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hid-input/battery: add quirks for battery
[mirror_ubuntu-bionic-kernel.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 */
228 if (code == ABS_X || code == ABS_Y || code == ABS_Z) {
229 if (field->unit == 0x11) { /* If centimeters */
83ed79c5
DT		 230 /* Convert to millimeters */
231 unit_exponent += 1;
232 } else if (field->unit == 0x13) { /* If inches */
233 /* Convert to millimeters */
234 prev = physical_extents;
235 physical_extents *= 254;
236 if (physical_extents < prev)
4ea6e4ff 237 return 0;
83ed79c5
DT		 238 unit_exponent -= 1;
239 } else {
4ea6e4ff
NK		 240 return 0;
241 }
242 } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) {
243 if (field->unit == 0x14) { /* If degrees */
244 /* Convert to radians */
245 prev = logical_extents;
246 logical_extents *= 573;
247 if (logical_extents < prev)
248 return 0;
249 unit_exponent += 1;
250 } else if (field->unit != 0x12) { /* If not radians */
251 return 0;
252 }
253 } else {
254 return 0;
255 }
256
257 /* Apply negative unit exponent */
258 for (; unit_exponent < 0; unit_exponent++) {
259 prev = logical_extents;
260 logical_extents *= 10;
261 if (logical_extents < prev)
262 return 0;
263 }
264 /* Apply positive unit exponent */
265 for (; unit_exponent > 0; unit_exponent--) {
266 prev = physical_extents;
267 physical_extents *= 10;
268 if (physical_extents < prev)
269 return 0;
270 }
271
272 /* Calculate resolution */
273 return logical_extents / physical_extents;
274}
275
4f5ca836
JF		 276#ifdef CONFIG_HID_BATTERY_STRENGTH
277static enum power_supply_property hidinput_battery_props[] = {
278 POWER_SUPPLY_PROP_PRESENT,
279 POWER_SUPPLY_PROP_ONLINE,
280 POWER_SUPPLY_PROP_CAPACITY,
281 POWER_SUPPLY_PROP_MODEL_NAME,
c5a92aa3 282 POWER_SUPPLY_PROP_STATUS
4f5ca836
JF		 283};
284
bbc21cfd
JF		 285#define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */
286
287static const struct hid_device_id hid_battery_quirks[] = {
288 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE),
289 HID_BATTERY_QUIRK_PERCENT },
290 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD),
291 HID_BATTERY_QUIRK_PERCENT },
292 {}
293};
294
295static unsigned find_battery_quirk(struct hid_device *hdev)
296{
297 unsigned quirks = 0;
298 const struct hid_device_id *match;
299
300 match = hid_match_id(hdev, hid_battery_quirks);
301 if (match != NULL)
302 quirks = match->driver_data;
303
304 return quirks;
305}
306
4f5ca836
JF		 307static int hidinput_get_battery_property(struct power_supply *psy,
308 enum power_supply_property prop,
309 union power_supply_propval *val)
310{
311 struct hid_device *dev = container_of(psy, struct hid_device, battery);
312 int ret = 0;
c5a92aa3 313 int ret_rep;
ef525199 314 __u8 buf[2] = {};
c5a92aa3 315 unsigned char report_number = dev->battery_report_id;
4f5ca836
JF		 316
317 switch (prop) {
318 case POWER_SUPPLY_PROP_PRESENT:
319 case POWER_SUPPLY_PROP_ONLINE:
320 val->intval = 1;
321 break;
322
323 case POWER_SUPPLY_PROP_CAPACITY:
ef525199
JF		 324 ret_rep = dev->hid_get_raw_report(dev, report_number,
325 buf, sizeof(buf), HID_FEATURE_REPORT);
c5a92aa3 326 if (ret_rep != 2) {
4f5ca836 327 ret = -EINVAL;
c5a92aa3
DN		 328 break;
329 }
330
bbc21cfd
JF		 331 if (dev->battery_min < dev->battery_max &&
332 buf[1] >= dev->battery_min &&
333 buf[1] <= dev->battery_max)
334 val->intval = (100 * (buf[1] - dev->battery_min)) /
335 (dev->battery_max - dev->battery_min);
4f5ca836
JF		 336 break;
337
338 case POWER_SUPPLY_PROP_MODEL_NAME:
339 val->strval = dev->name;
340 break;
341
c5a92aa3
DN		 342 case POWER_SUPPLY_PROP_STATUS:
343 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
344 break;
345
4f5ca836
JF		 346 default:
347 ret = -EINVAL;
348 break;
349 }
350
351 return ret;
352}
353
c5a92aa3 354static void hidinput_setup_battery(struct hid_device *dev, unsigned id, s32 min, s32 max)
4f5ca836
JF		 355{
356 struct power_supply *battery = &dev->battery;
357 int ret;
bbc21cfd 358 unsigned quirks;
4f5ca836
JF		 359
360 if (battery->name != NULL)
361 return; /* already initialized? */
362
363 battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
364 if (battery->name == NULL)
