void IOPrintPlane( const IORegistryPlane * plane )
{
IORegistryEntry * next;
IORegistryIterator * iter;
OSOrderedSet * all;
char format[] = "%xxxs";
IOService * service;
iter = IORegistryIterator::iterateOver( plane );
assert( iter );
all = iter->iterateAll();
if( all) {
DEBG("Count %d\n", all->getCount() );
all->release();
} else
DEBG("Empty\n");
iter->reset();
while( (next = iter->getNextObjectRecursive())) {
snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
DEBG( format, "");
DEBG( "\033[33m%s", next->getName( plane ));
if( (next->getLocation( plane )))
DEBG("@%s", next->getLocation( plane ));
DEBG("\033[0m <class %s", next->getMetaClass()->getClassName());
if( (service = OSDynamicCast(IOService, next)))
DEBG(", busy %ld", (long) service->getBusyState());
DEBG( ">\n");
// IOSleep(250);
}
iter->release();
}
// ======================================================================
void ListHookedDevice::Item::setDeviceIdentifier(void) {
if (!device_) return;
IORegistryEntry* dev = device_;
while (dev) {
const OSNumber* vid = nullptr;
vid = OSDynamicCast(OSNumber, dev->getProperty(kIOHIDVendorIDKey));
const OSNumber* pid = nullptr;
pid = OSDynamicCast(OSNumber, dev->getProperty(kIOHIDProductIDKey));
if (vid && pid) {
deviceIdentifier_.setVendor(DeviceVendor(vid->unsigned32BitValue()));
deviceIdentifier_.setProduct(DeviceProduct(pid->unsigned32BitValue()));
goto finish;
} else {
// ApplePS2Keyboard does not have ProductID,
// so we check for Manufacturer and Product strings
const char* name = dev->getName();
if (name && strcmp(name, "ApplePS2Keyboard") == 0) {
// kIOHIDManufacturerKey == "Manufacturer"
// kIOHIDProductKey == "Product"
const OSString* manufacturer = OSDynamicCast(OSString, dev->getProperty(kIOHIDManufacturerKey));
const OSString* product = OSDynamicCast(OSString, dev->getProperty(kIOHIDProductKey));
if (manufacturer && product) {
if (manufacturer->isEqualTo("Apple") &&
product->isEqualTo("Keyboard")) {
deviceIdentifier_.setVendor(DeviceVendor::APPLE_COMPUTER);
deviceIdentifier_.setProduct(DeviceProduct::APPLE_INTERNAL_KEYBOARD_TRACKPAD_0x0218);
goto finish;
}
}
}
}
// check parent property.
dev = dev->getParentEntry(IORegistryEntry::getPlane(kIOServicePlane));
}
finish:
// Set LocationID
if (dev) {
const OSNumber* locationid = nullptr;
locationid = OSDynamicCast(OSNumber, dev->getProperty(kIOHIDLocationIDKey));
if (locationid) {
deviceIdentifier_.setLocation(DeviceLocation(locationid->unsigned32BitValue()));
}
}
IOLOG_DEBUG("HookedDevice::setVendorProductLocation device_:%p, vendor:0x%04x, product:0x%04x location:0x%04x\n",
device_,
deviceIdentifier_.getVendor().get(),
deviceIdentifier_.getProduct().get(),
deviceIdentifier_.getLocation().get());
}
void db_dumpiojunk( const IORegistryPlane * plane )
{
IORegistryEntry * next;
IORegistryIterator * iter;
OSOrderedSet * all;
char format[] = "%xxxs";
IOService * service;
iter = IORegistryIterator::iterateOver( plane );
all = iter->iterateAll();
if( all) {
dbugprintf("Count %d\n", all->getCount() );
all->release();
} else dbugprintf("Empty\n");
iter->reset();
while( (next = iter->getNextObjectRecursive())) {
snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
dbugprintf( format, "");
dbugprintf( "%s", next->getName( plane ));
if( (next->getLocation( plane )))
dbugprintf("@%s", next->getLocation( plane ));
dbugprintf(" <class %s", next->getMetaClass()->getClassName());
if( (service = OSDynamicCast(IOService, next)))
dbugprintf(", busy %ld", service->getBusyState());
dbugprintf( ">\n");
}
iter->release();
}
IORegistryEntry *findEntryByPrefix(IORegistryEntry *entry, const char *prefix, const IORegistryPlane *plane, bool (*proc)(void *, IORegistryEntry *), bool brute, void *user) {
bool found {false};
IORegistryEntry *res {nullptr};
size_t bruteCount {0};
do {
bruteCount++;
auto iterator = entry->getChildIterator(plane);
if (iterator) {
size_t len = strlen(prefix);
while ((res = OSDynamicCast(IORegistryEntry, iterator->getNextObject())) != nullptr) {
const char *resname = res->getName();
//DBGLOG("iokit @ iterating over %s", resname);
if (!strncmp(prefix, resname, len)) {
found = proc ? proc(user, res) : true;
if (found) {
if (bruteCount > 1)
DBGLOG("iokit @ bruted %s value in %zu attempts", prefix, bruteCount);
if (!proc) {
break;
}
}
}
}
iterator->release();
} else {
SYSLOG("iokit @ failed to iterate over entry");
return nullptr;
}
} while (brute && bruteCount < bruteMax && !found);
if (!found)
DBGLOG("iokit @ failed to find %s", prefix);
return proc ? nullptr : res;
}
/*
* Copyright (c) 1998-2013 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/IOMessage.h>
#include <IOKit/storage/IOPartitionScheme.h>
#define super IOStorage
OSDefineMetaClassAndStructors(IOPartitionScheme, IOStorage)
#ifndef __LP64__
extern IOStorageAttributes gIOStorageAttributesUnsupported;
#endif /* !__LP64__ */
static SInt32 partitionComparison( const OSMetaClassBase * object1,
const OSMetaClassBase * object2,
void * context )
{
//
// Internal comparison routine for sorting partitions in an ordered set.
