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HID: update copyright and authorship macro
[deliverable/linux.git] / drivers / hid / usbhid / hid-core.c
1 /*
2 * USB HID support for Linux
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 */
9
10 /*
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
14 * any later version.
15 */
16
17 #include <linux/module.h>
18 #include <linux/slab.h>
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/list.h>
22 #include <linux/mm.h>
23 #include <linux/smp_lock.h>
24 #include <linux/spinlock.h>
25 #include <asm/unaligned.h>
26 #include <asm/byteorder.h>
27 #include <linux/input.h>
28 #include <linux/wait.h>
29
30 #include <linux/usb.h>
31
32 #include <linux/hid.h>
33 #include <linux/hiddev.h>
34 #include <linux/hid-debug.h>
35 #include "usbhid.h"
36
37 /*
38 * Version Information
39 */
40
41 #define DRIVER_VERSION "v2.6"
42 #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina"
43 #define DRIVER_DESC "USB HID core driver"
44 #define DRIVER_LICENSE "GPL"
45
46 static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
47 "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
48 /*
49 * Module parameters.
50 */
51
52 static unsigned int hid_mousepoll_interval;
53 module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
54 MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
55
56 #define USB_VENDOR_ID_A4TECH 0x09da
57 #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
58
59 #define USB_VENDOR_ID_AASHIMA 0x06d6
60 #define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
61 #define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
62
63 #define USB_VENDOR_ID_ACECAD 0x0460
64 #define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
65 #define USB_DEVICE_ID_ACECAD_302 0x0008
66
67 #define USB_VENDOR_ID_AIPTEK 0x08ca
68 #define USB_DEVICE_ID_AIPTEK_01 0x0001
69 #define USB_DEVICE_ID_AIPTEK_10 0x0010
70 #define USB_DEVICE_ID_AIPTEK_20 0x0020
71 #define USB_DEVICE_ID_AIPTEK_21 0x0021
72 #define USB_DEVICE_ID_AIPTEK_22 0x0022
73 #define USB_DEVICE_ID_AIPTEK_23 0x0023
74 #define USB_DEVICE_ID_AIPTEK_24 0x0024
75
76 #define USB_VENDOR_ID_AIRCABLE 0x16CA
77 #define USB_DEVICE_ID_AIRCABLE1 0x1502
78
79 #define USB_VENDOR_ID_ALCOR 0x058f
80 #define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
81
82 #define USB_VENDOR_ID_ALPS 0x0433
83 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
84
85 #define USB_VENDOR_ID_APPLE 0x05ac
86 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
87 #define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e
88 #define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f
89 #define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214
90 #define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215
91 #define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216
92 #define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217
93 #define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218
94 #define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219
95 #define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a
96 #define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b
97 #define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c
98 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a
99 #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b
100 #define USB_DEVICE_ID_APPLE_IR 0x8240
101
102 #define USB_VENDOR_ID_ATEN 0x0557
103 #define USB_DEVICE_ID_ATEN_UC100KM 0x2004
104 #define USB_DEVICE_ID_ATEN_CS124U 0x2202
105 #define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
106 #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
107 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
108
109 #define USB_VENDOR_ID_BELKIN 0x050d
110 #define USB_DEVICE_ID_FLIP_KVM 0x3201
111
112 #define USB_VENDOR_ID_BERKSHIRE 0x0c98
113 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
114
115 #define USB_VENDOR_ID_CHERRY 0x046a
116 #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
117
118 #define USB_VENDOR_ID_CHIC 0x05fe
119 #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
120
121 #define USB_VENDOR_ID_CIDC 0x1677
122
123 #define USB_VENDOR_ID_CODEMERCS 0x07c0
124 #define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500
125 #define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff
126
127 #define USB_VENDOR_ID_CYPRESS 0x04b4
128 #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
129 #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
130 #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
131
132 #define USB_VENDOR_ID_DELL 0x413c
133 #define USB_DEVICE_ID_DELL_W7658 0x2005
134
135 #define USB_VENDOR_ID_DELORME 0x1163
136 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
137 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
138
139 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
140 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
141
142 #define USB_VENDOR_ID_GLAB 0x06c2
143 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
144 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
145 #define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
146 #define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
147 #define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
148 #define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
149 #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
150 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
151
152 #define USB_VENDOR_ID_GRIFFIN 0x077d
153 #define USB_DEVICE_ID_POWERMATE 0x0410
