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Input: MT - Allow legacy pressure computation
[deliverable/linux.git] / drivers / hid / hid-input.c
CommitLineData
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
39static 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
58static 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		 73static 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		 79static 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		 88static 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		 94typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
95 unsigned int cur_idx, unsigned int val);
96
fe7ba31f 97static 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		 126static 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 143static 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 164static 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
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
NK		 210 */
211static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
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:
4ea6e4ff 232 if (field->unit == 0x11) { /* If centimeters */
83ed79c5
DT		 233 /* Convert to millimeters */
234 unit_exponent += 1;
235 } else if (field->unit == 0x13) { /* If inches */
236 /* Convert to millimeters */
237 prev = physical_extents;
238 physical_extents *= 254;
239 if (physical_extents < prev)
4ea6e4ff 240 return 0;
83ed79c5
DT		 241 unit_exponent -= 1;
242 } else {
4ea6e4ff
NK		 243 return 0;
244 }
b73b2da0
NK		 245 break;
246
247 case ABS_RX:
248 case ABS_RY:
249 case ABS_RZ:
250 case ABS_TILT_X:
251 case ABS_TILT_Y:
4ea6e4ff
NK		 252 if (field->unit == 0x14) { /* If degrees */
253 /* Convert to radians */
254 prev = logical_extents;
255 logical_extents *= 573;
256 if (logical_extents < prev)
257 return 0;
258 unit_exponent += 1;
259 } else if (field->unit != 0x12) { /* If not radians */
260 return 0;
261 }
b73b2da0
NK		 262 break;
263
264 default:
4ea6e4ff
NK		 265 return 0;
266 }
267
268 /* Apply negative unit exponent */
269 for (; unit_exponent < 0; unit_exponent++) {
270 prev = logical_extents;
271 logical_extents *= 10;
272 if (logical_extents < prev)
273 return 0;
274 }
275 /* Apply positive unit exponent */
276 for (; unit_exponent > 0; unit_exponent--) {
277 prev = physical_extents;
278 physical_extents *= 10;
279 if (physical_extents < prev)
280 return 0;
281 }
282
283 /* Calculate resolution */
284 return logical_extents / physical_extents;
285}
286
4f5ca836
JF		 287#ifdef CONFIG_HID_BATTERY_STRENGTH
288static enum power_supply_property hidinput_battery_props[] = {
289 POWER_SUPPLY_PROP_PRESENT,
290 POWER_SUPPLY_PROP_ONLINE,
291 POWER_SUPPLY_PROP_CAPACITY,
292 POWER_SUPPLY_PROP_MODEL_NAME,
45d9c273
JF		 293 POWER_SUPPLY_PROP_STATUS,
294 POWER_SUPPLY_PROP_SCOPE,
4f5ca836
JF		 295};
296
bbc21cfd 297#define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */
652aa6a9 298#define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */
bbc21cfd
JF		 299
300static const struct hid_device_id hid_battery_quirks[] = {
652aa6a9
JF		 301 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
302 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
303 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
0c47935c
DN		 304 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
305 USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
306 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
bbc21cfd
JF		 307 {}
308};
309
310static unsigned find_battery_quirk(struct hid_device *hdev)
311{
312 unsigned quirks = 0;
313 const struct hid_device_id *match;
314
315 match = hid_match_id(hdev, hid_battery_quirks);
316 if (match != NULL)
317 quirks = match->driver_data;
318
319 return quirks;
320}
321
4f5ca836
JF		 322static int hidinput_get_battery_property(struct power_supply *psy,
323 enum power_supply_property prop,
324 union power_supply_propval *val)
325{
326 struct hid_device *dev = container_of(psy, struct hid_device, battery);
327 int ret = 0;
ef525199 328 __u8 buf[2] = {};
4f5ca836
JF		 329
330 switch (prop) {
331 case POWER_SUPPLY_PROP_PRESENT:
332 case POWER_SUPPLY_PROP_ONLINE:
333 val->intval = 1;
334 break;
335
336 case POWER_SUPPLY_PROP_CAPACITY:
652aa6a9
JF		 337 ret = dev->hid_get_raw_report(dev, dev->battery_report_id,
338 buf, sizeof(buf),
339 dev->battery_report_type);
340
341 if (ret != 2) {
342 if (ret >= 0)
343 ret = -EINVAL;
c5a92aa3
DN		 344 break;
345 }
346
4f5ca836 347 if (dev->battery_min < dev->battery_max &&
bbc21cfd
JF		 348 buf[1] >= dev->battery_min &&
349 buf[1] <= dev->battery_max)
