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1 | /* |
2 | * Copyright (c) 2000-2001 Vojtech Pavlik |
3 | * Copyright (c) 2006-2010 Jiri Kosina |
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> |
31 | |
32 | #include <linux/hid.h> |
33 | #include <linux/hid-debug.h> |
34 | |
35 | #include "hid-ids.h" |
36 | |
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, |
49 | 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk, |
50 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
51 | unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk, |
52 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
53 | unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk, |
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 | |
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)) |
67 | |
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)) |
72 | |
73 | static bool match_scancode(struct hid_usage *usage, |
74 | unsigned int cur_idx, unsigned int scancode) |
75 | { |
76 | return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode; |
77 | } |
78 | |
79 | static bool match_keycode(struct hid_usage *usage, |
80 | unsigned int cur_idx, unsigned int keycode) |
81 | { |
82 | /* |
83 | * We should exclude unmapped usages when doing lookup by keycode. |
84 | */ |
85 | return (usage->type == EV_KEY && usage->code == keycode); |
86 | } |
87 | |
88 | static bool match_index(struct hid_usage *usage, |
89 | unsigned int cur_idx, unsigned int idx) |
90 | { |
91 | return cur_idx == idx; |
92 | } |
93 | |
94 | typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage, |
95 | unsigned int cur_idx, unsigned int val); |
96 | |
97 | static struct hid_usage *hidinput_find_key(struct hid_device *hid, |
98 | hid_usage_cmp_t match, |
99 | unsigned int value, |
100 | unsigned int *usage_idx) |
101 | { |
102 | unsigned int i, j, k, cur_idx = 0; |
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++) { |
109 | for (j = 0; j < report->field[i]->maxusage; j++) { |
110 | usage = report->field[i]->usage + j; |
111 | if (usage->type == EV_KEY || usage->type == 0) { |
112 | if (match(usage, cur_idx, value)) { |
113 | if (usage_idx) |
114 | *usage_idx = cur_idx; |
115 | return usage; |
116 | } |
117 | cur_idx++; |
118 | } |
119 | } |
120 | } |
121 | } |
122 | } |
123 | return NULL; |
124 | } |
125 | |
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 | |
143 | static int hidinput_getkeycode(struct input_dev *dev, |
144 | struct input_keymap_entry *ke) |
145 | { |
146 | struct hid_device *hid = input_get_drvdata(dev); |
147 | struct hid_usage *usage; |
148 | unsigned int scancode, index; |
149 | |
150 | usage = hidinput_locate_usage(hid, ke, &index); |
151 | if (usage) { |
152 | ke->keycode = usage->type == EV_KEY ? |
153 | usage->code : KEY_RESERVED; |
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)); |
158 | return 0; |
159 | } |
160 | |
161 | return -EINVAL; |
162 | } |
163 | |
164 | static int hidinput_setkeycode(struct input_dev *dev, |
165 | const struct input_keymap_entry *ke, |
166 | unsigned int *old_keycode) |
167 | { |
168 | struct hid_device *hid = input_get_drvdata(dev); |
169 | struct hid_usage *usage; |
170 | |
171 | usage = hidinput_locate_usage(hid, ke, NULL); |
172 | if (usage) { |
173 | *old_keycode = usage->type == EV_KEY ? |
174 | usage->code : KEY_RESERVED; |
175 | usage->code = ke->keycode; |
176 | |
177 | clear_bit(*old_keycode, dev->keybit); |
178 | set_bit(usage->code, dev->keybit); |
179 | dbg_hid("Assigned keycode %d to HID usage code %x\n", |
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); |
188 | |
189 | return 0; |
190 | } |
191 | |
192 | return -EINVAL; |
193 | } |
194 | |
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 | * |
207 | * Only exponent 1 length units are processed. Centimeters and inches are |
208 | * converted to millimeters. Degrees are converted to radians. |
209 | */ |
210 | __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) |
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 | */ |
227 | switch (code) { |
228 | case ABS_X: |
229 | case ABS_Y: |
230 | case ABS_Z: |
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: |
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 */ |
242 | /* Convert to millimeters */ |
243 | unit_exponent += 1; |
244 | break; |
245 | case 0x3: /* If inches */ |
246 | /* Convert to millimeters */ |
247 | prev = physical_extents; |
248 | physical_extents *= 254; |
249 | if (physical_extents < prev) |
250 | return 0; |
251 | unit_exponent -= 1; |
252 | break; |
253 | default: |
254 | return 0; |
255 | } |
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: |
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 | } |
273 | break; |
274 | |
275 | default: |
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 */ |
295 | return DIV_ROUND_CLOSEST(logical_extents, physical_extents); |
296 | } |
