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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * USB HID quirks support for Linux
4 *
5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8 * Copyright (c) 2006-2007 Jiri Kosina
9 * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
10 * Copyright (c) 2019 Paul Pawlowski <paul@mrarm.io>
11 */
12
13/*
14 */
15
16#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
17
18#include <linux/device.h>
19#include <linux/hid.h>
20#include <linux/jiffies.h>
21#include <linux/module.h>
22#include <linux/slab.h>
23#include <linux/timer.h>
24#include <linux/string.h>
25
26#include "hid-ids.h"
27
28#define APPLE_RDESC_JIS BIT(0)
29#define APPLE_IGNORE_MOUSE BIT(1)
30#define APPLE_HAS_FN BIT(2)
31/* BIT(3) reserved, was: APPLE_HIDDEV */
32#define APPLE_ISO_TILDE_QUIRK BIT(4)
33#define APPLE_MIGHTYMOUSE BIT(5)
34#define APPLE_INVERT_HWHEEL BIT(6)
35/* BIT(7) reserved, was: APPLE_IGNORE_HIDINPUT */
36#define APPLE_NUMLOCK_EMULATION BIT(8)
37#define APPLE_RDESC_BATTERY BIT(9)
38#define APPLE_BACKLIGHT_CTL BIT(10)
39#define APPLE_IS_NON_APPLE BIT(11)
40
41#define APPLE_FLAG_FKEY 0x01
42
43#define HID_COUNTRY_INTERNATIONAL_ISO 13
44#define APPLE_BATTERY_TIMEOUT_MS 60000
45
46static unsigned int fnmode = 3;
47module_param(fnmode, uint, 0644);
48MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, "
49 "1 = fkeyslast, 2 = fkeysfirst, [3] = auto)");
50
51static int iso_layout = -1;
52module_param(iso_layout, int, 0644);
53MODULE_PARM_DESC(iso_layout, "Swap the backtick/tilde and greater-than/less-than keys. "
54 "([-1] = auto, 0 = disabled, 1 = enabled)");
55
56static unsigned int swap_opt_cmd;
57module_param(swap_opt_cmd, uint, 0644);
58MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\") keys. "
59 "(For people who want to keep Windows PC keyboard muscle memory. "
60 "[0] = as-is, Mac layout. 1 = swapped, Windows layout.)");
61
62static unsigned int swap_ctrl_cmd;
63module_param(swap_ctrl_cmd, uint, 0644);
64MODULE_PARM_DESC(swap_ctrl_cmd, "Swap the Control (\"Ctrl\") and Command (\"Flag\") keys. "
65 "(For people who are used to Mac shortcuts involving Command instead of Control. "
66 "[0] = No change. 1 = Swapped.)");
67
68static unsigned int swap_fn_leftctrl;
69module_param(swap_fn_leftctrl, uint, 0644);
70MODULE_PARM_DESC(swap_fn_leftctrl, "Swap the Fn and left Control keys. "
71 "(For people who want to keep PC keyboard muscle memory. "
72 "[0] = as-is, Mac layout, 1 = swapped, PC layout)");
73
74struct apple_non_apple_keyboard {
75 char *name;
76};
77
78struct apple_sc_backlight {
79 struct led_classdev cdev;
80 struct hid_device *hdev;
81 unsigned short backlight_off, backlight_on_min, backlight_on_max;
82};
83
84struct apple_sc {
85 struct hid_device *hdev;
86 unsigned long quirks;
87 unsigned int fn_on;
88 unsigned int fn_found;
89 DECLARE_BITMAP(pressed_numlock, KEY_CNT);
90 struct timer_list battery_timer;
91 struct apple_sc_backlight *backlight;
92};
93
94struct apple_key_translation {
95 u16 from;
96 u16 to;
97 u8 flags;
98};
99
100static const struct apple_key_translation magic_keyboard_alu_fn_keys[] = {
101 { KEY_BACKSPACE, KEY_DELETE },
102 { KEY_ENTER, KEY_INSERT },
103 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
104 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
105 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
106 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
107 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
108 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
109 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
110 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
111 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
112 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
113 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
114 { KEY_UP, KEY_PAGEUP },
115 { KEY_DOWN, KEY_PAGEDOWN },
116 { KEY_LEFT, KEY_HOME },
117 { KEY_RIGHT, KEY_END },
118 { }
119};
120
121static const struct apple_key_translation magic_keyboard_2015_fn_keys[] = {
122 { KEY_BACKSPACE, KEY_DELETE },
123 { KEY_ENTER, KEY_INSERT },
124 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
125 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
126 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
127 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
128 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
129 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
130 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
131 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
132 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
133 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
134 { KEY_UP, KEY_PAGEUP },
135 { KEY_DOWN, KEY_PAGEDOWN },
136 { KEY_LEFT, KEY_HOME },
137 { KEY_RIGHT, KEY_END },
138 { }
139};
140
141struct apple_backlight_config_report {
142 u8 report_id;
143 u8 version;
144 u16 backlight_off, backlight_on_min, backlight_on_max;
145};
146
147struct apple_backlight_set_report {
148 u8 report_id;
149 u8 version;
150 u16 backlight;
151 u16 rate;
152};
153
154
155static const struct apple_key_translation apple2021_fn_keys[] = {
156 { KEY_BACKSPACE, KEY_DELETE },
157 { KEY_ENTER, KEY_INSERT },
158 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
159 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
160 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
161 { KEY_F4, KEY_SEARCH, APPLE_FLAG_FKEY },
162 { KEY_F5, KEY_MICMUTE, APPLE_FLAG_FKEY },
163 { KEY_F6, KEY_SLEEP, APPLE_FLAG_FKEY },
164 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
165 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
166 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
167 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
168 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
169 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
170 { KEY_UP, KEY_PAGEUP },
171 { KEY_DOWN, KEY_PAGEDOWN },
172 { KEY_LEFT, KEY_HOME },
173 { KEY_RIGHT, KEY_END },
174 { }
175};
176
177static const struct apple_key_translation macbookair_fn_keys[] = {
178 { KEY_BACKSPACE, KEY_DELETE },
179 { KEY_ENTER, KEY_INSERT },
180 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
181 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
182 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
183 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
184 { KEY_F6, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
185 { KEY_F7, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
186 { KEY_F8, KEY_NEXTSONG, APPLE_FLAG_FKEY },
187 { KEY_F9, KEY_MUTE, APPLE_FLAG_FKEY },
188 { KEY_F10, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
189 { KEY_F11, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
190 { KEY_F12, KEY_EJECTCD, APPLE_FLAG_FKEY },
191 { KEY_UP, KEY_PAGEUP },
192 { KEY_DOWN, KEY_PAGEDOWN },
193 { KEY_LEFT, KEY_HOME },
194 { KEY_RIGHT, KEY_END },
195 { }
196};
197
198static const struct apple_key_translation macbookpro_no_esc_fn_keys[] = {
199 { KEY_BACKSPACE, KEY_DELETE },
200 { KEY_ENTER, KEY_INSERT },
201 { KEY_GRAVE, KEY_ESC },
202 { KEY_1, KEY_F1 },
203 { KEY_2, KEY_F2 },
204 { KEY_3, KEY_F3 },
205 { KEY_4, KEY_F4 },
206 { KEY_5, KEY_F5 },
207 { KEY_6, KEY_F6 },
208 { KEY_7, KEY_F7 },
209 { KEY_8, KEY_F8 },
210 { KEY_9, KEY_F9 },
211 { KEY_0, KEY_F10 },
212 { KEY_MINUS, KEY_F11 },
213 { KEY_EQUAL, KEY_F12 },
214 { KEY_UP, KEY_PAGEUP },
215 { KEY_DOWN, KEY_PAGEDOWN },
216 { KEY_LEFT, KEY_HOME },
217 { KEY_RIGHT, KEY_END },
218 { }
219};
220
