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1/** @file\r
2\r
3The definition for SD host controller driver model and HC protocol routines.\r
4\r
5Copyright (c) 2013-2015 Intel Corporation.\r
6\r
7This program and the accompanying materials\r
8are licensed and made available under the terms and conditions of the BSD License\r
9which accompanies this distribution. The full text of the license may be found at\r
10http://opensource.org/licenses/bsd-license.php\r
11\r
12THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
13WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
14\r
15**/\r
16\r
17#ifndef _SD_CONTROLLER_H_\r
18#define _SD_CONTROLLER_H_\r
19\r
20\r
21#include <Uefi.h>\r
22\r
23\r
24#include <Protocol/PciIo.h>\r
25\r
26#include <Library/DebugLib.h>\r
27#include <Library/BaseMemoryLib.h>\r
28#include <Library/UefiDriverEntryPoint.h>\r
29#include <Library/UefiBootServicesTableLib.h>\r
30#include <Library/UefiLib.h>\r
31#include <Library/BaseLib.h>\r
32#include <Library/MemoryAllocationLib.h>\r
33#include <Library/PcdLib.h>\r
34#include <IndustryStandard/Pci22.h>\r
35\r
36\r
37#include "ComponentName.h"\r
38#include "SDHostIo.h"\r
39\r
40\r
41extern EFI_DRIVER_BINDING_PROTOCOL gSDControllerDriverBinding;\r
42extern EFI_COMPONENT_NAME_PROTOCOL gSDControllerName;\r
43extern EFI_COMPONENT_NAME2_PROTOCOL gSDControllerName2;\r
44\r
45\r
46#define SDHOST_DATA_SIGNATURE SIGNATURE_32 ('s', 'd', 'h', 's')\r
47\r
48#define BLOCK_SIZE 0x200\r
49#define TIME_OUT_1S 1000\r
50\r
51#pragma pack(1)\r
52//\r
53// PCI Class Code structure\r
54//\r
55typedef struct {\r
56 UINT8 PI;\r
57 UINT8 SubClassCode;\r
58 UINT8 BaseCode;\r
59} PCI_CLASSC;\r
60\r
61#pragma pack()\r
62\r
63\r
64typedef struct {\r
65 UINTN Signature;\r
66 EFI_SD_HOST_IO_PROTOCOL SDHostIo;\r
67 EFI_PCI_IO_PROTOCOL *PciIo;\r
68 BOOLEAN IsAutoStopCmd;\r
69 UINT32 BaseClockInMHz;\r
70 UINT32 CurrentClockInKHz;\r
71 UINT32 BlockLength;\r
72 EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r
73}SDHOST_DATA;\r
74\r
75#define SDHOST_DATA_FROM_THIS(a) \\r
76 CR(a, SDHOST_DATA, SDHostIo, SDHOST_DATA_SIGNATURE)\r
77\r
78/**\r
79 Test to see if this driver supports ControllerHandle. Any\r
80 ControllerHandle that has SDHostIoProtocol installed will be supported.\r
81\r
82 @param This Protocol instance pointer.\r
83 @param Controller Handle of device to test.\r
84 @param RemainingDevicePath Not used.\r
85\r
86 @return EFI_SUCCESS This driver supports this device.\r
87 @return EFI_UNSUPPORTED This driver does not support this device.\r
88\r
89**/\r
90EFI_STATUS\r
91EFIAPI\r
92SDControllerSupported (\r
93 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
94 IN EFI_HANDLE Controller,\r
95 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
96 );\r
97\r
98/**\r
99 Starting the SD Host Controller Driver.\r
100\r
101 @param This Protocol instance pointer.\r
102 @param Controller Handle of device to test.\r
103 @param RemainingDevicePath Not used.\r
104\r
105 @retval EFI_SUCCESS This driver supports this device.\r
106 @retval EFI_UNSUPPORTED This driver does not support this device.\r
107 @retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r
108 EFI_OUT_OF_RESOURCES- Failed due to resource shortage.\r
109\r
110**/\r
111EFI_STATUS\r
112EFIAPI\r
113SDControllerStart (\r
114 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
115 IN EFI_HANDLE Controller,\r
116 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
117 );\r
118\r
119/**\r
120 Stop this driver on ControllerHandle. Support stoping any child handles\r
121 created by this driver.\r
122\r
123 @param This Protocol instance pointer.\r
124 @param Controller Handle of device to stop driver on.\r
125 @param NumberOfChildren Number of Children in the ChildHandleBuffer.\r
126 @param ChildHandleBuffer List of handles for the children we need to stop.\r
127\r
128 @return EFI_SUCCESS\r
129 @return others\r
130\r
131**/\r
132EFI_STATUS\r
133EFIAPI\r
134SDControllerStop (\r
135 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
136 IN EFI_HANDLE Controller,\r
137 IN UINTN NumberOfChildren,\r
138 IN EFI_HANDLE *ChildHandleBuffer\r
139 );\r
140\r
141/**\r
142 The main function used to send the command to the card inserted into the SD host slot.\r
143 It will assemble the arguments to set the command register and wait for the command\r
144 and transfer completed until timeout. Then it will read the response register to fill\r
145 the ResponseData.\r
146\r
147 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
