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V4L/DVB (10887): radio-rtrack2: convert to v4l2_device.

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2009-03-06 13:52:06 -03:00 committed by Mauro Carvalho Chehab
parent 2710e6aa3f
commit 922c78e9f6
1 changed files with 131 additions and 151 deletions
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278
drivers/media/radio/radio-rtrack2.c
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@ -13,34 +13,17 @@
#include <linux/init.h> /* Initdata */ #include <linux/init.h> /* Initdata */
#include <linux/ioport.h> /* request_region */ #include <linux/ioport.h> /* request_region */
#include <linux/delay.h> /* udelay */ #include <linux/delay.h> /* udelay */
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev2.h> /* kernel radio structs */ #include <linux/videodev2.h> /* kernel radio structs */
#include <media/v4l2-common.h> #include <linux/mutex.h>
#include <media/v4l2-ioctl.h>
#include <linux/spinlock.h>
#include <linux/version.h> /* for KERNEL_VERSION MACRO */ #include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,0,2) #include <linux/io.h> /* outb, outb_p */
#include <linux/uaccess.h> /* copy to/from user */
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
static struct v4l2_queryctrl radio_qctrl[] = { MODULE_AUTHOR("Ben Pfaff");
{ MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
.id = V4L2_CID_AUDIO_MUTE, MODULE_LICENSE("GPL");
.name = "Mute",
.minimum = 0,
.maximum = 1,
.default_value = 1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
},{
.id = V4L2_CID_AUDIO_VOLUME,
.name = "Volume",
.minimum = 0,
.maximum = 65535,
.step = 65535,
.default_value = 0xff,
.type = V4L2_CTRL_TYPE_INTEGER,
}
};
#ifndef CONFIG_RADIO_RTRACK2_PORT #ifndef CONFIG_RADIO_RTRACK2_PORT
#define CONFIG_RADIO_RTRACK2_PORT -1 #define CONFIG_RADIO_RTRACK2_PORT -1
@ -48,79 +31,89 @@ static struct v4l2_queryctrl radio_qctrl[] = {
static int io = CONFIG_RADIO_RTRACK2_PORT; static int io = CONFIG_RADIO_RTRACK2_PORT;
static int radio_nr = -1; static int radio_nr = -1;
static spinlock_t lock;
struct rt_device module_param(io, int, 0);
MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
module_param(radio_nr, int, 0);
#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
struct rtrack2
{ {
unsigned long in_use; struct v4l2_device v4l2_dev;
int port; struct video_device vdev;
int io;
unsigned long curfreq; unsigned long curfreq;
int muted; int muted;
struct mutex lock;
}; };
static struct rtrack2 rtrack2_card;
/* local things */ /* local things */
static void rt_mute(struct rt_device *dev) static void rt_mute(struct rtrack2 *dev)
{ {
if (dev->muted) if (dev->muted)
return; return;
spin_lock(&lock); mutex_lock(&dev->lock);
outb(1, io); outb(1, dev->io);
spin_unlock(&lock); mutex_unlock(&dev->lock);
mutex_unlock(&dev->lock);
dev->muted = 1; dev->muted = 1;
} }
static void rt_unmute(struct rt_device *dev) static void rt_unmute(struct rtrack2 *dev)
{ {
if(dev->muted == 0) if(dev->muted == 0)
return; return;
spin_lock(&lock); mutex_lock(&dev->lock);
outb(0, io); outb(0, dev->io);
spin_unlock(&lock); mutex_unlock(&dev->lock);
dev->muted = 0; dev->muted = 0;
} }
static void zero(void) static void zero(struct rtrack2 *dev)
{ {
outb_p(1, io); outb_p(1, dev->io);
outb_p(3, io); outb_p(3, dev->io);
outb_p(1, io); outb_p(1, dev->io);
} }
static void one(void) static void one(struct rtrack2 *dev)
{ {
outb_p(5, io); outb_p(5, dev->io);
outb_p(7, io); outb_p(7, dev->io);
outb_p(5, io); outb_p(5, dev->io);
} }
static int rt_setfreq(struct rt_device *dev, unsigned long freq) static int rt_setfreq(struct rtrack2 *dev, unsigned long freq)
{ {
int i; int i;
mutex_lock(&dev->lock);
dev->curfreq = freq;
freq = freq / 200 + 856; freq = freq / 200 + 856;
