/* radiotrack (radioreveal) driver for Linux radio support
* (c) 1997 M. Kirkwood
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
* Converted to new API by Alan Cox <Alan.Cox@linux.org>
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
*
* out(port, start_increasing_volume);
* wait(a_wee_while);
* out(port, stop_changing_the_volume);
- *
+ *
*/
#include <linux/module.h> /* Modules */
#include <linux/delay.h> /* udelay */
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
-#include <linux/videodev.h> /* kernel radio structs */
-#include <linux/config.h> /* CONFIG_RADIO_RTRACK_PORT */
+#include <linux/videodev2.h> /* kernel radio structs */
+#include <media/v4l2-common.h>
#include <asm/semaphore.h> /* Lock for the I/O */
+#include <linux/version.h> /* for KERNEL_VERSION MACRO */
+#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+
#ifndef CONFIG_RADIO_RTRACK_PORT
#define CONFIG_RADIO_RTRACK_PORT -1
#endif
-static int io = CONFIG_RADIO_RTRACK_PORT;
+static int io = CONFIG_RADIO_RTRACK_PORT;
static int radio_nr = -1;
-static struct semaphore lock;
+static struct mutex lock;
struct rt_device
{
static void rt_mute(struct rt_device *dev)
{
dev->muted = 1;
- down(&lock);
+ mutex_lock(&lock);
outb(0xd0, io); /* volume steady, off */
- up(&lock);
+ mutex_unlock(&lock);
}
static int rt_setvol(struct rt_device *dev, int vol)
{
int i;
- down(&lock);
-
+ mutex_lock(&lock);
+
if(vol == dev->curvol) { /* requested volume = current */
if (dev->muted) { /* user is unmuting the card */
dev->muted = 0;
outb (0xd8, io); /* enable card */
- }
- up(&lock);
+ }
+ mutex_unlock(&lock);
return 0;
}
sleep_delay(2000000); /* make sure it's totally down */
outb(0xd0, io); /* volume steady, off */
dev->curvol = 0; /* track the volume state! */
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
dev->muted = 0;
if(vol > dev->curvol)
- for(i = dev->curvol; i < vol; i++)
+ for(i = dev->curvol; i < vol; i++)
rt_incvol();
else
- for(i = dev->curvol; i > vol; i--)
+ for(i = dev->curvol; i > vol; i--)
rt_decvol();
dev->curvol = vol;
- up(&lock);
+ mutex_unlock(&lock);
return 0;
}
-/* the 128+64 on these outb's is to keep the volume stable while tuning
+/* the 128+64 on these outb's is to keep the volume stable while tuning
* without them, the volume _will_ creep up with each frequency change
* and bit 4 (+16) is to keep the signal strength meter enabled
*/
outb_p(128+64+16+8+ 1, port); /* on + wr-enable + data low */
outb_p(128+64+16+8+2+1, port); /* clock */
}
- sleep_delay(1000);
+ sleep_delay(1000);
}
static void send_1_byte(int port, struct rt_device *dev)
if ((dev->curvol == 0) || (dev->muted)) {
outb_p(128+64+16+4 +1, port); /* wr-enable+data high */
outb_p(128+64+16+4+2+1, port); /* clock */
- }
+ }
else {
outb_p(128+64+16+8+4 +1, port); /* on+wr-enable+data high */
outb_p(128+64+16+8+4+2+1, port); /* clock */
}
- sleep_delay(1000);
+ sleep_delay(1000);
}
static int rt_setfreq(struct rt_device *dev, unsigned long freq)
freq += 171200; /* Add 10.7 MHz IF */
freq /= 800; /* Convert to 50 kHz units */
-
- down(&lock); /* Stop other ops interfering */
-
+
+ mutex_lock(&lock); /* Stop other ops interfering */
+
send_0_byte (io, dev); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
outb (0xd0, io); /* volume steady + sigstr */
else
outb (0xd8, io); /* volume steady + sigstr + on */
-
- up(&lock);
+
+ mutex_unlock(&lock);
return 0;
}
return 1; /* signal present */
}
+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 = 0xff,
+ .step = 1,
+ .default_value = 0xff,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ }
+};
+
static int rt_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
struct video_device *dev = video_devdata(file);
struct rt_device *rt=dev->priv;
-
+
switch(cmd)
{
- case VIDIOCGCAP:
+ case VIDIOC_QUERYCAP:
{
