author | Ryan Harkin <ryan.harkin@nokia.com> |
Tue, 28 Sep 2010 18:00:05 +0100 | |
changeset 0 | 5de814552237 |
permissions | -rw-r--r-- |
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5de814552237
Initial contribution supporting NaviEngine 1
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <drivers/iic.h> |
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#include <drivers/iic_channel.h> |
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#include <assp/naviengine/naviengine_priv.h> |
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#include "csi_psl.h" |
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#include "csi_slave.h" |
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#include "hcrconfig.h" |
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#include "hcrconfig_csi.h" |
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// the timeout period to wait for a response from the client. |
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// We can't predict the frequency, at which the Master will be sending us data, |
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// it can be from 130kHz (which is 16,25bytes/ms) up to 16,67MHz(2083 bytes/ms). |
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// Timeout is set for the slowest transfer - for the time that the 32 bytes Tx FIFO would be emptied |
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// (Rx FIFO filled), so 2ms. |
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const TInt KClientWaitTime = 2; // when debugging might set up to KMaxWaitTime |
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// set of interrupt flags used by the driver |
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const TUint32 KSlaveInterruptFlags = |
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KHtCSIControlSSDnIE | // SS signal negative-edge interrupt enable |
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KHtCSIControlSSUpIE | // SS signal positive-edge interrupt enable |
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KHtCSIControlTEndIE | |
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KHtCSIControlRxTrgEn | |
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KHtCSIControlRxTrgIE; |
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#ifdef __SMP__ |
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static TSpinLock CsiSpinLock = TSpinLock(TSpinLock::EOrderGenericIrqLow2); |
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#endif |
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// this is call-back for iHwGuard timer. It is called in the ISR context |
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// if the iHwGuardTimer expires. |
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// It will change the iTransactionStatus to KErrTimedOut to allow exiting from the while-loop.. |
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void DCsiChannelSlave::TimeoutCallback(TAny* aPtr) |
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{ |
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__KTRACE_OPT(KIIC, Kern::Printf("DCsiChannelMaster::TimeoutCallback")); |
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DCsiChannelSlave *a = (DCsiChannelSlave*) aPtr; |
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a->iTransactionStatus = KErrTimedOut; |
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} |
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// this is a static method to be called - when SS line is de-asserted. |
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// it disabled the interface and interrupts, and then it checks which flags |
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// need to be specified and then calls NotifyClient using it |
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void DCsiChannelSlave::NotifyClientEnd(DCsiChannelSlave* aPtr) |
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{ |
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__KTRACE_OPT(KIIC, Kern::Printf("NotifyClientEnd, iTrigger %x", aPtr->iTrigger)); |
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// disable interrupts and the interface.. |
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AsspRegister::Modify32(aPtr->iChannelBase + KHoCSIModeControl, |
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KHtCSIModeEnable | KSlaveInterruptFlags, 0); |
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// call NotifyClient with xAllBytes (as specified by the Operation) |
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TInt flag = 0; |
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if(aPtr->iTrigger & EReceive) |
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{ |
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flag = ERxAllBytes; |
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// if received less data, than the buffer size (i.e the Master de-asserted SS line |
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// before we could fill the whole buffer) - this is the underrun situation |
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if(aPtr->iRxDataEnd != aPtr->iRxData) |
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{ |
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__KTRACE_OPT(KIIC, Kern::Printf("Rx Underrun")); |
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flag |= ERxUnderrun; |
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} |
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} |
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if(aPtr->iTrigger & ETransmit) |
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{ |
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flag |= ETxAllBytes; |
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// if not everything was transferred, i.e. Master de-asserted SS line |
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// before we could transmit all the data - this is the overrun error.. |
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if(aPtr->iTxDataEnd != aPtr->iTxData) |
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{ |
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__KTRACE_OPT(KIIC, Kern::Printf("Tx Overrun")); |
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flag |= ETxOverrun; |
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} |
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} |
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|
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aPtr->NotifyClient(flag); |
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} |
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// ISR Handler |
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void DCsiChannelSlave::CsiIsr(TAny* aPtr) |
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{ |
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DCsiChannelSlave *a = (DCsiChannelSlave*) aPtr; |
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TInt intState = 0; |
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|
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// read the interrupt flags - to see, what was causing the interrupt.. |
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TUint32 status = AsspRegister::Read32(a->iChannelBase + KHoCSIIntStatus); |
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|
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// SS signal negative-edge interrupt |
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if (status & KHtCSIIntStatusSSDn) |
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{ |
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// falling edge.. |
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TInt pin = AsspRegister::Read32(a->iChannelBase + KHoCSIControl) & KHtCSIControlSSMon; |
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|
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// falling edge.. and if pin active at LOW state - this is the beginning |
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// of the transmission from the Master.. |
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if (a->iSSPinActiveMode == ESpiCSPinActiveLow) |
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{ |
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intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
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if (!pin && !a->iInProgress) |
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{ |
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a->iInProgress = ETrue; |
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} |
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124 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
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125 |
} |
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126 |
else |
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127 |
// falling edge.. and if pin active at HIGH state - this is the end |
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128 |
// of the transmission from the Master.. |
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129 |
{ |
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130 |
TInt8 notify = EFalse; |
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131 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
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132 |
if (pin && a->iInProgress) |
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133 |
{ |