297 | EXPORT_SYMBOL_GPL(hidinput_calc_abs_res); |
298 | |
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, |
305 | POWER_SUPPLY_PROP_STATUS, |
306 | POWER_SUPPLY_PROP_SCOPE, |
307 | }; |
308 | |
309 | #define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */ |
310 | #define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */ |
311 | |
312 | static const struct hid_device_id hid_battery_quirks[] = { |
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 }, |
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 }, |
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 }, |
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 | |
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; |
343 | __u8 buf[2] = {}; |
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: |
352 | ret = dev->hid_get_raw_report(dev, dev->battery_report_id, |
353 | buf, sizeof(buf), |
354 | dev->battery_report_type); |
355 | |
356 | if (ret != 2) { |
357 | if (ret >= 0) |
358 | ret = -EINVAL; |
359 | break; |
360 | } |
361 | |
362 | if (dev->battery_min < dev->battery_max && |
363 | buf[1] >= dev->battery_min && |
364 | buf[1] <= dev->battery_max) |
365 | val->intval = (100 * (buf[1] - dev->battery_min)) / |
366 | (dev->battery_max - dev->battery_min); |
367 | break; |
368 | |
369 | case POWER_SUPPLY_PROP_MODEL_NAME: |
370 | val->strval = dev->name; |
371 | break; |
372 | |
373 | case POWER_SUPPLY_PROP_STATUS: |
374 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; |
375 | break; |
376 | |
377 | case POWER_SUPPLY_PROP_SCOPE: |
378 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; |
379 | break; |
380 | |
381 | default: |
382 | ret = -EINVAL; |
383 | break; |
384 | } |
385 | |
386 | return ret; |
387 | } |
388 | |
389 | static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field) |
390 | { |
391 | struct power_supply *battery = &dev->battery; |
392 | int ret; |
393 | unsigned quirks; |
394 | s32 min, max; |
395 | |
396 | if (field->usage->hid != HID_DC_BATTERYSTRENGTH) |
397 | return false; /* no match */ |
398 | |
399 | if (battery->name != NULL) |
400 | goto out; /* already initialized? */ |
401 | |
402 | battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq); |
403 | if (battery->name == NULL) |
404 | goto out; |
405 | |
406 | battery->type = POWER_SUPPLY_TYPE_BATTERY; |
407 | battery->properties = hidinput_battery_props; |
408 | battery->num_properties = ARRAY_SIZE(hidinput_battery_props); |
409 | battery->use_for_apm = 0; |
410 | battery->get_property = hidinput_get_battery_property; |
411 | |
412 | quirks = find_battery_quirk(dev); |
413 | |
414 | hid_dbg(dev, "device %x:%x:%x %d quirks %d\n", |
415 | dev->bus, dev->vendor, dev->product, dev->version, quirks); |
416 | |
417 | min = field->logical_minimum; |
418 | max = field->logical_maximum; |
419 | |
420 | if (quirks & HID_BATTERY_QUIRK_PERCENT) { |
421 | min = 0; |
422 | max = 100; |
423 | } |
424 | |
425 | if (quirks & HID_BATTERY_QUIRK_FEATURE) |
426 | report_type = HID_FEATURE_REPORT; |
427 | |
428 | dev->battery_min = min; |
429 | dev->battery_max = max; |
430 | dev->battery_report_type = report_type; |
431 | dev->battery_report_id = field->report->id; |
432 | |
433 | ret = power_supply_register(&dev->dev, battery); |
434 | if (ret != 0) { |
435 | hid_warn(dev, "can't register power supply: %d\n", ret); |
436 | kfree(battery->name); |
437 | battery->name = NULL; |
438 | } |
439 | |
440 | power_supply_powers(battery, &dev->dev); |
441 | |
442 | out: |
443 | return true; |
444 | } |
445 | |
446 | static void hidinput_cleanup_battery(struct hid_device *dev) |
447 | { |
448 | if (!dev->battery.name) |
449 | return; |
450 | |
451 | power_supply_unregister(&dev->battery); |
452 | kfree(dev->battery.name); |
453 | dev->battery.name = NULL; |
454 | } |
455 | #else /* !CONFIG_HID_BATTERY_STRENGTH */ |
456 | static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, |
457 | struct hid_field *field) |
458 | { |
459 | return false; |
460 | } |
461 | |
462 | static void hidinput_cleanup_battery(struct hid_device *dev) |
463 | { |
464 | } |
465 | #endif /* CONFIG_HID_BATTERY_STRENGTH */ |
466 | |
467 | static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, |
468 | struct hid_usage *usage) |
469 | { |
470 | struct input_dev *input = hidinput->input; |
471 | struct hid_device *device = input_get_drvdata(input); |
472 | int max = 0, code; |
473 | unsigned long *bit = NULL; |
474 | |
475 | field->hidinput = hidinput; |
476 | |
477 | if (field->flags & HID_MAIN_ITEM_CONSTANT) |
478 | goto ignore; |
479 | |
480 | /* only LED usages are supported in output fields */ |
481 | if (field->report_type == HID_OUTPUT_REPORT && |
482 | (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { |
483 | goto ignore; |
484 | } |
485 | |
486 | if (device->driver->input_mapping) { |
487 | int ret = device->driver->input_mapping(device, hidinput, field, |
488 | usage, &bit, &max); |
489 | if (ret > 0) |
