NvError
NvRmPwmOpen(
NvRmDeviceHandle hDevice,
NvRmPwmHandle *phPwm)
{
NvError status = NvSuccess;
NvU32 PwmPhysAddr = 0, i = 0, PmcPhysAddr = 0;
NvRmModuleCapability caps[4];
NvRmModuleCapability *pCap = NULL;
NV_ASSERT(hDevice);
NV_ASSERT(phPwm);
NvOsMutexLock(s_hPwmMutex);
if (s_hPwm)
{
s_hPwm->RefCount++;
goto exit;
}
// Allcoate the memory for the pwm handle
s_hPwm = NvOsAlloc(sizeof(NvRmPwm));
if (!s_hPwm)
{
status = NvError_InsufficientMemory;
goto fail;
}
NvOsMemset(s_hPwm, 0, sizeof(NvRmPwm));
// Set the pwm handle parameters
s_hPwm->RmDeviceHandle = hDevice;
// Get the pwm physical and virtual base address
NvRmModuleGetBaseAddress(hDevice,
NVRM_MODULE_ID(NvRmModuleID_Pwm, 0),
&PwmPhysAddr, &(s_hPwm->PwmBankSize));
s_hPwm->PwmBankSize = PWM_BANK_SIZE;
for (i = 0; i < NvRmPwmOutputId_Num-2; i++)
{
status = NvRmPhysicalMemMap(
PwmPhysAddr + i*s_hPwm->PwmBankSize,
s_hPwm->PwmBankSize,
NVOS_MEM_READ_WRITE,
NvOsMemAttribute_Uncached,
(void**)&s_hPwm->VirtualAddress[i]);
if (status != NvSuccess)
{
NvOsFree(s_hPwm);
goto fail;
}
}
// Get the pmc physical and virtual base address
NvRmModuleGetBaseAddress(hDevice,
NVRM_MODULE_ID(NvRmModuleID_Pmif, 0),
&PmcPhysAddr, &(s_hPwm->PmcBankSize));
s_hPwm->PmcBankSize = PMC_BANK_SIZE;
status = NvRmPhysicalMemMap(
PmcPhysAddr,
s_hPwm->PmcBankSize,
NVOS_MEM_READ_WRITE,
NvOsMemAttribute_Uncached,
(void**)&s_hPwm->VirtualAddress[NvRmPwmOutputId_Num-2]);
if (status != NvSuccess)
{
NvOsFree(s_hPwm);
goto fail;
}
caps[0].MajorVersion = 1;
caps[0].MinorVersion = 0;
caps[0].EcoLevel = 0;
caps[0].Capability = &caps[0];
caps[1].MajorVersion = 1;
caps[1].MinorVersion = 1;
caps[1].EcoLevel = 0;
caps[1].Capability = &caps[1];
caps[2].MajorVersion = 1;
caps[2].MinorVersion = 2;
caps[2].EcoLevel = 0;
caps[2].Capability = &caps[2];
caps[3].MajorVersion = 2;
caps[3].MinorVersion = 0;
caps[3].EcoLevel = 0;
caps[3].Capability = &caps[3];
NV_ASSERT_SUCCESS(NvRmModuleGetCapabilities(
hDevice,
NvRmModuleID_Pwm,
caps,
sizeof(caps)/sizeof(caps[0]),
(void**)&pCap));
if ((pCap->MajorVersion > 1) ||
((pCap->MajorVersion == 1) && (pCap->MinorVersion > 0)))
s_IsFreqDividerSupported = NV_TRUE;
s_hPwm->RefCount++;
exit:
*phPwm = s_hPwm;
NvOsMutexUnlock(s_hPwmMutex);
return NvSuccess;
fail:
NvOsMutexUnlock(s_hPwmMutex);
return status;
}
NvError
NvDdkUsbPhyOpen(
NvRmDeviceHandle hRm,
NvU32 Instance,
NvDdkUsbPhyHandle *hUsbPhy)
{
NvError e;
NvU32 MaxInstances = 0;
NvDdkUsbPhy *pUsbPhy = NULL;
NvOsMutexHandle UsbPhyMutex = NULL;
NvRmModuleInfo info[MAX_USB_INSTANCES];
NvU32 j;
NV_ASSERT(hRm);
NV_ASSERT(hUsbPhy);
NV_ASSERT(Instance < MAX_USB_INSTANCES);
NV_CHECK_ERROR(NvRmModuleGetModuleInfo( hRm, NvRmModuleID_Usb2Otg, &MaxInstances, NULL ));
if (MaxInstances > MAX_USB_INSTANCES)
{
// Ceil "instances" to MAX_USB_INSTANCES
MaxInstances = MAX_USB_INSTANCES;
}
NV_CHECK_ERROR(NvRmModuleGetModuleInfo( hRm, NvRmModuleID_Usb2Otg, &MaxInstances, info ));
for (j = 0; j < MaxInstances; j++)
{
// Check whether the requested instance is present
if(info[j].Instance == Instance)
break;
}
// No match found return
if (j == MaxInstances)
{
return NvError_ModuleNotPresent;
}
if (!s_UsbPhyMutex)
{
e = NvOsMutexCreate(&UsbPhyMutex);
if (e!=NvSuccess)
return e;
