projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 48555339 FT |
1 | /** @file\r |
| 2 | \r | |
| 3 | Provides some data structure definitions used by the SD/MMC host controller driver.\r | |
| 4 | \r | |
| 690d60c0 | 5 | Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.\r |
| c67617f3 | 6 | Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>\r |
| 9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 48555339 FT |
8 | \r |
| 9 | **/\r | |
| 10 | \r | |
| 11 | #ifndef _SD_MMC_PCI_HC_DXE_H_\r | |
| 12 | #define _SD_MMC_PCI_HC_DXE_H_\r | |
| 13 | \r | |
| 14 | #include <Uefi.h>\r | |
| 15 | \r | |
| 16 | #include <IndustryStandard/Pci.h>\r | |
| 17 | #include <IndustryStandard/Emmc.h>\r | |
| 18 | #include <IndustryStandard/Sd.h>\r | |
| 19 | \r | |
| 20 | #include <Library/UefiDriverEntryPoint.h>\r | |
| 21 | #include <Library/DebugLib.h>\r | |
| 22 | #include <Library/UefiBootServicesTableLib.h>\r | |
| 23 | #include <Library/BaseMemoryLib.h>\r | |
| 24 | #include <Library/MemoryAllocationLib.h>\r | |
| 25 | #include <Library/UefiLib.h>\r | |
| 26 | #include <Library/DevicePathLib.h>\r | |
| 27 | \r | |
| 28 | #include <Protocol/DevicePath.h>\r | |
| 29 | #include <Protocol/PciIo.h>\r | |
| 30 | #include <Protocol/DriverBinding.h>\r | |
| 31 | #include <Protocol/ComponentName.h>\r | |
| 32 | #include <Protocol/ComponentName2.h>\r | |
| b23fc39c | 33 | #include <Protocol/SdMmcOverride.h>\r |
| 48555339 FT |
34 | #include <Protocol/SdMmcPassThru.h>\r |
| 35 | \r | |
| 36 | #include "SdMmcPciHci.h"\r | |
| 37 | \r | |
| 38 | extern EFI_COMPONENT_NAME_PROTOCOL gSdMmcPciHcComponentName;\r | |
| 39 | extern EFI_COMPONENT_NAME2_PROTOCOL gSdMmcPciHcComponentName2;\r | |
| 40 | extern EFI_DRIVER_BINDING_PROTOCOL gSdMmcPciHcDriverBinding;\r | |
| 41 | \r | |
| b23fc39c AB |
42 | extern EDKII_SD_MMC_OVERRIDE *mOverride;\r |
| 43 | \r | |
| 48555339 FT |
44 | #define SD_MMC_HC_PRIVATE_SIGNATURE SIGNATURE_32 ('s', 'd', 't', 'f')\r |
| 45 | \r | |
| 46 | #define SD_MMC_HC_PRIVATE_FROM_THIS(a) \\r | |
| 47 | CR(a, SD_MMC_HC_PRIVATE_DATA, PassThru, SD_MMC_HC_PRIVATE_SIGNATURE)\r | |
| 48 | \r | |
| 49 | //\r | |
| 50 | // Generic time out value, 1 microsecond as unit.\r | |
| 51 | //\r | |
| 52 | #define SD_MMC_HC_GENERIC_TIMEOUT 1 * 1000 * 1000\r | |
| 53 | \r | |
| 54 | //\r | |
| 55 | // SD/MMC async transfer timer interval, set by experience.\r | |
| 56 | // The unit is 100us, takes 1ms as interval.\r | |
| 57 | //\r | |
| 58 | #define SD_MMC_HC_ASYNC_TIMER EFI_TIMER_PERIOD_MILLISECONDS(1)\r | |
| 59 | //\r | |
| 60 | // SD/MMC removable device enumeration timer interval, set by experience.\r | |
| 61 | // The unit is 100us, takes 100ms as interval.\r | |
| 62 | //\r | |
| 63 | #define SD_MMC_HC_ENUM_TIMER EFI_TIMER_PERIOD_MILLISECONDS(100)\r | |
| 64 | \r | |
| 65 | typedef enum {\r | |
| 66 | UnknownCardType,\r | |
| 67 | SdCardType,\r | |
| 68 | SdioCardType,\r | |
| 69 | MmcCardType,\r | |
| 70 | EmmcCardType\r | |
| 71 | } SD_MMC_CARD_TYPE;\r | |
| 72 | \r | |
| 73 | typedef enum {\r | |
| 74 | RemovableSlot,\r | |
| 75 | EmbeddedSlot,\r | |
| 76 | SharedBusSlot,\r | |
| 77 | UnknownSlot\r | |
| 78 | } EFI_SD_MMC_SLOT_TYPE;\r | |
| 79 | \r | |
| 80 | typedef struct {\r | |
| adec1f5d AM |
81 | BOOLEAN Enable;\r |
| 82 | EFI_SD_MMC_SLOT_TYPE SlotType;\r | |
| 83 | BOOLEAN MediaPresent;\r | |
| 84 | BOOLEAN Initialized;\r | |
| 85 | SD_MMC_CARD_TYPE CardType;\r | |
| 64362314 | 86 | UINT64 CurrentFreq;\r |
| adec1f5d | 87 | EDKII_SD_MMC_OPERATING_PARAMETERS OperatingParameters;\r |
| 48555339 FT |
88 | } SD_MMC_HC_SLOT;\r |
| 89 | \r | |
| 90 | typedef struct {\r | |
| 91 | UINTN Signature;\r | |
| 92 | \r | |
| 93 | EFI_HANDLE ControllerHandle;\r | |
| 94 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
| 95 | \r | |
| 96 | EFI_SD_MMC_PASS_THRU_PROTOCOL PassThru;\r | |
| 97 | \r | |
| 98 | UINT64 PciAttributes;\r | |
| 99 | //\r | |
| 100 | // The field is used to record the previous slot in GetNextSlot().\r | |
| 101 | //\r | |
| 102 | UINT8 PreviousSlot;\r | |
| 103 | //\r | |
| 104 | // For Non-blocking operation.\r | |
| 105 | //\r | |
| 106 | EFI_EVENT TimerEvent;\r | |
| 107 | //\r | |
| 108 | // For Sd removable device enumeration.\r | |
| 109 | //\r | |
| 110 | EFI_EVENT ConnectEvent;\r | |
| 111 | LIST_ENTRY Queue;\r | |
| 112 | \r | |
| 113 | SD_MMC_HC_SLOT Slot[SD_MMC_HC_MAX_SLOT];\r | |
| 114 | SD_MMC_HC_SLOT_CAP Capability[SD_MMC_HC_MAX_SLOT];\r | |
| 115 | UINT64 MaxCurrent[SD_MMC_HC_MAX_SLOT];\r | |
| b5547b9c | 116 | UINT16 ControllerVersion[SD_MMC_HC_MAX_SLOT];\r |
| 7f3b0bad MW |
117 | \r |
| 118 | //\r | |
| 119 | // Some controllers may require to override base clock frequency\r | |
| 120 | // value stored in Capabilities Register 1.\r | |
| 121 | //\r | |
| 122 | UINT32 BaseClkFreq[SD_MMC_HC_MAX_SLOT];\r | |
| 48555339 FT |
123 | } SD_MMC_HC_PRIVATE_DATA;\r |
| 124 | \r | |
