xref: /openbmc/linux/drivers/hid/hid-roccat-kone.h (revision 4f6cce39)
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 struct kone_keystroke {
18 	uint8_t key;
19 	uint8_t action;
20 	uint16_t period; /* in milliseconds */
21 } __attribute__ ((__packed__));
22 
23 enum kone_keystroke_buttons {
24 	kone_keystroke_button_1 = 0xf0, /* left mouse button */
25 	kone_keystroke_button_2 = 0xf1, /* right mouse button */
26 	kone_keystroke_button_3 = 0xf2, /* wheel */
27 	kone_keystroke_button_9 = 0xf3, /* side button up */
28 	kone_keystroke_button_8 = 0xf4 /* side button down */
29 };
30 
31 enum kone_keystroke_actions {
32 	kone_keystroke_action_press = 0,
33 	kone_keystroke_action_release = 1
34 };
35 
36 struct kone_button_info {
37 	uint8_t number; /* range 1-8 */
38 	uint8_t type;
39 	uint8_t macro_type; /* 0 = short, 1 = overlong */
40 	uint8_t macro_set_name[16]; /* can be max 15 chars long */
41 	uint8_t macro_name[16]; /* can be max 15 chars long */
42 	uint8_t count;
43 	struct kone_keystroke keystrokes[20];
44 } __attribute__ ((__packed__));
45 
46 enum kone_button_info_types {
47 	/* valid button types until firmware 1.32 */
48 	kone_button_info_type_button_1 = 0x1, /* click (left mouse button) */
49 	kone_button_info_type_button_2 = 0x2, /* menu (right mouse button)*/
50 	kone_button_info_type_button_3 = 0x3, /* scroll (wheel) */
51 	kone_button_info_type_double_click = 0x4,
52 	kone_button_info_type_key = 0x5,
53 	kone_button_info_type_macro = 0x6,
54 	kone_button_info_type_off = 0x7,
55 	/* TODO clarify function and rename */
56 	kone_button_info_type_osd_xy_prescaling = 0x8,
57 	kone_button_info_type_osd_dpi = 0x9,
58 	kone_button_info_type_osd_profile = 0xa,
59 	kone_button_info_type_button_9 = 0xb, /* ie forward */
60 	kone_button_info_type_button_8 = 0xc, /* ie backward */
61 	kone_button_info_type_dpi_up = 0xd, /* internal */
62 	kone_button_info_type_dpi_down = 0xe, /* internal */
63 	kone_button_info_type_button_7 = 0xf, /* tilt left */
64 	kone_button_info_type_button_6 = 0x10, /* tilt right */
65 	kone_button_info_type_profile_up = 0x11, /* internal */
66 	kone_button_info_type_profile_down = 0x12, /* internal */
67 	/* additional valid button types since firmware 1.38 */
68 	kone_button_info_type_multimedia_open_player = 0x20,
69 	kone_button_info_type_multimedia_next_track = 0x21,
70 	kone_button_info_type_multimedia_prev_track = 0x22,
71 	kone_button_info_type_multimedia_play_pause = 0x23,
72 	kone_button_info_type_multimedia_stop = 0x24,
73 	kone_button_info_type_multimedia_mute = 0x25,
74 	kone_button_info_type_multimedia_volume_up = 0x26,
75 	kone_button_info_type_multimedia_volume_down = 0x27
76 };
77 
78 enum kone_button_info_numbers {
79 	kone_button_top = 1,
80 	kone_button_wheel_tilt_left = 2,
81 	kone_button_wheel_tilt_right = 3,
82 	kone_button_forward = 4,
83 	kone_button_backward = 5,
84 	kone_button_middle = 6,
85 	kone_button_plus = 7,
86 	kone_button_minus = 8,
87 };
88 
89 struct kone_light_info {
90 	uint8_t number; /* number of light 1-5 */
91 	uint8_t mod;   /* 1 = on, 2 = off */
92 	uint8_t red;   /* range 0x00-0xff */
93 	uint8_t green; /* range 0x00-0xff */
94 	uint8_t blue;  /* range 0x00-0xff */
95 } __attribute__ ((__packed__));
96 
97 struct kone_profile {
98 	uint16_t size; /* always 975 */
99 	uint16_t unused; /* always 0 */
100 
101 	/*
102 	 * range 1-5
103 	 * This number does not need to correspond with location where profile
104 	 * saved
105 	 */
106 	uint8_t profile; /* range 1-5 */
107 
108 	uint16_t main_sensitivity; /* range 100-1000 */
109 	uint8_t xy_sensitivity_enabled; /* 1 = on, 2 = off */
110 	uint16_t x_sensitivity; /* range 100-1000 */
111 	uint16_t y_sensitivity; /* range 100-1000 */
