/*
* Input driver event debug module - dumps all events into syslog
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linuxcomp.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/init.h>
#include <linux/device.h>
//#define DEBUG_JOY
MODULE_AUTHOR
("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION
("Input driver joystick module");
MODULE_LICENSE
("GPL");
static char joystick_name
[] = "joystick";
static struct input_handler joystick_handler
;
static void joystick_event
(struct input_handle
*handle
, unsigned int type
, unsigned int code
, int value
)
{
#ifdef DEBUG_JOY
printk
(KERN_DEBUG
"joystick.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", handle
->dev
->phys
, type
, code
, value
);
#endif
}
static struct input_handle
*joystick_connect
(struct input_handler
*handler
, struct input_dev
*dev
, struct input_device_id
*id
)
{
struct input_handle
*handle
;
/* Avoid tablets */
if (test_bit
(EV_KEY
, dev
->evbit
) && test_bit
(BTN_TOUCH
, dev
->keybit
))
return NULL
;
if (!(handle
= kmalloc
(sizeof(struct input_handle
), GFP_KERNEL
)))
return NULL
;
memset(handle
, 0, sizeof(struct input_handle
));
handle
->dev
= dev
;
handle
->handler
= handler
;
handle
->name
= joystick_name
;
input_open_device
(handle
);
#ifdef DEBUG_JOY
printk
(KERN_DEBUG
"joystick.c: Connected device: \"%s\", %s\n", dev
->name
, dev
->phys
);
#endif
return handle
;
}
static void joystick_disconnect
(struct input_handle
*handle
)
{
#ifdef DEBUG_JOY
printk
(KERN_DEBUG
"joystick.c: Disconnected device: %s\n", handle
->dev
->phys
);
#endif
input_close_device
(handle
);
kfree
(handle
);
}
/*static struct input_device_id joystick_ids[] = {
{ .driver_info = 1 }, // Matches all devices
{ }, // Terminating zero entry
};*/
static struct input_device_id joystick_ids
[] = {
{
.
flags = INPUT_DEVICE_ID_MATCH_EVBIT
| INPUT_DEVICE_ID_MATCH_ABSBIT
,
.
evbit = { BIT
(EV_ABS
) },
.
absbit = { BIT
(ABS_X
) },
},
{
.
flags = INPUT_DEVICE_ID_MATCH_EVBIT
| INPUT_DEVICE_ID_MATCH_ABSBIT
,
.
evbit = { BIT
(EV_ABS
) },
.
absbit = { BIT
(ABS_WHEEL
) },
},
{
.
flags = INPUT_DEVICE_ID_MATCH_EVBIT
| INPUT_DEVICE_ID_MATCH_ABSBIT
,
.
evbit = { BIT
(EV_ABS
) },
.
absbit = { BIT
(ABS_THROTTLE
) },
},
{ }, /* Terminating entry */
};
MODULE_DEVICE_TABLE
(input
, joystick_ids
);
static struct input_handler joystick_handler
= {
.
event = joystick_event
,
.
connect = joystick_connect
,
.
disconnect = joystick_disconnect
,
.
name = "joystick",
.
id_table = joystick_ids
,
};
int __init joystick_init
(void)
{
input_register_handler
(&joystick_handler
);
return 0;
}
void __exit joystick_exit
(void)
{
input_unregister_handler
(&joystick_handler
);
}
module_init
(joystick_init
);
module_exit
(joystick_exit
);