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Add webcam disconnect test

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This commit is contained in:
Jeremy Soller
2020-08-06 12:54:06 -06:00
committed by Jeremy Soller
parent 4f29b65fbe
commit 74b3823b0c
3 changed files with 74 additions and 2 deletions
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74
MdeModulePkg/Application/UiApp/FrontPage.c
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@ -7,6 +7,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Protocol/UsbIo.h>
#include <Register/Amd/Cpuid.h>
#include <Register/Intel/Cpuid.h>
#include <Register/Intel/Msr.h>
@ -780,6 +781,75 @@ STATIC VOID FirmwareConfigurationInformation(VOID) {
}
}
VOID WebcamStatus(VOID) {
EFI_STATUS Status;
UINTN UsbIoHandleCount;
EFI_HANDLE *UsbIoBuffer;
UINTN Index;
EFI_USB_IO_PROTOCOL *UsbIo;
EFI_USB_DEVICE_DESCRIPTOR DevDesc;
UINTN Webcams;
EFI_STRING_ID Token;
//
// Get all Usb IO handles in system
//
UsbIoHandleCount = 0;
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiUsbIoProtocolGuid, NULL, &UsbIoHandleCount, &UsbIoBuffer);
if (EFI_ERROR(Status)) {
DEBUG ((EFI_D_INFO, "Failed to read UsbIo handles: 0x%x\n", Status));
return;
}
Webcams = 0;
for (Index = 0; Index < UsbIoHandleCount; Index++) {
DEBUG ((EFI_D_INFO, "UsbIo Handle %d\n", Index));
//
// Get the child Usb IO interface
//
Status = gBS->HandleProtocol(
UsbIoBuffer[Index],
&gEfiUsbIoProtocolGuid,
(VOID **) &UsbIo
);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_INFO, " Failed to find UsbIo protocol\n"));
continue;
}
Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_INFO, " Failed to get device descriptor\n"));
continue;
}
DEBUG ((EFI_D_INFO, " ID: 0x%04X:0x%04X\n", DevDesc.IdVendor, DevDesc.IdProduct));
DEBUG ((EFI_D_INFO, " Class: %d\n", DevDesc.DeviceClass));
DEBUG ((EFI_D_INFO, " SubClass: %d\n", DevDesc.DeviceSubClass));
DEBUG ((EFI_D_INFO, " Protocol: %d\n", DevDesc.DeviceProtocol));
//TODO: make sure this picks up all of our laptop webcams and nothing else
UINT32 Id = (((UINT32)DevDesc.IdVendor) << 16) | ((UINT32)DevDesc.IdProduct);
switch (Id) {
case 0x04f2b5a7: // Chicony Camera (bonw13, oryp4)
case 0x04f2b649: // Chicony Camera (galp4)
case 0x04f2b685: // Chicony Camera (darp6, gaze15, lemp9)
case 0x59869102: // Acer BisonCam (addw2, oryp6)
Webcams++;
break;
}
}
FreePool (UsbIoBuffer);
//TODO: logic for not showing the warning on desktops
Token = STRING_TOKEN (STR_WEBCAM_STATUS);
if (Webcams == 0) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"Info: Webcam Module Disconnected", NULL);
}
}
/**
Update the information for the Front Page based on Smbios information.
@ -801,9 +871,9 @@ UpdateFrontPageStrings (
SMBIOS_TABLE_ENTRY_POINT *EntryPoint;
SMBIOS_STRUCTURE_POINTER SmbiosTable;
WarnNoBootableMedia ();
FirmwareConfigurationInformation();
WarnNoBootableMedia ();
WebcamStatus();
Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &Table);
if (EFI_ERROR (Status) || Table == NULL) {