add gamma driver - no kernel driver yet

(build tested, not physically tested)

2 files changed, 187 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/gamma/server/glint_common.h b/src/mesa/drivers/dri/gamma/server/glint_common.h
new file mode 100644
index 0000000000..ec601f942d
--- /dev/null
+++ b/src/mesa/drivers/dri/gamma/server/glint_common.h
@@ -0,0 +1,64 @@
+/* glint_common.h -- common header definitions for Gamma 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/glint/glint_common.h,v 1.2 2003/04/03 16:52:18 dawes Exp $
+ *
+ */
+
+#ifndef _GLINT_COMMON_H_
+#define _GLINT_COMMON_H_
+
+/*
+ * WARNING: If you change any of these defines, make sure to change
+ * the kernel include file as well (gamma_drm.h)
+ */
+
+/* Driver specific DRM command indices
+ * NOTE: these are not OS specific, but they are driver specific
+ */
+#define DRM_GAMMA_INIT                0x00
+#define DRM_GAMMA_COPY                0x01
+
+typedef struct {
+   enum {
+      GAMMA_INIT_DMA    = 0x01,
+      GAMMA_CLEANUP_DMA = 0x02
+   } func;
+   int sarea_priv_offset;
+   int pcimode;
+   unsigned int mmio0;
+   unsigned int mmio1;
+   unsigned int mmio2;
+   unsigned int mmio3;
+   unsigned int buffers_offset;
+   int num_rast;
+} drmGAMMAInit;
+
+extern int drmGAMMAInitDMA( int fd, drmGAMMAInit *info );
+extern int drmGAMMACleanupDMA( int fd );
+
+#endif
diff --git a/src/mesa/drivers/dri/gamma/server/glint_dri.h b/src/mesa/drivers/dri/gamma/server/glint_dri.h
new file mode 100644
index 0000000000..3952759f83
--- /dev/null
+++ b/src/mesa/drivers/dri/gamma/server/glint_dri.h
@@ -0,0 +1,123 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/glint/glint_dri.h,v 1.7 2002/10/30 12:52:16 alanh Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, 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, sub license, 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 NON-INFRINGEMENT.
+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.
+
+**************************************************************************/
+
+/*
+ * Author:
+ *   Jens Owen <jens@tungstengraphics.com>
+ *
+ */
+
+#ifndef _GLINT_DRI_H_
+#define _GLINT_DRI_H_
+
+#include "xf86drm.h"
+#include "glint_common.h"
+
+typedef struct {
+	unsigned int	GDeltaMode;
+	unsigned int	GDepthMode;
+	unsigned int	GGeometryMode;
+	unsigned int	GTransformMode;
+} GAMMAContextRegionRec, *GAMMAContextRegionPtr;
+
+typedef struct {
+	unsigned char next, prev; /* indices to form a circular LRU  */
+	unsigned char in_use;	/* owned by a client, or free? */
+	int age;		/* tracked by clients to update local LRU's */
+} GAMMATextureRegionRec, *GAMMATextureRegionPtr;
+
+typedef struct {
+	GAMMAContextRegionRec context_state;
+
+	unsigned int dirty;
+
+	/* Maintain an LRU of contiguous regions of texture space.  If
+	 * you think you own a region of texture memory, and it has an
+	 * age different to the one you set, then you are mistaken and
+	 * it has been stolen by another client.  If global texAge
+	 * hasn't changed, there is no need to walk the list.
+	 *
+	 * These regions can be used as a proxy for the fine-grained
+	 * texture information of other clients - by maintaining them
+	 * in the same lru which is used to age their own textures,
+	 * clients have an approximate lru for the whole of global
+	 * texture space, and can make informed decisions as to which
+	 * areas to kick out.  There is no need to choose whether to
+	 * kick out your own texture or someone else's - simply eject
+	 * them all in LRU order.  
+	 */
+   
+#define GAMMA_NR_TEX_REGIONS 64
+	GAMMATextureRegionRec texList[GAMMA_NR_TEX_REGIONS+1];
+				/* Last elt is sentinal */
+        int texAge;		/* last time texture was uploaded */
+        int last_enqueue;	/* last time a buffer was enqueued */
+	int last_dispatch;	/* age of the most recently dispatched buffer */
+	int last_quiescent;     /*  */
+	int ctxOwner;		/* last context to upload state */
+
+	int vertex_prim;
+} GLINTSAREADRIRec, *GLINTSAREADRIPtr;
+
+/* 
+ * Glint specific record passed back to client driver 
+ * via DRIGetDeviceInfo request
+ */
+typedef struct {
+    drmRegion	registers0;
+    drmRegion	registers1;
+    drmRegion	registers2;
+    drmRegion	registers3;
+    int			numMultiDevices;
+    int			pprod;
+    int			cpp;
+    int			frontOffset;
+    int			frontPitch;
+    int			backOffset;
+    int			backPitch;
+    int			backX;
+    int			backY;
+    int			depthOffset;
+    int			depthPitch;
+    int			textureSize;
+    int 		logTextureGranularity;
+} GLINTDRIRec, *GLINTDRIPtr;
+
+#define GLINT_DRI_BUF_COUNT 256
+#define GLINT_DRI_BUF_SIZE  4096
+
+#define GAMMA_NR_TEX_REGIONS 64
+
+#define DMA_WRITE(val,reg)                                            \
+do {                                                                  \
+    pGlint->buf2D++ = Glint##reg##Tag;                                 \
+    pGlint->buf2D++ = val;                                           \
+} while (0)
+
+#endif /* _GLINT_DRI_H_ */