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Merge branch 'uc-logic' into for-linus
[net-next-2.6.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
JK		 34
35#define unk KEY_UNKNOWN
36
37static const unsigned char hid_keyboard[256] = {
38 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
39 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
40 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
41 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
42 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
43 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
44 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
45 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
46 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
47 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
48 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
1fe8736d 49 unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
dde5845a
JK		 50 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
51 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
52 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
53 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
54};
55
56static const struct {
57 __s32 x;
58 __s32 y;
59} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
60
022e8c4d
JS		 61#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
62#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
63#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
64#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
dde5845a 65
022e8c4d
JS		 66#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
67 &max, EV_ABS, (c))
68#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
69 &max, EV_KEY, (c))
dde5845a 70
58b93995 71static inline int match_scancode(unsigned int code, unsigned int scancode)
fe7ba31f
MR		 72{
73 if (scancode == 0)
74 return 1;
58b93995
DT		 75
76 return (code & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
fe7ba31f
MR		 77}
78
58b93995 79static inline int match_keycode(unsigned int code, unsigned int keycode)
fe7ba31f
MR		 80{
81 if (keycode == 0)
82 return 1;
58b93995
DT		 83
84 return code == keycode;
fe7ba31f
MR		 85}
86
87static struct hid_usage *hidinput_find_key(struct hid_device *hid,
58b93995
DT		 88 unsigned int scancode,
89 unsigned int keycode)
fe7ba31f
MR		 90{
91 int i, j, k;
92 struct hid_report *report;
93 struct hid_usage *usage;
94
95 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
96 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
97 for (i = 0; i < report->maxfield; i++) {
98 for ( j = 0; j < report->field[i]->maxusage; j++) {
99 usage = report->field[i]->usage + j;
100 if (usage->type == EV_KEY &&
101 match_scancode(usage->hid, scancode) &&
102 match_keycode(usage->code, keycode))
103 return usage;
104 }
105 }
106 }
107 }
108 return NULL;
109}
110
58b93995
DT		 111static int hidinput_getkeycode(struct input_dev *dev,
112 unsigned int scancode, unsigned int *keycode)
fe7ba31f 113{
f202df60 114 struct hid_device *hid = input_get_drvdata(dev);
fe7ba31f 115 struct hid_usage *usage;
77b29662 116
fe7ba31f
MR		 117 usage = hidinput_find_key(hid, scancode, 0);
118 if (usage) {
119 *keycode = usage->code;
120 return 0;
121 }
122 return -EINVAL;
123}
124
58b93995
DT		 125static int hidinput_setkeycode(struct input_dev *dev,
126 unsigned int scancode, unsigned int keycode)
fe7ba31f 127{
f202df60 128 struct hid_device *hid = input_get_drvdata(dev);
fe7ba31f
MR		 129 struct hid_usage *usage;
130 int old_keycode;
77b29662 131
fe7ba31f
MR		 132 usage = hidinput_find_key(hid, scancode, 0);
133 if (usage) {
134 old_keycode = usage->code;
135 usage->code = keycode;
77b29662 136
fe7ba31f
MR		 137 clear_bit(old_keycode, dev->keybit);
138 set_bit(usage->code, dev->keybit);
58037eb9 139 dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
fe7ba31f
MR		 140 /* Set the keybit for the old keycode if the old keycode is used
141 * by another key */
142 if (hidinput_find_key (hid, 0, old_keycode))
143 set_bit(old_keycode, dev->keybit);
77b29662 144
fe7ba31f
MR		 145 return 0;
146 }
77b29662 147
fe7ba31f
MR		 148 return -EINVAL;
149}
150
151
4ea6e4ff
NK		 152/**
153 * hidinput_calc_abs_res - calculate an absolute axis resolution
154 * @field: the HID report field to calculate resolution for
155 * @code: axis code
156 *
157 * The formula is:
158 * (logical_maximum - logical_minimum)
159 * resolution = ----------------------------------------------------------
160 * (physical_maximum - physical_minimum) * 10 ^ unit_exponent
161 *
162 * as seen in the HID specification v1.11 6.2.2.7 Global Items.
163 *
164 * Only exponent 1 length units are processed. Centimeters are converted to
165 * inches. Degrees are converted to radians.
