From: Laurent Pinchart Date: Sat, 24 Aug 2013 23:49:58 +0000 (-0300) Subject: [media] v4l: vsp1: Add cropping support X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e5ad37b64de975463c51f9ed4e4c55dc6e442ba5;p=linux-beck.git [media] v4l: vsp1: Add cropping support Implement the get and set selection operations on the RPF and WPF entities. Only the crop targets are currently available. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 254871d3423e..bce2be5466b9 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -47,25 +47,36 @@ static int rpf_s_stream(struct v4l2_subdev *subdev, int enable) struct vsp1_rwpf *rpf = to_rwpf(subdev); const struct vsp1_format_info *fmtinfo = rpf->video.fmtinfo; const struct v4l2_pix_format_mplane *format = &rpf->video.format; + const struct v4l2_rect *crop = &rpf->crop; u32 pstride; u32 infmt; if (!enable) return 0; - /* Source size and stride. Cropping isn't supported yet. */ + /* Source size, stride and crop offsets. + * + * The crop offsets correspond to the location of the crop rectangle top + * left corner in the plane buffer. Only two offsets are needed, as + * planes 2 and 3 always have identical strides. + */ vsp1_rpf_write(rpf, VI6_RPF_SRC_BSIZE, - (format->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | - (format->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT)); + (crop->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | + (crop->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT)); vsp1_rpf_write(rpf, VI6_RPF_SRC_ESIZE, - (format->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) | - (format->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT)); + (crop->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) | + (crop->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT)); + rpf->offsets[0] = crop->top * format->plane_fmt[0].bytesperline + + crop->left * fmtinfo->bpp[0] / 8; pstride = format->plane_fmt[0].bytesperline << VI6_RPF_SRCM_PSTRIDE_Y_SHIFT; - if (format->num_planes > 1) + if (format->num_planes > 1) { + rpf->offsets[1] = crop->top * format->plane_fmt[1].bytesperline + + crop->left * fmtinfo->bpp[1] / 8; pstride |= format->plane_fmt[1].bytesperline << VI6_RPF_SRCM_PSTRIDE_C_SHIFT; + } vsp1_rpf_write(rpf, VI6_RPF_SRCM_PSTRIDE, pstride); @@ -113,6 +124,8 @@ static struct v4l2_subdev_pad_ops rpf_pad_ops = { .enum_frame_size = vsp1_rwpf_enum_frame_size, .get_fmt = vsp1_rwpf_get_format, .set_fmt = vsp1_rwpf_set_format, + .get_selection = vsp1_rwpf_get_selection, + .set_selection = vsp1_rwpf_set_selection, }; static struct v4l2_subdev_ops rpf_ops = { @@ -129,11 +142,14 @@ static void rpf_vdev_queue(struct vsp1_video *video, { struct vsp1_rwpf *rpf = container_of(video, struct vsp1_rwpf, video); - vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, buf->addr[0]); + vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, + buf->addr[0] + rpf->offsets[0]); if (buf->buf.num_planes > 1) - vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, buf->addr[1]); + vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, + buf->addr[1] + rpf->offsets[1]); if (buf->buf.num_planes > 2) - vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, buf->addr[2]); + vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, + buf->addr[2] + rpf->offsets[1]); } static const struct vsp1_video_operations rpf_vdev_ops = { diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c index 9752d5516ceb..782f770daee5 100644 --- a/drivers/media/platform/vsp1/vsp1_rwpf.c +++ b/drivers/media/platform/vsp1/vsp1_rwpf.c @@ -71,6 +71,19 @@ int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev, return 0; } +static struct v4l2_rect * +vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf, struct v4l2_subdev_fh *fh, u32 which) +{ + switch (which) { + case V4L2_SUBDEV_FORMAT_TRY: + return v4l2_subdev_get_try_crop(fh, RWPF_PAD_SINK); + case V4L2_SUBDEV_FORMAT_ACTIVE: + return &rwpf->crop; + default: + return NULL; + } +} + int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *fmt) { @@ -87,6 +100,7 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, { struct vsp1_rwpf *rwpf = to_rwpf(subdev); struct v4l2_mbus_framefmt *format; + struct v4l2_rect *crop; /* Default to YUV if the requested format is not supported. */ if (fmt->format.code != V4L2_MBUS_FMT_ARGB8888_1X32 && @@ -115,6 +129,13 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, fmt->format = *format; + /* Update the sink crop rectangle. */ + crop = vsp1_rwpf_get_crop(rwpf, fh, fmt->which); + crop->left = 0; + crop->top = 0; + crop->width = fmt->format.width; + crop->height = fmt->format.height; + /* Propagate the format to the source