| | 1 | /** @file\r |
| | 2 | Include file for ISA Floppy Driver\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r |
| | 5 | All rights reserved. This program and the accompanying materials\r |
| | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| | 7 | which accompanies this distribution. The full text of the license may be found at\r |
| | 8 | http://opensource.org/licenses/bsd-license.php\r |
| | 9 | \r |
| | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| | 12 | \r |
| | 13 | **/\r |
| | 14 | \r |
| | 15 | #ifndef _ISA_FLOPPY_H_\r |
| | 16 | #define _ISA_FLOPPY_H_\r |
| | 17 | \r |
| | 18 | #include <Uefi.h>\r |
| | 19 | \r |
| | 20 | #include <Protocol/BlockIo.h>\r |
| | 21 | #include <Protocol/IsaIo.h>\r |
| | 22 | #include <Protocol/DevicePath.h>\r |
| | 23 | #include <Guid/StatusCodeDataTypeId.h>\r |
| | 24 | \r |
| | 25 | #include <Library/TimerLib.h>\r |
| | 26 | #include <Library/DebugLib.h>\r |
| | 27 | #include <Library/UefiDriverEntryPoint.h>\r |
| | 28 | #include <Library/BaseLib.h>\r |
| | 29 | #include <Library/UefiLib.h>\r |
| | 30 | #include <Library/BaseMemoryLib.h>\r |
| | 31 | #include <Library/MemoryAllocationLib.h>\r |
| | 32 | #include <Library/UefiBootServicesTableLib.h>\r |
| | 33 | #include <Library/ReportStatusCodeLib.h>\r |
| | 34 | #include <Library/PcdLib.h>\r |
| | 35 | \r |
| | 36 | extern EFI_DRIVER_BINDING_PROTOCOL gFdcControllerDriver;\r |
| | 37 | \r |
| | 38 | #define STALL_1_SECOND 1000000\r |
| | 39 | #define STALL_1_MSECOND 1000\r |
| | 40 | \r |
| | 41 | #define DATA_IN 1\r |
| | 42 | #define DATA_OUT 0\r |
| | 43 | #define READ 0\r |
| | 44 | #define WRITE 1\r |
| | 45 | \r |
| | 46 | //\r |
| | 47 | // Internal Data Structures\r |
| | 48 | //\r |
| | 49 | #define FDC_BLK_IO_DEV_SIGNATURE SIGNATURE_32 ('F', 'B', 'I', 'O')\r |
| | 50 | #define FLOPPY_CONTROLLER_CONTEXT_SIGNATURE SIGNATURE_32 ('F', 'D', 'C', 'C')\r |
| | 51 | \r |
| | 52 | typedef enum {\r |
| | 53 | FdcDisk0 = 0,\r |
| | 54 | FdcDisk1 = 1,\r |
| | 55 | FdcMaxDisk = 2\r |
| | 56 | } EFI_FDC_DISK;\r |
| | 57 | \r |
| | 58 | typedef struct {\r |
| | 59 | UINT32 Signature;\r |
| | 60 | LIST_ENTRY Link;\r |
| | 61 | BOOLEAN FddResetPerformed;\r |
| | 62 | EFI_STATUS FddResetStatus;\r |
| | 63 | BOOLEAN NeedRecalibrate;\r |
| | 64 | UINT8 NumberOfDrive;\r |
| | 65 | UINT16 BaseAddress;\r |
| | 66 | } FLOPPY_CONTROLLER_CONTEXT;\r |
| | 67 | \r |
| | 68 | typedef struct {\r |
| | 69 | UINTN Signature;\r |
| | 70 | EFI_HANDLE Handle;\r |
| | 71 | EFI_BLOCK_IO_PROTOCOL BlkIo;\r |
| | 72 | EFI_BLOCK_IO_MEDIA BlkMedia;\r |
| | 73 | \r |
| | 74 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| | 75 | \r |
| | 76 | UINT16 BaseAddress;\r |
| | 77 | \r |
| | 78 | EFI_FDC_DISK Disk;\r |
| | 79 | UINT8 PresentCylinderNumber;\r |
| | 80 | UINT8 *Cache;\r |
| | 81 | \r |
| | 82 | EFI_EVENT Event;\r |
| | 83 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r |
| | 84 | FLOPPY_CONTROLLER_CONTEXT *ControllerState;\r |
| | 85 | \r |
| | 86 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
| | 87 | } FDC_BLK_IO_DEV;\r |
| | 88 | \r |
| | 89 | #include "ComponentName.h"\r |
| | 90 | \r |
| | 91 | #define FDD_BLK_IO_FROM_THIS(a) CR (a, FDC_BLK_IO_DEV, BlkIo, FDC_BLK_IO_DEV_SIGNATURE)\r |
| | 92 | #define FLOPPY_CONTROLLER_FROM_LIST_ENTRY(a) \\r |
| | 93 | CR (a, \\r |
| | 94 | FLOPPY_CONTROLLER_CONTEXT, \\r |
| | 95 | Link, \\r |
| | 96 | FLOPPY_CONTROLLER_CONTEXT_SIGNATURE \\r |
| | 97 | )\r |
| | 98 | \r |
| | 99 | #define DISK_1440K_EOT 0x12\r |
| | 100 | #define DISK_1440K_GPL 0x1b\r |
| | 101 | #define DISK_1440K_DTL 0xff\r |
| | 102 | #define DISK_1440K_NUMBER 0x02\r |
| | 103 | #define DISK_1440K_MAXTRACKNUM 0x4f\r |
| | 104 | #define DISK_1440K_BYTEPERSECTOR 512\r |
| | 105 | \r |
| | 106 | typedef struct {\r |
| | 107 | UINT8 CommandCode;\r |
| | 108 | UINT8 DiskHeadSel;\r |
| | 109 | UINT8 Cylinder;\r |
| | 110 | UINT8 Head;\r |
| | 111 | UINT8 Sector;\r |
| | 112 | UINT8 Number;\r |
| | 113 | UINT8 EndOfTrack;\r |
| | 114 | UINT8 GapLength;\r |
| | 115 | UINT8 DataLength;\r |
| | 116 | } FDD_COMMAND_PACKET1;\r |
| | 117 | \r |
| | 118 | typedef struct {\r |
| | 119 | UINT8 CommandCode;\r |
| | 120 | UINT8 DiskHeadSel;\r |
| | 121 | } FDD_COMMAND_PACKET2;\r |
| | 122 | \r |
| | 123 | typedef struct {\r |
| | 124 | UINT8 CommandCode;\r |
| | 125 | UINT8 SrtHut;\r |
| | 126 | UINT8 HltNd;\r |
| | 127 | } FDD_SPECIFY_CMD;\r |
| | 128 | \r |
| | 129 | typedef struct {\r |
| | 130 | UINT8 CommandCode;\r |
| | 131 | UINT8 DiskHeadSel;\r |
| | 132 | UINT8 NewCylinder;\r |
| | 133 | } FDD_SEEK_CMD;\r |
| | 134 | \r |
| | 135 | typedef struct {\r |
| | 136 | UINT8 CommandCode;\r |
| | 137 | UINT8 DiskHeadSel;\r |
| | 138 | UINT8 Cylinder;\r |
| | 139 | UINT8 Head;\r |
| | 140 | UINT8 Sector;\r |
| | 141 | UINT8 EndOfTrack;\r |
