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1 // Copyright (c) 1998-2009 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 the License "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 // e32\drivers\pbus\pccard\socket.cpp |
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15 // |
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16 // |
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17 |
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18 #include <pccard.h> |
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19 #include "cis.h" |
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20 |
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21 const TInt KFuncGranularity=(KMaxFuncPerCard+1); |
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22 const TInt KMemGranularity=2; |
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23 |
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24 TPccdFuncType FuncType(TUint aFuncCode) |
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25 { |
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26 |
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27 if (aFuncCode<=KCisTplFuncIdScsi) |
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28 return((TPccdFuncType)(aFuncCode+1)); |
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29 else if (aFuncCode==KCisTplFuncIdVendorSpecific) |
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30 return(EVendorSpecificCard); |
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31 else |
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32 return(EUnknownCard); |
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33 } |
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34 |
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35 /******************************************** |
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36 * PC card power supply |
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37 ********************************************/ |
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38 DPcCardVcc::DPcCardVcc(TInt aPsuNum, TInt aMediaChangeNum) |
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39 : DPBusPsuBase(aPsuNum, aMediaChangeNum) |
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40 { |
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41 } |
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42 |
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43 TInt DPcCardVcc::SocketVccToMilliVolts(TPccdSocketVcc aVcc) |
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44 // |
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45 // Converts a TPccdSocketVcc into a integer value - units mV. |
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46 // |
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47 { |
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48 switch (aVcc) |
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49 { |
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50 case EPccdSocket_5V0: return(5000); |
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51 case EPccdSocket_3V3: return(3300); |
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52 default: return(0); |
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53 } |
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54 } |
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55 |
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56 TBool DPcCardVcc::IsLocked() |
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57 { |
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58 /* TInt i; |
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59 Kern::EnterCS(); |
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60 for (i=0; i<KMaxPccdSockets; i++) |
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61 { |
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62 DPcCardSocket* pS=(DPcCardSocket*)TheSockets[i]; |
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63 if (pS && pS->iVcc==this) |
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64 { |
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65 if (pS->iClientWindows || pS->iActiveConfigs) |
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66 break; |
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67 } |
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68 } |
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69 Kern::LeaveCS(); |
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70 return (i<KMaxPccdSockets); |
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71 */ |
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72 DPcCardSocket* pS=(DPcCardSocket*)iSocket; |
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73 return (pS->iClientWindows || pS->iActiveConfigs); |
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74 } |
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75 |
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76 void DPcCardVcc::ReceiveVoltageCheckResult(TInt anError) |
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77 { |
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78 __KTRACE_OPT(KPBUS1,Kern::Printf("DPcCardVcc(%d)::ReceiveVoltageCheckResult(%d)",iPsuNum,anError)); |
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79 DPcCardSocket* pS=(DPcCardSocket*)iSocket; |
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80 TInt s=pS->iCardPowerUpState; |
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81 if (s==DPcCardSocket::EWaitForVccReading) |
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82 { |
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83 if (anError==KErrNone) |
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84 { |
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85 SetState(EPsuOnFull); |
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86 pS->iCardPowerUpState=DPcCardSocket::EWaitForReady; |
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87 } |
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88 else |
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89 pS->TerminatePowerUpSequence(KErrCorrupt); |
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90 } |
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91 else if (s!=DPcCardSocket::EInit && s!=DPcCardSocket::EApplyingReset && s!=DPcCardSocket::ECheckVcc) |
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92 DPBusPsuBase::ReceiveVoltageCheckResult(anError); |
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93 } |
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94 |
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95 /******************************************** |
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96 * PC card media change |
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97 ********************************************/ |
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98 DPcCardMediaChange::DPcCardMediaChange(TInt aMediaChangeNum) |
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99 : DMediaChangeBase(aMediaChangeNum) |
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100 { |
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101 } |
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102 |
