2 Definition of the MMC Host Protocol
4 Copyright (c) 2011, ARM Limited. All rights reserved.
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 #ifndef __MMC_HOST_H__
17 #define __MMC_HOST_H__
20 /// Global ID for the MMC Host Protocol
22 #define EFI_MMC_HOST_PROTOCOL_GUID \
23 { 0x3e591c00, 0x9e4a, 0x11df, {0x92, 0x44, 0x00, 0x02, 0xA5, 0xD5, 0xC5, 0x1B } }
25 #define MMC_RESPONSE_TYPE_R1 0
26 #define MMC_RESPONSE_TYPE_R1b 0
27 #define MMC_RESPONSE_TYPE_R2 1
28 #define MMC_RESPONSE_TYPE_R3 0
29 #define MMC_RESPONSE_TYPE_R6 0
30 #define MMC_RESPONSE_TYPE_R7 0
31 #define MMC_RESPONSE_TYPE_OCR 0
32 #define MMC_RESPONSE_TYPE_CID 1
33 #define MMC_RESPONSE_TYPE_CSD 1
34 #define MMC_RESPONSE_TYPE_RCA 0
36 typedef UINT32 MMC_RESPONSE_TYPE
;
38 typedef UINT32 MMC_CMD
;
40 #define MMC_CMD_WAIT_RESPONSE (1 << 16)
41 #define MMC_CMD_LONG_RESPONSE (1 << 17)
42 #define MMC_CMD_NO_CRC_RESPONSE (1 << 18)
44 #define MMC_INDX(Index) ((Index) & 0xFFFF)
45 #define MMC_GET_INDX(MmcCmd) ((MmcCmd) & 0xFFFF)
47 #define MMC_CMD0 (MMC_INDX(0) | MMC_CMD_NO_CRC_RESPONSE)
48 #define MMC_CMD1 (MMC_INDX(1) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
49 #define MMC_CMD2 (MMC_INDX(2) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_LONG_RESPONSE)
50 #define MMC_CMD3 (MMC_INDX(3) | MMC_CMD_WAIT_RESPONSE)
51 #define MMC_CMD5 (MMC_INDX(5) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
52 #define MMC_CMD7 (MMC_INDX(7) | MMC_CMD_WAIT_RESPONSE)
53 #define MMC_CMD8 (MMC_INDX(8) | MMC_CMD_WAIT_RESPONSE)
54 #define MMC_CMD9 (MMC_INDX(9) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_LONG_RESPONSE)
55 #define MMC_CMD11 (MMC_INDX(11) | MMC_CMD_WAIT_RESPONSE)
56 #define MMC_CMD12 (MMC_INDX(12) | MMC_CMD_WAIT_RESPONSE)
57 #define MMC_CMD13 (MMC_INDX(13) | MMC_CMD_WAIT_RESPONSE)
58 #define MMC_CMD16 (MMC_INDX(16) | MMC_CMD_WAIT_RESPONSE)
59 #define MMC_CMD17 (MMC_INDX(17) | MMC_CMD_WAIT_RESPONSE)
60 #define MMC_CMD18 (MMC_INDX(18) | MMC_CMD_WAIT_RESPONSE)
61 #define MMC_CMD20 (MMC_INDX(20) | MMC_CMD_WAIT_RESPONSE)
62 #define MMC_CMD23 (MMC_INDX(23) | MMC_CMD_WAIT_RESPONSE)
63 #define MMC_CMD24 (MMC_INDX(24) | MMC_CMD_WAIT_RESPONSE)
64 #define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE)
65 #define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
67 typedef enum _MMC_STATE
{
69 MmcHwInitializationState
,
72 MmcIdentificationState
,
81 typedef BOOLEAN (*MMC_ISCARDPRESENT
)();
83 typedef BOOLEAN (*MMC_ISREADONLY
)();
85 typedef EFI_STATUS (*MMC_BUILDDEVICEPATH
)(EFI_DEVICE_PATH_PROTOCOL
**DevicePath
);
87 typedef EFI_STATUS (*MMC_NOTIFYSTATE
)(MMC_STATE State
);
89 typedef EFI_STATUS (*MMC_SENDCOMMAND
)(MMC_CMD Cmd
, UINT32 Argument
);
91 typedef EFI_STATUS (*MMC_RECEIVERESPONSE
)(MMC_RESPONSE_TYPE Type
, UINT32
* Buffer
);
93 typedef EFI_STATUS (*MMC_READBLOCKDATA
)(EFI_LBA Lba
, UINTN Length
, UINT32
* Buffer
);
95 typedef EFI_STATUS (*MMC_WRITEBLOCKDATA
)(EFI_LBA Lba
, UINTN Length
, UINT32
* Buffer
);
97 typedef struct _EFI_MMC_HOST_PROTOCOL
{
98 MMC_ISCARDPRESENT IsCardPresent
;
99 MMC_ISREADONLY IsReadOnly
;
100 MMC_BUILDDEVICEPATH BuildDevicePath
;
102 MMC_NOTIFYSTATE NotifyState
;
104 MMC_SENDCOMMAND SendCommand
;
105 MMC_RECEIVERESPONSE ReceiveResponse
;
107 MMC_READBLOCKDATA ReadBlockData
;
108 MMC_WRITEBLOCKDATA WriteBlockData
;
109 } EFI_MMC_HOST_PROTOCOL
;
111 extern EFI_GUID gEfiMmcHostProtocolGuid
;