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/*
* Copyright (c) 2010 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 "nvcommon.h"
#include "nvodm_battery.h"
#include "nvrm_gpio.h"
#include "nvodm_query_discovery.h"
#include "nvodm_query_gpio.h"
#include "nvos.h"
typedef struct NvOdmBatteryDeviceRec
{
NvRmGpioPinHandle hPin;
NvU32 PinCount;
NvRmDeviceHandle hRm;
NvRmGpioHandle hGpio;
NvBool bBattPresent;
NvBool bBattFull;
const NvOdmGpioPinInfo *pGpioPinInfo;
} NvOdmBatteryDevice;
/**
* Gets the battery event.
*
* @param hDevice A handle to the EC.
* @param pBatteryEvent Battery events
*
*/
void NvOdmBatteryGetEvent(
NvOdmBatteryDeviceHandle hDevice,
NvU8 *pBatteryEvent)
{
NvOdmBatteryDevice *pBattContext = NULL;
pBattContext = (NvOdmBatteryDevice *)hDevice;
*pBatteryEvent = 0;
}
NvBool NvOdmBatteryDeviceOpen(NvOdmBatteryDeviceHandle *hDevice,
NvOdmOsSemaphoreHandle *hOdmSemaphore)
{
NvOdmBatteryDevice *pBattContext = NULL;
NvU32 i;
NvError NvStatus = NvError_Success;
NvU32 PinState;
pBattContext = NvOdmOsAlloc(sizeof(NvOdmBatteryDevice));
if (!pBattContext)
{
NvOsDebugPrintf(("NvOdmOsAlloc failed to allocate pBattContext."));
return NV_FALSE;
}
NvOdmOsMemset(pBattContext, 0, sizeof(NvOdmBatteryDevice));
NvStatus = NvRmOpen(&pBattContext->hRm, 0);
if (NvStatus != NvError_Success)
goto Cleanup;
NvStatus = NvRmGpioOpen(pBattContext->hRm, &pBattContext->hGpio);
if (NvStatus != NvError_Success)
goto Cleanup;
pBattContext->pGpioPinInfo = NvOdmQueryGpioPinMap(
NvOdmGpioPinGroup_Battery,
0,
&pBattContext->PinCount);
if (pBattContext->pGpioPinInfo == NULL)
{
goto Cleanup;
}
for (i = 0; i < pBattContext->PinCount; i++ )
{
/*Need the pin 1 to be set to Output for charging of the battery. */
if (i == 1)
{
NvRmGpioAcquirePinHandle(
pBattContext->hGpio,
pBattContext->pGpioPinInfo[i].Port,
pBattContext->pGpioPinInfo[i].Pin,
&pBattContext->hPin);
if (!pBattContext->hPin)
{
goto Cleanup;
}
NvRmGpioConfigPins(pBattContext->hGpio, &pBattContext->hPin, 1, NvRmGpioPinMode_Output);
PinState = NvRmGpioPinState_Low;
NvRmGpioWritePins(pBattContext->hGpio, &pBattContext->hPin, &PinState,1);
}
}
*hDevice = pBattContext;
return NV_TRUE;
Cleanup:
NvOdmBatteryDeviceClose(pBattContext);
return NV_FALSE;
}
void NvOdmBatteryDeviceClose(NvOdmBatteryDeviceHandle hDevice)
{
NvOdmBatteryDevice *pBattContext = NULL;
pBattContext = (NvOdmBatteryDevice *)hDevice;
if (pBattContext->hGpio)
{
NvRmGpioReleasePinHandles(pBattContext->hGpio, &pBattContext->hPin,
pBattContext->PinCount);
NvRmGpioClose(pBattContext->hGpio);
}
if (pBattContext->hRm)
{
NvRmClose(pBattContext->hRm);
pBattContext->hRm = NULL;
}
if (pBattContext)
NvOdmOsFree(pBattContext);
}
/**
* Gets the AC line status.
*
* @param hDevice A handle to the EC.
* @param pStatus A pointer to the AC line
* status returned by the ODM.
*
* @return NV_TRUE if successful, or NV_FALSE otherwise.
*/
NvBool NvOdmBatteryGetAcLineStatus(
NvOdmBatteryDeviceHandle hDevice,
NvOdmBatteryAcLineStatus *pStatus)
{
*pStatus = NvOdmBatteryAcLine_Offline;
return NV_FALSE;
}
/**
* Gets the battery status.
*
* @param hDevice A handle to the EC.
* @param batteryInst The battery type.
* @param pStatus A pointer to the battery
* status returned by the ODM.
*
* @return NV_TRUE if successful, or NV_FALSE otherwise.
*/
NvBool NvOdmBatteryGetBatteryStatus(
NvOdmBatteryDeviceHandle hDevice,
NvOdmBatteryInstance batteryInst,
NvU8 *pStatus)
{
*pStatus = NVODM_BATTERY_STATUS_UNKNOWN;
return NV_FALSE;
}
/**
* Gets the battery data.
*
* @param hDevice A handle to the EC.
* @param batteryInst The battery type.
* @param pData A pointer to the battery
* data returned by the ODM.
*
* @return NV_TRUE if successful, or NV_FALSE otherwise.
*/
NvBool NvOdmBatteryGetBatteryData(
NvOdmBatteryDeviceHandle hDevice,
NvOdmBatteryInstance batteryInst,
NvOdmBatteryData *pData)
{
NvOdmBatteryData BatteryData;
BatteryData.BatteryAverageCurrent = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryAverageInterval = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryCurrent = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryLifePercent = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryLifeTime = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryMahConsumed = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryTemperature = NVODM_BATTERY_DATA_UNKNOWN;
BatteryData.BatteryVoltage = NVODM_BATTERY_DATA_UNKNOWN;
*pData = BatteryData;
return NV_FALSE;
}
/**
* Gets the battery full life time.
*
* @param hDevice A handle to the EC.
* @param batteryInst The battery type.
* @param pLifeTime A pointer to the battery
* full life time returned by the ODM.
*
*/
void NvOdmBatteryGetBatteryFullLifeTime(
NvOdmBatteryDeviceHandle hDevice,
NvOdmBatteryInstance batteryInst,
NvU32 *pLifeTime)
{
*pLifeTime = NVODM_BATTERY_DATA_UNKNOWN;
}
/**
* Gets the battery chemistry.
*
* @param hDevice A handle to the EC.
* @param batteryInst The battery type.
* @param pChemistry A pointer to the battery
* chemistry returned by the ODM.
*
*/
void NvOdmBatteryGetBatteryChemistry(
NvOdmBatteryDeviceHandle hDevice,
NvOdmBatteryInstance batteryInst,
NvOdmBatteryChemistry *pChemistry)
{
*pChemistry = NVODM_BATTERY_DATA_UNKNOWN;
}
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