--- /dev/null
+/** @file\r
+\r
+ Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r
+ \r\r
+ This program and the accompanying materials are licensed and made available under\r\r
+ the terms and conditions of the BSD License that accompanies this distribution. \r\r
+ The full text of the license may be found at \r\r
+ http://opensource.org/licenses/bsd-license.php. \r\r
+ \r\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r
+ \r\r
+\r
+Module Name:\r
+\r
+\r
+ LegacySpeaker.c\r
+\r
+Abstract:\r
+\r
+ This file implements PEIM for Legacy Speaker. This file is valid for platforms both\r
+ on IA32 and Itanium Product Family\r
+\r
+--*/\r
+\r
+#include "PlatformEarlyInit.h"\r
+\r
+EFI_STATUS\r
+OutputBeep (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN UINTN NumberOfBeep,\r
+ IN UINTN BeepDuration,\r
+ IN UINTN TimerInterval\r
+ );\r
+\r
+/**\r
+ This function will enable the speaker to generate beep\r
+\r
+ @param PeiServices PeiServices to locate PPI\r
+\r
+ @retval EFI_STATUS\r
+\r
+**/\r
+EFI_STATUS\r
+TurnOnSpeaker (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices\r
+ )\r
+{\r
+ UINT8 Data;\r
+ Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);\r
+ Data |= 0x03;\r
+ IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function will stop beep from speaker.\r
+\r
+ @param PeiServices PeiServices to locate PPI\r
+\r
+ @retval Status\r
+\r
+**/\r
+EFI_STATUS\r
+TurnOffSpeaker (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices\r
+ )\r
+{\r
+ UINT8 Data;\r
+\r
+ Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);\r
+ Data &= 0xFC;\r
+ IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+EFI_STATUS\r
+OutputBeep (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN UINTN NumberOfBeep,\r
+ IN UINTN BeepDuration,\r
+ IN UINTN TimeInterval\r
+ )\r
+{\r
+ UINTN Num;\r
+ EFI_PEI_STALL_PPI* StallPpi;\r
+\r
+ (**PeiServices).LocatePpi (PeiServices, &gEfiPeiStallPpiGuid, 0, NULL, (void **)&StallPpi);\r
+\r
+ for (Num=0; Num < NumberOfBeep; Num++) {\r
+ TurnOnSpeaker (PeiServices);\r
+ StallPpi->Stall(PeiServices, StallPpi, BeepDuration);\r
+ TurnOffSpeaker(PeiServices);\r
+ StallPpi->Stall(PeiServices, StallPpi, TimeInterval);\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function will program the speaker tone frequency. The value should be with 64k\r
+ boundary since it takes only 16 bit value which gets programmed in two step IO opearattion\r
+\r
+ Frequency - A value which should be 16 bit only.\r
+\r
+ EFI_SUCESS\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ProgramToneFrequency (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN UINT16 Frequency\r
+ )\r
+{\r
+ UINT8 Data;\r
+\r
+ Data = 0xB6;\r
+ IoWrite8(EFI_TIMER_CONTROL_PORT, Data);\r
+\r
+ Data = (UINT8)(Frequency & 0x00FF);\r
+ IoWrite8(EFI_TIMER_2_PORT, Data);\r
+ Data = (UINT8)((Frequency & 0xFF00) >> 8);\r
+ IoWrite8(EFI_TIMER_2_PORT, Data);\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+/**\r
+ This function will generate the beep for specified duration.\r
+\r
+ @param PeiServices PeiServices to locate various PPIs\r
+ @param NumberOfBeeps Number of beeps which user want to produce\r
+ @param BeepDuration Duration for speaker gate need to be enabled\r
+ @param TimeInterval Interval between each beep\r
+\r
+ @retval EFI_STATUS\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GenerateBeepTone (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN UINTN NumberOfBeeps,\r
+ IN UINTN BeepDuration,\r
+ IN UINTN TimeInterval\r
+ )\r
+{\r
+\r
+ if ((NumberOfBeeps == 1) && (BeepDuration == 0) && (TimeInterval == 0)) {\r
+ TurnOnSpeaker (PeiServices);\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ if ((NumberOfBeeps == 0) && (BeepDuration == 0) && (TimeInterval == 0)) {\r
+ TurnOffSpeaker (PeiServices);\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ if (BeepDuration == 0) {\r
+ BeepDuration = EFI_DEFAULT_SHORT_BEEP_DURATION;\r
+ }\r
+\r
+ if (TimeInterval == 0) {\r
+ TimeInterval = EFI_DEFAULT_BEEP_TIME_INTERVAL;\r
+ }\r
+\r
+ OutputBeep (PeiServices, NumberOfBeeps, BeepDuration, TimeInterval);\r
+ return EFI_SUCCESS;\r
+\r
+\r
+}\r
+\r