blob: b28cf8593b48a2897109ee633f72836da6fc750b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $
3 *
4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 *
6 * USB HID to Linux Input mapping
7 */
8
9/*
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 * Should you need to contact me, the author, you can do so either by
25 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
26 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
27 */
28
29#include <linux/module.h>
30#include <linux/slab.h>
31#include <linux/kernel.h>
32#include <linux/input.h>
33#include <linux/usb.h>
Dmitry Torokhov16a334c2005-06-30 00:49:08 -050034#include <linux/usb_input.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
36#undef DEBUG
37
38#include "hid.h"
39
40#define unk KEY_UNKNOWN
41
42static unsigned char hid_keyboard[256] = {
43 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
44 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
45 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
46 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
47 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
48 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
49 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
50 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
51 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
52 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
53 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
54 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
55 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
56 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
57 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
58 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
59};
60
61static struct {
62 __s32 x;
63 __s32 y;
64} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
65
66#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
67#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
68#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
69#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
70#define map_ff(c) do { usage->code = c; usage->type = EV_FF; bit = input->ffbit; max = FF_MAX; } while (0)
71
72#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
73#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
74#define map_ff_effect(c) do { set_bit(c, input->ffbit); } while (0)
75
76static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
77 struct hid_usage *usage)
78{
79 struct input_dev *input = &hidinput->input;
80 struct hid_device *device = hidinput->input.private;
Vojtech Pavlik8a409b02005-09-05 00:08:08 -050081 int max = 0, code;
82 unsigned long *bit = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
84 field->hidinput = hidinput;
85
86#ifdef DEBUG
87 printk(KERN_DEBUG "Mapping: ");
88 resolv_usage(usage->hid);
89 printk(" ---> ");
90#endif
91
92 if (field->flags & HID_MAIN_ITEM_CONSTANT)
93 goto ignore;
94
95 switch (usage->hid & HID_USAGE_PAGE) {
96
97 case HID_UP_UNDEFINED:
98 goto ignore;
99
100 case HID_UP_KEYBOARD:
101
102 set_bit(EV_REP, input->evbit);
103
104 if ((usage->hid & HID_USAGE) < 256) {
105 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
106 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
107 } else
108 map_key(KEY_UNKNOWN);
109
110 break;
111
112 case HID_UP_BUTTON:
113
114 code = ((usage->hid - 1) & 0xf);
115
116 switch (field->application) {
117 case HID_GD_MOUSE:
118 case HID_GD_POINTER: code += 0x110; break;
119 case HID_GD_JOYSTICK: code += 0x120; break;
120 case HID_GD_GAMEPAD: code += 0x130; break;
121 default:
122 switch (field->physical) {
123 case HID_GD_MOUSE:
124 case HID_GD_POINTER: code += 0x110; break;
125 case HID_GD_JOYSTICK: code += 0x120; break;
126 case HID_GD_GAMEPAD: code += 0x130; break;
127 default: code += 0x100;
128 }
129 }
130
131 map_key(code);
132 break;
133
Vojtech Pavlik0aebfda2005-09-05 00:07:59 -0500134
135 case HID_UP_SIMULATION:
136
137 switch (usage->hid & 0xffff) {
138 case 0xba: map_abs(ABS_RUDDER); break;
139 case 0xbb: map_abs(ABS_THROTTLE); break;
140 }
141 break;
142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143 case HID_UP_GENDESK:
144
145 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
146 switch (usage->hid & 0xf) {
147 case 0x1: map_key_clear(KEY_POWER); break;
148 case 0x2: map_key_clear(KEY_SLEEP); break;
149 case 0x3: map_key_clear(KEY_WAKEUP); break;
150 default: goto unknown;
151 }
152 break;
153 }
154
