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-rw-r--r--Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.c288
-rw-r--r--Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.cif11
-rw-r--r--Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.mak65
-rw-r--r--Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.sdl40
-rw-r--r--Board/EM/Platform/Library/Dxe/DxeKscLib/KscLib.h260
5 files changed, 664 insertions, 0 deletions
diff --git a/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.c b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.c
new file mode 100644
index 0000000..f48c576
--- /dev/null
+++ b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.c
@@ -0,0 +1,288 @@
+
+#include <Protocol\CpuIo.h>
+#include <AmiDxeLib.h>
+#include "KscLib.h"
+
+EFI_CPU_IO_PROTOCOL *mDxeKscLibCpuIo;
+
+BOOLEAN mDxeKscLibInitialized = FALSE;
+extern EFI_BOOT_SERVICES *pBS;
+
+//
+// Function implemenations
+//
+EFI_STATUS
+InitializeKscLib (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Initialize the library.
+ The DXE library only requires CPU IO protocol, so this will locate CPU IO protocol
+ and save it for future use.
+
+Arguments:
+
+ None.
+
+Returns:
+
+ EFI_SUCCESS - KscLib is successfully initialized.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINT8 Data;
+
+ //
+ // Locate CpuIo protocol
+ //
+
+ Status = pBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, &mDxeKscLibCpuIo);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Fail if EC doesn't exist.
+ //
+ mDxeKscLibCpuIo->Io.Read (mDxeKscLibCpuIo, EfiCpuIoWidthUint8, KSC_C_PORT, 1, &Data);
+ if(Data == 0xff){
+ mDxeKscLibInitialized = FALSE;
+ Status = EFI_DEVICE_ERROR;
+ } else {
+ mDxeKscLibInitialized = TRUE;
+ Status = EFI_SUCCESS;
+ }
+ return Status;
+}
+
+EFI_STATUS
+SendKscCommand (
+ UINT8 Command
+ )
+/*++
+
+Routine Description:
+
+ Sends command to Keyboard System Controller.
+
+Arguments:
+
+ Command - Command byte to send
+
+Returns:
+
+ EFI_SUCCESS - Command success
+ EFI_DEVICE_ERROR - Command error
+
+--*/
+{
+ UINTN Index;
+ UINT8 KscStatus;
+ EFI_STATUS Status;
+
+ KscStatus = 0;
+ Index = 0;
+
+ //
+ // Locate CpuIo protocol
+ //
+
+ Status = pBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, &mDxeKscLibCpuIo);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Wait for KSC to be ready (with a timeout)
+ //
+ ReceiveKscStatus (&KscStatus);
+ while (((KscStatus & KSC_S_IBF) != 0) && (Index < KSC_TIME_OUT)) {
+ pBS->Stall (15);
+ ReceiveKscStatus (&KscStatus);
+ Index++;
+ }
+ if (Index >= KSC_TIME_OUT) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Send the KSC command
+ //
+ Status = mDxeKscLibCpuIo->Io.Write (
+ mDxeKscLibCpuIo,
+ EfiCpuIoWidthUint8,
+ KSC_C_PORT,
+ 1,
+ &Command
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+ReceiveKscStatus (
+ UINT8 *KscStatus
+ )
+/*++
+
+Routine Description:
+
+ Receives status from Keyboard System Controller.
+
+Arguments:
+
+ Status - Status byte to receive
+
+Returns:
+
+ EFI_SUCCESS - Always success
+
+--*/
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ //
+ // Locate CpuIo protocol
+ //
+
+ Status = pBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, &mDxeKscLibCpuIo);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Read and return the status
+ //
+ Status = mDxeKscLibCpuIo->Io.Read (
+ mDxeKscLibCpuIo,
+ EfiCpuIoWidthUint8,
+ KSC_C_PORT,
+ 1,
+ KscStatus
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+SendKscData (
+ UINT8 Data
+ )
+/*++
+
+Routine Description:
+
+ Sends data to Keyboard System Controller.
