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Enumerator audio devices not registered with IOKit
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@benbaker76
benbaker76 committed Mar 16, 2020
1 parent 8eadea1 commit 85ef476
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Showing 2 changed files with 55 additions and 47 deletions.
Binary file modified ...deproj/project.xcworkspace/xcuserdata/headsoft.xcuserdatad/UserInterfaceState.xcuserstate
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102 changes: 55 additions & 47 deletions PinConfigurator/IORegTools.m
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Original file line number Diff line number Diff line change
Expand Up @@ -96,73 +96,81 @@ uint32_t propertyToUInt32(id value)
bool getIORegAudioDeviceArray(NSMutableArray **audioDeviceArray)
{
*audioDeviceArray = [[NSMutableArray array] retain];
io_iterator_t iterator;
io_iterator_t pciIterator;

kern_return_t kr = IOServiceGetMatchingServices(kIOMasterPortDefault, IOServiceMatching("IOAudioDevice"), &iterator);
kern_return_t kr = IOServiceGetMatchingServices(kIOMasterPortDefault, IOServiceMatching("IOPCIDevice"), &pciIterator);

if (kr != KERN_SUCCESS)
return false;

for (io_service_t device; IOIteratorIsValid(iterator) && (device = IOIteratorNext(iterator)); IOObjectRelease(device))
io_iterator_t iterator;

for (io_service_t pciDevice; IOIteratorIsValid(pciIterator) && (pciDevice = IOIteratorNext(pciIterator)); IOObjectRelease(pciDevice))
{
io_name_t className {};
kr = IOObjectGetClass(device, className);
kern_return_t kr = IORegistryEntryCreateIterator(pciDevice, kIOServicePlane, kIORegistryIterateRecursively, &iterator);

if (kr != KERN_SUCCESS)
continue;

CFMutableDictionaryRef propertyDictionaryRef = 0;

kr = IORegistryEntryCreateCFProperties(device, &propertyDictionaryRef, kCFAllocatorDefault, kNilOptions);

if (kr == KERN_SUCCESS)
for (io_service_t device; IOIteratorIsValid(iterator) && (device = IOIteratorNext(iterator)); IOObjectRelease(device))
{
NSMutableDictionary *propertyDictionary = (__bridge NSMutableDictionary *)propertyDictionaryRef;
if (!IOObjectConformsTo(device, "IOAudioDevice"))
continue;

NSString *bundleID = [propertyDictionary objectForKey:@"CFBundleIdentifier"];
NSString *audioDeviceName = [propertyDictionary objectForKey:@"IOAudioDeviceName"];
NSString *audioDeviceModelID = [propertyDictionary objectForKey:@"IOAudioDeviceModelID"];
NSString *audioDeviceManufacturerName = [propertyDictionary objectForKey:@"IOAudioDeviceManufacturerName"];
uint32_t audioDeviceDeviceID = 0, audioDeviceVendorID = 0;
uint32_t audioDeviceDeviceIDNew = 0;
io_name_t className {};
kr = IOObjectGetClass(device, className);

if (audioDeviceModelID != nil)
if (kr != KERN_SUCCESS)
continue;

CFMutableDictionaryRef propertyDictionaryRef = 0;

kr = IORegistryEntryCreateCFProperties(device, &propertyDictionaryRef, kCFAllocatorDefault, kNilOptions);

if (kr == KERN_SUCCESS)
{
NSArray *modelIDArray = [audioDeviceModelID componentsSeparatedByString:@":"];
NSMutableDictionary *propertyDictionary = (__bridge NSMutableDictionary *)propertyDictionaryRef;

if ([modelIDArray count] == 3)
NSString *bundleID = [propertyDictionary objectForKey:@"CFBundleIdentifier"];
NSString *audioDeviceName = [propertyDictionary objectForKey:@"IOAudioDeviceName"];
NSString *audioDeviceModelID = [propertyDictionary objectForKey:@"IOAudioDeviceModelID"];
NSString *audioDeviceManufacturerName = [propertyDictionary objectForKey:@"IOAudioDeviceManufacturerName"];
uint32_t audioDeviceDeviceID = 0, audioDeviceVendorID = 0;
uint32_t audioDeviceDeviceIDNew = 0;

if (audioDeviceModelID != nil)
{
NSScanner *deviceIDScanner = [NSScanner scannerWithString:[modelIDArray objectAtIndex:1]];
NSScanner *productIDScanner = [NSScanner scannerWithString:[modelIDArray objectAtIndex:2]];
NSArray *modelIDArray = [audioDeviceModelID componentsSeparatedByString:@":"];

if ([modelIDArray count] == 3)
{
NSScanner *deviceIDScanner = [NSScanner scannerWithString:[modelIDArray objectAtIndex:1]];
NSScanner *productIDScanner = [NSScanner scannerWithString:[modelIDArray objectAtIndex:2]];

