1/*
2 *  Driver for the Conexant CX25821 PCIe bridge
3 *
4 *  Copyright (C) 2009 Conexant Systems Inc.
5 *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
6 *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU General Public License as published by
10 *  the Free Software Foundation; either version 2 of the License, or
11 *  (at your option) any later version.
12 *
13 *  This program is distributed in the hope that it will be useful,
14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this program; if not, write to the Free Software
21 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24#ifndef CX25821_VIDEO_H_
25#define CX25821_VIDEO_H_
26
27#include <linux/init.h>
28#include <linux/list.h>
29#include <linux/module.h>
30#include <linux/moduleparam.h>
31#include <linux/kmod.h>
32#include <linux/kernel.h>
33#include <linux/slab.h>
34#include <linux/interrupt.h>
35#include <linux/delay.h>
36#include <linux/kthread.h>
37#include <asm/div64.h>
38
39#include "cx25821.h"
40#include <media/v4l2-common.h>
41#include <media/v4l2-ioctl.h>
42#include <media/v4l2-event.h>
43
44#define VIDEO_DEBUG 0
45
46#define dprintk(level, fmt, arg...)					\
47do {									\
48	if (VIDEO_DEBUG >= level)					\
49		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg);	\
50} while (0)
51
52#define FORMAT_FLAGS_PACKED       0x01
53extern void cx25821_video_wakeup(struct cx25821_dev *dev,
54				 struct cx25821_dmaqueue *q, u32 count);
55
56extern int cx25821_start_video_dma(struct cx25821_dev *dev,
57				   struct cx25821_dmaqueue *q,
58				   struct cx25821_buffer *buf,
59				   const struct sram_channel *channel);
60
61extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
62extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
63extern int cx25821_video_register(struct cx25821_dev *dev);
64
65#endif
66