1 files changed, 65 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_mm.h b/drivers/gpu/drm/nouveau/nouveau_mm.h
new file mode 100644
index 000000000000..798eaf39691c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_mm.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * 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 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
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#ifndef __NOUVEAU_REGION_H__
+#define __NOUVEAU_REGION_H__
+
+struct nouveau_mm_node {
+        struct list_head nl_entry;
+        struct list_head fl_entry;
+        struct list_head rl_entry;
+
+        u8  type;
+        u32 offset;
+        u32 length;
+};
+
+struct nouveau_mm {
+        struct list_head nodes;
+        struct list_head free;
+
+        struct mutex mutex;
+
+        u32 block_size;
+};
+
+int  nouveau_mm_init(struct nouveau_mm **, u32 offset, u32 length, u32 block);
+int  nouveau_mm_fini(struct nouveau_mm **);
+int  nouveau_mm_pre(struct nouveau_mm *);
+int  nouveau_mm_get(struct nouveau_mm *, int type, u32 size, u32 size_nc,
+                    u32 align, struct nouveau_mm_node **);
+void nouveau_mm_put(struct nouveau_mm *, struct nouveau_mm_node *);
+
+int  nv50_vram_init(struct drm_device *);
+int  nv50_vram_new(struct drm_device *, u64 size, u32 align, u32 size_nc,
+                    u32 memtype, struct nouveau_vram **);
+void nv50_vram_del(struct drm_device *, struct nouveau_vram **);
+bool nv50_vram_flags_valid(struct drm_device *, u32 tile_flags);
+
+int  nvc0_vram_init(struct drm_device *);
+int  nvc0_vram_new(struct drm_device *, u64 size, u32 align, u32 ncmin,
+                    u32 memtype, struct nouveau_vram **);
+bool nvc0_vram_flags_valid(struct drm_device *, u32 tile_flags);
+
+#endif