IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/Dxe/IsaFloppy.h

   1 /*++
   2
   3   Copyright (c) 2006 - 2007, Intel Corporation<BR>
   4   All rights reserved. This program and the accompanying materials
   5   are licensed and made available under the terms and conditions of the BSD License
   6   which accompanies this distribution.  The full text of the license may be found at
   7   http://opensource.org/licenses/bsd-license.php
   8
   9   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   IsaFloppy.h
  15
  16 Abstract:
  17
  18   Include for ISA Floppy Driver
  19   Define the data structure and so on
  20
  21 Revision History:
  22
  23 --*/
  24
  25 #ifndef _ISA_FLOPPY_H
  26 #define _ISA_FLOPPY_H
  27
  28 #include <PiDxe.h>
  29 #include <FrameworkPei.h>
  30 //
  31 // The protocols, PPI and GUID defintions for this module
  32 //
  33 #include <Protocol/BlockIo.h>
  34 #include <Protocol/IsaIo.h>
  35 #include <Protocol/DevicePath.h>
  36 //
  37 // The Library classes this module consumes
  38 //
  39 #include <Library/TimerLib.h>
  40 #include <Library/DebugLib.h>
  41 #include <Library/UefiDriverEntryPoint.h>
  42 #include <Library/BaseLib.h>
  43 #include <Library/UefiLib.h>
  44 #include <Library/BaseMemoryLib.h>
  45 #include <Library/MemoryAllocationLib.h>
  46 #include <Library/UefiBootServicesTableLib.h>
  47 #include <Library/ReportStatusCodeLib.h>
  48 //
  49 // Driver Binding Externs
  50 //
  51 extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;
  52 extern EFI_COMPONENT_NAME_PROTOCOL gIsaFloppyComponentName;
  53
  54 //
  55 // define some value
  56 //
  57 #define STALL_1_SECOND  1000000
  58 #define STALL_1_MSECOND 1000
  59
  60 #define DATA_IN         1
  61 #define DATA_OUT        0
  62 #define READ            0
  63 #define WRITE           1
  64
  65 //
  66 // Internal Data Structures
  67 //
  68 #define FDC_BLK_IO_DEV_SIGNATURE            EFI_SIGNATURE_32 ('F', 'B', 'I', 'O')
  69 #define FLOPPY_CONTROLLER_CONTEXT_SIGNATURE EFI_SIGNATURE_32 ('F', 'D', 'C', 'C')
  70
  71 typedef enum {
  72   FDC_DISK0   = 0,
  73   FDC_DISK1   = 1,
  74   FDC_MAX_DISK= 2
  75 } EFI_FDC_DISK;
  76
  77 typedef struct {
  78   UINT32          Signature;
  79   LIST_ENTRY  Link;
  80   BOOLEAN         FddResetPerformed;
  81   EFI_STATUS      FddResetStatus;
  82   BOOLEAN         NeedRecalibrate;
  83   UINT8           NumberOfDrive;
  84   UINT16          BaseAddress;
  85 } FLOPPY_CONTROLLER_CONTEXT;
  86
  87 typedef struct {
  88   UINTN                                     Signature;
  89   EFI_HANDLE                                Handle;
  90   EFI_BLOCK_IO_PROTOCOL                     BlkIo;
  91   EFI_BLOCK_IO_MEDIA                        BlkMedia;
  92
  93   EFI_ISA_IO_PROTOCOL                       *IsaIo;
  94
  95   UINT16                                    BaseAddress;
  96
  97   EFI_FDC_DISK                              Disk;
  98   UINT8                                     PresentCylinderNumber;
  99   UINT8                                     *Cache;
 100
 101   EFI_EVENT                                 Event;
 102   EFI_UNICODE_STRING_TABLE                  *ControllerNameTable;
 103   FLOPPY_CONTROLLER_CONTEXT                 *ControllerState;
 104
 105   EFI_DEVICE_PATH_PROTOCOL                  *DevicePath;
 106 } FDC_BLK_IO_DEV;
 107
 108 #include "ComponentName.h"
