[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20241014-qcom-video-iris-v4-v4-15-c5eaa4e9ab9e@quicinc.com>
Date: Mon, 14 Oct 2024 14:37:36 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
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: Hans Verkuil <hverkuil@...all.nl>,
Sebastian Fricke
<sebastian.fricke@...labora.com>,
<linux-arm-msm@...r.kernel.org>, <linux-media@...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 v4 15/28] media: iris: implement query_cap, query_ctrl and
query_menu ioctls
From: Vedang Nagar <quic_vnagar@...cinc.com>
Implement query_cap, query_ctrl and query_menu ioctls
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 | 52 ++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
index 93d2be118a81..60ee05b67f86 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -300,6 +300,55 @@ static int iris_enum_framesizes(struct file *filp, void *fh,
return 0;
}
+static int iris_querycap(struct file *filp, void *fh, struct v4l2_capability *cap)
+{
+ strscpy(cap->driver, IRIS_DRV_NAME, sizeof(cap->driver));
+ strscpy(cap->bus_info, IRIS_BUS_NAME, sizeof(cap->bus_info));
+ memset(cap->reserved, 0, sizeof(cap->reserved));
+ strscpy(cap->card, "iris_decoder", sizeof(cap->card));
+
+ return 0;
+}
+
+static int iris_queryctrl(struct file *filp, void *fh, struct v4l2_queryctrl *q_ctrl)
+{
+ struct v4l2_ctrl *ctrl;
+ struct iris_inst *inst = iris_get_inst(filp, NULL);
+
+ ctrl = v4l2_ctrl_find(&inst->ctrl_handler, q_ctrl->id);
+ if (!ctrl)
+ return -EINVAL;
+
+ q_ctrl->minimum = ctrl->minimum;
+ q_ctrl->maximum = ctrl->maximum;
+ q_ctrl->default_value = ctrl->default_value;
+ q_ctrl->flags = 0;
+ q_ctrl->step = ctrl->step;
+
+ return 0;
+}
+
+static int iris_querymenu(struct file *filp, void *fh, struct v4l2_querymenu *qmenu)
+{
+ struct iris_inst *inst = iris_get_inst(filp, NULL);
+ struct v4l2_ctrl *ctrl;
+
+ ctrl = v4l2_ctrl_find(&inst->ctrl_handler, qmenu->id);
+ if (!ctrl)
+ return -EINVAL;
+
+ if (ctrl->type != V4L2_CTRL_TYPE_MENU)
+ return -EINVAL;
+
+ if (qmenu->index < ctrl->minimum || qmenu->index > ctrl->maximum)
+ return -EINVAL;
+
+ if (ctrl->menu_skip_mask & (1 << qmenu->index))
+ return -EINVAL;
+
+ return 0;
+}
+
static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
@@ -366,6 +415,9 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = {
.vidioc_g_fmt_vid_out_mplane = iris_g_fmt_vid_mplane,
.vidioc_enum_framesizes = iris_enum_framesizes,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_querycap = iris_querycap,
+ .vidioc_queryctrl = iris_queryctrl,
+ .vidioc_querymenu = iris_querymenu,
.vidioc_g_selection = iris_g_selection,
.vidioc_subscribe_event = iris_subscribe_event,
.vidioc_unsubscribe_event = iris_unsubscribe_event,
--
2.34.1
Powered by blists - more mailing lists