350 val->intval = (100 * (buf[1] - dev->battery_min)) /
4f5ca836 351 (dev->battery_max - dev->battery_min);
4f5ca836
JF		 352 break;
353
354 case POWER_SUPPLY_PROP_MODEL_NAME:
355 val->strval = dev->name;
356 break;
357
c5a92aa3
DN		 358 case POWER_SUPPLY_PROP_STATUS:
359 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
360 break;
361
45d9c273
JF		 362 case POWER_SUPPLY_PROP_SCOPE:
363 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
364 break;
365
4f5ca836
JF		 366 default:
367 ret = -EINVAL;
368 break;
369 }
370
371 return ret;
372}
373
2f2e3f6d 374static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field)
4f5ca836
JF		 375{
376 struct power_supply *battery = &dev->battery;
377 int ret;
bbc21cfd 378 unsigned quirks;
2f2e3f6d
JF		 379 s32 min, max;
380
381 if (field->usage->hid != HID_DC_BATTERYSTRENGTH)
382 return false; /* no match */
4f5ca836
JF		 383
384 if (battery->name != NULL)
2f2e3f6d 385 goto out; /* already initialized? */
4f5ca836
JF		 386
387 battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
388 if (battery->name == NULL)
2f2e3f6d 389 goto out;
4f5ca836
JF		 390
391 battery->type = POWER_SUPPLY_TYPE_BATTERY;
392 battery->properties = hidinput_battery_props;
393 battery->num_properties = ARRAY_SIZE(hidinput_battery_props);
394 battery->use_for_apm = 0;
395 battery->get_property = hidinput_get_battery_property;
396
bbc21cfd
JF		 397 quirks = find_battery_quirk(dev);
398
652aa6a9
JF		 399 hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
400 dev->bus, dev->vendor, dev->product, dev->version, quirks);
401
2f2e3f6d
JF		 402 min = field->logical_minimum;
403 max = field->logical_maximum;
404
bbc21cfd
JF		 405 if (quirks & HID_BATTERY_QUIRK_PERCENT) {
406 min = 0;
407 max = 100;
408 }
409
652aa6a9
JF		 410 if (quirks & HID_BATTERY_QUIRK_FEATURE)
411 report_type = HID_FEATURE_REPORT;
412
4f5ca836
JF		 413 dev->battery_min = min;
414 dev->battery_max = max;
fb8ac91b 415 dev->battery_report_type = report_type;
2f2e3f6d 416 dev->battery_report_id = field->report->id;
4f5ca836
JF		 417
418 ret = power_supply_register(&dev->dev, battery);
419 if (ret != 0) {
420 hid_warn(dev, "can't register power supply: %d\n", ret);
421 kfree(battery->name);
422 battery->name = NULL;
423 }
2f2e3f6d 424
45d9c273
JF		 425 power_supply_powers(battery, &dev->dev);
426
2f2e3f6d
JF		 427out:
428 return true;
4f5ca836
JF		 429}
430
431static void hidinput_cleanup_battery(struct hid_device *dev)
432{
433 if (!dev->battery.name)
434 return;
435
436 power_supply_unregister(&dev->battery);
437 kfree(dev->battery.name);
438 dev->battery.name = NULL;
439}
440#else /* !CONFIG_HID_BATTERY_STRENGTH */
2f2e3f6d
JF		 441static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
442 struct hid_field *field)
4f5ca836 443{
2f2e3f6d 444 return false;
4f5ca836
JF		 445}
446
447static void hidinput_cleanup_battery(struct hid_device *dev)
448{
449}
450#endif /* CONFIG_HID_BATTERY_STRENGTH */
451
dde5845a
JK		 452static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
453 struct hid_usage *usage)
454{
455 struct input_dev *input = hidinput->input;
e0712985 456 struct hid_device *device = input_get_drvdata(input);
3715ade9 457 int max = 0, code;
dde5845a
JK		 458 unsigned long *bit = NULL;
459
460 field->hidinput = hidinput;
461
dde5845a
JK		 462 if (field->flags & HID_MAIN_ITEM_CONSTANT)
463 goto ignore;
464
82eb1219
JK		 465 /* only LED usages are supported in output fields */
466 if (field->report_type == HID_OUTPUT_REPORT &&
467 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
82eb1219
JK		 468 goto ignore;
469 }
470
c500c971
JS		 471 if (device->driver->input_mapping) {
472 int ret = device->driver->input_mapping(device, hidinput, field,
473 usage, &bit, &max);
474 if (ret > 0)
475 goto mapped;
476 if (ret < 0)
477 goto ignore;
478 }
479
dde5845a 480 switch (usage->hid & HID_USAGE_PAGE) {
880d29f1
JS		 481 case HID_UP_UNDEFINED:
482 goto ignore;
dde5845a 483
880d29f1
JS		 484 case HID_UP_KEYBOARD:
485 set_bit(EV_REP, input->evbit);
dde5845a 486
880d29f1
JS		 487 if ((usage->hid & HID_USAGE) < 256) {
488 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
489 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
490 } else
491 map_key(KEY_UNKNOWN);
dde5845a 492
880d29f1 493 break;
dde5845a 494
880d29f1 495 case HID_UP_BUTTON:
7f978b9b 496 code = ((usage->hid - 1) & HID_USAGE);
dde5845a 497
880d29f1
JS		 498 switch (field->application) {
499 case HID_GD_MOUSE:
1874542d 500 case HID_GD_POINTER: code += BTN_MOUSE; break;
cf2f765f 501 case HID_GD_JOYSTICK:
fc99f22c
DM		 502 if (code <= 0xf)