166 */
167static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
168{
169 __s32 unit_exponent = field->unit_exponent;
170 __s32 logical_extents = field->logical_maximum -
171 field->logical_minimum;
172 __s32 physical_extents = field->physical_maximum -
173 field->physical_minimum;
174 __s32 prev;
175
176 /* Check if the extents are sane */
177 if (logical_extents <= 0 || physical_extents <= 0)
178 return 0;
179
180 /*
181 * Verify and convert units.
182 * See HID specification v1.11 6.2.2.7 Global Items for unit decoding
183 */
184 if (code == ABS_X || code == ABS_Y || code == ABS_Z) {
185 if (field->unit == 0x11) { /* If centimeters */
186 /* Convert to inches */
187 prev = logical_extents;
188 logical_extents *= 254;
189 if (logical_extents < prev)
190 return 0;
191 unit_exponent += 2;
192 } else if (field->unit != 0x13) { /* If not inches */
193 return 0;
194 }
195 } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) {
196 if (field->unit == 0x14) { /* If degrees */
197 /* Convert to radians */
198 prev = logical_extents;
199 logical_extents *= 573;
200 if (logical_extents < prev)
201 return 0;
202 unit_exponent += 1;
203 } else if (field->unit != 0x12) { /* If not radians */
204 return 0;
205 }
206 } else {
207 return 0;
208 }
209
210 /* Apply negative unit exponent */
211 for (; unit_exponent < 0; unit_exponent++) {
212 prev = logical_extents;
213 logical_extents *= 10;
214 if (logical_extents < prev)
215 return 0;
216 }
217 /* Apply positive unit exponent */
218 for (; unit_exponent > 0; unit_exponent--) {
219 prev = physical_extents;
220 physical_extents *= 10;
221 if (physical_extents < prev)
222 return 0;
223 }
224
225 /* Calculate resolution */
226 return logical_extents / physical_extents;
227}
228
dde5845a
JK		 229static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
230 struct hid_usage *usage)
231{
232 struct input_dev *input = hidinput->input;
e0712985 233 struct hid_device *device = input_get_drvdata(input);
3715ade9 234 int max = 0, code;
dde5845a
JK		 235 unsigned long *bit = NULL;
236
237 field->hidinput = hidinput;
238
dde5845a
JK		 239 if (field->flags & HID_MAIN_ITEM_CONSTANT)
240 goto ignore;
241
82eb1219
JK		 242 /* only LED usages are supported in output fields */
243 if (field->report_type == HID_OUTPUT_REPORT &&
244 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
82eb1219
JK		 245 goto ignore;
246 }
247
c500c971
JS		 248 if (device->driver->input_mapping) {
249 int ret = device->driver->input_mapping(device, hidinput, field,
250 usage, &bit, &max);
251 if (ret > 0)
252 goto mapped;
253 if (ret < 0)
254 goto ignore;
255 }
256
dde5845a 257 switch (usage->hid & HID_USAGE_PAGE) {
880d29f1
JS		 258 case HID_UP_UNDEFINED:
259 goto ignore;
dde5845a 260
880d29f1
JS		 261 case HID_UP_KEYBOARD:
262 set_bit(EV_REP, input->evbit);
dde5845a 263
880d29f1
JS		 264 if ((usage->hid & HID_USAGE) < 256) {
265 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
266 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
267 } else
268 map_key(KEY_UNKNOWN);
dde5845a 269
880d29f1 270 break;
dde5845a 271
880d29f1 272 case HID_UP_BUTTON:
7f978b9b 273 code = ((usage->hid - 1) & HID_USAGE);
dde5845a 274
880d29f1
JS		 275 switch (field->application) {
276 case HID_GD_MOUSE:
277 case HID_GD_POINTER: code += 0x110; break;
cf2f765f 278 case HID_GD_JOYSTICK:
fc99f22c
DM		 279 if (code <= 0xf)
280 code += BTN_JOYSTICK;
281 else
282 code += BTN_TRIGGER_HAPPY;
283 break;
880d29f1
JS		 284 case HID_GD_GAMEPAD: code += 0x130; break;
285 default:
286 switch (field->physical) {
287 case HID_GD_MOUSE:
288 case HID_GD_POINTER: code += 0x110; break;
289 case HID_GD_JOYSTICK: code += 0x120; break;
290 case HID_GD_GAMEPAD: code += 0x130; break;
291 default: code += 0x100;
dde5845a 292 }
880d29f1 293 }
dde5845a 294
880d29f1
JS		 295 map_key(code);
296 break;
297
298 case HID_UP_SIMULATION:
299 switch (usage->hid & 0xffff) {
300 case 0xba: map_abs(ABS_RUDDER); break;
301 case 0xbb: map_abs(ABS_THROTTLE); break;
302 case 0xc4: map_abs(ABS_GAS); break;
303 case 0xc5: map_abs(ABS_BRAKE); break;
304 case 0xc8: map_abs(ABS_WHEEL); break;
305 default: goto ignore;
306 }
307 break;
