#include "font.h"
-MODULE_DESCRIPTION("Video Technology Magazine Virtual Video Capture Board");
-MODULE_AUTHOR("Mauro Carvalho Chehab, Ted Walther and John Sokol");
-MODULE_LICENSE("Dual BSD/GPL");
-
#define VIVI_MAJOR_VERSION 0
#define VIVI_MINOR_VERSION 4
#define VIVI_RELEASE 0
#define VIVI_VERSION KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE)
-static int video_nr = -1; /* /dev/videoN, -1 for autodetect */
-module_param(video_nr, int, 0);
-
-static int debug = 0;
-module_param(debug, int, 0);
-
-static unsigned int vid_limit = 16;
-module_param(vid_limit,int,0644);
-MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
+/* Declare static vars that will be used as parameters */
+static unsigned int vid_limit = 16; /* Video memory limit, in Mb */
+static struct video_device vivi; /* Video device */
+static int video_nr = -1; /* /dev/videoN, -1 for autodetect */
/* supported controls */
static struct v4l2_queryctrl vivi_qctrl[] = {
static int qctl_regs[ARRAY_SIZE(vivi_qctrl)];
-#define dprintk(level,fmt, arg...) \
- do { \
- if (debug >= (level)) \
- printk(KERN_DEBUG "vivi: " fmt , ## arg); \
+#define dprintk(level,fmt, arg...) \
+ do { \
+ if (vivi.debug >= (level)) \
+ printk(KERN_DEBUG "vivi: " fmt , ## arg); \
} while (0)
/* ------------------------------------------------------------------
/* various device info */
unsigned int resources;
- struct video_device video_dev;
+ struct video_device vfd;
struct vivi_dmaqueue vidq;
IOCTL handling
------------------------------------------------------------------*/
-static int vivi_try_fmt(struct vivi_dev *dev, struct vivi_fh *fh,
+
+static int res_get(struct vivi_dev *dev, struct vivi_fh *fh)
+{
+ /* is it free? */
+ down(&dev->lock);
+ if (dev->resources) {
+ /* no, someone else uses it */
+ up(&dev->lock);
+ return 0;
+ }
+ /* it's free, grab it */
+ dev->resources =1;
+ dprintk(1,"res: get\n");
+ up(&dev->lock);
+ return 1;
+}
+
+static int res_locked(struct vivi_dev *dev)
+{
+ return (dev->resources);
+}
+
+static void res_free(struct vivi_dev *dev, struct vivi_fh *fh)
+{
+ down(&dev->lock);
+ dev->resources = 0;
+ dprintk(1,"res: put\n");
+ up(&dev->lock);
+}
+
+/* ------------------------------------------------------------------
+ IOCTL vidioc handling
+ ------------------------------------------------------------------*/
+static int vidioc_querycap (struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ strcpy(cap->driver, "vivi");
+ strcpy(cap->card, "vivi");
+ cap->version = VIVI_VERSION;
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_STREAMING |
+ V4L2_CAP_READWRITE;
+ return 0;
+}
+
+static int vidioc_enum_fmt_cap (struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ if (f->index > 0)
+ return -EINVAL;
+
+ strlcpy(f->description,format.name,sizeof(f->description));
+ f->pixelformat = format.fourcc;
+ return 0;
+}
+
+static int vidioc_g_fmt_cap (struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct vivi_fh *fh=priv;
+
+ f->fmt.pix.width = fh->width;
+ f->fmt.pix.height = fh->height;
+ f->fmt.pix.field = fh->vb_vidq.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);
+}
+
+static int vidioc_try_fmt_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct vivi_fmt *fmt;
unsigned int maxw, maxh;
if (format.fourcc != f->fmt.pix.pixelformat) {
- dprintk(1,"Fourcc format invalid.\n");
+ dprintk(1,"Fourcc format (0x%08x) invalid. Driver accepts "