154 #define USB_DEVICE_ID_SOUNDKNOB 0x04AA
155
156 #define USB_VENDOR_ID_GTCO 0x078c
157 #define USB_DEVICE_ID_GTCO_90 0x0090
158 #define USB_DEVICE_ID_GTCO_100 0x0100
159 #define USB_DEVICE_ID_GTCO_101 0x0101
160 #define USB_DEVICE_ID_GTCO_103 0x0103
161 #define USB_DEVICE_ID_GTCO_104 0x0104
162 #define USB_DEVICE_ID_GTCO_105 0x0105
163 #define USB_DEVICE_ID_GTCO_106 0x0106
164 #define USB_DEVICE_ID_GTCO_107 0x0107
165 #define USB_DEVICE_ID_GTCO_108 0x0108
166 #define USB_DEVICE_ID_GTCO_200 0x0200
167 #define USB_DEVICE_ID_GTCO_201 0x0201
168 #define USB_DEVICE_ID_GTCO_202 0x0202
169 #define USB_DEVICE_ID_GTCO_203 0x0203
170 #define USB_DEVICE_ID_GTCO_204 0x0204
171 #define USB_DEVICE_ID_GTCO_205 0x0205
172 #define USB_DEVICE_ID_GTCO_206 0x0206
173 #define USB_DEVICE_ID_GTCO_207 0x0207
174 #define USB_DEVICE_ID_GTCO_300 0x0300
175 #define USB_DEVICE_ID_GTCO_301 0x0301
176 #define USB_DEVICE_ID_GTCO_302 0x0302
177 #define USB_DEVICE_ID_GTCO_303 0x0303
178 #define USB_DEVICE_ID_GTCO_304 0x0304
179 #define USB_DEVICE_ID_GTCO_305 0x0305
180 #define USB_DEVICE_ID_GTCO_306 0x0306
181 #define USB_DEVICE_ID_GTCO_307 0x0307
182 #define USB_DEVICE_ID_GTCO_308 0x0308
183 #define USB_DEVICE_ID_GTCO_309 0x0309
184 #define USB_DEVICE_ID_GTCO_400 0x0400
185 #define USB_DEVICE_ID_GTCO_401 0x0401
186 #define USB_DEVICE_ID_GTCO_402 0x0402
187 #define USB_DEVICE_ID_GTCO_403 0x0403
188 #define USB_DEVICE_ID_GTCO_404 0x0404
189 #define USB_DEVICE_ID_GTCO_405 0x0405
190 #define USB_DEVICE_ID_GTCO_500 0x0500
191 #define USB_DEVICE_ID_GTCO_501 0x0501
192 #define USB_DEVICE_ID_GTCO_502 0x0502
193 #define USB_DEVICE_ID_GTCO_503 0x0503
194 #define USB_DEVICE_ID_GTCO_504 0x0504
195 #define USB_DEVICE_ID_GTCO_1000 0x1000
196 #define USB_DEVICE_ID_GTCO_1001 0x1001
197 #define USB_DEVICE_ID_GTCO_1002 0x1002
198 #define USB_DEVICE_ID_GTCO_1003 0x1003
199 #define USB_DEVICE_ID_GTCO_1004 0x1004
200 #define USB_DEVICE_ID_GTCO_1005 0x1005
201 #define USB_DEVICE_ID_GTCO_1006 0x1006
202
203 #define USB_VENDOR_ID_HAPP 0x078b
204 #define USB_DEVICE_ID_UGCI_DRIVING 0x0010
205 #define USB_DEVICE_ID_UGCI_FLYING 0x0020
206 #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
207
208 #define USB_VENDOR_ID_IMATION 0x0718
209 #define USB_DEVICE_ID_DISC_STAKKA 0xd000
210
211 #define USB_VENDOR_ID_KBGEAR 0x084e
212 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
213
214 #define USB_VENDOR_ID_LD 0x0f11
215 #define USB_DEVICE_ID_LD_CASSY 0x1000
216 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
217 #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
218 #define USB_DEVICE_ID_LD_JWM 0x1080
219 #define USB_DEVICE_ID_LD_DMMP 0x1081
220 #define USB_DEVICE_ID_LD_UMIP 0x1090
221 #define USB_DEVICE_ID_LD_XRAY1 0x1100
222 #define USB_DEVICE_ID_LD_XRAY2 0x1101
223 #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
224 #define USB_DEVICE_ID_LD_COM3LAB 0x2000
225 #define USB_DEVICE_ID_LD_TELEPORT 0x2010
226 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
227 #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
228 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040
229
230 #define USB_VENDOR_ID_LOGITECH 0x046d
231 #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101
232 #define USB_DEVICE_ID_S510_RECEIVER 0xc50c
233 #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517
234 #define USB_DEVICE_ID_MX3000_RECEIVER 0xc513
235 #define USB_DEVICE_ID_DINOVO_EDGE 0xc714
236
237 #define USB_VENDOR_ID_MCC 0x09db
238 #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
239 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
240
241 #define USB_VENDOR_ID_MGE 0x0463
242 #define USB_DEVICE_ID_MGE_UPS 0xffff
243 #define USB_DEVICE_ID_MGE_UPS1 0x0001
244
245 #define USB_VENDOR_ID_NEC 0x073e
246 #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
247
248 #define USB_VENDOR_ID_ONTRAK 0x0a07
249 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
250
251 #define USB_VENDOR_ID_PANJIT 0x134c
252
253 #define USB_VENDOR_ID_PANTHERLORD 0x0810
254 #define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001
255
256 #define USB_VENDOR_ID_SAITEK 0x06a3
257 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
258
259 #define USB_VENDOR_ID_SONY 0x054c
260 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268
261
262 #define USB_VENDOR_ID_SUN 0x0430
263 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
264
265 #define USB_VENDOR_ID_TOPMAX 0x0663
266 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
267
268 #define USB_VENDOR_ID_TURBOX 0x062a
269 #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
270
271 #define USB_VENDOR_ID_VERNIER 0x08f7
272 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
273 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
274 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003
275 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
276
277 #define USB_VENDOR_ID_WACOM 0x056a
278
279 #define USB_VENDOR_ID_WISEGROUP 0x0925
280 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
281 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
282 #define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
283 #define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800
284 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
285
286 #define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
287 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
288
289 #define USB_VENDOR_ID_YEALINK 0x6993
290 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
291
292 /*
293 * Alphabetically sorted blacklist by quirk type.