| | 142 | UINT8 GapLength;\r |
| | 143 | UINT8 ScanTestPause;\r |
| | 144 | } FDD_SCAN_CMD;\r |
| | 145 | \r |
| | 146 | typedef struct {\r |
| | 147 | UINT8 Status0;\r |
| | 148 | UINT8 Status1;\r |
| | 149 | UINT8 Status2;\r |
| | 150 | UINT8 Cylinder;\r |
| | 151 | UINT8 Head;\r |
| | 152 | UINT8 Sector;\r |
| | 153 | UINT8 Number;\r |
| | 154 | } FDD_RESULT_PACKET;\r |
| | 155 | \r |
| | 156 | //\r |
| | 157 | // FDC Registers\r |
| | 158 | //\r |
| | 159 | //\r |
| | 160 | // Digital Output Register address offset\r |
| | 161 | //\r |
| | 162 | #define FDC_REGISTER_DOR 2\r |
| | 163 | \r |
| | 164 | //\r |
| | 165 | // Main Status Register address offset\r |
| | 166 | //\r |
| | 167 | #define FDC_REGISTER_MSR 4\r |
| | 168 | \r |
| | 169 | //\r |
| | 170 | // Data Register address offset\r |
| | 171 | //\r |
| | 172 | #define FDC_REGISTER_DTR 5\r |
| | 173 | \r |
| | 174 | //\r |
| | 175 | // Configuration Control Register(data rate select) address offset\r |
| | 176 | //\r |
| | 177 | #define FDC_REGISTER_CCR 7\r |
| | 178 | \r |
| | 179 | //\r |
| | 180 | // Digital Input Register(diskchange) address offset\r |
| | 181 | //\r |
| | 182 | #define FDC_REGISTER_DIR 7\r |
| | 183 | \r |
| | 184 | \r |
| | 185 | //\r |
| | 186 | // FDC Register Bit Definitions\r |
| | 187 | //\r |
| | 188 | //\r |
| | 189 | // Digital Out Register(WO)\r |
| | 190 | //\r |
| | 191 | //\r |
| | 192 | // Select Drive: 0=A 1=B\r |
| | 193 | //\r |
| | 194 | #define SELECT_DRV BIT0\r |
| | 195 | \r |
| | 196 | //\r |
| | 197 | // Reset FDC\r |
| | 198 | //\r |
| | 199 | #define RESET_FDC BIT2\r |
| | 200 | \r |
| | 201 | //\r |
| | 202 | // Enable Int & DMA\r |
| | 203 | //\r |
| | 204 | #define INT_DMA_ENABLE BIT3\r |
| | 205 | \r |
| | 206 | //\r |
| | 207 | // Turn On Drive A Motor\r |
| | 208 | //\r |
| | 209 | #define DRVA_MOTOR_ON BIT4\r |
| | 210 | \r |
| | 211 | //\r |
| | 212 | // Turn On Drive B Motor\r |
| | 213 | //\r |
| | 214 | #define DRVB_MOTOR_ON BIT5\r |
| | 215 | \r |
| | 216 | //\r |
| | 217 | // Main Status Register(RO)\r |
| | 218 | //\r |
| | 219 | //\r |
| | 220 | // Drive A Busy\r |
| | 221 | //\r |
| | 222 | #define MSR_DAB BIT0\r |
| | 223 | \r |
| | 224 | //\r |
| | 225 | // Drive B Busy\r |
| | 226 | //\r |
| | 227 | #define MSR_DBB BIT1\r |
| | 228 | \r |
| | 229 | //\r |
| | 230 | // FDC Busy\r |
| | 231 | //\r |
| | 232 | #define MSR_CB BIT4\r |
| | 233 | \r |
| | 234 | //\r |
| | 235 | // Non-DMA Mode\r |
| | 236 | //\r |
| | 237 | #define MSR_NDM BIT5\r |
| | 238 | \r |
| | 239 | //\r |
| | 240 | // Data Input/Output\r |
| | 241 | //\r |
| | 242 | #define MSR_DIO BIT6\r |
| | 243 | \r |
| | 244 | //\r |
| | 245 | // Request For Master\r |
| | 246 | //\r |
| | 247 | #define MSR_RQM BIT7\r |
| | 248 | \r |
| | 249 | //\r |
| | 250 | // Configuration Control Register(WO)\r |
| | 251 | //\r |
| | 252 | //\r |
| | 253 | // Data Rate select\r |
| | 254 | //\r |
| | 255 | #define CCR_DRC (BIT0 | BIT1)\r |
| | 256 | \r |
| | 257 | //\r |
| | 258 | // Digital Input Register(RO)\r |
| | 259 | //\r |
| | 260 | //\r |
| | 261 | // Disk change line\r |
| | 262 | //\r |
| | 263 | #define DIR_DCL BIT7\r |
| | 264 | //\r |
| | 265 | // #define CCR_DCL BIT7 // Diskette change\r |
| | 266 | //\r |
| | 267 | // 500K\r |
| | 268 | //\r |
| | 269 | #define DRC_500KBS 0x0\r |
| | 270 | \r |
| | 271 | //\r |
| | 272 | // 300K\r |
| | 273 | //\r |
| | 274 | #define DRC_300KBS 0x01\r |
| | 275 | \r |
| | 276 | //\r |
| | 277 | // 250K\r |
| | 278 | //\r |
| | 279 | #define DRC_250KBS 0x02\r |
| | 280 | \r |
| | 281 | //\r |
| | 282 | // FDC Command Code\r |
| | 283 | //\r |
| | 284 | #define READ_DATA_CMD 0x06\r |
| | 285 | #define WRITE_DATA_CMD 0x05\r |
| | 286 | #define WRITE_DEL_DATA_CMD 0x09\r |
| | 287 | #define READ_DEL_DATA_CMD 0x0C\r |
| | 288 | #define READ_TRACK_CMD 0x02\r |
| | 289 | #define READ_ID_CMD 0x0A\r |
| | 290 | #define FORMAT_TRACK_CMD 0x0D\r |
| | 291 | #define SCAN_EQU_CMD 0x11\r |
| | 292 | #define SCAN_LOW_EQU_CMD 0x19\r |
| | 293 | #define SCAN_HIGH_EQU_CMD 0x1D\r |
| | 294 | #define SEEK_CMD 0x0F\r |
| | 295 | #define RECALIBRATE_CMD 0x07\r |
| | 296 | #define SENSE_INT_STATUS_CMD 0x08\r |
| | 297 | #define SPECIFY_CMD 0x03\r |
| | 298 | #define SENSE_DRV_STATUS_CMD 0x04\r |
| | 299 | \r |
| | 300 | //\r |
| | 301 | // CMD_MT: Multi_Track Selector\r |
| | 302 | // when set , this flag selects the multi-track operating mode.\r |
| | 303 | // In this mode, the FDC treats a complete cylinder under head0 and 1\r |
| | 304 | // as a single track\r |
| | 305 | //\r |
| | 306 | #define CMD_MT BIT7\r |
| | 307 | \r |
| | 308 | //\r |
| | 309 | // CMD_MFM: MFM/FM Mode Selector\r |
| | 310 | // A one selects the double density(MFM) mode\r |
| | 311 | // A zero selects single density (FM) mode\r |
| | 312 | //\r |
