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2eb5dc30 PW |
1 | /* |
2 | * USB HID quirks 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 | * Copyright (c) 2007 Paul Walmsley | |
9 | */ | |
10 | ||
11 | /* | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License as published by the Free | |
14 | * Software Foundation; either version 2 of the License, or (at your option) | |
15 | * any later version. | |
16 | */ | |
17 | ||
18 | #include <linux/hid.h> | |
19 | ||
990436a7 | 20 | #include "../hid-ids.h" |
a32bcc45 | 21 | |
2eb5dc30 PW |
22 | /* |
23 | * Alphabetically sorted blacklist by quirk type. | |
24 | */ | |
25 | ||
26 | static const struct hid_blacklist { | |
27 | __u16 idVendor; | |
28 | __u16 idProduct; | |
29 | __u32 quirks; | |
30 | } hid_blacklist[] = { | |
2eb5dc30 PW |
31 | { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD }, |
32 | { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD }, | |
33 | { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD }, | |
34 | { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD }, | |
35 | { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, | |
36 | { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, | |
37 | { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, | |
c9bde7ad | 38 | { USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD }, |
2eb5dc30 | 39 | { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD }, |
9db630b4 | 40 | { USB_VENDOR_ID_NEXTWINDOW, USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN, HID_QUIRK_MULTI_INPUT}, |
2eb5dc30 PW |
41 | { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD }, |
42 | { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD }, | |
2c3e3bfb | 43 | |
f345c37c PS |
44 | { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, |
45 | ||
8127f4e8 | 46 | { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT }, |
2eb5dc30 PW |
47 | { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, |
48 | { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, | |
1c3a02c2 | 49 | { USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET }, |
2eb5dc30 | 50 | |
2eb5dc30 PW |
51 | { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET }, |
52 | { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET }, | |
53 | { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, | |
54 | { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, | |
55 | { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, | |
b820aabf AS |
56 | { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, |
57 | { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_YOKE, HID_QUIRK_NOGET }, | |
58 | { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_PRO_PEDALS, HID_QUIRK_NOGET }, | |
73cdcf56 | 59 | { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET }, |
02008faa | 60 | { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, |
d500d116 | 61 | { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, |
2eb5dc30 PW |
62 | { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, |
63 | { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, | |
25e61613 | 64 | { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT }, |
3e52a05f | 65 | { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, |
2eb5dc30 PW |
66 | { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, |
67 | ||
68 | { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, | |
66ebf66e | 69 | { USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, |
2eb5dc30 | 70 | |
ea9a4a8b JK |
71 | { 0, 0 } |
72 | }; | |
73 | ||
8cef9082 PW |
74 | /* Dynamic HID quirks list - specified at runtime */ |
75 | struct quirks_list_struct { | |
76 | struct hid_blacklist hid_bl_item; | |
77 | struct list_head node; | |
78 | }; | |
79 | ||
80 | static LIST_HEAD(dquirks_list); | |
81 | static DECLARE_RWSEM(dquirks_rwsem); | |
82 | ||
