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| author | Oliver Endriss <o.endriss@gmx.de> | 2006-01-09 18:21:37 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2006-01-09 18:21:37 -0200 |
| commit | 5b0fa4fff17d944b6a0d4cb35d8e8b5ad0ac3669 (patch) | |
| tree | 1e31c64267ffabe37c733a00e09b91ba4453651a /drivers/media/common | |
| parent | d312a46e5340be6a89c662ac483230c0737148c9 (diff) | |
| download | lwn-5b0fa4fff17d944b6a0d4cb35d8e8b5ad0ac3669.tar.gz lwn-5b0fa4fff17d944b6a0d4cb35d8e8b5ad0ac3669.zip | |
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>
Diffstat (limited to 'drivers/media/common')
| -rw-r--r-- | drivers/media/common/saa7146_fops.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index a9ff5b5af1cf..b614612be7b4 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -253,7 +253,10 @@ static int fops_open(struct inode *inode, struct file *file) 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 @@ static int fops_release(struct inode *inode, struct file *file) 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 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof } 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_read(struct file *file, char __user *data, size_t count, lof } } +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 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) 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; |