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

2 files changed, 0 insertions, 481 deletions

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 <PiDxe.h>

-

-#include <Library/DxeI2cLib.h>

-#include <Library/TimerLib.h>

-#include <Library/DebugLib.h>

-

-#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

-

-