| adec1f5d AM |
125 | typedef struct {\r |
| 126 | SD_MMC_BUS_MODE BusTiming;\r | |
| 127 | UINT8 BusWidth;\r | |
| 128 | UINT32 ClockFreq;\r | |
| 129 | EDKII_SD_MMC_DRIVER_STRENGTH DriverStrength;\r | |
| 130 | } SD_MMC_BUS_SETTINGS;\r | |
| 131 | \r | |
| 48555339 FT |
132 | #define SD_MMC_HC_TRB_SIG SIGNATURE_32 ('T', 'R', 'B', 'T')\r |
| 133 | \r | |
| c67617f3 AM |
134 | #define SD_MMC_TRB_RETRIES 5\r |
| 135 | \r | |
| 48555339 FT |
136 | //\r |
| 137 | // TRB (Transfer Request Block) contains information for the cmd request.\r | |
| 138 | //\r | |
| 139 | typedef struct {\r | |
| 140 | UINT32 Signature;\r | |
| 141 | LIST_ENTRY TrbList;\r | |
| 142 | \r | |
| 143 | UINT8 Slot;\r | |
| 144 | UINT16 BlockSize;\r | |
| 145 | \r | |
| 146 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;\r | |
| 147 | VOID *Data;\r | |
| 148 | UINT32 DataLen;\r | |
| 149 | BOOLEAN Read;\r | |
| 150 | EFI_PHYSICAL_ADDRESS DataPhy;\r | |
| 151 | VOID *DataMap;\r | |
| 152 | SD_MMC_HC_TRANSFER_MODE Mode;\r | |
| 690d60c0 | 153 | SD_MMC_HC_ADMA_LENGTH_MODE AdmaLengthMode;\r |
| 48555339 FT |
154 | \r |
| 155 | EFI_EVENT Event;\r | |
| 156 | BOOLEAN Started;\r | |
| 157 | UINT64 Timeout;\r | |
| c67617f3 | 158 | UINT32 Retries;\r |
| 48555339 | 159 | \r |
| b5547b9c | 160 | SD_MMC_HC_ADMA_32_DESC_LINE *Adma32Desc;\r |
| 690d60c0 AS |
161 | SD_MMC_HC_ADMA_64_V3_DESC_LINE *Adma64V3Desc;\r |
| 162 | SD_MMC_HC_ADMA_64_V4_DESC_LINE *Adma64V4Desc;\r | |
| 48555339 FT |
163 | EFI_PHYSICAL_ADDRESS AdmaDescPhy;\r |
| 164 | VOID *AdmaMap;\r | |
| 165 | UINT32 AdmaPages;\r | |
| 166 | \r | |
| 167 | SD_MMC_HC_PRIVATE_DATA *Private;\r | |
| 168 | } SD_MMC_HC_TRB;\r | |
| 169 | \r | |
| 170 | #define SD_MMC_HC_TRB_FROM_THIS(a) \\r | |
| 171 | CR(a, SD_MMC_HC_TRB, TrbList, SD_MMC_HC_TRB_SIG)\r | |
| 172 | \r | |
| 173 | //\r | |
| 174 | // Task for Non-blocking mode.\r | |
| 175 | //\r | |
| 176 | typedef struct {\r | |
| 177 | UINT32 Signature;\r | |
| 178 | LIST_ENTRY Link;\r | |
| 179 | \r | |
| 180 | UINT8 Slot;\r | |
| 181 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;\r | |
| 182 | BOOLEAN IsStart;\r | |
| 183 | EFI_EVENT Event;\r | |
| 184 | UINT64 RetryTimes;\r | |
| 185 | BOOLEAN InfiniteWait;\r | |
| 186 | VOID *Map;\r | |
| 187 | VOID *MapAddress;\r | |
| 188 | } SD_MMC_HC_QUEUE;\r | |
| 189 | \r | |
| 190 | //\r | |
| 191 | // Prototypes\r | |
| 192 | //\r | |
| 193 | /**\r | |
| 194 | Execute card identification procedure.\r | |
| 195 | \r | |
| 196 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 197 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 198 | \r | |
| 199 | @retval EFI_SUCCESS The card is identified correctly.\r | |
| 200 | @retval Others The card can't be identified.\r | |
| 201 | \r | |
| 202 | **/\r | |
| 203 | typedef\r | |
| 204 | EFI_STATUS\r | |
| 205 | (*CARD_TYPE_DETECT_ROUTINE) (\r | |
| 206 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 207 | IN UINT8 Slot\r | |
| 208 | );\r | |
| 209 | \r | |
| 210 | /**\r | |
| 211 | Sends SD command to an SD card that is attached to the SD controller.\r | |
| 212 | \r | |
| 213 | The PassThru() function sends the SD command specified by Packet to the SD card\r | |
| 214 | specified by Slot.\r | |
| 215 | \r | |
| 216 | If Packet is successfully sent to the SD card, then EFI_SUCCESS is returned.\r | |
| 217 | \r | |
| 218 | If a device error occurs while sending the Packet, then EFI_DEVICE_ERROR is returned.\r | |
| 219 | \r | |
| 220 | If Slot is not in a valid range for the SD controller, then EFI_INVALID_PARAMETER\r | |
| 221 | is returned.\r | |
| 222 | \r | |
| 223 | If Packet defines a data command but both InDataBuffer and OutDataBuffer are NULL,\r | |
| 224 | EFI_INVALID_PARAMETER is returned.\r | |
| 225 | \r | |
| 226 | @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
| 227 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 228 | @param[in,out] Packet A pointer to the SD command data structure.\r | |
| 229 | @param[in] Event If Event is NULL, blocking I/O is performed. If Event is\r | |
| 230 | not NULL, then nonblocking I/O is performed, and Event\r | |
| 231 | will be signaled when the Packet completes.\r | |
| 232 | \r | |
| 233 | @retval EFI_SUCCESS The SD Command Packet was sent by the host.\r | |
| 234 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SD\r | |
| 235 | command Packet.\r | |
| 236 | @retval EFI_INVALID_PARAMETER Packet, Slot, or the contents of the Packet is invalid.\r | |
| 237 | @retval EFI_INVALID_PARAMETER Packet defines a data command but both InDataBuffer and\r | |
| 238 | OutDataBuffer are NULL.\r | |
| 239 | @retval EFI_NO_MEDIA SD Device not present in the Slot.\r | |
| 240 | @retval EFI_UNSUPPORTED The command described by the SD Command Packet is not\r | |
| 241 | supported by the host controller.\r | |
| 242 | @retval EFI_BAD_BUFFER_SIZE The InTransferLength or OutTransferLength exceeds the\r | |
