81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/** @file
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Header file for Connection Manager mode information
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@copyright
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INTEL CONFIDENTIAL
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Copyright 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 a 'Sample Driver' and is licensed as such under the terms
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of your license agreement with Intel or your vendor. This file may be modified
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by the user, subject to the additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _USB4_CM_MODE_H_
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#define _USB4_CM_MODE_H_
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#include <Uefi.h>
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//
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// CM mode in Setup menu - 3 bits
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//
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#define USB4_SETUP_CM_MODE_FW 0
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#define USB4_SETUP_CM_MODE_SW 1
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#define USB4_SETUP_CM_MODE_OS 2
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#define USB4_SETUP_CM_MODE_DEBUG 3
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//
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// CM mode in Pre-boot - 3 bits
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//
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#define USB4_CM_MODE_FW_CM 0x00
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#define USB4_CM_MODE_SW_CM 0x01
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//
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// CM mode switch unsupport bit
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//
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#define USB4_CM_MODE_SWITCH_UNSUPPORTED 0x08
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//
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// CM Mode information for the communication with ASL codes
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//
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// Bit 7 - Valid bit
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// Bit 6:4 - Setup CM value (0 = FW CM, 1 = SW CM, 2 = OS, 3 = Pass Through)
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// Bit 3 - Reserved
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// Bit 2:0 - Pre-boot CM mode (0 = FW CM, 1 = SW CM)
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//
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// Note: 8 bits value in NVS
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// NVS variable length needs to be incremented if new bits are added.
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//
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typedef union _USB4_CM_MODE_INFO {
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struct {
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UINT8 CmMode : 3;
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UINT8 Rsvd : 1;
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UINT8 CmSetup : 3;
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UINT8 Valid : 1;
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} Fields;
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UINT8 Value;
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} USB4_CM_MODE_INFO, *PUSB4_CM_MODE_INFO;
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#endif
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