Commit 922c78e9 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

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



Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 2710e6aa

drivers/media/radio/radio-rtrack2.c

+129 −149
Original line number Diff line number Diff line
@@ -13,34 +13,17 @@ 
#include <linux/init.h>		/* Initdata			*/

#include <linux/ioport.h>	/* request_region		*/

#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 <media/v4l2-common.h>

#include <media/v4l2-ioctl.h>

#include <linux/spinlock.h>



#include <linux/mutex.h>

#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[] = {

	{

		.id            = V4L2_CID_AUDIO_MUTE,

		.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,

	}

};

MODULE_AUTHOR("Ben Pfaff");

MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");

MODULE_LICENSE("GPL");



#ifndef CONFIG_RADIO_RTRACK2_PORT

#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 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;

	int port;

	struct v4l2_device v4l2_dev;

	struct video_device vdev;

	int io;

	unsigned long curfreq;

	int muted;

	struct mutex lock;

};



static struct rtrack2 rtrack2_card;





/* local things */



static void rt_mute(struct rt_device *dev)

static void rt_mute(struct rtrack2 *dev)

{

	if (dev->muted)

		return;

	spin_lock(&lock);

	outb(1, io);

	spin_unlock(&lock);

	mutex_lock(&dev->lock);

	outb(1, dev->io);

	mutex_unlock(&dev->lock);

	mutex_unlock(&dev->lock);

	dev->muted = 1;

}



static void rt_unmute(struct rt_device *dev)

static void rt_unmute(struct rtrack2 *dev)

{

	if(dev->muted == 0)

		return;

	spin_lock(&lock);

	outb(0, io);

	spin_unlock(&lock);

	mutex_lock(&dev->lock);

	outb(0, dev->io);

	mutex_unlock(&dev->lock);

	dev->muted = 0;

}



static void zero(void)

static void zero(struct rtrack2 *dev)

{

	outb_p(1, io);

	outb_p(3, io);

	outb_p(1, io);

	outb_p(1, dev->io);

	outb_p(3, dev->io);

	outb_p(1, dev->io);

}



static void one(void)

static void one(struct rtrack2 *dev)

{

	outb_p(5, io);

	outb_p(7, io);

	outb_p(5, io);

	outb_p(5, dev->io);

	outb_p(7, dev->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;



	mutex_lock(&dev->lock);

	dev->curfreq = freq;

	freq = freq / 200 + 856;



	spin_lock(&lock);



	outb_p(0xc8, io);

	outb_p(0xc9, io);

	outb_p(0xc9, io);

	outb_p(0xc8, dev->io);

	outb_p(0xc9, dev->io);

	outb_p(0xc9, dev->io);



	for (i = 0; i < 10; i++)

		zero ();

		zero(dev);



	for (i = 14; i >= 0; i--)

		if (freq & (1 << i))

			one ();

			one(dev);

		else

			zero ();

			zero(dev);



	outb_p(0xc8, io);

	outb_p(0xc8, dev->io);

	if (!dev->muted)

		outb_p(0, io);

		outb_p(0, dev->io);



	spin_unlock(&lock);

	mutex_unlock(&dev->lock);

	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->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->capabilities = V4L2_CAP_TUNER;

	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;

	return 0;

}



static int vidioc_s_tuner(struct file *file, void *priv,

				struct v4l2_tuner *v)

{

	if (v->index > 0)

		return -EINVAL;



	return 0;

	return v->index ? -EINVAL : 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	*/

		return 0;

	return 1;		/* signal present		*/

	int sig = 1;



	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,

				struct v4l2_tuner *v)

{

	struct rt_device *rt = video_drvdata(file);

	struct rtrack2 *rt = video_drvdata(file);



	if (v->index > 0)

		return -EINVAL;



	strcpy(v->name, "FM");

	strlcpy(v->name, "FM", sizeof(v->name));

	v->type = V4L2_TUNER_RADIO;

	v->rangelow = (88*16000);

	v->rangehigh = (108*16000);

	v->rangelow = 88 * 16000;

	v->rangehigh = 108 * 16000;

	v->rxsubchans = V4L2_TUNER_SUB_MONO;

	v->capability = V4L2_TUNER_CAP_LOW;

	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,

				struct v4l2_frequency *f)

{

	struct rt_device *rt = video_drvdata(file);

	struct rtrack2 *rt = video_drvdata(file);



	rt->curfreq = f->frequency;

	rt_setfreq(rt, rt->curfreq);

	rt_setfreq(rt, f->frequency);

	return 0;

