Commit | Line | Data |
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dde5845a | 1 | /* |
dde5845a | 2 | * Copyright (c) 2000-2001 Vojtech Pavlik |
7d39e849 | 3 | * Copyright (c) 2006-2010 Jiri Kosina |
dde5845a JK |
4 | * |
5 | * HID to Linux Input mapping | |
6 | */ | |
7 | ||
8 | /* | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * Should you need to contact me, the author, you can do so either by | |
24 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
25 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
26 | */ | |
27 | ||
28 | #include <linux/module.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/kernel.h> | |
dde5845a | 31 | |
dde5845a | 32 | #include <linux/hid.h> |
c080d89a | 33 | #include <linux/hid-debug.h> |
dde5845a | 34 | |
bbc21cfd JF |
35 | #include "hid-ids.h" |
36 | ||
dde5845a JK |
37 | #define unk KEY_UNKNOWN |
38 | ||
39 | static const unsigned char hid_keyboard[256] = { | |
40 | 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, | |
41 | 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, | |
42 | 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, | |
43 | 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, | |
44 | 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, | |
45 | 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, | |
46 | 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, | |
47 | 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, | |
48 | 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, | |
437f3b19 | 49 | 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk, |
dde5845a | 50 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
1fe8736d | 51 | unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk, |
dde5845a | 52 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
437f3b19 | 53 | unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk, |
dde5845a JK |
54 | 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, |
55 | 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk | |
56 | }; | |
57 | ||
58 | static const struct { | |
59 | __s32 x; | |
60 | __s32 y; | |
61 | } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; | |
62 | ||
022e8c4d JS |
63 | #define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c)) |
64 | #define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c)) | |
65 | #define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c)) | |
66 | #define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c)) | |
dde5845a | 67 | |
022e8c4d JS |
68 | #define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ |
69 | &max, EV_ABS, (c)) | |
70 | #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ | |
71 | &max, EV_KEY, (c)) | |
dde5845a | 72 | |
a0bf0ea8 DT |
73 | static bool match_scancode(struct hid_usage *usage, |
74 | unsigned int cur_idx, unsigned int scancode) | |
fe7ba31f | 75 | { |
a0bf0ea8 | 76 | return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode; |
fe7ba31f MR |
77 | } |
78 | ||
a0bf0ea8 DT |
79 | static bool match_keycode(struct hid_usage *usage, |
80 | unsigned int cur_idx, unsigned int keycode) | |
fe7ba31f | 81 | { |
f5854fad DT |
82 | /* |
83 | * We should exclude unmapped usages when doing lookup by keycode. | |
84 | */ | |
85 | return (usage->type == EV_KEY && usage->code == keycode); | |
a0bf0ea8 | 86 | } |
58b93995 | 87 | |
a0bf0ea8 DT |
88 | static bool match_index(struct hid_usage *usage, |
89 | unsigned int cur_idx, unsigned int idx) | |
90 | { | |
91 | return cur_idx == idx; | |
fe7ba31f MR |
92 | } |
93 | ||
a0bf0ea8 DT |
94 | typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage, |
95 | unsigned int cur_idx, unsigned int val); | |
96 | ||
fe7ba31f | 97 | static struct hid_usage *hidinput_find_key(struct hid_device *hid, |
a0bf0ea8 DT |
98 | hid_usage_cmp_t match, |
99 | unsigned int value, | |
100 | unsigned int *usage_idx) | |
fe7ba31f | 101 | { |
a0bf0ea8 | 102 | unsigned int i, j, k, cur_idx = 0; |
fe7ba31f MR |
103 | struct hid_report *report; |
104 | struct hid_usage *usage; | |
105 | ||
106 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
107 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { | |
108 | for (i = 0; i < report->maxfield; i++) { | |
a0bf0ea8 | 109 | for (j = 0; j < report->field[i]->maxusage; j++) { |
fe7ba31f | 110 | usage = report->field[i]->usage + j; |
f5854fad | 111 | if (usage->type == EV_KEY || usage->type == 0) { |
a0bf0ea8 DT |
112 | if (match(usage, cur_idx, value)) { |
113 | if (usage_idx) | |
114 | *usage_idx = cur_idx; | |
115 | return usage; | |
116 | } | |
117 | cur_idx++; | |
118 | } | |
fe7ba31f MR |
119 | } |
120 | } | |
121 | } | |
122 | } | |
123 | return NULL; | |
124 | } | |
125 | ||
a0bf0ea8 DT |
126 | static struct hid_usage *hidinput_locate_usage(struct hid_device *hid, |
127 | const struct input_keymap_entry *ke, | |
128 | unsigned int *index) | |
129 | { | |
130 | struct hid_usage *usage; | |
131 | unsigned int scancode; | |
132 | ||
133 | if (ke->flags & INPUT_KEYMAP_BY_INDEX) | |
134 | usage = hidinput_find_key(hid, match_index, ke->index, index); | |
135 | else if (input_scancode_to_scalar(ke, &scancode) == 0) | |
136 | usage = hidinput_find_key(hid, match_scancode, scancode, index); | |
137 | else | |
138 | usage = NULL; | |
139 | ||
140 | return usage; | |
141 | } | |
142 | ||
58b93995 | 143 | static int hidinput_getkeycode(struct input_dev *dev, |
a0bf0ea8 | 144 | struct input_keymap_entry *ke) |
fe7ba31f | 145 | { |
f202df60 | 146 | struct hid_device *hid = input_get_drvdata(dev); |
fe7ba31f | 147 | struct hid_usage *usage; |
a0bf0ea8 | 148 | unsigned int scancode, index; |
77b29662 | 149 | |
a0bf0ea8 | 150 | usage = hidinput_locate_usage(hid, ke, &index); |
fe7ba31f | 151 | if (usage) { |
f5854fad DT |
152 | ke->keycode = usage->type == EV_KEY ? |
153 | usage->code : KEY_RESERVED; | |
a0bf0ea8 DT |
154 | ke->index = index; |
155 | scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE); | |
156 | ke->len = sizeof(scancode); | |
157 | memcpy(ke->scancode, &scancode, sizeof(scancode)); | |
fe7ba31f MR |
158 | return 0; |
159 | } | |
a0bf0ea8 | 160 | |
fe7ba31f MR |
161 | return -EINVAL; |
162 | } | |
163 | ||
58b93995 | 164 | static int hidinput_setkeycode(struct input_dev *dev, |
a0bf0ea8 DT |
165 | const struct input_keymap_entry *ke, |
166 | unsigned int *old_keycode) | |
fe7ba31f | 167 | { |
f202df60 | 168 | struct hid_device *hid = input_get_drvdata(dev); |
fe7ba31f | 169 | struct hid_usage *usage; |
77b29662 | 170 | |
a0bf0ea8 | 171 | usage = hidinput_locate_usage(hid, ke, NULL); |
fe7ba31f | 172 | if (usage) { |
f5854fad DT |
173 | *old_keycode = usage->type == EV_KEY ? |
174 | usage->code : KEY_RESERVED; | |
a0bf0ea8 | 175 | usage->code = ke->keycode; |
77b29662 | 176 | |
a0bf0ea8 | 177 | clear_bit(*old_keycode, dev->keybit); |
fe7ba31f | 178 | set_bit(usage->code, dev->keybit); |
587d1452 | 179 | dbg_hid("Assigned keycode %d to HID usage code %x\n", |
a0bf0ea8 DT |
180 | usage->code, usage->hid); |
181 | ||
182 | /* | |
183 | * Set the keybit for the old keycode if the old keycode is used | |
184 | * by another key | |
185 | */ | |
186 | if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL)) | |
187 | set_bit(*old_keycode, dev->keybit); | |
77b29662 | 188 | |