155 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
156 switch (usage->hid) {
157 case HID_GD_UP: usage->hat_dir = 1; break;
158 case HID_GD_DOWN: usage->hat_dir = 5; break;
159 case HID_GD_RIGHT: usage->hat_dir = 3; break;
160 case HID_GD_LEFT: usage->hat_dir = 7; break;
161 default: goto unknown;
162 }
163 if (field->dpad) {
164 map_abs(field->dpad);
165 goto ignore;
166 }
167 map_abs(ABS_HAT0X);
168 break;
169 }
170
171 switch (usage->hid) {
172
173 /* These usage IDs map directly to the usage codes. */
174 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
175 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
176 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500177 if (field->flags & HID_MAIN_ITEM_RELATIVE)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 map_rel(usage->hid & 0xf);
179 else
180 map_abs(usage->hid & 0xf);
181 break;
182
183 case HID_GD_HATSWITCH:
184 usage->hat_min = field->logical_minimum;
185 usage->hat_max = field->logical_maximum;
186 map_abs(ABS_HAT0X);
187 break;
188
189 case HID_GD_START: map_key_clear(BTN_START); break;
190 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
191
192 default: goto unknown;
193 }
194
195 break;
196
197 case HID_UP_LED:
198 if (((usage->hid - 1) & 0xffff) >= LED_MAX)
199 goto ignore;
200 map_led((usage->hid - 1) & 0xffff);
201 break;
202
203 case HID_UP_DIGITIZER:
204
205 switch (usage->hid & 0xff) {
206
207 case 0x30: /* TipPressure */
208 if (!test_bit(BTN_TOUCH, input->keybit)) {
209 device->quirks |= HID_QUIRK_NOTOUCH;
210 set_bit(EV_KEY, input->evbit);
211 set_bit(BTN_TOUCH, input->keybit);
212 }
213
214 map_abs_clear(ABS_PRESSURE);
215 break;
216
217 case 0x32: /* InRange */
218 switch (field->physical & 0xff) {
219 case 0x21: map_key(BTN_TOOL_MOUSE); break;
220 case 0x22: map_key(BTN_TOOL_FINGER); break;
221 default: map_key(BTN_TOOL_PEN); break;
222 }
223 break;
224
225 case 0x3c: /* Invert */
226 map_key_clear(BTN_TOOL_RUBBER);
227 break;
228
229 case 0x33: /* Touch */
230 case 0x42: /* TipSwitch */
231 case 0x43: /* TipSwitch2 */
232 device->quirks &= ~HID_QUIRK_NOTOUCH;
233 map_key_clear(BTN_TOUCH);
234 break;
235
236 case 0x44: /* BarrelSwitch */
237 map_key_clear(BTN_STYLUS);
238 break;
239
240 default: goto unknown;
241 }
242 break;
243
244 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
245
246 switch (usage->hid & HID_USAGE) {
247 case 0x000: goto ignore;
248 case 0x034: map_key_clear(KEY_SLEEP); break;
249 case 0x036: map_key_clear(BTN_MISC); break;
250 case 0x08a: map_key_clear(KEY_WWW); break;
Vojtech Pavlik8a409b02005-09-05 00:08:08 -0500251 case 0x08d: map_key_clear(KEY_PROGRAM); break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252 case 0x095: map_key_clear(KEY_HELP); break;
Vojtech Pavlik8a409b02005-09-05 00:08:08 -0500253 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
254 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255 case 0x0b0: map_key_clear(KEY_PLAY); break;
256 case 0x0b1: map_key_clear(KEY_PAUSE); break;
257 case 0x0b2: map_key_clear(KEY_RECORD); break;
258 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
259 case 0x0b4: map_key_clear(KEY_REWIND); break;
260 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
261 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
262 case 0x0b7: map_key_clear(KEY_STOPCD); break;
263 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
264 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
265 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
266 case 0x0e2: map_key_clear(KEY_MUTE); break;
267 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
268 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
269 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
270 case 0x183: map_key_clear(KEY_CONFIG); break;
271 case 0x18a: map_key_clear(KEY_MAIL); break;
272 case 0x192: map_key_clear(KEY_CALC); break;
273 case 0x194: map_key_clear(KEY_FILE); break;
Vojtech Pavlik8a409b02005-09-05 00:08:08 -0500274 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
275 case 0x201: map_key_clear(KEY_NEW); break;
276 case 0x207: map_key_clear(KEY_SAVE); break;
277 case 0x208: map_key_clear(KEY_PRINT); break;
278 case 0x209: map_key_clear(KEY_PROPS); break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 case 0x21a: map_key_clear(KEY_UNDO); break;
280 case 0x21b: map_key_clear(KEY_COPY); break;
281 case 0x21c: map_key_clear(KEY_CUT); break;
282 case 0x21d: map_key_clear(KEY_PASTE); break;
283 case 0x221: map_key_clear(KEY_FIND); break;
