK 0xB6
#define SCANCODE_CAPS_LOCK_MAKE 0x3A
#define SCANCODE_NUM_LOCK_MAKE 0x45
#define SCANCODE_SCROLL_LOCK_MAKE 0x46
#define SCANCODE_DELETE_MAKE 0x53
#define SCANCODE_LEFT_LOGO_MAKE 0x5B //GUI key defined in Keyboard scan code
#define SCANCODE_LEFT_LOGO_BREAK 0xDB
#define SCANCODE_RIGHT_LOGO_MAKE 0x5C
#define SCANCODE_RIGHT_LOGO_BREAK 0xDC
#define SCANCODE_MENU_MAKE 0x5D //APPS key defined in Keyboard scan code
#define SCANCODE_MENU_BREAK 0xDD
#define SCANCODE_SYS_REQ_MAKE 0x37
#define SCANCODE_SYS_REQ_BREAK 0xB7
#define SCANCODE_SYS_REQ_MAKE_WITH_ALT 0x54
#define SCANCODE_SYS_REQ_BREAK_WITH_ALT 0xD4
#define SCANCODE_MAX_MAKE 0x60
#define KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA BIT0 ///< 0 - Output register has no data; 1 - Output register has data
#define KEYBOARD_STATUS_REGISTER_HAS_INPUT_DATA BIT1 ///< 0 - Input register has no data; 1 - Input register has data
#define KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG BIT2 ///< Set to 0 after power on reset
#define KEYBOARD_STATUS_REGISTER_INPUT_DATA_TYPE BIT3 ///< 0 - Data in input register is data; 1 - Data in input register is command
#define KEYBOARD_STATUS_REGISTER_ENABLE_FLAG BIT4 ///< 0 - Keyboard is disable; 1 - Keyboard is enable
#define KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT BIT5 ///< 0 - Transmit is complete without timeout; 1 - Transmit is timeout without complete
#define KEYBOARD_STATUS_REGISTER_RECEIVE_TIMEOUT BIT6 ///< 0 - Receive is complete without timeout; 1 - Receive is timeout without complete
#define KEYBOARD_STATUS_REGISTER_PARITY BIT7 ///< 0 - Odd parity; 1 - Even parity
#define KEYBOARD_8042_COMMAND_READ 0x20
#define KEYBOARD_8042_COMMAND_WRITE 0x60
#define KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE 0xA7
#define KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE 0xA8
#define KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST 0xAA
#define KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST 0xAB
#define KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE 0xAD
#define KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA 0xF4
#define KEYBOARD_8048_COMMAND_RESET 0xFF
#define KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET 0xF0
#define KEYBOARD_8048_RETURN_8042_BAT_SUCCESS 0xAA
#define KEYBOARD_8048_RETURN_8042_BAT_ERROR 0xFC
#define KEYBOARD_8048_RETURN_8042_ACK 0xFA
//
// Keyboard Controller Status
//
#define KBC_PARE 0x80 // Parity Error
#define KBC_TIM 0x40 // General Time Out
//
// Other functions that are used among .c files
//
/**
Show keyboard status lights according to
indicators in ConsoleIn.
@param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
@return status
**/
EFI_STATUS
UpdateStatusLights (
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
);
/**
write key to keyboard.
@param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
@param Data value wanted to be written
@retval EFI_TIMEOUT - GC_TODO: Add description for return value
@retval EFI_SUCCESS - GC_TODO: Add description for return value
**/
EFI_STATUS
KeyboardRead (
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
OUT UINT8 *Data
);
/**
Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.
The function is always called in TPL_NOTIFY.
@param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer
**/
VOID
KeyGetchar (
IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
);
/**
Perform 8042 controller and keyboard Initialization.
If ExtendedVerification is TRUE, do additional test for
the keyboard interface
@param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer
@param ExtendedVerification - indicates a thorough initialization
@retval EFI_DEVICE_ERROR Fail to init keyboard
@retval EFI_SUCCESS Success to init keyboard
**/
EFI_STATUS
InitKeyboard (
IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,
IN BOOLEAN ExtendedVerification
);
/**
Disable the keyboard interface of the 8042 controller.
@param ConsoleIn - the device instance
@return status of issuing disable command
**/
EFI_STATUS
DisableKeyboard (
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
);
/**
Timer event handler: read a series of scancodes from 8042
and put them into memory scancode buffer.
it read as much scancodes to either fill
the memory buffer or empty the keyboard buffer.
It is registered as running under TPL_NOTIFY
@param Event - The timer event
@param Context - A KEYBOARD_CONSOLE_IN_DEV pointer
**/
VOID
EFIAPI
KeyboardTimerHandler (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
logic reset keyboard
Implement SIMPLE_TEXT_IN.Reset()
Perform 8042 controller and keyboard initialization
@param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
@param ExtendedVerification Indicate that the driver may perform a more
exhaustive verification operation of the device during
reset, now this par is ignored in this driver
**/
EFI_STATUS
EFIAPI
KeyboardEfiReset (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Implement SIMPLE_TEXT_IN.ReadKeyStroke().
Retrieve key values for driver user.
@param This Pointer to instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL
@param Key The output buffer for key value
@retval EFI_SUCCESS success to read key stroke
**/
EFI_STATUS
EFIAPI
KeyboardReadKeyStroke (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
OUT EFI_INPUT_KEY *Key
);
/**
Event notification function for SIMPLE_TEXT_IN.WaitForKey event
Signal the event if there is key available
@param Event the event object
@param Context waitting context
**/
VOID
EFIAPI
KeyboardWaitForKey (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Read status register.
@param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
@return value in status register
**/
UINT8
KeyReadStatusRegister (
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
);
/**
Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command
If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device
should not be in system.
@param[in] ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV
@retval TRUE Keyboard in System.
@retval FALSE Keyboard not in System.
**/
BOOLEAN
EFIAPI
CheckKeyboardConnect (
IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn
);
/**
Event notification function for SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
Signal the event if there is key available
@param Event event object
@param Context waiting context
**/
VOID
EFIAPI
KeyboardWaitForKeyEx (
IN EFI_EVENT Event,
IN VOID *Context
);
//
// Simple Text Input Ex protocol function prototypes
//
/**
Reset the input device and optionaly run diagnostics
@param This - Protocol instance pointer.
@param ExtendedVerification - Driver may perform diagnostics on reset.
@retval EFI_SUCCESS - The device was reset.
@retval EFI_DEVICE_ERROR - The device is not functioning properly and could
not be reset.
**/
EFI_STATUS
EFIAPI
KeyboardEfiResetEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existance of a keystroke via WaitForEvent () call.
@param This - Protocol instance pointer.
@param KeyData - A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval EFI_SUCCESS - The keystroke information was returned.
@retval EFI_NOT_READY - There was no keystroke data availiable.
@retval EFI_DEVICE_ERROR - The keystroke information was not returned due to
hardware errors.
@retval EFI_INVALID_PARAMETER - KeyData is NULL.
**/
EFI_STATUS
EFIAPI
KeyboardReadKeyStrokeEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
OUT EFI_KEY_DATA *KeyData
);
/**
Set certain state for the input device.
@param This - Protocol instance pointer.
@param KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the
state for the input device.
@retval EFI_SUCCESS - The device state was set successfully.
@retval EFI_DEVICE_ERROR - The device is not functioning correctly and could
not have the setting adjusted.
@retval EFI_UNSUPPORTED - The device does not have the ability to set its state.
@retval EFI_INVALID_PARAMETER - KeyToggleState is NULL.
**/
EFI_STATUS
EFIAPI
KeyboardSetState (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_TOGGLE_STATE *KeyToggleState
);
/**
Register a notification function for a particular keystroke for the input device.
@param This - Protocol instance pointer.
@param KeyData - A pointer to a buffer that is filled in with the keystroke
information data for the key that was pressed.
@param KeyNotificationFunction - Points to the function to be called when the key
sequence is typed specified by KeyData.
@param NotifyHandle - Points to the unique handle assigned to the registered notification.
@retval EFI_SUCCESS - The notification function was registered successfully.
@retval EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.
@retval EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL.
**/
EFI_STATUS
EFIAPI
KeyboardRegisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_DATA *KeyData,
IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
OUT VOID **NotifyHandle
);
/**
Remove a registered notification function from a particular keystroke.
@param This - Protocol instance pointer.
@param NotificationHandle - The handle of the notification function being unregistered.
@retval EFI_SUCCESS - The notification function was unregistered successfully.
@retval EFI_INVALID_PARAMETER - The NotificationHandle is invalid.
@retval EFI_NOT_FOUND - Can not find the matching entry in database.
**/
EFI_STATUS
EFIAPI
KeyboardUnregisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN VOID *NotificationHandle
);
/**
Push one key data to the EFI key buffer.
@param Queue Pointer to instance of EFI_KEY_QUEUE.
@param KeyData The key data to push.
**/
VOID
PushEfikeyBufTail (
IN EFI_KEY_QUEUE *Queue,
IN EFI_KEY_DATA *KeyData
);
/**
Judge whether is a registed key
@param RegsiteredData A pointer to a buffer that is filled in with the keystroke
state data for the key that was registered.
@param InputData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@retval TRUE Key be pressed matches a registered key.
@retval FLASE Match failed.
**/
BOOLEAN
IsKeyRegistered (
IN EFI_KEY_DATA *RegsiteredData,
IN EFI_KEY_DATA *InputData
);
#endif

