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-rw-r--r--src/mesa/drivers/dri/mga/server/mga.h115
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_bios.h143
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_common.h152
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_dri.c1136
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_dri.h84
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_macros.h118
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_reg.h484
-rw-r--r--src/mesa/drivers/dri/mga/server/mga_sarea.h222
8 files changed, 2454 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mga/server/mga.h b/src/mesa/drivers/dri/mga/server/mga.h
new file mode 100644
index 0000000000..830d48d859
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga.h
@@ -0,0 +1,115 @@
+/* $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
diff --git a/src/mesa/drivers/dri/mga/server/mga_bios.h b/src/mesa/drivers/dri/mga/server/mga_bios.h
new file mode 100644
index 0000000000..8fbf619e34
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_bios.h
@@ -0,0 +1,143 @@
+/* $XConsortium: mga_bios.h /main/2 1996/10/28 04:48:23 kaleb $ */
+#ifndef MGA_BIOS_H
+#define MGA_BIOS_H
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_bios.h,v 1.3 1998/07/25 16:55:51 dawes Exp $ */
+
+/*
+ * MGABiosInfo - This struct describes the video BIOS info block.
+ *
+ * DESCRIPTION
+ * Do not mess with this, unless you know what you are doing.
+ * The data lengths and types are critical.
+ *
+ * HISTORY
+ * October 7, 1996 - [aem] Andrew E. Mileski
+ * This struct was shamelessly stolen from the MGA DDK.
+ * It has been reformatted, and the data types changed.
+ */
+typedef struct {
+ /* Length of this structure in bytes */
+ __u16 StructLen;
+
+ /*
+ * Unique number identifying the product type
+ * 0 : MGA-S1P20 (2MB base with 175MHz Ramdac)
+ * 1 : MGA-S1P21 (2MB base with 220MHz Ramdac)
+ * 2 : Reserved
+ * 3 : Reserved
+ * 4 : MGA-S1P40 (4MB base with 175MHz Ramdac)
+ * 5 : MGA-S1P41 (4MB base with 220MHz Ramdac)
+ */
+ __u16 ProductID;
+
+ /* Serial number of the board */
+ __u8 SerNo[ 10 ];
+
+ /*
+ * Manufacturing date of the board (at product test)
+ * Format: yyyy yyym mmmd dddd
+ */
+ __u16 ManufDate;
+
+ /* Identification of manufacturing site */
+ __u16 ManufId;
+
+ /*
+ * Number and revision level of the PCB
+ * Format: nnnn nnnn nnnr rrrr
+ * n = PCB number ex:576 (from 0->2047)
+ * r = PCB revision (from 0->31)
+ */
+ __u16 PCBInfo;
+
+ /* Identification of any PMBs */
+ __u16 PMBInfo;
+
+ /*
+ * Bit 0-7 : Ramdac speed (0=175MHz, 1=220MHz)
+ * Bit 8-15 : Ramdac type (0=TVP3026, 1=TVP3027)
+ */
+ __u16 RamdacType;
+
+ /* Maximum PCLK of the ramdac */
+ __u16 PclkMax;
+
+ /* Maximum LDCLK supported by the WRAM memory */
+ __u16 LclkMax;
+
+ /* Maximum MCLK of base board */
+ __u16 ClkBase;
+
+ /* Maximum MCLK of 4Mb board */
+ __u16 Clk4MB;
+
+ /* Maximum MCLK of 8Mb board */
+ __u16 Clk8MB;
+
+ /* Maximum MCLK of board with multimedia module */
+ __u16 ClkMod;
+
+ /* Diagnostic test pass frequency */
+ __u16 TestClk;
+
+ /* Default VGA mode1 pixel frequency */
+ __u16 VGAFreq1;
+
+ /* Default VGA mode2 pixel frequency */
+ __u16 VGAFreq2;
+
+ /* Date of last BIOS programming/update */
+ __u16 ProgramDate;
+
+ /* Number of times BIOS has been programmed */
+ __u16 ProgramCnt;
+
+ /* Support for up to 32 hardware/software options */
+ __u32 Options;
+
+ /* Support for up to 32 hardware/software features */
+ __u32 FeatFlag;
+
+ /* Definition of VGA mode MCLK */
+ __u16 VGAClk;
+
+ /* Indicate the revision level of this header struct */
+ __u16 StructRev;
+
+ __u16 Reserved[ 3 ];
+} MGABiosInfo;
+
+/* from the PINS structure, refer pins info from MGA */
+typedef struct tagParamMGA {
+ __u16 PinID; /* 0 */
+ __u8 StructLen; /* 2 */
+ __u8 Rsvd1; /* 3 */
+ __u16 StructRev; /* 4 */
+ __u16 ProgramDate; /* 6 */
+ __u16 ProgramCnt; /* 8 */
+ __u16 ProductID; /* 10 */
+ __u8 SerNo[16]; /* 12 */
+ __u8 PLInfo[6]; /* 28 */
+ __u16 PCBInfo; /* 34 */
+ __u32 FeatFlag; /* 36 */
+ __u8 RamdacType; /* 40 */
+ __u8 RamdacSpeed; /* 41 */
+ __u8 PclkMax; /* 42 */
+ __u8 ClkGE; /* 43 */
+ __u8 ClkMem; /* 44 */
+ __u8 Clk4MB; /* 45 */
+ __u8 Clk8MB; /* 46 */
+ __u8 ClkMod; /* 47 */
+ __u8 TestClk; /* 48 */
+ __u8 VGAFreq1; /* 49 */
+ __u8 VGAFreq2; /* 50 */
+ __u8 MCTLWTST; /* 51 */
+ __u8 VidCtrl; /* 52 */
+ __u8 Clk12MB; /* 53 */
+ __u8 Clk16MB; /* 54 */
+ __u8 Reserved[8]; /* 55-62 */
+ __u8 PinCheck; /* 63 */
+} MGABios2Info;
+
+#endif
diff --git a/src/mesa/drivers/dri/mga/server/mga_common.h b/src/mesa/drivers/dri/mga/server/mga_common.h
new file mode 100644
index 0000000000..90f6b37f4e
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_common.h
@@ -0,0 +1,152 @@
+/* mga_common.h -- common header definitions for MGA 2D/3D/DRM suite
+ *
+ * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 (including the next
+ * paragraph) 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
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+ *
+ * Converted to common header format:
+ * Jens Owen <jens@tungstengraphics.com>
+ *
+ * $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_common.h,v 1.2 2002/12/16 16:19:18 dawes Exp $
+ *
+ */
+
+#ifndef _MGA_COMMON_H_
+#define _MGA_COMMON_H_
+
+/*
+ * WARNING: If you change any of these defines, make sure to change
+ * the kernel include file as well (mga_drm.h)
+ */
+
+#define DRM_MGA_IDLE_RETRY 2048
+#define DRM_MGA_NR_TEX_HEAPS 2
+
+typedef struct {
+ int installed;
+ unsigned long phys_addr;
+ int size;
+} drmMGAWarpIndex;
+
+/* Driver specific DRM command indices
+ * NOTE: these are not OS specific, but they are driver specific
+ */
+#define DRM_MGA_INIT 0x00
+#define DRM_MGA_FLUSH 0x01
+#define DRM_MGA_RESET 0x02
+#define DRM_MGA_SWAP 0x03
+#define DRM_MGA_CLEAR 0x04
+#define DRM_MGA_VERTEX 0x05
+#define DRM_MGA_INDICES 0x06
+#define DRM_MGA_ILOAD 0x07
+#define DRM_MGA_BLIT 0x08
+#define DRM_MGA_GETPARAM 0x09
+
+typedef struct {
+ enum {
+ MGA_INIT_DMA = 0x01,
+ MGA_CLEANUP_DMA = 0x02
+ } func;
+
+ unsigned long sarea_priv_offset;
+
+ int chipset;
+ int sgram;
+
+ unsigned int maccess;
+
+ unsigned int fb_cpp;
+ unsigned int front_offset, front_pitch;
+ unsigned int back_offset, back_pitch;
+
+ unsigned int depth_cpp;
+ unsigned int depth_offset, depth_pitch;
+
+ unsigned int texture_offset[DRM_MGA_NR_TEX_HEAPS];
+ unsigned int texture_size[DRM_MGA_NR_TEX_HEAPS];
+
+ unsigned long fb_offset;
+ unsigned long mmio_offset;
+ unsigned long status_offset;
+ unsigned long warp_offset;
+ unsigned long primary_offset;
+ unsigned long buffers_offset;
+} drmMGAInit;
+
+typedef enum {
+ DRM_MGA_LOCK_READY = 0x01, /* Wait until hardware is ready for DMA */
+ DRM_MGA_LOCK_QUIESCENT = 0x02, /* Wait until hardware quiescent */
+ DRM_MGA_LOCK_FLUSH = 0x04, /* Flush this context's DMA queue first */
+ DRM_MGA_LOCK_FLUSH_ALL = 0x08, /* Flush all DMA queues first */
+ /* These *HALT* flags aren't supported yet
+ -- they will be used to support the
+ full-screen DGA-like mode. */
+ DRM_MGA_HALT_ALL_QUEUES = 0x10, /* Halt all current and future queues */
+ DRM_MGA_HALT_CUR_QUEUES = 0x20 /* Halt all current queues */
+} drmMGALockFlags;
+
+typedef struct {
+ int context;
+ drmMGALockFlags flags;
+} drmMGALock;
+
+typedef struct {
+ int idx;
+ unsigned int dstorg;
+ unsigned int length;
+} drmMGAIload;
+
+typedef struct {
+ unsigned int flags;
+ unsigned int clear_color;
+ unsigned int clear_depth;
+ unsigned int color_mask;
+ unsigned int depth_mask;
+} drmMGAClearRec;
+
+typedef struct {
+ int idx; /* buffer to queue */
+ int used; /* bytes in use */
+ int discard; /* client finished with buffer? */
+} drmMGAVertex;
+
+typedef struct {
+ unsigned int planemask;
+ unsigned int srcorg;
+ unsigned int dstorg;
+ int src_pitch, dst_pitch;
+ int delta_sx, delta_sy;
+ int delta_dx, delta_dy;
+ int height, ydir; /* flip image vertically */
+ int source_pitch, dest_pitch;
+} drmMGABlit;
+
+/* 3.1: An ioctl to get parameters that aren't available to the 3d
+ * client any other way.
+ */
+#define MGA_PARAM_IRQ_NR 1
+
+typedef struct {
+ int param;
+ int *value;
+} drmMGAGetParam;
+
+#endif
diff --git a/src/mesa/drivers/dri/mga/server/mga_dri.c b/src/mesa/drivers/dri/mga/server/mga_dri.c
new file mode 100644
index 0000000000..19ddb38510
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_dri.c
@@ -0,0 +1,1136 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.c,v 1.28 2003/02/08 21:26:58 dawes Exp $ */
+
+/*
+ * Copyright 2000 VA Linux Systems Inc., Fremont, California.
