V4L/DVB (4364): V4L2 conversion: radio-maxiradio
Mauro Carvalho Chehab [Tue, 8 Aug 2006 12:10:05 +0000 (09:10 -0300)]
Driver conversion to V4L2 API.
Require some testing, since this obsolete hardware is not
common those days.

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

drivers/media/radio/Kconfig
drivers/media/radio/radio-maxiradio.c

index 34d04b5..96d0dd3 100644 (file)
@@ -145,7 +145,7 @@ config RADIO_GEMTEK_PCI
 
 config RADIO_MAXIRADIO
        tristate "Guillemot MAXI Radio FM 2000 radio"
-       depends on VIDEO_V4L1 && PCI
+       depends on VIDEO_V4L2 && PCI
        ---help---
          Choose Y here if you have this radio card.  This card may also be
          found as Gemtek PCI FM.
index f93d7af..c2eeae7 100644 (file)
  *   0.75b
  *     - better pci interface thanks to Francois Romieu <romieu@cogenit.fr>
  *
- *   0.75
+ *   0.75      Sun Feb  4 22:51:27 EET 2001
  *     - tiding up
  *     - removed support for multiple devices as it didn't work anyway
  *
  * BUGS:
  *   - card unmutes if you change frequency
  *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
  */
 
 
 #include <linux/mutex.h>
 
 #include <linux/pci.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 
-/* version 0.75      Sun Feb  4 22:51:27 EET 2001 */
-#define DRIVER_VERSION "0.75"
+#define DRIVER_VERSION "0.76"
+
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#define RADIO_VERSION KERNEL_VERSION(0,7,6)
+
+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,
+       }
+};
 
 #ifndef PCI_VENDOR_ID_GUILLEMOT
 #define PCI_VENDOR_ID_GUILLEMOT 0x5046
@@ -90,7 +104,6 @@ static struct video_device maxiradio_radio =
        .owner          = THIS_MODULE,
        .name           = "Maxi Radio FM2000 radio",
        .type           = VID_TYPE_TUNER,
-       .hardware       = VID_HARDWARE_SF16MI,
        .fops           = &maxiradio_fops,
 };
 
@@ -176,89 +189,116 @@ static inline int radio_function(struct inode *inode, struct file *file,
        struct radio_device *card=dev->priv;
 
        switch(cmd) {
-               case VIDIOCGCAP: {
-                       struct video_capability *v = arg;
-
+               case VIDIOC_QUERYCAP:
+               {
+                       struct v4l2_capability *v = arg;
                        memset(v,0,sizeof(*v));
-                       strcpy(v->name, "Maxi Radio FM2000 radio");
-                       v->type=VID_TYPE_TUNER;
-                       v->channels=v->audios=1;
+                       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;
                }
-               case VIDIOCGTUNER: {
-                       struct video_tuner *v = arg;
+               case VIDIOC_G_TUNER:
+               {
+                       struct v4l2_tuner *v = arg;
 
-                       if(v->tuner)
+                       if (v->index > 0)
                                return -EINVAL;
 
-                       card->stereo = 0xffff * get_stereo(card->io);
-                       card->tuned = 0xffff * get_tune(card->io);
-
-                       v->flags = VIDEO_TUNER_LOW | card->stereo;
-                       v->signal = card->tuned;
-
+                       memset(v,0,sizeof(*v));
                        strcpy(v->name, "FM");
-
-                       v->rangelow = FREQ_LO;
-                       v->rangehigh = FREQ_HI;
-                       v->mode = VIDEO_MODE_AUTO;
+                       v->type = V4L2_TUNER_RADIO;
+
+                       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);
 
                        return 0;
                }
-               case VIDIOCSTUNER: {
-                       struct video_tuner *v = arg;
-                       if(v->tuner!=0)
+               case VIDIOC_S_TUNER:
+               {
+                       struct v4l2_tuner *v = arg;
+
+                       if (v->index > 0)
                                return -EINVAL;
-                       return 0;
-               }
-               case VIDIOCGFREQ: {
-                       unsigned long *freq = arg;
 
-                       *freq = card->freq;
                        return 0;
                }
-               case VIDIOCSFREQ: {
-                       unsigned long *freq = arg;
+               case VIDIOC_S_FREQUENCY:
+               {
+                       struct v4l2_frequency *f = arg;
 
-                       if (*freq < FREQ_LO || *freq > FREQ_HI)
+                       if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
                                return -EINVAL;
-                       card->freq = *freq;
+
+                       card->freq = f->frequency;
                        set_freq(card->io, FREQ2BITS(card->freq));
                        msleep(125);
                        return 0;
                }
-               case VIDIOCGAUDIO: {
-                       struct video_audio *v = arg;
-                       memset(v,0,sizeof(*v));
-                       strcpy(v->name, "Radio");
-                       v->flags=VIDEO_AUDIO_MUTABLE | card->muted;
-                       v->mode=VIDEO_SOUND_STEREO;
-                       return 0;
-               }
+               case VIDIOC_G_FREQUENCY:
+               {
+                       struct v4l2_frequency *f = arg;
 
-               case VIDIOCSAUDIO: {
-                       struct video_audio *v = arg;
+                       f->type = V4L2_TUNER_RADIO;
+                       f->frequency = card->freq;
 
-                       if(v->audio)
-                               return -EINVAL;
-                       card->muted = v->flags & VIDEO_AUDIO_MUTE;
-                       if(card->muted)
-                               turn_power(card->io, 0);
-                       else
-                               set_freq(card->io, FREQ2BITS(card->freq));
                        return 0;
                }
-               case VIDIOCGUNIT: {
-                       struct video_unit *v = arg;
-
-                       v->video=VIDEO_NO_UNIT;
-                       v->vbi=VIDEO_NO_UNIT;
-                       v->radio=dev->minor;
-                       v->audio=0;
-                       v->teletext=VIDEO_NO_UNIT;
-                       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;
                }
-               default: return -ENOIOCTLCMD;
+               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;
+               }
+
+               default:
+                       return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+                                                         radio_function);
+
        }
 }