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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SdMmcPassThru.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SdMmcPassThru.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SdMmcPassThru.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SdMmcPassThru.h new file mode 100644 index 0000000000..ddbf45632c --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Protocol/SdMmcPassThru.h @@ -0,0 +1,264 @@ +/** @file + The EFI_SD_MMC_PASS_THRU_PROTOCOL provides the ability to send SD/MMC Commands + to any SD/MMC device attached to the SD compatible pci host controller. + + Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __SD_MMC_PASS_THRU_H__ +#define __SD_MMC_PASS_THRU_H__ + +#define EFI_SD_MMC_PASS_THRU_PROTOCOL_GUID \ + { \ + 0x716ef0d9, 0xff83, 0x4f69, {0x81, 0xe9, 0x51, 0x8b, 0xd3, 0x9a, 0x8e, 0x70 } \ + } + +typedef struct _EFI_SD_MMC_PASS_THRU_PROTOCOL EFI_SD_MMC_PASS_THRU_PROTOCOL; + +typedef enum { + SdMmcCommandTypeBc, // Broadcast commands, no response + SdMmcCommandTypeBcr, // Broadcast commands with response + SdMmcCommandTypeAc, // Addressed(point-to-point) commands + SdMmcCommandTypeAdtc // Addressed(point-to-point) data transfer commands +} EFI_SD_MMC_COMMAND_TYPE; + +typedef enum { + SdMmcResponseTypeR1, + SdMmcResponseTypeR1b, + SdMmcResponseTypeR2, + SdMmcResponseTypeR3, + SdMmcResponseTypeR4, + SdMmcResponseTypeR5, + SdMmcResponseTypeR5b, + SdMmcResponseTypeR6, + SdMmcResponseTypeR7 +} EFI_SD_MMC_RESPONSE_TYPE; + +typedef struct _EFI_SD_MMC_COMMAND_BLOCK { + UINT16 CommandIndex; + UINT32 CommandArgument; + UINT32 CommandType; // One of the EFI_SD_MMC_COMMAND_TYPE values + UINT32 ResponseType; // One of the EFI_SD_MMC_RESPONSE_TYPE values +} EFI_SD_MMC_COMMAND_BLOCK; + +typedef struct _EFI_SD_MMC_STATUS_BLOCK { + UINT32 Resp0; + UINT32 Resp1; + UINT32 Resp2; + UINT32 Resp3; +} EFI_SD_MMC_STATUS_BLOCK; + +typedef struct _EFI_SD_MMC_PASS_THRU_COMMAND_PACKET { + UINT64 Timeout; + EFI_SD_MMC_COMMAND_BLOCK *SdMmcCmdBlk; + EFI_SD_MMC_STATUS_BLOCK *SdMmcStatusBlk; + VOID *InDataBuffer; + VOID *OutDataBuffer; + UINT32 InTransferLength; + UINT32 OutTransferLength; + EFI_STATUS TransactionStatus; +} EFI_SD_MMC_PASS_THRU_COMMAND_PACKET; + +/** + Sends SD command to an SD card that is attached to the SD controller. + + The PassThru() function sends the SD command specified by Packet to the SD card + specified by Slot. + + If Packet is successfully sent to the SD card, then EFI_SUCCESS is returned. + + If a device error occurs while sending the Packet, then EFI_DEVICE_ERROR is returned. + + If Slot is not in a valid range for the SD controller, then EFI_INVALID_PARAMETER + is returned. + + If Packet defines a data command but both InDataBuffer and OutDataBuffer are NULL, + EFI_INVALID_PARAMETER is returned. + + @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance. + @param[in] Slot The slot number of the SD card to send the command to. + @param[in,out] Packet A pointer to the SD command data structure. + @param[in] Event If Event is NULL, blocking I/O is performed. If Event is + not NULL, then nonblocking I/O is performed, and Event + will be signaled when the Packet completes. + + @retval EFI_SUCCESS The SD Command Packet was sent by the host. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SD + command Packet. + @retval EFI_INVALID_PARAMETER Packet, Slot, or the contents of the Packet is invalid. + @retval EFI_INVALID_PARAMETER Packet defines a data command but both InDataBuffer and + OutDataBuffer are NULL. + @retval EFI_NO_MEDIA SD Device not present in the Slot. + @retval EFI_UNSUPPORTED The command described by the SD Command Packet is not + supported by the host controller. + @retval EFI_BAD_BUFFER_SIZE The InTransferLength or OutTransferLength exceeds the + limit supported by SD card ( i.e. if the number of bytes + exceed the Last LBA). + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SD_MMC_PASS_THRU_PASSTHRU) ( + IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This, + IN UINT8 Slot, + IN OUT EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet, + IN EFI_EVENT Event OPTIONAL +); + +/** + Used to retrieve next slot numbers supported by the SD controller. The function + returns information about all available slots (populated or not-populated). + + The GetNextSlot() function retrieves the next slot number on an SD controller. + If on input Slot is 0xFF, then the slot number of the first slot on the SD controller + is returned. + + If Slot is a slot number that was returned on a previous call to GetNextSlot(), then + the slot number of the next slot on the SD controller is returned. + + If Slot is not 0xFF and Slot was not returned on a previous call to GetNextSlot(), + EFI_INVALID_PARAMETER is returned. + + If Slot is the slot number of the last slot on the SD controller, then EFI_NOT_FOUND + is