+
+Arguments:
+
+ Data - Data byte to send
+
+Returns:
+
+ EFI_SUCCESS - Success
+ EFI_TIMEOUT - Timeout
+ Other - Failed
+
+--*/
+{
+ UINTN Index;
+ UINT8 KscStatus;
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ Index = 0;
+
+ //
+ // Locate CpuIo protocol
+ //
+ Status = pBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, &mDxeKscLibCpuIo);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Wait for KSC to be ready (with a timeout)
+ //
+ ReceiveKscStatus (&KscStatus);
+ while (((KscStatus & KSC_S_IBF) != 0) && (Index < KSC_TIME_OUT)) {
+ pBS->Stall (15);
+ ReceiveKscStatus (&KscStatus);
+ Index++;
+ }
+ if (Index >= KSC_TIME_OUT) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Send the data and return
+ //
+ Status = mDxeKscLibCpuIo->Io.Write (
+ mDxeKscLibCpuIo,
+ EfiCpuIoWidthUint8,
+ KSC_D_PORT,
+ 1,
+ &Data
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+ReceiveKscData (
+ UINT8 *Data
+ )
+/*++
+
+Routine Description:
+
+ Receives data from Keyboard System Controller.
+
+Arguments:
+
+ Data - Data byte received
+
+Returns:
+
+ EFI_SUCCESS - Read success
+ EFI_DEVICE_ERROR - Read error
+
+--*/
+{
+ UINTN Index;
+ UINT8 KscStatus;
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ Index = 0;
+
+ //
+ // Locate CpuIo protocol
+ //
+
+ Status = pBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, &mDxeKscLibCpuIo);
+ ASSERT_EFI_ERROR (Status);
+ //
+ // Wait for KSC to be ready (with a timeout)
+ //
+ ReceiveKscStatus (&KscStatus);
+ while (((KscStatus & KSC_S_OBF) == 0) && (Index < KSC_TIME_OUT)) {
+ pBS->Stall (15);
+ ReceiveKscStatus (&KscStatus);
+ Index++;
+ }
+ if (Index >= KSC_TIME_OUT) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Read KSC data and return
+ //
+ Status = mDxeKscLibCpuIo->Io.Read (
+ mDxeKscLibCpuIo,
+ EfiCpuIoWidthUint8,
+ KSC_D_PORT,
+ 1,
+ Data
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
diff --git a/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.cif b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.cif
new file mode 100644
index 0000000..887e0f7
--- /dev/null
+++ b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.cif
@@ -0,0 +1,11 @@
+<component>
+ name = "DxeKscLib"
+ category = ModulePart
+ LocalRoot = "Board\EM\Platform\Library\Dxe\DxeKscLib"
+ RefName = "DxeKscLib"
+[files]
+"DxeKscLib.sdl"
+"DxeKscLib.mak"
+"DxeKscLib.c"
+"KscLib.h"
+<endComponent>
diff --git a/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.mak b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.mak
new file mode 100644
index 0000000..d60b49e
--- /dev/null
+++ b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.mak
@@ -0,0 +1,65 @@
+#*************************************************************************
+#*************************************************************************
+#** **
+#** (C)Copyright 1985-2011, American Megatrends, Inc. **
+#** **
+#** All Rights Reserved. **
+#** **
+#** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
+#** **
+#** Phone: (770)-246-8600 **
+#** **
+#*************************************************************************
+#*************************************************************************
+
+#*************************************************************************
+# $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/Platform/IntelPlatformProtocolLib/DxeKscLib/DxeKscLib.mak 1 2/09/12 12:39a Yurenlai $
+#
+# $Revision: 1 $
+#
+# $Date: 2/09/12 12:39a $
+#*************************************************************************
+# Revision History
+# ----------------
+# $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/Platform/IntelPlatformProtocolLib/DxeKscLib/DxeKscLib.mak $
+#
+# 1 2/09/12 12:39a Yurenlai
+# Initial check in.
