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Subject[PATCH 2/4] media-radio: Maestro radio Lindent
Maestro radio Lindent
[depends on mastro radio pci probing]

+some handwork

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>

---
commit f3f0d3e94b346e181a62de564506db1be00bb8ef
tree e52683bd644912b08905c2ce1dd719c9dea5b758
parent 91d2ae25f82de5c70a8051cf579bf28d46d6bd59
author <ku@bellona.(none)> Sat, 31 Dec 2005 17:00:05 +0100
committer <ku@bellona.(none)> Sat, 31 Dec 2005 17:00:05 +0100
drivers/media/radio/radio-maestro.c | 210 ++++++++++++++++++-----------------
1 files changed, 107 insertions(+), 103 deletions(-)
diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c
--- a/drivers/media/radio/radio-maestro.c
+++ b/drivers/media/radio/radio-maestro.c
@@ -29,28 +29,28 @@

#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
bits 1=unmask write to given bit */
#define IO_DIR 8 /* direction register offset from GPIO_DATA
bits 0/1=read/write direction */

-#define GPIO6 0x0040 /* mask bits for GPIO lines */
-#define GPIO7 0x0080
-#define GPIO8 0x0100
-#define GPIO9 0x0200
-
-#define STR_DATA GPIO6 /* radio TEA5757 pins and GPIO bits */
-#define STR_CLK GPIO7
-#define STR_WREN GPIO8
-#define STR_MOST GPIO9
+#define GPIO6 0x0040 /* mask bits for GPIO lines */
+#define GPIO7 0x0080
+#define GPIO8 0x0100
+#define GPIO9 0x0200
+
+#define STR_DATA GPIO6 /* radio TEA5757 pins and GPIO bits */
+#define STR_CLK GPIO7
+#define STR_WREN GPIO8
+#define STR_MOST GPIO9

#define FREQ_LO 50*16000
#define FREQ_HI 150*16000

-#define FREQ_IF 171200 /* 10.7*16000 */
-#define FREQ_STEP 200 /* 12.5*16 */
+#define FREQ_IF 171200 /* 10.7*16000 */
+#define FREQ_STEP 200 /* 12.5*16 */

#define FREQ2BITS(x) ((((unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1))\
/(FREQ_STEP<<2))<<2) /* (x==fmhz*16*1000) -> bits */
@@ -61,7 +61,7 @@ static int radio_nr = -1;
module_param(radio_nr, int, 0);

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 void maestro_remove(struct pci_dev *pdev);

@@ -85,11 +85,11 @@ static struct pci_driver maestro_r_drive

static struct file_operations maestro_fops = {
.owner = THIS_MODULE,
- .open = video_exclusive_open,
- .release = video_exclusive_release,
+ .open = video_exclusive_open,
+ .release = video_exclusive_release,
.ioctl = radio_ioctl,
.compat_ioctl = v4l_compat_ioctl32,
- .llseek = no_llseek,
+ .llseek = no_llseek,
};

static struct video_device maestro_radio=
@@ -98,7 +98,7 @@ static struct video_device maestro_radio
.name = "Maestro radio",
.type = VID_TYPE_TUNER,
.hardware = VID_HARDWARE_SF16MI,
- .fops = &maestro_fops,
+ .fops = &maestro_fops,
};

struct radio_device
@@ -107,7 +107,7 @@ struct radio_device
muted, /* VIDEO_AUDIO_MUTE */
stereo, /* VIDEO_TUNER_STEREO_ON */
tuned; /* signal strength (0 or 0xffff) */
- struct semaphore lock;
+ struct semaphore lock;
};

static __u32 radio_bits_get(struct radio_device *dev)
@@ -115,6 +115,7 @@ static __u32 radio_bits_get(struct radio
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 +138,13 @@ static __u32 radio_bits_get(struct radio
data++;
udelay(2);
}
+
if(dev->muted)
outw(STR_WREN, io);
+
udelay(4);
outw(omask, io + IO_MASK);
+
return data & 0x3ffe;
}

@@ -148,6 +152,7 @@ static void radio_bits_set(struct radio_
{
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 +168,10 @@ static void radio_bits_set(struct radio_
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);
@@ -172,108 +179,103 @@ static void radio_bits_set(struct radio_
}

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 radio_device *card=dev->priv;
-
- switch(cmd) {
- case VIDIOCGCAP: {
- struct video_capability *v = arg;
- memset(v,0,sizeof(*v));
- strcpy(v->name, "Maestro radio");
- v->type=VID_TYPE_TUNER;
- v->channels=v->audios=1;
- return 0;
- }
- case VIDIOCGTUNER: {
- struct video_tuner *v = arg;
- if(v->tuner)
- return -EINVAL;
- (void)radio_bits_get(card);
- 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: {
- struct video_tuner *v = arg;
- if(v->tuner!=0)
- return -EINVAL;
- return 0;
- }
- case VIDIOCGFREQ: {
- unsigned long *freq = arg;
- *freq = BITS2FREQ(radio_bits_get(card));
- return 0;
- }
- case VIDIOCSFREQ: {
- unsigned long *freq = arg;
- if (*freq<FREQ_LO || *freq>FREQ_HI )
- return -EINVAL;
- radio_bits_set(card, FREQ2BITS(*freq));
+ struct radio_device *card = dev->priv;
+
+ switch (cmd) {
+ case VIDIOCGCAP: {
+ struct video_capability *v = arg;
+ memset(v, 0, sizeof(*v));
+ strcpy(v->name, "Maestro radio");
+ v->type = VID_TYPE_TUNER;
+ v->channels = v->audios = 1;
+ return 0;
+ } case VIDIOCGTUNER: {
+ struct video_tuner *v = arg;
+ if (v->tuner)
+ return -EINVAL;
+ (void)radio_bits_get(card);
+ 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: {
+ struct video_tuner *v = arg;
+ if (v->tuner != 0)
+ return -EINVAL;
+ return 0;
+ } case VIDIOCGFREQ: {
+ unsigned long *freq = arg;
+ *freq = BITS2FREQ(radio_bits_get(card));
+ return 0;
+ } 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: {
+ 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: {
+ 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;
}
- 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: {
- 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;
- }
- }
- 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;
+ } 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,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
struct video_device *dev = video_devdata(file);
- struct radio_device *card=dev->priv;
+ struct radio_device *card = dev->priv;
int ret;

down(&card->lock);
ret = video_usercopy(inode, file, cmd, arg, radio_function);
up(&card->lock);
+
return ret;
}

static __u16 __devinit radio_power_on(struct radio_device *dev)
{
- register __u16 io=dev->io;
+ 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);
+ odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
outw(odir & ~STR_WREN, io + IO_DIR);
dev->muted = inw(io) & STR_WREN ? 0 : VIDEO_AUDIO_MUTE;
outw(odir, io + IO_DIR);
@@ -282,9 +284,11 @@ static __u16 __devinit radio_power_on(st
udelay(16);
outw(omask, io + IO_MASK);
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);
radio_bits_set(dev, ofreq);
+
return (ofreq == radio_bits_get(dev));
}

@@ -335,7 +339,7 @@ static int __devinit maestro_probe(struc
}

dev_info(&pdev->dev, "version " DRIVER_VERSION " time " __TIME__ " "
- __DATE__ "\n");
+ __DATE__ "\n");
dev_info(&pdev->dev, "radio chip initialized\n");

return 0;
@@ -355,10 +359,6 @@ static void __devexit maestro_remove(str
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);
@@ -376,3 +376,7 @@ static void __exit maestro_radio_exit(vo

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");
-
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