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path: root/drivers/media/video/cx88/cx88-video.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
-rw-r--r--drivers/media/video/cx88/cx88-video.c68
1 files changed, 28 insertions, 40 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index d7e8fcee559c..48c450f4a85a 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -75,10 +75,6 @@ MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
#define dprintk(level,fmt, arg...) if (video_debug >= level) \
printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
-/* ------------------------------------------------------------------ */
-
-static LIST_HEAD(cx8800_devlist);
-
/* ------------------------------------------------------------------- */
/* static data */
@@ -753,38 +749,31 @@ static int get_ressource(struct cx8800_fh *fh)
static int video_open(struct file *file)
{
- int minor = video_devdata(file)->minor;
- struct cx8800_dev *h,*dev = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core;
struct cx8800_fh *fh;
enum v4l2_buf_type type = 0;
int radio = 0;
- lock_kernel();
- list_for_each_entry(h, &cx8800_devlist, devlist) {
- if (h->video_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- if (h->vbi_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- }
- if (h->radio_dev &&
- h->radio_dev->minor == minor) {
- radio = 1;
- dev = h;
- }
- }
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
+ type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ break;
+ case VFL_TYPE_VBI:
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ break;
+ case VFL_TYPE_RADIO:
+ radio = 1;
+ break;
}
+ lock_kernel();
+
core = dev->core;
- dprintk(1,"open minor=%d radio=%d type=%s\n",
- minor,radio,v4l2_type_names[type]);
+ dprintk(1, "open dev=%s radio=%d type=%s\n",
+ video_device_node_name(vdev), radio, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh),GFP_KERNEL);
@@ -1733,7 +1722,6 @@ static struct video_device cx8800_vbi_template;
static struct video_device cx8800_video_template = {
.name = "cx8800-video",
.fops = &video_fops,
- .minor = -1,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX88_NORMS,
.current_norm = V4L2_STD_NTSC_M,
@@ -1769,7 +1757,6 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
static struct video_device cx8800_radio_template = {
.name = "cx8800-radio",
.fops = &radio_fops,
- .minor = -1,
.ioctl_ops = &radio_ioctl_ops,
};
@@ -1778,21 +1765,21 @@ static struct video_device cx8800_radio_template = {
static void cx8800_unregister_video(struct cx8800_dev *dev)
{
if (dev->radio_dev) {
- if (-1 != dev->radio_dev->minor)
+ if (video_is_registered(dev->radio_dev))
video_unregister_device(dev->radio_dev);
else
video_device_release(dev->radio_dev);
dev->radio_dev = NULL;
}
if (dev->vbi_dev) {
- if (-1 != dev->vbi_dev->minor)
+ if (video_is_registered(dev->vbi_dev))
video_unregister_device(dev->vbi_dev);
else
video_device_release(dev->vbi_dev);
dev->vbi_dev = NULL;
}
if (dev->video_dev) {
- if (-1 != dev->video_dev->minor)
+ if (video_is_registered(dev->video_dev))
video_unregister_device(dev->video_dev);
else
video_device_release(dev->video_dev);
@@ -1909,6 +1896,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
/* register v4l devices */
dev->video_dev = cx88_vdev_init(core,dev->pci,
&cx8800_video_template,"video");
+ video_set_drvdata(dev->video_dev, dev);
err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
video_nr[core->nr]);
if (err < 0) {
@@ -1916,10 +1904,11 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
core->name);
goto fail_unreg;
}
- printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
- core->name, dev->video_dev->num);
+ printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
+ core->name, video_device_node_name(dev->video_dev));
dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
+ video_set_drvdata(dev->vbi_dev, dev);
err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
vbi_nr[core->nr]);
if (err < 0) {
@@ -1927,12 +1916,13 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
core->name);
goto fail_unreg;
}
- printk(KERN_INFO "%s/0: registered device vbi%d\n",
- core->name, dev->vbi_dev->num);
+ printk(KERN_INFO "%s/0: registered device %s\n",
+ core->name, video_device_node_name(dev->vbi_dev));
if (core->board.radio.type == CX88_RADIO) {
dev->radio_dev = cx88_vdev_init(core,dev->pci,
&cx8800_radio_template,"radio");
+ video_set_drvdata(dev->radio_dev, dev);
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
radio_nr[core->nr]);
if (err < 0) {
@@ -1940,12 +1930,11 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
core->name);
goto fail_unreg;
}
- printk(KERN_INFO "%s/0: registered device radio%d\n",
- core->name, dev->radio_dev->num);
+ printk(KERN_INFO "%s/0: registered device %s\n",
+ core->name, video_device_node_name(dev->radio_dev));
}
/* everything worked */
- list_add_tail(&dev->devlist,&cx8800_devlist);
pci_set_drvdata(pci_dev,dev);
/* initial device configuration */
@@ -2001,7 +1990,6 @@ static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
/* free memory */
btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
- list_del(&dev->devlist);
cx88_core_put(core,dev->pci);
kfree(dev);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 16:46:43 +0000