From be1cd6fe205806fbbcf59061d7b64759b160ca31 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Wed, 1 Feb 2017 08:47:46 +0100 Subject: [PATCH] drm/bridge/mhl: add MHL3 infoframe related definitions 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 Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-20-git-send-email-a.hajda@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 e8d194da4b2c..fbdfc8d7f3c7 100644 --- a/include/drm/bridge/mhl.h +++ b/include/drm/bridge/mhl.h @@ -341,4 +341,36 @@ 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__ */ -- 2.20.1