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Commit 2710e6aa authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (10886): radio-maxiradio: convert to v4l2_device. 

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 087c6184
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Showing with 186 additions and 189 deletions
drivers/media/radio/radio-maxiradio.c
View file @ 2710e6aa
...@@ -37,38 +37,33 @@ ...@@ -37,38 +37,33 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/ioport.h> #include <linux/ioport.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/videodev2.h> #include <linux/videodev2.h>
#include <media/v4l2-common.h> #include <linux/version.h> /* for KERNEL_VERSION MACRO */
#include <linux/io.h>
#include <linux/uaccess.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h> #include <media/v4l2-ioctl.h>
MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net");
MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio.");
MODULE_LICENSE("GPL");
static int radio_nr = -1;
module_param(radio_nr, int, 0);
static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "activates debug info");
#define DRIVER_VERSION "0.77" #define DRIVER_VERSION "0.77"
#include <linux/version.h> /* for KERNEL_VERSION MACRO */ #define RADIO_VERSION KERNEL_VERSION(0, 7, 7)
#define RADIO_VERSION KERNEL_VERSION(0,7,7)
#define dprintk(dev, num, fmt, arg...) \
static struct video_device maxiradio_radio; v4l2_dbg(num, debug, &dev->v4l2_dev, fmt, ## arg)
#define dprintk(num, fmt, arg...) \
do { \
if (maxiradio_radio.debug >= num) \
printk(KERN_DEBUG "%s: " fmt, \
maxiradio_radio.name, ## arg); } while (0)
static struct v4l2_queryctrl radio_qctrl[] = {
{
.id = V4L2_CID_AUDIO_MUTE,
.name = "Mute",
.minimum = 0,
.maximum = 1,
.default_value = 1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
}
};
#ifndef PCI_VENDOR_ID_GUILLEMOT #ifndef PCI_VENDOR_ID_GUILLEMOT
#define PCI_VENDOR_ID_GUILLEMOT 0x5046 #define PCI_VENDOR_ID_GUILLEMOT 0x5046
...@@ -80,90 +75,70 @@ static struct v4l2_queryctrl radio_qctrl[] = { ...@@ -80,90 +75,70 @@ static struct v4l2_queryctrl radio_qctrl[] = {
/* TEA5757 pin mappings */ /* TEA5757 pin mappings */
static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16 ; static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16;
static int radio_nr = -1;
module_param(radio_nr, int, 0);
static unsigned long in_use; #define FREQ_LO (50 * 16000)
#define FREQ_HI (150 * 16000)
#define FREQ_LO 50*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 */
/* (x==fmhz*16*1000) -> bits */ /* (x==fmhz*16*1000) -> bits */
#define FREQ2BITS(x) ((( (unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1)) \ #define FREQ2BITS(x) \
/(FREQ_STEP<<2))<<2) ((((unsigned int)(x) + FREQ_IF + (FREQ_STEP << 1)) / (FREQ_STEP << 2)) << 2)
#define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF) #define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF)
static int maxiradio_exclusive_open(struct file *file) struct maxiradio
{
return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
}
static int maxiradio_exclusive_release(struct file *file)
{ {
clear_bit(0, &in_use); struct v4l2_device v4l2_dev;
return 0; struct video_device vdev;
} struct pci_dev *pdev;
static const struct v4l2_file_operations maxiradio_fops = { u16 io; /* base of radio io */
.owner = THIS_MODULE, u16 muted; /* VIDEO_AUDIO_MUTE */
.open = maxiradio_exclusive_open, u16 stereo; /* VIDEO_TUNER_STEREO_ON */
.release = maxiradio_exclusive_release, u16 tuned; /* signal strength (0 or 0xffff) */
.ioctl = video_ioctl2,
};
static struct radio_device
{
__u16 io, /* base of radio io */
muted, /* VIDEO_AUDIO_MUTE */
stereo, /* VIDEO_TUNER_STEREO_ON */
tuned; /* signal strength (0 or 0xffff) */
unsigned long freq; unsigned long freq;
struct mutex lock; struct mutex lock;
} radio_unit = {
.muted =1,
.freq = FREQ_LO,
}; };
static void outbit(unsigned long bit, __u16 io) static inline struct maxiradio *to_maxiradio(struct v4l2_device *v4l2_dev)
{ {
if (bit != 0) return container_of(v4l2_dev, struct maxiradio, v4l2_dev);
{ }
outb( power|wren|data ,io); udelay(4);
outb( power|wren|data|clk ,io); udelay(4); static void outbit(unsigned long bit, u16 io)
