xref: /linux/drivers/hid/hid-roccat-kone.h (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
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  	struct_group(wipe,
156  		uint8_t tilt; /* right = 1, left = -1 */
157  		uint8_t unknown;
158  		uint8_t event;
159  		uint8_t value; /* press = 0, release = 1 */
160  		uint8_t macro_key; /* 0 to 8 */
161  	);
162  } __attribute__ ((__packed__));
163  
164  enum kone_mouse_events {
165  	/* osd events are thought to be display on screen */
166  	kone_mouse_event_osd_dpi = 0xa0,
167  	kone_mouse_event_osd_profile = 0xb0,
168  	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
169  	kone_mouse_event_calibration = 0xc0,
170  	kone_mouse_event_call_overlong_macro = 0xe0,
171  	kone_mouse_event_multimedia = 0xe1,
172  	/* switch events notify if user changed values with mousebutton click */
173  	kone_mouse_event_switch_dpi = 0xf0,
174  	kone_mouse_event_switch_profile = 0xf1
175  };
176  
177  enum kone_commands {
178  	kone_command_profile = 0x5a,
179  	kone_command_settings = 0x15a,
180  	kone_command_firmware_version = 0x25a,
181  	kone_command_weight = 0x45a,
182  	kone_command_calibrate = 0x55a,
183  	kone_command_confirm_write = 0x65a,
184  	kone_command_firmware = 0xe5a
185  };
186  
187  struct kone_roccat_report {
188  	uint8_t event;
189  	uint8_t value; /* holds dpi or profile value */
190  	uint8_t key; /* macro key on overlong macro execution */
191  } __attribute__ ((__packed__));
192  
193  struct kone_device {
194  	/*
195  	 * Storing actual values when we get informed about changes since there
196  	 * is no way of getting this information from the device on demand
197  	 */
198  	int actual_profile, actual_dpi;
199  	/* Used for neutralizing abnormal button behaviour */
200  	struct kone_mouse_event last_mouse_event;
201  
202  	/*
203  	 * It's unlikely that multiple sysfs attributes are accessed at a time,
204  	 * so only one mutex is used to secure hardware access and profiles and
205  	 * settings of this struct.
206  	 */
207  	struct mutex kone_lock;
208  
209  	/*
210  	 * Storing the data here reduces IO and ensures that data is available
211  	 * when its needed (E.g. interrupt handler).
212  	 */
213  	struct kone_profile profiles[5];
214  	struct kone_settings settings;
215  
216  	/*
217  	 * firmware doesn't change unless firmware update is implemented,
218  	 * so it's read only once
219  	 */
220  	int firmware_version;
221  
222  	int roccat_claimed;
223  	int chrdev_minor;
224  };
225  
226  #endif
227