[mirror_edk2.git] / EmbeddedPkg / Universal / MmcDxe / Mmc.h

/** @file\r
  Main Header file for the MMC DXE driver\r
\r
  Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r
\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef __MMC_H\r
#define __MMC_H\r
\r
#include <Uefi.h>\r
\r
#include <Protocol/DiskIo.h>\r
#include <Protocol/BlockIo.h>\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/MmcHost.h>\r
\r
#include <Library/UefiLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
#define MMC_TRACE(txt)  DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))\r
\r
#define MMC_IOBLOCKS_READ       0\r
#define MMC_IOBLOCKS_WRITE      1\r
\r
#define MMC_OCR_POWERUP             0x80000000\r
\r
#define MMC_CSD_GET_CCC(Response)    (Response[2] >> 20)\r
#define MMC_CSD_GET_TRANSPEED(Response)    (Response[3] & 0xFF)\r
#define MMC_CSD_GET_READBLLEN(Response)    ((Response[2] >> 16) & 0xF)\r
#define MMC_CSD_GET_WRITEBLLEN(Response)  ((Response[0] >> 22) & 0xF)\r
#define MMC_CSD_GET_FILEFORMAT(Response)  ((Response[0] >> 10) & 0x3)\r
#define MMC_CSD_GET_FILEFORMATGRP(Response)  ((Response[0] >> 15) & 0x1)\r
#define MMC_CSD_GET_DEVICESIZE(csd)         (((Response[1] >> 30) & 0x3) | ((Response[2] & 0x3FF) << 2))\r
#define HC_MMC_CSD_GET_DEVICESIZE(Response)    ((Response[1] >> 16) | ((Response[2] & 0x40) << 16));\r
#define MMC_CSD_GET_DEVICESIZEMULT(csd)     ((Response[1] >> 15) & 0x7)\r
\r
#define MMC_R0_READY_FOR_DATA               (1 << 8)\r
\r
#define MMC_R0_CURRENTSTATE(Response)       ((Response[0] >> 9) & 0xF)\r
\r
#define MMC_R0_STATE_IDLE       0\r
#define MMC_R0_STATE_READY      1\r
#define MMC_R0_STATE_IDENT      2\r
#define MMC_R0_STATE_STDBY      3\r
#define MMC_R0_STATE_TRAN       4\r
#define MMC_R0_STATE_DATA       5\r
\r
typedef enum {\r
  UNKNOWN_CARD,\r
  MMC_CARD,              //MMC card\r
  MMC_CARD_HIGH,         //MMC Card with High capacity\r
  EMMC_CARD,             //eMMC 4.41 card\r
  SD_CARD,               //SD 1.1 card\r
  SD_CARD_2,             //SD 2.0 or above standard card\r
  SD_CARD_2_HIGH         //SD 2.0 or above high capacity card\r
} CARD_TYPE;\r
\r
typedef struct {\r
  UINT32  Reserved0:   7; // 0\r
  UINT32  V170_V195:   1; // 1.70V - 1.95V\r
  UINT32  V200_V260:   7; // 2.00V - 2.60V\r
  UINT32  V270_V360:   9; // 2.70V - 3.60V\r
  UINT32  RESERVED_1:  5; // Reserved\r
  UINT32  AccessMode:  2; // 00b (byte mode), 10b (sector mode)\r
  UINT32  PowerUp:     1; // This bit is set to LOW if the card has not finished the power up routine\r
} OCR;\r
\r
typedef struct {\r
  UINT32  NOT_USED;   // 1 [0:0]\r
  UINT32  CRC;        // CRC7 checksum [7:1]\r
  UINT32  MDT;        // Manufacturing date [19:8]\r
  UINT32  RESERVED_1; // Reserved [23:20]\r
  UINT32  PSN;        // Product serial number [55:24]\r
  UINT8   PRV;        // Product revision [63:56]\r
  UINT8   PNM[5];     // Product name [64:103]\r
  UINT16  OID;        // OEM/Application ID [119:104]\r
  UINT8   MID;        // Manufacturer ID [127:120]\r
} CID;\r
\r
typedef struct {\r
  UINT8   NOT_USED:           1; // Not used, always 1 [0:0]\r
  UINT8   CRC:                7; // CRC [7:1]\r
\r
  UINT8   RESERVED_1:         2; // Reserved [9:8]\r
  UINT8   FILE_FORMAT:        2; // File format [11:10]\r
  UINT8   TMP_WRITE_PROTECT:  1; // Temporary write protection [12:12]\r
  UINT8   PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13]\r
  UINT8   COPY:               1; // Copy flag (OTP) [14:14]\r
