69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/** @file
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Touch Host Controller Library.
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All functions from this library are available in PEI, DXE, and SMM,
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But do not support UEFI RUNTIME environment call.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2017 - 2021 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _THC_LIB_H_
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#define _THC_LIB_H_
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/**
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Checks if the Intel Touch Host Controller is Enabled
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@param[in] ThcNumber THC0/THC1 0 or 1
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@retval TRUE THC is enabled
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@retval FALSE THC PCI device not found
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**/
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BOOLEAN
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ThcIsEnabled (
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IN UINT8 ThcNumber
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);
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/**
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Checks if it is possible to enable Intel Touch Host Controller
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Thc Port 0 could be used by THC or Integrated Touch.
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If Integrated Touch is enabled, CSME will take over its GPIO.
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Based on the pad ownership BIOS decides if it is possible to enable THC
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@retval TRUE BIOS is capable of enabling THC
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@retval FALSE THC pins are taken over by some other IP. BIOS is unable to configure THC
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**/
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BOOLEAN
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ThcIsSupported (
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VOID
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);
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#endif //_THC_LIB_H_
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