linux-kernel - [PATCH v3 13/29] media: iris: implement g

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Message-Id: <20240827-iris_v3-v3-13-c5fdbbe65e70@quicinc.com>
Date: Tue, 27 Aug 2024 15:35:38 +0530
From: Dikshita Agarwal via B4 Relay <devnull+quic_dikshita.quicinc.com@...nel.org>
To: Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Dikshita Agarwal <quic_dikshita@...cinc.com>, 
 Vedang Nagar <quic_vnagar@...cinc.com>
Subject: [PATCH v3 13/29] media: iris: implement g_selection ioctl

From: Vedang Nagar <quic_vnagar@...cinc.com>

Implement g_selection ioctl in the driver with necessary hooks.

Signed-off-by: Vedang Nagar <quic_vnagar@...cinc.com>
Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
---
 drivers/media/platform/qcom/iris/iris_vidc.c | 40 ++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
index 7eafbbfd22e4..e09c0a156387 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -309,6 +309,45 @@ static int iris_g_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format
 	return ret;
 }
 
+static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
+{
+	struct iris_inst *inst;
+	int ret = 0;
+
+	inst = iris_get_inst(filp, fh);
+	if (!inst || !s)
+		return -EINVAL;
+
+	mutex_lock(&inst->lock);
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
+	    s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_CROP_BOUNDS:
+	case V4L2_SEL_TGT_CROP_DEFAULT:
+	case V4L2_SEL_TGT_CROP:
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+	case V4L2_SEL_TGT_COMPOSE_PADDED:
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+	case V4L2_SEL_TGT_COMPOSE:
+		s->r.left = inst->crop.left;
+		s->r.top = inst->crop.top;
+		s->r.width = inst->crop.width;
+		s->r.height = inst->crop.height;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+unlock:
+	mutex_unlock(&inst->lock);
+
+	return ret;
+}
+
 static struct v4l2_file_operations iris_v4l2_file_ops = {
 	.owner                          = THIS_MODULE,
 	.open                           = iris_open,
@@ -330,6 +369,7 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = {
 	.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
 	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
 	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
+	.vidioc_g_selection             = iris_g_selection,
 };
 
 void iris_init_ops(struct iris_core *core)

-- 
2.34.1