From cbcd78524e95d5d2581ebcafdab2ff4d13ac64c1 Mon Sep 17 00:00:00 2001 From: Vedang Nagar Date: Fri, 7 Feb 2025 13:24:53 +0530 Subject: [PATCH] media: iris: implement subscribe_event and unsubscribe_event ioctls Implement the subscribe_event and unsubscribe_event iocts with the necessary hooks. Signed-off-by: Vedang Nagar Reviewed-by: Hans Verkuil Tested-by: Stefan Schmidt # x1e80100 (Dell XPS 13 9345) Reviewed-by: Stefan Schmidt Tested-by: Neil Armstrong # on SM8550-QRD Tested-by: Neil Armstrong # on SM8550-HDK Signed-off-by: Dikshita Agarwal Link: https://lore.kernel.org/r/20250207-qcom-video-iris-v10-13-ab66eeffbd20@quicinc.com Signed-off-by: Neil Armstrong --- drivers/media/platform/qcom/iris/iris_vdec.c | 22 ++++++++++++++++++++ drivers/media/platform/qcom/iris/iris_vdec.h | 1 + drivers/media/platform/qcom/iris/iris_vidc.c | 10 +++++++++ 3 files changed, 33 insertions(+) diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c index 081a9eda5c49..0ba60bcb9fa9 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 +194,24 @@ 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; +} 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 82bd0be8e5da..511cd13ac471 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) -- 2.34.1