From e47a4fda2ef7aada45b7799ad20e8012102dc12e Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Date: Wed, 30 Aug 2006 13:04:08 +0200
Subject: Memory manager init and takedown.

---
 libdrm/Makefile.am |  2 +-
 libdrm/xf86drm.c   | 30 +++++++++++++++++++++++++++++-
 libdrm/xf86drm.h   |  2 ++
 libdrm/xf86mm.h    |  9 ++++++++-
 4 files changed, 40 insertions(+), 3 deletions(-)

(limited to 'libdrm')

diff --git a/libdrm/Makefile.am b/libdrm/Makefile.am
index b12e87fa..91a7e5dc 100644
--- a/libdrm/Makefile.am
+++ b/libdrm/Makefile.am
@@ -26,6 +26,6 @@ AM_CFLAGS = -I$(top_srcdir)/shared-core
 libdrm_la_SOURCES = xf86drm.c xf86drmHash.c xf86drmRandom.c xf86drmSL.c
 
 libdrmincludedir = ${includedir}
-libdrminclude_HEADERS = xf86drm.h
+libdrminclude_HEADERS = xf86drm.h xf86mm.h
 
 EXTRA_DIST = ChangeLog TODO
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 3fccdf69..c9005c41 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -65,7 +65,6 @@
 # define _DRM_FREE   free
 # include "drm.h"
 #endif
-#include "xf86mm.h"
 
 
 /* Not all systems have MAP_FAILED defined */
@@ -2582,6 +2581,7 @@ int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size,
 	buf->ttm = ttm;
 	break;
     case drm_bo_type_dc:
+        req->buffer_start = start;
 	break;
     case drm_bo_type_user:
 	req->buffer_start = (unsigned long) user_buffer;
@@ -2699,4 +2699,32 @@ int drmBOUnReference(int fd, drmBO *buf)
     return 0;
 }   
 
+int drmMMInit(int fd, unsigned long vramPOffset, unsigned long vramPSize,
+	      unsigned long ttPOffset, unsigned long ttPSize)
+{
+    drm_mm_init_arg_t arg;
+
+    arg.req.op = mm_init;
+    arg.req.vr_p_offset = vramPOffset;
+    arg.req.vr_p_size = vramPSize;
+    arg.req.tt_p_offset = vramPOffset;
+    arg.req.tt_p_size = vramPSize;
+    
+    if (ioctl(fd, DRM_IOCTL_MM_INIT, &arg))
+	return -errno;
+    
+    return 0;	
+}
+
+int drmMMTakedown(int fd)
+{
+    drm_mm_init_arg_t arg;
+    arg.req.op = mm_takedown;
+
+    if (ioctl(fd, DRM_IOCTL_MM_INIT, &arg))
+	return -errno;
+    
+    return 0;	
+}
+
 #endif
diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index ca48bfbf..f257deda 100644
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -670,4 +670,6 @@ extern int  drmSLLookupNeighbors(void *l, unsigned long key,
 				 unsigned long *prev_key, void **prev_value,
 				 unsigned long *next_key, void **next_value);
 
+#include "xf86mm.h"
+
 #endif
diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h
index 08149d08..8711a144 100644
--- a/libdrm/xf86mm.h
+++ b/libdrm/xf86mm.h
@@ -29,7 +29,7 @@
 #ifndef _XF86MM_H_
 #define _XF86MM_H_
 #include <stddef.h>
-#include "xf86drm.h"
+#include "drm.h"
 
 /*
  * List macros heavily inspired by the Linux kernel
@@ -114,5 +114,12 @@ typedef struct _drmBOList {
     drmMMListHead free;
 } drmBOList;
 
+extern int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size,
+			      void *user_buffer, drm_bo_type_t type, unsigned mask,
+		unsigned hint, drmBO *buf);
+extern int drmBODestroy(int fd, drmBO *buf);
+extern int drmBOReference(int fd, unsigned handle, drmBO *buf);
+extern int drmBOUnReference(int fd, drmBO *buf);
+
 
 #endif
-- 
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