diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-02-24 20:40:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-14 22:48:33 -0300 |
| commit | f2421521de185c0281799712863db8e23d29a375 (patch) | |
| tree | dd6069b9d23bfeb7f7a5a2fe33a98c0f50ad9c73 /drivers/media/platform/vsp1/vsp1_entity.c | |
| parent | 14d66538716574f8899b22bff24a68301e65f08d (diff) | |
[media] v4l: vsp1: Add HGO support
The HGO is a Histogram Generator One-Dimension. It computes per-channel
histograms over a configurable region of the image with optional
subsampling.
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 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index 88a2aae182ba..c1587e3f01cb 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -37,6 +37,21 @@ void vsp1_entity_route_setup(struct vsp1_entity *entity, struct vsp1_entity *source; struct vsp1_entity *sink; + if (entity->type == VSP1_ENTITY_HGO) { + u32 smppt; + + /* + * The HGO 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_HGO_SMPPT, smppt); + return; + } + source = entity; if (source->route->reg == 0) return; @@ -427,6 +442,7 @@ static const struct vsp1_route vsp1_routes[] = { VI6_DPR_NODE_BRU_IN(2), VI6_DPR_NODE_BRU_IN(3), VI6_DPR_NODE_BRU_IN(4) }, VI6_DPR_NODE_BRU_OUT }, VSP1_ENTITY_ROUTE(CLU), + { VSP1_ENTITY_HGO, 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 }, |