xref: /openbmc/linux/drivers/hid/hid-roccat-kone.h (revision baa7eb025ab14f3cba2e35c0a8648f9c9f01d24f)
1 #ifndef __HID_ROCCAT_KONE_H
2 #define __HID_ROCCAT_KONE_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 
17 #pragma pack(push)
18 #pragma pack(1)
19 
20 struct kone_keystroke {
21 	uint8_t key;
22 	uint8_t action;
23 	uint16_t period; /* in milliseconds */
24 };
25 
26 enum kone_keystroke_buttons {
27 	kone_keystroke_button_1 = 0xf0, /* left mouse button */
28 	kone_keystroke_button_2 = 0xf1, /* right mouse button */
29 	kone_keystroke_button_3 = 0xf2, /* wheel */
30 	kone_keystroke_button_9 = 0xf3, /* side button up */
31 	kone_keystroke_button_8 = 0xf4 /* side button down */
32 };
33 
34 enum kone_keystroke_actions {
35 	kone_keystroke_action_press = 0,
36 	kone_keystroke_action_release = 1
37 };
38 
39 struct kone_button_info {
40 	uint8_t number; /* range 1-8 */
41 	uint8_t type;
42 	uint8_t macro_type; /* 0 = short, 1 = overlong */
43 	uint8_t macro_set_name[16]; /* can be max 15 chars long */
44 	uint8_t macro_name[16]; /* can be max 15 chars long */
45 	uint8_t count;
46 	struct kone_keystroke keystrokes[20];
47 };
48 
49 enum kone_button_info_types {
50 	/* valid button types until firmware 1.32 */
51 	kone_button_info_type_button_1 = 0x1, /* click (left mouse button) */
52 	kone_button_info_type_button_2 = 0x2, /* menu (right mouse button)*/
53 	kone_button_info_type_button_3 = 0x3, /* scroll (wheel) */
54 	kone_button_info_type_double_click = 0x4,
55 	kone_button_info_type_key = 0x5,
56 	kone_button_info_type_macro = 0x6,
57 	kone_button_info_type_off = 0x7,
58 	/* TODO clarify function and rename */
59 	kone_button_info_type_osd_xy_prescaling = 0x8,
60 	kone_button_info_type_osd_dpi = 0x9,
61 	kone_button_info_type_osd_profile = 0xa,
62 	kone_button_info_type_button_9 = 0xb, /* ie forward */
63 	kone_button_info_type_button_8 = 0xc, /* ie backward */
64 	kone_button_info_type_dpi_up = 0xd, /* internal */
65 	kone_button_info_type_dpi_down = 0xe, /* internal */
66 	kone_button_info_type_button_7 = 0xf, /* tilt left */
67 	kone_button_info_type_button_6 = 0x10, /* tilt right */
68 	kone_button_info_type_profile_up = 0x11, /* internal */
69 	kone_button_info_type_profile_down = 0x12, /* internal */
70 	/* additional valid button types since firmware 1.38 */
71 	kone_button_info_type_multimedia_open_player = 0x20,
72 	kone_button_info_type_multimedia_next_track = 0x21,
73 	kone_button_info_type_multimedia_prev_track = 0x22,
74 	kone_button_info_type_multimedia_play_pause = 0x23,
75 	kone_button_info_type_multimedia_stop = 0x24,
76 	kone_button_info_type_multimedia_mute = 0x25,
77 	kone_button_info_type_multimedia_volume_up = 0x26,
78 	kone_button_info_type_multimedia_volume_down = 0x27
79 };
80 
81 enum kone_button_info_numbers {
82 	kone_button_top = 1,
83 	kone_button_wheel_tilt_left = 2,
84 	kone_button_wheel_tilt_right = 3,
85 	kone_button_forward = 4,
86 	kone_button_backward = 5,
87 	kone_button_middle = 6,
88 	kone_button_plus = 7,
89 	kone_button_minus = 8,
90 };
91 
92 struct kone_light_info {
93 	uint8_t number; /* number of light 1-5 */
94 	uint8_t mod;   /* 1 = on, 2 = off */
95 	uint8_t red;   /* range 0x00-0xff */
96 	uint8_t green; /* range 0x00-0xff */
97 	uint8_t blue;  /* range 0x00-0xff */
98 };
99 
100 struct kone_profile {
101 	uint16_t size; /* always 975 */
102 	uint16_t unused; /* always 0 */
103 
104 	/*
105 	 * range 1-5
106 	 * This number does not need to correspond with location where profile
107 	 * saved
108 	 */
109 	uint8_t profile; /* range 1-5 */
110 
111 	uint16_t main_sensitivity; /* range 100-1000 */
112 	uint8_t xy_sensitivity_enabled; /* 1 = on, 2 = off */