| 243 | limit supported by SD card ( i.e. if the number of bytes\r | |
| 244 | exceed the Last LBA).\r | |
| 245 | \r | |
| 246 | **/\r | |
| 247 | EFI_STATUS\r | |
| 248 | EFIAPI\r | |
| 249 | SdMmcPassThruPassThru (\r | |
| 250 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,\r | |
| 251 | IN UINT8 Slot,\r | |
| 252 | IN OUT EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet,\r | |
| 253 | IN EFI_EVENT Event OPTIONAL\r | |
| 254 | );\r | |
| 255 | \r | |
| 256 | /**\r | |
| 257 | Used to retrieve next slot numbers supported by the SD controller. The function\r | |
| 258 | returns information about all available slots (populated or not-populated).\r | |
| 259 | \r | |
| 260 | The GetNextSlot() function retrieves the next slot number on an SD controller.\r | |
| 261 | If on input Slot is 0xFF, then the slot number of the first slot on the SD controller\r | |
| 262 | is returned.\r | |
| 263 | \r | |
| 264 | If Slot is a slot number that was returned on a previous call to GetNextSlot(), then\r | |
| 265 | the slot number of the next slot on the SD controller is returned.\r | |
| 266 | \r | |
| 267 | If Slot is not 0xFF and Slot was not returned on a previous call to GetNextSlot(),\r | |
| 268 | EFI_INVALID_PARAMETER is returned.\r | |
| 269 | \r | |
| 270 | If Slot is the slot number of the last slot on the SD controller, then EFI_NOT_FOUND\r | |
| 271 | is returned.\r | |
| 272 | \r | |
| 273 | @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance.\r | |
| 274 | @param[in,out] Slot On input, a pointer to a slot number on the SD controller.\r | |
| 275 | On output, a pointer to the next slot number on the SD controller.\r | |
| 276 | An input value of 0xFF retrieves the first slot number on the SD\r | |
| 277 | controller.\r | |
| 278 | \r | |
| 279 | @retval EFI_SUCCESS The next slot number on the SD controller was returned in Slot.\r | |
| 280 | @retval EFI_NOT_FOUND There are no more slots on this SD controller.\r | |
| 281 | @retval EFI_INVALID_PARAMETER Slot is not 0xFF and Slot was not returned on a previous call\r | |
| 282 | to GetNextSlot().\r | |
| 283 | \r | |
| 284 | **/\r | |
| 285 | EFI_STATUS\r | |
| 286 | EFIAPI\r | |
| 287 | SdMmcPassThruGetNextSlot (\r | |
| 288 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,\r | |
| 289 | IN OUT UINT8 *Slot\r | |
| 290 | );\r | |
| 291 | \r | |
| 292 | /**\r | |
| 293 | Used to allocate and build a device path node for an SD card on the SD controller.\r | |
| 294 | \r | |
| 295 | The BuildDevicePath() function allocates and builds a single device node for the SD\r | |
| 296 | card specified by Slot.\r | |
| 297 | \r | |
| 298 | If the SD card specified by Slot is not present on the SD controller, then EFI_NOT_FOUND\r | |
| 299 | is returned.\r | |
| 300 | \r | |
| 301 | If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned.\r | |
| 302 | \r | |
| 303 | If there are not enough resources to allocate the device path node, then EFI_OUT_OF_RESOURCES\r | |
| 304 | is returned.\r | |
| 305 | \r | |
| 306 | Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of\r | |
| 307 | DevicePath are initialized to describe the SD card specified by Slot, and EFI_SUCCESS is\r | |
| 308 | returned.\r | |
| 309 | \r | |
| 310 | @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance.\r | |
| 311 | @param[in] Slot Specifies the slot number of the SD card for which a device\r | |
| 312 | path node is to be allocated and built.\r | |
| 313 | @param[in,out] DevicePath A pointer to a single device path node that describes the SD\r | |
| 314 | card specified by Slot. This function is responsible for\r | |
| 315 | allocating the buffer DevicePath with the boot service\r | |
| 316 | AllocatePool(). It is the caller's responsibility to free\r | |
| 317 | DevicePath when the caller is finished with DevicePath.\r | |
| 318 | \r | |
| 319 | @retval EFI_SUCCESS The device path node that describes the SD card specified by\r | |
| 320 | Slot was allocated and returned in DevicePath.\r | |
| 321 | @retval EFI_NOT_FOUND The SD card specified by Slot does not exist on the SD controller.\r | |
| 322 | @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r | |
| 323 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.\r | |
| 324 | \r | |
| 325 | **/\r | |
| 326 | EFI_STATUS\r | |
| 327 | EFIAPI\r | |
| 328 | SdMmcPassThruBuildDevicePath (\r | |
| 329 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,\r | |
| 330 | IN UINT8 Slot,\r | |
| 331 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
| 332 | );\r | |
| 333 | \r | |
| 334 | /**\r | |
| 335 | This function retrieves an SD card slot number based on the input device path.\r | |
| 336 | \r | |
| 337 | The GetSlotNumber() function retrieves slot number for the SD card specified by\r | |
| 338 | the DevicePath node. If DevicePath is NULL, EFI_INVALID_PARAMETER is returned.\r | |