294 */
295
296 static const struct hid_blacklist {
297 __u16 idVendor;
298 __u16 idProduct;
299 __u32 quirks;
300 } hid_blacklist[] = {
301
302 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
303 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
304
305 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },
306
307 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
308 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
309 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
310 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
311 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
312 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
313 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
314 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
315 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
316 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
317
318 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
319
320 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE, HID_QUIRK_DUPLICATE_USAGES },
321
322 { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV },
323
324 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
325 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
326 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
327 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
328 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
329 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
330 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
331 { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
332 { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
333 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IR, HID_QUIRK_IGNORE },
334 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
335 { USB_VENDOR_ID_CIDC, 0x0103, HID_QUIRK_IGNORE },
336 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
337 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
338 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
339 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
340 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
341 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
342 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
343 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
344 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
345 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
346 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
347 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
348 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
349 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
350 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
351 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
352 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
353 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
354 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
355 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
356 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
357 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
358 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
359 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
360 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
361 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
362 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
363 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
364 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
365 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
366 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
367 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
368 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
369 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
370 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
371 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
372 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
373 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
374 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
375 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
376 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
377 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
378 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
379 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
380 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
381 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
382 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
383 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
384 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
385 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
386 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
387 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
388 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
389 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
390 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
391 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
392 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
393 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
394 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
395 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
396 { USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA, HID_QUIRK_IGNORE },
397 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
398 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
399 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
400 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
401 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
402 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
403 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
404 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
405 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
406 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
407 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
408 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
409 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
410 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
411 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
412 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
413 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
414 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
415 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
416 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
417 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
418 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
419 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
420 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
421 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
422 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
423 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
424 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
425 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
426 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
427 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
428 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
429 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
430 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
431 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
432 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
433 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
434 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
435 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
436 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
437 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
438
439 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
440 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
441
442 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_LOGITECH_DESCRIPTOR },
443 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_LOGITECH_DESCRIPTOR },
444 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_LOGITECH_DESCRIPTOR },
445
446 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
447
448 { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
449
450 { USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER },
451
452 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
453 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
454 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
455 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
456 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
457 { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
458 { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
459 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
460 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
461
462 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
463
464 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
465 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
466 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
467 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
468 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
469 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
470 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
471 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
472 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
473 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
474 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
475 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
476 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
477
478 { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS },
479
480 { 0, 0 }
481 };
482
483 /*
484 * Input submission and I/O error handler.
485 */
486
487 static void hid_io_error(struct hid_device *hid);
488
489 /* Start up the input URB */
490 static int hid_start_in(struct hid_device *hid)
491 {
492 unsigned long flags;
493 int rc = 0;
494 struct usbhid_device *usbhid = hid->driver_data;
495
496 spin_lock_irqsave(&usbhid->inlock, flags);
497 if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) &&
498 !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
499 rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC);
500 if (rc != 0)
501 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
502 }
503 spin_unlock_irqrestore(&usbhid->inlock, flags);
504 return rc;
505 }
506
507 /* I/O retry timer routine */
508 static void hid_retry_timeout(unsigned long _hid)
509 {
510 struct hid_device *hid = (struct hid_device *) _hid;
511 struct usbhid_device *usbhid = hid->driver_data;
512
513 dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
514 if (hid_start_in(hid))
515 hid_io_error(hid);
516 }
517
518 /* Workqueue routine to reset the device or clear a halt */
519 static void hid_reset(struct work_struct *work)
520 {
521 struct usbhid_device *usbhid =
522 container_of(work, struct usbhid_device, reset_work);
523 struct hid_device *hid = usbhid->hid;
524 int rc_lock, rc = 0;
525
526 if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) {
527 dev_dbg(&usbhid->intf->dev, "clear halt\n");
528 rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe);
529 clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
530 hid_start_in(hid);
531 }
532
533 else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) {
534 dev_dbg(&usbhid->intf->dev, "resetting device\n");
535 rc = rc_lock = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf);
536 if (rc_lock >= 0) {
537 rc = usb_reset_composite_device(hid_to_usb_dev(hid), usbhid->intf);
538 if (rc_lock)
539 usb_unlock_device(hid_to_usb_dev(hid));
540 }
541 clear_bit(HID_RESET_PENDING, &usbhid->iofl);
542 }
543
544 switch (rc) {
545 case 0:
546 if (!test_bit(HID_IN_RUNNING, &usbhid->iofl))
547 hid_io_error(hid);
548 break;
549 default:
550 err("can't reset device, %s-%s/input%d, status %d",
551 hid_to_usb_dev(hid)->bus->bus_name,
552 hid_to_usb_dev(hid)->devpath,
553 usbhid->ifnum, rc);
554 /* FALLTHROUGH */
555 case -EHOSTUNREACH:
556 case -ENODEV:
557 case -EINTR:
558 break;
559 }
560 }
561
562 /* Main I/O error handler */
563 static void hid_io_error(struct hid_device *hid)
564 {
565 unsigned long flags;
566 struct usbhid_device *usbhid = hid->driver_data;
567
568 spin_lock_irqsave(&usbhid->inlock, flags);
569
570 /* Stop when disconnected */
571 if (usb_get_intfdata(usbhid->intf) == NULL)
572 goto done;
573
574 /* If it has been a while since the last error, we'll assume
575 * this a brand new error and reset the retry timeout. */
576 if (time_after(jiffies, usbhid->stop_retry + HZ/2))
577 usbhid->retry_delay = 0;
578
579 /* When an error occurs, retry at increasing intervals */
580 if (usbhid->retry_delay == 0) {
581 usbhid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
582 usbhid->stop_retry = jiffies + msecs_to_jiffies(1000);
583 } else if (usbhid->retry_delay < 100)
584 usbhid->retry_delay *= 2;
585
586 if (time_after(jiffies, usbhid->stop_retry)) {
587
588 /* Retries failed, so do a port reset */
589 if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
590 schedule_work(&usbhid->reset_work);
591 goto done;
592 }
593 }
594
595 mod_timer(&usbhid->io_retry,
596 jiffies + msecs_to_jiffies(usbhid->retry_delay));
597 done:
598 spin_unlock_irqrestore(&usbhid->inlock, flags);
599 }
600
601 /*
602 * Input interrupt completion handler.
