473 lines
14 KiB
C
473 lines
14 KiB
C
/*
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* USB HID quirks support for Linux
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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* Copyright (c) 2006-2007 Jiri Kosina
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* Copyright (c) 2007 Paul Walmsley
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* Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include "hid-ids.h"
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#define APPLE_RDESC_JIS 0x0001
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#define APPLE_IGNORE_MOUSE 0x0002
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#define APPLE_HAS_FN 0x0004
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#define APPLE_HIDDEV 0x0008
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#define APPLE_ISO_KEYBOARD 0x0010
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#define APPLE_MIGHTYMOUSE 0x0020
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#define APPLE_INVERT_HWHEEL 0x0040
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#define APPLE_IGNORE_HIDINPUT 0x0080
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#define APPLE_NUMLOCK_EMULATION 0x0100
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#define APPLE_FLAG_FKEY 0x01
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static unsigned int fnmode = 1;
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module_param(fnmode, uint, 0644);
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MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, "
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"[1] = fkeyslast, 2 = fkeysfirst)");
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struct apple_sc {
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unsigned long quirks;
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unsigned int fn_on;
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DECLARE_BITMAP(pressed_fn, KEY_CNT);
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DECLARE_BITMAP(pressed_numlock, KEY_CNT);
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};
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struct apple_key_translation {
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u16 from;
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u16 to;
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u8 flags;
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};
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static const struct apple_key_translation apple_fn_keys[] = {
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{ KEY_BACKSPACE, KEY_DELETE },
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{ KEY_ENTER, KEY_INSERT },
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{ KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
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{ KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
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{ KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
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{ KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY },
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{ KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
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{ KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
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{ KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
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{ KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
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{ KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
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{ KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
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{ KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
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{ KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
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{ KEY_UP, KEY_PAGEUP },
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{ KEY_DOWN, KEY_PAGEDOWN },
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{ KEY_LEFT, KEY_HOME },
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{ KEY_RIGHT, KEY_END },
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{ }
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};
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static const struct apple_key_translation powerbook_fn_keys[] = {
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{ KEY_BACKSPACE, KEY_DELETE },
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{ KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
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{ KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
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{ KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY },
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{ KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
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{ KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
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{ KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY },
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{ KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY },
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{ KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY },
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{ KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY },
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{ KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY },
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{ KEY_UP, KEY_PAGEUP },
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{ KEY_DOWN, KEY_PAGEDOWN },
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{ KEY_LEFT, KEY_HOME },
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{ KEY_RIGHT, KEY_END },
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{ }
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};
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static const struct apple_key_translation powerbook_numlock_keys[] = {
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{ KEY_J, KEY_KP1 },
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{ KEY_K, KEY_KP2 },
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{ KEY_L, KEY_KP3 },
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{ KEY_U, KEY_KP4 },
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{ KEY_I, KEY_KP5 },
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{ KEY_O, KEY_KP6 },
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{ KEY_7, KEY_KP7 },
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{ KEY_8, KEY_KP8 },
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{ KEY_9, KEY_KP9 },
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{ KEY_M, KEY_KP0 },
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{ KEY_DOT, KEY_KPDOT },
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{ KEY_SLASH, KEY_KPPLUS },
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{ KEY_SEMICOLON, KEY_KPMINUS },
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{ KEY_P, KEY_KPASTERISK },
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{ KEY_MINUS, KEY_KPEQUAL },
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{ KEY_0, KEY_KPSLASH },
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{ KEY_F6, KEY_NUMLOCK },
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{ KEY_KPENTER, KEY_KPENTER },
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{ KEY_BACKSPACE, KEY_BACKSPACE },
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{ }
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};
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static const struct apple_key_translation apple_iso_keyboard[] = {
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{ KEY_GRAVE, KEY_102ND },
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{ KEY_102ND, KEY_GRAVE },
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{ }
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};
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static const struct apple_key_translation *apple_find_translation(
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const struct apple_key_translation *table, u16 from)
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{
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const struct apple_key_translation *trans;
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/* Look for the translation */
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for (trans = table; trans->from; trans++)
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if (trans->from == from)
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return trans;
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return NULL;
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}
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static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
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struct hid_usage *usage, __s32 value)
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{
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struct apple_sc *asc = hid_get_drvdata(hid);
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const struct apple_key_translation *trans;
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if (usage->code == KEY_FN) {
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asc->fn_on = !!value;
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input_event(input, usage->type, usage->code, value);
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return 1;
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}
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if (fnmode) {
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int do_translate;
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trans = apple_find_translation((hid->product < 0x21d ||
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hid->product >= 0x300) ?