| | 313 | #define CMD_MFM BIT6\r |
| | 314 | \r |
| | 315 | //\r |
| | 316 | // CMD_SK: Skip Flag\r |
| | 317 | // When set to 1, sectors containing a deleted data address mark will\r |
| | 318 | // automatically be skipped during the execution of Read Data.\r |
| | 319 | // When set to 0, the sector is read or written the same as the read and\r |
| | 320 | // write commands.\r |
| | 321 | //\r |
| | 322 | #define CMD_SK BIT5\r |
| | 323 | \r |
| | 324 | //\r |
| | 325 | // FDC Status Register Bit Definitions\r |
| | 326 | //\r |
| | 327 | //\r |
| | 328 | // Status Register 0\r |
| | 329 | //\r |
| | 330 | //\r |
| | 331 | // Interrupt Code\r |
| | 332 | //\r |
| | 333 | #define STS0_IC (BIT7 | BIT6)\r |
| | 334 | \r |
| | 335 | //\r |
| | 336 | // Seek End: the FDC completed a seek or recalibrate command\r |
| | 337 | //\r |
| | 338 | #define STS0_SE BIT5\r |
| | 339 | \r |
| | 340 | //\r |
| | 341 | // Equipment Check\r |
| | 342 | //\r |
| | 343 | #define STS0_EC BIT4\r |
| | 344 | \r |
| | 345 | //\r |
| | 346 | // Not Ready(unused), this bit is always 0\r |
| | 347 | //\r |
| | 348 | #define STS0_NR BIT3\r |
| | 349 | \r |
| | 350 | //\r |
| | 351 | // Head Address: the current head address\r |
| | 352 | //\r |
| | 353 | #define STS0_HA BIT2\r |
| | 354 | \r |
| | 355 | //\r |
| | 356 | // STS0_US1 & STS0_US0: Drive Select(the current selected drive)\r |
| | 357 | //\r |
| | 358 | //\r |
| | 359 | // Unit Select1\r |
| | 360 | //\r |
| | 361 | #define STS0_US1 BIT1\r |
| | 362 | \r |
| | 363 | //\r |
| | 364 | // Unit Select0\r |
| | 365 | //\r |
| | 366 | #define STS0_US0 BIT0\r |
| | 367 | \r |
| | 368 | //\r |
| | 369 | // Status Register 1\r |
| | 370 | //\r |
| | 371 | //\r |
| | 372 | // End of Cylinder\r |
| | 373 | //\r |
| | 374 | #define STS1_EN BIT7\r |
| | 375 | \r |
| | 376 | //\r |
| | 377 | // BIT6 is unused\r |
| | 378 | //\r |
| | 379 | //\r |
| | 380 | // Data Error: The FDC detected a CRC error in either the ID field or\r |
| | 381 | // data field of a sector\r |
| | 382 | //\r |
| | 383 | #define STS1_DE BIT5\r |
| | 384 | \r |
| | 385 | //\r |
| | 386 | // Overrun/Underrun: Becomes set if FDC does not receive CPU or DMA service\r |
| | 387 | // within the required time interval\r |
| | 388 | //\r |
| | 389 | #define STS1_OR BIT4\r |
| | 390 | \r |
| | 391 | //\r |
| | 392 | // BIT3 is unused\r |
| | 393 | //\r |
| | 394 | //\r |
| | 395 | // No data\r |
| | 396 | //\r |
| | 397 | #define STS1_ND BIT2\r |
| | 398 | \r |
| | 399 | //\r |
| | 400 | // Not Writable\r |
| | 401 | //\r |
| | 402 | #define STS1_NW BIT1\r |
| | 403 | \r |
| | 404 | //\r |
| | 405 | // Missing Address Mark\r |
| | 406 | //\r |
| | 407 | #define STS1_MA BIT0\r |
| | 408 | \r |
| | 409 | //\r |
| | 410 | // Control Mark\r |
| | 411 | //\r |
| | 412 | #define STS2_CM BIT6\r |
| | 413 | \r |
| | 414 | //\r |
| | 415 | // Data Error in Data Field: The FDC detected a CRC error in the data field\r |
| | 416 | //\r |
| | 417 | #define STS2_DD BIT5\r |
| | 418 | \r |
| | 419 | //\r |
| | 420 | // Wrong Cylinder: The track address from sector ID field is different from\r |
| | 421 | // the track address maintained inside FDC\r |
| | 422 | //\r |
| | 423 | #define STS2_WC BIT4\r |
| | 424 | \r |
| | 425 | //\r |
| | 426 | // Bad Cylinder\r |
| | 427 | //\r |
| | 428 | #define STS2_BC BIT1\r |
| | 429 | \r |
| | 430 | //\r |
| | 431 | // Missing Address Mark in Data Field\r |
| | 432 | //\r |
| | 433 | #define STS2_MD BIT0\r |
| | 434 | \r |
| | 435 | //\r |
| | 436 | // Write Protected\r |
| | 437 | //\r |
| | 438 | #define STS3_WP BIT6\r |
| | 439 | \r |
| | 440 | //\r |
| | 441 | // Track 0\r |
| | 442 | //\r |
| | 443 | #define STS3_T0 BIT4\r |
| | 444 | \r |
| | 445 | //\r |
| | 446 | // Head Address\r |
| | 447 | //\r |
| | 448 | #define STS3_HD BIT2\r |
| | 449 | \r |
| | 450 | //\r |
| | 451 | // STS3_US1 & STS3_US0 : Drive Select\r |
| | 452 | //\r |
| | 453 | #define STS3_US1 BIT1\r |
| | 454 | #define STS3_US0 BIT0\r |
| | 455 | \r |
| | 456 | //\r |
| | 457 | // Status Register 0 Interrupt Code Description\r |
| | 458 | //\r |
| | 459 | //\r |
| | 460 | // Normal Termination of Command\r |
| | 461 | //\r |
| | 462 | #define IC_NT 0x0\r |
| | 463 | \r |
| | 464 | //\r |
| | 465 | // Abnormal Termination of Command\r |
| | 466 | //\r |
| | 467 | #define IC_AT 0x40\r |
| | 468 | \r |
| | 469 | //\r |
| | 470 | // Invalid Command\r |
| | 471 | //\r |
| | 472 | #define IC_IC 0x80\r |
| | 473 | \r |
| | 474 | //\r |
| | 475 | // Abnormal Termination caused by Polling\r |
| | 476 | //\r |
| | 477 | #define IC_ATRC 0xC0\r |
| | 478 | \r |
| | 479 | //\r |
| | 480 | // EFI Driver Binding Protocol Functions\r |
| | 481 | //\r |
| | 482 | \r |
| | 483 | /**\r |
| | 484 | Test controller is a floppy disk drive device\r |
| | 485 | \r |
