gameport.h
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上传日期:2009-04-28
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文件大小:5k
- #ifndef _GAMEPORT_H
- #define _GAMEPORT_H
- /*
- * Copyright (c) 1999-2002 Vojtech Pavlik
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
- #include <asm/io.h>
- #include <linux/list.h>
- #include <linux/device.h>
- struct gameport {
- void *port_data; /* Private pointer for gameport drivers */
- char name[32];
- char phys[32];
- int io;
- int speed;
- int fuzz;
- void (*trigger)(struct gameport *);
- unsigned char (*read)(struct gameport *);
- int (*cooked_read)(struct gameport *, int *, int *);
- int (*calibrate)(struct gameport *, int *, int *);
- int (*open)(struct gameport *, int);
- void (*close)(struct gameport *);
- struct timer_list poll_timer;
- unsigned int poll_interval; /* in msecs */
- spinlock_t timer_lock;
- unsigned int poll_cnt;
- void (*poll_handler)(struct gameport *);
- struct gameport *parent, *child;
- struct gameport_driver *drv;
- struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */
- struct device dev;
- unsigned int registered; /* port has been fully registered with driver core */
- struct list_head node;
- };
- #define to_gameport_port(d) container_of(d, struct gameport, dev)
- struct gameport_driver {
- void *private;
- char *description;
- int (*connect)(struct gameport *, struct gameport_driver *drv);
- int (*reconnect)(struct gameport *);
- void (*disconnect)(struct gameport *);
- struct device_driver driver;
- unsigned int ignore;
- };
- #define to_gameport_driver(d) container_of(d, struct gameport_driver, driver)
- int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode);
- void gameport_close(struct gameport *gameport);
- void gameport_rescan(struct gameport *gameport);
- #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
- void __gameport_register_port(struct gameport *gameport, struct module *owner);
- static inline void gameport_register_port(struct gameport *gameport)
- {
- __gameport_register_port(gameport, THIS_MODULE);
- }
- void gameport_unregister_port(struct gameport *gameport);
- void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
- #else
- static inline void gameport_register_port(struct gameport *gameport)
- {
- return;
- }
- static inline void gameport_unregister_port(struct gameport *gameport)
- {
- return;
- }
- static inline void gameport_set_phys(struct gameport *gameport,
- const char *fmt, ...)
- {
- return;
- }
- #endif
- static inline struct gameport *gameport_allocate_port(void)
- {
- struct gameport *gameport = kcalloc(1, sizeof(struct gameport), GFP_KERNEL);
- return gameport;
- }
- static inline void gameport_free_port(struct gameport *gameport)
- {
- kfree(gameport);
- }
- static inline void gameport_set_name(struct gameport *gameport, const char *name)
- {
- strlcpy(gameport->name, name, sizeof(gameport->name));
- }
- /*
- * Use the following fucntions to manipulate gameport's per-port
- * driver-specific data.
- */
- static inline void *gameport_get_drvdata(struct gameport *gameport)
- {
- return dev_get_drvdata(&gameport->dev);
- }
- static inline void gameport_set_drvdata(struct gameport *gameport, void *data)
- {
- dev_set_drvdata(&gameport->dev, data);
- }
- /*
- * Use the following fucntions to pin gameport's driver in process context
- */
- static inline int gameport_pin_driver(struct gameport *gameport)
- {
- return down_interruptible(&gameport->drv_sem);
- }
- static inline void gameport_unpin_driver(struct gameport *gameport)
- {
- up(&gameport->drv_sem);
- }
- void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);
- static inline void gameport_register_driver(struct gameport_driver *drv)
- {
- __gameport_register_driver(drv, THIS_MODULE);
- }
- void gameport_unregister_driver(struct gameport_driver *drv);
- #define GAMEPORT_MODE_DISABLED 0
- #define GAMEPORT_MODE_RAW 1
- #define GAMEPORT_MODE_COOKED 2
- #define GAMEPORT_ID_VENDOR_ANALOG 0x0001
- #define GAMEPORT_ID_VENDOR_MADCATZ 0x0002
- #define GAMEPORT_ID_VENDOR_LOGITECH 0x0003
- #define GAMEPORT_ID_VENDOR_CREATIVE 0x0004
- #define GAMEPORT_ID_VENDOR_GENIUS 0x0005
- #define GAMEPORT_ID_VENDOR_INTERACT 0x0006
- #define GAMEPORT_ID_VENDOR_MICROSOFT 0x0007
- #define GAMEPORT_ID_VENDOR_THRUSTMASTER 0x0008
- #define GAMEPORT_ID_VENDOR_GRAVIS 0x0009
- #define GAMEPORT_ID_VENDOR_GUILLEMOT 0x000a
- static inline void gameport_trigger(struct gameport *gameport)
- {
- if (gameport->trigger)
- gameport->trigger(gameport);
- else
- outb(0xff, gameport->io);
- }
- static inline unsigned char gameport_read(struct gameport *gameport)
- {
- if (gameport->read)
- return gameport->read(gameport);
- else
- return inb(gameport->io);
- }
- static inline int gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
- {
- if (gameport->cooked_read)
- return gameport->cooked_read(gameport, axes, buttons);
- else
- return -1;
- }
- static inline int gameport_calibrate(struct gameport *gameport, int *axes, int *max)
- {
- if (gameport->calibrate)
- return gameport->calibrate(gameport, axes, max);
- else
- return -1;
- }
- static inline int gameport_time(struct gameport *gameport, int time)
- {
- return (time * gameport->speed) / 1000;
- }
- static inline void gameport_set_poll_handler(struct gameport *gameport, void (*handler)(struct gameport *))
- {
- gameport->poll_handler = handler;
- }
- static inline void gameport_set_poll_interval(struct gameport *gameport, unsigned int msecs)
- {
- gameport->poll_interval = msecs;
- }
- void gameport_start_polling(struct gameport *gameport);
- void gameport_stop_polling(struct gameport *gameport);
- #endif