From: vanjeff Date: Wed, 15 Apr 2009 03:25:39 +0000 (+0000) Subject: retire i2c library, move its implementation to CirrusLogic5430Dxe X-Git-Tag: edk2-stable201903~18179 X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=2e2938977f6fcaaf3216c086b586f58380fdfacb retire i2c library, move its implementation to CirrusLogic5430Dxe git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8085 6f19259b-4bc3-4df7-8a09-765794883524 --- diff --git a/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h b/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h index 3edf540463..8ff302ac2b 100644 --- a/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h +++ b/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430.h @@ -38,7 +38,7 @@ #include #include #include -#include +#include #include // diff --git a/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf b/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf index dca2b1184f..82bdce0111 100644 --- a/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf +++ b/OptionRomPkg/CirrusLogic5430Dxe/CirrusLogic5430Dxe.inf @@ -9,7 +9,7 @@ # requires both the UGA Draw and the UGA I/O Protocol. Please refer to Microsoft's # documentation on UGA for details on how to write a UGA driver that is able # to function both in the EFI pre-boot environment and from the OS runtime. -# Copyright (c) 2006 - 2007, Intel Corporation +# Copyright (c) 2006 - 2009, Intel Corporation # # All rights reserved. This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License @@ -49,6 +49,8 @@ CirrusLogic5430.c CirrusLogic5430.h Edid.c + CirrusLogic5430I2c.h + CirrusLogic5430I2c.c [Packages] MdePkg/MdePkg.dec @@ -62,7 +64,7 @@ DebugLib BaseMemoryLib DevicePathLib - DxeI2cLib + TimerLib [Protocols] gEfiDriverSupportedEfiVersionProtocolGuid # PROTOCOL ALWAYS_PRODUCED diff --git a/OptionRomPkg/CirrusLogic5430Dxe/Edid.c b/OptionRomPkg/CirrusLogic5430Dxe/Edid.c index fcbfc02410..ccf8584787 100644 --- a/OptionRomPkg/CirrusLogic5430Dxe/Edid.c +++ b/OptionRomPkg/CirrusLogic5430Dxe/Edid.c @@ -13,6 +13,7 @@ **/ #include "CirrusLogic5430.h" +#include "CirrusLogic5430I2c.h" // // EDID block diff --git a/OptionRomPkg/Include/Library/DxeI2cLib.h b/OptionRomPkg/Include/Library/DxeI2cLib.h deleted file mode 100644 index 5325560cb9..0000000000 --- a/OptionRomPkg/Include/Library/DxeI2cLib.h +++ /dev/null @@ -1,64 +0,0 @@ -/** @file - I2c Bus byte read/write functions. - - Copyright (c) 2008, Intel Corporation - 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. - -**/ - -#include - -/** - Read one byte data on I2C Bus. - - Read one byte data from the slave device connectet to I2C Bus. - If Data is NULL, then ASSERT(). - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param DeviceAddress Slave device's address. - @param RegisterAddress The register address on slave device. - @param Data The pointer to returned data if EFI_SUCCESS returned. - - @retval EFI_DEVICE_ERROR - @retval EFI_SUCCESS - -**/ -EFI_STATUS -EFIAPI -I2cReadByte ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 DeviceAddress, - UINT8 RegisterAddress, - UINT8 *Data - ); - -/** - Write one byte data onto I2C Bus. - - Write one byte data to the slave device connectet to I2C Bus. - If Data is NULL, then ASSERT(). - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param DeviceAddress Slave device's address. - @param RegisterAddress The register address on slave device. - @param Data The pointer to write data. - - @retval EFI_DEVICE_ERROR - @retval EFI_SUCCESS - -**/ -EFI_STATUS -EFIAPI -I2cWriteByte ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 