* the Free Software Foundation.
*/
+#ifdef __KERNEL__
#include <asm/io.h>
+#include <linux/types.h>
#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/device.h>
+#include <linux/timer.h>
struct gameport {
struct gameport *parent, *child;
struct gameport_driver *drv;
- struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */
+ struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
struct device dev;
unsigned int registered; /* port has been fully registered with driver core */
struct device_driver driver;
- unsigned int ignore;
+ 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);
-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)
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);
+ struct gameport *gameport = kzalloc(sizeof(struct gameport), GFP_KERNEL);
return gameport;
}
strlcpy(gameport->name, name, sizeof(gameport->name));
}
-void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-
/*
- * Use the following fucntions to manipulate gameport's per-port
+ * Use the following functions to manipulate gameport's per-port
* driver-specific data.
*/
static inline void *gameport_get_drvdata(struct gameport *gameport)
}
/*
- * Use the following fucntions to pin gameport's driver in process context
+ * Use the following functions to pin gameport's driver in process context
*/
static inline int gameport_pin_driver(struct gameport *gameport)
{
- return down_interruptible(&gameport->drv_sem);
+ return mutex_lock_interruptible(&gameport->drv_mutex);
}
static inline void gameport_unpin_driver(struct gameport *gameport)
{
- up(&gameport->drv_sem);
+ mutex_unlock(&gameport->drv_mutex);
}
-void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);
-static inline void gameport_register_driver(struct gameport_driver *drv)
+int __gameport_register_driver(struct gameport_driver *drv,
+ struct module *owner, const char *mod_name);
+static inline int __must_check gameport_register_driver(struct gameport_driver *drv)
{
- __gameport_register_driver(drv, THIS_MODULE);
+ return __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
}
void gameport_unregister_driver(struct gameport_driver *drv);
+#endif /* __KERNEL__ */
+
#define GAMEPORT_MODE_DISABLED 0
#define GAMEPORT_MODE_RAW 1
#define GAMEPORT_MODE_COOKED 2
#define GAMEPORT_ID_VENDOR_GRAVIS 0x0009
#define GAMEPORT_ID_VENDOR_GUILLEMOT 0x000a
+#ifdef __KERNEL__
+
static inline void gameport_trigger(struct gameport *gameport)
{
if (gameport->trigger)
void gameport_start_polling(struct gameport *gameport);
void gameport_stop_polling(struct gameport *gameport);
+#endif /* __KERNEL__ */
#endif