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V4L/DVB (5623): Dsbr100.c Replace usb_dsbr100_do_ioctl to use video_ioctl2
Convert dsbr100 to use video_ioctl2 Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Douglas Landgraf
Mauro Carvalho Chehab
parent
2437c6d47c
commit
7002a4f350
1 changed files with 203 additions and 176 deletions
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@ -33,6 +33,10 @@
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History:
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Version 0.42:
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Converted dsbr100 to use video_ioctl2
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by Douglas Landgraf <dougsland@gmail.com>
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Version 0.41-ac1:
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Alan Cox: Some cleanups and fixes
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@ -121,8 +125,6 @@ devices, that would be 76 and 91. */
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static int usb_dsbr100_probe(struct usb_interface *intf,
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const struct usb_device_id *id);
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static void usb_dsbr100_disconnect(struct usb_interface *intf);
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static int usb_dsbr100_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg);
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static int usb_dsbr100_open(struct inode *inode, struct file *file);
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static int usb_dsbr100_close(struct inode *inode, struct file *file);
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@ -142,26 +144,6 @@ struct dsbr100_device {
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};
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/* File system interface */
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static const struct file_operations usb_dsbr100_fops = {
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.owner = THIS_MODULE,
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.open = usb_dsbr100_open,
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.release = usb_dsbr100_close,
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.ioctl = usb_dsbr100_ioctl,
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.compat_ioctl = v4l_compat_ioctl32,
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.llseek = no_llseek,
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};
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/* V4L interface */
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static struct video_device dsbr100_videodev_template=
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{
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.owner = THIS_MODULE,
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.name = "D-Link DSB-R 100",
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.type = VID_TYPE_TUNER,
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.fops = &usb_dsbr100_fops,
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.release = video_device_release,
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};
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static struct usb_device_id usb_dsbr100_device_table [] = {
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{ USB_DEVICE(DSB100_VENDOR, DSB100_PRODUCT) },
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{ } /* Terminating entry */
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@ -252,37 +234,6 @@ static void dsbr100_getstat(struct dsbr100_device *radio)
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/* USB subsystem interface begins here */
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/* check if the device is present and register with v4l and
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usb if it is */
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static int usb_dsbr100_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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struct dsbr100_device *radio;
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if (!(radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL)))
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return -ENOMEM;
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if (!(radio->videodev = video_device_alloc())) {
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kfree(radio);
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return -ENOMEM;
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}
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memcpy(radio->videodev, &dsbr100_videodev_template,
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sizeof(dsbr100_videodev_template));
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radio->removed = 0;
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radio->users = 0;
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radio->usbdev = interface_to_usbdev(intf);
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radio->curfreq = FREQ_MIN*FREQ_MUL;
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video_set_drvdata(radio->videodev, radio);
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if (video_register_device(radio->videodev, VFL_TYPE_RADIO,
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radio_nr)) {
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warn("Could not register video device");
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video_device_release(radio->videodev);
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kfree(radio);
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return -EIO;
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}
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usb_set_intfdata(intf, radio);
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return 0;
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}
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/* handle unplugging of the device, release data structures
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if nothing keeps us from doing it. If something is still
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keeping us busy, the release callback of v4l will take care
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@ -307,133 +258,147 @@ static void usb_dsbr100_disconnect(struct usb_interface *intf)
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}
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/* Video for Linux interface */
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static int usb_dsbr100_do_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, void *arg)
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static int vidioc_querycap(struct file *file, void *priv,
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struct v4l2_capability *v)
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{
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struct dsbr100_device *radio=video_get_drvdata(video_devdata(file));
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if (!radio)
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return -EIO;
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switch(cmd) {
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case VIDIOC_QUERYCAP:
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{
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struct v4l2_capability *v = arg;
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memset(v,0,sizeof(*v));
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strlcpy(v->driver, "dsbr100", sizeof (v->driver));
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strlcpy(v->card, "D-Link R-100 USB FM 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 VIDIOC_G_TUNER:
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{
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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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dsbr100_getstat(radio);
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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 = FREQ_MIN*FREQ_MUL;
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v->rangehigh = FREQ_MAX*FREQ_MUL;
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v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
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v->capability=V4L2_TUNER_CAP_LOW;
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if(radio->stereo)
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v->audmode = V4L2_TUNER_MODE_STEREO;
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else
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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 VIDIOC_S_TUNER:
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{
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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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return 0;
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}
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case VIDIOC_S_FREQUENCY:
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{
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struct v4l2_frequency *f = arg;
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radio->curfreq = f->frequency;
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if (dsbr100_setfreq(radio, radio->curfreq)==-1)
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warn("Set frequency failed");
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return 0;
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}
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case VIDIOC_G_FREQUENCY:
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{
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struct v4l2_frequency *f = arg;
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f->type = V4L2_TUNER_RADIO;
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f->frequency = radio->curfreq;
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return 0;
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}
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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=radio->muted;
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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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if (dsbr100_stop(radio)==-1)
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warn("Radio did not respond properly");
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} else {
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if (dsbr100_start(radio)==-1)
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warn("Radio did not respond properly");
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}
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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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usb_dsbr100_do_ioctl);
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}
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strlcpy(v->driver, "dsbr100", sizeof(v->driver));
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strlcpy(v->card, "D-Link R-100 USB FM 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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static int usb_dsbr100_ioctl(struct inode *inode, struct file *file,