113 	uint16_t x_sensitivity; /* range 100-1000 */
114 	uint16_t y_sensitivity; /* range 100-1000 */
115 	uint8_t dpi_rate; /* bit 1 = 800, ... */
116 	uint8_t startup_dpi; /* range 1-6 */
117 	uint8_t polling_rate; /* 1 = 125Hz, 2 = 500Hz, 3 = 1000Hz */
118 	/* kone has no dcu
119 	 * value is always 2 in firmwares <= 1.32 and
120 	 * 1 in firmwares > 1.32
121 	 */
122 	uint8_t dcu_flag;
123 	uint8_t light_effect_1; /* range 1-3 */
124 	uint8_t light_effect_2; /* range 1-5 */
125 	uint8_t light_effect_3; /* range 1-4 */
126 	uint8_t light_effect_speed; /* range 0-255 */
127 
128 	struct kone_light_info light_infos[5];
129 	/* offset is kone_button_info_numbers - 1 */
130 	struct kone_button_info button_infos[8];
131 
132 	uint16_t checksum; /* \brief holds checksum of struct */
133 };
134 
135 enum kone_polling_rates {
136 	kone_polling_rate_125 = 1,
137 	kone_polling_rate_500 = 2,
138 	kone_polling_rate_1000 = 3
139 };
140 
141 struct kone_settings {
142 	uint16_t size; /* always 36 */
143 	uint8_t  startup_profile; /* 1-5 */
144 	uint8_t	 unknown1;
145 	uint8_t  tcu; /* 0 = off, 1 = on */
146 	uint8_t  unknown2[23];
147 	uint8_t  calibration_data[4];
148 	uint8_t  unknown3[2];
149 	uint16_t checksum;
150 };
151 
152 /*
153  * 12 byte mouse event read by interrupt_read
154  */
155 struct kone_mouse_event {
156 	uint8_t report_number; /* always 1 */
157 	uint8_t button;
158 	uint16_t x;
159 	uint16_t y;
160 	uint8_t wheel; /* up = 1, down = -1 */
161 	uint8_t tilt; /* right = 1, left = -1 */
162 	uint8_t unknown;
163 	uint8_t event;
164 	uint8_t value; /* press = 0, release = 1 */
165 	uint8_t macro_key; /* 0 to 8 */
166 };
167 
168 enum kone_mouse_events {
169 	/* osd events are thought to be display on screen */
170 	kone_mouse_event_osd_dpi = 0xa0,
171 	kone_mouse_event_osd_profile = 0xb0,
172 	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
173 	kone_mouse_event_calibration = 0xc0,
174 	kone_mouse_event_call_overlong_macro = 0xe0,
175 	/* switch events notify if user changed values with mousebutton click */
176 	kone_mouse_event_switch_dpi = 0xf0,
177 	kone_mouse_event_switch_profile = 0xf1
178 };
179 
180 enum kone_commands {
181 	kone_command_profile = 0x5a,
182 	kone_command_settings = 0x15a,
183 	kone_command_firmware_version = 0x25a,
184 	kone_command_weight = 0x45a,
185 	kone_command_calibrate = 0x55a,
186 	kone_command_confirm_write = 0x65a,
187 	kone_command_firmware = 0xe5a
188 };
189 
190 struct kone_roccat_report {
191 	uint8_t event;
192 	uint8_t value; /* holds dpi or profile value */
193 	uint8_t key; /* macro key on overlong macro execution */
194 };
195 
196 #pragma pack(pop)
197 
198 struct kone_device {
199 	/*
200 	 * Storing actual values when we get informed about changes since there
201 	 * is no way of getting this information from the device on demand
202 	 */
203 	int actual_profile, actual_dpi;
204 	/* Used for neutralizing abnormal button behaviour */
205 	struct kone_mouse_event last_mouse_event;
206 
207 	/*
208 	 * It's unlikely that multiple sysfs attributes are accessed at a time,
209 	 * so only one mutex is used to secure hardware access and profiles and
210 	 * settings of this struct.
211 	 */
212 	struct mutex kone_lock;
213 
214 	/*
215 	 * Storing the data here reduces IO and ensures that data is available
216 	 * when its needed (E.g. interrupt handler).
217 	 */
218 	struct kone_profile profiles[5];
219 	struct kone_settings settings;
220 
221 	/*
222 	 * firmware doesn't change unless firmware update is implemented,
223 	 * so it's read only once
224 	 */
225 	int firmware_version;
226 
227 	int roccat_claimed;
228 	int chrdev_minor;
229 };
230 
231 #endif
232