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 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 */ 23 24 #ifndef CX25821_VIDEO_H_ 25 #define CX25821_VIDEO_H_ 26 27 #include <linux/init.h> 28 #include <linux/list.h> 29 #include <linux/module.h> 30 #include <linux/moduleparam.h> 31 #include <linux/kmod.h> 32 #include <linux/kernel.h> 33 #include <linux/slab.h> 34 #include <linux/interrupt.h> 35 #include <linux/delay.h> 36 #include <linux/kthread.h> 37 #include <asm/div64.h> 38 39 #include "cx25821.h" 40 #include <media/v4l2-common.h> 41 #include <media/v4l2-ioctl.h> 42 #include <media/v4l2-event.h> 43 44 #define VIDEO_DEBUG 0 45 46 #define dprintk(level, fmt, arg...) \ 47 do { \ 48 if (VIDEO_DEBUG >= level) \ 49 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \ 50 } while (0) 51 52 #define FORMAT_FLAGS_PACKED 0x01 53 extern void cx25821_video_wakeup(struct cx25821_dev *dev, 54 struct cx25821_dmaqueue *q, u32 count); 55 56 extern int cx25821_start_video_dma(struct cx25821_dev *dev, 57 struct cx25821_dmaqueue *q, 58 struct cx25821_buffer *buf, 59 const struct sram_channel *channel); 60 61 extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status); 62 extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num); 63 extern int cx25821_video_register(struct cx25821_dev *dev); 64 65 #endif 66