 109
 110 #define FDD_BLK_IO_FROM_THIS(a) CR (a, FDC_BLK_IO_DEV, BlkIo, FDC_BLK_IO_DEV_SIGNATURE)
 111 #define FLOPPY_CONTROLLER_FROM_LIST_ENTRY(a) \
 112   CR (a, \
 113       FLOPPY_CONTROLLER_CONTEXT, \
 114       Link, \
 115       FLOPPY_CONTROLLER_CONTEXT_SIGNATURE \
 116       )
 117
 118 #define DISK_1440K_EOT            0x12
 119 #define DISK_1440K_GPL            0x1b
 120 #define DISK_1440K_DTL            0xff
 121 #define DISK_1440K_NUMBER         0x02
 122 #define DISK_1440K_MAXTRACKNUM    0x4f
 123 #define DISK_1440K_BYTEPERSECTOR  512
 124
 125 typedef struct {
 126   UINT8 CommandCode;
 127   UINT8 DiskHeadSel;
 128   UINT8 Cylinder;
 129   UINT8 Head;
 130   UINT8 Sector;
 131   UINT8 Number;
 132   UINT8 EndOfTrack;
 133   UINT8 GapLength;
 134   UINT8 DataLength;
 135 } FDD_COMMAND_PACKET1;
 136
 137 typedef struct {
 138   UINT8 CommandCode;
 139   UINT8 DiskHeadSel;
 140 } FDD_COMMAND_PACKET2;
 141
 142 typedef struct {
 143   UINT8 CommandCode;
 144   UINT8 SrtHut;
 145   UINT8 HltNd;
 146 } FDD_SPECIFY_CMD;
 147
 148 typedef struct {
 149   UINT8 CommandCode;
 150   UINT8 DiskHeadSel;
 151   UINT8 NewCylinder;
 152 } FDD_SEEK_CMD;
 153
 154 typedef struct {
 155   UINT8 CommandCode;
 156   UINT8 DiskHeadSel;
 157   UINT8 Cylinder;
 158   UINT8 Head;
 159   UINT8 Sector;
 160   UINT8 EndOfTrack;
 161   UINT8 GapLength;
 162   UINT8 ScanTestPause;
 163 } FDD_SCAN_CMD;
 164
 165 typedef struct {
 166   UINT8 Status0;
 167   UINT8 Status1;
 168   UINT8 Status2;
 169   UINT8 C;
 170   UINT8 H;
 171   UINT8 S;
 172   UINT8 Number;
 173 } FDD_RESULT_PACKET;
 174
 175 //
 176 // FDC Registers
 177 //
 178 //
 179 // 0x3F2 Digital Output Register
 180 //
 181 #define FDC_REGISTER_DOR  2
 182
 183 //
 184 // 0x3F4 Main Status Register
 185 //
 186 #define FDC_REGISTER_MSR  4
 187
 188 //
 189 // 0x3F5 Data Register
 190 //
 191 #define FDC_REGISTER_DTR  5
 192
 193 //
 194 // 0x3F7 Configuration Control Register(data rate select)
 195 //
 196 #define FDC_REGISTER_CCR  7
 197
 198 //
 199 // 0x3F7 Digital Input Register(diskchange)
 200 //
 201 #define FDC_REGISTER_DIR  7
 202
 203
 204
 205 //
 206 // FDC Register Bit Definitions
 207 //
 208 //
 209 // Digital Out Register(WO)
 210 //
 211 //
 212 // Select Drive: 0=A 1=B
 213 //
 214 #define SELECT_DRV  BIT0
 215
 216 //
 217 // Reset FDC
 218 //
 219 #define RESET_FDC BIT2
 220
 221 //
 222 // Enable Int & DMA
 223 //
 224 #define INT_DMA_ENABLE  BIT3
 225
 226 //
 227 // Turn On Drive A Motor
 228 //
 229 #define DRVA_MOTOR_ON BIT4
 230
 231 //
 232 // Turn On Drive B Motor
 233 //
 234 #define DRVB_MOTOR_ON BIT5
 235
 236 //
 237 // Main Status Register(RO)
 238 //
 239 //
 240 // Drive A Busy
 241 //
 242 #define MSR_DAB BIT0
 243
 244 //
 245 // Drive B Busy
 246 //
 247 #define MSR_DBB BIT1
 248
 249 //
 250 // FDC Busy
 251 //
 252 #define MSR_CB  BIT4
 253
 254 //
 255 // Non-DMA Mode
 256 //
 257 #define MSR_NDM BIT5
 258
 259 //
 260 // Data Input/Output
 261 //
 262 #define MSR_DIO BIT6
 263
 264 //
 265 // Request For Master
 266 //
 267 #define MSR_RQM BIT7
 268
 269 //
 270 // Configuration Control Register(WO)
 271 //
 272 //
 273 // Data Rate select
 274 //
 275 #define CCR_DRC (BIT0 | BIT1)
 276
 277 //
 278 // Digital Input Register(RO)
 279 //
 280 //
 281 // Disk change line
 282 //
 283 #define DIR_DCL BIT7
 284 //
 285 // #define CCR_DCL         BIT7      // Diskette change