221static const struct apple_key_translation macbookpro_dedicated_esc_fn_keys[] = {
222 { KEY_BACKSPACE, KEY_DELETE },
223 { KEY_ENTER, KEY_INSERT },
224 { KEY_1, KEY_F1 },
225 { KEY_2, KEY_F2 },
226 { KEY_3, KEY_F3 },
227 { KEY_4, KEY_F4 },
228 { KEY_5, KEY_F5 },
229 { KEY_6, KEY_F6 },
230 { KEY_7, KEY_F7 },
231 { KEY_8, KEY_F8 },
232 { KEY_9, KEY_F9 },
233 { KEY_0, KEY_F10 },
234 { KEY_MINUS, KEY_F11 },
235 { KEY_EQUAL, KEY_F12 },
236 { KEY_UP, KEY_PAGEUP },
237 { KEY_DOWN, KEY_PAGEDOWN },
238 { KEY_LEFT, KEY_HOME },
239 { KEY_RIGHT, KEY_END },
240 { }
241};
242
243static const struct apple_key_translation apple_fn_keys[] = {
244 { KEY_BACKSPACE, KEY_DELETE },
245 { KEY_ENTER, KEY_INSERT },
246 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
247 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
248 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
249 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
250 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
251 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
252 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
253 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
254 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
255 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
256 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
257 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
258 { KEY_UP, KEY_PAGEUP },
259 { KEY_DOWN, KEY_PAGEDOWN },
260 { KEY_LEFT, KEY_HOME },
261 { KEY_RIGHT, KEY_END },
262 { }
263};
264
265static const struct apple_key_translation powerbook_fn_keys[] = {
266 { KEY_BACKSPACE, KEY_DELETE },
267 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
268 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
269 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
270 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
271 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
272 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
273 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
274 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
275 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
276 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
277 { KEY_UP, KEY_PAGEUP },
278 { KEY_DOWN, KEY_PAGEDOWN },
279 { KEY_LEFT, KEY_HOME },
280 { KEY_RIGHT, KEY_END },
281 { }
282};
283
284static const struct apple_key_translation powerbook_numlock_keys[] = {
285 { KEY_J, KEY_KP1 },
286 { KEY_K, KEY_KP2 },
287 { KEY_L, KEY_KP3 },
288 { KEY_U, KEY_KP4 },
289 { KEY_I, KEY_KP5 },
290 { KEY_O, KEY_KP6 },
291 { KEY_7, KEY_KP7 },
292 { KEY_8, KEY_KP8 },
293 { KEY_9, KEY_KP9 },
294 { KEY_M, KEY_KP0 },
295 { KEY_DOT, KEY_KPDOT },
296 { KEY_SLASH, KEY_KPPLUS },
297 { KEY_SEMICOLON, KEY_KPMINUS },
298 { KEY_P, KEY_KPASTERISK },
299 { KEY_MINUS, KEY_KPEQUAL },
300 { KEY_0, KEY_KPSLASH },
301 { KEY_F6, KEY_NUMLOCK },
302 { KEY_KPENTER, KEY_KPENTER },
303 { KEY_BACKSPACE, KEY_BACKSPACE },
304 { }
305};
306
307static const struct apple_key_translation apple_iso_keyboard[] = {
308 { KEY_GRAVE, KEY_102ND },
309 { KEY_102ND, KEY_GRAVE },
310 { }
311};
312
313static const struct apple_key_translation swapped_option_cmd_keys[] = {
314 { KEY_LEFTALT, KEY_LEFTMETA },
315 { KEY_LEFTMETA, KEY_LEFTALT },
316 { KEY_RIGHTALT, KEY_RIGHTMETA },
317 { KEY_RIGHTMETA, KEY_RIGHTALT },
318 { }
319};
320
321static const struct apple_key_translation swapped_ctrl_cmd_keys[] = {
322 { KEY_LEFTCTRL, KEY_LEFTMETA },
323 { KEY_LEFTMETA, KEY_LEFTCTRL },
324 { KEY_RIGHTCTRL, KEY_RIGHTMETA },
325 { KEY_RIGHTMETA, KEY_RIGHTCTRL },
326 { }
327};
328
329static const struct apple_key_translation swapped_fn_leftctrl_keys[] = {
330 { KEY_FN, KEY_LEFTCTRL },
331 { KEY_LEFTCTRL, KEY_FN },
332 { }
333};
334
335static const struct apple_non_apple_keyboard non_apple_keyboards[] = {
336 { "SONiX USB DEVICE" },
337 { "Keychron" },
338 { "AONE" },
339 { "GANSS" }
340};
341
342static bool apple_is_non_apple_keyboard(struct hid_device *hdev)
343{
344 int i;
345
346 for (i = 0; i < ARRAY_SIZE(non_apple_keyboards); i++) {
347 char *non_apple = non_apple_keyboards[i].name;
348
349 if (strncmp(hdev->name, non_apple, strlen(non_apple)) == 0)
350 return true;
351 }
352
353 return false;
354}
355
356static inline void apple_setup_key_translation(struct input_dev *input,
357 const struct apple_key_translation *table)
358{
359 const struct apple_key_translation *trans;
360
361 for (trans = table; trans->from; trans++)
362 set_bit(trans->to, input->keybit);
363}
364
365static const struct apple_key_translation *apple_find_translation(
366 const struct apple_key_translation *table, u16 from)
367{
368 const struct apple_key_translation *trans;
369
370 /* Look for the translation */
371 for (trans = table; trans->from; trans++)
372 if (trans->from == from)
373 return trans;
374
375 return NULL;
376}
377
378static void input_event_with_scancode(struct input_dev *input,
379 __u8 type, __u16 code, unsigned int hid, __s32 value)
380{
381 if (type == EV_KEY &&
382 (!test_bit(code, input->key)) == value)
383 input_event(input, EV_MSC, MSC_SCAN, hid);
384 input_event(input, type, code, value);
385}
386
387static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
388 struct hid_usage *usage, __s32 value)
389{
390 struct apple_sc *asc = hid_get_drvdata(hid);
391 const struct apple_key_translation *trans, *table;
392 bool do_translate;
393 u16 code = usage->code;
394 unsigned int real_fnmode;
395
396 if (fnmode == 3) {
397 real_fnmode = (asc->quirks & APPLE_IS_NON_APPLE) ? 2 : 1;
398 } else {
399 real_fnmode = fnmode;
400 }
401
402 if (swap_fn_leftctrl) {
403 trans = apple_find_translation(swapped_fn_leftctrl_keys, code);
404
405 if (trans)
406 code = trans->to;
407 }
408
409 if (iso_layout > 0 || (iso_layout < 0 && (asc->quirks & APPLE_ISO_TILDE_QUIRK) &&
410 hid->country == HID_COUNTRY_INTERNATIONAL_ISO)) {
411 trans = apple_find_translation(apple_iso_keyboard, code);
412
413 if (trans)
414 code = trans->to;
415 }
416
417 if (swap_opt_cmd) {
418 trans = apple_find_translation(swapped_option_cmd_keys, code);
419
420 if (trans)
421 code = trans->to;
422 }
423
424 if (swap_ctrl_cmd) {
425 trans = apple_find_translation(swapped_ctrl_cmd_keys, code);
426
427 if (trans)
428 code = trans->to;
429 }
430
431 if (code == KEY_FN)
432 asc->fn_on = !!value;
433
434 if (real_fnmode) {
435 if (hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI ||
436 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO ||
437 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS ||
438 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI ||
439 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO ||
440 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS ||
441 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI ||
442 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO ||
443 hid->product == USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS)
444 table = magic_keyboard_alu_fn_keys;
445 else if (hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2015 ||
446 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2015)
447 table = magic_keyboard_2015_fn_keys;
448 else if (hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021 ||
449 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021 ||
450 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021)
451 table = apple2021_fn_keys;
452 else if (hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J132 ||
453 hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J680 ||
454 hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J213)
