C++ (Cpp) videobuf_mmap_mapper Examples

Example #1

File: saa7134-empress.c Project: KaZoom/buildroot-linux-kernel-m3

static int
ts_mmap(struct file *file, struct vm_area_struct * vma)
{
	struct saa7134_dev *dev = file->private_data;

	return videobuf_mmap_mapper(&dev->empress_tsq, vma);
}

Example #2

File: camera_core.c Project: GodFox/magx_kernel_xpixl

static int
camera_core_mmap(struct file *file, struct vm_area_struct *vma)
{
    struct camera_fh *fh = file->private_data;

    return videobuf_mmap_mapper(&fh->vbq, vma);
}

Example #3

File: vpif_display.c Project: Medvedroid/OT_903D-kernel-2.6.35.7

static int vpif_mmap(struct file *filep, struct vm_area_struct *vma)
{
	struct vpif_fh *fh = filep->private_data;
	struct common_obj *common = &fh->channel->common[VPIF_VIDEO_INDEX];

	return videobuf_mmap_mapper(&common->buffer_queue, vma);
}

Example #4

File: vpif_display.c Project: 119-org/hi3518-osdrv

/*
 * vpif_mmap: It is used to map kernel space buffers into user spaces
 */
static int vpif_mmap(struct file *filep, struct vm_area_struct *vma)
{
	struct vpif_fh *fh = filep->private_data;
	struct channel_obj *ch = fh->channel;
	struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]);

	vpif_dbg(2, debug, "vpif_mmap\n");

	return videobuf_mmap_mapper(&common->buffer_queue, vma);
}

Example #5

File: fimc-capture.c Project: mita/linux-2.6

static int fimc_capture_mmap(struct file *file, struct vm_area_struct *vma)
{
	struct fimc_ctx *ctx = file->private_data;
	struct fimc_dev *fimc = ctx->fimc_dev;
	struct fimc_vid_cap *cap = &fimc->vid_cap;
	int ret;

	if (mutex_lock_interruptible(&fimc->lock))
		return -ERESTARTSYS;

	ret = videobuf_mmap_mapper(&cap->vbq, vma);
	mutex_unlock(&fimc->lock);

	return ret;
}

Example #6

File: omap24xxcam.c Project: 03199618/linux

static int omap24xxcam_mmap(struct file *file, struct vm_area_struct *vma)
{
	struct omap24xxcam_fh *fh = file->private_data;
	int rval;

	/* let the video-buf mapper check arguments and set-up structures */
	rval = videobuf_mmap_mapper(&fh->vbq, vma);
	if (rval)
		return rval;

	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);

	/* do mapping to our allocated buffers */
	rval = omap24xxcam_mmap_buffers(file, vma);
	/*
	 * In case of error, free vma->vm_private_data allocated by
	 * videobuf_mmap_mapper.
	 */
	if (rval)
		kfree(vma->vm_private_data);

	return rval;
}

Example #7

File: solo6010-v4l2.c Project: Stefan-Schmidt/linux-2.6

static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
{
	struct solo_filehandle *fh = file->private_data;

	return videobuf_mmap_mapper(&fh->vidq, vma);
}

Example #8

File: myvivi.c Project: wareash/WDS_PRJ

static int myvivi_mmap(struct file *file, struct vm_area_struct *vma)
{
	return videobuf_mmap_mapper(&myvivi_vb_vidquene, vma);
}