 286 //
 287 // 500K
 288 //
 289 #define DRC_500KBS  0x0
 290
 291 //
 292 // 300K
 293 //
 294 #define DRC_300KBS  0x01
 295
 296 //
 297 // 250K
 298 //
 299 #define DRC_250KBS  0x02
 300
 301 //
 302 // FDC Command Code
 303 //
 304 #define READ_DATA_CMD         0x06
 305 #define WRITE_DATA_CMD        0x05
 306 #define WRITE_DEL_DATA_CMD    0x09
 307 #define READ_DEL_DATA_CMD     0x0C
 308 #define READ_TRACK_CMD        0x02
 309 #define READ_ID_CMD           0x0A
 310 #define FORMAT_TRACK_CMD      0x0D
 311 #define SCAN_EQU_CMD          0x11
 312 #define SCAN_LOW_EQU_CMD      0x19
 313 #define SCAN_HIGH_EQU_CMD     0x1D
 314 #define SEEK_CMD              0x0F
 315 #define RECALIBRATE_CMD       0x07
 316 #define SENSE_INT_STATUS_CMD  0x08
 317 #define SPECIFY_CMD           0x03
 318 #define SENSE_DRV_STATUS_CMD  0x04
 319
 320 //
 321 // CMD_MT: Multi_Track Selector
 322 // when set , this flag selects the multi-track operating mode.
 323 // In this mode, the FDC treats a complete cylinder under head0 and 1
 324 // as a single track
 325 //
 326 #define CMD_MT  BIT7
 327
 328 //
 329 // CMD_MFM: MFM/FM Mode Selector
 330 // A one selects the double density(MFM) mode
 331 // A zero selects single density (FM) mode
 332 //
 333 #define CMD_MFM BIT6
 334
 335 //
 336 // CMD_SK: Skip Flag
 337 // When set to 1, sectors containing a deleted data address mark will
 338 // automatically be skipped during the execution of Read Data.
 339 // When set to 0, the sector is read or written the same as the read and
 340 // write commands.
 341 //
 342 #define CMD_SK  BIT5
 343
 344 //
 345 // FDC Status Register Bit Definitions
 346 //
 347 //
 348 // Status Register 0
 349 //
 350 //
 351 // Interrupt Code
 352 //
 353 #define STS0_IC (BIT7 | BIT6)
 354
 355 //
 356 // Seek End: the FDC completed a seek or recalibrate command
 357 //
 358 #define STS0_SE BIT5
 359
 360 //
 361 // Equipment Check
 362 //
 363 #define STS0_EC BIT4
 364
 365 //
 366 // Not Ready(unused), this bit is always 0
 367 //
 368 #define STS0_NR BIT3
 369
 370 //
 371 // Head Address: the current head address
 372 //
 373 #define STS0_HA BIT2
 374
 375 //
 376 // STS0_US1 & STS0_US0: Drive Select(the current selected drive)
 377 //
 378 //
 379 // Unit Select1
 380 //
 381 #define STS0_US1  BIT1
 382
 383 //
 384 // Unit Select0
 385 //
 386 #define STS0_US0  BIT0
 387
 388 //
 389 // Status Register 1
 390 //
 391 //
 392 // End of Cylinder
 393 //
 394 #define STS1_EN BIT7
 395
 396 //
 397 // BIT6 is unused
 398 //
 399 //
 400 // Data Error: The FDC detected a CRC error in either the ID field or
 401 // data field of a sector
 402 //
 403 #define STS1_DE BIT5
 404
 405 //
 406 // Overrun/Underrun: Becomes set if FDC does not receive CPU or DMA service
 407 // within the required time interval
 408 //
 409 #define STS1_OR BIT4
 410
 411 //
 412 // BIT3 is unused
 413 //
 414 //
 415 // No data
 416 //
 417 #define STS1_ND BIT2
 418
 419 //
 420 // Not Writable
 421 //
 422 #define STS1_NW BIT1
 423
 424 //
 425 // Missing Address Mark
 426 //
 427 #define STS1_MA BIT0
 428
 429 //
 430 // Control Mark
 431 //
 432 #define STS2_CM BIT6
 433
 434 //
 435 // Data Error in Data Field: The FDC detected a CRC error in the data field
 436 //
 437 #define STS2_DD BIT5
 438
 439 //
 440 // Wrong Cylinder: The track address from sector ID field is different from
