projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
USB HID: fix retry & reset logic
[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"
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_BERKSHIRE 0x0c98
110 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
111
112 #define USB_VENDOR_ID_CHERRY 0x046a
113 #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
114
115 #define USB_VENDOR_ID_CHIC 0x05fe
116 #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
117
118 #define USB_VENDOR_ID_CIDC 0x1677
119
120 #define USB_VENDOR_ID_CODEMERCS 0x07c0
121 #define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500
122 #define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff
123
124 #define USB_VENDOR_ID_CYPRESS 0x04b4
125 #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
126 #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
127 #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
128
129 #define USB_VENDOR_ID_DELORME 0x1163
130 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
131 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
132
133 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
134 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
135
136 #define USB_VENDOR_ID_GLAB 0x06c2
137 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
138 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
139 #define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
140 #define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
141 #define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
142 #define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
143 #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
144 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
145
146 #define USB_VENDOR_ID_GRIFFIN 0x077d
147 #define USB_DEVICE_ID_POWERMATE 0x0410
148 #define USB_DEVICE_ID_SOUNDKNOB 0x04AA
149
150 #define USB_VENDOR_ID_GTCO 0x078c
151 #define USB_DEVICE_ID_GTCO_90 0x0090
152 #define USB_DEVICE_ID_GTCO_100 0x0100
153 #define USB_DEVICE_ID_GTCO_101 0x0101
154 #define USB_DEVICE_ID_GTCO_103 0x0103
155 #define USB_DEVICE_ID_GTCO_104 0x0104
156 #define USB_DEVICE_ID_GTCO_105 0x0105
157 #define USB_DEVICE_ID_GTCO_106 0x0106
158 #define USB_DEVICE_ID_GTCO_107 0x0107
159 #define USB_DEVICE_ID_GTCO_108 0x0108
160 #define USB_DEVICE_ID_GTCO_200 0x0200
161 #define USB_DEVICE_ID_GTCO_201 0x0201
162 #define USB_DEVICE_ID_GTCO_202 0x0202
163 #define USB_DEVICE_ID_GTCO_203 0x0203
164 #define USB_DEVICE_ID_GTCO_204 0x0204
165 #define USB_DEVICE_ID_GTCO_205 0x0205
166 #define USB_DEVICE_ID_GTCO_206 0x0206
167 #define USB_DEVICE_ID_GTCO_207 0x0207
168 #define USB_DEVICE_ID_GTCO_300 0x0300
169 #define USB_DEVICE_ID_GTCO_301 0x0301
170 #define USB_DEVICE_ID_GTCO_302 0x0302
171 #define USB_DEVICE_ID_GTCO_303 0x0303
172 #define USB_DEVICE_ID_GTCO_304 0x0304
173 #define USB_DEVICE_ID_GTCO_305 0x0305
174 #define USB_DEVICE_ID_GTCO_306 0x0306
175 #define USB_DEVICE_ID_GTCO_307 0x0307
176 #define USB_DEVICE_ID_GTCO_308 0x0308
177 #define USB_DEVICE_ID_GTCO_309 0x0309
178 #define USB_DEVICE_ID_GTCO_400 0x0400
179 #define USB_DEVICE_ID_GTCO_401 0x0401
180 #define USB_DEVICE_ID_GTCO_402 0x0402
181 #define USB_DEVICE_ID_GTCO_403 0x0403
182 #define USB_DEVICE_ID_GTCO_404 0x0404
183 #define USB_DEVICE_ID_GTCO_405 0x0405
184 #define USB_DEVICE_ID_GTCO_500 0x0500
185 #define USB_DEVICE_ID_GTCO_501 0x0501
186 #define USB_DEVICE_ID_GTCO_502 0x0502
187 #define USB_DEVICE_ID_GTCO_503 0x0503
188 #define USB_DEVICE_ID_GTCO_504 0x0504
189 #define USB_DEVICE_ID_GTCO_1000 0x1000
190 #define USB_DEVICE_ID_GTCO_1001 0x1001
191 #define USB_DEVICE_ID_GTCO_1002 0x1002
192 #define USB_DEVICE_ID_GTCO_1003 0x1003
193 #define USB_DEVICE_ID_GTCO_1004 0x1004
194 #define USB_DEVICE_ID_GTCO_1005 0x1005
195 #define USB_DEVICE_ID_GTCO_1006 0x1006
196
197 #define USB_VENDOR_ID_HAPP 0x078b
198 #define USB_DEVICE_ID_UGCI_DRIVING 0x0010
199 #define USB_DEVICE_ID_UGCI_FLYING 0x0020
200 #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
201
202 #define USB_VENDOR_ID_IMATION 0x0718
203 #define USB_DEVICE_ID_DISC_STAKKA 0xd000
204
205 #define USB_VENDOR_ID_KBGEAR 0x084e
206 #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
207
208 #define USB_VENDOR_ID_LD 0x0f11
209 #define USB_DEVICE_ID_LD_CASSY 0x1000
210 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
211 #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
212 #define USB_DEVICE_ID_LD_JWM 0x1080
213 #define USB_DEVICE_ID_LD_DMMP 0x1081
214 #define USB_DEVICE_ID_LD_UMIP 0x1090
215 #define USB_DEVICE_ID_LD_XRAY1 0x1100
216 #define USB_DEVICE_ID_LD_XRAY2 0x1101
217 #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
218 #define USB_DEVICE_ID_LD_COM3LAB 0x2000
219 #define USB_DEVICE_ID_LD_TELEPORT 0x2010
220 #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
221 #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
222 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040
223
224 #define USB_VENDOR_ID_LOGITECH 0x046d
225 #define USB_DEVICE_ID_LOGITECH_USB_RECEIVER 0xc101
226 #define USB_DEVICE_ID_LOGITECH_USB_RECEIVER_2 0xc517
227 #define USB_DEVICE_ID_DINOVO_EDGE 0xc714
228
229 #define USB_VENDOR_ID_MCC 0x09db
230 #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
231 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
232
233 #define USB_VENDOR_ID_MGE 0x0463
234 #define USB_DEVICE_ID_MGE_UPS 0xffff
235 #define USB_DEVICE_ID_MGE_UPS1 0x0001
236
237 #define USB_VENDOR_ID_NEC 0x073e
238 #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
239
240 #define USB_VENDOR_ID_ONTRAK 0x0a07
241 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
242
243 #define USB_VENDOR_ID_PANJIT 0x134c
244
245 #define USB_VENDOR_ID_PANTHERLORD 0x0810
246 #define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001
247
248 #define USB_VENDOR_ID_SAITEK 0x06a3
249 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
250
251 #define USB_VENDOR_ID_SONY 0x054c
252 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268
253
254 #define USB_VENDOR_ID_SUN 0x0430
255 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
256
257 #define USB_VENDOR_ID_TOPMAX 0x0663
258 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
259
260 #define USB_VENDOR_ID_TURBOX 0x062a
261 #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
262
263 #define USB_VENDOR_ID_VERNIER 0x08f7
264 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
265 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
266 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003
267 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
268
269 #define USB_VENDOR_ID_WACOM 0x056a
270
271 #define USB_VENDOR_ID_WISEGROUP 0x0925
272 #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
273 #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
274 #define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
275 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
276
277 #define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
278 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
279
280 #define USB_VENDOR_ID_YEALINK 0x6993
281 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
282
283 /*
284 * Alphabetically sorted blacklist by quirk type.
285 */
286
287 static const struct hid_blacklist {
288 __u16 idVendor;
289 __u16 idProduct;
290 unsigned quirks;
291 } hid_blacklist[] = {
292
293 { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
294 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
295
296 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },
297
298 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
299 { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
300 { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
301 { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
302 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
303 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
304 { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
305 { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
306 { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
307 { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
308
309 { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
310
311 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE, HID_QUIRK_DUPLICATE_USAGES },
312
313 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
314 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