| | 486 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. \r |
| | 487 | @param[in] Controller The handle of the controller to test.\r |
| | 488 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path.\r |
| | 489 | \r |
| | 490 | @retval EFI_SUCCESS The device is supported by this driver.\r |
| | 491 | @retval EFI_ALREADY_STARTED The device is already being managed by this driver.\r |
| | 492 | @retval EFI_ACCESS_DENIED The device is already being managed by a different driver \r |
| | 493 | or an application that requires exclusive access.\r |
| | 494 | **/\r |
| | 495 | EFI_STATUS\r |
| | 496 | EFIAPI\r |
| | 497 | FdcControllerDriverSupported (\r |
| | 498 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| | 499 | IN EFI_HANDLE Controller,\r |
| | 500 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
| | 501 | );\r |
| | 502 | \r |
| | 503 | /**\r |
| | 504 | Start this driver on Controller.\r |
| | 505 | \r |
| | 506 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r |
| | 507 | @param[in] ControllerHandle The handle of the controller to start. This handle \r |
| | 508 | must support a protocol interface that supplies \r |
| | 509 | an I/O abstraction to the driver.\r |
| | 510 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. \r |
| | 511 | This parameter is ignored by device drivers, and is optional for bus drivers.\r |
| | 512 | \r |
| | 513 | @retval EFI_SUCCESS The device was started.\r |
| | 514 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.\r |
| | 515 | Currently not implemented.\r |
| | 516 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r |
| | 517 | @retval Others The driver failded to start the device.\r |
| | 518 | **/\r |
| | 519 | EFI_STATUS\r |
| | 520 | EFIAPI\r |
| | 521 | FdcControllerDriverStart (\r |
| | 522 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| | 523 | IN EFI_HANDLE Controller,\r |
| | 524 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
| | 525 | );\r |
| | 526 | \r |
| | 527 | /**\r |
| | 528 | Stop this driver on ControllerHandle.\r |
| | 529 | \r |
| | 530 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r |
| | 531 | @param[in] ControllerHandle A handle to the device being stopped. The handle must \r |
| | 532 | support a bus specific I/O protocol for the driver \r |
| | 533 | to use to stop the device.\r |
| | 534 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r |
| | 535 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL \r |
| | 536 | if NumberOfChildren is 0.\r |
| | 537 | \r |
| | 538 | @retval EFI_SUCCESS The device was stopped.\r |
| | 539 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r |
| | 540 | **/\r |
| | 541 | EFI_STATUS\r |
| | 542 | EFIAPI\r |
| | 543 | FdcControllerDriverStop (\r |
| | 544 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| | 545 | IN EFI_HANDLE Controller,\r |
| | 546 | IN UINTN NumberOfChildren,\r |
| | 547 | IN EFI_HANDLE *ChildHandleBuffer\r |
| | 548 | );\r |
| | 549 | \r |
| | 550 | //\r |
| | 551 | // EFI Block I/O Protocol Functions\r |
| | 552 | //\r |
| | 553 | \r |
| | 554 | /**\r |
| | 555 | Reset the Floppy Logic Drive, call the FddReset function. \r |
| | 556 | \r |
| | 557 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| | 558 | @param ExtendedVerification BOOLEAN: Indicate that the driver may perform a more \r |
| | 559 | exhaustive verification operation of the device during \r |
| | 560 | reset, now this par is ignored in this driver \r |
| | 561 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r |
| | 562 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly \r |
| | 563 | and can not be reset\r |
| | 564 | \r |
| | 565 | **/\r |
| | 566 | EFI_STATUS\r |
| | 567 | EFIAPI\r |
| | 568 | FdcReset (\r |
| | 569 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| | 570 | IN BOOLEAN ExtendedVerification\r |
| | 571 | );\r |
| | 572 | \r |
| | 573 | /**\r |
| | 574 | Flush block via fdd controller.\r |
| | 575 | \r |
| | 576 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| | 577 | @return EFI_SUCCESS\r |
| | 578 | \r |
| | 579 | **/\r |
| | 580 | EFI_STATUS\r |
| | 581 | EFIAPI\r |
| | 582 | FddFlushBlocks (\r |
| | 583 | IN EFI_BLOCK_IO_PROTOCOL *This\r |
| | 584 | );\r |
| | 585 | \r |
| | 586 | /**\r |
| | 587 | Read the requested number of blocks from the device. \r |
| | 588 | \r |
| | 589 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| | 590 | @param MediaId UINT32: The media id that the read request is for \r |
| | 591 | @param Lba EFI_LBA: The starting logic block address to read from on the device\r |
| | 592 | @param BufferSize UINTN: The size of the Buffer in bytes\r |
| | 593 | @param Buffer VOID *: A pointer to the destination buffer for the data\r |
| | 594 | \r |
| | 595 | @retval EFI_SUCCESS: The data was read correctly from the device\r |
