diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/Dxe/IsaFloppy.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/Dxe/IsaFloppy.h | 1321 |
1 files changed, 1321 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/Dxe/IsaFloppy.h b/IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/Dxe/IsaFloppy.h new file mode 100644 index 0000000000..f60b146aa0 --- /dev/null +++ b/IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/Dxe/IsaFloppy.h @@ -0,0 +1,1321 @@ +/*++
+
+ Copyright (c) 2006 - 2007, Intel Corporation<BR>
+ All rights reserved. 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.
+
+Module Name:
+
+ IsaFloppy.h
+
+Abstract:
+
+ Include for ISA Floppy Driver
+ Define the data structure and so on
+
+Revision History:
+
+--*/
+
+#ifndef _ISA_FLOPPY_H
+#define _ISA_FLOPPY_H
+
+#include <PiDxe.h>
+#include <FrameworkPei.h>
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Protocol/BlockIo.h>
+#include <Protocol/IsaIo.h>
+#include <Protocol/DevicePath.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/TimerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/BaseLib.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/ReportStatusCodeLib.h>
+//
+// Driver Binding Externs
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;
+extern EFI_COMPONENT_NAME_PROTOCOL gIsaFloppyComponentName;
+
+//
+// define some value
+//
+#define STALL_1_SECOND 1000000
+#define STALL_1_MSECOND 1000
+
+#define DATA_IN 1
+#define DATA_OUT 0
+#define READ 0
+#define WRITE 1
+
+//
+// Internal Data Structures
+//
+#define FDC_BLK_IO_DEV_SIGNATURE EFI_SIGNATURE_32 ('F', 'B', 'I', 'O')
+#define FLOPPY_CONTROLLER_CONTEXT_SIGNATURE EFI_SIGNATURE_32 ('F', 'D', 'C', 'C')
+
+typedef enum {
+ FDC_DISK0 = 0,
+ FDC_DISK1 = 1,
+ FDC_MAX_DISK= 2
+} EFI_FDC_DISK;
+
+typedef struct {
+ UINT32 Signature;
+ LIST_ENTRY Link;
+ BOOLEAN FddResetPerformed;
+ EFI_STATUS FddResetStatus;
+ BOOLEAN NeedRecalibrate;
+ UINT8 NumberOfDrive;
+ UINT16 BaseAddress;
+} FLOPPY_CONTROLLER_CONTEXT;
+
+typedef struct {
+ UINTN Signature;
+ EFI_HANDLE Handle;
+ EFI_BLOCK_IO_PROTOCOL BlkIo;
+ EFI_BLOCK_IO_MEDIA BlkMedia;
+
+ EFI_ISA_IO_PROTOCOL *IsaIo;
+
+ UINT16 BaseAddress;
+
+ EFI_FDC_DISK Disk;
+ UINT8 PresentCylinderNumber;
+ UINT8 *Cache;
+
+ EFI_EVENT Event;
+ EFI_UNICODE_STRING_TABLE *ControllerNameTable;
+ FLOPPY_CONTROLLER_CONTEXT *ControllerState;
+
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+} FDC_BLK_IO_DEV;
+
+#include "ComponentName.h"
+
+#define FDD_BLK_IO_FROM_THIS(a) CR (a, FDC_BLK_IO_DEV, BlkIo, FDC_BLK_IO_DEV_SIGNATURE)
+#define FLOPPY_CONTROLLER_FROM_LIST_ENTRY(a) \
+ CR (a, \
+ FLOPPY_CONTROLLER_CONTEXT, \
+ Link, \
+ FLOPPY_CONTROLLER_CONTEXT_SIGNATURE \
+ )
+
+#define DISK_1440K_EOT 0x12
+#define DISK_1440K_GPL 0x1b
+#define DISK_1440K_DTL 0xff
+#define DISK_1440K_NUMBER 0x02
+#define DISK_1440K_MAXTRACKNUM 0x4f
+#define DISK_1440K_BYTEPERSECTOR 512
+
