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authorJiri Kosina <jkosina@suse.cz>2006-12-08 12:40:44 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-08 13:43:01 -0500
commitdde5845a529ff753364a6d1aea61180946270bfa (patch)
treee0160fe45c047024b281a2805196a8c64242b59e /drivers/usb/input/hid-input.c
parent64bb67b1702958759f650adb64ab33496641e526 (diff)
[PATCH] Generic HID layer - code split
The "big main" split of USB HID code into generic HID code and USB-transport specific HID handling. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/input/hid-input.c')
-rw-r--r--drivers/usb/input/hid-input.c844
1 files changed, 1 insertions, 843 deletions
diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c
index 3a7e5fbff025..8756eb3263de 100644
--- a/drivers/usb/input/hid-input.c
+++ b/drivers/usb/input/hid-input.c
@@ -4,6 +4,7 @@
4 * Copyright (c) 2000-2001 Vojtech Pavlik 4 * Copyright (c) 2000-2001 Vojtech Pavlik
5 * 5 *
6 * USB HID to Linux Input mapping 6 * USB HID to Linux Input mapping
7 *
7 */ 8 */
8 9
9/* 10/*
@@ -26,847 +27,4 @@
26 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
27 */ 28 */
28 29
29#include <linux/module.h>
30#include <linux/slab.h>
31#include <linux/kernel.h>
32#include <linux/usb/input.h>
33
34#undef DEBUG
35
36#include "hid.h"
37
38#define unk KEY_UNKNOWN
39
40static const unsigned char hid_keyboard[256] = {
41 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
42 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
43 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
44 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
45 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
46 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
47 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
48 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
49 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
50 122,123, 90, 91, 85,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 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
53 unk,unk,unk,unk,unk,unk,unk,unk,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 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
56 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
57};
58
59static const struct {
60 __s32 x;
61 __s32 y;
62} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
63
64#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0)
65#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0)
66#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0)
67#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0)
68
69#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
70#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
71
72#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
73
74struct hidinput_key_translation {
75 u16 from;
76 u16 to;
77 u8 flags;
78};
79
80#define POWERBOOK_FLAG_FKEY 0x01
81
82static struct hidinput_key_translation powerbook_fn_keys[] = {
83 { KEY_BACKSPACE, KEY_DELETE },
84 { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY },
85 { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY },
86 { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY },
87 { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY },
88 { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY },
89 { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY },
90 { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY },
91 { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY },
92 { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY },
93 { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY },
94 { KEY_UP, KEY_PAGEUP },
95 { KEY_DOWN, KEY_PAGEDOWN },
96 { KEY_LEFT, KEY_HOME },
97 { KEY_RIGHT, KEY_END },
98 { }
99};
100
101static struct hidinput_key_translation powerbook_numlock_keys[] = {
102 { KEY_J, KEY_KP1 },
103 { KEY_K, KEY_KP2 },
104 { KEY_L, KEY_KP3 },
105 { KEY_U, KEY_KP4 },
106 { KEY_I, KEY_KP5 },
107 { KEY_O, KEY_KP6 },
108 { KEY_7, KEY_KP7 },
109 { KEY_8, KEY_KP8 },
110 { KEY_9, KEY_KP9 },
111 { KEY_M, KEY_KP0 },
112 { KEY_DOT, KEY_KPDOT },
113 { KEY_SLASH, KEY_KPPLUS },
114 { KEY_SEMICOLON, KEY_KPMINUS },
115 { KEY_P, KEY_KPASTERISK },
116 { KEY_MINUS, KEY_KPEQUAL },
117 { KEY_0, KEY_KPSLASH },
118 { KEY_F6, KEY_NUMLOCK },
119 { KEY_KPENTER, KEY_KPENTER },
120 { KEY_BACKSPACE, KEY_BACKSPACE },
