void
AppleUSBUHCI::RHEnablePort(int port, bool enable)
{
UInt16 value;
// USBLog(5, "AppleUSBUHCI[%p]::RHEnablePort %d %d", this, port, enable);
port--; // convert 1-based to 0-based.
value = ReadPortStatus(port) & kUHCI_PORTSC_MASK;
USBLog(3, "AppleUSBUHCI[%p]::RHEnablePort port: %d enable: %d PortSC: 0x%x", this, port+1, enable, value);
USBLog(2, "AppleUSBUHCI[%p]::RHEnablePort (CMD:%p STS:%p INTR:%p PORTSC1:%p PORTSC2:%p FRBASEADDR:%p FRNUM:%p, SOFMOD:%p, ConfigCMD:%p)", this, (void*)ioRead16(kUHCI_CMD), (void*)ioRead16(kUHCI_STS), (void*)ioRead16(kUHCI_INTR), (void*)ioRead16(kUHCI_PORTSC1), (void*)ioRead16(kUHCI_PORTSC2), (void*)ioRead32(kUHCI_FRBASEADDR),
(void*)ioRead32(kUHCI_FRNUM), (void*)ioRead32(kUHCI_SOFMOD), (void*)_device->configRead16(kIOPCIConfigCommand));
if (enable)
{
value |= kUHCI_PORTSC_PED;
} else
{
value &= ~kUHCI_PORTSC_PED;
}
WritePortStatus(port, value);
}
//================================================================================================
//
// RestartControllerFromReset
//
//================================================================================================
//
IOReturn
AppleUSBUHCI::RestartControllerFromReset(void)
{
USBTrace( kUSBTUHCI, KTPUHCIRestartControllerFromReset, (uintptr_t)this, 0, 0, 0);
USBLog(5, "AppleUSBUHCI[%p]::RestartControllerFromReset - _myBusState(%d) CMD(%p) STS(%p) FRBASEADDR(%p) IOPCIConfigCommand(%p)", this, (int)_myBusState, (void*)ioRead16(kUHCI_CMD), (void*)ioRead16(kUHCI_STS), (void*)ioRead32(kUHCI_FRBASEADDR), (void*)_device->configRead16(kIOPCIConfigCommand));
Run(true);
// prepare the _saveInterrupts variable for later enabling
_saveInterrupts = kUHCI_INTR_TIE | kUHCI_INTR_RIE | kUHCI_INTR_IOCE | kUHCI_INTR_SPIE;
USBLog(5, "AppleUSBUHCI[%p]::RestartControllerFromReset - I set _saveInterrupts to (%p)", this, (void*)_saveInterrupts);
return kIOReturnSuccess;
}
int main(int argc, char **argv)
{
io_registry_entry_t service;
io_connect_t connect;
kern_return_t status;
service = IOServiceGetMatchingService(kIOMasterPortDefault,
IOServiceMatching("AppleACPIPlatformExpert"));
assert(service);
if (service)
{
status = IOServiceOpen(service, mach_task_self(), 0, &connect);
IOObjectRelease(service);
assert(kIOReturnSuccess == status);
}
uint32_t count = 0;
uint32_t segment = 0;
uint32_t maxBus = 0;
uint32_t bus, device, fn, maxFn;
uint32_t vendProd;
if (argc > 3)
{
bus = strtoul(argv[1], NULL, 0);
device = strtoul(argv[2], NULL, 0);
fn = strtoul(argv[3], NULL, 0);
if (argc == 4)
{
dumpDevice(connect, segment, bus, device, fn, NULL, NULL);
count++;
}
if (argc > 5)
{
uint32_t offs;
uint32_t data;
offs = strtoul(argv[4], NULL, 0);
data = strtoul(argv[5], NULL, 0);
configWrite32(connect, segment, bus, device, fn, offs, data);
printf("wrote 0x%08x to [%d, %d, %d]:0x%X\n", data, bus, device, fn, offs);
}
else if (argc > 4)
{
uint32_t offs;
uint32_t data;
offs = strtoul(argv[4], NULL, 0);
data = configRead32(connect, segment, bus, device, fn, offs);
printf("read 0x%08x from [%d, %d, %d]:0x%X\n", data, bus, device, fn, offs);
}
}
else if (argc > 2)
{
uint64_t offs;
uint32_t data;
offs = strtoull(argv[1], NULL, 0);
data = strtoul(argv[2], NULL, 0);
physWrite32(connect, offs, data);
printf("wrote 0x%08x to 0x%llX\n", data, offs);
}
else if (argc > 1)
{
uint64_t offs;
uint32_t data;
offs = strtoull(argv[1], NULL, 0);
if (true || (offs > 0x10000ULL))
{
data = physRead32(connect, offs);
printf("read 0x%08x from mem 0x%llX\n", data, offs);
}
else
{
data = ioRead32(connect, offs);