83 | /* Runtime ("dynamic") quirks manipulation functions */ | |
84 | ||
8222fbe6 | 85 | /** |
8cef9082 PW |
86 | * usbhid_exists_dquirk: find any dynamic quirks for a USB HID device |
87 | * @idVendor: the 16-bit USB vendor ID, in native byteorder | |
88 | * @idProduct: the 16-bit USB product ID, in native byteorder | |
89 | * | |
90 | * Description: | |
91 | * Scans dquirks_list for a matching dynamic quirk and returns | |
92 | * the pointer to the relevant struct hid_blacklist if found. | |
93 | * Must be called with a read lock held on dquirks_rwsem. | |
94 | * | |
95 | * Returns: NULL if no quirk found, struct hid_blacklist * if found. | |
96 | */ | |
97 | static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor, | |
98 | const u16 idProduct) | |
99 | { | |
100 | struct quirks_list_struct *q; | |
101 | struct hid_blacklist *bl_entry = NULL; | |
102 | ||
8cef9082 PW |
103 | list_for_each_entry(q, &dquirks_list, node) { |
104 | if (q->hid_bl_item.idVendor == idVendor && | |
105 | q->hid_bl_item.idProduct == idProduct) { | |
106 | bl_entry = &q->hid_bl_item; | |
107 | break; | |
108 | } | |
109 | } | |
110 | ||
111 | if (bl_entry != NULL) | |
58037eb9 | 112 | dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n", |
8cef9082 PW |
113 | bl_entry->quirks, bl_entry->idVendor, |
114 | bl_entry->idProduct); | |
115 | ||
116 | return bl_entry; | |
117 | } | |
118 | ||
119 | ||
120 | /** | |
121 | * usbhid_modify_dquirk: add/replace a HID quirk | |
122 | * @idVendor: the 16-bit USB vendor ID, in native byteorder | |
123 | * @idProduct: the 16-bit USB product ID, in native byteorder | |
124 | * @quirks: the u32 quirks value to add/replace | |
125 | * | |
126 | * Description: | |
127 | * If an dynamic quirk exists in memory for this (idVendor, | |
128 | * idProduct) pair, replace its quirks value with what was | |
129 | * provided. Otherwise, add the quirk to the dynamic quirks list. | |
130 | * | |
131 | * Returns: 0 OK, -error on failure. | |
132 | */ | |
abdff0f7 AB |
133 | static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct, |
134 | const u32 quirks) | |
8cef9082 PW |
135 | { |
136 | struct quirks_list_struct *q_new, *q; | |
137 | int list_edited = 0; | |
138 | ||
139 | if (!idVendor) { | |
58037eb9 | 140 | dbg_hid("Cannot add a quirk with idVendor = 0\n"); |
8cef9082 PW |
141 | return -EINVAL; |
142 | } | |
143 | ||
144 | q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL); | |
145 | if (!q_new) { | |
58037eb9 | 146 | dbg_hid("Could not allocate quirks_list_struct\n"); |
8cef9082 PW |
147 | return -ENOMEM; |
148 | } | |
149 | ||
150 | q_new->hid_bl_item.idVendor = idVendor; | |
151 | q_new->hid_bl_item.idProduct = idProduct; | |
152 | q_new->hid_bl_item.quirks = quirks; | |
153 | ||
154 | down_write(&dquirks_rwsem); | |
155 | ||
156 | list_for_each_entry(q, &dquirks_list, node) { | |
157 | ||
158 | if (q->hid_bl_item.idVendor == idVendor && | |
159 | q->hid_bl_item.idProduct == idProduct) { | |
160 | ||
161 | list_replace(&q->node, &q_new->node); | |
162 | kfree(q); | |
163 | list_edited = 1; | |
164 | break; | |
165 | ||
166 | } | |
167 | ||
168 | } | |
169 | ||
170 | if (!list_edited) | |
171 | list_add_tail(&q_new->node, &dquirks_list); | |
172 | ||
173 | up_write(&dquirks_rwsem); | |
174 | ||
175 | return 0; | |
176 | } | |
177 | ||
8cef9082 PW |
178 | /** |
179 | * usbhid_remove_all_dquirks: remove all runtime HID quirks from memory | |
180 | * | |
181 | * Description: | |
182 | * Free all memory associated with dynamic quirks - called before | |
183 | * module unload. | |
184 | * | |
185 | */ | |
186 | static void usbhid_remove_all_dquirks(void) | |
187 | { | |
188 | struct quirks_list_struct *q, *temp; | |
189 | ||
190 | down_write(&dquirks_rwsem); | |
191 | list_for_each_entry_safe(q, temp, &dquirks_list, node) { | |
192 | list_del(&q->node); | |
193 | kfree(q); | |
194 | } | |