121 { }
122};
123
124static struct hidinput_key_translation powerbook_iso_keyboard[] = {
125 { KEY_GRAVE, KEY_102ND },
126 { KEY_102ND, KEY_GRAVE },
127 { }
128};
129
130static int usbhid_pb_fnmode = 1;
131module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644);
132MODULE_PARM_DESC(pb_fnmode,
133 "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
134
135static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from)
136{
137 struct hidinput_key_translation *trans;
138
139 /* Look for the translation */
140 for (trans = table; trans->from; trans++)
141 if (trans->from == from)
142 return trans;
143
144 return NULL;
145}
146
147static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
148 struct hid_usage *usage, __s32 value)
149{
150 struct hidinput_key_translation *trans;
151
152 if (usage->code == KEY_FN) {
153 if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON;
154 else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
155
156 input_event(input, usage->type, usage->code, value);
157
158 return 1;
159 }
160
161 if (usbhid_pb_fnmode) {
162 int do_translate;
163
164 trans = find_translation(powerbook_fn_keys, usage->code);
165 if (trans) {
166 if (test_bit(usage->code, hid->pb_pressed_fn))
167 do_translate = 1;
168 else if (trans->flags & POWERBOOK_FLAG_FKEY)
169 do_translate =
170 (usbhid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
171 (usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
172 else
173 do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
174
175 if (do_translate) {
176 if (value)
177 set_bit(usage->code, hid->pb_pressed_fn);
178 else
179 clear_bit(usage->code, hid->pb_pressed_fn);
180
181 input_event(input, usage->type, trans->to, value);
182
183 return 1;
184 }
185 }
186
187 if (test_bit(usage->code, hid->pb_pressed_numlock) ||
188 test_bit(LED_NUML, input->led)) {
189 trans = find_translation(powerbook_numlock_keys, usage->code);
190
191 if (trans) {
192 if (value)
193 set_bit(usage->code, hid->pb_pressed_numlock);
194 else
195 clear_bit(usage->code, hid->pb_pressed_numlock);
196
197 input_event(input, usage->type, trans->to, value);
198 }
199
200 return 1;
201 }
202 }
203
204 if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
205 trans = find_translation(powerbook_iso_keyboard, usage->code);
206 if (trans) {
207 input_event(input, usage->type, trans->to, value);
208 return 1;
209 }
210 }
211
212 return 0;
213}
214
215static void hidinput_pb_setup(struct input_dev *input)
216{
217 struct hidinput_key_translation *trans;
218
219 set_bit(KEY_NUMLOCK, input->keybit);
220
221 /* Enable all needed keys */
222 for (trans = powerbook_fn_keys; trans->from; trans++)
223 set_bit(trans->to, input->keybit);
224
225 for (trans = powerbook_numlock_keys; trans->from; trans++)
226 set_bit(trans->to, input->keybit);
227
228 for (trans = powerbook_iso_keyboard; trans->from; trans++)
229 set_bit(trans->to, input->keybit);
230}
231#else
232static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
233 struct hid_usage *usage, __s32 value)
234{
235 return 0;
236}
237
238static inline void hidinput_pb_setup(struct input_dev *input)
239{
240}
241#endif
242
243static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
244 struct hid_usage *usage)
245{
246 struct input_dev *input = hidinput->input;
247 struct hid_device *device = input->private;
248 int max = 0, code;
249 unsigned long *bit = NULL;
250
251 field->hidinput = hidinput;
252
253#ifdef DEBUG
254 printk(KERN_DEBUG "Mapping: ");
255 resolv_usage(usage->hid);
256 printk(" ---> ");
257#endif
258
259 if (field->flags & HID_MAIN_ITEM_CONSTANT)
260 goto ignore;
261
262 switch (usage->hid & HID_USAGE_PAGE) {
263
264 case HID_UP_UNDEFINED:
265 goto ignore;
266
267 case HID_UP_KEYBOARD:
268
269 set_bit(EV_REP, input->evbit);
270
271 if ((usage->hid & HID_USAGE) < 256) {
272 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
273 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
274 } else
275 map_key(KEY_UNKNOWN);
276
277 break;
278
279 case HID_UP_BUTTON:
280
281 code = ((usage->hid - 1) & 0xf);
282
283 switch (field->application) {
284 case HID_GD_MOUSE:
285 case HID_GD_POINTER: code += 0x110; break;
286 case HID_GD_JOYSTICK: code += 0x120; break;
287 case HID_GD_GAMEPAD: code += 0x130; break;
288 default:
