linux/drivers/media/pci/cx88/cx88-vbi.c

// SPDX-License-Identifier: GPL-2.0
/*
 */

#include "cx88.h"

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>

static unsigned int vbi_debug;
module_param(vbi_debug, int, 0644);
MODULE_PARM_DESC(…) …;

#define dprintk(level, fmt, arg...) …

/* ------------------------------------------------------------------ */

int cx8800_vbi_fmt(struct file *file, void *priv,
		   struct v4l2_format *f)
{ … }

static int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
				struct cx88_dmaqueue *q,
				struct cx88_buffer   *buf)
{ … }

void cx8800_stop_vbi_dma(struct cx8800_dev *dev)
{ … }

int cx8800_restart_vbi_queue(struct cx8800_dev    *dev,
			     struct cx88_dmaqueue *q)
{ … }

/* ------------------------------------------------------------------ */

static int queue_setup(struct vb2_queue *q,
		       unsigned int *num_buffers, unsigned int *num_planes,
		       unsigned int sizes[], struct device *alloc_devs[])
{ … }

static int buffer_prepare(struct vb2_buffer *vb)
{ … }

static void buffer_finish(struct vb2_buffer *vb)
{ … }

static void buffer_queue(struct vb2_buffer *vb)
{ … }

static int start_streaming(struct vb2_queue *q, unsigned int count)
{ … }

static void stop_streaming(struct vb2_queue *q)
{ … }

const struct vb2_ops cx8800_vbi_qops = …;