IOPCIDeviceMappedIO.cpp [plain text]
#if !defined(__i386__) && !defined(__x86_64__)
#include <IOKit/system.h>
#include <IOKit/pci/IOPCIBridge.h>
#include <IOKit/pci/IOPCIDevice.h>
#include <IOKit/IOLib.h>
#include <IOKit/assert.h>
#include <libkern/OSByteOrder.h>
#include <libkern/c++/OSContainers.h>
UInt32 IOPCIDevice::ioRead32( UInt16 offset, IOMemoryMap * map )
{
UInt32 value;
if (0 == map)
{
map = ioMap;
if (0 == map)
return (0);
}
value = OSReadLittleInt32( (volatile void *)map->getVirtualAddress(), offset);
OSSynchronizeIO();
return (value);
}
UInt16 IOPCIDevice::ioRead16( UInt16 offset, IOMemoryMap * map )
{
UInt16 value;
if (0 == map)
{
map = ioMap;
if (0 == map)
return (0);
}
value = OSReadLittleInt16( (volatile void *)map->getVirtualAddress(), offset);
OSSynchronizeIO();
return (value);
}
UInt8 IOPCIDevice::ioRead8( UInt16 offset, IOMemoryMap * map )
{
UInt32 value;
if (0 == map)
{
map = ioMap;
if (0 == map)
return (0);
}
value = ((volatile UInt8 *) map->getVirtualAddress())[ offset ];
OSSynchronizeIO();
return (value);
}
void IOPCIDevice::ioWrite32( UInt16 offset, UInt32 value,
IOMemoryMap * map )
{
if (0 == map)
{
map = ioMap;
if (0 == map)
return ;
}
OSWriteLittleInt32( (volatile void *)map->getVirtualAddress(), offset, value);
OSSynchronizeIO();
}
void IOPCIDevice::ioWrite16( UInt16 offset, UInt16 value,
IOMemoryMap * map )
{
if (0 == map)
{
map = ioMap;
if (0 == map)
return ;
}
OSWriteLittleInt16( (volatile void *)map->getVirtualAddress(), offset, value);
OSSynchronizeIO();
}
void IOPCIDevice::ioWrite8( UInt16 offset, UInt8 value,
IOMemoryMap * map )
{
if (0 == map)
{
map = ioMap;
if (0 == map)
return ;
}
((volatile UInt8 *) map->getVirtualAddress())[ offset ] = value;
OSSynchronizeIO();
}
#endif // !defined(__i386__) && !defined(__x86_64__)