cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hid-roccat-kone.h (6811B)


      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
     14struct kone_keystroke {
     15	uint8_t key;
     16	uint8_t action;
     17	uint16_t period; /* in milliseconds */
     18} __attribute__ ((__packed__));
     19
     20enum 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
     28enum kone_keystroke_actions {
     29	kone_keystroke_action_press = 0,
     30	kone_keystroke_action_release = 1
     31};
     32
     33struct 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
     43enum 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
     75enum 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
     86struct 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
     94struct 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
    129enum kone_polling_rates {
    130	kone_polling_rate_125 = 1,
    131	kone_polling_rate_500 = 2,
    132	kone_polling_rate_1000 = 3
    133};
    134
    135struct 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 */
    149struct 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
    164enum 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
    177enum 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
    187struct 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
    193struct 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