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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga.h,v 1.85 2002/12/16 16:19:17 dawes Exp $ */
/*
* MGA Millennium (MGA2064W) functions
*
* Copyright 1996 The XFree86 Project, Inc.
*
* Authors
* Dirk Hohndel
* hohndel@XFree86.Org
* David Dawes
* dawes@XFree86.Org
*/
#ifndef MGA_H
#define MGA_H
#include "xf86drm.h"
#include "linux/types.h"
#define PCI_CHIP_MGA2085 0x0518
#define PCI_CHIP_MGA2064 0x0519
#define PCI_CHIP_MGA1064 0x051A
#define PCI_CHIP_MGA2164 0x051B
#define PCI_CHIP_MGA2164_AGP 0x051F
#define PCI_CHIP_MGAG200_PCI 0x0520
#define PCI_CHIP_MGAG200 0x0521
#define PCI_CHIP_MGAG400 0x0525
#define PCI_CHIP_MGAG550 0x2527
#define PCI_CHIP_MGAG100_PCI 0x1000
#define PCI_CHIP_MGAG100 0x1001
# define MMIO_IN8(base, offset) \
*(volatile unsigned char *)(((unsigned char*)(base)) + (offset))
# define MMIO_IN16(base, offset) \
*(volatile unsigned short *)(void *)(((unsigned char*)(base)) + (offset))
# define MMIO_IN32(base, offset) \
*(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset))
# define MMIO_OUT8(base, offset, val) \
*(volatile unsigned char *)(((unsigned char*)(base)) + (offset)) = (val)
# define MMIO_OUT16(base, offset, val) \
*(volatile unsigned short *)(void *)(((unsigned char*)(base)) + (offset)) = (val)
# define MMIO_OUT32(base, offset, val) \
*(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset)) = (val)
#define INREG8(addr) MMIO_IN8(pMga->IOBase, addr)
#define INREG16(addr) MMIO_IN16(pMga->IOBase, addr)
#define INREG(addr) MMIO_IN32(pMga->IOBase, addr)
#define OUTREG8(addr, val) MMIO_OUT8(pMga->IOBase, addr, val)
#define OUTREG16(addr, val) MMIO_OUT16(pMga->IOBase, addr, val)
#define OUTREG(addr, val) MMIO_OUT32(pMga->IOBase, addr, val)
#define MGAIOMAPSIZE 0x00004000
typedef struct {
int Chipset; /**< \brief Chipset number */
int irq; /**< \brief IRQ number */
int frontOffset; /**< \brief Front color buffer offset */
int frontPitch; /**< \brief Front color buffer pitch */
int backOffset; /**< \brief Back color buffer offset */
int backPitch; /**< \brief Back color buffer pitch */
int depthOffset; /**< \brief Depth buffer offset */
int depthPitch; /**< \brief Depth buffer pitch */
int textureOffset; /**< \brief Texture area offset */
int textureSize; /**< \brief Texture area size */
int logTextureGranularity;
/**
* \name AGP
*/
/*@{*/
drmSize agpSize; /**< \brief AGP map size */
int agpMode; /**< \brief AGP mode */
/*@}*/
drmRegion agp;
/* PCI mappings */
drmRegion registers;
drmRegion status;
/* AGP mappings */
drmRegion warp;
drmRegion primary;
drmRegion buffers;
drmRegion agpTextures;
drmBufMapPtr drmBuffers;
unsigned long IOAddress;
unsigned char *IOBase;
int HasSDRAM;
__u32 reg_ien;
} MGARec, *MGAPtr;
#define MGA_FRONT 0x1
#define MGA_BACK 0x2
#define MGA_DEPTH 0x4
#define MGA_AGP_1X_MODE 0x01
#define MGA_AGP_2X_MODE 0x02
#define MGA_AGP_4X_MODE 0x04
#define MGA_AGP_MODE_MASK 0x07
#endif
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