#include <linux/kernel.h>
#include <linux/version.h>
-#include <linux/videodev.h>
#include "pvrusb2-context.h"
#include "pvrusb2-hdw.h"
#include "pvrusb2.h"
#include "pvrusb2-v4l2.h"
#include "pvrusb2-ioread.h"
#include <linux/videodev2.h>
+#include <media/v4l2-dev.h>
#include <media/v4l2-common.h>
-/* Mike Isely <isely@pobox.com> 23-Sep-2006 - This function is prototyped
- * only for V4L1 but is implemented regardless of the V4L1 compatibility
- * option state. V4L2 has no replacement for this and we need it. For now
- * copy the prototype here so we can avoid the compiler warning. */
-extern struct video_device* video_devdata(struct file*);
-
struct pvr2_v4l2_dev;
struct pvr2_v4l2_fh;
struct pvr2_v4l2;
-
struct pvr2_v4l2_dev {
+ struct video_device devbase; /* MUST be first! */
struct pvr2_v4l2 *v4lp;
- struct video_device *vdev;
struct pvr2_context_stream *stream;
enum pvr2_config config;
};
struct v4l2_prio_state prio;
/* streams */
- struct pvr2_v4l2_dev video_dev;
+ struct pvr2_v4l2_dev *vdev;
};
static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
ret = 0;
break;
}
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ case VIDIOC_INT_G_REGISTER:
+ case VIDIOC_INT_S_REGISTER:
+ {
+ u32 val;
+ struct v4l2_register *req = (struct v4l2_register *)arg;
+ if (cmd == VIDIOC_INT_S_REGISTER) val = req->val;
+ ret = pvr2_hdw_register_access(
+ hdw,req->i2c_id,req->reg,
+ cmd == VIDIOC_INT_S_REGISTER,&val);
+ if (cmd == VIDIOC_INT_G_REGISTER) req->val = val;
+ break;
+ }
+#endif
default :
ret = v4l_compat_translate_ioctl(inode,file,cmd,
static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
{
printk(KERN_INFO "pvrusb2: unregistering device video%d [%s]\n",
- dip->vdev->minor,pvr2_config_get_name(dip->config));
- video_unregister_device(dip->vdev);
+ dip->devbase.minor,pvr2_config_get_name(dip->config));
+
+ /* Paranoia */
+ dip->v4lp = NULL;
+ dip->stream = NULL;
+
+ /* Actual deallocation happens later when all internal references
+ are gone. */
+ video_unregister_device(&dip->devbase);
}
static void pvr2_v4l2_destroy_no_lock(struct pvr2_v4l2 *vp)
{
pvr2_hdw_v4l_store_minor_number(vp->channel.mc_head->hdw,-1);
- pvr2_v4l2_dev_destroy(&vp->video_dev);
+ pvr2_v4l2_dev_destroy(vp->vdev);
pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr2_v4l2 id=%p",vp);
pvr2_channel_done(&vp->channel);
}
+static void pvr2_video_device_release(struct video_device *vdev)
+{
+ struct pvr2_v4l2_dev *dev;
+ dev = container_of(vdev,struct pvr2_v4l2_dev,devbase);
+ kfree(dev);
+}
+
+
static void pvr2_v4l2_internal_check(struct pvr2_channel *chp)
{
struct pvr2_v4l2 *vp;
static int pvr2_v4l2_open(struct inode *inode, struct file *file)
{
- struct pvr2_v4l2_dev *dip = NULL; /* Our own context pointer */
+ struct pvr2_v4l2_dev *dip; /* Our own context pointer */
struct pvr2_v4l2_fh *fhp;
struct pvr2_v4l2 *vp;
struct pvr2_hdw *hdw;
- {
- struct video_device *vdev = video_devdata(file);
- dip = (struct pvr2_v4l2_dev *)video_get_drvdata(vdev);
- }
-
- if (!dip) return -ENODEV; /* Should be impossible but I'm paranoid */
+ dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase);
vp = dip->v4lp;
hdw = vp->channel.hdw;
return;
}
- dip->vdev = video_device_alloc();
- if (!dip->vdev) {
- err("Alloc of pvrusb2 v4l video device failed");
- return;
- }
-
- memcpy(dip->vdev,&vdev_template,sizeof(vdev_template));
- dip->vdev->release = video_device_release;
- video_set_drvdata(dip->vdev,dip);
+ memcpy(&dip->devbase,&vdev_template,sizeof(vdev_template));
+ dip->devbase.release = pvr2_video_device_release;
mindevnum = -1;
unit_number = pvr2_hdw_get_unit_number(vp->channel.mc_head->hdw);
if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
mindevnum = video_nr[unit_number];
}
- if ((video_register_device(dip->vdev, v4l_type, mindevnum) < 0) &&
- (video_register_device(dip->vdev, v4l_type, -1) < 0)) {
+ if ((video_register_device(&dip->devbase, v4l_type, mindevnum) < 0) &&
+ (video_register_device(&dip->devbase, v4l_type, -1) < 0)) {
err("Failed to register pvrusb2 v4l video device");
} else {
printk(KERN_INFO "pvrusb2: registered device video%d [%s]\n",
- dip->vdev->minor,pvr2_config_get_name(dip->config));
+ dip->devbase.minor,pvr2_config_get_name(dip->config));
}
-
pvr2_hdw_v4l_store_minor_number(vp->channel.mc_head->hdw,
- dip->vdev->minor);
+ dip->devbase.minor);
}
vp = kmalloc(sizeof(*vp),GFP_KERNEL);
if (!vp) return vp;
memset(vp,0,sizeof(*vp));
+ vp->vdev = kmalloc(sizeof(*vp->vdev),GFP_KERNEL);
+ if (!vp->vdev) {
+ kfree(vp);
+ return NULL;
+ }
+ memset(vp->vdev,0,sizeof(*vp->vdev));
pvr2_channel_init(&vp->channel,mnp);
pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr2_v4l2 id=%p",vp);
vp->channel.check_func = pvr2_v4l2_internal_check;
/* register streams */
- pvr2_v4l2_dev_init(&vp->video_dev,vp,pvr2_config_mpeg);
-
+ pvr2_v4l2_dev_init(vp->vdev,vp,pvr2_config_mpeg);
return vp;
}