+ * 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 (including the next
+ * paragraph) 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
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Gareth Hughes <gareth@valinux.com>
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "driver.h"
+#include "drm.h"
+
+#include "mga_reg.h"
+#include "mga.h"
+#include "mga_macros.h"
+#include "mga_dri.h"
+#include "mga_sarea.h"
+
+#include "sarea.h"
+
+
+
+/* Quiescence, locking
+ */
+#define MGA_TIMEOUT 2048
+
+static void MGAWaitForIdleDMA( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ drmMGALock lock;
+ int ret;
+ int i = 0;
+
+ memset( &lock, 0, sizeof(drmMGALock) );
+
+ for (;;) {
+ do {
+ /* first ask for quiescent and flush */
+ lock.flags = DRM_MGA_LOCK_QUIESCENT | DRM_MGA_LOCK_FLUSH;
+ do {
+ ret = drmCommandWrite( ctx->drmFD, DRM_MGA_FLUSH,
+ &lock, sizeof( drmMGALock ) );
+ } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
+
+ /* if it's still busy just try quiescent */
+ if ( ret == -EBUSY ) {
+ lock.flags = DRM_MGA_LOCK_QUIESCENT;
+ do {
+ ret = drmCommandWrite( ctx->drmFD, DRM_MGA_FLUSH,
+ &lock, sizeof( drmMGALock ) );
+ } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
+ }
+ } while ( ( ret == -EBUSY ) && ( i++ < MGA_TIMEOUT ) );
+
+ if ( ret == 0 )
+ return;
+
+ fprintf( stderr,
+ "[dri] Idle timed out, resetting engine...\n" );
+
+ drmCommandNone( ctx->drmFD, DRM_MGA_RESET );
+ }
+}
+
+static unsigned int mylog2( unsigned int n )
+{
+ unsigned int log2 = 1;
+ while ( n > 1 ) n >>= 1, log2++;
+ return log2;
+}
+
+static int MGADRIAgpInit(struct DRIDriverContextRec *ctx, MGAPtr pMga)
+{
+ unsigned long mode;
+ unsigned int vendor, device;
+ int ret, count, i;
+
+ if(pMga->agpSize < 12)pMga->agpSize = 12;
+ if(pMga->agpSize > 64)pMga->agpSize = 64; /* cap */
+
+ /* FIXME: Make these configurable...
+ */
+ pMga->agp.size = pMga->agpSize * 1024 * 1024;
+
+ pMga->warp.offset = 0;
+ pMga->warp.size = MGA_WARP_UCODE_SIZE;
+
+ pMga->primary.offset = (pMga->warp.offset +
+ pMga->warp.size);
+ pMga->primary.size = 1024 * 1024;
+
+ pMga->buffers.offset = (pMga->primary.offset +
+ pMga->primary.size);
+ pMga->buffers.size = MGA_NUM_BUFFERS * MGA_BUFFER_SIZE;
+
+
+ pMga->agpTextures.offset = (pMga->buffers.offset +
+ pMga->buffers.size);
+
+ pMga->agpTextures.size = pMga->agp.size -
+ pMga->agpTextures.offset;
+
+ if ( drmAgpAcquire( ctx->drmFD ) < 0 ) {
+ fprintf( stderr, "[agp] AGP not available\n" );
+ return 0;
+ }
+
+ mode = drmAgpGetMode( ctx->drmFD ); /* Default mode */
+ vendor = drmAgpVendorId( ctx->drmFD );
+ device = drmAgpDeviceId( ctx->drmFD );
+
+ mode &= ~MGA_AGP_MODE_MASK;
+ switch ( pMga->agpMode ) {
+ case 4:
+ mode |= MGA_AGP_4X_MODE;
+ case 2:
+ mode |= MGA_AGP_2X_MODE;
+ case 1:
+ default:
+ mode |= MGA_AGP_1X_MODE;
+ }
+
+#if 0
+ fprintf( stderr,
+ "[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n",
+ mode, vendor, device,
+ ctx->pciVendor,
+ ctx->pciChipType );
+#endif
+
+ if ( drmAgpEnable( ctx->drmFD, mode ) < 0 ) {
+ fprintf( stderr, "[agp] AGP not enabled\n" );
+ drmAgpRelease( ctx->drmFD );
+ return 0;
+ }
+
+ if ( pMga->Chipset == PCI_CHIP_MGAG200 ) {
+ switch ( pMga->agpMode ) {
+ case 2:
+ fprintf( stderr,
+ "[drm] Enabling AGP 2x PLL encoding\n" );
+ OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_ENABLE );
+ break;
+
+ case 1:
+ default:
+ fprintf( stderr,
+ "[drm] Disabling AGP 2x PLL encoding\n" );
+ OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_DISABLE );
+ pMga->agpMode = 1;
+ break;
+ }
+ }
+
+ ret = drmAgpAlloc( ctx->drmFD, pMga->agp.size,
+ 0, NULL, &pMga->agp.handle );
+ if ( ret < 0 ) {
+ fprintf( stderr, "[agp] Out of memory (%d)\n", ret );
+ drmAgpRelease( ctx->drmFD );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] %d kB allocated with handle 0x%08x\n",
+ pMga->agp.size/1024, (unsigned int)pMga->agp.handle );
+
+ if ( drmAgpBind( ctx->drmFD, pMga->agp.handle, 0 ) < 0 ) {
+ fprintf( stderr, "[agp] Could not bind memory\n" );
+ drmAgpFree( ctx->drmFD, pMga->agp.handle );
+ drmAgpRelease( ctx->drmFD );
+ return 0;
+ }
+
+ /* WARP microcode space
+ */
+ if ( drmAddMap( ctx->drmFD,
+ pMga->warp.offset,
+ pMga->warp.size,
+ DRM_AGP, DRM_READ_ONLY,
+ &pMga->warp.handle ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not add WARP microcode mapping\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] WARP microcode handle = 0x%08lx\n",
+ pMga->warp.handle );
+
+ if ( drmMap( ctx->drmFD,
+ pMga->warp.handle,
+ pMga->warp.size,
+ &pMga->warp.map ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not map WARP microcode\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] WARP microcode mapped at 0x%08lx\n",
+ (unsigned long)pMga->warp.map );
+
+ /* Primary DMA space
+ */
+ if ( drmAddMap( ctx->drmFD,
+ pMga->primary.offset,
+ pMga->primary.size,
+ DRM_AGP, DRM_READ_ONLY,
+ &pMga->primary.handle ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not add primary DMA mapping\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] Primary DMA handle = 0x%08lx\n",
+ pMga->primary.handle );
+
+ if ( drmMap( ctx->drmFD,
+ pMga->primary.handle,
+ pMga->primary.size,
+ &pMga->primary.map ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not map primary DMA\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] Primary DMA mapped at 0x%08lx\n",
+ (unsigned long)pMga->primary.map );
+
+ /* DMA buffers
+ */
+ if ( drmAddMap( ctx->drmFD,
+ pMga->buffers.offset,
+ pMga->buffers.size,
+ DRM_AGP, 0,
+ &pMga->buffers.handle ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not add DMA buffers mapping\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] DMA buffers handle = 0x%08lx\n",
+ pMga->buffers.handle );
+
+ if ( drmMap( ctx->drmFD,
+ pMga->buffers.handle,
+ pMga->buffers.size,
+ &pMga->buffers.map ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not map DMA buffers\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] DMA buffers mapped at 0x%08lx\n",
+ (unsigned long)pMga->buffers.map );
+
+ count = drmAddBufs( ctx->drmFD,
+ MGA_NUM_BUFFERS, MGA_BUFFER_SIZE,
+ DRM_AGP_BUFFER, pMga->buffers.offset );
+ if ( count <= 0 ) {
+ fprintf( stderr,
+ "[drm] failure adding %d %d byte DMA buffers\n",
+ MGA_NUM_BUFFERS, MGA_BUFFER_SIZE );
+ return 0;
+ }
+ fprintf( stderr,
+ "[drm] Added %d %d byte DMA buffers\n",
+ count, MGA_BUFFER_SIZE );
+
+ i = mylog2(pMga->agpTextures.size / MGA_NR_TEX_REGIONS);
+ if(i < MGA_LOG_MIN_TEX_REGION_SIZE)
+ i = MGA_LOG_MIN_TEX_REGION_SIZE;
+ pMga->agpTextures.size = (pMga->agpTextures.size >> i) << i;
+
+ if ( drmAddMap( ctx->drmFD,
+ pMga->agpTextures.offset,
+ pMga->agpTextures.size,
+ DRM_AGP, 0,
+ &pMga->agpTextures.handle ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not add agpTexture mapping\n" );
+ return 0;
+ }
+/* should i map it ? */
+ fprintf( stderr,
+ "[agp] agpTexture handle = 0x%08lx\n",
+ pMga->agpTextures.handle );
+ fprintf( stderr,
+ "[agp] agpTexture size: %d kb\n", pMga->agpTextures.size/1024 );
+
+ return 1;
+}
+
+static int MGADRIMapInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ pMga->registers.size = MGAIOMAPSIZE;
+
+ if ( drmAddMap( ctx->drmFD,
+ (drmHandle)pMga->IOAddress,
+ pMga->registers.size,
+ DRM_REGISTERS, DRM_READ_ONLY,
+ &pMga->registers.handle ) < 0 ) {
+ fprintf( stderr,
+ "[drm] Could not add MMIO registers mapping\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[drm] Registers handle = 0x%08lx\n",
+ pMga->registers.handle );
+
+ pMga->status.size = SAREA_MAX;
+
+ if ( drmAddMap( ctx->drmFD, 0, pMga->status.size,
+ DRM_SHM, DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL,
+ &pMga->status.handle ) < 0 ) {
+ fprintf( stderr,
+ "[drm] Could not add status page mapping\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[drm] Status handle = 0x%08lx\n",
+ pMga->status.handle );
+
+ if ( drmMap( ctx->drmFD,
+ pMga->status.handle,
+ pMga->status.size,
+ &pMga->status.map ) < 0 ) {
+ fprintf( stderr,
+ "[agp] Could not map status page\n" );
+ return 0;
+ }
+ fprintf( stderr,
+ "[agp] Status page mapped at 0x%08lx\n",
+ (unsigned long)pMga->status.map );
+
+ return 1;
+}
+
