| f8cd287b |
1 | /**@file\r |
| 11f43dfd |
2 | Include for ISA Floppy Driver\r |
| 3 | Define the data structure and so on\r |
| f8cd287b |
4 | \r |
| 5 | Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r |
| 6 | All rights reserved. This program and the accompanying materials\r |
| 7 | are licensed and made available under the terms and conditions of the BSD License\r |
| 8 | which accompanies this distribution. The full text of the license may be found at\r |
| 9 | http://opensource.org/licenses/bsd-license.php\r |
| 11f43dfd |
10 | \r |
| f8cd287b |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 11f43dfd |
13 | \r |
| f8cd287b |
14 | **/\r |
| 11f43dfd |
15 | \r |
| 16 | #ifndef _ISA_FLOPPY_H\r |
| 17 | #define _ISA_FLOPPY_H\r |
| 18 | \r |
| 19 | #include <PiDxe.h>\r |
| 20 | #include <FrameworkPei.h>\r |
| ed7748fe |
21 | \r |
| 11f43dfd |
22 | #include <Protocol/BlockIo.h>\r |
| 23 | #include <Protocol/IsaIo.h>\r |
| 24 | #include <Protocol/DevicePath.h>\r |
| ed7748fe |
25 | \r |
| 11f43dfd |
26 | #include <Library/TimerLib.h>\r |
| 27 | #include <Library/DebugLib.h>\r |
| 28 | #include <Library/UefiDriverEntryPoint.h>\r |
| 29 | #include <Library/BaseLib.h>\r |
| 30 | #include <Library/UefiLib.h>\r |
| 31 | #include <Library/BaseMemoryLib.h>\r |
| 32 | #include <Library/MemoryAllocationLib.h>\r |
| 33 | #include <Library/UefiBootServicesTableLib.h>\r |
| 34 | #include <Library/ReportStatusCodeLib.h>\r |
| 35 | //\r |
| 36 | // Driver Binding Externs\r |
| 37 | //\r |
| f3d08ccf |
38 | extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;\r |
| 39 | extern EFI_COMPONENT_NAME_PROTOCOL gIsaFloppyComponentName;\r |
| 40 | extern EFI_COMPONENT_NAME2_PROTOCOL gIsaFloppyComponentName2;\r |
| 11f43dfd |
41 | \r |
| 42 | //\r |
| 43 | // define some value\r |
| 44 | //\r |
| 45 | #define STALL_1_SECOND 1000000\r |
| 46 | #define STALL_1_MSECOND 1000\r |
| 47 | \r |
| 48 | #define DATA_IN 1\r |
| 49 | #define DATA_OUT 0\r |
| 50 | #define READ 0\r |
| 51 | #define WRITE 1\r |
| 52 | \r |
| 53 | //\r |
| 54 | // Internal Data Structures\r |
| 55 | //\r |
| 56 | #define FDC_BLK_IO_DEV_SIGNATURE EFI_SIGNATURE_32 ('F', 'B', 'I', 'O')\r |
| 57 | #define FLOPPY_CONTROLLER_CONTEXT_SIGNATURE EFI_SIGNATURE_32 ('F', 'D', 'C', 'C')\r |
| 58 | \r |
| 59 | typedef enum {\r |
| 60 | FDC_DISK0 = 0,\r |
| 61 | FDC_DISK1 = 1,\r |
| 62 | FDC_MAX_DISK= 2\r |
| 63 | } EFI_FDC_DISK;\r |
| 64 | \r |
| 65 | typedef struct {\r |
| 66 | UINT32 Signature;\r |
| 67 | LIST_ENTRY Link;\r |
| 68 | BOOLEAN FddResetPerformed;\r |
| 69 | EFI_STATUS FddResetStatus;\r |
| 70 | BOOLEAN NeedRecalibrate;\r |
| 71 | UINT8 NumberOfDrive;\r |
| 72 | UINT16 BaseAddress;\r |
| 73 | } FLOPPY_CONTROLLER_CONTEXT;\r |
| 74 | \r |
| 75 | typedef struct {\r |
| 76 | UINTN Signature;\r |
| 77 | EFI_HANDLE Handle;\r |
| 78 | EFI_BLOCK_IO_PROTOCOL BlkIo;\r |
| 79 | EFI_BLOCK_IO_MEDIA BlkMedia;\r |
| 80 | \r |
| 81 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| 82 | \r |
| 83 | UINT16 BaseAddress;\r |
| 84 | \r |
| 85 | EFI_FDC_DISK Disk;\r |
| 86 | UINT8 PresentCylinderNumber;\r |
| 87 | UINT8 *Cache;\r |
| 88 | \r |
| 89 | EFI_EVENT Event;\r |
| 90 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r |
| 91 | FLOPPY_CONTROLLER_CONTEXT *ControllerState;\r |
| 92 | \r |
| 93 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
| 94 | } FDC_BLK_IO_DEV;\r |
| 95 | \r |
| 96 | #include "ComponentName.h"\r |
| 97 | \r |
| 98 | #define FDD_BLK_IO_FROM_THIS(a) CR (a, FDC_BLK_IO_DEV, BlkIo, FDC_BLK_IO_DEV_SIGNATURE)\r |
| 99 | #define FLOPPY_CONTROLLER_FROM_LIST_ENTRY(a) \\r |
| 100 | CR (a, \\r |
| 101 | FLOPPY_CONTROLLER_CONTEXT, \\r |
| 102 | Link, \\r |
| 103 | FLOPPY_CONTROLLER_CONTEXT_SIGNATURE \\r |
| 104 | )\r |
| 105 | \r |
| 106 | #define DISK_1440K_EOT 0x12\r |
| 107 | #define DISK_1440K_GPL 0x1b\r |
| 108 | #define DISK_1440K_DTL 0xff\r |
| 109 | #define DISK_1440K_NUMBER 0x02\r |
| 110 | #define DISK_1440K_MAXTRACKNUM 0x4f\r |
| 111 | #define DISK_1440K_BYTEPERSECTOR 512\r |
| 112 | \r |
| 113 | typedef struct {\r |
| 114 | UINT8 CommandCode;\r |
| 115 | UINT8 DiskHeadSel;\r |
| 116 | UINT8 Cylinder;\r |
| 117 | UINT8 Head;\r |
| 118 | UINT8 Sector;\r |
| 119 | UINT8 Number;\r |
| 120 | UINT8 EndOfTrack;\r |
| 121 | UINT8 GapLength;\r |
| 122 | UINT8 DataLength;\r |
| 123 | } FDD_COMMAND_PACKET1;\r |
| 124 | \r |
| 125 | typedef struct {\r |
| 126 | UINT8 CommandCode;\r |
| 127 | UINT8 DiskHeadSel;\r |
| 128 | } FDD_COMMAND_PACKET2;\r |
| 129 | \r |
| 130 | typedef struct {\r |
| 131 | UINT8 CommandCode;\r |
| 132 | UINT8 SrtHut;\r |
| 133 | UINT8 HltNd;\r |
| 134 | } FDD_SPECIFY_CMD;\r |
| 135 | \r |
| 136 | typedef struct {\r |
| 137 | UINT8 CommandCode;\r |
| 138 | UINT8 DiskHeadSel;\r |
| 139 | UINT8 NewCylinder;\r |
| 140 | } FDD_SEEK_CMD;\r |