112 	uint8_t dpi_rate; /* bit 1 = 800, ... */
113 	uint8_t startup_dpi; /* range 1-6 */
114 	uint8_t polling_rate; /* 1 = 125Hz, 2 = 500Hz, 3 = 1000Hz */
115 	/* kone has no dcu
116 	 * value is always 2 in firmwares <= 1.32 and
117 	 * 1 in firmwares > 1.32
118 	 */
119 	uint8_t dcu_flag;
120 	uint8_t light_effect_1; /* range 1-3 */
121 	uint8_t light_effect_2; /* range 1-5 */
122 	uint8_t light_effect_3; /* range 1-4 */
123 	uint8_t light_effect_speed; /* range 0-255 */
124 
125 	struct kone_light_info light_infos[5];
126 	/* offset is kone_button_info_numbers - 1 */
127 	struct kone_button_info button_infos[8];
128 
129 	uint16_t checksum; /* \brief holds checksum of struct */
130 } __attribute__ ((__packed__));
131 
132 enum kone_polling_rates {
133 	kone_polling_rate_125 = 1,
134 	kone_polling_rate_500 = 2,
135 	kone_polling_rate_1000 = 3
136 };
137 
138 struct kone_settings {
139 	uint16_t size; /* always 36 */
140 	uint8_t  startup_profile; /* 1-5 */
141 	uint8_t	 unknown1;
142 	uint8_t  tcu; /* 0 = off, 1 = on */
143 	uint8_t  unknown2[23];
144 	uint8_t  calibration_data[4];
145 	uint8_t  unknown3[2];
146 	uint16_t checksum;
147 } __attribute__ ((__packed__));
148 
149 /*
150  * 12 byte mouse event read by interrupt_read
151  */
152 struct kone_mouse_event {
153 	uint8_t report_number; /* always 1 */
154 	uint8_t button;
155 	uint16_t x;
156 	uint16_t y;
157 	uint8_t wheel; /* up = 1, down = -1 */
158 	uint8_t tilt; /* right = 1, left = -1 */
159 	uint8_t unknown;
160 	uint8_t event;
161 	uint8_t value; /* press = 0, release = 1 */
162 	uint8_t macro_key; /* 0 to 8 */
163 } __attribute__ ((__packed__));
164 
165 enum kone_mouse_events {
166 	/* osd events are thought to be display on screen */
167 	kone_mouse_event_osd_dpi = 0xa0,
168 	kone_mouse_event_osd_profile = 0xb0,
169 	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
170 	kone_mouse_event_calibration = 0xc0,
171 	kone_mouse_event_call_overlong_macro = 0xe0,
172 	kone_mouse_event_multimedia = 0xe1,
173 	/* switch events notify if user changed values with mousebutton click */
174 	kone_mouse_event_switch_dpi = 0xf0,
175 	kone_mouse_event_switch_profile = 0xf1
176 };
177 
178 enum kone_commands {
179 	kone_command_profile = 0x5a,
180 	kone_command_settings = 0x15a,
181 	kone_command_firmware_version = 0x25a,
182 	kone_command_weight = 0x45a,
183 	kone_command_calibrate = 0x55a,
184 	kone_command_confirm_write = 0x65a,
185 	kone_command_firmware = 0xe5a
186 };
187 
188 struct kone_roccat_report {
189 	uint8_t event;
190 	uint8_t value; /* holds dpi or profile value */
191 	uint8_t key; /* macro key on overlong macro execution */
192 } __attribute__ ((__packed__));
193 
194 struct kone_device {
195 	/*
196 	 * Storing actual values when we get informed about changes since there
197 	 * is no way of getting this information from the device on demand
198 	 */
199 	int actual_profile, actual_dpi;
200 	/* Used for neutralizing abnormal button behaviour */
201 	struct kone_mouse_event last_mouse_event;
202 
203 	/*
204 	 * It's unlikely that multiple sysfs attributes are accessed at a time,
205 	 * so only one mutex is used to secure hardware access and profiles and
206 	 * settings of this struct.
207 	 */
208 	struct mutex kone_lock;
209 
210 	/*
211 	 * Storing the data here reduces IO and ensures that data is available
212 	 * when its needed (E.g. interrupt handler).
213 	 */
214 	struct kone_profile profiles[5];
215 	struct kone_settings settings;
216 
217 	/*
218 	 * firmware doesn't change unless firmware update is implemented,
219 	 * so it's read only once
220 	 */
221 	int firmware_version;
222 
223 	int roccat_claimed;
224 	int chrdev_minor;
225 };
226 
227 #endif
228