455 table = macbookpro_no_esc_fn_keys;
456 else if (hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J214K ||
457 hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J223 ||
458 hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J152F)
459 table = macbookpro_dedicated_esc_fn_keys;
460 else if (hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J140K ||
461 hid->product == USB_DEVICE_ID_APPLE_WELLSPRINGT2_J230K)
462 table = apple_fn_keys;
463 else if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
464 hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
465 table = macbookair_fn_keys;
466 else if (hid->product < 0x21d || hid->product >= 0x300)
467 table = powerbook_fn_keys;
468 else
469 table = apple_fn_keys;
470
471 trans = apple_find_translation(table, code);
472
473 if (trans) {
474 bool from_is_set = test_bit(trans->from, input->key);
475 bool to_is_set = test_bit(trans->to, input->key);
476
477 if (from_is_set)
478 code = trans->from;
479 else if (to_is_set)
480 code = trans->to;
481
482 if (!(from_is_set || to_is_set)) {
483 if (trans->flags & APPLE_FLAG_FKEY) {
484 switch (real_fnmode) {
485 case 1:
486 do_translate = !asc->fn_on;
487 break;
488 case 2:
489 do_translate = asc->fn_on;
490 break;
491 default:
492 /* should never happen */
493 do_translate = false;
494 }
495 } else {
496 do_translate = asc->fn_on;
497 }
498
499 if (do_translate)
500 code = trans->to;
501 }
502 }
503
504 if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
505 (test_bit(code, asc->pressed_numlock) ||
506 test_bit(LED_NUML, input->led))) {
507 trans = apple_find_translation(powerbook_numlock_keys, code);
508
509 if (trans) {
510 if (value)
511 set_bit(code, asc->pressed_numlock);
512 else
513 clear_bit(code, asc->pressed_numlock);
514
515 code = trans->to;
516 }
517 }
518 }
519
520 if (usage->code != code) {
521 input_event_with_scancode(input, usage->type, code, usage->hid, value);
522
523 return 1;
524 }
525
526 return 0;
527}
528
529static int apple_event(struct hid_device *hdev, struct hid_field *field,
530 struct hid_usage *usage, __s32 value)
531{
532 struct apple_sc *asc = hid_get_drvdata(hdev);
533
534 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
535 !usage->type)
536 return 0;
537
538 if ((asc->quirks & APPLE_INVERT_HWHEEL) &&
539 usage->code == REL_HWHEEL) {
540 input_event_with_scancode(field->hidinput->input, usage->type,
541 usage->code, usage->hid, -value);
542 return 1;
543 }
544
545 if ((asc->quirks & APPLE_HAS_FN) &&
546 hidinput_apple_event(hdev, field->hidinput->input,
547 usage, value))
548 return 1;
549
550
551 return 0;
552}
553
554static int apple_fetch_battery(struct hid_device *hdev)
555{
556#ifdef CONFIG_HID_BATTERY_STRENGTH
557 struct apple_sc *asc = hid_get_drvdata(hdev);
558 struct hid_report_enum *report_enum;
559 struct hid_report *report;
560
561 if (!(asc->quirks & APPLE_RDESC_BATTERY) || !hdev->battery)
562 return -1;
563
564 report_enum = &hdev->report_enum[hdev->battery_report_type];
565 report = report_enum->report_id_hash[hdev->battery_report_id];
566
567 if (!report || report->maxfield < 1)
568 return -1;
569
570 if (hdev->battery_capacity == hdev->battery_max)
571 return -1;
572
573 hid_hw_request(hdev, report, HID_REQ_GET_REPORT);
574 return 0;
575#else
576 return -1;
577#endif
578}
579
580static void apple_battery_timer_tick(struct timer_list *t)
581{
582 struct apple_sc *asc = from_timer(asc, t, battery_timer);
583 struct hid_device *hdev = asc->hdev;
584
585 if (apple_fetch_battery(hdev) == 0) {
586 mod_timer(&asc->battery_timer,
587 jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS));
588 }
589}
590
591/*
592 * MacBook JIS keyboard has wrong logical maximum
593 * Magic Keyboard JIS has wrong logical maximum
594 */
595static __u8 *apple_report_fixup(struct hid_device *hdev, __u8 *rdesc,
596 unsigned int *rsize)
597{
598 struct apple_sc *asc = hid_get_drvdata(hdev);
599
600 if(*rsize >=71 && rdesc[70] == 0x65 && rdesc[64] == 0x65) {
601 hid_info(hdev,
602 "fixing up Magic Keyboard JIS report descriptor\n");
603 rdesc[64] = rdesc[70] = 0xe7;
604 }
605
606 if ((asc->quirks & APPLE_RDESC_JIS) && *rsize >= 60 &&
607 rdesc[53] == 0x65 && rdesc[59] == 0x65) {
608 hid_info(hdev,
609 "fixing up MacBook JIS keyboard report descriptor\n");
610 rdesc[53] = rdesc[59] = 0xe7;
611 }
612
613 /*
614 * Change the usage from:
615 * 0x06, 0x00, 0xff, // Usage Page (Vendor Defined Page 1) 0
616 * 0x09, 0x0b, // Usage (Vendor Usage 0x0b) 3
617 * To:
618 * 0x05, 0x01, // Usage Page (Generic Desktop) 0
619 * 0x09, 0x06, // Usage (Keyboard) 2
620 */
621 if ((asc->quirks & APPLE_RDESC_BATTERY) && *rsize == 83 &&
622 rdesc[46] == 0x84 && rdesc[58] == 0x85) {
623 hid_info(hdev,
624 "fixing up Magic Keyboard battery report descriptor\n");
625 *rsize = *rsize - 1;
626 rdesc = kmemdup(rdesc + 1, *rsize, GFP_KERNEL);
627 if (!rdesc)
628 return NULL;
629
630 rdesc[0] = 0x05;
631 rdesc[1] = 0x01;
632 rdesc[2] = 0x09;
633 rdesc[3] = 0x06;
634 }
635
636 return rdesc;
637}
638
639static void apple_setup_input(struct input_dev *input)
640{
641 set_bit(KEY_NUMLOCK, input->keybit);
642
643 /* Enable all needed keys */
644 apple_setup_key_translation(input, apple_fn_keys);
645 apple_setup_key_translation(input, powerbook_fn_keys);
646 apple_setup_key_translation(input, powerbook_numlock_keys);
647 apple_setup_key_translation(input, apple_iso_keyboard);
648 apple_setup_key_translation(input, magic_keyboard_alu_fn_keys);
649 apple_setup_key_translation(input, magic_keyboard_2015_fn_keys);
650 apple_setup_key_translation(input, apple2021_fn_keys);
651 apple_setup_key_translation(input, macbookpro_no_esc_fn_keys);
652 apple_setup_key_translation(input, macbookpro_dedicated_esc_fn_keys);
653}
654
655static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
656 struct hid_field *field, struct hid_usage *usage,
657 unsigned long **bit, int *max)
658{
659 struct apple_sc *asc = hid_get_drvdata(hdev);
660
661 if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
662 usage->hid == (HID_UP_MSVENDOR | 0x0003) ||
663 usage->hid == (HID_UP_HPVENDOR2 | 0x0003)) {
664 /* The fn key on Apple USB keyboards */
665 set_bit(EV_REP, hi->input->evbit);
666 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
667 asc->fn_found = true;
668 apple_setup_input(hi->input);
669 return 1;
670 }
671
672 /* we want the hid layer to go through standard path (set and ignore) */
673 return 0;
674}
675
676static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi,
677 struct hid_field *field, struct hid_usage *usage,
678 unsigned long **bit, int *max)
679{
680 struct apple_sc *asc = hid_get_drvdata(hdev);
681
682 if (asc->quirks & APPLE_MIGHTYMOUSE) {
683 if (usage->hid == HID_GD_Z)
684 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
685 else if (usage->code == BTN_1)
686 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2);
687 else if (usage->code == BTN_2)
688 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1);
689 }
690
691 return 0;
692}
693
694static int apple_input_configured(struct hid_device *hdev,
695 struct hid_input *hidinput)
696{
697 struct apple_sc *asc = hid_get_drvdata(hdev);
698
699 if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) {
700 hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n");
701 asc->quirks &= ~APPLE_HAS_FN;
702 }
703
704 if (apple_is_non_apple_keyboard(hdev)) {
705 hid_info(hdev, "Non-apple keyboard detected; function keys will default to fnmode=2 behavior\n");
706 asc->quirks |= APPLE_IS_NON_APPLE;
707 }