| | 596 | @retval EFI_DEVICE_ERROR:The device reported an error while attempting to perform\r |
| | 597 | the read operation\r |
| | 598 | @retval EFI_NO_MEDIA: There is no media in the device\r |
| | 599 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r |
| | 600 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r |
| | 601 | intrinsic block size of the device\r |
| | 602 | @retval EFI_INVALID_PARAMETER:The read request contains LBAs that are not valid, \r |
| | 603 | or the buffer is not on proper alignment \r |
| | 604 | \r |
| | 605 | **/\r |
| | 606 | EFI_STATUS\r |
| | 607 | EFIAPI\r |
| | 608 | FddReadBlocks (\r |
| | 609 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| | 610 | IN UINT32 MediaId,\r |
| | 611 | IN EFI_LBA Lba,\r |
| | 612 | IN UINTN BufferSize,\r |
| | 613 | OUT VOID *Buffer\r |
| | 614 | );\r |
| | 615 | \r |
| | 616 | /**\r |
| | 617 | Write a specified number of blocks to the device. \r |
| | 618 | \r |
| | 619 | @param This EFI_BLOCK_IO *: A pointer to the Block I/O protocol interface\r |
| | 620 | @param MediaId UINT32: The media id that the write request is for \r |
| | 621 | @param Lba EFI_LBA: The starting logic block address to be written\r |
| | 622 | @param BufferSize UINTN: The size in bytes in Buffer\r |
| | 623 | @param Buffer VOID *: A pointer to the source buffer for the data\r |
| | 624 | \r |
| | 625 | @retval EFI_SUCCESS: The data were written correctly to the device\r |
| | 626 | @retval EFI_WRITE_PROTECTED: The device can not be written to \r |
| | 627 | @retval EFI_NO_MEDIA: There is no media in the device\r |
| | 628 | @retval EFI_MEDIA_CHANGED: The MediaId is not for the current media\r |
| | 629 | @retval EFI_DEVICE_ERROR: The device reported an error while attempting to perform \r |
| | 630 | the write operation \r |
| | 631 | @retval EFI_BAD_BUFFER_SIZE: The BufferSize parameter is not a multiple of the \r |
| | 632 | intrinsic block size of the device\r |
| | 633 | @retval EFI_INVALID_PARAMETER:The write request contains LBAs that are not valid, \r |
| | 634 | or the buffer is not on proper alignment \r |
| | 635 | **/\r |
| | 636 | EFI_STATUS\r |
| | 637 | EFIAPI\r |
| | 638 | FddWriteBlocks (\r |
| | 639 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| | 640 | IN UINT32 MediaId,\r |
| | 641 | IN EFI_LBA Lba,\r |
| | 642 | IN UINTN BufferSize,\r |
| | 643 | IN VOID *Buffer\r |
| | 644 | );\r |
| | 645 | \r |
| | 646 | //\r |
| | 647 | // Prototypes of internal functions\r |
| | 648 | //\r |
| | 649 | /**\r |
| | 650 | \r |
| | 651 | Detect the floppy drive is presented or not.\r |
| | 652 | \r |
| | 653 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| | 654 | @retval EFI_SUCCESS Drive is presented\r |
| | 655 | @retval EFI_NOT_FOUND Drive is not presented\r |
| | 656 | \r |
| | 657 | **/\r |
| | 658 | EFI_STATUS\r |
| | 659 | DiscoverFddDevice (\r |
| | 660 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 661 | );\r |
| | 662 | \r |
| | 663 | /**\r |
| | 664 | \r |
| | 665 | Do recalibrate and see the drive is presented or not.\r |
| | 666 | Set the media parameters.\r |
| | 667 | \r |
| | 668 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| | 669 | @return the drive is presented or not\r |
| | 670 | \r |
| | 671 | **/\r |
| | 672 | EFI_STATUS\r |
| | 673 | FddIdentify (\r |
| | 674 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 675 | );\r |
| | 676 | \r |
| | 677 | /**\r |
| | 678 | \r |
| | 679 | Reset the Floppy Logic Drive.\r |
| | 680 | \r |
| | 681 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| | 682 | \r |
| | 683 | @retval EFI_SUCCESS: The Floppy Logic Drive is reset\r |
| | 684 | @retval EFI_DEVICE_ERROR: The Floppy Logic Drive is not functioning correctly and\r |
| | 685 | can not be reset\r |
| | 686 | \r |
| | 687 | **/\r |
| | 688 | EFI_STATUS\r |
| | 689 | FddReset (\r |
| | 690 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 691 | );\r |
| | 692 | \r |
| | 693 | /**\r |
| | 694 | \r |
| | 695 | Turn the drive's motor on.\r |
| | 696 | The drive's motor must be on before any command can be executed.\r |
| | 697 | \r |
| | 698 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| | 699 | \r |
| | 700 | @retval EFI_SUCCESS: Turn the drive's motor on successfully\r |
| | 701 | @retval EFI_DEVICE_ERROR: The drive is busy, so can not turn motor on\r |
| | 702 | @retval EFI_INVALID_PARAMETER: Fail to Set timer(Cancel timer)\r |
| | 703 | \r |
| | 704 | **/\r |
| | 705 | EFI_STATUS\r |
| | 706 | MotorOn (\r |
| | 707 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 708 | );\r |
| | 709 | \r |
| | 710 | /**\r |
| | 711 | \r |
| | 712 | Set a Timer and when Timer goes off, turn the motor off.\r |
| | 713 | \r |
| | 714 | \r |
| | 715 | @param FdcDev FDC_BLK_IO_DEV * : A pointer to the Data Structure FDC_BLK_IO_DEV\r |