289 switch (field->physical) {
290 case HID_GD_MOUSE:
291 case HID_GD_POINTER: code += 0x110; break;
292 case HID_GD_JOYSTICK: code += 0x120; break;
293 case HID_GD_GAMEPAD: code += 0x130; break;
294 default: code += 0x100;
295 }
296 }
297
298 map_key(code);
299 break;
300
301
302 case HID_UP_SIMULATION:
303
304 switch (usage->hid & 0xffff) {
305 case 0xba: map_abs(ABS_RUDDER); break;
306 case 0xbb: map_abs(ABS_THROTTLE); break;
307 case 0xc4: map_abs(ABS_GAS); break;
308 case 0xc5: map_abs(ABS_BRAKE); break;
309 case 0xc8: map_abs(ABS_WHEEL); break;
310 default: goto ignore;
311 }
312 break;
313
314 case HID_UP_GENDESK:
315
316 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
317 switch (usage->hid & 0xf) {
318 case 0x1: map_key_clear(KEY_POWER); break;
319 case 0x2: map_key_clear(KEY_SLEEP); break;
320 case 0x3: map_key_clear(KEY_WAKEUP); break;
321 default: goto unknown;
322 }
323 break;
324 }
325
326 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
327 switch (usage->hid) {
328 case HID_GD_UP: usage->hat_dir = 1; break;
329 case HID_GD_DOWN: usage->hat_dir = 5; break;
330 case HID_GD_RIGHT: usage->hat_dir = 3; break;
331 case HID_GD_LEFT: usage->hat_dir = 7; break;
332 default: goto unknown;
333 }
334 if (field->dpad) {
335 map_abs(field->dpad);
336 goto ignore;
337 }
338 map_abs(ABS_HAT0X);
339 break;
340 }
341
342 switch (usage->hid) {
343
344 /* These usage IDs map directly to the usage codes. */
345 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
346 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
347 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
348 if (field->flags & HID_MAIN_ITEM_RELATIVE)
349 map_rel(usage->hid & 0xf);
350 else
351 map_abs(usage->hid & 0xf);
352 break;
353
354 case HID_GD_HATSWITCH:
355 usage->hat_min = field->logical_minimum;
356 usage->hat_max = field->logical_maximum;
357 map_abs(ABS_HAT0X);
358 break;
359
360 case HID_GD_START: map_key_clear(BTN_START); break;
361 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
362
363 default: goto unknown;
364 }
365
366 break;
367
368 case HID_UP_LED:
369 if (((usage->hid - 1) & 0xffff) >= LED_MAX)
370 goto ignore;
371 map_led((usage->hid - 1) & 0xffff);
372 break;
373
374 case HID_UP_DIGITIZER:
375
376 switch (usage->hid & 0xff) {
377
378 case 0x30: /* TipPressure */
379 if (!test_bit(BTN_TOUCH, input->keybit)) {
380 device->quirks |= HID_QUIRK_NOTOUCH;
381 set_bit(EV_KEY, input->evbit);
382 set_bit(BTN_TOUCH, input->keybit);
383 }
384
385 map_abs_clear(ABS_PRESSURE);
386 break;
387
388 case 0x32: /* InRange */
389 switch (field->physical & 0xff) {
390 case 0x21: map_key(BTN_TOOL_MOUSE); break;
391 case 0x22: map_key(BTN_TOOL_FINGER); break;
392 default: map_key(BTN_TOOL_PEN); break;
393 }
394 break;
395
396 case 0x3c: /* Invert */
397 map_key_clear(BTN_TOOL_RUBBER);
398 break;
399
400 case 0x33: /* Touch */
401 case 0x42: /* TipSwitch */
402 case 0x43: /* TipSwitch2 */
403 device->quirks &= ~HID_QUIRK_NOTOUCH;
404 map_key_clear(BTN_TOUCH);
405 break;
406
407 case 0x44: /* BarrelSwitch */
408 map_key_clear(BTN_STYLUS);
409 break;
410
411 default: goto unknown;
412 }
413 break;
414
415 case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
416
417 switch (usage->hid & HID_USAGE) {
418 case 0x000: goto ignore;
419 case 0x034: map_key_clear(KEY_SLEEP); break;
420 case 0x036: map_key_clear(BTN_MISC); break;
421 case 0x045: map_key_clear(KEY_RADIO); break;
422 case 0x08a: map_key_clear(KEY_WWW); break;
423 case 0x08d: map_key_clear(KEY_PROGRAM); break;
424 case 0x095: map_key_clear(KEY_HELP); break;
425 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
426 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
427 case 0x0b0: map_key_clear(KEY_PLAY); break;
428 case 0x0b1: map_key_clear(KEY_PAUSE); break;
429 case 0x0b2: map_key_clear(KEY_RECORD); break;
430 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
431 case 0x0b4: map_key_clear(KEY_REWIND); break;
432 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
433 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
434 case 0x0b7: map_key_clear(KEY_STOPCD); break;
435 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
436 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
437 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
438 case 0x0e2: map_key_clear(KEY_MUTE); break;