fe7ba31f MR |
189 | return 0; |
190 | } | |
77b29662 | 191 | |
fe7ba31f MR |
192 | return -EINVAL; |
193 | } | |
194 | ||
4ea6e4ff NK |
195 | /** |
196 | * hidinput_calc_abs_res - calculate an absolute axis resolution | |
197 | * @field: the HID report field to calculate resolution for | |
198 | * @code: axis code | |
199 | * | |
200 | * The formula is: | |
201 | * (logical_maximum - logical_minimum) | |
202 | * resolution = ---------------------------------------------------------- | |
203 | * (physical_maximum - physical_minimum) * 10 ^ unit_exponent | |
204 | * | |
205 | * as seen in the HID specification v1.11 6.2.2.7 Global Items. | |
206 | * | |
83ed79c5 DT |
207 | * Only exponent 1 length units are processed. Centimeters and inches are |
208 | * converted to millimeters. Degrees are converted to radians. | |
4ea6e4ff | 209 | */ |
37cf6e6f | 210 | __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) |
4ea6e4ff NK |
211 | { |
212 | __s32 unit_exponent = field->unit_exponent; | |
213 | __s32 logical_extents = field->logical_maximum - | |
214 | field->logical_minimum; | |
215 | __s32 physical_extents = field->physical_maximum - | |
216 | field->physical_minimum; | |
217 | __s32 prev; | |
218 | ||
219 | /* Check if the extents are sane */ | |
220 | if (logical_extents <= 0 || physical_extents <= 0) | |
221 | return 0; | |
222 | ||
223 | /* | |
224 | * Verify and convert units. | |
225 | * See HID specification v1.11 6.2.2.7 Global Items for unit decoding | |
226 | */ | |
b73b2da0 NK |
227 | switch (code) { |
228 | case ABS_X: | |
229 | case ABS_Y: | |
230 | case ABS_Z: | |
37cf6e6f BT |
231 | case ABS_MT_POSITION_X: |
232 | case ABS_MT_POSITION_Y: | |
233 | case ABS_MT_TOOL_X: | |
234 | case ABS_MT_TOOL_Y: | |
235 | case ABS_MT_TOUCH_MAJOR: | |
236 | case ABS_MT_TOUCH_MINOR: | |
77463838 BT |
237 | if (field->unit & 0xffffff00) /* Not a length */ |
238 | return 0; | |
239 | unit_exponent += hid_snto32(field->unit >> 4, 4) - 1; | |
240 | switch (field->unit & 0xf) { | |
241 | case 0x1: /* If centimeters */ | |
83ed79c5 DT |
242 | /* Convert to millimeters */ |
243 | unit_exponent += 1; | |
77463838 BT |
244 | break; |
245 | case 0x3: /* If inches */ | |
83ed79c5 DT |
246 | /* Convert to millimeters */ |
247 | prev = physical_extents; | |
248 | physical_extents *= 254; | |
249 | if (physical_extents < prev) | |
4ea6e4ff | 250 | return 0; |
83ed79c5 | 251 | unit_exponent -= 1; |
77463838 BT |
252 | break; |
253 | default: | |
4ea6e4ff NK |
254 | return 0; |
255 | } | |
b73b2da0 NK |
256 | break; |
257 | ||
258 | case ABS_RX: | |
259 | case ABS_RY: | |
260 | case ABS_RZ: | |
261 | case ABS_TILT_X: | |
262 | case ABS_TILT_Y: | |
4ea6e4ff NK |
263 | if (field->unit == 0x14) { /* If degrees */ |
264 | /* Convert to radians */ | |
265 | prev = logical_extents; | |
266 | logical_extents *= 573; | |
267 | if (logical_extents < prev) | |
268 | return 0; | |
269 | unit_exponent += 1; | |
270 | } else if (field->unit != 0x12) { /* If not radians */ | |
271 | return 0; | |
272 | } | |
b73b2da0 NK |
273 | break; |
274 | ||
275 | default: | |
4ea6e4ff NK |
276 | return 0; |
277 | } | |
278 | ||
279 | /* Apply negative unit exponent */ | |
280 | for (; unit_exponent < 0; unit_exponent++) { | |
281 | prev = logical_extents; | |
282 | logical_extents *= 10; | |
283 | if (logical_extents < prev) | |
284 | return 0; | |
285 | } | |
286 | /* Apply positive unit exponent */ | |
287 | for (; unit_exponent > 0; unit_exponent--) { | |
288 | prev = physical_extents; | |
289 | physical_extents *= 10; | |
290 | if (physical_extents < prev) | |
291 | return 0; | |
292 | } | |
293 | ||
294 | /* Calculate resolution */ | |
ccdd6994 | 295 | return DIV_ROUND_CLOSEST(logical_extents, physical_extents); |
4ea6e4ff | 296 | } |
37cf6e6f | 297 | EXPORT_SYMBOL_GPL(hidinput_calc_abs_res); |
4ea6e4ff | 298 | |
4f5ca836 JF |
299 | #ifdef CONFIG_HID_BATTERY_STRENGTH |
300 | static enum power_supply_property hidinput_battery_props[] = { | |
301 | POWER_SUPPLY_PROP_PRESENT, | |
302 | POWER_SUPPLY_PROP_ONLINE, | |
303 | POWER_SUPPLY_PROP_CAPACITY, | |
304 | POWER_SUPPLY_PROP_MODEL_NAME, | |
45d9c273 JF |
305 | POWER_SUPPLY_PROP_STATUS, |
306 | POWER_SUPPLY_PROP_SCOPE, | |
4f5ca836 JF |
307 | }; |
308 | ||
bbc21cfd | 309 | #define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */ |
652aa6a9 | 310 | #define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */ |
bbc21cfd JF |
311 | |
312 | static const struct hid_device_id hid_battery_quirks[] = { | |
4cc85417 OG |
313 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
314 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), | |
315 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
652aa6a9 JF |
316 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
317 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), | |
318 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
0c47935c DN |
319 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
320 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), | |
321 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
bbc21cfd JF |
322 | {} |
323 | }; | |
324 | ||
325 | static unsigned find_battery_quirk(struct hid_device *hdev) | |
326 | { | |
327 | unsigned quirks = 0; | |
328 | const struct hid_device_id *match; | |
329 | ||
330 | match = hid_match_id(hdev, hid_battery_quirks); | |
331 | if (match != NULL) | |
332 | quirks = match->driver_data; | |
333 | ||
334 | return quirks; | |
335 | } | |
336 | ||
4f5ca836 JF |
337 | static int hidinput_get_battery_property(struct power_supply *psy, |
338 | enum power_supply_property prop, | |
339 | union power_supply_propval *val) | |
340 | { | |
341 | struct hid_device *dev = container_of(psy, struct hid_device, battery); | |
342 | int ret = 0; | |
6c2794a2 | 343 | __u8 *buf; |
4f5ca836 JF |
344 | |
345 | switch (prop) { | |
346 | case POWER_SUPPLY_PROP_PRESENT: | |
347 | case POWER_SUPPLY_PROP_ONLINE: | |
348 | val->intval = 1; | |
349 | break; | |
350 | ||
351 | case POWER_SUPPLY_PROP_CAPACITY: | |
6c2794a2 JK |
352 | |
353 | buf = kmalloc(2 * sizeof(__u8), GFP_KERNEL); | |
354 | if (!buf) { | |
355 | ret = -ENOMEM; | |
356 | break; | |
357 | } | |
652aa6a9 | 358 | ret = dev->hid_get_raw_report(dev, dev->battery_report_id, |
6c2794a2 | 359 | buf, 2, |
652aa6a9 JF |
360 | dev->battery_report_type); |
361 | ||
362 | if (ret != 2) { | |
d0a934b7 | 363 | ret = -ENODATA; |
6c2794a2 | 364 | kfree(buf); |
c5a92aa3 DN |
365 | break; |
366 | } | |
d0a934b7 | 367 | ret = 0; |
c5a92aa3 | 368 | |
4f5ca836 | 369 | if (dev->battery_min < dev->battery_max && |
bbc21cfd JF |
370 | buf[1] >= dev->battery_min && |
371 | buf[1] <= dev->battery_max) | |
372 | val->intval = (100 * (buf[1] - dev->battery_min)) / | |
4f5ca836 | 373 | (dev->battery_max - dev->battery_min); |
6c2794a2 | 374 | kfree(buf); |
4f5ca836 JF |
375 | break; |
376 | ||
377 | case POWER_SUPPLY_PROP_MODEL_NAME: | |
378 | val->strval = dev->name; | |
379 | break; | |
380 | ||
c5a92aa3 DN |
381 | case POWER_SUPPLY_PROP_STATUS: |
382 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | |
383 | break; | |
384 | ||
45d9c273 JF |
385 | case POWER_SUPPLY_PROP_SCOPE: |
386 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