+ "only 0x%08x\n",f->fmt.pix.pixelformat,format.fourcc);
return -EINVAL;
}
fmt=&format;
return 0;
}
-static int res_get(struct vivi_dev *dev, struct vivi_fh *fh)
+/*FIXME: This seems to be generic enough to be at videodev2 */
+static int vidioc_s_fmt_cap (struct file *file, void *priv,
+ struct v4l2_format *f)
{
- /* is it free? */
- down(&dev->lock);
- if (dev->resources) {
- /* no, someone else uses it */
- up(&dev->lock);
- return 0;
- }
- /* it's free, grab it */
- dev->resources =1;
- dprintk(1,"res: get\n");
- up(&dev->lock);
- return 1;
+ struct vivi_fh *fh=priv;
+ int ret = vidioc_try_fmt_cap(file,fh,f);
+ if (ret < 0)
+ return (ret);
+
+ fh->fmt = &format;
+ fh->width = f->fmt.pix.width;
+ fh->height = f->fmt.pix.height;
+ fh->vb_vidq.field = f->fmt.pix.field;
+ fh->type = f->type;
+
+ return (0);
}
-static int res_locked(struct vivi_dev *dev)
+static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
{
- return (dev->resources);
-}
+ struct vivi_fh *fh=priv;
-static void res_free(struct vivi_dev *dev, struct vivi_fh *fh)
-{
- down(&dev->lock);
- dev->resources = 0;
- dprintk(1,"res: put\n");
- up(&dev->lock);
+ return (videobuf_reqbufs(&fh->vb_vidq, p));
}
-static int vivi_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
+static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
{
- struct vivi_fh *fh = file->private_data;
- struct vivi_dev *dev = fh->dev;
- int ret=0;
+ struct vivi_fh *fh=priv;
- if (debug) {
- if (_IOC_DIR(cmd) & _IOC_WRITE)
- v4l_printk_ioctl_arg("vivi(w)",cmd, arg);
- else if (!_IOC_DIR(cmd) & _IOC_READ) {
- v4l_print_ioctl("vivi", cmd);
- }
- }
+ return (videobuf_querybuf(&fh->vb_vidq, p));
+}
- switch(cmd) {
- /* --- capabilities ------------------------------------------ */
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *cap = (struct v4l2_capability*)arg;
-
- memset(cap, 0, sizeof(*cap));
-
- strcpy(cap->driver, "vivi");
- strcpy(cap->card, "vivi");
- cap->version = VIVI_VERSION;
- cap->capabilities =
- V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_STREAMING |
- V4L2_CAP_READWRITE;
- break;
- }
- /* --- capture ioctls ---------------------------------------- */
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *f = arg;
- enum v4l2_buf_type type;
- unsigned int index;
+static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
+{
+ struct vivi_fh *fh=priv;
- index = f->index;
- type = f->type;
+ return (videobuf_qbuf(&fh->vb_vidq, p));
+}
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
+static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
+{
+ struct vivi_fh *fh=priv;
- switch (type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (index > 0){
- ret=-EINVAL;
- break;
- }
- memset(f,0,sizeof(*f));
+ return (videobuf_dqbuf(&fh->vb_vidq, p,
+ file->f_flags & O_NONBLOCK));
+}
- f->index = index;
- f->type = type;
- strlcpy(f->description,format.name,sizeof(f->description));
- f->pixelformat = format.fourcc;
- break;
- default:
- ret=-EINVAL;
- }
- break;
+#ifdef HAVE_V4L1
+static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
+{
+ struct vivi_fh *fh=priv;
+ struct videobuf_queue *q=&fh->vb_vidq;
+ struct v4l2_requestbuffers req;
+ unsigned int i, ret;
+
+ req.type = q->type;
+ req.count = 8;
+ req.memory = V4L2_MEMORY_MMAP;
+ ret = videobuf_reqbufs(q,&req);
+ if (ret < 0)
+ return (ret);
+ memset(mbuf,0,sizeof(*mbuf));
+ mbuf->frames = req.count;
+ mbuf->size = 0;
+ for (i = 0; i < mbuf->frames; i++) {
