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b5635b12 JS |
1 | /* |
2 | * HID driver for some belkin "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) 2006-2007 Jiri Kosina | |
8 | * Copyright (c) 2007 Paul Walmsley | |
9 | * Copyright (c) 2008 Jiri Slaby | |
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/hid.h> | |
21 | #include <linux/module.h> | |
22 | ||
23 | #include "hid-ids.h" | |
24 | ||
25 | #define BELKIN_HIDDEV 0x01 | |
26 | #define BELKIN_WKBD 0x02 | |
27 | ||
28 | #define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ | |
29 | EV_KEY, (c)) | |
30 | static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
31 | struct hid_field *field, struct hid_usage *usage, | |
32 | unsigned long **bit, int *max) | |
33 | { | |
34 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
35 | ||
36 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || | |
37 | !(quirks & BELKIN_WKBD)) | |
38 | return 0; | |
39 | ||
40 | switch (usage->hid & HID_USAGE) { | |
41 | case 0x03a: belkin_map_key_clear(KEY_SOUND); break; | |
42 | case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; | |
43 | case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; | |
44 | default: | |
45 | return 0; | |
46 | } | |
47 | return 1; | |
48 | } | |
49 | ||
50 | static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
51 | { | |
52 | unsigned long quirks = id->driver_data; | |
53 | int ret; | |
54 | ||
55 | hid_set_drvdata(hdev, (void *)quirks); | |
56 | ||
57 | if (quirks & BELKIN_HIDDEV) | |
58 | hdev->quirks |= HID_QUIRK_HIDDEV; | |
59 | ||
60 | ret = hid_parse(hdev); | |
61 | if (ret) { | |
62 | dev_err(&hdev->dev, "parse failed\n"); | |
63 | goto err_free; | |
64 | } | |
65 | ||
66 | ret = hid_hw_start(hdev); | |
67 | if (ret) { | |
68 | dev_err(&hdev->dev, "hw start failed\n"); | |
69 | goto err_free; | |
70 | } | |
71 | ||
72 | return 0; | |
73 | err_free: | |
74 | return ret; | |
75 | } | |
76 | ||
77 | static const struct hid_device_id belkin_devices[] = { | |
78 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), | |
79 | .driver_data = BELKIN_HIDDEV }, | |
80 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), | |
81 | .driver_data = BELKIN_WKBD }, | |
82 | { } | |
83 | }; | |
84 | MODULE_DEVICE_TABLE(hid, belkin_devices); | |
85 | ||
86 | static struct hid_driver belkin_driver = { | |
87 | .name = "belkin", | |
88 | .id_table = belkin_devices, | |
89 | .input_mapping = belkin_input_mapping, | |
90 | .probe = belkin_probe, | |
91 | }; | |
92 | ||
93 | static int belkin_init(void) | |
94 | { | |
95 | return hid_register_driver(&belkin_driver); | |
96 | } | |
97 | ||
98 | static void belkin_exit(void) | |
99 | { | |
100 | hid_unregister_driver(&belkin_driver); | |
101 | } | |
102 | ||
103 | module_init(belkin_init); | |
104 | module_exit(belkin_exit); | |
105 | MODULE_LICENSE("GPL"); | |
106 | ||
107 | HID_COMPAT_LOAD_DRIVER(belkin); |