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

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

diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c
index 6beeb74..2fc8660 100644 (file)
--- a/drivers/media/radio/radio-maxiradio.c
+++ b/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");