diff options
Diffstat (limited to 'drivers/hid/hid-belkin.c')
-rw-r--r-- | drivers/hid/hid-belkin.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c new file mode 100644 index 000000000000..12c8a9ba6ed6 --- /dev/null +++ b/drivers/hid/hid-belkin.c | |||
@@ -0,0 +1,105 @@ | |||
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 | ret = hid_parse(hdev); | ||
58 | if (ret) { | ||
59 | dev_err(&hdev->dev, "parse failed\n"); | ||
60 | goto err_free; | ||
61 | } | ||
62 | |||
63 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | | ||
64 | ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); | ||
65 | if (ret) { | ||
66 | dev_err(&hdev->dev, "hw start failed\n"); | ||
67 | goto err_free; | ||
68 | } | ||
69 | |||
70 | return 0; | ||
71 | err_free: | ||
72 | return ret; | ||
73 | } | ||
74 | |||
75 | static const struct hid_device_id belkin_devices[] = { | ||
76 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), | ||
77 | .driver_data = BELKIN_HIDDEV }, | ||
78 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), | ||
79 | .driver_data = BELKIN_WKBD }, | ||
80 | { } | ||
81 | }; | ||
82 | MODULE_DEVICE_TABLE(hid, belkin_devices); | ||
83 | |||
84 | static struct hid_driver belkin_driver = { | ||
85 | .name = "belkin", | ||
86 | .id_table = belkin_devices, | ||
87 | .input_mapping = belkin_input_mapping, | ||
88 | .probe = belkin_probe, | ||
89 | }; | ||
90 | |||
91 | static int belkin_init(void) | ||
92 | { | ||
93 | return hid_register_driver(&belkin_driver); | ||
94 | } | ||
95 | |||
96 | static void belkin_exit(void) | ||
97 | { | ||
98 | hid_unregister_driver(&belkin_driver); | ||
99 | } | ||
100 | |||
101 | module_init(belkin_init); | ||
102 | module_exit(belkin_exit); | ||
103 | MODULE_LICENSE("GPL"); | ||
104 | |||
105 | HID_COMPAT_LOAD_DRIVER(belkin); | ||