Rev 547 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 538 | mauro | 1 | /* |
| 2 | * Input driver event debug module - dumps all events into syslog |
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| 3 | */ |
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| 4 | |||
| 5 | /* |
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| 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation; either version 2 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include <linuxcomp.h> |
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| 22 | |||
| 23 | #include <linux/slab.h> |
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| 24 | #include <linux/module.h> |
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| 25 | #include <linux/input.h> |
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| 26 | #include <linux/init.h> |
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| 27 | #include <linux/device.h> |
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| 28 | |||
| 29 | //#define DEBUG_JOY |
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| 30 | |||
| 31 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); |
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| 32 | MODULE_DESCRIPTION("Input driver joystick module"); |
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| 33 | MODULE_LICENSE("GPL"); |
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| 34 | |||
| 35 | static char joystick_name[] = "joystick"; |
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| 36 | static struct input_handler joystick_handler; |
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| 37 | |||
| 38 | static void joystick_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) |
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| 39 | { |
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| 40 | #ifdef DEBUG_JOY |
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| 41 | printk(KERN_DEBUG "joystick.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", handle->dev->phys, type, code, value); |
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| 42 | #endif |
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| 43 | } |
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| 44 | |||
| 45 | static struct input_handle *joystick_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id) |
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| 46 | { |
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| 47 | struct input_handle *handle; |
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| 48 | |||
| 49 | /* Avoid tablets */ |
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| 50 | if (test_bit(EV_KEY, dev->evbit) && test_bit(BTN_TOUCH, dev->keybit)) |
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| 51 | return NULL; |
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| 52 | |||
| 53 | if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL))) |
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| 54 | return NULL; |
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| 55 | memset(handle, 0, sizeof(struct input_handle)); |
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| 56 | |||
| 57 | handle->dev = dev; |
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| 58 | handle->handler = handler; |
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| 59 | handle->name = joystick_name; |
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| 60 | |||
| 61 | input_open_device(handle); |
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| 62 | |||
| 63 | #ifdef DEBUG_JOY |
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| 64 | printk(KERN_DEBUG "joystick.c: Connected device: \"%s\", %s\n", dev->name, dev->phys); |
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| 65 | #endif |
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| 66 | |||
| 67 | return handle; |
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| 68 | } |
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| 69 | |||
| 70 | static void joystick_disconnect(struct input_handle *handle) |
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| 71 | { |
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| 72 | #ifdef DEBUG_JOY |
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| 73 | printk(KERN_DEBUG "joystick.c: Disconnected device: %s\n", handle->dev->phys); |
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| 74 | #endif |
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| 75 | input_close_device(handle); |
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| 76 | |||
| 77 | kfree(handle); |
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| 78 | } |
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| 79 | |||
| 80 | /*static struct input_device_id joystick_ids[] = { |
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| 81 | { .driver_info = 1 }, // Matches all devices |
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| 82 | { }, // Terminating zero entry |
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| 83 | };*/ |
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| 84 | |||
| 85 | static struct input_device_id joystick_ids[] = { |
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| 86 | { |
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| 87 | .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT, |
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| 88 | .evbit = { BIT(EV_ABS) }, |
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| 89 | .absbit = { BIT(ABS_X) }, |
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| 90 | }, |
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| 91 | { |
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| 92 | .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT, |
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| 93 | .evbit = { BIT(EV_ABS) }, |
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| 94 | .absbit = { BIT(ABS_WHEEL) }, |
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| 95 | }, |
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| 96 | { |
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| 97 | .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_ABSBIT, |
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| 98 | .evbit = { BIT(EV_ABS) }, |
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| 99 | .absbit = { BIT(ABS_THROTTLE) }, |
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| 100 | }, |
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| 101 | { }, /* Terminating entry */ |
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| 102 | }; |
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| 103 | |||
| 104 | MODULE_DEVICE_TABLE(input, joystick_ids); |
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| 105 | |||
| 106 | static struct input_handler joystick_handler = { |
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| 107 | .event = joystick_event, |
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| 108 | .connect = joystick_connect, |
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| 109 | .disconnect = joystick_disconnect, |
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| 110 | .name = "joystick", |
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| 111 | .id_table = joystick_ids, |
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| 112 | }; |
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| 113 | |||
| 114 | int __init joystick_init(void) |
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| 115 | { |
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| 116 | input_register_handler(&joystick_handler); |
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| 117 | return 0; |
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| 118 | } |
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| 119 | |||
| 120 | void __exit joystick_exit(void) |
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| 121 | { |
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| 122 | input_unregister_handler(&joystick_handler); |
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| 123 | } |
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| 124 | |||
| 125 | module_init(joystick_init); |
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| 126 | module_exit(joystick_exit); |