1 /*
2 * HID driver for some monterey "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
mr_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int rsize)25 static void mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
26 unsigned int rsize)
27 {
28 if (rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
29 dev_info(&hdev->dev, "fixing up button/consumer in HID report "
30 "descriptor\n");
31 rdesc[30] = 0x0c;
32 }
33 }
34
35 #define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
36 EV_KEY, (c))
mr_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)37 static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi,
38 struct hid_field *field, struct hid_usage *usage,
39 unsigned long **bit, int *max)
40 {
41 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
42 return 0;
43
44 switch (usage->hid & HID_USAGE) {
45 case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break;
46 case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break;
47 case 0x158: mr_map_key_clear(KEY_PRESENTATION); break;
48 case 0x15c: mr_map_key_clear(KEY_STOP); break;
49 default:
50 return 0;
51 }
52 return 1;
53 }
54
55 static const struct hid_device_id mr_devices[] = {
56 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
57 { }
58 };
59 MODULE_DEVICE_TABLE(hid, mr_devices);
60
61 static struct hid_driver mr_driver = {
62 .name = "monterey",
63 .id_table = mr_devices,
64 .report_fixup = mr_report_fixup,
65 .input_mapping = mr_input_mapping,
66 };
67
mr_init(void)68 static int mr_init(void)
69 {
70 return hid_register_driver(&mr_driver);
71 }
72
mr_exit(void)73 static void mr_exit(void)
74 {
75 hid_unregister_driver(&mr_driver);
76 }
77
78 module_init(mr_init);
79 module_exit(mr_exit);
80 MODULE_LICENSE("GPL");
81
82 HID_COMPAT_LOAD_DRIVER(monterey);
83