490 | goto mapped; |
491 | if (ret < 0) |
492 | goto ignore; |
493 | } |
494 | |
495 | switch (usage->hid & HID_USAGE_PAGE) { |
496 | case HID_UP_UNDEFINED: |
497 | goto ignore; |
498 | |
499 | case HID_UP_KEYBOARD: |
500 | set_bit(EV_REP, input->evbit); |
501 | |
502 | if ((usage->hid & HID_USAGE) < 256) { |
503 | if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; |
504 | map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); |
505 | } else |
506 | map_key(KEY_UNKNOWN); |
507 | |
508 | break; |
509 | |
510 | case HID_UP_BUTTON: |
511 | code = ((usage->hid - 1) & HID_USAGE); |
512 | |
513 | switch (field->application) { |
514 | case HID_GD_MOUSE: |
515 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
516 | case HID_GD_JOYSTICK: |
517 | if (code <= 0xf) |
518 | code += BTN_JOYSTICK; |
519 | else |
520 | code += BTN_TRIGGER_HAPPY - 0x10; |
521 | break; |
522 | case HID_GD_GAMEPAD: |
523 | if (code <= 0xf) |
524 | code += BTN_GAMEPAD; |
525 | else |
526 | code += BTN_TRIGGER_HAPPY - 0x10; |
527 | break; |
528 | default: |
529 | switch (field->physical) { |
530 | case HID_GD_MOUSE: |
531 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
532 | case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break; |
533 | case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; |
534 | default: code += BTN_MISC; |
535 | } |
536 | } |
537 | |
538 | map_key(code); |
539 | break; |
540 | |
541 | case HID_UP_SIMULATION: |
542 | switch (usage->hid & 0xffff) { |
543 | case 0xba: map_abs(ABS_RUDDER); break; |
544 | case 0xbb: map_abs(ABS_THROTTLE); break; |
545 | case 0xc4: map_abs(ABS_GAS); break; |
546 | case 0xc5: map_abs(ABS_BRAKE); break; |
547 | case 0xc8: map_abs(ABS_WHEEL); break; |
548 | default: goto ignore; |
549 | } |
550 | break; |
551 | |
552 | case HID_UP_GENDESK: |
553 | if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ |
554 | switch (usage->hid & 0xf) { |
555 | case 0x1: map_key_clear(KEY_POWER); break; |
556 | case 0x2: map_key_clear(KEY_SLEEP); break; |
557 | case 0x3: map_key_clear(KEY_WAKEUP); break; |
558 | case 0x4: map_key_clear(KEY_CONTEXT_MENU); break; |
559 | case 0x5: map_key_clear(KEY_MENU); break; |
560 | case 0x6: map_key_clear(KEY_PROG1); break; |
561 | case 0x7: map_key_clear(KEY_HELP); break; |
562 | case 0x8: map_key_clear(KEY_EXIT); break; |
563 | case 0x9: map_key_clear(KEY_SELECT); break; |
564 | case 0xa: map_key_clear(KEY_RIGHT); break; |
565 | case 0xb: map_key_clear(KEY_LEFT); break; |
566 | case 0xc: map_key_clear(KEY_UP); break; |
567 | case 0xd: map_key_clear(KEY_DOWN); break; |
568 | case 0xe: map_key_clear(KEY_POWER2); break; |
569 | case 0xf: map_key_clear(KEY_RESTART); break; |
570 | default: goto unknown; |
571 | } |
572 | break; |
573 | } |
574 | |
575 | if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ |
576 | switch (usage->hid) { |
577 | case HID_GD_UP: usage->hat_dir = 1; break; |
578 | case HID_GD_DOWN: usage->hat_dir = 5; break; |
579 | case HID_GD_RIGHT: usage->hat_dir = 3; break; |
580 | case HID_GD_LEFT: usage->hat_dir = 7; break; |
581 | default: goto unknown; |
582 | } |
583 | if (field->dpad) { |
584 | map_abs(field->dpad); |
585 | goto ignore; |
586 | } |
587 | map_abs(ABS_HAT0X); |
588 | break; |
589 | } |
590 | |
591 | switch (usage->hid) { |
592 | /* These usage IDs map directly to the usage codes. */ |
593 | case HID_GD_X: case HID_GD_Y: case HID_GD_Z: |
594 | case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: |
595 | case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: |
596 | if (field->flags & HID_MAIN_ITEM_RELATIVE) |
597 | map_rel(usage->hid & 0xf); |
598 | else |
599 | map_abs(usage->hid & 0xf); |
600 | break; |
601 | |
602 | case HID_GD_HATSWITCH: |
603 | usage->hat_min = field->logical_minimum; |
604 | usage->hat_max = field->logical_maximum; |
605 | map_abs(ABS_HAT0X); |
606 | break; |
607 | |
608 | case HID_GD_START: map_key_clear(BTN_START); break; |
609 | case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; |
610 | |
611 | default: goto unknown; |
612 | } |
613 | |
614 | break; |
615 | |
616 | case HID_UP_LED: |
617 | switch (usage->hid & 0xffff) { /* HID-Value: */ |
618 | case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ |
619 | case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ |
620 | case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ |
621 | case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ |
622 | case 0x05: map_led (LED_KANA); break; /* "Kana" */ |
623 | case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ |
624 | case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ |
625 | case 0x09: map_led (LED_MUTE); break; /* "Mute" */ |
626 | case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ |
627 | case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ |
628 | case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ |
629 | |
630 | default: goto ignore; |
