diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/I2cMaster.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/I2cMaster.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/I2cMaster.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/I2cMaster.h index acc4405f74..99e9d9f72d 100644 --- a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/I2cMaster.h +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Ppi/I2cMaster.h @@ -1,15 +1,15 @@ /** @file - This PPI manipulates the I2C host controller to perform transactions as a master + This PPI manipulates the I2C host controller to perform transactions as a master on the I2C bus using the current state of any switches or multiplexers in the I2C bus. Copyright (c) 2013, 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 - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php + 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. + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. @par Revision Reference: This PPI is introduced in PI Version 1.3. @@ -28,16 +28,16 @@ typedef struct _EFI_PEI_I2C_MASTER_PPI EFI_PEI_I2C_MASTER_PPI; /** Set the frequency for the I2C clock line. - + @param This Pointer to an EFI_PEI_I2C_MASTER_PPI structure. @param BusClockHertz Pointer to the requested I2C bus clock frequency in Hertz. - Upon return this value contains the actual frequency + Upon return this value contains the actual frequency in use by the I2C controller. @retval EFI_SUCCESS The bus frequency was set successfully. @retval EFI_INVALID_PARAMETER BusClockHertz is NULL @retval EFI_UNSUPPORTED The controller does not support this frequency. - + **/ typedef EFI_STATUS @@ -48,12 +48,12 @@ EFI_STATUS /** Reset the I2C controller and configure it for use. - + @param This Pointer to an EFI_PEI_I2C_MASTER_PPI structure. @retval EFI_SUCCESS The reset completed successfully. @retval EFI_DEVICE_ERROR The reset operation failed. - + **/ typedef EFI_STATUS @@ -63,12 +63,12 @@ EFI_STATUS /** Start an I2C transaction on the host controller. - + @param This Pointer to an EFI_PEI_I2C_MASTER_PPI structure. @param SlaveAddress Address of the device on the I2C bus. - Set the I2C_ADDRESSING_10_BIT when using 10-bit addresses, + Set the I2C_ADDRESSING_10_BIT when using 10-bit addresses, clear this bit for 7-bit addressing. - Bits 0-6 are used for 7-bit I2C slave addresses and + Bits 0-6 are used for 7-bit I2C slave addresses and bits 0-9 are used for 10-bit I2C slave addresses. @param RequestPacket Pointer to an EFI_I2C_REQUEST_PACKET structure describing the I2C transaction. @@ -81,7 +81,7 @@ EFI_STATUS @retval EFI_NOT_FOUND Reserved bit set in the SlaveAddress parameter @retval EFI_OUT_OF_RESOURCES Insufficient memory for I2C transaction @retval EFI_UNSUPPORTED The controller does not support the requested transaction. - + **/ typedef EFI_STATUS |