503 code += BTN_JOYSTICK;
504 else
505 code += BTN_TRIGGER_HAPPY;
506 break;
1874542d 507 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
880d29f1
JS		 508 default:
509 switch (field->physical) {
510 case HID_GD_MOUSE:
1874542d
FF		 511 case HID_GD_POINTER: code += BTN_MOUSE; break;
512 case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break;
513 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
514 default: code += BTN_MISC;
dde5845a 515 }
880d29f1 516 }
dde5845a 517
880d29f1
JS		 518 map_key(code);
519 break;
520
521 case HID_UP_SIMULATION:
522 switch (usage->hid & 0xffff) {
523 case 0xba: map_abs(ABS_RUDDER); break;
524 case 0xbb: map_abs(ABS_THROTTLE); break;
525 case 0xc4: map_abs(ABS_GAS); break;
526 case 0xc5: map_abs(ABS_BRAKE); break;
527 case 0xc8: map_abs(ABS_WHEEL); break;
528 default: goto ignore;
529 }
530 break;
531
532 case HID_UP_GENDESK:
533 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
534 switch (usage->hid & 0xf) {
535 case 0x1: map_key_clear(KEY_POWER); break;
536 case 0x2: map_key_clear(KEY_SLEEP); break;
537 case 0x3: map_key_clear(KEY_WAKEUP); break;
437f3b19
JW		 538 case 0x4: map_key_clear(KEY_CONTEXT_MENU); break;
539 case 0x5: map_key_clear(KEY_MENU); break;
540 case 0x6: map_key_clear(KEY_PROG1); break;
541 case 0x7: map_key_clear(KEY_HELP); break;
542 case 0x8: map_key_clear(KEY_EXIT); break;
543 case 0x9: map_key_clear(KEY_SELECT); break;
544 case 0xa: map_key_clear(KEY_RIGHT); break;
545 case 0xb: map_key_clear(KEY_LEFT); break;
546 case 0xc: map_key_clear(KEY_UP); break;
547 case 0xd: map_key_clear(KEY_DOWN); break;
548 case 0xe: map_key_clear(KEY_POWER2); break;
549 case 0xf: map_key_clear(KEY_RESTART); break;
880d29f1 550 default: goto unknown;
dde5845a
JK		 551 }
552 break;
880d29f1 553 }
dde5845a 554
880d29f1 555 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
dde5845a 556 switch (usage->hid) {
880d29f1
JS		 557 case HID_GD_UP: usage->hat_dir = 1; break;
558 case HID_GD_DOWN: usage->hat_dir = 5; break;
559 case HID_GD_RIGHT: usage->hat_dir = 3; break;
560 case HID_GD_LEFT: usage->hat_dir = 7; break;
561 default: goto unknown;
dde5845a 562 }
880d29f1
JS		 563 if (field->dpad) {
564 map_abs(field->dpad);
565 goto ignore;
d4ae650a 566 }
880d29f1 567 map_abs(ABS_HAT0X);
dde5845a 568 break;
880d29f1 569 }
dde5845a 570
880d29f1
JS		 571 switch (usage->hid) {
572 /* These usage IDs map directly to the usage codes. */
573 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
574 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
575 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
576 if (field->flags & HID_MAIN_ITEM_RELATIVE)
577 map_rel(usage->hid & 0xf);
578 else
579 map_abs(usage->hid & 0xf);
580 break;
dde5845a 581
880d29f1
JS		 582 case HID_GD_HATSWITCH:
583 usage->hat_min = field->logical_minimum;
584 usage->hat_max = field->logical_maximum;
585 map_abs(ABS_HAT0X);
586 break;
dde5845a 587
880d29f1
JS		 588 case HID_GD_START: map_key_clear(BTN_START); break;
589 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
dde5845a 590
880d29f1
JS		 591 default: goto unknown;
592 }
dde5845a 593
880d29f1
JS		 594 break;
595
596 case HID_UP_LED:
597 switch (usage->hid & 0xffff) { /* HID-Value: */
598 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
599 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
600 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
601 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
602 case 0x05: map_led (LED_KANA); break; /* "Kana" */
603 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
604 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
605 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
606 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
607 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
608 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
609
610 default: goto ignore;
611 }
612 break;
613
614 case HID_UP_DIGITIZER:
615 switch (usage->hid & 0xff) {
8c8b01c3
FB		 616 case 0x00: /* Undefined */
617 goto ignore;
618
880d29f1
JS		 619 case 0x30: /* TipPressure */
620 if (!test_bit(BTN_TOUCH, input->keybit)) {
621 device->quirks |= HID_QUIRK_NOTOUCH;
622 set_bit(EV_KEY, input->evbit);
623 set_bit(BTN_TOUCH, input->keybit);
dde5845a 624 }
880d29f1 625 map_abs_clear(ABS_PRESSURE);
dde5845a
JK		 626 break;
627
880d29f1
JS		 628 case 0x32: /* InRange */
629 switch (field->physical & 0xff) {
630 case 0x21: map_key(BTN_TOOL_MOUSE); break;
631 case 0x22: map_key(BTN_TOOL_FINGER); break;
632 default: map_key(BTN_TOOL_PEN); break;
dde5845a
JK		 633 }
