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/*
* Copyright (c) 2009 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#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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