439 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
440 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
441 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
442 case 0x183: map_key_clear(KEY_CONFIG); break;
443 case 0x18a: map_key_clear(KEY_MAIL); break;
444 case 0x192: map_key_clear(KEY_CALC); break;
445 case 0x194: map_key_clear(KEY_FILE); break;
446 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
447 case 0x201: map_key_clear(KEY_NEW); break;
448 case 0x207: map_key_clear(KEY_SAVE); break;
449 case 0x208: map_key_clear(KEY_PRINT); break;
450 case 0x209: map_key_clear(KEY_PROPS); break;
451 case 0x21a: map_key_clear(KEY_UNDO); break;
452 case 0x21b: map_key_clear(KEY_COPY); break;
453 case 0x21c: map_key_clear(KEY_CUT); break;
454 case 0x21d: map_key_clear(KEY_PASTE); break;
455 case 0x221: map_key_clear(KEY_FIND); break;
456 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
457 case 0x224: map_key_clear(KEY_BACK); break;
458 case 0x225: map_key_clear(KEY_FORWARD); break;
459 case 0x226: map_key_clear(KEY_STOP); break;
460 case 0x227: map_key_clear(KEY_REFRESH); break;
461 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
462 case 0x233: map_key_clear(KEY_SCROLLUP); break;
463 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
464 case 0x238: map_rel(REL_HWHEEL); break;
465 case 0x279: map_key_clear(KEY_REDO); break;
466 case 0x289: map_key_clear(KEY_REPLY); break;
467 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
468 case 0x28c: map_key_clear(KEY_SEND); break;
469
470 /* Reported on a Cherry Cymotion keyboard */
471 case 0x301: map_key_clear(KEY_PROG1); break;
472 case 0x302: map_key_clear(KEY_PROG2); break;
473 case 0x303: map_key_clear(KEY_PROG3); break;
474
475 default: goto ignore;
476 }
477 break;
478
479 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
480
481 set_bit(EV_REP, input->evbit);
482 switch (usage->hid & HID_USAGE) {
483 case 0x021: map_key_clear(KEY_PRINT); break;
484 case 0x070: map_key_clear(KEY_HP); break;
485 case 0x071: map_key_clear(KEY_CAMERA); break;
486 case 0x072: map_key_clear(KEY_SOUND); break;
487 case 0x073: map_key_clear(KEY_QUESTION); break;
488 case 0x080: map_key_clear(KEY_EMAIL); break;
489 case 0x081: map_key_clear(KEY_CHAT); break;
490 case 0x082: map_key_clear(KEY_SEARCH); break;
491 case 0x083: map_key_clear(KEY_CONNECT); break;
492 case 0x084: map_key_clear(KEY_FINANCE); break;
493 case 0x085: map_key_clear(KEY_SPORT); break;
494 case 0x086: map_key_clear(KEY_SHOP); break;
495 default: goto ignore;
496 }
497 break;
498
499 case HID_UP_MSVENDOR:
500 goto ignore;
501
502 case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
503
504 set_bit(EV_REP, input->evbit);
505 switch(usage->hid & HID_USAGE) {
506 case 0x003:
507 /* The fn key on Apple PowerBooks */
508 map_key_clear(KEY_FN);
509 hidinput_pb_setup(input);
510 break;
511
512 default: goto ignore;
513 }
514 break;
515
516 case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
517
518 set_bit(EV_REP, input->evbit);
519 switch(usage->hid & HID_USAGE) {
520 case 0x004: map_key_clear(KEY_AGAIN); break;
521 case 0x00d: map_key_clear(KEY_HOME); break;
522 case 0x024: map_key_clear(KEY_SHUFFLE); break;
523 case 0x025: map_key_clear(KEY_TV); break;
524 case 0x026: map_key_clear(KEY_MENU); break;
525 case 0x031: map_key_clear(KEY_AUDIO); break;
526 case 0x032: map_key_clear(KEY_TEXT); break;
527 case 0x033: map_key_clear(KEY_LAST); break;
528 case 0x047: map_key_clear(KEY_MP3); break;
529 case 0x048: map_key_clear(KEY_DVD); break;
530 case 0x049: map_key_clear(KEY_MEDIA); break;
531 case 0x04a: map_key_clear(KEY_VIDEO); break;
532 case 0x04b: map_key_clear(KEY_ANGLE); break;
533 case 0x04c: map_key_clear(KEY_LANGUAGE); break;
534 case 0x04d: map_key_clear(KEY_SUBTITLE); break;
535 case 0x051: map_key_clear(KEY_RED); break;
536 case 0x052: map_key_clear(KEY_CLOSE); break;
537 default: goto ignore;
538 }
539 break;
540
541 case HID_UP_PID:
542
543 switch(usage->hid & HID_USAGE) {
544 case 0xa4: map_key_clear(BTN_DEAD); break;
545 default: goto ignore;
546 }
547 break;
548
549 default:
550 unknown:
551 if (field->report_size == 1) {
552 if (field->report->type == HID_OUTPUT_REPORT) {
553 map_led(LED_MISC);
554 break;
555 }
556 map_key(BTN_MISC);
557 break;
558 }
