1 files changed, 88 insertions, 0 deletions
diff --git a/include/linux/omap_ion.h b/include/linux/omap_ion.h
new file mode 100644
index 0000000..f73f127
--- /dev/null
+++ b/include/linux/omap_ion.h
@@ -0,0 +1,88 @@
+/*
+ * include/linux/omap_ion.h
+ *
+ * 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.
+ *
+ */
+
+#ifndef _LINUX_OMAP_ION_H
+#define _LINUX_OMAP_ION_H
+
+#include <linux/types.h>
+
+/**
+ * struct omap_ion_tiler_alloc_data - metadata passed from userspace for allocations
+ * @w:		width of the allocation
+ * @h:		height of the allocation
+ * @fmt:	format of the data (8, 16, 32bit or page)
+ * @flags:	flags passed to heap
+ * @stride:	stride of the allocation, returned to caller from kernel
+ * @handle:	pointer that will be populated with a cookie to use to refer
+ *		to this allocation
+ *
+ * Provided by userspace as an argument to the ioctl
+ */
+struct omap_ion_tiler_alloc_data {
+	size_t w;
+	size_t h;
+	int fmt;
+	unsigned int flags;
+	struct ion_handle *handle;
+	size_t stride;
+	size_t offset;
+};
+
+#ifdef __KERNEL__
+int omap_ion_tiler_alloc(struct ion_client *client,
+			 struct omap_ion_tiler_alloc_data *data);
+int omap_ion_nonsecure_tiler_alloc(struct ion_client *client,
+			 struct omap_ion_tiler_alloc_data *data);
+/* given a handle in the tiler, return a list of tiler pages that back it */
+int omap_tiler_pages(struct ion_client *client, struct ion_handle *handle,
+		     int *n, u32 ** tiler_pages);
+#endif /* __KERNEL__ */
+
+/* additional heaps used only on omap */
+enum {
+	OMAP_ION_HEAP_TYPE_TILER = ION_HEAP_TYPE_CUSTOM + 1,
+};
+
+#define OMAP_ION_HEAP_TILER_MASK (1 << OMAP_ION_HEAP_TYPE_TILER)
+
+enum {
+	OMAP_ION_TILER_ALLOC,
+};
+
+/**
+ * These should match the defines in the tiler driver
+ */
+enum {
+	TILER_PIXEL_FMT_MIN   = 0,
+	TILER_PIXEL_FMT_8BIT  = 0,
+	TILER_PIXEL_FMT_16BIT = 1,
+	TILER_PIXEL_FMT_32BIT = 2,
+	TILER_PIXEL_FMT_PAGE  = 3,
+	TILER_PIXEL_FMT_MAX   = 3
+};
+
+/**
+ * List of heaps in the system
+ */
+enum {
+	OMAP_ION_HEAP_LARGE_SURFACES,
+	OMAP_ION_HEAP_TILER,
+	OMAP_ION_HEAP_SECURE_INPUT,
+	OMAP_ION_HEAP_NONSECURE_TILER,
+};
+
+#endif /* _LINUX_ION_H */
+