603 */
604
605 static void hid_irq_in(struct urb *urb)
606 {
607 struct hid_device *hid = urb->context;
608 struct usbhid_device *usbhid = hid->driver_data;
609 int status;
610
611 switch (urb->status) {
612 case 0: /* success */
613 usbhid->retry_delay = 0;
614 hid_input_report(urb->context, HID_INPUT_REPORT,
615 urb->transfer_buffer,
616 urb->actual_length, 1);
617 break;
618 case -EPIPE: /* stall */
619 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
620 set_bit(HID_CLEAR_HALT, &usbhid->iofl);
621 schedule_work(&usbhid->reset_work);
622 return;
623 case -ECONNRESET: /* unlink */
624 case -ENOENT:
625 case -ESHUTDOWN: /* unplug */
626 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
627 return;
628 case -EILSEQ: /* protocol error or unplug */
629 case -EPROTO: /* protocol error or unplug */
630 case -ETIME: /* protocol error or unplug */
631 case -ETIMEDOUT: /* Should never happen, but... */
632 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
633 hid_io_error(hid);
634 return;
635 default: /* error */
636 warn("input irq status %d received", urb->status);
637 }
638
639 status = usb_submit_urb(urb, GFP_ATOMIC);
640 if (status) {
641 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
642 if (status != -EPERM) {
643 err("can't resubmit intr, %s-%s/input%d, status %d",
644 hid_to_usb_dev(hid)->bus->bus_name,
645 hid_to_usb_dev(hid)->devpath,
646 usbhid->ifnum, status);
647 hid_io_error(hid);
648 }
649 }
650 }
651
652 static int hid_submit_out(struct hid_device *hid)
653 {
654 struct hid_report *report;
655 struct usbhid_device *usbhid = hid->driver_data;
656
657 report = usbhid->out[usbhid->outtail];
658
659 hid_output_report(report, usbhid->outbuf);
660 usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
661 usbhid->urbout->dev = hid_to_usb_dev(hid);
662
663 dbg("submitting out urb");
664
665 if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) {
666 err("usb_submit_urb(out) failed");
667 return -1;
668 }
669
670 return 0;
671 }
672
673 static int hid_submit_ctrl(struct hid_device *hid)
674 {
675 struct hid_report *report;
676 unsigned char dir;
677 int len;
678 struct usbhid_device *usbhid = hid->driver_data;
679
680 report = usbhid->ctrl[usbhid->ctrltail].report;
681 dir = usbhid->ctrl[usbhid->ctrltail].dir;
682
683 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
684 if (dir == USB_DIR_OUT) {
685 hid_output_report(report, usbhid->ctrlbuf);
686 usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0);
687 usbhid->urbctrl->transfer_buffer_length = len;
688 } else {
689 int maxpacket, padlen;
690
691 usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
692 maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
693 if (maxpacket > 0) {
694 padlen = (len + maxpacket - 1) / maxpacket;
695 padlen *= maxpacket;
696 if (padlen > usbhid->bufsize)
697 padlen = usbhid->bufsize;
698 } else
699 padlen = 0;
700 usbhid->urbctrl->transfer_buffer_length = padlen;
701 }
702 usbhid->urbctrl->dev = hid_to_usb_dev(hid);
703
704 usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
705 usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
706 usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
707 usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum);
708 usbhid->cr->wLength = cpu_to_le16(len);
709
710 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
711 usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
712 usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength);
713
714 if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) {
715 err("usb_submit_urb(ctrl) failed");
716 return -1;
717 }
718
719 return 0;
720 }
721
722 /*
723 * Output interrupt completion handler.
724 */
725
726 static void hid_irq_out(struct urb *urb)
727 {
728 struct hid_device *hid = urb->context;
729 struct usbhid_device *usbhid = hid->driver_data;
730 unsigned long flags;
731 int unplug = 0;
732
733 switch (urb->status) {
734 case 0: /* success */
735 break;
736 case -ESHUTDOWN: /* unplug */
737 unplug = 1;
738 case -EILSEQ: /* protocol error or unplug */
739 case -EPROTO: /* protocol error or unplug */
740 case -ECONNRESET: /* unlink */
741 case -ENOENT:
742 break;
743 default: /* error */
744 warn("output irq status %d received", urb->status);
745 }
746
747 spin_lock_irqsave(&usbhid->outlock, flags);
748
749 if (unplug)
750 usbhid->outtail = usbhid->outhead;
751 else
752 usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
753
754 if (usbhid->outhead != usbhid->outtail) {
755 if (hid_submit_out(hid)) {
756 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
757 wake_up(&hid->wait);
758 }
759 spin_unlock_irqrestore(&usbhid->outlock, flags);
760 return;
761 }
762
763 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
764 spin_unlock_irqrestore(&usbhid->outlock, flags);
765 wake_up(&hid->wait);
766 }
767
768 /*
769 * Control pipe completion handler.