195 | up_write(&dquirks_rwsem); | |
196 | ||
197 | } | |
198 | ||
876b9276 PW |
199 | /** |
200 | * usbhid_quirks_init: apply USB HID quirks specified at module load time | |
201 | */ | |
202 | int usbhid_quirks_init(char **quirks_param) | |
203 | { | |
204 | u16 idVendor, idProduct; | |
205 | u32 quirks; | |
206 | int n = 0, m; | |
207 | ||
44cb2db1 | 208 | for (; n < MAX_USBHID_BOOT_QUIRKS && quirks_param[n]; n++) { |
876b9276 PW |
209 | |
210 | m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x", | |
211 | &idVendor, &idProduct, &quirks); | |
212 | ||
213 | if (m != 3 || | |
214 | usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) { | |
215 | printk(KERN_WARNING | |
216 | "Could not parse HID quirk module param %s\n", | |
217 | quirks_param[n]); | |
218 | } | |
219 | } | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | /** | |
225 | * usbhid_quirks_exit: release memory associated with dynamic_quirks | |
226 | * | |
227 | * Description: | |
228 | * Release all memory associated with dynamic quirks. Called upon | |
229 | * module unload. | |
230 | * | |
231 | * Returns: nothing | |
232 | */ | |
233 | void usbhid_quirks_exit(void) | |
234 | { | |
235 | usbhid_remove_all_dquirks(); | |
236 | } | |
8cef9082 PW |
237 | |
238 | /** | |
239 | * usbhid_exists_squirk: return any static quirks for a USB HID device | |
240 | * @idVendor: the 16-bit USB vendor ID, in native byteorder | |
241 | * @idProduct: the 16-bit USB product ID, in native byteorder | |
242 | * | |
243 | * Description: | |
244 | * Given a USB vendor ID and product ID, return a pointer to | |
245 | * the hid_blacklist entry associated with that device. | |
246 | * | |
247 | * Returns: pointer if quirk found, or NULL if no quirks found. | |
248 | */ | |
8222fbe6 | 249 | static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor, |
8cef9082 | 250 | const u16 idProduct) |
8222fbe6 | 251 | { |
8cef9082 PW |
252 | const struct hid_blacklist *bl_entry = NULL; |
253 | int n = 0; | |
8222fbe6 PW |
254 | |
255 | for (; hid_blacklist[n].idVendor; n++) | |
256 | if (hid_blacklist[n].idVendor == idVendor && | |
257 | hid_blacklist[n].idProduct == idProduct) | |
258 | bl_entry = &hid_blacklist[n]; | |
259 | ||
260 | if (bl_entry != NULL) | |
58037eb9 | 261 | dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n", |
8222fbe6 PW |
262 | bl_entry->quirks, bl_entry->idVendor, |
263 | bl_entry->idProduct); | |
264 | return bl_entry; | |
265 | } | |
2eb5dc30 PW |
266 | |
267 | /** | |
268 | * usbhid_lookup_quirk: return any quirks associated with a USB HID device | |
269 | * @idVendor: the 16-bit USB vendor ID, in native byteorder | |
270 | * @idProduct: the 16-bit USB product ID, in native byteorder | |
271 | * | |
272 | * Description: | |
273 | * Given a USB vendor ID and product ID, return any quirks associated | |
274 | * with that device. | |
275 | * | |
276 | * Returns: a u32 quirks value. | |
277 | */ | |
278 | u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) | |
279 | { | |
280 | u32 quirks = 0; | |
8222fbe6 | 281 | const struct hid_blacklist *bl_entry = NULL; |
2eb5dc30 | 282 | |
b8e98f1c JK |
283 | /* NCR devices must not be queried for reports */ |
284 | if (idVendor == USB_VENDOR_ID_NCR && | |
285 | idProduct >= USB_DEVICE_ID_NCR_FIRST && | |
286 | idProduct <= USB_DEVICE_ID_NCR_LAST) | |
5b915d9e | 287 | return HID_QUIRK_NO_INIT_REPORTS; |
b8e98f1c | 288 | |
8cef9082 PW |
289 | down_read(&dquirks_rwsem); |
290 | bl_entry = usbhid_exists_dquirk(idVendor, idProduct); | |
291 | if (!bl_entry) | |
292 | bl_entry = usbhid_exists_squirk(idVendor, idProduct); | |
8222fbe6 PW |
293 | if (bl_entry) |
294 | quirks = bl_entry->quirks; | |
8cef9082 PW |
295 | up_read(&dquirks_rwsem); |
296 | ||
2eb5dc30 PW |
297 | return quirks; |
298 | } | |
8222fbe6 | 299 | |
9f6b3727 | 300 | EXPORT_SYMBOL_GPL(usbhid_lookup_quirk); |