| 0,0 → 1,126 |
|---|
| /* |
| * 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); |