+typedef struct {
+ UINT8 CommandCode;
+ UINT8 DiskHeadSel;
+ UINT8 Cylinder;
+ UINT8 Head;
+ UINT8 Sector;
+ UINT8 Number;
+ UINT8 EndOfTrack;
+ UINT8 GapLength;
+ UINT8 DataLength;
+} FDD_COMMAND_PACKET1;
+
+typedef struct {
+ UINT8 CommandCode;
+ UINT8 DiskHeadSel;
+} FDD_COMMAND_PACKET2;
+
+typedef struct {
+ UINT8 CommandCode;
+ UINT8 SrtHut;
+ UINT8 HltNd;
+} FDD_SPECIFY_CMD;
+
+typedef struct {
+ UINT8 CommandCode;
+ UINT8 DiskHeadSel;
+ UINT8 NewCylinder;
+} FDD_SEEK_CMD;
+
+typedef struct {
+ UINT8 CommandCode;
+ UINT8 DiskHeadSel;
+ UINT8 Cylinder;
+ UINT8 Head;
+ UINT8 Sector;
+ UINT8 EndOfTrack;
+ UINT8 GapLength;
+ UINT8 ScanTestPause;
+} FDD_SCAN_CMD;
+
+typedef struct {
+ UINT8 Status0;
+ UINT8 Status1;
+ UINT8 Status2;
+ UINT8 C;
+ UINT8 H;
+ UINT8 S;
+ UINT8 Number;
+} FDD_RESULT_PACKET;
+
+//
+// FDC Registers
+//
+//
+// 0x3F2 Digital Output Register
+//
+#define FDC_REGISTER_DOR 2
+
+//
+// 0x3F4 Main Status Register
+//
+#define FDC_REGISTER_MSR 4
+
+//
+// 0x3F5 Data Register
+//
+#define FDC_REGISTER_DTR 5
+
+//
+// 0x3F7 Configuration Control Register(data rate select)
+//
+#define FDC_REGISTER_CCR 7
+
+//
+// 0x3F7 Digital Input Register(diskchange)
+//
+#define FDC_REGISTER_DIR 7
+
+
+
+//
+// FDC Register Bit Definitions
+//
+//
+// Digital Out Register(WO)
+//
+//
+// Select Drive: 0=A 1=B
+//
+#define SELECT_DRV BIT0
+
+//
+// Reset FDC
+//
+#define RESET_FDC BIT2
+
+//
+// Enable Int & DMA
+//
+#define INT_DMA_ENABLE BIT3
+
+//
+// Turn On Drive A Motor
+//
+#define DRVA_MOTOR_ON BIT4
+
+//
+// Turn On Drive B Motor
+//
+#define DRVB_MOTOR_ON BIT5
+
+//
+// Main Status Register(RO)
+//
+//
+// Drive A Busy
+//
+#define MSR_DAB BIT0
+
+//
+// Drive B Busy
+//
+#define MSR_DBB BIT1
+
+//
+// FDC Busy
+//
+#define MSR_CB BIT4
+
+//
+// Non-DMA Mode
+//
+#define MSR_NDM BIT5
+
+//
+// Data Input/Output
+//
+#define MSR_DIO BIT6
+
+//
+// Request For Master
+//
+#define MSR_RQM BIT7
+
+//
+// Configuration Control Register(WO)
+//
+//
+// Data Rate select
+//
+#define CCR_DRC (BIT0 | BIT1)
+
+//
+// Digital Input Register(RO)
+//
+//
+// Disk change line
+//
+#define DIR_DCL BIT7
+//
+// #define CCR_DCL BIT7 // Diskette change
+//
+// 500K
+//
+#define DRC_500KBS 0x0
+
+//
+// 300K
+//
+#define DRC_300KBS 0x01
+
+//
+// 250K
+//
+#define DRC_250KBS 0x02
+
+//
+// FDC Command Code
+//
+#define READ_DATA_CMD 0x06
+#define WRITE_DATA_CMD 0x05
+#define WRITE_DEL_DATA_CMD 0x09
+#define READ_DEL_DATA_CMD 0x0C
+#define READ_TRACK_CMD 0x02
+#define READ_ID_CMD 0x0A
+#define FORMAT_TRACK_CMD 0x0D
+#define SCAN_EQU_CMD 0x11
+#define SCAN_LOW_EQU_CMD 0x19
+#define SCAN_HIGH_EQU_CMD 0x1D
+#define SEEK_CMD 0x0F
+#define RECALIBRATE_CMD 0x07
+#define SENSE_INT_STATUS_CMD 0x08
+#define SPECIFY_CMD 0x03
+#define SENSE_DRV_STATUS_CMD 0x04
+
+//
+// CMD_MT: Multi_Track Selector
+// when set , this flag selects the multi-track operating mode.
