/* RadioTrack II driver for Linux radio support (C) 1998 Ben Pfaff
- *
+ *
* Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood
* Converted to new API by Alan Cox <Alan.Cox@linux.org>
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev.h> /* kernel radio structs */
-#include <media/v4l2-common.h>
#include <linux/config.h> /* CONFIG_RADIO_RTRACK2_PORT */
#include <linux/spinlock.h>
#define CONFIG_RADIO_RTRACK2_PORT -1
#endif
-static int io = CONFIG_RADIO_RTRACK2_PORT;
+static int io = CONFIG_RADIO_RTRACK2_PORT;
static int radio_nr = -1;
static spinlock_t lock;
static void rt_mute(struct rt_device *dev)
{
- if(dev->muted)
+ if(dev->muted)
return;
spin_lock(&lock);
outb(1, io);
static void zero(void)
{
- outb_p(1, io);
+ outb_p(1, io);
outb_p(3, io);
outb_p(1, io);
}
static void one(void)
{
- outb_p(5, io);
+ outb_p(5, io);
outb_p(7, io);
outb_p(5, io);
}
int i;
freq = freq / 200 + 856;
-
+
spin_lock(&lock);
outb_p(0xc8, io);
outb_p(0xc8, io);
if (!dev->muted)
outb_p(0, io);
-
+
spin_unlock(&lock);
return 0;
}
case VIDIOCGTUNER:
{
struct video_tuner *v = arg;
- if(v->tuner) /* Only 1 tuner */
+ if(v->tuner) /* Only 1 tuner */
return -EINVAL;
v->rangelow=88*16000;
v->rangehigh=108*16000;
return 0;
}
case VIDIOCGAUDIO:
- {
+ {
struct video_audio *v = arg;
memset(v,0, sizeof(*v));
v->flags|=VIDEO_AUDIO_MUTABLE;
v->volume=1;
v->step=65535;
strcpy(v->name, "Radio");
- return 0;
+ return 0;
}
case VIDIOCSAUDIO:
{
struct video_audio *v = arg;
- if(v->audio)
+ if(v->audio)
return -EINVAL;
- if(v->flags&VIDEO_AUDIO_MUTE)
+ if(v->flags&VIDEO_AUDIO_MUTE)
rt_mute(rt);
else
- rt_unmute(rt);
+ rt_unmute(rt);
return 0;
}
printk(KERN_ERR "You must set an I/O address with io=0x20c or io=0x30c\n");
return -EINVAL;
}
- if (!request_region(io, 4, "rtrack2"))
+ if (!request_region(io, 4, "rtrack2"))
{
printk(KERN_ERR "rtrack2: port 0x%x already in use\n", io);
return -EBUSY;
rtrack2_radio.priv=&rtrack2_unit;
- spin_lock_init(&lock);
+ spin_lock_init(&lock);
if(video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr)==-1)
{
release_region(io, 4);
return -EINVAL;
}
-
+
printk(KERN_INFO "AIMSlab Radiotrack II card driver.\n");
- /* mute card - prevents noisy bootups */
+ /* mute card - prevents noisy bootups */
outb(1, io);
rtrack2_unit.muted = 1;