root/drivers/hid/hid-roccat-kone.h

INCLUDED FROM

   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