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/*
* Copyright (c) 2007-2009 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.
*
*/
/**
* @file nvodm_uart.c
* @brief <b>Adaptation for uart </b>
*
* @Description : Implementation of the uart adaptation.
*/
#include "nvodm_uart.h"
#include "nvodm_services.h"
#include "nvodm_query_discovery.h"
#include "nvodm_services.h"
#include "nvos.h"
#include "nvodm_pmu.h"
#ifdef NV_DRIVER_DEBUG
#define NV_DRIVER_TRACE NvOsDebugPrintf
#else
#define NV_DRIVER_TRACE (void)
#endif
typedef struct NvOdmUartRec
{
// NvODM PMU device handle
NvOdmServicesPmuHandle hPmu;
// Gpio Handle
NvOdmServicesGpioHandle hGpio;
// Pin handle to Bluetooth Reset Gpio pin
NvOdmGpioPinHandle hResetPin;
NvOdmPeripheralConnectivity *pConnectivity;
} NvOdmUart;
NvOdmUartHandle NvOdmUartOpen(NvU32 Instance)
{
NvOdmUart *pDevice = NULL;
NvOdmPeripheralConnectivity *pConnectivity;
NvU32 NumOfGuids = 1;
NvU64 guid;
NvU32 searchVals[2];
const NvOdmPeripheralSearch searchAttrs[] =
{
NvOdmPeripheralSearch_IoModule,
NvOdmPeripheralSearch_Instance,
};
searchVals[0] = NvOdmIoModule_Uart;
searchVals[1] = Instance;
NumOfGuids = NvOdmPeripheralEnumerate(
searchAttrs,
searchVals,
2,
&guid,
NumOfGuids);
pConnectivity = (NvOdmPeripheralConnectivity *)NvOdmPeripheralGetGuid(guid);
if (pConnectivity == NULL)
goto ExitUartOdm;
pDevice = NvOdmOsAlloc(sizeof(NvOdmUart));
if(pDevice == NULL)
goto ExitUartOdm;
pDevice->hPmu = NvOdmServicesPmuOpen();
if(pDevice->hPmu == NULL)
{
goto ExitUartOdm;
}
// Switch On UART Interface
pDevice->pConnectivity = pConnectivity;
return pDevice;
ExitUartOdm:
NvOdmOsFree(pDevice);
pDevice = NULL;
return NULL;
}
void NvOdmUartClose(NvOdmUartHandle hOdmUart)
{
if (hOdmUart)
{
// Switch OFF UART Interface
if (hOdmUart->hPmu != NULL)
{
NvOdmServicesPmuClose(hOdmUart->hPmu);
}
NvOdmOsFree(hOdmUart);
hOdmUart = NULL;
}
}
NvBool NvOdmUartSuspend(NvOdmUartHandle hOdmUart)
{
return NV_FALSE;
}
NvBool NvOdmUartResume(NvOdmUartHandle hOdmUart)
{
return NV_FALSE;
}
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