Added missing tegra files.HEADmaster

1 files changed, 78 insertions, 0 deletions

diff --git a/drivers/gpu/ion/ion_heap.c b/drivers/gpu/ion/ion_heap.c
new file mode 100644
index 00000000000..6d09778745c
--- /dev/null
+++ b/drivers/gpu/ion/ion_heap.c
@@ -0,0 +1,78 @@
+/*
+ * drivers/gpu/ion/ion_heap.c
+ *
+ * Copyright (C) 2011 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/err.h>
+#include <linux/ion.h>
+#include "ion_priv.h"
+
+struct ion_heap *ion_heap_create(struct ion_platform_heap *heap_data)
+{
+        struct ion_heap *heap = NULL;
+
+        switch (heap_data->type) {
+        case ION_HEAP_TYPE_SYSTEM_CONTIG:
+                heap = ion_system_contig_heap_create(heap_data);
+                break;
+        case ION_HEAP_TYPE_SYSTEM:
+                heap = ion_system_heap_create(heap_data);
+                break;
+        case ION_HEAP_TYPE_CARVEOUT:
+                heap = ion_carveout_heap_create(heap_data);
+                break;
+        case ION_HEAP_TYPE_IOMMU:
+                heap = ion_iommu_heap_create(heap_data);
+                break;
+        default:
+                pr_err("%s: Invalid heap type %d\n", __func__,
+                       heap_data->type);
+                return ERR_PTR(-EINVAL);
+        }
+
+        if (IS_ERR_OR_NULL(heap)) {
+                pr_err("%s: error creating heap %s type %d base %lu size %u\n",
+                       __func__, heap_data->name, heap_data->type,
+                       heap_data->base, heap_data->size);
+                return ERR_PTR(-EINVAL);
+        }
+
+        heap->name = heap_data->name;
+        heap->id = heap_data->id;
+        return heap;
+}
+
+void ion_heap_destroy(struct ion_heap *heap)
+{
+        if (!heap)
+                return;
+
+        switch (heap->type) {
+        case ION_HEAP_TYPE_SYSTEM_CONTIG:
+                ion_system_contig_heap_destroy(heap);
+                break;
+        case ION_HEAP_TYPE_SYSTEM:
+                ion_system_heap_destroy(heap);
+                break;
+        case ION_HEAP_TYPE_CARVEOUT:
+                ion_carveout_heap_destroy(heap);
+                break;
+        case ION_HEAP_TYPE_IOMMU:
+                ion_iommu_heap_destroy(heap);
+                break;
+        default:
+                pr_err("%s: Invalid heap type %d\n", __func__,
+                       heap->type);
+        }
+}