634 break;
635
880d29f1
JS		 636 case 0x3c: /* Invert */
637 map_key_clear(BTN_TOOL_RUBBER);
dde5845a
JK		 638 break;
639
b73b2da0
NK		 640 case 0x3d: /* X Tilt */
641 map_abs_clear(ABS_TILT_X);
642 break;
643
644 case 0x3e: /* Y Tilt */
645 map_abs_clear(ABS_TILT_Y);
646 break;
647
880d29f1
JS		 648 case 0x33: /* Touch */
649 case 0x42: /* TipSwitch */
650 case 0x43: /* TipSwitch2 */
651 device->quirks &= ~HID_QUIRK_NOTOUCH;
652 map_key_clear(BTN_TOUCH);
653 break;
dde5845a 654
880d29f1
JS		 655 case 0x44: /* BarrelSwitch */
656 map_key_clear(BTN_STYLUS);
657 break;
dde5845a 658
50b63697
NK		 659 case 0x46: /* TabletPick */
660 map_key_clear(BTN_STYLUS2);
661 break;
662
880d29f1
JS		 663 default: goto unknown;
664 }
665 break;
666
437f3b19 667 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */
880d29f1
JS		 668 switch (usage->hid & HID_USAGE) {
669 case 0x000: goto ignore;
437f3b19
JW		 670 case 0x030: map_key_clear(KEY_POWER); break;
671 case 0x031: map_key_clear(KEY_RESTART); break;
672 case 0x032: map_key_clear(KEY_SLEEP); break;
880d29f1 673 case 0x034: map_key_clear(KEY_SLEEP); break;
437f3b19 674 case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break;
880d29f1
JS		 675 case 0x036: map_key_clear(BTN_MISC); break;
676
437f3b19
JW		 677 case 0x040: map_key_clear(KEY_MENU); break; /* Menu */
678 case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */
679 case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */
680 case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */
681 case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */
682 case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */
683 case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */
684 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */
685 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */
686
687 case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */
688 case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */
689 case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */
690 case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */
691 case 0x069: map_key_clear(KEY_RED); break;
692 case 0x06a: map_key_clear(KEY_GREEN); break;
693 case 0x06b: map_key_clear(KEY_BLUE); break;
694 case 0x06c: map_key_clear(KEY_YELLOW); break;
695 case 0x06d: map_key_clear(KEY_ZOOM); break;
696
697 case 0x082: map_key_clear(KEY_VIDEO_NEXT); break;
880d29f1 698 case 0x083: map_key_clear(KEY_LAST); break;
437f3b19 699 case 0x084: map_key_clear(KEY_ENTER); break;
880d29f1
JS		 700 case 0x088: map_key_clear(KEY_PC); break;
701 case 0x089: map_key_clear(KEY_TV); break;
702 case 0x08a: map_key_clear(KEY_WWW); break;
703 case 0x08b: map_key_clear(KEY_DVD); break;
704 case 0x08c: map_key_clear(KEY_PHONE); break;
705 case 0x08d: map_key_clear(KEY_PROGRAM); break;
706 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
707 case 0x08f: map_key_clear(KEY_GAMES); break;
708 case 0x090: map_key_clear(KEY_MEMO); break;
709 case 0x091: map_key_clear(KEY_CD); break;
710 case 0x092: map_key_clear(KEY_VCR); break;
711 case 0x093: map_key_clear(KEY_TUNER); break;
712 case 0x094: map_key_clear(KEY_EXIT); break;
713 case 0x095: map_key_clear(KEY_HELP); break;
714 case 0x096: map_key_clear(KEY_TAPE); break;
715 case 0x097: map_key_clear(KEY_TV2); break;
716 case 0x098: map_key_clear(KEY_SAT); break;
717 case 0x09a: map_key_clear(KEY_PVR); break;
718
719 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
720 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
721 case 0x0a0: map_key_clear(KEY_VCR2); break;
722
723 case 0x0b0: map_key_clear(KEY_PLAY); break;
724 case 0x0b1: map_key_clear(KEY_PAUSE); break;
725 case 0x0b2: map_key_clear(KEY_RECORD); break;
726 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
727 case 0x0b4: map_key_clear(KEY_REWIND); break;
728 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
729 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
730 case 0x0b7: map_key_clear(KEY_STOPCD); break;
731 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
732 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
437f3b19
JW		 733 case 0x0b9: map_key_clear(KEY_SHUFFLE); break;
734 case 0x0bf: map_key_clear(KEY_SLOW); break;
880d29f1
JS		 735
736 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
737 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
738 case 0x0e2: map_key_clear(KEY_MUTE); break;
739 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
740 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
741 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