708
709 return 0;
710}
711
712static bool apple_backlight_check_support(struct hid_device *hdev)
713{
714 int i;
715 unsigned int hid;
716 struct hid_report *report;
717
718 list_for_each_entry(report, &hdev->report_enum[HID_INPUT_REPORT].report_list, list) {
719 for (i = 0; i < report->maxfield; i++) {
720 hid = report->field[i]->usage->hid;
721 if ((hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR && (hid & HID_USAGE) == 0xf)
722 return true;
723 }
724 }
725
726 return false;
727}
728
729static int apple_backlight_set(struct hid_device *hdev, u16 value, u16 rate)
730{
731 int ret = 0;
732 struct apple_backlight_set_report *rep;
733
734 rep = kmalloc(sizeof(*rep), GFP_KERNEL);
735 if (rep == NULL)
736 return -ENOMEM;
737
738 rep->report_id = 0xB0;
739 rep->version = 1;
740 rep->backlight = value;
741 rep->rate = rate;
742
743 ret = hid_hw_raw_request(hdev, 0xB0u, (u8 *) rep, sizeof(*rep),
744 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
745
746 kfree(rep);
747 return ret;
748}
749
750static int apple_backlight_led_set(struct led_classdev *led_cdev,
751 enum led_brightness brightness)
752{
753 struct apple_sc_backlight *backlight = container_of(led_cdev,
754 struct apple_sc_backlight, cdev);
755
756 return apple_backlight_set(backlight->hdev, brightness, 0);
757}
758
759static int apple_backlight_init(struct hid_device *hdev)
760{
761 int ret;
762 struct apple_sc *asc = hid_get_drvdata(hdev);
763 struct apple_backlight_config_report *rep;
764
765 if (!apple_backlight_check_support(hdev))
766 return -EINVAL;
767
768 rep = kmalloc(0x200, GFP_KERNEL);
769 if (rep == NULL)
770 return -ENOMEM;
771
772 ret = hid_hw_raw_request(hdev, 0xBFu, (u8 *) rep, sizeof(*rep),
773 HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
774 if (ret < 0) {
775 hid_err(hdev, "backlight request failed: %d\n", ret);
776 goto cleanup_and_exit;
777 }
778 if (ret < 8 || rep->version != 1) {
779 hid_err(hdev, "backlight config struct: bad version %i\n", rep->version);
780 ret = -EINVAL;
781 goto cleanup_and_exit;
782 }
783
784 hid_dbg(hdev, "backlight config: off=%u, on_min=%u, on_max=%u\n",
785 rep->backlight_off, rep->backlight_on_min, rep->backlight_on_max);
786
787 asc->backlight = devm_kzalloc(&hdev->dev, sizeof(*asc->backlight), GFP_KERNEL);
788 if (!asc->backlight) {
789 ret = -ENOMEM;
790 goto cleanup_and_exit;
791 }
792
793 asc->backlight->hdev = hdev;
794 asc->backlight->cdev.name = "apple::kbd_backlight";
795 asc->backlight->cdev.max_brightness = rep->backlight_on_max;
796 asc->backlight->cdev.brightness_set_blocking = apple_backlight_led_set;
797
798 ret = apple_backlight_set(hdev, 0, 0);
799 if (ret < 0) {
800 hid_err(hdev, "backlight set request failed: %d\n", ret);
801 goto cleanup_and_exit;
802 }
803
804 ret = devm_led_classdev_register(&hdev->dev, &asc->backlight->cdev);
805
806cleanup_and_exit:
807 kfree(rep);
808 return ret;
809}
810
811static int apple_probe(struct hid_device *hdev,
812 const struct hid_device_id *id)
813{
814 unsigned long quirks = id->driver_data;
815 struct apple_sc *asc;
816 int ret;
817
818 asc = devm_kzalloc(&hdev->dev, sizeof(*asc), GFP_KERNEL);
819 if (asc == NULL) {
820 hid_err(hdev, "can't alloc apple descriptor\n");
821 return -ENOMEM;
822 }
823
824 asc->hdev = hdev;
825 asc->quirks = quirks;
826
827 hid_set_drvdata(hdev, asc);
828
829 ret = hid_parse(hdev);
830 if (ret) {
831 hid_err(hdev, "parse failed\n");
832 return ret;
833 }
834
835 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
836 if (ret) {
837 hid_err(hdev, "hw start failed\n");
838 return ret;
839 }
840
841 timer_setup(&asc->battery_timer, apple_battery_timer_tick, 0);
842 mod_timer(&asc->battery_timer,
843 jiffies + msecs_to_jiffies(APPLE_BATTERY_TIMEOUT_MS));
844 apple_fetch_battery(hdev);
845
846 if (quirks & APPLE_BACKLIGHT_CTL)
847 apple_backlight_init(hdev);
848
849 return 0;
850}
851
852static void apple_remove(struct hid_device *hdev)
853{
854 struct apple_sc *asc = hid_get_drvdata(hdev);
855
856 del_timer_sync(&asc->battery_timer);
857
858 hid_hw_stop(hdev);
859}
860
861static const struct hid_device_id apple_devices[] = {
862 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE),
863 .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL },
864
865 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI),
866 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
867 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO),
868 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
869 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI),
870 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
871 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO),
872 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
873 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS),
874 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
875 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI),
876 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
877 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO),
878 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
879 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS),
880 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
881 APPLE_RDESC_JIS },
882 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI),
883 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
884 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO),
885 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
886 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS),
887 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
888 APPLE_RDESC_JIS },
889 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI),
890 .driver_data = APPLE_HAS_FN },
891 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO),
892 .driver_data = APPLE_HAS_FN },
893 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS),
894 .driver_data = APPLE_HAS_FN },
895 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI),
896 .driver_data = APPLE_HAS_FN },
897 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO),
898 .driver_data = APPLE_HAS_FN },
899 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS),
900 .driver_data = APPLE_HAS_FN },
901 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI),
902 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
903 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO),
904 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
905 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
906 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
907 APPLE_RDESC_JIS },
908 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI),
909 .driver_data = APPLE_HAS_FN },
910 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI),
911 .driver_data = APPLE_HAS_FN },
912 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO),
913 .driver_data = APPLE_HAS_FN },
914 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO),
915 .driver_data = APPLE_HAS_FN },
916 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS),
917 .driver_data = APPLE_HAS_FN },
918 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
919 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
920 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO),
921 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
922 APPLE_ISO_TILDE_QUIRK },
923 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO),
924 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
925 APPLE_ISO_TILDE_QUIRK },
926 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
927 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