//
UInt64 base1 = ( ( IOMedia * ) object1 )->getBase( );
UInt64 base2 = ( ( IOMedia * ) object2 )->getBase( );
#if TARGET_OS_EMBEDDED
OSString * uuid1 = OSDynamicCast( OSString, ( ( IOMedia * ) object1 )->getProperty( kIOMediaUUIDKey ) );
OSString * uuid2 = OSDynamicCast( OSString, ( ( IOMedia * ) object2 )->getProperty( kIOMediaUUIDKey ) );
if ( uuid1 || uuid2 )
{
if ( uuid1 == 0 ) return -1;
if ( uuid2 == 0 ) return 1;
return strcmp( uuid2->getCStringNoCopy( ), uuid1->getCStringNoCopy( ) );
}
#endif /* TARGET_OS_EMBEDDED */
if ( base1 < base2 ) return 1;
if ( base1 > base2 ) return -1;
return 0;
}
IOMedia * IOPartitionScheme::getProvider() const
{
//
// Obtain this object's provider. We override the superclass's method
// to return a more specific subclass of OSObject -- an IOMedia. This
// method serves simply as a convenience to subclass developers.
//
return (IOMedia *) IOService::getProvider();
}
bool IOPartitionScheme::init(OSDictionary * properties)
{
//
// Initialize this object's minimal state.
//
if (super::init(properties) == false) return false;
_openLevel = kIOStorageAccessNone;
_openReaders = OSSet::withCapacity(16);
_openReaderWriters = OSSet::withCapacity(16);
if (_openReaders == 0 || _openReaderWriters == 0) return false;
return true;
}
void IOPartitionScheme::free()
{
//
// Free all of this object's outstanding resources.
//
if (_openReaders) _openReaders->release();
if (_openReaderWriters) _openReaderWriters->release();
super::free();
}
bool IOPartitionScheme::handleOpen(IOService * client,
IOOptionBits options,
void * argument)
{
//
// The handleOpen method grants or denies permission to access this object
// to an interested client. The argument is an IOStorageAccess value that
// specifies the level of access desired -- reader or reader-writer.
//
// This method can be invoked to upgrade or downgrade the access level for
// an existing client as well. The previous access level will prevail for
// upgrades that fail, of course. A downgrade should never fail. If the
// new access level should be the same as the old for a given client, this
// method will do nothing and return success. In all cases, one, singular
// close-per-client is expected for all opens-per-client received.
//
// This implementation replaces the IOService definition of handleOpen().
//
// We are guaranteed that no other opens or closes will be processed until
// we make our decision, change our state, and return from this method.
//
IOStorageAccess access = (uintptr_t) argument;
IOStorageAccess level;
assert(client);
assert( access == kIOStorageAccessReader ||
access == kIOStorageAccessReaderWriter );
//
// A partition scheme multiplexes the opens it receives from several clients
// and sends one open to the level below that satisfies the highest level of
// access.
//
unsigned writers = _openReaderWriters->getCount();
if (_openReaderWriters->containsObject(client)) writers--;
if (access == kIOStorageAccessReaderWriter) writers++;
level = (writers) ? kIOStorageAccessReaderWriter : kIOStorageAccessReader;
//
// Determine whether the levels below us accept this open or not (we avoid
// the open if the required access is the access we already hold).