770 */
771
772 static void hid_ctrl(struct urb *urb)
773 {
774 struct hid_device *hid = urb->context;
775 struct usbhid_device *usbhid = hid->driver_data;
776 unsigned long flags;
777 int unplug = 0;
778
779 spin_lock_irqsave(&usbhid->ctrllock, flags);
780
781 switch (urb->status) {
782 case 0: /* success */
783 if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
784 hid_input_report(urb->context, usbhid->ctrl[usbhid->ctrltail].report->type,
785 urb->transfer_buffer, urb->actual_length, 0);
786 break;
787 case -ESHUTDOWN: /* unplug */
788 unplug = 1;
789 case -EILSEQ: /* protocol error or unplug */
790 case -EPROTO: /* protocol error or unplug */
791 case -ECONNRESET: /* unlink */
792 case -ENOENT:
793 case -EPIPE: /* report not available */
794 break;
795 default: /* error */
796 warn("ctrl urb status %d received", urb->status);
797 }
798
799 if (unplug)
800 usbhid->ctrltail = usbhid->ctrlhead;
801 else
802 usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
803
804 if (usbhid->ctrlhead != usbhid->ctrltail) {
805 if (hid_submit_ctrl(hid)) {
806 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
807 wake_up(&hid->wait);
808 }
809 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
810 return;
811 }
812
813 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
814 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
815 wake_up(&hid->wait);
816 }
817
818 void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
819 {
820 int head;
821 unsigned long flags;
822 struct usbhid_device *usbhid = hid->driver_data;
823
824 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
825 return;
826
827 if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
828
829 spin_lock_irqsave(&usbhid->outlock, flags);
830
831 if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) {
832 spin_unlock_irqrestore(&usbhid->outlock, flags);
833 warn("output queue full");
834 return;
835 }
836
837 usbhid->out[usbhid->outhead] = report;
838 usbhid->outhead = head;
839
840 if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl))
841 if (hid_submit_out(hid))
842 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
843
844 spin_unlock_irqrestore(&usbhid->outlock, flags);
845 return;
846 }
847
848 spin_lock_irqsave(&usbhid->ctrllock, flags);
849
850 if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) {
851 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
852 warn("control queue full");
853 return;
854 }
855
856 usbhid->ctrl[usbhid->ctrlhead].report = report;
857 usbhid->ctrl[usbhid->ctrlhead].dir = dir;
858 usbhid->ctrlhead = head;
859
860 if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl))
861 if (hid_submit_ctrl(hid))
862 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
863
864 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
865 }
866
867 static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
868 {
869 struct hid_device *hid = dev->private;
870 struct hid_field *field;
871 int offset;
872
873 if (type == EV_FF)
874 return input_ff_event(dev, type, code, value);
875
876 if (type != EV_LED)
877 return -1;
878
879 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
880 warn("event field not found");
881 return -1;
882 }
883
884 hid_set_field(field, offset, value);
885 usbhid_submit_report(hid, field->report, USB_DIR_OUT);
886
887 return 0;
888 }
889
890 int usbhid_wait_io(struct hid_device *hid)
891 {
892 struct usbhid_device *usbhid = hid->driver_data;
893
894 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
895 !test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
896 10*HZ)) {
897 dbg("timeout waiting for ctrl or out queue to clear");
898 return -1;
899 }
900
901 return 0;
902 }
903
904 static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
905 {
906 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
907 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
908 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
909 }
910
911 static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
912 unsigned char type, void *buf, int size)
913 {
914 int result, retries = 4;
915
916 memset(buf, 0, size);
917
918 do {
919 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
920 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
921 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
922 retries--;
923 } while (result < size && retries);
924 return result;
925 }
926
927 int usbhid_open(struct hid_device *hid)
928 {
929 ++hid->open;
930 if (hid_start_in(hid))
931 hid_io_error(hid);
932 return 0;
933 }
934
935 void usbhid_close(struct hid_device *hid)
936 {
937 struct usbhid_device *usbhid = hid->driver_data;
938
939 if (!--hid->open)
940 usb_kill_urb(usbhid->urbin);
941 }
942
943 /*
944 * Initialize all reports
945 */
946
947 void usbhid_init_reports(struct hid_device *hid)
948 {
949 struct hid_report *report;
950 struct usbhid_device *usbhid = hid->driver_data;
951 int err, ret;
952
953 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
954 usbhid_submit_report(hid, report, USB_DIR_IN);
955
956 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
957 usbhid_submit_report(hid, report, USB_DIR_IN);
958
959 err = 0;
960 ret = usbhid_wait_io(hid);
961 while (ret) {
962 err |= ret;
963 if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
964 usb_kill_urb(usbhid->urbctrl);
965 if (test_bit(HID_OUT_RUNNING, &usbhid->iofl))
966 usb_kill_urb(usbhid->urbout);
967 ret = usbhid_wait_io(hid);
968 }
969
970 if (err)
971 warn("timeout initializing reports");
972 }
973
974 /*
975 * Reset LEDs which BIOS might have left on. For now, just NumLock (0x01).
976 */
977 static int hid_find_field_early(struct hid_device *hid, unsigned int page,
978 unsigned int hid_code, struct hid_field **pfield)
979 {
980 struct hid_report *report;
981 struct hid_field *field;
982 struct hid_usage *usage;
983 int i, j;
984
985 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
986 for (i = 0; i < report->maxfield; i++) {
987 field = report->field[i];
988 for (j = 0; j < field->maxusage; j++) {
989 usage = &field->usage[j];
990 if ((usage->hid & HID_USAGE_PAGE) == page &&
991 (usage->hid & 0xFFFF) == hid_code) {
992 *pfield = field;
993 return j;
994 }
995 }
996 }
997 }
998 return -1;
999 }
1000
1001 static void usbhid_set_leds(struct hid_device *hid)
1002 {
1003 struct hid_field *field;
1004 int offset;
1005
1006 if ((offset = hid_find_field_early(hid, HID_UP_LED, 0x01, &field)) != -1) {
1007 hid_set_field(field, offset, 0);
1008 usbhid_submit_report(hid, field->report, USB_DIR_OUT);
1009 }
1010 }
1011
1012 /*
1013 * Traverse the supplied list of reports and find the longest
1014 */
1015 static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
1016 {
1017 struct hid_report *report;
1018 int size;
1019
1020 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
1021 size = ((report->size - 1) >> 3) + 1;
1022 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
1023 size++;
1024 if (*max < size)
1025 *max = size;
1026 }
1027 }
1028
1029 static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
1030 {
1031 struct usbhid_device *usbhid = hid->driver_data;
1032
1033 if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
1034 return -1;
1035 if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
1036 return -1;
1037 if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
1038 return -1;
1039 if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
1040 return -1;
1041
1042 return 0;
1043 }
1044
1045 static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
1046 {
1047 struct usbhid_device *usbhid = hid->driver_data;
1048
1049 if (usbhid->inbuf)
1050 usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma);
1051 if (usbhid->outbuf)
1052 usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma);
1053 if (usbhid->cr)
1054 usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma);
1055 if (usbhid->ctrlbuf)
1056 usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma);
1057 }
1058
1059 /*
1060 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1061 * that needs fixing before we can parse it.
