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/** @file
Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _96BOARDS_MEZZANINE_H_
#define _96BOARDS_MEZZANINE_H_
#include <Pi/PiI2c.h>
#include <Protocol/AcpiTable.h>
#include <Protocol/SpiConfiguration.h>
#define MEZZANINE_PROTOCOL_GUID \
{ 0xf0467a37, 0x3436, 0x40ef, { 0x94, 0x09, 0x4d, 0x1d, 0x7f, 0x51, 0x06, 0xd3 } }
typedef struct _MEZZANINE_PROTOCOL MEZZANINE_PROTOCOL;
/**
Apply the mezzanine's DT overlay
@param[in] This Pointer to the MEZZANINE_PROTOCOL instance.
@param[in,out] Dtb Pointer to the device tree blob
@return EFI_SUCCESS Operation succeeded.
@return other An error has occurred.
**/
typedef
EFI_STATUS
(EFIAPI *APPLY_DEVICE_TREE_OVERLAY) (
IN MEZZANINE_PROTOCOL *This,
IN OUT VOID *Dtb
);
/**
Install the mezzanine's SSDT table
@param[in] This Pointer to the MEZZANINE_PROTOCOL instance.
@param[in] Dtb Pointer to the device tree blob
@return EFI_SUCCESS Operation succeeded.
@return other An error has occurred.
**/
typedef
EFI_STATUS
(EFIAPI *INSTALL_SSDT_TABLE) (
IN MEZZANINE_PROTOCOL *This,
IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol
);
struct _MEZZANINE_PROTOCOL {
//
// Get the device tree overlay for this mezzanine board
//
APPLY_DEVICE_TREE_OVERLAY ApplyDeviceTreeOverlay;
//
// Install the mezzanine's SSDT table
//
INSTALL_SSDT_TABLE InstallSsdtTable;
//
// The number of devices on LS connector I2C bus #0
//
UINT32 I2c0NumDevices;
//
// The number of devices on LS connector I2C bus #1
//
UINT32 I2c1NumDevices;
//
// Linear array of I2C devices on LS connector bus #0
//
CONST EFI_I2C_DEVICE *I2c0DeviceArray;
//
// Linear array of I2C devices on LS connector bus #0
//
CONST EFI_I2C_DEVICE *I2c1DeviceArray;
//
// NULL terminated linked list of SPI devices attached to the LS connector
//
CONST EFI_SPI_PERIPHERAL *SpiDeviceLinkedList;
};
extern EFI_GUID g96BoardsMezzanineProtocolGuid;
#endif // _96BOARDS_MEZZANINE_H_
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