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103 TInt DPcCardMediaChange::Create() |
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104 { |
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105 return DMediaChangeBase::Create(); |
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106 } |
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107 |
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108 /******************************************** |
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109 * PC card socket |
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110 ********************************************/ |
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111 void cardPowerUpTick(TAny* aPtr) |
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112 { |
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113 ((DPcCardSocket*)aPtr)->iCardPowerUpDfc.Enque(); |
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114 } |
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115 |
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116 void cardPowerUpDfc(TAny* aPtr) |
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117 { |
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118 ((DPcCardSocket*)aPtr)->CardPowerUpTick(); |
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119 } |
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120 |
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121 DPcCardSocket::DPcCardSocket(TSocket aSocketNum) |
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122 // |
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123 // Constructor. |
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124 // |
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125 : DPBusSocket(aSocketNum), |
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126 iCardFuncArray(KFuncGranularity), |
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127 iMemChunks(KMemGranularity), |
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128 iCardPowerUpDfc(cardPowerUpDfc, this, 1) |
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129 { |
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130 |
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131 iType=EPBusTypePcCard; |
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132 // iCardPowerUpState=EIdle; |
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133 // iClientWindows=0; |
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134 // iActiveConfigs=0; |
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135 } |
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136 |
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137 TInt DPcCardSocket::Create(const TDesC* aName) |
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138 // |
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139 // Create a new Socket. Only created once on kernel initialization so don't |
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140 // worry about cleanup if it fails. |
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141 // |
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142 { |
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143 |
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144 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):Create(%lS)",iSocketNumber,aName)); |
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145 |
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146 TInt r=DPBusSocket::Create(aName); |
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147 if (r!=KErrNone) |
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148 return r; |
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149 iCardPowerUpDfc.SetDfcQ(&iDfcQ); |
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150 |
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151 // Create card function array - add and remove a dummy function to pre-allocate array memory. |
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152 // This way, adding new functions to array never causes any memory allocation. |
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153 r=AddNewFunc(0,EPccdAttribMem); // Add dummy function |
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154 if (r!=KErrNone) |
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155 return r; |
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156 delete iCardFuncArray[0]; // Destroy dummy function |
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157 iCardFuncArray.Remove(0); // Remove pointer to dummy from array |
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158 |
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159 // Now allocate the permanent attribute memory chunk. Don't bother about what |
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160 // access speed we asign, it gets set each time we subsequently access the chunk. |
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161 TPccdChnk chnk(EPccdAttribMem,0,KDefaultAttribMemSize); |
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162 r=iAttribWin.Create(this,chnk,EAcSpeed300nS,KPccdChunkPermanent|KPccdChunkShared|KPccdChunkSystemOwned); |
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163 return r; |
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164 } |
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165 |
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166 void DPcCardSocket::ResetPowerUpState() |
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167 { |
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168 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):ResetPowerUpState",iSocketNumber)); |
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169 if (iCardPowerUpState!=EIdle) |
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170 { |
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171 iCardPowerUpTimer.Cancel(); |
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172 iCardPowerUpDfc.Cancel(); |
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173 iCardPowerUpState=EIdle; |
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174 } |
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175 } |
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176 |
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177 void DPcCardSocket::Reset1() |
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178 { |
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179 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):Reset1",iSocketNumber)); |
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180 ResetPowerUpState(); |
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181 } |
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182 |
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183 void DPcCardSocket::Reset2() |
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184 // |
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185 // Reset the socket (called to remove any allocated memory following a |
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186 // media change event). |
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187 // |
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188 { |