559 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
560 map_rel(REL_MISC);
561 break;
562 }
563 map_abs(ABS_MISC);
564 break;
565 }
566
567 if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
568 if (usage->hid == HID_GD_Z)
569 map_rel(REL_HWHEEL);
570 else if (usage->code == BTN_1)
571 map_key(BTN_2);
572 else if (usage->code == BTN_2)
573 map_key(BTN_1);
574 }
575
576 if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
577 (usage->type == EV_REL) && (usage->code == REL_WHEEL))
578 set_bit(REL_HWHEEL, bit);
579
580 if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
581 || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
582 goto ignore;
583
584 if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) &&
585 usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE))
586 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
587
588 set_bit(usage->type, input->evbit);
589
590 while (usage->code <= max && test_and_set_bit(usage->code, bit))
591 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
592
593 if (usage->code > max)
594 goto ignore;
595
596
597 if (usage->type == EV_ABS) {
598
599 int a = field->logical_minimum;
600 int b = field->logical_maximum;
601
602 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
603 a = field->logical_minimum = 0;
604 b = field->logical_maximum = 255;
605 }
606
607 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
608 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
609 else input_set_abs_params(input, usage->code, a, b, 0, 0);
610
611 }
612
613 if (usage->type == EV_ABS &&
614 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
615 int i;
616 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
617 input_set_abs_params(input, i, -1, 1, 0, 0);
618 set_bit(i, input->absbit);
619 }
620 if (usage->hat_dir && !field->dpad)
621 field->dpad = usage->code;
622 }
623
624#ifdef DEBUG
625 resolv_event(usage->type, usage->code);
626 printk("\n");
627#endif
628 return;
629
630ignore:
631#ifdef DEBUG
632 printk("IGNORED\n");
633#endif
634 return;
635}
636
637void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
638{
639 struct input_dev *input;
640 int *quirks = &hid->quirks;
641
642 if (!field->hidinput)
643 return;
644
645 input = field->hidinput->input;
646
647 if (!usage->type)
648 return;
649
650 if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
651 || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
652 if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
653 else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
654 return;
655 }
656
657 if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
658 input_event(input, usage->type, usage->code, -value);
659 return;
660 }
661
662 if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
663 input_event(input, usage->type, REL_HWHEEL, value);
664 return;
665 }
666
667 if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
668 return;
669
670 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
671 int hat_dir = usage->hat_dir;
672 if (!hat_dir)
673 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
674 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
675 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
676 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
677 return;
678 }
679
680 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
681 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
682 return;
683 }
684
685 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
686 if (value) {
687 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
688 return;
689 }
690 input_event(input, usage->type, usage->code, 0);
691 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
692 return;
693 }
694
695 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
696 int a = field->logical_minimum;
697 int b = field->logical_maximum;
698 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
699 }
700
701 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
702 dbg("Maximum Effects - %d",value);
703 return;
704 }
705
706 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
707 dbg("PID Pool Report\n");
708 return;
709 }
710
711 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
712 return;
713
714 input_event(input, usage->type, usage->code, value);
715
716 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