+static int MGADRIKernelInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ drmMGAInit init;
+ int ret;
+
+ memset( &init, 0, sizeof(drmMGAInit) );
+
+ init.func = MGA_INIT_DMA;
+ init.sarea_priv_offset = sizeof(XF86DRISAREARec);
+
+ switch ( pMga->Chipset ) {
+ case PCI_CHIP_MGAG550:
+ case PCI_CHIP_MGAG400:
+ init.chipset = MGA_CARD_TYPE_G400;
+ break;
+ case PCI_CHIP_MGAG200:
+ case PCI_CHIP_MGAG200_PCI:
+ init.chipset = MGA_CARD_TYPE_G200;
+ break;
+ default:
+ return 0;
+ }
+
+ init.sgram = 0; /* FIXME !pMga->HasSDRAM; */
+
+
+ switch (ctx->bpp)
+ {
+ case 16:
+ init.maccess = MGA_MACCESS_PW16;
+ break;
+ case 32:
+ init.maccess = MGA_MACCESS_PW32;
+ break;
+ default:
+ fprintf( stderr, "[mga] invalid bpp (%d)\n", ctx->bpp );
+ return 0;
+ }
+
+
+ init.fb_cpp = ctx->bpp / 8;
+ init.front_offset = pMga->frontOffset;
+ init.front_pitch = pMga->frontPitch / init.fb_cpp;
+ init.back_offset = pMga->backOffset;
+ init.back_pitch = pMga->backPitch / init.fb_cpp;
+
+ init.depth_cpp = ctx->bpp / 8;
+ init.depth_offset = pMga->depthOffset;
+ init.depth_pitch = pMga->depthPitch / init.depth_cpp;
+
+ init.texture_offset[0] = pMga->textureOffset;
+ init.texture_size[0] = pMga->textureSize;
+
+ init.fb_offset = ctx->shared.hFrameBuffer;
+ init.mmio_offset = pMga->registers.handle;
+ init.status_offset = pMga->status.handle;
+
+ init.warp_offset = pMga->warp.handle;
+ init.primary_offset = pMga->primary.handle;
+ init.buffers_offset = pMga->buffers.handle;
+
+ init.texture_offset[1] = pMga->agpTextures.handle;
+ init.texture_size[1] = pMga->agpTextures.size;
+
+ ret = drmCommandWrite( ctx->drmFD, DRM_MGA_INIT, &init, sizeof(drmMGAInit));
+ if ( ret < 0 ) {
+ fprintf( stderr,
+ "[drm] Failed to initialize DMA! (%d)\n", ret );
+ return 0;
+ }
+
+ return 1;
+}
+
+static void MGADRIIrqInit(struct DRIDriverContextRec *ctx, MGAPtr pMga)
+{
+ if (!pMga->irq)
+ {
+ pMga->irq = drmGetInterruptFromBusID(ctx->drmFD,
+ ctx->pciBus,
+ ctx->pciDevice,
+ ctx->pciFunc);
+
+ fprintf(stderr, "[drm] got IRQ %d\n", pMga->irq);
+
+ if((drmCtlInstHandler(ctx->drmFD, pMga->irq)) != 0)
+ {
+ fprintf(stderr,
+ "[drm] failure adding irq handler, "
+ "there is a device already using that irq\n"
+ "[drm] falling back to irq-free operation\n");
+ pMga->irq = 0;
+ }
+ else
+ {
+ pMga->reg_ien = INREG( MGAREG_IEN );
+ }
+ }
+
+ if (pMga->irq)
+ fprintf(stderr,
+ "[drm] dma control initialized, using IRQ %d\n",
+ pMga->irq);
+}
+
+static int MGADRIBuffersInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ pMga->drmBuffers = drmMapBufs( ctx->drmFD );
+ if ( !pMga->drmBuffers )
+ {
+ fprintf( stderr,
+ "[drm] Failed to map DMA buffers list\n" );
+ return 0;
+ }
+
+ fprintf( stderr,
+ "[drm] Mapped %d DMA buffers\n",
+ pMga->drmBuffers->count );
+
+ return 1;
+}
+
+static int MGAMemoryInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ int width_bytes = ctx->shared.virtualWidth * ctx->cpp;
+ int bufferSize = ((ctx->shared.virtualHeight * width_bytes
+ + MGA_BUFFER_ALIGN)
+ & ~MGA_BUFFER_ALIGN);
+ int depthSize = ((((ctx->shared.virtualHeight+15) & ~15) * width_bytes
+ + MGA_BUFFER_ALIGN)
+ & ~MGA_BUFFER_ALIGN);
+ int l;
+
+ pMga->frontOffset = 0;
+ pMga->frontPitch = ctx->shared.virtualWidth * ctx->cpp;
+
+ fprintf(stderr,
+ "Using %d MB AGP aperture\n", pMga->agpSize);
+ fprintf(stderr,
+ "Using %d MB for vertex/indirect buffers\n", pMga->buffers.size>>20);
+ fprintf(stderr,
+ "Using %d MB for AGP textures\n", pMga->agpTextures.size>>20);
+
+ /* Front, back and depth buffers - everything else texture??
+ */
+ pMga->textureSize = ctx->shared.fbSize - 2 * bufferSize - depthSize;
+
+ if (pMga->textureSize < 0)
+ return 0;
+
+ l = mylog2( pMga->textureSize / MGA_NR_TEX_REGIONS );
+ if ( l < MGA_LOG_MIN_TEX_REGION_SIZE )
+ l = MGA_LOG_MIN_TEX_REGION_SIZE;
+
+ /* Round the texture size up to the nearest whole number of
+ * texture regions. Again, be greedy about this, don't
+ * round down.
+ */
+ pMga->logTextureGranularity = l;
+ pMga->textureSize = (pMga->textureSize >> l) << l;
+
+ /* Set a minimum usable local texture heap size. This will fit
+ * two 256x256x32bpp textures.
+ */
+ if (pMga->textureSize < 512 * 1024) {
+ pMga->textureOffset = 0;
+ pMga->textureSize = 0;
+ }
+
+ /* Reserve space for textures */
+ pMga->textureOffset = ((ctx->shared.fbSize - pMga->textureSize +
+ MGA_BUFFER_ALIGN) &
+ ~MGA_BUFFER_ALIGN);
+
+ /* Reserve space for the shared depth
+ * buffer.
+ */
+ pMga->depthOffset = ((pMga->textureOffset - depthSize +
+ MGA_BUFFER_ALIGN) &
+ ~MGA_BUFFER_ALIGN);
+ pMga->depthPitch = ctx->shared.virtualWidth * ctx->cpp;
+
+ pMga->backOffset = ((pMga->depthOffset - bufferSize +
+ MGA_BUFFER_ALIGN) &
+ ~MGA_BUFFER_ALIGN);
+ pMga->backPitch = ctx->shared.virtualWidth * ctx->cpp;
+
+
+ fprintf(stderr,
+ "Will use back buffer at offset 0x%x\n",
+ pMga->backOffset);
+ fprintf(stderr,
+ "Will use depth buffer at offset 0x%x\n",
+ pMga->depthOffset);
+ fprintf(stderr,
+ "Will use %d kb for textures at offset 0x%x\n",
+ pMga->textureSize/1024, pMga->textureOffset);
+
+ return 1;
+}
+
+static int MGACheckDRMVersion( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ drmVersionPtr version;
+
+ /* Check the MGA DRM version */
+ version = drmGetVersion(ctx->drmFD);
+ if ( version ) {
+ if ( version->version_major != 3 ||
+ version->version_minor < 0 ) {
+ /* incompatible drm version */
+ fprintf( stderr,
+ "[dri] MGADRIScreenInit failed because of a version mismatch.\n"
+ "[dri] mga.o kernel module version is %d.%d.%d but version 3.0.x is needed.\n"
+ "[dri] Disabling DRI.\n",
+ version->version_major,
+ version->version_minor,
+ version->version_patchlevel );
+ drmFreeVersion( version );
+ return 0;
+ }
+ drmFreeVersion( version );
+ }
+
+ return 1;
+}
+
+static void print_client_msg( MGADRIPtr pMGADRI )
+{
+ fprintf( stderr, "chipset: %d\n", pMGADRI->chipset );
+
+ fprintf( stderr, "width: %d\n", pMGADRI->width );
+ fprintf( stderr, "height: %d\n", pMGADRI->height );
+ fprintf( stderr, "mem: %d\n", pMGADRI->mem );
+ fprintf( stderr, "cpp: %d\n", pMGADRI->cpp );
+
+ fprintf( stderr, "agpMode: %d\n", pMGADRI->agpMode );
+
+ fprintf( stderr, "frontOffset: %d\n", pMGADRI->frontOffset );
+ fprintf( stderr, "frontPitch: %d\n", pMGADRI->frontPitch );
+
+ fprintf( stderr, "backOffset: %d\n", pMGADRI->backOffset );
+ fprintf( stderr, "backPitch: %d\n", pMGADRI->backPitch );
+
+ fprintf( stderr, "depthOffset: %d\n", pMGADRI->depthOffset );
+ fprintf( stderr, "depthPitch: %d\n", pMGADRI->depthPitch );
+
+ fprintf( stderr, "textureOffset: %d\n", pMGADRI->textureOffset );
+ fprintf( stderr, "textureSize: %d\n", pMGADRI->textureSize );
+
+ fprintf( stderr, "logTextureGranularity: %d\n", pMGADRI->logTextureGranularity );
+ fprintf( stderr, "logAgpTextureGranularity: %d\n", pMGADRI->logAgpTextureGranularity );
+
+ fprintf( stderr, "agpTextureHandle: %u\n", (unsigned int)pMGADRI->agpTextureOffset );
+ fprintf( stderr, "agpTextureSize: %u\n", (unsigned int)pMGADRI->agpTextureSize );
+
+#if 0
+ pMGADRI->registers.handle = pMga->registers.handle;
+ pMGADRI->registers.size = pMga->registers.size;
+ pMGADRI->status.handle = pMga->status.handle;
+ pMGADRI->status.size = pMga->status.size;
+ pMGADRI->primary.handle = pMga->primary.handle;
+ pMGADRI->primary.size = pMga->primary.size;
+ pMGADRI->buffers.handle = pMga->buffers.handle;
+ pMGADRI->buffers.size = pMga->buffers.size;
+ pMGADRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
+#endif
+}
+
+static int MGAScreenInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
+{
+ int i;
+ int err;
+ MGADRIPtr pMGADRI;
+
+ usleep(100);
+ /*assert(!ctx->IsClient);*/
+
+ {
+ int width_bytes = (ctx->shared.virtualWidth * ctx->cpp);
+ int maxy = ctx->shared.fbSize / width_bytes;
+
+
+ if (maxy <= ctx->shared.virtualHeight * 3) {
+ fprintf(stderr,
+ "Static buffer allocation failed -- "
+ "need at least %d kB video memory (have %d kB)\n",
+ (ctx->shared.virtualWidth * ctx->shared.virtualHeight *
+ ctx->cpp * 3 + 1023) / 1024,
+ ctx->shared.fbSize / 1024);
+ return 0;
+ }
+ }
+
+ switch(pMga->Chipset) {
+ case PCI_CHIP_MGAG550:
+ case PCI_CHIP_MGAG400:
+ case PCI_CHIP_MGAG200:
+#if 0