 441 // the track address maintained inside FDC
 442 //
 443 #define STS2_WC BIT4
 444
 445 //
 446 // Bad Cylinder
 447 //
 448 #define STS2_BC BIT1
 449
 450 //
 451 // Missing Address Mark in Data Field
 452 //
 453 #define STS2_MD BIT0
 454
 455 //
 456 // Write Protected
 457 //
 458 #define STS3_WP BIT6
 459
 460 //
 461 // Track 0
 462 //
 463 #define STS3_T0 BIT4
 464
 465 //
 466 // Head Address
 467 //
 468 #define STS3_HD BIT2
 469
 470 //
 471 // STS3_US1 & STS3_US0 : Drive Select
 472 //
 473 #define STS3_US1  BIT1
 474 #define STS3_US0  BIT0
 475
 476 //
 477 // Status Register 0 Interrupt Code Description
 478 //
 479 //
 480 // Normal Termination of Command
 481 //
 482 #define IC_NT 0x0
 483
 484 //
 485 // Abnormal Termination of Command
 486 //
 487 #define IC_AT 0x40
 488
 489 //
 490 // Invalid Command
 491 //
 492 #define IC_IC 0x80
 493
 494 //
 495 // Abnormal Termination caused by Polling
 496 //
 497 #define IC_ATRC 0xC0
 498
 499 //
 500 // Global Variables
 501 //
 502 extern EFI_DRIVER_BINDING_PROTOCOL  gFdcControllerDriver;
 503
 504 //
 505 // EFI Driver Binding Protocol Functions
 506 //
 507 EFI_STATUS
 508 EFIAPI
 509 FdcControllerDriverSupported (
 510   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
 511   IN EFI_HANDLE                   Controller,
 512   IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
 513   )
 514 /*++
 515
 516 Routine Description:
 517
 518   GC_TODO: Add function description
 519
 520 Arguments:
 521
 522   This                - GC_TODO: add argument description
 523   Controller          - GC_TODO: add argument description
 524   RemainingDevicePath - GC_TODO: add argument description
 525
 526 Returns:
 527
 528   GC_TODO: add return values
 529
 530 --*/
 531 ;
 532
 533 EFI_STATUS
 534 EFIAPI
 535 FdcControllerDriverStart (
 536   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
 537   IN EFI_HANDLE                   Controller,
 538   IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
 539   )
 540 /*++
 541
 542 Routine Description:
 543
 544   GC_TODO: Add function description
 545
 546 Arguments:
 547
 548   This                - GC_TODO: add argument description
 549   Controller          - GC_TODO: add argument description
 550   RemainingDevicePath - GC_TODO: add argument description
 551
 552 Returns:
 553
 554   GC_TODO: add return values
 555
 556 --*/
 557 ;
 558
 559 EFI_STATUS
 560 EFIAPI
 561 FdcControllerDriverStop (
 562   IN EFI_DRIVER_BINDING_PROTOCOL  *This,
 563   IN EFI_HANDLE                   Controller,
 564   IN UINTN                        NumberOfChildren,
 565   IN EFI_HANDLE                   *ChildHandleBuffer
 566   )
 567 /*++
 568
 569 Routine Description:
 570
 571   GC_TODO: Add function description
 572
 573 Arguments:
 574
 575   This              - GC_TODO: add argument description
 576   Controller        - GC_TODO: add argument description
 577   NumberOfChildren  - GC_TODO: add argument description
 578   ChildHandleBuffer - GC_TODO: add argument description
 579
 580 Returns:
 581
 582   GC_TODO: add return values
 583
 584 --*/
 585 ;
 586
 587 //
 588 // EFI Block I/O Protocol Functions
 589 //
 590 EFI_STATUS
 591 EFIAPI
 592 FdcReset (
 593   IN EFI_BLOCK_IO_PROTOCOL  *This,
 594   IN BOOLEAN                ExtendedVerification
 595   )
 596 /*++
 597
 598 Routine Description:
 599
 600   GC_TODO: Add function description