| 141 | \r |
| 142 | typedef struct {\r |
| 143 | UINT8 CommandCode;\r |
| 144 | UINT8 DiskHeadSel;\r |
| 145 | UINT8 Cylinder;\r |
| 146 | UINT8 Head;\r |
| 147 | UINT8 Sector;\r |
| 148 | UINT8 EndOfTrack;\r |
| 149 | UINT8 GapLength;\r |
| 150 | UINT8 ScanTestPause;\r |
| 151 | } FDD_SCAN_CMD;\r |
| 152 | \r |
| 153 | typedef struct {\r |
| 154 | UINT8 Status0;\r |
| 155 | UINT8 Status1;\r |
| 156 | UINT8 Status2;\r |
| 157 | UINT8 C;\r |
| 158 | UINT8 H;\r |
| 159 | UINT8 S;\r |
| 160 | UINT8 Number;\r |
| 161 | } FDD_RESULT_PACKET;\r |
| 162 | \r |
| 163 | //\r |
| 164 | // FDC Registers\r |
| 165 | //\r |
| 166 | //\r |
| 167 | // 0x3F2 Digital Output Register\r |
| 168 | //\r |
| 169 | #define FDC_REGISTER_DOR 2\r |
| 170 | \r |
| 171 | //\r |
| 172 | // 0x3F4 Main Status Register\r |
| 173 | //\r |
| 174 | #define FDC_REGISTER_MSR 4\r |
| 175 | \r |
| 176 | //\r |
| 177 | // 0x3F5 Data Register\r |
| 178 | //\r |
| 179 | #define FDC_REGISTER_DTR 5\r |
| 180 | \r |
| 181 | //\r |
| 182 | // 0x3F7 Configuration Control Register(data rate select)\r |
| 183 | //\r |
| 184 | #define FDC_REGISTER_CCR 7\r |
| 185 | \r |
| 186 | //\r |
| 187 | // 0x3F7 Digital Input Register(diskchange)\r |
| 188 | //\r |
| 189 | #define FDC_REGISTER_DIR 7\r |
| 190 | \r |
| 191 | \r |
| 192 | \r |
| 193 | //\r |
| 194 | // FDC Register Bit Definitions\r |
| 195 | //\r |
| 196 | //\r |
| 197 | // Digital Out Register(WO)\r |
| 198 | //\r |
| 199 | //\r |
| 200 | // Select Drive: 0=A 1=B\r |
| 201 | //\r |
| 202 | #define SELECT_DRV BIT0\r |
| 203 | \r |
| 204 | //\r |
| 205 | // Reset FDC\r |
| 206 | //\r |
| 207 | #define RESET_FDC BIT2\r |
| 208 | \r |
| 209 | //\r |
| 210 | // Enable Int & DMA\r |
| 211 | //\r |
| 212 | #define INT_DMA_ENABLE BIT3\r |
| 213 | \r |
| 214 | //\r |
| 215 | // Turn On Drive A Motor\r |
| 216 | //\r |
| 217 | #define DRVA_MOTOR_ON BIT4\r |
| 218 | \r |
| 219 | //\r |
| 220 | // Turn On Drive B Motor\r |
| 221 | //\r |
| 222 | #define DRVB_MOTOR_ON BIT5\r |
| 223 | \r |
| 224 | //\r |
| 225 | // Main Status Register(RO)\r |
| 226 | //\r |
| 227 | //\r |
| 228 | // Drive A Busy\r |
| 229 | //\r |
| 230 | #define MSR_DAB BIT0\r |
| 231 | \r |
| 232 | //\r |
| 233 | // Drive B Busy\r |
| 234 | //\r |
| 235 | #define MSR_DBB BIT1\r |
| 236 | \r |
| 237 | //\r |
| 238 | // FDC Busy\r |
| 239 | //\r |
| 240 | #define MSR_CB BIT4\r |
| 241 | \r |
| 242 | //\r |
| 243 | // Non-DMA Mode\r |
| 244 | //\r |
| 245 | #define MSR_NDM BIT5\r |
| 246 | \r |
| 247 | //\r |
| 248 | // Data Input/Output\r |
| 249 | //\r |
| 250 | #define MSR_DIO BIT6\r |
| 251 | \r |
| 252 | //\r |
| 253 | // Request For Master\r |
| 254 | //\r |
| 255 | #define MSR_RQM BIT7\r |
| 256 | \r |
| 257 | //\r |
| 258 | // Configuration Control Register(WO)\r |
| 259 | //\r |
| 260 | //\r |
| 261 | // Data Rate select\r |
| 262 | //\r |
| 263 | #define CCR_DRC (BIT0 | BIT1)\r |
| 264 | \r |
| 265 | //\r |
| 266 | // Digital Input Register(RO)\r |
| 267 | //\r |
| 268 | //\r |
| 269 | // Disk change line\r |
| 270 | //\r |
| 271 | #define DIR_DCL BIT7\r |
| 272 | //\r |
| 273 | // #define CCR_DCL BIT7 // Diskette change\r |
| 274 | //\r |
| 275 | // 500K\r |
| 276 | //\r |
| 277 | #define DRC_500KBS 0x0\r |
| 278 | \r |
| 279 | //\r |
| 280 | // 300K\r |
| 281 | //\r |
| 282 | #define DRC_300KBS 0x01\r |
| 283 | \r |
| 284 | //\r |
| 285 | // 250K\r |
| 286 | //\r |
| 287 | #define DRC_250KBS 0x02\r |
| 288 | \r |
| 289 | //\r |
| 290 | // FDC Command Code\r |
| 291 | //\r |
| 292 | #define READ_DATA_CMD 0x06\r |
| 293 | #define WRITE_DATA_CMD 0x05\r |
| 294 | #define WRITE_DEL_DATA_CMD 0x09\r |
| 295 | #define READ_DEL_DATA_CMD 0x0C\r |
| 296 | #define READ_TRACK_CMD 0x02\r |
| 297 | #define READ_ID_CMD 0x0A\r |
| 298 | #define FORMAT_TRACK_CMD 0x0D\r |
| 299 | #define SCAN_EQU_CMD 0x11\r |
| 300 | #define SCAN_LOW_EQU_CMD 0x19\r |
| 301 | #define SCAN_HIGH_EQU_CMD 0x1D\r |
| 302 | #define SEEK_CMD 0x0F\r |
| 303 | #define RECALIBRATE_CMD 0x07\r |
| 304 | #define SENSE_INT_STATUS_CMD 0x08\r |
| 305 | #define SPECIFY_CMD 0x03\r |
| 306 | #define SENSE_DRV_STATUS_CMD 0x04\r |
| 307 | \r |
| 308 | //\r |
| 309 | // CMD_MT: Multi_Track Selector\r |
| 310 | // when set , this flag selects the multi-track operating mode.\r |
| 311 | // In this mode, the FDC treats a complete cylinder under head0 and 1\r |
| 312 | // as a single track\r |
| 313 | //\r |
| 314 | #define CMD_MT BIT7\r |
| 315 | \r |
| 316 | //\r |
| 317 | // CMD_MFM: MFM/FM Mode Selector\r |
| 318 | // A one selects the double density(MFM) mode\r |
| 319 | // A zero selects single density (FM) mode\r |
| 320 | //\r |
| 321 | #define CMD_MFM BIT6\r |
| 322 | \r |
| 323 | //\r |
| 324 | // CMD_SK: Skip Flag\r |
| 325 | // When set to 1, sectors containing a deleted data address mark will\r |
