swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
Tip revision: d6d5df1db6e9d7f8f76d2911707f7d5877251b02 authored by Linus Torvalds on 27 October 2019, 17:19:19 UTC
Linux 5.4-rc5
Linux 5.4-rc5
Tip revision: d6d5df1
hid-gyration.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for some gyration "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) 2008 Jiri Slaby
* Copyright (c) 2006-2008 Jiri Kosina
*/
/*
*/
#include <linux/device.h>
#include <linux/input.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
#define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
EV_KEY, (c))
static int gyration_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_LOGIVENDOR)
return 0;
set_bit(EV_REP, hi->input->evbit);
switch (usage->hid & HID_USAGE) {
/* Reported on Gyration MCE Remote */
case 0x00d: gy_map_key_clear(KEY_HOME); break;
case 0x024: gy_map_key_clear(KEY_DVD); break;
case 0x025: gy_map_key_clear(KEY_PVR); break;
case 0x046: gy_map_key_clear(KEY_MEDIA); break;
case 0x047: gy_map_key_clear(KEY_MP3); break;
case 0x048: gy_map_key_clear(KEY_MEDIA); break;
case 0x049: gy_map_key_clear(KEY_CAMERA); break;
case 0x04a: gy_map_key_clear(KEY_VIDEO); break;
case 0x05a: gy_map_key_clear(KEY_TEXT); break;
case 0x05b: gy_map_key_clear(KEY_RED); break;
case 0x05c: gy_map_key_clear(KEY_GREEN); break;
case 0x05d: gy_map_key_clear(KEY_YELLOW); break;
case 0x05e: gy_map_key_clear(KEY_BLUE); break;
default:
return 0;
}
return 1;
}
static int gyration_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
return 0;
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
(usage->hid & 0xff) == 0x82) {
struct input_dev *input = field->hidinput->input;
input_event(input, usage->type, usage->code, 1);
input_sync(input);
input_event(input, usage->type, usage->code, 0);
input_sync(input);
return 1;
}
return 0;
}
static const struct hid_device_id gyration_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
{ }
};
MODULE_DEVICE_TABLE(hid, gyration_devices);
static struct hid_driver gyration_driver = {
.name = "gyration",
.id_table = gyration_devices,
.input_mapping = gyration_input_mapping,
.event = gyration_event,
};
module_hid_driver(gyration_driver);
MODULE_LICENSE("GPL");