outb( power|wren|data ,io); udelay(4); {
} int val = power | wren | (bit ? data : 0);
else
{ outb(val, io);
outb( power|wren ,io); udelay(4); udelay(4);
outb( power|wren|clk ,io); udelay(4); outb(val | clk, io);
outb( power|wren ,io); udelay(4); udelay(4);
} outb(val, io);
udelay(4);
} }
static void turn_power(__u16 io, int p) static void turn_power(struct maxiradio *dev, int p)
{ {
if (p != 0) { if (p != 0) {
dprintk(1, "Radio powered on\n"); dprintk(dev, 1, "Radio powered on\n");
outb(power, io); outb(power, dev->io);
} else { } else {
dprintk(1, "Radio powered off\n"); dprintk(dev, 1, "Radio powered off\n");
outb(0,io); outb(0, dev->io);
} }
} }
static void set_freq(__u16 io, __u32 freq) static void set_freq(struct maxiradio *dev, u32 freq)
{ {
unsigned long int si; unsigned long int si;
int bl; int bl;
int io = dev->io;
int val = FREQ2BITS(freq); int val = FREQ2BITS(freq);
/* TEA5757 shift register bits (see pdf) */ /* TEA5757 shift register bits (see pdf) */
...@@ -188,14 +163,14 @@ static void set_freq(__u16 io, __u32 freq) ...@@ -188,14 +163,14 @@ static void set_freq(__u16 io, __u32 freq)
si >>= 1; si >>= 1;
} }
dprintk(1, "Radio freq set to %d.%02d MHz\n", dprintk(dev, 1, "Radio freq set to %d.%02d MHz\n",
freq / 16000, freq / 16000,
freq % 16000 * 100 / 16000); freq % 16000 * 100 / 16000);
turn_power(io, 1); turn_power(dev, 1);
} }
static int get_stereo(__u16 io) static int get_stereo(u16 io)
{ {
outb(power,io); outb(power,io);
udelay(4); udelay(4);
...@@ -203,7 +178,7 @@ static int get_stereo(__u16 io) ...@@ -203,7 +178,7 @@ static int get_stereo(__u16 io)
return !(inb(io) & mo_st); return !(inb(io) & mo_st);
} }
static int get_tune(__u16 io) static int get_tune(u16 io)
{ {
outb(power+clk,io); outb(power+clk,io);
udelay(4); udelay(4);
...@@ -212,95 +187,84 @@ static int get_tune(__u16 io) ...@@ -212,95 +187,84 @@ static int get_tune(__u16 io)
} }
static int vidioc_querycap (struct file *file, void *priv, static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *v) struct v4l2_capability *v)
{ {
strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver)); struct maxiradio *dev = video_drvdata(file);
strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof (v->card));
sprintf(v->bus_info,"ISA");
v->version = RADIO_VERSION;
v->capabilities = V4L2_CAP_TUNER;
strlcpy(v->driver, "radio-maxiradio", sizeof(v->driver));
strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof(v->card));
snprintf(v->bus_info, sizeof(v->bus_info), "PCI:%s", pci_name(dev->pdev));
v->version = RADIO_VERSION;
v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
return 0; return 0;
} }
static int vidioc_g_tuner (struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *v) struct v4l2_tuner *v)
{ {
struct radio_device *card = video_drvdata(file); struct maxiradio *dev = video_drvdata(file);
if (v->index > 0) if (v->index > 0)
return -EINVAL; return -EINVAL;
memset(v,0,sizeof(*v)); mutex_lock(&dev->lock);
strcpy(v->name, "FM"); strlcpy(v->name, "FM", sizeof(v->name));
v->type = V4L2_TUNER_RADIO; v->type = V4L2_TUNER_RADIO;
v->rangelow = FREQ_LO;
v->rangelow=FREQ_LO; v->rangehigh = FREQ_HI;
v->rangehigh=FREQ_HI; v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO; v->capability = V4L2_TUNER_CAP_LOW;
v->capability=V4L2_TUNER_CAP_LOW; if (get_stereo(dev->io))
if(get_stereo(card->io))
v->audmode = V4L2_TUNER_MODE_STEREO; v->audmode = V4L2_TUNER_MODE_STEREO;
else else
v->audmode = V4L2_TUNER_MODE_MONO; v->audmode = V4L2_TUNER_MODE_MONO;
v->signal=0xffff*get_tune(card->io); v->signal = 0xffff * get_tune(dev->io);
mutex_unlock(&dev->lock);
return 0; return 0;
} }
static int vidioc_s_tuner (struct file *file, void *priv, static int vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *v) struct v4l2_tuner *v)
{ {
if (v->index > 0) return v->index ? -EINVAL : 0;
return -EINVAL;
return 0;
}
static int vidioc_g_audio (struct file *file, void *priv,
struct v4l2_audio *a)
{
if (a->index > 1)
return -EINVAL;
strcpy(a->name, "FM");
a->capability = V4L2_AUDCAP_STEREO;
return 0;
} }
static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i) static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
