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955 | serge | 1 | /* |
2 | * Copyright 2004-2008 Luc Verhaegen |
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3 | * Copyright 2007, 2008 Matthias Hopf |
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4 | * Copyright 2007, 2008 Egbert Eich |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice shall be included in |
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14 | * all copies or substantial portions of the Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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22 | * OTHER DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |||
25 | #ifndef _RHD_CRTC_H |
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26 | # define _RHD_CRTC_H |
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27 | |||
28 | struct rhdFMTDither { |
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29 | Bool LVDS24Bit; |
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30 | Bool LVDSSpatialDither; |
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31 | Bool LVDSTemporalDither; |
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32 | int LVDSGreyLevel; |
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33 | }; |
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34 | |||
35 | enum rhdCrtcScaleType { |
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36 | RHD_CRTC_SCALE_TYPE_NONE, /* top left */ |
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37 | RHD_CRTC_SCALE_TYPE_CENTER, /* center of the actual mode */ |
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38 | RHD_CRTC_SCALE_TYPE_SCALE, /* scaled to fullscreen */ |
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39 | RHD_CRTC_SCALE_TYPE_SCALE_KEEP_ASPECT_RATIO /* scaled to fullscreen */ |
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40 | }; |
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41 | |||
42 | #define RHD_CRTC_SCALE_TYPE_DEFAULT RHD_CRTC_SCALE_TYPE_SCALE_KEEP_ASPECT_RATIO |
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43 | |||
44 | |||
45 | struct rhdCrtc { |
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46 | int scrnIndex; |
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47 | |||
48 | char *Name; |
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49 | #define RHD_CRTC_1 0 |
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50 | #define RHD_CRTC_2 1 |
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51 | int Id; /* for others to hook onto */ |
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52 | |||
53 | Bool Active; |
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54 | |||
55 | int Offset; /* Current offset */ |
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56 | int bpp; |
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57 | int Pitch; |
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58 | int Width; |
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59 | int Height; |
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60 | int X, Y; /* Current frame */ |
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61 | int MinX, MinY, MaxX, MaxY; /* Panning Area: Max != 0 if used */ |
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62 | enum rhdCrtcScaleType ScaleType; |
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63 | struct rhdPLL *PLL; /* Currently attached PLL: move to private */ |
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64 | struct rhdLUT *LUT; /* Currently attached LUT: move to private */ |
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65 | struct rhdCursor *Cursor; /* Fixed to the MODE engine */ |
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66 | |||
67 | DisplayModePtr CurrentMode; |
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68 | DisplayModePtr Modes; /* Validated ones: Cycle through these */ |
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69 | |||
70 | DisplayModePtr ScaledToMode; /* usually a fixed mode from one of the monitors */ |
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71 | |||
72 | struct rhdCrtcFMTPrivate *FMTPriv; /* each CRTC subsystem may define this independently */ |
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73 | void (*FMTModeSet)(struct rhdCrtc *Crtc, struct rhdFMTDither *FMTDither); |
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74 | void (*FMTSave)(struct rhdCrtc *Crtc); |
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75 | void (*FMTRestore)(struct rhdCrtc *Crtc); |
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76 | void (*FMTDestroy) (struct rhdCrtc *Crtc); |
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77 | |||
78 | struct rhdCrtcFBPrivate *FBPriv; /* each CRTC subsystem may define this independently */ |
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79 | ModeStatus (*FBValid) (struct rhdCrtc *Crtc, CARD16 Width, CARD16 Height, |
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80 | int bpp, CARD32 Offset, CARD32 Size, CARD32 *pPitch); |
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81 | void (*FBSet) (struct rhdCrtc *Crtc, CARD16 Pitch, CARD16 Width, |
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82 | CARD16 Height, int bpp, CARD32 Offset); |
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83 | void (*FBSave) (struct rhdCrtc *Crtc); |
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84 | void (*FBRestore) (struct rhdCrtc *Crtc); |
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85 | void (*FBDestroy) (struct rhdCrtc *Crtc); |
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86 | |||
87 | struct rhdCrtcModePrivate *ModePriv; /* each CRTC subsystem may define this independently */ |
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88 | ModeStatus (*ModeValid) (struct rhdCrtc *Crtc, DisplayModePtr Mode); |
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89 | void (*ModeSet) (struct rhdCrtc *Crtc, DisplayModePtr Mode); |
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90 | void (*ModeSave) (struct rhdCrtc *Crtc); |
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91 | void (*ModeRestore) (struct rhdCrtc *Crtc); |
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92 | void (*ModeDestroy) (struct rhdCrtc *Crtc); |
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93 | |||
94 | struct rhdCrtcScalePrivate *ScalePriv; /* each CRTC subsystem may define this independently */ |
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95 | ModeStatus (*ScaleValid) (struct rhdCrtc *Crtc, enum rhdCrtcScaleType Type, DisplayModePtr Mode, DisplayModePtr ScaledToMode); |
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96 | void (*ScaleSet) (struct rhdCrtc *Crtc, enum rhdCrtcScaleType Type, DisplayModePtr Mode, DisplayModePtr ScaledToMode); |
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97 | void (*ScaleSave) (struct rhdCrtc *Crtc); |
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98 | void (*ScaleRestore) (struct rhdCrtc *Crtc); |
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99 | void (*ScaleDestroy) (struct rhdCrtc *Crtc); |
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100 | |||
101 | void (*FrameSet) (struct rhdCrtc *Crtc, CARD16 X, CARD16 Y); |
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102 | |||
103 | /* callback for pll setting lives here */ |
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104 | /* callback for lut setting lives here */ |
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105 | struct rhdCrtcLUTPrivate *LUTPriv; /* each CRTC subsystem may define this independently */ |
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106 | void (*LUTSelect) (struct rhdCrtc *Crtc, struct rhdLUT *LUT); |
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107 | void (*LUTSave) (struct rhdCrtc *Crtc); |
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108 | void (*LUTRestore) (struct rhdCrtc *Crtc); |
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109 | void (*LUTDestroy) (struct rhdCrtc *Crtc); |
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110 | |||
111 | void (*Power) (struct rhdCrtc *Crtc, int Power); |
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112 | void (*Blank) (struct rhdCrtc *Crtc, Bool Blank); |
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113 | }; |
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114 | |||
115 | Bool RHDCrtcsInit(RHDPtr rhdPtr); |
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116 | void RHDAtomCrtcsInit(RHDPtr rhdPtr); |
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117 | void RHDCrtcsDestroy(RHDPtr rhdPtr); |
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118 | void RHDCrtcSave(struct rhdCrtc *Crtc); |
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119 | void RHDCrtcRestore(struct rhdCrtc *Crtc); |
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120 | |||
121 | /* |
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122 | * Calculate overscan values for scaler. |
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123 | */ |
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124 | struct rhdScalerOverscan |
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125 | { |
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126 | int OverscanTop; |
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127 | int OverscanBottom; |
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128 | int OverscanLeft; |
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129 | int OverscanRight; |
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130 | enum rhdCrtcScaleType Type; |
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131 | }; |
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132 | |||
133 | extern struct rhdScalerOverscan |
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134 | rhdCalculateOverscan(DisplayModePtr Mode, |
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135 | DisplayModePtr ScaledToMode, |
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136 | enum rhdCrtcScaleType Type); |
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137 | |||
138 | |||
139 | #endif /* _RHD_CRTC_H */ |