//
if ( _openLevel != level )
{
IOStorage * provider;
provider = OSDynamicCast( IOStorage, getProvider( ) );
if ( provider )
{
bool success;
level = ( level | kIOStorageAccessSharedLock );
success = provider->open( this, options, level );
level = ( level & kIOStorageAccessReaderWriter );
if ( success == false )
{
return false;
}
}
}
//
// Process the open.
//
if (access == kIOStorageAccessReader)
{
_openReaders->setObject(client);
_openReaderWriters->removeObject(client); // (for a downgrade)
}
else // (access == kIOStorageAccessReaderWriter)
{
_openReaderWriters->setObject(client);
_openReaders->removeObject(client); // (for an upgrade)
}
_openLevel = level;
return true;
}
bool IOPartitionScheme::handleIsOpen(const IOService * client) const
{
//
// The handleIsOpen method determines whether the specified client, or any
// client if none is specificed, presently has an open on this object.
//
// This implementation replaces the IOService definition of handleIsOpen().
//
// We are guaranteed that no other opens or closes will be processed until
// we return from this method.
//
if (client == 0) return (_openLevel != kIOStorageAccessNone);
return ( _openReaderWriters->containsObject(client) ||
_openReaders->containsObject(client) );
}
void IOPartitionScheme::handleClose(IOService * client, IOOptionBits options)
{
//
// The handleClose method closes the client's access to this object.
//
// This implementation replaces the IOService definition of handleClose().
//
// We are guaranteed that no other opens or closes will be processed until
// we change our state and return from this method.
//
assert(client);
//
// Process the close.
//
if (_openReaderWriters->containsObject(client)) // (is it a reader-writer?)
{
_openReaderWriters->removeObject(client);
}
else if (_openReaders->containsObject(client)) // (is the client a reader?)
{
_openReaders->removeObject(client);
}
else // (is the client is an imposter?)
{
assert(0);
return;
}
//
// Reevaluate the open we have on the level below us. If no opens remain,
// we close, or if no reader-writer remains, but readers do, we downgrade.
//
IOStorageAccess level;
if (_openReaderWriters->getCount()) level = kIOStorageAccessReaderWriter;
else if (_openReaders->getCount()) level = kIOStorageAccessReader;
else level = kIOStorageAccessNone;
if ( _openLevel != level )
{
IOStorage * provider;
provider = OSDynamicCast( IOStorage, getProvider( ) );
if ( provider )
{
if ( level == kIOStorageAccessNone )
{
provider->close( this, options );
}
else
{
bool success;
level = ( level | kIOStorageAccessSharedLock );
success = provider->open( this, 0, level );
level = ( level & kIOStorageAccessReaderWriter );
assert( success );
}
}
_openLevel = level;
}
}
void IOPartitionScheme::read(IOService * client,
UInt64 byteStart,
IOMemoryDescriptor * buffer,
IOStorageAttributes * attributes,
IOStorageCompletion * completion)
{
//
// Read data from the storage object at the specified byte offset into the
// specified buffer, asynchronously. When the read completes, the caller
// will be notified via the specified completion action.
//
// The buffer will be retained for the duration of the read.
//
// For simple partition schemes, the default behavior is to simply pass the
// read through to the provider media. More complex partition schemes such
// as RAID will need to do extra processing here.
//
#ifndef __LP64__
if ( IOStorage::_expansionData )
{
if ( attributes == &gIOStorageAttributesUnsupported )
{
attributes = NULL;
}
else
{
IOStorage::read( client, byteStart, buffer, attributes, completion );
return;
}
}
#endif /* !__LP64__ */
getProvider( )->read( this, byteStart, buffer, attributes, completion );
}
void IOPartitionScheme::write(IOService * client,
UInt64 byteStart,
IOMemoryDescriptor * buffer,
IOStorageAttributes * attributes,
IOStorageCompletion * completion)
{
//
// Write data into the storage object at the specified byte offset from the
// specified buffer, asynchronously. When the write completes, the caller
// will be notified via the specified completion action.
//
// The buffer will be retained for the duration of the write.
//
// For simple partition schemes, the default behavior is to simply pass the
// write through to the provider media. More complex partition schemes such
// as RAID will need to do extra processing here.
//
#ifndef __LP64__
if ( IOStorage::_expansionData )
{
if ( attributes == &gIOStorageAttributesUnsupported )
{
attributes = NULL;
}
else
{
IOStorage::write( client, byteStart, buffer, attributes, completion );
return;
}
}
#endif /* !__LP64__ */
getProvider( )->write( this, byteStart, buffer, attributes, completion );
}
IOReturn IOPartitionScheme::synchronizeCache(IOService * client)
{
//
// Flush the cached data in the storage object, if any, synchronously.