+#
+#*************************************************************************
+#<AMI_FHDR_START>
+#
+# Name: <ComponentName>.mak
+#
+# Description:
+#
+#<AMI_FHDR_END>
+#**********************************************************************
+all : DxeKscLib
+
+$(BUILD_DIR)\DxeKscLib.lib : DxeKscLib
+
+DxeKscLib : $(BUILD_DIR)\DxeKscLib.mak DxeKscLibBin
+
+$(BUILD_DIR)\DxeKscLib.mak : $(DxeKscLib_DIR)\$(@B).cif $(DxeKscLib_DIR)\$(@B).mak $(BUILD_RULES)
+ $(CIF2MAK) $(DxeKscLib_DIR)\$(@B).cif $(CIF2MAK_DEFAULTS)
+
+DxeKscLibBin : $(EFIDRIVERLIB)
+ $(MAKE) /$(MAKEFLAGS) $(BUILD_DEFAULTS)\
+ /f $(BUILD_DIR)\DxeKscLib.mak all\
+ "CFLAGS=$(CFLAGS) "\
+ TYPE=LIBRARY \
+
+#*************************************************************************
+#*************************************************************************
+#** **
+#** (C)Copyright 1985-2011, American Megatrends, Inc. **
+#** **
+#** All Rights Reserved. **
+#** **
+#** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
+#** **
+#** Phone: (770)-246-8600 **
+#** **
+#*************************************************************************
+#************************************************************************* \ No newline at end of file
diff --git a/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.sdl b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.sdl
new file mode 100644
index 0000000..677ad94
--- /dev/null
+++ b/Board/EM/Platform/Library/Dxe/DxeKscLib/DxeKscLib.sdl
@@ -0,0 +1,40 @@
+TOKEN
+ Name = "INTEL_CRB_DXE_KSC_LIB_SUPPORT"
+ Value = "1"
+ Help = "Main switch to enable INTEL_CRB_DXE_KSC_LIB(EC:H8)support in Project"
+ TokenType = Boolean
+ TargetEQU = Yes
+ TargetMAK = Yes
+ Master = Yes
+End
+
+PATH
+ Name = "DxeKscLib_DIR"
+End
+
+MODULE
+ Help = "Includes DxeKscLib.mak to Project"
+ File = "DxeKscLib.mak"
+End
+
+ELINK
+ Name = "DxeKscLib_LIB"
+ InvokeOrder = ReplaceParent
+End
+
+ELINK
+ Name = "$(BUILD_DIR)\DxeKscLib.lib"
+ Parent = "DxeKscLib_LIB"
+ InvokeOrder = AfterParent
+End
+
+ELINK
+ Name = "DxeKscLib_INCLUDES"
+ InvokeOrder = ReplaceParent
+End
+
+ELINK
+ Name = "/I $(DxeKscLib_DIR)"
+ Parent = "DxeKscLib_INCLUDES"
+ InvokeOrder = AfterParent
+End
diff --git a/Board/EM/Platform/Library/Dxe/DxeKscLib/KscLib.h b/Board/EM/Platform/Library/Dxe/DxeKscLib/KscLib.h
new file mode 100644
index 0000000..2aee1c7
--- /dev/null
+++ b/Board/EM/Platform/Library/Dxe/DxeKscLib/KscLib.h
@@ -0,0 +1,260 @@
+
+#ifndef _KSC_LIB_H_
+#define _KSC_LIB_H_
+
+//
+// Include files
+//
+///#include "Tiano.h"
+
+//
+// Timeout if KSC command/data fails
+//
+#define KSC_TIME_OUT 0x20000
+
+//
+// The Keyboard and System management Controller (KSC) implements a standard 8042 keyboard
+// controller interface at ports 0x60/0x64 and a ACPI compliant system management controller
+// at ports 0x62/0x66. Port 0x66 is the command and status port, port 0x62 is the data port.
