diff options
| author | Laurent Pinchart | 2016-02-25 00:40:22 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2017-04-15 03:48:33 +0200 |
| commit | f2421521de185c0281799712863db8e23d29a375 (patch) | |
| tree | dd6069b9d23bfeb7f7a5a2fe33a98c0f50ad9c73 /drivers/media/platform/vsp1/vsp1_drv.c | |
| parent | [media] v4l: Define a pixel format for the R-Car VSP1 1-D histogram engine (diff) | |
| download | kernel-qcow2-linux-f2421521de185c0281799712863db8e23d29a375.tar.gz kernel-qcow2-linux-f2421521de185c0281799712863db8e23d29a375.tar.xz kernel-qcow2-linux-f2421521de185c0281799712863db8e23d29a375.zip | |
[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_drv.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_drv.c | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index 83a6669a6328..0acc8ed6ac59 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -30,6 +30,7 @@ #include "vsp1_clu.h" #include "vsp1_dl.h" #include "vsp1_drm.h" +#include "vsp1_hgo.h" #include "vsp1_hsit.h" #include "vsp1_lif.h" #include "vsp1_lut.h" @@ -150,6 +151,16 @@ static int vsp1_uapi_create_links(struct vsp1_device *vsp1) return ret; } + if (vsp1->hgo) { + ret = media_create_pad_link(&vsp1->hgo->histo.entity.subdev.entity, + HISTO_PAD_SOURCE, + &vsp1->hgo->histo.video.entity, 0, + MEDIA_LNK_FL_ENABLED | + MEDIA_LNK_FL_IMMUTABLE); + if (ret < 0) + return ret; + } + if (vsp1->lif) { ret = media_create_pad_link(&vsp1->wpf[0]->entity.subdev.entity, RWPF_PAD_SOURCE, @@ -283,6 +294,17 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) list_add_tail(&vsp1->hst->entity.list_dev, &vsp1->entities); + if (vsp1->info->features & VSP1_HAS_HGO && vsp1->info->uapi) { + vsp1->hgo = vsp1_hgo_create(vsp1); + if (IS_ERR(vsp1->hgo)) { + ret = PTR_ERR(vsp1->hgo); + goto done; + } + + list_add_tail(&vsp1->hgo->histo.entity.list_dev, + &vsp1->entities); + } + /* * The LIF is only supported when used in conjunction with the DU, in * which case the userspace API is disabled. If the userspace API is @@ -568,8 +590,8 @@ static const struct vsp1_device_info vsp1_device_infos[] = { .version = VI6_IP_VERSION_MODEL_VSPS_H2, .model = "VSP1-S", .gen = 2, - .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT - | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP, + .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_HGO + | VSP1_HAS_LUT | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP, .rpf_count = 5, .uds_count = 3, .wpf_count = 4, @@ -589,7 +611,8 @@ static const struct vsp1_device_info vsp1_device_infos[] = { .version = VI6_IP_VERSION_MODEL_VSPD_GEN2, .model = "VSP1-D", .gen = 2, - .features = VSP1_HAS_BRU | VSP1_HAS_LIF | VSP1_HAS_LUT, + .features = VSP1_HAS_BRU | VSP1_HAS_HGO | VSP1_HAS_LIF + | VSP1_HAS_LUT, .rpf_count = 4, .uds_count = 1, .wpf_count = 1, @@ -599,8 +622,8 @@ static const struct vsp1_device_info vsp1_device_infos[] = { .version = VI6_IP_VERSION_MODEL_VSPS_M2, .model = "VSP1-S", .gen = 2, - .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT - | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP, + .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_HGO + | VSP1_HAS_LUT | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP, .rpf_count = 5, .uds_count = 1, .wpf_count = 4, @@ -632,8 +655,9 @@ static const struct vsp1_device_info vsp1_device_infos[] = { .version = VI6_IP_VERSION_MODEL_VSPI_GEN3, .model = "VSP2-I", .gen = 3, - .features = VSP1_HAS_CLU | VSP1_HAS_LUT | VSP1_HAS_SRU - | VSP1_HAS_WPF_HFLIP | VSP1_HAS_WPF_VFLIP, + .features = VSP1_HAS_CLU | VSP1_HAS_HGO | VSP1_HAS_LUT + | VSP1_HAS_SRU | VSP1_HAS_WPF_HFLIP + | VSP1_HAS_WPF_VFLIP, .rpf_count = 1, .uds_count = 1, .wpf_count = 1, @@ -651,8 +675,8 @@ static const struct vsp1_device_info vsp1_device_infos[] = { .version = VI6_IP_VERSION_MODEL_VSPBC_GEN3, .model = "VSP2-BC", .gen = 3, - .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT - | VSP1_HAS_WPF_VFLIP, + .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_HGO + | VSP1_HAS_LUT | VSP1_HAS_WPF_VFLIP, .rpf_count = 5, .wpf_count = 1, .num_bru_inputs = 5, |