315 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
316 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
317 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
318 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
319 { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
320 { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
321 { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
322 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IR, HID_QUIRK_IGNORE },
323 { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
324 { USB_VENDOR_ID_CIDC, 0x0103, HID_QUIRK_IGNORE },
325 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
326 { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
327 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
328 { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
329 { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
330 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
331 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
332 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
333 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
334 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
335 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
336 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
337 { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
338 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
339 { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
340 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
341 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
342 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
343 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
344 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
345 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
346 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
347 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
348 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
349 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
350 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
351 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
352 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
353 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
354 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
355 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
356 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
357 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
358 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
359 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
360 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
361 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
362 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
363 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
364 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
365 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
366 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
367 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
368 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
369 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
370 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
371 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
372 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
373 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
374 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
375 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
376 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
377 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
378 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
379 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
380 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
381 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
382 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
383 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
384 { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
385 { USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA, HID_QUIRK_IGNORE },
386 { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
387 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
388 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
389 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
390 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
391 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
392 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
393 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
394 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
395 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
396 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
397 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
398 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
399 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
400 { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
401 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
402 { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
403 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
404 { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
405 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
406 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
407 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
408 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
409 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
410 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
411 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
412 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
413 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
414 { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
415 { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
416 { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
417 { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
418 { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
419 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
420 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
421 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
422 { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
423 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
424 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
425 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
426 { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
427
428 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
429 { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
430
431 { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_USB_RECEIVER_2, HID_QUIRK_LOGITECH_S510_DESCRIPTOR },
432
433 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
434
435 { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
436
437 { USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER },
438
439 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
440 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
441 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
442 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
443 { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
444 { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
445 { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
446 { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
447 { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
448
449 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
450 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
451 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
452 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
453 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
454 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
455 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
456 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
457 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
458 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
459 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
460 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
461 { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
462
463 { 0, 0 }
464 };
465
466 /*
467 * Input submission and I/O error handler.
