[PATCH v2 19.1/25] drm/bridge/mhl: add MHL3 infoframe related definitions

[Andrzej Hajda]

MHL3 protocol uses vendor specific infoframes to transmit additional
information to the sink. This patch adds definitions of structures and
constants used to create such frames.

Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
 include/drm/bridge/mhl.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/include/drm/bridge/mhl.h b/include/drm/bridge/mhl.h
index 71d922f..8dfa2cd 100644
--- a/include/drm/bridge/mhl.h
+++ b/include/drm/bridge/mhl.h
@@ -339,4 +339,36 @@ struct mhl_burst_audio_descr {
 	u8 short_desc[9];
 } __packed;
 
+/*
+ * MHL3 infoframe related definitions
+ */
+
+#define MHL3_IEEE_OUI		0x7ca61d
+#define MHL3_INFOFRAME_SIZE	15
+
+enum mhl3_video_format {
+	mhl3_video_format_none,
+	mhl3_video_format_3d,
+	mhl3_video_format_multi_view,
+	mhl3_video_format_dual_3d
+};
+
+enum mhl3_3d_format_type {
+	mhl3_3d_format_type_fs, /* frame sequential */
+	mhl3_3d_format_type_tb, /* top-bottom */
+	mhl3_3d_format_type_lr, /* left-right */
+	mhl3_3d_format_type_fs_tb, /* frame sequential, top-bottom */
+	mhl3_3d_format_type_fs_lr, /* frame sequential, left-right */
+	mhl3_3d_format_type_tb_lr /* top-bottom, left-right */
+};
+
+struct mhl3_infoframe {
+	unsigned char version;
+	enum mhl3_video_format video_format;
+	enum mhl3_3d_format_type format_type;
+	bool sep_audio;
+	int hev_format;
+	int av_delay;
+};
+
 #endif /* __MHL_H__ */
-- 
2.7.4