[deviceIDScanner setScanLocation:0];
[deviceIDScanner scanHexInt:&audioDeviceVendorID];

[productIDScanner setScanLocation:0];
[productIDScanner scanHexInt:&audioDeviceDeviceID];

audioDeviceDeviceIDNew = (audioDeviceVendorID << 16) | audioDeviceDeviceID;
[deviceIDScanner setScanLocation:0];
[deviceIDScanner scanHexInt:&audioDeviceVendorID];

[productIDScanner setScanLocation:0];
[productIDScanner scanHexInt:&audioDeviceDeviceID];

audioDeviceDeviceIDNew = (audioDeviceVendorID << 16) | audioDeviceDeviceID;
}
}
}

io_service_t parentDevice;

if (getIORegParent(device, @"IOPCIDevice", &parentDevice, true))
{
CFMutableDictionaryRef parentPropertyDictionaryRef = 0;

kr = IORegistryEntryCreateCFProperties(parentDevice, &parentPropertyDictionaryRef, kCFAllocatorDefault, kNilOptions);
CFMutableDictionaryRef pciDevicePropertyDictionaryRef = 0;

kr = IORegistryEntryCreateCFProperties(pciDevice, &pciDevicePropertyDictionaryRef, kCFAllocatorDefault, kNilOptions);

if (kr == KERN_SUCCESS)
{
NSMutableDictionary *parentPropertyDictionary = (__bridge NSMutableDictionary *)parentPropertyDictionaryRef;
NSMutableDictionary *pciDevicePropertyDictionary = (__bridge NSMutableDictionary *)pciDevicePropertyDictionaryRef;

uint32_t deviceID = propertyToUInt32([parentPropertyDictionary objectForKey:@"device-id"]);
uint32_t vendorID = propertyToUInt32([parentPropertyDictionary objectForKey:@"vendor-id"]);
uint32_t revisionID = propertyToUInt32([parentPropertyDictionary objectForKey:@"revision-id"]);
uint32_t alcLayoutID = propertyToUInt32([parentPropertyDictionary objectForKey:@"alc-layout-id"]);
uint32_t subSystemID = propertyToUInt32([parentPropertyDictionary objectForKey:@"subsystem-id"]);
uint32_t subSystemVendorID = propertyToUInt32([parentPropertyDictionary objectForKey:@"subsystem-vendor-id"]);
uint32_t deviceID = propertyToUInt32([pciDevicePropertyDictionary objectForKey:@"device-id"]);
uint32_t vendorID = propertyToUInt32([pciDevicePropertyDictionary objectForKey:@"vendor-id"]);
uint32_t revisionID = propertyToUInt32([pciDevicePropertyDictionary objectForKey:@"revision-id"]);
uint32_t alcLayoutID = propertyToUInt32([pciDevicePropertyDictionary objectForKey:@"alc-layout-id"]);
uint32_t subSystemID = propertyToUInt32([pciDevicePropertyDictionary objectForKey:@"subsystem-id"]);
uint32_t subSystemVendorID = propertyToUInt32([pciDevicePropertyDictionary objectForKey:@"subsystem-vendor-id"]);

uint32_t deviceIDNew = (vendorID << 16) | deviceID;
uint32_t subDeviceIDNew = (subSystemVendorID << 16) | subSystemID;
Expand Down Expand Up @@ -209,13 +217,13 @@ bool getIORegAudioDeviceArray(NSMutableArray **audioDeviceArray)

[audioDevice release];
}

IOObjectRelease(parentDevice);
}
}

IOObjectRelease(iterator);
}

IOObjectRelease(iterator);
IOObjectRelease(pciIterator);

return ([*audioDeviceArray count] > 0);
}

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