| | 716 | \r |
| | 717 | @retval EFI_SUCCESS: Set the Timer successfully\r |
| | 718 | @retval EFI_INVALID_PARAMETER: Fail to Set the timer\r |
| | 719 | \r |
| | 720 | **/\r |
| | 721 | EFI_STATUS\r |
| | 722 | MotorOff (\r |
| | 723 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 724 | );\r |
| | 725 | \r |
| | 726 | /**\r |
| | 727 | Detect the disk in the drive is changed or not.\r |
| | 728 | \r |
| | 729 | \r |
| | 730 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 731 | \r |
| | 732 | @retval EFI_SUCCESS: No disk media change\r |
| | 733 | @retval EFI_DEVICE_ERROR: Fail to do the recalibrate or seek operation\r |
| | 734 | @retval EFI_NO_MEDIA: No disk in the drive\r |
| | 735 | @retval EFI_MEDIA_CHANGED: There is a new disk in the drive\r |
| | 736 | **/\r |
| | 737 | EFI_STATUS\r |
| | 738 | DisketChanged (\r |
| | 739 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 740 | );\r |
| | 741 | \r |
| | 742 | /**\r |
| | 743 | Do the Specify command, this command sets DMA operation\r |
| | 744 | and the initial values for each of the three internal\r |
| | 745 | times: HUT, SRT and HLT.\r |
| | 746 | \r |
| | 747 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| | 748 | \r |
| | 749 | @retval EFI_SUCCESS: Execute the Specify command successfully\r |
| | 750 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
| | 751 | \r |
| | 752 | **/\r |
| | 753 | EFI_STATUS\r |
| | 754 | Specify (\r |
| | 755 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 756 | );\r |
| | 757 | \r |
| | 758 | /**\r |
| | 759 | Set the head of floppy drive to track 0.\r |
| | 760 | \r |
| | 761 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 762 | @retval EFI_SUCCESS: Execute the Recalibrate operation successfully\r |
| | 763 | @retval EFI_DEVICE_ERROR: Fail to execute the Recalibrate operation\r |
| | 764 | \r |
| | 765 | **/\r |
| | 766 | EFI_STATUS\r |
| | 767 | Recalibrate (\r |
| | 768 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 769 | );\r |
| | 770 | \r |
| | 771 | /**\r |
| | 772 | Set the head of floppy drive to the new cylinder.\r |
| | 773 | \r |
| | 774 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 775 | @param Lba EFI_LBA : The logic block address want to seek\r |
| | 776 | \r |
| | 777 | @retval EFI_SUCCESS: Execute the Seek operation successfully\r |
| | 778 | @retval EFI_DEVICE_ERROR: Fail to execute the Seek operation\r |
| | 779 | \r |
| | 780 | **/\r |
| | 781 | EFI_STATUS\r |
| | 782 | Seek (\r |
| | 783 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 784 | IN EFI_LBA Lba\r |
| | 785 | );\r |
| | 786 | \r |
| | 787 | /**\r |
| | 788 | Do the Sense Interrupt Status command, this command resets the interrupt signal.\r |
| | 789 | \r |
| | 790 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 791 | @param StatusRegister0 UINT8 *: Be used to save Status Register 0 read from FDC\r |
| | 792 | @param PresentCylinderNumber UINT8 *: Be used to save present cylinder number\r |
| | 793 | read from FDC\r |
| | 794 | \r |
| | 795 | @retval EFI_SUCCESS: Execute the Sense Interrupt Status command successfully\r |
| | 796 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
| | 797 | \r |
| | 798 | **/\r |
| | 799 | EFI_STATUS\r |
| | 800 | SenseIntStatus (\r |
| | 801 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 802 | IN OUT UINT8 *StatusRegister0,\r |
| | 803 | IN OUT UINT8 *PresentCylinderNumber\r |
| | 804 | );\r |
| | 805 | \r |
| | 806 | /**\r |
| | 807 | Do the Sense Drive Status command.\r |
| | 808 | \r |
| | 809 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 810 | @param Lba EFI_LBA : Logic block address\r |
| | 811 | \r |
| | 812 | @retval EFI_SUCCESS: Execute the Sense Drive Status command successfully\r |
| | 813 | @retval EFI_DEVICE_ERROR: Fail to execute the command\r |
| | 814 | @retval EFI_WRITE_PROTECTED:The disk is write protected\r |
| | 815 | \r |
| | 816 | **/\r |
| | 817 | EFI_STATUS\r |
| | 818 | SenseDrvStatus (\r |
| | 819 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 820 | IN EFI_LBA Lba\r |
| | 821 | );\r |
| | 822 | \r |
| | 823 | /**\r |
| | 824 | Update the disk media properties and if necessary reinstall Block I/O interface.\r |
| | 825 | \r |
| | 826 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 827 | \r |
| | 828 | @retval EFI_SUCCESS: Do the operation successfully\r |
| | 829 | @retval EFI_DEVICE_ERROR: Fail to the operation\r |
| | 830 | \r |
| | 831 | **/\r |
| | 832 | EFI_STATUS\r |
| | 833 | DetectMedia (\r |
| | 834 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 835 | );\r |
| | 836 | \r |
| | 837 | /**\r |
| | 838 | Set the data rate and so on.\r |
| | 839 | \r |
| | 840 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 841 | \r |
| | 842 | @retval EFI_SUCCESS success to set the data rate\r |
