5 * Copyright (c) 1999-2002 Vojtech Pavlik
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.
14 #include <linux/list.h>
15 #include <linux/mutex.h>
16 #include <linux/device.h>
17 #include <linux/timer.h>
21 void *port_data; /* Private pointer for gameport drivers */
29 void (*trigger)(struct gameport *);
30 unsigned char (*read)(struct gameport *);
31 int (*cooked_read)(struct gameport *, int *, int *);
32 int (*calibrate)(struct gameport *, int *, int *);
33 int (*open)(struct gameport *, int);
34 void (*close)(struct gameport *);
36 struct timer_list poll_timer;
37 unsigned int poll_interval; /* in msecs */
38 spinlock_t timer_lock;
39 unsigned int poll_cnt;
40 void (*poll_handler)(struct gameport *);
42 struct gameport *parent, *child;
44 struct gameport_driver *drv;
45 struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
48 unsigned int registered; /* port has been fully registered with driver core */
50 struct list_head node;
52 #define to_gameport_port(d) container_of(d, struct gameport, dev)
54 struct gameport_driver {
59 int (*connect)(struct gameport *, struct gameport_driver *drv);
60 int (*reconnect)(struct gameport *);
61 void (*disconnect)(struct gameport *);
63 struct device_driver driver;
67 #define to_gameport_driver(d) container_of(d, struct gameport_driver, driver)
69 int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode);
70 void gameport_close(struct gameport *gameport);
71 void gameport_rescan(struct gameport *gameport);
73 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
75 void __gameport_register_port(struct gameport *gameport, struct module *owner);
76 static inline void gameport_register_port(struct gameport *gameport)
78 __gameport_register_port(gameport, THIS_MODULE);
81 void gameport_unregister_port(struct gameport *gameport);
83 void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
84 __attribute__ ((format (printf, 2, 3)));
88 static inline void gameport_register_port(struct gameport *gameport)
93 static inline void gameport_unregister_port(struct gameport *gameport)
98 static inline void gameport_set_phys(struct gameport *gameport,
106 static inline struct gameport *gameport_allocate_port(void)
108 struct gameport *gameport = kzalloc(sizeof(struct gameport), GFP_KERNEL);
113 static inline void gameport_free_port(struct gameport *gameport)
118 static inline void gameport_set_name(struct gameport *gameport, const char *name)
120 strlcpy(gameport->name, name, sizeof(gameport->name));
124 * Use the following functions to manipulate gameport's per-port
125 * driver-specific data.
127 static inline void *gameport_get_drvdata(struct gameport *gameport)
129 return dev_get_drvdata(&gameport->dev);
132 static inline void gameport_set_drvdata(struct gameport *gameport, void *data)
134 dev_set_drvdata(&gameport->dev, data);
138 * Use the following functions to pin gameport's driver in process context
140 static inline int gameport_pin_driver(struct gameport *gameport)
142 return mutex_lock_interruptible(&gameport->drv_mutex);
145 static inline void gameport_unpin_driver(struct gameport *gameport)
147 mutex_unlock(&gameport->drv_mutex);
150 void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);
151 static inline void gameport_register_driver(struct gameport_driver *drv)
153 __gameport_register_driver(drv, THIS_MODULE);
156 void gameport_unregister_driver(struct gameport_driver *drv);
158 #endif /* __KERNEL__ */
160 #define GAMEPORT_MODE_DISABLED 0
161 #define GAMEPORT_MODE_RAW 1
162 #define GAMEPORT_MODE_COOKED 2
164 #define GAMEPORT_ID_VENDOR_ANALOG 0x0001
165 #define GAMEPORT_ID_VENDOR_MADCATZ 0x0002
166 #define GAMEPORT_ID_VENDOR_LOGITECH 0x0003
167 #define GAMEPORT_ID_VENDOR_CREATIVE 0x0004
168 #define GAMEPORT_ID_VENDOR_GENIUS 0x0005
169 #define GAMEPORT_ID_VENDOR_INTERACT 0x0006
170 #define GAMEPORT_ID_VENDOR_MICROSOFT 0x0007
171 #define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008
172 #define GAMEPORT_ID_VENDOR_GRAVIS 0x0009
173 #define GAMEPORT_ID_VENDOR_GUILLEMOT 0x000a
177 static inline void gameport_trigger(struct gameport *gameport)
179 if (gameport->trigger)
180 gameport->trigger(gameport);
182 outb(0xff, gameport->io);
185 static inline unsigned char gameport_read(struct gameport *gameport)
188 return gameport->read(gameport);
190 return inb(gameport->io);
193 static inline int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
195 if (gameport->cooked_read)
196 return gameport->cooked_read(gameport, axes, buttons);
201 static inline int gameport_calibrate(struct gameport *gameport, int *axes, int *max)
203 if (gameport->calibrate)
204 return gameport->calibrate(gameport, axes, max);
209 static inline int gameport_time(struct gameport *gameport, int time)
211 return (time * gameport->speed) / 1000;
214 static inline void gameport_set_poll_handler(struct gameport *gameport, void (*handler)(struct gameport *))
216 gameport->poll_handler = handler;
219 static inline void gameport_set_poll_interval(struct gameport *gameport, unsigned int msecs)
221 gameport->poll_interval = msecs;
224 void gameport_start_polling(struct gameport *gameport);
225 void gameport_stop_polling(struct gameport *gameport);
227 #endif /* __KERNEL__ */