hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

media: vim2m: support requests 

Add support for requests to vim2m.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-05-21 04:54:57 -04:00 committed by Mauro Carvalho Chehab
parent 144bd0ee30
commit 86b93b2c95
1 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/media/platform/vim2m.c
View File

@ -379,8 +379,16 @@ static void device_run(void *priv)
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
/* Apply request controls if any */
v4l2_ctrl_request_setup(src_buf->vb2_buf.req_obj.req,
&ctx->hdl);
device_process(ctx, src_buf, dst_buf);
/* Complete request controls if any */
v4l2_ctrl_request_complete(src_buf->vb2_buf.req_obj.req,
&ctx->hdl);
/* Run delayed work, which simulates a hardware irq */
schedule_delayed_work(&dev->work_run, msecs_to_jiffies(ctx->transtime));
}
@ -808,12 +816,21 @@ static void vim2m_stop_streaming(struct vb2_queue *q)
vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
if (vbuf == NULL)
return;
v4l2_ctrl_request_complete(vbuf->vb2_buf.req_obj.req,
&ctx->hdl);
spin_lock_irqsave(&ctx->dev->irqlock, flags);
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
}
}
static void vim2m_buf_request_complete(struct vb2_buffer *vb)
{
struct vim2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->hdl);
}
static const struct vb2_ops vim2m_qops = {
.queue_setup = vim2m_queue_setup,
.buf_prepare = vim2m_buf_prepare,
@ -822,6 +839,7 @@ static const struct vb2_ops vim2m_qops = {
.stop_streaming = vim2m_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
.buf_request_complete = vim2m_buf_request_complete,
};
static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
@ -988,6 +1006,11 @@ static const struct v4l2_m2m_ops m2m_ops = {
.job_abort = job_abort,
};
static const struct media_device_ops m2m_media_ops = {
.req_validate = vb2_request_validate,
.req_queue = vb2_m2m_request_queue,
};
static int vim2m_probe(struct platform_device *pdev)
{
struct vim2m_dev *dev;
@ -1036,6 +1059,7 @@ static int vim2m_probe(struct platform_device *pdev)
dev->mdev.dev = &pdev->dev;
strlcpy(dev->mdev.model, "vim2m", sizeof(dev->mdev.model));
media_device_init(&dev->mdev);
dev->mdev.ops = &m2m_media_ops;
dev->v4l2_dev.mdev = &dev->mdev;
ret = v4l2_m2m_register_media_controller(dev->m2m_dev,