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134 |
a->iInProgress = EFalse; |
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135 |
notify = ETrue; |
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|
136 |
} |
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137 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
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|
138 |
|
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139 |
if(notify) |
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|
140 |
{ |
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|
141 |
a->NotifyClientEnd(a); |
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142 |
return; |
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|
143 |
} |
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144 |
} |
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|
145 |
|
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|
146 |
|
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147 |
// clear KHtCSIIntStatusSSDn interrupt.. |
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148 |
AsspRegister::Write32(a->iChannelBase + KHoCSIIntStatus, KHtCSIIntStatusSSDn); |
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149 |
} |
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150 |
|
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151 |
// SS signal positive-edge interrupt |
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152 |
if (status & KHtCSIIntStatusSSUp) |
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153 |
{ |
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|
154 |
// rising edge.. |
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155 |
TInt pin = AsspRegister::Read32(a->iChannelBase + KHoCSIControl) & KHtCSIControlSSMon; |
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156 |
|
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157 |
// rising edge.. and if pin active at HIGH state - this is the beginning |
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158 |
// of the transmission from the Master.. |
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159 |
if (a->iSSPinActiveMode == ESpiCSPinActiveHigh) |
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160 |
{ |
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161 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
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162 |
if (pin && !a->iInProgress) |
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163 |
{ |
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164 |
a->iInProgress = ETrue; |
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|
165 |
} |
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|
166 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
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|
167 |
} |
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|
168 |
else |
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169 |
// rising edge.. and if pin active at LOW state - this is the END |
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170 |
// of the transmission from the Master.. |
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|
171 |
{ |
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172 |
TInt8 notify = EFalse; |
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173 |
|
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174 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
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175 |
if(pin && a->iInProgress) |
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176 |
{ |
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177 |
a->iInProgress = EFalse; |
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178 |
notify = ETrue; |
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|
179 |
} |
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180 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
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|
181 |
|
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|
182 |
if(notify) |
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|
183 |
{ |
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|
184 |
a->NotifyClientEnd(a); |
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|
185 |
return; |
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|
186 |
} |
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|
187 |
} |
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|
188 |
|
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189 |
// clear KHtCSIIntStatusSSUp interrupt.. |
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190 |
AsspRegister::Write32(a->iChannelBase + KHoCSIIntStatus, KHtCSIIntStatusSSUp); |
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|
191 |
} |
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|
192 |
|
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193 |
TInt trigger = 0; |
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|
194 |
if (status & (KHtCSIIntStatusTEnd | KHtCSIIntStatusRxTrgIE)) |
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|
195 |
{ |
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|
196 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
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|
197 |
trigger = a->iTrigger; |
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|
198 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
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|
199 |
} |
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|
200 |
|
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|
201 |
// process TEND end interrupts |
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Initial contribution supporting NaviEngine 1
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|
202 |
// this ISR happens every time ONE unit has been transfered.. |
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Initial contribution supporting NaviEngine 1
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|
203 |
if (status & KHtCSIIntStatusTEnd) |
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|
204 |
{ |
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diff
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|
205 |
// clear TxEnd interrupt.. |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
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|
206 |
AsspRegister::Write32(a->iChannelBase + KHoCSIIntStatus, KHtCSIIntStatusTEnd); |
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Initial contribution supporting NaviEngine 1
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|
207 |
|
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parents:
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|
208 |
if(trigger & ETransmit) |
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diff
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|
209 |
{ |
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|
210 |
if(a->iTxData == a->iTxDataEnd) |
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Initial contribution supporting NaviEngine 1
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diff
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|
211 |
{ |
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parents:
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|
212 |
// if we've moved all the data to the FIFO.. |
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Initial contribution supporting NaviEngine 1
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parents:
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|
213 |
// notify the PIL with ETxAllBytes | ETxUnderrun; |
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|
214 |
// (so that - if the Client set ERxUnderrun - he could provide more data to be sent.. |
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Initial contribution supporting NaviEngine 1
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|
215 |
AsspRegister::Modify32(a->iChannelBase + KHoCSIControl, KHtCSIControlTEndIE, 0); |
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|
216 |
a->NotifyClient(ETxAllBytes | ETxUnderrun); |
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Initial contribution supporting NaviEngine 1
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diff
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|
217 |
} |
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|
218 |
else |
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Initial contribution supporting NaviEngine 1
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diff
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|
219 |
{ |
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|
220 |
// if tere's more data to be sent - copy next item to the FIFO window register. |
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parents:
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|
221 |
TUint16 val; |
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parents:
diff
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|
222 |
|
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parents:
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|
223 |
// in 16bit mode we need to read MSB first.. |
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Initial contribution supporting NaviEngine 1
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|
224 |
if(a->iWordSize > 1) |
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Initial contribution supporting NaviEngine 1
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diff
