HID: core: Avoid uninitialized buffer access
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-roccat-kovaplus.h
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1#ifndef __HID_ROCCAT_KOVAPLUS_H
2#define __HID_ROCCAT_KOVAPLUS_H
3
4/*
5 * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
6 */
7
8/*
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
12 * any later version.
13 */
14
15#include <linux/types.h>
16
94a8fcf9 17enum {
172e2abc 18 KOVAPLUS_SIZE_CONTROL = 0x03,
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19 KOVAPLUS_SIZE_INFO = 0x06,
20 KOVAPLUS_SIZE_PROFILE_SETTINGS = 0x10,
21 KOVAPLUS_SIZE_PROFILE_BUTTONS = 0x17,
22};
23
0e70f97f 24enum kovaplus_control_requests {
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25 /* write; value = profile number range 0-4 */
26 KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS = 0x10,
27 /* write; value = profile number range 0-4 */
28 KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS = 0x20,
29};
30
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31struct kovaplus_actual_profile {
32 uint8_t command; /* KOVAPLUS_COMMAND_ACTUAL_PROFILE */
33 uint8_t size; /* always 3 */
34 uint8_t actual_profile; /* Range 0-4! */
35} __packed;
36
37struct kovaplus_profile_settings {
38 uint8_t command; /* KOVAPLUS_COMMAND_PROFILE_SETTINGS */
39 uint8_t size; /* 16 */
40 uint8_t profile_index; /* range 0-4 */
41 uint8_t unknown1;
42 uint8_t sensitivity_x; /* range 1-10 */
43 uint8_t sensitivity_y; /* range 1-10 */
44 uint8_t cpi_levels_enabled;
45 uint8_t cpi_startup_level; /* range 1-4 */
46 uint8_t data[8];
47} __packed;
48
49struct kovaplus_profile_buttons {
50 uint8_t command; /* KOVAPLUS_COMMAND_PROFILE_BUTTONS */
51 uint8_t size; /* 23 */
52 uint8_t profile_index; /* range 0-4 */
53 uint8_t data[20];
54} __packed;
55
56struct kovaplus_info {
57 uint8_t command; /* KOVAPLUS_COMMAND_INFO */
58 uint8_t size; /* 6 */
59 uint8_t firmware_version;
60 uint8_t unknown[3];
61} __packed;
62
0e70f97f 63enum kovaplus_commands {
0e70f97f 64 KOVAPLUS_COMMAND_ACTUAL_PROFILE = 0x5,
172e2abc 65 KOVAPLUS_COMMAND_CONTROL = 0x4,
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66 KOVAPLUS_COMMAND_PROFILE_SETTINGS = 0x6,
67 KOVAPLUS_COMMAND_PROFILE_BUTTONS = 0x7,
68 KOVAPLUS_COMMAND_INFO = 0x9,
69 KOVAPLUS_COMMAND_A = 0xa,
70};
71
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72enum kovaplus_mouse_report_numbers {
73 KOVAPLUS_MOUSE_REPORT_NUMBER_MOUSE = 1,
74 KOVAPLUS_MOUSE_REPORT_NUMBER_AUDIO = 2,
75 KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON = 3,
76 KOVAPLUS_MOUSE_REPORT_NUMBER_KBD = 4,
77};
78
79struct kovaplus_mouse_report_button {
80 uint8_t report_number; /* KOVAPLUS_MOUSE_REPORT_NUMBER_BUTTON */
81 uint8_t unknown1;
82 uint8_t type;
83 uint8_t data1;
84 uint8_t data2;
85} __packed;
86
87enum kovaplus_mouse_report_button_types {
88 /* data1 = profile_number range 1-5; no release event */
89 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_1 = 0x20,
90 /* data1 = profile_number range 1-5; no release event */
91 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_PROFILE_2 = 0x30,
92 /* data1 = button_number range 1-18; data2 = action */
93 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MACRO = 0x40,
94 /* data1 = button_number range 1-18; data2 = action */
95 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SHORTCUT = 0x50,
96 /* data1 = button_number range 1-18; data2 = action */
97 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH = 0x60,
98 /* data1 = button_number range 1-18; data2 = action */
99 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_TIMER = 0x80,
100 /* data1 = 1 = 400, 2 = 800, 4 = 1600, 7 = 3200; no release event */
101 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_CPI = 0xb0,
102 /* data1 + data2 = sense range 1-10; no release event */
103 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY = 0xc0,
104 /* data1 = type as in profile_buttons; data2 = action */
105 KOVAPLUS_MOUSE_REPORT_BUTTON_TYPE_MULTIMEDIA = 0xf0,
106};
107
108enum kovaplus_mouse_report_button_actions {
109 KOVAPLUS_MOUSE_REPORT_BUTTON_ACTION_PRESS = 0,
110 KOVAPLUS_MOUSE_REPORT_BUTTON_ACTION_RELEASE = 1,
111};
112
113struct kovaplus_roccat_report {
114 uint8_t type;
115 uint8_t profile;
116 uint8_t button;
117 uint8_t data1;
118 uint8_t data2;
119} __packed;
120
121struct kovaplus_device {
122 int actual_profile;
123 int actual_cpi;
124 int actual_x_sensitivity;
125 int actual_y_sensitivity;
126 int roccat_claimed;
127 int chrdev_minor;
128 struct mutex kovaplus_lock;
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129 struct kovaplus_profile_settings profile_settings[5];
130 struct kovaplus_profile_buttons profile_buttons[5];
131};
132
133#endif