365 return;
366
c5a92aa3 367 battery->type = POWER_SUPPLY_TYPE_USB;
4f5ca836
JF		 368 battery->properties = hidinput_battery_props;
369 battery->num_properties = ARRAY_SIZE(hidinput_battery_props);
370 battery->use_for_apm = 0;
371 battery->get_property = hidinput_get_battery_property;
372
bbc21cfd
JF		 373 quirks = find_battery_quirk(dev);
374
375 if (quirks & HID_BATTERY_QUIRK_PERCENT) {
376 min = 0;
377 max = 100;
378 }
379
4f5ca836
JF		 380 dev->battery_min = min;
381 dev->battery_max = max;
c5a92aa3 382 dev->battery_report_id = id;
4f5ca836
JF		 383
384 ret = power_supply_register(&dev->dev, battery);
385 if (ret != 0) {
386 hid_warn(dev, "can't register power supply: %d\n", ret);
387 kfree(battery->name);
388 battery->name = NULL;
389 }
390}
391
392static void hidinput_cleanup_battery(struct hid_device *dev)
393{
394 if (!dev->battery.name)
395 return;
396
397 power_supply_unregister(&dev->battery);
398 kfree(dev->battery.name);
399 dev->battery.name = NULL;
400}
401#else /* !CONFIG_HID_BATTERY_STRENGTH */
c5a92aa3 402static void hidinput_setup_battery(struct hid_device *dev, unsigned id, s32 min, s32 max)
4f5ca836
JF		 403{
404}
405
406static void hidinput_cleanup_battery(struct hid_device *dev)
407{
408}
409#endif /* CONFIG_HID_BATTERY_STRENGTH */
410
dde5845a
JK		 411static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
412 struct hid_usage *usage)
413{
414 struct input_dev *input = hidinput->input;
e0712985 415 struct hid_device *device = input_get_drvdata(input);
3715ade9 416 int max = 0, code;
dde5845a
JK		 417 unsigned long *bit = NULL;
418
419 field->hidinput = hidinput;
420
dde5845a
JK		 421 if (field->flags & HID_MAIN_ITEM_CONSTANT)
422 goto ignore;
423
82eb1219
JK		 424 /* only LED usages are supported in output fields */
425 if (field->report_type == HID_OUTPUT_REPORT &&
426 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
82eb1219
JK		 427 goto ignore;
428 }
429
c500c971
JS		 430 if (device->driver->input_mapping) {
431 int ret = device->driver->input_mapping(device, hidinput, field,
432 usage, &bit, &max);
433 if (ret > 0)
434 goto mapped;
435 if (ret < 0)
436 goto ignore;
437 }
438
dde5845a 439 switch (usage->hid & HID_USAGE_PAGE) {
880d29f1
JS		 440 case HID_UP_UNDEFINED:
441 goto ignore;
dde5845a 442
880d29f1
JS		 443 case HID_UP_KEYBOARD:
444 set_bit(EV_REP, input->evbit);
dde5845a 445
880d29f1
JS		 446 if ((usage->hid & HID_USAGE) < 256) {
447 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
448 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
449 } else
450 map_key(KEY_UNKNOWN);
dde5845a 451
880d29f1 452 break;
dde5845a 453
880d29f1 454 case HID_UP_BUTTON:
7f978b9b 455 code = ((usage->hid - 1) & HID_USAGE);
dde5845a 456
880d29f1
JS		 457 switch (field->application) {
458 case HID_GD_MOUSE:
1874542d 459 case HID_GD_POINTER: code += BTN_MOUSE; break;
cf2f765f 460 case HID_GD_JOYSTICK:
fc99f22c
DM		 461 if (code <= 0xf)
462 code += BTN_JOYSTICK;
463 else
464 code += BTN_TRIGGER_HAPPY;
465 break;
1874542d 466 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
880d29f1
JS		 467 default:
468 switch (field->physical) {
469 case HID_GD_MOUSE:
1874542d
FF		 470 case HID_GD_POINTER: code += BTN_MOUSE; break;
471 case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break;
472 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
473 default: code += BTN_MISC;
dde5845a 474 }
880d29f1 475 }
dde5845a 476
880d29f1
JS		 477 map_key(code);
478 break;
479
480 case HID_UP_SIMULATION:
481 switch (usage->hid & 0xffff) {
482 case 0xba: map_abs(ABS_RUDDER); break;
483 case 0xbb: map_abs(ABS_THROTTLE); break;
484 case 0xc4: map_abs(ABS_GAS); break;
485 case 0xc5: map_abs(ABS_BRAKE); break;
486 case 0xc8: map_abs(ABS_WHEEL); break;
487 default: goto ignore;
488 }
489 break;
490
491 case HID_UP_GENDESK:
492 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
493 switch (usage->hid & 0xf) {
494 case 0x1: map_key_clear(KEY_POWER); break;
495 case 0x2: map_key_clear(KEY_SLEEP); break;
496 case 0x3: map_key_clear(KEY_WAKEUP); break;
437f3b19
JW		 497 case 0x4: map_key_clear(KEY_CONTEXT_MENU); break;
498 case 0x5: map_key_clear(KEY_MENU); break;
