dccp ccid-2: Share TCP's minimum RTO code
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / hid / hid-apple.c
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1 /*
2 * USB HID quirks support for Linux
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2007 Jiri Kosina
8 * Copyright (c) 2007 Paul Walmsley
9 * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the Free
15 * Software Foundation; either version 2 of the License, or (at your option)
16 * any later version.
19 #include <linux/device.h>
20 #include <linux/hid.h>
21 #include <linux/module.h>
22 #include <linux/slab.h>
23 #include <linux/usb.h>
25 #include "hid-ids.h"
27 #define APPLE_RDESC_JIS 0x0001
28 #define APPLE_IGNORE_MOUSE 0x0002
29 #define APPLE_HAS_FN 0x0004
30 #define APPLE_HIDDEV 0x0008
31 #define APPLE_ISO_KEYBOARD 0x0010
32 #define APPLE_MIGHTYMOUSE 0x0020
33 #define APPLE_INVERT_HWHEEL 0x0040
34 #define APPLE_IGNORE_HIDINPUT 0x0080
35 #define APPLE_NUMLOCK_EMULATION 0x0100
37 #define APPLE_FLAG_FKEY 0x01
39 static unsigned int fnmode = 1;
40 module_param(fnmode, uint, 0644);
41 MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, "
42 "[1] = fkeyslast, 2 = fkeysfirst)");
44 static unsigned int iso_layout = 1;
45 module_param(iso_layout, uint, 0644);
46 MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. "
47 "(0 = disabled, [1] = enabled)");
49 struct apple_sc {
50 unsigned long quirks;
51 unsigned int fn_on;
52 DECLARE_BITMAP(pressed_fn, KEY_CNT);
53 DECLARE_BITMAP(pressed_numlock, KEY_CNT);
56 struct apple_key_translation {
57 u16 from;
58 u16 to;
59 u8 flags;
62 static const struct apple_key_translation apple_fn_keys[] = {
63 { KEY_BACKSPACE, KEY_DELETE },
64 { KEY_ENTER, KEY_INSERT },
65 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
66 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
67 { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
68 { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
69 { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
70 { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
71 { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
72 { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
73 { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
74 { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
75 { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
76 { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
77 { KEY_UP, KEY_PAGEUP },
78 { KEY_DOWN, KEY_PAGEDOWN },
79 { KEY_LEFT, KEY_HOME },
80 { KEY_RIGHT, KEY_END },
81 { }
84 static const struct apple_key_translation powerbook_fn_keys[] = {
85 { KEY_BACKSPACE, KEY_DELETE },
86 { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
87 { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
88 { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
89 { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
90 { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
91 { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
92 { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
93 { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
94 { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
95 { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
96 { KEY_UP, KEY_PAGEUP },
97 { KEY_DOWN, KEY_PAGEDOWN },
98 { KEY_LEFT, KEY_HOME },
99 { KEY_RIGHT, KEY_END },
103 static const struct apple_key_translation powerbook_numlock_keys[] = {
104 { KEY_J, KEY_KP1 },
105 { KEY_K, KEY_KP2 },
106 { KEY_L, KEY_KP3 },
107 { KEY_U, KEY_KP4 },
108 { KEY_I, KEY_KP5 },
109 { KEY_O, KEY_KP6 },
110 { KEY_7, KEY_KP7 },
111 { KEY_8, KEY_KP8 },
112 { KEY_9, KEY_KP9 },
113 { KEY_M, KEY_KP0 },
114 { KEY_DOT, KEY_KPDOT },
115 { KEY_SLASH, KEY_KPPLUS },
116 { KEY_SEMICOLON, KEY_KPMINUS },
117 { KEY_P, KEY_KPASTERISK },
118 { KEY_MINUS, KEY_KPEQUAL },
119 { KEY_0, KEY_KPSLASH },
120 { KEY_F6, KEY_NUMLOCK },
121 { KEY_KPENTER, KEY_KPENTER },
122 { KEY_BACKSPACE, KEY_BACKSPACE },
126 static const struct apple_key_translation apple_iso_keyboard[] = {
127 { KEY_GRAVE, KEY_102ND },
128 { KEY_102ND, KEY_GRAVE },
132 static const struct apple_key_translation *apple_find_translation(
133 const struct apple_key_translation *table, u16 from)
135 const struct apple_key_translation *trans;
137 /* Look for the translation */
138 for (trans = table; trans->from; trans++)
139 if (trans->from == from)
140 return trans;
142 return NULL;
145 static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
146 struct hid_usage *usage, __s32 value)
148 struct apple_sc *asc = hid_get_drvdata(hid);
149 const struct apple_key_translation *trans;
151 if (usage->code == KEY_FN) {
152 asc->fn_on = !!value;
153 input_event(input, usage->type, usage->code, value);
154 return 1;
157 if (fnmode) {
158 int do_translate;
160 trans = apple_find_translation((hid->product < 0x21d ||
161 hid->product >= 0x300) ?
