Skip to content

L
linux-davinci-2.6.23
Commit 6a2cf8ee authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
Browse files
Options

[PATCH] media-radio: Maestro radio Lindent 

Maestro radio Lindent + some handwork
Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 89dad8f0
Hide whitespace changes
Inline Side-by-side
Showing with 105 additions and 103 deletions
drivers/media/radio/radio-maestro.c
View file @ 6a2cf8ee
...@@ -29,28 +29,28 @@ ...@@ -29,28 +29,28 @@
#define DRIVER_VERSION "0.05" #define DRIVER_VERSION "0.05"
#define GPIO_DATA 0x60 /* port offset from ESS_IO_BASE */ #define GPIO_DATA 0x60 /* port offset from ESS_IO_BASE */
#define IO_MASK 4 /* mask register offset from GPIO_DATA #define IO_MASK 4 /* mask register offset from GPIO_DATA
bits 1=unmask write to given bit */ bits 1=unmask write to given bit */
#define IO_DIR 8 /* direction register offset from GPIO_DATA #define IO_DIR 8 /* direction register offset from GPIO_DATA
bits 0/1=read/write direction */ bits 0/1=read/write direction */
#define GPIO6 0x0040 /* mask bits for GPIO lines */ #define GPIO6 0x0040 /* mask bits for GPIO lines */
#define GPIO7 0x0080 #define GPIO7 0x0080
#define GPIO8 0x0100 #define GPIO8 0x0100
#define GPIO9 0x0200 #define GPIO9 0x0200
#define STR_DATA GPIO6 /* radio TEA5757 pins and GPIO bits */ #define STR_DATA GPIO6 /* radio TEA5757 pins and GPIO bits */
#define STR_CLK GPIO7 #define STR_CLK GPIO7
#define STR_WREN GPIO8 #define STR_WREN GPIO8
#define STR_MOST GPIO9 #define STR_MOST GPIO9
#define FREQ_LO 50*16000 #define FREQ_LO 50*16000
#define FREQ_HI 150*16000 #define FREQ_HI 150*16000
#define FREQ_IF 171200 /* 10.7*16000 */ #define FREQ_IF 171200 /* 10.7*16000 */
#define FREQ_STEP 200 /* 12.5*16 */ #define FREQ_STEP 200 /* 12.5*16 */
#define FREQ2BITS(x) ((((unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1))\ #define FREQ2BITS(x) ((((unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1))\
/(FREQ_STEP<<2))<<2) /* (x==fmhz*16*1000) -> bits */ /(FREQ_STEP<<2))<<2) /* (x==fmhz*16*1000) -> bits */
...@@ -61,7 +61,7 @@ static int radio_nr = -1; ...@@ -61,7 +61,7 @@ static int radio_nr = -1;
module_param(radio_nr, int, 0); module_param(radio_nr, int, 0);
static int radio_ioctl(struct inode *inode, struct file *file, static int radio_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg); unsigned int cmd, unsigned long arg);
static int maestro_probe(struct pci_dev *pdev, const struct pci_device_id *ent); static int maestro_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static void maestro_remove(struct pci_dev *pdev); static void maestro_remove(struct pci_dev *pdev);
...@@ -92,22 +92,20 @@ static struct file_operations maestro_fops = { ...@@ -92,22 +92,20 @@ static struct file_operations maestro_fops = {
.llseek = no_llseek, .llseek = no_llseek,
}; };
static struct video_device maestro_radio= static struct video_device maestro_radio = {
{
.owner = THIS_MODULE, .owner = THIS_MODULE,
.name = "Maestro radio", .name = "Maestro radio",
.type = VID_TYPE_TUNER, .type = VID_TYPE_TUNER,
.hardware = VID_HARDWARE_SF16MI, .hardware = VID_HARDWARE_SF16MI,
.fops = &maestro_fops, .fops = &maestro_fops,
}; };
struct radio_device struct radio_device {
{
__u16 io, /* base of Maestro card radio io (GPIO_DATA)*/ __u16 io, /* base of Maestro card radio io (GPIO_DATA)*/
muted, /* VIDEO_AUDIO_MUTE */ muted, /* VIDEO_AUDIO_MUTE */
stereo, /* VIDEO_TUNER_STEREO_ON */ stereo, /* VIDEO_TUNER_STEREO_ON */
tuned; /* signal strength (0 or 0xffff) */ tuned; /* signal strength (0 or 0xffff) */
struct semaphore lock; struct semaphore lock;
}; };
static __u32 radio_bits_get(struct radio_device *dev) static __u32 radio_bits_get(struct radio_device *dev)
...@@ -115,6 +113,7 @@ static __u32 radio_bits_get(struct radio_device *dev) ...@@ -115,6 +113,7 @@ static __u32 radio_bits_get(struct radio_device *dev)
register __u16 io=dev->io, l, rdata; register __u16 io=dev->io, l, rdata;
