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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Minimalistic frame buffer driver |
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15 * |
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16 */ |
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17 |
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18 #ifndef _SVPFRAMEBUFFER_H |
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19 #define _SVPFRAMEBUFFER_H |
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20 |
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21 #include <display.h> |
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22 |
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23 #include <videodriver.h> |
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24 #include <system.h> |
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25 |
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26 #define __SVPFRAMEBUFFER_DEBUG |
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27 |
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28 #ifdef __SVPFRAMEBUFFER_DEBUG |
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29 |
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30 #define __GCE_DEBUG_PRINT(a) Kern::Printf(a) |
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31 #define __GCE_DEBUG_PRINT2(a,b) Kern::Printf(a,b) |
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32 |
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33 #else |
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34 |
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35 #define __GCE_DEBUG_PRINT(a) |
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36 #define __GCE_DEBUG_PRINT2(a,b) |
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37 |
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38 #endif |
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39 |
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40 // Macro to calculate the screen buffer size |
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41 // aBpp is the number of bits-per-pixel, aPpl is the number of pixels per line and aLpp number of lines per panel |
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42 #define FRAME_BUFFER_SIZE(aBpp,aPpl,aLpp) ((aBpp/8)*aPpl*aLpp) |
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43 |
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44 _LIT(KLitLcd,"SYBORG_FB"); |
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45 |
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46 const TUint KConfigLcdWidth = 640; |
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47 const TUint KConfigLcdHeight = 480; |
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48 const TInt KConfigLcdWidthInTwips = 9638; |
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49 const TInt KConfigLcdHeightInTwips = 7370; |
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50 const TBool KConfigIsMono = 0; |
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51 const TBool KConfigIsPalettized = 0; |
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52 const TInt KCOnfigOffsetToFirstPixel = 0; |
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53 const TBool KConfigPixelOrderRGB = 0; |
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54 const TBool KConfigPixelOrderLandscape = 1; |
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55 const TInt KConfigLcdDisplayMode = 2; |
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56 //const TInt KConfigLcdDisplayMode = 1; |
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57 const TInt KConfigLcdNumberOfDisplayModes = 3; |
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58 |
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59 |
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60 const TInt KConfigBitsPerPixel = 24; |
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61 const TInt KCOnfigOffsetBetweenLines = 2560; |
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62 |
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63 const TInt KVSyncDfcPriority = 7 ; //priority of DFC within the queue (0 to 7, where 7 is highest) |
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64 |
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65 /********************************************************************/ |
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66 /* Class Definition */ |
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67 /********************************************************************/ |
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68 /** |
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69 * This class defines a callback mechanism that is used by a resource user to specify its callback. It contains a |
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70 * function pointer and data pointer. The function pointer specifies the user callback function to be invoked by the |
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71 * resource while the data pointer specifies the data to be passed to the callback function. |
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72 */ |
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73 class TLcdUserCallBack |
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74 { |
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75 public: |
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76 // The constructor for the callback mechanism. |
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77 TLcdUserCallBack(TInt (*aFunction)(TUint aResID, TAny* aPtr), TAny* aPtr) |
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78 |
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79 { |
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80 iCbFn = aFunction; |
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81 iDataPtr = aPtr; |
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82 } |
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83 |
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84 public: |
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85 // The callback function pointer. |
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86 TInt (*iCbFn)(TUint aResID, TAny* aPtr); |
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87 |
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88 // Pointer to the data structure to be passed to the callback function. |
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89 TAny *iDataPtr; |
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90 }; |
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91 |
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92 class DLcdPowerHandler : public DPowerHandler |
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93 { |
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94 public: // from DPowerHandler |
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95 void PowerDown(TPowerState); |
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96 void PowerUp(); |
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97 public: // to prevent a race condition with WServer trying to power up/down at the same time |
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98 void PowerUpDfc(); |
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99 void PowerDownDfc(); |
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100 public: |
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101 DLcdPowerHandler(); |
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102 TInt Create(); |
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103 void DisplayOn(); |
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104 void DisplayOff(); |
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105 TInt HalFunction(TInt aFunction, TAny* a1, TAny* a2); |
