V4L/DVB (10887): radio-rtrack2: convert to v4l2_device.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
2710e6aa3f
commit
922c78e9f6
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@ -13,34 +13,17 @@
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#include <linux/init.h> /* Initdata */
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#include <linux/ioport.h> /* request_region */
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#include <linux/delay.h> /* udelay */
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#include <asm/io.h> /* outb, outb_p */
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#include <asm/uaccess.h> /* copy to/from user */
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#include <linux/videodev2.h> /* kernel radio structs */
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <linux/spinlock.h>
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#include <linux/mutex.h>
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#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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#define RADIO_VERSION KERNEL_VERSION(0,0,2)
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#include <linux/io.h> /* outb, outb_p */
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#include <linux/uaccess.h> /* copy to/from user */
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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static struct v4l2_queryctrl radio_qctrl[] = {
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{
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.id = V4L2_CID_AUDIO_MUTE,
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.name = "Mute",
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.minimum = 0,
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.maximum = 1,
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.default_value = 1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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},{
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.id = V4L2_CID_AUDIO_VOLUME,
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.name = "Volume",
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.minimum = 0,
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.maximum = 65535,
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.step = 65535,
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.default_value = 0xff,
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.type = V4L2_CTRL_TYPE_INTEGER,
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}
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};
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MODULE_AUTHOR("Ben Pfaff");
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MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
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MODULE_LICENSE("GPL");
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#ifndef CONFIG_RADIO_RTRACK2_PORT
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#define CONFIG_RADIO_RTRACK2_PORT -1
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@ -48,79 +31,89 @@ static struct v4l2_queryctrl radio_qctrl[] = {
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static int io = CONFIG_RADIO_RTRACK2_PORT;
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static int radio_nr = -1;
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static spinlock_t lock;
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struct rt_device
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module_param(io, int, 0);
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MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
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module_param(radio_nr, int, 0);
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#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
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struct rtrack2
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{
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unsigned long in_use;
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int port;
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struct v4l2_device v4l2_dev;
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struct video_device vdev;
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int io;
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unsigned long curfreq;
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int muted;
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struct mutex lock;
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};
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static struct rtrack2 rtrack2_card;
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/* local things */
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static void rt_mute(struct rt_device *dev)
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static void rt_mute(struct rtrack2 *dev)
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{
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if (dev->muted)
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return;
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spin_lock(&lock);
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outb(1, io);
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spin_unlock(&lock);
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mutex_lock(&dev->lock);
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outb(1, dev->io);
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mutex_unlock(&dev->lock);
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mutex_unlock(&dev->lock);
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dev->muted = 1;
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}
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static void rt_unmute(struct rt_device *dev)
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static void rt_unmute(struct rtrack2 *dev)
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{
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if(dev->muted == 0)
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return;
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spin_lock(&lock);
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outb(0, io);
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spin_unlock(&lock);
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mutex_lock(&dev->lock);
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outb(0, dev->io);
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mutex_unlock(&dev->lock);
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dev->muted = 0;
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}
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static void zero(void)
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static void zero(struct rtrack2 *dev)
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{
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outb_p(1, io);
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outb_p(3, io);
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outb_p(1, io);
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outb_p(1, dev->io);
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outb_p(3, dev->io);
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outb_p(1, dev->io);
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}
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static void one(void)
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static void one(struct rtrack2 *dev)
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{
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outb_p(5, io);
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outb_p(7, io);
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outb_p(5, io);
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outb_p(5, dev->io);
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outb_p(7, dev->io);
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outb_p(5, dev->io);
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}
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static int rt_setfreq(struct rt_device *dev, unsigned long freq)
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static int rt_setfreq(struct rtrack2 *dev, unsigned long freq)
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{
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int i;
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mutex_lock(&dev->lock);
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dev->curfreq = freq;
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freq = freq / 200 + 856;
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spin_lock(&lock);
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outb_p(0xc8, io);
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outb_p(0xc9, io);
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outb_p(0xc9, io);
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outb_p(0xc8, dev->io);
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outb_p(0xc9, dev->io);
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outb_p(0xc9, dev->io);
