1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/media/video/tiler/tcm/tcm_rr.h b/drivers/media/video/tiler/tcm/tcm_rr.h
new file mode 100644
index 000000000000..20d06a139167
--- /dev/null
+++ b/drivers/media/video/tiler/tcm/tcm_rr.h
@@ -0,0 +1,135 @@
+/*
+ * tcm_rr.h
+ *
+ *  Created on: Mar 25, 2010
+ *      Author: Ravikiran Ramachandra
+ *
+ *      This header describes the private structures required
+ *      for the implementation of (SImple Tiler Allocator) SiTA Algo.
+ */
+
+#ifndef TCM_RR_H_
+#define TCM_RR_H_
+
+#include "tcm.h"
+#include "tcm_dbg.h"
+
+#define IN
+#define OUT
+#define INOUT
+
+#define YES             1
+#define NO              0
+
+#define OCCUPIED        YES
+#define NOT_OCCUPIED    NO
+
+#define FIT             YES
+#define NO_FIT          NO
+
+#define TL_CORNER       0
+#define TR_CORNER       1
+#define BL_CORNER       3
+#define BR_CORNER       4
+
+/*Note Alignment 64 gets the highest priority */
+#define ALIGN_STRIDE(align)	((align == ALIGN_64) ? 64 : \
+				((align == ALIGN_32) ? 32 : \
+				((align == ALIGN_16) ? 16 : 1)))
+
+/*Provide inclusive length between co-ordinates */
+#define INCL_LEN(high, low)		(high - low + 1)
+#define INCL_LEN_MOD(start, end)	((start > end) ? (start-end + 1) : \
+		(end - start + 1))
+
+#define TOTAL_BOUNDARY(stat) ((stat)->top_boundary + (stat)->bottom_boundary + \
+				(stat)->left_boundary + (stat)->right_boundary)
+#define TOTAL_OCCUPIED(stat) ((stat)->top_occupied + (stat)->bottom_occupied + \
+				(stat)->left_occupied + (stat)->right_occupied)
+
+
+#define MUTEX_LOCK(m)   (mutex_lock(m))
+#define MUTEX_REL(m)    (mutex_unlock(m))
+
+
+enum tiler_error {
+	TilerErrorNone = 0,
+	TilerErrorGeneral = -1,
+	TilerErrorInvalidDimension = -2,
+	TilerErrorNoRoom = -3,
+	TilerErrorInvalidArg = -4,
+	TilerErrorMatchNotFound = -5,
+	TilerErrorOverFlow = -6,
+	TilerErrorInvalidScanArea = -7,
+	TilerErrorNotSupported = -8,
+};
+
+enum Criteria {
+	CR_MAX_NEIGHS = 0x01,
+	CR_FIRST_FOUND = 0x10,
+	CR_BIAS_HORIZONTAL = 0x20,
+	CR_BIAS_VERTICAL = 0x40,
+	CR_DIAGONAL_BALANCE = 0x80
+};
+
+struct nearness_factor {
+	s32 nf_x;
+	s32 nf_y;
+};
+
+/*
+ * Linked list structure
+ */
+struct area_spec_list;
+
+struct area_spec_list {
+	struct tcm_area area;
+	u16 area_type;
+	struct area_spec_list *next;
+};
+
+/*
+ * Everything is a rectangle with four sides 	and on
+ * each side you could have a boundary or another Tile.
+ * The tile could be Occupied or Not. These info is stored
+ */
+struct neighbour_stats {
+	u16 left_boundary;
+	u16 left_occupied;
+	u16 top_boundary;
+	u16 top_occupied;
+	u16 right_boundary;
+	u16 right_occupied;
+	u16 bottom_boundary;
+	u16 bottom_occupied;
+};
+
+struct tiler_page {
+	/* is tiler_page Occupied */
+	u8 is_occupied;
+	/* Parent area to which this tiler_page belongs */
+	struct tcm_area parent_area;
+	/* 1D or 2D */
+	u16 type;
+	u32 reserved;
+};
+
+
+struct sita_pvt {
+	u16 width;
+	u16 height;
+	/* This list keeps a track of all the allocations that happened in terms
+	of area allocated, this list is checked for removing any allocations */
+	struct area_spec_list *res_list;
+	/* mutex */
+	struct mutex mtx;
+	/* Divider point splitting the tiler container
+	horizontally and vertically */
+	struct tcm_pt div_pt;
+	/*map of busy/non busy tiler of a given container*/
+	struct tiler_page **tcm_map;
+	/*allocation counter, keeps rolling with */
+	u32 id;
+};
+
+#endif /* TCM_RR_H_ */