928 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
929 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
930 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS),
931 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
932 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS),
933 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
934 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2015),
935 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
936 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2015),
937 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
938 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2015),
939 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
940 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2015),
941 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
942 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
943 .driver_data = APPLE_HAS_FN },
944 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
945 .driver_data = APPLE_HAS_FN },
946 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS),
947 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
948 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI),
949 .driver_data = APPLE_HAS_FN },
950 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO),
951 .driver_data = APPLE_HAS_FN },
952 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS),
953 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
954 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI),
955 .driver_data = APPLE_HAS_FN },
956 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO),
957 .driver_data = APPLE_HAS_FN },
958 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
959 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
960 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI),
961 .driver_data = APPLE_HAS_FN },
962 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO),
963 .driver_data = APPLE_HAS_FN },
964 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS),
965 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
966 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI),
967 .driver_data = APPLE_HAS_FN },
968 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO),
969 .driver_data = APPLE_HAS_FN },
970 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS),
971 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
972 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
973 .driver_data = APPLE_HAS_FN },
974 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
975 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
976 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
977 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
978 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
979 .driver_data = APPLE_HAS_FN },
980 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
981 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
982 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS),
983 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
984 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI),
985 .driver_data = APPLE_HAS_FN },
986 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO),
987 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
988 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS),
989 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
990 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI),
991 .driver_data = APPLE_HAS_FN },
992 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO),
993 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
994 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
995 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
996 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
997 .driver_data = APPLE_HAS_FN },
998 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
999 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1000 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
1001 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
1002 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
1003 .driver_data = APPLE_HAS_FN },
1004 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
1005 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1006 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
1007 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
1008 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI),
1009 .driver_data = APPLE_HAS_FN },
1010 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO),
1011 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1012 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS),
1013 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
1014 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI),
1015 .driver_data = APPLE_HAS_FN },
1016 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO),
1017 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1018 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS),
1019 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
1020 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J140K),
1021 .driver_data = APPLE_HAS_FN | APPLE_BACKLIGHT_CTL | APPLE_ISO_TILDE_QUIRK },
1022 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J132),
1023 .driver_data = APPLE_HAS_FN | APPLE_BACKLIGHT_CTL | APPLE_ISO_TILDE_QUIRK },
1024 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J680),
1025 .driver_data = APPLE_HAS_FN | APPLE_BACKLIGHT_CTL | APPLE_ISO_TILDE_QUIRK },
1026 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J213),
1027 .driver_data = APPLE_HAS_FN | APPLE_BACKLIGHT_CTL | APPLE_ISO_TILDE_QUIRK },
1028 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J214K),
1029 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1030 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J223),
1031 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1032 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J230K),
1033 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1034 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRINGT2_J152F),
1035 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1036 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
1037 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
1038 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
1039 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
1040 APPLE_ISO_TILDE_QUIRK },
1041 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS),
1042 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
1043 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY),
1044 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
1045 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
1046 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
1047 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
1048 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
1049 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
1050 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1051 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021),
1052 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
1053 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021),
1054 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1055 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021),
1056 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
1057 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021),
1058 .driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
1059
1060 { }
1061};
