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
144
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