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Wed, 20 Nov 2024 14:47:44 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; Wed, 20 Nov 2024 06:47:39 -0800 From: Dikshita Agarwal Date: Wed, 20 Nov 2024 20:16:03 +0530 Subject: [PATCH v6 13/28] media: iris: implement subscribe_event and unsubscribe_event ioctls Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241120-qcom-video-iris-v6-13-a8cf6704e992@quicinc.com> References: <20241120-qcom-video-iris-v6-0-a8cf6704e992@quicinc.com> In-Reply-To: <20241120-qcom-video-iris-v6-0-a8cf6704e992@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; a=ed25519-sha256; t=1732113983; l=4457; i=quic_dikshita@quicinc.com; s=20240917; h=from:subject:message-id; bh=1DvM7J74kUtS4JtLaQfrazG5fg8bqhKNeG/nGTYgEBw=; b=AQPdfdT41fcC9/fygKaq9HOP6WcDrm5G8+bEAfLlU9NqFuj+/eGdKjERLA9eSY4Lq3+lyIEY6 bLGef6DpoqGDK9B+FGafgdi99pniS5giiwDSCMC82zw63VKbnjPA91C X-Developer-Key: i=quic_dikshita@quicinc.com; a=ed25519; pk=EEvKY6Ar1OI5SWf44FJ1Ebo1KuQEVbbf5UNPO+UHVhM= X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: TD5spztk_WU-y2Z-FdUiJpECYyb58xDr X-Proofpoint-GUID: TD5spztk_WU-y2Z-FdUiJpECYyb58xDr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 spamscore=0 mlxlogscore=999 clxscore=1015 suspectscore=0 adultscore=0 priorityscore=1501 phishscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411200098 From: Vedang Nagar Implement subscribe_event and unsubscribe_event iocts with necessary hooks. 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/media/platform/qcom/iris/iris_instance.h index 1e9a6075357f..ef4515d2086c 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 */ 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; }; #endif diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c index 742b45432481..9afeb681b7a7 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 reserved. */ +#include #include #include "iris_buffer.h" @@ -193,3 +194,27 @@ int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l2_format *f) return 0; } + +int iris_vdec_subscribe_event(struct iris_inst *inst, const struct v4l2_event_subscription *sub) +{ + int ret = 0; + + switch (sub->type) { + case V4L2_EVENT_EOS: + ret = v4l2_event_subscribe(&inst->fh, sub, 0, NULL); + inst->subscriptions |= V4L2_EVENT_EOS; + break; + case V4L2_EVENT_SOURCE_CHANGE: + ret = v4l2_src_change_event_subscribe(&inst->fh, sub); + inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; + break; + case V4L2_EVENT_CTRL: + ret = v4l2_ctrl_subscribe_event(&inst->fh, sub); + inst->subscriptions |= V4L2_EVENT_CTRL; + break; + default: + return -EINVAL; + } + + return ret; +} diff --git a/drivers/media/platform/qcom/iris/iris_vdec.h b/drivers/media/platform/qcom/iris/iris_vdec.h index ae456676e578..f64ce3234e6a 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_event_subscription *sub); #endif diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/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 @@ */ #include +#include #include #include @@ -322,6 +323,13 @@ static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection * return 0; } +static int iris_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) +{ + struct iris_inst *inst = container_of(fh, struct iris_inst, fh); + + return iris_vdec_subscribe_event(inst, sub); +} + static struct v4l2_file_operations iris_v4l2_file_ops = { .owner = THIS_MODULE, .open = iris_open, @@ -347,6 +355,8 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = { .vidioc_enum_framesizes = iris_enum_framesizes, .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, .vidioc_g_selection = iris_g_selection, + .vidioc_subscribe_event = iris_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; void iris_init_ops(struct iris_core *core)