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|
225 |
{ |
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parents:
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|
226 |
val = (*a->iTxData) >> 8; // MSB shifted down.. |
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|
227 |
val |= *(a->iTxData + 1) & 0xff; // LSB.. |
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diff
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|
228 |
} |
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Initial contribution supporting NaviEngine 1
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|
229 |
else |
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Initial contribution supporting NaviEngine 1
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diff
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|
230 |
{ |
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Initial contribution supporting NaviEngine 1
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|
231 |
val = *a->iTxData; |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
232 |
} |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
233 |
|
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Initial contribution supporting NaviEngine 1
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parents:
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|
234 |
// copy the data item to the FIFO window register |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
235 |
AsspRegister::Write32(a->iChannelBase + KHoCSIOFifo, val); |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
236 |
|
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|
237 |
// increment the pointer.. |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
238 |
a->iTxData += a->iWordSize; |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
239 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
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|
240 |
} |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
241 |
} //end of TXEnd processing |
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Initial contribution supporting NaviEngine 1
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diff
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|
242 |
|
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
243 |
// process receive threshold interrupt |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
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|
244 |
if (status & KHtCSIIntStatusRxTrgIE) |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
245 |
{ |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
246 |
// read data from the FIFO .. |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
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|
247 |
if(trigger & EReceive) |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
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|
248 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
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|
249 |
while(AsspRegister::Read32(a->iChannelBase + KHoCSIIFifoL)) |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
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|
250 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
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|
251 |
// if there's still some place in the buffer - put it into buffer.. |
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Initial contribution supporting NaviEngine 1
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parents:
diff
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|
252 |
if((a->iRxDataEnd - a->iRxData) >= a->iWordSize) |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
253 |
{ |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
254 |
// copy data from the FIFO if tere's more space in the buffer |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
255 |
TUint16 val = AsspRegister::Read32(a->iChannelBase + KHoCSIIFifo); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
256 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
257 |
// we're big-endian.. (AB).. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
258 |
// so in 16bit mode we need to read MSB first.. |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
259 |
if(a->iWordSize > 1) |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
260 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
261 |
*a->iRxData = val >> 8; // MSB shifted down.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
262 |
*(a->iRxData + 1) = val & 0xff; // LSB.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
263 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
264 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
265 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
266 |
*a->iRxData = val; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
267 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
268 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
269 |
// increment the pointer.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
270 |
a->iRxData += a->iWordSize; |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
271 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
272 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
273 |
{ |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
274 |
// overrun, i.e Slave has sent more data than expected by the client |
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Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
275 |
//__KTRACE_OPT(KIIC, Kern::Printf("REND, ERxOverrun")); |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
276 |
AsspRegister::Modify32(a->iChannelBase + KHoCSIControl, KHtCSIControlRxTrgIE, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
277 |
a->NotifyClient(ERxAllBytes | ERxOverrun); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
278 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
279 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
280 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
281 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
282 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
283 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
284 |
// or drop the data, writing 0 to the FIFOL register |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
285 |
AsspRegister::Write32(a->iChannelBase + KHoCSIIFifoL, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
286 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
287 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
288 |
// Clear the RxThreshold interrupt |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
289 |
AsspRegister::Write32(a->iChannelBase + KHoCSIIntStatus, KHtCSIIntStatusRxTrgIE); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
290 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
291 |
} // end of reception processing.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
292 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
293 |
|
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
294 |
// overloaded constructor |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
295 |
DCsiChannelSlave::DCsiChannelSlave(TInt aChannelNumber, |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
296 |
const DIicBusChannel::TBusType aBusType, |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
297 |
const DIicBusChannel::TChannelDuplex aChanDuplex) : |
5de814552237
Initial contribution supporting NaviEngine 1
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parents:
diff
changeset
|
298 |
DIicBusChannelSlave(aBusType, aChanDuplex, 0), |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
299 |
iHwGuardTimer(TimeoutCallback, this) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
300 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
301 |
iHwTimeoutValue = -1; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
302 |
iChannelNumber = aChannelNumber; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
303 |
__KTRACE_OPT(KIIC, Kern::Printf("DCsiChannelSlave::DCsiChannelSlave, iChannelNumber = %d\n", iChannelNumber)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
304 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
305 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
306 |
// 2nd stage object construction |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
307 |
TInt DCsiChannelSlave::DoCreate() |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
308 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
309 |
__KTRACE_OPT(KIIC, Kern::Printf("\nDCsiChannelSlave::DoCreate, ch: %d \n", iChannelNumber)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
310 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
311 |
TUint32 channelBase; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
312 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
313 |
HCR::TSettingId channelBaseId; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
314 |
channelBaseId.iCat = KHcrCat_MHA_HWBASE; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
315 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
316 |
TInt r = KErrNone; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
317 |
switch (iChannelNumber) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
318 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
319 |
case 0: |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
320 |
channelBaseId.iKey = KHcrKey_HwBase_CSI0; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