499 case 0x6: map_key_clear(KEY_PROG1); break;
500 case 0x7: map_key_clear(KEY_HELP); break;
501 case 0x8: map_key_clear(KEY_EXIT); break;
502 case 0x9: map_key_clear(KEY_SELECT); break;
503 case 0xa: map_key_clear(KEY_RIGHT); break;
504 case 0xb: map_key_clear(KEY_LEFT); break;
505 case 0xc: map_key_clear(KEY_UP); break;
506 case 0xd: map_key_clear(KEY_DOWN); break;
507 case 0xe: map_key_clear(KEY_POWER2); break;
508 case 0xf: map_key_clear(KEY_RESTART); break;
880d29f1 509 default: goto unknown;
dde5845a
JK		 510 }
511 break;
880d29f1 512 }
dde5845a 513
880d29f1 514 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
dde5845a 515 switch (usage->hid) {
880d29f1
JS		 516 case HID_GD_UP: usage->hat_dir = 1; break;
517 case HID_GD_DOWN: usage->hat_dir = 5; break;
518 case HID_GD_RIGHT: usage->hat_dir = 3; break;
519 case HID_GD_LEFT: usage->hat_dir = 7; break;
520 default: goto unknown;
dde5845a 521 }
880d29f1
JS		 522 if (field->dpad) {
523 map_abs(field->dpad);
524 goto ignore;
d4ae650a 525 }
880d29f1 526 map_abs(ABS_HAT0X);
dde5845a 527 break;
880d29f1 528 }
dde5845a 529
880d29f1
JS		 530 switch (usage->hid) {
531 /* These usage IDs map directly to the usage codes. */
532 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
533 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
534 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
535 if (field->flags & HID_MAIN_ITEM_RELATIVE)
536 map_rel(usage->hid & 0xf);
537 else
538 map_abs(usage->hid & 0xf);
539 break;
dde5845a 540
880d29f1
JS		 541 case HID_GD_HATSWITCH:
542 usage->hat_min = field->logical_minimum;
543 usage->hat_max = field->logical_maximum;
544 map_abs(ABS_HAT0X);
545 break;
dde5845a 546
880d29f1
JS		 547 case HID_GD_START: map_key_clear(BTN_START); break;
548 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
dde5845a 549
880d29f1
JS		 550 default: goto unknown;
551 }
dde5845a 552
880d29f1
JS		 553 break;
554
555 case HID_UP_LED:
556 switch (usage->hid & 0xffff) { /* HID-Value: */
557 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
558 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
559 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
560 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
561 case 0x05: map_led (LED_KANA); break; /* "Kana" */
562 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
563 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
564 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
565 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
566 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
567 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
568
569 default: goto ignore;
570 }
571 break;
572
573 case HID_UP_DIGITIZER:
574 switch (usage->hid & 0xff) {
8c8b01c3
FB		 575 case 0x00: /* Undefined */
576 goto ignore;
577
880d29f1
JS		 578 case 0x30: /* TipPressure */
579 if (!test_bit(BTN_TOUCH, input->keybit)) {
580 device->quirks |= HID_QUIRK_NOTOUCH;
581 set_bit(EV_KEY, input->evbit);
582 set_bit(BTN_TOUCH, input->keybit);
dde5845a 583 }
880d29f1 584 map_abs_clear(ABS_PRESSURE);
dde5845a
JK		 585 break;
586
880d29f1
JS		 587 case 0x32: /* InRange */
588 switch (field->physical & 0xff) {
589 case 0x21: map_key(BTN_TOOL_MOUSE); break;
590 case 0x22: map_key(BTN_TOOL_FINGER); break;
591 default: map_key(BTN_TOOL_PEN); break;
dde5845a
JK		 592 }
593 break;
594
880d29f1
JS		 595 case 0x3c: /* Invert */
596 map_key_clear(BTN_TOOL_RUBBER);
dde5845a
JK		 597 break;
598
880d29f1
JS		 599 case 0x33: /* Touch */
600 case 0x42: /* TipSwitch */
601 case 0x43: /* TipSwitch2 */
602 device->quirks &= ~HID_QUIRK_NOTOUCH;
603 map_key_clear(BTN_TOUCH);
604 break;
dde5845a 605
880d29f1
JS		 606 case 0x44: /* BarrelSwitch */
607 map_key_clear(BTN_STYLUS);
608 break;
dde5845a 609
50b63697
NK		 610 case 0x46: /* TabletPick */
611 map_key_clear(BTN_STYLUS2);
612 break;
613
b77c3920
BT		 614 case 0x51: /* ContactID */
615 device->quirks |= HID_QUIRK_MULTITOUCH;
616 goto unknown;
617
880d29f1
JS		 618 default: goto unknown;
619 }
620 break;
621
437f3b19 622 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */
880d29f1
JS		 623 switch (usage->hid & HID_USAGE) {
624 case 0x000: goto ignore;
437f3b19