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189 |
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190 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):Rst2",iSocketNumber)); |
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191 // Destroy all the function objects |
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192 TInt i; |
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193 for (i=CardFuncCount()-1;i>=0;i--) |
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194 { |
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195 delete iCardFuncArray[i]; |
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196 iCardFuncArray.Remove(i); // Now remove from array (doesn't cause memory dealloc). |
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197 } |
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198 iActiveConfigs=0; |
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199 |
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200 // Destroy all the non-permanent Pc Card chunks |
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201 for (i=(iMemChunks.Count()-1);i>=0;i--) |
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202 { |
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203 if ( iMemChunks[i]->IsRemovable() ) |
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204 iMemChunks[i]->Close(); |
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205 } |
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206 iMemChunks.Compress(); |
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207 } |
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208 |
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209 void DPcCardSocket::Restore() |
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210 // |
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211 // Restore the socket. Normally called when restoring a socket after it has been powered |
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212 // down due to inactivity (but not media change) |
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213 // |
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214 { |
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215 TInt i; |
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216 TPcCardFunction *cf; |
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217 for (i=CardFuncCount()-1;i>=0;i--) |
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218 { |
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219 cf=iCardFuncArray[i]; |
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220 |
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221 TUint8 index; |
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222 if ((index=(TUint8)cf->ConfigOption())!=KInvalidConfOpt && cf->IsRestorableConfig()) |
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223 WriteConfigReg(i,KConfigOptionReg,index); |
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224 } |
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225 } |
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226 |
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227 void DPcCardSocket::RemoveChunk(DPccdChunkBase *aChunk) |
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228 // |
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229 // Remove a chunk from this socket. |
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230 // |
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231 { |
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232 TInt i; |
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233 for (i=0;i<iMemChunks.Count();i++) |
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234 { |
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235 if (iMemChunks[i]==aChunk) |
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236 { |
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237 iMemChunks.Remove(i); |
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238 iMemChunks.Compress(); |
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239 return; |
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240 } |
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241 } |
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242 } |
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243 |
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244 EXPORT_C TInt DPcCardSocket::RequestConfig(TInt aCardFunc,DBase *aClientID,TPcCardConfig &anInfo,TUint aFlag) |
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245 // |
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246 // Configure the card. |
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247 // |
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248 { |
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249 |
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250 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):RequestConfig(F:%d O:%xH B:%xH L:%xH)",iSocketNumber,aCardFunc,\ |
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251 anInfo.iConfigOption,anInfo.iConfigBaseAddr,anInfo.iRegPresent)); |
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252 if (!IsValidCardFunc(aCardFunc)) |
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253 return(KErrArgument); |
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254 // Check that this function isn't configured already |
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255 TPcCardFunction *cf=iCardFuncArray[aCardFunc]; |
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256 if (cf->IsConfigured()) |
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257 return(KErrInUse); // Its already configured. |
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258 |
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259 // If configuration registers are within attribute chunk then configure the |
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260 // card (rather than use the registers present info, assume all registers are |
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261 // present - ie size of mask). |
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262 if (anInfo.iConfigBaseAddr+(sizeof(anInfo.iRegPresent)<<1)>KDefaultAttribMemSize) |
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263 return(KErrNotSupported); |
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264 anInfo.iConfigOption&=(KConfOptLevIReqM|KConfOptConfM); // Mustn't allow msb - KInvalidConfOpt |
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265 TPccdAccessSpeed sp=(VccSetting()==EPccdSocket_3V3)?EAcSpeed600nS:EAcSpeed300nS; |
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266 iAttribWin.SetAccessSpeed(sp); |
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267 iAttribWin.SetupChunkHw(); |
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268 iAttribWin.Write(anInfo.iConfigBaseAddr,(TUint8*)&anInfo.iConfigOption,1); |
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269 |
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270 cf->SetConfigRegMask(anInfo.iRegPresent); |
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271 cf->SetConfigBaseAddr(anInfo.iConfigBaseAddr); |
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272 cf->SetConfigOption(anInfo.iConfigOption,aClientID,aFlag); |
