71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
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/*
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* Generic card driving functions.
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* Essentially, cascades calls to fbdev and vesa to initialize cards that
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* do not have hardware-specific routines yet. Copied from the ati driver.
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*
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* Copyright (c) 2004 Brent Cook <busterb@mail.utexas.edu>
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*
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* This code is licensed under the GPL. See the file COPYING in the root
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* directory of the sources for details.
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*/
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#ifndef _BACKEND_H_
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#define _BACKEND_H_
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#include "kdrive.h"
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#ifdef KDRIVEFBDEV
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#include <fbdev.h>
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#endif
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#ifdef KDRIVEVESA
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#include <vesa.h>
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#endif
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typedef enum _BackendType {VESA, FBDEV} BackendType;
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typedef struct _BackendInfo {
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// backend info
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BackendType type;
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// backend internal structures
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union {
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#ifdef KDRIVEFBDEV
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FbdevPriv fbdev;
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#endif
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#ifdef KDRIVEVESA
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VesaCardPrivRec vesa;
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#endif
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} priv;
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// pointers to helper functions for this backend
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void (*cardfini)(KdCardInfo *);
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void (*scrfini)(KdScreenInfo *);
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Bool (*initScreen)(ScreenPtr);
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Bool (*finishInitScreen)(ScreenPtr pScreen);
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Bool (*createRes)(ScreenPtr);
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void (*preserve)(KdCardInfo *);
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void (*restore)(KdCardInfo *);
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Bool (*dpms)(ScreenPtr, int);
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Bool (*enable)(ScreenPtr);
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void (*disable)(ScreenPtr);
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void (*getColors)(ScreenPtr, int, int, xColorItem *);
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void (*putColors)(ScreenPtr, int, int, xColorItem *);
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} BackendInfo;
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typedef union _BackendScreen {
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#ifdef KDRIVEFBDEV
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FbdevScrPriv fbdev;
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#endif
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#ifdef KDRIVEVESA
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VesaScreenPrivRec vesa;
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#endif
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} BackendScreen;
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Bool
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backendInitialize(KdCardInfo *card, BackendInfo *backend);
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Bool
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backendScreenInitialize(KdScreenInfo *screen, BackendScreen *backendScreen,
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BackendInfo *backendCard);
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#endif
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