spin_lock(&lock); outb_p(0xc8, dev->io);
outb_p(0xc9, dev->io);
outb_p(0xc8, io); outb_p(0xc9, dev->io);
outb_p(0xc9, io);
outb_p(0xc9, io);
for (i = 0; i < 10; i++) for (i = 0; i < 10; i++)
zero (); zero(dev);
for (i = 14; i >= 0; i--) for (i = 14; i >= 0; i--)
if (freq & (1 << i)) if (freq & (1 << i))
one (); one(dev);
else else
zero (); zero(dev);
outb_p(0xc8, io); outb_p(0xc8, dev->io);
if (!dev->muted) if (!dev->muted)
outb_p(0, io); outb_p(0, dev->io);
spin_unlock(&lock); mutex_unlock(&dev->lock);
return 0; return 0;
} }
@ -129,40 +122,41 @@ static int vidioc_querycap(struct file *file, void *priv,
{ {
strlcpy(v->driver, "radio-rtrack2", sizeof(v->driver)); strlcpy(v->driver, "radio-rtrack2", sizeof(v->driver));
strlcpy(v->card, "RadioTrack II", sizeof(v->card)); strlcpy(v->card, "RadioTrack II", sizeof(v->card));
sprintf(v->bus_info, "ISA"); strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
v->version = RADIO_VERSION; v->version = RADIO_VERSION;
v->capabilities = V4L2_CAP_TUNER; v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
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 rt_getsigstr(struct rt_device *dev) static int rt_getsigstr(struct rtrack2 *dev)
{ {
if (inb(io) & 2) /* bit set = no signal present */ int sig = 1;
return 0;
return 1; /* signal present */ mutex_lock(&dev->lock);
if (inb(dev->io) & 2) /* bit set = no signal present */
sig = 0;
mutex_unlock(&dev->lock);
return sig;
} }
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 rt_device *rt = video_drvdata(file); struct rtrack2 *rt = video_drvdata(file);
if (v->index > 0) if (v->index > 0)
return -EINVAL; return -EINVAL;
strcpy(v->name, "FM"); strlcpy(v->name, "FM", sizeof(v->name));
v->type = V4L2_TUNER_RADIO; v->type = V4L2_TUNER_RADIO;
v->rangelow = (88*16000); v->rangelow = 88 * 16000;
v->rangehigh = (108*16000); v->rangehigh = 108 * 16000;
v->rxsubchans = V4L2_TUNER_SUB_MONO; v->rxsubchans = V4L2_TUNER_SUB_MONO;
v->capability = V4L2_TUNER_CAP_LOW; v->capability = V4L2_TUNER_CAP_LOW;
v->audmode = V4L2_TUNER_MODE_MONO; v->audmode = V4L2_TUNER_MODE_MONO;
@ -173,17 +167,16 @@ static int vidioc_g_tuner(struct file *file, void *priv,
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 rt_device *rt = video_drvdata(file); struct rtrack2 *rt = video_drvdata(file);
rt->curfreq = f->frequency; rt_setfreq(rt, f->frequency);
rt_setfreq(rt, rt->curfreq);
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 rt_device *rt = video_drvdata(file); struct rtrack2 *rt = video_drvdata(file);
f->type = V4L2_TUNER_RADIO; f->type = V4L2_TUNER_RADIO;
f->frequency = rt->curfreq; f->frequency = rt->curfreq;
@ -193,14 +186,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
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) { case V4L2_CID_AUDIO_VOLUME:
memcpy(qc, &(radio_qctrl[i]), return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);
sizeof(*qc));
return 0;
}
} }
return -EINVAL; return -EINVAL;
} }
@ -208,7 +198,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
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 rt_device *rt = video_drvdata(file); struct rtrack2 *rt = video_drvdata(file);
switch (ctrl->id) { switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_MUTE:
@ -227,7 +217,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
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 rt_device *rt = video_drvdata(file); struct rtrack2 *rt = video_drvdata(file);
switch (ctrl->id) { switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_MUTE:
@ -246,17 +236,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
return -EINVAL; return -EINVAL;
} }
static int vidioc_g_audio(struct file *file, void *priv,
struct v4l2_audio *a)
{
if (a->index > 1)
