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////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2006-2012 MStar Semiconductor, Inc.
// All rights reserved.
//
// Unless otherwise stipulated in writing, any and all information contained
// herein regardless in any format shall remain the sole proprietary of
// MStar Semiconductor Inc. and be kept in strict confidence
// (??MStar Confidential Information??) by the recipient.
// Any unauthorized act including without limitation unauthorized disclosure,
// copying, use, reproduction, sale, distribution, modification, disassembling,
// reverse engineering and compiling of the contents of MStar Confidential
// Information is unlawful and strictly prohibited. MStar hereby reserves the
// rights to any and all damages, losses, costs and expenses resulting therefrom.
//
////////////////////////////////////////////////////////////////////////////////
/**
*
* @file mstar_drv_jni_interface.c
*
* @brief This file defines the jni interface functions
*
*
*/
////////////////////////////////////////////////////////////
/// Included Files
////////////////////////////////////////////////////////////
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kthread.h>
#include <asm/uaccess.h>
#include "mstar_drv_jni_interface.h"
#include "mstar_drv_utility_adaption.h"
#include "mstar_drv_platform_porting_layer.h"
#ifdef CONFIG_ENABLE_JNI_INTERFACE
////////////////////////////////////////////////////////////
/// EXTERN VARIABLE DECLARATION
////////////////////////////////////////////////////////////
extern u32 SLAVE_I2C_ID_DBBUS;
extern u32 SLAVE_I2C_ID_DWI2C;
extern u8 g_IsHotknotEnabled;
extern u8 g_IsBypassHotknot;
extern u8 g_IsHotknotAlive;
////////////////////////////////////////////////////////////
/// LOCAL VARIABLE DEFINITION
////////////////////////////////////////////////////////////
static MsgToolDrvCmd_t * _gMsgToolCmdIn;
static u8 * _gSndCmdData;
static u8 * _gRtnCmdData;
void _DebugJniShowArray(u8 *pBuf, u16 nLen)
{
int i;
for(i=0; i < nLen; i++)
{
DBG("%02X ", pBuf[i]);
if(i%16==15){
DBG("\n");
}
}
DBG("\n");
}
u64 PtrToU64(u8 * pValue)
{
uintptr_t nValue = (uintptr_t)pValue;
return (u64)(0xFFFFFFFFFFFFFFFF&nValue);
}
u8 * U64ToPtr(u64 nValue)
{
uintptr_t pValue = (uintptr_t)nValue;
return (u8 *)pValue;
}
ssize_t MsgToolRead(struct file *pFile, char __user *pBuffer, size_t nCount, loff_t *pPos)
{
long nRet = 0;
u8 nBusType = 0;
u16 nReadLen = 0;
u8 szCmdData[20] = {0};
DBG("*** %s() ***\n", __func__);
//DBG("*** nCount = %d ***\n", (int)nCount);
nBusType = nCount&0xFF;
nReadLen = (nCount >> 8)&0xFFFF;
if(nBusType == SLAVE_I2C_ID_DBBUS || nBusType == SLAVE_I2C_ID_DWI2C)
{
IicReadData(nBusType, &szCmdData[0], nReadLen);
}
nRet = copy_to_user(pBuffer, &szCmdData[0], nReadLen);
return nRet;
}
ssize_t MsgToolWrite(struct file *pFile, const char __user *pBuffer, size_t nCount, loff_t *pPos)
{
long nRet = 0;
u8 nBusType = 0;
u16 nWriteLen = 0;
u8 szCmdData[20] = {0};
DBG("*** %s() ***\n", __func__);
//DBG("*** nCount = %d ***\n", (int)nCount);
nBusType = nCount&0xFF;
nWriteLen = (nCount >> 8)&0xFFFF;
nRet = copy_from_user(szCmdData, &pBuffer[0], nWriteLen);
if(nBusType == SLAVE_I2C_ID_DBBUS || nBusType == SLAVE_I2C_ID_DWI2C)
{
IicWriteData(nBusType, &szCmdData[0], nWriteLen);
}
return nRet;
}
void _RegGetXByteData(MsgToolDrvCmd_t * pCmd)