631 | } |
632 | break; |
633 | |
634 | case HID_UP_DIGITIZER: |
635 | switch (usage->hid & 0xff) { |
636 | case 0x00: /* Undefined */ |
637 | goto ignore; |
638 | |
639 | case 0x30: /* TipPressure */ |
640 | if (!test_bit(BTN_TOUCH, input->keybit)) { |
641 | device->quirks |= HID_QUIRK_NOTOUCH; |
642 | set_bit(EV_KEY, input->evbit); |
643 | set_bit(BTN_TOUCH, input->keybit); |
644 | } |
645 | map_abs_clear(ABS_PRESSURE); |
646 | break; |
647 | |
648 | case 0x32: /* InRange */ |
649 | switch (field->physical & 0xff) { |
650 | case 0x21: map_key(BTN_TOOL_MOUSE); break; |
651 | case 0x22: map_key(BTN_TOOL_FINGER); break; |
652 | default: map_key(BTN_TOOL_PEN); break; |
653 | } |
654 | break; |
655 | |
656 | case 0x3c: /* Invert */ |
657 | map_key_clear(BTN_TOOL_RUBBER); |
658 | break; |
659 | |
660 | case 0x3d: /* X Tilt */ |
661 | map_abs_clear(ABS_TILT_X); |
662 | break; |
663 | |
664 | case 0x3e: /* Y Tilt */ |
665 | map_abs_clear(ABS_TILT_Y); |
666 | break; |
667 | |
668 | case 0x33: /* Touch */ |
669 | case 0x42: /* TipSwitch */ |
670 | case 0x43: /* TipSwitch2 */ |
671 | device->quirks &= ~HID_QUIRK_NOTOUCH; |
672 | map_key_clear(BTN_TOUCH); |
673 | break; |
674 | |
675 | case 0x44: /* BarrelSwitch */ |
676 | map_key_clear(BTN_STYLUS); |
677 | break; |
678 | |
679 | case 0x46: /* TabletPick */ |
680 | map_key_clear(BTN_STYLUS2); |
681 | break; |
682 | |
683 | default: goto unknown; |
684 | } |
685 | break; |
686 | |
687 | case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ |
688 | switch (usage->hid & HID_USAGE) { |
689 | case 0x000: goto ignore; |
690 | case 0x030: map_key_clear(KEY_POWER); break; |
691 | case 0x031: map_key_clear(KEY_RESTART); break; |
692 | case 0x032: map_key_clear(KEY_SLEEP); break; |
693 | case 0x034: map_key_clear(KEY_SLEEP); break; |
694 | case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break; |
695 | case 0x036: map_key_clear(BTN_MISC); break; |
696 | |
697 | case 0x040: map_key_clear(KEY_MENU); break; /* Menu */ |
698 | case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */ |
699 | case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */ |
700 | case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */ |
701 | case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */ |
702 | case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */ |
703 | case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */ |
704 | case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ |
705 | case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ |
706 | |
707 | case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */ |
708 | case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */ |
709 | case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */ |
710 | case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */ |
711 | case 0x069: map_key_clear(KEY_RED); break; |
712 | case 0x06a: map_key_clear(KEY_GREEN); break; |
713 | case 0x06b: map_key_clear(KEY_BLUE); break; |
714 | case 0x06c: map_key_clear(KEY_YELLOW); break; |
715 | case 0x06d: map_key_clear(KEY_ZOOM); break; |
716 | |
717 | case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; |
718 | case 0x083: map_key_clear(KEY_LAST); break; |
719 | case 0x084: map_key_clear(KEY_ENTER); break; |
720 | case 0x088: map_key_clear(KEY_PC); break; |
721 | case 0x089: map_key_clear(KEY_TV); break; |
722 | case 0x08a: map_key_clear(KEY_WWW); break; |
723 | case 0x08b: map_key_clear(KEY_DVD); break; |
724 | case 0x08c: map_key_clear(KEY_PHONE); break; |
725 | case 0x08d: map_key_clear(KEY_PROGRAM); break; |
726 | case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; |
727 | case 0x08f: map_key_clear(KEY_GAMES); break; |
728 | case 0x090: map_key_clear(KEY_MEMO); break; |
729 | case 0x091: map_key_clear(KEY_CD); break; |
730 | case 0x092: map_key_clear(KEY_VCR); break; |
731 | case 0x093: map_key_clear(KEY_TUNER); break; |
732 | case 0x094: map_key_clear(KEY_EXIT); break; |
733 | case 0x095: map_key_clear(KEY_HELP); break; |
734 | case 0x096: map_key_clear(KEY_TAPE); break; |
735 | case 0x097: map_key_clear(KEY_TV2); break; |
736 | case 0x098: map_key_clear(KEY_SAT); break; |
737 | case 0x09a: map_key_clear(KEY_PVR); break; |
738 | |
739 | case 0x09c: map_key_clear(KEY_CHANNELUP); break; |
740 | case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; |
741 | case 0x0a0: map_key_clear(KEY_VCR2); break; |
742 | |
743 | case 0x0b0: map_key_clear(KEY_PLAY); break; |
744 | case 0x0b1: map_key_clear(KEY_PAUSE); break; |
745 | case 0x0b2: map_key_clear(KEY_RECORD); break; |
746 | case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; |
747 | case 0x0b4: map_key_clear(KEY_REWIND); break; |
748 | case 0x0b5: map_key_clear(KEY_NEXTSONG); break; |
749 | case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; |
750 | case 0x0b7: map_key_clear(KEY_STOPCD); break; |
751 | case 0x0b8: map_key_clear(KEY_EJECTCD); break; |
