/** @file
  Copyright (C) 2020, vit9696. All rights reserved.

  All rights reserved.

  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/

#ifndef OC_AUDIO_INTERNAL_H
#define OC_AUDIO_INTERNAL_H

#include <Library/OcAudioLib.h>
#include <Protocol/AudioIo.h>
#include <Protocol/AppleBeepGen.h>
#include <Protocol/AppleVoiceOver.h>
#include <Protocol/OcAudio.h>

#define OC_AUDIO_PROTOCOL_PRIVATE_SIGNATURE  \
  SIGNATURE_32 ('D', 'J', 'B', 'n')

#define OC_AUDIO_PROTOCOL_PRIVATE_FROM_OC_AUDIO(Proto)      \
  CR (                                                      \
    (Proto),                                                \
    OC_AUDIO_PROTOCOL_PRIVATE,                              \
    OcAudio,                                                \
    OC_AUDIO_PROTOCOL_PRIVATE_SIGNATURE                     \
    )

#define OC_AUDIO_PROTOCOL_PRIVATE_FROM_VOICE_OVER(Proto)    \
  CR (                                                      \
    (Proto),                                                \
    OC_AUDIO_PROTOCOL_PRIVATE,                              \
    VoiceOver,                                              \
    OC_AUDIO_PROTOCOL_PRIVATE_SIGNATURE                     \
    )

typedef struct {
  UINT32                             Signature;
  EFI_AUDIO_IO_PROTOCOL              *AudioIo;
  OC_AUDIO_PROVIDER_ACQUIRE          ProviderAcquire;
  OC_AUDIO_PROVIDER_RELEASE          ProviderRelease;
  VOID                               *ProviderContext;
  VOID                               *CurrentBuffer;
  EFI_EVENT                          PlaybackEvent;
  UINTN                              PlaybackDelay;
  UINT8                              Language;
  UINT64                             OutputIndexMask;
  INT8                               Gain;
  OC_AUDIO_PROTOCOL                  OcAudio;
  APPLE_BEEP_GEN_PROTOCOL            BeepGen;
  APPLE_VOICE_OVER_AUDIO_PROTOCOL    VoiceOver;
} OC_AUDIO_PROTOCOL_PRIVATE;

EFI_STATUS
EFIAPI
InternalOcAudioSetDefaultGain (
  IN OUT OC_AUDIO_PROTOCOL  *This,
  IN     INT8               Gain
  );

EFI_STATUS
EFIAPI
InternalOcAudioConnect (
  IN OUT OC_AUDIO_PROTOCOL         *This,
  IN     EFI_DEVICE_PATH_PROTOCOL  *DevicePath      OPTIONAL,
  IN     UINT8                     CodecAddress     OPTIONAL,
  IN     UINT64                    OutputIndexMask
  );

EFI_STATUS
EFIAPI
InternalOcAudioSetProvider (
  IN OUT OC_AUDIO_PROTOCOL          *This,
  IN     OC_AUDIO_PROVIDER_ACQUIRE  Acquire,
  IN     OC_AUDIO_PROVIDER_RELEASE  Release  OPTIONAL,
  IN     VOID                       *Context
  );

EFI_STATUS
EFIAPI
InternalOcAudioRawGainToDecibels (
  IN OUT OC_AUDIO_PROTOCOL  *This,
  IN     UINT8              GainParam,
  OUT INT8                  *Gain
  );

EFI_STATUS
EFIAPI
InternalOcAudioPlayFile (
  IN OUT OC_AUDIO_PROTOCOL  *This,
  IN     CONST CHAR8        *BasePath,
  IN     CONST CHAR8        *BaseType,
  IN     BOOLEAN            Localised,
  IN     INT8               Gain  OPTIONAL,
  IN     BOOLEAN            UseGain,
  IN     BOOLEAN            Wait
  );

EFI_STATUS
EFIAPI
InternalOcAudioStopPlayback (
  IN OUT OC_AUDIO_PROTOCOL  *This,
  IN     BOOLEAN            Wait
  );

UINTN
EFIAPI
InternalOcAudioSetDelay (
  IN OUT OC_AUDIO_PROTOCOL  *This,
  IN     UINTN              Delay
  );

EFI_STATUS
EFIAPI
InternalOcAudioGenBeep (
  IN UINT32  ToneCount,
  IN UINTN   ToneLength,
  IN UINTN   SilenceLength
  );

EFI_STATUS
EFIAPI
InternalOcAudioVoiceOverPlay (
  IN     APPLE_VOICE_OVER_AUDIO_PROTOCOL  *This,
  IN     UINT8                            File
  );

EFI_STATUS
EFIAPI
InternalOcAudioVoiceOverSetLanguageCode (
  IN     APPLE_VOICE_OVER_AUDIO_PROTOCOL  *This,
  IN     UINT8                            LanguageCode
  );

EFI_STATUS
EFIAPI
InternalOcAudioVoiceOverSetLanguageString (
  IN     APPLE_VOICE_OVER_AUDIO_PROTOCOL  *This,
  IN     CONST CHAR8                      *LanguageString
  );

EFI_STATUS
EFIAPI
InternalOcAudioVoiceOverGetLanguage (
  IN     APPLE_VOICE_OVER_AUDIO_PROTOCOL  *This,
  OUT    UINT8                            *LanguageCode,
  OUT    CONST CHAR8                      **LanguageString
  );

#endif // OC_AUDIO_INTERNAL_H