1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Virtual Video Hardware Channel implementation |
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15 |
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16 #include <kernel/kernel.h> |
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17 #include <assp.h> |
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18 |
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19 #include <graphics/virtualvideohwchannel.h> |
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20 #include <graphics/virtualvideohwdeviceinterface.h> |
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21 #include <graphics/guestvideodriverprotocol.h> |
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22 #include <graphics/guestvideodrivercommon.h> |
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23 #include <graphics/devicereqhandler.h> |
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24 |
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25 #include "serializedfunctioncall.h" |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // DVirtualVideoHwChannel::DVirtualVideoHwChannel |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 DVirtualVideoHwChannel::DVirtualVideoHwChannel( |
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32 MVirtualVideoHwDeviceInterface& aDeviceInterface, |
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33 DVirtualVideoHwInterface& aHwInterface, |
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34 DDeviceReqHandler& aDeviceReqHandler, |
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35 TDfcQue* aQueue ) : |
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36 iDeviceInterface( aDeviceInterface ), |
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37 iHwInterface( aHwInterface ), |
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38 iReqHandler( aDeviceReqHandler ) |
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39 { |
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40 SetDfcQ( aQueue ); |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // DVirtualVideoHwChannel::~DVirtualVideoHwChannel |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 DVirtualVideoHwChannel::~DVirtualVideoHwChannel() |
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48 { |
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49 // Enter critical section |
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50 NKern::ThreadEnterCS(); |
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51 iMsgQ.CompleteAll( KErrAbort ); |
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52 // Leave critical section |
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53 NKern::ThreadLeaveCS(); |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // DVirtualVideoHwChannel::Request |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 TInt DVirtualVideoHwChannel::Request( TInt aReqNo, TAny *a1, TAny *a2 ) |
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61 { |
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62 TInt result = DLogicalChannel::Request( aReqNo, a1, a2 ); |
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63 return result; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // DVirtualVideoHwChannel::HandleMsg |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 void DVirtualVideoHwChannel::HandleMsg( TMessageBase* aMsgRequest ) |
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71 { |
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72 DThread* userThread = aMsgRequest->Client(); |
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73 TThreadMessage& msg = *(TThreadMessage*)aMsgRequest; |
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74 // Default error condition |
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75 TInt err = KErrNone; |
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76 |
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77 if ( msg.iValue == ECloseMsg ) |
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78 { |
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79 iReqHandler.HandleClientShutdown( userThread->iOwningProcess->iId, userThread->iId ); |
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80 msg.Complete( KErrNone, EFalse ); |
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81 return; |
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82 } |
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83 |
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84 if ( msg.iValue < 0 ) |
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85 { |
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86 TRequestStatus* status = (TRequestStatus*)msg.Ptr0(); |
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87 err = DoRequest( userThread, ~msg.iValue, status, msg.Ptr1(), msg.Ptr2() ); |
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88 if( err != KErrNone ) |
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89 { |
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90 Kern::RequestComplete( userThread, status, err ); |
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91 } |
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92 err = KErrNone; |
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93 } |
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94 else |
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95 { |
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96 err = DoControl( userThread, msg.iValue, msg.Ptr0(), msg.Ptr1() ); |
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97 } |
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98 |
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99 msg.Complete( err, ETrue ); |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // DVirtualVideoHwChannel::DoCreate |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 TInt DVirtualVideoHwChannel::DoCreate( TInt /*aUnit*/, const TDesC* /*aInfo*/, const TVersion& aVer ) |
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107 { |
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108 using namespace GuestVideoDriver; |
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109 TInt err = KErrNone; |
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110 |
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111 if ( ! Kern::QueryVersionSupported( |
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112 TVersion( |
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113 KMajorVer, |
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114 KMinorVer, |
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115 KBuildVer ), |
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116 aVer ) ) |
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117 { |
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118 return KErrNotSupported; |
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119 } |
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120 |
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121 iMsgQ.Receive(); |
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122 return err; |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // DVirtualVideoHwChannel::DoRequest |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 TInt DVirtualVideoHwChannel::DoRequest( |
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130 DThread*& aUserThread, |
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131 TInt aReqNo, |
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132 TRequestStatus* aStatus, |
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133 TAny* a1, |
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134 TAny* a2 ) |
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135 { |
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136 using namespace GuestVideoDriver; |
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137 |
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138 // Default error condition |
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139 TInt err = KErrNone; |
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140 |
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141 switch( aReqNo ) |
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142 { |
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143 case ERequestExecuteCommand: |
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144 { |
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145 err = iReqHandler.HandleExecuteAsync( |
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146 aUserThread, |
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147 aStatus, |
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148 a1); |
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149 break; |
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150 } |
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151 case ERequestLoadCommands: |
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152 { |
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153 err = iReqHandler.HandleLoadCommands( |
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154 aUserThread, |
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155 aStatus, |
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156 a1 ); |
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157 break; |
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158 } |
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159 default: |
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160 { |
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161 // Other requests are not supported |
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162 err = KErrNotSupported; |
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163 } |
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164 break; |
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165 } |
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166 return err; |
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167 } |