//
return getProvider()->synchronizeCache(this);
}
IOReturn IOPartitionScheme::unmap(IOService * client,
IOStorageExtent * extents,
UInt32 extentsCount,
UInt32 options)
{
//
// Delete unused data from the storage object at the specified byte offsets,
// synchronously.
//
return getProvider( )->unmap( this, extents, extentsCount, options );
}
bool IOPartitionScheme::lockPhysicalExtents(IOService * client)
{
//
// Lock the contents of the storage object against relocation temporarily,
// for the purpose of getting physical extents.
//
return getProvider( )->lockPhysicalExtents( this );
}
IOStorage * IOPartitionScheme::copyPhysicalExtent(IOService * client,
UInt64 * byteStart,
UInt64 * byteCount)
{
//
// Convert the specified byte offset into a physical byte offset, relative
// to a physical storage object. This call should only be made within the
// context of lockPhysicalExtents().
//
return getProvider( )->copyPhysicalExtent( this, byteStart, byteCount );
}
void IOPartitionScheme::unlockPhysicalExtents(IOService * client)
{
//
// Unlock the contents of the storage object for relocation again. This
// call must balance a successful call to lockPhysicalExtents().
//
getProvider( )->unlockPhysicalExtents( this );
}
#ifdef __LP64__
bool IOPartitionScheme::attachMediaObjectToDeviceTree(IOMedia * media)
#else /* !__LP64__ */
bool IOPartitionScheme::attachMediaObjectToDeviceTree(IOMedia * media,
IOOptionBits options)
#endif /* !__LP64__ */
{
//
// Attach the given media object to the device tree plane.
//
IORegistryEntry * parent = this;
while ( (parent = parent->getParentEntry(gIOServicePlane)) )
{
if ( parent->inPlane(gIODTPlane) )
{
char location[ 32 ];
const char * locationOfParent = parent->getLocation(gIODTPlane);
const char * nameOfParent = parent->getName(gIODTPlane);
if ( locationOfParent == 0 ) break;
if ( OSDynamicCast(IOMedia, parent) == 0 ) break;
parent = parent->getParentEntry(gIODTPlane);
if ( parent == 0 ) break;
if ( media->attachToParent(parent, gIODTPlane) == false ) break;
strlcpy(location, locationOfParent, sizeof(location));
if ( strchr(location, ':') ) *(strchr(location, ':') + 1) = 0;
strlcat(location, media->getLocation(), sizeof(location) - strlen(location));
media->setLocation(location, gIODTPlane);
media->setName(nameOfParent, gIODTPlane);
return true;
}
}
return false;
}
// ----------------------------------------------------------------------------------------------------
bool PlatformInterfaceDBDMA_Mapped::init ( IOService* device, AppleOnboardAudio* provider, UInt32 inDBDMADeviceIndex )
{
bool result = FALSE;
IOService* theService;
IORegistryEntry *macio;
IORegistryEntry *gpio;
IORegistryEntry *i2s;
IORegistryEntry *i2sParent;
IOMemoryMap *map;
debugIOLog ( 3, "+ PlatformInterfaceDBDMA_Mapped::init ( %p, %p, %d )", device, provider, inDBDMADeviceIndex );
FailIf ( NULL == provider, Exit );
FailIf ( NULL == device, Exit );
result = super::init ( device, provider, inDBDMADeviceIndex );
if ( result )
{
mKeyLargoService = IOService::waitForService ( IOService::serviceMatching ( "KeyLargo" ) );
debugIOLog ( 3, " sound's name is %s", ( (IORegistryEntry*)device)->getName () );
i2s = ( ( IORegistryEntry*)device)->getParentEntry ( gIODTPlane );
FailWithAction ( 0 == i2s, result = false, Exit );
debugIOLog ( 3, " parent name is '%s'", i2s->getName () );
if ( 0 == strcmp ( "i2s-a", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell0;
}
else if ( 0 == strcmp ( "i2s-b", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell1;
}
else if ( 0 == strcmp ( "i2s-c", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell2;
}
else if ( 0 == strcmp ( "i2s-d", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell3;
}
else if ( 0 == strcmp ( "i2s-e", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell4;
}
else if ( 0 == strcmp ( "i2s-f", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell5;
}
else if ( 0 == strcmp ( "i2s-g", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell6;
}
else if ( 0 == strcmp ( "i2s-h", i2s->getName () ) )