| | 843 | **/\r |
| | 844 | EFI_STATUS\r |
| | 845 | Setup (\r |
| | 846 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 847 | );\r |
| | 848 | \r |
| | 849 | /**\r |
| | 850 | Read or Write a number of blocks in the same cylinder.\r |
| | 851 | \r |
| | 852 | @param FdcDev A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 853 | @param HostAddress device address \r |
| | 854 | @param Lba The starting logic block address to read from on the device\r |
| | 855 | @param NumberOfBlocks The number of block wanted to be read or write\r |
| | 856 | @param Read Operation type: read or write\r |
| | 857 | \r |
| | 858 | @retval EFI_SUCCESS Success operate\r |
| | 859 | \r |
| | 860 | **/\r |
| | 861 | EFI_STATUS\r |
| | 862 | ReadWriteDataSector (\r |
| | 863 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 864 | IN VOID *HostAddress,\r |
| | 865 | IN EFI_LBA Lba,\r |
| | 866 | IN UINTN NumberOfBlocks,\r |
| | 867 | IN BOOLEAN Read\r |
| | 868 | );\r |
| | 869 | \r |
| | 870 | /**\r |
| | 871 | Fill in FDD command's parameter.\r |
| | 872 | \r |
| | 873 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| | 874 | @param Lba The starting logic block address to read from on the device\r |
| | 875 | @param Command FDD command\r |
| | 876 | \r |
| | 877 | **/\r |
| | 878 | VOID\r |
| | 879 | FillPara (\r |
| | 880 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 881 | IN EFI_LBA Lba,\r |
| | 882 | IN FDD_COMMAND_PACKET1 *Command\r |
| | 883 | );\r |
| | 884 | \r |
| | 885 | /**\r |
| | 886 | Read result byte from Data Register of FDC.\r |
| | 887 | \r |
| | 888 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| | 889 | @param Pointer Buffer to store the byte read from FDC\r |
| | 890 | \r |
| | 891 | @retval EFI_SUCCESS Read result byte from FDC successfully\r |
| | 892 | @retval EFI_DEVICE_ERROR The FDC is not ready to be read\r |
| | 893 | \r |
| | 894 | **/\r |
| | 895 | EFI_STATUS\r |
| | 896 | DataInByte (\r |
| | 897 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 898 | OUT UINT8 *Pointer\r |
| | 899 | );\r |
| | 900 | \r |
| | 901 | /**\r |
| | 902 | Write command byte to Data Register of FDC.\r |
| | 903 | \r |
| | 904 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| | 905 | @param Pointer Be used to save command byte written to FDC\r |
| | 906 | \r |
| | 907 | @retval EFI_SUCCESS: Write command byte to FDC successfully\r |
| | 908 | @retval EFI_DEVICE_ERROR: The FDC is not ready to be written\r |
| | 909 | \r |
| | 910 | **/\r |
| | 911 | EFI_STATUS\r |
| | 912 | DataOutByte (\r |
| | 913 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 914 | IN UINT8 *Pointer\r |
| | 915 | );\r |
| | 916 | \r |
| | 917 | /**\r |
| | 918 | Detect the specified floppy logic drive is busy or not within a period of time.\r |
| | 919 | \r |
| | 920 | @param FdcDev Indicate it is drive A or drive B\r |
| | 921 | @param TimeoutInSeconds the time period for waiting\r |
| | 922 | \r |
| | 923 | @retval EFI_SUCCESS: The drive and command are not busy\r |
| | 924 | @retval EFI_TIMEOUT: The drive or command is still busy after a period time that\r |
| | 925 | set by TimeoutInSeconds\r |
| | 926 | \r |
| | 927 | **/\r |
| | 928 | EFI_STATUS\r |
| | 929 | FddWaitForBSYClear (\r |
| | 930 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 931 | IN UINTN TimeoutInSeconds\r |
| | 932 | );\r |
| | 933 | \r |
| | 934 | /**\r |
| | 935 | Determine whether FDC is ready to write or read.\r |
| | 936 | \r |
| | 937 | @param FdcDev Pointer to instance of FDC_BLK_IO_DEV\r |
| | 938 | @param Dio BOOLEAN: Indicate the FDC is waiting to write or read\r |
| | 939 | @param TimeoutInSeconds UINTN: The time period for waiting\r |
| | 940 | \r |
| | 941 | @retval EFI_SUCCESS: FDC is ready to write or read\r |
| | 942 | @retval EFI_NOT_READY: FDC is not ready within the specified time period\r |
| | 943 | \r |
| | 944 | **/\r |
| | 945 | EFI_STATUS\r |
| | 946 | FddDRQReady (\r |
| | 947 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 948 | IN BOOLEAN Dio,\r |
| | 949 | IN UINTN TimeoutInSeconds\r |
| | 950 | );\r |
| | 951 | \r |
| | 952 | /**\r |
| | 953 | Set FDC control structure's attribute according to result.\r |
| | 954 | \r |
| | 955 | @param Result Point to result structure\r |
| | 956 | @param FdcDev FDC control structure\r |
| | 957 | \r |
| | 958 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 959 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 960 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 961 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| | 962 | \r |
| | 963 | **/\r |
| | 964 | EFI_STATUS\r |
| | 965 | CheckResult (\r |
| | 966 | IN FDD_RESULT_PACKET *Result,\r |
| | 967 | IN OUT FDC_BLK_IO_DEV *FdcDev\r |
| | 968 | );\r |
| | 969 | \r |
| | 970 | /**\r |