321 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
322 |
case 1: |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
323 |
channelBaseId.iKey = KHcrKey_HwBase_CSI1; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
324 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
325 |
default: |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
326 |
__KTRACE_OPT(KIIC, Kern::Printf("Wrong ChannelNumber specified (%d)", iChannelNumber)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
327 |
return KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
328 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
329 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
330 |
r = HCR::GetUInt(channelBaseId, channelBase); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
331 |
iChannelBase = channelBase; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
332 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
333 |
if(r != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
334 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
335 |
__KTRACE_OPT(KIIC, Kern::Printf("Failed to read HCR setting for category = %d and key = %d\n", channelBaseId.iCat, channelBaseId.iKey)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
336 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
337 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
338 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
339 |
//Read the timeout value from HCR |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
340 |
if(iHwTimeoutValue == -1) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
341 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
342 |
HCR::TSettingId settingId; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
343 |
// csiTimeout values was not yet read from HCR; read it |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
344 |
settingId.iCat = KHcrCat_HWServ_CSI; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
345 |
settingId.iKey = KHcrKey_CSI_Timeout; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
346 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
347 |
TInt r = HCR::GetInt(settingId, iHwTimeoutValue); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
348 |
if(r != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
349 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
350 |
__KTRACE_OPT(KIIC, Kern::Printf("Failed to read HCR setting for category = %d and key = %d\n", settingId.iCat, settingId.iKey)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
351 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
352 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
353 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
354 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
355 |
// PIL Base class initialization. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
356 |
r = Init(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
357 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
358 |
// set the unique Slave's iChannelId |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
359 |
// THis, along with the instance count of opened Slave channels - will be returned to the client |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
360 |
// as he captures the Channel (in the referenced aChannelId making an unique ID) - and if the capture is |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
361 |
// successful he refers to this channel using the returned ChannelId. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
362 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
363 |
// For now, let's just use the combination of iChannelNumber/iChannelBase(register address)) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
364 |
// This might be later replaced by the call into ConfRep to obtain the iChannelId for the PSL. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
365 |
iChannelId = 0xffff & (iChannelNumber + iChannelBase); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
366 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
367 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
368 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
369 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
370 |
// static method used to construct the DCsiChannelSlave object. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
371 |
#ifdef STANDALONE_CHANNEL |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
372 |
EXPORT_C |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
373 |
#endif |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
374 |
DCsiChannelSlave* DCsiChannelSlave::New(TInt aChannelNumber, const TBusType aBusType, const TChannelDuplex aChanDuplex) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
375 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
376 |
__KTRACE_OPT(KIIC, Kern::Printf("DCsiChannelSlave::NewL(): aChannelNumber = %d, BusType =%d", aChannelNumber, aBusType)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
377 |
DCsiChannelSlave *pChan = new DCsiChannelSlave(aChannelNumber, aBusType, aChanDuplex); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
378 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
379 |
TInt r = KErrNoMemory; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
380 |
if (pChan) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
381 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
382 |
r = pChan->DoCreate(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
383 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
384 |
if (r != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
385 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
386 |
delete pChan; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
387 |
pChan = NULL; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
388 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
389 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
390 |
return pChan; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
391 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
392 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
393 |
// Validates the various Fields in the transaction header |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
394 |
// THis is a pure virtual.. which.. is never called by the PIL?.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
395 |
TInt DCsiChannelSlave::CheckHdr(TDes8* aHdrBuff) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
396 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
397 |
TInt r = KErrNone; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
398 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
399 |
if(!aHdrBuff) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
400 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
401 |
r = KErrArgument; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
402 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
403 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
404 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
405 |
TConfigSpiBufV01* headerBuf = (TConfigSpiBufV01*) aHdrBuff; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
406 |
TConfigSpiV01 &spiHeader = (*headerBuf)(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
407 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
408 |
if(spiHeader.iTransactionWaitCycles > 15) // (can be 0 - 15) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
409 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
410 |
__KTRACE_OPT(KIIC, Kern::Printf("iTransactionWaitCycles not supported")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
411 |
r = KErrNotSupported; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
412 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
413 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
414 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
415 |
if(spiHeader.iWordWidth != ESpiWordWidth_8 && |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
416 |
spiHeader.iWordWidth != ESpiWordWidth_16) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
417 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
418 |
__KTRACE_OPT(KIIC, Kern::Printf("iWordWidth not supported")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
419 |
r = KErrNotSupported; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
420 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
421 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
422 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
423 |
__KTRACE_OPT(KIIC, Kern::Printf("DCsiChannelSlave::CheckHdr() r %d", r)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
424 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
425 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
426 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
427 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
428 |
void DCsiChannelSlave::ProcessData(TInt aTrigger, TIicBusSlaveCallback* aCb) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
429 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
430 |
__KTRACE_OPT(KIIC, Kern::Printf("DCsiChannelSlave::ProcessData(), trigger: %x, in progress %d", aTrigger, iInProgress)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
431 |
TInt intState; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
432 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
433 |
// if NotifyClient was called due to SS line de-assertion.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
434 |
TInt inProgress; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