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273 __e32_atomic_add_ord32(&iActiveConfigs, 1); |
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274 return(KErrNone); |
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275 } |
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276 |
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277 EXPORT_C void DPcCardSocket::ReleaseConfig(TInt aCardFunc,DBase *aClientID) |
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278 // |
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279 // Return card to memory only config. |
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280 // |
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281 { |
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282 |
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283 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):ReleaseConfig(F:%d)",iSocketNumber,aCardFunc)); |
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284 if (IsValidCardFunc(aCardFunc)) |
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285 { |
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286 TPcCardFunction *cf=iCardFuncArray[aCardFunc]; |
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287 if (cf->IsConfiguredByClient(aClientID)) |
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288 { |
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289 if (iState==EPBusOn && Kern::PowerGood()) |
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290 WriteConfigReg(aCardFunc,KConfigOptionReg,0); // Restore Config. Option register |
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291 |
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292 cf->SetConfigRegMask(0); |
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293 cf->SetConfigBaseAddr(0); |
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294 cf->SetConfigOption(KInvalidConfOpt,NULL,0); |
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295 __e32_atomic_add_ord32(&iActiveConfigs, TUint32(-1)); |
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296 } |
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297 } |
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298 } |
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299 |
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300 EXPORT_C TInt DPcCardSocket::ReadConfigReg(TInt aCardFunc,TInt aRegOffset,TUint8 &aVal) |
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301 // |
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302 // Read from a specified configuration register. (We return an error if the RegPres mask |
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303 // indicates the register isn't present but still attempt the read). |
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304 // |
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305 { |
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306 TInt offset, err; |
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307 if (!IsValidCardFunc(aCardFunc)|| iState!=EPBusOn || !Kern::PowerGood()) |
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308 err=KErrArgument; |
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309 else |
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310 { |
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311 if ((err=iCardFuncArray[aCardFunc]->ConfigRegAddress(aRegOffset,offset))==KErrNone||err==KErrNotSupported) |
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312 { |
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313 TPccdAccessSpeed sp=(VccSetting()==EPccdSocket_3V3)?EAcSpeed600nS:EAcSpeed300nS; |
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314 iAttribWin.SetAccessSpeed(sp); |
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315 iAttribWin.SetupChunkHw(); |
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316 iAttribWin.Read(offset,&aVal,1); |
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317 } |
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318 } |
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319 __KTRACE_OPT(KPBUS1,Kern::Printf("<Skt(%d):ReadConfigReg-%d",iSocketNumber,err)); |
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320 return(err); |
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321 } |
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322 |
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323 EXPORT_C TInt DPcCardSocket::WriteConfigReg(TInt aCardFunc,TInt aRegOffset,const TUint8 aVal) |
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324 // |
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325 // Write to a specified configuration register. (We return an error if the RegPres mask |
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326 // indicates the register isn't present but still attempt the write). |
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327 // |
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328 { |
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329 TInt offset, err; |
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330 if (!IsValidCardFunc(aCardFunc)|| iState!=EPBusOn || !Kern::PowerGood()) |
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331 err=KErrArgument; |
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332 else |
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333 { |
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334 if ((err=iCardFuncArray[aCardFunc]->ConfigRegAddress(aRegOffset,offset))==KErrNone||err==KErrNotSupported) |
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335 { |
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336 TPccdAccessSpeed sp=(VccSetting()==EPccdSocket_3V3)?EAcSpeed600nS:EAcSpeed300nS; |
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337 iAttribWin.SetAccessSpeed(sp); |
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338 iAttribWin.SetupChunkHw(); |
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339 iAttribWin.Write(offset,&aVal,1); |
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340 } |
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341 } |
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342 __KTRACE_OPT(KPBUS1,Kern::Printf("<Skt(%d):WriteConfigReg-%d",iSocketNumber,err)); |
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343 return(err); |
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344 } |
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345 |
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346 const TInt KReadCisBufferSize=0x80; // 128 Bytes |
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347 TInt DPcCardSocket::ReadCis(TPccdMemType aMemType,TInt aPos,TDes8 &aDes,TInt aLen) |
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348 // |
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349 // Read from CIS |
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350 // |
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351 { |
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352 |
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353 __KTRACE_OPT(KPBUS2,Kern::Printf(">Skt(%d):ReadCis(LE:%xH PO:%d TY:%d)",iSocketNumber,aLen,aPos,aMemType)); |
