xref: /openbmc/linux/drivers/hid/hid-roccat-kone.h (revision 0e96cf7f)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef __HID_ROCCAT_KONE_H
3 #define __HID_ROCCAT_KONE_H
4 
5 /*
6  * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
7  */
8 
9 /*
10  */
11 
12 #include <linux/types.h>
13 
14 struct kone_keystroke {
15 	uint8_t key;
16 	uint8_t action;
17 	uint16_t period; /* in milliseconds */
18 } __attribute__ ((__packed__));
19 
20 enum kone_keystroke_buttons {
21 	kone_keystroke_button_1 = 0xf0, /* left mouse button */
22 	kone_keystroke_button_2 = 0xf1, /* right mouse button */
23 	kone_keystroke_button_3 = 0xf2, /* wheel */
24 	kone_keystroke_button_9 = 0xf3, /* side button up */
25 	kone_keystroke_button_8 = 0xf4 /* side button down */
26 };
27 
28 enum kone_keystroke_actions {
29 	kone_keystroke_action_press = 0,
30 	kone_keystroke_action_release = 1
31 };
32 
33 struct kone_button_info {
34 	uint8_t number; /* range 1-8 */
35 	uint8_t type;
36 	uint8_t macro_type; /* 0 = short, 1 = overlong */
37 	uint8_t macro_set_name[16]; /* can be max 15 chars long */
38 	uint8_t macro_name[16]; /* can be max 15 chars long */
39 	uint8_t count;
40 	struct kone_keystroke keystrokes[20];
41 } __attribute__ ((__packed__));
42 
43 enum kone_button_info_types {
44 	/* valid button types until firmware 1.32 */
45 	kone_button_info_type_button_1 = 0x1, /* click (left mouse button) */
46 	kone_button_info_type_button_2 = 0x2, /* menu (right mouse button)*/
47 	kone_button_info_type_button_3 = 0x3, /* scroll (wheel) */
48 	kone_button_info_type_double_click = 0x4,
49 	kone_button_info_type_key = 0x5,
50 	kone_button_info_type_macro = 0x6,
51 	kone_button_info_type_off = 0x7,
52 	/* TODO clarify function and rename */
53 	kone_button_info_type_osd_xy_prescaling = 0x8,
54 	kone_button_info_type_osd_dpi = 0x9,
55 	kone_button_info_type_osd_profile = 0xa,
56 	kone_button_info_type_button_9 = 0xb, /* ie forward */
57 	kone_button_info_type_button_8 = 0xc, /* ie backward */
58 	kone_button_info_type_dpi_up = 0xd, /* internal */
59 	kone_button_info_type_dpi_down = 0xe, /* internal */
60 	kone_button_info_type_button_7 = 0xf, /* tilt left */
61 	kone_button_info_type_button_6 = 0x10, /* tilt right */
62 	kone_button_info_type_profile_up = 0x11, /* internal */
63 	kone_button_info_type_profile_down = 0x12, /* internal */
64 	/* additional valid button types since firmware 1.38 */
65 	kone_button_info_type_multimedia_open_player = 0x20,
66 	kone_button_info_type_multimedia_next_track = 0x21,
67 	kone_button_info_type_multimedia_prev_track = 0x22,
68 	kone_button_info_type_multimedia_play_pause = 0x23,
69 	kone_button_info_type_multimedia_stop = 0x24,
70 	kone_button_info_type_multimedia_mute = 0x25,
71 	kone_button_info_type_multimedia_volume_up = 0x26,
72 	kone_button_info_type_multimedia_volume_down = 0x27
73 };
74 
75 enum kone_button_info_numbers {
76 	kone_button_top = 1,
77 	kone_button_wheel_tilt_left = 2,
78 	kone_button_wheel_tilt_right = 3,
79 	kone_button_forward = 4,
80 	kone_button_backward = 5,
81 	kone_button_middle = 6,
82 	kone_button_plus = 7,
83 	kone_button_minus = 8,
84 };
85 
86 struct kone_light_info {
87 	uint8_t number; /* number of light 1-5 */
88 	uint8_t mod;   /* 1 = on, 2 = off */
89 	uint8_t red;   /* range 0x00-0xff */
90 	uint8_t green; /* range 0x00-0xff */
91 	uint8_t blue;  /* range 0x00-0xff */
92 } __attribute__ ((__packed__));
93 
94 struct kone_profile {
95 	uint16_t size; /* always 975 */
96 	uint16_t unused; /* always 0 */
97 
98 	/*
99 	 * range 1-5
100 	 * This number does not need to correspond with location where profile
101 	 * saved
102 	 */
103 	uint8_t profile; /* range 1-5 */
104 
105 	uint16_t main_sensitivity; /* range 100-1000 */
106 	uint8_t xy_sensitivity_enabled; /* 1 = on, 2 = off */