| 326 | // automatically be skipped during the execution of Read Data.\r |
| 327 | // When set to 0, the sector is read or written the same as the read and\r |
| 328 | // write commands.\r |
| 329 | //\r |
| 330 | #define CMD_SK BIT5\r |
| 331 | \r |
| 332 | //\r |
| 333 | // FDC Status Register Bit Definitions\r |
| 334 | //\r |
| 335 | //\r |
| 336 | // Status Register 0\r |
| 337 | //\r |
| 338 | //\r |
| 339 | // Interrupt Code\r |
| 340 | //\r |
| 341 | #define STS0_IC (BIT7 | BIT6)\r |
| 342 | \r |
| 343 | //\r |
| 344 | // Seek End: the FDC completed a seek or recalibrate command\r |
| 345 | //\r |
| 346 | #define STS0_SE BIT5\r |
| 347 | \r |
| 348 | //\r |
| 349 | // Equipment Check\r |
| 350 | //\r |
| 351 | #define STS0_EC BIT4\r |
| 352 | \r |
| 353 | //\r |
| 354 | // Not Ready(unused), this bit is always 0\r |
| 355 | //\r |
| 356 | #define STS0_NR BIT3\r |
| 357 | \r |
| 358 | //\r |
| 359 | // Head Address: the current head address\r |
| 360 | //\r |
| 361 | #define STS0_HA BIT2\r |
| 362 | \r |
| 363 | //\r |
| 364 | // STS0_US1 & STS0_US0: Drive Select(the current selected drive)\r |
| 365 | //\r |
| 366 | //\r |
| 367 | // Unit Select1\r |
| 368 | //\r |
| 369 | #define STS0_US1 BIT1\r |
| 370 | \r |
| 371 | //\r |
| 372 | // Unit Select0\r |
| 373 | //\r |
| 374 | #define STS0_US0 BIT0\r |
| 375 | \r |
| 376 | //\r |
| 377 | // Status Register 1\r |
| 378 | //\r |
| 379 | //\r |
| 380 | // End of Cylinder\r |
| 381 | //\r |
| 382 | #define STS1_EN BIT7\r |
| 383 | \r |
| 384 | //\r |
| 385 | // BIT6 is unused\r |
| 386 | //\r |
| 387 | //\r |
| 388 | // Data Error: The FDC detected a CRC error in either the ID field or\r |
| 389 | // data field of a sector\r |
| 390 | //\r |
| 391 | #define STS1_DE BIT5\r |
| 392 | \r |
| 393 | //\r |
| 394 | // Overrun/Underrun: Becomes set if FDC does not receive CPU or DMA service\r |
| 395 | // within the required time interval\r |
| 396 | //\r |
| 397 | #define STS1_OR BIT4\r |
| 398 | \r |
| 399 | //\r |
| 400 | // BIT3 is unused\r |
| 401 | //\r |
| 402 | //\r |
| 403 | // No data\r |
| 404 | //\r |
| 405 | #define STS1_ND BIT2\r |
| 406 | \r |
| 407 | //\r |
| 408 | // Not Writable\r |
| 409 | //\r |
| 410 | #define STS1_NW BIT1\r |
| 411 | \r |
| 412 | //\r |
| 413 | // Missing Address Mark\r |
| 414 | //\r |
| 415 | #define STS1_MA BIT0\r |
| 416 | \r |
| 417 | //\r |
| 418 | // Control Mark\r |
| 419 | //\r |
| 420 | #define STS2_CM BIT6\r |
| 421 | \r |
| 422 | //\r |
| 423 | // Data Error in Data Field: The FDC detected a CRC error in the data field\r |
| 424 | //\r |
| 425 | #define STS2_DD BIT5\r |
| 426 | \r |
| 427 | //\r |
| 428 | // Wrong Cylinder: The track address from sector ID field is different from\r |
| 429 | // the track address maintained inside FDC\r |
| 430 | //\r |
| 431 | #define STS2_WC BIT4\r |
| 432 | \r |
| 433 | //\r |
| 434 | // Bad Cylinder\r |
| 435 | //\r |
| 436 | #define STS2_BC BIT1\r |
| 437 | \r |
| 438 | //\r |
| 439 | // Missing Address Mark in Data Field\r |
| 440 | //\r |
| 441 | #define STS2_MD BIT0\r |
| 442 | \r |
| 443 | //\r |
| 444 | // Write Protected\r |
| 445 | //\r |
| 446 | #define STS3_WP BIT6\r |
| 447 | \r |
| 448 | //\r |
| 449 | // Track 0\r |
| 450 | //\r |
| 451 | #define STS3_T0 BIT4\r |
| 452 | \r |
| 453 | //\r |
| 454 | // Head Address\r |
| 455 | //\r |
| 456 | #define STS3_HD BIT2\r |
| 457 | \r |
| 458 | //\r |
| 459 | // STS3_US1 & STS3_US0 : Drive Select\r |
| 460 | //\r |
| 461 | #define STS3_US1 BIT1\r |
| 462 | #define STS3_US0 BIT0\r |
| 463 | \r |
| 464 | //\r |
| 465 | // Status Register 0 Interrupt Code Description\r |
| 466 | //\r |
| 467 | //\r |
| 468 | // Normal Termination of Command\r |
| 469 | //\r |
| 470 | #define IC_NT 0x0\r |
| 471 | \r |
| 472 | //\r |
| 473 | // Abnormal Termination of Command\r |
| 474 | //\r |
| 475 | #define IC_AT 0x40\r |
| 476 | \r |
| 477 | //\r |
| 478 | // Invalid Command\r |
| 479 | //\r |
| 480 | #define IC_IC 0x80\r |
| 481 | \r |
| 482 | //\r |
| 483 | // Abnormal Termination caused by Polling\r |
| 484 | //\r |
| 485 | #define IC_ATRC 0xC0\r |
| 486 | \r |
| 487 | //\r |
| 488 | // Global Variables\r |
| 489 | //\r |
| f3d08ccf |
490 | extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;\r |
| 11f43dfd |
491 | \r |
| 492 | //\r |
| 493 | // EFI Driver Binding Protocol Functions\r |
| 494 | //\r |
| bcd70414 |
495 | /**\r |
| 496 | Test controller is a Floppy Disk Controller\r |
| 497 | \r |
| 498 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r |
| 499 | @param Controller driver's controller\r |
| 500 | @param RemainingDevicePath children device path\r |
| 501 | \r |
| 502 | @retval EFI_UNSUPPORTED controller is not floppy disk\r |
| 503 | @retval EFI_SUCCESS controller is floppy disk\r |
| 504 | **/\r |
| 11f43dfd |