+ case PCI_CHIP_MGAG200_PCI:
+#endif
+ break;
+ default:
+ fprintf(stderr, "[drm] Direct rendering only supported with G200/G400/G550 AGP\n");
+ return 0;
+ }
+
+ fprintf( stderr,
+ "[drm] bpp: %d depth: %d\n",
+ ctx->bpp, ctx->bpp /* FIXME: depth */ );
+
+ if ( (ctx->bpp / 8) != 2 &&
+ (ctx->bpp / 8) != 4 ) {
+ fprintf( stderr,
+ "[dri] Direct rendering only supported in 16 and 32 bpp modes\n" );
+ return 0;
+ }
+
+ ctx->shared.SAREASize = SAREA_MAX;
+
+
+ /* Note that drmOpen will try to load the kernel module, if needed. */
+ ctx->drmFD = drmOpen("mga", NULL );
+ if (ctx->drmFD < 0) {
+ fprintf(stderr, "[drm] drmOpen failed\n");
+ return 0;
+ }
+
+ if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) {
+ fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n",
+ ctx->drmFD, ctx->pciBusID, strerror(-err));
+ return 0;
+ }
+
+
+ if (drmAddMap( ctx->drmFD,
+ 0,
+ ctx->shared.SAREASize,
+ DRM_SHM,
+ DRM_CONTAINS_LOCK,
+ &ctx->shared.hSAREA) < 0)
+ {
+ fprintf(stderr, "[drm] drmAddMap failed\n");
+ return 0;
+ }
+ fprintf(stderr, "[drm] added %d byte SAREA at 0x%08lx\n",
+ ctx->shared.SAREASize, ctx->shared.hSAREA);
+
+ if (drmMap( ctx->drmFD,
+ ctx->shared.hSAREA,
+ ctx->shared.SAREASize,
+ (drmAddressPtr)(&ctx->pSAREA)) < 0)
+ {
+ fprintf(stderr, "[drm] drmMap failed\n");
+ return 0;
+ }
+ memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
+ fprintf(stderr, "[drm] mapped SAREA 0x%08lx to %p, size %d\n",
+ ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
+
+ /* Need to AddMap the framebuffer and mmio regions here:
+ */
+ if (drmAddMap( ctx->drmFD,
+ (drmHandle)ctx->FBStart,
+ ctx->FBSize,
+ DRM_FRAME_BUFFER,
+ 0,
+ &ctx->shared.hFrameBuffer) < 0)
+ {
+ fprintf(stderr, "[drm] drmAddMap framebuffer failed\n");
+ return 0;
+ }
+ fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n",
+ ctx->shared.hFrameBuffer);
+
+
+#if 0 /* will be done in MGADRIMapInit */
+ if (drmAddMap(ctx->drmFD,
+ ctx->FixedInfo.mmio_start,
+ ctx->FixedInfo.mmio_len,
+ DRM_REGISTERS,
+ DRM_READ_ONLY,
+ &pMga->registers.handle) < 0) {
+ fprintf(stderr, "[drm] drmAddMap mmio failed\n");
+ return 0;
+ }
+ fprintf(stderr,
+ "[drm] register handle = 0x%08lx\n", pMga->registers.handle);
+#endif
+
+
+ /* Check the mga DRM version */
+ if (!MGACheckDRMVersion(ctx, pMga)) {
+ return 0;
+ }
+
+ if ( !MGADRIAgpInit( ctx, pMga ) ) {
+ return 0;
+ }
+
+ if ( !MGADRIMapInit( ctx, pMga ) ) {
+ return 0;
+ }
+
+ /* Memory manager setup */
+ if (!MGAMemoryInit(ctx, pMga)) {
+ return 0;
+ }
+
+
+ /* Create a 'server' context so we can grab the lock for
+ * initialization ioctls.
+ */
+ if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) {
+ fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err);
+ return 0;
+ }
+
+ DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0);
+
+ /* Initialize the kernel data structures */
+ if (!MGADRIKernelInit(ctx, pMga)) {
+ fprintf(stderr, "MGADRIKernelInit failed\n");
+ DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);
+ return 0;
+ }
+
+ /* Initialize the vertex buffers list */
+ if (!MGADRIBuffersInit(ctx, pMga)) {
+ fprintf(stderr, "MGADRIBuffersInit failed\n");
+ DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);
+ return 0;
+ }
+
+ /* Initialize IRQ */
+ MGADRIIrqInit(ctx, pMga);
+
+
+ /* Initialize the SAREA private data structure */
+ {
+ MGASAREAPrivPtr pSAREAPriv;
+ pSAREAPriv = (MGASAREAPrivPtr)(((char*)ctx->pSAREA) +
+ sizeof(XF86DRISAREARec));
+ memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
+ }
+
+ /* Quick hack to clear the front & back buffers. Could also use
+ * the clear ioctl to do this, but would need to setup hw state
+ * first.
+ */
+ memset((char *)ctx->FBAddress + pMga->frontOffset,
+ 0,
+ pMga->frontPitch * ctx->shared.virtualHeight );
+
+ memset((char *)ctx->FBAddress + pMga->backOffset,
+ 0,
+ pMga->backPitch * ctx->shared.virtualHeight );
+
+ /* Can release the lock now */
+/* DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);*/
+
+ /* This is the struct passed to radeon_dri.so for its initialization */
+ ctx->driverClientMsg = malloc(sizeof(MGADRIRec));
+ ctx->driverClientMsgSize = sizeof(MGADRIRec);
+
+ pMGADRI = (MGADRIPtr)ctx->driverClientMsg;
+
+
+ switch(pMga->Chipset) {
+ case PCI_CHIP_MGAG550:
+ case PCI_CHIP_MGAG400:
+ pMGADRI->chipset = MGA_CARD_TYPE_G400;
+ break;
+ case PCI_CHIP_MGAG200:
+ case PCI_CHIP_MGAG200_PCI:
+ pMGADRI->chipset = MGA_CARD_TYPE_G200;
+ break;
+ default:
+ return 0;
+ }
+ pMGADRI->width = ctx->shared.virtualWidth;
+ pMGADRI->height = ctx->shared.virtualHeight;
+ pMGADRI->mem = ctx->shared.fbSize;
+ pMGADRI->cpp = ctx->bpp / 8;
+
+ pMGADRI->agpMode = pMga->agpMode;
+
+ pMGADRI->frontOffset = pMga->frontOffset;
+ pMGADRI->frontPitch = pMga->frontPitch;
+ pMGADRI->backOffset = pMga->backOffset;
+ pMGADRI->backPitch = pMga->backPitch;
+ pMGADRI->depthOffset = pMga->depthOffset;
+ pMGADRI->depthPitch = pMga->depthPitch;
+ pMGADRI->textureOffset = pMga->textureOffset;
+ pMGADRI->textureSize = pMga->textureSize;
+ pMGADRI->logTextureGranularity = pMga->logTextureGranularity;
+
+ i = mylog2( pMga->agpTextures.size / MGA_NR_TEX_REGIONS );
+ if ( i < MGA_LOG_MIN_TEX_REGION_SIZE )
+ i = MGA_LOG_MIN_TEX_REGION_SIZE;
+
+ pMGADRI->logAgpTextureGranularity = i;
+ pMGADRI->agpTextureOffset = (unsigned int)pMga->agpTextures.handle;
+ pMGADRI->agpTextureSize = (unsigned int)pMga->agpTextures.size;
+
+ pMGADRI->registers.handle = pMga->registers.handle;
+ pMGADRI->registers.size = pMga->registers.size;
+ pMGADRI->status.handle = pMga->status.handle;
+ pMGADRI->status.size = pMga->status.size;
+ pMGADRI->primary.handle = pMga->primary.handle;
+ pMGADRI->primary.size = pMga->primary.size;
+ pMGADRI->buffers.handle = pMga->buffers.handle;
+ pMGADRI->buffers.size = pMga->buffers.size;
+ pMGADRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
+
+ print_client_msg( pMGADRI );
+
+ return 1;
+}
+
+
+/**
+ * \brief Establish the set of modes available for the display.
+ *
+ * \param ctx display handle.
+ * \param numModes will receive the number of supported modes.
+ * \param modes will point to the list of supported modes.
+ *
+ * \return one on success, or zero on failure.
+ *
+ * Allocates a single visual and fills it with information according to the
+ * display bit depth. Supports only 16 and 32 bpp bit depths, aborting
+ * otherwise.
+ */
+const __GLcontextModes __glModes[] = {
+
+ /* 32 bit, RGBA Depth=24 Stencil=8 */
+ {.rgbMode = GL_TRUE, .colorIndexMode = GL_FALSE, .doubleBufferMode = GL_TRUE, .stereoMode = GL_FALSE,
+ .haveAccumBuffer = GL_FALSE, .haveDepthBuffer = GL_TRUE, .haveStencilBuffer = GL_TRUE,
+ .redBits = 8, .greenBits = 8, .blueBits = 8, .alphaBits = 8,
+ .redMask = 0xff0000, .greenMask = 0xff00, .blueMask = 0xff, .alphaMask = 0xff000000,
+ .rgbBits = 32, .indexBits = 0,
+ .accumRedBits = 0, .accumGreenBits = 0, .accumBlueBits = 0, .accumAlphaBits = 0,
+ .depthBits = 24, .stencilBits = 8,
+ .numAuxBuffers= 0, .level = 0, .pixmapMode = GL_FALSE, },
+
+ /* 16 bit, RGB Depth=16 */
+ {.rgbMode = GL_TRUE, .colorIndexMode = GL_FALSE, .doubleBufferMode = GL_TRUE, .stereoMode = GL_FALSE,
+ .haveAccumBuffer = GL_FALSE, .haveDepthBuffer = GL_TRUE, .haveStencilBuffer = GL_FALSE,
+ .redBits = 5, .greenBits = 6, .blueBits = 5, .alphaBits = 0,
+ .redMask = 0xf800, .greenMask = 0x07e0, .blueMask = 0x001f, .alphaMask = 0x0,
+ .rgbBits = 16, .indexBits = 0,
+ .accumRedBits = 0, .accumGreenBits = 0, .accumBlueBits = 0, .accumAlphaBits = 0,
+ .depthBits = 16, .stencilBits = 0,
+ .numAuxBuffers= 0, .level = 0, .pixmapMode = GL_FALSE, },
+};
+static int mgaInitContextModes( const DRIDriverContext *ctx,
+ int *numModes, const __GLcontextModes **modes)
+{
+ *numModes = sizeof(__glModes)/sizeof(__GLcontextModes *);
+ *modes = &__glModes[0];
+ return 1;
+}
+
+
+/**
+ * \brief Validate the fbdev mode.
+ *
+ * \param ctx display handle.
+ *
+ * \return one on success, or zero on failure.
+ *
+ * Saves some registers and returns 1.
+ *
+ * \sa mgaValidateMode().
+ */
+static int mgaValidateMode( const DRIDriverContext *ctx )
+{
+ return 1;
+}
+
+
+/**
+ * \brief Examine mode returned by fbdev.