162 powerbook_fn_keys : apple_fn_keys,
163 usage->code);
164 if (trans) {
165 if (test_bit(usage->code, asc->pressed_fn))
166 do_translate = 1;
167 else if (trans->flags & APPLE_FLAG_FKEY)
168 do_translate = (fnmode == 2 && asc->fn_on) ||
169 (fnmode == 1 && !asc->fn_on);
170 else
171 do_translate = asc->fn_on;
173 if (do_translate) {
174 if (value)
175 set_bit(usage->code, asc->pressed_fn);
176 else
177 clear_bit(usage->code, asc->pressed_fn);
179 input_event(input, usage->type, trans->to,
180 value);
182 return 1;
186 if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
187 (test_bit(usage->code, asc->pressed_numlock) ||
188 test_bit(LED_NUML, input->led))) {
189 trans = apple_find_translation(powerbook_numlock_keys,
190 usage->code);
192 if (trans) {
193 if (value)
194 set_bit(usage->code,
195 asc->pressed_numlock);
196 else
197 clear_bit(usage->code,
198 asc->pressed_numlock);
200 input_event(input, usage->type, trans->to,
201 value);
204 return 1;
208 if (iso_layout) {
209 if (asc->quirks & APPLE_ISO_KEYBOARD) {
210 trans = apple_find_translation(apple_iso_keyboard, usage->code);
211 if (trans) {
212 input_event(input, usage->type, trans->to, value);
213 return 1;
218 return 0;
221 static int apple_event(struct hid_device *hdev, struct hid_field *field,
222 struct hid_usage *usage, __s32 value)
224 struct apple_sc *asc = hid_get_drvdata(hdev);
226 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
227 !usage->type)
228 return 0;
230 if ((asc->quirks & APPLE_INVERT_HWHEEL) &&
231 usage->code == REL_HWHEEL) {
232 input_event(field->hidinput->input, usage->type, usage->code,
233 -value);
234 return 1;
237 if ((asc->quirks & APPLE_HAS_FN) &&
238 hidinput_apple_event(hdev, field->hidinput->input,
239 usage, value))
240 return 1;
243 return 0;
247 * MacBook JIS keyboard has wrong logical maximum
249 static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc,
250 unsigned int rsize)
252 struct apple_sc *asc = hid_get_drvdata(hdev);
254 if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 &&
255 rdesc[53] == 0x65 && rdesc[59] == 0x65) {
256 dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report "
257 "descriptor\n");
258 rdesc[53] = rdesc[59] = 0xe7;
262 static void apple_setup_input(struct input_dev *input)
264 const struct apple_key_translation *trans;
266 set_bit(KEY_NUMLOCK, input->keybit);
268 /* Enable all needed keys */
269 for (trans = apple_fn_keys; trans->from; trans++)
270 set_bit(trans->to, input->keybit);
272 for (trans = powerbook_fn_keys; trans->from; trans++)
273 set_bit(trans->to, input->keybit);
275 for (trans = powerbook_numlock_keys; trans->from; trans++)
276 set_bit(trans->to, input->keybit);
278 for (trans = apple_iso_keyboard; trans->from; trans++)
279 set_bit(trans->to, input->keybit);
282 static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
283 struct hid_field *field, struct hid_usage *usage,
284 unsigned long **bit, int *max)
286 if (usage->hid == (HID_UP_CUSTOM | 0x0003)) {
287 /* The fn key on Apple USB keyboards */
288 set_bit(EV_REP, hi->input->evbit);
289 hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
290 apple_setup_input(hi->input);
291 return 1;
294 /* we want the hid layer to go through standard path (set and ignore) */
295 return 0;
298 static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi,
299 struct hid_field *field, struct hid_usage *usage,
300 unsigned long **bit, int *max)
302 struct apple_sc *asc = hid_get_drvdata(hdev);
304 if (asc->quirks & APPLE_MIGHTYMOUSE) {
305 if (usage->hid == HID_GD_Z)
306 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
307 else if (usage->code == BTN_1)
308 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2);
309 else if (usage->code == BTN_2)
310 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1);
313 return 0;
316 static int apple_probe(struct hid_device *hdev,
317 const struct hid_device_id *id)
319 unsigned long quirks = id->driver_data;
320 struct apple_sc *asc;
321 unsigned int connect_mask = HID_CONNECT_DEFAULT;
322 int ret;
324 asc = kzalloc(sizeof(*asc), GFP_KERNEL);
325 if (asc == NULL) {
326 dev_err(&hdev->dev, "can't alloc apple descriptor\n");
327 return -ENOMEM;
330 asc->quirks = quirks;
332 hid_set_drvdata(hdev, asc);
334 ret = hid_parse(hdev);
335 if (ret) {
336 dev_err(&hdev->dev, "parse failed\n");
337 goto err_free;
340 if (quirks & APPLE_HIDDEV)
341 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
342 if (quirks & APPLE_IGNORE_HIDINPUT)
343 connect_mask &= ~HID_CONNECT_HIDINPUT;
345 ret = hid_hw_start(hdev, connect_mask);
346 if (ret) {
347 dev_err(&hdev->dev, "hw start failed\n");
348 goto err_free;
351 return 0;
352 err_free:
353 kfree(asc);
354 return ret;
357 static void apple_remove(struct hid_device *hdev)
359 hid_hw_stop(hdev);
360 kfree(hid_get_drvdata(hdev));
363 static const struct hid_device_id apple_devices[] = {
