initial commit

sources from http://omapzoom.org

1 files changed, 68 insertions, 0 deletions

diff --git a/kernel-headers/linux/bvbuffdesc.h b/kernel-headers/linux/bvbuffdesc.h
new file mode 100644
index 0000000..8dab36f
--- /dev/null
+++ b/kernel-headers/linux/bvbuffdesc.h
@@ -0,0 +1,68 @@
+/*
+ * bvbuffdesc.h
+ *
+ * Copyright (C) 2011 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef BVBUFFDESC_H
+#define BVBUFFDESC_H
+
+/*
+ * bvbuffmap - This is a private structure used by BLTsville
+ * implementations to manage resources associated with a buffer.  A pointer
+ * to this is returned from bv_map() and used in subsequent bv_blt() and
+ * bv_unmap() calls.
+ */
+struct bvbuffmap;
+
+#define BVATDEF_VENDOR_SHIFT	24
+#define BVATDEF_VENDOR_MASK	(0xFF << BVATDEF_VENDOR_SHIFT)
+
+/* Common aux type */
+#define BVATDEF_VENDOR_ALL	(0x00 << BVATDEF_VENDOR_SHIFT)
+
+/* Texas Instruments, Inc. */
+#define BVATDEF_VENDOR_TI	(0x01 << BVATDEF_VENDOR_SHIFT)
+
+enum bvauxtype {
+	BVAT_NONE = 0,	/* auxptr not used */
+	BVAT_PHYSDESC =	/* handle points to bvphysdesc struct */
+		BVATDEF_VENDOR_ALL + 1,
+
+#ifdef BVAT_EXTERNAL_INCLUDE
+#include BVAT_EXTERNAL_INCLUDE
+#endif
+};
+
+
+struct bvphysdesc {
+	unsigned int structsize;	/* used to identify struct version */
+	unsigned long pagesize;		/* page size in bytes */
+	unsigned long *pagearray;	/* array of physical pages */
+	unsigned int pagecount;		/* number of pages in the pagearray */
+	unsigned long pageoffset;	/* page offset in bytes */
+};
+
+/*
+ * bvbuffdesc - This structure is used to specify the buffer parameters
+ * in a call to bv_map().
+ */
+struct bvbuffdesc {
+	unsigned int structsize;	/* used to identify struct version */
+	void *virtaddr;			/* virtual ptr to start of buffer */
+	unsigned long length;		/* length of the buffer in bytes */
+	struct bvbuffmap *map;		/* resource(s) associated w/buffer */
+	enum bvauxtype auxtype;		/* type of auxptr */
+	void *auxptr;			/* additional buffer description data;
+					type depends on auxtype */
+};
+
+#endif /* BVBUFFDESC_H */