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 void cx25821_video_wakeup(struct cx25821_dev *dev, 40 struct cx25821_dmaqueue *q, u32 count); 41 42 extern int cx25821_start_video_dma(struct cx25821_dev *dev, 43 struct cx25821_dmaqueue *q, 44 struct cx25821_buffer *buf, 45 const struct sram_channel *channel); 46 47 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); 48 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); 49 extern int cx25821_video_register(struct cx25821_dev *dev); 50 51 #endif 52