284 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
285 case 0x224: map_key_clear(KEY_BACK); break;
286 case 0x225: map_key_clear(KEY_FORWARD); break;
287 case 0x226: map_key_clear(KEY_STOP); break;
288 case 0x227: map_key_clear(KEY_REFRESH); break;
289 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
290 case 0x238: map_rel(REL_HWHEEL); break;
Vojtech Pavlik8a409b02005-09-05 00:08:08 -0500291 case 0x279: map_key_clear(KEY_REDO); break;
292 case 0x289: map_key_clear(KEY_REPLY); break;
293 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
294 case 0x28c: map_key_clear(KEY_SEND); break;
295 default: goto ignore;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296 }
297 break;
298
299 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
300
301 set_bit(EV_REP, input->evbit);
302 switch (usage->hid & HID_USAGE) {
303 case 0x021: map_key_clear(KEY_PRINT); break;
304 case 0x070: map_key_clear(KEY_HP); break;
305 case 0x071: map_key_clear(KEY_CAMERA); break;
306 case 0x072: map_key_clear(KEY_SOUND); break;
307 case 0x073: map_key_clear(KEY_QUESTION); break;
308 case 0x080: map_key_clear(KEY_EMAIL); break;
309 case 0x081: map_key_clear(KEY_CHAT); break;
310 case 0x082: map_key_clear(KEY_SEARCH); break;
311 case 0x083: map_key_clear(KEY_CONNECT); break;
312 case 0x084: map_key_clear(KEY_FINANCE); break;
313 case 0x085: map_key_clear(KEY_SPORT); break;
314 case 0x086: map_key_clear(KEY_SHOP); break;
315 default: goto ignore;
316 }
317 break;
318
319 case HID_UP_MSVENDOR:
Vojtech Pavlikb8c9c642005-09-05 00:07:37 -0500320 case HID_UP_LOGIVENDOR:
Vojtech Pavlik8a409b02005-09-05 00:08:08 -0500321 case HID_UP_LOGIVENDOR2:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322
323 goto ignore;
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500324
Linus Torvalds1da177e2005-04-16 15:20:36 -0700325 case HID_UP_PID:
326
327 set_bit(EV_FF, input->evbit);
328 switch(usage->hid & HID_USAGE) {
329 case 0x26: map_ff_effect(FF_CONSTANT); goto ignore;
330 case 0x27: map_ff_effect(FF_RAMP); goto ignore;
331 case 0x28: map_ff_effect(FF_CUSTOM); goto ignore;
332 case 0x30: map_ff_effect(FF_SQUARE); map_ff_effect(FF_PERIODIC); goto ignore;
333 case 0x31: map_ff_effect(FF_SINE); map_ff_effect(FF_PERIODIC); goto ignore;
334 case 0x32: map_ff_effect(FF_TRIANGLE); map_ff_effect(FF_PERIODIC); goto ignore;
335 case 0x33: map_ff_effect(FF_SAW_UP); map_ff_effect(FF_PERIODIC); goto ignore;
336 case 0x34: map_ff_effect(FF_SAW_DOWN); map_ff_effect(FF_PERIODIC); goto ignore;
337 case 0x40: map_ff_effect(FF_SPRING); goto ignore;
338 case 0x41: map_ff_effect(FF_DAMPER); goto ignore;
339 case 0x42: map_ff_effect(FF_INERTIA); goto ignore;
340 case 0x43: map_ff_effect(FF_FRICTION); goto ignore;
341 case 0x7e: map_ff(FF_GAIN); break;
342 case 0x83: input->ff_effects_max = field->value[0]; goto ignore;
343 case 0x98: map_ff(FF_AUTOCENTER); break;
344 case 0xa4: map_key_clear(BTN_DEAD); break;
345 default: goto ignore;
346 }
347 break;
348
349 default:
350 unknown:
351 if (field->report_size == 1) {
352 if (field->report->type == HID_OUTPUT_REPORT) {
353 map_led(LED_MISC);
354 break;
355 }
356 map_key(BTN_MISC);
357 break;
358 }
359 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
360 map_rel(REL_MISC);
361 break;
362 }
363 map_abs(ABS_MISC);
364 break;
365 }
366
367 set_bit(usage->type, input->evbit);
368
369 while (usage->code <= max && test_and_set_bit(usage->code, bit))
370 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
371
372 if (usage->code > max)
373 goto ignore;
374
375 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500376 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 set_bit(REL_HWHEEL, bit);
378
379 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
380 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
381 goto ignore;
382
383 if (usage->type == EV_ABS) {
384
385 int a = field->logical_minimum;
386 int b = field->logical_maximum;
387
388 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
389 a = field->logical_minimum = 0;
390 b = field->logical_maximum = 255;
391 }
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500392
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
394 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
395 else input_set_abs_params(input, usage->code, a, b, 0, 0);
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500396
Linus Torvalds1da177e2005-04-16 15:20:36 -0700397 }
398
399 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