308
309 case HID_UP_GENDESK:
310 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
311 switch (usage->hid & 0xf) {
312 case 0x1: map_key_clear(KEY_POWER); break;
313 case 0x2: map_key_clear(KEY_SLEEP); break;
314 case 0x3: map_key_clear(KEY_WAKEUP); break;
315 default: goto unknown;
dde5845a
JK		 316 }
317 break;
880d29f1 318 }
dde5845a 319
880d29f1 320 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
dde5845a 321 switch (usage->hid) {
880d29f1
JS		 322 case HID_GD_UP: usage->hat_dir = 1; break;
323 case HID_GD_DOWN: usage->hat_dir = 5; break;
324 case HID_GD_RIGHT: usage->hat_dir = 3; break;
325 case HID_GD_LEFT: usage->hat_dir = 7; break;
326 default: goto unknown;
dde5845a 327 }
880d29f1
JS		 328 if (field->dpad) {
329 map_abs(field->dpad);
330 goto ignore;
d4ae650a 331 }
880d29f1 332 map_abs(ABS_HAT0X);
dde5845a 333 break;
880d29f1 334 }
dde5845a 335
880d29f1
JS		 336 switch (usage->hid) {
337 /* These usage IDs map directly to the usage codes. */
338 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
339 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
340 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
341 if (field->flags & HID_MAIN_ITEM_RELATIVE)
342 map_rel(usage->hid & 0xf);
343 else
344 map_abs(usage->hid & 0xf);
345 break;
dde5845a 346
880d29f1
JS		 347 case HID_GD_HATSWITCH:
348 usage->hat_min = field->logical_minimum;
349 usage->hat_max = field->logical_maximum;
350 map_abs(ABS_HAT0X);
351 break;
dde5845a 352
880d29f1
JS		 353 case HID_GD_START: map_key_clear(BTN_START); break;
354 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
dde5845a 355
880d29f1
JS		 356 default: goto unknown;
357 }
dde5845a 358
880d29f1
JS		 359 break;
360
361 case HID_UP_LED:
362 switch (usage->hid & 0xffff) { /* HID-Value: */
363 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
364 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
365 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
366 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
367 case 0x05: map_led (LED_KANA); break; /* "Kana" */
368 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
369 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
370 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
371 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
372 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
373 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
374
375 default: goto ignore;
376 }
377 break;
378
379 case HID_UP_DIGITIZER:
380 switch (usage->hid & 0xff) {
8c8b01c3
FB		 381 case 0x00: /* Undefined */
382 goto ignore;
383
880d29f1
JS		 384 case 0x30: /* TipPressure */
385 if (!test_bit(BTN_TOUCH, input->keybit)) {
386 device->quirks |= HID_QUIRK_NOTOUCH;
387 set_bit(EV_KEY, input->evbit);
388 set_bit(BTN_TOUCH, input->keybit);
dde5845a 389 }
880d29f1 390 map_abs_clear(ABS_PRESSURE);
dde5845a
JK		 391 break;
392
880d29f1
JS		 393 case 0x32: /* InRange */
394 switch (field->physical & 0xff) {
395 case 0x21: map_key(BTN_TOOL_MOUSE); break;
396 case 0x22: map_key(BTN_TOOL_FINGER); break;
397 default: map_key(BTN_TOOL_PEN); break;
dde5845a
JK		 398 }
399 break;
400
880d29f1
JS		 401 case 0x3c: /* Invert */
402 map_key_clear(BTN_TOOL_RUBBER);
dde5845a
JK		 403 break;
404
880d29f1
JS		 405 case 0x33: /* Touch */
406 case 0x42: /* TipSwitch */
407 case 0x43: /* TipSwitch2 */
408 device->quirks &= ~HID_QUIRK_NOTOUCH;
409 map_key_clear(BTN_TOUCH);
410 break;
dde5845a 411
880d29f1
JS		 412 case 0x44: /* BarrelSwitch */
413 map_key_clear(BTN_STYLUS);
414 break;
dde5845a 415
50b63697
NK		 416 case 0x46: /* TabletPick */
417 map_key_clear(BTN_STYLUS2);
418 break;
419
880d29f1
JS		 420 default: goto unknown;
421 }
422 break;
423
424 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
425 switch (usage->hid & HID_USAGE) {
426 case 0x000: goto ignore;
427 case 0x034: map_key_clear(KEY_SLEEP); break;
428 case 0x036: map_key_clear(BTN_MISC); break;
429
430 case 0x040: map_key_clear(KEY_MENU); break;
431 case 0x045: map_key_clear(KEY_RADIO); break;
432
433 case 0x083: map_key_clear(KEY_LAST); break;
434 case 0x088: map_key_clear(KEY_PC); break;
435 case 0x089: map_key_clear(KEY_TV); break;
