1 files changed, 198 insertions, 0 deletions

diff --git a/include/linux/gameport.h b/include/linux/gameport.h
new file mode 100644
index 000000000000..b1272f822cfa
--- /dev/null
+++ b/include/linux/gameport.h
@@ -0,0 +1,198 @@
+#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);
+
+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);
+
+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));
+}
+
+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
+ * 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