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Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * HID driver for some ezkey "special" devices | ||
| * | ||
| * Copyright (c) 1999 Andreas Gal | ||
| * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> | ||
| * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc | ||
| * Copyright (c) 2006-2007 Jiri Kosina | ||
| * Copyright (c) 2007 Paul Walmsley | ||
| * Copyright (c) 2008 Jiri Slaby | ||
| */ | ||
|
|
||
| /* | ||
| * This program is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License as published by the Free | ||
| * Software Foundation; either version 2 of the License, or (at your option) | ||
| * any later version. | ||
| */ | ||
|
|
||
| #include <linux/device.h> | ||
| #include <linux/input.h> | ||
| #include <linux/hid.h> | ||
| #include <linux/module.h> | ||
|
|
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| #include "hid-ids.h" | ||
|
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| #define ez_map_rel(c) hid_map_usage(hi, usage, bit, max, EV_REL, (c)) | ||
| #define ez_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c)) | ||
|
|
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| static int ez_input_mapping(struct hid_device *hdev, struct hid_input *hi, | ||
| struct hid_field *field, struct hid_usage *usage, | ||
| unsigned long **bit, int *max) | ||
| { | ||
| if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) | ||
| return 0; | ||
|
|
||
| switch (usage->hid & HID_USAGE) { | ||
| case 0x230: ez_map_key(BTN_MOUSE); break; | ||
| case 0x231: ez_map_rel(REL_WHEEL); break; | ||
| /* | ||
| * this keyboard has a scrollwheel implemented in | ||
| * totally broken way. We map this usage temporarily | ||
| * to HWHEEL and handle it in the event quirk handler | ||
| */ | ||
| case 0x232: ez_map_rel(REL_HWHEEL); break; | ||
| default: | ||
| return 0; | ||
| } | ||
| return 1; | ||
| } | ||
|
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| static int ez_event(struct hid_device *hdev, struct hid_field *field, | ||
| struct hid_usage *usage, __s32 value) | ||
| { | ||
| if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || | ||
| !usage->type) | ||
| return 0; | ||
|
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| /* handle the temporary quirky mapping to HWHEEL */ | ||
| if (usage->type == EV_REL && usage->code == REL_HWHEEL) { | ||
| struct input_dev *input = field->hidinput->input; | ||
| input_event(input, usage->type, REL_WHEEL, -value); | ||
| return 1; | ||
| } | ||
|
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| return 0; | ||
| } | ||
|
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| static const struct hid_device_id ez_devices[] = { | ||
| { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, | ||
| { } | ||
| }; | ||
| MODULE_DEVICE_TABLE(hid, ez_devices); | ||
|
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| static struct hid_driver ez_driver = { | ||
| .name = "ezkey", | ||
| .id_table = ez_devices, | ||
| .input_mapping = ez_input_mapping, | ||
| .event = ez_event, | ||
| }; | ||
|
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| static int ez_init(void) | ||
| { | ||
| return hid_register_driver(&ez_driver); | ||
| } | ||
|
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| static void ez_exit(void) | ||
| { | ||
| hid_unregister_driver(&ez_driver); | ||
| } | ||
|
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| module_init(ez_init); | ||
| module_exit(ez_exit); | ||
| MODULE_LICENSE("GPL"); | ||
|
|
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| HID_COMPAT_LOAD_DRIVER(ezkey); |
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