 601
 602 Arguments:
 603
 604   This                  - GC_TODO: add argument description
 605   ExtendedVerification  - GC_TODO: add argument description
 606
 607 Returns:
 608
 609   GC_TODO: add return values
 610
 611 --*/
 612 ;
 613
 614 EFI_STATUS
 615 EFIAPI
 616 FddFlushBlocks (
 617   IN EFI_BLOCK_IO_PROTOCOL  *This
 618   )
 619 /*++
 620
 621 Routine Description:
 622
 623   GC_TODO: Add function description
 624
 625 Arguments:
 626
 627   This  - GC_TODO: add argument description
 628
 629 Returns:
 630
 631   GC_TODO: add return values
 632
 633 --*/
 634 ;
 635
 636 EFI_STATUS
 637 EFIAPI
 638 FddReadBlocks (
 639   IN  EFI_BLOCK_IO_PROTOCOL  *This,
 640   IN  UINT32                 MediaId,
 641   IN  EFI_LBA                LBA,
 642   IN  UINTN                  BufferSize,
 643   OUT VOID                   *Buffer
 644   )
 645 /*++
 646
 647 Routine Description:
 648
 649   GC_TODO: Add function description
 650
 651 Arguments:
 652
 653   This        - GC_TODO: add argument description
 654   MediaId     - GC_TODO: add argument description
 655   LBA         - GC_TODO: add argument description
 656   BufferSize  - GC_TODO: add argument description
 657   Buffer      - GC_TODO: add argument description
 658
 659 Returns:
 660
 661   GC_TODO: add return values
 662
 663 --*/
 664 ;
 665
 666 EFI_STATUS
 667 EFIAPI
 668 FddWriteBlocks (
 669   IN EFI_BLOCK_IO_PROTOCOL  *This,
 670   IN UINT32                 MediaId,
 671   IN EFI_LBA                LBA,
 672   IN UINTN                  BufferSize,
 673   IN VOID                   *Buffer
 674   )
 675 /*++
 676
 677 Routine Description:
 678
 679   GC_TODO: Add function description
 680
 681 Arguments:
 682
 683   This        - GC_TODO: add argument description
 684   MediaId     - GC_TODO: add argument description
 685   LBA         - GC_TODO: add argument description
 686   BufferSize  - GC_TODO: add argument description
 687   Buffer      - GC_TODO: add argument description
 688
 689 Returns:
 690
 691   GC_TODO: add return values
 692
 693 --*/
 694 ;
 695
 696 //
 697 // Prototypes of internal functions
 698 //
 699 EFI_STATUS
 700 DiscoverFddDevice (
 701   IN FDC_BLK_IO_DEV  *FdcDev
 702   )
 703 /*++
 704
 705 Routine Description:
 706
 707   GC_TODO: Add function description
 708
 709 Arguments:
 710
 711   FdcDev  - GC_TODO: add argument description
 712
 713 Returns:
 714
 715   GC_TODO: add return values
 716
 717 --*/
 718 ;
 719
 720 EFI_STATUS
 721 FddIdentify (
 722   IN FDC_BLK_IO_DEV  *FdcDev
 723   )
 724 /*++
 725
 726 Routine Description:
 727
 728   GC_TODO: Add function description
 729
 730 Arguments:
 731
 732   FdcDev  - GC_TODO: add argument description
 733
 734 Returns:
 735
 736   GC_TODO: add return values
 737
 738 --*/
 739 ;
 740
 741 EFI_STATUS
 742 FddReset (
 743   IN FDC_BLK_IO_DEV  *FdcDev
 744   )
 745 /*++
 746
 747 Routine Description:
 748
 749   GC_TODO: Add function description
 750
 751 Arguments:
 752
 753   FdcDev  - GC_TODO: add argument description
 754
 755 Returns:
 756
 757   GC_TODO: add return values
 758
 759 --*/
 760 ;
 761
 762 EFI_STATUS
 763 MotorOn (
 764   IN FDC_BLK_IO_DEV  *FdcDev
 765   )
 766 /*++
 767
 768 Routine Description:
 769
 770   GC_TODO: Add function description
 771
 772 Arguments:
 773
 774   FdcDev  - GC_TODO: add argument description
 775
 776 Returns:
 777
