GNU Linux-libre 4.4.289-gnu1
[releases.git] / drivers / hid / hid-gyration.c
1 /*
2  *  HID driver for some gyration "special" devices
3  *
4  *  Copyright (c) 1999 Andreas Gal
5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7  *  Copyright (c) 2008 Jiri Slaby
8  *  Copyright (c) 2006-2008 Jiri Kosina
9  */
10
11 /*
12  * This program is free software; you can redistribute it and/or modify it
13  * under the terms of the GNU General Public License as published by the Free
14  * Software Foundation; either version 2 of the License, or (at your option)
15  * any later version.
16  */
17
18 #include <linux/device.h>
19 #include <linux/input.h>
20 #include <linux/hid.h>
21 #include <linux/module.h>
22
23 #include "hid-ids.h"
24
25 #define gy_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
26                                         EV_KEY, (c))
27 static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
28                 struct hid_field *field, struct hid_usage *usage,
29                 unsigned long **bit, int *max)
30 {
31         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
32                 return 0;
33
34         set_bit(EV_REP, hi->input->evbit);
35         switch (usage->hid & HID_USAGE) {
36         /* Reported on Gyration MCE Remote */
37         case 0x00d: gy_map_key_clear(KEY_HOME);         break;
38         case 0x024: gy_map_key_clear(KEY_DVD);          break;
39         case 0x025: gy_map_key_clear(KEY_PVR);          break;
40         case 0x046: gy_map_key_clear(KEY_MEDIA);        break;
41         case 0x047: gy_map_key_clear(KEY_MP3);          break;
42         case 0x048: gy_map_key_clear(KEY_MEDIA);        break;
43         case 0x049: gy_map_key_clear(KEY_CAMERA);       break;
44         case 0x04a: gy_map_key_clear(KEY_VIDEO);        break;
45         case 0x05a: gy_map_key_clear(KEY_TEXT);         break;
46         case 0x05b: gy_map_key_clear(KEY_RED);          break;
47         case 0x05c: gy_map_key_clear(KEY_GREEN);        break;
48         case 0x05d: gy_map_key_clear(KEY_YELLOW);       break;
49         case 0x05e: gy_map_key_clear(KEY_BLUE);         break;
50
51         default:
52                 return 0;
53         }
54         return 1;
55 }
56
57 static int gyration_event(struct hid_device *hdev, struct hid_field *field,
58                 struct hid_usage *usage, __s32 value)
59 {
60
61         if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
62                 return 0;
63
64         if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
65                         (usage->hid & 0xff) == 0x82) {
66                 struct input_dev *input = field->hidinput->input;
67                 input_event(input, usage->type, usage->code, 1);
68                 input_sync(input);
69                 input_event(input, usage->type, usage->code, 0);
70                 input_sync(input);
71                 return 1;
72         }
73
74         return 0;
75 }
76
77 static const struct hid_device_id gyration_devices[] = {
78         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
79         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
80         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
81         { }
82 };
83 MODULE_DEVICE_TABLE(hid, gyration_devices);
84
85 static struct hid_driver gyration_driver = {
86         .name = "gyration",
87         .id_table = gyration_devices,
88         .input_mapping = gyration_input_mapping,
89         .event = gyration_event,
90 };
91 module_hid_driver(gyration_driver);
92
93 MODULE_LICENSE("GPL");