+ mbuf->offsets[i] = q->bufs[i]->boff;
+ mbuf->size += q->bufs[i]->bsize;
}
- case VIDIOC_G_FMT:
- {
- struct v4l2_format *f = (struct v4l2_format *)arg;
+ return (0);
+}
+#endif
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
+int vidioc_streamon (struct file *file, void *priv, enum v4l2_buf_type i)
+{
+ struct vivi_fh *fh=priv;
+ struct vivi_dev *dev = fh->dev;
- memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
- f->fmt.pix.field = fh->vb_vidq.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;
- break;
- }
- case VIDIOC_S_FMT:
- {
- struct v4l2_format *f = arg;
+ if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+ if (i != fh->type)
+ return -EINVAL;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- dprintk(1,"Only capture supported.\n");
- ret=-EINVAL;
- break;
- }
+ if (!res_get(dev,fh))
+ return -EBUSY;
+ return (videobuf_streamon(&fh->vb_vidq));
+}
- ret = vivi_try_fmt(dev,fh,f);
- if (ret < 0)
- break;
+int vidioc_streamoff (struct file *file, void *priv, enum v4l2_buf_type i)
+{
+ struct vivi_fh *fh=priv;
+ struct vivi_dev *dev = fh->dev;
- fh->fmt = &format;
- fh->width = f->fmt.pix.width;
- fh->height = f->fmt.pix.height;
- fh->vb_vidq.field = f->fmt.pix.field;
- fh->type = f->type;
+ if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+ if (i != fh->type)
+ return -EINVAL;
- break;
- }
- case VIDIOC_TRY_FMT:
- {
- struct v4l2_format *f = arg;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
+ videobuf_streamoff(&fh->vb_vidq);
+ res_free(dev,fh);
- ret=vivi_try_fmt(dev,fh,f);
- break;
- }
- case VIDIOC_REQBUFS:
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
- ret=videobuf_reqbufs(&fh->vb_vidq, arg);
- break;
- case VIDIOC_QUERYBUF:
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
- ret=videobuf_querybuf(&fh->vb_vidq, arg);
- break;
- case VIDIOC_QBUF:
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
- ret=videobuf_qbuf(&fh->vb_vidq, arg);
- break;
- case VIDIOC_DQBUF:
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
- ret=videobuf_dqbuf(&fh->vb_vidq, arg,
- file->f_flags & O_NONBLOCK);
- break;
-#ifdef HAVE_V4L1
- /* --- streaming capture ------------------------------------- */
- case VIDIOCGMBUF:
- {
- struct video_mbuf *mbuf = arg;
- struct videobuf_queue *q=&fh->vb_vidq;
- struct v4l2_requestbuffers req;
- unsigned int i;
-
- memset(&req,0,sizeof(req));
- req.type = q->type;
- req.count = 8;
- req.memory = V4L2_MEMORY_MMAP;
- ret = videobuf_reqbufs(q,&req);
- if (ret < 0)
- break;
- memset(mbuf,0,sizeof(*mbuf));
- mbuf->frames = req.count;
- mbuf->size = 0;
- for (i = 0; i < mbuf->frames; i++) {
- mbuf->offsets[i] = q->bufs[i]->boff;
- mbuf->size += q->bufs[i]->bsize;
- }
- break;
- }
-#endif
- case VIDIOC_STREAMON:
- {
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- if (!res_get(dev,fh))
- return -EBUSY;
- ret=videobuf_streamon(&fh->vb_vidq);
- break;
- }
- case VIDIOC_STREAMOFF:
+ return (0);
+}
+
+static struct v4l2_tvnorm tvnorms[] = {
{
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- ret=-EINVAL;
- break;
- }
- ret = videobuf_streamoff(&fh->vb_vidq);
- if (ret < 0)
- break;
- res_free(dev,fh);
- break;
+ .name = "NTSC-M",
+ .id = V4L2_STD_NTSC_M,
}
- /* ---------- tv norms ---------- */
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *e = arg;
+};
- if (e->index>0) {
- ret=-EINVAL;
- break;
- }
- ret = v4l2_video_std_construct(e, V4L2_STD_NTSC_M, "NTSC-M");