  UINT8   FILE_FORMAT_GRP:    1; // File format group [15:15]\r
\r
  UINT16  RESERVED_2:         5; // Reserved [20:16]\r
  UINT16  WRITE_BL_PARTIAL:   1; // Partial blocks for write allowed [21:21]\r
  UINT16  WRITE_BL_LEN:       4; // Max. write data block length [25:22]\r
  UINT16  R2W_FACTOR:         3; // Write speed factor [28:26]\r
  UINT16  RESERVED_3:         2; // Reserved [30:29]\r
  UINT16  WP_GRP_ENABLE:      1; // Write protect group enable [31:31]\r
\r
  UINT32  WP_GRP_SIZE:        7; // Write protect group size [38:32]\r
  UINT32  SECTOR_SIZE:        7; // Erase sector size [45:39]\r
  UINT32  ERASE_BLK_EN:       1; // Erase single block enable [46:46]\r
  UINT32  C_SIZE_MULT:        3; // Device size multiplier [49:47]\r
  UINT32  VDD_W_CURR_MAX:     3; // Max. write current @ VDD max [52:50]\r
  UINT32  VDD_W_CURR_MIN:     3; // Max. write current @ VDD min [55:53]\r
  UINT32  VDD_R_CURR_MAX:     3; // Max. read current @ VDD max [58:56]\r
  UINT32  VDD_R_CURR_MIN:     3; // Max. read current @ VDD min [61:59]\r
  UINT32  C_SIZELow2:         2; // Device size [63:62]\r
\r
  UINT32  C_SIZEHigh10:       10;// Device size [73:64]\r
  UINT32  RESERVED_4:         2; // Reserved [75:74]\r
  UINT32  DSR_IMP:            1; // DSR implemented [76:76]\r
  UINT32  READ_BLK_MISALIGN:  1; // Read block misalignment [77:77]\r
  UINT32  WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78]\r
  UINT32  READ_BL_PARTIAL:    1; // Partial blocks for read allowed [79:79]\r
  UINT32  READ_BL_LEN:        4; // Max. read data block length [83:80]\r
  UINT32  CCC:                12;// Card command classes [95:84]\r
\r
  UINT8   TRAN_SPEED          ;  // Max. bus clock frequency [103:96]\r
  UINT8   NSAC                ;  // Data read access-time 2 in CLK cycles (NSAC*100) [111:104]\r
  UINT8   TAAC                ;  // Data read access-time 1 [119:112]\r
\r
  UINT8   RESERVED_5:         6; // Reserved [125:120]\r
  UINT8   CSD_STRUCTURE:      2; // CSD structure [127:126]\r
} CSD;\r
\r
typedef struct  {\r
  UINT16    RCA;\r
  CARD_TYPE CardType;\r
  OCR       OCRData;\r
  CID       CIDData;\r
  CSD       CSDData;\r
  UINT32    ECSD[128];      // MMC V4 extended card specific\r
} CARD_INFO;\r
\r
typedef struct _MMC_HOST_INSTANCE {\r
  UINTN                     Signature;\r
  LIST_ENTRY                Link;\r
  EFI_HANDLE                MmcHandle;\r
  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;\r
\r
  MMC_STATE                 State;\r
  EFI_BLOCK_IO_PROTOCOL     BlockIo;\r
  CARD_INFO                 CardInfo;\r
  EFI_MMC_HOST_PROTOCOL     *MmcHost;\r
\r
  BOOLEAN                   Initialized;\r
} MMC_HOST_INSTANCE;\r
\r
#define MMC_HOST_INSTANCE_SIGNATURE                 SIGNATURE_32('m', 'm', 'c', 'h')\r
#define MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(a)     CR (a, MMC_HOST_INSTANCE, BlockIo, MMC_HOST_INSTANCE_SIGNATURE)\r
#define MMC_HOST_INSTANCE_FROM_LINK(a)              CR (a, MMC_HOST_INSTANCE, Link, MMC_HOST_INSTANCE_SIGNATURE)\r
\r
\r
EFI_STATUS\r
EFIAPI\r
MmcGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
MmcGetControllerName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,\r
  IN  EFI_HANDLE                                      ControllerHandle,\r
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,\r
  IN  CHAR8                                           *Language,\r
  OUT CHAR16                                          **ControllerName\r
  );\r
\r