752 | case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; |
753 | case 0x0b9: map_key_clear(KEY_SHUFFLE); break; |
754 | case 0x0bf: map_key_clear(KEY_SLOW); break; |
755 | |
756 | case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; |
757 | case 0x0e0: map_abs_clear(ABS_VOLUME); break; |
758 | case 0x0e2: map_key_clear(KEY_MUTE); break; |
759 | case 0x0e5: map_key_clear(KEY_BASSBOOST); break; |
760 | case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; |
761 | case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; |
762 | case 0x0f5: map_key_clear(KEY_SLOW); break; |
763 | |
764 | case 0x182: map_key_clear(KEY_BOOKMARKS); break; |
765 | case 0x183: map_key_clear(KEY_CONFIG); break; |
766 | case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; |
767 | case 0x185: map_key_clear(KEY_EDITOR); break; |
768 | case 0x186: map_key_clear(KEY_SPREADSHEET); break; |
769 | case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; |
770 | case 0x188: map_key_clear(KEY_PRESENTATION); break; |
771 | case 0x189: map_key_clear(KEY_DATABASE); break; |
772 | case 0x18a: map_key_clear(KEY_MAIL); break; |
773 | case 0x18b: map_key_clear(KEY_NEWS); break; |
774 | case 0x18c: map_key_clear(KEY_VOICEMAIL); break; |
775 | case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; |
776 | case 0x18e: map_key_clear(KEY_CALENDAR); break; |
777 | case 0x191: map_key_clear(KEY_FINANCE); break; |
778 | case 0x192: map_key_clear(KEY_CALC); break; |
779 | case 0x193: map_key_clear(KEY_PLAYER); break; |
780 | case 0x194: map_key_clear(KEY_FILE); break; |
781 | case 0x196: map_key_clear(KEY_WWW); break; |
782 | case 0x199: map_key_clear(KEY_CHAT); break; |
783 | case 0x19c: map_key_clear(KEY_LOGOFF); break; |
784 | case 0x19e: map_key_clear(KEY_COFFEE); break; |
785 | case 0x1a6: map_key_clear(KEY_HELP); break; |
786 | case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; |
787 | case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; |
788 | case 0x1ae: map_key_clear(KEY_KEYBOARD); break; |
789 | case 0x1b6: map_key_clear(KEY_IMAGES); break; |
790 | case 0x1b7: map_key_clear(KEY_AUDIO); break; |
791 | case 0x1b8: map_key_clear(KEY_VIDEO); break; |
792 | case 0x1bc: map_key_clear(KEY_MESSENGER); break; |
793 | case 0x1bd: map_key_clear(KEY_INFO); break; |
794 | case 0x201: map_key_clear(KEY_NEW); break; |
795 | case 0x202: map_key_clear(KEY_OPEN); break; |
796 | case 0x203: map_key_clear(KEY_CLOSE); break; |
797 | case 0x204: map_key_clear(KEY_EXIT); break; |
798 | case 0x207: map_key_clear(KEY_SAVE); break; |
799 | case 0x208: map_key_clear(KEY_PRINT); break; |
800 | case 0x209: map_key_clear(KEY_PROPS); break; |
801 | case 0x21a: map_key_clear(KEY_UNDO); break; |
802 | case 0x21b: map_key_clear(KEY_COPY); break; |
803 | case 0x21c: map_key_clear(KEY_CUT); break; |
804 | case 0x21d: map_key_clear(KEY_PASTE); break; |
805 | case 0x21f: map_key_clear(KEY_FIND); break; |
806 | case 0x221: map_key_clear(KEY_SEARCH); break; |
807 | case 0x222: map_key_clear(KEY_GOTO); break; |
808 | case 0x223: map_key_clear(KEY_HOMEPAGE); break; |
809 | case 0x224: map_key_clear(KEY_BACK); break; |
810 | case 0x225: map_key_clear(KEY_FORWARD); break; |
811 | case 0x226: map_key_clear(KEY_STOP); break; |
812 | case 0x227: map_key_clear(KEY_REFRESH); break; |
813 | case 0x22a: map_key_clear(KEY_BOOKMARKS); break; |
814 | case 0x22d: map_key_clear(KEY_ZOOMIN); break; |
815 | case 0x22e: map_key_clear(KEY_ZOOMOUT); break; |
816 | case 0x22f: map_key_clear(KEY_ZOOMRESET); break; |
817 | case 0x233: map_key_clear(KEY_SCROLLUP); break; |
818 | case 0x234: map_key_clear(KEY_SCROLLDOWN); break; |
819 | case 0x238: map_rel(REL_HWHEEL); break; |
820 | case 0x23d: map_key_clear(KEY_EDIT); break; |
821 | case 0x25f: map_key_clear(KEY_CANCEL); break; |
822 | case 0x269: map_key_clear(KEY_INSERT); break; |
823 | case 0x26a: map_key_clear(KEY_DELETE); break; |
824 | case 0x279: map_key_clear(KEY_REDO); break; |
825 | |
826 | case 0x289: map_key_clear(KEY_REPLY); break; |
827 | case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; |
828 | case 0x28c: map_key_clear(KEY_SEND); break; |
829 | |
830 | default: goto ignore; |
831 | } |
832 | break; |
833 | |
834 | case HID_UP_GENDEVCTRLS: |
835 | if (hidinput_setup_battery(device, HID_INPUT_REPORT, field)) |
836 | goto ignore; |
837 | else |
838 | goto unknown; |
839 | break; |
840 | |
841 | case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ |
842 | set_bit(EV_REP, input->evbit); |
843 | switch (usage->hid & HID_USAGE) { |
844 | case 0x021: map_key_clear(KEY_PRINT); break; |
845 | case 0x070: map_key_clear(KEY_HP); break; |
846 | case 0x071: map_key_clear(KEY_CAMERA); break; |
847 | case 0x072: map_key_clear(KEY_SOUND); break; |
848 | case 0x073: map_key_clear(KEY_QUESTION); break; |
849 | case 0x080: map_key_clear(KEY_EMAIL); break; |
850 | case 0x081: map_key_clear(KEY_CHAT); break; |