+//
+#define KSC_D_PORT 0x62
+#define KSC_C_PORT 0x66
+
+//
+// Status Port 0x62
+//
+#define KSC_S_OVR_TMP 0x80 // Current CPU temperature exceeds the threshold
+#define KSC_S_SMI_EVT 0x40 // SMI event is pending
+#define KSC_S_SCI_EVT 0x20 // SCI event is pending
+#define KSC_S_BURST 0x10 // KSC is in burst mode or normal mode
+#define KSC_S_CMD 0x08 // Byte in data register is command/data
+#define KSC_S_IGN 0x04 // Ignored
+#define KSC_S_IBF 0x02 // Input buffer is full/empty
+#define KSC_S_OBF 0x01 // Output buffer is full/empty
+
+//
+// KSC commands that are issued to the KSC through the command port (0x66).
+// New commands and command parameters should only be written by the host when IBF=0.
+// Data read from the KSC data port is valid only when OBF=1.
+//
+#define KSC_C_SMI_NOTIFY_ENABLE 0x04 // Enable SMI notifications to the host
+#define KSC_C_SMI_NOTIFY_DISABLE 0x05 // SMI notifications are disabled and pending notifications cleared
+#define KSC_C_QUERY_SYS_STATUS 0x06 // Returns 1 byte of information about the system status
+#define KSC_B_SYS_STATUS_FAN 0x40 // Fan status (1 = ON)
+#define KSC_B_SYS_STATUS_DOCK 0x20 // Dock status (1 = Docked)
+#define KSC_B_SYS_STATUS_AC 0x10 // AC power (1 = AC powered)
+#define KSC_B_SYS_STATUS_THERMAL 0x0F // CPU thermal state (0 ~ 9)
+#define KSC_C_FAB_ID 0x0D // Get the board fab ID in the lower 3 bits
+#define KSC_C_SYSTEM_POWER_OFF 0x22 // Turn off the system power
+#define KSC_C_LAN_ON 0x46 // Turn on the power to LAN through EC/KSC
+#define KSC_C_LAN_OFF 0x47 // Turn off the power to LAN through EC/KSC
+#define KSC_C_GET_TEMP 0x50 // Returns the CPU temperature as read from the SMBus thermal sensor.
+#define KSC_C_SET_CTEMP 0x58 // The next byte written to the data port will be the shutdown temperature
+#define KSC_EC_PCH_SMBUS_EN 0x60 // EC PCH SMBus thermal monitoring Enable cmd
+#define KSC_EC_PCH_SMBUS_DIS 0x61 // EC PCH SMBus thermal monitoring Disable cmd
+#define KSC_TS_ON_DIMM_EN 0x6B // TS-on-DIMM thermal monitoring enable command
+#define KSC_TS_ON_DIMM_DIS 0x6C // TS-on-DIMM thermal monitoring disable command
+#define KSC_C_PCH_SMBUS_MSG_LENGTH 0x6D // PCH SMBus block read buffer length
+#define KSC_C_PCH_SMBUS_PEC_EN 0x6E // PCH SMBus Packet Error Checking (PEC) Enable command.
+#define KSC_C_PCH_SMBUS_PEC_DIS 0x76 // PCH SMBus Packet Error Checking (PEC) Disable command.
