summaryrefslogtreecommitdiff
path: root/drivers/media/radio/radio-maxiradio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/radio/radio-maxiradio.c')
-rw-r--r--drivers/media/radio/radio-maxiradio.c80
1 files changed, 40 insertions, 40 deletions
diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c
index f0bf47b..fe25525 100644
--- a/drivers/media/radio/radio-maxiradio.c
+++ b/drivers/media/radio/radio-maxiradio.c
@@ -1,15 +1,15 @@
-/*
- * Guillemot Maxi Radio FM 2000 PCI radio card driver for Linux
+/*
+ * Guillemot Maxi Radio FM 2000 PCI radio card driver for Linux
* (C) 2001 Dimitromanolakis Apostolos <apdim@grecian.net>
*
* Based in the radio Maestro PCI driver. Actually it uses the same chip
* for radio but different pci controller.
*
* I didn't have any specs I reversed engineered the protocol from
- * the windows driver (radio.dll).
+ * the windows driver (radio.dll).
*
* The card uses the TEA5757 chip that includes a search function but it
- * is useless as I haven't found any way to read back the frequency. If
+ * is useless as I haven't found any way to read back the frequency. If
* anybody does please mail me.
*
* For the pdf file see:
@@ -24,7 +24,7 @@
* - tiding up
* - removed support for multiple devices as it didn't work anyway
*
- * BUGS:
+ * BUGS:
* - card unmutes if you change frequency
*
*/
@@ -80,7 +80,7 @@ static struct file_operations maxiradio_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
- .ioctl = radio_ioctl,
+ .ioctl = radio_ioctl,
.compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
};
@@ -97,11 +97,11 @@ static struct radio_device
{
__u16 io, /* base of radio io */
muted, /* VIDEO_AUDIO_MUTE */
- stereo, /* VIDEO_TUNER_STEREO_ON */
+ stereo, /* VIDEO_TUNER_STEREO_ON */
tuned; /* signal strength (0 or 0xffff) */
-
+
unsigned long freq;
-
+
struct mutex lock;
} radio_unit = {0, 0, 0, 0, };
@@ -114,7 +114,7 @@ static void outbit(unsigned long bit, __u16 io)
outb( power|wren|data|clk ,io); udelay(4);
outb( power|wren|data ,io); udelay(4);
}
- else
+ else
{
outb( power|wren ,io); udelay(4);
outb( power|wren|clk ,io); udelay(4);
@@ -132,12 +132,12 @@ static void set_freq(__u16 io, __u32 data)
{
unsigned long int si;
int bl;
-
+
/* TEA5757 shift register bits (see pdf) */
- outbit(0,io); // 24 search
+ outbit(0,io); // 24 search
outbit(1,io); // 23 search up/down
-
+
outbit(0,io); // 22 stereo/mono
outbit(0,io); // 21 band
@@ -145,24 +145,24 @@ static void set_freq(__u16 io, __u32 data)
outbit(0,io); // 19 port ?
outbit(0,io); // 18 port ?
-
+
outbit(0,io); // 17 search level
outbit(0,io); // 16 search level
-
+
si = 0x8000;
for(bl = 1; bl <= 16 ; bl++) { outbit(data & si,io); si >>=1; }
-
+
outb(power,io);
}
static int get_stereo(__u16 io)
-{
+{
outb(power,io); udelay(4);
return !(inb(io) & mo_st);
}
static int get_tune(__u16 io)
-{
+{
outb(power+clk,io); udelay(4);
return !(inb(io) & mo_st);
}
@@ -177,7 +177,7 @@ static inline int radio_function(struct inode *inode, struct file *file,
switch(cmd) {
case VIDIOCGCAP: {
struct video_capability *v = arg;
-
+
memset(v,0,sizeof(*v));
strcpy(v->name, "Maxi Radio FM2000 radio");
v->type=VID_TYPE_TUNER;
@@ -186,22 +186,22 @@ static inline int radio_function(struct inode *inode, struct file *file,
}
case VIDIOCGTUNER: {
struct video_tuner *v = arg;
-
+
if(v->tuner)
return -EINVAL;
-
+
card->stereo = 0xffff * get_stereo(card->io);
card->tuned = 0xffff * get_tune(card->io);
-
+
v->flags = VIDEO_TUNER_LOW | card->stereo;
v->signal = card->tuned;
-
+
strcpy(v->name, "FM");
-
+
v->rangelow = FREQ_LO;
v->rangehigh = FREQ_HI;
v->mode = VIDEO_MODE_AUTO;
-
+
return 0;
}
case VIDIOCSTUNER: {
@@ -212,13 +212,13 @@ static inline int radio_function(struct inode *inode, struct file *file,
}
case VIDIOCGFREQ: {
unsigned long *freq = arg;
-
+
*freq = card->freq;
return 0;
}
case VIDIOCSFREQ: {
unsigned long *freq = arg;
-
+
if (*freq < FREQ_LO || *freq > FREQ_HI)
return -EINVAL;
card->freq = *freq;
@@ -226,18 +226,18 @@ static inline int radio_function(struct inode *inode, struct file *file,
msleep(125);
return 0;
}
- case VIDIOCGAUDIO: {
+ case VIDIOCGAUDIO: {
struct video_audio *v = arg;
memset(v,0,sizeof(*v));
strcpy(v->name, "Radio");
v->flags=VIDEO_AUDIO_MUTABLE | card->muted;
v->mode=VIDEO_SOUND_STEREO;
- return 0;
+ return 0;
}
-
+
case VIDIOCSAUDIO: {
struct video_audio *v = arg;
-
+
if(v->audio)
return -EINVAL;
card->muted = v->flags & VIDEO_AUDIO_MUTE;
@@ -249,13 +249,13 @@ static inline int radio_function(struct inode *inode, struct file *file,
}
case VIDIOCGUNIT: {
struct video_unit *v = arg;
-
+
v->video=VIDEO_NO_UNIT;
v->vbi=VIDEO_NO_UNIT;
v->radio=dev->minor;
v->audio=0;
v->teletext=VIDEO_NO_UNIT;
- return 0;
+ return 0;
}
default: return -ENOIOCTLCMD;
}
@@ -267,7 +267,7 @@ static int radio_ioctl(struct inode *inode, struct file *file,
struct video_device *dev = video_devdata(file);
struct radio_device *card=dev->priv;
int ret;
-
+
mutex_lock(&card->lock);
ret = video_usercopy(inode, file, cmd, arg, radio_function);
mutex_unlock(&card->lock);
@@ -282,21 +282,21 @@ MODULE_LICENSE("GPL");
static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
if(!request_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) {
- printk(KERN_ERR "radio-maxiradio: can't reserve I/O ports\n");
- goto err_out;
+ pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) {
+ printk(KERN_ERR "radio-maxiradio: can't reserve I/O ports\n");
+ goto err_out;
}
if (pci_enable_device(pdev))
- goto err_out_free_region;
+ goto err_out_free_region;
radio_unit.io = pci_resource_start(pdev, 0);
mutex_init(&radio_unit.lock);
maxiradio_radio.priv = &radio_unit;
if(video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr)==-1) {
- printk("radio-maxiradio: can't register device!");
- goto err_out_free_region;
+ printk("radio-maxiradio: can't register device!");
+ goto err_out_free_region;
}
printk(KERN_INFO "radio-maxiradio: version "
generated by cgit v0.10.2 at 2024-11-15 03:52:41 (GMT)