436 case 0x08a: map_key_clear(KEY_WWW); break;
437 case 0x08b: map_key_clear(KEY_DVD); break;
438 case 0x08c: map_key_clear(KEY_PHONE); break;
439 case 0x08d: map_key_clear(KEY_PROGRAM); break;
440 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
441 case 0x08f: map_key_clear(KEY_GAMES); break;
442 case 0x090: map_key_clear(KEY_MEMO); break;
443 case 0x091: map_key_clear(KEY_CD); break;
444 case 0x092: map_key_clear(KEY_VCR); break;
445 case 0x093: map_key_clear(KEY_TUNER); break;
446 case 0x094: map_key_clear(KEY_EXIT); break;
447 case 0x095: map_key_clear(KEY_HELP); break;
448 case 0x096: map_key_clear(KEY_TAPE); break;
449 case 0x097: map_key_clear(KEY_TV2); break;
450 case 0x098: map_key_clear(KEY_SAT); break;
451 case 0x09a: map_key_clear(KEY_PVR); break;
452
453 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
454 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
455 case 0x0a0: map_key_clear(KEY_VCR2); break;
456
457 case 0x0b0: map_key_clear(KEY_PLAY); break;
458 case 0x0b1: map_key_clear(KEY_PAUSE); break;
459 case 0x0b2: map_key_clear(KEY_RECORD); break;
460 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
461 case 0x0b4: map_key_clear(KEY_REWIND); break;
462 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
463 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
464 case 0x0b7: map_key_clear(KEY_STOPCD); break;
465 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
466 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
467
468 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
469 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
470 case 0x0e2: map_key_clear(KEY_MUTE); break;
471 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
472 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
473 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
474
475 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
476 case 0x183: map_key_clear(KEY_CONFIG); break;
477 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
478 case 0x185: map_key_clear(KEY_EDITOR); break;
479 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
480 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
481 case 0x188: map_key_clear(KEY_PRESENTATION); break;
482 case 0x189: map_key_clear(KEY_DATABASE); break;
483 case 0x18a: map_key_clear(KEY_MAIL); break;
484 case 0x18b: map_key_clear(KEY_NEWS); break;
485 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
486 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
487 case 0x18e: map_key_clear(KEY_CALENDAR); break;
488 case 0x191: map_key_clear(KEY_FINANCE); break;
489 case 0x192: map_key_clear(KEY_CALC); break;
490 case 0x194: map_key_clear(KEY_FILE); break;
491 case 0x196: map_key_clear(KEY_WWW); break;
0690535d 492 case 0x199: map_key_clear(KEY_CHAT); break;
880d29f1
JS		 493 case 0x19c: map_key_clear(KEY_LOGOFF); break;
494 case 0x19e: map_key_clear(KEY_COFFEE); break;
495 case 0x1a6: map_key_clear(KEY_HELP); break;
496 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
497 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
498 case 0x1b6: map_key_clear(KEY_MEDIA); break;
499 case 0x1b7: map_key_clear(KEY_SOUND); break;
500 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
501 case 0x1bd: map_key_clear(KEY_INFO); break;
502 case 0x201: map_key_clear(KEY_NEW); break;
503 case 0x202: map_key_clear(KEY_OPEN); break;
504 case 0x203: map_key_clear(KEY_CLOSE); break;
505 case 0x204: map_key_clear(KEY_EXIT); break;
506 case 0x207: map_key_clear(KEY_SAVE); break;
507 case 0x208: map_key_clear(KEY_PRINT); break;
508 case 0x209: map_key_clear(KEY_PROPS); break;
509 case 0x21a: map_key_clear(KEY_UNDO); break;
510 case 0x21b: map_key_clear(KEY_COPY); break;
511 case 0x21c: map_key_clear(KEY_CUT); break;
512 case 0x21d: map_key_clear(KEY_PASTE); break;
513 case 0x21f: map_key_clear(KEY_FIND); break;
514 case 0x221: map_key_clear(KEY_SEARCH); break;
515 case 0x222: map_key_clear(KEY_GOTO); break;
516 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
517 case 0x224: map_key_clear(KEY_BACK); break;
518 case 0x225: map_key_clear(KEY_FORWARD); break;
519 case 0x226: map_key_clear(KEY_STOP); break;
