cregit-Linux how code gets into the kernel

Release 4.15 include/linux/gameport.h

Directory: include/linux
/*
 *  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.
 */
#ifndef _GAMEPORT_H

#define _GAMEPORT_H

#include <asm/io.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <uapi/linux/gameport.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 mutex drv_mutex;		/* protects serio->drv so attributes can pin driver */

	
struct device dev;

	
struct list_head node;
};

#define to_gameport_port(d)	container_of(d, struct gameport, dev)


struct gameport_driver {
	
const char *description;

	
int (*connect)(struct gameport *, struct gameport_driver *drv);
	
int (*reconnect)(struct gameport *);
	
void (*disconnect)(struct gameport *);

	
struct device_driver driver;

	
bool 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);

#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))

void __gameport_register_port(struct gameport *gameport, struct module *owner);
/* use a define to avoid include chaining to get THIS_MODULE */

#define gameport_register_port(gameport) \
	__gameport_register_port(gameport, THIS_MODULE)

void gameport_unregister_port(struct gameport *gameport);

__printf(2, 3)
void gameport_set_phys(struct gameport *gameport, const char *fmt, ...);

#else


static inline void gameport_register_port(struct gameport *gameport) { return; }

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PersonTokensPropCommitsCommitProp
Adrian Bunk13100.00%1100.00%
Total13100.00%1100.00%


static inline void gameport_unregister_port(struct gameport *gameport) { return; }

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PersonTokensPropCommitsCommitProp
Adrian Bunk13100.00%1100.00%
Total13100.00%1100.00%

static inline __printf(2, 3) void gameport_set_phys(struct gameport *gameport, const char *fmt, ...) { return; } #endif
static inline struct gameport *gameport_allocate_port(void) { struct gameport *gameport = kzalloc(sizeof(struct gameport), GFP_KERNEL); return gameport; }

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PersonTokensPropCommitsCommitProp
Dmitry Torokhov2790.00%133.33%
Linus Torvalds26.67%133.33%
Robert P. J. Day13.33%133.33%
Total30100.00%3100.00%


static inline void gameport_free_port(struct gameport *gameport) { kfree(gameport); }

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PersonTokensPropCommitsCommitProp
Dmitry Torokhov1588.24%150.00%
Linus Torvalds211.76%150.00%
Total17100.00%2100.00%


static inline void gameport_set_name(struct gameport *gameport, const char *name) { strlcpy(gameport->name, name, sizeof(gameport->name)); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov2678.79%266.67%
Linus Torvalds (pre-git)721.21%133.33%
Total33100.00%3100.00%

/* * Use the following functions to manipulate gameport's per-port * driver-specific data. */
static inline void *gameport_get_drvdata(struct gameport *gameport) { return dev_get_drvdata(&gameport->dev); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov22100.00%1100.00%
Total22100.00%1100.00%


static inline void gameport_set_drvdata(struct gameport *gameport, void *data) { dev_set_drvdata(&gameport->dev, data); }

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PersonTokensPropCommitsCommitProp
Dmitry Torokhov26100.00%1100.00%
Total26100.00%1100.00%

/* * Use the following functions to pin gameport's driver in process context */
static inline int gameport_pin_driver(struct gameport *gameport) { return mutex_lock_interruptible(&gameport->drv_mutex); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov1361.90%133.33%
Linus Torvalds628.57%133.33%
Arjan van de Ven29.52%133.33%
Total21100.00%3100.00%


static inline void gameport_unpin_driver(struct gameport *gameport) { mutex_unlock(&gameport->drv_mutex); }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov1155.00%133.33%
Linus Torvalds735.00%133.33%
Arjan van de Ven210.00%133.33%
Total20100.00%3100.00%

int __must_check __gameport_register_driver(struct gameport_driver *drv, struct module *owner, const char *mod_name); /* use a define to avoid include chaining to get THIS_MODULE & friends */ #define gameport_register_driver(drv) \ __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME) void gameport_unregister_driver(struct gameport_driver *drv); /** * module_gameport_driver() - Helper macro for registering a gameport driver * @__gameport_driver: gameport_driver struct * * Helper macro for gameport drivers which do not do anything special in * module init/exit. This eliminates a lot of boilerplate. Each module may * only use this macro once, and calling it replaces module_init() and * module_exit(). */ #define module_gameport_driver(__gameport_driver) \ module_driver(__gameport_driver, gameport_register_driver, \ gameport_unregister_driver)
static inline void gameport_trigger(struct gameport *gameport) { if (gameport->trigger) gameport->trigger(gameport); else outb(0xff, gameport->io); }

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PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)3497.14%150.00%
Dmitry Torokhov12.86%150.00%
Total35100.00%2100.00%


static inline unsigned char gameport_read(struct gameport *gameport) { if (gameport->read) return gameport->read(gameport); else return inb(gameport->io); }

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PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)3597.22%150.00%
Dmitry Torokhov12.78%150.00%
Total36100.00%2100.00%


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; }

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PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)4297.67%150.00%
Dmitry Torokhov12.33%150.00%
Total43100.00%2100.00%


static inline int gameport_calibrate(struct gameport *gameport, int *axes, int *max) { if (gameport->calibrate) return gameport->calibrate(gameport, axes, max); else return -1; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)4297.67%150.00%
Dmitry Torokhov12.33%150.00%
Total43100.00%2100.00%


static inline int gameport_time(struct gameport *gameport, int time) { return (time * gameport->speed) / 1000; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)2596.15%150.00%
Dmitry Torokhov13.85%150.00%
Total26100.00%2100.00%


static inline void gameport_set_poll_handler(struct gameport *gameport, void (*handler)(struct gameport *)) { gameport->poll_handler = handler; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov29100.00%1100.00%
Total29100.00%1100.00%


static inline void gameport_set_poll_interval(struct gameport *gameport, unsigned int msecs) { gameport->poll_interval = msecs; }

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PersonTokensPropCommitsCommitProp
Dmitry Torokhov22100.00%1100.00%
Total22100.00%1100.00%

void gameport_start_polling(struct gameport *gameport); void gameport_stop_polling(struct gameport *gameport); #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov36040.68%1041.67%
Linus Torvalds (pre-git)35940.56%14.17%
Adrian Bunk707.91%14.17%
Joe Perches202.26%14.17%
Linus Torvalds192.15%14.17%
Vojtech Pavlik151.69%28.33%
Paul Gortmaker111.24%14.17%
Arjan van de Ven91.02%14.17%
Axel Lin91.02%14.17%
David Howells40.45%14.17%
Tim Schmielau30.34%14.17%
Tejun Heo30.34%14.17%
Akinobu Mita20.23%14.17%
Robert P. J. Day10.11%14.17%
Total885100.00%24100.00%
Directory: include/linux
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