V4L/DVB (3325): WSS output interface for av7110
- Implemented v4l2 api for sliced vbi data output
to pass WSS data from userspace to the av7110
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index a9ff5b5..b614612 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -253,7 +253,10 @@
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
DEB_S(("initializing vbi...\n"));
- result = saa7146_vbi_uops.open(dev,file);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ result = saa7146_vbi_uops.open(dev,file);
+ if (dev->ext_vv_data->vbi_fops.open)
+ dev->ext_vv_data->vbi_fops.open(inode, file);
} else {
DEB_S(("initializing video...\n"));
result = saa7146_video_uops.open(dev,file);
@@ -289,7 +292,10 @@
return -ERESTARTSYS;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- saa7146_vbi_uops.release(dev,file);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ saa7146_vbi_uops.release(dev,file);
+ if (dev->ext_vv_data->vbi_fops.release)
+ dev->ext_vv_data->vbi_fops.release(inode, file);
} else {
saa7146_video_uops.release(dev,file);
}
@@ -382,7 +388,10 @@
}
case V4L2_BUF_TYPE_VBI_CAPTURE: {
// DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", file, data, (unsigned long)count));
- return saa7146_vbi_uops.read(file,data,count,ppos);
+ if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ return saa7146_vbi_uops.read(file,data,count,ppos);
+ else
+ return -EINVAL;
}
break;
default:
@@ -391,12 +400,31 @@
}
}
+static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
+{
+ struct saa7146_fh *fh = file->private_data;
+
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return -EINVAL;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (fh->dev->ext_vv_data->vbi_fops.write)
+ return fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos);
+ else
+ return -EINVAL;
+ default:
+ BUG();
+ return -EINVAL;
+ }
+}
+
static struct file_operations video_fops =
{
.owner = THIS_MODULE,
.open = fops_open,
.release = fops_release,
.read = fops_read,
+ .write = fops_write,
.poll = fops_poll,
.mmap = fops_mmap,
.ioctl = fops_ioctl,
@@ -468,7 +496,8 @@
memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM);
saa7146_video_uops.init(dev,vv);
- saa7146_vbi_uops.init(dev,vv);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ saa7146_vbi_uops.init(dev,vv);
dev->vv_data = vv;
dev->vv_callback = &vv_callback;