1062MODULE_DEVICE_TABLE(hid, apple_devices);
1063
1064static struct hid_driver apple_driver = {
1065 .name = "apple",
1066 .id_table = apple_devices,
1067 .report_fixup = apple_report_fixup,
1068 .probe = apple_probe,
1069 .remove = apple_remove,
1070 .event = apple_event,
1071 .input_mapping = apple_input_mapping,
1072 .input_mapped = apple_input_mapped,
1073 .input_configured = apple_input_configured,
1074};
1075module_hid_driver(apple_driver);
1076
1077MODULE_LICENSE("GPL");
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * USB HID quirks support for Linux
4 *
5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8 * Copyright (c) 2006-2007 Jiri Kosina
9 * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
10 */
11
12/*
13 */
14
15#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
16
17#include <linux/device.h>
18#include <linux/hid.h>
19#include <linux/module.h>
20#include <linux/slab.h>
21
22#include "hid-ids.h"
23
24#define APPLE_RDESC_JIS 0x0001
25#define APPLE_IGNORE_MOUSE 0x0002
26#define APPLE_HAS_FN 0x0004
27#define APPLE_HIDDEV 0x0008
28/* 0x0010 reserved, was: APPLE_ISO_KEYBOARD */
29#define APPLE_MIGHTYMOUSE 0x0020
30#define APPLE_INVERT_HWHEEL 0x0040
31#define APPLE_IGNORE_HIDINPUT 0x0080
32#define APPLE_NUMLOCK_EMULATION 0x0100
33
34#define APPLE_FLAG_FKEY 0x01
35
36#define HID_COUNTRY_INTERNATIONAL_ISO 13
37
38static unsigned int fnmode = 1;
39module_param(fnmode, uint, 0644);
40MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, "
41 "[1] = fkeyslast, 2 = fkeysfirst)");
42
43static unsigned int iso_layout = 1;
44module_param(iso_layout, uint, 0644);
45MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. "
46 "(0 = disabled, [1] = enabled)");
47
48static unsigned int swap_opt_cmd;
49module_param(swap_opt_cmd, uint, 0644);
50MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\") keys. "
51 "(For people who want to keep Windows PC keyboard muscle memory. "
52 "[0] = as-is, Mac layout. 1 = swapped, Windows layout.)");
53
54static unsigned int swap_fn_leftctrl;
55module_param(swap_fn_leftctrl, uint, 0644);
56MODULE_PARM_DESC(swap_fn_leftctrl, "Swap the Fn and left Control keys. "
57 "(For people who want to keep PC keyboard muscle memory. "
58 "[0] = as-is, Mac layout, 1 = swapped, PC layout)");
59
60struct apple_sc {
61 unsigned long quirks;
62 unsigned int fn_on;
63 unsigned int fn_found;
64 DECLARE_BITMAP(pressed_numlock, KEY_CNT);
65};
66
67struct apple_key_translation {
68 u16 from;
69 u16 to;
70 u8 flags;
71};
72
73static const struct apple_key_translation macbookair_fn_keys[] = {
74 { KEY_BACKSPACE, KEY_DELETE },
75 { KEY_ENTER, KEY_INSERT },
76 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
77 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
78 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
79 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
80 { KEY_F6, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
81 { KEY_F7, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
82 { KEY_F8, KEY_NEXTSONG, APPLE_FLAG_FKEY },
83 { KEY_F9, KEY_MUTE, APPLE_FLAG_FKEY },
84 { KEY_F10, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
85 { KEY_F11, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
86 { KEY_F12, KEY_EJECTCD, APPLE_FLAG_FKEY },
87 { KEY_UP, KEY_PAGEUP },
88 { KEY_DOWN, KEY_PAGEDOWN },
89 { KEY_LEFT, KEY_HOME },
90 { KEY_RIGHT, KEY_END },
91 { }
92};
93
94static const struct apple_key_translation apple_fn_keys[] = {
95 { KEY_BACKSPACE, KEY_DELETE },
96 { KEY_ENTER, KEY_INSERT },
97 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
98 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
99 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
100 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
101 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
102 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
103 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
104 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
105 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
106 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
107 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
108 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
109 { KEY_UP, KEY_PAGEUP },
110 { KEY_DOWN, KEY_PAGEDOWN },
111 { KEY_LEFT, KEY_HOME },
112 { KEY_RIGHT, KEY_END },
113 { }
114};
115
116static const struct apple_key_translation powerbook_fn_keys[] = {
117 { KEY_BACKSPACE, KEY_DELETE },
118 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
119 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
120 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
121 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
122 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
123 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
124 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
125 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
126 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
127 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
128 { KEY_UP, KEY_PAGEUP },
129 { KEY_DOWN, KEY_PAGEDOWN },
130 { KEY_LEFT, KEY_HOME },
131 { KEY_RIGHT, KEY_END },
132 { }
133};
134
135static const struct apple_key_translation powerbook_numlock_keys[] = {
136 { KEY_J, KEY_KP1 },
137 { KEY_K, KEY_KP2 },
138 { KEY_L, KEY_KP3 },
139 { KEY_U, KEY_KP4 },
140 { KEY_I, KEY_KP5 },
141 { KEY_O, KEY_KP6 },
142 { KEY_7, KEY_KP7 },
143 { KEY_8, KEY_KP8 },
144 { KEY_9, KEY_KP9 },
145 { KEY_M, KEY_KP0 },
146 { KEY_DOT, KEY_KPDOT },
147 { KEY_SLASH, KEY_KPPLUS },
148 { KEY_SEMICOLON, KEY_KPMINUS },
149 { KEY_P, KEY_KPASTERISK },
150 { KEY_MINUS, KEY_KPEQUAL },
151 { KEY_0, KEY_KPSLASH },
152 { KEY_F6, KEY_NUMLOCK },
153 { KEY_KPENTER, KEY_KPENTER },
154 { KEY_BACKSPACE, KEY_BACKSPACE },
155 { }
156};
157
158static const struct apple_key_translation apple_iso_keyboard[] = {
159 { KEY_GRAVE, KEY_102ND },
160 { KEY_102ND, KEY_GRAVE },
161 { }
162};
163
164static const struct apple_key_translation swapped_option_cmd_keys[] = {
165 { KEY_LEFTALT, KEY_LEFTMETA },
166 { KEY_LEFTMETA, KEY_LEFTALT },
167 { KEY_RIGHTALT, KEY_RIGHTMETA },
168 { KEY_RIGHTMETA,KEY_RIGHTALT },
169 { }
170};
171
172static const struct apple_key_translation swapped_fn_leftctrl_keys[] = {
173 { KEY_FN, KEY_LEFTCTRL },
174 { }
175};
176
177static const struct apple_key_translation *apple_find_translation(
178 const struct apple_key_translation *table, u16 from)
179{
180 const struct apple_key_translation *trans;
181
182 /* Look for the translation */
183 for (trans = table; trans->from; trans++)
184 if (trans->from == from)
185 return trans;
186
187 return NULL;
188}
189
190static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
191 struct hid_usage *usage, __s32 value)
192{
193 struct apple_sc *asc = hid_get_drvdata(hid);
194 const struct apple_key_translation *trans, *table;
195 bool do_translate;
196 u16 code = 0;
197
198 u16 fn_keycode = (swap_fn_leftctrl) ? (KEY_LEFTCTRL) : (KEY_FN);
199
200 if (usage->code == fn_keycode) {
201 asc->fn_on = !!value;
202 input_event(input, usage->type, KEY_FN, value);
203 return 1;
204 }
205
206 if (fnmode) {
207 if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
208 hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
209 table = macbookair_fn_keys;
210 else if (hid->product < 0x21d || hid->product >= 0x300)
211 table = powerbook_fn_keys;
212 else
213 table = apple_fn_keys;
214
215 trans = apple_find_translation (table, usage->code);
216
217 if (trans) {
218 if (test_bit(trans->from, input->key))
