diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/media/radio/radio-maxiradio.c | 81 |
1 files changed, 41 insertions, 40 deletions
diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index f0bf47bcb64c..f93d7afe7304 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 * */ @@ -41,6 +41,7 @@ #include <linux/pci.h> #include <linux/videodev.h> +#include <media/v4l2-common.h> /* version 0.75 Sun Feb 4 22:51:27 EET 2001 */ #define DRIVER_VERSION "0.75" @@ -80,7 +81,7 @@ 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 +98,11 @@ 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 +115,7 @@ 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 +133,12 @@ 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 +146,24 @@ 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 +178,7 @@ 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 +187,22 @@ 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 +213,13 @@ 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 +227,18 @@ 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 +250,13 @@ 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 +268,7 @@ 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 +283,21 @@ 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 " |