- struct video_capability *v = arg;
+ struct v4l2_capability *v = arg;
memset(v,0,sizeof(*v));
- v->type=VID_TYPE_TUNER;
- v->channels=1;
- v->audios=1;
- strcpy(v->name, "RadioTrack");
+ strlcpy(v->driver, "radio-aimslab", sizeof (v->driver));
+ strlcpy(v->card, "RadioTrack", sizeof (v->card));
+ sprintf(v->bus_info,"ISA");
+ v->version = RADIO_VERSION;
+ v->capabilities = V4L2_CAP_TUNER;
+
return 0;
}
- case VIDIOCGTUNER:
+ case VIDIOC_G_TUNER:
{
- struct video_tuner *v = arg;
- if(v->tuner) /* Only 1 tuner */
+ struct v4l2_tuner *v = arg;
+
+ if (v->index > 0)
return -EINVAL;
+
+ memset(v,0,sizeof(*v));
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+
v->rangelow=(87*16000);
v->rangehigh=(108*16000);
- v->flags=VIDEO_TUNER_LOW;
- v->mode=VIDEO_MODE_AUTO;
- strcpy(v->name, "FM");
+ v->rxsubchans =V4L2_TUNER_SUB_MONO;
+ v->capability=V4L2_TUNER_CAP_LOW;
+ v->audmode = V4L2_TUNER_MODE_MONO;
v->signal=0xFFFF*rt_getsigstr(rt);
+
return 0;
}
- case VIDIOCSTUNER:
+ case VIDIOC_S_TUNER:
{
- struct video_tuner *v = arg;
- if(v->tuner!=0)
+ struct v4l2_tuner *v = arg;
+
+ if (v->index > 0)
return -EINVAL;
- /* Only 1 tuner so no setting needed ! */
+
return 0;
}
- case VIDIOCGFREQ:
+ case VIDIOC_S_FREQUENCY:
{
- unsigned long *freq = arg;
- *freq = rt->curfreq;
+ struct v4l2_frequency *f = arg;
+
+ rt->curfreq = f->frequency;
+ rt_setfreq(rt, rt->curfreq);
return 0;
}
- case VIDIOCSFREQ:
+ case VIDIOC_G_FREQUENCY:
{
- unsigned long *freq = arg;
- rt->curfreq = *freq;
- rt_setfreq(rt, rt->curfreq);
+ struct v4l2_frequency *f = arg;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = rt->curfreq;
+
return 0;
}
- case VIDIOCGAUDIO:
- {
- struct video_audio *v = arg;
- memset(v,0, sizeof(*v));
- v->flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME;
- v->volume=rt->curvol * 6554;
- v->step=6554;
- strcpy(v->name, "Radio");
- return 0;
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *qc = arg;
+ 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);
+ }
+ }
+ return -EINVAL;
}
- case VIDIOCSAUDIO:
+ case VIDIOC_G_CTRL:
{
- struct video_audio *v = arg;
- if(v->audio)
- return -EINVAL;
- if(v->flags&VIDEO_AUDIO_MUTE)
- rt_mute(rt);
- else
- rt_setvol(rt,v->volume/6554);
- return 0;
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value=rt->muted;
+ return (0);
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value=rt->curvol * 6554;
+ return (0);
+ }
+ return -EINVAL;
+ }
+ case VIDIOC_S_CTRL:
+ {
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ if (ctrl->value) {
+ rt_mute(rt);
+ } else {
+ rt_setvol(rt,rt->curvol);
+ }
+ return (0);
+ case V4L2_CID_AUDIO_VOLUME:
+ rt_setvol(rt,ctrl->value);
+ return (0);
+ }
+ return -EINVAL;
}
+
default:
- return -ENOIOCTLCMD;
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ rt_do_ioctl);
}
}
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
- .ioctl = rt_ioctl,
+ .ioctl = rt_ioctl,
.compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
};
.owner = THIS_MODULE,
.name = "RadioTrack radio",
.type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_RTRACK,
+ .hardware = 0,
.fops = &rtrack_fops,
};
return -EINVAL;
}
- if (!request_region(io, 2, "rtrack"))
+ if (!request_region(io, 2, "rtrack"))
{
printk(KERN_ERR "rtrack: port 0x%x already in use\n", io);
return -EBUSY;
}
rtrack_radio.priv=&rtrack_unit;
-
+
if(video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr)==-1)
{
release_region(io, 2);
printk(KERN_INFO "AIMSlab RadioTrack/RadioReveal card driver.\n");
/* Set up the I/O locking */
-
- init_MUTEX(&lock);
-
- /* mute card - prevents noisy bootups */
+
+ mutex_init(&lock);
+
+ /* mute card - prevents noisy bootups */
/* this ensures that the volume is all the way down */
outb(0x48, io); /* volume down but still "on" */
git://git.onelab.eu / linux-2.6.git / blobdiff