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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 "max8907b.h"
#include "max8907b_batterycharger.h"
#include "max8907b_reg.h"
#include "max8907b_i2c.h"
NvBool
Max8907bBatteryChargerMainBatt(
NvOdmPmuDeviceHandle hDevice,
NvBool *status)
{
NvU8 data = 0;
if(!Max8907bI2cRead8(hDevice, MAX8907B_CHG_STAT, &data))
return NV_FALSE;
data = (data >> MAX8907B_CHG_STAT_MBDET_SHIFT) & MAX8907B_CHG_STAT_MBDET_MASK;
*status = (data == 0 ? NV_TRUE : NV_FALSE ); // MBDET low (0) = present
return NV_TRUE;
}
NvBool
Max8907bBatteryChargerOK(
NvOdmPmuDeviceHandle hDevice,
NvBool *status)
{
NvU8 data = 0;
if(!Max8907bI2cRead8(hDevice, MAX8907B_CHG_STAT, &data))
return NV_FALSE;
data = (data >> MAX8907B_CHG_STAT_VCHG_OK_SHIFT) & MAX8907B_CHG_STAT_VCHG_OK_MASK;
*status = (data == 0 ? NV_FALSE : NV_TRUE );
return NV_TRUE;
}
NvBool
Max8907bBatteryChargerEnabled(
NvOdmPmuDeviceHandle hDevice,
NvBool *status)
{
NvU8 data = 0;
if(!Max8907bI2cRead8(hDevice, MAX8907B_CHG_STAT, &data))
return NV_FALSE;
data = (data >> MAX8907B_CHG_STAT_CHG_EN_STAT_SHIFT) & MAX8907B_CHG_STAT_CHG_EN_STAT_MASK;
*status = (data == 0 ? NV_FALSE : NV_TRUE );
return NV_TRUE;
}
NvBool
Max8907bBatteryChargerMainBattFull(
NvOdmPmuDeviceHandle hDevice,
NvBool *status)
{
NvU8 data = 0;
if(!Max8907bI2cRead8(hDevice, MAX8907B_CHG_STAT, &data))
return NV_FALSE;
data = (data >> MAX8907B_CHG_STAT_MBATTLOW_SHIFT) & MAX8907B_CHG_STAT_MBATTLOW_MASK;
*status = (data == 0 ? NV_FALSE : NV_TRUE );
return NV_TRUE;
}
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