JW		 625 case 0x030: map_key_clear(KEY_POWER); break;
626 case 0x031: map_key_clear(KEY_RESTART); break;
627 case 0x032: map_key_clear(KEY_SLEEP); break;
880d29f1 628 case 0x034: map_key_clear(KEY_SLEEP); break;
437f3b19 629 case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break;
880d29f1
JS		 630 case 0x036: map_key_clear(BTN_MISC); break;
631
437f3b19
JW		 632 case 0x040: map_key_clear(KEY_MENU); break; /* Menu */
633 case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */
634 case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */
635 case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */
636 case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */
637 case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */
638 case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */
639 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */
640 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */
641
642 case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */
643 case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */
644 case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */
645 case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */
646 case 0x069: map_key_clear(KEY_RED); break;
647 case 0x06a: map_key_clear(KEY_GREEN); break;
648 case 0x06b: map_key_clear(KEY_BLUE); break;
649 case 0x06c: map_key_clear(KEY_YELLOW); break;
650 case 0x06d: map_key_clear(KEY_ZOOM); break;
651
652 case 0x082: map_key_clear(KEY_VIDEO_NEXT); break;
880d29f1 653 case 0x083: map_key_clear(KEY_LAST); break;
437f3b19 654 case 0x084: map_key_clear(KEY_ENTER); break;
880d29f1
JS		 655 case 0x088: map_key_clear(KEY_PC); break;
656 case 0x089: map_key_clear(KEY_TV); break;
657 case 0x08a: map_key_clear(KEY_WWW); break;
658 case 0x08b: map_key_clear(KEY_DVD); break;
659 case 0x08c: map_key_clear(KEY_PHONE); break;
660 case 0x08d: map_key_clear(KEY_PROGRAM); break;
661 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
662 case 0x08f: map_key_clear(KEY_GAMES); break;
663 case 0x090: map_key_clear(KEY_MEMO); break;
664 case 0x091: map_key_clear(KEY_CD); break;
665 case 0x092: map_key_clear(KEY_VCR); break;
666 case 0x093: map_key_clear(KEY_TUNER); break;
667 case 0x094: map_key_clear(KEY_EXIT); break;
668 case 0x095: map_key_clear(KEY_HELP); break;
669 case 0x096: map_key_clear(KEY_TAPE); break;
670 case 0x097: map_key_clear(KEY_TV2); break;
671 case 0x098: map_key_clear(KEY_SAT); break;
672 case 0x09a: map_key_clear(KEY_PVR); break;
673
674 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
675 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
676 case 0x0a0: map_key_clear(KEY_VCR2); break;
677
678 case 0x0b0: map_key_clear(KEY_PLAY); break;
679 case 0x0b1: map_key_clear(KEY_PAUSE); break;
680 case 0x0b2: map_key_clear(KEY_RECORD); break;
681 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
682 case 0x0b4: map_key_clear(KEY_REWIND); break;
683 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
684 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
685 case 0x0b7: map_key_clear(KEY_STOPCD); break;
686 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
687 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
437f3b19
JW		 688 case 0x0b9: map_key_clear(KEY_SHUFFLE); break;
689 case 0x0bf: map_key_clear(KEY_SLOW); break;
880d29f1
JS		 690
691 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
692 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
693 case 0x0e2: map_key_clear(KEY_MUTE); break;
694 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
695 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
696 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
437f3b19 697 case 0x0f5: map_key_clear(KEY_SLOW); break;
880d29f1
JS		 698
699 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
700 case 0x183: map_key_clear(KEY_CONFIG); break;
701 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
702 case 0x185: map_key_clear(KEY_EDITOR); break;
703 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
704 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
705 case 0x188: map_key_clear(KEY_PRESENTATION); break;
706 case 0x189: map_key_clear(KEY_DATABASE); break;