+#define KSC_C_EC_SMBUS_HIGH_SPEED 0x75 // EC SMBus high speed mode command
+#define KSC_EC_PCH_SMBUS_WRITE_EN 0x68 // EC PCH SMBus Write Enable cmd
+#define KSC_EC_PCH_SMBUS_WRITE_DIS 0x69 // EC PCH SMBus Write Disable cmd
+#define KSC_C_SMI_QUERY 0x70 // The host reads the data port to retrieve the notifications
+#define KSC_C_SMI_TIMER 0x71 // Commands the KSC to generate a periodic SMI to the host
+#define KSC_C_SMI_HOTKEY 0x72 // Get the scan code of hotkey pressed (CTRL + ALT + SHIFT + key)
+#define KSC_C_READ_MEM 0x80 // Read the KSC memory
+#define KSC_C_WRITE_MEM 0x81 // Write the KSC memory
+#define KSC_C_DOCK_STATUS 0x8A // Get the dock status
+#define KSC_B_DOCK_STATUS_ATTACH 0x01 // Dock status (1 = Attach)
+#define KSC_C_KSC_REVISION 0x90 // Get the revision for the KSC
+#define KSC_C_SMI_INJECT 0xBA // The next byte written to the data port will generate an immediate SMI
+#define KSC_C_SMI_DISABLE 0xBC // SMI generation by the KSC is disabled
+#define KSC_C_SMI_ENABLE 0xBD // SMI generation by the KSC is enabled
+#define KSC_C_ACPI_ENABLE 0xAA // Enable ACPI mode
+#define KSC_C_ACPI_DISABLE 0xAB // Disable ACPI mode
+
+//
+// KSC commands that are only valid if the EC has ACPI mode enabled.
+// Note that capacity and voltage are 16 bit values, thus you need to read them from
+// ACPI space with two reads (little Endian).
+//
+#define KSC_VIRTUAL_BAT_STATUS 48 // Status of the virtual battery (present)
+#define KSC_VIRTUAL_BAT_PRESENT_MASK 0x10 // Bit 4 is the indicator
+
+#define KSC_REAL_BAT1_STATUS 50 // Status of the first real battery (present, charging)
+#define KSC_REAL_BAT1_REMAINING_CAPACITY 89 // Remaining capacity in mWh
+#define KSC_REAL_BAT1_RESOLUTION_VOLTAGE 93 // Full resolution voltage in mV
+
+#define KSC_REAL_BAT2_STATUS 54 // Status of the second real battery (present, charging)
+#define KSC_REAL_BAT2_REMAINING_CAPACITY 99 // Remaining capacity in mWh
+#define KSC_REAL_BAT2_RESOLUTION_VOLTAGE 103 // Full resolution voltage in mV
+
+#define KSC_REAL_BAT_PRESENT_MASK 0x8 // Bit 3 is the indicator
+#define KSC_REAL_BAT_CHARGING_MASK 0x1 // Bit 1 is the indicator
+
+//
+// SMI notification code table, read through command KSC_C_SMI_QUERY
+//
+#define KSC_N_SMI_NULL 0x00 // Null marks the end of the SMI notification queue
+#define KSC_N_SMI_HOTKEY 0x20 // Hotkey pressed SMI
+#define KSC_N_SMI_ACINSERTION 0x30 // AC insertion SMI
+#define KSC_N_SMI_ACREMOVAL 0x31 // AC removal SMI
+#define KSC_N_SMI_PWRSW 0x32 // Power switch press SMI
+#define KSC_N_SMI_LID 0x33 // Lid switch change SMI
+#define KSC_N_SMI_VB 0x34 // Virtual battery switch change SMI
+#define KSC_N_SMI_THERM_0 0x60 // Thermal state 0 SMI
+#define KSC_N_SMI_THERM_1 0x61 // Thermal state 1 SMI
+#define KSC_N_SMI_THERM_2 0x62 // Thermal state 2 SMI
+#define KSC_N_SMI_THERM_3 0x63 // Thermal state 3 SMI
+#define KSC_N_SMI_THERM_4 0x64 // Thermal state 4 SMI
+#define KSC_N_SMI_THERM_5 0x65 // Thermal state 5 SMI
+#define KSC_N_SMI_THERM_6 0x66 // Thermal state 6 SMI
+#define KSC_N_SMI_THERM_7 0x67 // Thermal state 7 SMI
+#define KSC_N_SMI_THERM_8 0x68 // Thermal state 8 SMI
+#define KSC_N_SMI_DOCKED 0x70 // Dock complete SMI
+#define KSC_N_SMI_UNDOCKED 0x71 // Undock complete SMI
+#define KSC_N_SMI_UNDOCKREQUEST 0x72 // Undocking request SMI
+#define KSC_N_SMI_TIMER 0x80 // Timer wakeup SMI
+
+//
+// Hotkey scan code (CTRL + ALT + SHIFT + key)
+//
+#define KSC_HK_ESC 0x01 // ESC
+#define KSC_HK_1 0x02 // 1 !