437f3b19 742 case 0x0f5: map_key_clear(KEY_SLOW); break;
880d29f1
JS		 743
744 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
745 case 0x183: map_key_clear(KEY_CONFIG); break;
746 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
747 case 0x185: map_key_clear(KEY_EDITOR); break;
748 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
749 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
750 case 0x188: map_key_clear(KEY_PRESENTATION); break;
751 case 0x189: map_key_clear(KEY_DATABASE); break;
752 case 0x18a: map_key_clear(KEY_MAIL); break;
753 case 0x18b: map_key_clear(KEY_NEWS); break;
754 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
755 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
756 case 0x18e: map_key_clear(KEY_CALENDAR); break;
757 case 0x191: map_key_clear(KEY_FINANCE); break;
758 case 0x192: map_key_clear(KEY_CALC); break;
437f3b19 759 case 0x193: map_key_clear(KEY_PLAYER); break;
880d29f1
JS		 760 case 0x194: map_key_clear(KEY_FILE); break;
761 case 0x196: map_key_clear(KEY_WWW); break;
0690535d 762 case 0x199: map_key_clear(KEY_CHAT); break;
880d29f1
JS		 763 case 0x19c: map_key_clear(KEY_LOGOFF); break;
764 case 0x19e: map_key_clear(KEY_COFFEE); break;
765 case 0x1a6: map_key_clear(KEY_HELP); break;
766 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
767 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
437f3b19
JW		 768 case 0x1ae: map_key_clear(KEY_KEYBOARD); break;
769 case 0x1b6: map_key_clear(KEY_IMAGES); break;
770 case 0x1b7: map_key_clear(KEY_AUDIO); break;
771 case 0x1b8: map_key_clear(KEY_VIDEO); break;
880d29f1
JS		 772 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
773 case 0x1bd: map_key_clear(KEY_INFO); break;
774 case 0x201: map_key_clear(KEY_NEW); break;
775 case 0x202: map_key_clear(KEY_OPEN); break;
776 case 0x203: map_key_clear(KEY_CLOSE); break;
777 case 0x204: map_key_clear(KEY_EXIT); break;
778 case 0x207: map_key_clear(KEY_SAVE); break;
779 case 0x208: map_key_clear(KEY_PRINT); break;
780 case 0x209: map_key_clear(KEY_PROPS); break;
781 case 0x21a: map_key_clear(KEY_UNDO); break;
782 case 0x21b: map_key_clear(KEY_COPY); break;
783 case 0x21c: map_key_clear(KEY_CUT); break;
784 case 0x21d: map_key_clear(KEY_PASTE); break;
785 case 0x21f: map_key_clear(KEY_FIND); break;
786 case 0x221: map_key_clear(KEY_SEARCH); break;
787 case 0x222: map_key_clear(KEY_GOTO); break;
788 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
789 case 0x224: map_key_clear(KEY_BACK); break;
790 case 0x225: map_key_clear(KEY_FORWARD); break;
791 case 0x226: map_key_clear(KEY_STOP); break;
792 case 0x227: map_key_clear(KEY_REFRESH); break;
793 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
794 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
795 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
796 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
797 case 0x233: map_key_clear(KEY_SCROLLUP); break;
798 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
799 case 0x238: map_rel(REL_HWHEEL); break;
437f3b19 800 case 0x23d: map_key_clear(KEY_EDIT); break;
880d29f1 801 case 0x25f: map_key_clear(KEY_CANCEL); break;
437f3b19
JW		 802 case 0x269: map_key_clear(KEY_INSERT); break;
803 case 0x26a: map_key_clear(KEY_DELETE); break;
880d29f1
JS		 804 case 0x279: map_key_clear(KEY_REDO); break;
805
806 case 0x289: map_key_clear(KEY_REPLY); break;
807 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
808 case 0x28c: map_key_clear(KEY_SEND); break;
809
810 default: goto ignore;
811 }
812 break;
813
4f5ca836 814 case HID_UP_GENDEVCTRLS:
2f2e3f6d 815 if (hidinput_setup_battery(device, HID_INPUT_REPORT, field))
4f5ca836 816 goto ignore;
2f2e3f6d 817 else
4f5ca836
JF		 818 goto unknown;
819 break;
820
880d29f1
JS		 821 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
822 set_bit(EV_REP, input->evbit);
823 switch (usage->hid & HID_USAGE) {
824 case 0x021: map_key_clear(KEY_PRINT); break;
825 case 0x070: map_key_clear(KEY_HP); break;
826 case 0x071: map_key_clear(KEY_CAMERA); break;
827 case 0x072: map_key_clear(KEY_SOUND); break;
828 case 0x073: map_key_clear(KEY_QUESTION); break;
829 case 0x080: map_key_clear(KEY_EMAIL); break;
830 case 0x081: map_key_clear(KEY_CHAT); break;
831 case 0x082: map_key_clear(KEY_SEARCH); break;
832 case 0x083: map_key_clear(KEY_CONNECT); break;
833 case 0x084: map_key_clear(KEY_FINANCE); break;
834 case 0x085: map_key_clear(KEY_SPORT); break;
835 case 0x086: map_key_clear(KEY_SHOP); break;
929578ab
KYL		 836 default: goto ignore;
837 }
838 break;
839
840 case HID_UP_HPVENDOR2:
841 set_bit(EV_REP, input->evbit);
