1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Driver for the Conexant CX25821 PCIe bridge 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2009 Conexant Systems Inc. 6*4882a593Smuzhiyun * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> 7*4882a593Smuzhiyun * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef CX25821_VIDEO_H_ 11*4882a593Smuzhiyun #define CX25821_VIDEO_H_ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/init.h> 14*4882a593Smuzhiyun #include <linux/list.h> 15*4882a593Smuzhiyun #include <linux/module.h> 16*4882a593Smuzhiyun #include <linux/moduleparam.h> 17*4882a593Smuzhiyun #include <linux/kmod.h> 18*4882a593Smuzhiyun #include <linux/kernel.h> 19*4882a593Smuzhiyun #include <linux/slab.h> 20*4882a593Smuzhiyun #include <linux/interrupt.h> 21*4882a593Smuzhiyun #include <linux/delay.h> 22*4882a593Smuzhiyun #include <linux/kthread.h> 23*4882a593Smuzhiyun #include <asm/div64.h> 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #include "cx25821.h" 26*4882a593Smuzhiyun #include <media/v4l2-common.h> 27*4882a593Smuzhiyun #include <media/v4l2-ioctl.h> 28*4882a593Smuzhiyun #include <media/v4l2-event.h> 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define VIDEO_DEBUG 0 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define dprintk(level, fmt, arg...) \ 33*4882a593Smuzhiyun do { \ 34*4882a593Smuzhiyun if (VIDEO_DEBUG >= level) \ 35*4882a593Smuzhiyun printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \ 36*4882a593Smuzhiyun } while (0) 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #define FORMAT_FLAGS_PACKED 0x01 39*4882a593Smuzhiyun extern void cx25821_video_wakeup(struct cx25821_dev *dev, 40*4882a593Smuzhiyun struct cx25821_dmaqueue *q, u32 count); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun extern int cx25821_start_video_dma(struct cx25821_dev *dev, 43*4882a593Smuzhiyun struct cx25821_dmaqueue *q, 44*4882a593Smuzhiyun struct cx25821_buffer *buf, 45*4882a593Smuzhiyun const struct sram_channel *channel); 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); 48*4882a593Smuzhiyun extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); 49*4882a593Smuzhiyun extern int cx25821_video_register(struct cx25821_dev *dev); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #endif 52