468 */
469
470 static void hid_io_error(struct hid_device *hid);
471
472 /* Start up the input URB */
473 static int hid_start_in(struct hid_device *hid)
474 {
475 unsigned long flags;
476 int rc = 0;
477 struct usbhid_device *usbhid = hid->driver_data;
478
479 spin_lock_irqsave(&usbhid->inlock, flags);
480 if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) &&
481 !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
482 rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC);
483 if (rc != 0)
484 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
485 }
486 spin_unlock_irqrestore(&usbhid->inlock, flags);
487 return rc;
488 }
489
490 /* I/O retry timer routine */
491 static void hid_retry_timeout(unsigned long _hid)
492 {
493 struct hid_device *hid = (struct hid_device *) _hid;
494 struct usbhid_device *usbhid = hid->driver_data;
495
496 dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
497 if (hid_start_in(hid))
498 hid_io_error(hid);
499 }
500
501 /* Workqueue routine to reset the device or clear a halt */
502 static void hid_reset(struct work_struct *work)
503 {
504 struct usbhid_device *usbhid =
505 container_of(work, struct usbhid_device, reset_work);
506 struct hid_device *hid = usbhid->hid;
507 int rc_lock, rc = 0;
508
509 if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) {
510 dev_dbg(&usbhid->intf->dev, "clear halt\n");
511 rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe);
512 clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
513 hid_start_in(hid);
514 }
515
516 else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) {
517 dev_dbg(&usbhid->intf->dev, "resetting device\n");
518 rc = rc_lock = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf);
519 if (rc_lock >= 0) {
520 rc = usb_reset_composite_device(hid_to_usb_dev(hid), usbhid->intf);
521 if (rc_lock)
522 usb_unlock_device(hid_to_usb_dev(hid));
523 }
524 clear_bit(HID_RESET_PENDING, &usbhid->iofl);
525 }
526
527 switch (rc) {
528 case 0:
529 if (!test_bit(HID_IN_RUNNING, &usbhid->iofl))
530 hid_io_error(hid);
531 break;
532 default:
533 err("can't reset device, %s-%s/input%d, status %d",
534 hid_to_usb_dev(hid)->bus->bus_name,
535 hid_to_usb_dev(hid)->devpath,
536 usbhid->ifnum, rc);
537 /* FALLTHROUGH */
538 case -EHOSTUNREACH:
539 case -ENODEV:
540 case -EINTR:
541 break;
542 }
543 }
544
545 /* Main I/O error handler */
546 static void hid_io_error(struct hid_device *hid)
547 {
548 unsigned long flags;
549 struct usbhid_device *usbhid = hid->driver_data;
550
551 spin_lock_irqsave(&usbhid->inlock, flags);
552
553 /* Stop when disconnected */
554 if (usb_get_intfdata(usbhid->intf) == NULL)
555 goto done;
556
557 /* If it has been a while since the last error, we'll assume
558 * this a brand new error and reset the retry timeout. */
559 if (time_after(jiffies, usbhid->stop_retry + HZ/2))
560 usbhid->retry_delay = 0;
561
562 /* When an error occurs, retry at increasing intervals */
563 if (usbhid->retry_delay == 0) {
564 usbhid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
565 usbhid->stop_retry = jiffies + msecs_to_jiffies(1000);
566 } else if (usbhid->retry_delay < 100)
567 usbhid->retry_delay *= 2;
568
569 if (time_after(jiffies, usbhid->stop_retry)) {
570
571 /* Retries failed, so do a port reset */
572 if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
573 schedule_work(&usbhid->reset_work);
574 goto done;
575 }
576 }
577
578 mod_timer(&usbhid->io_retry,
579 jiffies + msecs_to_jiffies(usbhid->retry_delay));
580 done:
581 spin_unlock_irqrestore(&usbhid->inlock, flags);
582 }
583
584 /*
585 * Input interrupt completion handler.
586 */
587
588 static void hid_irq_in(struct urb *urb)
589 {
590 struct hid_device *hid = urb->context;
591 struct usbhid_device *usbhid = hid->driver_data;
592 int status;
593
594 switch (urb->status) {
595 case 0: /* success */
596 usbhid->retry_delay = 0;
597 hid_input_report(urb->context, HID_INPUT_REPORT,
598 urb->transfer_buffer,
599 urb->actual_length, 1);
600 break;
601 case -EPIPE: /* stall */
602 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
603 set_bit(HID_CLEAR_HALT, &usbhid->iofl);
604 schedule_work(&usbhid->reset_work);
605 return;
606 case -ECONNRESET: /* unlink */
607 case -ENOENT:
608 case -ESHUTDOWN: /* unplug */
609 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
610 return;
611 case -EILSEQ: /* protocol error or unplug */
612 case -EPROTO: /* protocol error or unplug */
613 case -ETIME: /* protocol error or unplug */
614 case -ETIMEDOUT: /* Should never happen, but... */
615 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
616 hid_io_error(hid);
617 return;
618 default: /* error */
619 warn("input irq status %d received", urb->status);
620 }
621
622 status = usb_submit_urb(urb, GFP_ATOMIC);
623 if (status) {
624 clear_bit(HID_IN_RUNNING, &usbhid->iofl);
625 if (status != -EPERM) {
626 err("can't resubmit intr, %s-%s/input%d, status %d",
627 hid_to_usb_dev(hid)->bus->bus_name,
628 hid_to_usb_dev(hid)->devpath,
629 usbhid->ifnum, status);
630 hid_io_error(hid);
631 }
632 }
633 }
634
635 static int hid_submit_out(struct hid_device *hid)
636 {
637 struct hid_report *report;
638 struct usbhid_device *usbhid = hid->driver_data;
639
640 report = usbhid->out[usbhid->outtail];
641
642 hid_output_report(report, usbhid->outbuf);
