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#ifndef _GAMEPORT_H

#define _GAMEPORT_H

/*

 * $Id: gameport.h,v 1.1.1.1 2004-04-15 02:36:57 phoenix Exp $

 *

 *  Copyright (c) 1999-2000 Vojtech Pavlik

 *

 *  Sponsored by SuSE

 */

/*

 * 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 program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 *

 * Should you need to contact me, the author, you can do so either by

 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:

 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic

 */

#include <linux/sched.h>

#include <linux/delay.h>

#include <asm/io.h>

struct gameport;

struct gameport {

        void *private;

        void *driver;

        int number;

        int io;

        int speed;

        int fuzz;

        void (*trigger)(struct gameport *);

        unsigned char (*read)(struct gameport *);

        int (*cooked_read)(struct gameport *, int *, int *);

        int (*calibrate)(struct gameport *, int *, int *);

        int (*open)(struct gameport *, int);

        void (*close)(struct gameport *);

        struct gameport_dev *dev;

        struct gameport *next;

};

struct gameport_dev {

        void *private;

        void (*connect)(struct gameport *, struct gameport_dev *dev);

        void (*disconnect)(struct gameport *);

        struct gameport_dev *next;

};

int gameport_open(struct gameport *gameport, struct gameport_dev *dev, int mode);

void gameport_close(struct gameport *gameport);

void gameport_rescan(struct gameport *gameport);

#if defined(CONFIG_INPUT_GAMEPORT) || defined(CONFIG_INPUT_GAMEPORT_MODULE)

void gameport_register_port(struct gameport *gameport);

void gameport_unregister_port(struct gameport *gameport);

#else

static void __inline__ gameport_register_port(struct gameport *gameport) { return; }

static void __inline__ gameport_unregister_port(struct gameport *gameport) { return; }

#endif

void gameport_register_device(struct gameport_dev *dev);

void gameport_unregister_device(struct gameport_dev *dev);

#define GAMEPORT_MODE_DISABLED          0

#define GAMEPORT_MODE_RAW               1

#define GAMEPORT_MODE_COOKED            2

#define GAMEPORT_ID_VENDOR_ANALOG       0x0001

#define GAMEPORT_ID_VENDOR_MADCATZ      0x0002

#define GAMEPORT_ID_VENDOR_LOGITECH     0x0003

#define GAMEPORT_ID_VENDOR_CREATIVE     0x0004

#define GAMEPORT_ID_VENDOR_GENIUS       0x0005

#define GAMEPORT_ID_VENDOR_INTERACT     0x0006

#define GAMEPORT_ID_VENDOR_MICROSOFT    0x0007

#define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008

#define GAMEPORT_ID_VENDOR_GRAVIS       0x0009

static __inline__ void gameport_trigger(struct gameport *gameport)

{

        if (gameport->trigger)

                gameport->trigger(gameport);

        else

                outb(0xff, gameport->io);

}

static __inline__ unsigned char gameport_read(struct gameport *gameport)

{

        if (gameport->read)

                return gameport->read(gameport);

        else

                return inb(gameport->io);

}

static __inline__ int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)

{

        if (gameport->cooked_read)

                return gameport->cooked_read(gameport, axes, buttons);

        else

                return -1;

}

static __inline__ int gameport_calibrate(struct gameport *gameport, int *axes, int *max)

{

        if (gameport->calibrate)

                return gameport->calibrate(gameport, axes, max);

        else

                return -1;

}

static __inline__ int gameport_time(struct gameport *gameport, int time)

{

        return (time * gameport->speed) / 1000;

}

static __inline__ void wait_ms(unsigned int ms)

{

        current->state = TASK_UNINTERRUPTIBLE;

        schedule_timeout(1 + ms * HZ / 1000);

}

#endif