extern EFI_COMPONENT_NAME_PROTOCOL  gMmcComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL gMmcComponentName2;\r
\r
extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2;\r
\r
extern LIST_ENTRY mMmcHostPool;\r
\r
/**\r
  Reset the block device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.Reset().\r
  It resets the block device hardware.\r
  ExtendedVerification is ignored in this implementation.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
  @param  ExtendedVerification   Indicates that the driver may perform a more exhaustive\r
                                 verification operation of the device during reset.\r
\r
  @retval EFI_SUCCESS            The block device was reset.\r
  @retval EFI_DEVICE_ERROR       The block device is not functioning correctly and could not be reset.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MmcReset (\r
  IN EFI_BLOCK_IO_PROTOCOL    *This,\r
  IN BOOLEAN                  ExtendedVerification\r
  );\r
\r
/**\r
  Reads the requested number of blocks from the device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().\r
  It reads the requested number of blocks from the device.\r
  All the blocks are read, or an error is returned.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
  @param  MediaId                The media ID that the read request is for.\r
  @param  Lba                    The starting logical block address to read from on the device.\r
  @param  BufferSize             The size of the Buffer in bytes.\r
                                 This must be a multiple of the intrinsic block size of the device.\r
  @param  Buffer                 A pointer to the destination buffer for the data. The caller is\r
                                 responsible for either having implicit or explicit ownership of the buffer.\r
\r
  @retval EFI_SUCCESS            The data was read correctly from the device.\r
  @retval EFI_DEVICE_ERROR       The device reported an error while attempting to perform the read operation.\r
  @retval EFI_NO_MEDIA           There is no media in the device.\r
  @retval EFI_MEDIA_CHANGED      The MediaId is not for the current media.\r
  @retval EFI_BAD_BUFFER_SIZE    The BufferSize parameter is not a multiple of the intrinsic block size of the device.\r
  @retval EFI_INVALID_PARAMETER  The read request contains LBAs that are not valid,\r
                                 or the buffer is not on proper alignment.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MmcReadBlocks (\r
  IN EFI_BLOCK_IO_PROTOCOL    *This,\r
  IN UINT32                   MediaId,\r
  IN EFI_LBA                  Lba,\r
  IN UINTN                    BufferSize,\r
  OUT VOID                    *Buffer\r
  );\r
\r
/**\r
  Writes a specified number of blocks to the device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().\r
  It writes a specified number of blocks to the device.\r
  All blocks are written, or an error is returned.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
  @param  MediaId                The media ID that the write request is for.\r
  @param  Lba                    The starting logical block address to be written.\r
  @param  BufferSize             The size of the Buffer in bytes.\r
                                 This must be a multiple of the intrinsic block size of the device.\r
  @param  Buffer                 Pointer to the source buffer for the data.\r
\r
  @retval EFI_SUCCESS            The data were written correctly to the device.\r
