/** @file Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
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 _MMCHS_H_ #define _MMCHS_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MAX_RETRY_COUNT (100*5) #define HCS BIT30 //Host capacity support/1 = Supporting high capacity #define CCS BIT30 //Card capacity status/1 = High capacity card typedef struct { UINT32 Reserved0: 7; // 0 UINT32 V170_V195: 1; // 1.70V - 1.95V UINT32 V200_V260: 7; // 2.00V - 2.60V UINT32 V270_V360: 9; // 2.70V - 3.60V UINT32 RESERVED_1: 5; // Reserved UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode) UINT32 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine }OCR; typedef struct { UINT32 NOT_USED; // 1 [0:0] UINT32 CRC; // CRC7 checksum [7:1] UINT32 MDT; // Manufacturing date [19:8] UINT32 RESERVED_1; // Reserved [23:20] UINT32 PSN; // Product serial number [55:24] UINT8 PRV; // Product revision [63:56] UINT8 PNM[5]; // Product name [64:103] UINT16 OID; // OEM/Application ID [119:104] UINT8 MID; // Manufacturer ID [127:120] }CID; typedef struct { UINT8 NOT_USED: 1; // Not used, always 1 [0:0] UINT8 CRC: 7; // CRC [7:1] UINT8 RESERVED_1: 2; // Reserved [9:8] UINT8 FILE_FORMAT: 2; // File format [11:10] UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12] UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13] UINT8 COPY: 1; // Copy flag (OTP) [14:14] UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15] UINT16 RESERVED_2: 5; // Reserved [20:16] UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21] UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22] UINT16 R2W_FACTOR: 3; // Write speed factor [28:26] UINT16 RESERVED_3: 2; // Reserved [30:29] UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31] UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32] UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39] UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46] UINT32 C_SIZE_MULT: 3; // Device size multiplier [49:47] UINT32 VDD_W_CURR_MAX: 3; // Max. write current @ VDD max [52:50] UINT32 VDD_W_CURR_MIN: 3; // Max. write current @ VDD min [55:53] UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56] UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59] UINT32 C_SIZELow2: 2; // Device size [63:62] UINT32 C_SIZEHigh10: 10;// Device size [73:64] UINT32 RESERVED_4: 2; // Reserved [75:74] UINT32 DSR_IMP: 1; // DSR implemented [76:76] UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77] UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78] UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79] UINT32 READ_BL_LEN: 4; // Max. read data block length [83:80] UINT32 CCC: 12;// Card command classes [95:84] UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96] UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104] UINT8 TAAC ; // Data read access-time 1 [119:112] UINT8 RESERVED_5: 6; // Reserved [125:120] UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126] }CSD; typedef struct { UINT8 NOT_USED: 1; // Not used, always 1 [0:0] UINT8 CRC: 7; // CRC [7:1] UINT8 RESERVED_1: 2; // Reserved [9:8] UINT8 FILE_FORMAT: 2; // File format [11:10] UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12] UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13] UINT8 COPY: 1; // Copy flag (OTP) [14:14] UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15] UINT16 RESERVED_2: 5; // Reserved [20:16] UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21] UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22] UINT16 R2W_FACTOR: 3; // Write speed factor [28:26] UINT16 RESERVED_3: 2; // Reserved [30:29] UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31] UINT16 WP_GRP_SIZE: 7; // Write protect group size [38:32] UINT16 SECTOR_SIZE: 7; // Erase sector size [45:39] UINT16 ERASE_BLK_EN: 1; // Erase single block enable [46:46] UINT16 RESERVED_4: 1; // Reserved [47:47] UINT32 C_SIZELow16: 16;// Device size [69:48] UINT32 C_SIZEHigh6: 6; // Device size [69:48] UINT32 RESERVED_5: 6; // Reserved [75:70] UINT32 DSR_IMP: 1; // DSR implemented [76:76] UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77] UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78] UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79] UINT16 READ_BL_LEN: 4; // Max. read data block length [83:80] UINT16 CCC: 12;// Card command classes [95:84] UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96] UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104] UINT8 TAAC ; // Data read access-time 1 [119:112] UINT8 RESERVED_6: 6; // 0 [125:120] UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126] }CSD_SDV2; typedef enum { UNKNOWN_CARD, MMC_CARD, //MMC card SD_CARD, //SD 1.1 card SD_CARD_2, //SD 2.0 or above standard card SD_CARD_2_HIGH //SD 2.0 or above high capacity card } CARD_TYPE; typedef enum { READ, WRITE } OPERATION_TYPE; typedef struct { UINT16 RCA; UINTN BlockSize; UINTN NumBlocks; UINTN ClockFrequencySelect; CARD_TYPE CardType; OCR OCRData; CID CIDData; CSD CSDData; } CARD_INFO; EFI_STATUS DetectCard ( VOID ); extern EFI_BLOCK_IO_PROTOCOL gBlockIo; #endif