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.
13 #include <linux/list.h>
14 #include <linux/device.h>
18 void *port_data; /* Private pointer for gameport drivers */
26 void (*trigger)(struct gameport *);
27 unsigned char (*read)(struct gameport *);
28 int (*cooked_read)(struct gameport *, int *, int *);
29 int (*calibrate)(struct gameport *, int *, int *);
30 int (*open)(struct gameport *, int);
31 void (*close)(struct gameport *);
33 struct timer_list poll_timer;
34 unsigned int poll_interval; /* in msecs */
35 spinlock_t timer_lock;
36 unsigned int poll_cnt;
37 void (*poll_handler)(struct gameport *);
39 struct gameport *parent, *child;
41 struct gameport_driver *drv;
42 struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */
45 unsigned int registered; /* port has been fully registered with driver core */
47 struct list_head node;
49 #define to_gameport_port(d) container_of(d, struct gameport, dev)
51 struct gameport_driver {
56 int (*connect)(struct gameport *, struct gameport_driver *drv);
57 int (*reconnect)(struct gameport *);
58 void (*disconnect)(struct gameport *);
60 struct device_driver driver;
64 #define to_gameport_driver(d) container_of(d, struct gameport_driver, driver)
66 int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode);
67 void gameport_close(struct gameport *gameport);
68 void gameport_rescan(struct gameport *gameport);
70 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
72 void __gameport_register_port(struct gameport *gameport, struct module *owner);
73 static inline void gameport_register_port(struct gameport *gameport)
75 __gameport_register_port(gameport, THIS_MODULE);
78 void gameport_unregister_port(struct gameport *gameport);
80 void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
81 __attribute__ ((format (printf, 2, 3)));
85 static inline void gameport_register_port(struct gameport *gameport)
90 static inline void gameport_unregister_port(struct gameport *gameport)
95 static inline void gameport_set_phys(struct gameport *gameport,
103 static inline struct gameport *gameport_allocate_port(void)
105 struct gameport *gameport = kcalloc(1, sizeof(struct gameport), GFP_KERNEL);
110 static inline void gameport_free_port(struct gameport *gameport)
115 static inline void gameport_set_name(struct gameport *gameport, const char *name)
117 strlcpy(gameport->name, name, sizeof(gameport->name));
121 * Use the following fucntions to manipulate gameport's per-port
122 * driver-specific data.
124 static inline void *gameport_get_drvdata(struct gameport *gameport)
126 return dev_get_drvdata(&gameport->dev);
129 static inline void gameport_set_drvdata(struct gameport *gameport, void *data)
131 dev_set_drvdata(&gameport->dev, data);
135 * Use the following fucntions to pin gameport's driver in process context
137 static inline int gameport_pin_driver(struct gameport *gameport)
139 return down_interruptible(&gameport->drv_sem);
142 static inline void gameport_unpin_driver(struct gameport *gameport)
144 up(&gameport->drv_sem);
147 void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);
148 static inline void gameport_register_driver(struct gameport_driver *drv)
150 __gameport_register_driver(drv, THIS_MODULE);
153 void gameport_unregister_driver(struct gameport_driver *drv);
155 #define GAMEPORT_MODE_DISABLED 0
156 #define GAMEPORT_MODE_RAW 1
157 #define GAMEPORT_MODE_COOKED 2
159 #define GAMEPORT_ID_VENDOR_ANALOG 0x0001
160 #define GAMEPORT_ID_VENDOR_MADCATZ 0x0002
161 #define GAMEPORT_ID_VENDOR_LOGITECH 0x0003
162 #define GAMEPORT_ID_VENDOR_CREATIVE 0x0004
163 #define GAMEPORT_ID_VENDOR_GENIUS 0x0005
164 #define GAMEPORT_ID_VENDOR_INTERACT 0x0006
165 #define GAMEPORT_ID_VENDOR_MICROSOFT 0x0007
166 #define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008
167 #define GAMEPORT_ID_VENDOR_GRAVIS 0x0009
168 #define GAMEPORT_ID_VENDOR_GUILLEMOT 0x000a
170 static inline void gameport_trigger(struct gameport *gameport)
172 if (gameport->trigger)
173 gameport->trigger(gameport);
175 outb(0xff, gameport->io);
178 static inline unsigned char gameport_read(struct gameport *gameport)
181 return gameport->read(gameport);
183 return inb(gameport->io);
186 static inline int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
188 if (gameport->cooked_read)
189 return gameport->cooked_read(gameport, axes, buttons);
194 static inline int gameport_calibrate(struct gameport *gameport, int *axes, int *max)
196 if (gameport->calibrate)
197 return gameport->calibrate(gameport, axes, max);
202 static inline int gameport_time(struct gameport *gameport, int time)
204 return (time * gameport->speed) / 1000;
207 static inline void gameport_set_poll_handler(struct gameport *gameport, void (*handler)(struct gameport *))
209 gameport->poll_handler = handler;
212 static inline void gameport_set_poll_interval(struct gameport *gameport, unsigned int msecs)
214 gameport->poll_interval = msecs;
217 void gameport_start_polling(struct gameport *gameport);
218 void gameport_stop_polling(struct gameport *gameport);