643 usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
644 usbhid->urbout->dev = hid_to_usb_dev(hid);
645
646 dbg("submitting out urb");
647
648 if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) {
649 err("usb_submit_urb(out) failed");
650 return -1;
651 }
652
653 return 0;
654 }
655
656 static int hid_submit_ctrl(struct hid_device *hid)
657 {
658 struct hid_report *report;
659 unsigned char dir;
660 int len;
661 struct usbhid_device *usbhid = hid->driver_data;
662
663 report = usbhid->ctrl[usbhid->ctrltail].report;
664 dir = usbhid->ctrl[usbhid->ctrltail].dir;
665
666 len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
667 if (dir == USB_DIR_OUT) {
668 hid_output_report(report, usbhid->ctrlbuf);
669 usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0);
670 usbhid->urbctrl->transfer_buffer_length = len;
671 } else {
672 int maxpacket, padlen;
673
674 usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
675 maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
676 if (maxpacket > 0) {
677 padlen = (len + maxpacket - 1) / maxpacket;
678 padlen *= maxpacket;
679 if (padlen > usbhid->bufsize)
680 padlen = usbhid->bufsize;
681 } else
682 padlen = 0;
683 usbhid->urbctrl->transfer_buffer_length = padlen;
684 }
685 usbhid->urbctrl->dev = hid_to_usb_dev(hid);
686
687 usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
688 usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
689 usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
690 usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum);
691 usbhid->cr->wLength = cpu_to_le16(len);
692
693 dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
694 usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
695 usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength);
696
697 if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) {
698 err("usb_submit_urb(ctrl) failed");
699 return -1;
700 }
701
702 return 0;
703 }
704
705 /*
706 * Output interrupt completion handler.
707 */
708
709 static void hid_irq_out(struct urb *urb)
710 {
711 struct hid_device *hid = urb->context;
712 struct usbhid_device *usbhid = hid->driver_data;
713 unsigned long flags;
714 int unplug = 0;
715
716 switch (urb->status) {
717 case 0: /* success */
718 break;
719 case -ESHUTDOWN: /* unplug */
720 unplug = 1;
721 case -EILSEQ: /* protocol error or unplug */
722 case -EPROTO: /* protocol error or unplug */
723 case -ECONNRESET: /* unlink */
724 case -ENOENT:
725 break;
726 default: /* error */
727 warn("output irq status %d received", urb->status);
728 }
729
730 spin_lock_irqsave(&usbhid->outlock, flags);
731
732 if (unplug)
733 usbhid->outtail = usbhid->outhead;
734 else
735 usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
736
737 if (usbhid->outhead != usbhid->outtail) {
738 if (hid_submit_out(hid)) {
739 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
740 wake_up(&hid->wait);
741 }
742 spin_unlock_irqrestore(&usbhid->outlock, flags);
743 return;
744 }
745
746 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
747 spin_unlock_irqrestore(&usbhid->outlock, flags);
748 wake_up(&hid->wait);
749 }
750
751 /*
752 * Control pipe completion handler.
753 */
754
755 static void hid_ctrl(struct urb *urb)
756 {
757 struct hid_device *hid = urb->context;
758 struct usbhid_device *usbhid = hid->driver_data;
759 unsigned long flags;
760 int unplug = 0;
761
762 spin_lock_irqsave(&usbhid->ctrllock, flags);
763
764 switch (urb->status) {
765 case 0: /* success */
766 if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
767 hid_input_report(urb->context, usbhid->ctrl[usbhid->ctrltail].report->type,
768 urb->transfer_buffer, urb->actual_length, 0);
769 break;
770 case -ESHUTDOWN: /* unplug */
771 unplug = 1;
772 case -EILSEQ: /* protocol error or unplug */
773 case -EPROTO: /* protocol error or unplug */
774 case -ECONNRESET: /* unlink */
775 case -ENOENT:
776 case -EPIPE: /* report not available */
777 break;
778 default: /* error */
779 warn("ctrl urb status %d received", urb->status);
780 }
781
782 if (unplug)
783 usbhid->ctrltail = usbhid->ctrlhead;
784 else
785 usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
786
787 if (usbhid->ctrlhead != usbhid->ctrltail) {
788 if (hid_submit_ctrl(hid)) {
789 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
790 wake_up(&hid->wait);
791 }
792 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
793 return;
794 }
795
796 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
797 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
798 wake_up(&hid->wait);
799 }
800
801 void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
802 {
803 int head;
804 unsigned long flags;
805 struct usbhid_device *usbhid = hid->driver_data;
806
807 if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
808 return;
809
810 if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
811
812 spin_lock_irqsave(&usbhid->outlock, flags);
813
814 if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) {
815 spin_unlock_irqrestore(&usbhid->outlock, flags);
816 warn("output queue full");
817 return;
818 }
819
820 usbhid->out[usbhid->outhead] = report;
821 usbhid->outhead = head;
822
823 if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl))
824 if (hid_submit_out(hid))
825 clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
826
