diff options
Diffstat (limited to 'drivers/media/radio/radio-sf16fmi.c')
| -rw-r--r-- | drivers/media/radio/radio-sf16fmi.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 53073b42410..efee6e339d1 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -12,7 +12,7 @@ * Frequency control is done digitally -- ie out(port,encodefreq(95.8)); * No volume control - only mute/unmute - you have to use line volume * control on SB-part of SF16FMI - * + * */ #include <linux/kernel.h> /* __setup */ @@ -21,6 +21,7 @@ #include <linux/ioport.h> /* request_region */ #include <linux/delay.h> /* udelay */ #include <linux/videodev.h> /* kernel radio structs */ +#include <media/v4l2-common.h> #include <linux/isapnp.h> #include <asm/io.h> /* outb, outb_p */ #include <asm/uaccess.h> /* copy to/from user */ @@ -29,19 +30,19 @@ struct fmi_device { int port; - int curvol; /* 1 or 0 */ - unsigned long curfreq; /* freq in kHz */ - __u32 flags; + int curvol; /* 1 or 0 */ + unsigned long curfreq; /* freq in kHz */ + __u32 flags; }; -static int io = -1; +static int io = -1; static int radio_nr = -1; static struct pnp_dev *dev = NULL; static struct mutex lock; /* freq is in 1/16 kHz to internal number, hw precision is 50 kHz */ /* It is only useful to give freq in intervall of 800 (=0.05Mhz), - * other bits will be truncated, e.g 92.7400016 -> 92.7, but + * other bits will be truncated, e.g 92.7400016 -> 92.7, but * 92.7400017 -> 92.75 */ #define RSF16_ENCODE(x) ((x)/800+214) @@ -51,7 +52,7 @@ static struct mutex lock; static void outbits(int bits, unsigned int data, int port) { while(bits--) { - if(data & 1) { + if(data & 1) { outb(5, port); udelay(6); outb(7, port); @@ -101,7 +102,7 @@ static inline int fmi_getsigstr(struct fmi_device *dev) int res; int myport = dev->port; - + mutex_lock(&lock); val = dev->curvol ? 0x08 : 0x00; /* unmute/mute */ outb(val, myport); @@ -109,7 +110,7 @@ static inline int fmi_getsigstr(struct fmi_device *dev) msleep(143); /* was schedule_timeout(HZ/7) */ res = (int)inb(myport+1); outb(val, myport); - + mutex_unlock(&lock); return (res & 2) ? 0 : 0xFFFF; } @@ -119,7 +120,7 @@ static int fmi_do_ioctl(struct inode *inode, struct file *file, { struct video_device *dev = video_devdata(file); struct fmi_device *fmi=dev->priv; - + switch(cmd) { case VIDIOCGCAP: @@ -174,18 +175,18 @@ static int fmi_do_ioctl(struct inode *inode, struct file *file, return -EINVAL; /*rounding in steps of 800 to match th freq that will be used */ - fmi->curfreq = (*freq/800)*800; + fmi->curfreq = (*freq/800)*800; fmi_setfreq(fmi); return 0; } case VIDIOCGAUDIO: - { + { struct video_audio *v = arg; memset(v,0,sizeof(*v)); v->flags=( (!fmi->curvol)*VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE); strcpy(v->name, "Radio"); v->mode=VIDEO_SOUND_STEREO; - return 0; + return 0; } case VIDIOCSAUDIO: { @@ -193,19 +194,19 @@ static int fmi_do_ioctl(struct inode *inode, struct file *file, if(v->audio) return -EINVAL; fmi->curvol= v->flags&VIDEO_AUDIO_MUTE ? 0 : 1; - fmi->curvol ? + fmi->curvol ? fmi_unmute(fmi->port) : fmi_mute(fmi->port); return 0; } - case VIDIOCGUNIT: + case VIDIOCGUNIT: { - struct video_unit *v = arg; + struct video_unit *v = arg; v->video=VIDEO_NO_UNIT; v->vbi=VIDEO_NO_UNIT; v->radio=dev->minor; v->audio=0; /* How do we find out this??? */ v->teletext=VIDEO_NO_UNIT; - return 0; + return 0; } default: return -ENOIOCTLCMD; @@ -295,14 +296,14 @@ static int __init fmi_init(void) fmi_unit.curfreq = 0; fmi_unit.flags = VIDEO_TUNER_LOW; fmi_radio.priv = &fmi_unit; - + mutex_init(&lock); - + if (video_register_device(&fmi_radio, VFL_TYPE_RADIO, radio_nr) == -1) { release_region(io, 2); return -EINVAL; } - + printk(KERN_INFO "SF16FMx radio card driver at 0x%x\n", io); /* mute card - prevents noisy bootups */ fmi_mute(io); |