219 code = trans->from;
220 else if (test_bit(trans->to, input->key))
221 code = trans->to;
222
223 if (!code) {
224 if (trans->flags & APPLE_FLAG_FKEY) {
225 switch (fnmode) {
226 case 1:
227 do_translate = !asc->fn_on;
228 break;
229 case 2:
230 do_translate = asc->fn_on;
231 break;
232 default:
233 /* should never happen */
234 do_translate = false;
235 }
236 } else {
237 do_translate = asc->fn_on;
238 }
239
240 code = do_translate ? trans->to : trans->from;
241 }
242
243 input_event(input, usage->type, code, value);
244 return 1;
245 }
246
247 if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
248 (test_bit(usage->code, asc->pressed_numlock) ||
249 test_bit(LED_NUML, input->led))) {
250 trans = apple_find_translation(powerbook_numlock_keys,
251 usage->code);
252
253 if (trans) {
254 if (value)
255 set_bit(usage->code,
256 asc->pressed_numlock);
257 else
258 clear_bit(usage->code,
259 asc->pressed_numlock);
260
261 input_event(input, usage->type, trans->to,
262 value);
263 }
264
265 return 1;
266 }
267 }
268
269 if (iso_layout) {
270 if (hid->country == HID_COUNTRY_INTERNATIONAL_ISO) {
271 trans = apple_find_translation(apple_iso_keyboard, usage->code);
272 if (trans) {
273 input_event(input, usage->type, trans->to, value);
274 return 1;
275 }
276 }
277 }
278
279 if (swap_opt_cmd) {
280 trans = apple_find_translation(swapped_option_cmd_keys, usage->code);
281 if (trans) {
282 input_event(input, usage->type, trans->to, value);
283 return 1;
284 }
285 }
286
287 if (swap_fn_leftctrl) {
288 trans = apple_find_translation(swapped_fn_leftctrl_keys, usage->code);
289 if (trans) {
290 input_event(input, usage->type, trans->to, value);
291 return 1;
292 }
293 }
294
295 return 0;
296}
297
298static int apple_event(struct hid_device *hdev, struct hid_field *field,
299 struct hid_usage *usage, __s32 value)
300{
301 struct apple_sc *asc = hid_get_drvdata(hdev);
302
303 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
304 !usage->type)
305 return 0;
306
307 if ((asc->quirks & APPLE_INVERT_HWHEEL) &&
308 usage->code == REL_HWHEEL) {
309 input_event(field->hidinput->input, usage->type, usage->code,
310 -value);
311 return 1;
312 }
313
314 if ((asc->quirks & APPLE_HAS_FN) &&
315 hidinput_apple_event(hdev, field->hidinput->input,
316 usage, value))
317 return 1;
318
319
320 return 0;
321}
322
323/*
324 * MacBook JIS keyboard has wrong logical maximum
325 */
326static __u8 *apple_report_fixup(struct hid_device *hdev, __u8 *rdesc,
327 unsigned int *rsize)
328{
329 struct apple_sc *asc = hid_get_drvdata(hdev);
330
331 if ((asc->quirks & APPLE_RDESC_JIS) && *rsize >= 60 &&
332 rdesc[53] == 0x65 && rdesc[59] == 0x65) {
333 hid_info(hdev,
334 "fixing up MacBook JIS keyboard report descriptor\n");
335 rdesc[53] = rdesc[59] = 0xe7;
336 }
337 return rdesc;
338}
339
340static void apple_setup_input(struct input_dev *input)
341{
342 const struct apple_key_translation *trans;
343
344 set_bit(KEY_NUMLOCK, input->keybit);
345
346 /* Enable all needed keys */
347 for (trans = apple_fn_keys; trans->from; trans++)
348 set_bit(trans->to, input->keybit);
349
350 for (trans = powerbook_fn_keys; trans->from; trans++)
351 set_bit(trans->to, input->keybit);
352
353 for (trans = powerbook_numlock_keys; trans->from; trans++)
354 set_bit(trans->to, input->keybit);
355
356 for (trans = apple_iso_keyboard; trans->from; trans++)
357 set_bit(trans->to, input->keybit);
358
359 if (swap_fn_leftctrl) {
360 for (trans = swapped_fn_leftctrl_keys; trans->from; trans++)
361 set_bit(trans->to, input->keybit);
362 }
363}
364
365static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
366 struct hid_field *field, struct hid_usage *usage,
367 unsigned long **bit, int *max)
368{
369 struct apple_sc *asc = hid_get_drvdata(hdev);
370
371 if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
372 usage->hid == (HID_UP_MSVENDOR | 0x0003) ||
373 usage->hid == (HID_UP_HPVENDOR2 | 0x0003)) {
374 /* The fn key on Apple USB keyboards */
375 set_bit(EV_REP, hi->input->evbit);
376 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
377 asc->fn_found = true;
378 apple_setup_input(hi->input);
379 return 1;
380 }
381
382 /* we want the hid layer to go through standard path (set and ignore) */
383 return 0;
384}
385
386static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi,
387 struct hid_field *field, struct hid_usage *usage,
388 unsigned long **bit, int *max)
389{
390 struct apple_sc *asc = hid_get_drvdata(hdev);
391
392 if (asc->quirks & APPLE_MIGHTYMOUSE) {
393 if (usage->hid == HID_GD_Z)
394 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
395 else if (usage->code == BTN_1)
396 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2);
397 else if (usage->code == BTN_2)
398 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1);
399 }
400
401 return 0;
402}
403
404static int apple_input_configured(struct hid_device *hdev,
405 struct hid_input *hidinput)
406{
407 struct apple_sc *asc = hid_get_drvdata(hdev);
408
409 if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) {
410 hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n");
411 asc->quirks = 0;
412 }
413
414 return 0;
415}
416
417static int apple_probe(struct hid_device *hdev,
418 const struct hid_device_id *id)
419{
420 unsigned long quirks = id->driver_data;
421 struct apple_sc *asc;
422 unsigned int connect_mask = HID_CONNECT_DEFAULT;
423 int ret;
424
425 asc = devm_kzalloc(&hdev->dev, sizeof(*asc), GFP_KERNEL);
426 if (asc == NULL) {
427 hid_err(hdev, "can't alloc apple descriptor\n");
428 return -ENOMEM;
429 }
430
431 asc->quirks = quirks;
432
433 hid_set_drvdata(hdev, asc);
434
435 ret = hid_parse(hdev);
436 if (ret) {
437 hid_err(hdev, "parse failed\n");
438 return ret;
439 }
440
441 if (quirks & APPLE_HIDDEV)
442 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
443 if (quirks & APPLE_IGNORE_HIDINPUT)
444 connect_mask &= ~HID_CONNECT_HIDINPUT;
445
446 ret = hid_hw_start(hdev, connect_mask);
447 if (ret) {
448 hid_err(hdev, "hw start failed\n");
449 return ret;
450 }
451
452 return 0;
453}
454
455static const struct hid_device_id apple_devices[] = {
456 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE),
457 .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL },
458
459 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI),
460 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
461 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO),
462 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
463 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI),
464 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
465 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO),
466 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
467 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS),
468 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
469 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI),
470 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
471 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO),
472 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
473 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS),
474 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
475 APPLE_RDESC_JIS },
476 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI),
477 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
478 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO),
479 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
480 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS),
481 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
