diff options
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 13 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 27 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134.h | 1 |
3 files changed, 35 insertions, 6 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index be85e0b0cbb..58e568d7d2e 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -66,8 +66,8 @@ static unsigned int latency = UNSET; module_param(latency, int, 0444); MODULE_PARM_DESC(latency,"pci latency timer"); -static int no_overlay=-1; -module_param(no_overlay, int, 0444); +int saa7134_no_overlay=-1; +module_param_named(no_overlay, saa7134_no_overlay, int, 0444); MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)" " [some VIA/SIS chipsets are known to have problem with overlay]"); @@ -843,11 +843,11 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, printk(KERN_INFO "%s: quirk: this driver and your " "chipset may not work together" " in overlay mode.\n",dev->name); - if (!no_overlay) { + if (!saa7134_no_overlay) { printk(KERN_INFO "%s: quirk: overlay " "mode will be disabled.\n", dev->name); - no_overlay = 1; + saa7134_no_overlay = 1; } else { printk(KERN_INFO "%s: quirk: overlay " "mode will be forced. Use this" @@ -957,6 +957,11 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, v4l2_prio_init(&dev->prio); /* register v4l devices */ + if (saa7134_no_overlay <= 0) { + saa7134_video_template.type |= VID_TYPE_OVERLAY; + } else { + printk("bttv: Overlay support disabled.\n"); + } dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, video_nr[dev->nr]); diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 600c3c7e3dc..57a11e71d99 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -1462,6 +1462,10 @@ static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, f->fmt.pix.height * f->fmt.pix.bytesperline; return 0; case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (saa7134_no_overlay > 0) { + printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } f->fmt.win = fh->win; return 0; case V4L2_BUF_TYPE_VBI_CAPTURE: @@ -1526,6 +1530,10 @@ static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, return 0; } case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (saa7134_no_overlay > 0) { + printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } err = verify_preview(dev,&f->fmt.win); if (0 != err) return err; @@ -1556,6 +1564,10 @@ static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, fh->cap.field = f->fmt.pix.field; return 0; case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (saa7134_no_overlay > 0) { + printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } err = verify_preview(dev,&f->fmt.win); if (0 != err) return err; @@ -1715,11 +1727,13 @@ static int video_do_ioctl(struct inode *inode, struct file *file, cap->version = SAA7134_VERSION_CODE; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_TUNER; + if (saa7134_no_overlay <= 0) { + cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; + } if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET)) cap->capabilities &= ~V4L2_CAP_TUNER; @@ -1970,6 +1984,10 @@ static int video_do_ioctl(struct inode *inode, struct file *file, switch (type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (saa7134_no_overlay > 0) { + printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); + return -EINVAL; + } if (index >= FORMATS) return -EINVAL; if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY && @@ -2030,6 +2048,11 @@ static int video_do_ioctl(struct inode *inode, struct file *file, int *on = arg; if (*on) { + if (saa7134_no_overlay > 0) { + printk ("no_overlay\n"); + return -EINVAL; + } + if (!res_get(dev,fh,RESOURCE_OVERLAY)) return -EBUSY; spin_lock_irqsave(&dev->slock,flags); @@ -2281,7 +2304,7 @@ static struct file_operations radio_fops = struct video_device saa7134_video_template = { .name = "saa7134-video", - .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY| + .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| VID_TYPE_CLIPPING|VID_TYPE_SCALES, .hardware = 0, .fops = &video_fops, diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 683e785c18b..17ba34f3076 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -557,6 +557,7 @@ struct saa7134_dev { /* saa7134-core.c */ extern struct list_head saa7134_devlist; +extern int saa7134_no_overlay; void saa7134_track_gpio(struct saa7134_dev *dev, char *msg); |