84
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf Normal file
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@ -0,0 +1,84 @@
## @file
# Ps2 Keyboard Driver.
#
# Ps2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM
# compatible PS2 protocol using Scan Code Set 1.
#
# Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = Ps2KeyboardDxe
MODULE_UNI_FILE = Ps2KeyboardDxe.uni
FILE_GUID = 3DC82376-637B-40a6-A8FC-A565417F2C38
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = InitializePs2Keyboard
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
# DRIVER_BINDING = gKeyboardControllerDriver;
# COMPONENT_NAME = gPs2KeyboardComponentName;
# COMPONENT_NAME2 = gPs2KeyboardComponentName2;
#
[Sources]
ComponentName.c
Ps2Keyboard.h
Ps2KbdCtrller.c
Ps2KbdTextIn.c
Ps2Keyboard.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
[LibraryClasses]
MemoryAllocationLib
UefiRuntimeServicesTableLib
DebugLib
ReportStatusCodeLib
UefiBootServicesTableLib
UefiLib
UefiDriverEntryPoint
BaseLib
BaseMemoryLib
TimerLib
PcdLib
IoLib
[Protocols]
gEfiSimpleTextInProtocolGuid ## BY_START
gEfiSimpleTextInputExProtocolGuid ## BY_START
gEfiPs2PolicyProtocolGuid ## SOMETIMES_CONSUMES
gEfiSioProtocolGuid ## TO_START
gEfiDevicePathProtocolGuid ## TO_START
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdPs2KbdExtendedVerification ## CONSUMES
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdFastPS2Detection ## SOMETIMES_CONSUMES
#
# [Event]
#
# ##
# # Timer event used to read key strokes at a regular interval.
# #
# EVENT_TYPE_PERIODIC_TIMER ## CONSUMES
#
[UserExtensions.TianoCore."ExtraFiles"]
Ps2KeyboardDxeExtra.uni

