121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
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/**********************************************************
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* Copyright 2008-2009 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* 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
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* included in 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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**********************************************************/
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/*
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* svga.h --
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*
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* This is a simple example driver for the VMware SVGA device.
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* It handles initialization, register accesses, low-level
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* command FIFO writes, and host/guest synchronization.
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*/
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#ifndef __SVGA_H__
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#define __SVGA_H__
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#include "types.h"
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#include "pci.h"
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#include "intr.h"
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#include "svga_reg.h"
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#include "svga_escape.h"
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#include "svga_overlay.h"
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#include "svga3d_reg.h"
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typedef struct SVGADevice {
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PCIAddress pciAddr;
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uint32 ioBase;
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uint32 *fifoMem;
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uint8 *fbMem;
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uint32 fifoSize;
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uint32 fbSize;
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uint32 deviceVersionId;
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uint32 capabilities;
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uint32 width;
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uint32 height;
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uint32 bpp;
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uint32 pitch;
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struct {
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uint32 reservedSize;
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Bool usingBounceBuffer;
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uint8 bounceBuffer[1024 * 1024];
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uint32 nextFence;
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} fifo;
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struct {
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uint32 pending;
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uint32 switchContext;
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IntrContext oldContext;
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IntrContext newContext;
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uint32 count;
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} irq;
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} SVGADevice;
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extern SVGADevice gSVGA;
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void SVGA_Init(void);
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void SVGA_SetMode(uint32 width, uint32 height, uint32 bpp);
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void SVGA_Disable(void);
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void SVGA_Panic(const char *err);
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void SVGA_DefaultFaultHandler(int vector);
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uint32 SVGA_ReadReg(uint32 index);
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void SVGA_WriteReg(uint32 index, uint32 value);
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uint32 SVGA_ClearIRQ(void);
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uint32 SVGA_WaitForIRQ();
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Bool SVGA_IsFIFORegValid(int reg);
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Bool SVGA_HasFIFOCap(int cap);
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void *SVGA_FIFOReserve(uint32 bytes);
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void *SVGA_FIFOReserveCmd(uint32 type, uint32 bytes);
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void *SVGA_FIFOReserveEscape(uint32 nsid, uint32 bytes);
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void SVGA_FIFOCommit(uint32 bytes);
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void SVGA_FIFOCommitAll(void);
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uint32 SVGA_InsertFence(void);
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void SVGA_SyncToFence(uint32 fence);
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Bool SVGA_HasFencePassed(uint32 fence);
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void SVGA_RingDoorbell(void);
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/* 2D commands */
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void SVGA_Update(uint32 x, uint32 y, uint32 width, uint32 height);
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void SVGA_BeginDefineCursor(const SVGAFifoCmdDefineCursor *cursorInfo,
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void **andMask, void **xorMask);
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void SVGA_BeginDefineAlphaCursor(const SVGAFifoCmdDefineAlphaCursor *cursorInfo,
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void **data);
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void SVGA_MoveCursor(uint32 visible, uint32 x, uint32 y);
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void SVGA_BeginVideoSetRegs(uint32 streamId, uint32 numItems,
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SVGAEscapeVideoSetRegs **setRegs);
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void SVGA_VideoSetAllRegs(uint32 streamId, SVGAOverlayUnit *regs, uint32 maxReg);
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void SVGA_VideoSetReg(uint32 streamId, uint32 registerId, uint32 value);
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void SVGA_VideoFlush(uint32 streamId);
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#endif /* __SVGA_H__ */
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