| 339 | \r | |
| 340 | If DevicePath is not a device path node type that the SD Pass Thru driver supports,\r | |
| 341 | EFI_UNSUPPORTED is returned.\r | |
| 342 | \r | |
| 343 | @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
| 344 | @param[in] DevicePath A pointer to the device path node that describes a SD\r | |
| 345 | card on the SD controller.\r | |
| 346 | @param[out] Slot On return, points to the slot number of an SD card on\r | |
| 347 | the SD controller.\r | |
| 348 | \r | |
| 349 | @retval EFI_SUCCESS SD card slot number is returned in Slot.\r | |
| 350 | @retval EFI_INVALID_PARAMETER Slot or DevicePath is NULL.\r | |
| 351 | @retval EFI_UNSUPPORTED DevicePath is not a device path node type that the SD\r | |
| 352 | Pass Thru driver supports.\r | |
| 353 | \r | |
| 354 | **/\r | |
| 355 | EFI_STATUS\r | |
| 356 | EFIAPI\r | |
| 357 | SdMmcPassThruGetSlotNumber (\r | |
| 358 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,\r | |
| 359 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
| 360 | OUT UINT8 *Slot\r | |
| 361 | );\r | |
| 362 | \r | |
| 363 | /**\r | |
| 364 | Resets an SD card that is connected to the SD controller.\r | |
| 365 | \r | |
| 366 | The ResetDevice() function resets the SD card specified by Slot.\r | |
| 367 | \r | |
| 368 | If this SD controller does not support a device reset operation, EFI_UNSUPPORTED is\r | |
| 369 | returned.\r | |
| 370 | \r | |
| 371 | If Slot is not in a valid slot number for this SD controller, EFI_INVALID_PARAMETER\r | |
| 372 | is returned.\r | |
| 373 | \r | |
| 374 | If the device reset operation is completed, EFI_SUCCESS is returned.\r | |
| 375 | \r | |
| 376 | @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
| 377 | @param[in] Slot Specifies the slot number of the SD card to be reset.\r | |
| 378 | \r | |
| 379 | @retval EFI_SUCCESS The SD card specified by Slot was reset.\r | |
| 380 | @retval EFI_UNSUPPORTED The SD controller does not support a device reset operation.\r | |
| 381 | @retval EFI_INVALID_PARAMETER Slot number is invalid.\r | |
| 382 | @retval EFI_NO_MEDIA SD Device not present in the Slot.\r | |
| 383 | @retval EFI_DEVICE_ERROR The reset command failed due to a device error\r | |
| 384 | \r | |
| 385 | **/\r | |
| 386 | EFI_STATUS\r | |
| 387 | EFIAPI\r | |
| 388 | SdMmcPassThruResetDevice (\r | |
| 389 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,\r | |
| 390 | IN UINT8 Slot\r | |
| 391 | );\r | |
| 392 | \r | |
| 393 | //\r | |
| 394 | // Driver model protocol interfaces\r | |
| 395 | //\r | |
| 396 | /**\r | |
| 397 | Tests to see if this driver supports a given controller. If a child device is provided,\r | |
| 398 | it further tests to see if this driver supports creating a handle for the specified child device.\r | |
| 399 | \r | |
| 400 | This function checks to see if the driver specified by This supports the device specified by\r | |
| 401 | ControllerHandle. Drivers will typically use the device path attached to\r | |
| 402 | ControllerHandle and/or the services from the bus I/O abstraction attached to\r | |
| 403 | ControllerHandle to determine if the driver supports ControllerHandle. This function\r | |
| 404 | may be called many times during platform initialization. In order to reduce boot times, the tests\r | |
| 405 | performed by this function must be very small, and take as little time as possible to execute. This\r | |
| 406 | function must not change the state of any hardware devices, and this function must be aware that the\r | |
| 407 | device specified by ControllerHandle may already be managed by the same driver or a\r | |
| 408 | different driver. This function must match its calls to AllocatePages() with FreePages(),\r | |
| 409 | AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().\r | |
| 410 | Since ControllerHandle may have been previously started by the same driver, if a protocol is\r | |
| 411 | already in the opened state, then it must not be closed with CloseProtocol(). This is required\r | |
| 412 | to guarantee the state of ControllerHandle is not modified by this function.\r | |
| 413 | \r | |
| 414 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
| 415 | @param[in] ControllerHandle The handle of the controller to test. This handle\r | |
| 416 | must support a protocol interface that supplies\r | |
| 417 | an I/O abstraction to the driver.\r | |
| 418 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
| 419 | parameter is ignored by device drivers, and is optional for bus\r | |
| 420 | drivers. For bus drivers, if this parameter is not NULL, then\r | |
| 421 | the bus driver must determine if the bus controller specified\r | |
| 422 | by ControllerHandle and the child controller specified\r | |
| 423 | by RemainingDevicePath are both supported by this\r | |
| 424 | bus driver.\r | |
| 425 | \r | |