827 spin_unlock_irqrestore(&usbhid->outlock, flags);
828 return;
829 }
830
831 spin_lock_irqsave(&usbhid->ctrllock, flags);
832
833 if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) {
834 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
835 warn("control queue full");
836 return;
837 }
838
839 usbhid->ctrl[usbhid->ctrlhead].report = report;
840 usbhid->ctrl[usbhid->ctrlhead].dir = dir;
841 usbhid->ctrlhead = head;
842
843 if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl))
844 if (hid_submit_ctrl(hid))
845 clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
846
847 spin_unlock_irqrestore(&usbhid->ctrllock, flags);
848 }
849
850 static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
851 {
852 struct hid_device *hid = dev->private;
853 struct hid_field *field;
854 int offset;
855
856 if (type == EV_FF)
857 return input_ff_event(dev, type, code, value);
858
859 if (type != EV_LED)
860 return -1;
861
862 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
863 warn("event field not found");
864 return -1;
865 }
866
867 hid_set_field(field, offset, value);
868 usbhid_submit_report(hid, field->report, USB_DIR_OUT);
869
870 return 0;
871 }
872
873 int usbhid_wait_io(struct hid_device *hid)
874 {
875 struct usbhid_device *usbhid = hid->driver_data;
876
877 if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
878 !test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
879 10*HZ)) {
880 dbg("timeout waiting for ctrl or out queue to clear");
881 return -1;
882 }
883
884 return 0;
885 }
886
887 static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
888 {
889 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
890 HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
891 ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
892 }
893
894 static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
895 unsigned char type, void *buf, int size)
896 {
897 int result, retries = 4;
898
899 memset(buf, 0, size);
900
901 do {
902 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
903 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
904 (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
905 retries--;
906 } while (result < size && retries);
907 return result;
908 }
909
910 int usbhid_open(struct hid_device *hid)
911 {
912 ++hid->open;
913 if (hid_start_in(hid))
914 hid_io_error(hid);
915 return 0;
916 }
917
918 void usbhid_close(struct hid_device *hid)
919 {
920 struct usbhid_device *usbhid = hid->driver_data;
921
922 if (!--hid->open)
923 usb_kill_urb(usbhid->urbin);
924 }
925
926 /*
927 * Initialize all reports
928 */
929
930 void usbhid_init_reports(struct hid_device *hid)
931 {
932 struct hid_report *report;
933 struct usbhid_device *usbhid = hid->driver_data;
934 int err, ret;
935
936 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
937 usbhid_submit_report(hid, report, USB_DIR_IN);
938
939 list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
940 usbhid_submit_report(hid, report, USB_DIR_IN);
941
942 err = 0;
943 ret = usbhid_wait_io(hid);
944 while (ret) {
945 err |= ret;
946 if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
947 usb_kill_urb(usbhid->urbctrl);
948 if (test_bit(HID_OUT_RUNNING, &usbhid->iofl))
949 usb_kill_urb(usbhid->urbout);
950 ret = usbhid_wait_io(hid);
951 }
952
953 if (err)
954 warn("timeout initializing reports");
955 }
956
957 /*
958 * Traverse the supplied list of reports and find the longest
959 */
960 static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
961 {
962 struct hid_report *report;
963 int size;
964
965 list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
966 size = ((report->size - 1) >> 3) + 1;
967 if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
968 size++;
969 if (*max < size)
970 *max = size;
971 }
972 }
973
974 static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
975 {
976 struct usbhid_device *usbhid = hid->driver_data;
977
978 if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
979 return -1;
980 if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
981 return -1;
982 if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
983 return -1;
984 if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
985 return -1;
986
987 return 0;
988 }
989
990 static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
991 {
992 struct usbhid_device *usbhid = hid->driver_data;
993
994 if (usbhid->inbuf)
995 usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma);
996 if (usbhid->outbuf)
997 usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma);
998 if (usbhid->cr)
999 usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma);
1000 if (usbhid->ctrlbuf)
1001 usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma);
1002 }
1003
1004 /*
1005 * Cherry Cymotion keyboard have an invalid HID report descriptor,
1006 * that needs fixing before we can parse it.
1007 */
1008
1009 static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
1010 {
1011 if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
1012 info("Fixing up Cherry Cymotion report descriptor");
1013 rdesc[11] = rdesc[16] = 0xff;
1014 rdesc[12] = rdesc[17] = 0x03;
1015 }
1016 }
1017
1018 /*
1019 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
1020 * to "operational". Without this, the ps3 controller will not report any
1021 * events.
