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[PATCH] media-radio: Maestro radio Lindent

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Maestro radio Lindent + some handwork

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jiri Slaby 2006-01-09 20:52:48 -08:00 committed by Linus Torvalds
parent 89dad8f07f
commit 6a2cf8eed7
1 changed files with 105 additions and 103 deletions
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54
drivers/media/radio/radio-maestro.c
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@ -92,8 +92,7 @@ static struct file_operations maestro_fops = {
.llseek = no_llseek,
};
static struct video_device maestro_radio=
{
static struct video_device maestro_radio = {
.owner = THIS_MODULE,
.name = "Maestro radio",
.type = VID_TYPE_TUNER,
@ -101,8 +100,7 @@ static struct video_device maestro_radio=
.fops = &maestro_fops,
};
struct radio_device
{
struct radio_device {
__u16 io, /* base of Maestro card radio io (GPIO_DATA)*/
muted, /* VIDEO_AUDIO_MUTE */
stereo, /* VIDEO_TUNER_STEREO_ON */
@ -115,6 +113,7 @@ static __u32 radio_bits_get(struct radio_device *dev)
register __u16 io=dev->io, l, rdata;
register __u32 data=0;
__u16 omask;
omask = inw(io + IO_MASK);
outw(~(STR_CLK | STR_WREN), io + IO_MASK);
outw(0, io);
@ -137,10 +136,13 @@ static __u32 radio_bits_get(struct radio_device *dev)
data++;
udelay(2);
}
if(dev->muted)
outw(STR_WREN, io);
udelay(4);
outw(omask, io + IO_MASK);
return data & 0x3ffe;
}
@ -148,6 +150,7 @@ static void radio_bits_set(struct radio_device *dev, __u32 data)
{
register __u16 io=dev->io, l, bits;
__u16 omask, odir;
omask = inw(io + IO_MASK);
odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir | STR_DATA, io + IO_DIR);
@ -163,8 +166,10 @@ static void radio_bits_set(struct radio_device *dev, __u32 data)
outw(bits, io); /* LO level */
udelay(4);
}
if(!dev->muted)
outw(0, io);
udelay(4);
outw(omask, io + IO_MASK);
outw(odir, io + IO_DIR);
@ -185,8 +190,7 @@ static inline int radio_function(struct inode *inode, struct file *file,
v->type = VID_TYPE_TUNER;
v->channels = v->audios = 1;
return 0;
}
case VIDIOCGTUNER: {
} case VIDIOCGTUNER: {
struct video_tuner *v = arg;
if (v->tuner)
return -EINVAL;
@ -198,34 +202,29 @@ static inline int radio_function(struct inode *inode, struct file *file,
v->rangehigh = FREQ_HI;
v->mode = VIDEO_MODE_AUTO;
return 0;
}
case VIDIOCSTUNER: {
} case VIDIOCSTUNER: {
struct video_tuner *v = arg;
if (v->tuner != 0)
return -EINVAL;
return 0;
}
case VIDIOCGFREQ: {
} case VIDIOCGFREQ: {
unsigned long *freq = arg;
*freq = BITS2FREQ(radio_bits_get(card));
return 0;
}
case VIDIOCSFREQ: {
} case VIDIOCSFREQ: {
unsigned long *freq = arg;
if (*freq < FREQ_LO || *freq > FREQ_HI)
return -EINVAL;
radio_bits_set(card, FREQ2BITS(*freq));
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;
}
case VIDIOCSAUDIO: {
} case VIDIOCSAUDIO: {
struct video_audio *v = arg;
if (v->audio)
return -EINVAL;
@ -233,15 +232,14 @@ static inline int radio_function(struct inode *inode, struct file *file,
register __u16 io = card->io;
register __u16 omask = inw(io + IO_MASK);
outw(~STR_WREN, io + IO_MASK);
outw((card->muted = v->flags & VIDEO_AUDIO_MUTE)
? STR_WREN : 0, io);
outw((card->muted = v->flags & VIDEO_AUDIO_MUTE) ?
STR_WREN : 0, io);
udelay(4);
outw(omask, io + IO_MASK);
msleep(125);
return 0;
}
}
case VIDIOCGUNIT: {
} case VIDIOCGUNIT: {
struct video_unit *v = arg;
v->video = VIDEO_NO_UNIT;
v->vbi = VIDEO_NO_UNIT;
@ -249,8 +247,8 @@ static inline int radio_function(struct inode *inode, struct file *file,
v->audio = 0;
v->teletext = VIDEO_NO_UNIT;
return 0;
}
default: return -ENOIOCTLCMD;
} default:
return -ENOIOCTLCMD;
}
}
@ -264,6 +262,7 @@ static int radio_ioctl(struct inode *inode, struct file *file,
down(&card->lock);
ret = video_usercopy(inode, file, cmd, arg, radio_function);
up(&card->lock);
return ret;
}
@ -272,6 +271,7 @@ static __u16 __devinit radio_power_on(struct radio_device *dev)
register __u16 io = dev->io;
register __u32 ofreq;
__u16 omask, odir;
omask = inw(io + IO_MASK);
odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir & ~STR_WREN, io + IO_DIR);
@ -282,9 +282,11 @@ static __u16 __devinit radio_power_on(struct radio_device *dev)
udelay(16);
outw(omask, io + IO_MASK);
ofreq = radio_bits_get(dev);
if ((ofreq < FREQ2BITS(FREQ_LO)) || (ofreq > FREQ2BITS(FREQ_HI)))
ofreq = FREQ2BITS(FREQ_LO);
radio_bits_set(dev, ofreq);
return (ofreq == radio_bits_get(dev));
}
@ -357,10 +359,6 @@ static void __devexit maestro_remove(struct pci_dev *pdev)
video_unregister_device(vdev);
}
MODULE_AUTHOR("Adam Tlalka, atlka@pg.gda.pl");
MODULE_DESCRIPTION("Radio driver for the Maestro PCI sound card radio.");
MODULE_LICENSE("GPL");
static int __init maestro_radio_init(void)
{
int retval = pci_register_driver(&maestro_r_driver);
@ -378,3 +376,7 @@ static void __exit maestro_radio_exit(void)
module_init(maestro_radio_init);
module_exit(maestro_radio_exit);
MODULE_AUTHOR("Adam Tlalka, atlka@pg.gda.pl");
MODULE_DESCRIPTION("Radio driver for the Maestro PCI sound card radio.");
MODULE_LICENSE("GPL");