Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
[sfrench/cifs-2.6.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) 2007 Paul Walmsley
8  *  Copyright (c) 2008 Jiri Slaby
9  *  Copyright (c) 2006-2008 Jiri Kosina
10  */
11
12 /*
13  * This program is free software; you can redistribute it and/or modify it
14  * under the terms of the GNU General Public License as published by the Free
15  * Software Foundation; either version 2 of the License, or (at your option)
16  * any later version.
17  */
18
19 #include <linux/device.h>
20 #include <linux/input.h>
21 #include <linux/hid.h>
22 #include <linux/module.h>
23
24 #include "hid-ids.h"
25
26 #define gy_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
27                                         EV_KEY, (c))
28 static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
29                 struct hid_field *field, struct hid_usage *usage,
30                 unsigned long **bit, int *max)
31 {
32         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
33                 return 0;
34
35         set_bit(EV_REP, hi->input->evbit);
36         switch (usage->hid & HID_USAGE) {
37         /* Reported on Gyration MCE Remote */
38         case 0x00d: gy_map_key_clear(KEY_HOME);         break;
39         case 0x024: gy_map_key_clear(KEY_DVD);          break;
40         case 0x025: gy_map_key_clear(KEY_PVR);          break;
41         case 0x046: gy_map_key_clear(KEY_MEDIA);        break;
42         case 0x047: gy_map_key_clear(KEY_MP3);          break;
43         case 0x048: gy_map_key_clear(KEY_MEDIA);        break;
44         case 0x049: gy_map_key_clear(KEY_CAMERA);       break;
45         case 0x04a: gy_map_key_clear(KEY_VIDEO);        break;
46
47         default:
48                 return 0;
49         }
50         return 1;
51 }
52
53 static int gyration_event(struct hid_device *hdev, struct hid_field *field,
54                 struct hid_usage *usage, __s32 value)
55 {
56
57         if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
58                 return 0;
59
60         if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
61                         (usage->hid & 0xff) == 0x82) {
62                 struct input_dev *input = field->hidinput->input;
63                 input_event(input, usage->type, usage->code, 1);
64                 input_sync(input);
65                 input_event(input, usage->type, usage->code, 0);
66                 input_sync(input);
67                 return 1;
68         }
69
70         return 0;
71 }
72
73 static const struct hid_device_id gyration_devices[] = {
74         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
75         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
76         { }
77 };
78 MODULE_DEVICE_TABLE(hid, gyration_devices);
79
80 static struct hid_driver gyration_driver = {
81         .name = "gyration",
82         .id_table = gyration_devices,
83         .input_mapping = gyration_input_mapping,
84         .event = gyration_event,
85 };
86
87 static int __init gyration_init(void)
88 {
89         return hid_register_driver(&gyration_driver);
90 }
91
92 static void __exit gyration_exit(void)
93 {
94         hid_unregister_driver(&gyration_driver);
95 }
96
97 module_init(gyration_init);
98 module_exit(gyration_exit);
99 MODULE_LICENSE("GPL");