returned. + + @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance. + @param[in,out] Slot On input, a pointer to a slot number on the SD controller. + On output, a pointer to the next slot number on the SD controller. + An input value of 0xFF retrieves the first slot number on the SD + controller. + + @retval EFI_SUCCESS The next slot number on the SD controller was returned in Slot. + @retval EFI_NOT_FOUND There are no more slots on this SD controller. + @retval EFI_INVALID_PARAMETER Slot is not 0xFF and Slot was not returned on a previous call + to GetNextSlot(). + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SD_MMC_PASS_THRU_GET_NEXT_SLOT) ( + IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This, + IN OUT UINT8 *Slot +); + +/** + Used to allocate and build a device path node for an SD card on the SD controller. + + The BuildDevicePath() function allocates and builds a single device node for the SD + card specified by Slot. + + If the SD card specified by Slot is not present on the SD controller, then EFI_NOT_FOUND + is returned. + + If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned. + + If there are not enough resources to allocate the device path node, then EFI_OUT_OF_RESOURCES + is returned. + + Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of + DevicePath are initialized to describe the SD card specified by Slot, and EFI_SUCCESS is + returned. + + @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance. + @param[in] Slot Specifies the slot number of the SD card for which a device + path node is to be allocated and built. + @param[in,out] DevicePath A pointer to a single device path node that describes the SD + card specified by Slot. This function is responsible for + allocating the buffer DevicePath with the boot service + AllocatePool(). It is the caller's responsibility to free + DevicePath when the caller is finished with DevicePath. + + @retval EFI_SUCCESS The device path node that describes the SD card specified by + Slot was allocated and returned in DevicePath. + @retval EFI_NOT_FOUND The SD card specified by Slot does not exist on the SD controller. + @retval EFI_INVALID_PARAMETER DevicePath is NULL. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SD_MMC_PASS_THRU_BUILD_DEVICE_PATH) ( + IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This, + IN UINT8 Slot, + IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath +); + +/** + This function retrieves an SD card slot number based on the input device path. + + The GetSlotNumber() function retrieves slot number for the SD card specified by + the DevicePath node. If DevicePath is NULL, EFI_INVALID_PARAMETER is returned. + + If DevicePath is not a device path node type that the SD Pass Thru driver supports, + EFI_UNSUPPORTED is returned. + + @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance. + @param[in] DevicePath A pointer to the device path node that describes a SD + card on the SD controller. + @param[out] Slot On return, points to the slot number of an SD card on + the SD controller. + + @retval EFI_SUCCESS SD card slot number is returned in Slot. + @retval EFI_INVALID_PARAMETER Slot or DevicePath is NULL. + @retval EFI_UNSUPPORTED DevicePath is not a device path node type that the SD + Pass Thru driver supports. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SD_MMC_PASS_THRU_GET_SLOT_NUMBER) ( + IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + OUT UINT8 *Slot +); + +/** + Resets an SD card that is connected to the SD controller. + + The ResetDevice() function resets the SD card specified by Slot. + + If this SD controller does not support a device reset operation, EFI_UNSUPPORTED is + returned. + + If Slot is not in a valid slot number for this SD controller, EFI_INVALID_PARAMETER + is returned. + + If the device reset operation is completed, EFI_SUCCESS is returned. + + @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance. + @param[in] Slot Specifies the slot number of the SD card to be reset. + + @retval EFI_SUCCESS The SD card specified by Slot was reset. + @retval EFI_UNSUPPORTED The SD controller does not support a device reset operation. + @retval EFI_INVALID_PARAMETER Slot number is invalid. + @retval EFI_NO_MEDIA SD Device not present in the Slot. + @retval EFI_DEVICE_ERROR The reset command failed due to a device error + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_SD_MMC_PASS_THRU_RESET_DEVICE) ( + IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This, + IN UINT8 Slot +); + +struct _EFI_SD_MMC_PASS_THRU_PROTOCOL { + UINT32 IoAlign; + EFI_SD_MMC_PASS_THRU_PASSTHRU PassThru; + EFI_SD_MMC_PASS_THRU_GET_NEXT_SLOT GetNextSlot; + EFI_SD_MMC_PASS_THRU_BUILD_DEVICE_PATH BuildDevicePath; + EFI_SD_MMC_PASS_THRU_GET_SLOT_NUMBER GetSlotNumber; + EFI_SD_MMC_PASS_THRU_RESET_DEVICE ResetDevice; +}; + +extern EFI_GUID gEfiSdMmcPassThruProtocolGuid; + +#endif |