44ad585bbafca2fe74182f20fdb1ed847cdb5a3c
[mirror_edk2.git] / ArmPkg / Universal / MmcDxe / Mmc.h
1 /** @file
2 Main Header file for the MMC DXE driver
3
4 Copyright (c) 2011, ARM Limited. All rights reserved.
5
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
10
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.
13
14 **/
15
16 #ifndef __MMC_H
17 #define __MMC_H
18
19 #include <Uefi.h>
20
21 #include <Protocol/DiskIo.h>
22 #include <Protocol/BlockIo.h>
23 #include <Protocol/DevicePath.h>
24 #include <Protocol/MmcHost.h>
25
26 #include <Library/UefiLib.h>
27
28 #define MMC_TRACE(txt) DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))
29
30 #define MMC_IOBLOCKS_READ 0
31 #define MMC_IOBLOCKS_WRITE 1
32
33 #define MMC_OCR_POWERUP 0x80000000
34
35 #define MMC_CSD_GET_CCC(Response) (Response[1] >> 20)
36 #define MMC_CSD_GET_TRANSPEED(Response) (Response[0] & 0xFF)
37 #define MMC_CSD_GET_READBLLEN(Response) ((Response[1] >> 16) & 0xF)
38 #define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[3] >> 22) & 0xF)
39 #define MMC_CSD_GET_FILEFORMAT(Response) ((Response[3] >> 10) & 0x3)
40 #define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[3] >> 15) & 0x1)
41 #define MMC_CSD_GET_DEVICESIZE(csd) (((Response[2] >> 30) & 0x3) | ((Response[1] & 0x3FF) << 2))
42 #define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[2] >> 15) & 0x7)
43
44 #define MMC_R0_CURRENTSTATE(Response) ((Response[0] >> 9) & 0xF)
45
46 #define MMC_R0_STATE_IDLE 0
47 #define MMC_R0_STATE_READY 1
48 #define MMC_R0_STATE_IDENT 2
49 #define MMC_R0_STATE_STDBY 3
50 #define MMC_R0_STATE_TRAN 4
51 #define MMC_R0_STATE_DATA 5
52
53 typedef enum {
54 UNKNOWN_CARD,
55 MMC_CARD, //MMC card
56 MMC_CARD_HIGH, //MMC Card with High capacity
57 SD_CARD, //SD 1.1 card
58 SD_CARD_2, //SD 2.0 or above standard card
59 SD_CARD_2_HIGH //SD 2.0 or above high capacity card
60 } CARD_TYPE;
61
62 typedef struct {
63 UINT32 Reserved0: 7; // 0
64 UINT32 V170_V195: 1; // 1.70V - 1.95V
65 UINT32 V200_V260: 7; // 2.00V - 2.60V
66 UINT32 V270_V360: 9; // 2.70V - 3.60V
67 UINT32 RESERVED_1: 5; // Reserved
68 UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode)
69 UINT32 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine
70 } OCR;
71
72 typedef struct {
73 UINT32 NOT_USED; // 1 [0:0]
74 UINT32 CRC; // CRC7 checksum [7:1]
75 UINT32 MDT; // Manufacturing date [19:8]
76 UINT32 RESERVED_1; // Reserved [23:20]
77 UINT32 PSN; // Product serial number [55:24]
78 UINT8 PRV; // Product revision [63:56]
79 UINT8 PNM[5]; // Product name [64:103]
80 UINT16 OID; // OEM/Application ID [119:104]
81 UINT8 MID; // Manufacturer ID [127:120]
82 } CID;
83
84 typedef struct {
85 UINT8 NOT_USED: 1; // Not used, always 1 [0:0]
86 UINT8 CRC: 7; // CRC [7:1]
87
88 UINT8 RESERVED_1: 2; // Reserved [9:8]
89 UINT8 FILE_FORMAT: 2; // File format [11:10]
90 UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12]
91 UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13]
92 UINT8 COPY: 1; // Copy flag (OTP) [14:14]
93 UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15]
94
95 UINT16 RESERVED_2: 5; // Reserved [20:16]
96 UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21]
97 UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22]
98 UINT16 R2W_FACTOR: 3; // Write speed factor [28:26]
99 UINT16 RESERVED_3: 2; // Reserved [30:29]
100 UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31]
101
102 UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32]
103 UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39]
104 UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46]
105 UINT32 C_SIZE_MULT: 3; // Device size multiplier [49:47]
106 UINT32 VDD_W_CURR_MAX: 3; // Max. write current @ VDD max [52:50]
107 UINT32 VDD_W_CURR_MIN: 3; // Max. write current @ VDD min [55:53]
108 UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56]
109 UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59]
110 UINT32 C_SIZELow2: 2; // Device size [63:62]
111
112 UINT32 C_SIZEHigh10: 10;// Device size [73:64]
113 UINT32 RESERVED_4: 2; // Reserved [75:74]
114 UINT32 DSR_IMP: 1; // DSR implemented [76:76]
115 UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77]
116 UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78]
117 UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79]
118 UINT32 READ_BL_LEN: 4; // Max. read data block length [83:80]
119 UINT32 CCC: 12;// Card command classes [95:84]
120
121 UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96]
122 UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104]
123 UINT8 TAAC ; // Data read access-time 1 [119:112]
124
125 UINT8 RESERVED_5: 6; // Reserved [125:120]
126 UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126]
127 } CSD;
128
129 typedef struct {
130 UINT16 RCA;
131 CARD_TYPE CardType;
132 OCR OCRData;
133 CID CIDData;
134 CSD CSDData;
135 } CARD_INFO;
136
137 typedef struct _MMC_HOST_INSTANCE {
138 UINTN Signature;
139 LIST_ENTRY Link;
