V4L/DVB (4357): V4L2 conversion: radio-typhoon

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>

2 files changed, 117 insertions, 55 deletions

diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index 79d6b1bcd1a4..e64f0aae7dea 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -286,7 +286,7 @@ config RADIO_TRUST_PORT
 
 config RADIO_TYPHOON
         tristate "Typhoon Radio (a.k.a. EcoRadio)"
-        depends on ISA && VIDEO_V4L1
+        depends on ISA && VIDEO_V4L2
         ---help---
           Choose Y here if you have one of these FM radio cards, and then fill
           in the port address and the frequency used for muting below.
diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c
index 2835c8947f0a..f8b732bc9a05 100644
--- a/drivers/media/radio/radio-typhoon.c
+++ b/drivers/media/radio/radio-typhoon.c
@@ -27,6 +27,8 @@
  * value where I do expect just noise and turn the speaker volume down.
  * The frequency change is necessary since the card never seems to be
  * completely silent.
+ *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
  */
 
 #include <linux/module.h>       /* Modules                        */
@@ -35,10 +37,32 @@
 #include <linux/proc_fs.h>      /* radio card status report       */
 #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>
 
-#define BANNER "Typhoon Radio Card driver v0.1\n"
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#define RADIO_VERSION KERNEL_VERSION(0,1,1)
+#define BANNER "Typhoon Radio Card driver v0.1.1\n"
+
+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          = 1<<14,
+                .default_value = 0xff,
+                .type          = V4L2_CTRL_TYPE_INTEGER,
+        }
+};
+
 
 #ifndef CONFIG_RADIO_TYPHOON_PORT
 #define CONFIG_RADIO_TYPHOON_PORT -1
@@ -170,76 +194,114 @@ static int typhoon_do_ioctl(struct inode *inode, struct file *file,
         struct typhoon_device *typhoon = dev->priv;
 
         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, "Typhoon Radio");
+                        strlcpy(v->driver, "radio-typhoon", sizeof (v->driver));
+                        strlcpy(v->card, "Typhoon Radio", 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 = 875 * 1600;
-                        v->rangehigh = 1080 * 1600;
-                        v->flags = VIDEO_TUNER_LOW;
-                        v->mode = VIDEO_MODE_AUTO;
-                        v->signal = 0xFFFF;     /* We can't get the signal strength */
+
+                        memset(v,0,sizeof(*v));
                         strcpy(v->name, "FM");
+                        v->type = V4L2_TUNER_RADIO;
+
+                        v->rangelow=(87.5*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;     /* We can't get the signal strength */
+
                         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 = typhoon->curfreq;
-                return 0;
-        }
-        case VIDIOCSFREQ:
-        {
-                unsigned long *freq = arg;
-                typhoon->curfreq = *freq;
-                typhoon_setfreq(typhoon, typhoon->curfreq);
-                return 0;
-        }
-        case VIDIOCGAUDIO:
+                case VIDIOC_S_FREQUENCY:
                 {
-                        struct video_audio *v = arg;
-                        memset(v, 0, sizeof(*v));
-                        v->flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME;
-                        v->mode |= VIDEO_SOUND_MONO;
-                        v->volume = typhoon->curvol;
-                        v->step = 1 << 14;
-                        strcpy(v->name, "Typhoon Radio");
+                        struct v4l2_frequency *f = arg;
+
+                        typhoon->curfreq = f->frequency;
+                        typhoon_setfreq(typhoon, typhoon->curfreq);
                         return 0;
                 }
-        case VIDIOCSAUDIO:
+                case VIDIOC_G_FREQUENCY:
                 {
-                        struct video_audio *v = arg;
-                        if (v->audio)
-                                return -EINVAL;
-                        if (v->flags & VIDEO_AUDIO_MUTE)
-                                typhoon_mute(typhoon);
-                        else
-                                typhoon_unmute(typhoon);
-                        if (v->flags & VIDEO_AUDIO_VOLUME)
-                                typhoon_setvol(typhoon, v->volume);
+                        struct v4l2_frequency *f = arg;
+
+                        f->type = V4L2_TUNER_RADIO;
+                        f->frequency = typhoon->curfreq;
+
                         return 0;
                 }
-        default:
-                return -ENOIOCTLCMD;
+                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=typhoon->muted;
+                                        return (0);
+                                case V4L2_CID_AUDIO_VOLUME:
+                                        ctrl->value=typhoon->curvol;
+                                        return (0);
+                        }
+                        return -EINVAL;
+                }
+                case VIDIOC_S_CTRL:
+                {
+                        struct v4l2_control *ctrl= arg;
+
+                        switch (ctrl->id) {
+                                case V4L2_CID_AUDIO_MUTE:
+                                        if (ctrl->value) {
+                                                typhoon_mute(typhoon);
+                                        } else {
+                                                typhoon_unmute(typhoon);
+                                        }
+                                        return (0);
+                                case V4L2_CID_AUDIO_VOLUME:
+                                        typhoon_setvol(typhoon, ctrl->value);
+                                        return (0);
+                        }
+                        return -EINVAL;
+                }
+
+                default:
+                        return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+                                                          typhon_do_ioctl);
         }
 }
 
@@ -270,7 +332,7 @@ static struct video_device typhoon_radio =
         .owner          = THIS_MODULE,
         .name           = "Typhoon Radio",
         .type           = VID_TYPE_TUNER,
-        .hardware       = VID_HARDWARE_TYPHOON,
+        .hardware       = 0,
         .fops           = &typhoon_fops,
 };