387 | break; | |
388 | ||
4f5ca836 JF |
389 | default: |
390 | ret = -EINVAL; | |
391 | break; | |
392 | } | |
393 | ||
394 | return ret; | |
395 | } | |
396 | ||
2f2e3f6d | 397 | static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field) |
4f5ca836 JF |
398 | { |
399 | struct power_supply *battery = &dev->battery; | |
400 | int ret; | |
bbc21cfd | 401 | unsigned quirks; |
2f2e3f6d JF |
402 | s32 min, max; |
403 | ||
404 | if (field->usage->hid != HID_DC_BATTERYSTRENGTH) | |
405 | return false; /* no match */ | |
4f5ca836 JF |
406 | |
407 | if (battery->name != NULL) | |
2f2e3f6d | 408 | goto out; /* already initialized? */ |
4f5ca836 JF |
409 | |
410 | battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq); | |
411 | if (battery->name == NULL) | |
2f2e3f6d | 412 | goto out; |
4f5ca836 JF |
413 | |
414 | battery->type = POWER_SUPPLY_TYPE_BATTERY; | |
415 | battery->properties = hidinput_battery_props; | |
416 | battery->num_properties = ARRAY_SIZE(hidinput_battery_props); | |
417 | battery->use_for_apm = 0; | |
418 | battery->get_property = hidinput_get_battery_property; | |
419 | ||
bbc21cfd JF |
420 | quirks = find_battery_quirk(dev); |
421 | ||
652aa6a9 JF |
422 | hid_dbg(dev, "device %x:%x:%x %d quirks %d\n", |
423 | dev->bus, dev->vendor, dev->product, dev->version, quirks); | |
424 | ||
2f2e3f6d JF |
425 | min = field->logical_minimum; |
426 | max = field->logical_maximum; | |
427 | ||
bbc21cfd JF |
428 | if (quirks & HID_BATTERY_QUIRK_PERCENT) { |
429 | min = 0; | |
430 | max = 100; | |
431 | } | |
432 | ||
652aa6a9 JF |
433 | if (quirks & HID_BATTERY_QUIRK_FEATURE) |
434 | report_type = HID_FEATURE_REPORT; | |
435 | ||
4f5ca836 JF |
436 | dev->battery_min = min; |
437 | dev->battery_max = max; | |
fb8ac91b | 438 | dev->battery_report_type = report_type; |
2f2e3f6d | 439 | dev->battery_report_id = field->report->id; |
4f5ca836 JF |
440 | |
441 | ret = power_supply_register(&dev->dev, battery); | |
442 | if (ret != 0) { | |
443 | hid_warn(dev, "can't register power supply: %d\n", ret); | |
444 | kfree(battery->name); | |
445 | battery->name = NULL; | |
446 | } | |
2f2e3f6d | 447 | |
45d9c273 JF |
448 | power_supply_powers(battery, &dev->dev); |
449 | ||
2f2e3f6d JF |
450 | out: |
451 | return true; | |
4f5ca836 JF |
452 | } |
453 | ||
454 | static void hidinput_cleanup_battery(struct hid_device *dev) | |
455 | { | |
456 | if (!dev->battery.name) | |
457 | return; | |
458 | ||
459 | power_supply_unregister(&dev->battery); | |
460 | kfree(dev->battery.name); | |
461 | dev->battery.name = NULL; | |
462 | } | |
463 | #else /* !CONFIG_HID_BATTERY_STRENGTH */ | |
2f2e3f6d JF |
464 | static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, |
465 | struct hid_field *field) | |
4f5ca836 | 466 | { |
2f2e3f6d | 467 | return false; |
4f5ca836 JF |
468 | } |
469 | ||
470 | static void hidinput_cleanup_battery(struct hid_device *dev) | |
471 | { | |
472 | } | |
473 | #endif /* CONFIG_HID_BATTERY_STRENGTH */ | |
474 | ||
dde5845a JK |
475 | static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, |
476 | struct hid_usage *usage) | |
477 | { | |
478 | struct input_dev *input = hidinput->input; | |
e0712985 | 479 | struct hid_device *device = input_get_drvdata(input); |
3715ade9 | 480 | int max = 0, code; |
dde5845a JK |
481 | unsigned long *bit = NULL; |
482 | ||
483 | field->hidinput = hidinput; | |
484 | ||
dde5845a JK |
485 | if (field->flags & HID_MAIN_ITEM_CONSTANT) |
486 | goto ignore; | |
487 | ||
cc6b54aa BT |
488 | /* Ignore if report count is out of bounds. */ |
489 | if (field->report_count < 1) | |
490 | goto ignore; | |
491 | ||
82eb1219 JK |
492 | /* only LED usages are supported in output fields */ |
493 | if (field->report_type == HID_OUTPUT_REPORT && | |
494 | (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { | |
82eb1219 JK |
495 | goto ignore; |
496 | } | |
497 | ||
c500c971 JS |
498 | if (device->driver->input_mapping) { |
499 | int ret = device->driver->input_mapping(device, hidinput, field, | |
500 | usage, &bit, &max); | |
501 | if (ret > 0) | |
502 | goto mapped; | |
503 | if (ret < 0) | |
504 | goto ignore; | |
505 | } | |
506 | ||
dde5845a | 507 | switch (usage->hid & HID_USAGE_PAGE) { |
880d29f1 JS |
508 | case HID_UP_UNDEFINED: |
509 | goto ignore; | |
dde5845a | 510 | |
880d29f1 JS |
511 | case HID_UP_KEYBOARD: |
512 | set_bit(EV_REP, input->evbit); | |
dde5845a | 513 | |
880d29f1 JS |
514 | if ((usage->hid & HID_USAGE) < 256) { |
515 | if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; | |
516 | map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); | |
517 | } else | |
518 | map_key(KEY_UNKNOWN); | |
dde5845a | 519 | |
880d29f1 | 520 | break; |
dde5845a | 521 | |
880d29f1 | 522 | case HID_UP_BUTTON: |
7f978b9b | 523 | code = ((usage->hid - 1) & HID_USAGE); |
dde5845a | 524 | |
880d29f1 JS |
525 | switch (field->application) { |
526 | case HID_GD_MOUSE: | |
1874542d | 527 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
cf2f765f | 528 | case HID_GD_JOYSTICK: |
fc99f22c DM |
529 | if (code <= 0xf) |
530 | code += BTN_JOYSTICK; | |
531 | else | |
f8e86d05 IR |
532 | code += BTN_TRIGGER_HAPPY - 0x10; |
533 | break; | |
534 | case HID_GD_GAMEPAD: | |
535 | if (code <= 0xf) | |
536 | code += BTN_GAMEPAD; | |
537 | else | |
538 | code += BTN_TRIGGER_HAPPY - 0x10; | |
fc99f22c | 539 | break; |
880d29f1 JS |
540 | default: |
541 | switch (field->physical) { | |
542 | case HID_GD_MOUSE: | |
1874542d FF |
543 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
544 | case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break; | |
545 | case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; | |
546 | default: code += BTN_MISC; | |
dde5845a | 547 | } |
880d29f1 | 548 | } |
dde5845a | 549 | |
880d29f1 JS |
550 | map_key(code); |
551 | break; | |
552 | ||
553 | case HID_UP_SIMULATION: | |
554 | switch (usage->hid & 0xffff) { | |
555 | case 0xba: map_abs(ABS_RUDDER); break; | |
556 | case 0xbb: map_abs(ABS_THROTTLE); break; | |
557 | case 0xc4: map_abs(ABS_GAS); break; | |
558 | case 0xc5: map_abs(ABS_BRAKE); break; | |
559 | case 0xc8: map_abs(ABS_WHEEL); break; | |
560 | default: goto ignore; | |
561 | } | |
562 | break; | |
563 | ||
564 | case HID_UP_GENDESK: | |
565 | if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ | |
566 | switch (usage->hid & 0xf) { | |
567 | case 0x1: map_key_clear(KEY_POWER); break; | |
568 | case 0x2: map_key_clear(KEY_SLEEP); break; | |
569 | case 0x3: map_key_clear(KEY_WAKEUP); break; | |
437f3b19 JW |
570 | case 0x4: map_key_clear(KEY_CONTEXT_MENU); break; |
571 | case 0x5: map_key_clear(KEY_MENU); break; | |
572 | case 0x6: map_key_clear(KEY_PROG1); break; | |
573 | case 0x7: map_key_clear(KEY_HELP); break; | |
574 | case 0x8: map_key_clear(KEY_EXIT); break; | |
575 | case 0x9: map_key_clear(KEY_SELECT); break; | |
576 | case 0xa: map_key_clear(KEY_RIGHT); break; | |
577 | case 0xb: map_key_clear(KEY_LEFT); break; | |
578 | case 0xc: map_key_clear(KEY_UP); break; | |
579 | case 0xd: map_key_clear(KEY_DOWN); break; | |
580 | case 0xe: map_key_clear(KEY_POWER2); break; | |
581 | case 0xf: map_key_clear(KEY_RESTART); break; | |
880d29f1 | 582 | default: goto unknown; |
dde5845a JK |
583 | } |
584 | break; | |