1062 */
1063
1064 static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1065 {
1066 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1067 info("Fixing up Cherry Cymotion report descriptor");
1068 rdesc[11] = rdesc[16] = 0xff;
1069 rdesc[12] = rdesc[17] = 0x03;
1070 }
1071 }
1072
1073 /*
1074 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
1075 * to "operational". Without this, the ps3 controller will not report any
1076 * events.
1077 */
1078 static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum)
1079 {
1080 int result;
1081 char *buf = kmalloc(18, GFP_KERNEL);
1082
1083 if (!buf)
1084 return;
1085
1086 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1087 HID_REQ_GET_REPORT,
1088 USB_DIR_IN | USB_TYPE_CLASS |
1089 USB_RECIP_INTERFACE,
1090 (3 << 8) | 0xf2, ifnum, buf, 17,
1091 USB_CTRL_GET_TIMEOUT);
1092
1093 if (result < 0)
1094 err("%s failed: %d\n", __func__, result);
1095
1096 kfree(buf);
1097 }
1098
1099 /*
1100 * Certain Logitech keyboards send in report #3 keys which are far
1101 * above the logical maximum described in descriptor. This extends
1102 * the original value of 0x28c of logical maximum to 0x104d
1103 */
1104 static void hid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize)
1105 {
1106 if (rsize >= 90 && rdesc[83] == 0x26
1107 && rdesc[84] == 0x8c
1108 && rdesc[85] == 0x02) {
1109 info("Fixing up Logitech keyboard report descriptor");
1110 rdesc[84] = rdesc[89] = 0x4d;
1111 rdesc[85] = rdesc[90] = 0x10;
1112 }
1113 }
1114
1115 static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1116 {
1117 struct usb_host_interface *interface = intf->cur_altsetting;
1118 struct usb_device *dev = interface_to_usbdev (intf);
1119 struct hid_descriptor *hdesc;
1120 struct hid_device *hid;
1121 __u32 quirks = 0;
1122 unsigned rsize = 0;
1123 char *rdesc;
1124 int n, len, insize = 0;
1125 struct usbhid_device *usbhid;
1126
1127 /* Ignore all Wacom devices */
1128 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
1129 return NULL;
1130 /* ignore all Code Mercenaries IOWarrior devices */
1131 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_CODEMERCS)
1132 if (le16_to_cpu(dev->descriptor.idProduct) >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
1133 le16_to_cpu(dev->descriptor.idProduct) <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
1134 return NULL;
1135
1136 for (n = 0; hid_blacklist[n].idVendor; n++)
1137 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1138 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1139 quirks = hid_blacklist[n].quirks;
1140
1141 /* Many keyboards and mice don't like to be polled for reports,
1142 * so we will always set the HID_QUIRK_NOGET flag for them. */
1143 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1144 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1145 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1146 quirks |= HID_QUIRK_NOGET;
1147 }
1148
1149 if (quirks & HID_QUIRK_IGNORE)
1150 return NULL;
1151
1152 if ((quirks & HID_QUIRK_IGNORE_MOUSE) &&
1153 (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE))
1154 return NULL;
1155
1156
1157 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1158 (!interface->desc.bNumEndpoints ||
1159 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1160 dbg("class descriptor not present\n");
1161 return NULL;
1162 }
1163
1164 for (n = 0; n < hdesc->bNumDescriptors; n++)
1165 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1166 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1167
1168 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1169 dbg("weird size of report descriptor (%u)", rsize);
1170 return NULL;
1171 }
1172
1173 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1174 dbg("couldn't allocate rdesc memory");
1175 return NULL;
1176 }
1177
1178 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1179
1180 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1181 dbg("reading report descriptor failed");
1182 kfree(rdesc);
1183 return NULL;
1184 }
1185
1186 if ((quirks & HID_QUIRK_CYMOTION))
1187 hid_fixup_cymotion_descriptor(rdesc, rsize);
1188
1189 if (quirks & HID_QUIRK_LOGITECH_DESCRIPTOR)
1190 hid_fixup_logitech_descriptor(rdesc, rsize);
1191
1192 #ifdef CONFIG_HID_DEBUG
1193 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1194 for (n = 0; n < rsize; n++)
1195 printk(" %02x", (unsigned char) rdesc[n]);
1196 printk("\n");
1197 #endif
1198
1199 if (!(hid = hid_parse_report(rdesc, n))) {
1200 dbg("parsing report descriptor failed");
1201 kfree(rdesc);
1202 return NULL;
1203 }
1204
1205 kfree(rdesc);
1206 hid->quirks = quirks;
1207
1208 if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
1209 goto fail;
1210
1211 hid->driver_data = usbhid;
1212 usbhid->hid = hid;
1213
1214 usbhid->bufsize = HID_MIN_BUFFER_SIZE;
1215 hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize);
