forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.1 KiB
88 lines
2.1 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* HID driver for some belkin "special" devices |
|
* |
|
* Copyright (c) 1999 Andreas Gal |
|
* Copyright (c) 2000-2005 Vojtech Pavlik <[email protected]> |
|
* Copyright (c) 2005 Michael Haboustak <[email protected]> for Concept2, Inc |
|
* Copyright (c) 2006-2007 Jiri Kosina |
|
* Copyright (c) 2008 Jiri Slaby |
|
*/ |
|
|
|
/* |
|
*/ |
|
|
|
#include <linux/device.h> |
|
#include <linux/hid.h> |
|
#include <linux/module.h> |
|
|
|
#include "hid-ids.h" |
|
|
|
#define BELKIN_HIDDEV 0x01 |
|
#define BELKIN_WKBD 0x02 |
|
|
|
#define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
|
EV_KEY, (c)) |
|
static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
|
struct hid_field *field, struct hid_usage *usage, |
|
unsigned long **bit, int *max) |
|
{ |
|
unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); |
|
|
|
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || |
|
!(quirks & BELKIN_WKBD)) |
|
return 0; |
|
|
|
switch (usage->hid & HID_USAGE) { |
|
case 0x03a: belkin_map_key_clear(KEY_SOUND); break; |
|
case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; |
|
case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; |
|
default: |
|
return 0; |
|
} |
|
return 1; |
|
} |
|
|
|
static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) |
|
{ |
|
unsigned long quirks = id->driver_data; |
|
int ret; |
|
|
|
hid_set_drvdata(hdev, (void *)quirks); |
|
|
|
ret = hid_parse(hdev); |
|
if (ret) { |
|
hid_err(hdev, "parse failed\n"); |
|
goto err_free; |
|
} |
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | |
|
((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); |
|
if (ret) { |
|
hid_err(hdev, "hw start failed\n"); |
|
goto err_free; |
|
} |
|
|
|
return 0; |
|
err_free: |
|
return ret; |
|
} |
|
|
|
static const struct hid_device_id belkin_devices[] = { |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), |
|
.driver_data = BELKIN_HIDDEV }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), |
|
.driver_data = BELKIN_WKBD }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE(hid, belkin_devices); |
|
|
|
static struct hid_driver belkin_driver = { |
|
.name = "belkin", |
|
.id_table = belkin_devices, |
|
.input_mapping = belkin_input_mapping, |
|
.probe = belkin_probe, |
|
}; |
|
module_hid_driver(belkin_driver); |
|
|
|
MODULE_LICENSE("GPL");
|
|
|