printf("read 0x%08x from i/o 0x%llX\n", data, offs);
}
}
else for (bus = 0; bus <= maxBus; bus++)
{
for (device = 0; device < 32; device++)
{
maxFn = 0;
for (fn = 0; fn <= maxFn; fn++)
{
vendProd = configRead32(connect, segment, bus, device, fn, kIOPCIConfigVendorID);
if ((0xFFFFFFFF == vendProd) || !vendProd)
continue;
count++;
dumpDevice(connect, segment, bus, device, fn, &maxBus, &maxFn);
}
}
}
printf("total: %d\n", count);
exit(0);
}
// Called at software interrupt time
void
AppleUSBUHCI::HandleInterrupt(void)
{
UInt16 status;
UInt32 intrStatus;
bool needReset = false;
status = ioRead16(kUHCI_STS);
USBTrace_Start( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 0);
if (_hostControllerProcessInterrupt & kUHCI_STS_HCPE)
{
_hostControllerProcessInterrupt = 0;
USBLog(1, "AppleUSBUHCI[%p]::HandleInterrupt - Host controller process error", this);
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 1 );
needReset = true;
}
if (_hostSystemErrorInterrupt & kUHCI_STS_HSE)
{
_hostSystemErrorInterrupt = 0;
USBLog(1, "AppleUSBUHCI[%p]::HandleInterrupt - Host controller system error(CMD:%p STS:%p INTR:%p PORTSC1:%p PORTSC2:%p FRBASEADDR:%p ConfigCMD:%p)", this,(void*)ioRead16(kUHCI_CMD), (void*)ioRead16(kUHCI_STS), (void*)ioRead16(kUHCI_INTR), (void*)ioRead16(kUHCI_PORTSC1), (void*)ioRead16(kUHCI_PORTSC2), (void*)ioRead32(kUHCI_FRBASEADDR), (void*)_device->configRead16(kIOPCIConfigCommand));
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, ioRead16(kUHCI_CMD), 0, 2 );
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, ioRead16(kUHCI_STS), ioRead16(kUHCI_INTR), ioRead16(kUHCI_PORTSC1), 3 );
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, ioRead16(kUHCI_PORTSC2), ioRead32(kUHCI_FRBASEADDR), _device->configRead16(kIOPCIConfigCommand), 4 );
needReset = true;
}
if (_resumeDetectInterrupt & kUHCI_STS_RD)
{
_resumeDetectInterrupt = 0;
USBLog(2, "AppleUSBUHCI[%p]::HandleInterrupt - Host controller resume detected - calling EnsureUsability", this);
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 6);
EnsureUsability();
}
if (_usbErrorInterrupt & kUHCI_STS_EI)
{
_usbErrorInterrupt = 0;
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 7);
USBLog(6, "AppleUSBUHCI[%p]::HandleInterrupt - Host controller error interrupt", this);
}
if (_usbCompletionInterrupt & kUHCI_STS_INT)
{
_usbCompletionInterrupt = 0;
// USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 8);
// updates hardware interrupt time from shadow vars that are se in the real irq handler
UpdateFrameNumberWithTime();
USBLog(7, "AppleUSBUHCI[%p]::HandleInterrupt - Normal interrupt", this);
if (_consumerCount != _producerCount)
{
USBLog(7, "AppleUSBUHCI[%p]::HandleInterrupt - Isoch was handled", this);
}
}
// this code probably doesn't work
if (needReset)
{
IOSleep(1000);
USBLog(1, "AppleUSBUHCI[%p]::HandleInterrupt - Resetting controller due to errors detected at interrupt time (0x%x)", this, status);
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, status, needReset, 5 );
Reset(true);
Run(true);
}
if (_myPowerState == kUSBPowerStateOn)
{
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, status, 0, 9);
ProcessCompletedTransactions();
// Check for root hub status change
RHCheckStatus();
}
else
{
USBLog(2, "AppleUSBUHCI[%p]::HandleInterrupt - deferring further processing until we are running again", this);
USBTrace( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 10);
}
USBTrace_End( kUSBTUHCIInterrupts, kTPUHCIInterruptsHandleInterrupt, (uintptr_t)this, 0, 0, 0);
}