  @retval EFI_WRITE_PROTECTED    The device cannot be written to.\r
  @retval EFI_NO_MEDIA           There is no media in the device.\r
  @retval EFI_MEDIA_CHANGED      The MediaId is not for the current media.\r
  @retval EFI_DEVICE_ERROR       The device reported an error while attempting to perform the write operation.\r
  @retval EFI_BAD_BUFFER_SIZE    The BufferSize parameter is not a multiple of the intrinsic\r
                                 block size of the device.\r
  @retval EFI_INVALID_PARAMETER  The write request contains LBAs that are not valid,\r
                                 or the buffer is not on proper alignment.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MmcWriteBlocks (\r
  IN EFI_BLOCK_IO_PROTOCOL    *This,\r
  IN UINT32                   MediaId,\r
  IN EFI_LBA                  Lba,\r
  IN UINTN                    BufferSize,\r
  IN VOID                     *Buffer\r
  );\r
\r
/**\r
  Flushes all modified data to a physical block device.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
\r
  @retval EFI_SUCCESS            All outstanding data were written correctly to the device.\r
  @retval EFI_DEVICE_ERROR       The device reported an error while attempting to write data.\r
  @retval EFI_NO_MEDIA           There is no media in the device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MmcFlushBlocks (\r
  IN EFI_BLOCK_IO_PROTOCOL  *This\r
  );\r
\r
EFI_STATUS\r
MmcNotifyState (\r
  IN MMC_HOST_INSTANCE      *MmcHostInstance,\r
  IN MMC_STATE               State\r
  );\r
\r
EFI_STATUS\r
InitializeMmcDevice (\r
  IN  MMC_HOST_INSTANCE     *MmcHost\r
  );\r
\r
VOID\r
EFIAPI\r
CheckCardsCallback (\r
  IN  EFI_EVENT   Event,\r
  IN  VOID        *Context\r
  );\r
\r
VOID\r
PrintCSD (\r
  IN UINT32* Csd\r
  );\r
\r
VOID\r
PrintRCA (\r
  IN UINT32 Rca\r
  );\r
\r
VOID\r
PrintOCR (\r
  IN UINT32 Ocr\r
  );\r
\r
VOID\r
PrintResponseR1 (\r
  IN  UINT32 Response\r
  );\r
\r
VOID\r
PrintCID (\r
  IN UINT32* Cid\r
  );\r
\r
#endif\r
Commit	Line	Data
	1	/** @file\r
	2	Main Header file for the MMC DXE driver\r
	3	\r
	4	Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r
	5	\r
	6	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
	10	\r
	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
	13	\r
	14	**/\r
	15	\r
	16	#ifndef __MMC_H\r
	17	#define __MMC_H\r
	18	\r
	19	#include <Uefi.h>\r
	20	\r
	21	#include <Protocol/DiskIo.h>\r
	22	#include <Protocol/BlockIo.h>\r
	23	#include <Protocol/DevicePath.h>\r
	24	#include <Protocol/MmcHost.h>\r
	25	\r
	26	#include <Library/UefiLib.h>\r
	27	#include <Library/DebugLib.h>\r
	28	#include <Library/UefiBootServicesTableLib.h>\r
	29	\r
	30	#define MMC_TRACE(txt) DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))\r
	31	\r
	32	#define MMC_IOBLOCKS_READ 0\r
	33	#define MMC_IOBLOCKS_WRITE 1\r
	34	\r
	35	#define MMC_OCR_POWERUP 0x80000000\r
	36	\r
	37	#define MMC_CSD_GET_CCC(Response) (Response[2] >> 20)\r
	38	#define MMC_CSD_GET_TRANSPEED(Response) (Response[3] & 0xFF)\r
	39	#define MMC_CSD_GET_READBLLEN(Response) ((Response[2] >> 16) & 0xF)\r
	40	#define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[0] >> 22) & 0xF)\r
	41	#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[0] >> 10) & 0x3)\r
	42	#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[0] >> 15) & 0x1)\r
	43	#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[1] >> 30) & 0x3) \| ((Response[2] & 0x3FF) << 2))\r