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unsigned int cmd, unsigned long arg)
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static int vidioc_g_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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return video_usercopy(inode, file, cmd, arg, usb_dsbr100_do_ioctl);
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struct dsbr100_device *radio = video_get_drvdata(video_devdata(file));
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if (v->index > 0)
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return -EINVAL;
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dsbr100_getstat(radio);
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strcpy(v->name, "FM");
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v->type = V4L2_TUNER_RADIO;
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v->rangelow = FREQ_MIN*FREQ_MUL;
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v->rangehigh = FREQ_MAX*FREQ_MUL;
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v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
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v->capability = V4L2_TUNER_CAP_LOW;
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if(radio->stereo)
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v->audmode = V4L2_TUNER_MODE_STEREO;
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else
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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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static int vidioc_s_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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if (v->index > 0)
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return -EINVAL;
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return 0;
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}
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static int vidioc_s_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct dsbr100_device *radio = video_get_drvdata(video_devdata(file));
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radio->curfreq = f->frequency;
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if (dsbr100_setfreq(radio, radio->curfreq)==-1)
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warn("Set frequency failed");
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return 0;
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}
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static int vidioc_g_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct dsbr100_device *radio = video_get_drvdata(video_devdata(file));
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f->type = V4L2_TUNER_RADIO;
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f->frequency = radio->curfreq;
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return 0;
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}
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static int vidioc_queryctrl(struct file *file, void *priv,
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struct v4l2_queryctrl *qc)
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{
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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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static int vidioc_g_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct dsbr100_device *radio = video_get_drvdata(video_devdata(file));
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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ctrl->value = radio->muted;
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return 0;
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}
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return -EINVAL;
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}
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static int vidioc_s_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct dsbr100_device *radio = video_get_drvdata(video_devdata(file));
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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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if (dsbr100_stop(radio)==-1)
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warn("Radio did not respond properly");
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} else {
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if (dsbr100_start(radio)==-1)
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warn("Radio did not respond properly");
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}
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return 0;
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}
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return -EINVAL;
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}
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static int vidioc_g_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index > 1)
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return -EINVAL;
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strcpy(a->name, "Radio");
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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{
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*i = 0;
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return 0;
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}
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static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
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{
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if (i != 0)
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return -EINVAL;
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return 0;
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}
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static int vidioc_s_audio(struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index != 0)
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return -EINVAL;
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return 0;
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}
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static int usb_dsbr100_open(struct inode *inode, struct file *file)
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@ -465,6 +430,68 @@ static int usb_dsbr100_close(struct inode *inode, struct file *file)
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return 0;
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}
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/* File system interface */
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static const struct file_operations usb_dsbr100_fops = {
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.owner = THIS_MODULE,
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.open = usb_dsbr100_open,
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.release = usb_dsbr100_close,
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.ioctl = video_ioctl2,
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.compat_ioctl = v4l_compat_ioctl32,
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.llseek = no_llseek,
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};
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/* V4L2 interface */
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static struct video_device dsbr100_videodev_template =
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{
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.owner = THIS_MODULE,
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.name = "D-Link DSB-R 100",
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.type = VID_TYPE_TUNER,
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.fops = &usb_dsbr100_fops,
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.release = video_device_release,
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.vidioc_querycap = vidioc_querycap,
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.vidioc_g_tuner = vidioc_g_tuner,
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.vidioc_s_tuner = vidioc_s_tuner,
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.vidioc_g_frequency = vidioc_g_frequency,
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.vidioc_s_frequency = vidioc_s_frequency,
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.vidioc_queryctrl = vidioc_queryctrl,
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.vidioc_g_ctrl = vidioc_g_ctrl,
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.vidioc_s_ctrl = vidioc_s_ctrl,
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.vidioc_g_audio = vidioc_g_audio,
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.vidioc_s_audio = vidioc_s_audio,
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.vidioc_g_input = vidioc_g_input,
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.vidioc_s_input = vidioc_s_input,
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};
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/* check if the device is present and register with v4l and
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usb if it is */
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static int usb_dsbr100_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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struct dsbr100_device *radio;
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if (!(radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL)))
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return -ENOMEM;
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if (!(radio->videodev = video_device_alloc())) {
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kfree(radio);
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return -ENOMEM;
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}
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memcpy(radio->videodev, &dsbr100_videodev_template,
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sizeof(dsbr100_videodev_template));
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radio->removed = 0;
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radio->users = 0;
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radio->usbdev = interface_to_usbdev(intf);
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radio->curfreq = FREQ_MIN*FREQ_MUL;
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video_set_drvdata(radio->videodev, radio);
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if (video_register_device(radio->videodev, VFL_TYPE_RADIO,radio_nr)) {
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warn("Could not register video device");
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video_device_release(radio->videodev);
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kfree(radio);
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return -EIO;
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}
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usb_set_intfdata(intf, radio);
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return 0;
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}
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static int __init dsbr100_init(void)
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{
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int retval = usb_register(&usb_dsbr100_driver);
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