400 int i;
401 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
402 input_set_abs_params(input, i, -1, 1, 0, 0);
403 set_bit(i, input->absbit);
404 }
405 if (usage->hat_dir && !field->dpad)
406 field->dpad = usage->code;
407 }
408
409#ifdef DEBUG
410 resolv_event(usage->type, usage->code);
411 printk("\n");
412#endif
413 return;
414
415ignore:
416#ifdef DEBUG
417 printk("IGNORED\n");
418#endif
419 return;
420}
421
422void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs)
423{
Pete Zaitceva9b2e912005-07-29 12:18:34 -0700424 struct input_dev *input;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425 int *quirks = &hid->quirks;
426
Pete Zaitceva9b2e912005-07-29 12:18:34 -0700427 if (!field->hidinput)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 return;
Pete Zaitceva9b2e912005-07-29 12:18:34 -0700429 input = &field->hidinput->input;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430
431 input_regs(input, regs);
432
433 if (!usage->type)
434 return;
435
436 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
437 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
438 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
439 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
440 return;
441 }
442
443 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
444 input_event(input, usage->type, REL_HWHEEL, value);
445 return;
446 }
447
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500448 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449 int hat_dir = usage->hat_dir;
450 if (!hat_dir)
451 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
452 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
453 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
454 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
455 return;
456 }
457
458 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
459 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
460 return;
461 }
462
463 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
464 if (value) {
465 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
466 return;
467 }
468 input_event(input, usage->type, usage->code, 0);
469 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
470 return;
471 }
472
473 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
474 int a = field->logical_minimum;
475 int b = field->logical_maximum;
476 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
477 }
478
479 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
480 input->ff_effects_max = value;
481 dbg("Maximum Effects - %d",input->ff_effects_max);
482 return;
483 }
484
485 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
486 dbg("PID Pool Report\n");
487 return;
488 }
489
490 if((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
491 return;
492
493 input_event(input, usage->type, usage->code, value);
494
495 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
496 input_event(input, usage->type, usage->code, 0);
497}
498
499void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
500{
501 struct list_head *lh;
502 struct hid_input *hidinput;
503
504 list_for_each (lh, &hid->inputs) {
505 hidinput = list_entry(lh, struct hid_input, list);
506 input_sync(&hidinput->input);
507 }
508}
509
510static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
511{
512 struct hid_report *report;
513 int i, j;
514
515 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
516 for (i = 0; i < report->maxfield; i++) {
517 *field = report->field[i];
518 for (j = 0; j < (*field)->maxusage; j++)
519 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
520 return j;
521 }
522 }
523 return -1;
524}
525
526static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
527{
528 struct hid_device *hid = dev->private;
529 struct hid_field *field;
530 int offset;
531
532 if (type == EV_FF)
533 return hid_ff_event(hid, dev, type, code, value);
534
535 if (type != EV_LED)
536 return -1;
537
538 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
539 warn("event field not found");
540 return -1;
541 }
542
543 hid_set_field(field, offset, value);
544 hid_submit_report(hid, field->report, USB_DIR_OUT);
545
546 return 0;
547}
548
549static int hidinput_open(struct input_dev *dev)
550{
551 struct hid_device *hid = dev->private;
552 return hid_open(hid);
553}
554
555static void hidinput_close(struct input_dev *dev)
556{
557 struct hid_device *hid = dev->private;
558 hid_close(hid);
559}
560
561/*
562 * Register the input device; print a message.
