1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/media/video/tiler/tcm/tcm_utils.h b/drivers/media/video/tiler/tcm/tcm_utils.h
new file mode 100644
index 000000000000..7d0ed5c149b8
--- /dev/null
+++ b/drivers/media/video/tiler/tcm/tcm_utils.h
@@ -0,0 +1,59 @@
+/*
+ * tcm_utils.h
+ *
+ * Utility functions for implementing TILER container managers.
+ *
+ * Copyright (C) 2009-2010 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 _TCM_UTILS_H
+#define _TCM_UTILS_H
+
+#include "tcm.h"
+
+#define AREA_FMT   "(%03d %03d)-(%03d %03d)"
+#define AREA(area) (area).p0.x, (area).p0.y, (area).p1.x, (area).p1.y
+
+/* TCM_ALG_NAME must be defined to use the debug methods */
+
+#ifdef DEBUG
+#define IFDEBUG(x) x
+#else
+#define IFDEBUG(x) do { if (0) x; } while (0)
+#endif
+
+#define P(level, fmt, ...) \
+	IFDEBUG(printk(level TCM_ALG_NAME ":%d:%s()" fmt "\n", \
+			__LINE__, __func__, ##__VA_ARGS__))
+
+#define P1(fmt, ...) P(KERN_NOTICE, fmt, ##__VA_ARGS__)
+#define P2(fmt, ...) P(KERN_INFO, fmt, ##__VA_ARGS__)
+#define P3(fmt, ...) P(KERN_DEBUG, fmt, ##__VA_ARGS__)
+
+#define PA(level, msg, p_area) P##level(msg " " AREA_FMT "\n", AREA(*(p_area)))
+
+/* assign coordinates to area */
+static inline
+void assign(struct tcm_area *a, u16 x0, u16 y0, u16 x1, u16 y1)
+{
+	a->p0.x = x0;
+	a->p0.y = y0;
+	a->p1.x = x1;
+	a->p1.y = y1;
+}
+
+static inline
+void dump_area(struct tcm_area *area)
+{
+	printk(KERN_NOTICE AREA_FMT "\n", AREA(*area));
+}
+
+#endif