520 case 0x227: map_key_clear(KEY_REFRESH); break;
521 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
522 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
523 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
524 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
525 case 0x233: map_key_clear(KEY_SCROLLUP); break;
526 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
527 case 0x238: map_rel(REL_HWHEEL); break;
528 case 0x25f: map_key_clear(KEY_CANCEL); break;
529 case 0x279: map_key_clear(KEY_REDO); break;
530
531 case 0x289: map_key_clear(KEY_REPLY); break;
532 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
533 case 0x28c: map_key_clear(KEY_SEND); break;
534
535 default: goto ignore;
536 }
537 break;
538
539 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
540 set_bit(EV_REP, input->evbit);
541 switch (usage->hid & HID_USAGE) {
542 case 0x021: map_key_clear(KEY_PRINT); break;
543 case 0x070: map_key_clear(KEY_HP); break;
544 case 0x071: map_key_clear(KEY_CAMERA); break;
545 case 0x072: map_key_clear(KEY_SOUND); break;
546 case 0x073: map_key_clear(KEY_QUESTION); break;
547 case 0x080: map_key_clear(KEY_EMAIL); break;
548 case 0x081: map_key_clear(KEY_CHAT); break;
549 case 0x082: map_key_clear(KEY_SEARCH); break;
550 case 0x083: map_key_clear(KEY_CONNECT); break;
551 case 0x084: map_key_clear(KEY_FINANCE); break;
552 case 0x085: map_key_clear(KEY_SPORT); break;
553 case 0x086: map_key_clear(KEY_SHOP); break;
554 default: goto ignore;
555 }
556 break;
dde5845a 557
880d29f1
JS		 558 case HID_UP_MSVENDOR:
559 goto ignore;
dde5845a 560
880d29f1
JS		 561 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
562 set_bit(EV_REP, input->evbit);
563 goto ignore;
dde5845a 564
880d29f1
JS		 565 case HID_UP_LOGIVENDOR:
566 goto ignore;
fc99f22c 567
880d29f1
JS		 568 case HID_UP_PID:
569 switch (usage->hid & HID_USAGE) {
570 case 0xa4: map_key_clear(BTN_DEAD); break;
571 default: goto ignore;
572 }
573 break;
dde5845a 574
880d29f1
JS		 575 default:
576 unknown:
577 if (field->report_size == 1) {
578 if (field->report->type == HID_OUTPUT_REPORT) {
579 map_led(LED_MISC);
dde5845a
JK		 580 break;
581 }
880d29f1 582 map_key(BTN_MISC);
dde5845a 583 break;
880d29f1
JS		 584 }
585 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
586 map_rel(REL_MISC);
587 break;
588 }
589 map_abs(ABS_MISC);
590 break;
dde5845a
JK		 591 }
592
10bd065f 593mapped:
c500c971
JS		 594 if (device->driver->input_mapped && device->driver->input_mapped(device,
595 hidinput, field, usage, &bit, &max) < 0)
596 goto ignore;
597
dde5845a
JK		 598 set_bit(usage->type, input->evbit);
599
600 while (usage->code <= max && test_and_set_bit(usage->code, bit))
601 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
602
603 if (usage->code > max)
604 goto ignore;
605
606
607 if (usage->type == EV_ABS) {
608
609 int a = field->logical_minimum;
610 int b = field->logical_maximum;
611
612 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
613 a = field->logical_minimum = 0;
614 b = field->logical_maximum = 255;
615 }
616
617 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
618 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
619 else input_set_abs_params(input, usage->code, a, b, 0, 0);
620
4ea6e4ff
NK		 621 input_abs_set_res(input, usage->code,
622 hidinput_calc_abs_res(field, usage->code));
623
6967b4d9
HR		 624 /* use a larger default input buffer for MT devices */
625 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
626 input_set_events_per_packet(input, 60);
dde5845a
JK		 627 }
628
629 if (usage->type == EV_ABS &&
630 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
631 int i;
632 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
633 input_set_abs_params(input, i, -1, 1, 0, 0);
634 set_bit(i, input->absbit);
635 }
636 if (usage->hat_dir && !field->dpad)
637 field->dpad = usage->code;
638 }
639
2c1d8aea
JK		 640 /* for those devices which produce Consumer volume usage as relative,
641 * we emulate pressing volumeup/volumedown appropriate number of times
642 * in hidinput_hid_event()
643 */
644 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