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354 RPccdWindow newWin; |
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355 RPccdWindow* win=&newWin; |
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356 TBool needNewChunk=ETrue; |
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357 TInt cisE=(aPos+aLen); |
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358 TInt incrm=1; |
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359 if (aMemType==EPccdAttribMem) |
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360 { |
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361 incrm=2; // Read every other byte |
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362 cisE<<=1; |
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363 aPos<<=1; |
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364 if (cisE<=(TInt)KDefaultAttribMemSize) |
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365 { |
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366 needNewChunk=EFalse; |
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367 win=&iAttribWin; |
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368 } |
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369 } |
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370 |
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371 if (needNewChunk) |
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372 { |
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373 TPccdChnk chnk(aMemType,aPos,(cisE-aPos)); |
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374 TInt r=newWin.Create(this,chnk,EAcSpeed300nS,KPccdChunkShared|KPccdChunkSystemOwned); |
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375 if (r!=KErrNone) |
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376 return(r); |
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377 cisE-=aPos; |
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378 aPos=0; |
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379 } |
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380 |
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381 TPccdAccessSpeed sp=(VccSetting()==EPccdSocket_3V3)?EAcSpeed600nS:EAcSpeed300nS; |
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382 win->SetAccessSpeed(sp); |
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383 win->SetupChunkHw(); |
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384 aDes.Zero(); |
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385 TText8 buf[KReadCisBufferSize]; |
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386 TInt s; |
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387 for (;aPos<cisE;aPos+=s) |
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388 { |
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389 s=Min(KReadCisBufferSize,(cisE-aPos)); |
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390 win->Read(aPos,&buf[0],s); |
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391 for (TInt i=0;i<s;i+=incrm) |
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392 aDes.Append((TChar)buf[i]); |
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393 } |
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394 |
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395 if (needNewChunk) |
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396 newWin.Close(); |
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397 return(KErrNone); |
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398 } |
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399 |
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400 TInt DPcCardSocket::AddNewFunc(TUint32 anOffset,TPccdMemType aMemType) |
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401 // |
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402 // Create a new card function and append it to the function array |
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403 // |
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404 { |
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405 |
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406 __KTRACE_OPT(KPBUS1,Kern::Printf(">Skt(%d):AddNewFunc(T:%d)",iSocketNumber,aMemType)); |
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407 TInt r=KErrNoMemory; |
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408 TPcCardFunction* cf=new TPcCardFunction(anOffset,aMemType); |
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409 if (cf) |
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410 { |
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411 r=iCardFuncArray.Append(cf); |
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412 if (r!=KErrNone) |
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413 delete cf; |
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414 } |
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415 return r; |
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416 } |
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417 |
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418 TPcCardFunction *DPcCardSocket::CardFunc(TInt aCardFunc) |
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419 // |
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420 // Get a reference to a specific card function from the function array |
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421 // |
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422 { |
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423 |
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424 __ASSERT_ALWAYS(IsValidCardFunc(aCardFunc),PcCardPanic(EPcCardBadFunctionNumber)); |
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425 return iCardFuncArray[aCardFunc]; |
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426 } |
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427 |
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428 TBool DPcCardSocket::IsConfigLocked() |
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429 // |
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430 // Returns ETrue if this socket contains a card function which is currently configured. |
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431 // |
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432 { |
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433 // TInt i; |
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434 // for (i=CardFuncCount()-1;i>=0;i--) |
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435 // { |
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436 // if (iCardFuncArray[i]->IsConfigured()) |
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437 // return(ETrue); |
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438 // } |
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439 // return(EFalse); |
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440 return (iActiveConfigs!=0); |
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441 } |
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442 |
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443 TBool DPcCardSocket::IsMemoryLocked() |
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444 // |
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445 // Returns ETrue if any PC Card memory chunks are allocated on this socket. |
