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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 | |
7 | This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef __SD_MMC_OVERRIDE_H__\r | |
18 | #define __SD_MMC_OVERRIDE_H__\r | |
19 | \r | |
20 | #include <Protocol/SdMmcPassThru.h>\r | |
21 | \r | |
22 | #define EDKII_SD_MMC_OVERRIDE_PROTOCOL_GUID \\r | |
23 | { 0xeaf9e3c1, 0xc9cd, 0x46db, { 0xa5, 0xe5, 0x5a, 0x12, 0x4c, 0x83, 0x23, 0x23 } }\r | |
24 | \r | |
25 | #define EDKII_SD_MMC_OVERRIDE_PROTOCOL_VERSION 0x1\r | |
26 | \r | |
27 | typedef struct _EDKII_SD_MMC_OVERRIDE EDKII_SD_MMC_OVERRIDE;\r | |
28 | \r | |
29 | typedef enum {\r | |
30 | EdkiiSdMmcResetPre,\r | |
31 | EdkiiSdMmcResetPost,\r | |
32 | EdkiiSdMmcInitHostPre,\r | |
33 | EdkiiSdMmcInitHostPost,\r | |
34 | } EDKII_SD_MMC_PHASE_TYPE;\r | |
35 | \r | |
36 | /**\r | |
37 | \r | |
38 | Override function for SDHCI capability bits\r | |
39 | \r | |
40 | @param[in] ControllerHandle The EFI_HANDLE of the controller.\r | |
41 | @param[in] Slot The 0 based slot index.\r | |
42 | @param[in,out] SdMmcHcSlotCapability The SDHCI capability structure.\r | |
43 | \r | |
44 | @retval EFI_SUCCESS The override function completed successfully.\r | |
45 | @retval EFI_NOT_FOUND The specified controller or slot does not exist.\r | |
46 | @retval EFI_INVALID_PARAMETER SdMmcHcSlotCapability is NULL\r | |
47 | \r | |
48 | **/\r | |
49 | typedef\r | |
50 | EFI_STATUS\r | |
51 | (EFIAPI * EDKII_SD_MMC_CAPABILITY) (\r | |
52 | IN EFI_HANDLE ControllerHandle,\r | |
53 | IN UINT8 Slot,\r | |
54 | IN OUT VOID *SdMmcHcSlotCapability\r | |
55 | );\r | |
56 | \r | |
57 | /**\r | |
58 | \r | |
59 | Override function for SDHCI controller operations\r | |
60 | \r | |
61 | @param[in] ControllerHandle The EFI_HANDLE of the controller.\r | |
62 | @param[in] Slot The 0 based slot index.\r | |
63 | @param[in] PhaseType The type of operation and whether the\r | |
64 | hook is invoked right before (pre) or\r | |
65 | right after (post)\r | |
49c99534 | 66 | @param[in,out] PhaseData The pointer to a phase-specific data.\r |
c7be0dd5 AB |
67 | \r |
68 | @retval EFI_SUCCESS The override function completed successfully.\r | |
69 | @retval EFI_NOT_FOUND The specified controller or slot does not exist.\r | |
70 | @retval EFI_INVALID_PARAMETER PhaseType is invalid\r | |
71 | \r | |
72 | **/\r | |
73 | typedef\r | |
74 | EFI_STATUS\r | |
75 | (EFIAPI * EDKII_SD_MMC_NOTIFY_PHASE) (\r | |
76 | IN EFI_HANDLE ControllerHandle,\r | |
77 | IN UINT8 Slot,\r | |
49c99534 MW |
78 | IN EDKII_SD_MMC_PHASE_TYPE PhaseType,\r |
79 | IN OUT VOID *PhaseData\r | |
c7be0dd5 AB |
80 | );\r |
81 | \r | |
82 | struct _EDKII_SD_MMC_OVERRIDE {\r | |
83 | //\r | |
84 | // Protocol version of this implementation\r | |
85 | //\r | |
86 | UINTN Version;\r | |
87 | //\r | |
88 | // Callback to override SD/MMC host controller capability bits\r | |
89 | //\r | |
90 | EDKII_SD_MMC_CAPABILITY Capability;\r | |
91 | //\r | |
92 | // Callback to invoke SD/MMC override hooks\r | |
93 | //\r | |
94 | EDKII_SD_MMC_NOTIFY_PHASE NotifyPhase;\r | |
95 | };\r | |
96 | \r | |
97 | extern EFI_GUID gEdkiiSdMmcOverrideProtocolGuid;\r | |
98 | \r | |
99 | #endif\r |