return -EINVAL;
strcpy(a->name, "Radio");
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;
@ -265,36 +244,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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; }
static int rtrack2_open(struct file *file)
{
return 0; return 0;
} }
static struct rt_device rtrack2_unit; static int rtrack2_release(struct file *file)
static int rtrack2_exclusive_open(struct file *file)
{ {
return test_and_set_bit(0, &rtrack2_unit.in_use) ? -EBUSY : 0;
}
static int rtrack2_exclusive_release(struct file *file)
{
clear_bit(0, &rtrack2_unit.in_use);
return 0; return 0;
} }
static const struct v4l2_file_operations rtrack2_fops = { static const struct v4l2_file_operations rtrack2_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.open = rtrack2_exclusive_open, .open = rtrack2_open,
.release = rtrack2_exclusive_release, .release = rtrack2_release,
.ioctl = video_ioctl2, .ioctl = video_ioctl2,
}; };
@ -313,62 +294,61 @@ static const struct v4l2_ioctl_ops rtrack2_ioctl_ops = {
.vidioc_s_input = vidioc_s_input, .vidioc_s_input = vidioc_s_input,
}; };
static struct video_device rtrack2_radio = {
.name = "RadioTrack II radio",
.fops = &rtrack2_fops,
.ioctl_ops = &rtrack2_ioctl_ops,
.release = video_device_release_empty,
};
static int __init rtrack2_init(void) static int __init rtrack2_init(void)
{ {
if(io==-1) struct rtrack2 *dev = &rtrack2_card;
{ struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
printk(KERN_ERR "You must set an I/O address with io=0x20c or io=0x30c\n"); int res;
strlcpy(v4l2_dev->name, "rtrack2", sizeof(v4l2_dev->name));
dev->io = io;
if (dev->io == -1) {
v4l2_err(v4l2_dev, "You must set an I/O address with io=0x20c or io=0x30c\n");
return -EINVAL; return -EINVAL;
} }
if (!request_region(io, 4, "rtrack2")) if (!request_region(dev->io, 4, "rtrack2")) {
{ v4l2_err(v4l2_dev, "port 0x%x already in use\n", dev->io);
printk(KERN_ERR "rtrack2: port 0x%x already in use\n", io);
return -EBUSY; return -EBUSY;
} }
video_set_drvdata(&rtrack2_radio, &rtrack2_unit); res = v4l2_device_register(NULL, v4l2_dev);
if (res < 0) {
release_region(dev->io, 4);
v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
return res;
}
spin_lock_init(&lock); strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
if (video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr) < 0) { dev->vdev.v4l2_dev = v4l2_dev;
release_region(io, 4); dev->vdev.fops = &rtrack2_fops;
dev->vdev.ioctl_ops = &rtrack2_ioctl_ops;
dev->vdev.release = video_device_release_empty;
video_set_drvdata(&dev->vdev, dev);
mutex_init(&dev->lock);
if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
v4l2_device_unregister(v4l2_dev);
release_region(dev->io, 4);
return -EINVAL; return -EINVAL;
} }
printk(KERN_INFO "AIMSlab Radiotrack II card driver.\n"); v4l2_info(v4l2_dev, "AIMSlab Radiotrack II card driver.\n");
/* mute card - prevents noisy bootups */ /* mute card - prevents noisy bootups */
outb(1, io); outb(1, dev->io);
rtrack2_unit.muted = 1; dev->muted = 1;
return 0; return 0;
} }
MODULE_AUTHOR("Ben Pfaff"); static void __exit rtrack2_exit(void)
MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
MODULE_LICENSE("GPL");
module_param(io, int, 0);
MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
module_param(radio_nr, int, 0);
static void __exit rtrack2_cleanup_module(void)
{ {
video_unregister_device(&rtrack2_radio); struct rtrack2 *dev = &rtrack2_card;
release_region(io,4);
video_unregister_device(&dev->vdev);
v4l2_device_unregister(&dev->v4l2_dev);
release_region(dev->io, 4);
} }
module_init(rtrack2_init); module_init(rtrack2_init);
module_exit(rtrack2_cleanup_module); module_exit(rtrack2_exit);
/*
Local variables:
compile-command: "mmake"
End:
*/