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168 |
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169 |
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170 |
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171 #ifdef FAISALMEMON_S4_SGIMAGE |
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172 TInt DVirtualVideoHwChannel::GetSgImageMetaData(TSgImageMetaData& aSgInfo, const TUint64 aId) |
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173 { |
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174 VVHW_TRACE("DVirtualVideoHwChannel::OpenSgImageMetaData 0x%lx", aId ); |
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175 DSgResource* sgResource = NULL; |
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176 TInt metaDataErr = SgExtension::FindAndOpenResource( aId, sgResource );//Open the sgimage resource |
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177 |
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178 if ( metaDataErr == KErrNone ) |
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179 { |
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180 TPckgBuf<TSgImageMetaData> metaDataPckg; |
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181 |
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182 metaDataErr = sgResource->GetMetaData( metaDataPckg ); |
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183 if ( metaDataErr == KErrNone ) |
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184 { |
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185 aSgInfo = metaDataPckg(); |
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186 } |
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187 |
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188 sgResource->Close(); |
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189 } |
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190 return metaDataErr; |
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191 } |
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192 #endif |
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193 |
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194 |
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195 // ----------------------------------------------------------------------------- |
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196 // DVirtualVideoHwChannel::DoControl |
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197 // ----------------------------------------------------------------------------- |
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198 // |
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199 TInt DVirtualVideoHwChannel::DoControl( |
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200 DThread*& aUserThread, |
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201 TInt aFunction, |
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202 TAny* a1, |
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203 TAny* a2 ) |
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204 { |
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205 using namespace GuestVideoDriver; |
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206 |
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207 // Default error condition |
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208 TInt err = KErrNone; |
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209 |
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210 switch( aFunction ) |
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211 { |
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212 case ERequestMapAddress: |
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213 { |
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214 TPckgBuf<TInt> handle; |
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215 err = Kern::ThreadDesRead( aUserThread, a1, handle, 0, 0 ); |
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216 if ( KErrNone == err ) |
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217 { |
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218 DChunk* chunk = Kern::OpenSharedChunk( aUserThread, handle(), EFalse ); |
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219 if ( chunk ) |
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220 { |
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221 TLinAddr kernelAddress; |
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222 TUint32 mapAttr; |
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223 TUint32 physicalAddress( 0 ); |
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224 TInt ret = Kern::ChunkPhysicalAddress( chunk, 0, chunk->Size(), |
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225 kernelAddress, mapAttr, physicalAddress ); |
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226 |
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227 TPckgC<TUint32> address( physicalAddress ); |
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228 err = Kern::ThreadDesWrite( aUserThread, a2, address, 0, 0, aUserThread ); |
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229 Kern::ChunkClose( chunk ); |
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230 chunk = NULL; |
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231 } |
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232 else |
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233 { |
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234 err = KErrGeneral; |
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235 } |
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236 } |
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237 break; |
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238 } |
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239 case ERequestSurfaceBufferBaseAddress: |
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240 { |
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241 TPhysAddr physicalAddress(0); |
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242 physicalAddress = iHwInterface.GetSurfaceBufferBase(); |
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243 TPckgC<TPhysAddr> address(physicalAddress); |
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244 err = Kern::ThreadDesWrite(aUserThread, a1, address, 0, 0, aUserThread); |
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245 break; |
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246 } |
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247 #ifdef FAISALMEMON_S4_SGIMAGE |
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248 case ERequestSgHandles: |
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249 { |
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250 VVHW_TRACE("DVirtualVideoHwChannel::DoControl - ERequestSgHandles" ); |
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251 TPckgBuf<TUint64> sgId; |
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252 err = Kern::ThreadDesRead( aUserThread, a1, sgId, 0, 0 ); |
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253 if( KErrNone == err ) |
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254 { |
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255 TSgImageMetaData sgInfo; |
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256 err = GetSgImageMetaData( sgInfo, sgId()); |
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257 if ( KErrNone == err ) |
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258 { |
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259 // package the handles into 64-bit value, since there's only one parameter (a2) available |
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260 TUint64 sgHandles = (((TUint64)sgInfo.iPbufferHandle)&0xFFFFFFFF) + (((TUint64)sgInfo.iVGImageHandle)<<32); |
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261 TPckg<TUint64> handles(sgHandles); |
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262 err = Kern::ThreadDesWrite( aUserThread, a2, handles, 0, 0); |
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263 if(err) |
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264 VVHW_TRACE("DVirtualVideoHwChannel::DoControl - ThreadDesWrite error=%d", err); |
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265 } |
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266 else |
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267 { |
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268 VVHW_TRACE("DVirtualVideoHwChannel::DoControl - OpenSgImageMetaData failed" ); |
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269 } |
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270 } |
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271 else |
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272 { |
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273 VVHW_TRACE("DVirtualVideoHwChannel::DoControl - ThreadDesRead err=%i", err ); |
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274 } |
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275 break; |
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276 } |
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277 #endif |
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278 default: |
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279 { |
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280 // Other functions are not supported |
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281 err = KErrNotSupported; |
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282 } |
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283 break; |
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284 } |
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285 |
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286 return err; |
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287 } |
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288 |
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