1 files changed, 78 insertions, 0 deletions

diff --git a/drivers/char/drm/drm_sarea.h b/drivers/char/drm/drm_sarea.h
new file mode 100644
index 000000000000..de782ed2f03a
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+++ b/drivers/char/drm/drm_sarea.h
@@ -0,0 +1,78 @@
+/**
+ * \file drm_sarea.h 
+ * \brief SAREA definitions
+ *
+ * \author Michel Dänzer <michel@daenzer.net>
+ */
+
+/*
+ * 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
+ * TUNGSTEN GRAPHICS 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.
+ */
+
+#ifndef _DRM_SAREA_H_
+#define _DRM_SAREA_H_
+
+#include "drm.h"
+
+/* SAREA area needs to be at least a page */
+#if defined(__alpha__)
+#define SAREA_MAX                       0x2000
+#elif defined(__ia64__)
+#define SAREA_MAX                       0x10000         /* 64kB */
+#else
+/* Intel 830M driver needs at least 8k SAREA */
+#define SAREA_MAX                       0x2000
+#endif
+
+/** Maximum number of drawables in the SAREA */
+#define SAREA_MAX_DRAWABLES             256
+
+#define SAREA_DRAWABLE_CLAIMED_ENTRY    0x80000000
+
+/** SAREA drawable */
+typedef struct drm_sarea_drawable {
+    unsigned int        stamp;
+    unsigned int        flags;
+} drm_sarea_drawable_t;
+
+/** SAREA frame */
+typedef struct drm_sarea_frame {
+    unsigned int        x;
+    unsigned int        y;
+    unsigned int        width;
+    unsigned int        height;
+    unsigned int        fullscreen;
+} drm_sarea_frame_t;
+
+/** SAREA */
+typedef struct drm_sarea {
+    /** first thing is always the DRM locking structure */
+    drm_hw_lock_t               lock;
+    /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
+    drm_hw_lock_t               drawable_lock;
+    drm_sarea_drawable_t        drawableTable[SAREA_MAX_DRAWABLES];     /**< drawables */
+    drm_sarea_frame_t           frame;  /**< frame */
+    drm_context_t               dummy_context;
+} drm_sarea_t;
+
+#endif  /* _DRM_SAREA_H_ */