DeviceAddress, - UINT8 RegisterAddress, - UINT8 *Data - ); - diff --git a/OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.c b/OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.c deleted file mode 100644 index 4d1a583e49..0000000000 --- a/OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.c +++ /dev/null @@ -1,436 +0,0 @@ -/** @file - I2C Bus Libary implementation upon CirrusLogic. - - Copyright (c) 2008, Intel Corporation - 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. - -**/ - -#include - -#include -#include -#include - -#define SEQ_ADDRESS_REGISTER 0x3c4 -#define SEQ_DATA_REGISTER 0x3c5 - -#define I2C_CONTROL 0x08 -#define I2CDAT_IN 7 -#define I2CCLK_IN 2 -#define I2CDAT_OUT 1 -#define I2CCLK_OUT 0 - -#define I2C_BUS_SPEED 100 //100kbps - -/** - PCI I/O byte write function. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param Address The bit map of I2C Data or I2C Clock pins. - @param Data The date to write. - -**/ -VOID -I2cOutb ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINTN Address, - UINT8 Data - ) -{ - PciIo->Io.Write ( - PciIo, - EfiPciIoWidthUint8, - EFI_PCI_IO_PASS_THROUGH_BAR, - Address, - 1, - &Data - ); -} -/** - PCI I/O byte read function. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param Address The bit map of I2C Data or I2C Clock pins. - - return byte value read from PCI I/O space. - -**/ -UINT8 -I2cInb ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINTN Address - ) -{ - UINT8 Data; - - PciIo->Io.Read ( - PciIo, - EfiPciIoWidthUint8, - EFI_PCI_IO_PASS_THROUGH_BAR, - Address, - 1, - &Data - ); - return Data; -} - -/** - Read status of I2C Data and I2C Clock Pins. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param Blt The bit map of I2C Data or I2C Clock pins. - - @retval 0 Low on I2C Data or I2C Clock Pin. - @retval 1 High on I2C Data or I2C Clock Pin. - -**/ -UINT8 -I2cPinRead ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 Bit - ) -{ - I2cOutb (PciIo, SEQ_ADDRESS_REGISTER, I2C_CONTROL); - return (UINT8) ((I2cInb (PciIo, SEQ_DATA_REGISTER) >> Bit ) & 0xfe); -} - - -/** - Set/Clear I2C Data and I2C Clock Pins. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param Blt The bit map to controller I2C Data or I2C Clock pins. - @param Value 1 or 0 stands for Set or Clear I2C Data and I2C Clock Pins. - -**/ -VOID -I2cPinWrite ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 Bit, - UINT8 Value - ) -{ - UINT8 Byte; - I2cOutb (PciIo, SEQ_ADDRESS_REGISTER, I2C_CONTROL); - Byte = (UINT8) (I2cInb (PciIo, SEQ_DATA_REGISTER) & (UINT8) ~(1 << Bit)) ; - Byte = (UINT8) (Byte | ((Value & 0x01) << Bit)); - I2cOutb (PciIo, SEQ_DATA_REGISTER, (UINT8) (Byte | 0x40)); - return; -} - -/** - Read/write delay acoording to I2C Bus Speed. - -**/ -VOID -I2cDelay ( - VOID - ) -{ - MicroSecondDelay (1000 / I2C_BUS_SPEED); -} - -/** - Write a 8-bit data onto I2C Data Pin. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param Data The byte data to write. - -**/ -VOID -I2cSendByte ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 Data - ) -{ - UINTN Index; - // - // Send byte data onto I2C Bus - // - for (Index = 0; Index < 8; Index --) { - I2cPinWrite (PciIo, I2CDAT_OUT, (UINT8) (Data >> (7 - Index))); - I2cPinWrite (PciIo, I2CCLK_OUT, 1); - I2cDelay (); - I2cPinWrite (PciIo, I2CCLK_OUT, 0); - } -} - -/** - Read a 8-bit data from I2C Data Pin. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - - Return the byte data read from I2C Data Pin. -**/ -UINT8 -I2cReceiveByte ( - EFI_PCI_IO_PROTOCOL *PciIo - ) -{ - UINT8 Data; - UINTN Index; - - Data = 0; - // - // Read byte data from I2C Bus - // - for (Index = 0; Index < 8; Index --) { - I2cPinWrite (PciIo, I2CCLK_OUT, 1); - I2cDelay (); - Data = (UINT8) (Data << 1); - Data = (UINT8) (Data | I2cPinRead (PciIo, I2CDAT_IN)); - I2cPinWrite (PciIo, I2CCLK_OUT, 0); - } - - return Data; -} - -/** - Receive an ACK signal from I2C Bus. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - -**/ -BOOLEAN -I2cWaitAck ( - EFI_PCI_IO_PROTOCOL *PciIo - ) -{ - // - // Wait for ACK signal - // - I2cPinWrite (PciIo, I2CDAT_OUT, 1); - I2cPinWrite (PciIo, I2CCLK_OUT, 1); - I2cDelay (); - if (I2cPinRead (PciIo, I2CDAT_IN) == 0) { - I2cPinWrite (PciIo, I2CDAT_OUT, 1); - return TRUE; - } else { - return FALSE; - } -} - -/** - Send an ACK signal onto I2C Bus. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - -**/ -VOID -I2cSendAck ( - EFI_PCI_IO_PROTOCOL *PciIo - ) -{ - I2cPinWrite (PciIo, I2CCLK_OUT, 1); - I2cPinWrite (PciIo, I2CDAT_OUT, 1); - I2cPinWrite (PciIo, I2CDAT_OUT, 0); - I2cPinWrite (PciIo, I2CCLK_OUT, 0); -} - -/** - Start a I2C transfer on I2C Bus. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - -**/ -VOID -I2cStart ( - EFI_PCI_IO_PROTOCOL *PciIo - ) -{ - // - // Init CLK and DAT pins - // - I2cPinWrite (PciIo, I2CCLK_OUT, 1); - I2cPinWrite (PciIo, I2CDAT_OUT, 1); - // - // Start a I2C transfer, set SDA low from high, when SCL is high - // - I2cPinWrite (PciIo, I2CDAT_OUT, 0); - I2cPinWrite (PciIo, I2CCLK_OUT, 0); -} - -/** - Stop a I2C transfer on I2C Bus. - - @param PciIo The pointer to PCI_IO_PROTOCOL. - -**/ -VOID -I2cStop ( - EFI_PCI_IO_PROTOCOL *PciIo - ) -{ - // - // Stop a I2C transfer, set SDA high from low, when SCL is high - // - I2cPinWrite (PciIo, I2CDAT_OUT, 0); - I2cPinWrite (PciIo, I2CCLK_OUT, 1); - I2cPinWrite (PciIo, I2CDAT_OUT, 1); -} - -/** - Read one byte data on I2C Bus. - - Read one byte data from the slave device connectet to I2C Bus. - If Data is NULL, then ASSERT(). - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param DeviceAddress Slave device's address. - @param RegisterAddress The register address on slave device. - @param Data The pointer to returned data if EFI_SUCCESS returned. - - @retval EFI_DEVICE_ERROR - @retval EFI_SUCCESS - -**/ -EFI_STATUS -EFIAPI -I2cReadByte ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 DeviceAddress, - UINT8 RegisterAddress, - UINT8 *Data - ) -{ - ASSERT (Data != NULL); - - // - // Start I2C transfer - // - I2cStart (PciIo); - - // - // Send slave address with enabling write flag - // - I2cSendByte (PciIo, (UINT8) (DeviceAddress & 0xfe)); - - // - // Wait for ACK signal - // - if (I2cWaitAck (PciIo) == FALSE) { - return EFI_DEVICE_ERROR; - } - - // - // Send register address - // - I2cSendByte (PciIo, RegisterAddress); - - // - // Wait for ACK signal - // - if (I2cWaitAck (PciIo) == FALSE) { - return EFI_DEVICE_ERROR; - } - - // - // Send slave address with enabling read flag - // - I2cSendByte (PciIo, (UINT8) (DeviceAddress | 0x01)); - - // - // Wait for ACK signal - // - if (I2cWaitAck (PciIo) == FALSE) { - return EFI_DEVICE_ERROR; - } - - // - // Read byte data from I2C Bus - // - *Data = I2cReceiveByte (PciIo); - - // - // Send ACK signal onto I2C Bus - // - I2cSendAck (PciIo); - - // - // Stop a I2C transfer - // - I2cStop (PciIo); - - return EFI_SUCCESS; -} - -/** - Write one byte data onto I2C Bus. - - Write one byte data to the slave device connectet to I2C Bus. - If Data is NULL, then ASSERT(). - - @param PciIo The pointer to PCI_IO_PROTOCOL. - @param DeviceAddress Slave device's address. - @param RegisterAddress The register address on slave device. - @param Data The pointer to write