23
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.uni Normal file
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@ -0,0 +1,23 @@
// /** @file
// Ps2 Keyboard Driver.
//
// Ps2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM
// compatible PS2 protocol using Scan Code Set 1.
//
// Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
// **/
#string STR_MODULE_ABSTRACT #language en-US "Ps2 Keyboard Driver"
#string STR_MODULE_DESCRIPTION #language en-US "Ps2 Keyboard Driver for UEFI. The keyboard type implemented follows IBM compatible PS2 protocol using Scan Code Set 1."

20
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxeExtra.uni Normal file
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@ -0,0 +1,20 @@
// /** @file
// Ps2KeyboardDxe Localized Strings and Content
//
// Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
// **/
#string STR_PROPERTIES_MODULE_NAME
#language en-US
"PS2 Keyboard DXE Driver"

41
MdeModulePkg/Include/Protocol/Ps2Policy.h Normal file
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@ -0,0 +1,41 @@
/** @file
PS/2 policy protocol abstracts the specific platform initialization and settings.
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _PS2_POLICY_PROTOCOL_H_
#define _PS2_POLICY_PROTOCOL_H_
#define EFI_PS2_POLICY_PROTOCOL_GUID \
{ \
0x4df19259, 0xdc71, 0x4d46, {0xbe, 0xf1, 0x35, 0x7b, 0xb5, 0x78, 0xc4, 0x18 } \
}
#define EFI_KEYBOARD_CAPSLOCK 0x0004
#define EFI_KEYBOARD_NUMLOCK 0x0002
#define EFI_KEYBOARD_SCROLLLOCK 0x0001
typedef
EFI_STATUS
(EFIAPI *EFI_PS2_INIT_HARDWARE) (
IN EFI_HANDLE Handle
);
typedef struct {
UINT8 KeyboardLight;
EFI_PS2_INIT_HARDWARE Ps2InitHardware;
} EFI_PS2_POLICY_PROTOCOL;
extern EFI_GUID gEfiPs2PolicyProtocolGuid;
#endif

8
MdeModulePkg/MdeModulePkg.dec
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@ -709,6 +709,14 @@
# @Prompt Enable S3 performance data support.
gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwarePerformanceDataTableS3Support|TRUE|BOOLEAN|0x00010064
## Indicates if PS2 keyboard does a extended verification during start.
# Add this PCD mainly consider the use case of simulator. This PCD maybe set to FALSE for
# Extended verification will take some performance. It can be set to FALSE for boot performance.<BR><BR>
# TRUE - Turn on PS2 keyboard extended verification.<BR>
# FALSE - Turn off PS2 keyboard extended verification.<BR>
# @Prompt Turn on PS2 Keyboard Extended Verification
gEfiMdeModulePkgTokenSpaceGuid.PcdPs2KbdExtendedVerification|TRUE|BOOLEAN|0x00010072
## Indicates if Serial device uses half hand shake.<BR><BR>
# TRUE - Serial device uses half hand shake.<BR>
# FALSE - Serial device doesn't use half hand shake.<BR>

1
MdeModulePkg/MdeModulePkg.dsc
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@ -247,6 +247,7 @@
MdeModulePkg/Bus/I2c/I2cDxe/I2cHostDxe.inf
MdeModulePkg/Bus/I2c/I2cDxe/I2cDxe.inf
MdeModulePkg/Bus/Isa/IsaBusDxe/IsaBusDxe.inf
MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
MdeModulePkg/Core/Dxe/DxeMain.inf {
<LibraryClasses>