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- /** @file
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef __EMBEDDED_EXTERNAL_DEVICE_H__
- #define __EMBEDDED_EXTERNAL_DEVICE_H__
- //
- // Protocol GUID
- //
- #define EMBEDDED_EXTERNAL_DEVICE_PROTOCOL_GUID { 0x735F8C64, 0xD696, 0x44D0, { 0xBD, 0xF2, 0x44, 0x7F, 0xD0, 0x5A, 0x54, 0x06 }}
- //
- // Protocol interface structure
- //
- typedef struct _EMBEDDED_EXTERNAL_DEVICE EMBEDDED_EXTERNAL_DEVICE;
- //
- // Function Prototypes
- //
- typedef
- EFI_STATUS
- (EFIAPI *EMBEDDED_EXTERNAL_DEVICE_READ)(
- IN EMBEDDED_EXTERNAL_DEVICE *This,
- IN UINTN Register,
- IN UINTN Length,
- OUT VOID *Buffer
- )
- /*++
- Routine Description:
- Read a set of contiguous external device registers.
- Arguments:
- This - pointer to protocol
- Offset - starting register number
- Length - number of bytes to read
- Buffer - destination buffer
- Returns:
- EFI_SUCCESS - registers read successfully
- --*/
- ;
- typedef
- EFI_STATUS
- (EFIAPI *EMBEDDED_EXTERNAL_DEVICE_WRITE)(
- IN EMBEDDED_EXTERNAL_DEVICE *This,
- IN UINTN Register,
- IN UINTN Length,
- IN VOID *Buffer
- )
- /*++
- Routine Description:
- Write to a set of contiguous external device registers.
- Arguments:
- This - pointer to protocol
- Offset - starting register number
- Length - number of bytes to write
- Buffer - source buffer
- Returns:
- EFI_SUCCESS - registers written successfully
- --*/
- ;
- struct _EMBEDDED_EXTERNAL_DEVICE {
- EMBEDDED_EXTERNAL_DEVICE_READ Read;
- EMBEDDED_EXTERNAL_DEVICE_WRITE Write;
- };
- extern EFI_GUID gEmbeddedExternalDeviceProtocolGuid;
- #endif // __EMBEDDED_EXTERNAL_DEVICE_H__
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