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446 // |
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447 { |
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448 |
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449 // TInt i; |
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450 // for (i=iMemChunks.Count()-1;i>=0;i--) |
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451 // { |
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452 // if ( iMemChunks[i]->IsLocked() ) |
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453 // return(ETrue); |
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454 // } |
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455 // return(EFalse); |
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456 return (iClientWindows!=0); |
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457 } |
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458 |
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459 TPccdSocketVcc DPcCardSocket::VccSetting() |
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460 // |
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461 // Return voltage setting that this socket is currently set for |
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462 // |
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463 { |
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464 |
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465 return ((DPcCardVcc*)iVcc)->VoltageSetting(); |
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466 } |
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467 |
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468 EXPORT_C TInt DPcCardSocket::VerifyCard(TPccdType &aType) |
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469 // |
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470 // Return information about the type of card present |
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471 // |
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472 { |
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473 |
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474 __KTRACE_OPT(KPBUS1,Kern::Printf(">Cntrl:VerifyCard(S:%d)",iSocketNumber)); |
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475 // The data we want is stored off-card, so it doesn't actually need to be |
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476 // powered but we need to have read CIS format. |
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477 TInt err=KErrNone; |
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478 if (CardIsReadyAndVerified()==KErrNone) |
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479 { |
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480 aType.iFuncCount=CardFuncCount(); |
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481 for (TInt i=(aType.iFuncCount-1);i>=0;i--) |
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482 aType.iFuncType[i]=CardFunc(i)->FuncType(); |
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483 } |
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484 else |
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485 err=KErrNotReady; |
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486 |
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487 __KTRACE_OPT(KPBUS1,Kern::Printf("<Cntrl:VerifyCard(S:%d T:%d)-%d",iSocketNumber,(TInt)aType.iFuncType[0],err)); |
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488 return(err); |
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489 } |
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490 |
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491 TInt DPcCardSocket::CardIsReadyAndVerified() |
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492 // |
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493 // Returns KErrNone when specified card is powered and ready (ie has had h/w reset) and |
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494 // a basic parsing of CIS has been performed (card functions detected). |
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495 // |
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496 { |
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497 |
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498 TInt r=KErrNotReady; |
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499 if (CardIsReady()) |
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500 { |
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501 r=KErrNone; |
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502 // Check if card function(s) have been determined (there is always at |
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503 // least a global function record if basic parsing performed). |
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504 if (!IsVerified()) |
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505 r=GetCisFormat(); |
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506 } |
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507 |
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508 __KTRACE_OPT(KPBUS1,Kern::Printf("<Cntrl:CardRdyAndVerif(S:%d)-%xH",iSocketNumber,r)); |
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509 return r; |
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510 } |
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511 |
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512 TBool DPcCardSocket::CardIsReady() |
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513 { |
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514 TBool r=(iState==EPBusOn && Kern::PowerGood()); |
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515 __KTRACE_OPT(KPBUS1,Kern::Printf("CardIsReady: %d",r)); |
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516 return r; |
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517 } |
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518 |
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519 TBool DPcCardSocket::CardIsPowered() |
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520 { |
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521 return !iVcc->IsOff(); |
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522 } |
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523 |
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524 TInt DPcCardSocket::GetCisFormat() |
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525 // |
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526 // Determine the type of card present by parsing the entire CIS. If a |
|
527 // Multi-function card is present then parse each CIS. |
|
528 // |
|
529 { |
|
530 |
|
531 __KTRACE_OPT(KPBUS1,Kern::Printf(">GetCisFormat (S:%d)",iSocketNumber)); |
|
532 |
|
533 TInt r=AddNewFunc(0,EPccdAttribMem); // We always have 1st CIS |
|
534 if (r!=KErrNone) |
|
535 return r; |
|
536 if (ValidateCis(0)!=KErrNone) // Can't use this until func added |
|
537 return KErrCorrupt; |
|
538 TCisReader cisRd; |
|
539 cisRd.iSocket=this; |
|
540 cisRd.DoSelectCis(0); |
|
541 TPccdFuncType firstFuncType; |
|
542 // Check for a multi-function card, search the global CIS (attribute |
|
543 // memory - addr 0) for a KCisTplLongLinkMfc tuple. |