| 426 | @retval EFI_SUCCESS The device specified by ControllerHandle and\r | |
| 427 | RemainingDevicePath is supported by the driver specified by This.\r | |
| 428 | @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r | |
| 429 | RemainingDevicePath is already being managed by the driver\r | |
| 430 | specified by This.\r | |
| 431 | @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r | |
| 432 | RemainingDevicePath is already being managed by a different\r | |
| 433 | driver or an application that requires exclusive access.\r | |
| 434 | Currently not implemented.\r | |
| 435 | @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r | |
| 436 | RemainingDevicePath is not supported by the driver specified by This.\r | |
| 437 | **/\r | |
| 438 | EFI_STATUS\r | |
| 439 | EFIAPI\r | |
| 440 | SdMmcPciHcDriverBindingSupported (\r | |
| 441 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 442 | IN EFI_HANDLE Controller,\r | |
| 443 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 444 | );\r | |
| 445 | \r | |
| 446 | /**\r | |
| 447 | Starts a device controller or a bus controller.\r | |
| 448 | \r | |
| 449 | The Start() function is designed to be invoked from the EFI boot service ConnectController().\r | |
| 450 | As a result, much of the error checking on the parameters to Start() has been moved into this\r | |
| 451 | common boot service. It is legal to call Start() from other locations,\r | |
| 452 | but the following calling restrictions must be followed or the system behavior will not be deterministic.\r | |
| 453 | 1. ControllerHandle must be a valid EFI_HANDLE.\r | |
| 454 | 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned\r | |
| 455 | EFI_DEVICE_PATH_PROTOCOL.\r | |
| 456 | 3. Prior to calling Start(), the Supported() function for the driver specified by This must\r | |
| 457 | have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.\r | |
| 458 | \r | |
| 459 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
| 460 | @param[in] ControllerHandle The handle of the controller to start. This handle\r | |
| 461 | must support a protocol interface that supplies\r | |
| 462 | an I/O abstraction to the driver.\r | |
| 463 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
| 464 | parameter is ignored by device drivers, and is optional for bus\r | |
| 465 | drivers. For a bus driver, if this parameter is NULL, then handles\r | |
| 466 | for all the children of Controller are created by this driver.\r | |
| 467 | If this parameter is not NULL and the first Device Path Node is\r | |
| 468 | not the End of Device Path Node, then only the handle for the\r | |
| 469 | child device specified by the first Device Path Node of\r | |
| 470 | RemainingDevicePath is created by this driver.\r | |
| 471 | If the first Device Path Node of RemainingDevicePath is\r | |
| 472 | the End of Device Path Node, no child handle is created by this\r | |
| 473 | driver.\r | |
| 474 | \r | |
| 475 | @retval EFI_SUCCESS The device was started.\r | |
| 476 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.\r | |
| 477 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
| 478 | @retval Others The driver failded to start the device.\r | |
| 479 | \r | |
| 480 | **/\r | |
| 481 | EFI_STATUS\r | |
| 482 | EFIAPI\r | |
| 483 | SdMmcPciHcDriverBindingStart (\r | |
| 484 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 485 | IN EFI_HANDLE Controller,\r | |
| 486 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 487 | );\r | |
| 488 | \r | |
| 489 | /**\r | |
| 490 | Stops a device controller or a bus controller.\r | |
| 491 | \r | |
| 492 | The Stop() function is designed to be invoked from the EFI boot service DisconnectController().\r | |
| 493 | As a result, much of the error checking on the parameters to Stop() has been moved\r | |
| 494 | into this common boot service. It is legal to call Stop() from other locations,\r | |
| 495 | but the following calling restrictions must be followed or the system behavior will not be deterministic.\r | |
| 496 | 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this\r | |
| 497 | same driver's Start() function.\r | |
| 498 | 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid\r | |
| 499 | EFI_HANDLE. In addition, all of these handles must have been created in this driver's\r | |
| 500 | Start() function, and the Start() function must have called OpenProtocol() on\r | |
| 501 | ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
| 502 | \r | |
| 503 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
| 504 | @param[in] ControllerHandle A handle to the device being stopped. The handle must\r | |
| 505 | support a bus specific I/O protocol for the driver\r | |
| 506 | to use to stop the device.\r | |
| 507 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
| 508 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
| 509 | if NumberOfChildren is 0.\r | |
