linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / drivers / media / radio / radio-terratec.c

diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c
index dfba4ae..fcfde2e 100644 (file)
--- a/drivers/media/radio/radio-terratec.c
+++ b/drivers/media/radio/radio-terratec.c
@@ -2,11 +2,11 @@
  * (c) 1999 R. Offermanns (rolf@offermanns.de)
  * based on the aimslab radio driver from M. Kirkwood
  * many thanks to Michael Becker and Friedhelm Birth (from TerraTec)
- *
+ * 
  *
  * History:
  * 1999-05-21  First preview release
- *
+ * 
  *  Notes on the hardware:
  *  There are two "main" chips on the card:
  *  - Philips OM5610 (http://www-us.semiconductors.philips.com/acrobat/datasheets/OM5610_2.pdf)
@@ -20,7 +20,7 @@
  *  (as soon i have understand how to get started :)
  *  If you can help me out with that, please contact me!!
  *
- *
+ *  
  */
 
 #include <linux/module.h>      /* Modules                      */
@@ -30,7 +30,6 @@
 #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_TERRATEC_PORT   */
 #include <linux/spinlock.h>
 
@@ -50,7 +49,7 @@
 #define WRT_EN         0x10
 /*******************************************************************/
 
-static int io = CONFIG_RADIO_TERRATEC_PORT;
+static int io = CONFIG_RADIO_TERRATEC_PORT; 
 static int radio_nr = -1;
 static spinlock_t lock;
 
@@ -89,15 +88,15 @@ static void tt_mute(struct tt_device *dev)
 
 static int tt_setvol(struct tt_device *dev, int vol)
 {
-
+       
 //     printk(KERN_ERR "setvol called, vol = %d\n", vol);
 
        if(vol == dev->curvol) {        /* requested volume = current */
                if (dev->muted) {       /* user is unmuting the card  */
                        dev->muted = 0;
                        cardWriteVol(vol);      /* enable card */
-               }
-
+               }       
+       
                return 0;
        }
 
@@ -108,9 +107,9 @@ static int tt_setvol(struct tt_device *dev, int vol)
        }
 
        dev->muted = 0;
-
+       
        cardWriteVol(vol);
-
+        
        dev->curvol = vol;
 
        return 0;
@@ -122,13 +121,13 @@ static int tt_setvol(struct tt_device *dev, int vol)
 /* many more or less strange things are going on here, but hey, it works :) */
 
 static int tt_setfreq(struct tt_device *dev, unsigned long freq1)
-{
+{      
        int freq;
        int i;
        int p;
        int  temp;
        long rest;
-
+     
        unsigned char buffer[25];               /* we have to bit shift 25 registers */
        freq = freq1/160;                       /* convert the freq. to a nice to handle value */
        for(i=24;i>-1;i--)
@@ -143,9 +142,9 @@ static int tt_setfreq(struct tt_device *dev, unsigned long freq1)
        {
                if (rest%temp  == rest)
                        buffer[i] = 0;
-               else
+               else 
                {
-                       buffer[i] = 1;
+                       buffer[i] = 1; 
                        rest = rest-temp;
                }
                i--;
@@ -154,10 +153,10 @@ static int tt_setfreq(struct tt_device *dev, unsigned long freq1)
        }
 
        spin_lock(&lock);
-
+       
        for (i=24;i>-1;i--)                     /* bit shift the values to the radiocard */
        {
-               if (buffer[i]==1)
+               if (buffer[i]==1) 
                {
                        outb(WRT_EN|DATA, BASEPORT);
                        outb(WRT_EN|DATA|CLK_ON  , BASEPORT);
@@ -169,11 +168,11 @@ static int tt_setfreq(struct tt_device *dev, unsigned long freq1)
                        outb(WRT_EN|0x00|CLK_ON  , BASEPORT);
                }
        }
-       outb(0x00, BASEPORT);
-
+       outb(0x00, BASEPORT);     
+       
        spin_unlock(&lock);
-
-       return 0;
+  
+       return 0;
 }
 
 static int tt_getsigstr(struct tt_device *dev)         /* TODO */
@@ -191,7 +190,7 @@ static int tt_do_ioctl(struct inode *inode, struct file *file,
 {
        struct video_device *dev = video_devdata(file);
        struct tt_device *tt=dev->priv;
-
+       
        switch(cmd)
        {
                case VIDIOCGCAP:
@@ -207,7 +206,7 @@ static int tt_do_ioctl(struct inode *inode, struct file *file,
                case VIDIOCGTUNER:
                {
                        struct video_tuner *v = arg;
-                       if(v->tuner)    /* Only 1 tuner */
+                       if(v->tuner)    /* Only 1 tuner */ 
                                return -EINVAL;
                        v->rangelow=(87*16000);
                        v->rangehigh=(108*16000);
@@ -239,21 +238,21 @@ static int tt_do_ioctl(struct inode *inode, struct file *file,
                        return 0;
                }
                case VIDIOCGAUDIO:
-               {
+               {       
                        struct video_audio *v = arg;
                        memset(v,0, sizeof(*v));
                        v->flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME;
                        v->volume=tt->curvol * 6554;
                        v->step=6554;
                        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) 
                                tt_mute(tt);
                        else
                                tt_setvol(tt,v->volume/6554);
@@ -297,25 +296,25 @@ static int __init terratec_init(void)
                printk(KERN_ERR "You must set an I/O address with io=0x???\n");
                return -EINVAL;
        }
-       if (!request_region(io, 2, "terratec"))
+       if (!request_region(io, 2, "terratec")) 
        {
                printk(KERN_ERR "TerraTec: port 0x%x already in use\n", io);
                return -EBUSY;
        }
 
        terratec_radio.priv=&terratec_unit;
-
+       
        spin_lock_init(&lock);
-
+       
        if(video_register_device(&terratec_radio, VFL_TYPE_RADIO, radio_nr)==-1)
        {
                release_region(io,2);
                return -EINVAL;
        }
-
+               
        printk(KERN_INFO "TERRATEC ActivRadio Standalone card driver.\n");
 
-       /* mute card - prevents noisy bootups */
+       /* mute card - prevents noisy bootups */
 
        /* this ensures that the volume is all the way down  */
        cardWriteVol(0);
@@ -335,7 +334,7 @@ static void __exit terratec_cleanup_module(void)
 {
        video_unregister_device(&terratec_radio);
        release_region(io,2);
-       printk(KERN_INFO "TERRATEC ActivRadio Standalone card driver unloaded.\n");
+       printk(KERN_INFO "TERRATEC ActivRadio Standalone card driver unloaded.\n");     
 }
 
 module_init(terratec_init);