+// In this mode, the FDC treats a complete cylinder under head0 and 1
+// as a single track
+//
+#define CMD_MT BIT7
+
+//
+// CMD_MFM: MFM/FM Mode Selector
+// A one selects the double density(MFM) mode
+// A zero selects single density (FM) mode
+//
+#define CMD_MFM BIT6
+
+//
+// CMD_SK: Skip Flag
+// When set to 1, sectors containing a deleted data address mark will
+// automatically be skipped during the execution of Read Data.
+// When set to 0, the sector is read or written the same as the read and
+// write commands.
+//
+#define CMD_SK BIT5
+
+//
+// FDC Status Register Bit Definitions
+//
+//
+// Status Register 0
+//
+//
+// Interrupt Code
+//
+#define STS0_IC (BIT7 | BIT6)
+
+//
+// Seek End: the FDC completed a seek or recalibrate command
+//
+#define STS0_SE BIT5
+
+//
+// Equipment Check
+//
+#define STS0_EC BIT4
+
+//
+// Not Ready(unused), this bit is always 0
+//
+#define STS0_NR BIT3
+
+//
+// Head Address: the current head address
+//
+#define STS0_HA BIT2
+
+//
+// STS0_US1 & STS0_US0: Drive Select(the current selected drive)
+//
+//
+// Unit Select1
+//
+#define STS0_US1 BIT1
+
+//
+// Unit Select0
+//
+#define STS0_US0 BIT0
+
+//
+// Status Register 1
+//
+//
+// End of Cylinder
+//
+#define STS1_EN BIT7
+
+//
+// BIT6 is unused
+//
+//
+// Data Error: The FDC detected a CRC error in either the ID field or
+// data field of a sector
+//
+#define STS1_DE BIT5
+
+//
+// Overrun/Underrun: Becomes set if FDC does not receive CPU or DMA service
+// within the required time interval
+//
+#define STS1_OR BIT4
+
+//
+// BIT3 is unused
+//
+//
+// No data
+//
+#define STS1_ND BIT2
+
+//
+// Not Writable
+//
+#define STS1_NW BIT1
+
+//
+// Missing Address Mark
+//
+#define STS1_MA BIT0
+
+//
+// Control Mark
+//
+#define STS2_CM BIT6
+
+//
+// Data Error in Data Field: The FDC detected a CRC error in the data field
+//
+#define STS2_DD BIT5
+
+//
+// Wrong Cylinder: The track address from sector ID field is different from
+// the track address maintained inside FDC
+//
+#define STS2_WC BIT4
+
+//
+// Bad Cylinder
+//
+#define STS2_BC BIT1
+
+//
+// Missing Address Mark in Data Field
+//
+#define STS2_MD BIT0
+
+//
+// Write Protected
+//
+#define STS3_WP BIT6
+
+//
+// Track 0
+//
+#define STS3_T0 BIT4
+
+//
+// Head Address
+//
+#define STS3_HD BIT2
+
+//
+// STS3_US1 & STS3_US0 : Drive Select
+//
+#define STS3_US1 BIT1
+#define STS3_US0 BIT0
+
+//
+// Status Register 0 Interrupt Code Description
+//
+//
+// Normal Termination of Command
+//
+#define IC_NT 0x0
+
+//
+// Abnormal Termination of Command
+//
+#define IC_AT 0x40
+
+//
+// Invalid Command
+//
+#define IC_IC 0x80
+
+//
+// Abnormal Termination caused by Polling
+//
+#define IC_ATRC 0xC0
+
+//
+// Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;
+
+//
+// EFI Driver Binding Protocol Functions
+//
+EFI_STATUS
+EFIAPI
+FdcControllerDriverSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ RemainingDevicePath - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+FdcControllerDriverStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ RemainingDevicePath - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+FdcControllerDriverStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ Controller - GC_TODO: add argument description
+ NumberOfChildren - GC_TODO: add argument description
+ ChildHandleBuffer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+//
+// EFI Block I/O Protocol Functions
+//
+EFI_STATUS
+EFIAPI
+FdcReset (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ ExtendedVerification - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+FddFlushBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+FddReadBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA LBA,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ MediaId - GC_TODO: add argument description
+ LBA - GC_TODO: add argument description
+ BufferSize - GC_TODO: add argument description
+ Buffer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+FddWriteBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA LBA,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ MediaId - GC_TODO: add argument description
+ LBA - GC_TODO: add argument description
+ BufferSize - GC_TODO: add argument description
+ Buffer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+//
+// Prototypes of internal functions
+//
+EFI_STATUS
