Upgrade to version 4.1 of radeon driver.

Includes some common routines which may be used by other drivers. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8405 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-07-16 00:46:01 +00:00
parent 2cca927fe5
commit 8f6c61bcef
33 changed files with 1723 additions and 229 deletions
@@ -0,0 +1,43 @@
+/*
+	Copyright (c) 2002, Thomas Kurschel
+
+
+	Part of Radeon kernel driver
+		
+	Memory manager used for graphics mem
+*/
+
+#ifndef _MEMMGR_H
+#define _MEMMGR_H
+
+#include <OS.h>
+
+
+// allocated memory block
+typedef struct mem_block {
+	struct mem_block *prev, *next;
+	uint32 base;
+	uint32 size;
+	void *tag;
+	bool alloced;
+} mem_block;
+
+
+// memory heap
+typedef struct mem_info {
+	mem_block *first;
+	uint32 block_size;
+	sem_id lock;
+	mem_block *heap;
+	mem_block *unused;
+	uint32 heap_entries;
+} mem_info;
+
+
+mem_info *mem_init( uint32 start, uint32 len, uint32 block_size, uint32 heap_entries );
+void mem_destroy( mem_info *mem );
+status_t mem_alloc( mem_info *mem, uint32 size, void *tag, uint32 *block, uint32 *offset );
+status_t mem_free( mem_info *mem, uint32 block_id, void *tag );
+void mem_freetag( mem_info *mem, void *tag );
+
+#endif