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106 |
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107 void PowerUpLcd(TBool aSecure); |
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108 void PowerDownLcd(); |
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109 |
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110 void ScreenInfo(TScreenInfoV01& aInfo); |
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111 void WsSwitchOnScreen(); |
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112 void WsSwitchOffScreen(); |
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113 void HandleMsg(TMessageBase* aMsg); |
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114 void SwitchDisplay(TBool aSecure); |
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115 |
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116 private: |
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117 TInt GetCurrentDisplayModeInfo(TVideoInfoV01& aInfo, TBool aSecure); |
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118 TInt GetSpecifiedDisplayModeInfo(TInt aMode, TVideoInfoV01& aInfo); |
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119 TInt SetDisplayMode(TInt aMode); |
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120 TInt AllocateFrameBuffer(); |
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121 |
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122 public: |
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123 IMPORT_C static TInt RegisterCallback(TLcdUserCallBack* aCbPtr); |
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124 IMPORT_C static void DeRegisterCallback(TLcdUserCallBack* aCbPtr); |
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125 |
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126 private: |
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127 TBool iDisplayOn; |
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128 DPlatChunkHw* iChunk; |
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129 DPlatChunkHw* iSecureChunk; |
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130 TBool iWsSwitchOnScreen; |
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131 TBool iSecureDisplay; |
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132 |
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133 public: |
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134 TDfcQue* iDfcQ; |
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135 TMessageQue iMsgQ; // to prevent a race condition with Power Manager trying to power up/down at the same time |
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136 TDfc iPowerUpDfc; |
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137 TDfc iPowerDownDfc; |
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138 |
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139 private: |
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140 NFastMutex iLock; |
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141 TPhysAddr ivRamPhys; |
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142 TPhysAddr iSecurevRamPhys; |
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143 TLcdUserCallBack * iAppCallBk[2]; |
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144 |
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145 public: |
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146 TVideoInfoV01 iVideoInfo; |
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147 TVideoInfoV01 iSecureVideoInfo; |
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148 TInt iSize; |
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149 TLinAddr iPortAddr; |
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150 TPhysAddr iCompositionPhysical; |
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151 static DLcdPowerHandler * pLcd; |
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152 |
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153 enum { |
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154 FB_ID = 0, |
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155 FB_BASE = 1, |
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156 FB_HEIGHT = 2, |
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157 FB_WIDTH = 3, |
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158 FB_ORIENTATION = 4, |
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159 FB_BLANK = 5, |
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160 FB_INT_MASK = 6, |
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161 /* begin new interface */ |
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162 FB_INTERRUPT_CAUSE = 7, |
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163 FB_BPP = 8, |
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164 FB_COLOR_ORDER = 9, |
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165 FB_BYTE_ORDER = 10, |
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166 FB_PIXEL_ORDER = 11, |
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167 FB_ROW_PITCH = 12, |
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168 FB_ENABLED = 13, |
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169 FB_PALETTE_START = 0x400 >> 2, |
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170 FB_PALETTE_END = FB_PALETTE_START+256-1, |
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171 /* end new interface */ |
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172 }; |
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173 |
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174 #define FB_INT_VSYNC (1U << 0) |
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175 #define FB_INT_BASE_UPDATE_DONE (1U << 1) |
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176 |
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177 }; |
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178 |
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179 class DDisplayPddSyborg : public DDisplayPdd |
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180 { |
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181 |
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182 public: |
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183 DDisplayPddSyborg(); |
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184 ~DDisplayPddSyborg(); |
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185 |
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186 /** |
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187 Called by the LDD to handle the device specific part of switching to Legacy mode. |
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188 |
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189 @return KErrNone if successful; or one of the other system wide error codes. |
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190 */ |
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191 virtual TInt SetLegacyMode(); |
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192 |
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193 /** |
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194 Called by the LDD to handle the device specific part of switching to GCE mode. |
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195 |
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196 @return KErrNone if successful; or one of the other system wide error codes. |
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197 */ |
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198 virtual TInt SetGceMode(); |
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199 |
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200 /** |
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201 Called by the LDD to handle the device specific part of setting the rotation. |
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202 |
