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
Родитель
55ac7b690f
Коммит
30c48305ba
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@ -286,7 +286,7 @@ config RADIO_TRUST_PORT
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config RADIO_TYPHOON
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tristate "Typhoon Radio (a.k.a. EcoRadio)"
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depends on ISA && VIDEO_V4L1
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depends on ISA && VIDEO_V4L2
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---help---
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Choose Y here if you have one of these FM radio cards, and then fill
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in the port address and the frequency used for muting below.
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@ -27,6 +27,8 @@
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* value where I do expect just noise and turn the speaker volume down.
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* The frequency change is necessary since the card never seems to be
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* completely silent.
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*
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* Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
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*/
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#include <linux/module.h> /* Modules */
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@ -35,10 +37,32 @@
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#include <linux/proc_fs.h> /* radio card status report */
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#include <asm/io.h> /* outb, outb_p */
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#include <asm/uaccess.h> /* copy to/from user */
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#include <linux/videodev.h> /* kernel radio structs */
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#include <linux/videodev2.h> /* kernel radio structs */
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#include <media/v4l2-common.h>
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#define BANNER "Typhoon Radio Card driver v0.1\n"
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#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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#define RADIO_VERSION KERNEL_VERSION(0,1,1)
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#define BANNER "Typhoon Radio Card driver v0.1.1\n"
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static struct v4l2_queryctrl radio_qctrl[] = {
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{
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.id = V4L2_CID_AUDIO_MUTE,
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.name = "Mute",
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.minimum = 0,
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.maximum = 1,
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.default_value = 1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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},{
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.id = V4L2_CID_AUDIO_VOLUME,
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.name = "Volume",
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.minimum = 0,
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.maximum = 65535,
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.step = 1<<14,
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.default_value = 0xff,
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.type = V4L2_CTRL_TYPE_INTEGER,
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}
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};
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#ifndef CONFIG_RADIO_TYPHOON_PORT
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#define CONFIG_RADIO_TYPHOON_PORT -1
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@ -170,76 +194,114 @@ static int typhoon_do_ioctl(struct inode *inode, struct file *file,
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struct typhoon_device *typhoon = dev->priv;
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switch (cmd) {
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case VIDIOCGCAP:
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case VIDIOC_QUERYCAP:
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{
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struct video_capability *v = arg;
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struct v4l2_capability *v = arg;
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memset(v,0,sizeof(*v));
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v->type = VID_TYPE_TUNER;
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v->channels = 1;
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v->audios = 1;
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strcpy(v->name, "Typhoon Radio");
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strlcpy(v->driver, "radio-typhoon", sizeof (v->driver));
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strlcpy(v->card, "Typhoon Radio", sizeof (v->card));
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sprintf(v->bus_info,"ISA");
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v->version = RADIO_VERSION;
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v->capabilities = V4L2_CAP_TUNER;
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return 0;
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}
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case VIDIOCGTUNER:
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case VIDIOC_G_TUNER:
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{
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struct video_tuner *v = arg;
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if (v->tuner) /* Only 1 tuner */
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struct v4l2_tuner *v = arg;
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if (v->index > 0)
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return -EINVAL;
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v->rangelow = 875 * 1600;
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v->rangehigh = 1080 * 1600;
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v->flags = VIDEO_TUNER_LOW;
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v->mode = VIDEO_MODE_AUTO;
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v->signal = 0xFFFF; /* We can't get the signal strength */
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memset(v,0,sizeof(*v));
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strcpy(v->name, "FM");
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v->type = V4L2_TUNER_RADIO;
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v->rangelow=(87.5*16000);
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v->rangehigh=(108*16000);
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v->rxsubchans =V4L2_TUNER_SUB_MONO;
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v->capability=V4L2_TUNER_CAP_LOW;
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v->audmode = V4L2_TUNER_MODE_MONO;
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v->signal = 0xFFFF; /* We can't get the signal strength */
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return 0;
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}
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case VIDIOCSTUNER:
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case VIDIOC_S_TUNER:
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{
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struct video_tuner *v = arg;
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if (v->tuner != 0)
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struct v4l2_tuner *v = arg;
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if (v->index > 0)
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return -EINVAL;
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/* Only 1 tuner so no setting needed ! */
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return 0;
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}
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case VIDIOCGFREQ:
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{
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unsigned long *freq = arg;
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*freq = typhoon->curfreq;
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return 0;
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}
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case VIDIOCSFREQ:
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{
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unsigned long *freq = arg;
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typhoon->curfreq = *freq;
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typhoon_setfreq(typhoon, typhoon->curfreq);
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return 0;
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}
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case VIDIOCGAUDIO:
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case VIDIOC_S_FREQUENCY:
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{
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struct video_audio *v = arg;
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memset(v, 0, sizeof(*v));
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v->flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME;
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v->mode |= VIDEO_SOUND_MONO;
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v->volume = typhoon->curvol;
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v->step = 1 << 14;
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strcpy(v->name, "Typhoon Radio");
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struct v4l2_frequency *f = arg;
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typhoon->curfreq = f->frequency;
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typhoon_setfreq(typhoon, typhoon->curfreq);
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return 0;
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}
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case VIDIOCSAUDIO:
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case VIDIOC_G_FREQUENCY:
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{
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struct video_audio *v = arg;
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if (v->audio)
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return -EINVAL;
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if (v->flags & VIDEO_AUDIO_MUTE)
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typhoon_mute(typhoon);
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else
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typhoon_unmute(typhoon);
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if (v->flags & VIDEO_AUDIO_VOLUME)
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typhoon_setvol(typhoon, v->volume);
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struct v4l2_frequency *f = arg;
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f->type = V4L2_TUNER_RADIO;
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f->frequency = typhoon->curfreq;
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return 0;
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}
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default:
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return -ENOIOCTLCMD;
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case VIDIOC_QUERYCTRL:
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{
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struct v4l2_queryctrl *qc = arg;
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int i;
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for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
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if (qc->id && qc->id == radio_qctrl[i].id) {
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memcpy(qc, &(radio_qctrl[i]),
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sizeof(*qc));
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return (0);
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}
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}
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return -EINVAL;
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}
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case VIDIOC_G_CTRL:
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{
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struct v4l2_control *ctrl= arg;
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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ctrl->value=typhoon->muted;
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return (0);
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case V4L2_CID_AUDIO_VOLUME:
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ctrl->value=typhoon->curvol;
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return (0);
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}
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return -EINVAL;
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}
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case VIDIOC_S_CTRL:
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{
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struct v4l2_control *ctrl= arg;
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (ctrl->value) {
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typhoon_mute(typhoon);
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} else {
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typhoon_unmute(typhoon);
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}
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return (0);
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case V4L2_CID_AUDIO_VOLUME:
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typhoon_setvol(typhoon, ctrl->value);
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return (0);
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}
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return -EINVAL;
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}
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default:
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return v4l_compat_translate_ioctl(inode,file,cmd,arg,
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typhon_do_ioctl);
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}
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}
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@ -270,7 +332,7 @@ static struct video_device typhoon_radio =
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.owner = THIS_MODULE,
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.name = "Typhoon Radio",
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.type = VID_TYPE_TUNER,
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.hardware = VID_HARDWARE_TYPHOON,
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.hardware = 0,
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.fops = &typhoon_fops,
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};
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