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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 "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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