707 case 0x18a: map_key_clear(KEY_MAIL); break;
708 case 0x18b: map_key_clear(KEY_NEWS); break;
709 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
710 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
711 case 0x18e: map_key_clear(KEY_CALENDAR); break;
712 case 0x191: map_key_clear(KEY_FINANCE); break;
713 case 0x192: map_key_clear(KEY_CALC); break;
437f3b19 714 case 0x193: map_key_clear(KEY_PLAYER); break;
880d29f1
JS		 715 case 0x194: map_key_clear(KEY_FILE); break;
716 case 0x196: map_key_clear(KEY_WWW); break;
0690535d 717 case 0x199: map_key_clear(KEY_CHAT); break;
880d29f1
JS		 718 case 0x19c: map_key_clear(KEY_LOGOFF); break;
719 case 0x19e: map_key_clear(KEY_COFFEE); break;
720 case 0x1a6: map_key_clear(KEY_HELP); break;
721 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
722 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
437f3b19
JW		 723 case 0x1ae: map_key_clear(KEY_KEYBOARD); break;
724 case 0x1b6: map_key_clear(KEY_IMAGES); break;
725 case 0x1b7: map_key_clear(KEY_AUDIO); break;
726 case 0x1b8: map_key_clear(KEY_VIDEO); break;
880d29f1
JS		 727 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
728 case 0x1bd: map_key_clear(KEY_INFO); break;
729 case 0x201: map_key_clear(KEY_NEW); break;
730 case 0x202: map_key_clear(KEY_OPEN); break;
731 case 0x203: map_key_clear(KEY_CLOSE); break;
732 case 0x204: map_key_clear(KEY_EXIT); break;
733 case 0x207: map_key_clear(KEY_SAVE); break;
734 case 0x208: map_key_clear(KEY_PRINT); break;
735 case 0x209: map_key_clear(KEY_PROPS); break;
736 case 0x21a: map_key_clear(KEY_UNDO); break;
737 case 0x21b: map_key_clear(KEY_COPY); break;
738 case 0x21c: map_key_clear(KEY_CUT); break;
739 case 0x21d: map_key_clear(KEY_PASTE); break;
740 case 0x21f: map_key_clear(KEY_FIND); break;
741 case 0x221: map_key_clear(KEY_SEARCH); break;
742 case 0x222: map_key_clear(KEY_GOTO); break;
743 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
744 case 0x224: map_key_clear(KEY_BACK); break;
745 case 0x225: map_key_clear(KEY_FORWARD); break;
746 case 0x226: map_key_clear(KEY_STOP); break;
747 case 0x227: map_key_clear(KEY_REFRESH); break;
748 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
749 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
750 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
751 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
752 case 0x233: map_key_clear(KEY_SCROLLUP); break;
753 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
754 case 0x238: map_rel(REL_HWHEEL); break;
437f3b19 755 case 0x23d: map_key_clear(KEY_EDIT); break;
880d29f1 756 case 0x25f: map_key_clear(KEY_CANCEL); break;
437f3b19
JW		 757 case 0x269: map_key_clear(KEY_INSERT); break;
758 case 0x26a: map_key_clear(KEY_DELETE); break;
880d29f1
JS		 759 case 0x279: map_key_clear(KEY_REDO); break;
760
761 case 0x289: map_key_clear(KEY_REPLY); break;
762 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
763 case 0x28c: map_key_clear(KEY_SEND); break;
764
765 default: goto ignore;
766 }
767 break;
768
4f5ca836
JF		 769 case HID_UP_GENDEVCTRLS:
770 if ((usage->hid & HID_USAGE) == 0x20) { /* Battery Strength */
771 hidinput_setup_battery(device,
c5a92aa3 772 field->report->id,
4f5ca836
JF		 773 field->logical_minimum,
774 field->logical_maximum);
775 goto ignore;
776 } else
777 goto unknown;
778 break;
779
880d29f1
JS		 780 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
781 set_bit(EV_REP, input->evbit);
782 switch (usage->hid & HID_USAGE) {
783 case 0x021: map_key_clear(KEY_PRINT); break;
784 case 0x070: map_key_clear(KEY_HP); break;
785 case 0x071: map_key_clear(KEY_CAMERA); break;
786 case 0x072: map_key_clear(KEY_SOUND); break;
787 case 0x073: map_key_clear(KEY_QUESTION); break;
788 case 0x080: map_key_clear(KEY_EMAIL); break;
789 case 0x081: map_key_clear(KEY_CHAT); break;
790 case 0x082: map_key_clear(KEY_SEARCH); break;
791 case 0x083: map_key_clear(KEY_CONNECT); break;
792 case 0x084: map_key_clear(KEY_FINANCE); break;
793 case 0x085: map_key_clear(KEY_SPORT); break;
794 case 0x086: map_key_clear(KEY_SHOP); break;
795 default: goto ignore;
796 }
797 break;
dde5845a 798
880d29f1
JS		 799 case HID_UP_MSVENDOR:
