1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Driver for the Conexant CX25821 PCIe bridge |
4 | * |
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 driver |
8 | */ |
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 0 |
31 | |
32 | #define dprintk(level, fmt, arg...) \ |
33 | do { \ |
34 | if (VIDEO_DEBUG >= level) \ |
35 | printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \ |
36 | } while (0) |
37 | |
38 | #define FORMAT_FLAGS_PACKED 0x01 |
39 | extern 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 | |
44 | extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); |
45 | extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); |
46 | extern int cx25821_video_register(struct cx25821_dev *dev); |
47 | |
48 | #endif |
49 | |