 778   GC_TODO: add return values
 779
 780 --*/
 781 ;
 782
 783 EFI_STATUS
 784 MotorOff (
 785   IN FDC_BLK_IO_DEV  *FdcDev
 786   )
 787 /*++
 788
 789 Routine Description:
 790
 791   GC_TODO: Add function description
 792
 793 Arguments:
 794
 795   FdcDev  - GC_TODO: add argument description
 796
 797 Returns:
 798
 799   GC_TODO: add return values
 800
 801 --*/
 802 ;
 803
 804 EFI_STATUS
 805 DisketChanged (
 806   IN FDC_BLK_IO_DEV  *FdcDev
 807   )
 808 /*++
 809
 810 Routine Description:
 811
 812   GC_TODO: Add function description
 813
 814 Arguments:
 815
 816   FdcDev  - GC_TODO: add argument description
 817
 818 Returns:
 819
 820   GC_TODO: add return values
 821
 822 --*/
 823 ;
 824
 825 EFI_STATUS
 826 Specify (
 827   IN FDC_BLK_IO_DEV  *FdcDev
 828   )
 829 /*++
 830
 831 Routine Description:
 832
 833   GC_TODO: Add function description
 834
 835 Arguments:
 836
 837   FdcDev  - GC_TODO: add argument description
 838
 839 Returns:
 840
 841   GC_TODO: add return values
 842
 843 --*/
 844 ;
 845
 846 EFI_STATUS
 847 Recalibrate (
 848   IN FDC_BLK_IO_DEV  *FdcDev
 849   )
 850 /*++
 851
 852 Routine Description:
 853
 854   GC_TODO: Add function description
 855
 856 Arguments:
 857
 858   FdcDev  - GC_TODO: add argument description
 859
 860 Returns:
 861
 862   GC_TODO: add return values
 863
 864 --*/
 865 ;
 866
 867 EFI_STATUS
 868 Seek (
 869   IN FDC_BLK_IO_DEV  *FdcDev,
 870   IN EFI_LBA         Lba
 871   )
 872 /*++
 873
 874 Routine Description:
 875
 876   GC_TODO: Add function description
 877
 878 Arguments:
 879
 880   FdcDev  - GC_TODO: add argument description
 881   Lba     - GC_TODO: add argument description
 882
 883 Returns:
 884
 885   GC_TODO: add return values
 886
 887 --*/
 888 ;
 889
 890 EFI_STATUS
 891 SenseIntStatus (
 892   IN     FDC_BLK_IO_DEV  *FdcDev,
 893   IN OUT UINT8           *StatusRegister0,
 894   IN OUT UINT8           *PresentCylinderNumber
 895   )
 896 /*++
 897
 898 Routine Description:
 899
 900   GC_TODO: Add function description
 901
 902 Arguments:
 903
 904   FdcDev                - GC_TODO: add argument description
 905   StatusRegister0       - GC_TODO: add argument description
 906   PresentCylinderNumber - GC_TODO: add argument description
 907
 908 Returns:
 909
 910   GC_TODO: add return values
 911
 912 --*/
 913 ;
 914
 915 EFI_STATUS
 916 SenseDrvStatus (
 917   IN FDC_BLK_IO_DEV  *FdcDev,
 918   IN EFI_LBA         Lba
 919   )
 920 /*++
 921
 922 Routine Description:
 923
 924   GC_TODO: Add function description
 925
 926 Arguments:
 927
 928   FdcDev  - GC_TODO: add argument description
 929   Lba     - GC_TODO: add argument description
 930
 931 Returns:
 932
 933   GC_TODO: add return values
 934
 935 --*/
 936 ;
 937
 938 EFI_STATUS
 939 DetectMedia (
 940   IN FDC_BLK_IO_DEV  *FdcDev
 941   )
 942 /*++
 943
 944 Routine Description:
 945
 946   GC_TODO: Add function description
 947
 948 Arguments:
 949
 950   FdcDev  - GC_TODO: add argument description
 951
 952 Returns:
 953
 954   GC_TODO: add return values
 955
 956 --*/
 957 ;
 958
 959 EFI_STATUS
 960 Setup (
 961   IN FDC_BLK_IO_DEV  *FdcDev
 962   )
 963 /*++
 964
 965 Routine Description:
 966
 967   GC_TODO: Add function description
 968
 969 Arguments:
 970
 971   FdcDev  - GC_TODO: add argument description
 972
 973 Returns:
 974
 975   GC_TODO: add return values
 976
 977 --*/
 978 ;
 979