+#define KSC_HK_2 0x03 // 2 @
+#define KSC_HK_3 0x04 // 3 #
+#define KSC_HK_4 0x05 // 4 $
+#define KSC_HK_5 0x06 // 5 %
+#define KSC_HK_6 0x07 // 6 ^
+#define KSC_HK_7 0x08 // 7 &
+#define KSC_HK_8 0x09 // 8 *
+#define KSC_HK_9 0x0A // 9 (
+#define KSC_HK_0 0x0B // 0 )
+#define KSC_HK_MINUS 0x0C // - _
+#define KSC_HK_ADD 0x0D // = +
+#define KSC_HK_F1 0x3B // F1
+#define KSC_HK_F2 0x3C // F2
+#define KSC_HK_F3 0x3D // F3
+#define KSC_HK_F4 0x3E // F4
+#define KSC_HK_F5 0x3F // F5
+#define KSC_HK_F6 0x40 // F6
+#define KSC_HK_F7 0x41 // F7
+#define KSC_HK_F8 0x42 // F8
+#define KSC_HK_F9 0x43 // F9
+#define KSC_HK_F10 0x44 // F10
+#define KSC_HK_F11 0x57 // F11
+#define KSC_HK_F12 0x58 // F12
+
+//
+// Function declarations
+//
+EFI_STATUS
+InitializeKscLib (
+ VOID
+ );
+/*++
+
+Routine Description:
+
+ This function initializes the KSC library.
+ It must be called before using any of the other KSC library functions.
+
+Arguments:
+
+ None.
+
+Returns:
+
+ EFI_SUCCESS - KscLib is successfully initialized.
+
+--*/
+
+EFI_STATUS
+SendKscCommand (
+ UINT8 Command
+ );
+/*++
+
+Routine Description:
+
+ Send a command to the Keyboard System Controller.
+
+Arguments:
+
+ Command - Command byte to send
+
+Returns:
+
+ EFI_SUCCESS - Command success
+ EFI_TIMEOUT - Command timeout
+ Other - Command failed
+
+--*/
+
+EFI_STATUS
+SendKscData (
+ UINT8 Data
+ );
+/*++
+
+Routine Description:
+
+ Sends data to Keyboard System Controller.
+
+Arguments:
+
+ Data - Data byte to send
+
+Returns:
+
+ EFI_SUCCESS - Success
+ EFI_TIMEOUT - Timeout
+ Other - Failed
+
+--*/
+
+EFI_STATUS
+ReceiveKscData (
+ UINT8 *Data
+ );
+/*++
+
+Routine Description:
+
+ Receives data from Keyboard System Controller.
+
+Arguments:
+
+ Data - Data byte received
+
+Returns:
+
+ EFI_SUCCESS - Read success
+ EFI_TIMEOUT - Read timeout
+ Other - Read failed
+
+--*/
+
+EFI_STATUS
+ReceiveKscStatus (
+ UINT8 *KscStatus
+ );
+/*++
+
+Routine Description:
+
+ Receives status from Keyboard System Controller.
+
+Arguments:
+
+ Status - Status byte to receive
+
+Returns:
+
+ EFI_SUCCESS - Success
+ Other - Failed
+
+--*/
+
+#endif