+ *
+ * \param ctx display handle.
+ *
+ * \return one on success, or zero on failure.
+ *
+ * Restores registers that fbdev has clobbered and returns 1.
+ *
+ * \sa mgaValidateMode().
+ */
+static int mgaPostValidateMode( const DRIDriverContext *ctx )
+{
+ return 1;
+}
+
+
+/**
+ * \brief Initialize the framebuffer device mode
+ *
+ * \param ctx display handle.
+ *
+ * \return one on success, or zero on failure.
+ *
+ * Fills in \p info with some default values and some information from \p ctx
+ * and then calls MGAScreenInit() for the screen initialization.
+ *
+ * Before exiting clears the framebuffer memomry accessing it directly.
+ */
+static int mgaInitFBDev( struct DRIDriverContextRec *ctx )
+{
+ MGAPtr pMga = calloc(1, sizeof(*pMga));
+
+ {
+ int dummy = ctx->shared.virtualWidth;
+
+ switch (ctx->bpp / 8) {
+ case 1: dummy = (ctx->shared.virtualWidth + 127) & ~127; break;
+ case 2: dummy = (ctx->shared.virtualWidth + 31) & ~31; break;
+ case 3:
+ case 4: dummy = (ctx->shared.virtualWidth + 15) & ~15; break;
+ }
+
+ ctx->shared.virtualWidth = dummy;
+ }
+
+ ctx->driverPrivate = (void *)pMga;
+
+ pMga->agpMode = MGA_DEFAULT_AGP_MODE;
+ pMga->agpSize = MGA_DEFAULT_AGP_SIZE;
+
+ pMga->Chipset = ctx->chipset;
+
+ pMga->IOAddress = ctx->MMIOStart;
+ pMga->IOBase = ctx->MMIOAddress;
+
+ pMga->frontPitch = ctx->shared.virtualWidth * ctx->cpp;
+
+ if (!MGAScreenInit( ctx, pMga ))
+ return 0;
+
+ return 1;
+}
+
+
+/**
+ * \brief The screen is being closed, so clean up any state and free any
+ * resources used by the DRI.
+ *
+ * \param ctx display handle.
+ *
+ * Unmaps the SAREA, closes the DRM device file descriptor and frees the driver
+ * private data.
+ */
+static void mgaHaltFBDev( struct DRIDriverContextRec *ctx )
+{
+ drmUnmap( ctx->pSAREA, ctx->shared.SAREASize );
+ drmClose(ctx->drmFD);
+
+ if (ctx->driverPrivate) {
+ free(ctx->driverPrivate);
+ ctx->driverPrivate = NULL;
+ }
+}
+
+
+static int mgaEngineShutdown( const DRIDriverContext *ctx )
+{
+ fprintf(stderr, "%s() is not yet implemented!\n", __FUNCTION__);
+
+ return 1;
+}
+
+static int mgaEngineRestore( const DRIDriverContext *ctx )
+{
+ fprintf(stderr, "%s() is not yet implemented!\n", __FUNCTION__);
+
+ return 1;
+}
+
+/**
+ * \brief Exported driver interface for Mini GLX.
+ *
+ * \sa DRIDriverRec.
+ */
+struct DRIDriverRec __driDriver = {
+ mgaInitContextModes,
+ mgaValidateMode,
+ mgaPostValidateMode,
+ mgaInitFBDev,
+ mgaHaltFBDev,
+ mgaEngineShutdown,
+ mgaEngineRestore,
+ 0
+};
+
+
+
+
+#if 0
+void MGADRICloseScreen( ScreenPtr pScreen )
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MGAPtr pMga = MGAPTR(pScrn);
+ MGADRIServerPrivatePtr pMga = pMga->DRIServerInfo;
+ drmMGAInit init;
+
+ if ( pMga->drmBuffers ) {
+ drmUnmapBufs( pMga->drmBuffers );
+ pMga->drmBuffers = NULL;
+ }
+
+ if (pMga->irq) {
+ drmCtlUninstHandler(ctx->drmFD);
+ pMga->irq = 0;
+ }
+
+ /* Cleanup DMA */
+ memset( &init, 0, sizeof(drmMGAInit) );
+ init.func = MGA_CLEANUP_DMA;
+ drmCommandWrite( ctx->drmFD, DRM_MGA_INIT, &init, sizeof(drmMGAInit) );
+
+ if ( pMga->status.map ) {
+ drmUnmap( pMga->status.map, pMga->status.size );
+ pMga->status.map = NULL;
+ }
+ if ( pMga->buffers.map ) {
+ drmUnmap( pMga->buffers.map, pMga->buffers.size );
+ pMga->buffers.map = NULL;
+ }
+ if ( pMga->primary.map ) {
+ drmUnmap( pMga->primary.map, pMga->primary.size );
+ pMga->primary.map = NULL;
+ }
+ if ( pMga->warp.map ) {
+ drmUnmap( pMga->warp.map, pMga->warp.size );
+ pMga->warp.map = NULL;
+ }
+
+ if ( pMga->agpTextures.map ) {
+ drmUnmap( pMga->agpTextures.map, pMga->agpTextures.size );
+ pMga->agpTextures.map = NULL;
+ }
+
+ if ( pMga->agp.handle ) {
+ drmAgpUnbind( ctx->drmFD, pMga->agp.handle );
+ drmAgpFree( ctx->drmFD, pMga->agp.handle );
+ pMga->agp.handle = 0;
+ drmAgpRelease( ctx->drmFD );
+ }
+
+ DRICloseScreen( pScreen );
+
+ if ( pMga->pDRIInfo ) {
+ if ( pMga->pDRIpMga->devPrivate ) {
+ xfree( pMga->pDRIpMga->devPrivate );
+ pMga->pDRIpMga->devPrivate = 0;
+ }
+ DRIDestroyInfoRec( pMga->pDRIInfo );
+ pMga->pDRIInfo = 0;
+ }
+ if ( pMga->DRIServerInfo ) {
+ xfree( pMga->DRIServerInfo );
+ pMga->DRIServerInfo = 0;
+ }
+ if ( pMga->pVisualConfigs ) {
+ xfree( pMga->pVisualConfigs );
+ }
+ if ( pMga->pVisualConfigsPriv ) {
+ xfree( pMga->pVisualConfigsPriv );
+ }
+}
+#endif
diff --git a/src/mesa/drivers/dri/mga/server/mga_dri.h b/src/mesa/drivers/dri/mga/server/mga_dri.h
new file mode 100644
index 0000000000..c6a3e23f41
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_dri.h
@@ -0,0 +1,84 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dri.h,v 1.8 2002/11/29 11:06:42 eich Exp $ */
+
+/*
+ * Copyright 2000 VA Linux Systems Inc., Fremont, California.
+ * 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 (including the next
+ * paragraph) 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
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Gareth Hughes <gareth@valinux.com>
+ */
+
+#ifndef __MGA_DRI_H__
+#define __MGA_DRI_H__
+
+#include "xf86drm.h"
+#include "mga_common.h"
+
+#define MGA_DEFAULT_AGP_SIZE 64
+#define MGA_DEFAULT_AGP_MODE 4
+#define MGA_MAX_AGP_MODE 4
+
+/* Buffer are aligned on 4096 byte boundaries.
+ */
+#define MGA_BUFFER_ALIGN 0x00000fff
+
+typedef struct {
+ int chipset;
+ int width;
+ int height;
+ int mem;
+ int cpp;
+
+ int agpMode;
+
+ int frontOffset;
+ int frontPitch;
+
+ int backOffset;
+ int backPitch;
+
+ int depthOffset;
+ int depthPitch;
+
+ int textureOffset;
+ int textureSize;
+ int logTextureGranularity;
+
+ /* Allow calculation of setup dma addresses.
+ */
+ unsigned int agpBufferOffset;
+
+ unsigned int agpTextureOffset;
+ unsigned int agpTextureSize;
+ int logAgpTextureGranularity;
+
+ unsigned int mAccess;
+
+ drmRegion registers;
+ drmRegion status;
+ drmRegion primary;
+ drmRegion buffers;
+ unsigned int sarea_priv_offset;
+} MGADRIRec, *MGADRIPtr;
+
+#endif
diff --git a/src/mesa/drivers/dri/mga/server/mga_macros.h b/src/mesa/drivers/dri/mga/server/mga_macros.h
new file mode 100644
index 0000000000..d985081ab6
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_macros.h
@@ -0,0 +1,118 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_macros.h,v 1.22 2002/02/20 17:17:50 dawes Exp $ */
+
+#ifndef _MGA_MACROS_H_
+#define _MGA_MACROS_H_
+
+#ifndef PSZ
+#define PSZ 8
+#endif
+
+#if PSZ == 8
+#define REPLICATE(r) r &= 0xFF; r |= r << 8; r |= r << 16
+#elif PSZ == 16
+#define REPLICATE(r) r &= 0xFFFF; r |= r << 16
+#elif PSZ == 24
+#define REPLICATE(r) r &= 0xFFFFFF; r |= r << 24
+#else
+#define REPLICATE(r) /* */
+#endif
+
+#define RGBEQUAL(c) (!((((c) >> 8) ^ (c)) & 0xffff))
+
+#ifdef XF86DRI
+#define MGA_SYNC_XTAG 0x275f4200
+
+#define MGABUSYWAIT() do { \
+OUTREG(MGAREG_DWGSYNC, MGA_SYNC_XTAG); \
+while(INREG(MGAREG_DWGSYNC) != MGA_SYNC_XTAG) ; \
+}while(0);
+
+#endif
+
+#define MGAISBUSY() (INREG8(MGAREG_Status + 2) & 0x01)
+
+#define WAITFIFO(cnt) \
+ if(!pMga->UsePCIRetry) {\
+ register int n = cnt; \
+ if(n > pMga->FifoSize) n = pMga->FifoSize; \
+ while(pMga->fifoCount < (n))\
+ pMga->fifoCount = INREG8(MGAREG_FIFOSTATUS);\
+ pMga->fifoCount -= n;\
+ }
+
+#define XYADDRESS(x,y) \
+ ((y) * pMga->CurrentLayout.displayWidth + (x) + pMga->YDstOrg)
+
+#define MAKEDMAINDEX(index) ((((index) >> 2) & 0x7f) | (((index) >> 6) & 0x80))
+
+#define DMAINDICES(one,two,three,four) \
+ ( MAKEDMAINDEX(one) | \
+ (MAKEDMAINDEX(two) << 8) | \
+ (MAKEDMAINDEX(three) << 16) | \
+ (MAKEDMAINDEX(four) << 24) )
+
+#if PSZ == 24
+#define SET_PLANEMASK(p) /**/
+#else
+#define SET_PLANEMASK(p) \
+ if(!(pMga->AccelFlags & MGA_NO_PLANEMASK) && ((p) != pMga->PlaneMask)) { \
+ pMga->PlaneMask = (p); \
+ REPLICATE((p)); \
+ OUTREG(MGAREG_PLNWT,(p)); \
+ }
+#endif
+
+#define SET_FOREGROUND(c) \
+ if((c) != pMga->FgColor) { \
+ pMga->FgColor = (c); \
+ REPLICATE((c)); \
+ OUTREG(MGAREG_FCOL,(c)); \
+ }
+
+#define SET_BACKGROUND(c) \
+ if((c) != pMga->BgColor) { \
+ pMga->BgColor = (c); \
+ REPLICATE((c)); \
+ OUTREG(MGAREG_BCOL,(c)); \
+ }
+
+#define DISABLE_CLIP() { \
+ pMga->AccelFlags &= ~CLIPPER_ON; \
+ WAITFIFO(1); \
+ OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); }
+
+#ifdef XF86DRI
+#define CHECK_DMA_QUIESCENT(pMGA, pScrn) { \
+ if (!pMGA->haveQuiescense) { \
+ pMGA->GetQuiescence( pScrn ); \
+ } \
+}
+#else
+#define CHECK_DMA_QUIESCENT(pMGA, pScrn)
+#endif
+
+#ifdef USEMGAHAL
+#define HAL_CHIPSETS ((pMga->Chipset == PCI_CHIP_MGAG200_PCI) || \
+ (pMga->Chipset == PCI_CHIP_MGAG200) || \
+ (pMga->Chipset == PCI_CHIP_MGAG400) || \
+ (pMga->Chipset == PCI_CHIP_MGAG550))
+
+#define MGA_HAL(x) { \
+ MGAPtr pMga = MGAPTR(pScrn); \
+ if (pMga->HALLoaded && HAL_CHIPSETS) { x; } \
+}
+#define MGA_NOT_HAL(x) { \
+ MGAPtr pMga = MGAPTR(pScrn); \
+ if (!pMga->HALLoaded || !HAL_CHIPSETS) { x; } \
+}
+#else
+#define MGA_NOT_HAL(x) { x; }
+#endif
+
+#define MGAISGx50(x) ( (((x)->Chipset == PCI_CHIP_MGAG400) && ((x)->ChipRev >= 0x80)) || \
+ ((x)->Chipset == PCI_CHIP_MGAG550) )
+
+#define MGA_DH_NEEDS_HAL(x) (((x)->Chipset == PCI_CHIP_MGAG400) && \
+ ((x)->ChipRev < 0x80))
+
+#endif /* _MGA_MACROS_H_ */
diff --git a/src/mesa/drivers/dri/mga/server/mga_reg.h b/src/mesa/drivers/dri/mga/server/mga_reg.h
new file mode 100644
index 0000000000..b8e3499235
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_reg.h
@@ -0,0 +1,484 @@
+/* $XConsortium: mgareg.h /main/2 1996/10/25 10:33:21 kaleb $ */
+
+
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_reg.h,v 1.18 2001/09/26 12:59:18 alanh Exp $ */
+
+
+
+/*
+ * MGA Millennium (MGA2064W) functions
+ * MGA Mystique (MGA1064SG) functions
+ *
+ * Copyright 1996 The XFree86 Project, Inc.
