1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/benchmark/bm_misa_pdd.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,213 @@
1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include <kernel/kernel.h>
1.20 +#include <sa1100.h>
1.21 +
1.22 +#include "k32bm.h"
1.23 +
1.24 +class DBMMisaDevice : public DPhysicalDevice
1.25 + {
1.26 +public:
1.27 + DBMMisaDevice();
1.28 + virtual TInt Install();
1.29 + virtual void GetCaps(TDes8& aDes) const;
1.30 + virtual TInt Create(DBase*& aChannel, TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
1.31 + virtual TInt Validate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
1.32 + };
1.33 +
1.34 +class DBMMisaChannel : public DBMPChannel
1.35 + {
1.36 +public:
1.37 + DBMMisaChannel();
1.38 + ~DBMMisaChannel();
1.39 + virtual TBMTicks TimerPeriod();
1.40 + virtual TBMTicks TimerStamp();
1.41 + virtual TBMNs TimerTicksToNs(TBMTicks);
1.42 + virtual TBMTicks TimerNsToTicks(TBMNs);
1.43 + virtual TInt BindInterrupt(MBMIsr*);
1.44 + virtual TInt BindInterrupt(MBMInterruptLatencyIsr*);
1.45 + virtual void RequestInterrupt();
1.46 + virtual void CancelInterrupt();
1.47 +
1.48 +private:
1.49 +
1.50 + TInt BindInterrupt();
1.51 +
1.52 + static const TInt KBMMisaInterruptDelayTicks = KHwOscFreqHz / 1000;
1.53 + static const TBMTicks KBMMisaPeriod = (((TBMTicks) 1) << 32);
1.54 + static const TBMNs KBMMisaNsPerTick = (1000*1000*1000) / KHwOscFreqHz;
1.55 +
1.56 + static void Isr(TAny*);
1.57 +
1.58 + MBMIsr* iIsr;
1.59 + MBMInterruptLatencyIsr* iInterruptLatencyIsr;
1.60 + };
1.61 +
1.62 +
1.63 +DECLARE_STANDARD_PDD()
1.64 +//
1.65 +// Create a new device
1.66 +//
1.67 + {
1.68 + __ASSERT_CRITICAL;
1.69 + return new DBMMisaDevice;
1.70 + }
1.71 +
1.72 +DBMMisaDevice::DBMMisaDevice()
1.73 +//
1.74 +// Constructor
1.75 +//
1.76 + {
1.77 + //iUnitsMask=0;
1.78 + iVersion = TVersion(1,0,1);
1.79 + }
1.80 +
1.81 +TInt DBMMisaDevice::Install()
1.82 +//
1.83 +// Install the device driver.
1.84 +//
1.85 + {
1.86 + TInt r = SetName(&KBMPdName);
1.87 + return r;
1.88 + }
1.89 +
1.90 +void DBMMisaDevice::GetCaps(TDes8& aDes) const
1.91 +//
1.92 +// Return the Comm capabilities.
1.93 +//
1.94 + {
1.95 + }
1.96 +
1.97 +TInt DBMMisaDevice::Create(DBase*& aChannel, TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
1.98 +//
1.99 +// Create a channel on the device.
