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c7be0dd5 AB |
1 | /** @file\r |
2 | Protocol to describe overrides required to support non-standard SDHCI\r | |
3 | implementations\r | |
4 | \r | |
5 | Copyright (c) 2017 - 2018, Linaro, Ltd. All rights reserved.<BR>\r | |
6 | \r | |
9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
c7be0dd5 AB |
8 | \r |
9 | **/\r | |
10 | \r | |
11 | #ifndef __SD_MMC_OVERRIDE_H__\r | |
12 | #define __SD_MMC_OVERRIDE_H__\r | |
13 | \r | |
14 | #include <Protocol/SdMmcPassThru.h>\r | |
15 | \r | |
16 | #define EDKII_SD_MMC_OVERRIDE_PROTOCOL_GUID \\r | |
17 | { 0xeaf9e3c1, 0xc9cd, 0x46db, { 0xa5, 0xe5, 0x5a, 0x12, 0x4c, 0x83, 0x23, 0x23 } }\r | |
18 | \r | |
7f3b0bad | 19 | #define EDKII_SD_MMC_OVERRIDE_PROTOCOL_VERSION 0x2\r |
c7be0dd5 AB |
20 | \r |
21 | typedef struct _EDKII_SD_MMC_OVERRIDE EDKII_SD_MMC_OVERRIDE;\r | |
22 | \r | |
a4708009 TM |
23 | //\r |
24 | // Bus timing modes\r | |
25 | //\r | |
26 | typedef enum {\r | |
27 | SdMmcUhsSdr12,\r | |
28 | SdMmcUhsSdr25,\r | |
29 | SdMmcUhsSdr50,\r | |
30 | SdMmcUhsSdr104,\r | |
31 | SdMmcUhsDdr50,\r | |
32 | SdMmcMmcLegacy,\r | |
33 | SdMmcMmcHsSdr,\r | |
34 | SdMmcMmcHsDdr,\r | |
35 | SdMmcMmcHs200,\r | |
36 | SdMmcMmcHs400,\r | |
37 | } SD_MMC_BUS_MODE;\r | |
38 | \r | |
c7be0dd5 AB |
39 | typedef enum {\r |
40 | EdkiiSdMmcResetPre,\r | |
41 | EdkiiSdMmcResetPost,\r | |
42 | EdkiiSdMmcInitHostPre,\r | |
43 | EdkiiSdMmcInitHostPost,\r | |
a4708009 | 44 | EdkiiSdMmcUhsSignaling,\r |
b7b803a6 | 45 | EdkiiSdMmcSwitchClockFreqPost,\r |
c7be0dd5 AB |
46 | } EDKII_SD_MMC_PHASE_TYPE;\r |
47 | \r | |
48 | /**\r | |
49 | \r | |
50 | Override function for SDHCI capability bits\r | |
51 | \r | |
52 | @param[in] ControllerHandle The EFI_HANDLE of the controller.\r | |
53 | @param[in] Slot The 0 based slot index.\r | |
54 | @param[in,out] SdMmcHcSlotCapability The SDHCI capability structure.\r | |
7f3b0bad MW |
55 | @param[in,out] BaseClkFreq The base clock frequency value that\r |
56 | optionally can be updated.\r | |
c7be0dd5 AB |
57 | \r |
58 | @retval EFI_SUCCESS The override function completed successfully.\r | |
59 | @retval EFI_NOT_FOUND The specified controller or slot does not exist.\r | |
60 | @retval EFI_INVALID_PARAMETER SdMmcHcSlotCapability is NULL\r | |
61 | \r | |
62 | **/\r | |
63 | typedef\r | |
64 | EFI_STATUS\r | |
65 | (EFIAPI * EDKII_SD_MMC_CAPABILITY) (\r | |
66 | IN EFI_HANDLE ControllerHandle,\r | |
67 | IN UINT8 Slot,\r | |
7f3b0bad MW |
68 | IN OUT VOID *SdMmcHcSlotCapability,\r |
69 | IN OUT UINT32 *BaseClkFreq\r | |
c7be0dd5 AB |
70 | );\r |
71 | \r | |
72 | /**\r | |
73 | \r | |
74 | Override function for SDHCI controller operations\r | |
75 | \r | |
76 | @param[in] ControllerHandle The EFI_HANDLE of the controller.\r | |
77 | @param[in] Slot The 0 based slot index.\r | |
78 | @param[in] PhaseType The type of operation and whether the\r | |
79 | hook is invoked right before (pre) or\r | |
80 | right after (post)\r | |
49c99534 | 81 | @param[in,out] PhaseData The pointer to a phase-specific data.\r |
c7be0dd5 AB |
82 | \r |
83 | @retval EFI_SUCCESS The override function completed successfully.\r | |
84 | @retval EFI_NOT_FOUND The specified controller or slot does not exist.\r | |
85 | @retval EFI_INVALID_PARAMETER PhaseType is invalid\r | |
86 | \r | |
87 | **/\r | |
88 | typedef\r | |
89 | EFI_STATUS\r | |
90 | (EFIAPI * EDKII_SD_MMC_NOTIFY_PHASE) (\r | |
91 | IN EFI_HANDLE ControllerHandle,\r | |
92 | IN UINT8 Slot,\r | |
49c99534 MW |
93 | IN EDKII_SD_MMC_PHASE_TYPE PhaseType,\r |
94 | IN OUT VOID *PhaseData\r | |
c7be0dd5 AB |
95 | );\r |
96 | \r | |
97 | struct _EDKII_SD_MMC_OVERRIDE {\r | |
98 | //\r | |
99 | // Protocol version of this implementation\r | |
100 | //\r | |
101 | UINTN Version;\r | |
102 | //\r | |
103 | // Callback to override SD/MMC host controller capability bits\r | |
104 | //\r | |
105 | EDKII_SD_MMC_CAPABILITY Capability;\r | |
106 | //\r | |
107 | // Callback to invoke SD/MMC override hooks\r | |
108 | //\r | |
109 | EDKII_SD_MMC_NOTIFY_PHASE NotifyPhase;\r | |
110 | };\r | |
111 | \r | |
112 | extern EFI_GUID gEdkiiSdMmcOverrideProtocolGuid;\r | |
113 | \r | |
114 | #endif\r |