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| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2016-09-06 16:38:56 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-15 03:53:00 +0200 |
| commit | 0ac702d5b903d441ef64e61f453de7c0ce1322fa (patch) | |
| tree | 2e6ed9cc33363c0c659abbab9920856caf1c5ec8 /drivers/media/platform/vsp1/vsp1_entity.c | |
| parent | [media] v4l: Define a pixel format for the R-Car VSP1 2-D histogram engine (diff) | |
| download | linux-0ac702d5b903d441ef64e61f453de7c0ce1322fa.tar.xz linux-0ac702d5b903d441ef64e61f453de7c0ce1322fa.zip | |
[media] v4l: vsp1: Add HGT support
The HGT is a Histogram Generator Two-Dimensions. It computes a weighted
frequency histograms for hue and saturation areas over a configurable
region of the image with optional subsampling.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_entity.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_entity.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index c1587e3f01cb..4bdb3b141611 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -50,6 +50,19 @@ void vsp1_entity_route_setup(struct vsp1_entity *entity, vsp1_dl_list_write(dl, VI6_DPR_HGO_SMPPT, smppt); return; + } else if (entity->type == VSP1_ENTITY_HGT) { + u32 smppt; + + /* + * The HGT is a special case, its routing is configured on the + * sink pad. + */ + source = media_entity_to_vsp1_entity(entity->sources[0]); + smppt = (pipe->output->entity.index << VI6_DPR_SMPPT_TGW_SHIFT) + | (source->route->output << VI6_DPR_SMPPT_PT_SHIFT); + + vsp1_dl_list_write(dl, VI6_DPR_HGT_SMPPT, smppt); + return; } source = entity; @@ -443,6 +456,7 @@ static const struct vsp1_route vsp1_routes[] = { VI6_DPR_NODE_BRU_IN(4) }, VI6_DPR_NODE_BRU_OUT }, VSP1_ENTITY_ROUTE(CLU), { VSP1_ENTITY_HGO, 0, 0, { 0, }, 0 }, + { VSP1_ENTITY_HGT, 0, 0, { 0, }, 0 }, VSP1_ENTITY_ROUTE(HSI), VSP1_ENTITY_ROUTE(HST), { VSP1_ENTITY_LIF, 0, 0, { VI6_DPR_NODE_LIF, }, VI6_DPR_NODE_LIF }, |