364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL),
365 .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT },
366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4),
367 .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT },
368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE),
369 .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL },
371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI),
372 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO),
374 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI),
376 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO),
378 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
379 APPLE_ISO_KEYBOARD },
380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS),
381 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI),
383 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO),
385 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
386 APPLE_ISO_KEYBOARD },
387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS),
388 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
389 APPLE_RDESC_JIS },
390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI),
391 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO),
393 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
394 APPLE_ISO_KEYBOARD },
395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS),
396 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
397 APPLE_RDESC_JIS },
398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI),
399 .driver_data = APPLE_HAS_FN },
400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO),
401 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS),
403 .driver_data = APPLE_HAS_FN },
404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI),
405 .driver_data = APPLE_HAS_FN },
406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO),
407 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS),
409 .driver_data = APPLE_HAS_FN },
410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI),
411 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
412 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO),
413 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
415 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
416 APPLE_RDESC_JIS },
417 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
418 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
419 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO),
420 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
421 APPLE_ISO_KEYBOARD },
422 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS),
423 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
425 .driver_data = APPLE_HAS_FN },
426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
427 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS),
429 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
430 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI),
431 .driver_data = APPLE_HAS_FN },
432 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO),
433 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
434 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS),
435 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
436 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI),
437 .driver_data = APPLE_HAS_FN },
438 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO),
439 .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
440 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
441 .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
442 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
443 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
444 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
445 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
446 APPLE_ISO_KEYBOARD },
447 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS),
448 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
449 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY),
450 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
451 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
452 .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
456 MODULE_DEVICE_TABLE(hid, apple_devices);
458 static struct hid_driver apple_driver = {
459 .name = "apple",
460 .id_table = apple_devices,
461 .report_fixup = apple_report_fixup,
462 .probe = apple_probe,
463 .remove = apple_remove,
464 .event = apple_event,
465 .input_mapping = apple_input_mapping,
466 .input_mapped = apple_input_mapped,
469 static int __init apple_init(void)
471 int ret;
473 ret = hid_register_driver(&apple_driver);
474 if (ret)
475 printk(KERN_ERR "can't register apple driver\n");
477 return ret;
480 static void __exit apple_exit(void)
482 hid_unregister_driver(&apple_driver);
485 module_init(apple_init);
486 module_exit(apple_exit);
487 MODULE_LICENSE("GPL");