1/* SPDX-License-Identifier: GPL-2.0-or-later */
2#ifndef __HID_ROCCAT_ARVO_H
3#define __HID_ROCCAT_ARVO_H
4
5/*
6 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
7 */
8
9/*
10 */
11
12#include <linux/types.h>
13
14struct arvo_mode_key { /* 2 bytes */
15 uint8_t command; /* ARVO_COMMAND_MODE_KEY */
16 uint8_t state;
17} __packed;
18
19struct arvo_button {
20 uint8_t unknown[24];
21} __packed;
22
23struct arvo_info {
24 uint8_t unknown[8];
25} __packed;
26
27struct arvo_key_mask { /* 2 bytes */
28 uint8_t command; /* ARVO_COMMAND_KEY_MASK */
29 uint8_t key_mask;
30} __packed;
31
32/* selected profile is persistent */
33struct arvo_actual_profile { /* 2 bytes */
34 uint8_t command; /* ARVO_COMMAND_ACTUAL_PROFILE */
35 uint8_t actual_profile;
36} __packed;
37
38enum arvo_commands {
39 ARVO_COMMAND_MODE_KEY = 0x3,
40 ARVO_COMMAND_BUTTON = 0x4,
41 ARVO_COMMAND_INFO = 0x5,
42 ARVO_COMMAND_KEY_MASK = 0x6,
43 ARVO_COMMAND_ACTUAL_PROFILE = 0x7,
44};
45
46struct arvo_special_report {
47 uint8_t unknown1; /* always 0x01 */
48 uint8_t event;
49 uint8_t unknown2; /* always 0x70 */
50} __packed;
51
52enum arvo_special_report_events {
53 ARVO_SPECIAL_REPORT_EVENT_ACTION_PRESS = 0x10,
54 ARVO_SPECIAL_REPORT_EVENT_ACTION_RELEASE = 0x0,
55};
56
57enum arvo_special_report_event_masks {
58 ARVO_SPECIAL_REPORT_EVENT_MASK_ACTION = 0xf0,
59 ARVO_SPECIAL_REPORT_EVENT_MASK_BUTTON = 0x0f,
60};
61
62struct arvo_roccat_report {
63 uint8_t profile;
64 uint8_t button;
65 uint8_t action;
66} __packed;
67
68enum arvo_roccat_report_action {
69 ARVO_ROCCAT_REPORT_ACTION_RELEASE = 0,
70 ARVO_ROCCAT_REPORT_ACTION_PRESS = 1,
71};
72
73struct arvo_device {
74 int roccat_claimed;
75 int chrdev_minor;
76
77 struct mutex arvo_lock;
78
79 int actual_profile;
80};
81
82#endif
83

source code of linux/drivers/hid/hid-roccat-arvo.h