/* Filename : $RCSfile: uio48.h,v $
 *
 * The declarations here have to be in a header file, 
 * because they need to be known both to the kernel 
 * module (in chardev.c) and the process calling ioctl 
 * (ioctl.c)
 */

/*
 * $Log: uio48.h,v $
 * Revision 1.1  2005/04/22 20:12:06  steve
 * Initial revision
 *
*
*/

#ifndef CHARDEV_H
#define CHARDEV_H

#include <linux/ioctl.h> 


/* The major device number. We can't rely on dynamic 
 * registration any more, because ioctls need to know 
 * it. */


#define MAX_CHIPS 6

/* Set the message of the device driver */

#define IOCTL_SET_MSG _IOR(MAJOR_NUM, 0, char *)

/* _IOR means that we're creating an ioctl command 
 * number for passing information from a user process
 * to the kernel module. 
 *
 * The first arguments, MAJOR_NUM, is the major device 
 * number we're using.
 *
 * The second argument is the number of the command 
 * (there could be several with different meanings).
 *
 * The third argument is the type we want to get from 
 * the process to the kernel.
 */

/* Read the Port fromn the UIO48 */

#define IOCTL_READ_PORT _IOWR(MAJOR_NUM, 1, int)

/* Write to the UIO48 Port */

#define IOCTL_WRITE_PORT _IOWR(MAJOR_NUM, 2, int)


/* Bit read function */

#define IOCTL_READ_BIT _IOWR(MAJOR_NUM,3, int)


/* Write bit function */

#define IOCTL_WRITE_BIT _IOWR(MAJOR_NUM, 4, int)

/* Set Bit function */

#define IOCTL_SET_BIT _IOWR(MAJOR_NUM, 5, int)

/* Clear bit function */

#define IOCTL_CLR_BIT _IOWR(MAJOR_NUM, 8, int)

/* Enab_int function */

#define IOCTL_ENAB_INT _IOWR(MAJOR_NUM, 9, char *)

/* DISAB_INT function */

#define IOCTL_DISAB_INT _IOWR(MAJOR_NUM,10,int)

/* CLR_INT function */

#define IOCTL_CLR_INT _IOWR(MAJOR_NUM,11,int)

/* GET_INT function */

#define IOCTL_GET_INT _IOWR(MAJOR_NUM,12,int)


/* WAIT_INT function */

#define IOCTL_WAIT_INT _IOWR(MAJOR_NUM,13,int)

/* The name of the device file */

#define DEVICE_FILE_NAME "uio48"


#endif