data. - - @retval EFI_DEVICE_ERROR - @retval EFI_SUCCESS - -**/ -EFI_STATUS -EFIAPI -I2cWriteByte ( - EFI_PCI_IO_PROTOCOL *PciIo, - UINT8 DeviceAddress, - UINT8 RegisterAddress, - UINT8 *Data - ) -{ - ASSERT (Data != NULL); - - I2cStart (PciIo); - // - // Send slave address with enabling write flag - // - I2cSendByte (PciIo, (UINT8) (DeviceAddress & 0xfe)); - - // - // Wait for ACK signal - // - if (I2cWaitAck (PciIo) == FALSE) { - return EFI_DEVICE_ERROR; - } - - // - // Send register address - // - I2cSendByte (PciIo, RegisterAddress); - - // - // Wait for ACK signal - // - if (I2cWaitAck (PciIo) == FALSE) { - return EFI_DEVICE_ERROR; - } - - // - // Send byte data onto I2C Bus - // - I2cSendByte (PciIo, *Data); - - // - // Wait for ACK signal - // - if (I2cWaitAck (PciIo) == FALSE) { - return EFI_DEVICE_ERROR; - } - - // - // Stop a I2C transfer - // - I2cStop (PciIo); - - return EFI_SUCCESS; -} - - - diff --git a/OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.inf b/OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.inf deleted file mode 100644 index 7474a4f05f..0000000000 --- a/OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.inf +++ /dev/null @@ -1,45 +0,0 @@ -#/** @file -# DxeI2c Library implementation on CirrusLogic. -# -# Provides I2c Bus byte read/write functions upon CirrusLogic5430. -# Copyright (c) 2008, Intel Corporation. -# -# 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. -# -# -#**/ - -[Defines] - INF_VERSION = 0x00010005 - BASE_NAME = CirrusLogic5430I2cLib - FILE_GUID = 0C86ADD7-ED2A-4b9a-ABC9-D932E8AA349B - MODULE_TYPE = DXE_DRIVER - VERSION_STRING = 1.0 - LIBRARY_CLASS = DxeI2cLib - EDK_RELEASE_VERSION = 0x00020000 - EFI_SPECIFICATION_VERSION = 0x00020000 - - -# -# VALID_ARCHITECTURES = IA32 X64 IPF EBC -# - -[Sources.common] - CirrusLogic5430I2cLib.c - - -[Packages] - MdePkg/MdePkg.dec - OptionRomPkg/OptionRomPkg.dec - - -[LibraryClasses] - TimerLib - DebugLib - - diff --git a/OptionRomPkg/OptionRomPkg.dec b/OptionRomPkg/OptionRomPkg.dec index 425214b893..bcfa8ebd7b 100644 --- a/OptionRomPkg/OptionRomPkg.dec +++ b/OptionRomPkg/OptionRomPkg.dec @@ -6,7 +6,7 @@ # Option ROM image for all CPU architectures, including EBC target. # A single driver can support mixes of EFI 1.1, UEFI 2.0 and UEFI 2.1. # -# Copyright (c) 2007 - 2008, Intel Corporation. +# Copyright (c) 2007 - 2009, Intel Corporation. # # All rights reserved. This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License @@ -24,12 +24,6 @@ PACKAGE_GUID = AA3865E8-7F30-4f59-8696-99F560101852 PACKAGE_VERSION = 0.1 -[Includes.common] - Include - -[LibraryClasses.common] - DxeI2cLib|Include/Library/DxeI2cLib.h - [PcdsFeatureFlag.common] gOptionRomPkgTokenSpaceGuid.PcdSupportScsiPassThru|TRUE|BOOLEAN|0x00010001 gOptionRomPkgTokenSpaceGuid.PcdSupportExtScsiPassThru|TRUE|BOOLEAN|0x00010002 diff --git a/OptionRomPkg/OptionRomPkg.dsc b/OptionRomPkg/OptionRomPkg.dsc index 1e040f68b0..29ef5cd51c 100644 --- a/OptionRomPkg/OptionRomPkg.dsc +++ b/OptionRomPkg/OptionRomPkg.dsc @@ -6,7 +6,7 @@ # Option ROM image for all CPU architectures, including EBC target. # A single driver can support mixes of EFI 1.1, UEFI 2.0 and UEFI 2.1. # -# Copyright (c) 2007 - 2008, Intel Corporation +# Copyright (c) 2007 - 2009, Intel Corporation # # All rights reserved. This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License @@ -55,7 +55,6 @@ PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf - DxeI2cLib|OptionRomPkg/Library/CirrusLogicI2cLib/CirrusLogic5430I2cLib.inf ################################################################################ #