V4L/DVB (4349): V4L2 conversion: radio_gemtek

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>

diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index 81e2f35..ec39a00 100644 (file)
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -106,7 +106,7 @@ config RADIO_AZTECH_PORT
 
 config RADIO_GEMTEK
        tristate "GemTek Radio Card support"
-       depends on ISA && VIDEO_V4L1
+       depends on ISA && VIDEO_V4L2
        ---help---
          Choose Y here if you have this FM radio card, and then fill in the
          port address below.

diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c
index ffabe02..730fe16 100644 (file)
--- a/drivers/media/radio/radio-gemtek.c
+++ b/drivers/media/radio/radio-gemtek.c
@@ -13,6 +13,7 @@
  *
  * TODO: Allow for more than one of these foolish entities :-)
  *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
  */
 
 #include <linux/module.h>      /* Modules                      */
@@ -21,10 +22,32 @@
 #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/videodev2.h>   /* kernel radio structs         */
 #include <media/v4l2-common.h>
 #include <linux/spinlock.h>
 
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+
+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       = 65535,
+               .step          = 65535,
+               .default_value = 0xff,
+               .type          = V4L2_CTRL_TYPE_INTEGER,
+       }
+};
+
 #ifndef CONFIG_RADIO_GEMTEK_PORT
 #define CONFIG_RADIO_GEMTEK_PORT -1
 #endif
@@ -146,77 +169,122 @@ static int gemtek_do_ioctl(struct inode *inode, struct file *file,
 
        switch(cmd)
        {
-               case VIDIOCGCAP:
+               case VIDIOC_QUERYCAP:
                {
-                       struct video_capability *v = arg;
+                       struct v4l2_capability *v = arg;
                        memset(v,0,sizeof(*v));
-                       v->type=VID_TYPE_TUNER;
-                       v->channels=1;
-                       v->audios=1;
-                       strcpy(v->name, "GemTek");
+                       strlcpy(v->driver, "radio-gemtek", sizeof (v->driver));
+                       strlcpy(v->card, "GemTek", sizeof (v->card));
+                       sprintf(v->bus_info,"ISA");
+                       v->version = RADIO_VERSION;
+                       v->capabilities = V4L2_CAP_TUNER;
+
                        return 0;
                }
-               case VIDIOCGTUNER:
+               case VIDIOC_G_TUNER:
                {
-                       struct video_tuner *v = arg;
-                       if(v->tuner)    /* Only 1 tuner */
+                       struct v4l2_tuner *v = arg;
+
+                       if (v->index > 0)
                                return -EINVAL;
-                       v->rangelow=87*16000;
-                       v->rangehigh=108*16000;
-                       v->flags=VIDEO_TUNER_LOW;
-                       v->mode=VIDEO_MODE_AUTO;
-                       v->signal=0xFFFF*gemtek_getsigstr(rt);
+
+                       memset(v,0,sizeof(*v));
                        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*gemtek_getsigstr(rt);
+
                        return 0;
                }
-               case VIDIOCSTUNER:
+               case VIDIOC_S_TUNER:
                {
-                       struct video_tuner *v = arg;
-                       if(v->tuner!=0)
+                       struct v4l2_tuner *v = arg;
+
+                       if (v->index > 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:
+               case VIDIOC_S_FREQUENCY:
                {
-                       unsigned long *freq = arg;
-                       rt->curfreq = *freq;
+                       struct v4l2_frequency *f = arg;
+
+                       rt->curfreq = f->frequency;
                        /* needs to be called twice in order for getsigstr to work */
                        gemtek_setfreq(rt, rt->curfreq);
                        gemtek_setfreq(rt, rt->curfreq);
                        return 0;
                }
-               case VIDIOCGAUDIO:
-               {
-                       struct video_audio *v = arg;
-                       memset(v,0, sizeof(*v));
-                       v->flags|=VIDEO_AUDIO_MUTABLE;
-                       v->volume=1;
-                       v->step=65535;
-                       strcpy(v->name, "Radio");
-                       return 0;
-               }
-               case VIDIOCSAUDIO:
+               case VIDIOC_G_FREQUENCY:
                {
-                       struct video_audio *v = arg;
-                       if(v->audio)
-                               return -EINVAL;
+                       struct v4l2_frequency *f = arg;
 
-                       if(v->flags&VIDEO_AUDIO_MUTE)
-                               gemtek_mute(rt);
-                       else
-                               gemtek_unmute(rt);
+                       f->type = V4L2_TUNER_RADIO;
+                       f->frequency = rt->curfreq;
 
                        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=rt->muted;
+                                       return (0);
+                               case V4L2_CID_AUDIO_VOLUME:
+                                       if (rt->muted)
+                                               ctrl->value=0;
+                                       else
+                                               ctrl->value=65535;
+                                       return (0);
+                       }
+                       return -EINVAL;
+               }
+               case VIDIOC_S_CTRL:
+               {
+                       struct v4l2_control *ctrl= arg;
+
+                       switch (ctrl->id) {
+                               case V4L2_CID_AUDIO_MUTE:
+                                       if (ctrl->value) {
+                                               gemtek_mute(rt);
+                                       } else {
+                                               gemtek_unmute(rt);
+                                       }
+                                       return (0);
+                               case V4L2_CID_AUDIO_VOLUME:
+                                       if (ctrl->value) {
+                                               gemtek_unmute(rt);
+                                       } else {
+                                               gemtek_mute(rt);
+                                       }
+                                       return (0);
+                       }
+                       return -EINVAL;
+               }
                default:
-                       return -ENOIOCTLCMD;
+                       return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+                                                         gemtek_do_ioctl);
        }
 }
 
@@ -242,7 +310,7 @@ static struct video_device gemtek_radio=
        .owner          = THIS_MODULE,
        .name           = "GemTek radio",
        .type           = VID_TYPE_TUNER,
-       .hardware       = VID_HARDWARE_GEMTEK,
+       .hardware       = 0,
        .fops           = &gemtek_fops,
 };