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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 | /* | |
0fb21de0 | 33 | * Microsoft Wireless Desktop Receiver (Model 1028) has |
78a849a6 JS |
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 | ||
0fb21de0 | 41 | if ((quirks & MS_RDESC) && rsize == 571 && rdesc[557] == 0x19 && |
78a849a6 JS |
42 | rdesc[559] == 0x29) { |
43 | dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " | |
44 | "Model 1028 report descriptor\n"); | |
0fb21de0 JK |
45 | rdesc[557] = 0x35; |
46 | rdesc[559] = 0x45; | |
78a849a6 JS |
47 | } |
48 | } | |
49 | ||
50 | #define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ | |
51 | EV_KEY, (c)) | |
52 | static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, | |
53 | unsigned long **bit, int *max) | |
54 | { | |
55 | struct input_dev *input = hi->input; | |
56 | ||
57 | switch (usage->hid & HID_USAGE) { | |
58 | case 0xfd06: ms_map_key_clear(KEY_CHAT); break; | |
59 | case 0xfd07: ms_map_key_clear(KEY_PHONE); break; | |
60 | case 0xff05: | |
61 | set_bit(EV_REP, input->evbit); | |
62 | ms_map_key_clear(KEY_F13); | |
63 | set_bit(KEY_F14, input->keybit); | |
64 | set_bit(KEY_F15, input->keybit); | |
65 | set_bit(KEY_F16, input->keybit); | |
66 | set_bit(KEY_F17, input->keybit); | |
67 | set_bit(KEY_F18, input->keybit); | |
68 | default: | |
69 | return 0; | |
70 | } | |
71 | return 1; | |
72 | } | |
73 | ||
74 | static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, | |
75 | unsigned long **bit, int *max) | |
76 | { | |
77 | set_bit(EV_REP, hi->input->evbit); | |
78 | switch (usage->hid & HID_USAGE) { | |
79 | case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; | |
80 | case 0xfd09: ms_map_key_clear(KEY_BACK); break; | |
81 | case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; | |
82 | case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; | |
83 | case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; | |
84 | default: | |
85 | return 0; | |
86 | } | |
87 | return 1; | |
88 | } | |
89 | ||
90 | static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |
91 | struct hid_field *field, struct hid_usage *usage, | |
92 | unsigned long **bit, int *max) | |
93 | { | |
94 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
95 | ||
96 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) | |
97 | return 0; | |
98 | ||
99 | if (quirks & MS_ERGONOMY) { | |
100 | int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); | |
101 | if (ret) | |
102 | return ret; | |
103 | } | |
104 | ||
105 | if ((quirks & MS_PRESENTER) && | |
106 | ms_presenter_8k_quirk(hi, usage, bit, max)) | |
107 | return 1; | |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
112 | static int ms_event(struct hid_device *hdev, struct hid_field *field, | |
113 | struct hid_usage *usage, __s32 value) | |
114 | { | |
115 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); | |
116 | ||
117 | if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || | |
118 | !usage->type) | |
119 | return 0; | |
120 | ||
121 | /* Handling MS keyboards special buttons */ | |
122 | if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { | |
123 | struct input_dev *input = field->hidinput->input; | |
124 | static unsigned int last_key = 0; | |
125 | unsigned int key = 0; | |
126 | switch (value) { | |
127 | case 0x01: key = KEY_F14; break; | |
128 | case 0x02: key = KEY_F15; break; | |
129 | case 0x04: key = KEY_F16; break; | |
130 | case 0x08: key = KEY_F17; break; | |
131 | case 0x10: key = KEY_F18; break; | |
132 | } | |
133 | if (key) { | |
134 | input_event(input, usage->type, key, 1); | |
135 | last_key = key; | |
136 | } else | |
137 | input_event(input, usage->type, last_key, 0); | |
138 | ||
139 | return 1; | |
140 | } | |
141 | ||
142 | return 0; | |
143 | } | |
144 | ||
145 | static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
146 | { | |
147 | unsigned long quirks = id->driver_data; | |
148 | int ret; | |
149 | ||
150 | hid_set_drvdata(hdev, (void *)quirks); | |
151 | ||
78a849a6 JS |
152 | if (quirks & MS_NOGET) |
153 | hdev->quirks |= HID_QUIRK_NOGET; | |
154 | ||
155 | ret = hid_parse(hdev); | |
156 | if (ret) { | |
157 | dev_err(&hdev->dev, "parse failed\n"); | |
158 | goto err_free; | |
159 | } | |
160 | ||
93c10132 JS |
161 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? |
162 | HID_CONNECT_HIDINPUT_FORCE : 0)); | |
78a849a6 JS |
163 | if (ret) { |
164 | dev_err(&hdev->dev, "hw start failed\n"); | |
165 | goto err_free; | |
166 | } | |
167 | ||
168 | return 0; | |
169 | err_free: | |
170 | return ret; | |
171 | } | |
172 | ||
173 | static const struct hid_device_id ms_devices[] = { | |
174 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), | |
175 | .driver_data = MS_HIDINPUT }, | |
176 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), | |
177 | .driver_data = MS_ERGONOMY }, | |
178 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), | |
179 | .driver_data = MS_ERGONOMY | MS_RDESC }, | |
180 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), | |
181 | .driver_data = MS_PRESENTER }, | |
182 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), | |
183 | .driver_data = MS_NOGET }, | |
184 | ||
185 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), | |
186 | .driver_data = MS_PRESENTER }, | |
187 | { } | |
188 | }; | |
189 | MODULE_DEVICE_TABLE(hid, ms_devices); | |
190 | ||
191 | static struct hid_driver ms_driver = { | |
192 | .name = "microsoft", | |
193 | .id_table = ms_devices, | |
194 | .report_fixup = ms_report_fixup, | |
195 | .input_mapping = ms_input_mapping, | |
196 | .event = ms_event, | |
197 | .probe = ms_probe, | |
198 | }; | |
199 | ||
200 | static int ms_init(void) | |
201 | { | |
202 | return hid_register_driver(&ms_driver); | |
203 | } | |
204 | ||
205 | static void ms_exit(void) | |
206 | { | |
207 | hid_unregister_driver(&ms_driver); | |
208 | } | |
209 | ||
210 | module_init(ms_init); | |
211 | module_exit(ms_exit); | |
212 | MODULE_LICENSE("GPL"); |