	44	#define HC_MMC_CSD_GET_DEVICESIZE(Response) ((Response[1] >> 16) \| ((Response[2] & 0x40) << 16));\r
	45	#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[1] >> 15) & 0x7)\r
	46	\r
	47	#define MMC_R0_READY_FOR_DATA (1 << 8)\r
	48	\r
	49	#define MMC_R0_CURRENTSTATE(Response) ((Response[0] >> 9) & 0xF)\r
	50	\r
	51	#define MMC_R0_STATE_IDLE 0\r
	52	#define MMC_R0_STATE_READY 1\r
	53	#define MMC_R0_STATE_IDENT 2\r
	54	#define MMC_R0_STATE_STDBY 3\r
	55	#define MMC_R0_STATE_TRAN 4\r
	56	#define MMC_R0_STATE_DATA 5\r
	57	\r
	58	typedef enum {\r
	59	UNKNOWN_CARD,\r
	60	MMC_CARD, //MMC card\r
	61	MMC_CARD_HIGH, //MMC Card with High capacity\r
	62	EMMC_CARD, //eMMC 4.41 card\r
	63	SD_CARD, //SD 1.1 card\r
	64	SD_CARD_2, //SD 2.0 or above standard card\r
	65	SD_CARD_2_HIGH //SD 2.0 or above high capacity card\r
	66	} CARD_TYPE;\r
	67	\r
	68	typedef struct {\r
	69	UINT32 Reserved0: 7; // 0\r
	70	UINT32 V170_V195: 1; // 1.70V - 1.95V\r
	71	UINT32 V200_V260: 7; // 2.00V - 2.60V\r
	72	UINT32 V270_V360: 9; // 2.70V - 3.60V\r
	73	UINT32 RESERVED_1: 5; // Reserved\r
	74	UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode)\r
	75	UINT32 PowerUp: 1; // This bit is set to LOW if the card has not finished the power up routine\r
	76	} OCR;\r
	77	\r
	78	typedef struct {\r
	79	UINT32 NOT_USED; // 1 [0:0]\r
	80	UINT32 CRC; // CRC7 checksum [7:1]\r
	81	UINT32 MDT; // Manufacturing date [19:8]\r
	82	UINT32 RESERVED_1; // Reserved [23:20]\r
	83	UINT32 PSN; // Product serial number [55:24]\r
	84	UINT8 PRV; // Product revision [63:56]\r
	85	UINT8 PNM[5]; // Product name [64:103]\r
	86	UINT16 OID; // OEM/Application ID [119:104]\r
	87	UINT8 MID; // Manufacturer ID [127:120]\r
	88	} CID;\r
	89	\r
	90	typedef struct {\r
	91	UINT8 NOT_USED: 1; // Not used, always 1 [0:0]\r
	92	UINT8 CRC: 7; // CRC [7:1]\r
	93	\r
	94	UINT8 RESERVED_1: 2; // Reserved [9:8]\r
	95	UINT8 FILE_FORMAT: 2; // File format [11:10]\r
	96	UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12]\r
	97	UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13]\r
	98	UINT8 COPY: 1; // Copy flag (OTP) [14:14]\r
	99	UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15]\r
	100	\r
	101	UINT16 RESERVED_2: 5; // Reserved [20:16]\r
	102	UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21]\r
	103	UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22]\r
	104	UINT16 R2W_FACTOR: 3; // Write speed factor [28:26]\r
	105	UINT16 RESERVED_3: 2; // Reserved [30:29]\r
	106	UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31]\r
	107	\r
	108	UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32]\r
	109	UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39]\r
	110	UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46]\r
	111	UINT32 C_SIZE_MULT: 3; // Device size multiplier [49:47]\r
	112	UINT32 VDD_W_CURR_MAX: 3; // Max. write current @ VDD max [52:50]\r
	113	UINT32 VDD_W_CURR_MIN: 3; // Max. write current @ VDD min [55:53]\r
	114	UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56]\r
	115	UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59]\r
	116	UINT32 C_SIZELow2: 2; // Device size [63:62]\r
	117	\r
	118	UINT32 C_SIZEHigh10: 10;// Device size [73:64]\r
	119	UINT32 RESERVED_4: 2; // Reserved [75:74]\r
	120	UINT32 DSR_IMP: 1; // DSR implemented [76:76]\r
	121	UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77]\r
	122	UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78]\r
	123	UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79]\r
	124	UINT32 READ_BL_LEN: 4; // Max. read data block length [83:80]\r
