// SPDX-License-Identifier: GPL-2.0-or-later /* * HID driver for Corsair devices * * Supported devices: * - Vengeance K70 Keyboard * - K70 RAPIDFIRE Keyboard * - Vengeance K90 Keyboard * - Scimitar PRO RGB Gaming Mouse * * Copyright (c) 2015 Clement Vuchener * Copyright (c) 2017 Oscar Campos * Copyright (c) 2017 Aaron Bottegal */ /* */ #include <linux/hid.h> #include <linux/module.h> #include <linux/usb.h> #include <linux/leds.h> #include "hid-ids.h" #define CORSAIR_USE_K90_MACRO … #define CORSAIR_USE_K90_BACKLIGHT … struct k90_led { … }; struct k90_drvdata { … }; struct corsair_drvdata { … }; #define K90_GKEY_COUNT … static int corsair_usage_to_gkey(unsigned int usage) { … } static unsigned short corsair_gkey_map[K90_GKEY_COUNT] = …; module_param_array_named(…); MODULE_PARM_DESC(…) …; static unsigned short corsair_record_keycodes[2] = …; module_param_array_named(…); MODULE_PARM_DESC(…) …; static unsigned short corsair_profile_keycodes[3] = …; module_param_array_named(…); MODULE_PARM_DESC(…) …; #define CORSAIR_USAGE_SPECIAL_MIN … #define CORSAIR_USAGE_SPECIAL_MAX … #define CORSAIR_USAGE_MACRO_RECORD_START … #define CORSAIR_USAGE_MACRO_RECORD_STOP … #define CORSAIR_USAGE_PROFILE … #define CORSAIR_USAGE_M1 … #define CORSAIR_USAGE_M2 … #define CORSAIR_USAGE_M3 … #define CORSAIR_USAGE_PROFILE_MAX … #define CORSAIR_USAGE_META_OFF … #define CORSAIR_USAGE_META_ON … #define CORSAIR_USAGE_LIGHT … #define CORSAIR_USAGE_LIGHT_OFF … #define CORSAIR_USAGE_LIGHT_DIM … #define CORSAIR_USAGE_LIGHT_MEDIUM … #define CORSAIR_USAGE_LIGHT_BRIGHT … #define CORSAIR_USAGE_LIGHT_MAX … /* USB control protocol */ #define K90_REQUEST_BRIGHTNESS … #define K90_REQUEST_MACRO_MODE … #define K90_REQUEST_STATUS … #define K90_REQUEST_GET_MODE … #define K90_REQUEST_PROFILE … #define K90_MACRO_MODE_SW … #define K90_MACRO_MODE_HW … #define K90_MACRO_LED_ON … #define K90_MACRO_LED_OFF … /* * LED class devices */ #define K90_BACKLIGHT_LED_SUFFIX … #define K90_RECORD_LED_SUFFIX … static enum led_brightness k90_backlight_get(struct led_classdev *led_cdev) { … } static enum led_brightness k90_record_led_get(struct led_classdev *led_cdev) { … } static void k90_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { … } static void k90_backlight_work(struct work_struct *work) { … } static void k90_record_led_work(struct work_struct *work) { … } /* * Keyboard attributes */ static ssize_t k90_show_macro_mode(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t k90_store_macro_mode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t k90_show_current_profile(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t k90_store_current_profile(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR(macro_mode, 0644, k90_show_macro_mode, k90_store_macro_mode); static DEVICE_ATTR(current_profile, 0644, k90_show_current_profile, k90_store_current_profile); static struct attribute *k90_attrs[] = …; static const struct attribute_group k90_attr_group = …; /* * Driver functions */ static int k90_init_backlight(struct hid_device *dev) { … } static int k90_init_macro_functions(struct hid_device *dev) { … } static void k90_cleanup_backlight(struct hid_device *dev) { … } static void k90_cleanup_macro_functions(struct hid_device *dev) { … } static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id) { … } static void corsair_remove(struct hid_device *dev) { … } static int corsair_event(struct hid_device *dev, struct hid_field *field, struct hid_usage *usage, __s32 value) { … } static int corsair_input_mapping(struct hid_device *dev, struct hid_input *input, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } /* * The report descriptor of some of the Corsair gaming mice is * non parseable as they define two consecutive Logical Minimum for * the Usage Page (Consumer) in rdescs bytes 75 and 77 being 77 0x16 * that should be obviousy 0x26 for Logical Magimum of 16 bits. This * prevents poper parsing of the report descriptor due Logical * Minimum being larger than Logical Maximum. * * This driver fixes the report descriptor for: * - USB ID 1b1c:1b34, sold as GLAIVE RGB Gaming mouse * - USB ID 1b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse */ static __u8 *corsair_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { … } static const struct hid_device_id corsair_devices[] = …; MODULE_DEVICE_TABLE(hid, corsair_devices); static struct hid_driver corsair_driver = …; module_hid_driver(…) …; MODULE_LICENSE(…) …; /* Original K90 driver author */ MODULE_AUTHOR(…) …; /* Scimitar PRO RGB driver author */ MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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