{ {
*i = 0; *i = 0;
return 0; return 0;
} }
static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
{ {
if (i != 0) return i ? -EINVAL : 0;
return -EINVAL; }
static int vidioc_g_audio(struct file *file, void *priv,
struct v4l2_audio *a)
{
a->index = 0;
strlcpy(a->name, "Radio", sizeof(a->name));
a->capability = V4L2_AUDCAP_STEREO;
return 0; return 0;
} }
static int vidioc_s_audio (struct file *file, void *priv, static int vidioc_s_audio(struct file *file, void *priv,
struct v4l2_audio *a) struct v4l2_audio *a)
{ {
if (a->index != 0) return a->index ? -EINVAL : 0;
return -EINVAL;
return 0;
} }
static int vidioc_s_frequency (struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f) struct v4l2_frequency *f)
{ {
struct radio_device *card = video_drvdata(file); struct maxiradio *dev = video_drvdata(file);
if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) { if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) {
dprintk(1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n", dprintk(dev, 1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n",
f->frequency / 16000, f->frequency / 16000,
f->frequency % 16000 * 100 / 16000, f->frequency % 16000 * 100 / 16000,
FREQ_LO / 16000, FREQ_HI / 16000); FREQ_LO / 16000, FREQ_HI / 16000);
...@@ -308,75 +272,91 @@ static int vidioc_s_frequency (struct file *file, void *priv, ...@@ -308,75 +272,91 @@ static int vidioc_s_frequency (struct file *file, void *priv,
return -EINVAL; return -EINVAL;
} }
card->freq = f->frequency; mutex_lock(&dev->lock);
set_freq(card->io, card->freq); dev->freq = f->frequency;
set_freq(dev, dev->freq);
msleep(125); msleep(125);
mutex_unlock(&dev->lock);
return 0; return 0;
} }
static int vidioc_g_frequency (struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f) struct v4l2_frequency *f)
{ {
struct radio_device *card = video_drvdata(file); struct maxiradio *dev = video_drvdata(file);
f->type = V4L2_TUNER_RADIO; f->type = V4L2_TUNER_RADIO;
f->frequency = card->freq; f->frequency = dev->freq;
dprintk(4, "radio freq is %d.%02d MHz", dprintk(dev, 4, "radio freq is %d.%02d MHz",
f->frequency / 16000, f->frequency / 16000,
f->frequency % 16000 * 100 / 16000); f->frequency % 16000 * 100 / 16000);
return 0; return 0;
} }
static int vidioc_queryctrl (struct file *file, void *priv, static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc) struct v4l2_queryctrl *qc)
{ {
int i; switch (qc->id) {
case V4L2_CID_AUDIO_MUTE:
for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
if (qc->id && qc->id == radio_qctrl[i].id) {
memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
return (0);
}
} }
return -EINVAL; return -EINVAL;
} }
static int vidioc_g_ctrl (struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl) struct v4l2_control *ctrl)
{ {
struct radio_device *card = video_drvdata(file); struct maxiradio *dev = video_drvdata(file);
switch (ctrl->id) { switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_MUTE:
ctrl->value=card->muted; ctrl->value = dev->muted;
return (0); return 0;
} }
return -EINVAL; return -EINVAL;
} }
static int vidioc_s_ctrl (struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl) struct v4l2_control *ctrl)
{ {
struct radio_device *card = video_drvdata(file); struct maxiradio *dev = video_drvdata(file);
switch (ctrl->id) { switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_MUTE:
card->muted = ctrl->value; mutex_lock(&dev->lock);
if(card->muted) dev->muted = ctrl->value;
turn_power(card->io, 0); if (dev->muted)
turn_power(dev, 0);
else else
set_freq(card->io, card->freq); set_freq(dev, dev->freq);
mutex_unlock(&dev->lock);
return 0; return 0;
} }
return -EINVAL; return -EINVAL;
} }
static int maxiradio_open(struct file *file)
{
return 0;
}
static int maxiradio_release(struct file *file)
{
return 0;
}
static const struct v4l2_file_operations maxiradio_fops = {
.owner = THIS_MODULE,
.open = maxiradio_open,
.release = maxiradio_release,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = { static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = {
.vidioc_querycap = vidioc_querycap, .vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = vidioc_g_tuner, .vidioc_g_tuner = vidioc_g_tuner,