	125	UINT32 CCC: 12;// Card command classes [95:84]\r
	126	\r
	127	UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96]\r
	128	UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104]\r
	129	UINT8 TAAC ; // Data read access-time 1 [119:112]\r
	130	\r
	131	UINT8 RESERVED_5: 6; // Reserved [125:120]\r
	132	UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126]\r
	133	} CSD;\r
	134	\r
	135	typedef struct {\r
	136	UINT16 RCA;\r
	137	CARD_TYPE CardType;\r
	138	OCR OCRData;\r
	139	CID CIDData;\r
	140	CSD CSDData;\r
	141	UINT32 ECSD[128]; // MMC V4 extended card specific\r
	142	} CARD_INFO;\r
	143	\r
	144	typedef struct _MMC_HOST_INSTANCE {\r
	145	UINTN Signature;\r
	146	LIST_ENTRY Link;\r
	147	EFI_HANDLE MmcHandle;\r
	148	EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
	149	\r
	150	MMC_STATE State;\r
	151	EFI_BLOCK_IO_PROTOCOL BlockIo;\r
	152	CARD_INFO CardInfo;\r
	153	EFI_MMC_HOST_PROTOCOL *MmcHost;\r
	154	\r
	155	BOOLEAN Initialized;\r
	156	} MMC_HOST_INSTANCE;\r
	157	\r
	158	#define MMC_HOST_INSTANCE_SIGNATURE SIGNATURE_32('m', 'm', 'c', 'h')\r
	159	#define MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(a) CR (a, MMC_HOST_INSTANCE, BlockIo, MMC_HOST_INSTANCE_SIGNATURE)\r
	160	#define MMC_HOST_INSTANCE_FROM_LINK(a) CR (a, MMC_HOST_INSTANCE, Link, MMC_HOST_INSTANCE_SIGNATURE)\r
	161	\r
	162	\r
	163	EFI_STATUS\r
	164	EFIAPI\r
	165	MmcGetDriverName (\r
	166	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	167	IN CHAR8 *Language,\r
	168	OUT CHAR16 **DriverName\r
	169	);\r
	170	\r
	171	EFI_STATUS\r
	172	EFIAPI\r
	173	MmcGetControllerName (\r
	174	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	175	IN EFI_HANDLE ControllerHandle,\r
	176	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	177	IN CHAR8 *Language,\r
	178	OUT CHAR16 **ControllerName\r
	179	);\r
	180	\r
	181	extern EFI_COMPONENT_NAME_PROTOCOL gMmcComponentName;\r
	182	extern EFI_COMPONENT_NAME2_PROTOCOL gMmcComponentName2;\r
	183	\r
	184	extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2;\r
	185	\r
	186	extern LIST_ENTRY mMmcHostPool;\r
	187	\r
	188	/**\r
	189	Reset the block device.\r
	190	\r
	191	This function implements EFI_BLOCK_IO_PROTOCOL.Reset().\r
	192	It resets the block device hardware.\r
	193	ExtendedVerification is ignored in this implementation.\r
	194	\r
	195	@param This Indicates a pointer to the calling context.\r
	196	@param ExtendedVerification Indicates that the driver may perform a more exhaustive\r
	197	verification operation of the device during reset.\r
	198	\r
	199	@retval EFI_SUCCESS The block device was reset.\r
	200	@retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.\r
	201	\r
	202	**/\r
	203	EFI_STATUS\r
	204	EFIAPI\r
	205	MmcReset (\r
	206	IN EFI_BLOCK_IO_PROTOCOL *This,\r
	207	IN BOOLEAN ExtendedVerification\r
	208	);\r
	209	\r
	210	/**\r
	211	Reads the requested number of blocks from the device.\r
	212	\r
	213	This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().\r
	214	It reads the requested number of blocks from the device.\r
	215	All the blocks are read, or an error is returned.\r
	216	\r
	217	@param This Indicates a pointer to the calling context.\r
	218	@param MediaId The media ID that the read request is for.\r
	219	@param Lba The starting logical block address to read from on the device.\r
	220	@param BufferSize The size of the Buffer in bytes.\r
	221	This must be a multiple of the intrinsic block size of the device.\r
