xref: /linux/drivers/hid/hid-roccat-arvo.h (revision ae22a94997b8a03dcb3c922857c203246711f9d4)
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 
14 struct arvo_mode_key { /* 2 bytes */
15 	uint8_t command; /* ARVO_COMMAND_MODE_KEY */
16 	uint8_t state;
17 } __packed;
18 
19 struct arvo_button {
20 	uint8_t unknown[24];
21 } __packed;
22 
23 struct arvo_info {
24 	uint8_t unknown[8];
25 } __packed;
26 
27 struct 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 */
33 struct arvo_actual_profile { /* 2 bytes */
34 	uint8_t command; /* ARVO_COMMAND_ACTUAL_PROFILE */
35 	uint8_t actual_profile;
36 } __packed;
37 
38 enum 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 
46 struct arvo_special_report {
47 	uint8_t unknown1; /* always 0x01 */
48 	uint8_t event;
49 	uint8_t unknown2; /* always 0x70 */
50 } __packed;
51 
52 enum arvo_special_report_events {
53 	ARVO_SPECIAL_REPORT_EVENT_ACTION_PRESS = 0x10,
54 	ARVO_SPECIAL_REPORT_EVENT_ACTION_RELEASE = 0x0,
55 };
56 
57 enum arvo_special_report_event_masks {
58 	ARVO_SPECIAL_REPORT_EVENT_MASK_ACTION = 0xf0,
59 	ARVO_SPECIAL_REPORT_EVENT_MASK_BUTTON = 0x0f,
60 };
61 
62 struct arvo_roccat_report {
63 	uint8_t profile;
64 	uint8_t button;
65 	uint8_t action;
66 } __packed;
67 
68 enum arvo_roccat_report_action {
69 	ARVO_ROCCAT_REPORT_ACTION_RELEASE = 0,
70 	ARVO_ROCCAT_REPORT_ACTION_PRESS = 1,
71 };
72 
73 struct 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