563 * Configure the input layer interface
564 * Read all reports and initialize the absolute field values.
565 */
566
567int hidinput_connect(struct hid_device *hid)
568{
569 struct usb_device *dev = hid->dev;
570 struct hid_report *report;
571 struct hid_input *hidinput = NULL;
572 int i, j, k;
573
574 INIT_LIST_HEAD(&hid->inputs);
575
576 for (i = 0; i < hid->maxcollection; i++)
577 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
578 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500579 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580 break;
581
582 if (i == hid->maxcollection)
583 return -1;
584
585 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
586 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
587
588 if (!report->maxfield)
589 continue;
590
591 if (!hidinput) {
592 hidinput = kmalloc(sizeof(*hidinput), GFP_KERNEL);
593 if (!hidinput) {
594 err("Out of memory during hid input probe");
595 return -1;
596 }
597 memset(hidinput, 0, sizeof(*hidinput));
598
599 list_add_tail(&hidinput->list, &hid->inputs);
600
601 hidinput->input.private = hid;
602 hidinput->input.event = hidinput_input_event;
603 hidinput->input.open = hidinput_open;
604 hidinput->input.close = hidinput_close;
605
606 hidinput->input.name = hid->name;
607 hidinput->input.phys = hid->phys;
608 hidinput->input.uniq = hid->uniq;
Dmitry Torokhov16a334c2005-06-30 00:49:08 -0500609 usb_to_input_id(dev, &hidinput->input.id);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700610 hidinput->input.dev = &hid->intf->dev;
611 }
612
613 for (i = 0; i < report->maxfield; i++)
614 for (j = 0; j < report->field[i]->maxusage; j++)
615 hidinput_configure_usage(hidinput, report->field[i],
616 report->field[i]->usage + j);
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500617
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
619 /* This will leave hidinput NULL, so that it
620 * allocates another one if we have more inputs on
621 * the same interface. Some devices (e.g. Happ's
622 * UGCI) cram a lot of unrelated inputs into the
623 * same interface. */
624 hidinput->report = report;
625 input_register_device(&hidinput->input);
626 hidinput = NULL;
627 }
628 }
629
630 /* This only gets called when we are a single-input (most of the
631 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
632 * only useful in this case, and not for multi-input quirks. */
633 if (hidinput) {
634 hid_ff_init(hid);
635 input_register_device(&hidinput->input);
636 }
637
638 return 0;
639}
640
641void hidinput_disconnect(struct hid_device *hid)
642{
643 struct list_head *lh, *next;
644 struct hid_input *hidinput;
645
646 list_for_each_safe(lh, next, &hid->inputs) {
647 hidinput = list_entry(lh, struct hid_input, list);
648 input_unregister_device(&hidinput->input);
649 list_del(&hidinput->list);
650 kfree(hidinput);
651 }
652}