435 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
436 |
inProgress = iInProgress; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
437 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
438 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
439 |
if(!inProgress && |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
440 |
(aTrigger & (ERxAllBytes | ETxAllBytes))) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
441 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
442 |
__KTRACE_OPT(KIIC, Kern::Printf("Finished, cleaning..")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
443 |
// we migh be still receiving or transmitting data, so must wait until the end of the transmission |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
444 |
// start the guard timer, which - in case of the following while got stucked - will |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
445 |
// unblock this dfc by changing iTransactionStatus |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
446 |
iTransactionStatus = KErrNone; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
447 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
448 |
iHwGuardTimer.OneShot(NKern::TimerTicks(iHwTimeoutValue)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
449 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
450 |
// active wait until the transfer has finished |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
451 |
while((iTransactionStatus == KErrNone) && |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
452 |
(AsspRegister::Read32(iChannelBase + KHoCSIModeControl) & KHtCSIModeTransferState)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
453 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
454 |
// clear CSIE bit.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
455 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, KHtCSIModeEnable, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
456 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
457 |
// check if the the guard timer or transaction timer hasn't expired.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
458 |
if(iTransactionStatus != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
459 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
460 |
__KTRACE_OPT(KIIC, Kern::Printf("CsiChannelMaster::TransferEndDfc(): Transaction timed-out")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
461 |
return; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
462 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
463 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
464 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
465 |
iHwGuardTimer.Cancel(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
466 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
467 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
468 |
// clear internal flags |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
469 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
470 |
iTrigger = 0; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
471 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
472 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
473 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
474 |
// if the transaction was finished |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
475 |
// NotifyClient() with ERxAllBytes (and)or ETxAllBytes called, when SS pin is de-asserted |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
476 |
// this indicated end of the transmission. Check buffer boundaries, as if Rx or Tx buffers |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
477 |
// provided by the client were bigger - this indicates ERxUnderrun or ETxOverrun - accordingly |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
478 |
// Rx.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
479 |
if(aTrigger & ERxAllBytes) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
480 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
481 |
__KTRACE_OPT(KIIC, Kern::Printf("Rx Buf: %x", iRxData)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
482 |
__KTRACE_OPT(KIIC, Kern::Printf("Rx BufeND: %x", iRxDataEnd)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
483 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
484 |
__KTRACE_OPT(KIIC, Kern::Printf("\n\nTxFifo level %d", AsspRegister::Read32(iChannelBase + KHoCSIOFifoL))); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
485 |
__KTRACE_OPT(KIIC, Kern::Printf("RxFifo level %d\n\n", AsspRegister::Read32(iChannelBase + KHoCSIIFifoL))); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
486 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
487 |
// clear the internal EReceive flag.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
488 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
489 |
iTrigger &= ~EReceive; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
490 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
491 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
492 |
// update the buffer information in the Callback object.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
493 |
aCb->SetRxWords(iNumRxWords - ((iRxDataEnd - iRxData) / iWordSize)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
494 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
495 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
496 |
// Tx... |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
497 |
if(aTrigger & ETxAllBytes) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
498 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
499 |
__KTRACE_OPT(KIIC, Kern::Printf("Tx Buf: %x", iTxData)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
500 |
__KTRACE_OPT(KIIC, Kern::Printf("Tx BufeND: %x", iTxDataEnd)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
501 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
502 |
// set the callback's TxWords value |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
503 |
__KTRACE_OPT(KIIC, Kern::Printf("aCb->SetTxWords %d", iNumTxWords - ((iTxDataEnd - iTxData) / iWordSize))); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
504 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
505 |
// clear the internal ETransmit flag.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
506 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
507 |
iTrigger &= ~ETransmit; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
508 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
509 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
510 |
// update the buffer information in the Callback object.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
511 |
aCb->SetTxWords(iNumTxWords - ((iTxDataEnd - iTxData) / iWordSize)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
512 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
513 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
514 |
if(aTrigger & EGeneralBusError) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
515 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
516 |
__KTRACE_OPT(KIIC, Kern::Printf("BusError..")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
517 |
// clear CSIE bit..and disable HW interrupts.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
518 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, KHtCSIModeEnable | KSlaveInterruptFlags, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
519 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
520 |
// clear internal flags |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
521 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
522 |
iTrigger = 0; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
523 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
524 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
525 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
526 |
// set the callback's trigger.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
527 |
aCb->SetTrigger(aTrigger | aCb->GetTrigger()); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
528 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
529 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
530 |
// Initializes the hardware with the data provided in the transaction and slave-address field |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
531 |
TInt DCsiChannelSlave::ConfigureInterface() |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
532 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
533 |
__KTRACE_OPT(KIIC, Kern::Printf("ConfigureInterface()")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
534 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
535 |
HCR::TSettingId settingId; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
536 |
TConfigSpiBufV01* aBuf = (TConfigSpiBufV01*) iConfigHeader; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
537 |
TConfigSpiV01 &spiHeader = (*aBuf)(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
538 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
539 |
// CSI initialization procedure: |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
540 |
// 1. clear CISE bit.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
541 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, KHtCSIModeEnable, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
542 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
543 |
// 2. wait until CIS_MODE.bit0 (CSOT) changes to 0 |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
544 |
