1 files changed, 65 insertions, 0 deletions

diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h
new file mode 100644
index 000000000000..037cd7be001e
--- /dev/null
+++ b/include/media/soc_mediabus.h
@@ -0,0 +1,65 @@
+/*
+ * SoC-camera Media Bus API extensions
+ *
+ * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program 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.
+ */
+
+#ifndef SOC_MEDIABUS_H
+#define SOC_MEDIABUS_H
+
+#include <linux/videodev2.h>
+
+#include <media/v4l2-mediabus.h>
+
+/**
+ * enum soc_mbus_packing - data packing types on the media-bus
+ * @SOC_MBUS_PACKING_NONE:      no packing, bit-for-bit transfer to RAM
+ * @SOC_MBUS_PACKING_2X8_PADHI: 16 bits transferred in 2 8-bit samples, in the
+ *                              possibly incomplete byte high bits are padding
+ * @SOC_MBUS_PACKING_2X8_PADLO: as above, but low bits are padding
+ * @SOC_MBUS_PACKING_EXTEND16:  sample width (e.g., 10 bits) has to be extended
+ *                              to 16 bits
+ */
+enum soc_mbus_packing {
+        SOC_MBUS_PACKING_NONE,
+        SOC_MBUS_PACKING_2X8_PADHI,
+        SOC_MBUS_PACKING_2X8_PADLO,
+        SOC_MBUS_PACKING_EXTEND16,
+};
+
+/**
+ * enum soc_mbus_order - sample order on the media bus
+ * @SOC_MBUS_ORDER_LE:          least significant sample first
+ * @SOC_MBUS_ORDER_BE:          most significant sample first
+ */
+enum soc_mbus_order {
+        SOC_MBUS_ORDER_LE,
+        SOC_MBUS_ORDER_BE,
+};
+
+/**
+ * struct soc_mbus_pixelfmt - Data format on the media bus
+ * @name:               Name of the format
+ * @fourcc:             Fourcc code, that will be obtained if the data is
+ *                      stored in memory in the following way:
+ * @packing:            Type of sample-packing, that has to be used
+ * @order:              Sample order when storing in memory
+ * @bits_per_sample:    How many bits the bridge has to sample
+ */
+struct soc_mbus_pixelfmt {
+        const char              *name;
+        u32                     fourcc;
+        enum soc_mbus_packing   packing;
+        enum soc_mbus_order     order;
+        u8                      bits_per_sample;
+};
+
+const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc(
+        enum v4l2_mbus_pixelcode code);
+s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf);
+
+#endif