ppc405_gpio.h

1、基于韩国at2041芯片开发的Linux环境的DVR代码。 2、以原来代码进行了修改。 3、主要修改网络通讯出现异常问题处理 4、硬盘覆盖录像不起作用

/*
 * FILE NAME gpio.h
 *
 * BRIEF MODULE DESCRIPTION
 *	Generic gpio.
 *
 *  Armin Kuster [e-mail] or [e-mail]
 *  Sept, 2001
 *
 *  Orignial driver
 *  Author: MontaVista Software, Inc.  <[e-mail]>
 *          Frank Rowand <[e-mail]>
 *
 * Copyright 2000 MontaVista Software Inc.
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the  GNU General Public License along
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __PPC405_GPIO_H
#define __PPC405_GPIO_H

#include <linux/ioctl.h>

#define	PPC405GPIO_IOCTL_BASE	 'Z'

struct ppc405gpio_ioctl_data {
	unsigned int device;
	unsigned int mask;
	unsigned int data;
};
enum {
	PPC405GPIO_IN,
	PPC405GPIO_OUT,
	PPC405GPIO_OPEN_DRAIN,
	PPC405GPIO_TRISTATE
};

#if 0
#define GPIO_MINOR             185
#define PPC405GPIO_IN		_IOWR(PPC405GPIO_IOCTL_BASE, 0, struct ppc405gpio_ioctl_data)
#define PPC405GPIO_OUT		_IOW (PPC405GPIO_IOCTL_BASE, 1, struct ppc405gpio_ioctl_data)
#define PPC405GPIO_OPEN_DRAIN	_IOW (PPC405GPIO_IOCTL_BASE, 2, struct ppc405gpio_ioctl_data)
#define PPC405GPIO_TRISTATE	_IOW (PPC405GPIO_IOCTL_BASE, 3, struct ppc405gpio_ioctl_data)
#endif

#endif