842 switch (usage->hid & HID_USAGE) {
843 case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break;
844 case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break;
880d29f1
JS		 845 default: goto ignore;
846 }
847 break;
dde5845a 848
880d29f1
JS		 849 case HID_UP_MSVENDOR:
850 goto ignore;
dde5845a 851
880d29f1
JS		 852 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
853 set_bit(EV_REP, input->evbit);
854 goto ignore;
dde5845a 855
880d29f1
JS		 856 case HID_UP_LOGIVENDOR:
857 goto ignore;
fc99f22c 858
880d29f1
JS		 859 case HID_UP_PID:
860 switch (usage->hid & HID_USAGE) {
861 case 0xa4: map_key_clear(BTN_DEAD); break;
862 default: goto ignore;
863 }
864 break;
dde5845a 865
880d29f1
JS		 866 default:
867 unknown:
868 if (field->report_size == 1) {
869 if (field->report->type == HID_OUTPUT_REPORT) {
870 map_led(LED_MISC);
dde5845a
JK		 871 break;
872 }
880d29f1 873 map_key(BTN_MISC);
dde5845a 874 break;
880d29f1
JS		 875 }
876 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
877 map_rel(REL_MISC);
878 break;
879 }
880 map_abs(ABS_MISC);
881 break;
dde5845a
JK		 882 }
883
10bd065f 884mapped:
c500c971
JS		 885 if (device->driver->input_mapped && device->driver->input_mapped(device,
886 hidinput, field, usage, &bit, &max) < 0)
887 goto ignore;
888
dde5845a
JK		 889 set_bit(usage->type, input->evbit);
890
891 while (usage->code <= max && test_and_set_bit(usage->code, bit))
892 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
893
894 if (usage->code > max)
895 goto ignore;
896
897
898 if (usage->type == EV_ABS) {
899
900 int a = field->logical_minimum;
901 int b = field->logical_maximum;
902
903 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
904 a = field->logical_minimum = 0;
905 b = field->logical_maximum = 255;
906 }
907
908 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
909 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
910 else input_set_abs_params(input, usage->code, a, b, 0, 0);
911
4ea6e4ff
NK		 912 input_abs_set_res(input, usage->code,
913 hidinput_calc_abs_res(field, usage->code));
914
6967b4d9
HR		 915 /* use a larger default input buffer for MT devices */
916 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
917 input_set_events_per_packet(input, 60);
dde5845a
JK		 918 }
919
920 if (usage->type == EV_ABS &&
921 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
922 int i;
923 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
924 input_set_abs_params(input, i, -1, 1, 0, 0);
925 set_bit(i, input->absbit);
926 }
927 if (usage->hat_dir && !field->dpad)
928 field->dpad = usage->code;
929 }
930
2c1d8aea
JK		 931 /* for those devices which produce Consumer volume usage as relative,
932 * we emulate pressing volumeup/volumedown appropriate number of times
933 * in hidinput_hid_event()
934 */
935 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
936 (usage->code == ABS_VOLUME)) {
937 set_bit(KEY_VOLUMEUP, input->keybit);
938 set_bit(KEY_VOLUMEDOWN, input->keybit);
939 }
940
c01d50d1
JK		 941 if (usage->type == EV_KEY) {
942 set_bit(EV_MSC, input->evbit);
943 set_bit(MSC_SCAN, input->mscbit);
944 }
945
dde5845a 946ignore:
dde5845a 947 return;
a635f9dd 948
dde5845a
JK		 949}
950
951void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
952{
953 struct input_dev *input;
b4482a4b 954 unsigned *quirks = &hid->quirks;
dde5845a
JK		 955
956 if (!field->hidinput)
957 return;
958
959 input = field->hidinput->input;
960
961 if (!usage->type)
962 return;
963
dde5845a
JK		 964 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
965 int hat_dir = usage->hat_dir;
966 if (!hat_dir)
967 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
968 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
969 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
fc99f22c
DM		 970 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
971 return;
972 }
dde5845a
JK		 973
974 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
975 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
976 return;
977 }
978
979 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
980 if (value) {
981 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
982 return;
983 }
984 input_event(input, usage->type, usage->code, 0);
985 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
986 return;
987 }
988
989 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
990 int a = field->logical_minimum;
991 int b = field->logical_maximum;
992 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
993 }
994
995 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
