projects / mirror_edk2.git / blame
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| 2ef2b01e A |
1 | /** @file |
| 2 | ||
| 3 | Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR> | |
| 4 | ||
| 5 | All rights reserved. This program and the accompanying materials | |
| 6 | are licensed and made available under the terms and conditions of the BSD License | |
| 7 | which accompanies this distribution. The full text of the license may be found at | |
| 8 | http://opensource.org/licenses/bsd-license.php | |
| 9 | ||
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| 12 | ||
| 13 | **/ | |
| 14 | ||
| 15 | #ifndef __EMBEDDED_EXTERNAL_DEVICE_H__ | |
| 16 | #define __EMBEDDED_EXTERNAL_DEVICE_H__ | |
| 17 | ||
| 18 | // | |
| 19 | // Protocol GUID | |
| 20 | // | |
| 21 | #define EMBEDDED_EXTERNAL_DEVICE_PROTOCOL_GUID { 0x735F8C64, 0xD696, 0x44D0, { 0xBD, 0xF2, 0x44, 0x7F, 0xD0, 0x5A, 0x54, 0x06 }} | |
| 22 | ||
| 23 | // | |
| 24 | // Protocol interface structure | |
| 25 | // | |
| 26 | typedef struct _EMBEDDED_EXTERNAL_DEVICE EMBEDDED_EXTERNAL_DEVICE; | |
| 27 | ||
| 28 | // | |
| 29 | // Function Prototypes | |
| 30 | // | |
| 31 | typedef | |
| 32 | EFI_STATUS | |
| 33 | (EFIAPI *EMBEDDED_EXTERNAL_DEVICE_READ) ( | |
| 34 | IN EMBEDDED_EXTERNAL_DEVICE *This, | |
| 35 | IN UINTN Register, | |
| 36 | IN UINTN Length, | |
| 37 | OUT VOID *Buffer | |
| 38 | ) | |
| 39 | /*++ | |
| 40 | ||
| 41 | Routine Description: | |
| 42 | ||
| 43 | Read a set of contiguous external device registers. | |
| 44 | ||
| 45 | Arguments: | |
| 46 | ||
| 47 | This - pointer to protocol | |
| 48 | Offset - starting register number | |
| 49 | Length - number of bytes to read | |
| 50 | Buffer - destination buffer | |
| 51 | ||
| 52 | Returns: | |
| 53 | ||
| 54 | EFI_SUCCESS - registers read successfully | |
| 55 | ||
| 56 | --*/ | |
| 57 | ; | |
| 58 | ||
| 59 | typedef | |
| 60 | EFI_STATUS | |
| 61 | (EFIAPI *EMBEDDED_EXTERNAL_DEVICE_WRITE) ( | |
| 62 | IN EMBEDDED_EXTERNAL_DEVICE *This, | |
| 63 | IN UINTN Register, | |
| 64 | IN UINTN Length, | |
| 65 | IN VOID *Buffer | |
| 66 | ) | |
| 67 | /*++ | |
| 68 | ||
| 69 | Routine Description: | |
| 70 | ||
| 71 | Write to a set of contiguous external device registers. | |
| 72 | ||
| 73 | Arguments: | |
| 74 | ||
| 75 | This - pointer to protocol | |
| 76 | Offset - starting register number | |
| 77 | Length - number of bytes to write | |
| 78 | Buffer - source buffer | |
| 79 | ||
| 80 | Returns: | |
| 81 | ||
| 82 | EFI_SUCCESS - registers written successfully | |
| 83 | ||
| 84 | --*/ | |
| 85 | ; | |
| 86 | ||
| 87 | struct _EMBEDDED_EXTERNAL_DEVICE { | |
| 88 | EMBEDDED_EXTERNAL_DEVICE_READ Read; | |
| 89 | EMBEDDED_EXTERNAL_DEVICE_WRITE Write; | |
| 90 | }; | |
| 91 | ||
| 92 | extern EFI_GUID gEmbeddedExternalDeviceProtocolGuid; | |
| 93 | ||
| 94 | #endif // __EMBEDDED_EXTERNAL_DEVICE_H__ |