| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Driver for the Conexant CX25821 PCIe bridge |
| * |
| * Copyright (C) 2009 Conexant Systems Inc. |
| * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> |
| * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver |
| */ |
| |
| #ifndef CX25821_VIDEO_H_ |
| #define CX25821_VIDEO_H_ |
| |
| #include <linux/init.h> |
| #include <linux/list.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/kmod.h> |
| #include <linux/kernel.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/delay.h> |
| #include <linux/kthread.h> |
| #include <asm/div64.h> |
| |
| #include "cx25821.h" |
| #include <media/v4l2-common.h> |
| #include <media/v4l2-ioctl.h> |
| #include <media/v4l2-event.h> |
| |
| #define VIDEO_DEBUG 0 |
| |
| #define dprintk(level, fmt, arg...) \ |
| do { \ |
| if (VIDEO_DEBUG >= level) \ |
| printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \ |
| } while (0) |
| |
| #define FORMAT_FLAGS_PACKED 0x01 |
| extern void cx25821_video_wakeup(struct cx25821_dev *dev, |
| struct cx25821_dmaqueue *q, u32 count); |
| |
| extern int cx25821_start_video_dma(struct cx25821_dev *dev, |
| struct cx25821_dmaqueue *q, |
| struct cx25821_buffer *buf, |
| const struct sram_channel *channel); |
| |
| extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); |
| extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); |
| extern int cx25821_video_register(struct cx25821_dev *dev); |
| |
| #endif |