58037eb9 996 dbg_hid("Maximum Effects - %d\n",value);
dde5845a
JK		 997 return;
998 }
999
1000 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
58037eb9 1001 dbg_hid("PID Pool Report\n");
dde5845a
JK		 1002 return;
1003 }
1004
1005 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1006 return;
1007
2c1d8aea
JK		 1008 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1009 (usage->code == ABS_VOLUME)) {
1010 int count = abs(value);
1011 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1012 int i;
1013
1014 for (i = 0; i < count; i++) {
1015 input_event(input, EV_KEY, direction, 1);
1016 input_sync(input);
1017 input_event(input, EV_KEY, direction, 0);
1018 input_sync(input);
1019 }
1020 return;
1021 }
1022
883e0e36
NK		 1023 /*
1024 * Ignore out-of-range values as per HID specification,
1025 * section 5.10 and 6.2.25
1026 */
1027 if ((field->flags & HID_MAIN_ITEM_VARIABLE) &&
1028 (value < field->logical_minimum ||
1029 value > field->logical_maximum)) {
6da70669
JK		 1030 dbg_hid("Ignoring out-of-range value %x\n", value);
1031 return;
1032 }
1033
c01d50d1
JK		 1034 /* report the usage code as scancode if the key status has changed */
1035 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1036 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1fe8736d 1037
dde5845a
JK		 1038 input_event(input, usage->type, usage->code, value);
1039
1040 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1041 input_event(input, usage->type, usage->code, 0);
1042}
1043
1044void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1045{
1046 struct hid_input *hidinput;
1047
24750f3e
HR		 1048 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
1049 return;
1050
dde5845a
JK		 1051 list_for_each_entry(hidinput, &hid->inputs, list)
1052 input_sync(hidinput->input);
1053}
229695e5 1054EXPORT_SYMBOL_GPL(hidinput_report_event);
dde5845a 1055
229695e5 1056int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
dde5845a
JK		 1057{
1058 struct hid_report *report;
1059 int i, j;
1060
1061 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1062 for (i = 0; i < report->maxfield; i++) {
1063 *field = report->field[i];
1064 for (j = 0; j < (*field)->maxusage; j++)
1065 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1066 return j;
1067 }
1068 }
1069 return -1;
1070}
229695e5 1071EXPORT_SYMBOL_GPL(hidinput_find_field);
dde5845a 1072
4371ea82
DK		 1073struct hid_field *hidinput_get_led_field(struct hid_device *hid)
1074{
1075 struct hid_report *report;
1076 struct hid_field *field;
1077 int i, j;
1078
1079 list_for_each_entry(report,
1080 &hid->report_enum[HID_OUTPUT_REPORT].report_list,
1081 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 == EV_LED)
1086 return field;
1087 }
1088 }
1089 return NULL;
1090}
1091EXPORT_SYMBOL_GPL(hidinput_get_led_field);
1092
1093unsigned int hidinput_count_leds(struct hid_device *hid)
1094{
1095 struct hid_report *report;
1096 struct hid_field *field;
1097 int i, j;
1098 unsigned int count = 0;
1099
1100 list_for_each_entry(report,
1101 &hid->report_enum[HID_OUTPUT_REPORT].report_list,
1102 list) {
1103 for (i = 0; i < report->maxfield; i++) {
1104 field = report->field[i];
1105 for (j = 0; j < field->maxusage; j++)
1106 if (field->usage[j].type == EV_LED &&
1107 field->value[j])
1108 count += 1;
1109 }
1110 }
1111 return count;
1112}
1113EXPORT_SYMBOL_GPL(hidinput_count_leds);
1114
7c379146
JK		 1115static int hidinput_open(struct input_dev *dev)
1116{
e0712985
DT		 1117 struct hid_device *hid = input_get_drvdata(dev);
1118
5bea7660 1119 return hid_hw_open(hid);
7c379146
JK		 1120}
1121
1122static void hidinput_close(struct input_dev *dev)
1123{
e0712985
DT		 1124 struct hid_device *hid = input_get_drvdata(dev);
1125
5bea7660 1126 hid_hw_close(hid);
7c379146
JK		 1127}
1128
f635bd11
HR		 1129static void report_features(struct hid_device *hid)
1130{
1131 struct hid_driver *drv = hid->driver;
1132 struct hid_report_enum *rep_enum;
1133 struct hid_report *rep;
1134 int i, j;
1135
f635bd11
HR		 1136 rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
1137 list_for_each_entry(rep, &rep_enum->report_list, list)
1138 for (i = 0; i < rep->maxfield; i++)
c5a92aa3
DN		 1139 for (j = 0; j < rep->field[i]->maxusage; j++) {
1140 /* Verify if Battery Strength feature is available */
2f2e3f6d 1141 hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]);
c5a92aa3
DN		 1142
1143 if (drv->feature_mapping)
1144 drv->feature_mapping(hid, rep->field[i],
1145 rep->field[i]->usage + j);
1146 }
f635bd11
HR		 1147}
1148
dde5845a
JK		 1149/*
1150 * Register the input device; print a message.