{
mI2SInterfaceNumber = kUseI2SCell7;
}
debugIOLog ( 5, " mI2SInterfaceNumber = %d", mI2SInterfaceNumber );
i2sParent = i2s->getParentEntry ( gIODTPlane );
FailWithAction ( 0 == i2sParent, result = false, Exit );
debugIOLog ( 3, " parent name of '%s' is %s", i2s->getName (), i2sParent->getName () );
macio = i2sParent->getParentEntry ( gIODTPlane );
FailWithAction ( 0 == macio, result = false, Exit );
debugIOLog ( 3, " macio name is %s", macio->getName () );
gpio = macio->childFromPath ( kGPIODTEntry, gIODTPlane);
FailWithAction ( !gpio, result = false, Exit);
debugIOLog ( 3, " gpio name is %s", gpio->getName () );
theService = ( OSDynamicCast ( IOService, i2s ) );
FailWithAction ( !theService, result = false, Exit );
map = theService->mapDeviceMemoryWithIndex ( inDBDMADeviceIndex );
FailWithAction ( 0 == map, result = false, Exit );
// cache the config space
mSoundConfigSpace = (UInt8 *)map->getPhysicalAddress();
// sets the clock base address figuring out which I2S cell we're on
if ((((UInt32)mSoundConfigSpace ^ kI2S0BaseOffset) & 0x0001FFFF) == 0)
{
// [3060321] ioBaseAddress is required by this object in order to enable the target
// I2S I/O Module for which this object is to service. The I2S I/O Module
// enable occurs through the configuration registers which reside in the
// first block of ioBase. rbm 2 Oct 2002
mIOBaseAddress = (void *)((UInt32)mSoundConfigSpace - kI2S0BaseOffset);
mIOBaseAddressMemory = IODeviceMemory::withRange ((IOPhysicalAddress)((UInt8 *)mSoundConfigSpace - kI2S0BaseOffset), 256);
mI2SInterfaceNumber = kUseI2SCell0;
}
else if ((((UInt32)mSoundConfigSpace ^ kI2S1BaseOffset) & 0x0001FFFF) == 0)
{
// [3060321] ioBaseAddress is required by this object in order to enable the target
// I2S I/O Module for which this object is to service. The I2S I/O Module
// enable occurs through the configuration registers which reside in the
// first block of ioBase. rbm 2 Oct 2002
mIOBaseAddress = (void *)((UInt32)mSoundConfigSpace - kI2S1BaseOffset);
mIOBaseAddressMemory = IODeviceMemory::withRange ((IOPhysicalAddress)((UInt8 *)mSoundConfigSpace - kI2S1BaseOffset), 256);
mI2SInterfaceNumber = kUseI2SCell1;
}
else
{
debugIOLog (3, " AudioI2SControl::init ERROR: unable to setup ioBaseAddress and i2SInterfaceNumber");
}
FailIf (NULL == mIOBaseAddressMemory, Exit);
// [3060321] ioConfigurationBaseAddress is required by this object in order to enable the target
// I2S I/O Module for which this object is to service. The I2S I/O Module
// enable occurs through the configuration registers which reside in the
// first block of ioBase. rbm 2 Oct 2002
mIOConfigurationBaseAddress = (void *)mIOBaseAddressMemory->map()->getVirtualAddress();
FailIf ( NULL == mIOConfigurationBaseAddress, Exit );
//
// There are three sections of memory mapped I/O that are directly accessed by the Apple02Audio. These
// include the GPIOs, I2S DMA Channel Registers and I2S control registers. They fall within the memory map
// as follows:
// ~ ~
// |______________________________|
// | |
// | I2S Control |
// |______________________________| <- soundConfigSpace = ioBase + i2s0BaseOffset ...OR... ioBase + i2s1BaseOffset
// | |
// ~ ~
// ~ ~
// |______________________________|
// | |
// | I2S DMA Channel |
// |______________________________| <- i2sDMA = ioBase + i2s0_DMA ...OR... ioBase + i2s1_DMA
// | |
// ~ ~
// ~ ~
// |______________________________|
// | FCRs |
// | GPIO | <- gpio = ioBase + gpioOffsetAddress
// | ExtIntGPIO | <- fcr = ioBase + fcrOffsetAddress
// |______________________________| <- ioConfigurationBaseAddress
// | |
// ~ ~
//
// The I2S DMA Channel is mapped in by the Apple02DBDMAAudioDMAEngine. Only the I2S control registers are
// mapped in by the AudioI2SControl. The Apple I/O Configuration Space (i.e. FCRs, GPIOs and ExtIntGPIOs)
// are mapped in by the subclass of Apple02Audio. The FCRs must also be mapped in by the AudioI2SControl
// object as the init method must enable the I2S I/O Module for which the AudioI2SControl object is
// being instantiated for.