800 goto ignore;
dde5845a 801
880d29f1
JS		 802 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
803 set_bit(EV_REP, input->evbit);
804 goto ignore;
dde5845a 805
880d29f1
JS		 806 case HID_UP_LOGIVENDOR:
807 goto ignore;
fc99f22c 808
880d29f1
JS		 809 case HID_UP_PID:
810 switch (usage->hid & HID_USAGE) {
811 case 0xa4: map_key_clear(BTN_DEAD); break;
812 default: goto ignore;
813 }
814 break;
dde5845a 815
880d29f1
JS		 816 default:
817 unknown:
818 if (field->report_size == 1) {
819 if (field->report->type == HID_OUTPUT_REPORT) {
820 map_led(LED_MISC);
dde5845a
JK		 821 break;
822 }
880d29f1 823 map_key(BTN_MISC);
dde5845a 824 break;
880d29f1
JS		 825 }
826 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
827 map_rel(REL_MISC);
828 break;
829 }
830 map_abs(ABS_MISC);
831 break;
dde5845a
JK		 832 }
833
10bd065f 834mapped:
c500c971
JS		 835 if (device->driver->input_mapped && device->driver->input_mapped(device,
836 hidinput, field, usage, &bit, &max) < 0)
837 goto ignore;
838
dde5845a
JK		 839 set_bit(usage->type, input->evbit);
840
841 while (usage->code <= max && test_and_set_bit(usage->code, bit))
842 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
843
844 if (usage->code > max)
845 goto ignore;
846
847
848 if (usage->type == EV_ABS) {
849
850 int a = field->logical_minimum;
851 int b = field->logical_maximum;
852
853 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
854 a = field->logical_minimum = 0;
855 b = field->logical_maximum = 255;
856 }
857
858 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
859 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
860 else input_set_abs_params(input, usage->code, a, b, 0, 0);
861
4ea6e4ff
NK		 862 input_abs_set_res(input, usage->code,
863 hidinput_calc_abs_res(field, usage->code));
864
6967b4d9
HR		 865 /* use a larger default input buffer for MT devices */
866 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
867 input_set_events_per_packet(input, 60);
dde5845a
JK		 868 }
869
870 if (usage->type == EV_ABS &&
871 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
872 int i;
873 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
874 input_set_abs_params(input, i, -1, 1, 0, 0);
875 set_bit(i, input->absbit);
876 }
877 if (usage->hat_dir && !field->dpad)
878 field->dpad = usage->code;
879 }
880
2c1d8aea
JK		 881 /* for those devices which produce Consumer volume usage as relative,
882 * we emulate pressing volumeup/volumedown appropriate number of times
883 * in hidinput_hid_event()
884 */
885 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
886 (usage->code == ABS_VOLUME)) {
887 set_bit(KEY_VOLUMEUP, input->keybit);
888 set_bit(KEY_VOLUMEDOWN, input->keybit);
889 }
890
c01d50d1
JK		 891 if (usage->type == EV_KEY) {
892 set_bit(EV_MSC, input->evbit);
893 set_bit(MSC_SCAN, input->mscbit);
894 }
895
dde5845a 896ignore:
dde5845a 897 return;
a635f9dd 898
dde5845a
JK		 899}
900
901void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
902{
903 struct input_dev *input;
b4482a4b 904 unsigned *quirks = &hid->quirks;
dde5845a
JK		 905
906 if (!field->hidinput)
907 return;
908
909 input = field->hidinput->input;
910
67200795 911#ifdef CONFIG_HID_BATTERY_STRENGTH
4f5ca836
JF		 912 if (usage->hid == HID_DC_BATTERYSTRENGTH) {
913 hid->battery_val = value;
914 hid_dbg(hid, "battery value is %d (range %d-%d)\n",
915 value, hid->battery_min, hid->battery_max);
916 return;
917 }
67200795 918#endif
dde5845a
JK		 919 if (!usage->type)
920 return;
921
dde5845a
JK		 922 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
923 int hat_dir = usage->hat_dir;
924 if (!hat_dir)
925 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
926 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
927 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
fc99f22c
DM		 928 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
929 return;
930 }
dde5845a
JK		 931
932 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
933 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
934 return;
935 }
936
937 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
938 if (value) {
939 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