1022 */
1023 static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum)
1024 {
1025 int result;
1026 char *buf = kmalloc(18, GFP_KERNEL);
1027
1028 if (!buf)
1029 return;
1030
1031 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
1032 HID_REQ_GET_REPORT,
1033 USB_DIR_IN | USB_TYPE_CLASS |
1034 USB_RECIP_INTERFACE,
1035 (3 << 8) | 0xf2, ifnum, buf, 17,
1036 USB_CTRL_GET_TIMEOUT);
1037
1038 if (result < 0)
1039 err("%s failed: %d\n", __func__, result);
1040
1041 kfree(buf);
1042 }
1043
1044 /*
1045 * Logitech S510 keyboard sends in report #3 keys which are far
1046 * above the logical maximum described in descriptor. This extends
1047 * the original value of 0x28c of logical maximum to 0x104d
1048 */
1049 static void hid_fixup_s510_descriptor(unsigned char *rdesc, int rsize)
1050 {
1051 if (rsize >= 90 && rdesc[83] == 0x26
1052 && rdesc[84] == 0x8c
1053 && rdesc[85] == 0x02) {
1054 info("Fixing up Logitech S510 report descriptor");
1055 rdesc[84] = rdesc[89] = 0x4d;
1056 rdesc[85] = rdesc[90] = 0x10;
1057 }
1058 }
1059
1060 static struct hid_device *usb_hid_configure(struct usb_interface *intf)
1061 {
1062 struct usb_host_interface *interface = intf->cur_altsetting;
1063 struct usb_device *dev = interface_to_usbdev (intf);
1064 struct hid_descriptor *hdesc;
1065 struct hid_device *hid;
1066 unsigned quirks = 0, rsize = 0;
1067 char *rdesc;
1068 int n, len, insize = 0;
1069 struct usbhid_device *usbhid;
1070
1071 /* Ignore all Wacom devices */
1072 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
1073 return NULL;
1074 /* ignore all Code Mercenaries IOWarrior devices */
1075 if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_CODEMERCS)
1076 if (le16_to_cpu(dev->descriptor.idProduct) >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
1077 le16_to_cpu(dev->descriptor.idProduct) <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
1078 return NULL;
1079
1080 for (n = 0; hid_blacklist[n].idVendor; n++)
1081 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
1082 (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
1083 quirks = hid_blacklist[n].quirks;
1084
1085 /* Many keyboards and mice don't like to be polled for reports,
1086 * so we will always set the HID_QUIRK_NOGET flag for them. */
1087 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
1088 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
1089 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
1090 quirks |= HID_QUIRK_NOGET;
1091 }
1092
1093 if (quirks & HID_QUIRK_IGNORE)
1094 return NULL;
1095
1096 if ((quirks & HID_QUIRK_IGNORE_MOUSE) &&
1097 (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE))
1098 return NULL;
1099
1100
1101 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
1102 (!interface->desc.bNumEndpoints ||
1103 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
1104 dbg("class descriptor not present\n");
1105 return NULL;
1106 }
1107
1108 for (n = 0; n < hdesc->bNumDescriptors; n++)
1109 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
1110 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
1111
1112 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
1113 dbg("weird size of report descriptor (%u)", rsize);
1114 return NULL;
1115 }
1116
1117 if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
1118 dbg("couldn't allocate rdesc memory");
1119 return NULL;
1120 }
1121
1122 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
1123
1124 if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
1125 dbg("reading report descriptor failed");
1126 kfree(rdesc);
1127 return NULL;
1128 }
1129
1130 if ((quirks & HID_QUIRK_CYMOTION))
1131 hid_fixup_cymotion_descriptor(rdesc, rsize);
1132
1133 if (quirks & HID_QUIRK_LOGITECH_S510_DESCRIPTOR)
1134 hid_fixup_s510_descriptor(rdesc, rsize);
1135
1136 #ifdef CONFIG_HID_DEBUG
1137 printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
1138 for (n = 0; n < rsize; n++)
1139 printk(" %02x", (unsigned char) rdesc[n]);
1140 printk("\n");
1141 #endif
1142
1143 if (!(hid = hid_parse_report(rdesc, n))) {
1144 dbg("parsing report descriptor failed");
1145 kfree(rdesc);
1146 return NULL;
1147 }
1148
1149 kfree(rdesc);
1150 hid->quirks = quirks;
1151
1152 if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
1153 goto fail;
1154
1155 hid->driver_data = usbhid;
1156 usbhid->hid = hid;
1157
1158 usbhid->bufsize = HID_MIN_BUFFER_SIZE;
1159 hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize);
1160 hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize);
1161 hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize);
1162
1163 if (usbhid->bufsize > HID_MAX_BUFFER_SIZE)
1164 usbhid->bufsize = HID_MAX_BUFFER_SIZE;
1165
1166 hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