...@@ -392,60 +372,84 @@ static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = { ...@@ -392,60 +372,84 @@ static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = {
.vidioc_s_ctrl = vidioc_s_ctrl, .vidioc_s_ctrl = vidioc_s_ctrl,
}; };
static struct video_device maxiradio_radio = {
.name = "Maxi Radio FM2000 radio",
.fops = &maxiradio_fops,
.ioctl_ops = &maxiradio_ioctl_ops,
.release = video_device_release_empty,
};
static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{ {
if(!request_region(pci_resource_start(pdev, 0), struct maxiradio *dev;
struct v4l2_device *v4l2_dev;
int retval = -ENOMEM;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
dev_err(&pdev->dev, "not enough memory\n");
return -ENOMEM;
}
v4l2_dev = &dev->v4l2_dev;
mutex_init(&dev->lock);
dev->pdev = pdev;
dev->muted = 1;
dev->freq = FREQ_LO;
strlcpy(v4l2_dev->name, "maxiradio", sizeof(v4l2_dev->name));
retval = v4l2_device_register(&pdev->dev, v4l2_dev);
if (retval < 0) {
v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
goto errfr;
}
if (!request_region(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) { pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) {
printk(KERN_ERR "radio-maxiradio: can't reserve I/O ports\n"); v4l2_err(v4l2_dev, "can't reserve I/O ports\n");
goto err_out; goto err_out;
} }
if (pci_enable_device(pdev)) if (pci_enable_device(pdev))
goto err_out_free_region; goto err_out_free_region;
radio_unit.io = pci_resource_start(pdev, 0); dev->io = pci_resource_start(pdev, 0);
mutex_init(&radio_unit.lock); strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
video_set_drvdata(&maxiradio_radio, &radio_unit); dev->vdev.v4l2_dev = v4l2_dev;
dev->vdev.fops = &maxiradio_fops;
dev->vdev.ioctl_ops = &maxiradio_ioctl_ops;
dev->vdev.release = video_device_release_empty;
video_set_drvdata(&dev->vdev, dev);
if (video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr) < 0) { if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
printk("radio-maxiradio: can't register device!"); v4l2_err(v4l2_dev, "can't register device!");
goto err_out_free_region; goto err_out_free_region;
} }
printk(KERN_INFO "radio-maxiradio: version " v4l2_info(v4l2_dev, "version " DRIVER_VERSION
DRIVER_VERSION " time " __TIME__ " " __DATE__ "\n");
" time "
__TIME__ " "
__DATE__
"\n");
printk(KERN_INFO "radio-maxiradio: found Guillemot MAXI Radio device (io = 0x%x)\n", v4l2_info(v4l2_dev, "found Guillemot MAXI Radio device (io = 0x%x)\n",
radio_unit.io); dev->io);
return 0; return 0;
err_out_free_region: err_out_free_region:
release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
err_out: err_out:
v4l2_device_unregister(v4l2_dev);
errfr:
kfree(dev);
return -ENODEV; return -ENODEV;
} }
static void __devexit maxiradio_remove_one(struct pci_dev *pdev) static void __devexit maxiradio_remove_one(struct pci_dev *pdev)
{ {
video_unregister_device(&maxiradio_radio); struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
struct maxiradio *dev = to_maxiradio(v4l2_dev);
video_unregister_device(&dev->vdev);
v4l2_device_unregister(&dev->v4l2_dev);
release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
} }
static struct pci_device_id maxiradio_pci_tbl[] = { static struct pci_device_id maxiradio_pci_tbl[] = {
{ PCI_VENDOR_ID_GUILLEMOT, PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO, { PCI_VENDOR_ID_GUILLEMOT, PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO,
PCI_ANY_ID, PCI_ANY_ID, }, PCI_ANY_ID, PCI_ANY_ID, },
{ 0,} { 0 }
}; };
MODULE_DEVICE_TABLE(pci, maxiradio_pci_tbl); MODULE_DEVICE_TABLE(pci, maxiradio_pci_tbl);
...@@ -469,10 +473,3 @@ static void __exit maxiradio_radio_exit(void) ...@@ -469,10 +473,3 @@ static void __exit maxiradio_radio_exit(void)
module_init(maxiradio_radio_init); module_init(maxiradio_radio_init);
module_exit(maxiradio_radio_exit); module_exit(maxiradio_radio_exit);
MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net");
MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio.");
MODULE_LICENSE("GPL");
module_param_named(debug,maxiradio_radio.debug, int, 0644);
MODULE_PARM_DESC(debug,"activates debug info");
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