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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 "nvodm_pmu_tps6586x_i2c.h"
#include "nvodm_pmu_tps6586x_batterycharger.h"
NvBool Tps6586xBatteryChargerSetup(NvOdmPmuDeviceHandle hDevice)
{
NvU32 data = 0;
// Configure CHARGER RAM registers
// CHG1: Charge safety timer value is 4 Hrs; Charge current scaling facotr: 1.0;
data = 0x0c;
if (!Tps6586xI2cWrite8(hDevice, TPS6586x_R49_CHG1, data))
return NV_FALSE;
// CHG2: CHARGE SAFETY TIMER: ON; CHARGE VOLTAGE: 4.2V; CHARGER: ON;
data = 0x1a;
if (!Tps6586xI2cWrite8(hDevice, TPS6586x_R4A_CHG2, data))
return NV_FALSE;
// CHG3:
data = 0x0;
if (!Tps6586xI2cWrite8(hDevice, TPS6586x_R4B_CHG3, data))
return NV_FALSE;
// RAM Control BITS: CHARGE VOLTAGE RANGE: 3.95 - 4.2; USB Input current limit: 500mA;
// Auto mode enabled; AC input current limit: 2A
data = 0x05;
if (!Tps6586xI2cWrite8(hDevice, TPS6586x_R4C_PPATH2, data))
return NV_FALSE;
return NV_TRUE;
}
/* check CBC main batt presence */
NvBool
Tps6586xBatteryChargerCBCMainBatt(NvOdmPmuDeviceHandle hDevice, NvBool *status)
{
NvU32 data = 0;
if (!Tps6586xI2cRead8(hDevice, TPS6586x_RB9_STAT1, &data))
return NV_FALSE;
// bit 0 show if battery exists or not
data = data & 0x01;
*status = (data == 0 ? NV_FALSE : NV_TRUE );
return NV_TRUE;
}
/* check batt_ful status */
NvBool
Tps6586xBatteryChargerCBCBattFul(NvOdmPmuDeviceHandle hDevice, NvBool *status)
{
NvU32 data = 0;
if(! Tps6586xI2cRead8(hDevice, TPS6586x_RBA_STAT2, &data))
return NV_FALSE;
data = data & 0x2;
*status = (data == 0 ? NV_FALSE : NV_TRUE );
return NV_TRUE;
}
/* check main charger status */
NvBool
Tps6586xBatteryChargerMainChgPresent(NvOdmPmuDeviceHandle hDevice, NvBool *status)
{
NvU32 data = 0;
if(! Tps6586xI2cRead8(hDevice, TPS6586x_RBB_STAT3, &data))
return NV_FALSE;
data = data & 0xc;
*status = (data == 0 ? NV_FALSE : NV_TRUE );
return NV_TRUE;
}
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