| | 971 | Check the drive status information.\r |
| | 972 | \r |
| | 973 | @param StatusRegister3 the value of Status Register 3\r |
| | 974 | \r |
| | 975 | @retval EFI_SUCCESS The disk is not write protected\r |
| | 976 | @retval EFI_WRITE_PROTECTED: The disk is write protected\r |
| | 977 | \r |
| | 978 | **/\r |
| | 979 | EFI_STATUS\r |
| | 980 | CheckStatus3 (\r |
| | 981 | IN UINT8 StatusRegister3\r |
| | 982 | );\r |
| | 983 | \r |
| | 984 | /**\r |
| | 985 | Calculate the number of block in the same cylinder according to Lba.\r |
| | 986 | \r |
| | 987 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 988 | @param Lba EFI_LBA: The starting logic block address\r |
| | 989 | @param NumberOfBlocks UINTN: The number of blocks\r |
| | 990 | \r |
| | 991 | @return The number of blocks in the same cylinder which the starting\r |
| | 992 | logic block address is Lba\r |
| | 993 | \r |
| | 994 | **/\r |
| | 995 | UINTN\r |
| | 996 | GetTransferBlockCount (\r |
| | 997 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 998 | IN EFI_LBA Lba,\r |
| | 999 | IN UINTN NumberOfBlocks\r |
| | 1000 | );\r |
| | 1001 | \r |
| | 1002 | /**\r |
| | 1003 | When the Timer(2s) off, turn the drive's motor off.\r |
| | 1004 | \r |
| | 1005 | @param Event EFI_EVENT: Event(the timer) whose notification function is being\r |
| | 1006 | invoked\r |
| | 1007 | @param Context VOID *: Pointer to the notification function's context\r |
| | 1008 | \r |
| | 1009 | **/\r |
| | 1010 | VOID\r |
| | 1011 | EFIAPI\r |
| | 1012 | FddTimerProc (\r |
| | 1013 | IN EFI_EVENT Event,\r |
| | 1014 | IN VOID *Context\r |
| | 1015 | );\r |
| | 1016 | \r |
| | 1017 | /**\r |
| | 1018 | Read I/O port for FDC.\r |
| | 1019 | \r |
| | 1020 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 1021 | @param Offset The offset address of port\r |
| | 1022 | \r |
| | 1023 | **/\r |
| | 1024 | UINT8\r |
| | 1025 | FdcReadPort (\r |
| | 1026 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 1027 | IN UINT32 Offset\r |
| | 1028 | );\r |
| | 1029 | \r |
| | 1030 | /**\r |
| | 1031 | Write I/O port for FDC.\r |
| | 1032 | \r |
| | 1033 | @param FdcDev FDC_BLK_IO_DEV *: A pointer to Data Structure FDC_BLK_IO_DEV\r |
| | 1034 | @param Offset The offset address of port\r |
| | 1035 | @param Data Value written to port\r |
| | 1036 | \r |
| | 1037 | **/\r |
| | 1038 | VOID\r |
| | 1039 | FdcWritePort (\r |
| | 1040 | IN FDC_BLK_IO_DEV *FdcDev,\r |
| | 1041 | IN UINT32 Offset,\r |
| | 1042 | IN UINT8 Data\r |
| | 1043 | );\r |
| | 1044 | \r |
| | 1045 | /**\r |
| | 1046 | Read or Write a number of blocks to floppy device.\r |
| | 1047 | \r |
| | 1048 | @param This Pointer to instance of EFI_BLOCK_IO_PROTOCOL\r |
| | 1049 | @param MediaId The media id of read/write request\r |
| | 1050 | @param Lba The starting logic block address to read from on the device\r |
| | 1051 | @param BufferSize The size of the Buffer in bytes\r |
| | 1052 | @param Operation - GC_TODO: add argument description\r |
| | 1053 | @param Buffer - GC_TODO: add argument description\r |
| | 1054 | \r |
| | 1055 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
| | 1056 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| | 1057 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 1058 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 1059 | @retval EFI_NO_MEDIA - GC_TODO: Add description for return value\r |
| | 1060 | @retval EFI_MEDIA_CHANGED - GC_TODO: Add description for return value\r |
| | 1061 | @retval EFI_WRITE_PROTECTED - GC_TODO: Add description for return value\r |
| | 1062 | @retval EFI_BAD_BUFFER_SIZE - GC_TODO: Add description for return value\r |
| | 1063 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
| | 1064 | @retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value\r |
| | 1065 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| | 1066 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 1067 | @retval EFI_DEVICE_ERROR - GC_TODO: Add description for return value\r |
| | 1068 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| | 1069 | \r |
| | 1070 | **/\r |
| | 1071 | EFI_STATUS\r |
| | 1072 | FddReadWriteBlocks (\r |
| | 1073 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
| | 1074 | IN UINT32 MediaId,\r |
| | 1075 | IN EFI_LBA Lba,\r |
| | 1076 | IN UINTN BufferSize,\r |
| | 1077 | IN BOOLEAN Operation,\r |
| | 1078 | OUT VOID *Buffer\r |
| | 1079 | );\r |
| | 1080 | \r |
| | 1081 | /**\r |
| | 1082 | Common interface for free cache. \r |
| | 1083 | \r |
| | 1084 | @param FdcDev Pointer of FDC_BLK_IO_DEV instance\r |
| | 1085 | \r |
| | 1086 | **/\r |
| | 1087 | VOID\r |
| | 1088 | FdcFreeCache (\r |
| | 1089 | IN FDC_BLK_IO_DEV *FdcDev\r |
| | 1090 | );\r |
| | 1091 | \r |
| | 1092 | #endif\r |
| | 1093 | \r |
projects / mirror_edk2.git / blame_incremental