505 | EFI_STATUS\r |
| 506 | EFIAPI\r |
| 507 | FdcControllerDriverSupported (\r |
| 508 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 509 | IN EFI_HANDLE Controller,\r |
| 510 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
| 511 | )\r |
| 11f43dfd |
512 | ;\r |
| 513 | \r |
| bcd70414 |
514 | /**\r |
| 515 | Create floppy control instance on controller.\r |
| 516 | \r |
| 517 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r |
| 518 | @param Controller driver controller handle\r |
| 519 | @param RemainingDevicePath Children's device path\r |
| 520 | \r |
| 521 | @retval whether success to create floppy control instance.\r |
| 522 | **/\r |
| 11f43dfd |
523 | EFI_STATUS\r |
| 524 | EFIAPI\r |
| 525 | FdcControllerDriverStart (\r |
| 526 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 527 | IN EFI_HANDLE Controller,\r |
| 528 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
| 529 | )\r |
| bcd70414 |
530 | ;\r |
| 11f43dfd |
531 | \r |
| bcd70414 |
532 | /**\r |
| 533 | Stop this driver on ControllerHandle. Support stoping any child handles\r |
| 534 | created by this driver.\r |
| 11f43dfd |
535 | \r |
| bcd70414 |
536 | @param This Protocol instance pointer.\r |
| fdb05fa3 |
537 | @param Controller Handle of device to stop driver on\r |
| bcd70414 |
538 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r |
| 539 | children is zero stop the entire bus driver.\r |
| 540 | @param ChildHandleBuffer List of Child Handles to Stop.\r |
| 11f43dfd |
541 | \r |
| bcd70414 |
542 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r |
| 543 | @retval other This driver was not removed from this device\r |
| 11f43dfd |
544 | \r |
| bcd70414 |
545 | **/\r |
| 11f43dfd |
546 | EFI_STATUS\r |
| 547 | EFIAPI\r |
| 548 | FdcControllerDriverStop (\r |
| 549 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 550 | IN EFI_HANDLE Controller,\r |
| 551 | IN UINTN NumberOfChildren,\r |
| 552 | IN EFI_HANDLE *ChildHandleBuffer\r |
| 553 | )\r |
| 11f43dfd |
554 | ;\r |
| 555 | \r |
| 556 | //\r |
| 557 | // EFI Block I/O Protocol Functions\r |
| 558 | //\r |
| bcd70414 |
559 | /**\r |
| 560 | Reset the Floppy Logic Drive, call the FddReset function \r |
| 561 | \r |
| 562 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| 563 | @param ExtendedVerification BOOLEAN: Indicate that the driver may perform a more \r |
| 564 | exhaustive verification operation of the device during \r |
| 565 | reset, now this par is ignored in this driver \r |
| 566 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r |
| 567 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly \r |
| 568 | and can not be reset\r |
| 569 | \r |
| 570 | **/\r |
| 11f43dfd |
571 | EFI_STATUS\r |
| 572 | EFIAPI\r |
| 573 | FdcReset (\r |
| 574 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| 575 | IN BOOLEAN ExtendedVerification\r |
| 576 | )\r |
| 11f43dfd |
577 | ;\r |
| 578 | \r |
| bcd70414 |
579 | /**\r |
| 580 | Flush block via fdd controller\r |
| 581 | \r |
| 582 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| 583 | @return EFI_SUCCESS\r |
| 584 | \r |
| 585 | **/\r |
| 11f43dfd |
586 | EFI_STATUS\r |
| 587 | EFIAPI\r |
| 588 | FddFlushBlocks (\r |
| 589 | IN EFI_BLOCK_IO_PROTOCOL *This\r |
| 590 | )\r |
| 11f43dfd |
591 | ;\r |
| 592 | \r |
| bcd70414 |
593 | /**\r |
| 594 | Read the requested number of blocks from the device \r |
| 595 | \r |
| 596 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| 597 | @param MediaId UINT32: The media id that the read request is for \r |
| 598 | @param LBA EFI_LBA: The starting logic block address to read from on the device\r |
| 599 | @param BufferSize UINTN: The size of the Buffer in bytes\r |
| 600 | @param Buffer VOID *: A pointer to the destination buffer for the data\r |
| 601 | \r |
| 602 | @retval EFI_SUCCESS: The data was read correctly from the device\r |
| 603 | @retval EFI_DEVICE_ERROR:The device reported an error while attempting to perform\r |
| 604 | the read operation\r |
| 605 | @retval EFI_NO_MEDIA: There is no media in the device\r |
| 606 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r |
| 607 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r |
| 608 | intrinsic block size of the device\r |
| 609 | @retval EFI_INVALID_PARAMETER:The read request contains LBAs that are not valid, \r |
| 610 | or the buffer is not on proper alignment \r |
| 611 | \r |
| 612 | **/\r |
| 11f43dfd |
613 | EFI_STATUS\r |
| 614 | EFIAPI\r |
| 615 | FddReadBlocks (\r |
| 616 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| 617 | IN UINT32 MediaId,\r |
| 618 | IN EFI_LBA LBA,\r |
| 619 | IN UINTN BufferSize,\r |
| 620 | OUT VOID *Buffer\r |
| 621 | )\r |
| 11f43dfd |
622 | ;\r |
| 623 | \r |
| bcd70414 |
624 | /**\r |
| 625 | Write a specified number of blocks to the device \r |