+static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id a)
+{
- /* Allows vivi to use different fps from video std */
- e->frameperiod.numerator = WAKE_NUMERATOR;
- e->frameperiod.denominator = WAKE_DENOMINATOR;
+ return 0;
+}
- break;
- }
- case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
+/* only one input in this sample driver */
+static int vidioc_enum_input (struct file *file, void *priv,
+ struct v4l2_input *inp)
+{
+ if (inp->index != 0)
+ return -EINVAL;
- *id = V4L2_STD_NTSC_M;
- break;
- }
- case VIDIOC_S_STD:
- {
- break;
- }
- /* ------ input switching ---------- */
- case VIDIOC_ENUMINPUT:
- { /* only one input in this sample driver */
- struct v4l2_input *inp = arg;
+ inp->type = V4L2_INPUT_TYPE_CAMERA;
+ inp->std = V4L2_STD_NTSC_M;
+ strcpy(inp->name,"Camera");
- if (inp->index != 0) {
- ret=-EINVAL;
- break;
- }
- memset(inp, 0, sizeof(*inp));
+ return (0);
+}
- inp->index = 0;
- inp->type = V4L2_INPUT_TYPE_CAMERA;
- inp->std = V4L2_STD_NTSC_M;
- strcpy(inp->name,"Camera");
- break;
- }
- case VIDIOC_G_INPUT:
- {
- unsigned int *i = arg;
+static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
+{
+ *i = 0;
- *i = 0;
- break;
- }
- case VIDIOC_S_INPUT:
- {
- unsigned int *i = arg;
+ return (0);
+}
+static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
+{
+ if (i > 0)
+ return -EINVAL;
- if (*i > 0)
- ret=-EINVAL;
- break;
- }
+ return (0);
+}
/* --- controls ---------------------------------------------- */
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
- if (qc->id && qc->id == vivi_qctrl[i].id) {
- memcpy(qc, &(vivi_qctrl[i]),
- sizeof(*qc));
- break;
- }
+static int vidioc_queryctrl (struct file *file, void *priv,
+ struct v4l2_queryctrl *qc)
+{
+ int i;
- ret=-EINVAL;
- break;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *ctrl = arg;
- int i;
+ for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
+ if (qc->id && qc->id == vivi_qctrl[i].id) {
+ memcpy(qc, &(vivi_qctrl[i]),
+ sizeof(*qc));
+ return (0);
+ }
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
- if (ctrl->id == vivi_qctrl[i].id) {
- ctrl->value=qctl_regs[i];
- break;
- }
+ return -EINVAL;
+}
- ret=-EINVAL;
- break;
- }
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl = arg;
- int i;
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
- if (ctrl->id == vivi_qctrl[i].id) {
- if (ctrl->value <
- vivi_qctrl[i].minimum
- || ctrl->value >
- vivi_qctrl[i].maximum) {
- ret=-ERANGE;
- break;
- }
- qctl_regs[i]=ctrl->value;
- break;
- }
- ret=-EINVAL;
- break;
- }
- default:
- ret=v4l_compat_translate_ioctl(inode,file,cmd,arg,vivi_do_ioctl);
- }
+static int vidioc_g_ctrl (struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ int i;
- if (debug) {
- if (ret<0) {
- v4l_print_ioctl("vivi(err)", cmd);
- dprintk(1,"errcode=%d\n",ret);
- } else if (_IOC_DIR(cmd) & _IOC_READ)
- v4l_printk_ioctl_arg("vivi(r)",cmd, arg);
- }
+ for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
+ if (ctrl->id == vivi_qctrl[i].id) {
+ ctrl->value=qctl_regs[i];
+ return (0);
+ }
- return ret;
+ return -EINVAL;
}
-
-static int vivi_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int vidioc_s_ctrl (struct file *file, void *priv,
+ struct v4l2_control *ctrl)
{
- return video_usercopy(inode, file, cmd, arg, vivi_do_ioctl);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
+ if (ctrl->id == vivi_qctrl[i].id) {
+ if (ctrl->value <