851 | case 0x082: map_key_clear(KEY_SEARCH); break; |
852 | case 0x083: map_key_clear(KEY_CONNECT); break; |
853 | case 0x084: map_key_clear(KEY_FINANCE); break; |
854 | case 0x085: map_key_clear(KEY_SPORT); break; |
855 | case 0x086: map_key_clear(KEY_SHOP); break; |
856 | default: goto ignore; |
857 | } |
858 | break; |
859 | |
860 | case HID_UP_HPVENDOR2: |
861 | set_bit(EV_REP, input->evbit); |
862 | switch (usage->hid & HID_USAGE) { |
863 | case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break; |
864 | case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break; |
865 | default: goto ignore; |
866 | } |
867 | break; |
868 | |
869 | case HID_UP_MSVENDOR: |
870 | goto ignore; |
871 | |
872 | case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ |
873 | set_bit(EV_REP, input->evbit); |
874 | goto ignore; |
875 | |
876 | case HID_UP_LOGIVENDOR: |
877 | goto ignore; |
878 | |
879 | case HID_UP_PID: |
880 | switch (usage->hid & HID_USAGE) { |
881 | case 0xa4: map_key_clear(BTN_DEAD); break; |
882 | default: goto ignore; |
883 | } |
884 | break; |
885 | |
886 | default: |
887 | unknown: |
888 | if (field->report_size == 1) { |
889 | if (field->report->type == HID_OUTPUT_REPORT) { |
890 | map_led(LED_MISC); |
891 | break; |
892 | } |
893 | map_key(BTN_MISC); |
894 | break; |
895 | } |
896 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { |
897 | map_rel(REL_MISC); |
898 | break; |
899 | } |
900 | map_abs(ABS_MISC); |
901 | break; |
902 | } |
903 | |
904 | mapped: |
905 | if (device->driver->input_mapped && device->driver->input_mapped(device, |
906 | hidinput, field, usage, &bit, &max) < 0) |
907 | goto ignore; |
908 | |
909 | set_bit(usage->type, input->evbit); |
910 | |
911 | while (usage->code <= max && test_and_set_bit(usage->code, bit)) |
912 | usage->code = find_next_zero_bit(bit, max + 1, usage->code); |
913 | |
914 | if (usage->code > max) |
915 | goto ignore; |
916 | |
917 | |
918 | if (usage->type == EV_ABS) { |
919 | |
920 | int a = field->logical_minimum; |
921 | int b = field->logical_maximum; |
922 | |
923 | if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { |
924 | a = field->logical_minimum = 0; |
925 | b = field->logical_maximum = 255; |
926 | } |
927 | |
928 | if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) |
929 | input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); |
930 | else input_set_abs_params(input, usage->code, a, b, 0, 0); |
931 | |
932 | input_abs_set_res(input, usage->code, |
933 | hidinput_calc_abs_res(field, usage->code)); |
934 | |
935 | /* use a larger default input buffer for MT devices */ |
936 | if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) |
937 | input_set_events_per_packet(input, 60); |
938 | } |
939 | |
940 | if (usage->type == EV_ABS && |
941 | (usage->hat_min < usage->hat_max || usage->hat_dir)) { |
942 | int i; |
943 | for (i = usage->code; i < usage->code + 2 && i <= max; i++) { |
944 | input_set_abs_params(input, i, -1, 1, 0, 0); |
945 | set_bit(i, input->absbit); |
946 | } |
947 | if (usage->hat_dir && !field->dpad) |
948 | field->dpad = usage->code; |
949 | } |
950 | |
951 | /* for those devices which produce Consumer volume usage as relative, |
952 | * we emulate pressing volumeup/volumedown appropriate number of times |
953 | * in hidinput_hid_event() |
954 | */ |
955 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
956 | (usage->code == ABS_VOLUME)) { |
957 | set_bit(KEY_VOLUMEUP, input->keybit); |
958 | set_bit(KEY_VOLUMEDOWN, input->keybit); |
959 | } |
960 | |
961 | if (usage->type == EV_KEY) { |
962 | set_bit(EV_MSC, input->evbit); |
963 | set_bit(MSC_SCAN, input->mscbit); |
964 | } |
965 | |
966 | ignore: |
967 | return; |
968 | |
969 | } |
970 | |
971 | void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) |
972 | { |
973 | struct input_dev *input; |
974 | unsigned *quirks = &hid->quirks; |
975 | |
976 | if (!field->hidinput) |
977 | return; |
978 | |
979 | input = field->hidinput->input; |
980 | |
981 | if (!usage->type) |
982 | return; |
983 | |
984 | if (usage->hat_min < usage->hat_max || usage->hat_dir) { |
985 | int hat_dir = usage->hat_dir; |
986 | if (!hat_dir) |
987 | hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; |
988 | if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; |
989 | input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); |
990 | input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); |
991 | return; |
992 | } |
993 | |
994 | if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ |
995 | *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); |
996 | return; |
997 | } |
998 | |
999 | if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ |
1000 | if (value) { |
1001 | input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); |
1002 | return; |
1003 | } |
1004 | input_event(input, usage->type, usage->code, 0); |
1005 | input_event(input, usage->type, BTN_TOOL_RUBBER, 0); |
