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alder_lake_bios/Intel/AlderLake/ClientOneSiliconPkg/Pch/PchSmiDispatcher/Smm/PchSmmUsb.c

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/** @file
;******************************************************************************
;* Copyright (c) 2020, Insyde Software Corporation. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
/** @file
File to contain all the hardware specific stuff for the Smm USB dispatch protocol.
@copyright
INTEL CONFIDENTIAL
Copyright 1999 - 2021 Intel Corporation.
The source code contained or described herein and all documents related to the
source code ("Material") are owned by Intel Corporation or its suppliers or
licensors. Title to the Material remains with Intel Corporation or its suppliers
and licensors. The Material may contain trade secrets and proprietary and
confidential information of Intel Corporation and its suppliers and licensors,
and is protected by worldwide copyright and trade secret laws and treaty
provisions. No part of the Material may be used, copied, reproduced, modified,
published, uploaded, posted, transmitted, distributed, or disclosed in any way
without Intel's prior express written permission.
No license under any patent, copyright, trade secret or other intellectual
property right is granted to or conferred upon you by disclosure or delivery
of the Materials, either expressly, by implication, inducement, estoppel or
otherwise. Any license under such intellectual property rights must be
express and approved by Intel in writing.
Unless otherwise agreed by Intel in writing, you may not remove or alter
this notice or any other notice embedded in Materials by Intel or
Intel's suppliers or licensors in any way.
This file contains an 'Intel Peripheral Driver' and is uniquely identified as
"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
the terms of your license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the license agreement.
@par Specification Reference:
**/
#include "PchSmmHelpers.h"
#include <Register/PmcRegs.h>
#include <Library/PchPciBdfLib.h>
typedef enum {
PchUsbControllerLpc0 = 0,
PchUsbControllerXhci,
PchUsbControllerTypeMax
} PCH_USB_CONTROLLER_TYPE;
typedef struct {
UINT8 Function;
UINT8 Device;
PCH_USB_CONTROLLER_TYPE UsbConType;
} PCH_USB_CONTROLLER;
GLOBAL_REMOVE_IF_UNREFERENCED CONST PCH_SMM_SOURCE_DESC mUsb1Legacy = {
PCH_SMM_NO_FLAGS,
{
{
{
ACPI_ADDR_TYPE,
{R_ACPI_IO_SMI_EN}
},
S_ACPI_IO_SMI_EN,
N_ACPI_IO_SMI_EN_LEGACY_USB
},
NULL_BIT_DESC_INITIALIZER
},
{
{
{
ACPI_ADDR_TYPE,
{R_ACPI_IO_SMI_STS}
},
S_ACPI_IO_SMI_STS,
N_ACPI_IO_SMI_STS_LEGACY_USB
}
},
{
{
ACPI_ADDR_TYPE,
{R_ACPI_IO_SMI_STS}
},
S_ACPI_IO_SMI_STS,
N_ACPI_IO_SMI_STS_LEGACY_USB
}
};
GLOBAL_REMOVE_IF_UNREFERENCED CONST PCH_SMM_SOURCE_DESC mUsb3Legacy = {
PCH_SMM_NO_FLAGS,
{
{
{
ACPI_ADDR_TYPE,
{R_ACPI_IO_SMI_EN}
},
S_ACPI_IO_SMI_EN,
N_ACPI_IO_SMI_EN_LEGACY_USB3
},
NULL_BIT_DESC_INITIALIZER
},
{
{
{
ACPI_ADDR_TYPE,
{R_ACPI_IO_SMI_STS}
},
S_ACPI_IO_SMI_STS,
N_ACPI_IO_SMI_STS_LEGACY_USB3
}
},
{
{
ACPI_ADDR_TYPE,
{R_ACPI_IO_SMI_STS}
},
S_ACPI_IO_SMI_STS,
N_ACPI_IO_SMI_STS_LEGACY_USB3
}
};
GLOBAL_REMOVE_IF_UNREFERENCED PCH_USB_CONTROLLER mUsbControllersMap[] = {
{
0xFF, // to be updated in PchSmmUsbUpdateDescriptors
0xFF, // to be updated in PchSmmUsbUpdateDescriptors
PchUsbControllerLpc0
},
{
0xFF, // to be updated in PchSmmUsbUpdateDescriptors
0xFF, // to be updated in PchSmmUsbUpdateDescriptors
PchUsbControllerXhci
}
};
/**
Performs update of SmmUsb descriptors with values that have to be evaluated during runtime.