+ vivi_qctrl[i].minimum
+ || ctrl->value >
+ vivi_qctrl[i].maximum) {
+ return (-ERANGE);
+ }
+ qctl_regs[i]=ctrl->value;
+ return (0);
+ }
+ return -EINVAL;
}
/* ------------------------------------------------------------------
list_for_each(list,&vivi_devlist) {
h = list_entry(list, struct vivi_dev, vivi_devlist);
- if (h->video_dev.minor == minor) {
+ if (h->vfd.minor == minor) {
dev = h;
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
}
return -ENODEV;
+
/* If more than one user, mutex should be added */
dev->users++;
file->private_data = fh;
fh->dev = dev;
+
fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fh->fmt = &format;
fh->width = 640;
static ssize_t
vivi_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
- struct vivi_fh *fh = file->private_data;
+ struct vivi_fh *fh = file->private_data;
if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) {
if (res_locked(fh->dev))
static unsigned int
vivi_poll(struct file *file, struct poll_table_struct *wait)
{
- struct vivi_fh *fh = file->private_data;
- struct vivi_buffer *buf;
+ struct vivi_fh *fh = file->private_data;
+ struct vivi_buffer *buf;
dprintk(1,"%s\n",__FUNCTION__);
static int vivi_release(struct inode *inode, struct file *file)
{
- struct vivi_fh *fh = file->private_data;
- struct vivi_dev *dev = fh->dev;
+ struct vivi_fh *fh = file->private_data;
+ struct vivi_dev *dev = fh->dev;
struct vivi_dmaqueue *vidq = &dev->vidq;
int minor = iminor(inode);
static int
vivi_mmap(struct file *file, struct vm_area_struct * vma)
{
- struct vivi_fh *fh = file->private_data;
+ struct vivi_fh *fh = file->private_data;
int ret;
dprintk (1,"mmap called, vma=0x%08lx\n",(unsigned long)vma);
.release = vivi_release,
.read = vivi_read,
.poll = vivi_poll,
- .ioctl = vivi_ioctl,
+ .ioctl = video_ioctl2, /* V4L2 ioctl handler */
.mmap = vivi_mmap,
.llseek = no_llseek,
};
static struct video_device vivi = {
- .name = "VTM Virtual Video Capture Board",
+ .name = "vivi",
.type = VID_TYPE_CAPTURE,
.hardware = 0,
.fops = &vivi_fops,
.minor = -1,
// .release = video_device_release,
+
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
+ .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
+ .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
+ .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
+ .vidioc_reqbufs = vidioc_reqbufs,
+ .vidioc_querybuf = vidioc_querybuf,
+ .vidioc_qbuf = vidioc_qbuf,
+ .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_s_std = vidioc_s_std,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_streamon = vidioc_streamon,
+ .vidioc_streamoff = vidioc_streamoff,
+#ifdef HAVE_V4L1
+ .vidiocgmbuf = vidiocgmbuf,
+#endif
+ .tvnorms = tvnorms,
+ .tvnormsize = ARRAY_SIZE(tvnorms),
};
-/* ------------------------------------------------------------------
+/* -----------------------------------------------------------------
Initialization and module stuff
------------------------------------------------------------------*/
module_init(vivi_init);
module_exit(vivi_exit);
+
+MODULE_DESCRIPTION("Video Technology Magazine Virtual Video Capture Board");
+MODULE_AUTHOR("Mauro Carvalho Chehab, Ted Walther and John Sokol");
+MODULE_LICENSE("Dual BSD/GPL");
+
+module_param(video_nr, int, 0);
+
+module_param_named(debug,vivi.debug, int, 0644);
+MODULE_PARM_DESC(debug,"activates debug info");
+
+module_param(vid_limit,int,0644);
+MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
+