// start the GuardTimer before while-loop.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
545 |
iTransactionStatus = KErrNone; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
546 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
547 |
iHwGuardTimer.OneShot(NKern::TimerTicks(iHwTimeoutValue)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
548 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
549 |
while((iTransactionStatus == KErrNone) && |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
550 |
AsspRegister::Read32(iChannelBase + KHoCSIModeControl) & KHtCSIModeTransferState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
551 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
552 |
// check if the the guard timer or transaction timer hasn't expired.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
553 |
if(iTransactionStatus != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
554 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
555 |
return KErrGeneral; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
556 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
557 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
558 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
559 |
iHwGuardTimer.Cancel(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
560 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
561 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
562 |
// 3. set CSIRST bit.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
563 |
AsspRegister::Modify32(iChannelBase + KHoCSIControl, 0, KHtCSIControlCSIRst); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
564 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
565 |
// 4. set KHoCSIClockSelect register.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
566 |
TUint32 val = 0; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
567 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
568 |
// CKP - ClocK Polarity (bit 4) 0: initial value is high, 1: initial val is low |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
569 |
// DAP - Clock phase select (bit 3) 0: 180 degree delay, 1: 0 degree delay |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
570 |
// @** don't use DAP=1 when iClock set to KHCSIClockValPCLKdiv4 (HW bug..see SoC errata) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
571 |
switch (spiHeader.iClkMode) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
572 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
573 |
case ESpiPolarityLowRisingEdge: // Active high, odd edges |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
574 |
val = KHtCSIClockSelectCKP; // CKP 1, DAP 0 |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
575 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
576 |
case ESpiPolarityLowFallingEdge: // Active high, even edges |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
577 |
val = KHtCSIClockSelectCKP | // CKP 1, DAP 1 |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
578 |
KHtCSIClockSelectDAP; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
579 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
580 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
581 |
case ESpiPolarityHighFallingEdge: // Active low, odd edges |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
582 |
val = 0; // CKP 0, DAP 0 |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
583 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
584 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
585 |
case ESpiPolarityHighRisingEdge: // Active low, even edges |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
586 |
val = KHtCSIClockSelectDAP; // CKP 0, DAP 1 |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
587 |
break; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
588 |
default: |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
589 |
break; // there's no default..no other value can be specified as it's an enum ;) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
590 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
591 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
592 |
// we are a Slave - so we use only one setting for the clk speed, ignoring the header |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
593 |
val |= KHCSIClockValSlave; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
594 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
595 |
// Set the SS pin configuration.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
596 |
val |= KHtCSIClockSelectSSE; // SS pin enable |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
597 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
598 |
if (spiHeader.iSSPinActiveMode == ESpiCSPinActiveHigh) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
599 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
600 |
val |= KHtCSIClockSelectSSPol; // 1: SS pin high active |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
601 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
602 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
603 |
// store iSSPinActiveMode internaly - it will be used in interrupts. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
604 |
iSSPinActiveMode = spiHeader.iSSPinActiveMode; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
605 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
606 |
// set transaction wait time.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
607 |
val |= (0xf & spiHeader.iTransactionWaitCycles) << KHsCSIModeTWait; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
608 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
609 |
// and finally update the register |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
610 |
AsspRegister::Write32(iChannelBase + KHoCSIClockSelect, val); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
611 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
612 |
// 5. clear KHtCSIControlCSIRst bit.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
613 |
AsspRegister::Modify32(iChannelBase + KHoCSIControl, KHtCSIControlCSIRst, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
614 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
615 |
// 6. Set Mode Control register: |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
616 |
// Transmission and reception mode |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
617 |
val = KHtCSIModeTrEnable; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
618 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
619 |
// Select transmit data length (8/16 bits) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
620 |
if (spiHeader.iWordWidth == ESpiWordWidth_16) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
621 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
622 |
iWordSize = 2; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
623 |
val |= KHtCSIModeDataLen; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
624 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
625 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
626 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
627 |
iWordSize = 1; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
628 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
629 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
630 |
// Select Transfer direction (if set-LSB first) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
631 |
if (spiHeader.iBitOrder == ELsbFirst) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
632 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
633 |
val |= KHtCSIModeTransferDir; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
634 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
635 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
636 |
// update the register |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
637 |
AsspRegister::Write32(iChannelBase + KHoCSIModeControl, val); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
638 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
639 |
// 7. Set FIFO trigger levels |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
640 |
TUint8 csiFifoRxTrigerLvl; // set RxTrigger level |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
641 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
642 |
settingId.iCat = KHcrCat_HWServ_CSI; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
643 |
settingId.iKey = KHcrKey_CSI_FifoRxTrigerLvl; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
644 |
TInt r = HCR::GetUInt(settingId, csiFifoRxTrigerLvl); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
645 |
if(r != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
646 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
647 |
__KTRACE_OPT(KIIC, Kern::Printf("Failed to read HCR setting for category = %d and key = %d\n", settingId.iCat, settingId.iKey)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
648 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
649 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
650 |
AsspRegister::Write32(iChannelBase + KHoCSIFifoTrgLvl, |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
651 |
(csiFifoRxTrigerLvl << KHsCSIRxFifoTrgLvl)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
652 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
653 |
// 8. Clear all interrupts |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
654 |
AsspRegister::Write32(iChannelBase + KHoCSIIntStatus, KInterruptsAll); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
