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path: root/drivers/media/video/bttv-driver.c
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Diffstat (limited to 'drivers/media/video/bttv-driver.c')
-rw-r--r--drivers/media/video/bttv-driver.c67
1 files changed, 50 insertions, 17 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 709099f03bd..3c58a2a6890 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -1720,7 +1720,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
memset(i,0,sizeof(*i));
i->index = n;
i->type = V4L2_INPUT_TYPE_CAMERA;
- i->audioset = 1;
+ i->audioset = 0;
if (i->index == bttv_tvcards[btv->c.type].tuner) {
sprintf(i->name, "Television");
i->type = V4L2_INPUT_TYPE_TUNER;
@@ -1771,12 +1771,20 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
memset(t,0,sizeof(*t));
strcpy(t->name, "Television");
t->type = V4L2_TUNER_ANALOG_TV;
- t->rangehigh = 0xffffffffUL;
t->capability = V4L2_TUNER_CAP_NORM;
t->rxsubchans = V4L2_TUNER_SUB_MONO;
if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
t->signal = 0xffff;
{
+ struct video_tuner tuner;
+
+ memset(&tuner, 0, sizeof (tuner));
+ tuner.rangehigh = 0xffffffffUL;
+ bttv_call_i2c_clients(btv, VIDIOCGTUNER, &tuner);
+ t->rangelow = tuner.rangelow;
+ t->rangehigh = tuner.rangehigh;
+ }
+ {
/* Hmmm ... */
struct video_audio va;
memset(&va, 0, sizeof(struct video_audio));
@@ -1853,7 +1861,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
}
case VIDIOC_LOG_STATUS:
{
- bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, 0);
+ bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL);
return 0;
}
@@ -2029,19 +2037,33 @@ static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
return 0;
}
+static void
+pix_format_set_size (struct v4l2_pix_format * f,
+ const struct bttv_format * fmt,
+ unsigned int width,
+ unsigned int height)
+{
+ f->width = width;
+ f->height = height;
+
+ if (fmt->flags & FORMAT_FLAGS_PLANAR) {
+ f->bytesperline = width; /* Y plane */
+ f->sizeimage = (width * height * fmt->depth) >> 3;
+ } else {
+ f->bytesperline = (width * fmt->depth) >> 3;
+ f->sizeimage = height * f->bytesperline;
+ }
+}
+
static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f)
{
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format));
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
+ pix_format_set_size (&f->fmt.pix, fh->fmt,
+ fh->width, fh->height);
f->fmt.pix.field = fh->cap.field;
f->fmt.pix.pixelformat = fh->fmt->fourcc;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fh->fmt->depth) >> 3;
- f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
return 0;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
memset(&f->fmt.win,0,sizeof(struct v4l2_window));
@@ -2106,11 +2128,9 @@ static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv,
f->fmt.pix.width = maxw;
if (f->fmt.pix.height > maxh)
f->fmt.pix.height = maxh;
- f->fmt.pix.width &= ~0x03;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fmt->depth) >> 3;
- f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
+ pix_format_set_size (&f->fmt.pix, fmt,
+ f->fmt.pix.width & ~3,
+ f->fmt.pix.height);
return 0;
}
@@ -2278,6 +2298,15 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
retval = -EINVAL;
goto fh_unlock_and_return;
}
+ if (fmt->flags & FORMAT_FLAGS_RAW) {
+ /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL *
+ RAW_LINES * 2. F1 is stored at offset 0, F2
+ at buffer size / 2. */
+ fh->width = RAW_BPL;
+ fh->height = gbufsize / RAW_BPL;
+ btv->init.width = RAW_BPL;
+ btv->init.height = gbufsize / RAW_BPL;
+ }
fh->ovfmt = fmt;
fh->fmt = fmt;
btv->init.ovfmt = fmt;
@@ -2589,9 +2618,11 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
if (0 == v4l2)
return -EINVAL;
- strcpy(cap->driver,"bttv");
- strlcpy(cap->card,btv->video_dev->name,sizeof(cap->card));
- sprintf(cap->bus_info,"PCI:%s",pci_name(btv->c.pci));
+ memset(cap, 0, sizeof (*cap));
+ strlcpy(cap->driver, "bttv", sizeof (cap->driver));
+ strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card));
+ snprintf(cap->bus_info, sizeof (cap->bus_info),
+ "PCI:%s", pci_name(btv->c.pci));
cap->version = BTTV_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
@@ -2952,6 +2983,8 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
field = videobuf_next_field(&fh->cap);
if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
+ kfree (fh->cap.read_buf);
+ fh->cap.read_buf = NULL;
up(&fh->cap.lock);
return POLLERR;
}