| 626 | \r |
| 627 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| 628 | @param MediaId UINT32: The media id that the write request is for \r |
| 629 | @param LBA EFI_LBA: The starting logic block address to be written\r |
| 630 | @param BufferSize UINTN: The size in bytes in Buffer\r |
| 631 | @param Buffer VOID *: A pointer to the source buffer for the data\r |
| 632 | \r |
| 633 | @retval EFI_SUCCESS: The data were written correctly to the device\r |
| 634 | @retval EFI_WRITE_PROTECTED: The device can not be written to \r |
| 635 | @retval EFI_NO_MEDIA: There is no media in the device\r |
| 636 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r |
| 637 | @retval EFI_DEVICE_ERROR: The device reported an error while attempting to perform \r |
| 638 | the write operation \r |
| 639 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r |
| 640 | intrinsic block size of the device\r |
| 641 | @retval EFI_INVALID_PARAMETER:The write request contains LBAs that are not valid, \r |
| 642 | or the buffer is not on proper alignment \r |
| 643 | **/\r |
| 11f43dfd |
644 | EFI_STATUS\r |
| 645 | EFIAPI\r |
| 646 | FddWriteBlocks (\r |
| 647 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| 648 | IN UINT32 MediaId,\r |
| 649 | IN EFI_LBA LBA,\r |
| 650 | IN UINTN BufferSize,\r |
| 651 | IN VOID *Buffer\r |
| 652 | )\r |
| 11f43dfd |
653 | ;\r |
| 654 | \r |
| 655 | //\r |
| 656 | // Prototypes of internal functions\r |
| 657 | //\r |
| bcd70414 |
658 | /**\r |
| 659 | \r |
| 660 | Detect the floppy drive is presented or not\r |
| 661 | \r |
| 662 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| 663 | @retval EFI_SUCCESS Drive is presented\r |
| 664 | @retval EFI_NOT_FOUND Drive is not presented\r |
| 665 | \r |
| 666 | **/\r |
| 11f43dfd |
667 | EFI_STATUS\r |
| 668 | DiscoverFddDevice (\r |
| 669 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 670 | )\r |
| bcd70414 |
671 | ;\r |
| 11f43dfd |
672 | \r |
| bcd70414 |
673 | /**\r |
| 11f43dfd |
674 | \r |
| bcd70414 |
675 | Do recalibrate and see the drive is presented or not\r |
| 676 | Set the media parameters\r |
| 677 | \r |
| 678 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| 679 | @return the drive is presented or not\r |
| 11f43dfd |
680 | \r |
| bcd70414 |
681 | **/\r |
| 11f43dfd |
682 | EFI_STATUS\r |
| 683 | FddIdentify (\r |
| 684 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 685 | )\r |
| bcd70414 |
686 | ;\r |
| 11f43dfd |
687 | \r |
| bcd70414 |
688 | /**\r |
| 11f43dfd |
689 | \r |
| bcd70414 |
690 | Reset the Floppy Logic Drive\r |
| 691 | \r |
| 692 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| 693 | \r |
| 694 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r |
| 695 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly and\r |
| 696 | can not be reset\r |
| 11f43dfd |
697 | \r |
| bcd70414 |
698 | **/\r |
| 11f43dfd |
699 | EFI_STATUS\r |
| 700 | FddReset (\r |
| 701 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 702 | )\r |
| bcd70414 |
703 | ;\r |
| 11f43dfd |
704 | \r |
| bcd70414 |
705 | /**\r |
| 11f43dfd |
706 | \r |
| bcd70414 |
707 | Turn the drive's motor on\r |
| 708 | The drive's motor must be on before any command can be executed\r |
| 709 | \r |
| 710 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| 711 | \r |
| 712 | @retval EFI_SUCCESS: Turn the drive's motor on successfully\r |
| 713 | @retval EFI_DEVICE_ERROR: The drive is busy, so can not turn motor on\r |
| 714 | @retval EFI_INVALID_PARAMETER: Fail to Set timer(Cancel timer)\r |
| 11f43dfd |
715 | \r |
| bcd70414 |
716 | **/\r |
| 11f43dfd |
717 | EFI_STATUS\r |
| 718 | MotorOn (\r |
| 719 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 720 | )\r |
| bcd70414 |
721 | ;\r |
| 11f43dfd |
722 | \r |
| bcd70414 |
723 | /**\r |
| 11f43dfd |
724 | \r |
| bcd70414 |
725 | Set a Timer and when Timer goes off, turn the motor off\r |
| 726 | \r |
| 727 | \r |
| 728 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| 729 | \r |
| 730 | @retval EFI_SUCCESS: Set the Timer successfully\r |
| 731 | @retval EFI_INVALID_PARAMETER: Fail to Set the timer\r |
| 11f43dfd |
732 | \r |
| bcd70414 |
733 | **/\r |
| 11f43dfd |
734 | EFI_STATUS\r |
| 735 | MotorOff (\r |
| 736 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 737 | )\r |
| 11f43dfd |
738 | ;\r |
| 739 | \r |
| bcd70414 |
740 | /**\r |
| 741 | Detect the disk in the drive is changed or not\r |
| 742 | \r |
| 743 | \r |
| 744 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 745 | \r |
| 746 | @retval EFI_SUCCESS: No disk media change\r |
| 747 | @retval EFI_DEVICE_ERROR: Fail to do the recalibrate or seek operation\r |
| 748 | @retval EFI_NO_MEDIA: No disk in the drive\r |
| 749 | @retval EFI_MEDIA_CHANGED: There is a new disk in the drive\r |
| 750 | **/\r |
