130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
/** @file
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Produces Keyboard MapDb Protocol.
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Copyright (C) 2016 CupertinoNet. All rights reserved.<BR>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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**/
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#include "EfiKey.h"
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#include "AppleKey.h"
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#include <Library/DevicePathLib.h>
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STATIC VOID *mAppleKeyMapDbRegistration = NULL;
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APPLE_KEY_MAP_DATABASE_PROTOCOL *AppleKeyMapDb = NULL;
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STATIC
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EFI_STATUS
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BiosKbSetAppleKeyMapDb (
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IN BIOS_KEYBOARD_DEV *BiosKeyboardDevice,
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IN APPLE_KEY_MAP_DATABASE_PROTOCOL *AppleKeyMapDb
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)
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{
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EFI_STATUS Status;
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if (!BiosKeyboardDevice || !AppleKeyMapDb) {
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return EFI_UNSUPPORTED;
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}
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Status = AppleKeyMapDb->CreateKeyStrokesBuffer (
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AppleKeyMapDb,
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6,
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&BiosKeyboardDevice->KeyMapDbIndex
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);
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if (!EFI_ERROR(Status)) {
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BiosKeyboardDevice->KeyMapDb = AppleKeyMapDb;
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}
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return Status;
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}
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/**
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Protocol installation notify for Apple KeyMap Database.
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@param[in] Event Indicates the event that invoke this function.
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@param[in] Context Indicates the calling context.
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**/
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VOID
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EFIAPI
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BiosKbAppleKeyMapDbInstallNotify (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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EFI_STATUS Status;
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ASSERT (Event != NULL);
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ASSERT (Context != NULL);
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Status = gBS->LocateProtocol (
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&gAppleKeyMapDatabaseProtocolGuid,
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mAppleKeyMapDbRegistration,
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(VOID **)&AppleKeyMapDb
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);
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if (!EFI_ERROR(Status)) {
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BiosKbSetAppleKeyMapDb ((BIOS_KEYBOARD_DEV *)Context, AppleKeyMapDb);
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gBS->CloseEvent (Event);
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}
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}
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EFI_STATUS
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BiosKbLocateAppleKeyMapDb (
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IN BIOS_KEYBOARD_DEV *BiosKeyboardDevice
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)
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{
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EFI_STATUS Status;
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//ASSERT (BiosKeyboardDevice != NULL);
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if (!BiosKeyboardDevice) {
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return EFI_UNSUPPORTED;
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}
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Status = gBS->LocateProtocol (
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&gAppleKeyMapDatabaseProtocolGuid,
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NULL,
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(VOID **)&AppleKeyMapDb
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);
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if (!EFI_ERROR(Status)) {
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BiosKbSetAppleKeyMapDb (BiosKeyboardDevice, AppleKeyMapDb);
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}
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else {
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EfiCreateProtocolNotifyEvent (
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&gAppleKeyMapDatabaseProtocolGuid,
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TPL_NOTIFY,
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BiosKbAppleKeyMapDbInstallNotify,
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(VOID *)BiosKeyboardDevice,
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&mAppleKeyMapDbRegistration
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);
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}
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return Status; //signal that Db is not ready
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}
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VOID
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BiosKbFreeAppleKeyMapDb (
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IN BIOS_KEYBOARD_DEV *BiosKeyboardDevice
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)
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{
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if (BiosKeyboardDevice->KeyMapDb != NULL) {
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BiosKeyboardDevice->KeyMapDb->RemoveKeyStrokesBuffer (
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BiosKeyboardDevice->KeyMapDb,
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BiosKeyboardDevice->KeyMapDbIndex
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);
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}
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}
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