880d29f1 | 585 | } |
dde5845a | 586 | |
880d29f1 | 587 | if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ |
dde5845a | 588 | switch (usage->hid) { |
880d29f1 JS |
589 | case HID_GD_UP: usage->hat_dir = 1; break; |
590 | case HID_GD_DOWN: usage->hat_dir = 5; break; | |
591 | case HID_GD_RIGHT: usage->hat_dir = 3; break; | |
592 | case HID_GD_LEFT: usage->hat_dir = 7; break; | |
593 | default: goto unknown; | |
dde5845a | 594 | } |
880d29f1 JS |
595 | if (field->dpad) { |
596 | map_abs(field->dpad); | |
597 | goto ignore; | |
d4ae650a | 598 | } |
880d29f1 | 599 | map_abs(ABS_HAT0X); |
dde5845a | 600 | break; |
880d29f1 | 601 | } |
dde5845a | 602 | |
880d29f1 JS |
603 | switch (usage->hid) { |
604 | /* These usage IDs map directly to the usage codes. */ | |
605 | case HID_GD_X: case HID_GD_Y: case HID_GD_Z: | |
606 | case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: | |
607 | case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: | |
608 | if (field->flags & HID_MAIN_ITEM_RELATIVE) | |
609 | map_rel(usage->hid & 0xf); | |
610 | else | |
611 | map_abs(usage->hid & 0xf); | |
612 | break; | |
dde5845a | 613 | |
880d29f1 JS |
614 | case HID_GD_HATSWITCH: |
615 | usage->hat_min = field->logical_minimum; | |
616 | usage->hat_max = field->logical_maximum; | |
617 | map_abs(ABS_HAT0X); | |
618 | break; | |
dde5845a | 619 | |
880d29f1 JS |
620 | case HID_GD_START: map_key_clear(BTN_START); break; |
621 | case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; | |
dde5845a | 622 | |
880d29f1 JS |
623 | default: goto unknown; |
624 | } | |
dde5845a | 625 | |
880d29f1 JS |
626 | break; |
627 | ||
628 | case HID_UP_LED: | |
629 | switch (usage->hid & 0xffff) { /* HID-Value: */ | |
630 | case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ | |
631 | case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ | |
632 | case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ | |
633 | case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ | |
634 | case 0x05: map_led (LED_KANA); break; /* "Kana" */ | |
635 | case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ | |
636 | case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ | |
637 | case 0x09: map_led (LED_MUTE); break; /* "Mute" */ | |
638 | case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ | |
639 | case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ | |
640 | case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ | |
641 | ||
642 | default: goto ignore; | |
643 | } | |
644 | break; | |
645 | ||
646 | case HID_UP_DIGITIZER: | |
647 | switch (usage->hid & 0xff) { | |
8c8b01c3 FB |
648 | case 0x00: /* Undefined */ |
649 | goto ignore; | |
650 | ||
880d29f1 JS |
651 | case 0x30: /* TipPressure */ |
652 | if (!test_bit(BTN_TOUCH, input->keybit)) { | |
653 | device->quirks |= HID_QUIRK_NOTOUCH; | |
654 | set_bit(EV_KEY, input->evbit); | |
655 | set_bit(BTN_TOUCH, input->keybit); | |
dde5845a | 656 | } |
880d29f1 | 657 | map_abs_clear(ABS_PRESSURE); |
dde5845a JK |
658 | break; |
659 | ||
880d29f1 JS |
660 | case 0x32: /* InRange */ |
661 | switch (field->physical & 0xff) { | |
662 | case 0x21: map_key(BTN_TOOL_MOUSE); break; | |
663 | case 0x22: map_key(BTN_TOOL_FINGER); break; | |
664 | default: map_key(BTN_TOOL_PEN); break; | |
dde5845a JK |
665 | } |
666 | break; | |
667 | ||
880d29f1 JS |
668 | case 0x3c: /* Invert */ |
669 | map_key_clear(BTN_TOOL_RUBBER); | |
dde5845a JK |
670 | break; |
671 | ||
b73b2da0 NK |
672 | case 0x3d: /* X Tilt */ |
673 | map_abs_clear(ABS_TILT_X); | |
674 | break; | |
675 | ||
676 | case 0x3e: /* Y Tilt */ | |
677 | map_abs_clear(ABS_TILT_Y); | |
678 | break; | |
679 | ||
880d29f1 JS |
680 | case 0x33: /* Touch */ |
681 | case 0x42: /* TipSwitch */ | |
682 | case 0x43: /* TipSwitch2 */ | |
683 | device->quirks &= ~HID_QUIRK_NOTOUCH; | |
684 | map_key_clear(BTN_TOUCH); | |
685 | break; | |
dde5845a | 686 | |
880d29f1 JS |
687 | case 0x44: /* BarrelSwitch */ |
688 | map_key_clear(BTN_STYLUS); | |
689 | break; | |
dde5845a | 690 | |
50b63697 NK |
691 | case 0x46: /* TabletPick */ |
692 | map_key_clear(BTN_STYLUS2); | |
693 | break; | |
694 | ||
880d29f1 JS |
695 | default: goto unknown; |
696 | } | |
697 | break; | |
698 | ||
437f3b19 | 699 | case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ |
880d29f1 JS |
700 | switch (usage->hid & HID_USAGE) { |
701 | case 0x000: goto ignore; | |
437f3b19 JW |
702 | case 0x030: map_key_clear(KEY_POWER); break; |
703 | case 0x031: map_key_clear(KEY_RESTART); break; | |
704 | case 0x032: map_key_clear(KEY_SLEEP); break; | |
880d29f1 | 705 | case 0x034: map_key_clear(KEY_SLEEP); break; |
437f3b19 | 706 | case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break; |
880d29f1 JS |
707 | case 0x036: map_key_clear(BTN_MISC); break; |
708 | ||
437f3b19 JW |
709 | case 0x040: map_key_clear(KEY_MENU); break; /* Menu */ |
710 | case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */ | |
711 | case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */ | |
712 | case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */ | |
713 | case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */ | |
714 | case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */ | |
715 | case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */ | |
716 | case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ | |
717 | case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ | |
718 | ||
719 | case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */ | |
720 | case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */ | |
721 | case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */ | |
722 | case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */ | |
723 | case 0x069: map_key_clear(KEY_RED); break; | |
724 | case 0x06a: map_key_clear(KEY_GREEN); break; | |
725 | case 0x06b: map_key_clear(KEY_BLUE); break; | |
726 | case 0x06c: map_key_clear(KEY_YELLOW); break; | |
727 | case 0x06d: map_key_clear(KEY_ZOOM); break; | |
728 | ||
729 | case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; | |
880d29f1 | 730 | case 0x083: map_key_clear(KEY_LAST); break; |
437f3b19 | 731 | case 0x084: map_key_clear(KEY_ENTER); break; |
880d29f1 JS |
732 | case 0x088: map_key_clear(KEY_PC); break; |
733 | case 0x089: map_key_clear(KEY_TV); break; | |
734 | case 0x08a: map_key_clear(KEY_WWW); break; | |
735 | case 0x08b: map_key_clear(KEY_DVD); break; | |
736 | case 0x08c: map_key_clear(KEY_PHONE); break; | |
737 | case 0x08d: map_key_clear(KEY_PROGRAM); break; | |
738 | case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; | |
739 | case 0x08f: map_key_clear(KEY_GAMES); break; | |
740 | case 0x090: map_key_clear(KEY_MEMO); break; | |
741 | case 0x091: map_key_clear(KEY_CD); break; | |
742 | case 0x092: map_key_clear(KEY_VCR); break; | |
743 | case 0x093: map_key_clear(KEY_TUNER); break; | |
744 | case 0x094: map_key_clear(KEY_EXIT); break; | |
745 | case 0x095: map_key_clear(KEY_HELP); break; | |
746 | case 0x096: map_key_clear(KEY_TAPE); break; | |
747 | case 0x097: map_key_clear(KEY_TV2); break; | |
748 | case 0x098: map_key_clear(KEY_SAT); break; | |
749 | case 0x09a: map_key_clear(KEY_PVR); break; | |
750 | ||
751 | case 0x09c: map_key_clear(KEY_CHANNELUP); break; | |
752 | case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; | |
753 | case 0x0a0: map_key_clear(KEY_VCR2); break; | |
754 | ||
755 | case 0x0b0: map_key_clear(KEY_PLAY); break; | |
756 | case 0x0b1: map_key_clear(KEY_PAUSE); break; | |
757 | case 0x0b2: map_key_clear(KEY_RECORD); break; | |
758 | case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; | |
759 | case 0x0b4: map_key_clear(KEY_REWIND); break; | |
760 | case 0x0b5: map_key_clear(KEY_NEXTSONG); break; | |
761 | case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; | |
762 | case 0x0b7: map_key_clear(KEY_STOPCD); break; | |
763 | case 0x0b8: map_key_clear(KEY_EJECTCD); break; | |
764 | case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; | |
437f3b19 JW |
765 | case 0x0b9: map_key_clear(KEY_SHUFFLE); break; |
766 | case 0x0bf: map_key_clear(KEY_SLOW); break; | |
880d29f1 JS |
767 | |
768 | case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; | |
769 | case 0x0e0: map_abs_clear(ABS_VOLUME); break; | |
770 | case 0x0e2: map_key_clear(KEY_MUTE); break; | |
771 | case 0x0e5: map_key_clear(KEY_BASSBOOST); break; | |
772 | case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; | |
773 | case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; | |
437f3b19 | 774 | case 0x0f5: map_key_clear(KEY_SLOW); break; |
880d29f1 JS |
775 | |
776 | case 0x182: map_key_clear(KEY_BOOKMARKS); break; | |
777 | case 0x183: map_key_clear(KEY_CONFIG); break; | |
778 | case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; | |
779 | case 0x185: map_key_clear(KEY_EDITOR); break; | |
780 | case 0x186: map_key_clear(KEY_SPREADSHEET); break; | |
781 | case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; | |
782 | case 0x188: map_key_clear(KEY_PRESENTATION); break; | |
783 | case 0x189: map_key_clear(KEY_DATABASE); break; | |
784 | case 0x18a: map_key_clear(KEY_MAIL); break; | |
785 | case 0x18b: map_key_clear(KEY_NEWS); break; | |
786 | case 0x18c: map_key_clear(KEY_VOICEMAIL); break; | |
787 | case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; | |
788 | case 0x18e: map_key_clear(KEY_CALENDAR); break; | |
789 | case 0x191: map_key_clear(KEY_FINANCE); break; | |
790 | case 0x192: map_key_clear(KEY_CALC); break; | |
437f3b19 | 791 | case 0x193: map_key_clear(KEY_PLAYER); break; |
880d29f1 JS |
792 | case 0x194: map_key_clear(KEY_FILE); break; |
793 | case 0x196: map_key_clear(KEY_WWW); break; | |
0690535d | 794 | case 0x199: map_key_clear(KEY_CHAT); break; |
880d29f1 JS |
795 | case 0x19c: map_key_clear(KEY_LOGOFF); break; |
796 | case 0x19e: map_key_clear(KEY_COFFEE); break; | |
797 | case 0x1a6: map_key_clear(KEY_HELP); break; | |
798 | case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; | |
799 | case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; | |
437f3b19 JW |
800 | case 0x1ae: map_key_clear(KEY_KEYBOARD); break; |
801 | case 0x1b6: map_key_clear(KEY_IMAGES); break; | |
802 | case 0x1b7: map_key_clear(KEY_AUDIO); break; | |
803 | case 0x1b8: map_key_clear(KEY_VIDEO); break; | |
880d29f1 JS |
804 | case 0x1bc: map_key_clear(KEY_MESSENGER); break; |
805 | case 0x1bd: map_key_clear(KEY_INFO); break; | |
806 | case 0x201: map_key_clear(KEY_NEW); break; | |
807 | case 0x202: map_key_clear(KEY_OPEN); break; | |
808 | case 0x203: map_key_clear(KEY_CLOSE); break; | |
809 | case 0x204: map_key_clear(KEY_EXIT); break; | |
810 | case 0x207: map_key_clear(KEY_SAVE); break; | |
811 | case 0x208: map_key_clear(KEY_PRINT); break; | |
812 | case 0x209: map_key_clear(KEY_PROPS); break; | |
813 | case 0x21a: map_key_clear(KEY_UNDO); break; | |
814 | case 0x21b: map_key_clear(KEY_COPY); break; | |
815 | case 0x21c: map_key_clear(KEY_CUT); break; | |
816 | case 0x21d: map_key_clear(KEY_PASTE); break; | |
817 | case 0x21f: map_key_clear(KEY_FIND); break; | |
818 | case 0x221: map_key_clear(KEY_SEARCH); break; | |
819 | case 0x222: map_key_clear(KEY_GOTO); break; | |
820 | case 0x223: map_key_clear(KEY_HOMEPAGE); break; | |
821 | case 0x224: map_key_clear(KEY_BACK); break; | |
822 | case 0x225: map_key_clear(KEY_FORWARD); break; | |
823 | case 0x226: map_key_clear(KEY_STOP); break; | |
824 | case 0x227: map_key_clear(KEY_REFRESH); break; | |
825 | case 0x22a: map_key_clear(KEY_BOOKMARKS); break; | |
826 | case 0x22d: map_key_clear(KEY_ZOOMIN); break; | |
827 | case 0x22e: map_key_clear(KEY_ZOOMOUT); break; | |
828 | case 0x22f: map_key_clear(KEY_ZOOMRESET); break; | |
829 | case 0x233: map_key_clear(KEY_SCROLLUP); break; | |
830 | case 0x234: map_key_clear(KEY_SCROLLDOWN); break; | |
831 | case 0x238: map_rel(REL_HWHEEL); break; | |
437f3b19 | 832 | case 0x23d: map_key_clear(KEY_EDIT); break; |
880d29f1 | 833 | case 0x25f: map_key_clear(KEY_CANCEL); break; |
437f3b19 JW |
834 | case 0x269: map_key_clear(KEY_INSERT); break; |
835 | case 0x26a: map_key_clear(KEY_DELETE); break; | |
880d29f1 JS |
836 | case 0x279: map_key_clear(KEY_REDO); break; |
837 | ||
838 | case 0x289: map_key_clear(KEY_REPLY); break; | |
839 | case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; | |
840 | case 0x28c: map_key_clear(KEY_SEND); break; | |
841 | ||
842 | default: goto ignore; | |
843 | } | |
844 | break; | |
845 | ||
4f5ca836 | 846 | case HID_UP_GENDEVCTRLS: |
2f2e3f6d | 847 | if (hidinput_setup_battery(device, HID_INPUT_REPORT, field)) |
4f5ca836 | 848 | goto ignore; |
2f2e3f6d | 849 | else |
4f5ca836 JF |
850 | goto unknown; |
851 | break; | |
852 | ||
880d29f1 JS |
853 | case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ |
854 | set_bit(EV_REP, input->evbit); | |
855 | switch (usage->hid & HID_USAGE) { | |
856 | case 0x021: map_key_clear(KEY_PRINT); break; | |
857 | case 0x070: map_key_clear(KEY_HP); break; | |
858 | case 0x071: map_key_clear(KEY_CAMERA); break; | |
859 | case 0x072: map_key_clear(KEY_SOUND); break; | |
860 | case 0x073: map_key_clear(KEY_QUESTION); break; | |
861 | case 0x080: map_key_clear(KEY_EMAIL); break; | |
862 | case 0x081: map_key_clear(KEY_CHAT); break; | |
863 | case 0x082: map_key_clear(KEY_SEARCH); break; | |
864 | case 0x083: map_key_clear(KEY_CONNECT); break; | |
865 | case 0x084: map_key_clear(KEY_FINANCE); break; | |
866 | case 0x085: map_key_clear(KEY_SPORT); break; | |
867 | case 0x086: map_key_clear(KEY_SHOP); break; | |
929578ab KYL |
868 | default: goto ignore; |
869 | } | |
870 | break; | |
871 | ||
872 | case HID_UP_HPVENDOR2: | |
873 | set_bit(EV_REP, input->evbit); | |
874 | switch (usage->hid & HID_USAGE) { | |
875 | case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
876 | case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break; | |
880d29f1 JS |
877 | default: goto ignore; |
878 | } | |
879 | break; | |
dde5845a | 880 | |
880d29f1 JS |
881 | case HID_UP_MSVENDOR: |
882 | goto ignore; | |
dde5845a | 883 | |
880d29f1 JS |
884 | case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ |
885 | set_bit(EV_REP, input->evbit); | |
886 | goto ignore; | |
dde5845a | 887 | |
880d29f1 JS |
888 | case HID_UP_LOGIVENDOR: |
889 | goto ignore; | |
fc99f22c | 890 | |
880d29f1 JS |
891 | case HID_UP_PID: |
892 | switch (usage->hid & HID_USAGE) { | |
893 | case 0xa4: map_key_clear(BTN_DEAD); break; | |
894 | default: goto ignore; | |
895 | } | |
896 | break; | |
dde5845a | 897 | |
880d29f1 JS |
898 | default: |
899 | unknown: | |
900 | if (field->report_size == 1) { | |
901 | if (field->report->type == HID_OUTPUT_REPORT) { | |
902 | map_led(LED_MISC); | |
dde5845a JK |
903 | break; |
904 | } | |
880d29f1 | 905 | map_key(BTN_MISC); |
dde5845a | 906 | break; |
880d29f1 JS |
907 | } |
908 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { | |
909 | map_rel(REL_MISC); | |
910 | break; | |
911 | } | |
912 | map_abs(ABS_MISC); | |
913 | break; | |
dde5845a JK |
914 | } |
915 | ||
10bd065f | 916 | mapped: |
c500c971 JS |
917 | if (device->driver->input_mapped && device->driver->input_mapped(device, |
918 | hidinput, field, usage, &bit, &max) < 0) | |
919 | goto ignore; | |
920 | ||
dde5845a JK |
921 | set_bit(usage->type, input->evbit); |
922 | ||
923 | while (usage->code <= max && test_and_set_bit(usage->code, bit)) | |
924 | usage->code = find_next_zero_bit(bit, max + 1, usage->code); | |
925 | ||
926 | if (usage->code > max) | |
927 | goto ignore; | |
928 | ||
929 | ||
930 | if (usage->type == EV_ABS) { | |
931 | ||
932 | int a = field->logical_minimum; | |
933 | int b = field->logical_maximum; | |
934 | ||
935 | if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { | |
936 | a = field->logical_minimum = 0; | |
937 | b = field->logical_maximum = 255; | |
938 | } | |
939 | ||
940 | if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) | |
941 | input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); | |
942 | else input_set_abs_params(input, usage->code, a, b, 0, 0); | |
943 | ||
4ea6e4ff NK |
944 | input_abs_set_res(input, usage->code, |
945 | hidinput_calc_abs_res(field, usage->code)); | |
946 | ||
6967b4d9 HR |
947 | /* use a larger default input buffer for MT devices */ |
948 | if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) | |
949 | input_set_events_per_packet(input, 60); | |
dde5845a JK |
950 | } |
951 | ||
952 | if (usage->type == EV_ABS && | |
953 | (usage->hat_min < usage->hat_max || usage->hat_dir)) { | |
954 | int i; | |
955 | for (i = usage->code; i < usage->code + 2 && i <= max; i++) { | |
956 | input_set_abs_params(input, i, -1, 1, 0, 0); | |
957 | set_bit(i, input->absbit); | |
958 | } | |
959 | if (usage->hat_dir && !field->dpad) | |
960 | field->dpad = usage->code; | |
961 | } | |
962 | ||
2c1d8aea JK |
963 | /* for those devices which produce Consumer volume usage as relative, |
964 | * we emulate pressing volumeup/volumedown appropriate number of times | |
965 | * in hidinput_hid_event() | |
966 | */ | |
967 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && | |
968 | (usage->code == ABS_VOLUME)) { | |
969 | set_bit(KEY_VOLUMEUP, input->keybit); | |
970 | set_bit(KEY_VOLUMEDOWN, input->keybit); | |
971 | } | |
972 | ||
c01d50d1 JK |
973 | if (usage->type == EV_KEY) { |
974 | set_bit(EV_MSC, input->evbit); | |
975 | set_bit(MSC_SCAN, input->mscbit); | |
976 | } | |
977 | ||
dde5845a | 978 | ignore: |
dde5845a | 979 | return; |
a635f9dd | 980 | |
dde5845a JK |
981 | } |
982 | ||
983 | void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) | |
984 | { | |
985 | struct input_dev *input; | |
b4482a4b | 986 | unsigned *quirks = &hid->quirks; |
dde5845a JK |
987 | |
988 | if (!field->hidinput) | |
989 | return; | |
990 | ||
991 | input = field->hidinput->input; | |
992 | ||
993 | if (!usage->type) | |
994 | return; | |
995 | ||
dde5845a JK |
996 | if (usage->hat_min < usage->hat_max || usage->hat_dir) { |
997 | int hat_dir = usage->hat_dir; | |
998 | if (!hat_dir) | |
999 | hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; | |
1000 | if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; | |
1001 | input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); | |
fc99f22c DM |
1002 | input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); |
1003 | return; | |
1004 | } | |
dde5845a JK |
1005 | |
1006 | if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ | |
1007 | *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); | |
1008 | return; | |
1009 | } | |
1010 | ||
1011 | if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ | |
1012 | if (value) { | |
1013 | input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); | |
1014 | return; | |
1015 | } | |
1016 | input_event(input, usage->type, usage->code, 0); | |
1017 | input_event(input, usage->type, BTN_TOOL_RUBBER, 0); | |
1018 | return; | |
1019 | } | |
1020 | ||
1021 | if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ | |
1022 | int a = field->logical_minimum; | |
1023 | int b = field->logical_maximum; | |
1024 | input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); | |
1025 | } | |
1026 | ||
1027 | if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ | |
58037eb9 | 1028 | dbg_hid("Maximum Effects - %d\n",value); |
dde5845a JK |
1029 | return; |
1030 | } | |
1031 | ||
1032 | if (usage->hid == (HID_UP_PID | 0x7fUL)) { | |
58037eb9 | 1033 | dbg_hid("PID Pool Report\n"); |
dde5845a JK |
1034 | return; |
1035 | } | |
1036 | ||
1037 | if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ | |
1038 | return; | |
1039 | ||
2c1d8aea JK |
1040 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
1041 | (usage->code == ABS_VOLUME)) { | |
1042 | int count = abs(value); | |
1043 | int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; | |
1044 | int i; | |
1045 | ||
1046 | for (i = 0; i < count; i++) { | |
1047 | input_event(input, EV_KEY, direction, 1); | |
1048 | input_sync(input); | |
1049 | input_event(input, EV_KEY, direction, 0); | |
1050 | input_sync(input); | |
1051 | } | |
1052 | return; | |
1053 | } | |
1054 | ||
883e0e36 NK |
1055 | /* |
1056 | * Ignore out-of-range values as per HID specification, | |
a688393b JK |
1057 | * section 5.10 and 6.2.25. |
1058 | * | |
1059 | * The logical_minimum < logical_maximum check is done so that we | |
1060 | * don't unintentionally discard values sent by devices which | |
1061 | * don't specify logical min and max. | |
883e0e36 NK |
1062 | */ |
1063 | if ((field->flags & HID_MAIN_ITEM_VARIABLE) && | |
6f1891d0 | 1064 | (field->logical_minimum < field->logical_maximum) && |
883e0e36 NK |
1065 | (value < field->logical_minimum || |
1066 | value > field->logical_maximum)) { | |
6da70669 JK |
1067 | dbg_hid("Ignoring out-of-range value %x\n", value); |
1068 | return; | |
1069 | } | |
1070 | ||
c01d50d1 JK |
1071 | /* report the usage code as scancode if the key status has changed */ |
1072 | if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) | |
1073 | input_event(input, EV_MSC, MSC_SCAN, usage->hid); | |
1fe8736d | 1074 | |
dde5845a JK |
1075 | input_event(input, usage->type, usage->code, value); |
1076 | ||
1077 | if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) | |
1078 | input_event(input, usage->type, usage->code, 0); | |
1079 | } | |
1080 | ||
1081 | void hidinput_report_event(struct hid_device *hid, struct hid_report *report) | |
1082 | { | |
1083 | struct hid_input *hidinput; | |
1084 | ||
24750f3e HR |
1085 | if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) |
1086 | return; | |
1087 | ||
dde5845a JK |
1088 | list_for_each_entry(hidinput, &hid->inputs, list) |
1089 | input_sync(hidinput->input); | |
1090 | } | |
229695e5 | 1091 | EXPORT_SYMBOL_GPL(hidinput_report_event); |