| 11f43dfd |
751 | EFI_STATUS\r |
| 752 | DisketChanged (\r |
| 753 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 754 | )\r |
| 11f43dfd |
755 | ;\r |
| 756 | \r |
| bcd70414 |
757 | /**\r |
| 758 | Do the Specify command, this command sets DMA operation\r |
| 759 | and the initial values for each of the three internal\r |
| 760 | times: HUT, SRT and HLT\r |
| 761 | \r |
| fdb05fa3 |
762 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| bcd70414 |
763 | \r |
| 764 | @retval EFI_SUCCESS: Execute the Specify command successfully\r |
| 765 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
| 766 | \r |
| 767 | **/\r |
| 11f43dfd |
768 | EFI_STATUS\r |
| 769 | Specify (\r |
| 770 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 771 | )\r |
| 11f43dfd |
772 | ;\r |
| 773 | \r |
| bcd70414 |
774 | /**\r |
| 775 | Set the head of floppy drive to track 0\r |
| 776 | \r |
| 777 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 778 | @retval EFI_SUCCESS: Execute the Recalibrate operation successfully\r |
| 779 | @retval EFI_DEVICE_ERROR: Fail to execute the Recalibrate operation\r |
| 780 | \r |
| 781 | **/\r |
| 11f43dfd |
782 | EFI_STATUS\r |
| 783 | Recalibrate (\r |
| 784 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 785 | )\r |
| 11f43dfd |
786 | ;\r |
| 787 | \r |
| bcd70414 |
788 | /**\r |
| 789 | Set the head of floppy drive to the new cylinder\r |
| 790 | \r |
| 791 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 792 | @param Lba EFI_LBA : The logic block address want to seek\r |
| 793 | \r |
| 794 | @retval EFI_SUCCESS: Execute the Seek operation successfully\r |
| 795 | @retval EFI_DEVICE_ERROR: Fail to execute the Seek operation\r |
| 796 | \r |
| 797 | **/\r |
| 11f43dfd |
798 | EFI_STATUS\r |
| 799 | Seek (\r |
| 800 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 801 | IN EFI_LBA Lba\r |
| 802 | )\r |
| 11f43dfd |
803 | ;\r |
| 804 | \r |
| bcd70414 |
805 | /**\r |
| 806 | Do the Sense Interrupt Status command, this command\r |
| 807 | resets the interrupt signal\r |
| 808 | \r |
| fdb05fa3 |
809 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| bcd70414 |
810 | @param StatusRegister0 UINT8 *: Be used to save Status Register 0 read from FDC\r |
| 811 | @param PresentCylinderNumber UINT8 *: Be used to save present cylinder number\r |
| 812 | read from FDC\r |
| 813 | \r |
| 814 | @retval EFI_SUCCESS: Execute the Sense Interrupt Status command successfully\r |
| 815 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
| 816 | \r |
| 817 | **/\r |
| 11f43dfd |
818 | EFI_STATUS\r |
| 819 | SenseIntStatus (\r |
| 820 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 821 | IN OUT UINT8 *StatusRegister0,\r |
| 822 | IN OUT UINT8 *PresentCylinderNumber\r |
| 823 | )\r |
| 11f43dfd |
824 | ;\r |
| 825 | \r |
| bcd70414 |
826 | /**\r |
| 827 | Do the Sense Drive Status command\r |
| 828 | \r |
| 829 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 830 | @param Lba EFI_LBA : Logic block address\r |
| 831 | \r |
| 832 | @retval EFI_SUCCESS: Execute the Sense Drive Status command successfully\r |
| 833 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
| 834 | @retval EFI_WRITE_PROTECTED:The disk is write protected\r |
| 835 | \r |
| 836 | **/\r |
| 11f43dfd |
837 | EFI_STATUS\r |
| 838 | SenseDrvStatus (\r |
| 839 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 840 | IN EFI_LBA Lba\r |
| 841 | )\r |
| 11f43dfd |
842 | ;\r |
| 843 | \r |
| bcd70414 |
844 | /**\r |
| 845 | Update the disk media properties and if necessary\r |
| 846 | reinstall Block I/O interface\r |
| 847 | \r |
| 848 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 849 | \r |
| 850 | @retval EFI_SUCCESS: Do the operation successfully\r |
| 851 | @retval EFI_DEVICE_ERROR: Fail to the operation\r |
| 852 | \r |
| 853 | **/\r |
| 11f43dfd |
854 | EFI_STATUS\r |
| 855 | DetectMedia (\r |
| 856 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 857 | )\r |
| 11f43dfd |
858 | ;\r |
| 859 | \r |
| bcd70414 |
860 | /**\r |
| 861 | Set the data rate and so on\r |
| 862 | \r |
| 863 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 864 | \r |
| 865 | @retval EFI_SUCCESS success to set the data rate\r |
| 866 | **/\r |
| 11f43dfd |
867 | EFI_STATUS\r |
| 868 | Setup (\r |
| 869 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 870 | )\r |
| 11f43dfd |
871 | ;\r |
| 872 | \r |
| bcd70414 |
873 | /**\r |
| 874 | Read or Write a number of blocks in the same cylinder\r |
| 875 | \r |
| 876 | @param FdcDev A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 877 | @param HostAddress device address \r |
| 878 | @param Lba The starting logic block address to read from on the device\r |
| 879 | @param NumberOfBlocks The number of block wanted to be read or write\r |