1006 | return; |
1007 | } |
1008 | |
1009 | if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ |
1010 | int a = field->logical_minimum; |
1011 | int b = field->logical_maximum; |
1012 | input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); |
1013 | } |
1014 | |
1015 | if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ |
1016 | dbg_hid("Maximum Effects - %d\n",value); |
1017 | return; |
1018 | } |
1019 | |
1020 | if (usage->hid == (HID_UP_PID | 0x7fUL)) { |
1021 | dbg_hid("PID Pool Report\n"); |
1022 | return; |
1023 | } |
1024 | |
1025 | if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ |
1026 | return; |
1027 | |
1028 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
1029 | (usage->code == ABS_VOLUME)) { |
1030 | int count = abs(value); |
1031 | int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; |
1032 | int i; |
1033 | |
1034 | for (i = 0; i < count; i++) { |
1035 | input_event(input, EV_KEY, direction, 1); |
1036 | input_sync(input); |
1037 | input_event(input, EV_KEY, direction, 0); |
1038 | input_sync(input); |
1039 | } |
1040 | return; |
1041 | } |
1042 | |
1043 | /* |
1044 | * Ignore out-of-range values as per HID specification, |
1045 | * section 5.10 and 6.2.25 |
1046 | */ |
1047 | if ((field->flags & HID_MAIN_ITEM_VARIABLE) && |
1048 | (value < field->logical_minimum || |
1049 | value > field->logical_maximum)) { |
1050 | dbg_hid("Ignoring out-of-range value %x\n", value); |
1051 | return; |
1052 | } |
1053 | |
1054 | /* report the usage code as scancode if the key status has changed */ |
1055 | if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) |
1056 | input_event(input, EV_MSC, MSC_SCAN, usage->hid); |
1057 | |
1058 | input_event(input, usage->type, usage->code, value); |
1059 | |
1060 | if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) |
1061 | input_event(input, usage->type, usage->code, 0); |
1062 | } |
1063 | |
1064 | void hidinput_report_event(struct hid_device *hid, struct hid_report *report) |
1065 | { |
1066 | struct hid_input *hidinput; |
1067 | |
1068 | if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) |
1069 | return; |
1070 | |
1071 | list_for_each_entry(hidinput, &hid->inputs, list) |
1072 | input_sync(hidinput->input); |
1073 | } |
1074 | EXPORT_SYMBOL_GPL(hidinput_report_event); |
1075 | |
1076 | int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) |
1077 | { |
1078 | struct hid_report *report; |
1079 | int i, j; |
1080 | |
1081 | list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { |
1082 | for (i = 0; i < report->maxfield; i++) { |
1083 | *field = report->field[i]; |
1084 | for (j = 0; j < (*field)->maxusage; j++) |
1085 | if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) |
1086 | return j; |
1087 | } |
1088 | } |
1089 | return -1; |
1090 | } |
1091 | EXPORT_SYMBOL_GPL(hidinput_find_field); |
1092 | |
1093 | struct hid_field *hidinput_get_led_field(struct hid_device *hid) |
1094 | { |
1095 | struct hid_report *report; |
1096 | struct hid_field *field; |
1097 | int i, j; |
1098 | |
1099 | list_for_each_entry(report, |
1100 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, |
1101 | list) { |
1102 | for (i = 0; i < report->maxfield; i++) { |
1103 | field = report->field[i]; |
1104 | for (j = 0; j < field->maxusage; j++) |
1105 | if (field->usage[j].type == EV_LED) |
1106 | return field; |
1107 | } |
1108 | } |
1109 | return NULL; |
1110 | } |
1111 | EXPORT_SYMBOL_GPL(hidinput_get_led_field); |
1112 | |
1113 | unsigned int hidinput_count_leds(struct hid_device *hid) |
1114 | { |
1115 | struct hid_report *report; |
1116 | struct hid_field *field; |
1117 | int i, j; |
1118 | unsigned int count = 0; |
1119 | |
1120 | list_for_each_entry(report, |
1121 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, |
1122 | list) { |
1123 | for (i = 0; i < report->maxfield; i++) { |
1124 | field = report->field[i]; |
1125 | for (j = 0; j < field->maxusage; j++) |
1126 | if (field->usage[j].type == EV_LED && |
1127 | field->value[j]) |
1128 | count += 1; |
1129 | } |
1130 | } |
1131 | return count; |
1132 | } |
1133 | EXPORT_SYMBOL_GPL(hidinput_count_leds); |
1134 | |
1135 | static int hidinput_open(struct input_dev *dev) |
1136 | { |
1137 | struct hid_device *hid = input_get_drvdata(dev); |
1138 | |
1139 | return hid_hw_open(hid); |
1140 | } |
1141 | |
1142 | static void hidinput_close(struct input_dev *dev) |
1143 | { |
1144 | struct hid_device *hid = input_get_drvdata(dev); |
1145 | |
1146 | hid_hw_close(hid); |
1147 | } |
1148 | |
1149 | static void report_features(struct hid_device *hid) |
1150 | { |
1151 | struct hid_driver *drv = hid->driver; |
1152 | struct hid_report_enum *rep_enum; |
1153 | struct hid_report *rep; |
1154 | int i, j; |
1155 | |
1156 | rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; |
1157 | list_for_each_entry(rep, &rep_enum->report_list, list) |
1158 | for (i = 0; i < rep->maxfield; i++) |
