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

Andrzej Hajda a.hajda at samsung.com
Tue Jan 31 12:41:25 UTC 2017


On 31.01.2017 12:03, Archit Taneja wrote:
>
> On 01/26/2017 07:20 PM, Andrzej Hajda wrote:
>> 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 */
>> +};
>> +
> Can we keep the enums in caps?

Ups, will fix it now :)

Regards
Andrzej

>
> Thanks,
> Archit
>
>> +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__ */
>>



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