V4L/DVB (5149): Convert radio-maxiradio to use video_ioctl2

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/radio/radio-maxiradio.c

@@ -27,7 +27,9 @@
  * BUGS:
  *   - card unmutes if you change frequency
  *
- * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
+ * (c) 2006, 2007 by Mauro Carvalho Chehab <mchehab@infradead.org>:
+ *	- Conversion to V4L2 API
+ *      - Uses video_ioctl2 for parsing and to add debug support
  */
 
 
@@ -87,24 +89,14 @@ module_param(radio_nr, int, 0);
 #define BITS2FREQ(x)	((x) * FREQ_STEP - FREQ_IF)
 
 
-static int radio_ioctl(struct inode *inode, struct file *file,
-		       unsigned int cmd, unsigned long arg);
-
 static const struct file_operations maxiradio_fops = {
 	.owner		= THIS_MODULE,
 	.open           = video_exclusive_open,
 	.release        = video_exclusive_release,
-	.ioctl		= radio_ioctl,
+	.ioctl          = video_ioctl2,
 	.compat_ioctl	= v4l_compat_ioctl32,
 	.llseek         = no_llseek,
 };
-static struct video_device maxiradio_radio =
-{
-	.owner		= THIS_MODULE,
-	.name		= "Maxi Radio FM2000 radio",
-	.type		= VID_TYPE_TUNER,
-	.fops           = &maxiradio_fops,
-};
 
 static struct radio_device
 {
@@ -181,143 +173,144 @@ static int get_tune(__u16 io)
 }
 
 
-static inline int radio_function(struct inode *inode, struct file *file,
-				 unsigned int cmd, void *arg)
+static int vidioc_querycap (struct file *file, void  *priv,
+			    struct v4l2_capability *v)
+{
+	strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver));
+	strlcpy(v->card, "Maxi Radio FM2000 radio", 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 radio_device *card=dev->priv;
 
-	switch(cmd) {
-		case VIDIOC_QUERYCAP:
-		{
-			struct v4l2_capability *v = arg;
-			memset(v,0,sizeof(*v));
-			strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver));
-			strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof (v->card));
-			sprintf(v->bus_info,"ISA");
-			v->version = RADIO_VERSION;
-			v->capabilities = V4L2_CAP_TUNER;
+	if (v->index > 0)
+		return -EINVAL;
 
-			return 0;
-		}
-		case VIDIOC_G_TUNER:
-		{
-			struct v4l2_tuner *v = arg;
+	memset(v,0,sizeof(*v));
+	strcpy(v->name, "FM");
+	v->type = V4L2_TUNER_RADIO;
 
-			if (v->index > 0)
-				return -EINVAL;
+	v->rangelow=FREQ_LO;
+	v->rangehigh=FREQ_HI;
+	v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+	v->capability=V4L2_TUNER_CAP_LOW;
+	if(get_stereo(card->io))
+		v->audmode = V4L2_TUNER_MODE_STEREO;
+	else
+		v->audmode = V4L2_TUNER_MODE_MONO;
+	v->signal=0xffff*get_tune(card->io);
 
-			memset(v,0,sizeof(*v));
-			strcpy(v->name, "FM");
-			v->type = V4L2_TUNER_RADIO;
+	return 0;
+}
 
-			v->rangelow=FREQ_LO;
-			v->rangehigh=FREQ_HI;
-			v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
-			v->capability=V4L2_TUNER_CAP_LOW;
-			if(get_stereo(card->io))
-				v->audmode = V4L2_TUNER_MODE_STEREO;
-			else
-				v->audmode = V4L2_TUNER_MODE_MONO;
-			v->signal=0xffff*get_tune(card->io);
+static int vidioc_s_tuner (struct file *file, void *priv,
+			   struct v4l2_tuner *v)
+{
+	if (v->index > 0)
+		return -EINVAL;
 
-			return 0;
-		}
-		case VIDIOC_S_TUNER:
-		{
-			struct v4l2_tuner *v = arg;
+	return 0;
+}
 
-			if (v->index > 0)
-				return -EINVAL;
+static int vidioc_s_frequency (struct file *file, void *priv,
+			       struct v4l2_frequency *f)
+{
+	struct video_device *dev = video_devdata(file);
+	struct radio_device *card=dev->priv;
 
