46   UINT8                   Data;  in TurnOnSpeaker()
47   Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);  in TurnOnSpeaker()
48   Data |= 0x03;  in TurnOnSpeaker()
49   IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);  in TurnOnSpeaker()
64   UINT8                   Data;  in TurnOffSpeaker()
66   Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);  in TurnOffSpeaker()
67   Data &= 0xFC;  in TurnOffSpeaker()
68   IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);  in TurnOffSpeaker()
121   UINT8                   Data;  in ProgramToneFrequency()
123   Data = 0xB6;  in ProgramToneFrequency()
124   IoWrite8(EFI_TIMER_CONTROL_PORT, Data);  in ProgramToneFrequency()
126   Data = (UINT8)(Frequency & 0x00FF);  in ProgramToneFrequency()
127   IoWrite8(EFI_TIMER_2_PORT, Data);  in ProgramToneFrequency()
128   Data = (UINT8)((Frequency & 0xFF00) >> 8);  in ProgramToneFrequency()
129   IoWrite8(EFI_TIMER_2_PORT, Data);  in ProgramToneFrequency()