| 880 | @param Read Operation type: read or write\r |
| 881 | \r |
| 882 | @retval EFI_SUCCESS Success operate\r |
| 883 | \r |
| 884 | **/\r |
| 11f43dfd |
885 | EFI_STATUS\r |
| 886 | ReadWriteDataSector (\r |
| 887 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 888 | IN VOID *HostAddress,\r |
| 889 | IN EFI_LBA Lba,\r |
| 890 | IN UINTN NumberOfBlocks,\r |
| 891 | IN BOOLEAN Read\r |
| 892 | )\r |
| 11f43dfd |
893 | ;\r |
| 894 | \r |
| bcd70414 |
895 | /**\r |
| 896 | Fill in FDD command's parameter\r |
| 897 | \r |
| 898 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| 899 | @param Lba The starting logic block address to read from on the device\r |
| 900 | @param Command FDD command\r |
| 901 | \r |
| 902 | **/\r |
| 11f43dfd |
903 | VOID\r |
| 904 | FillPara (\r |
| 905 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 906 | IN EFI_LBA Lba,\r |
| 907 | IN FDD_COMMAND_PACKET1 *Command\r |
| 908 | )\r |
| 11f43dfd |
909 | ;\r |
| 910 | \r |
| bcd70414 |
911 | /**\r |
| 912 | Read result byte from Data Register of FDC\r |
| 913 | \r |
| 914 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| 915 | @param Pointer UINT8 *: Be used to save result byte read from FDC\r |
| 916 | \r |
| 917 | \r |
| 918 | @retval EFI_SUCCESS: Read result byte from FDC successfully\r |
| 919 | @retval EFI_DEVICE_ERROR: The FDC is not ready to be read\r |
| 920 | \r |
| 921 | **/\r |
| 11f43dfd |
922 | EFI_STATUS\r |
| 923 | DataInByte (\r |
| 924 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 925 | IN UINT8 *Pointer\r |
| 926 | )\r |
| 11f43dfd |
927 | ;\r |
| 928 | \r |
| bcd70414 |
929 | /**\r |
| 930 | Write command byte to Data Register of FDC\r |
| 931 | \r |
| 932 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| 933 | @param Pointer Be used to save command byte written to FDC\r |
| 934 | \r |
| 935 | @retval EFI_SUCCESS: Write command byte to FDC successfully\r |
| 936 | @retval EFI_DEVICE_ERROR: The FDC is not ready to be written\r |
| 937 | \r |
| 938 | **/\r |
| 11f43dfd |
939 | EFI_STATUS\r |
| 940 | DataOutByte (\r |
| 941 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 942 | IN UINT8 *Pointer\r |
| 943 | )\r |
| 11f43dfd |
944 | ;\r |
| 945 | \r |
| bcd70414 |
946 | /**\r |
| 947 | Detect the specified floppy logic drive is busy or\r |
| 948 | not within a period of time\r |
| 949 | \r |
| fdb05fa3 |
950 | @param FdcDev Indicate it is drive A or drive B\r |
| bcd70414 |
951 | @param TimeoutInSeconds the time period for waiting\r |
| 952 | \r |
| 953 | @retval EFI_SUCCESS: The drive and command are not busy\r |
| 954 | @retval EFI_TIMEOUT: The drive or command is still busy after a period time that\r |
| 955 | set by TimeoutInSeconds\r |
| 956 | \r |
| 957 | **/\r |
| 11f43dfd |
958 | EFI_STATUS\r |
| 959 | FddWaitForBSYClear (\r |
| 960 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 961 | IN UINTN TimeoutInSeconds\r |
| 962 | )\r |
| bcd70414 |
963 | ;\r |
| 11f43dfd |
964 | \r |
| bcd70414 |
965 | /**\r |
| 11f43dfd |
966 | \r |
| bcd70414 |
967 | Routine Description: Determine whether FDC is ready to write or read\r |
| 968 | \r |
| 969 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| 970 | @param Dio BOOLEAN: Indicate the FDC is waiting to write or read\r |
| 971 | @param TimeoutInSeconds UINTN: The time period for waiting\r |
| 972 | \r |
| 973 | @retval EFI_SUCCESS: FDC is ready to write or read\r |
| 974 | @retval EFI_NOT_READY: FDC is not ready within the specified time period\r |
| 11f43dfd |
975 | \r |
| bcd70414 |
976 | **/\r |
| 11f43dfd |
977 | EFI_STATUS\r |
| 978 | FddDRQReady (\r |
| 979 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 980 | IN BOOLEAN Dio,\r |
| 981 | IN UINTN TimeoutInSeconds\r |
| 982 | )\r |
| bcd70414 |
983 | ;\r |
| 11f43dfd |
984 | \r |
| bcd70414 |
985 | /**\r |
| 986 | Set FDC control structure's attribute according to\r |
| 987 | result \r |
| 11f43dfd |
988 | \r |
| bcd70414 |
989 | @param Result Point to result structure\r |
| 990 | @param FdcDev FDC control structure\r |
| 11f43dfd |
991 | \r |
| fdb05fa3 |
992 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 993 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 994 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 995 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| 11f43dfd |
996 | \r |
| bcd70414 |
997 | **/\r |
| 11f43dfd |
998 | EFI_STATUS\r |
| 999 | CheckResult (\r |
| 1000 | IN FDD_RESULT_PACKET *Result,\r |
| 1001 | IN OUT FDC_BLK_IO_DEV *FdcDev\r |
| 1002 | )\r |
| 11f43dfd |
1003 | ;\r |
| 1004 | \r |
| bcd70414 |
1005 | /**\r |
| 1006 | Check the drive status information\r |
| 1007 | \r |
| 1008 | @param StatusRegister3 the value of Status Register 3\r |
| 1009 | \r |
| 1010 | @retval EFI_SUCCESS The disk is not write protected\r |
