diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/PlatformInitPei/LegacySpeaker.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/PlatformInitPei/LegacySpeaker.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformInitPei/LegacySpeaker.c b/Vlv2TbltDevicePkg/PlatformInitPei/LegacySpeaker.c new file mode 100644 index 0000000000..7ec276b089 --- /dev/null +++ b/Vlv2TbltDevicePkg/PlatformInitPei/LegacySpeaker.c @@ -0,0 +1,173 @@ +/** @file
+
+ Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that 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.
+
+
+Module Name:
+
+
+ LegacySpeaker.c
+
+Abstract:
+
+ This file implements PEIM for Legacy Speaker. This file is valid for platforms both
+ on IA32 and Itanium Product Family
+
+--*/
+
+#include "PlatformEarlyInit.h"
+
+EFI_STATUS
+OutputBeep (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN UINTN NumberOfBeep,
+ IN UINTN BeepDuration,
+ IN UINTN TimerInterval
+ );
+
+/**
+ This function will enable the speaker to generate beep
+
+ @param PeiServices PeiServices to locate PPI
+
+ @retval EFI_STATUS
+
+**/
+EFI_STATUS
+TurnOnSpeaker (
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ UINT8 Data;
+ Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);
+ Data |= 0x03;
+ IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);
+ return EFI_SUCCESS;
+}
+
+/**
+ This function will stop beep from speaker.
+
+ @param PeiServices PeiServices to locate PPI
+
+ @retval Status
+
+**/
+EFI_STATUS
+TurnOffSpeaker (
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ UINT8 Data;
+
+ Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);
+ Data &= 0xFC;
+ IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+OutputBeep (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN UINTN NumberOfBeep,
+ IN UINTN BeepDuration,
+ IN UINTN TimeInterval
+ )
+{
+ UINTN Num;
+ EFI_PEI_STALL_PPI* StallPpi;
+
+ (**PeiServices).LocatePpi (PeiServices, &gEfiPeiStallPpiGuid, 0, NULL, (void **)&StallPpi);
+
+ for (Num=0; Num < NumberOfBeep; Num++) {
+ TurnOnSpeaker (PeiServices);
+ StallPpi->Stall(PeiServices, StallPpi, BeepDuration);
+ TurnOffSpeaker(PeiServices);
+ StallPpi->Stall(PeiServices, StallPpi, TimeInterval);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function will program the speaker tone frequency. The value should be with 64k
+ boundary since it takes only 16 bit value which gets programmed in two step IO opearattion
+
+ Frequency - A value which should be 16 bit only.
+
+ EFI_SUCESS
+
+**/
+EFI_STATUS
+EFIAPI
+ProgramToneFrequency (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN UINT16 Frequency
+ )
+{
+ UINT8 Data;
+
+ Data = 0xB6;
+ IoWrite8(EFI_TIMER_CONTROL_PORT, Data);
+
+ Data = (UINT8)(Frequency & 0x00FF);
+ IoWrite8(EFI_TIMER_2_PORT, Data);
+ Data = (UINT8)((Frequency & 0xFF00) >> 8);
+ IoWrite8(EFI_TIMER_2_PORT, Data);
+ return EFI_SUCCESS;
+}
+
+/**
+ This function will generate the beep for specified duration.
+
+ @param PeiServices PeiServices to locate various PPIs
+ @param NumberOfBeeps Number of beeps which user want to produce
+ @param BeepDuration Duration for speaker gate need to be enabled
+ @param TimeInterval Interval between each beep
+
+ @retval EFI_STATUS
+
+**/
+EFI_STATUS
+EFIAPI
+GenerateBeepTone (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN UINTN NumberOfBeeps,
+ IN UINTN BeepDuration,
+ IN UINTN TimeInterval
+ )
+{
+
+ if ((NumberOfBeeps == 1) && (BeepDuration == 0) && (TimeInterval == 0)) {
+ TurnOnSpeaker (PeiServices);
+ return EFI_SUCCESS;
+ }
+
+ if ((NumberOfBeeps == 0) && (BeepDuration == 0) && (TimeInterval == 0)) {
+ TurnOffSpeaker (PeiServices);
+ return EFI_SUCCESS;
+ }
+
+ if (BeepDuration == 0) {
+ BeepDuration = EFI_DEFAULT_SHORT_BEEP_DURATION;
+ }
+
+ if (TimeInterval == 0) {
+ TimeInterval = EFI_DEFAULT_BEEP_TIME_INTERVAL;
+ }
+
+ OutputBeep (PeiServices, NumberOfBeeps, BeepDuration, TimeInterval);
+ return EFI_SUCCESS;
+
+
+}
+
|