/** @file
  NHLT structure definitions.

@copyright
  INTEL CONFIDENTIAL
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  source code ("Material") are owned by Intel Corporation or its suppliers or
  licensors. Title to the Material remains with Intel Corporation or its suppliers
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  confidential information of Intel Corporation and its suppliers and licensors,
  and is protected by worldwide copyright and trade secret laws and treaty
  provisions. No part of the Material may be used, copied, reproduced, modified,
  published, uploaded, posted, transmitted, distributed, or disclosed in any way
  without Intel's prior express written permission.

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  of the Materials, either expressly, by implication, inducement, estoppel or
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  express and approved by Intel in writing.

  Unless otherwise agreed by Intel in writing, you may not remove or alter
  this notice or any other notice embedded in Materials by Intel or
  Intel's suppliers or licensors in any way.

  This file contains an 'Intel Peripheral Driver' and is uniquely identified as
  "Intel Reference Module" and is licensed for Intel CPUs and chipsets under
  the terms of your license agreement with Intel or your vendor. This file may
  be modified by the user, subject to additional terms of the license agreement.

@par Specification Reference:
**/

#ifndef _NHLT_H_
#define _NHLT_H_

#include <IndustryStandard/Acpi.h>

//
// ACPI support protocol instance signature definition.
//
#define NHLT_ACPI_TABLE_SIGNATURE  SIGNATURE_32 ('N', 'H', 'L', 'T')

#pragma pack (push, 1)

typedef struct {
  UINT16  wFormatTag;
  UINT16  nChannels;
  UINT32  nSamplesPerSec;
  UINT32  nAvgBytesPerSec;
  UINT16  nBlockAlign;
  UINT16  wBitsPerSample;
  UINT16  cbSize;
} WAVEFORMATEX;

typedef struct {
  WAVEFORMATEX Format;
  union {
    UINT16 wValidBitsPerSample;
    UINT16 wSamplesPerBlock;
    UINT16 wReserved;
  } Samples;
  UINT32       dwChannelMask;
  GUID         SubFormat;
} WAVEFORMATEXTENSIBLE;

typedef struct {
  UINT32    CapabilitiesSize;
  UINT8     Capabilities[1];
} SPECIFIC_CONFIG;

typedef struct {
  WAVEFORMATEXTENSIBLE Format;
  SPECIFIC_CONFIG      FormatConfiguration;
} FORMAT_CONFIG;

typedef struct {
  UINT8           FormatsCount;
  FORMAT_CONFIG   FormatsConfiguration[1];
} FORMATS_CONFIG;

typedef struct {
  UINT8           DeviceId[16];
  UINT8           DeviceInstanceId;
  UINT8           DevicePortId;
} DEVICE_INFO;

typedef struct {
  UINT8           DeviceInfoCount;
  DEVICE_INFO     DeviceInformation[1];
} DEVICES_INFO;

typedef struct {
  UINT32          EndpointDescriptorLength;
  UINT8           LinkType;
  UINT8           InstanceId;
  UINT16          HwVendorId;
  UINT16          HwDeviceId;
  UINT16          HwRevisionId;
  UINT32          HwSubsystemId;
  UINT8           DeviceType;
  UINT8           Direction;
  UINT8           VirtualBusId;
  SPECIFIC_CONFIG EndpointConfig;
  FORMATS_CONFIG  FormatsConfig;
  DEVICES_INFO    DevicesInformation;
} ENDPOINT_DESCRIPTOR;

//
// High Level Table structure
//
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT8                       EndpointCount;   // Actual number of endpoints
  ENDPOINT_DESCRIPTOR         EndpointDescriptors[1];
  SPECIFIC_CONFIG             OedConfiguration;
} NHLT_ACPI_TABLE;

#pragma pack (pop)

#endif // _DXE_PCH_HDA_NHLT_H_