register __u32 data=0; register __u32 data=0;
__u16 omask; __u16 omask;
omask = inw(io + IO_MASK); omask = inw(io + IO_MASK);
outw(~(STR_CLK | STR_WREN), io + IO_MASK); outw(~(STR_CLK | STR_WREN), io + IO_MASK);
outw(0, io); outw(0, io);
...@@ -137,10 +136,13 @@ static __u32 radio_bits_get(struct radio_device *dev) ...@@ -137,10 +136,13 @@ static __u32 radio_bits_get(struct radio_device *dev)
data++; data++;
udelay(2); udelay(2);
} }
if(dev->muted) if(dev->muted)
outw(STR_WREN, io); outw(STR_WREN, io);
udelay(4); udelay(4);
outw(omask, io + IO_MASK); outw(omask, io + IO_MASK);
return data & 0x3ffe; return data & 0x3ffe;
} }
...@@ -148,6 +150,7 @@ static void radio_bits_set(struct radio_device *dev, __u32 data) ...@@ -148,6 +150,7 @@ static void radio_bits_set(struct radio_device *dev, __u32 data)
{ {
register __u16 io=dev->io, l, bits; register __u16 io=dev->io, l, bits;
__u16 omask, odir; __u16 omask, odir;
omask = inw(io + IO_MASK); omask = inw(io + IO_MASK);
odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN); odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir | STR_DATA, io + IO_DIR); outw(odir | STR_DATA, io + IO_DIR);
...@@ -163,8 +166,10 @@ static void radio_bits_set(struct radio_device *dev, __u32 data) ...@@ -163,8 +166,10 @@ static void radio_bits_set(struct radio_device *dev, __u32 data)
outw(bits, io); /* LO level */ outw(bits, io); /* LO level */
udelay(4); udelay(4);
} }
if(!dev->muted) if(!dev->muted)
outw(0, io); outw(0, io);
udelay(4); udelay(4);
outw(omask, io + IO_MASK); outw(omask, io + IO_MASK);
outw(odir, io + IO_DIR); outw(odir, io + IO_DIR);
...@@ -172,108 +177,103 @@ static void radio_bits_set(struct radio_device *dev, __u32 data) ...@@ -172,108 +177,103 @@ static void radio_bits_set(struct radio_device *dev, __u32 data)
} }
static inline int radio_function(struct inode *inode, struct file *file, static inline int radio_function(struct inode *inode, struct file *file,
unsigned int cmd, void *arg) unsigned int cmd, void *arg)
{ {
struct video_device *dev = video_devdata(file); struct video_device *dev = video_devdata(file);
struct radio_device *card=dev->priv; struct radio_device *card = dev->priv;
switch(cmd) { switch (cmd) {
case VIDIOCGCAP: { case VIDIOCGCAP: {
struct video_capability *v = arg; struct video_capability *v = arg;
memset(v,0,sizeof(*v)); memset(v, 0, sizeof(*v));
strcpy(v->name, "Maestro radio"); strcpy(v->name, "Maestro radio");
v->type=VID_TYPE_TUNER; v->type = VID_TYPE_TUNER;
v->channels=v->audios=1; v->channels = v->audios = 1;
return 0; return 0;
} } case VIDIOCGTUNER: {
case VIDIOCGTUNER: { struct video_tuner *v = arg;
struct video_tuner *v = arg; if (v->tuner)
if(v->tuner) return -EINVAL;
return -EINVAL; (void)radio_bits_get(card);
(void)radio_bits_get(card); v->flags = VIDEO_TUNER_LOW | card->stereo;
v->flags = VIDEO_TUNER_LOW | card->stereo; v->signal = card->tuned;
v->signal = card->tuned; strcpy(v->name, "FM");
strcpy(v->name, "FM"); v->rangelow = FREQ_LO;
v->rangelow = FREQ_LO; v->rangehigh = FREQ_HI;
v->rangehigh = FREQ_HI; v->mode = VIDEO_MODE_AUTO;
v->mode = VIDEO_MODE_AUTO; return 0;
return 0; } case VIDIOCSTUNER: {
} struct video_tuner *v = arg;
case VIDIOCSTUNER: { if (v->tuner != 0)
struct video_tuner *v = arg; return -EINVAL;
if(v->tuner!=0) return 0;
return -EINVAL; } case VIDIOCGFREQ: {
return 0; unsigned long *freq = arg;
} *freq = BITS2FREQ(radio_bits_get(card));
case VIDIOCGFREQ: { return 0;
unsigned long *freq = arg; } case VIDIOCSFREQ: {
*freq = BITS2FREQ(radio_bits_get(card)); unsigned long *freq = arg;
return 0; if (*freq < FREQ_LO || *freq > FREQ_HI)
} return -EINVAL;
case VIDIOCSFREQ: { radio_bits_set(card, FREQ2BITS(*freq));
unsigned long *freq = arg; return 0;
if (*freq<FREQ_LO || *freq>FREQ_HI ) } case VIDIOCGAUDIO: {
return -EINVAL; struct video_audio *v = arg;
radio_bits_set(card, FREQ2BITS(*freq)); 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: {
struct video_audio *v = arg;
