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* video/hdmi: Reject illegal picture aspect ratiosVille Syrjälä2018-05-111-0/+3
| | | | | | | | | | | | | | | | | | | | AVI infoframe can only carry none, 4:3, or 16:9 picture aspect ratios. Return an error if the user asked for something different. Cc: Shashank Sharma <shashank.sharma@intel.com> Cc: "Lin, Jia" <lin.a.jia@intel.com> Cc: Akashdeep Sharma <akashdeep.sharma@intel.com> Cc: Jim Bride <jim.bride@linux.intel.com> Cc: Jose Abreu <Jose.Abreu@synopsys.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Emil Velikov <emil.l.velikov@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: linux-media@vger.kernel.org Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1525777785-9740-6-git-send-email-ankit.k.nautiyal@intel.com
* video/hdmi: Allow "empty" HDMI infoframesVille Syrjälä2017-11-221-20/+31
| | | | | | | | | | | | | | | | | | | | | | HDMI 2.0 Appendix F suggest that we should keep sending the infoframe when switching from 3D to 2D mode, even if the infoframe isn't strictly necessary (ie. not needed to transmit the VIC or stereo information). This is a workaround against some sinks that fail to realize that they should switch from 3D to 2D mode when the source stop transmitting the infoframe. v2: Handle unpack() as well Pull the length calculation into a helper Cc: Shashank Sharma <shashank.sharma@intel.com> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: linux-media@vger.kernel.org Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> #v1 Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171113170427.4150-2-ville.syrjala@linux.intel.com Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
* video: Add new aspect ratios for HDMI 2.0Shashank Sharma2016-10-171-0/+4
| | | | | | | | | | | | | | | | | | | | | | HDMI 2.0/CEA-861-F introduces two new aspect ratios: - 64:27 - 256:135 This patch adds enumeration for the new aspect ratios in the existing aspect ratio list. V2: rebase V3: rebase V4: Added r-b from Jose, Ack by Tomi Signed-off-by: Shashank Sharma <shashank.sharma@intel.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1476705880-15600-4-git-send-email-shashank.sharma@intel.com
* [media] hdmi: rename HDMI_AUDIO_CODING_TYPE_EXT_STREAM to _EXT_CTHans Verkuil2015-01-271-1/+1
| | | | | | | | | | As per the suggestion of Thierry Reding rename HDMI_AUDIO_CODING_TYPE_EXT_STREAM to HDMI_AUDIO_CODING_TYPE_EXT_CT to be consistent with the CEA-861 spec. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] hdmi: added unpack and logging functions for InfoFramesMartin Bugge2015-01-271-7/+815
| | | | | | | | | | | | | | When receiving video it is very useful to be able to unpack the InfoFrames. Logging is useful as well, both for transmitters and receivers. Especially when implementing the VIDIOC_LOG_STATUS ioctl (supported by many V4L2 drivers) for a receiver it is important to be able to easily log what the InfoFrame contains. This greatly simplifies debugging. Signed-off-by: Martin Bugge <marbugge@cisco.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* video/hdmi: Rename HDMI_IDENTIFIER to HDMI_IEEE_OUILespiau, Damien2013-08-301-2/+2
| | | | | | | | | | | | HDMI_IDENTIFIER was felt too generic, rename it to what it is, the IEEE OUI corresponding to HDMI Licensing, LLC. http://standards.ieee.org/develop/regauth/oui/oui.txt Cc: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
* video/hdmi: Use hdmi_vendor_infoframe for the HDMI specific infoframeLespiau, Damien2013-08-301-12/+13
| | | | | | | | | | | | We just got rid of the version of hdmi_vendor_infoframe that had a byte array for anyone to poke at. It's now time to shuffle around the naming of hdmi_hdmi_infoframe to make hdmi_vendor_infoframe become the HDMI vendor specific structure. Cc: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
* video/hdmi: Hook the HDMI vendor infoframe with the generic _pack()Lespiau, Damien2013-08-301-36/+10