655 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
656 |
// 9. Set RxTrig permission and enable TEnd and RxTrg interrupts |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
657 |
AsspRegister::Write32(iChannelBase + KHoCSIControl, KSlaveInterruptFlags); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
658 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
659 |
// the timeout period to wait for a response from the client. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
660 |
SetClientWaitTime(KClientWaitTime); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
661 |
// if the KIIC debug trace flag is set, we need to increase the transaction timeout, |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
662 |
// so that debug traces don't cause timer expiration. This call will overwrite |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
663 |
// previously set value (SetClientWaitTime) and default value set by the PIL (SetMasterWaitTime) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
664 |
__KTRACE_OPT(KIIC, SetClientWaitTime(KMaxWaitTime)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
665 |
__KTRACE_OPT(KIIC, SetMasterWaitTime(KMaxWaitTime)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
666 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
667 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
668 |
settingId.iCat = KHcrCat_MHA_Interrupt; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
669 |
settingId.iKey = iChannelNumber == 0 ? KHcrKey_Interrupt_CSI0 : KHcrKey_Interrupt_CSI1; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
670 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
671 |
TInt32 interruptId; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
672 |
r = HCR::GetInt(settingId, interruptId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
673 |
if(r != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
674 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
675 |
__KTRACE_OPT(KIIC, Kern::Printf("Failed to read HCR setting for category = %d and key = %d\n", settingId.iCat, settingId.iKey)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
676 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
677 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
678 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
679 |
// Bind the ISR for the Slave |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
680 |
iInterruptId = Interrupt::Bind(interruptId, DCsiChannelSlave::CsiIsr, this); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
681 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
682 |
// this returns interruptId or error code(err < 0) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
683 |
if (iInterruptId < KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
684 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
685 |
__KTRACE_OPT(KIIC, Kern::Printf("ERROR: InterruptBind error.. %d", r)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
686 |
Kern::Printf("ERROR: InterruptBind error.. %d", r); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
687 |
r = iInterruptId; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
688 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
689 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
690 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
691 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
692 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
693 |
// This method starts data transfer - filling the Transmit FIFO and enabling the device (CSIE bit) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
694 |
TInt DCsiChannelSlave::InitTransfer() |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
695 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
696 |
__KTRACE_OPT(KIIC, Kern::Printf("DCsiChannelSlave::InitTransfer()")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
697 |
//__KTRACE_OPT(KIIC, Kern::Printf("Receiving %d, Transmitting %d", (iTrigger & EReceive)>>4, (iTrigger & ETransmit)>>3)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
698 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
699 |
TUint r = KErrNone; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
700 |
TInt intState; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
701 |
TInt trigger; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
702 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
703 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
704 |
if(!iInProgress) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
705 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
706 |
// clean the FIFOs.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
707 |
AsspRegister::Write32(iChannelBase + KHoCSIOFifoL, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
708 |
AsspRegister::Write32(iChannelBase + KHoCSIOFifoL, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
709 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
710 |
// clear CISE bit..re-enable all HW interrupts.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
711 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, KHtCSIModeEnable, KSlaveInterruptFlags); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
712 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
713 |
// Clear all interrupts |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
714 |
AsspRegister::Write32(iChannelBase + KHoCSIIntStatus, KInterruptsAll); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
715 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
716 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
717 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
718 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
719 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
720 |
trigger = iTrigger; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
721 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
722 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
723 |
// if we are transmitting - Add data to the FIFO.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
724 |
if(trigger & ETransmit) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
725 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
726 |
// Set mode to transmission and reception (Set TRMD) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
727 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, 0, KHtCSIModeTrEnable); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
728 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
729 |
// enable TEND interrupt (e.g. if this is called during the transmission as the result of |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
730 |
// TxUnderrun event. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
731 |
AsspRegister::Modify32(iChannelBase + KHoCSIControl, 0, KHtCSIControlTEndIE); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
732 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
733 |
iWordSize = iTxGranularity >> 3; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
734 |
iTxData = iTxBuf + (iWordSize * iTxOffset); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
735 |
iTxDataEnd = iTxData + (iWordSize * iNumTxWords); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
736 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
737 |
__KTRACE_OPT(KIIC, Kern::Printf("Tx Buf: %x", iTxData)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
738 |
__KTRACE_OPT(KIIC, Kern::Printf("Tx BufeND: %x", iTxDataEnd)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
739 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
740 |
// copy data to the FIFO.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
741 |
while(AsspRegister::Read32(iChannelBase + KHoCSIOFifoL) <= (KHwCSIFifoLMax - iWordSize) && // until FIFO not full.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
742 |
iTxData != iTxDataEnd) // or whole data has been copied. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
743 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
744 |
TUint16 val; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
745 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
746 |
// in 16bit mode we need to read MSB first.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
747 |
if(iWordSize > 1) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
748 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
749 |
val = (*iTxData) << 8; // MSB shifted up.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
750 |
val |= *(iTxData + 1) & 0xff; // LSB.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
751 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
752 |
else |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
753 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
754 |
val = *iTxData; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
755 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
756 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
757 |
// write this value to the FIFO window register.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
758 |
AsspRegister::Write32(iChannelBase + KHoCSIOFifo, val); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
759 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
760 |
// increment the pointer. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
761 |
iTxData += iWordSize; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
762 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
763 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
764 |