if (v->audio)
return -EINVAL;
{
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);
udelay(4);
outw(omask, io + IO_MASK);
msleep(125);
return 0; return 0;
} }
case VIDIOCGAUDIO: { } case VIDIOCGUNIT: {
struct video_audio *v = arg; struct video_unit *v = arg;
memset(v,0,sizeof(*v)); v->video = VIDEO_NO_UNIT;
strcpy(v->name, "Radio"); v->vbi = VIDEO_NO_UNIT;
v->flags=VIDEO_AUDIO_MUTABLE | card->muted; v->radio = dev->minor;
v->mode=VIDEO_SOUND_STEREO; v->audio = 0;
return 0; v->teletext = VIDEO_NO_UNIT;
} return 0;
case VIDIOCSAUDIO: { } default:
struct video_audio *v = arg; return -ENOIOCTLCMD;
if(v->audio)
return -EINVAL;
{
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);
udelay(4);
outw(omask, io + IO_MASK);
msleep(125);
return 0;
}
}
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;
}
default: return -ENOIOCTLCMD;
} }
} }
static int radio_ioctl(struct inode *inode, struct file *file, static int radio_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg) unsigned int cmd, unsigned long arg)
{ {
struct video_device *dev = video_devdata(file); struct video_device *dev = video_devdata(file);
struct radio_device *card=dev->priv; struct radio_device *card = dev->priv;
int ret; int ret;
down(&card->lock); down(&card->lock);
ret = video_usercopy(inode, file, cmd, arg, radio_function); ret = video_usercopy(inode, file, cmd, arg, radio_function);
up(&card->lock); up(&card->lock);
return ret; return ret;
} }
static __u16 __devinit radio_power_on(struct radio_device *dev) static __u16 __devinit radio_power_on(struct radio_device *dev)
{ {
register __u16 io=dev->io; register __u16 io = dev->io;
register __u32 ofreq; register __u32 ofreq;
__u16 omask, odir; __u16 omask, odir;
omask = inw(io + IO_MASK); omask = inw(io + IO_MASK);
odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN); odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir & ~STR_WREN, io + IO_DIR); outw(odir & ~STR_WREN, io + IO_DIR);
dev->muted = inw(io) & STR_WREN ? 0 : VIDEO_AUDIO_MUTE; dev->muted = inw(io) & STR_WREN ? 0 : VIDEO_AUDIO_MUTE;
outw(odir, io + IO_DIR); outw(odir, io + IO_DIR);
...@@ -282,9 +282,11 @@ static __u16 __devinit radio_power_on(struct radio_device *dev) ...@@ -282,9 +282,11 @@ static __u16 __devinit radio_power_on(struct radio_device *dev)
udelay(16); udelay(16);
outw(omask, io + IO_MASK); outw(omask, io + IO_MASK);
ofreq = radio_bits_get(dev); ofreq = radio_bits_get(dev);
if((ofreq<FREQ2BITS(FREQ_LO)) || (ofreq>FREQ2BITS(FREQ_HI)))
if ((ofreq < FREQ2BITS(FREQ_LO)) || (ofreq > FREQ2BITS(FREQ_HI)))
ofreq = FREQ2BITS(FREQ_LO); ofreq = FREQ2BITS(FREQ_LO);
radio_bits_set(dev, ofreq); radio_bits_set(dev, ofreq);
return (ofreq == radio_bits_get(dev)); return (ofreq == radio_bits_get(dev));
} }
...@@ -335,7 +337,7 @@ static int __devinit maestro_probe(struct pci_dev *pdev, ...@@ -335,7 +337,7 @@ static int __devinit maestro_probe(struct pci_dev *pdev,
} }
dev_info(&pdev->dev, "version " DRIVER_VERSION " time " __TIME__ " " dev_info(&pdev->dev, "version " DRIVER_VERSION " time " __TIME__ " "
__DATE__ "\n"); __DATE__ "\n");
dev_info(&pdev->dev, "radio chip initialized\n"); dev_info(&pdev->dev, "radio chip initialized\n");
return 0; return 0;
...@@ -357,10 +359,6 @@ static void __devexit maestro_remove(struct pci_dev *pdev) ...@@ -357,10 +359,6 @@ static void __devexit maestro_remove(struct pci_dev *pdev)
video_unregister_device(vdev); 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) static int __init maestro_radio_init(void)
{ {
int retval = pci_register_driver(&maestro_r_driver); int retval = pci_register_driver(&maestro_r_driver);
...@@ -378,3 +376,7 @@ static void __exit maestro_radio_exit(void) ...@@ -378,3 +376,7 @@ static void __exit maestro_radio_exit(void)
module_init(maestro_radio_init); module_init(maestro_radio_init);
module_exit(maestro_radio_exit); 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");
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment