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 | ||
ad0e669b | 195 | |
4ea6e4ff NK |
196 | /** |
197 | * hidinput_calc_abs_res - calculate an absolute axis resolution | |
198 | * @field: the HID report field to calculate resolution for | |
199 | * @code: axis code | |
200 | * | |
201 | * The formula is: | |
202 | * (logical_maximum - logical_minimum) | |
203 | * resolution = ---------------------------------------------------------- | |
204 | * (physical_maximum - physical_minimum) * 10 ^ unit_exponent | |
205 | * | |
206 | * as seen in the HID specification v1.11 6.2.2.7 Global Items. | |
207 | * | |
83ed79c5 DT |
208 | * Only exponent 1 length units are processed. Centimeters and inches are |
209 | * converted to millimeters. Degrees are converted to radians. | |
4ea6e4ff | 210 | */ |
37cf6e6f | 211 | __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) |
4ea6e4ff NK |
212 | { |
213 | __s32 unit_exponent = field->unit_exponent; | |
214 | __s32 logical_extents = field->logical_maximum - | |
215 | field->logical_minimum; | |
216 | __s32 physical_extents = field->physical_maximum - | |
217 | field->physical_minimum; | |
218 | __s32 prev; | |
219 | ||
220 | /* Check if the extents are sane */ | |
221 | if (logical_extents <= 0 || physical_extents <= 0) | |
222 | return 0; | |
223 | ||
224 | /* | |
225 | * Verify and convert units. | |
226 | * See HID specification v1.11 6.2.2.7 Global Items for unit decoding | |
227 | */ | |
b73b2da0 NK |
228 | switch (code) { |
229 | case ABS_X: | |
230 | case ABS_Y: | |
231 | case ABS_Z: | |
37cf6e6f BT |
232 | case ABS_MT_POSITION_X: |
233 | case ABS_MT_POSITION_Y: | |
234 | case ABS_MT_TOOL_X: | |
235 | case ABS_MT_TOOL_Y: | |
236 | case ABS_MT_TOUCH_MAJOR: | |
237 | case ABS_MT_TOUCH_MINOR: | |
ad0e669b | 238 | if (field->unit == 0x11) { /* If centimeters */ |
83ed79c5 DT |
239 | /* Convert to millimeters */ |
240 | unit_exponent += 1; | |
ad0e669b | 241 | } else if (field->unit == 0x13) { /* If inches */ |
83ed79c5 DT |
242 | /* Convert to millimeters */ |
243 | prev = physical_extents; | |
244 | physical_extents *= 254; | |
245 | if (physical_extents < prev) | |
4ea6e4ff | 246 | return 0; |
83ed79c5 | 247 | unit_exponent -= 1; |
ad0e669b | 248 | } else { |
4ea6e4ff NK |
249 | return 0; |
250 | } | |
b73b2da0 NK |
251 | break; |
252 | ||
253 | case ABS_RX: | |
254 | case ABS_RY: | |
255 | case ABS_RZ: | |
c0bf5741 | 256 | case ABS_WHEEL: |
b73b2da0 NK |
257 | case ABS_TILT_X: |
258 | case ABS_TILT_Y: | |
4ea6e4ff NK |
259 | if (field->unit == 0x14) { /* If degrees */ |
260 | /* Convert to radians */ | |
261 | prev = logical_extents; | |
262 | logical_extents *= 573; | |
263 | if (logical_extents < prev) | |
264 | return 0; | |
265 | unit_exponent += 1; | |
266 | } else if (field->unit != 0x12) { /* If not radians */ | |
267 | return 0; | |
268 | } | |
b73b2da0 NK |
269 | break; |
270 | ||
271 | default: | |
4ea6e4ff NK |
272 | return 0; |
273 | } | |
274 | ||
275 | /* Apply negative unit exponent */ | |
276 | for (; unit_exponent < 0; unit_exponent++) { | |
277 | prev = logical_extents; | |
278 | logical_extents *= 10; | |
279 | if (logical_extents < prev) | |
280 | return 0; | |
281 | } | |
282 | /* Apply positive unit exponent */ | |
283 | for (; unit_exponent > 0; unit_exponent--) { | |
284 | prev = physical_extents; | |
285 | physical_extents *= 10; | |
286 | if (physical_extents < prev) | |
287 | return 0; | |
288 | } | |
289 | ||
290 | /* Calculate resolution */ | |
ccdd6994 | 291 | return DIV_ROUND_CLOSEST(logical_extents, physical_extents); |
4ea6e4ff | 292 | } |
37cf6e6f | 293 | EXPORT_SYMBOL_GPL(hidinput_calc_abs_res); |
4ea6e4ff | 294 | |
4f5ca836 JF |
295 | #ifdef CONFIG_HID_BATTERY_STRENGTH |
296 | static enum power_supply_property hidinput_battery_props[] = { | |
297 | POWER_SUPPLY_PROP_PRESENT, | |
298 | POWER_SUPPLY_PROP_ONLINE, | |
299 | POWER_SUPPLY_PROP_CAPACITY, | |
300 | POWER_SUPPLY_PROP_MODEL_NAME, | |
45d9c273 JF |
301 | POWER_SUPPLY_PROP_STATUS, |
302 | POWER_SUPPLY_PROP_SCOPE, | |
4f5ca836 JF |
303 | }; |
304 | ||
bbc21cfd | 305 | #define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */ |
652aa6a9 | 306 | #define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */ |
5d9374cf | 307 | #define HID_BATTERY_QUIRK_IGNORE (1 << 2) /* completely ignore the battery */ |
bbc21cfd JF |
308 | |
309 | static const struct hid_device_id hid_battery_quirks[] = { | |
4cc85417 | 310 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
cbd366be RS |
311 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), |
312 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
313 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, | |
314 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), | |
315 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
652aa6a9 | 316 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
cbd366be | 317 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), |
652aa6a9 | 318 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, |
da940db4 KR |
319 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
320 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO), | |
321 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
0c47935c DN |
322 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
323 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), | |
324 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
5d9374cf AP |
325 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, |
326 | USB_DEVICE_ID_ELECOM_BM084), | |
327 | HID_BATTERY_QUIRK_IGNORE }, | |
bbc21cfd JF |
328 | {} |
329 | }; | |
330 | ||
331 | static unsigned find_battery_quirk(struct hid_device *hdev) | |
332 | { | |
333 | unsigned quirks = 0; | |
334 | const struct hid_device_id *match; | |
335 | ||
336 | match = hid_match_id(hdev, hid_battery_quirks); | |
337 | if (match != NULL) | |
338 | quirks = match->driver_data; | |
339 | ||
340 | return quirks; | |
341 | } | |
342 | ||
581c4484 DT |
343 | static int hidinput_scale_battery_capacity(struct hid_device *dev, |
344 | int value) | |
345 | { | |
346 | if (dev->battery_min < dev->battery_max && | |
347 | value >= dev->battery_min && value <= dev->battery_max) | |
348 | value = ((value - dev->battery_min) * 100) / | |
349 | (dev->battery_max - dev->battery_min); | |
350 | ||
351 | return value; | |
352 | } | |
353 | ||
354 | static int hidinput_query_battery_capacity(struct hid_device *dev) | |
355 | { | |
356 | u8 *buf; | |
357 | int ret; | |
358 | ||
359 | buf = kmalloc(2, GFP_KERNEL); | |
360 | if (!buf) | |
361 | return -ENOMEM; | |
362 | ||
363 | ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2, | |
364 | dev->battery_report_type, HID_REQ_GET_REPORT); | |
365 | if (ret != 2) { | |
366 | kfree(buf); | |
367 | return -ENODATA; | |
368 | } | |
369 | ||
370 | ret = hidinput_scale_battery_capacity(dev, buf[1]); | |
371 | kfree(buf); | |
372 | return ret; | |
373 | } | |
374 | ||
4f5ca836 JF |
375 | static int hidinput_get_battery_property(struct power_supply *psy, |
376 | enum power_supply_property prop, | |
377 | union power_supply_propval *val) | |
378 | { | |
297d716f | 379 | struct hid_device *dev = power_supply_get_drvdata(psy); |
581c4484 | 380 | int value; |
4f5ca836 JF |
381 | int ret = 0; |
382 | ||
383 | switch (prop) { | |
384 | case POWER_SUPPLY_PROP_PRESENT: | |
385 | case POWER_SUPPLY_PROP_ONLINE: | |
386 | val->intval = 1; | |
387 | break; | |
388 | ||
389 | case POWER_SUPPLY_PROP_CAPACITY: | |
581c4484 DT |
390 | if (dev->battery_report_type == HID_FEATURE_REPORT) { |
391 | value = hidinput_query_battery_capacity(dev); | |
392 | if (value < 0) | |
393 | return value; | |
394 | } else { | |
395 | value = dev->battery_capacity; | |
c5a92aa3 DN |
396 | } |
397 | ||
581c4484 | 398 | val->intval = value; |
4f5ca836 JF |
399 | break; |
400 | ||
401 | case POWER_SUPPLY_PROP_MODEL_NAME: | |
402 | val->strval = dev->name; | |
403 | break; | |
404 | ||
c5a92aa3 | 405 | case POWER_SUPPLY_PROP_STATUS: |
581c4484 DT |
406 | if (!dev->battery_reported && |
407 | dev->battery_report_type == HID_FEATURE_REPORT) { | |
408 | value = hidinput_query_battery_capacity(dev); | |
409 | if (value < 0) | |
410 | return value; | |
411 | ||
412 | dev->battery_capacity = value; | |
413 | dev->battery_reported = true; | |
414 | } | |
415 | ||
416 | if (!dev->battery_reported) | |
417 | val->intval = POWER_SUPPLY_STATUS_UNKNOWN; | |
418 | else if (dev->battery_capacity == 100) | |
419 | val->intval = POWER_SUPPLY_STATUS_FULL; | |
420 | else | |
421 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | |
c5a92aa3 DN |
422 | break; |
423 | ||
45d9c273 JF |
424 | case POWER_SUPPLY_PROP_SCOPE: |
425 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
426 | break; | |
427 | ||
4f5ca836 JF |
428 | default: |
429 | ret = -EINVAL; | |
430 | break; | |
431 | } | |
432 | ||
433 | return ret; | |
434 | } | |
435 | ||
581c4484 | 436 | static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field) |
4f5ca836 | 437 | { |
581c4484 | 438 | struct power_supply_desc *psy_desc; |
297d716f | 439 | struct power_supply_config psy_cfg = { .drv_data = dev, }; |
bbc21cfd | 440 | unsigned quirks; |
2f2e3f6d | 441 | s32 min, max; |
581c4484 | 442 | int error; |
2f2e3f6d | 443 | |
581c4484 DT |
444 | if (dev->battery) |
445 | return 0; /* already initialized? */ | |
4f5ca836 | 446 | |
5d9374cf AP |
447 | quirks = find_battery_quirk(dev); |
448 | ||
449 | hid_dbg(dev, "device %x:%x:%x %d quirks %d\n", | |
450 | dev->bus, dev->vendor, dev->product, dev->version, quirks); | |
451 | ||
452 | if (quirks & HID_BATTERY_QUIRK_IGNORE) | |
581c4484 | 453 | return 0; |
5d9374cf | 454 | |
297d716f | 455 | psy_desc = kzalloc(sizeof(*psy_desc), GFP_KERNEL); |
581c4484 DT |
456 | if (!psy_desc) |
457 | return -ENOMEM; | |
4f5ca836 | 458 | |
09223865 DT |
459 | psy_desc->name = kasprintf(GFP_KERNEL, "hid-%s-battery", |
460 | strlen(dev->uniq) ? | |
461 | dev->uniq : dev_name(&dev->dev)); | |
581c4484 DT |
462 | if (!psy_desc->name) { |
463 | error = -ENOMEM; | |
464 | goto err_free_mem; | |
297d716f KK |
465 | } |
466 | ||
467 | psy_desc->type = POWER_SUPPLY_TYPE_BATTERY; | |
468 | psy_desc->properties = hidinput_battery_props; | |
469 | psy_desc->num_properties = ARRAY_SIZE(hidinput_battery_props); | |
470 | psy_desc->use_for_apm = 0; | |
471 | psy_desc->get_property = hidinput_get_battery_property; | |
4f5ca836 | 472 | |
2f2e3f6d JF |
473 | min = field->logical_minimum; |
474 | max = field->logical_maximum; | |
475 | ||
bbc21cfd JF |
476 | if (quirks & HID_BATTERY_QUIRK_PERCENT) { |
477 | min = 0; | |
478 | max = 100; | |
479 | } | |
480 | ||
652aa6a9 JF |
481 | if (quirks & HID_BATTERY_QUIRK_FEATURE) |
482 | report_type = HID_FEATURE_REPORT; | |
483 | ||
4f5ca836 JF |
484 | dev->battery_min = min; |
485 | dev->battery_max = max; | |
fb8ac91b | 486 | dev->battery_report_type = report_type; |
2f2e3f6d | 487 | dev->battery_report_id = field->report->id; |
4f5ca836 | 488 | |
297d716f KK |
489 | dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg); |
490 | if (IS_ERR(dev->battery)) { | |
581c4484 DT |
491 | error = PTR_ERR(dev->battery); |
492 | hid_warn(dev, "can't register power supply: %d\n", error); | |
493 | goto err_free_name; | |
4f5ca836 | 494 | } |
2f2e3f6d | 495 | |
581c4484 DT |
496 | power_supply_powers(dev->battery, &dev->dev); |
497 | return 0; | |
498 | ||
499 | err_free_name: | |
500 | kfree(psy_desc->name); | |
501 | err_free_mem: | |
502 | kfree(psy_desc); | |
503 | dev->battery = NULL; | |
504 | return error; | |
4f5ca836 JF |
505 | } |
506 | ||
507 | static void hidinput_cleanup_battery(struct hid_device *dev) | |
508 | { | |
0621809e KK |
509 | const struct power_supply_desc *psy_desc; |
510 | ||
297d716f | 511 | if (!dev->battery) |
4f5ca836 JF |
512 | return; |
513 | ||
0621809e | 514 | psy_desc = dev->battery->desc; |
297d716f | 515 | power_supply_unregister(dev->battery); |
0621809e KK |
516 | kfree(psy_desc->name); |
517 | kfree(psy_desc); | |
297d716f | 518 | dev->battery = NULL; |
4f5ca836 | 519 | } |
581c4484 DT |
520 | |
521 | static void hidinput_update_battery(struct hid_device *dev, int value) | |
522 | { | |
0152b29c DT |
523 | int capacity; |
524 | ||
581c4484 DT |
525 | if (!dev->battery) |
526 | return; | |
527 | ||
528 | if (value == 0 || value < dev->battery_min || value > dev->battery_max) | |
529 | return; | |
530 | ||
0152b29c DT |
531 | capacity = hidinput_scale_battery_capacity(dev, value); |
532 | ||
533 | if (!dev->battery_reported || capacity != dev->battery_capacity) { | |
534 | dev->battery_capacity = capacity; | |
535 | dev->battery_reported = true; | |
536 | power_supply_changed(dev->battery); | |
537 | } | |
581c4484 | 538 | } |
4f5ca836 | 539 | #else /* !CONFIG_HID_BATTERY_STRENGTH */ |
581c4484 DT |
540 | static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type, |
541 | struct hid_field *field) | |
4f5ca836 | 542 | { |
581c4484 | 543 | return 0; |
4f5ca836 JF |
544 | } |
545 | ||
546 | static void hidinput_cleanup_battery(struct hid_device *dev) | |
547 | { | |
548 | } | |
581c4484 DT |
549 | |
550 | static void hidinput_update_battery(struct hid_device *dev, int value) | |
551 | { | |
552 | } | |
4f5ca836 JF |
553 | #endif /* CONFIG_HID_BATTERY_STRENGTH */ |
554 | ||
dde5845a JK |
555 | static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, |
556 | struct hid_usage *usage) | |
557 | { | |
558 | struct input_dev *input = hidinput->input; | |
e0712985 | 559 | struct hid_device *device = input_get_drvdata(input); |
3715ade9 | 560 | int max = 0, code; |
dde5845a JK |
561 | unsigned long *bit = NULL; |
562 | ||
563 | field->hidinput = hidinput; | |
564 | ||
dde5845a JK |
565 | if (field->flags & HID_MAIN_ITEM_CONSTANT) |
566 | goto ignore; | |
567 | ||
cc6b54aa BT |
568 | /* Ignore if report count is out of bounds. */ |
569 | if (field->report_count < 1) | |
570 | goto ignore; | |
571 | ||
82eb1219 JK |
572 | /* only LED usages are supported in output fields */ |
573 | if (field->report_type == HID_OUTPUT_REPORT && | |
574 | (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { | |
82eb1219 JK |
575 | goto ignore; |
576 | } | |
577 | ||
c500c971 JS |
578 | if (device->driver->input_mapping) { |
579 | int ret = device->driver->input_mapping(device, hidinput, field, | |
580 | usage, &bit, &max); | |
581 | if (ret > 0) | |
582 | goto mapped; | |
583 | if (ret < 0) | |
584 | goto ignore; | |
585 | } | |
586 | ||
dde5845a | 587 | switch (usage->hid & HID_USAGE_PAGE) { |
880d29f1 JS |
588 | case HID_UP_UNDEFINED: |
589 | goto ignore; | |
dde5845a | 590 | |
880d29f1 JS |
591 | case HID_UP_KEYBOARD: |
592 | set_bit(EV_REP, input->evbit); | |
dde5845a | 593 | |
880d29f1 JS |
594 | if ((usage->hid & HID_USAGE) < 256) { |
595 | if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; | |
596 | map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); | |
597 | } else | |
598 | map_key(KEY_UNKNOWN); | |
dde5845a | 599 | |
880d29f1 | 600 | break; |
dde5845a | 601 | |
880d29f1 | 602 | case HID_UP_BUTTON: |
7f978b9b | 603 | code = ((usage->hid - 1) & HID_USAGE); |
dde5845a | 604 | |
880d29f1 JS |
605 | switch (field->application) { |
606 | case HID_GD_MOUSE: | |
1874542d | 607 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
cf2f765f | 608 | case HID_GD_JOYSTICK: |
fc99f22c DM |
609 | if (code <= 0xf) |
610 | code += BTN_JOYSTICK; | |
611 | else | |
f8e86d05 IR |
612 | code += BTN_TRIGGER_HAPPY - 0x10; |
613 | break; | |
614 | case HID_GD_GAMEPAD: | |
615 | if (code <= 0xf) | |
616 | code += BTN_GAMEPAD; | |
617 | else | |
618 | code += BTN_TRIGGER_HAPPY - 0x10; | |
fc99f22c | 619 | break; |
880d29f1 JS |
620 | default: |
621 | switch (field->physical) { | |
622 | case HID_GD_MOUSE: | |
1874542d FF |
623 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
624 | case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break; | |
625 | case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; | |
626 | default: code += BTN_MISC; | |
dde5845a | 627 | } |
880d29f1 | 628 | } |
dde5845a | 629 | |
880d29f1 JS |
630 | map_key(code); |
631 | break; | |
632 | ||
633 | case HID_UP_SIMULATION: | |
634 | switch (usage->hid & 0xffff) { | |
635 | case 0xba: map_abs(ABS_RUDDER); break; | |
636 | case 0xbb: map_abs(ABS_THROTTLE); break; | |
637 | case 0xc4: map_abs(ABS_GAS); break; | |
638 | case 0xc5: map_abs(ABS_BRAKE); break; | |
639 | case 0xc8: map_abs(ABS_WHEEL); break; | |
640 | default: goto ignore; | |
641 | } | |
642 | break; | |
643 | ||
644 | case HID_UP_GENDESK: | |
645 | if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ | |
646 | switch (usage->hid & 0xf) { | |
647 | case 0x1: map_key_clear(KEY_POWER); break; | |
648 | case 0x2: map_key_clear(KEY_SLEEP); break; | |
649 | case 0x3: map_key_clear(KEY_WAKEUP); break; | |
437f3b19 JW |
650 | case 0x4: map_key_clear(KEY_CONTEXT_MENU); break; |
651 | case 0x5: map_key_clear(KEY_MENU); break; | |
652 | case 0x6: map_key_clear(KEY_PROG1); break; | |
653 | case 0x7: map_key_clear(KEY_HELP); break; | |
654 | case 0x8: map_key_clear(KEY_EXIT); break; | |
655 | case 0x9: map_key_clear(KEY_SELECT); break; | |
656 | case 0xa: map_key_clear(KEY_RIGHT); break; | |
657 | case 0xb: map_key_clear(KEY_LEFT); break; | |
658 | case 0xc: map_key_clear(KEY_UP); break; | |
659 | case 0xd: map_key_clear(KEY_DOWN); break; | |
660 | case 0xe: map_key_clear(KEY_POWER2); break; | |
661 | case 0xf: map_key_clear(KEY_RESTART); break; | |
880d29f1 | 662 | default: goto unknown; |
dde5845a JK |
663 | } |
664 | break; | |
880d29f1 | 665 | } |
dde5845a | 666 | |
1989dada BT |
667 | /* |
668 | * Some lazy vendors declare 255 usages for System Control, | |
669 | * leading to the creation of ABS_X|Y axis and too many others. | |
670 | * It wouldn't be a problem if joydev doesn't consider the | |
671 | * device as a joystick then. | |
672 | */ | |
673 | if (field->application == HID_GD_SYSTEM_CONTROL) | |
674 | goto ignore; | |
675 | ||
880d29f1 | 676 | if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ |
dde5845a | 677 | switch (usage->hid) { |
880d29f1 JS |
678 | case HID_GD_UP: usage->hat_dir = 1; break; |
679 | case HID_GD_DOWN: usage->hat_dir = 5; break; | |
680 | case HID_GD_RIGHT: usage->hat_dir = 3; break; | |
681 | case HID_GD_LEFT: usage->hat_dir = 7; break; | |
682 | default: goto unknown; | |
dde5845a | 683 | } |
880d29f1 JS |
684 | if (field->dpad) { |
685 | map_abs(field->dpad); | |
686 | goto ignore; | |
d4ae650a | 687 | } |
880d29f1 | 688 | map_abs(ABS_HAT0X); |
dde5845a | 689 | break; |
880d29f1 | 690 | } |
dde5845a | 691 | |
880d29f1 JS |
692 | switch (usage->hid) { |
693 | /* These usage IDs map directly to the usage codes. */ | |
694 | case HID_GD_X: case HID_GD_Y: case HID_GD_Z: | |
695 | case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: | |
79346d62 BT |
696 | if (field->flags & HID_MAIN_ITEM_RELATIVE) |
697 | map_rel(usage->hid & 0xf); | |
698 | else | |
699 | map_abs_clear(usage->hid & 0xf); | |
700 | break; | |
701 | ||
880d29f1 JS |
702 | case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: |
703 | if (field->flags & HID_MAIN_ITEM_RELATIVE) | |
704 | map_rel(usage->hid & 0xf); | |
705 | else | |
706 | map_abs(usage->hid & 0xf); | |
707 | break; | |
dde5845a | 708 | |
880d29f1 JS |
709 | case HID_GD_HATSWITCH: |
710 | usage->hat_min = field->logical_minimum; | |
711 | usage->hat_max = field->logical_maximum; | |
712 | map_abs(ABS_HAT0X); | |
713 | break; | |
dde5845a | 714 | |
880d29f1 JS |
715 | case HID_GD_START: map_key_clear(BTN_START); break; |
716 | case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; | |
dde5845a | 717 | |
61df56be HG |
718 | case HID_GD_RFKILL_BTN: |
719 | /* MS wireless radio ctl extension, also check CA */ | |
6e7edabf | 720 | if (field->application == HID_GD_WIRELESS_RADIO_CTLS) { |
61df56be HG |
721 | map_key_clear(KEY_RFKILL); |
722 | /* We need to simulate the btn release */ | |
723 | field->flags |= HID_MAIN_ITEM_RELATIVE; | |
724 | break; | |
725 | } | |
726 | ||
880d29f1 JS |
727 | default: goto unknown; |
728 | } | |
dde5845a | 729 | |
880d29f1 JS |
730 | break; |
731 | ||
732 | case HID_UP_LED: | |
733 | switch (usage->hid & 0xffff) { /* HID-Value: */ | |
734 | case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ | |
735 | case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ | |
736 | case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ | |
737 | case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ | |
738 | case 0x05: map_led (LED_KANA); break; /* "Kana" */ | |
739 | case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ | |
740 | case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ | |
741 | case 0x09: map_led (LED_MUTE); break; /* "Mute" */ | |
742 | case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ | |
743 | case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ | |
744 | case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ | |
745 | ||
746 | default: goto ignore; | |
747 | } | |
748 | break; | |
749 | ||
750 | case HID_UP_DIGITIZER: | |
751 | switch (usage->hid & 0xff) { | |
8c8b01c3 FB |
752 | case 0x00: /* Undefined */ |
753 | goto ignore; | |
754 | ||
880d29f1 JS |
755 | case 0x30: /* TipPressure */ |
756 | if (!test_bit(BTN_TOUCH, input->keybit)) { | |
757 | device->quirks |= HID_QUIRK_NOTOUCH; | |
758 | set_bit(EV_KEY, input->evbit); | |
759 | set_bit(BTN_TOUCH, input->keybit); | |
dde5845a | 760 | } |
880d29f1 | 761 | map_abs_clear(ABS_PRESSURE); |
dde5845a JK |
762 | break; |
763 | ||
880d29f1 JS |
764 | case 0x32: /* InRange */ |
765 | switch (field->physical & 0xff) { | |
766 | case 0x21: map_key(BTN_TOOL_MOUSE); break; | |
767 | case 0x22: map_key(BTN_TOOL_FINGER); break; | |
768 | default: map_key(BTN_TOOL_PEN); break; | |
dde5845a JK |
769 | } |
770 | break; | |
771 | ||
581c4484 DT |
772 | case 0x3b: /* Battery Strength */ |
773 | hidinput_setup_battery(device, HID_INPUT_REPORT, field); | |
774 | usage->type = EV_PWR; | |
775 | goto ignore; | |
776 | ||
880d29f1 JS |
777 | case 0x3c: /* Invert */ |
778 | map_key_clear(BTN_TOOL_RUBBER); | |
dde5845a JK |
779 | break; |
780 | ||
b73b2da0 NK |
781 | case 0x3d: /* X Tilt */ |
782 | map_abs_clear(ABS_TILT_X); | |
783 | break; | |
784 | ||
785 | case 0x3e: /* Y Tilt */ | |
786 | map_abs_clear(ABS_TILT_Y); | |
787 | break; | |
788 | ||
880d29f1 JS |
789 | case 0x33: /* Touch */ |
790 | case 0x42: /* TipSwitch */ | |
791 | case 0x43: /* TipSwitch2 */ | |
792 | device->quirks &= ~HID_QUIRK_NOTOUCH; | |
793 | map_key_clear(BTN_TOUCH); | |
794 | break; | |
dde5845a | 795 | |
880d29f1 JS |
796 | case 0x44: /* BarrelSwitch */ |
797 | map_key_clear(BTN_STYLUS); | |
798 | break; | |
dde5845a | 799 | |
654c192a PC |
800 | case 0x45: /* ERASER */ |
801 | /* | |
802 | * This event is reported when eraser tip touches the surface. | |
803 | * Actual eraser (BTN_TOOL_RUBBER) is set by Invert usage when | |
804 | * tool gets in proximity. | |
805 | */ | |
806 | map_key_clear(BTN_TOUCH); | |
807 | break; | |
808 | ||
50b63697 | 809 | case 0x46: /* TabletPick */ |
368c9664 | 810 | case 0x5a: /* SecondaryBarrelSwitch */ |
50b63697 NK |
811 | map_key_clear(BTN_STYLUS2); |
812 | break; | |
813 | ||
368c9664 | 814 | case 0x5b: /* TransducerSerialNumber */ |
5989a55a JG |
815 | usage->type = EV_MSC; |
816 | usage->code = MSC_SERIAL; | |
817 | bit = input->mscbit; | |
818 | max = MSC_MAX; | |
368c9664 PC |
819 | break; |
820 | ||
880d29f1 JS |
821 | default: goto unknown; |
822 | } | |
823 | break; | |
824 | ||
f3dddf24 DT |
825 | case HID_UP_TELEPHONY: |
826 | switch (usage->hid & HID_USAGE) { | |
827 | case 0x2f: map_key_clear(KEY_MICMUTE); break; | |
828 | case 0xb0: map_key_clear(KEY_NUMERIC_0); break; | |
829 | case 0xb1: map_key_clear(KEY_NUMERIC_1); break; | |
830 | case 0xb2: map_key_clear(KEY_NUMERIC_2); break; | |
831 | case 0xb3: map_key_clear(KEY_NUMERIC_3); break; | |
832 | case 0xb4: map_key_clear(KEY_NUMERIC_4); break; | |
833 | case 0xb5: map_key_clear(KEY_NUMERIC_5); break; | |
834 | case 0xb6: map_key_clear(KEY_NUMERIC_6); break; | |
835 | case 0xb7: map_key_clear(KEY_NUMERIC_7); break; | |
836 | case 0xb8: map_key_clear(KEY_NUMERIC_8); break; | |
837 | case 0xb9: map_key_clear(KEY_NUMERIC_9); break; | |
838 | case 0xba: map_key_clear(KEY_NUMERIC_STAR); break; | |
839 | case 0xbb: map_key_clear(KEY_NUMERIC_POUND); break; | |
840 | case 0xbc: map_key_clear(KEY_NUMERIC_A); break; | |
841 | case 0xbd: map_key_clear(KEY_NUMERIC_B); break; | |
842 | case 0xbe: map_key_clear(KEY_NUMERIC_C); break; | |
843 | case 0xbf: map_key_clear(KEY_NUMERIC_D); break; | |
844 | default: goto ignore; | |
845 | } | |
846 | break; | |
847 | ||
437f3b19 | 848 | case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ |
880d29f1 JS |
849 | switch (usage->hid & HID_USAGE) { |
850 | case 0x000: goto ignore; | |
437f3b19 JW |
851 | case 0x030: map_key_clear(KEY_POWER); break; |
852 | case 0x031: map_key_clear(KEY_RESTART); break; | |
853 | case 0x032: map_key_clear(KEY_SLEEP); break; | |
880d29f1 | 854 | case 0x034: map_key_clear(KEY_SLEEP); break; |
437f3b19 | 855 | case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break; |
880d29f1 JS |
856 | case 0x036: map_key_clear(BTN_MISC); break; |
857 | ||
437f3b19 JW |
858 | case 0x040: map_key_clear(KEY_MENU); break; /* Menu */ |
859 | case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */ | |
860 | case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */ | |
861 | case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */ | |
862 | case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */ | |
863 | case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */ | |
864 | case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */ | |
865 | case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ | |
866 | case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ | |
867 | ||
868 | case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */ | |
869 | case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */ | |
870 | case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */ | |
871 | case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */ | |
872 | case 0x069: map_key_clear(KEY_RED); break; | |
873 | case 0x06a: map_key_clear(KEY_GREEN); break; | |
874 | case 0x06b: map_key_clear(KEY_BLUE); break; | |
875 | case 0x06c: map_key_clear(KEY_YELLOW); break; | |
876 | case 0x06d: map_key_clear(KEY_ZOOM); break; | |
877 | ||
f362e690 OG |
878 | case 0x06f: map_key_clear(KEY_BRIGHTNESSUP); break; |
879 | case 0x070: map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
880 | case 0x072: map_key_clear(KEY_BRIGHTNESS_TOGGLE); break; | |
881 | case 0x073: map_key_clear(KEY_BRIGHTNESS_MIN); break; | |
882 | case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break; | |
883 | case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break; | |
884 | ||
437f3b19 | 885 | case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; |
880d29f1 | 886 | case 0x083: map_key_clear(KEY_LAST); break; |
437f3b19 | 887 | case 0x084: map_key_clear(KEY_ENTER); break; |
880d29f1 JS |
888 | case 0x088: map_key_clear(KEY_PC); break; |
889 | case 0x089: map_key_clear(KEY_TV); break; | |
890 | case 0x08a: map_key_clear(KEY_WWW); break; | |
891 | case 0x08b: map_key_clear(KEY_DVD); break; | |
892 | case 0x08c: map_key_clear(KEY_PHONE); break; | |
893 | case 0x08d: map_key_clear(KEY_PROGRAM); break; | |
894 | case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; | |
895 | case 0x08f: map_key_clear(KEY_GAMES); break; | |
896 | case 0x090: map_key_clear(KEY_MEMO); break; | |
897 | case 0x091: map_key_clear(KEY_CD); break; | |
898 | case 0x092: map_key_clear(KEY_VCR); break; | |
899 | case 0x093: map_key_clear(KEY_TUNER); break; | |
900 | case 0x094: map_key_clear(KEY_EXIT); break; | |
901 | case 0x095: map_key_clear(KEY_HELP); break; | |
902 | case 0x096: map_key_clear(KEY_TAPE); break; | |
903 | case 0x097: map_key_clear(KEY_TV2); break; | |
904 | case 0x098: map_key_clear(KEY_SAT); break; | |
905 | case 0x09a: map_key_clear(KEY_PVR); break; | |
906 | ||
907 | case 0x09c: map_key_clear(KEY_CHANNELUP); break; | |
908 | case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; | |
909 | case 0x0a0: map_key_clear(KEY_VCR2); break; | |
910 | ||
911 | case 0x0b0: map_key_clear(KEY_PLAY); break; | |
912 | case 0x0b1: map_key_clear(KEY_PAUSE); break; | |
913 | case 0x0b2: map_key_clear(KEY_RECORD); break; | |
914 | case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; | |
915 | case 0x0b4: map_key_clear(KEY_REWIND); break; | |
916 | case 0x0b5: map_key_clear(KEY_NEXTSONG); break; | |
917 | case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; | |
918 | case 0x0b7: map_key_clear(KEY_STOPCD); break; | |
919 | case 0x0b8: map_key_clear(KEY_EJECTCD); break; | |
920 | case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; | |
437f3b19 JW |
921 | case 0x0b9: map_key_clear(KEY_SHUFFLE); break; |
922 | case 0x0bf: map_key_clear(KEY_SLOW); break; | |
880d29f1 JS |
923 | |
924 | case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; | |
f362e690 | 925 | case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break; |
880d29f1 JS |
926 | case 0x0e0: map_abs_clear(ABS_VOLUME); break; |
927 | case 0x0e2: map_key_clear(KEY_MUTE); break; | |
928 | case 0x0e5: map_key_clear(KEY_BASSBOOST); break; | |
929 | case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; | |
930 | case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; | |
437f3b19 | 931 | case 0x0f5: map_key_clear(KEY_SLOW); break; |
880d29f1 | 932 | |
f362e690 | 933 | case 0x181: map_key_clear(KEY_BUTTONCONFIG); break; |
880d29f1 JS |
934 | case 0x182: map_key_clear(KEY_BOOKMARKS); break; |
935 | case 0x183: map_key_clear(KEY_CONFIG); break; | |
936 | case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; | |
937 | case 0x185: map_key_clear(KEY_EDITOR); break; | |
938 | case 0x186: map_key_clear(KEY_SPREADSHEET); break; | |
939 | case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; | |
940 | case 0x188: map_key_clear(KEY_PRESENTATION); break; | |
941 | case 0x189: map_key_clear(KEY_DATABASE); break; | |
942 | case 0x18a: map_key_clear(KEY_MAIL); break; | |
943 | case 0x18b: map_key_clear(KEY_NEWS); break; | |
944 | case 0x18c: map_key_clear(KEY_VOICEMAIL); break; | |
945 | case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; | |
946 | case 0x18e: map_key_clear(KEY_CALENDAR); break; | |
f362e690 OG |
947 | case 0x18f: map_key_clear(KEY_TASKMANAGER); break; |
948 | case 0x190: map_key_clear(KEY_JOURNAL); break; | |
880d29f1 JS |
949 | case 0x191: map_key_clear(KEY_FINANCE); break; |
950 | case 0x192: map_key_clear(KEY_CALC); break; | |
437f3b19 | 951 | case 0x193: map_key_clear(KEY_PLAYER); break; |
880d29f1 JS |
952 | case 0x194: map_key_clear(KEY_FILE); break; |
953 | case 0x196: map_key_clear(KEY_WWW); break; | |
0690535d | 954 | case 0x199: map_key_clear(KEY_CHAT); break; |
880d29f1 JS |
955 | case 0x19c: map_key_clear(KEY_LOGOFF); break; |
956 | case 0x19e: map_key_clear(KEY_COFFEE); break; | |
f362e690 OG |
957 | case 0x19f: map_key_clear(KEY_CONTROLPANEL); break; |
958 | case 0x1a2: map_key_clear(KEY_APPSELECT); break; | |
5820e4d4 HG |
959 | case 0x1a3: map_key_clear(KEY_NEXT); break; |
960 | case 0x1a4: map_key_clear(KEY_PREVIOUS); break; | |
880d29f1 JS |
961 | case 0x1a6: map_key_clear(KEY_HELP); break; |
962 | case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; | |
963 | case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; | |
437f3b19 | 964 | case 0x1ae: map_key_clear(KEY_KEYBOARD); break; |
f362e690 | 965 | case 0x1b1: map_key_clear(KEY_SCREENSAVER); break; |
5820e4d4 | 966 | case 0x1b4: map_key_clear(KEY_FILE); break; |
437f3b19 JW |
967 | case 0x1b6: map_key_clear(KEY_IMAGES); break; |
968 | case 0x1b7: map_key_clear(KEY_AUDIO); break; | |
969 | case 0x1b8: map_key_clear(KEY_VIDEO); break; | |
880d29f1 JS |
970 | case 0x1bc: map_key_clear(KEY_MESSENGER); break; |
971 | case 0x1bd: map_key_clear(KEY_INFO); break; | |
972 | case 0x201: map_key_clear(KEY_NEW); break; | |
973 | case 0x202: map_key_clear(KEY_OPEN); break; | |
974 | case 0x203: map_key_clear(KEY_CLOSE); break; | |
975 | case 0x204: map_key_clear(KEY_EXIT); break; | |
976 | case 0x207: map_key_clear(KEY_SAVE); break; | |
977 | case 0x208: map_key_clear(KEY_PRINT); break; | |
978 | case 0x209: map_key_clear(KEY_PROPS); break; | |
979 | case 0x21a: map_key_clear(KEY_UNDO); break; | |
980 | case 0x21b: map_key_clear(KEY_COPY); break; | |
981 | case 0x21c: map_key_clear(KEY_CUT); break; | |
982 | case 0x21d: map_key_clear(KEY_PASTE); break; | |
983 | case 0x21f: map_key_clear(KEY_FIND); break; | |
984 | case 0x221: map_key_clear(KEY_SEARCH); break; | |
985 | case 0x222: map_key_clear(KEY_GOTO); break; | |
986 | case 0x223: map_key_clear(KEY_HOMEPAGE); break; | |
987 | case 0x224: map_key_clear(KEY_BACK); break; | |
988 | case 0x225: map_key_clear(KEY_FORWARD); break; | |
989 | case 0x226: map_key_clear(KEY_STOP); break; | |
990 | case 0x227: map_key_clear(KEY_REFRESH); break; | |
991 | case 0x22a: map_key_clear(KEY_BOOKMARKS); break; | |
992 | case 0x22d: map_key_clear(KEY_ZOOMIN); break; | |
993 | case 0x22e: map_key_clear(KEY_ZOOMOUT); break; | |
994 | case 0x22f: map_key_clear(KEY_ZOOMRESET); break; | |
995 | case 0x233: map_key_clear(KEY_SCROLLUP); break; | |
996 | case 0x234: map_key_clear(KEY_SCROLLDOWN); break; | |
997 | case 0x238: map_rel(REL_HWHEEL); break; | |
437f3b19 | 998 | case 0x23d: map_key_clear(KEY_EDIT); break; |
880d29f1 | 999 | case 0x25f: map_key_clear(KEY_CANCEL); break; |
437f3b19 JW |
1000 | case 0x269: map_key_clear(KEY_INSERT); break; |
1001 | case 0x26a: map_key_clear(KEY_DELETE); break; | |
880d29f1 JS |
1002 | case 0x279: map_key_clear(KEY_REDO); break; |
1003 | ||
1004 | case 0x289: map_key_clear(KEY_REPLY); break; | |
1005 | case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; | |
1006 | case 0x28c: map_key_clear(KEY_SEND); break; | |
1007 | ||
f974008f OG |
1008 | case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV); break; |
1009 | case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT); break; | |
1010 | case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP); break; | |
1011 | case 0x2ca: map_key_clear(KEY_KBDINPUTASSIST_NEXTGROUP); break; | |
1012 | case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT); break; | |
1013 | case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL); break; | |
1014 | ||
afdb5cce | 1015 | default: map_key_clear(KEY_UNKNOWN); |
880d29f1 JS |
1016 | } |
1017 | break; | |
1018 | ||
4f5ca836 | 1019 | case HID_UP_GENDEVCTRLS: |
581c4484 DT |
1020 | switch (usage->hid) { |
1021 | case HID_DC_BATTERYSTRENGTH: | |
1022 | hidinput_setup_battery(device, HID_INPUT_REPORT, field); | |
1023 | usage->type = EV_PWR; | |
4f5ca836 | 1024 | goto ignore; |
581c4484 DT |
1025 | } |
1026 | goto unknown; | |
4f5ca836 | 1027 | |
880d29f1 JS |
1028 | case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ |
1029 | set_bit(EV_REP, input->evbit); | |
1030 | switch (usage->hid & HID_USAGE) { | |
1031 | case 0x021: map_key_clear(KEY_PRINT); break; | |
1032 | case 0x070: map_key_clear(KEY_HP); break; | |
1033 | case 0x071: map_key_clear(KEY_CAMERA); break; | |
1034 | case 0x072: map_key_clear(KEY_SOUND); break; | |
1035 | case 0x073: map_key_clear(KEY_QUESTION); break; | |
1036 | case 0x080: map_key_clear(KEY_EMAIL); break; | |
1037 | case 0x081: map_key_clear(KEY_CHAT); break; | |
1038 | case 0x082: map_key_clear(KEY_SEARCH); break; | |
1039 | case 0x083: map_key_clear(KEY_CONNECT); break; | |
1040 | case 0x084: map_key_clear(KEY_FINANCE); break; | |
1041 | case 0x085: map_key_clear(KEY_SPORT); break; | |
1042 | case 0x086: map_key_clear(KEY_SHOP); break; | |
929578ab KYL |
1043 | default: goto ignore; |
1044 | } | |
1045 | break; | |
1046 | ||
1047 | case HID_UP_HPVENDOR2: | |
1048 | set_bit(EV_REP, input->evbit); | |
1049 | switch (usage->hid & HID_USAGE) { | |
08fc9473 | 1050 | case 0x001: map_key_clear(KEY_MICMUTE); break; |
929578ab KYL |
1051 | case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break; |
1052 | case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break; | |
880d29f1 JS |
1053 | default: goto ignore; |
1054 | } | |
1055 | break; | |
dde5845a | 1056 | |
880d29f1 JS |
1057 | case HID_UP_MSVENDOR: |
1058 | goto ignore; | |
dde5845a | 1059 | |
880d29f1 JS |
1060 | case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ |
1061 | set_bit(EV_REP, input->evbit); | |
1062 | goto ignore; | |
dde5845a | 1063 | |
880d29f1 | 1064 | case HID_UP_LOGIVENDOR: |
b466c1dd SW |
1065 | /* intentional fallback */ |
1066 | case HID_UP_LOGIVENDOR2: | |
1067 | /* intentional fallback */ | |
1068 | case HID_UP_LOGIVENDOR3: | |
880d29f1 | 1069 | goto ignore; |
fc99f22c | 1070 | |
880d29f1 JS |
1071 | case HID_UP_PID: |
1072 | switch (usage->hid & HID_USAGE) { | |
1073 | case 0xa4: map_key_clear(BTN_DEAD); break; | |
1074 | default: goto ignore; | |
1075 | } | |
1076 | break; | |
dde5845a | 1077 | |
880d29f1 JS |
1078 | default: |
1079 | unknown: | |
1080 | if (field->report_size == 1) { | |
1081 | if (field->report->type == HID_OUTPUT_REPORT) { | |
1082 | map_led(LED_MISC); | |
dde5845a JK |
1083 | break; |
1084 | } | |
880d29f1 | 1085 | map_key(BTN_MISC); |
dde5845a | 1086 | break; |
880d29f1 JS |
1087 | } |
1088 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { | |
1089 | map_rel(REL_MISC); | |
1090 | break; | |
1091 | } | |
1092 | map_abs(ABS_MISC); | |
1093 | break; | |
dde5845a JK |
1094 | } |
1095 | ||
10bd065f | 1096 | mapped: |
c500c971 JS |
1097 | if (device->driver->input_mapped && device->driver->input_mapped(device, |
1098 | hidinput, field, usage, &bit, &max) < 0) | |
1099 | goto ignore; | |
1100 | ||
dde5845a JK |
1101 | set_bit(usage->type, input->evbit); |
1102 | ||
1103 | while (usage->code <= max && test_and_set_bit(usage->code, bit)) | |
1104 | usage->code = find_next_zero_bit(bit, max + 1, usage->code); | |
1105 | ||
1106 | if (usage->code > max) | |
1107 | goto ignore; | |
1108 | ||
dde5845a JK |
1109 | if (usage->type == EV_ABS) { |
1110 | ||
1111 | int a = field->logical_minimum; | |
1112 | int b = field->logical_maximum; | |
1113 | ||
1114 | if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { | |
1115 | a = field->logical_minimum = 0; | |
1116 | b = field->logical_maximum = 255; | |
1117 | } | |
1118 | ||
1119 | if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) | |
1120 | input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); | |
1121 | else input_set_abs_params(input, usage->code, a, b, 0, 0); | |
1122 | ||
4ea6e4ff NK |
1123 | input_abs_set_res(input, usage->code, |
1124 | hidinput_calc_abs_res(field, usage->code)); | |
1125 | ||
6967b4d9 HR |
1126 | /* use a larger default input buffer for MT devices */ |
1127 | if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) | |
1128 | input_set_events_per_packet(input, 60); | |
dde5845a JK |
1129 | } |
1130 | ||
1131 | if (usage->type == EV_ABS && | |
1132 | (usage->hat_min < usage->hat_max || usage->hat_dir)) { | |
1133 | int i; | |
1134 | for (i = usage->code; i < usage->code + 2 && i <= max; i++) { | |
1135 | input_set_abs_params(input, i, -1, 1, 0, 0); | |
1136 | set_bit(i, input->absbit); | |
1137 | } | |
1138 | if (usage->hat_dir && !field->dpad) | |
1139 | field->dpad = usage->code; | |
1140 | } | |
1141 | ||
2c1d8aea JK |
1142 | /* for those devices which produce Consumer volume usage as relative, |
1143 | * we emulate pressing volumeup/volumedown appropriate number of times | |
1144 | * in hidinput_hid_event() | |
1145 | */ | |
1146 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && | |
1147 | (usage->code == ABS_VOLUME)) { | |
1148 | set_bit(KEY_VOLUMEUP, input->keybit); | |
1149 | set_bit(KEY_VOLUMEDOWN, input->keybit); | |
1150 | } | |
1151 | ||
c01d50d1 JK |
1152 | if (usage->type == EV_KEY) { |
1153 | set_bit(EV_MSC, input->evbit); | |
1154 | set_bit(MSC_SCAN, input->mscbit); | |
1155 | } | |
1156 | ||
dde5845a | 1157 | ignore: |
dde5845a | 1158 | return; |
a635f9dd | 1159 | |
dde5845a JK |
1160 | } |
1161 | ||
1162 | void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) | |
1163 | { | |
1164 | struct input_dev *input; | |
b4482a4b | 1165 | unsigned *quirks = &hid->quirks; |
dde5845a | 1166 | |
581c4484 | 1167 | if (!usage->type) |
dde5845a JK |
1168 | return; |
1169 | ||
581c4484 DT |
1170 | if (usage->type == EV_PWR) { |
1171 | hidinput_update_battery(hid, value); | |
1172 | return; | |
1173 | } | |
dde5845a | 1174 | |
581c4484 | 1175 | if (!field->hidinput) |
dde5845a JK |
1176 | return; |
1177 | ||
581c4484 DT |
1178 | input = field->hidinput->input; |
1179 | ||
dde5845a JK |
1180 | if (usage->hat_min < usage->hat_max || usage->hat_dir) { |
1181 | int hat_dir = usage->hat_dir; | |
1182 | if (!hat_dir) | |
1183 | hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; | |
1184 | if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; | |
1185 | input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); | |
fc99f22c DM |
1186 | input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); |
1187 | return; | |
1188 | } | |
dde5845a JK |
1189 | |
1190 | if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ | |
1191 | *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); | |
1192 | return; | |
1193 | } | |
1194 | ||
1195 | if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ | |
1196 | if (value) { | |
1197 | input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); | |
1198 | return; | |
1199 | } | |
1200 | input_event(input, usage->type, usage->code, 0); | |
1201 | input_event(input, usage->type, BTN_TOOL_RUBBER, 0); | |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ | |
1206 | int a = field->logical_minimum; | |
1207 | int b = field->logical_maximum; | |
1208 | input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); | |
1209 | } | |
1210 | ||
1211 | if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ | |
58037eb9 | 1212 | dbg_hid("Maximum Effects - %d\n",value); |
dde5845a JK |
1213 | return; |
1214 | } | |
1215 | ||
1216 | if (usage->hid == (HID_UP_PID | 0x7fUL)) { | |
58037eb9 | 1217 | dbg_hid("PID Pool Report\n"); |
dde5845a JK |
1218 | return; |
1219 | } | |
1220 | ||
1221 | if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ | |
1222 | return; | |
1223 | ||
2c1d8aea JK |
1224 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
1225 | (usage->code == ABS_VOLUME)) { | |
1226 | int count = abs(value); | |
1227 | int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; | |
1228 | int i; | |
1229 | ||
1230 | for (i = 0; i < count; i++) { | |
1231 | input_event(input, EV_KEY, direction, 1); | |
1232 | input_sync(input); | |
1233 | input_event(input, EV_KEY, direction, 0); | |
1234 | input_sync(input); | |
1235 | } | |
1236 | return; | |
1237 | } | |
1238 | ||
883e0e36 NK |
1239 | /* |
1240 | * Ignore out-of-range values as per HID specification, | |
c3883fe0 TK |
1241 | * section 5.10 and 6.2.25, when NULL state bit is present. |
1242 | * When it's not, clamp the value to match Microsoft's input | |
1243 | * driver as mentioned in "Required HID usages for digitizers": | |
1244 | * https://msdn.microsoft.com/en-us/library/windows/hardware/dn672278(v=vs.85).asp | |
a688393b JK |
1245 | * |
1246 | * The logical_minimum < logical_maximum check is done so that we | |
1247 | * don't unintentionally discard values sent by devices which | |
1248 | * don't specify logical min and max. | |
883e0e36 NK |
1249 | */ |
1250 | if ((field->flags & HID_MAIN_ITEM_VARIABLE) && | |
c3883fe0 TK |
1251 | (field->logical_minimum < field->logical_maximum)) { |
1252 | if (field->flags & HID_MAIN_ITEM_NULL_STATE && | |
1253 | (value < field->logical_minimum || | |
1254 | value > field->logical_maximum)) { | |
1255 | dbg_hid("Ignoring out-of-range value %x\n", value); | |
1256 | return; | |
1257 | } | |
1258 | value = clamp(value, | |
1259 | field->logical_minimum, | |
1260 | field->logical_maximum); | |
6da70669 JK |
1261 | } |
1262 | ||
6ce901eb DH |
1263 | /* |
1264 | * Ignore reports for absolute data if the data didn't change. This is | |
1265 | * not only an optimization but also fixes 'dead' key reports. Some | |
1266 | * RollOver implementations for localized keys (like BACKSLASH/PIPE; HID | |
1267 | * 0x31 and 0x32) report multiple keys, even though a localized keyboard | |
1268 | * can only have one of them physically available. The 'dead' keys | |
1269 | * report constant 0. As all map to the same keycode, they'd confuse | |
1270 | * the input layer. If we filter the 'dead' keys on the HID level, we | |
1271 | * skip the keycode translation and only forward real events. | |
1272 | */ | |
1273 | if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | | |
1274 | HID_MAIN_ITEM_BUFFERED_BYTE)) && | |
8e7b3410 | 1275 | (field->flags & HID_MAIN_ITEM_VARIABLE) && |
6ce901eb DH |
1276 | usage->usage_index < field->maxusage && |
1277 | value == field->value[usage->usage_index]) | |
1278 | return; | |
1279 | ||
c01d50d1 | 1280 | /* report the usage code as scancode if the key status has changed */ |
323ddaa8 JB |
1281 | if (usage->type == EV_KEY && |
1282 | (!test_bit(usage->code, input->key)) == value) | |
c01d50d1 | 1283 | input_event(input, EV_MSC, MSC_SCAN, usage->hid); |
1fe8736d | 1284 | |
dde5845a JK |
1285 | input_event(input, usage->type, usage->code, value); |
1286 | ||
3eb4351a DT |
1287 | if ((field->flags & HID_MAIN_ITEM_RELATIVE) && |
1288 | usage->type == EV_KEY && value) { | |
1289 | input_sync(input); | |
dde5845a | 1290 | input_event(input, usage->type, usage->code, 0); |
3eb4351a | 1291 | } |
dde5845a JK |
1292 | } |
1293 | ||
1294 | void hidinput_report_event(struct hid_device *hid, struct hid_report *report) | |
1295 | { | |
1296 | struct hid_input *hidinput; | |
1297 | ||
24750f3e HR |
1298 | if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) |
1299 | return; | |
1300 | ||
dde5845a JK |
1301 | list_for_each_entry(hidinput, &hid->inputs, list) |
1302 | input_sync(hidinput->input); | |
1303 | } | |
229695e5 | 1304 | EXPORT_SYMBOL_GPL(hidinput_report_event); |
dde5845a | 1305 | |
229695e5 | 1306 | int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) |
dde5845a JK |
1307 | { |
1308 | struct hid_report *report; | |
1309 | int i, j; | |
1310 | ||
1311 | list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { | |
1312 | for (i = 0; i < report->maxfield; i++) { | |
1313 | *field = report->field[i]; | |
1314 | for (j = 0; j < (*field)->maxusage; j++) | |
1315 | if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) | |
1316 | return j; | |
1317 | } | |
1318 | } | |
1319 | return -1; | |
1320 | } | |
229695e5 | 1321 | EXPORT_SYMBOL_GPL(hidinput_find_field); |
dde5845a | 1322 | |
4371ea82 DK |
1323 | struct hid_field *hidinput_get_led_field(struct hid_device *hid) |
1324 | { | |
1325 | struct hid_report *report; | |
1326 | struct hid_field *field; | |
1327 | int i, j; | |
1328 | ||
1329 | list_for_each_entry(report, | |
1330 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, | |
1331 | list) { | |
1332 | for (i = 0; i < report->maxfield; i++) { | |
1333 | field = report->field[i]; | |
1334 | for (j = 0; j < field->maxusage; j++) | |
1335 | if (field->usage[j].type == EV_LED) | |
1336 | return field; | |
1337 | } | |
1338 | } | |
1339 | return NULL; | |
1340 | } | |
1341 | EXPORT_SYMBOL_GPL(hidinput_get_led_field); | |
1342 | ||
1343 | unsigned int hidinput_count_leds(struct hid_device *hid) | |
1344 | { | |
1345 | struct hid_report *report; | |
1346 | struct hid_field *field; | |
1347 | int i, j; | |
1348 | unsigned int count = 0; | |
1349 | ||
1350 | list_for_each_entry(report, | |
1351 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, | |
1352 | list) { | |
1353 | for (i = 0; i < report->maxfield; i++) { | |
1354 | field = report->field[i]; | |
1355 | for (j = 0; j < field->maxusage; j++) | |
1356 | if (field->usage[j].type == EV_LED && | |
1357 | field->value[j]) | |
1358 | count += 1; | |
1359 | } | |
1360 | } | |
1361 | return count; | |
1362 | } | |
1363 | EXPORT_SYMBOL_GPL(hidinput_count_leds); | |
1364 | ||
50c9d75b DH |
1365 | static void hidinput_led_worker(struct work_struct *work) |
1366 | { | |
1367 | struct hid_device *hid = container_of(work, struct hid_device, | |
1368 | led_work); | |
1369 | struct hid_field *field; | |
1370 | struct hid_report *report; | |
3064a03b AM |
1371 | int ret; |
1372 | u32 len; | |
50c9d75b DH |
1373 | __u8 *buf; |
1374 | ||
1375 | field = hidinput_get_led_field(hid); | |
1376 | if (!field) | |
1377 | return; | |
1378 | ||
1379 | /* | |
1380 | * field->report is accessed unlocked regarding HID core. So there might | |
1381 | * be another incoming SET-LED request from user-space, which changes | |
1382 | * the LED state while we assemble our outgoing buffer. However, this | |
1383 | * doesn't matter as hid_output_report() correctly converts it into a | |
1384 | * boolean value no matter what information is currently set on the LED | |
1385 | * field (even garbage). So the remote device will always get a valid | |
1386 | * request. | |
1387 | * And in case we send a wrong value, a next led worker is spawned | |
1388 | * for every SET-LED request so the following worker will send the | |
1389 | * correct value, guaranteed! | |
1390 | */ | |
1391 | ||
1392 | report = field->report; | |
1393 | ||
1394 | /* use custom SET_REPORT request if possible (asynchronous) */ | |
1395 | if (hid->ll_driver->request) | |
1396 | return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); | |
1397 | ||
1398 | /* fall back to generic raw-output-report */ | |
dabb05c6 | 1399 | len = hid_report_len(report); |
9d27f432 | 1400 | buf = hid_alloc_report_buf(report, GFP_KERNEL); |
50c9d75b DH |
1401 | if (!buf) |
1402 | return; | |
1403 | ||
1404 | hid_output_report(report, buf); | |
1405 | /* synchronous output report */ | |
2ebaebcf BT |
1406 | ret = hid_hw_output_report(hid, buf, len); |
1407 | if (ret == -ENOSYS) | |
1408 | hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, | |
1409 | HID_REQ_SET_REPORT); | |
50c9d75b DH |
1410 | kfree(buf); |
1411 | } | |
1412 | ||
1413 | static int hidinput_input_event(struct input_dev *dev, unsigned int type, | |
1414 | unsigned int code, int value) | |
1415 | { | |
1416 | struct hid_device *hid = input_get_drvdata(dev); | |
1417 | struct hid_field *field; | |
1418 | int offset; | |
1419 | ||
1420 | if (type == EV_FF) | |
1421 | return input_ff_event(dev, type, code, value); | |
1422 | ||
1423 | if (type != EV_LED) | |
1424 | return -1; | |
1425 | ||
1426 | if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { | |
1427 | hid_warn(dev, "event field not found\n"); | |
1428 | return -1; | |
1429 | } | |
1430 | ||
1431 | hid_set_field(field, offset, value); | |
1432 | ||
1433 | schedule_work(&hid->led_work); | |
1434 | return 0; | |
1435 | } | |
1436 | ||
7c379146 JK |
1437 | static int hidinput_open(struct input_dev *dev) |
1438 | { | |
e0712985 DT |
1439 | struct hid_device *hid = input_get_drvdata(dev); |
1440 | ||
5bea7660 | 1441 | return hid_hw_open(hid); |
7c379146 JK |
1442 | } |
1443 | ||
1444 | static void hidinput_close(struct input_dev *dev) | |
1445 | { | |
e0712985 DT |
1446 | struct hid_device *hid = input_get_drvdata(dev); |
1447 | ||
5bea7660 | 1448 | hid_hw_close(hid); |
7c379146 JK |
1449 | } |
1450 | ||
f635bd11 HR |
1451 | static void report_features(struct hid_device *hid) |
1452 | { | |
1453 | struct hid_driver *drv = hid->driver; | |
1454 | struct hid_report_enum *rep_enum; | |
1455 | struct hid_report *rep; | |
581c4484 | 1456 | struct hid_usage *usage; |
f635bd11 HR |
1457 | int i, j; |
1458 | ||
f635bd11 HR |
1459 | rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; |
1460 | list_for_each_entry(rep, &rep_enum->report_list, list) | |
cc6b54aa BT |
1461 | for (i = 0; i < rep->maxfield; i++) { |
1462 | /* Ignore if report count is out of bounds. */ | |
1463 | if (rep->field[i]->report_count < 1) | |
1464 | continue; | |
1465 | ||
c5a92aa3 | 1466 | for (j = 0; j < rep->field[i]->maxusage; j++) { |
581c4484 DT |
1467 | usage = &rep->field[i]->usage[j]; |
1468 | ||
c5a92aa3 | 1469 | /* Verify if Battery Strength feature is available */ |
581c4484 DT |
1470 | if (usage->hid == HID_DC_BATTERYSTRENGTH) |
1471 | hidinput_setup_battery(hid, HID_FEATURE_REPORT, | |
1472 | rep->field[i]); | |
c5a92aa3 DN |
1473 | |
1474 | if (drv->feature_mapping) | |
581c4484 | 1475 | drv->feature_mapping(hid, rep->field[i], usage); |
c5a92aa3 | 1476 | } |
cc6b54aa | 1477 | } |
f635bd11 HR |
1478 | } |
1479 | ||
ae751fa8 BT |
1480 | static struct hid_input *hidinput_allocate(struct hid_device *hid) |
1481 | { | |
1482 | struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); | |
1483 | struct input_dev *input_dev = input_allocate_device(); | |
1484 | if (!hidinput || !input_dev) { | |
1485 | kfree(hidinput); | |
1486 | input_free_device(input_dev); | |
1487 | hid_err(hid, "Out of memory during hid input probe\n"); | |
1488 | return NULL; | |
1489 | } | |
1490 | ||
1491 | input_set_drvdata(input_dev, hid); | |
3c86726c | 1492 | input_dev->event = hidinput_input_event; |
ae751fa8 BT |
1493 | input_dev->open = hidinput_open; |
1494 | input_dev->close = hidinput_close; | |
1495 | input_dev->setkeycode = hidinput_setkeycode; | |
1496 | input_dev->getkeycode = hidinput_getkeycode; | |
1497 | ||
1498 | input_dev->name = hid->name; | |
1499 | input_dev->phys = hid->phys; | |
1500 | input_dev->uniq = hid->uniq; | |
1501 | input_dev->id.bustype = hid->bus; | |
1502 | input_dev->id.vendor = hid->vendor; | |
1503 | input_dev->id.product = hid->product; | |
1504 | input_dev->id.version = hid->version; | |
bbe31754 | 1505 | input_dev->dev.parent = &hid->dev; |
ae751fa8 BT |
1506 | hidinput->input = input_dev; |
1507 | list_add_tail(&hidinput->list, &hid->inputs); | |
1508 | ||
1509 | return hidinput; | |
1510 | } | |
1511 | ||
4f22decf BT |
1512 | static bool hidinput_has_been_populated(struct hid_input *hidinput) |
1513 | { | |
1514 | int i; | |
1515 | unsigned long r = 0; | |
1516 | ||
1517 | for (i = 0; i < BITS_TO_LONGS(EV_CNT); i++) | |
1518 | r |= hidinput->input->evbit[i]; | |
1519 | ||
1520 | for (i = 0; i < BITS_TO_LONGS(KEY_CNT); i++) | |
1521 | r |= hidinput->input->keybit[i]; | |
1522 | ||
1523 | for (i = 0; i < BITS_TO_LONGS(REL_CNT); i++) | |
1524 | r |= hidinput->input->relbit[i]; | |
1525 | ||
1526 | for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++) | |
1527 | r |= hidinput->input->absbit[i]; | |
1528 | ||
1529 | for (i = 0; i < BITS_TO_LONGS(MSC_CNT); i++) | |
1530 | r |= hidinput->input->mscbit[i]; | |
1531 | ||
1532 | for (i = 0; i < BITS_TO_LONGS(LED_CNT); i++) | |
1533 | r |= hidinput->input->ledbit[i]; | |
1534 | ||
1535 | for (i = 0; i < BITS_TO_LONGS(SND_CNT); i++) | |
1536 | r |= hidinput->input->sndbit[i]; | |
1537 | ||
1538 | for (i = 0; i < BITS_TO_LONGS(FF_CNT); i++) | |
1539 | r |= hidinput->input->ffbit[i]; | |
1540 | ||
1541 | for (i = 0; i < BITS_TO_LONGS(SW_CNT); i++) | |
1542 | r |= hidinput->input->swbit[i]; | |
1543 | ||
1544 | return !!r; | |
1545 | } | |
1546 | ||
1547 | static void hidinput_cleanup_hidinput(struct hid_device *hid, | |
1548 | struct hid_input *hidinput) | |
1549 | { | |
1550 | struct hid_report *report; | |
1551 | int i, k; | |
1552 | ||
1553 | list_del(&hidinput->list); | |
1554 | input_free_device(hidinput->input); | |
1555 | ||
1556 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
1557 | if (k == HID_OUTPUT_REPORT && | |
1558 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) | |
1559 | continue; | |
1560 | ||
1561 | list_for_each_entry(report, &hid->report_enum[k].report_list, | |
1562 | list) { | |
1563 | ||
1564 | for (i = 0; i < report->maxfield; i++) | |
1565 | if (report->field[i]->hidinput == hidinput) | |
1566 | report->field[i]->hidinput = NULL; | |
1567 | } | |
1568 | } | |
1569 | ||
1570 | kfree(hidinput); | |
1571 | } | |
1572 | ||
72d19459 BT |
1573 | static struct hid_input *hidinput_match(struct hid_report *report) |
1574 | { | |
1575 | struct hid_device *hid = report->device; | |
1576 | struct hid_input *hidinput; | |
1577 | ||
1578 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1579 | if (hidinput->report && | |
1580 | hidinput->report->id == report->id) | |
1581 | return hidinput; | |
1582 | } | |
1583 | ||
1584 | return NULL; | |
1585 | } | |
1586 | ||
1587 | static inline void hidinput_configure_usages(struct hid_input *hidinput, | |
1588 | struct hid_report *report) | |
1589 | { | |
1590 | int i, j; | |
1591 | ||
1592 | for (i = 0; i < report->maxfield; i++) | |
1593 | for (j = 0; j < report->field[i]->maxusage; j++) | |
1594 | hidinput_configure_usage(hidinput, report->field[i], | |
1595 | report->field[i]->usage + j); | |
1596 | } | |
1597 | ||
dde5845a JK |
1598 | /* |
1599 | * Register the input device; print a message. | |
1600 | * Configure the input layer interface | |
1601 | * Read all reports and initialize the absolute field values. | |
1602 | */ | |
1603 | ||
93c10132 | 1604 | int hidinput_connect(struct hid_device *hid, unsigned int force) |
dde5845a | 1605 | { |
9ebf3d76 | 1606 | struct hid_driver *drv = hid->driver; |
dde5845a | 1607 | struct hid_report *report; |
72d19459 BT |
1608 | struct hid_input *next, *hidinput = NULL; |
1609 | int i, k; | |
dde5845a JK |
1610 | |
1611 | INIT_LIST_HEAD(&hid->inputs); | |
50c9d75b | 1612 | INIT_WORK(&hid->led_work, hidinput_led_worker); |
dde5845a | 1613 | |
93c10132 JS |
1614 | if (!force) { |
1615 | for (i = 0; i < hid->maxcollection; i++) { | |
1616 | struct hid_collection *col = &hid->collection[i]; | |
1617 | if (col->type == HID_COLLECTION_APPLICATION || | |
1618 | col->type == HID_COLLECTION_PHYSICAL) | |
1619 | if (IS_INPUT_APPLICATION(col->usage)) | |
1620 | break; | |
1621 | } | |
dde5845a | 1622 | |
93c10132 JS |
1623 | if (i == hid->maxcollection) |
1624 | return -1; | |
1625 | } | |
dde5845a | 1626 | |
f635bd11 HR |
1627 | report_features(hid); |
1628 | ||
1629 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
0d2689c0 BT |
1630 | if (k == HID_OUTPUT_REPORT && |
1631 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) | |
1632 | continue; | |
5556feae | 1633 | |
dde5845a JK |
1634 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { |
1635 | ||
1636 | if (!report->maxfield) | |
1637 | continue; | |
1638 | ||
72d19459 BT |
1639 | /* |
1640 | * Find the previous hidinput report attached | |
1641 | * to this report id. | |
1642 | */ | |
1643 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) | |
1644 | hidinput = hidinput_match(report); | |
1645 | ||
dde5845a | 1646 | if (!hidinput) { |
ae751fa8 BT |
1647 | hidinput = hidinput_allocate(hid); |
1648 | if (!hidinput) | |
368d290b | 1649 | goto out_unwind; |
dde5845a JK |
1650 | } |
1651 | ||
72d19459 | 1652 | hidinput_configure_usages(hidinput, report); |
4f22decf | 1653 | |
72d19459 | 1654 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) |
dde5845a | 1655 | hidinput->report = report; |
dde5845a | 1656 | } |
0d2689c0 | 1657 | } |
dde5845a | 1658 | |
72d19459 | 1659 | list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
39335d1c BT |
1660 | if (drv->input_configured && |
1661 | drv->input_configured(hid, hidinput)) | |
1662 | goto out_unwind; | |
1663 | ||
1664 | if (!hidinput_has_been_populated(hidinput)) { | |
72d19459 BT |
1665 | /* no need to register an input device not populated */ |
1666 | hidinput_cleanup_hidinput(hid, hidinput); | |
1667 | continue; | |
1668 | } | |
1669 | ||
72d19459 BT |
1670 | if (input_register_device(hidinput->input)) |
1671 | goto out_unwind; | |
1672 | hidinput->registered = true; | |
4f22decf BT |
1673 | } |
1674 | ||
1675 | if (list_empty(&hid->inputs)) { | |
1676 | hid_err(hid, "No inputs registered, leaving\n"); | |
1677 | goto out_unwind; | |
1678 | } | |
1679 | ||
dde5845a | 1680 | return 0; |
368d290b | 1681 | |
368d290b DH |
1682 | out_unwind: |
1683 | /* unwind the ones we already registered */ | |
1684 | hidinput_disconnect(hid); | |
1685 | ||
1686 | return -1; | |
dde5845a | 1687 | } |
229695e5 | 1688 | EXPORT_SYMBOL_GPL(hidinput_connect); |
dde5845a JK |
1689 | |
1690 | void hidinput_disconnect(struct hid_device *hid) | |
1691 | { | |
1692 | struct hid_input *hidinput, *next; | |
1693 | ||
4f5ca836 JF |
1694 | hidinput_cleanup_battery(hid); |
1695 | ||
dde5845a JK |
1696 | list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
1697 | list_del(&hidinput->list); | |
72d19459 BT |
1698 | if (hidinput->registered) |
1699 | input_unregister_device(hidinput->input); | |
1700 | else | |
1701 | input_free_device(hidinput->input); | |
dde5845a JK |
1702 | kfree(hidinput); |
1703 | } | |
50c9d75b DH |
1704 | |
1705 | /* led_work is spawned by input_dev callbacks, but doesn't access the | |
1706 | * parent input_dev at all. Once all input devices are removed, we | |
1707 | * know that led_work will never get restarted, so we can cancel it | |
1708 | * synchronously and are safe. */ | |
1709 | cancel_work_sync(&hid->led_work); | |
dde5845a | 1710 | } |
229695e5 JK |
1711 | EXPORT_SYMBOL_GPL(hidinput_disconnect); |
1712 |