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- /** @file
- Board-specific EC library
- Copyright (c) 2021, Baruch Binyamin Doron
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef _BOARD_EC_LIB_H_
- #define _BOARD_EC_LIB_H_
- /**
- Reads a byte of EC RAM.
- @param[in] Address Address to read
- @param[out] Data Data received
- @retval EFI_SUCCESS Command success
- @retval EFI_INVALID_PARAMETER Data is NULL
- @retval EFI_DEVICE_ERROR Command error
- @retval EFI_TIMEOUT Command timeout
- **/
- EFI_STATUS
- EcCmd90Read (
- IN UINT8 Address,
- OUT UINT8 *Data
- );
- /**
- Writes a byte of EC RAM.
- @param[in] Address Address to write
- @param[in] Data Data to write
- @retval EFI_SUCCESS Command success
- @retval EFI_DEVICE_ERROR Command error
- @retval EFI_TIMEOUT Command timeout
- **/
- EFI_STATUS
- EcCmd91Write (
- IN UINT8 Address,
- IN UINT8 Data
- );
- /**
- Query the EC status.
- @param[out] Status EC status byte
- @retval EFI_SUCCESS Command success
- @retval EFI_INVALID_PARAMETER Data is NULL
- @retval EFI_DEVICE_ERROR Command error
- @retval EFI_TIMEOUT Command timeout
- **/
- EFI_STATUS
- EcCmd94Query (
- OUT UINT8 *Data
- );
- /**
- Reads a byte of EC (index) RAM.
- @param[in] Address Address to read
- @param[out] Data Data received
- **/
- VOID
- EcIdxRead (
- IN UINT16 Address,
- OUT UINT8 *Data
- );
- /**
- Writes a byte of EC (index) RAM.
- @param[in] Address Address to read
- @param[in] Data Data received
- **/
- VOID
- EcIdxWrite (
- IN UINT16 Address,
- IN UINT8 Data
- );
- /**
- Read EC analog-digital converter.
- TODO: Check if ADC is valid.
- @param[in] Adc
- @param[out] DataBuffer
- **/
- VOID
- ReadEcAdcConverter (
- IN UINT8 Adc,
- OUT UINT16 *DataBuffer
- );
- #endif
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