107 	uint16_t x_sensitivity; /* range 100-1000 */
108 	uint16_t y_sensitivity; /* range 100-1000 */
109 	uint8_t dpi_rate; /* bit 1 = 800, ... */
110 	uint8_t startup_dpi; /* range 1-6 */
111 	uint8_t polling_rate; /* 1 = 125Hz, 2 = 500Hz, 3 = 1000Hz */
112 	/* kone has no dcu
113 	 * value is always 2 in firmwares <= 1.32 and
114 	 * 1 in firmwares > 1.32
115 	 */
116 	uint8_t dcu_flag;
117 	uint8_t light_effect_1; /* range 1-3 */
118 	uint8_t light_effect_2; /* range 1-5 */
119 	uint8_t light_effect_3; /* range 1-4 */
120 	uint8_t light_effect_speed; /* range 0-255 */
121 
122 	struct kone_light_info light_infos[5];
123 	/* offset is kone_button_info_numbers - 1 */
124 	struct kone_button_info button_infos[8];
125 
126 	uint16_t checksum; /* \brief holds checksum of struct */
127 } __attribute__ ((__packed__));
128 
129 enum kone_polling_rates {
130 	kone_polling_rate_125 = 1,
131 	kone_polling_rate_500 = 2,
132 	kone_polling_rate_1000 = 3
133 };
134 
135 struct kone_settings {
136 	uint16_t size; /* always 36 */
137 	uint8_t  startup_profile; /* 1-5 */
138 	uint8_t	 unknown1;
139 	uint8_t  tcu; /* 0 = off, 1 = on */
140 	uint8_t  unknown2[23];
141 	uint8_t  calibration_data[4];
142 	uint8_t  unknown3[2];
143 	uint16_t checksum;
144 } __attribute__ ((__packed__));
145 
146 /*
147  * 12 byte mouse event read by interrupt_read
148  */
149 struct kone_mouse_event {
150 	uint8_t report_number; /* always 1 */
151 	uint8_t button;
152 	uint16_t x;
153 	uint16_t y;
154 	uint8_t wheel; /* up = 1, down = -1 */
155 	uint8_t tilt; /* right = 1, left = -1 */
156 	uint8_t unknown;
157 	uint8_t event;
158 	uint8_t value; /* press = 0, release = 1 */
159 	uint8_t macro_key; /* 0 to 8 */
160 } __attribute__ ((__packed__));
161 
162 enum kone_mouse_events {
163 	/* osd events are thought to be display on screen */
164 	kone_mouse_event_osd_dpi = 0xa0,
165 	kone_mouse_event_osd_profile = 0xb0,
166 	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
167 	kone_mouse_event_calibration = 0xc0,
168 	kone_mouse_event_call_overlong_macro = 0xe0,
169 	kone_mouse_event_multimedia = 0xe1,
170 	/* switch events notify if user changed values with mousebutton click */
171 	kone_mouse_event_switch_dpi = 0xf0,
172 	kone_mouse_event_switch_profile = 0xf1
173 };
174 
175 enum kone_commands {
176 	kone_command_profile = 0x5a,
177 	kone_command_settings = 0x15a,
178 	kone_command_firmware_version = 0x25a,
179 	kone_command_weight = 0x45a,
180 	kone_command_calibrate = 0x55a,
181 	kone_command_confirm_write = 0x65a,
182 	kone_command_firmware = 0xe5a
183 };
184 
185 struct kone_roccat_report {
186 	uint8_t event;
187 	uint8_t value; /* holds dpi or profile value */
188 	uint8_t key; /* macro key on overlong macro execution */
189 } __attribute__ ((__packed__));
190 
191 struct kone_device {
192 	/*
193 	 * Storing actual values when we get informed about changes since there
194 	 * is no way of getting this information from the device on demand
195 	 */
196 	int actual_profile, actual_dpi;
197 	/* Used for neutralizing abnormal button behaviour */
198 	struct kone_mouse_event last_mouse_event;
199 
200 	/*
201 	 * It's unlikely that multiple sysfs attributes are accessed at a time,
202 	 * so only one mutex is used to secure hardware access and profiles and
203 	 * settings of this struct.
204 	 */
205 	struct mutex kone_lock;
206 
207 	/*
208 	 * Storing the data here reduces IO and ensures that data is available
209 	 * when its needed (E.g. interrupt handler).
210 	 */
211 	struct kone_profile profiles[5];
212 	struct kone_settings settings;
213 
214 	/*
215 	 * firmware doesn't change unless firmware update is implemented,
216 	 * so it's read only once
217 	 */
218 	int firmware_version;
219 
220 	int roccat_claimed;
221 	int chrdev_minor;
222 };
223 
224 #endif
225