 980 EFI_STATUS
 981 ReadWriteDataSector (
 982   IN FDC_BLK_IO_DEV  *FdcDev,
 983   IN VOID            *HostAddress,
 984   IN EFI_LBA         Lba,
 985   IN UINTN           NumberOfBlocks,
 986   IN BOOLEAN         Read
 987   )
 988 /*++
 989
 990 Routine Description:
 991
 992   GC_TODO: Add function description
 993
 994 Arguments:
 995
 996   FdcDev          - GC_TODO: add argument description
 997   HostAddress     - GC_TODO: add argument description
 998   Lba             - GC_TODO: add argument description
 999   NumberOfBlocks  - GC_TODO: add argument description
1000   Read            - GC_TODO: add argument description
1001
1002 Returns:
1003
1004   GC_TODO: add return values
1005
1006 --*/
1007 ;
1008
1009 VOID
1010 FillPara (
1011   IN FDC_BLK_IO_DEV       *FdcDev,
1012   IN EFI_LBA              Lba,
1013   IN FDD_COMMAND_PACKET1  *Command
1014   )
1015 /*++
1016
1017 Routine Description:
1018
1019   GC_TODO: Add function description
1020
1021 Arguments:
1022
1023   FdcDev  - GC_TODO: add argument description
1024   Lba     - GC_TODO: add argument description
1025   Command - GC_TODO: add argument description
1026
1027 Returns:
1028
1029   GC_TODO: add return values
1030
1031 --*/
1032 ;
1033
1034 EFI_STATUS
1035 DataInByte (
1036   IN FDC_BLK_IO_DEV  *FdcDev,
1037   IN UINT8           *Pointer
1038   )
1039 /*++
1040
1041 Routine Description:
1042
1043   GC_TODO: Add function description
1044
1045 Arguments:
1046
1047   FdcDev  - GC_TODO: add argument description
1048   Pointer - GC_TODO: add argument description
1049
1050 Returns:
1051
1052   GC_TODO: add return values
1053
1054 --*/
1055 ;
1056
1057 EFI_STATUS
1058 DataOutByte (
1059   IN FDC_BLK_IO_DEV  *FdcDev,
1060   IN UINT8           *Pointer
1061   )
1062 /*++
1063
1064 Routine Description:
1065
1066   GC_TODO: Add function description
1067
1068 Arguments:
1069
1070   FdcDev  - GC_TODO: add argument description
1071   Pointer - GC_TODO: add argument description
1072
1073 Returns:
1074
1075   GC_TODO: add return values
1076
1077 --*/
1078 ;
1079
1080 EFI_STATUS
1081 FddWaitForBSYClear (
1082   IN FDC_BLK_IO_DEV  *FdcDev,
1083   IN UINTN           TimeoutInSeconds
1084   )
1085 /*++
1086
1087 Routine Description:
1088
1089   GC_TODO: Add function description
1090
1091 Arguments:
1092
1093   FdcDev            - GC_TODO: add argument description
1094   TimeoutInSeconds  - GC_TODO: add argument description
1095
1096 Returns:
1097
1098   GC_TODO: add return values
1099
1100 --*/
1101 ;
1102
1103 EFI_STATUS
1104 FddDRQReady (
1105   IN FDC_BLK_IO_DEV  *FdcDev,
1106   IN BOOLEAN         Dio,
1107   IN UINTN           TimeoutInSeconds
1108   )
1109 /*++
1110
1111 Routine Description:
1112
1113   GC_TODO: Add function description
1114
1115 Arguments:
1116
1117   FdcDev            - GC_TODO: add argument description
1118   Dio               - GC_TODO: add argument description
1119   TimeoutInSeconds  - GC_TODO: add argument description
1120
1121 Returns:
1122
1123   GC_TODO: add return values
1124
1125 --*/
1126 ;
1127
1128 EFI_STATUS
1129 CheckResult (
1130   IN     FDD_RESULT_PACKET  *Result,
1131   IN OUT FDC_BLK_IO_DEV     *FdcDev
1132   )
1133 /*++
1134
1135 Routine Description:
1136
1137   GC_TODO: Add function description
1138
1139 Arguments:
1140
1141   Result  - GC_TODO: add argument description
1142   FdcDev  - GC_TODO: add argument description
1143
1144 Returns:
1145
