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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.
*
*/
#define NV_IDL_IS_DISPATCH
#include "nvcommon.h"
#include "nvos.h"
#include "nvassert.h"
#include "nvreftrack.h"
#include "nvidlcmd.h"
#include "nvrm_i2c.h"
#define OFFSET( s, e ) (NvU32)(void *)(&(((s*)0)->e))
typedef struct NvRmI2cTransaction_in_t
{
NvU32 package_;
NvU32 function_;
NvRmI2cHandle hI2c;
NvU32 I2cPinMap;
NvU32 WaitTimeoutInMilliSeconds;
NvU32 ClockSpeedKHz;
NvU8 * Data;
NvU32 DataLen;
NvRmI2cTransactionInfo * Transaction;
NvU32 NumOfTransactions;
} NV_ALIGN(4) NvRmI2cTransaction_in;
typedef struct NvRmI2cTransaction_inout_t
{
NvU32 dummy_;
} NV_ALIGN(4) NvRmI2cTransaction_inout;
typedef struct NvRmI2cTransaction_out_t
{
NvError ret_;
} NV_ALIGN(4) NvRmI2cTransaction_out;
typedef struct NvRmI2cTransaction_params_t
{
NvRmI2cTransaction_in in;
NvRmI2cTransaction_inout inout;
NvRmI2cTransaction_out out;
} NvRmI2cTransaction_params;
typedef struct NvRmI2cClose_in_t
{
NvU32 package_;
NvU32 function_;
NvRmI2cHandle hI2c;
} NV_ALIGN(4) NvRmI2cClose_in;
typedef struct NvRmI2cClose_inout_t
{
NvU32 dummy_;
} NV_ALIGN(4) NvRmI2cClose_inout;
typedef struct NvRmI2cClose_out_t
{
NvU32 dummy_;
} NV_ALIGN(4) NvRmI2cClose_out;
typedef struct NvRmI2cClose_params_t
{
NvRmI2cClose_in in;
NvRmI2cClose_inout inout;
NvRmI2cClose_out out;
} NvRmI2cClose_params;
typedef struct NvRmI2cOpen_in_t
{
NvU32 package_;
NvU32 function_;
NvRmDeviceHandle hDevice;
NvU32 IoModule;
NvU32 instance;
} NV_ALIGN(4) NvRmI2cOpen_in;
typedef struct NvRmI2cOpen_inout_t
{
NvU32 dummy_;
} NV_ALIGN(4) NvRmI2cOpen_inout;
typedef struct NvRmI2cOpen_out_t
{
NvError ret_;
NvRmI2cHandle phI2c;
} NV_ALIGN(4) NvRmI2cOpen_out;
typedef struct NvRmI2cOpen_params_t
{
NvRmI2cOpen_in in;
NvRmI2cOpen_inout inout;
NvRmI2cOpen_out out;
} NvRmI2cOpen_params;
static NvError NvRmI2cTransaction_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
{
NvError err_ = NvSuccess;
NvRmI2cTransaction_in *p_in;
NvRmI2cTransaction_out *p_out;
NvU8 *Data = NULL;
NvRmI2cTransactionInfo *Transaction = NULL;
p_in = (NvRmI2cTransaction_in *)InBuffer;
p_out = (NvRmI2cTransaction_out *)((NvU8 *)OutBuffer + OFFSET(NvRmI2cTransaction_params, out) - OFFSET(NvRmI2cTransaction_params, inout));
if( p_in->DataLen && p_in->Data )
{
Data = (NvU8 *)NvOsAlloc( p_in->DataLen * sizeof( NvU8 ) );
if( !Data )
{
err_ = NvError_InsufficientMemory;
goto clean;
}
if( p_in->Data )
{
err_ = NvOsCopyIn( Data, p_in->Data, p_in->DataLen * sizeof( NvU8 ) );
if( err_ != NvSuccess )
{
err_ = NvError_BadParameter;
goto clean;
}
}
}
if( p_in->NumOfTransactions && p_in->Transaction )
{
Transaction = (NvRmI2cTransactionInfo *)NvOsAlloc( p_in->NumOfTransactions * sizeof( NvRmI2cTransactionInfo ) );
if( !Transaction )
{
err_ = NvError_InsufficientMemory;
goto clean;
}
if( p_in->Transaction )
{
err_ = NvOsCopyIn( Transaction, p_in->Transaction, p_in->NumOfTransactions * sizeof( NvRmI2cTransactionInfo ) );
if( err_ != NvSuccess )
{
err_ = NvError_BadParameter;
goto clean;
}
}
}
p_out->ret_ = NvRmI2cTransaction( p_in->hI2c, p_in->I2cPinMap, p_in->WaitTimeoutInMilliSeconds, p_in->ClockSpeedKHz, Data, p_in->DataLen, Transaction, p_in->NumOfTransactions );
if(p_in->Data && Data)
{
err_ = NvOsCopyOut( p_in->Data, Data, p_in->DataLen * sizeof( NvU8 ) );
if( err_ != NvSuccess )
{
err_ = NvError_BadParameter;
}
}
clean:
NvOsFree( Data );
NvOsFree( Transaction );
return err_;
}
static NvError NvRmI2cClose_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
{
NvError err_ = NvSuccess;
NvRmI2cClose_in *p_in;
p_in = (NvRmI2cClose_in *)InBuffer;
NvRmI2cClose( p_in->hI2c );
return err_;
}
static NvError NvRmI2cOpen_dispatch_( void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
{
NvError err_ = NvSuccess;
NvRmI2cOpen_in *p_in;
NvRmI2cOpen_out *p_out;
p_in = (NvRmI2cOpen_in *)InBuffer;
p_out = (NvRmI2cOpen_out *)((NvU8 *)OutBuffer + OFFSET(NvRmI2cOpen_params, out) - OFFSET(NvRmI2cOpen_params, inout));
p_out->ret_ = NvRmI2cOpen( p_in->hDevice, p_in->IoModule, p_in->instance, &p_out->phI2c );
return err_;
}
NvError nvrm_i2c_Dispatch( NvU32 function, void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx );
NvError nvrm_i2c_Dispatch( NvU32 function, void *InBuffer, NvU32 InSize, void *OutBuffer, NvU32 OutSize, NvDispatchCtx* Ctx )
{
NvError err_ = NvSuccess;
switch( function ) {
case 2:
err_ = NvRmI2cTransaction_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
break;
case 1:
err_ = NvRmI2cClose_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
break;
case 0:
err_ = NvRmI2cOpen_dispatch_( InBuffer, InSize, OutBuffer, OutSize, Ctx );
break;
default:
err_ = NvError_BadParameter;
break;
}
return err_;
}
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