940 return;
941 }
942 input_event(input, usage->type, usage->code, 0);
943 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
944 return;
945 }
946
947 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
948 int a = field->logical_minimum;
949 int b = field->logical_maximum;
950 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
951 }
952
953 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
58037eb9 954 dbg_hid("Maximum Effects - %d\n",value);
dde5845a
JK		 955 return;
956 }
957
958 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
58037eb9 959 dbg_hid("PID Pool Report\n");
dde5845a
JK		 960 return;
961 }
962
963 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
964 return;
965
2c1d8aea
JK		 966 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
967 (usage->code == ABS_VOLUME)) {
968 int count = abs(value);
969 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
970 int i;
971
972 for (i = 0; i < count; i++) {
973 input_event(input, EV_KEY, direction, 1);
974 input_sync(input);
975 input_event(input, EV_KEY, direction, 0);
976 input_sync(input);
977 }
978 return;
979 }
980
b4b583d4
JK		 981 /* Ignore out-of-range values as per HID specification, section 5.10 */
982 if (value < field->logical_minimum || value > field->logical_maximum) {
6da70669
JK		 983 dbg_hid("Ignoring out-of-range value %x\n", value);
984 return;
985 }
986
c01d50d1
JK		 987 /* report the usage code as scancode if the key status has changed */
988 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
989 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1fe8736d 990
dde5845a
JK		 991 input_event(input, usage->type, usage->code, value);
992
993 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
994 input_event(input, usage->type, usage->code, 0);
995}
996
997void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
998{
999 struct hid_input *hidinput;
1000
24750f3e
HR		 1001 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
1002 return;
1003
dde5845a
JK		 1004 list_for_each_entry(hidinput, &hid->inputs, list)
1005 input_sync(hidinput->input);
1006}
229695e5 1007EXPORT_SYMBOL_GPL(hidinput_report_event);
dde5845a 1008
229695e5 1009int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
dde5845a
JK		 1010{
1011 struct hid_report *report;
1012 int i, j;
1013
1014 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1015 for (i = 0; i < report->maxfield; i++) {
1016 *field = report->field[i];
1017 for (j = 0; j < (*field)->maxusage; j++)
1018 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1019 return j;
1020 }
1021 }
1022 return -1;
1023}
229695e5 1024EXPORT_SYMBOL_GPL(hidinput_find_field);
dde5845a 1025
7c379146
JK		 1026static int hidinput_open(struct input_dev *dev)
1027{
e0712985
DT		 1028 struct hid_device *hid = input_get_drvdata(dev);
1029
5bea7660 1030 return hid_hw_open(hid);
7c379146
JK		 1031}
1032
1033static void hidinput_close(struct input_dev *dev)
1034{
e0712985
DT		 1035 struct hid_device *hid = input_get_drvdata(dev);
1036
5bea7660 1037 hid_hw_close(hid);
7c379146
JK		 1038}
1039
f635bd11
HR		 1040static void report_features(struct hid_device *hid)
1041{
1042 struct hid_driver *drv = hid->driver;
1043 struct hid_report_enum *rep_enum;
1044 struct hid_report *rep;
1045 int i, j;
1046
f635bd11
HR		 1047 rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
1048 list_for_each_entry(rep, &rep_enum->report_list, list)
1049 for (i = 0; i < rep->maxfield; i++)
c5a92aa3
DN		 1050 for (j = 0; j < rep->field[i]->maxusage; j++) {
1051 /* Verify if Battery Strength feature is available */
1052 if (((rep->field[i]->usage + j)->hid & HID_USAGE_PAGE) == HID_UP_GENDEVCTRLS &&
1053 ((rep->field[i]->usage + j)->hid & HID_USAGE) == 0x20) {
1054 hidinput_setup_battery(hid,
1055 rep->id,
1056 rep->field[i]->logical_minimum,
1057 rep->field[i]->logical_maximum);
1058 }
1059
1060 if (drv->feature_mapping)
1061 drv->feature_mapping(hid, rep->field[i],
1062 rep->field[i]->usage + j);
1063 }
f635bd11
HR		 1064}
1065
dde5845a
JK		 1066/*
1067 * Register the input device; print a message.
1068 * Configure the input layer interface
1069 * Read all reports and initialize the absolute field values.