if (NvOsAtomicCompareExchange32(
(NvS32*)&s_UsbPhyMutex, 0, (NvS32)UsbPhyMutex)!=0)
{
NvOsMutexDestroy(UsbPhyMutex);
}
}
NvOsMutexLock(s_UsbPhyMutex);
if (!s_pUsbPhy)
{
s_pUsbPhy = NvOsAlloc(MaxInstances * sizeof(NvDdkUsbPhy));
if (s_pUsbPhy)
NvOsMemset(s_pUsbPhy, 0, MaxInstances * sizeof(NvDdkUsbPhy));
}
NvOsMutexUnlock(s_UsbPhyMutex);
if (!s_pUsbPhy)
return NvError_InsufficientMemory;
NvOsMutexLock(s_UsbPhyMutex);
if (!s_pUtmiPadConfig)
{
s_pUtmiPadConfig = NvOsAlloc(sizeof(NvDdkUsbPhyUtmiPadConfig));
if (s_pUtmiPadConfig)
{
NvRmPhysAddr PhyAddr;
NvOsMemset(s_pUtmiPadConfig, 0, sizeof(NvDdkUsbPhyUtmiPadConfig));
NvRmModuleGetBaseAddress(
hRm,
NVRM_MODULE_ID(NvRmModuleID_Usb2Otg, 0),
&PhyAddr, &s_pUtmiPadConfig->BankSize);
NV_CHECK_ERROR_CLEANUP(
NvRmPhysicalMemMap(
PhyAddr, s_pUtmiPadConfig->BankSize, NVOS_MEM_READ_WRITE,
NvOsMemAttribute_Uncached, (void **)&s_pUtmiPadConfig->pVirAdr));
}
}
NvOsMutexUnlock(s_UsbPhyMutex);
if (!s_pUtmiPadConfig)
return NvError_InsufficientMemory;
pUsbPhy = &s_pUsbPhy[Instance];
NvOsMutexLock(s_UsbPhyMutex);
if (!pUsbPhy->RefCount)
{
NvRmPhysAddr PhysAddr;
NvOsMutexHandle ThreadSafetyMutex = NULL;
NvOsMemset(pUsbPhy, 0, sizeof(NvDdkUsbPhy));
pUsbPhy->Instance = Instance;
pUsbPhy->hRmDevice = hRm;
pUsbPhy->RefCount = 1;
pUsbPhy->IsPhyPoweredUp = NV_FALSE;
pUsbPhy->pUtmiPadConfig = s_pUtmiPadConfig;
pUsbPhy->pProperty = NvOdmQueryGetUsbProperty(
NvOdmIoModule_Usb, pUsbPhy->Instance);
pUsbPhy->TurnOffPowerRail = UsbPhyTurnOffPowerRail(MaxInstances);
NV_CHECK_ERROR_CLEANUP(NvOsMutexCreate(&ThreadSafetyMutex));
if (NvOsAtomicCompareExchange32(
(NvS32*)&pUsbPhy->ThreadSafetyMutex, 0,
(NvS32)ThreadSafetyMutex)!=0)
{
NvOsMutexDestroy(ThreadSafetyMutex);
}
NvRmModuleGetBaseAddress(
pUsbPhy->hRmDevice,
NVRM_MODULE_ID(NvRmModuleID_Usb2Otg, pUsbPhy->Instance),
&PhysAddr, &pUsbPhy->UsbBankSize);
NV_CHECK_ERROR_CLEANUP(
NvRmPhysicalMemMap(
PhysAddr, pUsbPhy->UsbBankSize, NVOS_MEM_READ_WRITE,
NvOsMemAttribute_Uncached, (void **)&pUsbPhy->UsbVirAdr));
NvRmModuleGetBaseAddress(
pUsbPhy->hRmDevice,
NVRM_MODULE_ID(NvRmModuleID_Misc, 0),
&PhysAddr, &pUsbPhy->MiscBankSize);
NV_CHECK_ERROR_CLEANUP(
NvRmPhysicalMemMap(
PhysAddr, pUsbPhy->MiscBankSize, NVOS_MEM_READ_WRITE,
NvOsMemAttribute_Uncached, (void **)&pUsbPhy->MiscVirAdr));
if ( ( pUsbPhy->pProperty->UsbInterfaceType ==
NvOdmUsbInterfaceType_UlpiNullPhy) ||
( pUsbPhy->pProperty->UsbInterfaceType ==
NvOdmUsbInterfaceType_UlpiExternalPhy))
{
if (NvRmSetModuleTristate(
pUsbPhy->hRmDevice,
NVRM_MODULE_ID(NvRmModuleID_Usb2Otg, pUsbPhy->Instance),
NV_FALSE) != NvSuccess )
return NvError_NotSupported;
}
// Register with Power Manager
NV_CHECK_ERROR_CLEANUP(
NvOsSemaphoreCreate(&pUsbPhy->hPwrEventSem, 0));
pUsbPhy->RmPowerClientId = NVRM_POWER_CLIENT_TAG('U','S','B','p');
NV_CHECK_ERROR_CLEANUP(
NvRmPowerRegister(pUsbPhy->hRmDevice,
pUsbPhy->hPwrEventSem, &pUsbPhy->RmPowerClientId));
// Open the H/W interface
UsbPhyOpenHwInterface(pUsbPhy);
// Initialize the USB Phy
NV_CHECK_ERROR_CLEANUP(UsbPhyInitialize(pUsbPhy));
}
else
{
pUsbPhy->RefCount++;
}
*hUsbPhy = pUsbPhy;
NvOsMutexUnlock(s_UsbPhyMutex);
return NvSuccess;
fail:
NvDdkUsbPhyClose(pUsbPhy);
NvOsMutexUnlock(s_UsbPhyMutex);
return e;
}