1167
1168 if (insize > HID_MAX_BUFFER_SIZE)
1169 insize = HID_MAX_BUFFER_SIZE;
1170
1171 if (hid_alloc_buffers(dev, hid)) {
1172 hid_free_buffers(dev, hid);
1173 goto fail;
1174 }
1175
1176 for (n = 0; n < interface->desc.bNumEndpoints; n++) {
1177
1178 struct usb_endpoint_descriptor *endpoint;
1179 int pipe;
1180 int interval;
1181
1182 endpoint = &interface->endpoint[n].desc;
1183 if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
1184 continue;
1185
1186 interval = endpoint->bInterval;
1187
1188 /* Change the polling interval of mice. */
1189 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
1190 interval = hid_mousepoll_interval;
1191
1192 if (usb_endpoint_dir_in(endpoint)) {
1193 if (usbhid->urbin)
1194 continue;
1195 if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
1196 goto fail;
1197 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
1198 usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize,
1199 hid_irq_in, hid, interval);
1200 usbhid->urbin->transfer_dma = usbhid->inbuf_dma;
1201 usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1202 } else {
1203 if (usbhid->urbout)
1204 continue;
1205 if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
1206 goto fail;
1207 pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
1208 usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0,
1209 hid_irq_out, hid, interval);
1210 usbhid->urbout->transfer_dma = usbhid->outbuf_dma;
1211 usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1212 }
1213 }
1214
1215 if (!usbhid->urbin) {
1216 err("couldn't find an input interrupt endpoint");
1217 goto fail;
1218 }
1219
1220 init_waitqueue_head(&hid->wait);
1221
1222 INIT_WORK(&usbhid->reset_work, hid_reset);
1223 setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
1224
1225 spin_lock_init(&usbhid->inlock);
1226 spin_lock_init(&usbhid->outlock);
1227 spin_lock_init(&usbhid->ctrllock);
1228
1229 hid->version = le16_to_cpu(hdesc->bcdHID);
1230 hid->country = hdesc->bCountryCode;
1231 hid->dev = &intf->dev;
1232 usbhid->intf = intf;
1233 usbhid->ifnum = interface->desc.bInterfaceNumber;
1234
1235 hid->name[0] = 0;
1236
1237 if (dev->manufacturer)
1238 strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
1239
1240 if (dev->product) {
1241 if (dev->manufacturer)
1242 strlcat(hid->name, " ", sizeof(hid->name));
1243 strlcat(hid->name, dev->product, sizeof(hid->name));
1244 }
1245
1246 if (!strlen(hid->name))
1247 snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
1248 le16_to_cpu(dev->descriptor.idVendor),
1249 le16_to_cpu(dev->descriptor.idProduct));
1250
1251 hid->bus = BUS_USB;
1252 hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
1253 hid->product = le16_to_cpu(dev->descriptor.idProduct);
1254
1255 usb_make_path(dev, hid->phys, sizeof(hid->phys));
1256 strlcat(hid->phys, "/input", sizeof(hid->phys));
1257 len = strlen(hid->phys);
1258 if (len < sizeof(hid->phys) - 1)
1259 snprintf(hid->phys + len, sizeof(hid->phys) - len,
1260 "%d", intf->altsetting[0].desc.bInterfaceNumber);
1261
1262 if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
1263 hid->uniq[0] = 0;
1264
1265 usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
1266 if (!usbhid->urbctrl)
1267 goto fail;
1268
1269 usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr,
1270 usbhid->ctrlbuf, 1, hid_ctrl, hid);
1271 usbhid->urbctrl->setup_dma = usbhid->cr_dma;
1272 usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma;
1273 usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
1274 hid->hidinput_input_event = usb_hidinput_input_event;
1275 hid->hid_open = usbhid_open;
1276 hid->hid_close = usbhid_close;
1277 #ifdef CONFIG_USB_HIDDEV
1278 hid->hiddev_hid_event = hiddev_hid_event;
1279 hid->hiddev_report_event = hiddev_report_event;
1280 #endif
1281 return hid;
1282
1283 fail:
1284 usb_free_urb(usbhid->urbin);
1285 usb_free_urb(usbhid->urbout);
1286 usb_free_urb(usbhid->urbctrl);
1287 hid_free_buffers(dev, hid);
1288 hid_free_device(hid);
1289
1290 return NULL;
1291 }
1292
1293 static void hid_disconnect(struct usb_interface *intf)
1294 {
1295 struct hid_device *hid = usb_get_intfdata (intf);
1296 struct usbhid_device *usbhid;
1297
1298 if (!hid)
1299 return;
1300
1301 usbhid = hid->driver_data;
1302
1303 spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
1304 usb_set_intfdata(intf, NULL);
1305 spin_unlock_irq(&usbhid->inlock);
1306 usb_kill_urb(usbhid->urbin);
1307 usb_kill_urb(usbhid->urbout);
1308 usb_kill_urb(usbhid->urbctrl);
1309
1310 del_timer_sync(&usbhid->io_retry);
1311 flush_scheduled_work();
1312
1313 if (hid->claimed & HID_CLAIMED_INPUT)
1314 hidinput_disconnect(hid);
1315 if (hid->claimed & HID_CLAIMED_HIDDEV)