645 (usage->code == ABS_VOLUME)) {
646 set_bit(KEY_VOLUMEUP, input->keybit);
647 set_bit(KEY_VOLUMEDOWN, input->keybit);
648 }
649
c01d50d1
JK		 650 if (usage->type == EV_KEY) {
651 set_bit(EV_MSC, input->evbit);
652 set_bit(MSC_SCAN, input->mscbit);
653 }
654
dde5845a 655ignore:
dde5845a 656 return;
a635f9dd 657
dde5845a
JK		 658}
659
660void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
661{
662 struct input_dev *input;
b4482a4b 663 unsigned *quirks = &hid->quirks;
dde5845a
JK		 664
665 if (!field->hidinput)
666 return;
667
668 input = field->hidinput->input;
669
670 if (!usage->type)
671 return;
672
dde5845a
JK		 673 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
674 int hat_dir = usage->hat_dir;
675 if (!hat_dir)
676 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
677 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
678 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
fc99f22c
DM		 679 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
680 return;
681 }
dde5845a
JK		 682
683 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
684 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
685 return;
686 }
687
688 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
689 if (value) {
690 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
691 return;
692 }
693 input_event(input, usage->type, usage->code, 0);
694 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
695 return;
696 }
697
698 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
699 int a = field->logical_minimum;
700 int b = field->logical_maximum;
701 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
702 }
703
704 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
58037eb9 705 dbg_hid("Maximum Effects - %d\n",value);
dde5845a
JK		 706 return;
707 }
708
709 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
58037eb9 710 dbg_hid("PID Pool Report\n");
dde5845a
JK		 711 return;
712 }
713
714 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
715 return;
716
2c1d8aea
JK		 717 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
718 (usage->code == ABS_VOLUME)) {
719 int count = abs(value);
720 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
721 int i;
722
723 for (i = 0; i < count; i++) {
724 input_event(input, EV_KEY, direction, 1);
725 input_sync(input);
726 input_event(input, EV_KEY, direction, 0);
727 input_sync(input);
728 }
729 return;
730 }
731
c01d50d1
JK		 732 /* report the usage code as scancode if the key status has changed */
733 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
734 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1fe8736d 735
dde5845a
JK		 736 input_event(input, usage->type, usage->code, value);
737
738 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
739 input_event(input, usage->type, usage->code, 0);
740}
741
742void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
743{
744 struct hid_input *hidinput;
745
24750f3e
HR		 746 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
747 return;
748
dde5845a
JK		 749 list_for_each_entry(hidinput, &hid->inputs, list)
750 input_sync(hidinput->input);
751}
229695e5 752EXPORT_SYMBOL_GPL(hidinput_report_event);
dde5845a 753
229695e5 754int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
dde5845a
JK		 755{
756 struct hid_report *report;
757 int i, j;
758
759 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
760 for (i = 0; i < report->maxfield; i++) {
761 *field = report->field[i];
762 for (j = 0; j < (*field)->maxusage; j++)
763 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
764 return j;
765 }
766 }
767 return -1;
768}
229695e5 769EXPORT_SYMBOL_GPL(hidinput_find_field);
dde5845a 770
7c379146
JK		 771static int hidinput_open(struct input_dev *dev)
772{
e0712985
DT		 773 struct hid_device *hid = input_get_drvdata(dev);
774
c500c971 775 return hid->ll_driver->open(hid);
7c379146
JK		 776}
777
778static void hidinput_close(struct input_dev *dev)
779{
e0712985
DT		 780 struct hid_device *hid = input_get_drvdata(dev);
781
c500c971 782 hid->ll_driver->close(hid);
7c379146
JK		 783}
784
dde5845a
JK		 785/*
786 * Register the input device; print a message.