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203 @return KErrNone if successful; or one of the other system wide error codes. |
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204 */ |
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205 virtual TInt SetRotation(TInt aRotation); |
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206 |
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207 /** |
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208 Called by the LDD to handle the device specific part of posting a User Buffer. |
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209 |
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210 @return KErrNone if successful; or one of the other system wide error codes. |
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211 */ |
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212 virtual TInt PostUserBuffer(TBufferNode* aNode); |
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213 |
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214 /** |
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215 Called by the LDD to handle the device specific part of posting a Composition Buffer |
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216 |
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217 @return KErrNone if successful; or one of the other system wide error codes. |
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218 */ |
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219 virtual TInt PostCompositionBuffer(TBufferNode* aNode); |
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220 |
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221 /** |
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222 Called by the LDD to handle the device specific part of posting the Legacy Buffuer |
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223 |
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224 @return KErrNone if successful; or one of the other system wide error codes. |
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225 */ |
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226 virtual TInt PostLegacyBuffer(); |
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227 |
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228 /** |
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229 Called by the LDD to handle device specific cleanup operations when a channel is closed. |
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230 |
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231 @return KErrNone if successful; or one of the other system wide error codes. |
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232 */ |
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233 virtual TInt CloseMsg(); |
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234 |
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235 /** |
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236 Called by the LDD to handle device specific initialisation tasks when a channel is opened. |
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237 |
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238 @param aUnit The screen/hardware unit number. |
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239 @return KErrNone if successful; or one of the other system wide error codes. |
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240 */ |
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241 virtual TInt CreateChannelSetup(TInt aUnit); |
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242 |
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243 /** |
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244 Called by the LDD in order to detect whether a post operation is pending. This type of |
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245 information is specific to the actual physical device. |
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246 |
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247 @return ETrue if a Post operation is pending otherwise EFalse. |
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248 */ |
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249 virtual TBool PostPending(); |
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250 |
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251 /** |
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252 Called by the LDD to retrieve the DFC Queue created in the PDD. |
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253 |
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254 @param aUnit The screen/hardware unit number. |
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255 @return A pointer to the TDfcQue object created in the PDD. |
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256 */ |
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257 virtual TDfcQue* DfcQ(TInt aUnit); |
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258 |
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259 public: |
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260 static void VSyncDfcFn(TAny* aChannel); |
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261 |
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262 private: |
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263 TDfcQue* iDfcQ; |
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264 |
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265 //generic display info |
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266 TVideoInfoV01 iScreenInfo; |
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267 |
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268 //Pointer to a buffer in the Pending state |
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269 TBufferNode* iPendingBuffer; |
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270 |
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271 //Pointer to a buffer in the Active state |
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272 TBufferNode* iActiveBuffer; |
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273 |
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274 DChunk * iChunk; |
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275 TLcdUserCallBack* iLcdCallback; |
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276 |
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277 public: |
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278 TDfc iVSyncDfc; |
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279 }; |
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280 |
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281 |
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282 /** |
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283 PDD Factory class |
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284 */ |
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285 |
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286 class DDisplayPddFactory : public DPhysicalDevice |
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287 { |
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288 public: |
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289 DDisplayPddFactory(); |
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290 |
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291 virtual TInt Install(); |
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292 virtual void GetCaps(TDes8& aDes) const; |
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293 virtual TInt Create(DBase*& aChannel, TInt aUnit, const TDesC8* aInfo, const TVersion& aVer); |
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294 virtual TInt Validate(TInt aDeviceType, const TDesC8* anInfo, const TVersion& aVer); |
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295 }; |
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296 |
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297 #endif |