1316 hiddev_disconnect(hid);
1317
1318 usb_free_urb(usbhid->urbin);
1319 usb_free_urb(usbhid->urbctrl);
1320 usb_free_urb(usbhid->urbout);
1321
1322 hid_free_buffers(hid_to_usb_dev(hid), hid);
1323 hid_free_device(hid);
1324 }
1325
1326 static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
1327 {
1328 struct hid_device *hid;
1329 char path[64];
1330 int i;
1331 char *c;
1332
1333 dbg("HID probe called for ifnum %d",
1334 intf->altsetting->desc.bInterfaceNumber);
1335
1336 if (!(hid = usb_hid_configure(intf)))
1337 return -ENODEV;
1338
1339 usbhid_init_reports(hid);
1340 hid_dump_device(hid);
1341
1342 if (!hidinput_connect(hid))
1343 hid->claimed |= HID_CLAIMED_INPUT;
1344 if (!hiddev_connect(hid))
1345 hid->claimed |= HID_CLAIMED_HIDDEV;
1346
1347 usb_set_intfdata(intf, hid);
1348
1349 if (!hid->claimed) {
1350 printk ("HID device not claimed by input or hiddev\n");
1351 hid_disconnect(intf);
1352 return -ENODEV;
1353 }
1354
1355 if ((hid->claimed & HID_CLAIMED_INPUT))
1356 hid_ff_init(hid);
1357
1358 if (hid->quirks & HID_QUIRK_SONY_PS3_CONTROLLER)
1359 hid_fixup_sony_ps3_controller(interface_to_usbdev(intf),
1360 intf->cur_altsetting->desc.bInterfaceNumber);
1361
1362 printk(KERN_INFO);
1363
1364 if (hid->claimed & HID_CLAIMED_INPUT)
1365 printk("input");
1366 if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
1367 printk(",");
1368 if (hid->claimed & HID_CLAIMED_HIDDEV)
1369 printk("hiddev%d", hid->minor);
1370
1371 c = "Device";
1372 for (i = 0; i < hid->maxcollection; i++) {
1373 if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
1374 (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1375 (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
1376 c = hid_types[hid->collection[i].usage & 0xffff];
1377 break;
1378 }
1379 }
1380
1381 usb_make_path(interface_to_usbdev(intf), path, 63);
1382
1383 printk(": USB HID v%x.%02x %s [%s] on %s\n",
1384 hid->version >> 8, hid->version & 0xff, c, hid->name, path);
1385
1386 return 0;
1387 }
1388
1389 static int hid_suspend(struct usb_interface *intf, pm_message_t message)
1390 {
1391 struct hid_device *hid = usb_get_intfdata (intf);
1392 struct usbhid_device *usbhid = hid->driver_data;
1393
1394 spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
1395 set_bit(HID_SUSPENDED, &usbhid->iofl);
1396 spin_unlock_irq(&usbhid->inlock);
1397 del_timer(&usbhid->io_retry);
1398 usb_kill_urb(usbhid->urbin);
1399 dev_dbg(&intf->dev, "suspend\n");
1400 return 0;
1401 }
1402
1403 static int hid_resume(struct usb_interface *intf)
1404 {
1405 struct hid_device *hid = usb_get_intfdata (intf);
1406 struct usbhid_device *usbhid = hid->driver_data;
1407 int status;
1408
1409 clear_bit(HID_SUSPENDED, &usbhid->iofl);
1410 usbhid->retry_delay = 0;
1411 status = hid_start_in(hid);
1412 dev_dbg(&intf->dev, "resume status %d\n", status);
1413 return status;
1414 }
1415
1416 /* Treat USB reset pretty much the same as suspend/resume */
1417 static void hid_pre_reset(struct usb_interface *intf)
1418 {
1419 /* FIXME: What if the interface is already suspended? */
1420 hid_suspend(intf, PMSG_ON);
1421 }
1422
1423 static void hid_post_reset(struct usb_interface *intf)
1424 {
1425 struct usb_device *dev = interface_to_usbdev (intf);
1426
1427 hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
1428 /* FIXME: Any more reinitialization needed? */
1429
1430 hid_resume(intf);
1431 }
1432
1433 static struct usb_device_id hid_usb_ids [] = {
1434 { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
1435 .bInterfaceClass = USB_INTERFACE_CLASS_HID },
1436 { } /* Terminating entry */
1437 };
1438
1439 MODULE_DEVICE_TABLE (usb, hid_usb_ids);
1440
1441 static struct usb_driver hid_driver = {
1442 .name = "usbhid",
1443 .probe = hid_probe,
1444 .disconnect = hid_disconnect,
1445 .suspend = hid_suspend,
1446 .resume = hid_resume,
1447 .pre_reset = hid_pre_reset,
1448 .post_reset = hid_post_reset,
1449 .id_table = hid_usb_ids,
1450 };
1451
1452 static int __init hid_init(void)
1453 {
1454 int retval;
1455 retval = hiddev_init();
1456 if (retval)
1457 goto hiddev_init_fail;
1458 retval = usb_register(&hid_driver);
1459 if (retval)
1460 goto usb_register_fail;
1461 info(DRIVER_VERSION ":" DRIVER_DESC);
1462
1463 return 0;
1464 usb_register_fail:
1465 hiddev_exit();
1466 hiddev_init_fail:
1467 return retval;
1468 }
1469
1470 static void __exit hid_exit(void)
1471 {
1472 usb_deregister(&hid_driver);
1473 hiddev_exit();
1474 }
1475
1476 module_init(hid_init);
1477 module_exit(hid_exit);
1478
1479 MODULE_AUTHOR(DRIVER_AUTHOR);
1480 MODULE_DESCRIPTION(DRIVER_DESC);
1481 MODULE_LICENSE(DRIVER_LICENSE);
Linux kernel - Deliverables
This page took 0.123574 seconds and 6 git commands to generate.