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Tue, 05 Nov 2024 06:57:41 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4A56veML001936 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 5 Nov 2024 06:57:40 GMT Received: from hu-dikshita-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 4 Nov 2024 22:57:34 -0800 From: Dikshita Agarwal Date: Tue, 5 Nov 2024 12:25:33 +0530 Subject: [PATCH v5 13/28] media: iris: implement subscribe_event and unsubscribe_event ioctls Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20241105-qcom-video-iris-v5-13-a88e7c220f78@quicinc.com> References: <20241105-qcom-video-iris-v5-0-a88e7c220f78@quicinc.com> In-Reply-To: <20241105-qcom-video-iris-v5-0-a88e7c220f78@quicinc.com> To: Vikash Garodia , Abhinav Kumar , Mauro Carvalho Chehab , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Philipp Zabel CC: Hans Verkuil , Sebastian Fricke , Bryan O'Donoghue , Dmitry Baryshkov , Neil Armstrong , Nicolas Dufresne , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Jianhua Lu , , , , , "Dikshita Agarwal" , Vedang Nagar X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; 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Signed-off-by: Vedang Nagar Signed-off-by: Dikshita Agarwal --- drivers/media/platform/qcom/iris/iris_instance.h | 2 ++ drivers/media/platform/qcom/iris/iris_vdec.c | 25 ++++++++++++++++++++= ++++ drivers/media/platform/qcom/iris/iris_vdec.h | 1 + drivers/media/platform/qcom/iris/iris_vidc.c | 10 ++++++++++ 4 files changed, 38 insertions(+) diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/med= ia/platform/qcom/iris/iris_instance.h index bb43119af352..d28b8fd7ec2f 100644 --- a/drivers/media/platform/qcom/iris/iris_instance.h +++ b/drivers/media/platform/qcom/iris/iris_instance.h @@ -30,6 +30,7 @@ * @once_per_session_set: boolean to set once per session property * @m2m_dev: a reference to m2m device structure * @m2m_ctx: a reference to m2m context structure + * @subscriptions: variable to hold current events subscriptions */ =20 struct iris_inst { @@ -48,6 +49,7 @@ struct iris_inst { bool once_per_session_set; struct v4l2_m2m_dev *m2m_dev; struct v4l2_m2m_ctx *m2m_ctx; + unsigned int subscriptions; }; =20 #endif diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/p= latform/qcom/iris/iris_vdec.c index b2858c96e859..3c9bea5f0532 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.c +++ b/drivers/media/platform/qcom/iris/iris_vdec.c @@ -3,6 +3,7 @@ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights res= erved. */ =20 +#include #include =20 #include "iris_buffer.h" @@ -204,3 +205,27 @@ int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l= 2_format *f) =20 return 0; } + +int iris_vdec_subscribe_event(struct iris_inst *inst, const struct v4l2_ev= ent_subscription *sub) +{ + int ret =3D 0; + + switch (sub->type) { + case V4L2_EVENT_EOS: + ret =3D v4l2_event_subscribe(&inst->fh, sub, 0, NULL); + inst->subscriptions |=3D V4L2_EVENT_EOS; + break; + case V4L2_EVENT_SOURCE_CHANGE: + ret =3D v4l2_src_change_event_subscribe(&inst->fh, sub); + inst->subscriptions |=3D V4L2_EVENT_SOURCE_CHANGE; + break; + case V4L2_EVENT_CTRL: + ret =3D v4l2_ctrl_subscribe_event(&inst->fh, sub); + inst->subscriptions |=3D V4L2_EVENT_CTRL; + break; + default: + return -EINVAL; + } + + return ret; +} diff --git a/drivers/media/platform/qcom/iris/iris_vdec.h b/drivers/media/p= latform/qcom/iris/iris_vdec.h index eb8a1121ae92..707fff34bf4d 100644 --- a/drivers/media/platform/qcom/iris/iris_vdec.h +++ b/drivers/media/platform/qcom/iris/iris_vdec.h @@ -13,5 +13,6 @@ void iris_vdec_inst_deinit(struct iris_inst *inst); int iris_vdec_enum_fmt(struct iris_inst *inst, struct v4l2_fmtdesc *f); int iris_vdec_try_fmt(struct iris_inst *inst, struct v4l2_format *f); int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l2_format *f); +int iris_vdec_subscribe_event(struct iris_inst *inst, const struct v4l2_ev= ent_subscription *sub); =20 #endif diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/p= latform/qcom/iris/iris_vidc.c index bc77dfc2ba67..3a138172e674 100644 --- a/drivers/media/platform/qcom/iris/iris_vidc.c +++ b/drivers/media/platform/qcom/iris/iris_vidc.c @@ -4,6 +4,7 @@ */ =20 #include +#include #include #include =20 @@ -322,6 +323,13 @@ static int iris_g_selection(struct file *filp, void *f= h, struct v4l2_selection * return 0; } =20 +static int iris_subscribe_event(struct v4l2_fh *fh, const struct v4l2_even= t_subscription *sub) +{ + struct iris_inst *inst =3D container_of(fh, struct iris_inst, fh); + + return iris_vdec_subscribe_event(inst, sub); +} + static struct v4l2_file_operations iris_v4l2_file_ops =3D { .owner =3D THIS_MODULE, .open =3D iris_open, @@ -347,6 +355,8 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = =3D { .vidioc_enum_framesizes =3D iris_enum_framesizes, .vidioc_reqbufs =3D v4l2_m2m_ioctl_reqbufs, .vidioc_g_selection =3D iris_g_selection, + .vidioc_subscribe_event =3D iris_subscribe_event, + .vidioc_unsubscribe_event =3D v4l2_event_unsubscribe, }; =20 void iris_init_ops(struct iris_core *core) --=20 2.34.1