+ *
+ * Authors
+ * Dirk Hohndel
+ * hohndel@XFree86.Org
+ * David Dawes
+ * dawes@XFree86.Org
+ * Contributors:
+ * Guy DESBIEF, Aix-en-provence, France
+ * g.desbief@aix.pacwan.net
+ * MGA1064SG Mystique register file
+ */
+
+
+#ifndef _MGA_REG_H_
+#define _MGA_REG_H_
+
+#define MGAREG_DWGCTL 0x1c00
+#define MGAREG_MACCESS 0x1c04
+#define MGA_MACCESS_PW16 0x00000001
+#define MGA_MACCESS_PW32 0x00000002
+/* the following is a mystique only register */
+#define MGAREG_MCTLWTST 0x1c08
+#define MGAREG_ZORG 0x1c0c
+
+#define MGAREG_PAT0 0x1c10
+#define MGAREG_PAT1 0x1c14
+#define MGAREG_PLNWT 0x1c1c
+
+#define MGAREG_BCOL 0x1c20
+#define MGAREG_FCOL 0x1c24
+
+#define MGAREG_SRC0 0x1c30
+#define MGAREG_SRC1 0x1c34
+#define MGAREG_SRC2 0x1c38
+#define MGAREG_SRC3 0x1c3c
+
+#define MGAREG_XYSTRT 0x1c40
+#define MGAREG_XYEND 0x1c44
+
+#define MGAREG_SHIFT 0x1c50
+/* the following is a mystique only register */
+#define MGAREG_DMAPAD 0x1c54
+#define MGAREG_SGN 0x1c58
+#define MGAREG_LEN 0x1c5c
+
+#define MGAREG_AR0 0x1c60
+#define MGAREG_AR1 0x1c64
+#define MGAREG_AR2 0x1c68
+#define MGAREG_AR3 0x1c6c
+#define MGAREG_AR4 0x1c70
+#define MGAREG_AR5 0x1c74
+#define MGAREG_AR6 0x1c78
+
+#define MGAREG_CXBNDRY 0x1c80
+#define MGAREG_FXBNDRY 0x1c84
+#define MGAREG_YDSTLEN 0x1c88
+#define MGAREG_PITCH 0x1c8c
+
+#define MGAREG_YDST 0x1c90
+#define MGAREG_YDSTORG 0x1c94
+#define MGAREG_YTOP 0x1c98
+#define MGAREG_YBOT 0x1c9c
+
+#define MGAREG_CXLEFT 0x1ca0
+#define MGAREG_CXRIGHT 0x1ca4
+#define MGAREG_FXLEFT 0x1ca8
+#define MGAREG_FXRIGHT 0x1cac
+
+#define MGAREG_XDST 0x1cb0
+
+#define MGAREG_DR0 0x1cc0
+#define MGAREG_DR1 0x1cc4
+#define MGAREG_DR2 0x1cc8
+#define MGAREG_DR3 0x1ccc
+
+#define MGAREG_DR4 0x1cd0
+#define MGAREG_DR5 0x1cd4
+#define MGAREG_DR6 0x1cd8
+#define MGAREG_DR7 0x1cdc
+
+#define MGAREG_DR8 0x1ce0
+#define MGAREG_DR9 0x1ce4
+#define MGAREG_DR10 0x1ce8
+#define MGAREG_DR11 0x1cec
+
+#define MGAREG_DR12 0x1cf0
+#define MGAREG_DR13 0x1cf4
+#define MGAREG_DR14 0x1cf8
+#define MGAREG_DR15 0x1cfc
+
+#define MGAREG_SRCORG 0x2cb4
+#define MGAREG_DSTORG 0x2cb8
+
+/* add or or this to one of the previous "power registers" to start
+ the drawing engine */
+
+#define MGAREG_EXEC 0x0100
+
+#define MGAREG_FIFOSTATUS 0x1e10
+#define MGAREG_Status 0x1e14
+#define MGAREG_ICLEAR 0x1e18
+#define MGAREG_IEN 0x1e1c
+
+#define MGAREG_VCOUNT 0x1e20
+
+#define MGAREG_Reset 0x1e40
+
+#define MGAREG_OPMODE 0x1e54
+
+/* Warp Registers */
+#define MGAREG_WIADDR 0x1dc0
+#define MGAREG_WIADDR2 0x1dd8
+#define MGAREG_WGETMSB 0x1dc8
+#define MGAREG_WVRTXSZ 0x1dcc
+#define MGAREG_WACCEPTSEQ 0x1dd4
+#define MGAREG_WMISC 0x1e70
+
+/* OPMODE register additives */
+
+#define MGAOPM_DMA_GENERAL (0x00 << 2)
+#define MGAOPM_DMA_BLIT (0x01 << 2)
+#define MGAOPM_DMA_VECTOR (0x10 << 2)
+
+/* DWGCTL register additives */
+
+/* Lines */
+
+#define MGADWG_LINE_OPEN 0x00
+#define MGADWG_AUTOLINE_OPEN 0x01
+#define MGADWG_LINE_CLOSE 0x02
+#define MGADWG_AUTOLINE_CLOSE 0x03
+
+/* Trapezoids */
+#define MGADWG_TRAP 0x04
+#define MGADWG_TEXTURE_TRAP 0x05
+
+/* BitBlts */
+
+#define MGADWG_BITBLT 0x08
+#define MGADWG_FBITBLT 0x0c
+#define MGADWG_ILOAD 0x09
+#define MGADWG_ILOAD_SCALE 0x0d
+#define MGADWG_ILOAD_FILTER 0x0f
+#define MGADWG_ILOAD_HIQH 0x07
+#define MGADWG_ILOAD_HIQHV 0x0e
+#define MGADWG_IDUMP 0x0a
+
+/* atype access to WRAM */
+
+#define MGADWG_RPL ( 0x00 << 4 )
+#define MGADWG_RSTR ( 0x01 << 4 )
+#define MGADWG_ZI ( 0x03 << 4 )
+#define MGADWG_BLK ( 0x04 << 4 )
+#define MGADWG_I ( 0x07 << 4 )
+
+/* specifies whether bit blits are linear or xy */
+#define MGADWG_LINEAR ( 0x01 << 7 )
+
+/* z drawing mode. use MGADWG_NOZCMP for always */
+
+#define MGADWG_NOZCMP ( 0x00 << 8 )
+#define MGADWG_ZE ( 0x02 << 8 )
+#define MGADWG_ZNE ( 0x03 << 8 )
+#define MGADWG_ZLT ( 0x04 << 8 )
+#define MGADWG_ZLTE ( 0x05 << 8 )
+#define MGADWG_GT ( 0x06 << 8 )
+#define MGADWG_GTE ( 0x07 << 8 )
+
+/* use this to force colour expansion circuitry to do its stuff */
+
+#define MGADWG_SOLID ( 0x01 << 11 )
+
+/* ar register at zero */
+
+#define MGADWG_ARZERO ( 0x01 << 12 )
+
+#define MGADWG_SGNZERO ( 0x01 << 13 )
+
+#define MGADWG_SHIFTZERO ( 0x01 << 14 )
+
+/* See table on 4-43 for bop ALU operations */
+
+/* See table on 4-44 for translucidity masks */
+
+#define MGADWG_BMONOLEF ( 0x00 << 25 )
+#define MGADWG_BMONOWF ( 0x04 << 25 )
+#define MGADWG_BPLAN ( 0x01 << 25 )
+
+/* note that if bfcol is specified and you're doing a bitblt, it causes
+ a fbitblt to be performed, so check that you obey the fbitblt rules */
+
+#define MGADWG_BFCOL ( 0x02 << 25 )
+#define MGADWG_BUYUV ( 0x0e << 25 )
+#define MGADWG_BU32BGR ( 0x03 << 25 )
+#define MGADWG_BU32RGB ( 0x07 << 25 )
+#define MGADWG_BU24BGR ( 0x0b << 25 )
+#define MGADWG_BU24RGB ( 0x0f << 25 )
+
+#define MGADWG_PATTERN ( 0x01 << 29 )
+#define MGADWG_TRANSC ( 0x01 << 30 )
+#define MGAREG_MISC_WRITE 0x3c2
+#define MGAREG_MISC_READ 0x3cc
+#define MGAREG_MISC_IOADSEL (0x1 << 0)
+#define MGAREG_MISC_RAMMAPEN (0x1 << 1)
+#define MGAREG_MISC_CLK_SEL_VGA25 (0x0 << 2)
+#define MGAREG_MISC_CLK_SEL_VGA28 (0x1 << 2)
+#define MGAREG_MISC_CLK_SEL_MGA_PIX (0x2 << 2)
+#define MGAREG_MISC_CLK_SEL_MGA_MSK (0x3 << 2)
+#define MGAREG_MISC_VIDEO_DIS (0x1 << 4)
+#define MGAREG_MISC_HIGH_PG_SEL (0x1 << 5)
+
+/* MMIO VGA registers */
+#define MGAREG_SEQ_INDEX 0x1fc4
+#define MGAREG_SEQ_DATA 0x1fc5
+#define MGAREG_CRTC_INDEX 0x1fd4
+#define MGAREG_CRTC_DATA 0x1fd5
+#define MGAREG_CRTCEXT_INDEX 0x1fde
+#define MGAREG_CRTCEXT_DATA 0x1fdf
+
+
+
+/* MGA bits for registers PCI_OPTION_REG */
+#define MGA1064_OPT_SYS_CLK_PCI ( 0x00 << 0 )
+#define MGA1064_OPT_SYS_CLK_PLL ( 0x01 << 0 )
+#define MGA1064_OPT_SYS_CLK_EXT ( 0x02 << 0 )
+#define MGA1064_OPT_SYS_CLK_MSK ( 0x03 << 0 )
+
+#define MGA1064_OPT_SYS_CLK_DIS ( 0x01 << 2 )
+#define MGA1064_OPT_G_CLK_DIV_1 ( 0x01 << 3 )
+#define MGA1064_OPT_M_CLK_DIV_1 ( 0x01 << 4 )
+
+#define MGA1064_OPT_SYS_PLL_PDN ( 0x01 << 5 )
+#define MGA1064_OPT_VGA_ION ( 0x01 << 8 )
+
+/* MGA registers in PCI config space */
+#define PCI_MGA_INDEX 0x44
+#define PCI_MGA_DATA 0x48
+#define PCI_MGA_OPTION2 0x50
+#define PCI_MGA_OPTION3 0x54
+
+#define RAMDAC_OFFSET 0x3c00
+
+/* TVP3026 direct registers */
+
+#define TVP3026_INDEX 0x00
+#define TVP3026_WADR_PAL 0x00
+#define TVP3026_COL_PAL 0x01
