/* 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 mutex lock;
int i;
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 */
- }
+ }
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;
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 */
-
+
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 */
-
+
mutex_unlock(&lock);
return 0;
return 1; /* signal present */
}
-static int rt_do_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg)
+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 vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *v)
+{
+ 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;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
{
struct video_device *dev = video_devdata(file);
- struct rt_device *rt=dev->priv;
-
- switch(cmd)
- {
- case VIDIOCGCAP:
- {
- struct video_capability *v = arg;
- memset(v,0,sizeof(*v));
- v->type=VID_TYPE_TUNER;
- v->channels=1;
- v->audios=1;
- strcpy(v->name, "RadioTrack");
- return 0;
- }
- case VIDIOCGTUNER:
- {
- struct video_tuner *v = arg;
- if(v->tuner) /* Only 1 tuner */
- return -EINVAL;
- v->rangelow=(87*16000);
- v->rangehigh=(108*16000);
- v->flags=VIDEO_TUNER_LOW;
- v->mode=VIDEO_MODE_AUTO;
- strcpy(v->name, "FM");
- v->signal=0xFFFF*rt_getsigstr(rt);
- return 0;
- }
- case VIDIOCSTUNER:
- {
- struct video_tuner *v = arg;
- if(v->tuner!=0)
- return -EINVAL;
- /* Only 1 tuner so no setting needed ! */
- return 0;
- }
- case VIDIOCGFREQ:
- {
- unsigned long *freq = arg;
- *freq = rt->curfreq;
- return 0;
- }
- case VIDIOCSFREQ:
- {
- unsigned long *freq = arg;
- rt->curfreq = *freq;
- rt_setfreq(rt, 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 VIDIOCSAUDIO:
- {
- 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);
+ struct rt_device *rt = dev->priv;
+
+ if (v->index > 0)
+ return -EINVAL;
+
+ strcpy(v->name, "FM");
+ v->type = V4L2_TUNER_RADIO;
+ v->rangelow = (87*16000);
+ v->rangehigh = (108*16000);
+ 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;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ if (v->index > 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct video_device *dev = video_devdata(file);
+ struct rt_device *rt = dev->priv;
+
+ rt->curfreq = f->frequency;
+ rt_setfreq(rt, rt->curfreq);
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct video_device *dev = video_devdata(file);
+ struct rt_device *rt = dev->priv;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = rt->curfreq;
+ return 0;
+}
+
+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;
}
- default:
- return -ENOIOCTLCMD;
}
+ return -EINVAL;
}
-static int rt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int vidioc_g_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
{
- return video_usercopy(inode, file, cmd, arg, rt_do_ioctl);
+ struct video_device *dev = video_devdata(file);
+ struct rt_device *rt = dev->priv;
+
+ 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;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *priv,
+ struct v4l2_control *ctrl)
+{
+ struct video_device *dev = video_devdata(file);
+ struct rt_device *rt = dev->priv;
+
+ 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;
+}
+
+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;
+ return 0;
+}
+
+static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+{
+ if (i != 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *a)
+{
+ if (a->index != 0)
+ return -EINVAL;
+ return 0;
}
static struct rt_device rtrack_unit;
-static struct file_operations rtrack_fops = {
+static const struct file_operations rtrack_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
- .ioctl = rt_ioctl,
+ .ioctl = video_ioctl2,
.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,
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
};
static int __init rtrack_init(void)
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 */
-
+
mutex_init(&lock);
-
- /* mute card - prevents noisy bootups */
+
+ /* mute card - prevents noisy bootups */
/* this ensures that the volume is all the way down */
outb(0x48, io); /* volume down but still "on" */
projects / linux-2.6-omap-h63xx.git / blobdiff