1159 | for (j = 0; j < rep->field[i]->maxusage; j++) { |
1160 | /* Verify if Battery Strength feature is available */ |
1161 | hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]); |
1162 | |
1163 | if (drv->feature_mapping) |
1164 | drv->feature_mapping(hid, rep->field[i], |
1165 | rep->field[i]->usage + j); |
1166 | } |
1167 | } |
1168 | |
1169 | static struct hid_input *hidinput_allocate(struct hid_device *hid) |
1170 | { |
1171 | struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); |
1172 | struct input_dev *input_dev = input_allocate_device(); |
1173 | if (!hidinput || !input_dev) { |
1174 | kfree(hidinput); |
1175 | input_free_device(input_dev); |
1176 | hid_err(hid, "Out of memory during hid input probe\n"); |
1177 | return NULL; |
1178 | } |
1179 | |
1180 | input_set_drvdata(input_dev, hid); |
1181 | input_dev->event = hid->ll_driver->hidinput_input_event; |
1182 | input_dev->open = hidinput_open; |
1183 | input_dev->close = hidinput_close; |
1184 | input_dev->setkeycode = hidinput_setkeycode; |
1185 | input_dev->getkeycode = hidinput_getkeycode; |
1186 | |
1187 | input_dev->name = hid->name; |
1188 | input_dev->phys = hid->phys; |
1189 | input_dev->uniq = hid->uniq; |
1190 | input_dev->id.bustype = hid->bus; |
1191 | input_dev->id.vendor = hid->vendor; |
1192 | input_dev->id.product = hid->product; |
1193 | input_dev->id.version = hid->version; |
1194 | input_dev->dev.parent = hid->dev.parent; |
1195 | hidinput->input = input_dev; |
1196 | list_add_tail(&hidinput->list, &hid->inputs); |
1197 | |
1198 | return hidinput; |
1199 | } |
1200 | |
1201 | /* |
1202 | * Register the input device; print a message. |
1203 | * Configure the input layer interface |
1204 | * Read all reports and initialize the absolute field values. |
1205 | */ |
1206 | |
1207 | int hidinput_connect(struct hid_device *hid, unsigned int force) |
1208 | { |
1209 | struct hid_driver *drv = hid->driver; |
1210 | struct hid_report *report; |
1211 | struct hid_input *hidinput = NULL; |
1212 | int i, j, k; |
1213 | |
1214 | INIT_LIST_HEAD(&hid->inputs); |
1215 | |
1216 | if (!force) { |
1217 | for (i = 0; i < hid->maxcollection; i++) { |
1218 | struct hid_collection *col = &hid->collection[i]; |
1219 | if (col->type == HID_COLLECTION_APPLICATION || |
1220 | col->type == HID_COLLECTION_PHYSICAL) |
1221 | if (IS_INPUT_APPLICATION(col->usage)) |
1222 | break; |
1223 | } |
1224 | |
1225 | if (i == hid->maxcollection) |
1226 | return -1; |
1227 | } |
1228 | |
1229 | report_features(hid); |
1230 | |
1231 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { |
1232 | if (k == HID_OUTPUT_REPORT && |
1233 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) |
1234 | continue; |
1235 | |
1236 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { |
1237 | |
1238 | if (!report->maxfield) |
1239 | continue; |
1240 | |
1241 | if (!hidinput) { |
1242 | hidinput = hidinput_allocate(hid); |
1243 | if (!hidinput) |
1244 | goto out_unwind; |
1245 | } |
1246 | |
1247 | for (i = 0; i < report->maxfield; i++) |
1248 | for (j = 0; j < report->field[i]->maxusage; j++) |
1249 | hidinput_configure_usage(hidinput, report->field[i], |
1250 | report->field[i]->usage + j); |
1251 | |
1252 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) { |
1253 | /* This will leave hidinput NULL, so that it |
1254 | * allocates another one if we have more inputs on |
1255 | * the same interface. Some devices (e.g. Happ's |
1256 | * UGCI) cram a lot of unrelated inputs into the |
1257 | * same interface. */ |
1258 | hidinput->report = report; |
1259 | if (drv->input_configured) |
1260 | drv->input_configured(hid, hidinput); |
1261 | if (input_register_device(hidinput->input)) |
1262 | goto out_cleanup; |
1263 | hidinput = NULL; |
1264 | } |
1265 | } |
1266 | } |
1267 | |
1268 | if (hidinput) { |
1269 | if (drv->input_configured) |
1270 | drv->input_configured(hid, hidinput); |
1271 | if (input_register_device(hidinput->input)) |
1272 | goto out_cleanup; |
1273 | } |
1274 | |
1275 | return 0; |
1276 | |
1277 | out_cleanup: |
1278 | list_del(&hidinput->list); |
1279 | input_free_device(hidinput->input); |
1280 | kfree(hidinput); |
1281 | out_unwind: |
1282 | /* unwind the ones we already registered */ |
1283 | hidinput_disconnect(hid); |
1284 | |
1285 | return -1; |
1286 | } |
1287 | EXPORT_SYMBOL_GPL(hidinput_connect); |
1288 | |
1289 | void hidinput_disconnect(struct hid_device *hid) |
1290 | { |
1291 | struct hid_input *hidinput, *next; |
1292 | |
1293 | hidinput_cleanup_battery(hid); |
1294 | |
1295 | list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
1296 | list_del(&hidinput->list); |
1297 | input_unregister_device(hidinput->input); |
1298 | kfree(hidinput); |
1299 | } |
1300 | } |
1301 | EXPORT_SYMBOL_GPL(hidinput_disconnect); |
1302 | |
1303 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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