V4L/DVB (4355): V4L2 conversion: radio-sf16fmr2
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 60a5bea..fddfd5c 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -225,7 +225,7 @@
config RADIO_SF16FMR2
tristate "SF16FMR2 Radio"
- depends on ISA && VIDEO_V4L1
+ depends on ISA && VIDEO_V4L2
---help---
Choose Y here if you have one of these FM radio cards.
diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c
index 3483b2c..3f4ee62 100644
--- a/drivers/media/radio/radio-sf16fmr2.c
+++ b/drivers/media/radio/radio-sf16fmr2.c
@@ -10,6 +10,8 @@
* For read stereo/mono you must wait 0.1 sec after set frequency and
* card unmuted so I set frequency on unmute
* Signal handling seem to work only on autoscanning (not implemented)
+ *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
*/
#include <linux/module.h> /* Modules */
@@ -18,10 +20,31 @@
#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/mutex.h>
+#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 = 1<<12,
+ .default_value = 0xff,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ }
+};
+
static struct mutex lock;
#undef DEBUG
@@ -214,63 +237,65 @@
switch(cmd)
{
- case VIDIOCGCAP:
+ case VIDIOC_QUERYCAP:
{
- struct video_capability *v = arg;
+ struct v4l2_capability *v = arg;
memset(v,0,sizeof(*v));
- strcpy(v->name, "SF16-FMR2 radio");
- v->type=VID_TYPE_TUNER;
- v->channels=1;
- v->audios=1;
+ strlcpy(v->driver, "radio-sf16fmr2", sizeof (v->driver));
+ strlcpy(v->card, "SF16-FMR2 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;
+ struct v4l2_tuner *v = arg;
int mult;
- if(v->tuner) /* Only 1 tuner */
+ if (v->index > 0)
return -EINVAL;
+
+ memset(v,0,sizeof(*v));
strcpy(v->name, "FM");
- mult = (fmr2->flags & VIDEO_TUNER_LOW) ? 1 : 1000;
+ v->type = V4L2_TUNER_RADIO;
+
+ mult = (fmr2->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
v->rangelow = RSF16_MINFREQ/mult;
v->rangehigh = RSF16_MAXFREQ/mult;
- v->flags = fmr2->flags | VIDEO_AUDIO_MUTABLE;
- if (fmr2->mute)
- v->flags |= VIDEO_AUDIO_MUTE;
- v->mode=VIDEO_MODE_AUTO;
+ v->rxsubchans =V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+ v->capability=fmr2->flags&V4L2_TUNER_CAP_LOW;
+
+ v->audmode = fmr2->stereo ? V4L2_TUNER_MODE_STEREO:
+ V4L2_TUNER_MODE_MONO;
mutex_lock(&lock);
v->signal = fmr2_getsigstr(fmr2);
mutex_unlock(&lock);
+
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;
- fmr2->flags = v->flags & VIDEO_TUNER_LOW;
+
return 0;
}
- case VIDIOCGFREQ:
+ case VIDIOC_S_FREQUENCY:
{
- unsigned long *freq = arg;
- *freq = fmr2->curfreq;
- if (!(fmr2->flags & VIDEO_TUNER_LOW))
- *freq /= 1000;
- return 0;
- }
- case VIDIOCSFREQ:
- {
- unsigned long *freq = arg;
- if (!(fmr2->flags & VIDEO_TUNER_LOW))
- *freq *= 1000;
- if ( *freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )
+ struct v4l2_frequency *f = arg;
+
+ if (!(fmr2->flags & V4L2_TUNER_CAP_LOW))
+ f->frequency *= 1000;
+ if (f->frequency < RSF16_MINFREQ ||
+ f->frequency > RSF16_MAXFREQ )
return -EINVAL;
- /* rounding in steps of 200 to match th freq
- * that will be used
- */
- fmr2->curfreq = (*freq/200)*200;
+ /*rounding in steps of 200 to match th freq
+ that will be used */
+ fmr2->curfreq = (f->frequency/200)*200;
/* set card freq (if not muted) */
if (fmr2->curvol && !fmr2->mute)
@@ -279,40 +304,81 @@
fmr2_setfreq(fmr2);
mutex_unlock(&lock);
}
+
return 0;
}
- case VIDIOCGAUDIO:
+ case VIDIOC_G_FREQUENCY:
{
