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/*
* Copyright (c) 2009 NVIDIA Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the NVIDIA Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "pcf50626_batterycharger.h"
#include "pcf50626_adc.h"
#include "pcf50626_i2c.h"
#include "pcf50626_reg.h"
#include "ds2482_bridge.h"
#include "ds2482_i2c.h"
#include "nvodm_query_discovery.h"
#include "nvodm_query.h"
// implementations of platform related functions.
#define OWI2CGUID NV_ODM_GUID('o','w','i','2','c','_','d','s')
#define BATTERYGUID NV_ODM_GUID('b','a','t','t','_','m','o','t')
static NvBool ds2482Presented = NV_FALSE;
/* Initliase all registers that related to battery charger */
NvBool
Pcf50626BatteryChargerSetup(NvOdmPmuDeviceHandle hDevice)
{
NvOdmIoModule I2cModule = NvOdmIoModule_I2c;
NvU32 I2cInstance = 0;
NvU32 I2cAddress = 0;
const NvOdmPeripheralConnectivity *pConnectivity =
NvOdmPeripheralGetGuid(OWI2CGUID);
NV_ASSERT(hDevice);
if (pConnectivity != NULL) // OwI2c device is in database
{
NvU32 i = 0;
for (i = 0; i < pConnectivity->NumAddress; i ++)
{
if (pConnectivity->AddressList[i].Interface == NvOdmIoModule_I2c_Pmu)
{
I2cModule = NvOdmIoModule_I2c_Pmu;
I2cInstance = pConnectivity->AddressList[i].Instance;
I2cAddress = pConnectivity->AddressList[i].Address;
break;
}
}
ds2482Presented = NV_TRUE;
}
else
{
ds2482Presented = NV_FALSE;
}
if (ds2482Presented == NV_TRUE)
{
// init GPIO8
if (!Pcf50626I2cWrite8(hDevice, PCF50626_GPIO8C1_ADDR, 0x0))
return NV_FALSE;
NvOdmOsWaitUS(50000);
if (!Ds2482Setup(hDevice))
return NV_FALSE;
return NV_TRUE;
}
//TODO: add battery charger setup implementation here, base on HW.
// by default, simply return TRUE if nothing needed.
return NV_TRUE;
}
/* check CBC main batt presence */
NvBool
Pcf50626BatteryChargerCBCMainBatt(NvOdmPmuDeviceHandle hDevice, NvBool *status)
{
const NvOdmPeripheralConnectivity *pConnectivity =
NvOdmPeripheralGetGuid(BATTERYGUID);
NV_ASSERT(hDevice);
if (pConnectivity != NULL) // battery is in database
{
///TODO: retrieve data from the database;
//Nothing needed on Concorde for now
}
if (ds2482Presented == NV_TRUE)
{
if (!Ds2482BatteryPresented(hDevice, status))
return NV_FALSE;
}
else
{
//TODO: add battery detection impelentation here. by default always return TRUE.
*status = NV_TRUE;
}
return NV_TRUE;
}
/* Calculate the battery temperature */
NvU32 Pcf50626BatteryTemperature(NvU32 VBatSense, NvU32 VBatTemp)
{
//TODO: implement the temperature algorithm based on the reading of Vbat sense and VBat temp.
// Pending approval.
return 0;
}
NvBool
Ds2482BatteryPresented(NvOdmPmuDeviceHandle hDevice, NvBool *BattPresence)
{
///TODO: detect battery via ds2482 based on the battery spec.
///Pending approval
return NV_TRUE;
}
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