|
544 TBuf8<KLargeTplBufSize> tpl; |
|
545 if (cisRd.DoFindReadTuple(KCisTplLongLinkMfc,tpl,KPccdReturnLinkTpl)==KErrNone) |
|
546 { |
|
547 // Multi-Function card |
|
548 firstFuncType=EGlobalCard; |
|
549 const TUint8 *tplPtr=tpl.Ptr()+2; // First tuple after link |
|
550 TInt funcCount=*tplPtr++; |
|
551 |
|
552 // Add a card function object to the socket for each entry in KCisTplLongLinkMfc tuple |
|
553 TPccdMemType memType; |
|
554 TUint32 lnkAdr; |
|
555 TInt i; |
|
556 for (i=0;i<funcCount;i++) |
|
557 { |
|
558 memType=(*tplPtr++)?EPccdCommon8Mem:EPccdAttribMem; |
|
559 TInt j; |
|
560 for (lnkAdr=0,j=0;j<4;j++) // Convert link address from string to unsigned long |
|
561 lnkAdr += (*tplPtr++) << (8*j); |
|
562 r=AddNewFunc(lnkAdr,memType); |
|
563 if (r!=KErrNone) |
|
564 return r; |
|
565 if (ValidateCis(i+1)!=KErrNone) // Can't use this until func added |
|
566 return KErrCorrupt; |
|
567 } |
|
568 // Parse the CIS of each card function looking for a KCisTplFuncId tuple |
|
569 for (i=1;i<=funcCount;i++) |
|
570 { |
|
571 cisRd.DoSelectCis(i); |
|
572 TPccdFuncType ft; |
|
573 if (cisRd.DoFindReadTuple(KCisTplFuncId,tpl,0)==KErrNone) |
|
574 ft=FuncType(tpl[2]); |
|
575 else |
|
576 ft=EUnknownCard; |
|
577 CardFunc(i)->SetFuncType(ft); |
|
578 } |
|
579 } |
|
580 else |
|
581 { |
|
582 // Single Function card |
|
583 cisRd.Restart(); |
|
584 if (cisRd.DoFindReadTuple(KCisTplFuncId,tpl,0)==KErrNone) |
|
585 firstFuncType=FuncType(tpl[2]); |
|
586 else |
|
587 firstFuncType=EUnknownCard; |
|
588 } |
|
589 |
|
590 CardFunc(0)->SetFuncType(firstFuncType); |
|
591 __KTRACE_OPT(KPBUS1,Kern::Printf("<GetCisFormat(T:%d)",firstFuncType)); |
|
592 return KErrNone; |
|
593 } |
|
594 |
|
595 TInt DPcCardSocket::ValidateCis(TInt aCardFunc) |
|
596 // |
|
597 // Attempt to walk though entire CIS. |
|
598 // |
|
599 { |
|
600 |
|
601 TCisReader cisRd; |
|
602 cisRd.iSocket=this; |
|
603 TBuf8<KLargeTplBufSize> tpl; |
|
604 TInt j=0,err; |
|
605 if ((err=cisRd.DoSelectCis(aCardFunc))==KErrNone) |
|
606 { |
|
607 for (j=0;j<KMaxTuplesPerCis;j++) |
|
608 { |
|
609 err=cisRd.DoFindReadTuple(KPccdNonSpecificTpl,tpl,(KPccdFindOnly|KPccdReturnLinkTpl|KPccdReportErrors)); |
|
610 if (err!=KErrNone) |
|
611 break; |
|
612 } |
|
613 if (j>=KMaxTuplesPerCis) |
|
614 err=KErrCorrupt; |
|
615 if (err==KErrNotFound) |
|
616 err=KErrNone; |
|
617 } |
|
618 __KTRACE_OPT(KPBUS1,Kern::Printf("<Skt:ValidateCis(S:%d F:%d Tuples:%d)-%d",iSocketNumber,aCardFunc,j,err)); |
|
619 return(err); |
|
620 } |
|
621 |
|
622 void DPcCardSocket::InitiatePowerUpSequence() |
|
623 { |
|
624 __KTRACE_OPT(KPBUS1,Kern::Printf("DPcCardSocket(%d)::InitiatePowerUpSequence",iSocketNumber)); |
|
625 // Check if battery is too low |
|
626 // TSupplyStatus ss=(TSupplyStatus)iMachineInfo.iDisableOnLowBattery; |
|
627 // if (ss!=EZero) |
|
628 // { |
|
629 // TSupplyInfoV1 info; |
|
630 // Hal::SupplyInfo(info); |
|
631 // if (info.iMainBatteryStatus<ss && !info.iExternalPowerPresent) |
|
632 // { |
|
633 // iSocket[aSocket]->SetSocketStatus(ESocketBatTooLow); |
|
634 // rs=KErrBadPower; |
|
635 // break; |
|
636 // } |
|
637 // } |
|
638 |
|
639 // Check the state of the Voltage sense line |
|
640 TSocketIndicators ind; |
|
641 Indicators(ind); |
|
642 TUint v=(TUint)ind.iVoltSense & ((DPcCardVcc*)iVcc)->VoltageSupported(); |
|
643 if (v==0) |
|
644 { |
|
645 __KTRACE_OPT(KPBUS1,Kern::Printf("InitiatePowerUpSequence(S:%d)-Voltage sense problem(%d)",iSocketNumber,ind.iVoltSense)); |
|
646 iVcc->SetCurrLimited(); // Not totally true but has effect. |
|
647 PowerUpSequenceComplete(KErrCorrupt); |
|
648 return; |
|
649 } |
|
650 TPccdSocketVcc sVcc=(v&KPccdVcc_3V3)?EPccdSocket_3V3:EPccdSocket_5V0; // ??? What about xVx / yVy |
|
651 ((DPcCardVcc*)iVcc)->SetVoltage(sVcc); |
|
652 |
|
653 // Power up card (current limited). |
|
654 __KTRACE_OPT(KPBUS1,Kern::Printf("InitiatePowerUpSequence(S:%d)-Apply Vcc",iSocketNumber)); |
|
655 if (iVcc->SetState(EPsuOnCurLimit) != KErrNone) |
|
656 { |
|
657 __KTRACE_OPT(KPBUS1,Kern::Printf("InitiatePowerUpSequence(S:%d)-Vcc problem",iSocketNumber)); |
|
658 iVcc->SetState(EPsuOff); |
|
659 iVcc->SetCurrLimited(); |
|
660 PowerUpSequenceComplete(KErrGeneral); |
|
661 return; |
|
662 } |
|
663 iCardPowerUpState=EInit; |
|
664 iCardPowerUpTickCount=0; |
|
665 iCardPowerUpResetLen=KResetOnDefaultLen; |
|
666 iCardPowerUpPauseLen=KResetOffDefaultLen; |
|
667 iCardPowerUpTimer.Periodic(KPccdPowerUpReqInterval,cardPowerUpTick,this); |
|
668 } |
|
669 |
|
670 void DPcCardSocket::TerminatePowerUpSequence(TInt aResult) |
|
671 { |
|
672 __KTRACE_OPT(KPBUS1,Kern::Printf("DPcCardSocket(%d)::TerminatePowerUpSequence result %d",iSocketNumber,aResult)); |
|
673 ResetPowerUpState(); |
|
674 if (aResult==KErrNone) |
|
675 Restore(); |
|
676 PowerUpSequenceComplete(aResult); |
|
677 } |
|
678 |
|
679 void DPcCardSocket::CardPowerUpTick() |
|
680 { |
|
681 __KTRACE_OPT(KPBUS1,Kern::Printf("CardPowerUpTick S:%d Elapsed %d State %d",iSocketNumber,iCardPowerUpTickCount,iCardPowerUpState)); |
|
682 if (++iCardPowerUpTickCount>KPwrUpTimeOut) |
|
683 { |
|
684 iVcc->SetState(EPsuOff); // should leave this to timeout |
|
685 TerminatePowerUpSequence(KErrTimedOut); |
|
686 return; |
|
687 } |
|
688 switch (iCardPowerUpState) |
|
689 { |
|
690 case EInit: |
|
691 HwReset(ETrue); // Apply reset - Turns on interface |
|
692 iCardPowerUpState=EApplyingReset; |
|
693 break; |
|
694 case EApplyingReset: |
|
695 if (iCardPowerUpTickCount>iCardPowerUpResetLen) |
|
696 { |
|
697 HwReset(EFalse); // remove reset |
|
698 iCardPowerUpState=ECheckVcc; |
|
699 } |
|
700 break; |
|
701 case ECheckVcc: |
|
702 { |
|
703 iCardPowerUpState=EWaitForVccReading; |
|
704 TInt cv=iVcc->CheckVoltage(KPsuChkOnPwrUp); |
|
705 if (cv==KErrNotSupported) |
|
706 iCardPowerUpState=EWaitForReady; |
|
707 else if (cv!=KErrNone) |
|
708 TerminatePowerUpSequence(cv); |
|
709 break; |
|
710 } |
|
711 case EWaitForVccReading: |
|
712 break; |
|
713 case EWaitForReady: |
|
714 if (Ready()) |
|
715 { |
|
716 iCardPowerUpState=EPauseAfterReady; // Card is ready |
|
717 // Its effectively powered up now so reset the elapsed time and use it |
|
718 // to measure pause after reset (ie this is limited to KPwrUpTimeOut too). |
|
719 iCardPowerUpTickCount=0; |
|
720 } |
|
721 break; |
|
722 case EPauseAfterReady: |
|
723 if (iCardPowerUpTickCount>=iCardPowerUpPauseLen) |
|
724 { |
|
725 // power-up sequence is complete |
|
726 TerminatePowerUpSequence(KErrNone); |
|
727 } |
|
728 break; |
|
729 } |
|
730 } |
|
731 |
|
732 /******************************************** |
|
733 * PC card memory chunk |
|
734 ********************************************/ |
|
735 DPccdChunkBase::DPccdChunkBase() |
|
736 // |
|
737 // Constructor |
|
738 // |
|
739 { |
|
740 // iSocket=NULL; |
|
741 // iCacheable=EFalse; |
|
742 } |
|
743 |
|
744 TInt DPccdChunkBase::Create(DPcCardSocket* aSocket, TPccdChnk aChunk, TUint aFlag) |
|
745 // |
|
746 // Create a chunk of Pc Card h/w. |
|
747 // |
|
748 { |
|
749 iSocket=aSocket; |
|
750 iChnk=aChunk; |
|
751 iCacheable=(aFlag&KPccdChunkCacheable); |
|
752 return DoCreate(aChunk,aFlag); |
|
753 } |
|
754 |
|
755 DPccdChunkBase::~DPccdChunkBase() |
|
756 // |
|
757 // Destructor |
|
758 // |
|
759 { |
|
