LXR linux/drivers/media/pci/cx25821/cx25821-video.h

   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...)                                     \
  47do {                                                                    \
  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
  53extern void cx25821_video_wakeup(struct cx25821_dev *dev,
  54                                 struct cx25821_dmaqueue *q, u32 count);
  55
  56extern 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
  61extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
  62extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
  63extern int cx25821_video_register(struct cx25821_dev *dev);
  64
  65#endif
  66