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| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2016-09-06 11:38:56 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-14 22:53:00 -0300 |
| commit | 0ac702d5b903d441ef64e61f453de7c0ce1322fa (patch) | |
| tree | 2e6ed9cc33363c0c659abbab9920856caf1c5ec8 /drivers/media/platform/vsp1/vsp1_pipe.c | |
| parent | 5deb1c04c9f2cc3fe4b355a55a8fad244683a54a (diff) | |
[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_pipe.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_pipe.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.c b/drivers/media/platform/vsp1/vsp1_pipe.c index bc0460c24397..edebf3fa926f 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.c +++ b/drivers/media/platform/vsp1/vsp1_pipe.c @@ -24,6 +24,7 @@ #include "vsp1_dl.h" #include "vsp1_entity.h" #include "vsp1_hgo.h" +#include "vsp1_hgt.h" #include "vsp1_pipe.h" #include "vsp1_rwpf.h" #include "vsp1_uds.h" @@ -211,12 +212,19 @@ void vsp1_pipeline_reset(struct vsp1_pipeline *pipe) hgo->histo.pipe = NULL; } + if (pipe->hgt) { + struct vsp1_hgt *hgt = to_hgt(&pipe->hgt->subdev); + + hgt->histo.pipe = NULL; + } + INIT_LIST_HEAD(&pipe->entities); pipe->state = VSP1_PIPELINE_STOPPED; pipe->buffers_ready = 0; pipe->num_inputs = 0; pipe->bru = NULL; pipe->hgo = NULL; + pipe->hgt = NULL; pipe->lif = NULL; pipe->uds = NULL; } @@ -299,6 +307,11 @@ int vsp1_pipeline_stop(struct vsp1_pipeline *pipe) (7 << VI6_DPR_SMPPT_TGW_SHIFT) | (VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT)); + if (pipe->hgt) + vsp1_write(vsp1, VI6_DPR_HGT_SMPPT, + (7 << VI6_DPR_SMPPT_TGW_SHIFT) | + (VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT)); + v4l2_subdev_call(&pipe->output->entity.subdev, video, s_stream, 0); return ret; @@ -325,6 +338,9 @@ void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe) if (pipe->hgo) vsp1_hgo_frame_end(pipe->hgo); + if (pipe->hgt) + vsp1_hgt_frame_end(pipe->hgt); + if (pipe->frame_end) pipe->frame_end(pipe); |