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/**********************************************************
* Copyright 2008-2009 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************/
/*
* svga.h --
*
* This is a simple example driver for the VMware SVGA device.
* It handles initialization, register accesses, low-level
* command FIFO writes, and host/guest synchronization.
*/
#ifndef __SVGA_H__
#define __SVGA_H__
#include "types16.h"
#include "pci.h"
//#include "intr.h"
#define REALLY_TINY
// XXX: Shouldn't have to do this here.
//#define INLINE __inline__
#define INLINE inline
#include "svga_reg.h"
#include "svga_escape.h"
#include "svga_overlay.h"
#include "svga3d_reg.h"
typedef struct SVGADevice {
PCIAddress pciAddr; // 0
uint32 ioBase; // 4
uint32 FARP *fifoMem; // 8
uint8 FARP *fbMem; // 12
uint32 fifoSize; // 16
uint32 fifoLinear; // 20
uint16 fifoSel; // 22
uint16 fifoAct; // 24
uint32 fifoPhy;
uint32 fbSize;
uint32 fbLinear;
uint32 fbPhy;
uint32 vramSize;
uint32 deviceVersionId;
uint32 capabilities;
uint32 width;
uint32 height;
uint32 bpp;
uint32 pitch;
struct {
uint32 reservedSize;
#if 0
Bool usingBounceBuffer;
uint8 bounceBuffer[16 * 1024];
#else
uint32 bouncePhy;
uint32 bounceLinear;
uint8 FARP *bounceMem;
#endif
uint32 nextFence;
} fifo;
/* VMWare SVGAII and VBox SVGA is same device with different PCI ID */
uint16 vendorId;
uint16 deviceId;
/* adapter in QEMU works only on 32bit */
uint32 userFlags;
/* SVGA3 */
uint32 rmmio_start;
uint32 rmmio_size;
uint32 rmmio_linear;
volatile uint32 FARP *rmmio;
#ifndef REALLY_TINY
volatile struct {
uint32 pending;
uint32 switchContext;
IntrContext oldContext;
IntrContext newContext;
uint32 count;
} irq;
#else
volatile struct {
uint32 pending;
} irq;
#endif
} SVGADevice;
#define SVGA_BOUNCE_SIZE (16*1024)
/* SVGA working only on 32bpp modes */
#define SVGA_USER_FLAGS_32BITONLY 1
/* SVGA using HW cursor */
#define SVGA_USER_FLAGS_HWCURSOR 2
/* SVGA using alpha channel cursor */
#define SVGA_USER_FLAGS_ALPHA_CUR 4
/* SVGA surface 565 is broken (VBox bug) */
#define SVGA_USER_FLAGS_RGB565_BROKEN 8
/* limit SVGA VRAM to 128 MB */
#define SVGA_USER_FLAGS_128MB_MAX 16
extern SVGADevice gSVGA;
#ifndef VXD32
int __loadds SVGA_Init(Bool enableFIFO);
#else
int SVGA_Init(Bool enableFIFO, uint32 hwversion);
#endif
void SVGA_Enable(void);
void SVGA_SetModeLegacy(uint32 width, uint32 height, uint32 bpp);
void SVGA_Disable(void);
void SVGA_Panic(const char *err);
void SVGA_DefaultFaultHandler(int vector);
Bool SVGA_IsSVGA3();
void SVGA_MapIO();
uint8 SVGA_Install_IRQ();
void SVGA_Flush(void);
uint32 SVGA_ReadReg(uint32 index);
void SVGA_WriteReg(uint32 index, uint32 value);
uint32 SVGA_ClearIRQ(void);
uint32 SVGA_WaitForIRQ();
Bool SVGA_IsFIFORegValid(int reg);
Bool SVGA_HasFIFOCap(unsigned long cap);
void FARP *SVGA_FIFOReserve(uint32 bytes);
void FARP *SVGA_FIFOReserveCmd(uint32 type, uint32 bytes);
void FARP *SVGA_FIFOReserveEscape(uint32 nsid, uint32 bytes);
void SVGA_FIFOCommit(uint32 bytes);
void SVGA_FIFOCommitAll(void);
uint32 SVGA_InsertFence(void);
void SVGA_SyncToFence(uint32 fence);
Bool SVGA_HasFencePassed(uint32 fence);
void SVGA_RingDoorbell(void);
void FARP *SVGA_AllocGMR(uint32 size, SVGAGuestPtr FARP *ptr);
/* 2D commands */
void SVGA_Update(uint32 x, uint32 y, uint32 width, uint32 height);
void SVGA_BeginDefineCursor(const SVGAFifoCmdDefineCursor FARP *cursorInfo,
void FARP * FARP *andMask, void FARP * FARP *xorMask);
void SVGA_BeginDefineAlphaCursor(const SVGAFifoCmdDefineAlphaCursor FARP *cursorInfo,
void FARP * FARP *data);
void SVGA_MoveCursor(uint32 visible, uint32 x, uint32 y, uint32 screenId);
void SVGA_BeginVideoSetRegs(uint32 streamId, uint32 numItems,
SVGAEscapeVideoSetRegs FARP * FARP *setRegs);
void SVGA_VideoSetAllRegs(uint32 streamId, SVGAOverlayUnit FARP *regs, uint32 maxReg);
void SVGA_VideoSetReg(uint32 streamId, uint32 registerId, uint32 value);
void SVGA_VideoFlush(uint32 streamId);
#endif /* __SVGA_H__ */
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