- struct video_audio *v = arg;
- memset(v,0,sizeof(*v));
- /* !!! do not return VIDEO_AUDIO_MUTE */
- v->flags = VIDEO_AUDIO_MUTABLE;
- strcpy(v->name, "Radio");
- /* get current stereo mode */
- v->mode = fmr2->stereo ? VIDEO_SOUND_STEREO: VIDEO_SOUND_MONO;
- /* volume supported ? */
- if (fmr2->card_type == 11)
- {
- v->flags |= VIDEO_AUDIO_VOLUME;
- v->step = 1 << 12;
- v->volume = fmr2->curvol;
+ struct v4l2_frequency *f = arg;
+
+ f->type = V4L2_TUNER_RADIO;
+ f->frequency = fmr2->curfreq;
+ if (!(fmr2->flags & V4L2_TUNER_CAP_LOW))
+ f->frequency /= 1000;
+
+ return 0;
+ }
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *qc = arg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
+ if ((fmr2->card_type != 11)
+ && V4L2_CID_AUDIO_VOLUME)
+ radio_qctrl[i].step=65535;
+ if (qc->id && qc->id == radio_qctrl[i].id) {
+ memcpy(qc, &(radio_qctrl[i]),
+ sizeof(*qc));
+ return (0);
+ }
}
- debug_print((KERN_DEBUG "Get flags %d vol %d\n", v->flags, v->volume));
- return 0;
+ return -EINVAL;
}
- case VIDIOCSAUDIO:
+ case VIDIOC_G_CTRL:
{
- struct video_audio *v = arg;
- if(v->audio)
- return -EINVAL;
- debug_print((KERN_DEBUG "Set flags %d vol %d\n", v->flags, v->volume));
- /* set volume */
- if (v->flags & VIDEO_AUDIO_VOLUME)
- fmr2->curvol = v->volume; /* !!! set with precision */
- if (fmr2->card_type != 11) fmr2->curvol = 65535;
- fmr2->mute = 0;
- if (v->flags & VIDEO_AUDIO_MUTE)
- fmr2->mute = 1;
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value=fmr2->mute;
+ return (0);
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value=fmr2->curvol;
+ return (0);
+ }
+ return -EINVAL;
+ }
+ case VIDIOC_S_CTRL:
+ {
+ struct v4l2_control *ctrl= arg;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ fmr2->mute=ctrl->value;
+ if (fmr2->card_type != 11) {
+ if (!fmr2->mute) {
+ fmr2->curvol = 65535;
+ } else {
+ fmr2->curvol = 0;
+ }
+ }
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ fmr2->curvol = ctrl->value;
+ if (fmr2->card_type != 11) {
+ if (fmr2->curvol) {
+ fmr2->curvol = 65535;
+ fmr2->mute = 0;
+ } else {
+ fmr2->curvol = 0;
+ fmr2->mute = 1;
+ }
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
#ifdef DEBUG
if (fmr2->curvol && !fmr2->mute)
printk(KERN_DEBUG "unmute\n");
@@ -320,27 +386,18 @@
printk(KERN_DEBUG "mute\n");
#endif
mutex_lock(&lock);
- if (fmr2->curvol && !fmr2->mute)
- {
+ if (fmr2->curvol && !fmr2->mute) {
fmr2_setvolume(fmr2);
fmr2_setfreq(fmr2);
- }
- else fmr2_mute(fmr2->port);
+ } else
+ fmr2_mute(fmr2->port);
mutex_unlock(&lock);
- 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; /* How do we find out this??? */
- v->teletext=VIDEO_NO_UNIT;
- return 0;
+ return (0);
}
default:
- return -ENOIOCTLCMD;
+ return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+ az_do_ioctl);
+
}
}
@@ -366,7 +423,7 @@
.owner = THIS_MODULE,
.name = "SF16FMR2 radio",
. type = VID_TYPE_TUNER,
- .hardware = VID_HARDWARE_SF16FMR2,
+ .hardware = 0,
.fops = &fmr2_fops,
};
@@ -377,7 +434,7 @@
fmr2_unit.mute = 0;
fmr2_unit.curfreq = 0;
fmr2_unit.stereo = 1;
- fmr2_unit.flags = VIDEO_TUNER_LOW;
+ fmr2_unit.flags = V4L2_TUNER_CAP_LOW;
fmr2_unit.card_type = 0;
fmr2_radio.priv = &fmr2_unit;
@@ -396,7 +453,6 @@
}
printk(KERN_INFO "SF16FMR2 radio card driver at 0x%x.\n", io);
- debug_print((KERN_DEBUG "Mute %d Low %d\n",VIDEO_AUDIO_MUTE,VIDEO_TUNER_LOW));
/* mute card - prevents noisy bootups */
mutex_lock(&lock);
fmr2_mute(io);