760 __KTRACE_OPT(KPBUS1,Kern::Printf(">DPccdChunkBase destruct %08x",this)); |
|
761 } |
|
762 |
|
763 void DPccdChunkBase::Close() |
|
764 // |
|
765 // Destructor |
|
766 // |
|
767 { |
|
768 __KTRACE_OPT(KPBUS1,Kern::Printf(">DPccdChunkBase::Close() %08x",this)); |
|
769 |
|
770 // Disconnect all the Pc Card windows and then delete chunk |
|
771 SDblQueLink* pW=iWindowQ.iA.iNext; |
|
772 while (pW!=&iWindowQ.iA) |
|
773 { |
|
774 RPccdWindow& w=*(RPccdWindow*)pW; |
|
775 pW=pW->iNext; |
|
776 w.Close(); // closing last window deletes chunk |
|
777 } |
|
778 __KTRACE_OPT(KPBUS1,Kern::Printf("<DPccdChunkBase::Close() %08x",this)); |
|
779 } |
|
780 |
|
781 TBool DPccdChunkBase::IsRemovable() |
|
782 // |
|
783 // Check if this chunk has any permanent windows. |
|
784 // |
|
785 { |
|
786 return (iPermanentWindows==0); |
|
787 } |
|
788 |
|
789 TBool DPccdChunkBase::IsLocked() |
|
790 // |
|
791 // Check if this chunk has any windows which are allocated to clients of the PC Card |
|
792 // Controller (as opposed to the Controller itself). |
|
793 // |
|
794 { |
|
795 return (iWindows>iSystemWindows); |
|
796 } |
|
797 |
|
798 TInt DPccdChunkBase::AllocateWinCheck(TPccdChnk aWin,TUint aFlag) |
|
799 // |
|
800 // Check if it is possible to create the specified window from this chunk. |
|
801 // |
|
802 { |
|
803 // Check if they are of compatible type |
|
804 if (!IsTypeCompatible(aWin.iMemType)) |
|
805 return(KErrNotFound); |
|
806 |
|
807 // For a success, the requested window must lie entirely within this chunk. |
|
808 TUint32 chnkEnd=(iChnk.iMemBaseAddr+iChnk.iMemLen-1); |
|
809 TUint32 winEnd=(aWin.iMemBaseAddr+aWin.iMemLen-1); |
|
810 TBool startIsInChnk=(aWin.iMemBaseAddr>=iChnk.iMemBaseAddr && aWin.iMemBaseAddr<=chnkEnd); |
|
811 TBool endIsInChnk=(winEnd>=iChnk.iMemBaseAddr && winEnd<=chnkEnd); |
|
812 if (startIsInChnk&&endIsInChnk) |
|
813 { |
|
814 // Possible success - first check the cache options are compatible |
|
815 if (!(aFlag|KPccdChunkCacheable)&&iCacheable) |
|
816 return(KErrAccessDenied); |
|
817 |
|
818 // Now check that the requested window isn't already allocated |
|
819 SDblQueLink* pW=iWindowQ.iA.iNext; |
|
820 while (pW!=&iWindowQ.iA) |
|
821 { |
|
822 RPccdWindow& w=*(RPccdWindow*)pW; |
|
823 pW=pW->iNext; |
|
824 if (w.Overlap(aWin.iMemBaseAddr-iChnk.iMemBaseAddr,aWin.iMemLen) ) |
|
825 return(KErrAccessDenied); |
|
826 } |
|
827 return(KErrNone); |
|
828 } |
|
829 if (startIsInChnk||endIsInChnk) |
|
830 return(KErrAccessDenied); // Requested window is partly in this chunk. |
|
831 return(KErrNotFound); |
|
832 } |
|
833 |
|
834 void DPccdChunkBase::AddWindow(RPccdWindow *aWindow) |
|
835 // |
|
836 // Add a window to this chunk. |
|
837 // |
|
838 { |
|
839 iWindowQ.Add(aWindow); |
|
840 // Kern::EnterCS(); Not needed since a single thread is used |
|
841 iWindows++; |
|
842 if (aWindow->IsPermanent()) |
|
843 iPermanentWindows++; |
|
844 if (aWindow->IsShareable()) |
|
845 iShareableWindows++; |
|
846 if (aWindow->IsSystemOwned()) |
|
847 iSystemWindows++; |
|
848 else |
|
849 iSocket->iClientWindows++; |
|
850 // Kern::LeaveCS(); |
|
851 aWindow->iChunk=this; |
|
852 } |
|
853 |
|
854 void DPccdChunkBase::RemoveWindow(RPccdWindow *aWindow) |
|
855 // |
|
856 // Remove a window from this chunk (even if it's permanent). |
|
857 // |
|
858 { |
|
859 |
|
860 if (aWindow->iNext && aWindow->iChunk==this) |
|
861 { |
|
862 aWindow->Deque(); |
|
863 aWindow->iNext=NULL; |
|
864 // Kern::EnterCS(); Not needed since a single thread is used |
|
865 iWindows--; |
|
866 if (aWindow->IsPermanent()) |
|
867 iPermanentWindows--; |
|
868 if (aWindow->IsShareable()) |
|
869 iShareableWindows--; |
|
870 if (aWindow->IsSystemOwned()) |
|
871 iSystemWindows--; |
|
872 else |
|
873 iSocket->iClientWindows--; |
|
874 // Kern::LeaveCS(); |
|
875 if (iWindows==0) |
|
876 { |
|
877 iSocket->RemoveChunk(this); |
|
878 delete this; |
|
879 } |
|
880 } |
|
881 } |
|
882 |
|
883 /******************************************** |
|
884 * PC card memory window |
|
885 ********************************************/ |
|
886 EXPORT_C RPccdWindow::RPccdWindow() |
|
887 // |
|
888 // Constructor |
|
889 // |
|
890 : iAccessSpeed(EAcSpeedInValid),iMemType(EPccdAttribMem),iOffset(0),iLen(0),iType(0) |
|
891 { |
|
892 iNext=NULL; |
|
893 iChunk=NULL; |
|
894 } |
|
895 |
|
896 EXPORT_C TInt RPccdWindow::Create(DPcCardSocket* aSocket, TPccdChnk aChnk, TPccdAccessSpeed aSpeed, TUint aFlag) |
|
897 // |
|
898 // Create a block of memory (IO, Common or Attribute memory). |
|
899 // |
|
900 { |
|
901 |
|
902 DPccdChunkBase *chunk=NULL; |
|
903 TBool chunkExists=EFalse; |
|
904 TInt r; |
|
905 |
|
906 // See if requested window is actually part of a chunk already created |
|
907 TInt i; |
|
908 for (i=0;i<aSocket->iMemChunks.Count();i++) |
|
909 { |
|
910 if ((r=aSocket->iMemChunks[i]->AllocateWinCheck(aChnk,aFlag))==KErrNone) |
|
911 { |
|
912 chunk=aSocket->iMemChunks[i]; |
|
913 chunkExists=ETrue; |
|
914 break; |
|
915 } |
|
916 if (r==KErrAccessDenied) |
|
917 return r; |
|
918 } |
|
919 |
|
920 // If necesary, create a chunk |
|
921 if (!chunkExists) |
|
922 { |
|
923 // Create the memory chunk |
|
924 chunk=aSocket->NewPccdChunk(aChnk.iMemType); |
|
925 if (!chunk) |
|
926 return KErrNoMemory; |
|
927 TInt r=chunk->Create(aSocket, aChnk, aFlag); |
|
928 if (r==KErrNone) |
|
929 r=aSocket->iMemChunks.Append(chunk); |
|
930 if (r!=KErrNone) |
|
931 { |
|
932 delete chunk; |
|
933 return r; |
|
934 } |
|
935 } |
|
936 __KTRACE_OPT(KPBUS2,Kern::Printf("Skt:CreateMemWindowL-got chunk(existing-%d)",chunkExists)); |
|
937 |
|
938 // Create the memory window |
|
939 iOffset=aChnk.iMemBaseAddr-chunk->BaseAddr(); |
|
940 iLen=aChnk.iMemLen; |
|
941 iAccessSpeed=aSpeed; |
|
942 iMemType=aChnk.iMemType; |
|
943 iWaitSig=(aFlag&KPccdRequestWait); |
|
944 iType=aFlag&(KPccdChunkShared|KPccdChunkPermanent|KPccdChunkSystemOwned); // Save flag settings |
|
945 chunk->AddWindow(this); |
|
946 __KTRACE_OPT(KPBUS2,Kern::Printf("Skt:CreateMemWindowL-created window")); |
|
947 return KErrNone; |
|
948 } |
|
949 |
|
950 EXPORT_C void RPccdWindow::Close() |
|
951 { |
|
952 if (iNext && iChunk) |
|
953 iChunk->RemoveWindow(this); |
|
954 } |
|
955 |
|
956 EXPORT_C TInt RPccdWindow::SetupChunkHw(TUint aFlag) |
|
957 // |
|
958 // Config h/w in preparation for accessing window. Flag is for platform dependant info. |
|
959 // |
|
960 { |
|
961 |
|
962 if (!iChunk) |
|
963 return(KErrNotReady); |
|
964 iChunk->SetupChunkHw(iAccessSpeed,iMemType,iWaitSig,aFlag); |
|
965 // iVcc->ResetInactivityTimer(); |
|
966 return(KErrNone); |
|
967 } |
|
968 |
|
969 EXPORT_C TLinAddr RPccdWindow::LinearAddress() |
|
970 // |
|
971 // Return linear address of window |
|
972 // |
|
973 { |
|
974 return iChunk->LinearAddress()+iOffset; |
|
975 } |
|
976 |
|
977 TBool RPccdWindow::Overlap(TUint32 anOffset,TUint aLen) |
|
978 // |
|
979 // |
|
980 // |
|
981 { |
|
982 // If this window is sharable then it doesn't matter if they overlap or not. |
|
983 if (IsShareable()) |
|
984 return(EFalse); |
|
985 |
|
986 TUint32 winEnd=(anOffset+aLen-1); |
|
987 TUint32 thisEnd=(iOffset+iLen-1); |
|
988 if ((anOffset>=iOffset && anOffset<=thisEnd) || |
|
989 (winEnd>=iOffset && winEnd<=thisEnd) ) |
|
990 return(ETrue); |
|
991 |
|
992 return(EFalse); |
|
993 } |
|
994 |