1216 hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize);
1217 hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize);
1218
1219 if (usbhid->bufsize > HID_MAX_BUFFER_SIZE)
1220 usbhid->bufsize = HID_MAX_BUFFER_SIZE;
1221
1222 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1223
1224 if (insize > HID_MAX_BUFFER_SIZE)
1225 insize = HID_MAX_BUFFER_SIZE;
1226
1227 if (hid_alloc_buffers(dev, hid)) {
1228 hid_free_buffers(dev, hid);
1229 goto fail;
1230 }
1231
1232 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1233
1234 struct usb_endpoint_descriptor *endpoint;
1235 int pipe;
1236 int interval;
1237
1238 endpoint = &interface->endpoint[n].desc;
1239 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
1240 continue;
1241
1242 interval = endpoint->bInterval;
1243
1244 /* Change the polling interval of mice. */
1245 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1246 interval = hid_mousepoll_interval;
1247
1248 if (usb_endpoint_dir_in(endpoint)) {
1249 if (usbhid->urbin)
1250 continue;
1251 if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1252 goto fail;
1253 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
1254 usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize,
1255 hid_irq_in, hid, interval);
1256 usbhid->urbin->transfer_dma = usbhid->inbuf_dma;
1257 usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1258 } else {
1259 if (usbhid->urbout)
1260 continue;
1261 if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
1262 goto fail;
1263 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
1264 usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0,
1265 hid_irq_out, hid, interval);
1266 usbhid->urbout->transfer_dma = usbhid->outbuf_dma;
1267 usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1268 }
1269 }
1270
1271 if (!usbhid->urbin) {
1272 err("couldn't find an input interrupt endpoint");
1273 goto fail;
1274 }
1275
1276 init_waitqueue_head(&hid->wait);
1277
1278 INIT_WORK(&usbhid->reset_work, hid_reset);
1279 setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
1280
1281 spin_lock_init(&usbhid->inlock);
1282 spin_lock_init(&usbhid->outlock);
1283 spin_lock_init(&usbhid->ctrllock);
1284
1285 hid->version = le16_to_cpu(hdesc->bcdHID);
1286 hid->country = hdesc->bCountryCode;
1287 hid->dev = &intf->dev;
1288 usbhid->intf = intf;
1289 usbhid->ifnum = interface->desc.bInterfaceNumber;
1290
1291 hid->name[0] = 0;
1292
1293 if (dev->manufacturer)
1294 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
1295
1296 if (dev->product) {
1297 if (dev->manufacturer)
1298 strlcat(hid->name, " ", sizeof(hid->name));
1299 strlcat(hid->name, dev->product, sizeof(hid->name));
1300 }
1301
1302 if (!strlen(hid->name))
1303 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
1304 le16_to_cpu(dev->descriptor.idVendor),
1305 le16_to_cpu(dev->descriptor.idProduct));
1306
1307 hid->bus = BUS_USB;
1308 hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
1309 hid->product = le16_to_cpu(dev->descriptor.idProduct);
1310
1311 usb_make_path(dev, hid->phys, sizeof(hid->phys));
1312 strlcat(hid->phys, "/input", sizeof(hid->phys));
1313 len = strlen(hid->phys);
1314 if (len < sizeof(hid->phys) - 1)
1315 snprintf(hid->phys + len, sizeof(hid->phys) - len,
1316 "%d", intf->altsetting[0].desc.bInterfaceNumber);
1317
1318 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
1319 hid->uniq[0] = 0;
1320
1321 usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
1322 if (!usbhid->urbctrl)
1323 goto fail;
1324
1325 usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr,
1326 usbhid->ctrlbuf, 1, hid_ctrl, hid);
1327 usbhid->urbctrl->setup_dma = usbhid->cr_dma;
1328 usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma;
1329 usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1330 hid->hidinput_input_event = usb_hidinput_input_event;
1331 hid->hid_open = usbhid_open;
1332 hid->hid_close = usbhid_close;
1333 #ifdef CONFIG_USB_HIDDEV
1334 hid->hiddev_hid_event = hiddev_hid_event;
1335 hid->hiddev_report_event = hiddev_report_event;
1336 #endif
1337 return hid;
1338
1339 fail:
1340 usb_free_urb(usbhid->urbin);
1341 usb_free_urb(usbhid->urbout);
1342 usb_free_urb(usbhid->urbctrl);
1343 hid_free_buffers(dev, hid);
1344 hid_free_device(hid);
1345
1346 return NULL;
1347 }
1348
1349 static void hid_disconnect(struct usb_interface *intf)
1350 {
1351 struct hid_device *hid = usb_get_intfdata (intf);
1352 struct usbhid_device *usbhid;
1353
1354 if (!hid)
1355 return;
1356
1357 usbhid = hid->driver_data;
1358
1359 spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
1360 usb_set_intfdata(intf, NULL);
1361 spin_unlock_irq(&usbhid->inlock);
1362 usb_kill_urb(usbhid->urbin);
1363 usb_kill_urb(usbhid->urbout);
1364 usb_kill_urb(usbhid->urbctrl);
1365
1366 del_timer_sync(&usbhid->io_retry);
1367 flush_scheduled_work();
1368