}



static int vidioc_g_frequency(struct file *file, void *priv,

				struct v4l2_frequency *f)

{

	struct rt_device *rt = video_drvdata(file);

	struct rtrack2 *rt = video_drvdata(file);



	f->type = V4L2_TUNER_RADIO;

	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,

				struct v4l2_queryctrl *qc)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {

		if (qc->id && qc->id == radio_qctrl[i].id) {

			memcpy(qc, &(radio_qctrl[i]),

						sizeof(*qc));

			return 0;

		}

	switch (qc->id) {

	case V4L2_CID_AUDIO_MUTE:

		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);

	case V4L2_CID_AUDIO_VOLUME:

		return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);

	}

	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,

				struct v4l2_control *ctrl)

{

	struct rt_device *rt = video_drvdata(file);

	struct rtrack2 *rt = video_drvdata(file);



	switch (ctrl->id) {

	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,

				struct v4l2_control *ctrl)

{

	struct rt_device *rt = video_drvdata(file);

	struct rtrack2 *rt = video_drvdata(file);



	switch (ctrl->id) {

	case V4L2_CID_AUDIO_MUTE:
@@ -246,17 +236,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv, 
	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)

{

	*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)

{

	if (i != 0)

		return -EINVAL;

	return 0;

	return i ? -EINVAL : 0;

}



static int vidioc_s_audio(struct file *file, void *priv,

static int vidioc_g_audio(struct file *file, void *priv,

				struct v4l2_audio *a)

{

	if (a->index != 0)

		return -EINVAL;

	a->index = 0;

	strlcpy(a->name, "Radio", sizeof(a->name));

	a->capability = V4L2_AUDCAP_STEREO;

	return 0;

}



static struct rt_device rtrack2_unit;

static int vidioc_s_audio(struct file *file, void *priv,

				struct v4l2_audio *a)

{

	return a->index ? -EINVAL : 0;

}



static int rtrack2_exclusive_open(struct file *file)

static int rtrack2_open(struct file *file)

{

	return test_and_set_bit(0, &rtrack2_unit.in_use) ? -EBUSY : 0;

	return 0;

}



static int rtrack2_exclusive_release(struct file *file)

static int rtrack2_release(struct file *file)

{

	clear_bit(0, &rtrack2_unit.in_use);

	return 0;

}



static const struct v4l2_file_operations rtrack2_fops = {

	.owner		= THIS_MODULE,

	.open           = rtrack2_exclusive_open,

	.release        = rtrack2_exclusive_release,

	.open           = rtrack2_open,

	.release        = rtrack2_release,

	.ioctl		= video_ioctl2,

};
@@ -313,62 +294,61 @@ static const struct v4l2_ioctl_ops rtrack2_ioctl_ops = { 
	.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)

{

	if(io==-1)

	{

		printk(KERN_ERR "You must set an I/O address with io=0x20c or io=0x30c\n");

	struct rtrack2 *dev = &rtrack2_card;

	struct v4l2_device *v4l2_dev = &dev->v4l2_dev;

	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;

	}

	if (!request_region(io, 4, "rtrack2"))

	{

		printk(KERN_ERR "rtrack2: port 0x%x already in use\n", io);

	if (!request_region(dev->io, 4, "rtrack2")) {

		v4l2_err(v4l2_dev, "port 0x%x already in use\n", dev->io);

		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);

	if (video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr) < 0) {

		release_region(io, 4);

	strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));

	dev->vdev.v4l2_dev = v4l2_dev;

	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;

	}



	printk(KERN_INFO "AIMSlab Radiotrack II card driver.\n");

	v4l2_info(v4l2_dev, "AIMSlab Radiotrack II card driver.\n");



	/* mute card - prevents noisy bootups */

	outb(1, io);

	rtrack2_unit.muted = 1;

	outb(1, dev->io);

	dev->muted = 1;



	return 0;

}



MODULE_AUTHOR("Ben Pfaff");

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)

static void __exit rtrack2_exit(void)

{

	video_unregister_device(&rtrack2_radio);

	release_region(io,4);

	struct rtrack2 *dev = &rtrack2_card;



	video_unregister_device(&dev->vdev);

	v4l2_device_unregister(&dev->v4l2_dev);

	release_region(dev->io, 4);

}



module_init(rtrack2_init);

module_exit(rtrack2_cleanup_module);



/*

  Local variables:

  compile-command: "mmake"

  End:

*/
 
module_exit(rtrack2_exit);