717 input_event(input, usage->type, usage->code, 0);
718}
719
720void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
721{
722 struct hid_input *hidinput;
723
724 list_for_each_entry(hidinput, &hid->inputs, list)
725 input_sync(hidinput->input);
726}
727
728static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
729{
730 struct hid_report *report;
731 int i, j;
732
733 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
734 for (i = 0; i < report->maxfield; i++) {
735 *field = report->field[i];
736 for (j = 0; j < (*field)->maxusage; j++)
737 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
738 return j;
739 }
740 }
741 return -1;
742}
743
744static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
745{
746 struct hid_device *hid = dev->private;
747 struct hid_field *field;
748 int offset;
749
750 if (type == EV_FF)
751 return input_ff_event(dev, type, code, value);
752
753 if (type != EV_LED)
754 return -1;
755
756 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
757 warn("event field not found");
758 return -1;
759 }
760
761 hid_set_field(field, offset, value);
762 hid_submit_report(hid, field->report, USB_DIR_OUT);
763
764 return 0;
765}
766
767static int hidinput_open(struct input_dev *dev)
768{
769 struct hid_device *hid = dev->private;
770 return hid_open(hid);
771}
772
773static void hidinput_close(struct input_dev *dev)
774{
775 struct hid_device *hid = dev->private;
776 hid_close(hid);
777}
778
779/*
780 * Register the input device; print a message.
781 * Configure the input layer interface
782 * Read all reports and initialize the absolute field values.
783 */
784
785int hidinput_connect(struct hid_device *hid)
786{
787 struct usb_device *dev = hid->dev;
788 struct hid_report *report;
789 struct hid_input *hidinput = NULL;
790 struct input_dev *input_dev;
791 int i, j, k;
792
793 INIT_LIST_HEAD(&hid->inputs);
794
795 for (i = 0; i < hid->maxcollection; i++)
796 if (hid->collection[i].type == HID_COLLECTION_APPLICATION ||
797 hid->collection[i].type == HID_COLLECTION_PHYSICAL)
798 if (IS_INPUT_APPLICATION(hid->collection[i].usage))
799 break;
800
801 if (i == hid->maxcollection)
802 return -1;
803
804 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++)
805 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
806
807 if (!report->maxfield)
808 continue;
809
810 if (!hidinput) {
811 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
812 input_dev = input_allocate_device();
813 if (!hidinput || !input_dev) {
814 kfree(hidinput);
815 input_free_device(input_dev);
816 err("Out of memory during hid input probe");
817 return -1;
818 }
819
820 input_dev->private = hid;
821 input_dev->event = hidinput_input_event;
822 input_dev->open = hidinput_open;
823 input_dev->close = hidinput_close;
824
825 input_dev->name = hid->name;
826 input_dev->phys = hid->phys;
827 input_dev->uniq = hid->uniq;
828 usb_to_input_id(dev, &input_dev->id);
829 input_dev->cdev.dev = &hid->intf->dev;
830
831 hidinput->input = input_dev;
832 list_add_tail(&hidinput->list, &hid->inputs);
833 }
834
835 for (i = 0; i < report->maxfield; i++)
836 for (j = 0; j < report->field[i]->maxusage; j++)
837 hidinput_configure_usage(hidinput, report->field[i],
838 report->field[i]->usage + j);
839
840 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
841 /* This will leave hidinput NULL, so that it
842 * allocates another one if we have more inputs on
843 * the same interface. Some devices (e.g. Happ's
844 * UGCI) cram a lot of unrelated inputs into the
845 * same interface. */
846 hidinput->report = report;
847 input_register_device(hidinput->input);
848 hidinput = NULL;
849 }
850 }
851
852 /* This only gets called when we are a single-input (most of the
853 * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is
854 * only useful in this case, and not for multi-input quirks. */
855 if (hidinput) {
856 hid_ff_init(hid);
857 input_register_device(hidinput->input);
858 }
859
860 return 0;
861}
862
863void hidinput_disconnect(struct hid_device *hid)
864{
865 struct hid_input *hidinput, *next;
866 30
867 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
868 list_del(&hidinput->list);
869 input_unregister_device(hidinput->input);
870 kfree(hidinput);
871 }
872}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-28 08:16:56 -0500