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for (i = 0; i < 10; i++)
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zero ();
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zero(dev);
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for (i = 14; i >= 0; i--)
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if (freq & (1 << i))
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one ();
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one(dev);
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else
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zero ();
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zero(dev);
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outb_p(0xc8, io);
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outb_p(0xc8, dev->io);
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if (!dev->muted)
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outb_p(0, io);
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outb_p(0, dev->io);
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spin_unlock(&lock);
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mutex_unlock(&dev->lock);
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return 0;
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}
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@ -129,40 +122,41 @@ static int vidioc_querycap(struct file *file, void *priv,
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{
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strlcpy(v->driver, "radio-rtrack2", sizeof(v->driver));
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strlcpy(v->card, "RadioTrack II", sizeof(v->card));
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sprintf(v->bus_info, "ISA");
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strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
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v->version = RADIO_VERSION;
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v->capabilities = V4L2_CAP_TUNER;
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v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
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return 0;
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}
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static int vidioc_s_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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if (v->index > 0)
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return -EINVAL;
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return 0;
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return v->index ? -EINVAL : 0;
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}
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static int rt_getsigstr(struct rt_device *dev)
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static int rt_getsigstr(struct rtrack2 *dev)
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{
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if (inb(io) & 2) /* bit set = no signal present */
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return 0;
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return 1; /* signal present */
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int sig = 1;
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mutex_lock(&dev->lock);
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if (inb(dev->io) & 2) /* bit set = no signal present */
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sig = 0;
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mutex_unlock(&dev->lock);
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return sig;
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}
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static int vidioc_g_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack2 *rt = video_drvdata(file);
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if (v->index > 0)
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return -EINVAL;
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strcpy(v->name, "FM");
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strlcpy(v->name, "FM", sizeof(v->name));
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v->type = V4L2_TUNER_RADIO;
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v->rangelow = (88*16000);
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v->rangehigh = (108*16000);
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v->rangelow = 88 * 16000;
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v->rangehigh = 108 * 16000;
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v->rxsubchans = V4L2_TUNER_SUB_MONO;
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v->capability = V4L2_TUNER_CAP_LOW;
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v->audmode = V4L2_TUNER_MODE_MONO;
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@ -173,17 +167,16 @@ static int vidioc_g_tuner(struct file *file, void *priv,
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static int vidioc_s_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack2 *rt = video_drvdata(file);
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rt->curfreq = f->frequency;
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rt_setfreq(rt, rt->curfreq);
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rt_setfreq(rt, f->frequency);
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return 0;
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}
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static int vidioc_g_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack2 *rt = video_drvdata(file);
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f->type = V4L2_TUNER_RADIO;
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f->frequency = rt->curfreq;
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@ -193,14 +186,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
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static int vidioc_queryctrl(struct file *file, void *priv,
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struct v4l2_queryctrl *qc)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
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if (qc->id && qc->id == radio_qctrl[i].id) {
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memcpy(qc, &(radio_qctrl[i]),
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sizeof(*qc));
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return 0;
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}
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switch (qc->id) {
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case V4L2_CID_AUDIO_MUTE:
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return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
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case V4L2_CID_AUDIO_VOLUME:
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return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);
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}
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return -EINVAL;
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}
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@ -208,7 +198,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
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static int vidioc_g_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack2 *rt = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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@ -227,7 +217,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
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static int vidioc_s_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack2 *rt = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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@ -246,17 +236,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
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return -EINVAL;
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}
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static int vidioc_g_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index > 1)
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return -EINVAL;
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strcpy(a->name, "Radio");
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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{
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*i = 0;
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@ -265,36 +244,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
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{
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if (i != 0)
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return -EINVAL;
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return i ? -EINVAL : 0;
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}
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static int vidioc_g_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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a->index = 0;
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strlcpy(a->name, "Radio", sizeof(a->name));
