/** @file
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Header file for DxePchHdaLib - NHLT structure definitions.
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _DXE_PCH_HDA_NHLT_H_
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#define _DXE_PCH_HDA_NHLT_H_
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#include <IndustryStandard/Acpi.h>
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//
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// ACPI support protocol instance signature definition.
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//
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#define NHLT_ACPI_TABLE_SIGNATURE SIGNATURE_32 ('N', 'H', 'L', 'T')
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// MSFT defined structures
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#define SPEAKER_FRONT_LEFT 0x1
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#define SPEAKER_FRONT_RIGHT 0x2
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#define SPEAKER_FRONT_CENTER 0x4
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#define SPEAKER_BACK_LEFT 0x10
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#define SPEAKER_BACK_RIGHT 0x20
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#define KSAUDIO_SPEAKER_MONO (SPEAKER_FRONT_CENTER)
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#define KSAUDIO_SPEAKER_STEREO (SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT)
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#define KSAUDIO_SPEAKER_QUAD (SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT)
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#define WAVE_FORMAT_EXTENSIBLE 0xFFFE /* Microsoft */
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#define KSDATAFORMAT_SUBTYPE_PCM \
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{0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}
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#pragma pack (push, 1)
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typedef struct {
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UINT16 wFormatTag;
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UINT16 nChannels;
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UINT32 nSamplesPerSec;
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UINT32 nAvgBytesPerSec;
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UINT16 nBlockAlign;
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UINT16 wBitsPerSample;
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UINT16 cbSize;
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} WAVEFORMATEX;
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typedef struct {
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WAVEFORMATEX Format;
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union {
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UINT16 wValidBitsPerSample;
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UINT16 wSamplesPerBlock;
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UINT16 wReserved;
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} Samples;
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UINT32 dwChannelMask;
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GUID SubFormat;
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} WAVEFORMATEXTENSIBLE;
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//
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// List of supported link type.
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//
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enum NHLT_LINK_TYPE
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{
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HdaNhltLinkHd = 0,
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HdaNhltLinkDsp = 1,
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HdaNhltLinkDmic = 2,
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HdaNhltLinkSsp = 3,
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HdaNhltLinkInvalid
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};
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//
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// List of supported device type.
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//
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enum NHLT_DEVICE_TYPE
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{
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HdaNhltDeviceBt = 0,
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HdaNhltDeviceDmic = 1,
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HdaNhltDeviceI2s = 4,
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HdaNhltDeviceInvalid
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};
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typedef struct {
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UINT32 CapabilitiesSize;
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UINT8 Capabilities[1];
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} SPECIFIC_CONFIG;
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typedef struct {
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WAVEFORMATEXTENSIBLE Format;
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SPECIFIC_CONFIG FormatConfiguration;
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} FORMAT_CONFIG;
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typedef struct {
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UINT8 FormatsCount;
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FORMAT_CONFIG FormatsConfiguration[1];
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} FORMATS_CONFIG;
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typedef struct {
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UINT32 EndpointDescriptorLength;
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UINT8 LinkType;
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UINT8 InstanceId;
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UINT16 HwVendorId;
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UINT16 HwDeviceId;
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UINT16 HwRevisionId;
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UINT32 HwSubsystemId;
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UINT8 DeviceType;
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UINT8 Direction;
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UINT8 VirtualBusId;
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SPECIFIC_CONFIG EndpointConfig;
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FORMATS_CONFIG FormatsConfig;
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} ENDPOINT_DESCRIPTOR;
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//
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// High Level Table structure
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//
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header; //{'N', 'H', 'L', 'T'}
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UINT8 EndpointCount; // Actual number of endpoints
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ENDPOINT_DESCRIPTOR EndpointDescriptors[1];
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SPECIFIC_CONFIG OedConfiguration;
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} NHLT_ACPI_TABLE;
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#pragma pack (pop)
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#endif // _DXE_PCH_HDA_NHLT_H_
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