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| author | Changhuang Liang <changhuang.liang@starfivetech.com> | 2023-06-01 12:06:22 +0300 |
|---|---|---|
| committer | Andy Hu <andy.hu@starfivetech.com> | 2023-11-01 10:04:53 +0300 |
| commit | 9dc2c2d8b769a8703d5c37f0cab80346304bce5c (patch) | |
| tree | f231f1696b5ae8f793b906b25bc358c0977224a2 | |
| parent | 4c0e9158bf1c177a02d201406a33243611a18de4 (diff) | |
| download | linux-9dc2c2d8b769a8703d5c37f0cab80346304bce5c.tar.xz | |
media: starfive: Add isp frame sync event
Add isp frame sync event.
Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
| -rw-r--r-- | drivers/media/platform/starfive/v4l2_driver/stf_vin.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/media/platform/starfive/v4l2_driver/stf_vin.c b/drivers/media/platform/starfive/v4l2_driver/stf_vin.c index 5758ab77d7ea..a96199a161fe 100644 --- a/drivers/media/platform/starfive/v4l2_driver/stf_vin.c +++ b/drivers/media/platform/starfive/v4l2_driver/stf_vin.c @@ -9,6 +9,7 @@ #include <linux/interrupt.h> #include <linux/dma-mapping.h> #include <linux/pm_runtime.h> +#include <media/v4l2-event.h> #include "stfcamss.h" @@ -1133,6 +1134,9 @@ static void vin_buffer_done(struct vin_line *line, struct vin_params *params) struct vin_output *output = &line->output; unsigned long flags; u64 ts = ktime_get_ns(); + struct v4l2_event event = { + .type = V4L2_EVENT_FRAME_SYNC, + }; if (output->state == VIN_OUTPUT_OFF || output->state == VIN_OUTPUT_RESERVED) @@ -1141,6 +1145,11 @@ static void vin_buffer_done(struct vin_line *line, struct vin_params *params) spin_lock_irqsave(&line->output_lock, flags); while ((ready_buf = vin_buf_get_ready(output))) { + if (line->id >= VIN_LINE_ISP && line->id <= VIN_LINE_ISP_SS1) { + event.u.frame_sync.frame_sequence = output->sequence; + v4l2_event_queue(line->subdev.devnode, &event); + } + ready_buf->vb.vb2_buf.timestamp = ts; ready_buf->vb.sequence = output->sequence++; @@ -1331,8 +1340,23 @@ static int vin_link_setup(struct media_entity *entity, return 0; } +static int stf_vin_subscribe_event(struct v4l2_subdev *sd, + struct v4l2_fh *fh, + struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_FRAME_SYNC: + return v4l2_event_subscribe(fh, sub, 0, NULL); + default: + st_debug(ST_VIN, "unsupport subscribe_event\n"); + return -EINVAL; + } +} + static const struct v4l2_subdev_core_ops vin_core_ops = { .s_power = vin_set_power, + .subscribe_event = stf_vin_subscribe_event, + .unsubscribe_event = v4l2_event_subdev_unsubscribe, }; static const struct v4l2_subdev_video_ops vin_video_ops = { @@ -1393,7 +1417,7 @@ int stf_vin_register(struct stf_vin2_dev *vin_dev, struct v4l2_device *v4l2_dev) v4l2_subdev_init(sd, &vin_v4l2_ops); sd->internal_ops = &vin_v4l2_internal_ops; - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; snprintf(sd->name, ARRAY_SIZE(sd->name), "%s%d_%s", STF_VIN_NAME, 0, sub_name); v4l2_set_subdevdata(sd, &vin_dev->line[i]); |