//
// The physical addresses for memory mapped I/O within the KeyLargo system I/O controller are as follows:
//
//
//
// ______________________________
// /| |
// / | |
// / |______________________________|
// ______________________________ / | |
// | | | I2S 1 ('i2s-b') |
// | | |______________________________|....0xnnn11000 [0x80011000]
// | | | |
// | | | I2S 0 ('i2s-a') |
// | | |______________________________|....0xnnn10000 [0x80001000]
// | Device Registers | /
// | | /
// | | / ______________________________
// | |/ /| |
// |______________________________|__/ | |
// | | |______________________________|
// | | | |
// | | | I2S 1 Rx DMA ('i2s-b') |
// | | |______________________________|....0xnnn08300 [0x80008300]
// | DMA Channel Registers | | |
// | | | I2S 1 Tx DMA ('i2s-b') |
// | | |______________________________|....0xnnn08200 [0x80008200]
// | | | |
// |______________________________| | I2S 0 Rx DMA ('i2s-a') |
// | |\ |______________________________|....0xnnn08100 [0x80008100]
// | | \ | |
// | Reserved: read "0" | \ | I2S 0 Tx DMA ('i2s-a') |
// | | \|______________________________|....0xnnn08000 [0x80008000]
// |______________________________|
// | |
// | |
// | Apple I/O Configuration |
// | |
// |______________________________|....0xnnn00000 [0x80011000]
//
// Map the I2S configuration registers
mIOI2SBaseAddressMemory = IODeviceMemory::withRange ((IOPhysicalAddress)((UInt8 *)mSoundConfigSpace), kI2S_IO_CONFIGURATION_SIZE);
FailIf ( NULL == mIOI2SBaseAddressMemory, Exit );
mI2SBaseAddress = (void *)mIOI2SBaseAddressMemory->map()->getVirtualAddress();
FailIf (NULL == mI2SBaseAddress, Exit);
debugIOLog (3, " mI2SInterfaceNumber = %d", mI2SInterfaceNumber);
debugIOLog (3, " mIOI2SBaseAddressMemory = %p", mIOI2SBaseAddressMemory);
debugIOLog (3, " mI2SBaseAddress = %p", mI2SBaseAddress);
debugIOLog (3, " mIOBaseAddressMemory = %p", mIOBaseAddressMemory);
debugIOLog (3, " mIOConfigurationBaseAddress = %p", mIOConfigurationBaseAddress);
}
Exit:
debugIOLog ( 3, "- PlatformInterfaceDBDMA_Mapped::init ( %p, %p, %d ) returns %lX", device, provider, inDBDMADeviceIndex, result );
return result;
}
void FileNVRAM::copyEntryProperties(const char* prefix, IORegistryEntry* entry)
{
IORegistryEntry* child;
OSDictionary* properties;
OSCollectionIterator *iter;
if (entry)
{
// Parse all IORegistery Children
OSIterator * iterator = entry->getChildIterator(gIODTPlane);
if (iterator)
{
while((child = OSDynamicCast(IORegistryEntry, iterator->getNextObject())) != NULL)
{
const char* name = child->getName();
if (prefix)
{
size_t size = strlen(prefix) + sizeof(NVRAM_SEPERATOR) + strlen(name);
char* newPrefix = (char*)IOMalloc(size);
snprintf(newPrefix, size, "%s%s%s", prefix, NVRAM_SEPERATOR, name);
copyEntryProperties(newPrefix, child);
IOFree(newPrefix, size);
}
else
{
copyEntryProperties(name, child);
}
}
iterator->release();
}
// Parse entry properties and add them to our self
properties = entry->dictionaryWithProperties();
bool result = true;
OSObject *object;
const OSSymbol *key;
iter = OSCollectionIterator::withCollection(properties);
if (iter == 0)
{
return;
}
while (result)
{
key = OSDynamicCast(OSSymbol, iter->getNextObject());
if (key == 0)
{
break;
}
if (key->isEqualTo("name"))
{
continue; // Special property in IORegistery, ignore
}
object = properties->getObject(key);
if (object == 0)
{
continue;
}
if (prefix)
{
size_t size = strlen(prefix) + sizeof(NVRAM_SEPERATOR) + strlen(key->getCStringNoCopy());
char* newKey = (char*)IOMalloc(size);
snprintf(newKey, size, "%s%s%s", prefix, NVRAM_SEPERATOR, key->getCStringNoCopy());
setProperty(OSSymbol::withCString(newKey), object);
IOFree(newKey, size);
}
else
{
setProperty(key, object);
}
}
iter->release();
}
}