**/
VOID
PchSmmUsbUpdateDescriptors (
VOID
)
{
//
// mUsbControllersMap
//
mUsbControllersMap[0].Function = LpcFuncNumber ();
mUsbControllersMap[0].Device = LpcDevNumber ();
mUsbControllersMap[1].Function = PchXhciFuncNumber ();
mUsbControllersMap[1].Device = PchXhciDevNumber ();
}
/**
Find the handle that best matches the input Device Path and return the USB controller type
@param[in] DevicePath Pointer to the device Path table
@param[out] Controller Returned with the USB controller type of the input device path
@retval EFI_SUCCESS Find the handle that best matches the input Device Path
@exception EFI_UNSUPPORTED Invalid device Path table or can't find any match USB device path
PCH_USB_CONTROLLER_TYPE The USB controller type of the input
device path
**/
EFI_STATUS
DevicePathToSupportedController (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
OUT PCH_USB_CONTROLLER_TYPE *Controller
)
{
EFI_STATUS Status;
EFI_HANDLE DeviceHandle;
ACPI_HID_DEVICE_PATH *AcpiNode;
PCI_DEVICE_PATH *PciNode;
EFI_DEVICE_PATH_PROTOCOL *RemaingDevicePath;
UINT8 UsbIndex;
///
/// Find the handle that best matches the Device Path. If it is only a
/// partial match the remaining part of the device path is returned in
/// RemainingDevicePath.
///
RemaingDevicePath = DevicePath;
Status = gBS->LocateDevicePath (
&gEfiPciRootBridgeIoProtocolGuid,
&DevicePath,
&DeviceHandle
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
DevicePath = RemaingDevicePath;
///
/// Get first node: Acpi Node
///
AcpiNode = (ACPI_HID_DEVICE_PATH *) RemaingDevicePath;
if (AcpiNode->Header.Type != ACPI_DEVICE_PATH ||
AcpiNode->Header.SubType != ACPI_DP ||
DevicePathNodeLength (&AcpiNode->Header) != sizeof (ACPI_HID_DEVICE_PATH) ||
AcpiNode->HID != EISA_PNP_ID (0x0A03) ||
AcpiNode->UID != 0
) {
return EFI_UNSUPPORTED;
} else {
///
/// Get the next node: Pci Node
///
RemaingDevicePath = NextDevicePathNode (RemaingDevicePath);
PciNode = (PCI_DEVICE_PATH *) RemaingDevicePath;
if (PciNode->Header.Type != HARDWARE_DEVICE_PATH ||
PciNode->Header.SubType != HW_PCI_DP ||
DevicePathNodeLength (&PciNode->Header) != sizeof (PCI_DEVICE_PATH)
) {
return EFI_UNSUPPORTED;
}
for (UsbIndex = 0; UsbIndex < sizeof (mUsbControllersMap) / sizeof (PCH_USB_CONTROLLER); UsbIndex++) {
if ((PciNode->Device == mUsbControllersMap[UsbIndex].Device) &&
(PciNode->Function == mUsbControllersMap[UsbIndex].Function)) {
*Controller = mUsbControllersMap[UsbIndex].UsbConType;
return EFI_SUCCESS;
}
}
return EFI_UNSUPPORTED;
}
}
/**
Maps a USB context to a source description.
@param[in] Context The context we need to map. Type must be USB.
@param[in] SrcDesc The source description that corresponds to the given context.
**/
VOID
MapUsbToSrcDesc (
IN PCH_SMM_CONTEXT *Context,
OUT PCH_SMM_SOURCE_DESC *SrcDesc
)
{
PCH_USB_CONTROLLER_TYPE Controller;
EFI_STATUS Status;
//[-start-200914-IB17040164-add]//
Controller = PchUsbControllerTypeMax;
//[-end-200914-IB17040164-add]//
Status = DevicePathToSupportedController (Context->Usb.Device, &Controller);
///
/// Either the device path passed in by the child is incorrect or
/// the ones stored here internally are incorrect.
///
//[-start-200225-IB14630334-remove]//
// ASSERT_EFI_ERROR (Status);
//[-end-200225-IB14630334-remove]//
switch (Context->Usb.Type) {
case UsbLegacy:
switch (Controller) {
case PchUsbControllerLpc0:
CopyMem ((VOID *) SrcDesc, (VOID *) (&mUsb1Legacy), sizeof (PCH_SMM_SOURCE_DESC));
break;
case PchUsbControllerXhci:
CopyMem ((VOID *) SrcDesc, (VOID *) (&mUsb3Legacy), sizeof (PCH_SMM_SOURCE_DESC));
break;
default:
ASSERT (FALSE);
break;
}
break;
case UsbWake:
ASSERT (FALSE);
break;
default:
//[-start-200225-IB14630330-remove]//
// ASSERT (FALSE);
//[-end-200225-IB14630330-remove]//
break;
}
}
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