{
u16 nAddr = 0;
DBG("*** %s() ***\n", __func__);
nAddr = (_gSndCmdData[1]<<8)|_gSndCmdData[0];
RegGetXBitValue(nAddr, _gRtnCmdData, pCmd->nRtnCmdLen, MAX_I2C_TRANSACTION_LENGTH_LIMIT);
//_DebugJniShowArray(_gRtnCmdData, pCmd->nRtnCmdLen);
}
void _ClearMsgToolMem(void)
{
DBG("*** %s() ***\n", __func__);
memset(_gMsgToolCmdIn, 0, sizeof( MsgToolDrvCmd_t ));
memset(_gSndCmdData, 0, 1024);
memset(_gRtnCmdData, 0, 1024);
}
static MsgToolDrvCmd_t* _TransCmdFromUser( unsigned long nArg )
{
long nRet;
MsgToolDrvCmd_t tCmdIn;
MsgToolDrvCmd_t *pTransCmd;
DBG("*** %s() ***\n", __func__);
_ClearMsgToolMem();
pTransCmd = (MsgToolDrvCmd_t *)_gMsgToolCmdIn;
nRet = copy_from_user( &tCmdIn, (void*)nArg, sizeof( MsgToolDrvCmd_t ) );
pTransCmd->nCmdId = tCmdIn.nCmdId;
//_DebugJniShowArray(&tCmdIn, sizeof( MsgToolDrvCmd_t));
if(tCmdIn.nSndCmdLen > 0)
{
pTransCmd->nSndCmdLen = tCmdIn.nSndCmdLen;
nRet = copy_from_user( _gSndCmdData, U64ToPtr(tCmdIn.nSndCmdDataPtr), pTransCmd->nSndCmdLen );
}
if(tCmdIn.nRtnCmdLen > 0)
{
pTransCmd->nRtnCmdLen = tCmdIn.nRtnCmdLen;
nRet = copy_from_user( _gRtnCmdData, U64ToPtr(tCmdIn.nRtnCmdDataPtr), pTransCmd->nRtnCmdLen );
}
return pTransCmd;
}
static void _TransCmdToUser( MsgToolDrvCmd_t *pTransCmd, unsigned long nArg )
{
MsgToolDrvCmd_t tCmdOut;
long nRet;
DBG("*** %s() ***\n", __func__);
nRet = copy_from_user( &tCmdOut, (void*)nArg, sizeof( MsgToolDrvCmd_t ) );
//_DebugJniShowArray(&tCmdOut, sizeof( MsgToolDrvCmd_t));
nRet = copy_to_user( U64ToPtr(tCmdOut.nRtnCmdDataPtr), _gRtnCmdData, tCmdOut.nRtnCmdLen);
}
long MsgToolIoctl( struct file *pFile, unsigned int nCmd, unsigned long nArg )
{
long nRet = 0;
DBG("*** %s() ***\n", __func__);
switch ( nCmd )
{
case MSGTOOL_IOCTL_RUN_CMD:
{
MsgToolDrvCmd_t *pTransCmd;
pTransCmd = _TransCmdFromUser( nArg );
switch (pTransCmd->nCmdId)
{
case MSGTOOL_RESETHW:
DrvPlatformLyrTouchDeviceResetHw();
break;
case MSGTOOL_REGGETXBYTEVALUE:
_RegGetXByteData(pTransCmd);
_TransCmdToUser(pTransCmd, nArg);
break;
case MSGTOOL_HOTKNOTSTATUS:
_gRtnCmdData[0] = g_IsHotknotEnabled;
_TransCmdToUser(pTransCmd, nArg);
break;
case MSGTOOL_FINGERTOUCH:
if(pTransCmd->nSndCmdLen == 1)
{
DBG("*** JNI enable touch ***\n");
DrvPlatformLyrEnableFingerTouchReport();
}
else if(pTransCmd->nSndCmdLen == 0)
{
DBG("*** JNI disable touch ***\n");
DrvPlatformLyrDisableFingerTouchReport();
}
break;
case MSGTOOL_BYPASSHOTKNOT:
if(pTransCmd->nSndCmdLen == 1)
{
DBG("*** JNI enable bypass hotknot ***\n");
g_IsBypassHotknot = 1;
while(g_IsHotknotAlive == 1)
{
//DBG("*** JNI hotknot is alive ***\n");
mdelay(1);
}
DBG("*** JNI hotknot is paused ***\n");
}
else if(pTransCmd->nSndCmdLen == 0)
{
DBG("*** JNI disable bypass hotknot ***\n");
g_IsBypassHotknot = 0;
}
break;
case MSGTOOL_DEVICEPOWEROFF:
DrvPlatformLyrTouchDevicePowerOff();
break;
default:
break;
}
}
break;
default:
nRet = -EINVAL;
break;
}
return nRet;
}
void CreateMsgToolMem(void)
{
DBG("*** %s() ***\n", __func__);
_gMsgToolCmdIn = (MsgToolDrvCmd_t*)kmalloc( sizeof( MsgToolDrvCmd_t ), GFP_KERNEL );
_gSndCmdData = (u8*)kmalloc(1024, GFP_KERNEL );
_gRtnCmdData = (u8*)kmalloc(1024, GFP_KERNEL );
}
void DeleteMsgToolMem(void)
{
DBG("*** %s() ***\n", __func__);
kfree(_gMsgToolCmdIn);
kfree(_gSndCmdData);
kfree(_gRtnCmdData);
}
#endif //CONFIG_ENABLE_JNI_INTERFACE
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