static void FactoryBusyHint(void)
{
/* Fix battery calibration by bumping min freq to 250 MHz in the factory. */
NvRmDfsBusyHint pFactoryHintOn[] =
{
{ NvRmDfsClockId_Cpu, NV_WAIT_INFINITE, 250000, NV_TRUE }
};
NvU32 PowerClientId = NVRM_POWER_CLIENT_TAG('F','a','c','t');
if(NvRmPowerRegister(s_hRmGlobal, 0, &PowerClientId) != NvSuccess) {
printk(KERN_ERR "%s: failed to register\n", __func__);
return;
}
if(NvRmPowerBusyHintMulti(s_hRmGlobal,
PowerClientId,
pFactoryHintOn,
1, /*number of hints*/
NvRmDfsBusyHintSyncMode_Async) != NvSuccess) {
printk(KERN_ERR "%s: Busy Hint failed\n", __func__);
}
return;
}
NvError
NvRmPowerBusyHint (
NvRmDeviceHandle hRmDeviceHandle,
NvRmDfsClockId ClockId,
NvU32 ClientId,
NvU32 BoostDurationMs,
NvRmFreqKHz BoostKHz)
{
NvRmDfsBusyHint BusyHint;
// Pack hint record
BusyHint.ClockId = ClockId;
BusyHint.BoostKHz = BoostKHz;
BusyHint.BoostDurationMs = BoostDurationMs;
BusyHint.BusyAttribute = NV_FALSE;
return NvRmPowerBusyHintMulti(hRmDeviceHandle, ClientId, &BusyHint, 1,
NvRmDfsBusyHintSyncMode_Async);
}
static NvError
UsbPhyDfsBusyHint(
NvDdkUsbPhyHandle hUsbPhy,
NvBool DfsOn,
NvU32 BoostDurationMs)
{
NvRmDfsBusyHint pUsbHintOn[] =
{
{ NvRmDfsClockId_Emc, NV_WAIT_INFINITE, USB_HW_MIN_SYSTEM_FREQ_KH, NV_TRUE },
{ NvRmDfsClockId_Ahb, NV_WAIT_INFINITE, USB_HW_MIN_SYSTEM_FREQ_KH, NV_TRUE },
{ NvRmDfsClockId_Cpu, NV_WAIT_INFINITE, USB_HW_MIN_CPU_FREQ_KH, NV_TRUE }
};
NvRmDfsBusyHint pUsbHintOff[] =
{
{ NvRmDfsClockId_Emc, 0, 0, NV_TRUE },
{ NvRmDfsClockId_Ahb, 0, 0, NV_TRUE },
{ NvRmDfsClockId_Cpu, 0, 0, NV_TRUE }
};
NvError e = NvSuccess;
NvU32 NumHints;
if (hUsbPhy->IsHostMode)
{
// Do not enable busy hints for cpu clock in host mode
NumHints = NV_ARRAY_SIZE(pUsbHintOn) - 1;
}
else
{
NumHints = NV_ARRAY_SIZE(pUsbHintOn);
}
pUsbHintOn[0].BoostDurationMs = BoostDurationMs;
pUsbHintOn[1].BoostDurationMs = BoostDurationMs;
pUsbHintOn[2].BoostDurationMs = BoostDurationMs;
if (DfsOn)
{
if (hUsbPhy->Caps.PhyRegInController)
{
// Indicate USB controller is active
NvRmFreqKHz PrefFreq = NvRmPowerModuleGetMaxFrequency(
hUsbPhy->hRmDevice,
NVRM_MODULE_ID(NvRmModuleID_Usb2Otg, hUsbPhy->Instance));
NV_CHECK_ERROR_CLEANUP(
NvRmPowerModuleClockConfig(hUsbPhy->hRmDevice,
NVRM_MODULE_ID(NvRmModuleID_Usb2Otg, hUsbPhy->Instance),
hUsbPhy->RmPowerClientId, PrefFreq, PrefFreq, &PrefFreq,
1, NULL, 0));
}
return NvRmPowerBusyHintMulti(hUsbPhy->hRmDevice,
hUsbPhy->RmPowerClientId,
pUsbHintOn,
NumHints,
NvRmDfsBusyHintSyncMode_Async);
}
else
{
if (hUsbPhy->Caps.PhyRegInController)
{
// Indicate USB controller is idle
NvRmFreqKHz PrefFreq = USBC_IDLE_KHZ;
NV_CHECK_ERROR_CLEANUP(
NvRmPowerModuleClockConfig(hUsbPhy->hRmDevice,
NVRM_MODULE_ID(NvRmModuleID_Usb2Otg, hUsbPhy->Instance),
hUsbPhy->RmPowerClientId, PrefFreq, PrefFreq, &PrefFreq,
1, NULL, 0));
}
return NvRmPowerBusyHintMulti(hUsbPhy->hRmDevice,
hUsbPhy->RmPowerClientId,
pUsbHintOff,
NumHints,
NvRmDfsBusyHintSyncMode_Async);
}
fail:
return e;
}