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_s_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index != 0)
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return -EINVAL;
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return a->index ? -EINVAL : 0;
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}
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static int rtrack2_open(struct file *file)
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{
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return 0;
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}
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static struct rt_device rtrack2_unit;
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static int rtrack2_exclusive_open(struct file *file)
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static int rtrack2_release(struct file *file)
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{
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return test_and_set_bit(0, &rtrack2_unit.in_use) ? -EBUSY : 0;
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}
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static int rtrack2_exclusive_release(struct file *file)
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{
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clear_bit(0, &rtrack2_unit.in_use);
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return 0;
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}
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static const struct v4l2_file_operations rtrack2_fops = {
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.owner = THIS_MODULE,
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.open = rtrack2_exclusive_open,
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.release = rtrack2_exclusive_release,
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.open = rtrack2_open,
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.release = rtrack2_release,
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.ioctl = video_ioctl2,
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};
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@ -313,62 +294,61 @@ static const struct v4l2_ioctl_ops rtrack2_ioctl_ops = {
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.vidioc_s_input = vidioc_s_input,
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};
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static struct video_device rtrack2_radio = {
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.name = "RadioTrack II radio",
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.fops = &rtrack2_fops,
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.ioctl_ops = &rtrack2_ioctl_ops,
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.release = video_device_release_empty,
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};
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static int __init rtrack2_init(void)
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{
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if(io==-1)
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{
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printk(KERN_ERR "You must set an I/O address with io=0x20c or io=0x30c\n");
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struct rtrack2 *dev = &rtrack2_card;
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struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
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int res;
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strlcpy(v4l2_dev->name, "rtrack2", sizeof(v4l2_dev->name));
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dev->io = io;
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if (dev->io == -1) {
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v4l2_err(v4l2_dev, "You must set an I/O address with io=0x20c or io=0x30c\n");
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return -EINVAL;
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}
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if (!request_region(io, 4, "rtrack2"))
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{
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printk(KERN_ERR "rtrack2: port 0x%x already in use\n", io);
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if (!request_region(dev->io, 4, "rtrack2")) {
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v4l2_err(v4l2_dev, "port 0x%x already in use\n", dev->io);
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return -EBUSY;
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}
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video_set_drvdata(&rtrack2_radio, &rtrack2_unit);
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res = v4l2_device_register(NULL, v4l2_dev);
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if (res < 0) {
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release_region(dev->io, 4);
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v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
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return res;
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}
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spin_lock_init(&lock);
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if (video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
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release_region(io, 4);
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strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
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dev->vdev.v4l2_dev = v4l2_dev;
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dev->vdev.fops = &rtrack2_fops;
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dev->vdev.ioctl_ops = &rtrack2_ioctl_ops;
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dev->vdev.release = video_device_release_empty;
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video_set_drvdata(&dev->vdev, dev);
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mutex_init(&dev->lock);
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if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
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v4l2_device_unregister(v4l2_dev);
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release_region(dev->io, 4);
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return -EINVAL;
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}
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printk(KERN_INFO "AIMSlab Radiotrack II card driver.\n");
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v4l2_info(v4l2_dev, "AIMSlab Radiotrack II card driver.\n");
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/* mute card - prevents noisy bootups */
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outb(1, io);
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rtrack2_unit.muted = 1;
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outb(1, dev->io);
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dev->muted = 1;
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return 0;
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}
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MODULE_AUTHOR("Ben Pfaff");
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MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
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MODULE_LICENSE("GPL");
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module_param(io, int, 0);
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MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
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module_param(radio_nr, int, 0);
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static void __exit rtrack2_cleanup_module(void)
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static void __exit rtrack2_exit(void)
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{
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video_unregister_device(&rtrack2_radio);
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release_region(io,4);
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struct rtrack2 *dev = &rtrack2_card;
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video_unregister_device(&dev->vdev);
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v4l2_device_unregister(&dev->v4l2_dev);
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release_region(dev->io, 4);
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}
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module_init(rtrack2_init);
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module_exit(rtrack2_cleanup_module);
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/*
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Local variables:
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compile-command: "mmake"
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End:
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*/
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module_exit(rtrack2_exit);
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