File: /usr/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
144