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90231e7e JS |
1 | /* |
2 | * HID driver for some sunplus "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 | ||
73e4008d NK |
25 | static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
26 | unsigned int *rsize) | |
90231e7e | 27 | { |
73e4008d | 28 | if (*rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 && |
90231e7e JS |
29 | rdesc[106] == 0x03) { |
30 | dev_info(&hdev->dev, "fixing up Sunplus Wireless Desktop " | |
31 | "report descriptor\n"); | |
32 | rdesc[105] = rdesc[110] = 0x03; | |
33 | rdesc[106] = rdesc[111] = 0x21; | |
34 | } | |
73e4008d | 35 | return rdesc; |
90231e7e JS |
36 | } |
37 | ||
38 | #define sp_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ | |
39 | EV_KEY, (c)) | |
40 | static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
41 | struct hid_field *field, struct hid_usage *usage, | |
42 | unsigned long **bit, int *max) | |
43 | { | |
44 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) | |
45 | return 0; | |
46 | ||
47 | switch (usage->hid & HID_USAGE) { | |
48 | case 0x2003: sp_map_key_clear(KEY_ZOOMIN); break; | |
49 | case 0x2103: sp_map_key_clear(KEY_ZOOMOUT); break; | |
50 | default: | |
51 | return 0; | |
52 | } | |
53 | return 1; | |
54 | } | |
55 | ||
56 | static const struct hid_device_id sp_devices[] = { | |
57 | { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, | |
58 | { } | |
59 | }; | |
60 | MODULE_DEVICE_TABLE(hid, sp_devices); | |
61 | ||
62 | static struct hid_driver sp_driver = { | |
63 | .name = "sunplus", | |
64 | .id_table = sp_devices, | |
65 | .report_fixup = sp_report_fixup, | |
66 | .input_mapping = sp_input_mapping, | |
67 | }; | |
68 | ||
a24f423b | 69 | static int __init sp_init(void) |
90231e7e JS |
70 | { |
71 | return hid_register_driver(&sp_driver); | |
72 | } | |
73 | ||
a24f423b | 74 | static void __exit sp_exit(void) |
90231e7e JS |
75 | { |
76 | hid_unregister_driver(&sp_driver); | |
77 | } | |
78 | ||
79 | module_init(sp_init); | |
80 | module_exit(sp_exit); | |
81 | MODULE_LICENSE("GPL"); |