+#define TVP3026_PIX_RD_MSK 0x02
+#define TVP3026_RADR_PAL 0x03
+#define TVP3026_CUR_COL_ADDR 0x04
+#define TVP3026_CUR_COL_DATA 0x05
+#define TVP3026_DATA 0x0a
+#define TVP3026_CUR_RAM 0x0b
+#define TVP3026_CUR_XLOW 0x0c
+#define TVP3026_CUR_XHI 0x0d
+#define TVP3026_CUR_YLOW 0x0e
+#define TVP3026_CUR_YHI 0x0f
+
+/* TVP3026 indirect registers */
+
+#define TVP3026_SILICON_REV 0x01
+#define TVP3026_CURSOR_CTL 0x06
+#define TVP3026_LATCH_CTL 0x0f
+#define TVP3026_TRUE_COLOR_CTL 0x18
+#define TVP3026_MUX_CTL 0x19
+#define TVP3026_CLK_SEL 0x1a
+#define TVP3026_PAL_PAGE 0x1c
+#define TVP3026_GEN_CTL 0x1d
+#define TVP3026_MISC_CTL 0x1e
+#define TVP3026_GEN_IO_CTL 0x2a
+#define TVP3026_GEN_IO_DATA 0x2b
+#define TVP3026_PLL_ADDR 0x2c
+#define TVP3026_PIX_CLK_DATA 0x2d
+#define TVP3026_MEM_CLK_DATA 0x2e
+#define TVP3026_LOAD_CLK_DATA 0x2f
+#define TVP3026_KEY_RED_LOW 0x32
+#define TVP3026_KEY_RED_HI 0x33
+#define TVP3026_KEY_GREEN_LOW 0x34
+#define TVP3026_KEY_GREEN_HI 0x35
+#define TVP3026_KEY_BLUE_LOW 0x36
+#define TVP3026_KEY_BLUE_HI 0x37
+#define TVP3026_KEY_CTL 0x38
+#define TVP3026_MCLK_CTL 0x39
+#define TVP3026_SENSE_TEST 0x3a
+#define TVP3026_TEST_DATA 0x3b
+#define TVP3026_CRC_LSB 0x3c
+#define TVP3026_CRC_MSB 0x3d
+#define TVP3026_CRC_CTL 0x3e
+#define TVP3026_ID 0x3f
+#define TVP3026_RESET 0xff
+
+
+/* MGA1064 DAC Register file */
+/* MGA1064 direct registers */
+
+#define MGA1064_INDEX 0x00
+#define MGA1064_WADR_PAL 0x00
+#define MGA1064_COL_PAL 0x01
+#define MGA1064_PIX_RD_MSK 0x02
+#define MGA1064_RADR_PAL 0x03
+#define MGA1064_DATA 0x0a
+
+#define MGA1064_CUR_XLOW 0x0c
+#define MGA1064_CUR_XHI 0x0d
+#define MGA1064_CUR_YLOW 0x0e
+#define MGA1064_CUR_YHI 0x0f
+
+/* MGA1064 indirect registers */
+#define MGA1064_DVI_PIPE_CTL 0x03
+#define MGA1064_CURSOR_BASE_ADR_LOW 0x04
+#define MGA1064_CURSOR_BASE_ADR_HI 0x05
+#define MGA1064_CURSOR_CTL 0x06
+#define MGA1064_CURSOR_COL0_RED 0x08
+#define MGA1064_CURSOR_COL0_GREEN 0x09
+#define MGA1064_CURSOR_COL0_BLUE 0x0a
+
+#define MGA1064_CURSOR_COL1_RED 0x0c
+#define MGA1064_CURSOR_COL1_GREEN 0x0d
+#define MGA1064_CURSOR_COL1_BLUE 0x0e
+
+#define MGA1064_CURSOR_COL2_RED 0x010
+#define MGA1064_CURSOR_COL2_GREEN 0x011
+#define MGA1064_CURSOR_COL2_BLUE 0x012
+
+#define MGA1064_VREF_CTL 0x018
+
+#define MGA1064_MUL_CTL 0x19
+#define MGA1064_MUL_CTL_8bits 0x0
+#define MGA1064_MUL_CTL_15bits 0x01
+#define MGA1064_MUL_CTL_16bits 0x02
+#define MGA1064_MUL_CTL_24bits 0x03
+#define MGA1064_MUL_CTL_32bits 0x04
+#define MGA1064_MUL_CTL_2G8V16bits 0x05
+#define MGA1064_MUL_CTL_G16V16bits 0x06
+#define MGA1064_MUL_CTL_32_24bits 0x07
+
+#define MGAGDAC_XVREFCTRL 0x18
+#define MGA1064_PIX_CLK_CTL 0x1a
+#define MGA1064_PIX_CLK_CTL_CLK_DIS ( 0x01 << 2 )
+#define MGA1064_PIX_CLK_CTL_CLK_POW_DOWN ( 0x01 << 3 )
+#define MGA1064_PIX_CLK_CTL_SEL_PCI ( 0x00 << 0 )
+#define MGA1064_PIX_CLK_CTL_SEL_PLL ( 0x01 << 0 )
+#define MGA1064_PIX_CLK_CTL_SEL_EXT ( 0x02 << 0 )
+#define MGA1064_PIX_CLK_CTL_SEL_MSK ( 0x03 << 0 )
+
+#define MGA1064_GEN_CTL 0x1d
+#define MGA1064_MISC_CTL 0x1e
+#define MGA1064_MISC_CTL_DAC_POW_DN ( 0x01 << 0 )
+#define MGA1064_MISC_CTL_VGA ( 0x01 << 1 )
+#define MGA1064_MISC_CTL_DIS_CON ( 0x03 << 1 )
+#define MGA1064_MISC_CTL_MAFC ( 0x02 << 1 )
+#define MGA1064_MISC_CTL_VGA8 ( 0x01 << 3 )
+#define MGA1064_MISC_CTL_DAC_RAM_CS ( 0x01 << 4 )
+
+#define MGA1064_GEN_IO_CTL 0x2a
+#define MGA1064_GEN_IO_DATA 0x2b
+#define MGA1064_SYS_PLL_M 0x2c
+#define MGA1064_SYS_PLL_N 0x2d
+#define MGA1064_SYS_PLL_P 0x2e
+#define MGA1064_SYS_PLL_STAT 0x2f
+#define MGA1064_ZOOM_CTL 0x38
+#define MGA1064_SENSE_TST 0x3a
+
+#define MGA1064_CRC_LSB 0x3c
+#define MGA1064_CRC_MSB 0x3d
+#define MGA1064_CRC_CTL 0x3e
+#define MGA1064_COL_KEY_MSK_LSB 0x40
+#define MGA1064_COL_KEY_MSK_MSB 0x41
+#define MGA1064_COL_KEY_LSB 0x42
+#define MGA1064_COL_KEY_MSB 0x43
+#define MGA1064_PIX_PLLA_M 0x44
+#define MGA1064_PIX_PLLA_N 0x45
+#define MGA1064_PIX_PLLA_P 0x46
+#define MGA1064_PIX_PLLB_M 0x48
+#define MGA1064_PIX_PLLB_N 0x49
+#define MGA1064_PIX_PLLB_P 0x4a
+#define MGA1064_PIX_PLLC_M 0x4c
+#define MGA1064_PIX_PLLC_N 0x4d
+#define MGA1064_PIX_PLLC_P 0x4e
+
+#define MGA1064_PIX_PLL_STAT 0x4f
+
+/*Added for G450 dual head*/
+/* Supported PLL*/
+#define __PIXEL_PLL 1
+#define __SYSTEM_PLL 2
+#define __VIDEO_PLL 3
+
+#define MGA1064_VID_PLL_P 0x8D
+#define MGA1064_VID_PLL_M 0x8E
+#define MGA1064_VID_PLL_N 0x8F
+
+#define MGA1064_DISP_CTL 0x8a
+#define MGA1064_SYNC_CTL 0x8b
+#define MGA1064_PWR_CTL 0xa0
+#define MGA1064_PAN_CTL 0xa2
+
+/* Using crtc2 */
+#define MGAREG2_C2CTL 0x10
+#define MGAREG2_C2HPARAM 0x14
+#define MGAREG2_C2HSYNC 0x18
+#define MGAREG2_C2VPARAM 0x1c
+#define MGAREG2_C2VSYNC 0x20
+#define MGAREG2_C2STARTADD0 0x28
+
+#define MGAREG2_C2OFFSET 0x40
+#define MGAREG2_C2DATACTL 0x4c
+
+#define MGAREG_C2CTL 0x3c10
+#define MGAREG_C2HPARAM 0x3c14
+#define MGAREG_C2HSYNC 0x3c18
+#define MGAREG_C2VPARAM 0x3c1c
+#define MGAREG_C2VSYNC 0x3c20
+#define MGAREG_C2STARTADD0 0x3c28
+
+#define MGAREG_C2OFFSET 0x3c40
+#define MGAREG_C2DATACTL 0x3c4c
+
+#define MGA1064_DISP_CTL 0x8a
+#define MGA1064_SYNC_CTL 0x8b
+#define MGA1064_PWR_CTL 0xa0
+
+/* video register */
+
+#define MGAREG_BESA1C3ORG 0x3d60
+#define MGAREG_BESA1CORG 0x3d10
+#define MGAREG_BESA1ORG 0x3d00
+#define MGAREG_BESCTL 0x3d20
+#define MGAREG_BESGLOBCTL 0x3dc0
+#define MGAREG_BESHCOORD 0x3d28
+#define MGAREG_BESHISCAL 0x3d30
+#define MGAREG_BESHSRCEND 0x3d3c
+#define MGAREG_BESHSRCLST 0x3d50
+#define MGAREG_BESHSRCST 0x3d38
+#define MGAREG_BESLUMACTL 0x3d40
+#define MGAREG_BESPITCH 0x3d24
+#define MGAREG_BESV1SRCLST 0x3d54
+#define MGAREG_BESV1WGHT 0x3d48
+#define MGAREG_BESVCOORD 0x3d2c
+#define MGAREG_BESVISCAL 0x3d34
+
+/* texture engine registers */
+
+#define MGAREG_TMR0 0x2c00
+#define MGAREG_TMR1 0x2c04
+#define MGAREG_TMR2 0x2c08
+#define MGAREG_TMR3 0x2c0c
+#define MGAREG_TMR4 0x2c10
+#define MGAREG_TMR5 0x2c14
+#define MGAREG_TMR6 0x2c18
+#define MGAREG_TMR7 0x2c1c
+#define MGAREG_TMR8 0x2c20
+#define MGAREG_TEXORG 0x2c24
+#define MGAREG_TEXWIDTH 0x2c28
+#define MGAREG_TEXHEIGHT 0x2c2c
+#define MGAREG_TEXCTL 0x2c30
+#define MGAREG_TEXCTL2 0x2c3c
+#define MGAREG_TEXTRANS 0x2c34
+#define MGAREG_TEXTRANSHIGH 0x2c38
+#define MGAREG_TEXFILTER 0x2c58
+#define MGAREG_ALPHASTART 0x2c70
+#define MGAREG_ALPHAXINC 0x2c74
