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diff --git a/tiler/tilermem.h b/tiler/tilermem.h
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+/*
+ *  tilermem.h
+ *
+ *  Tiler Memory Interface functions for TI OMAP processors.
+ *
+ *  Copyright (C) 2009-2011 Texas Instruments, Inc.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  *  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *  *  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *  *  Neither the name of Texas Instruments Incorporated nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ *  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ *  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _TILERMEM_H_
+#define _TILERMEM_H_
+
+/* retrieve type definitions */
+#include "mem_types.h"
+
+/**
+ * Tiler Memory Allocator is responsible for:
+ * <ol>
+ * <li>Getting the stride information for containers(???) or
+ * buffers
+ * <li>Converting virtual addresses to physical addresses.
+ * </ol>
+ */
+
+/**
+ * Returns the tiler stride corresponding to the system space
+ * address.  For 2D buffers it returns the container stride. For
+ * 1D buffers it returns the page size.  For non-tiler buffers
+ * it returns 0.
+ *
+ * @author a0194118 (9/1/2009)
+ *
+ * @param ptr    pointer to a virtual address
+ *
+ * @return The stride of the block that contains the address.
+ */
+bytes_t TilerMem_GetStride(SSPtr ssptr);
+
+/**
+ * Retrieves the physical system-space address that corresponds
+ * to the virtual address.
+ *
+ * @author a0194118 (9/1/2009)
+ *
+ * @param ptr    pointer to a virtual address
+ *
+ * @return The physical system-space address that the virtual
+ *         address refers to.  If the virtual address is invalid
+ *         or unmapped, it returns 0.
+ */
+SSPtr TilerMem_VirtToPhys(void *ptr);
+
+#endif