787 * Configure the input layer interface
788 * Read all reports and initialize the absolute field values.
789 */
790
93c10132 791int hidinput_connect(struct hid_device *hid, unsigned int force)
dde5845a 792{
dde5845a
JK		 793 struct hid_report *report;
794 struct hid_input *hidinput = NULL;
795 struct input_dev *input_dev;
796 int i, j, k;
5556feae 797 int max_report_type = HID_OUTPUT_REPORT;
dde5845a
JK		 798
799 INIT_LIST_HEAD(&hid->inputs);
800
93c10132
JS		 801 if (!force) {
802 for (i = 0; i < hid->maxcollection; i++) {
803 struct hid_collection *col = &hid->collection[i];
804 if (col->type == HID_COLLECTION_APPLICATION ||
805 col->type == HID_COLLECTION_PHYSICAL)
806 if (IS_INPUT_APPLICATION(col->usage))
807 break;
808 }
dde5845a 809
93c10132
JS		 810 if (i == hid->maxcollection)
811 return -1;
812 }
dde5845a 813
5556feae
AH		 814 if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
815 max_report_type = HID_INPUT_REPORT;
816
817 for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
dde5845a
JK		 818 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
819
820 if (!report->maxfield)
821 continue;
822
823 if (!hidinput) {
824 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
825 input_dev = input_allocate_device();
826 if (!hidinput || !input_dev) {
827 kfree(hidinput);
828 input_free_device(input_dev);
58037eb9 829 err_hid("Out of memory during hid input probe");
368d290b 830 goto out_unwind;
dde5845a
JK		 831 }
832
e0712985 833 input_set_drvdata(input_dev, hid);
c500c971
JS		 834 input_dev->event =
835 hid->ll_driver->hidinput_input_event;
7c379146
JK		 836 input_dev->open = hidinput_open;
837 input_dev->close = hidinput_close;
fe7ba31f
MR		 838 input_dev->setkeycode = hidinput_setkeycode;
839 input_dev->getkeycode = hidinput_getkeycode;
dde5845a
JK		 840
841 input_dev->name = hid->name;
842 input_dev->phys = hid->phys;
843 input_dev->uniq = hid->uniq;
229695e5
JK		 844 input_dev->id.bustype = hid->bus;
845 input_dev->id.vendor = hid->vendor;
846 input_dev->id.product = hid->product;
847 input_dev->id.version = hid->version;
85cdaf52 848 input_dev->dev.parent = hid->dev.parent;
dde5845a
JK		 849 hidinput->input = input_dev;
850 list_add_tail(&hidinput->list, &hid->inputs);
851 }
852
853 for (i = 0; i < report->maxfield; i++)
854 for (j = 0; j < report->field[i]->maxusage; j++)
855 hidinput_configure_usage(hidinput, report->field[i],
856 report->field[i]->usage + j);
857
858 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
859 /* This will leave hidinput NULL, so that it
860 * allocates another one if we have more inputs on
861 * the same interface. Some devices (e.g. Happ's
862 * UGCI) cram a lot of unrelated inputs into the
863 * same interface. */
864 hidinput->report = report;
368d290b
DH		 865 if (input_register_device(hidinput->input))
866 goto out_cleanup;
dde5845a
JK		 867 hidinput = NULL;
868 }
869 }
870
368d290b
DH		 871 if (hidinput && input_register_device(hidinput->input))
872 goto out_cleanup;
dde5845a
JK		 873
874 return 0;
368d290b
DH		 875
876out_cleanup:
877 input_free_device(hidinput->input);
878 kfree(hidinput);
879out_unwind:
880 /* unwind the ones we already registered */
881 hidinput_disconnect(hid);
882
883 return -1;
dde5845a 884}
229695e5 885EXPORT_SYMBOL_GPL(hidinput_connect);
dde5845a
JK		 886
887void hidinput_disconnect(struct hid_device *hid)
888{
889 struct hid_input *hidinput, *next;
890
891 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
892 list_del(&hidinput->list);
893 input_unregister_device(hidinput->input);
894 kfree(hidinput);
895 }
896}
229695e5
JK		 897EXPORT_SYMBOL_GPL(hidinput_disconnect);
898
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