From 6cd8831f7accbcc3efb019d7d288c5b6cc28a230 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <unichrome@shipmail.org>
Date: Tue, 23 Mar 2004 21:08:48 +0000
Subject: Merged via-1-2-0

---
 shared-core/via_ds.h | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 shared-core/via_ds.h

(limited to 'shared-core/via_ds.h')

diff --git a/shared-core/via_ds.h b/shared-core/via_ds.h
new file mode 100644
index 00000000..50ab3e7f
--- /dev/null
+++ b/shared-core/via_ds.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
+ * 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
+ * VIA, S3 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 _via_ds_h_ 
+#define _via_ds_h_
+
+#include "via.h"
+#include "drmP.h"
+
+/* Set Data Structure */
+#define SET_SIZE 5000
+typedef unsigned int ITEM_TYPE;
+
+typedef struct {
+        ITEM_TYPE val;
+        int alloc_next, free_next;
+} list_item_t;
+
+typedef struct {
+        int alloc;
+        int free;
+        int trace;
+        list_item_t list[SET_SIZE];
+} set_t;
+
+set_t *via_setInit(void);
+int via_setAdd(set_t *set, ITEM_TYPE item);
+int via_setDel(set_t *set, ITEM_TYPE item);
+int via_setFirst(set_t *set, ITEM_TYPE *item);
+int via_setNext(set_t *set, ITEM_TYPE *item);
+int via_setDestroy(set_t *set);
+
+#endif
+
+
+#ifndef MM_INC
+#define MM_INC
+
+struct mem_block_t {
+        struct mem_block_t *next;
+        struct mem_block_t *heap;
+        int ofs,size;
+        int align;
+        int free:1;
+        int reserved:1;
+};
+typedef struct mem_block_t TMemBlock;
+typedef struct mem_block_t *PMemBlock;
+
+/* a heap is just the first block in a chain */
+typedef struct mem_block_t memHeap_t;
+
+static __inline__ int mmBlockSize(PMemBlock b)
+{ return b->size; }
+
+static __inline__ int mmOffset(PMemBlock b)
+{ return b->ofs; }
+
+static __inline__ void mmMarkReserved(PMemBlock b)
+{ b->reserved = 1; }
+
+/* 
+ * input: total size in bytes
+ * return: a heap pointer if OK, NULL if error
+ */
+memHeap_t *via_mmInit(int ofs, int size);
+
+
+PMemBlock  via_mmAllocMem(memHeap_t *heap, int size, int align2, int startSearch);
+
+/*
+ * Free block starts at offset
+ * input: pointer to a block
+ * return: 0 if OK, -1 if error
+ */
+int  via_mmFreeMem(PMemBlock b);
+
+/*
+ * destroy MM
+ */
+void via_mmDestroy(memHeap_t *mmInit);
+
+/* For debugging purpose. */
+void via_mmDumpMemInfo(memHeap_t *mmInit);
+
+#endif
-- 
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