+DiscoverFddDevice (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+FddIdentify (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+FddReset (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+MotorOn (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+MotorOff (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+DisketChanged (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+Specify (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+Recalibrate (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+Seek (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN EFI_LBA Lba
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Lba - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SenseIntStatus (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN OUT UINT8 *StatusRegister0,
+ IN OUT UINT8 *PresentCylinderNumber
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ StatusRegister0 - GC_TODO: add argument description
+ PresentCylinderNumber - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SenseDrvStatus (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN EFI_LBA Lba
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Lba - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+DetectMedia (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+Setup (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+ReadWriteDataSector (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN VOID *HostAddress,
+ IN EFI_LBA Lba,
+ IN UINTN NumberOfBlocks,
+ IN BOOLEAN Read
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ HostAddress - GC_TODO: add argument description
+ Lba - GC_TODO: add argument description
+ NumberOfBlocks - GC_TODO: add argument description
+ Read - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+FillPara (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN EFI_LBA Lba,
+ IN FDD_COMMAND_PACKET1 *Command
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Lba - GC_TODO: add argument description
+ Command - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+DataInByte (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN UINT8 *Pointer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Pointer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+DataOutByte (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN UINT8 *Pointer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Pointer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+FddWaitForBSYClear (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN UINTN TimeoutInSeconds
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ TimeoutInSeconds - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+FddDRQReady (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN BOOLEAN Dio,
+ IN UINTN TimeoutInSeconds
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Dio - GC_TODO: add argument description
+ TimeoutInSeconds - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+CheckResult (
+ IN FDD_RESULT_PACKET *Result,
+ IN OUT FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Result - GC_TODO: add argument description
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+CheckStatus3 (
+ IN UINT8 StatusRegister3
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ StatusRegister3 - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+UINTN
+GetTransferBlockCount (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN EFI_LBA LBA,
+ IN UINTN NumberOfBlocks
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ LBA - GC_TODO: add argument description
+ NumberOfBlocks - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+EFIAPI
+FddTimerProc (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ Event - GC_TODO: add argument description
+ Context - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+UINT8
+FdcReadPort (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN UINT32 Offset
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Offset - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+FdcWritePort (
+ IN FDC_BLK_IO_DEV *FdcDev,
+ IN UINT32 Offset,
+ IN UINT8 Data
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+ Offset - GC_TODO: add argument description
+ Data - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+FddReadWriteBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA LBA,
+ IN UINTN BufferSize,
+ IN BOOLEAN Operation,
+ OUT VOID *Buffer
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ This - GC_TODO: add argument description
+ MediaId - GC_TODO: add argument description
+ LBA - GC_TODO: add argument description
+ BufferSize - GC_TODO: add argument description
+ Operation - GC_TODO: add argument description
+ Buffer - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+VOID
+FdcFreeCache (
+ IN FDC_BLK_IO_DEV *FdcDev
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FdcDev - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+;
+
+#endif
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