1146   GC_TODO: add return values
1147
1148 --*/
1149 ;
1150
1151 EFI_STATUS
1152 CheckStatus3 (
1153   IN UINT8 StatusRegister3
1154   )
1155 /*++
1156
1157 Routine Description:
1158
1159   GC_TODO: Add function description
1160
1161 Arguments:
1162
1163   StatusRegister3 - GC_TODO: add argument description
1164
1165 Returns:
1166
1167   GC_TODO: add return values
1168
1169 --*/
1170 ;
1171
1172 UINTN
1173 GetTransferBlockCount (
1174   IN FDC_BLK_IO_DEV  *FdcDev,
1175   IN EFI_LBA         LBA,
1176   IN UINTN           NumberOfBlocks
1177   )
1178 /*++
1179
1180 Routine Description:
1181
1182   GC_TODO: Add function description
1183
1184 Arguments:
1185
1186   FdcDev          - GC_TODO: add argument description
1187   LBA             - GC_TODO: add argument description
1188   NumberOfBlocks  - GC_TODO: add argument description
1189
1190 Returns:
1191
1192   GC_TODO: add return values
1193
1194 --*/
1195 ;
1196
1197 VOID
1198 EFIAPI
1199 FddTimerProc (
1200   IN EFI_EVENT  Event,
1201   IN VOID       *Context
1202   )
1203 /*++
1204
1205 Routine Description:
1206
1207   GC_TODO: Add function description
1208
1209 Arguments:
1210
1211   Event   - GC_TODO: add argument description
1212   Context - GC_TODO: add argument description
1213
1214 Returns:
1215
1216   GC_TODO: add return values
1217
1218 --*/
1219 ;
1220
1221 UINT8
1222 FdcReadPort (
1223   IN FDC_BLK_IO_DEV  *FdcDev,
1224   IN UINT32          Offset
1225   )
1226 /*++
1227
1228 Routine Description:
1229
1230   GC_TODO: Add function description
1231
1232 Arguments:
1233
1234   FdcDev  - GC_TODO: add argument description
1235   Offset  - GC_TODO: add argument description
1236
1237 Returns:
1238
1239   GC_TODO: add return values
1240
1241 --*/
1242 ;
1243
1244 VOID
1245 FdcWritePort (
1246   IN FDC_BLK_IO_DEV  *FdcDev,
1247   IN UINT32          Offset,
1248   IN UINT8           Data
1249   )
1250 /*++
1251
1252 Routine Description:
1253
1254   GC_TODO: Add function description
1255
1256 Arguments:
1257
1258   FdcDev  - GC_TODO: add argument description
1259   Offset  - GC_TODO: add argument description
1260   Data    - GC_TODO: add argument description
1261
1262 Returns:
1263
1264   GC_TODO: add return values
1265
1266 --*/
1267 ;
1268
1269 EFI_STATUS
1270 FddReadWriteBlocks (
1271   IN  EFI_BLOCK_IO_PROTOCOL  *This,
1272   IN  UINT32                 MediaId,
1273   IN  EFI_LBA                LBA,
1274   IN  UINTN                  BufferSize,
1275   IN  BOOLEAN                Operation,
1276   OUT VOID                   *Buffer
1277   )
1278 /*++
1279
1280 Routine Description:
1281
1282   GC_TODO: Add function description
1283
1284 Arguments:
1285
1286   This        - GC_TODO: add argument description
1287   MediaId     - GC_TODO: add argument description
1288   LBA         - GC_TODO: add argument description
1289   BufferSize  - GC_TODO: add argument description
1290   Operation   - GC_TODO: add argument description
1291   Buffer      - GC_TODO: add argument description
1292
1293 Returns:
1294
1295   GC_TODO: add return values
1296
1297 --*/
1298 ;
1299
1300 VOID
1301 FdcFreeCache (
1302   IN    FDC_BLK_IO_DEV  *FdcDev
1303   )
1304 /*++
1305
1306 Routine Description:
1307
1308   GC_TODO: Add function description
1309
1310 Arguments:
1311
1312   FdcDev  - GC_TODO: add argument description
1313
1314 Returns:
1315
1316   GC_TODO: add return values
1317
1318 --*/
1319 ;
1320
1321 #endif