LXR linux/drivers/hid/hid-roccat-arvo.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2#ifndef __HID_ROCCAT_ARVO_H
   3#define __HID_ROCCAT_ARVO_H
   4
   5/*
   6 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
   7 */
   8
   9/*
  10 */
  11
  12#include <linux/types.h>
  13
  14struct arvo_mode_key { /* 2 bytes */
  15        uint8_t command; /* ARVO_COMMAND_MODE_KEY */
  16        uint8_t state;
  17} __packed;
  18
  19struct arvo_button {
  20        uint8_t unknown[24];
  21} __packed;
  22
  23struct arvo_info {
  24        uint8_t unknown[8];
  25} __packed;
  26
  27struct arvo_key_mask { /* 2 bytes */
  28        uint8_t command; /* ARVO_COMMAND_KEY_MASK */
  29        uint8_t key_mask;
  30} __packed;
  31
  32/* selected profile is persistent */
  33struct arvo_actual_profile { /* 2 bytes */
  34        uint8_t command; /* ARVO_COMMAND_ACTUAL_PROFILE */
  35        uint8_t actual_profile;
  36} __packed;
  37
  38enum arvo_commands {
  39        ARVO_COMMAND_MODE_KEY = 0x3,
  40        ARVO_COMMAND_BUTTON = 0x4,
  41        ARVO_COMMAND_INFO = 0x5,
  42        ARVO_COMMAND_KEY_MASK = 0x6,
  43        ARVO_COMMAND_ACTUAL_PROFILE = 0x7,
  44};
  45
  46struct arvo_special_report {
  47        uint8_t unknown1; /* always 0x01 */
  48        uint8_t event;
  49        uint8_t unknown2; /* always 0x70 */
  50} __packed;
  51
  52enum arvo_special_report_events {
  53        ARVO_SPECIAL_REPORT_EVENT_ACTION_PRESS = 0x10,
  54        ARVO_SPECIAL_REPORT_EVENT_ACTION_RELEASE = 0x0,
  55};
  56
  57enum arvo_special_report_event_masks {
  58        ARVO_SPECIAL_REPORT_EVENT_MASK_ACTION = 0xf0,
  59        ARVO_SPECIAL_REPORT_EVENT_MASK_BUTTON = 0x0f,
  60};
  61
  62struct arvo_roccat_report {
  63        uint8_t profile;
  64        uint8_t button;
  65        uint8_t action;
  66} __packed;
  67
  68enum arvo_roccat_report_action {
  69        ARVO_ROCCAT_REPORT_ACTION_RELEASE = 0,
  70        ARVO_ROCCAT_REPORT_ACTION_PRESS = 1,
  71};
  72
  73struct arvo_device {
  74        int roccat_claimed;
  75        int chrdev_minor;
  76
  77        struct mutex arvo_lock;
  78
  79        int actual_profile;
  80};
  81
  82#endif
  83