| 510 | \r | |
| 511 | @retval EFI_SUCCESS The device was stopped.\r | |
| 512 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
| 513 | \r | |
| 514 | **/\r | |
| 515 | EFI_STATUS\r | |
| 516 | EFIAPI\r | |
| 517 | SdMmcPciHcDriverBindingStop (\r | |
| 518 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 519 | IN EFI_HANDLE Controller,\r | |
| 520 | IN UINTN NumberOfChildren,\r | |
| 521 | IN EFI_HANDLE *ChildHandleBuffer\r | |
| 522 | );\r | |
| 523 | \r | |
| 524 | //\r | |
| 525 | // EFI Component Name Functions\r | |
| 526 | //\r | |
| 527 | /**\r | |
| 528 | Retrieves a Unicode string that is the user readable name of the driver.\r | |
| 529 | \r | |
| 530 | This function retrieves the user readable name of a driver in the form of a\r | |
| 531 | Unicode string. If the driver specified by This has a user readable name in\r | |
| 532 | the language specified by Language, then a pointer to the driver name is\r | |
| 533 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r | |
| 534 | by This does not support the language specified by Language,\r | |
| 535 | then EFI_UNSUPPORTED is returned.\r | |
| 536 | \r | |
| 537 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
| 538 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
| 539 | \r | |
| 540 | @param Language[in] A pointer to a Null-terminated ASCII string\r | |
| 541 | array indicating the language. This is the\r | |
| 542 | language of the driver name that the caller is\r | |
| 543 | requesting, and it must match one of the\r | |
| 544 | languages specified in SupportedLanguages. The\r | |
| 545 | number of languages supported by a driver is up\r | |
| 546 | to the driver writer. Language is specified\r | |
| 547 | in RFC 4646 or ISO 639-2 language code format.\r | |
| 548 | \r | |
| 549 | @param DriverName[out] A pointer to the Unicode string to return.\r | |
| 550 | This Unicode string is the name of the\r | |
| 551 | driver specified by This in the language\r | |
| 552 | specified by Language.\r | |
| 553 | \r | |
| 554 | @retval EFI_SUCCESS The Unicode string for the Driver specified by\r | |
| 555 | This and the language specified by Language was\r | |
| 556 | returned in DriverName.\r | |
| 557 | \r | |
| 558 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
| 559 | \r | |
| 560 | @retval EFI_INVALID_PARAMETER DriverName is NULL.\r | |
| 561 | \r | |
| 562 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
| 563 | the language specified by Language.\r | |
| 564 | \r | |
| 565 | **/\r | |
| 566 | EFI_STATUS\r | |
| 567 | EFIAPI\r | |
| 568 | SdMmcPciHcComponentNameGetDriverName (\r | |
| 569 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
| 570 | IN CHAR8 *Language,\r | |
| 571 | OUT CHAR16 **DriverName\r | |
| 572 | );\r | |
| 573 | \r | |
| 574 | /**\r | |
| 575 | Retrieves a Unicode string that is the user readable name of the controller\r | |
| 576 | that is being managed by a driver.\r | |
| 577 | \r | |
| 578 | This function retrieves the user readable name of the controller specified by\r | |
| 579 | ControllerHandle and ChildHandle in the form of a Unicode string. If the\r | |
| 580 | driver specified by This has a user readable name in the language specified by\r | |
| 581 | Language, then a pointer to the controller name is returned in ControllerName,\r | |
| 582 | and EFI_SUCCESS is returned. If the driver specified by This is not currently\r | |
| 583 | managing the controller specified by ControllerHandle and ChildHandle,\r | |
| 584 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r | |
| 585 | support the language specified by Language, then EFI_UNSUPPORTED is returned.\r | |
| 586 | \r | |
| 587 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
| 588 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
| 589 | \r | |
| 590 | @param ControllerHandle[in] The handle of a controller that the driver\r | |
| 591 | specified by This is managing. This handle\r | |
| 592 | specifies the controller whose name is to be\r | |
| 593 | returned.\r | |
| 594 | \r | |
| 595 | @param ChildHandle[in] The handle of the child controller to retrieve\r | |
| 596 | the name of. This is an optional parameter that\r | |
| 597 | may be NULL. It will be NULL for device\r | |
| 598 | drivers. It will also be NULL for a bus drivers\r | |
| 599 | that wish to retrieve the name of the bus\r | |
| 600 | controller. It will not be NULL for a bus\r | |
| 601 | driver that wishes to retrieve the name of a\r | |
| 602 | child controller.\r | |
| 603 | \r | |
| 604 | @param Language[in] A pointer to a Null-terminated ASCII string\r | |
| 605 | array indicating the language. This is the\r | |
| 606 | language of the driver name that the caller is\r | |
| 607 | requesting, and it must match one of the\r | |
| 608 | languages specified in SupportedLanguages. The\r | |
| 609 | number of languages supported by a driver is up\r | |
