49 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Driver for the Conexant CX25821 PCIe bridge4 *5 * Copyright (C) 2009 Conexant Systems Inc.6 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>7 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver8 */9 10#ifndef CX25821_VIDEO_H_11#define CX25821_VIDEO_H_12 13#include <linux/init.h>14#include <linux/list.h>15#include <linux/module.h>16#include <linux/moduleparam.h>17#include <linux/kmod.h>18#include <linux/kernel.h>19#include <linux/slab.h>20#include <linux/interrupt.h>21#include <linux/delay.h>22#include <linux/kthread.h>23#include <asm/div64.h>24 25#include "cx25821.h"26#include <media/v4l2-common.h>27#include <media/v4l2-ioctl.h>28#include <media/v4l2-event.h>29 30#define VIDEO_DEBUG 031 32#define dprintk(level, fmt, arg...) \33do { \34 if (VIDEO_DEBUG >= level) \35 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \36} while (0)37 38#define FORMAT_FLAGS_PACKED 0x0139extern int cx25821_start_video_dma(struct cx25821_dev *dev,40 struct cx25821_dmaqueue *q,41 struct cx25821_buffer *buf,42 const struct sram_channel *channel);43 44extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);45extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);46extern int cx25821_video_register(struct cx25821_dev *dev);47 48#endif49