IORegistryEntry *
IODeviceTreeAlloc( void * dtTop )
{
IORegistryEntry * parent;
IORegistryEntry * child;
IORegistryIterator * regIter;
DTEntryIterator iter;
DTEntry dtChild;
DTEntry mapEntry;
OSArray * stack;
OSData * prop;
OSDictionary * allInts;
vm_offset_t * dtMap;
unsigned int propSize;
bool intMap;
bool freeDT;
gIODTPlane = IORegistryEntry::makePlane( kIODeviceTreePlane );
gIODTNameKey = OSSymbol::withCStringNoCopy( "name" );
gIODTUnitKey = OSSymbol::withCStringNoCopy( "AAPL,unit-string" );
gIODTCompatibleKey = OSSymbol::withCStringNoCopy( "compatible" );
gIODTTypeKey = OSSymbol::withCStringNoCopy( "device_type" );
gIODTModelKey = OSSymbol::withCStringNoCopy( "model" );
gIODTSizeCellKey = OSSymbol::withCStringNoCopy( "#size-cells" );
gIODTAddressCellKey = OSSymbol::withCStringNoCopy( "#address-cells" );
gIODTRangeKey = OSSymbol::withCStringNoCopy( "ranges" );
gIODTPersistKey = OSSymbol::withCStringNoCopy( "IODTPersist" );
assert( gIODTPlane && gIODTCompatibleKey
&& gIODTTypeKey && gIODTModelKey
&& gIODTSizeCellKey && gIODTAddressCellKey && gIODTRangeKey
&& gIODTPersistKey );
gIODTDefaultInterruptController
= OSSymbol::withCStringNoCopy("IOPrimaryInterruptController");
gIODTNWInterruptMappingKey
= OSSymbol::withCStringNoCopy("IONWInterrupts");
gIODTAAPLInterruptsKey
= OSSymbol::withCStringNoCopy("AAPL,interrupts");
gIODTPHandleKey
= OSSymbol::withCStringNoCopy("AAPL,phandle");
gIODTInterruptParentKey
= OSSymbol::withCStringNoCopy("interrupt-parent");
gIODTPHandles = OSArray::withCapacity( 1 );
gIODTPHandleMap = OSArray::withCapacity( 1 );
gIODTInterruptCellKey
= OSSymbol::withCStringNoCopy("#interrupt-cells");
assert( gIODTDefaultInterruptController && gIODTNWInterruptMappingKey
&& gIODTAAPLInterruptsKey
&& gIODTPHandleKey && gIODTInterruptParentKey
&& gIODTPHandles && gIODTPHandleMap
&& gIODTInterruptCellKey
);
freeDT = (kSuccess == DTLookupEntry( 0, "/chosen/memory-map", &mapEntry ))
&& (kSuccess == DTGetProperty( mapEntry,
"DeviceTree", (void **) &dtMap, &propSize ))
&& ((2 * sizeof(uint32_t)) == propSize);
parent = MakeReferenceTable( (DTEntry)dtTop, freeDT );
stack = OSArray::withObjects( (const OSObject **) &parent, 1, 10 );
DTCreateEntryIterator( (DTEntry)dtTop, &iter );
do {
parent = (IORegistryEntry *)stack->getObject( stack->getCount() - 1);
//parent->release();
stack->removeObject( stack->getCount() - 1);
while( kSuccess == DTIterateEntries( iter, &dtChild) ) {
child = MakeReferenceTable( dtChild, freeDT );
child->attachToParent( parent, gIODTPlane);
AddPHandle( child );
if( kSuccess == DTEnterEntry( iter, dtChild)) {
stack->setObject( parent);
parent = child;
}
// only registry holds retain
child->release();
}
} while( stack->getCount()
&& (kSuccess == DTExitEntry( iter, &dtChild)));
stack->release();
DTDisposeEntryIterator( iter);
// parent is now root of the created tree
// make root name first compatible entry (purely cosmetic)
if( (prop = (OSData *) parent->getProperty( gIODTCompatibleKey))) {
parent->setName( parent->getName(), gIODTPlane );
parent->setName( (const char *) prop->getBytesNoCopy() );
}
// attach tree to meta root
parent->attachToParent( IORegistryEntry::getRegistryRoot(), gIODTPlane);
parent->release();
if( freeDT ) {
// free original device tree
DTInit(0);
IODTFreeLoaderInfo( "DeviceTree",
(void *)dtMap[0], (int) round_page(dtMap[1]) );
}
// adjust tree
gIODTSharedInterrupts = OSDictionary::withCapacity(4);
allInts = OSDictionary::withCapacity(4);
intMap = false;
regIter = IORegistryIterator::iterateOver( gIODTPlane,
kIORegistryIterateRecursively );
assert( regIter && allInts && gIODTSharedInterrupts );
if( regIter && allInts && gIODTSharedInterrupts ) {
while( (child = regIter->getNextObject())) {
IODTMapInterruptsSharing( child, allInts );