482 APPLE_RDESC_JIS },
483 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI),
484 .driver_data = APPLE_HAS_FN },
485 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO),
486 .driver_data = APPLE_HAS_FN },
487 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS),
488 .driver_data = APPLE_HAS_FN },
489 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI),
490 .driver_data = APPLE_HAS_FN },
491 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO),
492 .driver_data = APPLE_HAS_FN },
493 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS),
494 .driver_data = APPLE_HAS_FN },
495 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI),
496 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
497 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO),
498 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
499 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
500 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
501 APPLE_RDESC_JIS },
502 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI),
503 .driver_data = APPLE_HAS_FN },
504 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO),
505 .driver_data = APPLE_HAS_FN },
506 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS),
507 .driver_data = APPLE_HAS_FN },
508 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
509 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
510 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO),
511 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
512 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO),
513 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
514 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
515 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
516 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
517 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
518 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS),
519 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
520 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS),
521 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
522 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI),
523 .driver_data = APPLE_HAS_FN },
524 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI),
525 .driver_data = APPLE_HAS_FN },
526 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI),
527 .driver_data = APPLE_HAS_FN },
528 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI),
529 .driver_data = APPLE_HAS_FN },
530 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
531 .driver_data = APPLE_HAS_FN },
532 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
533 .driver_data = APPLE_HAS_FN },
534 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS),
535 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
536 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI),
537 .driver_data = APPLE_HAS_FN },
538 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO),
539 .driver_data = APPLE_HAS_FN },
540 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS),
541 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
542 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI),
543 .driver_data = APPLE_HAS_FN },
544 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO),
545 .driver_data = APPLE_HAS_FN },
546 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
547 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
548 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI),
549 .driver_data = APPLE_HAS_FN },
550 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO),
551 .driver_data = APPLE_HAS_FN },
552 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS),
553 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
554 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI),
555 .driver_data = APPLE_HAS_FN },
556 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO),
557 .driver_data = APPLE_HAS_FN },
558 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS),
559 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
560 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
561 .driver_data = APPLE_HAS_FN },
562 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
563 .driver_data = APPLE_HAS_FN },
564 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
565 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
566 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
567 .driver_data = APPLE_HAS_FN },
568 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
569 .driver_data = APPLE_HAS_FN },
570 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS),
571 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
572 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI),
573 .driver_data = APPLE_HAS_FN },
574 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO),
575 .driver_data = APPLE_HAS_FN },
576 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS),
577 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
578 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI),
579 .driver_data = APPLE_HAS_FN },
580 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO),
581 .driver_data = APPLE_HAS_FN },
582 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
583 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
584 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
585 .driver_data = APPLE_HAS_FN },
586 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
587 .driver_data = APPLE_HAS_FN },
588 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
589 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
590 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
591 .driver_data = APPLE_HAS_FN },
592 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
593 .driver_data = APPLE_HAS_FN },
594 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
595 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
596 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI),
597 .driver_data = APPLE_HAS_FN },
598 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO),
599 .driver_data = APPLE_HAS_FN },
600 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS),
601 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
602 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI),
603 .driver_data = APPLE_HAS_FN },
604 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO),
605 .driver_data = APPLE_HAS_FN },
606 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS),
607 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
608 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
609 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
610 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
611 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
612 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS),
613 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
614 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY),
615 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
616 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
617 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
618
619 { }
620};
621MODULE_DEVICE_TABLE(hid, apple_devices);
622
623static struct hid_driver apple_driver = {
624 .name = "apple",
625 .id_table = apple_devices,
626 .report_fixup = apple_report_fixup,
627 .probe = apple_probe,
628 .event = apple_event,
629 .input_mapping = apple_input_mapping,
630 .input_mapped = apple_input_mapped,
631 .input_configured = apple_input_configured,
632};
633module_hid_driver(apple_driver);
634
635MODULE_LICENSE("GPL");