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powerbook_fn_keys : apple_fn_keys,
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usage->code);
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if (trans) {
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if (test_bit(usage->code, asc->pressed_fn))
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do_translate = 1;
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else if (trans->flags & APPLE_FLAG_FKEY)
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do_translate = (fnmode == 2 && asc->fn_on) ||
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(fnmode == 1 && !asc->fn_on);
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else
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do_translate = asc->fn_on;
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if (do_translate) {
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if (value)
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set_bit(usage->code, asc->pressed_fn);
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else
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clear_bit(usage->code, asc->pressed_fn);
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input_event(input, usage->type, trans->to,
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value);
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return 1;
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}
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}
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if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
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(test_bit(usage->code, asc->pressed_numlock) ||
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test_bit(LED_NUML, input->led))) {
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trans = apple_find_translation(powerbook_numlock_keys,
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usage->code);
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if (trans) {
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if (value)
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set_bit(usage->code,
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asc->pressed_numlock);
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else
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clear_bit(usage->code,
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asc->pressed_numlock);
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input_event(input, usage->type, trans->to,
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value);
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}
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return 1;
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}
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}
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if (asc->quirks & APPLE_ISO_KEYBOARD) {
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trans = apple_find_translation(apple_iso_keyboard, usage->code);
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if (trans) {
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input_event(input, usage->type, trans->to, value);
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return 1;
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}
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}
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return 0;
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}
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static int apple_event(struct hid_device *hdev, struct hid_field *field,
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struct hid_usage *usage, __s32 value)
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{
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struct apple_sc *asc = hid_get_drvdata(hdev);
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if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
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!usage->type)
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return 0;
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if ((asc->quirks & APPLE_INVERT_HWHEEL) &&
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usage->code == REL_HWHEEL) {
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input_event(field->hidinput->input, usage->type, usage->code,
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-value);
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return 1;
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}
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if ((asc->quirks & APPLE_HAS_FN) &&
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hidinput_apple_event(hdev, field->hidinput->input,
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usage, value))
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return 1;
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return 0;
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}
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/*
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* MacBook JIS keyboard has wrong logical maximum
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*/
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static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int rsize)
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{
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struct apple_sc *asc = hid_get_drvdata(hdev);
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if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 &&
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rdesc[53] == 0x65 && rdesc[59] == 0x65) {
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dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report "
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"descriptor\n");
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rdesc[53] = rdesc[59] = 0xe7;
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}
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}
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static void apple_setup_input(struct input_dev *input)
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{
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const struct apple_key_translation *trans;
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set_bit(KEY_NUMLOCK, input->keybit);
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/* Enable all needed keys */
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for (trans = apple_fn_keys; trans->from; trans++)
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set_bit(trans->to, input->keybit);
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for (trans = powerbook_fn_keys; trans->from; trans++)
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set_bit(trans->to, input->keybit);
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for (trans = powerbook_numlock_keys; trans->from; trans++)
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set_bit(trans->to, input->keybit);
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for (trans = apple_iso_keyboard; trans->from; trans++)
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set_bit(trans->to, input->keybit);
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}
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static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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if (usage->hid == (HID_UP_CUSTOM | 0x0003)) {
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/* The fn key on Apple USB keyboards */
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set_bit(EV_REP, hi->input->evbit);
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hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
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apple_setup_input(hi->input);
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return 1;
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}
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/* we want the hid layer to go through standard path (set and ignore) */
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return 0;
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}
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static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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struct apple_sc *asc = hid_get_drvdata(hdev);
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if (asc->quirks & APPLE_MIGHTYMOUSE) {
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if (usage->hid == HID_GD_Z)
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hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
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else if (usage->code == BTN_1)
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hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2);
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else if (usage->code == BTN_2)
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hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1);
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}
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return 0;
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}
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static int apple_probe(struct hid_device *hdev,
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const struct hid_device_id *id)
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{
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unsigned long quirks = id->driver_data;
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struct apple_sc *asc;
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unsigned int connect_mask = HID_CONNECT_DEFAULT;
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int ret;
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asc = kzalloc(sizeof(*asc), GFP_KERNEL);
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if (asc == NULL) {
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dev_err(&hdev->dev, "can't alloc apple descriptor\n");
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return -ENOMEM;
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}
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asc->quirks = quirks;
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hid_set_drvdata(hdev, asc);
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ret = hid_parse(hdev);
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if (ret) {
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dev_err(&hdev->dev, "parse failed\n");
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goto err_free;
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}
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if (quirks & APPLE_HIDDEV)
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connect_mask |= HID_CONNECT_HIDDEV_FORCE;
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if (quirks & APPLE_IGNORE_HIDINPUT)
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connect_mask &= ~HID_CONNECT_HIDINPUT;
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ret = hid_hw_start(hdev, connect_mask);
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if (ret) {
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dev_err(&hdev->dev, "hw start failed\n");
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goto err_free;
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}
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return 0;
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err_free:
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kfree(asc);
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return ret;
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}
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static void apple_remove(struct hid_device *hdev)
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{
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hid_hw_stop(hdev);
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kfree(hid_get_drvdata(hdev));
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}
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static const struct hid_device_id apple_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL),
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.driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4),
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.driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE),
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.driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_ISO_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_ISO_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_RDESC_JIS },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_ISO_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_RDESC_JIS },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI),
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.driver_data = APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO),
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.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS),
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.driver_data = APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI),
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.driver_data = APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO),
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.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS),
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.driver_data = APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_RDESC_JIS },
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{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
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APPLE_ISO_KEYBOARD },
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{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS),
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.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
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.driver_data = APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
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.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS),
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.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI),
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.driver_data = APPLE_HAS_FN },
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{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO),
|
|
.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS),
|
|
.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI),
|
|
.driver_data = APPLE_HAS_FN },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO),
|
|
.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
|
|
.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY),
|
|
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
|
|
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
|
|
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, apple_devices);
|
|
|
|
static struct hid_driver apple_driver = {
|
|
.name = "apple",
|
|
.id_table = apple_devices,
|
|
.report_fixup = apple_report_fixup,
|
|
.probe = apple_probe,
|
|
.remove = apple_remove,
|
|
.event = apple_event,
|
|
.input_mapping = apple_input_mapping,
|
|
.input_mapped = apple_input_mapped,
|
|
};
|
|
|
|
static int __init apple_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = hid_register_driver(&apple_driver);
|
|
if (ret)
|
|
printk(KERN_ERR "can't register apple driver\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit apple_exit(void)
|
|
{
|
|
hid_unregister_driver(&apple_driver);
|
|
}
|
|
|
|
module_init(apple_init);
|
|
module_exit(apple_exit);
|
|
MODULE_LICENSE("GPL");
|