	222	@param Buffer A pointer to the destination buffer for the data. The caller is\r
	223	responsible for either having implicit or explicit ownership of the buffer.\r
	224	\r
	225	@retval EFI_SUCCESS The data was read correctly from the device.\r
	226	@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.\r
	227	@retval EFI_NO_MEDIA There is no media in the device.\r
	228	@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r
	229	@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.\r
	230	@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r
	231	or the buffer is not on proper alignment.\r
	232	\r
	233	**/\r
	234	EFI_STATUS\r
	235	EFIAPI\r
	236	MmcReadBlocks (\r
	237	IN EFI_BLOCK_IO_PROTOCOL *This,\r
	238	IN UINT32 MediaId,\r
	239	IN EFI_LBA Lba,\r
	240	IN UINTN BufferSize,\r
	241	OUT VOID *Buffer\r
	242	);\r
	243	\r
	244	/**\r
	245	Writes a specified number of blocks to the device.\r
	246	\r
	247	This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().\r
	248	It writes a specified number of blocks to the device.\r
	249	All blocks are written, or an error is returned.\r
	250	\r
	251	@param This Indicates a pointer to the calling context.\r
	252	@param MediaId The media ID that the write request is for.\r
	253	@param Lba The starting logical block address to be written.\r
	254	@param BufferSize The size of the Buffer in bytes.\r
	255	This must be a multiple of the intrinsic block size of the device.\r
	256	@param Buffer Pointer to the source buffer for the data.\r
	257	\r
	258	@retval EFI_SUCCESS The data were written correctly to the device.\r
	259	@retval EFI_WRITE_PROTECTED The device cannot be written to.\r
	260	@retval EFI_NO_MEDIA There is no media in the device.\r
	261	@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r
	262	@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.\r
	263	@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic\r
	264	block size of the device.\r
	265	@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r
	266	or the buffer is not on proper alignment.\r
	267	\r
	268	**/\r
	269	EFI_STATUS\r
	270	EFIAPI\r
	271	MmcWriteBlocks (\r
	272	IN EFI_BLOCK_IO_PROTOCOL *This,\r
	273	IN UINT32 MediaId,\r
	274	IN EFI_LBA Lba,\r
	275	IN UINTN BufferSize,\r
	276	IN VOID *Buffer\r
	277	);\r
	278	\r
	279	/**\r
	280	Flushes all modified data to a physical block device.\r
	281	\r
	282	@param This Indicates a pointer to the calling context.\r
	283	\r
	284	@retval EFI_SUCCESS All outstanding data were written correctly to the device.\r
	285	@retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.\r
	286	@retval EFI_NO_MEDIA There is no media in the device.\r
	287	\r
	288	**/\r
	289	EFI_STATUS\r
	290	EFIAPI\r
	291	MmcFlushBlocks (\r
	292	IN EFI_BLOCK_IO_PROTOCOL *This\r
	293	);\r
	294	\r
	295	EFI_STATUS\r
	296	MmcNotifyState (\r
	297	IN MMC_HOST_INSTANCE *MmcHostInstance,\r
	298	IN MMC_STATE State\r
	299	);\r
	300	\r
	301	EFI_STATUS\r
	302	InitializeMmcDevice (\r
	303	IN MMC_HOST_INSTANCE *MmcHost\r
	304	);\r
	305	\r
	306	VOID\r
	307	EFIAPI\r
	308	CheckCardsCallback (\r
	309	IN EFI_EVENT Event,\r
	310	IN VOID *Context\r
	311	);\r
	312	\r
	313	VOID\r
	314	PrintCSD (\r
	315	IN UINT32* Csd\r
	316	);\r
	317	\r
	318	VOID\r
	319	PrintRCA (\r
	320	IN UINT32 Rca\r
	321	);\r
	322	\r
	323	VOID\r
	324	PrintOCR (\r
	325	IN UINT32 Ocr\r
	326	);\r
	327	\r
	328	VOID\r
	329	PrintResponseR1 (\r
	330	IN UINT32 Response\r
	331	);\r
	332	\r
	333	VOID\r
	334	PrintCID (\r
	335	IN UINT32* Cid\r
	336	);\r
	337	\r
	338	#endif\r