1.100 +//
1.101 + {
1.102 + __ASSERT_CRITICAL;
1.103 + aChannel = new DBMMisaChannel;
1.104 + return aChannel?KErrNone:KErrNoMemory;
1.105 + }
1.106 +
1.107 +TInt DBMMisaDevice::Validate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& aVer)
1.108 + {
1.109 + if (!Kern::QueryVersionSupported(iVersion,aVer))
1.110 + {
1.111 + return KErrNotSupported;
1.112 + }
1.113 + return KErrNone;
1.114 + }
1.115 +
1.116 +DBMMisaChannel::DBMMisaChannel()
1.117 + {
1.118 + // iIsr = NULL;
1.119 + // iInterruptLatencyIsr = NULL;
1.120 + }
1.121 +
1.122 +DBMMisaChannel::~DBMMisaChannel()
1.123 + {
1.124 + if (iIsr || iInterruptLatencyIsr)
1.125 + {
1.126 + TSa1100::DisableOstInterrupt(KHwOstMatchGeneral);
1.127 + TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
1.128 + Interrupt::Disable(KIntIdOstMatchGeneral);
1.129 + TSa1100::ModifyIntLevels(KHtIntsOstMatchGeneral,0);
1.130 + Interrupt::Unbind(KIntIdOstMatchGeneral);
1.131 + }
1.132 + }
1.133 +
1.134 +TBMTicks DBMMisaChannel::TimerPeriod()
1.135 + {
1.136 + return KBMMisaPeriod;
1.137 + }
1.138 +
1.139 +TBMTicks DBMMisaChannel::TimerStamp()
1.140 + {
1.141 + return TUint(TSa1100::OstData());
1.142 + }
1.143 +
1.144 +TBMNs DBMMisaChannel::TimerTicksToNs(TBMTicks ticks)
1.145 + {
1.146 + return ticks * KBMMisaNsPerTick;
1.147 + }
1.148 +
1.149 +TBMTicks DBMMisaChannel::TimerNsToTicks(TBMNs ns)
1.150 + {
1.151 + return ns / KBMMisaNsPerTick;
1.152 + }
1.153 +
1.154 +void DBMMisaChannel::Isr(TAny* ptr)
1.155 + {
1.156 + DBMMisaChannel* mCh = (DBMMisaChannel*) ptr;
1.157 + BM_ASSERT(mCh->iIsr || mCh->iInterruptLatencyIsr);
1.158 + if (mCh->iIsr)
1.159 + {
1.160 + mCh->iIsr->Isr(TUint(TSa1100::OstData()));
1.161 + }
1.162 + else
1.163 + {
1.164 + mCh->iInterruptLatencyIsr->InterruptLatencyIsr(TSa1100::OstData() - TSa1100::OstMatch(KHwOstMatchGeneral));
1.165 + }
1.166 + TSa1100::DisableOstInterrupt(KHwOstMatchGeneral);
1.167 + TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
1.168 + }
1.169 +
1.170 +TInt DBMMisaChannel::BindInterrupt()
1.171 + {
1.172 + TInt r = Interrupt::Bind(KIntIdOstMatchGeneral, Isr, this);
1.173 + if (r != KErrNone)
1.174 + {
1.175 + return r;
1.176 + }
1.177 + TSa1100::ModifyIntLevels(0, KHtIntsOstMatchGeneral); // route new timer interrupt to FIQ
1.178 + TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
1.179 + Interrupt::Enable(KIntIdOstMatchGeneral);
1.180 + return KErrNone;
1.181 + }
1.182 +
1.183 +TInt DBMMisaChannel::BindInterrupt(MBMIsr* aIsr)
1.184 + {
1.185 + BM_ASSERT(!iIsr);
1.186 + BM_ASSERT(!iInterruptLatencyIsr);
1.187 + iIsr = aIsr;
1.188 + return BindInterrupt();
1.189 + }
1.190 +
1.191 +TInt DBMMisaChannel::BindInterrupt(MBMInterruptLatencyIsr* aIsr)
1.192 + {
1.193 + BM_ASSERT(!iIsr);
1.194 + BM_ASSERT(!iInterruptLatencyIsr);
1.195 + iInterruptLatencyIsr = aIsr;
1.196 + return BindInterrupt();
1.197 + }
1.198 +
1.199 +
1.200 +void DBMMisaChannel::RequestInterrupt()
1.201 + {
1.202 + BM_ASSERT(iIsr || iInterruptLatencyIsr);
1.203 + TSa1100::SetOstMatch(KHwOstMatchGeneral, TSa1100::OstData() + KBMMisaInterruptDelayTicks);
1.204 + TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
1.205 + TSa1100::EnableOstInterrupt(KHwOstMatchGeneral);
1.206 + }
1.207 +
1.208 +void DBMMisaChannel::CancelInterrupt()
1.209 + {
1.210 + if (iIsr || iInterruptLatencyIsr)
1.211 + {
1.212 + TSa1100::DisableOstInterrupt(KHwOstMatchGeneral);
1.213 + TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
1.214 + }
1.215 + }
1.216 +