HdaCodecInfo.h

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/*
 * File: HdaCodecInfo.h
 *
 * Copyright (c) 2018 John Davis
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#ifndef EFI_HDA_CODEC_INFO_H
#define EFI_HDA_CODEC_INFO_H
 
#include <Uefi.h>
 
#define EFI_HDA_CODEC_INFO_PROTOCOL_GUID \
  { 0x6C9CDDE1, 0xE8A5, 0x43E5,          \
    { 0xBE, 0x88, 0xDA, 0x15, 0xBC, 0x1C, 0x02, 0x50 } }
 
typedef struct EFI_HDA_CODEC_INFO_PROTOCOL_ EFI_HDA_CODEC_INFO_PROTOCOL;
 
typedef struct {
  UINT8     NodeId;
  UINT32    Capabilities;
  UINT8     DefaultUnSol;
  UINT8     DefaultEapd;
  UINT32    ConnectionCount;
  UINT16    *Connections;
  UINT32    SupportedPowerStates;
  UINT32    DefaultPowerState;
  UINT32    AmpInCapabilities;
  UINT32    AmpOutCapabilities;
  UINT8     *AmpInLeftDefaultGainMute;
  UINT8     *AmpInRightDefaultGainMute;
  UINT8     AmpOutLeftDefaultGainMute;
  UINT8     AmpOutRightDefaultGainMute;
  UINT32    SupportedPcmRates;
  UINT32    SupportedFormats;
  UINT16    DefaultConvFormat;
  UINT8     DefaultConvStreamChannel;
  UINT8     DefaultConvChannelCount;
  UINT32    PinCapabilities;
  UINT8     DefaultPinControl;
  UINT32    DefaultConfiguration;
  UINT32    VolumeCapabilities;
  UINT8     DefaultVolume;
} HDA_WIDGET;
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_ADDRESS)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT UINT8                        *Address
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_NAME)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT CONST CHAR16                 **CodecName
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_VENDOR_ID)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT UINT32                       *VendorId
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_REVISION_ID)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT UINT32                       *RevisionId
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_AUDIO_FUNC_ID)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT UINT8                        *AudioFuncId,
  OUT BOOLEAN                      *UnsolCapable
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_DEFAULT_RATES_FORMATS)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT UINT32                       *Rates,
  OUT UINT32                       *Formats
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_DEFAULT_AMP_CAPS)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT UINT32                       *AmpInCaps,
  OUT UINT32                       *AmpOutCaps
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_GET_WIDGETS)(
  IN  EFI_HDA_CODEC_INFO_PROTOCOL  *This,
  OUT HDA_WIDGET                   **Widgets,
  OUT UINTN                        *WidgetCount
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_HDA_CODEC_INFO_FREE_WIDGETS_BUFFER)(
  IN  HDA_WIDGET                   *Widgets,
  IN  UINTN                        WidgetCount
  );
 
struct EFI_HDA_CODEC_INFO_PROTOCOL_ {
  EFI_HDA_CODEC_INFO_GET_ADDRESS                  GetAddress;
  EFI_HDA_CODEC_INFO_GET_NAME                     GetName;
  EFI_HDA_CODEC_INFO_GET_VENDOR_ID                GetVendorId;
  EFI_HDA_CODEC_INFO_GET_REVISION_ID              GetRevisionId;
  EFI_HDA_CODEC_INFO_GET_AUDIO_FUNC_ID            GetAudioFuncId;
  EFI_HDA_CODEC_INFO_GET_DEFAULT_RATES_FORMATS    GetDefaultRatesFormats;
  EFI_HDA_CODEC_INFO_GET_DEFAULT_AMP_CAPS         GetDefaultAmpCaps;
  EFI_HDA_CODEC_INFO_GET_WIDGETS                  GetWidgets;
  EFI_HDA_CODEC_INFO_FREE_WIDGETS_BUFFER          FreeWidgetsBuffer;
};
 
extern EFI_GUID  gEfiHdaCodecInfoProtocolGuid;
 
#endif // EFI_HDA_CODEC_INFO_H