NvBool
Pcf50626SetVoltage(
NvOdmPmuDeviceHandle hDevice,
NvU32 vddRail,
NvU32 MilliVolts,
NvU32* pSettleMicroSeconds)
{
NvU8 data = 0;
NV_ASSERT(hDevice);
NV_ASSERT(vddRail < PCF50626PmuSupply_Num);
if (pcf50626SupplyInfoTable[vddRail].cap.OdmProtected == NV_TRUE)
{
NVODMPMU_PRINTF(("[NVODM PMU] Pcf50626SetVoltage Warning: The voltage is protected and can not be set: %d.\n", vddRail));
return NV_TRUE;
}
if ((MilliVolts == ODM_VOLTAGE_OFF) ||
((MilliVolts <= pcf50626SupplyInfoTable[vddRail].cap.MaxMilliVolts)
&& (MilliVolts >= pcf50626SupplyInfoTable[vddRail].cap.MinMilliVolts)))
{
if (! Pcf50626WriteVoltageReg(hDevice, vddRail, MilliVolts, pSettleMicroSeconds))
return NV_FALSE;
}
else
{
NVODMPMU_PRINTF(("[NVODM OPMU] Pcf50626SetVoltage Error: The required voltage is not supported..\n"));
return NV_FALSE;
}
if (vddRail == PCF50626PmuSupply_DCUD)
{
// VBUs rail is enabled bydefault, so no need to enable set voltage.
// "Millivolts" field is used as Enable or disable VBUS GPIO
if (MilliVolts == ODM_VOLTAGE_OFF)
{
data = 0x7; // all bits to low fixed 0
}
else
{
data = 0x0; // default reset value high impedence state
}
if (!Pcf50626I2cWrite8(hDevice,PCF50626_GPIO5C1_ADDR, data))
return NV_FALSE;
}
return NV_TRUE;
}
NvBool
Pcf50626RtcAlarmIntEnable(
NvOdmPmuDeviceHandle hDevice,
NvBool Enable)
{
NvBool Status = NV_FALSE;
NvU8 Mask;
if ((Status = Pcf50626I2cRead8(hDevice, PCF50626_INT1M_ADDR, &Mask)) == NV_TRUE)
{
(Mask = Enable? (Mask & ~0x8):(Mask|0x8));
Status = Pcf50626I2cWrite8 (hDevice, PCF50626_INT1M_ADDR, Mask);
}
return Status;
}
static NvBool
Pcf50626AdcIn1Read(NvOdmPmuDeviceHandle hDevice, NvU32 *volt)
{
NvU32 timeout = 0;
NvU8 dataS1 = 0;
NvU8 dataS3 = 0;
NV_ASSERT(hDevice);
NV_ASSERT(volt);
// Turn off GPIO7
if(! Pcf50626I2cWrite8(hDevice, PCF50626_GPIO7C1_ADDR, 0x0))
return NV_FALSE;
//ADCC3 - Division sel
if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC3_ADDR, PCF50626_ADCC3_RESET))
return NV_FALSE;
//ADCC1 - Resolustion, Mux Sel, Avg sel
if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC1_ADDR, 0x0C))
return NV_FALSE;
// Start Converstion
if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC1_ADDR, 0x0D))
return NV_FALSE;
// Wait for conversion
NvOdmOsWaitUS(ADC_CONVERSION_DELAY_USEC);
// make sure the conversion is completed, or timeout.
while (timeout < ADC_CONVERSION_TIMEOUT_USEC)
{
if(! Pcf50626I2cRead8(hDevice, PCF50626_ADCS3_ADDR, &dataS3))
return NV_FALSE;
if (dataS3 & 0x80)
break;
NvOdmOsWaitUS(ADC_CONVERSION_DELAY_USEC);
timeout += ADC_CONVERSION_DELAY_USEC;
}
if (timeout >= ADC_CONVERSION_TIMEOUT_USEC)
{
NVODMPMU_PRINTF(("ADC conversion timeout.\n"));
return NV_FALSE;
}
// read the conversion result
if (!Pcf50626I2cRead8(hDevice, PCF50626_ADCS1_ADDR, &dataS1))
return NV_FALSE;
// Get result
*volt = (((NvU32)((dataS1 << 2) | (dataS3 & 0x03))) *
ADC_CONVERSION_VOLTAGE_RANGE * ADC_CONVERSION_DIVIDOR)
>> ADC_CONVERSION_PRECISION;
return NV_TRUE;
}