1151 * Configure the input layer interface
1152 * Read all reports and initialize the absolute field values.
1153 */
1154
93c10132 1155int hidinput_connect(struct hid_device *hid, unsigned int force)
dde5845a 1156{
dde5845a
JK		 1157 struct hid_report *report;
1158 struct hid_input *hidinput = NULL;
1159 struct input_dev *input_dev;
1160 int i, j, k;
1161
1162 INIT_LIST_HEAD(&hid->inputs);
1163
93c10132
JS		 1164 if (!force) {
1165 for (i = 0; i < hid->maxcollection; i++) {
1166 struct hid_collection *col = &hid->collection[i];
1167 if (col->type == HID_COLLECTION_APPLICATION ||
1168 col->type == HID_COLLECTION_PHYSICAL)
1169 if (IS_INPUT_APPLICATION(col->usage))
1170 break;
1171 }
dde5845a 1172
93c10132
JS		 1173 if (i == hid->maxcollection)
1174 return -1;
1175 }
dde5845a 1176
f635bd11
HR		 1177 report_features(hid);
1178
1179 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
0d2689c0
BT		 1180 if (k == HID_OUTPUT_REPORT &&
1181 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1182 continue;
5556feae 1183
dde5845a
JK		 1184 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1185
1186 if (!report->maxfield)
1187 continue;
1188
1189 if (!hidinput) {
1190 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1191 input_dev = input_allocate_device();
1192 if (!hidinput || !input_dev) {
1193 kfree(hidinput);
1194 input_free_device(input_dev);
4291ee30 1195 hid_err(hid, "Out of memory during hid input probe\n");
368d290b 1196 goto out_unwind;
dde5845a
JK		 1197 }
1198
e0712985 1199 input_set_drvdata(input_dev, hid);
c500c971
JS		 1200 input_dev->event =
1201 hid->ll_driver->hidinput_input_event;
7c379146
JK		 1202 input_dev->open = hidinput_open;
1203 input_dev->close = hidinput_close;
aebd636b
DT		 1204 input_dev->setkeycode = hidinput_setkeycode;
1205 input_dev->getkeycode = hidinput_getkeycode;
dde5845a
JK		 1206
1207 input_dev->name = hid->name;
1208 input_dev->phys = hid->phys;
1209 input_dev->uniq = hid->uniq;
229695e5
JK		 1210 input_dev->id.bustype = hid->bus;
1211 input_dev->id.vendor = hid->vendor;
1212 input_dev->id.product = hid->product;
1213 input_dev->id.version = hid->version;
85cdaf52 1214 input_dev->dev.parent = hid->dev.parent;
dde5845a
JK		 1215 hidinput->input = input_dev;
1216 list_add_tail(&hidinput->list, &hid->inputs);
1217 }
1218
1219 for (i = 0; i < report->maxfield; i++)
1220 for (j = 0; j < report->field[i]->maxusage; j++)
1221 hidinput_configure_usage(hidinput, report->field[i],
1222 report->field[i]->usage + j);
1223
1224 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1225 /* This will leave hidinput NULL, so that it
1226 * allocates another one if we have more inputs on
1227 * the same interface. Some devices (e.g. Happ's
1228 * UGCI) cram a lot of unrelated inputs into the
1229 * same interface. */
1230 hidinput->report = report;
368d290b
DH		 1231 if (input_register_device(hidinput->input))
1232 goto out_cleanup;
dde5845a
JK		 1233 hidinput = NULL;
1234 }
1235 }
0d2689c0 1236 }
dde5845a 1237
368d290b
DH		 1238 if (hidinput && input_register_device(hidinput->input))
1239 goto out_cleanup;
dde5845a
JK		 1240
1241 return 0;
368d290b
DH		 1242
1243out_cleanup:
d9236303 1244 list_del(&hidinput->list);
368d290b
DH		 1245 input_free_device(hidinput->input);
1246 kfree(hidinput);
1247out_unwind:
1248 /* unwind the ones we already registered */
1249 hidinput_disconnect(hid);
1250
1251 return -1;
dde5845a 1252}
229695e5 1253EXPORT_SYMBOL_GPL(hidinput_connect);
dde5845a
JK		 1254
1255void hidinput_disconnect(struct hid_device *hid)
1256{
1257 struct hid_input *hidinput, *next;
1258
4f5ca836
JF		 1259 hidinput_cleanup_battery(hid);
1260
dde5845a
JK		 1261 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1262 list_del(&hidinput->list);
1263 input_unregister_device(hidinput->input);
1264 kfree(hidinput);
1265 }
1266}
229695e5
JK		 1267EXPORT_SYMBOL_GPL(hidinput_disconnect);
1268
Linux kernel - Deliverables
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