static int pms_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct pms_device *pd=(struct pms_device *)dev;
switch(cmd)
{
case VIDIOCGCAP:
{
struct video_capability *b = arg;
strcpy(b->name, "Mediavision PMS");
b->type = VID_TYPE_CAPTURE|VID_TYPE_SCALES;
b->channels = 4;
b->audios = 0;
b->maxwidth = 640;
b->maxheight = 480;
b->minwidth = 16;
b->minheight = 16;
return 0;
}
case VIDIOCGCHAN:
{
struct video_channel *v = arg;
if(v->channel<0 || v->channel>3)
return -EINVAL;
v->flags=0;
v->tuners=1;
/* Good question.. its composite or SVHS so.. */
v->type = VIDEO_TYPE_CAMERA;
switch(v->channel)
{
case 0:
strcpy(v->name, "Composite");break;
case 1:
strcpy(v->name, "SVideo");break;
case 2:
strcpy(v->name, "Composite(VCR)");break;
case 3:
strcpy(v->name, "SVideo(VCR)");break;
}
return 0;
}
case VIDIOCSCHAN:
{
struct video_channel *v = arg;
if(v->channel<0 || v->channel>3)
return -EINVAL;
down(&pd->lock);
pms_videosource(v->channel&1);
pms_vcrinput(v->channel>>1);
up(&pd->lock);
return 0;
}
case VIDIOCGTUNER:
{
struct video_tuner *v = arg;
if(v->tuner)
return -EINVAL;
strcpy(v->name, "Format");
v->rangelow=0;
v->rangehigh=0;
v->flags= VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM;
switch(standard)
{
case 0:
v->mode = VIDEO_MODE_AUTO;
break;
case 1:
v->mode = VIDEO_MODE_NTSC;
break;
case 2:
v->mode = VIDEO_MODE_PAL;
break;
case 3:
v->mode = VIDEO_MODE_SECAM;
break;
}
return 0;
}
case VIDIOCSTUNER:
{
struct video_tuner *v = arg;
if(v->tuner)
return -EINVAL;
down(&pd->lock);
switch(v->mode)
{
case VIDEO_MODE_AUTO:
pms_framerate(25);
pms_secamcross(0);
pms_format(0);
break;
case VIDEO_MODE_NTSC:
pms_framerate(30);
pms_secamcross(0);
pms_format(1);
break;
case VIDEO_MODE_PAL:
pms_framerate(25);
pms_secamcross(0);
pms_format(2);
break;
case VIDEO_MODE_SECAM:
pms_framerate(25);
pms_secamcross(1);
pms_format(2);
break;
default:
up(&pd->lock);
return -EINVAL;
}
up(&pd->lock);
return 0;
}
case VIDIOCGPICT:
{
struct video_picture *p = arg;
*p = pd->picture;
return 0;
}
case VIDIOCSPICT:
{
struct video_picture *p = arg;
if(!((p->palette==VIDEO_PALETTE_RGB565 && p->depth==16)
||(p->palette==VIDEO_PALETTE_RGB555 && p->depth==15)))
return -EINVAL;
pd->picture= *p;
/*
* Now load the card.
*/
down(&pd->lock);
pms_brightness(p->brightness>>8);
pms_hue(p->hue>>8);
pms_colour(p->colour>>8);
pms_contrast(p->contrast>>8);
up(&pd->lock);
return 0;
}
case VIDIOCSWIN:
{
struct video_window *vw = arg;
if(vw->flags)
return -EINVAL;
if(vw->clipcount)
return -EINVAL;
if(vw->height<16||vw->height>480)
return -EINVAL;
if(vw->width<16||vw->width>640)
return -EINVAL;
pd->width=vw->width;
pd->height=vw->height;
down(&pd->lock);
pms_resolution(pd->width, pd->height);
up(&pd->lock); /* Ok we figured out what to use from our wide choice */
return 0;
}
case VIDIOCGWIN:
{
struct video_window *vw = arg;
memset(vw,0,sizeof(*vw));
vw->width=pd->width;
vw->height=pd->height;
return 0;
}
case VIDIOCKEY:
return 0;
case VIDIOCCAPTURE:
case VIDIOCGFBUF:
case VIDIOCSFBUF:
case VIDIOCGFREQ:
case VIDIOCSFREQ:
case VIDIOCGAUDIO:
case VIDIOCSAUDIO:
return -EINVAL;
default:
return -ENOIOCTLCMD;
}
return 0;
}
static int pms_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
{
struct pms_device *pd=(struct pms_device *)dev;
switch(cmd)
{
case VIDIOCGCAP:
{
struct video_capability b;
strcpy(b.name, "Mediavision PMS");
