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