dde5845a | 1092 | |
229695e5 | 1093 | int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) |
dde5845a JK |
1094 | { |
1095 | struct hid_report *report; | |
1096 | int i, j; | |
1097 | ||
1098 | list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { | |
1099 | for (i = 0; i < report->maxfield; i++) { | |
1100 | *field = report->field[i]; | |
1101 | for (j = 0; j < (*field)->maxusage; j++) | |
1102 | if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) | |
1103 | return j; | |
1104 | } | |
1105 | } | |
1106 | return -1; | |
1107 | } | |
229695e5 | 1108 | EXPORT_SYMBOL_GPL(hidinput_find_field); |
dde5845a | 1109 | |
4371ea82 DK |
1110 | struct hid_field *hidinput_get_led_field(struct hid_device *hid) |
1111 | { | |
1112 | struct hid_report *report; | |
1113 | struct hid_field *field; | |
1114 | int i, j; | |
1115 | ||
1116 | list_for_each_entry(report, | |
1117 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, | |
1118 | list) { | |
1119 | for (i = 0; i < report->maxfield; i++) { | |
1120 | field = report->field[i]; | |
1121 | for (j = 0; j < field->maxusage; j++) | |
1122 | if (field->usage[j].type == EV_LED) | |
1123 | return field; | |
1124 | } | |
1125 | } | |
1126 | return NULL; | |
1127 | } | |
1128 | EXPORT_SYMBOL_GPL(hidinput_get_led_field); | |
1129 | ||
1130 | unsigned int hidinput_count_leds(struct hid_device *hid) | |
1131 | { | |
1132 | struct hid_report *report; | |
1133 | struct hid_field *field; | |
1134 | int i, j; | |
1135 | unsigned int count = 0; | |
1136 | ||
1137 | list_for_each_entry(report, | |
1138 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, | |
1139 | list) { | |
1140 | for (i = 0; i < report->maxfield; i++) { | |
1141 | field = report->field[i]; | |
1142 | for (j = 0; j < field->maxusage; j++) | |
1143 | if (field->usage[j].type == EV_LED && | |
1144 | field->value[j]) | |
1145 | count += 1; | |
1146 | } | |
1147 | } | |
1148 | return count; | |
1149 | } | |
1150 | EXPORT_SYMBOL_GPL(hidinput_count_leds); | |
1151 | ||
50c9d75b DH |
1152 | static void hidinput_led_worker(struct work_struct *work) |
1153 | { | |
1154 | struct hid_device *hid = container_of(work, struct hid_device, | |
1155 | led_work); | |
1156 | struct hid_field *field; | |
1157 | struct hid_report *report; | |
1158 | int len; | |
1159 | __u8 *buf; | |
1160 | ||
1161 | field = hidinput_get_led_field(hid); | |
1162 | if (!field) | |
1163 | return; | |
1164 | ||
1165 | /* | |
1166 | * field->report is accessed unlocked regarding HID core. So there might | |
1167 | * be another incoming SET-LED request from user-space, which changes | |
1168 | * the LED state while we assemble our outgoing buffer. However, this | |
1169 | * doesn't matter as hid_output_report() correctly converts it into a | |
1170 | * boolean value no matter what information is currently set on the LED | |
1171 | * field (even garbage). So the remote device will always get a valid | |
1172 | * request. | |
1173 | * And in case we send a wrong value, a next led worker is spawned | |
1174 | * for every SET-LED request so the following worker will send the | |
1175 | * correct value, guaranteed! | |
1176 | */ | |
1177 | ||
1178 | report = field->report; | |
1179 | ||
1180 | /* use custom SET_REPORT request if possible (asynchronous) */ | |
1181 | if (hid->ll_driver->request) | |
1182 | return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); | |
1183 | ||
1184 | /* fall back to generic raw-output-report */ | |
1185 | len = ((report->size - 1) >> 3) + 1 + (report->id > 0); | |
1186 | buf = kmalloc(len, GFP_KERNEL); | |
1187 | if (!buf) | |
1188 | return; | |
1189 | ||
1190 | hid_output_report(report, buf); | |
1191 | /* synchronous output report */ | |
1192 | hid->hid_output_raw_report(hid, buf, len, HID_OUTPUT_REPORT); | |
1193 | kfree(buf); | |
1194 | } | |
1195 | ||
1196 | static int hidinput_input_event(struct input_dev *dev, unsigned int type, | |
1197 | unsigned int code, int value) | |
1198 | { | |
1199 | struct hid_device *hid = input_get_drvdata(dev); | |
1200 | struct hid_field *field; | |
1201 | int offset; | |
1202 | ||
1203 | if (type == EV_FF) | |
1204 | return input_ff_event(dev, type, code, value); | |
1205 | ||
1206 | if (type != EV_LED) | |
1207 | return -1; | |
1208 | ||
1209 | if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { | |
1210 | hid_warn(dev, "event field not found\n"); | |
1211 | return -1; | |
1212 | } | |
1213 | ||
1214 | hid_set_field(field, offset, value); | |
1215 | ||
1216 | schedule_work(&hid->led_work); | |
1217 | return 0; | |
1218 | } | |
1219 | ||
7c379146 JK |
1220 | static int hidinput_open(struct input_dev *dev) |
1221 | { | |
e0712985 DT |
1222 | struct hid_device *hid = input_get_drvdata(dev); |
1223 | ||
5bea7660 | 1224 | return hid_hw_open(hid); |
7c379146 JK |
1225 | } |
1226 | ||
1227 | static void hidinput_close(struct input_dev *dev) | |
1228 | { | |
e0712985 DT |
1229 | struct hid_device *hid = input_get_drvdata(dev); |
1230 | ||
5bea7660 | 1231 | hid_hw_close(hid); |
7c379146 JK |
1232 | } |
1233 | ||
f635bd11 HR |
1234 | static void report_features(struct hid_device *hid) |
1235 | { | |
1236 | struct hid_driver *drv = hid->driver; | |
1237 | struct hid_report_enum *rep_enum; | |
1238 | struct hid_report *rep; | |
1239 | int i, j; | |
1240 | ||
f635bd11 HR |
1241 | rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; |
1242 | list_for_each_entry(rep, &rep_enum->report_list, list) | |
cc6b54aa BT |
1243 | for (i = 0; i < rep->maxfield; i++) { |
1244 | /* Ignore if report count is out of bounds. */ | |
1245 | if (rep->field[i]->report_count < 1) | |
1246 | continue; | |
1247 | ||
c5a92aa3 DN |
1248 | for (j = 0; j < rep->field[i]->maxusage; j++) { |
1249 | /* Verify if Battery Strength feature is available */ | |
2f2e3f6d | 1250 | hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]); |
c5a92aa3 DN |
1251 | |
1252 | if (drv->feature_mapping) | |
1253 | drv->feature_mapping(hid, rep->field[i], | |
1254 | rep->field[i]->usage + j); | |
1255 | } | |
cc6b54aa | 1256 | } |
f635bd11 HR |
1257 | } |
1258 | ||
ae751fa8 BT |
1259 | static struct hid_input *hidinput_allocate(struct hid_device *hid) |
1260 | { | |
1261 | struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); | |
1262 | struct input_dev *input_dev = input_allocate_device(); | |
1263 | if (!hidinput || !input_dev) { | |
1264 | kfree(hidinput); | |
1265 | input_free_device(input_dev); | |
1266 | hid_err(hid, "Out of memory during hid input probe\n"); | |
1267 | return NULL; | |
1268 | } | |
1269 | ||
1270 | input_set_drvdata(input_dev, hid); | |
50c9d75b DH |
1271 | if (hid->ll_driver->hidinput_input_event) |
1272 | input_dev->event = hid->ll_driver->hidinput_input_event; | |
1273 | else if (hid->ll_driver->request || hid->hid_output_raw_report) | |
1274 | input_dev->event = hidinput_input_event; | |
ae751fa8 BT |
1275 | input_dev->open = hidinput_open; |
1276 | input_dev->close = hidinput_close; | |
1277 | input_dev->setkeycode = hidinput_setkeycode; | |
1278 | input_dev->getkeycode = hidinput_getkeycode; | |
1279 | ||
1280 | input_dev->name = hid->name; | |
1281 | input_dev->phys = hid->phys; | |
1282 | input_dev->uniq = hid->uniq; | |
1283 | input_dev->id.bustype = hid->bus; | |
