/*
* initialize all the tea575x chips
*/
void snd_tea575x_init(struct snd_tea575x *tea)
{
unsigned int val;
val = tea->ops->read(tea);
if (val == 0x1ffffff || val == 0) {
snd_printk(KERN_ERR "Cannot find TEA575x chip\n");
return;
}
memset(&tea->vd, 0, sizeof(tea->vd));
tea->vd.owner = tea->card->module;
strcpy(tea->vd.name, tea->tea5759 ? "TEA5759 radio" : "TEA5757 radio");
tea->vd.type = VID_TYPE_TUNER;
tea->vd.release = snd_tea575x_release;
video_set_drvdata(&tea->vd, tea);
tea->vd.fops = &tea->fops;
tea->fops.owner = tea->card->module;
tea->fops.open = video_exclusive_open;
tea->fops.release = video_exclusive_release;
tea->fops.ioctl = snd_tea575x_ioctl;
if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
snd_printk(KERN_ERR "unable to register tea575x tuner\n");
return;
}
tea->vd_registered = 1;
tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
tea->freq = 90500 * 16; /* 90.5Mhz default */
snd_tea575x_set_freq(tea);
}
static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct snd_tea575x *tea = video_drvdata(file);
if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
return -EINVAL;
tea->freq = f->frequency;
snd_tea575x_set_freq(tea);
return 0;
}
/*
* initialize all the tea575x chips
*/
void snd_tea575x_init(struct snd_tea575x *tea)
{
int retval;
unsigned int val;
struct video_device *tea575x_radio_inst;
val = tea->ops->read(tea);
if (val == 0x1ffffff || val == 0) {
snd_printk(KERN_ERR
"tea575x-tuner: Cannot find TEA575x chip\n");
return;
}
tea->in_use = 0;
tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40;
tea->freq = 90500 * 16; /* 90.5Mhz default */
tea575x_radio_inst = video_device_alloc();
if (tea575x_radio_inst == NULL) {
printk(KERN_ERR "tea575x-tuner: not enough memory\n");
return;
}
memcpy(tea575x_radio_inst, &tea575x_radio, sizeof(tea575x_radio));
strcpy(tea575x_radio.name, tea->tea5759 ?
"TEA5759 radio" : "TEA5757 radio");
video_set_drvdata(tea575x_radio_inst, tea);
retval = video_register_device(tea575x_radio_inst,
VFL_TYPE_RADIO, radio_nr);
if (retval) {
printk(KERN_ERR "tea575x-tuner: can't register video device!\n");
kfree(tea575x_radio_inst);
return;
}
snd_tea575x_set_freq(tea);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)
/* mute on init */
if (tea->ops->mute) {
tea->ops->mute(tea, 1);
tea->mute = 1;
}
#endif
tea->vd = tea575x_radio_inst;
}
static int snd_tea575x_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long data)
{
struct video_device *dev = video_devdata(file);
struct snd_tea575x *tea = video_get_drvdata(dev);
void __user *arg = (void __user *)data;
switch(cmd) {
case VIDIOCGCAP:
{
struct video_capability v;
v.type = VID_TYPE_TUNER;
v.channels = 1;
v.audios = 1;
/* No we don't do pictures */
v.maxwidth = 0;
v.maxheight = 0;
v.minwidth = 0;
v.minheight = 0;
strcpy(v.name, tea->tea5759 ? "TEA5759" : "TEA5757");
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 = (87*16000);
v.rangehigh = (108*16000);
v.flags = VIDEO_TUNER_LOW;
v.mode = VIDEO_MODE_AUTO;
strcpy(v.name, "FM");
v.signal = 0xFFFF;
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, &tea->freq, sizeof(tea->freq)))
return -EFAULT;
return 0;
case VIDIOCSFREQ:
if(copy_from_user(&tea->freq, arg, sizeof(tea->freq)))
return -EFAULT;
snd_tea575x_set_freq(tea);
return 0;
case VIDIOCGAUDIO:
{
struct video_audio v;
memset(&v, 0, sizeof(v));
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;
return 0;
}
default:
return -ENOIOCTLCMD;
}
}
