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| Rev | Author | Line No. | Line |
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| 422 | giacomo | 1 | #ifndef _GAMEPORT_H |
| 2 | #define _GAMEPORT_H |
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| 3 | |||
| 4 | /* |
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| 5 | * Copyright (c) 1999-2002 Vojtech Pavlik |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or modify it |
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| 8 | * under the terms of the GNU General Public License version 2 as published by |
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| 9 | * the Free Software Foundation. |
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| 10 | */ |
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| 11 | |||
| 12 | #include <asm/io.h> |
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| 13 | #include <linux/input.h> |
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| 14 | #include <linux/list.h> |
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| 15 | |||
| 16 | struct gameport; |
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| 17 | |||
| 18 | struct gameport { |
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| 19 | |||
| 20 | void *private; /* Private pointer for joystick drivers */ |
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| 21 | void *driver; /* Private pointer for gameport drivers */ |
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| 22 | char *name; |
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| 23 | char *phys; |
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| 24 | |||
| 25 | struct input_id id; |
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| 26 | |||
| 27 | int io; |
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| 28 | int speed; |
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| 29 | int fuzz; |
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| 30 | |||
| 31 | void (*trigger)(struct gameport *); |
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| 32 | unsigned char (*read)(struct gameport *); |
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| 33 | int (*cooked_read)(struct gameport *, int *, int *); |
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| 34 | int (*calibrate)(struct gameport *, int *, int *); |
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| 35 | int (*open)(struct gameport *, int); |
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| 36 | void (*close)(struct gameport *); |
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| 37 | |||
| 38 | struct gameport_dev *dev; |
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| 39 | |||
| 40 | struct list_head node; |
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| 41 | }; |
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| 42 | |||
| 43 | struct gameport_dev { |
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| 44 | |||
| 45 | void *private; |
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| 46 | char *name; |
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| 47 | |||
| 48 | void (*connect)(struct gameport *, struct gameport_dev *dev); |
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| 49 | void (*disconnect)(struct gameport *); |
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| 50 | |||
| 51 | struct list_head node; |
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| 52 | }; |
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| 53 | |||
| 54 | int gameport_open(struct gameport *gameport, struct gameport_dev *dev, int mode); |
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| 55 | void gameport_close(struct gameport *gameport); |
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| 56 | void gameport_rescan(struct gameport *gameport); |
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| 57 | |||
| 58 | #if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE) |
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| 59 | void gameport_register_port(struct gameport *gameport); |
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| 60 | void gameport_unregister_port(struct gameport *gameport); |
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| 61 | #else |
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| 62 | static inline void gameport_register_port(struct gameport *gameport) { return; } |
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| 63 | static inline void gameport_unregister_port(struct gameport *gameport) { return; } |
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| 64 | #endif |
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| 65 | |||
| 66 | void gameport_register_device(struct gameport_dev *dev); |
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| 67 | void gameport_unregister_device(struct gameport_dev *dev); |
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| 68 | |||
| 69 | #define GAMEPORT_MODE_DISABLED 0 |
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| 70 | #define GAMEPORT_MODE_RAW 1 |
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| 71 | #define GAMEPORT_MODE_COOKED 2 |
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| 72 | |||
| 73 | #define GAMEPORT_ID_VENDOR_ANALOG 0x0001 |
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| 74 | #define GAMEPORT_ID_VENDOR_MADCATZ 0x0002 |
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| 75 | #define GAMEPORT_ID_VENDOR_LOGITECH 0x0003 |
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| 76 | #define GAMEPORT_ID_VENDOR_CREATIVE 0x0004 |
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| 77 | #define GAMEPORT_ID_VENDOR_GENIUS 0x0005 |
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| 78 | #define GAMEPORT_ID_VENDOR_INTERACT 0x0006 |
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| 79 | #define GAMEPORT_ID_VENDOR_MICROSOFT 0x0007 |
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| 80 | #define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008 |
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| 81 | #define GAMEPORT_ID_VENDOR_GRAVIS 0x0009 |
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| 82 | #define GAMEPORT_ID_VENDOR_GUILLEMOT 0x000a |
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| 83 | |||
| 84 | static __inline__ void gameport_trigger(struct gameport *gameport) |
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| 85 | { |
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| 86 | if (gameport->trigger) |
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| 87 | gameport->trigger(gameport); |
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| 88 | else |
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| 89 | outb(0xff, gameport->io); |
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| 90 | } |
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| 91 | |||
| 92 | static __inline__ unsigned char gameport_read(struct gameport *gameport) |
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| 93 | { |
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| 94 | if (gameport->read) |
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| 95 | return gameport->read(gameport); |
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| 96 | else |
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| 97 | return inb(gameport->io); |
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| 98 | } |
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| 99 | |||
| 100 | static __inline__ int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons) |
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| 101 | { |
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| 102 | if (gameport->cooked_read) |
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| 103 | return gameport->cooked_read(gameport, axes, buttons); |
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| 104 | else |
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| 105 | return -1; |
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| 106 | } |
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| 107 | |||
| 108 | static __inline__ int gameport_calibrate(struct gameport *gameport, int *axes, int *max) |
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| 109 | { |
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| 110 | if (gameport->calibrate) |
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| 111 | return gameport->calibrate(gameport, axes, max); |
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| 112 | else |
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| 113 | return -1; |
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| 114 | } |
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| 115 | |||
| 116 | static __inline__ int gameport_time(struct gameport *gameport, int time) |
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| 117 | { |
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| 118 | return (time * gameport->speed) / 1000; |
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| 119 | } |
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| 120 | |||
| 121 | static __inline__ void wait_ms(unsigned int ms) |
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| 122 | { |
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| 123 | set_current_state(TASK_UNINTERRUPTIBLE); |
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| 124 | schedule_timeout(1 + ms * HZ / 1000); |
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| 125 | } |
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| 126 | |||
| 127 | #endif |