140 EFI_HANDLE MmcHandle;
141 EFI_DEVICE_PATH_PROTOCOL *DevicePath;
142
143 MMC_STATE State;
144 EFI_BLOCK_IO_PROTOCOL BlockIo;
145 CARD_INFO CardInfo;
146 EFI_MMC_HOST_PROTOCOL *MmcHost;
147 } MMC_HOST_INSTANCE;
148
149 #define MMC_HOST_INSTANCE_SIGNATURE SIGNATURE_32('m', 'm', 'c', 'h')
150 #define MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(a) CR (a, MMC_HOST_INSTANCE, BlockIo, MMC_HOST_INSTANCE_SIGNATURE)
151 #define MMC_HOST_INSTANCE_FROM_LINK(a) CR (a, MMC_HOST_INSTANCE, Link, MMC_HOST_INSTANCE_SIGNATURE)
152
153
154 EFI_STATUS
155 EFIAPI
156 MmcGetDriverName (
157 IN EFI_COMPONENT_NAME_PROTOCOL *This,
158 IN CHAR8 *Language,
159 OUT CHAR16 **DriverName
160 );
161
162 EFI_STATUS
163 EFIAPI
164 MmcGetControllerName (
165 IN EFI_COMPONENT_NAME_PROTOCOL *This,
166 IN EFI_HANDLE ControllerHandle,
167 IN EFI_HANDLE ChildHandle OPTIONAL,
168 IN CHAR8 *Language,
169 OUT CHAR16 **ControllerName
170 );
171
172 extern EFI_COMPONENT_NAME_PROTOCOL gMmcComponentName;
173 extern EFI_COMPONENT_NAME2_PROTOCOL gMmcComponentName2;
174
175 extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2;
176
177 extern LIST_ENTRY mMmcHostPool;
178
179 /**
180 Reset the block device.
181
182 This function implements EFI_BLOCK_IO_PROTOCOL.Reset().
183 It resets the block device hardware.
184 ExtendedVerification is ignored in this implementation.
185
186 @param This Indicates a pointer to the calling context.
187 @param ExtendedVerification Indicates that the driver may perform a more exhaustive
188 verification operation of the device during reset.
189
190 @retval EFI_SUCCESS The block device was reset.
191 @retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.
192
193 **/
194 EFI_STATUS
195 EFIAPI
196 MmcReset (
197 IN EFI_BLOCK_IO_PROTOCOL *This,
198 IN BOOLEAN ExtendedVerification
199 );
200
201 /**
202 Reads the requested number of blocks from the device.
203
204 This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().
205 It reads the requested number of blocks from the device.
206 All the blocks are read, or an error is returned.
207
208 @param This Indicates a pointer to the calling context.
209 @param MediaId The media ID that the read request is for.
210 @param Lba The starting logical block address to read from on the device.
211 @param BufferSize The size of the Buffer in bytes.
212 This must be a multiple of the intrinsic block size of the device.
213 @param Buffer A pointer to the destination buffer for the data. The caller is
214 responsible for either having implicit or explicit ownership of the buffer.
215
216 @retval EFI_SUCCESS The data was read correctly from the device.
217 @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.
218 @retval EFI_NO_MEDIA There is no media in the device.
219 @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
220 @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.
221 @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
222 or the buffer is not on proper alignment.
223
224 **/
225 EFI_STATUS
226 EFIAPI
227 MmcReadBlocks (
228 IN EFI_BLOCK_IO_PROTOCOL *This,
229 IN UINT32 MediaId,
230 IN EFI_LBA Lba,
231 IN UINTN BufferSize,
232 OUT VOID *Buffer
233 );
234
235 /**
236 Writes a specified number of blocks to the device.
237
238 This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().
239 It writes a specified number of blocks to the device.
240 All blocks are written, or an error is returned.
241
242 @param This Indicates a pointer to the calling context.
243 @param MediaId The media ID that the write request is for.
244 @param Lba The starting logical block address to be written.
245 @param BufferSize The size of the Buffer in bytes.
246 This must be a multiple of the intrinsic block size of the device.
247 @param Buffer Pointer to the source buffer for the data.
248
249 @retval EFI_SUCCESS The data were written correctly to the device.
250 @retval EFI_WRITE_PROTECTED The device cannot be written to.
251 @retval EFI_NO_MEDIA There is no media in the device.
252 @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
253 @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.
254 @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic
255 block size of the device.
256 @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
257 or the buffer is not on proper alignment.
258
259 **/
260 EFI_STATUS
261 EFIAPI
262 MmcWriteBlocks (
263 IN EFI_BLOCK_IO_PROTOCOL *This,
264 IN UINT32 MediaId,
265 IN EFI_LBA Lba,
266 IN UINTN BufferSize,
267 IN VOID *Buffer
268 );
269
270 /**
271 Flushes all modified data to a physical block device.
272
273 @param This Indicates a pointer to the calling context.
274
275 @retval EFI_SUCCESS All outstanding data were written correctly to the device.
276 @retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.
277 @retval EFI_NO_MEDIA There is no media in the device.
278
279 **/
280 EFI_STATUS
281 EFIAPI
282 MmcFlushBlocks (
283 IN EFI_BLOCK_IO_PROTOCOL *This
284 );
285
286 #endif