| 610 | to the driver writer. Language is specified in\r | |
| 611 | RFC 4646 or ISO 639-2 language code format.\r | |
| 612 | \r | |
| 613 | @param ControllerName[out] A pointer to the Unicode string to return.\r | |
| 614 | This Unicode string is the name of the\r | |
| 615 | controller specified by ControllerHandle and\r | |
| 616 | ChildHandle in the language specified by\r | |
| 617 | Language from the point of view of the driver\r | |
| 618 | specified by This.\r | |
| 619 | \r | |
| 620 | @retval EFI_SUCCESS The Unicode string for the user readable name in\r | |
| 621 | the language specified by Language for the\r | |
| 622 | driver specified by This was returned in\r | |
| 623 | DriverName.\r | |
| 624 | \r | |
| 625 | @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r | |
| 626 | \r | |
| 627 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r | |
| 628 | EFI_HANDLE.\r | |
| 629 | \r | |
| 630 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
| 631 | \r | |
| 632 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r | |
| 633 | \r | |
| 634 | @retval EFI_UNSUPPORTED The driver specified by This is not currently\r | |
| 635 | managing the controller specified by\r | |
| 636 | ControllerHandle and ChildHandle.\r | |
| 637 | \r | |
| 638 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
| 639 | the language specified by Language.\r | |
| 640 | \r | |
| 641 | **/\r | |
| 642 | EFI_STATUS\r | |
| 643 | EFIAPI\r | |
| 644 | SdMmcPciHcComponentNameGetControllerName (\r | |
| 645 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
| 646 | IN EFI_HANDLE ControllerHandle,\r | |
| 647 | IN EFI_HANDLE ChildHandle, OPTIONAL\r | |
| 648 | IN CHAR8 *Language,\r | |
| 649 | OUT CHAR16 **ControllerName\r | |
| 650 | );\r | |
| 651 | \r | |
| 652 | /**\r | |
| 653 | Create a new TRB for the SD/MMC cmd request.\r | |
| 654 | \r | |
| 655 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 656 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 657 | @param[in] Packet A pointer to the SD command data structure.\r | |
| 658 | @param[in] Event If Event is NULL, blocking I/O is performed. If Event is\r | |
| 659 | not NULL, then nonblocking I/O is performed, and Event\r | |
| 660 | will be signaled when the Packet completes.\r | |
| 661 | \r | |
| 662 | @return Created Trb or NULL.\r | |
| 663 | \r | |
| 664 | **/\r | |
| 665 | SD_MMC_HC_TRB *\r | |
| 666 | SdMmcCreateTrb (\r | |
| 667 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 668 | IN UINT8 Slot,\r | |
| 669 | IN EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet,\r | |
| 670 | IN EFI_EVENT Event\r | |
| 671 | );\r | |
| 672 | \r | |
| 673 | /**\r | |
| 674 | Free the resource used by the TRB.\r | |
| 675 | \r | |
| 676 | @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.\r | |
| 677 | \r | |
| 678 | **/\r | |
| 679 | VOID\r | |
| 680 | SdMmcFreeTrb (\r | |
| 681 | IN SD_MMC_HC_TRB *Trb\r | |
| 682 | );\r | |
| 683 | \r | |
| 684 | /**\r | |
| 685 | Check if the env is ready for execute specified TRB.\r | |
| 686 | \r | |
| 687 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 688 | @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.\r | |
| 689 | \r | |
| 690 | @retval EFI_SUCCESS The env is ready for TRB execution.\r | |
| 691 | @retval EFI_NOT_READY The env is not ready for TRB execution.\r | |
| 692 | @retval Others Some erros happen.\r | |
| 693 | \r | |
| 694 | **/\r | |
| 695 | EFI_STATUS\r | |
| 696 | SdMmcCheckTrbEnv (\r | |
| 697 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 698 | IN SD_MMC_HC_TRB *Trb\r | |
| 699 | );\r | |
| 700 | \r | |
| 701 | /**\r | |
| 702 | Wait for the env to be ready for execute specified TRB.\r | |
| 703 | \r | |
| 704 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 705 | @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.\r | |
| 706 | \r | |
| 707 | @retval EFI_SUCCESS The env is ready for TRB execution.\r | |
| 708 | @retval EFI_TIMEOUT The env is not ready for TRB execution in time.\r | |
| 709 | @retval Others Some erros happen.\r | |
| 710 | \r | |
| 711 | **/\r | |
| 712 | EFI_STATUS\r | |
| 713 | SdMmcWaitTrbEnv (\r | |
| 714 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 715 | IN SD_MMC_HC_TRB *Trb\r | |
| 716 | );\r | |
| 717 | \r | |
| 718 | /**\r | |
| 719 | Execute the specified TRB.\r | |
| 720 | \r | |
| 721 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 722 | @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.\r | |
| 723 | \r | |
| 724 | @retval EFI_SUCCESS The TRB is sent to host controller successfully.\r | |
| 725 | @retval Others Some erros happen when sending this request to the host controller.\r | |
| 726 | \r | |
| 727 | **/\r | |
| 728 | EFI_STATUS\r | |
| 729 | SdMmcExecTrb (\r | |
| 730 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 731 | IN SD_MMC_HC_TRB *Trb\r | |
| 732 | );\r | |
| 733 | \r | |
