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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>
This commit is contained in:
Mauro Carvalho Chehab 2006-08-08 09:10:04 -03:00
parent 55ac7b690f
commit 30c48305ba
2 changed files with 117 additions and 55 deletions
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2
drivers/media/radio/Kconfig
View File

@ -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.

170
drivers/media/radio/radio-typhoon.c
View File

@ -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,
};