forked from KolibriOS/kolibrios
140 lines
5.3 KiB
C
140 lines
5.3 KiB
C
/*
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* Copyright 2004-2008 Luc Verhaegen <lverhaegen@novell.com>
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* Copyright 2007, 2008 Matthias Hopf <mhopf@novell.com>
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* Copyright 2007, 2008 Egbert Eich <eich@novell.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _RHD_CRTC_H
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# define _RHD_CRTC_H
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struct rhdFMTDither {
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Bool LVDS24Bit;
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Bool LVDSSpatialDither;
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Bool LVDSTemporalDither;
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int LVDSGreyLevel;
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};
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enum rhdCrtcScaleType {
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RHD_CRTC_SCALE_TYPE_NONE, /* top left */
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RHD_CRTC_SCALE_TYPE_CENTER, /* center of the actual mode */
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RHD_CRTC_SCALE_TYPE_SCALE, /* scaled to fullscreen */
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RHD_CRTC_SCALE_TYPE_SCALE_KEEP_ASPECT_RATIO /* scaled to fullscreen */
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};
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#define RHD_CRTC_SCALE_TYPE_DEFAULT RHD_CRTC_SCALE_TYPE_SCALE_KEEP_ASPECT_RATIO
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struct rhdCrtc {
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int scrnIndex;
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char *Name;
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#define RHD_CRTC_1 0
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#define RHD_CRTC_2 1
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int Id; /* for others to hook onto */
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Bool Active;
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int Offset; /* Current offset */
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int bpp;
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int Pitch;
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int Width;
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int Height;
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int X, Y; /* Current frame */
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int MinX, MinY, MaxX, MaxY; /* Panning Area: Max != 0 if used */
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enum rhdCrtcScaleType ScaleType;
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struct rhdPLL *PLL; /* Currently attached PLL: move to private */
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struct rhdLUT *LUT; /* Currently attached LUT: move to private */
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struct rhdCursor *Cursor; /* Fixed to the MODE engine */
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DisplayModePtr CurrentMode;
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DisplayModePtr Modes; /* Validated ones: Cycle through these */
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DisplayModePtr ScaledToMode; /* usually a fixed mode from one of the monitors */
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struct rhdCrtcFMTPrivate *FMTPriv; /* each CRTC subsystem may define this independently */
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void (*FMTModeSet)(struct rhdCrtc *Crtc, struct rhdFMTDither *FMTDither);
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void (*FMTSave)(struct rhdCrtc *Crtc);
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void (*FMTRestore)(struct rhdCrtc *Crtc);
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void (*FMTDestroy) (struct rhdCrtc *Crtc);
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struct rhdCrtcFBPrivate *FBPriv; /* each CRTC subsystem may define this independently */
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ModeStatus (*FBValid) (struct rhdCrtc *Crtc, CARD16 Width, CARD16 Height,
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int bpp, CARD32 Offset, CARD32 Size, CARD32 *pPitch);
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void (*FBSet) (struct rhdCrtc *Crtc, CARD16 Pitch, CARD16 Width,
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CARD16 Height, int bpp, CARD32 Offset);
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void (*FBSave) (struct rhdCrtc *Crtc);
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void (*FBRestore) (struct rhdCrtc *Crtc);
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void (*FBDestroy) (struct rhdCrtc *Crtc);
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struct rhdCrtcModePrivate *ModePriv; /* each CRTC subsystem may define this independently */
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ModeStatus (*ModeValid) (struct rhdCrtc *Crtc, DisplayModePtr Mode);
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void (*ModeSet) (struct rhdCrtc *Crtc, DisplayModePtr Mode);
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void (*ModeSave) (struct rhdCrtc *Crtc);
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void (*ModeRestore) (struct rhdCrtc *Crtc);
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void (*ModeDestroy) (struct rhdCrtc *Crtc);
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struct rhdCrtcScalePrivate *ScalePriv; /* each CRTC subsystem may define this independently */
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ModeStatus (*ScaleValid) (struct rhdCrtc *Crtc, enum rhdCrtcScaleType Type, DisplayModePtr Mode, DisplayModePtr ScaledToMode);
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void (*ScaleSet) (struct rhdCrtc *Crtc, enum rhdCrtcScaleType Type, DisplayModePtr Mode, DisplayModePtr ScaledToMode);
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void (*ScaleSave) (struct rhdCrtc *Crtc);
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void (*ScaleRestore) (struct rhdCrtc *Crtc);
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void (*ScaleDestroy) (struct rhdCrtc *Crtc);
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void (*FrameSet) (struct rhdCrtc *Crtc, CARD16 X, CARD16 Y);
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/* callback for pll setting lives here */
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/* callback for lut setting lives here */
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struct rhdCrtcLUTPrivate *LUTPriv; /* each CRTC subsystem may define this independently */
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void (*LUTSelect) (struct rhdCrtc *Crtc, struct rhdLUT *LUT);
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void (*LUTSave) (struct rhdCrtc *Crtc);
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void (*LUTRestore) (struct rhdCrtc *Crtc);
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void (*LUTDestroy) (struct rhdCrtc *Crtc);
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Bool (*Power) (struct rhdCrtc *Crtc, int Power);
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void (*Blank) (struct rhdCrtc *Crtc, Bool Blank);
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};
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Bool RHDCrtcsInit(RHDPtr rhdPtr);
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void RHDAtomCrtcsInit(RHDPtr rhdPtr);
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void RHDCrtcsDestroy(RHDPtr rhdPtr);
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void RHDCrtcSave(struct rhdCrtc *Crtc);
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void RHDCrtcRestore(struct rhdCrtc *Crtc);
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/*
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* Calculate overscan values for scaler.
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*/
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struct rhdScalerOverscan
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{
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int OverscanTop;
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int OverscanBottom;
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int OverscanLeft;
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int OverscanRight;
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enum rhdCrtcScaleType Type;
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};
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extern struct rhdScalerOverscan
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rhdCalculateOverscan(DisplayModePtr Mode,
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DisplayModePtr ScaledToMode,
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enum rhdCrtcScaleType Type);
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#endif /* _RHD_CRTC_H */
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