1 files changed, 68 insertions, 0 deletions

diff --git a/drivers/video/tegra/nvmap/nvmap_heap.h b/drivers/video/tegra/nvmap/nvmap_heap.h
new file mode 100644
index 00000000000..158a1fa3d33
--- /dev/null
+++ b/drivers/video/tegra/nvmap/nvmap_heap.h
@@ -0,0 +1,68 @@
+/*
+ * drivers/video/tegra/nvmap/nvmap_heap.h
+ *
+ * GPU heap allocator.
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __NVMAP_HEAP_H
+#define __NVMAP_HEAP_H
+
+struct device;
+struct nvmap_heap;
+struct attribute_group;
+
+struct nvmap_heap_block {
+        phys_addr_t     base;
+        unsigned int    type;
+        struct nvmap_handle *handle;
+};
+
+#define NVMAP_HEAP_MIN_BUDDY_SIZE       8192
+
+struct nvmap_heap *nvmap_heap_create(struct device *parent, const char *name,
+                                     phys_addr_t base, size_t len,
+                                     unsigned int buddy_size, void *arg);
+
+void nvmap_heap_destroy(struct nvmap_heap *heap);
+
+void *nvmap_heap_device_to_arg(struct device *dev);
+
+void *nvmap_heap_to_arg(struct nvmap_heap *heap);
+
+struct nvmap_heap_block *nvmap_heap_alloc(struct nvmap_heap *heap,
+                                          struct nvmap_handle *handle);
+
+struct nvmap_heap *nvmap_block_to_heap(struct nvmap_heap_block *b);
+
+void nvmap_heap_free(struct nvmap_heap_block *block);
+
+int nvmap_heap_create_group(struct nvmap_heap *heap,
+                            const struct attribute_group *grp);
+
+void nvmap_heap_remove_group(struct nvmap_heap *heap,
+                             const struct attribute_group *grp);
+
+int __init nvmap_heap_init(void);
+
+void nvmap_heap_deinit(void);
+
+int nvmap_flush_heap_block(struct nvmap_client *client,
+        struct nvmap_heap_block *block, size_t len, unsigned int prot);
+
+#endif