include/linux/gameport.h

   1 #ifndef _GAMEPORT_H
   2 #define _GAMEPORT_H
   3
   4 /*
   5  *  Copyright (c) 1999-2002 Vojtech Pavlik
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published by
   9  * the Free Software Foundation.
  10  */
  11
  12 #include <asm/io.h>
  13 #include <linux/input.h>
  14 #include <linux/list.h>
  15
  16 struct gameport;
  17
  18 struct gameport {
  19
  20         void *private;  /* Private pointer for joystick drivers */
  21         void *driver;   /* Private pointer for gameport drivers */
  22         char *name;
  23         char *phys;
  24
  25         struct input_id id;
  26
  27         int io;
  28         int speed;
  29         int fuzz;
  30
  31         void (*trigger)(struct gameport *);
  32         unsigned char (*read)(struct gameport *);
  33         int (*cooked_read)(struct gameport *, int *, int *);
  34         int (*calibrate)(struct gameport *, int *, int *);
  35         int (*open)(struct gameport *, int);
  36         void (*close)(struct gameport *);
  37
  38         struct gameport_dev *dev;
  39
  40         struct list_head node;
  41 };
  42
  43 struct gameport_dev {
  44
  45         void *private;
  46         char *name;
  47
  48         void (*connect)(struct gameport *, struct gameport_dev *dev);
  49         void (*disconnect)(struct gameport *);
  50
  51         struct list_head node;
  52 };
  53
  54 int gameport_open(struct gameport *gameport, struct gameport_dev *dev, int mode);
  55 void gameport_close(struct gameport *gameport);
  56 void gameport_rescan(struct gameport *gameport);
  57
  58 #if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE)
  59 void gameport_register_port(struct gameport *gameport);
  60 void gameport_unregister_port(struct gameport *gameport);
  61 #else
  62 static inline void gameport_register_port(struct gameport *gameport) { return; }
  63 static inline void gameport_unregister_port(struct gameport *gameport) { return; }
  64 #endif
  65
  66 void gameport_register_device(struct gameport_dev *dev);
  67 void gameport_unregister_device(struct gameport_dev *dev);
  68
  69 #define GAMEPORT_MODE_DISABLED          0
  70 #define GAMEPORT_MODE_RAW               1
  71 #define GAMEPORT_MODE_COOKED            2
  72
  73 #define GAMEPORT_ID_VENDOR_ANALOG       0x0001
  74 #define GAMEPORT_ID_VENDOR_MADCATZ      0x0002
  75 #define GAMEPORT_ID_VENDOR_LOGITECH     0x0003
  76 #define GAMEPORT_ID_VENDOR_CREATIVE     0x0004
  77 #define GAMEPORT_ID_VENDOR_GENIUS       0x0005
  78 #define GAMEPORT_ID_VENDOR_INTERACT     0x0006
  79 #define GAMEPORT_ID_VENDOR_MICROSOFT    0x0007
  80 #define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008
  81 #define GAMEPORT_ID_VENDOR_GRAVIS       0x0009
  82 #define GAMEPORT_ID_VENDOR_GUILLEMOT    0x000a
  83
  84 static __inline__ void gameport_trigger(struct gameport *gameport)
  85 {
  86         if (gameport->trigger)
  87                 gameport->trigger(gameport);
  88         else
  89                 outb(0xff, gameport->io);
  90 }
  91
  92 static __inline__ unsigned char gameport_read(struct gameport *gameport)
  93 {
  94         if (gameport->read)
  95                 return gameport->read(gameport);
  96         else
  97                 return inb(gameport->io);
  98 }
  99
 100 static __inline__ int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
 101 {
 102         if (gameport->cooked_read)
 103                 return gameport->cooked_read(gameport, axes, buttons);
 104         else
 105                 return -1;
 106 }
 107
 108 static __inline__ int gameport_calibrate(struct gameport *gameport, int *axes, int *max)
 109 {
 110         if (gameport->calibrate)
 111                 return gameport->calibrate(gameport, axes, max);
 112         else
 113                 return -1;
 114 }
 115
 116 static __inline__ int gameport_time(struct gameport *gameport, int time)
 117 {
 118         return (time * gameport->speed) / 1000;
 119 }
 120
 121 #endif