| 734 | /**\r | |
| 735 | Check the TRB execution result.\r | |
| 736 | \r | |
| 737 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 738 | @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.\r | |
| 739 | \r | |
| 740 | @retval EFI_SUCCESS The TRB is executed successfully.\r | |
| 741 | @retval EFI_NOT_READY The TRB is not completed for execution.\r | |
| 742 | @retval Others Some erros happen when executing this request.\r | |
| 743 | \r | |
| 744 | **/\r | |
| 745 | EFI_STATUS\r | |
| 746 | SdMmcCheckTrbResult (\r | |
| 747 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 748 | IN SD_MMC_HC_TRB *Trb\r | |
| 749 | );\r | |
| 750 | \r | |
| 751 | /**\r | |
| 752 | Wait for the TRB execution result.\r | |
| 753 | \r | |
| 754 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 755 | @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.\r | |
| 756 | \r | |
| 757 | @retval EFI_SUCCESS The TRB is executed successfully.\r | |
| 758 | @retval Others Some erros happen when executing this request.\r | |
| 759 | \r | |
| 760 | **/\r | |
| 761 | EFI_STATUS\r | |
| 762 | SdMmcWaitTrbResult (\r | |
| 763 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 764 | IN SD_MMC_HC_TRB *Trb\r | |
| 765 | );\r | |
| 766 | \r | |
| 767 | /**\r | |
| 768 | Execute EMMC device identification procedure.\r | |
| 769 | \r | |
| 770 | Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 for details.\r | |
| 771 | \r | |
| 772 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 773 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 774 | \r | |
| 775 | @retval EFI_SUCCESS There is a EMMC card.\r | |
| 776 | @retval Others There is not a EMMC card.\r | |
| 777 | \r | |
| 778 | **/\r | |
| 779 | EFI_STATUS\r | |
| 780 | EmmcIdentification (\r | |
| 781 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 782 | IN UINT8 Slot\r | |
| 783 | );\r | |
| 784 | \r | |
| 785 | /**\r | |
| 786 | Execute EMMC device identification procedure.\r | |
| 787 | \r | |
| 788 | Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 for details.\r | |
| 789 | \r | |
| 790 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 791 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 792 | \r | |
| 793 | @retval EFI_SUCCESS There is a EMMC card.\r | |
| 794 | @retval Others There is not a EMMC card.\r | |
| 795 | \r | |
| 796 | **/\r | |
| 797 | EFI_STATUS\r | |
| 798 | SdCardIdentification (\r | |
| 799 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 800 | IN UINT8 Slot\r | |
| 801 | );\r | |
| 802 | \r | |
| 49accded AM |
803 | /**\r |
| 804 | SD/MMC card clock supply.\r | |
| 805 | \r | |
| 806 | Refer to SD Host Controller Simplified spec 3.0 Section 3.2.1 for details.\r | |
| 807 | \r | |
| 808 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 809 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 810 | @param[in] BusTiming BusTiming at which the frequency change is done.\r | |
| 811 | @param[in] FirstTimeSetup Flag to indicate whether the clock is being setup for the first time.\r | |
| 812 | @param[in] ClockFreq The max clock frequency to be set. The unit is KHz.\r | |
| 813 | \r | |
| 814 | @retval EFI_SUCCESS The clock is supplied successfully.\r | |
| 815 | @retval Others The clock isn't supplied successfully.\r | |
| 816 | \r | |
| 817 | **/\r | |
| 818 | EFI_STATUS\r | |
| 819 | SdMmcHcClockSupply (\r | |
| 820 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 821 | IN UINT8 Slot,\r | |
| 822 | IN SD_MMC_BUS_MODE BusTiming,\r | |
| 823 | IN BOOLEAN FirstTimeSetup,\r | |
| 824 | IN UINT64 ClockFreq\r | |
| 825 | );\r | |
| 826 | \r | |
| b23fc39c AB |
827 | /**\r |
| 828 | Software reset the specified SD/MMC host controller.\r | |
| 829 | \r | |
| 830 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 831 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 832 | \r | |
| 833 | @retval EFI_SUCCESS The software reset executes successfully.\r | |
| 834 | @retval Others The software reset fails.\r | |
| 835 | \r | |
| 836 | **/\r | |
| 837 | EFI_STATUS\r | |
| 838 | SdMmcHcReset (\r | |
| 839 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 840 | IN UINT8 Slot\r | |
| 841 | );\r | |
| 842 | \r | |
| 843 | /**\r | |
| 844 | Initial SD/MMC host controller with lowest clock frequency, max power and max timeout value\r | |
| 845 | at initialization.\r | |
| 846 | \r | |
| 847 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
| 848 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
| 849 | \r | |
| 850 | @retval EFI_SUCCESS The host controller is initialized successfully.\r | |
| 851 | @retval Others The host controller isn't initialized successfully.\r | |
| 852 | \r | |
| 853 | **/\r | |
| 854 | EFI_STATUS\r | |
| 855 | SdMmcHcInitHost (\r | |
| 856 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
| 857 | IN UINT8 Slot\r | |
| 858 | );\r | |
| 859 | \r | |
| 48555339 | 860 | #endif\r |