-			return 0;
-		}
-		case VIDIOC_S_FREQUENCY:
-		{
-			struct v4l2_frequency *f = arg;
+	if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
+		return -EINVAL;
 
-			if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
-				return -EINVAL;
+	card->freq = f->frequency;
+	set_freq(card->io, FREQ2BITS(card->freq));
+	msleep(125);
 
-			card->freq = f->frequency;
-			set_freq(card->io, FREQ2BITS(card->freq));
-			msleep(125);
-			return 0;
-		}
-		case VIDIOC_G_FREQUENCY:
-		{
-			struct v4l2_frequency *f = arg;
+	return 0;
+}
 
-			f->type = V4L2_TUNER_RADIO;
-			f->frequency = card->freq;
+static int vidioc_g_frequency (struct file *file, void *priv,
+			       struct v4l2_frequency *f)
+{
+	struct video_device *dev = video_devdata(file);
+	struct radio_device *card=dev->priv;
 
-			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 VIDIOC_G_CTRL:
-		{
-			struct v4l2_control *ctrl= arg;
-
-			switch (ctrl->id) {
-				case V4L2_CID_AUDIO_MUTE:
-					ctrl->value=card->muted;
-					return (0);
-			}
-			return -EINVAL;
-		}
-		case VIDIOC_S_CTRL:
-		{
-			struct v4l2_control *ctrl= arg;
-
-			switch (ctrl->id) {
-				case V4L2_CID_AUDIO_MUTE:
-					card->muted = ctrl->value;
-					if(card->muted)
-						turn_power(card->io, 0);
-					else
-						set_freq(card->io, FREQ2BITS(card->freq));
-					return 0;
-			}
-			return -EINVAL;
+	f->type = V4L2_TUNER_RADIO;
+	f->frequency = card->freq;
+
+	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);
 		}
+	}
+	return -EINVAL;
+}
 
-		default:
-			return v4l_compat_translate_ioctl(inode,file,cmd,arg,
-							  radio_function);
+static int vidioc_g_ctrl (struct file *file, void *priv,
+			    struct v4l2_control *ctrl)
+{
+	struct video_device *dev = video_devdata(file);
+	struct radio_device *card=dev->priv;
 
+	switch (ctrl->id) {
+		case V4L2_CID_AUDIO_MUTE:
+			ctrl->value=card->muted;
+			return (0);
 	}
+	return -EINVAL;
 }
 
-static int radio_ioctl(struct inode *inode, struct file *file,
-		       unsigned int cmd, unsigned long arg)
+static int vidioc_s_ctrl (struct file *file, void *priv,
+			  struct v4l2_control *ctrl)
 {
 	struct video_device *dev = video_devdata(file);
 	struct radio_device *card=dev->priv;
-	int ret;
 
-	mutex_lock(&card->lock);
-	ret = video_usercopy(inode, file, cmd, arg, radio_function);
-	mutex_unlock(&card->lock);
-	return ret;
+	switch (ctrl->id) {
+		case V4L2_CID_AUDIO_MUTE:
+			card->muted = ctrl->value;
+			if(card->muted)
+				turn_power(card->io, 0);
+			else
+				set_freq(card->io, FREQ2BITS(card->freq));
+			return 0;
+	}
+	return -EINVAL;
 }
 
-MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net");
-MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio.");
-MODULE_LICENSE("GPL");
+static struct video_device maxiradio_radio =
+{
+	.owner		    = THIS_MODULE,
+	.name		    = "Maxi Radio FM2000 radio",
+	.type		    = VID_TYPE_TUNER,
+	.fops               = &maxiradio_fops,
+
+	.vidioc_querycap    = vidioc_querycap,
+	.vidioc_g_tuner     = vidioc_g_tuner,
+	.vidioc_s_tuner     = vidioc_s_tuner,
+	.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 __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -389,3 +382,10 @@ static void __exit maxiradio_radio_exit(void)
 
 module_init(maxiradio_radio_init);
 module_exit(maxiradio_radio_exit);
+
+MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net");
+MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio.");
+MODULE_LICENSE("GPL");
+
+module_param_named(debug,maxiradio_radio.debug, int, 0644);
+MODULE_PARM_DESC(debug,"activates debug info");