148 @param CommandIndex The command index to set the command index field of command register.\r
149 @param Argument Command argument to set the argument field of command register.\r
150 @param DataType TRANSFER_TYPE, indicates no data, data in or data out.\r
151 @param Buffer Contains the data read from / write to the device.\r
152 @param BufferSize The size of the buffer.\r
153 @param ResponseType RESPONSE_TYPE.\r
154 @param TimeOut Time out value in 1 ms unit.\r
155 @param ResponseData Depending on the ResponseType, such as CSD or card status.\r
156\r
157 @retval EFI_SUCCESS\r
158 @retval EFI_INVALID_PARAMETER\r
159 @retval EFI_OUT_OF_RESOURCES\r
160 @retval EFI_TIMEOUT\r
161 @retval EFI_DEVICE_ERROR\r
162\r
163**/\r
164EFI_STATUS\r
165EFIAPI\r
166SendCommand (\r
167 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
168 IN UINT16 CommandIndex,\r
169 IN UINT32 Argument,\r
170 IN TRANSFER_TYPE DataType,\r
171 IN UINT8 *Buffer, OPTIONAL\r
172 IN UINT32 BufferSize,\r
173 IN RESPONSE_TYPE ResponseType,\r
174 IN UINT32 TimeOut,\r
175 OUT UINT32 *ResponseData OPTIONAL\r
176 );\r
177\r
178/**\r
179 Set max clock frequency of the host, the actual frequency may not be the same as MaxFrequency.\r
180 It depends on the max frequency the host can support, divider, and host speed mode.\r
181\r
182 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
183 @param MaxFrequency Max frequency in HZ.\r
184\r
185 @retval EFI_SUCCESS\r
186 @retval EFI_TIMEOUT\r
187\r
188**/\r
189EFI_STATUS\r
190EFIAPI\r
191SetClockFrequency (\r
192 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
193 IN UINT32 MaxFrequencyInKHz\r
194 );\r
195\r
196/**\r
197 Set bus width of the host controller\r
198\r
199 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
200 @param BusWidth Bus width in 1, 4, 8 bits.\r
201\r
202 @retval EFI_SUCCESS\r
203 @retval EFI_INVALID_PARAMETER\r
204\r
205**/\r
206EFI_STATUS\r
207EFIAPI\r
208SetBusWidth (\r
209 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
210 IN UINT32 BusWidth\r
211 );\r
212\r
213\r
214/**\r
215 Set voltage which could supported by the host controller.\r
216 Support 0(Power off the host), 1.8V, 3.0V, 3.3V\r
217\r
218 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
219 @param Voltage Units in 0.1 V.\r
220\r
221 @retval EFI_SUCCESS\r
222 @retval EFI_INVALID_PARAMETER\r
223\r
224**/\r
225EFI_STATUS\r
226EFIAPI\r
227SetHostVoltage (\r
228 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
229 IN UINT32 Voltage\r
230 );\r
231\r
232\r
233/**\r
234 Reset the host controller.\r
235\r
236 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
237 @param ResetAll TRUE to reset all.\r
238\r
239 @retval EFI_SUCCESS\r
240 @retval EFI_TIMEOUT\r
241\r
242**/\r
243EFI_STATUS\r
244EFIAPI\r
245ResetSDHost (\r
246 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
247 IN RESET_TYPE ResetType\r
248 );\r
249\r
250\r
251/**\r
252 Enable auto stop on the host controller.\r
253\r
254 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
255 @param Enable TRUE to enable, FALSE to disable.\r
256\r
257 @retval EFI_SUCCESS\r
258 @retval EFI_TIMEOUT\r
259\r
260**/\r
261EFI_STATUS\r
262EFIAPI\r
263EnableAutoStopCmd (\r
264 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
265 IN BOOLEAN Enable\r
266 );\r
267\r
268/**\r
269 Find whether these is a card inserted into the slot. If so init the host.\r
270 If not, return EFI_NOT_FOUND.\r
271\r
272 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
273\r
274 @retval EFI_SUCCESS\r
275 @retval EFI_NOT_FOUND\r
276\r
277**/\r
278EFI_STATUS\r
279EFIAPI\r
280DetectCardAndInitHost (\r
281 IN EFI_SD_HOST_IO_PROTOCOL *This\r
282 );\r
283\r
284/**\r
285 Set the Block length on the host controller.\r
286\r
287 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
288 @param BlockLength card supportes block length.\r
289\r
290 @retval EFI_SUCCESS\r
291 @retval EFI_TIMEOUT\r
292\r
293**/\r
294EFI_STATUS\r
295EFIAPI\r
296SetBlockLength (\r
297 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
298 IN UINT32 BlockLength\r
299 );\r
300\r
301/**\r
302 Enable/Disable High Speed transfer mode\r
303\r
304 @param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.\r
305 @param Enable TRUE to Enable, FALSE to Disable\r
306\r
307 @return EFI_SUCCESS\r
308**/\r
309EFI_STATUS\r
310EFIAPI\r
311SetHighSpeedMode (\r
312 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
313 IN BOOLEAN Enable\r
314 );\r
315\r
316EFI_STATUS\r
317EFIAPI\r
318SetDDRMode (\r
319 IN EFI_SD_HOST_IO_PROTOCOL *This,\r
320 IN BOOLEAN Enable\r
321 );\r
322#endif\r