__KTRACE_OPT(KIIC, Kern::Printf("After adding:\n\rTx Buf: %x", iTxData)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
765 |
__KTRACE_OPT(KIIC, Kern::Printf("Tx BufeND: %x", iTxDataEnd)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
766 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
767 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
768 |
if(trigger & EReceive) // we are starting receive transfer only.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
769 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
770 |
if(!(trigger & ETransmit)) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
771 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
772 |
// if only receiving - set it to reveive-only |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
773 |
// Set mode to reception only (clear TRMD) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
774 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, KHtCSIModeTrEnable, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
775 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
776 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
777 |
// enable RxTrg interrupt (e.g. if this is called during the transmission as the result |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
778 |
// of RxOverrun event. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
779 |
AsspRegister::Modify32(iChannelBase + KHoCSIControl, 0, KHtCSIControlRxTrgIE); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
780 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
781 |
iWordSize = iRxGranularity >> 3; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
782 |
iRxData = iRxBuf + (iWordSize * iRxOffset); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
783 |
iRxDataEnd = iRxData + (iWordSize * iNumRxWords); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
784 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
785 |
__KTRACE_OPT(KIIC, Kern::Printf("Rx Buffer: %x", iRxData)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
786 |
__KTRACE_OPT(KIIC, Kern::Printf("Rx BufreND: %x", iRxDataEnd)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
787 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
788 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
789 |
// enable interrupts.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
790 |
Interrupt::Enable(iInterruptId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
791 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
792 |
// enable transmission..this will trigger the HW to start the transmission.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
793 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, 0, KHtCSIModeEnable); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
794 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
795 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
796 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
797 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
798 |
// aOperation is a bit-mask made of TPslOperation |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
799 |
TInt DCsiChannelSlave::DoRequest(TInt aOperation) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
800 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
801 |
// __KTRACE_OPT(KIIC, Kern::Printf("\n===>DCsiChannelSlave::DoRequest, Operation %x", aOperation)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
802 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
803 |
TInt r = KErrNone; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
804 |
TInt intState; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
805 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
806 |
if (aOperation & EAsyncConfigPwrUp) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
807 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
808 |
__KTRACE_OPT(KIIC, Kern::Printf("EAsyncConfigPwrUp")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
809 |
// this is called when the client calls IicBus::CaptureChannel() asynchronously |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
810 |
r = ConfigureInterface(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
811 |
ChanCaptureCallback(r); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
812 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
813 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
814 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
815 |
// PowerUp |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
816 |
if (aOperation & ESyncConfigPwrUp) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
817 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
818 |
__KTRACE_OPT(KIIC, Kern::Printf("ESyncConfigPwrUp")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
819 |
// this is called when the client calls IicBus::CaptureChannel() |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
820 |
// - configure the channel with the configuration provided in the header. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
821 |
r = ConfigureInterface(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
822 |
// we can't continue in this case.. |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
823 |
if (r != KErrNone) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
824 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
825 |
__KTRACE_OPT(KIIC, Kern::Printf("Coudln't configure the interface..r %d", r)); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
826 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
827 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
828 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
829 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
830 |
if (aOperation & ETransmit) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
831 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
832 |
__KTRACE_OPT(KIIC, Kern::Printf("ETransmit")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
833 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
834 |
iTrigger |= ETransmit; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
835 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
836 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
837 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
838 |
if (aOperation & EReceive) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
839 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
840 |
__KTRACE_OPT(KIIC, Kern::Printf("EReceive")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
841 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
842 |
iTrigger |= EReceive; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
843 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
844 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
845 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
846 |
if (aOperation & (EReceive | ETransmit)) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
847 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
848 |
r = InitTransfer(); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
849 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
850 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
851 |
if (aOperation & EAbort) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
852 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
853 |
__KTRACE_OPT(KIIC, Kern::Printf("EAbort")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
854 |
intState = __SPIN_LOCK_IRQSAVE(CsiSpinLock); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
855 |
// disable CSI (clear CSIE bit), and interrupts |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
856 |
if(!iInProgress) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
857 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
858 |
AsspRegister::Modify32(iChannelBase + KHoCSIModeControl, KHtCSIModeEnable | KSlaveInterruptFlags, 0); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
859 |
iInProgress = EFalse; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
860 |
iTrigger = 0; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
861 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
862 |
__SPIN_UNLOCK_IRQRESTORE(CsiSpinLock, intState); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
863 |
Interrupt::Disable(iInterruptId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
864 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
865 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
866 |
if (aOperation & EPowerDown) |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
867 |
{ |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
868 |
__KTRACE_OPT(KIIC, Kern::Printf("EPowerDown")); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
869 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
870 |
// set CSI Rst bit |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
871 |
AsspRegister::Write32(iChannelBase + KHoCSIModeControl, KHtCSIControlCSIRst); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
872 |
|
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
873 |
// disable and unbind the ISR, |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
874 |
Interrupt::Disable(iInterruptId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
875 |
Interrupt::Unbind(iInterruptId); |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
876 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
877 |
return r; |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
878 |
} |
5de814552237
Initial contribution supporting NaviEngine 1
Ryan Harkin <ryan.harkin@nokia.com>
parents:
diff
changeset
|
879 |