[PATCH] vcodec: mediatek: Add g/s_selection support for V4L2 Encoder

From: Tiffany Lin
Date: Mon May 30 2016 - 03:52:59 EST


This patch add g/s_selection support for MT8173

Signed-off-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
---
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 74 ++++++++++++++++++++
1 file changed, 74 insertions(+)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index 6e72d73..23ef9a1 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -630,6 +630,77 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
return vidioc_try_fmt(f, fmt);
}

+static int vidioc_venc_g_selection(struct file *file, void *priv,
+ struct v4l2_selection *s)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ struct mtk_q_data *q_data;
+
+ /* crop means compose for output devices */
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ case V4L2_SEL_TGT_CROP:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ case V4L2_SEL_TGT_COMPOSE:
+ if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ mtk_v4l2_err("Invalid s->type = %d", s->type);
+ return -EINVAL;
+ }
+ break;
+ default:
+ mtk_v4l2_err("Invalid s->target = %d", s->target);
+ return -EINVAL;
+ }
+
+ q_data = mtk_venc_get_q_data(ctx, s->type);
+ if (!q_data)
+ return -EINVAL;
+
+ s->r.top = 0;
+ s->r.left = 0;
+ s->r.width = q_data->visible_width;
+ s->r.height = q_data->visible_height;
+
+ return 0;
+}
+
+static int vidioc_venc_s_selection(struct file *file, void *priv,
+ struct v4l2_selection *s)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ struct mtk_q_data *q_data;
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ case V4L2_SEL_TGT_CROP:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ case V4L2_SEL_TGT_COMPOSE:
+ if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ mtk_v4l2_err("Invalid s->type = %d", s->type);
+ return -EINVAL;
+ }
+ break;
+ default:
+ mtk_v4l2_err("Invalid s->target = %d", s->target);
+ return -EINVAL;
+ }
+
+ q_data = mtk_venc_get_q_data(ctx, s->type);
+ if (!q_data)
+ return -EINVAL;
+
+ s->r.top = 0;
+ s->r.left = 0;
+ q_data->visible_width = s->r.width;
+ q_data->visible_height = s->r.height;
+
+ return 0;
+}
+
static int vidioc_venc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
@@ -688,6 +759,9 @@ const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {

.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+
+ .vidioc_g_selection = vidioc_venc_g_selection,
+ .vidioc_s_selection = vidioc_venc_s_selection,
};

static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
--
1.7.9.5