V4L/DVB (4364): V4L2 conversion: radio-maxiradio

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>

1 files changed, 103 insertions, 63 deletions

diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c
index f93d7afe730..c2eeae7a10d 100644
--- a/drivers/media/radio/radio-maxiradio.c
+++ b/drivers/media/radio/radio-maxiradio.c
@@ -20,13 +20,14 @@
  *   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>
  */
 
 
@@ -40,11 +41,24 @@
 #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);
+
         }
 }