b.type = VID_TYPE_CAPTURE|VID_TYPE_SCALES;
b.channels = 4;
b.audios = 0;
b.maxwidth = 640;
b.maxheight = 480;
b.minwidth = 16;
b.minheight = 16;
if(copy_to_user(arg, &b,sizeof(b)))
return -EFAULT;
return 0;
}
case VIDIOCGCHAN:
{
struct video_channel v;
if(copy_from_user(&v, arg, sizeof(v)))
return -EFAULT;
if(v.channel<0 || v.channel>3)
return -EINVAL;
v.flags=0;
v.tuners=1;
/* Good question.. its composite or SVHS so.. */
v.type = VIDEO_TYPE_CAMERA;
switch(v.channel)
{
case 0:
strcpy(v.name, "Composite");break;
case 1:
strcpy(v.name, "SVideo");break;
case 2:
strcpy(v.name, "Composite(VCR)");break;
case 3:
strcpy(v.name, "SVideo(VCR)");break;
}
if(copy_to_user(arg, &v, sizeof(v)))
return -EFAULT;
return 0;
}
case VIDIOCSCHAN:
{
int v;
if(copy_from_user(&v, arg,sizeof(v)))
return -EFAULT;
if(v<0 || v>3)
return -EINVAL;
pms_videosource(v&1);
pms_vcrinput(v>>1);
return 0;
}
case VIDIOCGTUNER:
{
struct video_tuner v;
if(copy_from_user(&v, arg, sizeof(v))!=0)
return -EFAULT;
if(v.tuner)
return -EINVAL;
strcpy(v.name, "Format");
v.rangelow=0;
v.rangehigh=0;
v.flags= VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM;
switch(standard)
{
case 0:
v.mode = VIDEO_MODE_AUTO;
break;
case 1:
v.mode = VIDEO_MODE_NTSC;
break;
case 2:
v.mode = VIDEO_MODE_PAL;
break;
case 3:
v.mode = VIDEO_MODE_SECAM;
break;
}
if(copy_to_user(arg,&v,sizeof(v))!=0)
return -EFAULT;
return 0;
}
case VIDIOCSTUNER:
{
struct video_tuner v;
if(copy_from_user(&v, arg, sizeof(v))!=0)
return -EFAULT;
if(v.tuner)
return -EINVAL;
switch(v.mode)
{
case VIDEO_MODE_AUTO:
pms_framerate(25);
pms_secamcross(0);
pms_format(0);
break;
case VIDEO_MODE_NTSC:
pms_framerate(30);
pms_secamcross(0);
pms_format(1);
break;
case VIDEO_MODE_PAL:
pms_framerate(25);
pms_secamcross(0);
pms_format(2);
break;
case VIDEO_MODE_SECAM:
pms_framerate(25);
pms_secamcross(1);
pms_format(2);
break;
default:
return -EINVAL;
}
return 0;
}
case VIDIOCGPICT:
{
struct video_picture p=pd->picture;
if(copy_to_user(arg, &p, sizeof(p)))
return -EFAULT;
return 0;
}
case VIDIOCSPICT:
{
struct video_picture p;
if(copy_from_user(&p, arg, sizeof(p)))
return -EFAULT;
if(!((p.palette==VIDEO_PALETTE_RGB565 && p.depth==16)
||(p.palette==VIDEO_PALETTE_RGB555 && p.depth==15)))
return -EINVAL;
pd->picture=p;
/*
* Now load the card.
*/
pms_brightness(p.brightness>>8);
pms_hue(p.hue>>8);
pms_colour(p.colour>>8);
pms_contrast(p.contrast>>8);
return 0;
}
case VIDIOCSWIN:
{
struct video_window vw;
if(copy_from_user(&vw, arg,sizeof(vw)))
return -EFAULT;
if(vw.flags)
return -EINVAL;
if(vw.clipcount)
return -EINVAL;
if(vw.height<16||vw.height>480)
return -EINVAL;
if(vw.width<16||vw.width>640)
return -EINVAL;
pd->width=vw.width;
pd->height=vw.height;
pms_resolution(pd->width, pd->height);
/* Ok we figured out what to use from our wide choice */
return 0;
}
case VIDIOCGWIN:
{
struct video_window vw;
vw.x=0;
vw.y=0;
vw.width=pd->width;
vw.height=pd->height;
vw.chromakey=0;
vw.flags=0;
if(copy_to_user(arg, &vw, sizeof(vw)))
return -EFAULT;
return 0;
}
case VIDIOCCAPTURE:
return -EINVAL;
case VIDIOCGFBUF:
return -EINVAL;
case VIDIOCSFBUF:
return -EINVAL;
case VIDIOCKEY:
return 0;
case VIDIOCGFREQ:
return -EINVAL;
case VIDIOCSFREQ:
return -EINVAL;
case VIDIOCGAUDIO:
return -EINVAL;
case VIDIOCSAUDIO:
return -EINVAL;
default:
return -ENOIOCTLCMD;
}
return 0;
}