if( !intMap && child->getProperty( gIODTInterruptParentKey))
intMap = true;
}
regIter->release();
}
#if IODTSUPPORTDEBUG
parent->setProperty("allInts", allInts);
parent->setProperty("sharedInts", gIODTSharedInterrupts);
regIter = IORegistryIterator::iterateOver( gIODTPlane,
kIORegistryIterateRecursively );
if (regIter) {
while( (child = regIter->getNextObject())) {
OSArray *
array = OSDynamicCast(OSArray, child->getProperty( gIOInterruptSpecifiersKey ));
for( UInt32 i = 0; array && (i < array->getCount()); i++)
{
IOOptionBits options;
IOReturn ret = IODTGetInterruptOptions( child, i, &options );
if( (ret != kIOReturnSuccess) || options)
IOLog("%s[%ld] %ld (%x)\n", child->getName(), i, options, ret);
}
}
regIter->release();
}
#endif
allInts->release();
if( intMap)
// set a key in the root to indicate we found NW interrupt mapping
parent->setProperty( gIODTNWInterruptMappingKey,
(OSObject *) gIODTNWInterruptMappingKey );
return( parent);
}
UInt32 FakeSMCDevice::loadKeysFromNVRAM()
{
UInt32 count = 0;
// Find driver and load keys from NVRAM
// check for Chameleon NVRAM key first (because waiting for IODTNVRAM hangs)
IORegistryEntry* nvram = IORegistryEntry::fromPath("/chosen/nvram", gIODTPlane);
OSDictionary* matching = 0;
if (!nvram) {
// probably booting w/ Clover
matching = serviceMatching("IODTNVRAM");
nvram = OSDynamicCast(IODTNVRAM, waitForMatchingService(matching, 1000000000ULL * 15));
}
if (1) { //REVIEW: just to reduce diffs
if (nvram) {
useNVRAM = true;
if ((genericNVRAM = (0 == strncmp(nvram->getName(), "AppleNVRAM", sizeof("AppleNVRAM")))))
HWSensorsInfoLog("fallback to generic NVRAM methods");
OSSerialize *s = OSSerialize::withCapacity(0); // Workaround for IODTNVRAM->getPropertyTable returns IOKitPersonalities instead of NVRAM properties dictionary
if (nvram->serializeProperties(s)) {
if (OSDictionary *props = OSDynamicCast(OSDictionary, OSUnserializeXML(s->text()))) {
if (OSCollectionIterator *iterator = OSCollectionIterator::withCollection(props)) {
size_t prefix_length = strlen(kFakeSMCKeyPropertyPrefix);
char name[5]; name[4] = 0;
char type[5]; type[4] = 0;
while (OSString *property = OSDynamicCast(OSString, iterator->getNextObject())) {
const char *buffer = static_cast<const char *>(property->getCStringNoCopy());
if (property->getLength() >= prefix_length + 1 + 4 + 1 + 0 && 0 == strncmp(buffer, kFakeSMCKeyPropertyPrefix, prefix_length)) {
if (OSData *data = OSDynamicCast(OSData, props->getObject(property))) {
strncpy(name, buffer + prefix_length + 1, 4); // fakesmc-key-???? ->
strncpy(type, buffer + prefix_length + 1 + 4 + 1, 4); // fakesmc-key-xxxx-???? ->
if (addKeyWithValue(name, type, data->getLength(), data->getBytesNoCopy())) {
HWSensorsDebugLog("key %s of type %s loaded from NVRAM", name, type);
count++;
}
}
}
}
OSSafeRelease(iterator);
}
OSSafeRelease(props);
}
}
OSSafeRelease(s);
OSSafeRelease(nvram);
}
else {
HWSensorsWarningLog("NVRAM is unavailable");
}
OSSafeRelease(matching);
}
return count;
}
IOReturn IOI2CMaxim1631::publishChildren(IOService *nub)
{
OSIterator *childIterator = NULL;
IORegistryEntry *childEntry = NULL;
IOService *childNub = NULL;
childIterator = nub->getChildIterator(gIODTPlane);
if( childIterator != NULL )
{
// Iterate through children and create nubs
while ( ( childEntry = (IORegistryEntry *)( childIterator->getNextObject() ) ) != NULL )
{
// Publish child as IOService
childNub = OSDynamicCast(IOService, OSMetaClass::allocClassWithName("IOService"));
childNub->init(childEntry, gIODTPlane);
childNub->attach(this);
childNub->registerService();
DLOG("IOI2CMaxim1631::publishChildren(0x%x) published child %s\n", getI2CAddress(), childEntry->getName());
}
childIterator->release();
}
return kIOReturnSuccess;
}