1284 | input_dev->id.vendor = hid->vendor; | |
1285 | input_dev->id.product = hid->product; | |
1286 | input_dev->id.version = hid->version; | |
1287 | input_dev->dev.parent = hid->dev.parent; | |
1288 | hidinput->input = input_dev; | |
1289 | list_add_tail(&hidinput->list, &hid->inputs); | |
1290 | ||
1291 | return hidinput; | |
1292 | } | |
1293 | ||
4f22decf BT |
1294 | static bool hidinput_has_been_populated(struct hid_input *hidinput) |
1295 | { | |
1296 | int i; | |
1297 | unsigned long r = 0; | |
1298 | ||
1299 | for (i = 0; i < BITS_TO_LONGS(EV_CNT); i++) | |
1300 | r |= hidinput->input->evbit[i]; | |
1301 | ||
1302 | for (i = 0; i < BITS_TO_LONGS(KEY_CNT); i++) | |
1303 | r |= hidinput->input->keybit[i]; | |
1304 | ||
1305 | for (i = 0; i < BITS_TO_LONGS(REL_CNT); i++) | |
1306 | r |= hidinput->input->relbit[i]; | |
1307 | ||
1308 | for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++) | |
1309 | r |= hidinput->input->absbit[i]; | |
1310 | ||
1311 | for (i = 0; i < BITS_TO_LONGS(MSC_CNT); i++) | |
1312 | r |= hidinput->input->mscbit[i]; | |
1313 | ||
1314 | for (i = 0; i < BITS_TO_LONGS(LED_CNT); i++) | |
1315 | r |= hidinput->input->ledbit[i]; | |
1316 | ||
1317 | for (i = 0; i < BITS_TO_LONGS(SND_CNT); i++) | |
1318 | r |= hidinput->input->sndbit[i]; | |
1319 | ||
1320 | for (i = 0; i < BITS_TO_LONGS(FF_CNT); i++) | |
1321 | r |= hidinput->input->ffbit[i]; | |
1322 | ||
1323 | for (i = 0; i < BITS_TO_LONGS(SW_CNT); i++) | |
1324 | r |= hidinput->input->swbit[i]; | |
1325 | ||
1326 | return !!r; | |
1327 | } | |
1328 | ||
1329 | static void hidinput_cleanup_hidinput(struct hid_device *hid, | |
1330 | struct hid_input *hidinput) | |
1331 | { | |
1332 | struct hid_report *report; | |
1333 | int i, k; | |
1334 | ||
1335 | list_del(&hidinput->list); | |
1336 | input_free_device(hidinput->input); | |
1337 | ||
1338 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
1339 | if (k == HID_OUTPUT_REPORT && | |
1340 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) | |
1341 | continue; | |
1342 | ||
1343 | list_for_each_entry(report, &hid->report_enum[k].report_list, | |
1344 | list) { | |
1345 | ||
1346 | for (i = 0; i < report->maxfield; i++) | |
1347 | if (report->field[i]->hidinput == hidinput) | |
1348 | report->field[i]->hidinput = NULL; | |
1349 | } | |
1350 | } | |
1351 | ||
1352 | kfree(hidinput); | |
1353 | } | |
1354 | ||
dde5845a JK |
1355 | /* |
1356 | * Register the input device; print a message. | |
1357 | * Configure the input layer interface | |
1358 | * Read all reports and initialize the absolute field values. | |
1359 | */ | |
1360 | ||
93c10132 | 1361 | int hidinput_connect(struct hid_device *hid, unsigned int force) |
dde5845a | 1362 | { |
9ebf3d76 | 1363 | struct hid_driver *drv = hid->driver; |
dde5845a JK |
1364 | struct hid_report *report; |
1365 | struct hid_input *hidinput = NULL; | |
dde5845a JK |
1366 | int i, j, k; |
1367 | ||
1368 | INIT_LIST_HEAD(&hid->inputs); | |
50c9d75b | 1369 | INIT_WORK(&hid->led_work, hidinput_led_worker); |
dde5845a | 1370 | |
93c10132 JS |
1371 | if (!force) { |
1372 | for (i = 0; i < hid->maxcollection; i++) { | |
1373 | struct hid_collection *col = &hid->collection[i]; | |
1374 | if (col->type == HID_COLLECTION_APPLICATION || | |
1375 | col->type == HID_COLLECTION_PHYSICAL) | |
1376 | if (IS_INPUT_APPLICATION(col->usage)) | |
1377 | break; | |
1378 | } | |
dde5845a | 1379 | |
93c10132 JS |
1380 | if (i == hid->maxcollection) |
1381 | return -1; | |
1382 | } | |
dde5845a | 1383 | |
f635bd11 HR |
1384 | report_features(hid); |
1385 | ||
1386 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
0d2689c0 BT |
1387 | if (k == HID_OUTPUT_REPORT && |
1388 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) | |
1389 | continue; | |
5556feae | 1390 | |
dde5845a JK |
1391 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { |
1392 | ||
1393 | if (!report->maxfield) | |
1394 | continue; | |
1395 | ||
1396 | if (!hidinput) { | |
ae751fa8 BT |
1397 | hidinput = hidinput_allocate(hid); |
1398 | if (!hidinput) | |
368d290b | 1399 | goto out_unwind; |
dde5845a JK |
1400 | } |
1401 | ||
1402 | for (i = 0; i < report->maxfield; i++) | |
1403 | for (j = 0; j < report->field[i]->maxusage; j++) | |
1404 | hidinput_configure_usage(hidinput, report->field[i], | |
1405 | report->field[i]->usage + j); | |
1406 | ||
4f22decf BT |
1407 | if ((hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) && |
1408 | !hidinput_has_been_populated(hidinput)) | |
1409 | continue; | |
1410 | ||
dde5845a JK |
1411 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) { |
1412 | /* This will leave hidinput NULL, so that it | |
1413 | * allocates another one if we have more inputs on | |
1414 | * the same interface. Some devices (e.g. Happ's | |
1415 | * UGCI) cram a lot of unrelated inputs into the | |
1416 | * same interface. */ | |
1417 | hidinput->report = report; | |
9ebf3d76 HR |
1418 | if (drv->input_configured) |
1419 | drv->input_configured(hid, hidinput); | |
368d290b DH |
1420 | if (input_register_device(hidinput->input)) |
1421 | goto out_cleanup; | |
dde5845a JK |
1422 | hidinput = NULL; |
1423 | } | |
1424 | } | |
0d2689c0 | 1425 | } |
dde5845a | 1426 | |
4f22decf BT |
1427 | if (hidinput && (hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) && |
1428 | !hidinput_has_been_populated(hidinput)) { | |
1429 | /* no need to register an input device not populated */ | |
1430 | hidinput_cleanup_hidinput(hid, hidinput); | |
1431 | hidinput = NULL; | |
1432 | } | |
1433 | ||
1434 | if (list_empty(&hid->inputs)) { | |
1435 | hid_err(hid, "No inputs registered, leaving\n"); | |
1436 | goto out_unwind; | |
1437 | } | |
1438 | ||
9ebf3d76 HR |
1439 | if (hidinput) { |
1440 | if (drv->input_configured) | |
1441 | drv->input_configured(hid, hidinput); | |
1442 | if (input_register_device(hidinput->input)) | |
1443 | goto out_cleanup; | |
1444 | } | |
dde5845a JK |
1445 | |
1446 | return 0; | |
368d290b DH |
1447 | |
1448 | out_cleanup: | |
d9236303 | 1449 | list_del(&hidinput->list); |
368d290b DH |
1450 | input_free_device(hidinput->input); |
1451 | kfree(hidinput); | |
1452 | out_unwind: | |
1453 | /* unwind the ones we already registered */ | |
1454 | hidinput_disconnect(hid); | |
1455 | ||
1456 | return -1; | |
dde5845a | 1457 | } |
229695e5 | 1458 | EXPORT_SYMBOL_GPL(hidinput_connect); |
dde5845a JK |
1459 | |
1460 | void hidinput_disconnect(struct hid_device *hid) | |
1461 | { | |
1462 | struct hid_input *hidinput, *next; | |
1463 | ||
4f5ca836 JF |
1464 | hidinput_cleanup_battery(hid); |
1465 | ||
dde5845a JK |
1466 | list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
1467 | list_del(&hidinput->list); | |
1468 | input_unregister_device(hidinput->input); | |
1469 | kfree(hidinput); | |
1470 | } | |
50c9d75b DH |
1471 | |
1472 | /* led_work is spawned by input_dev callbacks, but doesn't access the | |
1473 | * parent input_dev at all. Once all input devices are removed, we | |
1474 | * know that led_work will never get restarted, so we can cancel it | |
1475 | * synchronously and are safe. */ | |
1476 | cancel_work_sync(&hid->led_work); | |
dde5845a | 1477 | } |
229695e5 JK |
1478 | EXPORT_SYMBOL_GPL(hidinput_disconnect); |
1479 |