static int pcm20_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct pcm20_device *pcm20 = dev->priv;
int i;
switch(cmd)
{
case VIDIOCGCAP:
{
struct video_capability *v = arg;
memset(v,0,sizeof(*v));
v->type=VID_TYPE_TUNER;
strcpy(v->name, "Miro PCM20");
v->channels=1;
v->audios=1;
return 0;
}
case VIDIOCGTUNER:
{
struct video_tuner *v = arg;
if(v->tuner) /* Only 1 tuner */
return -EINVAL;
v->rangelow=87*16000;
v->rangehigh=108*16000;
pcm20_getflags(pcm20, &v->flags, &v->signal);
v->flags|=VIDEO_TUNER_LOW;
v->mode=VIDEO_MODE_AUTO;
strcpy(v->name, "FM");
return 0;
}
case VIDIOCSTUNER:
{
struct video_tuner *v = arg;
if(v->tuner!=0)
return -EINVAL;
/* Only 1 tuner so no setting needed ! */
return 0;
}
case VIDIOCGFREQ:
{
unsigned long *freq = arg;
*freq = pcm20->freq;
return 0;
}
case VIDIOCSFREQ:
{
unsigned long *freq = arg;
pcm20->freq = *freq;
i=pcm20_setfreq(pcm20, pcm20->freq);
pr_debug("First view (setfreq): 0x%x\n", i);
return i;
}
case VIDIOCGAUDIO:
{
struct video_audio *v = arg;
memset(v,0, sizeof(*v));
v->flags=VIDEO_AUDIO_MUTABLE;
if (pcm20->muted)
v->flags|=VIDEO_AUDIO_MUTE;
v->mode=VIDEO_SOUND_STEREO;
if (pcm20->stereo)
v->mode|=VIDEO_SOUND_MONO;
/* v->step=2048; */
strcpy(v->name, "Radio");
return 0;
}
case VIDIOCSAUDIO:
{
struct video_audio *v = arg;
if(v->audio)
return -EINVAL;
pcm20_mute(pcm20, !!(v->flags&VIDEO_AUDIO_MUTE));
if(v->flags&VIDEO_SOUND_MONO)
pcm20_stereo(pcm20, 0);
if(v->flags&VIDEO_SOUND_STEREO)
pcm20_stereo(pcm20, 1);
return 0;
}
default:
return -ENOIOCTLCMD;
}
}
static int pcm20_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
{
struct pcm20_device *pcm20=dev->priv;
switch(cmd)
{
case VIDIOCGCAP:
{
struct video_capability v;
v.type=VID_TYPE_TUNER;
strcpy(v.name, "Miro PCM20");
v.channels=1;
v.audios=1;
/* No we don't do pictures */
v.maxwidth=0;
v.maxheight=0;
v.minwidth=0;
v.minheight=0;
if(copy_to_user(arg,&v,sizeof(v)))
return -EFAULT;
return 0;
}
case VIDIOCGTUNER:
{
struct video_tuner v;
if(copy_from_user(&v, arg,sizeof(v))!=0)
return -EFAULT;
if(v.tuner) /* Only 1 tuner */
return -EINVAL;
v.rangelow=(int)(87.5*16);
v.rangehigh=(int)(108.0*16);
v.flags=0;
v.mode=VIDEO_MODE_AUTO;
v.signal=0xFFFF*pcm20_getsigstr(pcm20);
strcpy(v.name, "FM");
if(copy_to_user(arg,&v, sizeof(v)))
return -EFAULT;
return 0;
}
case VIDIOCSTUNER:
{
struct video_tuner v;
if(copy_from_user(&v, arg, sizeof(v)))
return -EFAULT;
if(v.tuner!=0)
return -EINVAL;
/* Only 1 tuner so no setting needed ! */
return 0;
}
case VIDIOCGFREQ:
if(copy_to_user(arg, &pcm20->curfreq, sizeof(pcm20->curfreq)))
return -EFAULT;
return 0;
case VIDIOCSFREQ:
if(copy_from_user(&pcm20->curfreq, arg,sizeof(pcm20->curfreq)))
return -EFAULT;
pcm20_setfreq(pcm20, pcm20->curfreq);
return 0;
case VIDIOCGAUDIO:
{
struct video_audio v;
memset(&v,0, sizeof(v));
v.flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME;
v.volume=pcm20->curvol * 2048;
strcpy(v.name, "Radio");
if(copy_to_user(arg,&v, sizeof(v)))
return -EFAULT;
return 0;
}
case VIDIOCSAUDIO:
{
struct video_audio v;
if(copy_from_user(&v, arg, sizeof(v)))
return -EFAULT;
if(v.audio)
return -EINVAL;
if(v.flags&VIDEO_AUDIO_MUTE)
pcm20_mute(pcm20);
else
pcm20_setvol(pcm20,v.volume/2048);
return 0;
}
default:
return -ENOIOCTLCMD;
}
}
