| Message ID | 20241014-qcom-video-iris-v4-v4-13-c5eaa4e9ab9e@quicinc.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Qualcomm iris video decoder driver | expand |
On 14/10/2024 11:07, Dikshita Agarwal wrote: > From: Vedang Nagar <quic_vnagar@quicinc.com> > > Implement subscribe_event and unsubscribe_event iocts > with necessary hooks. > > Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com> > Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> > --- > drivers/media/platform/qcom/iris/iris_instance.h | 2 ++ > drivers/media/platform/qcom/iris/iris_vdec.c | 26 ++++++++++++++++++++++++ > drivers/media/platform/qcom/iris/iris_vdec.h | 1 + > drivers/media/platform/qcom/iris/iris_vidc.c | 17 ++++++++++++++++ > 4 files changed, 46 insertions(+) > > diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/media/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 > */ > > 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 fd0f1ebc33e8..c4eeba5ed6da 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 <media/v4l2-event.h> > #include <media/v4l2-mem2mem.h> > > #include "iris_buffer.h" > @@ -13,6 +14,7 @@ > #define DEFAULT_WIDTH 320 > #define DEFAULT_HEIGHT 240 > #define DEFAULT_CODEC_ALIGNMENT 16 > +#define MAX_EVENTS 30 > > void iris_vdec_inst_init(struct iris_inst *inst) > { > @@ -208,3 +210,27 @@ 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, MAX_EVENTS, NULL); Why 30 events? EOS needs has to store just 1 event. I'd just drop MAX_EVENTS and fill in 0 or 1 here. > + 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 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_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 1d6c5e8fafb4..8068c06c1f11 100644 > --- a/drivers/media/platform/qcom/iris/iris_vidc.c > +++ b/drivers/media/platform/qcom/iris/iris_vidc.c > @@ -4,6 +4,7 @@ > */ > > #include <linux/pm_runtime.h> > +#include <media/v4l2-event.h> > #include <media/v4l2-ioctl.h> > #include <media/v4l2-mem2mem.h> > > @@ -320,6 +321,20 @@ 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 int iris_unsubscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) > +{ > + struct iris_inst *inst = container_of(fh, struct iris_inst, fh); > + > + return v4l2_event_unsubscribe(&inst->fh, sub); > +} > + > static struct v4l2_file_operations iris_v4l2_file_ops = { > .owner = THIS_MODULE, > .open = iris_open, > @@ -345,6 +360,8 @@ 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 = iris_unsubscribe_event, Just set this op to v4l2_event_unsubscribe directly. You should not need a driver specific override function. > }; > > void iris_init_ops(struct iris_core *core) >
On 10/23/2024 4:23 PM, Hans Verkuil wrote: > On 14/10/2024 11:07, Dikshita Agarwal wrote: >> From: Vedang Nagar <quic_vnagar@quicinc.com> >> >> Implement subscribe_event and unsubscribe_event iocts >> with necessary hooks. >> >> Signed-off-by: Vedang Nagar <quic_vnagar@quicinc.com> >> Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> >> --- >> drivers/media/platform/qcom/iris/iris_instance.h | 2 ++ >> drivers/media/platform/qcom/iris/iris_vdec.c | 26 ++++++++++++++++++++++++ >> drivers/media/platform/qcom/iris/iris_vdec.h | 1 + >> drivers/media/platform/qcom/iris/iris_vidc.c | 17 ++++++++++++++++ >> 4 files changed, 46 insertions(+) >> >> diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/media/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 >> */ >> >> 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 fd0f1ebc33e8..c4eeba5ed6da 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 <media/v4l2-event.h> >> #include <media/v4l2-mem2mem.h> >> >> #include "iris_buffer.h" >> @@ -13,6 +14,7 @@ >> #define DEFAULT_WIDTH 320 >> #define DEFAULT_HEIGHT 240 >> #define DEFAULT_CODEC_ALIGNMENT 16 >> +#define MAX_EVENTS 30 >> >> void iris_vdec_inst_init(struct iris_inst *inst) >> { >> @@ -208,3 +210,27 @@ 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, MAX_EVENTS, NULL); > > Why 30 events? EOS needs has to store just 1 event. I'd just drop MAX_EVENTS and > fill in 0 or 1 here. > Okay, will update it with 0. >> + 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 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_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 1d6c5e8fafb4..8068c06c1f11 100644 >> --- a/drivers/media/platform/qcom/iris/iris_vidc.c >> +++ b/drivers/media/platform/qcom/iris/iris_vidc.c >> @@ -4,6 +4,7 @@ >> */ >> >> #include <linux/pm_runtime.h> >> +#include <media/v4l2-event.h> >> #include <media/v4l2-ioctl.h> >> #include <media/v4l2-mem2mem.h> >> >> @@ -320,6 +321,20 @@ 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 int iris_unsubscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) >> +{ >> + struct iris_inst *inst = container_of(fh, struct iris_inst, fh); >> + >> + return v4l2_event_unsubscribe(&inst->fh, sub); >> +} >> + >> static struct v4l2_file_operations iris_v4l2_file_ops = { >> .owner = THIS_MODULE, >> .open = iris_open, >> @@ -345,6 +360,8 @@ 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 = iris_unsubscribe_event, > > Just set this op to v4l2_event_unsubscribe directly. You should not need a > driver specific override function. > Ah, you're right, will update. >> }; >> >> void iris_init_ops(struct iris_core *core) >> >
diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/media/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 */ 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 fd0f1ebc33e8..c4eeba5ed6da 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 <media/v4l2-event.h> #include <media/v4l2-mem2mem.h> #include "iris_buffer.h" @@ -13,6 +14,7 @@ #define DEFAULT_WIDTH 320 #define DEFAULT_HEIGHT 240 #define DEFAULT_CODEC_ALIGNMENT 16 +#define MAX_EVENTS 30 void iris_vdec_inst_init(struct iris_inst *inst) { @@ -208,3 +210,27 @@ 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, MAX_EVENTS, 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 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_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 1d6c5e8fafb4..8068c06c1f11 100644 --- a/drivers/media/platform/qcom/iris/iris_vidc.c +++ b/drivers/media/platform/qcom/iris/iris_vidc.c @@ -4,6 +4,7 @@ */ #include <linux/pm_runtime.h> +#include <media/v4l2-event.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-mem2mem.h> @@ -320,6 +321,20 @@ 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 int iris_unsubscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) +{ + struct iris_inst *inst = container_of(fh, struct iris_inst, fh); + + return v4l2_event_unsubscribe(&inst->fh, sub); +} + static struct v4l2_file_operations iris_v4l2_file_ops = { .owner = THIS_MODULE, .open = iris_open, @@ -345,6 +360,8 @@ 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 = iris_unsubscribe_event, }; void iris_init_ops(struct iris_core *core)