1369 if (hid->claimed & HID_CLAIMED_INPUT)
1370 hidinput_disconnect(hid);
1371 if (hid->claimed & HID_CLAIMED_HIDDEV)
1372 hiddev_disconnect(hid);
1373
1374 usb_free_urb(usbhid->urbin);
1375 usb_free_urb(usbhid->urbctrl);
1376 usb_free_urb(usbhid->urbout);
1377
1378 hid_free_buffers(hid_to_usb_dev(hid), hid);
1379 hid_free_device(hid);
1380 }
1381
1382 static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
1383 {
1384 struct hid_device *hid;
1385 char path[64];
1386 int i;
1387 char *c;
1388
1389 dbg("HID probe called for ifnum %d",
1390 intf->altsetting->desc.bInterfaceNumber);
1391
1392 if (!(hid = usb_hid_configure(intf)))
1393 return -ENODEV;
1394
1395 usbhid_init_reports(hid);
1396 hid_dump_device(hid);
1397 if (hid->quirks & HID_QUIRK_RESET_LEDS)
1398 usbhid_set_leds(hid);
1399
1400 if (!hidinput_connect(hid))
1401 hid->claimed |= HID_CLAIMED_INPUT;
1402 if (!hiddev_connect(hid))
1403 hid->claimed |= HID_CLAIMED_HIDDEV;
1404
1405 usb_set_intfdata(intf, hid);
1406
1407 if (!hid->claimed) {
1408 printk ("HID device not claimed by input or hiddev\n");
1409 hid_disconnect(intf);
1410 return -ENODEV;
1411 }
1412
1413 if ((hid->claimed & HID_CLAIMED_INPUT))
1414 hid_ff_init(hid);
1415
1416 if (hid->quirks & HID_QUIRK_SONY_PS3_CONTROLLER)
1417 hid_fixup_sony_ps3_controller(interface_to_usbdev(intf),
1418 intf->cur_altsetting->desc.bInterfaceNumber);
1419
1420 printk(KERN_INFO);
1421
1422 if (hid->claimed & HID_CLAIMED_INPUT)
1423 printk("input");
1424 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
1425 printk(",");
1426 if (hid->claimed & HID_CLAIMED_HIDDEV)
1427 printk("hiddev%d", hid->minor);
1428
1429 c = "Device";
1430 for (i = 0; i < hid->maxcollection; i++) {
1431 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
1432 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1433 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
1434 c = hid_types[hid->collection[i].usage & 0xffff];
1435 break;
1436 }
1437 }
1438
1439 usb_make_path(interface_to_usbdev(intf), path, 63);
1440
1441 printk(": USB HID v%x.%02x %s [%s] on %s\n",
1442 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
1443
1444 return 0;
1445 }
1446
1447 static int hid_suspend(struct usb_interface *intf, pm_message_t message)
1448 {
1449 struct hid_device *hid = usb_get_intfdata (intf);
1450 struct usbhid_device *usbhid = hid->driver_data;
1451
1452 spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
1453 set_bit(HID_SUSPENDED, &usbhid->iofl);
1454 spin_unlock_irq(&usbhid->inlock);
1455 del_timer(&usbhid->io_retry);
1456 usb_kill_urb(usbhid->urbin);
1457 dev_dbg(&intf->dev, "suspend\n");
1458 return 0;
1459 }
1460
1461 static int hid_resume(struct usb_interface *intf)
1462 {
1463 struct hid_device *hid = usb_get_intfdata (intf);
1464 struct usbhid_device *usbhid = hid->driver_data;
1465 int status;
1466
1467 clear_bit(HID_SUSPENDED, &usbhid->iofl);
1468 usbhid->retry_delay = 0;
1469 status = hid_start_in(hid);
1470 dev_dbg(&intf->dev, "resume status %d\n", status);
1471 return status;
1472 }
1473
1474 /* Treat USB reset pretty much the same as suspend/resume */
1475 static void hid_pre_reset(struct usb_interface *intf)
1476 {
1477 /* FIXME: What if the interface is already suspended? */
1478 hid_suspend(intf, PMSG_ON);
1479 }
1480
1481 static void hid_post_reset(struct usb_interface *intf)
1482 {
1483 struct usb_device *dev = interface_to_usbdev (intf);
1484
1485 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
1486 /* FIXME: Any more reinitialization needed? */
1487
1488 hid_resume(intf);
1489 }
1490
1491 static struct usb_device_id hid_usb_ids [] = {
1492 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
1493 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
1494 { } /* Terminating entry */
1495 };
1496
1497 MODULE_DEVICE_TABLE (usb, hid_usb_ids);
1498
1499 static struct usb_driver hid_driver = {
1500 .name = "usbhid",
1501 .probe = hid_probe,
1502 .disconnect = hid_disconnect,
1503 .suspend = hid_suspend,
1504 .resume = hid_resume,
1505 .pre_reset = hid_pre_reset,
1506 .post_reset = hid_post_reset,
1507 .id_table = hid_usb_ids,
1508 };
1509
1510 static int __init hid_init(void)
1511 {
1512 int retval;
1513 retval = hiddev_init();
1514 if (retval)
1515 goto hiddev_init_fail;
1516 retval = usb_register(&hid_driver);
1517 if (retval)
1518 goto usb_register_fail;
1519 info(DRIVER_VERSION ":" DRIVER_DESC);
1520
1521 return 0;
1522 usb_register_fail:
1523 hiddev_exit();
1524 hiddev_init_fail:
1525 return retval;
1526 }
1527
1528 static void __exit hid_exit(void)
1529 {
1530 usb_deregister(&hid_driver);
1531 hiddev_exit();
1532 }
1533
1534 module_init(hid_init);
1535 module_exit(hid_exit);
1536
1537 MODULE_AUTHOR(DRIVER_AUTHOR);
1538 MODULE_DESCRIPTION(DRIVER_DESC);
1539 MODULE_LICENSE(DRIVER_LICENSE);
Linux kernel - Deliverables
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