LegacySpeaker.h 1.5 KB

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  1. /*++
  2. Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
  3. SPDX-License-Identifier: BSD-2-Clause-Patent
  4. Module Name:
  5. LegacySpeaker.h
  6. Abstract:
  7. Speaker enabling related data
  8. --*/
  9. #ifndef _PEI_LEGACY_SPEAKER_H
  10. #define _PEI_LEGACY_SPEAKER_H
  11. //
  12. // Speaker Related Port Information
  13. //
  14. #define EFI_TIMER_COUNTER_PORT 0x40
  15. #define EFI_TIMER_CONTROL_PORT 0x43
  16. #define EFI_TIMER_2_PORT 0x42
  17. #define EFI_SPEAKER_CONTROL_PORT 0x61
  18. #define EFI_SPEAKER_OFF_MASK 0xFC
  19. #define EFI_DEFAULT_BEEP_FREQUENCY 0x500
  20. //
  21. // Default Intervals/Beep Duration
  22. //
  23. #define EFI_DEFAULT_LONG_BEEP_DURATION 0x70000
  24. #define EFI_DEFAULT_SHORT_BEEP_DURATION 0x50000
  25. #define EFI_DEFAULT_BEEP_TIME_INTERVAL 0x20000
  26. EFI_STATUS
  27. EFIAPI
  28. ProgramToneFrequency (
  29. IN CONST EFI_PEI_SERVICES **PeiServices,
  30. IN UINT16 Frequency
  31. );
  32. EFI_STATUS
  33. EFIAPI
  34. GenerateBeepTone (
  35. IN CONST EFI_PEI_SERVICES **PeiServices,
  36. IN UINTN NumberOfBeeps,
  37. IN UINTN BeepDuration,
  38. IN UINTN TimeInterval
  39. );
  40. EFI_STATUS
  41. TurnOnSpeaker (
  42. IN CONST EFI_PEI_SERVICES **PeiServices
  43. );
  44. EFI_STATUS
  45. TurnOffSpeaker (
  46. IN CONST EFI_PEI_SERVICES **PeiServices
  47. );
  48. #endif