| | | | | | | | | | | | | | | | | | | | | | With this last bit, hdmi_infoframe_pack() is now able to pack any infoframe we support. At the same time, because it's impractical to make two commits out of this, we get rid of the version that encourages the open coding of the vendor infoframe packing. We can do so because the only user of this API has been ported in: Author: Damien Lespiau <damien.lespiau@intel.com> Date: Mon Aug 12 18:08:37 2013 +0100 gpu: host1x: Port the HDMI vendor infoframe code the common helpers v2: Change oui to be an unsigned int (Ville Syrjälä) Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
* video/hdmi: Introduce helpers for the HDMI vendor specific infoframeLespiau, Damien2013-08-301-0/+90
| | | | | | | | | | | | | | | | | | Provide the same programming model than the other infoframe types. The generic _pack() function can't handle those yet as we need to move the vendor OUI in the generic hdmi_vendor_infoframe structure to know which kind of vendor infoframe we are dealing with. v2: Fix the value of Side-by-side (half), hmdi typo, pack 3D_Ext_Data (Ville Syrjälä) v3: Future proof the sending of 3D_Ext_Data (Ville Syrjälä), Fix multi-lines comment style (Thierry Reding) Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
* video/hdmi: Derive the bar data valid bit from the bar data fieldsLespiau, Damien2013-08-301-2/+3
| | | | | | | | | | | | | | | | Just like: Author: Damien Lespiau <damien.lespiau@intel.com> Date: Mon Aug 12 11:53:24 2013 +0100 video/hdmi: Don't let the user of this API create invalid infoframes But this time for the horizontal/vertical bar data present bits. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
* video/hdmi: Don't let the user of this API create invalid infoframesLespiau, Damien2013-08-301-1/+5
| | | | | | | | | | | | | | | | | | | | | | To set the active aspect ratio value in the AVI infoframe today, you not only have to set the active_aspect field, but also the active_info_valid bit. Out of the 1 user of this API, we had 100% misuse, forgetting the _valid bit. This was fixed in: Author: Damien Lespiau <damien.lespiau@intel.com> Date: Tue Aug 6 20:32:17 2013 +0100 drm: Don't generate invalid AVI infoframes for CEA modes We can do better and derive the _valid bit from the user wanting to set the active aspect ratio. v2: Fix multi-lines comment style (Thierry Reding) Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dave Airlie <airlied@gmail.com>
* video/hmdi: Clear the whole incoming buffer, not just the infoframe sizeDamien Lespiau2013-08-081-4/+4
| | | | | | | | | | | | | | | | | If the user if this API is providing a bigger buffer than the infoframe size, it could be for a could reason. For instance it could be because it gives the buffer that will be written to the hardware, up to the maximum of an infoframe size. Instead of just zeroing up to the infoframe size, let's zero the whole incoming buffer as those extra bytes are also used to compute the ECC and need to be 0. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Acked-by: Dave Airlie <airlied@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
* video/hdmi: Introduce a generic hdmi_infoframe unionDamien Lespiau2013-08-081-0/+43
| | | | | | | | | | | And a way to pack hdmi_infoframe generically. Cc: Thierry Reding <thierry.reding@avionic-design.de> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Acked-by: Dave Airlie <airlied@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
* video/hdmi: Replace the payload length by their definesDamien Lespiau2013-08-081-3/+3
| | | | | | | | | Cc: Thierry Reding <thierry.reding@avionic-design.de> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Acked-by: Dave Airlie <airlied@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
* video: hdmi: Relicense under MITThierry Reding2013-04-121-3/+18
| | | | | | | | | In order to make it easier to port the code to other operating systems (like the BSDs), relicense the HDMI helpers under the more permissive MIT license. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Dave Airlie <airlied@redhat.com>
* video: Add generic HDMI infoframe helpersThierry Reding2013-02-221-0/+308
Add generic helpers to pack HDMI infoframes into binary buffers. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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