Commit | Line | Data |
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78a849a6 JS |
1 | /* |
2 | * HID driver for some microsoft "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/input.h> | |
21 | #include <linux/hid.h> | |
22 | #include <linux/module.h> | |
23 | ||
24 | #include "hid-ids.h" | |
25 | ||
26 | #define MS_HIDINPUT 0x01 | |
27 | #define MS_ERGONOMY 0x02 | |
28 | #define MS_PRESENTER 0x04 | |
29 | #define MS_RDESC 0x08 | |
30 | #define MS_NOGET 0x10 | |
31 | ||
32 | /* | |
33 | * Microsoft Wireless Desktop Receiver (Model 1028) has several | |
34 | * 'Usage Min/Max' where it ought to have 'Physical Min/Max' | |
35 | */ | |
36 | static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, | |
37 | unsigned int rsize) | |
38 | { | |
39 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
40 | ||
41 | if ((quirks & MS_RDESC) && rsize == 571 && rdesc[284] == 0x19 && | |
42 | rdesc[286] == 0x2a && rdesc[304] == 0x19 && | |
43 | rdesc[306] == 0x29 && rdesc[352] == 0x1a && | |
44 | rdesc[355] == 0x2a && rdesc[557] == 0x19 && | |
45 | rdesc[559] == 0x29) { | |
46 | dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " | |
47 | "Model 1028 report descriptor\n"); | |
48 | rdesc[284] = rdesc[304] = rdesc[557] = 0x35; | |
49 | rdesc[352] = 0x36; | |
50 | rdesc[286] = rdesc[355] = 0x46; | |
51 | rdesc[306] = rdesc[559] = 0x45; | |
52 | } | |
53 | } | |
54 | ||
55 | #define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ | |
56 | EV_KEY, (c)) | |
57 | static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, | |
58 | unsigned long **bit, int *max) | |
59 | { | |
60 | struct input_dev *input = hi->input; | |
61 | ||
62 | switch (usage->hid & HID_USAGE) { | |
63 | case 0xfd06: ms_map_key_clear(KEY_CHAT); break; | |
64 | case 0xfd07: ms_map_key_clear(KEY_PHONE); break; | |
65 | case 0xff05: | |
66 | set_bit(EV_REP, input->evbit); | |
67 | ms_map_key_clear(KEY_F13); | |
68 | set_bit(KEY_F14, input->keybit); | |
69 | set_bit(KEY_F15, input->keybit); | |
70 | set_bit(KEY_F16, input->keybit); | |
71 | set_bit(KEY_F17, input->keybit); | |
72 | set_bit(KEY_F18, input->keybit); | |
73 | default: | |
74 | return 0; | |
75 | } | |
76 | return 1; | |
77 | } | |
78 | ||
79 | static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, | |
80 | unsigned long **bit, int *max) | |
81 | { | |
82 | set_bit(EV_REP, hi->input->evbit); | |
83 | switch (usage->hid & HID_USAGE) { | |
84 | case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; | |
85 | case 0xfd09: ms_map_key_clear(KEY_BACK); break; | |
86 | case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; | |
87 | case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; | |
88 | case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; | |
89 | default: | |
90 | return 0; | |
91 | } | |
92 | return 1; | |
93 | } | |
94 | ||
95 | static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
96 | struct hid_field *field, struct hid_usage *usage, | |
97 | unsigned long **bit, int *max) | |
98 | { | |
99 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
100 | ||
101 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) | |
102 | return 0; | |
103 | ||
104 | if (quirks & MS_ERGONOMY) { | |
105 | int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); | |
106 | if (ret) | |
107 | return ret; | |
108 | } | |
109 | ||
110 | if ((quirks & MS_PRESENTER) && | |
111 | ms_presenter_8k_quirk(hi, usage, bit, max)) | |
112 | return 1; | |
113 | ||
114 | return 0; | |
115 | } | |
116 | ||
117 | static int ms_event(struct hid_device *hdev, struct hid_field *field, | |
118 | struct hid_usage *usage, __s32 value) | |
119 | { | |
120 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
121 | ||
122 | if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || | |
123 | !usage->type) | |
124 | return 0; | |
125 | ||
126 | /* Handling MS keyboards special buttons */ | |
127 | if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { | |
128 | struct input_dev *input = field->hidinput->input; | |
129 | static unsigned int last_key = 0; | |
130 | unsigned int key = 0; | |
131 | switch (value) { | |
132 | case 0x01: key = KEY_F14; break; | |
133 | case 0x02: key = KEY_F15; break; | |
134 | case 0x04: key = KEY_F16; break; | |
135 | case 0x08: key = KEY_F17; break; | |
136 | case 0x10: key = KEY_F18; break; | |
137 | } | |
138 | if (key) { | |
139 | input_event(input, usage->type, key, 1); | |
140 | last_key = key; | |
141 | } else | |
142 | input_event(input, usage->type, last_key, 0); | |
143 | ||
144 | return 1; | |
145 | } | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
150 | static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
151 | { | |
152 | unsigned long quirks = id->driver_data; | |
153 | int ret; | |
154 | ||
155 | hid_set_drvdata(hdev, (void *)quirks); | |
156 | ||
78a849a6 JS |
157 | if (quirks & MS_NOGET) |
158 | hdev->quirks |= HID_QUIRK_NOGET; | |
159 | ||
160 | ret = hid_parse(hdev); | |
161 | if (ret) { | |
162 | dev_err(&hdev->dev, "parse failed\n"); | |
163 | goto err_free; | |
164 | } | |
165 | ||
93c10132 JS |
166 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? |
167 | HID_CONNECT_HIDINPUT_FORCE : 0)); | |
78a849a6 JS |
168 | if (ret) { |
169 | dev_err(&hdev->dev, "hw start failed\n"); | |
170 | goto err_free; | |
171 | } | |
172 | ||
173 | return 0; | |
174 | err_free: | |
175 | return ret; | |
176 | } | |
177 | ||
178 | static const struct hid_device_id ms_devices[] = { | |
179 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), | |
180 | .driver_data = MS_HIDINPUT }, | |
181 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), | |
182 | .driver_data = MS_ERGONOMY }, | |
183 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), | |
184 | .driver_data = MS_ERGONOMY | MS_RDESC }, | |
185 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), | |
186 | .driver_data = MS_PRESENTER }, | |
187 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), | |
188 | .driver_data = MS_NOGET }, | |
189 | ||
190 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), | |
191 | .driver_data = MS_PRESENTER }, | |
192 | { } | |
193 | }; | |
194 | MODULE_DEVICE_TABLE(hid, ms_devices); | |
195 | ||
196 | static struct hid_driver ms_driver = { | |
197 | .name = "microsoft", | |
198 | .id_table = ms_devices, | |
199 | .report_fixup = ms_report_fixup, | |
200 | .input_mapping = ms_input_mapping, | |
201 | .event = ms_event, | |
202 | .probe = ms_probe, | |
203 | }; | |
204 | ||
205 | static int ms_init(void) | |
206 | { | |
207 | return hid_register_driver(&ms_driver); | |
208 | } | |
209 | ||
210 | static void ms_exit(void) | |
211 | { | |
212 | hid_unregister_driver(&ms_driver); | |
213 | } | |
214 | ||
215 | module_init(ms_init); | |
216 | module_exit(ms_exit); | |
217 | MODULE_LICENSE("GPL"); | |
218 | ||
219 | HID_COMPAT_LOAD_DRIVER(microsoft); |