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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * HID driver for some gyration "special" devices4 *5 * Copyright (c) 1999 Andreas Gal6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc8 * Copyright (c) 2008 Jiri Slaby9 * Copyright (c) 2006-2008 Jiri Kosina10 */11 12/*13 */14 15#include <linux/device.h>16#include <linux/input.h>17#include <linux/hid.h>18#include <linux/module.h>19 20#include "hid-ids.h"21 22#define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \23 EV_KEY, (c))24static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,25 struct hid_field *field, struct hid_usage *usage,26 unsigned long **bit, int *max)27{28 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)29 return 0;30 31 set_bit(EV_REP, hi->input->evbit);32 switch (usage->hid & HID_USAGE) {33 /* Reported on Gyration MCE Remote */34 case 0x00d: gy_map_key_clear(KEY_HOME); break;35 case 0x024: gy_map_key_clear(KEY_DVD); break;36 case 0x025: gy_map_key_clear(KEY_PVR); break;37 case 0x046: gy_map_key_clear(KEY_MEDIA); break;38 case 0x047: gy_map_key_clear(KEY_MP3); break;39 case 0x048: gy_map_key_clear(KEY_MEDIA); break;40 case 0x049: gy_map_key_clear(KEY_CAMERA); break;41 case 0x04a: gy_map_key_clear(KEY_VIDEO); break;42 case 0x05a: gy_map_key_clear(KEY_TEXT); break;43 case 0x05b: gy_map_key_clear(KEY_RED); break;44 case 0x05c: gy_map_key_clear(KEY_GREEN); break;45 case 0x05d: gy_map_key_clear(KEY_YELLOW); break;46 case 0x05e: gy_map_key_clear(KEY_BLUE); break;47 48 default:49 return 0;50 }51 return 1;52}53 54static int gyration_event(struct hid_device *hdev, struct hid_field *field,55 struct hid_usage *usage, __s32 value)56{57 58 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)59 return 0;60 61 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&62 (usage->hid & 0xff) == 0x82) {63 struct input_dev *input = field->hidinput->input;64 input_event(input, usage->type, usage->code, 1);65 input_sync(input);66 input_event(input, usage->type, usage->code, 0);67 input_sync(input);68 return 1;69 }70 71 return 0;72}73 74static const struct hid_device_id gyration_devices[] = {75 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },76 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },77 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },78 { }79};80MODULE_DEVICE_TABLE(hid, gyration_devices);81 82static struct hid_driver gyration_driver = {83 .name = "gyration",84 .id_table = gyration_devices,85 .input_mapping = gyration_input_mapping,86 .event = gyration_event,87};88module_hid_driver(gyration_driver);89 90MODULE_DESCRIPTION("HID driver for some gyration \"special\" devices");91MODULE_LICENSE("GPL");92