Commit 5c1418b8 authored by Vedang Nagar's avatar Vedang Nagar Committed by Hans Verkuil
Browse files

media: iris: implement subscribe_event and unsubscribe_event ioctls 



Implement the subscribe_event and unsubscribe_event iocts with the
necessary hooks.

Signed-off-by: default avatarVedang Nagar <quic_vnagar@quicinc.com>
Reviewed-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: default avatarStefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: default avatarDikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
parent fb1417ed

drivers/media/platform/qcom/iris/iris_vdec.c

+22 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
 * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.

 */



#include <media/v4l2-event.h>

#include <media/v4l2-mem2mem.h>



#include "iris_buffer.h"
@@ -193,3 +194,24 @@ 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);

		break;

	case V4L2_EVENT_SOURCE_CHANGE:

		ret = v4l2_src_change_event_subscribe(&inst->fh, sub);

		break;

	case V4L2_EVENT_CTRL:

		ret = v4l2_ctrl_subscribe_event(&inst->fh, sub);

		break;

	default:

		return -EINVAL;

	}



	return ret;

}

drivers/media/platform/qcom/iris/iris_vdec.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/media/platform/qcom/iris/iris_vidc.c

+10 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
 */



#include <linux/pm_runtime.h>

#include <media/v4l2-event.h>

#include <media/v4l2-ioctl.h>

#include <media/v4l2-mem2mem.h>
@@ -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)