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 
20 #ifndef CX25821_VIDEO_H_
21 #define CX25821_VIDEO_H_
22 
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/moduleparam.h>
27 #include <linux/kmod.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30 #include <linux/interrupt.h>
31 #include <linux/delay.h>
32 #include <linux/kthread.h>
33 #include <asm/div64.h>
34 
35 #include "cx25821.h"
36 #include <media/v4l2-common.h>
37 #include <media/v4l2-ioctl.h>
38 #include <media/v4l2-event.h>
39 
40 #define VIDEO_DEBUG 0
41 
42 #define dprintk(level, fmt, arg...)					\
43 do {									\
44 	if (VIDEO_DEBUG >= level)					\
45 		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg);	\
46 } while (0)
47 
48 #define FORMAT_FLAGS_PACKED       0x01
49 extern void cx25821_video_wakeup(struct cx25821_dev *dev,
50 				 struct cx25821_dmaqueue *q, u32 count);
51 
52 extern int cx25821_start_video_dma(struct cx25821_dev *dev,
53 				   struct cx25821_dmaqueue *q,
54 				   struct cx25821_buffer *buf,
55 				   const struct sram_channel *channel);
56 
57 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
58 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
59 extern int cx25821_video_register(struct cx25821_dev *dev);
60 
61 #endif
62