include/linux/gameport.h

   1 #ifndef _GAMEPORT_H
   2 #define _GAMEPORT_H
   3
   4 /*
   5  * $Id: gameport.h,v 1.8 2000/06/03 20:18:52 vojtech Exp $
   6  *
   7  *  Copyright (c) 1999-2000 Vojtech Pavlik
   8  *
   9  *  Sponsored by SuSE
  10  */
  11
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  *
  27  * Should you need to contact me, the author, you can do so either by
  28  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
  29  * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
  30  */
  31
  32 #include <linux/sched.h>
  33 #include <asm/io.h>
  34
  35 struct gameport;
  36
  37 struct gameport {
  38
  39         void *private;
  40         void *driver;
  41
  42         int number;
  43
  44         int io;
  45         int size;
  46         int speed;
  47         int fuzz;
  48         int type;
  49         struct pci_dev *pci;
  50
  51         void (*trigger)(struct gameport *);
  52         unsigned char (*read)(struct gameport *);
  53         int (*cooked_read)(struct gameport *, int *, int *);
  54         int (*calibrate)(struct gameport *, int *, int *);
  55         int (*open)(struct gameport *, int);
  56         void (*close)(struct gameport *);
  57
  58         struct gameport_dev *dev;
  59
  60         struct gameport *next;
  61 };
  62
  63 struct gameport_dev {
  64
  65         void *private;
  66
  67         void (*connect)(struct gameport *, struct gameport_dev *dev);
  68         void (*disconnect)(struct gameport *);
  69
  70         struct gameport_dev *next;
  71 };
  72
  73 int gameport_open(struct gameport *gameport, struct gameport_dev *dev, int mode);
  74 void gameport_close(struct gameport *gameport);
  75 void gameport_rescan(struct gameport *gameport);
  76
  77 void gameport_register_port(struct gameport *gameport);
  78 void gameport_unregister_port(struct gameport *gameport);
  79 void gameport_register_device(struct gameport_dev *dev);
  80 void gameport_unregister_device(struct gameport_dev *dev);
  81
  82 #define GAMEPORT_MODE_DISABLED          0
  83 #define GAMEPORT_MODE_RAW               1
  84 #define GAMEPORT_MODE_COOKED            2
  85
  86 #define GAMEPORT_ISA       0
  87 #define GAMEPORT_PNP       1
  88 #define GAMEPORT_EXT       2
  89
  90 #define GAMEPORT_ID_VENDOR_ANALOG       0x0001
  91 #define GAMEPORT_ID_VENDOR_MADCATZ      0x0002
  92 #define GAMEPORT_ID_VENDOR_LOGITECH     0x0003
  93 #define GAMEPORT_ID_VENDOR_CREATIVE     0x0004
  94 #define GAMEPORT_ID_VENDOR_GENIUS       0x0005
  95 #define GAMEPORT_ID_VENDOR_INTERACT     0x0006
  96 #define GAMEPORT_ID_VENDOR_MICROSOFT    0x0007
  97 #define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008
  98 #define GAMEPORT_ID_VENDOR_GRAVIS       0x0009
  99
 100 static __inline__ void gameport_trigger(struct gameport *gameport)
 101 {
 102         if (gameport->trigger)
 103                 gameport->trigger(gameport);
 104         else
 105                 outb(0xff, gameport->io);
 106 }
 107
 108 static __inline__ unsigned char gameport_read(struct gameport *gameport)
 109 {
 110         if (gameport->read)
 111                 return gameport->read(gameport);
 112         else
 113                 return inb(gameport->io);
 114 }
 115
 116 static __inline__ int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
 117 {
 118         if (gameport->cooked_read)
 119                 return gameport->cooked_read(gameport, axes, buttons);
 120         else
 121                 return -1;
 122 }
 123
 124 static __inline__ int gameport_calibrate(struct gameport *gameport, int *axes, int *max)
 125 {
 126         if (gameport->calibrate)
 127                 return gameport->calibrate(gameport, axes, max);
 128         else
 129                 return -1;
 130 }
 131
 132 static __inline__ int gameport_time(struct gameport *gameport, int time)
 133 {
 134         return (time * gameport->speed) / 1000;
 135 }
 136
 137 static __inline__ void wait_ms(unsigned int ms)
 138 {
 139         current->state = TASK_UNINTERRUPTIBLE;
 140         schedule_timeout(1 + ms * HZ / 1000);
 141 }
 142
 143 #endif