1070 */
1071
93c10132 1072int hidinput_connect(struct hid_device *hid, unsigned int force)
dde5845a 1073{
dde5845a
JK		 1074 struct hid_report *report;
1075 struct hid_input *hidinput = NULL;
1076 struct input_dev *input_dev;
1077 int i, j, k;
1078
1079 INIT_LIST_HEAD(&hid->inputs);
1080
93c10132
JS		 1081 if (!force) {
1082 for (i = 0; i < hid->maxcollection; i++) {
1083 struct hid_collection *col = &hid->collection[i];
1084 if (col->type == HID_COLLECTION_APPLICATION ||
1085 col->type == HID_COLLECTION_PHYSICAL)
1086 if (IS_INPUT_APPLICATION(col->usage))
1087 break;
1088 }
dde5845a 1089
93c10132
JS		 1090 if (i == hid->maxcollection)
1091 return -1;
1092 }
dde5845a 1093
f635bd11
HR		 1094 report_features(hid);
1095
1096 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
0d2689c0
BT		 1097 if (k == HID_OUTPUT_REPORT &&
1098 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1099 continue;
5556feae 1100
dde5845a
JK		 1101 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1102
1103 if (!report->maxfield)
1104 continue;
1105
1106 if (!hidinput) {
1107 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1108 input_dev = input_allocate_device();
1109 if (!hidinput || !input_dev) {
1110 kfree(hidinput);
1111 input_free_device(input_dev);
4291ee30 1112 hid_err(hid, "Out of memory during hid input probe\n");
368d290b 1113 goto out_unwind;
dde5845a
JK		 1114 }
1115
e0712985 1116 input_set_drvdata(input_dev, hid);
c500c971
JS		 1117 input_dev->event =
1118 hid->ll_driver->hidinput_input_event;
7c379146
JK		 1119 input_dev->open = hidinput_open;
1120 input_dev->close = hidinput_close;
aebd636b
DT		 1121 input_dev->setkeycode = hidinput_setkeycode;
1122 input_dev->getkeycode = hidinput_getkeycode;
dde5845a
JK		 1123
1124 input_dev->name = hid->name;
1125 input_dev->phys = hid->phys;
1126 input_dev->uniq = hid->uniq;
229695e5
JK		 1127 input_dev->id.bustype = hid->bus;
1128 input_dev->id.vendor = hid->vendor;
1129 input_dev->id.product = hid->product;
1130 input_dev->id.version = hid->version;
85cdaf52 1131 input_dev->dev.parent = hid->dev.parent;
dde5845a
JK		 1132 hidinput->input = input_dev;
1133 list_add_tail(&hidinput->list, &hid->inputs);
1134 }
1135
1136 for (i = 0; i < report->maxfield; i++)
1137 for (j = 0; j < report->field[i]->maxusage; j++)
1138 hidinput_configure_usage(hidinput, report->field[i],
1139 report->field[i]->usage + j);
1140
1141 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1142 /* This will leave hidinput NULL, so that it
1143 * allocates another one if we have more inputs on
1144 * the same interface. Some devices (e.g. Happ's
1145 * UGCI) cram a lot of unrelated inputs into the
1146 * same interface. */
1147 hidinput->report = report;
368d290b
DH		 1148 if (input_register_device(hidinput->input))
1149 goto out_cleanup;
dde5845a
JK		 1150 hidinput = NULL;
1151 }
1152 }
0d2689c0 1153 }
dde5845a 1154
b77c3920
BT		 1155 if (hid->quirks & HID_QUIRK_MULTITOUCH) {
1156 /* generic hid does not know how to handle multitouch devices */
1157 if (hidinput)
1158 goto out_cleanup;
1159 goto out_unwind;
1160 }
1161
368d290b
DH		 1162 if (hidinput && input_register_device(hidinput->input))
1163 goto out_cleanup;
dde5845a
JK		 1164
1165 return 0;
368d290b
DH		 1166
1167out_cleanup:
d9236303 1168 list_del(&hidinput->list);
368d290b
DH		 1169 input_free_device(hidinput->input);
1170 kfree(hidinput);
1171out_unwind:
1172 /* unwind the ones we already registered */
1173 hidinput_disconnect(hid);
1174
1175 return -1;
dde5845a 1176}
229695e5 1177EXPORT_SYMBOL_GPL(hidinput_connect);
dde5845a
JK		 1178
1179void hidinput_disconnect(struct hid_device *hid)
1180{
1181 struct hid_input *hidinput, *next;
1182
4f5ca836
JF		 1183 hidinput_cleanup_battery(hid);
1184
dde5845a
JK		 1185 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1186 list_del(&hidinput->list);
1187 input_unregister_device(hidinput->input);
1188 kfree(hidinput);
1189 }
1190}
229695e5
JK		 1191EXPORT_SYMBOL_GPL(hidinput_disconnect);
1192
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