pad. */ format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SOURCE, fmt->which); @@ -122,3 +143,78 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, return 0; } + +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) +{ + struct vsp1_rwpf *rwpf = to_rwpf(subdev); + struct v4l2_mbus_framefmt *format; + + /* Cropping is implemented on the sink pad. */ + if (sel->pad != RWPF_PAD_SINK) + return -EINVAL; + + switch (sel->target) { + case V4L2_SEL_TGT_CROP: + sel->r = *vsp1_rwpf_get_crop(rwpf, fh, sel->which); + break; + + case V4L2_SEL_TGT_CROP_BOUNDS: + format = vsp1_entity_get_pad_format(&rwpf->entity, fh, + RWPF_PAD_SINK, sel->which); + sel->r.left = 0; + sel->r.top = 0; + sel->r.width = format->width; + sel->r.height = format->height; + break; + + default: + return -EINVAL; + } + + return 0; +} + +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) +{ + struct vsp1_rwpf *rwpf = to_rwpf(subdev); + struct v4l2_mbus_framefmt *format; + struct v4l2_rect *crop; + + /* Cropping is implemented on the sink pad. */ + if (sel->pad != RWPF_PAD_SINK) + return -EINVAL; + + if (sel->target != V4L2_SEL_TGT_CROP) + return -EINVAL; + + /* Make sure the crop rectangle is entirely contained in the image. The + * WPF top and left offsets are limited to 255. + */ + format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SINK, + sel->which); + sel->r.left = min_t(unsigned int, sel->r.left, format->width - 2); + sel->r.top = min_t(unsigned int, sel->r.top, format->height - 2); + if (rwpf->entity.type == VSP1_ENTITY_WPF) { + sel->r.left = min_t(unsigned int, sel->r.left, 255); + sel->r.top = min_t(unsigned int, sel->r.top, 255); + } + sel->r.width = min_t(unsigned int, sel->r.width, + format->width - sel->r.left); + sel->r.height = min_t(unsigned int, sel->r.height, + format->height - sel->r.top); + + crop = vsp1_rwpf_get_crop(rwpf, fh, sel->which); + *crop = sel->r; + + /* Propagate the format to the source pad. */ + format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SOURCE, + sel->which); + format->width = crop->width; + format->height = crop->height; + + return 0; +} diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.h b/drivers/media/platform/vsp1/vsp1_rwpf.h index c182d85f36b3..6cbdb547470b 100644 --- a/drivers/media/platform/vsp1/vsp1_rwpf.h +++ b/drivers/media/platform/vsp1/vsp1_rwpf.h @@ -29,6 +29,10 @@ struct vsp1_rwpf { unsigned int max_width; unsigned int max_height; + + struct v4l2_rect crop; + + unsigned int offsets[2]; }; static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev) @@ -49,5 +53,11 @@ int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *fmt); int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *fmt); +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel); +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel); #endif /* __VSP1_RWPF_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c b/drivers/media/platform/vsp1/vsp1_wpf.c index db4b85ee05fc..7baed81ff005 100644 --- a/drivers/media/platform/vsp1/vsp1_wpf.c +++ b/drivers/media/platform/vsp1/vsp1_wpf.c @@ -48,8 +48,7 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) struct vsp1_pipeline *pipe = to_vsp1_pipeline(&wpf->entity.subdev.entity); struct vsp1_device *vsp1 = wpf->entity.vsp1; - const struct v4l2_mbus_framefmt *format = - &wpf->entity.formats[RWPF_PAD_SOURCE]; + const struct v4l2_rect *crop = &wpf->crop; unsigned int i; u32 srcrpf = 0; u32 outfmt = 0; @@ -68,7 +67,7 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) vsp1_wpf_write(wpf, VI6_WPF_SRCRPF, srcrpf); - /* Destination stride. Cropping isn't supported yet. */ + /* Destination stride. */ if (!pipe->lif) { struct v4l2_pix_format_mplane *format = &wpf->video.format; @@ -79,10 +78,12 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) format->plane_fmt[1].bytesperline); } - vsp1_wpf_write(wpf, VI6_WPF_HSZCLIP, - format->width << VI6_WPF_SZCLIP_SIZE_SHIFT); - vsp1_wpf_write(wpf, VI6_WPF_VSZCLIP, - format->height << VI6_WPF_SZCLIP_SIZE_SHIFT); + vsp1_wpf_write(wpf, VI6_WPF_HSZCLIP, VI6_WPF_SZCLIP_EN | + (crop->left << VI6_WPF_SZCLIP_OFST_SHIFT) | + (crop->width << VI6_WPF_SZCLIP_SIZE_SHIFT)); + vsp1_wpf_write(wpf, VI6_WPF_VSZCLIP, VI6_WPF_SZCLIP_EN | + (crop->top << VI6_WPF_SZCLIP_OFST_SHIFT) | + (crop->height << VI6_WPF_SZCLIP_SIZE_SHIFT)); /* Format */ if (!pipe->lif) { @@ -130,6 +131,8 @@ static struct v4l2_subdev_pad_ops wpf_pad_ops = { .enum_frame_size = vsp1_rwpf_enum_frame_size, .get_fmt = vsp1_rwpf_get_format, .set_fmt = vsp1_rwpf_set_format, + .get_selection = vsp1_rwpf_get_selection, + .set_selection = vsp1_rwpf_set_selection, }; static struct v4l2_subdev_ops wpf_ops = {