+#define MGAREG_ALPHAYINC 0x2c78
+#define MGAREG_ALPHACTRL 0x2c7c
+#define MGAREG_DWGSYNC 0x2c4c
+
+#define MGAREG_AGP_PLL 0x1e4c
+#define MGA_AGP2XPLL_ENABLE 0x1
+#define MGA_AGP2XPLL_DISABLE 0x0
+
+#endif
diff --git a/src/mesa/drivers/dri/mga/server/mga_sarea.h b/src/mesa/drivers/dri/mga/server/mga_sarea.h
new file mode 100644
index 0000000000..8bfa3f51d5
--- /dev/null
+++ b/src/mesa/drivers/dri/mga/server/mga_sarea.h
@@ -0,0 +1,222 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_sarea.h,v 1.1 2001/03/21 17:11:47 dawes Exp $ */
+
+/*
+ * Copyright 2000 Gareth Hughes
+ * 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 (including the next
+ * paragraph) 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
+ * GARETH HUGHES 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.
+ *
+ * Authors:
+ * Gareth Hughes <gareth@valinux.com>
+ */
+
+#ifndef __MGA_SAREA_H__
+#define __MGA_SAREA_H__
+
+/* WARNING: If you change any of these defines, make sure to change
+ * the kernel include file as well (mga_drm.h)
+ */
+#ifndef __MGA_SAREA_DEFINES__
+#define __MGA_SAREA_DEFINES__
+
+/* WARP pipe flags
+ */
+#define MGA_F 0x1 /* fog */
+#define MGA_A 0x2 /* alpha */
+#define MGA_S 0x4 /* specular */
+#define MGA_T2 0x8 /* multitexture */
+
+#define MGA_WARP_TGZ 0
+#define MGA_WARP_TGZF (MGA_F)
+#define MGA_WARP_TGZA (MGA_A)
+#define MGA_WARP_TGZAF (MGA_F|MGA_A)
+#define MGA_WARP_TGZS (MGA_S)
+#define MGA_WARP_TGZSF (MGA_S|MGA_F)
+#define MGA_WARP_TGZSA (MGA_S|MGA_A)
+#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A)
+#define MGA_WARP_T2GZ (MGA_T2)
+#define MGA_WARP_T2GZF (MGA_T2|MGA_F)
+#define MGA_WARP_T2GZA (MGA_T2|MGA_A)
+#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F)
+#define MGA_WARP_T2GZS (MGA_T2|MGA_S)
+#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F)
+#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A)
+#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A)
+
+#define MGA_MAX_G200_PIPES 8 /* no multitex */
+#define MGA_MAX_G400_PIPES 16
+#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES
+#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */
+
+#define MGA_CARD_TYPE_G200 1
+#define MGA_CARD_TYPE_G400 2
+
+
+#define MGA_FRONT 0x1
+#define MGA_BACK 0x2
+#define MGA_DEPTH 0x4
+
+/* What needs to be changed for the current vertex dma buffer?
+ */
+#define MGA_UPLOAD_CONTEXT 0x1
+#define MGA_UPLOAD_TEX0 0x2
+#define MGA_UPLOAD_TEX1 0x4
+#define MGA_UPLOAD_PIPE 0x8
+#define MGA_UPLOAD_TEX0IMAGE 0x10
+#define MGA_UPLOAD_TEX1IMAGE 0x20
+#define MGA_UPLOAD_2D 0x40
+#define MGA_WAIT_AGE 0x80 /* handled client-side */
+#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
+#if 0
+#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
+ quiescent */
+#endif
+
+/* 32 buffers of 64k each, total 1 meg.
+ */
+#define MGA_BUFFER_SIZE (1 << 16)
+#define MGA_NUM_BUFFERS 128
+
+/* Keep these small for testing.
+ */
+#define MGA_NR_SAREA_CLIPRECTS 8
+
+/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
+ * regions, subject to a minimum region size of (1<<16) == 64k.
+ *
+ * Clients may subdivide regions internally, but when sharing between
+ * clients, the region size is the minimum granularity.
+ */
+
+#define MGA_CARD_HEAP 0
+#define MGA_AGP_HEAP 1
+#define MGA_NR_TEX_HEAPS 2
+#define MGA_NR_TEX_REGIONS 16
+#define MGA_LOG_MIN_TEX_REGION_SIZE 16
+
+#endif /* __MGA_SAREA_DEFINES__ */
+
+
+/* Setup registers for 3D context
+ */
+typedef struct {
+ unsigned int dstorg;
+ unsigned int maccess;
+ unsigned int plnwt;
+ unsigned int dwgctl;
+ unsigned int alphactrl;
+ unsigned int fogcolor;
+ unsigned int wflag;
+ unsigned int tdualstage0;
+ unsigned int tdualstage1;
+ unsigned int fcol;
+ unsigned int stencil;
+ unsigned int stencilctl;
+} mga_context_regs_t;
+
+/* Setup registers for 2D, X server
+ */
+typedef struct {
+ unsigned int pitch;
+} mga_server_regs_t;
+
+/* Setup registers for each texture unit
+ */
+typedef struct {
+ unsigned int texctl;
+ unsigned int texctl2;
+ unsigned int texfilter;
+ unsigned int texbordercol;
+ unsigned int texorg;
+ unsigned int texwidth;
+ unsigned int texheight;
+ unsigned int texorg1;
+ unsigned int texorg2;
+ unsigned int texorg3;
+ unsigned int texorg4;
+} mga_texture_regs_t;
+
+/* General ageing mechanism
+ */
+typedef struct {
+ unsigned int head; /* Position of head pointer */
+ unsigned int wrap; /* Primary DMA wrap count */
+} mga_age_t;
+
+
+/* WARNING: Do not change the SAREA structure without changing the kernel
+ * as well.
+ */
+typedef struct {
+ /* The channel for communication of state information to the kernel
+ * on firing a vertex dma buffer.
+ */
+ mga_context_regs_t ContextState;
+ mga_server_regs_t ServerState;
+ mga_texture_regs_t TexState[2];
+ unsigned int WarpPipe;
+ unsigned int dirty;
+ unsigned int vertsize;
+
+ /* The current cliprects, or a subset thereof.
+ */
+ XF86DRIClipRectRec boxes[MGA_NR_SAREA_CLIPRECTS];
+ unsigned int nbox;
+
+ /* Information about the most recently used 3d drawable. The
+ * client fills in the req_* fields, the server fills in the
+ * exported_ fields and puts the cliprects into boxes, above.
+ *
+ * The client clears the exported_drawable field before
+ * clobbering the boxes data.
+ */
+
+ unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */
+
+ unsigned int exported_drawable;
+ unsigned int exported_index;
+ unsigned int exported_stamp;
+ unsigned int exported_buffers;
+ unsigned int exported_nfront; /* FIXME: verify signedness... */
+ unsigned int exported_nback;
+ int exported_back_x, exported_front_x, exported_w;
+ int exported_back_y, exported_front_y, exported_h;
+ XF86DRIClipRectRec exported_boxes[MGA_NR_SAREA_CLIPRECTS];
+
+ /* Counters for aging textures and for client-side throttling.
+ */
+ unsigned int status[4];
+ unsigned int last_wrap;
+
+ mga_age_t last_frame;
+ unsigned int last_enqueue; /* last time a buffer was enqueued */
+ unsigned int last_dispatch; /* age of the most recently dispatched buffer */
+ unsigned int last_quiescent; /* */
+
+ /* LRU lists for texture memory in agp space and on the card.
+ */
+ drmTextureRegion texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
+ unsigned int texAge[MGA_NR_TEX_HEAPS];
+
+ /* Last context that uploaded statel
+ */
+ int ctxOwner;
+} MGASAREAPrivRec, *MGASAREAPrivPtr;
+
+#endif