| 1011 | @retval EFI_WRITE_PROTECTED: The disk is write protected\r |
| 1012 | \r |
| 1013 | **/\r |
| 11f43dfd |
1014 | EFI_STATUS\r |
| 1015 | CheckStatus3 (\r |
| 1016 | IN UINT8 StatusRegister3\r |
| 1017 | )\r |
| 11f43dfd |
1018 | ;\r |
| 1019 | \r |
| bcd70414 |
1020 | /**\r |
| 1021 | Calculate the number of block in the same cylinder\r |
| 1022 | according to LBA\r |
| 1023 | \r |
| 1024 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 1025 | @param LBA EFI_LBA: The starting logic block address\r |
| 1026 | @param NumberOfBlocks UINTN: The number of blocks\r |
| 1027 | \r |
| 1028 | @return The number of blocks in the same cylinder which the starting\r |
| 1029 | logic block address is LBA\r |
| 1030 | \r |
| 1031 | **/\r |
| 11f43dfd |
1032 | UINTN\r |
| 1033 | GetTransferBlockCount (\r |
| 1034 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 1035 | IN EFI_LBA LBA,\r |
| 1036 | IN UINTN NumberOfBlocks\r |
| 1037 | )\r |
| 11f43dfd |
1038 | ;\r |
| 1039 | \r |
| bcd70414 |
1040 | /**\r |
| 1041 | When the Timer(2s) off, turn the drive's motor off\r |
| 1042 | \r |
| 1043 | @param Event EFI_EVENT: Event(the timer) whose notification function is being\r |
| 1044 | invoked\r |
| 1045 | @param Context VOID *: Pointer to the notification function's context\r |
| 1046 | \r |
| 1047 | **/\r |
| 11f43dfd |
1048 | VOID\r |
| 1049 | EFIAPI\r |
| 1050 | FddTimerProc (\r |
| 1051 | IN EFI_EVENT Event,\r |
| 1052 | IN VOID *Context\r |
| 1053 | )\r |
| 11f43dfd |
1054 | ;\r |
| 1055 | \r |
| bcd70414 |
1056 | /**\r |
| 1057 | Read I/O port for FDC\r |
| 1058 | \r |
| 1059 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 1060 | @param Offset The offset address of port\r |
| 1061 | \r |
| 1062 | **/\r |
| 11f43dfd |
1063 | UINT8\r |
| 1064 | FdcReadPort (\r |
| 1065 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 1066 | IN UINT32 Offset\r |
| 1067 | )\r |
| 11f43dfd |
1068 | ;\r |
| 1069 | \r |
| bcd70414 |
1070 | /**\r |
| 1071 | Write I/O port for FDC\r |
| 1072 | \r |
| 1073 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| 1074 | @param Offset The offset address of port\r |
| fdb05fa3 |
1075 | @param Data Value written to port\r |
| 1076 | \r |
| bcd70414 |
1077 | **/\r |
| 11f43dfd |
1078 | VOID\r |
| 1079 | FdcWritePort (\r |
| 1080 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| 1081 | IN UINT32 Offset,\r |
| 1082 | IN UINT8 Data\r |
| 1083 | )\r |
| bcd70414 |
1084 | ;\r |
| 11f43dfd |
1085 | \r |
| bcd70414 |
1086 | /**\r |
| 1087 | Read or Write a number of blocks to floppy device\r |
| 11f43dfd |
1088 | \r |
| bcd70414 |
1089 | @param This Pointer to instance of EFI_BLOCK_IO_PROTOCOL\r |
| 1090 | @param MediaId The media id of read/write request\r |
| 1091 | @param LBA The starting logic block address to read from on the device\r |
| 1092 | @param BufferSize The size of the Buffer in bytes\r |
| 1093 | @param Operation - GC_TODO: add argument description\r |
| fdb05fa3 |
1094 | @param Buffer - GC_TODO: add argument description\r |
| 11f43dfd |
1095 | \r |
| bcd70414 |
1096 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
| 1097 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| 1098 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 1099 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 1100 | @retval EFI_NO_MEDIA - GC_TODO: Add description for return value\r |
| 1101 | @retval EFI_MEDIA_CHANGED - GC_TODO: Add description for return value\r |
| 1102 | @retval EFI_WRITE_PROTECTED - GC_TODO: Add description for return value\r |
| 1103 | @retval EFI_BAD_BUFFER_SIZE - GC_TODO: Add description for return value\r |
| 1104 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
| 1105 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
| 1106 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| 1107 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 1108 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| 1109 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| 11f43dfd |
1110 | \r |
| bcd70414 |
1111 | **/\r |
| 11f43dfd |
1112 | EFI_STATUS\r |
| 1113 | FddReadWriteBlocks (\r |
| 1114 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| 1115 | IN UINT32 MediaId,\r |
| 1116 | IN EFI_LBA LBA,\r |
| 1117 | IN UINTN BufferSize,\r |
| 1118 | IN BOOLEAN Operation,\r |
| 1119 | OUT VOID *Buffer\r |
| 1120 | )\r |
| 11f43dfd |
1121 | ;\r |
| 1122 | \r |
| bcd70414 |
1123 | /**\r |
| 1124 | Common interface for free cache \r |
| 1125 | \r |
| fdb05fa3 |
1126 | @param FdcDev Pointer of FDC_BLK_IO_DEV instance\r |
| bcd70414 |
1127 | \r |
| 1128 | **/\r |
| 11f43dfd |
1129 | VOID\r |
| 1130 | FdcFreeCache (\r |
| 1131 | IN FDC_BLK_IO_DEV *FdcDev\r |
| 1132 | )\r |
| 11f43dfd |
1133 | ;\r |
| 1134 | \r |
| 1135 | #endif\r |
| bcd70414 |
1136 | \r |
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